xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 8b8f095b)
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: 0)");
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 
331 static void qla2x00_clear_drv_active(struct qla_hw_data *);
332 static void qla2x00_free_device(scsi_qla_host_t *);
333 static int qla2xxx_map_queues(struct Scsi_Host *shost);
334 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
335 
336 
337 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
338 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
339 
340 /* TODO Convert to inlines
341  *
342  * Timer routines
343  */
344 
345 __inline__ void
346 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
347 {
348 	timer_setup(&vha->timer, qla2x00_timer, 0);
349 	vha->timer.expires = jiffies + interval * HZ;
350 	add_timer(&vha->timer);
351 	vha->timer_active = 1;
352 }
353 
354 static inline void
355 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
356 {
357 	/* Currently used for 82XX only. */
358 	if (vha->device_flags & DFLG_DEV_FAILED) {
359 		ql_dbg(ql_dbg_timer, vha, 0x600d,
360 		    "Device in a failed state, returning.\n");
361 		return;
362 	}
363 
364 	mod_timer(&vha->timer, jiffies + interval * HZ);
365 }
366 
367 static __inline__ void
368 qla2x00_stop_timer(scsi_qla_host_t *vha)
369 {
370 	del_timer_sync(&vha->timer);
371 	vha->timer_active = 0;
372 }
373 
374 static int qla2x00_do_dpc(void *data);
375 
376 static void qla2x00_rst_aen(scsi_qla_host_t *);
377 
378 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
379 	struct req_que **, struct rsp_que **);
380 static void qla2x00_free_fw_dump(struct qla_hw_data *);
381 static void qla2x00_mem_free(struct qla_hw_data *);
382 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
383 	struct qla_qpair *qpair);
384 
385 /* -------------------------------------------------------------------------- */
386 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
387     struct rsp_que *rsp)
388 {
389 	struct qla_hw_data *ha = vha->hw;
390 
391 	rsp->qpair = ha->base_qpair;
392 	rsp->req = req;
393 	ha->base_qpair->hw = ha;
394 	ha->base_qpair->req = req;
395 	ha->base_qpair->rsp = rsp;
396 	ha->base_qpair->vha = vha;
397 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
398 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
399 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
400 	ha->base_qpair->srb_mempool = ha->srb_mempool;
401 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
402 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
403 	/* init qpair to this cpu. Will adjust at run time. */
404 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
405 	ha->base_qpair->pdev = ha->pdev;
406 
407 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
408 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
409 }
410 
411 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
412 				struct rsp_que *rsp)
413 {
414 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
415 
416 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
417 				GFP_KERNEL);
418 	if (!ha->req_q_map) {
419 		ql_log(ql_log_fatal, vha, 0x003b,
420 		    "Unable to allocate memory for request queue ptrs.\n");
421 		goto fail_req_map;
422 	}
423 
424 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
425 				GFP_KERNEL);
426 	if (!ha->rsp_q_map) {
427 		ql_log(ql_log_fatal, vha, 0x003c,
428 		    "Unable to allocate memory for response queue ptrs.\n");
429 		goto fail_rsp_map;
430 	}
431 
432 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
433 	if (ha->base_qpair == NULL) {
434 		ql_log(ql_log_warn, vha, 0x00e0,
435 		    "Failed to allocate base queue pair memory.\n");
436 		goto fail_base_qpair;
437 	}
438 
439 	qla_init_base_qpair(vha, req, rsp);
440 
441 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
442 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
443 			GFP_KERNEL);
444 		if (!ha->queue_pair_map) {
445 			ql_log(ql_log_fatal, vha, 0x0180,
446 			    "Unable to allocate memory for queue pair ptrs.\n");
447 			goto fail_qpair_map;
448 		}
449 	}
450 
451 	/*
452 	 * Make sure we record at least the request and response queue zero in
453 	 * case we need to free them if part of the probe fails.
454 	 */
455 	ha->rsp_q_map[0] = rsp;
456 	ha->req_q_map[0] = req;
457 	set_bit(0, ha->rsp_qid_map);
458 	set_bit(0, ha->req_qid_map);
459 	return 0;
460 
461 fail_qpair_map:
462 	kfree(ha->base_qpair);
463 	ha->base_qpair = NULL;
464 fail_base_qpair:
465 	kfree(ha->rsp_q_map);
466 	ha->rsp_q_map = NULL;
467 fail_rsp_map:
468 	kfree(ha->req_q_map);
469 	ha->req_q_map = NULL;
470 fail_req_map:
471 	return -ENOMEM;
472 }
473 
474 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
475 {
476 	if (IS_QLAFX00(ha)) {
477 		if (req && req->ring_fx00)
478 			dma_free_coherent(&ha->pdev->dev,
479 			    (req->length_fx00 + 1) * sizeof(request_t),
480 			    req->ring_fx00, req->dma_fx00);
481 	} else if (req && req->ring)
482 		dma_free_coherent(&ha->pdev->dev,
483 		(req->length + 1) * sizeof(request_t),
484 		req->ring, req->dma);
485 
486 	if (req)
487 		kfree(req->outstanding_cmds);
488 
489 	kfree(req);
490 }
491 
492 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
493 {
494 	if (IS_QLAFX00(ha)) {
495 		if (rsp && rsp->ring_fx00)
496 			dma_free_coherent(&ha->pdev->dev,
497 			    (rsp->length_fx00 + 1) * sizeof(request_t),
498 			    rsp->ring_fx00, rsp->dma_fx00);
499 	} else if (rsp && rsp->ring) {
500 		dma_free_coherent(&ha->pdev->dev,
501 		(rsp->length + 1) * sizeof(response_t),
502 		rsp->ring, rsp->dma);
503 	}
504 	kfree(rsp);
505 }
506 
507 static void qla2x00_free_queues(struct qla_hw_data *ha)
508 {
509 	struct req_que *req;
510 	struct rsp_que *rsp;
511 	int cnt;
512 	unsigned long flags;
513 
514 	if (ha->queue_pair_map) {
515 		kfree(ha->queue_pair_map);
516 		ha->queue_pair_map = NULL;
517 	}
518 	if (ha->base_qpair) {
519 		kfree(ha->base_qpair);
520 		ha->base_qpair = NULL;
521 	}
522 
523 	spin_lock_irqsave(&ha->hardware_lock, flags);
524 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
525 		if (!test_bit(cnt, ha->req_qid_map))
526 			continue;
527 
528 		req = ha->req_q_map[cnt];
529 		clear_bit(cnt, ha->req_qid_map);
530 		ha->req_q_map[cnt] = NULL;
531 
532 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
533 		qla2x00_free_req_que(ha, req);
534 		spin_lock_irqsave(&ha->hardware_lock, flags);
535 	}
536 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
537 
538 	kfree(ha->req_q_map);
539 	ha->req_q_map = NULL;
540 
541 
542 	spin_lock_irqsave(&ha->hardware_lock, flags);
543 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
544 		if (!test_bit(cnt, ha->rsp_qid_map))
545 			continue;
546 
547 		rsp = ha->rsp_q_map[cnt];
548 		clear_bit(cnt, ha->rsp_qid_map);
549 		ha->rsp_q_map[cnt] =  NULL;
550 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
551 		qla2x00_free_rsp_que(ha, rsp);
552 		spin_lock_irqsave(&ha->hardware_lock, flags);
553 	}
554 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
555 
556 	kfree(ha->rsp_q_map);
557 	ha->rsp_q_map = NULL;
558 }
559 
560 static char *
561 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
562 {
563 	struct qla_hw_data *ha = vha->hw;
564 	static const char *const pci_bus_modes[] = {
565 		"33", "66", "100", "133",
566 	};
567 	uint16_t pci_bus;
568 
569 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
570 	if (pci_bus) {
571 		snprintf(str, str_len, "PCI-X (%s MHz)",
572 			 pci_bus_modes[pci_bus]);
573 	} else {
574 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
575 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
576 	}
577 
578 	return str;
579 }
580 
581 static char *
582 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
583 {
584 	static const char *const pci_bus_modes[] = {
585 		"33", "66", "100", "133",
586 	};
587 	struct qla_hw_data *ha = vha->hw;
588 	uint32_t pci_bus;
589 
590 	if (pci_is_pcie(ha->pdev)) {
591 		uint32_t lstat, lspeed, lwidth;
592 		const char *speed_str;
593 
594 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
595 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
596 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
597 
598 		switch (lspeed) {
599 		case 1:
600 			speed_str = "2.5GT/s";
601 			break;
602 		case 2:
603 			speed_str = "5.0GT/s";
604 			break;
605 		case 3:
606 			speed_str = "8.0GT/s";
607 			break;
608 		case 4:
609 			speed_str = "16.0GT/s";
610 			break;
611 		default:
612 			speed_str = "<unknown>";
613 			break;
614 		}
615 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
616 
617 		return str;
618 	}
619 
620 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
621 	if (pci_bus == 0 || pci_bus == 8)
622 		snprintf(str, str_len, "PCI (%s MHz)",
623 			 pci_bus_modes[pci_bus >> 3]);
624 	else
625 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
626 			 pci_bus & 4 ? 2 : 1,
627 			 pci_bus_modes[pci_bus & 3]);
628 
629 	return str;
630 }
631 
632 static char *
633 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
634 {
635 	char un_str[10];
636 	struct qla_hw_data *ha = vha->hw;
637 
638 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
639 	    ha->fw_minor_version, ha->fw_subminor_version);
640 
641 	if (ha->fw_attributes & BIT_9) {
642 		strcat(str, "FLX");
643 		return (str);
644 	}
645 
646 	switch (ha->fw_attributes & 0xFF) {
647 	case 0x7:
648 		strcat(str, "EF");
649 		break;
650 	case 0x17:
651 		strcat(str, "TP");
652 		break;
653 	case 0x37:
654 		strcat(str, "IP");
655 		break;
656 	case 0x77:
657 		strcat(str, "VI");
658 		break;
659 	default:
660 		sprintf(un_str, "(%x)", ha->fw_attributes);
661 		strcat(str, un_str);
662 		break;
663 	}
664 	if (ha->fw_attributes & 0x100)
665 		strcat(str, "X");
666 
667 	return (str);
668 }
669 
670 static char *
671 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
672 {
673 	struct qla_hw_data *ha = vha->hw;
674 
675 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
676 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
677 	return str;
678 }
679 
680 void qla2x00_sp_free_dma(srb_t *sp)
681 {
682 	struct qla_hw_data *ha = sp->vha->hw;
683 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
684 
685 	if (sp->flags & SRB_DMA_VALID) {
686 		scsi_dma_unmap(cmd);
687 		sp->flags &= ~SRB_DMA_VALID;
688 	}
689 
690 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
691 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
692 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
693 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
694 	}
695 
696 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
697 		/* List assured to be having elements */
698 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
699 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
700 	}
701 
702 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
703 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
704 
705 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
706 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
707 	}
708 
709 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
710 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
711 
712 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
713 		    ctx1->fcp_cmnd_dma);
714 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
715 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
716 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
717 		mempool_free(ctx1, ha->ctx_mempool);
718 	}
719 }
720 
721 void qla2x00_sp_compl(srb_t *sp, int res)
722 {
723 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
724 	struct completion *comp = sp->comp;
725 
726 	sp->free(sp);
727 	cmd->result = res;
728 	CMD_SP(cmd) = NULL;
729 	cmd->scsi_done(cmd);
730 	if (comp)
731 		complete(comp);
732 }
733 
734 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
735 {
736 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
737 	struct qla_hw_data *ha = sp->fcport->vha->hw;
738 
739 	if (sp->flags & SRB_DMA_VALID) {
740 		scsi_dma_unmap(cmd);
741 		sp->flags &= ~SRB_DMA_VALID;
742 	}
743 
744 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
745 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
746 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
747 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
748 	}
749 
750 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
751 		/* List assured to be having elements */
752 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
753 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
754 	}
755 
756 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
757 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
758 		struct dsd_dma *dif_dsd, *nxt_dsd;
759 
760 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
761 		    &difctx->ldif_dma_hndl_list, list) {
762 			list_del(&dif_dsd->list);
763 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
764 			    dif_dsd->dsd_list_dma);
765 			kfree(dif_dsd);
766 			difctx->no_dif_bundl--;
767 		}
768 
769 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
770 		    &difctx->ldif_dsd_list, list) {
771 			list_del(&dif_dsd->list);
772 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
773 			    dif_dsd->dsd_list_dma);
774 			kfree(dif_dsd);
775 			difctx->no_ldif_dsd--;
776 		}
777 
778 		if (difctx->no_ldif_dsd) {
779 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
780 			    "%s: difctx->no_ldif_dsd=%x\n",
781 			    __func__, difctx->no_ldif_dsd);
782 		}
783 
784 		if (difctx->no_dif_bundl) {
785 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
786 			    "%s: difctx->no_dif_bundl=%x\n",
787 			    __func__, difctx->no_dif_bundl);
788 		}
789 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
790 	}
791 
792 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
793 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
794 
795 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
796 		    ctx1->fcp_cmnd_dma);
797 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
798 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
799 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
800 		mempool_free(ctx1, ha->ctx_mempool);
801 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
802 	}
803 
804 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
805 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
806 
807 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
808 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
809 	}
810 }
811 
812 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
813 {
814 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
815 	struct completion *comp = sp->comp;
816 
817 	sp->free(sp);
818 	cmd->result = res;
819 	CMD_SP(cmd) = NULL;
820 	cmd->scsi_done(cmd);
821 	if (comp)
822 		complete(comp);
823 }
824 
825 static int
826 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
827 {
828 	scsi_qla_host_t *vha = shost_priv(host);
829 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
830 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
831 	struct qla_hw_data *ha = vha->hw;
832 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
833 	srb_t *sp;
834 	int rval;
835 
836 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
837 	    WARN_ON_ONCE(!rport)) {
838 		cmd->result = DID_NO_CONNECT << 16;
839 		goto qc24_fail_command;
840 	}
841 
842 	if (ha->mqenable) {
843 		uint32_t tag;
844 		uint16_t hwq;
845 		struct qla_qpair *qpair = NULL;
846 
847 		tag = blk_mq_unique_tag(cmd->request);
848 		hwq = blk_mq_unique_tag_to_hwq(tag);
849 		qpair = ha->queue_pair_map[hwq];
850 
851 		if (qpair)
852 			return qla2xxx_mqueuecommand(host, cmd, qpair);
853 	}
854 
855 	if (ha->flags.eeh_busy) {
856 		if (ha->flags.pci_channel_io_perm_failure) {
857 			ql_dbg(ql_dbg_aer, vha, 0x9010,
858 			    "PCI Channel IO permanent failure, exiting "
859 			    "cmd=%p.\n", cmd);
860 			cmd->result = DID_NO_CONNECT << 16;
861 		} else {
862 			ql_dbg(ql_dbg_aer, vha, 0x9011,
863 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
864 			cmd->result = DID_REQUEUE << 16;
865 		}
866 		goto qc24_fail_command;
867 	}
868 
869 	rval = fc_remote_port_chkready(rport);
870 	if (rval) {
871 		cmd->result = rval;
872 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
873 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
874 		    cmd, rval);
875 		goto qc24_fail_command;
876 	}
877 
878 	if (!vha->flags.difdix_supported &&
879 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
880 			ql_dbg(ql_dbg_io, vha, 0x3004,
881 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
882 			    cmd);
883 			cmd->result = DID_NO_CONNECT << 16;
884 			goto qc24_fail_command;
885 	}
886 
887 	if (!fcport || fcport->deleted) {
888 		cmd->result = DID_IMM_RETRY << 16;
889 		goto qc24_fail_command;
890 	}
891 
892 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
893 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
894 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
895 			ql_dbg(ql_dbg_io, vha, 0x3005,
896 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
897 			    atomic_read(&fcport->state),
898 			    atomic_read(&base_vha->loop_state));
899 			cmd->result = DID_NO_CONNECT << 16;
900 			goto qc24_fail_command;
901 		}
902 		goto qc24_target_busy;
903 	}
904 
905 	/*
906 	 * Return target busy if we've received a non-zero retry_delay_timer
907 	 * in a FCP_RSP.
908 	 */
909 	if (fcport->retry_delay_timestamp == 0) {
910 		/* retry delay not set */
911 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
912 		fcport->retry_delay_timestamp = 0;
913 	else
914 		goto qc24_target_busy;
915 
916 	sp = scsi_cmd_priv(cmd);
917 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
918 
919 	sp->u.scmd.cmd = cmd;
920 	sp->type = SRB_SCSI_CMD;
921 
922 	CMD_SP(cmd) = (void *)sp;
923 	sp->free = qla2x00_sp_free_dma;
924 	sp->done = qla2x00_sp_compl;
925 
926 	rval = ha->isp_ops->start_scsi(sp);
927 	if (rval != QLA_SUCCESS) {
928 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
929 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
930 		goto qc24_host_busy_free_sp;
931 	}
932 
933 	return 0;
934 
935 qc24_host_busy_free_sp:
936 	sp->free(sp);
937 
938 qc24_target_busy:
939 	return SCSI_MLQUEUE_TARGET_BUSY;
940 
941 qc24_fail_command:
942 	cmd->scsi_done(cmd);
943 
944 	return 0;
945 }
946 
947 /* For MQ supported I/O */
948 int
949 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
950     struct qla_qpair *qpair)
951 {
952 	scsi_qla_host_t *vha = shost_priv(host);
953 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
954 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
955 	struct qla_hw_data *ha = vha->hw;
956 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
957 	srb_t *sp;
958 	int rval;
959 
960 	rval = rport ? fc_remote_port_chkready(rport) : FC_PORTSTATE_OFFLINE;
961 	if (rval) {
962 		cmd->result = rval;
963 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
964 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
965 		    cmd, rval);
966 		goto qc24_fail_command;
967 	}
968 
969 	if (!fcport || fcport->deleted) {
970 		cmd->result = DID_IMM_RETRY << 16;
971 		goto qc24_fail_command;
972 	}
973 
974 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
975 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
976 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
977 			ql_dbg(ql_dbg_io, vha, 0x3077,
978 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
979 			    atomic_read(&fcport->state),
980 			    atomic_read(&base_vha->loop_state));
981 			cmd->result = DID_NO_CONNECT << 16;
982 			goto qc24_fail_command;
983 		}
984 		goto qc24_target_busy;
985 	}
986 
987 	/*
988 	 * Return target busy if we've received a non-zero retry_delay_timer
989 	 * in a FCP_RSP.
990 	 */
991 	if (fcport->retry_delay_timestamp == 0) {
992 		/* retry delay not set */
993 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
994 		fcport->retry_delay_timestamp = 0;
995 	else
996 		goto qc24_target_busy;
997 
998 	sp = scsi_cmd_priv(cmd);
999 	qla2xxx_init_sp(sp, vha, qpair, fcport);
1000 
1001 	sp->u.scmd.cmd = cmd;
1002 	sp->type = SRB_SCSI_CMD;
1003 	CMD_SP(cmd) = (void *)sp;
1004 	sp->free = qla2xxx_qpair_sp_free_dma;
1005 	sp->done = qla2xxx_qpair_sp_compl;
1006 
1007 	rval = ha->isp_ops->start_scsi_mq(sp);
1008 	if (rval != QLA_SUCCESS) {
1009 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1010 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1011 		if (rval == QLA_INTERFACE_ERROR)
1012 			goto qc24_free_sp_fail_command;
1013 		goto qc24_host_busy_free_sp;
1014 	}
1015 
1016 	return 0;
1017 
1018 qc24_host_busy_free_sp:
1019 	sp->free(sp);
1020 
1021 qc24_target_busy:
1022 	return SCSI_MLQUEUE_TARGET_BUSY;
1023 
1024 qc24_free_sp_fail_command:
1025 	sp->free(sp);
1026 	CMD_SP(cmd) = NULL;
1027 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
1028 
1029 qc24_fail_command:
1030 	cmd->scsi_done(cmd);
1031 
1032 	return 0;
1033 }
1034 
1035 /*
1036  * qla2x00_eh_wait_on_command
1037  *    Waits for the command to be returned by the Firmware for some
1038  *    max time.
1039  *
1040  * Input:
1041  *    cmd = Scsi Command to wait on.
1042  *
1043  * Return:
1044  *    Completed in time : QLA_SUCCESS
1045  *    Did not complete in time : QLA_FUNCTION_FAILED
1046  */
1047 static int
1048 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1049 {
1050 #define ABORT_POLLING_PERIOD	1000
1051 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1052 	unsigned long wait_iter = ABORT_WAIT_ITER;
1053 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1054 	struct qla_hw_data *ha = vha->hw;
1055 	int ret = QLA_SUCCESS;
1056 
1057 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1058 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1059 		    "Return:eh_wait.\n");
1060 		return ret;
1061 	}
1062 
1063 	while (CMD_SP(cmd) && wait_iter--) {
1064 		msleep(ABORT_POLLING_PERIOD);
1065 	}
1066 	if (CMD_SP(cmd))
1067 		ret = QLA_FUNCTION_FAILED;
1068 
1069 	return ret;
1070 }
1071 
1072 /*
1073  * qla2x00_wait_for_hba_online
1074  *    Wait till the HBA is online after going through
1075  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1076  *    finally HBA is disabled ie marked offline
1077  *
1078  * Input:
1079  *     ha - pointer to host adapter structure
1080  *
1081  * Note:
1082  *    Does context switching-Release SPIN_LOCK
1083  *    (if any) before calling this routine.
1084  *
1085  * Return:
1086  *    Success (Adapter is online) : 0
1087  *    Failed  (Adapter is offline/disabled) : 1
1088  */
1089 int
1090 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1091 {
1092 	int		return_status;
1093 	unsigned long	wait_online;
1094 	struct qla_hw_data *ha = vha->hw;
1095 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1096 
1097 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1098 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1099 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1100 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1101 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1102 
1103 		msleep(1000);
1104 	}
1105 	if (base_vha->flags.online)
1106 		return_status = QLA_SUCCESS;
1107 	else
1108 		return_status = QLA_FUNCTION_FAILED;
1109 
1110 	return (return_status);
1111 }
1112 
1113 static inline int test_fcport_count(scsi_qla_host_t *vha)
1114 {
1115 	struct qla_hw_data *ha = vha->hw;
1116 	unsigned long flags;
1117 	int res;
1118 
1119 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1120 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1121 	    "tgt %p, fcport_count=%d\n",
1122 	    vha, vha->fcport_count);
1123 	res = (vha->fcport_count == 0);
1124 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1125 
1126 	return res;
1127 }
1128 
1129 /*
1130  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1131  * it has dependency on UNLOADING flag to stop device discovery
1132  */
1133 void
1134 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1135 {
1136 	u8 i;
1137 
1138 	qla2x00_mark_all_devices_lost(vha);
1139 
1140 	for (i = 0; i < 10; i++) {
1141 		if (wait_event_timeout(vha->fcport_waitQ,
1142 		    test_fcport_count(vha), HZ) > 0)
1143 			break;
1144 	}
1145 
1146 	flush_workqueue(vha->hw->wq);
1147 }
1148 
1149 /*
1150  * qla2x00_wait_for_hba_ready
1151  * Wait till the HBA is ready before doing driver unload
1152  *
1153  * Input:
1154  *     ha - pointer to host adapter structure
1155  *
1156  * Note:
1157  *    Does context switching-Release SPIN_LOCK
1158  *    (if any) before calling this routine.
1159  *
1160  */
1161 static void
1162 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1163 {
1164 	struct qla_hw_data *ha = vha->hw;
1165 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1166 
1167 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1168 		ha->flags.mbox_busy) ||
1169 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1170 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1171 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1172 			break;
1173 		msleep(1000);
1174 	}
1175 }
1176 
1177 int
1178 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1179 {
1180 	int		return_status;
1181 	unsigned long	wait_reset;
1182 	struct qla_hw_data *ha = vha->hw;
1183 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1184 
1185 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1186 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1187 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1188 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1189 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1190 
1191 		msleep(1000);
1192 
1193 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1194 		    ha->flags.chip_reset_done)
1195 			break;
1196 	}
1197 	if (ha->flags.chip_reset_done)
1198 		return_status = QLA_SUCCESS;
1199 	else
1200 		return_status = QLA_FUNCTION_FAILED;
1201 
1202 	return return_status;
1203 }
1204 
1205 #define ISP_REG_DISCONNECT 0xffffffffU
1206 /**************************************************************************
1207 * qla2x00_isp_reg_stat
1208 *
1209 * Description:
1210 *	Read the host status register of ISP before aborting the command.
1211 *
1212 * Input:
1213 *	ha = pointer to host adapter structure.
1214 *
1215 *
1216 * Returns:
1217 *	Either true or false.
1218 *
1219 * Note:	Return true if there is register disconnect.
1220 **************************************************************************/
1221 static inline
1222 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1223 {
1224 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1225 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1226 
1227 	if (IS_P3P_TYPE(ha))
1228 		return ((rd_reg_dword(&reg82->host_int)) == ISP_REG_DISCONNECT);
1229 	else
1230 		return ((rd_reg_dword(&reg->host_status)) ==
1231 			ISP_REG_DISCONNECT);
1232 }
1233 
1234 /**************************************************************************
1235 * qla2xxx_eh_abort
1236 *
1237 * Description:
1238 *    The abort function will abort the specified command.
1239 *
1240 * Input:
1241 *    cmd = Linux SCSI command packet to be aborted.
1242 *
1243 * Returns:
1244 *    Either SUCCESS or FAILED.
1245 *
1246 * Note:
1247 *    Only return FAILED if command not returned by firmware.
1248 **************************************************************************/
1249 static int
1250 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1251 {
1252 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1253 	DECLARE_COMPLETION_ONSTACK(comp);
1254 	srb_t *sp;
1255 	int ret;
1256 	unsigned int id;
1257 	uint64_t lun;
1258 	int rval;
1259 	struct qla_hw_data *ha = vha->hw;
1260 	uint32_t ratov_j;
1261 	struct qla_qpair *qpair;
1262 	unsigned long flags;
1263 
1264 	if (qla2x00_isp_reg_stat(ha)) {
1265 		ql_log(ql_log_info, vha, 0x8042,
1266 		    "PCI/Register disconnect, exiting.\n");
1267 		return FAILED;
1268 	}
1269 
1270 	ret = fc_block_scsi_eh(cmd);
1271 	if (ret != 0)
1272 		return ret;
1273 
1274 	sp = scsi_cmd_priv(cmd);
1275 	qpair = sp->qpair;
1276 
1277 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1278 		return SUCCESS;
1279 
1280 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1281 	sp->comp = &comp;
1282 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1283 
1284 
1285 	id = cmd->device->id;
1286 	lun = cmd->device->lun;
1287 
1288 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1289 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1290 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1291 
1292 	/*
1293 	 * Abort will release the original Command/sp from FW. Let the
1294 	 * original command call scsi_done. In return, he will wakeup
1295 	 * this sleeping thread.
1296 	 */
1297 	rval = ha->isp_ops->abort_command(sp);
1298 
1299 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1300 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1301 
1302 	/* Wait for the command completion. */
1303 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1304 	ratov_j = msecs_to_jiffies(ratov_j);
1305 	switch (rval) {
1306 	case QLA_SUCCESS:
1307 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1308 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1309 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1310 			    __func__, ha->r_a_tov/10);
1311 			ret = FAILED;
1312 		} else {
1313 			ret = SUCCESS;
1314 		}
1315 		break;
1316 	default:
1317 		ret = FAILED;
1318 		break;
1319 	}
1320 
1321 	sp->comp = NULL;
1322 
1323 	ql_log(ql_log_info, vha, 0x801c,
1324 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1325 	    vha->host_no, id, lun, ret);
1326 
1327 	return ret;
1328 }
1329 
1330 /*
1331  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1332  */
1333 int
1334 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1335 	uint64_t l, enum nexus_wait_type type)
1336 {
1337 	int cnt, match, status;
1338 	unsigned long flags;
1339 	struct qla_hw_data *ha = vha->hw;
1340 	struct req_que *req;
1341 	srb_t *sp;
1342 	struct scsi_cmnd *cmd;
1343 
1344 	status = QLA_SUCCESS;
1345 
1346 	spin_lock_irqsave(&ha->hardware_lock, flags);
1347 	req = vha->req;
1348 	for (cnt = 1; status == QLA_SUCCESS &&
1349 		cnt < req->num_outstanding_cmds; cnt++) {
1350 		sp = req->outstanding_cmds[cnt];
1351 		if (!sp)
1352 			continue;
1353 		if (sp->type != SRB_SCSI_CMD)
1354 			continue;
1355 		if (vha->vp_idx != sp->vha->vp_idx)
1356 			continue;
1357 		match = 0;
1358 		cmd = GET_CMD_SP(sp);
1359 		switch (type) {
1360 		case WAIT_HOST:
1361 			match = 1;
1362 			break;
1363 		case WAIT_TARGET:
1364 			match = cmd->device->id == t;
1365 			break;
1366 		case WAIT_LUN:
1367 			match = (cmd->device->id == t &&
1368 				cmd->device->lun == l);
1369 			break;
1370 		}
1371 		if (!match)
1372 			continue;
1373 
1374 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1375 		status = qla2x00_eh_wait_on_command(cmd);
1376 		spin_lock_irqsave(&ha->hardware_lock, flags);
1377 	}
1378 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1379 
1380 	return status;
1381 }
1382 
1383 static char *reset_errors[] = {
1384 	"HBA not online",
1385 	"HBA not ready",
1386 	"Task management failed",
1387 	"Waiting for command completions",
1388 };
1389 
1390 static int
1391 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1392     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1393 {
1394 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1395 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1396 	int err;
1397 
1398 	if (!fcport) {
1399 		return FAILED;
1400 	}
1401 
1402 	err = fc_block_scsi_eh(cmd);
1403 	if (err != 0)
1404 		return err;
1405 
1406 	if (fcport->deleted)
1407 		return SUCCESS;
1408 
1409 	ql_log(ql_log_info, vha, 0x8009,
1410 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1411 	    cmd->device->id, cmd->device->lun, cmd);
1412 
1413 	err = 0;
1414 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1415 		ql_log(ql_log_warn, vha, 0x800a,
1416 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1417 		goto eh_reset_failed;
1418 	}
1419 	err = 2;
1420 	if (do_reset(fcport, cmd->device->lun, 1)
1421 		!= QLA_SUCCESS) {
1422 		ql_log(ql_log_warn, vha, 0x800c,
1423 		    "do_reset failed for cmd=%p.\n", cmd);
1424 		goto eh_reset_failed;
1425 	}
1426 	err = 3;
1427 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1428 	    cmd->device->lun, type) != QLA_SUCCESS) {
1429 		ql_log(ql_log_warn, vha, 0x800d,
1430 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1431 		goto eh_reset_failed;
1432 	}
1433 
1434 	ql_log(ql_log_info, vha, 0x800e,
1435 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1436 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1437 
1438 	return SUCCESS;
1439 
1440 eh_reset_failed:
1441 	ql_log(ql_log_info, vha, 0x800f,
1442 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1443 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1444 	    cmd);
1445 	return FAILED;
1446 }
1447 
1448 static int
1449 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1450 {
1451 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1452 	struct qla_hw_data *ha = vha->hw;
1453 
1454 	if (qla2x00_isp_reg_stat(ha)) {
1455 		ql_log(ql_log_info, vha, 0x803e,
1456 		    "PCI/Register disconnect, exiting.\n");
1457 		return FAILED;
1458 	}
1459 
1460 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1461 	    ha->isp_ops->lun_reset);
1462 }
1463 
1464 static int
1465 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1466 {
1467 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1468 	struct qla_hw_data *ha = vha->hw;
1469 
1470 	if (qla2x00_isp_reg_stat(ha)) {
1471 		ql_log(ql_log_info, vha, 0x803f,
1472 		    "PCI/Register disconnect, exiting.\n");
1473 		return FAILED;
1474 	}
1475 
1476 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1477 	    ha->isp_ops->target_reset);
1478 }
1479 
1480 /**************************************************************************
1481 * qla2xxx_eh_bus_reset
1482 *
1483 * Description:
1484 *    The bus reset function will reset the bus and abort any executing
1485 *    commands.
