xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 26cfd12b)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16 #include <linux/blk-mq-pci.h>
17 #include <linux/refcount.h>
18 
19 #include <scsi/scsi_tcq.h>
20 #include <scsi/scsicam.h>
21 #include <scsi/scsi_transport.h>
22 #include <scsi/scsi_transport_fc.h>
23 
24 #include "qla_target.h"
25 
26 /*
27  * Driver version
28  */
29 char qla2x00_version_str[40];
30 
31 static int apidev_major;
32 
33 /*
34  * SRB allocation cache
35  */
36 struct kmem_cache *srb_cachep;
37 
38 int ql2xfulldump_on_mpifail;
39 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
40 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
41 		 "Set this to take full dump on MPI hang.");
42 
43 /*
44  * CT6 CTX allocation cache
45  */
46 static struct kmem_cache *ctx_cachep;
47 /*
48  * error level for logging
49  */
50 uint ql_errlev = 0x8001;
51 
52 static int ql2xenableclass2;
53 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
54 MODULE_PARM_DESC(ql2xenableclass2,
55 		"Specify if Class 2 operations are supported from the very "
56 		"beginning. Default is 0 - class 2 not supported.");
57 
58 
59 int ql2xlogintimeout = 20;
60 module_param(ql2xlogintimeout, int, S_IRUGO);
61 MODULE_PARM_DESC(ql2xlogintimeout,
62 		"Login timeout value in seconds.");
63 
64 int qlport_down_retry;
65 module_param(qlport_down_retry, int, S_IRUGO);
66 MODULE_PARM_DESC(qlport_down_retry,
67 		"Maximum number of command retries to a port that returns "
68 		"a PORT-DOWN status.");
69 
70 int ql2xplogiabsentdevice;
71 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
72 MODULE_PARM_DESC(ql2xplogiabsentdevice,
73 		"Option to enable PLOGI to devices that are not present after "
74 		"a Fabric scan.  This is needed for several broken switches. "
75 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
76 
77 int ql2xloginretrycount;
78 module_param(ql2xloginretrycount, int, S_IRUGO);
79 MODULE_PARM_DESC(ql2xloginretrycount,
80 		"Specify an alternate value for the NVRAM login retry count.");
81 
82 int ql2xallocfwdump = 1;
83 module_param(ql2xallocfwdump, int, S_IRUGO);
84 MODULE_PARM_DESC(ql2xallocfwdump,
85 		"Option to enable allocation of memory for a firmware dump "
86 		"during HBA initialization.  Memory allocation requirements "
87 		"vary by ISP type.  Default is 1 - allocate memory.");
88 
89 int ql2xextended_error_logging;
90 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
91 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
92 MODULE_PARM_DESC(ql2xextended_error_logging,
93 		"Option to enable extended error logging,\n"
94 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
95 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
96 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
97 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
98 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
99 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
100 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
101 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
102 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
103 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
104 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
105 		"\t\t0x1e400000 - Preferred value for capturing essential "
106 		"debug information (equivalent to old "
107 		"ql2xextended_error_logging=1).\n"
108 		"\t\tDo LOGICAL OR of the value to enable more than one level");
109 
110 int ql2xshiftctondsd = 6;
111 module_param(ql2xshiftctondsd, int, S_IRUGO);
112 MODULE_PARM_DESC(ql2xshiftctondsd,
113 		"Set to control shifting of command type processing "
114 		"based on total number of SG elements.");
115 
116 int ql2xfdmienable = 1;
117 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
118 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
119 MODULE_PARM_DESC(ql2xfdmienable,
120 		"Enables FDMI registrations. "
121 		"0 - no FDMI registrations. "
122 		"1 - provide FDMI registrations (default).");
123 
124 #define MAX_Q_DEPTH	64
125 static int ql2xmaxqdepth = MAX_Q_DEPTH;
126 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
127 MODULE_PARM_DESC(ql2xmaxqdepth,
128 		"Maximum queue depth to set for each LUN. "
129 		"Default is 64.");
130 
131 int ql2xenabledif = 2;
132 module_param(ql2xenabledif, int, S_IRUGO);
133 MODULE_PARM_DESC(ql2xenabledif,
134 		" Enable T10-CRC-DIF:\n"
135 		" Default is 2.\n"
136 		"  0 -- No DIF Support\n"
137 		"  1 -- Enable DIF for all types\n"
138 		"  2 -- Enable DIF for all types, except Type 0.\n");
139 
140 #if (IS_ENABLED(CONFIG_NVME_FC))
141 int ql2xnvmeenable = 1;
142 #else
143 int ql2xnvmeenable;
144 #endif
145 module_param(ql2xnvmeenable, int, 0644);
146 MODULE_PARM_DESC(ql2xnvmeenable,
147     "Enables NVME support. "
148     "0 - no NVMe.  Default is Y");
149 
150 int ql2xenablehba_err_chk = 2;
151 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
152 MODULE_PARM_DESC(ql2xenablehba_err_chk,
153 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
154 		" Default is 2.\n"
155 		"  0 -- Error isolation disabled\n"
156 		"  1 -- Error isolation enabled only for DIX Type 0\n"
157 		"  2 -- Error isolation enabled for all Types\n");
158 
159 int ql2xiidmaenable = 1;
160 module_param(ql2xiidmaenable, int, S_IRUGO);
161 MODULE_PARM_DESC(ql2xiidmaenable,
162 		"Enables iIDMA settings "
163 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
164 
165 int ql2xmqsupport = 1;
166 module_param(ql2xmqsupport, int, S_IRUGO);
167 MODULE_PARM_DESC(ql2xmqsupport,
168 		"Enable on demand multiple queue pairs support "
169 		"Default is 1 for supported. "
170 		"Set it to 0 to turn off mq qpair support.");
171 
172 int ql2xfwloadbin;
173 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
174 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
175 MODULE_PARM_DESC(ql2xfwloadbin,
176 		"Option to specify location from which to load ISP firmware:.\n"
177 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
178 		"      interface.\n"
179 		" 1 -- load firmware from flash.\n"
180 		" 0 -- use default semantics.\n");
181 
182 int ql2xetsenable;
183 module_param(ql2xetsenable, int, S_IRUGO);
184 MODULE_PARM_DESC(ql2xetsenable,
185 		"Enables firmware ETS burst."
186 		"Default is 0 - skip ETS enablement.");
187 
188 int ql2xdbwr = 1;
189 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
190 MODULE_PARM_DESC(ql2xdbwr,
191 		"Option to specify scheme for request queue posting.\n"
192 		" 0 -- Regular doorbell.\n"
193 		" 1 -- CAMRAM doorbell (faster).\n");
194 
195 int ql2xtargetreset = 1;
196 module_param(ql2xtargetreset, int, S_IRUGO);
197 MODULE_PARM_DESC(ql2xtargetreset,
198 		 "Enable target reset."
199 		 "Default is 1 - use hw defaults.");
200 
201 int ql2xgffidenable;
202 module_param(ql2xgffidenable, int, S_IRUGO);
203 MODULE_PARM_DESC(ql2xgffidenable,
204 		"Enables GFF_ID checks of port type. "
205 		"Default is 0 - Do not use GFF_ID information.");
206 
207 int ql2xasynctmfenable = 1;
208 module_param(ql2xasynctmfenable, int, S_IRUGO);
209 MODULE_PARM_DESC(ql2xasynctmfenable,
210 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
211 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
212 
213 int ql2xdontresethba;
214 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
215 MODULE_PARM_DESC(ql2xdontresethba,
216 		"Option to specify reset behaviour.\n"
217 		" 0 (Default) -- Reset on failure.\n"
218 		" 1 -- Do not reset on failure.\n");
219 
220 uint64_t ql2xmaxlun = MAX_LUNS;
221 module_param(ql2xmaxlun, ullong, S_IRUGO);
222 MODULE_PARM_DESC(ql2xmaxlun,
223 		"Defines the maximum LU number to register with the SCSI "
224 		"midlayer. Default is 65535.");
225 
226 int ql2xmdcapmask = 0x1F;
227 module_param(ql2xmdcapmask, int, S_IRUGO);
228 MODULE_PARM_DESC(ql2xmdcapmask,
229 		"Set the Minidump driver capture mask level. "
230 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
231 
232 int ql2xmdenable = 1;
233 module_param(ql2xmdenable, int, S_IRUGO);
234 MODULE_PARM_DESC(ql2xmdenable,
235 		"Enable/disable MiniDump. "
236 		"0 - MiniDump disabled. "
237 		"1 (Default) - MiniDump enabled.");
238 
239 int ql2xexlogins;
240 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
241 MODULE_PARM_DESC(ql2xexlogins,
242 		 "Number of extended Logins. "
243 		 "0 (Default)- Disabled.");
244 
245 int ql2xexchoffld = 1024;
246 module_param(ql2xexchoffld, uint, 0644);
247 MODULE_PARM_DESC(ql2xexchoffld,
248 	"Number of target exchanges.");
249 
250 int ql2xiniexchg = 1024;
251 module_param(ql2xiniexchg, uint, 0644);
252 MODULE_PARM_DESC(ql2xiniexchg,
253 	"Number of initiator exchanges.");
254 
255 int ql2xfwholdabts;
256 module_param(ql2xfwholdabts, int, S_IRUGO);
257 MODULE_PARM_DESC(ql2xfwholdabts,
258 		"Allow FW to hold status IOCB until ABTS rsp received. "
259 		"0 (Default) Do not set fw option. "
260 		"1 - Set fw option to hold ABTS.");
261 
262 int ql2xmvasynctoatio = 1;
263 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
264 MODULE_PARM_DESC(ql2xmvasynctoatio,
265 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
266 		"0 (Default). Do not move IOCBs"
267 		"1 - Move IOCBs.");
268 
269 int ql2xautodetectsfp = 1;
270 module_param(ql2xautodetectsfp, int, 0444);
271 MODULE_PARM_DESC(ql2xautodetectsfp,
272 		 "Detect SFP range and set appropriate distance.\n"
273 		 "1 (Default): Enable\n");
274 
275 int ql2xenablemsix = 1;
276 module_param(ql2xenablemsix, int, 0444);
277 MODULE_PARM_DESC(ql2xenablemsix,
278 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
279 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
280 		 " 0 -- enable traditional pin-based mechanism.\n"
281 		 " 1 -- enable MSI-X interrupt mechanism.\n"
282 		 " 2 -- enable MSI interrupt mechanism.\n");
283 
284 int qla2xuseresexchforels;
285 module_param(qla2xuseresexchforels, int, 0444);
286 MODULE_PARM_DESC(qla2xuseresexchforels,
287 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
288 		 " 0 (default): disabled");
289 
290 static int ql2xprotmask;
291 module_param(ql2xprotmask, int, 0644);
292 MODULE_PARM_DESC(ql2xprotmask,
293 		 "Override DIF/DIX protection capabilities mask\n"
294 		 "Default is 0 which sets protection mask based on "
295 		 "capabilities reported by HBA firmware.\n");
296 
297 static int ql2xprotguard;
298 module_param(ql2xprotguard, int, 0644);
299 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
300 		 "  0 -- Let HBA firmware decide\n"
301 		 "  1 -- Force T10 CRC\n"
302 		 "  2 -- Force IP checksum\n");
303 
304 int ql2xdifbundlinginternalbuffers;
305 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
306 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
307     "Force using internal buffers for DIF information\n"
308     "0 (Default). Based on check.\n"
309     "1 Force using internal buffers\n");
310 
311 int ql2xsmartsan;
312 module_param(ql2xsmartsan, int, 0444);
313 module_param_named(smartsan, ql2xsmartsan, int, 0444);
314 MODULE_PARM_DESC(ql2xsmartsan,
315 		"Send SmartSAN Management Attributes for FDMI Registration."
316 		" Default is 0 - No SmartSAN registration,"
317 		" 1 - Register SmartSAN Management Attributes.");
318 
319 int ql2xrdpenable;
320 module_param(ql2xrdpenable, int, 0444);
321 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
322 MODULE_PARM_DESC(ql2xrdpenable,
323 		"Enables RDP responses. "
324 		"0 - no RDP responses (default). "
325 		"1 - provide RDP responses.");
326 
327 static void qla2x00_clear_drv_active(struct qla_hw_data *);
328 static void qla2x00_free_device(scsi_qla_host_t *);
329 static int qla2xxx_map_queues(struct Scsi_Host *shost);
330 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
331 
332 
333 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
334 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
335 
336 /* TODO Convert to inlines
337  *
338  * Timer routines
339  */
340 
341 __inline__ void
342 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
343 {
344 	timer_setup(&vha->timer, qla2x00_timer, 0);
345 	vha->timer.expires = jiffies + interval * HZ;
346 	add_timer(&vha->timer);
347 	vha->timer_active = 1;
348 }
349 
350 static inline void
351 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
352 {
353 	/* Currently used for 82XX only. */
354 	if (vha->device_flags & DFLG_DEV_FAILED) {
355 		ql_dbg(ql_dbg_timer, vha, 0x600d,
356 		    "Device in a failed state, returning.\n");
357 		return;
358 	}
359 
360 	mod_timer(&vha->timer, jiffies + interval * HZ);
361 }
362 
363 static __inline__ void
364 qla2x00_stop_timer(scsi_qla_host_t *vha)
365 {
366 	del_timer_sync(&vha->timer);
367 	vha->timer_active = 0;
368 }
369 
370 static int qla2x00_do_dpc(void *data);
371 
372 static void qla2x00_rst_aen(scsi_qla_host_t *);
373 
374 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
375 	struct req_que **, struct rsp_que **);
376 static void qla2x00_free_fw_dump(struct qla_hw_data *);
377 static void qla2x00_mem_free(struct qla_hw_data *);
378 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
379 	struct qla_qpair *qpair);
380 
381 /* -------------------------------------------------------------------------- */
382 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
383     struct rsp_que *rsp)
384 {
385 	struct qla_hw_data *ha = vha->hw;
386 
387 	rsp->qpair = ha->base_qpair;
388 	rsp->req = req;
389 	ha->base_qpair->hw = ha;
390 	ha->base_qpair->req = req;
391 	ha->base_qpair->rsp = rsp;
392 	ha->base_qpair->vha = vha;
393 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
394 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
395 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
396 	ha->base_qpair->srb_mempool = ha->srb_mempool;
397 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
398 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
399 	/* init qpair to this cpu. Will adjust at run time. */
400 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
401 	ha->base_qpair->pdev = ha->pdev;
402 
403 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
404 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
405 }
406 
407 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
408 				struct rsp_que *rsp)
409 {
410 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
411 
412 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
413 				GFP_KERNEL);
414 	if (!ha->req_q_map) {
415 		ql_log(ql_log_fatal, vha, 0x003b,
416 		    "Unable to allocate memory for request queue ptrs.\n");
417 		goto fail_req_map;
418 	}
419 
420 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
421 				GFP_KERNEL);
422 	if (!ha->rsp_q_map) {
423 		ql_log(ql_log_fatal, vha, 0x003c,
424 		    "Unable to allocate memory for response queue ptrs.\n");
425 		goto fail_rsp_map;
426 	}
427 
428 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
429 	if (ha->base_qpair == NULL) {
430 		ql_log(ql_log_warn, vha, 0x00e0,
431 		    "Failed to allocate base queue pair memory.\n");
432 		goto fail_base_qpair;
433 	}
434 
435 	qla_init_base_qpair(vha, req, rsp);
436 
437 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
438 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
439 			GFP_KERNEL);
440 		if (!ha->queue_pair_map) {
441 			ql_log(ql_log_fatal, vha, 0x0180,
442 			    "Unable to allocate memory for queue pair ptrs.\n");
443 			goto fail_qpair_map;
444 		}
445 	}
446 
447 	/*
448 	 * Make sure we record at least the request and response queue zero in
449 	 * case we need to free them if part of the probe fails.
450 	 */
451 	ha->rsp_q_map[0] = rsp;
452 	ha->req_q_map[0] = req;
453 	set_bit(0, ha->rsp_qid_map);
454 	set_bit(0, ha->req_qid_map);
455 	return 0;
456 
457 fail_qpair_map:
458 	kfree(ha->base_qpair);
459 	ha->base_qpair = NULL;
460 fail_base_qpair:
461 	kfree(ha->rsp_q_map);
462 	ha->rsp_q_map = NULL;
463 fail_rsp_map:
464 	kfree(ha->req_q_map);
465 	ha->req_q_map = NULL;
466 fail_req_map:
467 	return -ENOMEM;
468 }
469 
470 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
471 {
472 	if (IS_QLAFX00(ha)) {
473 		if (req && req->ring_fx00)
474 			dma_free_coherent(&ha->pdev->dev,
475 			    (req->length_fx00 + 1) * sizeof(request_t),
476 			    req->ring_fx00, req->dma_fx00);
477 	} else if (req && req->ring)
478 		dma_free_coherent(&ha->pdev->dev,
479 		(req->length + 1) * sizeof(request_t),
480 		req->ring, req->dma);
481 
482 	if (req)
483 		kfree(req->outstanding_cmds);
484 
485 	kfree(req);
486 }
487 
488 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
489 {
490 	if (IS_QLAFX00(ha)) {
491 		if (rsp && rsp->ring_fx00)
492 			dma_free_coherent(&ha->pdev->dev,
493 			    (rsp->length_fx00 + 1) * sizeof(request_t),
494 			    rsp->ring_fx00, rsp->dma_fx00);
495 	} else if (rsp && rsp->ring) {
496 		dma_free_coherent(&ha->pdev->dev,
497 		(rsp->length + 1) * sizeof(response_t),
498 		rsp->ring, rsp->dma);
499 	}
500 	kfree(rsp);
501 }
502 
503 static void qla2x00_free_queues(struct qla_hw_data *ha)
504 {
505 	struct req_que *req;
506 	struct rsp_que *rsp;
507 	int cnt;
508 	unsigned long flags;
509 
510 	if (ha->queue_pair_map) {
511 		kfree(ha->queue_pair_map);
512 		ha->queue_pair_map = NULL;
513 	}
514 	if (ha->base_qpair) {
515 		kfree(ha->base_qpair);
516 		ha->base_qpair = NULL;
517 	}
518 
519 	spin_lock_irqsave(&ha->hardware_lock, flags);
520 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
521 		if (!test_bit(cnt, ha->req_qid_map))
522 			continue;
523 
524 		req = ha->req_q_map[cnt];
525 		clear_bit(cnt, ha->req_qid_map);
526 		ha->req_q_map[cnt] = NULL;
527 
528 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
529 		qla2x00_free_req_que(ha, req);
530 		spin_lock_irqsave(&ha->hardware_lock, flags);
531 	}
532 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
533 
534 	kfree(ha->req_q_map);
535 	ha->req_q_map = NULL;
536 
537 
538 	spin_lock_irqsave(&ha->hardware_lock, flags);
539 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
540 		if (!test_bit(cnt, ha->rsp_qid_map))
541 			continue;
542 
543 		rsp = ha->rsp_q_map[cnt];
544 		clear_bit(cnt, ha->rsp_qid_map);
545 		ha->rsp_q_map[cnt] =  NULL;
546 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
547 		qla2x00_free_rsp_que(ha, rsp);
548 		spin_lock_irqsave(&ha->hardware_lock, flags);
549 	}
550 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
551 
552 	kfree(ha->rsp_q_map);
553 	ha->rsp_q_map = NULL;
554 }
555 
556 static char *
557 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
558 {
559 	struct qla_hw_data *ha = vha->hw;
560 	static const char *const pci_bus_modes[] = {
561 		"33", "66", "100", "133",
562 	};
563 	uint16_t pci_bus;
564 
565 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
566 	if (pci_bus) {
567 		snprintf(str, str_len, "PCI-X (%s MHz)",
568 			 pci_bus_modes[pci_bus]);
569 	} else {
570 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
571 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
572 	}
573 
574 	return str;
575 }
576 
577 static char *
578 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
579 {
580 	static const char *const pci_bus_modes[] = {
581 		"33", "66", "100", "133",
582 	};
583 	struct qla_hw_data *ha = vha->hw;
584 	uint32_t pci_bus;
585 
586 	if (pci_is_pcie(ha->pdev)) {
587 		uint32_t lstat, lspeed, lwidth;
588 		const char *speed_str;
589 
590 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
591 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
592 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
593 
594 		switch (lspeed) {
595 		case 1:
596 			speed_str = "2.5GT/s";
597 			break;
598 		case 2:
599 			speed_str = "5.0GT/s";
600 			break;
601 		case 3:
602 			speed_str = "8.0GT/s";
603 			break;
604 		case 4:
605 			speed_str = "16.0GT/s";
606 			break;
607 		default:
608 			speed_str = "<unknown>";
609 			break;
610 		}
611 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
612 
613 		return str;
614 	}
615 
616 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
617 	if (pci_bus == 0 || pci_bus == 8)
618 		snprintf(str, str_len, "PCI (%s MHz)",
619 			 pci_bus_modes[pci_bus >> 3]);
620 	else
621 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
622 			 pci_bus & 4 ? 2 : 1,
623 			 pci_bus_modes[pci_bus & 3]);
624 
625 	return str;
626 }
627 
628 static char *
629 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
630 {
631 	char un_str[10];
632 	struct qla_hw_data *ha = vha->hw;
633 
634 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
635 	    ha->fw_minor_version, ha->fw_subminor_version);
636 
637 	if (ha->fw_attributes & BIT_9) {
638 		strcat(str, "FLX");
639 		return (str);
640 	}
641 
642 	switch (ha->fw_attributes & 0xFF) {
643 	case 0x7:
644 		strcat(str, "EF");
645 		break;
646 	case 0x17:
647 		strcat(str, "TP");
648 		break;
649 	case 0x37:
650 		strcat(str, "IP");
651 		break;
652 	case 0x77:
653 		strcat(str, "VI");
654 		break;
655 	default:
656 		sprintf(un_str, "(%x)", ha->fw_attributes);
657 		strcat(str, un_str);
658 		break;
659 	}
660 	if (ha->fw_attributes & 0x100)
661 		strcat(str, "X");
662 
663 	return (str);
664 }
665 
666 static char *
667 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
668 {
669 	struct qla_hw_data *ha = vha->hw;
670 
671 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
672 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
673 	return str;
674 }
675 
676 void qla2x00_sp_free_dma(srb_t *sp)
677 {
678 	struct qla_hw_data *ha = sp->vha->hw;
679 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
680 
681 	if (sp->flags & SRB_DMA_VALID) {
682 		scsi_dma_unmap(cmd);
683 		sp->flags &= ~SRB_DMA_VALID;
684 	}
685 
686 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
687 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
688 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
689 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
690 	}
691 
692 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
693 		/* List assured to be having elements */
694 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
695 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
696 	}
697 
698 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
699 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
700 
701 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
702 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
703 	}
704 
705 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
706 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
707 
708 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
709 		    ctx1->fcp_cmnd_dma);
710 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
711 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
712 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
713 		mempool_free(ctx1, ha->ctx_mempool);
714 	}
715 }
716 
717 void qla2x00_sp_compl(srb_t *sp, int res)
718 {
719 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
720 	struct completion *comp = sp->comp;
721 
722 	sp->free(sp);
723 	cmd->result = res;
724 	CMD_SP(cmd) = NULL;
725 	cmd->scsi_done(cmd);
726 	if (comp)
727 		complete(comp);
728 }
729 
730 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
731 {
732 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
733 	struct qla_hw_data *ha = sp->fcport->vha->hw;
734 
735 	if (sp->flags & SRB_DMA_VALID) {
736 		scsi_dma_unmap(cmd);
737 		sp->flags &= ~SRB_DMA_VALID;
738 	}
739 
740 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
741 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
742 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
743 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
744 	}
745 
746 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
747 		/* List assured to be having elements */
748 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
749 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
750 	}
751 
752 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
753 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
754 		struct dsd_dma *dif_dsd, *nxt_dsd;
755 
756 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
757 		    &difctx->ldif_dma_hndl_list, list) {
758 			list_del(&dif_dsd->list);
759 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
760 			    dif_dsd->dsd_list_dma);
761 			kfree(dif_dsd);
762 			difctx->no_dif_bundl--;
763 		}
764 
765 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
766 		    &difctx->ldif_dsd_list, list) {
767 			list_del(&dif_dsd->list);
768 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
769 			    dif_dsd->dsd_list_dma);
770 			kfree(dif_dsd);
771 			difctx->no_ldif_dsd--;
772 		}
773 
774 		if (difctx->no_ldif_dsd) {
775 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
776 			    "%s: difctx->no_ldif_dsd=%x\n",
777 			    __func__, difctx->no_ldif_dsd);
778 		}
779 
780 		if (difctx->no_dif_bundl) {
781 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
782 			    "%s: difctx->no_dif_bundl=%x\n",
783 			    __func__, difctx->no_dif_bundl);
784 		}
785 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
786 	}
787 
788 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
789 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
790 
791 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
792 		    ctx1->fcp_cmnd_dma);
793 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
794 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
795 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
796 		mempool_free(ctx1, ha->ctx_mempool);
797 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
798 	}
799 
800 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
801 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
802 
803 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
804 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
805 	}
806 }
807 
808 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
809 {
810 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
811 	struct completion *comp = sp->comp;
812 
813 	sp->free(sp);
814 	cmd->result = res;
815 	CMD_SP(cmd) = NULL;
816 	cmd->scsi_done(cmd);
817 	if (comp)
818 		complete(comp);
819 }
820 
821 static int
822 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
823 {
824 	scsi_qla_host_t *vha = shost_priv(host);
825 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
826 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
827 	struct qla_hw_data *ha = vha->hw;
828 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
829 	srb_t *sp;
830 	int rval;
831 
832 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
833 	    WARN_ON_ONCE(!rport)) {
834 		cmd->result = DID_NO_CONNECT << 16;
835 		goto qc24_fail_command;
836 	}
837 
838 	if (ha->mqenable) {
839 		uint32_t tag;
840 		uint16_t hwq;
841 		struct qla_qpair *qpair = NULL;
842 
843 		tag = blk_mq_unique_tag(cmd->request);
844 		hwq = blk_mq_unique_tag_to_hwq(tag);
845 		qpair = ha->queue_pair_map[hwq];
846 
847 		if (qpair)
848 			return qla2xxx_mqueuecommand(host, cmd, qpair);
849 	}
850 
851 	if (ha->flags.eeh_busy) {
852 		if (ha->flags.pci_channel_io_perm_failure) {
853 			ql_dbg(ql_dbg_aer, vha, 0x9010,
854 			    "PCI Channel IO permanent failure, exiting "
855 			    "cmd=%p.\n", cmd);
856 			cmd->result = DID_NO_CONNECT << 16;
857 		} else {
858 			ql_dbg(ql_dbg_aer, vha, 0x9011,
859 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
860 			cmd->result = DID_REQUEUE << 16;
861 		}
862 		goto qc24_fail_command;
863 	}
864 
865 	rval = fc_remote_port_chkready(rport);
866 	if (rval) {
867 		cmd->result = rval;
868 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
869 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
870 		    cmd, rval);
871 		goto qc24_fail_command;
872 	}
873 
874 	if (!vha->flags.difdix_supported &&
875 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
876 			ql_dbg(ql_dbg_io, vha, 0x3004,
877 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
878 			    cmd);
879 			cmd->result = DID_NO_CONNECT << 16;
880 			goto qc24_fail_command;
881 	}
882 
883 	if (!fcport) {
884 		cmd->result = DID_NO_CONNECT << 16;
885 		goto qc24_fail_command;
886 	}
887 
888 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
889 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
890 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
891 			ql_dbg(ql_dbg_io, vha, 0x3005,
892 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
893 			    atomic_read(&fcport->state),
894 			    atomic_read(&base_vha->loop_state));
895 			cmd->result = DID_NO_CONNECT << 16;
896 			goto qc24_fail_command;
897 		}
898 		goto qc24_target_busy;
899 	}
900 
901 	/*
902 	 * Return target busy if we've received a non-zero retry_delay_timer
903 	 * in a FCP_RSP.
904 	 */
905 	if (fcport->retry_delay_timestamp == 0) {
906 		/* retry delay not set */
907 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
908 		fcport->retry_delay_timestamp = 0;
909 	else
910 		goto qc24_target_busy;
911 
912 	sp = scsi_cmd_priv(cmd);
913 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
914 
915 	sp->u.scmd.cmd = cmd;
916 	sp->type = SRB_SCSI_CMD;
917 
918 	CMD_SP(cmd) = (void *)sp;
919 	sp->free = qla2x00_sp_free_dma;
920 	sp->done = qla2x00_sp_compl;
921 
922 	rval = ha->isp_ops->start_scsi(sp);
923 	if (rval != QLA_SUCCESS) {
924 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
925 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
926 		goto qc24_host_busy_free_sp;
927 	}
928 
929 	return 0;
930 
931 qc24_host_busy_free_sp:
932 	sp->free(sp);
933 
934 qc24_target_busy:
935 	return SCSI_MLQUEUE_TARGET_BUSY;
936 
937 qc24_fail_command:
938 	cmd->scsi_done(cmd);
939 
940 	return 0;
941 }
942 
943 /* For MQ supported I/O */
944 int
945 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
946     struct qla_qpair *qpair)
947 {
948 	scsi_qla_host_t *vha = shost_priv(host);
949 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
950 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
951 	struct qla_hw_data *ha = vha->hw;
952 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
953 	srb_t *sp;
954 	int rval;
955 
956 	rval = rport ? fc_remote_port_chkready(rport) : FC_PORTSTATE_OFFLINE;
957 	if (rval) {
958 		cmd->result = rval;
959 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
960 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
961 		    cmd, rval);
962 		goto qc24_fail_command;
963 	}
964 
965 	if (!fcport) {
966 		cmd->result = DID_NO_CONNECT << 16;
967 		goto qc24_fail_command;
968 	}
969 
970 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
971 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
972 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
973 			ql_dbg(ql_dbg_io, vha, 0x3077,
974 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
975 			    atomic_read(&fcport->state),
976 			    atomic_read(&base_vha->loop_state));
977 			cmd->result = DID_NO_CONNECT << 16;
978 			goto qc24_fail_command;
979 		}
980 		goto qc24_target_busy;
981 	}
982 
983 	/*
984 	 * Return target busy if we've received a non-zero retry_delay_timer
985 	 * in a FCP_RSP.
986 	 */
987 	if (fcport->retry_delay_timestamp == 0) {
988 		/* retry delay not set */
989 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
990 		fcport->retry_delay_timestamp = 0;
991 	else
992 		goto qc24_target_busy;
993 
994 	sp = scsi_cmd_priv(cmd);
995 	qla2xxx_init_sp(sp, vha, qpair, fcport);
996 
997 	sp->u.scmd.cmd = cmd;
998 	sp->type = SRB_SCSI_CMD;
999 	CMD_SP(cmd) = (void *)sp;
1000 	sp->free = qla2xxx_qpair_sp_free_dma;
1001 	sp->done = qla2xxx_qpair_sp_compl;
1002 
1003 	rval = ha->isp_ops->start_scsi_mq(sp);
1004 	if (rval != QLA_SUCCESS) {
1005 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1006 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1007 		if (rval == QLA_INTERFACE_ERROR)
1008 			goto qc24_free_sp_fail_command;
1009 		goto qc24_host_busy_free_sp;
1010 	}
1011 
1012 	return 0;
1013 
1014 qc24_host_busy_free_sp:
1015 	sp->free(sp);
1016 
1017 qc24_target_busy:
1018 	return SCSI_MLQUEUE_TARGET_BUSY;
1019 
1020 qc24_free_sp_fail_command:
1021 	sp->free(sp);
1022 	CMD_SP(cmd) = NULL;
1023 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
1024 
1025 qc24_fail_command:
1026 	cmd->scsi_done(cmd);
1027 
1028 	return 0;
1029 }
1030 
1031 /*
1032  * qla2x00_eh_wait_on_command
1033  *    Waits for the command to be returned by the Firmware for some
1034  *    max time.
1035  *
1036  * Input:
1037  *    cmd = Scsi Command to wait on.
