xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 6f4eaea2)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 #include "qla_def.h"
7 
8 #include <linux/moduleparam.h>
9 #include <linux/vmalloc.h>
10 #include <linux/delay.h>
11 #include <linux/kthread.h>
12 #include <linux/mutex.h>
13 #include <linux/kobject.h>
14 #include <linux/slab.h>
15 #include <linux/blk-mq-pci.h>
16 #include <linux/refcount.h>
17 
18 #include <scsi/scsi_tcq.h>
19 #include <scsi/scsicam.h>
20 #include <scsi/scsi_transport.h>
21 #include <scsi/scsi_transport_fc.h>
22 
23 #include "qla_target.h"
24 
25 /*
26  * Driver version
27  */
28 char qla2x00_version_str[40];
29 
30 static int apidev_major;
31 
32 /*
33  * SRB allocation cache
34  */
35 struct kmem_cache *srb_cachep;
36 
37 int ql2xfulldump_on_mpifail;
38 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
39 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
40 		 "Set this to take full dump on MPI hang.");
41 
42 int ql2xenforce_iocb_limit = 1;
43 module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
44 MODULE_PARM_DESC(ql2xenforce_iocb_limit,
45 		 "Enforce IOCB throttling, to avoid FW congestion. (default: 1)");
46 
47 /*
48  * CT6 CTX allocation cache
49  */
50 static struct kmem_cache *ctx_cachep;
51 /*
52  * error level for logging
53  */
54 uint ql_errlev = 0x8001;
55 
56 static int ql2xenableclass2;
57 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
58 MODULE_PARM_DESC(ql2xenableclass2,
59 		"Specify if Class 2 operations are supported from the very "
60 		"beginning. Default is 0 - class 2 not supported.");
61 
62 
63 int ql2xlogintimeout = 20;
64 module_param(ql2xlogintimeout, int, S_IRUGO);
65 MODULE_PARM_DESC(ql2xlogintimeout,
66 		"Login timeout value in seconds.");
67 
68 int qlport_down_retry;
69 module_param(qlport_down_retry, int, S_IRUGO);
70 MODULE_PARM_DESC(qlport_down_retry,
71 		"Maximum number of command retries to a port that returns "
72 		"a PORT-DOWN status.");
73 
74 int ql2xplogiabsentdevice;
75 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
76 MODULE_PARM_DESC(ql2xplogiabsentdevice,
77 		"Option to enable PLOGI to devices that are not present after "
78 		"a Fabric scan.  This is needed for several broken switches. "
79 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
80 
81 int ql2xloginretrycount;
82 module_param(ql2xloginretrycount, int, S_IRUGO);
83 MODULE_PARM_DESC(ql2xloginretrycount,
84 		"Specify an alternate value for the NVRAM login retry count.");
85 
86 int ql2xallocfwdump = 1;
87 module_param(ql2xallocfwdump, int, S_IRUGO);
88 MODULE_PARM_DESC(ql2xallocfwdump,
89 		"Option to enable allocation of memory for a firmware dump "
90 		"during HBA initialization.  Memory allocation requirements "
91 		"vary by ISP type.  Default is 1 - allocate memory.");
92 
93 int ql2xextended_error_logging;
94 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
95 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
96 MODULE_PARM_DESC(ql2xextended_error_logging,
97 		"Option to enable extended error logging,\n"
98 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
99 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
100 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
101 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
102 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
103 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
104 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
105 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
106 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
107 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
108 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
109 		"\t\t0x1e400000 - Preferred value for capturing essential "
110 		"debug information (equivalent to old "
111 		"ql2xextended_error_logging=1).\n"
112 		"\t\tDo LOGICAL OR of the value to enable more than one level");
113 
114 int ql2xshiftctondsd = 6;
115 module_param(ql2xshiftctondsd, int, S_IRUGO);
116 MODULE_PARM_DESC(ql2xshiftctondsd,
117 		"Set to control shifting of command type processing "
118 		"based on total number of SG elements.");
119 
120 int ql2xfdmienable = 1;
121 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
122 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
123 MODULE_PARM_DESC(ql2xfdmienable,
124 		"Enables FDMI registrations. "
125 		"0 - no FDMI registrations. "
126 		"1 - provide FDMI registrations (default).");
127 
128 #define MAX_Q_DEPTH	64
129 static int ql2xmaxqdepth = MAX_Q_DEPTH;
130 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
131 MODULE_PARM_DESC(ql2xmaxqdepth,
132 		"Maximum queue depth to set for each LUN. "
133 		"Default is 64.");
134 
135 int ql2xenabledif = 2;
136 module_param(ql2xenabledif, int, S_IRUGO);
137 MODULE_PARM_DESC(ql2xenabledif,
138 		" Enable T10-CRC-DIF:\n"
139 		" Default is 2.\n"
140 		"  0 -- No DIF Support\n"
141 		"  1 -- Enable DIF for all types\n"
142 		"  2 -- Enable DIF for all types, except Type 0.\n");
143 
144 #if (IS_ENABLED(CONFIG_NVME_FC))
145 int ql2xnvmeenable = 1;
146 #else
147 int ql2xnvmeenable;
148 #endif
149 module_param(ql2xnvmeenable, int, 0644);
150 MODULE_PARM_DESC(ql2xnvmeenable,
151     "Enables NVME support. "
152     "0 - no NVMe.  Default is Y");
153 
154 int ql2xenablehba_err_chk = 2;
155 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
156 MODULE_PARM_DESC(ql2xenablehba_err_chk,
157 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
158 		" Default is 2.\n"
159 		"  0 -- Error isolation disabled\n"
160 		"  1 -- Error isolation enabled only for DIX Type 0\n"
161 		"  2 -- Error isolation enabled for all Types\n");
162 
163 int ql2xiidmaenable = 1;
164 module_param(ql2xiidmaenable, int, S_IRUGO);
165 MODULE_PARM_DESC(ql2xiidmaenable,
166 		"Enables iIDMA settings "
167 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
168 
169 int ql2xmqsupport = 1;
170 module_param(ql2xmqsupport, int, S_IRUGO);
171 MODULE_PARM_DESC(ql2xmqsupport,
172 		"Enable on demand multiple queue pairs support "
173 		"Default is 1 for supported. "
174 		"Set it to 0 to turn off mq qpair support.");
175 
176 int ql2xfwloadbin;
177 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
178 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
179 MODULE_PARM_DESC(ql2xfwloadbin,
180 		"Option to specify location from which to load ISP firmware:.\n"
181 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
182 		"      interface.\n"
183 		" 1 -- load firmware from flash.\n"
184 		" 0 -- use default semantics.\n");
185 
186 int ql2xetsenable;
187 module_param(ql2xetsenable, int, S_IRUGO);
188 MODULE_PARM_DESC(ql2xetsenable,
189 		"Enables firmware ETS burst."
190 		"Default is 0 - skip ETS enablement.");
191 
192 int ql2xdbwr = 1;
193 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
194 MODULE_PARM_DESC(ql2xdbwr,
195 		"Option to specify scheme for request queue posting.\n"
196 		" 0 -- Regular doorbell.\n"
197 		" 1 -- CAMRAM doorbell (faster).\n");
198 
199 int ql2xtargetreset = 1;
200 module_param(ql2xtargetreset, int, S_IRUGO);
201 MODULE_PARM_DESC(ql2xtargetreset,
202 		 "Enable target reset."
203 		 "Default is 1 - use hw defaults.");
204 
205 int ql2xgffidenable;
206 module_param(ql2xgffidenable, int, S_IRUGO);
207 MODULE_PARM_DESC(ql2xgffidenable,
208 		"Enables GFF_ID checks of port type. "
209 		"Default is 0 - Do not use GFF_ID information.");
210 
211 int ql2xasynctmfenable = 1;
212 module_param(ql2xasynctmfenable, int, S_IRUGO);
213 MODULE_PARM_DESC(ql2xasynctmfenable,
214 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
215 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
216 
217 int ql2xdontresethba;
218 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
219 MODULE_PARM_DESC(ql2xdontresethba,
220 		"Option to specify reset behaviour.\n"
221 		" 0 (Default) -- Reset on failure.\n"
222 		" 1 -- Do not reset on failure.\n");
223 
224 uint64_t ql2xmaxlun = MAX_LUNS;
225 module_param(ql2xmaxlun, ullong, S_IRUGO);
226 MODULE_PARM_DESC(ql2xmaxlun,
227 		"Defines the maximum LU number to register with the SCSI "
228 		"midlayer. Default is 65535.");
229 
230 int ql2xmdcapmask = 0x1F;
231 module_param(ql2xmdcapmask, int, S_IRUGO);
232 MODULE_PARM_DESC(ql2xmdcapmask,
233 		"Set the Minidump driver capture mask level. "
234 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
235 
236 int ql2xmdenable = 1;
237 module_param(ql2xmdenable, int, S_IRUGO);
238 MODULE_PARM_DESC(ql2xmdenable,
239 		"Enable/disable MiniDump. "
240 		"0 - MiniDump disabled. "
241 		"1 (Default) - MiniDump enabled.");
242 
243 int ql2xexlogins;
244 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
245 MODULE_PARM_DESC(ql2xexlogins,
246 		 "Number of extended Logins. "
247 		 "0 (Default)- Disabled.");
248 
249 int ql2xexchoffld = 1024;
250 module_param(ql2xexchoffld, uint, 0644);
251 MODULE_PARM_DESC(ql2xexchoffld,
252 	"Number of target exchanges.");
253 
254 int ql2xiniexchg = 1024;
255 module_param(ql2xiniexchg, uint, 0644);
256 MODULE_PARM_DESC(ql2xiniexchg,
257 	"Number of initiator exchanges.");
258 
259 int ql2xfwholdabts;
260 module_param(ql2xfwholdabts, int, S_IRUGO);
261 MODULE_PARM_DESC(ql2xfwholdabts,
262 		"Allow FW to hold status IOCB until ABTS rsp received. "
263 		"0 (Default) Do not set fw option. "
264 		"1 - Set fw option to hold ABTS.");
265 
266 int ql2xmvasynctoatio = 1;
267 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
268 MODULE_PARM_DESC(ql2xmvasynctoatio,
269 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
270 		"0 (Default). Do not move IOCBs"
271 		"1 - Move IOCBs.");
272 
273 int ql2xautodetectsfp = 1;
274 module_param(ql2xautodetectsfp, int, 0444);
275 MODULE_PARM_DESC(ql2xautodetectsfp,
276 		 "Detect SFP range and set appropriate distance.\n"
277 		 "1 (Default): Enable\n");
278 
279 int ql2xenablemsix = 1;
280 module_param(ql2xenablemsix, int, 0444);
281 MODULE_PARM_DESC(ql2xenablemsix,
282 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
283 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
284 		 " 0 -- enable traditional pin-based mechanism.\n"
285 		 " 1 -- enable MSI-X interrupt mechanism.\n"
286 		 " 2 -- enable MSI interrupt mechanism.\n");
287 
288 int qla2xuseresexchforels;
289 module_param(qla2xuseresexchforels, int, 0444);
290 MODULE_PARM_DESC(qla2xuseresexchforels,
291 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
292 		 " 0 (default): disabled");
293 
294 static int ql2xprotmask;
295 module_param(ql2xprotmask, int, 0644);
296 MODULE_PARM_DESC(ql2xprotmask,
297 		 "Override DIF/DIX protection capabilities mask\n"
298 		 "Default is 0 which sets protection mask based on "
299 		 "capabilities reported by HBA firmware.\n");
300 
301 static int ql2xprotguard;
302 module_param(ql2xprotguard, int, 0644);
303 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
304 		 "  0 -- Let HBA firmware decide\n"
305 		 "  1 -- Force T10 CRC\n"
306 		 "  2 -- Force IP checksum\n");
307 
308 int ql2xdifbundlinginternalbuffers;
309 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
310 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
311     "Force using internal buffers for DIF information\n"
312     "0 (Default). Based on check.\n"
313     "1 Force using internal buffers\n");
314 
315 int ql2xsmartsan;
316 module_param(ql2xsmartsan, int, 0444);
317 module_param_named(smartsan, ql2xsmartsan, int, 0444);
318 MODULE_PARM_DESC(ql2xsmartsan,
319 		"Send SmartSAN Management Attributes for FDMI Registration."
320 		" Default is 0 - No SmartSAN registration,"
321 		" 1 - Register SmartSAN Management Attributes.");
322 
323 int ql2xrdpenable;
324 module_param(ql2xrdpenable, int, 0444);
325 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
326 MODULE_PARM_DESC(ql2xrdpenable,
327 		"Enables RDP responses. "
328 		"0 - no RDP responses (default). "
329 		"1 - provide RDP responses.");
330 int ql2xabts_wait_nvme = 1;
331 module_param(ql2xabts_wait_nvme, int, 0444);
332 MODULE_PARM_DESC(ql2xabts_wait_nvme,
333 		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
334 
335 
336 static void qla2x00_clear_drv_active(struct qla_hw_data *);
337 static void qla2x00_free_device(scsi_qla_host_t *);
338 static int qla2xxx_map_queues(struct Scsi_Host *shost);
339 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
340 
341 
342 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
343 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
344 
345 /* TODO Convert to inlines
346  *
347  * Timer routines
348  */
349 
350 __inline__ void
351 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
352 {
353 	timer_setup(&vha->timer, qla2x00_timer, 0);
354 	vha->timer.expires = jiffies + interval * HZ;
355 	add_timer(&vha->timer);
356 	vha->timer_active = 1;
357 }
358 
359 static inline void
360 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
361 {
362 	/* Currently used for 82XX only. */
363 	if (vha->device_flags & DFLG_DEV_FAILED) {
364 		ql_dbg(ql_dbg_timer, vha, 0x600d,
365 		    "Device in a failed state, returning.\n");
366 		return;
367 	}
368 
369 	mod_timer(&vha->timer, jiffies + interval * HZ);
370 }
371 
372 static __inline__ void
373 qla2x00_stop_timer(scsi_qla_host_t *vha)
374 {
375 	del_timer_sync(&vha->timer);
376 	vha->timer_active = 0;
377 }
378 
379 static int qla2x00_do_dpc(void *data);
380 
381 static void qla2x00_rst_aen(scsi_qla_host_t *);
382 
383 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
384 	struct req_que **, struct rsp_que **);
385 static void qla2x00_free_fw_dump(struct qla_hw_data *);
386 static void qla2x00_mem_free(struct qla_hw_data *);
387 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
388 	struct qla_qpair *qpair);
389 
390 /* -------------------------------------------------------------------------- */
391 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
392     struct rsp_que *rsp)
393 {
394 	struct qla_hw_data *ha = vha->hw;
395 
396 	rsp->qpair = ha->base_qpair;
397 	rsp->req = req;
398 	ha->base_qpair->hw = ha;
399 	ha->base_qpair->req = req;
400 	ha->base_qpair->rsp = rsp;
401 	ha->base_qpair->vha = vha;
402 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
403 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
404 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
405 	ha->base_qpair->srb_mempool = ha->srb_mempool;
406 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
407 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
408 	/* init qpair to this cpu. Will adjust at run time. */
409 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
410 	ha->base_qpair->pdev = ha->pdev;
411 
412 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
413 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
414 }
415 
416 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
417 				struct rsp_que *rsp)
418 {
419 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
420 
421 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
422 				GFP_KERNEL);
423 	if (!ha->req_q_map) {
424 		ql_log(ql_log_fatal, vha, 0x003b,
425 		    "Unable to allocate memory for request queue ptrs.\n");
426 		goto fail_req_map;
427 	}
428 
429 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
430 				GFP_KERNEL);
431 	if (!ha->rsp_q_map) {
432 		ql_log(ql_log_fatal, vha, 0x003c,
433 		    "Unable to allocate memory for response queue ptrs.\n");
434 		goto fail_rsp_map;
435 	}
436 
437 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
438 	if (ha->base_qpair == NULL) {
439 		ql_log(ql_log_warn, vha, 0x00e0,
440 		    "Failed to allocate base queue pair memory.\n");
441 		goto fail_base_qpair;
442 	}
443 
444 	qla_init_base_qpair(vha, req, rsp);
445 
446 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
447 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
448 			GFP_KERNEL);
449 		if (!ha->queue_pair_map) {
450 			ql_log(ql_log_fatal, vha, 0x0180,
451 			    "Unable to allocate memory for queue pair ptrs.\n");
452 			goto fail_qpair_map;
453 		}
454 	}
455 
456 	/*
457 	 * Make sure we record at least the request and response queue zero in
458 	 * case we need to free them if part of the probe fails.
459 	 */
460 	ha->rsp_q_map[0] = rsp;
461 	ha->req_q_map[0] = req;
462 	set_bit(0, ha->rsp_qid_map);
463 	set_bit(0, ha->req_qid_map);
464 	return 0;
465 
466 fail_qpair_map:
467 	kfree(ha->base_qpair);
468 	ha->base_qpair = NULL;
469 fail_base_qpair:
470 	kfree(ha->rsp_q_map);
471 	ha->rsp_q_map = NULL;
472 fail_rsp_map:
473 	kfree(ha->req_q_map);
474 	ha->req_q_map = NULL;
475 fail_req_map:
476 	return -ENOMEM;
477 }
478 
479 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
480 {
481 	if (IS_QLAFX00(ha)) {
482 		if (req && req->ring_fx00)
483 			dma_free_coherent(&ha->pdev->dev,
484 			    (req->length_fx00 + 1) * sizeof(request_t),
485 			    req->ring_fx00, req->dma_fx00);
486 	} else if (req && req->ring)
487 		dma_free_coherent(&ha->pdev->dev,
488 		(req->length + 1) * sizeof(request_t),
489 		req->ring, req->dma);
490 
491 	if (req)
492 		kfree(req->outstanding_cmds);
493 
494 	kfree(req);
495 }
496 
497 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
498 {
499 	if (IS_QLAFX00(ha)) {
500 		if (rsp && rsp->ring_fx00)
501 			dma_free_coherent(&ha->pdev->dev,
502 			    (rsp->length_fx00 + 1) * sizeof(request_t),
503 			    rsp->ring_fx00, rsp->dma_fx00);
504 	} else if (rsp && rsp->ring) {
505 		dma_free_coherent(&ha->pdev->dev,
506 		(rsp->length + 1) * sizeof(response_t),
507 		rsp->ring, rsp->dma);
508 	}
509 	kfree(rsp);
510 }
511 
512 static void qla2x00_free_queues(struct qla_hw_data *ha)
513 {
514 	struct req_que *req;
515 	struct rsp_que *rsp;
516 	int cnt;
517 	unsigned long flags;
518 
519 	if (ha->queue_pair_map) {
520 		kfree(ha->queue_pair_map);
521 		ha->queue_pair_map = NULL;
522 	}
523 	if (ha->base_qpair) {
524 		kfree(ha->base_qpair);
525 		ha->base_qpair = NULL;
526 	}
527 
528 	spin_lock_irqsave(&ha->hardware_lock, flags);
529 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
530 		if (!test_bit(cnt, ha->req_qid_map))
531 			continue;
532 
533 		req = ha->req_q_map[cnt];
534 		clear_bit(cnt, ha->req_qid_map);
535 		ha->req_q_map[cnt] = NULL;
536 
537 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
538 		qla2x00_free_req_que(ha, req);
539 		spin_lock_irqsave(&ha->hardware_lock, flags);
540 	}
541 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
542 
543 	kfree(ha->req_q_map);
544 	ha->req_q_map = NULL;
545 
546 
547 	spin_lock_irqsave(&ha->hardware_lock, flags);
548 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
549 		if (!test_bit(cnt, ha->rsp_qid_map))
550 			continue;
551 
552 		rsp = ha->rsp_q_map[cnt];
553 		clear_bit(cnt, ha->rsp_qid_map);
554 		ha->rsp_q_map[cnt] =  NULL;
555 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
556 		qla2x00_free_rsp_que(ha, rsp);
557 		spin_lock_irqsave(&ha->hardware_lock, flags);
558 	}
559 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
560 
561 	kfree(ha->rsp_q_map);
562 	ha->rsp_q_map = NULL;
563 }
564 
565 static char *
566 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
567 {
568 	struct qla_hw_data *ha = vha->hw;
569 	static const char *const pci_bus_modes[] = {
570 		"33", "66", "100", "133",
571 	};
572 	uint16_t pci_bus;
573 
574 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
575 	if (pci_bus) {
576 		snprintf(str, str_len, "PCI-X (%s MHz)",
577 			 pci_bus_modes[pci_bus]);
578 	} else {
579 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
580 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
581 	}
582 
583 	return str;
584 }
585 
586 static char *
587 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
588 {
589 	static const char *const pci_bus_modes[] = {
590 		"33", "66", "100", "133",
591 	};
592 	struct qla_hw_data *ha = vha->hw;
593 	uint32_t pci_bus;
594 
595 	if (pci_is_pcie(ha->pdev)) {
596 		uint32_t lstat, lspeed, lwidth;
597 		const char *speed_str;
598 
599 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
600 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
601 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
602 
603 		switch (lspeed) {
604 		case 1:
605 			speed_str = "2.5GT/s";
606 			break;
607 		case 2:
608 			speed_str = "5.0GT/s";
609 			break;
610 		case 3:
611 			speed_str = "8.0GT/s";
612 			break;
613 		case 4:
614 			speed_str = "16.0GT/s";
615 			break;
616 		default:
617 			speed_str = "<unknown>";
618 			break;
619 		}
620 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
621 
622 		return str;
623 	}
624 
625 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
626 	if (pci_bus == 0 || pci_bus == 8)
627 		snprintf(str, str_len, "PCI (%s MHz)",
628 			 pci_bus_modes[pci_bus >> 3]);
629 	else
630 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
631 			 pci_bus & 4 ? 2 : 1,
632 			 pci_bus_modes[pci_bus & 3]);
633 
634 	return str;
635 }
636 
637 static char *
638 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
639 {
640 	char un_str[10];
641 	struct qla_hw_data *ha = vha->hw;
642 
643 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
644 	    ha->fw_minor_version, ha->fw_subminor_version);
645 
646 	if (ha->fw_attributes & BIT_9) {
647 		strcat(str, "FLX");
648 		return (str);
649 	}
650 
651 	switch (ha->fw_attributes & 0xFF) {
652 	case 0x7:
653 		strcat(str, "EF");
654 		break;
655 	case 0x17:
656 		strcat(str, "TP");
657 		break;
658 	case 0x37:
659 		strcat(str, "IP");
660 		break;
661 	case 0x77:
662 		strcat(str, "VI");
663 		break;
664 	default:
665 		sprintf(un_str, "(%x)", ha->fw_attributes);
666 		strcat(str, un_str);
667 		break;
668 	}
669 	if (ha->fw_attributes & 0x100)
670 		strcat(str, "X");
671 
672 	return (str);
673 }
674 
675 static char *
676 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
677 {
678 	struct qla_hw_data *ha = vha->hw;
679 
680 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
681 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
682 	return str;
683 }
684 
685 void qla2x00_sp_free_dma(srb_t *sp)
686 {
687 	struct qla_hw_data *ha = sp->vha->hw;
688 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
689 
690 	if (sp->flags & SRB_DMA_VALID) {
691 		scsi_dma_unmap(cmd);
692 		sp->flags &= ~SRB_DMA_VALID;
693 	}
694 
695 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
696 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
697 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
698 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
699 	}
700 
701 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
702 		/* List assured to be having elements */
703 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
704 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
705 	}
706 
707 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
708 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
709 
710 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
711 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
712 	}
713 
714 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
715 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
716 
717 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
718 		    ctx1->fcp_cmnd_dma);
719 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
720 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
721 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
722 		mempool_free(ctx1, ha->ctx_mempool);
723 	}
724 }
725 
726 void qla2x00_sp_compl(srb_t *sp, int res)
727 {
728 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
729 	struct completion *comp = sp->comp;
730 
731 	sp->free(sp);
732 	cmd->result = res;
733 	CMD_SP(cmd) = NULL;
734 	cmd->scsi_done(cmd);
735 	if (comp)
736 		complete(comp);
737 }
738 
739 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
740 {
741 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
742 	struct qla_hw_data *ha = sp->fcport->vha->hw;
743 
744 	if (sp->flags & SRB_DMA_VALID) {
745 		scsi_dma_unmap(cmd);
746 		sp->flags &= ~SRB_DMA_VALID;
747 	}
748 
749 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
750 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
751 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
752 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
753 	}
754 
755 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
756 		/* List assured to be having elements */
757 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
758 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
759 	}
760 
761 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
762 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
763 		struct dsd_dma *dif_dsd, *nxt_dsd;
764 
765 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
766 		    &difctx->ldif_dma_hndl_list, list) {
767 			list_del(&dif_dsd->list);
768 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
769 			    dif_dsd->dsd_list_dma);
770 			kfree(dif_dsd);
771 			difctx->no_dif_bundl--;
772 		}
773 
774 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
775 		    &difctx->ldif_dsd_list, list) {
776 			list_del(&dif_dsd->list);
777 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
778 			    dif_dsd->dsd_list_dma);
779 			kfree(dif_dsd);
780 			difctx->no_ldif_dsd--;
781 		}
782 
783 		if (difctx->no_ldif_dsd) {
784 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
785 			    "%s: difctx->no_ldif_dsd=%x\n",
786 			    __func__, difctx->no_ldif_dsd);
787 		}
788 
789 		if (difctx->no_dif_bundl) {
790 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
791 			    "%s: difctx->no_dif_bundl=%x\n",
792 			    __func__, difctx->no_dif_bundl);
793 		}
794 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
795 	}
796 
797 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
798 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
799 
800 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
801 		    ctx1->fcp_cmnd_dma);
802 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
803 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
804 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
805 		mempool_free(ctx1, ha->ctx_mempool);
806 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
807 	}
808 
809 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
810 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
811 
812 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
813 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
814 	}
815 }
816 
817 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
818 {
819 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
820 	struct completion *comp = sp->comp;
821 
822 	sp->free(sp);
823 	cmd->result = res;
824 	CMD_SP(cmd) = NULL;
825 	cmd->scsi_done(cmd);
826 	if (comp)
827 		complete(comp);
828 }
829 
830 static int
831 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
832 {
833 	scsi_qla_host_t *vha = shost_priv(host);
834 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
835 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
836 	struct qla_hw_data *ha = vha->hw;
837 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
838 	srb_t *sp;
839 	int rval;
840 
841 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
842 	    WARN_ON_ONCE(!rport)) {
843 		cmd->result = DID_NO_CONNECT << 16;
844 		goto qc24_fail_command;
845 	}
846 
847 	if (ha->mqenable) {
848 		uint32_t tag;
849 		uint16_t hwq;
850 		struct qla_qpair *qpair = NULL;
851 
852 		tag = blk_mq_unique_tag(cmd->request);
853 		hwq = blk_mq_unique_tag_to_hwq(tag);
854 		qpair = ha->queue_pair_map[hwq];
855 
856 		if (qpair)
857 			return qla2xxx_mqueuecommand(host, cmd, qpair);
858 	}
859 
860 	if (ha->flags.eeh_busy) {
861 		if (ha->flags.pci_channel_io_perm_failure) {
862 			ql_dbg(ql_dbg_aer, vha, 0x9010,
863 			    "PCI Channel IO permanent failure, exiting "
864 			    "cmd=%p.\n", cmd);
865 			cmd->result = DID_NO_CONNECT << 16;
866 		} else {
867 			ql_dbg(ql_dbg_aer, vha, 0x9011,
868 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
869 			cmd->result = DID_REQUEUE << 16;
870 		}
871 		goto qc24_fail_command;
872 	}
873 
874 	rval = fc_remote_port_chkready(rport);
875 	if (rval) {
876 		cmd->result = rval;
877 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
878 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
879 		    cmd, rval);
880 		goto qc24_fail_command;
881 	}
882 
883 	if (!vha->flags.difdix_supported &&
884 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
885 			ql_dbg(ql_dbg_io, vha, 0x3004,
886 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
887 			    cmd);
888 			cmd->result = DID_NO_CONNECT << 16;
889 			goto qc24_fail_command;
890 	}
891 
892 	if (!fcport || fcport->deleted) {
893 		cmd->result = DID_IMM_RETRY << 16;
894 		goto qc24_fail_command;
895 	}
896 
897 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
898 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
899 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
900 			ql_dbg(ql_dbg_io, vha, 0x3005,
901 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
902 			    atomic_read(&fcport->state),
903 			    atomic_read(&base_vha->loop_state));
904 			cmd->result = DID_NO_CONNECT << 16;
905 			goto qc24_fail_command;
906 		}
907 		goto qc24_target_busy;
908 	}
909 
910 	/*
911 	 * Return target busy if we've received a non-zero retry_delay_timer
912 	 * in a FCP_RSP.
913 	 */
914 	if (fcport->retry_delay_timestamp == 0) {
915 		/* retry delay not set */
916 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
917 		fcport->retry_delay_timestamp = 0;
918 	else
919 		goto qc24_target_busy;
920 
921 	sp = scsi_cmd_priv(cmd);
922 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
923 
924 	sp->u.scmd.cmd = cmd;
925 	sp->type = SRB_SCSI_CMD;
926 
927 	CMD_SP(cmd) = (void *)sp;
928 	sp->free = qla2x00_sp_free_dma;
929 	sp->done = qla2x00_sp_compl;
930 
931 	rval = ha->isp_ops->start_scsi(sp);
932 	if (rval != QLA_SUCCESS) {
933 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
934 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
935 		goto qc24_host_busy_free_sp;
936 	}
937 
938 	return 0;
939 
940 qc24_host_busy_free_sp:
941 	sp->free(sp);
942 
943 qc24_target_busy:
944 	return SCSI_MLQUEUE_TARGET_BUSY;
945 
946 qc24_fail_command:
947 	cmd->scsi_done(cmd);
948 
949 	return 0;
950 }
951 
952 /* For MQ supported I/O */
953 int
954 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
955     struct qla_qpair *qpair)
956 {
957 	scsi_qla_host_t *vha = shost_priv(host);
958 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
959 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
960 	struct qla_hw_data *ha = vha->hw;
961 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
962 	srb_t *sp;
963 	int rval;
964 
965 	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
966 	if (rval) {
967 		cmd->result = rval;
968 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
969 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
970 		    cmd, rval);
971 		goto qc24_fail_command;
972 	}
973 
974 	if (!fcport || fcport->deleted) {
975 		cmd->result = DID_IMM_RETRY << 16;
976 		goto qc24_fail_command;
977 	}
978 
979 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
980 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
981 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
982 			ql_dbg(ql_dbg_io, vha, 0x3077,
983 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
984 			    atomic_read(&fcport->state),
985 			    atomic_read(&base_vha->loop_state));
986 			cmd->result = DID_NO_CONNECT << 16;
987 			goto qc24_fail_command;
988 		}
989 		goto qc24_target_busy;
990 	}
991 
992 	/*
993 	 * Return target busy if we've received a non-zero retry_delay_timer
994 	 * in a FCP_RSP.