1486 *
1487 * Input:
1488 *    cmd = Linux SCSI command packet of the command that cause the
1489 *          bus reset.
1490 *
1491 * Returns:
1492 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1493 *
1494 **************************************************************************/
1495 static int
1496 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1497 {
1498 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1499 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1500 	int ret = FAILED;
1501 	unsigned int id;
1502 	uint64_t lun;
1503 	struct qla_hw_data *ha = vha->hw;
1504 
1505 	if (qla2x00_isp_reg_stat(ha)) {
1506 		ql_log(ql_log_info, vha, 0x8040,
1507 		    "PCI/Register disconnect, exiting.\n");
1508 		return FAILED;
1509 	}
1510 
1511 	id = cmd->device->id;
1512 	lun = cmd->device->lun;
1513 
1514 	if (!fcport) {
1515 		return ret;
1516 	}
1517 
1518 	ret = fc_block_scsi_eh(cmd);
1519 	if (ret != 0)
1520 		return ret;
1521 	ret = FAILED;
1522 
1523 	if (qla2x00_chip_is_down(vha))
1524 		return ret;
1525 
1526 	ql_log(ql_log_info, vha, 0x8012,
1527 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1528 
1529 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1530 		ql_log(ql_log_fatal, vha, 0x8013,
1531 		    "Wait for hba online failed board disabled.\n");
1532 		goto eh_bus_reset_done;
1533 	}
1534 
1535 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1536 		ret = SUCCESS;
1537 
1538 	if (ret == FAILED)
1539 		goto eh_bus_reset_done;
1540 
1541 	/* Flush outstanding commands. */
1542 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1543 	    QLA_SUCCESS) {
1544 		ql_log(ql_log_warn, vha, 0x8014,
1545 		    "Wait for pending commands failed.\n");
1546 		ret = FAILED;
1547 	}
1548 
1549 eh_bus_reset_done:
1550 	ql_log(ql_log_warn, vha, 0x802b,
1551 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1552 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1553 
1554 	return ret;
1555 }
1556 
1557 /**************************************************************************
1558 * qla2xxx_eh_host_reset
1559 *
1560 * Description:
1561 *    The reset function will reset the Adapter.
1562 *
1563 * Input:
1564 *      cmd = Linux SCSI command packet of the command that cause the
1565 *            adapter reset.
1566 *
1567 * Returns:
1568 *      Either SUCCESS or FAILED.
1569 *
1570 * Note:
1571 **************************************************************************/
1572 static int
1573 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1574 {
1575 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1576 	struct qla_hw_data *ha = vha->hw;
1577 	int ret = FAILED;
1578 	unsigned int id;
1579 	uint64_t lun;
1580 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1581 
1582 	if (qla2x00_isp_reg_stat(ha)) {
1583 		ql_log(ql_log_info, vha, 0x8041,
1584 		    "PCI/Register disconnect, exiting.\n");
1585 		schedule_work(&ha->board_disable);
1586 		return SUCCESS;
1587 	}
1588 
1589 	id = cmd->device->id;
1590 	lun = cmd->device->lun;
1591 
1592 	ql_log(ql_log_info, vha, 0x8018,
1593 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1594 
1595 	/*
1596 	 * No point in issuing another reset if one is active.  Also do not
1597 	 * attempt a reset if we are updating flash.
1598 	 */
1599 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1600 		goto eh_host_reset_lock;
1601 
1602 	if (vha != base_vha) {
1603 		if (qla2x00_vp_abort_isp(vha))
1604 			goto eh_host_reset_lock;
1605 	} else {
1606 		if (IS_P3P_TYPE(vha->hw)) {
1607 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1608 				/* Ctx reset success */
1609 				ret = SUCCESS;
1610 				goto eh_host_reset_lock;
1611 			}
1612 			/* fall thru if ctx reset failed */
1613 		}
1614 		if (ha->wq)
1615 			flush_workqueue(ha->wq);
1616 
1617 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1618 		if (ha->isp_ops->abort_isp(base_vha)) {
1619 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1620 			/* failed. schedule dpc to try */
1621 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1622 
1623 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1624 				ql_log(ql_log_warn, vha, 0x802a,
1625 				    "wait for hba online failed.\n");
1626 				goto eh_host_reset_lock;
1627 			}
1628 		}
1629 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1630 	}
1631 
1632 	/* Waiting for command to be returned to OS.*/
1633 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1634 		QLA_SUCCESS)
1635 		ret = SUCCESS;
1636 
1637 eh_host_reset_lock:
1638 	ql_log(ql_log_info, vha, 0x8017,
1639 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1640 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1641 
1642 	return ret;
1643 }
1644 
1645 /*
1646 * qla2x00_loop_reset
1647 *      Issue loop reset.
1648 *
1649 * Input:
1650 *      ha = adapter block pointer.
1651 *
1652 * Returns:
1653 *      0 = success
1654 */
1655 int
1656 qla2x00_loop_reset(scsi_qla_host_t *vha)
1657 {
1658 	int ret;
1659 	struct fc_port *fcport;
1660 	struct qla_hw_data *ha = vha->hw;
1661 
1662 	if (IS_QLAFX00(ha)) {
1663 		return qlafx00_loop_reset(vha);
1664 	}
1665 
1666 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1667 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1668 			if (fcport->port_type != FCT_TARGET)
1669 				continue;
1670 
1671 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1672 			if (ret != QLA_SUCCESS) {
1673 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1674 				    "Bus Reset failed: Reset=%d "
1675 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1676 			}
1677 		}
1678 	}
1679 
1680 
1681 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1682 		atomic_set(&vha->loop_state, LOOP_DOWN);
1683 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1684 		qla2x00_mark_all_devices_lost(vha);
1685 		ret = qla2x00_full_login_lip(vha);
1686 		if (ret != QLA_SUCCESS) {
1687 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1688 			    "full_login_lip=%d.\n", ret);
1689 		}
1690 	}
1691 
1692 	if (ha->flags.enable_lip_reset) {
1693 		ret = qla2x00_lip_reset(vha);
1694 		if (ret != QLA_SUCCESS)
1695 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1696 			    "lip_reset failed (%d).\n", ret);
1697 	}
1698 
1699 	/* Issue marker command only when we are going to start the I/O */
1700 	vha->marker_needed = 1;
1701 
1702 	return QLA_SUCCESS;
1703 }
1704 
1705 /*
1706  * The caller must ensure that no completion interrupts will happen
1707  * while this function is in progress.
1708  */
1709 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1710 			      unsigned long *flags)
1711 	__releases(qp->qp_lock_ptr)
1712 	__acquires(qp->qp_lock_ptr)
1713 {
1714 	DECLARE_COMPLETION_ONSTACK(comp);
1715 	scsi_qla_host_t *vha = qp->vha;
1716 	struct qla_hw_data *ha = vha->hw;
1717 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1718 	int rval;
1719 	bool ret_cmd;
1720 	uint32_t ratov_j;
1721 
1722 	lockdep_assert_held(qp->qp_lock_ptr);
1723 
1724 	if (qla2x00_chip_is_down(vha)) {
1725 		sp->done(sp, res);
1726 		return;
1727 	}
1728 
1729 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1730 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1731 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1732 	     !qla2x00_isp_reg_stat(ha))) {
1733 		if (sp->comp) {
1734 			sp->done(sp, res);
1735 			return;
1736 		}
1737 
1738 		sp->comp = &comp;
1739 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1740 
1741 		rval = ha->isp_ops->abort_command(sp);
1742 		/* Wait for command completion. */
1743 		ret_cmd = false;
1744 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1745 		ratov_j = msecs_to_jiffies(ratov_j);
1746 		switch (rval) {
1747 		case QLA_SUCCESS:
1748 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1749 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1750 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1751 				    __func__, ha->r_a_tov/10);
1752 				ret_cmd = true;
1753 			}
1754 			/* else FW return SP to driver */
1755 			break;
1756 		default:
1757 			ret_cmd = true;
1758 			break;
1759 		}
1760 
1761 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1762 		if (ret_cmd && blk_mq_request_started(cmd->request))
1763 			sp->done(sp, res);
1764 	} else {
1765 		sp->done(sp, res);
1766 	}
1767 }
1768 
1769 /*
1770  * The caller must ensure that no completion interrupts will happen
1771  * while this function is in progress.
1772  */
1773 static void
1774 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1775 {
1776 	int cnt;
1777 	unsigned long flags;
1778 	srb_t *sp;
1779 	scsi_qla_host_t *vha = qp->vha;
1780 	struct qla_hw_data *ha = vha->hw;
1781 	struct req_que *req;
1782 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1783 	struct qla_tgt_cmd *cmd;
1784 
1785 	if (!ha->req_q_map)
1786 		return;
1787 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1788 	req = qp->req;
1789 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1790 		sp = req->outstanding_cmds[cnt];
1791 		if (sp) {
1792 			switch (sp->cmd_type) {
1793 			case TYPE_SRB:
1794 				qla2x00_abort_srb(qp, sp, res, &flags);
1795 				break;
1796 			case TYPE_TGT_CMD:
1797 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1798 				    qla_ini_mode_enabled(vha)) {
1799 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1800 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1801 					    vha->dpc_flags);
1802 					continue;
1803 				}
1804 				cmd = (struct qla_tgt_cmd *)sp;
1805 				cmd->aborted = 1;
1806 				break;
1807 			case TYPE_TGT_TMCMD:
1808 				/* Skip task management functions. */
1809 				break;
1810 			default:
1811 				break;
1812 			}
1813 			req->outstanding_cmds[cnt] = NULL;
1814 		}
1815 	}
1816 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1817 }
1818 
1819 /*
1820  * The caller must ensure that no completion interrupts will happen
1821  * while this function is in progress.
1822  */
1823 void
1824 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1825 {
1826 	int que;
1827 	struct qla_hw_data *ha = vha->hw;
1828 
1829 	/* Continue only if initialization complete. */
1830 	if (!ha->base_qpair)
1831 		return;
1832 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1833 
1834 	if (!ha->queue_pair_map)
1835 		return;
1836 	for (que = 0; que < ha->max_qpairs; que++) {
1837 		if (!ha->queue_pair_map[que])
1838 			continue;
1839 
1840 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1841 	}
1842 }
1843 
1844 static int
1845 qla2xxx_slave_alloc(struct scsi_device *sdev)
1846 {
1847 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1848 
1849 	if (!rport || fc_remote_port_chkready(rport))
1850 		return -ENXIO;
1851 
1852 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1853 
1854 	return 0;
1855 }
1856 
1857 static int
1858 qla2xxx_slave_configure(struct scsi_device *sdev)
1859 {
1860 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1861 	struct req_que *req = vha->req;
1862 
1863 	if (IS_T10_PI_CAPABLE(vha->hw))
1864 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1865 
1866 	scsi_change_queue_depth(sdev, req->max_q_depth);
1867 	return 0;
1868 }
1869 
1870 static void
1871 qla2xxx_slave_destroy(struct scsi_device *sdev)
1872 {
1873 	sdev->hostdata = NULL;
1874 }
1875 
1876 /**
1877  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1878  * @ha: HA context
1879  *
1880  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1881  * supported addressing method.
1882  */
1883 static void
1884 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1885 {
1886 	/* Assume a 32bit DMA mask. */
1887 	ha->flags.enable_64bit_addressing = 0;
1888 
1889 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1890 		/* Any upper-dword bits set? */
1891 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1892 		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1893 			/* Ok, a 64bit DMA mask is applicable. */
1894 			ha->flags.enable_64bit_addressing = 1;
1895 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1896 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1897 			return;
1898 		}
1899 	}
1900 
1901 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1902 	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1903 }
1904 
1905 static void
1906 qla2x00_enable_intrs(struct qla_hw_data *ha)
1907 {
1908 	unsigned long flags = 0;
1909 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1910 
1911 	spin_lock_irqsave(&ha->hardware_lock, flags);
1912 	ha->interrupts_on = 1;
1913 	/* enable risc and host interrupts */
1914 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1915 	rd_reg_word(&reg->ictrl);
1916 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1917 
1918 }
1919 
1920 static void
1921 qla2x00_disable_intrs(struct qla_hw_data *ha)
1922 {
1923 	unsigned long flags = 0;
1924 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1925 
1926 	spin_lock_irqsave(&ha->hardware_lock, flags);
1927 	ha->interrupts_on = 0;
1928 	/* disable risc and host interrupts */
1929 	wrt_reg_word(&reg->ictrl, 0);
1930 	rd_reg_word(&reg->ictrl);
1931 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1932 }
1933 
1934 static void
1935 qla24xx_enable_intrs(struct qla_hw_data *ha)
1936 {
1937 	unsigned long flags = 0;
1938 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1939 
1940 	spin_lock_irqsave(&ha->hardware_lock, flags);
1941 	ha->interrupts_on = 1;
1942 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
1943 	rd_reg_dword(&reg->ictrl);
1944 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1945 }
1946 
1947 static void
1948 qla24xx_disable_intrs(struct qla_hw_data *ha)
1949 {
1950 	unsigned long flags = 0;
1951 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1952 
1953 	if (IS_NOPOLLING_TYPE(ha))
1954 		return;
1955 	spin_lock_irqsave(&ha->hardware_lock, flags);
1956 	ha->interrupts_on = 0;
1957 	wrt_reg_dword(&reg->ictrl, 0);
1958 	rd_reg_dword(&reg->ictrl);
1959 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1960 }
1961 
1962 static int
1963 qla2x00_iospace_config(struct qla_hw_data *ha)
1964 {
1965 	resource_size_t pio;
1966 	uint16_t msix;
1967 
1968 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1969 	    QLA2XXX_DRIVER_NAME)) {
1970 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1971 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1972 		    pci_name(ha->pdev));
1973 		goto iospace_error_exit;
1974 	}
1975 	if (!(ha->bars & 1))
1976 		goto skip_pio;
1977 
1978 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1979 	pio = pci_resource_start(ha->pdev, 0);
1980 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1981 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1982 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1983 			    "Invalid pci I/O region size (%s).\n",
1984 			    pci_name(ha->pdev));
1985 			pio = 0;
1986 		}
1987 	} else {
1988 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1989 		    "Region #0 no a PIO resource (%s).\n",
1990 		    pci_name(ha->pdev));
1991 		pio = 0;
1992 	}
1993 	ha->pio_address = pio;
1994 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1995 	    "PIO address=%llu.\n",
1996 	    (unsigned long long)ha->pio_address);
1997 
1998 skip_pio:
1999 	/* Use MMIO operations for all accesses. */
2000 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2001 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2002 		    "Region #1 not an MMIO resource (%s), aborting.\n",
2003 		    pci_name(ha->pdev));
2004 		goto iospace_error_exit;
2005 	}
2006 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2007 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2008 		    "Invalid PCI mem region size (%s), aborting.\n",
2009 		    pci_name(ha->pdev));
2010 		goto iospace_error_exit;
2011 	}
2012 
2013 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2014 	if (!ha->iobase) {
2015 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2016 		    "Cannot remap MMIO (%s), aborting.\n",
2017 		    pci_name(ha->pdev));
2018 		goto iospace_error_exit;
2019 	}
2020 
2021 	/* Determine queue resources */
2022 	ha->max_req_queues = ha->max_rsp_queues = 1;
2023 	ha->msix_count = QLA_BASE_VECTORS;
2024 
2025 	/* Check if FW supports MQ or not */
2026 	if (!(ha->fw_attributes & BIT_6))
2027 		goto mqiobase_exit;
2028 
2029 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2030 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2031 		goto mqiobase_exit;
2032 
2033 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2034 			pci_resource_len(ha->pdev, 3));
2035 	if (ha->mqiobase) {
2036 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2037 		    "MQIO Base=%p.\n", ha->mqiobase);
2038 		/* Read MSIX vector size of the board */
2039 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2040 		ha->msix_count = msix + 1;
2041 		/* Max queues are bounded by available msix vectors */
2042 		/* MB interrupt uses 1 vector */
2043 		ha->max_req_queues = ha->msix_count - 1;
2044 		ha->max_rsp_queues = ha->max_req_queues;
2045 		/* Queue pairs is the max value minus the base queue pair */
2046 		ha->max_qpairs = ha->max_rsp_queues - 1;
2047 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2048 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2049 
2050 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2051 		    "MSI-X vector count: %d.\n", ha->msix_count);
2052 	} else
2053 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2054 		    "BAR 3 not enabled.\n");
2055 
2056 mqiobase_exit:
2057 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2058 	    "MSIX Count: %d.\n", ha->msix_count);
2059 	return (0);
2060 
2061 iospace_error_exit:
2062 	return (-ENOMEM);
2063 }
2064 
2065 
2066 static int
2067 qla83xx_iospace_config(struct qla_hw_data *ha)
2068 {
2069 	uint16_t msix;
2070 
2071 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2072 	    QLA2XXX_DRIVER_NAME)) {
2073 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2074 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2075 		    pci_name(ha->pdev));
2076 
2077 		goto iospace_error_exit;
2078 	}
2079 
2080 	/* Use MMIO operations for all accesses. */
2081 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2082 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2083 		    "Invalid pci I/O region size (%s).\n",
2084 		    pci_name(ha->pdev));
2085 		goto iospace_error_exit;
2086 	}
2087 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2088 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2089 		    "Invalid PCI mem region size (%s), aborting\n",
2090 			pci_name(ha->pdev));
2091 		goto iospace_error_exit;
2092 	}
2093 
2094 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2095 	if (!ha->iobase) {
2096 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2097 		    "Cannot remap MMIO (%s), aborting.\n",
2098 		    pci_name(ha->pdev));
2099 		goto iospace_error_exit;
2100 	}
2101 
2102 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2103 	/* 83XX 26XX always use MQ type access for queues
2104 	 * - mbar 2, a.k.a region 4 */
2105 	ha->max_req_queues = ha->max_rsp_queues = 1;
2106 	ha->msix_count = QLA_BASE_VECTORS;
2107 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2108 			pci_resource_len(ha->pdev, 4));
2109 
2110 	if (!ha->mqiobase) {
2111 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2112 		    "BAR2/region4 not enabled\n");
2113 		goto mqiobase_exit;
2114 	}
2115 
2116 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2117 			pci_resource_len(ha->pdev, 2));
2118 	if (ha->msixbase) {
2119 		/* Read MSIX vector size of the board */
2120 		pci_read_config_word(ha->pdev,
2121 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2122 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2123 		/*
2124 		 * By default, driver uses at least two msix vectors
2125 		 * (default & rspq)
2126 		 */
2127 		if (ql2xmqsupport || ql2xnvmeenable) {
2128 			/* MB interrupt uses 1 vector */
2129 			ha->max_req_queues = ha->msix_count - 1;
2130 
2131 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2132 			if (QLA_TGT_MODE_ENABLED())
2133 				ha->max_req_queues--;
2134 
2135 			ha->max_rsp_queues = ha->max_req_queues;
2136 
2137 			/* Queue pairs is the max value minus
2138 			 * the base queue pair */
2139 			ha->max_qpairs = ha->max_req_queues - 1;
2140 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2141 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2142 		}
2143 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2144 		    "MSI-X vector count: %d.\n", ha->msix_count);
2145 	} else
2146 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2147 		    "BAR 1 not enabled.\n");
2148 
2149 mqiobase_exit:
2150 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2151 	    "MSIX Count: %d.\n", ha->msix_count);
2152 	return 0;
2153 
2154 iospace_error_exit:
2155 	return -ENOMEM;
2156 }
2157 
2158 static struct isp_operations qla2100_isp_ops = {
2159 	.pci_config		= qla2100_pci_config,
2160 	.reset_chip		= qla2x00_reset_chip,
2161 	.chip_diag		= qla2x00_chip_diag,
2162 	.config_rings		= qla2x00_config_rings,
2163 	.reset_adapter		= qla2x00_reset_adapter,
2164 	.nvram_config		= qla2x00_nvram_config,
2165 	.update_fw_options	= qla2x00_update_fw_options,
2166 	.load_risc		= qla2x00_load_risc,
2167 	.pci_info_str		= qla2x00_pci_info_str,
2168 	.fw_version_str		= qla2x00_fw_version_str,
2169 	.intr_handler		= qla2100_intr_handler,
2170 	.enable_intrs		= qla2x00_enable_intrs,
2171 	.disable_intrs		= qla2x00_disable_intrs,
2172 	.abort_command		= qla2x00_abort_command,
2173 	.target_reset		= qla2x00_abort_target,
2174 	.lun_reset		= qla2x00_lun_reset,
2175 	.fabric_login		= qla2x00_login_fabric,
2176 	.fabric_logout		= qla2x00_fabric_logout,
2177 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2178 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2179 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2180 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2181 	.read_nvram		= qla2x00_read_nvram_data,
2182 	.write_nvram		= qla2x00_write_nvram_data,
2183 	.fw_dump		= qla2100_fw_dump,
2184 	.beacon_on		= NULL,
2185 	.beacon_off		= NULL,
2186 	.beacon_blink		= NULL,
2187 	.read_optrom		= qla2x00_read_optrom_data,
2188 	.write_optrom		= qla2x00_write_optrom_data,
2189 	.get_flash_version	= qla2x00_get_flash_version,
2190 	.start_scsi		= qla2x00_start_scsi,
2191 	.start_scsi_mq          = NULL,
2192 	.abort_isp		= qla2x00_abort_isp,
2193 	.iospace_config     	= qla2x00_iospace_config,
2194 	.initialize_adapter	= qla2x00_initialize_adapter,
2195 };
2196 
2197 static struct isp_operations qla2300_isp_ops = {
2198 	.pci_config		= qla2300_pci_config,
2199 	.reset_chip		= qla2x00_reset_chip,
2200 	.chip_diag		= qla2x00_chip_diag,
2201 	.config_rings		= qla2x00_config_rings,
2202 	.reset_adapter		= qla2x00_reset_adapter,
2203 	.nvram_config		= qla2x00_nvram_config,
2204 	.update_fw_options	= qla2x00_update_fw_options,
2205 	.load_risc		= qla2x00_load_risc,
2206 	.pci_info_str		= qla2x00_pci_info_str,
2207 	.fw_version_str		= qla2x00_fw_version_str,
2208 	.intr_handler		= qla2300_intr_handler,
2209 	.enable_intrs		= qla2x00_enable_intrs,
2210 	.disable_intrs		= qla2x00_disable_intrs,
2211 	.abort_command		= qla2x00_abort_command,
2212 	.target_reset		= qla2x00_abort_target,
2213 	.lun_reset		= qla2x00_lun_reset,
2214 	.fabric_login		= qla2x00_login_fabric,
2215 	.fabric_logout		= qla2x00_fabric_logout,
2216 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2217 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2218 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2219 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2220 	.read_nvram		= qla2x00_read_nvram_data,
2221 	.write_nvram		= qla2x00_write_nvram_data,
2222 	.fw_dump		= qla2300_fw_dump,
2223 	.beacon_on		= qla2x00_beacon_on,
2224 	.beacon_off		= qla2x00_beacon_off,
2225 	.beacon_blink		= qla2x00_beacon_blink,
2226 	.read_optrom		= qla2x00_read_optrom_data,
2227 	.write_optrom		= qla2x00_write_optrom_data,
2228 	.get_flash_version	= qla2x00_get_flash_version,
2229 	.start_scsi		= qla2x00_start_scsi,
2230 	.start_scsi_mq          = NULL,
2231 	.abort_isp		= qla2x00_abort_isp,
2232 	.iospace_config		= qla2x00_iospace_config,
2233 	.initialize_adapter	= qla2x00_initialize_adapter,
2234 };
2235 
2236 static struct isp_operations qla24xx_isp_ops = {
2237 	.pci_config		= qla24xx_pci_config,
2238 	.reset_chip		= qla24xx_reset_chip,
2239 	.chip_diag		= qla24xx_chip_diag,
2240 	.config_rings		= qla24xx_config_rings,
2241 	.reset_adapter		= qla24xx_reset_adapter,
2242 	.nvram_config		= qla24xx_nvram_config,
2243 	.update_fw_options	= qla24xx_update_fw_options,
2244 	.load_risc		= qla24xx_load_risc,
2245 	.pci_info_str		= qla24xx_pci_info_str,
2246 	.fw_version_str		= qla24xx_fw_version_str,
2247 	.intr_handler		= qla24xx_intr_handler,
2248 	.enable_intrs		= qla24xx_enable_intrs,
2249 	.disable_intrs		= qla24xx_disable_intrs,
2250 	.abort_command		= qla24xx_abort_command,
2251 	.target_reset		= qla24xx_abort_target,
2252 	.lun_reset		= qla24xx_lun_reset,
2253 	.fabric_login		= qla24xx_login_fabric,
2254 	.fabric_logout		= qla24xx_fabric_logout,
2255 	.calc_req_entries	= NULL,
2256 	.build_iocbs		= NULL,
2257 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2258 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2259 	.read_nvram		= qla24xx_read_nvram_data,
2260 	.write_nvram		= qla24xx_write_nvram_data,
2261 	.fw_dump		= qla24xx_fw_dump,
2262 	.beacon_on		= qla24xx_beacon_on,
2263 	.beacon_off		= qla24xx_beacon_off,
2264 	.beacon_blink		= qla24xx_beacon_blink,
2265 	.read_optrom		= qla24xx_read_optrom_data,
2266 	.write_optrom		= qla24xx_write_optrom_data,
2267 	.get_flash_version	= qla24xx_get_flash_version,
2268 	.start_scsi		= qla24xx_start_scsi,
2269 	.start_scsi_mq          = NULL,
2270 	.abort_isp		= qla2x00_abort_isp,
2271 	.iospace_config		= qla2x00_iospace_config,
2272 	.initialize_adapter	= qla2x00_initialize_adapter,
2273 };
2274 
2275 static struct isp_operations qla25xx_isp_ops = {
2276 	.pci_config		= qla25xx_pci_config,
2277 	.reset_chip		= qla24xx_reset_chip,
2278 	.chip_diag		= qla24xx_chip_diag,
2279 	.config_rings		= qla24xx_config_rings,
2280 	.reset_adapter		= qla24xx_reset_adapter,
2281 	.nvram_config		= qla24xx_nvram_config,
2282 	.update_fw_options	= qla24xx_update_fw_options,
2283 	.load_risc		= qla24xx_load_risc,
2284 	.pci_info_str		= qla24xx_pci_info_str,
2285 	.fw_version_str		= qla24xx_fw_version_str,
2286 	.intr_handler		= qla24xx_intr_handler,
2287 	.enable_intrs		= qla24xx_enable_intrs,
2288 	.disable_intrs		= qla24xx_disable_intrs,
2289 	.abort_command		= qla24xx_abort_command,
2290 	.target_reset		= qla24xx_abort_target,
2291 	.lun_reset		= qla24xx_lun_reset,
2292 	.fabric_login		= qla24xx_login_fabric,
2293 	.fabric_logout		= qla24xx_fabric_logout,
2294 	.calc_req_entries	= NULL,
2295 	.build_iocbs		= NULL,
2296 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2297 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2298 	.read_nvram		= qla25xx_read_nvram_data,
2299 	.write_nvram		= qla25xx_write_nvram_data,
2300 	.fw_dump		= qla25xx_fw_dump,
2301 	.beacon_on		= qla24xx_beacon_on,
2302 	.beacon_off		= qla24xx_beacon_off,
2303 	.beacon_blink		= qla24xx_beacon_blink,
2304 	.read_optrom		= qla25xx_read_optrom_data,
2305 	.write_optrom		= qla24xx_write_optrom_data,
2306 	.get_flash_version	= qla24xx_get_flash_version,
2307 	.start_scsi		= qla24xx_dif_start_scsi,
2308 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2309 	.abort_isp		= qla2x00_abort_isp,
2310 	.iospace_config		= qla2x00_iospace_config,
2311 	.initialize_adapter	= qla2x00_initialize_adapter,
2312 };
2313 
2314 static struct isp_operations qla81xx_isp_ops = {
2315 	.pci_config		= qla25xx_pci_config,
2316 	.reset_chip		= qla24xx_reset_chip,
2317 	.chip_diag		= qla24xx_chip_diag,
2318 	.config_rings		= qla24xx_config_rings,
2319 	.reset_adapter		= qla24xx_reset_adapter,
2320 	.nvram_config		= qla81xx_nvram_config,
2321 	.update_fw_options	= qla24xx_update_fw_options,
2322 	.load_risc		= qla81xx_load_risc,
2323 	.pci_info_str		= qla24xx_pci_info_str,
2324 	.fw_version_str		= qla24xx_fw_version_str,
2325 	.intr_handler		= qla24xx_intr_handler,
2326 	.enable_intrs		= qla24xx_enable_intrs,
2327 	.disable_intrs		= qla24xx_disable_intrs,
2328 	.abort_command		= qla24xx_abort_command,
2329 	.target_reset		= qla24xx_abort_target,
2330 	.lun_reset		= qla24xx_lun_reset,
2331 	.fabric_login		= qla24xx_login_fabric,
2332 	.fabric_logout		= qla24xx_fabric_logout,
2333 	.calc_req_entries	= NULL,
2334 	.build_iocbs		= NULL,
2335 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2336 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2337 	.read_nvram		= NULL,
2338 	.write_nvram		= NULL,
2339 	.fw_dump		= qla81xx_fw_dump,
2340 	.beacon_on		= qla24xx_beacon_on,
2341 	.beacon_off		= qla24xx_beacon_off,
2342 	.beacon_blink		= qla83xx_beacon_blink,
2343 	.read_optrom		= qla25xx_read_optrom_data,
2344 	.write_optrom		= qla24xx_write_optrom_data,
2345 	.get_flash_version	= qla24xx_get_flash_version,
2346 	.start_scsi		= qla24xx_dif_start_scsi,
2347 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2348 	.abort_isp		= qla2x00_abort_isp,
2349 	.iospace_config		= qla2x00_iospace_config,
2350 	.initialize_adapter	= qla2x00_initialize_adapter,
2351 };
2352 
2353 static struct isp_operations qla82xx_isp_ops = {
2354 	.pci_config		= qla82xx_pci_config,
2355 	.reset_chip		= qla82xx_reset_chip,
2356 	.chip_diag		= qla24xx_chip_diag,
2357 	.config_rings		= qla82xx_config_rings,
2358 	.reset_adapter		= qla24xx_reset_adapter,
2359 	.nvram_config		= qla81xx_nvram_config,
2360 	.update_fw_options	= qla24xx_update_fw_options,
2361 	.load_risc		= qla82xx_load_risc,
2362 	.pci_info_str		= qla24xx_pci_info_str,
2363 	.fw_version_str		= qla24xx_fw_version_str,
2364 	.intr_handler		= qla82xx_intr_handler,
2365 	.enable_intrs		= qla82xx_enable_intrs,
2366 	.disable_intrs		= qla82xx_disable_intrs,
2367 	.abort_command		= qla24xx_abort_command,
2368 	.target_reset		= qla24xx_abort_target,
2369 	.lun_reset		= qla24xx_lun_reset,
2370 	.fabric_login		= qla24xx_login_fabric,
2371 	.fabric_logout		= qla24xx_fabric_logout,
2372 	.calc_req_entries	= NULL,
2373 	.build_iocbs		= NULL,
2374 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2375 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2376 	.read_nvram		= qla24xx_read_nvram_data,
2377 	.write_nvram		= qla24xx_write_nvram_data,
2378 	.fw_dump		= qla82xx_fw_dump,
2379 	.beacon_on		= qla82xx_beacon_on,
2380 	.beacon_off		= qla82xx_beacon_off,
2381 	.beacon_blink		= NULL,
2382 	.read_optrom		= qla82xx_read_optrom_data,
2383 	.write_optrom		= qla82xx_write_optrom_data,
2384 	.get_flash_version	= qla82xx_get_flash_version,
2385 	.start_scsi             = qla82xx_start_scsi,
2386 	.start_scsi_mq          = NULL,
2387 	.abort_isp		= qla82xx_abort_isp,
2388 	.iospace_config     	= qla82xx_iospace_config,
2389 	.initialize_adapter	= qla2x00_initialize_adapter,
2390 };
2391 
2392 static struct isp_operations qla8044_isp_ops = {
2393 	.pci_config		= qla82xx_pci_config,
2394 	.reset_chip		= qla82xx_reset_chip,
2395 	.chip_diag		= qla24xx_chip_diag,
2396 	.config_rings		= qla82xx_config_rings,
2397 	.reset_adapter		= qla24xx_reset_adapter,
2398 	.nvram_config		= qla81xx_nvram_config,
2399 	.update_fw_options	= qla24xx_update_fw_options,