1038  *
1039  * Return:
1040  *    Completed in time : QLA_SUCCESS
1041  *    Did not complete in time : QLA_FUNCTION_FAILED
1042  */
1043 static int
1044 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1045 {
1046 #define ABORT_POLLING_PERIOD	1000
1047 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1048 	unsigned long wait_iter = ABORT_WAIT_ITER;
1049 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1050 	struct qla_hw_data *ha = vha->hw;
1051 	int ret = QLA_SUCCESS;
1052 
1053 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1054 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1055 		    "Return:eh_wait.\n");
1056 		return ret;
1057 	}
1058 
1059 	while (CMD_SP(cmd) && wait_iter--) {
1060 		msleep(ABORT_POLLING_PERIOD);
1061 	}
1062 	if (CMD_SP(cmd))
1063 		ret = QLA_FUNCTION_FAILED;
1064 
1065 	return ret;
1066 }
1067 
1068 /*
1069  * qla2x00_wait_for_hba_online
1070  *    Wait till the HBA is online after going through
1071  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1072  *    finally HBA is disabled ie marked offline
1073  *
1074  * Input:
1075  *     ha - pointer to host adapter structure
1076  *
1077  * Note:
1078  *    Does context switching-Release SPIN_LOCK
1079  *    (if any) before calling this routine.
1080  *
1081  * Return:
1082  *    Success (Adapter is online) : 0
1083  *    Failed  (Adapter is offline/disabled) : 1
1084  */
1085 int
1086 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1087 {
1088 	int		return_status;
1089 	unsigned long	wait_online;
1090 	struct qla_hw_data *ha = vha->hw;
1091 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1092 
1093 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1094 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1095 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1096 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1097 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1098 
1099 		msleep(1000);
1100 	}
1101 	if (base_vha->flags.online)
1102 		return_status = QLA_SUCCESS;
1103 	else
1104 		return_status = QLA_FUNCTION_FAILED;
1105 
1106 	return (return_status);
1107 }
1108 
1109 static inline int test_fcport_count(scsi_qla_host_t *vha)
1110 {
1111 	struct qla_hw_data *ha = vha->hw;
1112 	unsigned long flags;
1113 	int res;
1114 
1115 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1116 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1117 	    "tgt %p, fcport_count=%d\n",
1118 	    vha, vha->fcport_count);
1119 	res = (vha->fcport_count == 0);
1120 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1121 
1122 	return res;
1123 }
1124 
1125 /*
1126  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1127  * it has dependency on UNLOADING flag to stop device discovery
1128  */
1129 void
1130 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1131 {
1132 	u8 i;
1133 
1134 	qla2x00_mark_all_devices_lost(vha);
1135 
1136 	for (i = 0; i < 10; i++) {
1137 		if (wait_event_timeout(vha->fcport_waitQ,
1138 		    test_fcport_count(vha), HZ) > 0)
1139 			break;
1140 	}
1141 
1142 	flush_workqueue(vha->hw->wq);
1143 }
1144 
1145 /*
1146  * qla2x00_wait_for_hba_ready
1147  * Wait till the HBA is ready before doing driver unload
1148  *
1149  * Input:
1150  *     ha - pointer to host adapter structure
1151  *
1152  * Note:
1153  *    Does context switching-Release SPIN_LOCK
1154  *    (if any) before calling this routine.
1155  *
1156  */
1157 static void
1158 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1159 {
1160 	struct qla_hw_data *ha = vha->hw;
1161 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1162 
1163 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1164 		ha->flags.mbox_busy) ||
1165 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1166 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1167 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1168 			break;
1169 		msleep(1000);
1170 	}
1171 }
1172 
1173 int
1174 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1175 {
1176 	int		return_status;
1177 	unsigned long	wait_reset;
1178 	struct qla_hw_data *ha = vha->hw;
1179 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1180 
1181 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1182 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1183 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1184 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1185 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1186 
1187 		msleep(1000);
1188 
1189 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1190 		    ha->flags.chip_reset_done)
1191 			break;
1192 	}
1193 	if (ha->flags.chip_reset_done)
1194 		return_status = QLA_SUCCESS;
1195 	else
1196 		return_status = QLA_FUNCTION_FAILED;
1197 
1198 	return return_status;
1199 }
1200 
1201 #define ISP_REG_DISCONNECT 0xffffffffU
1202 /**************************************************************************
1203 * qla2x00_isp_reg_stat
1204 *
1205 * Description:
1206 *	Read the host status register of ISP before aborting the command.
1207 *
1208 * Input:
1209 *	ha = pointer to host adapter structure.
1210 *
1211 *
1212 * Returns:
1213 *	Either true or false.
1214 *
1215 * Note:	Return true if there is register disconnect.
1216 **************************************************************************/
1217 static inline
1218 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1219 {
1220 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1221 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1222 
1223 	if (IS_P3P_TYPE(ha))
1224 		return ((rd_reg_dword(&reg82->host_int)) == ISP_REG_DISCONNECT);
1225 	else
1226 		return ((rd_reg_dword(&reg->host_status)) ==
1227 			ISP_REG_DISCONNECT);
1228 }
1229 
1230 /**************************************************************************
1231 * qla2xxx_eh_abort
1232 *
1233 * Description:
1234 *    The abort function will abort the specified command.
1235 *
1236 * Input:
1237 *    cmd = Linux SCSI command packet to be aborted.
1238 *
1239 * Returns:
1240 *    Either SUCCESS or FAILED.
1241 *
1242 * Note:
1243 *    Only return FAILED if command not returned by firmware.
1244 **************************************************************************/
1245 static int
1246 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1247 {
1248 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1249 	DECLARE_COMPLETION_ONSTACK(comp);
1250 	srb_t *sp;
1251 	int ret;
1252 	unsigned int id;
1253 	uint64_t lun;
1254 	int rval;
1255 	struct qla_hw_data *ha = vha->hw;
1256 	uint32_t ratov_j;
1257 	struct qla_qpair *qpair;
1258 	unsigned long flags;
1259 
1260 	if (qla2x00_isp_reg_stat(ha)) {
1261 		ql_log(ql_log_info, vha, 0x8042,
1262 		    "PCI/Register disconnect, exiting.\n");
1263 		return FAILED;
1264 	}
1265 
1266 	ret = fc_block_scsi_eh(cmd);
1267 	if (ret != 0)
1268 		return ret;
1269 
1270 	sp = scsi_cmd_priv(cmd);
1271 	qpair = sp->qpair;
1272 
1273 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1274 		return SUCCESS;
1275 
1276 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1277 	sp->comp = &comp;
1278 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1279 
1280 
1281 	id = cmd->device->id;
1282 	lun = cmd->device->lun;
1283 
1284 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1285 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1286 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1287 
1288 	/*
1289 	 * Abort will release the original Command/sp from FW. Let the
1290 	 * original command call scsi_done. In return, he will wakeup
1291 	 * this sleeping thread.
1292 	 */
1293 	rval = ha->isp_ops->abort_command(sp);
1294 
1295 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1296 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1297 
1298 	/* Wait for the command completion. */
1299 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1300 	ratov_j = msecs_to_jiffies(ratov_j);
1301 	switch (rval) {
1302 	case QLA_SUCCESS:
1303 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1304 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1305 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1306 			    __func__, ha->r_a_tov/10);
1307 			ret = FAILED;
1308 		} else {
1309 			ret = SUCCESS;
1310 		}
1311 		break;
1312 	default:
1313 		ret = FAILED;
1314 		break;
1315 	}
1316 
1317 	sp->comp = NULL;
1318 
1319 	ql_log(ql_log_info, vha, 0x801c,
1320 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1321 	    vha->host_no, id, lun, ret);
1322 
1323 	return ret;
1324 }
1325 
1326 /*
1327  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1328  */
1329 int
1330 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1331 	uint64_t l, enum nexus_wait_type type)
1332 {
1333 	int cnt, match, status;
1334 	unsigned long flags;
1335 	struct qla_hw_data *ha = vha->hw;
1336 	struct req_que *req;
1337 	srb_t *sp;
1338 	struct scsi_cmnd *cmd;
1339 
1340 	status = QLA_SUCCESS;
1341 
1342 	spin_lock_irqsave(&ha->hardware_lock, flags);
1343 	req = vha->req;
1344 	for (cnt = 1; status == QLA_SUCCESS &&
1345 		cnt < req->num_outstanding_cmds; cnt++) {
1346 		sp = req->outstanding_cmds[cnt];
1347 		if (!sp)
1348 			continue;
1349 		if (sp->type != SRB_SCSI_CMD)
1350 			continue;
1351 		if (vha->vp_idx != sp->vha->vp_idx)
1352 			continue;
1353 		match = 0;
1354 		cmd = GET_CMD_SP(sp);
1355 		switch (type) {
1356 		case WAIT_HOST:
1357 			match = 1;
1358 			break;
1359 		case WAIT_TARGET:
1360 			match = cmd->device->id == t;
1361 			break;
1362 		case WAIT_LUN:
1363 			match = (cmd->device->id == t &&
1364 				cmd->device->lun == l);
1365 			break;
1366 		}
1367 		if (!match)
1368 			continue;
1369 
1370 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1371 		status = qla2x00_eh_wait_on_command(cmd);
1372 		spin_lock_irqsave(&ha->hardware_lock, flags);
1373 	}
1374 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1375 
1376 	return status;
1377 }
1378 
1379 static char *reset_errors[] = {
1380 	"HBA not online",
1381 	"HBA not ready",
1382 	"Task management failed",
1383 	"Waiting for command completions",
1384 };
1385 
1386 static int
1387 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1388     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1389 {
1390 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1391 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1392 	int err;
1393 
1394 	if (!fcport) {
1395 		return FAILED;
1396 	}
1397 
1398 	err = fc_block_scsi_eh(cmd);
1399 	if (err != 0)
1400 		return err;
1401 
1402 	if (fcport->deleted)
1403 		return SUCCESS;
1404 
1405 	ql_log(ql_log_info, vha, 0x8009,
1406 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1407 	    cmd->device->id, cmd->device->lun, cmd);
1408 
1409 	err = 0;
1410 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1411 		ql_log(ql_log_warn, vha, 0x800a,
1412 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1413 		goto eh_reset_failed;
1414 	}
1415 	err = 2;
1416 	if (do_reset(fcport, cmd->device->lun, 1)
1417 		!= QLA_SUCCESS) {
1418 		ql_log(ql_log_warn, vha, 0x800c,
1419 		    "do_reset failed for cmd=%p.\n", cmd);
1420 		goto eh_reset_failed;
1421 	}
1422 	err = 3;
1423 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1424 	    cmd->device->lun, type) != QLA_SUCCESS) {
1425 		ql_log(ql_log_warn, vha, 0x800d,
1426 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1427 		goto eh_reset_failed;
1428 	}
1429 
1430 	ql_log(ql_log_info, vha, 0x800e,
1431 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1432 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1433 
1434 	return SUCCESS;
1435 
1436 eh_reset_failed:
1437 	ql_log(ql_log_info, vha, 0x800f,
1438 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1439 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1440 	    cmd);
1441 	return FAILED;
1442 }
1443 
1444 static int
1445 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1446 {
1447 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1448 	struct qla_hw_data *ha = vha->hw;
1449 
1450 	if (qla2x00_isp_reg_stat(ha)) {
1451 		ql_log(ql_log_info, vha, 0x803e,
1452 		    "PCI/Register disconnect, exiting.\n");
1453 		return FAILED;
1454 	}
1455 
1456 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1457 	    ha->isp_ops->lun_reset);
1458 }
1459 
1460 static int
1461 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1462 {
1463 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1464 	struct qla_hw_data *ha = vha->hw;
1465 
1466 	if (qla2x00_isp_reg_stat(ha)) {
1467 		ql_log(ql_log_info, vha, 0x803f,
1468 		    "PCI/Register disconnect, exiting.\n");
1469 		return FAILED;
1470 	}
1471 
1472 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1473 	    ha->isp_ops->target_reset);
1474 }
1475 
1476 /**************************************************************************
1477 * qla2xxx_eh_bus_reset
1478 *
1479 * Description:
1480 *    The bus reset function will reset the bus and abort any executing
1481 *    commands.
1482 *
1483 * Input:
1484 *    cmd = Linux SCSI command packet of the command that cause the
1485 *          bus reset.
1486 *
1487 * Returns:
1488 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1489 *
1490 **************************************************************************/
1491 static int
1492 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1493 {
1494 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1495 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1496 	int ret = FAILED;
1497 	unsigned int id;
1498 	uint64_t lun;
1499 	struct qla_hw_data *ha = vha->hw;
1500 
1501 	if (qla2x00_isp_reg_stat(ha)) {
1502 		ql_log(ql_log_info, vha, 0x8040,
1503 		    "PCI/Register disconnect, exiting.\n");
1504 		return FAILED;
1505 	}
1506 
1507 	id = cmd->device->id;
1508 	lun = cmd->device->lun;
1509 
1510 	if (!fcport) {
1511 		return ret;
1512 	}
1513 
1514 	ret = fc_block_scsi_eh(cmd);
1515 	if (ret != 0)
1516 		return ret;
1517 	ret = FAILED;
1518 
1519 	if (qla2x00_chip_is_down(vha))
1520 		return ret;
1521 
1522 	ql_log(ql_log_info, vha, 0x8012,
1523 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1524 
1525 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1526 		ql_log(ql_log_fatal, vha, 0x8013,
1527 		    "Wait for hba online failed board disabled.\n");
1528 		goto eh_bus_reset_done;
1529 	}
1530 
1531 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1532 		ret = SUCCESS;
1533 
1534 	if (ret == FAILED)
1535 		goto eh_bus_reset_done;
1536 
1537 	/* Flush outstanding commands. */
1538 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1539 	    QLA_SUCCESS) {
1540 		ql_log(ql_log_warn, vha, 0x8014,
1541 		    "Wait for pending commands failed.\n");
1542 		ret = FAILED;
1543 	}
1544 
1545 eh_bus_reset_done:
1546 	ql_log(ql_log_warn, vha, 0x802b,
1547 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1548 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1549 
1550 	return ret;
1551 }
1552 
1553 /**************************************************************************
1554 * qla2xxx_eh_host_reset
1555 *
1556 * Description:
1557 *    The reset function will reset the Adapter.
1558 *
1559 * Input:
1560 *      cmd = Linux SCSI command packet of the command that cause the
1561 *            adapter reset.
1562 *
1563 * Returns:
1564 *      Either SUCCESS or FAILED.
1565 *
1566 * Note:
1567 **************************************************************************/
1568 static int
1569 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1570 {
1571 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1572 	struct qla_hw_data *ha = vha->hw;
1573 	int ret = FAILED;
1574 	unsigned int id;
1575 	uint64_t lun;
1576 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1577 
1578 	if (qla2x00_isp_reg_stat(ha)) {
1579 		ql_log(ql_log_info, vha, 0x8041,
1580 		    "PCI/Register disconnect, exiting.\n");
1581 		schedule_work(&ha->board_disable);
1582 		return SUCCESS;
1583 	}
1584 
1585 	id = cmd->device->id;
1586 	lun = cmd->device->lun;
1587 
1588 	ql_log(ql_log_info, vha, 0x8018,
1589 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1590 
1591 	/*
1592 	 * No point in issuing another reset if one is active.  Also do not
1593 	 * attempt a reset if we are updating flash.
1594 	 */
1595 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1596 		goto eh_host_reset_lock;
1597 
1598 	if (vha != base_vha) {
1599 		if (qla2x00_vp_abort_isp(vha))
1600 			goto eh_host_reset_lock;
1601 	} else {
1602 		if (IS_P3P_TYPE(vha->hw)) {
1603 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1604 				/* Ctx reset success */
1605 				ret = SUCCESS;
1606 				goto eh_host_reset_lock;
1607 			}
1608 			/* fall thru if ctx reset failed */
1609 		}
1610 		if (ha->wq)
1611 			flush_workqueue(ha->wq);
1612 
1613 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1614 		if (ha->isp_ops->abort_isp(base_vha)) {
1615 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1616 			/* failed. schedule dpc to try */
1617 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1618 
1619 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1620 				ql_log(ql_log_warn, vha, 0x802a,
1621 				    "wait for hba online failed.\n");
1622 				goto eh_host_reset_lock;
1623 			}
1624 		}
1625 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1626 	}
1627 
1628 	/* Waiting for command to be returned to OS.*/
1629 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1630 		QLA_SUCCESS)
1631 		ret = SUCCESS;
1632 
1633 eh_host_reset_lock:
1634 	ql_log(ql_log_info, vha, 0x8017,
1635 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1636 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1637 
1638 	return ret;
1639 }
1640 
1641 /*
1642 * qla2x00_loop_reset
1643 *      Issue loop reset.
1644 *
1645 * Input:
1646 *      ha = adapter block pointer.
1647 *
1648 * Returns:
1649 *      0 = success
1650 */
1651 int
1652 qla2x00_loop_reset(scsi_qla_host_t *vha)
1653 {
1654 	int ret;
1655 	struct fc_port *fcport;
1656 	struct qla_hw_data *ha = vha->hw;
1657 
1658 	if (IS_QLAFX00(ha)) {
1659 		return qlafx00_loop_reset(vha);
1660 	}
1661 
1662 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1663 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1664 			if (fcport->port_type != FCT_TARGET)
1665 				continue;
1666 
1667 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1668 			if (ret != QLA_SUCCESS) {
1669 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1670 				    "Bus Reset failed: Reset=%d "
1671 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1672 			}
1673 		}
1674 	}
1675 
1676 
1677 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1678 		atomic_set(&vha->loop_state, LOOP_DOWN);
1679 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1680 		qla2x00_mark_all_devices_lost(vha);
1681 		ret = qla2x00_full_login_lip(vha);
1682 		if (ret != QLA_SUCCESS) {
1683 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1684 			    "full_login_lip=%d.\n", ret);
1685 		}
1686 	}
1687 
1688 	if (ha->flags.enable_lip_reset) {
1689 		ret = qla2x00_lip_reset(vha);
1690 		if (ret != QLA_SUCCESS)
1691 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1692 			    "lip_reset failed (%d).\n", ret);
1693 	}
1694 
1695 	/* Issue marker command only when we are going to start the I/O */
1696 	vha->marker_needed = 1;
1697 
1698 	return QLA_SUCCESS;
1699 }
1700 
1701 /*
1702  * The caller must ensure that no completion interrupts will happen
1703  * while this function is in progress.
1704  */
1705 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1706 			      unsigned long *flags)
1707 	__releases(qp->qp_lock_ptr)
1708 	__acquires(qp->qp_lock_ptr)
1709 {
1710 	DECLARE_COMPLETION_ONSTACK(comp);
1711 	scsi_qla_host_t *vha = qp->vha;
1712 	struct qla_hw_data *ha = vha->hw;
1713 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1714 	int rval;
1715 	bool ret_cmd;
1716 	uint32_t ratov_j;
1717 
1718 	lockdep_assert_held(qp->qp_lock_ptr);
1719 
1720 	if (qla2x00_chip_is_down(vha)) {
1721 		sp->done(sp, res);
1722 		return;
1723 	}
1724 
1725 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1726 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1727 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1728 	     !qla2x00_isp_reg_stat(ha))) {
1729 		if (sp->comp) {
1730 			sp->done(sp, res);
1731 			return;
1732 		}
1733 
1734 		sp->comp = &comp;
1735 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1736 
1737 		rval = ha->isp_ops->abort_command(sp);
1738 		/* Wait for command completion. */
1739 		ret_cmd = false;
1740 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1741 		ratov_j = msecs_to_jiffies(ratov_j);
1742 		switch (rval) {
1743 		case QLA_SUCCESS:
1744 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1745 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1746 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1747 				    __func__, ha->r_a_tov/10);
1748 				ret_cmd = true;
1749 			}
1750 			/* else FW return SP to driver */
1751 			break;
1752 		default:
1753 			ret_cmd = true;
1754 			break;
1755 		}
1756 
1757 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1758 		if (ret_cmd && blk_mq_request_started(cmd->request))
1759 			sp->done(sp, res);
1760 	} else {
1761 		sp->done(sp, res);
1762 	}
1763 }
1764 
1765 /*
1766  * The caller must ensure that no completion interrupts will happen
1767  * while this function is in progress.
1768  */
1769 static void
1770 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1771 {
1772 	int cnt;
1773 	unsigned long flags;
1774 	srb_t *sp;
1775 	scsi_qla_host_t *vha = qp->vha;
1776 	struct qla_hw_data *ha = vha->hw;
1777 	struct req_que *req;
1778 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1779 	struct qla_tgt_cmd *cmd;
1780 
1781 	if (!ha->req_q_map)
1782 		return;
1783 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1784 	req = qp->req;
1785 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1786 		sp = req->outstanding_cmds[cnt];
1787 		if (sp) {
1788 			switch (sp->cmd_type) {
1789 			case TYPE_SRB:
1790 				qla2x00_abort_srb(qp, sp, res, &flags);
1791 				break;
1792 			case TYPE_TGT_CMD:
1793 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1794 				    qla_ini_mode_enabled(vha)) {
1795 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1796 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1797 					    vha->dpc_flags);
1798 					continue;
1799 				}
1800 				cmd = (struct qla_tgt_cmd *)sp;
1801 				cmd->aborted = 1;
1802 				break;
1803 			case TYPE_TGT_TMCMD:
1804 				/* Skip task management functions. */
1805 				break;
1806 			default:
1807 				break;
1808 			}
1809 			req->outstanding_cmds[cnt] = NULL;
1810 		}
1811 	}
1812 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1813 }
1814 
1815 /*
1816  * The caller must ensure that no completion interrupts will happen
1817  * while this function is in progress.
1818  */
1819 void
1820 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1821 {
1822 	int que;
1823 	struct qla_hw_data *ha = vha->hw;
1824 
1825 	/* Continue only if initialization complete. */
1826 	if (!ha->base_qpair)
1827 		return;
1828 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1829 
1830 	if (!ha->queue_pair_map)
1831 		return;
1832 	for (que = 0; que < ha->max_qpairs; que++) {
1833 		if (!ha->queue_pair_map[que])
1834 			continue;
1835 
1836 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1837 	}
1838 }
1839 
1840 static int
1841 qla2xxx_slave_alloc(struct scsi_device *sdev)
1842 {
1843 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1844 
1845 	if (!rport || fc_remote_port_chkready(rport))
1846 		return -ENXIO;
1847 
1848 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1849 
1850 	return 0;
1851 }
1852 
1853 static int
1854 qla2xxx_slave_configure(struct scsi_device *sdev)
1855 {
1856 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1857 	struct req_que *req = vha->req;
1858 
1859 	if (IS_T10_PI_CAPABLE(vha->hw))
1860 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1861 
1862 	scsi_change_queue_depth(sdev, req->max_q_depth);
1863 	return 0;
1864 }
1865 
1866 static void
1867 qla2xxx_slave_destroy(struct scsi_device *sdev)
1868 {
1869 	sdev->hostdata = NULL;
1870 }
1871 
1872 /**
1873  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1874  * @ha: HA context
1875  *
1876  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1877  * supported addressing method.
