xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision e1e38ea1)
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 <scsi/scsi_tcq.h>
18 #include <scsi/scsicam.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_fc.h>
21 
22 #include "qla_target.h"
23 
24 /*
25  * Driver version
26  */
27 char qla2x00_version_str[40];
28 
29 static int apidev_major;
30 
31 /*
32  * SRB allocation cache
33  */
34 struct kmem_cache *srb_cachep;
35 
36 /*
37  * CT6 CTX allocation cache
38  */
39 static struct kmem_cache *ctx_cachep;
40 /*
41  * error level for logging
42  */
43 int ql_errlev = ql_log_all;
44 
45 static int ql2xenableclass2;
46 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
47 MODULE_PARM_DESC(ql2xenableclass2,
48 		"Specify if Class 2 operations are supported from the very "
49 		"beginning. Default is 0 - class 2 not supported.");
50 
51 
52 int ql2xlogintimeout = 20;
53 module_param(ql2xlogintimeout, int, S_IRUGO);
54 MODULE_PARM_DESC(ql2xlogintimeout,
55 		"Login timeout value in seconds.");
56 
57 int qlport_down_retry;
58 module_param(qlport_down_retry, int, S_IRUGO);
59 MODULE_PARM_DESC(qlport_down_retry,
60 		"Maximum number of command retries to a port that returns "
61 		"a PORT-DOWN status.");
62 
63 int ql2xplogiabsentdevice;
64 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
65 MODULE_PARM_DESC(ql2xplogiabsentdevice,
66 		"Option to enable PLOGI to devices that are not present after "
67 		"a Fabric scan.  This is needed for several broken switches. "
68 		"Default is 0 - no PLOGI. 1 - perfom PLOGI.");
69 
70 int ql2xloginretrycount = 0;
71 module_param(ql2xloginretrycount, int, S_IRUGO);
72 MODULE_PARM_DESC(ql2xloginretrycount,
73 		"Specify an alternate value for the NVRAM login retry count.");
74 
75 int ql2xallocfwdump = 1;
76 module_param(ql2xallocfwdump, int, S_IRUGO);
77 MODULE_PARM_DESC(ql2xallocfwdump,
78 		"Option to enable allocation of memory for a firmware dump "
79 		"during HBA initialization.  Memory allocation requirements "
80 		"vary by ISP type.  Default is 1 - allocate memory.");
81 
82 int ql2xextended_error_logging;
83 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
84 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
85 MODULE_PARM_DESC(ql2xextended_error_logging,
86 		"Option to enable extended error logging,\n"
87 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
88 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
89 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
90 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
91 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
92 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
93 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
94 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
95 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
96 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
97 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
98 		"\t\t0x1e400000 - Preferred value for capturing essential "
99 		"debug information (equivalent to old "
100 		"ql2xextended_error_logging=1).\n"
101 		"\t\tDo LOGICAL OR of the value to enable more than one level");
102 
103 int ql2xshiftctondsd = 6;
104 module_param(ql2xshiftctondsd, int, S_IRUGO);
105 MODULE_PARM_DESC(ql2xshiftctondsd,
106 		"Set to control shifting of command type processing "
107 		"based on total number of SG elements.");
108 
109 int ql2xfdmienable=1;
110 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
111 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
112 MODULE_PARM_DESC(ql2xfdmienable,
113 		"Enables FDMI registrations. "
114 		"0 - no FDMI. Default is 1 - perform FDMI.");
115 
116 #define MAX_Q_DEPTH	64
117 static int ql2xmaxqdepth = MAX_Q_DEPTH;
118 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
119 MODULE_PARM_DESC(ql2xmaxqdepth,
120 		"Maximum queue depth to set for each LUN. "
121 		"Default is 64.");
122 
123 #if (IS_ENABLED(CONFIG_NVME_FC))
124 int ql2xenabledif;
125 #else
126 int ql2xenabledif = 2;
127 #endif
128 module_param(ql2xenabledif, int, S_IRUGO);
129 MODULE_PARM_DESC(ql2xenabledif,
130 		" Enable T10-CRC-DIF:\n"
131 		" Default is 2.\n"
132 		"  0 -- No DIF Support\n"
133 		"  1 -- Enable DIF for all types\n"
134 		"  2 -- Enable DIF for all types, except Type 0.\n");
135 
136 #if (IS_ENABLED(CONFIG_NVME_FC))
137 int ql2xnvmeenable = 1;
138 #else
139 int ql2xnvmeenable;
140 #endif
141 module_param(ql2xnvmeenable, int, 0644);
142 MODULE_PARM_DESC(ql2xnvmeenable,
143     "Enables NVME support. "
144     "0 - no NVMe.  Default is Y");
145 
146 int ql2xenablehba_err_chk = 2;
147 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
148 MODULE_PARM_DESC(ql2xenablehba_err_chk,
149 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
150 		" Default is 2.\n"
151 		"  0 -- Error isolation disabled\n"
152 		"  1 -- Error isolation enabled only for DIX Type 0\n"
153 		"  2 -- Error isolation enabled for all Types\n");
154 
155 int ql2xiidmaenable=1;
156 module_param(ql2xiidmaenable, int, S_IRUGO);
157 MODULE_PARM_DESC(ql2xiidmaenable,
158 		"Enables iIDMA settings "
159 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
160 
161 int ql2xmqsupport = 1;
162 module_param(ql2xmqsupport, int, S_IRUGO);
163 MODULE_PARM_DESC(ql2xmqsupport,
164 		"Enable on demand multiple queue pairs support "
165 		"Default is 1 for supported. "
166 		"Set it to 0 to turn off mq qpair support.");
167 
168 int ql2xfwloadbin;
169 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
170 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
171 MODULE_PARM_DESC(ql2xfwloadbin,
172 		"Option to specify location from which to load ISP firmware:.\n"
173 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
174 		"      interface.\n"
175 		" 1 -- load firmware from flash.\n"
176 		" 0 -- use default semantics.\n");
177 
178 int ql2xetsenable;
179 module_param(ql2xetsenable, int, S_IRUGO);
180 MODULE_PARM_DESC(ql2xetsenable,
181 		"Enables firmware ETS burst."
182 		"Default is 0 - skip ETS enablement.");
183 
184 int ql2xdbwr = 1;
185 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
186 MODULE_PARM_DESC(ql2xdbwr,
187 		"Option to specify scheme for request queue posting.\n"
188 		" 0 -- Regular doorbell.\n"
189 		" 1 -- CAMRAM doorbell (faster).\n");
190 
191 int ql2xtargetreset = 1;
192 module_param(ql2xtargetreset, int, S_IRUGO);
193 MODULE_PARM_DESC(ql2xtargetreset,
194 		 "Enable target reset."
195 		 "Default is 1 - use hw defaults.");
196 
197 int ql2xgffidenable;
198 module_param(ql2xgffidenable, int, S_IRUGO);
199 MODULE_PARM_DESC(ql2xgffidenable,
200 		"Enables GFF_ID checks of port type. "
201 		"Default is 0 - Do not use GFF_ID information.");
202 
203 int ql2xasynctmfenable = 1;
204 module_param(ql2xasynctmfenable, int, S_IRUGO);
205 MODULE_PARM_DESC(ql2xasynctmfenable,
206 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
207 		"Default is 0 - Issue TM IOCBs via mailbox mechanism.");
208 
209 int ql2xdontresethba;
210 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
211 MODULE_PARM_DESC(ql2xdontresethba,
212 		"Option to specify reset behaviour.\n"
213 		" 0 (Default) -- Reset on failure.\n"
214 		" 1 -- Do not reset on failure.\n");
215 
216 uint64_t ql2xmaxlun = MAX_LUNS;
217 module_param(ql2xmaxlun, ullong, S_IRUGO);
218 MODULE_PARM_DESC(ql2xmaxlun,
219 		"Defines the maximum LU number to register with the SCSI "
220 		"midlayer. Default is 65535.");
221 
222 int ql2xmdcapmask = 0x1F;
223 module_param(ql2xmdcapmask, int, S_IRUGO);
224 MODULE_PARM_DESC(ql2xmdcapmask,
225 		"Set the Minidump driver capture mask level. "
226 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
227 
228 int ql2xmdenable = 1;
229 module_param(ql2xmdenable, int, S_IRUGO);
230 MODULE_PARM_DESC(ql2xmdenable,
231 		"Enable/disable MiniDump. "
232 		"0 - MiniDump disabled. "
233 		"1 (Default) - MiniDump enabled.");
234 
235 int ql2xexlogins = 0;
236 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
237 MODULE_PARM_DESC(ql2xexlogins,
238 		 "Number of extended Logins. "
239 		 "0 (Default)- Disabled.");
240 
241 int ql2xexchoffld = 1024;
242 module_param(ql2xexchoffld, uint, 0644);
243 MODULE_PARM_DESC(ql2xexchoffld,
244 	"Number of target exchanges.");
245 
246 int ql2xiniexchg = 1024;
247 module_param(ql2xiniexchg, uint, 0644);
248 MODULE_PARM_DESC(ql2xiniexchg,
249 	"Number of initiator exchanges.");
250 
251 int ql2xfwholdabts = 0;
252 module_param(ql2xfwholdabts, int, S_IRUGO);
253 MODULE_PARM_DESC(ql2xfwholdabts,
254 		"Allow FW to hold status IOCB until ABTS rsp received. "
255 		"0 (Default) Do not set fw option. "
256 		"1 - Set fw option to hold ABTS.");
257 
258 int ql2xmvasynctoatio = 1;
259 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
260 MODULE_PARM_DESC(ql2xmvasynctoatio,
261 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
262 		"0 (Default). Do not move IOCBs"
263 		"1 - Move IOCBs.");
264 
265 int ql2xautodetectsfp = 1;
266 module_param(ql2xautodetectsfp, int, 0444);
267 MODULE_PARM_DESC(ql2xautodetectsfp,
268 		 "Detect SFP range and set appropriate distance.\n"
269 		 "1 (Default): Enable\n");
270 
271 int ql2xenablemsix = 1;
272 module_param(ql2xenablemsix, int, 0444);
273 MODULE_PARM_DESC(ql2xenablemsix,
274 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
275 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
276 		 " 0 -- enable traditional pin-based mechanism.\n"
277 		 " 1 -- enable MSI-X interrupt mechanism.\n"
278 		 " 2 -- enable MSI interrupt mechanism.\n");
279 
280 int qla2xuseresexchforels;
281 module_param(qla2xuseresexchforels, int, 0444);
282 MODULE_PARM_DESC(qla2xuseresexchforels,
283 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
284 		 " 0 (default): disabled");
285 
286 /*
287  * SCSI host template entry points
288  */
289 static int qla2xxx_slave_configure(struct scsi_device * device);
290 static int qla2xxx_slave_alloc(struct scsi_device *);
291 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
292 static void qla2xxx_scan_start(struct Scsi_Host *);
293 static void qla2xxx_slave_destroy(struct scsi_device *);
294 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
295 static int qla2xxx_eh_abort(struct scsi_cmnd *);
296 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
297 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
298 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
299 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
300 
301 static void qla2x00_clear_drv_active(struct qla_hw_data *);
302 static void qla2x00_free_device(scsi_qla_host_t *);
303 static int qla2xxx_map_queues(struct Scsi_Host *shost);
304 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
305 
306 
307 struct scsi_host_template qla2xxx_driver_template = {
308 	.module			= THIS_MODULE,
309 	.name			= QLA2XXX_DRIVER_NAME,
310 	.queuecommand		= qla2xxx_queuecommand,
311 
312 	.eh_timed_out		= fc_eh_timed_out,
313 	.eh_abort_handler	= qla2xxx_eh_abort,
314 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
315 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
316 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
317 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
318 
319 	.slave_configure	= qla2xxx_slave_configure,
320 
321 	.slave_alloc		= qla2xxx_slave_alloc,
322 	.slave_destroy		= qla2xxx_slave_destroy,
323 	.scan_finished		= qla2xxx_scan_finished,
324 	.scan_start		= qla2xxx_scan_start,
325 	.change_queue_depth	= scsi_change_queue_depth,
326 	.map_queues             = qla2xxx_map_queues,
327 	.this_id		= -1,
328 	.cmd_per_lun		= 3,
329 	.use_clustering		= ENABLE_CLUSTERING,
330 	.sg_tablesize		= SG_ALL,
331 
332 	.max_sectors		= 0xFFFF,
333 	.shost_attrs		= qla2x00_host_attrs,
334 
335 	.supported_mode		= MODE_INITIATOR,
336 	.track_queue_depth	= 1,
337 };
338 
339 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
340 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
341 
342 /* TODO Convert to inlines
343  *
344  * Timer routines
345  */
346 
347 __inline__ void
348 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
349 {
350 	timer_setup(&vha->timer, qla2x00_timer, 0);
351 	vha->timer.expires = jiffies + interval * HZ;
352 	add_timer(&vha->timer);
353 	vha->timer_active = 1;
354 }
355 
356 static inline void
357 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
358 {
359 	/* Currently used for 82XX only. */
360 	if (vha->device_flags & DFLG_DEV_FAILED) {
361 		ql_dbg(ql_dbg_timer, vha, 0x600d,
362 		    "Device in a failed state, returning.\n");
363 		return;
364 	}
365 
366 	mod_timer(&vha->timer, jiffies + interval * HZ);
367 }
368 
369 static __inline__ void
370 qla2x00_stop_timer(scsi_qla_host_t *vha)
371 {
372 	del_timer_sync(&vha->timer);
373 	vha->timer_active = 0;
374 }
375 
376 static int qla2x00_do_dpc(void *data);
377 
378 static void qla2x00_rst_aen(scsi_qla_host_t *);
379 
380 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
381 	struct req_que **, struct rsp_que **);
382 static void qla2x00_free_fw_dump(struct qla_hw_data *);
383 static void qla2x00_mem_free(struct qla_hw_data *);
384 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
385 	struct qla_qpair *qpair);
386 
387 /* -------------------------------------------------------------------------- */
388 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
389     struct rsp_que *rsp)
390 {
391 	struct qla_hw_data *ha = vha->hw;
392 	rsp->qpair = ha->base_qpair;
393 	rsp->req = req;
394 	ha->base_qpair->req = req;
395 	ha->base_qpair->rsp = rsp;
396 	ha->base_qpair->vha = vha;
397 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
398 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
399 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
400 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
401 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
402 	/* init qpair to this cpu. Will adjust at run time. */
403 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
404 	ha->base_qpair->pdev = ha->pdev;
405 
406 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
407 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
408 }
409 
410 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
411 				struct rsp_que *rsp)
412 {
413 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
414 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
415 				GFP_KERNEL);
416 	if (!ha->req_q_map) {
417 		ql_log(ql_log_fatal, vha, 0x003b,
418 		    "Unable to allocate memory for request queue ptrs.\n");
419 		goto fail_req_map;
420 	}
421 
422 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
423 				GFP_KERNEL);
424 	if (!ha->rsp_q_map) {
425 		ql_log(ql_log_fatal, vha, 0x003c,
426 		    "Unable to allocate memory for response queue ptrs.\n");
427 		goto fail_rsp_map;
428 	}
429 
430 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
431 	if (ha->base_qpair == NULL) {
432 		ql_log(ql_log_warn, vha, 0x00e0,
433 		    "Failed to allocate base queue pair memory.\n");
434 		goto fail_base_qpair;
435 	}
436 
437 	qla_init_base_qpair(vha, req, rsp);
438 
439 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
440 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
441 			GFP_KERNEL);
442 		if (!ha->queue_pair_map) {
443 			ql_log(ql_log_fatal, vha, 0x0180,
444 			    "Unable to allocate memory for queue pair ptrs.\n");
445 			goto fail_qpair_map;
446 		}
447 	}
448 
449 	/*
450 	 * Make sure we record at least the request and response queue zero in
451 	 * case we need to free them if part of the probe fails.
