xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 150b2e86)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16 #include <linux/blk-mq-pci.h>
17 #include <linux/refcount.h>
18 
19 #include <scsi/scsi_tcq.h>
20 #include <scsi/scsicam.h>
21 #include <scsi/scsi_transport.h>
22 #include <scsi/scsi_transport_fc.h>
23 
24 #include "qla_target.h"
25 
26 /*
27  * Driver version
28  */
29 char qla2x00_version_str[40];
30 
31 static int apidev_major;
32 
33 /*
34  * SRB allocation cache
35  */
36 struct kmem_cache *srb_cachep;
37 
38 int ql2xfulldump_on_mpifail;
39 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
40 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
41 		 "Set this to take full dump on MPI hang.");
42 
43 /*
44  * CT6 CTX allocation cache
45  */
46 static struct kmem_cache *ctx_cachep;
47 /*
48  * error level for logging
49  */
50 uint ql_errlev = 0x8001;
51 
52 static int ql2xenableclass2;
53 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
54 MODULE_PARM_DESC(ql2xenableclass2,
55 		"Specify if Class 2 operations are supported from the very "
56 		"beginning. Default is 0 - class 2 not supported.");
57 
58 
59 int ql2xlogintimeout = 20;
60 module_param(ql2xlogintimeout, int, S_IRUGO);
61 MODULE_PARM_DESC(ql2xlogintimeout,
62 		"Login timeout value in seconds.");
63 
64 int qlport_down_retry;
65 module_param(qlport_down_retry, int, S_IRUGO);
66 MODULE_PARM_DESC(qlport_down_retry,
67 		"Maximum number of command retries to a port that returns "
68 		"a PORT-DOWN status.");
69 
70 int ql2xplogiabsentdevice;
71 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
72 MODULE_PARM_DESC(ql2xplogiabsentdevice,
73 		"Option to enable PLOGI to devices that are not present after "
74 		"a Fabric scan.  This is needed for several broken switches. "
75 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
76 
77 int ql2xloginretrycount;
78 module_param(ql2xloginretrycount, int, S_IRUGO);
79 MODULE_PARM_DESC(ql2xloginretrycount,
80 		"Specify an alternate value for the NVRAM login retry count.");
81 
82 int ql2xallocfwdump = 1;
83 module_param(ql2xallocfwdump, int, S_IRUGO);
84 MODULE_PARM_DESC(ql2xallocfwdump,
85 		"Option to enable allocation of memory for a firmware dump "
86 		"during HBA initialization.  Memory allocation requirements "
87 		"vary by ISP type.  Default is 1 - allocate memory.");
88 
89 int ql2xextended_error_logging;
90 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
91 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
92 MODULE_PARM_DESC(ql2xextended_error_logging,
93 		"Option to enable extended error logging,\n"
94 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
95 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
96 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
97 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
98 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
99 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
100 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
101 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
102 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
103 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
104 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
105 		"\t\t0x1e400000 - Preferred value for capturing essential "
106 		"debug information (equivalent to old "
107 		"ql2xextended_error_logging=1).\n"
108 		"\t\tDo LOGICAL OR of the value to enable more than one level");
109 
110 int ql2xshiftctondsd = 6;
111 module_param(ql2xshiftctondsd, int, S_IRUGO);
112 MODULE_PARM_DESC(ql2xshiftctondsd,
113 		"Set to control shifting of command type processing "
114 		"based on total number of SG elements.");
115 
116 int ql2xfdmienable = 1;
117 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
118 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
119 MODULE_PARM_DESC(ql2xfdmienable,
120 		"Enables FDMI registrations. "
121 		"0 - no FDMI registrations. "
122 		"1 - provide FDMI registrations (default).");
123 
124 #define MAX_Q_DEPTH	64
125 static int ql2xmaxqdepth = MAX_Q_DEPTH;
126 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
127 MODULE_PARM_DESC(ql2xmaxqdepth,
128 		"Maximum queue depth to set for each LUN. "
129 		"Default is 64.");
130 
131 int ql2xenabledif = 2;
132 module_param(ql2xenabledif, int, S_IRUGO);
133 MODULE_PARM_DESC(ql2xenabledif,
134 		" Enable T10-CRC-DIF:\n"
135 		" Default is 2.\n"
136 		"  0 -- No DIF Support\n"
137 		"  1 -- Enable DIF for all types\n"
138 		"  2 -- Enable DIF for all types, except Type 0.\n");
139 
140 #if (IS_ENABLED(CONFIG_NVME_FC))
141 int ql2xnvmeenable = 1;
142 #else
143 int ql2xnvmeenable;
144 #endif
145 module_param(ql2xnvmeenable, int, 0644);
146 MODULE_PARM_DESC(ql2xnvmeenable,
147     "Enables NVME support. "
148     "0 - no NVMe.  Default is Y");
149 
150 int ql2xenablehba_err_chk = 2;
151 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
152 MODULE_PARM_DESC(ql2xenablehba_err_chk,
153 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
154 		" Default is 2.\n"
155 		"  0 -- Error isolation disabled\n"
156 		"  1 -- Error isolation enabled only for DIX Type 0\n"
157 		"  2 -- Error isolation enabled for all Types\n");
158 
159 int ql2xiidmaenable = 1;
160 module_param(ql2xiidmaenable, int, S_IRUGO);
161 MODULE_PARM_DESC(ql2xiidmaenable,
162 		"Enables iIDMA settings "
163 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
164 
165 int ql2xmqsupport = 1;
166 module_param(ql2xmqsupport, int, S_IRUGO);
167 MODULE_PARM_DESC(ql2xmqsupport,
168 		"Enable on demand multiple queue pairs support "
169 		"Default is 1 for supported. "
170 		"Set it to 0 to turn off mq qpair support.");
171 
172 int ql2xfwloadbin;
173 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
174 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
175 MODULE_PARM_DESC(ql2xfwloadbin,
176 		"Option to specify location from which to load ISP firmware:.\n"
177 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
178 		"      interface.\n"
179 		" 1 -- load firmware from flash.\n"
180 		" 0 -- use default semantics.\n");
181 
182 int ql2xetsenable;
183 module_param(ql2xetsenable, int, S_IRUGO);
184 MODULE_PARM_DESC(ql2xetsenable,
185 		"Enables firmware ETS burst."
186 		"Default is 0 - skip ETS enablement.");
187 
188 int ql2xdbwr = 1;
189 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
190 MODULE_PARM_DESC(ql2xdbwr,
191 		"Option to specify scheme for request queue posting.\n"
192 		" 0 -- Regular doorbell.\n"
193 		" 1 -- CAMRAM doorbell (faster).\n");
194 
195 int ql2xtargetreset = 1;
196 module_param(ql2xtargetreset, int, S_IRUGO);
197 MODULE_PARM_DESC(ql2xtargetreset,
198 		 "Enable target reset."
199 		 "Default is 1 - use hw defaults.");
200 
201 int ql2xgffidenable;
202 module_param(ql2xgffidenable, int, S_IRUGO);
203 MODULE_PARM_DESC(ql2xgffidenable,
204 		"Enables GFF_ID checks of port type. "
205 		"Default is 0 - Do not use GFF_ID information.");
206 
207 int ql2xasynctmfenable = 1;
208 module_param(ql2xasynctmfenable, int, S_IRUGO);
209 MODULE_PARM_DESC(ql2xasynctmfenable,
210 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
211 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
212 
213 int ql2xdontresethba;
214 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
215 MODULE_PARM_DESC(ql2xdontresethba,
216 		"Option to specify reset behaviour.\n"
217 		" 0 (Default) -- Reset on failure.\n"
218 		" 1 -- Do not reset on failure.\n");
219 
220 uint64_t ql2xmaxlun = MAX_LUNS;
221 module_param(ql2xmaxlun, ullong, S_IRUGO);
222 MODULE_PARM_DESC(ql2xmaxlun,
223 		"Defines the maximum LU number to register with the SCSI "
224 		"midlayer. Default is 65535.");
225 
226 int ql2xmdcapmask = 0x1F;
227 module_param(ql2xmdcapmask, int, S_IRUGO);
228 MODULE_PARM_DESC(ql2xmdcapmask,
229 		"Set the Minidump driver capture mask level. "
230 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
231 
232 int ql2xmdenable = 1;
233 module_param(ql2xmdenable, int, S_IRUGO);
234 MODULE_PARM_DESC(ql2xmdenable,
235 		"Enable/disable MiniDump. "
236 		"0 - MiniDump disabled. "
237 		"1 (Default) - MiniDump enabled.");
238 
239 int ql2xexlogins;
240 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
241 MODULE_PARM_DESC(ql2xexlogins,
242 		 "Number of extended Logins. "
243 		 "0 (Default)- Disabled.");
244 
245 int ql2xexchoffld = 1024;
246 module_param(ql2xexchoffld, uint, 0644);
247 MODULE_PARM_DESC(ql2xexchoffld,
248 	"Number of target exchanges.");
249 
250 int ql2xiniexchg = 1024;
251 module_param(ql2xiniexchg, uint, 0644);
252 MODULE_PARM_DESC(ql2xiniexchg,
253 	"Number of initiator exchanges.");
254 
255 int ql2xfwholdabts;
256 module_param(ql2xfwholdabts, int, S_IRUGO);
257 MODULE_PARM_DESC(ql2xfwholdabts,
258 		"Allow FW to hold status IOCB until ABTS rsp received. "
259 		"0 (Default) Do not set fw option. "
260 		"1 - Set fw option to hold ABTS.");
261 
262 int ql2xmvasynctoatio = 1;
263 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
264 MODULE_PARM_DESC(ql2xmvasynctoatio,
265 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
266 		"0 (Default). Do not move IOCBs"
267 		"1 - Move IOCBs.");
268 
269 int ql2xautodetectsfp = 1;
270 module_param(ql2xautodetectsfp, int, 0444);
271 MODULE_PARM_DESC(ql2xautodetectsfp,
272 		 "Detect SFP range and set appropriate distance.\n"
273 		 "1 (Default): Enable\n");
274 
275 int ql2xenablemsix = 1;
276 module_param(ql2xenablemsix, int, 0444);
277 MODULE_PARM_DESC(ql2xenablemsix,
278 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
279 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
280 		 " 0 -- enable traditional pin-based mechanism.\n"
281 		 " 1 -- enable MSI-X interrupt mechanism.\n"
282 		 " 2 -- enable MSI interrupt mechanism.\n");
283 
284 int qla2xuseresexchforels;
285 module_param(qla2xuseresexchforels, int, 0444);
286 MODULE_PARM_DESC(qla2xuseresexchforels,
287 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
288 		 " 0 (default): disabled");
289 
290 static int ql2xprotmask;
291 module_param(ql2xprotmask, int, 0644);
292 MODULE_PARM_DESC(ql2xprotmask,
293 		 "Override DIF/DIX protection capabilities mask\n"
294 		 "Default is 0 which sets protection mask based on "
295 		 "capabilities reported by HBA firmware.\n");
296 
297 static int ql2xprotguard;
298 module_param(ql2xprotguard, int, 0644);
299 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
300 		 "  0 -- Let HBA firmware decide\n"
301 		 "  1 -- Force T10 CRC\n"
302 		 "  2 -- Force IP checksum\n");
303 
304 int ql2xdifbundlinginternalbuffers;
305 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
306 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
307     "Force using internal buffers for DIF information\n"
308     "0 (Default). Based on check.\n"
309     "1 Force using internal buffers\n");
310 
311 int ql2xsmartsan;
312 module_param(ql2xsmartsan, int, 0444);
313 module_param_named(smartsan, ql2xsmartsan, int, 0444);
314 MODULE_PARM_DESC(ql2xsmartsan,
315 		"Send SmartSAN Management Attributes for FDMI Registration."
316 		" Default is 0 - No SmartSAN registration,"
317 		" 1 - Register SmartSAN Management Attributes.");
318 
319 int ql2xrdpenable;
320 module_param(ql2xrdpenable, int, 0444);
321 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
322 MODULE_PARM_DESC(ql2xrdpenable,
323 		"Enables RDP responses. "
324 		"0 - no RDP responses (default). "
325 		"1 - provide RDP responses.");
326 
327 static void qla2x00_clear_drv_active(struct qla_hw_data *);
328 static void qla2x00_free_device(scsi_qla_host_t *);
329 static int qla2xxx_map_queues(struct Scsi_Host *shost);
330 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
331 
332 
333 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
334 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
335 
336 /* TODO Convert to inlines
337  *
338  * Timer routines
339  */
340 
341 __inline__ void
342 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
343 {
344 	timer_setup(&vha->timer, qla2x00_timer, 0);
345 	vha->timer.expires = jiffies + interval * HZ;
346 	add_timer(&vha->timer);
347 	vha->timer_active = 1;
348 }
349 
350 static inline void
351 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
352 {
353 	/* Currently used for 82XX only. */
354 	if (vha->device_flags & DFLG_DEV_FAILED) {
355 		ql_dbg(ql_dbg_timer, vha, 0x600d,
356 		    "Device in a failed state, returning.\n");
357 		return;
358 	}
359 
360 	mod_timer(&vha->timer, jiffies + interval * HZ);
361 }
362 
363 static __inline__ void
364 qla2x00_stop_timer(scsi_qla_host_t *vha)
365 {
366 	del_timer_sync(&vha->timer);
367 	vha->timer_active = 0;
368 }
369 
370 static int qla2x00_do_dpc(void *data);
371 
372 static void qla2x00_rst_aen(scsi_qla_host_t *);
373 
374 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
375 	struct req_que **, struct rsp_que **);
376 static void qla2x00_free_fw_dump(struct qla_hw_data *);
377 static void qla2x00_mem_free(struct qla_hw_data *);
378 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
379 	struct qla_qpair *qpair);
380 
381 /* -------------------------------------------------------------------------- */
382 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
383     struct rsp_que *rsp)
384 {
385 	struct qla_hw_data *ha = vha->hw;
386 
387 	rsp->qpair = ha->base_qpair;
388 	rsp->req = req;
389 	ha->base_qpair->hw = ha;
390 	ha->base_qpair->req = req;
391 	ha->base_qpair->rsp = rsp;
392 	ha->base_qpair->vha = vha;
393 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
394 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
395 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
396 	ha->base_qpair->srb_mempool = ha->srb_mempool;
397 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
398 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
399 	/* init qpair to this cpu. Will adjust at run time. */
400 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
401 	ha->base_qpair->pdev = ha->pdev;
402 
403 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
404 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
405 }
406 
407 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
408 				struct rsp_que *rsp)
409 {
410 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
411 
412 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
413 				GFP_KERNEL);
414 	if (!ha->req_q_map) {
415 		ql_log(ql_log_fatal, vha, 0x003b,
416 		    "Unable to allocate memory for request queue ptrs.\n");
417 		goto fail_req_map;
418 	}
419 
420 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
421 				GFP_KERNEL);
422 	if (!ha->rsp_q_map) {
423 		ql_log(ql_log_fatal, vha, 0x003c,
424 		    "Unable to allocate memory for response queue ptrs.\n");
425 		goto fail_rsp_map;
426 	}
427 
428 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
429 	if (ha->base_qpair == NULL) {
430 		ql_log(ql_log_warn, vha, 0x00e0,
431 		    "Failed to allocate base queue pair memory.\n");
432 		goto fail_base_qpair;
433 	}
434 
435 	qla_init_base_qpair(vha, req, rsp);
436 
437 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
438 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
439 			GFP_KERNEL);
440 		if (!ha->queue_pair_map) {
441 			ql_log(ql_log_fatal, vha, 0x0180,
442 			    "Unable to allocate memory for queue pair ptrs.\n");
443 			goto fail_qpair_map;
444 		}
445 	}
446 
447 	/*
448 	 * Make sure we record at least the request and response queue zero in
449 	 * case we need to free them if part of the probe fails.
450 	 */
451 	ha->rsp_q_map[0] = rsp;
452 	ha->req_q_map[0] = req;
453 	set_bit(0, ha->rsp_qid_map);
454 	set_bit(0, ha->req_qid_map);
455 	return 0;
456 
457 fail_qpair_map:
458 	kfree(ha->base_qpair);
459 	ha->base_qpair = NULL;
460 fail_base_qpair:
461 	kfree(ha->rsp_q_map);
462 	ha->rsp_q_map = NULL;
463 fail_rsp_map:
464 	kfree(ha->req_q_map);
465 	ha->req_q_map = NULL;
466 fail_req_map:
467 	return -ENOMEM;
468 }
469 
470 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
471 {
472 	if (IS_QLAFX00(ha)) {
473 		if (req && req->ring_fx00)
474 			dma_free_coherent(&ha->pdev->dev,
475 			    (req->length_fx00 + 1) * sizeof(request_t),
476 			    req->ring_fx00, req->dma_fx00);
477 	} else if (req && req->ring)
478 		dma_free_coherent(&ha->pdev->dev,
479 		(req->length + 1) * sizeof(request_t),
480 		req->ring, req->dma);
481 
482 	if (req)
483 		kfree(req->outstanding_cmds);
484 
485 	kfree(req);
486 }
487 
488 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
489 {
490 	if (IS_QLAFX00(ha)) {
491 		if (rsp && rsp->ring_fx00)
492 			dma_free_coherent(&ha->pdev->dev,
493 			    (rsp->length_fx00 + 1) * sizeof(request_t),
494 			    rsp->ring_fx00, rsp->dma_fx00);
495 	} else if (rsp && rsp->ring) {
496 		dma_free_coherent(&ha->pdev->dev,
497 		(rsp->length + 1) * sizeof(response_t),
498 		rsp->ring, rsp->dma);
499 	}
500 	kfree(rsp);
501 }
502 
503 static void qla2x00_free_queues(struct qla_hw_data *ha)
504 {
505 	struct req_que *req;
506 	struct rsp_que *rsp;
507 	int cnt;
508 	unsigned long flags;
509 
510 	if (ha->queue_pair_map) {
511 		kfree(ha->queue_pair_map);
512 		ha->queue_pair_map = NULL;
513 	}
514 	if (ha->base_qpair) {
515 		kfree(ha->base_qpair);
516 		ha->base_qpair = NULL;
517 	}
518 
519 	spin_lock_irqsave(&ha->hardware_lock, flags);
520 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
521 		if (!test_bit(cnt, ha->req_qid_map))
522 			continue;
523 
524 		req = ha->req_q_map[cnt];
525 		clear_bit(cnt, ha->req_qid_map);
526 		ha->req_q_map[cnt] = NULL;
527 
528 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
529 		qla2x00_free_req_que(ha, req);
530 		spin_lock_irqsave(&ha->hardware_lock, flags);
531 	}
532 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
533 
534 	kfree(ha->req_q_map);
535 	ha->req_q_map = NULL;
536 
537 
538 	spin_lock_irqsave(&ha->hardware_lock, flags);
539 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
540 		if (!test_bit(cnt, ha->rsp_qid_map))
541 			continue;
542 
543 		rsp = ha->rsp_q_map[cnt];
544 		clear_bit(cnt, ha->rsp_qid_map);
545 		ha->rsp_q_map[cnt] =  NULL;
546 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
547 		qla2x00_free_rsp_que(ha, rsp);
548 		spin_lock_irqsave(&ha->hardware_lock, flags);
549 	}
550 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
551 
552 	kfree(ha->rsp_q_map);
553 	ha->rsp_q_map = NULL;
554 }
555 
556 static char *
557 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
558 {
559 	struct qla_hw_data *ha = vha->hw;
560 	static const char *const pci_bus_modes[] = {
561 		"33", "66", "100", "133",
562 	};
563 	uint16_t pci_bus;
564 
565 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
566 	if (pci_bus) {
567 		snprintf(str, str_len, "PCI-X (%s MHz)",
568 			 pci_bus_modes[pci_bus]);
569 	} else {
570 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
571 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
572 	}
573 
574 	return str;
575 }
576 
577 static char *
578 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
579 {
580 	static const char *const pci_bus_modes[] = {
581 		"33", "66", "100", "133",
582 	};
583 	struct qla_hw_data *ha = vha->hw;
584 	uint32_t pci_bus;
585 
586 	if (pci_is_pcie(ha->pdev)) {
587 		uint32_t lstat, lspeed, lwidth;
588 		const char *speed_str;
589 
590 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
591 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
592 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
593 
594 		switch (lspeed) {
595 		case 1:
596 			speed_str = "2.5GT/s";
597 			break;
598 		case 2:
599 			speed_str = "5.0GT/s";
600 			break;
601 		case 3:
602 			speed_str = "8.0GT/s";
603 			break;
604 		case 4:
605 			speed_str = "16.0GT/s";
606 			break;
607 		default:
608 			speed_str = "<unknown>";
609 			break;
610 		}
611 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
612 
613 		return str;
614 	}
615 
616 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
617 	if (pci_bus == 0 || pci_bus == 8)
618 		snprintf(str, str_len, "PCI (%s MHz)",
619 			 pci_bus_modes[pci_bus >> 3]);
620 	else
621 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
622 			 pci_bus & 4 ? 2 : 1,
623 			 pci_bus_modes[pci_bus & 3]);
624 
625 	return str;
626 }
627 
628 static char *
629 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
630 {
631 	char un_str[10];
632 	struct qla_hw_data *ha = vha->hw;
633 
634 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
635 	    ha->fw_minor_version, ha->fw_subminor_version);
636 
637 	if (ha->fw_attributes & BIT_9) {
638 		strcat(str, "FLX");
639 		return (str);
640 	}
641 
642 	switch (ha->fw_attributes & 0xFF) {
643 	case 0x7:
644 		strcat(str, "EF");
645 		break;
646 	case 0x17:
647 		strcat(str, "TP");
648 		break;
649 	case 0x37:
650 		strcat(str, "IP");
651 		break;
652 	case 0x77:
653 		strcat(str, "VI");
654 		break;
655 	default:
656 		sprintf(un_str, "(%x)", ha->fw_attributes);
657 		strcat(str, un_str);
658 		break;
659 	}
660 	if (ha->fw_attributes & 0x100)
661 		strcat(str, "X");
662 
663 	return (str);
664 }
665 
666 static char *
667 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
668 {
669 	struct qla_hw_data *ha = vha->hw;
670 
671 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
672 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
673 	return str;
674 }
675 
676 void qla2x00_sp_free_dma(srb_t *sp)
677 {
678 	struct qla_hw_data *ha = sp->vha->hw;
679 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
680 
681 	if (sp->flags & SRB_DMA_VALID) {
682 		scsi_dma_unmap(cmd);
683 		sp->flags &= ~SRB_DMA_VALID;
684 	}
685 
686 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
687 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
688 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
689 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
690 	}
691 
692 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
693 		/* List assured to be having elements */
694 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
695 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
696 	}
697 
698 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
699 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
700 
701 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
702 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
703 	}
704 
705 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
706 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
707 
708 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
709 		    ctx1->fcp_cmnd_dma);
710 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
711 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
712 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
713 		mempool_free(ctx1, ha->ctx_mempool);
714 	}
715 }
716 
717 void qla2x00_sp_compl(srb_t *sp, int res)
718 {
719 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
720 	struct completion *comp = sp->comp;
721 
722 	sp->free(sp);
723 	cmd->result = res;
724 	CMD_SP(cmd) = NULL;
725 	cmd->scsi_done(cmd);
726 	if (comp)
727 		complete(comp);
728 }
729 
730 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
731 {
732 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
733 	struct qla_hw_data *ha = sp->fcport->vha->hw;
734 
735 	if (sp->flags & SRB_DMA_VALID) {
736 		scsi_dma_unmap(cmd);
737 		sp->flags &= ~SRB_DMA_VALID;
738 	}
739 
740 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
741 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
742 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
743 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
744 	}
745 
746 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
747 		/* List assured to be having elements */
748 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
749 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
750 	}
751 
752 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
753 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
754 		struct dsd_dma *dif_dsd, *nxt_dsd;
755 
756 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
757 		    &difctx->ldif_dma_hndl_list, list) {
758 			list_del(&dif_dsd->list);
759 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
760 			    dif_dsd->dsd_list_dma);
761 			kfree(dif_dsd);
762 			difctx->no_dif_bundl--;
763 		}
764 
765 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
766 		    &difctx->ldif_dsd_list, list) {
767 			list_del(&dif_dsd->list);
768 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
769 			    dif_dsd->dsd_list_dma);
770 			kfree(dif_dsd);
771 			difctx->no_ldif_dsd--;
772 		}
773 
774 		if (difctx->no_ldif_dsd) {
775 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
776 			    "%s: difctx->no_ldif_dsd=%x\n",
777 			    __func__, difctx->no_ldif_dsd);
778 		}
779 
780 		if (difctx->no_dif_bundl) {
781 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
782 			    "%s: difctx->no_dif_bundl=%x\n",
783 			    __func__, difctx->no_dif_bundl);
784 		}
785 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
786 	}
787 
788 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
789 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
790 
791 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
792 		    ctx1->fcp_cmnd_dma);
793 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
794 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
795 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
796 		mempool_free(ctx1, ha->ctx_mempool);
797 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
798 	}
799 
800 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
801 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
802 
803 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
804 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
805 	}
806 }
807 
808 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
809 {
810 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
811 	struct completion *comp = sp->comp;
812 
813 	sp->free(sp);
814 	cmd->result = res;
815 	CMD_SP(cmd) = NULL;
816 	cmd->scsi_done(cmd);
817 	if (comp)
818 		complete(comp);
819 }
820 
821 static int
822 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
823 {
824 	scsi_qla_host_t *vha = shost_priv(host);
825 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
826 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
827 	struct qla_hw_data *ha = vha->hw;
828 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
829 	srb_t *sp;
830 	int rval;
831 
832 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
833 	    WARN_ON_ONCE(!rport)) {
834 		cmd->result = DID_NO_CONNECT << 16;
835 		goto qc24_fail_command;
836 	}
837 
838 	if (ha->mqenable) {
839 		uint32_t tag;
840 		uint16_t hwq;
841 		struct qla_qpair *qpair = NULL;
842 
843 		tag = blk_mq_unique_tag(cmd->request);
844 		hwq = blk_mq_unique_tag_to_hwq(tag);
845 		qpair = ha->queue_pair_map[hwq];
846 
847 		if (qpair)
848 			return qla2xxx_mqueuecommand(host, cmd, qpair);
849 	}
850 
851 	if (ha->flags.eeh_busy) {
852 		if (ha->flags.pci_channel_io_perm_failure) {
853 			ql_dbg(ql_dbg_aer, vha, 0x9010,
854 			    "PCI Channel IO permanent failure, exiting "
855 			    "cmd=%p.\n", cmd);
856 			cmd->result = DID_NO_CONNECT << 16;
857 		} else {
858 			ql_dbg(ql_dbg_aer, vha, 0x9011,
859 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
860 			cmd->result = DID_REQUEUE << 16;
861 		}
862 		goto qc24_fail_command;
863 	}
864 
865 	rval = fc_remote_port_chkready(rport);
866 	if (rval) {
867 		cmd->result = rval;
868 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
869 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
870 		    cmd, rval);
871 		goto qc24_fail_command;
872 	}
873 
874 	if (!vha->flags.difdix_supported &&
875 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
876 			ql_dbg(ql_dbg_io, vha, 0x3004,
877 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
878 			    cmd);
879 			cmd->result = DID_NO_CONNECT << 16;
880 			goto qc24_fail_command;
881 	}
882 
883 	if (!fcport) {
884 		cmd->result = DID_NO_CONNECT << 16;
885 		goto qc24_fail_command;
886 	}
887 
888 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
889 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
890 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
891 			ql_dbg(ql_dbg_io, vha, 0x3005,
892 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
893 			    atomic_read(&fcport->state),
894 			    atomic_read(&base_vha->loop_state));
895 			cmd->result = DID_NO_CONNECT << 16;
896 			goto qc24_fail_command;
897 		}
898 		goto qc24_target_busy;
899 	}
900 
901 	/*
902 	 * Return target busy if we've received a non-zero retry_delay_timer
903 	 * in a FCP_RSP.
904 	 */
905 	if (fcport->retry_delay_timestamp == 0) {
906 		/* retry delay not set */
907 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
908 		fcport->retry_delay_timestamp = 0;
909 	else
910 		goto qc24_target_busy;
911 
912 	sp = scsi_cmd_priv(cmd);
913 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
914 
915 	sp->u.scmd.cmd = cmd;
916 	sp->type = SRB_SCSI_CMD;
917 
918 	CMD_SP(cmd) = (void *)sp;
919 	sp->free = qla2x00_sp_free_dma;
920 	sp->done = qla2x00_sp_compl;
921 
922 	rval = ha->isp_ops->start_scsi(sp);
923 	if (rval != QLA_SUCCESS) {
924 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
925 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
926 		goto qc24_host_busy_free_sp;
927 	}
928 
929 	return 0;
930 
931 qc24_host_busy_free_sp:
932 	sp->free(sp);
933 
934 qc24_target_busy:
935 	return SCSI_MLQUEUE_TARGET_BUSY;
936 
937 qc24_fail_command:
938 	cmd->scsi_done(cmd);
939 
940 	return 0;
941 }
942 
943 /* For MQ supported I/O */
944 int
945 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
946     struct qla_qpair *qpair)
947 {
948 	scsi_qla_host_t *vha = shost_priv(host);
949 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
950 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
951 	struct qla_hw_data *ha = vha->hw;
952 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
953 	srb_t *sp;
954 	int rval;
955 
956 	rval = rport ? fc_remote_port_chkready(rport) : FC_PORTSTATE_OFFLINE;
957 	if (rval) {
958 		cmd->result = rval;
959 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
960 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
961 		    cmd, rval);
962 		goto qc24_fail_command;
963 	}
964 
965 	if (!fcport) {
966 		cmd->result = DID_NO_CONNECT << 16;
967 		goto qc24_fail_command;
968 	}
969 
970 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
971 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
972 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
973 			ql_dbg(ql_dbg_io, vha, 0x3077,
974 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
975 			    atomic_read(&fcport->state),
976 			    atomic_read(&base_vha->loop_state));
977 			cmd->result = DID_NO_CONNECT << 16;
978 			goto qc24_fail_command;
979 		}
980 		goto qc24_target_busy;
981 	}
982 
983 	/*
984 	 * Return target busy if we've received a non-zero retry_delay_timer
985 	 * in a FCP_RSP.
986 	 */
987 	if (fcport->retry_delay_timestamp == 0) {
988 		/* retry delay not set */
989 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
990 		fcport->retry_delay_timestamp = 0;
991 	else
992 		goto qc24_target_busy;
993 
994 	sp = scsi_cmd_priv(cmd);
995 	qla2xxx_init_sp(sp, vha, qpair, fcport);
996 
997 	sp->u.scmd.cmd = cmd;
998 	sp->type = SRB_SCSI_CMD;
999 	CMD_SP(cmd) = (void *)sp;
1000 	sp->free = qla2xxx_qpair_sp_free_dma;
1001 	sp->done = qla2xxx_qpair_sp_compl;
1002 
1003 	rval = ha->isp_ops->start_scsi_mq(sp);
1004 	if (rval != QLA_SUCCESS) {
1005 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1006 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1007 		if (rval == QLA_INTERFACE_ERROR)
1008 			goto qc24_free_sp_fail_command;
1009 		goto qc24_host_busy_free_sp;
1010 	}
1011 
1012 	return 0;
1013 
1014 qc24_host_busy_free_sp:
1015 	sp->free(sp);
1016 
1017 qc24_target_busy:
1018 	return SCSI_MLQUEUE_TARGET_BUSY;
1019 
1020 qc24_free_sp_fail_command:
1021 	sp->free(sp);
1022 	CMD_SP(cmd) = NULL;
1023 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
1024 
1025 qc24_fail_command:
1026 	cmd->scsi_done(cmd);
1027 
1028 	return 0;
1029 }
1030 
1031 /*
1032  * qla2x00_eh_wait_on_command
1033  *    Waits for the command to be returned by the Firmware for some
1034  *    max time.
1035  *
1036  * Input:
1037  *    cmd = Scsi Command to wait on.