1878  */
1879 static void
1880 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1881 {
1882 	/* Assume a 32bit DMA mask. */
1883 	ha->flags.enable_64bit_addressing = 0;
1884 
1885 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1886 		/* Any upper-dword bits set? */
1887 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1888 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1889 			/* Ok, a 64bit DMA mask is applicable. */
1890 			ha->flags.enable_64bit_addressing = 1;
1891 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1892 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1893 			return;
1894 		}
1895 	}
1896 
1897 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1898 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1899 }
1900 
1901 static void
1902 qla2x00_enable_intrs(struct qla_hw_data *ha)
1903 {
1904 	unsigned long flags = 0;
1905 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1906 
1907 	spin_lock_irqsave(&ha->hardware_lock, flags);
1908 	ha->interrupts_on = 1;
1909 	/* enable risc and host interrupts */
1910 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1911 	rd_reg_word(&reg->ictrl);
1912 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1913 
1914 }
1915 
1916 static void
1917 qla2x00_disable_intrs(struct qla_hw_data *ha)
1918 {
1919 	unsigned long flags = 0;
1920 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1921 
1922 	spin_lock_irqsave(&ha->hardware_lock, flags);
1923 	ha->interrupts_on = 0;
1924 	/* disable risc and host interrupts */
1925 	wrt_reg_word(&reg->ictrl, 0);
1926 	rd_reg_word(&reg->ictrl);
1927 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1928 }
1929 
1930 static void
1931 qla24xx_enable_intrs(struct qla_hw_data *ha)
1932 {
1933 	unsigned long flags = 0;
1934 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1935 
1936 	spin_lock_irqsave(&ha->hardware_lock, flags);
1937 	ha->interrupts_on = 1;
1938 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
1939 	rd_reg_dword(&reg->ictrl);
1940 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1941 }
1942 
1943 static void
1944 qla24xx_disable_intrs(struct qla_hw_data *ha)
1945 {
1946 	unsigned long flags = 0;
1947 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1948 
1949 	if (IS_NOPOLLING_TYPE(ha))
1950 		return;
1951 	spin_lock_irqsave(&ha->hardware_lock, flags);
1952 	ha->interrupts_on = 0;
1953 	wrt_reg_dword(&reg->ictrl, 0);
1954 	rd_reg_dword(&reg->ictrl);
1955 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1956 }
1957 
1958 static int
1959 qla2x00_iospace_config(struct qla_hw_data *ha)
1960 {
1961 	resource_size_t pio;
1962 	uint16_t msix;
1963 
1964 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1965 	    QLA2XXX_DRIVER_NAME)) {
1966 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1967 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1968 		    pci_name(ha->pdev));
1969 		goto iospace_error_exit;
1970 	}
1971 	if (!(ha->bars & 1))
1972 		goto skip_pio;
1973 
1974 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1975 	pio = pci_resource_start(ha->pdev, 0);
1976 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1977 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1978 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1979 			    "Invalid pci I/O region size (%s).\n",
1980 			    pci_name(ha->pdev));
1981 			pio = 0;
1982 		}
1983 	} else {
1984 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1985 		    "Region #0 no a PIO resource (%s).\n",
1986 		    pci_name(ha->pdev));
1987 		pio = 0;
1988 	}
1989 	ha->pio_address = pio;
1990 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1991 	    "PIO address=%llu.\n",
1992 	    (unsigned long long)ha->pio_address);
1993 
1994 skip_pio:
1995 	/* Use MMIO operations for all accesses. */
1996 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1997 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1998 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1999 		    pci_name(ha->pdev));
2000 		goto iospace_error_exit;
2001 	}
2002 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2003 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2004 		    "Invalid PCI mem region size (%s), aborting.\n",
2005 		    pci_name(ha->pdev));
2006 		goto iospace_error_exit;
2007 	}
2008 
2009 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2010 	if (!ha->iobase) {
2011 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2012 		    "Cannot remap MMIO (%s), aborting.\n",
2013 		    pci_name(ha->pdev));
2014 		goto iospace_error_exit;
2015 	}
2016 
2017 	/* Determine queue resources */
2018 	ha->max_req_queues = ha->max_rsp_queues = 1;
2019 	ha->msix_count = QLA_BASE_VECTORS;
2020 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2021 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2022 		goto mqiobase_exit;
2023 
2024 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2025 			pci_resource_len(ha->pdev, 3));
2026 	if (ha->mqiobase) {
2027 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2028 		    "MQIO Base=%p.\n", ha->mqiobase);
2029 		/* Read MSIX vector size of the board */
2030 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2031 		ha->msix_count = msix + 1;
2032 		/* Max queues are bounded by available msix vectors */
2033 		/* MB interrupt uses 1 vector */
2034 		ha->max_req_queues = ha->msix_count - 1;
2035 		ha->max_rsp_queues = ha->max_req_queues;
2036 		/* Queue pairs is the max value minus the base queue pair */
2037 		ha->max_qpairs = ha->max_rsp_queues - 1;
2038 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2039 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2040 
2041 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2042 		    "MSI-X vector count: %d.\n", ha->msix_count);
2043 	} else
2044 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2045 		    "BAR 3 not enabled.\n");
2046 
2047 mqiobase_exit:
2048 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2049 	    "MSIX Count: %d.\n", ha->msix_count);
2050 	return (0);
2051 
2052 iospace_error_exit:
2053 	return (-ENOMEM);
2054 }
2055 
2056 
2057 static int
2058 qla83xx_iospace_config(struct qla_hw_data *ha)
2059 {
2060 	uint16_t msix;
2061 
2062 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2063 	    QLA2XXX_DRIVER_NAME)) {
2064 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2065 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2066 		    pci_name(ha->pdev));
2067 
2068 		goto iospace_error_exit;
2069 	}
2070 
2071 	/* Use MMIO operations for all accesses. */
2072 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2073 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2074 		    "Invalid pci I/O region size (%s).\n",
2075 		    pci_name(ha->pdev));
2076 		goto iospace_error_exit;
2077 	}
2078 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2079 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2080 		    "Invalid PCI mem region size (%s), aborting\n",
2081 			pci_name(ha->pdev));
2082 		goto iospace_error_exit;
2083 	}
2084 
2085 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2086 	if (!ha->iobase) {
2087 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2088 		    "Cannot remap MMIO (%s), aborting.\n",
2089 		    pci_name(ha->pdev));
2090 		goto iospace_error_exit;
2091 	}
2092 
2093 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2094 	/* 83XX 26XX always use MQ type access for queues
2095 	 * - mbar 2, a.k.a region 4 */
2096 	ha->max_req_queues = ha->max_rsp_queues = 1;
2097 	ha->msix_count = QLA_BASE_VECTORS;
2098 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2099 			pci_resource_len(ha->pdev, 4));
2100 
2101 	if (!ha->mqiobase) {
2102 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2103 		    "BAR2/region4 not enabled\n");
2104 		goto mqiobase_exit;
2105 	}
2106 
2107 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2108 			pci_resource_len(ha->pdev, 2));
2109 	if (ha->msixbase) {
2110 		/* Read MSIX vector size of the board */
2111 		pci_read_config_word(ha->pdev,
2112 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2113 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2114 		/*
2115 		 * By default, driver uses at least two msix vectors
2116 		 * (default & rspq)
2117 		 */
2118 		if (ql2xmqsupport || ql2xnvmeenable) {
2119 			/* MB interrupt uses 1 vector */
2120 			ha->max_req_queues = ha->msix_count - 1;
2121 
2122 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2123 			if (QLA_TGT_MODE_ENABLED())
2124 				ha->max_req_queues--;
2125 
2126 			ha->max_rsp_queues = ha->max_req_queues;
2127 
2128 			/* Queue pairs is the max value minus
2129 			 * the base queue pair */
2130 			ha->max_qpairs = ha->max_req_queues - 1;
2131 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2132 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2133 		}
2134 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2135 		    "MSI-X vector count: %d.\n", ha->msix_count);
2136 	} else
2137 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2138 		    "BAR 1 not enabled.\n");
2139 
2140 mqiobase_exit:
2141 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2142 	    "MSIX Count: %d.\n", ha->msix_count);
2143 	return 0;
2144 
2145 iospace_error_exit:
2146 	return -ENOMEM;
2147 }
2148 
2149 static struct isp_operations qla2100_isp_ops = {
2150 	.pci_config		= qla2100_pci_config,
2151 	.reset_chip		= qla2x00_reset_chip,
2152 	.chip_diag		= qla2x00_chip_diag,
2153 	.config_rings		= qla2x00_config_rings,
2154 	.reset_adapter		= qla2x00_reset_adapter,
2155 	.nvram_config		= qla2x00_nvram_config,
2156 	.update_fw_options	= qla2x00_update_fw_options,
2157 	.load_risc		= qla2x00_load_risc,
2158 	.pci_info_str		= qla2x00_pci_info_str,
2159 	.fw_version_str		= qla2x00_fw_version_str,
2160 	.intr_handler		= qla2100_intr_handler,
2161 	.enable_intrs		= qla2x00_enable_intrs,
2162 	.disable_intrs		= qla2x00_disable_intrs,
2163 	.abort_command		= qla2x00_abort_command,
2164 	.target_reset		= qla2x00_abort_target,
2165 	.lun_reset		= qla2x00_lun_reset,
2166 	.fabric_login		= qla2x00_login_fabric,
2167 	.fabric_logout		= qla2x00_fabric_logout,
2168 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2169 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2170 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2171 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2172 	.read_nvram		= qla2x00_read_nvram_data,
2173 	.write_nvram		= qla2x00_write_nvram_data,
2174 	.fw_dump		= qla2100_fw_dump,
2175 	.beacon_on		= NULL,
2176 	.beacon_off		= NULL,
2177 	.beacon_blink		= NULL,
2178 	.read_optrom		= qla2x00_read_optrom_data,
2179 	.write_optrom		= qla2x00_write_optrom_data,
2180 	.get_flash_version	= qla2x00_get_flash_version,
2181 	.start_scsi		= qla2x00_start_scsi,
2182 	.start_scsi_mq          = NULL,
2183 	.abort_isp		= qla2x00_abort_isp,
2184 	.iospace_config     	= qla2x00_iospace_config,
2185 	.initialize_adapter	= qla2x00_initialize_adapter,
2186 };
2187 
2188 static struct isp_operations qla2300_isp_ops = {
2189 	.pci_config		= qla2300_pci_config,
2190 	.reset_chip		= qla2x00_reset_chip,
2191 	.chip_diag		= qla2x00_chip_diag,
2192 	.config_rings		= qla2x00_config_rings,
2193 	.reset_adapter		= qla2x00_reset_adapter,
2194 	.nvram_config		= qla2x00_nvram_config,
2195 	.update_fw_options	= qla2x00_update_fw_options,
2196 	.load_risc		= qla2x00_load_risc,
2197 	.pci_info_str		= qla2x00_pci_info_str,
2198 	.fw_version_str		= qla2x00_fw_version_str,
2199 	.intr_handler		= qla2300_intr_handler,
2200 	.enable_intrs		= qla2x00_enable_intrs,
2201 	.disable_intrs		= qla2x00_disable_intrs,
2202 	.abort_command		= qla2x00_abort_command,
2203 	.target_reset		= qla2x00_abort_target,
2204 	.lun_reset		= qla2x00_lun_reset,
2205 	.fabric_login		= qla2x00_login_fabric,
2206 	.fabric_logout		= qla2x00_fabric_logout,
2207 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2208 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2209 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2210 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2211 	.read_nvram		= qla2x00_read_nvram_data,
2212 	.write_nvram		= qla2x00_write_nvram_data,
2213 	.fw_dump		= qla2300_fw_dump,
2214 	.beacon_on		= qla2x00_beacon_on,
2215 	.beacon_off		= qla2x00_beacon_off,
2216 	.beacon_blink		= qla2x00_beacon_blink,
2217 	.read_optrom		= qla2x00_read_optrom_data,
2218 	.write_optrom		= qla2x00_write_optrom_data,
2219 	.get_flash_version	= qla2x00_get_flash_version,
2220 	.start_scsi		= qla2x00_start_scsi,
2221 	.start_scsi_mq          = NULL,
2222 	.abort_isp		= qla2x00_abort_isp,
2223 	.iospace_config		= qla2x00_iospace_config,
2224 	.initialize_adapter	= qla2x00_initialize_adapter,
2225 };
2226 
2227 static struct isp_operations qla24xx_isp_ops = {
2228 	.pci_config		= qla24xx_pci_config,
2229 	.reset_chip		= qla24xx_reset_chip,
2230 	.chip_diag		= qla24xx_chip_diag,
2231 	.config_rings		= qla24xx_config_rings,
2232 	.reset_adapter		= qla24xx_reset_adapter,
2233 	.nvram_config		= qla24xx_nvram_config,
2234 	.update_fw_options	= qla24xx_update_fw_options,
2235 	.load_risc		= qla24xx_load_risc,
2236 	.pci_info_str		= qla24xx_pci_info_str,
2237 	.fw_version_str		= qla24xx_fw_version_str,
2238 	.intr_handler		= qla24xx_intr_handler,
2239 	.enable_intrs		= qla24xx_enable_intrs,
2240 	.disable_intrs		= qla24xx_disable_intrs,
2241 	.abort_command		= qla24xx_abort_command,
2242 	.target_reset		= qla24xx_abort_target,
2243 	.lun_reset		= qla24xx_lun_reset,
2244 	.fabric_login		= qla24xx_login_fabric,
2245 	.fabric_logout		= qla24xx_fabric_logout,
2246 	.calc_req_entries	= NULL,
2247 	.build_iocbs		= NULL,
2248 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2249 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2250 	.read_nvram		= qla24xx_read_nvram_data,
2251 	.write_nvram		= qla24xx_write_nvram_data,
2252 	.fw_dump		= qla24xx_fw_dump,
2253 	.beacon_on		= qla24xx_beacon_on,
2254 	.beacon_off		= qla24xx_beacon_off,
2255 	.beacon_blink		= qla24xx_beacon_blink,
2256 	.read_optrom		= qla24xx_read_optrom_data,
2257 	.write_optrom		= qla24xx_write_optrom_data,
2258 	.get_flash_version	= qla24xx_get_flash_version,
2259 	.start_scsi		= qla24xx_start_scsi,
2260 	.start_scsi_mq          = NULL,
2261 	.abort_isp		= qla2x00_abort_isp,
2262 	.iospace_config		= qla2x00_iospace_config,
2263 	.initialize_adapter	= qla2x00_initialize_adapter,
2264 };
2265 
2266 static struct isp_operations qla25xx_isp_ops = {
2267 	.pci_config		= qla25xx_pci_config,
2268 	.reset_chip		= qla24xx_reset_chip,
2269 	.chip_diag		= qla24xx_chip_diag,
2270 	.config_rings		= qla24xx_config_rings,
2271 	.reset_adapter		= qla24xx_reset_adapter,
2272 	.nvram_config		= qla24xx_nvram_config,
2273 	.update_fw_options	= qla24xx_update_fw_options,
2274 	.load_risc		= qla24xx_load_risc,
2275 	.pci_info_str		= qla24xx_pci_info_str,
2276 	.fw_version_str		= qla24xx_fw_version_str,
2277 	.intr_handler		= qla24xx_intr_handler,
2278 	.enable_intrs		= qla24xx_enable_intrs,
2279 	.disable_intrs		= qla24xx_disable_intrs,
2280 	.abort_command		= qla24xx_abort_command,
2281 	.target_reset		= qla24xx_abort_target,
2282 	.lun_reset		= qla24xx_lun_reset,
2283 	.fabric_login		= qla24xx_login_fabric,
2284 	.fabric_logout		= qla24xx_fabric_logout,
2285 	.calc_req_entries	= NULL,
2286 	.build_iocbs		= NULL,
2287 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2288 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2289 	.read_nvram		= qla25xx_read_nvram_data,
2290 	.write_nvram		= qla25xx_write_nvram_data,
2291 	.fw_dump		= qla25xx_fw_dump,
2292 	.beacon_on		= qla24xx_beacon_on,
2293 	.beacon_off		= qla24xx_beacon_off,
2294 	.beacon_blink		= qla24xx_beacon_blink,
2295 	.read_optrom		= qla25xx_read_optrom_data,
2296 	.write_optrom		= qla24xx_write_optrom_data,
2297 	.get_flash_version	= qla24xx_get_flash_version,
2298 	.start_scsi		= qla24xx_dif_start_scsi,
2299 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2300 	.abort_isp		= qla2x00_abort_isp,
2301 	.iospace_config		= qla2x00_iospace_config,
2302 	.initialize_adapter	= qla2x00_initialize_adapter,
2303 };
2304 
2305 static struct isp_operations qla81xx_isp_ops = {
2306 	.pci_config		= qla25xx_pci_config,
2307 	.reset_chip		= qla24xx_reset_chip,
2308 	.chip_diag		= qla24xx_chip_diag,
2309 	.config_rings		= qla24xx_config_rings,
2310 	.reset_adapter		= qla24xx_reset_adapter,
2311 	.nvram_config		= qla81xx_nvram_config,
2312 	.update_fw_options	= qla24xx_update_fw_options,
2313 	.load_risc		= qla81xx_load_risc,
2314 	.pci_info_str		= qla24xx_pci_info_str,
2315 	.fw_version_str		= qla24xx_fw_version_str,
2316 	.intr_handler		= qla24xx_intr_handler,
2317 	.enable_intrs		= qla24xx_enable_intrs,
2318 	.disable_intrs		= qla24xx_disable_intrs,
2319 	.abort_command		= qla24xx_abort_command,
2320 	.target_reset		= qla24xx_abort_target,
2321 	.lun_reset		= qla24xx_lun_reset,
2322 	.fabric_login		= qla24xx_login_fabric,
2323 	.fabric_logout		= qla24xx_fabric_logout,
2324 	.calc_req_entries	= NULL,
2325 	.build_iocbs		= NULL,
2326 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2327 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2328 	.read_nvram		= NULL,
2329 	.write_nvram		= NULL,
2330 	.fw_dump		= qla81xx_fw_dump,
2331 	.beacon_on		= qla24xx_beacon_on,
2332 	.beacon_off		= qla24xx_beacon_off,
2333 	.beacon_blink		= qla83xx_beacon_blink,
2334 	.read_optrom		= qla25xx_read_optrom_data,
2335 	.write_optrom		= qla24xx_write_optrom_data,
2336 	.get_flash_version	= qla24xx_get_flash_version,
2337 	.start_scsi		= qla24xx_dif_start_scsi,
2338 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2339 	.abort_isp		= qla2x00_abort_isp,
2340 	.iospace_config		= qla2x00_iospace_config,
2341 	.initialize_adapter	= qla2x00_initialize_adapter,
2342 };
2343 
2344 static struct isp_operations qla82xx_isp_ops = {
2345 	.pci_config		= qla82xx_pci_config,
2346 	.reset_chip		= qla82xx_reset_chip,
2347 	.chip_diag		= qla24xx_chip_diag,
2348 	.config_rings		= qla82xx_config_rings,
2349 	.reset_adapter		= qla24xx_reset_adapter,
2350 	.nvram_config		= qla81xx_nvram_config,
2351 	.update_fw_options	= qla24xx_update_fw_options,
2352 	.load_risc		= qla82xx_load_risc,
2353 	.pci_info_str		= qla24xx_pci_info_str,
2354 	.fw_version_str		= qla24xx_fw_version_str,
2355 	.intr_handler		= qla82xx_intr_handler,
2356 	.enable_intrs		= qla82xx_enable_intrs,
2357 	.disable_intrs		= qla82xx_disable_intrs,
2358 	.abort_command		= qla24xx_abort_command,
2359 	.target_reset		= qla24xx_abort_target,
2360 	.lun_reset		= qla24xx_lun_reset,
2361 	.fabric_login		= qla24xx_login_fabric,
2362 	.fabric_logout		= qla24xx_fabric_logout,
2363 	.calc_req_entries	= NULL,
2364 	.build_iocbs		= NULL,
2365 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2366 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2367 	.read_nvram		= qla24xx_read_nvram_data,
2368 	.write_nvram		= qla24xx_write_nvram_data,
2369 	.fw_dump		= qla82xx_fw_dump,
2370 	.beacon_on		= qla82xx_beacon_on,
2371 	.beacon_off		= qla82xx_beacon_off,
2372 	.beacon_blink		= NULL,
2373 	.read_optrom		= qla82xx_read_optrom_data,
2374 	.write_optrom		= qla82xx_write_optrom_data,
2375 	.get_flash_version	= qla82xx_get_flash_version,
2376 	.start_scsi             = qla82xx_start_scsi,
2377 	.start_scsi_mq          = NULL,
2378 	.abort_isp		= qla82xx_abort_isp,
2379 	.iospace_config     	= qla82xx_iospace_config,
2380 	.initialize_adapter	= qla2x00_initialize_adapter,
2381 };
2382 
2383 static struct isp_operations qla8044_isp_ops = {
2384 	.pci_config		= qla82xx_pci_config,
2385 	.reset_chip		= qla82xx_reset_chip,
2386 	.chip_diag		= qla24xx_chip_diag,
2387 	.config_rings		= qla82xx_config_rings,
2388 	.reset_adapter		= qla24xx_reset_adapter,
2389 	.nvram_config		= qla81xx_nvram_config,
2390 	.update_fw_options	= qla24xx_update_fw_options,
2391 	.load_risc		= qla82xx_load_risc,
2392 	.pci_info_str		= qla24xx_pci_info_str,
2393 	.fw_version_str		= qla24xx_fw_version_str,
2394 	.intr_handler		= qla8044_intr_handler,
2395 	.enable_intrs		= qla82xx_enable_intrs,
2396 	.disable_intrs		= qla82xx_disable_intrs,
2397 	.abort_command		= qla24xx_abort_command,
2398 	.target_reset		= qla24xx_abort_target,
2399 	.lun_reset		= qla24xx_lun_reset,
2400 	.fabric_login		= qla24xx_login_fabric,
2401 	.fabric_logout		= qla24xx_fabric_logout,
2402 	.calc_req_entries	= NULL,
2403 	.build_iocbs		= NULL,
2404 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2405 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2406 	.read_nvram		= NULL,
2407 	.write_nvram		= NULL,
2408 	.fw_dump		= qla8044_fw_dump,
2409 	.beacon_on		= qla82xx_beacon_on,
2410 	.beacon_off		= qla82xx_beacon_off,
2411 	.beacon_blink		= NULL,
2412 	.read_optrom		= qla8044_read_optrom_data,
2413 	.write_optrom		= qla8044_write_optrom_data,
2414 	.get_flash_version	= qla82xx_get_flash_version,
2415 	.start_scsi             = qla82xx_start_scsi,
2416 	.start_scsi_mq          = NULL,
2417 	.abort_isp		= qla8044_abort_isp,
2418 	.iospace_config		= qla82xx_iospace_config,
2419 	.initialize_adapter	= qla2x00_initialize_adapter,
2420 };
2421 
2422 static struct isp_operations qla83xx_isp_ops = {
2423 	.pci_config		= qla25xx_pci_config,
2424 	.reset_chip		= qla24xx_reset_chip,
2425 	.chip_diag		= qla24xx_chip_diag,
2426 	.config_rings		= qla24xx_config_rings,
2427 	.reset_adapter		= qla24xx_reset_adapter,
2428 	.nvram_config		= qla81xx_nvram_config,
2429 	.update_fw_options	= qla24xx_update_fw_options,
2430 	.load_risc		= qla81xx_load_risc,
2431 	.pci_info_str		= qla24xx_pci_info_str,
2432 	.fw_version_str		= qla24xx_fw_version_str,
2433 	.intr_handler		= qla24xx_intr_handler,
2434 	.enable_intrs		= qla24xx_enable_intrs,
2435 	.disable_intrs		= qla24xx_disable_intrs,
2436 	.abort_command		= qla24xx_abort_command,
2437 	.target_reset		= qla24xx_abort_target,
2438 	.lun_reset		= qla24xx_lun_reset,
2439 	.fabric_login		= qla24xx_login_fabric,
2440 	.fabric_logout		= qla24xx_fabric_logout,
2441 	.calc_req_entries	= NULL,
2442 	.build_iocbs		= NULL,
2443 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2444 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2445 	.read_nvram		= NULL,
2446 	.write_nvram		= NULL,
2447 	.fw_dump		= qla83xx_fw_dump,
2448 	.beacon_on		= qla24xx_beacon_on,
2449 	.beacon_off		= qla24xx_beacon_off,
2450 	.beacon_blink		= qla83xx_beacon_blink,
2451 	.read_optrom		= qla25xx_read_optrom_data,
2452 	.write_optrom		= qla24xx_write_optrom_data,
2453 	.get_flash_version	= qla24xx_get_flash_version,
2454 	.start_scsi		= qla24xx_dif_start_scsi,
2455 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2456 	.abort_isp		= qla2x00_abort_isp,
2457 	.iospace_config		= qla83xx_iospace_config,
2458 	.initialize_adapter	= qla2x00_initialize_adapter,
2459 };
2460 
2461 static struct isp_operations qlafx00_isp_ops = {
2462 	.pci_config		= qlafx00_pci_config,
2463 	.reset_chip		= qlafx00_soft_reset,
2464 	.chip_diag		= qlafx00_chip_diag,
2465 	.config_rings		= qlafx00_config_rings,
2466 	.reset_adapter		= qlafx00_soft_reset,
2467 	.nvram_config		= NULL,
2468 	.update_fw_options	= NULL,
2469 	.load_risc		= NULL,
2470 	.pci_info_str		= qlafx00_pci_info_str,
2471 	.fw_version_str		= qlafx00_fw_version_str,
2472 	.intr_handler		= qlafx00_intr_handler,
2473 	.enable_intrs		= qlafx00_enable_intrs,
2474 	.disable_intrs		= qlafx00_disable_intrs,
2475 	.abort_command		= qla24xx_async_abort_command,
2476 	.target_reset		= qlafx00_abort_target,
2477 	.lun_reset		= qlafx00_lun_reset,
2478 	.fabric_login		= NULL,
2479 	.fabric_logout		= NULL,
2480 	.calc_req_entries	= NULL,
2481 	.build_iocbs		= NULL,
2482 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2483 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2484 	.read_nvram		= qla24xx_read_nvram_data,
2485 	.write_nvram		= qla24xx_write_nvram_data,
2486 	.fw_dump		= NULL,
2487 	.beacon_on		= qla24xx_beacon_on,
2488 	.beacon_off		= qla24xx_beacon_off,
2489 	.beacon_blink		= NULL,
2490 	.read_optrom		= qla24xx_read_optrom_data,
2491 	.write_optrom		= qla24xx_write_optrom_data,
2492 	.get_flash_version	= qla24xx_get_flash_version,
2493 	.start_scsi		= qlafx00_start_scsi,
2494 	.start_scsi_mq          = NULL,
2495 	.abort_isp		= qlafx00_abort_isp,
2496 	.iospace_config		= qlafx00_iospace_config,
2497 	.initialize_adapter	= qlafx00_initialize_adapter,
2498 };
2499 
2500 static struct isp_operations qla27xx_isp_ops = {
2501 	.pci_config		= qla25xx_pci_config,
2502 	.reset_chip		= qla24xx_reset_chip,
2503 	.chip_diag		= qla24xx_chip_diag,
2504 	.config_rings		= qla24xx_config_rings,
2505 	.reset_adapter		= qla24xx_reset_adapter,
2506 	.nvram_config		= qla81xx_nvram_config,
2507 	.update_fw_options	= qla24xx_update_fw_options,
2508 	.load_risc		= qla81xx_load_risc,
2509 	.pci_info_str		= qla24xx_pci_info_str,
2510 	.fw_version_str		= qla24xx_fw_version_str,
2511 	.intr_handler		= qla24xx_intr_handler,
2512 	.enable_intrs		= qla24xx_enable_intrs,
2513 	.disable_intrs		= qla24xx_disable_intrs,
2514 	.abort_command		= qla24xx_abort_command,
2515 	.target_reset		= qla24xx_abort_target,
2516 	.lun_reset		= qla24xx_lun_reset,
2517 	.fabric_login		= qla24xx_login_fabric,
2518 	.fabric_logout		= qla24xx_fabric_logout,
2519 	.calc_req_entries	= NULL,
2520 	.build_iocbs		= NULL,
2521 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2522 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2523 	.read_nvram		= NULL,
2524 	.write_nvram		= NULL,
2525 	.fw_dump		= qla27xx_fwdump,
2526 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2527 	.beacon_on		= qla24xx_beacon_on,
2528 	.beacon_off		= qla24xx_beacon_off,
2529 	.beacon_blink		= qla83xx_beacon_blink,
2530 	.read_optrom		= qla25xx_read_optrom_data,
2531 	.write_optrom		= qla24xx_write_optrom_data,
2532 	.get_flash_version	= qla24xx_get_flash_version,
2533 	.start_scsi		= qla24xx_dif_start_scsi,
2534 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2535 	.abort_isp		= qla2x00_abort_isp,
2536 	.iospace_config		= qla83xx_iospace_config,
2537 	.initialize_adapter	= qla2x00_initialize_adapter,
2538 };
2539 
2540 static inline void
2541 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2542 {
2543 	ha->device_type = DT_EXTENDED_IDS;
2544 	switch (ha->pdev->device) {
2545 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2546 		ha->isp_type |= DT_ISP2100;
2547 		ha->device_type &= ~DT_EXTENDED_IDS;
2548 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2549 		break;
2550 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2551 		ha->isp_type |= DT_ISP2200;
2552 		ha->device_type &= ~DT_EXTENDED_IDS;
2553 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2554 		break;
2555 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2556 		ha->isp_type |= DT_ISP2300;
2557 		ha->device_type |= DT_ZIO_SUPPORTED;
2558 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2559 		break;
2560 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2561 		ha->isp_type |= DT_ISP2312;
2562 		ha->device_type |= DT_ZIO_SUPPORTED;
2563 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2564 		break;
2565 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2566 		ha->isp_type |= DT_ISP2322;
2567 		ha->device_type |= DT_ZIO_SUPPORTED;
2568 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2569 		    ha->pdev->subsystem_device == 0x0170)
2570 			ha->device_type |= DT_OEM_001;
2571 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2572 		break;
2573 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2574 		ha->isp_type |= DT_ISP6312;
2575 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2576 		break;
2577 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2578 		ha->isp_type |= DT_ISP6322;
2579 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2580 		break;
2581 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2582 		ha->isp_type |= DT_ISP2422;
2583 		ha->device_type |= DT_ZIO_SUPPORTED;
2584 		ha->device_type |= DT_FWI2;
2585 		ha->device_type |= DT_IIDMA;
2586 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2587 		break;
2588 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2589 		ha->isp_type |= DT_ISP2432;
2590 		ha->device_type |= DT_ZIO_SUPPORTED;
2591 		ha->device_type |= DT_FWI2;
2592 		ha->device_type |= DT_IIDMA;
2593 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2594 		break;
2595 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2596 		ha->isp_type |= DT_ISP8432;
2597 		ha->device_type |= DT_ZIO_SUPPORTED;
2598 		ha->device_type |= DT_FWI2;
2599 		ha->device_type |= DT_IIDMA;
2600 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2601 		break;
2602 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2603 		ha->isp_type |= DT_ISP5422;
2604 		ha->device_type |= DT_FWI2;
2605 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2606 		break;
2607 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2608 		ha->isp_type |= DT_ISP5432;
2609 		ha->device_type |= DT_FWI2;
2610 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2611 		break;
2612 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2613 		ha->isp_type |= DT_ISP2532;
2614 		ha->device_type |= DT_ZIO_SUPPORTED;
2615 		ha->device_type |= DT_FWI2;
2616 		ha->device_type |= DT_IIDMA;
2617 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2618 		break;
2619 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2620 		ha->isp_type |= DT_ISP8001;
2621 		ha->device_type |= DT_ZIO_SUPPORTED;
2622 		ha->device_type |= DT_FWI2;
2623 		ha->device_type |= DT_IIDMA;
2624 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2625 		break;
2626 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2627 		ha->isp_type |= DT_ISP8021;
2628 		ha->device_type |= DT_ZIO_SUPPORTED;
2629 		ha->device_type |= DT_FWI2;
2630 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2631 		/* Initialize 82XX ISP flags */
2632 		qla82xx_init_flags(ha);
2633 		break;
2634 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2635 		ha->isp_type |= DT_ISP8044;
2636 		ha->device_type |= DT_ZIO_SUPPORTED;
2637 		ha->device_type |= DT_FWI2;
2638 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2639 		/* Initialize 82XX ISP flags */
2640 		qla82xx_init_flags(ha);
2641 		break;
2642 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2643 		ha->isp_type |= DT_ISP2031;
2644 		ha->device_type |= DT_ZIO_SUPPORTED;
2645 		ha->device_type |= DT_FWI2;
2646 		ha->device_type |= DT_IIDMA;
2647 		ha->device_type |= DT_T10_PI;
2648 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2649 		break;
2650 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2651 		ha->isp_type |= DT_ISP8031;
2652 		ha->device_type |= DT_ZIO_SUPPORTED;
2653 		ha->device_type |= DT_FWI2;
2654 		ha->device_type |= DT_IIDMA;
2655 		ha->device_type |= DT_T10_PI;
2656 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2657 		break;
2658 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2659 		ha->isp_type |= DT_ISPFX00;
2660 		break;
2661 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2662 		ha->isp_type |= DT_ISP2071;
2663 		ha->device_type |= DT_ZIO_SUPPORTED;
2664 		ha->device_type |= DT_FWI2;
2665 		ha->device_type |= DT_IIDMA;
2666 		ha->device_type |= DT_T10_PI;
2667 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2668 		break;
2669 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2670 		ha->isp_type |= DT_ISP2271;
2671 		ha->device_type |= DT_ZIO_SUPPORTED;
2672 		ha->device_type |= DT_FWI2;
2673 		ha->device_type |= DT_IIDMA;
2674 		ha->device_type |= DT_T10_PI;
2675 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2676 		break;
2677 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2678 		ha->isp_type |= DT_ISP2261;
2679 		ha->device_type |= DT_ZIO_SUPPORTED;
2680 		ha->device_type |= DT_FWI2;
2681 		ha->device_type |= DT_IIDMA;
2682 		ha->device_type |= DT_T10_PI;
2683 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2684 		break;
2685 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2686 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2687 		ha->isp_type |= DT_ISP2081;
2688 		ha->device_type |= DT_ZIO_SUPPORTED;
2689 		ha->device_type |= DT_FWI2;
2690 		ha->device_type |= DT_IIDMA;
2691 		ha->device_type |= DT_T10_PI;
2692 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2693 		break;
2694 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2695 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2696 		ha->isp_type |= DT_ISP2281;
2697 		ha->device_type |= DT_ZIO_SUPPORTED;
2698 		ha->device_type |= DT_FWI2;
2699 		ha->device_type |= DT_IIDMA;
2700 		ha->device_type |= DT_T10_PI;
2701 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2702 		break;
2703 	}
2704 
2705 	if (IS_QLA82XX(ha))
2706 		ha->port_no = ha->portnum & 1;
2707 	else {
2708 		/* Get adapter physical port no from interrupt pin register. */
2709 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2710 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2711 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2712 			ha->port_no--;
2713 		else
2714 			ha->port_no = !(ha->port_no & 1);
2715 	}
2716 
2717 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2718 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2719 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2720 }
2721 
2722 static void
2723 qla2xxx_scan_start(struct Scsi_Host *shost)
2724 {
2725 	scsi_qla_host_t *vha = shost_priv(shost);
2726 
2727 	if (vha->hw->flags.running_gold_fw)
2728 		return;
2729 
2730 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2731 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2732 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2733 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2734 }
2735 
2736 static int
2737 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2738 {
2739 	scsi_qla_host_t *vha = shost_priv(shost);
2740 
2741 	if (test_bit(UNLOADING, &vha->dpc_flags))
2742 		return 1;
2743 	if (!vha->host)
2744 		return 1;
2745 	if (time > vha->hw->loop_reset_delay * HZ)
2746 		return 1;
2747 
2748 	return atomic_read(&vha->loop_state) == LOOP_READY;
2749 }
2750 
2751 static void qla2x00_iocb_work_fn(struct work_struct *work)
2752 {
2753 	struct scsi_qla_host *vha = container_of(work,
2754 		struct scsi_qla_host, iocb_work);
2755 	struct qla_hw_data *ha = vha->hw;
2756 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2757 	int i = 2;
2758 	unsigned long flags;
2759 
2760 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2761 		return;
2762 
2763 	while (!list_empty(&vha->work_list) && i > 0) {
2764 		qla2x00_do_work(vha);
2765 		i--;
2766 	}
2767 
2768 	spin_lock_irqsave(&vha->work_lock, flags);
2769 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2770 	spin_unlock_irqrestore(&vha->work_lock, flags);
2771 }
2772 
2773 /*
2774  * PCI driver interface
2775  */
2776 static int
2777 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2778 {
2779 	int	ret = -ENODEV;
2780 	struct Scsi_Host *host;
2781 	scsi_qla_host_t *base_vha = NULL;
2782 	struct qla_hw_data *ha;
2783 	char pci_info[30];
2784 	char fw_str[30], wq_name[30];
2785 	struct scsi_host_template *sht;
2786 	int bars, mem_only = 0;
2787 	uint16_t req_length = 0, rsp_length = 0;
2788 	struct req_que *req = NULL;
2789 	struct rsp_que *rsp = NULL;
2790 	int i;
2791 
2792 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2793 	sht = &qla2xxx_driver_template;
2794 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2795 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2796 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2797 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2798 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2799 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2800 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2801 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2802 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2803 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2804 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2805 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2806 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2807 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2808 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2809 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2810 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2811 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2812 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2813 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2814 		mem_only = 1;
2815 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2816 		    "Mem only adapter.\n");
2817 	}
2818 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2819 	    "Bars=%d.\n", bars);
2820 
2821 	if (mem_only) {
2822 		if (pci_enable_device_mem(pdev))
2823 			return ret;
2824 	} else {
2825 		if (pci_enable_device(pdev))
2826 			return ret;
2827 	}
2828 
2829 	/* This may fail but that's ok */
2830 	pci_enable_pcie_error_reporting(pdev);
2831 
2832 	/* Turn off T10-DIF when FC-NVMe is enabled */
2833 	if (ql2xnvmeenable)
2834 		ql2xenabledif = 0;
2835 
2836 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2837 	if (!ha) {
2838 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2839 		    "Unable to allocate memory for ha.\n");
2840 		goto disable_device;
2841 	}
2842 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2843 	    "Memory allocated for ha=%p.\n", ha);
2844 	ha->pdev = pdev;
2845 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2846 	spin_lock_init(&ha->tgt.q_full_lock);
2847 	spin_lock_init(&ha->tgt.sess_lock);
2848 	spin_lock_init(&ha->tgt.atio_lock);
2849 
2850 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2851 
2852 	/* Clear our data area */
2853 	ha->bars = bars;
2854 	ha->mem_only = mem_only;
2855 	spin_lock_init(&ha->hardware_lock);
2856 	spin_lock_init(&ha->vport_slock);
2857 	mutex_init(&ha->selflogin_lock);
2858 	mutex_init(&ha->optrom_mutex);
2859 
2860 	/* Set ISP-type information. */
2861 	qla2x00_set_isp_flags(ha);
2862 
2863 	/* Set EEH reset type to fundamental if required by hba */
2864 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2865 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2866 		pdev->needs_freset = 1;
2867 
2868 	ha->prev_topology = 0;
2869 	ha->init_cb_size = sizeof(init_cb_t);
2870 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2871 	ha->optrom_size = OPTROM_SIZE_2300;
2872 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2873 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2874 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2875 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2876 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2877 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2878 
2879 	/* Assign ISP specific operations. */
2880 	if (IS_QLA2100(ha)) {
2881 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2882 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2883 		req_length = REQUEST_ENTRY_CNT_2100;
2884 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2885 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2886 		ha->gid_list_info_size = 4;
2887 		ha->flash_conf_off = ~0;
2888 		ha->flash_data_off = ~0;
2889 		ha->nvram_conf_off = ~0;
2890 		ha->nvram_data_off = ~0;
2891 		ha->isp_ops = &qla2100_isp_ops;
2892 	} else if (IS_QLA2200(ha)) {
2893 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2894 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2895 		req_length = REQUEST_ENTRY_CNT_2200;
2896 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2897 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2898 		ha->gid_list_info_size = 4;
2899 		ha->flash_conf_off = ~0;
2900 		ha->flash_data_off = ~0;
2901 		ha->nvram_conf_off = ~0;
2902 		ha->nvram_data_off = ~0;
2903 		ha->isp_ops = &qla2100_isp_ops;
2904 	} else if (IS_QLA23XX(ha)) {
2905 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2906 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2907 		req_length = REQUEST_ENTRY_CNT_2200;
2908 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2909 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2910 		ha->gid_list_info_size = 6;
2911 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2912 			ha->optrom_size = OPTROM_SIZE_2322;
2913 		ha->flash_conf_off = ~0;
2914 		ha->flash_data_off = ~0;
2915 		ha->nvram_conf_off = ~0;
2916 		ha->nvram_data_off = ~0;
2917 		ha->isp_ops = &qla2300_isp_ops;
2918 	} else if (IS_QLA24XX_TYPE(ha)) {
2919 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2920 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2921 		req_length = REQUEST_ENTRY_CNT_24XX;
2922 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2923 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2924 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2925 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2926 		ha->gid_list_info_size = 8;
2927 		ha->optrom_size = OPTROM_SIZE_24XX;
2928 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2929 		ha->isp_ops = &qla24xx_isp_ops;
2930 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2931 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2932 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2933 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2934 	} else if (IS_QLA25XX(ha)) {
2935 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2936 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2937 		req_length = REQUEST_ENTRY_CNT_24XX;
2938 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2939 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2940 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2941 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2942 		ha->gid_list_info_size = 8;
2943 		ha->optrom_size = OPTROM_SIZE_25XX;
2944 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2945 		ha->isp_ops = &qla25xx_isp_ops;
2946 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2947 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2948 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2949 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2950 	} else if (IS_QLA81XX(ha)) {
2951 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2952 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2953 		req_length = REQUEST_ENTRY_CNT_24XX;
2954 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2955 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2956 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2957 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2958 		ha->gid_list_info_size = 8;
2959 		ha->optrom_size = OPTROM_SIZE_81XX;
2960 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2961 		ha->isp_ops = &qla81xx_isp_ops;
2962 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2963 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2964 		ha->nvram_conf_off = ~0;
2965 		ha->nvram_data_off = ~0;
2966 	} else if (IS_QLA82XX(ha)) {
2967 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2968 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2969 		req_length = REQUEST_ENTRY_CNT_82XX;
2970 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2971 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2972 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2973 		ha->gid_list_info_size = 8;
2974 		ha->optrom_size = OPTROM_SIZE_82XX;
2975 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2976 		ha->isp_ops = &qla82xx_isp_ops;
2977 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2978 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2979 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2980 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2981 	} else if (IS_QLA8044(ha)) {
2982 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2983 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2984 		req_length = REQUEST_ENTRY_CNT_82XX;
2985 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2986 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2987 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2988 		ha->gid_list_info_size = 8;
2989 		ha->optrom_size = OPTROM_SIZE_83XX;
2990 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2991 		ha->isp_ops = &qla8044_isp_ops;
2992 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2993 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2994 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2995 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2996 	} else if (IS_QLA83XX(ha)) {
2997 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2998 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2999 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3000 		req_length = REQUEST_ENTRY_CNT_83XX;
3001 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3002 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3003 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3004 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3005 		ha->gid_list_info_size = 8;
3006 		ha->optrom_size = OPTROM_SIZE_83XX;
3007 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3008 		ha->isp_ops = &qla83xx_isp_ops;
3009 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3010 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3011 		ha->nvram_conf_off = ~0;
3012 		ha->nvram_data_off = ~0;
3013 	}  else if (IS_QLAFX00(ha)) {
3014 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3015 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3016 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3017 		req_length = REQUEST_ENTRY_CNT_FX00;
3018 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3019 		ha->isp_ops = &qlafx00_isp_ops;
3020 		ha->port_down_retry_count = 30; /* default value */
3021 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3022 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3023 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3024 		ha->mr.fw_hbt_en = 1;
3025 		ha->mr.host_info_resend = false;
3026 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3027 	} else if (IS_QLA27XX(ha)) {
3028 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3029 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3030 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3031 		req_length = REQUEST_ENTRY_CNT_83XX;
3032 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3033 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3034 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3035 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3036 		ha->gid_list_info_size = 8;
3037 		ha->optrom_size = OPTROM_SIZE_83XX;
3038 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3039 		ha->isp_ops = &qla27xx_isp_ops;
3040 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3041 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3042 		ha->nvram_conf_off = ~0;
3043 		ha->nvram_data_off = ~0;
3044 	} else if (IS_QLA28XX(ha)) {
3045 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3046 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3047 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3048 		req_length = REQUEST_ENTRY_CNT_24XX;
3049 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3050 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3051 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3052 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3053 		ha->gid_list_info_size = 8;
3054 		ha->optrom_size = OPTROM_SIZE_28XX;
3055 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3056 		ha->isp_ops = &qla27xx_isp_ops;
3057 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3058 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3059 		ha->nvram_conf_off = ~0;
3060 		ha->nvram_data_off = ~0;
3061 	}
3062 
3063 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3064 	    "mbx_count=%d, req_length=%d, "
3065 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3066 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3067 	    "max_fibre_devices=%d.\n",
3068 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3069 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3070 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3071 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3072 	    "isp_ops=%p, flash_conf_off=%d, "
3073 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3074 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3075 	    ha->nvram_conf_off, ha->nvram_data_off);
3076 
3077 	/* Configure PCI I/O space */
3078 	ret = ha->isp_ops->iospace_config(ha);
3079 	if (ret)
3080 		goto iospace_config_failed;
3081 
3082 	ql_log_pci(ql_log_info, pdev, 0x001d,
3083 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3084 	    pdev->device, pdev->irq, ha->iobase);
3085 	mutex_init(&ha->vport_lock);
3086 	mutex_init(&ha->mq_lock);
3087 	init_completion(&ha->mbx_cmd_comp);
3088 	complete(&ha->mbx_cmd_comp);
3089 	init_completion(&ha->mbx_intr_comp);
3090 	init_completion(&ha->dcbx_comp);
3091 	init_completion(&ha->lb_portup_comp);
3092 
3093 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3094 
3095 	qla2x00_config_dma_addressing(ha);
3096 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3097 	    "64 Bit addressing is %s.\n",
3098 	    ha->flags.enable_64bit_addressing ? "enable" :
3099 	    "disable");
3100 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3101 	if (ret) {
3102 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3103 		    "Failed to allocate memory for adapter, aborting.\n");
3104 
3105 		goto probe_hw_failed;
3106 	}
3107 
3108 	req->max_q_depth = MAX_Q_DEPTH;
3109 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3110 		req->max_q_depth = ql2xmaxqdepth;
3111 
3112 
3113 	base_vha = qla2x00_create_host(sht, ha);
3114 	if (!base_vha) {
3115 		ret = -ENOMEM;
3116 		goto probe_hw_failed;
3117 	}
3118 
3119 	pci_set_drvdata(pdev, base_vha);
3120 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3121 
3122 	host = base_vha->host;
3123 	base_vha->req = req;
3124 	if (IS_QLA2XXX_MIDTYPE(ha))
3125 		base_vha->mgmt_svr_loop_id =
3126 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3127 	else
3128 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3129 						base_vha->vp_idx;
3130 
3131 	/* Setup fcport template structure. */
3132 	ha->mr.fcport.vha = base_vha;
3133 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3134 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3135 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3136 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3137 	ha->mr.fcport.scan_state = 1;
3138 
3139 	/* Set the SG table size based on ISP type */
3140 	if (!IS_FWI2_CAPABLE(ha)) {
3141 		if (IS_QLA2100(ha))
3142 			host->sg_tablesize = 32;
3143 	} else {
3144 		if (!IS_QLA82XX(ha))
3145 			host->sg_tablesize = QLA_SG_ALL;
3146 	}
3147 	host->max_id = ha->max_fibre_devices;
3148 	host->cmd_per_lun = 3;
3149 	host->unique_id = host->host_no;
3150 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3151 		host->max_cmd_len = 32;
3152 	else
3153 		host->max_cmd_len = MAX_CMDSZ;
3154 	host->max_channel = MAX_BUSES - 1;
3155 	/* Older HBAs support only 16-bit LUNs */
3156 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3157 	    ql2xmaxlun > 0xffff)
3158 		host->max_lun = 0xffff;
3159 	else
3160 		host->max_lun = ql2xmaxlun;
3161 	host->transportt = qla2xxx_transport_template;
3162 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3163 
3164 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3165 	    "max_id=%d this_id=%d "
3166 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3167 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3168 	    host->this_id, host->cmd_per_lun, host->unique_id,
3169 	    host->max_cmd_len, host->max_channel, host->max_lun,
3170 	    host->transportt, sht->vendor_id);
3171 
3172 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3173 
3174 	/* Set up the irqs */
3175 	ret = qla2x00_request_irqs(ha, rsp);
3176 	if (ret)
3177 		goto probe_failed;
3178 
3179 	/* Alloc arrays of request and response ring ptrs */
3180 	ret = qla2x00_alloc_queues(ha, req, rsp);
3181 	if (ret) {
3182 		ql_log(ql_log_fatal, base_vha, 0x003d,
3183 		    "Failed to allocate memory for queue pointers..."