452 	 */
453 	ha->rsp_q_map[0] = rsp;
454 	ha->req_q_map[0] = req;
455 	set_bit(0, ha->rsp_qid_map);
456 	set_bit(0, ha->req_qid_map);
457 	return 0;
458 
459 fail_qpair_map:
460 	kfree(ha->base_qpair);
461 	ha->base_qpair = NULL;
462 fail_base_qpair:
463 	kfree(ha->rsp_q_map);
464 	ha->rsp_q_map = NULL;
465 fail_rsp_map:
466 	kfree(ha->req_q_map);
467 	ha->req_q_map = NULL;
468 fail_req_map:
469 	return -ENOMEM;
470 }
471 
472 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
473 {
474 	if (IS_QLAFX00(ha)) {
475 		if (req && req->ring_fx00)
476 			dma_free_coherent(&ha->pdev->dev,
477 			    (req->length_fx00 + 1) * sizeof(request_t),
478 			    req->ring_fx00, req->dma_fx00);
479 	} else if (req && req->ring)
480 		dma_free_coherent(&ha->pdev->dev,
481 		(req->length + 1) * sizeof(request_t),
482 		req->ring, req->dma);
483 
484 	if (req)
485 		kfree(req->outstanding_cmds);
486 
487 	kfree(req);
488 }
489 
490 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
491 {
492 	if (IS_QLAFX00(ha)) {
493 		if (rsp && rsp->ring_fx00)
494 			dma_free_coherent(&ha->pdev->dev,
495 			    (rsp->length_fx00 + 1) * sizeof(request_t),
496 			    rsp->ring_fx00, rsp->dma_fx00);
497 	} else if (rsp && rsp->ring) {
498 		dma_free_coherent(&ha->pdev->dev,
499 		(rsp->length + 1) * sizeof(response_t),
500 		rsp->ring, rsp->dma);
501 	}
502 	kfree(rsp);
503 }
504 
505 static void qla2x00_free_queues(struct qla_hw_data *ha)
506 {
507 	struct req_que *req;
508 	struct rsp_que *rsp;
509 	int cnt;
510 	unsigned long flags;
511 
512 	if (ha->queue_pair_map) {
513 		kfree(ha->queue_pair_map);
514 		ha->queue_pair_map = NULL;
515 	}
516 	if (ha->base_qpair) {
517 		kfree(ha->base_qpair);
518 		ha->base_qpair = NULL;
519 	}
520 
521 	spin_lock_irqsave(&ha->hardware_lock, flags);
522 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
523 		if (!test_bit(cnt, ha->req_qid_map))
524 			continue;
525 
526 		req = ha->req_q_map[cnt];
527 		clear_bit(cnt, ha->req_qid_map);
528 		ha->req_q_map[cnt] = NULL;
529 
530 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
531 		qla2x00_free_req_que(ha, req);
532 		spin_lock_irqsave(&ha->hardware_lock, flags);
533 	}
534 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
535 
536 	kfree(ha->req_q_map);
537 	ha->req_q_map = NULL;
538 
539 
540 	spin_lock_irqsave(&ha->hardware_lock, flags);
541 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
542 		if (!test_bit(cnt, ha->rsp_qid_map))
543 			continue;
544 
545 		rsp = ha->rsp_q_map[cnt];
546 		clear_bit(cnt, ha->rsp_qid_map);
547 		ha->rsp_q_map[cnt] =  NULL;
548 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
549 		qla2x00_free_rsp_que(ha, rsp);
550 		spin_lock_irqsave(&ha->hardware_lock, flags);
551 	}
552 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
553 
554 	kfree(ha->rsp_q_map);
555 	ha->rsp_q_map = NULL;
556 }
557 
558 static char *
559 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
560 {
561 	struct qla_hw_data *ha = vha->hw;
562 	static char *pci_bus_modes[] = {
563 		"33", "66", "100", "133",
564 	};
565 	uint16_t pci_bus;
566 
567 	strcpy(str, "PCI");
568 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
569 	if (pci_bus) {
570 		strcat(str, "-X (");
571 		strcat(str, pci_bus_modes[pci_bus]);
572 	} else {
573 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
574 		strcat(str, " (");
575 		strcat(str, pci_bus_modes[pci_bus]);
576 	}
577 	strcat(str, " MHz)");
578 
579 	return (str);
580 }
581 
582 static char *
583 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
584 {
585 	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
586 	struct qla_hw_data *ha = vha->hw;
587 	uint32_t pci_bus;
588 
589 	if (pci_is_pcie(ha->pdev)) {
590 		char lwstr[6];
591 		uint32_t lstat, lspeed, lwidth;
592 
593 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
594 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
595 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
596 
597 		strcpy(str, "PCIe (");
598 		switch (lspeed) {
599 		case 1:
600 			strcat(str, "2.5GT/s ");
601 			break;
602 		case 2:
603 			strcat(str, "5.0GT/s ");
604 			break;
605 		case 3:
606 			strcat(str, "8.0GT/s ");
607 			break;
608 		default:
609 			strcat(str, "<unknown> ");
610 			break;
611 		}
612 		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
613 		strcat(str, lwstr);
614 
615 		return str;
616 	}
617 
618 	strcpy(str, "PCI");
619 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
620 	if (pci_bus == 0 || pci_bus == 8) {
621 		strcat(str, " (");
622 		strcat(str, pci_bus_modes[pci_bus >> 3]);
623 	} else {
624 		strcat(str, "-X ");
625 		if (pci_bus & BIT_2)
626 			strcat(str, "Mode 2");
627 		else
628 			strcat(str, "Mode 1");
629 		strcat(str, " (");
630 		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
631 	}
632 	strcat(str, " MHz)");
633 
634 	return str;
635 }
636 
637 static char *
638 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
639 {
640 	char un_str[10];
641 	struct qla_hw_data *ha = vha->hw;
642 
643 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
644 	    ha->fw_minor_version, ha->fw_subminor_version);
645 
646 	if (ha->fw_attributes & BIT_9) {
647 		strcat(str, "FLX");
648 		return (str);
649 	}
650 
651 	switch (ha->fw_attributes & 0xFF) {
652 	case 0x7:
653 		strcat(str, "EF");
654 		break;
655 	case 0x17:
656 		strcat(str, "TP");
657 		break;
658 	case 0x37:
659 		strcat(str, "IP");
660 		break;
661 	case 0x77:
662 		strcat(str, "VI");
663 		break;
664 	default:
665 		sprintf(un_str, "(%x)", ha->fw_attributes);
666 		strcat(str, un_str);
667 		break;
668 	}
669 	if (ha->fw_attributes & 0x100)
670 		strcat(str, "X");
671 
672 	return (str);
673 }
674 
675 static char *
676 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
677 {
678 	struct qla_hw_data *ha = vha->hw;
679 
680 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
681 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
682 	return str;
683 }
684 
685 void
686 qla2x00_sp_free_dma(void *ptr)
687 {
688 	srb_t *sp = ptr;
689 	struct qla_hw_data *ha = sp->vha->hw;
690 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
691 	void *ctx = GET_CMD_CTX_SP(sp);
692 
693 	if (sp->flags & SRB_DMA_VALID) {
694 		scsi_dma_unmap(cmd);
695 		sp->flags &= ~SRB_DMA_VALID;
696 	}
697 
698 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
699 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
700 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
701 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
702 	}
703 
704 	if (!ctx)
705 		goto end;
706 
707 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
708 		/* List assured to be having elements */
709 		qla2x00_clean_dsd_pool(ha, ctx);
710 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
711 	}
712 
713 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
714 		struct crc_context *ctx0 = ctx;
715 
716 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
717 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
718 	}
719 
720 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
721 		struct ct6_dsd *ctx1 = ctx;
722 
723 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
724 		    ctx1->fcp_cmnd_dma);
725 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
726 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
727 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
728 		mempool_free(ctx1, ha->ctx_mempool);
729 	}
730 
731 end:
732 	if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
733 		CMD_SP(cmd) = NULL;
734 		qla2x00_rel_sp(sp);
735 	}
736 }
737 
738 void
739 qla2x00_sp_compl(void *ptr, int res)
740 {
741 	srb_t *sp = ptr;
742 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
743 
744 	cmd->result = res;
745 
746 	if (atomic_read(&sp->ref_count) == 0) {
747 		ql_dbg(ql_dbg_io, sp->vha, 0x3015,
748 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
749 		    sp, GET_CMD_SP(sp));
750 		if (ql2xextended_error_logging & ql_dbg_io)
751 			WARN_ON(atomic_read(&sp->ref_count) == 0);
752 		return;
753 	}
754 	if (!atomic_dec_and_test(&sp->ref_count))
755 		return;
756 
757 	sp->free(sp);
758 	cmd->scsi_done(cmd);
759 }
760 
761 void
762 qla2xxx_qpair_sp_free_dma(void *ptr)
763 {
764 	srb_t *sp = (srb_t *)ptr;
765 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
766 	struct qla_hw_data *ha = sp->fcport->vha->hw;
767 	void *ctx = GET_CMD_CTX_SP(sp);
768 
769 	if (sp->flags & SRB_DMA_VALID) {
770 		scsi_dma_unmap(cmd);
771 		sp->flags &= ~SRB_DMA_VALID;
772 	}
773 
774 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
775 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
776 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
777 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
778 	}
779 
780 	if (!ctx)
781 		goto end;
782 
783 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
784 		/* List assured to be having elements */
785 		qla2x00_clean_dsd_pool(ha, ctx);
786 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
787 	}
788 
789 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
790 		struct crc_context *ctx0 = ctx;
791 
792 		dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
793 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
794 	}
795 
796 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
797 		struct ct6_dsd *ctx1 = ctx;
798 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
799 		    ctx1->fcp_cmnd_dma);
800 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
801 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
802 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
803 		mempool_free(ctx1, ha->ctx_mempool);
804 	}
805 end:
806 	CMD_SP(cmd) = NULL;
807 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
808 }
809 
810 void
811 qla2xxx_qpair_sp_compl(void *ptr, int res)
812 {
813 	srb_t *sp = ptr;
814 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
815 
816 	cmd->result = res;
817 
818 	if (atomic_read(&sp->ref_count) == 0) {
819 		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
820 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
821 		    sp, GET_CMD_SP(sp));
822 		if (ql2xextended_error_logging & ql_dbg_io)
823 			WARN_ON(atomic_read(&sp->ref_count) == 0);
824 		return;
825 	}
826 	if (!atomic_dec_and_test(&sp->ref_count))
827 		return;
828 
829 	sp->free(sp);
830 	cmd->scsi_done(cmd);
831 }
832 
833 /* If we are SP1 here, we need to still take and release the host_lock as SP1
834  * does not have the changes necessary to avoid taking host->host_lock.