995 	 */
996 	if (fcport->retry_delay_timestamp == 0) {
997 		/* retry delay not set */
998 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
999 		fcport->retry_delay_timestamp = 0;
1000 	else
1001 		goto qc24_target_busy;
1002 
1003 	sp = scsi_cmd_priv(cmd);
1004 	qla2xxx_init_sp(sp, vha, qpair, fcport);
1005 
1006 	sp->u.scmd.cmd = cmd;
1007 	sp->type = SRB_SCSI_CMD;
1008 	CMD_SP(cmd) = (void *)sp;
1009 	sp->free = qla2xxx_qpair_sp_free_dma;
1010 	sp->done = qla2xxx_qpair_sp_compl;
1011 
1012 	rval = ha->isp_ops->start_scsi_mq(sp);
1013 	if (rval != QLA_SUCCESS) {
1014 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1015 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1016 		if (rval == QLA_INTERFACE_ERROR)
1017 			goto qc24_free_sp_fail_command;
1018 		goto qc24_host_busy_free_sp;
1019 	}
1020 
1021 	return 0;
1022 
1023 qc24_host_busy_free_sp:
1024 	sp->free(sp);
1025 
1026 qc24_target_busy:
1027 	return SCSI_MLQUEUE_TARGET_BUSY;
1028 
1029 qc24_free_sp_fail_command:
1030 	sp->free(sp);
1031 	CMD_SP(cmd) = NULL;
1032 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
1033 
1034 qc24_fail_command:
1035 	cmd->scsi_done(cmd);
1036 
1037 	return 0;
1038 }
1039 
1040 /*
1041  * qla2x00_eh_wait_on_command
1042  *    Waits for the command to be returned by the Firmware for some
1043  *    max time.
1044  *
1045  * Input:
1046  *    cmd = Scsi Command to wait on.
1047  *
1048  * Return:
1049  *    Completed in time : QLA_SUCCESS
1050  *    Did not complete in time : QLA_FUNCTION_FAILED
1051  */
1052 static int
1053 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1054 {
1055 #define ABORT_POLLING_PERIOD	1000
1056 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1057 	unsigned long wait_iter = ABORT_WAIT_ITER;
1058 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1059 	struct qla_hw_data *ha = vha->hw;
1060 	int ret = QLA_SUCCESS;
1061 
1062 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1063 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1064 		    "Return:eh_wait.\n");
1065 		return ret;
1066 	}
1067 
1068 	while (CMD_SP(cmd) && wait_iter--) {
1069 		msleep(ABORT_POLLING_PERIOD);
1070 	}
1071 	if (CMD_SP(cmd))
1072 		ret = QLA_FUNCTION_FAILED;
1073 
1074 	return ret;
1075 }
1076 
1077 /*
1078  * qla2x00_wait_for_hba_online
1079  *    Wait till the HBA is online after going through
1080  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1081  *    finally HBA is disabled ie marked offline
1082  *
1083  * Input:
1084  *     ha - pointer to host adapter structure
1085  *
1086  * Note:
1087  *    Does context switching-Release SPIN_LOCK
1088  *    (if any) before calling this routine.
1089  *
1090  * Return:
1091  *    Success (Adapter is online) : 0
1092  *    Failed  (Adapter is offline/disabled) : 1
1093  */
1094 int
1095 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1096 {
1097 	int		return_status;
1098 	unsigned long	wait_online;
1099 	struct qla_hw_data *ha = vha->hw;
1100 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1101 
1102 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1103 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1104 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1105 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1106 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1107 
1108 		msleep(1000);
1109 	}
1110 	if (base_vha->flags.online)
1111 		return_status = QLA_SUCCESS;
1112 	else
1113 		return_status = QLA_FUNCTION_FAILED;
1114 
1115 	return (return_status);
1116 }
1117 
1118 static inline int test_fcport_count(scsi_qla_host_t *vha)
1119 {
1120 	struct qla_hw_data *ha = vha->hw;
1121 	unsigned long flags;
1122 	int res;
1123 
1124 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1125 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1126 	    "tgt %p, fcport_count=%d\n",
1127 	    vha, vha->fcport_count);
1128 	res = (vha->fcport_count == 0);
1129 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1130 
1131 	return res;
1132 }
1133 
1134 /*
1135  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1136  * it has dependency on UNLOADING flag to stop device discovery
1137  */
1138 void
1139 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1140 {
1141 	u8 i;
1142 
1143 	qla2x00_mark_all_devices_lost(vha);
1144 
1145 	for (i = 0; i < 10; i++) {
1146 		if (wait_event_timeout(vha->fcport_waitQ,
1147 		    test_fcport_count(vha), HZ) > 0)
1148 			break;
1149 	}
1150 
1151 	flush_workqueue(vha->hw->wq);
1152 }
1153 
1154 /*
1155  * qla2x00_wait_for_hba_ready
1156  * Wait till the HBA is ready before doing driver unload
1157  *
1158  * Input:
1159  *     ha - pointer to host adapter structure
1160  *
1161  * Note:
1162  *    Does context switching-Release SPIN_LOCK
1163  *    (if any) before calling this routine.
1164  *
1165  */
1166 static void
1167 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1168 {
1169 	struct qla_hw_data *ha = vha->hw;
1170 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1171 
1172 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1173 		ha->flags.mbox_busy) ||
1174 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1175 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1176 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1177 			break;
1178 		msleep(1000);
1179 	}
1180 }
1181 
1182 int
1183 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1184 {
1185 	int		return_status;
1186 	unsigned long	wait_reset;
1187 	struct qla_hw_data *ha = vha->hw;
1188 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1189 
1190 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1191 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1192 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1193 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1194 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1195 
1196 		msleep(1000);
1197 
1198 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1199 		    ha->flags.chip_reset_done)
1200 			break;
1201 	}
1202 	if (ha->flags.chip_reset_done)
1203 		return_status = QLA_SUCCESS;
1204 	else
1205 		return_status = QLA_FUNCTION_FAILED;
1206 
1207 	return return_status;
1208 }
1209 
1210 #define ISP_REG_DISCONNECT 0xffffffffU
1211 /**************************************************************************
1212 * qla2x00_isp_reg_stat
1213 *
1214 * Description:
1215 *	Read the host status register of ISP before aborting the command.
1216 *
1217 * Input:
1218 *	ha = pointer to host adapter structure.
1219 *
1220 *
1221 * Returns:
1222 *	Either true or false.
1223 *
1224 * Note:	Return true if there is register disconnect.
1225 **************************************************************************/
1226 static inline
1227 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1228 {
1229 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1230 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1231 
1232 	if (IS_P3P_TYPE(ha))
1233 		return ((rd_reg_dword(&reg82->host_int)) == ISP_REG_DISCONNECT);
1234 	else
1235 		return ((rd_reg_dword(&reg->host_status)) ==
1236 			ISP_REG_DISCONNECT);
1237 }
1238 
1239 /**************************************************************************
1240 * qla2xxx_eh_abort
1241 *
1242 * Description:
1243 *    The abort function will abort the specified command.
1244 *
1245 * Input:
1246 *    cmd = Linux SCSI command packet to be aborted.
1247 *
1248 * Returns:
1249 *    Either SUCCESS or FAILED.
1250 *
1251 * Note:
1252 *    Only return FAILED if command not returned by firmware.
1253 **************************************************************************/
1254 static int
1255 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1256 {
1257 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1258 	DECLARE_COMPLETION_ONSTACK(comp);
1259 	srb_t *sp;
1260 	int ret;
1261 	unsigned int id;
1262 	uint64_t lun;
1263 	int rval;
1264 	struct qla_hw_data *ha = vha->hw;
1265 	uint32_t ratov_j;
1266 	struct qla_qpair *qpair;
1267 	unsigned long flags;
1268 
1269 	if (qla2x00_isp_reg_stat(ha)) {
1270 		ql_log(ql_log_info, vha, 0x8042,
1271 		    "PCI/Register disconnect, exiting.\n");
1272 		return FAILED;
1273 	}
1274 
1275 	ret = fc_block_scsi_eh(cmd);
1276 	if (ret != 0)
1277 		return ret;
1278 
1279 	sp = scsi_cmd_priv(cmd);
1280 	qpair = sp->qpair;
1281 
1282 	vha->cmd_timeout_cnt++;
1283 
1284 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1285 		return SUCCESS;
1286 
1287 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1288 	sp->comp = &comp;
1289 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1290 
1291 
1292 	id = cmd->device->id;
1293 	lun = cmd->device->lun;
1294 
1295 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1296 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1297 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1298 
1299 	/*
1300 	 * Abort will release the original Command/sp from FW. Let the
1301 	 * original command call scsi_done. In return, he will wakeup
1302 	 * this sleeping thread.
1303 	 */
1304 	rval = ha->isp_ops->abort_command(sp);
1305 
1306 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1307 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1308 
1309 	/* Wait for the command completion. */
1310 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1311 	ratov_j = msecs_to_jiffies(ratov_j);
1312 	switch (rval) {
1313 	case QLA_SUCCESS:
1314 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1315 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1316 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1317 			    __func__, ha->r_a_tov/10);
1318 			ret = FAILED;
1319 		} else {
1320 			ret = SUCCESS;
1321 		}
1322 		break;
1323 	default:
1324 		ret = FAILED;
1325 		break;
1326 	}
1327 
1328 	sp->comp = NULL;
1329 
1330 	ql_log(ql_log_info, vha, 0x801c,
1331 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1332 	    vha->host_no, id, lun, ret);
1333 
1334 	return ret;
1335 }
1336 
1337 /*
1338  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1339  */
1340 int
1341 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1342 	uint64_t l, enum nexus_wait_type type)
1343 {
1344 	int cnt, match, status;
1345 	unsigned long flags;
1346 	struct qla_hw_data *ha = vha->hw;
1347 	struct req_que *req;
1348 	srb_t *sp;
1349 	struct scsi_cmnd *cmd;
1350 
1351 	status = QLA_SUCCESS;
1352 
1353 	spin_lock_irqsave(&ha->hardware_lock, flags);
1354 	req = vha->req;
1355 	for (cnt = 1; status == QLA_SUCCESS &&
1356 		cnt < req->num_outstanding_cmds; cnt++) {
1357 		sp = req->outstanding_cmds[cnt];
1358 		if (!sp)
1359 			continue;
1360 		if (sp->type != SRB_SCSI_CMD)
1361 			continue;
1362 		if (vha->vp_idx != sp->vha->vp_idx)
1363 			continue;
1364 		match = 0;
1365 		cmd = GET_CMD_SP(sp);
1366 		switch (type) {
1367 		case WAIT_HOST:
1368 			match = 1;
1369 			break;
1370 		case WAIT_TARGET:
1371 			match = cmd->device->id == t;
1372 			break;
1373 		case WAIT_LUN:
1374 			match = (cmd->device->id == t &&
1375 				cmd->device->lun == l);
1376 			break;
1377 		}
1378 		if (!match)
1379 			continue;
1380 
1381 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1382 		status = qla2x00_eh_wait_on_command(cmd);
1383 		spin_lock_irqsave(&ha->hardware_lock, flags);
1384 	}
1385 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1386 
1387 	return status;
1388 }
1389 
1390 static char *reset_errors[] = {
1391 	"HBA not online",
1392 	"HBA not ready",
1393 	"Task management failed",
1394 	"Waiting for command completions",
1395 };
1396 
1397 static int
1398 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1399     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1400 {
1401 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1402 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1403 	int err;
1404 
1405 	if (!fcport) {
1406 		return FAILED;
1407 	}
1408 
1409 	err = fc_block_scsi_eh(cmd);
1410 	if (err != 0)
1411 		return err;
1412 
1413 	if (fcport->deleted)
1414 		return SUCCESS;
1415 
1416 	ql_log(ql_log_info, vha, 0x8009,
1417 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1418 	    cmd->device->id, cmd->device->lun, cmd);
1419 
1420 	err = 0;
1421 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1422 		ql_log(ql_log_warn, vha, 0x800a,
1423 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1424 		goto eh_reset_failed;
1425 	}
1426 	err = 2;
1427 	if (do_reset(fcport, cmd->device->lun, 1)
1428 		!= QLA_SUCCESS) {
1429 		ql_log(ql_log_warn, vha, 0x800c,
1430 		    "do_reset failed for cmd=%p.\n", cmd);
1431 		goto eh_reset_failed;
1432 	}
1433 	err = 3;
1434 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1435 	    cmd->device->lun, type) != QLA_SUCCESS) {
1436 		ql_log(ql_log_warn, vha, 0x800d,
1437 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1438 		goto eh_reset_failed;
1439 	}
1440 
1441 	ql_log(ql_log_info, vha, 0x800e,
1442 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1443 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1444 
1445 	return SUCCESS;
1446 
1447 eh_reset_failed:
1448 	ql_log(ql_log_info, vha, 0x800f,
1449 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1450 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1451 	    cmd);
1452 	vha->reset_cmd_err_cnt++;
1453 	return FAILED;
1454 }
1455 
1456 static int
1457 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1458 {
1459 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1460 	struct qla_hw_data *ha = vha->hw;
1461 
1462 	if (qla2x00_isp_reg_stat(ha)) {
1463 		ql_log(ql_log_info, vha, 0x803e,
1464 		    "PCI/Register disconnect, exiting.\n");
1465 		return FAILED;
1466 	}
1467 
1468 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1469 	    ha->isp_ops->lun_reset);
1470 }
1471 
1472 static int
1473 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1474 {
1475 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1476 	struct qla_hw_data *ha = vha->hw;
1477 
1478 	if (qla2x00_isp_reg_stat(ha)) {
1479 		ql_log(ql_log_info, vha, 0x803f,
1480 		    "PCI/Register disconnect, exiting.\n");
1481 		return FAILED;
1482 	}
1483 
1484 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1485 	    ha->isp_ops->target_reset);
1486 }
1487 
1488 /**************************************************************************
1489 * qla2xxx_eh_bus_reset
1490 *
1491 * Description:
1492 *    The bus reset function will reset the bus and abort any executing
1493 *    commands.
1494 *
1495 * Input:
1496 *    cmd = Linux SCSI command packet of the command that cause the
1497 *          bus reset.
1498 *
1499 * Returns:
1500 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1501 *
1502 **************************************************************************/
1503 static int
1504 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1505 {
1506 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1507 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1508 	int ret = FAILED;
1509 	unsigned int id;
1510 	uint64_t lun;
1511 	struct qla_hw_data *ha = vha->hw;
1512 
1513 	if (qla2x00_isp_reg_stat(ha)) {
1514 		ql_log(ql_log_info, vha, 0x8040,
1515 		    "PCI/Register disconnect, exiting.\n");
1516 		return FAILED;
1517 	}
1518 
1519 	id = cmd->device->id;
1520 	lun = cmd->device->lun;
1521 
1522 	if (!fcport) {
1523 		return ret;
1524 	}
1525 
1526 	ret = fc_block_scsi_eh(cmd);
1527 	if (ret != 0)
1528 		return ret;
1529 	ret = FAILED;
1530 
1531 	if (qla2x00_chip_is_down(vha))
1532 		return ret;
1533 
1534 	ql_log(ql_log_info, vha, 0x8012,
1535 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1536 
1537 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1538 		ql_log(ql_log_fatal, vha, 0x8013,
1539 		    "Wait for hba online failed board disabled.\n");
1540 		goto eh_bus_reset_done;
1541 	}
1542 
1543 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1544 		ret = SUCCESS;
1545 
1546 	if (ret == FAILED)
1547 		goto eh_bus_reset_done;
1548 
1549 	/* Flush outstanding commands. */
1550 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1551 	    QLA_SUCCESS) {
1552 		ql_log(ql_log_warn, vha, 0x8014,
1553 		    "Wait for pending commands failed.\n");
1554 		ret = FAILED;
1555 	}
1556 
1557 eh_bus_reset_done:
1558 	ql_log(ql_log_warn, vha, 0x802b,
1559 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1560 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1561 
1562 	return ret;
1563 }
1564 
1565 /**************************************************************************
1566 * qla2xxx_eh_host_reset
1567 *
1568 * Description:
1569 *    The reset function will reset the Adapter.
1570 *
1571 * Input:
1572 *      cmd = Linux SCSI command packet of the command that cause the
1573 *            adapter reset.
1574 *
1575 * Returns:
1576 *      Either SUCCESS or FAILED.
1577 *
1578 * Note:
1579 **************************************************************************/
1580 static int
1581 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1582 {
1583 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1584 	struct qla_hw_data *ha = vha->hw;
1585 	int ret = FAILED;
1586 	unsigned int id;
1587 	uint64_t lun;
1588 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1589 
1590 	if (qla2x00_isp_reg_stat(ha)) {
1591 		ql_log(ql_log_info, vha, 0x8041,
1592 		    "PCI/Register disconnect, exiting.\n");
1593 		schedule_work(&ha->board_disable);
1594 		return SUCCESS;
1595 	}
1596 
1597 	id = cmd->device->id;
1598 	lun = cmd->device->lun;
1599 
1600 	ql_log(ql_log_info, vha, 0x8018,
1601 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1602 
1603 	/*
1604 	 * No point in issuing another reset if one is active.  Also do not
1605 	 * attempt a reset if we are updating flash.
1606 	 */
1607 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1608 		goto eh_host_reset_lock;
1609 
1610 	if (vha != base_vha) {
1611 		if (qla2x00_vp_abort_isp(vha))
1612 			goto eh_host_reset_lock;
1613 	} else {
1614 		if (IS_P3P_TYPE(vha->hw)) {
1615 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1616 				/* Ctx reset success */
1617 				ret = SUCCESS;
1618 				goto eh_host_reset_lock;
1619 			}
1620 			/* fall thru if ctx reset failed */
1621 		}
1622 		if (ha->wq)
1623 			flush_workqueue(ha->wq);
1624 
1625 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1626 		if (ha->isp_ops->abort_isp(base_vha)) {
1627 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1628 			/* failed. schedule dpc to try */
1629 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1630 
1631 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1632 				ql_log(ql_log_warn, vha, 0x802a,
1633 				    "wait for hba online failed.\n");
1634 				goto eh_host_reset_lock;
1635 			}
1636 		}
1637 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1638 	}
1639 
1640 	/* Waiting for command to be returned to OS.*/
1641 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1642 		QLA_SUCCESS)
1643 		ret = SUCCESS;
1644 
1645 eh_host_reset_lock:
1646 	ql_log(ql_log_info, vha, 0x8017,
1647 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1648 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1649 
1650 	return ret;
1651 }
1652 
1653 /*
1654 * qla2x00_loop_reset
1655 *      Issue loop reset.
1656 *
1657 * Input:
1658 *      ha = adapter block pointer.
1659 *
1660 * Returns:
1661 *      0 = success
1662 */
1663 int
1664 qla2x00_loop_reset(scsi_qla_host_t *vha)
1665 {
1666 	int ret;
1667 	struct fc_port *fcport;
1668 	struct qla_hw_data *ha = vha->hw;
1669 
1670 	if (IS_QLAFX00(ha)) {
1671 		return qlafx00_loop_reset(vha);
1672 	}
1673 
1674 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1675 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1676 			if (fcport->port_type != FCT_TARGET)
1677 				continue;
1678 
1679 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1680 			if (ret != QLA_SUCCESS) {
1681 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1682 				    "Bus Reset failed: Reset=%d "
1683 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1684 			}
1685 		}
1686 	}
1687 
1688 
1689 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1690 		atomic_set(&vha->loop_state, LOOP_DOWN);
1691 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1692 		qla2x00_mark_all_devices_lost(vha);
1693 		ret = qla2x00_full_login_lip(vha);
1694 		if (ret != QLA_SUCCESS) {
1695 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1696 			    "full_login_lip=%d.\n", ret);
1697 		}
1698 	}
1699 
1700 	if (ha->flags.enable_lip_reset) {
1701 		ret = qla2x00_lip_reset(vha);
1702 		if (ret != QLA_SUCCESS)
1703 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1704 			    "lip_reset failed (%d).\n", ret);
1705 	}
1706 
1707 	/* Issue marker command only when we are going to start the I/O */
1708 	vha->marker_needed = 1;
1709 
1710 	return QLA_SUCCESS;
1711 }
1712 
1713 /*
1714  * The caller must ensure that no completion interrupts will happen
1715  * while this function is in progress.
1716  */
1717 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1718 			      unsigned long *flags)
1719 	__releases(qp->qp_lock_ptr)
1720 	__acquires(qp->qp_lock_ptr)
1721 {
1722 	DECLARE_COMPLETION_ONSTACK(comp);
1723 	scsi_qla_host_t *vha = qp->vha;
1724 	struct qla_hw_data *ha = vha->hw;
1725 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1726 	int rval;
1727 	bool ret_cmd;
1728 	uint32_t ratov_j;
1729 
1730 	lockdep_assert_held(qp->qp_lock_ptr);
1731 
1732 	if (qla2x00_chip_is_down(vha)) {
1733 		sp->done(sp, res);
1734 		return;
1735 	}
1736 
1737 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1738 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1739 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1740 	     !qla2x00_isp_reg_stat(ha))) {
1741 		if (sp->comp) {
1742 			sp->done(sp, res);
1743 			return;
1744 		}
1745 
1746 		sp->comp = &comp;
1747 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1748 
1749 		rval = ha->isp_ops->abort_command(sp);
1750 		/* Wait for command completion. */
1751 		ret_cmd = false;
1752 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1753 		ratov_j = msecs_to_jiffies(ratov_j);
1754 		switch (rval) {
1755 		case QLA_SUCCESS:
1756 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1757 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1758 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1759 				    __func__, ha->r_a_tov/10);
1760 				ret_cmd = true;
1761 			}
1762 			/* else FW return SP to driver */
1763 			break;
1764 		default:
1765 			ret_cmd = true;
1766 			break;
1767 		}
1768 
1769 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1770 		if (ret_cmd && blk_mq_request_started(cmd->request))
1771 			sp->done(sp, res);
1772 	} else {
1773 		sp->done(sp, res);
1774 	}
1775 }
1776 
1777 /*
1778  * The caller must ensure that no completion interrupts will happen
1779  * while this function is in progress.
1780  */
1781 static void
1782 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1783 {
1784 	int cnt;
1785 	unsigned long flags;
1786 	srb_t *sp;
1787 	scsi_qla_host_t *vha = qp->vha;
1788 	struct qla_hw_data *ha = vha->hw;
1789 	struct req_que *req;
1790 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1791 	struct qla_tgt_cmd *cmd;
1792 
1793 	if (!ha->req_q_map)
1794 		return;
1795 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1796 	req = qp->req;
1797 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1798 		sp = req->outstanding_cmds[cnt];
1799 		if (sp) {
1800 			switch (sp->cmd_type) {
1801 			case TYPE_SRB:
1802 				qla2x00_abort_srb(qp, sp, res, &flags);
1803 				break;
1804 			case TYPE_TGT_CMD:
1805 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1806 				    qla_ini_mode_enabled(vha)) {
1807 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1808 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1809 					    vha->dpc_flags);
1810 					continue;
1811 				}
1812 				cmd = (struct qla_tgt_cmd *)sp;
1813 				cmd->aborted = 1;
1814 				break;
1815 			case TYPE_TGT_TMCMD:
1816 				/* Skip task management functions. */
1817 				break;
1818 			default:
1819 				break;
1820 			}
1821 			req->outstanding_cmds[cnt] = NULL;
1822 		}
1823 	}
1824 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1825 }
1826 
1827 /*
1828  * The caller must ensure that no completion interrupts will happen
1829  * while this function is in progress.
1830  */
1831 void
1832 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1833 {
1834 	int que;
1835 	struct qla_hw_data *ha = vha->hw;
1836 
1837 	/* Continue only if initialization complete. */
1838 	if (!ha->base_qpair)
1839 		return;
1840 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1841 
1842 	if (!ha->queue_pair_map)
1843 		return;
1844 	for (que = 0; que < ha->max_qpairs; que++) {
1845 		if (!ha->queue_pair_map[que])
1846 			continue;
1847 
1848 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1849 	}
1850 }
1851 
1852 static int
1853 qla2xxx_slave_alloc(struct scsi_device *sdev)
1854 {
1855 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1856 
1857 	if (!rport || fc_remote_port_chkready(rport))
1858 		return -ENXIO;
1859 
1860 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1861 
1862 	return 0;
1863 }
1864 
1865 static int
1866 qla2xxx_slave_configure(struct scsi_device *sdev)
1867 {
1868 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1869 	struct req_que *req = vha->req;
1870 
1871 	if (IS_T10_PI_CAPABLE(vha->hw))
1872 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1873 
1874 	scsi_change_queue_depth(sdev, req->max_q_depth);
1875 	return 0;
1876 }
1877 
1878 static void
1879 qla2xxx_slave_destroy(struct scsi_device *sdev)
1880 {
1881 	sdev->hostdata = NULL;
1882 }
1883 
1884 /**
1885  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1886  * @ha: HA context
1887  *
1888  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1889  * supported addressing method.
