xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision e2bd6bad)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 #include "qla_def.h"
7 
8 #include <linux/moduleparam.h>
9 #include <linux/vmalloc.h>
10 #include <linux/delay.h>
11 #include <linux/kthread.h>
12 #include <linux/mutex.h>
13 #include <linux/kobject.h>
14 #include <linux/slab.h>
15 #include <linux/blk-mq-pci.h>
16 #include <linux/refcount.h>
17 
18 #include <scsi/scsi_tcq.h>
19 #include <scsi/scsicam.h>
20 #include <scsi/scsi_transport.h>
21 #include <scsi/scsi_transport_fc.h>
22 
23 #include "qla_target.h"
24 
25 /*
26  * Driver version
27  */
28 char qla2x00_version_str[40];
29 
30 static int apidev_major;
31 
32 /*
33  * SRB allocation cache
34  */
35 struct kmem_cache *srb_cachep;
36 
37 int ql2xfulldump_on_mpifail;
38 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
39 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
40 		 "Set this to take full dump on MPI hang.");
41 
42 int ql2xenforce_iocb_limit = 1;
43 module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
44 MODULE_PARM_DESC(ql2xenforce_iocb_limit,
45 		 "Enforce IOCB throttling, to avoid FW congestion. (default: 1)");
46 
47 /*
48  * CT6 CTX allocation cache
49  */
50 static struct kmem_cache *ctx_cachep;
51 /*
52  * error level for logging
53  */
54 uint ql_errlev = 0x8001;
55 
56 static int ql2xenableclass2;
57 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
58 MODULE_PARM_DESC(ql2xenableclass2,
59 		"Specify if Class 2 operations are supported from the very "
60 		"beginning. Default is 0 - class 2 not supported.");
61 
62 
63 int ql2xlogintimeout = 20;
64 module_param(ql2xlogintimeout, int, S_IRUGO);
65 MODULE_PARM_DESC(ql2xlogintimeout,
66 		"Login timeout value in seconds.");
67 
68 int qlport_down_retry;
69 module_param(qlport_down_retry, int, S_IRUGO);
70 MODULE_PARM_DESC(qlport_down_retry,
71 		"Maximum number of command retries to a port that returns "
72 		"a PORT-DOWN status.");
73 
74 int ql2xplogiabsentdevice;
75 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
76 MODULE_PARM_DESC(ql2xplogiabsentdevice,
77 		"Option to enable PLOGI to devices that are not present after "
78 		"a Fabric scan.  This is needed for several broken switches. "
79 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
80 
81 int ql2xloginretrycount;
82 module_param(ql2xloginretrycount, int, S_IRUGO);
83 MODULE_PARM_DESC(ql2xloginretrycount,
84 		"Specify an alternate value for the NVRAM login retry count.");
85 
86 int ql2xallocfwdump = 1;
87 module_param(ql2xallocfwdump, int, S_IRUGO);
88 MODULE_PARM_DESC(ql2xallocfwdump,
89 		"Option to enable allocation of memory for a firmware dump "
90 		"during HBA initialization.  Memory allocation requirements "
91 		"vary by ISP type.  Default is 1 - allocate memory.");
92 
93 int ql2xextended_error_logging;
94 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
95 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
96 MODULE_PARM_DESC(ql2xextended_error_logging,
97 		"Option to enable extended error logging,\n"
98 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
99 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
100 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
101 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
102 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
103 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
104 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
105 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
106 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
107 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
108 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
109 		"\t\t0x1e400000 - Preferred value for capturing essential "
110 		"debug information (equivalent to old "
111 		"ql2xextended_error_logging=1).\n"
112 		"\t\tDo LOGICAL OR of the value to enable more than one level");
113 
114 int ql2xshiftctondsd = 6;
115 module_param(ql2xshiftctondsd, int, S_IRUGO);
116 MODULE_PARM_DESC(ql2xshiftctondsd,
117 		"Set to control shifting of command type processing "
118 		"based on total number of SG elements.");
119 
120 int ql2xfdmienable = 1;
121 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
122 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
123 MODULE_PARM_DESC(ql2xfdmienable,
124 		"Enables FDMI registrations. "
125 		"0 - no FDMI registrations. "
126 		"1 - provide FDMI registrations (default).");
127 
128 #define MAX_Q_DEPTH	64
129 static int ql2xmaxqdepth = MAX_Q_DEPTH;
130 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
131 MODULE_PARM_DESC(ql2xmaxqdepth,
132 		"Maximum queue depth to set for each LUN. "
133 		"Default is 64.");
134 
135 int ql2xenabledif = 2;
136 module_param(ql2xenabledif, int, S_IRUGO);
137 MODULE_PARM_DESC(ql2xenabledif,
138 		" Enable T10-CRC-DIF:\n"
139 		" Default is 2.\n"
140 		"  0 -- No DIF Support\n"
141 		"  1 -- Enable DIF for all types\n"
142 		"  2 -- Enable DIF for all types, except Type 0.\n");
143 
144 #if (IS_ENABLED(CONFIG_NVME_FC))
145 int ql2xnvmeenable = 1;
146 #else
147 int ql2xnvmeenable;
148 #endif
149 module_param(ql2xnvmeenable, int, 0644);
150 MODULE_PARM_DESC(ql2xnvmeenable,
151     "Enables NVME support. "
152     "0 - no NVMe.  Default is Y");
153 
154 int ql2xenablehba_err_chk = 2;
155 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
156 MODULE_PARM_DESC(ql2xenablehba_err_chk,
157 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
158 		" Default is 2.\n"
159 		"  0 -- Error isolation disabled\n"
160 		"  1 -- Error isolation enabled only for DIX Type 0\n"
161 		"  2 -- Error isolation enabled for all Types\n");
162 
163 int ql2xiidmaenable = 1;
164 module_param(ql2xiidmaenable, int, S_IRUGO);
165 MODULE_PARM_DESC(ql2xiidmaenable,
166 		"Enables iIDMA settings "
167 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
168 
169 int ql2xmqsupport = 1;
170 module_param(ql2xmqsupport, int, S_IRUGO);
171 MODULE_PARM_DESC(ql2xmqsupport,
172 		"Enable on demand multiple queue pairs support "
173 		"Default is 1 for supported. "
174 		"Set it to 0 to turn off mq qpair support.");
175 
176 int ql2xfwloadbin;
177 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
178 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
179 MODULE_PARM_DESC(ql2xfwloadbin,
180 		"Option to specify location from which to load ISP firmware:.\n"
181 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
182 		"      interface.\n"
183 		" 1 -- load firmware from flash.\n"
184 		" 0 -- use default semantics.\n");
185 
186 int ql2xetsenable;
187 module_param(ql2xetsenable, int, S_IRUGO);
188 MODULE_PARM_DESC(ql2xetsenable,
189 		"Enables firmware ETS burst."
190 		"Default is 0 - skip ETS enablement.");
191 
192 int ql2xdbwr = 1;
193 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
194 MODULE_PARM_DESC(ql2xdbwr,
195 		"Option to specify scheme for request queue posting.\n"
196 		" 0 -- Regular doorbell.\n"
197 		" 1 -- CAMRAM doorbell (faster).\n");
198 
199 int ql2xtargetreset = 1;
200 module_param(ql2xtargetreset, int, S_IRUGO);
201 MODULE_PARM_DESC(ql2xtargetreset,
202 		 "Enable target reset."
203 		 "Default is 1 - use hw defaults.");
204 
205 int ql2xgffidenable;
206 module_param(ql2xgffidenable, int, S_IRUGO);
207 MODULE_PARM_DESC(ql2xgffidenable,
208 		"Enables GFF_ID checks of port type. "
209 		"Default is 0 - Do not use GFF_ID information.");
210 
211 int ql2xasynctmfenable = 1;
212 module_param(ql2xasynctmfenable, int, S_IRUGO);
213 MODULE_PARM_DESC(ql2xasynctmfenable,
214 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
215 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
216 
217 int ql2xdontresethba;
218 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
219 MODULE_PARM_DESC(ql2xdontresethba,
220 		"Option to specify reset behaviour.\n"
221 		" 0 (Default) -- Reset on failure.\n"
222 		" 1 -- Do not reset on failure.\n");
223 
224 uint64_t ql2xmaxlun = MAX_LUNS;
225 module_param(ql2xmaxlun, ullong, S_IRUGO);
226 MODULE_PARM_DESC(ql2xmaxlun,
227 		"Defines the maximum LU number to register with the SCSI "
228 		"midlayer. Default is 65535.");
229 
230 int ql2xmdcapmask = 0x1F;
231 module_param(ql2xmdcapmask, int, S_IRUGO);
232 MODULE_PARM_DESC(ql2xmdcapmask,
233 		"Set the Minidump driver capture mask level. "
234 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
235 
236 int ql2xmdenable = 1;
237 module_param(ql2xmdenable, int, S_IRUGO);
238 MODULE_PARM_DESC(ql2xmdenable,
239 		"Enable/disable MiniDump. "
240 		"0 - MiniDump disabled. "
241 		"1 (Default) - MiniDump enabled.");
242 
243 int ql2xexlogins;
244 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
245 MODULE_PARM_DESC(ql2xexlogins,
246 		 "Number of extended Logins. "
247 		 "0 (Default)- Disabled.");
248 
249 int ql2xexchoffld = 1024;
250 module_param(ql2xexchoffld, uint, 0644);
251 MODULE_PARM_DESC(ql2xexchoffld,
252 	"Number of target exchanges.");
253 
254 int ql2xiniexchg = 1024;
255 module_param(ql2xiniexchg, uint, 0644);
256 MODULE_PARM_DESC(ql2xiniexchg,
257 	"Number of initiator exchanges.");
258 
259 int ql2xfwholdabts;
260 module_param(ql2xfwholdabts, int, S_IRUGO);
261 MODULE_PARM_DESC(ql2xfwholdabts,
262 		"Allow FW to hold status IOCB until ABTS rsp received. "
263 		"0 (Default) Do not set fw option. "
264 		"1 - Set fw option to hold ABTS.");
265 
266 int ql2xmvasynctoatio = 1;
267 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
268 MODULE_PARM_DESC(ql2xmvasynctoatio,
269 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
270 		"0 (Default). Do not move IOCBs"
271 		"1 - Move IOCBs.");
272 
273 int ql2xautodetectsfp = 1;
274 module_param(ql2xautodetectsfp, int, 0444);
275 MODULE_PARM_DESC(ql2xautodetectsfp,
276 		 "Detect SFP range and set appropriate distance.\n"
277 		 "1 (Default): Enable\n");
278 
279 int ql2xenablemsix = 1;
280 module_param(ql2xenablemsix, int, 0444);
281 MODULE_PARM_DESC(ql2xenablemsix,
282 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
283 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
284 		 " 0 -- enable traditional pin-based mechanism.\n"
285 		 " 1 -- enable MSI-X interrupt mechanism.\n"
286 		 " 2 -- enable MSI interrupt mechanism.\n");
287 
288 int qla2xuseresexchforels;
289 module_param(qla2xuseresexchforels, int, 0444);
290 MODULE_PARM_DESC(qla2xuseresexchforels,
291 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
292 		 " 0 (default): disabled");
293 
294 static int ql2xprotmask;
295 module_param(ql2xprotmask, int, 0644);
296 MODULE_PARM_DESC(ql2xprotmask,
297 		 "Override DIF/DIX protection capabilities mask\n"
298 		 "Default is 0 which sets protection mask based on "
299 		 "capabilities reported by HBA firmware.\n");
300 
301 static int ql2xprotguard;
302 module_param(ql2xprotguard, int, 0644);
303 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
304 		 "  0 -- Let HBA firmware decide\n"
305 		 "  1 -- Force T10 CRC\n"
306 		 "  2 -- Force IP checksum\n");
307 
308 int ql2xdifbundlinginternalbuffers;
309 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
310 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
311     "Force using internal buffers for DIF information\n"
312     "0 (Default). Based on check.\n"
313     "1 Force using internal buffers\n");
314 
315 int ql2xsmartsan;
316 module_param(ql2xsmartsan, int, 0444);
317 module_param_named(smartsan, ql2xsmartsan, int, 0444);
318 MODULE_PARM_DESC(ql2xsmartsan,
319 		"Send SmartSAN Management Attributes for FDMI Registration."
320 		" Default is 0 - No SmartSAN registration,"
321 		" 1 - Register SmartSAN Management Attributes.");
322 
323 int ql2xrdpenable;
324 module_param(ql2xrdpenable, int, 0444);
325 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
326 MODULE_PARM_DESC(ql2xrdpenable,
327 		"Enables RDP responses. "
328 		"0 - no RDP responses (default). "
329 		"1 - provide RDP responses.");
330 int ql2xabts_wait_nvme = 1;
331 module_param(ql2xabts_wait_nvme, int, 0444);
332 MODULE_PARM_DESC(ql2xabts_wait_nvme,
333 		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
334 
335 
336 static void qla2x00_clear_drv_active(struct qla_hw_data *);
337 static void qla2x00_free_device(scsi_qla_host_t *);
338 static int qla2xxx_map_queues(struct Scsi_Host *shost);
339 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
340 
341 
342 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
343 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
344 
345 /* TODO Convert to inlines
346  *
347  * Timer routines
348  */
349 
350 __inline__ void
351 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
352 {
353 	timer_setup(&vha->timer, qla2x00_timer, 0);
354 	vha->timer.expires = jiffies + interval * HZ;
355 	add_timer(&vha->timer);
356 	vha->timer_active = 1;
357 }
358 
359 static inline void
360 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
361 {
362 	/* Currently used for 82XX only. */
363 	if (vha->device_flags & DFLG_DEV_FAILED) {
364 		ql_dbg(ql_dbg_timer, vha, 0x600d,
365 		    "Device in a failed state, returning.\n");
366 		return;
367 	}
368 
369 	mod_timer(&vha->timer, jiffies + interval * HZ);
370 }
371 
372 static __inline__ void
373 qla2x00_stop_timer(scsi_qla_host_t *vha)
374 {
375 	del_timer_sync(&vha->timer);
376 	vha->timer_active = 0;
377 }
378 
379 static int qla2x00_do_dpc(void *data);
380 
381 static void qla2x00_rst_aen(scsi_qla_host_t *);
382 
383 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
384 	struct req_que **, struct rsp_que **);
385 static void qla2x00_free_fw_dump(struct qla_hw_data *);
386 static void qla2x00_mem_free(struct qla_hw_data *);
387 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
388 	struct qla_qpair *qpair);
389 
390 /* -------------------------------------------------------------------------- */
391 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
392     struct rsp_que *rsp)
393 {
394 	struct qla_hw_data *ha = vha->hw;
395 
396 	rsp->qpair = ha->base_qpair;
397 	rsp->req = req;
398 	ha->base_qpair->hw = ha;
399 	ha->base_qpair->req = req;
400 	ha->base_qpair->rsp = rsp;
401 	ha->base_qpair->vha = vha;
402 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
403 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
404 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
405 	ha->base_qpair->srb_mempool = ha->srb_mempool;
406 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
407 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
408 	/* init qpair to this cpu. Will adjust at run time. */
409 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
410 	ha->base_qpair->pdev = ha->pdev;
411 
412 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
413 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
414 }
415 
416 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
417 				struct rsp_que *rsp)
418 {
419 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
420 
421 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
422 				GFP_KERNEL);
423 	if (!ha->req_q_map) {
424 		ql_log(ql_log_fatal, vha, 0x003b,
425 		    "Unable to allocate memory for request queue ptrs.\n");
426 		goto fail_req_map;
427 	}
428 
429 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
430 				GFP_KERNEL);
431 	if (!ha->rsp_q_map) {
432 		ql_log(ql_log_fatal, vha, 0x003c,
433 		    "Unable to allocate memory for response queue ptrs.\n");
434 		goto fail_rsp_map;
435 	}
436 
437 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
438 	if (ha->base_qpair == NULL) {
439 		ql_log(ql_log_warn, vha, 0x00e0,
440 		    "Failed to allocate base queue pair memory.\n");
441 		goto fail_base_qpair;
442 	}
443 
444 	qla_init_base_qpair(vha, req, rsp);
445 
446 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
447 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
448 			GFP_KERNEL);
449 		if (!ha->queue_pair_map) {
450 			ql_log(ql_log_fatal, vha, 0x0180,
451 			    "Unable to allocate memory for queue pair ptrs.\n");
452 			goto fail_qpair_map;
453 		}
454 	}
455 
456 	/*
457 	 * Make sure we record at least the request and response queue zero in
458 	 * case we need to free them if part of the probe fails.
459 	 */
460 	ha->rsp_q_map[0] = rsp;
461 	ha->req_q_map[0] = req;
462 	set_bit(0, ha->rsp_qid_map);
463 	set_bit(0, ha->req_qid_map);
464 	return 0;
465 
466 fail_qpair_map:
467 	kfree(ha->base_qpair);
468 	ha->base_qpair = NULL;
469 fail_base_qpair:
470 	kfree(ha->rsp_q_map);
471 	ha->rsp_q_map = NULL;
472 fail_rsp_map:
473 	kfree(ha->req_q_map);
474 	ha->req_q_map = NULL;
475 fail_req_map:
476 	return -ENOMEM;
477 }
478 
479 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
480 {
481 	if (IS_QLAFX00(ha)) {
482 		if (req && req->ring_fx00)
483 			dma_free_coherent(&ha->pdev->dev,
484 			    (req->length_fx00 + 1) * sizeof(request_t),
485 			    req->ring_fx00, req->dma_fx00);
486 	} else if (req && req->ring)
487 		dma_free_coherent(&ha->pdev->dev,
488 		(req->length + 1) * sizeof(request_t),
489 		req->ring, req->dma);
490 
491 	if (req)
492 		kfree(req->outstanding_cmds);
493 
494 	kfree(req);
495 }
496 
497 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
498 {
499 	if (IS_QLAFX00(ha)) {
500 		if (rsp && rsp->ring_fx00)
501 			dma_free_coherent(&ha->pdev->dev,
502 			    (rsp->length_fx00 + 1) * sizeof(request_t),
503 			    rsp->ring_fx00, rsp->dma_fx00);
504 	} else if (rsp && rsp->ring) {
505 		dma_free_coherent(&ha->pdev->dev,
506 		(rsp->length + 1) * sizeof(response_t),
507 		rsp->ring, rsp->dma);
508 	}
509 	kfree(rsp);
510 }
511 
512 static void qla2x00_free_queues(struct qla_hw_data *ha)
513 {
514 	struct req_que *req;
515 	struct rsp_que *rsp;
516 	int cnt;
517 	unsigned long flags;
518 
519 	if (ha->queue_pair_map) {
520 		kfree(ha->queue_pair_map);
521 		ha->queue_pair_map = NULL;
522 	}
523 	if (ha->base_qpair) {
524 		kfree(ha->base_qpair);
525 		ha->base_qpair = NULL;
526 	}
527 
528 	spin_lock_irqsave(&ha->hardware_lock, flags);
529 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
530 		if (!test_bit(cnt, ha->req_qid_map))
531 			continue;
532 
533 		req = ha->req_q_map[cnt];
534 		clear_bit(cnt, ha->req_qid_map);
535 		ha->req_q_map[cnt] = NULL;
536 
537 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
538 		qla2x00_free_req_que(ha, req);
539 		spin_lock_irqsave(&ha->hardware_lock, flags);
540 	}
541 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
542 
543 	kfree(ha->req_q_map);
544 	ha->req_q_map = NULL;
545 
546 
547 	spin_lock_irqsave(&ha->hardware_lock, flags);
548 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
549 		if (!test_bit(cnt, ha->rsp_qid_map))
550 			continue;
551 
552 		rsp = ha->rsp_q_map[cnt];
553 		clear_bit(cnt, ha->rsp_qid_map);
554 		ha->rsp_q_map[cnt] =  NULL;
555 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
556 		qla2x00_free_rsp_que(ha, rsp);
557 		spin_lock_irqsave(&ha->hardware_lock, flags);
558 	}
559 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
560 
561 	kfree(ha->rsp_q_map);
562 	ha->rsp_q_map = NULL;
563 }
564 
565 static char *
566 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
567 {
568 	struct qla_hw_data *ha = vha->hw;
569 	static const char *const pci_bus_modes[] = {
570 		"33", "66", "100", "133",
571 	};
572 	uint16_t pci_bus;
573 
574 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
575 	if (pci_bus) {
576 		snprintf(str, str_len, "PCI-X (%s MHz)",
577 			 pci_bus_modes[pci_bus]);
578 	} else {
579 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
580 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
581 	}
582 
583 	return str;
584 }
585 
586 static char *
587 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
588 {
589 	static const char *const pci_bus_modes[] = {
590 		"33", "66", "100", "133",
591 	};
592 	struct qla_hw_data *ha = vha->hw;
593 	uint32_t pci_bus;
594 
595 	if (pci_is_pcie(ha->pdev)) {
596 		uint32_t lstat, lspeed, lwidth;
597 		const char *speed_str;
598 
599 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
600 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
601 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
602 
603 		switch (lspeed) {
604 		case 1:
605 			speed_str = "2.5GT/s";
606 			break;
607 		case 2:
608 			speed_str = "5.0GT/s";
609 			break;
610 		case 3:
611 			speed_str = "8.0GT/s";
612 			break;
613 		case 4:
614 			speed_str = "16.0GT/s";
615 			break;
616 		default:
617 			speed_str = "<unknown>";
618 			break;
619 		}
620 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
621 
622 		return str;
623 	}
624 
625 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
626 	if (pci_bus == 0 || pci_bus == 8)
627 		snprintf(str, str_len, "PCI (%s MHz)",
628 			 pci_bus_modes[pci_bus >> 3]);
629 	else
630 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
631 			 pci_bus & 4 ? 2 : 1,
632 			 pci_bus_modes[pci_bus & 3]);
633 
634 	return str;
635 }
636 
637 static char *
638 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
639 {
640 	char un_str[10];
641 	struct qla_hw_data *ha = vha->hw;
642 
643 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
644 	    ha->fw_minor_version, ha->fw_subminor_version);
645 
646 	if (ha->fw_attributes & BIT_9) {
647 		strcat(str, "FLX");
648 		return (str);
649 	}
650 
651 	switch (ha->fw_attributes & 0xFF) {
652 	case 0x7:
653 		strcat(str, "EF");
654 		break;
655 	case 0x17:
656 		strcat(str, "TP");
657 		break;
658 	case 0x37:
659 		strcat(str, "IP");
660 		break;
661 	case 0x77:
662 		strcat(str, "VI");
663 		break;
664 	default:
665 		sprintf(un_str, "(%x)", ha->fw_attributes);
666 		strcat(str, un_str);
667 		break;
668 	}
669 	if (ha->fw_attributes & 0x100)
670 		strcat(str, "X");
671 
672 	return (str);
673 }
674 
675 static char *
676 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
677 {
678 	struct qla_hw_data *ha = vha->hw;
679 
680 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
681 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
682 	return str;
683 }
684 
685 void qla2x00_sp_free_dma(srb_t *sp)
686 {
687 	struct qla_hw_data *ha = sp->vha->hw;
688 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
689 
690 	if (sp->flags & SRB_DMA_VALID) {
691 		scsi_dma_unmap(cmd);
692 		sp->flags &= ~SRB_DMA_VALID;
693 	}
694 
695 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
696 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
697 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
698 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
699 	}
700 
701 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
702 		/* List assured to be having elements */
703 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
704 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
705 	}
706 
707 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
708 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
709 
710 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
711 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
712 	}
713 
714 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
715 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
716 
717 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
718 		    ctx1->fcp_cmnd_dma);
719 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
720 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
721 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
722 		mempool_free(ctx1, ha->ctx_mempool);
723 	}
724 }
725 
726 void qla2x00_sp_compl(srb_t *sp, int res)
727 {
728 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
729 	struct completion *comp = sp->comp;
730 
731 	sp->free(sp);
732 	cmd->result = res;
733 	CMD_SP(cmd) = NULL;
734 	cmd->scsi_done(cmd);
735 	if (comp)
736 		complete(comp);
737 }
738 
739 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
740 {
741 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
742 	struct qla_hw_data *ha = sp->fcport->vha->hw;
743 
744 	if (sp->flags & SRB_DMA_VALID) {
745 		scsi_dma_unmap(cmd);
746 		sp->flags &= ~SRB_DMA_VALID;
747 	}
748 
749 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
750 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
751 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
752 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
753 	}
754 
755 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
756 		/* List assured to be having elements */
757 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
758 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
759 	}
760 
761 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
762 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
763 		struct dsd_dma *dif_dsd, *nxt_dsd;
764 
765 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
766 		    &difctx->ldif_dma_hndl_list, list) {
767 			list_del(&dif_dsd->list);
768 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
769 			    dif_dsd->dsd_list_dma);
770 			kfree(dif_dsd);
771 			difctx->no_dif_bundl--;
772 		}
773 
774 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
775 		    &difctx->ldif_dsd_list, list) {
776 			list_del(&dif_dsd->list);
777 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
778 			    dif_dsd->dsd_list_dma);
779 			kfree(dif_dsd);
780 			difctx->no_ldif_dsd--;
781 		}
782 
783 		if (difctx->no_ldif_dsd) {
784 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
785 			    "%s: difctx->no_ldif_dsd=%x\n",
786 			    __func__, difctx->no_ldif_dsd);
787 		}
788 
789 		if (difctx->no_dif_bundl) {
790 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
791 			    "%s: difctx->no_dif_bundl=%x\n",
792 			    __func__, difctx->no_dif_bundl);
793 		}
794 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
795 	}
796 
797 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
798 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
799 
800 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
801 		    ctx1->fcp_cmnd_dma);
802 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
803 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
804 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
805 		mempool_free(ctx1, ha->ctx_mempool);
806 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
807 	}
808 
809 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
810 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
811 
812 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
813 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
814 	}
815 }
816 
817 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
818 {
819 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
820 	struct completion *comp = sp->comp;
821 
822 	sp->free(sp);
823 	cmd->result = res;
824 	CMD_SP(cmd) = NULL;
825 	cmd->scsi_done(cmd);
826 	if (comp)
827 		complete(comp);
828 }
829 
830 static int
831 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
832 {
833 	scsi_qla_host_t *vha = shost_priv(host);
834 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
835 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
836 	struct qla_hw_data *ha = vha->hw;
837 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
838 	srb_t *sp;
839 	int rval;
840 
841 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
842 	    WARN_ON_ONCE(!rport)) {
843 		cmd->result = DID_NO_CONNECT << 16;
844 		goto qc24_fail_command;
845 	}
846 
847 	if (ha->mqenable) {
848 		uint32_t tag;
849 		uint16_t hwq;
850 		struct qla_qpair *qpair = NULL;
851 
852 		tag = blk_mq_unique_tag(cmd->request);
853 		hwq = blk_mq_unique_tag_to_hwq(tag);
854 		qpair = ha->queue_pair_map[hwq];
855 
856 		if (qpair)
857 			return qla2xxx_mqueuecommand(host, cmd, qpair);
858 	}
859 
860 	if (ha->flags.eeh_busy) {
861 		if (ha->flags.pci_channel_io_perm_failure) {
862 			ql_dbg(ql_dbg_aer, vha, 0x9010,
863 			    "PCI Channel IO permanent failure, exiting "
864 			    "cmd=%p.\n", cmd);
865 			cmd->result = DID_NO_CONNECT << 16;
866 		} else {
867 			ql_dbg(ql_dbg_aer, vha, 0x9011,
868 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
869 			cmd->result = DID_REQUEUE << 16;
870 		}
871 		goto qc24_fail_command;
872 	}
873 
874 	rval = fc_remote_port_chkready(rport);
875 	if (rval) {
876 		cmd->result = rval;
877 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
878 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
879 		    cmd, rval);
880 		goto qc24_fail_command;
881 	}
882 
883 	if (!vha->flags.difdix_supported &&
884 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
885 			ql_dbg(ql_dbg_io, vha, 0x3004,
886 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
887 			    cmd);
888 			cmd->result = DID_NO_CONNECT << 16;
889 			goto qc24_fail_command;
890 	}
891 
892 	if (!fcport || fcport->deleted) {
893 		cmd->result = DID_IMM_RETRY << 16;
894 		goto qc24_fail_command;
895 	}
896 
897 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
898 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
899 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
900 			ql_dbg(ql_dbg_io, vha, 0x3005,
901 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
902 			    atomic_read(&fcport->state),
903 			    atomic_read(&base_vha->loop_state));
904 			cmd->result = DID_NO_CONNECT << 16;
905 			goto qc24_fail_command;
906 		}
907 		goto qc24_target_busy;
908 	}
909 
910 	/*
911 	 * Return target busy if we've received a non-zero retry_delay_timer
912 	 * in a FCP_RSP.
913 	 */
914 	if (fcport->retry_delay_timestamp == 0) {
915 		/* retry delay not set */
916 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
917 		fcport->retry_delay_timestamp = 0;
918 	else
919 		goto qc24_target_busy;
920 
921 	sp = scsi_cmd_priv(cmd);
922 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
923 
924 	sp->u.scmd.cmd = cmd;
925 	sp->type = SRB_SCSI_CMD;
926 
927 	CMD_SP(cmd) = (void *)sp;
928 	sp->free = qla2x00_sp_free_dma;
929 	sp->done = qla2x00_sp_compl;
930 
931 	rval = ha->isp_ops->start_scsi(sp);
932 	if (rval != QLA_SUCCESS) {
933 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
934 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
935 		goto qc24_host_busy_free_sp;
936 	}
937 
938 	return 0;
939 
940 qc24_host_busy_free_sp:
941 	sp->free(sp);
942 
943 qc24_target_busy:
944 	return SCSI_MLQUEUE_TARGET_BUSY;
945 
946 qc24_fail_command:
947 	cmd->scsi_done(cmd);
948 
949 	return 0;
950 }
951 
952 /* For MQ supported I/O */
953 int
954 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
955     struct qla_qpair *qpair)
956 {
957 	scsi_qla_host_t *vha = shost_priv(host);
958 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
959 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
960 	struct qla_hw_data *ha = vha->hw;
961 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
962 	srb_t *sp;
963 	int rval;
964 
965 	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
966 	if (rval) {
967 		cmd->result = rval;
968 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
969 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
970 		    cmd, rval);
971 		goto qc24_fail_command;
972 	}
973 
974 	if (!qpair->online) {
975 		ql_dbg(ql_dbg_io, vha, 0x3077,
976 		       "qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
977 		cmd->result = DID_NO_CONNECT << 16;
978 		goto qc24_fail_command;
979 	}
980 
981 	if (!fcport || fcport->deleted) {
982 		cmd->result = DID_IMM_RETRY << 16;
983 		goto qc24_fail_command;
984 	}
985 
986 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
987 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
988 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
989 			ql_dbg(ql_dbg_io, vha, 0x3077,
990 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
991 			    atomic_read(&fcport->state),
992 			    atomic_read(&base_vha->loop_state));
993 			cmd->result = DID_NO_CONNECT << 16;
994 			goto qc24_fail_command;
995 		}
996 		goto qc24_target_busy;
997 	}
998 
999 	/*
1000 	 * Return target busy if we've received a non-zero retry_delay_timer
1001 	 * in a FCP_RSP.