835  */
836 static int
837 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
838 {
839 	scsi_qla_host_t *vha = shost_priv(host);
840 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
841 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
842 	struct qla_hw_data *ha = vha->hw;
843 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
844 	srb_t *sp;
845 	int rval;
846 	struct qla_qpair *qpair = NULL;
847 	uint32_t tag;
848 	uint16_t hwq;
849 
850 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
851 		cmd->result = DID_NO_CONNECT << 16;
852 		goto qc24_fail_command;
853 	}
854 
855 	if (ha->mqenable) {
856 		if (shost_use_blk_mq(vha->host)) {
857 			tag = blk_mq_unique_tag(cmd->request);
858 			hwq = blk_mq_unique_tag_to_hwq(tag);
859 			qpair = ha->queue_pair_map[hwq];
860 		} else if (vha->vp_idx && vha->qpair) {
861 			qpair = vha->qpair;
862 		}
863 
864 		if (qpair)
865 			return qla2xxx_mqueuecommand(host, cmd, qpair);
866 	}
867 
868 	if (ha->flags.eeh_busy) {
869 		if (ha->flags.pci_channel_io_perm_failure) {
870 			ql_dbg(ql_dbg_aer, vha, 0x9010,
871 			    "PCI Channel IO permanent failure, exiting "
872 			    "cmd=%p.\n", cmd);
873 			cmd->result = DID_NO_CONNECT << 16;
874 		} else {
875 			ql_dbg(ql_dbg_aer, vha, 0x9011,
876 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
877 			cmd->result = DID_REQUEUE << 16;
878 		}
879 		goto qc24_fail_command;
880 	}
881 
882 	rval = fc_remote_port_chkready(rport);
883 	if (rval) {
884 		cmd->result = rval;
885 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
886 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
887 		    cmd, rval);
888 		goto qc24_fail_command;
889 	}
890 
891 	if (!vha->flags.difdix_supported &&
892 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
893 			ql_dbg(ql_dbg_io, vha, 0x3004,
894 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
895 			    cmd);
896 			cmd->result = DID_NO_CONNECT << 16;
897 			goto qc24_fail_command;
898 	}
899 
900 	if (!fcport) {
901 		cmd->result = DID_NO_CONNECT << 16;
902 		goto qc24_fail_command;
903 	}
904 
905 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
906 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
907 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
908 			ql_dbg(ql_dbg_io, vha, 0x3005,
909 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
910 			    atomic_read(&fcport->state),
911 			    atomic_read(&base_vha->loop_state));
912 			cmd->result = DID_NO_CONNECT << 16;
913 			goto qc24_fail_command;
914 		}
915 		goto qc24_target_busy;
916 	}
917 
918 	/*
919 	 * Return target busy if we've received a non-zero retry_delay_timer
920 	 * in a FCP_RSP.
921 	 */
922 	if (fcport->retry_delay_timestamp == 0) {
923 		/* retry delay not set */
924 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
925 		fcport->retry_delay_timestamp = 0;
926 	else
927 		goto qc24_target_busy;
928 
929 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
930 	if (!sp)
931 		goto qc24_host_busy;
932 
933 	sp->u.scmd.cmd = cmd;
934 	sp->type = SRB_SCSI_CMD;
935 	atomic_set(&sp->ref_count, 1);
936 	CMD_SP(cmd) = (void *)sp;
937 	sp->free = qla2x00_sp_free_dma;
938 	sp->done = qla2x00_sp_compl;
939 
940 	rval = ha->isp_ops->start_scsi(sp);
941 	if (rval != QLA_SUCCESS) {
942 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
943 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
944 		goto qc24_host_busy_free_sp;
945 	}
946 
947 	return 0;
948 
949 qc24_host_busy_free_sp:
950 	sp->free(sp);
951 
952 qc24_host_busy:
953 	return SCSI_MLQUEUE_HOST_BUSY;
954 
955 qc24_target_busy:
956 	return SCSI_MLQUEUE_TARGET_BUSY;
957 
958 qc24_fail_command:
959 	cmd->scsi_done(cmd);
960 
961 	return 0;
962 }
963 
964 /* For MQ supported I/O */
965 int
966 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
967     struct qla_qpair *qpair)
968 {
969 	scsi_qla_host_t *vha = shost_priv(host);
970 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
971 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
972 	struct qla_hw_data *ha = vha->hw;
973 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
974 	srb_t *sp;
975 	int rval;
976 
977 	rval = fc_remote_port_chkready(rport);
978 	if (rval) {
979 		cmd->result = rval;
980 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
981 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
982 		    cmd, rval);
983 		goto qc24_fail_command;
984 	}
985 
986 	if (!fcport) {
987 		cmd->result = DID_NO_CONNECT << 16;
988 		goto qc24_fail_command;
989 	}
990 
991 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
992 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
993 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
994 			ql_dbg(ql_dbg_io, vha, 0x3077,
995 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
996 			    atomic_read(&fcport->state),
997 			    atomic_read(&base_vha->loop_state));
998 			cmd->result = DID_NO_CONNECT << 16;
999 			goto qc24_fail_command;
1000 		}
1001 		goto qc24_target_busy;
1002 	}
1003 
1004 	/*
1005 	 * Return target busy if we've received a non-zero retry_delay_timer
1006 	 * in a FCP_RSP.
1007 	 */
1008 	if (fcport->retry_delay_timestamp == 0) {
1009 		/* retry delay not set */
1010 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1011 		fcport->retry_delay_timestamp = 0;
1012 	else
1013 		goto qc24_target_busy;
1014 
1015 	sp = qla2xxx_get_qpair_sp(qpair, fcport, GFP_ATOMIC);
1016 	if (!sp)
1017 		goto qc24_host_busy;
1018 
1019 	sp->u.scmd.cmd = cmd;
1020 	sp->type = SRB_SCSI_CMD;
1021 	atomic_set(&sp->ref_count, 1);
1022 	CMD_SP(cmd) = (void *)sp;
1023 	sp->free = qla2xxx_qpair_sp_free_dma;
1024 	sp->done = qla2xxx_qpair_sp_compl;
1025 	sp->qpair = qpair;
1026 
1027 	rval = ha->isp_ops->start_scsi_mq(sp);
1028 	if (rval != QLA_SUCCESS) {
1029 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1030 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1031 		if (rval == QLA_INTERFACE_ERROR)
1032 			goto qc24_fail_command;
1033 		goto qc24_host_busy_free_sp;
1034 	}
1035 
1036 	return 0;
1037 
1038 qc24_host_busy_free_sp:
1039 	sp->free(sp);
1040 
1041 qc24_host_busy:
1042 	return SCSI_MLQUEUE_HOST_BUSY;
1043 
1044 qc24_target_busy:
1045 	return SCSI_MLQUEUE_TARGET_BUSY;
1046 
1047 qc24_fail_command:
1048 	cmd->scsi_done(cmd);
1049 
1050 	return 0;
1051 }
1052 
1053 /*
1054  * qla2x00_eh_wait_on_command
1055  *    Waits for the command to be returned by the Firmware for some
1056  *    max time.
1057  *
1058  * Input:
1059  *    cmd = Scsi Command to wait on.
1060  *
1061  * Return:
1062  *    Not Found : 0
1063  *    Found : 1
1064  */
1065 static int
1066 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1067 {
1068 #define ABORT_POLLING_PERIOD	1000
1069 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1070 	unsigned long wait_iter = ABORT_WAIT_ITER;
1071 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1072 	struct qla_hw_data *ha = vha->hw;
1073 	int ret = QLA_SUCCESS;
1074 
1075 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1076 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1077 		    "Return:eh_wait.\n");
1078 		return ret;
1079 	}
1080 
1081 	while (CMD_SP(cmd) && wait_iter--) {
1082 		msleep(ABORT_POLLING_PERIOD);
1083 	}
1084 	if (CMD_SP(cmd))
1085 		ret = QLA_FUNCTION_FAILED;
1086 
1087 	return ret;
1088 }
1089 
1090 /*
1091  * qla2x00_wait_for_hba_online
1092  *    Wait till the HBA is online after going through
1093  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1094  *    finally HBA is disabled ie marked offline
1095  *
1096  * Input:
1097  *     ha - pointer to host adapter structure
1098  *
1099  * Note:
1100  *    Does context switching-Release SPIN_LOCK
1101  *    (if any) before calling this routine.
1102  *
1103  * Return:
1104  *    Success (Adapter is online) : 0
1105  *    Failed  (Adapter is offline/disabled) : 1
1106  */
1107 int
1108 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1109 {
1110 	int		return_status;
1111 	unsigned long	wait_online;
1112 	struct qla_hw_data *ha = vha->hw;
1113 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1114 
1115 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1116 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1117 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1118 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1119 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1120 
1121 		msleep(1000);
1122 	}
1123 	if (base_vha->flags.online)
1124 		return_status = QLA_SUCCESS;
1125 	else
1126 		return_status = QLA_FUNCTION_FAILED;
1127 
1128 	return (return_status);
1129 }
1130 
1131 static inline int test_fcport_count(scsi_qla_host_t *vha)
1132 {
1133 	struct qla_hw_data *ha = vha->hw;
1134 	unsigned long flags;
1135 	int res;
1136 
1137 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1138 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1139 	    "tgt %p, fcport_count=%d\n",
1140 	    vha, vha->fcport_count);
1141 	res = (vha->fcport_count == 0);
1142 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1143 
1144 	return res;
1145 }
1146 
1147 /*
1148  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1149  * it has dependency on UNLOADING flag to stop device discovery
1150  */
1151 void
1152 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1153 {
1154 	qla2x00_mark_all_devices_lost(vha, 0);
1155 
1156 	wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1157 }
1158 
1159 /*
1160  * qla2x00_wait_for_hba_ready
1161  * Wait till the HBA is ready before doing driver unload
1162  *
1163  * Input:
1164  *     ha - pointer to host adapter structure
1165  *
1166  * Note:
1167  *    Does context switching-Release SPIN_LOCK
1168  *    (if any) before calling this routine.
1169  *
1170  */
1171 static void
1172 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1173 {
1174 	struct qla_hw_data *ha = vha->hw;
1175 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1176 
1177 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1178 		ha->flags.mbox_busy) ||
1179 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1180 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1181 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1182 			break;
1183 		msleep(1000);
1184 	}
1185 }
1186 
1187 int
1188 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1189 {
1190 	int		return_status;
1191 	unsigned long	wait_reset;
1192 	struct qla_hw_data *ha = vha->hw;
1193 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1194 
1195 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1196 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1197 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1198 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1199 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1200 
1201 		msleep(1000);
1202 
1203 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1204 		    ha->flags.chip_reset_done)
1205 			break;
1206 	}
1207 	if (ha->flags.chip_reset_done)
1208 		return_status = QLA_SUCCESS;
1209 	else
1210 		return_status = QLA_FUNCTION_FAILED;
1211 
1212 	return return_status;
1213 }
1214 
1215 static void
1216 sp_get(struct srb *sp)
1217 {
1218 	atomic_inc(&sp->ref_count);
1219 }
1220 
1221 #define ISP_REG_DISCONNECT 0xffffffffU
1222 /**************************************************************************
1223 * qla2x00_isp_reg_stat
1224 *
1225 * Description:
1226 *	Read the host status register of ISP before aborting the command.
1227 *
1228 * Input:
1229 *	ha = pointer to host adapter structure.
1230 *
1231 *
1232 * Returns:
1233 *	Either true or false.
1234 *
1235 * Note:	Return true if there is register disconnect.
1236 **************************************************************************/
1237 static inline
1238 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1239 {
1240 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1241 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1242 
1243 	if (IS_P3P_TYPE(ha))
1244 		return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
1245 	else
1246 		return ((RD_REG_DWORD(&reg->host_status)) ==
1247 			ISP_REG_DISCONNECT);
1248 }
1249 
1250 /**************************************************************************
1251 * qla2xxx_eh_abort
1252 *
1253 * Description:
1254 *    The abort function will abort the specified command.
1255 *
1256 * Input:
1257 *    cmd = Linux SCSI command packet to be aborted.
1258 *
1259 * Returns:
1260 *    Either SUCCESS or FAILED.
1261 *
1262 * Note:
1263 *    Only return FAILED if command not returned by firmware.