3184 		    "aborting.\n");
3185 		ret = -ENODEV;
3186 		goto probe_failed;
3187 	}
3188 
3189 	if (ha->mqenable) {
3190 		/* number of hardware queues supported by blk/scsi-mq*/
3191 		host->nr_hw_queues = ha->max_qpairs;
3192 
3193 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3194 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3195 	} else {
3196 		if (ql2xnvmeenable) {
3197 			host->nr_hw_queues = ha->max_qpairs;
3198 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3199 			    "FC-NVMe support is enabled, HW queues=%d\n",
3200 			    host->nr_hw_queues);
3201 		} else {
3202 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3203 			    "blk/scsi-mq disabled.\n");
3204 		}
3205 	}
3206 
3207 	qlt_probe_one_stage1(base_vha, ha);
3208 
3209 	pci_save_state(pdev);
3210 
3211 	/* Assign back pointers */
3212 	rsp->req = req;
3213 	req->rsp = rsp;
3214 
3215 	if (IS_QLAFX00(ha)) {
3216 		ha->rsp_q_map[0] = rsp;
3217 		ha->req_q_map[0] = req;
3218 		set_bit(0, ha->req_qid_map);
3219 		set_bit(0, ha->rsp_qid_map);
3220 	}
3221 
3222 	/* FWI2-capable only. */
3223 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3224 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3225 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3226 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3227 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3228 	    IS_QLA28XX(ha)) {
3229 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3230 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3231 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3232 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3233 	}
3234 
3235 	if (IS_QLAFX00(ha)) {
3236 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3237 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3238 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3239 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3240 	}
3241 
3242 	if (IS_P3P_TYPE(ha)) {
3243 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3244 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3245 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3246 	}
3247 
3248 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3249 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3250 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3251 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3252 	    "req->req_q_in=%p req->req_q_out=%p "
3253 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3254 	    req->req_q_in, req->req_q_out,
3255 	    rsp->rsp_q_in, rsp->rsp_q_out);
3256 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3257 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3258 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3259 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3260 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3261 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3262 
3263 	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3264 	if (unlikely(!ha->wq)) {
3265 		ret = -ENOMEM;
3266 		goto probe_failed;
3267 	}
3268 
3269 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3270 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3271 		    "Failed to initialize adapter - Adapter flags %x.\n",
3272 		    base_vha->device_flags);
3273 
3274 		if (IS_QLA82XX(ha)) {
3275 			qla82xx_idc_lock(ha);
3276 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3277 				QLA8XXX_DEV_FAILED);
3278 			qla82xx_idc_unlock(ha);
3279 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3280 			    "HW State: FAILED.\n");
3281 		} else if (IS_QLA8044(ha)) {
3282 			qla8044_idc_lock(ha);
3283 			qla8044_wr_direct(base_vha,
3284 				QLA8044_CRB_DEV_STATE_INDEX,
3285 				QLA8XXX_DEV_FAILED);
3286 			qla8044_idc_unlock(ha);
3287 			ql_log(ql_log_fatal, base_vha, 0x0150,
3288 			    "HW State: FAILED.\n");
3289 		}
3290 
3291 		ret = -ENODEV;
3292 		goto probe_failed;
3293 	}
3294 
3295 	if (IS_QLAFX00(ha))
3296 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3297 	else
3298 		host->can_queue = req->num_outstanding_cmds - 10;
3299 
3300 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3301 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3302 	    host->can_queue, base_vha->req,
3303 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3304 
3305 	if (ha->mqenable) {
3306 		bool startit = false;
3307 
3308 		if (QLA_TGT_MODE_ENABLED())
3309 			startit = false;
3310 
3311 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3312 			startit = true;
3313 
3314 		/* Create start of day qpairs for Block MQ */
3315 		for (i = 0; i < ha->max_qpairs; i++)
3316 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3317 	}
3318 
3319 	if (ha->flags.running_gold_fw)
3320 		goto skip_dpc;
3321 
3322 	/*
3323 	 * Startup the kernel thread for this host adapter
3324 	 */
3325 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3326 	    "%s_dpc", base_vha->host_str);
3327 	if (IS_ERR(ha->dpc_thread)) {
3328 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3329 		    "Failed to start DPC thread.\n");
3330 		ret = PTR_ERR(ha->dpc_thread);
3331 		ha->dpc_thread = NULL;
3332 		goto probe_failed;
3333 	}
3334 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3335 	    "DPC thread started successfully.\n");
3336 
3337 	/*
3338 	 * If we're not coming up in initiator mode, we might sit for
3339 	 * a while without waking up the dpc thread, which leads to a
3340 	 * stuck process warning.  So just kick the dpc once here and
3341 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3342 	 */
3343 	qla2xxx_wake_dpc(base_vha);
3344 
3345 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3346 
3347 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3348 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3349 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3350 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3351 
3352 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3353 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3354 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3355 		INIT_WORK(&ha->idc_state_handler,
3356 		    qla83xx_idc_state_handler_work);
3357 		INIT_WORK(&ha->nic_core_unrecoverable,
3358 		    qla83xx_nic_core_unrecoverable_work);
3359 	}
3360 
3361 skip_dpc:
3362 	list_add_tail(&base_vha->list, &ha->vp_list);
3363 	base_vha->host->irq = ha->pdev->irq;
3364 
3365 	/* Initialized the timer */
3366 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3367 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3368 	    "Started qla2x00_timer with "
3369 	    "interval=%d.\n", WATCH_INTERVAL);
3370 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3371 	    "Detected hba at address=%p.\n",
3372 	    ha);
3373 
3374 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3375 		if (ha->fw_attributes & BIT_4) {
3376 			int prot = 0, guard;
3377 
3378 			base_vha->flags.difdix_supported = 1;
3379 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3380 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3381 			if (ql2xenabledif == 1)
3382 				prot = SHOST_DIX_TYPE0_PROTECTION;
3383 			if (ql2xprotmask)
3384 				scsi_host_set_prot(host, ql2xprotmask);
3385 			else
3386 				scsi_host_set_prot(host,
3387 				    prot | SHOST_DIF_TYPE1_PROTECTION
3388 				    | SHOST_DIF_TYPE2_PROTECTION
3389 				    | SHOST_DIF_TYPE3_PROTECTION
3390 				    | SHOST_DIX_TYPE1_PROTECTION
3391 				    | SHOST_DIX_TYPE2_PROTECTION
3392 				    | SHOST_DIX_TYPE3_PROTECTION);
3393 
3394 			guard = SHOST_DIX_GUARD_CRC;
3395 
3396 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3397 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3398 				guard |= SHOST_DIX_GUARD_IP;
3399 
3400 			if (ql2xprotguard)
3401 				scsi_host_set_guard(host, ql2xprotguard);
3402 			else
3403 				scsi_host_set_guard(host, guard);
3404 		} else
3405 			base_vha->flags.difdix_supported = 0;
3406 	}
3407 
3408 	ha->isp_ops->enable_intrs(ha);
3409 
3410 	if (IS_QLAFX00(ha)) {
3411 		ret = qlafx00_fx_disc(base_vha,
3412 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3413 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3414 		    QLA_SG_ALL : 128;
3415 	}
3416 
3417 	ret = scsi_add_host(host, &pdev->dev);
3418 	if (ret)
3419 		goto probe_failed;
3420 
3421 	base_vha->flags.init_done = 1;
3422 	base_vha->flags.online = 1;
3423 	ha->prev_minidump_failed = 0;
3424 
3425 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3426 	    "Init done and hba is online.\n");
3427 
3428 	if (qla_ini_mode_enabled(base_vha) ||
3429 		qla_dual_mode_enabled(base_vha))
3430 		scsi_scan_host(host);
3431 	else
3432 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3433 			"skipping scsi_scan_host() for non-initiator port\n");
3434 
3435 	qla2x00_alloc_sysfs_attr(base_vha);
3436 
3437 	if (IS_QLAFX00(ha)) {
3438 		ret = qlafx00_fx_disc(base_vha,
3439 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3440 
3441 		/* Register system information */
3442 		ret =  qlafx00_fx_disc(base_vha,
3443 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3444 	}
3445 
3446 	qla2x00_init_host_attr(base_vha);
3447 
3448 	qla2x00_dfs_setup(base_vha);
3449 
3450 	ql_log(ql_log_info, base_vha, 0x00fb,
3451 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3452 	ql_log(ql_log_info, base_vha, 0x00fc,
3453 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3454 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3455 						       sizeof(pci_info)),
3456 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3457 	    base_vha->host_no,
3458 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3459 
3460 	qlt_add_target(ha, base_vha);
3461 
3462 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3463 
3464 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3465 		return -ENODEV;
3466 
3467 	return 0;
3468 
3469 probe_failed:
3470 	if (base_vha->gnl.l) {
3471 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3472 				base_vha->gnl.l, base_vha->gnl.ldma);
3473 		base_vha->gnl.l = NULL;
3474 	}
3475 
3476 	if (base_vha->timer_active)
3477 		qla2x00_stop_timer(base_vha);
3478 	base_vha->flags.online = 0;
3479 	if (ha->dpc_thread) {
3480 		struct task_struct *t = ha->dpc_thread;
3481 
3482 		ha->dpc_thread = NULL;
3483 		kthread_stop(t);
3484 	}
3485 
3486 	qla2x00_free_device(base_vha);
3487 	scsi_host_put(base_vha->host);
3488 	/*
3489 	 * Need to NULL out local req/rsp after
3490 	 * qla2x00_free_device => qla2x00_free_queues frees
3491 	 * what these are pointing to. Or else we'll
3492 	 * fall over below in qla2x00_free_req/rsp_que.
3493 	 */
3494 	req = NULL;
3495 	rsp = NULL;
3496 
3497 probe_hw_failed:
3498 	qla2x00_mem_free(ha);
3499 	qla2x00_free_req_que(ha, req);
3500 	qla2x00_free_rsp_que(ha, rsp);
3501 	qla2x00_clear_drv_active(ha);
3502 
3503 iospace_config_failed:
3504 	if (IS_P3P_TYPE(ha)) {
3505 		if (!ha->nx_pcibase)
3506 			iounmap((device_reg_t *)ha->nx_pcibase);
3507 		if (!ql2xdbwr)
3508 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3509 	} else {
3510 		if (ha->iobase)
3511 			iounmap(ha->iobase);
3512 		if (ha->cregbase)
3513 			iounmap(ha->cregbase);
3514 	}
3515 	pci_release_selected_regions(ha->pdev, ha->bars);
3516 	kfree(ha);
3517 
3518 disable_device:
3519 	pci_disable_device(pdev);
3520 	return ret;
3521 }
3522 
3523 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3524 {
3525 	scsi_qla_host_t *vp;
3526 	unsigned long flags;
3527 	struct qla_hw_data *ha;
3528 
3529 	if (!base_vha)
3530 		return;
3531 
3532 	ha = base_vha->hw;
3533 
3534 	spin_lock_irqsave(&ha->vport_slock, flags);
3535 	list_for_each_entry(vp, &ha->vp_list, list)
3536 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3537 
3538 	/*
3539 	 * Indicate device removal to prevent future board_disable
3540 	 * and wait until any pending board_disable has completed.
3541 	 */
3542 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3543 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3544 }
3545 
3546 static void
3547 qla2x00_shutdown(struct pci_dev *pdev)
3548 {
3549 	scsi_qla_host_t *vha;
3550 	struct qla_hw_data  *ha;
3551 
3552 	vha = pci_get_drvdata(pdev);
3553 	ha = vha->hw;
3554 
3555 	ql_log(ql_log_info, vha, 0xfffa,
3556 		"Adapter shutdown\n");
3557 
3558 	/*
3559 	 * Prevent future board_disable and wait
3560 	 * until any pending board_disable has completed.
3561 	 */
3562 	__qla_set_remove_flag(vha);
3563 	cancel_work_sync(&ha->board_disable);
3564 
3565 	if (!atomic_read(&pdev->enable_cnt))
3566 		return;
3567 
3568 	/* Notify ISPFX00 firmware */
3569 	if (IS_QLAFX00(ha))
3570 		qlafx00_driver_shutdown(vha, 20);
3571 
3572 	/* Turn-off FCE trace */
3573 	if (ha->flags.fce_enabled) {
3574 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3575 		ha->flags.fce_enabled = 0;
3576 	}
3577 
3578 	/* Turn-off EFT trace */
3579 	if (ha->eft)
3580 		qla2x00_disable_eft_trace(vha);
3581 
3582 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3583 	    IS_QLA28XX(ha)) {
3584 		if (ha->flags.fw_started)
3585 			qla2x00_abort_isp_cleanup(vha);
3586 	} else {
3587 		/* Stop currently executing firmware. */
3588 		qla2x00_try_to_stop_firmware(vha);
3589 	}
3590 
3591 	/* Disable timer */
3592 	if (vha->timer_active)
3593 		qla2x00_stop_timer(vha);
3594 
3595 	/* Turn adapter off line */
3596 	vha->flags.online = 0;
3597 
3598 	/* turn-off interrupts on the card */
3599 	if (ha->interrupts_on) {
3600 		vha->flags.init_done = 0;
3601 		ha->isp_ops->disable_intrs(ha);
3602 	}
3603 
3604 	qla2x00_free_irqs(vha);
3605 
3606 	qla2x00_free_fw_dump(ha);
3607 
3608 	pci_disable_device(pdev);
3609 	ql_log(ql_log_info, vha, 0xfffe,
3610 		"Adapter shutdown successfully.\n");
3611 }
3612 
3613 /* Deletes all the virtual ports for a given ha */
3614 static void
3615 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3616 {
3617 	scsi_qla_host_t *vha;
3618 	unsigned long flags;
3619 
3620 	mutex_lock(&ha->vport_lock);
3621 	while (ha->cur_vport_count) {
3622 		spin_lock_irqsave(&ha->vport_slock, flags);
3623 
3624 		BUG_ON(base_vha->list.next == &ha->vp_list);
3625 		/* This assumes first entry in ha->vp_list is always base vha */
3626 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3627 		scsi_host_get(vha->host);
3628 
3629 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3630 		mutex_unlock(&ha->vport_lock);
3631 
3632 		qla_nvme_delete(vha);
3633 
3634 		fc_vport_terminate(vha->fc_vport);
3635 		scsi_host_put(vha->host);
3636 
3637 		mutex_lock(&ha->vport_lock);
3638 	}
3639 	mutex_unlock(&ha->vport_lock);
3640 }
3641 
3642 /* Stops all deferred work threads */
3643 static void
3644 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3645 {
3646 	/* Cancel all work and destroy DPC workqueues */
3647 	if (ha->dpc_lp_wq) {
3648 		cancel_work_sync(&ha->idc_aen);
3649 		destroy_workqueue(ha->dpc_lp_wq);
3650 		ha->dpc_lp_wq = NULL;
3651 	}
3652 
3653 	if (ha->dpc_hp_wq) {
3654 		cancel_work_sync(&ha->nic_core_reset);
3655 		cancel_work_sync(&ha->idc_state_handler);
3656 		cancel_work_sync(&ha->nic_core_unrecoverable);
3657 		destroy_workqueue(ha->dpc_hp_wq);
3658 		ha->dpc_hp_wq = NULL;
3659 	}
3660 
3661 	/* Kill the kernel thread for this host */
3662 	if (ha->dpc_thread) {
3663 		struct task_struct *t = ha->dpc_thread;
3664 
3665 		/*
3666 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3667 		 * so we need to zero it out.
3668 		 */
3669 		ha->dpc_thread = NULL;
3670 		kthread_stop(t);
3671 	}
3672 }
3673 
3674 static void
3675 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3676 {
3677 	if (IS_QLA82XX(ha)) {
3678 
3679 		iounmap((device_reg_t *)ha->nx_pcibase);
3680 		if (!ql2xdbwr)
3681 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3682 	} else {
3683 		if (ha->iobase)
3684 			iounmap(ha->iobase);
3685 
3686 		if (ha->cregbase)
3687 			iounmap(ha->cregbase);
3688 
3689 		if (ha->mqiobase)
3690 			iounmap(ha->mqiobase);
3691 
3692 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
3693 		    ha->msixbase)
3694 			iounmap(ha->msixbase);
3695 	}
3696 }
3697 
3698 static void
3699 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3700 {
3701 	if (IS_QLA8044(ha)) {
3702 		qla8044_idc_lock(ha);
3703 		qla8044_clear_drv_active(ha);
3704 		qla8044_idc_unlock(ha);
3705 	} else if (IS_QLA82XX(ha)) {
3706 		qla82xx_idc_lock(ha);
3707 		qla82xx_clear_drv_active(ha);
3708 		qla82xx_idc_unlock(ha);
3709 	}
3710 }
3711 
3712 static void
3713 qla2x00_remove_one(struct pci_dev *pdev)
3714 {
3715 	scsi_qla_host_t *base_vha;
3716 	struct qla_hw_data  *ha;
3717 
3718 	base_vha = pci_get_drvdata(pdev);
3719 	ha = base_vha->hw;
3720 	ql_log(ql_log_info, base_vha, 0xb079,
3721 	    "Removing driver\n");
3722 	__qla_set_remove_flag(base_vha);
3723 	cancel_work_sync(&ha->board_disable);
3724 
3725 	/*
3726 	 * If the PCI device is disabled then there was a PCI-disconnect and
3727 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3728 	 * resources.
3729 	 */
3730 	if (!atomic_read(&pdev->enable_cnt)) {
3731 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3732 		    base_vha->gnl.l, base_vha->gnl.ldma);
3733 		base_vha->gnl.l = NULL;
3734 		scsi_host_put(base_vha->host);
3735 		kfree(ha);
3736 		pci_set_drvdata(pdev, NULL);
3737 		return;
3738 	}
3739 	qla2x00_wait_for_hba_ready(base_vha);
3740 
3741 	/*
3742 	 * if UNLOADING flag is already set, then continue unload,
3743 	 * where it was set first.
3744 	 */
3745 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3746 		return;
3747 
3748 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3749 	    IS_QLA28XX(ha)) {
3750 		if (ha->flags.fw_started)
3751 			qla2x00_abort_isp_cleanup(base_vha);
3752 	} else if (!IS_QLAFX00(ha)) {
3753 		if (IS_QLA8031(ha)) {
3754 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3755 			    "Clearing fcoe driver presence.\n");
3756 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3757 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3758 				    "Error while clearing DRV-Presence.\n");
3759 		}
3760 
3761 		qla2x00_try_to_stop_firmware(base_vha);
3762 	}
3763 
3764 	qla2x00_wait_for_sess_deletion(base_vha);
3765 
3766 	qla_nvme_delete(base_vha);
3767 
3768 	dma_free_coherent(&ha->pdev->dev,
3769 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3770 
3771 	base_vha->gnl.l = NULL;
3772 
3773 	vfree(base_vha->scan.l);
3774 
3775 	if (IS_QLAFX00(ha))
3776 		qlafx00_driver_shutdown(base_vha, 20);
3777 
3778 	qla2x00_delete_all_vps(ha, base_vha);
3779 
3780 	qla2x00_dfs_remove(base_vha);
3781 
3782 	qla84xx_put_chip(base_vha);
3783 
3784 	/* Disable timer */
3785 	if (base_vha->timer_active)
3786 		qla2x00_stop_timer(base_vha);
3787 
3788 	base_vha->flags.online = 0;
3789 
3790 	/* free DMA memory */
3791 	if (ha->exlogin_buf)
3792 		qla2x00_free_exlogin_buffer(ha);
3793 
3794 	/* free DMA memory */
3795 	if (ha->exchoffld_buf)
3796 		qla2x00_free_exchoffld_buffer(ha);
3797 
3798 	qla2x00_destroy_deferred_work(ha);
3799 
3800 	qlt_remove_target(ha, base_vha);
3801 
3802 	qla2x00_free_sysfs_attr(base_vha, true);
3803 
3804 	fc_remove_host(base_vha->host);
3805 	qlt_remove_target_resources(ha);
3806 
3807 	scsi_remove_host(base_vha->host);
3808 
3809 	qla2x00_free_device(base_vha);
3810 
3811 	qla2x00_clear_drv_active(ha);
3812 
3813 	scsi_host_put(base_vha->host);
3814 
3815 	qla2x00_unmap_iobases(ha);
3816 
3817 	pci_release_selected_regions(ha->pdev, ha->bars);
3818 	kfree(ha);
3819 
3820 	pci_disable_pcie_error_reporting(pdev);
3821 
3822 	pci_disable_device(pdev);
3823 }
3824 
3825 static inline void
3826 qla24xx_free_purex_list(struct purex_list *list)
3827 {
3828 	struct list_head *item, *next;
3829 	ulong flags;
3830 
3831 	spin_lock_irqsave(&list->lock, flags);
3832 	list_for_each_safe(item, next, &list->head) {
3833 		list_del(item);
3834 		kfree(list_entry(item, struct purex_item, list));
3835 	}
3836 	spin_unlock_irqrestore(&list->lock, flags);
3837 }
3838 
3839 static void
3840 qla2x00_free_device(scsi_qla_host_t *vha)
3841 {
3842 	struct qla_hw_data *ha = vha->hw;
3843 
3844 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3845 
3846 	/* Disable timer */
3847 	if (vha->timer_active)
3848 		qla2x00_stop_timer(vha);
3849 
3850 	qla25xx_delete_queues(vha);
3851 	vha->flags.online = 0;
3852 
3853 	/* turn-off interrupts on the card */
3854 	if (ha->interrupts_on) {
3855 		vha->flags.init_done = 0;
3856 		ha->isp_ops->disable_intrs(ha);
3857 	}
3858 
3859 	qla2x00_free_fcports(vha);
3860 
3861 	qla2x00_free_irqs(vha);
3862 
3863 	/* Flush the work queue and remove it */
3864 	if (ha->wq) {
3865 		flush_workqueue(ha->wq);
3866 		destroy_workqueue(ha->wq);
3867 		ha->wq = NULL;
3868 	}
3869 
3870 
3871 	qla24xx_free_purex_list(&vha->purex_list);
3872 
3873 	qla2x00_mem_free(ha);
3874 
3875 	qla82xx_md_free(vha);
3876 
3877 	qla2x00_free_queues(ha);
3878 }
3879 
3880 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3881 {
3882 	fc_port_t *fcport, *tfcport;
3883 
3884 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
3885 		qla2x00_free_fcport(fcport);
3886 }
3887 
3888 static inline void
3889 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
3890 {
3891 	int now;
3892 
3893 	if (!fcport->rport)
3894 		return;
3895 
3896 	if (fcport->rport) {
3897 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3898 		    "%s %8phN. rport %p roles %x\n",
3899 		    __func__, fcport->port_name, fcport->rport,
3900 		    fcport->rport->roles);
3901 		fc_remote_port_delete(fcport->rport);
3902 	}
3903 	qlt_do_generation_tick(vha, &now);
3904 }
3905 
3906 /*
3907  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3908  *
3909  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3910  *
3911  * Return: None.
3912  *
3913  * Context:
3914  */
3915 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3916     int do_login)
3917 {
3918 	if (IS_QLAFX00(vha->hw)) {
3919 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3920 		qla2x00_schedule_rport_del(vha, fcport);
3921 		return;
3922 	}
3923 
3924 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3925 	    vha->vp_idx == fcport->vha->vp_idx) {
3926 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3927 		qla2x00_schedule_rport_del(vha, fcport);
3928 	}
3929 	/*
3930 	 * We may need to retry the login, so don't change the state of the
3931 	 * port but do the retries.