1890  */
1891 static void
1892 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1893 {
1894 	/* Assume a 32bit DMA mask. */
1895 	ha->flags.enable_64bit_addressing = 0;
1896 
1897 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1898 		/* Any upper-dword bits set? */
1899 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1900 		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1901 			/* Ok, a 64bit DMA mask is applicable. */
1902 			ha->flags.enable_64bit_addressing = 1;
1903 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1904 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1905 			return;
1906 		}
1907 	}
1908 
1909 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1910 	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1911 }
1912 
1913 static void
1914 qla2x00_enable_intrs(struct qla_hw_data *ha)
1915 {
1916 	unsigned long flags = 0;
1917 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1918 
1919 	spin_lock_irqsave(&ha->hardware_lock, flags);
1920 	ha->interrupts_on = 1;
1921 	/* enable risc and host interrupts */
1922 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1923 	rd_reg_word(&reg->ictrl);
1924 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1925 
1926 }
1927 
1928 static void
1929 qla2x00_disable_intrs(struct qla_hw_data *ha)
1930 {
1931 	unsigned long flags = 0;
1932 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1933 
1934 	spin_lock_irqsave(&ha->hardware_lock, flags);
1935 	ha->interrupts_on = 0;
1936 	/* disable risc and host interrupts */
1937 	wrt_reg_word(&reg->ictrl, 0);
1938 	rd_reg_word(&reg->ictrl);
1939 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1940 }
1941 
1942 static void
1943 qla24xx_enable_intrs(struct qla_hw_data *ha)
1944 {
1945 	unsigned long flags = 0;
1946 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1947 
1948 	spin_lock_irqsave(&ha->hardware_lock, flags);
1949 	ha->interrupts_on = 1;
1950 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
1951 	rd_reg_dword(&reg->ictrl);
1952 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1953 }
1954 
1955 static void
1956 qla24xx_disable_intrs(struct qla_hw_data *ha)
1957 {
1958 	unsigned long flags = 0;
1959 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1960 
1961 	if (IS_NOPOLLING_TYPE(ha))
1962 		return;
1963 	spin_lock_irqsave(&ha->hardware_lock, flags);
1964 	ha->interrupts_on = 0;
1965 	wrt_reg_dword(&reg->ictrl, 0);
1966 	rd_reg_dword(&reg->ictrl);
1967 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1968 }
1969 
1970 static int
1971 qla2x00_iospace_config(struct qla_hw_data *ha)
1972 {
1973 	resource_size_t pio;
1974 	uint16_t msix;
1975 
1976 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1977 	    QLA2XXX_DRIVER_NAME)) {
1978 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1979 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1980 		    pci_name(ha->pdev));
1981 		goto iospace_error_exit;
1982 	}
1983 	if (!(ha->bars & 1))
1984 		goto skip_pio;
1985 
1986 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1987 	pio = pci_resource_start(ha->pdev, 0);
1988 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1989 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1990 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1991 			    "Invalid pci I/O region size (%s).\n",
1992 			    pci_name(ha->pdev));
1993 			pio = 0;
1994 		}
1995 	} else {
1996 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1997 		    "Region #0 no a PIO resource (%s).\n",
1998 		    pci_name(ha->pdev));
1999 		pio = 0;
2000 	}
2001 	ha->pio_address = pio;
2002 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2003 	    "PIO address=%llu.\n",
2004 	    (unsigned long long)ha->pio_address);
2005 
2006 skip_pio:
2007 	/* Use MMIO operations for all accesses. */
2008 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2009 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2010 		    "Region #1 not an MMIO resource (%s), aborting.\n",
2011 		    pci_name(ha->pdev));
2012 		goto iospace_error_exit;
2013 	}
2014 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2015 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2016 		    "Invalid PCI mem region size (%s), aborting.\n",
2017 		    pci_name(ha->pdev));
2018 		goto iospace_error_exit;
2019 	}
2020 
2021 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2022 	if (!ha->iobase) {
2023 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2024 		    "Cannot remap MMIO (%s), aborting.\n",
2025 		    pci_name(ha->pdev));
2026 		goto iospace_error_exit;
2027 	}
2028 
2029 	/* Determine queue resources */
2030 	ha->max_req_queues = ha->max_rsp_queues = 1;
2031 	ha->msix_count = QLA_BASE_VECTORS;
2032 
2033 	/* Check if FW supports MQ or not */
2034 	if (!(ha->fw_attributes & BIT_6))
2035 		goto mqiobase_exit;
2036 
2037 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2038 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2039 		goto mqiobase_exit;
2040 
2041 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2042 			pci_resource_len(ha->pdev, 3));
2043 	if (ha->mqiobase) {
2044 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2045 		    "MQIO Base=%p.\n", ha->mqiobase);
2046 		/* Read MSIX vector size of the board */
2047 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2048 		ha->msix_count = msix + 1;
2049 		/* Max queues are bounded by available msix vectors */
2050 		/* MB interrupt uses 1 vector */
2051 		ha->max_req_queues = ha->msix_count - 1;
2052 		ha->max_rsp_queues = ha->max_req_queues;
2053 		/* Queue pairs is the max value minus the base queue pair */
2054 		ha->max_qpairs = ha->max_rsp_queues - 1;
2055 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2056 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2057 
2058 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2059 		    "MSI-X vector count: %d.\n", ha->msix_count);
2060 	} else
2061 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2062 		    "BAR 3 not enabled.\n");
2063 
2064 mqiobase_exit:
2065 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2066 	    "MSIX Count: %d.\n", ha->msix_count);
2067 	return (0);
2068 
2069 iospace_error_exit:
2070 	return (-ENOMEM);
2071 }
2072 
2073 
2074 static int
2075 qla83xx_iospace_config(struct qla_hw_data *ha)
2076 {
2077 	uint16_t msix;
2078 
2079 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2080 	    QLA2XXX_DRIVER_NAME)) {
2081 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2082 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2083 		    pci_name(ha->pdev));
2084 
2085 		goto iospace_error_exit;
2086 	}
2087 
2088 	/* Use MMIO operations for all accesses. */
2089 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2090 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2091 		    "Invalid pci I/O region size (%s).\n",
2092 		    pci_name(ha->pdev));
2093 		goto iospace_error_exit;
2094 	}
2095 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2096 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2097 		    "Invalid PCI mem region size (%s), aborting\n",
2098 			pci_name(ha->pdev));
2099 		goto iospace_error_exit;
2100 	}
2101 
2102 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2103 	if (!ha->iobase) {
2104 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2105 		    "Cannot remap MMIO (%s), aborting.\n",
2106 		    pci_name(ha->pdev));
2107 		goto iospace_error_exit;
2108 	}
2109 
2110 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2111 	/* 83XX 26XX always use MQ type access for queues
2112 	 * - mbar 2, a.k.a region 4 */
2113 	ha->max_req_queues = ha->max_rsp_queues = 1;
2114 	ha->msix_count = QLA_BASE_VECTORS;
2115 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2116 			pci_resource_len(ha->pdev, 4));
2117 
2118 	if (!ha->mqiobase) {
2119 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2120 		    "BAR2/region4 not enabled\n");
2121 		goto mqiobase_exit;
2122 	}
2123 
2124 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2125 			pci_resource_len(ha->pdev, 2));
2126 	if (ha->msixbase) {
2127 		/* Read MSIX vector size of the board */
2128 		pci_read_config_word(ha->pdev,
2129 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2130 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2131 		/*
2132 		 * By default, driver uses at least two msix vectors
2133 		 * (default & rspq)
2134 		 */
2135 		if (ql2xmqsupport || ql2xnvmeenable) {
2136 			/* MB interrupt uses 1 vector */
2137 			ha->max_req_queues = ha->msix_count - 1;
2138 
2139 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2140 			if (QLA_TGT_MODE_ENABLED())
2141 				ha->max_req_queues--;
2142 
2143 			ha->max_rsp_queues = ha->max_req_queues;
2144 
2145 			/* Queue pairs is the max value minus
2146 			 * the base queue pair */
2147 			ha->max_qpairs = ha->max_req_queues - 1;
2148 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2149 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2150 		}
2151 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2152 		    "MSI-X vector count: %d.\n", ha->msix_count);
2153 	} else
2154 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2155 		    "BAR 1 not enabled.\n");
2156 
2157 mqiobase_exit:
2158 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2159 	    "MSIX Count: %d.\n", ha->msix_count);
2160 	return 0;
2161 
2162 iospace_error_exit:
2163 	return -ENOMEM;
2164 }
2165 
2166 static struct isp_operations qla2100_isp_ops = {
2167 	.pci_config		= qla2100_pci_config,
2168 	.reset_chip		= qla2x00_reset_chip,
2169 	.chip_diag		= qla2x00_chip_diag,
2170 	.config_rings		= qla2x00_config_rings,
2171 	.reset_adapter		= qla2x00_reset_adapter,
2172 	.nvram_config		= qla2x00_nvram_config,
2173 	.update_fw_options	= qla2x00_update_fw_options,
2174 	.load_risc		= qla2x00_load_risc,
2175 	.pci_info_str		= qla2x00_pci_info_str,
2176 	.fw_version_str		= qla2x00_fw_version_str,
2177 	.intr_handler		= qla2100_intr_handler,
2178 	.enable_intrs		= qla2x00_enable_intrs,
2179 	.disable_intrs		= qla2x00_disable_intrs,
2180 	.abort_command		= qla2x00_abort_command,
2181 	.target_reset		= qla2x00_abort_target,
2182 	.lun_reset		= qla2x00_lun_reset,
2183 	.fabric_login		= qla2x00_login_fabric,
2184 	.fabric_logout		= qla2x00_fabric_logout,
2185 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2186 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2187 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2188 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2189 	.read_nvram		= qla2x00_read_nvram_data,
2190 	.write_nvram		= qla2x00_write_nvram_data,
2191 	.fw_dump		= qla2100_fw_dump,
2192 	.beacon_on		= NULL,
2193 	.beacon_off		= NULL,
2194 	.beacon_blink		= NULL,
2195 	.read_optrom		= qla2x00_read_optrom_data,
2196 	.write_optrom		= qla2x00_write_optrom_data,
2197 	.get_flash_version	= qla2x00_get_flash_version,
2198 	.start_scsi		= qla2x00_start_scsi,
2199 	.start_scsi_mq          = NULL,
2200 	.abort_isp		= qla2x00_abort_isp,
2201 	.iospace_config     	= qla2x00_iospace_config,
2202 	.initialize_adapter	= qla2x00_initialize_adapter,
2203 };
2204 
2205 static struct isp_operations qla2300_isp_ops = {
2206 	.pci_config		= qla2300_pci_config,
2207 	.reset_chip		= qla2x00_reset_chip,
2208 	.chip_diag		= qla2x00_chip_diag,
2209 	.config_rings		= qla2x00_config_rings,
2210 	.reset_adapter		= qla2x00_reset_adapter,
2211 	.nvram_config		= qla2x00_nvram_config,
2212 	.update_fw_options	= qla2x00_update_fw_options,
2213 	.load_risc		= qla2x00_load_risc,
2214 	.pci_info_str		= qla2x00_pci_info_str,
2215 	.fw_version_str		= qla2x00_fw_version_str,
2216 	.intr_handler		= qla2300_intr_handler,
2217 	.enable_intrs		= qla2x00_enable_intrs,
2218 	.disable_intrs		= qla2x00_disable_intrs,
2219 	.abort_command		= qla2x00_abort_command,
2220 	.target_reset		= qla2x00_abort_target,
2221 	.lun_reset		= qla2x00_lun_reset,
2222 	.fabric_login		= qla2x00_login_fabric,
2223 	.fabric_logout		= qla2x00_fabric_logout,
2224 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2225 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2226 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2227 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2228 	.read_nvram		= qla2x00_read_nvram_data,
2229 	.write_nvram		= qla2x00_write_nvram_data,
2230 	.fw_dump		= qla2300_fw_dump,
2231 	.beacon_on		= qla2x00_beacon_on,
2232 	.beacon_off		= qla2x00_beacon_off,
2233 	.beacon_blink		= qla2x00_beacon_blink,
2234 	.read_optrom		= qla2x00_read_optrom_data,
2235 	.write_optrom		= qla2x00_write_optrom_data,
2236 	.get_flash_version	= qla2x00_get_flash_version,
2237 	.start_scsi		= qla2x00_start_scsi,
2238 	.start_scsi_mq          = NULL,
2239 	.abort_isp		= qla2x00_abort_isp,
2240 	.iospace_config		= qla2x00_iospace_config,
2241 	.initialize_adapter	= qla2x00_initialize_adapter,
2242 };
2243 
2244 static struct isp_operations qla24xx_isp_ops = {
2245 	.pci_config		= qla24xx_pci_config,
2246 	.reset_chip		= qla24xx_reset_chip,
2247 	.chip_diag		= qla24xx_chip_diag,
2248 	.config_rings		= qla24xx_config_rings,
2249 	.reset_adapter		= qla24xx_reset_adapter,
2250 	.nvram_config		= qla24xx_nvram_config,
2251 	.update_fw_options	= qla24xx_update_fw_options,
2252 	.load_risc		= qla24xx_load_risc,
2253 	.pci_info_str		= qla24xx_pci_info_str,
2254 	.fw_version_str		= qla24xx_fw_version_str,
2255 	.intr_handler		= qla24xx_intr_handler,
2256 	.enable_intrs		= qla24xx_enable_intrs,
2257 	.disable_intrs		= qla24xx_disable_intrs,
2258 	.abort_command		= qla24xx_abort_command,
2259 	.target_reset		= qla24xx_abort_target,
2260 	.lun_reset		= qla24xx_lun_reset,
2261 	.fabric_login		= qla24xx_login_fabric,
2262 	.fabric_logout		= qla24xx_fabric_logout,
2263 	.calc_req_entries	= NULL,
2264 	.build_iocbs		= NULL,
2265 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2266 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2267 	.read_nvram		= qla24xx_read_nvram_data,
2268 	.write_nvram		= qla24xx_write_nvram_data,
2269 	.fw_dump		= qla24xx_fw_dump,
2270 	.beacon_on		= qla24xx_beacon_on,
2271 	.beacon_off		= qla24xx_beacon_off,
2272 	.beacon_blink		= qla24xx_beacon_blink,
2273 	.read_optrom		= qla24xx_read_optrom_data,
2274 	.write_optrom		= qla24xx_write_optrom_data,
2275 	.get_flash_version	= qla24xx_get_flash_version,
2276 	.start_scsi		= qla24xx_start_scsi,
2277 	.start_scsi_mq          = NULL,
2278 	.abort_isp		= qla2x00_abort_isp,
2279 	.iospace_config		= qla2x00_iospace_config,
2280 	.initialize_adapter	= qla2x00_initialize_adapter,
2281 };
2282 
2283 static struct isp_operations qla25xx_isp_ops = {
2284 	.pci_config		= qla25xx_pci_config,
2285 	.reset_chip		= qla24xx_reset_chip,
2286 	.chip_diag		= qla24xx_chip_diag,
2287 	.config_rings		= qla24xx_config_rings,
2288 	.reset_adapter		= qla24xx_reset_adapter,
2289 	.nvram_config		= qla24xx_nvram_config,
2290 	.update_fw_options	= qla24xx_update_fw_options,
2291 	.load_risc		= qla24xx_load_risc,
2292 	.pci_info_str		= qla24xx_pci_info_str,
2293 	.fw_version_str		= qla24xx_fw_version_str,
2294 	.intr_handler		= qla24xx_intr_handler,
2295 	.enable_intrs		= qla24xx_enable_intrs,
2296 	.disable_intrs		= qla24xx_disable_intrs,
2297 	.abort_command		= qla24xx_abort_command,
2298 	.target_reset		= qla24xx_abort_target,
2299 	.lun_reset		= qla24xx_lun_reset,
2300 	.fabric_login		= qla24xx_login_fabric,
2301 	.fabric_logout		= qla24xx_fabric_logout,
2302 	.calc_req_entries	= NULL,
2303 	.build_iocbs		= NULL,
2304 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2305 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2306 	.read_nvram		= qla25xx_read_nvram_data,
2307 	.write_nvram		= qla25xx_write_nvram_data,
2308 	.fw_dump		= qla25xx_fw_dump,
2309 	.beacon_on		= qla24xx_beacon_on,
2310 	.beacon_off		= qla24xx_beacon_off,
2311 	.beacon_blink		= qla24xx_beacon_blink,
2312 	.read_optrom		= qla25xx_read_optrom_data,
2313 	.write_optrom		= qla24xx_write_optrom_data,
2314 	.get_flash_version	= qla24xx_get_flash_version,
2315 	.start_scsi		= qla24xx_dif_start_scsi,
2316 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2317 	.abort_isp		= qla2x00_abort_isp,
2318 	.iospace_config		= qla2x00_iospace_config,
2319 	.initialize_adapter	= qla2x00_initialize_adapter,
2320 };
2321 
2322 static struct isp_operations qla81xx_isp_ops = {
2323 	.pci_config		= qla25xx_pci_config,
2324 	.reset_chip		= qla24xx_reset_chip,
2325 	.chip_diag		= qla24xx_chip_diag,
2326 	.config_rings		= qla24xx_config_rings,
2327 	.reset_adapter		= qla24xx_reset_adapter,
2328 	.nvram_config		= qla81xx_nvram_config,
2329 	.update_fw_options	= qla24xx_update_fw_options,
2330 	.load_risc		= qla81xx_load_risc,
2331 	.pci_info_str		= qla24xx_pci_info_str,
2332 	.fw_version_str		= qla24xx_fw_version_str,
2333 	.intr_handler		= qla24xx_intr_handler,
2334 	.enable_intrs		= qla24xx_enable_intrs,
2335 	.disable_intrs		= qla24xx_disable_intrs,
2336 	.abort_command		= qla24xx_abort_command,
2337 	.target_reset		= qla24xx_abort_target,
2338 	.lun_reset		= qla24xx_lun_reset,
2339 	.fabric_login		= qla24xx_login_fabric,
2340 	.fabric_logout		= qla24xx_fabric_logout,
2341 	.calc_req_entries	= NULL,
2342 	.build_iocbs		= NULL,
2343 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2344 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2345 	.read_nvram		= NULL,
2346 	.write_nvram		= NULL,
2347 	.fw_dump		= qla81xx_fw_dump,
2348 	.beacon_on		= qla24xx_beacon_on,
2349 	.beacon_off		= qla24xx_beacon_off,
2350 	.beacon_blink		= qla83xx_beacon_blink,
2351 	.read_optrom		= qla25xx_read_optrom_data,
2352 	.write_optrom		= qla24xx_write_optrom_data,
2353 	.get_flash_version	= qla24xx_get_flash_version,
2354 	.start_scsi		= qla24xx_dif_start_scsi,
2355 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2356 	.abort_isp		= qla2x00_abort_isp,
2357 	.iospace_config		= qla2x00_iospace_config,
2358 	.initialize_adapter	= qla2x00_initialize_adapter,
2359 };
2360 
2361 static struct isp_operations qla82xx_isp_ops = {
2362 	.pci_config		= qla82xx_pci_config,
2363 	.reset_chip		= qla82xx_reset_chip,
2364 	.chip_diag		= qla24xx_chip_diag,
2365 	.config_rings		= qla82xx_config_rings,
2366 	.reset_adapter		= qla24xx_reset_adapter,
2367 	.nvram_config		= qla81xx_nvram_config,
2368 	.update_fw_options	= qla24xx_update_fw_options,
2369 	.load_risc		= qla82xx_load_risc,
2370 	.pci_info_str		= qla24xx_pci_info_str,
2371 	.fw_version_str		= qla24xx_fw_version_str,
2372 	.intr_handler		= qla82xx_intr_handler,
2373 	.enable_intrs		= qla82xx_enable_intrs,
2374 	.disable_intrs		= qla82xx_disable_intrs,
2375 	.abort_command		= qla24xx_abort_command,
2376 	.target_reset		= qla24xx_abort_target,
2377 	.lun_reset		= qla24xx_lun_reset,
2378 	.fabric_login		= qla24xx_login_fabric,
2379 	.fabric_logout		= qla24xx_fabric_logout,
2380 	.calc_req_entries	= NULL,
2381 	.build_iocbs		= NULL,
2382 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2383 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2384 	.read_nvram		= qla24xx_read_nvram_data,
2385 	.write_nvram		= qla24xx_write_nvram_data,
2386 	.fw_dump		= qla82xx_fw_dump,
2387 	.beacon_on		= qla82xx_beacon_on,
2388 	.beacon_off		= qla82xx_beacon_off,
2389 	.beacon_blink		= NULL,
2390 	.read_optrom		= qla82xx_read_optrom_data,
2391 	.write_optrom		= qla82xx_write_optrom_data,
2392 	.get_flash_version	= qla82xx_get_flash_version,
2393 	.start_scsi             = qla82xx_start_scsi,
2394 	.start_scsi_mq          = NULL,
2395 	.abort_isp		= qla82xx_abort_isp,
2396 	.iospace_config     	= qla82xx_iospace_config,
2397 	.initialize_adapter	= qla2x00_initialize_adapter,
2398 };
2399 
2400 static struct isp_operations qla8044_isp_ops = {
2401 	.pci_config		= qla82xx_pci_config,
2402 	.reset_chip		= qla82xx_reset_chip,
2403 	.chip_diag		= qla24xx_chip_diag,
2404 	.config_rings		= qla82xx_config_rings,
2405 	.reset_adapter		= qla24xx_reset_adapter,
2406 	.nvram_config		= qla81xx_nvram_config,
2407 	.update_fw_options	= qla24xx_update_fw_options,
2408 	.load_risc		= qla82xx_load_risc,
2409 	.pci_info_str		= qla24xx_pci_info_str,
2410 	.fw_version_str		= qla24xx_fw_version_str,
2411 	.intr_handler		= qla8044_intr_handler,
2412 	.enable_intrs		= qla82xx_enable_intrs,
2413 	.disable_intrs		= qla82xx_disable_intrs,
2414 	.abort_command		= qla24xx_abort_command,
2415 	.target_reset		= qla24xx_abort_target,
2416 	.lun_reset		= qla24xx_lun_reset,
2417 	.fabric_login		= qla24xx_login_fabric,
2418 	.fabric_logout		= qla24xx_fabric_logout,
2419 	.calc_req_entries	= NULL,
2420 	.build_iocbs		= NULL,
2421 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2422 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2423 	.read_nvram		= NULL,
2424 	.write_nvram		= NULL,
2425 	.fw_dump		= qla8044_fw_dump,
2426 	.beacon_on		= qla82xx_beacon_on,
2427 	.beacon_off		= qla82xx_beacon_off,
2428 	.beacon_blink		= NULL,
2429 	.read_optrom		= qla8044_read_optrom_data,
2430 	.write_optrom		= qla8044_write_optrom_data,
2431 	.get_flash_version	= qla82xx_get_flash_version,
2432 	.start_scsi             = qla82xx_start_scsi,
2433 	.start_scsi_mq          = NULL,
2434 	.abort_isp		= qla8044_abort_isp,
2435 	.iospace_config		= qla82xx_iospace_config,
2436 	.initialize_adapter	= qla2x00_initialize_adapter,
2437 };
2438 
2439 static struct isp_operations qla83xx_isp_ops = {
2440 	.pci_config		= qla25xx_pci_config,
2441 	.reset_chip		= qla24xx_reset_chip,
2442 	.chip_diag		= qla24xx_chip_diag,
2443 	.config_rings		= qla24xx_config_rings,
2444 	.reset_adapter		= qla24xx_reset_adapter,
2445 	.nvram_config		= qla81xx_nvram_config,
2446 	.update_fw_options	= qla24xx_update_fw_options,
2447 	.load_risc		= qla81xx_load_risc,
2448 	.pci_info_str		= qla24xx_pci_info_str,
2449 	.fw_version_str		= qla24xx_fw_version_str,
2450 	.intr_handler		= qla24xx_intr_handler,
2451 	.enable_intrs		= qla24xx_enable_intrs,
2452 	.disable_intrs		= qla24xx_disable_intrs,
2453 	.abort_command		= qla24xx_abort_command,
2454 	.target_reset		= qla24xx_abort_target,
2455 	.lun_reset		= qla24xx_lun_reset,
2456 	.fabric_login		= qla24xx_login_fabric,
2457 	.fabric_logout		= qla24xx_fabric_logout,
2458 	.calc_req_entries	= NULL,
2459 	.build_iocbs		= NULL,
2460 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2461 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2462 	.read_nvram		= NULL,
2463 	.write_nvram		= NULL,
2464 	.fw_dump		= qla83xx_fw_dump,
2465 	.beacon_on		= qla24xx_beacon_on,
2466 	.beacon_off		= qla24xx_beacon_off,
2467 	.beacon_blink		= qla83xx_beacon_blink,
2468 	.read_optrom		= qla25xx_read_optrom_data,
2469 	.write_optrom		= qla24xx_write_optrom_data,
2470 	.get_flash_version	= qla24xx_get_flash_version,
2471 	.start_scsi		= qla24xx_dif_start_scsi,
2472 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2473 	.abort_isp		= qla2x00_abort_isp,
2474 	.iospace_config		= qla83xx_iospace_config,
2475 	.initialize_adapter	= qla2x00_initialize_adapter,
2476 };
2477 
2478 static struct isp_operations qlafx00_isp_ops = {
2479 	.pci_config		= qlafx00_pci_config,
2480 	.reset_chip		= qlafx00_soft_reset,
2481 	.chip_diag		= qlafx00_chip_diag,
2482 	.config_rings		= qlafx00_config_rings,
2483 	.reset_adapter		= qlafx00_soft_reset,
2484 	.nvram_config		= NULL,
2485 	.update_fw_options	= NULL,
2486 	.load_risc		= NULL,
2487 	.pci_info_str		= qlafx00_pci_info_str,
2488 	.fw_version_str		= qlafx00_fw_version_str,
2489 	.intr_handler		= qlafx00_intr_handler,
2490 	.enable_intrs		= qlafx00_enable_intrs,
2491 	.disable_intrs		= qlafx00_disable_intrs,
2492 	.abort_command		= qla24xx_async_abort_command,
2493 	.target_reset		= qlafx00_abort_target,
2494 	.lun_reset		= qlafx00_lun_reset,
2495 	.fabric_login		= NULL,
2496 	.fabric_logout		= NULL,
2497 	.calc_req_entries	= NULL,
2498 	.build_iocbs		= NULL,
2499 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2500 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2501 	.read_nvram		= qla24xx_read_nvram_data,
2502 	.write_nvram		= qla24xx_write_nvram_data,
2503 	.fw_dump		= NULL,
2504 	.beacon_on		= qla24xx_beacon_on,
2505 	.beacon_off		= qla24xx_beacon_off,
2506 	.beacon_blink		= NULL,
2507 	.read_optrom		= qla24xx_read_optrom_data,
2508 	.write_optrom		= qla24xx_write_optrom_data,
2509 	.get_flash_version	= qla24xx_get_flash_version,
2510 	.start_scsi		= qlafx00_start_scsi,
2511 	.start_scsi_mq          = NULL,
2512 	.abort_isp		= qlafx00_abort_isp,
2513 	.iospace_config		= qlafx00_iospace_config,
2514 	.initialize_adapter	= qlafx00_initialize_adapter,
2515 };
2516 
2517 static struct isp_operations qla27xx_isp_ops = {
2518 	.pci_config		= qla25xx_pci_config,
2519 	.reset_chip		= qla24xx_reset_chip,
2520 	.chip_diag		= qla24xx_chip_diag,
2521 	.config_rings		= qla24xx_config_rings,
2522 	.reset_adapter		= qla24xx_reset_adapter,
2523 	.nvram_config		= qla81xx_nvram_config,
2524 	.update_fw_options	= qla24xx_update_fw_options,
2525 	.load_risc		= qla81xx_load_risc,
2526 	.pci_info_str		= qla24xx_pci_info_str,
2527 	.fw_version_str		= qla24xx_fw_version_str,
2528 	.intr_handler		= qla24xx_intr_handler,
2529 	.enable_intrs		= qla24xx_enable_intrs,
2530 	.disable_intrs		= qla24xx_disable_intrs,
2531 	.abort_command		= qla24xx_abort_command,
2532 	.target_reset		= qla24xx_abort_target,
2533 	.lun_reset		= qla24xx_lun_reset,
2534 	.fabric_login		= qla24xx_login_fabric,
2535 	.fabric_logout		= qla24xx_fabric_logout,
2536 	.calc_req_entries	= NULL,
2537 	.build_iocbs		= NULL,
2538 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2539 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2540 	.read_nvram		= NULL,
2541 	.write_nvram		= NULL,
2542 	.fw_dump		= qla27xx_fwdump,
2543 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2544 	.beacon_on		= qla24xx_beacon_on,
2545 	.beacon_off		= qla24xx_beacon_off,
2546 	.beacon_blink		= qla83xx_beacon_blink,
2547 	.read_optrom		= qla25xx_read_optrom_data,
2548 	.write_optrom		= qla24xx_write_optrom_data,
2549 	.get_flash_version	= qla24xx_get_flash_version,
2550 	.start_scsi		= qla24xx_dif_start_scsi,
2551 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2552 	.abort_isp		= qla2x00_abort_isp,
2553 	.iospace_config		= qla83xx_iospace_config,
2554 	.initialize_adapter	= qla2x00_initialize_adapter,
2555 };
2556 
2557 static inline void
2558 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2559 {
2560 	ha->device_type = DT_EXTENDED_IDS;
2561 	switch (ha->pdev->device) {
2562 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2563 		ha->isp_type |= DT_ISP2100;
2564 		ha->device_type &= ~DT_EXTENDED_IDS;
2565 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2566 		break;
2567 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2568 		ha->isp_type |= DT_ISP2200;
2569 		ha->device_type &= ~DT_EXTENDED_IDS;
2570 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2571 		break;
2572 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2573 		ha->isp_type |= DT_ISP2300;
2574 		ha->device_type |= DT_ZIO_SUPPORTED;
2575 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2576 		break;
2577 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2578 		ha->isp_type |= DT_ISP2312;
2579 		ha->device_type |= DT_ZIO_SUPPORTED;
2580 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2581 		break;
2582 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2583 		ha->isp_type |= DT_ISP2322;
2584 		ha->device_type |= DT_ZIO_SUPPORTED;
2585 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2586 		    ha->pdev->subsystem_device == 0x0170)
2587 			ha->device_type |= DT_OEM_001;
2588 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2589 		break;
2590 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2591 		ha->isp_type |= DT_ISP6312;
2592 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2593 		break;
2594 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2595 		ha->isp_type |= DT_ISP6322;
2596 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2597 		break;
2598 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2599 		ha->isp_type |= DT_ISP2422;
2600 		ha->device_type |= DT_ZIO_SUPPORTED;
2601 		ha->device_type |= DT_FWI2;
2602 		ha->device_type |= DT_IIDMA;
2603 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2604 		break;
2605 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2606 		ha->isp_type |= DT_ISP2432;
2607 		ha->device_type |= DT_ZIO_SUPPORTED;
2608 		ha->device_type |= DT_FWI2;
2609 		ha->device_type |= DT_IIDMA;
2610 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2611 		break;
2612 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2613 		ha->isp_type |= DT_ISP8432;
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_ISP5422:
2620 		ha->isp_type |= DT_ISP5422;
2621 		ha->device_type |= DT_FWI2;
2622 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2623 		break;
2624 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2625 		ha->isp_type |= DT_ISP5432;
2626 		ha->device_type |= DT_FWI2;
2627 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2628 		break;
2629 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2630 		ha->isp_type |= DT_ISP2532;
2631 		ha->device_type |= DT_ZIO_SUPPORTED;
2632 		ha->device_type |= DT_FWI2;
2633 		ha->device_type |= DT_IIDMA;
2634 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2635 		break;
2636 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2637 		ha->isp_type |= DT_ISP8001;
2638 		ha->device_type |= DT_ZIO_SUPPORTED;
2639 		ha->device_type |= DT_FWI2;
2640 		ha->device_type |= DT_IIDMA;
2641 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2642 		break;
2643 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2644 		ha->isp_type |= DT_ISP8021;
2645 		ha->device_type |= DT_ZIO_SUPPORTED;
2646 		ha->device_type |= DT_FWI2;
2647 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2648 		/* Initialize 82XX ISP flags */
2649 		qla82xx_init_flags(ha);
2650 		break;
2651 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2652 		ha->isp_type |= DT_ISP8044;
2653 		ha->device_type |= DT_ZIO_SUPPORTED;
2654 		ha->device_type |= DT_FWI2;
2655 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2656 		/* Initialize 82XX ISP flags */
2657 		qla82xx_init_flags(ha);
2658 		break;
2659 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2660 		ha->isp_type |= DT_ISP2031;
2661 		ha->device_type |= DT_ZIO_SUPPORTED;
2662 		ha->device_type |= DT_FWI2;
2663 		ha->device_type |= DT_IIDMA;
2664 		ha->device_type |= DT_T10_PI;
2665 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2666 		break;
2667 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2668 		ha->isp_type |= DT_ISP8031;
2669 		ha->device_type |= DT_ZIO_SUPPORTED;
2670 		ha->device_type |= DT_FWI2;
2671 		ha->device_type |= DT_IIDMA;
2672 		ha->device_type |= DT_T10_PI;
2673 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2674 		break;
2675 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2676 		ha->isp_type |= DT_ISPFX00;
2677 		break;
2678 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2679 		ha->isp_type |= DT_ISP2071;
2680 		ha->device_type |= DT_ZIO_SUPPORTED;
2681 		ha->device_type |= DT_FWI2;
2682 		ha->device_type |= DT_IIDMA;
2683 		ha->device_type |= DT_T10_PI;
2684 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2685 		break;
2686 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2687 		ha->isp_type |= DT_ISP2271;
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_ISP2261:
2695 		ha->isp_type |= DT_ISP2261;
2696 		ha->device_type |= DT_ZIO_SUPPORTED;
2697 		ha->device_type |= DT_FWI2;
2698 		ha->device_type |= DT_IIDMA;
2699 		ha->device_type |= DT_T10_PI;
2700 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2701 		break;
2702 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2703 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2704 		ha->isp_type |= DT_ISP2081;
2705 		ha->device_type |= DT_ZIO_SUPPORTED;
2706 		ha->device_type |= DT_FWI2;
2707 		ha->device_type |= DT_IIDMA;
2708 		ha->device_type |= DT_T10_PI;
2709 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2710 		break;
2711 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2712 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2713 		ha->isp_type |= DT_ISP2281;
2714 		ha->device_type |= DT_ZIO_SUPPORTED;
2715 		ha->device_type |= DT_FWI2;
2716 		ha->device_type |= DT_IIDMA;
2717 		ha->device_type |= DT_T10_PI;
2718 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2719 		break;
2720 	}
2721 
2722 	if (IS_QLA82XX(ha))
2723 		ha->port_no = ha->portnum & 1;
2724 	else {
2725 		/* Get adapter physical port no from interrupt pin register. */
2726 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2727 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2728 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2729 			ha->port_no--;
2730 		else
2731 			ha->port_no = !(ha->port_no & 1);
2732 	}
2733 
2734 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2735 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2736 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2737 }
2738 
2739 static void
2740 qla2xxx_scan_start(struct Scsi_Host *shost)
2741 {
2742 	scsi_qla_host_t *vha = shost_priv(shost);
2743 
2744 	if (vha->hw->flags.running_gold_fw)
2745 		return;
2746 
2747 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2748 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2749 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2750 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2751 }
2752 
2753 static int
2754 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2755 {
2756 	scsi_qla_host_t *vha = shost_priv(shost);
2757 
2758 	if (test_bit(UNLOADING, &vha->dpc_flags))
2759 		return 1;
2760 	if (!vha->host)
2761 		return 1;
2762 	if (time > vha->hw->loop_reset_delay * HZ)
2763 		return 1;
2764 
2765 	return atomic_read(&vha->loop_state) == LOOP_READY;
2766 }
2767 
2768 static void qla2x00_iocb_work_fn(struct work_struct *work)
2769 {
2770 	struct scsi_qla_host *vha = container_of(work,
2771 		struct scsi_qla_host, iocb_work);
2772 	struct qla_hw_data *ha = vha->hw;
2773 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2774 	int i = 2;
2775 	unsigned long flags;
2776 
2777 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2778 		return;
2779 
2780 	while (!list_empty(&vha->work_list) && i > 0) {
2781 		qla2x00_do_work(vha);
2782 		i--;
2783 	}
2784 
2785 	spin_lock_irqsave(&vha->work_lock, flags);
2786 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2787 	spin_unlock_irqrestore(&vha->work_lock, flags);
2788 }
2789 
2790 /*
2791  * PCI driver interface
2792  */
2793 static int
2794 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2795 {
2796 	int	ret = -ENODEV;
2797 	struct Scsi_Host *host;
2798 	scsi_qla_host_t *base_vha = NULL;
2799 	struct qla_hw_data *ha;
2800 	char pci_info[30];
2801 	char fw_str[30], wq_name[30];
2802 	struct scsi_host_template *sht;
2803 	int bars, mem_only = 0;
2804 	uint16_t req_length = 0, rsp_length = 0;
2805 	struct req_que *req = NULL;
2806 	struct rsp_que *rsp = NULL;
2807 	int i;
2808 
2809 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2810 	sht = &qla2xxx_driver_template;
2811 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2812 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2813 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2814 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2815 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2816 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2817 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2818 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2819 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2820 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2821 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2822 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2823 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2824 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2825 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2826 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2827 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2828 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2829 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2830 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2831 		mem_only = 1;
2832 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2833 		    "Mem only adapter.\n");
2834 	}
2835 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2836 	    "Bars=%d.\n", bars);
2837 
2838 	if (mem_only) {
2839 		if (pci_enable_device_mem(pdev))
2840 			return ret;
2841 	} else {
2842 		if (pci_enable_device(pdev))
2843 			return ret;
2844 	}
2845 
2846 	/* This may fail but that's ok */
2847 	pci_enable_pcie_error_reporting(pdev);
2848 
2849 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2850 	if (!ha) {
2851 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2852 		    "Unable to allocate memory for ha.\n");