2400 	.load_risc		= qla82xx_load_risc,
2401 	.pci_info_str		= qla24xx_pci_info_str,
2402 	.fw_version_str		= qla24xx_fw_version_str,
2403 	.intr_handler		= qla8044_intr_handler,
2404 	.enable_intrs		= qla82xx_enable_intrs,
2405 	.disable_intrs		= qla82xx_disable_intrs,
2406 	.abort_command		= qla24xx_abort_command,
2407 	.target_reset		= qla24xx_abort_target,
2408 	.lun_reset		= qla24xx_lun_reset,
2409 	.fabric_login		= qla24xx_login_fabric,
2410 	.fabric_logout		= qla24xx_fabric_logout,
2411 	.calc_req_entries	= NULL,
2412 	.build_iocbs		= NULL,
2413 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2414 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2415 	.read_nvram		= NULL,
2416 	.write_nvram		= NULL,
2417 	.fw_dump		= qla8044_fw_dump,
2418 	.beacon_on		= qla82xx_beacon_on,
2419 	.beacon_off		= qla82xx_beacon_off,
2420 	.beacon_blink		= NULL,
2421 	.read_optrom		= qla8044_read_optrom_data,
2422 	.write_optrom		= qla8044_write_optrom_data,
2423 	.get_flash_version	= qla82xx_get_flash_version,
2424 	.start_scsi             = qla82xx_start_scsi,
2425 	.start_scsi_mq          = NULL,
2426 	.abort_isp		= qla8044_abort_isp,
2427 	.iospace_config		= qla82xx_iospace_config,
2428 	.initialize_adapter	= qla2x00_initialize_adapter,
2429 };
2430 
2431 static struct isp_operations qla83xx_isp_ops = {
2432 	.pci_config		= qla25xx_pci_config,
2433 	.reset_chip		= qla24xx_reset_chip,
2434 	.chip_diag		= qla24xx_chip_diag,
2435 	.config_rings		= qla24xx_config_rings,
2436 	.reset_adapter		= qla24xx_reset_adapter,
2437 	.nvram_config		= qla81xx_nvram_config,
2438 	.update_fw_options	= qla24xx_update_fw_options,
2439 	.load_risc		= qla81xx_load_risc,
2440 	.pci_info_str		= qla24xx_pci_info_str,
2441 	.fw_version_str		= qla24xx_fw_version_str,
2442 	.intr_handler		= qla24xx_intr_handler,
2443 	.enable_intrs		= qla24xx_enable_intrs,
2444 	.disable_intrs		= qla24xx_disable_intrs,
2445 	.abort_command		= qla24xx_abort_command,
2446 	.target_reset		= qla24xx_abort_target,
2447 	.lun_reset		= qla24xx_lun_reset,
2448 	.fabric_login		= qla24xx_login_fabric,
2449 	.fabric_logout		= qla24xx_fabric_logout,
2450 	.calc_req_entries	= NULL,
2451 	.build_iocbs		= NULL,
2452 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2453 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2454 	.read_nvram		= NULL,
2455 	.write_nvram		= NULL,
2456 	.fw_dump		= qla83xx_fw_dump,
2457 	.beacon_on		= qla24xx_beacon_on,
2458 	.beacon_off		= qla24xx_beacon_off,
2459 	.beacon_blink		= qla83xx_beacon_blink,
2460 	.read_optrom		= qla25xx_read_optrom_data,
2461 	.write_optrom		= qla24xx_write_optrom_data,
2462 	.get_flash_version	= qla24xx_get_flash_version,
2463 	.start_scsi		= qla24xx_dif_start_scsi,
2464 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2465 	.abort_isp		= qla2x00_abort_isp,
2466 	.iospace_config		= qla83xx_iospace_config,
2467 	.initialize_adapter	= qla2x00_initialize_adapter,
2468 };
2469 
2470 static struct isp_operations qlafx00_isp_ops = {
2471 	.pci_config		= qlafx00_pci_config,
2472 	.reset_chip		= qlafx00_soft_reset,
2473 	.chip_diag		= qlafx00_chip_diag,
2474 	.config_rings		= qlafx00_config_rings,
2475 	.reset_adapter		= qlafx00_soft_reset,
2476 	.nvram_config		= NULL,
2477 	.update_fw_options	= NULL,
2478 	.load_risc		= NULL,
2479 	.pci_info_str		= qlafx00_pci_info_str,
2480 	.fw_version_str		= qlafx00_fw_version_str,
2481 	.intr_handler		= qlafx00_intr_handler,
2482 	.enable_intrs		= qlafx00_enable_intrs,
2483 	.disable_intrs		= qlafx00_disable_intrs,
2484 	.abort_command		= qla24xx_async_abort_command,
2485 	.target_reset		= qlafx00_abort_target,
2486 	.lun_reset		= qlafx00_lun_reset,
2487 	.fabric_login		= NULL,
2488 	.fabric_logout		= NULL,
2489 	.calc_req_entries	= NULL,
2490 	.build_iocbs		= NULL,
2491 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2492 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2493 	.read_nvram		= qla24xx_read_nvram_data,
2494 	.write_nvram		= qla24xx_write_nvram_data,
2495 	.fw_dump		= NULL,
2496 	.beacon_on		= qla24xx_beacon_on,
2497 	.beacon_off		= qla24xx_beacon_off,
2498 	.beacon_blink		= NULL,
2499 	.read_optrom		= qla24xx_read_optrom_data,
2500 	.write_optrom		= qla24xx_write_optrom_data,
2501 	.get_flash_version	= qla24xx_get_flash_version,
2502 	.start_scsi		= qlafx00_start_scsi,
2503 	.start_scsi_mq          = NULL,
2504 	.abort_isp		= qlafx00_abort_isp,
2505 	.iospace_config		= qlafx00_iospace_config,
2506 	.initialize_adapter	= qlafx00_initialize_adapter,
2507 };
2508 
2509 static struct isp_operations qla27xx_isp_ops = {
2510 	.pci_config		= qla25xx_pci_config,
2511 	.reset_chip		= qla24xx_reset_chip,
2512 	.chip_diag		= qla24xx_chip_diag,
2513 	.config_rings		= qla24xx_config_rings,
2514 	.reset_adapter		= qla24xx_reset_adapter,
2515 	.nvram_config		= qla81xx_nvram_config,
2516 	.update_fw_options	= qla24xx_update_fw_options,
2517 	.load_risc		= qla81xx_load_risc,
2518 	.pci_info_str		= qla24xx_pci_info_str,
2519 	.fw_version_str		= qla24xx_fw_version_str,
2520 	.intr_handler		= qla24xx_intr_handler,
2521 	.enable_intrs		= qla24xx_enable_intrs,
2522 	.disable_intrs		= qla24xx_disable_intrs,
2523 	.abort_command		= qla24xx_abort_command,
2524 	.target_reset		= qla24xx_abort_target,
2525 	.lun_reset		= qla24xx_lun_reset,
2526 	.fabric_login		= qla24xx_login_fabric,
2527 	.fabric_logout		= qla24xx_fabric_logout,
2528 	.calc_req_entries	= NULL,
2529 	.build_iocbs		= NULL,
2530 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2531 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2532 	.read_nvram		= NULL,
2533 	.write_nvram		= NULL,
2534 	.fw_dump		= qla27xx_fwdump,
2535 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2536 	.beacon_on		= qla24xx_beacon_on,
2537 	.beacon_off		= qla24xx_beacon_off,
2538 	.beacon_blink		= qla83xx_beacon_blink,
2539 	.read_optrom		= qla25xx_read_optrom_data,
2540 	.write_optrom		= qla24xx_write_optrom_data,
2541 	.get_flash_version	= qla24xx_get_flash_version,
2542 	.start_scsi		= qla24xx_dif_start_scsi,
2543 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2544 	.abort_isp		= qla2x00_abort_isp,
2545 	.iospace_config		= qla83xx_iospace_config,
2546 	.initialize_adapter	= qla2x00_initialize_adapter,
2547 };
2548 
2549 static inline void
2550 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2551 {
2552 	ha->device_type = DT_EXTENDED_IDS;
2553 	switch (ha->pdev->device) {
2554 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2555 		ha->isp_type |= DT_ISP2100;
2556 		ha->device_type &= ~DT_EXTENDED_IDS;
2557 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2558 		break;
2559 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2560 		ha->isp_type |= DT_ISP2200;
2561 		ha->device_type &= ~DT_EXTENDED_IDS;
2562 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2563 		break;
2564 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2565 		ha->isp_type |= DT_ISP2300;
2566 		ha->device_type |= DT_ZIO_SUPPORTED;
2567 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2568 		break;
2569 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2570 		ha->isp_type |= DT_ISP2312;
2571 		ha->device_type |= DT_ZIO_SUPPORTED;
2572 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2573 		break;
2574 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2575 		ha->isp_type |= DT_ISP2322;
2576 		ha->device_type |= DT_ZIO_SUPPORTED;
2577 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2578 		    ha->pdev->subsystem_device == 0x0170)
2579 			ha->device_type |= DT_OEM_001;
2580 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2581 		break;
2582 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2583 		ha->isp_type |= DT_ISP6312;
2584 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2585 		break;
2586 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2587 		ha->isp_type |= DT_ISP6322;
2588 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2589 		break;
2590 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2591 		ha->isp_type |= DT_ISP2422;
2592 		ha->device_type |= DT_ZIO_SUPPORTED;
2593 		ha->device_type |= DT_FWI2;
2594 		ha->device_type |= DT_IIDMA;
2595 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2596 		break;
2597 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2598 		ha->isp_type |= DT_ISP2432;
2599 		ha->device_type |= DT_ZIO_SUPPORTED;
2600 		ha->device_type |= DT_FWI2;
2601 		ha->device_type |= DT_IIDMA;
2602 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2603 		break;
2604 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2605 		ha->isp_type |= DT_ISP8432;
2606 		ha->device_type |= DT_ZIO_SUPPORTED;
2607 		ha->device_type |= DT_FWI2;
2608 		ha->device_type |= DT_IIDMA;
2609 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2610 		break;
2611 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2612 		ha->isp_type |= DT_ISP5422;
2613 		ha->device_type |= DT_FWI2;
2614 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2615 		break;
2616 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2617 		ha->isp_type |= DT_ISP5432;
2618 		ha->device_type |= DT_FWI2;
2619 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2620 		break;
2621 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2622 		ha->isp_type |= DT_ISP2532;
2623 		ha->device_type |= DT_ZIO_SUPPORTED;
2624 		ha->device_type |= DT_FWI2;
2625 		ha->device_type |= DT_IIDMA;
2626 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2627 		break;
2628 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2629 		ha->isp_type |= DT_ISP8001;
2630 		ha->device_type |= DT_ZIO_SUPPORTED;
2631 		ha->device_type |= DT_FWI2;
2632 		ha->device_type |= DT_IIDMA;
2633 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2634 		break;
2635 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2636 		ha->isp_type |= DT_ISP8021;
2637 		ha->device_type |= DT_ZIO_SUPPORTED;
2638 		ha->device_type |= DT_FWI2;
2639 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2640 		/* Initialize 82XX ISP flags */
2641 		qla82xx_init_flags(ha);
2642 		break;
2643 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2644 		ha->isp_type |= DT_ISP8044;
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_ISP2031:
2652 		ha->isp_type |= DT_ISP2031;
2653 		ha->device_type |= DT_ZIO_SUPPORTED;
2654 		ha->device_type |= DT_FWI2;
2655 		ha->device_type |= DT_IIDMA;
2656 		ha->device_type |= DT_T10_PI;
2657 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2658 		break;
2659 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2660 		ha->isp_type |= DT_ISP8031;
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_ISPF001:
2668 		ha->isp_type |= DT_ISPFX00;
2669 		break;
2670 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2671 		ha->isp_type |= DT_ISP2071;
2672 		ha->device_type |= DT_ZIO_SUPPORTED;
2673 		ha->device_type |= DT_FWI2;
2674 		ha->device_type |= DT_IIDMA;
2675 		ha->device_type |= DT_T10_PI;
2676 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2677 		break;
2678 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2679 		ha->isp_type |= DT_ISP2271;
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_ISP2261:
2687 		ha->isp_type |= DT_ISP2261;
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_ISP2081:
2695 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2696 		ha->isp_type |= DT_ISP2081;
2697 		ha->device_type |= DT_ZIO_SUPPORTED;
2698 		ha->device_type |= DT_FWI2;
2699 		ha->device_type |= DT_IIDMA;
2700 		ha->device_type |= DT_T10_PI;
2701 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2702 		break;
2703 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2704 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2705 		ha->isp_type |= DT_ISP2281;
2706 		ha->device_type |= DT_ZIO_SUPPORTED;
2707 		ha->device_type |= DT_FWI2;
2708 		ha->device_type |= DT_IIDMA;
2709 		ha->device_type |= DT_T10_PI;
2710 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2711 		break;
2712 	}
2713 
2714 	if (IS_QLA82XX(ha))
2715 		ha->port_no = ha->portnum & 1;
2716 	else {
2717 		/* Get adapter physical port no from interrupt pin register. */
2718 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2719 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2720 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2721 			ha->port_no--;
2722 		else
2723 			ha->port_no = !(ha->port_no & 1);
2724 	}
2725 
2726 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2727 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2728 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2729 }
2730 
2731 static void
2732 qla2xxx_scan_start(struct Scsi_Host *shost)
2733 {
2734 	scsi_qla_host_t *vha = shost_priv(shost);
2735 
2736 	if (vha->hw->flags.running_gold_fw)
2737 		return;
2738 
2739 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2740 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2741 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2742 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2743 }
2744 
2745 static int
2746 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2747 {
2748 	scsi_qla_host_t *vha = shost_priv(shost);
2749 
2750 	if (test_bit(UNLOADING, &vha->dpc_flags))
2751 		return 1;
2752 	if (!vha->host)
2753 		return 1;
2754 	if (time > vha->hw->loop_reset_delay * HZ)
2755 		return 1;
2756 
2757 	return atomic_read(&vha->loop_state) == LOOP_READY;
2758 }
2759 
2760 static void qla2x00_iocb_work_fn(struct work_struct *work)
2761 {
2762 	struct scsi_qla_host *vha = container_of(work,
2763 		struct scsi_qla_host, iocb_work);
2764 	struct qla_hw_data *ha = vha->hw;
2765 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2766 	int i = 2;
2767 	unsigned long flags;
2768 
2769 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2770 		return;
2771 
2772 	while (!list_empty(&vha->work_list) && i > 0) {
2773 		qla2x00_do_work(vha);
2774 		i--;
2775 	}
2776 
2777 	spin_lock_irqsave(&vha->work_lock, flags);
2778 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2779 	spin_unlock_irqrestore(&vha->work_lock, flags);
2780 }
2781 
2782 /*
2783  * PCI driver interface
2784  */
2785 static int
2786 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2787 {
2788 	int	ret = -ENODEV;
2789 	struct Scsi_Host *host;
2790 	scsi_qla_host_t *base_vha = NULL;
2791 	struct qla_hw_data *ha;
2792 	char pci_info[30];
2793 	char fw_str[30], wq_name[30];
2794 	struct scsi_host_template *sht;
2795 	int bars, mem_only = 0;
2796 	uint16_t req_length = 0, rsp_length = 0;
2797 	struct req_que *req = NULL;
2798 	struct rsp_que *rsp = NULL;
2799 	int i;
2800 
2801 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2802 	sht = &qla2xxx_driver_template;
2803 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2804 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2805 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2806 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2807 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2808 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2809 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2810 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2811 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2812 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2813 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2814 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2815 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2816 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2817 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2818 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2819 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2820 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2821 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2822 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2823 		mem_only = 1;
2824 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2825 		    "Mem only adapter.\n");
2826 	}
2827 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2828 	    "Bars=%d.\n", bars);
2829 
2830 	if (mem_only) {
2831 		if (pci_enable_device_mem(pdev))
2832 			return ret;
2833 	} else {
2834 		if (pci_enable_device(pdev))
2835 			return ret;
2836 	}
2837 
2838 	/* This may fail but that's ok */
2839 	pci_enable_pcie_error_reporting(pdev);
2840 
2841 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2842 	if (!ha) {
2843 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2844 		    "Unable to allocate memory for ha.\n");
2845 		goto disable_device;
2846 	}
2847 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2848 	    "Memory allocated for ha=%p.\n", ha);
2849 	ha->pdev = pdev;
2850 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2851 	spin_lock_init(&ha->tgt.q_full_lock);
2852 	spin_lock_init(&ha->tgt.sess_lock);
2853 	spin_lock_init(&ha->tgt.atio_lock);
2854 
2855 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2856 
2857 	/* Clear our data area */
2858 	ha->bars = bars;
2859 	ha->mem_only = mem_only;
2860 	spin_lock_init(&ha->hardware_lock);
2861 	spin_lock_init(&ha->vport_slock);
2862 	mutex_init(&ha->selflogin_lock);
2863 	mutex_init(&ha->optrom_mutex);
2864 
2865 	/* Set ISP-type information. */
2866 	qla2x00_set_isp_flags(ha);
2867 
2868 	/* Set EEH reset type to fundamental if required by hba */
2869 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2870 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2871 		pdev->needs_freset = 1;
2872 
2873 	ha->prev_topology = 0;
2874 	ha->init_cb_size = sizeof(init_cb_t);
2875 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2876 	ha->optrom_size = OPTROM_SIZE_2300;
2877 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2878 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2879 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2880 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2881 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2882 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2883 
2884 	/* Assign ISP specific operations. */
2885 	if (IS_QLA2100(ha)) {
2886 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2887 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2888 		req_length = REQUEST_ENTRY_CNT_2100;
2889 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2890 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2891 		ha->gid_list_info_size = 4;
2892 		ha->flash_conf_off = ~0;
2893 		ha->flash_data_off = ~0;
2894 		ha->nvram_conf_off = ~0;
2895 		ha->nvram_data_off = ~0;
2896 		ha->isp_ops = &qla2100_isp_ops;
2897 	} else if (IS_QLA2200(ha)) {
2898 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2899 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2900 		req_length = REQUEST_ENTRY_CNT_2200;
2901 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2902 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2903 		ha->gid_list_info_size = 4;
2904 		ha->flash_conf_off = ~0;
2905 		ha->flash_data_off = ~0;
2906 		ha->nvram_conf_off = ~0;
2907 		ha->nvram_data_off = ~0;
2908 		ha->isp_ops = &qla2100_isp_ops;
2909 	} else if (IS_QLA23XX(ha)) {
2910 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2911 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2912 		req_length = REQUEST_ENTRY_CNT_2200;
2913 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2914 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2915 		ha->gid_list_info_size = 6;
2916 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2917 			ha->optrom_size = OPTROM_SIZE_2322;
2918 		ha->flash_conf_off = ~0;
2919 		ha->flash_data_off = ~0;
2920 		ha->nvram_conf_off = ~0;
2921 		ha->nvram_data_off = ~0;
2922 		ha->isp_ops = &qla2300_isp_ops;
2923 	} else if (IS_QLA24XX_TYPE(ha)) {
2924 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2925 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2926 		req_length = REQUEST_ENTRY_CNT_24XX;
2927 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2928 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2929 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2930 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2931 		ha->gid_list_info_size = 8;
2932 		ha->optrom_size = OPTROM_SIZE_24XX;
2933 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2934 		ha->isp_ops = &qla24xx_isp_ops;
2935 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2936 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2937 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2938 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2939 	} else if (IS_QLA25XX(ha)) {
2940 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2941 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2942 		req_length = REQUEST_ENTRY_CNT_24XX;
2943 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2944 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2945 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2946 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2947 		ha->gid_list_info_size = 8;
2948 		ha->optrom_size = OPTROM_SIZE_25XX;
2949 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2950 		ha->isp_ops = &qla25xx_isp_ops;
2951 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2952 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2953 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2954 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2955 	} else if (IS_QLA81XX(ha)) {
2956 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2957 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2958 		req_length = REQUEST_ENTRY_CNT_24XX;
2959 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2960 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2961 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2962 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2963 		ha->gid_list_info_size = 8;
2964 		ha->optrom_size = OPTROM_SIZE_81XX;
2965 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2966 		ha->isp_ops = &qla81xx_isp_ops;
2967 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2968 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2969 		ha->nvram_conf_off = ~0;
2970 		ha->nvram_data_off = ~0;
2971 	} else if (IS_QLA82XX(ha)) {
2972 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2973 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2974 		req_length = REQUEST_ENTRY_CNT_82XX;
2975 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2976 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2977 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2978 		ha->gid_list_info_size = 8;
2979 		ha->optrom_size = OPTROM_SIZE_82XX;
2980 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2981 		ha->isp_ops = &qla82xx_isp_ops;
2982 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2983 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2984 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2985 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2986 	} else if (IS_QLA8044(ha)) {
2987 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2988 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2989 		req_length = REQUEST_ENTRY_CNT_82XX;
2990 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2991 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2992 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2993 		ha->gid_list_info_size = 8;
2994 		ha->optrom_size = OPTROM_SIZE_83XX;
2995 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2996 		ha->isp_ops = &qla8044_isp_ops;
2997 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2998 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2999 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3000 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3001 	} else if (IS_QLA83XX(ha)) {
3002 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3003 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3004 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3005 		req_length = REQUEST_ENTRY_CNT_83XX;
3006 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3007 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3008 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3009 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3010 		ha->gid_list_info_size = 8;
3011 		ha->optrom_size = OPTROM_SIZE_83XX;
3012 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3013 		ha->isp_ops = &qla83xx_isp_ops;
3014 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3015 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3016 		ha->nvram_conf_off = ~0;
3017 		ha->nvram_data_off = ~0;
3018 	}  else if (IS_QLAFX00(ha)) {
3019 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3020 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3021 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3022 		req_length = REQUEST_ENTRY_CNT_FX00;
3023 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3024 		ha->isp_ops = &qlafx00_isp_ops;
3025 		ha->port_down_retry_count = 30; /* default value */
3026 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3027 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3028 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3029 		ha->mr.fw_hbt_en = 1;
3030 		ha->mr.host_info_resend = false;
3031 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3032 	} else if (IS_QLA27XX(ha)) {
3033 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3034 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3035 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3036 		req_length = REQUEST_ENTRY_CNT_83XX;
3037 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3038 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3039 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3040 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3041 		ha->gid_list_info_size = 8;
3042 		ha->optrom_size = OPTROM_SIZE_83XX;
3043 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3044 		ha->isp_ops = &qla27xx_isp_ops;
3045 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3046 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3047 		ha->nvram_conf_off = ~0;
3048 		ha->nvram_data_off = ~0;
3049 	} else if (IS_QLA28XX(ha)) {
3050 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3051 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3052 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3053 		req_length = REQUEST_ENTRY_CNT_24XX;
3054 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3055 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3056 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3057 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3058 		ha->gid_list_info_size = 8;
3059 		ha->optrom_size = OPTROM_SIZE_28XX;
3060 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3061 		ha->isp_ops = &qla27xx_isp_ops;
3062 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3063 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3064 		ha->nvram_conf_off = ~0;
3065 		ha->nvram_data_off = ~0;
3066 	}
3067 
3068 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3069 	    "mbx_count=%d, req_length=%d, "
3070 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3071 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3072 	    "max_fibre_devices=%d.\n",
3073 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3074 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3075 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3076 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3077 	    "isp_ops=%p, flash_conf_off=%d, "
3078 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3079 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3080 	    ha->nvram_conf_off, ha->nvram_data_off);
3081 
3082 	/* Configure PCI I/O space */
3083 	ret = ha->isp_ops->iospace_config(ha);
3084 	if (ret)
3085 		goto iospace_config_failed;
3086 
3087 	ql_log_pci(ql_log_info, pdev, 0x001d,
3088 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3089 	    pdev->device, pdev->irq, ha->iobase);
3090 	mutex_init(&ha->vport_lock);
3091 	mutex_init(&ha->mq_lock);
3092 	init_completion(&ha->mbx_cmd_comp);
3093 	complete(&ha->mbx_cmd_comp);
3094 	init_completion(&ha->mbx_intr_comp);
3095 	init_completion(&ha->dcbx_comp);
3096 	init_completion(&ha->lb_portup_comp);
3097 
3098 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3099 
3100 	qla2x00_config_dma_addressing(ha);
3101 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3102 	    "64 Bit addressing is %s.\n",
3103 	    ha->flags.enable_64bit_addressing ? "enable" :
3104 	    "disable");
3105 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3106 	if (ret) {
3107 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3108 		    "Failed to allocate memory for adapter, aborting.\n");
3109 
3110 		goto probe_hw_failed;
3111 	}
3112 
3113 	req->max_q_depth = MAX_Q_DEPTH;
3114 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3115 		req->max_q_depth = ql2xmaxqdepth;
3116 
3117 
3118 	base_vha = qla2x00_create_host(sht, ha);
3119 	if (!base_vha) {
3120 		ret = -ENOMEM;
3121 		goto probe_hw_failed;
3122 	}
3123 
3124 	pci_set_drvdata(pdev, base_vha);
3125 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3126 
3127 	host = base_vha->host;
3128 	base_vha->req = req;
3129 	if (IS_QLA2XXX_MIDTYPE(ha))
3130 		base_vha->mgmt_svr_loop_id =
3131 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3132 	else
3133 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3134 						base_vha->vp_idx;
3135 
3136 	/* Setup fcport template structure. */
3137 	ha->mr.fcport.vha = base_vha;
3138 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3139 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3140 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3141 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3142 	ha->mr.fcport.scan_state = 1;
3143 
3144 	/* Set the SG table size based on ISP type */
3145 	if (!IS_FWI2_CAPABLE(ha)) {
3146 		if (IS_QLA2100(ha))
3147 			host->sg_tablesize = 32;
3148 	} else {
3149 		if (!IS_QLA82XX(ha))
3150 			host->sg_tablesize = QLA_SG_ALL;
3151 	}
3152 	host->max_id = ha->max_fibre_devices;
3153 	host->cmd_per_lun = 3;
3154 	host->unique_id = host->host_no;
3155 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3156 		host->max_cmd_len = 32;
3157 	else
3158 		host->max_cmd_len = MAX_CMDSZ;
3159 	host->max_channel = MAX_BUSES - 1;
3160 	/* Older HBAs support only 16-bit LUNs */
3161 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3162 	    ql2xmaxlun > 0xffff)
3163 		host->max_lun = 0xffff;
3164 	else
3165 		host->max_lun = ql2xmaxlun;
3166 	host->transportt = qla2xxx_transport_template;
3167 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3168 
3169 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3170 	    "max_id=%d this_id=%d "
3171 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3172 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3173 	    host->this_id, host->cmd_per_lun, host->unique_id,
3174 	    host->max_cmd_len, host->max_channel, host->max_lun,
3175 	    host->transportt, sht->vendor_id);
3176 
3177 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3178 
3179 	/* Set up the irqs */
3180 	ret = qla2x00_request_irqs(ha, rsp);
3181 	if (ret)
3182 		goto probe_failed;
3183 
3184 	/* Alloc arrays of request and response ring ptrs */
3185 	ret = qla2x00_alloc_queues(ha, req, rsp);
3186 	if (ret) {
3187 		ql_log(ql_log_fatal, base_vha, 0x003d,
3188 		    "Failed to allocate memory for queue pointers..."