1002 	 */
1003 	if (fcport->retry_delay_timestamp == 0) {
1004 		/* retry delay not set */
1005 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1006 		fcport->retry_delay_timestamp = 0;
1007 	else
1008 		goto qc24_target_busy;
1009 
1010 	sp = scsi_cmd_priv(cmd);
1011 	qla2xxx_init_sp(sp, vha, qpair, fcport);
1012 
1013 	sp->u.scmd.cmd = cmd;
1014 	sp->type = SRB_SCSI_CMD;
1015 	CMD_SP(cmd) = (void *)sp;
1016 	sp->free = qla2xxx_qpair_sp_free_dma;
1017 	sp->done = qla2xxx_qpair_sp_compl;
1018 
1019 	rval = ha->isp_ops->start_scsi_mq(sp);
1020 	if (rval != QLA_SUCCESS) {
1021 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1022 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1023 		goto qc24_host_busy_free_sp;
1024 	}
1025 
1026 	return 0;
1027 
1028 qc24_host_busy_free_sp:
1029 	sp->free(sp);
1030 
1031 qc24_target_busy:
1032 	return SCSI_MLQUEUE_TARGET_BUSY;
1033 
1034 qc24_fail_command:
1035 	cmd->scsi_done(cmd);
1036 
1037 	return 0;
1038 }
1039 
1040 /*
1041  * qla2x00_eh_wait_on_command
1042  *    Waits for the command to be returned by the Firmware for some
1043  *    max time.
1044  *
1045  * Input:
1046  *    cmd = Scsi Command to wait on.
1047  *
1048  * Return:
1049  *    Completed in time : QLA_SUCCESS
1050  *    Did not complete in time : QLA_FUNCTION_FAILED
1051  */
1052 static int
1053 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1054 {
1055 #define ABORT_POLLING_PERIOD	1000
1056 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1057 	unsigned long wait_iter = ABORT_WAIT_ITER;
1058 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1059 	struct qla_hw_data *ha = vha->hw;
1060 	int ret = QLA_SUCCESS;
1061 
1062 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1063 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1064 		    "Return:eh_wait.\n");
1065 		return ret;
1066 	}
1067 
1068 	while (CMD_SP(cmd) && wait_iter--) {
1069 		msleep(ABORT_POLLING_PERIOD);
1070 	}
1071 	if (CMD_SP(cmd))
1072 		ret = QLA_FUNCTION_FAILED;
1073 
1074 	return ret;
1075 }
1076 
1077 /*
1078  * qla2x00_wait_for_hba_online
1079  *    Wait till the HBA is online after going through
1080  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1081  *    finally HBA is disabled ie marked offline
1082  *
1083  * Input:
1084  *     ha - pointer to host adapter structure
1085  *
1086  * Note:
1087  *    Does context switching-Release SPIN_LOCK
1088  *    (if any) before calling this routine.
1089  *
1090  * Return:
1091  *    Success (Adapter is online) : 0
1092  *    Failed  (Adapter is offline/disabled) : 1
1093  */
1094 int
1095 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1096 {
1097 	int		return_status;
1098 	unsigned long	wait_online;
1099 	struct qla_hw_data *ha = vha->hw;
1100 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1101 
1102 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1103 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1104 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1105 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1106 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1107 
1108 		msleep(1000);
1109 	}
1110 	if (base_vha->flags.online)
1111 		return_status = QLA_SUCCESS;
1112 	else
1113 		return_status = QLA_FUNCTION_FAILED;
1114 
1115 	return (return_status);
1116 }
1117 
1118 static inline int test_fcport_count(scsi_qla_host_t *vha)
1119 {
1120 	struct qla_hw_data *ha = vha->hw;
1121 	unsigned long flags;
1122 	int res;
1123 
1124 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1125 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1126 	    "tgt %p, fcport_count=%d\n",
1127 	    vha, vha->fcport_count);
1128 	res = (vha->fcport_count == 0);
1129 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1130 
1131 	return res;
1132 }
1133 
1134 /*
1135  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1136  * it has dependency on UNLOADING flag to stop device discovery
1137  */
1138 void
1139 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1140 {
1141 	u8 i;
1142 
1143 	qla2x00_mark_all_devices_lost(vha);
1144 
1145 	for (i = 0; i < 10; i++) {
1146 		if (wait_event_timeout(vha->fcport_waitQ,
1147 		    test_fcport_count(vha), HZ) > 0)
1148 			break;
1149 	}
1150 
1151 	flush_workqueue(vha->hw->wq);
1152 }
1153 
1154 /*
1155  * qla2x00_wait_for_hba_ready
1156  * Wait till the HBA is ready before doing driver unload
1157  *
1158  * Input:
1159  *     ha - pointer to host adapter structure
1160  *
1161  * Note:
1162  *    Does context switching-Release SPIN_LOCK
1163  *    (if any) before calling this routine.
1164  *
1165  */
1166 static void
1167 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1168 {
1169 	struct qla_hw_data *ha = vha->hw;
1170 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1171 
1172 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1173 		ha->flags.mbox_busy) ||
1174 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1175 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1176 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1177 			break;
1178 		msleep(1000);
1179 	}
1180 }
1181 
1182 int
1183 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1184 {
1185 	int		return_status;
1186 	unsigned long	wait_reset;
1187 	struct qla_hw_data *ha = vha->hw;
1188 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1189 
1190 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1191 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1192 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1193 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1194 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1195 
1196 		msleep(1000);
1197 
1198 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1199 		    ha->flags.chip_reset_done)
1200 			break;
1201 	}
1202 	if (ha->flags.chip_reset_done)
1203 		return_status = QLA_SUCCESS;
1204 	else
1205 		return_status = QLA_FUNCTION_FAILED;
1206 
1207 	return return_status;
1208 }
1209 
1210 /**************************************************************************
1211 * qla2xxx_eh_abort
1212 *
1213 * Description:
1214 *    The abort function will abort the specified command.
1215 *
1216 * Input:
1217 *    cmd = Linux SCSI command packet to be aborted.
1218 *
1219 * Returns:
1220 *    Either SUCCESS or FAILED.
1221 *
1222 * Note:
1223 *    Only return FAILED if command not returned by firmware.
1224 **************************************************************************/
1225 static int
1226 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1227 {
1228 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1229 	DECLARE_COMPLETION_ONSTACK(comp);
1230 	srb_t *sp;
1231 	int ret;
1232 	unsigned int id;
1233 	uint64_t lun;
1234 	int rval;
1235 	struct qla_hw_data *ha = vha->hw;
1236 	uint32_t ratov_j;
1237 	struct qla_qpair *qpair;
1238 	unsigned long flags;
1239 
1240 	if (qla2x00_isp_reg_stat(ha)) {
1241 		ql_log(ql_log_info, vha, 0x8042,
1242 		    "PCI/Register disconnect, exiting.\n");
1243 		qla_pci_set_eeh_busy(vha);
1244 		return FAILED;
1245 	}
1246 
1247 	ret = fc_block_scsi_eh(cmd);
1248 	if (ret != 0)
1249 		return ret;
1250 
1251 	sp = scsi_cmd_priv(cmd);
1252 	qpair = sp->qpair;
1253 
1254 	vha->cmd_timeout_cnt++;
1255 
1256 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1257 		return SUCCESS;
1258 
1259 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1260 	sp->comp = &comp;
1261 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1262 
1263 
1264 	id = cmd->device->id;
1265 	lun = cmd->device->lun;
1266 
1267 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1268 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1269 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1270 
1271 	/*
1272 	 * Abort will release the original Command/sp from FW. Let the
1273 	 * original command call scsi_done. In return, he will wakeup
1274 	 * this sleeping thread.
1275 	 */
1276 	rval = ha->isp_ops->abort_command(sp);
1277 
1278 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1279 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1280 
1281 	/* Wait for the command completion. */
1282 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1283 	ratov_j = msecs_to_jiffies(ratov_j);
1284 	switch (rval) {
1285 	case QLA_SUCCESS:
1286 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1287 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1288 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1289 			    __func__, ha->r_a_tov/10);
1290 			ret = FAILED;
1291 		} else {
1292 			ret = SUCCESS;
1293 		}
1294 		break;
1295 	default:
1296 		ret = FAILED;
1297 		break;
1298 	}
1299 
1300 	sp->comp = NULL;
1301 
1302 	ql_log(ql_log_info, vha, 0x801c,
1303 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1304 	    vha->host_no, id, lun, ret);
1305 
1306 	return ret;
1307 }
1308 
1309 /*
1310  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1311  */
1312 int
1313 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1314 	uint64_t l, enum nexus_wait_type type)
1315 {
1316 	int cnt, match, status;
1317 	unsigned long flags;
1318 	struct qla_hw_data *ha = vha->hw;
1319 	struct req_que *req;
1320 	srb_t *sp;
1321 	struct scsi_cmnd *cmd;
1322 
1323 	status = QLA_SUCCESS;
1324 
1325 	spin_lock_irqsave(&ha->hardware_lock, flags);
1326 	req = vha->req;
1327 	for (cnt = 1; status == QLA_SUCCESS &&
1328 		cnt < req->num_outstanding_cmds; cnt++) {
1329 		sp = req->outstanding_cmds[cnt];
1330 		if (!sp)
1331 			continue;
1332 		if (sp->type != SRB_SCSI_CMD)
1333 			continue;
1334 		if (vha->vp_idx != sp->vha->vp_idx)
1335 			continue;
1336 		match = 0;
1337 		cmd = GET_CMD_SP(sp);
1338 		switch (type) {
1339 		case WAIT_HOST:
1340 			match = 1;
1341 			break;
1342 		case WAIT_TARGET:
1343 			match = cmd->device->id == t;
1344 			break;
1345 		case WAIT_LUN:
1346 			match = (cmd->device->id == t &&
1347 				cmd->device->lun == l);
1348 			break;
1349 		}
1350 		if (!match)
1351 			continue;
1352 
1353 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1354 		status = qla2x00_eh_wait_on_command(cmd);
1355 		spin_lock_irqsave(&ha->hardware_lock, flags);
1356 	}
1357 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1358 
1359 	return status;
1360 }
1361 
1362 static char *reset_errors[] = {
1363 	"HBA not online",
1364 	"HBA not ready",
1365 	"Task management failed",
1366 	"Waiting for command completions",
1367 };
1368 
1369 static int
1370 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1371     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1372 {
1373 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1374 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1375 	int err;
1376 
1377 	if (!fcport) {
1378 		return FAILED;
1379 	}
1380 
1381 	err = fc_block_scsi_eh(cmd);
1382 	if (err != 0)
1383 		return err;
1384 
1385 	if (fcport->deleted)
1386 		return SUCCESS;
1387 
1388 	ql_log(ql_log_info, vha, 0x8009,
1389 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1390 	    cmd->device->id, cmd->device->lun, cmd);
1391 
1392 	err = 0;
1393 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1394 		ql_log(ql_log_warn, vha, 0x800a,
1395 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1396 		goto eh_reset_failed;
1397 	}
1398 	err = 2;
1399 	if (do_reset(fcport, cmd->device->lun, 1)
1400 		!= QLA_SUCCESS) {
1401 		ql_log(ql_log_warn, vha, 0x800c,
1402 		    "do_reset failed for cmd=%p.\n", cmd);
1403 		goto eh_reset_failed;
1404 	}
1405 	err = 3;
1406 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1407 	    cmd->device->lun, type) != QLA_SUCCESS) {
1408 		ql_log(ql_log_warn, vha, 0x800d,
1409 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1410 		goto eh_reset_failed;
1411 	}
1412 
1413 	ql_log(ql_log_info, vha, 0x800e,
1414 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1415 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1416 
1417 	return SUCCESS;
1418 
1419 eh_reset_failed:
1420 	ql_log(ql_log_info, vha, 0x800f,
1421 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1422 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1423 	    cmd);
1424 	vha->reset_cmd_err_cnt++;
1425 	return FAILED;
1426 }
1427 
1428 static int
1429 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1430 {
1431 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1432 	struct qla_hw_data *ha = vha->hw;
1433 
1434 	if (qla2x00_isp_reg_stat(ha)) {
1435 		ql_log(ql_log_info, vha, 0x803e,
1436 		    "PCI/Register disconnect, exiting.\n");
1437 		qla_pci_set_eeh_busy(vha);
1438 		return FAILED;
1439 	}
1440 
1441 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1442 	    ha->isp_ops->lun_reset);
1443 }
1444 
1445 static int
1446 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1447 {
1448 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1449 	struct qla_hw_data *ha = vha->hw;
1450 
1451 	if (qla2x00_isp_reg_stat(ha)) {
1452 		ql_log(ql_log_info, vha, 0x803f,
1453 		    "PCI/Register disconnect, exiting.\n");
1454 		qla_pci_set_eeh_busy(vha);
1455 		return FAILED;
1456 	}
1457 
1458 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1459 	    ha->isp_ops->target_reset);
1460 }
1461 
1462 /**************************************************************************
1463 * qla2xxx_eh_bus_reset
1464 *
1465 * Description:
1466 *    The bus reset function will reset the bus and abort any executing
1467 *    commands.
1468 *
1469 * Input:
1470 *    cmd = Linux SCSI command packet of the command that cause the
1471 *          bus reset.
1472 *
1473 * Returns:
1474 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1475 *
1476 **************************************************************************/
1477 static int
1478 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1479 {
1480 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1481 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1482 	int ret = FAILED;
1483 	unsigned int id;
1484 	uint64_t lun;
1485 	struct qla_hw_data *ha = vha->hw;
1486 
1487 	if (qla2x00_isp_reg_stat(ha)) {
1488 		ql_log(ql_log_info, vha, 0x8040,
1489 		    "PCI/Register disconnect, exiting.\n");
1490 		qla_pci_set_eeh_busy(vha);
1491 		return FAILED;
1492 	}
1493 
1494 	id = cmd->device->id;
1495 	lun = cmd->device->lun;
1496 
1497 	if (!fcport) {
1498 		return ret;
1499 	}
1500 
1501 	ret = fc_block_scsi_eh(cmd);
1502 	if (ret != 0)
1503 		return ret;
1504 	ret = FAILED;
1505 
1506 	if (qla2x00_chip_is_down(vha))
1507 		return ret;
1508 
1509 	ql_log(ql_log_info, vha, 0x8012,
1510 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1511 
1512 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1513 		ql_log(ql_log_fatal, vha, 0x8013,
1514 		    "Wait for hba online failed board disabled.\n");
1515 		goto eh_bus_reset_done;
1516 	}
1517 
1518 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1519 		ret = SUCCESS;
1520 
1521 	if (ret == FAILED)
1522 		goto eh_bus_reset_done;
1523 
1524 	/* Flush outstanding commands. */
1525 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1526 	    QLA_SUCCESS) {
1527 		ql_log(ql_log_warn, vha, 0x8014,
1528 		    "Wait for pending commands failed.\n");
1529 		ret = FAILED;
1530 	}
1531 
1532 eh_bus_reset_done:
1533 	ql_log(ql_log_warn, vha, 0x802b,
1534 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1535 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1536 
1537 	return ret;
1538 }
1539 
1540 /**************************************************************************
1541 * qla2xxx_eh_host_reset
1542 *
1543 * Description:
1544 *    The reset function will reset the Adapter.
1545 *
1546 * Input:
1547 *      cmd = Linux SCSI command packet of the command that cause the
1548 *            adapter reset.
1549 *
1550 * Returns:
1551 *      Either SUCCESS or FAILED.
1552 *
1553 * Note:
1554 **************************************************************************/
1555 static int
1556 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1557 {
1558 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1559 	struct qla_hw_data *ha = vha->hw;
1560 	int ret = FAILED;
1561 	unsigned int id;
1562 	uint64_t lun;
1563 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1564 
1565 	if (qla2x00_isp_reg_stat(ha)) {
1566 		ql_log(ql_log_info, vha, 0x8041,
1567 		    "PCI/Register disconnect, exiting.\n");
1568 		qla_pci_set_eeh_busy(vha);
1569 		return SUCCESS;
1570 	}
1571 
1572 	id = cmd->device->id;
1573 	lun = cmd->device->lun;
1574 
1575 	ql_log(ql_log_info, vha, 0x8018,
1576 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1577 
1578 	/*
1579 	 * No point in issuing another reset if one is active.  Also do not
1580 	 * attempt a reset if we are updating flash.
1581 	 */
1582 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1583 		goto eh_host_reset_lock;
1584 
1585 	if (vha != base_vha) {
1586 		if (qla2x00_vp_abort_isp(vha))
1587 			goto eh_host_reset_lock;
1588 	} else {
1589 		if (IS_P3P_TYPE(vha->hw)) {
1590 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1591 				/* Ctx reset success */
1592 				ret = SUCCESS;
1593 				goto eh_host_reset_lock;
1594 			}
1595 			/* fall thru if ctx reset failed */
1596 		}
1597 		if (ha->wq)
1598 			flush_workqueue(ha->wq);
1599 
1600 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1601 		if (ha->isp_ops->abort_isp(base_vha)) {
1602 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1603 			/* failed. schedule dpc to try */
1604 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1605 
1606 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1607 				ql_log(ql_log_warn, vha, 0x802a,
1608 				    "wait for hba online failed.\n");
1609 				goto eh_host_reset_lock;
1610 			}
1611 		}
1612 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1613 	}
1614 
1615 	/* Waiting for command to be returned to OS.*/
1616 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1617 		QLA_SUCCESS)
1618 		ret = SUCCESS;
1619 
1620 eh_host_reset_lock:
1621 	ql_log(ql_log_info, vha, 0x8017,
1622 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1623 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1624 
1625 	return ret;
1626 }
1627 
1628 /*
1629 * qla2x00_loop_reset
1630 *      Issue loop reset.
1631 *
1632 * Input:
1633 *      ha = adapter block pointer.
1634 *
1635 * Returns:
1636 *      0 = success
1637 */
1638 int
1639 qla2x00_loop_reset(scsi_qla_host_t *vha)
1640 {
1641 	int ret;
1642 	struct fc_port *fcport;
1643 	struct qla_hw_data *ha = vha->hw;
1644 
1645 	if (IS_QLAFX00(ha)) {
1646 		return qlafx00_loop_reset(vha);
1647 	}
1648 
1649 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1650 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1651 			if (fcport->port_type != FCT_TARGET)
1652 				continue;
1653 
1654 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1655 			if (ret != QLA_SUCCESS) {
1656 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1657 				    "Bus Reset failed: Reset=%d "
1658 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1659 			}
1660 		}
1661 	}
1662 
1663 
1664 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1665 		atomic_set(&vha->loop_state, LOOP_DOWN);
1666 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1667 		qla2x00_mark_all_devices_lost(vha);
1668 		ret = qla2x00_full_login_lip(vha);
1669 		if (ret != QLA_SUCCESS) {
1670 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1671 			    "full_login_lip=%d.\n", ret);
1672 		}
1673 	}
1674 
1675 	if (ha->flags.enable_lip_reset) {
1676 		ret = qla2x00_lip_reset(vha);
1677 		if (ret != QLA_SUCCESS)
1678 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1679 			    "lip_reset failed (%d).\n", ret);
1680 	}
1681 
1682 	/* Issue marker command only when we are going to start the I/O */
1683 	vha->marker_needed = 1;
1684 
1685 	return QLA_SUCCESS;
1686 }
1687 
1688 /*
1689  * The caller must ensure that no completion interrupts will happen
1690  * while this function is in progress.
1691  */
1692 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1693 			      unsigned long *flags)
1694 	__releases(qp->qp_lock_ptr)
1695 	__acquires(qp->qp_lock_ptr)
1696 {
1697 	DECLARE_COMPLETION_ONSTACK(comp);
1698 	scsi_qla_host_t *vha = qp->vha;
1699 	struct qla_hw_data *ha = vha->hw;
1700 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1701 	int rval;
1702 	bool ret_cmd;
1703 	uint32_t ratov_j;
1704 
1705 	lockdep_assert_held(qp->qp_lock_ptr);
1706 
1707 	if (qla2x00_chip_is_down(vha)) {
1708 		sp->done(sp, res);
1709 		return;
1710 	}
1711 
1712 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1713 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1714 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1715 	     !qla2x00_isp_reg_stat(ha))) {
1716 		if (sp->comp) {
1717 			sp->done(sp, res);
1718 			return;
1719 		}
1720 
1721 		sp->comp = &comp;
1722 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1723 
1724 		rval = ha->isp_ops->abort_command(sp);
1725 		/* Wait for command completion. */
1726 		ret_cmd = false;
1727 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1728 		ratov_j = msecs_to_jiffies(ratov_j);
1729 		switch (rval) {
1730 		case QLA_SUCCESS:
1731 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1732 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1733 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1734 				    __func__, ha->r_a_tov/10);
1735 				ret_cmd = true;
1736 			}
1737 			/* else FW return SP to driver */
1738 			break;
1739 		default:
1740 			ret_cmd = true;
1741 			break;
1742 		}
1743 
1744 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1745 		if (ret_cmd && blk_mq_request_started(cmd->request))
1746 			sp->done(sp, res);
1747 	} else {
1748 		sp->done(sp, res);
1749 	}
1750 }
1751 
1752 /*
1753  * The caller must ensure that no completion interrupts will happen
1754  * while this function is in progress.
1755  */
1756 static void
1757 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1758 {
1759 	int cnt;
1760 	unsigned long flags;
1761 	srb_t *sp;
1762 	scsi_qla_host_t *vha = qp->vha;
1763 	struct qla_hw_data *ha = vha->hw;
1764 	struct req_que *req;
1765 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1766 	struct qla_tgt_cmd *cmd;
1767 
1768 	if (!ha->req_q_map)
1769 		return;
1770 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1771 	req = qp->req;
1772 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1773 		sp = req->outstanding_cmds[cnt];
1774 		if (sp) {
1775 			switch (sp->cmd_type) {
1776 			case TYPE_SRB:
1777 				qla2x00_abort_srb(qp, sp, res, &flags);
1778 				break;
1779 			case TYPE_TGT_CMD:
1780 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1781 				    qla_ini_mode_enabled(vha)) {
1782 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1783 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1784 					    vha->dpc_flags);
1785 					continue;
1786 				}
1787 				cmd = (struct qla_tgt_cmd *)sp;
1788 				cmd->aborted = 1;
1789 				break;
1790 			case TYPE_TGT_TMCMD:
1791 				/* Skip task management functions. */
1792 				break;
1793 			default:
1794 				break;
1795 			}
1796 			req->outstanding_cmds[cnt] = NULL;
1797 		}
1798 	}
1799 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1800 }
1801 
1802 /*
1803  * The caller must ensure that no completion interrupts will happen
1804  * while this function is in progress.
1805  */
1806 void
1807 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1808 {
1809 	int que;
1810 	struct qla_hw_data *ha = vha->hw;
1811 
1812 	/* Continue only if initialization complete. */
1813 	if (!ha->base_qpair)
1814 		return;
1815 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1816 
1817 	if (!ha->queue_pair_map)
1818 		return;
1819 	for (que = 0; que < ha->max_qpairs; que++) {
1820 		if (!ha->queue_pair_map[que])
1821 			continue;
1822 
1823 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1824 	}
1825 }
1826 
1827 static int
1828 qla2xxx_slave_alloc(struct scsi_device *sdev)
1829 {
1830 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1831 
1832 	if (!rport || fc_remote_port_chkready(rport))
1833 		return -ENXIO;
1834 
1835 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1836 
1837 	return 0;
1838 }
1839 
1840 static int
1841 qla2xxx_slave_configure(struct scsi_device *sdev)
1842 {
1843 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1844 	struct req_que *req = vha->req;
1845 
1846 	if (IS_T10_PI_CAPABLE(vha->hw))
1847 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1848 
1849 	scsi_change_queue_depth(sdev, req->max_q_depth);
1850 	return 0;
1851 }
1852 
1853 static void
1854 qla2xxx_slave_destroy(struct scsi_device *sdev)
1855 {
1856 	sdev->hostdata = NULL;
1857 }
1858 
1859 /**
1860  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1861  * @ha: HA context
1862  *
1863  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1864  * supported addressing method.