2853 		goto disable_device;
2854 	}
2855 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2856 	    "Memory allocated for ha=%p.\n", ha);
2857 	ha->pdev = pdev;
2858 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2859 	spin_lock_init(&ha->tgt.q_full_lock);
2860 	spin_lock_init(&ha->tgt.sess_lock);
2861 	spin_lock_init(&ha->tgt.atio_lock);
2862 
2863 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2864 
2865 	/* Clear our data area */
2866 	ha->bars = bars;
2867 	ha->mem_only = mem_only;
2868 	spin_lock_init(&ha->hardware_lock);
2869 	spin_lock_init(&ha->vport_slock);
2870 	mutex_init(&ha->selflogin_lock);
2871 	mutex_init(&ha->optrom_mutex);
2872 
2873 	/* Set ISP-type information. */
2874 	qla2x00_set_isp_flags(ha);
2875 
2876 	/* Set EEH reset type to fundamental if required by hba */
2877 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2878 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2879 		pdev->needs_freset = 1;
2880 
2881 	ha->prev_topology = 0;
2882 	ha->init_cb_size = sizeof(init_cb_t);
2883 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2884 	ha->optrom_size = OPTROM_SIZE_2300;
2885 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2886 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2887 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2888 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2889 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2890 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2891 
2892 	/* Assign ISP specific operations. */
2893 	if (IS_QLA2100(ha)) {
2894 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2895 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2896 		req_length = REQUEST_ENTRY_CNT_2100;
2897 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2898 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2899 		ha->gid_list_info_size = 4;
2900 		ha->flash_conf_off = ~0;
2901 		ha->flash_data_off = ~0;
2902 		ha->nvram_conf_off = ~0;
2903 		ha->nvram_data_off = ~0;
2904 		ha->isp_ops = &qla2100_isp_ops;
2905 	} else if (IS_QLA2200(ha)) {
2906 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2907 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2908 		req_length = REQUEST_ENTRY_CNT_2200;
2909 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2910 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2911 		ha->gid_list_info_size = 4;
2912 		ha->flash_conf_off = ~0;
2913 		ha->flash_data_off = ~0;
2914 		ha->nvram_conf_off = ~0;
2915 		ha->nvram_data_off = ~0;
2916 		ha->isp_ops = &qla2100_isp_ops;
2917 	} else if (IS_QLA23XX(ha)) {
2918 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2919 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2920 		req_length = REQUEST_ENTRY_CNT_2200;
2921 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2922 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2923 		ha->gid_list_info_size = 6;
2924 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2925 			ha->optrom_size = OPTROM_SIZE_2322;
2926 		ha->flash_conf_off = ~0;
2927 		ha->flash_data_off = ~0;
2928 		ha->nvram_conf_off = ~0;
2929 		ha->nvram_data_off = ~0;
2930 		ha->isp_ops = &qla2300_isp_ops;
2931 	} else if (IS_QLA24XX_TYPE(ha)) {
2932 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2933 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2934 		req_length = REQUEST_ENTRY_CNT_24XX;
2935 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2936 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2937 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2938 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2939 		ha->gid_list_info_size = 8;
2940 		ha->optrom_size = OPTROM_SIZE_24XX;
2941 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2942 		ha->isp_ops = &qla24xx_isp_ops;
2943 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2944 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2945 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2946 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2947 	} else if (IS_QLA25XX(ha)) {
2948 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2949 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2950 		req_length = REQUEST_ENTRY_CNT_24XX;
2951 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2952 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2953 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2954 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2955 		ha->gid_list_info_size = 8;
2956 		ha->optrom_size = OPTROM_SIZE_25XX;
2957 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2958 		ha->isp_ops = &qla25xx_isp_ops;
2959 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2960 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2961 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2962 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2963 	} else if (IS_QLA81XX(ha)) {
2964 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2965 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2966 		req_length = REQUEST_ENTRY_CNT_24XX;
2967 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2968 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2969 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2970 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2971 		ha->gid_list_info_size = 8;
2972 		ha->optrom_size = OPTROM_SIZE_81XX;
2973 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2974 		ha->isp_ops = &qla81xx_isp_ops;
2975 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2976 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2977 		ha->nvram_conf_off = ~0;
2978 		ha->nvram_data_off = ~0;
2979 	} else if (IS_QLA82XX(ha)) {
2980 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2981 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2982 		req_length = REQUEST_ENTRY_CNT_82XX;
2983 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2984 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2985 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2986 		ha->gid_list_info_size = 8;
2987 		ha->optrom_size = OPTROM_SIZE_82XX;
2988 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2989 		ha->isp_ops = &qla82xx_isp_ops;
2990 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2991 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2992 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2993 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2994 	} else if (IS_QLA8044(ha)) {
2995 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2996 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2997 		req_length = REQUEST_ENTRY_CNT_82XX;
2998 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2999 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3000 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3001 		ha->gid_list_info_size = 8;
3002 		ha->optrom_size = OPTROM_SIZE_83XX;
3003 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3004 		ha->isp_ops = &qla8044_isp_ops;
3005 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3006 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3007 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3008 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3009 	} else if (IS_QLA83XX(ha)) {
3010 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3011 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3012 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3013 		req_length = REQUEST_ENTRY_CNT_83XX;
3014 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3015 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3016 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3017 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3018 		ha->gid_list_info_size = 8;
3019 		ha->optrom_size = OPTROM_SIZE_83XX;
3020 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3021 		ha->isp_ops = &qla83xx_isp_ops;
3022 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3023 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3024 		ha->nvram_conf_off = ~0;
3025 		ha->nvram_data_off = ~0;
3026 	}  else if (IS_QLAFX00(ha)) {
3027 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3028 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3029 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3030 		req_length = REQUEST_ENTRY_CNT_FX00;
3031 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3032 		ha->isp_ops = &qlafx00_isp_ops;
3033 		ha->port_down_retry_count = 30; /* default value */
3034 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3035 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3036 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3037 		ha->mr.fw_hbt_en = 1;
3038 		ha->mr.host_info_resend = false;
3039 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3040 	} else if (IS_QLA27XX(ha)) {
3041 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3042 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3043 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3044 		req_length = REQUEST_ENTRY_CNT_83XX;
3045 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3046 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3047 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3048 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3049 		ha->gid_list_info_size = 8;
3050 		ha->optrom_size = OPTROM_SIZE_83XX;
3051 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3052 		ha->isp_ops = &qla27xx_isp_ops;
3053 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3054 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3055 		ha->nvram_conf_off = ~0;
3056 		ha->nvram_data_off = ~0;
3057 	} else if (IS_QLA28XX(ha)) {
3058 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3059 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3060 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3061 		req_length = REQUEST_ENTRY_CNT_24XX;
3062 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3063 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3064 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3065 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3066 		ha->gid_list_info_size = 8;
3067 		ha->optrom_size = OPTROM_SIZE_28XX;
3068 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3069 		ha->isp_ops = &qla27xx_isp_ops;
3070 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3071 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3072 		ha->nvram_conf_off = ~0;
3073 		ha->nvram_data_off = ~0;
3074 	}
3075 
3076 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3077 	    "mbx_count=%d, req_length=%d, "
3078 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3079 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3080 	    "max_fibre_devices=%d.\n",
3081 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3082 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3083 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3084 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3085 	    "isp_ops=%p, flash_conf_off=%d, "
3086 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3087 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3088 	    ha->nvram_conf_off, ha->nvram_data_off);
3089 
3090 	/* Configure PCI I/O space */
3091 	ret = ha->isp_ops->iospace_config(ha);
3092 	if (ret)
3093 		goto iospace_config_failed;
3094 
3095 	ql_log_pci(ql_log_info, pdev, 0x001d,
3096 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3097 	    pdev->device, pdev->irq, ha->iobase);
3098 	mutex_init(&ha->vport_lock);
3099 	mutex_init(&ha->mq_lock);
3100 	init_completion(&ha->mbx_cmd_comp);
3101 	complete(&ha->mbx_cmd_comp);
3102 	init_completion(&ha->mbx_intr_comp);
3103 	init_completion(&ha->dcbx_comp);
3104 	init_completion(&ha->lb_portup_comp);
3105 
3106 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3107 
3108 	qla2x00_config_dma_addressing(ha);
3109 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3110 	    "64 Bit addressing is %s.\n",
3111 	    ha->flags.enable_64bit_addressing ? "enable" :
3112 	    "disable");
3113 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3114 	if (ret) {
3115 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3116 		    "Failed to allocate memory for adapter, aborting.\n");
3117 
3118 		goto probe_hw_failed;
3119 	}
3120 
3121 	req->max_q_depth = MAX_Q_DEPTH;
3122 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3123 		req->max_q_depth = ql2xmaxqdepth;
3124 
3125 
3126 	base_vha = qla2x00_create_host(sht, ha);
3127 	if (!base_vha) {
3128 		ret = -ENOMEM;
3129 		goto probe_hw_failed;
3130 	}
3131 
3132 	pci_set_drvdata(pdev, base_vha);
3133 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3134 
3135 	host = base_vha->host;
3136 	base_vha->req = req;
3137 	if (IS_QLA2XXX_MIDTYPE(ha))
3138 		base_vha->mgmt_svr_loop_id =
3139 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3140 	else
3141 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3142 						base_vha->vp_idx;
3143 
3144 	/* Setup fcport template structure. */
3145 	ha->mr.fcport.vha = base_vha;
3146 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3147 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3148 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3149 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3150 	ha->mr.fcport.scan_state = 1;
3151 
3152 	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3153 			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3154 			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3155 
3156 	/* Set the SG table size based on ISP type */
3157 	if (!IS_FWI2_CAPABLE(ha)) {
3158 		if (IS_QLA2100(ha))
3159 			host->sg_tablesize = 32;
3160 	} else {
3161 		if (!IS_QLA82XX(ha))
3162 			host->sg_tablesize = QLA_SG_ALL;
3163 	}
3164 	host->max_id = ha->max_fibre_devices;
3165 	host->cmd_per_lun = 3;
3166 	host->unique_id = host->host_no;
3167 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3168 		host->max_cmd_len = 32;
3169 	else
3170 		host->max_cmd_len = MAX_CMDSZ;
3171 	host->max_channel = MAX_BUSES - 1;
3172 	/* Older HBAs support only 16-bit LUNs */
3173 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3174 	    ql2xmaxlun > 0xffff)
3175 		host->max_lun = 0xffff;
3176 	else
3177 		host->max_lun = ql2xmaxlun;
3178 	host->transportt = qla2xxx_transport_template;
3179 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3180 
3181 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3182 	    "max_id=%d this_id=%d "
3183 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3184 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3185 	    host->this_id, host->cmd_per_lun, host->unique_id,
3186 	    host->max_cmd_len, host->max_channel, host->max_lun,
3187 	    host->transportt, sht->vendor_id);
3188 
3189 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3190 
3191 	/* Set up the irqs */
3192 	ret = qla2x00_request_irqs(ha, rsp);
3193 	if (ret)
3194 		goto probe_failed;
3195 
3196 	/* Alloc arrays of request and response ring ptrs */
3197 	ret = qla2x00_alloc_queues(ha, req, rsp);
3198 	if (ret) {
3199 		ql_log(ql_log_fatal, base_vha, 0x003d,
3200 		    "Failed to allocate memory for queue pointers..."
3201 		    "aborting.\n");
3202 		ret = -ENODEV;
3203 		goto probe_failed;
3204 	}
3205 
3206 	if (ha->mqenable) {
3207 		/* number of hardware queues supported by blk/scsi-mq*/
3208 		host->nr_hw_queues = ha->max_qpairs;
3209 
3210 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3211 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3212 	} else {
3213 		if (ql2xnvmeenable) {
3214 			host->nr_hw_queues = ha->max_qpairs;
3215 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3216 			    "FC-NVMe support is enabled, HW queues=%d\n",
3217 			    host->nr_hw_queues);
3218 		} else {
3219 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3220 			    "blk/scsi-mq disabled.\n");
3221 		}
3222 	}
3223 
3224 	qlt_probe_one_stage1(base_vha, ha);
3225 
3226 	pci_save_state(pdev);
3227 
3228 	/* Assign back pointers */
3229 	rsp->req = req;
3230 	req->rsp = rsp;
3231 
3232 	if (IS_QLAFX00(ha)) {
3233 		ha->rsp_q_map[0] = rsp;
3234 		ha->req_q_map[0] = req;
3235 		set_bit(0, ha->req_qid_map);
3236 		set_bit(0, ha->rsp_qid_map);
3237 	}
3238 
3239 	/* FWI2-capable only. */
3240 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3241 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3242 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3243 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3244 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3245 	    IS_QLA28XX(ha)) {
3246 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3247 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3248 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3249 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3250 	}
3251 
3252 	if (IS_QLAFX00(ha)) {
3253 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3254 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3255 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3256 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3257 	}
3258 
3259 	if (IS_P3P_TYPE(ha)) {
3260 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3261 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3262 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3263 	}
3264 
3265 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3266 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3267 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3268 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3269 	    "req->req_q_in=%p req->req_q_out=%p "
3270 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3271 	    req->req_q_in, req->req_q_out,
3272 	    rsp->rsp_q_in, rsp->rsp_q_out);
3273 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3274 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3275 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3276 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3277 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3278 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3279 
3280 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3281 	if (unlikely(!ha->wq)) {
3282 		ret = -ENOMEM;
3283 		goto probe_failed;
3284 	}
3285 
3286 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3287 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3288 		    "Failed to initialize adapter - Adapter flags %x.\n",
3289 		    base_vha->device_flags);
3290 
3291 		if (IS_QLA82XX(ha)) {
3292 			qla82xx_idc_lock(ha);
3293 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3294 				QLA8XXX_DEV_FAILED);
3295 			qla82xx_idc_unlock(ha);
3296 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3297 			    "HW State: FAILED.\n");
3298 		} else if (IS_QLA8044(ha)) {
3299 			qla8044_idc_lock(ha);
3300 			qla8044_wr_direct(base_vha,
3301 				QLA8044_CRB_DEV_STATE_INDEX,
3302 				QLA8XXX_DEV_FAILED);
3303 			qla8044_idc_unlock(ha);
3304 			ql_log(ql_log_fatal, base_vha, 0x0150,
3305 			    "HW State: FAILED.\n");
3306 		}
3307 
3308 		ret = -ENODEV;
3309 		goto probe_failed;
3310 	}
3311 
3312 	if (IS_QLAFX00(ha))
3313 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3314 	else
3315 		host->can_queue = req->num_outstanding_cmds - 10;
3316 
3317 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3318 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3319 	    host->can_queue, base_vha->req,
3320 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3321 
3322 	if (ha->mqenable) {
3323 		bool startit = false;
3324 
3325 		if (QLA_TGT_MODE_ENABLED())
3326 			startit = false;
3327 
3328 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3329 			startit = true;
3330 
3331 		/* Create start of day qpairs for Block MQ */
3332 		for (i = 0; i < ha->max_qpairs; i++)
3333 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3334 	}
3335 	qla_init_iocb_limit(base_vha);
3336 
3337 	if (ha->flags.running_gold_fw)
3338 		goto skip_dpc;
3339 
3340 	/*
3341 	 * Startup the kernel thread for this host adapter
3342 	 */
3343 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3344 	    "%s_dpc", base_vha->host_str);
3345 	if (IS_ERR(ha->dpc_thread)) {
3346 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3347 		    "Failed to start DPC thread.\n");
3348 		ret = PTR_ERR(ha->dpc_thread);
3349 		ha->dpc_thread = NULL;
3350 		goto probe_failed;
3351 	}
3352 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3353 	    "DPC thread started successfully.\n");
3354 
3355 	/*
3356 	 * If we're not coming up in initiator mode, we might sit for
3357 	 * a while without waking up the dpc thread, which leads to a
3358 	 * stuck process warning.  So just kick the dpc once here and
3359 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3360 	 */
3361 	qla2xxx_wake_dpc(base_vha);
3362 
3363 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3364 
3365 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3366 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3367 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3368 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3369 
3370 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3371 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3372 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3373 		INIT_WORK(&ha->idc_state_handler,
3374 		    qla83xx_idc_state_handler_work);
3375 		INIT_WORK(&ha->nic_core_unrecoverable,
3376 		    qla83xx_nic_core_unrecoverable_work);
3377 	}
3378 
3379 skip_dpc:
3380 	list_add_tail(&base_vha->list, &ha->vp_list);
3381 	base_vha->host->irq = ha->pdev->irq;
3382 
3383 	/* Initialized the timer */
3384 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3385 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3386 	    "Started qla2x00_timer with "
3387 	    "interval=%d.\n", WATCH_INTERVAL);
3388 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3389 	    "Detected hba at address=%p.\n",
3390 	    ha);
3391 
3392 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3393 		if (ha->fw_attributes & BIT_4) {
3394 			int prot = 0, guard;
3395 
3396 			base_vha->flags.difdix_supported = 1;
3397 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3398 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3399 			if (ql2xenabledif == 1)
3400 				prot = SHOST_DIX_TYPE0_PROTECTION;
3401 			if (ql2xprotmask)
3402 				scsi_host_set_prot(host, ql2xprotmask);
3403 			else
3404 				scsi_host_set_prot(host,
3405 				    prot | SHOST_DIF_TYPE1_PROTECTION
3406 				    | SHOST_DIF_TYPE2_PROTECTION
3407 				    | SHOST_DIF_TYPE3_PROTECTION
3408 				    | SHOST_DIX_TYPE1_PROTECTION
3409 				    | SHOST_DIX_TYPE2_PROTECTION
3410 				    | SHOST_DIX_TYPE3_PROTECTION);
3411 
3412 			guard = SHOST_DIX_GUARD_CRC;
3413 
3414 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3415 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3416 				guard |= SHOST_DIX_GUARD_IP;
3417 
3418 			if (ql2xprotguard)
3419 				scsi_host_set_guard(host, ql2xprotguard);
3420 			else
3421 				scsi_host_set_guard(host, guard);
3422 		} else
3423 			base_vha->flags.difdix_supported = 0;
3424 	}
3425 
3426 	ha->isp_ops->enable_intrs(ha);
3427 
3428 	if (IS_QLAFX00(ha)) {
3429 		ret = qlafx00_fx_disc(base_vha,
3430 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3431 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3432 		    QLA_SG_ALL : 128;
3433 	}
3434 
3435 	ret = scsi_add_host(host, &pdev->dev);
3436 	if (ret)
3437 		goto probe_failed;
3438 
3439 	base_vha->flags.init_done = 1;
3440 	base_vha->flags.online = 1;
3441 	ha->prev_minidump_failed = 0;
3442 
3443 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3444 	    "Init done and hba is online.\n");
3445 
3446 	if (qla_ini_mode_enabled(base_vha) ||
3447 		qla_dual_mode_enabled(base_vha))
3448 		scsi_scan_host(host);
3449 	else
3450 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3451 			"skipping scsi_scan_host() for non-initiator port\n");
3452 
3453 	qla2x00_alloc_sysfs_attr(base_vha);
3454 
3455 	if (IS_QLAFX00(ha)) {
3456 		ret = qlafx00_fx_disc(base_vha,
3457 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3458 
3459 		/* Register system information */
3460 		ret =  qlafx00_fx_disc(base_vha,
3461 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3462 	}
3463 
3464 	qla2x00_init_host_attr(base_vha);
3465 
3466 	qla2x00_dfs_setup(base_vha);
3467 
3468 	ql_log(ql_log_info, base_vha, 0x00fb,
3469 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3470 	ql_log(ql_log_info, base_vha, 0x00fc,
3471 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3472 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3473 						       sizeof(pci_info)),
3474 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3475 	    base_vha->host_no,
3476 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3477 
3478 	qlt_add_target(ha, base_vha);
3479 
3480 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3481 
3482 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3483 		return -ENODEV;
3484 
3485 	return 0;
3486 
3487 probe_failed:
3488 	if (base_vha->gnl.l) {
3489 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3490 				base_vha->gnl.l, base_vha->gnl.ldma);
3491 		base_vha->gnl.l = NULL;
3492 	}
3493 
3494 	if (base_vha->timer_active)
3495 		qla2x00_stop_timer(base_vha);
3496 	base_vha->flags.online = 0;
3497 	if (ha->dpc_thread) {
3498 		struct task_struct *t = ha->dpc_thread;
3499 
3500 		ha->dpc_thread = NULL;
3501 		kthread_stop(t);
3502 	}
3503 
3504 	qla2x00_free_device(base_vha);
3505 	scsi_host_put(base_vha->host);
3506 	/*
3507 	 * Need to NULL out local req/rsp after
3508 	 * qla2x00_free_device => qla2x00_free_queues frees
3509 	 * what these are pointing to. Or else we'll
3510 	 * fall over below in qla2x00_free_req/rsp_que.
3511 	 */
3512 	req = NULL;
3513 	rsp = NULL;
3514 
3515 probe_hw_failed:
3516 	qla2x00_mem_free(ha);
3517 	qla2x00_free_req_que(ha, req);
3518 	qla2x00_free_rsp_que(ha, rsp);
3519 	qla2x00_clear_drv_active(ha);
3520 
3521 iospace_config_failed:
3522 	if (IS_P3P_TYPE(ha)) {
3523 		if (!ha->nx_pcibase)
3524 			iounmap((device_reg_t *)ha->nx_pcibase);
3525 		if (!ql2xdbwr)
3526 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3527 	} else {
3528 		if (ha->iobase)
3529 			iounmap(ha->iobase);
3530 		if (ha->cregbase)
3531 			iounmap(ha->cregbase);
3532 	}
3533 	pci_release_selected_regions(ha->pdev, ha->bars);
3534 	kfree(ha);
3535 
3536 disable_device:
3537 	pci_disable_device(pdev);
3538 	return ret;
3539 }
3540 
3541 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3542 {
3543 	scsi_qla_host_t *vp;
3544 	unsigned long flags;
3545 	struct qla_hw_data *ha;
3546 
3547 	if (!base_vha)
3548 		return;
3549 
3550 	ha = base_vha->hw;
3551 
3552 	spin_lock_irqsave(&ha->vport_slock, flags);
3553 	list_for_each_entry(vp, &ha->vp_list, list)
3554 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3555 
3556 	/*
3557 	 * Indicate device removal to prevent future board_disable
3558 	 * and wait until any pending board_disable has completed.
3559 	 */
3560 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3561 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3562 }
3563 
3564 static void
3565 qla2x00_shutdown(struct pci_dev *pdev)
3566 {
3567 	scsi_qla_host_t *vha;
3568 	struct qla_hw_data  *ha;
3569 
3570 	vha = pci_get_drvdata(pdev);
3571 	ha = vha->hw;
3572 
3573 	ql_log(ql_log_info, vha, 0xfffa,
3574 		"Adapter shutdown\n");
3575 
3576 	/*
3577 	 * Prevent future board_disable and wait
3578 	 * until any pending board_disable has completed.
3579 	 */
3580 	__qla_set_remove_flag(vha);
3581 	cancel_work_sync(&ha->board_disable);
3582 
3583 	if (!atomic_read(&pdev->enable_cnt))
3584 		return;
3585 
3586 	/* Notify ISPFX00 firmware */
3587 	if (IS_QLAFX00(ha))
3588 		qlafx00_driver_shutdown(vha, 20);
3589 
3590 	/* Turn-off FCE trace */
3591 	if (ha->flags.fce_enabled) {
3592 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3593 		ha->flags.fce_enabled = 0;
3594 	}
3595 
3596 	/* Turn-off EFT trace */
3597 	if (ha->eft)
3598 		qla2x00_disable_eft_trace(vha);
3599 
3600 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3601 	    IS_QLA28XX(ha)) {
3602 		if (ha->flags.fw_started)
3603 			qla2x00_abort_isp_cleanup(vha);
3604 	} else {
3605 		/* Stop currently executing firmware. */
3606 		qla2x00_try_to_stop_firmware(vha);
3607 	}
3608 
3609 	/* Disable timer */
3610 	if (vha->timer_active)
3611 		qla2x00_stop_timer(vha);
3612 
3613 	/* Turn adapter off line */
3614 	vha->flags.online = 0;
3615 
3616 	/* turn-off interrupts on the card */
3617 	if (ha->interrupts_on) {
3618 		vha->flags.init_done = 0;
3619 		ha->isp_ops->disable_intrs(ha);
3620 	}
3621 
3622 	qla2x00_free_irqs(vha);
3623 
3624 	qla2x00_free_fw_dump(ha);
3625 
3626 	pci_disable_device(pdev);
3627 	ql_log(ql_log_info, vha, 0xfffe,
3628 		"Adapter shutdown successfully.\n");
3629 }
3630 
3631 /* Deletes all the virtual ports for a given ha */
3632 static void
3633 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3634 {
3635 	scsi_qla_host_t *vha;
3636 	unsigned long flags;
3637 
3638 	mutex_lock(&ha->vport_lock);
3639 	while (ha->cur_vport_count) {
3640 		spin_lock_irqsave(&ha->vport_slock, flags);
3641 
3642 		BUG_ON(base_vha->list.next == &ha->vp_list);
3643 		/* This assumes first entry in ha->vp_list is always base vha */
3644 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3645 		scsi_host_get(vha->host);
3646 
3647 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3648 		mutex_unlock(&ha->vport_lock);
3649 
3650 		qla_nvme_delete(vha);
3651 
3652 		fc_vport_terminate(vha->fc_vport);
3653 		scsi_host_put(vha->host);
3654 
3655 		mutex_lock(&ha->vport_lock);
3656 	}
3657 	mutex_unlock(&ha->vport_lock);
3658 }
3659 
3660 /* Stops all deferred work threads */
3661 static void
3662 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3663 {
3664 	/* Cancel all work and destroy DPC workqueues */
3665 	if (ha->dpc_lp_wq) {
3666 		cancel_work_sync(&ha->idc_aen);
3667 		destroy_workqueue(ha->dpc_lp_wq);
3668 		ha->dpc_lp_wq = NULL;
3669 	}
3670 
3671 	if (ha->dpc_hp_wq) {
3672 		cancel_work_sync(&ha->nic_core_reset);
3673 		cancel_work_sync(&ha->idc_state_handler);
3674 		cancel_work_sync(&ha->nic_core_unrecoverable);
3675 		destroy_workqueue(ha->dpc_hp_wq);
3676 		ha->dpc_hp_wq = NULL;
3677 	}
3678 
3679 	/* Kill the kernel thread for this host */
3680 	if (ha->dpc_thread) {
3681 		struct task_struct *t = ha->dpc_thread;
3682 
3683 		/*
3684 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3685 		 * so we need to zero it out.
3686 		 */
3687 		ha->dpc_thread = NULL;
3688 		kthread_stop(t);
3689 	}
3690 }
3691 
3692 static void
3693 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3694 {
3695 	if (IS_QLA82XX(ha)) {
3696 
3697 		iounmap((device_reg_t *)ha->nx_pcibase);
3698 		if (!ql2xdbwr)
3699 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3700 	} else {
3701 		if (ha->iobase)
3702 			iounmap(ha->iobase);
3703 
3704 		if (ha->cregbase)
3705 			iounmap(ha->cregbase);
3706 
3707 		if (ha->mqiobase)
3708 			iounmap(ha->mqiobase);
3709 
3710 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
3711 		    ha->msixbase)
3712 			iounmap(ha->msixbase);
3713 	}
3714 }
3715 
3716 static void
3717 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3718 {
3719 	if (IS_QLA8044(ha)) {
3720 		qla8044_idc_lock(ha);
3721 		qla8044_clear_drv_active(ha);
3722 		qla8044_idc_unlock(ha);
3723 	} else if (IS_QLA82XX(ha)) {
3724 		qla82xx_idc_lock(ha);
3725 		qla82xx_clear_drv_active(ha);
3726 		qla82xx_idc_unlock(ha);
3727 	}
3728 }
3729 
3730 static void
3731 qla2x00_remove_one(struct pci_dev *pdev)
3732 {
3733 	scsi_qla_host_t *base_vha;
3734 	struct qla_hw_data  *ha;
3735 
3736 	base_vha = pci_get_drvdata(pdev);
3737 	ha = base_vha->hw;
3738 	ql_log(ql_log_info, base_vha, 0xb079,
3739 	    "Removing driver\n");
3740 	__qla_set_remove_flag(base_vha);
3741 	cancel_work_sync(&ha->board_disable);
3742 
3743 	/*
3744 	 * If the PCI device is disabled then there was a PCI-disconnect and
3745 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3746 	 * resources.
3747 	 */
3748 	if (!atomic_read(&pdev->enable_cnt)) {
3749 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3750 		    base_vha->gnl.l, base_vha->gnl.ldma);
3751 		base_vha->gnl.l = NULL;
3752 		scsi_host_put(base_vha->host);
3753 		kfree(ha);
3754 		pci_set_drvdata(pdev, NULL);
3755 		return;
3756 	}
3757 	qla2x00_wait_for_hba_ready(base_vha);
3758 
3759 	/*
3760 	 * if UNLOADING flag is already set, then continue unload,
3761 	 * where it was set first.
3762 	 */
3763 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3764 		return;
3765 
3766 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3767 	    IS_QLA28XX(ha)) {
3768 		if (ha->flags.fw_started)
3769 			qla2x00_abort_isp_cleanup(base_vha);
3770 	} else if (!IS_QLAFX00(ha)) {
3771 		if (IS_QLA8031(ha)) {
3772 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3773 			    "Clearing fcoe driver presence.\n");
3774 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3775 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3776 				    "Error while clearing DRV-Presence.\n");
3777 		}
3778 
3779 		qla2x00_try_to_stop_firmware(base_vha);
3780 	}
3781 
3782 	qla2x00_wait_for_sess_deletion(base_vha);
3783 
3784 	qla_nvme_delete(base_vha);
3785 
3786 	dma_free_coherent(&ha->pdev->dev,
3787 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3788 
3789 	base_vha->gnl.l = NULL;
3790 
3791 	vfree(base_vha->scan.l);
3792 
3793 	if (IS_QLAFX00(ha))
3794 		qlafx00_driver_shutdown(base_vha, 20);
3795 
3796 	qla2x00_delete_all_vps(ha, base_vha);
3797 
3798 	qla2x00_dfs_remove(base_vha);
3799 
3800 	qla84xx_put_chip(base_vha);
3801 
3802 	/* Disable timer */
3803 	if (base_vha->timer_active)
3804 		qla2x00_stop_timer(base_vha);
3805 
3806 	base_vha->flags.online = 0;
3807 
3808 	/* free DMA memory */
3809 	if (ha->exlogin_buf)
3810 		qla2x00_free_exlogin_buffer(ha);
3811 
3812 	/* free DMA memory */
3813 	if (ha->exchoffld_buf)
3814 		qla2x00_free_exchoffld_buffer(ha);
3815 
3816 	qla2x00_destroy_deferred_work(ha);
3817 
3818 	qlt_remove_target(ha, base_vha);
3819 
3820 	qla2x00_free_sysfs_attr(base_vha, true);
3821 
3822 	fc_remove_host(base_vha->host);
3823 	qlt_remove_target_resources(ha);
3824 
3825 	scsi_remove_host(base_vha->host);
3826 
3827 	qla2x00_free_device(base_vha);
3828 
3829 	qla2x00_clear_drv_active(ha);
3830 
3831 	scsi_host_put(base_vha->host);
3832 
3833 	qla2x00_unmap_iobases(ha);
3834 
3835 	pci_release_selected_regions(ha->pdev, ha->bars);
3836 	kfree(ha);
3837 
3838 	pci_disable_pcie_error_reporting(pdev);
3839 
3840 	pci_disable_device(pdev);
3841 }
3842 
3843 static inline void
3844 qla24xx_free_purex_list(struct purex_list *list)
3845 {
3846 	struct list_head *item, *next;
3847 	ulong flags;
3848 
3849 	spin_lock_irqsave(&list->lock, flags);
3850 	list_for_each_safe(item, next, &list->head) {
3851 		list_del(item);
3852 		kfree(list_entry(item, struct purex_item, list));
3853 	}
3854 	spin_unlock_irqrestore(&list->lock, flags);
3855 }
3856 
3857 static void
3858 qla2x00_free_device(scsi_qla_host_t *vha)
3859 {
3860 	struct qla_hw_data *ha = vha->hw;
3861 
3862 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3863 
3864 	/* Disable timer */
3865 	if (vha->timer_active)
3866 		qla2x00_stop_timer(vha);
3867 
3868 	qla25xx_delete_queues(vha);
3869 	vha->flags.online = 0;
3870 
3871 	/* turn-off interrupts on the card */
3872 	if (ha->interrupts_on) {
3873 		vha->flags.init_done = 0;
3874 		ha->isp_ops->disable_intrs(ha);
3875 	}
3876 
3877 	qla2x00_free_fcports(vha);
3878 
3879 	qla2x00_free_irqs(vha);
3880 
3881 	/* Flush the work queue and remove it */
3882 	if (ha->wq) {
3883 		flush_workqueue(ha->wq);
3884 		destroy_workqueue(ha->wq);
3885 		ha->wq = NULL;
3886 	}
3887 
3888 
3889 	qla24xx_free_purex_list(&vha->purex_list);
3890 
3891 	qla2x00_mem_free(ha);
3892 
3893 	qla82xx_md_free(vha);
3894 
3895 	qla2x00_free_queues(ha);
3896 }
3897 
3898 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3899 {
3900 	fc_port_t *fcport, *tfcport;
3901 
3902 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
3903 		qla2x00_free_fcport(fcport);
3904 }
3905 
3906 static inline void
3907 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
3908 {
3909 	int now;
3910 
3911 	if (!fcport->rport)
3912 		return;
3913 
3914 	if (fcport->rport) {
3915 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3916 		    "%s %8phN. rport %p roles %x\n",
3917 		    __func__, fcport->port_name, fcport->rport,
3918 		    fcport->rport->roles);
3919 		fc_remote_port_delete(fcport->rport);
3920 	}
3921 	qlt_do_generation_tick(vha, &now);
3922 }
3923 
3924 /*
3925  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3926  *
3927  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3928  *
3929  * Return: None.