3932 	 */
3933 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3934 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3935 
3936 	if (!do_login)
3937 		return;
3938 
3939 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3940 }
3941 
3942 void
3943 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
3944 {
3945 	fc_port_t *fcport;
3946 
3947 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3948 	    "Mark all dev lost\n");
3949 
3950 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3951 		fcport->scan_state = 0;
3952 		qlt_schedule_sess_for_deletion(fcport);
3953 	}
3954 }
3955 
3956 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
3957 {
3958 	int i;
3959 
3960 	if (IS_FWI2_CAPABLE(ha))
3961 		return;
3962 
3963 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
3964 		set_bit(i, ha->loop_id_map);
3965 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
3966 	set_bit(BROADCAST, ha->loop_id_map);
3967 }
3968 
3969 /*
3970 * qla2x00_mem_alloc
3971 *      Allocates adapter memory.
3972 *
3973 * Returns:
3974 *      0  = success.
3975 *      !0  = failure.
3976 */
3977 static int
3978 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3979 	struct req_que **req, struct rsp_que **rsp)
3980 {
3981 	char	name[16];
3982 
3983 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3984 		&ha->init_cb_dma, GFP_KERNEL);
3985 	if (!ha->init_cb)
3986 		goto fail;
3987 
3988 	if (qlt_mem_alloc(ha) < 0)
3989 		goto fail_free_init_cb;
3990 
3991 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3992 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3993 	if (!ha->gid_list)
3994 		goto fail_free_tgt_mem;
3995 
3996 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3997 	if (!ha->srb_mempool)
3998 		goto fail_free_gid_list;
3999 
4000 	if (IS_P3P_TYPE(ha)) {
4001 		/* Allocate cache for CT6 Ctx. */
4002 		if (!ctx_cachep) {
4003 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4004 				sizeof(struct ct6_dsd), 0,
4005 				SLAB_HWCACHE_ALIGN, NULL);
4006 			if (!ctx_cachep)
4007 				goto fail_free_srb_mempool;
4008 		}
4009 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4010 			ctx_cachep);
4011 		if (!ha->ctx_mempool)
4012 			goto fail_free_srb_mempool;
4013 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4014 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4015 		    ctx_cachep, ha->ctx_mempool);
4016 	}
4017 
4018 	/* Get memory for cached NVRAM */
4019 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4020 	if (!ha->nvram)
4021 		goto fail_free_ctx_mempool;
4022 
4023 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4024 		ha->pdev->device);
4025 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4026 		DMA_POOL_SIZE, 8, 0);
4027 	if (!ha->s_dma_pool)
4028 		goto fail_free_nvram;
4029 
4030 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4031 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4032 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4033 
4034 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
4035 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4036 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4037 		if (!ha->dl_dma_pool) {
4038 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4039 			    "Failed to allocate memory for dl_dma_pool.\n");
4040 			goto fail_s_dma_pool;
4041 		}
4042 
4043 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4044 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4045 		if (!ha->fcp_cmnd_dma_pool) {
4046 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4047 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4048 			goto fail_dl_dma_pool;
4049 		}
4050 
4051 		if (ql2xenabledif) {
4052 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4053 			struct dsd_dma *dsd, *nxt;
4054 			uint i;
4055 			/* Creata a DMA pool of buffers for DIF bundling */
4056 			ha->dif_bundl_pool = dma_pool_create(name,
4057 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4058 			if (!ha->dif_bundl_pool) {
4059 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4060 				    "%s: failed create dif_bundl_pool\n",
4061 				    __func__);
4062 				goto fail_dif_bundl_dma_pool;
4063 			}
4064 
4065 			INIT_LIST_HEAD(&ha->pool.good.head);
4066 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4067 			ha->pool.good.count = 0;
4068 			ha->pool.unusable.count = 0;
4069 			for (i = 0; i < 128; i++) {
4070 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4071 				if (!dsd) {
4072 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4073 					    0xe0ee, "%s: failed alloc dsd\n",
4074 					    __func__);
4075 					return 1;
4076 				}
4077 				ha->dif_bundle_kallocs++;
4078 
4079 				dsd->dsd_addr = dma_pool_alloc(
4080 				    ha->dif_bundl_pool, GFP_ATOMIC,
4081 				    &dsd->dsd_list_dma);
4082 				if (!dsd->dsd_addr) {
4083 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4084 					    0xe0ee,
4085 					    "%s: failed alloc ->dsd_addr\n",
4086 					    __func__);
4087 					kfree(dsd);
4088 					ha->dif_bundle_kallocs--;
4089 					continue;
4090 				}
4091 				ha->dif_bundle_dma_allocs++;
4092 
4093 				/*
4094 				 * if DMA buffer crosses 4G boundary,
4095 				 * put it on bad list
4096 				 */
4097 				if (MSD(dsd->dsd_list_dma) ^
4098 				    MSD(dsd->dsd_list_dma + bufsize)) {
4099 					list_add_tail(&dsd->list,
4100 					    &ha->pool.unusable.head);
4101 					ha->pool.unusable.count++;
4102 				} else {
4103 					list_add_tail(&dsd->list,
4104 					    &ha->pool.good.head);
4105 					ha->pool.good.count++;
4106 				}
4107 			}
4108 
4109 			/* return the good ones back to the pool */
4110 			list_for_each_entry_safe(dsd, nxt,
4111 			    &ha->pool.good.head, list) {
4112 				list_del(&dsd->list);
4113 				dma_pool_free(ha->dif_bundl_pool,
4114 				    dsd->dsd_addr, dsd->dsd_list_dma);
4115 				ha->dif_bundle_dma_allocs--;
4116 				kfree(dsd);
4117 				ha->dif_bundle_kallocs--;
4118 			}
4119 
4120 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4121 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4122 			    __func__, ha->pool.good.count,
4123 			    ha->pool.unusable.count);
4124 		}
4125 
4126 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4127 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4128 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4129 		    ha->dif_bundl_pool);
4130 	}
4131 
4132 	/* Allocate memory for SNS commands */
4133 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4134 	/* Get consistent memory allocated for SNS commands */
4135 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4136 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4137 		if (!ha->sns_cmd)
4138 			goto fail_dma_pool;
4139 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4140 		    "sns_cmd: %p.\n", ha->sns_cmd);
4141 	} else {
4142 	/* Get consistent memory allocated for MS IOCB */
4143 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4144 			&ha->ms_iocb_dma);
4145 		if (!ha->ms_iocb)
4146 			goto fail_dma_pool;
4147 	/* Get consistent memory allocated for CT SNS commands */
4148 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4149 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4150 		if (!ha->ct_sns)
4151 			goto fail_free_ms_iocb;
4152 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4153 		    "ms_iocb=%p ct_sns=%p.\n",
4154 		    ha->ms_iocb, ha->ct_sns);
4155 	}
4156 
4157 	/* Allocate memory for request ring */
4158 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4159 	if (!*req) {
4160 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4161 		    "Failed to allocate memory for req.\n");
4162 		goto fail_req;
4163 	}
4164 	(*req)->length = req_len;
4165 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4166 		((*req)->length + 1) * sizeof(request_t),
4167 		&(*req)->dma, GFP_KERNEL);
4168 	if (!(*req)->ring) {
4169 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4170 		    "Failed to allocate memory for req_ring.\n");
4171 		goto fail_req_ring;
4172 	}
4173 	/* Allocate memory for response ring */
4174 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4175 	if (!*rsp) {
4176 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4177 		    "Failed to allocate memory for rsp.\n");
4178 		goto fail_rsp;
4179 	}
4180 	(*rsp)->hw = ha;
4181 	(*rsp)->length = rsp_len;
4182 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4183 		((*rsp)->length + 1) * sizeof(response_t),
4184 		&(*rsp)->dma, GFP_KERNEL);
4185 	if (!(*rsp)->ring) {
4186 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4187 		    "Failed to allocate memory for rsp_ring.\n");
4188 		goto fail_rsp_ring;
4189 	}
4190 	(*req)->rsp = *rsp;
4191 	(*rsp)->req = *req;
4192 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4193 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4194 	    "rsp->length=%d rsp->ring=%p.\n",
4195 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4196 	    (*rsp)->ring);
4197 	/* Allocate memory for NVRAM data for vports */
4198 	if (ha->nvram_npiv_size) {
4199 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4200 					sizeof(struct qla_npiv_entry),
4201 					GFP_KERNEL);
4202 		if (!ha->npiv_info) {
4203 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4204 			    "Failed to allocate memory for npiv_info.\n");
4205 			goto fail_npiv_info;
4206 		}
4207 	} else
4208 		ha->npiv_info = NULL;
4209 
4210 	/* Get consistent memory allocated for EX-INIT-CB. */
4211 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4212 	    IS_QLA28XX(ha)) {
4213 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4214 		    &ha->ex_init_cb_dma);
4215 		if (!ha->ex_init_cb)
4216 			goto fail_ex_init_cb;
4217 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4218 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4219 	}
4220 
4221 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4222 
4223 	/* Get consistent memory allocated for Async Port-Database. */
4224 	if (!IS_FWI2_CAPABLE(ha)) {
4225 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4226 			&ha->async_pd_dma);
4227 		if (!ha->async_pd)
4228 			goto fail_async_pd;
4229 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4230 		    "async_pd=%p.\n", ha->async_pd);
4231 	}
4232 
4233 	INIT_LIST_HEAD(&ha->vp_list);
4234 
4235 	/* Allocate memory for our loop_id bitmap */
4236 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4237 				  sizeof(long),
4238 				  GFP_KERNEL);
4239 	if (!ha->loop_id_map)
4240 		goto fail_loop_id_map;
4241 	else {
4242 		qla2x00_set_reserved_loop_ids(ha);
4243 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4244 		    "loop_id_map=%p.\n", ha->loop_id_map);
4245 	}
4246 
4247 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4248 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4249 	if (!ha->sfp_data) {
4250 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4251 		    "Unable to allocate memory for SFP read-data.\n");
4252 		goto fail_sfp_data;
4253 	}
4254 
4255 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4256 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4257 	    GFP_KERNEL);
4258 	if (!ha->flt) {
4259 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4260 		    "Unable to allocate memory for FLT.\n");
4261 		goto fail_flt_buffer;
4262 	}
4263 
4264 	return 0;
4265 
4266 fail_flt_buffer:
4267 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4268 	    ha->sfp_data, ha->sfp_data_dma);
4269 fail_sfp_data:
4270 	kfree(ha->loop_id_map);
4271 fail_loop_id_map:
4272 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4273 fail_async_pd:
4274 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4275 fail_ex_init_cb:
4276 	kfree(ha->npiv_info);
4277 fail_npiv_info:
4278 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4279 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4280 	(*rsp)->ring = NULL;
4281 	(*rsp)->dma = 0;
4282 fail_rsp_ring:
4283 	kfree(*rsp);
4284 	*rsp = NULL;
4285 fail_rsp:
4286 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4287 		sizeof(request_t), (*req)->ring, (*req)->dma);
4288 	(*req)->ring = NULL;
4289 	(*req)->dma = 0;
4290 fail_req_ring:
4291 	kfree(*req);
4292 	*req = NULL;
4293 fail_req:
4294 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4295 		ha->ct_sns, ha->ct_sns_dma);
4296 	ha->ct_sns = NULL;
4297 	ha->ct_sns_dma = 0;
4298 fail_free_ms_iocb:
4299 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4300 	ha->ms_iocb = NULL;
4301 	ha->ms_iocb_dma = 0;
4302 
4303 	if (ha->sns_cmd)
4304 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4305 		    ha->sns_cmd, ha->sns_cmd_dma);
4306 fail_dma_pool:
4307 	if (ql2xenabledif) {
4308 		struct dsd_dma *dsd, *nxt;
4309 
4310 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4311 		    list) {
4312 			list_del(&dsd->list);
4313 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4314 			    dsd->dsd_list_dma);
4315 			ha->dif_bundle_dma_allocs--;
4316 			kfree(dsd);
4317 			ha->dif_bundle_kallocs--;
4318 			ha->pool.unusable.count--;
4319 		}
4320 		dma_pool_destroy(ha->dif_bundl_pool);
4321 		ha->dif_bundl_pool = NULL;
4322 	}
4323 
4324 fail_dif_bundl_dma_pool:
4325 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4326 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4327 		ha->fcp_cmnd_dma_pool = NULL;
4328 	}
4329 fail_dl_dma_pool:
4330 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4331 		dma_pool_destroy(ha->dl_dma_pool);
4332 		ha->dl_dma_pool = NULL;
4333 	}
4334 fail_s_dma_pool:
4335 	dma_pool_destroy(ha->s_dma_pool);
4336 	ha->s_dma_pool = NULL;
4337 fail_free_nvram:
4338 	kfree(ha->nvram);
4339 	ha->nvram = NULL;
4340 fail_free_ctx_mempool:
4341 	mempool_destroy(ha->ctx_mempool);
4342 	ha->ctx_mempool = NULL;
4343 fail_free_srb_mempool:
4344 	mempool_destroy(ha->srb_mempool);
4345 	ha->srb_mempool = NULL;
4346 fail_free_gid_list:
4347 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4348 	ha->gid_list,
4349 	ha->gid_list_dma);
4350 	ha->gid_list = NULL;
4351 	ha->gid_list_dma = 0;
4352 fail_free_tgt_mem:
4353 	qlt_mem_free(ha);
4354 fail_free_init_cb:
4355 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4356 	ha->init_cb_dma);
4357 	ha->init_cb = NULL;
4358 	ha->init_cb_dma = 0;
4359 fail:
4360 	ql_log(ql_log_fatal, NULL, 0x0030,
4361 	    "Memory allocation failure.\n");
4362 	return -ENOMEM;
4363 }
4364 
4365 int
4366 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4367 {
4368 	int rval;
4369 	uint16_t	size, max_cnt, temp;
4370 	struct qla_hw_data *ha = vha->hw;
4371 
4372 	/* Return if we don't need to alloacate any extended logins */
4373 	if (!ql2xexlogins)
4374 		return QLA_SUCCESS;
4375 
4376 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4377 		return QLA_SUCCESS;
4378 
4379 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4380 	max_cnt = 0;
4381 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4382 	if (rval != QLA_SUCCESS) {
4383 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4384 		    "Failed to get exlogin status.\n");
4385 		return rval;
4386 	}
4387 
4388 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4389 	temp *= size;
4390 
4391 	if (temp != ha->exlogin_size) {
4392 		qla2x00_free_exlogin_buffer(ha);
4393 		ha->exlogin_size = temp;
4394 
4395 		ql_log(ql_log_info, vha, 0xd024,
4396 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4397 		    max_cnt, size, temp);
4398 
4399 		ql_log(ql_log_info, vha, 0xd025,
4400 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4401 
4402 		/* Get consistent memory for extended logins */
4403 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4404 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4405 		if (!ha->exlogin_buf) {
4406 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4407 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4408 			return -ENOMEM;
4409 		}
4410 	}
4411 
4412 	/* Now configure the dma buffer */
4413 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4414 	if (rval) {
4415 		ql_log(ql_log_fatal, vha, 0xd033,
4416 		    "Setup extended login buffer  ****FAILED****.\n");
4417 		qla2x00_free_exlogin_buffer(ha);
4418 	}
4419 
4420 	return rval;
4421 }
4422 
4423 /*
4424 * qla2x00_free_exlogin_buffer
4425 *
4426 * Input:
4427 *	ha = adapter block pointer
4428 */
4429 void
4430 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4431 {
4432 	if (ha->exlogin_buf) {
4433 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4434 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4435 		ha->exlogin_buf = NULL;
4436 		ha->exlogin_size = 0;
4437 	}
4438 }
4439 
4440 static void
4441 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4442 {
4443 	u32 temp;
4444 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4445 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4446 
4447 	if (max_cnt > vha->hw->max_exchg)
4448 		max_cnt = vha->hw->max_exchg;
4449 
4450 	if (qla_ini_mode_enabled(vha)) {
4451 		if (vha->ql2xiniexchg > max_cnt)
4452 			vha->ql2xiniexchg = max_cnt;
4453 
4454 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4455 			*ret_cnt = vha->ql2xiniexchg;
4456 
4457 	} else if (qla_tgt_mode_enabled(vha)) {
4458 		if (vha->ql2xexchoffld > max_cnt) {
4459 			vha->ql2xexchoffld = max_cnt;
4460 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4461 		}
4462 
4463 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4464 			*ret_cnt = vha->ql2xexchoffld;
4465 	} else if (qla_dual_mode_enabled(vha)) {
4466 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4467 		if (temp > max_cnt) {
4468 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4469 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4470 			temp = max_cnt;
4471 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4472 		}
4473 
4474 		if (temp > FW_DEF_EXCHANGES_CNT)
4475 			*ret_cnt = temp;
4476 	}
4477 }
4478 
4479 int
4480 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4481 {
4482 	int rval;
4483 	u16	size, max_cnt;
4484 	u32 actual_cnt, totsz;
4485 	struct qla_hw_data *ha = vha->hw;
4486 
4487 	if (!ha->flags.exchoffld_enabled)
4488 		return QLA_SUCCESS;
4489 
4490 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4491 		return QLA_SUCCESS;
4492 
4493 	max_cnt = 0;
4494 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4495 	if (rval != QLA_SUCCESS) {
4496 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4497 		    "Failed to get exlogin status.\n");
4498 		return rval;
4499 	}
4500 
4501 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4502 	ql_log(ql_log_info, vha, 0xd014,
4503 	    "Actual exchange offload count: %d.\n", actual_cnt);
4504 
4505 	totsz = actual_cnt * size;
4506 
4507 	if (totsz != ha->exchoffld_size) {
4508 		qla2x00_free_exchoffld_buffer(ha);
4509 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4510 			ha->exchoffld_size = 0;
4511 			ha->flags.exchoffld_enabled = 0;
4512 			return QLA_SUCCESS;
4513 		}
4514 
4515 		ha->exchoffld_size = totsz;
4516 
4517 		ql_log(ql_log_info, vha, 0xd016,
4518 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4519 		    max_cnt, actual_cnt, size, totsz);
4520 
4521 		ql_log(ql_log_info, vha, 0xd017,
4522 		    "Exchange Buffers requested size = 0x%x\n",
4523 		    ha->exchoffld_size);
4524 
4525 		/* Get consistent memory for extended logins */
4526 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4527 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4528 		if (!ha->exchoffld_buf) {
4529 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4530 			"Failed to allocate memory for Exchange Offload.\n");
4531 
4532 			if (ha->max_exchg >
4533 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4534 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4535 			} else if (ha->max_exchg >
4536 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4537 				ha->max_exchg -= 512;
4538 			} else {
4539 				ha->flags.exchoffld_enabled = 0;
4540 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4541 				    "Disabling Exchange offload due to lack of memory\n");
4542 			}
4543 			ha->exchoffld_size = 0;
4544 
4545 			return -ENOMEM;
4546 		}
4547 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4548 		/* pathological case */
4549 		qla2x00_free_exchoffld_buffer(ha);
4550 		ha->exchoffld_size = 0;
4551 		ha->flags.exchoffld_enabled = 0;
4552 		ql_log(ql_log_info, vha, 0xd016,
4553 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4554 		    ha->exchoffld_size, actual_cnt, size, totsz);
4555 		return 0;
4556 	}
4557 
4558 	/* Now configure the dma buffer */
4559 	rval = qla_set_exchoffld_mem_cfg(vha);
4560 	if (rval) {
4561 		ql_log(ql_log_fatal, vha, 0xd02e,
4562 		    "Setup exchange offload buffer ****FAILED****.\n");
4563 		qla2x00_free_exchoffld_buffer(ha);
4564 	} else {
4565 		/* re-adjust number of target exchange */
4566 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4567 
4568 		if (qla_ini_mode_enabled(vha))
4569 			icb->exchange_count = 0;
4570 		else
4571 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4572 	}
4573 
4574 	return rval;
4575 }
4576 
4577 /*
4578 * qla2x00_free_exchoffld_buffer
4579 *
4580 * Input:
4581 *	ha = adapter block pointer
4582 */
4583 void
4584 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4585 {
4586 	if (ha->exchoffld_buf) {
4587 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4588 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4589 		ha->exchoffld_buf = NULL;
4590 		ha->exchoffld_size = 0;
4591 	}
4592 }
4593 
4594 /*
4595 * qla2x00_free_fw_dump
4596 *	Frees fw dump stuff.
4597 *
4598 * Input:
4599 *	ha = adapter block pointer
4600 */
4601 static void
4602 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4603 {
4604 	struct fwdt *fwdt = ha->fwdt;
4605 	uint j;
4606 
4607 	if (ha->fce)
4608 		dma_free_coherent(&ha->pdev->dev,
4609 		    FCE_SIZE, ha->fce, ha->fce_dma);
4610 
4611 	if (ha->eft)
4612 		dma_free_coherent(&ha->pdev->dev,
4613 		    EFT_SIZE, ha->eft, ha->eft_dma);
4614 
4615 	if (ha->fw_dump)
4616 		vfree(ha->fw_dump);
4617 
4618 	ha->fce = NULL;
4619 	ha->fce_dma = 0;
4620 	ha->flags.fce_enabled = 0;
4621 	ha->eft = NULL;
4622 	ha->eft_dma = 0;
4623 	ha->fw_dumped = false;
4624 	ha->fw_dump_cap_flags = 0;
4625 	ha->fw_dump_reading = 0;
4626 	ha->fw_dump = NULL;
4627 	ha->fw_dump_len = 0;
4628 
4629 	for (j = 0; j < 2; j++, fwdt++) {
4630 		if (fwdt->template)
4631 			vfree(fwdt->template);
4632 		fwdt->template = NULL;
4633 		fwdt->length = 0;
4634 	}
4635 }
4636 
4637 /*
4638 * qla2x00_mem_free
4639 *      Frees all adapter allocated memory.
4640 *
4641 * Input:
4642 *      ha = adapter block pointer.
4643 */
4644 static void
4645 qla2x00_mem_free(struct qla_hw_data *ha)
4646 {
4647 	qla2x00_free_fw_dump(ha);
4648 
4649 	if (ha->mctp_dump)
4650 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4651 		    ha->mctp_dump_dma);
4652 	ha->mctp_dump = NULL;
4653 
4654 	mempool_destroy(ha->srb_mempool);
4655 	ha->srb_mempool = NULL;
4656 
4657 	if (ha->dcbx_tlv)
4658 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4659 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4660 	ha->dcbx_tlv = NULL;
4661 
4662 	if (ha->xgmac_data)
4663 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4664 		    ha->xgmac_data, ha->xgmac_data_dma);
4665 	ha->xgmac_data = NULL;
4666 
4667 	if (ha->sns_cmd)
4668 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4669 		ha->sns_cmd, ha->sns_cmd_dma);
4670 	ha->sns_cmd = NULL;
4671 	ha->sns_cmd_dma = 0;
4672 
4673 	if (ha->ct_sns)
4674 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4675 		ha->ct_sns, ha->ct_sns_dma);
4676 	ha->ct_sns = NULL;
4677 	ha->ct_sns_dma = 0;
4678 
4679 	if (ha->sfp_data)
4680 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4681 		    ha->sfp_data_dma);
4682 	ha->sfp_data = NULL;
4683 
4684 	if (ha->flt)
4685 		dma_free_coherent(&ha->pdev->dev,
4686 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4687 		    ha->flt, ha->flt_dma);
4688 	ha->flt = NULL;
4689 	ha->flt_dma = 0;
4690 
4691 	if (ha->ms_iocb)
4692 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4693 	ha->ms_iocb = NULL;
4694 	ha->ms_iocb_dma = 0;
4695 
4696 	if (ha->ex_init_cb)
4697 		dma_pool_free(ha->s_dma_pool,
4698 			ha->ex_init_cb, ha->ex_init_cb_dma);
4699 	ha->ex_init_cb = NULL;
4700 	ha->ex_init_cb_dma = 0;
4701 
4702 	if (ha->async_pd)
4703 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4704 	ha->async_pd = NULL;
4705 	ha->async_pd_dma = 0;
4706 
4707 	dma_pool_destroy(ha->s_dma_pool);
4708 	ha->s_dma_pool = NULL;
4709 
4710 	if (ha->gid_list)
4711 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4712 		ha->gid_list, ha->gid_list_dma);
4713 	ha->gid_list = NULL;
4714 	ha->gid_list_dma = 0;
4715 
4716 	if (IS_QLA82XX(ha)) {
4717 		if (!list_empty(&ha->gbl_dsd_list)) {
4718 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4719 
4720 			/* clean up allocated prev pool */
4721 			list_for_each_entry_safe(dsd_ptr,
4722 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4723 				dma_pool_free(ha->dl_dma_pool,
4724 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4725 				list_del(&dsd_ptr->list);
4726 				kfree(dsd_ptr);
4727 			}
4728 		}
4729 	}
4730 
4731 	dma_pool_destroy(ha->dl_dma_pool);
4732 	ha->dl_dma_pool = NULL;
4733 
4734 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4735 	ha->fcp_cmnd_dma_pool = NULL;
4736 
4737 	mempool_destroy(ha->ctx_mempool);
4738 	ha->ctx_mempool = NULL;
4739 
4740 	if (ql2xenabledif && ha->dif_bundl_pool) {
4741 		struct dsd_dma *dsd, *nxt;
4742 
4743 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4744 					 list) {
4745 			list_del(&dsd->list);
4746 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4747 				      dsd->dsd_list_dma);
4748 			ha->dif_bundle_dma_allocs--;
4749 			kfree(dsd);
4750 			ha->dif_bundle_kallocs--;
4751 			ha->pool.unusable.count--;
4752 		}
4753 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4754 			list_del(&dsd->list);
4755 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4756 				      dsd->dsd_list_dma);
4757 			ha->dif_bundle_dma_allocs--;
4758 			kfree(dsd);
4759 			ha->dif_bundle_kallocs--;
4760 		}
4761 	}
4762 
4763 	dma_pool_destroy(ha->dif_bundl_pool);
4764 	ha->dif_bundl_pool = NULL;
4765 
4766 	qlt_mem_free(ha);
4767 
4768 	if (ha->init_cb)
4769 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4770 			ha->init_cb, ha->init_cb_dma);
4771 	ha->init_cb = NULL;
4772 	ha->init_cb_dma = 0;
4773 
4774 	vfree(ha->optrom_buffer);
4775 	ha->optrom_buffer = NULL;
4776 	kfree(ha->nvram);
4777 	ha->nvram = NULL;
4778 	kfree(ha->npiv_info);
4779 	ha->npiv_info = NULL;
4780 	kfree(ha->swl);
4781 	ha->swl = NULL;
4782 	kfree(ha->loop_id_map);
4783 	ha->loop_id_map = NULL;
4784 }
4785 
4786 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4787 						struct qla_hw_data *ha)
4788 {
4789 	struct Scsi_Host *host;
4790 	struct scsi_qla_host *vha = NULL;
4791 
4792 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4793 	if (!host) {
4794 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4795 		    "Failed to allocate host from the scsi layer, aborting.\n");
4796 		return NULL;
4797 	}
4798 
4799 	/* Clear our data area */
4800 	vha = shost_priv(host);
4801 	memset(vha, 0, sizeof(scsi_qla_host_t));
4802 
4803 	vha->host = host;
4804 	vha->host_no = host->host_no;
4805 	vha->hw = ha;
4806 
4807 	vha->qlini_mode = ql2x_ini_mode;
4808 	vha->ql2xexchoffld = ql2xexchoffld;
4809 	vha->ql2xiniexchg = ql2xiniexchg;
4810 
4811 	INIT_LIST_HEAD(&vha->vp_fcports);
4812 	INIT_LIST_HEAD(&vha->work_list);
4813 	INIT_LIST_HEAD(&vha->list);
4814 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4815 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4816 	INIT_LIST_HEAD(&vha->logo_list);
4817 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4818 	INIT_LIST_HEAD(&vha->qp_list);
4819 	INIT_LIST_HEAD(&vha->gnl.fcports);
4820 	INIT_LIST_HEAD(&vha->gpnid_list);
4821 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4822 
4823 	INIT_LIST_HEAD(&vha->purex_list.head);
4824 	spin_lock_init(&vha->purex_list.lock);
4825 
4826 	spin_lock_init(&vha->work_lock);
4827 	spin_lock_init(&vha->cmd_list_lock);
4828 	init_waitqueue_head(&vha->fcport_waitQ);
4829 	init_waitqueue_head(&vha->vref_waitq);
4830 
4831 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4832 			(ha->max_loop_id + 1);
4833 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4834 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4835 	if (!vha->gnl.l) {
4836 		ql_log(ql_log_fatal, vha, 0xd04a,
4837 		    "Alloc failed for name list.\n");
4838 		scsi_host_put(vha->host);
4839 		return NULL;
4840 	}
4841 
4842 	/* todo: what about ext login? */
4843 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4844 	vha->scan.l = vmalloc(vha->scan.size);
4845 	if (!vha->scan.l) {
4846 		ql_log(ql_log_fatal, vha, 0xd04a,
4847 		    "Alloc failed for scan database.\n");
4848 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4849 		    vha->gnl.l, vha->gnl.ldma);
4850 		vha->gnl.l = NULL;
4851 		scsi_host_put(vha->host);
4852 		return NULL;
4853 	}
4854 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4855 
4856 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4857 	ql_dbg(ql_dbg_init, vha, 0x0041,
4858 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4859 	    vha->host, vha->hw, vha,
4860 	    dev_name(&(ha->pdev->dev)));
4861 
4862 	return vha;
4863 }
4864 
4865 struct qla_work_evt *
4866 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4867 {
4868 	struct qla_work_evt *e;
4869 	uint8_t bail;
4870 
4871 	if (test_bit(UNLOADING, &vha->dpc_flags))
4872 		return NULL;
4873 
4874 	QLA_VHA_MARK_BUSY(vha, bail);
4875 	if (bail)
4876 		return NULL;
4877 
4878 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4879 	if (!e) {
4880 		QLA_VHA_MARK_NOT_BUSY(vha);
4881 		return NULL;
4882 	}
4883 
4884 	INIT_LIST_HEAD(&e->list);
4885 	e->type = type;
4886 	e->flags = QLA_EVT_FLAG_FREE;
4887 	return e;
4888 }
4889 
4890 int
4891 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4892 {
4893 	unsigned long flags;
4894 	bool q = false;
4895 
4896 	spin_lock_irqsave(&vha->work_lock, flags);
4897 	list_add_tail(&e->list, &vha->work_list);
4898 
4899 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4900 		q = true;
4901 
4902 	spin_unlock_irqrestore(&vha->work_lock, flags);
4903 
4904 	if (q)
4905 		queue_work(vha->hw->wq, &vha->iocb_work);
4906 
4907 	return QLA_SUCCESS;
4908 }
4909 
4910 int
4911 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4912     u32 data)
4913 {
4914 	struct qla_work_evt *e;
4915 
4916 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4917 	if (!e)
4918 		return QLA_FUNCTION_FAILED;
4919 
4920 	e->u.aen.code = code;
4921 	e->u.aen.data = data;
4922 	return qla2x00_post_work(vha, e);
4923 }
4924 
4925 int
4926 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4927 {
4928 	struct qla_work_evt *e;
4929 
4930 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4931 	if (!e)
4932 		return QLA_FUNCTION_FAILED;
4933 
4934 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4935 	return qla2x00_post_work(vha, e);
4936 }
4937 
4938 #define qla2x00_post_async_work(name, type)	\
4939 int qla2x00_post_async_##name##_work(		\
4940     struct scsi_qla_host *vha,			\
4941     fc_port_t *fcport, uint16_t *data)		\
4942 {						\
4943 	struct qla_work_evt *e;			\
4944 						\
4945 	e = qla2x00_alloc_work(vha, type);	\
4946 	if (!e)					\
4947 		return QLA_FUNCTION_FAILED;	\
4948 						\
4949 	e->u.logio.fcport = fcport;		\
4950 	if (data) {				\
4951 		e->u.logio.data[0] = data[0];	\
4952 		e->u.logio.data[1] = data[1];	\
4953 	}					\
4954 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4955 	return qla2x00_post_work(vha, e);	\
4956 }
4957 
4958 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4959 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4960 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4961 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4962 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4963 
4964 int
4965 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4966 {
4967 	struct qla_work_evt *e;
4968 
4969 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4970 	if (!e)
4971 		return QLA_FUNCTION_FAILED;
4972 
4973 	e->u.uevent.code = code;
4974 	return qla2x00_post_work(vha, e);
4975 }
4976 
4977 static void
4978 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4979 {
4980 	char event_string[40];
4981 	char *envp[] = { event_string, NULL };
4982 
4983 	switch (code) {
4984 	case QLA_UEVENT_CODE_FW_DUMP:
4985 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4986 		    vha->host_no);
4987 		break;
4988 	default:
4989 		/* do nothing */
4990 		break;
4991 	}
4992 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4993 }
4994 
4995 int
4996 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4997 			uint32_t *data, int cnt)
4998 {
4999 	struct qla_work_evt *e;
5000 
5001 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5002 	if (!e)
5003 		return QLA_FUNCTION_FAILED;
5004 
5005 	e->u.aenfx.evtcode = evtcode;
5006 	e->u.aenfx.count = cnt;
5007 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5008 	return qla2x00_post_work(vha, e);
5009 }
5010 
5011 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5012 {
5013 	unsigned long flags;
5014 
5015 	if (IS_SW_RESV_ADDR(fcport->d_id))
5016 		return;
5017 
5018 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5019 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5020 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5021 		return;
5022 	}
5023 	fcport->jiffies_at_registration = jiffies;
5024 	fcport->sec_since_registration = 0;
5025 	fcport->next_disc_state = DSC_DELETED;
5026 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5027 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5028 
5029 	queue_work(system_unbound_wq, &fcport->reg_work);
5030 }
5031 
5032 static
5033 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5034 {
5035 	unsigned long flags;
5036 	fc_port_t *fcport =  NULL, *tfcp;
5037 	struct qlt_plogi_ack_t *pla =
5038 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5039 	uint8_t free_fcport = 0;
5040 
5041 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5042 	    "%s %d %8phC enter\n",
5043 	    __func__, __LINE__, e->u.new_sess.port_name);
5044 
5045 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5046 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5047 	if (fcport) {
5048 		fcport->d_id = e->u.new_sess.id;
5049 		if (pla) {
5050 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5051 			memcpy(fcport->node_name,
5052 			    pla->iocb.u.isp24.u.plogi.node_name,
5053 			    WWN_SIZE);
5054 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5055 			/* we took an extra ref_count to prevent PLOGI ACK when
5056 			 * fcport/sess has not been created.