1865  */
1866 static void
1867 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1868 {
1869 	/* Assume a 32bit DMA mask. */
1870 	ha->flags.enable_64bit_addressing = 0;
1871 
1872 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1873 		/* Any upper-dword bits set? */
1874 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1875 		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1876 			/* Ok, a 64bit DMA mask is applicable. */
1877 			ha->flags.enable_64bit_addressing = 1;
1878 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1879 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1880 			return;
1881 		}
1882 	}
1883 
1884 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1885 	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1886 }
1887 
1888 static void
1889 qla2x00_enable_intrs(struct qla_hw_data *ha)
1890 {
1891 	unsigned long flags = 0;
1892 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1893 
1894 	spin_lock_irqsave(&ha->hardware_lock, flags);
1895 	ha->interrupts_on = 1;
1896 	/* enable risc and host interrupts */
1897 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1898 	rd_reg_word(&reg->ictrl);
1899 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1900 
1901 }
1902 
1903 static void
1904 qla2x00_disable_intrs(struct qla_hw_data *ha)
1905 {
1906 	unsigned long flags = 0;
1907 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1908 
1909 	spin_lock_irqsave(&ha->hardware_lock, flags);
1910 	ha->interrupts_on = 0;
1911 	/* disable risc and host interrupts */
1912 	wrt_reg_word(&reg->ictrl, 0);
1913 	rd_reg_word(&reg->ictrl);
1914 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1915 }
1916 
1917 static void
1918 qla24xx_enable_intrs(struct qla_hw_data *ha)
1919 {
1920 	unsigned long flags = 0;
1921 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1922 
1923 	spin_lock_irqsave(&ha->hardware_lock, flags);
1924 	ha->interrupts_on = 1;
1925 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
1926 	rd_reg_dword(&reg->ictrl);
1927 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1928 }
1929 
1930 static void
1931 qla24xx_disable_intrs(struct qla_hw_data *ha)
1932 {
1933 	unsigned long flags = 0;
1934 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1935 
1936 	if (IS_NOPOLLING_TYPE(ha))
1937 		return;
1938 	spin_lock_irqsave(&ha->hardware_lock, flags);
1939 	ha->interrupts_on = 0;
1940 	wrt_reg_dword(&reg->ictrl, 0);
1941 	rd_reg_dword(&reg->ictrl);
1942 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1943 }
1944 
1945 static int
1946 qla2x00_iospace_config(struct qla_hw_data *ha)
1947 {
1948 	resource_size_t pio;
1949 	uint16_t msix;
1950 
1951 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1952 	    QLA2XXX_DRIVER_NAME)) {
1953 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1954 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1955 		    pci_name(ha->pdev));
1956 		goto iospace_error_exit;
1957 	}
1958 	if (!(ha->bars & 1))
1959 		goto skip_pio;
1960 
1961 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1962 	pio = pci_resource_start(ha->pdev, 0);
1963 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1964 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1965 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1966 			    "Invalid pci I/O region size (%s).\n",
1967 			    pci_name(ha->pdev));
1968 			pio = 0;
1969 		}
1970 	} else {
1971 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1972 		    "Region #0 no a PIO resource (%s).\n",
1973 		    pci_name(ha->pdev));
1974 		pio = 0;
1975 	}
1976 	ha->pio_address = pio;
1977 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1978 	    "PIO address=%llu.\n",
1979 	    (unsigned long long)ha->pio_address);
1980 
1981 skip_pio:
1982 	/* Use MMIO operations for all accesses. */
1983 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1984 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1985 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1986 		    pci_name(ha->pdev));
1987 		goto iospace_error_exit;
1988 	}
1989 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1990 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1991 		    "Invalid PCI mem region size (%s), aborting.\n",
1992 		    pci_name(ha->pdev));
1993 		goto iospace_error_exit;
1994 	}
1995 
1996 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1997 	if (!ha->iobase) {
1998 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1999 		    "Cannot remap MMIO (%s), aborting.\n",
2000 		    pci_name(ha->pdev));
2001 		goto iospace_error_exit;
2002 	}
2003 
2004 	/* Determine queue resources */
2005 	ha->max_req_queues = ha->max_rsp_queues = 1;
2006 	ha->msix_count = QLA_BASE_VECTORS;
2007 
2008 	/* Check if FW supports MQ or not */
2009 	if (!(ha->fw_attributes & BIT_6))
2010 		goto mqiobase_exit;
2011 
2012 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2013 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2014 		goto mqiobase_exit;
2015 
2016 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2017 			pci_resource_len(ha->pdev, 3));
2018 	if (ha->mqiobase) {
2019 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2020 		    "MQIO Base=%p.\n", ha->mqiobase);
2021 		/* Read MSIX vector size of the board */
2022 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2023 		ha->msix_count = msix + 1;
2024 		/* Max queues are bounded by available msix vectors */
2025 		/* MB interrupt uses 1 vector */
2026 		ha->max_req_queues = ha->msix_count - 1;
2027 		ha->max_rsp_queues = ha->max_req_queues;
2028 		/* Queue pairs is the max value minus the base queue pair */
2029 		ha->max_qpairs = ha->max_rsp_queues - 1;
2030 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2031 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2032 
2033 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2034 		    "MSI-X vector count: %d.\n", ha->msix_count);
2035 	} else
2036 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2037 		    "BAR 3 not enabled.\n");
2038 
2039 mqiobase_exit:
2040 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2041 	    "MSIX Count: %d.\n", ha->msix_count);
2042 	return (0);
2043 
2044 iospace_error_exit:
2045 	return (-ENOMEM);
2046 }
2047 
2048 
2049 static int
2050 qla83xx_iospace_config(struct qla_hw_data *ha)
2051 {
2052 	uint16_t msix;
2053 
2054 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2055 	    QLA2XXX_DRIVER_NAME)) {
2056 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2057 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2058 		    pci_name(ha->pdev));
2059 
2060 		goto iospace_error_exit;
2061 	}
2062 
2063 	/* Use MMIO operations for all accesses. */
2064 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2065 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2066 		    "Invalid pci I/O region size (%s).\n",
2067 		    pci_name(ha->pdev));
2068 		goto iospace_error_exit;
2069 	}
2070 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2071 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2072 		    "Invalid PCI mem region size (%s), aborting\n",
2073 			pci_name(ha->pdev));
2074 		goto iospace_error_exit;
2075 	}
2076 
2077 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2078 	if (!ha->iobase) {
2079 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2080 		    "Cannot remap MMIO (%s), aborting.\n",
2081 		    pci_name(ha->pdev));
2082 		goto iospace_error_exit;
2083 	}
2084 
2085 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2086 	/* 83XX 26XX always use MQ type access for queues
2087 	 * - mbar 2, a.k.a region 4 */
2088 	ha->max_req_queues = ha->max_rsp_queues = 1;
2089 	ha->msix_count = QLA_BASE_VECTORS;
2090 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2091 			pci_resource_len(ha->pdev, 4));
2092 
2093 	if (!ha->mqiobase) {
2094 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2095 		    "BAR2/region4 not enabled\n");
2096 		goto mqiobase_exit;
2097 	}
2098 
2099 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2100 			pci_resource_len(ha->pdev, 2));
2101 	if (ha->msixbase) {
2102 		/* Read MSIX vector size of the board */
2103 		pci_read_config_word(ha->pdev,
2104 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2105 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2106 		/*
2107 		 * By default, driver uses at least two msix vectors
2108 		 * (default & rspq)
2109 		 */
2110 		if (ql2xmqsupport || ql2xnvmeenable) {
2111 			/* MB interrupt uses 1 vector */
2112 			ha->max_req_queues = ha->msix_count - 1;
2113 
2114 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2115 			if (QLA_TGT_MODE_ENABLED())
2116 				ha->max_req_queues--;
2117 
2118 			ha->max_rsp_queues = ha->max_req_queues;
2119 
2120 			/* Queue pairs is the max value minus
2121 			 * the base queue pair */
2122 			ha->max_qpairs = ha->max_req_queues - 1;
2123 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2124 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2125 		}
2126 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2127 		    "MSI-X vector count: %d.\n", ha->msix_count);
2128 	} else
2129 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2130 		    "BAR 1 not enabled.\n");
2131 
2132 mqiobase_exit:
2133 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2134 	    "MSIX Count: %d.\n", ha->msix_count);
2135 	return 0;
2136 
2137 iospace_error_exit:
2138 	return -ENOMEM;
2139 }
2140 
2141 static struct isp_operations qla2100_isp_ops = {
2142 	.pci_config		= qla2100_pci_config,
2143 	.reset_chip		= qla2x00_reset_chip,
2144 	.chip_diag		= qla2x00_chip_diag,
2145 	.config_rings		= qla2x00_config_rings,
2146 	.reset_adapter		= qla2x00_reset_adapter,
2147 	.nvram_config		= qla2x00_nvram_config,
2148 	.update_fw_options	= qla2x00_update_fw_options,
2149 	.load_risc		= qla2x00_load_risc,
2150 	.pci_info_str		= qla2x00_pci_info_str,
2151 	.fw_version_str		= qla2x00_fw_version_str,
2152 	.intr_handler		= qla2100_intr_handler,
2153 	.enable_intrs		= qla2x00_enable_intrs,
2154 	.disable_intrs		= qla2x00_disable_intrs,
2155 	.abort_command		= qla2x00_abort_command,
2156 	.target_reset		= qla2x00_abort_target,
2157 	.lun_reset		= qla2x00_lun_reset,
2158 	.fabric_login		= qla2x00_login_fabric,
2159 	.fabric_logout		= qla2x00_fabric_logout,
2160 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2161 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2162 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2163 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2164 	.read_nvram		= qla2x00_read_nvram_data,
2165 	.write_nvram		= qla2x00_write_nvram_data,
2166 	.fw_dump		= qla2100_fw_dump,
2167 	.beacon_on		= NULL,
2168 	.beacon_off		= NULL,
2169 	.beacon_blink		= NULL,
2170 	.read_optrom		= qla2x00_read_optrom_data,
2171 	.write_optrom		= qla2x00_write_optrom_data,
2172 	.get_flash_version	= qla2x00_get_flash_version,
2173 	.start_scsi		= qla2x00_start_scsi,
2174 	.start_scsi_mq          = NULL,
2175 	.abort_isp		= qla2x00_abort_isp,
2176 	.iospace_config     	= qla2x00_iospace_config,
2177 	.initialize_adapter	= qla2x00_initialize_adapter,
2178 };
2179 
2180 static struct isp_operations qla2300_isp_ops = {
2181 	.pci_config		= qla2300_pci_config,
2182 	.reset_chip		= qla2x00_reset_chip,
2183 	.chip_diag		= qla2x00_chip_diag,
2184 	.config_rings		= qla2x00_config_rings,
2185 	.reset_adapter		= qla2x00_reset_adapter,
2186 	.nvram_config		= qla2x00_nvram_config,
2187 	.update_fw_options	= qla2x00_update_fw_options,
2188 	.load_risc		= qla2x00_load_risc,
2189 	.pci_info_str		= qla2x00_pci_info_str,
2190 	.fw_version_str		= qla2x00_fw_version_str,
2191 	.intr_handler		= qla2300_intr_handler,
2192 	.enable_intrs		= qla2x00_enable_intrs,
2193 	.disable_intrs		= qla2x00_disable_intrs,
2194 	.abort_command		= qla2x00_abort_command,
2195 	.target_reset		= qla2x00_abort_target,
2196 	.lun_reset		= qla2x00_lun_reset,
2197 	.fabric_login		= qla2x00_login_fabric,
2198 	.fabric_logout		= qla2x00_fabric_logout,
2199 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2200 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2201 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2202 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2203 	.read_nvram		= qla2x00_read_nvram_data,
2204 	.write_nvram		= qla2x00_write_nvram_data,
2205 	.fw_dump		= qla2300_fw_dump,
2206 	.beacon_on		= qla2x00_beacon_on,
2207 	.beacon_off		= qla2x00_beacon_off,
2208 	.beacon_blink		= qla2x00_beacon_blink,
2209 	.read_optrom		= qla2x00_read_optrom_data,
2210 	.write_optrom		= qla2x00_write_optrom_data,
2211 	.get_flash_version	= qla2x00_get_flash_version,
2212 	.start_scsi		= qla2x00_start_scsi,
2213 	.start_scsi_mq          = NULL,
2214 	.abort_isp		= qla2x00_abort_isp,
2215 	.iospace_config		= qla2x00_iospace_config,
2216 	.initialize_adapter	= qla2x00_initialize_adapter,
2217 };
2218 
2219 static struct isp_operations qla24xx_isp_ops = {
2220 	.pci_config		= qla24xx_pci_config,
2221 	.reset_chip		= qla24xx_reset_chip,
2222 	.chip_diag		= qla24xx_chip_diag,
2223 	.config_rings		= qla24xx_config_rings,
2224 	.reset_adapter		= qla24xx_reset_adapter,
2225 	.nvram_config		= qla24xx_nvram_config,
2226 	.update_fw_options	= qla24xx_update_fw_options,
2227 	.load_risc		= qla24xx_load_risc,
2228 	.pci_info_str		= qla24xx_pci_info_str,
2229 	.fw_version_str		= qla24xx_fw_version_str,
2230 	.intr_handler		= qla24xx_intr_handler,
2231 	.enable_intrs		= qla24xx_enable_intrs,
2232 	.disable_intrs		= qla24xx_disable_intrs,
2233 	.abort_command		= qla24xx_abort_command,
2234 	.target_reset		= qla24xx_abort_target,
2235 	.lun_reset		= qla24xx_lun_reset,
2236 	.fabric_login		= qla24xx_login_fabric,
2237 	.fabric_logout		= qla24xx_fabric_logout,
2238 	.calc_req_entries	= NULL,
2239 	.build_iocbs		= NULL,
2240 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2241 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2242 	.read_nvram		= qla24xx_read_nvram_data,
2243 	.write_nvram		= qla24xx_write_nvram_data,
2244 	.fw_dump		= qla24xx_fw_dump,
2245 	.beacon_on		= qla24xx_beacon_on,
2246 	.beacon_off		= qla24xx_beacon_off,
2247 	.beacon_blink		= qla24xx_beacon_blink,
2248 	.read_optrom		= qla24xx_read_optrom_data,
2249 	.write_optrom		= qla24xx_write_optrom_data,
2250 	.get_flash_version	= qla24xx_get_flash_version,
2251 	.start_scsi		= qla24xx_start_scsi,
2252 	.start_scsi_mq          = NULL,
2253 	.abort_isp		= qla2x00_abort_isp,
2254 	.iospace_config		= qla2x00_iospace_config,
2255 	.initialize_adapter	= qla2x00_initialize_adapter,
2256 };
2257 
2258 static struct isp_operations qla25xx_isp_ops = {
2259 	.pci_config		= qla25xx_pci_config,
2260 	.reset_chip		= qla24xx_reset_chip,
2261 	.chip_diag		= qla24xx_chip_diag,
2262 	.config_rings		= qla24xx_config_rings,
2263 	.reset_adapter		= qla24xx_reset_adapter,
2264 	.nvram_config		= qla24xx_nvram_config,
2265 	.update_fw_options	= qla24xx_update_fw_options,
2266 	.load_risc		= qla24xx_load_risc,
2267 	.pci_info_str		= qla24xx_pci_info_str,
2268 	.fw_version_str		= qla24xx_fw_version_str,
2269 	.intr_handler		= qla24xx_intr_handler,
2270 	.enable_intrs		= qla24xx_enable_intrs,
2271 	.disable_intrs		= qla24xx_disable_intrs,
2272 	.abort_command		= qla24xx_abort_command,
2273 	.target_reset		= qla24xx_abort_target,
2274 	.lun_reset		= qla24xx_lun_reset,
2275 	.fabric_login		= qla24xx_login_fabric,
2276 	.fabric_logout		= qla24xx_fabric_logout,
2277 	.calc_req_entries	= NULL,
2278 	.build_iocbs		= NULL,
2279 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2280 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2281 	.read_nvram		= qla25xx_read_nvram_data,
2282 	.write_nvram		= qla25xx_write_nvram_data,
2283 	.fw_dump		= qla25xx_fw_dump,
2284 	.beacon_on		= qla24xx_beacon_on,
2285 	.beacon_off		= qla24xx_beacon_off,
2286 	.beacon_blink		= qla24xx_beacon_blink,
2287 	.read_optrom		= qla25xx_read_optrom_data,
2288 	.write_optrom		= qla24xx_write_optrom_data,
2289 	.get_flash_version	= qla24xx_get_flash_version,
2290 	.start_scsi		= qla24xx_dif_start_scsi,
2291 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2292 	.abort_isp		= qla2x00_abort_isp,
2293 	.iospace_config		= qla2x00_iospace_config,
2294 	.initialize_adapter	= qla2x00_initialize_adapter,
2295 };
2296 
2297 static struct isp_operations qla81xx_isp_ops = {
2298 	.pci_config		= qla25xx_pci_config,
2299 	.reset_chip		= qla24xx_reset_chip,
2300 	.chip_diag		= qla24xx_chip_diag,
2301 	.config_rings		= qla24xx_config_rings,
2302 	.reset_adapter		= qla24xx_reset_adapter,
2303 	.nvram_config		= qla81xx_nvram_config,
2304 	.update_fw_options	= qla24xx_update_fw_options,
2305 	.load_risc		= qla81xx_load_risc,
2306 	.pci_info_str		= qla24xx_pci_info_str,
2307 	.fw_version_str		= qla24xx_fw_version_str,
2308 	.intr_handler		= qla24xx_intr_handler,
2309 	.enable_intrs		= qla24xx_enable_intrs,
2310 	.disable_intrs		= qla24xx_disable_intrs,
2311 	.abort_command		= qla24xx_abort_command,
2312 	.target_reset		= qla24xx_abort_target,
2313 	.lun_reset		= qla24xx_lun_reset,
2314 	.fabric_login		= qla24xx_login_fabric,
2315 	.fabric_logout		= qla24xx_fabric_logout,
2316 	.calc_req_entries	= NULL,
2317 	.build_iocbs		= NULL,
2318 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2319 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2320 	.read_nvram		= NULL,
2321 	.write_nvram		= NULL,
2322 	.fw_dump		= qla81xx_fw_dump,
2323 	.beacon_on		= qla24xx_beacon_on,
2324 	.beacon_off		= qla24xx_beacon_off,
2325 	.beacon_blink		= qla83xx_beacon_blink,
2326 	.read_optrom		= qla25xx_read_optrom_data,
2327 	.write_optrom		= qla24xx_write_optrom_data,
2328 	.get_flash_version	= qla24xx_get_flash_version,
2329 	.start_scsi		= qla24xx_dif_start_scsi,
2330 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2331 	.abort_isp		= qla2x00_abort_isp,
2332 	.iospace_config		= qla2x00_iospace_config,
2333 	.initialize_adapter	= qla2x00_initialize_adapter,
2334 };
2335 
2336 static struct isp_operations qla82xx_isp_ops = {
2337 	.pci_config		= qla82xx_pci_config,
2338 	.reset_chip		= qla82xx_reset_chip,
2339 	.chip_diag		= qla24xx_chip_diag,
2340 	.config_rings		= qla82xx_config_rings,
2341 	.reset_adapter		= qla24xx_reset_adapter,
2342 	.nvram_config		= qla81xx_nvram_config,
2343 	.update_fw_options	= qla24xx_update_fw_options,
2344 	.load_risc		= qla82xx_load_risc,
2345 	.pci_info_str		= qla24xx_pci_info_str,
2346 	.fw_version_str		= qla24xx_fw_version_str,
2347 	.intr_handler		= qla82xx_intr_handler,
2348 	.enable_intrs		= qla82xx_enable_intrs,
2349 	.disable_intrs		= qla82xx_disable_intrs,
2350 	.abort_command		= qla24xx_abort_command,
2351 	.target_reset		= qla24xx_abort_target,
2352 	.lun_reset		= qla24xx_lun_reset,
2353 	.fabric_login		= qla24xx_login_fabric,
2354 	.fabric_logout		= qla24xx_fabric_logout,
2355 	.calc_req_entries	= NULL,
2356 	.build_iocbs		= NULL,
2357 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2358 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2359 	.read_nvram		= qla24xx_read_nvram_data,
2360 	.write_nvram		= qla24xx_write_nvram_data,
2361 	.fw_dump		= qla82xx_fw_dump,
2362 	.beacon_on		= qla82xx_beacon_on,
2363 	.beacon_off		= qla82xx_beacon_off,
2364 	.beacon_blink		= NULL,
2365 	.read_optrom		= qla82xx_read_optrom_data,
2366 	.write_optrom		= qla82xx_write_optrom_data,
2367 	.get_flash_version	= qla82xx_get_flash_version,
2368 	.start_scsi             = qla82xx_start_scsi,
2369 	.start_scsi_mq          = NULL,
2370 	.abort_isp		= qla82xx_abort_isp,
2371 	.iospace_config     	= qla82xx_iospace_config,
2372 	.initialize_adapter	= qla2x00_initialize_adapter,
2373 };
2374 
2375 static struct isp_operations qla8044_isp_ops = {
2376 	.pci_config		= qla82xx_pci_config,
2377 	.reset_chip		= qla82xx_reset_chip,
2378 	.chip_diag		= qla24xx_chip_diag,
2379 	.config_rings		= qla82xx_config_rings,
2380 	.reset_adapter		= qla24xx_reset_adapter,
2381 	.nvram_config		= qla81xx_nvram_config,
2382 	.update_fw_options	= qla24xx_update_fw_options,
2383 	.load_risc		= qla82xx_load_risc,
2384 	.pci_info_str		= qla24xx_pci_info_str,
2385 	.fw_version_str		= qla24xx_fw_version_str,
2386 	.intr_handler		= qla8044_intr_handler,
2387 	.enable_intrs		= qla82xx_enable_intrs,
2388 	.disable_intrs		= qla82xx_disable_intrs,
2389 	.abort_command		= qla24xx_abort_command,
2390 	.target_reset		= qla24xx_abort_target,
2391 	.lun_reset		= qla24xx_lun_reset,
2392 	.fabric_login		= qla24xx_login_fabric,
2393 	.fabric_logout		= qla24xx_fabric_logout,
2394 	.calc_req_entries	= NULL,
2395 	.build_iocbs		= NULL,
2396 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2397 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2398 	.read_nvram		= NULL,
2399 	.write_nvram		= NULL,
2400 	.fw_dump		= qla8044_fw_dump,
2401 	.beacon_on		= qla82xx_beacon_on,
2402 	.beacon_off		= qla82xx_beacon_off,
2403 	.beacon_blink		= NULL,
2404 	.read_optrom		= qla8044_read_optrom_data,
2405 	.write_optrom		= qla8044_write_optrom_data,
2406 	.get_flash_version	= qla82xx_get_flash_version,
2407 	.start_scsi             = qla82xx_start_scsi,
2408 	.start_scsi_mq          = NULL,
2409 	.abort_isp		= qla8044_abort_isp,
2410 	.iospace_config		= qla82xx_iospace_config,
2411 	.initialize_adapter	= qla2x00_initialize_adapter,
2412 };
2413 
2414 static struct isp_operations qla83xx_isp_ops = {
2415 	.pci_config		= qla25xx_pci_config,
2416 	.reset_chip		= qla24xx_reset_chip,
2417 	.chip_diag		= qla24xx_chip_diag,
2418 	.config_rings		= qla24xx_config_rings,
2419 	.reset_adapter		= qla24xx_reset_adapter,
2420 	.nvram_config		= qla81xx_nvram_config,
2421 	.update_fw_options	= qla24xx_update_fw_options,
2422 	.load_risc		= qla81xx_load_risc,
2423 	.pci_info_str		= qla24xx_pci_info_str,
2424 	.fw_version_str		= qla24xx_fw_version_str,
2425 	.intr_handler		= qla24xx_intr_handler,
2426 	.enable_intrs		= qla24xx_enable_intrs,
2427 	.disable_intrs		= qla24xx_disable_intrs,
2428 	.abort_command		= qla24xx_abort_command,
2429 	.target_reset		= qla24xx_abort_target,
2430 	.lun_reset		= qla24xx_lun_reset,
2431 	.fabric_login		= qla24xx_login_fabric,
2432 	.fabric_logout		= qla24xx_fabric_logout,
2433 	.calc_req_entries	= NULL,
2434 	.build_iocbs		= NULL,
2435 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2436 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2437 	.read_nvram		= NULL,
2438 	.write_nvram		= NULL,
2439 	.fw_dump		= qla83xx_fw_dump,
2440 	.beacon_on		= qla24xx_beacon_on,
2441 	.beacon_off		= qla24xx_beacon_off,
2442 	.beacon_blink		= qla83xx_beacon_blink,
2443 	.read_optrom		= qla25xx_read_optrom_data,
2444 	.write_optrom		= qla24xx_write_optrom_data,
2445 	.get_flash_version	= qla24xx_get_flash_version,
2446 	.start_scsi		= qla24xx_dif_start_scsi,
2447 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2448 	.abort_isp		= qla2x00_abort_isp,
2449 	.iospace_config		= qla83xx_iospace_config,
2450 	.initialize_adapter	= qla2x00_initialize_adapter,
2451 };
2452 
2453 static struct isp_operations qlafx00_isp_ops = {
2454 	.pci_config		= qlafx00_pci_config,
2455 	.reset_chip		= qlafx00_soft_reset,
2456 	.chip_diag		= qlafx00_chip_diag,
2457 	.config_rings		= qlafx00_config_rings,
2458 	.reset_adapter		= qlafx00_soft_reset,
2459 	.nvram_config		= NULL,
2460 	.update_fw_options	= NULL,
2461 	.load_risc		= NULL,
2462 	.pci_info_str		= qlafx00_pci_info_str,
2463 	.fw_version_str		= qlafx00_fw_version_str,
2464 	.intr_handler		= qlafx00_intr_handler,
2465 	.enable_intrs		= qlafx00_enable_intrs,
2466 	.disable_intrs		= qlafx00_disable_intrs,
2467 	.abort_command		= qla24xx_async_abort_command,
2468 	.target_reset		= qlafx00_abort_target,
2469 	.lun_reset		= qlafx00_lun_reset,
2470 	.fabric_login		= NULL,
2471 	.fabric_logout		= NULL,
2472 	.calc_req_entries	= NULL,
2473 	.build_iocbs		= NULL,
2474 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2475 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2476 	.read_nvram		= qla24xx_read_nvram_data,
2477 	.write_nvram		= qla24xx_write_nvram_data,
2478 	.fw_dump		= NULL,
2479 	.beacon_on		= qla24xx_beacon_on,
2480 	.beacon_off		= qla24xx_beacon_off,
2481 	.beacon_blink		= NULL,
2482 	.read_optrom		= qla24xx_read_optrom_data,
2483 	.write_optrom		= qla24xx_write_optrom_data,
2484 	.get_flash_version	= qla24xx_get_flash_version,
2485 	.start_scsi		= qlafx00_start_scsi,
2486 	.start_scsi_mq          = NULL,
2487 	.abort_isp		= qlafx00_abort_isp,
2488 	.iospace_config		= qlafx00_iospace_config,
2489 	.initialize_adapter	= qlafx00_initialize_adapter,
2490 };
2491 
2492 static struct isp_operations qla27xx_isp_ops = {
2493 	.pci_config		= qla25xx_pci_config,
2494 	.reset_chip		= qla24xx_reset_chip,
2495 	.chip_diag		= qla24xx_chip_diag,
2496 	.config_rings		= qla24xx_config_rings,
2497 	.reset_adapter		= qla24xx_reset_adapter,
2498 	.nvram_config		= qla81xx_nvram_config,
2499 	.update_fw_options	= qla24xx_update_fw_options,
2500 	.load_risc		= qla81xx_load_risc,
2501 	.pci_info_str		= qla24xx_pci_info_str,
2502 	.fw_version_str		= qla24xx_fw_version_str,
2503 	.intr_handler		= qla24xx_intr_handler,
2504 	.enable_intrs		= qla24xx_enable_intrs,
2505 	.disable_intrs		= qla24xx_disable_intrs,
2506 	.abort_command		= qla24xx_abort_command,
2507 	.target_reset		= qla24xx_abort_target,
2508 	.lun_reset		= qla24xx_lun_reset,
2509 	.fabric_login		= qla24xx_login_fabric,
2510 	.fabric_logout		= qla24xx_fabric_logout,
2511 	.calc_req_entries	= NULL,
2512 	.build_iocbs		= NULL,
2513 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2514 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2515 	.read_nvram		= NULL,
2516 	.write_nvram		= NULL,
2517 	.fw_dump		= qla27xx_fwdump,
2518 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2519 	.beacon_on		= qla24xx_beacon_on,
2520 	.beacon_off		= qla24xx_beacon_off,
2521 	.beacon_blink		= qla83xx_beacon_blink,
2522 	.read_optrom		= qla25xx_read_optrom_data,
2523 	.write_optrom		= qla24xx_write_optrom_data,
2524 	.get_flash_version	= qla24xx_get_flash_version,
2525 	.start_scsi		= qla24xx_dif_start_scsi,
2526 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2527 	.abort_isp		= qla2x00_abort_isp,
2528 	.iospace_config		= qla83xx_iospace_config,
2529 	.initialize_adapter	= qla2x00_initialize_adapter,
2530 };
2531 
2532 static inline void
2533 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2534 {
2535 	ha->device_type = DT_EXTENDED_IDS;
2536 	switch (ha->pdev->device) {
2537 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2538 		ha->isp_type |= DT_ISP2100;
2539 		ha->device_type &= ~DT_EXTENDED_IDS;
2540 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2541 		break;
2542 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2543 		ha->isp_type |= DT_ISP2200;
2544 		ha->device_type &= ~DT_EXTENDED_IDS;
2545 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2546 		break;
2547 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2548 		ha->isp_type |= DT_ISP2300;
2549 		ha->device_type |= DT_ZIO_SUPPORTED;
2550 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2551 		break;
2552 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2553 		ha->isp_type |= DT_ISP2312;
2554 		ha->device_type |= DT_ZIO_SUPPORTED;
2555 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2556 		break;
2557 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2558 		ha->isp_type |= DT_ISP2322;
2559 		ha->device_type |= DT_ZIO_SUPPORTED;
2560 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2561 		    ha->pdev->subsystem_device == 0x0170)
2562 			ha->device_type |= DT_OEM_001;
2563 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2564 		break;
2565 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2566 		ha->isp_type |= DT_ISP6312;
2567 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2568 		break;
2569 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2570 		ha->isp_type |= DT_ISP6322;
2571 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2572 		break;
2573 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2574 		ha->isp_type |= DT_ISP2422;
2575 		ha->device_type |= DT_ZIO_SUPPORTED;
2576 		ha->device_type |= DT_FWI2;
2577 		ha->device_type |= DT_IIDMA;
2578 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2579 		break;
2580 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2581 		ha->isp_type |= DT_ISP2432;
2582 		ha->device_type |= DT_ZIO_SUPPORTED;
2583 		ha->device_type |= DT_FWI2;
2584 		ha->device_type |= DT_IIDMA;
2585 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2586 		break;
2587 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2588 		ha->isp_type |= DT_ISP8432;
2589 		ha->device_type |= DT_ZIO_SUPPORTED;
2590 		ha->device_type |= DT_FWI2;
2591 		ha->device_type |= DT_IIDMA;
2592 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2593 		break;
2594 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2595 		ha->isp_type |= DT_ISP5422;
2596 		ha->device_type |= DT_FWI2;
2597 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2598 		break;
2599 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2600 		ha->isp_type |= DT_ISP5432;
2601 		ha->device_type |= DT_FWI2;
2602 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2603 		break;
2604 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2605 		ha->isp_type |= DT_ISP2532;
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_ISP8001:
2612 		ha->isp_type |= DT_ISP8001;
2613 		ha->device_type |= DT_ZIO_SUPPORTED;
2614 		ha->device_type |= DT_FWI2;
2615 		ha->device_type |= DT_IIDMA;
2616 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2617 		break;
2618 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2619 		ha->isp_type |= DT_ISP8021;
2620 		ha->device_type |= DT_ZIO_SUPPORTED;
2621 		ha->device_type |= DT_FWI2;
2622 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2623 		/* Initialize 82XX ISP flags */
2624 		qla82xx_init_flags(ha);
2625 		break;
2626 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2627 		ha->isp_type |= DT_ISP8044;
2628 		ha->device_type |= DT_ZIO_SUPPORTED;
2629 		ha->device_type |= DT_FWI2;
2630 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2631 		/* Initialize 82XX ISP flags */
2632 		qla82xx_init_flags(ha);
2633 		break;
2634 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2635 		ha->isp_type |= DT_ISP2031;
2636 		ha->device_type |= DT_ZIO_SUPPORTED;
2637 		ha->device_type |= DT_FWI2;
2638 		ha->device_type |= DT_IIDMA;
2639 		ha->device_type |= DT_T10_PI;
2640 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2641 		break;
2642 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2643 		ha->isp_type |= DT_ISP8031;
2644 		ha->device_type |= DT_ZIO_SUPPORTED;
2645 		ha->device_type |= DT_FWI2;
2646 		ha->device_type |= DT_IIDMA;
2647 		ha->device_type |= DT_T10_PI;
2648 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2649 		break;
2650 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2651 		ha->isp_type |= DT_ISPFX00;
2652 		break;
2653 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2654 		ha->isp_type |= DT_ISP2071;
2655 		ha->device_type |= DT_ZIO_SUPPORTED;
2656 		ha->device_type |= DT_FWI2;
2657 		ha->device_type |= DT_IIDMA;
2658 		ha->device_type |= DT_T10_PI;
2659 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2660 		break;
2661 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2662 		ha->isp_type |= DT_ISP2271;
2663 		ha->device_type |= DT_ZIO_SUPPORTED;
2664 		ha->device_type |= DT_FWI2;
2665 		ha->device_type |= DT_IIDMA;
2666 		ha->device_type |= DT_T10_PI;
2667 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2668 		break;
2669 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2670 		ha->isp_type |= DT_ISP2261;
2671 		ha->device_type |= DT_ZIO_SUPPORTED;
2672 		ha->device_type |= DT_FWI2;
2673 		ha->device_type |= DT_IIDMA;
2674 		ha->device_type |= DT_T10_PI;
2675 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2676 		break;
2677 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2678 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2679 		ha->isp_type |= DT_ISP2081;
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_ISP2281:
2687 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2688 		ha->isp_type |= DT_ISP2281;
2689 		ha->device_type |= DT_ZIO_SUPPORTED;
2690 		ha->device_type |= DT_FWI2;
2691 		ha->device_type |= DT_IIDMA;
2692 		ha->device_type |= DT_T10_PI;
2693 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2694 		break;
2695 	}
2696 
2697 	if (IS_QLA82XX(ha))
2698 		ha->port_no = ha->portnum & 1;
2699 	else {
2700 		/* Get adapter physical port no from interrupt pin register. */
2701 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2702 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2703 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2704 			ha->port_no--;
2705 		else
2706 			ha->port_no = !(ha->port_no & 1);
2707 	}
2708 
2709 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2710 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2711 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2712 }
2713 
2714 static void
2715 qla2xxx_scan_start(struct Scsi_Host *shost)
2716 {
2717 	scsi_qla_host_t *vha = shost_priv(shost);
2718 
2719 	if (vha->hw->flags.running_gold_fw)
2720 		return;
2721 
2722 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2723 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2724 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2725 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2726 }
2727 
2728 static int
2729 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2730 {
2731 	scsi_qla_host_t *vha = shost_priv(shost);
2732 
2733 	if (test_bit(UNLOADING, &vha->dpc_flags))
2734 		return 1;
2735 	if (!vha->host)
2736 		return 1;
2737 	if (time > vha->hw->loop_reset_delay * HZ)
2738 		return 1;
2739 
2740 	return atomic_read(&vha->loop_state) == LOOP_READY;
2741 }
2742 
2743 static void qla2x00_iocb_work_fn(struct work_struct *work)
2744 {
2745 	struct scsi_qla_host *vha = container_of(work,
2746 		struct scsi_qla_host, iocb_work);
2747 	struct qla_hw_data *ha = vha->hw;
2748 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2749 	int i = 2;
2750 	unsigned long flags;
2751 
2752 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2753 		return;
2754 
2755 	while (!list_empty(&vha->work_list) && i > 0) {
2756 		qla2x00_do_work(vha);
2757 		i--;
2758 	}
2759 
2760 	spin_lock_irqsave(&vha->work_lock, flags);
2761 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2762 	spin_unlock_irqrestore(&vha->work_lock, flags);
2763 }
2764 
2765 /*
2766  * PCI driver interface
2767  */
2768 static int
2769 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2770 {
2771 	int	ret = -ENODEV;
2772 	struct Scsi_Host *host;
2773 	scsi_qla_host_t *base_vha = NULL;
2774 	struct qla_hw_data *ha;
2775 	char pci_info[30];
2776 	char fw_str[30], wq_name[30];
2777 	struct scsi_host_template *sht;
2778 	int bars, mem_only = 0;
2779 	uint16_t req_length = 0, rsp_length = 0;
2780 	struct req_que *req = NULL;
2781 	struct rsp_que *rsp = NULL;
2782 	int i;
2783 
2784 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2785 	sht = &qla2xxx_driver_template;
2786 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2787 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2788 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2789 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2790 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2791 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2792 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2793 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2794 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2795 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2796 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2797 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2798 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2799 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2800 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2801 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2802 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2803 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2804 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2805 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2806 		mem_only = 1;
2807 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2808 		    "Mem only adapter.\n");
2809 	}
2810 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2811 	    "Bars=%d.\n", bars);
2812 
2813 	if (mem_only) {
2814 		if (pci_enable_device_mem(pdev))
2815 			return ret;
2816 	} else {
2817 		if (pci_enable_device(pdev))
2818 			return ret;
2819 	}
2820 
2821 	/* This may fail but that's ok */
2822 	pci_enable_pcie_error_reporting(pdev);
2823 
2824 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2825 	if (!ha) {
2826 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2827 		    "Unable to allocate memory for ha.\n");
2828 		goto disable_device;
2829 	}
2830 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2831 	    "Memory allocated for ha=%p.\n", ha);
2832 	ha->pdev = pdev;
2833 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2834 	spin_lock_init(&ha->tgt.q_full_lock);
2835 	spin_lock_init(&ha->tgt.sess_lock);
2836 	spin_lock_init(&ha->tgt.atio_lock);
2837 
2838 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2839 
2840 	/* Clear our data area */
2841 	ha->bars = bars;
2842 	ha->mem_only = mem_only;
2843 	spin_lock_init(&ha->hardware_lock);
2844 	spin_lock_init(&ha->vport_slock);
2845 	mutex_init(&ha->selflogin_lock);
2846 	mutex_init(&ha->optrom_mutex);
2847 
2848 	/* Set ISP-type information. */
2849 	qla2x00_set_isp_flags(ha);
2850 
2851 	/* Set EEH reset type to fundamental if required by hba */
2852 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2853 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2854 		pdev->needs_freset = 1;
2855 
2856 	ha->prev_topology = 0;
2857 	ha->init_cb_size = sizeof(init_cb_t);
2858 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2859 	ha->optrom_size = OPTROM_SIZE_2300;
2860 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2861 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2862 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2863 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2864 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2865 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2866 
2867 	/* Assign ISP specific operations. */
2868 	if (IS_QLA2100(ha)) {
2869 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2870 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2871 		req_length = REQUEST_ENTRY_CNT_2100;
2872 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2873 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2874 		ha->gid_list_info_size = 4;
2875 		ha->flash_conf_off = ~0;
2876 		ha->flash_data_off = ~0;
2877 		ha->nvram_conf_off = ~0;
2878 		ha->nvram_data_off = ~0;
2879 		ha->isp_ops = &qla2100_isp_ops;
2880 	} else if (IS_QLA2200(ha)) {
2881 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2882 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2883 		req_length = REQUEST_ENTRY_CNT_2200;
2884 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2885 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2886 		ha->gid_list_info_size = 4;
2887 		ha->flash_conf_off = ~0;
2888 		ha->flash_data_off = ~0;
2889 		ha->nvram_conf_off = ~0;
2890 		ha->nvram_data_off = ~0;
2891 		ha->isp_ops = &qla2100_isp_ops;
2892 	} else if (IS_QLA23XX(ha)) {
2893 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2894 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2895 		req_length = REQUEST_ENTRY_CNT_2200;
2896 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2897 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2898 		ha->gid_list_info_size = 6;
2899 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2900 			ha->optrom_size = OPTROM_SIZE_2322;
2901 		ha->flash_conf_off = ~0;
2902 		ha->flash_data_off = ~0;
2903 		ha->nvram_conf_off = ~0;
2904 		ha->nvram_data_off = ~0;
2905 		ha->isp_ops = &qla2300_isp_ops;
2906 	} else if (IS_QLA24XX_TYPE(ha)) {
2907 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2908 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2909 		req_length = REQUEST_ENTRY_CNT_24XX;
2910 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2911 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2912 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2913 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2914 		ha->gid_list_info_size = 8;
2915 		ha->optrom_size = OPTROM_SIZE_24XX;
2916 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2917 		ha->isp_ops = &qla24xx_isp_ops;
2918 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2919 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2920 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2921 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2922 	} else if (IS_QLA25XX(ha)) {
2923 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2924 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2925 		req_length = REQUEST_ENTRY_CNT_24XX;
2926 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2927 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2928 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2929 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2930 		ha->gid_list_info_size = 8;
2931 		ha->optrom_size = OPTROM_SIZE_25XX;
2932 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2933 		ha->isp_ops = &qla25xx_isp_ops;
2934 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2935 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2936 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2937 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2938 	} else if (IS_QLA81XX(ha)) {
2939 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2940 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2941 		req_length = REQUEST_ENTRY_CNT_24XX;
2942 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2943 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2944 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2945 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2946 		ha->gid_list_info_size = 8;
2947 		ha->optrom_size = OPTROM_SIZE_81XX;
2948 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2949 		ha->isp_ops = &qla81xx_isp_ops;
2950 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2951 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2952 		ha->nvram_conf_off = ~0;
2953 		ha->nvram_data_off = ~0;
2954 	} else if (IS_QLA82XX(ha)) {
2955 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2956 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2957 		req_length = REQUEST_ENTRY_CNT_82XX;
2958 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2959 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2960 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2961 		ha->gid_list_info_size = 8;
2962 		ha->optrom_size = OPTROM_SIZE_82XX;
2963 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2964 		ha->isp_ops = &qla82xx_isp_ops;
2965 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2966 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2967 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2968 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2969 	} else if (IS_QLA8044(ha)) {
2970 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2971 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2972 		req_length = REQUEST_ENTRY_CNT_82XX;
2973 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2974 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2975 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2976 		ha->gid_list_info_size = 8;
2977 		ha->optrom_size = OPTROM_SIZE_83XX;
2978 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2979 		ha->isp_ops = &qla8044_isp_ops;
2980 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2981 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2982 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2983 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2984 	} else if (IS_QLA83XX(ha)) {
2985 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2986 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2987 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2988 		req_length = REQUEST_ENTRY_CNT_83XX;
2989 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2990 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
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 = &qla83xx_isp_ops;
2997 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2998 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2999 		ha->nvram_conf_off = ~0;
3000 		ha->nvram_data_off = ~0;
3001 	}  else if (IS_QLAFX00(ha)) {
3002 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3003 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3004 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3005 		req_length = REQUEST_ENTRY_CNT_FX00;
3006 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3007 		ha->isp_ops = &qlafx00_isp_ops;
3008 		ha->port_down_retry_count = 30; /* default value */
3009 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3010 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3011 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3012 		ha->mr.fw_hbt_en = 1;
3013 		ha->mr.host_info_resend = false;
3014 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3015 	} else if (IS_QLA27XX(ha)) {
3016 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3017 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3018 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3019 		req_length = REQUEST_ENTRY_CNT_83XX;
3020 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3021 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3022 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3023 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3024 		ha->gid_list_info_size = 8;
3025 		ha->optrom_size = OPTROM_SIZE_83XX;
3026 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3027 		ha->isp_ops = &qla27xx_isp_ops;
3028 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3029 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3030 		ha->nvram_conf_off = ~0;
3031 		ha->nvram_data_off = ~0;
3032 	} else if (IS_QLA28XX(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_24XX;
3037 		rsp_length = RESPONSE_ENTRY_CNT_2300;
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_28XX;
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_28XX;
3046 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3047 		ha->nvram_conf_off = ~0;
3048 		ha->nvram_data_off = ~0;
3049 	}
3050 
3051 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3052 	    "mbx_count=%d, req_length=%d, "
3053 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3054 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3055 	    "max_fibre_devices=%d.\n",
3056 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3057 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3058 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3059 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3060 	    "isp_ops=%p, flash_conf_off=%d, "
3061 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3062 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3063 	    ha->nvram_conf_off, ha->nvram_data_off);
3064 
3065 	/* Configure PCI I/O space */
3066 	ret = ha->isp_ops->iospace_config(ha);
3067 	if (ret)
3068 		goto iospace_config_failed;
3069 
3070 	ql_log_pci(ql_log_info, pdev, 0x001d,
3071 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3072 	    pdev->device, pdev->irq, ha->iobase);
3073 	mutex_init(&ha->vport_lock);
3074 	mutex_init(&ha->mq_lock);
3075 	init_completion(&ha->mbx_cmd_comp);
3076 	complete(&ha->mbx_cmd_comp);
3077 	init_completion(&ha->mbx_intr_comp);
3078 	init_completion(&ha->dcbx_comp);
3079 	init_completion(&ha->lb_portup_comp);
3080 
3081 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3082 
3083 	qla2x00_config_dma_addressing(ha);
3084 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3085 	    "64 Bit addressing is %s.\n",
3086 	    ha->flags.enable_64bit_addressing ? "enable" :
3087 	    "disable");
3088 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3089 	if (ret) {
3090 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3091 		    "Failed to allocate memory for adapter, aborting.\n");
3092 
3093 		goto probe_hw_failed;
3094 	}
3095 
3096 	req->max_q_depth = MAX_Q_DEPTH;
3097 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3098 		req->max_q_depth = ql2xmaxqdepth;
3099 
3100 
3101 	base_vha = qla2x00_create_host(sht, ha);
3102 	if (!base_vha) {
3103 		ret = -ENOMEM;
3104 		goto probe_hw_failed;
3105 	}
3106 
3107 	pci_set_drvdata(pdev, base_vha);
3108 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3109 
3110 	host = base_vha->host;
3111 	base_vha->req = req;
3112 	if (IS_QLA2XXX_MIDTYPE(ha))
3113 		base_vha->mgmt_svr_loop_id =
3114 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3115 	else
3116 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3117 						base_vha->vp_idx;
3118 
3119 	/* Setup fcport template structure. */
3120 	ha->mr.fcport.vha = base_vha;
3121 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3122 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3123 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3124 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3125 	ha->mr.fcport.scan_state = 1;
3126 
3127 	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3128 			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3129 			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3130 
3131 	/* Set the SG table size based on ISP type */
3132 	if (!IS_FWI2_CAPABLE(ha)) {
3133 		if (IS_QLA2100(ha))
3134 			host->sg_tablesize = 32;
3135 	} else {
3136 		if (!IS_QLA82XX(ha))
3137 			host->sg_tablesize = QLA_SG_ALL;
3138 	}
3139 	host->max_id = ha->max_fibre_devices;
3140 	host->cmd_per_lun = 3;
3141 	host->unique_id = host->host_no;
3142 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3143 		host->max_cmd_len = 32;
3144 	else
3145 		host->max_cmd_len = MAX_CMDSZ;
3146 	host->max_channel = MAX_BUSES - 1;
3147 	/* Older HBAs support only 16-bit LUNs */
3148 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3149 	    ql2xmaxlun > 0xffff)
3150 		host->max_lun = 0xffff;
3151 	else
3152 		host->max_lun = ql2xmaxlun;
3153 	host->transportt = qla2xxx_transport_template;
3154 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3155 
3156 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3157 	    "max_id=%d this_id=%d "
3158 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3159 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3160 	    host->this_id, host->cmd_per_lun, host->unique_id,
3161 	    host->max_cmd_len, host->max_channel, host->max_lun,
3162 	    host->transportt, sht->vendor_id);
3163 
3164 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3165 
3166 	/* Set up the irqs */
3167 	ret = qla2x00_request_irqs(ha, rsp);
3168 	if (ret)
3169 		goto probe_failed;
3170 
3171 	/* Alloc arrays of request and response ring ptrs */
3172 	ret = qla2x00_alloc_queues(ha, req, rsp);
3173 	if (ret) {
3174 		ql_log(ql_log_fatal, base_vha, 0x003d,
3175 		    "Failed to allocate memory for queue pointers..."