1038  *
1039  * Return:
1040  *    Completed in time : QLA_SUCCESS
1041  *    Did not complete in time : QLA_FUNCTION_FAILED
1042  */
1043 static int
1044 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1045 {
1046 #define ABORT_POLLING_PERIOD	1000
1047 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1048 	unsigned long wait_iter = ABORT_WAIT_ITER;
1049 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1050 	struct qla_hw_data *ha = vha->hw;
1051 	int ret = QLA_SUCCESS;
1052 
1053 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1054 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1055 		    "Return:eh_wait.\n");
1056 		return ret;
1057 	}
1058 
1059 	while (CMD_SP(cmd) && wait_iter--) {
1060 		msleep(ABORT_POLLING_PERIOD);
1061 	}
1062 	if (CMD_SP(cmd))
1063 		ret = QLA_FUNCTION_FAILED;
1064 
1065 	return ret;
1066 }
1067 
1068 /*
1069  * qla2x00_wait_for_hba_online
1070  *    Wait till the HBA is online after going through
1071  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1072  *    finally HBA is disabled ie marked offline
1073  *
1074  * Input:
1075  *     ha - pointer to host adapter structure
1076  *
1077  * Note:
1078  *    Does context switching-Release SPIN_LOCK
1079  *    (if any) before calling this routine.
1080  *
1081  * Return:
1082  *    Success (Adapter is online) : 0
1083  *    Failed  (Adapter is offline/disabled) : 1
1084  */
1085 int
1086 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1087 {
1088 	int		return_status;
1089 	unsigned long	wait_online;
1090 	struct qla_hw_data *ha = vha->hw;
1091 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1092 
1093 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1094 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1095 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1096 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1097 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1098 
1099 		msleep(1000);
1100 	}
1101 	if (base_vha->flags.online)
1102 		return_status = QLA_SUCCESS;
1103 	else
1104 		return_status = QLA_FUNCTION_FAILED;
1105 
1106 	return (return_status);
1107 }
1108 
1109 static inline int test_fcport_count(scsi_qla_host_t *vha)
1110 {
1111 	struct qla_hw_data *ha = vha->hw;
1112 	unsigned long flags;
1113 	int res;
1114 
1115 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1116 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1117 	    "tgt %p, fcport_count=%d\n",
1118 	    vha, vha->fcport_count);
1119 	res = (vha->fcport_count == 0);
1120 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1121 
1122 	return res;
1123 }
1124 
1125 /*
1126  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1127  * it has dependency on UNLOADING flag to stop device discovery
1128  */
1129 void
1130 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1131 {
1132 	u8 i;
1133 
1134 	qla2x00_mark_all_devices_lost(vha);
1135 
1136 	for (i = 0; i < 10; i++) {
1137 		if (wait_event_timeout(vha->fcport_waitQ,
1138 		    test_fcport_count(vha), HZ) > 0)
1139 			break;
1140 	}
1141 
1142 	flush_workqueue(vha->hw->wq);
1143 }
1144 
1145 /*
1146  * qla2x00_wait_for_hba_ready
1147  * Wait till the HBA is ready before doing driver unload
1148  *
1149  * Input:
1150  *     ha - pointer to host adapter structure
1151  *
1152  * Note:
1153  *    Does context switching-Release SPIN_LOCK
1154  *    (if any) before calling this routine.
1155  *
1156  */
1157 static void
1158 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1159 {
1160 	struct qla_hw_data *ha = vha->hw;
1161 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1162 
1163 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1164 		ha->flags.mbox_busy) ||
1165 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1166 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1167 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1168 			break;
1169 		msleep(1000);
1170 	}
1171 }
1172 
1173 int
1174 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1175 {
1176 	int		return_status;
1177 	unsigned long	wait_reset;
1178 	struct qla_hw_data *ha = vha->hw;
1179 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1180 
1181 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1182 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1183 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1184 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1185 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1186 
1187 		msleep(1000);
1188 
1189 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1190 		    ha->flags.chip_reset_done)
1191 			break;
1192 	}
1193 	if (ha->flags.chip_reset_done)
1194 		return_status = QLA_SUCCESS;
1195 	else
1196 		return_status = QLA_FUNCTION_FAILED;
1197 
1198 	return return_status;
1199 }
1200 
1201 #define ISP_REG_DISCONNECT 0xffffffffU
1202 /**************************************************************************
1203 * qla2x00_isp_reg_stat
1204 *
1205 * Description:
1206 *	Read the host status register of ISP before aborting the command.
1207 *
1208 * Input:
1209 *	ha = pointer to host adapter structure.
1210 *
1211 *
1212 * Returns:
1213 *	Either true or false.
1214 *
1215 * Note:	Return true if there is register disconnect.
1216 **************************************************************************/
1217 static inline
1218 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1219 {
1220 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1221 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1222 
1223 	if (IS_P3P_TYPE(ha))
1224 		return ((rd_reg_dword(&reg82->host_int)) == ISP_REG_DISCONNECT);
1225 	else
1226 		return ((rd_reg_dword(&reg->host_status)) ==
1227 			ISP_REG_DISCONNECT);
1228 }
1229 
1230 /**************************************************************************
1231 * qla2xxx_eh_abort
1232 *
1233 * Description:
1234 *    The abort function will abort the specified command.
1235 *
1236 * Input:
1237 *    cmd = Linux SCSI command packet to be aborted.
1238 *
1239 * Returns:
1240 *    Either SUCCESS or FAILED.
1241 *
1242 * Note:
1243 *    Only return FAILED if command not returned by firmware.
1244 **************************************************************************/
1245 static int
1246 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1247 {
1248 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1249 	DECLARE_COMPLETION_ONSTACK(comp);
1250 	srb_t *sp;
1251 	int ret;
1252 	unsigned int id;
1253 	uint64_t lun;
1254 	int rval;
1255 	struct qla_hw_data *ha = vha->hw;
1256 	uint32_t ratov_j;
1257 	struct qla_qpair *qpair;
1258 	unsigned long flags;
1259 
1260 	if (qla2x00_isp_reg_stat(ha)) {
1261 		ql_log(ql_log_info, vha, 0x8042,
1262 		    "PCI/Register disconnect, exiting.\n");
1263 		return FAILED;
1264 	}
1265 
1266 	ret = fc_block_scsi_eh(cmd);
1267 	if (ret != 0)
1268 		return ret;
1269 
1270 	sp = scsi_cmd_priv(cmd);
1271 	qpair = sp->qpair;
1272 
1273 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1274 		return SUCCESS;
1275 
1276 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1277 	sp->comp = &comp;
1278 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1279 
1280 
1281 	id = cmd->device->id;
1282 	lun = cmd->device->lun;
1283 
1284 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1285 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1286 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1287 
1288 	/*
1289 	 * Abort will release the original Command/sp from FW. Let the
1290 	 * original command call scsi_done. In return, he will wakeup
1291 	 * this sleeping thread.
1292 	 */
1293 	rval = ha->isp_ops->abort_command(sp);
1294 
1295 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1296 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1297 
1298 	/* Wait for the command completion. */
1299 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1300 	ratov_j = msecs_to_jiffies(ratov_j);
1301 	switch (rval) {
1302 	case QLA_SUCCESS:
1303 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1304 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1305 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1306 			    __func__, ha->r_a_tov/10);
1307 			ret = FAILED;
1308 		} else {
1309 			ret = SUCCESS;
1310 		}
1311 		break;
1312 	default:
1313 		ret = FAILED;
1314 		break;
1315 	}
1316 
1317 	sp->comp = NULL;
1318 
1319 	ql_log(ql_log_info, vha, 0x801c,
1320 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1321 	    vha->host_no, id, lun, ret);
1322 
1323 	return ret;
1324 }
1325 
1326 /*
1327  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1328  */
1329 int
1330 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1331 	uint64_t l, enum nexus_wait_type type)
1332 {
1333 	int cnt, match, status;
1334 	unsigned long flags;
1335 	struct qla_hw_data *ha = vha->hw;
1336 	struct req_que *req;
1337 	srb_t *sp;
1338 	struct scsi_cmnd *cmd;
1339 
1340 	status = QLA_SUCCESS;
1341 
1342 	spin_lock_irqsave(&ha->hardware_lock, flags);
1343 	req = vha->req;
1344 	for (cnt = 1; status == QLA_SUCCESS &&
1345 		cnt < req->num_outstanding_cmds; cnt++) {
1346 		sp = req->outstanding_cmds[cnt];
1347 		if (!sp)
1348 			continue;
1349 		if (sp->type != SRB_SCSI_CMD)
1350 			continue;
1351 		if (vha->vp_idx != sp->vha->vp_idx)
1352 			continue;
1353 		match = 0;
1354 		cmd = GET_CMD_SP(sp);
1355 		switch (type) {
1356 		case WAIT_HOST:
1357 			match = 1;
1358 			break;
1359 		case WAIT_TARGET:
1360 			match = cmd->device->id == t;
1361 			break;
1362 		case WAIT_LUN:
1363 			match = (cmd->device->id == t &&
1364 				cmd->device->lun == l);
1365 			break;
1366 		}
1367 		if (!match)
1368 			continue;
1369 
1370 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1371 		status = qla2x00_eh_wait_on_command(cmd);
1372 		spin_lock_irqsave(&ha->hardware_lock, flags);
1373 	}
1374 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1375 
1376 	return status;
1377 }
1378 
1379 static char *reset_errors[] = {
1380 	"HBA not online",
1381 	"HBA not ready",
1382 	"Task management failed",
1383 	"Waiting for command completions",
1384 };
1385 
1386 static int
1387 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1388     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1389 {
1390 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1391 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1392 	int err;
1393 
1394 	if (!fcport) {
1395 		return FAILED;
1396 	}
1397 
1398 	err = fc_block_scsi_eh(cmd);
1399 	if (err != 0)
1400 		return err;
1401 
1402 	if (fcport->deleted)
1403 		return SUCCESS;
1404 
1405 	ql_log(ql_log_info, vha, 0x8009,
1406 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1407 	    cmd->device->id, cmd->device->lun, cmd);
1408 
1409 	err = 0;
1410 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1411 		ql_log(ql_log_warn, vha, 0x800a,
1412 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1413 		goto eh_reset_failed;
1414 	}
1415 	err = 2;
1416 	if (do_reset(fcport, cmd->device->lun, 1)
1417 		!= QLA_SUCCESS) {
1418 		ql_log(ql_log_warn, vha, 0x800c,
1419 		    "do_reset failed for cmd=%p.\n", cmd);
1420 		goto eh_reset_failed;
1421 	}
1422 	err = 3;
1423 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1424 	    cmd->device->lun, type) != QLA_SUCCESS) {
1425 		ql_log(ql_log_warn, vha, 0x800d,
1426 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1427 		goto eh_reset_failed;
1428 	}
1429 
1430 	ql_log(ql_log_info, vha, 0x800e,
1431 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1432 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1433 
1434 	return SUCCESS;
1435 
1436 eh_reset_failed:
1437 	ql_log(ql_log_info, vha, 0x800f,
1438 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1439 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1440 	    cmd);
1441 	return FAILED;
1442 }
1443 
1444 static int
1445 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1446 {
1447 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1448 	struct qla_hw_data *ha = vha->hw;
1449 
1450 	if (qla2x00_isp_reg_stat(ha)) {
1451 		ql_log(ql_log_info, vha, 0x803e,
1452 		    "PCI/Register disconnect, exiting.\n");
1453 		return FAILED;
1454 	}
1455 
1456 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1457 	    ha->isp_ops->lun_reset);
1458 }
1459 
1460 static int
1461 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1462 {
1463 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1464 	struct qla_hw_data *ha = vha->hw;
1465 
1466 	if (qla2x00_isp_reg_stat(ha)) {
1467 		ql_log(ql_log_info, vha, 0x803f,
1468 		    "PCI/Register disconnect, exiting.\n");
1469 		return FAILED;
1470 	}
1471 
1472 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1473 	    ha->isp_ops->target_reset);
1474 }
1475 
1476 /**************************************************************************
1477 * qla2xxx_eh_bus_reset
1478 *
1479 * Description:
1480 *    The bus reset function will reset the bus and abort any executing
1481 *    commands.
1482 *
1483 * Input:
1484 *    cmd = Linux SCSI command packet of the command that cause the
1485 *          bus reset.
1486 *
1487 * Returns:
1488 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1489 *
1490 **************************************************************************/
1491 static int
1492 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1493 {
1494 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1495 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1496 	int ret = FAILED;
1497 	unsigned int id;
1498 	uint64_t lun;
1499 	struct qla_hw_data *ha = vha->hw;
1500 
1501 	if (qla2x00_isp_reg_stat(ha)) {
1502 		ql_log(ql_log_info, vha, 0x8040,
1503 		    "PCI/Register disconnect, exiting.\n");
1504 		return FAILED;
1505 	}
1506 
1507 	id = cmd->device->id;
1508 	lun = cmd->device->lun;
1509 
1510 	if (!fcport) {
1511 		return ret;
1512 	}
1513 
1514 	ret = fc_block_scsi_eh(cmd);
1515 	if (ret != 0)
1516 		return ret;
1517 	ret = FAILED;
1518 
1519 	if (qla2x00_chip_is_down(vha))
1520 		return ret;
1521 
1522 	ql_log(ql_log_info, vha, 0x8012,
1523 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1524 
1525 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1526 		ql_log(ql_log_fatal, vha, 0x8013,
1527 		    "Wait for hba online failed board disabled.\n");
1528 		goto eh_bus_reset_done;
1529 	}
1530 
1531 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1532 		ret = SUCCESS;
1533 
1534 	if (ret == FAILED)
1535 		goto eh_bus_reset_done;
1536 
1537 	/* Flush outstanding commands. */
1538 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1539 	    QLA_SUCCESS) {
1540 		ql_log(ql_log_warn, vha, 0x8014,
1541 		    "Wait for pending commands failed.\n");
1542 		ret = FAILED;
1543 	}
1544 
1545 eh_bus_reset_done:
1546 	ql_log(ql_log_warn, vha, 0x802b,
1547 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1548 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1549 
1550 	return ret;
1551 }
1552 
1553 /**************************************************************************
1554 * qla2xxx_eh_host_reset
1555 *
1556 * Description:
1557 *    The reset function will reset the Adapter.
1558 *
1559 * Input:
1560 *      cmd = Linux SCSI command packet of the command that cause the
1561 *            adapter reset.
1562 *
1563 * Returns:
1564 *      Either SUCCESS or FAILED.
1565 *
1566 * Note:
1567 **************************************************************************/
1568 static int
1569 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1570 {
1571 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1572 	struct qla_hw_data *ha = vha->hw;
1573 	int ret = FAILED;
1574 	unsigned int id;
1575 	uint64_t lun;
1576 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1577 
1578 	if (qla2x00_isp_reg_stat(ha)) {
1579 		ql_log(ql_log_info, vha, 0x8041,
1580 		    "PCI/Register disconnect, exiting.\n");
1581 		schedule_work(&ha->board_disable);
1582 		return SUCCESS;
1583 	}
1584 
1585 	id = cmd->device->id;
1586 	lun = cmd->device->lun;
1587 
1588 	ql_log(ql_log_info, vha, 0x8018,
1589 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1590 
1591 	/*
1592 	 * No point in issuing another reset if one is active.  Also do not
1593 	 * attempt a reset if we are updating flash.
1594 	 */
1595 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1596 		goto eh_host_reset_lock;
1597 
1598 	if (vha != base_vha) {
1599 		if (qla2x00_vp_abort_isp(vha))
1600 			goto eh_host_reset_lock;
1601 	} else {
1602 		if (IS_P3P_TYPE(vha->hw)) {
1603 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1604 				/* Ctx reset success */
1605 				ret = SUCCESS;
1606 				goto eh_host_reset_lock;
1607 			}
1608 			/* fall thru if ctx reset failed */
1609 		}
1610 		if (ha->wq)
1611 			flush_workqueue(ha->wq);
1612 
1613 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1614 		if (ha->isp_ops->abort_isp(base_vha)) {
1615 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1616 			/* failed. schedule dpc to try */
1617 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1618 
1619 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1620 				ql_log(ql_log_warn, vha, 0x802a,
1621 				    "wait for hba online failed.\n");
1622 				goto eh_host_reset_lock;
1623 			}
1624 		}
1625 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1626 	}
1627 
1628 	/* Waiting for command to be returned to OS.*/
1629 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1630 		QLA_SUCCESS)
1631 		ret = SUCCESS;
1632 
1633 eh_host_reset_lock:
1634 	ql_log(ql_log_info, vha, 0x8017,
1635 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1636 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1637 
1638 	return ret;
1639 }
1640 
1641 /*
1642 * qla2x00_loop_reset
1643 *      Issue loop reset.
1644 *
1645 * Input:
1646 *      ha = adapter block pointer.
1647 *
1648 * Returns:
1649 *      0 = success
1650 */
1651 int
1652 qla2x00_loop_reset(scsi_qla_host_t *vha)
1653 {
1654 	int ret;
1655 	struct fc_port *fcport;
1656 	struct qla_hw_data *ha = vha->hw;
1657 
1658 	if (IS_QLAFX00(ha)) {
1659 		return qlafx00_loop_reset(vha);
1660 	}
1661 
1662 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1663 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1664 			if (fcport->port_type != FCT_TARGET)
1665 				continue;
1666 
1667 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1668 			if (ret != QLA_SUCCESS) {
1669 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1670 				    "Bus Reset failed: Reset=%d "
1671 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1672 			}
1673 		}
1674 	}
1675 
1676 
1677 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1678 		atomic_set(&vha->loop_state, LOOP_DOWN);
1679 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1680 		qla2x00_mark_all_devices_lost(vha);
1681 		ret = qla2x00_full_login_lip(vha);
1682 		if (ret != QLA_SUCCESS) {
1683 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1684 			    "full_login_lip=%d.\n", ret);
1685 		}
1686 	}
1687 
1688 	if (ha->flags.enable_lip_reset) {
1689 		ret = qla2x00_lip_reset(vha);
1690 		if (ret != QLA_SUCCESS)
1691 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1692 			    "lip_reset failed (%d).\n", ret);
1693 	}
1694 
1695 	/* Issue marker command only when we are going to start the I/O */
1696 	vha->marker_needed = 1;
1697 
1698 	return QLA_SUCCESS;
1699 }
1700 
1701 /*
1702  * The caller must ensure that no completion interrupts will happen
1703  * while this function is in progress.
1704  */
1705 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1706 			      unsigned long *flags)
1707 	__releases(qp->qp_lock_ptr)
1708 	__acquires(qp->qp_lock_ptr)
1709 {
1710 	DECLARE_COMPLETION_ONSTACK(comp);
1711 	scsi_qla_host_t *vha = qp->vha;
1712 	struct qla_hw_data *ha = vha->hw;
1713 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1714 	int rval;
1715 	bool ret_cmd;
1716 	uint32_t ratov_j;
1717 
1718 	lockdep_assert_held(qp->qp_lock_ptr);
1719 
1720 	if (qla2x00_chip_is_down(vha)) {
1721 		sp->done(sp, res);
1722 		return;
1723 	}
1724 
1725 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1726 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1727 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1728 	     !qla2x00_isp_reg_stat(ha))) {
1729 		if (sp->comp) {
1730 			sp->done(sp, res);
1731 			return;
1732 		}
1733 
1734 		sp->comp = &comp;
1735 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1736 
1737 		rval = ha->isp_ops->abort_command(sp);
1738 		/* Wait for command completion. */
1739 		ret_cmd = false;
1740 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1741 		ratov_j = msecs_to_jiffies(ratov_j);
1742 		switch (rval) {
1743 		case QLA_SUCCESS:
1744 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1745 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1746 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1747 				    __func__, ha->r_a_tov/10);
1748 				ret_cmd = true;
1749 			}
1750 			/* else FW return SP to driver */
1751 			break;
1752 		default:
1753 			ret_cmd = true;
1754 			break;
1755 		}
1756 
1757 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1758 		if (ret_cmd && blk_mq_request_started(cmd->request))
1759 			sp->done(sp, res);
1760 	} else {
1761 		sp->done(sp, res);
1762 	}
1763 }
1764 
1765 /*
1766  * The caller must ensure that no completion interrupts will happen
1767  * while this function is in progress.
1768  */
1769 static void
1770 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1771 {
1772 	int cnt;
1773 	unsigned long flags;
1774 	srb_t *sp;
1775 	scsi_qla_host_t *vha = qp->vha;
1776 	struct qla_hw_data *ha = vha->hw;
1777 	struct req_que *req;
1778 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1779 	struct qla_tgt_cmd *cmd;
1780 
1781 	if (!ha->req_q_map)
1782 		return;
1783 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1784 	req = qp->req;
1785 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1786 		sp = req->outstanding_cmds[cnt];
1787 		if (sp) {
1788 			switch (sp->cmd_type) {
1789 			case TYPE_SRB:
1790 				qla2x00_abort_srb(qp, sp, res, &flags);
1791 				break;
1792 			case TYPE_TGT_CMD:
1793 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1794 				    qla_ini_mode_enabled(vha)) {
1795 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1796 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1797 					    vha->dpc_flags);
1798 					continue;
1799 				}
1800 				cmd = (struct qla_tgt_cmd *)sp;
1801 				cmd->aborted = 1;
1802 				break;
1803 			case TYPE_TGT_TMCMD:
1804 				/* Skip task management functions. */
1805 				break;
1806 			default:
1807 				break;
1808 			}
1809 			req->outstanding_cmds[cnt] = NULL;
1810 		}
1811 	}
1812 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1813 }
1814 
1815 /*
1816  * The caller must ensure that no completion interrupts will happen
1817  * while this function is in progress.
1818  */
1819 void
1820 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1821 {
1822 	int que;
1823 	struct qla_hw_data *ha = vha->hw;
1824 
1825 	/* Continue only if initialization complete. */
1826 	if (!ha->base_qpair)
1827 		return;
1828 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1829 
1830 	if (!ha->queue_pair_map)
1831 		return;
1832 	for (que = 0; que < ha->max_qpairs; que++) {
1833 		if (!ha->queue_pair_map[que])
1834 			continue;
1835 
1836 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1837 	}
1838 }
1839 
1840 static int
1841 qla2xxx_slave_alloc(struct scsi_device *sdev)
1842 {
1843 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1844 
1845 	if (!rport || fc_remote_port_chkready(rport))
1846 		return -ENXIO;
1847 
1848 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1849 
1850 	return 0;
1851 }
1852 
1853 static int
1854 qla2xxx_slave_configure(struct scsi_device *sdev)
1855 {
1856 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1857 	struct req_que *req = vha->req;
1858 
1859 	if (IS_T10_PI_CAPABLE(vha->hw))
1860 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1861 
1862 	scsi_change_queue_depth(sdev, req->max_q_depth);
1863 	return 0;
1864 }
1865 
1866 static void
1867 qla2xxx_slave_destroy(struct scsi_device *sdev)
1868 {
1869 	sdev->hostdata = NULL;
1870 }
1871 
1872 /**
1873  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1874  * @ha: HA context
1875  *
1876  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1877  * supported addressing method.