3930  *
3931  * Context:
3932  */
3933 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3934     int do_login)
3935 {
3936 	if (IS_QLAFX00(vha->hw)) {
3937 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3938 		qla2x00_schedule_rport_del(vha, fcport);
3939 		return;
3940 	}
3941 
3942 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3943 	    vha->vp_idx == fcport->vha->vp_idx) {
3944 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3945 		qla2x00_schedule_rport_del(vha, fcport);
3946 	}
3947 	/*
3948 	 * We may need to retry the login, so don't change the state of the
3949 	 * port but do the retries.
3950 	 */
3951 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3952 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3953 
3954 	if (!do_login)
3955 		return;
3956 
3957 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3958 }
3959 
3960 void
3961 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
3962 {
3963 	fc_port_t *fcport;
3964 
3965 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3966 	    "Mark all dev lost\n");
3967 
3968 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3969 		fcport->scan_state = 0;
3970 		qlt_schedule_sess_for_deletion(fcport);
3971 	}
3972 }
3973 
3974 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
3975 {
3976 	int i;
3977 
3978 	if (IS_FWI2_CAPABLE(ha))
3979 		return;
3980 
3981 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
3982 		set_bit(i, ha->loop_id_map);
3983 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
3984 	set_bit(BROADCAST, ha->loop_id_map);
3985 }
3986 
3987 /*
3988 * qla2x00_mem_alloc
3989 *      Allocates adapter memory.
3990 *
3991 * Returns:
3992 *      0  = success.
3993 *      !0  = failure.
3994 */
3995 static int
3996 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3997 	struct req_que **req, struct rsp_que **rsp)
3998 {
3999 	char	name[16];
4000 
4001 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
4002 		&ha->init_cb_dma, GFP_KERNEL);
4003 	if (!ha->init_cb)
4004 		goto fail;
4005 
4006 	if (qlt_mem_alloc(ha) < 0)
4007 		goto fail_free_init_cb;
4008 
4009 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
4010 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
4011 	if (!ha->gid_list)
4012 		goto fail_free_tgt_mem;
4013 
4014 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4015 	if (!ha->srb_mempool)
4016 		goto fail_free_gid_list;
4017 
4018 	if (IS_P3P_TYPE(ha)) {
4019 		/* Allocate cache for CT6 Ctx. */
4020 		if (!ctx_cachep) {
4021 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4022 				sizeof(struct ct6_dsd), 0,
4023 				SLAB_HWCACHE_ALIGN, NULL);
4024 			if (!ctx_cachep)
4025 				goto fail_free_srb_mempool;
4026 		}
4027 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4028 			ctx_cachep);
4029 		if (!ha->ctx_mempool)
4030 			goto fail_free_srb_mempool;
4031 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4032 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4033 		    ctx_cachep, ha->ctx_mempool);
4034 	}
4035 
4036 	/* Get memory for cached NVRAM */
4037 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4038 	if (!ha->nvram)
4039 		goto fail_free_ctx_mempool;
4040 
4041 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4042 		ha->pdev->device);
4043 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4044 		DMA_POOL_SIZE, 8, 0);
4045 	if (!ha->s_dma_pool)
4046 		goto fail_free_nvram;
4047 
4048 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4049 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4050 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4051 
4052 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
4053 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4054 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4055 		if (!ha->dl_dma_pool) {
4056 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4057 			    "Failed to allocate memory for dl_dma_pool.\n");
4058 			goto fail_s_dma_pool;
4059 		}
4060 
4061 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4062 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4063 		if (!ha->fcp_cmnd_dma_pool) {
4064 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4065 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4066 			goto fail_dl_dma_pool;
4067 		}
4068 
4069 		if (ql2xenabledif) {
4070 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4071 			struct dsd_dma *dsd, *nxt;
4072 			uint i;
4073 			/* Creata a DMA pool of buffers for DIF bundling */
4074 			ha->dif_bundl_pool = dma_pool_create(name,
4075 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4076 			if (!ha->dif_bundl_pool) {
4077 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4078 				    "%s: failed create dif_bundl_pool\n",
4079 				    __func__);
4080 				goto fail_dif_bundl_dma_pool;
4081 			}
4082 
4083 			INIT_LIST_HEAD(&ha->pool.good.head);
4084 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4085 			ha->pool.good.count = 0;
4086 			ha->pool.unusable.count = 0;
4087 			for (i = 0; i < 128; i++) {
4088 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4089 				if (!dsd) {
4090 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4091 					    0xe0ee, "%s: failed alloc dsd\n",
4092 					    __func__);
4093 					return 1;
4094 				}
4095 				ha->dif_bundle_kallocs++;
4096 
4097 				dsd->dsd_addr = dma_pool_alloc(
4098 				    ha->dif_bundl_pool, GFP_ATOMIC,
4099 				    &dsd->dsd_list_dma);
4100 				if (!dsd->dsd_addr) {
4101 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4102 					    0xe0ee,
4103 					    "%s: failed alloc ->dsd_addr\n",
4104 					    __func__);
4105 					kfree(dsd);
4106 					ha->dif_bundle_kallocs--;
4107 					continue;
4108 				}
4109 				ha->dif_bundle_dma_allocs++;
4110 
4111 				/*
4112 				 * if DMA buffer crosses 4G boundary,
4113 				 * put it on bad list
4114 				 */
4115 				if (MSD(dsd->dsd_list_dma) ^
4116 				    MSD(dsd->dsd_list_dma + bufsize)) {
4117 					list_add_tail(&dsd->list,
4118 					    &ha->pool.unusable.head);
4119 					ha->pool.unusable.count++;
4120 				} else {
4121 					list_add_tail(&dsd->list,
4122 					    &ha->pool.good.head);
4123 					ha->pool.good.count++;
4124 				}
4125 			}
4126 
4127 			/* return the good ones back to the pool */
4128 			list_for_each_entry_safe(dsd, nxt,
4129 			    &ha->pool.good.head, list) {
4130 				list_del(&dsd->list);
4131 				dma_pool_free(ha->dif_bundl_pool,
4132 				    dsd->dsd_addr, dsd->dsd_list_dma);
4133 				ha->dif_bundle_dma_allocs--;
4134 				kfree(dsd);
4135 				ha->dif_bundle_kallocs--;
4136 			}
4137 
4138 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4139 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4140 			    __func__, ha->pool.good.count,
4141 			    ha->pool.unusable.count);
4142 		}
4143 
4144 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4145 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4146 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4147 		    ha->dif_bundl_pool);
4148 	}
4149 
4150 	/* Allocate memory for SNS commands */
4151 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4152 	/* Get consistent memory allocated for SNS commands */
4153 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4154 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4155 		if (!ha->sns_cmd)
4156 			goto fail_dma_pool;
4157 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4158 		    "sns_cmd: %p.\n", ha->sns_cmd);
4159 	} else {
4160 	/* Get consistent memory allocated for MS IOCB */
4161 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4162 			&ha->ms_iocb_dma);
4163 		if (!ha->ms_iocb)
4164 			goto fail_dma_pool;
4165 	/* Get consistent memory allocated for CT SNS commands */
4166 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4167 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4168 		if (!ha->ct_sns)
4169 			goto fail_free_ms_iocb;
4170 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4171 		    "ms_iocb=%p ct_sns=%p.\n",
4172 		    ha->ms_iocb, ha->ct_sns);
4173 	}
4174 
4175 	/* Allocate memory for request ring */
4176 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4177 	if (!*req) {
4178 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4179 		    "Failed to allocate memory for req.\n");
4180 		goto fail_req;
4181 	}
4182 	(*req)->length = req_len;
4183 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4184 		((*req)->length + 1) * sizeof(request_t),
4185 		&(*req)->dma, GFP_KERNEL);
4186 	if (!(*req)->ring) {
4187 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4188 		    "Failed to allocate memory for req_ring.\n");
4189 		goto fail_req_ring;
4190 	}
4191 	/* Allocate memory for response ring */
4192 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4193 	if (!*rsp) {
4194 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4195 		    "Failed to allocate memory for rsp.\n");
4196 		goto fail_rsp;
4197 	}
4198 	(*rsp)->hw = ha;
4199 	(*rsp)->length = rsp_len;
4200 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4201 		((*rsp)->length + 1) * sizeof(response_t),
4202 		&(*rsp)->dma, GFP_KERNEL);
4203 	if (!(*rsp)->ring) {
4204 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4205 		    "Failed to allocate memory for rsp_ring.\n");
4206 		goto fail_rsp_ring;
4207 	}
4208 	(*req)->rsp = *rsp;
4209 	(*rsp)->req = *req;
4210 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4211 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4212 	    "rsp->length=%d rsp->ring=%p.\n",
4213 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4214 	    (*rsp)->ring);
4215 	/* Allocate memory for NVRAM data for vports */
4216 	if (ha->nvram_npiv_size) {
4217 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4218 					sizeof(struct qla_npiv_entry),
4219 					GFP_KERNEL);
4220 		if (!ha->npiv_info) {
4221 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4222 			    "Failed to allocate memory for npiv_info.\n");
4223 			goto fail_npiv_info;
4224 		}
4225 	} else
4226 		ha->npiv_info = NULL;
4227 
4228 	/* Get consistent memory allocated for EX-INIT-CB. */
4229 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4230 	    IS_QLA28XX(ha)) {
4231 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4232 		    &ha->ex_init_cb_dma);
4233 		if (!ha->ex_init_cb)
4234 			goto fail_ex_init_cb;
4235 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4236 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4237 	}
4238 
4239 	/* Get consistent memory allocated for Special Features-CB. */
4240 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4241 		ha->sf_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4242 						&ha->sf_init_cb_dma);
4243 		if (!ha->sf_init_cb)
4244 			goto fail_sf_init_cb;
4245 		memset(ha->sf_init_cb, 0, sizeof(struct init_sf_cb));
4246 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4247 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4248 	}
4249 
4250 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4251 
4252 	/* Get consistent memory allocated for Async Port-Database. */
4253 	if (!IS_FWI2_CAPABLE(ha)) {
4254 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4255 			&ha->async_pd_dma);
4256 		if (!ha->async_pd)
4257 			goto fail_async_pd;
4258 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4259 		    "async_pd=%p.\n", ha->async_pd);
4260 	}
4261 
4262 	INIT_LIST_HEAD(&ha->vp_list);
4263 
4264 	/* Allocate memory for our loop_id bitmap */
4265 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4266 				  sizeof(long),
4267 				  GFP_KERNEL);
4268 	if (!ha->loop_id_map)
4269 		goto fail_loop_id_map;
4270 	else {
4271 		qla2x00_set_reserved_loop_ids(ha);
4272 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4273 		    "loop_id_map=%p.\n", ha->loop_id_map);
4274 	}
4275 
4276 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4277 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4278 	if (!ha->sfp_data) {
4279 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4280 		    "Unable to allocate memory for SFP read-data.\n");
4281 		goto fail_sfp_data;
4282 	}
4283 
4284 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4285 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4286 	    GFP_KERNEL);
4287 	if (!ha->flt) {
4288 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4289 		    "Unable to allocate memory for FLT.\n");
4290 		goto fail_flt_buffer;
4291 	}
4292 
4293 	return 0;
4294 
4295 fail_flt_buffer:
4296 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4297 	    ha->sfp_data, ha->sfp_data_dma);
4298 fail_sfp_data:
4299 	kfree(ha->loop_id_map);
4300 fail_loop_id_map:
4301 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4302 fail_async_pd:
4303 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4304 fail_sf_init_cb:
4305 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4306 fail_ex_init_cb:
4307 	kfree(ha->npiv_info);
4308 fail_npiv_info:
4309 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4310 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4311 	(*rsp)->ring = NULL;
4312 	(*rsp)->dma = 0;
4313 fail_rsp_ring:
4314 	kfree(*rsp);
4315 	*rsp = NULL;
4316 fail_rsp:
4317 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4318 		sizeof(request_t), (*req)->ring, (*req)->dma);
4319 	(*req)->ring = NULL;
4320 	(*req)->dma = 0;
4321 fail_req_ring:
4322 	kfree(*req);
4323 	*req = NULL;
4324 fail_req:
4325 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4326 		ha->ct_sns, ha->ct_sns_dma);
4327 	ha->ct_sns = NULL;
4328 	ha->ct_sns_dma = 0;
4329 fail_free_ms_iocb:
4330 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4331 	ha->ms_iocb = NULL;
4332 	ha->ms_iocb_dma = 0;
4333 
4334 	if (ha->sns_cmd)
4335 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4336 		    ha->sns_cmd, ha->sns_cmd_dma);
4337 fail_dma_pool:
4338 	if (ql2xenabledif) {
4339 		struct dsd_dma *dsd, *nxt;
4340 
4341 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4342 		    list) {
4343 			list_del(&dsd->list);
4344 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4345 			    dsd->dsd_list_dma);
4346 			ha->dif_bundle_dma_allocs--;
4347 			kfree(dsd);
4348 			ha->dif_bundle_kallocs--;
4349 			ha->pool.unusable.count--;
4350 		}
4351 		dma_pool_destroy(ha->dif_bundl_pool);
4352 		ha->dif_bundl_pool = NULL;
4353 	}
4354 
4355 fail_dif_bundl_dma_pool:
4356 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4357 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4358 		ha->fcp_cmnd_dma_pool = NULL;
4359 	}
4360 fail_dl_dma_pool:
4361 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4362 		dma_pool_destroy(ha->dl_dma_pool);
4363 		ha->dl_dma_pool = NULL;
4364 	}
4365 fail_s_dma_pool:
4366 	dma_pool_destroy(ha->s_dma_pool);
4367 	ha->s_dma_pool = NULL;
4368 fail_free_nvram:
4369 	kfree(ha->nvram);
4370 	ha->nvram = NULL;
4371 fail_free_ctx_mempool:
4372 	mempool_destroy(ha->ctx_mempool);
4373 	ha->ctx_mempool = NULL;
4374 fail_free_srb_mempool:
4375 	mempool_destroy(ha->srb_mempool);
4376 	ha->srb_mempool = NULL;
4377 fail_free_gid_list:
4378 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4379 	ha->gid_list,
4380 	ha->gid_list_dma);
4381 	ha->gid_list = NULL;
4382 	ha->gid_list_dma = 0;
4383 fail_free_tgt_mem:
4384 	qlt_mem_free(ha);
4385 fail_free_init_cb:
4386 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4387 	ha->init_cb_dma);
4388 	ha->init_cb = NULL;
4389 	ha->init_cb_dma = 0;
4390 fail:
4391 	ql_log(ql_log_fatal, NULL, 0x0030,
4392 	    "Memory allocation failure.\n");
4393 	return -ENOMEM;
4394 }
4395 
4396 int
4397 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4398 {
4399 	int rval;
4400 	uint16_t	size, max_cnt;
4401 	uint32_t temp;
4402 	struct qla_hw_data *ha = vha->hw;
4403 
4404 	/* Return if we don't need to alloacate any extended logins */
4405 	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4406 		return QLA_SUCCESS;
4407 
4408 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4409 		return QLA_SUCCESS;
4410 
4411 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4412 	max_cnt = 0;
4413 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4414 	if (rval != QLA_SUCCESS) {
4415 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4416 		    "Failed to get exlogin status.\n");
4417 		return rval;
4418 	}
4419 
4420 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4421 	temp *= size;
4422 
4423 	if (temp != ha->exlogin_size) {
4424 		qla2x00_free_exlogin_buffer(ha);
4425 		ha->exlogin_size = temp;
4426 
4427 		ql_log(ql_log_info, vha, 0xd024,
4428 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4429 		    max_cnt, size, temp);
4430 
4431 		ql_log(ql_log_info, vha, 0xd025,
4432 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4433 
4434 		/* Get consistent memory for extended logins */
4435 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4436 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4437 		if (!ha->exlogin_buf) {
4438 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4439 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4440 			return -ENOMEM;
4441 		}
4442 	}
4443 
4444 	/* Now configure the dma buffer */
4445 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4446 	if (rval) {
4447 		ql_log(ql_log_fatal, vha, 0xd033,
4448 		    "Setup extended login buffer  ****FAILED****.\n");
4449 		qla2x00_free_exlogin_buffer(ha);
4450 	}
4451 
4452 	return rval;
4453 }
4454 
4455 /*
4456 * qla2x00_free_exlogin_buffer
4457 *
4458 * Input:
4459 *	ha = adapter block pointer
4460 */
4461 void
4462 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4463 {
4464 	if (ha->exlogin_buf) {
4465 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4466 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4467 		ha->exlogin_buf = NULL;
4468 		ha->exlogin_size = 0;
4469 	}
4470 }
4471 
4472 static void
4473 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4474 {
4475 	u32 temp;
4476 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4477 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4478 
4479 	if (max_cnt > vha->hw->max_exchg)
4480 		max_cnt = vha->hw->max_exchg;
4481 
4482 	if (qla_ini_mode_enabled(vha)) {
4483 		if (vha->ql2xiniexchg > max_cnt)
4484 			vha->ql2xiniexchg = max_cnt;
4485 
4486 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4487 			*ret_cnt = vha->ql2xiniexchg;
4488 
4489 	} else if (qla_tgt_mode_enabled(vha)) {
4490 		if (vha->ql2xexchoffld > max_cnt) {
4491 			vha->ql2xexchoffld = max_cnt;
4492 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4493 		}
4494 
4495 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4496 			*ret_cnt = vha->ql2xexchoffld;
4497 	} else if (qla_dual_mode_enabled(vha)) {
4498 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4499 		if (temp > max_cnt) {
4500 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4501 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4502 			temp = max_cnt;
4503 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4504 		}
4505 
4506 		if (temp > FW_DEF_EXCHANGES_CNT)
4507 			*ret_cnt = temp;
4508 	}
4509 }
4510 
4511 int
4512 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4513 {
4514 	int rval;
4515 	u16	size, max_cnt;
4516 	u32 actual_cnt, totsz;
4517 	struct qla_hw_data *ha = vha->hw;
4518 
4519 	if (!ha->flags.exchoffld_enabled)
4520 		return QLA_SUCCESS;
4521 
4522 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4523 		return QLA_SUCCESS;
4524 
4525 	max_cnt = 0;
4526 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4527 	if (rval != QLA_SUCCESS) {
4528 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4529 		    "Failed to get exlogin status.\n");
4530 		return rval;
4531 	}
4532 
4533 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4534 	ql_log(ql_log_info, vha, 0xd014,
4535 	    "Actual exchange offload count: %d.\n", actual_cnt);
4536 
4537 	totsz = actual_cnt * size;
4538 
4539 	if (totsz != ha->exchoffld_size) {
4540 		qla2x00_free_exchoffld_buffer(ha);
4541 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4542 			ha->exchoffld_size = 0;
4543 			ha->flags.exchoffld_enabled = 0;
4544 			return QLA_SUCCESS;
4545 		}
4546 
4547 		ha->exchoffld_size = totsz;
4548 
4549 		ql_log(ql_log_info, vha, 0xd016,
4550 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4551 		    max_cnt, actual_cnt, size, totsz);
4552 
4553 		ql_log(ql_log_info, vha, 0xd017,
4554 		    "Exchange Buffers requested size = 0x%x\n",
4555 		    ha->exchoffld_size);
4556 
4557 		/* Get consistent memory for extended logins */
4558 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4559 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4560 		if (!ha->exchoffld_buf) {
4561 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4562 			"Failed to allocate memory for Exchange Offload.\n");
4563 
4564 			if (ha->max_exchg >
4565 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4566 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4567 			} else if (ha->max_exchg >
4568 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4569 				ha->max_exchg -= 512;
4570 			} else {
4571 				ha->flags.exchoffld_enabled = 0;
4572 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4573 				    "Disabling Exchange offload due to lack of memory\n");
4574 			}
4575 			ha->exchoffld_size = 0;
4576 
4577 			return -ENOMEM;
4578 		}
4579 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4580 		/* pathological case */
4581 		qla2x00_free_exchoffld_buffer(ha);
4582 		ha->exchoffld_size = 0;
4583 		ha->flags.exchoffld_enabled = 0;
4584 		ql_log(ql_log_info, vha, 0xd016,
4585 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4586 		    ha->exchoffld_size, actual_cnt, size, totsz);
4587 		return 0;
4588 	}
4589 
4590 	/* Now configure the dma buffer */
4591 	rval = qla_set_exchoffld_mem_cfg(vha);
4592 	if (rval) {
4593 		ql_log(ql_log_fatal, vha, 0xd02e,
4594 		    "Setup exchange offload buffer ****FAILED****.\n");
4595 		qla2x00_free_exchoffld_buffer(ha);
4596 	} else {
4597 		/* re-adjust number of target exchange */
4598 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4599 
4600 		if (qla_ini_mode_enabled(vha))
4601 			icb->exchange_count = 0;
4602 		else
4603 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4604 	}
4605 
4606 	return rval;
4607 }
4608 
4609 /*
4610 * qla2x00_free_exchoffld_buffer
4611 *
4612 * Input:
4613 *	ha = adapter block pointer
4614 */
4615 void
4616 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4617 {
4618 	if (ha->exchoffld_buf) {
4619 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4620 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4621 		ha->exchoffld_buf = NULL;
4622 		ha->exchoffld_size = 0;
4623 	}
4624 }
4625 
4626 /*
4627 * qla2x00_free_fw_dump
4628 *	Frees fw dump stuff.
4629 *
4630 * Input:
4631 *	ha = adapter block pointer
4632 */
4633 static void
4634 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4635 {
4636 	struct fwdt *fwdt = ha->fwdt;
4637 	uint j;
4638 
4639 	if (ha->fce)
4640 		dma_free_coherent(&ha->pdev->dev,
4641 		    FCE_SIZE, ha->fce, ha->fce_dma);
4642 
4643 	if (ha->eft)
4644 		dma_free_coherent(&ha->pdev->dev,
4645 		    EFT_SIZE, ha->eft, ha->eft_dma);
4646 
4647 	if (ha->fw_dump)
4648 		vfree(ha->fw_dump);
4649 
4650 	ha->fce = NULL;
4651 	ha->fce_dma = 0;
4652 	ha->flags.fce_enabled = 0;
4653 	ha->eft = NULL;
4654 	ha->eft_dma = 0;
4655 	ha->fw_dumped = false;
4656 	ha->fw_dump_cap_flags = 0;
4657 	ha->fw_dump_reading = 0;
4658 	ha->fw_dump = NULL;
4659 	ha->fw_dump_len = 0;
4660 
4661 	for (j = 0; j < 2; j++, fwdt++) {
4662 		if (fwdt->template)
4663 			vfree(fwdt->template);
4664 		fwdt->template = NULL;
4665 		fwdt->length = 0;
4666 	}
4667 }
4668 
4669 /*
4670 * qla2x00_mem_free
4671 *      Frees all adapter allocated memory.
4672 *
4673 * Input:
4674 *      ha = adapter block pointer.
4675 */
4676 static void
4677 qla2x00_mem_free(struct qla_hw_data *ha)
4678 {
4679 	qla2x00_free_fw_dump(ha);
4680 
4681 	if (ha->mctp_dump)
4682 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4683 		    ha->mctp_dump_dma);
4684 	ha->mctp_dump = NULL;
4685 
4686 	mempool_destroy(ha->srb_mempool);
4687 	ha->srb_mempool = NULL;
4688 
4689 	if (ha->dcbx_tlv)
4690 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4691 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4692 	ha->dcbx_tlv = NULL;
4693 
4694 	if (ha->xgmac_data)
4695 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4696 		    ha->xgmac_data, ha->xgmac_data_dma);
4697 	ha->xgmac_data = NULL;
4698 
4699 	if (ha->sns_cmd)
4700 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4701 		ha->sns_cmd, ha->sns_cmd_dma);
4702 	ha->sns_cmd = NULL;
4703 	ha->sns_cmd_dma = 0;
4704 
4705 	if (ha->ct_sns)
4706 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4707 		ha->ct_sns, ha->ct_sns_dma);
4708 	ha->ct_sns = NULL;
4709 	ha->ct_sns_dma = 0;
4710 
4711 	if (ha->sfp_data)
4712 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4713 		    ha->sfp_data_dma);
4714 	ha->sfp_data = NULL;
4715 
4716 	if (ha->flt)
4717 		dma_free_coherent(&ha->pdev->dev,
4718 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4719 		    ha->flt, ha->flt_dma);
4720 	ha->flt = NULL;
4721 	ha->flt_dma = 0;
4722 
4723 	if (ha->ms_iocb)
4724 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4725 	ha->ms_iocb = NULL;
4726 	ha->ms_iocb_dma = 0;
4727 
4728 	if (ha->sf_init_cb)
4729 		dma_pool_free(ha->s_dma_pool,
4730 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4731 
4732 	if (ha->ex_init_cb)
4733 		dma_pool_free(ha->s_dma_pool,
4734 			ha->ex_init_cb, ha->ex_init_cb_dma);
4735 	ha->ex_init_cb = NULL;
4736 	ha->ex_init_cb_dma = 0;
4737 
4738 	if (ha->async_pd)
4739 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4740 	ha->async_pd = NULL;
4741 	ha->async_pd_dma = 0;
4742 
4743 	dma_pool_destroy(ha->s_dma_pool);
4744 	ha->s_dma_pool = NULL;
4745 
4746 	if (ha->gid_list)
4747 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4748 		ha->gid_list, ha->gid_list_dma);
4749 	ha->gid_list = NULL;
4750 	ha->gid_list_dma = 0;
4751 
4752 	if (IS_QLA82XX(ha)) {
4753 		if (!list_empty(&ha->gbl_dsd_list)) {
4754 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4755 
4756 			/* clean up allocated prev pool */
4757 			list_for_each_entry_safe(dsd_ptr,
4758 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4759 				dma_pool_free(ha->dl_dma_pool,
4760 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4761 				list_del(&dsd_ptr->list);
4762 				kfree(dsd_ptr);
4763 			}
4764 		}
4765 	}
4766 
4767 	dma_pool_destroy(ha->dl_dma_pool);
4768 	ha->dl_dma_pool = NULL;
4769 
4770 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4771 	ha->fcp_cmnd_dma_pool = NULL;
4772 
4773 	mempool_destroy(ha->ctx_mempool);
4774 	ha->ctx_mempool = NULL;
4775 
4776 	if (ql2xenabledif && ha->dif_bundl_pool) {
4777 		struct dsd_dma *dsd, *nxt;
4778 
4779 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4780 					 list) {
4781 			list_del(&dsd->list);
4782 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4783 				      dsd->dsd_list_dma);
4784 			ha->dif_bundle_dma_allocs--;
4785 			kfree(dsd);
4786 			ha->dif_bundle_kallocs--;
4787 			ha->pool.unusable.count--;
4788 		}
4789 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4790 			list_del(&dsd->list);
4791 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4792 				      dsd->dsd_list_dma);
4793 			ha->dif_bundle_dma_allocs--;
4794 			kfree(dsd);
4795 			ha->dif_bundle_kallocs--;
4796 		}
4797 	}
4798 
4799 	dma_pool_destroy(ha->dif_bundl_pool);
4800 	ha->dif_bundl_pool = NULL;
4801 
4802 	qlt_mem_free(ha);
4803 
4804 	if (ha->init_cb)
4805 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4806 			ha->init_cb, ha->init_cb_dma);
4807 	ha->init_cb = NULL;
4808 	ha->init_cb_dma = 0;
4809 
4810 	vfree(ha->optrom_buffer);
4811 	ha->optrom_buffer = NULL;
4812 	kfree(ha->nvram);
4813 	ha->nvram = NULL;
4814 	kfree(ha->npiv_info);
4815 	ha->npiv_info = NULL;
4816 	kfree(ha->swl);
4817 	ha->swl = NULL;
4818 	kfree(ha->loop_id_map);
4819 	ha->sf_init_cb = NULL;
4820 	ha->sf_init_cb_dma = 0;
4821 	ha->loop_id_map = NULL;
4822 }
4823 
4824 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4825 						struct qla_hw_data *ha)
4826 {
4827 	struct Scsi_Host *host;
4828 	struct scsi_qla_host *vha = NULL;
4829 
4830 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4831 	if (!host) {
4832 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4833 		    "Failed to allocate host from the scsi layer, aborting.\n");
4834 		return NULL;
4835 	}
4836 
4837 	/* Clear our data area */
4838 	vha = shost_priv(host);
4839 	memset(vha, 0, sizeof(scsi_qla_host_t));
4840 
4841 	vha->host = host;
4842 	vha->host_no = host->host_no;
4843 	vha->hw = ha;
4844 
4845 	vha->qlini_mode = ql2x_ini_mode;
4846 	vha->ql2xexchoffld = ql2xexchoffld;
4847 	vha->ql2xiniexchg = ql2xiniexchg;
4848 
4849 	INIT_LIST_HEAD(&vha->vp_fcports);
4850 	INIT_LIST_HEAD(&vha->work_list);
4851 	INIT_LIST_HEAD(&vha->list);
4852 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4853 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4854 	INIT_LIST_HEAD(&vha->logo_list);
4855 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4856 	INIT_LIST_HEAD(&vha->qp_list);
4857 	INIT_LIST_HEAD(&vha->gnl.fcports);
4858 	INIT_LIST_HEAD(&vha->gpnid_list);
4859 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4860 
4861 	INIT_LIST_HEAD(&vha->purex_list.head);
4862 	spin_lock_init(&vha->purex_list.lock);
4863 
4864 	spin_lock_init(&vha->work_lock);
4865 	spin_lock_init(&vha->cmd_list_lock);
4866 	init_waitqueue_head(&vha->fcport_waitQ);
4867 	init_waitqueue_head(&vha->vref_waitq);
4868 
4869 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4870 			(ha->max_loop_id + 1);
4871 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4872 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4873 	if (!vha->gnl.l) {
4874 		ql_log(ql_log_fatal, vha, 0xd04a,
4875 		    "Alloc failed for name list.\n");
4876 		scsi_host_put(vha->host);
4877 		return NULL;
4878 	}
4879 
4880 	/* todo: what about ext login? */
4881 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4882 	vha->scan.l = vmalloc(vha->scan.size);
4883 	if (!vha->scan.l) {
4884 		ql_log(ql_log_fatal, vha, 0xd04a,
4885 		    "Alloc failed for scan database.\n");
4886 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4887 		    vha->gnl.l, vha->gnl.ldma);
4888 		vha->gnl.l = NULL;
4889 		scsi_host_put(vha->host);
4890 		return NULL;
4891 	}
4892 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4893 
4894 	sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
4895 	ql_dbg(ql_dbg_init, vha, 0x0041,
4896 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4897 	    vha->host, vha->hw, vha,
4898 	    dev_name(&(ha->pdev->dev)));
4899 
4900 	return vha;
4901 }
4902 
4903 struct qla_work_evt *
4904 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4905 {
4906 	struct qla_work_evt *e;
4907 	uint8_t bail;
4908 
4909 	if (test_bit(UNLOADING, &vha->dpc_flags))
4910 		return NULL;
4911 
4912 	QLA_VHA_MARK_BUSY(vha, bail);
4913 	if (bail)
4914 		return NULL;
4915 
4916 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4917 	if (!e) {
4918 		QLA_VHA_MARK_NOT_BUSY(vha);
4919 		return NULL;
4920 	}
4921 
4922 	INIT_LIST_HEAD(&e->list);
4923 	e->type = type;
4924 	e->flags = QLA_EVT_FLAG_FREE;
4925 	return e;
4926 }
4927 
4928 int
4929 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4930 {
4931 	unsigned long flags;
4932 	bool q = false;
4933 
4934 	spin_lock_irqsave(&vha->work_lock, flags);
4935 	list_add_tail(&e->list, &vha->work_list);
4936 
4937 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4938 		q = true;
4939 
4940 	spin_unlock_irqrestore(&vha->work_lock, flags);
4941 
4942 	if (q)
4943 		queue_work(vha->hw->wq, &vha->iocb_work);
4944 
4945 	return QLA_SUCCESS;
4946 }
4947 
4948 int
4949 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4950     u32 data)
4951 {
4952 	struct qla_work_evt *e;
4953 
4954 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4955 	if (!e)
4956 		return QLA_FUNCTION_FAILED;
4957 
4958 	e->u.aen.code = code;
4959 	e->u.aen.data = data;
4960 	return qla2x00_post_work(vha, e);
4961 }
4962 
4963 int
4964 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4965 {
4966 	struct qla_work_evt *e;
4967 
4968 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4969 	if (!e)
4970 		return QLA_FUNCTION_FAILED;
4971 
4972 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4973 	return qla2x00_post_work(vha, e);
4974 }
4975 
4976 #define qla2x00_post_async_work(name, type)	\
4977 int qla2x00_post_async_##name##_work(		\
4978     struct scsi_qla_host *vha,			\
4979     fc_port_t *fcport, uint16_t *data)		\
4980 {						\
4981 	struct qla_work_evt *e;			\
4982 						\
4983 	e = qla2x00_alloc_work(vha, type);	\
4984 	if (!e)					\
4985 		return QLA_FUNCTION_FAILED;	\
4986 						\
4987 	e->u.logio.fcport = fcport;		\
4988 	if (data) {				\
4989 		e->u.logio.data[0] = data[0];	\
4990 		e->u.logio.data[1] = data[1];	\
4991 	}					\
4992 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4993 	return qla2x00_post_work(vha, e);	\
4994 }
4995 
4996 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4997 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4998 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4999 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
5000 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
5001 
5002 int
5003 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
5004 {
5005 	struct qla_work_evt *e;
5006 
5007 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
5008 	if (!e)
5009 		return QLA_FUNCTION_FAILED;
5010 
5011 	e->u.uevent.code = code;
5012 	return qla2x00_post_work(vha, e);
5013 }
5014 
5015 static void
5016 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5017 {
5018 	char event_string[40];
5019 	char *envp[] = { event_string, NULL };
5020 
5021 	switch (code) {
5022 	case QLA_UEVENT_CODE_FW_DUMP:
5023 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5024 		    vha->host_no);
5025 		break;
5026 	default:
5027 		/* do nothing */
5028 		break;
5029 	}
5030 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5031 }
5032 
5033 int
5034 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5035 			uint32_t *data, int cnt)
5036 {
5037 	struct qla_work_evt *e;
5038 
5039 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5040 	if (!e)
5041 		return QLA_FUNCTION_FAILED;
5042 
5043 	e->u.aenfx.evtcode = evtcode;
5044 	e->u.aenfx.count = cnt;
5045 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5046 	return qla2x00_post_work(vha, e);
5047 }
5048 
5049 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5050 {
5051 	unsigned long flags;
5052 
5053 	if (IS_SW_RESV_ADDR(fcport->d_id))
5054 		return;
5055 
5056 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5057 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5058 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5059 		return;
5060 	}
5061 	fcport->jiffies_at_registration = jiffies;
5062 	fcport->sec_since_registration = 0;
5063 	fcport->next_disc_state = DSC_DELETED;
5064 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5065 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5066 
5067 	queue_work(system_unbound_wq, &fcport->reg_work);
5068 }
5069 
5070 static
5071 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5072 {
5073 	unsigned long flags;
5074 	fc_port_t *fcport =  NULL, *tfcp;
5075 	struct qlt_plogi_ack_t *pla =
5076 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5077 	uint8_t free_fcport = 0;
5078 
5079 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5080 	    "%s %d %8phC enter\n",
5081 	    __func__, __LINE__, e->u.new_sess.port_name);
5082 
5083 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5084 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5085 	if (fcport) {
5086 		fcport->d_id = e->u.new_sess.id;
5087 		if (pla) {
5088 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5089 			memcpy(fcport->node_name,
5090 			    pla->iocb.u.isp24.u.plogi.node_name,
5091 			    WWN_SIZE);
5092 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5093 			/* we took an extra ref_count to prevent PLOGI ACK when
5094 			 * fcport/sess has not been created.