3189 		    "aborting.\n");
3190 		ret = -ENODEV;
3191 		goto probe_failed;
3192 	}
3193 
3194 	if (ha->mqenable) {
3195 		/* number of hardware queues supported by blk/scsi-mq*/
3196 		host->nr_hw_queues = ha->max_qpairs;
3197 
3198 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3199 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3200 	} else {
3201 		if (ql2xnvmeenable) {
3202 			host->nr_hw_queues = ha->max_qpairs;
3203 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3204 			    "FC-NVMe support is enabled, HW queues=%d\n",
3205 			    host->nr_hw_queues);
3206 		} else {
3207 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3208 			    "blk/scsi-mq disabled.\n");
3209 		}
3210 	}
3211 
3212 	qlt_probe_one_stage1(base_vha, ha);
3213 
3214 	pci_save_state(pdev);
3215 
3216 	/* Assign back pointers */
3217 	rsp->req = req;
3218 	req->rsp = rsp;
3219 
3220 	if (IS_QLAFX00(ha)) {
3221 		ha->rsp_q_map[0] = rsp;
3222 		ha->req_q_map[0] = req;
3223 		set_bit(0, ha->req_qid_map);
3224 		set_bit(0, ha->rsp_qid_map);
3225 	}
3226 
3227 	/* FWI2-capable only. */
3228 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3229 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3230 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3231 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3232 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3233 	    IS_QLA28XX(ha)) {
3234 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3235 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3236 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3237 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3238 	}
3239 
3240 	if (IS_QLAFX00(ha)) {
3241 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3242 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3243 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3244 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3245 	}
3246 
3247 	if (IS_P3P_TYPE(ha)) {
3248 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3249 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3250 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3251 	}
3252 
3253 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3254 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3255 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3256 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3257 	    "req->req_q_in=%p req->req_q_out=%p "
3258 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3259 	    req->req_q_in, req->req_q_out,
3260 	    rsp->rsp_q_in, rsp->rsp_q_out);
3261 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3262 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3263 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3264 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3265 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3266 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3267 
3268 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3269 	if (unlikely(!ha->wq)) {
3270 		ret = -ENOMEM;
3271 		goto probe_failed;
3272 	}
3273 
3274 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3275 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3276 		    "Failed to initialize adapter - Adapter flags %x.\n",
3277 		    base_vha->device_flags);
3278 
3279 		if (IS_QLA82XX(ha)) {
3280 			qla82xx_idc_lock(ha);
3281 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3282 				QLA8XXX_DEV_FAILED);
3283 			qla82xx_idc_unlock(ha);
3284 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3285 			    "HW State: FAILED.\n");
3286 		} else if (IS_QLA8044(ha)) {
3287 			qla8044_idc_lock(ha);
3288 			qla8044_wr_direct(base_vha,
3289 				QLA8044_CRB_DEV_STATE_INDEX,
3290 				QLA8XXX_DEV_FAILED);
3291 			qla8044_idc_unlock(ha);
3292 			ql_log(ql_log_fatal, base_vha, 0x0150,
3293 			    "HW State: FAILED.\n");
3294 		}
3295 
3296 		ret = -ENODEV;
3297 		goto probe_failed;
3298 	}
3299 
3300 	if (IS_QLAFX00(ha))
3301 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3302 	else
3303 		host->can_queue = req->num_outstanding_cmds - 10;
3304 
3305 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3306 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3307 	    host->can_queue, base_vha->req,
3308 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3309 
3310 	if (ha->mqenable) {
3311 		bool startit = false;
3312 
3313 		if (QLA_TGT_MODE_ENABLED())
3314 			startit = false;
3315 
3316 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3317 			startit = true;
3318 
3319 		/* Create start of day qpairs for Block MQ */
3320 		for (i = 0; i < ha->max_qpairs; i++)
3321 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3322 	}
3323 	qla_init_iocb_limit(base_vha);
3324 
3325 	if (ha->flags.running_gold_fw)
3326 		goto skip_dpc;
3327 
3328 	/*
3329 	 * Startup the kernel thread for this host adapter
3330 	 */
3331 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3332 	    "%s_dpc", base_vha->host_str);
3333 	if (IS_ERR(ha->dpc_thread)) {
3334 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3335 		    "Failed to start DPC thread.\n");
3336 		ret = PTR_ERR(ha->dpc_thread);
3337 		ha->dpc_thread = NULL;
3338 		goto probe_failed;
3339 	}
3340 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3341 	    "DPC thread started successfully.\n");
3342 
3343 	/*
3344 	 * If we're not coming up in initiator mode, we might sit for
3345 	 * a while without waking up the dpc thread, which leads to a
3346 	 * stuck process warning.  So just kick the dpc once here and
3347 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3348 	 */
3349 	qla2xxx_wake_dpc(base_vha);
3350 
3351 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3352 
3353 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3354 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3355 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3356 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3357 
3358 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3359 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3360 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3361 		INIT_WORK(&ha->idc_state_handler,
3362 		    qla83xx_idc_state_handler_work);
3363 		INIT_WORK(&ha->nic_core_unrecoverable,
3364 		    qla83xx_nic_core_unrecoverable_work);
3365 	}
3366 
3367 skip_dpc:
3368 	list_add_tail(&base_vha->list, &ha->vp_list);
3369 	base_vha->host->irq = ha->pdev->irq;
3370 
3371 	/* Initialized the timer */
3372 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3373 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3374 	    "Started qla2x00_timer with "
3375 	    "interval=%d.\n", WATCH_INTERVAL);
3376 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3377 	    "Detected hba at address=%p.\n",
3378 	    ha);
3379 
3380 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3381 		if (ha->fw_attributes & BIT_4) {
3382 			int prot = 0, guard;
3383 
3384 			base_vha->flags.difdix_supported = 1;
3385 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3386 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3387 			if (ql2xenabledif == 1)
3388 				prot = SHOST_DIX_TYPE0_PROTECTION;
3389 			if (ql2xprotmask)
3390 				scsi_host_set_prot(host, ql2xprotmask);
3391 			else
3392 				scsi_host_set_prot(host,
3393 				    prot | SHOST_DIF_TYPE1_PROTECTION
3394 				    | SHOST_DIF_TYPE2_PROTECTION
3395 				    | SHOST_DIF_TYPE3_PROTECTION
3396 				    | SHOST_DIX_TYPE1_PROTECTION
3397 				    | SHOST_DIX_TYPE2_PROTECTION
3398 				    | SHOST_DIX_TYPE3_PROTECTION);
3399 
3400 			guard = SHOST_DIX_GUARD_CRC;
3401 
3402 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3403 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3404 				guard |= SHOST_DIX_GUARD_IP;
3405 
3406 			if (ql2xprotguard)
3407 				scsi_host_set_guard(host, ql2xprotguard);
3408 			else
3409 				scsi_host_set_guard(host, guard);
3410 		} else
3411 			base_vha->flags.difdix_supported = 0;
3412 	}
3413 
3414 	ha->isp_ops->enable_intrs(ha);
3415 
3416 	if (IS_QLAFX00(ha)) {
3417 		ret = qlafx00_fx_disc(base_vha,
3418 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3419 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3420 		    QLA_SG_ALL : 128;
3421 	}
3422 
3423 	ret = scsi_add_host(host, &pdev->dev);
3424 	if (ret)
3425 		goto probe_failed;
3426 
3427 	base_vha->flags.init_done = 1;
3428 	base_vha->flags.online = 1;
3429 	ha->prev_minidump_failed = 0;
3430 
3431 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3432 	    "Init done and hba is online.\n");
3433 
3434 	if (qla_ini_mode_enabled(base_vha) ||
3435 		qla_dual_mode_enabled(base_vha))
3436 		scsi_scan_host(host);
3437 	else
3438 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3439 			"skipping scsi_scan_host() for non-initiator port\n");
3440 
3441 	qla2x00_alloc_sysfs_attr(base_vha);
3442 
3443 	if (IS_QLAFX00(ha)) {
3444 		ret = qlafx00_fx_disc(base_vha,
3445 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3446 
3447 		/* Register system information */
3448 		ret =  qlafx00_fx_disc(base_vha,
3449 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3450 	}
3451 
3452 	qla2x00_init_host_attr(base_vha);
3453 
3454 	qla2x00_dfs_setup(base_vha);
3455 
3456 	ql_log(ql_log_info, base_vha, 0x00fb,
3457 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3458 	ql_log(ql_log_info, base_vha, 0x00fc,
3459 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3460 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3461 						       sizeof(pci_info)),
3462 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3463 	    base_vha->host_no,
3464 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3465 
3466 	qlt_add_target(ha, base_vha);
3467 
3468 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3469 
3470 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3471 		return -ENODEV;
3472 
3473 	return 0;
3474 
3475 probe_failed:
3476 	if (base_vha->gnl.l) {
3477 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3478 				base_vha->gnl.l, base_vha->gnl.ldma);
3479 		base_vha->gnl.l = NULL;
3480 	}
3481 
3482 	if (base_vha->timer_active)
3483 		qla2x00_stop_timer(base_vha);
3484 	base_vha->flags.online = 0;
3485 	if (ha->dpc_thread) {
3486 		struct task_struct *t = ha->dpc_thread;
3487 
3488 		ha->dpc_thread = NULL;
3489 		kthread_stop(t);
3490 	}
3491 
3492 	qla2x00_free_device(base_vha);
3493 	scsi_host_put(base_vha->host);
3494 	/*
3495 	 * Need to NULL out local req/rsp after
3496 	 * qla2x00_free_device => qla2x00_free_queues frees
3497 	 * what these are pointing to. Or else we'll
3498 	 * fall over below in qla2x00_free_req/rsp_que.
3499 	 */
3500 	req = NULL;
3501 	rsp = NULL;
3502 
3503 probe_hw_failed:
3504 	qla2x00_mem_free(ha);
3505 	qla2x00_free_req_que(ha, req);
3506 	qla2x00_free_rsp_que(ha, rsp);
3507 	qla2x00_clear_drv_active(ha);
3508 
3509 iospace_config_failed:
3510 	if (IS_P3P_TYPE(ha)) {
3511 		if (!ha->nx_pcibase)
3512 			iounmap((device_reg_t *)ha->nx_pcibase);
3513 		if (!ql2xdbwr)
3514 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3515 	} else {
3516 		if (ha->iobase)
3517 			iounmap(ha->iobase);
3518 		if (ha->cregbase)
3519 			iounmap(ha->cregbase);
3520 	}
3521 	pci_release_selected_regions(ha->pdev, ha->bars);
3522 	kfree(ha);
3523 
3524 disable_device:
3525 	pci_disable_device(pdev);
3526 	return ret;
3527 }
3528 
3529 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3530 {
3531 	scsi_qla_host_t *vp;
3532 	unsigned long flags;
3533 	struct qla_hw_data *ha;
3534 
3535 	if (!base_vha)
3536 		return;
3537 
3538 	ha = base_vha->hw;
3539 
3540 	spin_lock_irqsave(&ha->vport_slock, flags);
3541 	list_for_each_entry(vp, &ha->vp_list, list)
3542 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3543 
3544 	/*
3545 	 * Indicate device removal to prevent future board_disable
3546 	 * and wait until any pending board_disable has completed.
3547 	 */
3548 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3549 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3550 }
3551 
3552 static void
3553 qla2x00_shutdown(struct pci_dev *pdev)
3554 {
3555 	scsi_qla_host_t *vha;
3556 	struct qla_hw_data  *ha;
3557 
3558 	vha = pci_get_drvdata(pdev);
3559 	ha = vha->hw;
3560 
3561 	ql_log(ql_log_info, vha, 0xfffa,
3562 		"Adapter shutdown\n");
3563 
3564 	/*
3565 	 * Prevent future board_disable and wait
3566 	 * until any pending board_disable has completed.
3567 	 */
3568 	__qla_set_remove_flag(vha);
3569 	cancel_work_sync(&ha->board_disable);
3570 
3571 	if (!atomic_read(&pdev->enable_cnt))
3572 		return;
3573 
3574 	/* Notify ISPFX00 firmware */
3575 	if (IS_QLAFX00(ha))
3576 		qlafx00_driver_shutdown(vha, 20);
3577 
3578 	/* Turn-off FCE trace */
3579 	if (ha->flags.fce_enabled) {
3580 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3581 		ha->flags.fce_enabled = 0;
3582 	}
3583 
3584 	/* Turn-off EFT trace */
3585 	if (ha->eft)
3586 		qla2x00_disable_eft_trace(vha);
3587 
3588 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3589 	    IS_QLA28XX(ha)) {
3590 		if (ha->flags.fw_started)
3591 			qla2x00_abort_isp_cleanup(vha);
3592 	} else {
3593 		/* Stop currently executing firmware. */
3594 		qla2x00_try_to_stop_firmware(vha);
3595 	}
3596 
3597 	/* Disable timer */
3598 	if (vha->timer_active)
3599 		qla2x00_stop_timer(vha);
3600 
3601 	/* Turn adapter off line */
3602 	vha->flags.online = 0;
3603 
3604 	/* turn-off interrupts on the card */
3605 	if (ha->interrupts_on) {
3606 		vha->flags.init_done = 0;
3607 		ha->isp_ops->disable_intrs(ha);
3608 	}
3609 
3610 	qla2x00_free_irqs(vha);
3611 
3612 	qla2x00_free_fw_dump(ha);
3613 
3614 	pci_disable_device(pdev);
3615 	ql_log(ql_log_info, vha, 0xfffe,
3616 		"Adapter shutdown successfully.\n");
3617 }
3618 
3619 /* Deletes all the virtual ports for a given ha */
3620 static void
3621 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3622 {
3623 	scsi_qla_host_t *vha;
3624 	unsigned long flags;
3625 
3626 	mutex_lock(&ha->vport_lock);
3627 	while (ha->cur_vport_count) {
3628 		spin_lock_irqsave(&ha->vport_slock, flags);
3629 
3630 		BUG_ON(base_vha->list.next == &ha->vp_list);
3631 		/* This assumes first entry in ha->vp_list is always base vha */
3632 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3633 		scsi_host_get(vha->host);
3634 
3635 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3636 		mutex_unlock(&ha->vport_lock);
3637 
3638 		qla_nvme_delete(vha);
3639 
3640 		fc_vport_terminate(vha->fc_vport);
3641 		scsi_host_put(vha->host);
3642 
3643 		mutex_lock(&ha->vport_lock);
3644 	}
3645 	mutex_unlock(&ha->vport_lock);
3646 }
3647 
3648 /* Stops all deferred work threads */
3649 static void
3650 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3651 {
3652 	/* Cancel all work and destroy DPC workqueues */
3653 	if (ha->dpc_lp_wq) {
3654 		cancel_work_sync(&ha->idc_aen);
3655 		destroy_workqueue(ha->dpc_lp_wq);
3656 		ha->dpc_lp_wq = NULL;
3657 	}
3658 
3659 	if (ha->dpc_hp_wq) {
3660 		cancel_work_sync(&ha->nic_core_reset);
3661 		cancel_work_sync(&ha->idc_state_handler);
3662 		cancel_work_sync(&ha->nic_core_unrecoverable);
3663 		destroy_workqueue(ha->dpc_hp_wq);
3664 		ha->dpc_hp_wq = NULL;
3665 	}
3666 
3667 	/* Kill the kernel thread for this host */
3668 	if (ha->dpc_thread) {
3669 		struct task_struct *t = ha->dpc_thread;
3670 
3671 		/*
3672 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3673 		 * so we need to zero it out.
3674 		 */
3675 		ha->dpc_thread = NULL;
3676 		kthread_stop(t);
3677 	}
3678 }
3679 
3680 static void
3681 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3682 {
3683 	if (IS_QLA82XX(ha)) {
3684 
3685 		iounmap((device_reg_t *)ha->nx_pcibase);
3686 		if (!ql2xdbwr)
3687 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3688 	} else {
3689 		if (ha->iobase)
3690 			iounmap(ha->iobase);
3691 
3692 		if (ha->cregbase)
3693 			iounmap(ha->cregbase);
3694 
3695 		if (ha->mqiobase)
3696 			iounmap(ha->mqiobase);
3697 
3698 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
3699 		    ha->msixbase)
3700 			iounmap(ha->msixbase);
3701 	}
3702 }
3703 
3704 static void
3705 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3706 {
3707 	if (IS_QLA8044(ha)) {
3708 		qla8044_idc_lock(ha);
3709 		qla8044_clear_drv_active(ha);
3710 		qla8044_idc_unlock(ha);
3711 	} else if (IS_QLA82XX(ha)) {
3712 		qla82xx_idc_lock(ha);
3713 		qla82xx_clear_drv_active(ha);
3714 		qla82xx_idc_unlock(ha);
3715 	}
3716 }
3717 
3718 static void
3719 qla2x00_remove_one(struct pci_dev *pdev)
3720 {
3721 	scsi_qla_host_t *base_vha;
3722 	struct qla_hw_data  *ha;
3723 
3724 	base_vha = pci_get_drvdata(pdev);
3725 	ha = base_vha->hw;
3726 	ql_log(ql_log_info, base_vha, 0xb079,
3727 	    "Removing driver\n");
3728 	__qla_set_remove_flag(base_vha);
3729 	cancel_work_sync(&ha->board_disable);
3730 
3731 	/*
3732 	 * If the PCI device is disabled then there was a PCI-disconnect and
3733 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3734 	 * resources.
3735 	 */
3736 	if (!atomic_read(&pdev->enable_cnt)) {
3737 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3738 		    base_vha->gnl.l, base_vha->gnl.ldma);
3739 		base_vha->gnl.l = NULL;
3740 		scsi_host_put(base_vha->host);
3741 		kfree(ha);
3742 		pci_set_drvdata(pdev, NULL);
3743 		return;
3744 	}
3745 	qla2x00_wait_for_hba_ready(base_vha);
3746 
3747 	/*
3748 	 * if UNLOADING flag is already set, then continue unload,
3749 	 * where it was set first.
3750 	 */
3751 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3752 		return;
3753 
3754 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3755 	    IS_QLA28XX(ha)) {
3756 		if (ha->flags.fw_started)
3757 			qla2x00_abort_isp_cleanup(base_vha);
3758 	} else if (!IS_QLAFX00(ha)) {
3759 		if (IS_QLA8031(ha)) {
3760 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3761 			    "Clearing fcoe driver presence.\n");
3762 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3763 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3764 				    "Error while clearing DRV-Presence.\n");
3765 		}
3766 
3767 		qla2x00_try_to_stop_firmware(base_vha);
3768 	}
3769 
3770 	qla2x00_wait_for_sess_deletion(base_vha);
3771 
3772 	qla_nvme_delete(base_vha);
3773 
3774 	dma_free_coherent(&ha->pdev->dev,
3775 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3776 
3777 	base_vha->gnl.l = NULL;
3778 
3779 	vfree(base_vha->scan.l);
3780 
3781 	if (IS_QLAFX00(ha))
3782 		qlafx00_driver_shutdown(base_vha, 20);
3783 
3784 	qla2x00_delete_all_vps(ha, base_vha);
3785 
3786 	qla2x00_dfs_remove(base_vha);
3787 
3788 	qla84xx_put_chip(base_vha);
3789 
3790 	/* Disable timer */
3791 	if (base_vha->timer_active)
3792 		qla2x00_stop_timer(base_vha);
3793 
3794 	base_vha->flags.online = 0;
3795 
3796 	/* free DMA memory */
3797 	if (ha->exlogin_buf)
3798 		qla2x00_free_exlogin_buffer(ha);
3799 
3800 	/* free DMA memory */
3801 	if (ha->exchoffld_buf)
3802 		qla2x00_free_exchoffld_buffer(ha);
3803 
3804 	qla2x00_destroy_deferred_work(ha);
3805 
3806 	qlt_remove_target(ha, base_vha);
3807 
3808 	qla2x00_free_sysfs_attr(base_vha, true);
3809 
3810 	fc_remove_host(base_vha->host);
3811 	qlt_remove_target_resources(ha);
3812 
3813 	scsi_remove_host(base_vha->host);
3814 
3815 	qla2x00_free_device(base_vha);
3816 
3817 	qla2x00_clear_drv_active(ha);
3818 
3819 	scsi_host_put(base_vha->host);
3820 
3821 	qla2x00_unmap_iobases(ha);
3822 
3823 	pci_release_selected_regions(ha->pdev, ha->bars);
3824 	kfree(ha);
3825 
3826 	pci_disable_pcie_error_reporting(pdev);
3827 
3828 	pci_disable_device(pdev);
3829 }
3830 
3831 static inline void
3832 qla24xx_free_purex_list(struct purex_list *list)
3833 {
3834 	struct list_head *item, *next;
3835 	ulong flags;
3836 
3837 	spin_lock_irqsave(&list->lock, flags);
3838 	list_for_each_safe(item, next, &list->head) {
3839 		list_del(item);
3840 		kfree(list_entry(item, struct purex_item, list));
3841 	}
3842 	spin_unlock_irqrestore(&list->lock, flags);
3843 }
3844 
3845 static void
3846 qla2x00_free_device(scsi_qla_host_t *vha)
3847 {
3848 	struct qla_hw_data *ha = vha->hw;
3849 
3850 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3851 
3852 	/* Disable timer */
3853 	if (vha->timer_active)
3854 		qla2x00_stop_timer(vha);
3855 
3856 	qla25xx_delete_queues(vha);
3857 	vha->flags.online = 0;
3858 
3859 	/* turn-off interrupts on the card */
3860 	if (ha->interrupts_on) {
3861 		vha->flags.init_done = 0;
3862 		ha->isp_ops->disable_intrs(ha);
3863 	}
3864 
3865 	qla2x00_free_fcports(vha);
3866 
3867 	qla2x00_free_irqs(vha);
3868 
3869 	/* Flush the work queue and remove it */
3870 	if (ha->wq) {
3871 		flush_workqueue(ha->wq);
3872 		destroy_workqueue(ha->wq);
3873 		ha->wq = NULL;
3874 	}
3875 
3876 
3877 	qla24xx_free_purex_list(&vha->purex_list);
3878 
3879 	qla2x00_mem_free(ha);
3880 
3881 	qla82xx_md_free(vha);
3882 
3883 	qla2x00_free_queues(ha);
3884 }
3885 
3886 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3887 {
3888 	fc_port_t *fcport, *tfcport;
3889 
3890 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
3891 		qla2x00_free_fcport(fcport);
3892 }
3893 
3894 static inline void
3895 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
3896 {
3897 	int now;
3898 
3899 	if (!fcport->rport)
3900 		return;
3901 
3902 	if (fcport->rport) {
3903 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3904 		    "%s %8phN. rport %p roles %x\n",
3905 		    __func__, fcport->port_name, fcport->rport,
3906 		    fcport->rport->roles);
3907 		fc_remote_port_delete(fcport->rport);
3908 	}
3909 	qlt_do_generation_tick(vha, &now);
3910 }
3911 
3912 /*
3913  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3914  *
3915  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3916  *
3917  * Return: None.
3918  *
3919  * Context:
3920  */
3921 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3922     int do_login)
3923 {
3924 	if (IS_QLAFX00(vha->hw)) {
3925 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3926 		qla2x00_schedule_rport_del(vha, fcport);
3927 		return;
3928 	}
3929 
3930 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3931 	    vha->vp_idx == fcport->vha->vp_idx) {
3932 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3933 		qla2x00_schedule_rport_del(vha, fcport);
3934 	}
3935 	/*
3936 	 * We may need to retry the login, so don't change the state of the
3937 	 * port but do the retries.
3938 	 */
3939 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3940 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3941 
3942 	if (!do_login)
3943 		return;
3944 
3945 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3946 }
3947 
3948 void
3949 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
3950 {
3951 	fc_port_t *fcport;
3952 
3953 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3954 	    "Mark all dev lost\n");
3955 
3956 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3957 		fcport->scan_state = 0;
3958 		qlt_schedule_sess_for_deletion(fcport);
3959 	}
3960 }
3961 
3962 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
3963 {
3964 	int i;
3965 
3966 	if (IS_FWI2_CAPABLE(ha))
3967 		return;
3968 
3969 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
3970 		set_bit(i, ha->loop_id_map);
3971 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
3972 	set_bit(BROADCAST, ha->loop_id_map);
3973 }
3974 
3975 /*
3976 * qla2x00_mem_alloc
3977 *      Allocates adapter memory.
3978 *
3979 * Returns:
3980 *      0  = success.
3981 *      !0  = failure.