1264 **************************************************************************/
1265 static int
1266 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1267 {
1268 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1269 	srb_t *sp;
1270 	int ret;
1271 	unsigned int id;
1272 	uint64_t lun;
1273 	unsigned long flags;
1274 	int rval, wait = 0;
1275 	struct qla_hw_data *ha = vha->hw;
1276 
1277 	if (qla2x00_isp_reg_stat(ha)) {
1278 		ql_log(ql_log_info, vha, 0x8042,
1279 		    "PCI/Register disconnect, exiting.\n");
1280 		return FAILED;
1281 	}
1282 	if (!CMD_SP(cmd))
1283 		return SUCCESS;
1284 
1285 	ret = fc_block_scsi_eh(cmd);
1286 	if (ret != 0)
1287 		return ret;
1288 	ret = SUCCESS;
1289 
1290 	id = cmd->device->id;
1291 	lun = cmd->device->lun;
1292 
1293 	spin_lock_irqsave(&ha->hardware_lock, flags);
1294 	sp = (srb_t *) CMD_SP(cmd);
1295 	if (!sp) {
1296 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1297 		return SUCCESS;
1298 	}
1299 
1300 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1301 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1302 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1303 
1304 	/* Get a reference to the sp and drop the lock.*/
1305 	sp_get(sp);
1306 
1307 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1308 	rval = ha->isp_ops->abort_command(sp);
1309 	if (rval) {
1310 		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1311 			ret = SUCCESS;
1312 		else
1313 			ret = FAILED;
1314 
1315 		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1316 		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1317 	} else {
1318 		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1319 		    "Abort command mbx success cmd=%p.\n", cmd);
1320 		wait = 1;
1321 	}
1322 
1323 	spin_lock_irqsave(&ha->hardware_lock, flags);
1324 	sp->done(sp, 0);
1325 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1326 
1327 	/* Did the command return during mailbox execution? */
1328 	if (ret == FAILED && !CMD_SP(cmd))
1329 		ret = SUCCESS;
1330 
1331 	/* Wait for the command to be returned. */
1332 	if (wait) {
1333 		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1334 			ql_log(ql_log_warn, vha, 0x8006,
1335 			    "Abort handler timed out cmd=%p.\n", cmd);
1336 			ret = FAILED;
1337 		}
1338 	}
1339 
1340 	ql_log(ql_log_info, vha, 0x801c,
1341 	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1342 	    vha->host_no, id, lun, wait, ret);
1343 
1344 	return ret;
1345 }
1346 
1347 int
1348 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1349 	uint64_t l, enum nexus_wait_type type)
1350 {
1351 	int cnt, match, status;
1352 	unsigned long flags;
1353 	struct qla_hw_data *ha = vha->hw;
1354 	struct req_que *req;
1355 	srb_t *sp;
1356 	struct scsi_cmnd *cmd;
1357 
1358 	status = QLA_SUCCESS;
1359 
1360 	spin_lock_irqsave(&ha->hardware_lock, flags);
1361 	req = vha->req;
1362 	for (cnt = 1; status == QLA_SUCCESS &&
1363 		cnt < req->num_outstanding_cmds; cnt++) {
1364 		sp = req->outstanding_cmds[cnt];
1365 		if (!sp)
1366 			continue;
1367 		if (sp->type != SRB_SCSI_CMD)
1368 			continue;
1369 		if (vha->vp_idx != sp->vha->vp_idx)
1370 			continue;
1371 		match = 0;
1372 		cmd = GET_CMD_SP(sp);
1373 		switch (type) {
1374 		case WAIT_HOST:
1375 			match = 1;
1376 			break;
1377 		case WAIT_TARGET:
1378 			match = cmd->device->id == t;
1379 			break;
1380 		case WAIT_LUN:
1381 			match = (cmd->device->id == t &&
1382 				cmd->device->lun == l);
1383 			break;
1384 		}
1385 		if (!match)
1386 			continue;
1387 
1388 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1389 		status = qla2x00_eh_wait_on_command(cmd);
1390 		spin_lock_irqsave(&ha->hardware_lock, flags);
1391 	}
1392 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1393 
1394 	return status;
1395 }
1396 
1397 static char *reset_errors[] = {
1398 	"HBA not online",
1399 	"HBA not ready",
1400 	"Task management failed",
1401 	"Waiting for command completions",
1402 };
1403 
1404 static int
1405 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1406     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1407 {
1408 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1409 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1410 	int err;
1411 
1412 	if (!fcport) {
1413 		return FAILED;
1414 	}
1415 
1416 	err = fc_block_scsi_eh(cmd);
1417 	if (err != 0)
1418 		return err;
1419 
1420 	ql_log(ql_log_info, vha, 0x8009,
1421 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1422 	    cmd->device->id, cmd->device->lun, cmd);
1423 
1424 	err = 0;
1425 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1426 		ql_log(ql_log_warn, vha, 0x800a,
1427 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1428 		goto eh_reset_failed;
1429 	}
1430 	err = 2;
1431 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1432 		!= QLA_SUCCESS) {
1433 		ql_log(ql_log_warn, vha, 0x800c,
1434 		    "do_reset failed for cmd=%p.\n", cmd);
1435 		goto eh_reset_failed;
1436 	}
1437 	err = 3;
1438 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1439 	    cmd->device->lun, type) != QLA_SUCCESS) {
1440 		ql_log(ql_log_warn, vha, 0x800d,
1441 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1442 		goto eh_reset_failed;
1443 	}
1444 
1445 	ql_log(ql_log_info, vha, 0x800e,
1446 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1447 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1448 
1449 	return SUCCESS;
1450 
1451 eh_reset_failed:
1452 	ql_log(ql_log_info, vha, 0x800f,
1453 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1454 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1455 	    cmd);
1456 	return FAILED;
1457 }
1458 
1459 static int
1460 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1461 {
1462 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1463 	struct qla_hw_data *ha = vha->hw;
1464 
1465 	if (qla2x00_isp_reg_stat(ha)) {
1466 		ql_log(ql_log_info, vha, 0x803e,
1467 		    "PCI/Register disconnect, exiting.\n");
1468 		return FAILED;
1469 	}
1470 
1471 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1472 	    ha->isp_ops->lun_reset);
1473 }
1474 
1475 static int
1476 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1477 {
1478 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1479 	struct qla_hw_data *ha = vha->hw;
1480 
1481 	if (qla2x00_isp_reg_stat(ha)) {
1482 		ql_log(ql_log_info, vha, 0x803f,
1483 		    "PCI/Register disconnect, exiting.\n");
1484 		return FAILED;
1485 	}
1486 
1487 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1488 	    ha->isp_ops->target_reset);
1489 }
1490 
1491 /**************************************************************************
1492 * qla2xxx_eh_bus_reset
1493 *
1494 * Description:
1495 *    The bus reset function will reset the bus and abort any executing
1496 *    commands.
1497 *
1498 * Input:
1499 *    cmd = Linux SCSI command packet of the command that cause the
1500 *          bus reset.
1501 *
1502 * Returns:
1503 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1504 *
1505 **************************************************************************/
1506 static int
1507 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1508 {
1509 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1510 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1511 	int ret = FAILED;
1512 	unsigned int id;
1513 	uint64_t lun;
1514 	struct qla_hw_data *ha = vha->hw;
1515 
1516 	if (qla2x00_isp_reg_stat(ha)) {
1517 		ql_log(ql_log_info, vha, 0x8040,
1518 		    "PCI/Register disconnect, exiting.\n");
1519 		return FAILED;
1520 	}
1521 
1522 	id = cmd->device->id;
1523 	lun = cmd->device->lun;
1524 
1525 	if (!fcport) {
1526 		return ret;
1527 	}
1528 
1529 	ret = fc_block_scsi_eh(cmd);
1530 	if (ret != 0)
1531 		return ret;
1532 	ret = FAILED;
1533 
1534 	ql_log(ql_log_info, vha, 0x8012,
1535 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1536 
1537 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1538 		ql_log(ql_log_fatal, vha, 0x8013,
1539 		    "Wait for hba online failed board disabled.\n");
1540 		goto eh_bus_reset_done;
1541 	}
1542 
1543 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1544 		ret = SUCCESS;
1545 
1546 	if (ret == FAILED)
1547 		goto eh_bus_reset_done;
1548 
1549 	/* Flush outstanding commands. */
1550 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1551 	    QLA_SUCCESS) {
1552 		ql_log(ql_log_warn, vha, 0x8014,
1553 		    "Wait for pending commands failed.\n");
1554 		ret = FAILED;
1555 	}
1556 
1557 eh_bus_reset_done:
1558 	ql_log(ql_log_warn, vha, 0x802b,
1559 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1560 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1561 
1562 	return ret;
1563 }
1564 
1565 /**************************************************************************
1566 * qla2xxx_eh_host_reset
1567 *
1568 * Description:
1569 *    The reset function will reset the Adapter.
1570 *
1571 * Input:
1572 *      cmd = Linux SCSI command packet of the command that cause the
1573 *            adapter reset.
1574 *
1575 * Returns:
1576 *      Either SUCCESS or FAILED.
1577 *
1578 * Note:
1579 **************************************************************************/
1580 static int
1581 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1582 {
1583 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1584 	struct qla_hw_data *ha = vha->hw;
1585 	int ret = FAILED;
1586 	unsigned int id;
1587 	uint64_t lun;
1588 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1589 
1590 	if (qla2x00_isp_reg_stat(ha)) {
1591 		ql_log(ql_log_info, vha, 0x8041,
1592 		    "PCI/Register disconnect, exiting.\n");
1593 		schedule_work(&ha->board_disable);
1594 		return SUCCESS;
1595 	}
1596 
1597 	id = cmd->device->id;
1598 	lun = cmd->device->lun;
1599 
1600 	ql_log(ql_log_info, vha, 0x8018,
1601 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1602 
1603 	/*
1604 	 * No point in issuing another reset if one is active.  Also do not
1605 	 * attempt a reset if we are updating flash.
1606 	 */
1607 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1608 		goto eh_host_reset_lock;
1609 
1610 	if (vha != base_vha) {
1611 		if (qla2x00_vp_abort_isp(vha))
1612 			goto eh_host_reset_lock;
1613 	} else {
1614 		if (IS_P3P_TYPE(vha->hw)) {
1615 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1616 				/* Ctx reset success */
1617 				ret = SUCCESS;
1618 				goto eh_host_reset_lock;
1619 			}
1620 			/* fall thru if ctx reset failed */
1621 		}
1622 		if (ha->wq)
1623 			flush_workqueue(ha->wq);
1624 
1625 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1626 		if (ha->isp_ops->abort_isp(base_vha)) {
1627 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1628 			/* failed. schedule dpc to try */
1629 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1630 
1631 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1632 				ql_log(ql_log_warn, vha, 0x802a,
1633 				    "wait for hba online failed.\n");
1634 				goto eh_host_reset_lock;
1635 			}
1636 		}
1637 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1638 	}
1639 
1640 	/* Waiting for command to be returned to OS.*/
1641 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1642 		QLA_SUCCESS)
1643 		ret = SUCCESS;
1644 
1645 eh_host_reset_lock:
1646 	ql_log(ql_log_info, vha, 0x8017,
1647 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1648 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1649 
1650 	return ret;
1651 }
1652 
1653 /*
1654 * qla2x00_loop_reset
1655 *      Issue loop reset.
1656 *
1657 * Input:
1658 *      ha = adapter block pointer.
1659 *
1660 * Returns:
1661 *      0 = success
1662 */
1663 int
1664 qla2x00_loop_reset(scsi_qla_host_t *vha)
1665 {
1666 	int ret;
1667 	struct fc_port *fcport;
1668 	struct qla_hw_data *ha = vha->hw;
1669 
1670 	if (IS_QLAFX00(ha)) {
1671 		return qlafx00_loop_reset(vha);
1672 	}
1673 
1674 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1675 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1676 			if (fcport->port_type != FCT_TARGET)
1677 				continue;
1678 
1679 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1680 			if (ret != QLA_SUCCESS) {
1681 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1682 				    "Bus Reset failed: Reset=%d "
1683 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1684 			}
1685 		}
1686 	}
1687 
1688 
1689 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1690 		atomic_set(&vha->loop_state, LOOP_DOWN);
1691 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1692 		qla2x00_mark_all_devices_lost(vha, 0);
1693 		ret = qla2x00_full_login_lip(vha);
1694 		if (ret != QLA_SUCCESS) {
1695 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1696 			    "full_login_lip=%d.\n", ret);
1697 		}
1698 	}
1699 
1700 	if (ha->flags.enable_lip_reset) {
1701 		ret = qla2x00_lip_reset(vha);
1702 		if (ret != QLA_SUCCESS)
1703 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1704 			    "lip_reset failed (%d).\n", ret);
1705 	}
1706 
1707 	/* Issue marker command only when we are going to start the I/O */
1708 	vha->marker_needed = 1;
1709 
1710 	return QLA_SUCCESS;
1711 }
1712 
1713 static void
1714 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1715 {
1716 	int cnt, status;
1717 	unsigned long flags;
1718 	srb_t *sp;
1719 	scsi_qla_host_t *vha = qp->vha;
1720 	struct qla_hw_data *ha = vha->hw;
1721 	struct req_que *req;
1722 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1723 	struct qla_tgt_cmd *cmd;
1724 	uint8_t trace = 0;
1725 
1726 	if (!ha->req_q_map)
1727 		return;
1728 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1729 	req = qp->req;
1730 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1731 		sp = req->outstanding_cmds[cnt];
1732 		if (sp) {
1733 			req->outstanding_cmds[cnt] = NULL;
1734 			if (sp->cmd_type == TYPE_SRB) {
1735 				if (sp->type == SRB_NVME_CMD ||
1736 				    sp->type == SRB_NVME_LS) {
1737 					sp_get(sp);
1738 					spin_unlock_irqrestore(qp->qp_lock_ptr,
1739 					    flags);
1740 					qla_nvme_abort(ha, sp, res);
1741 					spin_lock_irqsave(qp->qp_lock_ptr,
1742 					    flags);
1743 				} else if (GET_CMD_SP(sp) &&
1744 				    !ha->flags.eeh_busy &&
1745 				    (!test_bit(ABORT_ISP_ACTIVE,
1746 					&vha->dpc_flags)) &&
1747 				    (sp->type == SRB_SCSI_CMD)) {
1748 					/*
1749 					 * Don't abort commands in
1750 					 * adapter during EEH
1751 					 * recovery as it's not
1752 					 * accessible/responding.