5095 			 */
5096 			pla->ref_count--;
5097 		}
5098 	} else {
5099 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5100 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5101 		if (fcport) {
5102 			fcport->d_id = e->u.new_sess.id;
5103 			fcport->flags |= FCF_FABRIC_DEVICE;
5104 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5105 			fcport->tgt_short_link_down_cnt = 0;
5106 
5107 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5108 			    WWN_SIZE);
5109 
5110 			fcport->fc4_type = e->u.new_sess.fc4_type;
5111 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5112 				fcport->dm_login_expire = jiffies +
5113 					QLA_N2N_WAIT_TIME * HZ;
5114 				fcport->fc4_type = FS_FC4TYPE_FCP;
5115 				fcport->n2n_flag = 1;
5116 				if (vha->flags.nvme_enabled)
5117 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5118 			}
5119 
5120 		} else {
5121 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5122 				   "%s %8phC mem alloc fail.\n",
5123 				   __func__, e->u.new_sess.port_name);
5124 
5125 			if (pla) {
5126 				list_del(&pla->list);
5127 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5128 			}
5129 			return;
5130 		}
5131 
5132 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5133 		/* search again to make sure no one else got ahead */
5134 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5135 		    e->u.new_sess.port_name, 1);
5136 		if (tfcp) {
5137 			/* should rarily happen */
5138 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5139 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5140 			    __func__, tfcp->port_name, tfcp->disc_state,
5141 			    tfcp->fw_login_state);
5142 
5143 			free_fcport = 1;
5144 		} else {
5145 			list_add_tail(&fcport->list, &vha->vp_fcports);
5146 
5147 		}
5148 		if (pla) {
5149 			qlt_plogi_ack_link(vha, pla, fcport,
5150 			    QLT_PLOGI_LINK_SAME_WWN);
5151 			pla->ref_count--;
5152 		}
5153 	}
5154 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5155 
5156 	if (fcport) {
5157 		fcport->id_changed = 1;
5158 		fcport->scan_state = QLA_FCPORT_FOUND;
5159 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5160 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5161 
5162 		if (pla) {
5163 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5164 				u16 wd3_lo;
5165 
5166 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5167 				fcport->local = 0;
5168 				fcport->loop_id =
5169 					le16_to_cpu(
5170 					    pla->iocb.u.isp24.nport_handle);
5171 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5172 				wd3_lo =
5173 				    le16_to_cpu(
5174 					pla->iocb.u.isp24.u.prli.wd3_lo);
5175 
5176 				if (wd3_lo & BIT_7)
5177 					fcport->conf_compl_supported = 1;
5178 
5179 				if ((wd3_lo & BIT_4) == 0)
5180 					fcport->port_type = FCT_INITIATOR;
5181 				else
5182 					fcport->port_type = FCT_TARGET;
5183 			}
5184 			qlt_plogi_ack_unref(vha, pla);
5185 		} else {
5186 			fc_port_t *dfcp = NULL;
5187 
5188 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5189 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5190 			    &e->u.new_sess.id, 1);
5191 			if (tfcp && (tfcp != fcport)) {
5192 				/*
5193 				 * We have a conflict fcport with same NportID.
5194 				 */
5195 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5196 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5197 				    __func__, tfcp->port_name, tfcp->disc_state,
5198 				    tfcp->fw_login_state);
5199 
5200 				switch (tfcp->disc_state) {
5201 				case DSC_DELETED:
5202 					break;
5203 				case DSC_DELETE_PEND:
5204 					fcport->login_pause = 1;
5205 					tfcp->conflict = fcport;
5206 					break;
5207 				default:
5208 					fcport->login_pause = 1;
5209 					tfcp->conflict = fcport;
5210 					dfcp = tfcp;
5211 					break;
5212 				}
5213 			}
5214 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5215 			if (dfcp)
5216 				qlt_schedule_sess_for_deletion(tfcp);
5217 
5218 			if (N2N_TOPO(vha->hw)) {
5219 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5220 				fcport->keep_nport_handle = 1;
5221 				if (vha->flags.nvme_enabled) {
5222 					fcport->fc4_type =
5223 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5224 					fcport->n2n_flag = 1;
5225 				}
5226 				fcport->fw_login_state = 0;
5227 
5228 				schedule_delayed_work(&vha->scan.scan_work, 5);
5229 			} else {
5230 				qla24xx_fcport_handle_login(vha, fcport);
5231 			}
5232 		}
5233 	}
5234 
5235 	if (free_fcport) {
5236 		qla2x00_free_fcport(fcport);
5237 		if (pla) {
5238 			list_del(&pla->list);
5239 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5240 		}
5241 	}
5242 }
5243 
5244 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5245 {
5246 	struct srb *sp = e->u.iosb.sp;
5247 	int rval;
5248 
5249 	rval = qla2x00_start_sp(sp);
5250 	if (rval != QLA_SUCCESS) {
5251 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5252 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5253 		    __func__, sp->name, rval);
5254 		qla24xx_sp_unmap(vha, sp);
5255 	}
5256 }
5257 
5258 void
5259 qla2x00_do_work(struct scsi_qla_host *vha)
5260 {
5261 	struct qla_work_evt *e, *tmp;
5262 	unsigned long flags;
5263 	LIST_HEAD(work);
5264 	int rc;
5265 
5266 	spin_lock_irqsave(&vha->work_lock, flags);
5267 	list_splice_init(&vha->work_list, &work);
5268 	spin_unlock_irqrestore(&vha->work_lock, flags);
5269 
5270 	list_for_each_entry_safe(e, tmp, &work, list) {
5271 		rc = QLA_SUCCESS;
5272 		switch (e->type) {
5273 		case QLA_EVT_AEN:
5274 			fc_host_post_event(vha->host, fc_get_event_number(),
5275 			    e->u.aen.code, e->u.aen.data);
5276 			break;
5277 		case QLA_EVT_IDC_ACK:
5278 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5279 			break;
5280 		case QLA_EVT_ASYNC_LOGIN:
5281 			qla2x00_async_login(vha, e->u.logio.fcport,
5282 			    e->u.logio.data);
5283 			break;
5284 		case QLA_EVT_ASYNC_LOGOUT:
5285 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5286 			break;
5287 		case QLA_EVT_ASYNC_ADISC:
5288 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5289 			    e->u.logio.data);
5290 			break;
5291 		case QLA_EVT_UEVENT:
5292 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5293 			break;
5294 		case QLA_EVT_AENFX:
5295 			qlafx00_process_aen(vha, e);
5296 			break;
5297 		case QLA_EVT_GPNID:
5298 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5299 			break;
5300 		case QLA_EVT_UNMAP:
5301 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5302 			break;
5303 		case QLA_EVT_RELOGIN:
5304 			qla2x00_relogin(vha);
5305 			break;
5306 		case QLA_EVT_NEW_SESS:
5307 			qla24xx_create_new_sess(vha, e);
5308 			break;
5309 		case QLA_EVT_GPDB:
5310 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5311 			    e->u.fcport.opt);
5312 			break;
5313 		case QLA_EVT_PRLI:
5314 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5315 			break;
5316 		case QLA_EVT_GPSC:
5317 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5318 			break;
5319 		case QLA_EVT_GNL:
5320 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5321 			break;
5322 		case QLA_EVT_NACK:
5323 			qla24xx_do_nack_work(vha, e);
5324 			break;
5325 		case QLA_EVT_ASYNC_PRLO:
5326 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5327 			break;
5328 		case QLA_EVT_ASYNC_PRLO_DONE:
5329 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5330 			    e->u.logio.data);
5331 			break;
5332 		case QLA_EVT_GPNFT:
5333 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5334 			    e->u.gpnft.sp);
5335 			break;
5336 		case QLA_EVT_GPNFT_DONE:
5337 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5338 			break;
5339 		case QLA_EVT_GNNFT_DONE:
5340 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5341 			break;
5342 		case QLA_EVT_GNNID:
5343 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5344 			break;
5345 		case QLA_EVT_GFPNID:
5346 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5347 			break;
5348 		case QLA_EVT_SP_RETRY:
5349 			qla_sp_retry(vha, e);
5350 			break;
5351 		case QLA_EVT_IIDMA:
5352 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5353 			break;
5354 		case QLA_EVT_ELS_PLOGI:
5355 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5356 			    e->u.fcport.fcport, false);
5357 			break;
5358 		}
5359 
5360 		if (rc == EAGAIN) {
5361 			/* put 'work' at head of 'vha->work_list' */
5362 			spin_lock_irqsave(&vha->work_lock, flags);
5363 			list_splice(&work, &vha->work_list);
5364 			spin_unlock_irqrestore(&vha->work_lock, flags);
5365 			break;
5366 		}
5367 		list_del_init(&e->list);
5368 		if (e->flags & QLA_EVT_FLAG_FREE)
5369 			kfree(e);
5370 
5371 		/* For each work completed decrement vha ref count */
5372 		QLA_VHA_MARK_NOT_BUSY(vha);
5373 	}
5374 }
5375 
5376 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5377 {
5378 	struct qla_work_evt *e;
5379 
5380 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5381 
5382 	if (!e) {
5383 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5384 		return QLA_FUNCTION_FAILED;
5385 	}
5386 
5387 	return qla2x00_post_work(vha, e);
5388 }
5389 
5390 /* Relogins all the fcports of a vport
5391  * Context: dpc thread
5392  */
5393 void qla2x00_relogin(struct scsi_qla_host *vha)
5394 {
5395 	fc_port_t       *fcport;
5396 	int status, relogin_needed = 0;
5397 	struct event_arg ea;
5398 
5399 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5400 		/*
5401 		 * If the port is not ONLINE then try to login
5402 		 * to it if we haven't run out of retries.
5403 		 */
5404 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5405 		    fcport->login_retry) {
5406 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5407 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5408 				continue;
5409 
5410 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5411 				fcport->disc_state == DSC_DELETE_PEND) {
5412 				relogin_needed = 1;
5413 			} else {
5414 				if (vha->hw->current_topology != ISP_CFG_NL) {
5415 					memset(&ea, 0, sizeof(ea));
5416 					ea.fcport = fcport;
5417 					qla24xx_handle_relogin_event(vha, &ea);
5418 				} else if (vha->hw->current_topology ==
5419 				    ISP_CFG_NL) {
5420 					fcport->login_retry--;
5421 					status =
5422 					    qla2x00_local_device_login(vha,
5423 						fcport);
5424 					if (status == QLA_SUCCESS) {
5425 						fcport->old_loop_id =
5426 						    fcport->loop_id;
5427 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5428 						    "Port login OK: logged in ID 0x%x.\n",
5429 						    fcport->loop_id);
5430 						qla2x00_update_fcport
5431 							(vha, fcport);
5432 					} else if (status == 1) {
5433 						set_bit(RELOGIN_NEEDED,
5434 						    &vha->dpc_flags);
5435 						/* retry the login again */
5436 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5437 						    "Retrying %d login again loop_id 0x%x.\n",
5438 						    fcport->login_retry,
5439 						    fcport->loop_id);
5440 					} else {
5441 						fcport->login_retry = 0;
5442 					}
5443 
5444 					if (fcport->login_retry == 0 &&
5445 					    status != QLA_SUCCESS)
5446 						qla2x00_clear_loop_id(fcport);
5447 				}
5448 			}
5449 		}
5450 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5451 			break;
5452 	}
5453 
5454 	if (relogin_needed)
5455 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5456 
5457 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5458 	    "Relogin end.\n");
5459 }
5460 
5461 /* Schedule work on any of the dpc-workqueues */
5462 void
5463 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5464 {
5465 	struct qla_hw_data *ha = base_vha->hw;
5466 
5467 	switch (work_code) {
5468 	case MBA_IDC_AEN: /* 0x8200 */
5469 		if (ha->dpc_lp_wq)
5470 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5471 		break;
5472 
5473 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5474 		if (!ha->flags.nic_core_reset_hdlr_active) {
5475 			if (ha->dpc_hp_wq)
5476 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5477 		} else
5478 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5479 			    "NIC Core reset is already active. Skip "
5480 			    "scheduling it again.\n");
5481 		break;
5482 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5483 		if (ha->dpc_hp_wq)
5484 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5485 		break;
5486 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5487 		if (ha->dpc_hp_wq)
5488 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5489 		break;
5490 	default:
5491 		ql_log(ql_log_warn, base_vha, 0xb05f,
5492 		    "Unknown work-code=0x%x.\n", work_code);
5493 	}
5494 
5495 	return;
5496 }
5497 
5498 /* Work: Perform NIC Core Unrecoverable state handling */
5499 void
5500 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5501 {
5502 	struct qla_hw_data *ha =
5503 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5504 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5505 	uint32_t dev_state = 0;
5506 
5507 	qla83xx_idc_lock(base_vha, 0);
5508 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5509 	qla83xx_reset_ownership(base_vha);
5510 	if (ha->flags.nic_core_reset_owner) {
5511 		ha->flags.nic_core_reset_owner = 0;
5512 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5513 		    QLA8XXX_DEV_FAILED);
5514 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5515 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5516 	}
5517 	qla83xx_idc_unlock(base_vha, 0);
5518 }
5519 
5520 /* Work: Execute IDC state handler */
5521 void
5522 qla83xx_idc_state_handler_work(struct work_struct *work)
5523 {
5524 	struct qla_hw_data *ha =
5525 		container_of(work, struct qla_hw_data, idc_state_handler);
5526 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5527 	uint32_t dev_state = 0;
5528 
5529 	qla83xx_idc_lock(base_vha, 0);
5530 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5531 	if (dev_state == QLA8XXX_DEV_FAILED ||
5532 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5533 		qla83xx_idc_state_handler(base_vha);
5534 	qla83xx_idc_unlock(base_vha, 0);
5535 }
5536 
5537 static int
5538 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5539 {
5540 	int rval = QLA_SUCCESS;
5541 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5542 	uint32_t heart_beat_counter1, heart_beat_counter2;
5543 
5544 	do {
5545 		if (time_after(jiffies, heart_beat_wait)) {
5546 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5547 			    "Nic Core f/w is not alive.\n");
5548 			rval = QLA_FUNCTION_FAILED;
5549 			break;
5550 		}
5551 
5552 		qla83xx_idc_lock(base_vha, 0);
5553 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5554 		    &heart_beat_counter1);
5555 		qla83xx_idc_unlock(base_vha, 0);
5556 		msleep(100);
5557 		qla83xx_idc_lock(base_vha, 0);
5558 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5559 		    &heart_beat_counter2);
5560 		qla83xx_idc_unlock(base_vha, 0);
5561 	} while (heart_beat_counter1 == heart_beat_counter2);
5562 
5563 	return rval;
5564 }
5565 
5566 /* Work: Perform NIC Core Reset handling */
5567 void
5568 qla83xx_nic_core_reset_work(struct work_struct *work)
5569 {
5570 	struct qla_hw_data *ha =
5571 		container_of(work, struct qla_hw_data, nic_core_reset);
5572 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5573 	uint32_t dev_state = 0;
5574 
5575 	if (IS_QLA2031(ha)) {
5576 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5577 			ql_log(ql_log_warn, base_vha, 0xb081,
5578 			    "Failed to dump mctp\n");
5579 		return;
5580 	}
5581 
5582 	if (!ha->flags.nic_core_reset_hdlr_active) {
5583 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5584 			qla83xx_idc_lock(base_vha, 0);
5585 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5586 			    &dev_state);
5587 			qla83xx_idc_unlock(base_vha, 0);
5588 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5589 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5590 				    "Nic Core f/w is alive.\n");
5591 				return;
5592 			}
5593 		}
5594 
5595 		ha->flags.nic_core_reset_hdlr_active = 1;
5596 		if (qla83xx_nic_core_reset(base_vha)) {
5597 			/* NIC Core reset failed. */
5598 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5599 			    "NIC Core reset failed.\n");
5600 		}
5601 		ha->flags.nic_core_reset_hdlr_active = 0;
5602 	}
5603 }
5604 
5605 /* Work: Handle 8200 IDC aens */
5606 void
5607 qla83xx_service_idc_aen(struct work_struct *work)
5608 {
5609 	struct qla_hw_data *ha =
5610 		container_of(work, struct qla_hw_data, idc_aen);
5611 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5612 	uint32_t dev_state, idc_control;
5613 
5614 	qla83xx_idc_lock(base_vha, 0);
5615 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5616 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5617 	qla83xx_idc_unlock(base_vha, 0);
5618 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5619 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5620 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5621 			    "Application requested NIC Core Reset.\n");
5622 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5623 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5624 		    QLA_SUCCESS) {
5625 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5626 			    "Other protocol driver requested NIC Core Reset.\n");
5627 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5628 		}
5629 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5630 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5631 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5632 	}
5633 }
5634 
5635 /*
5636  * Control the frequency of IDC lock retries
5637  */
5638 #define QLA83XX_WAIT_LOGIC_MS	100
5639 
5640 static int
5641 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5642 {
5643 	int rval;
5644 	uint32_t data;
5645 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5646 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5647 	struct qla_hw_data *ha = base_vha->hw;
5648 
5649 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5650 	    "Trying force recovery of the IDC lock.\n");
5651 
5652 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5653 	if (rval)
5654 		return rval;
5655 
5656 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5657 		return QLA_SUCCESS;
5658 	} else {
5659 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5660 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5661 		    data);
5662 		if (rval)
5663 			return rval;
5664 
5665 		msleep(200);
5666 
5667 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5668 		    &data);
5669 		if (rval)
5670 			return rval;
5671 
5672 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5673 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5674 					~(idc_lck_rcvry_stage_mask));
5675 			rval = qla83xx_wr_reg(base_vha,
5676 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5677 			if (rval)
5678 				return rval;
5679 
5680 			/* Forcefully perform IDC UnLock */
5681 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5682 			    &data);
5683 			if (rval)
5684 				return rval;
5685 			/* Clear lock-id by setting 0xff */
5686 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5687 			    0xff);
5688 			if (rval)
5689 				return rval;
5690 			/* Clear lock-recovery by setting 0x0 */
5691 			rval = qla83xx_wr_reg(base_vha,
5692 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5693 			if (rval)
5694 				return rval;
5695 		} else
5696 			return QLA_SUCCESS;
5697 	}
5698 
5699 	return rval;
5700 }
5701 
5702 static int
5703 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5704 {
5705 	int rval = QLA_SUCCESS;
5706 	uint32_t o_drv_lockid, n_drv_lockid;
5707 	unsigned long lock_recovery_timeout;
5708 
5709 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5710 retry_lockid:
5711 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5712 	if (rval)
5713 		goto exit;
5714 
5715 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5716 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5717 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5718 			return QLA_SUCCESS;
5719 		else
5720 			return QLA_FUNCTION_FAILED;
5721 	}
5722 
5723 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5724 	if (rval)
5725 		goto exit;
5726 
5727 	if (o_drv_lockid == n_drv_lockid) {
5728 		msleep(QLA83XX_WAIT_LOGIC_MS);
5729 		goto retry_lockid;
5730 	} else
5731 		return QLA_SUCCESS;
5732 
5733 exit:
5734 	return rval;
5735 }
5736 
5737 /*
5738  * Context: task, can sleep
5739  */
5740 void
5741 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5742 {
5743 	uint32_t data;
5744 	uint32_t lock_owner;
5745 	struct qla_hw_data *ha = base_vha->hw;
5746 
5747 	might_sleep();
5748 
5749 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5750 retry_lock:
5751 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5752 	    == QLA_SUCCESS) {
5753 		if (data) {
5754 			/* Setting lock-id to our function-number */
5755 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5756 			    ha->portnum);
5757 		} else {
5758 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5759 			    &lock_owner);
5760 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5761 			    "Failed to acquire IDC lock, acquired by %d, "
5762 			    "retrying...\n", lock_owner);
5763 
5764 			/* Retry/Perform IDC-Lock recovery */
5765 			if (qla83xx_idc_lock_recovery(base_vha)
5766 			    == QLA_SUCCESS) {
5767 				msleep(QLA83XX_WAIT_LOGIC_MS);
5768 				goto retry_lock;
5769 			} else
5770 				ql_log(ql_log_warn, base_vha, 0xb075,
5771 				    "IDC Lock recovery FAILED.\n");
5772 		}
5773 
5774 	}
5775 
5776 	return;
5777 }
5778 
5779 static bool
5780 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5781 	struct purex_entry_24xx *purex)
5782 {
5783 	char fwstr[16];
5784 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5785 	struct port_database_24xx *pdb;
5786 
5787 	/* Domain Controller is always logged-out. */
5788 	/* if RDP request is not from Domain Controller: */
5789 	if (sid != 0xfffc01)
5790 		return false;
5791 
5792 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5793 
5794 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5795 	if (!pdb) {
5796 		ql_dbg(ql_dbg_init, vha, 0x0181,
5797 		    "%s: Failed allocate pdb\n", __func__);
5798 	} else if (qla24xx_get_port_database(vha,
5799 				le16_to_cpu(purex->nport_handle), pdb)) {
5800 		ql_dbg(ql_dbg_init, vha, 0x0181,
5801 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
5802 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5803 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
5804 		ql_dbg(ql_dbg_init, vha, 0x0181,
5805 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
5806 	} else {
5807 		/* RDP request is from logged in port */
5808 		kfree(pdb);
5809 		return false;
5810 	}
5811 	kfree(pdb);
5812 
5813 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5814 	fwstr[strcspn(fwstr, " ")] = 0;
5815 	/* if FW version allows RDP response length upto 2048 bytes: */
5816 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5817 		return false;
5818 
5819 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5820 
5821 	/* RDP response length is to be reduced to maximum 256 bytes */
5822 	return true;
5823 }
5824 
5825 /*
5826  * Function Name: qla24xx_process_purex_iocb
5827  *
5828  * Description:
5829  * Prepare a RDP response and send to Fabric switch
5830  *
5831  * PARAMETERS:
5832  * vha:	SCSI qla host
5833  * purex: RDP request received by HBA
5834  */
5835 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
5836 			       struct purex_item *item)
5837 {
5838 	struct qla_hw_data *ha = vha->hw;
5839 	struct purex_entry_24xx *purex =
5840 	    (struct purex_entry_24xx *)&item->iocb;
5841 	dma_addr_t rsp_els_dma;
5842 	dma_addr_t rsp_payload_dma;
5843 	dma_addr_t stat_dma;
5844 	dma_addr_t sfp_dma;
5845 	struct els_entry_24xx *rsp_els = NULL;
5846 	struct rdp_rsp_payload *rsp_payload = NULL;
5847 	struct link_statistics *stat = NULL;
5848 	uint8_t *sfp = NULL;
5849 	uint16_t sfp_flags = 0;
5850 	uint rsp_payload_length = sizeof(*rsp_payload);
5851 	int rval;
5852 
5853 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
5854 	    "%s: Enter\n", __func__);
5855 
5856 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
5857 	    "-------- ELS REQ -------\n");
5858 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
5859 	    purex, sizeof(*purex));
5860 
5861 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
5862 		rsp_payload_length =
5863 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
5864 		ql_dbg(ql_dbg_init, vha, 0x0181,
5865 		    "Reducing RSP payload length to %u bytes...\n",
5866 		    rsp_payload_length);
5867 	}
5868 
5869 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
5870 	    &rsp_els_dma, GFP_KERNEL);
5871 	if (!rsp_els) {
5872 		ql_log(ql_log_warn, vha, 0x0183,
5873 		    "Failed allocate dma buffer ELS RSP.\n");
5874 		goto dealloc;
5875 	}
5876 
5877 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
5878 	    &rsp_payload_dma, GFP_KERNEL);
5879 	if (!rsp_payload) {
5880 		ql_log(ql_log_warn, vha, 0x0184,
5881 		    "Failed allocate dma buffer ELS RSP payload.\n");
5882 		goto dealloc;
5883 	}
5884 
5885 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
5886 	    &sfp_dma, GFP_KERNEL);
5887 
5888 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
5889 	    &stat_dma, GFP_KERNEL);
5890 
5891 	/* Prepare Response IOCB */
5892 	rsp_els->entry_type = ELS_IOCB_TYPE;
5893 	rsp_els->entry_count = 1;
5894 	rsp_els->sys_define = 0;
5895 	rsp_els->entry_status = 0;
5896 	rsp_els->handle = 0;
5897 	rsp_els->nport_handle = purex->nport_handle;
5898 	rsp_els->tx_dsd_count = cpu_to_le16(1);
5899 	rsp_els->vp_index = purex->vp_idx;
5900 	rsp_els->sof_type = EST_SOFI3;
5901 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
5902 	rsp_els->rx_dsd_count = 0;
5903 	rsp_els->opcode = purex->els_frame_payload[0];
5904 
5905 	rsp_els->d_id[0] = purex->s_id[0];
5906 	rsp_els->d_id[1] = purex->s_id[1];
5907 	rsp_els->d_id[2] = purex->s_id[2];
5908 
5909 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
5910 	rsp_els->rx_byte_count = 0;
5911 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
5912 
5913 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
5914 	rsp_els->tx_len = rsp_els->tx_byte_count;
5915 
5916 	rsp_els->rx_address = 0;
5917 	rsp_els->rx_len = 0;
5918 
5919 	/* Prepare Response Payload */
5920 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
5921 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
5922 					   sizeof(rsp_payload->hdr));
5923 
5924 	/* Link service Request Info Descriptor */
5925 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
5926 	rsp_payload->ls_req_info_desc.desc_len =
5927 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
5928 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
5929 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5930 
5931 	/* Link service Request Info Descriptor 2 */
5932 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
5933 	rsp_payload->ls_req_info_desc2.desc_len =
5934 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
5935 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
5936 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5937 
5938 
5939 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
5940 	rsp_payload->sfp_diag_desc.desc_len =
5941 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
5942 
5943 	if (sfp) {
5944 		/* SFP Flags */
5945 		memset(sfp, 0, SFP_RTDI_LEN);
5946 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
5947 		if (!rval) {
5948 			/* SFP Flags bits 3-0: Port Tx Laser Type */
5949 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
5950 				sfp_flags |= BIT_0; /* short wave */
5951 			else if (sfp[0] & BIT_1)
5952 				sfp_flags |= BIT_1; /* long wave 1310nm */
5953 			else if (sfp[1] & BIT_4)
5954 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
5955 		}
5956 
5957 		/* SFP Type */
5958 		memset(sfp, 0, SFP_RTDI_LEN);
5959 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
5960 		if (!rval) {
5961 			sfp_flags |= BIT_4; /* optical */
5962 			if (sfp[0] == 0x3)
5963 				sfp_flags |= BIT_6; /* sfp+ */
5964 		}
5965 
5966 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
5967 
5968 		/* SFP Diagnostics */
5969 		memset(sfp, 0, SFP_RTDI_LEN);
5970 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
5971 		if (!rval) {
5972 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
5973 			rsp_payload->sfp_diag_desc.temperature = trx[0];
5974 			rsp_payload->sfp_diag_desc.vcc = trx[1];
5975 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
5976 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
5977 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
5978 		}
5979 	}
5980 
5981 	/* Port Speed Descriptor */
5982 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
5983 	rsp_payload->port_speed_desc.desc_len =
5984 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
5985 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
5986 	    qla25xx_fdmi_port_speed_capability(ha));
5987 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
5988 	    qla25xx_fdmi_port_speed_currently(ha));
5989 
5990 	/* Link Error Status Descriptor */
5991 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
5992 	rsp_payload->ls_err_desc.desc_len =
5993 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
5994 
5995 	if (stat) {
5996 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
5997 		if (!rval) {
5998 			rsp_payload->ls_err_desc.link_fail_cnt =
5999 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6000 			rsp_payload->ls_err_desc.loss_sync_cnt =
6001 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6002 			rsp_payload->ls_err_desc.loss_sig_cnt =
6003 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6004 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6005 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6006 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6007 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6008 			rsp_payload->ls_err_desc.inval_crc_cnt =
6009 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6010 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6011 		}
6012 	}
6013 
6014 	/* Portname Descriptor */
6015 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6016 	rsp_payload->port_name_diag_desc.desc_len =
6017 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6018 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6019 	    vha->node_name,
6020 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6021 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6022 	    vha->port_name,
6023 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6024 
6025 	/* F-Port Portname Descriptor */
6026 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6027 	rsp_payload->port_name_direct_desc.desc_len =
6028 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6029 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6030 	    vha->fabric_node_name,
6031 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6032 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6033 	    vha->fabric_port_name,
6034 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6035 
6036 	/* Bufer Credit Descriptor */
6037 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6038 	rsp_payload->buffer_credit_desc.desc_len =
6039 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6040 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6041 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6042 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6043 
6044 	if (ha->flags.plogi_template_valid) {
6045 		uint32_t tmp =
6046 		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6047 		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6048 	}
6049 
6050 	if (rsp_payload_length < sizeof(*rsp_payload))
6051 		goto send;
6052 
6053 	/* Optical Element Descriptor, Temperature */