1878  */
1879 static void
1880 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1881 {
1882 	/* Assume a 32bit DMA mask. */
1883 	ha->flags.enable_64bit_addressing = 0;
1884 
1885 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1886 		/* Any upper-dword bits set? */
1887 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1888 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1889 			/* Ok, a 64bit DMA mask is applicable. */
1890 			ha->flags.enable_64bit_addressing = 1;
1891 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1892 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1893 			return;
1894 		}
1895 	}
1896 
1897 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1898 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1899 }
1900 
1901 static void
1902 qla2x00_enable_intrs(struct qla_hw_data *ha)
1903 {
1904 	unsigned long flags = 0;
1905 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1906 
1907 	spin_lock_irqsave(&ha->hardware_lock, flags);
1908 	ha->interrupts_on = 1;
1909 	/* enable risc and host interrupts */
1910 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1911 	rd_reg_word(&reg->ictrl);
1912 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1913 
1914 }
1915 
1916 static void
1917 qla2x00_disable_intrs(struct qla_hw_data *ha)
1918 {
1919 	unsigned long flags = 0;
1920 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1921 
1922 	spin_lock_irqsave(&ha->hardware_lock, flags);
1923 	ha->interrupts_on = 0;
1924 	/* disable risc and host interrupts */
1925 	wrt_reg_word(&reg->ictrl, 0);
1926 	rd_reg_word(&reg->ictrl);
1927 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1928 }
1929 
1930 static void
1931 qla24xx_enable_intrs(struct qla_hw_data *ha)
1932 {
1933 	unsigned long flags = 0;
1934 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1935 
1936 	spin_lock_irqsave(&ha->hardware_lock, flags);
1937 	ha->interrupts_on = 1;
1938 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
1939 	rd_reg_dword(&reg->ictrl);
1940 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1941 }
1942 
1943 static void
1944 qla24xx_disable_intrs(struct qla_hw_data *ha)
1945 {
1946 	unsigned long flags = 0;
1947 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1948 
1949 	if (IS_NOPOLLING_TYPE(ha))
1950 		return;
1951 	spin_lock_irqsave(&ha->hardware_lock, flags);
1952 	ha->interrupts_on = 0;
1953 	wrt_reg_dword(&reg->ictrl, 0);
1954 	rd_reg_dword(&reg->ictrl);
1955 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1956 }
1957 
1958 static int
1959 qla2x00_iospace_config(struct qla_hw_data *ha)
1960 {
1961 	resource_size_t pio;
1962 	uint16_t msix;
1963 
1964 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1965 	    QLA2XXX_DRIVER_NAME)) {
1966 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1967 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1968 		    pci_name(ha->pdev));
1969 		goto iospace_error_exit;
1970 	}
1971 	if (!(ha->bars & 1))
1972 		goto skip_pio;
1973 
1974 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1975 	pio = pci_resource_start(ha->pdev, 0);
1976 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1977 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1978 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1979 			    "Invalid pci I/O region size (%s).\n",
1980 			    pci_name(ha->pdev));
1981 			pio = 0;
1982 		}
1983 	} else {
1984 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1985 		    "Region #0 no a PIO resource (%s).\n",
1986 		    pci_name(ha->pdev));
1987 		pio = 0;
1988 	}
1989 	ha->pio_address = pio;
1990 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1991 	    "PIO address=%llu.\n",
1992 	    (unsigned long long)ha->pio_address);
1993 
1994 skip_pio:
1995 	/* Use MMIO operations for all accesses. */
1996 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1997 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1998 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1999 		    pci_name(ha->pdev));
2000 		goto iospace_error_exit;
2001 	}
2002 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2003 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2004 		    "Invalid PCI mem region size (%s), aborting.\n",
2005 		    pci_name(ha->pdev));
2006 		goto iospace_error_exit;
2007 	}
2008 
2009 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2010 	if (!ha->iobase) {
2011 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2012 		    "Cannot remap MMIO (%s), aborting.\n",
2013 		    pci_name(ha->pdev));
2014 		goto iospace_error_exit;
2015 	}
2016 
2017 	/* Determine queue resources */
2018 	ha->max_req_queues = ha->max_rsp_queues = 1;
2019 	ha->msix_count = QLA_BASE_VECTORS;
2020 
2021 	/* Check if FW supports MQ or not */
2022 	if (!(ha->fw_attributes & BIT_6))
2023 		goto mqiobase_exit;
2024 
2025 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2026 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2027 		goto mqiobase_exit;
2028 
2029 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2030 			pci_resource_len(ha->pdev, 3));
2031 	if (ha->mqiobase) {
2032 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2033 		    "MQIO Base=%p.\n", ha->mqiobase);
2034 		/* Read MSIX vector size of the board */
2035 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2036 		ha->msix_count = msix + 1;
2037 		/* Max queues are bounded by available msix vectors */
2038 		/* MB interrupt uses 1 vector */
2039 		ha->max_req_queues = ha->msix_count - 1;
2040 		ha->max_rsp_queues = ha->max_req_queues;
2041 		/* Queue pairs is the max value minus the base queue pair */
2042 		ha->max_qpairs = ha->max_rsp_queues - 1;
2043 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2044 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2045 
2046 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2047 		    "MSI-X vector count: %d.\n", ha->msix_count);
2048 	} else
2049 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2050 		    "BAR 3 not enabled.\n");
2051 
2052 mqiobase_exit:
2053 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2054 	    "MSIX Count: %d.\n", ha->msix_count);
2055 	return (0);
2056 
2057 iospace_error_exit:
2058 	return (-ENOMEM);
2059 }
2060 
2061 
2062 static int
2063 qla83xx_iospace_config(struct qla_hw_data *ha)
2064 {
2065 	uint16_t msix;
2066 
2067 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2068 	    QLA2XXX_DRIVER_NAME)) {
2069 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2070 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2071 		    pci_name(ha->pdev));
2072 
2073 		goto iospace_error_exit;
2074 	}
2075 
2076 	/* Use MMIO operations for all accesses. */
2077 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2078 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2079 		    "Invalid pci I/O region size (%s).\n",
2080 		    pci_name(ha->pdev));
2081 		goto iospace_error_exit;
2082 	}
2083 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2084 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2085 		    "Invalid PCI mem region size (%s), aborting\n",
2086 			pci_name(ha->pdev));
2087 		goto iospace_error_exit;
2088 	}
2089 
2090 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2091 	if (!ha->iobase) {
2092 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2093 		    "Cannot remap MMIO (%s), aborting.\n",
2094 		    pci_name(ha->pdev));
2095 		goto iospace_error_exit;
2096 	}
2097 
2098 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2099 	/* 83XX 26XX always use MQ type access for queues
2100 	 * - mbar 2, a.k.a region 4 */
2101 	ha->max_req_queues = ha->max_rsp_queues = 1;
2102 	ha->msix_count = QLA_BASE_VECTORS;
2103 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2104 			pci_resource_len(ha->pdev, 4));
2105 
2106 	if (!ha->mqiobase) {
2107 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2108 		    "BAR2/region4 not enabled\n");
2109 		goto mqiobase_exit;
2110 	}
2111 
2112 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2113 			pci_resource_len(ha->pdev, 2));
2114 	if (ha->msixbase) {
2115 		/* Read MSIX vector size of the board */
2116 		pci_read_config_word(ha->pdev,
2117 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2118 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2119 		/*
2120 		 * By default, driver uses at least two msix vectors
2121 		 * (default & rspq)
2122 		 */
2123 		if (ql2xmqsupport || ql2xnvmeenable) {
2124 			/* MB interrupt uses 1 vector */
2125 			ha->max_req_queues = ha->msix_count - 1;
2126 
2127 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2128 			if (QLA_TGT_MODE_ENABLED())
2129 				ha->max_req_queues--;
2130 
2131 			ha->max_rsp_queues = ha->max_req_queues;
2132 
2133 			/* Queue pairs is the max value minus
2134 			 * the base queue pair */
2135 			ha->max_qpairs = ha->max_req_queues - 1;
2136 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2137 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2138 		}
2139 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2140 		    "MSI-X vector count: %d.\n", ha->msix_count);
2141 	} else
2142 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2143 		    "BAR 1 not enabled.\n");
2144 
2145 mqiobase_exit:
2146 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2147 	    "MSIX Count: %d.\n", ha->msix_count);
2148 	return 0;
2149 
2150 iospace_error_exit:
2151 	return -ENOMEM;
2152 }
2153 
2154 static struct isp_operations qla2100_isp_ops = {
2155 	.pci_config		= qla2100_pci_config,
2156 	.reset_chip		= qla2x00_reset_chip,
2157 	.chip_diag		= qla2x00_chip_diag,
2158 	.config_rings		= qla2x00_config_rings,
2159 	.reset_adapter		= qla2x00_reset_adapter,
2160 	.nvram_config		= qla2x00_nvram_config,
2161 	.update_fw_options	= qla2x00_update_fw_options,
2162 	.load_risc		= qla2x00_load_risc,
2163 	.pci_info_str		= qla2x00_pci_info_str,
2164 	.fw_version_str		= qla2x00_fw_version_str,
2165 	.intr_handler		= qla2100_intr_handler,
2166 	.enable_intrs		= qla2x00_enable_intrs,
2167 	.disable_intrs		= qla2x00_disable_intrs,
2168 	.abort_command		= qla2x00_abort_command,
2169 	.target_reset		= qla2x00_abort_target,
2170 	.lun_reset		= qla2x00_lun_reset,
2171 	.fabric_login		= qla2x00_login_fabric,
2172 	.fabric_logout		= qla2x00_fabric_logout,
2173 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2174 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2175 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2176 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2177 	.read_nvram		= qla2x00_read_nvram_data,
2178 	.write_nvram		= qla2x00_write_nvram_data,
2179 	.fw_dump		= qla2100_fw_dump,
2180 	.beacon_on		= NULL,
2181 	.beacon_off		= NULL,
2182 	.beacon_blink		= NULL,
2183 	.read_optrom		= qla2x00_read_optrom_data,
2184 	.write_optrom		= qla2x00_write_optrom_data,
2185 	.get_flash_version	= qla2x00_get_flash_version,
2186 	.start_scsi		= qla2x00_start_scsi,
2187 	.start_scsi_mq          = NULL,
2188 	.abort_isp		= qla2x00_abort_isp,
2189 	.iospace_config     	= qla2x00_iospace_config,
2190 	.initialize_adapter	= qla2x00_initialize_adapter,
2191 };
2192 
2193 static struct isp_operations qla2300_isp_ops = {
2194 	.pci_config		= qla2300_pci_config,
2195 	.reset_chip		= qla2x00_reset_chip,
2196 	.chip_diag		= qla2x00_chip_diag,
2197 	.config_rings		= qla2x00_config_rings,
2198 	.reset_adapter		= qla2x00_reset_adapter,
2199 	.nvram_config		= qla2x00_nvram_config,
2200 	.update_fw_options	= qla2x00_update_fw_options,
2201 	.load_risc		= qla2x00_load_risc,
2202 	.pci_info_str		= qla2x00_pci_info_str,
2203 	.fw_version_str		= qla2x00_fw_version_str,
2204 	.intr_handler		= qla2300_intr_handler,
2205 	.enable_intrs		= qla2x00_enable_intrs,
2206 	.disable_intrs		= qla2x00_disable_intrs,
2207 	.abort_command		= qla2x00_abort_command,
2208 	.target_reset		= qla2x00_abort_target,
2209 	.lun_reset		= qla2x00_lun_reset,
2210 	.fabric_login		= qla2x00_login_fabric,
2211 	.fabric_logout		= qla2x00_fabric_logout,
2212 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2213 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2214 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2215 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2216 	.read_nvram		= qla2x00_read_nvram_data,
2217 	.write_nvram		= qla2x00_write_nvram_data,
2218 	.fw_dump		= qla2300_fw_dump,
2219 	.beacon_on		= qla2x00_beacon_on,
2220 	.beacon_off		= qla2x00_beacon_off,
2221 	.beacon_blink		= qla2x00_beacon_blink,
2222 	.read_optrom		= qla2x00_read_optrom_data,
2223 	.write_optrom		= qla2x00_write_optrom_data,
2224 	.get_flash_version	= qla2x00_get_flash_version,
2225 	.start_scsi		= qla2x00_start_scsi,
2226 	.start_scsi_mq          = NULL,
2227 	.abort_isp		= qla2x00_abort_isp,
2228 	.iospace_config		= qla2x00_iospace_config,
2229 	.initialize_adapter	= qla2x00_initialize_adapter,
2230 };
2231 
2232 static struct isp_operations qla24xx_isp_ops = {
2233 	.pci_config		= qla24xx_pci_config,
2234 	.reset_chip		= qla24xx_reset_chip,
2235 	.chip_diag		= qla24xx_chip_diag,
2236 	.config_rings		= qla24xx_config_rings,
2237 	.reset_adapter		= qla24xx_reset_adapter,
2238 	.nvram_config		= qla24xx_nvram_config,
2239 	.update_fw_options	= qla24xx_update_fw_options,
2240 	.load_risc		= qla24xx_load_risc,
2241 	.pci_info_str		= qla24xx_pci_info_str,
2242 	.fw_version_str		= qla24xx_fw_version_str,
2243 	.intr_handler		= qla24xx_intr_handler,
2244 	.enable_intrs		= qla24xx_enable_intrs,
2245 	.disable_intrs		= qla24xx_disable_intrs,
2246 	.abort_command		= qla24xx_abort_command,
2247 	.target_reset		= qla24xx_abort_target,
2248 	.lun_reset		= qla24xx_lun_reset,
2249 	.fabric_login		= qla24xx_login_fabric,
2250 	.fabric_logout		= qla24xx_fabric_logout,
2251 	.calc_req_entries	= NULL,
2252 	.build_iocbs		= NULL,
2253 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2254 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2255 	.read_nvram		= qla24xx_read_nvram_data,
2256 	.write_nvram		= qla24xx_write_nvram_data,
2257 	.fw_dump		= qla24xx_fw_dump,
2258 	.beacon_on		= qla24xx_beacon_on,
2259 	.beacon_off		= qla24xx_beacon_off,
2260 	.beacon_blink		= qla24xx_beacon_blink,
2261 	.read_optrom		= qla24xx_read_optrom_data,
2262 	.write_optrom		= qla24xx_write_optrom_data,
2263 	.get_flash_version	= qla24xx_get_flash_version,
2264 	.start_scsi		= qla24xx_start_scsi,
2265 	.start_scsi_mq          = NULL,
2266 	.abort_isp		= qla2x00_abort_isp,
2267 	.iospace_config		= qla2x00_iospace_config,
2268 	.initialize_adapter	= qla2x00_initialize_adapter,
2269 };
2270 
2271 static struct isp_operations qla25xx_isp_ops = {
2272 	.pci_config		= qla25xx_pci_config,
2273 	.reset_chip		= qla24xx_reset_chip,
2274 	.chip_diag		= qla24xx_chip_diag,
2275 	.config_rings		= qla24xx_config_rings,
2276 	.reset_adapter		= qla24xx_reset_adapter,
2277 	.nvram_config		= qla24xx_nvram_config,
2278 	.update_fw_options	= qla24xx_update_fw_options,
2279 	.load_risc		= qla24xx_load_risc,
2280 	.pci_info_str		= qla24xx_pci_info_str,
2281 	.fw_version_str		= qla24xx_fw_version_str,
2282 	.intr_handler		= qla24xx_intr_handler,
2283 	.enable_intrs		= qla24xx_enable_intrs,
2284 	.disable_intrs		= qla24xx_disable_intrs,
2285 	.abort_command		= qla24xx_abort_command,
2286 	.target_reset		= qla24xx_abort_target,
2287 	.lun_reset		= qla24xx_lun_reset,
2288 	.fabric_login		= qla24xx_login_fabric,
2289 	.fabric_logout		= qla24xx_fabric_logout,
2290 	.calc_req_entries	= NULL,
2291 	.build_iocbs		= NULL,
2292 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2293 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2294 	.read_nvram		= qla25xx_read_nvram_data,
2295 	.write_nvram		= qla25xx_write_nvram_data,
2296 	.fw_dump		= qla25xx_fw_dump,
2297 	.beacon_on		= qla24xx_beacon_on,
2298 	.beacon_off		= qla24xx_beacon_off,
2299 	.beacon_blink		= qla24xx_beacon_blink,
2300 	.read_optrom		= qla25xx_read_optrom_data,
2301 	.write_optrom		= qla24xx_write_optrom_data,
2302 	.get_flash_version	= qla24xx_get_flash_version,
2303 	.start_scsi		= qla24xx_dif_start_scsi,
2304 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2305 	.abort_isp		= qla2x00_abort_isp,
2306 	.iospace_config		= qla2x00_iospace_config,
2307 	.initialize_adapter	= qla2x00_initialize_adapter,
2308 };
2309 
2310 static struct isp_operations qla81xx_isp_ops = {
2311 	.pci_config		= qla25xx_pci_config,
2312 	.reset_chip		= qla24xx_reset_chip,
2313 	.chip_diag		= qla24xx_chip_diag,
2314 	.config_rings		= qla24xx_config_rings,
2315 	.reset_adapter		= qla24xx_reset_adapter,
2316 	.nvram_config		= qla81xx_nvram_config,
2317 	.update_fw_options	= qla24xx_update_fw_options,
2318 	.load_risc		= qla81xx_load_risc,
2319 	.pci_info_str		= qla24xx_pci_info_str,
2320 	.fw_version_str		= qla24xx_fw_version_str,
2321 	.intr_handler		= qla24xx_intr_handler,
2322 	.enable_intrs		= qla24xx_enable_intrs,
2323 	.disable_intrs		= qla24xx_disable_intrs,
2324 	.abort_command		= qla24xx_abort_command,
2325 	.target_reset		= qla24xx_abort_target,
2326 	.lun_reset		= qla24xx_lun_reset,
2327 	.fabric_login		= qla24xx_login_fabric,
2328 	.fabric_logout		= qla24xx_fabric_logout,
2329 	.calc_req_entries	= NULL,
2330 	.build_iocbs		= NULL,
2331 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2332 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2333 	.read_nvram		= NULL,
2334 	.write_nvram		= NULL,
2335 	.fw_dump		= qla81xx_fw_dump,
2336 	.beacon_on		= qla24xx_beacon_on,
2337 	.beacon_off		= qla24xx_beacon_off,
2338 	.beacon_blink		= qla83xx_beacon_blink,
2339 	.read_optrom		= qla25xx_read_optrom_data,
2340 	.write_optrom		= qla24xx_write_optrom_data,
2341 	.get_flash_version	= qla24xx_get_flash_version,
2342 	.start_scsi		= qla24xx_dif_start_scsi,
2343 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2344 	.abort_isp		= qla2x00_abort_isp,
2345 	.iospace_config		= qla2x00_iospace_config,
2346 	.initialize_adapter	= qla2x00_initialize_adapter,
2347 };
2348 
2349 static struct isp_operations qla82xx_isp_ops = {
2350 	.pci_config		= qla82xx_pci_config,
2351 	.reset_chip		= qla82xx_reset_chip,
2352 	.chip_diag		= qla24xx_chip_diag,
2353 	.config_rings		= qla82xx_config_rings,
2354 	.reset_adapter		= qla24xx_reset_adapter,
2355 	.nvram_config		= qla81xx_nvram_config,
2356 	.update_fw_options	= qla24xx_update_fw_options,
2357 	.load_risc		= qla82xx_load_risc,
2358 	.pci_info_str		= qla24xx_pci_info_str,
2359 	.fw_version_str		= qla24xx_fw_version_str,
2360 	.intr_handler		= qla82xx_intr_handler,
2361 	.enable_intrs		= qla82xx_enable_intrs,
2362 	.disable_intrs		= qla82xx_disable_intrs,
2363 	.abort_command		= qla24xx_abort_command,
2364 	.target_reset		= qla24xx_abort_target,
2365 	.lun_reset		= qla24xx_lun_reset,
2366 	.fabric_login		= qla24xx_login_fabric,
2367 	.fabric_logout		= qla24xx_fabric_logout,
2368 	.calc_req_entries	= NULL,
2369 	.build_iocbs		= NULL,
2370 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2371 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2372 	.read_nvram		= qla24xx_read_nvram_data,
2373 	.write_nvram		= qla24xx_write_nvram_data,
2374 	.fw_dump		= qla82xx_fw_dump,
2375 	.beacon_on		= qla82xx_beacon_on,
2376 	.beacon_off		= qla82xx_beacon_off,
2377 	.beacon_blink		= NULL,
2378 	.read_optrom		= qla82xx_read_optrom_data,
2379 	.write_optrom		= qla82xx_write_optrom_data,
2380 	.get_flash_version	= qla82xx_get_flash_version,
2381 	.start_scsi             = qla82xx_start_scsi,
2382 	.start_scsi_mq          = NULL,
2383 	.abort_isp		= qla82xx_abort_isp,
2384 	.iospace_config     	= qla82xx_iospace_config,
2385 	.initialize_adapter	= qla2x00_initialize_adapter,
2386 };
2387 
2388 static struct isp_operations qla8044_isp_ops = {
2389 	.pci_config		= qla82xx_pci_config,
2390 	.reset_chip		= qla82xx_reset_chip,
2391 	.chip_diag		= qla24xx_chip_diag,
2392 	.config_rings		= qla82xx_config_rings,
2393 	.reset_adapter		= qla24xx_reset_adapter,
2394 	.nvram_config		= qla81xx_nvram_config,
2395 	.update_fw_options	= qla24xx_update_fw_options,
2396 	.load_risc		= qla82xx_load_risc,
2397 	.pci_info_str		= qla24xx_pci_info_str,
2398 	.fw_version_str		= qla24xx_fw_version_str,
2399 	.intr_handler		= qla8044_intr_handler,
2400 	.enable_intrs		= qla82xx_enable_intrs,
2401 	.disable_intrs		= qla82xx_disable_intrs,
2402 	.abort_command		= qla24xx_abort_command,
2403 	.target_reset		= qla24xx_abort_target,
2404 	.lun_reset		= qla24xx_lun_reset,
2405 	.fabric_login		= qla24xx_login_fabric,
2406 	.fabric_logout		= qla24xx_fabric_logout,
2407 	.calc_req_entries	= NULL,
2408 	.build_iocbs		= NULL,
2409 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2410 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2411 	.read_nvram		= NULL,
2412 	.write_nvram		= NULL,
2413 	.fw_dump		= qla8044_fw_dump,
2414 	.beacon_on		= qla82xx_beacon_on,
2415 	.beacon_off		= qla82xx_beacon_off,
2416 	.beacon_blink		= NULL,
2417 	.read_optrom		= qla8044_read_optrom_data,
2418 	.write_optrom		= qla8044_write_optrom_data,
2419 	.get_flash_version	= qla82xx_get_flash_version,
2420 	.start_scsi             = qla82xx_start_scsi,
2421 	.start_scsi_mq          = NULL,
2422 	.abort_isp		= qla8044_abort_isp,
2423 	.iospace_config		= qla82xx_iospace_config,
2424 	.initialize_adapter	= qla2x00_initialize_adapter,
2425 };
2426 
2427 static struct isp_operations qla83xx_isp_ops = {
2428 	.pci_config		= qla25xx_pci_config,
2429 	.reset_chip		= qla24xx_reset_chip,
2430 	.chip_diag		= qla24xx_chip_diag,
2431 	.config_rings		= qla24xx_config_rings,
2432 	.reset_adapter		= qla24xx_reset_adapter,
2433 	.nvram_config		= qla81xx_nvram_config,
2434 	.update_fw_options	= qla24xx_update_fw_options,
2435 	.load_risc		= qla81xx_load_risc,
2436 	.pci_info_str		= qla24xx_pci_info_str,
2437 	.fw_version_str		= qla24xx_fw_version_str,
2438 	.intr_handler		= qla24xx_intr_handler,
2439 	.enable_intrs		= qla24xx_enable_intrs,
2440 	.disable_intrs		= qla24xx_disable_intrs,
2441 	.abort_command		= qla24xx_abort_command,
2442 	.target_reset		= qla24xx_abort_target,
2443 	.lun_reset		= qla24xx_lun_reset,
2444 	.fabric_login		= qla24xx_login_fabric,
2445 	.fabric_logout		= qla24xx_fabric_logout,
2446 	.calc_req_entries	= NULL,
2447 	.build_iocbs		= NULL,
2448 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2449 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2450 	.read_nvram		= NULL,
2451 	.write_nvram		= NULL,
2452 	.fw_dump		= qla83xx_fw_dump,
2453 	.beacon_on		= qla24xx_beacon_on,
2454 	.beacon_off		= qla24xx_beacon_off,
2455 	.beacon_blink		= qla83xx_beacon_blink,
2456 	.read_optrom		= qla25xx_read_optrom_data,
2457 	.write_optrom		= qla24xx_write_optrom_data,
2458 	.get_flash_version	= qla24xx_get_flash_version,
2459 	.start_scsi		= qla24xx_dif_start_scsi,
2460 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2461 	.abort_isp		= qla2x00_abort_isp,
2462 	.iospace_config		= qla83xx_iospace_config,
2463 	.initialize_adapter	= qla2x00_initialize_adapter,
2464 };
2465 
2466 static struct isp_operations qlafx00_isp_ops = {
2467 	.pci_config		= qlafx00_pci_config,
2468 	.reset_chip		= qlafx00_soft_reset,
2469 	.chip_diag		= qlafx00_chip_diag,
2470 	.config_rings		= qlafx00_config_rings,
2471 	.reset_adapter		= qlafx00_soft_reset,
2472 	.nvram_config		= NULL,
2473 	.update_fw_options	= NULL,
2474 	.load_risc		= NULL,
2475 	.pci_info_str		= qlafx00_pci_info_str,
2476 	.fw_version_str		= qlafx00_fw_version_str,
2477 	.intr_handler		= qlafx00_intr_handler,
2478 	.enable_intrs		= qlafx00_enable_intrs,
2479 	.disable_intrs		= qlafx00_disable_intrs,
2480 	.abort_command		= qla24xx_async_abort_command,
2481 	.target_reset		= qlafx00_abort_target,
2482 	.lun_reset		= qlafx00_lun_reset,
2483 	.fabric_login		= NULL,
2484 	.fabric_logout		= NULL,
2485 	.calc_req_entries	= NULL,
2486 	.build_iocbs		= NULL,
2487 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2488 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2489 	.read_nvram		= qla24xx_read_nvram_data,
2490 	.write_nvram		= qla24xx_write_nvram_data,
2491 	.fw_dump		= NULL,
2492 	.beacon_on		= qla24xx_beacon_on,
2493 	.beacon_off		= qla24xx_beacon_off,
2494 	.beacon_blink		= NULL,
2495 	.read_optrom		= qla24xx_read_optrom_data,
2496 	.write_optrom		= qla24xx_write_optrom_data,
2497 	.get_flash_version	= qla24xx_get_flash_version,
2498 	.start_scsi		= qlafx00_start_scsi,
2499 	.start_scsi_mq          = NULL,
2500 	.abort_isp		= qlafx00_abort_isp,
2501 	.iospace_config		= qlafx00_iospace_config,
2502 	.initialize_adapter	= qlafx00_initialize_adapter,
2503 };
2504 
2505 static struct isp_operations qla27xx_isp_ops = {
2506 	.pci_config		= qla25xx_pci_config,
2507 	.reset_chip		= qla24xx_reset_chip,
2508 	.chip_diag		= qla24xx_chip_diag,
2509 	.config_rings		= qla24xx_config_rings,
2510 	.reset_adapter		= qla24xx_reset_adapter,
2511 	.nvram_config		= qla81xx_nvram_config,
2512 	.update_fw_options	= qla24xx_update_fw_options,
2513 	.load_risc		= qla81xx_load_risc,
2514 	.pci_info_str		= qla24xx_pci_info_str,
2515 	.fw_version_str		= qla24xx_fw_version_str,
2516 	.intr_handler		= qla24xx_intr_handler,
2517 	.enable_intrs		= qla24xx_enable_intrs,
2518 	.disable_intrs		= qla24xx_disable_intrs,
2519 	.abort_command		= qla24xx_abort_command,
2520 	.target_reset		= qla24xx_abort_target,
2521 	.lun_reset		= qla24xx_lun_reset,
2522 	.fabric_login		= qla24xx_login_fabric,
2523 	.fabric_logout		= qla24xx_fabric_logout,
2524 	.calc_req_entries	= NULL,
2525 	.build_iocbs		= NULL,
2526 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2527 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2528 	.read_nvram		= NULL,
2529 	.write_nvram		= NULL,
2530 	.fw_dump		= qla27xx_fwdump,
2531 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2532 	.beacon_on		= qla24xx_beacon_on,
2533 	.beacon_off		= qla24xx_beacon_off,
2534 	.beacon_blink		= qla83xx_beacon_blink,
2535 	.read_optrom		= qla25xx_read_optrom_data,
2536 	.write_optrom		= qla24xx_write_optrom_data,
2537 	.get_flash_version	= qla24xx_get_flash_version,
2538 	.start_scsi		= qla24xx_dif_start_scsi,
2539 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2540 	.abort_isp		= qla2x00_abort_isp,
2541 	.iospace_config		= qla83xx_iospace_config,
2542 	.initialize_adapter	= qla2x00_initialize_adapter,
2543 };
2544 
2545 static inline void
2546 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2547 {
2548 	ha->device_type = DT_EXTENDED_IDS;
2549 	switch (ha->pdev->device) {
2550 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2551 		ha->isp_type |= DT_ISP2100;
2552 		ha->device_type &= ~DT_EXTENDED_IDS;
2553 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2554 		break;
2555 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2556 		ha->isp_type |= DT_ISP2200;
2557 		ha->device_type &= ~DT_EXTENDED_IDS;
2558 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2559 		break;
2560 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2561 		ha->isp_type |= DT_ISP2300;
2562 		ha->device_type |= DT_ZIO_SUPPORTED;
2563 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2564 		break;
2565 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2566 		ha->isp_type |= DT_ISP2312;
2567 		ha->device_type |= DT_ZIO_SUPPORTED;
2568 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2569 		break;
2570 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2571 		ha->isp_type |= DT_ISP2322;
2572 		ha->device_type |= DT_ZIO_SUPPORTED;
2573 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2574 		    ha->pdev->subsystem_device == 0x0170)
2575 			ha->device_type |= DT_OEM_001;
2576 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2577 		break;
2578 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2579 		ha->isp_type |= DT_ISP6312;
2580 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2581 		break;
2582 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2583 		ha->isp_type |= DT_ISP6322;
2584 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2585 		break;
2586 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2587 		ha->isp_type |= DT_ISP2422;
2588 		ha->device_type |= DT_ZIO_SUPPORTED;
2589 		ha->device_type |= DT_FWI2;
2590 		ha->device_type |= DT_IIDMA;
2591 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2592 		break;
2593 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2594 		ha->isp_type |= DT_ISP2432;
2595 		ha->device_type |= DT_ZIO_SUPPORTED;
2596 		ha->device_type |= DT_FWI2;
2597 		ha->device_type |= DT_IIDMA;
2598 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2599 		break;
2600 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2601 		ha->isp_type |= DT_ISP8432;
2602 		ha->device_type |= DT_ZIO_SUPPORTED;
2603 		ha->device_type |= DT_FWI2;
2604 		ha->device_type |= DT_IIDMA;
2605 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2606 		break;
2607 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2608 		ha->isp_type |= DT_ISP5422;
2609 		ha->device_type |= DT_FWI2;
2610 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2611 		break;
2612 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2613 		ha->isp_type |= DT_ISP5432;
2614 		ha->device_type |= DT_FWI2;
2615 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2616 		break;
2617 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2618 		ha->isp_type |= DT_ISP2532;
2619 		ha->device_type |= DT_ZIO_SUPPORTED;
2620 		ha->device_type |= DT_FWI2;
2621 		ha->device_type |= DT_IIDMA;
2622 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2623 		break;
2624 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2625 		ha->isp_type |= DT_ISP8001;
2626 		ha->device_type |= DT_ZIO_SUPPORTED;
2627 		ha->device_type |= DT_FWI2;
2628 		ha->device_type |= DT_IIDMA;
2629 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2630 		break;
2631 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2632 		ha->isp_type |= DT_ISP8021;
2633 		ha->device_type |= DT_ZIO_SUPPORTED;
2634 		ha->device_type |= DT_FWI2;
2635 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2636 		/* Initialize 82XX ISP flags */
2637 		qla82xx_init_flags(ha);
2638 		break;
2639 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2640 		ha->isp_type |= DT_ISP8044;
2641 		ha->device_type |= DT_ZIO_SUPPORTED;
2642 		ha->device_type |= DT_FWI2;
2643 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2644 		/* Initialize 82XX ISP flags */
2645 		qla82xx_init_flags(ha);
2646 		break;
2647 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2648 		ha->isp_type |= DT_ISP2031;
2649 		ha->device_type |= DT_ZIO_SUPPORTED;
2650 		ha->device_type |= DT_FWI2;
2651 		ha->device_type |= DT_IIDMA;
2652 		ha->device_type |= DT_T10_PI;
2653 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2654 		break;
2655 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2656 		ha->isp_type |= DT_ISP8031;
2657 		ha->device_type |= DT_ZIO_SUPPORTED;
2658 		ha->device_type |= DT_FWI2;
2659 		ha->device_type |= DT_IIDMA;
2660 		ha->device_type |= DT_T10_PI;
2661 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2662 		break;
2663 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2664 		ha->isp_type |= DT_ISPFX00;
2665 		break;
2666 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2667 		ha->isp_type |= DT_ISP2071;
2668 		ha->device_type |= DT_ZIO_SUPPORTED;
2669 		ha->device_type |= DT_FWI2;
2670 		ha->device_type |= DT_IIDMA;
2671 		ha->device_type |= DT_T10_PI;
2672 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2673 		break;
2674 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2675 		ha->isp_type |= DT_ISP2271;
2676 		ha->device_type |= DT_ZIO_SUPPORTED;
2677 		ha->device_type |= DT_FWI2;
2678 		ha->device_type |= DT_IIDMA;
2679 		ha->device_type |= DT_T10_PI;
2680 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2681 		break;
2682 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2683 		ha->isp_type |= DT_ISP2261;
2684 		ha->device_type |= DT_ZIO_SUPPORTED;
2685 		ha->device_type |= DT_FWI2;
2686 		ha->device_type |= DT_IIDMA;
2687 		ha->device_type |= DT_T10_PI;
2688 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2689 		break;
2690 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2691 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2692 		ha->isp_type |= DT_ISP2081;
2693 		ha->device_type |= DT_ZIO_SUPPORTED;
2694 		ha->device_type |= DT_FWI2;
2695 		ha->device_type |= DT_IIDMA;
2696 		ha->device_type |= DT_T10_PI;
2697 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2698 		break;
2699 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2700 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2701 		ha->isp_type |= DT_ISP2281;
2702 		ha->device_type |= DT_ZIO_SUPPORTED;
2703 		ha->device_type |= DT_FWI2;
2704 		ha->device_type |= DT_IIDMA;
2705 		ha->device_type |= DT_T10_PI;
2706 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2707 		break;
2708 	}
2709 
2710 	if (IS_QLA82XX(ha))
2711 		ha->port_no = ha->portnum & 1;
2712 	else {
2713 		/* Get adapter physical port no from interrupt pin register. */
2714 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2715 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2716 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2717 			ha->port_no--;
2718 		else
2719 			ha->port_no = !(ha->port_no & 1);
2720 	}
2721 
2722 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2723 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2724 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2725 }
2726 
2727 static void
2728 qla2xxx_scan_start(struct Scsi_Host *shost)
2729 {
2730 	scsi_qla_host_t *vha = shost_priv(shost);
2731 
2732 	if (vha->hw->flags.running_gold_fw)
2733 		return;
2734 
2735 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2736 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2737 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2738 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2739 }
2740 
2741 static int
2742 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2743 {
2744 	scsi_qla_host_t *vha = shost_priv(shost);
2745 
2746 	if (test_bit(UNLOADING, &vha->dpc_flags))
2747 		return 1;
2748 	if (!vha->host)
2749 		return 1;
2750 	if (time > vha->hw->loop_reset_delay * HZ)
2751 		return 1;
2752 
2753 	return atomic_read(&vha->loop_state) == LOOP_READY;
2754 }
2755 
2756 static void qla2x00_iocb_work_fn(struct work_struct *work)
2757 {
2758 	struct scsi_qla_host *vha = container_of(work,
2759 		struct scsi_qla_host, iocb_work);
2760 	struct qla_hw_data *ha = vha->hw;
2761 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2762 	int i = 2;
2763 	unsigned long flags;
2764 
2765 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2766 		return;
2767 
2768 	while (!list_empty(&vha->work_list) && i > 0) {
2769 		qla2x00_do_work(vha);
2770 		i--;
2771 	}
2772 
2773 	spin_lock_irqsave(&vha->work_lock, flags);
2774 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2775 	spin_unlock_irqrestore(&vha->work_lock, flags);
2776 }
2777 
2778 /*
2779  * PCI driver interface
2780  */
2781 static int
2782 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2783 {
2784 	int	ret = -ENODEV;
2785 	struct Scsi_Host *host;
2786 	scsi_qla_host_t *base_vha = NULL;
2787 	struct qla_hw_data *ha;
2788 	char pci_info[30];
2789 	char fw_str[30], wq_name[30];
2790 	struct scsi_host_template *sht;
2791 	int bars, mem_only = 0;
2792 	uint16_t req_length = 0, rsp_length = 0;
2793 	struct req_que *req = NULL;
2794 	struct rsp_que *rsp = NULL;
2795 	int i;
2796 
2797 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2798 	sht = &qla2xxx_driver_template;
2799 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2800 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2801 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2802 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2803 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2804 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2805 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2806 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2807 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2808 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2809 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2810 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2811 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2812 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2813 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2814 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2815 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2816 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2817 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2818 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2819 		mem_only = 1;
2820 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2821 		    "Mem only adapter.\n");
2822 	}
2823 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2824 	    "Bars=%d.\n", bars);
2825 
2826 	if (mem_only) {
2827 		if (pci_enable_device_mem(pdev))
2828 			return ret;
2829 	} else {
2830 		if (pci_enable_device(pdev))
2831 			return ret;
2832 	}
2833 
2834 	/* This may fail but that's ok */
2835 	pci_enable_pcie_error_reporting(pdev);
2836 
2837 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2838 	if (!ha) {
2839 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2840 		    "Unable to allocate memory for ha.\n");
2841 		goto disable_device;
2842 	}
2843 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2844 	    "Memory allocated for ha=%p.\n", ha);
2845 	ha->pdev = pdev;
2846 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2847 	spin_lock_init(&ha->tgt.q_full_lock);
2848 	spin_lock_init(&ha->tgt.sess_lock);
2849 	spin_lock_init(&ha->tgt.atio_lock);
2850 
2851 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2852 
2853 	/* Clear our data area */
2854 	ha->bars = bars;
2855 	ha->mem_only = mem_only;
2856 	spin_lock_init(&ha->hardware_lock);
2857 	spin_lock_init(&ha->vport_slock);
2858 	mutex_init(&ha->selflogin_lock);
2859 	mutex_init(&ha->optrom_mutex);
2860 
2861 	/* Set ISP-type information. */
2862 	qla2x00_set_isp_flags(ha);
2863 
2864 	/* Set EEH reset type to fundamental if required by hba */
2865 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2866 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2867 		pdev->needs_freset = 1;
2868 
2869 	ha->prev_topology = 0;
2870 	ha->init_cb_size = sizeof(init_cb_t);
2871 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2872 	ha->optrom_size = OPTROM_SIZE_2300;
2873 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2874 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2875 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2876 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2877 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2878 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2879 
2880 	/* Assign ISP specific operations. */
2881 	if (IS_QLA2100(ha)) {
2882 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2883 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2884 		req_length = REQUEST_ENTRY_CNT_2100;
2885 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2886 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2887 		ha->gid_list_info_size = 4;
2888 		ha->flash_conf_off = ~0;
2889 		ha->flash_data_off = ~0;
2890 		ha->nvram_conf_off = ~0;
2891 		ha->nvram_data_off = ~0;
2892 		ha->isp_ops = &qla2100_isp_ops;
2893 	} else if (IS_QLA2200(ha)) {
2894 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2895 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2896 		req_length = REQUEST_ENTRY_CNT_2200;
2897 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2898 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2899 		ha->gid_list_info_size = 4;
2900 		ha->flash_conf_off = ~0;
2901 		ha->flash_data_off = ~0;
2902 		ha->nvram_conf_off = ~0;
2903 		ha->nvram_data_off = ~0;
2904 		ha->isp_ops = &qla2100_isp_ops;
2905 	} else if (IS_QLA23XX(ha)) {
2906 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2907 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2908 		req_length = REQUEST_ENTRY_CNT_2200;
2909 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2910 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2911 		ha->gid_list_info_size = 6;
2912 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2913 			ha->optrom_size = OPTROM_SIZE_2322;
2914 		ha->flash_conf_off = ~0;
2915 		ha->flash_data_off = ~0;
2916 		ha->nvram_conf_off = ~0;
2917 		ha->nvram_data_off = ~0;
2918 		ha->isp_ops = &qla2300_isp_ops;
2919 	} else if (IS_QLA24XX_TYPE(ha)) {
2920 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2921 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2922 		req_length = REQUEST_ENTRY_CNT_24XX;
2923 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2924 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2925 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2926 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2927 		ha->gid_list_info_size = 8;
2928 		ha->optrom_size = OPTROM_SIZE_24XX;
2929 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2930 		ha->isp_ops = &qla24xx_isp_ops;
2931 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2932 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2933 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2934 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2935 	} else if (IS_QLA25XX(ha)) {
2936 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2937 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2938 		req_length = REQUEST_ENTRY_CNT_24XX;
2939 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2940 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2941 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2942 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2943 		ha->gid_list_info_size = 8;
2944 		ha->optrom_size = OPTROM_SIZE_25XX;
2945 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2946 		ha->isp_ops = &qla25xx_isp_ops;
2947 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2948 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2949 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2950 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2951 	} else if (IS_QLA81XX(ha)) {
2952 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2953 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2954 		req_length = REQUEST_ENTRY_CNT_24XX;
2955 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2956 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2957 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2958 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2959 		ha->gid_list_info_size = 8;
2960 		ha->optrom_size = OPTROM_SIZE_81XX;
2961 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2962 		ha->isp_ops = &qla81xx_isp_ops;
2963 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2964 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2965 		ha->nvram_conf_off = ~0;
2966 		ha->nvram_data_off = ~0;
2967 	} else if (IS_QLA82XX(ha)) {
2968 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2969 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2970 		req_length = REQUEST_ENTRY_CNT_82XX;
2971 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2972 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2973 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2974 		ha->gid_list_info_size = 8;
2975 		ha->optrom_size = OPTROM_SIZE_82XX;
2976 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2977 		ha->isp_ops = &qla82xx_isp_ops;
2978 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2979 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2980 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2981 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2982 	} else if (IS_QLA8044(ha)) {
2983 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2984 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2985 		req_length = REQUEST_ENTRY_CNT_82XX;
2986 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2987 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2988 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2989 		ha->gid_list_info_size = 8;
2990 		ha->optrom_size = OPTROM_SIZE_83XX;
2991 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2992 		ha->isp_ops = &qla8044_isp_ops;
2993 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2994 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2995 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2996 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2997 	} else if (IS_QLA83XX(ha)) {
2998 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2999 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3000 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3001 		req_length = REQUEST_ENTRY_CNT_83XX;
3002 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3003 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3004 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3005 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3006 		ha->gid_list_info_size = 8;
3007 		ha->optrom_size = OPTROM_SIZE_83XX;
3008 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3009 		ha->isp_ops = &qla83xx_isp_ops;
3010 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3011 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3012 		ha->nvram_conf_off = ~0;
3013 		ha->nvram_data_off = ~0;
3014 	}  else if (IS_QLAFX00(ha)) {
3015 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3016 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3017 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3018 		req_length = REQUEST_ENTRY_CNT_FX00;
3019 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3020 		ha->isp_ops = &qlafx00_isp_ops;
3021 		ha->port_down_retry_count = 30; /* default value */
3022 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3023 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3024 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3025 		ha->mr.fw_hbt_en = 1;
3026 		ha->mr.host_info_resend = false;
3027 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3028 	} else if (IS_QLA27XX(ha)) {
3029 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3030 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3031 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3032 		req_length = REQUEST_ENTRY_CNT_83XX;
3033 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3034 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3035 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3036 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3037 		ha->gid_list_info_size = 8;
3038 		ha->optrom_size = OPTROM_SIZE_83XX;
3039 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3040 		ha->isp_ops = &qla27xx_isp_ops;
3041 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3042 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3043 		ha->nvram_conf_off = ~0;
3044 		ha->nvram_data_off = ~0;
3045 	} else if (IS_QLA28XX(ha)) {
3046 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3047 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3048 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3049 		req_length = REQUEST_ENTRY_CNT_24XX;
3050 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3051 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3052 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3053 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3054 		ha->gid_list_info_size = 8;
3055 		ha->optrom_size = OPTROM_SIZE_28XX;
3056 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3057 		ha->isp_ops = &qla27xx_isp_ops;
3058 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3059 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3060 		ha->nvram_conf_off = ~0;
3061 		ha->nvram_data_off = ~0;
3062 	}
3063 
3064 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3065 	    "mbx_count=%d, req_length=%d, "
3066 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3067 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3068 	    "max_fibre_devices=%d.\n",
3069 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3070 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3071 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3072 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3073 	    "isp_ops=%p, flash_conf_off=%d, "
3074 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3075 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3076 	    ha->nvram_conf_off, ha->nvram_data_off);
3077 
3078 	/* Configure PCI I/O space */
3079 	ret = ha->isp_ops->iospace_config(ha);
3080 	if (ret)
3081 		goto iospace_config_failed;
3082 
3083 	ql_log_pci(ql_log_info, pdev, 0x001d,
3084 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3085 	    pdev->device, pdev->irq, ha->iobase);
3086 	mutex_init(&ha->vport_lock);
3087 	mutex_init(&ha->mq_lock);
3088 	init_completion(&ha->mbx_cmd_comp);
3089 	complete(&ha->mbx_cmd_comp);
3090 	init_completion(&ha->mbx_intr_comp);
3091 	init_completion(&ha->dcbx_comp);
3092 	init_completion(&ha->lb_portup_comp);
3093 
3094 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3095 
3096 	qla2x00_config_dma_addressing(ha);
3097 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3098 	    "64 Bit addressing is %s.\n",
3099 	    ha->flags.enable_64bit_addressing ? "enable" :
3100 	    "disable");
3101 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3102 	if (ret) {
3103 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3104 		    "Failed to allocate memory for adapter, aborting.\n");
3105 
3106 		goto probe_hw_failed;
3107 	}
3108 
3109 	req->max_q_depth = MAX_Q_DEPTH;
3110 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3111 		req->max_q_depth = ql2xmaxqdepth;
3112 
3113 
3114 	base_vha = qla2x00_create_host(sht, ha);
3115 	if (!base_vha) {
3116 		ret = -ENOMEM;
3117 		goto probe_hw_failed;
3118 	}
3119 
3120 	pci_set_drvdata(pdev, base_vha);
3121 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3122 
3123 	host = base_vha->host;
3124 	base_vha->req = req;
3125 	if (IS_QLA2XXX_MIDTYPE(ha))
3126 		base_vha->mgmt_svr_loop_id =
3127 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3128 	else
3129 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3130 						base_vha->vp_idx;
3131 
3132 	/* Setup fcport template structure. */
3133 	ha->mr.fcport.vha = base_vha;
3134 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3135 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3136 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3137 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3138 	ha->mr.fcport.scan_state = 1;
3139 
3140 	/* Set the SG table size based on ISP type */
3141 	if (!IS_FWI2_CAPABLE(ha)) {
3142 		if (IS_QLA2100(ha))
3143 			host->sg_tablesize = 32;
3144 	} else {
3145 		if (!IS_QLA82XX(ha))
3146 			host->sg_tablesize = QLA_SG_ALL;
3147 	}
3148 	host->max_id = ha->max_fibre_devices;
3149 	host->cmd_per_lun = 3;
3150 	host->unique_id = host->host_no;
3151 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3152 		host->max_cmd_len = 32;
3153 	else
3154 		host->max_cmd_len = MAX_CMDSZ;
3155 	host->max_channel = MAX_BUSES - 1;
3156 	/* Older HBAs support only 16-bit LUNs */
3157 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3158 	    ql2xmaxlun > 0xffff)
3159 		host->max_lun = 0xffff;
3160 	else
3161 		host->max_lun = ql2xmaxlun;
3162 	host->transportt = qla2xxx_transport_template;
3163 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3164 
3165 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3166 	    "max_id=%d this_id=%d "
3167 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3168 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3169 	    host->this_id, host->cmd_per_lun, host->unique_id,
3170 	    host->max_cmd_len, host->max_channel, host->max_lun,
3171 	    host->transportt, sht->vendor_id);
3172 
3173 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3174 
3175 	/* Set up the irqs */
3176 	ret = qla2x00_request_irqs(ha, rsp);
3177 	if (ret)
3178 		goto probe_failed;
3179 
3180 	/* Alloc arrays of request and response ring ptrs */
3181 	ret = qla2x00_alloc_queues(ha, req, rsp);
3182 	if (ret) {
3183 		ql_log(ql_log_fatal, base_vha, 0x003d,
3184 		    "Failed to allocate memory for queue pointers..."