1753 					 *
1754 					 * Get a reference to the sp
1755 					 * and drop the lock. The
1756 					 * reference ensures this
1757 					 * sp->done() call and not the
1758 					 * call in qla2xxx_eh_abort()
1759 					 * ends the SCSI command (with
1760 					 * result 'res').
1761 					 */
1762 					sp_get(sp);
1763 					spin_unlock_irqrestore(qp->qp_lock_ptr,
1764 					    flags);
1765 					status = qla2xxx_eh_abort(
1766 					    GET_CMD_SP(sp));
1767 					spin_lock_irqsave(qp->qp_lock_ptr,
1768 					    flags);
1769 					/*
1770 					 * Get rid of extra reference
1771 					 * if immediate exit from
1772 					 * ql2xxx_eh_abort
1773 					 */
1774 					if (status == FAILED &&
1775 					    (qla2x00_isp_reg_stat(ha)))
1776 						atomic_dec(
1777 						    &sp->ref_count);
1778 				}
1779 				sp->done(sp, res);
1780 			} else {
1781 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1782 				    qla_ini_mode_enabled(vha)) {
1783 					if (!trace)
1784 						ql_dbg(ql_dbg_tgt_mgt,
1785 						    vha, 0xf003,
1786 						    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1787 						    vha->dpc_flags);
1788 					continue;
1789 				}
1790 				cmd = (struct qla_tgt_cmd *)sp;
1791 				qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1792 			}
1793 		}
1794 	}
1795 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1796 }
1797 
1798 void
1799 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1800 {
1801 	int que;
1802 	struct qla_hw_data *ha = vha->hw;
1803 
1804 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1805 
1806 	for (que = 0; que < ha->max_qpairs; que++) {
1807 		if (!ha->queue_pair_map[que])
1808 			continue;
1809 
1810 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1811 	}
1812 }
1813 
1814 static int
1815 qla2xxx_slave_alloc(struct scsi_device *sdev)
1816 {
1817 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1818 
1819 	if (!rport || fc_remote_port_chkready(rport))
1820 		return -ENXIO;
1821 
1822 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1823 
1824 	return 0;
1825 }
1826 
1827 static int
1828 qla2xxx_slave_configure(struct scsi_device *sdev)
1829 {
1830 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1831 	struct req_que *req = vha->req;
1832 
1833 	if (IS_T10_PI_CAPABLE(vha->hw))
1834 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1835 
1836 	scsi_change_queue_depth(sdev, req->max_q_depth);
1837 	return 0;
1838 }
1839 
1840 static void
1841 qla2xxx_slave_destroy(struct scsi_device *sdev)
1842 {
1843 	sdev->hostdata = NULL;
1844 }
1845 
1846 /**
1847  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1848  * @ha: HA context
1849  *
1850  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1851  * supported addressing method.
1852  */
1853 static void
1854 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1855 {
1856 	/* Assume a 32bit DMA mask. */
1857 	ha->flags.enable_64bit_addressing = 0;
1858 
1859 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1860 		/* Any upper-dword bits set? */
1861 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1862 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1863 			/* Ok, a 64bit DMA mask is applicable. */
1864 			ha->flags.enable_64bit_addressing = 1;
1865 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1866 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1867 			return;
1868 		}
1869 	}
1870 
1871 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1872 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1873 }
1874 
1875 static void
1876 qla2x00_enable_intrs(struct qla_hw_data *ha)
1877 {
1878 	unsigned long flags = 0;
1879 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1880 
1881 	spin_lock_irqsave(&ha->hardware_lock, flags);
1882 	ha->interrupts_on = 1;
1883 	/* enable risc and host interrupts */
1884 	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1885 	RD_REG_WORD(&reg->ictrl);
1886 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1887 
1888 }
1889 
1890 static void
1891 qla2x00_disable_intrs(struct qla_hw_data *ha)
1892 {
1893 	unsigned long flags = 0;
1894 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1895 
1896 	spin_lock_irqsave(&ha->hardware_lock, flags);
1897 	ha->interrupts_on = 0;
1898 	/* disable risc and host interrupts */
1899 	WRT_REG_WORD(&reg->ictrl, 0);
1900 	RD_REG_WORD(&reg->ictrl);
1901 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1902 }
1903 
1904 static void
1905 qla24xx_enable_intrs(struct qla_hw_data *ha)
1906 {
1907 	unsigned long flags = 0;
1908 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1909 
1910 	spin_lock_irqsave(&ha->hardware_lock, flags);
1911 	ha->interrupts_on = 1;
1912 	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1913 	RD_REG_DWORD(&reg->ictrl);
1914 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1915 }
1916 
1917 static void
1918 qla24xx_disable_intrs(struct qla_hw_data *ha)
1919 {
1920 	unsigned long flags = 0;
1921 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1922 
1923 	if (IS_NOPOLLING_TYPE(ha))
1924 		return;
1925 	spin_lock_irqsave(&ha->hardware_lock, flags);
1926 	ha->interrupts_on = 0;
1927 	WRT_REG_DWORD(&reg->ictrl, 0);
1928 	RD_REG_DWORD(&reg->ictrl);
1929 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1930 }
1931 
1932 static int
1933 qla2x00_iospace_config(struct qla_hw_data *ha)
1934 {
1935 	resource_size_t pio;
1936 	uint16_t msix;
1937 
1938 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1939 	    QLA2XXX_DRIVER_NAME)) {
1940 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1941 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1942 		    pci_name(ha->pdev));
1943 		goto iospace_error_exit;
1944 	}
1945 	if (!(ha->bars & 1))
1946 		goto skip_pio;
1947 
1948 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1949 	pio = pci_resource_start(ha->pdev, 0);
1950 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1951 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1952 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1953 			    "Invalid pci I/O region size (%s).\n",
1954 			    pci_name(ha->pdev));
1955 			pio = 0;
1956 		}
1957 	} else {
1958 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1959 		    "Region #0 no a PIO resource (%s).\n",
1960 		    pci_name(ha->pdev));
1961 		pio = 0;
1962 	}
1963 	ha->pio_address = pio;
1964 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1965 	    "PIO address=%llu.\n",
1966 	    (unsigned long long)ha->pio_address);
1967 
1968 skip_pio:
1969 	/* Use MMIO operations for all accesses. */
1970 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1971 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1972 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1973 		    pci_name(ha->pdev));
1974 		goto iospace_error_exit;
1975 	}
1976 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1977 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1978 		    "Invalid PCI mem region size (%s), aborting.\n",
1979 		    pci_name(ha->pdev));
1980 		goto iospace_error_exit;
1981 	}
1982 
1983 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1984 	if (!ha->iobase) {
1985 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1986 		    "Cannot remap MMIO (%s), aborting.\n",
1987 		    pci_name(ha->pdev));
1988 		goto iospace_error_exit;
1989 	}
1990 
1991 	/* Determine queue resources */
1992 	ha->max_req_queues = ha->max_rsp_queues = 1;
1993 	ha->msix_count = QLA_BASE_VECTORS;
1994 	if (!ql2xmqsupport || !ql2xnvmeenable ||
1995 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1996 		goto mqiobase_exit;
1997 
1998 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1999 			pci_resource_len(ha->pdev, 3));
2000 	if (ha->mqiobase) {
2001 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2002 		    "MQIO Base=%p.\n", ha->mqiobase);
2003 		/* Read MSIX vector size of the board */
2004 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2005 		ha->msix_count = msix + 1;
2006 		/* Max queues are bounded by available msix vectors */
2007 		/* MB interrupt uses 1 vector */
2008 		ha->max_req_queues = ha->msix_count - 1;
2009 		ha->max_rsp_queues = ha->max_req_queues;
2010 		/* Queue pairs is the max value minus the base queue pair */
2011 		ha->max_qpairs = ha->max_rsp_queues - 1;
2012 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2013 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2014 
2015 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2016 		    "MSI-X vector count: %d.\n", ha->msix_count);
2017 	} else
2018 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2019 		    "BAR 3 not enabled.\n");
2020 
2021 mqiobase_exit:
2022 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2023 	    "MSIX Count: %d.\n", ha->msix_count);
2024 	return (0);
2025 
2026 iospace_error_exit:
2027 	return (-ENOMEM);
2028 }
2029 
2030 
2031 static int
2032 qla83xx_iospace_config(struct qla_hw_data *ha)
2033 {
2034 	uint16_t msix;
2035 
2036 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2037 	    QLA2XXX_DRIVER_NAME)) {
2038 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2039 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2040 		    pci_name(ha->pdev));
2041 
2042 		goto iospace_error_exit;
2043 	}
2044 
2045 	/* Use MMIO operations for all accesses. */
2046 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2047 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2048 		    "Invalid pci I/O region size (%s).\n",
2049 		    pci_name(ha->pdev));
2050 		goto iospace_error_exit;
2051 	}
2052 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2053 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2054 		    "Invalid PCI mem region size (%s), aborting\n",
2055 			pci_name(ha->pdev));
2056 		goto iospace_error_exit;
2057 	}
2058 
2059 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2060 	if (!ha->iobase) {
2061 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2062 		    "Cannot remap MMIO (%s), aborting.\n",
2063 		    pci_name(ha->pdev));
2064 		goto iospace_error_exit;
2065 	}
2066 
2067 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2068 	/* 83XX 26XX always use MQ type access for queues
2069 	 * - mbar 2, a.k.a region 4 */
2070 	ha->max_req_queues = ha->max_rsp_queues = 1;
2071 	ha->msix_count = QLA_BASE_VECTORS;
2072 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2073 			pci_resource_len(ha->pdev, 4));
2074 
2075 	if (!ha->mqiobase) {
2076 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2077 		    "BAR2/region4 not enabled\n");
2078 		goto mqiobase_exit;
2079 	}
2080 
2081 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2082 			pci_resource_len(ha->pdev, 2));
2083 	if (ha->msixbase) {
2084 		/* Read MSIX vector size of the board */
2085 		pci_read_config_word(ha->pdev,
2086 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2087 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2088 		/*
2089 		 * By default, driver uses at least two msix vectors
2090 		 * (default & rspq)
2091 		 */
2092 		if (ql2xmqsupport || ql2xnvmeenable) {
2093 			/* MB interrupt uses 1 vector */
2094 			ha->max_req_queues = ha->msix_count - 1;
2095 
2096 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2097 			if (QLA_TGT_MODE_ENABLED())
2098 				ha->max_req_queues--;
2099 
2100 			ha->max_rsp_queues = ha->max_req_queues;
2101 
2102 			/* Queue pairs is the max value minus
2103 			 * the base queue pair */
2104 			ha->max_qpairs = ha->max_req_queues - 1;
2105 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2106 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2107 		}
2108 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2109 		    "MSI-X vector count: %d.\n", ha->msix_count);
2110 	} else
2111 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2112 		    "BAR 1 not enabled.\n");
2113 
2114 mqiobase_exit:
2115 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2116 	    "MSIX Count: %d.\n", ha->msix_count);
2117 	return 0;
2118 
2119 iospace_error_exit:
2120 	return -ENOMEM;
2121 }
2122 
2123 static struct isp_operations qla2100_isp_ops = {
2124 	.pci_config		= qla2100_pci_config,
2125 	.reset_chip		= qla2x00_reset_chip,
2126 	.chip_diag		= qla2x00_chip_diag,
2127 	.config_rings		= qla2x00_config_rings,
2128 	.reset_adapter		= qla2x00_reset_adapter,
2129 	.nvram_config		= qla2x00_nvram_config,
2130 	.update_fw_options	= qla2x00_update_fw_options,
2131 	.load_risc		= qla2x00_load_risc,
2132 	.pci_info_str		= qla2x00_pci_info_str,
2133 	.fw_version_str		= qla2x00_fw_version_str,
2134 	.intr_handler		= qla2100_intr_handler,
2135 	.enable_intrs		= qla2x00_enable_intrs,
2136 	.disable_intrs		= qla2x00_disable_intrs,
2137 	.abort_command		= qla2x00_abort_command,
2138 	.target_reset		= qla2x00_abort_target,
2139 	.lun_reset		= qla2x00_lun_reset,
2140 	.fabric_login		= qla2x00_login_fabric,
2141 	.fabric_logout		= qla2x00_fabric_logout,
2142 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2143 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2144 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2145 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2146 	.read_nvram		= qla2x00_read_nvram_data,
2147 	.write_nvram		= qla2x00_write_nvram_data,
2148 	.fw_dump		= qla2100_fw_dump,
2149 	.beacon_on		= NULL,
2150 	.beacon_off		= NULL,
2151 	.beacon_blink		= NULL,
2152 	.read_optrom		= qla2x00_read_optrom_data,
2153 	.write_optrom		= qla2x00_write_optrom_data,
2154 	.get_flash_version	= qla2x00_get_flash_version,
2155 	.start_scsi		= qla2x00_start_scsi,