6054 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6055 	rsp_payload->optical_elmt_desc[0].desc_len =
6056 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6057 	/* Optical Element Descriptor, Voltage */
6058 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6059 	rsp_payload->optical_elmt_desc[1].desc_len =
6060 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6061 	/* Optical Element Descriptor, Tx Bias Current */
6062 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6063 	rsp_payload->optical_elmt_desc[2].desc_len =
6064 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6065 	/* Optical Element Descriptor, Tx Power */
6066 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6067 	rsp_payload->optical_elmt_desc[3].desc_len =
6068 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6069 	/* Optical Element Descriptor, Rx Power */
6070 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6071 	rsp_payload->optical_elmt_desc[4].desc_len =
6072 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6073 
6074 	if (sfp) {
6075 		memset(sfp, 0, SFP_RTDI_LEN);
6076 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6077 		if (!rval) {
6078 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6079 
6080 			/* Optical Element Descriptor, Temperature */
6081 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6082 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6083 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6084 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6085 			rsp_payload->optical_elmt_desc[0].element_flags =
6086 			    cpu_to_be32(1 << 28);
6087 
6088 			/* Optical Element Descriptor, Voltage */
6089 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6090 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6091 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6092 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6093 			rsp_payload->optical_elmt_desc[1].element_flags =
6094 			    cpu_to_be32(2 << 28);
6095 
6096 			/* Optical Element Descriptor, Tx Bias Current */
6097 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6098 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6099 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6100 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6101 			rsp_payload->optical_elmt_desc[2].element_flags =
6102 			    cpu_to_be32(3 << 28);
6103 
6104 			/* Optical Element Descriptor, Tx Power */
6105 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6106 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6107 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6108 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6109 			rsp_payload->optical_elmt_desc[3].element_flags =
6110 			    cpu_to_be32(4 << 28);
6111 
6112 			/* Optical Element Descriptor, Rx Power */
6113 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6114 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6115 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6116 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6117 			rsp_payload->optical_elmt_desc[4].element_flags =
6118 			    cpu_to_be32(5 << 28);
6119 		}
6120 
6121 		memset(sfp, 0, SFP_RTDI_LEN);
6122 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6123 		if (!rval) {
6124 			/* Temperature high/low alarm/warning */
6125 			rsp_payload->optical_elmt_desc[0].element_flags |=
6126 			    cpu_to_be32(
6127 				(sfp[0] >> 7 & 1) << 3 |
6128 				(sfp[0] >> 6 & 1) << 2 |
6129 				(sfp[4] >> 7 & 1) << 1 |
6130 				(sfp[4] >> 6 & 1) << 0);
6131 
6132 			/* Voltage high/low alarm/warning */
6133 			rsp_payload->optical_elmt_desc[1].element_flags |=
6134 			    cpu_to_be32(
6135 				(sfp[0] >> 5 & 1) << 3 |
6136 				(sfp[0] >> 4 & 1) << 2 |
6137 				(sfp[4] >> 5 & 1) << 1 |
6138 				(sfp[4] >> 4 & 1) << 0);
6139 
6140 			/* Tx Bias Current high/low alarm/warning */
6141 			rsp_payload->optical_elmt_desc[2].element_flags |=
6142 			    cpu_to_be32(
6143 				(sfp[0] >> 3 & 1) << 3 |
6144 				(sfp[0] >> 2 & 1) << 2 |
6145 				(sfp[4] >> 3 & 1) << 1 |
6146 				(sfp[4] >> 2 & 1) << 0);
6147 
6148 			/* Tx Power high/low alarm/warning */
6149 			rsp_payload->optical_elmt_desc[3].element_flags |=
6150 			    cpu_to_be32(
6151 				(sfp[0] >> 1 & 1) << 3 |
6152 				(sfp[0] >> 0 & 1) << 2 |
6153 				(sfp[4] >> 1 & 1) << 1 |
6154 				(sfp[4] >> 0 & 1) << 0);
6155 
6156 			/* Rx Power high/low alarm/warning */
6157 			rsp_payload->optical_elmt_desc[4].element_flags |=
6158 			    cpu_to_be32(
6159 				(sfp[1] >> 7 & 1) << 3 |
6160 				(sfp[1] >> 6 & 1) << 2 |
6161 				(sfp[5] >> 7 & 1) << 1 |
6162 				(sfp[5] >> 6 & 1) << 0);
6163 		}
6164 	}
6165 
6166 	/* Optical Product Data Descriptor */
6167 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6168 	rsp_payload->optical_prod_desc.desc_len =
6169 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6170 
6171 	if (sfp) {
6172 		memset(sfp, 0, SFP_RTDI_LEN);
6173 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6174 		if (!rval) {
6175 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6176 			    sfp + 0,
6177 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6178 			memcpy(rsp_payload->optical_prod_desc.part_number,
6179 			    sfp + 20,
6180 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6181 			memcpy(rsp_payload->optical_prod_desc.revision,
6182 			    sfp + 36,
6183 			    sizeof(rsp_payload->optical_prod_desc.revision));
6184 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6185 			    sfp + 48,
6186 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6187 		}
6188 
6189 		memset(sfp, 0, SFP_RTDI_LEN);
6190 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6191 		if (!rval) {
6192 			memcpy(rsp_payload->optical_prod_desc.date,
6193 			    sfp + 0,
6194 			    sizeof(rsp_payload->optical_prod_desc.date));
6195 		}
6196 	}
6197 
6198 send:
6199 	ql_dbg(ql_dbg_init, vha, 0x0183,
6200 	    "Sending ELS Response to RDP Request...\n");
6201 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6202 	    "-------- ELS RSP -------\n");
6203 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6204 	    rsp_els, sizeof(*rsp_els));
6205 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6206 	    "-------- ELS RSP PAYLOAD -------\n");
6207 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6208 	    rsp_payload, rsp_payload_length);
6209 
6210 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6211 
6212 	if (rval) {
6213 		ql_log(ql_log_warn, vha, 0x0188,
6214 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6215 	} else if (rsp_els->comp_status) {
6216 		ql_log(ql_log_warn, vha, 0x0189,
6217 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6218 		    __func__, rsp_els->comp_status,
6219 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6220 	} else {
6221 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6222 	}
6223 
6224 dealloc:
6225 	if (stat)
6226 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6227 		    stat, stat_dma);
6228 	if (sfp)
6229 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6230 		    sfp, sfp_dma);
6231 	if (rsp_payload)
6232 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6233 		    rsp_payload, rsp_payload_dma);
6234 	if (rsp_els)
6235 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6236 		    rsp_els, rsp_els_dma);
6237 }
6238 
6239 void
6240 qla24xx_free_purex_item(struct purex_item *item)
6241 {
6242 	if (item == &item->vha->default_item)
6243 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6244 	else
6245 		kfree(item);
6246 }
6247 
6248 void qla24xx_process_purex_list(struct purex_list *list)
6249 {
6250 	struct list_head head = LIST_HEAD_INIT(head);
6251 	struct purex_item *item, *next;
6252 	ulong flags;
6253 
6254 	spin_lock_irqsave(&list->lock, flags);
6255 	list_splice_init(&list->head, &head);
6256 	spin_unlock_irqrestore(&list->lock, flags);
6257 
6258 	list_for_each_entry_safe(item, next, &head, list) {
6259 		list_del(&item->list);
6260 		item->process_item(item->vha, item);
6261 		qla24xx_free_purex_item(item);
6262 	}
6263 }
6264 
6265 /*
6266  * Context: task, can sleep
6267  */
6268 void
6269 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6270 {
6271 #if 0
6272 	uint16_t options = (requester_id << 15) | BIT_7;
6273 #endif
6274 	uint16_t retry;
6275 	uint32_t data;
6276 	struct qla_hw_data *ha = base_vha->hw;
6277 
6278 	might_sleep();
6279 
6280 	/* IDC-unlock implementation using driver-unlock/lock-id
6281 	 * remote registers
6282 	 */
6283 	retry = 0;
6284 retry_unlock:
6285 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6286 	    == QLA_SUCCESS) {
6287 		if (data == ha->portnum) {
6288 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6289 			/* Clearing lock-id by setting 0xff */
6290 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6291 		} else if (retry < 10) {
6292 			/* SV: XXX: IDC unlock retrying needed here? */
6293 
6294 			/* Retry for IDC-unlock */
6295 			msleep(QLA83XX_WAIT_LOGIC_MS);
6296 			retry++;
6297 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6298 			    "Failed to release IDC lock, retrying=%d\n", retry);
6299 			goto retry_unlock;
6300 		}
6301 	} else if (retry < 10) {
6302 		/* Retry for IDC-unlock */
6303 		msleep(QLA83XX_WAIT_LOGIC_MS);
6304 		retry++;
6305 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6306 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6307 		goto retry_unlock;
6308 	}
6309 
6310 	return;
6311 
6312 #if 0
6313 	/* XXX: IDC-unlock implementation using access-control mbx */
6314 	retry = 0;
6315 retry_unlock2:
6316 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6317 		if (retry < 10) {
6318 			/* Retry for IDC-unlock */
6319 			msleep(QLA83XX_WAIT_LOGIC_MS);
6320 			retry++;
6321 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6322 			    "Failed to release IDC lock, retrying=%d\n", retry);
6323 			goto retry_unlock2;
6324 		}
6325 	}
6326 
6327 	return;
6328 #endif
6329 }
6330 
6331 int
6332 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6333 {
6334 	int rval = QLA_SUCCESS;
6335 	struct qla_hw_data *ha = vha->hw;
6336 	uint32_t drv_presence;
6337 
6338 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6339 	if (rval == QLA_SUCCESS) {
6340 		drv_presence |= (1 << ha->portnum);
6341 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6342 		    drv_presence);
6343 	}
6344 
6345 	return rval;
6346 }
6347 
6348 int
6349 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6350 {
6351 	int rval = QLA_SUCCESS;
6352 
6353 	qla83xx_idc_lock(vha, 0);
6354 	rval = __qla83xx_set_drv_presence(vha);
6355 	qla83xx_idc_unlock(vha, 0);
6356 
6357 	return rval;
6358 }
6359 
6360 int
6361 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6362 {
6363 	int rval = QLA_SUCCESS;
6364 	struct qla_hw_data *ha = vha->hw;
6365 	uint32_t drv_presence;
6366 
6367 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6368 	if (rval == QLA_SUCCESS) {
6369 		drv_presence &= ~(1 << ha->portnum);
6370 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6371 		    drv_presence);
6372 	}
6373 
6374 	return rval;
6375 }
6376 
6377 int
6378 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6379 {
6380 	int rval = QLA_SUCCESS;
6381 
6382 	qla83xx_idc_lock(vha, 0);
6383 	rval = __qla83xx_clear_drv_presence(vha);
6384 	qla83xx_idc_unlock(vha, 0);
6385 
6386 	return rval;
6387 }
6388 
6389 static void
6390 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6391 {
6392 	struct qla_hw_data *ha = vha->hw;
6393 	uint32_t drv_ack, drv_presence;
6394 	unsigned long ack_timeout;
6395 
6396 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6397 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6398 	while (1) {
6399 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6400 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6401 		if ((drv_ack & drv_presence) == drv_presence)
6402 			break;
6403 
6404 		if (time_after_eq(jiffies, ack_timeout)) {
6405 			ql_log(ql_log_warn, vha, 0xb067,
6406 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6407 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6408 			/*
6409 			 * The function(s) which did not ack in time are forced
6410 			 * to withdraw any further participation in the IDC
6411 			 * reset.
6412 			 */
6413 			if (drv_ack != drv_presence)
6414 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6415 				    drv_ack);
6416 			break;
6417 		}
6418 
6419 		qla83xx_idc_unlock(vha, 0);
6420 		msleep(1000);
6421 		qla83xx_idc_lock(vha, 0);
6422 	}
6423 
6424 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6425 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6426 }
6427 
6428 static int
6429 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6430 {
6431 	int rval = QLA_SUCCESS;
6432 	uint32_t idc_control;
6433 
6434 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6435 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6436 
6437 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6438 	__qla83xx_get_idc_control(vha, &idc_control);
6439 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6440 	__qla83xx_set_idc_control(vha, 0);
6441 
6442 	qla83xx_idc_unlock(vha, 0);
6443 	rval = qla83xx_restart_nic_firmware(vha);
6444 	qla83xx_idc_lock(vha, 0);
6445 
6446 	if (rval != QLA_SUCCESS) {
6447 		ql_log(ql_log_fatal, vha, 0xb06a,
6448 		    "Failed to restart NIC f/w.\n");
6449 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6450 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6451 	} else {
6452 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6453 		    "Success in restarting nic f/w.\n");
6454 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6455 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6456 	}
6457 
6458 	return rval;
6459 }
6460 
6461 /* Assumes idc_lock always held on entry */
6462 int
6463 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6464 {
6465 	struct qla_hw_data *ha = base_vha->hw;
6466 	int rval = QLA_SUCCESS;
6467 	unsigned long dev_init_timeout;
6468 	uint32_t dev_state;
6469 
6470 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6471 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6472 
6473 	while (1) {
6474 
6475 		if (time_after_eq(jiffies, dev_init_timeout)) {
6476 			ql_log(ql_log_warn, base_vha, 0xb06e,
6477 			    "Initialization TIMEOUT!\n");
6478 			/* Init timeout. Disable further NIC Core
6479 			 * communication.
6480 			 */
6481 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6482 				QLA8XXX_DEV_FAILED);
6483 			ql_log(ql_log_info, base_vha, 0xb06f,
6484 			    "HW State: FAILED.\n");
6485 		}
6486 
6487 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6488 		switch (dev_state) {
6489 		case QLA8XXX_DEV_READY:
6490 			if (ha->flags.nic_core_reset_owner)
6491 				qla83xx_idc_audit(base_vha,
6492 				    IDC_AUDIT_COMPLETION);
6493 			ha->flags.nic_core_reset_owner = 0;
6494 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6495 			    "Reset_owner reset by 0x%x.\n",
6496 			    ha->portnum);
6497 			goto exit;
6498 		case QLA8XXX_DEV_COLD:
6499 			if (ha->flags.nic_core_reset_owner)
6500 				rval = qla83xx_device_bootstrap(base_vha);
6501 			else {
6502 			/* Wait for AEN to change device-state */
6503 				qla83xx_idc_unlock(base_vha, 0);
6504 				msleep(1000);
6505 				qla83xx_idc_lock(base_vha, 0);
6506 			}
6507 			break;
6508 		case QLA8XXX_DEV_INITIALIZING:
6509 			/* Wait for AEN to change device-state */
6510 			qla83xx_idc_unlock(base_vha, 0);
6511 			msleep(1000);
6512 			qla83xx_idc_lock(base_vha, 0);
6513 			break;
6514 		case QLA8XXX_DEV_NEED_RESET:
6515 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6516 				qla83xx_need_reset_handler(base_vha);
6517 			else {
6518 				/* Wait for AEN to change device-state */
6519 				qla83xx_idc_unlock(base_vha, 0);
6520 				msleep(1000);
6521 				qla83xx_idc_lock(base_vha, 0);
6522 			}
6523 			/* reset timeout value after need reset handler */
6524 			dev_init_timeout = jiffies +
6525 			    (ha->fcoe_dev_init_timeout * HZ);
6526 			break;
6527 		case QLA8XXX_DEV_NEED_QUIESCENT:
6528 			/* XXX: DEBUG for now */
6529 			qla83xx_idc_unlock(base_vha, 0);
6530 			msleep(1000);
6531 			qla83xx_idc_lock(base_vha, 0);
6532 			break;
6533 		case QLA8XXX_DEV_QUIESCENT:
6534 			/* XXX: DEBUG for now */
6535 			if (ha->flags.quiesce_owner)
6536 				goto exit;
6537 
6538 			qla83xx_idc_unlock(base_vha, 0);
6539 			msleep(1000);
6540 			qla83xx_idc_lock(base_vha, 0);
6541 			dev_init_timeout = jiffies +
6542 			    (ha->fcoe_dev_init_timeout * HZ);
6543 			break;
6544 		case QLA8XXX_DEV_FAILED:
6545 			if (ha->flags.nic_core_reset_owner)
6546 				qla83xx_idc_audit(base_vha,
6547 				    IDC_AUDIT_COMPLETION);
6548 			ha->flags.nic_core_reset_owner = 0;
6549 			__qla83xx_clear_drv_presence(base_vha);
6550 			qla83xx_idc_unlock(base_vha, 0);
6551 			qla8xxx_dev_failed_handler(base_vha);
6552 			rval = QLA_FUNCTION_FAILED;
6553 			qla83xx_idc_lock(base_vha, 0);
6554 			goto exit;
6555 		case QLA8XXX_BAD_VALUE:
6556 			qla83xx_idc_unlock(base_vha, 0);
6557 			msleep(1000);
6558 			qla83xx_idc_lock(base_vha, 0);
6559 			break;
6560 		default:
6561 			ql_log(ql_log_warn, base_vha, 0xb071,
6562 			    "Unknown Device State: %x.\n", dev_state);
6563 			qla83xx_idc_unlock(base_vha, 0);
6564 			qla8xxx_dev_failed_handler(base_vha);
6565 			rval = QLA_FUNCTION_FAILED;
6566 			qla83xx_idc_lock(base_vha, 0);
6567 			goto exit;
6568 		}
6569 	}
6570 
6571 exit:
6572 	return rval;
6573 }
6574 
6575 void
6576 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6577 {
6578 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6579 	    board_disable);
6580 	struct pci_dev *pdev = ha->pdev;
6581 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6582 
6583 	ql_log(ql_log_warn, base_vha, 0x015b,
6584 	    "Disabling adapter.\n");
6585 
6586 	if (!atomic_read(&pdev->enable_cnt)) {
6587 		ql_log(ql_log_info, base_vha, 0xfffc,
6588 		    "PCI device disabled, no action req for PCI error=%lx\n",
6589 		    base_vha->pci_flags);
6590 		return;
6591 	}
6592 
6593 	/*
6594 	 * if UNLOADING flag is already set, then continue unload,
6595 	 * where it was set first.
6596 	 */
6597 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6598 		return;
6599 
6600 	qla2x00_wait_for_sess_deletion(base_vha);
6601 
6602 	qla2x00_delete_all_vps(ha, base_vha);
6603 
6604 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6605 
6606 	qla2x00_dfs_remove(base_vha);
6607 
6608 	qla84xx_put_chip(base_vha);
6609 
6610 	if (base_vha->timer_active)
6611 		qla2x00_stop_timer(base_vha);
6612 
6613 	base_vha->flags.online = 0;
6614 
6615 	qla2x00_destroy_deferred_work(ha);
6616 
6617 	/*
6618 	 * Do not try to stop beacon blink as it will issue a mailbox
6619 	 * command.
6620 	 */
6621 	qla2x00_free_sysfs_attr(base_vha, false);
6622 
6623 	fc_remove_host(base_vha->host);
6624 
6625 	scsi_remove_host(base_vha->host);
6626 
6627 	base_vha->flags.init_done = 0;
6628 	qla25xx_delete_queues(base_vha);
6629 	qla2x00_free_fcports(base_vha);
6630 	qla2x00_free_irqs(base_vha);
6631 	qla2x00_mem_free(ha);
6632 	qla82xx_md_free(base_vha);
6633 	qla2x00_free_queues(ha);
6634 
6635 	qla2x00_unmap_iobases(ha);
6636 
6637 	pci_release_selected_regions(ha->pdev, ha->bars);
6638 	pci_disable_pcie_error_reporting(pdev);
6639 	pci_disable_device(pdev);
6640 
6641 	/*
6642 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6643 	 */
6644 }
6645 
6646 /**************************************************************************
6647 * qla2x00_do_dpc
6648 *   This kernel thread is a task that is schedule by the interrupt handler
6649 *   to perform the background processing for interrupts.
6650 *
6651 * Notes:
6652 * This task always run in the context of a kernel thread.  It
6653 * is kick-off by the driver's detect code and starts up
6654 * up one per adapter. It immediately goes to sleep and waits for
6655 * some fibre event.  When either the interrupt handler or
6656 * the timer routine detects a event it will one of the task
6657 * bits then wake us up.
6658 **************************************************************************/
6659 static int
6660 qla2x00_do_dpc(void *data)
6661 {
6662 	scsi_qla_host_t *base_vha;
6663 	struct qla_hw_data *ha;
6664 	uint32_t online;
6665 	struct qla_qpair *qpair;
6666 
6667 	ha = (struct qla_hw_data *)data;
6668 	base_vha = pci_get_drvdata(ha->pdev);
6669 
6670 	set_user_nice(current, MIN_NICE);
6671 
6672 	set_current_state(TASK_INTERRUPTIBLE);
6673 	while (!kthread_should_stop()) {
6674 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6675 		    "DPC handler sleeping.\n");
6676 
6677 		schedule();
6678 
6679 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6680 			goto end_loop;
6681 
6682 		if (ha->flags.eeh_busy) {
6683 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6684 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6685 			goto end_loop;
6686 		}
6687 
6688 		ha->dpc_active = 1;
6689 
6690 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6691 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6692 		    base_vha->dpc_flags);
6693 
6694 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6695 			break;
6696 
6697 		if (IS_P3P_TYPE(ha)) {
6698 			if (IS_QLA8044(ha)) {
6699 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6700 					&base_vha->dpc_flags)) {
6701 					qla8044_idc_lock(ha);
6702 					qla8044_wr_direct(base_vha,
6703 						QLA8044_CRB_DEV_STATE_INDEX,
6704 						QLA8XXX_DEV_FAILED);
6705 					qla8044_idc_unlock(ha);
6706 					ql_log(ql_log_info, base_vha, 0x4004,
6707 						"HW State: FAILED.\n");
6708 					qla8044_device_state_handler(base_vha);
6709 					continue;
6710 				}
6711 
6712 			} else {
6713 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6714 					&base_vha->dpc_flags)) {
6715 					qla82xx_idc_lock(ha);
6716 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6717 						QLA8XXX_DEV_FAILED);
6718 					qla82xx_idc_unlock(ha);
6719 					ql_log(ql_log_info, base_vha, 0x0151,
6720 						"HW State: FAILED.\n");
6721 					qla82xx_device_state_handler(base_vha);
6722 					continue;
6723 				}
6724 			}
6725 
6726 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6727 				&base_vha->dpc_flags)) {
6728 
6729 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6730 				    "FCoE context reset scheduled.\n");
6731 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6732 					&base_vha->dpc_flags))) {
6733 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6734 						/* FCoE-ctx reset failed.
6735 						 * Escalate to chip-reset
6736 						 */
6737 						set_bit(ISP_ABORT_NEEDED,
6738 							&base_vha->dpc_flags);
6739 					}
6740 					clear_bit(ABORT_ISP_ACTIVE,
6741 						&base_vha->dpc_flags);
6742 				}
6743 
6744 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6745 				    "FCoE context reset end.\n");
6746 			}
6747 		} else if (IS_QLAFX00(ha)) {
6748 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6749 				&base_vha->dpc_flags)) {
6750 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6751 				    "Firmware Reset Recovery\n");
6752 				if (qlafx00_reset_initialize(base_vha)) {
6753 					/* Failed. Abort isp later. */
6754 					if (!test_bit(UNLOADING,
6755 					    &base_vha->dpc_flags)) {
6756 						set_bit(ISP_UNRECOVERABLE,
6757 						    &base_vha->dpc_flags);
6758 						ql_dbg(ql_dbg_dpc, base_vha,
6759 						    0x4021,
6760 						    "Reset Recovery Failed\n");
6761 					}
6762 				}
6763 			}
6764 
6765 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6766 				&base_vha->dpc_flags)) {
6767 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6768 				    "ISPFx00 Target Scan scheduled\n");
6769 				if (qlafx00_rescan_isp(base_vha)) {
6770 					if (!test_bit(UNLOADING,
6771 					    &base_vha->dpc_flags))
6772 						set_bit(ISP_UNRECOVERABLE,
6773 						    &base_vha->dpc_flags);
6774 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6775 					    "ISPFx00 Target Scan Failed\n");
6776 				}
6777 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6778 				    "ISPFx00 Target Scan End\n");
6779 			}
6780 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6781 				&base_vha->dpc_flags)) {
6782 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6783 				    "ISPFx00 Host Info resend scheduled\n");
6784 				qlafx00_fx_disc(base_vha,
6785 				    &base_vha->hw->mr.fcport,
6786 				    FXDISC_REG_HOST_INFO);
6787 			}
6788 		}
6789 
6790 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6791 		    &base_vha->dpc_flags)) {
6792 			/* Semantic:
6793 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6794 			 *             to minimize disruptions that will occur
6795 			 *             when a forced chip-reset occurs.
6796 			 *  - Force -- ISP-ABORT scheduled.
6797 			 */
6798 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6799 		}
6800 
6801 		if (test_and_clear_bit
6802 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6803 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6804 			bool do_reset = true;
6805 
6806 			switch (base_vha->qlini_mode) {
6807 			case QLA2XXX_INI_MODE_ENABLED:
6808 				break;
6809 			case QLA2XXX_INI_MODE_DISABLED:
6810 				if (!qla_tgt_mode_enabled(base_vha) &&
6811 				    !ha->flags.fw_started)
6812 					do_reset = false;
6813 				break;
6814 			case QLA2XXX_INI_MODE_DUAL:
6815 				if (!qla_dual_mode_enabled(base_vha) &&
6816 				    !ha->flags.fw_started)
6817 					do_reset = false;
6818 				break;
6819 			default:
6820 				break;
6821 			}
6822 
6823 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6824 			    &base_vha->dpc_flags))) {
6825 				base_vha->flags.online = 1;
6826 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6827 				    "ISP abort scheduled.\n");
6828 				if (ha->isp_ops->abort_isp(base_vha)) {
6829 					/* failed. retry later */
6830 					set_bit(ISP_ABORT_NEEDED,
6831 					    &base_vha->dpc_flags);
6832 				}
6833 				clear_bit(ABORT_ISP_ACTIVE,
6834 						&base_vha->dpc_flags);
6835 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6836 				    "ISP abort end.\n");
6837 			}
6838 		}
6839 
6840 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
6841 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
6842 				qla24xx_process_purex_list
6843 					(&base_vha->purex_list);
6844 				clear_bit(PROCESS_PUREX_IOCB,
6845 				    &base_vha->dpc_flags);
6846 			}
6847 		}
6848 
6849 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6850 		    &base_vha->dpc_flags)) {
6851 			qla2x00_update_fcports(base_vha);
6852 		}
6853 
6854 		if (IS_QLAFX00(ha))
6855 			goto loop_resync_check;
6856 
6857 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6858 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6859 			    "Quiescence mode scheduled.\n");
6860 			if (IS_P3P_TYPE(ha)) {
6861 				if (IS_QLA82XX(ha))
6862 					qla82xx_device_state_handler(base_vha);
6863 				if (IS_QLA8044(ha))
6864 					qla8044_device_state_handler(base_vha);
6865 				clear_bit(ISP_QUIESCE_NEEDED,
6866 				    &base_vha->dpc_flags);
6867 				if (!ha->flags.quiesce_owner) {
6868 					qla2x00_perform_loop_resync(base_vha);
6869 					if (IS_QLA82XX(ha)) {
6870 						qla82xx_idc_lock(ha);
6871 						qla82xx_clear_qsnt_ready(
6872 						    base_vha);
6873 						qla82xx_idc_unlock(ha);
6874 					} else if (IS_QLA8044(ha)) {
6875 						qla8044_idc_lock(ha);
6876 						qla8044_clear_qsnt_ready(
6877 						    base_vha);
6878 						qla8044_idc_unlock(ha);
6879 					}
6880 				}
6881 			} else {
6882 				clear_bit(ISP_QUIESCE_NEEDED,
6883 				    &base_vha->dpc_flags);
6884 				qla2x00_quiesce_io(base_vha);
6885 			}
6886 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6887 			    "Quiescence mode end.\n");
6888 		}
6889 
6890 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6891 				&base_vha->dpc_flags) &&
6892 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6893 
6894 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6895 			    "Reset marker scheduled.\n");
6896 			qla2x00_rst_aen(base_vha);
6897 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6898 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6899 			    "Reset marker end.\n");
6900 		}
6901 
6902 		/* Retry each device up to login retry count */
6903 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6904 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6905 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6906 
6907 			if (!base_vha->relogin_jif ||
6908 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6909 				base_vha->relogin_jif = jiffies + HZ;
6910 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6911 
6912 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6913 				    "Relogin scheduled.\n");
6914 				qla24xx_post_relogin_work(base_vha);
6915 			}
6916 		}
6917 loop_resync_check:
6918 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6919 		    &base_vha->dpc_flags)) {
6920 
6921 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6922 			    "Loop resync scheduled.\n");
6923 
6924 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6925 			    &base_vha->dpc_flags))) {
6926 
6927 				qla2x00_loop_resync(base_vha);
6928 
6929 				clear_bit(LOOP_RESYNC_ACTIVE,
6930 						&base_vha->dpc_flags);
6931 			}
6932 
6933 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6934 			    "Loop resync end.\n");
6935 		}
6936 
6937 		if (IS_QLAFX00(ha))
6938 			goto intr_on_check;
6939 
6940 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6941 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6942 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6943 			qla2xxx_flash_npiv_conf(base_vha);
6944 		}
6945 
6946 intr_on_check:
6947 		if (!ha->interrupts_on)
6948 			ha->isp_ops->enable_intrs(ha);
6949 
6950 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6951 					&base_vha->dpc_flags)) {
6952 			if (ha->beacon_blink_led == 1)
6953 				ha->isp_ops->beacon_blink(base_vha);
6954 		}
6955 
6956 		/* qpair online check */
6957 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6958 		    &base_vha->dpc_flags)) {
6959 			if (ha->flags.eeh_busy ||
6960 			    ha->flags.pci_channel_io_perm_failure)
6961 				online = 0;
6962 			else
6963 				online = 1;
6964 
6965 			mutex_lock(&ha->mq_lock);
6966 			list_for_each_entry(qpair, &base_vha->qp_list,
6967 			    qp_list_elem)
6968 			qpair->online = online;
6969 			mutex_unlock(&ha->mq_lock);
6970 		}
6971 
6972 		if (test_and_clear_bit(SET_NVME_ZIO_THRESHOLD_NEEDED,
6973 		    &base_vha->dpc_flags)) {
6974 			ql_log(ql_log_info, base_vha, 0xffffff,
6975 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
6976 						ha->nvme_last_rptd_aen);
6977 			if (qla27xx_set_zio_threshold(base_vha,
6978 			    ha->nvme_last_rptd_aen)) {
6979 				ql_log(ql_log_info, base_vha, 0xffffff,
6980 				    "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
6981 				    ha->nvme_last_rptd_aen);
6982 			}
6983 		}
6984 
6985 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
6986 		    &base_vha->dpc_flags)) {
6987 			ql_log(ql_log_info, base_vha, 0xffffff,
6988 			    "SET ZIO Activity exchange threshold to %d.\n",
6989 			    ha->last_zio_threshold);
6990 			qla27xx_set_zio_threshold(base_vha,
6991 			    ha->last_zio_threshold);
6992 		}
6993 
6994 		if (!IS_QLAFX00(ha))
6995 			qla2x00_do_dpc_all_vps(base_vha);
6996 
6997 		if (test_and_clear_bit(N2N_LINK_RESET,
6998 			&base_vha->dpc_flags)) {
6999 			qla2x00_lip_reset(base_vha);
7000 		}
7001 
7002 		ha->dpc_active = 0;
7003 end_loop:
7004 		set_current_state(TASK_INTERRUPTIBLE);
7005 	} /* End of while(1) */
7006 	__set_current_state(TASK_RUNNING);
7007 
7008 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7009 	    "DPC handler exiting.\n");
7010 
7011 	/*
7012 	 * Make sure that nobody tries to wake us up again.