3176 		    "aborting.\n");
3177 		ret = -ENODEV;
3178 		goto probe_failed;
3179 	}
3180 
3181 	if (ha->mqenable) {
3182 		/* number of hardware queues supported by blk/scsi-mq*/
3183 		host->nr_hw_queues = ha->max_qpairs;
3184 
3185 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3186 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3187 	} else {
3188 		if (ql2xnvmeenable) {
3189 			host->nr_hw_queues = ha->max_qpairs;
3190 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3191 			    "FC-NVMe support is enabled, HW queues=%d\n",
3192 			    host->nr_hw_queues);
3193 		} else {
3194 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3195 			    "blk/scsi-mq disabled.\n");
3196 		}
3197 	}
3198 
3199 	qlt_probe_one_stage1(base_vha, ha);
3200 
3201 	pci_save_state(pdev);
3202 
3203 	/* Assign back pointers */
3204 	rsp->req = req;
3205 	req->rsp = rsp;
3206 
3207 	if (IS_QLAFX00(ha)) {
3208 		ha->rsp_q_map[0] = rsp;
3209 		ha->req_q_map[0] = req;
3210 		set_bit(0, ha->req_qid_map);
3211 		set_bit(0, ha->rsp_qid_map);
3212 	}
3213 
3214 	/* FWI2-capable only. */
3215 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3216 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3217 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3218 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3219 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3220 	    IS_QLA28XX(ha)) {
3221 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3222 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3223 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3224 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3225 	}
3226 
3227 	if (IS_QLAFX00(ha)) {
3228 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3229 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3230 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3231 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3232 	}
3233 
3234 	if (IS_P3P_TYPE(ha)) {
3235 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3236 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3237 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3238 	}
3239 
3240 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3241 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3242 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3243 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3244 	    "req->req_q_in=%p req->req_q_out=%p "
3245 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3246 	    req->req_q_in, req->req_q_out,
3247 	    rsp->rsp_q_in, rsp->rsp_q_out);
3248 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3249 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3250 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3251 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3252 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3253 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3254 
3255 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3256 	if (unlikely(!ha->wq)) {
3257 		ret = -ENOMEM;
3258 		goto probe_failed;
3259 	}
3260 
3261 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3262 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3263 		    "Failed to initialize adapter - Adapter flags %x.\n",
3264 		    base_vha->device_flags);
3265 
3266 		if (IS_QLA82XX(ha)) {
3267 			qla82xx_idc_lock(ha);
3268 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3269 				QLA8XXX_DEV_FAILED);
3270 			qla82xx_idc_unlock(ha);
3271 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3272 			    "HW State: FAILED.\n");
3273 		} else if (IS_QLA8044(ha)) {
3274 			qla8044_idc_lock(ha);
3275 			qla8044_wr_direct(base_vha,
3276 				QLA8044_CRB_DEV_STATE_INDEX,
3277 				QLA8XXX_DEV_FAILED);
3278 			qla8044_idc_unlock(ha);
3279 			ql_log(ql_log_fatal, base_vha, 0x0150,
3280 			    "HW State: FAILED.\n");
3281 		}
3282 
3283 		ret = -ENODEV;
3284 		goto probe_failed;
3285 	}
3286 
3287 	if (IS_QLAFX00(ha))
3288 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3289 	else
3290 		host->can_queue = req->num_outstanding_cmds - 10;
3291 
3292 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3293 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3294 	    host->can_queue, base_vha->req,
3295 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3296 
3297 	if (ha->mqenable) {
3298 		bool startit = false;
3299 
3300 		if (QLA_TGT_MODE_ENABLED())
3301 			startit = false;
3302 
3303 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3304 			startit = true;
3305 
3306 		/* Create start of day qpairs for Block MQ */
3307 		for (i = 0; i < ha->max_qpairs; i++)
3308 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3309 	}
3310 	qla_init_iocb_limit(base_vha);
3311 
3312 	if (ha->flags.running_gold_fw)
3313 		goto skip_dpc;
3314 
3315 	/*
3316 	 * Startup the kernel thread for this host adapter
3317 	 */
3318 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3319 	    "%s_dpc", base_vha->host_str);
3320 	if (IS_ERR(ha->dpc_thread)) {
3321 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3322 		    "Failed to start DPC thread.\n");
3323 		ret = PTR_ERR(ha->dpc_thread);
3324 		ha->dpc_thread = NULL;
3325 		goto probe_failed;
3326 	}
3327 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3328 	    "DPC thread started successfully.\n");
3329 
3330 	/*
3331 	 * If we're not coming up in initiator mode, we might sit for
3332 	 * a while without waking up the dpc thread, which leads to a
3333 	 * stuck process warning.  So just kick the dpc once here and
3334 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3335 	 */
3336 	qla2xxx_wake_dpc(base_vha);
3337 
3338 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3339 
3340 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3341 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3342 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3343 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3344 
3345 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3346 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3347 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3348 		INIT_WORK(&ha->idc_state_handler,
3349 		    qla83xx_idc_state_handler_work);
3350 		INIT_WORK(&ha->nic_core_unrecoverable,
3351 		    qla83xx_nic_core_unrecoverable_work);
3352 	}
3353 
3354 skip_dpc:
3355 	list_add_tail(&base_vha->list, &ha->vp_list);
3356 	base_vha->host->irq = ha->pdev->irq;
3357 
3358 	/* Initialized the timer */
3359 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3360 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3361 	    "Started qla2x00_timer with "
3362 	    "interval=%d.\n", WATCH_INTERVAL);
3363 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3364 	    "Detected hba at address=%p.\n",
3365 	    ha);
3366 
3367 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3368 		if (ha->fw_attributes & BIT_4) {
3369 			int prot = 0, guard;
3370 
3371 			base_vha->flags.difdix_supported = 1;
3372 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3373 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3374 			if (ql2xenabledif == 1)
3375 				prot = SHOST_DIX_TYPE0_PROTECTION;
3376 			if (ql2xprotmask)
3377 				scsi_host_set_prot(host, ql2xprotmask);
3378 			else
3379 				scsi_host_set_prot(host,
3380 				    prot | SHOST_DIF_TYPE1_PROTECTION
3381 				    | SHOST_DIF_TYPE2_PROTECTION
3382 				    | SHOST_DIF_TYPE3_PROTECTION
3383 				    | SHOST_DIX_TYPE1_PROTECTION
3384 				    | SHOST_DIX_TYPE2_PROTECTION
3385 				    | SHOST_DIX_TYPE3_PROTECTION);
3386 
3387 			guard = SHOST_DIX_GUARD_CRC;
3388 
3389 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3390 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3391 				guard |= SHOST_DIX_GUARD_IP;
3392 
3393 			if (ql2xprotguard)
3394 				scsi_host_set_guard(host, ql2xprotguard);
3395 			else
3396 				scsi_host_set_guard(host, guard);
3397 		} else
3398 			base_vha->flags.difdix_supported = 0;
3399 	}
3400 
3401 	ha->isp_ops->enable_intrs(ha);
3402 
3403 	if (IS_QLAFX00(ha)) {
3404 		ret = qlafx00_fx_disc(base_vha,
3405 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3406 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3407 		    QLA_SG_ALL : 128;
3408 	}
3409 
3410 	ret = scsi_add_host(host, &pdev->dev);
3411 	if (ret)
3412 		goto probe_failed;
3413 
3414 	base_vha->flags.init_done = 1;
3415 	base_vha->flags.online = 1;
3416 	ha->prev_minidump_failed = 0;
3417 
3418 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3419 	    "Init done and hba is online.\n");
3420 
3421 	if (qla_ini_mode_enabled(base_vha) ||
3422 		qla_dual_mode_enabled(base_vha))
3423 		scsi_scan_host(host);
3424 	else
3425 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3426 			"skipping scsi_scan_host() for non-initiator port\n");
3427 
3428 	qla2x00_alloc_sysfs_attr(base_vha);
3429 
3430 	if (IS_QLAFX00(ha)) {
3431 		ret = qlafx00_fx_disc(base_vha,
3432 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3433 
3434 		/* Register system information */
3435 		ret =  qlafx00_fx_disc(base_vha,
3436 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3437 	}
3438 
3439 	qla2x00_init_host_attr(base_vha);
3440 
3441 	qla2x00_dfs_setup(base_vha);
3442 
3443 	ql_log(ql_log_info, base_vha, 0x00fb,
3444 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3445 	ql_log(ql_log_info, base_vha, 0x00fc,
3446 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3447 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3448 						       sizeof(pci_info)),
3449 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3450 	    base_vha->host_no,
3451 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3452 
3453 	qlt_add_target(ha, base_vha);
3454 
3455 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3456 
3457 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3458 		return -ENODEV;
3459 
3460 	return 0;
3461 
3462 probe_failed:
3463 	if (base_vha->gnl.l) {
3464 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3465 				base_vha->gnl.l, base_vha->gnl.ldma);
3466 		base_vha->gnl.l = NULL;
3467 	}
3468 
3469 	if (base_vha->timer_active)
3470 		qla2x00_stop_timer(base_vha);
3471 	base_vha->flags.online = 0;
3472 	if (ha->dpc_thread) {
3473 		struct task_struct *t = ha->dpc_thread;
3474 
3475 		ha->dpc_thread = NULL;
3476 		kthread_stop(t);
3477 	}
3478 
3479 	qla2x00_free_device(base_vha);
3480 	scsi_host_put(base_vha->host);
3481 	/*
3482 	 * Need to NULL out local req/rsp after
3483 	 * qla2x00_free_device => qla2x00_free_queues frees
3484 	 * what these are pointing to. Or else we'll
3485 	 * fall over below in qla2x00_free_req/rsp_que.
3486 	 */
3487 	req = NULL;
3488 	rsp = NULL;
3489 
3490 probe_hw_failed:
3491 	qla2x00_mem_free(ha);
3492 	qla2x00_free_req_que(ha, req);
3493 	qla2x00_free_rsp_que(ha, rsp);
3494 	qla2x00_clear_drv_active(ha);
3495 
3496 iospace_config_failed:
3497 	if (IS_P3P_TYPE(ha)) {
3498 		if (!ha->nx_pcibase)
3499 			iounmap((device_reg_t *)ha->nx_pcibase);
3500 		if (!ql2xdbwr)
3501 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3502 	} else {
3503 		if (ha->iobase)
3504 			iounmap(ha->iobase);
3505 		if (ha->cregbase)
3506 			iounmap(ha->cregbase);
3507 	}
3508 	pci_release_selected_regions(ha->pdev, ha->bars);
3509 	kfree(ha);
3510 
3511 disable_device:
3512 	pci_disable_device(pdev);
3513 	return ret;
3514 }
3515 
3516 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3517 {
3518 	scsi_qla_host_t *vp;
3519 	unsigned long flags;
3520 	struct qla_hw_data *ha;
3521 
3522 	if (!base_vha)
3523 		return;
3524 
3525 	ha = base_vha->hw;
3526 
3527 	spin_lock_irqsave(&ha->vport_slock, flags);
3528 	list_for_each_entry(vp, &ha->vp_list, list)
3529 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3530 
3531 	/*
3532 	 * Indicate device removal to prevent future board_disable
3533 	 * and wait until any pending board_disable has completed.
3534 	 */
3535 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3536 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3537 }
3538 
3539 static void
3540 qla2x00_shutdown(struct pci_dev *pdev)
3541 {
3542 	scsi_qla_host_t *vha;
3543 	struct qla_hw_data  *ha;
3544 
3545 	vha = pci_get_drvdata(pdev);
3546 	ha = vha->hw;
3547 
3548 	ql_log(ql_log_info, vha, 0xfffa,
3549 		"Adapter shutdown\n");
3550 
3551 	/*
3552 	 * Prevent future board_disable and wait
3553 	 * until any pending board_disable has completed.
3554 	 */
3555 	__qla_set_remove_flag(vha);
3556 	cancel_work_sync(&ha->board_disable);
3557 
3558 	if (!atomic_read(&pdev->enable_cnt))
3559 		return;
3560 
3561 	/* Notify ISPFX00 firmware */
3562 	if (IS_QLAFX00(ha))
3563 		qlafx00_driver_shutdown(vha, 20);
3564 
3565 	/* Turn-off FCE trace */
3566 	if (ha->flags.fce_enabled) {
3567 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3568 		ha->flags.fce_enabled = 0;
3569 	}
3570 
3571 	/* Turn-off EFT trace */
3572 	if (ha->eft)
3573 		qla2x00_disable_eft_trace(vha);
3574 
3575 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3576 	    IS_QLA28XX(ha)) {
3577 		if (ha->flags.fw_started)
3578 			qla2x00_abort_isp_cleanup(vha);
3579 	} else {
3580 		/* Stop currently executing firmware. */
3581 		qla2x00_try_to_stop_firmware(vha);
3582 	}
3583 
3584 	/* Disable timer */
3585 	if (vha->timer_active)
3586 		qla2x00_stop_timer(vha);
3587 
3588 	/* Turn adapter off line */
3589 	vha->flags.online = 0;
3590 
3591 	/* turn-off interrupts on the card */
3592 	if (ha->interrupts_on) {
3593 		vha->flags.init_done = 0;
3594 		ha->isp_ops->disable_intrs(ha);
3595 	}
3596 
3597 	qla2x00_free_irqs(vha);
3598 
3599 	qla2x00_free_fw_dump(ha);
3600 
3601 	pci_disable_device(pdev);
3602 	ql_log(ql_log_info, vha, 0xfffe,
3603 		"Adapter shutdown successfully.\n");
3604 }
3605 
3606 /* Deletes all the virtual ports for a given ha */
3607 static void
3608 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3609 {
3610 	scsi_qla_host_t *vha;
3611 	unsigned long flags;
3612 
3613 	mutex_lock(&ha->vport_lock);
3614 	while (ha->cur_vport_count) {
3615 		spin_lock_irqsave(&ha->vport_slock, flags);
3616 
3617 		BUG_ON(base_vha->list.next == &ha->vp_list);
3618 		/* This assumes first entry in ha->vp_list is always base vha */
3619 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3620 		scsi_host_get(vha->host);
3621 
3622 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3623 		mutex_unlock(&ha->vport_lock);
3624 
3625 		qla_nvme_delete(vha);
3626 
3627 		fc_vport_terminate(vha->fc_vport);
3628 		scsi_host_put(vha->host);
3629 
3630 		mutex_lock(&ha->vport_lock);
3631 	}
3632 	mutex_unlock(&ha->vport_lock);
3633 }
3634 
3635 /* Stops all deferred work threads */
3636 static void
3637 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3638 {
3639 	/* Cancel all work and destroy DPC workqueues */
3640 	if (ha->dpc_lp_wq) {
3641 		cancel_work_sync(&ha->idc_aen);
3642 		destroy_workqueue(ha->dpc_lp_wq);
3643 		ha->dpc_lp_wq = NULL;
3644 	}
3645 
3646 	if (ha->dpc_hp_wq) {
3647 		cancel_work_sync(&ha->nic_core_reset);
3648 		cancel_work_sync(&ha->idc_state_handler);
3649 		cancel_work_sync(&ha->nic_core_unrecoverable);
3650 		destroy_workqueue(ha->dpc_hp_wq);
3651 		ha->dpc_hp_wq = NULL;
3652 	}
3653 
3654 	/* Kill the kernel thread for this host */
3655 	if (ha->dpc_thread) {
3656 		struct task_struct *t = ha->dpc_thread;
3657 
3658 		/*
3659 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3660 		 * so we need to zero it out.
3661 		 */
3662 		ha->dpc_thread = NULL;
3663 		kthread_stop(t);
3664 	}
3665 }
3666 
3667 static void
3668 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3669 {
3670 	if (IS_QLA82XX(ha)) {
3671 
3672 		iounmap((device_reg_t *)ha->nx_pcibase);
3673 		if (!ql2xdbwr)
3674 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3675 	} else {
3676 		if (ha->iobase)
3677 			iounmap(ha->iobase);
3678 
3679 		if (ha->cregbase)
3680 			iounmap(ha->cregbase);
3681 
3682 		if (ha->mqiobase)
3683 			iounmap(ha->mqiobase);
3684 
3685 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
3686 		    ha->msixbase)
3687 			iounmap(ha->msixbase);
3688 	}
3689 }
3690 
3691 static void
3692 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3693 {
3694 	if (IS_QLA8044(ha)) {
3695 		qla8044_idc_lock(ha);
3696 		qla8044_clear_drv_active(ha);
3697 		qla8044_idc_unlock(ha);
3698 	} else if (IS_QLA82XX(ha)) {
3699 		qla82xx_idc_lock(ha);
3700 		qla82xx_clear_drv_active(ha);
3701 		qla82xx_idc_unlock(ha);
3702 	}
3703 }
3704 
3705 static void
3706 qla2x00_remove_one(struct pci_dev *pdev)
3707 {
3708 	scsi_qla_host_t *base_vha;
3709 	struct qla_hw_data  *ha;
3710 
3711 	base_vha = pci_get_drvdata(pdev);
3712 	ha = base_vha->hw;
3713 	ql_log(ql_log_info, base_vha, 0xb079,
3714 	    "Removing driver\n");
3715 	__qla_set_remove_flag(base_vha);
3716 	cancel_work_sync(&ha->board_disable);
3717 
3718 	/*
3719 	 * If the PCI device is disabled then there was a PCI-disconnect and
3720 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3721 	 * resources.
3722 	 */
3723 	if (!atomic_read(&pdev->enable_cnt)) {
3724 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3725 		    base_vha->gnl.l, base_vha->gnl.ldma);
3726 		base_vha->gnl.l = NULL;
3727 		scsi_host_put(base_vha->host);
3728 		kfree(ha);
3729 		pci_set_drvdata(pdev, NULL);
3730 		return;
3731 	}
3732 	qla2x00_wait_for_hba_ready(base_vha);
3733 
3734 	/*
3735 	 * if UNLOADING flag is already set, then continue unload,
3736 	 * where it was set first.
3737 	 */
3738 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3739 		return;
3740 
3741 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3742 	    IS_QLA28XX(ha)) {
3743 		if (ha->flags.fw_started)
3744 			qla2x00_abort_isp_cleanup(base_vha);
3745 	} else if (!IS_QLAFX00(ha)) {
3746 		if (IS_QLA8031(ha)) {
3747 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3748 			    "Clearing fcoe driver presence.\n");
3749 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3750 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3751 				    "Error while clearing DRV-Presence.\n");
3752 		}
3753 
3754 		qla2x00_try_to_stop_firmware(base_vha);
3755 	}
3756 
3757 	qla2x00_wait_for_sess_deletion(base_vha);
3758 
3759 	qla_nvme_delete(base_vha);
3760 
3761 	dma_free_coherent(&ha->pdev->dev,
3762 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3763 
3764 	base_vha->gnl.l = NULL;
3765 
3766 	vfree(base_vha->scan.l);
3767 
3768 	if (IS_QLAFX00(ha))
3769 		qlafx00_driver_shutdown(base_vha, 20);
3770 
3771 	qla2x00_delete_all_vps(ha, base_vha);
3772 
3773 	qla2x00_dfs_remove(base_vha);
3774 
3775 	qla84xx_put_chip(base_vha);
3776 
3777 	/* Disable timer */
3778 	if (base_vha->timer_active)
3779 		qla2x00_stop_timer(base_vha);
3780 
3781 	base_vha->flags.online = 0;
3782 
3783 	/* free DMA memory */
3784 	if (ha->exlogin_buf)
3785 		qla2x00_free_exlogin_buffer(ha);
3786 
3787 	/* free DMA memory */
3788 	if (ha->exchoffld_buf)
3789 		qla2x00_free_exchoffld_buffer(ha);
3790 
3791 	qla2x00_destroy_deferred_work(ha);
3792 
3793 	qlt_remove_target(ha, base_vha);
3794 
3795 	qla2x00_free_sysfs_attr(base_vha, true);
3796 
3797 	fc_remove_host(base_vha->host);
3798 	qlt_remove_target_resources(ha);
3799 
3800 	scsi_remove_host(base_vha->host);
3801 
3802 	qla2x00_free_device(base_vha);
3803 
3804 	qla2x00_clear_drv_active(ha);
3805 
3806 	scsi_host_put(base_vha->host);
3807 
3808 	qla2x00_unmap_iobases(ha);
3809 
3810 	pci_release_selected_regions(ha->pdev, ha->bars);
3811 	kfree(ha);
3812 
3813 	pci_disable_pcie_error_reporting(pdev);
3814 
3815 	pci_disable_device(pdev);
3816 }
3817 
3818 static inline void
3819 qla24xx_free_purex_list(struct purex_list *list)
3820 {
3821 	struct list_head *item, *next;
3822 	ulong flags;
3823 
3824 	spin_lock_irqsave(&list->lock, flags);
3825 	list_for_each_safe(item, next, &list->head) {
3826 		list_del(item);
3827 		kfree(list_entry(item, struct purex_item, list));
3828 	}
3829 	spin_unlock_irqrestore(&list->lock, flags);
3830 }
3831 
3832 static void
3833 qla2x00_free_device(scsi_qla_host_t *vha)
3834 {
3835 	struct qla_hw_data *ha = vha->hw;
3836 
3837 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3838 
3839 	/* Disable timer */
3840 	if (vha->timer_active)
3841 		qla2x00_stop_timer(vha);
3842 
3843 	qla25xx_delete_queues(vha);
3844 	vha->flags.online = 0;
3845 
3846 	/* turn-off interrupts on the card */
3847 	if (ha->interrupts_on) {
3848 		vha->flags.init_done = 0;
3849 		ha->isp_ops->disable_intrs(ha);
3850 	}
3851 
3852 	qla2x00_free_fcports(vha);
3853 
3854 	qla2x00_free_irqs(vha);
3855 
3856 	/* Flush the work queue and remove it */
3857 	if (ha->wq) {
3858 		flush_workqueue(ha->wq);
3859 		destroy_workqueue(ha->wq);
3860 		ha->wq = NULL;
3861 	}
3862 
3863 
3864 	qla24xx_free_purex_list(&vha->purex_list);
3865 
3866 	qla2x00_mem_free(ha);
3867 
3868 	qla82xx_md_free(vha);
3869 
3870 	qla2x00_free_queues(ha);
3871 }
3872 
3873 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3874 {
3875 	fc_port_t *fcport, *tfcport;
3876 
3877 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
3878 		qla2x00_free_fcport(fcport);
3879 }
3880 
3881 static inline void
3882 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
3883 {
3884 	int now;
3885 
3886 	if (!fcport->rport)
3887 		return;
3888 
3889 	if (fcport->rport) {
3890 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3891 		    "%s %8phN. rport %p roles %x\n",
3892 		    __func__, fcport->port_name, fcport->rport,
3893 		    fcport->rport->roles);
3894 		fc_remote_port_delete(fcport->rport);
3895 	}
3896 	qlt_do_generation_tick(vha, &now);
3897 }
3898 
3899 /*
3900  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3901  *
3902  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3903  *
3904  * Return: None.
3905  *
3906  * Context:
3907  */
3908 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3909     int do_login)
3910 {
3911 	if (IS_QLAFX00(vha->hw)) {
3912 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3913 		qla2x00_schedule_rport_del(vha, fcport);
3914 		return;
3915 	}
3916 
3917 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3918 	    vha->vp_idx == fcport->vha->vp_idx) {
3919 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3920 		qla2x00_schedule_rport_del(vha, fcport);
3921 	}
3922 	/*
3923 	 * We may need to retry the login, so don't change the state of the
3924 	 * port but do the retries.