3185 		    "aborting.\n");
3186 		ret = -ENODEV;
3187 		goto probe_failed;
3188 	}
3189 
3190 	if (ha->mqenable) {
3191 		/* number of hardware queues supported by blk/scsi-mq*/
3192 		host->nr_hw_queues = ha->max_qpairs;
3193 
3194 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3195 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3196 	} else {
3197 		if (ql2xnvmeenable) {
3198 			host->nr_hw_queues = ha->max_qpairs;
3199 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3200 			    "FC-NVMe support is enabled, HW queues=%d\n",
3201 			    host->nr_hw_queues);
3202 		} else {
3203 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3204 			    "blk/scsi-mq disabled.\n");
3205 		}
3206 	}
3207 
3208 	qlt_probe_one_stage1(base_vha, ha);
3209 
3210 	pci_save_state(pdev);
3211 
3212 	/* Assign back pointers */
3213 	rsp->req = req;
3214 	req->rsp = rsp;
3215 
3216 	if (IS_QLAFX00(ha)) {
3217 		ha->rsp_q_map[0] = rsp;
3218 		ha->req_q_map[0] = req;
3219 		set_bit(0, ha->req_qid_map);
3220 		set_bit(0, ha->rsp_qid_map);
3221 	}
3222 
3223 	/* FWI2-capable only. */
3224 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3225 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3226 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3227 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3228 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3229 	    IS_QLA28XX(ha)) {
3230 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3231 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3232 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3233 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3234 	}
3235 
3236 	if (IS_QLAFX00(ha)) {
3237 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3238 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3239 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3240 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3241 	}
3242 
3243 	if (IS_P3P_TYPE(ha)) {
3244 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3245 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3246 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3247 	}
3248 
3249 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3250 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3251 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3252 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3253 	    "req->req_q_in=%p req->req_q_out=%p "
3254 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3255 	    req->req_q_in, req->req_q_out,
3256 	    rsp->rsp_q_in, rsp->rsp_q_out);
3257 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3258 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3259 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3260 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3261 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3262 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3263 
3264 	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3265 	if (unlikely(!ha->wq)) {
3266 		ret = -ENOMEM;
3267 		goto probe_failed;
3268 	}
3269 
3270 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3271 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3272 		    "Failed to initialize adapter - Adapter flags %x.\n",
3273 		    base_vha->device_flags);
3274 
3275 		if (IS_QLA82XX(ha)) {
3276 			qla82xx_idc_lock(ha);
3277 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3278 				QLA8XXX_DEV_FAILED);
3279 			qla82xx_idc_unlock(ha);
3280 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3281 			    "HW State: FAILED.\n");
3282 		} else if (IS_QLA8044(ha)) {
3283 			qla8044_idc_lock(ha);
3284 			qla8044_wr_direct(base_vha,
3285 				QLA8044_CRB_DEV_STATE_INDEX,
3286 				QLA8XXX_DEV_FAILED);
3287 			qla8044_idc_unlock(ha);
3288 			ql_log(ql_log_fatal, base_vha, 0x0150,
3289 			    "HW State: FAILED.\n");
3290 		}
3291 
3292 		ret = -ENODEV;
3293 		goto probe_failed;
3294 	}
3295 
3296 	if (IS_QLAFX00(ha))
3297 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3298 	else
3299 		host->can_queue = req->num_outstanding_cmds - 10;
3300 
3301 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3302 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3303 	    host->can_queue, base_vha->req,
3304 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3305 
3306 	if (ha->mqenable) {
3307 		bool startit = false;
3308 
3309 		if (QLA_TGT_MODE_ENABLED())
3310 			startit = false;
3311 
3312 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3313 			startit = true;
3314 
3315 		/* Create start of day qpairs for Block MQ */
3316 		for (i = 0; i < ha->max_qpairs; i++)
3317 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3318 	}
3319 
3320 	if (ha->flags.running_gold_fw)
3321 		goto skip_dpc;
3322 
3323 	/*
3324 	 * Startup the kernel thread for this host adapter
3325 	 */
3326 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3327 	    "%s_dpc", base_vha->host_str);
3328 	if (IS_ERR(ha->dpc_thread)) {
3329 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3330 		    "Failed to start DPC thread.\n");
3331 		ret = PTR_ERR(ha->dpc_thread);
3332 		ha->dpc_thread = NULL;
3333 		goto probe_failed;
3334 	}
3335 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3336 	    "DPC thread started successfully.\n");
3337 
3338 	/*
3339 	 * If we're not coming up in initiator mode, we might sit for
3340 	 * a while without waking up the dpc thread, which leads to a
3341 	 * stuck process warning.  So just kick the dpc once here and
3342 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3343 	 */
3344 	qla2xxx_wake_dpc(base_vha);
3345 
3346 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3347 
3348 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3349 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3350 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3351 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3352 
3353 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3354 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3355 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3356 		INIT_WORK(&ha->idc_state_handler,
3357 		    qla83xx_idc_state_handler_work);
3358 		INIT_WORK(&ha->nic_core_unrecoverable,
3359 		    qla83xx_nic_core_unrecoverable_work);
3360 	}
3361 
3362 skip_dpc:
3363 	list_add_tail(&base_vha->list, &ha->vp_list);
3364 	base_vha->host->irq = ha->pdev->irq;
3365 
3366 	/* Initialized the timer */
3367 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3368 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3369 	    "Started qla2x00_timer with "
3370 	    "interval=%d.\n", WATCH_INTERVAL);
3371 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3372 	    "Detected hba at address=%p.\n",
3373 	    ha);
3374 
3375 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3376 		if (ha->fw_attributes & BIT_4) {
3377 			int prot = 0, guard;
3378 
3379 			base_vha->flags.difdix_supported = 1;
3380 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3381 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3382 			if (ql2xenabledif == 1)
3383 				prot = SHOST_DIX_TYPE0_PROTECTION;
3384 			if (ql2xprotmask)
3385 				scsi_host_set_prot(host, ql2xprotmask);
3386 			else
3387 				scsi_host_set_prot(host,
3388 				    prot | SHOST_DIF_TYPE1_PROTECTION
3389 				    | SHOST_DIF_TYPE2_PROTECTION
3390 				    | SHOST_DIF_TYPE3_PROTECTION
3391 				    | SHOST_DIX_TYPE1_PROTECTION
3392 				    | SHOST_DIX_TYPE2_PROTECTION
3393 				    | SHOST_DIX_TYPE3_PROTECTION);
3394 
3395 			guard = SHOST_DIX_GUARD_CRC;
3396 
3397 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3398 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3399 				guard |= SHOST_DIX_GUARD_IP;
3400 
3401 			if (ql2xprotguard)
3402 				scsi_host_set_guard(host, ql2xprotguard);
3403 			else
3404 				scsi_host_set_guard(host, guard);
3405 		} else
3406 			base_vha->flags.difdix_supported = 0;
3407 	}
3408 
3409 	ha->isp_ops->enable_intrs(ha);
3410 
3411 	if (IS_QLAFX00(ha)) {
3412 		ret = qlafx00_fx_disc(base_vha,
3413 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3414 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3415 		    QLA_SG_ALL : 128;
3416 	}
3417 
3418 	ret = scsi_add_host(host, &pdev->dev);
3419 	if (ret)
3420 		goto probe_failed;
3421 
3422 	base_vha->flags.init_done = 1;
3423 	base_vha->flags.online = 1;
3424 	ha->prev_minidump_failed = 0;
3425 
3426 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3427 	    "Init done and hba is online.\n");
3428 
3429 	if (qla_ini_mode_enabled(base_vha) ||
3430 		qla_dual_mode_enabled(base_vha))
3431 		scsi_scan_host(host);
3432 	else
3433 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3434 			"skipping scsi_scan_host() for non-initiator port\n");
3435 
3436 	qla2x00_alloc_sysfs_attr(base_vha);
3437 
3438 	if (IS_QLAFX00(ha)) {
3439 		ret = qlafx00_fx_disc(base_vha,
3440 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3441 
3442 		/* Register system information */
3443 		ret =  qlafx00_fx_disc(base_vha,
3444 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3445 	}
3446 
3447 	qla2x00_init_host_attr(base_vha);
3448 
3449 	qla2x00_dfs_setup(base_vha);
3450 
3451 	ql_log(ql_log_info, base_vha, 0x00fb,
3452 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3453 	ql_log(ql_log_info, base_vha, 0x00fc,
3454 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3455 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3456 						       sizeof(pci_info)),
3457 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3458 	    base_vha->host_no,
3459 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3460 
3461 	qlt_add_target(ha, base_vha);
3462 
3463 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3464 
3465 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3466 		return -ENODEV;
3467 
3468 	return 0;
3469 
3470 probe_failed:
3471 	if (base_vha->gnl.l) {
3472 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3473 				base_vha->gnl.l, base_vha->gnl.ldma);
3474 		base_vha->gnl.l = NULL;
3475 	}
3476 
3477 	if (base_vha->timer_active)
3478 		qla2x00_stop_timer(base_vha);
3479 	base_vha->flags.online = 0;
3480 	if (ha->dpc_thread) {
3481 		struct task_struct *t = ha->dpc_thread;
3482 
3483 		ha->dpc_thread = NULL;
3484 		kthread_stop(t);
3485 	}
3486 
3487 	qla2x00_free_device(base_vha);
3488 	scsi_host_put(base_vha->host);
3489 	/*
3490 	 * Need to NULL out local req/rsp after
3491 	 * qla2x00_free_device => qla2x00_free_queues frees
3492 	 * what these are pointing to. Or else we'll
3493 	 * fall over below in qla2x00_free_req/rsp_que.
3494 	 */
3495 	req = NULL;
3496 	rsp = NULL;
3497 
3498 probe_hw_failed:
3499 	qla2x00_mem_free(ha);
3500 	qla2x00_free_req_que(ha, req);
3501 	qla2x00_free_rsp_que(ha, rsp);
3502 	qla2x00_clear_drv_active(ha);
3503 
3504 iospace_config_failed:
3505 	if (IS_P3P_TYPE(ha)) {
3506 		if (!ha->nx_pcibase)
3507 			iounmap((device_reg_t *)ha->nx_pcibase);
3508 		if (!ql2xdbwr)
3509 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3510 	} else {
3511 		if (ha->iobase)
3512 			iounmap(ha->iobase);
3513 		if (ha->cregbase)
3514 			iounmap(ha->cregbase);
3515 	}
3516 	pci_release_selected_regions(ha->pdev, ha->bars);
3517 	kfree(ha);
3518 
3519 disable_device:
3520 	pci_disable_device(pdev);
3521 	return ret;
3522 }
3523 
3524 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3525 {
3526 	scsi_qla_host_t *vp;
3527 	unsigned long flags;
3528 	struct qla_hw_data *ha;
3529 
3530 	if (!base_vha)
3531 		return;
3532 
3533 	ha = base_vha->hw;
3534 
3535 	spin_lock_irqsave(&ha->vport_slock, flags);
3536 	list_for_each_entry(vp, &ha->vp_list, list)
3537 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3538 
3539 	/*
3540 	 * Indicate device removal to prevent future board_disable
3541 	 * and wait until any pending board_disable has completed.
3542 	 */
3543 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3544 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3545 }
3546 
3547 static void
3548 qla2x00_shutdown(struct pci_dev *pdev)
3549 {
3550 	scsi_qla_host_t *vha;
3551 	struct qla_hw_data  *ha;
3552 
3553 	vha = pci_get_drvdata(pdev);
3554 	ha = vha->hw;
3555 
3556 	ql_log(ql_log_info, vha, 0xfffa,
3557 		"Adapter shutdown\n");
3558 
3559 	/*
3560 	 * Prevent future board_disable and wait
3561 	 * until any pending board_disable has completed.
3562 	 */
3563 	__qla_set_remove_flag(vha);
3564 	cancel_work_sync(&ha->board_disable);
3565 
3566 	if (!atomic_read(&pdev->enable_cnt))
3567 		return;
3568 
3569 	/* Notify ISPFX00 firmware */
3570 	if (IS_QLAFX00(ha))
3571 		qlafx00_driver_shutdown(vha, 20);
3572 
3573 	/* Turn-off FCE trace */
3574 	if (ha->flags.fce_enabled) {
3575 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3576 		ha->flags.fce_enabled = 0;
3577 	}
3578 
3579 	/* Turn-off EFT trace */
3580 	if (ha->eft)
3581 		qla2x00_disable_eft_trace(vha);
3582 
3583 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3584 	    IS_QLA28XX(ha)) {
3585 		if (ha->flags.fw_started)
3586 			qla2x00_abort_isp_cleanup(vha);
3587 	} else {
3588 		/* Stop currently executing firmware. */
3589 		qla2x00_try_to_stop_firmware(vha);
3590 	}
3591 
3592 	/* Disable timer */
3593 	if (vha->timer_active)
3594 		qla2x00_stop_timer(vha);
3595 
3596 	/* Turn adapter off line */
3597 	vha->flags.online = 0;
3598 
3599 	/* turn-off interrupts on the card */
3600 	if (ha->interrupts_on) {
3601 		vha->flags.init_done = 0;
3602 		ha->isp_ops->disable_intrs(ha);
3603 	}
3604 
3605 	qla2x00_free_irqs(vha);
3606 
3607 	qla2x00_free_fw_dump(ha);
3608 
3609 	pci_disable_device(pdev);
3610 	ql_log(ql_log_info, vha, 0xfffe,
3611 		"Adapter shutdown successfully.\n");
3612 }
3613 
3614 /* Deletes all the virtual ports for a given ha */
3615 static void
3616 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3617 {
3618 	scsi_qla_host_t *vha;
3619 	unsigned long flags;
3620 
3621 	mutex_lock(&ha->vport_lock);
3622 	while (ha->cur_vport_count) {
3623 		spin_lock_irqsave(&ha->vport_slock, flags);
3624 
3625 		BUG_ON(base_vha->list.next == &ha->vp_list);
3626 		/* This assumes first entry in ha->vp_list is always base vha */
3627 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3628 		scsi_host_get(vha->host);
3629 
3630 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3631 		mutex_unlock(&ha->vport_lock);
3632 
3633 		qla_nvme_delete(vha);
3634 
3635 		fc_vport_terminate(vha->fc_vport);
3636 		scsi_host_put(vha->host);
3637 
3638 		mutex_lock(&ha->vport_lock);
3639 	}
3640 	mutex_unlock(&ha->vport_lock);
3641 }
3642 
3643 /* Stops all deferred work threads */
3644 static void
3645 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3646 {
3647 	/* Cancel all work and destroy DPC workqueues */
3648 	if (ha->dpc_lp_wq) {
3649 		cancel_work_sync(&ha->idc_aen);
3650 		destroy_workqueue(ha->dpc_lp_wq);
3651 		ha->dpc_lp_wq = NULL;
3652 	}
3653 
3654 	if (ha->dpc_hp_wq) {
3655 		cancel_work_sync(&ha->nic_core_reset);
3656 		cancel_work_sync(&ha->idc_state_handler);
3657 		cancel_work_sync(&ha->nic_core_unrecoverable);
3658 		destroy_workqueue(ha->dpc_hp_wq);
3659 		ha->dpc_hp_wq = NULL;
3660 	}
3661 
3662 	/* Kill the kernel thread for this host */
3663 	if (ha->dpc_thread) {
3664 		struct task_struct *t = ha->dpc_thread;
3665 
3666 		/*
3667 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3668 		 * so we need to zero it out.
3669 		 */
3670 		ha->dpc_thread = NULL;
3671 		kthread_stop(t);
3672 	}
3673 }
3674 
3675 static void
3676 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3677 {
3678 	if (IS_QLA82XX(ha)) {
3679 
3680 		iounmap((device_reg_t *)ha->nx_pcibase);
3681 		if (!ql2xdbwr)
3682 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3683 	} else {
3684 		if (ha->iobase)
3685 			iounmap(ha->iobase);
3686 
3687 		if (ha->cregbase)
3688 			iounmap(ha->cregbase);
3689 
3690 		if (ha->mqiobase)
3691 			iounmap(ha->mqiobase);
3692 
3693 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
3694 		    ha->msixbase)
3695 			iounmap(ha->msixbase);
3696 	}
3697 }
3698 
3699 static void
3700 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3701 {
3702 	if (IS_QLA8044(ha)) {
3703 		qla8044_idc_lock(ha);
3704 		qla8044_clear_drv_active(ha);
3705 		qla8044_idc_unlock(ha);
3706 	} else if (IS_QLA82XX(ha)) {
3707 		qla82xx_idc_lock(ha);
3708 		qla82xx_clear_drv_active(ha);
3709 		qla82xx_idc_unlock(ha);
3710 	}
3711 }
3712 
3713 static void
3714 qla2x00_remove_one(struct pci_dev *pdev)
3715 {
3716 	scsi_qla_host_t *base_vha;
3717 	struct qla_hw_data  *ha;
3718 
3719 	base_vha = pci_get_drvdata(pdev);
3720 	ha = base_vha->hw;
3721 	ql_log(ql_log_info, base_vha, 0xb079,
3722 	    "Removing driver\n");
3723 	__qla_set_remove_flag(base_vha);
3724 	cancel_work_sync(&ha->board_disable);
3725 
3726 	/*
3727 	 * If the PCI device is disabled then there was a PCI-disconnect and
3728 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3729 	 * resources.
3730 	 */
3731 	if (!atomic_read(&pdev->enable_cnt)) {
3732 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3733 		    base_vha->gnl.l, base_vha->gnl.ldma);
3734 		base_vha->gnl.l = NULL;
3735 		scsi_host_put(base_vha->host);
3736 		kfree(ha);
3737 		pci_set_drvdata(pdev, NULL);
3738 		return;
3739 	}
3740 	qla2x00_wait_for_hba_ready(base_vha);
3741 
3742 	/*
3743 	 * if UNLOADING flag is already set, then continue unload,
3744 	 * where it was set first.
3745 	 */
3746 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3747 		return;
3748 
3749 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3750 	    IS_QLA28XX(ha)) {
3751 		if (ha->flags.fw_started)
3752 			qla2x00_abort_isp_cleanup(base_vha);
3753 	} else if (!IS_QLAFX00(ha)) {
3754 		if (IS_QLA8031(ha)) {
3755 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3756 			    "Clearing fcoe driver presence.\n");
3757 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3758 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3759 				    "Error while clearing DRV-Presence.\n");
3760 		}
3761 
3762 		qla2x00_try_to_stop_firmware(base_vha);
3763 	}
3764 
3765 	qla2x00_wait_for_sess_deletion(base_vha);
3766 
3767 	qla_nvme_delete(base_vha);
3768 
3769 	dma_free_coherent(&ha->pdev->dev,
3770 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3771 
3772 	base_vha->gnl.l = NULL;
3773 
3774 	vfree(base_vha->scan.l);
3775 
3776 	if (IS_QLAFX00(ha))
3777 		qlafx00_driver_shutdown(base_vha, 20);
3778 
3779 	qla2x00_delete_all_vps(ha, base_vha);
3780 
3781 	qla2x00_dfs_remove(base_vha);
3782 
3783 	qla84xx_put_chip(base_vha);
3784 
3785 	/* Disable timer */
3786 	if (base_vha->timer_active)
3787 		qla2x00_stop_timer(base_vha);
3788 
3789 	base_vha->flags.online = 0;
3790 
3791 	/* free DMA memory */
3792 	if (ha->exlogin_buf)
3793 		qla2x00_free_exlogin_buffer(ha);
3794 
3795 	/* free DMA memory */
3796 	if (ha->exchoffld_buf)
3797 		qla2x00_free_exchoffld_buffer(ha);
3798 
3799 	qla2x00_destroy_deferred_work(ha);
3800 
3801 	qlt_remove_target(ha, base_vha);
3802 
3803 	qla2x00_free_sysfs_attr(base_vha, true);
3804 
3805 	fc_remove_host(base_vha->host);
3806 	qlt_remove_target_resources(ha);
3807 
3808 	scsi_remove_host(base_vha->host);
3809 
3810 	qla2x00_free_device(base_vha);
3811 
3812 	qla2x00_clear_drv_active(ha);
3813 
3814 	scsi_host_put(base_vha->host);
3815 
3816 	qla2x00_unmap_iobases(ha);
3817 
3818 	pci_release_selected_regions(ha->pdev, ha->bars);
3819 	kfree(ha);
3820 
3821 	pci_disable_pcie_error_reporting(pdev);
3822 
3823 	pci_disable_device(pdev);
3824 }
3825 
3826 static inline void
3827 qla24xx_free_purex_list(struct purex_list *list)
3828 {
3829 	struct list_head *item, *next;
3830 	ulong flags;
3831 
3832 	spin_lock_irqsave(&list->lock, flags);
3833 	list_for_each_safe(item, next, &list->head) {
3834 		list_del(item);
3835 		kfree(list_entry(item, struct purex_item, list));
3836 	}
3837 	spin_unlock_irqrestore(&list->lock, flags);
3838 }
3839 
3840 static void
3841 qla2x00_free_device(scsi_qla_host_t *vha)
3842 {
3843 	struct qla_hw_data *ha = vha->hw;
3844 
3845 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3846 
3847 	/* Disable timer */
3848 	if (vha->timer_active)
3849 		qla2x00_stop_timer(vha);
3850 
3851 	qla25xx_delete_queues(vha);
3852 	vha->flags.online = 0;
3853 
3854 	/* turn-off interrupts on the card */
3855 	if (ha->interrupts_on) {
3856 		vha->flags.init_done = 0;
3857 		ha->isp_ops->disable_intrs(ha);
3858 	}
3859 
3860 	qla2x00_free_fcports(vha);
3861 
3862 	qla2x00_free_irqs(vha);
3863 
3864 	/* Flush the work queue and remove it */
3865 	if (ha->wq) {
3866 		flush_workqueue(ha->wq);
3867 		destroy_workqueue(ha->wq);
3868 		ha->wq = NULL;
3869 	}
3870 
3871 
3872 	qla24xx_free_purex_list(&vha->purex_list);
3873 
3874 	qla2x00_mem_free(ha);
3875 
3876 	qla82xx_md_free(vha);
3877 
3878 	qla2x00_free_queues(ha);
3879 }
3880 
3881 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3882 {
3883 	fc_port_t *fcport, *tfcport;
3884 
3885 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
3886 		qla2x00_free_fcport(fcport);
3887 }
3888 
3889 static inline void
3890 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
3891 {
3892 	int now;
3893 
3894 	if (!fcport->rport)
3895 		return;
3896 
3897 	if (fcport->rport) {
3898 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3899 		    "%s %8phN. rport %p roles %x\n",
3900 		    __func__, fcport->port_name, fcport->rport,
3901 		    fcport->rport->roles);
3902 		fc_remote_port_delete(fcport->rport);
3903 	}
3904 	qlt_do_generation_tick(vha, &now);
3905 }
3906 
3907 /*
3908  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3909  *
3910  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3911  *
3912  * Return: None.
3913  *
3914  * Context:
3915  */
3916 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3917     int do_login)
3918 {
3919 	if (IS_QLAFX00(vha->hw)) {
3920 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3921 		qla2x00_schedule_rport_del(vha, fcport);
3922 		return;
3923 	}
3924 
3925 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3926 	    vha->vp_idx == fcport->vha->vp_idx) {
3927 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3928 		qla2x00_schedule_rport_del(vha, fcport);
3929 	}
3930 	/*
3931 	 * We may need to retry the login, so don't change the state of the
3932 	 * port but do the retries.
3933 	 */
3934 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3935 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3936 
3937 	if (!do_login)
3938 		return;
3939 
3940 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3941 }
3942 
3943 void
3944 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
3945 {
3946 	fc_port_t *fcport;
3947 
3948 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3949 	    "Mark all dev lost\n");
3950 
3951 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3952 		fcport->scan_state = 0;
3953 		qlt_schedule_sess_for_deletion(fcport);
3954 	}
3955 }
3956 
3957 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
3958 {
3959 	int i;
3960 
3961 	if (IS_FWI2_CAPABLE(ha))
3962 		return;
3963 
3964 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
3965 		set_bit(i, ha->loop_id_map);
3966 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
3967 	set_bit(BROADCAST, ha->loop_id_map);
3968 }
3969 
3970 /*
3971 * qla2x00_mem_alloc
3972 *      Allocates adapter memory.