2156 	.start_scsi_mq          = NULL,
2157 	.abort_isp		= qla2x00_abort_isp,
2158 	.iospace_config     	= qla2x00_iospace_config,
2159 	.initialize_adapter	= qla2x00_initialize_adapter,
2160 };
2161 
2162 static struct isp_operations qla2300_isp_ops = {
2163 	.pci_config		= qla2300_pci_config,
2164 	.reset_chip		= qla2x00_reset_chip,
2165 	.chip_diag		= qla2x00_chip_diag,
2166 	.config_rings		= qla2x00_config_rings,
2167 	.reset_adapter		= qla2x00_reset_adapter,
2168 	.nvram_config		= qla2x00_nvram_config,
2169 	.update_fw_options	= qla2x00_update_fw_options,
2170 	.load_risc		= qla2x00_load_risc,
2171 	.pci_info_str		= qla2x00_pci_info_str,
2172 	.fw_version_str		= qla2x00_fw_version_str,
2173 	.intr_handler		= qla2300_intr_handler,
2174 	.enable_intrs		= qla2x00_enable_intrs,
2175 	.disable_intrs		= qla2x00_disable_intrs,
2176 	.abort_command		= qla2x00_abort_command,
2177 	.target_reset		= qla2x00_abort_target,
2178 	.lun_reset		= qla2x00_lun_reset,
2179 	.fabric_login		= qla2x00_login_fabric,
2180 	.fabric_logout		= qla2x00_fabric_logout,
2181 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2182 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2183 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2184 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2185 	.read_nvram		= qla2x00_read_nvram_data,
2186 	.write_nvram		= qla2x00_write_nvram_data,
2187 	.fw_dump		= qla2300_fw_dump,
2188 	.beacon_on		= qla2x00_beacon_on,
2189 	.beacon_off		= qla2x00_beacon_off,
2190 	.beacon_blink		= qla2x00_beacon_blink,
2191 	.read_optrom		= qla2x00_read_optrom_data,
2192 	.write_optrom		= qla2x00_write_optrom_data,
2193 	.get_flash_version	= qla2x00_get_flash_version,
2194 	.start_scsi		= qla2x00_start_scsi,
2195 	.start_scsi_mq          = NULL,
2196 	.abort_isp		= qla2x00_abort_isp,
2197 	.iospace_config		= qla2x00_iospace_config,
2198 	.initialize_adapter	= qla2x00_initialize_adapter,
2199 };
2200 
2201 static struct isp_operations qla24xx_isp_ops = {
2202 	.pci_config		= qla24xx_pci_config,
2203 	.reset_chip		= qla24xx_reset_chip,
2204 	.chip_diag		= qla24xx_chip_diag,
2205 	.config_rings		= qla24xx_config_rings,
2206 	.reset_adapter		= qla24xx_reset_adapter,
2207 	.nvram_config		= qla24xx_nvram_config,
2208 	.update_fw_options	= qla24xx_update_fw_options,
2209 	.load_risc		= qla24xx_load_risc,
2210 	.pci_info_str		= qla24xx_pci_info_str,
2211 	.fw_version_str		= qla24xx_fw_version_str,
2212 	.intr_handler		= qla24xx_intr_handler,
2213 	.enable_intrs		= qla24xx_enable_intrs,
2214 	.disable_intrs		= qla24xx_disable_intrs,
2215 	.abort_command		= qla24xx_abort_command,
2216 	.target_reset		= qla24xx_abort_target,
2217 	.lun_reset		= qla24xx_lun_reset,
2218 	.fabric_login		= qla24xx_login_fabric,
2219 	.fabric_logout		= qla24xx_fabric_logout,
2220 	.calc_req_entries	= NULL,
2221 	.build_iocbs		= NULL,
2222 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2223 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2224 	.read_nvram		= qla24xx_read_nvram_data,
2225 	.write_nvram		= qla24xx_write_nvram_data,
2226 	.fw_dump		= qla24xx_fw_dump,
2227 	.beacon_on		= qla24xx_beacon_on,
2228 	.beacon_off		= qla24xx_beacon_off,
2229 	.beacon_blink		= qla24xx_beacon_blink,
2230 	.read_optrom		= qla24xx_read_optrom_data,
2231 	.write_optrom		= qla24xx_write_optrom_data,
2232 	.get_flash_version	= qla24xx_get_flash_version,
2233 	.start_scsi		= qla24xx_start_scsi,
2234 	.start_scsi_mq          = NULL,
2235 	.abort_isp		= qla2x00_abort_isp,
2236 	.iospace_config		= qla2x00_iospace_config,
2237 	.initialize_adapter	= qla2x00_initialize_adapter,
2238 };
2239 
2240 static struct isp_operations qla25xx_isp_ops = {
2241 	.pci_config		= qla25xx_pci_config,
2242 	.reset_chip		= qla24xx_reset_chip,
2243 	.chip_diag		= qla24xx_chip_diag,
2244 	.config_rings		= qla24xx_config_rings,
2245 	.reset_adapter		= qla24xx_reset_adapter,
2246 	.nvram_config		= qla24xx_nvram_config,
2247 	.update_fw_options	= qla24xx_update_fw_options,
2248 	.load_risc		= qla24xx_load_risc,
2249 	.pci_info_str		= qla24xx_pci_info_str,
2250 	.fw_version_str		= qla24xx_fw_version_str,
2251 	.intr_handler		= qla24xx_intr_handler,
2252 	.enable_intrs		= qla24xx_enable_intrs,
2253 	.disable_intrs		= qla24xx_disable_intrs,
2254 	.abort_command		= qla24xx_abort_command,
2255 	.target_reset		= qla24xx_abort_target,
2256 	.lun_reset		= qla24xx_lun_reset,
2257 	.fabric_login		= qla24xx_login_fabric,
2258 	.fabric_logout		= qla24xx_fabric_logout,
2259 	.calc_req_entries	= NULL,
2260 	.build_iocbs		= NULL,
2261 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2262 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2263 	.read_nvram		= qla25xx_read_nvram_data,
2264 	.write_nvram		= qla25xx_write_nvram_data,
2265 	.fw_dump		= qla25xx_fw_dump,
2266 	.beacon_on		= qla24xx_beacon_on,
2267 	.beacon_off		= qla24xx_beacon_off,
2268 	.beacon_blink		= qla24xx_beacon_blink,
2269 	.read_optrom		= qla25xx_read_optrom_data,
2270 	.write_optrom		= qla24xx_write_optrom_data,
2271 	.get_flash_version	= qla24xx_get_flash_version,
2272 	.start_scsi		= qla24xx_dif_start_scsi,
2273 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2274 	.abort_isp		= qla2x00_abort_isp,
2275 	.iospace_config		= qla2x00_iospace_config,
2276 	.initialize_adapter	= qla2x00_initialize_adapter,
2277 };
2278 
2279 static struct isp_operations qla81xx_isp_ops = {
2280 	.pci_config		= qla25xx_pci_config,
2281 	.reset_chip		= qla24xx_reset_chip,
2282 	.chip_diag		= qla24xx_chip_diag,
2283 	.config_rings		= qla24xx_config_rings,
2284 	.reset_adapter		= qla24xx_reset_adapter,
2285 	.nvram_config		= qla81xx_nvram_config,
2286 	.update_fw_options	= qla81xx_update_fw_options,
2287 	.load_risc		= qla81xx_load_risc,
2288 	.pci_info_str		= qla24xx_pci_info_str,
2289 	.fw_version_str		= qla24xx_fw_version_str,
2290 	.intr_handler		= qla24xx_intr_handler,
2291 	.enable_intrs		= qla24xx_enable_intrs,
2292 	.disable_intrs		= qla24xx_disable_intrs,
2293 	.abort_command		= qla24xx_abort_command,
2294 	.target_reset		= qla24xx_abort_target,
2295 	.lun_reset		= qla24xx_lun_reset,
2296 	.fabric_login		= qla24xx_login_fabric,
2297 	.fabric_logout		= qla24xx_fabric_logout,
2298 	.calc_req_entries	= NULL,
2299 	.build_iocbs		= NULL,
2300 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2301 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2302 	.read_nvram		= NULL,
2303 	.write_nvram		= NULL,
2304 	.fw_dump		= qla81xx_fw_dump,
2305 	.beacon_on		= qla24xx_beacon_on,
2306 	.beacon_off		= qla24xx_beacon_off,
2307 	.beacon_blink		= qla83xx_beacon_blink,
2308 	.read_optrom		= qla25xx_read_optrom_data,
2309 	.write_optrom		= qla24xx_write_optrom_data,
2310 	.get_flash_version	= qla24xx_get_flash_version,
2311 	.start_scsi		= qla24xx_dif_start_scsi,
2312 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2313 	.abort_isp		= qla2x00_abort_isp,
2314 	.iospace_config		= qla2x00_iospace_config,
2315 	.initialize_adapter	= qla2x00_initialize_adapter,
2316 };
2317 
2318 static struct isp_operations qla82xx_isp_ops = {
2319 	.pci_config		= qla82xx_pci_config,
2320 	.reset_chip		= qla82xx_reset_chip,
2321 	.chip_diag		= qla24xx_chip_diag,
2322 	.config_rings		= qla82xx_config_rings,
2323 	.reset_adapter		= qla24xx_reset_adapter,
2324 	.nvram_config		= qla81xx_nvram_config,
2325 	.update_fw_options	= qla24xx_update_fw_options,
2326 	.load_risc		= qla82xx_load_risc,
2327 	.pci_info_str		= qla24xx_pci_info_str,
2328 	.fw_version_str		= qla24xx_fw_version_str,
2329 	.intr_handler		= qla82xx_intr_handler,
2330 	.enable_intrs		= qla82xx_enable_intrs,
2331 	.disable_intrs		= qla82xx_disable_intrs,
2332 	.abort_command		= qla24xx_abort_command,
2333 	.target_reset		= qla24xx_abort_target,
2334 	.lun_reset		= qla24xx_lun_reset,
2335 	.fabric_login		= qla24xx_login_fabric,
2336 	.fabric_logout		= qla24xx_fabric_logout,
2337 	.calc_req_entries	= NULL,
2338 	.build_iocbs		= NULL,
2339 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2340 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2341 	.read_nvram		= qla24xx_read_nvram_data,
2342 	.write_nvram		= qla24xx_write_nvram_data,
2343 	.fw_dump		= qla82xx_fw_dump,
2344 	.beacon_on		= qla82xx_beacon_on,
2345 	.beacon_off		= qla82xx_beacon_off,
2346 	.beacon_blink		= NULL,
2347 	.read_optrom		= qla82xx_read_optrom_data,
2348 	.write_optrom		= qla82xx_write_optrom_data,
2349 	.get_flash_version	= qla82xx_get_flash_version,
2350 	.start_scsi             = qla82xx_start_scsi,
2351 	.start_scsi_mq          = NULL,
2352 	.abort_isp		= qla82xx_abort_isp,
2353 	.iospace_config     	= qla82xx_iospace_config,
2354 	.initialize_adapter	= qla2x00_initialize_adapter,
2355 };
2356 
2357 static struct isp_operations qla8044_isp_ops = {
2358 	.pci_config		= qla82xx_pci_config,
2359 	.reset_chip		= qla82xx_reset_chip,
2360 	.chip_diag		= qla24xx_chip_diag,
2361 	.config_rings		= qla82xx_config_rings,
2362 	.reset_adapter		= qla24xx_reset_adapter,
2363 	.nvram_config		= qla81xx_nvram_config,
2364 	.update_fw_options	= qla24xx_update_fw_options,
2365 	.load_risc		= qla82xx_load_risc,
2366 	.pci_info_str		= qla24xx_pci_info_str,
2367 	.fw_version_str		= qla24xx_fw_version_str,
2368 	.intr_handler		= qla8044_intr_handler,
2369 	.enable_intrs		= qla82xx_enable_intrs,
2370 	.disable_intrs		= qla82xx_disable_intrs,
2371 	.abort_command		= qla24xx_abort_command,
2372 	.target_reset		= qla24xx_abort_target,
2373 	.lun_reset		= qla24xx_lun_reset,
2374 	.fabric_login		= qla24xx_login_fabric,
2375 	.fabric_logout		= qla24xx_fabric_logout,
2376 	.calc_req_entries	= NULL,
2377 	.build_iocbs		= NULL,
2378 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2379 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2380 	.read_nvram		= NULL,
2381 	.write_nvram		= NULL,
2382 	.fw_dump		= qla8044_fw_dump,
2383 	.beacon_on		= qla82xx_beacon_on,
2384 	.beacon_off		= qla82xx_beacon_off,
2385 	.beacon_blink		= NULL,
2386 	.read_optrom		= qla8044_read_optrom_data,
2387 	.write_optrom		= qla8044_write_optrom_data,
2388 	.get_flash_version	= qla82xx_get_flash_version,
2389 	.start_scsi             = qla82xx_start_scsi,
2390 	.start_scsi_mq          = NULL,
2391 	.abort_isp		= qla8044_abort_isp,
2392 	.iospace_config		= qla82xx_iospace_config,
2393 	.initialize_adapter	= qla2x00_initialize_adapter,
2394 };
2395 
2396 static struct isp_operations qla83xx_isp_ops = {
2397 	.pci_config		= qla25xx_pci_config,
2398 	.reset_chip		= qla24xx_reset_chip,
2399 	.chip_diag		= qla24xx_chip_diag,
2400 	.config_rings		= qla24xx_config_rings,
2401 	.reset_adapter		= qla24xx_reset_adapter,
2402 	.nvram_config		= qla81xx_nvram_config,
2403 	.update_fw_options	= qla81xx_update_fw_options,
2404 	.load_risc		= qla81xx_load_risc,
2405 	.pci_info_str		= qla24xx_pci_info_str,
2406 	.fw_version_str		= qla24xx_fw_version_str,
2407 	.intr_handler		= qla24xx_intr_handler,
2408 	.enable_intrs		= qla24xx_enable_intrs,
2409 	.disable_intrs		= qla24xx_disable_intrs,
2410 	.abort_command		= qla24xx_abort_command,
2411 	.target_reset		= qla24xx_abort_target,
2412 	.lun_reset		= qla24xx_lun_reset,
2413 	.fabric_login		= qla24xx_login_fabric,
2414 	.fabric_logout		= qla24xx_fabric_logout,
2415 	.calc_req_entries	= NULL,
2416 	.build_iocbs		= NULL,
2417 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2418 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2419 	.read_nvram		= NULL,
2420 	.write_nvram		= NULL,
2421 	.fw_dump		= qla83xx_fw_dump,
2422 	.beacon_on		= qla24xx_beacon_on,
2423 	.beacon_off		= qla24xx_beacon_off,
2424 	.beacon_blink		= qla83xx_beacon_blink,
2425 	.read_optrom		= qla25xx_read_optrom_data,
2426 	.write_optrom		= qla24xx_write_optrom_data,
2427 	.get_flash_version	= qla24xx_get_flash_version,
2428 	.start_scsi		= qla24xx_dif_start_scsi,
2429 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2430 	.abort_isp		= qla2x00_abort_isp,
2431 	.iospace_config		= qla83xx_iospace_config,
2432 	.initialize_adapter	= qla2x00_initialize_adapter,
2433 };
2434 
2435 static struct isp_operations qlafx00_isp_ops = {
2436 	.pci_config		= qlafx00_pci_config,
2437 	.reset_chip		= qlafx00_soft_reset,
2438 	.chip_diag		= qlafx00_chip_diag,
2439 	.config_rings		= qlafx00_config_rings,
2440 	.reset_adapter		= qlafx00_soft_reset,
2441 	.nvram_config		= NULL,
2442 	.update_fw_options	= NULL,
2443 	.load_risc		= NULL,
2444 	.pci_info_str		= qlafx00_pci_info_str,
2445 	.fw_version_str		= qlafx00_fw_version_str,
2446 	.intr_handler		= qlafx00_intr_handler,
2447 	.enable_intrs		= qlafx00_enable_intrs,
2448 	.disable_intrs		= qlafx00_disable_intrs,
2449 	.abort_command		= qla24xx_async_abort_command,
2450 	.target_reset		= qlafx00_abort_target,
2451 	.lun_reset		= qlafx00_lun_reset,
2452 	.fabric_login		= NULL,
2453 	.fabric_logout		= NULL,
2454 	.calc_req_entries	= NULL,
2455 	.build_iocbs		= NULL,
2456 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2457 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2458 	.read_nvram		= qla24xx_read_nvram_data,
2459 	.write_nvram		= qla24xx_write_nvram_data,
2460 	.fw_dump		= NULL,
2461 	.beacon_on		= qla24xx_beacon_on,
2462 	.beacon_off		= qla24xx_beacon_off,
2463 	.beacon_blink		= NULL,
2464 	.read_optrom		= qla24xx_read_optrom_data,
2465 	.write_optrom		= qla24xx_write_optrom_data,
2466 	.get_flash_version	= qla24xx_get_flash_version,
2467 	.start_scsi		= qlafx00_start_scsi,
2468 	.start_scsi_mq          = NULL,
2469 	.abort_isp		= qlafx00_abort_isp,
2470 	.iospace_config		= qlafx00_iospace_config,