3982 */
3983 static int
3984 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3985 	struct req_que **req, struct rsp_que **rsp)
3986 {
3987 	char	name[16];
3988 
3989 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3990 		&ha->init_cb_dma, GFP_KERNEL);
3991 	if (!ha->init_cb)
3992 		goto fail;
3993 
3994 	if (qlt_mem_alloc(ha) < 0)
3995 		goto fail_free_init_cb;
3996 
3997 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3998 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3999 	if (!ha->gid_list)
4000 		goto fail_free_tgt_mem;
4001 
4002 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4003 	if (!ha->srb_mempool)
4004 		goto fail_free_gid_list;
4005 
4006 	if (IS_P3P_TYPE(ha)) {
4007 		/* Allocate cache for CT6 Ctx. */
4008 		if (!ctx_cachep) {
4009 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4010 				sizeof(struct ct6_dsd), 0,
4011 				SLAB_HWCACHE_ALIGN, NULL);
4012 			if (!ctx_cachep)
4013 				goto fail_free_srb_mempool;
4014 		}
4015 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4016 			ctx_cachep);
4017 		if (!ha->ctx_mempool)
4018 			goto fail_free_srb_mempool;
4019 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4020 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4021 		    ctx_cachep, ha->ctx_mempool);
4022 	}
4023 
4024 	/* Get memory for cached NVRAM */
4025 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4026 	if (!ha->nvram)
4027 		goto fail_free_ctx_mempool;
4028 
4029 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4030 		ha->pdev->device);
4031 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4032 		DMA_POOL_SIZE, 8, 0);
4033 	if (!ha->s_dma_pool)
4034 		goto fail_free_nvram;
4035 
4036 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4037 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4038 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4039 
4040 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
4041 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4042 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4043 		if (!ha->dl_dma_pool) {
4044 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4045 			    "Failed to allocate memory for dl_dma_pool.\n");
4046 			goto fail_s_dma_pool;
4047 		}
4048 
4049 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4050 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4051 		if (!ha->fcp_cmnd_dma_pool) {
4052 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4053 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4054 			goto fail_dl_dma_pool;
4055 		}
4056 
4057 		if (ql2xenabledif) {
4058 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4059 			struct dsd_dma *dsd, *nxt;
4060 			uint i;
4061 			/* Creata a DMA pool of buffers for DIF bundling */
4062 			ha->dif_bundl_pool = dma_pool_create(name,
4063 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4064 			if (!ha->dif_bundl_pool) {
4065 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4066 				    "%s: failed create dif_bundl_pool\n",
4067 				    __func__);
4068 				goto fail_dif_bundl_dma_pool;
4069 			}
4070 
4071 			INIT_LIST_HEAD(&ha->pool.good.head);
4072 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4073 			ha->pool.good.count = 0;
4074 			ha->pool.unusable.count = 0;
4075 			for (i = 0; i < 128; i++) {
4076 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4077 				if (!dsd) {
4078 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4079 					    0xe0ee, "%s: failed alloc dsd\n",
4080 					    __func__);
4081 					return 1;
4082 				}
4083 				ha->dif_bundle_kallocs++;
4084 
4085 				dsd->dsd_addr = dma_pool_alloc(
4086 				    ha->dif_bundl_pool, GFP_ATOMIC,
4087 				    &dsd->dsd_list_dma);
4088 				if (!dsd->dsd_addr) {
4089 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4090 					    0xe0ee,
4091 					    "%s: failed alloc ->dsd_addr\n",
4092 					    __func__);
4093 					kfree(dsd);
4094 					ha->dif_bundle_kallocs--;
4095 					continue;
4096 				}
4097 				ha->dif_bundle_dma_allocs++;
4098 
4099 				/*
4100 				 * if DMA buffer crosses 4G boundary,
4101 				 * put it on bad list
4102 				 */
4103 				if (MSD(dsd->dsd_list_dma) ^
4104 				    MSD(dsd->dsd_list_dma + bufsize)) {
4105 					list_add_tail(&dsd->list,
4106 					    &ha->pool.unusable.head);
4107 					ha->pool.unusable.count++;
4108 				} else {
4109 					list_add_tail(&dsd->list,
4110 					    &ha->pool.good.head);
4111 					ha->pool.good.count++;
4112 				}
4113 			}
4114 
4115 			/* return the good ones back to the pool */
4116 			list_for_each_entry_safe(dsd, nxt,
4117 			    &ha->pool.good.head, list) {
4118 				list_del(&dsd->list);
4119 				dma_pool_free(ha->dif_bundl_pool,
4120 				    dsd->dsd_addr, dsd->dsd_list_dma);
4121 				ha->dif_bundle_dma_allocs--;
4122 				kfree(dsd);
4123 				ha->dif_bundle_kallocs--;
4124 			}
4125 
4126 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4127 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4128 			    __func__, ha->pool.good.count,
4129 			    ha->pool.unusable.count);
4130 		}
4131 
4132 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4133 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4134 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4135 		    ha->dif_bundl_pool);
4136 	}
4137 
4138 	/* Allocate memory for SNS commands */
4139 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4140 	/* Get consistent memory allocated for SNS commands */
4141 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4142 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4143 		if (!ha->sns_cmd)
4144 			goto fail_dma_pool;
4145 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4146 		    "sns_cmd: %p.\n", ha->sns_cmd);
4147 	} else {
4148 	/* Get consistent memory allocated for MS IOCB */
4149 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4150 			&ha->ms_iocb_dma);
4151 		if (!ha->ms_iocb)
4152 			goto fail_dma_pool;
4153 	/* Get consistent memory allocated for CT SNS commands */
4154 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4155 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4156 		if (!ha->ct_sns)
4157 			goto fail_free_ms_iocb;
4158 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4159 		    "ms_iocb=%p ct_sns=%p.\n",
4160 		    ha->ms_iocb, ha->ct_sns);
4161 	}
4162 
4163 	/* Allocate memory for request ring */
4164 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4165 	if (!*req) {
4166 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4167 		    "Failed to allocate memory for req.\n");
4168 		goto fail_req;
4169 	}
4170 	(*req)->length = req_len;
4171 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4172 		((*req)->length + 1) * sizeof(request_t),
4173 		&(*req)->dma, GFP_KERNEL);
4174 	if (!(*req)->ring) {
4175 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4176 		    "Failed to allocate memory for req_ring.\n");
4177 		goto fail_req_ring;
4178 	}
4179 	/* Allocate memory for response ring */
4180 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4181 	if (!*rsp) {
4182 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4183 		    "Failed to allocate memory for rsp.\n");
4184 		goto fail_rsp;
4185 	}
4186 	(*rsp)->hw = ha;
4187 	(*rsp)->length = rsp_len;
4188 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4189 		((*rsp)->length + 1) * sizeof(response_t),
4190 		&(*rsp)->dma, GFP_KERNEL);
4191 	if (!(*rsp)->ring) {
4192 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4193 		    "Failed to allocate memory for rsp_ring.\n");
4194 		goto fail_rsp_ring;
4195 	}
4196 	(*req)->rsp = *rsp;
4197 	(*rsp)->req = *req;
4198 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4199 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4200 	    "rsp->length=%d rsp->ring=%p.\n",
4201 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4202 	    (*rsp)->ring);
4203 	/* Allocate memory for NVRAM data for vports */
4204 	if (ha->nvram_npiv_size) {
4205 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4206 					sizeof(struct qla_npiv_entry),
4207 					GFP_KERNEL);
4208 		if (!ha->npiv_info) {
4209 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4210 			    "Failed to allocate memory for npiv_info.\n");
4211 			goto fail_npiv_info;
4212 		}
4213 	} else
4214 		ha->npiv_info = NULL;
4215 
4216 	/* Get consistent memory allocated for EX-INIT-CB. */
4217 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4218 	    IS_QLA28XX(ha)) {
4219 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4220 		    &ha->ex_init_cb_dma);
4221 		if (!ha->ex_init_cb)
4222 			goto fail_ex_init_cb;
4223 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4224 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4225 	}
4226 
4227 	/* Get consistent memory allocated for Special Features-CB. */
4228 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4229 		ha->sf_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4230 						&ha->sf_init_cb_dma);
4231 		if (!ha->sf_init_cb)
4232 			goto fail_sf_init_cb;
4233 		memset(ha->sf_init_cb, 0, sizeof(struct init_sf_cb));
4234 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4235 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4236 	}
4237 
4238 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4239 
4240 	/* Get consistent memory allocated for Async Port-Database. */
4241 	if (!IS_FWI2_CAPABLE(ha)) {
4242 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4243 			&ha->async_pd_dma);
4244 		if (!ha->async_pd)
4245 			goto fail_async_pd;
4246 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4247 		    "async_pd=%p.\n", ha->async_pd);
4248 	}
4249 
4250 	INIT_LIST_HEAD(&ha->vp_list);
4251 
4252 	/* Allocate memory for our loop_id bitmap */
4253 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4254 				  sizeof(long),
4255 				  GFP_KERNEL);
4256 	if (!ha->loop_id_map)
4257 		goto fail_loop_id_map;
4258 	else {
4259 		qla2x00_set_reserved_loop_ids(ha);
4260 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4261 		    "loop_id_map=%p.\n", ha->loop_id_map);
4262 	}
4263 
4264 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4265 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4266 	if (!ha->sfp_data) {
4267 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4268 		    "Unable to allocate memory for SFP read-data.\n");
4269 		goto fail_sfp_data;
4270 	}
4271 
4272 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4273 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4274 	    GFP_KERNEL);
4275 	if (!ha->flt) {
4276 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4277 		    "Unable to allocate memory for FLT.\n");
4278 		goto fail_flt_buffer;
4279 	}
4280 
4281 	return 0;
4282 
4283 fail_flt_buffer:
4284 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4285 	    ha->sfp_data, ha->sfp_data_dma);
4286 fail_sfp_data:
4287 	kfree(ha->loop_id_map);
4288 fail_loop_id_map:
4289 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4290 fail_async_pd:
4291 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4292 fail_sf_init_cb:
4293 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4294 fail_ex_init_cb:
4295 	kfree(ha->npiv_info);
4296 fail_npiv_info:
4297 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4298 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4299 	(*rsp)->ring = NULL;
4300 	(*rsp)->dma = 0;
4301 fail_rsp_ring:
4302 	kfree(*rsp);
4303 	*rsp = NULL;
4304 fail_rsp:
4305 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4306 		sizeof(request_t), (*req)->ring, (*req)->dma);
4307 	(*req)->ring = NULL;
4308 	(*req)->dma = 0;
4309 fail_req_ring:
4310 	kfree(*req);
4311 	*req = NULL;
4312 fail_req:
4313 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4314 		ha->ct_sns, ha->ct_sns_dma);
4315 	ha->ct_sns = NULL;
4316 	ha->ct_sns_dma = 0;
4317 fail_free_ms_iocb:
4318 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4319 	ha->ms_iocb = NULL;
4320 	ha->ms_iocb_dma = 0;
4321 
4322 	if (ha->sns_cmd)
4323 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4324 		    ha->sns_cmd, ha->sns_cmd_dma);
4325 fail_dma_pool:
4326 	if (ql2xenabledif) {
4327 		struct dsd_dma *dsd, *nxt;
4328 
4329 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4330 		    list) {
4331 			list_del(&dsd->list);
4332 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4333 			    dsd->dsd_list_dma);
4334 			ha->dif_bundle_dma_allocs--;
4335 			kfree(dsd);
4336 			ha->dif_bundle_kallocs--;
4337 			ha->pool.unusable.count--;
4338 		}
4339 		dma_pool_destroy(ha->dif_bundl_pool);
4340 		ha->dif_bundl_pool = NULL;
4341 	}
4342 
4343 fail_dif_bundl_dma_pool:
4344 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4345 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4346 		ha->fcp_cmnd_dma_pool = NULL;
4347 	}
4348 fail_dl_dma_pool:
4349 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4350 		dma_pool_destroy(ha->dl_dma_pool);
4351 		ha->dl_dma_pool = NULL;
4352 	}
4353 fail_s_dma_pool:
4354 	dma_pool_destroy(ha->s_dma_pool);
4355 	ha->s_dma_pool = NULL;
4356 fail_free_nvram:
4357 	kfree(ha->nvram);
4358 	ha->nvram = NULL;
4359 fail_free_ctx_mempool:
4360 	mempool_destroy(ha->ctx_mempool);
4361 	ha->ctx_mempool = NULL;
4362 fail_free_srb_mempool:
4363 	mempool_destroy(ha->srb_mempool);
4364 	ha->srb_mempool = NULL;
4365 fail_free_gid_list:
4366 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4367 	ha->gid_list,
4368 	ha->gid_list_dma);
4369 	ha->gid_list = NULL;
4370 	ha->gid_list_dma = 0;
4371 fail_free_tgt_mem:
4372 	qlt_mem_free(ha);
4373 fail_free_init_cb:
4374 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4375 	ha->init_cb_dma);
4376 	ha->init_cb = NULL;
4377 	ha->init_cb_dma = 0;
4378 fail:
4379 	ql_log(ql_log_fatal, NULL, 0x0030,
4380 	    "Memory allocation failure.\n");
4381 	return -ENOMEM;
4382 }
4383 
4384 int
4385 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4386 {
4387 	int rval;
4388 	uint16_t	size, max_cnt;
4389 	uint32_t temp;
4390 	struct qla_hw_data *ha = vha->hw;
4391 
4392 	/* Return if we don't need to alloacate any extended logins */
4393 	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4394 		return QLA_SUCCESS;
4395 
4396 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4397 		return QLA_SUCCESS;
4398 
4399 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4400 	max_cnt = 0;
4401 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4402 	if (rval != QLA_SUCCESS) {
4403 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4404 		    "Failed to get exlogin status.\n");
4405 		return rval;
4406 	}
4407 
4408 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4409 	temp *= size;
4410 
4411 	if (temp != ha->exlogin_size) {
4412 		qla2x00_free_exlogin_buffer(ha);
4413 		ha->exlogin_size = temp;
4414 
4415 		ql_log(ql_log_info, vha, 0xd024,
4416 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4417 		    max_cnt, size, temp);
4418 
4419 		ql_log(ql_log_info, vha, 0xd025,
4420 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4421 
4422 		/* Get consistent memory for extended logins */
4423 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4424 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4425 		if (!ha->exlogin_buf) {
4426 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4427 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4428 			return -ENOMEM;
4429 		}
4430 	}
4431 
4432 	/* Now configure the dma buffer */
4433 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4434 	if (rval) {
4435 		ql_log(ql_log_fatal, vha, 0xd033,
4436 		    "Setup extended login buffer  ****FAILED****.\n");
4437 		qla2x00_free_exlogin_buffer(ha);
4438 	}
4439 
4440 	return rval;
4441 }
4442 
4443 /*
4444 * qla2x00_free_exlogin_buffer
4445 *
4446 * Input:
4447 *	ha = adapter block pointer
4448 */
4449 void
4450 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4451 {
4452 	if (ha->exlogin_buf) {
4453 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4454 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4455 		ha->exlogin_buf = NULL;
4456 		ha->exlogin_size = 0;
4457 	}
4458 }
4459 
4460 static void
4461 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4462 {
4463 	u32 temp;
4464 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4465 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4466 
4467 	if (max_cnt > vha->hw->max_exchg)
4468 		max_cnt = vha->hw->max_exchg;
4469 
4470 	if (qla_ini_mode_enabled(vha)) {
4471 		if (vha->ql2xiniexchg > max_cnt)
4472 			vha->ql2xiniexchg = max_cnt;
4473 
4474 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4475 			*ret_cnt = vha->ql2xiniexchg;
4476 
4477 	} else if (qla_tgt_mode_enabled(vha)) {
4478 		if (vha->ql2xexchoffld > max_cnt) {
4479 			vha->ql2xexchoffld = max_cnt;
4480 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4481 		}
4482 
4483 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4484 			*ret_cnt = vha->ql2xexchoffld;
4485 	} else if (qla_dual_mode_enabled(vha)) {
4486 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4487 		if (temp > max_cnt) {
4488 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4489 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4490 			temp = max_cnt;
4491 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4492 		}
4493 
4494 		if (temp > FW_DEF_EXCHANGES_CNT)
4495 			*ret_cnt = temp;
4496 	}
4497 }
4498 
4499 int
4500 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4501 {
4502 	int rval;
4503 	u16	size, max_cnt;
4504 	u32 actual_cnt, totsz;
4505 	struct qla_hw_data *ha = vha->hw;
4506 
4507 	if (!ha->flags.exchoffld_enabled)
4508 		return QLA_SUCCESS;
4509 
4510 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4511 		return QLA_SUCCESS;
4512 
4513 	max_cnt = 0;
4514 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4515 	if (rval != QLA_SUCCESS) {
4516 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4517 		    "Failed to get exlogin status.\n");
4518 		return rval;
4519 	}
4520 
4521 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4522 	ql_log(ql_log_info, vha, 0xd014,
4523 	    "Actual exchange offload count: %d.\n", actual_cnt);
4524 
4525 	totsz = actual_cnt * size;
4526 
4527 	if (totsz != ha->exchoffld_size) {
4528 		qla2x00_free_exchoffld_buffer(ha);
4529 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4530 			ha->exchoffld_size = 0;
4531 			ha->flags.exchoffld_enabled = 0;
4532 			return QLA_SUCCESS;
4533 		}
4534 
4535 		ha->exchoffld_size = totsz;
4536 
4537 		ql_log(ql_log_info, vha, 0xd016,
4538 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4539 		    max_cnt, actual_cnt, size, totsz);
4540 
4541 		ql_log(ql_log_info, vha, 0xd017,
4542 		    "Exchange Buffers requested size = 0x%x\n",
4543 		    ha->exchoffld_size);
4544 
4545 		/* Get consistent memory for extended logins */
4546 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4547 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4548 		if (!ha->exchoffld_buf) {
4549 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4550 			"Failed to allocate memory for Exchange Offload.\n");
4551 
4552 			if (ha->max_exchg >
4553 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4554 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4555 			} else if (ha->max_exchg >
4556 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4557 				ha->max_exchg -= 512;
4558 			} else {
4559 				ha->flags.exchoffld_enabled = 0;
4560 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4561 				    "Disabling Exchange offload due to lack of memory\n");
4562 			}
4563 			ha->exchoffld_size = 0;
4564 
4565 			return -ENOMEM;
4566 		}
4567 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4568 		/* pathological case */
4569 		qla2x00_free_exchoffld_buffer(ha);
4570 		ha->exchoffld_size = 0;
4571 		ha->flags.exchoffld_enabled = 0;
4572 		ql_log(ql_log_info, vha, 0xd016,
4573 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4574 		    ha->exchoffld_size, actual_cnt, size, totsz);
4575 		return 0;
4576 	}
4577 
4578 	/* Now configure the dma buffer */
4579 	rval = qla_set_exchoffld_mem_cfg(vha);
4580 	if (rval) {
4581 		ql_log(ql_log_fatal, vha, 0xd02e,
4582 		    "Setup exchange offload buffer ****FAILED****.\n");
4583 		qla2x00_free_exchoffld_buffer(ha);
4584 	} else {
4585 		/* re-adjust number of target exchange */
4586 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4587 
4588 		if (qla_ini_mode_enabled(vha))
4589 			icb->exchange_count = 0;
4590 		else
4591 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4592 	}
4593 
4594 	return rval;
4595 }
4596 
4597 /*
4598 * qla2x00_free_exchoffld_buffer
4599 *
4600 * Input:
4601 *	ha = adapter block pointer
4602 */
4603 void
4604 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4605 {
4606 	if (ha->exchoffld_buf) {
4607 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4608 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4609 		ha->exchoffld_buf = NULL;
4610 		ha->exchoffld_size = 0;
4611 	}
4612 }
4613 
4614 /*
4615 * qla2x00_free_fw_dump
4616 *	Frees fw dump stuff.
4617 *
4618 * Input:
4619 *	ha = adapter block pointer
4620 */
4621 static void
4622 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4623 {
4624 	struct fwdt *fwdt = ha->fwdt;
4625 	uint j;
4626 
4627 	if (ha->fce)
4628 		dma_free_coherent(&ha->pdev->dev,
4629 		    FCE_SIZE, ha->fce, ha->fce_dma);
4630 
4631 	if (ha->eft)
4632 		dma_free_coherent(&ha->pdev->dev,
4633 		    EFT_SIZE, ha->eft, ha->eft_dma);
4634 
4635 	if (ha->fw_dump)
4636 		vfree(ha->fw_dump);
4637 
4638 	ha->fce = NULL;
4639 	ha->fce_dma = 0;
4640 	ha->flags.fce_enabled = 0;
4641 	ha->eft = NULL;
4642 	ha->eft_dma = 0;
4643 	ha->fw_dumped = false;
4644 	ha->fw_dump_cap_flags = 0;
4645 	ha->fw_dump_reading = 0;
4646 	ha->fw_dump = NULL;
4647 	ha->fw_dump_len = 0;
4648 
4649 	for (j = 0; j < 2; j++, fwdt++) {
4650 		if (fwdt->template)
4651 			vfree(fwdt->template);
4652 		fwdt->template = NULL;
4653 		fwdt->length = 0;
4654 	}
4655 }
4656 
4657 /*
4658 * qla2x00_mem_free
4659 *      Frees all adapter allocated memory.
4660 *
4661 * Input:
4662 *      ha = adapter block pointer.
4663 */
4664 static void
4665 qla2x00_mem_free(struct qla_hw_data *ha)
4666 {
4667 	qla2x00_free_fw_dump(ha);
4668 
4669 	if (ha->mctp_dump)
4670 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4671 		    ha->mctp_dump_dma);
4672 	ha->mctp_dump = NULL;
4673 
4674 	mempool_destroy(ha->srb_mempool);
4675 	ha->srb_mempool = NULL;
4676 
4677 	if (ha->dcbx_tlv)
4678 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4679 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4680 	ha->dcbx_tlv = NULL;
4681 
4682 	if (ha->xgmac_data)
4683 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4684 		    ha->xgmac_data, ha->xgmac_data_dma);
4685 	ha->xgmac_data = NULL;
4686 
4687 	if (ha->sns_cmd)
4688 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4689 		ha->sns_cmd, ha->sns_cmd_dma);
4690 	ha->sns_cmd = NULL;
4691 	ha->sns_cmd_dma = 0;
4692 
4693 	if (ha->ct_sns)
4694 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4695 		ha->ct_sns, ha->ct_sns_dma);
4696 	ha->ct_sns = NULL;
4697 	ha->ct_sns_dma = 0;
4698 
4699 	if (ha->sfp_data)
4700 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4701 		    ha->sfp_data_dma);
4702 	ha->sfp_data = NULL;
4703 
4704 	if (ha->flt)
4705 		dma_free_coherent(&ha->pdev->dev,
4706 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4707 		    ha->flt, ha->flt_dma);
4708 	ha->flt = NULL;
4709 	ha->flt_dma = 0;
4710 
4711 	if (ha->ms_iocb)
4712 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4713 	ha->ms_iocb = NULL;
4714 	ha->ms_iocb_dma = 0;
4715 
4716 	if (ha->sf_init_cb)
4717 		dma_pool_free(ha->s_dma_pool,
4718 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4719 
4720 	if (ha->ex_init_cb)
4721 		dma_pool_free(ha->s_dma_pool,
4722 			ha->ex_init_cb, ha->ex_init_cb_dma);
4723 	ha->ex_init_cb = NULL;
4724 	ha->ex_init_cb_dma = 0;
4725 
4726 	if (ha->async_pd)
4727 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4728 	ha->async_pd = NULL;
4729 	ha->async_pd_dma = 0;
4730 
4731 	dma_pool_destroy(ha->s_dma_pool);
4732 	ha->s_dma_pool = NULL;
4733 
4734 	if (ha->gid_list)
4735 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4736 		ha->gid_list, ha->gid_list_dma);
4737 	ha->gid_list = NULL;
4738 	ha->gid_list_dma = 0;
4739 
4740 	if (IS_QLA82XX(ha)) {
4741 		if (!list_empty(&ha->gbl_dsd_list)) {
4742 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4743 
4744 			/* clean up allocated prev pool */
4745 			list_for_each_entry_safe(dsd_ptr,
4746 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4747 				dma_pool_free(ha->dl_dma_pool,
4748 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4749 				list_del(&dsd_ptr->list);
4750 				kfree(dsd_ptr);
4751 			}
4752 		}
4753 	}
4754 
4755 	dma_pool_destroy(ha->dl_dma_pool);
4756 	ha->dl_dma_pool = NULL;
4757 
4758 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4759 	ha->fcp_cmnd_dma_pool = NULL;
4760 
4761 	mempool_destroy(ha->ctx_mempool);
4762 	ha->ctx_mempool = NULL;
4763 
4764 	if (ql2xenabledif && ha->dif_bundl_pool) {
4765 		struct dsd_dma *dsd, *nxt;
4766 
4767 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4768 					 list) {
4769 			list_del(&dsd->list);
4770 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4771 				      dsd->dsd_list_dma);
4772 			ha->dif_bundle_dma_allocs--;
4773 			kfree(dsd);
4774 			ha->dif_bundle_kallocs--;
4775 			ha->pool.unusable.count--;
4776 		}
4777 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4778 			list_del(&dsd->list);
4779 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4780 				      dsd->dsd_list_dma);
4781 			ha->dif_bundle_dma_allocs--;
4782 			kfree(dsd);
4783 			ha->dif_bundle_kallocs--;
4784 		}
4785 	}
4786 
4787 	dma_pool_destroy(ha->dif_bundl_pool);
4788 	ha->dif_bundl_pool = NULL;
4789 
4790 	qlt_mem_free(ha);
4791 
4792 	if (ha->init_cb)
4793 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4794 			ha->init_cb, ha->init_cb_dma);
4795 	ha->init_cb = NULL;
4796 	ha->init_cb_dma = 0;
4797 
4798 	vfree(ha->optrom_buffer);
4799 	ha->optrom_buffer = NULL;
4800 	kfree(ha->nvram);
4801 	ha->nvram = NULL;
4802 	kfree(ha->npiv_info);
4803 	ha->npiv_info = NULL;
4804 	kfree(ha->swl);
4805 	ha->swl = NULL;
4806 	kfree(ha->loop_id_map);
4807 	ha->sf_init_cb = NULL;
4808 	ha->sf_init_cb_dma = 0;
4809 	ha->loop_id_map = NULL;
4810 }
4811 
4812 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4813 						struct qla_hw_data *ha)
4814 {
4815 	struct Scsi_Host *host;
4816 	struct scsi_qla_host *vha = NULL;
4817 
4818 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4819 	if (!host) {
4820 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4821 		    "Failed to allocate host from the scsi layer, aborting.\n");
4822 		return NULL;
4823 	}
4824 
4825 	/* Clear our data area */
4826 	vha = shost_priv(host);
4827 	memset(vha, 0, sizeof(scsi_qla_host_t));
4828 
4829 	vha->host = host;
4830 	vha->host_no = host->host_no;
4831 	vha->hw = ha;
4832 
4833 	vha->qlini_mode = ql2x_ini_mode;
4834 	vha->ql2xexchoffld = ql2xexchoffld;
4835 	vha->ql2xiniexchg = ql2xiniexchg;
4836 
4837 	INIT_LIST_HEAD(&vha->vp_fcports);
4838 	INIT_LIST_HEAD(&vha->work_list);
4839 	INIT_LIST_HEAD(&vha->list);
4840 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4841 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4842 	INIT_LIST_HEAD(&vha->logo_list);
4843 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4844 	INIT_LIST_HEAD(&vha->qp_list);
4845 	INIT_LIST_HEAD(&vha->gnl.fcports);
4846 	INIT_LIST_HEAD(&vha->gpnid_list);
4847 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4848 
4849 	INIT_LIST_HEAD(&vha->purex_list.head);
4850 	spin_lock_init(&vha->purex_list.lock);
4851 
4852 	spin_lock_init(&vha->work_lock);
4853 	spin_lock_init(&vha->cmd_list_lock);
4854 	init_waitqueue_head(&vha->fcport_waitQ);
4855 	init_waitqueue_head(&vha->vref_waitq);
4856 
4857 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4858 			(ha->max_loop_id + 1);
4859 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4860 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4861 	if (!vha->gnl.l) {
4862 		ql_log(ql_log_fatal, vha, 0xd04a,
4863 		    "Alloc failed for name list.\n");
4864 		scsi_host_put(vha->host);
4865 		return NULL;
4866 	}
4867 
4868 	/* todo: what about ext login? */
4869 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4870 	vha->scan.l = vmalloc(vha->scan.size);
4871 	if (!vha->scan.l) {
4872 		ql_log(ql_log_fatal, vha, 0xd04a,
4873 		    "Alloc failed for scan database.\n");
4874 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4875 		    vha->gnl.l, vha->gnl.ldma);
4876 		vha->gnl.l = NULL;
4877 		scsi_host_put(vha->host);
4878 		return NULL;
4879 	}
4880 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4881 
4882 	sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
4883 	ql_dbg(ql_dbg_init, vha, 0x0041,
4884 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4885 	    vha->host, vha->hw, vha,
4886 	    dev_name(&(ha->pdev->dev)));
4887 
4888 	return vha;
4889 }
4890 
4891 struct qla_work_evt *
4892 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4893 {
4894 	struct qla_work_evt *e;
4895 	uint8_t bail;
4896 
4897 	if (test_bit(UNLOADING, &vha->dpc_flags))
4898 		return NULL;
4899 
4900 	QLA_VHA_MARK_BUSY(vha, bail);
4901 	if (bail)
4902 		return NULL;
4903 
4904 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4905 	if (!e) {
4906 		QLA_VHA_MARK_NOT_BUSY(vha);
4907 		return NULL;
4908 	}
4909 
4910 	INIT_LIST_HEAD(&e->list);
4911 	e->type = type;
4912 	e->flags = QLA_EVT_FLAG_FREE;
4913 	return e;
4914 }
4915 
4916 int
4917 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4918 {
4919 	unsigned long flags;
4920 	bool q = false;
4921 
4922 	spin_lock_irqsave(&vha->work_lock, flags);
4923 	list_add_tail(&e->list, &vha->work_list);
4924 
4925 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4926 		q = true;
4927 
4928 	spin_unlock_irqrestore(&vha->work_lock, flags);
4929 
4930 	if (q)
4931 		queue_work(vha->hw->wq, &vha->iocb_work);
4932 
4933 	return QLA_SUCCESS;
4934 }
4935 
4936 int
4937 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4938     u32 data)
4939 {
4940 	struct qla_work_evt *e;
4941 
4942 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4943 	if (!e)
4944 		return QLA_FUNCTION_FAILED;
4945 
4946 	e->u.aen.code = code;
4947 	e->u.aen.data = data;
4948 	return qla2x00_post_work(vha, e);
4949 }
4950 
4951 int
4952 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4953 {
4954 	struct qla_work_evt *e;
4955 
4956 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4957 	if (!e)
4958 		return QLA_FUNCTION_FAILED;
4959 
4960 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4961 	return qla2x00_post_work(vha, e);
4962 }
4963 
4964 #define qla2x00_post_async_work(name, type)	\
4965 int qla2x00_post_async_##name##_work(		\
4966     struct scsi_qla_host *vha,			\
4967     fc_port_t *fcport, uint16_t *data)		\
4968 {						\
4969 	struct qla_work_evt *e;			\
4970 						\
4971 	e = qla2x00_alloc_work(vha, type);	\
4972 	if (!e)					\
4973 		return QLA_FUNCTION_FAILED;	\
4974 						\
4975 	e->u.logio.fcport = fcport;		\
4976 	if (data) {				\
4977 		e->u.logio.data[0] = data[0];	\
4978 		e->u.logio.data[1] = data[1];	\
4979 	}					\
4980 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4981 	return qla2x00_post_work(vha, e);	\
4982 }
4983 
4984 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4985 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4986 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4987 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4988 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4989 
4990 int
4991 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4992 {
4993 	struct qla_work_evt *e;
4994 
4995 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4996 	if (!e)
4997 		return QLA_FUNCTION_FAILED;
4998 
4999 	e->u.uevent.code = code;
5000 	return qla2x00_post_work(vha, e);
5001 }
5002 
5003 static void
5004 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5005 {
5006 	char event_string[40];
5007 	char *envp[] = { event_string, NULL };
5008 
5009 	switch (code) {
5010 	case QLA_UEVENT_CODE_FW_DUMP:
5011 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5012 		    vha->host_no);
5013 		break;
5014 	default:
5015 		/* do nothing */
5016 		break;
5017 	}
5018 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5019 }
5020 
5021 int
5022 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5023 			uint32_t *data, int cnt)
5024 {
5025 	struct qla_work_evt *e;
5026 
5027 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5028 	if (!e)
5029 		return QLA_FUNCTION_FAILED;
5030 
5031 	e->u.aenfx.evtcode = evtcode;
5032 	e->u.aenfx.count = cnt;
5033 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5034 	return qla2x00_post_work(vha, e);
5035 }
5036 
5037 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5038 {
5039 	unsigned long flags;
5040 
5041 	if (IS_SW_RESV_ADDR(fcport->d_id))
5042 		return;
5043 
5044 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5045 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5046 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5047 		return;
5048 	}
5049 	fcport->jiffies_at_registration = jiffies;
5050 	fcport->sec_since_registration = 0;
5051 	fcport->next_disc_state = DSC_DELETED;
5052 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5053 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5054 
5055 	queue_work(system_unbound_wq, &fcport->reg_work);
5056 }
5057 
5058 static
5059 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5060 {
5061 	unsigned long flags;
5062 	fc_port_t *fcport =  NULL, *tfcp;
5063 	struct qlt_plogi_ack_t *pla =
5064 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5065 	uint8_t free_fcport = 0;
5066 
5067 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5068 	    "%s %d %8phC enter\n",
5069 	    __func__, __LINE__, e->u.new_sess.port_name);
5070 
5071 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5072 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5073 	if (fcport) {
5074 		fcport->d_id = e->u.new_sess.id;
5075 		if (pla) {
5076 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5077 			memcpy(fcport->node_name,
5078 			    pla->iocb.u.isp24.u.plogi.node_name,
5079 			    WWN_SIZE);
5080 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5081 			/* we took an extra ref_count to prevent PLOGI ACK when
5082 			 * fcport/sess has not been created.