3925 	 */
3926 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3927 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3928 
3929 	if (!do_login)
3930 		return;
3931 
3932 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3933 }
3934 
3935 void
3936 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
3937 {
3938 	fc_port_t *fcport;
3939 
3940 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3941 	    "Mark all dev lost\n");
3942 
3943 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3944 		fcport->scan_state = 0;
3945 		qlt_schedule_sess_for_deletion(fcport);
3946 	}
3947 }
3948 
3949 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
3950 {
3951 	int i;
3952 
3953 	if (IS_FWI2_CAPABLE(ha))
3954 		return;
3955 
3956 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
3957 		set_bit(i, ha->loop_id_map);
3958 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
3959 	set_bit(BROADCAST, ha->loop_id_map);
3960 }
3961 
3962 /*
3963 * qla2x00_mem_alloc
3964 *      Allocates adapter memory.
3965 *
3966 * Returns:
3967 *      0  = success.
3968 *      !0  = failure.
3969 */
3970 static int
3971 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3972 	struct req_que **req, struct rsp_que **rsp)
3973 {
3974 	char	name[16];
3975 
3976 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3977 		&ha->init_cb_dma, GFP_KERNEL);
3978 	if (!ha->init_cb)
3979 		goto fail;
3980 
3981 	if (qlt_mem_alloc(ha) < 0)
3982 		goto fail_free_init_cb;
3983 
3984 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3985 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3986 	if (!ha->gid_list)
3987 		goto fail_free_tgt_mem;
3988 
3989 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3990 	if (!ha->srb_mempool)
3991 		goto fail_free_gid_list;
3992 
3993 	if (IS_P3P_TYPE(ha)) {
3994 		/* Allocate cache for CT6 Ctx. */
3995 		if (!ctx_cachep) {
3996 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3997 				sizeof(struct ct6_dsd), 0,
3998 				SLAB_HWCACHE_ALIGN, NULL);
3999 			if (!ctx_cachep)
4000 				goto fail_free_srb_mempool;
4001 		}
4002 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4003 			ctx_cachep);
4004 		if (!ha->ctx_mempool)
4005 			goto fail_free_srb_mempool;
4006 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4007 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4008 		    ctx_cachep, ha->ctx_mempool);
4009 	}
4010 
4011 	/* Get memory for cached NVRAM */
4012 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4013 	if (!ha->nvram)
4014 		goto fail_free_ctx_mempool;
4015 
4016 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4017 		ha->pdev->device);
4018 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4019 		DMA_POOL_SIZE, 8, 0);
4020 	if (!ha->s_dma_pool)
4021 		goto fail_free_nvram;
4022 
4023 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4024 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4025 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4026 
4027 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
4028 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4029 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4030 		if (!ha->dl_dma_pool) {
4031 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4032 			    "Failed to allocate memory for dl_dma_pool.\n");
4033 			goto fail_s_dma_pool;
4034 		}
4035 
4036 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4037 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4038 		if (!ha->fcp_cmnd_dma_pool) {
4039 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4040 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4041 			goto fail_dl_dma_pool;
4042 		}
4043 
4044 		if (ql2xenabledif) {
4045 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4046 			struct dsd_dma *dsd, *nxt;
4047 			uint i;
4048 			/* Creata a DMA pool of buffers for DIF bundling */
4049 			ha->dif_bundl_pool = dma_pool_create(name,
4050 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4051 			if (!ha->dif_bundl_pool) {
4052 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4053 				    "%s: failed create dif_bundl_pool\n",
4054 				    __func__);
4055 				goto fail_dif_bundl_dma_pool;
4056 			}
4057 
4058 			INIT_LIST_HEAD(&ha->pool.good.head);
4059 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4060 			ha->pool.good.count = 0;
4061 			ha->pool.unusable.count = 0;
4062 			for (i = 0; i < 128; i++) {
4063 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4064 				if (!dsd) {
4065 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4066 					    0xe0ee, "%s: failed alloc dsd\n",
4067 					    __func__);
4068 					return 1;
4069 				}
4070 				ha->dif_bundle_kallocs++;
4071 
4072 				dsd->dsd_addr = dma_pool_alloc(
4073 				    ha->dif_bundl_pool, GFP_ATOMIC,
4074 				    &dsd->dsd_list_dma);
4075 				if (!dsd->dsd_addr) {
4076 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4077 					    0xe0ee,
4078 					    "%s: failed alloc ->dsd_addr\n",
4079 					    __func__);
4080 					kfree(dsd);
4081 					ha->dif_bundle_kallocs--;
4082 					continue;
4083 				}
4084 				ha->dif_bundle_dma_allocs++;
4085 
4086 				/*
4087 				 * if DMA buffer crosses 4G boundary,
4088 				 * put it on bad list
4089 				 */
4090 				if (MSD(dsd->dsd_list_dma) ^
4091 				    MSD(dsd->dsd_list_dma + bufsize)) {
4092 					list_add_tail(&dsd->list,
4093 					    &ha->pool.unusable.head);
4094 					ha->pool.unusable.count++;
4095 				} else {
4096 					list_add_tail(&dsd->list,
4097 					    &ha->pool.good.head);
4098 					ha->pool.good.count++;
4099 				}
4100 			}
4101 
4102 			/* return the good ones back to the pool */
4103 			list_for_each_entry_safe(dsd, nxt,
4104 			    &ha->pool.good.head, list) {
4105 				list_del(&dsd->list);
4106 				dma_pool_free(ha->dif_bundl_pool,
4107 				    dsd->dsd_addr, dsd->dsd_list_dma);
4108 				ha->dif_bundle_dma_allocs--;
4109 				kfree(dsd);
4110 				ha->dif_bundle_kallocs--;
4111 			}
4112 
4113 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4114 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4115 			    __func__, ha->pool.good.count,
4116 			    ha->pool.unusable.count);
4117 		}
4118 
4119 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4120 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4121 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4122 		    ha->dif_bundl_pool);
4123 	}
4124 
4125 	/* Allocate memory for SNS commands */
4126 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4127 	/* Get consistent memory allocated for SNS commands */
4128 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4129 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4130 		if (!ha->sns_cmd)
4131 			goto fail_dma_pool;
4132 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4133 		    "sns_cmd: %p.\n", ha->sns_cmd);
4134 	} else {
4135 	/* Get consistent memory allocated for MS IOCB */
4136 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4137 			&ha->ms_iocb_dma);
4138 		if (!ha->ms_iocb)
4139 			goto fail_dma_pool;
4140 	/* Get consistent memory allocated for CT SNS commands */
4141 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4142 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4143 		if (!ha->ct_sns)
4144 			goto fail_free_ms_iocb;
4145 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4146 		    "ms_iocb=%p ct_sns=%p.\n",
4147 		    ha->ms_iocb, ha->ct_sns);
4148 	}
4149 
4150 	/* Allocate memory for request ring */
4151 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4152 	if (!*req) {
4153 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4154 		    "Failed to allocate memory for req.\n");
4155 		goto fail_req;
4156 	}
4157 	(*req)->length = req_len;
4158 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4159 		((*req)->length + 1) * sizeof(request_t),
4160 		&(*req)->dma, GFP_KERNEL);
4161 	if (!(*req)->ring) {
4162 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4163 		    "Failed to allocate memory for req_ring.\n");
4164 		goto fail_req_ring;
4165 	}
4166 	/* Allocate memory for response ring */
4167 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4168 	if (!*rsp) {
4169 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4170 		    "Failed to allocate memory for rsp.\n");
4171 		goto fail_rsp;
4172 	}
4173 	(*rsp)->hw = ha;
4174 	(*rsp)->length = rsp_len;
4175 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4176 		((*rsp)->length + 1) * sizeof(response_t),
4177 		&(*rsp)->dma, GFP_KERNEL);
4178 	if (!(*rsp)->ring) {
4179 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4180 		    "Failed to allocate memory for rsp_ring.\n");
4181 		goto fail_rsp_ring;
4182 	}
4183 	(*req)->rsp = *rsp;
4184 	(*rsp)->req = *req;
4185 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4186 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4187 	    "rsp->length=%d rsp->ring=%p.\n",
4188 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4189 	    (*rsp)->ring);
4190 	/* Allocate memory for NVRAM data for vports */
4191 	if (ha->nvram_npiv_size) {
4192 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4193 					sizeof(struct qla_npiv_entry),
4194 					GFP_KERNEL);
4195 		if (!ha->npiv_info) {
4196 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4197 			    "Failed to allocate memory for npiv_info.\n");
4198 			goto fail_npiv_info;
4199 		}
4200 	} else
4201 		ha->npiv_info = NULL;
4202 
4203 	/* Get consistent memory allocated for EX-INIT-CB. */
4204 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4205 	    IS_QLA28XX(ha)) {
4206 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4207 		    &ha->ex_init_cb_dma);
4208 		if (!ha->ex_init_cb)
4209 			goto fail_ex_init_cb;
4210 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4211 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4212 	}
4213 
4214 	/* Get consistent memory allocated for Special Features-CB. */
4215 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4216 		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
4217 						&ha->sf_init_cb_dma);
4218 		if (!ha->sf_init_cb)
4219 			goto fail_sf_init_cb;
4220 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4221 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4222 	}
4223 
4224 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4225 
4226 	/* Get consistent memory allocated for Async Port-Database. */
4227 	if (!IS_FWI2_CAPABLE(ha)) {
4228 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4229 			&ha->async_pd_dma);
4230 		if (!ha->async_pd)
4231 			goto fail_async_pd;
4232 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4233 		    "async_pd=%p.\n", ha->async_pd);
4234 	}
4235 
4236 	INIT_LIST_HEAD(&ha->vp_list);
4237 
4238 	/* Allocate memory for our loop_id bitmap */
4239 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4240 				  sizeof(long),
4241 				  GFP_KERNEL);
4242 	if (!ha->loop_id_map)
4243 		goto fail_loop_id_map;
4244 	else {
4245 		qla2x00_set_reserved_loop_ids(ha);
4246 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4247 		    "loop_id_map=%p.\n", ha->loop_id_map);
4248 	}
4249 
4250 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4251 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4252 	if (!ha->sfp_data) {
4253 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4254 		    "Unable to allocate memory for SFP read-data.\n");
4255 		goto fail_sfp_data;
4256 	}
4257 
4258 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4259 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4260 	    GFP_KERNEL);
4261 	if (!ha->flt) {
4262 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4263 		    "Unable to allocate memory for FLT.\n");
4264 		goto fail_flt_buffer;
4265 	}
4266 
4267 	return 0;
4268 
4269 fail_flt_buffer:
4270 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4271 	    ha->sfp_data, ha->sfp_data_dma);
4272 fail_sfp_data:
4273 	kfree(ha->loop_id_map);
4274 fail_loop_id_map:
4275 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4276 fail_async_pd:
4277 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4278 fail_sf_init_cb:
4279 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4280 fail_ex_init_cb:
4281 	kfree(ha->npiv_info);
4282 fail_npiv_info:
4283 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4284 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4285 	(*rsp)->ring = NULL;
4286 	(*rsp)->dma = 0;
4287 fail_rsp_ring:
4288 	kfree(*rsp);
4289 	*rsp = NULL;
4290 fail_rsp:
4291 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4292 		sizeof(request_t), (*req)->ring, (*req)->dma);
4293 	(*req)->ring = NULL;
4294 	(*req)->dma = 0;
4295 fail_req_ring:
4296 	kfree(*req);
4297 	*req = NULL;
4298 fail_req:
4299 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4300 		ha->ct_sns, ha->ct_sns_dma);
4301 	ha->ct_sns = NULL;
4302 	ha->ct_sns_dma = 0;
4303 fail_free_ms_iocb:
4304 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4305 	ha->ms_iocb = NULL;
4306 	ha->ms_iocb_dma = 0;
4307 
4308 	if (ha->sns_cmd)
4309 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4310 		    ha->sns_cmd, ha->sns_cmd_dma);
4311 fail_dma_pool:
4312 	if (ql2xenabledif) {
4313 		struct dsd_dma *dsd, *nxt;
4314 
4315 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4316 		    list) {
4317 			list_del(&dsd->list);
4318 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4319 			    dsd->dsd_list_dma);
4320 			ha->dif_bundle_dma_allocs--;
4321 			kfree(dsd);
4322 			ha->dif_bundle_kallocs--;
4323 			ha->pool.unusable.count--;
4324 		}
4325 		dma_pool_destroy(ha->dif_bundl_pool);
4326 		ha->dif_bundl_pool = NULL;
4327 	}
4328 
4329 fail_dif_bundl_dma_pool:
4330 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4331 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4332 		ha->fcp_cmnd_dma_pool = NULL;
4333 	}
4334 fail_dl_dma_pool:
4335 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4336 		dma_pool_destroy(ha->dl_dma_pool);
4337 		ha->dl_dma_pool = NULL;
4338 	}
4339 fail_s_dma_pool:
4340 	dma_pool_destroy(ha->s_dma_pool);
4341 	ha->s_dma_pool = NULL;
4342 fail_free_nvram:
4343 	kfree(ha->nvram);
4344 	ha->nvram = NULL;
4345 fail_free_ctx_mempool:
4346 	mempool_destroy(ha->ctx_mempool);
4347 	ha->ctx_mempool = NULL;
4348 fail_free_srb_mempool:
4349 	mempool_destroy(ha->srb_mempool);
4350 	ha->srb_mempool = NULL;
4351 fail_free_gid_list:
4352 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4353 	ha->gid_list,
4354 	ha->gid_list_dma);
4355 	ha->gid_list = NULL;
4356 	ha->gid_list_dma = 0;
4357 fail_free_tgt_mem:
4358 	qlt_mem_free(ha);
4359 fail_free_init_cb:
4360 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4361 	ha->init_cb_dma);
4362 	ha->init_cb = NULL;
4363 	ha->init_cb_dma = 0;
4364 fail:
4365 	ql_log(ql_log_fatal, NULL, 0x0030,
4366 	    "Memory allocation failure.\n");
4367 	return -ENOMEM;
4368 }
4369 
4370 int
4371 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4372 {
4373 	int rval;
4374 	uint16_t	size, max_cnt;
4375 	uint32_t temp;
4376 	struct qla_hw_data *ha = vha->hw;
4377 
4378 	/* Return if we don't need to alloacate any extended logins */
4379 	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4380 		return QLA_SUCCESS;
4381 
4382 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4383 		return QLA_SUCCESS;
4384 
4385 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4386 	max_cnt = 0;
4387 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4388 	if (rval != QLA_SUCCESS) {
4389 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4390 		    "Failed to get exlogin status.\n");
4391 		return rval;
4392 	}
4393 
4394 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4395 	temp *= size;
4396 
4397 	if (temp != ha->exlogin_size) {
4398 		qla2x00_free_exlogin_buffer(ha);
4399 		ha->exlogin_size = temp;
4400 
4401 		ql_log(ql_log_info, vha, 0xd024,
4402 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4403 		    max_cnt, size, temp);
4404 
4405 		ql_log(ql_log_info, vha, 0xd025,
4406 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4407 
4408 		/* Get consistent memory for extended logins */
4409 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4410 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4411 		if (!ha->exlogin_buf) {
4412 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4413 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4414 			return -ENOMEM;
4415 		}
4416 	}
4417 
4418 	/* Now configure the dma buffer */
4419 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4420 	if (rval) {
4421 		ql_log(ql_log_fatal, vha, 0xd033,
4422 		    "Setup extended login buffer  ****FAILED****.\n");
4423 		qla2x00_free_exlogin_buffer(ha);
4424 	}
4425 
4426 	return rval;
4427 }
4428 
4429 /*
4430 * qla2x00_free_exlogin_buffer
4431 *
4432 * Input:
4433 *	ha = adapter block pointer
4434 */
4435 void
4436 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4437 {
4438 	if (ha->exlogin_buf) {
4439 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4440 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4441 		ha->exlogin_buf = NULL;
4442 		ha->exlogin_size = 0;
4443 	}
4444 }
4445 
4446 static void
4447 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4448 {
4449 	u32 temp;
4450 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4451 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4452 
4453 	if (max_cnt > vha->hw->max_exchg)
4454 		max_cnt = vha->hw->max_exchg;
4455 
4456 	if (qla_ini_mode_enabled(vha)) {
4457 		if (vha->ql2xiniexchg > max_cnt)
4458 			vha->ql2xiniexchg = max_cnt;
4459 
4460 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4461 			*ret_cnt = vha->ql2xiniexchg;
4462 
4463 	} else if (qla_tgt_mode_enabled(vha)) {
4464 		if (vha->ql2xexchoffld > max_cnt) {
4465 			vha->ql2xexchoffld = max_cnt;
4466 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4467 		}
4468 
4469 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4470 			*ret_cnt = vha->ql2xexchoffld;
4471 	} else if (qla_dual_mode_enabled(vha)) {
4472 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4473 		if (temp > max_cnt) {
4474 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4475 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4476 			temp = max_cnt;
4477 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4478 		}
4479 
4480 		if (temp > FW_DEF_EXCHANGES_CNT)
4481 			*ret_cnt = temp;
4482 	}
4483 }
4484 
4485 int
4486 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4487 {
4488 	int rval;
4489 	u16	size, max_cnt;
4490 	u32 actual_cnt, totsz;
4491 	struct qla_hw_data *ha = vha->hw;
4492 
4493 	if (!ha->flags.exchoffld_enabled)
4494 		return QLA_SUCCESS;
4495 
4496 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4497 		return QLA_SUCCESS;
4498 
4499 	max_cnt = 0;
4500 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4501 	if (rval != QLA_SUCCESS) {
4502 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4503 		    "Failed to get exlogin status.\n");
4504 		return rval;
4505 	}
4506 
4507 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4508 	ql_log(ql_log_info, vha, 0xd014,
4509 	    "Actual exchange offload count: %d.\n", actual_cnt);
4510 
4511 	totsz = actual_cnt * size;
4512 
4513 	if (totsz != ha->exchoffld_size) {
4514 		qla2x00_free_exchoffld_buffer(ha);
4515 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4516 			ha->exchoffld_size = 0;
4517 			ha->flags.exchoffld_enabled = 0;
4518 			return QLA_SUCCESS;
4519 		}
4520 
4521 		ha->exchoffld_size = totsz;
4522 
4523 		ql_log(ql_log_info, vha, 0xd016,
4524 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4525 		    max_cnt, actual_cnt, size, totsz);
4526 
4527 		ql_log(ql_log_info, vha, 0xd017,
4528 		    "Exchange Buffers requested size = 0x%x\n",
4529 		    ha->exchoffld_size);
4530 
4531 		/* Get consistent memory for extended logins */
4532 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4533 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4534 		if (!ha->exchoffld_buf) {
4535 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4536 			"Failed to allocate memory for Exchange Offload.\n");
4537 
4538 			if (ha->max_exchg >
4539 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4540 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4541 			} else if (ha->max_exchg >
4542 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4543 				ha->max_exchg -= 512;
4544 			} else {
4545 				ha->flags.exchoffld_enabled = 0;
4546 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4547 				    "Disabling Exchange offload due to lack of memory\n");
4548 			}
4549 			ha->exchoffld_size = 0;
4550 
4551 			return -ENOMEM;
4552 		}
4553 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4554 		/* pathological case */
4555 		qla2x00_free_exchoffld_buffer(ha);
4556 		ha->exchoffld_size = 0;
4557 		ha->flags.exchoffld_enabled = 0;
4558 		ql_log(ql_log_info, vha, 0xd016,
4559 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4560 		    ha->exchoffld_size, actual_cnt, size, totsz);
4561 		return 0;
4562 	}
4563 
4564 	/* Now configure the dma buffer */
4565 	rval = qla_set_exchoffld_mem_cfg(vha);
4566 	if (rval) {
4567 		ql_log(ql_log_fatal, vha, 0xd02e,
4568 		    "Setup exchange offload buffer ****FAILED****.\n");
4569 		qla2x00_free_exchoffld_buffer(ha);
4570 	} else {
4571 		/* re-adjust number of target exchange */
4572 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4573 
4574 		if (qla_ini_mode_enabled(vha))
4575 			icb->exchange_count = 0;
4576 		else
4577 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4578 	}
4579 
4580 	return rval;
4581 }
4582 
4583 /*
4584 * qla2x00_free_exchoffld_buffer
4585 *
4586 * Input:
4587 *	ha = adapter block pointer
4588 */
4589 void
4590 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4591 {
4592 	if (ha->exchoffld_buf) {
4593 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4594 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4595 		ha->exchoffld_buf = NULL;
4596 		ha->exchoffld_size = 0;
4597 	}
4598 }
4599 
4600 /*
4601 * qla2x00_free_fw_dump
4602 *	Frees fw dump stuff.
4603 *
4604 * Input:
4605 *	ha = adapter block pointer
4606 */
4607 static void
4608 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4609 {
4610 	struct fwdt *fwdt = ha->fwdt;
4611 	uint j;
4612 
4613 	if (ha->fce)
4614 		dma_free_coherent(&ha->pdev->dev,
4615 		    FCE_SIZE, ha->fce, ha->fce_dma);
4616 
4617 	if (ha->eft)
4618 		dma_free_coherent(&ha->pdev->dev,
4619 		    EFT_SIZE, ha->eft, ha->eft_dma);
4620 
4621 	vfree(ha->fw_dump);
4622 
4623 	ha->fce = NULL;
4624 	ha->fce_dma = 0;
4625 	ha->flags.fce_enabled = 0;
4626 	ha->eft = NULL;
4627 	ha->eft_dma = 0;
4628 	ha->fw_dumped = false;
4629 	ha->fw_dump_cap_flags = 0;
4630 	ha->fw_dump_reading = 0;
4631 	ha->fw_dump = NULL;
4632 	ha->fw_dump_len = 0;
4633 
4634 	for (j = 0; j < 2; j++, fwdt++) {
4635 		vfree(fwdt->template);
4636 		fwdt->template = NULL;
4637 		fwdt->length = 0;
4638 	}
4639 }
4640 
4641 /*
4642 * qla2x00_mem_free
4643 *      Frees all adapter allocated memory.
4644 *
4645 * Input:
4646 *      ha = adapter block pointer.
4647 */
4648 static void
4649 qla2x00_mem_free(struct qla_hw_data *ha)
4650 {
4651 	qla2x00_free_fw_dump(ha);
4652 
4653 	if (ha->mctp_dump)
4654 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4655 		    ha->mctp_dump_dma);
4656 	ha->mctp_dump = NULL;
4657 
4658 	mempool_destroy(ha->srb_mempool);
4659 	ha->srb_mempool = NULL;
4660 
4661 	if (ha->dcbx_tlv)
4662 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4663 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4664 	ha->dcbx_tlv = NULL;
4665 
4666 	if (ha->xgmac_data)
4667 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4668 		    ha->xgmac_data, ha->xgmac_data_dma);
4669 	ha->xgmac_data = NULL;
4670 
4671 	if (ha->sns_cmd)
4672 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4673 		ha->sns_cmd, ha->sns_cmd_dma);
4674 	ha->sns_cmd = NULL;
4675 	ha->sns_cmd_dma = 0;
4676 
4677 	if (ha->ct_sns)
4678 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4679 		ha->ct_sns, ha->ct_sns_dma);
4680 	ha->ct_sns = NULL;
4681 	ha->ct_sns_dma = 0;
4682 
4683 	if (ha->sfp_data)
4684 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4685 		    ha->sfp_data_dma);
4686 	ha->sfp_data = NULL;
4687 
4688 	if (ha->flt)
4689 		dma_free_coherent(&ha->pdev->dev,
4690 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4691 		    ha->flt, ha->flt_dma);
4692 	ha->flt = NULL;
4693 	ha->flt_dma = 0;
4694 
4695 	if (ha->ms_iocb)
4696 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4697 	ha->ms_iocb = NULL;
4698 	ha->ms_iocb_dma = 0;
4699 
4700 	if (ha->sf_init_cb)
4701 		dma_pool_free(ha->s_dma_pool,
4702 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4703 
4704 	if (ha->ex_init_cb)
4705 		dma_pool_free(ha->s_dma_pool,
4706 			ha->ex_init_cb, ha->ex_init_cb_dma);
4707 	ha->ex_init_cb = NULL;
4708 	ha->ex_init_cb_dma = 0;
4709 
4710 	if (ha->async_pd)
4711 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4712 	ha->async_pd = NULL;
4713 	ha->async_pd_dma = 0;
4714 
4715 	dma_pool_destroy(ha->s_dma_pool);
4716 	ha->s_dma_pool = NULL;
4717 
4718 	if (ha->gid_list)
4719 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4720 		ha->gid_list, ha->gid_list_dma);
4721 	ha->gid_list = NULL;
4722 	ha->gid_list_dma = 0;
4723 
4724 	if (IS_QLA82XX(ha)) {
4725 		if (!list_empty(&ha->gbl_dsd_list)) {
4726 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4727 
4728 			/* clean up allocated prev pool */
4729 			list_for_each_entry_safe(dsd_ptr,
4730 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4731 				dma_pool_free(ha->dl_dma_pool,
4732 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4733 				list_del(&dsd_ptr->list);
4734 				kfree(dsd_ptr);
4735 			}
4736 		}
4737 	}
4738 
4739 	dma_pool_destroy(ha->dl_dma_pool);
4740 	ha->dl_dma_pool = NULL;
4741 
4742 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4743 	ha->fcp_cmnd_dma_pool = NULL;
4744 
4745 	mempool_destroy(ha->ctx_mempool);
4746 	ha->ctx_mempool = NULL;
4747 
4748 	if (ql2xenabledif && ha->dif_bundl_pool) {
4749 		struct dsd_dma *dsd, *nxt;
4750 
4751 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4752 					 list) {
4753 			list_del(&dsd->list);
4754 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4755 				      dsd->dsd_list_dma);
4756 			ha->dif_bundle_dma_allocs--;
4757 			kfree(dsd);
4758 			ha->dif_bundle_kallocs--;
4759 			ha->pool.unusable.count--;
4760 		}
4761 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4762 			list_del(&dsd->list);
4763 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4764 				      dsd->dsd_list_dma);
4765 			ha->dif_bundle_dma_allocs--;
4766 			kfree(dsd);
4767 			ha->dif_bundle_kallocs--;
4768 		}
4769 	}
4770 
4771 	dma_pool_destroy(ha->dif_bundl_pool);
4772 	ha->dif_bundl_pool = NULL;
4773 
4774 	qlt_mem_free(ha);
4775 
4776 	if (ha->init_cb)
4777 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4778 			ha->init_cb, ha->init_cb_dma);
4779 	ha->init_cb = NULL;
4780 	ha->init_cb_dma = 0;
4781 
4782 	vfree(ha->optrom_buffer);
4783 	ha->optrom_buffer = NULL;
4784 	kfree(ha->nvram);
4785 	ha->nvram = NULL;
4786 	kfree(ha->npiv_info);
4787 	ha->npiv_info = NULL;
4788 	kfree(ha->swl);
4789 	ha->swl = NULL;
4790 	kfree(ha->loop_id_map);
4791 	ha->sf_init_cb = NULL;
4792 	ha->sf_init_cb_dma = 0;
4793 	ha->loop_id_map = NULL;
4794 }
4795 
4796 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4797 						struct qla_hw_data *ha)
4798 {
4799 	struct Scsi_Host *host;
4800 	struct scsi_qla_host *vha = NULL;
4801 
4802 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4803 	if (!host) {
4804 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4805 		    "Failed to allocate host from the scsi layer, aborting.\n");
4806 		return NULL;
4807 	}
4808 
4809 	/* Clear our data area */
4810 	vha = shost_priv(host);
4811 	memset(vha, 0, sizeof(scsi_qla_host_t));
4812 
4813 	vha->host = host;
4814 	vha->host_no = host->host_no;
4815 	vha->hw = ha;
4816 
4817 	vha->qlini_mode = ql2x_ini_mode;
4818 	vha->ql2xexchoffld = ql2xexchoffld;
4819 	vha->ql2xiniexchg = ql2xiniexchg;
4820 
4821 	INIT_LIST_HEAD(&vha->vp_fcports);
4822 	INIT_LIST_HEAD(&vha->work_list);
4823 	INIT_LIST_HEAD(&vha->list);
4824 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4825 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4826 	INIT_LIST_HEAD(&vha->logo_list);
4827 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4828 	INIT_LIST_HEAD(&vha->qp_list);
4829 	INIT_LIST_HEAD(&vha->gnl.fcports);
4830 	INIT_LIST_HEAD(&vha->gpnid_list);
4831 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4832 
4833 	INIT_LIST_HEAD(&vha->purex_list.head);
4834 	spin_lock_init(&vha->purex_list.lock);
4835 
4836 	spin_lock_init(&vha->work_lock);
4837 	spin_lock_init(&vha->cmd_list_lock);
4838 	init_waitqueue_head(&vha->fcport_waitQ);
4839 	init_waitqueue_head(&vha->vref_waitq);
4840 
4841 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4842 			(ha->max_loop_id + 1);
4843 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4844 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4845 	if (!vha->gnl.l) {
4846 		ql_log(ql_log_fatal, vha, 0xd04a,
4847 		    "Alloc failed for name list.\n");
4848 		scsi_host_put(vha->host);
4849 		return NULL;
4850 	}
4851 
4852 	/* todo: what about ext login? */
4853 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4854 	vha->scan.l = vmalloc(vha->scan.size);
4855 	if (!vha->scan.l) {
4856 		ql_log(ql_log_fatal, vha, 0xd04a,
4857 		    "Alloc failed for scan database.\n");
4858 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4859 		    vha->gnl.l, vha->gnl.ldma);
4860 		vha->gnl.l = NULL;
4861 		scsi_host_put(vha->host);
4862 		return NULL;
4863 	}
4864 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4865 
4866 	sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
4867 	ql_dbg(ql_dbg_init, vha, 0x0041,
4868 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4869 	    vha->host, vha->hw, vha,
4870 	    dev_name(&(ha->pdev->dev)));
4871 
4872 	return vha;
4873 }
4874 
4875 struct qla_work_evt *
4876 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4877 {
4878 	struct qla_work_evt *e;
4879 	uint8_t bail;
4880 
4881 	if (test_bit(UNLOADING, &vha->dpc_flags))
4882 		return NULL;
4883 
4884 	QLA_VHA_MARK_BUSY(vha, bail);
4885 	if (bail)
4886 		return NULL;
4887 
4888 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4889 	if (!e) {
4890 		QLA_VHA_MARK_NOT_BUSY(vha);
4891 		return NULL;
4892 	}
4893 
4894 	INIT_LIST_HEAD(&e->list);
4895 	e->type = type;
4896 	e->flags = QLA_EVT_FLAG_FREE;
4897 	return e;
4898 }
4899 
4900 int
4901 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4902 {
4903 	unsigned long flags;
4904 	bool q = false;
4905 
4906 	spin_lock_irqsave(&vha->work_lock, flags);
4907 	list_add_tail(&e->list, &vha->work_list);
4908 
4909 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4910 		q = true;
4911 
4912 	spin_unlock_irqrestore(&vha->work_lock, flags);
4913 
4914 	if (q)
4915 		queue_work(vha->hw->wq, &vha->iocb_work);
4916 
4917 	return QLA_SUCCESS;
4918 }
4919 
4920 int
4921 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4922     u32 data)
4923 {
4924 	struct qla_work_evt *e;
4925 
4926 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4927 	if (!e)
4928 		return QLA_FUNCTION_FAILED;
4929 
4930 	e->u.aen.code = code;
4931 	e->u.aen.data = data;
4932 	return qla2x00_post_work(vha, e);
4933 }
4934 
4935 int
4936 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4937 {
4938 	struct qla_work_evt *e;
4939 
4940 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4941 	if (!e)
4942 		return QLA_FUNCTION_FAILED;
4943 
4944 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4945 	return qla2x00_post_work(vha, e);
4946 }
4947 
4948 #define qla2x00_post_async_work(name, type)	\
4949 int qla2x00_post_async_##name##_work(		\
4950     struct scsi_qla_host *vha,			\
4951     fc_port_t *fcport, uint16_t *data)		\
4952 {						\
4953 	struct qla_work_evt *e;			\
4954 						\
4955 	e = qla2x00_alloc_work(vha, type);	\
4956 	if (!e)					\
4957 		return QLA_FUNCTION_FAILED;	\
4958 						\
4959 	e->u.logio.fcport = fcport;		\
4960 	if (data) {				\
4961 		e->u.logio.data[0] = data[0];	\
4962 		e->u.logio.data[1] = data[1];	\
4963 	}					\
4964 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4965 	return qla2x00_post_work(vha, e);	\
4966 }
4967 
4968 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4969 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4970 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4971 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4972 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4973 
4974 int
4975 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4976 {
4977 	struct qla_work_evt *e;
4978 
4979 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4980 	if (!e)
4981 		return QLA_FUNCTION_FAILED;
4982 
4983 	e->u.uevent.code = code;
4984 	return qla2x00_post_work(vha, e);
4985 }
4986 
4987 static void
4988 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4989 {
4990 	char event_string[40];
4991 	char *envp[] = { event_string, NULL };
4992 
4993 	switch (code) {
4994 	case QLA_UEVENT_CODE_FW_DUMP:
4995 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
4996 		    vha->host_no);
4997 		break;
4998 	default:
4999 		/* do nothing */
5000 		break;
5001 	}
5002 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5003 }
5004 
5005 int
5006 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5007 			uint32_t *data, int cnt)
5008 {
5009 	struct qla_work_evt *e;
5010 
5011 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5012 	if (!e)
5013 		return QLA_FUNCTION_FAILED;
5014 
5015 	e->u.aenfx.evtcode = evtcode;
5016 	e->u.aenfx.count = cnt;
5017 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5018 	return qla2x00_post_work(vha, e);
5019 }
5020 
5021 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5022 {
5023 	unsigned long flags;
5024 
5025 	if (IS_SW_RESV_ADDR(fcport->d_id))
5026 		return;
5027 
5028 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5029 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5030 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5031 		return;
5032 	}
5033 	fcport->jiffies_at_registration = jiffies;
5034 	fcport->sec_since_registration = 0;
5035 	fcport->next_disc_state = DSC_DELETED;
5036 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5037 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5038 
5039 	queue_work(system_unbound_wq, &fcport->reg_work);
5040 }
5041 
5042 static
5043 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5044 {
5045 	unsigned long flags;
5046 	fc_port_t *fcport =  NULL, *tfcp;
5047 	struct qlt_plogi_ack_t *pla =
5048 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5049 	uint8_t free_fcport = 0;
5050 
5051 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5052 	    "%s %d %8phC enter\n",
5053 	    __func__, __LINE__, e->u.new_sess.port_name);
5054 
5055 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5056 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5057 	if (fcport) {
5058 		fcport->d_id = e->u.new_sess.id;
5059 		if (pla) {
5060 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5061 			memcpy(fcport->node_name,
5062 			    pla->iocb.u.isp24.u.plogi.node_name,
5063 			    WWN_SIZE);
5064 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5065 			/* we took an extra ref_count to prevent PLOGI ACK when
5066 			 * fcport/sess has not been created.