2471 	.initialize_adapter	= qlafx00_initialize_adapter,
2472 };
2473 
2474 static struct isp_operations qla27xx_isp_ops = {
2475 	.pci_config		= qla25xx_pci_config,
2476 	.reset_chip		= qla24xx_reset_chip,
2477 	.chip_diag		= qla24xx_chip_diag,
2478 	.config_rings		= qla24xx_config_rings,
2479 	.reset_adapter		= qla24xx_reset_adapter,
2480 	.nvram_config		= qla81xx_nvram_config,
2481 	.update_fw_options	= qla81xx_update_fw_options,
2482 	.load_risc		= qla81xx_load_risc,
2483 	.pci_info_str		= qla24xx_pci_info_str,
2484 	.fw_version_str		= qla24xx_fw_version_str,
2485 	.intr_handler		= qla24xx_intr_handler,
2486 	.enable_intrs		= qla24xx_enable_intrs,
2487 	.disable_intrs		= qla24xx_disable_intrs,
2488 	.abort_command		= qla24xx_abort_command,
2489 	.target_reset		= qla24xx_abort_target,
2490 	.lun_reset		= qla24xx_lun_reset,
2491 	.fabric_login		= qla24xx_login_fabric,
2492 	.fabric_logout		= qla24xx_fabric_logout,
2493 	.calc_req_entries	= NULL,
2494 	.build_iocbs		= NULL,
2495 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2496 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2497 	.read_nvram		= NULL,
2498 	.write_nvram		= NULL,
2499 	.fw_dump		= qla27xx_fwdump,
2500 	.beacon_on		= qla24xx_beacon_on,
2501 	.beacon_off		= qla24xx_beacon_off,
2502 	.beacon_blink		= qla83xx_beacon_blink,
2503 	.read_optrom		= qla25xx_read_optrom_data,
2504 	.write_optrom		= qla24xx_write_optrom_data,
2505 	.get_flash_version	= qla24xx_get_flash_version,
2506 	.start_scsi		= qla24xx_dif_start_scsi,
2507 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2508 	.abort_isp		= qla2x00_abort_isp,
2509 	.iospace_config		= qla83xx_iospace_config,
2510 	.initialize_adapter	= qla2x00_initialize_adapter,
2511 };
2512 
2513 static inline void
2514 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2515 {
2516 	ha->device_type = DT_EXTENDED_IDS;
2517 	switch (ha->pdev->device) {
2518 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2519 		ha->isp_type |= DT_ISP2100;
2520 		ha->device_type &= ~DT_EXTENDED_IDS;
2521 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2522 		break;
2523 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2524 		ha->isp_type |= DT_ISP2200;
2525 		ha->device_type &= ~DT_EXTENDED_IDS;
2526 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2527 		break;
2528 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2529 		ha->isp_type |= DT_ISP2300;
2530 		ha->device_type |= DT_ZIO_SUPPORTED;
2531 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2532 		break;
2533 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2534 		ha->isp_type |= DT_ISP2312;
2535 		ha->device_type |= DT_ZIO_SUPPORTED;
2536 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2537 		break;
2538 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2539 		ha->isp_type |= DT_ISP2322;
2540 		ha->device_type |= DT_ZIO_SUPPORTED;
2541 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2542 		    ha->pdev->subsystem_device == 0x0170)
2543 			ha->device_type |= DT_OEM_001;
2544 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2545 		break;
2546 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2547 		ha->isp_type |= DT_ISP6312;
2548 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2549 		break;
2550 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2551 		ha->isp_type |= DT_ISP6322;
2552 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2553 		break;
2554 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2555 		ha->isp_type |= DT_ISP2422;
2556 		ha->device_type |= DT_ZIO_SUPPORTED;
2557 		ha->device_type |= DT_FWI2;
2558 		ha->device_type |= DT_IIDMA;
2559 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2560 		break;
2561 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2562 		ha->isp_type |= DT_ISP2432;
2563 		ha->device_type |= DT_ZIO_SUPPORTED;
2564 		ha->device_type |= DT_FWI2;
2565 		ha->device_type |= DT_IIDMA;
2566 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2567 		break;
2568 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2569 		ha->isp_type |= DT_ISP8432;
2570 		ha->device_type |= DT_ZIO_SUPPORTED;
2571 		ha->device_type |= DT_FWI2;
2572 		ha->device_type |= DT_IIDMA;
2573 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2574 		break;
2575 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2576 		ha->isp_type |= DT_ISP5422;
2577 		ha->device_type |= DT_FWI2;
2578 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2579 		break;
2580 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2581 		ha->isp_type |= DT_ISP5432;
2582 		ha->device_type |= DT_FWI2;
2583 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2584 		break;
2585 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2586 		ha->isp_type |= DT_ISP2532;
2587 		ha->device_type |= DT_ZIO_SUPPORTED;
2588 		ha->device_type |= DT_FWI2;
2589 		ha->device_type |= DT_IIDMA;
2590 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2591 		break;
2592 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2593 		ha->isp_type |= DT_ISP8001;
2594 		ha->device_type |= DT_ZIO_SUPPORTED;
2595 		ha->device_type |= DT_FWI2;
2596 		ha->device_type |= DT_IIDMA;
2597 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2598 		break;
2599 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2600 		ha->isp_type |= DT_ISP8021;
2601 		ha->device_type |= DT_ZIO_SUPPORTED;
2602 		ha->device_type |= DT_FWI2;
2603 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2604 		/* Initialize 82XX ISP flags */
2605 		qla82xx_init_flags(ha);
2606 		break;
2607 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2608 		ha->isp_type |= DT_ISP8044;
2609 		ha->device_type |= DT_ZIO_SUPPORTED;
2610 		ha->device_type |= DT_FWI2;
2611 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2612 		/* Initialize 82XX ISP flags */
2613 		qla82xx_init_flags(ha);
2614 		break;
2615 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2616 		ha->isp_type |= DT_ISP2031;
2617 		ha->device_type |= DT_ZIO_SUPPORTED;
2618 		ha->device_type |= DT_FWI2;
2619 		ha->device_type |= DT_IIDMA;
2620 		ha->device_type |= DT_T10_PI;
2621 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2622 		break;
2623 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2624 		ha->isp_type |= DT_ISP8031;
2625 		ha->device_type |= DT_ZIO_SUPPORTED;
2626 		ha->device_type |= DT_FWI2;
2627 		ha->device_type |= DT_IIDMA;
2628 		ha->device_type |= DT_T10_PI;
2629 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2630 		break;
2631 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2632 		ha->isp_type |= DT_ISPFX00;
2633 		break;
2634 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2635 		ha->isp_type |= DT_ISP2071;
2636 		ha->device_type |= DT_ZIO_SUPPORTED;
2637 		ha->device_type |= DT_FWI2;
2638 		ha->device_type |= DT_IIDMA;
2639 		ha->device_type |= DT_T10_PI;
2640 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2641 		break;
2642 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2643 		ha->isp_type |= DT_ISP2271;
2644 		ha->device_type |= DT_ZIO_SUPPORTED;
2645 		ha->device_type |= DT_FWI2;
2646 		ha->device_type |= DT_IIDMA;
2647 		ha->device_type |= DT_T10_PI;
2648 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2649 		break;
2650 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2651 		ha->isp_type |= DT_ISP2261;
2652 		ha->device_type |= DT_ZIO_SUPPORTED;
2653 		ha->device_type |= DT_FWI2;
2654 		ha->device_type |= DT_IIDMA;
2655 		ha->device_type |= DT_T10_PI;
2656 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2657 		break;
2658 	}
2659 
2660 	if (IS_QLA82XX(ha))
2661 		ha->port_no = ha->portnum & 1;
2662 	else {
2663 		/* Get adapter physical port no from interrupt pin register. */
2664 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2665 		if (IS_QLA27XX(ha))
2666 			ha->port_no--;
2667 		else
2668 			ha->port_no = !(ha->port_no & 1);
2669 	}
2670 
2671 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2672 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2673 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2674 }
2675 
2676 static void
2677 qla2xxx_scan_start(struct Scsi_Host *shost)
2678 {
2679 	scsi_qla_host_t *vha = shost_priv(shost);
2680 
2681 	if (vha->hw->flags.running_gold_fw)
2682 		return;
2683 
2684 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2685 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2686 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2687 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2688 }
2689 
2690 static int
2691 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2692 {
2693 	scsi_qla_host_t *vha = shost_priv(shost);
2694 
2695 	if (test_bit(UNLOADING, &vha->dpc_flags))
2696 		return 1;
2697 	if (!vha->host)
2698 		return 1;
2699 	if (time > vha->hw->loop_reset_delay * HZ)
2700 		return 1;
2701 
2702 	return atomic_read(&vha->loop_state) == LOOP_READY;
2703 }
2704 
2705 static void qla2x00_iocb_work_fn(struct work_struct *work)
2706 {
2707 	struct scsi_qla_host *vha = container_of(work,
2708 		struct scsi_qla_host, iocb_work);
2709 	struct qla_hw_data *ha = vha->hw;
2710 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2711 	int i = 20;
2712 	unsigned long flags;
2713 
2714 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2715 		return;
2716 
2717 	while (!list_empty(&vha->work_list) && i > 0) {
2718 		qla2x00_do_work(vha);
2719 		i--;
2720 	}
2721 
2722 	spin_lock_irqsave(&vha->work_lock, flags);
2723 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2724 	spin_unlock_irqrestore(&vha->work_lock, flags);
2725 }
2726 
2727 /*
2728  * PCI driver interface
2729  */
2730 static int
2731 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2732 {
2733 	int	ret = -ENODEV;
2734 	struct Scsi_Host *host;
2735 	scsi_qla_host_t *base_vha = NULL;
2736 	struct qla_hw_data *ha;
2737 	char pci_info[30];
2738 	char fw_str[30], wq_name[30];
2739 	struct scsi_host_template *sht;
2740 	int bars, mem_only = 0;
2741 	uint16_t req_length = 0, rsp_length = 0;
2742 	struct req_que *req = NULL;
2743 	struct rsp_que *rsp = NULL;
2744 	int i;
2745 
2746 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2747 	sht = &qla2xxx_driver_template;
2748 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2749 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2750 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2751 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2752 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2753 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2754 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2755 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2756 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2757 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2758 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2759 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2760 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2761 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2762 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2763 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2764 		mem_only = 1;
2765 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2766 		    "Mem only adapter.\n");
2767 	}
2768 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2769 	    "Bars=%d.\n", bars);
2770 
2771 	if (mem_only) {
2772 		if (pci_enable_device_mem(pdev))
2773 			return ret;
2774 	} else {
2775 		if (pci_enable_device(pdev))
2776 			return ret;
2777 	}
2778 
2779 	/* This may fail but that's ok */
2780 	pci_enable_pcie_error_reporting(pdev);
2781 
2782 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2783 	if (!ha) {
2784 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2785 		    "Unable to allocate memory for ha.\n");
2786 		goto disable_device;
2787 	}
2788 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2789 	    "Memory allocated for ha=%p.\n", ha);
2790 	ha->pdev = pdev;
2791 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2792 	spin_lock_init(&ha->tgt.q_full_lock);
2793 	spin_lock_init(&ha->tgt.sess_lock);
2794 	spin_lock_init(&ha->tgt.atio_lock);
2795 
2796 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2797 
2798 	/* Clear our data area */
2799 	ha->bars = bars;
2800 	ha->mem_only = mem_only;
2801 	spin_lock_init(&ha->hardware_lock);
2802 	spin_lock_init(&ha->vport_slock);
2803 	mutex_init(&ha->selflogin_lock);
2804 	mutex_init(&ha->optrom_mutex);
2805 
2806 	/* Set ISP-type information. */
2807 	qla2x00_set_isp_flags(ha);
2808 
2809 	/* Set EEH reset type to fundamental if required by hba */
2810 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2811 	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2812 		pdev->needs_freset = 1;
2813 
2814 	ha->prev_topology = 0;
2815 	ha->init_cb_size = sizeof(init_cb_t);
2816 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2817 	ha->optrom_size = OPTROM_SIZE_2300;
2818 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2819 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2820 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2821 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2822 
2823 	/* Assign ISP specific operations. */
2824 	if (IS_QLA2100(ha)) {
2825 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2826 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2827 		req_length = REQUEST_ENTRY_CNT_2100;
2828 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2829 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2830 		ha->gid_list_info_size = 4;