7013 	 */
7014 	ha->dpc_active = 0;
7015 
7016 	/* Cleanup any residual CTX SRBs. */
7017 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7018 
7019 	return 0;
7020 }
7021 
7022 void
7023 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7024 {
7025 	struct qla_hw_data *ha = vha->hw;
7026 	struct task_struct *t = ha->dpc_thread;
7027 
7028 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7029 		wake_up_process(t);
7030 }
7031 
7032 /*
7033 *  qla2x00_rst_aen
7034 *      Processes asynchronous reset.
7035 *
7036 * Input:
7037 *      ha  = adapter block pointer.
7038 */
7039 static void
7040 qla2x00_rst_aen(scsi_qla_host_t *vha)
7041 {
7042 	if (vha->flags.online && !vha->flags.reset_active &&
7043 	    !atomic_read(&vha->loop_down_timer) &&
7044 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7045 		do {
7046 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7047 
7048 			/*
7049 			 * Issue marker command only when we are going to start
7050 			 * the I/O.
7051 			 */
7052 			vha->marker_needed = 1;
7053 		} while (!atomic_read(&vha->loop_down_timer) &&
7054 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7055 	}
7056 }
7057 
7058 /**************************************************************************
7059 *   qla2x00_timer
7060 *
7061 * Description:
7062 *   One second timer
7063 *
7064 * Context: Interrupt
7065 ***************************************************************************/
7066 void
7067 qla2x00_timer(struct timer_list *t)
7068 {
7069 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7070 	unsigned long	cpu_flags = 0;
7071 	int		start_dpc = 0;
7072 	int		index;
7073 	srb_t		*sp;
7074 	uint16_t        w;
7075 	struct qla_hw_data *ha = vha->hw;
7076 	struct req_que *req;
7077 	unsigned long flags;
7078 	fc_port_t *fcport = NULL;
7079 
7080 	if (ha->flags.eeh_busy) {
7081 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7082 		    "EEH = %d, restarting timer.\n",
7083 		    ha->flags.eeh_busy);
7084 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7085 		return;
7086 	}
7087 
7088 	/*
7089 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7090 	 * the read returns -1 then disable the board.
7091 	 */
7092 	if (!pci_channel_offline(ha->pdev)) {
7093 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7094 		qla2x00_check_reg16_for_disconnect(vha, w);
7095 	}
7096 
7097 	/* Make sure qla82xx_watchdog is run only for physical port */
7098 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7099 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7100 			start_dpc++;
7101 		if (IS_QLA82XX(ha))
7102 			qla82xx_watchdog(vha);
7103 		else if (IS_QLA8044(ha))
7104 			qla8044_watchdog(vha);
7105 	}
7106 
7107 	if (!vha->vp_idx && IS_QLAFX00(ha))
7108 		qlafx00_timer_routine(vha);
7109 
7110 	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7111 		vha->link_down_time++;
7112 
7113 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7114 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7115 		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7116 			fcport->tgt_link_down_time++;
7117 	}
7118 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7119 
7120 	/* Loop down handler. */
7121 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7122 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7123 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7124 		&& vha->flags.online) {
7125 
7126 		if (atomic_read(&vha->loop_down_timer) ==
7127 		    vha->loop_down_abort_time) {
7128 
7129 			ql_log(ql_log_info, vha, 0x6008,
7130 			    "Loop down - aborting the queues before time expires.\n");
7131 
7132 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7133 				atomic_set(&vha->loop_state, LOOP_DEAD);
7134 
7135 			/*
7136 			 * Schedule an ISP abort to return any FCP2-device
7137 			 * commands.
7138 			 */
7139 			/* NPIV - scan physical port only */
7140 			if (!vha->vp_idx) {
7141 				spin_lock_irqsave(&ha->hardware_lock,
7142 				    cpu_flags);
7143 				req = ha->req_q_map[0];
7144 				for (index = 1;
7145 				    index < req->num_outstanding_cmds;
7146 				    index++) {
7147 					fc_port_t *sfcp;
7148 
7149 					sp = req->outstanding_cmds[index];
7150 					if (!sp)
7151 						continue;
7152 					if (sp->cmd_type != TYPE_SRB)
7153 						continue;
7154 					if (sp->type != SRB_SCSI_CMD)
7155 						continue;
7156 					sfcp = sp->fcport;
7157 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7158 						continue;
7159 
7160 					if (IS_QLA82XX(ha))
7161 						set_bit(FCOE_CTX_RESET_NEEDED,
7162 							&vha->dpc_flags);
7163 					else
7164 						set_bit(ISP_ABORT_NEEDED,
7165 							&vha->dpc_flags);
7166 					break;
7167 				}
7168 				spin_unlock_irqrestore(&ha->hardware_lock,
7169 								cpu_flags);
7170 			}
7171 			start_dpc++;
7172 		}
7173 
7174 		/* if the loop has been down for 4 minutes, reinit adapter */
7175 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7176 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
7177 				ql_log(ql_log_warn, vha, 0x6009,
7178 				    "Loop down - aborting ISP.\n");
7179 
7180 				if (IS_QLA82XX(ha))
7181 					set_bit(FCOE_CTX_RESET_NEEDED,
7182 						&vha->dpc_flags);
7183 				else
7184 					set_bit(ISP_ABORT_NEEDED,
7185 						&vha->dpc_flags);
7186 			}
7187 		}
7188 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7189 		    "Loop down - seconds remaining %d.\n",
7190 		    atomic_read(&vha->loop_down_timer));
7191 	}
7192 	/* Check if beacon LED needs to be blinked for physical host only */
7193 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7194 		/* There is no beacon_blink function for ISP82xx */
7195 		if (!IS_P3P_TYPE(ha)) {
7196 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7197 			start_dpc++;
7198 		}
7199 	}
7200 
7201 	/* Process any deferred work. */
7202 	if (!list_empty(&vha->work_list)) {
7203 		unsigned long flags;
7204 		bool q = false;
7205 
7206 		spin_lock_irqsave(&vha->work_lock, flags);
7207 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7208 			q = true;
7209 		spin_unlock_irqrestore(&vha->work_lock, flags);
7210 		if (q)
7211 			queue_work(vha->hw->wq, &vha->iocb_work);
7212 	}
7213 
7214 	/*
7215 	 * FC-NVME
7216 	 * see if the active AEN count has changed from what was last reported.
7217 	 */
7218 	index = atomic_read(&ha->nvme_active_aen_cnt);
7219 	if (!vha->vp_idx &&
7220 	    (index != ha->nvme_last_rptd_aen) &&
7221 	    (index >= DEFAULT_ZIO_THRESHOLD) &&
7222 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7223 	    !ha->flags.host_shutting_down) {
7224 		ql_log(ql_log_info, vha, 0x3002,
7225 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7226 		    ha->nvme_last_rptd_aen);
7227 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7228 		set_bit(SET_NVME_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7229 		start_dpc++;
7230 	}
7231 
7232 	if (!vha->vp_idx &&
7233 	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7234 	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7235 		ql_log(ql_log_info, vha, 0x3002,
7236 		    "Sched: Set ZIO exchange threshold to %d.\n",
7237 		    ha->last_zio_threshold);
7238 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7239 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7240 		start_dpc++;
7241 	}
7242 
7243 	/* Schedule the DPC routine if needed */
7244 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7245 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7246 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7247 	    start_dpc ||
7248 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7249 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7250 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7251 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7252 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7253 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7254 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7255 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7256 		    "isp_abort_needed=%d loop_resync_needed=%d "
7257 		    "fcport_update_needed=%d start_dpc=%d "
7258 		    "reset_marker_needed=%d",
7259 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7260 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7261 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7262 		    start_dpc,
7263 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7264 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7265 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7266 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7267 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7268 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7269 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7270 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7271 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7272 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7273 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7274 		qla2xxx_wake_dpc(vha);
7275 	}
7276 
7277 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7278 }
7279 
7280 /* Firmware interface routines. */
7281 
7282 #define FW_ISP21XX	0
7283 #define FW_ISP22XX	1
7284 #define FW_ISP2300	2
7285 #define FW_ISP2322	3
7286 #define FW_ISP24XX	4
7287 #define FW_ISP25XX	5
7288 #define FW_ISP81XX	6
7289 #define FW_ISP82XX	7
7290 #define FW_ISP2031	8
7291 #define FW_ISP8031	9
7292 #define FW_ISP27XX	10
7293 #define FW_ISP28XX	11
7294 
7295 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7296 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7297 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7298 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7299 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7300 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7301 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7302 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7303 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7304 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7305 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7306 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7307 
7308 
7309 static DEFINE_MUTEX(qla_fw_lock);
7310 
7311 static struct fw_blob qla_fw_blobs[] = {
7312 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7313 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7314 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7315 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7316 	{ .name = FW_FILE_ISP24XX, },
7317 	{ .name = FW_FILE_ISP25XX, },
7318 	{ .name = FW_FILE_ISP81XX, },
7319 	{ .name = FW_FILE_ISP82XX, },
7320 	{ .name = FW_FILE_ISP2031, },
7321 	{ .name = FW_FILE_ISP8031, },
7322 	{ .name = FW_FILE_ISP27XX, },
7323 	{ .name = FW_FILE_ISP28XX, },
7324 	{ .name = NULL, },
7325 };
7326 
7327 struct fw_blob *
7328 qla2x00_request_firmware(scsi_qla_host_t *vha)
7329 {
7330 	struct qla_hw_data *ha = vha->hw;
7331 	struct fw_blob *blob;
7332 
7333 	if (IS_QLA2100(ha)) {
7334 		blob = &qla_fw_blobs[FW_ISP21XX];
7335 	} else if (IS_QLA2200(ha)) {
7336 		blob = &qla_fw_blobs[FW_ISP22XX];
7337 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7338 		blob = &qla_fw_blobs[FW_ISP2300];
7339 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7340 		blob = &qla_fw_blobs[FW_ISP2322];
7341 	} else if (IS_QLA24XX_TYPE(ha)) {
7342 		blob = &qla_fw_blobs[FW_ISP24XX];
7343 	} else if (IS_QLA25XX(ha)) {
7344 		blob = &qla_fw_blobs[FW_ISP25XX];
7345 	} else if (IS_QLA81XX(ha)) {
7346 		blob = &qla_fw_blobs[FW_ISP81XX];
7347 	} else if (IS_QLA82XX(ha)) {
7348 		blob = &qla_fw_blobs[FW_ISP82XX];
7349 	} else if (IS_QLA2031(ha)) {
7350 		blob = &qla_fw_blobs[FW_ISP2031];
7351 	} else if (IS_QLA8031(ha)) {
7352 		blob = &qla_fw_blobs[FW_ISP8031];
7353 	} else if (IS_QLA27XX(ha)) {
7354 		blob = &qla_fw_blobs[FW_ISP27XX];
7355 	} else if (IS_QLA28XX(ha)) {
7356 		blob = &qla_fw_blobs[FW_ISP28XX];
7357 	} else {
7358 		return NULL;
7359 	}
7360 
7361 	if (!blob->name)
7362 		return NULL;
7363 
7364 	mutex_lock(&qla_fw_lock);
7365 	if (blob->fw)
7366 		goto out;
7367 
7368 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7369 		ql_log(ql_log_warn, vha, 0x0063,
7370 		    "Failed to load firmware image (%s).\n", blob->name);
7371 		blob->fw = NULL;
7372 		blob = NULL;
7373 	}
7374 
7375 out:
7376 	mutex_unlock(&qla_fw_lock);
7377 	return blob;
7378 }
7379 
7380 static void
7381 qla2x00_release_firmware(void)
7382 {
7383 	struct fw_blob *blob;
7384 
7385 	mutex_lock(&qla_fw_lock);
7386 	for (blob = qla_fw_blobs; blob->name; blob++)
7387 		release_firmware(blob->fw);
7388 	mutex_unlock(&qla_fw_lock);
7389 }
7390 
7391 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7392 {
7393 	struct qla_hw_data *ha = vha->hw;
7394 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7395 	struct qla_qpair *qpair = NULL;
7396 	struct scsi_qla_host *vp;
7397 	fc_port_t *fcport;
7398 	int i;
7399 	unsigned long flags;
7400 
7401 	ha->chip_reset++;
7402 
7403 	ha->base_qpair->chip_reset = ha->chip_reset;
7404 	for (i = 0; i < ha->max_qpairs; i++) {
7405 		if (ha->queue_pair_map[i])
7406 			ha->queue_pair_map[i]->chip_reset =
7407 			    ha->base_qpair->chip_reset;
7408 	}
7409 
7410 	/* purge MBox commands */
7411 	if (atomic_read(&ha->num_pend_mbx_stage3)) {
7412 		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7413 		complete(&ha->mbx_intr_comp);
7414 	}
7415 
7416 	i = 0;
7417 
7418 	while (atomic_read(&ha->num_pend_mbx_stage3) ||
7419 	    atomic_read(&ha->num_pend_mbx_stage2) ||
7420 	    atomic_read(&ha->num_pend_mbx_stage1)) {
7421 		msleep(20);
7422 		i++;
7423 		if (i > 50)
7424 			break;
7425 	}
7426 
7427 	ha->flags.purge_mbox = 0;
7428 
7429 	mutex_lock(&ha->mq_lock);
7430 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7431 		qpair->online = 0;
7432 	mutex_unlock(&ha->mq_lock);
7433 
7434 	qla2x00_mark_all_devices_lost(vha);
7435 
7436 	spin_lock_irqsave(&ha->vport_slock, flags);
7437 	list_for_each_entry(vp, &ha->vp_list, list) {
7438 		atomic_inc(&vp->vref_count);
7439 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7440 		qla2x00_mark_all_devices_lost(vp);
7441 		spin_lock_irqsave(&ha->vport_slock, flags);
7442 		atomic_dec(&vp->vref_count);
7443 	}
7444 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7445 
7446 	/* Clear all async request states across all VPs. */
7447 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7448 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7449 
7450 	spin_lock_irqsave(&ha->vport_slock, flags);
7451 	list_for_each_entry(vp, &ha->vp_list, list) {
7452 		atomic_inc(&vp->vref_count);
7453 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7454 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7455 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7456 		spin_lock_irqsave(&ha->vport_slock, flags);
7457 		atomic_dec(&vp->vref_count);
7458 	}
7459 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7460 }
7461 
7462 
7463 static pci_ers_result_t
7464 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7465 {
7466 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7467 	struct qla_hw_data *ha = vha->hw;
7468 
7469 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7470 	    "PCI error detected, state %x.\n", state);
7471 
7472 	if (!atomic_read(&pdev->enable_cnt)) {
7473 		ql_log(ql_log_info, vha, 0xffff,
7474 			"PCI device is disabled,state %x\n", state);
7475 		return PCI_ERS_RESULT_NEED_RESET;
7476 	}
7477 
7478 	switch (state) {
7479 	case pci_channel_io_normal:
7480 		ha->flags.eeh_busy = 0;
7481 		if (ql2xmqsupport || ql2xnvmeenable) {
7482 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7483 			qla2xxx_wake_dpc(vha);
7484 		}
7485 		return PCI_ERS_RESULT_CAN_RECOVER;
7486 	case pci_channel_io_frozen:
7487 		ha->flags.eeh_busy = 1;
7488 		qla_pci_error_cleanup(vha);
7489 		return PCI_ERS_RESULT_NEED_RESET;
7490 	case pci_channel_io_perm_failure:
7491 		ha->flags.pci_channel_io_perm_failure = 1;
7492 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7493 		if (ql2xmqsupport || ql2xnvmeenable) {
7494 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7495 			qla2xxx_wake_dpc(vha);
7496 		}
7497 		return PCI_ERS_RESULT_DISCONNECT;
7498 	}
7499 	return PCI_ERS_RESULT_NEED_RESET;
7500 }
7501 
7502 static pci_ers_result_t
7503 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7504 {
7505 	int risc_paused = 0;
7506 	uint32_t stat;
7507 	unsigned long flags;
7508 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7509 	struct qla_hw_data *ha = base_vha->hw;
7510 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7511 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7512 
7513 	if (IS_QLA82XX(ha))
7514 		return PCI_ERS_RESULT_RECOVERED;
7515 
7516 	spin_lock_irqsave(&ha->hardware_lock, flags);
7517 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7518 		stat = rd_reg_word(&reg->hccr);
7519 		if (stat & HCCR_RISC_PAUSE)
7520 			risc_paused = 1;
7521 	} else if (IS_QLA23XX(ha)) {
7522 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7523 		if (stat & HSR_RISC_PAUSED)
7524 			risc_paused = 1;
7525 	} else if (IS_FWI2_CAPABLE(ha)) {
7526 		stat = rd_reg_dword(&reg24->host_status);
7527 		if (stat & HSRX_RISC_PAUSED)
7528 			risc_paused = 1;
7529 	}
7530 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7531 
7532 	if (risc_paused) {
7533 		ql_log(ql_log_info, base_vha, 0x9003,
7534 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7535 		qla2xxx_dump_fw(base_vha);
7536 
7537 		return PCI_ERS_RESULT_NEED_RESET;
7538 	} else
7539 		return PCI_ERS_RESULT_RECOVERED;
7540 }
7541 
7542 static pci_ers_result_t
7543 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7544 {
7545 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7546 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7547 	struct qla_hw_data *ha = base_vha->hw;
7548 	int rc;
7549 	struct qla_qpair *qpair = NULL;
7550 
7551 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
7552 	    "Slot Reset.\n");
7553 
7554 	/* Workaround: qla2xxx driver which access hardware earlier
7555 	 * needs error state to be pci_channel_io_online.
7556 	 * Otherwise mailbox command timesout.
7557 	 */
7558 	pdev->error_state = pci_channel_io_normal;
7559 
7560 	pci_restore_state(pdev);
7561 
7562 	/* pci_restore_state() clears the saved_state flag of the device
7563 	 * save restored state which resets saved_state flag
7564 	 */
7565 	pci_save_state(pdev);
7566 
7567 	if (ha->mem_only)
7568 		rc = pci_enable_device_mem(pdev);
7569 	else
7570 		rc = pci_enable_device(pdev);
7571 
7572 	if (rc) {
7573 		ql_log(ql_log_warn, base_vha, 0x9005,
7574 		    "Can't re-enable PCI device after reset.\n");
7575 		goto exit_slot_reset;
7576 	}
7577 
7578 
7579 	if (ha->isp_ops->pci_config(base_vha))
7580 		goto exit_slot_reset;
7581 
7582 	mutex_lock(&ha->mq_lock);
7583 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7584 		qpair->online = 1;
7585 	mutex_unlock(&ha->mq_lock);
7586 
7587 	base_vha->flags.online = 1;
7588 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7589 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
7590 		ret =  PCI_ERS_RESULT_RECOVERED;
7591 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7592 
7593 
7594 exit_slot_reset:
7595 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7596 	    "slot_reset return %x.\n", ret);
7597 
7598 	return ret;
7599 }
7600 
7601 static void
7602 qla2xxx_pci_resume(struct pci_dev *pdev)
7603 {
7604 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7605 	struct qla_hw_data *ha = base_vha->hw;
7606 	int ret;
7607 
7608 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
7609 	    "pci_resume.\n");
7610 
7611 	ha->flags.eeh_busy = 0;
7612 
7613 	ret = qla2x00_wait_for_hba_online(base_vha);
7614 	if (ret != QLA_SUCCESS) {
7615 		ql_log(ql_log_fatal, base_vha, 0x9002,
7616 		    "The device failed to resume I/O from slot/link_reset.\n");
7617 	}
7618 }
7619 
7620 static void
7621 qla_pci_reset_prepare(struct pci_dev *pdev)
7622 {
7623 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7624 	struct qla_hw_data *ha = base_vha->hw;
7625 	struct qla_qpair *qpair;
7626 
7627 	ql_log(ql_log_warn, base_vha, 0xffff,
7628 	    "%s.\n", __func__);
7629 
7630 	/*
7631 	 * PCI FLR/function reset is about to reset the
7632 	 * slot. Stop the chip to stop all DMA access.
7633 	 * It is assumed that pci_reset_done will be called
7634 	 * after FLR to resume Chip operation.
7635 	 */
7636 	ha->flags.eeh_busy = 1;
7637 	mutex_lock(&ha->mq_lock);
7638 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7639 		qpair->online = 0;
7640 	mutex_unlock(&ha->mq_lock);
7641 
7642 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7643 	qla2x00_abort_isp_cleanup(base_vha);
7644 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7645 }
7646 
7647 static void
7648 qla_pci_reset_done(struct pci_dev *pdev)
7649 {
7650 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7651 	struct qla_hw_data *ha = base_vha->hw;
7652 	struct qla_qpair *qpair;
7653 
7654 	ql_log(ql_log_warn, base_vha, 0xffff,
7655 	    "%s.\n", __func__);
7656 
7657 	/*
7658 	 * FLR just completed by PCI layer. Resume adapter
7659 	 */
7660 	ha->flags.eeh_busy = 0;
7661 	mutex_lock(&ha->mq_lock);
7662 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7663 		qpair->online = 1;
7664 	mutex_unlock(&ha->mq_lock);
7665 
7666 	base_vha->flags.online = 1;
7667 	ha->isp_ops->abort_isp(base_vha);
7668 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7669 }
7670 
7671 static int qla2xxx_map_queues(struct Scsi_Host *shost)
7672 {
7673 	int rc;
7674 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
7675 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
7676 
7677 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
7678 		rc = blk_mq_map_queues(qmap);
7679 	else
7680 		rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
7681 	return rc;
7682 }
7683 
7684 struct scsi_host_template qla2xxx_driver_template = {
7685 	.module			= THIS_MODULE,
7686 	.name			= QLA2XXX_DRIVER_NAME,
7687 	.queuecommand		= qla2xxx_queuecommand,
7688 
7689 	.eh_timed_out		= fc_eh_timed_out,
7690 	.eh_abort_handler	= qla2xxx_eh_abort,
7691 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
7692 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
7693 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
7694 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
7695 
7696 	.slave_configure	= qla2xxx_slave_configure,
7697 
7698 	.slave_alloc		= qla2xxx_slave_alloc,
7699 	.slave_destroy		= qla2xxx_slave_destroy,
7700 	.scan_finished		= qla2xxx_scan_finished,
7701 	.scan_start		= qla2xxx_scan_start,
7702 	.change_queue_depth	= scsi_change_queue_depth,
7703 	.map_queues             = qla2xxx_map_queues,
7704 	.this_id		= -1,
7705 	.cmd_per_lun		= 3,
7706 	.sg_tablesize		= SG_ALL,
7707 
7708 	.max_sectors		= 0xFFFF,
7709 	.shost_attrs		= qla2x00_host_attrs,
7710 
7711 	.supported_mode		= MODE_INITIATOR,
7712 	.track_queue_depth	= 1,
7713 	.cmd_size		= sizeof(srb_t),
7714 };
7715 
7716 static const struct pci_error_handlers qla2xxx_err_handler = {
7717 	.error_detected = qla2xxx_pci_error_detected,
7718 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
7719 	.slot_reset = qla2xxx_pci_slot_reset,
7720 	.resume = qla2xxx_pci_resume,
7721 	.reset_prepare = qla_pci_reset_prepare,
7722 	.reset_done = qla_pci_reset_done,
7723 };
7724 
7725 static struct pci_device_id qla2xxx_pci_tbl[] = {
7726 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
7727 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
7728 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
7729 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
7730 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
7731 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
7732 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
7733 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
7734 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
7735 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
7736 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
7737 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
7738 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
7739 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
7740 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
7741 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
7742 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
7743 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
7744 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
7745 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
7746 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
7747 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
7748 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
7749 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
7750 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
7751 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
7752 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
7753 	{ 0 },
7754 };
7755 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
7756 
7757 static struct pci_driver qla2xxx_pci_driver = {
7758 	.name		= QLA2XXX_DRIVER_NAME,
7759 	.driver		= {
7760 		.owner		= THIS_MODULE,
7761 	},
7762 	.id_table	= qla2xxx_pci_tbl,
7763 	.probe		= qla2x00_probe_one,
7764 	.remove		= qla2x00_remove_one,
7765 	.shutdown	= qla2x00_shutdown,
7766 	.err_handler	= &qla2xxx_err_handler,
7767 };
7768 
7769 static const struct file_operations apidev_fops = {
7770 	.owner = THIS_MODULE,
7771 	.llseek = noop_llseek,
7772 };
7773 
7774 /**
7775  * qla2x00_module_init - Module initialization.
7776  **/
7777 static int __init
7778 qla2x00_module_init(void)
7779 {
7780 	int ret = 0;
7781 
7782 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
7783 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
7784 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
7785 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
7786 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
7787 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
7788 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
7789 	BUILD_BUG_ON(sizeof(request_t) != 64);
7790 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
7791 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
7792 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
7793 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
7794 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
7795 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
7796 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
7797 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
7798 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
7799 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
7800 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
7801 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
7802 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2344);
7803 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
7804 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
7805 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
7806 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
7807 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
7808 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
7809 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
7810 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
7811 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
7812 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
7813 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
7814 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
7815 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
7816 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
7817 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
7818 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
7819 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
7820 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
7821 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
7822 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
7823 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
7824 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
7825 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
7826 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
7827 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
7828 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
7829 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
7830 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
7831 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
7832 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
7833 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
7834 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
7835 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
7836 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
7837 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
7838 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
7839 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
7840 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
7841 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
7842 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
7843 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
7844 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
7845 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
7846 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
7847 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
7848 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
7849 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
7850 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
7851 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
7852 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
7853 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
7854 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
7855 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
7856 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
7857 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
7858 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
7859 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
7860 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
7861 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
7862 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
7863 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
7864 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
7865 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
7866 
7867 	/* Allocate cache for SRBs. */
7868 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7869 	    SLAB_HWCACHE_ALIGN, NULL);
7870 	if (srb_cachep == NULL) {
7871 		ql_log(ql_log_fatal, NULL, 0x0001,
7872 		    "Unable to allocate SRB cache...Failing load!.\n");
7873 		return -ENOMEM;
7874 	}
7875 
7876 	/* Initialize target kmem_cache and mem_pools */
7877 	ret = qlt_init();
7878 	if (ret < 0) {
7879 		goto destroy_cache;
7880 	} else if (ret > 0) {
7881 		/*
7882 		 * If initiator mode is explictly disabled by qlt_init(),
7883 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7884 		 * performing scsi_scan_target() during LOOP UP event.
7885 		 */
7886 		qla2xxx_transport_functions.disable_target_scan = 1;
7887 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
7888 	}
7889 
7890 	/* Derive version string. */
7891 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7892 	if (ql2xextended_error_logging)
7893 		strcat(qla2x00_version_str, "-debug");
7894 	if (ql2xextended_error_logging == 1)
7895 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7896 
7897 	if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7898 		qla_insert_tgt_attrs();
7899 
7900 	qla2xxx_transport_template =
7901 	    fc_attach_transport(&qla2xxx_transport_functions);
7902 	if (!qla2xxx_transport_template) {
7903 		ql_log(ql_log_fatal, NULL, 0x0002,
7904 		    "fc_attach_transport failed...Failing load!.\n");
7905 		ret = -ENODEV;
7906 		goto qlt_exit;
7907 	}
7908 
7909 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7910 	if (apidev_major < 0) {
7911 		ql_log(ql_log_fatal, NULL, 0x0003,
7912 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7913 	}
7914 
7915 	qla2xxx_transport_vport_template =
7916 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
7917 	if (!qla2xxx_transport_vport_template) {
7918 		ql_log(ql_log_fatal, NULL, 0x0004,
7919 		    "fc_attach_transport vport failed...Failing load!.\n");
7920 		ret = -ENODEV;
7921 		goto unreg_chrdev;
7922 	}
7923 	ql_log(ql_log_info, NULL, 0x0005,
7924 	    "QLogic Fibre Channel HBA Driver: %s.\n",
7925 	    qla2x00_version_str);
7926 	ret = pci_register_driver(&qla2xxx_pci_driver);
7927 	if (ret) {
7928 		ql_log(ql_log_fatal, NULL, 0x0006,
7929 		    "pci_register_driver failed...ret=%d Failing load!.\n",
7930 		    ret);
7931 		goto release_vport_transport;
7932 	}
7933 	return ret;
7934 
7935 release_vport_transport:
7936 	fc_release_transport(qla2xxx_transport_vport_template);
7937 
7938 unreg_chrdev:
7939 	if (apidev_major >= 0)
7940 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7941 	fc_release_transport(qla2xxx_transport_template);
7942 
7943 qlt_exit:
7944 	qlt_exit();
7945 
7946 destroy_cache:
7947 	kmem_cache_destroy(srb_cachep);
7948 	return ret;
7949 }
7950 
7951 /**
7952  * qla2x00_module_exit - Module cleanup.
7953  **/
7954 static void __exit
7955 qla2x00_module_exit(void)
7956 {
7957 	pci_unregister_driver(&qla2xxx_pci_driver);
7958 	qla2x00_release_firmware();
7959 	kmem_cache_destroy(ctx_cachep);
7960 	fc_release_transport(qla2xxx_transport_vport_template);
7961 	if (apidev_major >= 0)
7962 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7963 	fc_release_transport(qla2xxx_transport_template);
7964 	qlt_exit();
7965 	kmem_cache_destroy(srb_cachep);
7966 }
7967 
7968 module_init(qla2x00_module_init);
7969 module_exit(qla2x00_module_exit);
7970 
7971 MODULE_AUTHOR("QLogic Corporation");
7972 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7973 MODULE_LICENSE("GPL");
7974 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7975 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7976 MODULE_FIRMWARE(FW_FILE_ISP2300);
7977 MODULE_FIRMWARE(FW_FILE_ISP2322);
7978 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7979 MODULE_FIRMWARE(FW_FILE_ISP25XX);
7980