5067 			 */
5068 			pla->ref_count--;
5069 		}
5070 	} else {
5071 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5072 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5073 		if (fcport) {
5074 			fcport->d_id = e->u.new_sess.id;
5075 			fcport->flags |= FCF_FABRIC_DEVICE;
5076 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5077 			fcport->tgt_short_link_down_cnt = 0;
5078 
5079 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5080 			    WWN_SIZE);
5081 
5082 			fcport->fc4_type = e->u.new_sess.fc4_type;
5083 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5084 				fcport->dm_login_expire = jiffies +
5085 					QLA_N2N_WAIT_TIME * HZ;
5086 				fcport->fc4_type = FS_FC4TYPE_FCP;
5087 				fcport->n2n_flag = 1;
5088 				if (vha->flags.nvme_enabled)
5089 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5090 			}
5091 
5092 		} else {
5093 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5094 				   "%s %8phC mem alloc fail.\n",
5095 				   __func__, e->u.new_sess.port_name);
5096 
5097 			if (pla) {
5098 				list_del(&pla->list);
5099 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5100 			}
5101 			return;
5102 		}
5103 
5104 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5105 		/* search again to make sure no one else got ahead */
5106 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5107 		    e->u.new_sess.port_name, 1);
5108 		if (tfcp) {
5109 			/* should rarily happen */
5110 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5111 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5112 			    __func__, tfcp->port_name, tfcp->disc_state,
5113 			    tfcp->fw_login_state);
5114 
5115 			free_fcport = 1;
5116 		} else {
5117 			list_add_tail(&fcport->list, &vha->vp_fcports);
5118 
5119 		}
5120 		if (pla) {
5121 			qlt_plogi_ack_link(vha, pla, fcport,
5122 			    QLT_PLOGI_LINK_SAME_WWN);
5123 			pla->ref_count--;
5124 		}
5125 	}
5126 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5127 
5128 	if (fcport) {
5129 		fcport->id_changed = 1;
5130 		fcport->scan_state = QLA_FCPORT_FOUND;
5131 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5132 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5133 
5134 		if (pla) {
5135 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5136 				u16 wd3_lo;
5137 
5138 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5139 				fcport->local = 0;
5140 				fcport->loop_id =
5141 					le16_to_cpu(
5142 					    pla->iocb.u.isp24.nport_handle);
5143 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5144 				wd3_lo =
5145 				    le16_to_cpu(
5146 					pla->iocb.u.isp24.u.prli.wd3_lo);
5147 
5148 				if (wd3_lo & BIT_7)
5149 					fcport->conf_compl_supported = 1;
5150 
5151 				if ((wd3_lo & BIT_4) == 0)
5152 					fcport->port_type = FCT_INITIATOR;
5153 				else
5154 					fcport->port_type = FCT_TARGET;
5155 			}
5156 			qlt_plogi_ack_unref(vha, pla);
5157 		} else {
5158 			fc_port_t *dfcp = NULL;
5159 
5160 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5161 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5162 			    &e->u.new_sess.id, 1);
5163 			if (tfcp && (tfcp != fcport)) {
5164 				/*
5165 				 * We have a conflict fcport with same NportID.
5166 				 */
5167 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5168 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5169 				    __func__, tfcp->port_name, tfcp->disc_state,
5170 				    tfcp->fw_login_state);
5171 
5172 				switch (tfcp->disc_state) {
5173 				case DSC_DELETED:
5174 					break;
5175 				case DSC_DELETE_PEND:
5176 					fcport->login_pause = 1;
5177 					tfcp->conflict = fcport;
5178 					break;
5179 				default:
5180 					fcport->login_pause = 1;
5181 					tfcp->conflict = fcport;
5182 					dfcp = tfcp;
5183 					break;
5184 				}
5185 			}
5186 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5187 			if (dfcp)
5188 				qlt_schedule_sess_for_deletion(tfcp);
5189 
5190 			if (N2N_TOPO(vha->hw)) {
5191 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5192 				fcport->keep_nport_handle = 1;
5193 				if (vha->flags.nvme_enabled) {
5194 					fcport->fc4_type =
5195 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5196 					fcport->n2n_flag = 1;
5197 				}
5198 				fcport->fw_login_state = 0;
5199 
5200 				schedule_delayed_work(&vha->scan.scan_work, 5);
5201 			} else {
5202 				qla24xx_fcport_handle_login(vha, fcport);
5203 			}
5204 		}
5205 	}
5206 
5207 	if (free_fcport) {
5208 		qla2x00_free_fcport(fcport);
5209 		if (pla) {
5210 			list_del(&pla->list);
5211 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5212 		}
5213 	}
5214 }
5215 
5216 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5217 {
5218 	struct srb *sp = e->u.iosb.sp;
5219 	int rval;
5220 
5221 	rval = qla2x00_start_sp(sp);
5222 	if (rval != QLA_SUCCESS) {
5223 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5224 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5225 		    __func__, sp->name, rval);
5226 		qla24xx_sp_unmap(vha, sp);
5227 	}
5228 }
5229 
5230 void
5231 qla2x00_do_work(struct scsi_qla_host *vha)
5232 {
5233 	struct qla_work_evt *e, *tmp;
5234 	unsigned long flags;
5235 	LIST_HEAD(work);
5236 	int rc;
5237 
5238 	spin_lock_irqsave(&vha->work_lock, flags);
5239 	list_splice_init(&vha->work_list, &work);
5240 	spin_unlock_irqrestore(&vha->work_lock, flags);
5241 
5242 	list_for_each_entry_safe(e, tmp, &work, list) {
5243 		rc = QLA_SUCCESS;
5244 		switch (e->type) {
5245 		case QLA_EVT_AEN:
5246 			fc_host_post_event(vha->host, fc_get_event_number(),
5247 			    e->u.aen.code, e->u.aen.data);
5248 			break;
5249 		case QLA_EVT_IDC_ACK:
5250 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5251 			break;
5252 		case QLA_EVT_ASYNC_LOGIN:
5253 			qla2x00_async_login(vha, e->u.logio.fcport,
5254 			    e->u.logio.data);
5255 			break;
5256 		case QLA_EVT_ASYNC_LOGOUT:
5257 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5258 			break;
5259 		case QLA_EVT_ASYNC_ADISC:
5260 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5261 			    e->u.logio.data);
5262 			break;
5263 		case QLA_EVT_UEVENT:
5264 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5265 			break;
5266 		case QLA_EVT_AENFX:
5267 			qlafx00_process_aen(vha, e);
5268 			break;
5269 		case QLA_EVT_GPNID:
5270 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5271 			break;
5272 		case QLA_EVT_UNMAP:
5273 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5274 			break;
5275 		case QLA_EVT_RELOGIN:
5276 			qla2x00_relogin(vha);
5277 			break;
5278 		case QLA_EVT_NEW_SESS:
5279 			qla24xx_create_new_sess(vha, e);
5280 			break;
5281 		case QLA_EVT_GPDB:
5282 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5283 			    e->u.fcport.opt);
5284 			break;
5285 		case QLA_EVT_PRLI:
5286 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5287 			break;
5288 		case QLA_EVT_GPSC:
5289 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5290 			break;
5291 		case QLA_EVT_GNL:
5292 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5293 			break;
5294 		case QLA_EVT_NACK:
5295 			qla24xx_do_nack_work(vha, e);
5296 			break;
5297 		case QLA_EVT_ASYNC_PRLO:
5298 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5299 			break;
5300 		case QLA_EVT_ASYNC_PRLO_DONE:
5301 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5302 			    e->u.logio.data);
5303 			break;
5304 		case QLA_EVT_GPNFT:
5305 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5306 			    e->u.gpnft.sp);
5307 			break;
5308 		case QLA_EVT_GPNFT_DONE:
5309 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5310 			break;
5311 		case QLA_EVT_GNNFT_DONE:
5312 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5313 			break;
5314 		case QLA_EVT_GNNID:
5315 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5316 			break;
5317 		case QLA_EVT_GFPNID:
5318 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5319 			break;
5320 		case QLA_EVT_SP_RETRY:
5321 			qla_sp_retry(vha, e);
5322 			break;
5323 		case QLA_EVT_IIDMA:
5324 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5325 			break;
5326 		case QLA_EVT_ELS_PLOGI:
5327 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5328 			    e->u.fcport.fcport, false);
5329 			break;
5330 		}
5331 
5332 		if (rc == EAGAIN) {
5333 			/* put 'work' at head of 'vha->work_list' */
5334 			spin_lock_irqsave(&vha->work_lock, flags);
5335 			list_splice(&work, &vha->work_list);
5336 			spin_unlock_irqrestore(&vha->work_lock, flags);
5337 			break;
5338 		}
5339 		list_del_init(&e->list);
5340 		if (e->flags & QLA_EVT_FLAG_FREE)
5341 			kfree(e);
5342 
5343 		/* For each work completed decrement vha ref count */
5344 		QLA_VHA_MARK_NOT_BUSY(vha);
5345 	}
5346 }
5347 
5348 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5349 {
5350 	struct qla_work_evt *e;
5351 
5352 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5353 
5354 	if (!e) {
5355 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5356 		return QLA_FUNCTION_FAILED;
5357 	}
5358 
5359 	return qla2x00_post_work(vha, e);
5360 }
5361 
5362 /* Relogins all the fcports of a vport
5363  * Context: dpc thread
5364  */
5365 void qla2x00_relogin(struct scsi_qla_host *vha)
5366 {
5367 	fc_port_t       *fcport;
5368 	int status, relogin_needed = 0;
5369 	struct event_arg ea;
5370 
5371 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5372 		/*
5373 		 * If the port is not ONLINE then try to login
5374 		 * to it if we haven't run out of retries.
5375 		 */
5376 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5377 		    fcport->login_retry) {
5378 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5379 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5380 				continue;
5381 
5382 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5383 				fcport->disc_state == DSC_DELETE_PEND) {
5384 				relogin_needed = 1;
5385 			} else {
5386 				if (vha->hw->current_topology != ISP_CFG_NL) {
5387 					memset(&ea, 0, sizeof(ea));
5388 					ea.fcport = fcport;
5389 					qla24xx_handle_relogin_event(vha, &ea);
5390 				} else if (vha->hw->current_topology ==
5391 				    ISP_CFG_NL) {
5392 					fcport->login_retry--;
5393 					status =
5394 					    qla2x00_local_device_login(vha,
5395 						fcport);
5396 					if (status == QLA_SUCCESS) {
5397 						fcport->old_loop_id =
5398 						    fcport->loop_id;
5399 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5400 						    "Port login OK: logged in ID 0x%x.\n",
5401 						    fcport->loop_id);
5402 						qla2x00_update_fcport
5403 							(vha, fcport);
5404 					} else if (status == 1) {
5405 						set_bit(RELOGIN_NEEDED,
5406 						    &vha->dpc_flags);
5407 						/* retry the login again */
5408 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5409 						    "Retrying %d login again loop_id 0x%x.\n",
5410 						    fcport->login_retry,
5411 						    fcport->loop_id);
5412 					} else {
5413 						fcport->login_retry = 0;
5414 					}
5415 
5416 					if (fcport->login_retry == 0 &&
5417 					    status != QLA_SUCCESS)
5418 						qla2x00_clear_loop_id(fcport);
5419 				}
5420 			}
5421 		}
5422 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5423 			break;
5424 	}
5425 
5426 	if (relogin_needed)
5427 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5428 
5429 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5430 	    "Relogin end.\n");
5431 }
5432 
5433 /* Schedule work on any of the dpc-workqueues */
5434 void
5435 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5436 {
5437 	struct qla_hw_data *ha = base_vha->hw;
5438 
5439 	switch (work_code) {
5440 	case MBA_IDC_AEN: /* 0x8200 */
5441 		if (ha->dpc_lp_wq)
5442 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5443 		break;
5444 
5445 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5446 		if (!ha->flags.nic_core_reset_hdlr_active) {
5447 			if (ha->dpc_hp_wq)
5448 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5449 		} else
5450 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5451 			    "NIC Core reset is already active. Skip "
5452 			    "scheduling it again.\n");
5453 		break;
5454 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5455 		if (ha->dpc_hp_wq)
5456 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5457 		break;
5458 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5459 		if (ha->dpc_hp_wq)
5460 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5461 		break;
5462 	default:
5463 		ql_log(ql_log_warn, base_vha, 0xb05f,
5464 		    "Unknown work-code=0x%x.\n", work_code);
5465 	}
5466 
5467 	return;
5468 }
5469 
5470 /* Work: Perform NIC Core Unrecoverable state handling */
5471 void
5472 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5473 {
5474 	struct qla_hw_data *ha =
5475 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5476 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5477 	uint32_t dev_state = 0;
5478 
5479 	qla83xx_idc_lock(base_vha, 0);
5480 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5481 	qla83xx_reset_ownership(base_vha);
5482 	if (ha->flags.nic_core_reset_owner) {
5483 		ha->flags.nic_core_reset_owner = 0;
5484 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5485 		    QLA8XXX_DEV_FAILED);
5486 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5487 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5488 	}
5489 	qla83xx_idc_unlock(base_vha, 0);
5490 }
5491 
5492 /* Work: Execute IDC state handler */
5493 void
5494 qla83xx_idc_state_handler_work(struct work_struct *work)
5495 {
5496 	struct qla_hw_data *ha =
5497 		container_of(work, struct qla_hw_data, idc_state_handler);
5498 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5499 	uint32_t dev_state = 0;
5500 
5501 	qla83xx_idc_lock(base_vha, 0);
5502 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5503 	if (dev_state == QLA8XXX_DEV_FAILED ||
5504 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5505 		qla83xx_idc_state_handler(base_vha);
5506 	qla83xx_idc_unlock(base_vha, 0);
5507 }
5508 
5509 static int
5510 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5511 {
5512 	int rval = QLA_SUCCESS;
5513 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5514 	uint32_t heart_beat_counter1, heart_beat_counter2;
5515 
5516 	do {
5517 		if (time_after(jiffies, heart_beat_wait)) {
5518 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5519 			    "Nic Core f/w is not alive.\n");
5520 			rval = QLA_FUNCTION_FAILED;
5521 			break;
5522 		}
5523 
5524 		qla83xx_idc_lock(base_vha, 0);
5525 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5526 		    &heart_beat_counter1);
5527 		qla83xx_idc_unlock(base_vha, 0);
5528 		msleep(100);
5529 		qla83xx_idc_lock(base_vha, 0);
5530 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5531 		    &heart_beat_counter2);
5532 		qla83xx_idc_unlock(base_vha, 0);
5533 	} while (heart_beat_counter1 == heart_beat_counter2);
5534 
5535 	return rval;
5536 }
5537 
5538 /* Work: Perform NIC Core Reset handling */
5539 void
5540 qla83xx_nic_core_reset_work(struct work_struct *work)
5541 {
5542 	struct qla_hw_data *ha =
5543 		container_of(work, struct qla_hw_data, nic_core_reset);
5544 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5545 	uint32_t dev_state = 0;
5546 
5547 	if (IS_QLA2031(ha)) {
5548 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5549 			ql_log(ql_log_warn, base_vha, 0xb081,
5550 			    "Failed to dump mctp\n");
5551 		return;
5552 	}
5553 
5554 	if (!ha->flags.nic_core_reset_hdlr_active) {
5555 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5556 			qla83xx_idc_lock(base_vha, 0);
5557 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5558 			    &dev_state);
5559 			qla83xx_idc_unlock(base_vha, 0);
5560 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5561 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5562 				    "Nic Core f/w is alive.\n");
5563 				return;
5564 			}
5565 		}
5566 
5567 		ha->flags.nic_core_reset_hdlr_active = 1;
5568 		if (qla83xx_nic_core_reset(base_vha)) {
5569 			/* NIC Core reset failed. */
5570 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5571 			    "NIC Core reset failed.\n");
5572 		}
5573 		ha->flags.nic_core_reset_hdlr_active = 0;
5574 	}
5575 }
5576 
5577 /* Work: Handle 8200 IDC aens */
5578 void
5579 qla83xx_service_idc_aen(struct work_struct *work)
5580 {
5581 	struct qla_hw_data *ha =
5582 		container_of(work, struct qla_hw_data, idc_aen);
5583 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5584 	uint32_t dev_state, idc_control;
5585 
5586 	qla83xx_idc_lock(base_vha, 0);
5587 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5588 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5589 	qla83xx_idc_unlock(base_vha, 0);
5590 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5591 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5592 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5593 			    "Application requested NIC Core Reset.\n");
5594 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5595 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5596 		    QLA_SUCCESS) {
5597 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5598 			    "Other protocol driver requested NIC Core Reset.\n");
5599 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5600 		}
5601 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5602 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5603 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5604 	}
5605 }
5606 
5607 /*
5608  * Control the frequency of IDC lock retries
5609  */
5610 #define QLA83XX_WAIT_LOGIC_MS	100
5611 
5612 static int
5613 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5614 {
5615 	int rval;
5616 	uint32_t data;
5617 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5618 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5619 	struct qla_hw_data *ha = base_vha->hw;
5620 
5621 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5622 	    "Trying force recovery of the IDC lock.\n");
5623 
5624 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5625 	if (rval)
5626 		return rval;
5627 
5628 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5629 		return QLA_SUCCESS;
5630 	} else {
5631 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5632 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5633 		    data);
5634 		if (rval)
5635 			return rval;
5636 
5637 		msleep(200);
5638 
5639 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5640 		    &data);
5641 		if (rval)
5642 			return rval;
5643 
5644 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5645 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5646 					~(idc_lck_rcvry_stage_mask));
5647 			rval = qla83xx_wr_reg(base_vha,
5648 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5649 			if (rval)
5650 				return rval;
5651 
5652 			/* Forcefully perform IDC UnLock */
5653 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5654 			    &data);
5655 			if (rval)
5656 				return rval;
5657 			/* Clear lock-id by setting 0xff */
5658 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5659 			    0xff);
5660 			if (rval)
5661 				return rval;
5662 			/* Clear lock-recovery by setting 0x0 */
5663 			rval = qla83xx_wr_reg(base_vha,
5664 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5665 			if (rval)
5666 				return rval;
5667 		} else
5668 			return QLA_SUCCESS;
5669 	}
5670 
5671 	return rval;
5672 }
5673 
5674 static int
5675 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5676 {
5677 	int rval = QLA_SUCCESS;
5678 	uint32_t o_drv_lockid, n_drv_lockid;
5679 	unsigned long lock_recovery_timeout;
5680 
5681 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5682 retry_lockid:
5683 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5684 	if (rval)
5685 		goto exit;
5686 
5687 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5688 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5689 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5690 			return QLA_SUCCESS;
5691 		else
5692 			return QLA_FUNCTION_FAILED;
5693 	}
5694 
5695 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5696 	if (rval)
5697 		goto exit;
5698 
5699 	if (o_drv_lockid == n_drv_lockid) {
5700 		msleep(QLA83XX_WAIT_LOGIC_MS);
5701 		goto retry_lockid;
5702 	} else
5703 		return QLA_SUCCESS;
5704 
5705 exit:
5706 	return rval;
5707 }
5708 
5709 /*
5710  * Context: task, can sleep
5711  */
5712 void
5713 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5714 {
5715 	uint32_t data;
5716 	uint32_t lock_owner;
5717 	struct qla_hw_data *ha = base_vha->hw;
5718 
5719 	might_sleep();
5720 
5721 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5722 retry_lock:
5723 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5724 	    == QLA_SUCCESS) {
5725 		if (data) {
5726 			/* Setting lock-id to our function-number */
5727 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5728 			    ha->portnum);
5729 		} else {
5730 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5731 			    &lock_owner);
5732 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5733 			    "Failed to acquire IDC lock, acquired by %d, "
5734 			    "retrying...\n", lock_owner);
5735 
5736 			/* Retry/Perform IDC-Lock recovery */
5737 			if (qla83xx_idc_lock_recovery(base_vha)
5738 			    == QLA_SUCCESS) {
5739 				msleep(QLA83XX_WAIT_LOGIC_MS);
5740 				goto retry_lock;
5741 			} else
5742 				ql_log(ql_log_warn, base_vha, 0xb075,
5743 				    "IDC Lock recovery FAILED.\n");
5744 		}
5745 
5746 	}
5747 
5748 	return;
5749 }
5750 
5751 static bool
5752 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5753 	struct purex_entry_24xx *purex)
5754 {
5755 	char fwstr[16];
5756 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5757 	struct port_database_24xx *pdb;
5758 
5759 	/* Domain Controller is always logged-out. */
5760 	/* if RDP request is not from Domain Controller: */
5761 	if (sid != 0xfffc01)
5762 		return false;
5763 
5764 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5765 
5766 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5767 	if (!pdb) {
5768 		ql_dbg(ql_dbg_init, vha, 0x0181,
5769 		    "%s: Failed allocate pdb\n", __func__);
5770 	} else if (qla24xx_get_port_database(vha,
5771 				le16_to_cpu(purex->nport_handle), pdb)) {
5772 		ql_dbg(ql_dbg_init, vha, 0x0181,
5773 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
5774 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5775 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
5776 		ql_dbg(ql_dbg_init, vha, 0x0181,
5777 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
5778 	} else {
5779 		/* RDP request is from logged in port */
5780 		kfree(pdb);
5781 		return false;
5782 	}
5783 	kfree(pdb);
5784 
5785 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5786 	fwstr[strcspn(fwstr, " ")] = 0;
5787 	/* if FW version allows RDP response length upto 2048 bytes: */
5788 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5789 		return false;
5790 
5791 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5792 
5793 	/* RDP response length is to be reduced to maximum 256 bytes */
5794 	return true;
5795 }
5796 
5797 /*
5798  * Function Name: qla24xx_process_purex_iocb
5799  *
5800  * Description:
5801  * Prepare a RDP response and send to Fabric switch
5802  *
5803  * PARAMETERS:
5804  * vha:	SCSI qla host
5805  * purex: RDP request received by HBA
5806  */
5807 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
5808 			       struct purex_item *item)
5809 {
5810 	struct qla_hw_data *ha = vha->hw;
5811 	struct purex_entry_24xx *purex =
5812 	    (struct purex_entry_24xx *)&item->iocb;
5813 	dma_addr_t rsp_els_dma;
5814 	dma_addr_t rsp_payload_dma;
5815 	dma_addr_t stat_dma;
5816 	dma_addr_t sfp_dma;
5817 	struct els_entry_24xx *rsp_els = NULL;
5818 	struct rdp_rsp_payload *rsp_payload = NULL;
5819 	struct link_statistics *stat = NULL;
5820 	uint8_t *sfp = NULL;
5821 	uint16_t sfp_flags = 0;
5822 	uint rsp_payload_length = sizeof(*rsp_payload);
5823 	int rval;
5824 
5825 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
5826 	    "%s: Enter\n", __func__);
5827 
5828 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
5829 	    "-------- ELS REQ -------\n");
5830 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
5831 	    purex, sizeof(*purex));
5832 
5833 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
5834 		rsp_payload_length =
5835 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
5836 		ql_dbg(ql_dbg_init, vha, 0x0181,
5837 		    "Reducing RSP payload length to %u bytes...\n",
5838 		    rsp_payload_length);
5839 	}
5840 
5841 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
5842 	    &rsp_els_dma, GFP_KERNEL);
5843 	if (!rsp_els) {
5844 		ql_log(ql_log_warn, vha, 0x0183,
5845 		    "Failed allocate dma buffer ELS RSP.\n");
5846 		goto dealloc;
5847 	}
5848 
5849 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
5850 	    &rsp_payload_dma, GFP_KERNEL);
5851 	if (!rsp_payload) {
5852 		ql_log(ql_log_warn, vha, 0x0184,
5853 		    "Failed allocate dma buffer ELS RSP payload.\n");
5854 		goto dealloc;
5855 	}
5856 
5857 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
5858 	    &sfp_dma, GFP_KERNEL);
5859 
5860 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
5861 	    &stat_dma, GFP_KERNEL);
5862 
5863 	/* Prepare Response IOCB */
5864 	rsp_els->entry_type = ELS_IOCB_TYPE;
5865 	rsp_els->entry_count = 1;
5866 	rsp_els->sys_define = 0;
5867 	rsp_els->entry_status = 0;
5868 	rsp_els->handle = 0;
5869 	rsp_els->nport_handle = purex->nport_handle;
5870 	rsp_els->tx_dsd_count = cpu_to_le16(1);
5871 	rsp_els->vp_index = purex->vp_idx;
5872 	rsp_els->sof_type = EST_SOFI3;
5873 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
5874 	rsp_els->rx_dsd_count = 0;
5875 	rsp_els->opcode = purex->els_frame_payload[0];
5876 
5877 	rsp_els->d_id[0] = purex->s_id[0];
5878 	rsp_els->d_id[1] = purex->s_id[1];
5879 	rsp_els->d_id[2] = purex->s_id[2];
5880 
5881 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
5882 	rsp_els->rx_byte_count = 0;
5883 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
5884 
5885 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
5886 	rsp_els->tx_len = rsp_els->tx_byte_count;
5887 
5888 	rsp_els->rx_address = 0;
5889 	rsp_els->rx_len = 0;
5890 
5891 	/* Prepare Response Payload */
5892 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
5893 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
5894 					   sizeof(rsp_payload->hdr));
5895 
5896 	/* Link service Request Info Descriptor */
5897 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
5898 	rsp_payload->ls_req_info_desc.desc_len =
5899 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
5900 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
5901 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5902 
5903 	/* Link service Request Info Descriptor 2 */
5904 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
5905 	rsp_payload->ls_req_info_desc2.desc_len =
5906 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
5907 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
5908 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5909 
5910 
5911 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
5912 	rsp_payload->sfp_diag_desc.desc_len =
5913 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
5914 
5915 	if (sfp) {
5916 		/* SFP Flags */
5917 		memset(sfp, 0, SFP_RTDI_LEN);
5918 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
5919 		if (!rval) {
5920 			/* SFP Flags bits 3-0: Port Tx Laser Type */
5921 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
5922 				sfp_flags |= BIT_0; /* short wave */
5923 			else if (sfp[0] & BIT_1)
5924 				sfp_flags |= BIT_1; /* long wave 1310nm */
5925 			else if (sfp[1] & BIT_4)
5926 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
5927 		}
5928 
5929 		/* SFP Type */
5930 		memset(sfp, 0, SFP_RTDI_LEN);
5931 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
5932 		if (!rval) {
5933 			sfp_flags |= BIT_4; /* optical */
5934 			if (sfp[0] == 0x3)
5935 				sfp_flags |= BIT_6; /* sfp+ */
5936 		}
5937 
5938 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
5939 
5940 		/* SFP Diagnostics */
5941 		memset(sfp, 0, SFP_RTDI_LEN);
5942 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
5943 		if (!rval) {
5944 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
5945 			rsp_payload->sfp_diag_desc.temperature = trx[0];
5946 			rsp_payload->sfp_diag_desc.vcc = trx[1];
5947 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
5948 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
5949 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
5950 		}
5951 	}
5952 
5953 	/* Port Speed Descriptor */
5954 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
5955 	rsp_payload->port_speed_desc.desc_len =
5956 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
5957 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
5958 	    qla25xx_fdmi_port_speed_capability(ha));
5959 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
5960 	    qla25xx_fdmi_port_speed_currently(ha));
5961 
5962 	/* Link Error Status Descriptor */
5963 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
5964 	rsp_payload->ls_err_desc.desc_len =
5965 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
5966 
5967 	if (stat) {
5968 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
5969 		if (!rval) {
5970 			rsp_payload->ls_err_desc.link_fail_cnt =
5971 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
5972 			rsp_payload->ls_err_desc.loss_sync_cnt =
5973 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
5974 			rsp_payload->ls_err_desc.loss_sig_cnt =
5975 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
5976 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
5977 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
5978 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
5979 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
5980 			rsp_payload->ls_err_desc.inval_crc_cnt =
5981 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
5982 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
5983 		}
5984 	}
5985 
5986 	/* Portname Descriptor */
5987 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
5988 	rsp_payload->port_name_diag_desc.desc_len =
5989 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
5990 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
5991 	    vha->node_name,
5992 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
5993 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
5994 	    vha->port_name,
5995 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
5996 
5997 	/* F-Port Portname Descriptor */
5998 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
5999 	rsp_payload->port_name_direct_desc.desc_len =
6000 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6001 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6002 	    vha->fabric_node_name,
6003 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6004 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6005 	    vha->fabric_port_name,
6006 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6007 
6008 	/* Bufer Credit Descriptor */
6009 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6010 	rsp_payload->buffer_credit_desc.desc_len =
6011 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6012 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6013 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6014 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6015 
6016 	if (ha->flags.plogi_template_valid) {
6017 		uint32_t tmp =
6018 		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6019 		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6020 	}
6021 
6022 	if (rsp_payload_length < sizeof(*rsp_payload))