3973 *
3974 * Returns:
3975 *      0  = success.
3976 *      !0  = failure.
3977 */
3978 static int
3979 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3980 	struct req_que **req, struct rsp_que **rsp)
3981 {
3982 	char	name[16];
3983 
3984 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3985 		&ha->init_cb_dma, GFP_KERNEL);
3986 	if (!ha->init_cb)
3987 		goto fail;
3988 
3989 	if (qlt_mem_alloc(ha) < 0)
3990 		goto fail_free_init_cb;
3991 
3992 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3993 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3994 	if (!ha->gid_list)
3995 		goto fail_free_tgt_mem;
3996 
3997 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3998 	if (!ha->srb_mempool)
3999 		goto fail_free_gid_list;
4000 
4001 	if (IS_P3P_TYPE(ha)) {
4002 		/* Allocate cache for CT6 Ctx. */
4003 		if (!ctx_cachep) {
4004 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4005 				sizeof(struct ct6_dsd), 0,
4006 				SLAB_HWCACHE_ALIGN, NULL);
4007 			if (!ctx_cachep)
4008 				goto fail_free_srb_mempool;
4009 		}
4010 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4011 			ctx_cachep);
4012 		if (!ha->ctx_mempool)
4013 			goto fail_free_srb_mempool;
4014 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4015 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4016 		    ctx_cachep, ha->ctx_mempool);
4017 	}
4018 
4019 	/* Get memory for cached NVRAM */
4020 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4021 	if (!ha->nvram)
4022 		goto fail_free_ctx_mempool;
4023 
4024 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4025 		ha->pdev->device);
4026 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4027 		DMA_POOL_SIZE, 8, 0);
4028 	if (!ha->s_dma_pool)
4029 		goto fail_free_nvram;
4030 
4031 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4032 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4033 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4034 
4035 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
4036 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4037 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4038 		if (!ha->dl_dma_pool) {
4039 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4040 			    "Failed to allocate memory for dl_dma_pool.\n");
4041 			goto fail_s_dma_pool;
4042 		}
4043 
4044 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4045 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4046 		if (!ha->fcp_cmnd_dma_pool) {
4047 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4048 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4049 			goto fail_dl_dma_pool;
4050 		}
4051 
4052 		if (ql2xenabledif) {
4053 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4054 			struct dsd_dma *dsd, *nxt;
4055 			uint i;
4056 			/* Creata a DMA pool of buffers for DIF bundling */
4057 			ha->dif_bundl_pool = dma_pool_create(name,
4058 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4059 			if (!ha->dif_bundl_pool) {
4060 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4061 				    "%s: failed create dif_bundl_pool\n",
4062 				    __func__);
4063 				goto fail_dif_bundl_dma_pool;
4064 			}
4065 
4066 			INIT_LIST_HEAD(&ha->pool.good.head);
4067 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4068 			ha->pool.good.count = 0;
4069 			ha->pool.unusable.count = 0;
4070 			for (i = 0; i < 128; i++) {
4071 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4072 				if (!dsd) {
4073 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4074 					    0xe0ee, "%s: failed alloc dsd\n",
4075 					    __func__);
4076 					return 1;
4077 				}
4078 				ha->dif_bundle_kallocs++;
4079 
4080 				dsd->dsd_addr = dma_pool_alloc(
4081 				    ha->dif_bundl_pool, GFP_ATOMIC,
4082 				    &dsd->dsd_list_dma);
4083 				if (!dsd->dsd_addr) {
4084 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4085 					    0xe0ee,
4086 					    "%s: failed alloc ->dsd_addr\n",
4087 					    __func__);
4088 					kfree(dsd);
4089 					ha->dif_bundle_kallocs--;
4090 					continue;
4091 				}
4092 				ha->dif_bundle_dma_allocs++;
4093 
4094 				/*
4095 				 * if DMA buffer crosses 4G boundary,
4096 				 * put it on bad list
4097 				 */
4098 				if (MSD(dsd->dsd_list_dma) ^
4099 				    MSD(dsd->dsd_list_dma + bufsize)) {
4100 					list_add_tail(&dsd->list,
4101 					    &ha->pool.unusable.head);
4102 					ha->pool.unusable.count++;
4103 				} else {
4104 					list_add_tail(&dsd->list,
4105 					    &ha->pool.good.head);
4106 					ha->pool.good.count++;
4107 				}
4108 			}
4109 
4110 			/* return the good ones back to the pool */
4111 			list_for_each_entry_safe(dsd, nxt,
4112 			    &ha->pool.good.head, list) {
4113 				list_del(&dsd->list);
4114 				dma_pool_free(ha->dif_bundl_pool,
4115 				    dsd->dsd_addr, dsd->dsd_list_dma);
4116 				ha->dif_bundle_dma_allocs--;
4117 				kfree(dsd);
4118 				ha->dif_bundle_kallocs--;
4119 			}
4120 
4121 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4122 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4123 			    __func__, ha->pool.good.count,
4124 			    ha->pool.unusable.count);
4125 		}
4126 
4127 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4128 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4129 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4130 		    ha->dif_bundl_pool);
4131 	}
4132 
4133 	/* Allocate memory for SNS commands */
4134 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4135 	/* Get consistent memory allocated for SNS commands */
4136 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4137 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4138 		if (!ha->sns_cmd)
4139 			goto fail_dma_pool;
4140 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4141 		    "sns_cmd: %p.\n", ha->sns_cmd);
4142 	} else {
4143 	/* Get consistent memory allocated for MS IOCB */
4144 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4145 			&ha->ms_iocb_dma);
4146 		if (!ha->ms_iocb)
4147 			goto fail_dma_pool;
4148 	/* Get consistent memory allocated for CT SNS commands */
4149 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4150 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4151 		if (!ha->ct_sns)
4152 			goto fail_free_ms_iocb;
4153 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4154 		    "ms_iocb=%p ct_sns=%p.\n",
4155 		    ha->ms_iocb, ha->ct_sns);
4156 	}
4157 
4158 	/* Allocate memory for request ring */
4159 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4160 	if (!*req) {
4161 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4162 		    "Failed to allocate memory for req.\n");
4163 		goto fail_req;
4164 	}
4165 	(*req)->length = req_len;
4166 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4167 		((*req)->length + 1) * sizeof(request_t),
4168 		&(*req)->dma, GFP_KERNEL);
4169 	if (!(*req)->ring) {
4170 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4171 		    "Failed to allocate memory for req_ring.\n");
4172 		goto fail_req_ring;
4173 	}
4174 	/* Allocate memory for response ring */
4175 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4176 	if (!*rsp) {
4177 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4178 		    "Failed to allocate memory for rsp.\n");
4179 		goto fail_rsp;
4180 	}
4181 	(*rsp)->hw = ha;
4182 	(*rsp)->length = rsp_len;
4183 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4184 		((*rsp)->length + 1) * sizeof(response_t),
4185 		&(*rsp)->dma, GFP_KERNEL);
4186 	if (!(*rsp)->ring) {
4187 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4188 		    "Failed to allocate memory for rsp_ring.\n");
4189 		goto fail_rsp_ring;
4190 	}
4191 	(*req)->rsp = *rsp;
4192 	(*rsp)->req = *req;
4193 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4194 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4195 	    "rsp->length=%d rsp->ring=%p.\n",
4196 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4197 	    (*rsp)->ring);
4198 	/* Allocate memory for NVRAM data for vports */
4199 	if (ha->nvram_npiv_size) {
4200 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4201 					sizeof(struct qla_npiv_entry),
4202 					GFP_KERNEL);
4203 		if (!ha->npiv_info) {
4204 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4205 			    "Failed to allocate memory for npiv_info.\n");
4206 			goto fail_npiv_info;
4207 		}
4208 	} else
4209 		ha->npiv_info = NULL;
4210 
4211 	/* Get consistent memory allocated for EX-INIT-CB. */
4212 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4213 	    IS_QLA28XX(ha)) {
4214 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4215 		    &ha->ex_init_cb_dma);
4216 		if (!ha->ex_init_cb)
4217 			goto fail_ex_init_cb;
4218 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4219 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4220 	}
4221 
4222 	/* Get consistent memory allocated for Special Features-CB. */
4223 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4224 		ha->sf_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4225 						&ha->sf_init_cb_dma);
4226 		if (!ha->sf_init_cb)
4227 			goto fail_sf_init_cb;
4228 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4229 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4230 	}
4231 
4232 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4233 
4234 	/* Get consistent memory allocated for Async Port-Database. */
4235 	if (!IS_FWI2_CAPABLE(ha)) {
4236 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4237 			&ha->async_pd_dma);
4238 		if (!ha->async_pd)
4239 			goto fail_async_pd;
4240 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4241 		    "async_pd=%p.\n", ha->async_pd);
4242 	}
4243 
4244 	INIT_LIST_HEAD(&ha->vp_list);
4245 
4246 	/* Allocate memory for our loop_id bitmap */
4247 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4248 				  sizeof(long),
4249 				  GFP_KERNEL);
4250 	if (!ha->loop_id_map)
4251 		goto fail_loop_id_map;
4252 	else {
4253 		qla2x00_set_reserved_loop_ids(ha);
4254 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4255 		    "loop_id_map=%p.\n", ha->loop_id_map);
4256 	}
4257 
4258 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4259 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4260 	if (!ha->sfp_data) {
4261 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4262 		    "Unable to allocate memory for SFP read-data.\n");
4263 		goto fail_sfp_data;
4264 	}
4265 
4266 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4267 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4268 	    GFP_KERNEL);
4269 	if (!ha->flt) {
4270 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4271 		    "Unable to allocate memory for FLT.\n");
4272 		goto fail_flt_buffer;
4273 	}
4274 
4275 	return 0;
4276 
4277 fail_flt_buffer:
4278 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4279 	    ha->sfp_data, ha->sfp_data_dma);
4280 fail_sfp_data:
4281 	kfree(ha->loop_id_map);
4282 fail_loop_id_map:
4283 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4284 fail_async_pd:
4285 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4286 fail_sf_init_cb:
4287 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4288 fail_ex_init_cb:
4289 	kfree(ha->npiv_info);
4290 fail_npiv_info:
4291 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4292 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4293 	(*rsp)->ring = NULL;
4294 	(*rsp)->dma = 0;
4295 fail_rsp_ring:
4296 	kfree(*rsp);
4297 	*rsp = NULL;
4298 fail_rsp:
4299 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4300 		sizeof(request_t), (*req)->ring, (*req)->dma);
4301 	(*req)->ring = NULL;
4302 	(*req)->dma = 0;
4303 fail_req_ring:
4304 	kfree(*req);
4305 	*req = NULL;
4306 fail_req:
4307 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4308 		ha->ct_sns, ha->ct_sns_dma);
4309 	ha->ct_sns = NULL;
4310 	ha->ct_sns_dma = 0;
4311 fail_free_ms_iocb:
4312 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4313 	ha->ms_iocb = NULL;
4314 	ha->ms_iocb_dma = 0;
4315 
4316 	if (ha->sns_cmd)
4317 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4318 		    ha->sns_cmd, ha->sns_cmd_dma);
4319 fail_dma_pool:
4320 	if (ql2xenabledif) {
4321 		struct dsd_dma *dsd, *nxt;
4322 
4323 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4324 		    list) {
4325 			list_del(&dsd->list);
4326 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4327 			    dsd->dsd_list_dma);
4328 			ha->dif_bundle_dma_allocs--;
4329 			kfree(dsd);
4330 			ha->dif_bundle_kallocs--;
4331 			ha->pool.unusable.count--;
4332 		}
4333 		dma_pool_destroy(ha->dif_bundl_pool);
4334 		ha->dif_bundl_pool = NULL;
4335 	}
4336 
4337 fail_dif_bundl_dma_pool:
4338 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4339 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4340 		ha->fcp_cmnd_dma_pool = NULL;
4341 	}
4342 fail_dl_dma_pool:
4343 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4344 		dma_pool_destroy(ha->dl_dma_pool);
4345 		ha->dl_dma_pool = NULL;
4346 	}
4347 fail_s_dma_pool:
4348 	dma_pool_destroy(ha->s_dma_pool);
4349 	ha->s_dma_pool = NULL;
4350 fail_free_nvram:
4351 	kfree(ha->nvram);
4352 	ha->nvram = NULL;
4353 fail_free_ctx_mempool:
4354 	mempool_destroy(ha->ctx_mempool);
4355 	ha->ctx_mempool = NULL;
4356 fail_free_srb_mempool:
4357 	mempool_destroy(ha->srb_mempool);
4358 	ha->srb_mempool = NULL;
4359 fail_free_gid_list:
4360 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4361 	ha->gid_list,
4362 	ha->gid_list_dma);
4363 	ha->gid_list = NULL;
4364 	ha->gid_list_dma = 0;
4365 fail_free_tgt_mem:
4366 	qlt_mem_free(ha);
4367 fail_free_init_cb:
4368 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4369 	ha->init_cb_dma);
4370 	ha->init_cb = NULL;
4371 	ha->init_cb_dma = 0;
4372 fail:
4373 	ql_log(ql_log_fatal, NULL, 0x0030,
4374 	    "Memory allocation failure.\n");
4375 	return -ENOMEM;
4376 }
4377 
4378 int
4379 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4380 {
4381 	int rval;
4382 	uint16_t	size, max_cnt, temp;
4383 	struct qla_hw_data *ha = vha->hw;
4384 
4385 	/* Return if we don't need to alloacate any extended logins */
4386 	if (!ql2xexlogins)
4387 		return QLA_SUCCESS;
4388 
4389 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4390 		return QLA_SUCCESS;
4391 
4392 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4393 	max_cnt = 0;
4394 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4395 	if (rval != QLA_SUCCESS) {
4396 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4397 		    "Failed to get exlogin status.\n");
4398 		return rval;
4399 	}
4400 
4401 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4402 	temp *= size;
4403 
4404 	if (temp != ha->exlogin_size) {
4405 		qla2x00_free_exlogin_buffer(ha);
4406 		ha->exlogin_size = temp;
4407 
4408 		ql_log(ql_log_info, vha, 0xd024,
4409 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4410 		    max_cnt, size, temp);
4411 
4412 		ql_log(ql_log_info, vha, 0xd025,
4413 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4414 
4415 		/* Get consistent memory for extended logins */
4416 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4417 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4418 		if (!ha->exlogin_buf) {
4419 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4420 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4421 			return -ENOMEM;
4422 		}
4423 	}
4424 
4425 	/* Now configure the dma buffer */
4426 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4427 	if (rval) {
4428 		ql_log(ql_log_fatal, vha, 0xd033,
4429 		    "Setup extended login buffer  ****FAILED****.\n");
4430 		qla2x00_free_exlogin_buffer(ha);
4431 	}
4432 
4433 	return rval;
4434 }
4435 
4436 /*
4437 * qla2x00_free_exlogin_buffer
4438 *
4439 * Input:
4440 *	ha = adapter block pointer
4441 */
4442 void
4443 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4444 {
4445 	if (ha->exlogin_buf) {
4446 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4447 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4448 		ha->exlogin_buf = NULL;
4449 		ha->exlogin_size = 0;
4450 	}
4451 }
4452 
4453 static void
4454 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4455 {
4456 	u32 temp;
4457 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4458 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4459 
4460 	if (max_cnt > vha->hw->max_exchg)
4461 		max_cnt = vha->hw->max_exchg;
4462 
4463 	if (qla_ini_mode_enabled(vha)) {
4464 		if (vha->ql2xiniexchg > max_cnt)
4465 			vha->ql2xiniexchg = max_cnt;
4466 
4467 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4468 			*ret_cnt = vha->ql2xiniexchg;
4469 
4470 	} else if (qla_tgt_mode_enabled(vha)) {
4471 		if (vha->ql2xexchoffld > max_cnt) {
4472 			vha->ql2xexchoffld = max_cnt;
4473 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4474 		}
4475 
4476 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4477 			*ret_cnt = vha->ql2xexchoffld;
4478 	} else if (qla_dual_mode_enabled(vha)) {
4479 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4480 		if (temp > max_cnt) {
4481 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4482 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4483 			temp = max_cnt;
4484 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4485 		}
4486 
4487 		if (temp > FW_DEF_EXCHANGES_CNT)
4488 			*ret_cnt = temp;
4489 	}
4490 }
4491 
4492 int
4493 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4494 {
4495 	int rval;
4496 	u16	size, max_cnt;
4497 	u32 actual_cnt, totsz;
4498 	struct qla_hw_data *ha = vha->hw;
4499 
4500 	if (!ha->flags.exchoffld_enabled)
4501 		return QLA_SUCCESS;
4502 
4503 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4504 		return QLA_SUCCESS;
4505 
4506 	max_cnt = 0;
4507 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4508 	if (rval != QLA_SUCCESS) {
4509 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4510 		    "Failed to get exlogin status.\n");
4511 		return rval;
4512 	}
4513 
4514 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4515 	ql_log(ql_log_info, vha, 0xd014,
4516 	    "Actual exchange offload count: %d.\n", actual_cnt);
4517 
4518 	totsz = actual_cnt * size;
4519 
4520 	if (totsz != ha->exchoffld_size) {
4521 		qla2x00_free_exchoffld_buffer(ha);
4522 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4523 			ha->exchoffld_size = 0;
4524 			ha->flags.exchoffld_enabled = 0;
4525 			return QLA_SUCCESS;
4526 		}
4527 
4528 		ha->exchoffld_size = totsz;
4529 
4530 		ql_log(ql_log_info, vha, 0xd016,
4531 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4532 		    max_cnt, actual_cnt, size, totsz);
4533 
4534 		ql_log(ql_log_info, vha, 0xd017,
4535 		    "Exchange Buffers requested size = 0x%x\n",
4536 		    ha->exchoffld_size);
4537 
4538 		/* Get consistent memory for extended logins */
4539 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4540 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4541 		if (!ha->exchoffld_buf) {
4542 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4543 			"Failed to allocate memory for Exchange Offload.\n");
4544 
4545 			if (ha->max_exchg >
4546 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4547 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4548 			} else if (ha->max_exchg >
4549 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4550 				ha->max_exchg -= 512;
4551 			} else {
4552 				ha->flags.exchoffld_enabled = 0;
4553 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4554 				    "Disabling Exchange offload due to lack of memory\n");
4555 			}
4556 			ha->exchoffld_size = 0;
4557 
4558 			return -ENOMEM;
4559 		}
4560 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4561 		/* pathological case */
4562 		qla2x00_free_exchoffld_buffer(ha);
4563 		ha->exchoffld_size = 0;
4564 		ha->flags.exchoffld_enabled = 0;
4565 		ql_log(ql_log_info, vha, 0xd016,
4566 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4567 		    ha->exchoffld_size, actual_cnt, size, totsz);
4568 		return 0;
4569 	}
4570 
4571 	/* Now configure the dma buffer */
4572 	rval = qla_set_exchoffld_mem_cfg(vha);
4573 	if (rval) {
4574 		ql_log(ql_log_fatal, vha, 0xd02e,
4575 		    "Setup exchange offload buffer ****FAILED****.\n");
4576 		qla2x00_free_exchoffld_buffer(ha);
4577 	} else {
4578 		/* re-adjust number of target exchange */
4579 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4580 
4581 		if (qla_ini_mode_enabled(vha))
4582 			icb->exchange_count = 0;
4583 		else
4584 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4585 	}
4586 
4587 	return rval;
4588 }
4589 
4590 /*
4591 * qla2x00_free_exchoffld_buffer
4592 *
4593 * Input:
4594 *	ha = adapter block pointer
4595 */
4596 void
4597 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4598 {
4599 	if (ha->exchoffld_buf) {
4600 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4601 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4602 		ha->exchoffld_buf = NULL;
4603 		ha->exchoffld_size = 0;
4604 	}
4605 }
4606 
4607 /*
4608 * qla2x00_free_fw_dump
4609 *	Frees fw dump stuff.
4610 *
4611 * Input:
4612 *	ha = adapter block pointer
4613 */
4614 static void
4615 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4616 {
4617 	struct fwdt *fwdt = ha->fwdt;
4618 	uint j;
4619 
4620 	if (ha->fce)
4621 		dma_free_coherent(&ha->pdev->dev,
4622 		    FCE_SIZE, ha->fce, ha->fce_dma);
4623 
4624 	if (ha->eft)
4625 		dma_free_coherent(&ha->pdev->dev,
4626 		    EFT_SIZE, ha->eft, ha->eft_dma);
4627 
4628 	if (ha->fw_dump)
4629 		vfree(ha->fw_dump);
4630 
4631 	ha->fce = NULL;
4632 	ha->fce_dma = 0;
4633 	ha->flags.fce_enabled = 0;
4634 	ha->eft = NULL;
4635 	ha->eft_dma = 0;
4636 	ha->fw_dumped = false;
4637 	ha->fw_dump_cap_flags = 0;
4638 	ha->fw_dump_reading = 0;
4639 	ha->fw_dump = NULL;
4640 	ha->fw_dump_len = 0;
4641 
4642 	for (j = 0; j < 2; j++, fwdt++) {
4643 		if (fwdt->template)
4644 			vfree(fwdt->template);
4645 		fwdt->template = NULL;
4646 		fwdt->length = 0;
4647 	}
4648 }
4649 
4650 /*
4651 * qla2x00_mem_free
4652 *      Frees all adapter allocated memory.
4653 *
4654 * Input:
4655 *      ha = adapter block pointer.
4656 */
4657 static void
4658 qla2x00_mem_free(struct qla_hw_data *ha)
4659 {
4660 	qla2x00_free_fw_dump(ha);
4661 
4662 	if (ha->mctp_dump)
4663 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4664 		    ha->mctp_dump_dma);
4665 	ha->mctp_dump = NULL;
4666 
4667 	mempool_destroy(ha->srb_mempool);
4668 	ha->srb_mempool = NULL;
4669 
4670 	if (ha->dcbx_tlv)
4671 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4672 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4673 	ha->dcbx_tlv = NULL;
4674 
4675 	if (ha->xgmac_data)
4676 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4677 		    ha->xgmac_data, ha->xgmac_data_dma);
4678 	ha->xgmac_data = NULL;
4679 
4680 	if (ha->sns_cmd)
4681 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4682 		ha->sns_cmd, ha->sns_cmd_dma);
4683 	ha->sns_cmd = NULL;
4684 	ha->sns_cmd_dma = 0;
4685 
4686 	if (ha->ct_sns)
4687 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4688 		ha->ct_sns, ha->ct_sns_dma);
4689 	ha->ct_sns = NULL;
4690 	ha->ct_sns_dma = 0;
4691 
4692 	if (ha->sfp_data)
4693 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4694 		    ha->sfp_data_dma);
4695 	ha->sfp_data = NULL;
4696 
4697 	if (ha->flt)
4698 		dma_free_coherent(&ha->pdev->dev,
4699 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4700 		    ha->flt, ha->flt_dma);
4701 	ha->flt = NULL;
4702 	ha->flt_dma = 0;
4703 
4704 	if (ha->ms_iocb)
4705 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4706 	ha->ms_iocb = NULL;
4707 	ha->ms_iocb_dma = 0;
4708 
4709 	if (ha->sf_init_cb)
4710 		dma_pool_free(ha->s_dma_pool,
4711 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4712 
4713 	if (ha->ex_init_cb)
4714 		dma_pool_free(ha->s_dma_pool,
4715 			ha->ex_init_cb, ha->ex_init_cb_dma);
4716 	ha->ex_init_cb = NULL;
4717 	ha->ex_init_cb_dma = 0;
4718 
4719 	if (ha->async_pd)
4720 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4721 	ha->async_pd = NULL;
4722 	ha->async_pd_dma = 0;
4723 
4724 	dma_pool_destroy(ha->s_dma_pool);
4725 	ha->s_dma_pool = NULL;
4726 
4727 	if (ha->gid_list)
4728 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4729 		ha->gid_list, ha->gid_list_dma);
4730 	ha->gid_list = NULL;
4731 	ha->gid_list_dma = 0;
4732 
4733 	if (IS_QLA82XX(ha)) {
4734 		if (!list_empty(&ha->gbl_dsd_list)) {
4735 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4736 
4737 			/* clean up allocated prev pool */
4738 			list_for_each_entry_safe(dsd_ptr,
4739 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4740 				dma_pool_free(ha->dl_dma_pool,
4741 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4742 				list_del(&dsd_ptr->list);
4743 				kfree(dsd_ptr);
4744 			}
4745 		}
4746 	}
4747 
4748 	dma_pool_destroy(ha->dl_dma_pool);
4749 	ha->dl_dma_pool = NULL;
4750 
4751 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4752 	ha->fcp_cmnd_dma_pool = NULL;
4753 
4754 	mempool_destroy(ha->ctx_mempool);
4755 	ha->ctx_mempool = NULL;
4756 
4757 	if (ql2xenabledif && ha->dif_bundl_pool) {
4758 		struct dsd_dma *dsd, *nxt;
4759 
4760 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4761 					 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 			ha->pool.unusable.count--;
4769 		}
4770 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4771 			list_del(&dsd->list);
4772 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4773 				      dsd->dsd_list_dma);
4774 			ha->dif_bundle_dma_allocs--;
4775 			kfree(dsd);
4776 			ha->dif_bundle_kallocs--;
4777 		}
4778 	}
4779 
4780 	dma_pool_destroy(ha->dif_bundl_pool);
4781 	ha->dif_bundl_pool = NULL;
4782 
4783 	qlt_mem_free(ha);
4784 
4785 	if (ha->init_cb)
4786 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4787 			ha->init_cb, ha->init_cb_dma);
4788 	ha->init_cb = NULL;
4789 	ha->init_cb_dma = 0;
4790 
4791 	vfree(ha->optrom_buffer);
4792 	ha->optrom_buffer = NULL;
4793 	kfree(ha->nvram);
4794 	ha->nvram = NULL;
4795 	kfree(ha->npiv_info);
4796 	ha->npiv_info = NULL;
4797 	kfree(ha->swl);
4798 	ha->swl = NULL;
4799 	kfree(ha->loop_id_map);
4800 	ha->sf_init_cb = NULL;
4801 	ha->sf_init_cb_dma = 0;
4802 	ha->loop_id_map = NULL;
4803 }
4804 
4805 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4806 						struct qla_hw_data *ha)
4807 {
4808 	struct Scsi_Host *host;
4809 	struct scsi_qla_host *vha = NULL;
4810 
4811 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4812 	if (!host) {
4813 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4814 		    "Failed to allocate host from the scsi layer, aborting.\n");
4815 		return NULL;
4816 	}
4817 
4818 	/* Clear our data area */
4819 	vha = shost_priv(host);
4820 	memset(vha, 0, sizeof(scsi_qla_host_t));
4821 
4822 	vha->host = host;
4823 	vha->host_no = host->host_no;
4824 	vha->hw = ha;
4825 
4826 	vha->qlini_mode = ql2x_ini_mode;
4827 	vha->ql2xexchoffld = ql2xexchoffld;
4828 	vha->ql2xiniexchg = ql2xiniexchg;
4829 
4830 	INIT_LIST_HEAD(&vha->vp_fcports);
4831 	INIT_LIST_HEAD(&vha->work_list);
4832 	INIT_LIST_HEAD(&vha->list);
4833 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4834 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4835 	INIT_LIST_HEAD(&vha->logo_list);
4836 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4837 	INIT_LIST_HEAD(&vha->qp_list);
4838 	INIT_LIST_HEAD(&vha->gnl.fcports);
4839 	INIT_LIST_HEAD(&vha->gpnid_list);
4840 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4841 
4842 	INIT_LIST_HEAD(&vha->purex_list.head);
4843 	spin_lock_init(&vha->purex_list.lock);
4844 
4845 	spin_lock_init(&vha->work_lock);
4846 	spin_lock_init(&vha->cmd_list_lock);
4847 	init_waitqueue_head(&vha->fcport_waitQ);
4848 	init_waitqueue_head(&vha->vref_waitq);
4849 
4850 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4851 			(ha->max_loop_id + 1);
4852 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4853 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4854 	if (!vha->gnl.l) {
4855 		ql_log(ql_log_fatal, vha, 0xd04a,
4856 		    "Alloc failed for name list.\n");
4857 		scsi_host_put(vha->host);
4858 		return NULL;
4859 	}
4860 
4861 	/* todo: what about ext login? */
4862 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4863 	vha->scan.l = vmalloc(vha->scan.size);
4864 	if (!vha->scan.l) {
4865 		ql_log(ql_log_fatal, vha, 0xd04a,
4866 		    "Alloc failed for scan database.\n");
4867 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4868 		    vha->gnl.l, vha->gnl.ldma);
4869 		vha->gnl.l = NULL;
4870 		scsi_host_put(vha->host);
4871 		return NULL;
4872 	}
4873 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4874 
4875 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4876 	ql_dbg(ql_dbg_init, vha, 0x0041,
4877 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4878 	    vha->host, vha->hw, vha,
4879 	    dev_name(&(ha->pdev->dev)));
4880 
4881 	return vha;
4882 }
4883 
4884 struct qla_work_evt *
4885 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4886 {
4887 	struct qla_work_evt *e;
4888 	uint8_t bail;
4889 
4890 	if (test_bit(UNLOADING, &vha->dpc_flags))
4891 		return NULL;
4892 
4893 	QLA_VHA_MARK_BUSY(vha, bail);
4894 	if (bail)
4895 		return NULL;
4896 
4897 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4898 	if (!e) {
4899 		QLA_VHA_MARK_NOT_BUSY(vha);
4900 		return NULL;
4901 	}
4902 
4903 	INIT_LIST_HEAD(&e->list);
4904 	e->type = type;
4905 	e->flags = QLA_EVT_FLAG_FREE;
4906 	return e;
4907 }
4908 
4909 int
4910 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4911 {
4912 	unsigned long flags;
4913 	bool q = false;
4914 
4915 	spin_lock_irqsave(&vha->work_lock, flags);
4916 	list_add_tail(&e->list, &vha->work_list);
4917 
4918 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4919 		q = true;
4920 
4921 	spin_unlock_irqrestore(&vha->work_lock, flags);
4922 
4923 	if (q)
4924 		queue_work(vha->hw->wq, &vha->iocb_work);
4925 
4926 	return QLA_SUCCESS;
4927 }
4928 
4929 int
4930 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4931     u32 data)
4932 {
4933 	struct qla_work_evt *e;
4934 
4935 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4936 	if (!e)
4937 		return QLA_FUNCTION_FAILED;
4938 
4939 	e->u.aen.code = code;
4940 	e->u.aen.data = data;
4941 	return qla2x00_post_work(vha, e);
4942 }
4943 
4944 int
4945 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4946 {
4947 	struct qla_work_evt *e;
4948 
4949 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4950 	if (!e)
4951 		return QLA_FUNCTION_FAILED;
4952 
4953 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4954 	return qla2x00_post_work(vha, e);
4955 }
4956 
4957 #define qla2x00_post_async_work(name, type)	\
4958 int qla2x00_post_async_##name##_work(		\
4959     struct scsi_qla_host *vha,			\
4960     fc_port_t *fcport, uint16_t *data)		\
4961 {						\
4962 	struct qla_work_evt *e;			\
4963 						\
4964 	e = qla2x00_alloc_work(vha, type);	\
4965 	if (!e)					\
4966 		return QLA_FUNCTION_FAILED;	\
4967 						\
4968 	e->u.logio.fcport = fcport;		\
4969 	if (data) {				\
4970 		e->u.logio.data[0] = data[0];	\
4971 		e->u.logio.data[1] = data[1];	\
4972 	}					\
4973 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4974 	return qla2x00_post_work(vha, e);	\
4975 }
4976 
4977 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4978 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4979 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4980 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4981 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4982 
4983 int
4984 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4985 {
4986 	struct qla_work_evt *e;
4987 
4988 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4989 	if (!e)
4990 		return QLA_FUNCTION_FAILED;
4991 
4992 	e->u.uevent.code = code;
4993 	return qla2x00_post_work(vha, e);
4994 }
4995 
4996 static void
4997 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4998 {
4999 	char event_string[40];
5000 	char *envp[] = { event_string, NULL };
5001 
5002 	switch (code) {
5003 	case QLA_UEVENT_CODE_FW_DUMP:
5004 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
5005 		    vha->host_no);
5006 		break;
5007 	default:
5008 		/* do nothing */
5009 		break;
5010 	}
5011 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5012 }
5013 
5014 int
5015 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5016 			uint32_t *data, int cnt)
5017 {
5018 	struct qla_work_evt *e;
5019 
5020 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5021 	if (!e)
5022 		return QLA_FUNCTION_FAILED;
5023 
5024 	e->u.aenfx.evtcode = evtcode;
5025 	e->u.aenfx.count = cnt;
5026 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5027 	return qla2x00_post_work(vha, e);
5028 }
5029 
5030 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5031 {
5032 	unsigned long flags;
5033 
5034 	if (IS_SW_RESV_ADDR(fcport->d_id))
5035 		return;
5036 
5037 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5038 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5039 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5040 		return;
5041 	}
5042 	fcport->jiffies_at_registration = jiffies;
5043 	fcport->sec_since_registration = 0;
5044 	fcport->next_disc_state = DSC_DELETED;
5045 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5046 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5047 
5048 	queue_work(system_unbound_wq, &fcport->reg_work);
5049 }
5050 
5051 static
5052 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5053 {
5054 	unsigned long flags;
5055 	fc_port_t *fcport =  NULL, *tfcp;
5056 	struct qlt_plogi_ack_t *pla =
5057 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5058 	uint8_t free_fcport = 0;
5059 
5060 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5061 	    "%s %d %8phC enter\n",
5062 	    __func__, __LINE__, e->u.new_sess.port_name);
5063 
5064 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5065 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5066 	if (fcport) {
5067 		fcport->d_id = e->u.new_sess.id;
5068 		if (pla) {
5069 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5070 			memcpy(fcport->node_name,
5071 			    pla->iocb.u.isp24.u.plogi.node_name,
5072 			    WWN_SIZE);
5073 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5074 			/* we took an extra ref_count to prevent PLOGI ACK when
5075 			 * fcport/sess has not been created.