5083 			 */
5084 			pla->ref_count--;
5085 		}
5086 	} else {
5087 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5088 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5089 		if (fcport) {
5090 			fcport->d_id = e->u.new_sess.id;
5091 			fcport->flags |= FCF_FABRIC_DEVICE;
5092 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5093 
5094 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5095 			    WWN_SIZE);
5096 
5097 			fcport->fc4_type = e->u.new_sess.fc4_type;
5098 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5099 				fcport->dm_login_expire = jiffies +
5100 					QLA_N2N_WAIT_TIME * HZ;
5101 				fcport->fc4_type = FS_FC4TYPE_FCP;
5102 				fcport->n2n_flag = 1;
5103 				if (vha->flags.nvme_enabled)
5104 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5105 			}
5106 
5107 		} else {
5108 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5109 				   "%s %8phC mem alloc fail.\n",
5110 				   __func__, e->u.new_sess.port_name);
5111 
5112 			if (pla) {
5113 				list_del(&pla->list);
5114 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5115 			}
5116 			return;
5117 		}
5118 
5119 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5120 		/* search again to make sure no one else got ahead */
5121 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5122 		    e->u.new_sess.port_name, 1);
5123 		if (tfcp) {
5124 			/* should rarily happen */
5125 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5126 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5127 			    __func__, tfcp->port_name, tfcp->disc_state,
5128 			    tfcp->fw_login_state);
5129 
5130 			free_fcport = 1;
5131 		} else {
5132 			list_add_tail(&fcport->list, &vha->vp_fcports);
5133 
5134 		}
5135 		if (pla) {
5136 			qlt_plogi_ack_link(vha, pla, fcport,
5137 			    QLT_PLOGI_LINK_SAME_WWN);
5138 			pla->ref_count--;
5139 		}
5140 	}
5141 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5142 
5143 	if (fcport) {
5144 		fcport->id_changed = 1;
5145 		fcport->scan_state = QLA_FCPORT_FOUND;
5146 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5147 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5148 
5149 		if (pla) {
5150 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5151 				u16 wd3_lo;
5152 
5153 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5154 				fcport->local = 0;
5155 				fcport->loop_id =
5156 					le16_to_cpu(
5157 					    pla->iocb.u.isp24.nport_handle);
5158 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5159 				wd3_lo =
5160 				    le16_to_cpu(
5161 					pla->iocb.u.isp24.u.prli.wd3_lo);
5162 
5163 				if (wd3_lo & BIT_7)
5164 					fcport->conf_compl_supported = 1;
5165 
5166 				if ((wd3_lo & BIT_4) == 0)
5167 					fcport->port_type = FCT_INITIATOR;
5168 				else
5169 					fcport->port_type = FCT_TARGET;
5170 			}
5171 			qlt_plogi_ack_unref(vha, pla);
5172 		} else {
5173 			fc_port_t *dfcp = NULL;
5174 
5175 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5176 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5177 			    &e->u.new_sess.id, 1);
5178 			if (tfcp && (tfcp != fcport)) {
5179 				/*
5180 				 * We have a conflict fcport with same NportID.
5181 				 */
5182 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5183 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5184 				    __func__, tfcp->port_name, tfcp->disc_state,
5185 				    tfcp->fw_login_state);
5186 
5187 				switch (tfcp->disc_state) {
5188 				case DSC_DELETED:
5189 					break;
5190 				case DSC_DELETE_PEND:
5191 					fcport->login_pause = 1;
5192 					tfcp->conflict = fcport;
5193 					break;
5194 				default:
5195 					fcport->login_pause = 1;
5196 					tfcp->conflict = fcport;
5197 					dfcp = tfcp;
5198 					break;
5199 				}
5200 			}
5201 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5202 			if (dfcp)
5203 				qlt_schedule_sess_for_deletion(tfcp);
5204 
5205 			if (N2N_TOPO(vha->hw)) {
5206 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5207 				fcport->keep_nport_handle = 1;
5208 				if (vha->flags.nvme_enabled) {
5209 					fcport->fc4_type =
5210 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5211 					fcport->n2n_flag = 1;
5212 				}
5213 				fcport->fw_login_state = 0;
5214 
5215 				schedule_delayed_work(&vha->scan.scan_work, 5);
5216 			} else {
5217 				qla24xx_fcport_handle_login(vha, fcport);
5218 			}
5219 		}
5220 	}
5221 
5222 	if (free_fcport) {
5223 		qla2x00_free_fcport(fcport);
5224 		if (pla) {
5225 			list_del(&pla->list);
5226 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5227 		}
5228 	}
5229 }
5230 
5231 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5232 {
5233 	struct srb *sp = e->u.iosb.sp;
5234 	int rval;
5235 
5236 	rval = qla2x00_start_sp(sp);
5237 	if (rval != QLA_SUCCESS) {
5238 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5239 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5240 		    __func__, sp->name, rval);
5241 		qla24xx_sp_unmap(vha, sp);
5242 	}
5243 }
5244 
5245 void
5246 qla2x00_do_work(struct scsi_qla_host *vha)
5247 {
5248 	struct qla_work_evt *e, *tmp;
5249 	unsigned long flags;
5250 	LIST_HEAD(work);
5251 	int rc;
5252 
5253 	spin_lock_irqsave(&vha->work_lock, flags);
5254 	list_splice_init(&vha->work_list, &work);
5255 	spin_unlock_irqrestore(&vha->work_lock, flags);
5256 
5257 	list_for_each_entry_safe(e, tmp, &work, list) {
5258 		rc = QLA_SUCCESS;
5259 		switch (e->type) {
5260 		case QLA_EVT_AEN:
5261 			fc_host_post_event(vha->host, fc_get_event_number(),
5262 			    e->u.aen.code, e->u.aen.data);
5263 			break;
5264 		case QLA_EVT_IDC_ACK:
5265 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5266 			break;
5267 		case QLA_EVT_ASYNC_LOGIN:
5268 			qla2x00_async_login(vha, e->u.logio.fcport,
5269 			    e->u.logio.data);
5270 			break;
5271 		case QLA_EVT_ASYNC_LOGOUT:
5272 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5273 			break;
5274 		case QLA_EVT_ASYNC_ADISC:
5275 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5276 			    e->u.logio.data);
5277 			break;
5278 		case QLA_EVT_UEVENT:
5279 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5280 			break;
5281 		case QLA_EVT_AENFX:
5282 			qlafx00_process_aen(vha, e);
5283 			break;
5284 		case QLA_EVT_GPNID:
5285 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5286 			break;
5287 		case QLA_EVT_UNMAP:
5288 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5289 			break;
5290 		case QLA_EVT_RELOGIN:
5291 			qla2x00_relogin(vha);
5292 			break;
5293 		case QLA_EVT_NEW_SESS:
5294 			qla24xx_create_new_sess(vha, e);
5295 			break;
5296 		case QLA_EVT_GPDB:
5297 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5298 			    e->u.fcport.opt);
5299 			break;
5300 		case QLA_EVT_PRLI:
5301 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5302 			break;
5303 		case QLA_EVT_GPSC:
5304 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5305 			break;
5306 		case QLA_EVT_GNL:
5307 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5308 			break;
5309 		case QLA_EVT_NACK:
5310 			qla24xx_do_nack_work(vha, e);
5311 			break;
5312 		case QLA_EVT_ASYNC_PRLO:
5313 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5314 			break;
5315 		case QLA_EVT_ASYNC_PRLO_DONE:
5316 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5317 			    e->u.logio.data);
5318 			break;
5319 		case QLA_EVT_GPNFT:
5320 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5321 			    e->u.gpnft.sp);
5322 			break;
5323 		case QLA_EVT_GPNFT_DONE:
5324 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5325 			break;
5326 		case QLA_EVT_GNNFT_DONE:
5327 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5328 			break;
5329 		case QLA_EVT_GNNID:
5330 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5331 			break;
5332 		case QLA_EVT_GFPNID:
5333 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5334 			break;
5335 		case QLA_EVT_SP_RETRY:
5336 			qla_sp_retry(vha, e);
5337 			break;
5338 		case QLA_EVT_IIDMA:
5339 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5340 			break;
5341 		case QLA_EVT_ELS_PLOGI:
5342 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5343 			    e->u.fcport.fcport, false);
5344 			break;
5345 		}
5346 
5347 		if (rc == EAGAIN) {
5348 			/* put 'work' at head of 'vha->work_list' */
5349 			spin_lock_irqsave(&vha->work_lock, flags);
5350 			list_splice(&work, &vha->work_list);
5351 			spin_unlock_irqrestore(&vha->work_lock, flags);
5352 			break;
5353 		}
5354 		list_del_init(&e->list);
5355 		if (e->flags & QLA_EVT_FLAG_FREE)
5356 			kfree(e);
5357 
5358 		/* For each work completed decrement vha ref count */
5359 		QLA_VHA_MARK_NOT_BUSY(vha);
5360 	}
5361 }
5362 
5363 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5364 {
5365 	struct qla_work_evt *e;
5366 
5367 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5368 
5369 	if (!e) {
5370 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5371 		return QLA_FUNCTION_FAILED;
5372 	}
5373 
5374 	return qla2x00_post_work(vha, e);
5375 }
5376 
5377 /* Relogins all the fcports of a vport
5378  * Context: dpc thread
5379  */
5380 void qla2x00_relogin(struct scsi_qla_host *vha)
5381 {
5382 	fc_port_t       *fcport;
5383 	int status, relogin_needed = 0;
5384 	struct event_arg ea;
5385 
5386 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5387 		/*
5388 		 * If the port is not ONLINE then try to login
5389 		 * to it if we haven't run out of retries.
5390 		 */
5391 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5392 		    fcport->login_retry) {
5393 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5394 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5395 				continue;
5396 
5397 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5398 				fcport->disc_state == DSC_DELETE_PEND) {
5399 				relogin_needed = 1;
5400 			} else {
5401 				if (vha->hw->current_topology != ISP_CFG_NL) {
5402 					memset(&ea, 0, sizeof(ea));
5403 					ea.fcport = fcport;
5404 					qla24xx_handle_relogin_event(vha, &ea);
5405 				} else if (vha->hw->current_topology ==
5406 				    ISP_CFG_NL) {
5407 					fcport->login_retry--;
5408 					status =
5409 					    qla2x00_local_device_login(vha,
5410 						fcport);
5411 					if (status == QLA_SUCCESS) {
5412 						fcport->old_loop_id =
5413 						    fcport->loop_id;
5414 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5415 						    "Port login OK: logged in ID 0x%x.\n",
5416 						    fcport->loop_id);
5417 						qla2x00_update_fcport
5418 							(vha, fcport);
5419 					} else if (status == 1) {
5420 						set_bit(RELOGIN_NEEDED,
5421 						    &vha->dpc_flags);
5422 						/* retry the login again */
5423 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5424 						    "Retrying %d login again loop_id 0x%x.\n",
5425 						    fcport->login_retry,
5426 						    fcport->loop_id);
5427 					} else {
5428 						fcport->login_retry = 0;
5429 					}
5430 
5431 					if (fcport->login_retry == 0 &&
5432 					    status != QLA_SUCCESS)
5433 						qla2x00_clear_loop_id(fcport);
5434 				}
5435 			}
5436 		}
5437 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5438 			break;
5439 	}
5440 
5441 	if (relogin_needed)
5442 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5443 
5444 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5445 	    "Relogin end.\n");
5446 }
5447 
5448 /* Schedule work on any of the dpc-workqueues */
5449 void
5450 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5451 {
5452 	struct qla_hw_data *ha = base_vha->hw;
5453 
5454 	switch (work_code) {
5455 	case MBA_IDC_AEN: /* 0x8200 */
5456 		if (ha->dpc_lp_wq)
5457 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5458 		break;
5459 
5460 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5461 		if (!ha->flags.nic_core_reset_hdlr_active) {
5462 			if (ha->dpc_hp_wq)
5463 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5464 		} else
5465 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5466 			    "NIC Core reset is already active. Skip "
5467 			    "scheduling it again.\n");
5468 		break;
5469 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5470 		if (ha->dpc_hp_wq)
5471 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5472 		break;
5473 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5474 		if (ha->dpc_hp_wq)
5475 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5476 		break;
5477 	default:
5478 		ql_log(ql_log_warn, base_vha, 0xb05f,
5479 		    "Unknown work-code=0x%x.\n", work_code);
5480 	}
5481 
5482 	return;
5483 }
5484 
5485 /* Work: Perform NIC Core Unrecoverable state handling */
5486 void
5487 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5488 {
5489 	struct qla_hw_data *ha =
5490 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5491 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5492 	uint32_t dev_state = 0;
5493 
5494 	qla83xx_idc_lock(base_vha, 0);
5495 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5496 	qla83xx_reset_ownership(base_vha);
5497 	if (ha->flags.nic_core_reset_owner) {
5498 		ha->flags.nic_core_reset_owner = 0;
5499 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5500 		    QLA8XXX_DEV_FAILED);
5501 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5502 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5503 	}
5504 	qla83xx_idc_unlock(base_vha, 0);
5505 }
5506 
5507 /* Work: Execute IDC state handler */
5508 void
5509 qla83xx_idc_state_handler_work(struct work_struct *work)
5510 {
5511 	struct qla_hw_data *ha =
5512 		container_of(work, struct qla_hw_data, idc_state_handler);
5513 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5514 	uint32_t dev_state = 0;
5515 
5516 	qla83xx_idc_lock(base_vha, 0);
5517 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5518 	if (dev_state == QLA8XXX_DEV_FAILED ||
5519 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5520 		qla83xx_idc_state_handler(base_vha);
5521 	qla83xx_idc_unlock(base_vha, 0);
5522 }
5523 
5524 static int
5525 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5526 {
5527 	int rval = QLA_SUCCESS;
5528 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5529 	uint32_t heart_beat_counter1, heart_beat_counter2;
5530 
5531 	do {
5532 		if (time_after(jiffies, heart_beat_wait)) {
5533 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5534 			    "Nic Core f/w is not alive.\n");
5535 			rval = QLA_FUNCTION_FAILED;
5536 			break;
5537 		}
5538 
5539 		qla83xx_idc_lock(base_vha, 0);
5540 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5541 		    &heart_beat_counter1);
5542 		qla83xx_idc_unlock(base_vha, 0);
5543 		msleep(100);
5544 		qla83xx_idc_lock(base_vha, 0);
5545 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5546 		    &heart_beat_counter2);
5547 		qla83xx_idc_unlock(base_vha, 0);
5548 	} while (heart_beat_counter1 == heart_beat_counter2);
5549 
5550 	return rval;
5551 }
5552 
5553 /* Work: Perform NIC Core Reset handling */
5554 void
5555 qla83xx_nic_core_reset_work(struct work_struct *work)
5556 {
5557 	struct qla_hw_data *ha =
5558 		container_of(work, struct qla_hw_data, nic_core_reset);
5559 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5560 	uint32_t dev_state = 0;
5561 
5562 	if (IS_QLA2031(ha)) {
5563 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5564 			ql_log(ql_log_warn, base_vha, 0xb081,
5565 			    "Failed to dump mctp\n");
5566 		return;
5567 	}
5568 
5569 	if (!ha->flags.nic_core_reset_hdlr_active) {
5570 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5571 			qla83xx_idc_lock(base_vha, 0);
5572 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5573 			    &dev_state);
5574 			qla83xx_idc_unlock(base_vha, 0);
5575 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5576 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5577 				    "Nic Core f/w is alive.\n");
5578 				return;
5579 			}
5580 		}
5581 
5582 		ha->flags.nic_core_reset_hdlr_active = 1;
5583 		if (qla83xx_nic_core_reset(base_vha)) {
5584 			/* NIC Core reset failed. */
5585 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5586 			    "NIC Core reset failed.\n");
5587 		}
5588 		ha->flags.nic_core_reset_hdlr_active = 0;
5589 	}
5590 }
5591 
5592 /* Work: Handle 8200 IDC aens */
5593 void
5594 qla83xx_service_idc_aen(struct work_struct *work)
5595 {
5596 	struct qla_hw_data *ha =
5597 		container_of(work, struct qla_hw_data, idc_aen);
5598 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5599 	uint32_t dev_state, idc_control;
5600 
5601 	qla83xx_idc_lock(base_vha, 0);
5602 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5603 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5604 	qla83xx_idc_unlock(base_vha, 0);
5605 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5606 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5607 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5608 			    "Application requested NIC Core Reset.\n");
5609 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5610 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5611 		    QLA_SUCCESS) {
5612 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5613 			    "Other protocol driver requested NIC Core Reset.\n");
5614 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5615 		}
5616 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5617 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5618 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5619 	}
5620 }
5621 
5622 /*
5623  * Control the frequency of IDC lock retries
5624  */
5625 #define QLA83XX_WAIT_LOGIC_MS	100
5626 
5627 static int
5628 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5629 {
5630 	int rval;
5631 	uint32_t data;
5632 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5633 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5634 	struct qla_hw_data *ha = base_vha->hw;
5635 
5636 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5637 	    "Trying force recovery of the IDC lock.\n");
5638 
5639 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5640 	if (rval)
5641 		return rval;
5642 
5643 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5644 		return QLA_SUCCESS;
5645 	} else {
5646 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5647 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5648 		    data);
5649 		if (rval)
5650 			return rval;
5651 
5652 		msleep(200);
5653 
5654 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5655 		    &data);
5656 		if (rval)
5657 			return rval;
5658 
5659 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5660 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5661 					~(idc_lck_rcvry_stage_mask));
5662 			rval = qla83xx_wr_reg(base_vha,
5663 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5664 			if (rval)
5665 				return rval;
5666 
5667 			/* Forcefully perform IDC UnLock */
5668 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5669 			    &data);
5670 			if (rval)
5671 				return rval;
5672 			/* Clear lock-id by setting 0xff */
5673 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5674 			    0xff);
5675 			if (rval)
5676 				return rval;
5677 			/* Clear lock-recovery by setting 0x0 */
5678 			rval = qla83xx_wr_reg(base_vha,
5679 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5680 			if (rval)
5681 				return rval;
5682 		} else
5683 			return QLA_SUCCESS;
5684 	}
5685 
5686 	return rval;
5687 }
5688 
5689 static int
5690 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5691 {
5692 	int rval = QLA_SUCCESS;
5693 	uint32_t o_drv_lockid, n_drv_lockid;
5694 	unsigned long lock_recovery_timeout;
5695 
5696 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5697 retry_lockid:
5698 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5699 	if (rval)
5700 		goto exit;
5701 
5702 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5703 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5704 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5705 			return QLA_SUCCESS;
5706 		else
5707 			return QLA_FUNCTION_FAILED;
5708 	}
5709 
5710 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5711 	if (rval)
5712 		goto exit;
5713 
5714 	if (o_drv_lockid == n_drv_lockid) {
5715 		msleep(QLA83XX_WAIT_LOGIC_MS);
5716 		goto retry_lockid;
5717 	} else
5718 		return QLA_SUCCESS;
5719 
5720 exit:
5721 	return rval;
5722 }
5723 
5724 /*
5725  * Context: task, can sleep
5726  */
5727 void
5728 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5729 {
5730 	uint32_t data;
5731 	uint32_t lock_owner;
5732 	struct qla_hw_data *ha = base_vha->hw;
5733 
5734 	might_sleep();
5735 
5736 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5737 retry_lock:
5738 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5739 	    == QLA_SUCCESS) {
5740 		if (data) {
5741 			/* Setting lock-id to our function-number */
5742 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5743 			    ha->portnum);
5744 		} else {
5745 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5746 			    &lock_owner);
5747 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5748 			    "Failed to acquire IDC lock, acquired by %d, "
5749 			    "retrying...\n", lock_owner);
5750 
5751 			/* Retry/Perform IDC-Lock recovery */
5752 			if (qla83xx_idc_lock_recovery(base_vha)
5753 			    == QLA_SUCCESS) {
5754 				msleep(QLA83XX_WAIT_LOGIC_MS);
5755 				goto retry_lock;
5756 			} else
5757 				ql_log(ql_log_warn, base_vha, 0xb075,
5758 				    "IDC Lock recovery FAILED.\n");
5759 		}
5760 
5761 	}
5762 
5763 	return;
5764 }
5765 
5766 static bool
5767 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5768 	struct purex_entry_24xx *purex)
5769 {
5770 	char fwstr[16];
5771 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5772 	struct port_database_24xx *pdb;
5773 
5774 	/* Domain Controller is always logged-out. */
5775 	/* if RDP request is not from Domain Controller: */
5776 	if (sid != 0xfffc01)
5777 		return false;
5778 
5779 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5780 
5781 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5782 	if (!pdb) {
5783 		ql_dbg(ql_dbg_init, vha, 0x0181,
5784 		    "%s: Failed allocate pdb\n", __func__);
5785 	} else if (qla24xx_get_port_database(vha,
5786 				le16_to_cpu(purex->nport_handle), pdb)) {
5787 		ql_dbg(ql_dbg_init, vha, 0x0181,
5788 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
5789 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5790 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
5791 		ql_dbg(ql_dbg_init, vha, 0x0181,
5792 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
5793 	} else {
5794 		/* RDP request is from logged in port */
5795 		kfree(pdb);
5796 		return false;
5797 	}
5798 	kfree(pdb);
5799 
5800 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5801 	fwstr[strcspn(fwstr, " ")] = 0;
5802 	/* if FW version allows RDP response length upto 2048 bytes: */
5803 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5804 		return false;
5805 
5806 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5807 
5808 	/* RDP response length is to be reduced to maximum 256 bytes */
5809 	return true;
5810 }
5811 
5812 /*
5813  * Function Name: qla24xx_process_purex_iocb
5814  *
5815  * Description:
5816  * Prepare a RDP response and send to Fabric switch
5817  *
5818  * PARAMETERS:
5819  * vha:	SCSI qla host
5820  * purex: RDP request received by HBA
5821  */
5822 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
5823 			       struct purex_item *item)
5824 {
5825 	struct qla_hw_data *ha = vha->hw;
5826 	struct purex_entry_24xx *purex =
5827 	    (struct purex_entry_24xx *)&item->iocb;
5828 	dma_addr_t rsp_els_dma;
5829 	dma_addr_t rsp_payload_dma;
5830 	dma_addr_t stat_dma;
5831 	dma_addr_t sfp_dma;
5832 	struct els_entry_24xx *rsp_els = NULL;
5833 	struct rdp_rsp_payload *rsp_payload = NULL;
5834 	struct link_statistics *stat = NULL;
5835 	uint8_t *sfp = NULL;
5836 	uint16_t sfp_flags = 0;
5837 	uint rsp_payload_length = sizeof(*rsp_payload);
5838 	int rval;
5839 
5840 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
5841 	    "%s: Enter\n", __func__);
5842 
5843 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
5844 	    "-------- ELS REQ -------\n");
5845 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
5846 	    purex, sizeof(*purex));
5847 
5848 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
5849 		rsp_payload_length =
5850 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
5851 		ql_dbg(ql_dbg_init, vha, 0x0181,
5852 		    "Reducing RSP payload length to %u bytes...\n",
5853 		    rsp_payload_length);
5854 	}
5855 
5856 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
5857 	    &rsp_els_dma, GFP_KERNEL);
5858 	if (!rsp_els) {
5859 		ql_log(ql_log_warn, vha, 0x0183,
5860 		    "Failed allocate dma buffer ELS RSP.\n");
5861 		goto dealloc;
5862 	}
5863 
5864 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
5865 	    &rsp_payload_dma, GFP_KERNEL);
5866 	if (!rsp_payload) {
5867 		ql_log(ql_log_warn, vha, 0x0184,
5868 		    "Failed allocate dma buffer ELS RSP payload.\n");
5869 		goto dealloc;
5870 	}
5871 
5872 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
5873 	    &sfp_dma, GFP_KERNEL);
5874 
5875 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
5876 	    &stat_dma, GFP_KERNEL);
5877 
5878 	/* Prepare Response IOCB */
5879 	rsp_els->entry_type = ELS_IOCB_TYPE;
5880 	rsp_els->entry_count = 1;
5881 	rsp_els->sys_define = 0;
5882 	rsp_els->entry_status = 0;
5883 	rsp_els->handle = 0;
5884 	rsp_els->nport_handle = purex->nport_handle;
5885 	rsp_els->tx_dsd_count = cpu_to_le16(1);
5886 	rsp_els->vp_index = purex->vp_idx;
5887 	rsp_els->sof_type = EST_SOFI3;
5888 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
5889 	rsp_els->rx_dsd_count = 0;
5890 	rsp_els->opcode = purex->els_frame_payload[0];
5891 
5892 	rsp_els->d_id[0] = purex->s_id[0];
5893 	rsp_els->d_id[1] = purex->s_id[1];
5894 	rsp_els->d_id[2] = purex->s_id[2];
5895 
5896 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
5897 	rsp_els->rx_byte_count = 0;
5898 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
5899 
5900 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
5901 	rsp_els->tx_len = rsp_els->tx_byte_count;
5902 
5903 	rsp_els->rx_address = 0;
5904 	rsp_els->rx_len = 0;
5905 
5906 	/* Prepare Response Payload */
5907 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
5908 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
5909 					   sizeof(rsp_payload->hdr));
5910 
5911 	/* Link service Request Info Descriptor */
5912 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
5913 	rsp_payload->ls_req_info_desc.desc_len =
5914 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
5915 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
5916 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5917 
5918 	/* Link service Request Info Descriptor 2 */
5919 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
5920 	rsp_payload->ls_req_info_desc2.desc_len =
5921 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
5922 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
5923 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5924 
5925 
5926 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
5927 	rsp_payload->sfp_diag_desc.desc_len =
5928 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
5929 
5930 	if (sfp) {
5931 		/* SFP Flags */
5932 		memset(sfp, 0, SFP_RTDI_LEN);
5933 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
5934 		if (!rval) {
5935 			/* SFP Flags bits 3-0: Port Tx Laser Type */
5936 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
5937 				sfp_flags |= BIT_0; /* short wave */
5938 			else if (sfp[0] & BIT_1)
5939 				sfp_flags |= BIT_1; /* long wave 1310nm */
5940 			else if (sfp[1] & BIT_4)
5941 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
5942 		}
5943 
5944 		/* SFP Type */
5945 		memset(sfp, 0, SFP_RTDI_LEN);
5946 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
5947 		if (!rval) {
5948 			sfp_flags |= BIT_4; /* optical */
5949 			if (sfp[0] == 0x3)
5950 				sfp_flags |= BIT_6; /* sfp+ */
5951 		}
5952 
5953 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
5954 
5955 		/* SFP Diagnostics */
5956 		memset(sfp, 0, SFP_RTDI_LEN);
5957 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
5958 		if (!rval) {
5959 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
5960 			rsp_payload->sfp_diag_desc.temperature = trx[0];
5961 			rsp_payload->sfp_diag_desc.vcc = trx[1];
5962 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
5963 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
5964 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
5965 		}
5966 	}
5967 
5968 	/* Port Speed Descriptor */
5969 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
5970 	rsp_payload->port_speed_desc.desc_len =
5971 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
5972 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
5973 	    qla25xx_fdmi_port_speed_capability(ha));
5974 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
5975 	    qla25xx_fdmi_port_speed_currently(ha));
5976 
5977 	/* Link Error Status Descriptor */
5978 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
5979 	rsp_payload->ls_err_desc.desc_len =
5980 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
5981 
5982 	if (stat) {
5983 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
5984 		if (!rval) {
5985 			rsp_payload->ls_err_desc.link_fail_cnt =
5986 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
5987 			rsp_payload->ls_err_desc.loss_sync_cnt =
5988 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
5989 			rsp_payload->ls_err_desc.loss_sig_cnt =
5990 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
5991 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
5992 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
5993 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
5994 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
5995 			rsp_payload->ls_err_desc.inval_crc_cnt =
5996 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
5997 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
5998 		}
5999 	}
6000 
6001 	/* Portname Descriptor */
6002 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6003 	rsp_payload->port_name_diag_desc.desc_len =
6004 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6005 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6006 	    vha->node_name,
6007 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6008 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6009 	    vha->port_name,
6010 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6011 
6012 	/* F-Port Portname Descriptor */
6013 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6014 	rsp_payload->port_name_direct_desc.desc_len =
6015 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6016 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6017 	    vha->fabric_node_name,
6018 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6019 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6020 	    vha->fabric_port_name,
6021 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6022 
6023 	/* Bufer Credit Descriptor */
6024 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6025 	rsp_payload->buffer_credit_desc.desc_len =
6026 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6027 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6028 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6029 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6030 
6031 	if (ha->flags.plogi_template_valid) {
6032 		uint32_t tmp =
6033 		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6034 		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6035 	}
6036 
6037 	if (rsp_payload_length < sizeof(*rsp_payload))
6038 		goto send;