5057 			 */
5058 			pla->ref_count--;
5059 		}
5060 	} else {
5061 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5062 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5063 		if (fcport) {
5064 			fcport->d_id = e->u.new_sess.id;
5065 			fcport->flags |= FCF_FABRIC_DEVICE;
5066 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5067 
5068 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5069 			    WWN_SIZE);
5070 
5071 			fcport->fc4_type = e->u.new_sess.fc4_type;
5072 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5073 				fcport->fc4_type = FS_FC4TYPE_FCP;
5074 				fcport->n2n_flag = 1;
5075 				if (vha->flags.nvme_enabled)
5076 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5077 			}
5078 
5079 		} else {
5080 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5081 				   "%s %8phC mem alloc fail.\n",
5082 				   __func__, e->u.new_sess.port_name);
5083 
5084 			if (pla) {
5085 				list_del(&pla->list);
5086 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5087 			}
5088 			return;
5089 		}
5090 
5091 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5092 		/* search again to make sure no one else got ahead */
5093 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5094 		    e->u.new_sess.port_name, 1);
5095 		if (tfcp) {
5096 			/* should rarily happen */
5097 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5098 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5099 			    __func__, tfcp->port_name, tfcp->disc_state,
5100 			    tfcp->fw_login_state);
5101 
5102 			free_fcport = 1;
5103 		} else {
5104 			list_add_tail(&fcport->list, &vha->vp_fcports);
5105 
5106 		}
5107 		if (pla) {
5108 			qlt_plogi_ack_link(vha, pla, fcport,
5109 			    QLT_PLOGI_LINK_SAME_WWN);
5110 			pla->ref_count--;
5111 		}
5112 	}
5113 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5114 
5115 	if (fcport) {
5116 		fcport->id_changed = 1;
5117 		fcport->scan_state = QLA_FCPORT_FOUND;
5118 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5119 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5120 
5121 		if (pla) {
5122 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5123 				u16 wd3_lo;
5124 
5125 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5126 				fcport->local = 0;
5127 				fcport->loop_id =
5128 					le16_to_cpu(
5129 					    pla->iocb.u.isp24.nport_handle);
5130 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5131 				wd3_lo =
5132 				    le16_to_cpu(
5133 					pla->iocb.u.isp24.u.prli.wd3_lo);
5134 
5135 				if (wd3_lo & BIT_7)
5136 					fcport->conf_compl_supported = 1;
5137 
5138 				if ((wd3_lo & BIT_4) == 0)
5139 					fcport->port_type = FCT_INITIATOR;
5140 				else
5141 					fcport->port_type = FCT_TARGET;
5142 			}
5143 			qlt_plogi_ack_unref(vha, pla);
5144 		} else {
5145 			fc_port_t *dfcp = NULL;
5146 
5147 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5148 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5149 			    &e->u.new_sess.id, 1);
5150 			if (tfcp && (tfcp != fcport)) {
5151 				/*
5152 				 * We have a conflict fcport with same NportID.
5153 				 */
5154 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5155 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5156 				    __func__, tfcp->port_name, tfcp->disc_state,
5157 				    tfcp->fw_login_state);
5158 
5159 				switch (tfcp->disc_state) {
5160 				case DSC_DELETED:
5161 					break;
5162 				case DSC_DELETE_PEND:
5163 					fcport->login_pause = 1;
5164 					tfcp->conflict = fcport;
5165 					break;
5166 				default:
5167 					fcport->login_pause = 1;
5168 					tfcp->conflict = fcport;
5169 					dfcp = tfcp;
5170 					break;
5171 				}
5172 			}
5173 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5174 			if (dfcp)
5175 				qlt_schedule_sess_for_deletion(tfcp);
5176 
5177 			if (N2N_TOPO(vha->hw)) {
5178 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5179 				fcport->keep_nport_handle = 1;
5180 				if (vha->flags.nvme_enabled) {
5181 					fcport->fc4_type =
5182 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5183 					fcport->n2n_flag = 1;
5184 				}
5185 				fcport->fw_login_state = 0;
5186 
5187 				schedule_delayed_work(&vha->scan.scan_work, 5);
5188 			} else {
5189 				qla24xx_fcport_handle_login(vha, fcport);
5190 			}
5191 		}
5192 	}
5193 
5194 	if (free_fcport) {
5195 		qla2x00_free_fcport(fcport);
5196 		if (pla) {
5197 			list_del(&pla->list);
5198 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5199 		}
5200 	}
5201 }
5202 
5203 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5204 {
5205 	struct srb *sp = e->u.iosb.sp;
5206 	int rval;
5207 
5208 	rval = qla2x00_start_sp(sp);
5209 	if (rval != QLA_SUCCESS) {
5210 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5211 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5212 		    __func__, sp->name, rval);
5213 		qla24xx_sp_unmap(vha, sp);
5214 	}
5215 }
5216 
5217 void
5218 qla2x00_do_work(struct scsi_qla_host *vha)
5219 {
5220 	struct qla_work_evt *e, *tmp;
5221 	unsigned long flags;
5222 	LIST_HEAD(work);
5223 	int rc;
5224 
5225 	spin_lock_irqsave(&vha->work_lock, flags);
5226 	list_splice_init(&vha->work_list, &work);
5227 	spin_unlock_irqrestore(&vha->work_lock, flags);
5228 
5229 	list_for_each_entry_safe(e, tmp, &work, list) {
5230 		rc = QLA_SUCCESS;
5231 		switch (e->type) {
5232 		case QLA_EVT_AEN:
5233 			fc_host_post_event(vha->host, fc_get_event_number(),
5234 			    e->u.aen.code, e->u.aen.data);
5235 			break;
5236 		case QLA_EVT_IDC_ACK:
5237 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5238 			break;
5239 		case QLA_EVT_ASYNC_LOGIN:
5240 			qla2x00_async_login(vha, e->u.logio.fcport,
5241 			    e->u.logio.data);
5242 			break;
5243 		case QLA_EVT_ASYNC_LOGOUT:
5244 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5245 			break;
5246 		case QLA_EVT_ASYNC_ADISC:
5247 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5248 			    e->u.logio.data);
5249 			break;
5250 		case QLA_EVT_UEVENT:
5251 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5252 			break;
5253 		case QLA_EVT_AENFX:
5254 			qlafx00_process_aen(vha, e);
5255 			break;
5256 		case QLA_EVT_GPNID:
5257 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5258 			break;
5259 		case QLA_EVT_UNMAP:
5260 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5261 			break;
5262 		case QLA_EVT_RELOGIN:
5263 			qla2x00_relogin(vha);
5264 			break;
5265 		case QLA_EVT_NEW_SESS:
5266 			qla24xx_create_new_sess(vha, e);
5267 			break;
5268 		case QLA_EVT_GPDB:
5269 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5270 			    e->u.fcport.opt);
5271 			break;
5272 		case QLA_EVT_PRLI:
5273 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5274 			break;
5275 		case QLA_EVT_GPSC:
5276 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5277 			break;
5278 		case QLA_EVT_GNL:
5279 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5280 			break;
5281 		case QLA_EVT_NACK:
5282 			qla24xx_do_nack_work(vha, e);
5283 			break;
5284 		case QLA_EVT_ASYNC_PRLO:
5285 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5286 			break;
5287 		case QLA_EVT_ASYNC_PRLO_DONE:
5288 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5289 			    e->u.logio.data);
5290 			break;
5291 		case QLA_EVT_GPNFT:
5292 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5293 			    e->u.gpnft.sp);
5294 			break;
5295 		case QLA_EVT_GPNFT_DONE:
5296 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5297 			break;
5298 		case QLA_EVT_GNNFT_DONE:
5299 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5300 			break;
5301 		case QLA_EVT_GNNID:
5302 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5303 			break;
5304 		case QLA_EVT_GFPNID:
5305 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5306 			break;
5307 		case QLA_EVT_SP_RETRY:
5308 			qla_sp_retry(vha, e);
5309 			break;
5310 		case QLA_EVT_IIDMA:
5311 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5312 			break;
5313 		case QLA_EVT_ELS_PLOGI:
5314 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5315 			    e->u.fcport.fcport, false);
5316 			break;
5317 		}
5318 
5319 		if (rc == EAGAIN) {
5320 			/* put 'work' at head of 'vha->work_list' */
5321 			spin_lock_irqsave(&vha->work_lock, flags);
5322 			list_splice(&work, &vha->work_list);
5323 			spin_unlock_irqrestore(&vha->work_lock, flags);
5324 			break;
5325 		}
5326 		list_del_init(&e->list);
5327 		if (e->flags & QLA_EVT_FLAG_FREE)
5328 			kfree(e);
5329 
5330 		/* For each work completed decrement vha ref count */
5331 		QLA_VHA_MARK_NOT_BUSY(vha);
5332 	}
5333 }
5334 
5335 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5336 {
5337 	struct qla_work_evt *e;
5338 
5339 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5340 
5341 	if (!e) {
5342 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5343 		return QLA_FUNCTION_FAILED;
5344 	}
5345 
5346 	return qla2x00_post_work(vha, e);
5347 }
5348 
5349 /* Relogins all the fcports of a vport
5350  * Context: dpc thread
5351  */
5352 void qla2x00_relogin(struct scsi_qla_host *vha)
5353 {
5354 	fc_port_t       *fcport;
5355 	int status, relogin_needed = 0;
5356 	struct event_arg ea;
5357 
5358 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5359 		/*
5360 		 * If the port is not ONLINE then try to login
5361 		 * to it if we haven't run out of retries.
5362 		 */
5363 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5364 		    fcport->login_retry) {
5365 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5366 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5367 				continue;
5368 
5369 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5370 				fcport->disc_state == DSC_DELETE_PEND) {
5371 				relogin_needed = 1;
5372 			} else {
5373 				if (vha->hw->current_topology != ISP_CFG_NL) {
5374 					memset(&ea, 0, sizeof(ea));
5375 					ea.fcport = fcport;
5376 					qla24xx_handle_relogin_event(vha, &ea);
5377 				} else if (vha->hw->current_topology ==
5378 				    ISP_CFG_NL) {
5379 					fcport->login_retry--;
5380 					status =
5381 					    qla2x00_local_device_login(vha,
5382 						fcport);
5383 					if (status == QLA_SUCCESS) {
5384 						fcport->old_loop_id =
5385 						    fcport->loop_id;
5386 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5387 						    "Port login OK: logged in ID 0x%x.\n",
5388 						    fcport->loop_id);
5389 						qla2x00_update_fcport
5390 							(vha, fcport);
5391 					} else if (status == 1) {
5392 						set_bit(RELOGIN_NEEDED,
5393 						    &vha->dpc_flags);
5394 						/* retry the login again */
5395 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5396 						    "Retrying %d login again loop_id 0x%x.\n",
5397 						    fcport->login_retry,
5398 						    fcport->loop_id);
5399 					} else {
5400 						fcport->login_retry = 0;
5401 					}
5402 
5403 					if (fcport->login_retry == 0 &&
5404 					    status != QLA_SUCCESS)
5405 						qla2x00_clear_loop_id(fcport);
5406 				}
5407 			}
5408 		}
5409 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5410 			break;
5411 	}
5412 
5413 	if (relogin_needed)
5414 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5415 
5416 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5417 	    "Relogin end.\n");
5418 }
5419 
5420 /* Schedule work on any of the dpc-workqueues */
5421 void
5422 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5423 {
5424 	struct qla_hw_data *ha = base_vha->hw;
5425 
5426 	switch (work_code) {
5427 	case MBA_IDC_AEN: /* 0x8200 */
5428 		if (ha->dpc_lp_wq)
5429 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5430 		break;
5431 
5432 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5433 		if (!ha->flags.nic_core_reset_hdlr_active) {
5434 			if (ha->dpc_hp_wq)
5435 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5436 		} else
5437 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5438 			    "NIC Core reset is already active. Skip "
5439 			    "scheduling it again.\n");
5440 		break;
5441 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5442 		if (ha->dpc_hp_wq)
5443 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5444 		break;
5445 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5446 		if (ha->dpc_hp_wq)
5447 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5448 		break;
5449 	default:
5450 		ql_log(ql_log_warn, base_vha, 0xb05f,
5451 		    "Unknown work-code=0x%x.\n", work_code);
5452 	}
5453 
5454 	return;
5455 }
5456 
5457 /* Work: Perform NIC Core Unrecoverable state handling */
5458 void
5459 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5460 {
5461 	struct qla_hw_data *ha =
5462 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5463 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5464 	uint32_t dev_state = 0;
5465 
5466 	qla83xx_idc_lock(base_vha, 0);
5467 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5468 	qla83xx_reset_ownership(base_vha);
5469 	if (ha->flags.nic_core_reset_owner) {
5470 		ha->flags.nic_core_reset_owner = 0;
5471 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5472 		    QLA8XXX_DEV_FAILED);
5473 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5474 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5475 	}
5476 	qla83xx_idc_unlock(base_vha, 0);
5477 }
5478 
5479 /* Work: Execute IDC state handler */
5480 void
5481 qla83xx_idc_state_handler_work(struct work_struct *work)
5482 {
5483 	struct qla_hw_data *ha =
5484 		container_of(work, struct qla_hw_data, idc_state_handler);
5485 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5486 	uint32_t dev_state = 0;
5487 
5488 	qla83xx_idc_lock(base_vha, 0);
5489 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5490 	if (dev_state == QLA8XXX_DEV_FAILED ||
5491 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5492 		qla83xx_idc_state_handler(base_vha);
5493 	qla83xx_idc_unlock(base_vha, 0);
5494 }
5495 
5496 static int
5497 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5498 {
5499 	int rval = QLA_SUCCESS;
5500 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5501 	uint32_t heart_beat_counter1, heart_beat_counter2;
5502 
5503 	do {
5504 		if (time_after(jiffies, heart_beat_wait)) {
5505 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5506 			    "Nic Core f/w is not alive.\n");
5507 			rval = QLA_FUNCTION_FAILED;
5508 			break;
5509 		}
5510 
5511 		qla83xx_idc_lock(base_vha, 0);
5512 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5513 		    &heart_beat_counter1);
5514 		qla83xx_idc_unlock(base_vha, 0);
5515 		msleep(100);
5516 		qla83xx_idc_lock(base_vha, 0);
5517 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5518 		    &heart_beat_counter2);
5519 		qla83xx_idc_unlock(base_vha, 0);
5520 	} while (heart_beat_counter1 == heart_beat_counter2);
5521 
5522 	return rval;
5523 }
5524 
5525 /* Work: Perform NIC Core Reset handling */
5526 void
5527 qla83xx_nic_core_reset_work(struct work_struct *work)
5528 {
5529 	struct qla_hw_data *ha =
5530 		container_of(work, struct qla_hw_data, nic_core_reset);
5531 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5532 	uint32_t dev_state = 0;
5533 
5534 	if (IS_QLA2031(ha)) {
5535 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5536 			ql_log(ql_log_warn, base_vha, 0xb081,
5537 			    "Failed to dump mctp\n");
5538 		return;
5539 	}
5540 
5541 	if (!ha->flags.nic_core_reset_hdlr_active) {
5542 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5543 			qla83xx_idc_lock(base_vha, 0);
5544 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5545 			    &dev_state);
5546 			qla83xx_idc_unlock(base_vha, 0);
5547 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5548 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5549 				    "Nic Core f/w is alive.\n");
5550 				return;
5551 			}
5552 		}
5553 
5554 		ha->flags.nic_core_reset_hdlr_active = 1;
5555 		if (qla83xx_nic_core_reset(base_vha)) {
5556 			/* NIC Core reset failed. */
5557 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5558 			    "NIC Core reset failed.\n");
5559 		}
5560 		ha->flags.nic_core_reset_hdlr_active = 0;
5561 	}
5562 }
5563 
5564 /* Work: Handle 8200 IDC aens */
5565 void
5566 qla83xx_service_idc_aen(struct work_struct *work)
5567 {
5568 	struct qla_hw_data *ha =
5569 		container_of(work, struct qla_hw_data, idc_aen);
5570 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5571 	uint32_t dev_state, idc_control;
5572 
5573 	qla83xx_idc_lock(base_vha, 0);
5574 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5575 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5576 	qla83xx_idc_unlock(base_vha, 0);
5577 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5578 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5579 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5580 			    "Application requested NIC Core Reset.\n");
5581 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5582 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5583 		    QLA_SUCCESS) {
5584 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5585 			    "Other protocol driver requested NIC Core Reset.\n");
5586 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5587 		}
5588 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5589 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5590 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5591 	}
5592 }
5593 
5594 static void
5595 qla83xx_wait_logic(void)
5596 {
5597 	int i;
5598 
5599 	/* Yield CPU */
5600 	if (!in_interrupt()) {
5601 		/*
5602 		 * Wait about 200ms before retrying again.
5603 		 * This controls the number of retries for single
5604 		 * lock operation.
5605 		 */
5606 		msleep(100);
5607 		schedule();
5608 	} else {
5609 		for (i = 0; i < 20; i++)
5610 			cpu_relax(); /* This a nop instr on i386 */
5611 	}
5612 }
5613 
5614 static int
5615 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5616 {
5617 	int rval;
5618 	uint32_t data;
5619 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5620 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5621 	struct qla_hw_data *ha = base_vha->hw;
5622 
5623 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5624 	    "Trying force recovery of the IDC lock.\n");
5625 
5626 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5627 	if (rval)
5628 		return rval;
5629 
5630 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5631 		return QLA_SUCCESS;
5632 	} else {
5633 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5634 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5635 		    data);
5636 		if (rval)
5637 			return rval;
5638 
5639 		msleep(200);
5640 
5641 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5642 		    &data);
5643 		if (rval)
5644 			return rval;
5645 
5646 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5647 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5648 					~(idc_lck_rcvry_stage_mask));
5649 			rval = qla83xx_wr_reg(base_vha,
5650 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5651 			if (rval)
5652 				return rval;
5653 
5654 			/* Forcefully perform IDC UnLock */
5655 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5656 			    &data);
5657 			if (rval)
5658 				return rval;
5659 			/* Clear lock-id by setting 0xff */
5660 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5661 			    0xff);
5662 			if (rval)
5663 				return rval;
5664 			/* Clear lock-recovery by setting 0x0 */
5665 			rval = qla83xx_wr_reg(base_vha,
5666 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5667 			if (rval)
5668 				return rval;
5669 		} else
5670 			return QLA_SUCCESS;
5671 	}
5672 
5673 	return rval;
5674 }
5675 
5676 static int
5677 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5678 {
5679 	int rval = QLA_SUCCESS;
5680 	uint32_t o_drv_lockid, n_drv_lockid;
5681 	unsigned long lock_recovery_timeout;
5682 
5683 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5684 retry_lockid:
5685 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5686 	if (rval)
5687 		goto exit;
5688 
5689 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5690 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5691 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5692 			return QLA_SUCCESS;
5693 		else
5694 			return QLA_FUNCTION_FAILED;
5695 	}
5696 
5697 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5698 	if (rval)
5699 		goto exit;
5700 
5701 	if (o_drv_lockid == n_drv_lockid) {
5702 		qla83xx_wait_logic();
5703 		goto retry_lockid;
5704 	} else
5705 		return QLA_SUCCESS;
5706 
5707 exit:
5708 	return rval;
5709 }
5710 
5711 void
5712 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5713 {
5714 	uint32_t data;
5715 	uint32_t lock_owner;
5716 	struct qla_hw_data *ha = base_vha->hw;
5717 
5718 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5719 retry_lock:
5720 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5721 	    == QLA_SUCCESS) {
5722 		if (data) {
5723 			/* Setting lock-id to our function-number */
5724 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5725 			    ha->portnum);
5726 		} else {
5727 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5728 			    &lock_owner);
5729 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5730 			    "Failed to acquire IDC lock, acquired by %d, "
5731 			    "retrying...\n", lock_owner);
5732 
5733 			/* Retry/Perform IDC-Lock recovery */
5734 			if (qla83xx_idc_lock_recovery(base_vha)
5735 			    == QLA_SUCCESS) {
5736 				qla83xx_wait_logic();
5737 				goto retry_lock;
5738 			} else
5739 				ql_log(ql_log_warn, base_vha, 0xb075,
5740 				    "IDC Lock recovery FAILED.\n");
5741 		}
5742 
5743 	}
5744 
5745 	return;
5746 }
5747 
5748 static bool
5749 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5750 	struct purex_entry_24xx *purex)
5751 {
5752 	char fwstr[16];
5753 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5754 	struct port_database_24xx *pdb;
5755 
5756 	/* Domain Controller is always logged-out. */
5757 	/* if RDP request is not from Domain Controller: */
5758 	if (sid != 0xfffc01)
5759 		return false;
5760 
5761 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5762 
5763 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5764 	if (!pdb) {
5765 		ql_dbg(ql_dbg_init, vha, 0x0181,
5766 		    "%s: Failed allocate pdb\n", __func__);
5767 	} else if (qla24xx_get_port_database(vha,
5768 				le16_to_cpu(purex->nport_handle), pdb)) {
5769 		ql_dbg(ql_dbg_init, vha, 0x0181,
5770 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
5771 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5772 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
5773 		ql_dbg(ql_dbg_init, vha, 0x0181,
5774 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
5775 	} else {
5776 		/* RDP request is from logged in port */
5777 		kfree(pdb);
5778 		return false;
5779 	}
5780 	kfree(pdb);
5781 
5782 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5783 	fwstr[strcspn(fwstr, " ")] = 0;
5784 	/* if FW version allows RDP response length upto 2048 bytes: */
5785 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5786 		return false;
5787 
5788 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5789 
5790 	/* RDP response length is to be reduced to maximum 256 bytes */
5791 	return true;
5792 }
5793 
5794 static uint
5795 qla25xx_rdp_port_speed_capability(struct qla_hw_data *ha)
5796 {
5797 	if (IS_CNA_CAPABLE(ha))
5798 		return RDP_PORT_SPEED_10GB;
5799 
5800 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
5801 		unsigned int speeds = 0;
5802 
5803 		if (ha->max_supported_speed == 2) {
5804 			if (ha->min_supported_speed <= 6)
5805 				speeds |= RDP_PORT_SPEED_64GB;
5806 		}
5807 
5808 		if (ha->max_supported_speed == 2 ||
5809 		    ha->max_supported_speed == 1) {
5810 			if (ha->min_supported_speed <= 5)
5811 				speeds |= RDP_PORT_SPEED_32GB;
5812 		}
5813 
5814 		if (ha->max_supported_speed == 2 ||
5815 		    ha->max_supported_speed == 1 ||
5816 		    ha->max_supported_speed == 0) {
5817 			if (ha->min_supported_speed <= 4)
5818 				speeds |= RDP_PORT_SPEED_16GB;
5819 		}
5820 
5821 		if (ha->max_supported_speed == 1 ||
5822 		    ha->max_supported_speed == 0) {
5823 			if (ha->min_supported_speed <= 3)
5824 				speeds |= RDP_PORT_SPEED_8GB;
5825 		}
5826 
5827 		if (ha->max_supported_speed == 0) {
5828 			if (ha->min_supported_speed <= 2)
5829 				speeds |= RDP_PORT_SPEED_4GB;
5830 		}
5831 
5832 		return speeds;
5833 	}
5834 
5835 	if (IS_QLA2031(ha))
5836 		return RDP_PORT_SPEED_16GB|RDP_PORT_SPEED_8GB|
5837 		       RDP_PORT_SPEED_4GB;
5838 
5839 	if (IS_QLA25XX(ha))
5840 		return RDP_PORT_SPEED_8GB|RDP_PORT_SPEED_4GB|
5841 		       RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
5842 
5843 	if (IS_QLA24XX_TYPE(ha))
5844 		return RDP_PORT_SPEED_4GB|RDP_PORT_SPEED_2GB|
5845 		       RDP_PORT_SPEED_1GB;
5846 
5847 	if (IS_QLA23XX(ha))
5848 		return RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
5849 
5850 	return RDP_PORT_SPEED_1GB;
5851 }
5852 
5853 static uint
5854 qla25xx_rdp_port_speed_currently(struct qla_hw_data *ha)
5855 {
5856 	switch (ha->link_data_rate) {
5857 	case PORT_SPEED_1GB:
5858 		return RDP_PORT_SPEED_1GB;
5859 
5860 	case PORT_SPEED_2GB:
5861 		return RDP_PORT_SPEED_2GB;
5862 
5863 	case PORT_SPEED_4GB:
5864 		return RDP_PORT_SPEED_4GB;
5865 
5866 	case PORT_SPEED_8GB:
5867 		return RDP_PORT_SPEED_8GB;
5868 
5869 	case PORT_SPEED_10GB:
5870 		return RDP_PORT_SPEED_10GB;
5871 
5872 	case PORT_SPEED_16GB:
5873 		return RDP_PORT_SPEED_16GB;
5874 
5875 	case PORT_SPEED_32GB:
5876 		return RDP_PORT_SPEED_32GB;
5877 
5878 	case PORT_SPEED_64GB:
5879 		return RDP_PORT_SPEED_64GB;
5880 
5881 	default:
5882 		return RDP_PORT_SPEED_UNKNOWN;
5883 	}
5884 }
5885 
5886 /*
5887  * Function Name: qla24xx_process_purex_iocb
5888  *
5889  * Description:
5890  * Prepare a RDP response and send to Fabric switch
5891  *
5892  * PARAMETERS:
5893  * vha:	SCSI qla host
5894  * purex: RDP request received by HBA
5895  */
5896 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha, void *pkt)
5897 {
5898 	struct qla_hw_data *ha = vha->hw;
5899 	struct purex_entry_24xx *purex = pkt;
5900 	dma_addr_t rsp_els_dma;
5901 	dma_addr_t rsp_payload_dma;
5902 	dma_addr_t stat_dma;
5903 	dma_addr_t bbc_dma;
5904 	dma_addr_t sfp_dma;
5905 	struct els_entry_24xx *rsp_els = NULL;
5906 	struct rdp_rsp_payload *rsp_payload = NULL;
5907 	struct link_statistics *stat = NULL;
5908 	struct buffer_credit_24xx *bbc = NULL;
5909 	uint8_t *sfp = NULL;
5910 	uint16_t sfp_flags = 0;
5911 	uint rsp_payload_length = sizeof(*rsp_payload);
5912 	int rval;
5913 
5914 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
5915 	    "%s: Enter\n", __func__);
5916 
5917 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
5918 	    "-------- ELS REQ -------\n");
5919 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
5920 	    purex, sizeof(*purex));
5921 
5922 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
5923 		rsp_payload_length =
5924 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
5925 		ql_dbg(ql_dbg_init, vha, 0x0181,
5926 		    "Reducing RSP payload length to %u bytes...\n",
5927 		    rsp_payload_length);
5928 	}
5929 
5930 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
5931 	    &rsp_els_dma, GFP_KERNEL);
5932 	if (!rsp_els) {
5933 		ql_log(ql_log_warn, vha, 0x0183,
5934 		    "Failed allocate dma buffer ELS RSP.\n");
5935 		goto dealloc;
5936 	}
5937 
5938 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
5939 	    &rsp_payload_dma, GFP_KERNEL);
5940 	if (!rsp_payload) {
5941 		ql_log(ql_log_warn, vha, 0x0184,
5942 		    "Failed allocate dma buffer ELS RSP payload.\n");
5943 		goto dealloc;
5944 	}
5945 
5946 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
5947 	    &sfp_dma, GFP_KERNEL);
5948 
5949 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
5950 	    &stat_dma, GFP_KERNEL);
5951 
5952 	bbc = dma_alloc_coherent(&ha->pdev->dev, sizeof(*bbc),
5953 	    &bbc_dma, GFP_KERNEL);
5954 
5955 	/* Prepare Response IOCB */
5956 	rsp_els->entry_type = ELS_IOCB_TYPE;
5957 	rsp_els->entry_count = 1;
5958 	rsp_els->sys_define = 0;
5959 	rsp_els->entry_status = 0;
5960 	rsp_els->handle = 0;
5961 	rsp_els->nport_handle = purex->nport_handle;
5962 	rsp_els->tx_dsd_count = cpu_to_le16(1);
5963 	rsp_els->vp_index = purex->vp_idx;
5964 	rsp_els->sof_type = EST_SOFI3;
5965 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
5966 	rsp_els->rx_dsd_count = 0;
5967 	rsp_els->opcode = purex->els_frame_payload[0];
5968 
5969 	rsp_els->d_id[0] = purex->s_id[0];
5970 	rsp_els->d_id[1] = purex->s_id[1];
5971 	rsp_els->d_id[2] = purex->s_id[2];
5972 
5973 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
5974 	rsp_els->rx_byte_count = 0;
5975 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
5976 
5977 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
5978 	rsp_els->tx_len = rsp_els->tx_byte_count;
5979 
5980 	rsp_els->rx_address = 0;
5981 	rsp_els->rx_len = 0;
5982 
5983 	/* Prepare Response Payload */
5984 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
5985 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
5986 					   sizeof(rsp_payload->hdr));
5987 
5988 	/* Link service Request Info Descriptor */
5989 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
5990 	rsp_payload->ls_req_info_desc.desc_len =
5991 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
5992 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
5993 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5994 
5995 	/* Link service Request Info Descriptor 2 */
5996 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
5997 	rsp_payload->ls_req_info_desc2.desc_len =
5998 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
5999 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6000 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6001 
6002 
6003 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6004 	rsp_payload->sfp_diag_desc.desc_len =
6005 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6006 
6007 	if (sfp) {
6008 		/* SFP Flags */
6009 		memset(sfp, 0, SFP_RTDI_LEN);
6010 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6011 		if (!rval) {
6012 			/* SFP Flags bits 3-0: Port Tx Laser Type */
6013 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6014 				sfp_flags |= BIT_0; /* short wave */
6015 			else if (sfp[0] & BIT_1)
6016 				sfp_flags |= BIT_1; /* long wave 1310nm */
6017 			else if (sfp[1] & BIT_4)
6018 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6019 		}
6020 
6021 		/* SFP Type */
6022 		memset(sfp, 0, SFP_RTDI_LEN);
6023 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6024 		if (!rval) {
6025 			sfp_flags |= BIT_4; /* optical */
6026 			if (sfp[0] == 0x3)
6027 				sfp_flags |= BIT_6; /* sfp+ */
6028 		}
6029 
6030 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6031 
6032 		/* SFP Diagnostics */
6033 		memset(sfp, 0, SFP_RTDI_LEN);
6034 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6035 		if (!rval) {
6036 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6037 			rsp_payload->sfp_diag_desc.temperature = trx[0];
6038 			rsp_payload->sfp_diag_desc.vcc = trx[1];
6039 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6040 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6041 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6042 		}
6043 	}
6044 
6045 	/* Port Speed Descriptor */
6046 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6047 	rsp_payload->port_speed_desc.desc_len =
6048 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6049 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6050 	    qla25xx_rdp_port_speed_capability(ha));
6051 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6052 	    qla25xx_rdp_port_speed_currently(ha));
6053 
6054 	/* Link Error Status Descriptor */
6055 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6056 	rsp_payload->ls_err_desc.desc_len =
6057 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6058 
6059 	if (stat) {
6060 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6061 		if (!rval) {
6062 			rsp_payload->ls_err_desc.link_fail_cnt =
6063 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6064 			rsp_payload->ls_err_desc.loss_sync_cnt =
6065 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6066 			rsp_payload->ls_err_desc.loss_sig_cnt =
6067 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6068 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6069 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6070 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6071 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6072 			rsp_payload->ls_err_desc.inval_crc_cnt =
6073 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6074 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6075 		}
6076 	}
6077 
6078 	/* Portname Descriptor */
6079 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6080 	rsp_payload->port_name_diag_desc.desc_len =
6081 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6082 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6083 	    vha->node_name,