6023 		goto send;
6024 
6025 	/* Optical Element Descriptor, Temperature */
6026 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6027 	rsp_payload->optical_elmt_desc[0].desc_len =
6028 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6029 	/* Optical Element Descriptor, Voltage */
6030 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6031 	rsp_payload->optical_elmt_desc[1].desc_len =
6032 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6033 	/* Optical Element Descriptor, Tx Bias Current */
6034 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6035 	rsp_payload->optical_elmt_desc[2].desc_len =
6036 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6037 	/* Optical Element Descriptor, Tx Power */
6038 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6039 	rsp_payload->optical_elmt_desc[3].desc_len =
6040 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6041 	/* Optical Element Descriptor, Rx Power */
6042 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6043 	rsp_payload->optical_elmt_desc[4].desc_len =
6044 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6045 
6046 	if (sfp) {
6047 		memset(sfp, 0, SFP_RTDI_LEN);
6048 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6049 		if (!rval) {
6050 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6051 
6052 			/* Optical Element Descriptor, Temperature */
6053 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6054 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6055 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6056 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6057 			rsp_payload->optical_elmt_desc[0].element_flags =
6058 			    cpu_to_be32(1 << 28);
6059 
6060 			/* Optical Element Descriptor, Voltage */
6061 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6062 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6063 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6064 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6065 			rsp_payload->optical_elmt_desc[1].element_flags =
6066 			    cpu_to_be32(2 << 28);
6067 
6068 			/* Optical Element Descriptor, Tx Bias Current */
6069 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6070 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6071 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6072 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6073 			rsp_payload->optical_elmt_desc[2].element_flags =
6074 			    cpu_to_be32(3 << 28);
6075 
6076 			/* Optical Element Descriptor, Tx Power */
6077 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6078 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6079 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6080 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6081 			rsp_payload->optical_elmt_desc[3].element_flags =
6082 			    cpu_to_be32(4 << 28);
6083 
6084 			/* Optical Element Descriptor, Rx Power */
6085 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6086 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6087 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6088 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6089 			rsp_payload->optical_elmt_desc[4].element_flags =
6090 			    cpu_to_be32(5 << 28);
6091 		}
6092 
6093 		memset(sfp, 0, SFP_RTDI_LEN);
6094 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6095 		if (!rval) {
6096 			/* Temperature high/low alarm/warning */
6097 			rsp_payload->optical_elmt_desc[0].element_flags |=
6098 			    cpu_to_be32(
6099 				(sfp[0] >> 7 & 1) << 3 |
6100 				(sfp[0] >> 6 & 1) << 2 |
6101 				(sfp[4] >> 7 & 1) << 1 |
6102 				(sfp[4] >> 6 & 1) << 0);
6103 
6104 			/* Voltage high/low alarm/warning */
6105 			rsp_payload->optical_elmt_desc[1].element_flags |=
6106 			    cpu_to_be32(
6107 				(sfp[0] >> 5 & 1) << 3 |
6108 				(sfp[0] >> 4 & 1) << 2 |
6109 				(sfp[4] >> 5 & 1) << 1 |
6110 				(sfp[4] >> 4 & 1) << 0);
6111 
6112 			/* Tx Bias Current high/low alarm/warning */
6113 			rsp_payload->optical_elmt_desc[2].element_flags |=
6114 			    cpu_to_be32(
6115 				(sfp[0] >> 3 & 1) << 3 |
6116 				(sfp[0] >> 2 & 1) << 2 |
6117 				(sfp[4] >> 3 & 1) << 1 |
6118 				(sfp[4] >> 2 & 1) << 0);
6119 
6120 			/* Tx Power high/low alarm/warning */
6121 			rsp_payload->optical_elmt_desc[3].element_flags |=
6122 			    cpu_to_be32(
6123 				(sfp[0] >> 1 & 1) << 3 |
6124 				(sfp[0] >> 0 & 1) << 2 |
6125 				(sfp[4] >> 1 & 1) << 1 |
6126 				(sfp[4] >> 0 & 1) << 0);
6127 
6128 			/* Rx Power high/low alarm/warning */
6129 			rsp_payload->optical_elmt_desc[4].element_flags |=
6130 			    cpu_to_be32(
6131 				(sfp[1] >> 7 & 1) << 3 |
6132 				(sfp[1] >> 6 & 1) << 2 |
6133 				(sfp[5] >> 7 & 1) << 1 |
6134 				(sfp[5] >> 6 & 1) << 0);
6135 		}
6136 	}
6137 
6138 	/* Optical Product Data Descriptor */
6139 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6140 	rsp_payload->optical_prod_desc.desc_len =
6141 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6142 
6143 	if (sfp) {
6144 		memset(sfp, 0, SFP_RTDI_LEN);
6145 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6146 		if (!rval) {
6147 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6148 			    sfp + 0,
6149 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6150 			memcpy(rsp_payload->optical_prod_desc.part_number,
6151 			    sfp + 20,
6152 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6153 			memcpy(rsp_payload->optical_prod_desc.revision,
6154 			    sfp + 36,
6155 			    sizeof(rsp_payload->optical_prod_desc.revision));
6156 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6157 			    sfp + 48,
6158 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6159 		}
6160 
6161 		memset(sfp, 0, SFP_RTDI_LEN);
6162 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6163 		if (!rval) {
6164 			memcpy(rsp_payload->optical_prod_desc.date,
6165 			    sfp + 0,
6166 			    sizeof(rsp_payload->optical_prod_desc.date));
6167 		}
6168 	}
6169 
6170 send:
6171 	ql_dbg(ql_dbg_init, vha, 0x0183,
6172 	    "Sending ELS Response to RDP Request...\n");
6173 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6174 	    "-------- ELS RSP -------\n");
6175 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6176 	    rsp_els, sizeof(*rsp_els));
6177 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6178 	    "-------- ELS RSP PAYLOAD -------\n");
6179 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6180 	    rsp_payload, rsp_payload_length);
6181 
6182 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6183 
6184 	if (rval) {
6185 		ql_log(ql_log_warn, vha, 0x0188,
6186 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6187 	} else if (rsp_els->comp_status) {
6188 		ql_log(ql_log_warn, vha, 0x0189,
6189 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6190 		    __func__, rsp_els->comp_status,
6191 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6192 	} else {
6193 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6194 	}
6195 
6196 dealloc:
6197 	if (stat)
6198 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6199 		    stat, stat_dma);
6200 	if (sfp)
6201 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6202 		    sfp, sfp_dma);
6203 	if (rsp_payload)
6204 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6205 		    rsp_payload, rsp_payload_dma);
6206 	if (rsp_els)
6207 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6208 		    rsp_els, rsp_els_dma);
6209 }
6210 
6211 void
6212 qla24xx_free_purex_item(struct purex_item *item)
6213 {
6214 	if (item == &item->vha->default_item)
6215 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6216 	else
6217 		kfree(item);
6218 }
6219 
6220 void qla24xx_process_purex_list(struct purex_list *list)
6221 {
6222 	struct list_head head = LIST_HEAD_INIT(head);
6223 	struct purex_item *item, *next;
6224 	ulong flags;
6225 
6226 	spin_lock_irqsave(&list->lock, flags);
6227 	list_splice_init(&list->head, &head);
6228 	spin_unlock_irqrestore(&list->lock, flags);
6229 
6230 	list_for_each_entry_safe(item, next, &head, list) {
6231 		list_del(&item->list);
6232 		item->process_item(item->vha, item);
6233 		qla24xx_free_purex_item(item);
6234 	}
6235 }
6236 
6237 /*
6238  * Context: task, can sleep
6239  */
6240 void
6241 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6242 {
6243 #if 0
6244 	uint16_t options = (requester_id << 15) | BIT_7;
6245 #endif
6246 	uint16_t retry;
6247 	uint32_t data;
6248 	struct qla_hw_data *ha = base_vha->hw;
6249 
6250 	might_sleep();
6251 
6252 	/* IDC-unlock implementation using driver-unlock/lock-id
6253 	 * remote registers
6254 	 */
6255 	retry = 0;
6256 retry_unlock:
6257 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6258 	    == QLA_SUCCESS) {
6259 		if (data == ha->portnum) {
6260 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6261 			/* Clearing lock-id by setting 0xff */
6262 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6263 		} else if (retry < 10) {
6264 			/* SV: XXX: IDC unlock retrying needed here? */
6265 
6266 			/* Retry for IDC-unlock */
6267 			msleep(QLA83XX_WAIT_LOGIC_MS);
6268 			retry++;
6269 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6270 			    "Failed to release IDC lock, retrying=%d\n", retry);
6271 			goto retry_unlock;
6272 		}
6273 	} else if (retry < 10) {
6274 		/* Retry for IDC-unlock */
6275 		msleep(QLA83XX_WAIT_LOGIC_MS);
6276 		retry++;
6277 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6278 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6279 		goto retry_unlock;
6280 	}
6281 
6282 	return;
6283 
6284 #if 0
6285 	/* XXX: IDC-unlock implementation using access-control mbx */
6286 	retry = 0;
6287 retry_unlock2:
6288 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6289 		if (retry < 10) {
6290 			/* Retry for IDC-unlock */
6291 			msleep(QLA83XX_WAIT_LOGIC_MS);
6292 			retry++;
6293 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6294 			    "Failed to release IDC lock, retrying=%d\n", retry);
6295 			goto retry_unlock2;
6296 		}
6297 	}
6298 
6299 	return;
6300 #endif
6301 }
6302 
6303 int
6304 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6305 {
6306 	int rval = QLA_SUCCESS;
6307 	struct qla_hw_data *ha = vha->hw;
6308 	uint32_t drv_presence;
6309 
6310 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6311 	if (rval == QLA_SUCCESS) {
6312 		drv_presence |= (1 << ha->portnum);
6313 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6314 		    drv_presence);
6315 	}
6316 
6317 	return rval;
6318 }
6319 
6320 int
6321 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6322 {
6323 	int rval = QLA_SUCCESS;
6324 
6325 	qla83xx_idc_lock(vha, 0);
6326 	rval = __qla83xx_set_drv_presence(vha);
6327 	qla83xx_idc_unlock(vha, 0);
6328 
6329 	return rval;
6330 }
6331 
6332 int
6333 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6334 {
6335 	int rval = QLA_SUCCESS;
6336 	struct qla_hw_data *ha = vha->hw;
6337 	uint32_t drv_presence;
6338 
6339 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6340 	if (rval == QLA_SUCCESS) {
6341 		drv_presence &= ~(1 << ha->portnum);
6342 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6343 		    drv_presence);
6344 	}
6345 
6346 	return rval;
6347 }
6348 
6349 int
6350 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6351 {
6352 	int rval = QLA_SUCCESS;
6353 
6354 	qla83xx_idc_lock(vha, 0);
6355 	rval = __qla83xx_clear_drv_presence(vha);
6356 	qla83xx_idc_unlock(vha, 0);
6357 
6358 	return rval;
6359 }
6360 
6361 static void
6362 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6363 {
6364 	struct qla_hw_data *ha = vha->hw;
6365 	uint32_t drv_ack, drv_presence;
6366 	unsigned long ack_timeout;
6367 
6368 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6369 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6370 	while (1) {
6371 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6372 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6373 		if ((drv_ack & drv_presence) == drv_presence)
6374 			break;
6375 
6376 		if (time_after_eq(jiffies, ack_timeout)) {
6377 			ql_log(ql_log_warn, vha, 0xb067,
6378 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6379 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6380 			/*
6381 			 * The function(s) which did not ack in time are forced
6382 			 * to withdraw any further participation in the IDC
6383 			 * reset.
6384 			 */
6385 			if (drv_ack != drv_presence)
6386 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6387 				    drv_ack);
6388 			break;
6389 		}
6390 
6391 		qla83xx_idc_unlock(vha, 0);
6392 		msleep(1000);
6393 		qla83xx_idc_lock(vha, 0);
6394 	}
6395 
6396 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6397 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6398 }
6399 
6400 static int
6401 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6402 {
6403 	int rval = QLA_SUCCESS;
6404 	uint32_t idc_control;
6405 
6406 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6407 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6408 
6409 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6410 	__qla83xx_get_idc_control(vha, &idc_control);
6411 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6412 	__qla83xx_set_idc_control(vha, 0);
6413 
6414 	qla83xx_idc_unlock(vha, 0);
6415 	rval = qla83xx_restart_nic_firmware(vha);
6416 	qla83xx_idc_lock(vha, 0);
6417 
6418 	if (rval != QLA_SUCCESS) {
6419 		ql_log(ql_log_fatal, vha, 0xb06a,
6420 		    "Failed to restart NIC f/w.\n");
6421 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6422 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6423 	} else {
6424 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6425 		    "Success in restarting nic f/w.\n");
6426 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6427 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6428 	}
6429 
6430 	return rval;
6431 }
6432 
6433 /* Assumes idc_lock always held on entry */
6434 int
6435 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6436 {
6437 	struct qla_hw_data *ha = base_vha->hw;
6438 	int rval = QLA_SUCCESS;
6439 	unsigned long dev_init_timeout;
6440 	uint32_t dev_state;
6441 
6442 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6443 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6444 
6445 	while (1) {
6446 
6447 		if (time_after_eq(jiffies, dev_init_timeout)) {
6448 			ql_log(ql_log_warn, base_vha, 0xb06e,
6449 			    "Initialization TIMEOUT!\n");
6450 			/* Init timeout. Disable further NIC Core
6451 			 * communication.
6452 			 */
6453 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6454 				QLA8XXX_DEV_FAILED);
6455 			ql_log(ql_log_info, base_vha, 0xb06f,
6456 			    "HW State: FAILED.\n");
6457 		}
6458 
6459 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6460 		switch (dev_state) {
6461 		case QLA8XXX_DEV_READY:
6462 			if (ha->flags.nic_core_reset_owner)
6463 				qla83xx_idc_audit(base_vha,
6464 				    IDC_AUDIT_COMPLETION);
6465 			ha->flags.nic_core_reset_owner = 0;
6466 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6467 			    "Reset_owner reset by 0x%x.\n",
6468 			    ha->portnum);
6469 			goto exit;
6470 		case QLA8XXX_DEV_COLD:
6471 			if (ha->flags.nic_core_reset_owner)
6472 				rval = qla83xx_device_bootstrap(base_vha);
6473 			else {
6474 			/* Wait for AEN to change device-state */
6475 				qla83xx_idc_unlock(base_vha, 0);
6476 				msleep(1000);
6477 				qla83xx_idc_lock(base_vha, 0);
6478 			}
6479 			break;
6480 		case QLA8XXX_DEV_INITIALIZING:
6481 			/* Wait for AEN to change device-state */
6482 			qla83xx_idc_unlock(base_vha, 0);
6483 			msleep(1000);
6484 			qla83xx_idc_lock(base_vha, 0);
6485 			break;
6486 		case QLA8XXX_DEV_NEED_RESET:
6487 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6488 				qla83xx_need_reset_handler(base_vha);
6489 			else {
6490 				/* Wait for AEN to change device-state */
6491 				qla83xx_idc_unlock(base_vha, 0);
6492 				msleep(1000);
6493 				qla83xx_idc_lock(base_vha, 0);
6494 			}
6495 			/* reset timeout value after need reset handler */
6496 			dev_init_timeout = jiffies +
6497 			    (ha->fcoe_dev_init_timeout * HZ);
6498 			break;
6499 		case QLA8XXX_DEV_NEED_QUIESCENT:
6500 			/* XXX: DEBUG for now */
6501 			qla83xx_idc_unlock(base_vha, 0);
6502 			msleep(1000);
6503 			qla83xx_idc_lock(base_vha, 0);
6504 			break;
6505 		case QLA8XXX_DEV_QUIESCENT:
6506 			/* XXX: DEBUG for now */
6507 			if (ha->flags.quiesce_owner)
6508 				goto exit;
6509 
6510 			qla83xx_idc_unlock(base_vha, 0);
6511 			msleep(1000);
6512 			qla83xx_idc_lock(base_vha, 0);
6513 			dev_init_timeout = jiffies +
6514 			    (ha->fcoe_dev_init_timeout * HZ);
6515 			break;
6516 		case QLA8XXX_DEV_FAILED:
6517 			if (ha->flags.nic_core_reset_owner)
6518 				qla83xx_idc_audit(base_vha,
6519 				    IDC_AUDIT_COMPLETION);
6520 			ha->flags.nic_core_reset_owner = 0;
6521 			__qla83xx_clear_drv_presence(base_vha);
6522 			qla83xx_idc_unlock(base_vha, 0);
6523 			qla8xxx_dev_failed_handler(base_vha);
6524 			rval = QLA_FUNCTION_FAILED;
6525 			qla83xx_idc_lock(base_vha, 0);
6526 			goto exit;
6527 		case QLA8XXX_BAD_VALUE:
6528 			qla83xx_idc_unlock(base_vha, 0);
6529 			msleep(1000);
6530 			qla83xx_idc_lock(base_vha, 0);
6531 			break;
6532 		default:
6533 			ql_log(ql_log_warn, base_vha, 0xb071,
6534 			    "Unknown Device State: %x.\n", dev_state);
6535 			qla83xx_idc_unlock(base_vha, 0);
6536 			qla8xxx_dev_failed_handler(base_vha);
6537 			rval = QLA_FUNCTION_FAILED;
6538 			qla83xx_idc_lock(base_vha, 0);
6539 			goto exit;
6540 		}
6541 	}
6542 
6543 exit:
6544 	return rval;
6545 }
6546 
6547 void
6548 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6549 {
6550 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6551 	    board_disable);
6552 	struct pci_dev *pdev = ha->pdev;
6553 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6554 
6555 	ql_log(ql_log_warn, base_vha, 0x015b,
6556 	    "Disabling adapter.\n");
6557 
6558 	if (!atomic_read(&pdev->enable_cnt)) {
6559 		ql_log(ql_log_info, base_vha, 0xfffc,
6560 		    "PCI device disabled, no action req for PCI error=%lx\n",
6561 		    base_vha->pci_flags);
6562 		return;
6563 	}
6564 
6565 	/*
6566 	 * if UNLOADING flag is already set, then continue unload,
6567 	 * where it was set first.
6568 	 */
6569 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6570 		return;
6571 
6572 	qla2x00_wait_for_sess_deletion(base_vha);
6573 
6574 	qla2x00_delete_all_vps(ha, base_vha);
6575 
6576 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6577 
6578 	qla2x00_dfs_remove(base_vha);
6579 
6580 	qla84xx_put_chip(base_vha);
6581 
6582 	if (base_vha->timer_active)
6583 		qla2x00_stop_timer(base_vha);
6584 
6585 	base_vha->flags.online = 0;
6586 
6587 	qla2x00_destroy_deferred_work(ha);
6588 
6589 	/*
6590 	 * Do not try to stop beacon blink as it will issue a mailbox
6591 	 * command.
6592 	 */
6593 	qla2x00_free_sysfs_attr(base_vha, false);
6594 
6595 	fc_remove_host(base_vha->host);
6596 
6597 	scsi_remove_host(base_vha->host);
6598 
6599 	base_vha->flags.init_done = 0;
6600 	qla25xx_delete_queues(base_vha);
6601 	qla2x00_free_fcports(base_vha);
6602 	qla2x00_free_irqs(base_vha);
6603 	qla2x00_mem_free(ha);
6604 	qla82xx_md_free(base_vha);
6605 	qla2x00_free_queues(ha);
6606 
6607 	qla2x00_unmap_iobases(ha);
6608 
6609 	pci_release_selected_regions(ha->pdev, ha->bars);
6610 	pci_disable_pcie_error_reporting(pdev);
6611 	pci_disable_device(pdev);
6612 
6613 	/*
6614 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6615 	 */
6616 }
6617 
6618 /**************************************************************************
6619 * qla2x00_do_dpc
6620 *   This kernel thread is a task that is schedule by the interrupt handler
6621 *   to perform the background processing for interrupts.
6622 *
6623 * Notes:
6624 * This task always run in the context of a kernel thread.  It
6625 * is kick-off by the driver's detect code and starts up
6626 * up one per adapter. It immediately goes to sleep and waits for
6627 * some fibre event.  When either the interrupt handler or
6628 * the timer routine detects a event it will one of the task
6629 * bits then wake us up.
6630 **************************************************************************/
6631 static int
6632 qla2x00_do_dpc(void *data)
6633 {
6634 	scsi_qla_host_t *base_vha;
6635 	struct qla_hw_data *ha;
6636 	uint32_t online;
6637 	struct qla_qpair *qpair;
6638 
6639 	ha = (struct qla_hw_data *)data;
6640 	base_vha = pci_get_drvdata(ha->pdev);
6641 
6642 	set_user_nice(current, MIN_NICE);
6643 
6644 	set_current_state(TASK_INTERRUPTIBLE);
6645 	while (!kthread_should_stop()) {
6646 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6647 		    "DPC handler sleeping.\n");
6648 
6649 		schedule();
6650 
6651 		if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
6652 			qla_pci_set_eeh_busy(base_vha);
6653 
6654 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6655 			goto end_loop;
6656 
6657 		if (ha->flags.eeh_busy) {
6658 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6659 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6660 			goto end_loop;
6661 		}
6662 
6663 		ha->dpc_active = 1;
6664 
6665 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6666 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6667 		    base_vha->dpc_flags);
6668 
6669 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6670 			break;
6671 
6672 		if (IS_P3P_TYPE(ha)) {
6673 			if (IS_QLA8044(ha)) {
6674 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6675 					&base_vha->dpc_flags)) {
6676 					qla8044_idc_lock(ha);
6677 					qla8044_wr_direct(base_vha,
6678 						QLA8044_CRB_DEV_STATE_INDEX,
6679 						QLA8XXX_DEV_FAILED);
6680 					qla8044_idc_unlock(ha);
6681 					ql_log(ql_log_info, base_vha, 0x4004,
6682 						"HW State: FAILED.\n");
6683 					qla8044_device_state_handler(base_vha);
6684 					continue;
6685 				}
6686 
6687 			} else {
6688 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6689 					&base_vha->dpc_flags)) {
6690 					qla82xx_idc_lock(ha);
6691 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6692 						QLA8XXX_DEV_FAILED);
6693 					qla82xx_idc_unlock(ha);
6694 					ql_log(ql_log_info, base_vha, 0x0151,
6695 						"HW State: FAILED.\n");
6696 					qla82xx_device_state_handler(base_vha);
6697 					continue;
6698 				}
6699 			}
6700 
6701 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6702 				&base_vha->dpc_flags)) {
6703 
6704 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6705 				    "FCoE context reset scheduled.\n");
6706 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6707 					&base_vha->dpc_flags))) {
6708 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6709 						/* FCoE-ctx reset failed.
6710 						 * Escalate to chip-reset
6711 						 */
6712 						set_bit(ISP_ABORT_NEEDED,
6713 							&base_vha->dpc_flags);
6714 					}
6715 					clear_bit(ABORT_ISP_ACTIVE,
6716 						&base_vha->dpc_flags);
6717 				}
6718 
6719 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6720 				    "FCoE context reset end.\n");
6721 			}
6722 		} else if (IS_QLAFX00(ha)) {
6723 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6724 				&base_vha->dpc_flags)) {
6725 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6726 				    "Firmware Reset Recovery\n");
6727 				if (qlafx00_reset_initialize(base_vha)) {
6728 					/* Failed. Abort isp later. */
6729 					if (!test_bit(UNLOADING,
6730 					    &base_vha->dpc_flags)) {
6731 						set_bit(ISP_UNRECOVERABLE,
6732 						    &base_vha->dpc_flags);
6733 						ql_dbg(ql_dbg_dpc, base_vha,
6734 						    0x4021,
6735 						    "Reset Recovery Failed\n");
6736 					}
6737 				}
6738 			}
6739 
6740 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6741 				&base_vha->dpc_flags)) {
6742 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6743 				    "ISPFx00 Target Scan scheduled\n");
6744 				if (qlafx00_rescan_isp(base_vha)) {
6745 					if (!test_bit(UNLOADING,
6746 					    &base_vha->dpc_flags))
6747 						set_bit(ISP_UNRECOVERABLE,
6748 						    &base_vha->dpc_flags);
6749 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6750 					    "ISPFx00 Target Scan Failed\n");
6751 				}
6752 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6753 				    "ISPFx00 Target Scan End\n");
6754 			}
6755 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6756 				&base_vha->dpc_flags)) {
6757 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6758 				    "ISPFx00 Host Info resend scheduled\n");
6759 				qlafx00_fx_disc(base_vha,
6760 				    &base_vha->hw->mr.fcport,
6761 				    FXDISC_REG_HOST_INFO);
6762 			}
6763 		}
6764 
6765 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6766 		    &base_vha->dpc_flags)) {
6767 			/* Semantic:
6768 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6769 			 *             to minimize disruptions that will occur
6770 			 *             when a forced chip-reset occurs.
6771 			 *  - Force -- ISP-ABORT scheduled.
6772 			 */
6773 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6774 		}
6775 
6776 		if (test_and_clear_bit
6777 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6778 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6779 			bool do_reset = true;
6780 
6781 			switch (base_vha->qlini_mode) {
6782 			case QLA2XXX_INI_MODE_ENABLED:
6783 				break;
6784 			case QLA2XXX_INI_MODE_DISABLED:
6785 				if (!qla_tgt_mode_enabled(base_vha) &&
6786 				    !ha->flags.fw_started)
6787 					do_reset = false;
6788 				break;
6789 			case QLA2XXX_INI_MODE_DUAL:
6790 				if (!qla_dual_mode_enabled(base_vha) &&
6791 				    !ha->flags.fw_started)
6792 					do_reset = false;
6793 				break;
6794 			default:
6795 				break;
6796 			}
6797 
6798 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6799 			    &base_vha->dpc_flags))) {
6800 				base_vha->flags.online = 1;
6801 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6802 				    "ISP abort scheduled.\n");
6803 				if (ha->isp_ops->abort_isp(base_vha)) {
6804 					/* failed. retry later */
6805 					set_bit(ISP_ABORT_NEEDED,
6806 					    &base_vha->dpc_flags);
6807 				}
6808 				clear_bit(ABORT_ISP_ACTIVE,
6809 						&base_vha->dpc_flags);
6810 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6811 				    "ISP abort end.\n");
6812 			}
6813 		}
6814 
6815 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
6816 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
6817 				qla24xx_process_purex_list
6818 					(&base_vha->purex_list);
6819 				clear_bit(PROCESS_PUREX_IOCB,
6820 				    &base_vha->dpc_flags);
6821 			}
6822 		}
6823 
6824 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6825 		    &base_vha->dpc_flags)) {
6826 			qla2x00_update_fcports(base_vha);
6827 		}
6828 
6829 		if (IS_QLAFX00(ha))
6830 			goto loop_resync_check;
6831 
6832 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6833 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6834 			    "Quiescence mode scheduled.\n");
6835 			if (IS_P3P_TYPE(ha)) {
6836 				if (IS_QLA82XX(ha))
6837 					qla82xx_device_state_handler(base_vha);
6838 				if (IS_QLA8044(ha))
6839 					qla8044_device_state_handler(base_vha);
6840 				clear_bit(ISP_QUIESCE_NEEDED,
6841 				    &base_vha->dpc_flags);
6842 				if (!ha->flags.quiesce_owner) {
6843 					qla2x00_perform_loop_resync(base_vha);
6844 					if (IS_QLA82XX(ha)) {
6845 						qla82xx_idc_lock(ha);
6846 						qla82xx_clear_qsnt_ready(
6847 						    base_vha);
6848 						qla82xx_idc_unlock(ha);
6849 					} else if (IS_QLA8044(ha)) {
6850 						qla8044_idc_lock(ha);
6851 						qla8044_clear_qsnt_ready(
6852 						    base_vha);
6853 						qla8044_idc_unlock(ha);
6854 					}
6855 				}
6856 			} else {
6857 				clear_bit(ISP_QUIESCE_NEEDED,
6858 				    &base_vha->dpc_flags);
6859 				qla2x00_quiesce_io(base_vha);
6860 			}
6861 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6862 			    "Quiescence mode end.\n");
6863 		}
6864 
6865 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6866 				&base_vha->dpc_flags) &&
6867 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6868 
6869 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6870 			    "Reset marker scheduled.\n");
6871 			qla2x00_rst_aen(base_vha);
6872 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6873 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6874 			    "Reset marker end.\n");
6875 		}
6876 
6877 		/* Retry each device up to login retry count */
6878 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6879 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6880 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6881 
6882 			if (!base_vha->relogin_jif ||
6883 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6884 				base_vha->relogin_jif = jiffies + HZ;
6885 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6886 
6887 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6888 				    "Relogin scheduled.\n");
6889 				qla24xx_post_relogin_work(base_vha);
6890 			}
6891 		}
6892 loop_resync_check:
6893 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6894 		    &base_vha->dpc_flags)) {
6895 
6896 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6897 			    "Loop resync scheduled.\n");
6898 
6899 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6900 			    &base_vha->dpc_flags))) {
6901 
6902 				qla2x00_loop_resync(base_vha);
6903 
6904 				clear_bit(LOOP_RESYNC_ACTIVE,
6905 						&base_vha->dpc_flags);
6906 			}
6907 
6908 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6909 			    "Loop resync end.\n");
6910 		}
6911 
6912 		if (IS_QLAFX00(ha))
6913 			goto intr_on_check;
6914 
6915 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6916 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6917 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6918 			qla2xxx_flash_npiv_conf(base_vha);
6919 		}
6920 
6921 intr_on_check:
6922 		if (!ha->interrupts_on)
6923 			ha->isp_ops->enable_intrs(ha);
6924 
6925 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6926 					&base_vha->dpc_flags)) {
6927 			if (ha->beacon_blink_led == 1)
6928 				ha->isp_ops->beacon_blink(base_vha);
6929 		}
6930 
6931 		/* qpair online check */
6932 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6933 		    &base_vha->dpc_flags)) {
6934 			if (ha->flags.eeh_busy ||
6935 			    ha->flags.pci_channel_io_perm_failure)
6936 				online = 0;
6937 			else
6938 				online = 1;
6939 
6940 			mutex_lock(&ha->mq_lock);
6941 			list_for_each_entry(qpair, &base_vha->qp_list,
6942 			    qp_list_elem)
6943 			qpair->online = online;
6944 			mutex_unlock(&ha->mq_lock);
6945 		}
6946 
6947 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
6948 				       &base_vha->dpc_flags)) {
6949 			u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
6950 
6951 			if (threshold > ha->orig_fw_xcb_count)
6952 				threshold = ha->orig_fw_xcb_count;
6953 
6954 			ql_log(ql_log_info, base_vha, 0xffffff,
6955 			       "SET ZIO Activity exchange threshold to %d.\n",
6956 			       threshold);
6957 			if (qla27xx_set_zio_threshold(base_vha, threshold)) {
6958 				ql_log(ql_log_info, base_vha, 0xffffff,
6959 				       "Unable to SET ZIO Activity exchange threshold to %d.\n",
6960 				       threshold);
6961 			}
6962 		}
6963 
6964 		if (!IS_QLAFX00(ha))
6965 			qla2x00_do_dpc_all_vps(base_vha);
6966 
6967 		if (test_and_clear_bit(N2N_LINK_RESET,
6968 			&base_vha->dpc_flags)) {
6969 			qla2x00_lip_reset(base_vha);
6970 		}
6971 
6972 		ha->dpc_active = 0;
6973 end_loop:
6974 		set_current_state(TASK_INTERRUPTIBLE);
6975 	} /* End of while(1) */
6976 	__set_current_state(TASK_RUNNING);
6977 
6978 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
6979 	    "DPC handler exiting.\n");
6980 
6981 	/*
6982 	 * Make sure that nobody tries to wake us up again.