5076 			 */
5077 			pla->ref_count--;
5078 		}
5079 	} else {
5080 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5081 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5082 		if (fcport) {
5083 			fcport->d_id = e->u.new_sess.id;
5084 			fcport->flags |= FCF_FABRIC_DEVICE;
5085 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5086 
5087 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5088 			    WWN_SIZE);
5089 
5090 			fcport->fc4_type = e->u.new_sess.fc4_type;
5091 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5092 				fcport->fc4_type = FS_FC4TYPE_FCP;
5093 				fcport->n2n_flag = 1;
5094 				if (vha->flags.nvme_enabled)
5095 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5096 			}
5097 
5098 		} else {
5099 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5100 				   "%s %8phC mem alloc fail.\n",
5101 				   __func__, e->u.new_sess.port_name);
5102 
5103 			if (pla) {
5104 				list_del(&pla->list);
5105 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5106 			}
5107 			return;
5108 		}
5109 
5110 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5111 		/* search again to make sure no one else got ahead */
5112 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5113 		    e->u.new_sess.port_name, 1);
5114 		if (tfcp) {
5115 			/* should rarily happen */
5116 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5117 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5118 			    __func__, tfcp->port_name, tfcp->disc_state,
5119 			    tfcp->fw_login_state);
5120 
5121 			free_fcport = 1;
5122 		} else {
5123 			list_add_tail(&fcport->list, &vha->vp_fcports);
5124 
5125 		}
5126 		if (pla) {
5127 			qlt_plogi_ack_link(vha, pla, fcport,
5128 			    QLT_PLOGI_LINK_SAME_WWN);
5129 			pla->ref_count--;
5130 		}
5131 	}
5132 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5133 
5134 	if (fcport) {
5135 		fcport->id_changed = 1;
5136 		fcport->scan_state = QLA_FCPORT_FOUND;
5137 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5138 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5139 
5140 		if (pla) {
5141 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5142 				u16 wd3_lo;
5143 
5144 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5145 				fcport->local = 0;
5146 				fcport->loop_id =
5147 					le16_to_cpu(
5148 					    pla->iocb.u.isp24.nport_handle);
5149 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5150 				wd3_lo =
5151 				    le16_to_cpu(
5152 					pla->iocb.u.isp24.u.prli.wd3_lo);
5153 
5154 				if (wd3_lo & BIT_7)
5155 					fcport->conf_compl_supported = 1;
5156 
5157 				if ((wd3_lo & BIT_4) == 0)
5158 					fcport->port_type = FCT_INITIATOR;
5159 				else
5160 					fcport->port_type = FCT_TARGET;
5161 			}
5162 			qlt_plogi_ack_unref(vha, pla);
5163 		} else {
5164 			fc_port_t *dfcp = NULL;
5165 
5166 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5167 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5168 			    &e->u.new_sess.id, 1);
5169 			if (tfcp && (tfcp != fcport)) {
5170 				/*
5171 				 * We have a conflict fcport with same NportID.
5172 				 */
5173 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5174 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5175 				    __func__, tfcp->port_name, tfcp->disc_state,
5176 				    tfcp->fw_login_state);
5177 
5178 				switch (tfcp->disc_state) {
5179 				case DSC_DELETED:
5180 					break;
5181 				case DSC_DELETE_PEND:
5182 					fcport->login_pause = 1;
5183 					tfcp->conflict = fcport;
5184 					break;
5185 				default:
5186 					fcport->login_pause = 1;
5187 					tfcp->conflict = fcport;
5188 					dfcp = tfcp;
5189 					break;
5190 				}
5191 			}
5192 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5193 			if (dfcp)
5194 				qlt_schedule_sess_for_deletion(tfcp);
5195 
5196 			if (N2N_TOPO(vha->hw)) {
5197 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5198 				fcport->keep_nport_handle = 1;
5199 				if (vha->flags.nvme_enabled) {
5200 					fcport->fc4_type =
5201 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5202 					fcport->n2n_flag = 1;
5203 				}
5204 				fcport->fw_login_state = 0;
5205 
5206 				schedule_delayed_work(&vha->scan.scan_work, 5);
5207 			} else {
5208 				qla24xx_fcport_handle_login(vha, fcport);
5209 			}
5210 		}
5211 	}
5212 
5213 	if (free_fcport) {
5214 		qla2x00_free_fcport(fcport);
5215 		if (pla) {
5216 			list_del(&pla->list);
5217 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5218 		}
5219 	}
5220 }
5221 
5222 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5223 {
5224 	struct srb *sp = e->u.iosb.sp;
5225 	int rval;
5226 
5227 	rval = qla2x00_start_sp(sp);
5228 	if (rval != QLA_SUCCESS) {
5229 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5230 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5231 		    __func__, sp->name, rval);
5232 		qla24xx_sp_unmap(vha, sp);
5233 	}
5234 }
5235 
5236 void
5237 qla2x00_do_work(struct scsi_qla_host *vha)
5238 {
5239 	struct qla_work_evt *e, *tmp;
5240 	unsigned long flags;
5241 	LIST_HEAD(work);
5242 	int rc;
5243 
5244 	spin_lock_irqsave(&vha->work_lock, flags);
5245 	list_splice_init(&vha->work_list, &work);
5246 	spin_unlock_irqrestore(&vha->work_lock, flags);
5247 
5248 	list_for_each_entry_safe(e, tmp, &work, list) {
5249 		rc = QLA_SUCCESS;
5250 		switch (e->type) {
5251 		case QLA_EVT_AEN:
5252 			fc_host_post_event(vha->host, fc_get_event_number(),
5253 			    e->u.aen.code, e->u.aen.data);
5254 			break;
5255 		case QLA_EVT_IDC_ACK:
5256 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5257 			break;
5258 		case QLA_EVT_ASYNC_LOGIN:
5259 			qla2x00_async_login(vha, e->u.logio.fcport,
5260 			    e->u.logio.data);
5261 			break;
5262 		case QLA_EVT_ASYNC_LOGOUT:
5263 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5264 			break;
5265 		case QLA_EVT_ASYNC_ADISC:
5266 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5267 			    e->u.logio.data);
5268 			break;
5269 		case QLA_EVT_UEVENT:
5270 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5271 			break;
5272 		case QLA_EVT_AENFX:
5273 			qlafx00_process_aen(vha, e);
5274 			break;
5275 		case QLA_EVT_GPNID:
5276 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5277 			break;
5278 		case QLA_EVT_UNMAP:
5279 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5280 			break;
5281 		case QLA_EVT_RELOGIN:
5282 			qla2x00_relogin(vha);
5283 			break;
5284 		case QLA_EVT_NEW_SESS:
5285 			qla24xx_create_new_sess(vha, e);
5286 			break;
5287 		case QLA_EVT_GPDB:
5288 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5289 			    e->u.fcport.opt);
5290 			break;
5291 		case QLA_EVT_PRLI:
5292 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5293 			break;
5294 		case QLA_EVT_GPSC:
5295 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5296 			break;
5297 		case QLA_EVT_GNL:
5298 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5299 			break;
5300 		case QLA_EVT_NACK:
5301 			qla24xx_do_nack_work(vha, e);
5302 			break;
5303 		case QLA_EVT_ASYNC_PRLO:
5304 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5305 			break;
5306 		case QLA_EVT_ASYNC_PRLO_DONE:
5307 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5308 			    e->u.logio.data);
5309 			break;
5310 		case QLA_EVT_GPNFT:
5311 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5312 			    e->u.gpnft.sp);
5313 			break;
5314 		case QLA_EVT_GPNFT_DONE:
5315 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5316 			break;
5317 		case QLA_EVT_GNNFT_DONE:
5318 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5319 			break;
5320 		case QLA_EVT_GNNID:
5321 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5322 			break;
5323 		case QLA_EVT_GFPNID:
5324 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5325 			break;
5326 		case QLA_EVT_SP_RETRY:
5327 			qla_sp_retry(vha, e);
5328 			break;
5329 		case QLA_EVT_IIDMA:
5330 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5331 			break;
5332 		case QLA_EVT_ELS_PLOGI:
5333 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5334 			    e->u.fcport.fcport, false);
5335 			break;
5336 		}
5337 
5338 		if (rc == EAGAIN) {
5339 			/* put 'work' at head of 'vha->work_list' */
5340 			spin_lock_irqsave(&vha->work_lock, flags);
5341 			list_splice(&work, &vha->work_list);
5342 			spin_unlock_irqrestore(&vha->work_lock, flags);
5343 			break;
5344 		}
5345 		list_del_init(&e->list);
5346 		if (e->flags & QLA_EVT_FLAG_FREE)
5347 			kfree(e);
5348 
5349 		/* For each work completed decrement vha ref count */
5350 		QLA_VHA_MARK_NOT_BUSY(vha);
5351 	}
5352 }
5353 
5354 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5355 {
5356 	struct qla_work_evt *e;
5357 
5358 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5359 
5360 	if (!e) {
5361 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5362 		return QLA_FUNCTION_FAILED;
5363 	}
5364 
5365 	return qla2x00_post_work(vha, e);
5366 }
5367 
5368 /* Relogins all the fcports of a vport
5369  * Context: dpc thread
5370  */
5371 void qla2x00_relogin(struct scsi_qla_host *vha)
5372 {
5373 	fc_port_t       *fcport;
5374 	int status, relogin_needed = 0;
5375 	struct event_arg ea;
5376 
5377 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5378 		/*
5379 		 * If the port is not ONLINE then try to login
5380 		 * to it if we haven't run out of retries.
5381 		 */
5382 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5383 		    fcport->login_retry) {
5384 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5385 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5386 				continue;
5387 
5388 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5389 				fcport->disc_state == DSC_DELETE_PEND) {
5390 				relogin_needed = 1;
5391 			} else {
5392 				if (vha->hw->current_topology != ISP_CFG_NL) {
5393 					memset(&ea, 0, sizeof(ea));
5394 					ea.fcport = fcport;
5395 					qla24xx_handle_relogin_event(vha, &ea);
5396 				} else if (vha->hw->current_topology ==
5397 				    ISP_CFG_NL) {
5398 					fcport->login_retry--;
5399 					status =
5400 					    qla2x00_local_device_login(vha,
5401 						fcport);
5402 					if (status == QLA_SUCCESS) {
5403 						fcport->old_loop_id =
5404 						    fcport->loop_id;
5405 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5406 						    "Port login OK: logged in ID 0x%x.\n",
5407 						    fcport->loop_id);
5408 						qla2x00_update_fcport
5409 							(vha, fcport);
5410 					} else if (status == 1) {
5411 						set_bit(RELOGIN_NEEDED,
5412 						    &vha->dpc_flags);
5413 						/* retry the login again */
5414 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5415 						    "Retrying %d login again loop_id 0x%x.\n",
5416 						    fcport->login_retry,
5417 						    fcport->loop_id);
5418 					} else {
5419 						fcport->login_retry = 0;
5420 					}
5421 
5422 					if (fcport->login_retry == 0 &&
5423 					    status != QLA_SUCCESS)
5424 						qla2x00_clear_loop_id(fcport);
5425 				}
5426 			}
5427 		}
5428 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5429 			break;
5430 	}
5431 
5432 	if (relogin_needed)
5433 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5434 
5435 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5436 	    "Relogin end.\n");
5437 }
5438 
5439 /* Schedule work on any of the dpc-workqueues */
5440 void
5441 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5442 {
5443 	struct qla_hw_data *ha = base_vha->hw;
5444 
5445 	switch (work_code) {
5446 	case MBA_IDC_AEN: /* 0x8200 */
5447 		if (ha->dpc_lp_wq)
5448 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5449 		break;
5450 
5451 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5452 		if (!ha->flags.nic_core_reset_hdlr_active) {
5453 			if (ha->dpc_hp_wq)
5454 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5455 		} else
5456 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5457 			    "NIC Core reset is already active. Skip "
5458 			    "scheduling it again.\n");
5459 		break;
5460 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5461 		if (ha->dpc_hp_wq)
5462 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5463 		break;
5464 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5465 		if (ha->dpc_hp_wq)
5466 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5467 		break;
5468 	default:
5469 		ql_log(ql_log_warn, base_vha, 0xb05f,
5470 		    "Unknown work-code=0x%x.\n", work_code);
5471 	}
5472 
5473 	return;
5474 }
5475 
5476 /* Work: Perform NIC Core Unrecoverable state handling */
5477 void
5478 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5479 {
5480 	struct qla_hw_data *ha =
5481 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5482 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5483 	uint32_t dev_state = 0;
5484 
5485 	qla83xx_idc_lock(base_vha, 0);
5486 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5487 	qla83xx_reset_ownership(base_vha);
5488 	if (ha->flags.nic_core_reset_owner) {
5489 		ha->flags.nic_core_reset_owner = 0;
5490 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5491 		    QLA8XXX_DEV_FAILED);
5492 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5493 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5494 	}
5495 	qla83xx_idc_unlock(base_vha, 0);
5496 }
5497 
5498 /* Work: Execute IDC state handler */
5499 void
5500 qla83xx_idc_state_handler_work(struct work_struct *work)
5501 {
5502 	struct qla_hw_data *ha =
5503 		container_of(work, struct qla_hw_data, idc_state_handler);
5504 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5505 	uint32_t dev_state = 0;
5506 
5507 	qla83xx_idc_lock(base_vha, 0);
5508 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5509 	if (dev_state == QLA8XXX_DEV_FAILED ||
5510 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5511 		qla83xx_idc_state_handler(base_vha);
5512 	qla83xx_idc_unlock(base_vha, 0);
5513 }
5514 
5515 static int
5516 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5517 {
5518 	int rval = QLA_SUCCESS;
5519 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5520 	uint32_t heart_beat_counter1, heart_beat_counter2;
5521 
5522 	do {
5523 		if (time_after(jiffies, heart_beat_wait)) {
5524 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5525 			    "Nic Core f/w is not alive.\n");
5526 			rval = QLA_FUNCTION_FAILED;
5527 			break;
5528 		}
5529 
5530 		qla83xx_idc_lock(base_vha, 0);
5531 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5532 		    &heart_beat_counter1);
5533 		qla83xx_idc_unlock(base_vha, 0);
5534 		msleep(100);
5535 		qla83xx_idc_lock(base_vha, 0);
5536 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5537 		    &heart_beat_counter2);
5538 		qla83xx_idc_unlock(base_vha, 0);
5539 	} while (heart_beat_counter1 == heart_beat_counter2);
5540 
5541 	return rval;
5542 }
5543 
5544 /* Work: Perform NIC Core Reset handling */
5545 void
5546 qla83xx_nic_core_reset_work(struct work_struct *work)
5547 {
5548 	struct qla_hw_data *ha =
5549 		container_of(work, struct qla_hw_data, nic_core_reset);
5550 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5551 	uint32_t dev_state = 0;
5552 
5553 	if (IS_QLA2031(ha)) {
5554 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5555 			ql_log(ql_log_warn, base_vha, 0xb081,
5556 			    "Failed to dump mctp\n");
5557 		return;
5558 	}
5559 
5560 	if (!ha->flags.nic_core_reset_hdlr_active) {
5561 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5562 			qla83xx_idc_lock(base_vha, 0);
5563 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5564 			    &dev_state);
5565 			qla83xx_idc_unlock(base_vha, 0);
5566 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5567 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5568 				    "Nic Core f/w is alive.\n");
5569 				return;
5570 			}
5571 		}
5572 
5573 		ha->flags.nic_core_reset_hdlr_active = 1;
5574 		if (qla83xx_nic_core_reset(base_vha)) {
5575 			/* NIC Core reset failed. */
5576 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5577 			    "NIC Core reset failed.\n");
5578 		}
5579 		ha->flags.nic_core_reset_hdlr_active = 0;
5580 	}
5581 }
5582 
5583 /* Work: Handle 8200 IDC aens */
5584 void
5585 qla83xx_service_idc_aen(struct work_struct *work)
5586 {
5587 	struct qla_hw_data *ha =
5588 		container_of(work, struct qla_hw_data, idc_aen);
5589 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5590 	uint32_t dev_state, idc_control;
5591 
5592 	qla83xx_idc_lock(base_vha, 0);
5593 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5594 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5595 	qla83xx_idc_unlock(base_vha, 0);
5596 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5597 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5598 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5599 			    "Application requested NIC Core Reset.\n");
5600 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5601 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5602 		    QLA_SUCCESS) {
5603 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5604 			    "Other protocol driver requested NIC Core Reset.\n");
5605 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5606 		}
5607 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5608 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5609 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5610 	}
5611 }
5612 
5613 static void
5614 qla83xx_wait_logic(void)
5615 {
5616 	int i;
5617 
5618 	/* Yield CPU */
5619 	if (!in_interrupt()) {
5620 		/*
5621 		 * Wait about 200ms before retrying again.
5622 		 * This controls the number of retries for single
5623 		 * lock operation.
5624 		 */
5625 		msleep(100);
5626 		schedule();
5627 	} else {
5628 		for (i = 0; i < 20; i++)
5629 			cpu_relax(); /* This a nop instr on i386 */
5630 	}
5631 }
5632 
5633 static int
5634 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5635 {
5636 	int rval;
5637 	uint32_t data;
5638 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5639 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5640 	struct qla_hw_data *ha = base_vha->hw;
5641 
5642 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5643 	    "Trying force recovery of the IDC lock.\n");
5644 
5645 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5646 	if (rval)
5647 		return rval;
5648 
5649 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5650 		return QLA_SUCCESS;
5651 	} else {
5652 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5653 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5654 		    data);
5655 		if (rval)
5656 			return rval;
5657 
5658 		msleep(200);
5659 
5660 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5661 		    &data);
5662 		if (rval)
5663 			return rval;
5664 
5665 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5666 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5667 					~(idc_lck_rcvry_stage_mask));
5668 			rval = qla83xx_wr_reg(base_vha,
5669 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5670 			if (rval)
5671 				return rval;
5672 
5673 			/* Forcefully perform IDC UnLock */
5674 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5675 			    &data);
5676 			if (rval)
5677 				return rval;
5678 			/* Clear lock-id by setting 0xff */
5679 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5680 			    0xff);
5681 			if (rval)
5682 				return rval;
5683 			/* Clear lock-recovery by setting 0x0 */
5684 			rval = qla83xx_wr_reg(base_vha,
5685 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5686 			if (rval)
5687 				return rval;
5688 		} else
5689 			return QLA_SUCCESS;
5690 	}
5691 
5692 	return rval;
5693 }
5694 
5695 static int
5696 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5697 {
5698 	int rval = QLA_SUCCESS;
5699 	uint32_t o_drv_lockid, n_drv_lockid;
5700 	unsigned long lock_recovery_timeout;
5701 
5702 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5703 retry_lockid:
5704 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5705 	if (rval)
5706 		goto exit;
5707 
5708 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5709 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5710 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5711 			return QLA_SUCCESS;
5712 		else
5713 			return QLA_FUNCTION_FAILED;
5714 	}
5715 
5716 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5717 	if (rval)
5718 		goto exit;
5719 
5720 	if (o_drv_lockid == n_drv_lockid) {
5721 		qla83xx_wait_logic();
5722 		goto retry_lockid;
5723 	} else
5724 		return QLA_SUCCESS;
5725 
5726 exit:
5727 	return rval;
5728 }
5729 
5730 void
5731 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5732 {
5733 	uint32_t data;
5734 	uint32_t lock_owner;
5735 	struct qla_hw_data *ha = base_vha->hw;
5736 
5737 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5738 retry_lock:
5739 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5740 	    == QLA_SUCCESS) {
5741 		if (data) {
5742 			/* Setting lock-id to our function-number */
5743 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5744 			    ha->portnum);
5745 		} else {
5746 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5747 			    &lock_owner);
5748 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5749 			    "Failed to acquire IDC lock, acquired by %d, "
5750 			    "retrying...\n", lock_owner);
5751 
5752 			/* Retry/Perform IDC-Lock recovery */
5753 			if (qla83xx_idc_lock_recovery(base_vha)
5754 			    == QLA_SUCCESS) {
5755 				qla83xx_wait_logic();
5756 				goto retry_lock;
5757 			} else
5758 				ql_log(ql_log_warn, base_vha, 0xb075,
5759 				    "IDC Lock recovery FAILED.\n");
5760 		}
5761 
5762 	}
5763 
5764 	return;
5765 }
5766 
5767 static bool
5768 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5769 	struct purex_entry_24xx *purex)
5770 {
5771 	char fwstr[16];
5772 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5773 	struct port_database_24xx *pdb;
5774 
5775 	/* Domain Controller is always logged-out. */
5776 	/* if RDP request is not from Domain Controller: */
5777 	if (sid != 0xfffc01)
5778 		return false;
5779 
5780 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5781 
5782 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5783 	if (!pdb) {
5784 		ql_dbg(ql_dbg_init, vha, 0x0181,
5785 		    "%s: Failed allocate pdb\n", __func__);
5786 	} else if (qla24xx_get_port_database(vha,
5787 				le16_to_cpu(purex->nport_handle), pdb)) {
5788 		ql_dbg(ql_dbg_init, vha, 0x0181,
5789 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
5790 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5791 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
5792 		ql_dbg(ql_dbg_init, vha, 0x0181,
5793 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
5794 	} else {
5795 		/* RDP request is from logged in port */
5796 		kfree(pdb);
5797 		return false;
5798 	}
5799 	kfree(pdb);
5800 
5801 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5802 	fwstr[strcspn(fwstr, " ")] = 0;
5803 	/* if FW version allows RDP response length upto 2048 bytes: */
5804 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5805 		return false;
5806 
5807 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5808 
5809 	/* RDP response length is to be reduced to maximum 256 bytes */
5810 	return true;
5811 }
5812 
5813 static uint
5814 qla25xx_rdp_port_speed_capability(struct qla_hw_data *ha)
5815 {
5816 	if (IS_CNA_CAPABLE(ha))
5817 		return RDP_PORT_SPEED_10GB;
5818 
5819 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
5820 		unsigned int speeds = 0;
5821 
5822 		if (ha->max_supported_speed == 2) {
5823 			if (ha->min_supported_speed <= 6)
5824 				speeds |= RDP_PORT_SPEED_64GB;
5825 		}
5826 
5827 		if (ha->max_supported_speed == 2 ||
5828 		    ha->max_supported_speed == 1) {
5829 			if (ha->min_supported_speed <= 5)
5830 				speeds |= RDP_PORT_SPEED_32GB;
5831 		}
5832 
5833 		if (ha->max_supported_speed == 2 ||
5834 		    ha->max_supported_speed == 1 ||
5835 		    ha->max_supported_speed == 0) {
5836 			if (ha->min_supported_speed <= 4)
5837 				speeds |= RDP_PORT_SPEED_16GB;
5838 		}
5839 
5840 		if (ha->max_supported_speed == 1 ||
5841 		    ha->max_supported_speed == 0) {
5842 			if (ha->min_supported_speed <= 3)
5843 				speeds |= RDP_PORT_SPEED_8GB;
5844 		}
5845 
5846 		if (ha->max_supported_speed == 0) {
5847 			if (ha->min_supported_speed <= 2)
5848 				speeds |= RDP_PORT_SPEED_4GB;
5849 		}
5850 
5851 		return speeds;
5852 	}
5853 
5854 	if (IS_QLA2031(ha))
5855 		return RDP_PORT_SPEED_16GB|RDP_PORT_SPEED_8GB|
5856 		       RDP_PORT_SPEED_4GB;
5857 
5858 	if (IS_QLA25XX(ha))
5859 		return RDP_PORT_SPEED_8GB|RDP_PORT_SPEED_4GB|
5860 		       RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
5861 
5862 	if (IS_QLA24XX_TYPE(ha))
5863 		return RDP_PORT_SPEED_4GB|RDP_PORT_SPEED_2GB|
5864 		       RDP_PORT_SPEED_1GB;
5865 
5866 	if (IS_QLA23XX(ha))
5867 		return RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
5868 
5869 	return RDP_PORT_SPEED_1GB;
5870 }
5871 
5872 static uint
5873 qla25xx_rdp_port_speed_currently(struct qla_hw_data *ha)
5874 {
5875 	switch (ha->link_data_rate) {
5876 	case PORT_SPEED_1GB:
5877 		return RDP_PORT_SPEED_1GB;
5878 
5879 	case PORT_SPEED_2GB:
5880 		return RDP_PORT_SPEED_2GB;
5881 
5882 	case PORT_SPEED_4GB:
5883 		return RDP_PORT_SPEED_4GB;
5884 
5885 	case PORT_SPEED_8GB:
5886 		return RDP_PORT_SPEED_8GB;
5887 
5888 	case PORT_SPEED_10GB:
5889 		return RDP_PORT_SPEED_10GB;
5890 
5891 	case PORT_SPEED_16GB:
5892 		return RDP_PORT_SPEED_16GB;
5893 
5894 	case PORT_SPEED_32GB:
5895 		return RDP_PORT_SPEED_32GB;
5896 
5897 	case PORT_SPEED_64GB:
5898 		return RDP_PORT_SPEED_64GB;
5899 
5900 	default:
5901 		return RDP_PORT_SPEED_UNKNOWN;
5902 	}
5903 }
5904 
5905 /*
5906  * Function Name: qla24xx_process_purex_iocb
5907  *
5908  * Description:
5909  * Prepare a RDP response and send to Fabric switch
5910  *
5911  * PARAMETERS:
5912  * vha:	SCSI qla host
5913  * purex: RDP request received by HBA
5914  */
5915 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
5916 			       struct purex_item *item)
5917 {
5918 	struct qla_hw_data *ha = vha->hw;
5919 	struct purex_entry_24xx *purex =
5920 	    (struct purex_entry_24xx *)&item->iocb;
5921 	dma_addr_t rsp_els_dma;
5922 	dma_addr_t rsp_payload_dma;
5923 	dma_addr_t stat_dma;
5924 	dma_addr_t bbc_dma;
5925 	dma_addr_t sfp_dma;
5926 	struct els_entry_24xx *rsp_els = NULL;
5927 	struct rdp_rsp_payload *rsp_payload = NULL;
5928 	struct link_statistics *stat = NULL;
5929 	struct buffer_credit_24xx *bbc = NULL;
5930 	uint8_t *sfp = NULL;
5931 	uint16_t sfp_flags = 0;
5932 	uint rsp_payload_length = sizeof(*rsp_payload);
5933 	int rval;
5934 
5935 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
5936 	    "%s: Enter\n", __func__);
5937 
5938 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
5939 	    "-------- ELS REQ -------\n");
5940 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
5941 	    purex, sizeof(*purex));
5942 
5943 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
5944 		rsp_payload_length =
5945 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
5946 		ql_dbg(ql_dbg_init, vha, 0x0181,
5947 		    "Reducing RSP payload length to %u bytes...\n",
5948 		    rsp_payload_length);
5949 	}
5950 
5951 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
5952 	    &rsp_els_dma, GFP_KERNEL);
5953 	if (!rsp_els) {
5954 		ql_log(ql_log_warn, vha, 0x0183,
5955 		    "Failed allocate dma buffer ELS RSP.\n");
5956 		goto dealloc;
5957 	}
5958 
5959 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
5960 	    &rsp_payload_dma, GFP_KERNEL);
5961 	if (!rsp_payload) {
5962 		ql_log(ql_log_warn, vha, 0x0184,
5963 		    "Failed allocate dma buffer ELS RSP payload.\n");
5964 		goto dealloc;
5965 	}
5966 
5967 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
5968 	    &sfp_dma, GFP_KERNEL);
5969 
5970 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
5971 	    &stat_dma, GFP_KERNEL);
5972 
5973 	bbc = dma_alloc_coherent(&ha->pdev->dev, sizeof(*bbc),
5974 	    &bbc_dma, GFP_KERNEL);
5975 
5976 	/* Prepare Response IOCB */
5977 	rsp_els->entry_type = ELS_IOCB_TYPE;
5978 	rsp_els->entry_count = 1;
5979 	rsp_els->sys_define = 0;
5980 	rsp_els->entry_status = 0;
5981 	rsp_els->handle = 0;
5982 	rsp_els->nport_handle = purex->nport_handle;
5983 	rsp_els->tx_dsd_count = cpu_to_le16(1);
5984 	rsp_els->vp_index = purex->vp_idx;
5985 	rsp_els->sof_type = EST_SOFI3;
5986 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
5987 	rsp_els->rx_dsd_count = 0;
5988 	rsp_els->opcode = purex->els_frame_payload[0];
5989 
5990 	rsp_els->d_id[0] = purex->s_id[0];
5991 	rsp_els->d_id[1] = purex->s_id[1];
5992 	rsp_els->d_id[2] = purex->s_id[2];
5993 
5994 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
5995 	rsp_els->rx_byte_count = 0;
5996 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
5997 
5998 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
5999 	rsp_els->tx_len = rsp_els->tx_byte_count;
6000 
6001 	rsp_els->rx_address = 0;
6002 	rsp_els->rx_len = 0;
6003 
6004 	/* Prepare Response Payload */
6005 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
6006 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
6007 					   sizeof(rsp_payload->hdr));
6008 
6009 	/* Link service Request Info Descriptor */
6010 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
6011 	rsp_payload->ls_req_info_desc.desc_len =
6012 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
6013 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
6014 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6015 
6016 	/* Link service Request Info Descriptor 2 */
6017 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
6018 	rsp_payload->ls_req_info_desc2.desc_len =
6019 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
6020 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6021 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6022 
6023 
6024 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6025 	rsp_payload->sfp_diag_desc.desc_len =
6026 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6027 
6028 	if (sfp) {
6029 		/* SFP Flags */
6030 		memset(sfp, 0, SFP_RTDI_LEN);
6031 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6032 		if (!rval) {
6033 			/* SFP Flags bits 3-0: Port Tx Laser Type */
6034 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6035 				sfp_flags |= BIT_0; /* short wave */
6036 			else if (sfp[0] & BIT_1)
6037 				sfp_flags |= BIT_1; /* long wave 1310nm */
6038 			else if (sfp[1] & BIT_4)
6039 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6040 		}
6041 
6042 		/* SFP Type */
6043 		memset(sfp, 0, SFP_RTDI_LEN);
6044 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6045 		if (!rval) {
6046 			sfp_flags |= BIT_4; /* optical */
6047 			if (sfp[0] == 0x3)
6048 				sfp_flags |= BIT_6; /* sfp+ */
6049 		}
6050 
6051 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6052 
6053 		/* SFP Diagnostics */
6054 		memset(sfp, 0, SFP_RTDI_LEN);
6055 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6056 		if (!rval) {
6057 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6058 			rsp_payload->sfp_diag_desc.temperature = trx[0];
6059 			rsp_payload->sfp_diag_desc.vcc = trx[1];
6060 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6061 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6062 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6063 		}
6064 	}
6065 
6066 	/* Port Speed Descriptor */
6067 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6068 	rsp_payload->port_speed_desc.desc_len =
6069 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6070 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6071 	    qla25xx_rdp_port_speed_capability(ha));
6072 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6073 	    qla25xx_rdp_port_speed_currently(ha));
6074 
6075 	/* Link Error Status Descriptor */
6076 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6077 	rsp_payload->ls_err_desc.desc_len =
6078 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6079 
6080 	if (stat) {
6081 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6082 		if (!rval) {
6083 			rsp_payload->ls_err_desc.link_fail_cnt =
6084 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6085 			rsp_payload->ls_err_desc.loss_sync_cnt =
6086 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6087 			rsp_payload->ls_err_desc.loss_sig_cnt =
6088 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6089 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6090 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6091 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6092 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6093 			rsp_payload->ls_err_desc.inval_crc_cnt =
6094 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6095 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6096 		}
6097 	}
6098 
6099 	/* Portname Descriptor */
6100 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6101 	rsp_payload->port_name_diag_desc.desc_len =
6102 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6103 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6104 	    vha->node_name,
6105 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6106 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6107 	    vha->port_name,