6084 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6085 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6086 	    vha->port_name,
6087 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6088 
6089 	/* F-Port Portname Descriptor */
6090 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6091 	rsp_payload->port_name_direct_desc.desc_len =
6092 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6093 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6094 	    vha->fabric_node_name,
6095 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6096 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6097 	    vha->fabric_port_name,
6098 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6099 
6100 	/* Bufer Credit Descriptor */
6101 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6102 	rsp_payload->buffer_credit_desc.desc_len =
6103 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6104 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6105 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6106 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6107 
6108 	if (bbc) {
6109 		memset(bbc, 0, sizeof(*bbc));
6110 		rval = qla24xx_get_buffer_credits(vha, bbc, bbc_dma);
6111 		if (!rval) {
6112 			rsp_payload->buffer_credit_desc.fcport_b2b =
6113 			    cpu_to_be32(LSW(bbc->parameter[0]));
6114 		}
6115 	}
6116 
6117 	if (rsp_payload_length < sizeof(*rsp_payload))
6118 		goto send;
6119 
6120 	/* Optical Element Descriptor, Temperature */
6121 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6122 	rsp_payload->optical_elmt_desc[0].desc_len =
6123 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6124 	/* Optical Element Descriptor, Voltage */
6125 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6126 	rsp_payload->optical_elmt_desc[1].desc_len =
6127 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6128 	/* Optical Element Descriptor, Tx Bias Current */
6129 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6130 	rsp_payload->optical_elmt_desc[2].desc_len =
6131 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6132 	/* Optical Element Descriptor, Tx Power */
6133 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6134 	rsp_payload->optical_elmt_desc[3].desc_len =
6135 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6136 	/* Optical Element Descriptor, Rx Power */
6137 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6138 	rsp_payload->optical_elmt_desc[4].desc_len =
6139 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6140 
6141 	if (sfp) {
6142 		memset(sfp, 0, SFP_RTDI_LEN);
6143 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6144 		if (!rval) {
6145 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6146 
6147 			/* Optical Element Descriptor, Temperature */
6148 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6149 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6150 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6151 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6152 			rsp_payload->optical_elmt_desc[0].element_flags =
6153 			    cpu_to_be32(1 << 28);
6154 
6155 			/* Optical Element Descriptor, Voltage */
6156 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6157 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6158 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6159 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6160 			rsp_payload->optical_elmt_desc[1].element_flags =
6161 			    cpu_to_be32(2 << 28);
6162 
6163 			/* Optical Element Descriptor, Tx Bias Current */
6164 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6165 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6166 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6167 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6168 			rsp_payload->optical_elmt_desc[2].element_flags =
6169 			    cpu_to_be32(3 << 28);
6170 
6171 			/* Optical Element Descriptor, Tx Power */
6172 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6173 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6174 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6175 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6176 			rsp_payload->optical_elmt_desc[3].element_flags =
6177 			    cpu_to_be32(4 << 28);
6178 
6179 			/* Optical Element Descriptor, Rx Power */
6180 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6181 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6182 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6183 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6184 			rsp_payload->optical_elmt_desc[4].element_flags =
6185 			    cpu_to_be32(5 << 28);
6186 		}
6187 
6188 		memset(sfp, 0, SFP_RTDI_LEN);
6189 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6190 		if (!rval) {
6191 			/* Temperature high/low alarm/warning */
6192 			rsp_payload->optical_elmt_desc[0].element_flags |=
6193 			    cpu_to_be32(
6194 				(sfp[0] >> 7 & 1) << 3 |
6195 				(sfp[0] >> 6 & 1) << 2 |
6196 				(sfp[4] >> 7 & 1) << 1 |
6197 				(sfp[4] >> 6 & 1) << 0);
6198 
6199 			/* Voltage high/low alarm/warning */
6200 			rsp_payload->optical_elmt_desc[1].element_flags |=
6201 			    cpu_to_be32(
6202 				(sfp[0] >> 5 & 1) << 3 |
6203 				(sfp[0] >> 4 & 1) << 2 |
6204 				(sfp[4] >> 5 & 1) << 1 |
6205 				(sfp[4] >> 4 & 1) << 0);
6206 
6207 			/* Tx Bias Current high/low alarm/warning */
6208 			rsp_payload->optical_elmt_desc[2].element_flags |=
6209 			    cpu_to_be32(
6210 				(sfp[0] >> 3 & 1) << 3 |
6211 				(sfp[0] >> 2 & 1) << 2 |
6212 				(sfp[4] >> 3 & 1) << 1 |
6213 				(sfp[4] >> 2 & 1) << 0);
6214 
6215 			/* Tx Power high/low alarm/warning */
6216 			rsp_payload->optical_elmt_desc[3].element_flags |=
6217 			    cpu_to_be32(
6218 				(sfp[0] >> 1 & 1) << 3 |
6219 				(sfp[0] >> 0 & 1) << 2 |
6220 				(sfp[4] >> 1 & 1) << 1 |
6221 				(sfp[4] >> 0 & 1) << 0);
6222 
6223 			/* Rx Power high/low alarm/warning */
6224 			rsp_payload->optical_elmt_desc[4].element_flags |=
6225 			    cpu_to_be32(
6226 				(sfp[1] >> 7 & 1) << 3 |
6227 				(sfp[1] >> 6 & 1) << 2 |
6228 				(sfp[5] >> 7 & 1) << 1 |
6229 				(sfp[5] >> 6 & 1) << 0);
6230 		}
6231 	}
6232 
6233 	/* Optical Product Data Descriptor */
6234 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6235 	rsp_payload->optical_prod_desc.desc_len =
6236 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6237 
6238 	if (sfp) {
6239 		memset(sfp, 0, SFP_RTDI_LEN);
6240 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6241 		if (!rval) {
6242 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6243 			    sfp + 0,
6244 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6245 			memcpy(rsp_payload->optical_prod_desc.part_number,
6246 			    sfp + 20,
6247 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6248 			memcpy(rsp_payload->optical_prod_desc.revision,
6249 			    sfp + 36,
6250 			    sizeof(rsp_payload->optical_prod_desc.revision));
6251 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6252 			    sfp + 48,
6253 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6254 		}
6255 
6256 		memset(sfp, 0, SFP_RTDI_LEN);
6257 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6258 		if (!rval) {
6259 			memcpy(rsp_payload->optical_prod_desc.date,
6260 			    sfp + 0,
6261 			    sizeof(rsp_payload->optical_prod_desc.date));
6262 		}
6263 	}
6264 
6265 send:
6266 	ql_dbg(ql_dbg_init, vha, 0x0183,
6267 	    "Sending ELS Response to RDP Request...\n");
6268 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6269 	    "-------- ELS RSP -------\n");
6270 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6271 	    rsp_els, sizeof(*rsp_els));
6272 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6273 	    "-------- ELS RSP PAYLOAD -------\n");
6274 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6275 	    rsp_payload, rsp_payload_length);
6276 
6277 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6278 
6279 	if (rval) {
6280 		ql_log(ql_log_warn, vha, 0x0188,
6281 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6282 	} else if (rsp_els->comp_status) {
6283 		ql_log(ql_log_warn, vha, 0x0189,
6284 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6285 		    __func__, rsp_els->comp_status,
6286 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6287 	} else {
6288 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6289 	}
6290 
6291 dealloc:
6292 	if (bbc)
6293 		dma_free_coherent(&ha->pdev->dev, sizeof(*bbc),
6294 		    bbc, bbc_dma);
6295 	if (stat)
6296 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6297 		    stat, stat_dma);
6298 	if (sfp)
6299 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6300 		    sfp, sfp_dma);
6301 	if (rsp_payload)
6302 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6303 		    rsp_payload, rsp_payload_dma);
6304 	if (rsp_els)
6305 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6306 		    rsp_els, rsp_els_dma);
6307 }
6308 
6309 void qla24xx_process_purex_list(struct purex_list *list)
6310 {
6311 	struct list_head head = LIST_HEAD_INIT(head);
6312 	struct purex_item *item, *next;
6313 	ulong flags;
6314 
6315 	spin_lock_irqsave(&list->lock, flags);
6316 	list_splice_init(&list->head, &head);
6317 	spin_unlock_irqrestore(&list->lock, flags);
6318 
6319 	list_for_each_entry_safe(item, next, &head, list) {
6320 		list_del(&item->list);
6321 		item->process_item(item->vha, &item->iocb);
6322 		kfree(item);
6323 	}
6324 }
6325 
6326 void
6327 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6328 {
6329 #if 0
6330 	uint16_t options = (requester_id << 15) | BIT_7;
6331 #endif
6332 	uint16_t retry;
6333 	uint32_t data;
6334 	struct qla_hw_data *ha = base_vha->hw;
6335 
6336 	/* IDC-unlock implementation using driver-unlock/lock-id
6337 	 * remote registers
6338 	 */
6339 	retry = 0;
6340 retry_unlock:
6341 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6342 	    == QLA_SUCCESS) {
6343 		if (data == ha->portnum) {
6344 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6345 			/* Clearing lock-id by setting 0xff */
6346 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6347 		} else if (retry < 10) {
6348 			/* SV: XXX: IDC unlock retrying needed here? */
6349 
6350 			/* Retry for IDC-unlock */
6351 			qla83xx_wait_logic();
6352 			retry++;
6353 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6354 			    "Failed to release IDC lock, retrying=%d\n", retry);
6355 			goto retry_unlock;
6356 		}
6357 	} else if (retry < 10) {
6358 		/* Retry for IDC-unlock */
6359 		qla83xx_wait_logic();
6360 		retry++;
6361 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6362 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6363 		goto retry_unlock;
6364 	}
6365 
6366 	return;
6367 
6368 #if 0
6369 	/* XXX: IDC-unlock implementation using access-control mbx */
6370 	retry = 0;
6371 retry_unlock2:
6372 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6373 		if (retry < 10) {
6374 			/* Retry for IDC-unlock */
6375 			qla83xx_wait_logic();
6376 			retry++;
6377 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6378 			    "Failed to release IDC lock, retrying=%d\n", retry);
6379 			goto retry_unlock2;
6380 		}
6381 	}
6382 
6383 	return;
6384 #endif
6385 }
6386 
6387 int
6388 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6389 {
6390 	int rval = QLA_SUCCESS;
6391 	struct qla_hw_data *ha = vha->hw;
6392 	uint32_t drv_presence;
6393 
6394 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6395 	if (rval == QLA_SUCCESS) {
6396 		drv_presence |= (1 << ha->portnum);
6397 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6398 		    drv_presence);
6399 	}
6400 
6401 	return rval;
6402 }
6403 
6404 int
6405 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6406 {
6407 	int rval = QLA_SUCCESS;
6408 
6409 	qla83xx_idc_lock(vha, 0);
6410 	rval = __qla83xx_set_drv_presence(vha);
6411 	qla83xx_idc_unlock(vha, 0);
6412 
6413 	return rval;
6414 }
6415 
6416 int
6417 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6418 {
6419 	int rval = QLA_SUCCESS;
6420 	struct qla_hw_data *ha = vha->hw;
6421 	uint32_t drv_presence;
6422 
6423 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6424 	if (rval == QLA_SUCCESS) {
6425 		drv_presence &= ~(1 << ha->portnum);
6426 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6427 		    drv_presence);
6428 	}
6429 
6430 	return rval;
6431 }
6432 
6433 int
6434 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6435 {
6436 	int rval = QLA_SUCCESS;
6437 
6438 	qla83xx_idc_lock(vha, 0);
6439 	rval = __qla83xx_clear_drv_presence(vha);
6440 	qla83xx_idc_unlock(vha, 0);
6441 
6442 	return rval;
6443 }
6444 
6445 static void
6446 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6447 {
6448 	struct qla_hw_data *ha = vha->hw;
6449 	uint32_t drv_ack, drv_presence;
6450 	unsigned long ack_timeout;
6451 
6452 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6453 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6454 	while (1) {
6455 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6456 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6457 		if ((drv_ack & drv_presence) == drv_presence)
6458 			break;
6459 
6460 		if (time_after_eq(jiffies, ack_timeout)) {
6461 			ql_log(ql_log_warn, vha, 0xb067,
6462 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6463 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6464 			/*
6465 			 * The function(s) which did not ack in time are forced
6466 			 * to withdraw any further participation in the IDC
6467 			 * reset.
6468 			 */
6469 			if (drv_ack != drv_presence)
6470 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6471 				    drv_ack);
6472 			break;
6473 		}
6474 
6475 		qla83xx_idc_unlock(vha, 0);
6476 		msleep(1000);
6477 		qla83xx_idc_lock(vha, 0);
6478 	}
6479 
6480 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6481 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6482 }
6483 
6484 static int
6485 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6486 {
6487 	int rval = QLA_SUCCESS;
6488 	uint32_t idc_control;
6489 
6490 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6491 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6492 
6493 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6494 	__qla83xx_get_idc_control(vha, &idc_control);
6495 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6496 	__qla83xx_set_idc_control(vha, 0);
6497 
6498 	qla83xx_idc_unlock(vha, 0);
6499 	rval = qla83xx_restart_nic_firmware(vha);
6500 	qla83xx_idc_lock(vha, 0);
6501 
6502 	if (rval != QLA_SUCCESS) {
6503 		ql_log(ql_log_fatal, vha, 0xb06a,
6504 		    "Failed to restart NIC f/w.\n");
6505 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6506 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6507 	} else {
6508 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6509 		    "Success in restarting nic f/w.\n");
6510 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6511 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6512 	}
6513 
6514 	return rval;
6515 }
6516 
6517 /* Assumes idc_lock always held on entry */
6518 int
6519 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6520 {
6521 	struct qla_hw_data *ha = base_vha->hw;
6522 	int rval = QLA_SUCCESS;
6523 	unsigned long dev_init_timeout;
6524 	uint32_t dev_state;
6525 
6526 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6527 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6528 
6529 	while (1) {
6530 
6531 		if (time_after_eq(jiffies, dev_init_timeout)) {
6532 			ql_log(ql_log_warn, base_vha, 0xb06e,
6533 			    "Initialization TIMEOUT!\n");
6534 			/* Init timeout. Disable further NIC Core
6535 			 * communication.
6536 			 */
6537 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6538 				QLA8XXX_DEV_FAILED);
6539 			ql_log(ql_log_info, base_vha, 0xb06f,
6540 			    "HW State: FAILED.\n");
6541 		}
6542 
6543 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6544 		switch (dev_state) {
6545 		case QLA8XXX_DEV_READY:
6546 			if (ha->flags.nic_core_reset_owner)
6547 				qla83xx_idc_audit(base_vha,
6548 				    IDC_AUDIT_COMPLETION);
6549 			ha->flags.nic_core_reset_owner = 0;
6550 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6551 			    "Reset_owner reset by 0x%x.\n",
6552 			    ha->portnum);
6553 			goto exit;
6554 		case QLA8XXX_DEV_COLD:
6555 			if (ha->flags.nic_core_reset_owner)
6556 				rval = qla83xx_device_bootstrap(base_vha);
6557 			else {
6558 			/* Wait for AEN to change device-state */
6559 				qla83xx_idc_unlock(base_vha, 0);
6560 				msleep(1000);
6561 				qla83xx_idc_lock(base_vha, 0);
6562 			}
6563 			break;
6564 		case QLA8XXX_DEV_INITIALIZING:
6565 			/* Wait for AEN to change device-state */
6566 			qla83xx_idc_unlock(base_vha, 0);
6567 			msleep(1000);
6568 			qla83xx_idc_lock(base_vha, 0);
6569 			break;
6570 		case QLA8XXX_DEV_NEED_RESET:
6571 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6572 				qla83xx_need_reset_handler(base_vha);
6573 			else {
6574 				/* Wait for AEN to change device-state */
6575 				qla83xx_idc_unlock(base_vha, 0);
6576 				msleep(1000);
6577 				qla83xx_idc_lock(base_vha, 0);
6578 			}
6579 			/* reset timeout value after need reset handler */
6580 			dev_init_timeout = jiffies +
6581 			    (ha->fcoe_dev_init_timeout * HZ);
6582 			break;
6583 		case QLA8XXX_DEV_NEED_QUIESCENT:
6584 			/* XXX: DEBUG for now */
6585 			qla83xx_idc_unlock(base_vha, 0);
6586 			msleep(1000);
6587 			qla83xx_idc_lock(base_vha, 0);
6588 			break;
6589 		case QLA8XXX_DEV_QUIESCENT:
6590 			/* XXX: DEBUG for now */
6591 			if (ha->flags.quiesce_owner)
6592 				goto exit;
6593 
6594 			qla83xx_idc_unlock(base_vha, 0);
6595 			msleep(1000);
6596 			qla83xx_idc_lock(base_vha, 0);
6597 			dev_init_timeout = jiffies +
6598 			    (ha->fcoe_dev_init_timeout * HZ);
6599 			break;
6600 		case QLA8XXX_DEV_FAILED:
6601 			if (ha->flags.nic_core_reset_owner)
6602 				qla83xx_idc_audit(base_vha,
6603 				    IDC_AUDIT_COMPLETION);
6604 			ha->flags.nic_core_reset_owner = 0;
6605 			__qla83xx_clear_drv_presence(base_vha);
6606 			qla83xx_idc_unlock(base_vha, 0);
6607 			qla8xxx_dev_failed_handler(base_vha);
6608 			rval = QLA_FUNCTION_FAILED;
6609 			qla83xx_idc_lock(base_vha, 0);
6610 			goto exit;
6611 		case QLA8XXX_BAD_VALUE:
6612 			qla83xx_idc_unlock(base_vha, 0);
6613 			msleep(1000);
6614 			qla83xx_idc_lock(base_vha, 0);
6615 			break;
6616 		default:
6617 			ql_log(ql_log_warn, base_vha, 0xb071,
6618 			    "Unknown Device State: %x.\n", dev_state);
6619 			qla83xx_idc_unlock(base_vha, 0);
6620 			qla8xxx_dev_failed_handler(base_vha);
6621 			rval = QLA_FUNCTION_FAILED;
6622 			qla83xx_idc_lock(base_vha, 0);
6623 			goto exit;
6624 		}
6625 	}
6626 
6627 exit:
6628 	return rval;
6629 }
6630 
6631 void
6632 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6633 {
6634 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6635 	    board_disable);
6636 	struct pci_dev *pdev = ha->pdev;
6637 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6638 
6639 	ql_log(ql_log_warn, base_vha, 0x015b,
6640 	    "Disabling adapter.\n");
6641 
6642 	if (!atomic_read(&pdev->enable_cnt)) {
6643 		ql_log(ql_log_info, base_vha, 0xfffc,
6644 		    "PCI device disabled, no action req for PCI error=%lx\n",
6645 		    base_vha->pci_flags);
6646 		return;
6647 	}
6648 
6649 	/*
6650 	 * if UNLOADING flag is already set, then continue unload,
6651 	 * where it was set first.
6652 	 */
6653 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6654 		return;
6655 
6656 	qla2x00_wait_for_sess_deletion(base_vha);
6657 
6658 	qla2x00_delete_all_vps(ha, base_vha);
6659 
6660 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6661 
6662 	qla2x00_dfs_remove(base_vha);
6663 
6664 	qla84xx_put_chip(base_vha);
6665 
6666 	if (base_vha->timer_active)
6667 		qla2x00_stop_timer(base_vha);
6668 
6669 	base_vha->flags.online = 0;
6670 
6671 	qla2x00_destroy_deferred_work(ha);
6672 
6673 	/*
6674 	 * Do not try to stop beacon blink as it will issue a mailbox
6675 	 * command.
6676 	 */
6677 	qla2x00_free_sysfs_attr(base_vha, false);
6678 
6679 	fc_remove_host(base_vha->host);
6680 
6681 	scsi_remove_host(base_vha->host);
6682 
6683 	base_vha->flags.init_done = 0;
6684 	qla25xx_delete_queues(base_vha);
6685 	qla2x00_free_fcports(base_vha);
6686 	qla2x00_free_irqs(base_vha);
6687 	qla2x00_mem_free(ha);
6688 	qla82xx_md_free(base_vha);
6689 	qla2x00_free_queues(ha);
6690 
6691 	qla2x00_unmap_iobases(ha);
6692 
6693 	pci_release_selected_regions(ha->pdev, ha->bars);
6694 	pci_disable_pcie_error_reporting(pdev);
6695 	pci_disable_device(pdev);
6696 
6697 	/*
6698 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6699 	 */
6700 }
6701 
6702 /**************************************************************************
6703 * qla2x00_do_dpc
6704 *   This kernel thread is a task that is schedule by the interrupt handler
6705 *   to perform the background processing for interrupts.
6706 *
6707 * Notes:
6708 * This task always run in the context of a kernel thread.  It
6709 * is kick-off by the driver's detect code and starts up
6710 * up one per adapter. It immediately goes to sleep and waits for
6711 * some fibre event.  When either the interrupt handler or
6712 * the timer routine detects a event it will one of the task
6713 * bits then wake us up.
6714 **************************************************************************/
6715 static int
6716 qla2x00_do_dpc(void *data)
6717 {
6718 	scsi_qla_host_t *base_vha;
6719 	struct qla_hw_data *ha;
6720 	uint32_t online;
6721 	struct qla_qpair *qpair;
6722 
6723 	ha = (struct qla_hw_data *)data;
6724 	base_vha = pci_get_drvdata(ha->pdev);
6725 
6726 	set_user_nice(current, MIN_NICE);
6727 
6728 	set_current_state(TASK_INTERRUPTIBLE);
6729 	while (!kthread_should_stop()) {
6730 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6731 		    "DPC handler sleeping.\n");
6732 
6733 		schedule();
6734 
6735 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6736 			goto end_loop;
6737 
6738 		if (ha->flags.eeh_busy) {
6739 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6740 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6741 			goto end_loop;
6742 		}
6743 
6744 		ha->dpc_active = 1;
6745 
6746 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6747 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6748 		    base_vha->dpc_flags);
6749 
6750 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6751 			break;
6752 
6753 		if (IS_P3P_TYPE(ha)) {
6754 			if (IS_QLA8044(ha)) {
6755 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6756 					&base_vha->dpc_flags)) {
6757 					qla8044_idc_lock(ha);
6758 					qla8044_wr_direct(base_vha,
6759 						QLA8044_CRB_DEV_STATE_INDEX,
6760 						QLA8XXX_DEV_FAILED);
6761 					qla8044_idc_unlock(ha);
6762 					ql_log(ql_log_info, base_vha, 0x4004,
6763 						"HW State: FAILED.\n");
6764 					qla8044_device_state_handler(base_vha);
6765 					continue;
6766 				}
6767 
6768 			} else {
6769 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6770 					&base_vha->dpc_flags)) {
6771 					qla82xx_idc_lock(ha);
6772 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6773 						QLA8XXX_DEV_FAILED);
6774 					qla82xx_idc_unlock(ha);
6775 					ql_log(ql_log_info, base_vha, 0x0151,
6776 						"HW State: FAILED.\n");
6777 					qla82xx_device_state_handler(base_vha);
6778 					continue;
6779 				}
6780 			}
6781 
6782 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6783 				&base_vha->dpc_flags)) {
6784 
6785 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6786 				    "FCoE context reset scheduled.\n");
6787 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6788 					&base_vha->dpc_flags))) {
6789 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6790 						/* FCoE-ctx reset failed.
6791 						 * Escalate to chip-reset
6792 						 */
6793 						set_bit(ISP_ABORT_NEEDED,
6794 							&base_vha->dpc_flags);
6795 					}
6796 					clear_bit(ABORT_ISP_ACTIVE,
6797 						&base_vha->dpc_flags);
6798 				}
6799 
6800 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6801 				    "FCoE context reset end.\n");
6802 			}
6803 		} else if (IS_QLAFX00(ha)) {
6804 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6805 				&base_vha->dpc_flags)) {
6806 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6807 				    "Firmware Reset Recovery\n");
6808 				if (qlafx00_reset_initialize(base_vha)) {
6809 					/* Failed. Abort isp later. */
6810 					if (!test_bit(UNLOADING,
6811 					    &base_vha->dpc_flags)) {
6812 						set_bit(ISP_UNRECOVERABLE,
6813 						    &base_vha->dpc_flags);
6814 						ql_dbg(ql_dbg_dpc, base_vha,
6815 						    0x4021,
6816 						    "Reset Recovery Failed\n");
6817 					}
6818 				}
6819 			}
6820 
6821 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6822 				&base_vha->dpc_flags)) {
6823 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6824 				    "ISPFx00 Target Scan scheduled\n");
6825 				if (qlafx00_rescan_isp(base_vha)) {
6826 					if (!test_bit(UNLOADING,
6827 					    &base_vha->dpc_flags))
6828 						set_bit(ISP_UNRECOVERABLE,
6829 						    &base_vha->dpc_flags);
6830 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6831 					    "ISPFx00 Target Scan Failed\n");
6832 				}
6833 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6834 				    "ISPFx00 Target Scan End\n");
6835 			}
6836 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6837 				&base_vha->dpc_flags)) {
6838 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6839 				    "ISPFx00 Host Info resend scheduled\n");
6840 				qlafx00_fx_disc(base_vha,
6841 				    &base_vha->hw->mr.fcport,
6842 				    FXDISC_REG_HOST_INFO);
6843 			}
6844 		}
6845 
6846 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6847 		    &base_vha->dpc_flags)) {
6848 			/* Semantic:
6849 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6850 			 *             to minimize disruptions that will occur
6851 			 *             when a forced chip-reset occurs.
6852 			 *  - Force -- ISP-ABORT scheduled.
6853 			 */
6854 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6855 		}
6856 
6857 		if (test_and_clear_bit
6858 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6859 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6860 			bool do_reset = true;
6861 
6862 			switch (base_vha->qlini_mode) {
6863 			case QLA2XXX_INI_MODE_ENABLED:
6864 				break;
6865 			case QLA2XXX_INI_MODE_DISABLED:
6866 				if (!qla_tgt_mode_enabled(base_vha) &&
6867 				    !ha->flags.fw_started)
6868 					do_reset = false;
6869 				break;
6870 			case QLA2XXX_INI_MODE_DUAL:
6871 				if (!qla_dual_mode_enabled(base_vha) &&
6872 				    !ha->flags.fw_started)
6873 					do_reset = false;
6874 				break;
6875 			default:
6876 				break;
6877 			}
6878 
6879 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6880 			    &base_vha->dpc_flags))) {
6881 				base_vha->flags.online = 1;
6882 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6883 				    "ISP abort scheduled.\n");
6884 				if (ha->isp_ops->abort_isp(base_vha)) {
6885 					/* failed. retry later */
6886 					set_bit(ISP_ABORT_NEEDED,
6887 					    &base_vha->dpc_flags);
6888 				}
6889 				clear_bit(ABORT_ISP_ACTIVE,
6890 						&base_vha->dpc_flags);
6891 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6892 				    "ISP abort end.\n");
6893 			}
6894 		}
6895 
6896 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
6897 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
6898 				qla24xx_process_purex_list
6899 					(&base_vha->purex_list);
6900 				clear_bit(PROCESS_PUREX_IOCB,
6901 				    &base_vha->dpc_flags);
6902 			}
6903 		}
6904 
6905 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6906 		    &base_vha->dpc_flags)) {
6907 			qla2x00_update_fcports(base_vha);
6908 		}
6909 
6910 		if (IS_QLAFX00(ha))
6911 			goto loop_resync_check;
6912 
6913 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6914 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6915 			    "Quiescence mode scheduled.\n");
6916 			if (IS_P3P_TYPE(ha)) {
6917 				if (IS_QLA82XX(ha))
6918 					qla82xx_device_state_handler(base_vha);
6919 				if (IS_QLA8044(ha))
6920 					qla8044_device_state_handler(base_vha);
6921 				clear_bit(ISP_QUIESCE_NEEDED,
6922 				    &base_vha->dpc_flags);
6923 				if (!ha->flags.quiesce_owner) {
6924 					qla2x00_perform_loop_resync(base_vha);
6925 					if (IS_QLA82XX(ha)) {
6926 						qla82xx_idc_lock(ha);
6927 						qla82xx_clear_qsnt_ready(
6928 						    base_vha);
6929 						qla82xx_idc_unlock(ha);
6930 					} else if (IS_QLA8044(ha)) {
6931 						qla8044_idc_lock(ha);
6932 						qla8044_clear_qsnt_ready(
6933 						    base_vha);
6934 						qla8044_idc_unlock(ha);
6935 					}
6936 				}
6937 			} else {
6938 				clear_bit(ISP_QUIESCE_NEEDED,
6939 				    &base_vha->dpc_flags);
6940 				qla2x00_quiesce_io(base_vha);
6941 			}
6942 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6943 			    "Quiescence mode end.\n");
6944 		}
6945 
6946 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6947 				&base_vha->dpc_flags) &&
6948 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6949 
6950 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6951 			    "Reset marker scheduled.\n");
6952 			qla2x00_rst_aen(base_vha);
6953 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6954 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6955 			    "Reset marker end.\n");
6956 		}
6957 
6958 		/* Retry each device up to login retry count */
6959 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6960 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6961 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6962 
6963 			if (!base_vha->relogin_jif ||
6964 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6965 				base_vha->relogin_jif = jiffies + HZ;
6966 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6967 
6968 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6969 				    "Relogin scheduled.\n");
6970 				qla24xx_post_relogin_work(base_vha);
6971 			}
6972 		}
6973 loop_resync_check:
6974 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6975 		    &base_vha->dpc_flags)) {
6976 
6977 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6978 			    "Loop resync scheduled.\n");
6979 
6980 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6981 			    &base_vha->dpc_flags))) {
6982 
6983 				qla2x00_loop_resync(base_vha);
6984 
6985 				clear_bit(LOOP_RESYNC_ACTIVE,
6986 						&base_vha->dpc_flags);
6987 			}
6988 
6989 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6990 			    "Loop resync end.\n");
6991 		}
6992 
6993 		if (IS_QLAFX00(ha))
6994 			goto intr_on_check;
6995 
6996 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6997 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6998 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6999 			qla2xxx_flash_npiv_conf(base_vha);
7000 		}
7001 
7002 intr_on_check:
7003 		if (!ha->interrupts_on)
7004 			ha->isp_ops->enable_intrs(ha);
7005 
7006 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7007 					&base_vha->dpc_flags)) {
7008 			if (ha->beacon_blink_led == 1)
7009 				ha->isp_ops->beacon_blink(base_vha);
7010 		}
7011 
7012 		/* qpair online check */
7013 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7014 		    &base_vha->dpc_flags)) {
7015 			if (ha->flags.eeh_busy ||
7016 			    ha->flags.pci_channel_io_perm_failure)
7017 				online = 0;
7018 			else
7019 				online = 1;
7020 
7021 			mutex_lock(&ha->mq_lock);
7022 			list_for_each_entry(qpair, &base_vha->qp_list,
7023 			    qp_list_elem)
7024 			qpair->online = online;
7025 			mutex_unlock(&ha->mq_lock);
7026 		}
7027 
7028 		if (test_and_clear_bit(SET_NVME_ZIO_THRESHOLD_NEEDED,
7029 		    &base_vha->dpc_flags)) {
7030 			ql_log(ql_log_info, base_vha, 0xffffff,
7031 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
7032 						ha->nvme_last_rptd_aen);
7033 			if (qla27xx_set_zio_threshold(base_vha,
7034 			    ha->nvme_last_rptd_aen)) {
7035 				ql_log(ql_log_info, base_vha, 0xffffff,
7036 				    "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
7037 				    ha->nvme_last_rptd_aen);
7038 			}
7039 		}
7040 
7041 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7042 		    &base_vha->dpc_flags)) {
7043 			ql_log(ql_log_info, base_vha, 0xffffff,
7044 			    "SET ZIO Activity exchange threshold to %d.\n",
7045 			    ha->last_zio_threshold);
7046 			qla27xx_set_zio_threshold(base_vha,
7047 			    ha->last_zio_threshold);
7048 		}
7049 
7050 		if (!IS_QLAFX00(ha))
7051 			qla2x00_do_dpc_all_vps(base_vha);
7052 
7053 		if (test_and_clear_bit(N2N_LINK_RESET,
7054 			&base_vha->dpc_flags)) {
7055 			qla2x00_lip_reset(base_vha);
7056 		}
7057 
7058 		ha->dpc_active = 0;
7059 end_loop:
7060 		set_current_state(TASK_INTERRUPTIBLE);
7061 	} /* End of while(1) */
7062 	__set_current_state(TASK_RUNNING);
7063 
7064 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7065 	    "DPC handler exiting.\n");
7066 
7067 	/*
7068 	 * Make sure that nobody tries to wake us up again.