6039 
6040 	/* Optical Element Descriptor, Temperature */
6041 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6042 	rsp_payload->optical_elmt_desc[0].desc_len =
6043 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6044 	/* Optical Element Descriptor, Voltage */
6045 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6046 	rsp_payload->optical_elmt_desc[1].desc_len =
6047 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6048 	/* Optical Element Descriptor, Tx Bias Current */
6049 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6050 	rsp_payload->optical_elmt_desc[2].desc_len =
6051 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6052 	/* Optical Element Descriptor, Tx Power */
6053 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6054 	rsp_payload->optical_elmt_desc[3].desc_len =
6055 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6056 	/* Optical Element Descriptor, Rx Power */
6057 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6058 	rsp_payload->optical_elmt_desc[4].desc_len =
6059 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6060 
6061 	if (sfp) {
6062 		memset(sfp, 0, SFP_RTDI_LEN);
6063 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6064 		if (!rval) {
6065 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6066 
6067 			/* Optical Element Descriptor, Temperature */
6068 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6069 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6070 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6071 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6072 			rsp_payload->optical_elmt_desc[0].element_flags =
6073 			    cpu_to_be32(1 << 28);
6074 
6075 			/* Optical Element Descriptor, Voltage */
6076 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6077 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6078 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6079 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6080 			rsp_payload->optical_elmt_desc[1].element_flags =
6081 			    cpu_to_be32(2 << 28);
6082 
6083 			/* Optical Element Descriptor, Tx Bias Current */
6084 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6085 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6086 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6087 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6088 			rsp_payload->optical_elmt_desc[2].element_flags =
6089 			    cpu_to_be32(3 << 28);
6090 
6091 			/* Optical Element Descriptor, Tx Power */
6092 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6093 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6094 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6095 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6096 			rsp_payload->optical_elmt_desc[3].element_flags =
6097 			    cpu_to_be32(4 << 28);
6098 
6099 			/* Optical Element Descriptor, Rx Power */
6100 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6101 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6102 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6103 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6104 			rsp_payload->optical_elmt_desc[4].element_flags =
6105 			    cpu_to_be32(5 << 28);
6106 		}
6107 
6108 		memset(sfp, 0, SFP_RTDI_LEN);
6109 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6110 		if (!rval) {
6111 			/* Temperature high/low alarm/warning */
6112 			rsp_payload->optical_elmt_desc[0].element_flags |=
6113 			    cpu_to_be32(
6114 				(sfp[0] >> 7 & 1) << 3 |
6115 				(sfp[0] >> 6 & 1) << 2 |
6116 				(sfp[4] >> 7 & 1) << 1 |
6117 				(sfp[4] >> 6 & 1) << 0);
6118 
6119 			/* Voltage high/low alarm/warning */
6120 			rsp_payload->optical_elmt_desc[1].element_flags |=
6121 			    cpu_to_be32(
6122 				(sfp[0] >> 5 & 1) << 3 |
6123 				(sfp[0] >> 4 & 1) << 2 |
6124 				(sfp[4] >> 5 & 1) << 1 |
6125 				(sfp[4] >> 4 & 1) << 0);
6126 
6127 			/* Tx Bias Current high/low alarm/warning */
6128 			rsp_payload->optical_elmt_desc[2].element_flags |=
6129 			    cpu_to_be32(
6130 				(sfp[0] >> 3 & 1) << 3 |
6131 				(sfp[0] >> 2 & 1) << 2 |
6132 				(sfp[4] >> 3 & 1) << 1 |
6133 				(sfp[4] >> 2 & 1) << 0);
6134 
6135 			/* Tx Power high/low alarm/warning */
6136 			rsp_payload->optical_elmt_desc[3].element_flags |=
6137 			    cpu_to_be32(
6138 				(sfp[0] >> 1 & 1) << 3 |
6139 				(sfp[0] >> 0 & 1) << 2 |
6140 				(sfp[4] >> 1 & 1) << 1 |
6141 				(sfp[4] >> 0 & 1) << 0);
6142 
6143 			/* Rx Power high/low alarm/warning */
6144 			rsp_payload->optical_elmt_desc[4].element_flags |=
6145 			    cpu_to_be32(
6146 				(sfp[1] >> 7 & 1) << 3 |
6147 				(sfp[1] >> 6 & 1) << 2 |
6148 				(sfp[5] >> 7 & 1) << 1 |
6149 				(sfp[5] >> 6 & 1) << 0);
6150 		}
6151 	}
6152 
6153 	/* Optical Product Data Descriptor */
6154 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6155 	rsp_payload->optical_prod_desc.desc_len =
6156 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6157 
6158 	if (sfp) {
6159 		memset(sfp, 0, SFP_RTDI_LEN);
6160 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6161 		if (!rval) {
6162 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6163 			    sfp + 0,
6164 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6165 			memcpy(rsp_payload->optical_prod_desc.part_number,
6166 			    sfp + 20,
6167 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6168 			memcpy(rsp_payload->optical_prod_desc.revision,
6169 			    sfp + 36,
6170 			    sizeof(rsp_payload->optical_prod_desc.revision));
6171 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6172 			    sfp + 48,
6173 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6174 		}
6175 
6176 		memset(sfp, 0, SFP_RTDI_LEN);
6177 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6178 		if (!rval) {
6179 			memcpy(rsp_payload->optical_prod_desc.date,
6180 			    sfp + 0,
6181 			    sizeof(rsp_payload->optical_prod_desc.date));
6182 		}
6183 	}
6184 
6185 send:
6186 	ql_dbg(ql_dbg_init, vha, 0x0183,
6187 	    "Sending ELS Response to RDP Request...\n");
6188 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6189 	    "-------- ELS RSP -------\n");
6190 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6191 	    rsp_els, sizeof(*rsp_els));
6192 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6193 	    "-------- ELS RSP PAYLOAD -------\n");
6194 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6195 	    rsp_payload, rsp_payload_length);
6196 
6197 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6198 
6199 	if (rval) {
6200 		ql_log(ql_log_warn, vha, 0x0188,
6201 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6202 	} else if (rsp_els->comp_status) {
6203 		ql_log(ql_log_warn, vha, 0x0189,
6204 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6205 		    __func__, rsp_els->comp_status,
6206 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6207 	} else {
6208 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6209 	}
6210 
6211 dealloc:
6212 	if (stat)
6213 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6214 		    stat, stat_dma);
6215 	if (sfp)
6216 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6217 		    sfp, sfp_dma);
6218 	if (rsp_payload)
6219 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6220 		    rsp_payload, rsp_payload_dma);
6221 	if (rsp_els)
6222 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6223 		    rsp_els, rsp_els_dma);
6224 }
6225 
6226 void
6227 qla24xx_free_purex_item(struct purex_item *item)
6228 {
6229 	if (item == &item->vha->default_item)
6230 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6231 	else
6232 		kfree(item);
6233 }
6234 
6235 void qla24xx_process_purex_list(struct purex_list *list)
6236 {
6237 	struct list_head head = LIST_HEAD_INIT(head);
6238 	struct purex_item *item, *next;
6239 	ulong flags;
6240 
6241 	spin_lock_irqsave(&list->lock, flags);
6242 	list_splice_init(&list->head, &head);
6243 	spin_unlock_irqrestore(&list->lock, flags);
6244 
6245 	list_for_each_entry_safe(item, next, &head, list) {
6246 		list_del(&item->list);
6247 		item->process_item(item->vha, item);
6248 		qla24xx_free_purex_item(item);
6249 	}
6250 }
6251 
6252 /*
6253  * Context: task, can sleep
6254  */
6255 void
6256 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6257 {
6258 #if 0
6259 	uint16_t options = (requester_id << 15) | BIT_7;
6260 #endif
6261 	uint16_t retry;
6262 	uint32_t data;
6263 	struct qla_hw_data *ha = base_vha->hw;
6264 
6265 	might_sleep();
6266 
6267 	/* IDC-unlock implementation using driver-unlock/lock-id
6268 	 * remote registers
6269 	 */
6270 	retry = 0;
6271 retry_unlock:
6272 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6273 	    == QLA_SUCCESS) {
6274 		if (data == ha->portnum) {
6275 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6276 			/* Clearing lock-id by setting 0xff */
6277 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6278 		} else if (retry < 10) {
6279 			/* SV: XXX: IDC unlock retrying needed here? */
6280 
6281 			/* Retry for IDC-unlock */
6282 			msleep(QLA83XX_WAIT_LOGIC_MS);
6283 			retry++;
6284 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6285 			    "Failed to release IDC lock, retrying=%d\n", retry);
6286 			goto retry_unlock;
6287 		}
6288 	} else if (retry < 10) {
6289 		/* Retry for IDC-unlock */
6290 		msleep(QLA83XX_WAIT_LOGIC_MS);
6291 		retry++;
6292 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6293 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6294 		goto retry_unlock;
6295 	}
6296 
6297 	return;
6298 
6299 #if 0
6300 	/* XXX: IDC-unlock implementation using access-control mbx */
6301 	retry = 0;
6302 retry_unlock2:
6303 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6304 		if (retry < 10) {
6305 			/* Retry for IDC-unlock */
6306 			msleep(QLA83XX_WAIT_LOGIC_MS);
6307 			retry++;
6308 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6309 			    "Failed to release IDC lock, retrying=%d\n", retry);
6310 			goto retry_unlock2;
6311 		}
6312 	}
6313 
6314 	return;
6315 #endif
6316 }
6317 
6318 int
6319 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6320 {
6321 	int rval = QLA_SUCCESS;
6322 	struct qla_hw_data *ha = vha->hw;
6323 	uint32_t drv_presence;
6324 
6325 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6326 	if (rval == QLA_SUCCESS) {
6327 		drv_presence |= (1 << ha->portnum);
6328 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6329 		    drv_presence);
6330 	}
6331 
6332 	return rval;
6333 }
6334 
6335 int
6336 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6337 {
6338 	int rval = QLA_SUCCESS;
6339 
6340 	qla83xx_idc_lock(vha, 0);
6341 	rval = __qla83xx_set_drv_presence(vha);
6342 	qla83xx_idc_unlock(vha, 0);
6343 
6344 	return rval;
6345 }
6346 
6347 int
6348 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6349 {
6350 	int rval = QLA_SUCCESS;
6351 	struct qla_hw_data *ha = vha->hw;
6352 	uint32_t drv_presence;
6353 
6354 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6355 	if (rval == QLA_SUCCESS) {
6356 		drv_presence &= ~(1 << ha->portnum);
6357 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6358 		    drv_presence);
6359 	}
6360 
6361 	return rval;
6362 }
6363 
6364 int
6365 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6366 {
6367 	int rval = QLA_SUCCESS;
6368 
6369 	qla83xx_idc_lock(vha, 0);
6370 	rval = __qla83xx_clear_drv_presence(vha);
6371 	qla83xx_idc_unlock(vha, 0);
6372 
6373 	return rval;
6374 }
6375 
6376 static void
6377 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6378 {
6379 	struct qla_hw_data *ha = vha->hw;
6380 	uint32_t drv_ack, drv_presence;
6381 	unsigned long ack_timeout;
6382 
6383 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6384 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6385 	while (1) {
6386 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6387 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6388 		if ((drv_ack & drv_presence) == drv_presence)
6389 			break;
6390 
6391 		if (time_after_eq(jiffies, ack_timeout)) {
6392 			ql_log(ql_log_warn, vha, 0xb067,
6393 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6394 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6395 			/*
6396 			 * The function(s) which did not ack in time are forced
6397 			 * to withdraw any further participation in the IDC
6398 			 * reset.
6399 			 */
6400 			if (drv_ack != drv_presence)
6401 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6402 				    drv_ack);
6403 			break;
6404 		}
6405 
6406 		qla83xx_idc_unlock(vha, 0);
6407 		msleep(1000);
6408 		qla83xx_idc_lock(vha, 0);
6409 	}
6410 
6411 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6412 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6413 }
6414 
6415 static int
6416 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6417 {
6418 	int rval = QLA_SUCCESS;
6419 	uint32_t idc_control;
6420 
6421 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6422 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6423 
6424 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6425 	__qla83xx_get_idc_control(vha, &idc_control);
6426 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6427 	__qla83xx_set_idc_control(vha, 0);
6428 
6429 	qla83xx_idc_unlock(vha, 0);
6430 	rval = qla83xx_restart_nic_firmware(vha);
6431 	qla83xx_idc_lock(vha, 0);
6432 
6433 	if (rval != QLA_SUCCESS) {
6434 		ql_log(ql_log_fatal, vha, 0xb06a,
6435 		    "Failed to restart NIC f/w.\n");
6436 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6437 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6438 	} else {
6439 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6440 		    "Success in restarting nic f/w.\n");
6441 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6442 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6443 	}
6444 
6445 	return rval;
6446 }
6447 
6448 /* Assumes idc_lock always held on entry */
6449 int
6450 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6451 {
6452 	struct qla_hw_data *ha = base_vha->hw;
6453 	int rval = QLA_SUCCESS;
6454 	unsigned long dev_init_timeout;
6455 	uint32_t dev_state;
6456 
6457 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6458 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6459 
6460 	while (1) {
6461 
6462 		if (time_after_eq(jiffies, dev_init_timeout)) {
6463 			ql_log(ql_log_warn, base_vha, 0xb06e,
6464 			    "Initialization TIMEOUT!\n");
6465 			/* Init timeout. Disable further NIC Core
6466 			 * communication.
6467 			 */
6468 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6469 				QLA8XXX_DEV_FAILED);
6470 			ql_log(ql_log_info, base_vha, 0xb06f,
6471 			    "HW State: FAILED.\n");
6472 		}
6473 
6474 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6475 		switch (dev_state) {
6476 		case QLA8XXX_DEV_READY:
6477 			if (ha->flags.nic_core_reset_owner)
6478 				qla83xx_idc_audit(base_vha,
6479 				    IDC_AUDIT_COMPLETION);
6480 			ha->flags.nic_core_reset_owner = 0;
6481 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6482 			    "Reset_owner reset by 0x%x.\n",
6483 			    ha->portnum);
6484 			goto exit;
6485 		case QLA8XXX_DEV_COLD:
6486 			if (ha->flags.nic_core_reset_owner)
6487 				rval = qla83xx_device_bootstrap(base_vha);
6488 			else {
6489 			/* Wait for AEN to change device-state */
6490 				qla83xx_idc_unlock(base_vha, 0);
6491 				msleep(1000);
6492 				qla83xx_idc_lock(base_vha, 0);
6493 			}
6494 			break;
6495 		case QLA8XXX_DEV_INITIALIZING:
6496 			/* Wait for AEN to change device-state */
6497 			qla83xx_idc_unlock(base_vha, 0);
6498 			msleep(1000);
6499 			qla83xx_idc_lock(base_vha, 0);
6500 			break;
6501 		case QLA8XXX_DEV_NEED_RESET:
6502 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6503 				qla83xx_need_reset_handler(base_vha);
6504 			else {
6505 				/* Wait for AEN to change device-state */
6506 				qla83xx_idc_unlock(base_vha, 0);
6507 				msleep(1000);
6508 				qla83xx_idc_lock(base_vha, 0);
6509 			}
6510 			/* reset timeout value after need reset handler */
6511 			dev_init_timeout = jiffies +
6512 			    (ha->fcoe_dev_init_timeout * HZ);
6513 			break;
6514 		case QLA8XXX_DEV_NEED_QUIESCENT:
6515 			/* XXX: DEBUG for now */
6516 			qla83xx_idc_unlock(base_vha, 0);
6517 			msleep(1000);
6518 			qla83xx_idc_lock(base_vha, 0);
6519 			break;
6520 		case QLA8XXX_DEV_QUIESCENT:
6521 			/* XXX: DEBUG for now */
6522 			if (ha->flags.quiesce_owner)
6523 				goto exit;
6524 
6525 			qla83xx_idc_unlock(base_vha, 0);
6526 			msleep(1000);
6527 			qla83xx_idc_lock(base_vha, 0);
6528 			dev_init_timeout = jiffies +
6529 			    (ha->fcoe_dev_init_timeout * HZ);
6530 			break;
6531 		case QLA8XXX_DEV_FAILED:
6532 			if (ha->flags.nic_core_reset_owner)
6533 				qla83xx_idc_audit(base_vha,
6534 				    IDC_AUDIT_COMPLETION);
6535 			ha->flags.nic_core_reset_owner = 0;
6536 			__qla83xx_clear_drv_presence(base_vha);
6537 			qla83xx_idc_unlock(base_vha, 0);
6538 			qla8xxx_dev_failed_handler(base_vha);
6539 			rval = QLA_FUNCTION_FAILED;
6540 			qla83xx_idc_lock(base_vha, 0);
6541 			goto exit;
6542 		case QLA8XXX_BAD_VALUE:
6543 			qla83xx_idc_unlock(base_vha, 0);
6544 			msleep(1000);
6545 			qla83xx_idc_lock(base_vha, 0);
6546 			break;
6547 		default:
6548 			ql_log(ql_log_warn, base_vha, 0xb071,
6549 			    "Unknown Device State: %x.\n", dev_state);
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 		}
6556 	}
6557 
6558 exit:
6559 	return rval;
6560 }
6561 
6562 void
6563 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6564 {
6565 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6566 	    board_disable);
6567 	struct pci_dev *pdev = ha->pdev;
6568 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6569 
6570 	ql_log(ql_log_warn, base_vha, 0x015b,
6571 	    "Disabling adapter.\n");
6572 
6573 	if (!atomic_read(&pdev->enable_cnt)) {
6574 		ql_log(ql_log_info, base_vha, 0xfffc,
6575 		    "PCI device disabled, no action req for PCI error=%lx\n",
6576 		    base_vha->pci_flags);
6577 		return;
6578 	}
6579 
6580 	/*
6581 	 * if UNLOADING flag is already set, then continue unload,
6582 	 * where it was set first.
6583 	 */
6584 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6585 		return;
6586 
6587 	qla2x00_wait_for_sess_deletion(base_vha);
6588 
6589 	qla2x00_delete_all_vps(ha, base_vha);
6590 
6591 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6592 
6593 	qla2x00_dfs_remove(base_vha);
6594 
6595 	qla84xx_put_chip(base_vha);
6596 
6597 	if (base_vha->timer_active)
6598 		qla2x00_stop_timer(base_vha);
6599 
6600 	base_vha->flags.online = 0;
6601 
6602 	qla2x00_destroy_deferred_work(ha);
6603 
6604 	/*
6605 	 * Do not try to stop beacon blink as it will issue a mailbox
6606 	 * command.
6607 	 */
6608 	qla2x00_free_sysfs_attr(base_vha, false);
6609 
6610 	fc_remove_host(base_vha->host);
6611 
6612 	scsi_remove_host(base_vha->host);
6613 
6614 	base_vha->flags.init_done = 0;
6615 	qla25xx_delete_queues(base_vha);
6616 	qla2x00_free_fcports(base_vha);
6617 	qla2x00_free_irqs(base_vha);
6618 	qla2x00_mem_free(ha);
6619 	qla82xx_md_free(base_vha);
6620 	qla2x00_free_queues(ha);
6621 
6622 	qla2x00_unmap_iobases(ha);
6623 
6624 	pci_release_selected_regions(ha->pdev, ha->bars);
6625 	pci_disable_pcie_error_reporting(pdev);
6626 	pci_disable_device(pdev);
6627 
6628 	/*
6629 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6630 	 */
6631 }
6632 
6633 /**************************************************************************
6634 * qla2x00_do_dpc
6635 *   This kernel thread is a task that is schedule by the interrupt handler
6636 *   to perform the background processing for interrupts.
6637 *
6638 * Notes:
6639 * This task always run in the context of a kernel thread.  It
6640 * is kick-off by the driver's detect code and starts up
6641 * up one per adapter. It immediately goes to sleep and waits for
6642 * some fibre event.  When either the interrupt handler or
6643 * the timer routine detects a event it will one of the task
6644 * bits then wake us up.
6645 **************************************************************************/
6646 static int
6647 qla2x00_do_dpc(void *data)
6648 {
6649 	scsi_qla_host_t *base_vha;
6650 	struct qla_hw_data *ha;
6651 	uint32_t online;
6652 	struct qla_qpair *qpair;
6653 
6654 	ha = (struct qla_hw_data *)data;
6655 	base_vha = pci_get_drvdata(ha->pdev);
6656 
6657 	set_user_nice(current, MIN_NICE);
6658 
6659 	set_current_state(TASK_INTERRUPTIBLE);
6660 	while (!kthread_should_stop()) {
6661 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6662 		    "DPC handler sleeping.\n");
6663 
6664 		schedule();
6665 
6666 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6667 			goto end_loop;
6668 
6669 		if (ha->flags.eeh_busy) {
6670 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6671 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6672 			goto end_loop;
6673 		}
6674 
6675 		ha->dpc_active = 1;
6676 
6677 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6678 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6679 		    base_vha->dpc_flags);
6680 
6681 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6682 			break;
6683 
6684 		if (IS_P3P_TYPE(ha)) {
6685 			if (IS_QLA8044(ha)) {
6686 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6687 					&base_vha->dpc_flags)) {
6688 					qla8044_idc_lock(ha);
6689 					qla8044_wr_direct(base_vha,
6690 						QLA8044_CRB_DEV_STATE_INDEX,
6691 						QLA8XXX_DEV_FAILED);
6692 					qla8044_idc_unlock(ha);
6693 					ql_log(ql_log_info, base_vha, 0x4004,
6694 						"HW State: FAILED.\n");
6695 					qla8044_device_state_handler(base_vha);
6696 					continue;
6697 				}
6698 
6699 			} else {
6700 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6701 					&base_vha->dpc_flags)) {
6702 					qla82xx_idc_lock(ha);
6703 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6704 						QLA8XXX_DEV_FAILED);
6705 					qla82xx_idc_unlock(ha);
6706 					ql_log(ql_log_info, base_vha, 0x0151,
6707 						"HW State: FAILED.\n");
6708 					qla82xx_device_state_handler(base_vha);
6709 					continue;
6710 				}
6711 			}
6712 
6713 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6714 				&base_vha->dpc_flags)) {
6715 
6716 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6717 				    "FCoE context reset scheduled.\n");
6718 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6719 					&base_vha->dpc_flags))) {
6720 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6721 						/* FCoE-ctx reset failed.
6722 						 * Escalate to chip-reset
6723 						 */
6724 						set_bit(ISP_ABORT_NEEDED,
6725 							&base_vha->dpc_flags);
6726 					}
6727 					clear_bit(ABORT_ISP_ACTIVE,
6728 						&base_vha->dpc_flags);
6729 				}
6730 
6731 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6732 				    "FCoE context reset end.\n");
6733 			}
6734 		} else if (IS_QLAFX00(ha)) {
6735 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6736 				&base_vha->dpc_flags)) {
6737 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6738 				    "Firmware Reset Recovery\n");
6739 				if (qlafx00_reset_initialize(base_vha)) {
6740 					/* Failed. Abort isp later. */
6741 					if (!test_bit(UNLOADING,
6742 					    &base_vha->dpc_flags)) {
6743 						set_bit(ISP_UNRECOVERABLE,
6744 						    &base_vha->dpc_flags);
6745 						ql_dbg(ql_dbg_dpc, base_vha,
6746 						    0x4021,
6747 						    "Reset Recovery Failed\n");
6748 					}
6749 				}
6750 			}
6751 
6752 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6753 				&base_vha->dpc_flags)) {
6754 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6755 				    "ISPFx00 Target Scan scheduled\n");
6756 				if (qlafx00_rescan_isp(base_vha)) {
6757 					if (!test_bit(UNLOADING,
6758 					    &base_vha->dpc_flags))
6759 						set_bit(ISP_UNRECOVERABLE,
6760 						    &base_vha->dpc_flags);
6761 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6762 					    "ISPFx00 Target Scan Failed\n");
6763 				}
6764 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6765 				    "ISPFx00 Target Scan End\n");
6766 			}
6767 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6768 				&base_vha->dpc_flags)) {
6769 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6770 				    "ISPFx00 Host Info resend scheduled\n");
6771 				qlafx00_fx_disc(base_vha,
6772 				    &base_vha->hw->mr.fcport,
6773 				    FXDISC_REG_HOST_INFO);
6774 			}
6775 		}
6776 
6777 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6778 		    &base_vha->dpc_flags)) {
6779 			/* Semantic:
6780 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6781 			 *             to minimize disruptions that will occur
6782 			 *             when a forced chip-reset occurs.
6783 			 *  - Force -- ISP-ABORT scheduled.
6784 			 */
6785 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6786 		}
6787 
6788 		if (test_and_clear_bit
6789 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6790 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6791 			bool do_reset = true;
6792 
6793 			switch (base_vha->qlini_mode) {
6794 			case QLA2XXX_INI_MODE_ENABLED:
6795 				break;
6796 			case QLA2XXX_INI_MODE_DISABLED:
6797 				if (!qla_tgt_mode_enabled(base_vha) &&
6798 				    !ha->flags.fw_started)
6799 					do_reset = false;
6800 				break;
6801 			case QLA2XXX_INI_MODE_DUAL:
6802 				if (!qla_dual_mode_enabled(base_vha) &&
6803 				    !ha->flags.fw_started)
6804 					do_reset = false;
6805 				break;
6806 			default:
6807 				break;
6808 			}
6809 
6810 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6811 			    &base_vha->dpc_flags))) {
6812 				base_vha->flags.online = 1;
6813 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6814 				    "ISP abort scheduled.\n");
6815 				if (ha->isp_ops->abort_isp(base_vha)) {
6816 					/* failed. retry later */
6817 					set_bit(ISP_ABORT_NEEDED,
6818 					    &base_vha->dpc_flags);
6819 				}
6820 				clear_bit(ABORT_ISP_ACTIVE,
6821 						&base_vha->dpc_flags);
6822 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6823 				    "ISP abort end.\n");
6824 			}
6825 		}
6826 
6827 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
6828 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
6829 				qla24xx_process_purex_list
6830 					(&base_vha->purex_list);
6831 				clear_bit(PROCESS_PUREX_IOCB,
6832 				    &base_vha->dpc_flags);
6833 			}
6834 		}
6835 
6836 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6837 		    &base_vha->dpc_flags)) {
6838 			qla2x00_update_fcports(base_vha);
6839 		}
6840 
6841 		if (IS_QLAFX00(ha))
6842 			goto loop_resync_check;
6843 
6844 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6845 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6846 			    "Quiescence mode scheduled.\n");
6847 			if (IS_P3P_TYPE(ha)) {
6848 				if (IS_QLA82XX(ha))
6849 					qla82xx_device_state_handler(base_vha);
6850 				if (IS_QLA8044(ha))
6851 					qla8044_device_state_handler(base_vha);
6852 				clear_bit(ISP_QUIESCE_NEEDED,
6853 				    &base_vha->dpc_flags);
6854 				if (!ha->flags.quiesce_owner) {
6855 					qla2x00_perform_loop_resync(base_vha);
6856 					if (IS_QLA82XX(ha)) {
6857 						qla82xx_idc_lock(ha);
6858 						qla82xx_clear_qsnt_ready(
6859 						    base_vha);
6860 						qla82xx_idc_unlock(ha);
6861 					} else if (IS_QLA8044(ha)) {
6862 						qla8044_idc_lock(ha);
6863 						qla8044_clear_qsnt_ready(
6864 						    base_vha);
6865 						qla8044_idc_unlock(ha);
6866 					}
6867 				}
6868 			} else {
6869 				clear_bit(ISP_QUIESCE_NEEDED,
6870 				    &base_vha->dpc_flags);
6871 				qla2x00_quiesce_io(base_vha);
6872 			}
6873 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6874 			    "Quiescence mode end.\n");
6875 		}
6876 
6877 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6878 				&base_vha->dpc_flags) &&
6879 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6880 
6881 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6882 			    "Reset marker scheduled.\n");
6883 			qla2x00_rst_aen(base_vha);
6884 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6885 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6886 			    "Reset marker end.\n");
6887 		}
6888 
6889 		/* Retry each device up to login retry count */
6890 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6891 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6892 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6893 
6894 			if (!base_vha->relogin_jif ||
6895 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6896 				base_vha->relogin_jif = jiffies + HZ;
6897 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6898 
6899 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6900 				    "Relogin scheduled.\n");
6901 				qla24xx_post_relogin_work(base_vha);
6902 			}
6903 		}
6904 loop_resync_check:
6905 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6906 		    &base_vha->dpc_flags)) {
6907 
6908 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6909 			    "Loop resync scheduled.\n");
6910 
6911 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6912 			    &base_vha->dpc_flags))) {
6913 
6914 				qla2x00_loop_resync(base_vha);
6915 
6916 				clear_bit(LOOP_RESYNC_ACTIVE,
6917 						&base_vha->dpc_flags);
6918 			}
6919 
6920 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6921 			    "Loop resync end.\n");
6922 		}
6923 
6924 		if (IS_QLAFX00(ha))
6925 			goto intr_on_check;
6926 
6927 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6928 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6929 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6930 			qla2xxx_flash_npiv_conf(base_vha);
6931 		}
6932 
6933 intr_on_check:
6934 		if (!ha->interrupts_on)
6935 			ha->isp_ops->enable_intrs(ha);
6936 
6937 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6938 					&base_vha->dpc_flags)) {
6939 			if (ha->beacon_blink_led == 1)
6940 				ha->isp_ops->beacon_blink(base_vha);
6941 		}
6942 
6943 		/* qpair online check */
6944 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6945 		    &base_vha->dpc_flags)) {
6946 			if (ha->flags.eeh_busy ||
6947 			    ha->flags.pci_channel_io_perm_failure)
6948 				online = 0;
6949 			else
6950 				online = 1;
6951 
6952 			mutex_lock(&ha->mq_lock);
6953 			list_for_each_entry(qpair, &base_vha->qp_list,
6954 			    qp_list_elem)
6955 			qpair->online = online;
6956 			mutex_unlock(&ha->mq_lock);
6957 		}
6958 
6959 		if (test_and_clear_bit(SET_NVME_ZIO_THRESHOLD_NEEDED,
6960 		    &base_vha->dpc_flags)) {
6961 			ql_log(ql_log_info, base_vha, 0xffffff,
6962 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
6963 						ha->nvme_last_rptd_aen);
6964 			if (qla27xx_set_zio_threshold(base_vha,
6965 			    ha->nvme_last_rptd_aen)) {
6966 				ql_log(ql_log_info, base_vha, 0xffffff,
6967 				    "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
6968 				    ha->nvme_last_rptd_aen);
6969 			}
6970 		}
6971 
6972 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
6973 		    &base_vha->dpc_flags)) {
6974 			ql_log(ql_log_info, base_vha, 0xffffff,
6975 			    "SET ZIO Activity exchange threshold to %d.\n",
6976 			    ha->last_zio_threshold);
6977 			qla27xx_set_zio_threshold(base_vha,
6978 			    ha->last_zio_threshold);
6979 		}
6980 
6981 		if (!IS_QLAFX00(ha))
6982 			qla2x00_do_dpc_all_vps(base_vha);
6983 
6984 		if (test_and_clear_bit(N2N_LINK_RESET,
6985 			&base_vha->dpc_flags)) {
6986 			qla2x00_lip_reset(base_vha);
6987 		}
6988 
6989 		ha->dpc_active = 0;
6990 end_loop:
6991 		set_current_state(TASK_INTERRUPTIBLE);
6992 	} /* End of while(1) */
6993 	__set_current_state(TASK_RUNNING);
6994 
6995 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
6996 	    "DPC handler exiting.\n");
6997 
6998 	/*
6999 	 * Make sure that nobody tries to wake us up again.