6108 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6109 
6110 	/* F-Port Portname Descriptor */
6111 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6112 	rsp_payload->port_name_direct_desc.desc_len =
6113 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6114 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6115 	    vha->fabric_node_name,
6116 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6117 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6118 	    vha->fabric_port_name,
6119 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6120 
6121 	/* Bufer Credit Descriptor */
6122 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6123 	rsp_payload->buffer_credit_desc.desc_len =
6124 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6125 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6126 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6127 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6128 
6129 	if (bbc) {
6130 		memset(bbc, 0, sizeof(*bbc));
6131 		rval = qla24xx_get_buffer_credits(vha, bbc, bbc_dma);
6132 		if (!rval) {
6133 			rsp_payload->buffer_credit_desc.fcport_b2b =
6134 			    cpu_to_be32(LSW(bbc->parameter[0]));
6135 		}
6136 	}
6137 
6138 	if (rsp_payload_length < sizeof(*rsp_payload))
6139 		goto send;
6140 
6141 	/* Optical Element Descriptor, Temperature */
6142 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6143 	rsp_payload->optical_elmt_desc[0].desc_len =
6144 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6145 	/* Optical Element Descriptor, Voltage */
6146 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6147 	rsp_payload->optical_elmt_desc[1].desc_len =
6148 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6149 	/* Optical Element Descriptor, Tx Bias Current */
6150 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6151 	rsp_payload->optical_elmt_desc[2].desc_len =
6152 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6153 	/* Optical Element Descriptor, Tx Power */
6154 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6155 	rsp_payload->optical_elmt_desc[3].desc_len =
6156 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6157 	/* Optical Element Descriptor, Rx Power */
6158 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6159 	rsp_payload->optical_elmt_desc[4].desc_len =
6160 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6161 
6162 	if (sfp) {
6163 		memset(sfp, 0, SFP_RTDI_LEN);
6164 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6165 		if (!rval) {
6166 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6167 
6168 			/* Optical Element Descriptor, Temperature */
6169 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6170 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6171 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6172 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6173 			rsp_payload->optical_elmt_desc[0].element_flags =
6174 			    cpu_to_be32(1 << 28);
6175 
6176 			/* Optical Element Descriptor, Voltage */
6177 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6178 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6179 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6180 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6181 			rsp_payload->optical_elmt_desc[1].element_flags =
6182 			    cpu_to_be32(2 << 28);
6183 
6184 			/* Optical Element Descriptor, Tx Bias Current */
6185 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6186 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6187 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6188 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6189 			rsp_payload->optical_elmt_desc[2].element_flags =
6190 			    cpu_to_be32(3 << 28);
6191 
6192 			/* Optical Element Descriptor, Tx Power */
6193 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6194 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6195 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6196 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6197 			rsp_payload->optical_elmt_desc[3].element_flags =
6198 			    cpu_to_be32(4 << 28);
6199 
6200 			/* Optical Element Descriptor, Rx Power */
6201 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6202 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6203 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6204 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6205 			rsp_payload->optical_elmt_desc[4].element_flags =
6206 			    cpu_to_be32(5 << 28);
6207 		}
6208 
6209 		memset(sfp, 0, SFP_RTDI_LEN);
6210 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6211 		if (!rval) {
6212 			/* Temperature high/low alarm/warning */
6213 			rsp_payload->optical_elmt_desc[0].element_flags |=
6214 			    cpu_to_be32(
6215 				(sfp[0] >> 7 & 1) << 3 |
6216 				(sfp[0] >> 6 & 1) << 2 |
6217 				(sfp[4] >> 7 & 1) << 1 |
6218 				(sfp[4] >> 6 & 1) << 0);
6219 
6220 			/* Voltage high/low alarm/warning */
6221 			rsp_payload->optical_elmt_desc[1].element_flags |=
6222 			    cpu_to_be32(
6223 				(sfp[0] >> 5 & 1) << 3 |
6224 				(sfp[0] >> 4 & 1) << 2 |
6225 				(sfp[4] >> 5 & 1) << 1 |
6226 				(sfp[4] >> 4 & 1) << 0);
6227 
6228 			/* Tx Bias Current high/low alarm/warning */
6229 			rsp_payload->optical_elmt_desc[2].element_flags |=
6230 			    cpu_to_be32(
6231 				(sfp[0] >> 3 & 1) << 3 |
6232 				(sfp[0] >> 2 & 1) << 2 |
6233 				(sfp[4] >> 3 & 1) << 1 |
6234 				(sfp[4] >> 2 & 1) << 0);
6235 
6236 			/* Tx Power high/low alarm/warning */
6237 			rsp_payload->optical_elmt_desc[3].element_flags |=
6238 			    cpu_to_be32(
6239 				(sfp[0] >> 1 & 1) << 3 |
6240 				(sfp[0] >> 0 & 1) << 2 |
6241 				(sfp[4] >> 1 & 1) << 1 |
6242 				(sfp[4] >> 0 & 1) << 0);
6243 
6244 			/* Rx Power high/low alarm/warning */
6245 			rsp_payload->optical_elmt_desc[4].element_flags |=
6246 			    cpu_to_be32(
6247 				(sfp[1] >> 7 & 1) << 3 |
6248 				(sfp[1] >> 6 & 1) << 2 |
6249 				(sfp[5] >> 7 & 1) << 1 |
6250 				(sfp[5] >> 6 & 1) << 0);
6251 		}
6252 	}
6253 
6254 	/* Optical Product Data Descriptor */
6255 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6256 	rsp_payload->optical_prod_desc.desc_len =
6257 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6258 
6259 	if (sfp) {
6260 		memset(sfp, 0, SFP_RTDI_LEN);
6261 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6262 		if (!rval) {
6263 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6264 			    sfp + 0,
6265 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6266 			memcpy(rsp_payload->optical_prod_desc.part_number,
6267 			    sfp + 20,
6268 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6269 			memcpy(rsp_payload->optical_prod_desc.revision,
6270 			    sfp + 36,
6271 			    sizeof(rsp_payload->optical_prod_desc.revision));
6272 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6273 			    sfp + 48,
6274 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6275 		}
6276 
6277 		memset(sfp, 0, SFP_RTDI_LEN);
6278 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6279 		if (!rval) {
6280 			memcpy(rsp_payload->optical_prod_desc.date,
6281 			    sfp + 0,
6282 			    sizeof(rsp_payload->optical_prod_desc.date));
6283 		}
6284 	}
6285 
6286 send:
6287 	ql_dbg(ql_dbg_init, vha, 0x0183,
6288 	    "Sending ELS Response to RDP Request...\n");
6289 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6290 	    "-------- ELS RSP -------\n");
6291 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6292 	    rsp_els, sizeof(*rsp_els));
6293 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6294 	    "-------- ELS RSP PAYLOAD -------\n");
6295 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6296 	    rsp_payload, rsp_payload_length);
6297 
6298 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6299 
6300 	if (rval) {
6301 		ql_log(ql_log_warn, vha, 0x0188,
6302 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6303 	} else if (rsp_els->comp_status) {
6304 		ql_log(ql_log_warn, vha, 0x0189,
6305 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6306 		    __func__, rsp_els->comp_status,
6307 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6308 	} else {
6309 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6310 	}
6311 
6312 dealloc:
6313 	if (bbc)
6314 		dma_free_coherent(&ha->pdev->dev, sizeof(*bbc),
6315 		    bbc, bbc_dma);
6316 	if (stat)
6317 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6318 		    stat, stat_dma);
6319 	if (sfp)
6320 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6321 		    sfp, sfp_dma);
6322 	if (rsp_payload)
6323 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6324 		    rsp_payload, rsp_payload_dma);
6325 	if (rsp_els)
6326 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6327 		    rsp_els, rsp_els_dma);
6328 }
6329 
6330 void
6331 qla24xx_free_purex_item(struct purex_item *item)
6332 {
6333 	if (item == &item->vha->default_item)
6334 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6335 	else
6336 		kfree(item);
6337 }
6338 
6339 void qla24xx_process_purex_list(struct purex_list *list)
6340 {
6341 	struct list_head head = LIST_HEAD_INIT(head);
6342 	struct purex_item *item, *next;
6343 	ulong flags;
6344 
6345 	spin_lock_irqsave(&list->lock, flags);
6346 	list_splice_init(&list->head, &head);
6347 	spin_unlock_irqrestore(&list->lock, flags);
6348 
6349 	list_for_each_entry_safe(item, next, &head, list) {
6350 		list_del(&item->list);
6351 		item->process_item(item->vha, item);
6352 		qla24xx_free_purex_item(item);
6353 	}
6354 }
6355 
6356 void
6357 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6358 {
6359 #if 0
6360 	uint16_t options = (requester_id << 15) | BIT_7;
6361 #endif
6362 	uint16_t retry;
6363 	uint32_t data;
6364 	struct qla_hw_data *ha = base_vha->hw;
6365 
6366 	/* IDC-unlock implementation using driver-unlock/lock-id
6367 	 * remote registers
6368 	 */
6369 	retry = 0;
6370 retry_unlock:
6371 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6372 	    == QLA_SUCCESS) {
6373 		if (data == ha->portnum) {
6374 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6375 			/* Clearing lock-id by setting 0xff */
6376 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6377 		} else if (retry < 10) {
6378 			/* SV: XXX: IDC unlock retrying needed here? */
6379 
6380 			/* Retry for IDC-unlock */
6381 			qla83xx_wait_logic();
6382 			retry++;
6383 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6384 			    "Failed to release IDC lock, retrying=%d\n", retry);
6385 			goto retry_unlock;
6386 		}
6387 	} else if (retry < 10) {
6388 		/* Retry for IDC-unlock */
6389 		qla83xx_wait_logic();
6390 		retry++;
6391 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6392 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6393 		goto retry_unlock;
6394 	}
6395 
6396 	return;
6397 
6398 #if 0
6399 	/* XXX: IDC-unlock implementation using access-control mbx */
6400 	retry = 0;
6401 retry_unlock2:
6402 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6403 		if (retry < 10) {
6404 			/* Retry for IDC-unlock */
6405 			qla83xx_wait_logic();
6406 			retry++;
6407 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6408 			    "Failed to release IDC lock, retrying=%d\n", retry);
6409 			goto retry_unlock2;
6410 		}
6411 	}
6412 
6413 	return;
6414 #endif
6415 }
6416 
6417 int
6418 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6419 {
6420 	int rval = QLA_SUCCESS;
6421 	struct qla_hw_data *ha = vha->hw;
6422 	uint32_t drv_presence;
6423 
6424 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6425 	if (rval == QLA_SUCCESS) {
6426 		drv_presence |= (1 << ha->portnum);
6427 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6428 		    drv_presence);
6429 	}
6430 
6431 	return rval;
6432 }
6433 
6434 int
6435 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6436 {
6437 	int rval = QLA_SUCCESS;
6438 
6439 	qla83xx_idc_lock(vha, 0);
6440 	rval = __qla83xx_set_drv_presence(vha);
6441 	qla83xx_idc_unlock(vha, 0);
6442 
6443 	return rval;
6444 }
6445 
6446 int
6447 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6448 {
6449 	int rval = QLA_SUCCESS;
6450 	struct qla_hw_data *ha = vha->hw;
6451 	uint32_t drv_presence;
6452 
6453 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6454 	if (rval == QLA_SUCCESS) {
6455 		drv_presence &= ~(1 << ha->portnum);
6456 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6457 		    drv_presence);
6458 	}
6459 
6460 	return rval;
6461 }
6462 
6463 int
6464 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6465 {
6466 	int rval = QLA_SUCCESS;
6467 
6468 	qla83xx_idc_lock(vha, 0);
6469 	rval = __qla83xx_clear_drv_presence(vha);
6470 	qla83xx_idc_unlock(vha, 0);
6471 
6472 	return rval;
6473 }
6474 
6475 static void
6476 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6477 {
6478 	struct qla_hw_data *ha = vha->hw;
6479 	uint32_t drv_ack, drv_presence;
6480 	unsigned long ack_timeout;
6481 
6482 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6483 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6484 	while (1) {
6485 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6486 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6487 		if ((drv_ack & drv_presence) == drv_presence)
6488 			break;
6489 
6490 		if (time_after_eq(jiffies, ack_timeout)) {
6491 			ql_log(ql_log_warn, vha, 0xb067,
6492 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6493 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6494 			/*
6495 			 * The function(s) which did not ack in time are forced
6496 			 * to withdraw any further participation in the IDC
6497 			 * reset.
6498 			 */
6499 			if (drv_ack != drv_presence)
6500 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6501 				    drv_ack);
6502 			break;
6503 		}
6504 
6505 		qla83xx_idc_unlock(vha, 0);
6506 		msleep(1000);
6507 		qla83xx_idc_lock(vha, 0);
6508 	}
6509 
6510 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6511 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6512 }
6513 
6514 static int
6515 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6516 {
6517 	int rval = QLA_SUCCESS;
6518 	uint32_t idc_control;
6519 
6520 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6521 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6522 
6523 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6524 	__qla83xx_get_idc_control(vha, &idc_control);
6525 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6526 	__qla83xx_set_idc_control(vha, 0);
6527 
6528 	qla83xx_idc_unlock(vha, 0);
6529 	rval = qla83xx_restart_nic_firmware(vha);
6530 	qla83xx_idc_lock(vha, 0);
6531 
6532 	if (rval != QLA_SUCCESS) {
6533 		ql_log(ql_log_fatal, vha, 0xb06a,
6534 		    "Failed to restart NIC f/w.\n");
6535 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6536 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6537 	} else {
6538 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6539 		    "Success in restarting nic f/w.\n");
6540 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6541 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6542 	}
6543 
6544 	return rval;
6545 }
6546 
6547 /* Assumes idc_lock always held on entry */
6548 int
6549 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6550 {
6551 	struct qla_hw_data *ha = base_vha->hw;
6552 	int rval = QLA_SUCCESS;
6553 	unsigned long dev_init_timeout;
6554 	uint32_t dev_state;
6555 
6556 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6557 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6558 
6559 	while (1) {
6560 
6561 		if (time_after_eq(jiffies, dev_init_timeout)) {
6562 			ql_log(ql_log_warn, base_vha, 0xb06e,
6563 			    "Initialization TIMEOUT!\n");
6564 			/* Init timeout. Disable further NIC Core
6565 			 * communication.
6566 			 */
6567 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6568 				QLA8XXX_DEV_FAILED);
6569 			ql_log(ql_log_info, base_vha, 0xb06f,
6570 			    "HW State: FAILED.\n");
6571 		}
6572 
6573 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6574 		switch (dev_state) {
6575 		case QLA8XXX_DEV_READY:
6576 			if (ha->flags.nic_core_reset_owner)
6577 				qla83xx_idc_audit(base_vha,
6578 				    IDC_AUDIT_COMPLETION);
6579 			ha->flags.nic_core_reset_owner = 0;
6580 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6581 			    "Reset_owner reset by 0x%x.\n",
6582 			    ha->portnum);
6583 			goto exit;
6584 		case QLA8XXX_DEV_COLD:
6585 			if (ha->flags.nic_core_reset_owner)
6586 				rval = qla83xx_device_bootstrap(base_vha);
6587 			else {
6588 			/* Wait for AEN to change device-state */
6589 				qla83xx_idc_unlock(base_vha, 0);
6590 				msleep(1000);
6591 				qla83xx_idc_lock(base_vha, 0);
6592 			}
6593 			break;
6594 		case QLA8XXX_DEV_INITIALIZING:
6595 			/* Wait for AEN to change device-state */
6596 			qla83xx_idc_unlock(base_vha, 0);
6597 			msleep(1000);
6598 			qla83xx_idc_lock(base_vha, 0);
6599 			break;
6600 		case QLA8XXX_DEV_NEED_RESET:
6601 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6602 				qla83xx_need_reset_handler(base_vha);
6603 			else {
6604 				/* Wait for AEN to change device-state */
6605 				qla83xx_idc_unlock(base_vha, 0);
6606 				msleep(1000);
6607 				qla83xx_idc_lock(base_vha, 0);
6608 			}
6609 			/* reset timeout value after need reset handler */
6610 			dev_init_timeout = jiffies +
6611 			    (ha->fcoe_dev_init_timeout * HZ);
6612 			break;
6613 		case QLA8XXX_DEV_NEED_QUIESCENT:
6614 			/* XXX: DEBUG for now */
6615 			qla83xx_idc_unlock(base_vha, 0);
6616 			msleep(1000);
6617 			qla83xx_idc_lock(base_vha, 0);
6618 			break;
6619 		case QLA8XXX_DEV_QUIESCENT:
6620 			/* XXX: DEBUG for now */
6621 			if (ha->flags.quiesce_owner)
6622 				goto exit;
6623 
6624 			qla83xx_idc_unlock(base_vha, 0);
6625 			msleep(1000);
6626 			qla83xx_idc_lock(base_vha, 0);
6627 			dev_init_timeout = jiffies +
6628 			    (ha->fcoe_dev_init_timeout * HZ);
6629 			break;
6630 		case QLA8XXX_DEV_FAILED:
6631 			if (ha->flags.nic_core_reset_owner)
6632 				qla83xx_idc_audit(base_vha,
6633 				    IDC_AUDIT_COMPLETION);
6634 			ha->flags.nic_core_reset_owner = 0;
6635 			__qla83xx_clear_drv_presence(base_vha);
6636 			qla83xx_idc_unlock(base_vha, 0);
6637 			qla8xxx_dev_failed_handler(base_vha);
6638 			rval = QLA_FUNCTION_FAILED;
6639 			qla83xx_idc_lock(base_vha, 0);
6640 			goto exit;
6641 		case QLA8XXX_BAD_VALUE:
6642 			qla83xx_idc_unlock(base_vha, 0);
6643 			msleep(1000);
6644 			qla83xx_idc_lock(base_vha, 0);
6645 			break;
6646 		default:
6647 			ql_log(ql_log_warn, base_vha, 0xb071,
6648 			    "Unknown Device State: %x.\n", dev_state);
6649 			qla83xx_idc_unlock(base_vha, 0);
6650 			qla8xxx_dev_failed_handler(base_vha);
6651 			rval = QLA_FUNCTION_FAILED;
6652 			qla83xx_idc_lock(base_vha, 0);
6653 			goto exit;
6654 		}
6655 	}
6656 
6657 exit:
6658 	return rval;
6659 }
6660 
6661 void
6662 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6663 {
6664 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6665 	    board_disable);
6666 	struct pci_dev *pdev = ha->pdev;
6667 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6668 
6669 	ql_log(ql_log_warn, base_vha, 0x015b,
6670 	    "Disabling adapter.\n");
6671 
6672 	if (!atomic_read(&pdev->enable_cnt)) {
6673 		ql_log(ql_log_info, base_vha, 0xfffc,
6674 		    "PCI device disabled, no action req for PCI error=%lx\n",
6675 		    base_vha->pci_flags);
6676 		return;
6677 	}
6678 
6679 	/*
6680 	 * if UNLOADING flag is already set, then continue unload,
6681 	 * where it was set first.
6682 	 */
6683 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6684 		return;
6685 
6686 	qla2x00_wait_for_sess_deletion(base_vha);
6687 
6688 	qla2x00_delete_all_vps(ha, base_vha);
6689 
6690 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6691 
6692 	qla2x00_dfs_remove(base_vha);
6693 
6694 	qla84xx_put_chip(base_vha);
6695 
6696 	if (base_vha->timer_active)
6697 		qla2x00_stop_timer(base_vha);
6698 
6699 	base_vha->flags.online = 0;
6700 
6701 	qla2x00_destroy_deferred_work(ha);
6702 
6703 	/*
6704 	 * Do not try to stop beacon blink as it will issue a mailbox
6705 	 * command.
6706 	 */
6707 	qla2x00_free_sysfs_attr(base_vha, false);
6708 
6709 	fc_remove_host(base_vha->host);
6710 
6711 	scsi_remove_host(base_vha->host);
6712 
6713 	base_vha->flags.init_done = 0;
6714 	qla25xx_delete_queues(base_vha);
6715 	qla2x00_free_fcports(base_vha);
6716 	qla2x00_free_irqs(base_vha);
6717 	qla2x00_mem_free(ha);
6718 	qla82xx_md_free(base_vha);
6719 	qla2x00_free_queues(ha);
6720 
6721 	qla2x00_unmap_iobases(ha);
6722 
6723 	pci_release_selected_regions(ha->pdev, ha->bars);
6724 	pci_disable_pcie_error_reporting(pdev);
6725 	pci_disable_device(pdev);
6726 
6727 	/*
6728 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6729 	 */
6730 }
6731 
6732 /**************************************************************************
6733 * qla2x00_do_dpc
6734 *   This kernel thread is a task that is schedule by the interrupt handler
6735 *   to perform the background processing for interrupts.
6736 *
6737 * Notes:
6738 * This task always run in the context of a kernel thread.  It
6739 * is kick-off by the driver's detect code and starts up
6740 * up one per adapter. It immediately goes to sleep and waits for
6741 * some fibre event.  When either the interrupt handler or
6742 * the timer routine detects a event it will one of the task
6743 * bits then wake us up.
6744 **************************************************************************/
6745 static int
6746 qla2x00_do_dpc(void *data)
6747 {
6748 	scsi_qla_host_t *base_vha;
6749 	struct qla_hw_data *ha;
6750 	uint32_t online;
6751 	struct qla_qpair *qpair;
6752 
6753 	ha = (struct qla_hw_data *)data;
6754 	base_vha = pci_get_drvdata(ha->pdev);
6755 
6756 	set_user_nice(current, MIN_NICE);
6757 
6758 	set_current_state(TASK_INTERRUPTIBLE);
6759 	while (!kthread_should_stop()) {
6760 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6761 		    "DPC handler sleeping.\n");
6762 
6763 		schedule();
6764 
6765 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6766 			goto end_loop;
6767 
6768 		if (ha->flags.eeh_busy) {
6769 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6770 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6771 			goto end_loop;
6772 		}
6773 
6774 		ha->dpc_active = 1;
6775 
6776 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6777 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6778 		    base_vha->dpc_flags);
6779 
6780 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6781 			break;
6782 
6783 		if (IS_P3P_TYPE(ha)) {
6784 			if (IS_QLA8044(ha)) {
6785 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6786 					&base_vha->dpc_flags)) {
6787 					qla8044_idc_lock(ha);
6788 					qla8044_wr_direct(base_vha,
6789 						QLA8044_CRB_DEV_STATE_INDEX,
6790 						QLA8XXX_DEV_FAILED);
6791 					qla8044_idc_unlock(ha);
6792 					ql_log(ql_log_info, base_vha, 0x4004,
6793 						"HW State: FAILED.\n");
6794 					qla8044_device_state_handler(base_vha);
6795 					continue;
6796 				}
6797 
6798 			} else {
6799 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6800 					&base_vha->dpc_flags)) {
6801 					qla82xx_idc_lock(ha);
6802 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6803 						QLA8XXX_DEV_FAILED);
6804 					qla82xx_idc_unlock(ha);
6805 					ql_log(ql_log_info, base_vha, 0x0151,
6806 						"HW State: FAILED.\n");
6807 					qla82xx_device_state_handler(base_vha);
6808 					continue;
6809 				}
6810 			}
6811 
6812 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6813 				&base_vha->dpc_flags)) {
6814 
6815 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6816 				    "FCoE context reset scheduled.\n");
6817 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6818 					&base_vha->dpc_flags))) {
6819 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6820 						/* FCoE-ctx reset failed.
6821 						 * Escalate to chip-reset
6822 						 */
6823 						set_bit(ISP_ABORT_NEEDED,
6824 							&base_vha->dpc_flags);
6825 					}
6826 					clear_bit(ABORT_ISP_ACTIVE,
6827 						&base_vha->dpc_flags);
6828 				}
6829 
6830 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6831 				    "FCoE context reset end.\n");
6832 			}
6833 		} else if (IS_QLAFX00(ha)) {
6834 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6835 				&base_vha->dpc_flags)) {
6836 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6837 				    "Firmware Reset Recovery\n");
6838 				if (qlafx00_reset_initialize(base_vha)) {
6839 					/* Failed. Abort isp later. */
6840 					if (!test_bit(UNLOADING,
6841 					    &base_vha->dpc_flags)) {
6842 						set_bit(ISP_UNRECOVERABLE,
6843 						    &base_vha->dpc_flags);
6844 						ql_dbg(ql_dbg_dpc, base_vha,
6845 						    0x4021,
6846 						    "Reset Recovery Failed\n");
6847 					}
6848 				}
6849 			}
6850 
6851 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6852 				&base_vha->dpc_flags)) {
6853 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6854 				    "ISPFx00 Target Scan scheduled\n");
6855 				if (qlafx00_rescan_isp(base_vha)) {
6856 					if (!test_bit(UNLOADING,
6857 					    &base_vha->dpc_flags))
6858 						set_bit(ISP_UNRECOVERABLE,
6859 						    &base_vha->dpc_flags);
6860 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6861 					    "ISPFx00 Target Scan Failed\n");
6862 				}
6863 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6864 				    "ISPFx00 Target Scan End\n");
6865 			}
6866 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6867 				&base_vha->dpc_flags)) {
6868 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6869 				    "ISPFx00 Host Info resend scheduled\n");
6870 				qlafx00_fx_disc(base_vha,
6871 				    &base_vha->hw->mr.fcport,
6872 				    FXDISC_REG_HOST_INFO);
6873 			}
6874 		}
6875 
6876 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6877 		    &base_vha->dpc_flags)) {
6878 			/* Semantic:
6879 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6880 			 *             to minimize disruptions that will occur
6881 			 *             when a forced chip-reset occurs.
6882 			 *  - Force -- ISP-ABORT scheduled.
6883 			 */
6884 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6885 		}
6886 
6887 		if (test_and_clear_bit
6888 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6889 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6890 			bool do_reset = true;
6891 
6892 			switch (base_vha->qlini_mode) {
6893 			case QLA2XXX_INI_MODE_ENABLED:
6894 				break;
6895 			case QLA2XXX_INI_MODE_DISABLED:
6896 				if (!qla_tgt_mode_enabled(base_vha) &&
6897 				    !ha->flags.fw_started)
6898 					do_reset = false;
6899 				break;
6900 			case QLA2XXX_INI_MODE_DUAL:
6901 				if (!qla_dual_mode_enabled(base_vha) &&
6902 				    !ha->flags.fw_started)
6903 					do_reset = false;
6904 				break;
6905 			default:
6906 				break;
6907 			}
6908 
6909 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6910 			    &base_vha->dpc_flags))) {
6911 				base_vha->flags.online = 1;
6912 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6913 				    "ISP abort scheduled.\n");
6914 				if (ha->isp_ops->abort_isp(base_vha)) {
6915 					/* failed. retry later */
6916 					set_bit(ISP_ABORT_NEEDED,
6917 					    &base_vha->dpc_flags);
6918 				}
6919 				clear_bit(ABORT_ISP_ACTIVE,
6920 						&base_vha->dpc_flags);
6921 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6922 				    "ISP abort end.\n");
6923 			}
6924 		}
6925 
6926 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
6927 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
6928 				qla24xx_process_purex_list
6929 					(&base_vha->purex_list);
6930 				clear_bit(PROCESS_PUREX_IOCB,
6931 				    &base_vha->dpc_flags);
6932 			}
6933 		}
6934 
6935 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6936 		    &base_vha->dpc_flags)) {
6937 			qla2x00_update_fcports(base_vha);
6938 		}
6939 
6940 		if (IS_QLAFX00(ha))
6941 			goto loop_resync_check;
6942 
6943 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6944 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6945 			    "Quiescence mode scheduled.\n");
6946 			if (IS_P3P_TYPE(ha)) {
6947 				if (IS_QLA82XX(ha))
6948 					qla82xx_device_state_handler(base_vha);
6949 				if (IS_QLA8044(ha))
6950 					qla8044_device_state_handler(base_vha);
6951 				clear_bit(ISP_QUIESCE_NEEDED,
6952 				    &base_vha->dpc_flags);
6953 				if (!ha->flags.quiesce_owner) {
6954 					qla2x00_perform_loop_resync(base_vha);
6955 					if (IS_QLA82XX(ha)) {
6956 						qla82xx_idc_lock(ha);
6957 						qla82xx_clear_qsnt_ready(
6958 						    base_vha);
6959 						qla82xx_idc_unlock(ha);
6960 					} else if (IS_QLA8044(ha)) {
6961 						qla8044_idc_lock(ha);
6962 						qla8044_clear_qsnt_ready(
6963 						    base_vha);
6964 						qla8044_idc_unlock(ha);
6965 					}
6966 				}
6967 			} else {
6968 				clear_bit(ISP_QUIESCE_NEEDED,
6969 				    &base_vha->dpc_flags);
6970 				qla2x00_quiesce_io(base_vha);
6971 			}
6972 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6973 			    "Quiescence mode end.\n");
6974 		}
6975 
6976 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6977 				&base_vha->dpc_flags) &&
6978 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6979 
6980 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6981 			    "Reset marker scheduled.\n");
6982 			qla2x00_rst_aen(base_vha);
6983 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6984 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6985 			    "Reset marker end.\n");
6986 		}
6987 
6988 		/* Retry each device up to login retry count */
6989 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6990 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6991 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6992 
6993 			if (!base_vha->relogin_jif ||
6994 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6995 				base_vha->relogin_jif = jiffies + HZ;
6996 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6997 
6998 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6999 				    "Relogin scheduled.\n");
7000 				qla24xx_post_relogin_work(base_vha);
7001 			}
7002 		}
7003 loop_resync_check:
7004 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
7005 		    &base_vha->dpc_flags)) {
7006 
7007 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
7008 			    "Loop resync scheduled.\n");
7009 
7010 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
7011 			    &base_vha->dpc_flags))) {
7012 
7013 				qla2x00_loop_resync(base_vha);
7014 
7015 				clear_bit(LOOP_RESYNC_ACTIVE,
7016 						&base_vha->dpc_flags);
7017 			}
7018 
7019 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
7020 			    "Loop resync end.\n");
7021 		}
7022 
7023 		if (IS_QLAFX00(ha))
7024 			goto intr_on_check;
7025 
7026 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
7027 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
7028 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
7029 			qla2xxx_flash_npiv_conf(base_vha);
7030 		}
7031 
7032 intr_on_check:
7033 		if (!ha->interrupts_on)
7034 			ha->isp_ops->enable_intrs(ha);
7035 
7036 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7037 					&base_vha->dpc_flags)) {
7038 			if (ha->beacon_blink_led == 1)
7039 				ha->isp_ops->beacon_blink(base_vha);
7040 		}
7041 
7042 		/* qpair online check */
7043 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7044 		    &base_vha->dpc_flags)) {
7045 			if (ha->flags.eeh_busy ||
7046 			    ha->flags.pci_channel_io_perm_failure)
7047 				online = 0;
7048 			else
7049 				online = 1;
7050 
7051 			mutex_lock(&ha->mq_lock);
7052 			list_for_each_entry(qpair, &base_vha->qp_list,
7053 			    qp_list_elem)
7054 			qpair->online = online;
7055 			mutex_unlock(&ha->mq_lock);
7056 		}
7057 
7058 		if (test_and_clear_bit(SET_NVME_ZIO_THRESHOLD_NEEDED,
7059 		    &base_vha->dpc_flags)) {
7060 			ql_log(ql_log_info, base_vha, 0xffffff,
7061 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
7062 						ha->nvme_last_rptd_aen);
7063 			if (qla27xx_set_zio_threshold(base_vha,
7064 			    ha->nvme_last_rptd_aen)) {
7065 				ql_log(ql_log_info, base_vha, 0xffffff,
7066 				    "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
7067 				    ha->nvme_last_rptd_aen);
7068 			}
7069 		}
7070 
7071 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7072 		    &base_vha->dpc_flags)) {
7073 			ql_log(ql_log_info, base_vha, 0xffffff,
7074 			    "SET ZIO Activity exchange threshold to %d.\n",
7075 			    ha->last_zio_threshold);
7076 			qla27xx_set_zio_threshold(base_vha,
7077 			    ha->last_zio_threshold);
7078 		}
7079 
7080 		if (!IS_QLAFX00(ha))
7081 			qla2x00_do_dpc_all_vps(base_vha);
7082 
7083 		if (test_and_clear_bit(N2N_LINK_RESET,
7084 			&base_vha->dpc_flags)) {
7085 			qla2x00_lip_reset(base_vha);
7086 		}
7087 
7088 		ha->dpc_active = 0;
7089 end_loop:
7090 		set_current_state(TASK_INTERRUPTIBLE);
7091 	} /* End of while(1) */
7092 	__set_current_state(TASK_RUNNING);
7093 
7094 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7095 	    "DPC handler exiting.\n");
7096 
7097 	/*
7098 	 * Make sure that nobody tries to wake us up again.