6983 	 */
6984 	ha->dpc_active = 0;
6985 
6986 	/* Cleanup any residual CTX SRBs. */
6987 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6988 
6989 	return 0;
6990 }
6991 
6992 void
6993 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6994 {
6995 	struct qla_hw_data *ha = vha->hw;
6996 	struct task_struct *t = ha->dpc_thread;
6997 
6998 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6999 		wake_up_process(t);
7000 }
7001 
7002 /*
7003 *  qla2x00_rst_aen
7004 *      Processes asynchronous reset.
7005 *
7006 * Input:
7007 *      ha  = adapter block pointer.
7008 */
7009 static void
7010 qla2x00_rst_aen(scsi_qla_host_t *vha)
7011 {
7012 	if (vha->flags.online && !vha->flags.reset_active &&
7013 	    !atomic_read(&vha->loop_down_timer) &&
7014 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7015 		do {
7016 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7017 
7018 			/*
7019 			 * Issue marker command only when we are going to start
7020 			 * the I/O.
7021 			 */
7022 			vha->marker_needed = 1;
7023 		} while (!atomic_read(&vha->loop_down_timer) &&
7024 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7025 	}
7026 }
7027 
7028 /**************************************************************************
7029 *   qla2x00_timer
7030 *
7031 * Description:
7032 *   One second timer
7033 *
7034 * Context: Interrupt
7035 ***************************************************************************/
7036 void
7037 qla2x00_timer(struct timer_list *t)
7038 {
7039 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7040 	unsigned long	cpu_flags = 0;
7041 	int		start_dpc = 0;
7042 	int		index;
7043 	srb_t		*sp;
7044 	uint16_t        w;
7045 	struct qla_hw_data *ha = vha->hw;
7046 	struct req_que *req;
7047 	unsigned long flags;
7048 	fc_port_t *fcport = NULL;
7049 
7050 	if (ha->flags.eeh_busy) {
7051 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7052 		    "EEH = %d, restarting timer.\n",
7053 		    ha->flags.eeh_busy);
7054 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7055 		return;
7056 	}
7057 
7058 	/*
7059 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7060 	 * the read returns -1 then disable the board.
7061 	 */
7062 	if (!pci_channel_offline(ha->pdev)) {
7063 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7064 		qla2x00_check_reg16_for_disconnect(vha, w);
7065 	}
7066 
7067 	/* Make sure qla82xx_watchdog is run only for physical port */
7068 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7069 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7070 			start_dpc++;
7071 		if (IS_QLA82XX(ha))
7072 			qla82xx_watchdog(vha);
7073 		else if (IS_QLA8044(ha))
7074 			qla8044_watchdog(vha);
7075 	}
7076 
7077 	if (!vha->vp_idx && IS_QLAFX00(ha))
7078 		qlafx00_timer_routine(vha);
7079 
7080 	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7081 		vha->link_down_time++;
7082 
7083 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7084 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7085 		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7086 			fcport->tgt_link_down_time++;
7087 	}
7088 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7089 
7090 	/* Loop down handler. */
7091 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7092 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7093 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7094 		&& vha->flags.online) {
7095 
7096 		if (atomic_read(&vha->loop_down_timer) ==
7097 		    vha->loop_down_abort_time) {
7098 
7099 			ql_log(ql_log_info, vha, 0x6008,
7100 			    "Loop down - aborting the queues before time expires.\n");
7101 
7102 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7103 				atomic_set(&vha->loop_state, LOOP_DEAD);
7104 
7105 			/*
7106 			 * Schedule an ISP abort to return any FCP2-device
7107 			 * commands.
7108 			 */
7109 			/* NPIV - scan physical port only */
7110 			if (!vha->vp_idx) {
7111 				spin_lock_irqsave(&ha->hardware_lock,
7112 				    cpu_flags);
7113 				req = ha->req_q_map[0];
7114 				for (index = 1;
7115 				    index < req->num_outstanding_cmds;
7116 				    index++) {
7117 					fc_port_t *sfcp;
7118 
7119 					sp = req->outstanding_cmds[index];
7120 					if (!sp)
7121 						continue;
7122 					if (sp->cmd_type != TYPE_SRB)
7123 						continue;
7124 					if (sp->type != SRB_SCSI_CMD)
7125 						continue;
7126 					sfcp = sp->fcport;
7127 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7128 						continue;
7129 
7130 					if (IS_QLA82XX(ha))
7131 						set_bit(FCOE_CTX_RESET_NEEDED,
7132 							&vha->dpc_flags);
7133 					else
7134 						set_bit(ISP_ABORT_NEEDED,
7135 							&vha->dpc_flags);
7136 					break;
7137 				}
7138 				spin_unlock_irqrestore(&ha->hardware_lock,
7139 								cpu_flags);
7140 			}
7141 			start_dpc++;
7142 		}
7143 
7144 		/* if the loop has been down for 4 minutes, reinit adapter */
7145 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7146 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
7147 				ql_log(ql_log_warn, vha, 0x6009,
7148 				    "Loop down - aborting ISP.\n");
7149 
7150 				if (IS_QLA82XX(ha))
7151 					set_bit(FCOE_CTX_RESET_NEEDED,
7152 						&vha->dpc_flags);
7153 				else
7154 					set_bit(ISP_ABORT_NEEDED,
7155 						&vha->dpc_flags);
7156 			}
7157 		}
7158 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7159 		    "Loop down - seconds remaining %d.\n",
7160 		    atomic_read(&vha->loop_down_timer));
7161 	}
7162 	/* Check if beacon LED needs to be blinked for physical host only */
7163 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7164 		/* There is no beacon_blink function for ISP82xx */
7165 		if (!IS_P3P_TYPE(ha)) {
7166 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7167 			start_dpc++;
7168 		}
7169 	}
7170 
7171 	/* Process any deferred work. */
7172 	if (!list_empty(&vha->work_list)) {
7173 		unsigned long flags;
7174 		bool q = false;
7175 
7176 		spin_lock_irqsave(&vha->work_lock, flags);
7177 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7178 			q = true;
7179 		spin_unlock_irqrestore(&vha->work_lock, flags);
7180 		if (q)
7181 			queue_work(vha->hw->wq, &vha->iocb_work);
7182 	}
7183 
7184 	/*
7185 	 * FC-NVME
7186 	 * see if the active AEN count has changed from what was last reported.
7187 	 */
7188 	index = atomic_read(&ha->nvme_active_aen_cnt);
7189 	if (!vha->vp_idx &&
7190 	    (index != ha->nvme_last_rptd_aen) &&
7191 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7192 	    !ha->flags.host_shutting_down) {
7193 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7194 		ql_log(ql_log_info, vha, 0x3002,
7195 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7196 		    ha->nvme_last_rptd_aen);
7197 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7198 		start_dpc++;
7199 	}
7200 
7201 	if (!vha->vp_idx &&
7202 	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7203 	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7204 		ql_log(ql_log_info, vha, 0x3002,
7205 		    "Sched: Set ZIO exchange threshold to %d.\n",
7206 		    ha->last_zio_threshold);
7207 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7208 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7209 		start_dpc++;
7210 	}
7211 
7212 	/* Schedule the DPC routine if needed */
7213 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7214 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7215 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7216 	    start_dpc ||
7217 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7218 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7219 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7220 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7221 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7222 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7223 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7224 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7225 		    "isp_abort_needed=%d loop_resync_needed=%d "
7226 		    "fcport_update_needed=%d start_dpc=%d "
7227 		    "reset_marker_needed=%d",
7228 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7229 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7230 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7231 		    start_dpc,
7232 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7233 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7234 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7235 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7236 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7237 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7238 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7239 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7240 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7241 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7242 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7243 		qla2xxx_wake_dpc(vha);
7244 	}
7245 
7246 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7247 }
7248 
7249 /* Firmware interface routines. */
7250 
7251 #define FW_ISP21XX	0
7252 #define FW_ISP22XX	1
7253 #define FW_ISP2300	2
7254 #define FW_ISP2322	3
7255 #define FW_ISP24XX	4
7256 #define FW_ISP25XX	5
7257 #define FW_ISP81XX	6
7258 #define FW_ISP82XX	7
7259 #define FW_ISP2031	8
7260 #define FW_ISP8031	9
7261 #define FW_ISP27XX	10
7262 #define FW_ISP28XX	11
7263 
7264 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7265 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7266 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7267 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7268 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7269 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7270 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7271 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7272 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7273 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7274 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7275 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7276 
7277 
7278 static DEFINE_MUTEX(qla_fw_lock);
7279 
7280 static struct fw_blob qla_fw_blobs[] = {
7281 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7282 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7283 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7284 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7285 	{ .name = FW_FILE_ISP24XX, },
7286 	{ .name = FW_FILE_ISP25XX, },
7287 	{ .name = FW_FILE_ISP81XX, },
7288 	{ .name = FW_FILE_ISP82XX, },
7289 	{ .name = FW_FILE_ISP2031, },
7290 	{ .name = FW_FILE_ISP8031, },
7291 	{ .name = FW_FILE_ISP27XX, },
7292 	{ .name = FW_FILE_ISP28XX, },
7293 	{ .name = NULL, },
7294 };
7295 
7296 struct fw_blob *
7297 qla2x00_request_firmware(scsi_qla_host_t *vha)
7298 {
7299 	struct qla_hw_data *ha = vha->hw;
7300 	struct fw_blob *blob;
7301 
7302 	if (IS_QLA2100(ha)) {
7303 		blob = &qla_fw_blobs[FW_ISP21XX];
7304 	} else if (IS_QLA2200(ha)) {
7305 		blob = &qla_fw_blobs[FW_ISP22XX];
7306 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7307 		blob = &qla_fw_blobs[FW_ISP2300];
7308 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7309 		blob = &qla_fw_blobs[FW_ISP2322];
7310 	} else if (IS_QLA24XX_TYPE(ha)) {
7311 		blob = &qla_fw_blobs[FW_ISP24XX];
7312 	} else if (IS_QLA25XX(ha)) {
7313 		blob = &qla_fw_blobs[FW_ISP25XX];
7314 	} else if (IS_QLA81XX(ha)) {
7315 		blob = &qla_fw_blobs[FW_ISP81XX];
7316 	} else if (IS_QLA82XX(ha)) {
7317 		blob = &qla_fw_blobs[FW_ISP82XX];
7318 	} else if (IS_QLA2031(ha)) {
7319 		blob = &qla_fw_blobs[FW_ISP2031];
7320 	} else if (IS_QLA8031(ha)) {
7321 		blob = &qla_fw_blobs[FW_ISP8031];
7322 	} else if (IS_QLA27XX(ha)) {
7323 		blob = &qla_fw_blobs[FW_ISP27XX];
7324 	} else if (IS_QLA28XX(ha)) {
7325 		blob = &qla_fw_blobs[FW_ISP28XX];
7326 	} else {
7327 		return NULL;
7328 	}
7329 
7330 	if (!blob->name)
7331 		return NULL;
7332 
7333 	mutex_lock(&qla_fw_lock);
7334 	if (blob->fw)
7335 		goto out;
7336 
7337 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7338 		ql_log(ql_log_warn, vha, 0x0063,
7339 		    "Failed to load firmware image (%s).\n", blob->name);
7340 		blob->fw = NULL;
7341 		blob = NULL;
7342 	}
7343 
7344 out:
7345 	mutex_unlock(&qla_fw_lock);
7346 	return blob;
7347 }
7348 
7349 static void
7350 qla2x00_release_firmware(void)
7351 {
7352 	struct fw_blob *blob;
7353 
7354 	mutex_lock(&qla_fw_lock);
7355 	for (blob = qla_fw_blobs; blob->name; blob++)
7356 		release_firmware(blob->fw);
7357 	mutex_unlock(&qla_fw_lock);
7358 }
7359 
7360 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7361 {
7362 	struct qla_hw_data *ha = vha->hw;
7363 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7364 	struct qla_qpair *qpair = NULL;
7365 	struct scsi_qla_host *vp;
7366 	fc_port_t *fcport;
7367 	int i;
7368 	unsigned long flags;
7369 
7370 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7371 	       "%s\n", __func__);
7372 	ha->chip_reset++;
7373 
7374 	ha->base_qpair->chip_reset = ha->chip_reset;
7375 	for (i = 0; i < ha->max_qpairs; i++) {
7376 		if (ha->queue_pair_map[i])
7377 			ha->queue_pair_map[i]->chip_reset =
7378 			    ha->base_qpair->chip_reset;
7379 	}
7380 
7381 	/*
7382 	 * purge mailbox might take a while. Slot Reset/chip reset
7383 	 * will take care of the purge
7384 	 */
7385 
7386 	mutex_lock(&ha->mq_lock);
7387 	ha->base_qpair->online = 0;
7388 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7389 		qpair->online = 0;
7390 	wmb();
7391 	mutex_unlock(&ha->mq_lock);
7392 
7393 	qla2x00_mark_all_devices_lost(vha);
7394 
7395 	spin_lock_irqsave(&ha->vport_slock, flags);
7396 	list_for_each_entry(vp, &ha->vp_list, list) {
7397 		atomic_inc(&vp->vref_count);
7398 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7399 		qla2x00_mark_all_devices_lost(vp);
7400 		spin_lock_irqsave(&ha->vport_slock, flags);
7401 		atomic_dec(&vp->vref_count);
7402 	}
7403 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7404 
7405 	/* Clear all async request states across all VPs. */
7406 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7407 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7408 
7409 	spin_lock_irqsave(&ha->vport_slock, flags);
7410 	list_for_each_entry(vp, &ha->vp_list, list) {
7411 		atomic_inc(&vp->vref_count);
7412 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7413 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7414 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7415 		spin_lock_irqsave(&ha->vport_slock, flags);
7416 		atomic_dec(&vp->vref_count);
7417 	}
7418 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7419 }
7420 
7421 
7422 static pci_ers_result_t
7423 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7424 {
7425 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7426 	struct qla_hw_data *ha = vha->hw;
7427 	pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
7428 
7429 	ql_log(ql_log_warn, vha, 0x9000,
7430 	       "PCI error detected, state %x.\n", state);
7431 	ha->pci_error_state = QLA_PCI_ERR_DETECTED;
7432 
7433 	if (!atomic_read(&pdev->enable_cnt)) {
7434 		ql_log(ql_log_info, vha, 0xffff,
7435 			"PCI device is disabled,state %x\n", state);
7436 		ret = PCI_ERS_RESULT_NEED_RESET;
7437 		goto out;
7438 	}
7439 
7440 	switch (state) {
7441 	case pci_channel_io_normal:
7442 		ha->flags.eeh_busy = 0;
7443 		if (ql2xmqsupport || ql2xnvmeenable) {
7444 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7445 			qla2xxx_wake_dpc(vha);
7446 		}
7447 		ret = PCI_ERS_RESULT_CAN_RECOVER;
7448 		break;
7449 	case pci_channel_io_frozen:
7450 		qla_pci_set_eeh_busy(vha);
7451 		ret = PCI_ERS_RESULT_NEED_RESET;
7452 		break;
7453 	case pci_channel_io_perm_failure:
7454 		ha->flags.pci_channel_io_perm_failure = 1;
7455 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7456 		if (ql2xmqsupport || ql2xnvmeenable) {
7457 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7458 			qla2xxx_wake_dpc(vha);
7459 		}
7460 		ret = PCI_ERS_RESULT_DISCONNECT;
7461 	}
7462 out:
7463 	ql_dbg(ql_dbg_aer, vha, 0x600d,
7464 	       "PCI error detected returning [%x].\n", ret);
7465 	return ret;
7466 }
7467 
7468 static pci_ers_result_t
7469 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7470 {
7471 	int risc_paused = 0;
7472 	uint32_t stat;
7473 	unsigned long flags;
7474 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7475 	struct qla_hw_data *ha = base_vha->hw;
7476 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7477 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7478 
7479 	ql_log(ql_log_warn, base_vha, 0x9000,
7480 	       "mmio enabled\n");
7481 
7482 	ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
7483 	if (IS_QLA82XX(ha))
7484 		return PCI_ERS_RESULT_RECOVERED;
7485 
7486 	spin_lock_irqsave(&ha->hardware_lock, flags);
7487 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7488 		stat = rd_reg_word(&reg->hccr);
7489 		if (stat & HCCR_RISC_PAUSE)
7490 			risc_paused = 1;
7491 	} else if (IS_QLA23XX(ha)) {
7492 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7493 		if (stat & HSR_RISC_PAUSED)
7494 			risc_paused = 1;
7495 	} else if (IS_FWI2_CAPABLE(ha)) {
7496 		stat = rd_reg_dword(&reg24->host_status);
7497 		if (stat & HSRX_RISC_PAUSED)
7498 			risc_paused = 1;
7499 	}
7500 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7501 
7502 	if (risc_paused) {
7503 		ql_log(ql_log_info, base_vha, 0x9003,
7504 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7505 		qla2xxx_dump_fw(base_vha);
7506 	}
7507 	/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
7508 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7509 	       "mmio enabled returning.\n");
7510 	return PCI_ERS_RESULT_NEED_RESET;
7511 }
7512 
7513 static pci_ers_result_t
7514 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7515 {
7516 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7517 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7518 	struct qla_hw_data *ha = base_vha->hw;
7519 	int rc;
7520 	struct qla_qpair *qpair = NULL;
7521 
7522 	ql_log(ql_log_warn, base_vha, 0x9004,
7523 	       "Slot Reset.\n");
7524 
7525 	ha->pci_error_state = QLA_PCI_SLOT_RESET;
7526 	/* Workaround: qla2xxx driver which access hardware earlier
7527 	 * needs error state to be pci_channel_io_online.
7528 	 * Otherwise mailbox command timesout.
7529 	 */
7530 	pdev->error_state = pci_channel_io_normal;
7531 
7532 	pci_restore_state(pdev);
7533 
7534 	/* pci_restore_state() clears the saved_state flag of the device
7535 	 * save restored state which resets saved_state flag
7536 	 */
7537 	pci_save_state(pdev);
7538 
7539 	if (ha->mem_only)
7540 		rc = pci_enable_device_mem(pdev);
7541 	else
7542 		rc = pci_enable_device(pdev);
7543 
7544 	if (rc) {
7545 		ql_log(ql_log_warn, base_vha, 0x9005,
7546 		    "Can't re-enable PCI device after reset.\n");
7547 		goto exit_slot_reset;
7548 	}
7549 
7550 
7551 	if (ha->isp_ops->pci_config(base_vha))
7552 		goto exit_slot_reset;
7553 
7554 	mutex_lock(&ha->mq_lock);
7555 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7556 		qpair->online = 1;
7557 	mutex_unlock(&ha->mq_lock);
7558 
7559 	ha->flags.eeh_busy = 0;
7560 	base_vha->flags.online = 1;
7561 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7562 	ha->isp_ops->abort_isp(base_vha);
7563 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7564 
7565 	if (qla2x00_isp_reg_stat(ha)) {
7566 		ha->flags.eeh_busy = 1;
7567 		qla_pci_error_cleanup(base_vha);
7568 		ql_log(ql_log_warn, base_vha, 0x9005,
7569 		       "Device unable to recover from PCI error.\n");
7570 	} else {
7571 		ret =  PCI_ERS_RESULT_RECOVERED;
7572 	}
7573 
7574 exit_slot_reset:
7575 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7576 	    "Slot Reset returning %x.\n", ret);
7577 
7578 	return ret;
7579 }
7580 
7581 static void
7582 qla2xxx_pci_resume(struct pci_dev *pdev)
7583 {
7584 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7585 	struct qla_hw_data *ha = base_vha->hw;
7586 	int ret;
7587 
7588 	ql_log(ql_log_warn, base_vha, 0x900f,
7589 	       "Pci Resume.\n");
7590 
7591 
7592 	ret = qla2x00_wait_for_hba_online(base_vha);
7593 	if (ret != QLA_SUCCESS) {
7594 		ql_log(ql_log_fatal, base_vha, 0x9002,
7595 		    "The device failed to resume I/O from slot/link_reset.\n");
7596 	}
7597 	ha->pci_error_state = QLA_PCI_RESUME;
7598 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7599 	       "Pci Resume returning.\n");
7600 }
7601 
7602 void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
7603 {
7604 	struct qla_hw_data *ha = vha->hw;
7605 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7606 	bool do_cleanup = false;
7607 	unsigned long flags;
7608 
7609 	if (ha->flags.eeh_busy)
7610 		return;
7611 
7612 	spin_lock_irqsave(&base_vha->work_lock, flags);
7613 	if (!ha->flags.eeh_busy) {
7614 		ha->flags.eeh_busy = 1;
7615 		do_cleanup = true;
7616 	}
7617 	spin_unlock_irqrestore(&base_vha->work_lock, flags);
7618 
7619 	if (do_cleanup)
7620 		qla_pci_error_cleanup(base_vha);
7621 }
7622 
7623 /*
7624  * this routine will schedule a task to pause IO from interrupt context
7625  * if caller sees a PCIE error event (register read = 0xf's)
7626  */
7627 void qla_schedule_eeh_work(struct scsi_qla_host *vha)
7628 {
7629 	struct qla_hw_data *ha = vha->hw;
7630 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7631 
7632 	if (ha->flags.eeh_busy)
7633 		return;
7634 
7635 	set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
7636 	qla2xxx_wake_dpc(base_vha);
7637 }
7638 
7639 static void
7640 qla_pci_reset_prepare(struct pci_dev *pdev)
7641 {
7642 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7643 	struct qla_hw_data *ha = base_vha->hw;
7644 	struct qla_qpair *qpair;
7645 
7646 	ql_log(ql_log_warn, base_vha, 0xffff,
7647 	    "%s.\n", __func__);
7648 
7649 	/*
7650 	 * PCI FLR/function reset is about to reset the
7651 	 * slot. Stop the chip to stop all DMA access.
7652 	 * It is assumed that pci_reset_done will be called
7653 	 * after FLR to resume Chip operation.
7654 	 */
7655 	ha->flags.eeh_busy = 1;
7656 	mutex_lock(&ha->mq_lock);
7657 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7658 		qpair->online = 0;
7659 	mutex_unlock(&ha->mq_lock);
7660 
7661 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7662 	qla2x00_abort_isp_cleanup(base_vha);
7663 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7664 }
7665 
7666 static void
7667 qla_pci_reset_done(struct pci_dev *pdev)
7668 {
7669 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7670 	struct qla_hw_data *ha = base_vha->hw;
7671 	struct qla_qpair *qpair;
7672 
7673 	ql_log(ql_log_warn, base_vha, 0xffff,
7674 	    "%s.\n", __func__);
7675 
7676 	/*
7677 	 * FLR just completed by PCI layer. Resume adapter
7678 	 */
7679 	ha->flags.eeh_busy = 0;
7680 	mutex_lock(&ha->mq_lock);
7681 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7682 		qpair->online = 1;
7683 	mutex_unlock(&ha->mq_lock);
7684 
7685 	base_vha->flags.online = 1;
7686 	ha->isp_ops->abort_isp(base_vha);
7687 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7688 }
7689 
7690 static int qla2xxx_map_queues(struct Scsi_Host *shost)
7691 {
7692 	int rc;
7693 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
7694 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
7695 
7696 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
7697 		rc = blk_mq_map_queues(qmap);
7698 	else
7699 		rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
7700 	return rc;
7701 }
7702 
7703 struct scsi_host_template qla2xxx_driver_template = {
7704 	.module			= THIS_MODULE,
7705 	.name			= QLA2XXX_DRIVER_NAME,
7706 	.queuecommand		= qla2xxx_queuecommand,
7707 
7708 	.eh_timed_out		= fc_eh_timed_out,
7709 	.eh_abort_handler	= qla2xxx_eh_abort,
7710 	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
7711 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
7712 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
7713 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
7714 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
7715 
7716 	.slave_configure	= qla2xxx_slave_configure,
7717 
7718 	.slave_alloc		= qla2xxx_slave_alloc,
7719 	.slave_destroy		= qla2xxx_slave_destroy,
7720 	.scan_finished		= qla2xxx_scan_finished,
7721 	.scan_start		= qla2xxx_scan_start,
7722 	.change_queue_depth	= scsi_change_queue_depth,
7723 	.map_queues             = qla2xxx_map_queues,
7724 	.this_id		= -1,
7725 	.cmd_per_lun		= 3,
7726 	.sg_tablesize		= SG_ALL,
7727 
7728 	.max_sectors		= 0xFFFF,
7729 	.shost_attrs		= qla2x00_host_attrs,
7730 
7731 	.supported_mode		= MODE_INITIATOR,
7732 	.track_queue_depth	= 1,
7733 	.cmd_size		= sizeof(srb_t),
7734 };
7735 
7736 static const struct pci_error_handlers qla2xxx_err_handler = {
7737 	.error_detected = qla2xxx_pci_error_detected,
7738 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
7739 	.slot_reset = qla2xxx_pci_slot_reset,
7740 	.resume = qla2xxx_pci_resume,
7741 	.reset_prepare = qla_pci_reset_prepare,
7742 	.reset_done = qla_pci_reset_done,
7743 };
7744 
7745 static struct pci_device_id qla2xxx_pci_tbl[] = {
7746 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
7747 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
7748 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
7749 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
7750 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
7751 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
7752 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
7753 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
7754 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
7755 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
7756 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
7757 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
7758 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
7759 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
7760 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
7761 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
7762 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
7763 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
7764 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
7765 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
7766 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
7767 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
7768 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
7769 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
7770 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
7771 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
7772 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
7773 	{ 0 },
7774 };
7775 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
7776 
7777 static struct pci_driver qla2xxx_pci_driver = {
7778 	.name		= QLA2XXX_DRIVER_NAME,
7779 	.driver		= {
7780 		.owner		= THIS_MODULE,
7781 	},
7782 	.id_table	= qla2xxx_pci_tbl,
7783 	.probe		= qla2x00_probe_one,
7784 	.remove		= qla2x00_remove_one,
7785 	.shutdown	= qla2x00_shutdown,
7786 	.err_handler	= &qla2xxx_err_handler,
7787 };
7788 
7789 static const struct file_operations apidev_fops = {
7790 	.owner = THIS_MODULE,
7791 	.llseek = noop_llseek,
7792 };
7793 
7794 /**
7795  * qla2x00_module_init - Module initialization.
7796  **/
7797 static int __init
7798 qla2x00_module_init(void)
7799 {
7800 	int ret = 0;
7801 
7802 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
7803 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
7804 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
7805 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
7806 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
7807 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
7808 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
7809 	BUILD_BUG_ON(sizeof(request_t) != 64);
7810 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
7811 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
7812 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
7813 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
7814 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
7815 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
7816 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
7817 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
7818 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
7819 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
7820 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
7821 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
7822 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2344);
7823 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
7824 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
7825 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
7826 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
7827 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
7828 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
7829 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
7830 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
7831 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
7832 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
7833 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
7834 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
7835 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
7836 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
7837 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
7838 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
7839 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
7840 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
7841 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
7842 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
7843 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
7844 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
7845 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
7846 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
7847 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
7848 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
7849 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
7850 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
7851 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
7852 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
7853 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
7854 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
7855 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
7856 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
7857 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
7858 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
7859 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
7860 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
7861 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
7862 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
7863 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
7864 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
7865 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
7866 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
7867 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
7868 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
7869 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
7870 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
7871 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
7872 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
7873 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
7874 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
7875 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
7876 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
7877 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
7878 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
7879 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
7880 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
7881 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
7882 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
7883 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
7884 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
7885 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
7886 
7887 	/* Allocate cache for SRBs. */
7888 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7889 	    SLAB_HWCACHE_ALIGN, NULL);
7890 	if (srb_cachep == NULL) {
7891 		ql_log(ql_log_fatal, NULL, 0x0001,
7892 		    "Unable to allocate SRB cache...Failing load!.\n");
7893 		return -ENOMEM;
7894 	}
7895 
7896 	/* Initialize target kmem_cache and mem_pools */
7897 	ret = qlt_init();
7898 	if (ret < 0) {
7899 		goto destroy_cache;
7900 	} else if (ret > 0) {
7901 		/*
7902 		 * If initiator mode is explictly disabled by qlt_init(),
7903 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7904 		 * performing scsi_scan_target() during LOOP UP event.
7905 		 */
7906 		qla2xxx_transport_functions.disable_target_scan = 1;
7907 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
7908 	}
7909 
7910 	/* Derive version string. */
7911 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7912 	if (ql2xextended_error_logging)
7913 		strcat(qla2x00_version_str, "-debug");
7914 	if (ql2xextended_error_logging == 1)
7915 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7916 
7917 	if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7918 		qla_insert_tgt_attrs();
7919 
7920 	qla2xxx_transport_template =
7921 	    fc_attach_transport(&qla2xxx_transport_functions);
7922 	if (!qla2xxx_transport_template) {
7923 		ql_log(ql_log_fatal, NULL, 0x0002,
7924 		    "fc_attach_transport failed...Failing load!.\n");
7925 		ret = -ENODEV;
7926 		goto qlt_exit;
7927 	}
7928 
7929 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7930 	if (apidev_major < 0) {
7931 		ql_log(ql_log_fatal, NULL, 0x0003,
7932 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7933 	}
7934 
7935 	qla2xxx_transport_vport_template =
7936 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
7937 	if (!qla2xxx_transport_vport_template) {
7938 		ql_log(ql_log_fatal, NULL, 0x0004,
7939 		    "fc_attach_transport vport failed...Failing load!.\n");
7940 		ret = -ENODEV;
7941 		goto unreg_chrdev;
7942 	}
7943 	ql_log(ql_log_info, NULL, 0x0005,
7944 	    "QLogic Fibre Channel HBA Driver: %s.\n",
7945 	    qla2x00_version_str);
7946 	ret = pci_register_driver(&qla2xxx_pci_driver);
7947 	if (ret) {
7948 		ql_log(ql_log_fatal, NULL, 0x0006,
7949 		    "pci_register_driver failed...ret=%d Failing load!.\n",
7950 		    ret);
7951 		goto release_vport_transport;
7952 	}
7953 	return ret;
7954 
7955 release_vport_transport:
7956 	fc_release_transport(qla2xxx_transport_vport_template);
7957 
7958 unreg_chrdev:
7959 	if (apidev_major >= 0)
7960 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7961 	fc_release_transport(qla2xxx_transport_template);
7962 
7963 qlt_exit:
7964 	qlt_exit();
7965 
7966 destroy_cache:
7967 	kmem_cache_destroy(srb_cachep);
7968 	return ret;
7969 }
7970 
7971 /**
7972  * qla2x00_module_exit - Module cleanup.
7973  **/
7974 static void __exit
7975 qla2x00_module_exit(void)
7976 {
7977 	pci_unregister_driver(&qla2xxx_pci_driver);
7978 	qla2x00_release_firmware();
7979 	kmem_cache_destroy(ctx_cachep);
7980 	fc_release_transport(qla2xxx_transport_vport_template);
7981 	if (apidev_major >= 0)
7982 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7983 	fc_release_transport(qla2xxx_transport_template);
7984 	qlt_exit();
7985 	kmem_cache_destroy(srb_cachep);
7986 }
7987 
7988 module_init(qla2x00_module_init);
7989 module_exit(qla2x00_module_exit);
7990 
7991 MODULE_AUTHOR("QLogic Corporation");
7992 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7993 MODULE_LICENSE("GPL");
7994 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7995 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7996 MODULE_FIRMWARE(FW_FILE_ISP2300);
7997 MODULE_FIRMWARE(FW_FILE_ISP2322);
7998 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7999 MODULE_FIRMWARE(FW_FILE_ISP25XX);
8000