7069 	 */
7070 	ha->dpc_active = 0;
7071 
7072 	/* Cleanup any residual CTX SRBs. */
7073 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7074 
7075 	return 0;
7076 }
7077 
7078 void
7079 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7080 {
7081 	struct qla_hw_data *ha = vha->hw;
7082 	struct task_struct *t = ha->dpc_thread;
7083 
7084 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7085 		wake_up_process(t);
7086 }
7087 
7088 /*
7089 *  qla2x00_rst_aen
7090 *      Processes asynchronous reset.
7091 *
7092 * Input:
7093 *      ha  = adapter block pointer.
7094 */
7095 static void
7096 qla2x00_rst_aen(scsi_qla_host_t *vha)
7097 {
7098 	if (vha->flags.online && !vha->flags.reset_active &&
7099 	    !atomic_read(&vha->loop_down_timer) &&
7100 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7101 		do {
7102 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7103 
7104 			/*
7105 			 * Issue marker command only when we are going to start
7106 			 * the I/O.
7107 			 */
7108 			vha->marker_needed = 1;
7109 		} while (!atomic_read(&vha->loop_down_timer) &&
7110 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7111 	}
7112 }
7113 
7114 /**************************************************************************
7115 *   qla2x00_timer
7116 *
7117 * Description:
7118 *   One second timer
7119 *
7120 * Context: Interrupt
7121 ***************************************************************************/
7122 void
7123 qla2x00_timer(struct timer_list *t)
7124 {
7125 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7126 	unsigned long	cpu_flags = 0;
7127 	int		start_dpc = 0;
7128 	int		index;
7129 	srb_t		*sp;
7130 	uint16_t        w;
7131 	struct qla_hw_data *ha = vha->hw;
7132 	struct req_que *req;
7133 
7134 	if (ha->flags.eeh_busy) {
7135 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7136 		    "EEH = %d, restarting timer.\n",
7137 		    ha->flags.eeh_busy);
7138 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7139 		return;
7140 	}
7141 
7142 	/*
7143 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7144 	 * the read returns -1 then disable the board.
7145 	 */
7146 	if (!pci_channel_offline(ha->pdev)) {
7147 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7148 		qla2x00_check_reg16_for_disconnect(vha, w);
7149 	}
7150 
7151 	/* Make sure qla82xx_watchdog is run only for physical port */
7152 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7153 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7154 			start_dpc++;
7155 		if (IS_QLA82XX(ha))
7156 			qla82xx_watchdog(vha);
7157 		else if (IS_QLA8044(ha))
7158 			qla8044_watchdog(vha);
7159 	}
7160 
7161 	if (!vha->vp_idx && IS_QLAFX00(ha))
7162 		qlafx00_timer_routine(vha);
7163 
7164 	/* Loop down handler. */
7165 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7166 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7167 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7168 		&& vha->flags.online) {
7169 
7170 		if (atomic_read(&vha->loop_down_timer) ==
7171 		    vha->loop_down_abort_time) {
7172 
7173 			ql_log(ql_log_info, vha, 0x6008,
7174 			    "Loop down - aborting the queues before time expires.\n");
7175 
7176 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7177 				atomic_set(&vha->loop_state, LOOP_DEAD);
7178 
7179 			/*
7180 			 * Schedule an ISP abort to return any FCP2-device
7181 			 * commands.
7182 			 */
7183 			/* NPIV - scan physical port only */
7184 			if (!vha->vp_idx) {
7185 				spin_lock_irqsave(&ha->hardware_lock,
7186 				    cpu_flags);
7187 				req = ha->req_q_map[0];
7188 				for (index = 1;
7189 				    index < req->num_outstanding_cmds;
7190 				    index++) {
7191 					fc_port_t *sfcp;
7192 
7193 					sp = req->outstanding_cmds[index];
7194 					if (!sp)
7195 						continue;
7196 					if (sp->cmd_type != TYPE_SRB)
7197 						continue;
7198 					if (sp->type != SRB_SCSI_CMD)
7199 						continue;
7200 					sfcp = sp->fcport;
7201 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7202 						continue;
7203 
7204 					if (IS_QLA82XX(ha))
7205 						set_bit(FCOE_CTX_RESET_NEEDED,
7206 							&vha->dpc_flags);
7207 					else
7208 						set_bit(ISP_ABORT_NEEDED,
7209 							&vha->dpc_flags);
7210 					break;
7211 				}
7212 				spin_unlock_irqrestore(&ha->hardware_lock,
7213 								cpu_flags);
7214 			}
7215 			start_dpc++;
7216 		}
7217 
7218 		/* if the loop has been down for 4 minutes, reinit adapter */
7219 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7220 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
7221 				ql_log(ql_log_warn, vha, 0x6009,
7222 				    "Loop down - aborting ISP.\n");
7223 
7224 				if (IS_QLA82XX(ha))
7225 					set_bit(FCOE_CTX_RESET_NEEDED,
7226 						&vha->dpc_flags);
7227 				else
7228 					set_bit(ISP_ABORT_NEEDED,
7229 						&vha->dpc_flags);
7230 			}
7231 		}
7232 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7233 		    "Loop down - seconds remaining %d.\n",
7234 		    atomic_read(&vha->loop_down_timer));
7235 	}
7236 	/* Check if beacon LED needs to be blinked for physical host only */
7237 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7238 		/* There is no beacon_blink function for ISP82xx */
7239 		if (!IS_P3P_TYPE(ha)) {
7240 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7241 			start_dpc++;
7242 		}
7243 	}
7244 
7245 	/* Process any deferred work. */
7246 	if (!list_empty(&vha->work_list)) {
7247 		unsigned long flags;
7248 		bool q = false;
7249 
7250 		spin_lock_irqsave(&vha->work_lock, flags);
7251 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7252 			q = true;
7253 		spin_unlock_irqrestore(&vha->work_lock, flags);
7254 		if (q)
7255 			queue_work(vha->hw->wq, &vha->iocb_work);
7256 	}
7257 
7258 	/*
7259 	 * FC-NVME
7260 	 * see if the active AEN count has changed from what was last reported.
7261 	 */
7262 	if (!vha->vp_idx &&
7263 	    (atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen) &&
7264 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7265 	    !ha->flags.host_shutting_down) {
7266 		ql_log(ql_log_info, vha, 0x3002,
7267 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7268 		    ha->nvme_last_rptd_aen);
7269 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7270 		set_bit(SET_NVME_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7271 		start_dpc++;
7272 	}
7273 
7274 	if (!vha->vp_idx &&
7275 	    (atomic_read(&ha->zio_threshold) != ha->last_zio_threshold) &&
7276 	    (ha->zio_mode == QLA_ZIO_MODE_6) &&
7277 	    (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
7278 		ql_log(ql_log_info, vha, 0x3002,
7279 		    "Sched: Set ZIO exchange threshold to %d.\n",
7280 		    ha->last_zio_threshold);
7281 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7282 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7283 		start_dpc++;
7284 	}
7285 
7286 	/* Schedule the DPC routine if needed */
7287 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7288 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7289 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7290 	    start_dpc ||
7291 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7292 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7293 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7294 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7295 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7296 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7297 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7298 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7299 		    "isp_abort_needed=%d loop_resync_needed=%d "
7300 		    "fcport_update_needed=%d start_dpc=%d "
7301 		    "reset_marker_needed=%d",
7302 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7303 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7304 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7305 		    start_dpc,
7306 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7307 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7308 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7309 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7310 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7311 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7312 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7313 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7314 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7315 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7316 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7317 		qla2xxx_wake_dpc(vha);
7318 	}
7319 
7320 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7321 }
7322 
7323 /* Firmware interface routines. */
7324 
7325 #define FW_ISP21XX	0
7326 #define FW_ISP22XX	1
7327 #define FW_ISP2300	2
7328 #define FW_ISP2322	3
7329 #define FW_ISP24XX	4
7330 #define FW_ISP25XX	5
7331 #define FW_ISP81XX	6
7332 #define FW_ISP82XX	7
7333 #define FW_ISP2031	8
7334 #define FW_ISP8031	9
7335 #define FW_ISP27XX	10
7336 #define FW_ISP28XX	11
7337 
7338 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7339 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7340 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7341 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7342 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7343 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7344 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7345 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7346 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7347 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7348 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7349 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7350 
7351 
7352 static DEFINE_MUTEX(qla_fw_lock);
7353 
7354 static struct fw_blob qla_fw_blobs[] = {
7355 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7356 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7357 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7358 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7359 	{ .name = FW_FILE_ISP24XX, },
7360 	{ .name = FW_FILE_ISP25XX, },
7361 	{ .name = FW_FILE_ISP81XX, },
7362 	{ .name = FW_FILE_ISP82XX, },
7363 	{ .name = FW_FILE_ISP2031, },
7364 	{ .name = FW_FILE_ISP8031, },
7365 	{ .name = FW_FILE_ISP27XX, },
7366 	{ .name = FW_FILE_ISP28XX, },
7367 	{ .name = NULL, },
7368 };
7369 
7370 struct fw_blob *
7371 qla2x00_request_firmware(scsi_qla_host_t *vha)
7372 {
7373 	struct qla_hw_data *ha = vha->hw;
7374 	struct fw_blob *blob;
7375 
7376 	if (IS_QLA2100(ha)) {
7377 		blob = &qla_fw_blobs[FW_ISP21XX];
7378 	} else if (IS_QLA2200(ha)) {
7379 		blob = &qla_fw_blobs[FW_ISP22XX];
7380 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7381 		blob = &qla_fw_blobs[FW_ISP2300];
7382 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7383 		blob = &qla_fw_blobs[FW_ISP2322];
7384 	} else if (IS_QLA24XX_TYPE(ha)) {
7385 		blob = &qla_fw_blobs[FW_ISP24XX];
7386 	} else if (IS_QLA25XX(ha)) {
7387 		blob = &qla_fw_blobs[FW_ISP25XX];
7388 	} else if (IS_QLA81XX(ha)) {
7389 		blob = &qla_fw_blobs[FW_ISP81XX];
7390 	} else if (IS_QLA82XX(ha)) {
7391 		blob = &qla_fw_blobs[FW_ISP82XX];
7392 	} else if (IS_QLA2031(ha)) {
7393 		blob = &qla_fw_blobs[FW_ISP2031];
7394 	} else if (IS_QLA8031(ha)) {
7395 		blob = &qla_fw_blobs[FW_ISP8031];
7396 	} else if (IS_QLA27XX(ha)) {
7397 		blob = &qla_fw_blobs[FW_ISP27XX];
7398 	} else if (IS_QLA28XX(ha)) {
7399 		blob = &qla_fw_blobs[FW_ISP28XX];
7400 	} else {
7401 		return NULL;
7402 	}
7403 
7404 	if (!blob->name)
7405 		return NULL;
7406 
7407 	mutex_lock(&qla_fw_lock);
7408 	if (blob->fw)
7409 		goto out;
7410 
7411 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7412 		ql_log(ql_log_warn, vha, 0x0063,
7413 		    "Failed to load firmware image (%s).\n", blob->name);
7414 		blob->fw = NULL;
7415 		blob = NULL;
7416 	}
7417 
7418 out:
7419 	mutex_unlock(&qla_fw_lock);
7420 	return blob;
7421 }
7422 
7423 static void
7424 qla2x00_release_firmware(void)
7425 {
7426 	struct fw_blob *blob;
7427 
7428 	mutex_lock(&qla_fw_lock);
7429 	for (blob = qla_fw_blobs; blob->name; blob++)
7430 		release_firmware(blob->fw);
7431 	mutex_unlock(&qla_fw_lock);
7432 }
7433 
7434 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7435 {
7436 	struct qla_hw_data *ha = vha->hw;
7437 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7438 	struct qla_qpair *qpair = NULL;
7439 	struct scsi_qla_host *vp;
7440 	fc_port_t *fcport;
7441 	int i;
7442 	unsigned long flags;
7443 
7444 	ha->chip_reset++;
7445 
7446 	ha->base_qpair->chip_reset = ha->chip_reset;
7447 	for (i = 0; i < ha->max_qpairs; i++) {
7448 		if (ha->queue_pair_map[i])
7449 			ha->queue_pair_map[i]->chip_reset =
7450 			    ha->base_qpair->chip_reset;
7451 	}
7452 
7453 	/* purge MBox commands */
7454 	if (atomic_read(&ha->num_pend_mbx_stage3)) {
7455 		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7456 		complete(&ha->mbx_intr_comp);
7457 	}
7458 
7459 	i = 0;
7460 
7461 	while (atomic_read(&ha->num_pend_mbx_stage3) ||
7462 	    atomic_read(&ha->num_pend_mbx_stage2) ||
7463 	    atomic_read(&ha->num_pend_mbx_stage1)) {
7464 		msleep(20);
7465 		i++;
7466 		if (i > 50)
7467 			break;
7468 	}
7469 
7470 	ha->flags.purge_mbox = 0;
7471 
7472 	mutex_lock(&ha->mq_lock);
7473 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7474 		qpair->online = 0;
7475 	mutex_unlock(&ha->mq_lock);
7476 
7477 	qla2x00_mark_all_devices_lost(vha);
7478 
7479 	spin_lock_irqsave(&ha->vport_slock, flags);
7480 	list_for_each_entry(vp, &ha->vp_list, list) {
7481 		atomic_inc(&vp->vref_count);
7482 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7483 		qla2x00_mark_all_devices_lost(vp);
7484 		spin_lock_irqsave(&ha->vport_slock, flags);
7485 		atomic_dec(&vp->vref_count);
7486 	}
7487 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7488 
7489 	/* Clear all async request states across all VPs. */
7490 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7491 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7492 
7493 	spin_lock_irqsave(&ha->vport_slock, flags);
7494 	list_for_each_entry(vp, &ha->vp_list, list) {
7495 		atomic_inc(&vp->vref_count);
7496 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7497 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7498 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7499 		spin_lock_irqsave(&ha->vport_slock, flags);
7500 		atomic_dec(&vp->vref_count);
7501 	}
7502 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7503 }
7504 
7505 
7506 static pci_ers_result_t
7507 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7508 {
7509 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7510 	struct qla_hw_data *ha = vha->hw;
7511 
7512 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7513 	    "PCI error detected, state %x.\n", state);
7514 
7515 	if (!atomic_read(&pdev->enable_cnt)) {
7516 		ql_log(ql_log_info, vha, 0xffff,
7517 			"PCI device is disabled,state %x\n", state);
7518 		return PCI_ERS_RESULT_NEED_RESET;
7519 	}
7520 
7521 	switch (state) {
7522 	case pci_channel_io_normal:
7523 		ha->flags.eeh_busy = 0;
7524 		if (ql2xmqsupport || ql2xnvmeenable) {
7525 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7526 			qla2xxx_wake_dpc(vha);
7527 		}
7528 		return PCI_ERS_RESULT_CAN_RECOVER;
7529 	case pci_channel_io_frozen:
7530 		ha->flags.eeh_busy = 1;
7531 		qla_pci_error_cleanup(vha);
7532 		return PCI_ERS_RESULT_NEED_RESET;
7533 	case pci_channel_io_perm_failure:
7534 		ha->flags.pci_channel_io_perm_failure = 1;
7535 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7536 		if (ql2xmqsupport || ql2xnvmeenable) {
7537 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7538 			qla2xxx_wake_dpc(vha);
7539 		}
7540 		return PCI_ERS_RESULT_DISCONNECT;
7541 	}
7542 	return PCI_ERS_RESULT_NEED_RESET;
7543 }
7544 
7545 static pci_ers_result_t
7546 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7547 {
7548 	int risc_paused = 0;
7549 	uint32_t stat;
7550 	unsigned long flags;
7551 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7552 	struct qla_hw_data *ha = base_vha->hw;
7553 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7554 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7555 
7556 	if (IS_QLA82XX(ha))
7557 		return PCI_ERS_RESULT_RECOVERED;
7558 
7559 	spin_lock_irqsave(&ha->hardware_lock, flags);
7560 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7561 		stat = rd_reg_word(&reg->hccr);
7562 		if (stat & HCCR_RISC_PAUSE)
7563 			risc_paused = 1;
7564 	} else if (IS_QLA23XX(ha)) {
7565 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7566 		if (stat & HSR_RISC_PAUSED)
7567 			risc_paused = 1;
7568 	} else if (IS_FWI2_CAPABLE(ha)) {
7569 		stat = rd_reg_dword(&reg24->host_status);
7570 		if (stat & HSRX_RISC_PAUSED)
7571 			risc_paused = 1;
7572 	}
7573 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7574 
7575 	if (risc_paused) {
7576 		ql_log(ql_log_info, base_vha, 0x9003,
7577 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7578 		qla2xxx_dump_fw(base_vha);
7579 
7580 		return PCI_ERS_RESULT_NEED_RESET;
7581 	} else
7582 		return PCI_ERS_RESULT_RECOVERED;
7583 }
7584 
7585 static pci_ers_result_t
7586 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7587 {
7588 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7589 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7590 	struct qla_hw_data *ha = base_vha->hw;
7591 	int rc;
7592 	struct qla_qpair *qpair = NULL;
7593 
7594 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
7595 	    "Slot Reset.\n");
7596 
7597 	/* Workaround: qla2xxx driver which access hardware earlier
7598 	 * needs error state to be pci_channel_io_online.
7599 	 * Otherwise mailbox command timesout.
7600 	 */
7601 	pdev->error_state = pci_channel_io_normal;
7602 
7603 	pci_restore_state(pdev);
7604 
7605 	/* pci_restore_state() clears the saved_state flag of the device
7606 	 * save restored state which resets saved_state flag
7607 	 */
7608 	pci_save_state(pdev);
7609 
7610 	if (ha->mem_only)
7611 		rc = pci_enable_device_mem(pdev);
7612 	else
7613 		rc = pci_enable_device(pdev);
7614 
7615 	if (rc) {
7616 		ql_log(ql_log_warn, base_vha, 0x9005,
7617 		    "Can't re-enable PCI device after reset.\n");
7618 		goto exit_slot_reset;
7619 	}
7620 
7621 
7622 	if (ha->isp_ops->pci_config(base_vha))
7623 		goto exit_slot_reset;
7624 
7625 	mutex_lock(&ha->mq_lock);
7626 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7627 		qpair->online = 1;
7628 	mutex_unlock(&ha->mq_lock);
7629 
7630 	base_vha->flags.online = 1;
7631 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7632 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
7633 		ret =  PCI_ERS_RESULT_RECOVERED;
7634 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7635 
7636 
7637 exit_slot_reset:
7638 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7639 	    "slot_reset return %x.\n", ret);
7640 
7641 	return ret;
7642 }
7643 
7644 static void
7645 qla2xxx_pci_resume(struct pci_dev *pdev)
7646 {
7647 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7648 	struct qla_hw_data *ha = base_vha->hw;
7649 	int ret;
7650 
7651 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
7652 	    "pci_resume.\n");
7653 
7654 	ha->flags.eeh_busy = 0;
7655 
7656 	ret = qla2x00_wait_for_hba_online(base_vha);
7657 	if (ret != QLA_SUCCESS) {
7658 		ql_log(ql_log_fatal, base_vha, 0x9002,
7659 		    "The device failed to resume I/O from slot/link_reset.\n");
7660 	}
7661 }
7662 
7663 static void
7664 qla_pci_reset_prepare(struct pci_dev *pdev)
7665 {
7666 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7667 	struct qla_hw_data *ha = base_vha->hw;
7668 	struct qla_qpair *qpair;
7669 
7670 	ql_log(ql_log_warn, base_vha, 0xffff,
7671 	    "%s.\n", __func__);
7672 
7673 	/*
7674 	 * PCI FLR/function reset is about to reset the
7675 	 * slot. Stop the chip to stop all DMA access.
7676 	 * It is assumed that pci_reset_done will be called
7677 	 * after FLR to resume Chip operation.
7678 	 */
7679 	ha->flags.eeh_busy = 1;
7680 	mutex_lock(&ha->mq_lock);
7681 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7682 		qpair->online = 0;
7683 	mutex_unlock(&ha->mq_lock);
7684 
7685 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7686 	qla2x00_abort_isp_cleanup(base_vha);
7687 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7688 }
7689 
7690 static void
7691 qla_pci_reset_done(struct pci_dev *pdev)
7692 {
7693 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7694 	struct qla_hw_data *ha = base_vha->hw;
7695 	struct qla_qpair *qpair;
7696 
7697 	ql_log(ql_log_warn, base_vha, 0xffff,
7698 	    "%s.\n", __func__);
7699 
7700 	/*
7701 	 * FLR just completed by PCI layer. Resume adapter
7702 	 */
7703 	ha->flags.eeh_busy = 0;
7704 	mutex_lock(&ha->mq_lock);
7705 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7706 		qpair->online = 1;
7707 	mutex_unlock(&ha->mq_lock);
7708 
7709 	base_vha->flags.online = 1;
7710 	ha->isp_ops->abort_isp(base_vha);
7711 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7712 }
7713 
7714 static int qla2xxx_map_queues(struct Scsi_Host *shost)
7715 {
7716 	int rc;
7717 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
7718 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
7719 
7720 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
7721 		rc = blk_mq_map_queues(qmap);
7722 	else
7723 		rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
7724 	return rc;
7725 }
7726 
7727 struct scsi_host_template qla2xxx_driver_template = {
7728 	.module			= THIS_MODULE,
7729 	.name			= QLA2XXX_DRIVER_NAME,
7730 	.queuecommand		= qla2xxx_queuecommand,
7731 
7732 	.eh_timed_out		= fc_eh_timed_out,
7733 	.eh_abort_handler	= qla2xxx_eh_abort,
7734 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
7735 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
7736 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
7737 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
7738 
7739 	.slave_configure	= qla2xxx_slave_configure,
7740 
7741 	.slave_alloc		= qla2xxx_slave_alloc,
7742 	.slave_destroy		= qla2xxx_slave_destroy,
7743 	.scan_finished		= qla2xxx_scan_finished,
7744 	.scan_start		= qla2xxx_scan_start,
7745 	.change_queue_depth	= scsi_change_queue_depth,
7746 	.map_queues             = qla2xxx_map_queues,
7747 	.this_id		= -1,
7748 	.cmd_per_lun		= 3,
7749 	.sg_tablesize		= SG_ALL,
7750 
7751 	.max_sectors		= 0xFFFF,
7752 	.shost_attrs		= qla2x00_host_attrs,
7753 
7754 	.supported_mode		= MODE_INITIATOR,
7755 	.track_queue_depth	= 1,
7756 	.cmd_size		= sizeof(srb_t),
7757 };
7758 
7759 static const struct pci_error_handlers qla2xxx_err_handler = {
7760 	.error_detected = qla2xxx_pci_error_detected,
7761 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
7762 	.slot_reset = qla2xxx_pci_slot_reset,
7763 	.resume = qla2xxx_pci_resume,
7764 	.reset_prepare = qla_pci_reset_prepare,
7765 	.reset_done = qla_pci_reset_done,
7766 };
7767 
7768 static struct pci_device_id qla2xxx_pci_tbl[] = {
7769 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
7770 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
7771 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
7772 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
7773 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
7774 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
7775 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
7776 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
7777 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
7778 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
7779 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
7780 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
7781 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
7782 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
7783 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
7784 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
7785 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
7786 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
7787 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
7788 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
7789 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
7790 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
7791 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
7792 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
7793 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
7794 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
7795 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
7796 	{ 0 },
7797 };
7798 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
7799 
7800 static struct pci_driver qla2xxx_pci_driver = {
7801 	.name		= QLA2XXX_DRIVER_NAME,
7802 	.driver		= {
7803 		.owner		= THIS_MODULE,
7804 	},
7805 	.id_table	= qla2xxx_pci_tbl,
7806 	.probe		= qla2x00_probe_one,
7807 	.remove		= qla2x00_remove_one,
7808 	.shutdown	= qla2x00_shutdown,
7809 	.err_handler	= &qla2xxx_err_handler,
7810 };
7811 
7812 static const struct file_operations apidev_fops = {
7813 	.owner = THIS_MODULE,
7814 	.llseek = noop_llseek,
7815 };
7816 
7817 /**
7818  * qla2x00_module_init - Module initialization.
7819  **/
7820 static int __init
7821 qla2x00_module_init(void)
7822 {
7823 	int ret = 0;
7824 
7825 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
7826 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
7827 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
7828 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
7829 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
7830 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
7831 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
7832 	BUILD_BUG_ON(sizeof(request_t) != 64);
7833 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
7834 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
7835 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
7836 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
7837 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
7838 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
7839 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
7840 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
7841 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
7842 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
7843 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
7844 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
7845 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2344);
7846 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
7847 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
7848 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
7849 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
7850 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
7851 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
7852 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
7853 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
7854 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
7855 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
7856 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
7857 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
7858 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
7859 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
7860 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
7861 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
7862 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
7863 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
7864 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
7865 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
7866 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
7867 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
7868 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
7869 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
7870 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
7871 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
7872 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
7873 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
7874 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
7875 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
7876 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
7877 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
7878 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
7879 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
7880 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
7881 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
7882 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
7883 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
7884 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
7885 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
7886 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
7887 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
7888 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
7889 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
7890 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
7891 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
7892 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
7893 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
7894 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
7895 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
7896 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
7897 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
7898 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
7899 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
7900 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
7901 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
7902 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
7903 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
7904 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
7905 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
7906 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
7907 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
7908 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
7909 
7910 	/* Allocate cache for SRBs. */
7911 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7912 	    SLAB_HWCACHE_ALIGN, NULL);
7913 	if (srb_cachep == NULL) {
7914 		ql_log(ql_log_fatal, NULL, 0x0001,
7915 		    "Unable to allocate SRB cache...Failing load!.\n");
7916 		return -ENOMEM;
7917 	}
7918 
7919 	/* Initialize target kmem_cache and mem_pools */
7920 	ret = qlt_init();
7921 	if (ret < 0) {
7922 		goto destroy_cache;
7923 	} else if (ret > 0) {
7924 		/*
7925 		 * If initiator mode is explictly disabled by qlt_init(),
7926 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7927 		 * performing scsi_scan_target() during LOOP UP event.
7928 		 */
7929 		qla2xxx_transport_functions.disable_target_scan = 1;
7930 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
7931 	}
7932 
7933 	/* Derive version string. */
7934 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7935 	if (ql2xextended_error_logging)
7936 		strcat(qla2x00_version_str, "-debug");
7937 	if (ql2xextended_error_logging == 1)
7938 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7939 
7940 	if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7941 		qla_insert_tgt_attrs();
7942 
7943 	qla2xxx_transport_template =
7944 	    fc_attach_transport(&qla2xxx_transport_functions);
7945 	if (!qla2xxx_transport_template) {
7946 		ql_log(ql_log_fatal, NULL, 0x0002,
7947 		    "fc_attach_transport failed...Failing load!.\n");
7948 		ret = -ENODEV;
7949 		goto qlt_exit;
7950 	}
7951 
7952 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7953 	if (apidev_major < 0) {
7954 		ql_log(ql_log_fatal, NULL, 0x0003,
7955 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7956 	}
7957 
7958 	qla2xxx_transport_vport_template =
7959 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
7960 	if (!qla2xxx_transport_vport_template) {
7961 		ql_log(ql_log_fatal, NULL, 0x0004,
7962 		    "fc_attach_transport vport failed...Failing load!.\n");
7963 		ret = -ENODEV;
7964 		goto unreg_chrdev;
7965 	}
7966 	ql_log(ql_log_info, NULL, 0x0005,
7967 	    "QLogic Fibre Channel HBA Driver: %s.\n",
7968 	    qla2x00_version_str);
7969 	ret = pci_register_driver(&qla2xxx_pci_driver);
7970 	if (ret) {
7971 		ql_log(ql_log_fatal, NULL, 0x0006,
7972 		    "pci_register_driver failed...ret=%d Failing load!.\n",
7973 		    ret);
7974 		goto release_vport_transport;
7975 	}
7976 	return ret;
7977 
7978 release_vport_transport:
7979 	fc_release_transport(qla2xxx_transport_vport_template);
7980 
7981 unreg_chrdev:
7982 	if (apidev_major >= 0)
7983 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7984 	fc_release_transport(qla2xxx_transport_template);
7985 
7986 qlt_exit:
7987 	qlt_exit();
7988 
7989 destroy_cache:
7990 	kmem_cache_destroy(srb_cachep);
7991 	return ret;
7992 }
7993 
7994 /**
7995  * qla2x00_module_exit - Module cleanup.
7996  **/
7997 static void __exit
7998 qla2x00_module_exit(void)
7999 {
8000 	pci_unregister_driver(&qla2xxx_pci_driver);
8001 	qla2x00_release_firmware();
8002 	kmem_cache_destroy(ctx_cachep);
8003 	fc_release_transport(qla2xxx_transport_vport_template);
8004 	if (apidev_major >= 0)
8005 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8006 	fc_release_transport(qla2xxx_transport_template);
8007 	qlt_exit();
8008 	kmem_cache_destroy(srb_cachep);
8009 }
8010 
8011 module_init(qla2x00_module_init);
8012 module_exit(qla2x00_module_exit);
8013 
8014 MODULE_AUTHOR("QLogic Corporation");
8015 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8016 MODULE_LICENSE("GPL");
8017 MODULE_VERSION(QLA2XXX_VERSION);
8018 MODULE_FIRMWARE(FW_FILE_ISP21XX);
8019 MODULE_FIRMWARE(FW_FILE_ISP22XX);
8020 MODULE_FIRMWARE(FW_FILE_ISP2300);
8021 MODULE_FIRMWARE(FW_FILE_ISP2322);
8022 MODULE_FIRMWARE(FW_FILE_ISP24XX);
8023 MODULE_FIRMWARE(FW_FILE_ISP25XX);
8024