7099 	 */
7100 	ha->dpc_active = 0;
7101 
7102 	/* Cleanup any residual CTX SRBs. */
7103 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7104 
7105 	return 0;
7106 }
7107 
7108 void
7109 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7110 {
7111 	struct qla_hw_data *ha = vha->hw;
7112 	struct task_struct *t = ha->dpc_thread;
7113 
7114 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7115 		wake_up_process(t);
7116 }
7117 
7118 /*
7119 *  qla2x00_rst_aen
7120 *      Processes asynchronous reset.
7121 *
7122 * Input:
7123 *      ha  = adapter block pointer.
7124 */
7125 static void
7126 qla2x00_rst_aen(scsi_qla_host_t *vha)
7127 {
7128 	if (vha->flags.online && !vha->flags.reset_active &&
7129 	    !atomic_read(&vha->loop_down_timer) &&
7130 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7131 		do {
7132 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7133 
7134 			/*
7135 			 * Issue marker command only when we are going to start
7136 			 * the I/O.
7137 			 */
7138 			vha->marker_needed = 1;
7139 		} while (!atomic_read(&vha->loop_down_timer) &&
7140 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7141 	}
7142 }
7143 
7144 /**************************************************************************
7145 *   qla2x00_timer
7146 *
7147 * Description:
7148 *   One second timer
7149 *
7150 * Context: Interrupt
7151 ***************************************************************************/
7152 void
7153 qla2x00_timer(struct timer_list *t)
7154 {
7155 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7156 	unsigned long	cpu_flags = 0;
7157 	int		start_dpc = 0;
7158 	int		index;
7159 	srb_t		*sp;
7160 	uint16_t        w;
7161 	struct qla_hw_data *ha = vha->hw;
7162 	struct req_que *req;
7163 
7164 	if (ha->flags.eeh_busy) {
7165 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7166 		    "EEH = %d, restarting timer.\n",
7167 		    ha->flags.eeh_busy);
7168 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7169 		return;
7170 	}
7171 
7172 	/*
7173 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7174 	 * the read returns -1 then disable the board.
7175 	 */
7176 	if (!pci_channel_offline(ha->pdev)) {
7177 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7178 		qla2x00_check_reg16_for_disconnect(vha, w);
7179 	}
7180 
7181 	/* Make sure qla82xx_watchdog is run only for physical port */
7182 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7183 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7184 			start_dpc++;
7185 		if (IS_QLA82XX(ha))
7186 			qla82xx_watchdog(vha);
7187 		else if (IS_QLA8044(ha))
7188 			qla8044_watchdog(vha);
7189 	}
7190 
7191 	if (!vha->vp_idx && IS_QLAFX00(ha))
7192 		qlafx00_timer_routine(vha);
7193 
7194 	/* Loop down handler. */
7195 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7196 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7197 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7198 		&& vha->flags.online) {
7199 
7200 		if (atomic_read(&vha->loop_down_timer) ==
7201 		    vha->loop_down_abort_time) {
7202 
7203 			ql_log(ql_log_info, vha, 0x6008,
7204 			    "Loop down - aborting the queues before time expires.\n");
7205 
7206 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7207 				atomic_set(&vha->loop_state, LOOP_DEAD);
7208 
7209 			/*
7210 			 * Schedule an ISP abort to return any FCP2-device
7211 			 * commands.
7212 			 */
7213 			/* NPIV - scan physical port only */
7214 			if (!vha->vp_idx) {
7215 				spin_lock_irqsave(&ha->hardware_lock,
7216 				    cpu_flags);
7217 				req = ha->req_q_map[0];
7218 				for (index = 1;
7219 				    index < req->num_outstanding_cmds;
7220 				    index++) {
7221 					fc_port_t *sfcp;
7222 
7223 					sp = req->outstanding_cmds[index];
7224 					if (!sp)
7225 						continue;
7226 					if (sp->cmd_type != TYPE_SRB)
7227 						continue;
7228 					if (sp->type != SRB_SCSI_CMD)
7229 						continue;
7230 					sfcp = sp->fcport;
7231 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7232 						continue;
7233 
7234 					if (IS_QLA82XX(ha))
7235 						set_bit(FCOE_CTX_RESET_NEEDED,
7236 							&vha->dpc_flags);
7237 					else
7238 						set_bit(ISP_ABORT_NEEDED,
7239 							&vha->dpc_flags);
7240 					break;
7241 				}
7242 				spin_unlock_irqrestore(&ha->hardware_lock,
7243 								cpu_flags);
7244 			}
7245 			start_dpc++;
7246 		}
7247 
7248 		/* if the loop has been down for 4 minutes, reinit adapter */
7249 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7250 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
7251 				ql_log(ql_log_warn, vha, 0x6009,
7252 				    "Loop down - aborting ISP.\n");
7253 
7254 				if (IS_QLA82XX(ha))
7255 					set_bit(FCOE_CTX_RESET_NEEDED,
7256 						&vha->dpc_flags);
7257 				else
7258 					set_bit(ISP_ABORT_NEEDED,
7259 						&vha->dpc_flags);
7260 			}
7261 		}
7262 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7263 		    "Loop down - seconds remaining %d.\n",
7264 		    atomic_read(&vha->loop_down_timer));
7265 	}
7266 	/* Check if beacon LED needs to be blinked for physical host only */
7267 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7268 		/* There is no beacon_blink function for ISP82xx */
7269 		if (!IS_P3P_TYPE(ha)) {
7270 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7271 			start_dpc++;
7272 		}
7273 	}
7274 
7275 	/* Process any deferred work. */
7276 	if (!list_empty(&vha->work_list)) {
7277 		unsigned long flags;
7278 		bool q = false;
7279 
7280 		spin_lock_irqsave(&vha->work_lock, flags);
7281 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7282 			q = true;
7283 		spin_unlock_irqrestore(&vha->work_lock, flags);
7284 		if (q)
7285 			queue_work(vha->hw->wq, &vha->iocb_work);
7286 	}
7287 
7288 	/*
7289 	 * FC-NVME
7290 	 * see if the active AEN count has changed from what was last reported.
7291 	 */
7292 	if (!vha->vp_idx &&
7293 	    (atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen) &&
7294 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7295 	    !ha->flags.host_shutting_down) {
7296 		ql_log(ql_log_info, vha, 0x3002,
7297 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7298 		    ha->nvme_last_rptd_aen);
7299 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7300 		set_bit(SET_NVME_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7301 		start_dpc++;
7302 	}
7303 
7304 	if (!vha->vp_idx &&
7305 	    (atomic_read(&ha->zio_threshold) != ha->last_zio_threshold) &&
7306 	    (ha->zio_mode == QLA_ZIO_MODE_6) &&
7307 	    (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
7308 		ql_log(ql_log_info, vha, 0x3002,
7309 		    "Sched: Set ZIO exchange threshold to %d.\n",
7310 		    ha->last_zio_threshold);
7311 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7312 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7313 		start_dpc++;
7314 	}
7315 
7316 	/* Schedule the DPC routine if needed */
7317 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7318 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7319 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7320 	    start_dpc ||
7321 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7322 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7323 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7324 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7325 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7326 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7327 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7328 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7329 		    "isp_abort_needed=%d loop_resync_needed=%d "
7330 		    "fcport_update_needed=%d start_dpc=%d "
7331 		    "reset_marker_needed=%d",
7332 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7333 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7334 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7335 		    start_dpc,
7336 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7337 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7338 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7339 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7340 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7341 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7342 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7343 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7344 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7345 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7346 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7347 		qla2xxx_wake_dpc(vha);
7348 	}
7349 
7350 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7351 }
7352 
7353 /* Firmware interface routines. */
7354 
7355 #define FW_ISP21XX	0
7356 #define FW_ISP22XX	1
7357 #define FW_ISP2300	2
7358 #define FW_ISP2322	3
7359 #define FW_ISP24XX	4
7360 #define FW_ISP25XX	5
7361 #define FW_ISP81XX	6
7362 #define FW_ISP82XX	7
7363 #define FW_ISP2031	8
7364 #define FW_ISP8031	9
7365 #define FW_ISP27XX	10
7366 #define FW_ISP28XX	11
7367 
7368 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7369 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7370 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7371 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7372 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7373 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7374 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7375 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7376 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7377 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7378 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7379 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7380 
7381 
7382 static DEFINE_MUTEX(qla_fw_lock);
7383 
7384 static struct fw_blob qla_fw_blobs[] = {
7385 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7386 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7387 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7388 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7389 	{ .name = FW_FILE_ISP24XX, },
7390 	{ .name = FW_FILE_ISP25XX, },
7391 	{ .name = FW_FILE_ISP81XX, },
7392 	{ .name = FW_FILE_ISP82XX, },
7393 	{ .name = FW_FILE_ISP2031, },
7394 	{ .name = FW_FILE_ISP8031, },
7395 	{ .name = FW_FILE_ISP27XX, },
7396 	{ .name = FW_FILE_ISP28XX, },
7397 	{ .name = NULL, },
7398 };
7399 
7400 struct fw_blob *
7401 qla2x00_request_firmware(scsi_qla_host_t *vha)
7402 {
7403 	struct qla_hw_data *ha = vha->hw;
7404 	struct fw_blob *blob;
7405 
7406 	if (IS_QLA2100(ha)) {
7407 		blob = &qla_fw_blobs[FW_ISP21XX];
7408 	} else if (IS_QLA2200(ha)) {
7409 		blob = &qla_fw_blobs[FW_ISP22XX];
7410 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7411 		blob = &qla_fw_blobs[FW_ISP2300];
7412 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7413 		blob = &qla_fw_blobs[FW_ISP2322];
7414 	} else if (IS_QLA24XX_TYPE(ha)) {
7415 		blob = &qla_fw_blobs[FW_ISP24XX];
7416 	} else if (IS_QLA25XX(ha)) {
7417 		blob = &qla_fw_blobs[FW_ISP25XX];
7418 	} else if (IS_QLA81XX(ha)) {
7419 		blob = &qla_fw_blobs[FW_ISP81XX];
7420 	} else if (IS_QLA82XX(ha)) {
7421 		blob = &qla_fw_blobs[FW_ISP82XX];
7422 	} else if (IS_QLA2031(ha)) {
7423 		blob = &qla_fw_blobs[FW_ISP2031];
7424 	} else if (IS_QLA8031(ha)) {
7425 		blob = &qla_fw_blobs[FW_ISP8031];
7426 	} else if (IS_QLA27XX(ha)) {
7427 		blob = &qla_fw_blobs[FW_ISP27XX];
7428 	} else if (IS_QLA28XX(ha)) {
7429 		blob = &qla_fw_blobs[FW_ISP28XX];
7430 	} else {
7431 		return NULL;
7432 	}
7433 
7434 	if (!blob->name)
7435 		return NULL;
7436 
7437 	mutex_lock(&qla_fw_lock);
7438 	if (blob->fw)
7439 		goto out;
7440 
7441 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7442 		ql_log(ql_log_warn, vha, 0x0063,
7443 		    "Failed to load firmware image (%s).\n", blob->name);
7444 		blob->fw = NULL;
7445 		blob = NULL;
7446 	}
7447 
7448 out:
7449 	mutex_unlock(&qla_fw_lock);
7450 	return blob;
7451 }
7452 
7453 static void
7454 qla2x00_release_firmware(void)
7455 {
7456 	struct fw_blob *blob;
7457 
7458 	mutex_lock(&qla_fw_lock);
7459 	for (blob = qla_fw_blobs; blob->name; blob++)
7460 		release_firmware(blob->fw);
7461 	mutex_unlock(&qla_fw_lock);
7462 }
7463 
7464 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7465 {
7466 	struct qla_hw_data *ha = vha->hw;
7467 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7468 	struct qla_qpair *qpair = NULL;
7469 	struct scsi_qla_host *vp;
7470 	fc_port_t *fcport;
7471 	int i;
7472 	unsigned long flags;
7473 
7474 	ha->chip_reset++;
7475 
7476 	ha->base_qpair->chip_reset = ha->chip_reset;
7477 	for (i = 0; i < ha->max_qpairs; i++) {
7478 		if (ha->queue_pair_map[i])
7479 			ha->queue_pair_map[i]->chip_reset =
7480 			    ha->base_qpair->chip_reset;
7481 	}
7482 
7483 	/* purge MBox commands */
7484 	if (atomic_read(&ha->num_pend_mbx_stage3)) {
7485 		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7486 		complete(&ha->mbx_intr_comp);
7487 	}
7488 
7489 	i = 0;
7490 
7491 	while (atomic_read(&ha->num_pend_mbx_stage3) ||
7492 	    atomic_read(&ha->num_pend_mbx_stage2) ||
7493 	    atomic_read(&ha->num_pend_mbx_stage1)) {
7494 		msleep(20);
7495 		i++;
7496 		if (i > 50)
7497 			break;
7498 	}
7499 
7500 	ha->flags.purge_mbox = 0;
7501 
7502 	mutex_lock(&ha->mq_lock);
7503 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7504 		qpair->online = 0;
7505 	mutex_unlock(&ha->mq_lock);
7506 
7507 	qla2x00_mark_all_devices_lost(vha);
7508 
7509 	spin_lock_irqsave(&ha->vport_slock, flags);
7510 	list_for_each_entry(vp, &ha->vp_list, list) {
7511 		atomic_inc(&vp->vref_count);
7512 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7513 		qla2x00_mark_all_devices_lost(vp);
7514 		spin_lock_irqsave(&ha->vport_slock, flags);
7515 		atomic_dec(&vp->vref_count);
7516 	}
7517 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7518 
7519 	/* Clear all async request states across all VPs. */
7520 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7521 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7522 
7523 	spin_lock_irqsave(&ha->vport_slock, flags);
7524 	list_for_each_entry(vp, &ha->vp_list, list) {
7525 		atomic_inc(&vp->vref_count);
7526 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7527 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7528 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7529 		spin_lock_irqsave(&ha->vport_slock, flags);
7530 		atomic_dec(&vp->vref_count);
7531 	}
7532 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7533 }
7534 
7535 
7536 static pci_ers_result_t
7537 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7538 {
7539 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7540 	struct qla_hw_data *ha = vha->hw;
7541 
7542 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7543 	    "PCI error detected, state %x.\n", state);
7544 
7545 	if (!atomic_read(&pdev->enable_cnt)) {
7546 		ql_log(ql_log_info, vha, 0xffff,
7547 			"PCI device is disabled,state %x\n", state);
7548 		return PCI_ERS_RESULT_NEED_RESET;
7549 	}
7550 
7551 	switch (state) {
7552 	case pci_channel_io_normal:
7553 		ha->flags.eeh_busy = 0;
7554 		if (ql2xmqsupport || ql2xnvmeenable) {
7555 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7556 			qla2xxx_wake_dpc(vha);
7557 		}
7558 		return PCI_ERS_RESULT_CAN_RECOVER;
7559 	case pci_channel_io_frozen:
7560 		ha->flags.eeh_busy = 1;
7561 		qla_pci_error_cleanup(vha);
7562 		return PCI_ERS_RESULT_NEED_RESET;
7563 	case pci_channel_io_perm_failure:
7564 		ha->flags.pci_channel_io_perm_failure = 1;
7565 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7566 		if (ql2xmqsupport || ql2xnvmeenable) {
7567 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7568 			qla2xxx_wake_dpc(vha);
7569 		}
7570 		return PCI_ERS_RESULT_DISCONNECT;
7571 	}
7572 	return PCI_ERS_RESULT_NEED_RESET;
7573 }
7574 
7575 static pci_ers_result_t
7576 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7577 {
7578 	int risc_paused = 0;
7579 	uint32_t stat;
7580 	unsigned long flags;
7581 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7582 	struct qla_hw_data *ha = base_vha->hw;
7583 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7584 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7585 
7586 	if (IS_QLA82XX(ha))
7587 		return PCI_ERS_RESULT_RECOVERED;
7588 
7589 	spin_lock_irqsave(&ha->hardware_lock, flags);
7590 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7591 		stat = rd_reg_word(&reg->hccr);
7592 		if (stat & HCCR_RISC_PAUSE)
7593 			risc_paused = 1;
7594 	} else if (IS_QLA23XX(ha)) {
7595 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7596 		if (stat & HSR_RISC_PAUSED)
7597 			risc_paused = 1;
7598 	} else if (IS_FWI2_CAPABLE(ha)) {
7599 		stat = rd_reg_dword(&reg24->host_status);
7600 		if (stat & HSRX_RISC_PAUSED)
7601 			risc_paused = 1;
7602 	}
7603 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7604 
7605 	if (risc_paused) {
7606 		ql_log(ql_log_info, base_vha, 0x9003,
7607 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7608 		qla2xxx_dump_fw(base_vha);
7609 
7610 		return PCI_ERS_RESULT_NEED_RESET;
7611 	} else
7612 		return PCI_ERS_RESULT_RECOVERED;
7613 }
7614 
7615 static pci_ers_result_t
7616 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7617 {
7618 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7619 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7620 	struct qla_hw_data *ha = base_vha->hw;
7621 	int rc;
7622 	struct qla_qpair *qpair = NULL;
7623 
7624 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
7625 	    "Slot Reset.\n");
7626 
7627 	/* Workaround: qla2xxx driver which access hardware earlier
7628 	 * needs error state to be pci_channel_io_online.
7629 	 * Otherwise mailbox command timesout.
7630 	 */
7631 	pdev->error_state = pci_channel_io_normal;
7632 
7633 	pci_restore_state(pdev);
7634 
7635 	/* pci_restore_state() clears the saved_state flag of the device
7636 	 * save restored state which resets saved_state flag
7637 	 */
7638 	pci_save_state(pdev);
7639 
7640 	if (ha->mem_only)
7641 		rc = pci_enable_device_mem(pdev);
7642 	else
7643 		rc = pci_enable_device(pdev);
7644 
7645 	if (rc) {
7646 		ql_log(ql_log_warn, base_vha, 0x9005,
7647 		    "Can't re-enable PCI device after reset.\n");
7648 		goto exit_slot_reset;
7649 	}
7650 
7651 
7652 	if (ha->isp_ops->pci_config(base_vha))
7653 		goto exit_slot_reset;
7654 
7655 	mutex_lock(&ha->mq_lock);
7656 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7657 		qpair->online = 1;
7658 	mutex_unlock(&ha->mq_lock);
7659 
7660 	base_vha->flags.online = 1;
7661 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7662 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
7663 		ret =  PCI_ERS_RESULT_RECOVERED;
7664 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7665 
7666 
7667 exit_slot_reset:
7668 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7669 	    "slot_reset return %x.\n", ret);
7670 
7671 	return ret;
7672 }
7673 
7674 static void
7675 qla2xxx_pci_resume(struct pci_dev *pdev)
7676 {
7677 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7678 	struct qla_hw_data *ha = base_vha->hw;
7679 	int ret;
7680 
7681 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
7682 	    "pci_resume.\n");
7683 
7684 	ha->flags.eeh_busy = 0;
7685 
7686 	ret = qla2x00_wait_for_hba_online(base_vha);
7687 	if (ret != QLA_SUCCESS) {
7688 		ql_log(ql_log_fatal, base_vha, 0x9002,
7689 		    "The device failed to resume I/O from slot/link_reset.\n");
7690 	}
7691 }
7692 
7693 static void
7694 qla_pci_reset_prepare(struct pci_dev *pdev)
7695 {
7696 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7697 	struct qla_hw_data *ha = base_vha->hw;
7698 	struct qla_qpair *qpair;
7699 
7700 	ql_log(ql_log_warn, base_vha, 0xffff,
7701 	    "%s.\n", __func__);
7702 
7703 	/*
7704 	 * PCI FLR/function reset is about to reset the
7705 	 * slot. Stop the chip to stop all DMA access.
7706 	 * It is assumed that pci_reset_done will be called
7707 	 * after FLR to resume Chip operation.
7708 	 */
7709 	ha->flags.eeh_busy = 1;
7710 	mutex_lock(&ha->mq_lock);
7711 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7712 		qpair->online = 0;
7713 	mutex_unlock(&ha->mq_lock);
7714 
7715 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7716 	qla2x00_abort_isp_cleanup(base_vha);
7717 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7718 }
7719 
7720 static void
7721 qla_pci_reset_done(struct pci_dev *pdev)
7722 {
7723 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7724 	struct qla_hw_data *ha = base_vha->hw;
7725 	struct qla_qpair *qpair;
7726 
7727 	ql_log(ql_log_warn, base_vha, 0xffff,
7728 	    "%s.\n", __func__);
7729 
7730 	/*
7731 	 * FLR just completed by PCI layer. Resume adapter
7732 	 */
7733 	ha->flags.eeh_busy = 0;
7734 	mutex_lock(&ha->mq_lock);
7735 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7736 		qpair->online = 1;
7737 	mutex_unlock(&ha->mq_lock);
7738 
7739 	base_vha->flags.online = 1;
7740 	ha->isp_ops->abort_isp(base_vha);
7741 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7742 }
7743 
7744 static int qla2xxx_map_queues(struct Scsi_Host *shost)
7745 {
7746 	int rc;
7747 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
7748 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
7749 
7750 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
7751 		rc = blk_mq_map_queues(qmap);
7752 	else
7753 		rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
7754 	return rc;
7755 }
7756 
7757 struct scsi_host_template qla2xxx_driver_template = {
7758 	.module			= THIS_MODULE,
7759 	.name			= QLA2XXX_DRIVER_NAME,
7760 	.queuecommand		= qla2xxx_queuecommand,
7761 
7762 	.eh_timed_out		= fc_eh_timed_out,
7763 	.eh_abort_handler	= qla2xxx_eh_abort,
7764 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
7765 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
7766 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
7767 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
7768 
7769 	.slave_configure	= qla2xxx_slave_configure,
7770 
7771 	.slave_alloc		= qla2xxx_slave_alloc,
7772 	.slave_destroy		= qla2xxx_slave_destroy,
7773 	.scan_finished		= qla2xxx_scan_finished,
7774 	.scan_start		= qla2xxx_scan_start,
7775 	.change_queue_depth	= scsi_change_queue_depth,
7776 	.map_queues             = qla2xxx_map_queues,
7777 	.this_id		= -1,
7778 	.cmd_per_lun		= 3,
7779 	.sg_tablesize		= SG_ALL,
7780 
7781 	.max_sectors		= 0xFFFF,
7782 	.shost_attrs		= qla2x00_host_attrs,
7783 
7784 	.supported_mode		= MODE_INITIATOR,
7785 	.track_queue_depth	= 1,
7786 	.cmd_size		= sizeof(srb_t),
7787 };
7788 
7789 static const struct pci_error_handlers qla2xxx_err_handler = {
7790 	.error_detected = qla2xxx_pci_error_detected,
7791 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
7792 	.slot_reset = qla2xxx_pci_slot_reset,
7793 	.resume = qla2xxx_pci_resume,
7794 	.reset_prepare = qla_pci_reset_prepare,
7795 	.reset_done = qla_pci_reset_done,
7796 };
7797 
7798 static struct pci_device_id qla2xxx_pci_tbl[] = {
7799 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
7800 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
7801 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
7802 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
7803 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
7804 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
7805 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
7806 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
7807 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
7808 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
7809 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
7810 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
7811 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
7812 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
7813 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
7814 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
7815 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
7816 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
7817 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
7818 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
7819 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
7820 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
7821 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
7822 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
7823 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
7824 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
7825 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
7826 	{ 0 },
7827 };
7828 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
7829 
7830 static struct pci_driver qla2xxx_pci_driver = {
7831 	.name		= QLA2XXX_DRIVER_NAME,
7832 	.driver		= {
7833 		.owner		= THIS_MODULE,
7834 	},
7835 	.id_table	= qla2xxx_pci_tbl,
7836 	.probe		= qla2x00_probe_one,
7837 	.remove		= qla2x00_remove_one,
7838 	.shutdown	= qla2x00_shutdown,
7839 	.err_handler	= &qla2xxx_err_handler,
7840 };
7841 
7842 static const struct file_operations apidev_fops = {
7843 	.owner = THIS_MODULE,
7844 	.llseek = noop_llseek,
7845 };
7846 
7847 /**
7848  * qla2x00_module_init - Module initialization.
7849  **/
7850 static int __init
7851 qla2x00_module_init(void)
7852 {
7853 	int ret = 0;
7854 
7855 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
7856 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
7857 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
7858 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
7859 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
7860 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
7861 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
7862 	BUILD_BUG_ON(sizeof(request_t) != 64);
7863 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
7864 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
7865 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
7866 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
7867 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
7868 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
7869 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
7870 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
7871 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
7872 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
7873 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
7874 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
7875 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2344);
7876 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
7877 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
7878 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
7879 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
7880 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
7881 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
7882 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
7883 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
7884 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
7885 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
7886 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
7887 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
7888 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
7889 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
7890 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
7891 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
7892 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
7893 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
7894 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
7895 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
7896 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
7897 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
7898 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
7899 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
7900 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
7901 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
7902 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
7903 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
7904 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
7905 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
7906 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
7907 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
7908 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
7909 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
7910 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
7911 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
7912 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
7913 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
7914 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
7915 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
7916 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
7917 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
7918 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
7919 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
7920 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
7921 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
7922 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
7923 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
7924 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
7925 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
7926 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
7927 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
7928 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
7929 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
7930 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
7931 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
7932 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
7933 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
7934 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
7935 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
7936 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
7937 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
7938 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
7939 
7940 	/* Allocate cache for SRBs. */
7941 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7942 	    SLAB_HWCACHE_ALIGN, NULL);
7943 	if (srb_cachep == NULL) {
7944 		ql_log(ql_log_fatal, NULL, 0x0001,
7945 		    "Unable to allocate SRB cache...Failing load!.\n");
7946 		return -ENOMEM;
7947 	}
7948 
7949 	/* Initialize target kmem_cache and mem_pools */
7950 	ret = qlt_init();
7951 	if (ret < 0) {
7952 		goto destroy_cache;
7953 	} else if (ret > 0) {
7954 		/*
7955 		 * If initiator mode is explictly disabled by qlt_init(),
7956 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7957 		 * performing scsi_scan_target() during LOOP UP event.
7958 		 */
7959 		qla2xxx_transport_functions.disable_target_scan = 1;
7960 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
7961 	}
7962 
7963 	/* Derive version string. */
7964 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7965 	if (ql2xextended_error_logging)
7966 		strcat(qla2x00_version_str, "-debug");
7967 	if (ql2xextended_error_logging == 1)
7968 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7969 
7970 	if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7971 		qla_insert_tgt_attrs();
7972 
7973 	qla2xxx_transport_template =
7974 	    fc_attach_transport(&qla2xxx_transport_functions);
7975 	if (!qla2xxx_transport_template) {
7976 		ql_log(ql_log_fatal, NULL, 0x0002,
7977 		    "fc_attach_transport failed...Failing load!.\n");
7978 		ret = -ENODEV;
7979 		goto qlt_exit;
7980 	}
7981 
7982 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7983 	if (apidev_major < 0) {
7984 		ql_log(ql_log_fatal, NULL, 0x0003,
7985 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7986 	}
7987 
7988 	qla2xxx_transport_vport_template =
7989 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
7990 	if (!qla2xxx_transport_vport_template) {
7991 		ql_log(ql_log_fatal, NULL, 0x0004,
7992 		    "fc_attach_transport vport failed...Failing load!.\n");
7993 		ret = -ENODEV;
7994 		goto unreg_chrdev;
7995 	}
7996 	ql_log(ql_log_info, NULL, 0x0005,
7997 	    "QLogic Fibre Channel HBA Driver: %s.\n",
7998 	    qla2x00_version_str);
7999 	ret = pci_register_driver(&qla2xxx_pci_driver);
8000 	if (ret) {
8001 		ql_log(ql_log_fatal, NULL, 0x0006,
8002 		    "pci_register_driver failed...ret=%d Failing load!.\n",
8003 		    ret);
8004 		goto release_vport_transport;
8005 	}
8006 	return ret;
8007 
8008 release_vport_transport:
8009 	fc_release_transport(qla2xxx_transport_vport_template);
8010 
8011 unreg_chrdev:
8012 	if (apidev_major >= 0)
8013 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8014 	fc_release_transport(qla2xxx_transport_template);
8015 
8016 qlt_exit:
8017 	qlt_exit();
8018 
8019 destroy_cache:
8020 	kmem_cache_destroy(srb_cachep);
8021 	return ret;
8022 }
8023 
8024 /**
8025  * qla2x00_module_exit - Module cleanup.
8026  **/
8027 static void __exit
8028 qla2x00_module_exit(void)
8029 {
8030 	pci_unregister_driver(&qla2xxx_pci_driver);
8031 	qla2x00_release_firmware();
8032 	kmem_cache_destroy(ctx_cachep);
8033 	fc_release_transport(qla2xxx_transport_vport_template);
8034 	if (apidev_major >= 0)
8035 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8036 	fc_release_transport(qla2xxx_transport_template);
8037 	qlt_exit();
8038 	kmem_cache_destroy(srb_cachep);
8039 }
8040 
8041 module_init(qla2x00_module_init);
8042 module_exit(qla2x00_module_exit);
8043 
8044 MODULE_AUTHOR("QLogic Corporation");
8045 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8046 MODULE_LICENSE("GPL");
8047 MODULE_VERSION(QLA2XXX_VERSION);
8048 MODULE_FIRMWARE(FW_FILE_ISP21XX);
8049 MODULE_FIRMWARE(FW_FILE_ISP22XX);
8050 MODULE_FIRMWARE(FW_FILE_ISP2300);
8051 MODULE_FIRMWARE(FW_FILE_ISP2322);
8052 MODULE_FIRMWARE(FW_FILE_ISP24XX);
8053 MODULE_FIRMWARE(FW_FILE_ISP25XX);
8054