7000 	 */
7001 	ha->dpc_active = 0;
7002 
7003 	/* Cleanup any residual CTX SRBs. */
7004 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7005 
7006 	return 0;
7007 }
7008 
7009 void
7010 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7011 {
7012 	struct qla_hw_data *ha = vha->hw;
7013 	struct task_struct *t = ha->dpc_thread;
7014 
7015 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7016 		wake_up_process(t);
7017 }
7018 
7019 /*
7020 *  qla2x00_rst_aen
7021 *      Processes asynchronous reset.
7022 *
7023 * Input:
7024 *      ha  = adapter block pointer.
7025 */
7026 static void
7027 qla2x00_rst_aen(scsi_qla_host_t *vha)
7028 {
7029 	if (vha->flags.online && !vha->flags.reset_active &&
7030 	    !atomic_read(&vha->loop_down_timer) &&
7031 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7032 		do {
7033 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7034 
7035 			/*
7036 			 * Issue marker command only when we are going to start
7037 			 * the I/O.
7038 			 */
7039 			vha->marker_needed = 1;
7040 		} while (!atomic_read(&vha->loop_down_timer) &&
7041 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7042 	}
7043 }
7044 
7045 /**************************************************************************
7046 *   qla2x00_timer
7047 *
7048 * Description:
7049 *   One second timer
7050 *
7051 * Context: Interrupt
7052 ***************************************************************************/
7053 void
7054 qla2x00_timer(struct timer_list *t)
7055 {
7056 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7057 	unsigned long	cpu_flags = 0;
7058 	int		start_dpc = 0;
7059 	int		index;
7060 	srb_t		*sp;
7061 	uint16_t        w;
7062 	struct qla_hw_data *ha = vha->hw;
7063 	struct req_que *req;
7064 
7065 	if (ha->flags.eeh_busy) {
7066 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7067 		    "EEH = %d, restarting timer.\n",
7068 		    ha->flags.eeh_busy);
7069 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7070 		return;
7071 	}
7072 
7073 	/*
7074 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7075 	 * the read returns -1 then disable the board.
7076 	 */
7077 	if (!pci_channel_offline(ha->pdev)) {
7078 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7079 		qla2x00_check_reg16_for_disconnect(vha, w);
7080 	}
7081 
7082 	/* Make sure qla82xx_watchdog is run only for physical port */
7083 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7084 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7085 			start_dpc++;
7086 		if (IS_QLA82XX(ha))
7087 			qla82xx_watchdog(vha);
7088 		else if (IS_QLA8044(ha))
7089 			qla8044_watchdog(vha);
7090 	}
7091 
7092 	if (!vha->vp_idx && IS_QLAFX00(ha))
7093 		qlafx00_timer_routine(vha);
7094 
7095 	/* Loop down handler. */
7096 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7097 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7098 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7099 		&& vha->flags.online) {
7100 
7101 		if (atomic_read(&vha->loop_down_timer) ==
7102 		    vha->loop_down_abort_time) {
7103 
7104 			ql_log(ql_log_info, vha, 0x6008,
7105 			    "Loop down - aborting the queues before time expires.\n");
7106 
7107 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7108 				atomic_set(&vha->loop_state, LOOP_DEAD);
7109 
7110 			/*
7111 			 * Schedule an ISP abort to return any FCP2-device
7112 			 * commands.
7113 			 */
7114 			/* NPIV - scan physical port only */
7115 			if (!vha->vp_idx) {
7116 				spin_lock_irqsave(&ha->hardware_lock,
7117 				    cpu_flags);
7118 				req = ha->req_q_map[0];
7119 				for (index = 1;
7120 				    index < req->num_outstanding_cmds;
7121 				    index++) {
7122 					fc_port_t *sfcp;
7123 
7124 					sp = req->outstanding_cmds[index];
7125 					if (!sp)
7126 						continue;
7127 					if (sp->cmd_type != TYPE_SRB)
7128 						continue;
7129 					if (sp->type != SRB_SCSI_CMD)
7130 						continue;
7131 					sfcp = sp->fcport;
7132 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7133 						continue;
7134 
7135 					if (IS_QLA82XX(ha))
7136 						set_bit(FCOE_CTX_RESET_NEEDED,
7137 							&vha->dpc_flags);
7138 					else
7139 						set_bit(ISP_ABORT_NEEDED,
7140 							&vha->dpc_flags);
7141 					break;
7142 				}
7143 				spin_unlock_irqrestore(&ha->hardware_lock,
7144 								cpu_flags);
7145 			}
7146 			start_dpc++;
7147 		}
7148 
7149 		/* if the loop has been down for 4 minutes, reinit adapter */
7150 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7151 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
7152 				ql_log(ql_log_warn, vha, 0x6009,
7153 				    "Loop down - aborting ISP.\n");
7154 
7155 				if (IS_QLA82XX(ha))
7156 					set_bit(FCOE_CTX_RESET_NEEDED,
7157 						&vha->dpc_flags);
7158 				else
7159 					set_bit(ISP_ABORT_NEEDED,
7160 						&vha->dpc_flags);
7161 			}
7162 		}
7163 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7164 		    "Loop down - seconds remaining %d.\n",
7165 		    atomic_read(&vha->loop_down_timer));
7166 	}
7167 	/* Check if beacon LED needs to be blinked for physical host only */
7168 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7169 		/* There is no beacon_blink function for ISP82xx */
7170 		if (!IS_P3P_TYPE(ha)) {
7171 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7172 			start_dpc++;
7173 		}
7174 	}
7175 
7176 	/* Process any deferred work. */
7177 	if (!list_empty(&vha->work_list)) {
7178 		unsigned long flags;
7179 		bool q = false;
7180 
7181 		spin_lock_irqsave(&vha->work_lock, flags);
7182 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7183 			q = true;
7184 		spin_unlock_irqrestore(&vha->work_lock, flags);
7185 		if (q)
7186 			queue_work(vha->hw->wq, &vha->iocb_work);
7187 	}
7188 
7189 	/*
7190 	 * FC-NVME
7191 	 * see if the active AEN count has changed from what was last reported.
7192 	 */
7193 	index = atomic_read(&ha->nvme_active_aen_cnt);
7194 	if (!vha->vp_idx &&
7195 	    (index != ha->nvme_last_rptd_aen) &&
7196 	    (index >= DEFAULT_ZIO_THRESHOLD) &&
7197 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7198 	    !ha->flags.host_shutting_down) {
7199 		ql_log(ql_log_info, vha, 0x3002,
7200 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7201 		    ha->nvme_last_rptd_aen);
7202 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7203 		set_bit(SET_NVME_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7204 		start_dpc++;
7205 	}
7206 
7207 	if (!vha->vp_idx &&
7208 	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7209 	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7210 		ql_log(ql_log_info, vha, 0x3002,
7211 		    "Sched: Set ZIO exchange threshold to %d.\n",
7212 		    ha->last_zio_threshold);
7213 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7214 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7215 		start_dpc++;
7216 	}
7217 
7218 	/* Schedule the DPC routine if needed */
7219 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7220 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7221 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7222 	    start_dpc ||
7223 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7224 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7225 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7226 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7227 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7228 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7229 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7230 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7231 		    "isp_abort_needed=%d loop_resync_needed=%d "
7232 		    "fcport_update_needed=%d start_dpc=%d "
7233 		    "reset_marker_needed=%d",
7234 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7235 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7236 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7237 		    start_dpc,
7238 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7239 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7240 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7241 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7242 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7243 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7244 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7245 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7246 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7247 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7248 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7249 		qla2xxx_wake_dpc(vha);
7250 	}
7251 
7252 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7253 }
7254 
7255 /* Firmware interface routines. */
7256 
7257 #define FW_ISP21XX	0
7258 #define FW_ISP22XX	1
7259 #define FW_ISP2300	2
7260 #define FW_ISP2322	3
7261 #define FW_ISP24XX	4
7262 #define FW_ISP25XX	5
7263 #define FW_ISP81XX	6
7264 #define FW_ISP82XX	7
7265 #define FW_ISP2031	8
7266 #define FW_ISP8031	9
7267 #define FW_ISP27XX	10
7268 #define FW_ISP28XX	11
7269 
7270 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7271 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7272 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7273 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7274 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7275 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7276 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7277 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7278 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7279 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7280 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7281 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7282 
7283 
7284 static DEFINE_MUTEX(qla_fw_lock);
7285 
7286 static struct fw_blob qla_fw_blobs[] = {
7287 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7288 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7289 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7290 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7291 	{ .name = FW_FILE_ISP24XX, },
7292 	{ .name = FW_FILE_ISP25XX, },
7293 	{ .name = FW_FILE_ISP81XX, },
7294 	{ .name = FW_FILE_ISP82XX, },
7295 	{ .name = FW_FILE_ISP2031, },
7296 	{ .name = FW_FILE_ISP8031, },
7297 	{ .name = FW_FILE_ISP27XX, },
7298 	{ .name = FW_FILE_ISP28XX, },
7299 	{ .name = NULL, },
7300 };
7301 
7302 struct fw_blob *
7303 qla2x00_request_firmware(scsi_qla_host_t *vha)
7304 {
7305 	struct qla_hw_data *ha = vha->hw;
7306 	struct fw_blob *blob;
7307 
7308 	if (IS_QLA2100(ha)) {
7309 		blob = &qla_fw_blobs[FW_ISP21XX];
7310 	} else if (IS_QLA2200(ha)) {
7311 		blob = &qla_fw_blobs[FW_ISP22XX];
7312 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7313 		blob = &qla_fw_blobs[FW_ISP2300];
7314 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7315 		blob = &qla_fw_blobs[FW_ISP2322];
7316 	} else if (IS_QLA24XX_TYPE(ha)) {
7317 		blob = &qla_fw_blobs[FW_ISP24XX];
7318 	} else if (IS_QLA25XX(ha)) {
7319 		blob = &qla_fw_blobs[FW_ISP25XX];
7320 	} else if (IS_QLA81XX(ha)) {
7321 		blob = &qla_fw_blobs[FW_ISP81XX];
7322 	} else if (IS_QLA82XX(ha)) {
7323 		blob = &qla_fw_blobs[FW_ISP82XX];
7324 	} else if (IS_QLA2031(ha)) {
7325 		blob = &qla_fw_blobs[FW_ISP2031];
7326 	} else if (IS_QLA8031(ha)) {
7327 		blob = &qla_fw_blobs[FW_ISP8031];
7328 	} else if (IS_QLA27XX(ha)) {
7329 		blob = &qla_fw_blobs[FW_ISP27XX];
7330 	} else if (IS_QLA28XX(ha)) {
7331 		blob = &qla_fw_blobs[FW_ISP28XX];
7332 	} else {
7333 		return NULL;
7334 	}
7335 
7336 	if (!blob->name)
7337 		return NULL;
7338 
7339 	mutex_lock(&qla_fw_lock);
7340 	if (blob->fw)
7341 		goto out;
7342 
7343 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7344 		ql_log(ql_log_warn, vha, 0x0063,
7345 		    "Failed to load firmware image (%s).\n", blob->name);
7346 		blob->fw = NULL;
7347 		blob = NULL;
7348 	}
7349 
7350 out:
7351 	mutex_unlock(&qla_fw_lock);
7352 	return blob;
7353 }
7354 
7355 static void
7356 qla2x00_release_firmware(void)
7357 {
7358 	struct fw_blob *blob;
7359 
7360 	mutex_lock(&qla_fw_lock);
7361 	for (blob = qla_fw_blobs; blob->name; blob++)
7362 		release_firmware(blob->fw);
7363 	mutex_unlock(&qla_fw_lock);
7364 }
7365 
7366 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7367 {
7368 	struct qla_hw_data *ha = vha->hw;
7369 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7370 	struct qla_qpair *qpair = NULL;
7371 	struct scsi_qla_host *vp;
7372 	fc_port_t *fcport;
7373 	int i;
7374 	unsigned long flags;
7375 
7376 	ha->chip_reset++;
7377 
7378 	ha->base_qpair->chip_reset = ha->chip_reset;
7379 	for (i = 0; i < ha->max_qpairs; i++) {
7380 		if (ha->queue_pair_map[i])
7381 			ha->queue_pair_map[i]->chip_reset =
7382 			    ha->base_qpair->chip_reset;
7383 	}
7384 
7385 	/* purge MBox commands */
7386 	if (atomic_read(&ha->num_pend_mbx_stage3)) {
7387 		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7388 		complete(&ha->mbx_intr_comp);
7389 	}
7390 
7391 	i = 0;
7392 
7393 	while (atomic_read(&ha->num_pend_mbx_stage3) ||
7394 	    atomic_read(&ha->num_pend_mbx_stage2) ||
7395 	    atomic_read(&ha->num_pend_mbx_stage1)) {
7396 		msleep(20);
7397 		i++;
7398 		if (i > 50)
7399 			break;
7400 	}
7401 
7402 	ha->flags.purge_mbox = 0;
7403 
7404 	mutex_lock(&ha->mq_lock);
7405 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7406 		qpair->online = 0;
7407 	mutex_unlock(&ha->mq_lock);
7408 
7409 	qla2x00_mark_all_devices_lost(vha);
7410 
7411 	spin_lock_irqsave(&ha->vport_slock, flags);
7412 	list_for_each_entry(vp, &ha->vp_list, list) {
7413 		atomic_inc(&vp->vref_count);
7414 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7415 		qla2x00_mark_all_devices_lost(vp);
7416 		spin_lock_irqsave(&ha->vport_slock, flags);
7417 		atomic_dec(&vp->vref_count);
7418 	}
7419 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7420 
7421 	/* Clear all async request states across all VPs. */
7422 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7423 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7424 
7425 	spin_lock_irqsave(&ha->vport_slock, flags);
7426 	list_for_each_entry(vp, &ha->vp_list, list) {
7427 		atomic_inc(&vp->vref_count);
7428 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7429 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7430 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7431 		spin_lock_irqsave(&ha->vport_slock, flags);
7432 		atomic_dec(&vp->vref_count);
7433 	}
7434 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7435 }
7436 
7437 
7438 static pci_ers_result_t
7439 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7440 {
7441 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7442 	struct qla_hw_data *ha = vha->hw;
7443 
7444 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7445 	    "PCI error detected, state %x.\n", state);
7446 
7447 	if (!atomic_read(&pdev->enable_cnt)) {
7448 		ql_log(ql_log_info, vha, 0xffff,
7449 			"PCI device is disabled,state %x\n", state);
7450 		return PCI_ERS_RESULT_NEED_RESET;
7451 	}
7452 
7453 	switch (state) {
7454 	case pci_channel_io_normal:
7455 		ha->flags.eeh_busy = 0;
7456 		if (ql2xmqsupport || ql2xnvmeenable) {
7457 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7458 			qla2xxx_wake_dpc(vha);
7459 		}
7460 		return PCI_ERS_RESULT_CAN_RECOVER;
7461 	case pci_channel_io_frozen:
7462 		ha->flags.eeh_busy = 1;
7463 		qla_pci_error_cleanup(vha);
7464 		return PCI_ERS_RESULT_NEED_RESET;
7465 	case pci_channel_io_perm_failure:
7466 		ha->flags.pci_channel_io_perm_failure = 1;
7467 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7468 		if (ql2xmqsupport || ql2xnvmeenable) {
7469 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7470 			qla2xxx_wake_dpc(vha);
7471 		}
7472 		return PCI_ERS_RESULT_DISCONNECT;
7473 	}
7474 	return PCI_ERS_RESULT_NEED_RESET;
7475 }
7476 
7477 static pci_ers_result_t
7478 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7479 {
7480 	int risc_paused = 0;
7481 	uint32_t stat;
7482 	unsigned long flags;
7483 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7484 	struct qla_hw_data *ha = base_vha->hw;
7485 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7486 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7487 
7488 	if (IS_QLA82XX(ha))
7489 		return PCI_ERS_RESULT_RECOVERED;
7490 
7491 	spin_lock_irqsave(&ha->hardware_lock, flags);
7492 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7493 		stat = rd_reg_word(&reg->hccr);
7494 		if (stat & HCCR_RISC_PAUSE)
7495 			risc_paused = 1;
7496 	} else if (IS_QLA23XX(ha)) {
7497 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7498 		if (stat & HSR_RISC_PAUSED)
7499 			risc_paused = 1;
7500 	} else if (IS_FWI2_CAPABLE(ha)) {
7501 		stat = rd_reg_dword(&reg24->host_status);
7502 		if (stat & HSRX_RISC_PAUSED)
7503 			risc_paused = 1;
7504 	}
7505 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7506 
7507 	if (risc_paused) {
7508 		ql_log(ql_log_info, base_vha, 0x9003,
7509 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7510 		qla2xxx_dump_fw(base_vha);
7511 
7512 		return PCI_ERS_RESULT_NEED_RESET;
7513 	} else
7514 		return PCI_ERS_RESULT_RECOVERED;
7515 }
7516 
7517 static pci_ers_result_t
7518 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7519 {
7520 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7521 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7522 	struct qla_hw_data *ha = base_vha->hw;
7523 	int rc;
7524 	struct qla_qpair *qpair = NULL;
7525 
7526 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
7527 	    "Slot Reset.\n");
7528 
7529 	/* Workaround: qla2xxx driver which access hardware earlier
7530 	 * needs error state to be pci_channel_io_online.
7531 	 * Otherwise mailbox command timesout.
7532 	 */
7533 	pdev->error_state = pci_channel_io_normal;
7534 
7535 	pci_restore_state(pdev);
7536 
7537 	/* pci_restore_state() clears the saved_state flag of the device
7538 	 * save restored state which resets saved_state flag
7539 	 */
7540 	pci_save_state(pdev);
7541 
7542 	if (ha->mem_only)
7543 		rc = pci_enable_device_mem(pdev);
7544 	else
7545 		rc = pci_enable_device(pdev);
7546 
7547 	if (rc) {
7548 		ql_log(ql_log_warn, base_vha, 0x9005,
7549 		    "Can't re-enable PCI device after reset.\n");
7550 		goto exit_slot_reset;
7551 	}
7552 
7553 
7554 	if (ha->isp_ops->pci_config(base_vha))
7555 		goto exit_slot_reset;
7556 
7557 	mutex_lock(&ha->mq_lock);
7558 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7559 		qpair->online = 1;
7560 	mutex_unlock(&ha->mq_lock);
7561 
7562 	base_vha->flags.online = 1;
7563 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7564 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
7565 		ret =  PCI_ERS_RESULT_RECOVERED;
7566 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7567 
7568 
7569 exit_slot_reset:
7570 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7571 	    "slot_reset return %x.\n", ret);
7572 
7573 	return ret;
7574 }
7575 
7576 static void
7577 qla2xxx_pci_resume(struct pci_dev *pdev)
7578 {
7579 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7580 	struct qla_hw_data *ha = base_vha->hw;
7581 	int ret;
7582 
7583 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
7584 	    "pci_resume.\n");
7585 
7586 	ha->flags.eeh_busy = 0;
7587 
7588 	ret = qla2x00_wait_for_hba_online(base_vha);
7589 	if (ret != QLA_SUCCESS) {
7590 		ql_log(ql_log_fatal, base_vha, 0x9002,
7591 		    "The device failed to resume I/O from slot/link_reset.\n");
7592 	}
7593 }
7594 
7595 static void
7596 qla_pci_reset_prepare(struct pci_dev *pdev)
7597 {
7598 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7599 	struct qla_hw_data *ha = base_vha->hw;
7600 	struct qla_qpair *qpair;
7601 
7602 	ql_log(ql_log_warn, base_vha, 0xffff,
7603 	    "%s.\n", __func__);
7604 
7605 	/*
7606 	 * PCI FLR/function reset is about to reset the
7607 	 * slot. Stop the chip to stop all DMA access.
7608 	 * It is assumed that pci_reset_done will be called
7609 	 * after FLR to resume Chip operation.
7610 	 */
7611 	ha->flags.eeh_busy = 1;
7612 	mutex_lock(&ha->mq_lock);
7613 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7614 		qpair->online = 0;
7615 	mutex_unlock(&ha->mq_lock);
7616 
7617 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7618 	qla2x00_abort_isp_cleanup(base_vha);
7619 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7620 }
7621 
7622 static void
7623 qla_pci_reset_done(struct pci_dev *pdev)
7624 {
7625 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7626 	struct qla_hw_data *ha = base_vha->hw;
7627 	struct qla_qpair *qpair;
7628 
7629 	ql_log(ql_log_warn, base_vha, 0xffff,
7630 	    "%s.\n", __func__);
7631 
7632 	/*
7633 	 * FLR just completed by PCI layer. Resume adapter
7634 	 */
7635 	ha->flags.eeh_busy = 0;
7636 	mutex_lock(&ha->mq_lock);
7637 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7638 		qpair->online = 1;
7639 	mutex_unlock(&ha->mq_lock);
7640 
7641 	base_vha->flags.online = 1;
7642 	ha->isp_ops->abort_isp(base_vha);
7643 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7644 }
7645 
7646 static int qla2xxx_map_queues(struct Scsi_Host *shost)
7647 {
7648 	int rc;
7649 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
7650 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
7651 
7652 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
7653 		rc = blk_mq_map_queues(qmap);
7654 	else
7655 		rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
7656 	return rc;
7657 }
7658 
7659 struct scsi_host_template qla2xxx_driver_template = {
7660 	.module			= THIS_MODULE,
7661 	.name			= QLA2XXX_DRIVER_NAME,
7662 	.queuecommand		= qla2xxx_queuecommand,
7663 
7664 	.eh_timed_out		= fc_eh_timed_out,
7665 	.eh_abort_handler	= qla2xxx_eh_abort,
7666 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
7667 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
7668 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
7669 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
7670 
7671 	.slave_configure	= qla2xxx_slave_configure,
7672 
7673 	.slave_alloc		= qla2xxx_slave_alloc,
7674 	.slave_destroy		= qla2xxx_slave_destroy,
7675 	.scan_finished		= qla2xxx_scan_finished,
7676 	.scan_start		= qla2xxx_scan_start,
7677 	.change_queue_depth	= scsi_change_queue_depth,
7678 	.map_queues             = qla2xxx_map_queues,
7679 	.this_id		= -1,
7680 	.cmd_per_lun		= 3,
7681 	.sg_tablesize		= SG_ALL,
7682 
7683 	.max_sectors		= 0xFFFF,
7684 	.shost_attrs		= qla2x00_host_attrs,
7685 
7686 	.supported_mode		= MODE_INITIATOR,
7687 	.track_queue_depth	= 1,
7688 	.cmd_size		= sizeof(srb_t),
7689 };
7690 
7691 static const struct pci_error_handlers qla2xxx_err_handler = {
7692 	.error_detected = qla2xxx_pci_error_detected,
7693 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
7694 	.slot_reset = qla2xxx_pci_slot_reset,
7695 	.resume = qla2xxx_pci_resume,
7696 	.reset_prepare = qla_pci_reset_prepare,
7697 	.reset_done = qla_pci_reset_done,
7698 };
7699 
7700 static struct pci_device_id qla2xxx_pci_tbl[] = {
7701 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
7702 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
7703 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
7704 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
7705 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
7706 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
7707 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
7708 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
7709 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
7710 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
7711 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
7712 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
7713 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
7714 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
7715 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
7716 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
7717 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
7718 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
7719 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
7720 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
7721 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
7722 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
7723 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
7724 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
7725 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
7726 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
7727 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
7728 	{ 0 },
7729 };
7730 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
7731 
7732 static struct pci_driver qla2xxx_pci_driver = {
7733 	.name		= QLA2XXX_DRIVER_NAME,
7734 	.driver		= {
7735 		.owner		= THIS_MODULE,
7736 	},
7737 	.id_table	= qla2xxx_pci_tbl,
7738 	.probe		= qla2x00_probe_one,
7739 	.remove		= qla2x00_remove_one,
7740 	.shutdown	= qla2x00_shutdown,
7741 	.err_handler	= &qla2xxx_err_handler,
7742 };
7743 
7744 static const struct file_operations apidev_fops = {
7745 	.owner = THIS_MODULE,
7746 	.llseek = noop_llseek,
7747 };
7748 
7749 /**
7750  * qla2x00_module_init - Module initialization.
7751  **/
7752 static int __init
7753 qla2x00_module_init(void)
7754 {
7755 	int ret = 0;
7756 
7757 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
7758 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
7759 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
7760 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
7761 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
7762 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
7763 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
7764 	BUILD_BUG_ON(sizeof(request_t) != 64);
7765 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
7766 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
7767 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
7768 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
7769 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
7770 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
7771 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
7772 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
7773 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
7774 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
7775 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
7776 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
7777 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2344);
7778 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
7779 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
7780 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
7781 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
7782 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
7783 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
7784 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
7785 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
7786 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
7787 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
7788 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
7789 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
7790 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
7791 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
7792 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
7793 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
7794 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
7795 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
7796 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
7797 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
7798 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
7799 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
7800 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
7801 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
7802 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
7803 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
7804 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
7805 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
7806 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
7807 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
7808 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
7809 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
7810 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
7811 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
7812 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
7813 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
7814 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
7815 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
7816 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
7817 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
7818 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
7819 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
7820 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
7821 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
7822 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
7823 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
7824 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
7825 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
7826 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
7827 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
7828 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
7829 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
7830 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
7831 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
7832 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
7833 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
7834 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
7835 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
7836 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
7837 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
7838 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
7839 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
7840 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
7841 
7842 	/* Allocate cache for SRBs. */
7843 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7844 	    SLAB_HWCACHE_ALIGN, NULL);
7845 	if (srb_cachep == NULL) {
7846 		ql_log(ql_log_fatal, NULL, 0x0001,
7847 		    "Unable to allocate SRB cache...Failing load!.\n");
7848 		return -ENOMEM;
7849 	}
7850 
7851 	/* Initialize target kmem_cache and mem_pools */
7852 	ret = qlt_init();
7853 	if (ret < 0) {
7854 		goto destroy_cache;
7855 	} else if (ret > 0) {
7856 		/*
7857 		 * If initiator mode is explictly disabled by qlt_init(),
7858 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7859 		 * performing scsi_scan_target() during LOOP UP event.
7860 		 */
7861 		qla2xxx_transport_functions.disable_target_scan = 1;
7862 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
7863 	}
7864 
7865 	/* Derive version string. */
7866 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7867 	if (ql2xextended_error_logging)
7868 		strcat(qla2x00_version_str, "-debug");
7869 	if (ql2xextended_error_logging == 1)
7870 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7871 
7872 	if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7873 		qla_insert_tgt_attrs();
7874 
7875 	qla2xxx_transport_template =
7876 	    fc_attach_transport(&qla2xxx_transport_functions);
7877 	if (!qla2xxx_transport_template) {
7878 		ql_log(ql_log_fatal, NULL, 0x0002,
7879 		    "fc_attach_transport failed...Failing load!.\n");
7880 		ret = -ENODEV;
7881 		goto qlt_exit;
7882 	}
7883 
7884 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7885 	if (apidev_major < 0) {
7886 		ql_log(ql_log_fatal, NULL, 0x0003,
7887 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7888 	}
7889 
7890 	qla2xxx_transport_vport_template =
7891 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
7892 	if (!qla2xxx_transport_vport_template) {
7893 		ql_log(ql_log_fatal, NULL, 0x0004,
7894 		    "fc_attach_transport vport failed...Failing load!.\n");
7895 		ret = -ENODEV;
7896 		goto unreg_chrdev;
7897 	}
7898 	ql_log(ql_log_info, NULL, 0x0005,
7899 	    "QLogic Fibre Channel HBA Driver: %s.\n",
7900 	    qla2x00_version_str);
7901 	ret = pci_register_driver(&qla2xxx_pci_driver);
7902 	if (ret) {
7903 		ql_log(ql_log_fatal, NULL, 0x0006,
7904 		    "pci_register_driver failed...ret=%d Failing load!.\n",
7905 		    ret);
7906 		goto release_vport_transport;
7907 	}
7908 	return ret;
7909 
7910 release_vport_transport:
7911 	fc_release_transport(qla2xxx_transport_vport_template);
7912 
7913 unreg_chrdev:
7914 	if (apidev_major >= 0)
7915 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7916 	fc_release_transport(qla2xxx_transport_template);
7917 
7918 qlt_exit:
7919 	qlt_exit();
7920 
7921 destroy_cache:
7922 	kmem_cache_destroy(srb_cachep);
7923 	return ret;
7924 }
7925 
7926 /**
7927  * qla2x00_module_exit - Module cleanup.
7928  **/
7929 static void __exit
7930 qla2x00_module_exit(void)
7931 {
7932 	pci_unregister_driver(&qla2xxx_pci_driver);
7933 	qla2x00_release_firmware();
7934 	kmem_cache_destroy(ctx_cachep);
7935 	fc_release_transport(qla2xxx_transport_vport_template);
7936 	if (apidev_major >= 0)
7937 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7938 	fc_release_transport(qla2xxx_transport_template);
7939 	qlt_exit();
7940 	kmem_cache_destroy(srb_cachep);
7941 }
7942 
7943 module_init(qla2x00_module_init);
7944 module_exit(qla2x00_module_exit);
7945 
7946 MODULE_AUTHOR("QLogic Corporation");
7947 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7948 MODULE_LICENSE("GPL");
7949 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7950 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7951 MODULE_FIRMWARE(FW_FILE_ISP2300);
7952 MODULE_FIRMWARE(FW_FILE_ISP2322);
7953 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7954 MODULE_FIRMWARE(FW_FILE_ISP25XX);
7955