2831 		ha->flash_conf_off = ~0;
2832 		ha->flash_data_off = ~0;
2833 		ha->nvram_conf_off = ~0;
2834 		ha->nvram_data_off = ~0;
2835 		ha->isp_ops = &qla2100_isp_ops;
2836 	} else if (IS_QLA2200(ha)) {
2837 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2838 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2839 		req_length = REQUEST_ENTRY_CNT_2200;
2840 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2841 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2842 		ha->gid_list_info_size = 4;
2843 		ha->flash_conf_off = ~0;
2844 		ha->flash_data_off = ~0;
2845 		ha->nvram_conf_off = ~0;
2846 		ha->nvram_data_off = ~0;
2847 		ha->isp_ops = &qla2100_isp_ops;
2848 	} else if (IS_QLA23XX(ha)) {
2849 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2850 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2851 		req_length = REQUEST_ENTRY_CNT_2200;
2852 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2853 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2854 		ha->gid_list_info_size = 6;
2855 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2856 			ha->optrom_size = OPTROM_SIZE_2322;
2857 		ha->flash_conf_off = ~0;
2858 		ha->flash_data_off = ~0;
2859 		ha->nvram_conf_off = ~0;
2860 		ha->nvram_data_off = ~0;
2861 		ha->isp_ops = &qla2300_isp_ops;
2862 	} else if (IS_QLA24XX_TYPE(ha)) {
2863 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2864 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2865 		req_length = REQUEST_ENTRY_CNT_24XX;
2866 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2867 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2868 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2869 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2870 		ha->gid_list_info_size = 8;
2871 		ha->optrom_size = OPTROM_SIZE_24XX;
2872 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2873 		ha->isp_ops = &qla24xx_isp_ops;
2874 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2875 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2876 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2877 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2878 	} else if (IS_QLA25XX(ha)) {
2879 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2880 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2881 		req_length = REQUEST_ENTRY_CNT_24XX;
2882 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2883 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2884 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2885 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2886 		ha->gid_list_info_size = 8;
2887 		ha->optrom_size = OPTROM_SIZE_25XX;
2888 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2889 		ha->isp_ops = &qla25xx_isp_ops;
2890 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2891 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2892 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2893 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2894 	} else if (IS_QLA81XX(ha)) {
2895 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2896 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2897 		req_length = REQUEST_ENTRY_CNT_24XX;
2898 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2899 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2900 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2901 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2902 		ha->gid_list_info_size = 8;
2903 		ha->optrom_size = OPTROM_SIZE_81XX;
2904 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2905 		ha->isp_ops = &qla81xx_isp_ops;
2906 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2907 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2908 		ha->nvram_conf_off = ~0;
2909 		ha->nvram_data_off = ~0;
2910 	} else if (IS_QLA82XX(ha)) {
2911 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2912 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2913 		req_length = REQUEST_ENTRY_CNT_82XX;
2914 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2915 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2916 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2917 		ha->gid_list_info_size = 8;
2918 		ha->optrom_size = OPTROM_SIZE_82XX;
2919 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2920 		ha->isp_ops = &qla82xx_isp_ops;
2921 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2922 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2923 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2924 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2925 	} else if (IS_QLA8044(ha)) {
2926 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2927 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2928 		req_length = REQUEST_ENTRY_CNT_82XX;
2929 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2930 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2931 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2932 		ha->gid_list_info_size = 8;
2933 		ha->optrom_size = OPTROM_SIZE_83XX;
2934 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2935 		ha->isp_ops = &qla8044_isp_ops;
2936 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2937 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2938 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2939 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2940 	} else if (IS_QLA83XX(ha)) {
2941 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2942 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2943 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2944 		req_length = REQUEST_ENTRY_CNT_83XX;
2945 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2946 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2947 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2948 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2949 		ha->gid_list_info_size = 8;
2950 		ha->optrom_size = OPTROM_SIZE_83XX;
2951 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2952 		ha->isp_ops = &qla83xx_isp_ops;
2953 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2954 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2955 		ha->nvram_conf_off = ~0;
2956 		ha->nvram_data_off = ~0;
2957 	}  else if (IS_QLAFX00(ha)) {
2958 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2959 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2960 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2961 		req_length = REQUEST_ENTRY_CNT_FX00;
2962 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
2963 		ha->isp_ops = &qlafx00_isp_ops;
2964 		ha->port_down_retry_count = 30; /* default value */
2965 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2966 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2967 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2968 		ha->mr.fw_hbt_en = 1;
2969 		ha->mr.host_info_resend = false;
2970 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2971 	} else if (IS_QLA27XX(ha)) {
2972 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2973 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2974 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2975 		req_length = REQUEST_ENTRY_CNT_83XX;
2976 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2977 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2978 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2979 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2980 		ha->gid_list_info_size = 8;
2981 		ha->optrom_size = OPTROM_SIZE_83XX;
2982 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2983 		ha->isp_ops = &qla27xx_isp_ops;
2984 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2985 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2986 		ha->nvram_conf_off = ~0;
2987 		ha->nvram_data_off = ~0;
2988 	}
2989 
2990 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2991 	    "mbx_count=%d, req_length=%d, "
2992 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2993 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2994 	    "max_fibre_devices=%d.\n",
2995 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2996 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2997 	    ha->nvram_npiv_size, ha->max_fibre_devices);
2998 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2999 	    "isp_ops=%p, flash_conf_off=%d, "
3000 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3001 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3002 	    ha->nvram_conf_off, ha->nvram_data_off);
3003 
3004 	/* Configure PCI I/O space */
3005 	ret = ha->isp_ops->iospace_config(ha);
3006 	if (ret)
3007 		goto iospace_config_failed;
3008 
3009 	ql_log_pci(ql_log_info, pdev, 0x001d,
3010 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3011 	    pdev->device, pdev->irq, ha->iobase);
3012 	mutex_init(&ha->vport_lock);
3013 	mutex_init(&ha->mq_lock);
3014 	init_completion(&ha->mbx_cmd_comp);
3015 	complete(&ha->mbx_cmd_comp);
3016 	init_completion(&ha->mbx_intr_comp);
3017 	init_completion(&ha->dcbx_comp);
3018 	init_completion(&ha->lb_portup_comp);
3019 
3020 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3021 
3022 	qla2x00_config_dma_addressing(ha);
3023 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3024 	    "64 Bit addressing is %s.\n",
3025 	    ha->flags.enable_64bit_addressing ? "enable" :
3026 	    "disable");
3027 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3028 	if (ret) {
3029 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3030 		    "Failed to allocate memory for adapter, aborting.\n");
3031 
3032 		goto probe_hw_failed;
3033 	}
3034 
3035 	req->max_q_depth = MAX_Q_DEPTH;
3036 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3037 		req->max_q_depth = ql2xmaxqdepth;
3038 
3039 
3040 	base_vha = qla2x00_create_host(sht, ha);
3041 	if (!base_vha) {
3042 		ret = -ENOMEM;
3043 		goto probe_hw_failed;
3044 	}
3045 
3046 	pci_set_drvdata(pdev, base_vha);
3047 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3048 
3049 	host = base_vha->host;
3050 	base_vha->req = req;
3051 	if (IS_QLA2XXX_MIDTYPE(ha))
3052 		base_vha->mgmt_svr_loop_id =
3053 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3054 	else
3055 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3056 						base_vha->vp_idx;
3057 
3058 	/* Setup fcport template structure. */
3059 	ha->mr.fcport.vha = base_vha;
3060 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3061 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3062 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3063 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3064 	ha->mr.fcport.scan_state = 1;
3065 
3066 	/* Set the SG table size based on ISP type */
3067 	if (!IS_FWI2_CAPABLE(ha)) {
3068 		if (IS_QLA2100(ha))
3069 			host->sg_tablesize = 32;
3070 	} else {
3071 		if (!IS_QLA82XX(ha))
3072 			host->sg_tablesize = QLA_SG_ALL;
3073 	}
3074 	host->max_id = ha->max_fibre_devices;
3075 	host->cmd_per_lun = 3;
3076 	host->unique_id = host->host_no;
3077 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3078 		host->max_cmd_len = 32;
3079 	else
3080 		host->max_cmd_len = MAX_CMDSZ;
3081 	host->max_channel = MAX_BUSES - 1;
3082 	/* Older HBAs support only 16-bit LUNs */
3083 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3084 	    ql2xmaxlun > 0xffff)
3085 		host->max_lun = 0xffff;
3086 	else
3087 		host->max_lun = ql2xmaxlun;
3088 	host->transportt = qla2xxx_transport_template;
3089 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3090 
3091 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3092 	    "max_id=%d this_id=%d "
3093 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3094 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3095 	    host->this_id, host->cmd_per_lun, host->unique_id,
3096 	    host->max_cmd_len, host->max_channel, host->max_lun,
3097 	    host->transportt, sht->vendor_id);
3098 
3099 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3100 
3101 	/* Set up the irqs */
3102 	ret = qla2x00_request_irqs(ha, rsp);
3103 	if (ret)
3104 		goto probe_failed;
3105 
3106 	/* Alloc arrays of request and response ring ptrs */
3107 	ret = qla2x00_alloc_queues(ha, req, rsp);
3108 	if (ret) {
3109 		ql_log(ql_log_fatal, base_vha, 0x003d,
3110 		    "Failed to allocate memory for queue pointers..."
3111 		    "aborting.\n");
3112 		goto probe_failed;
3113 	}
3114 
3115 	if (ha->mqenable && shost_use_blk_mq(host)) {
3116 		/* number of hardware queues supported by blk/scsi-mq*/
3117 		host->nr_hw_queues = ha->max_qpairs;
3118 
3119 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3120 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3121 	} else {
3122 		if (ql2xnvmeenable) {
3123 			host->nr_hw_queues = ha->max_qpairs;
3124 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3125 			    "FC-NVMe support is enabled, HW queues=%d\n",
3126 			    host->nr_hw_queues);
3127 		} else {
3128 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3129 			    "blk/scsi-mq disabled.\n");
3130 		}
3131 	}
3132 
3133 	qlt_probe_one_stage1(base_vha, ha);
3134 
3135 	pci_save_state(pdev);
3136 
3137 	/* Assign back pointers */
3138 	rsp->req = req;
3139 	req->rsp = rsp;
3140 
3141 	if (IS_QLAFX00(ha)) {
3142 		ha->rsp_q_map[0] = rsp;
3143 		ha->req_q_map[0] = req;
3144 		set_bit(0, ha->req_qid_map);
3145 		set_bit(0, ha->rsp_qid_map);
3146 	}
3147 
3148 	/* FWI2-capable only. */
3149 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3150 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3151 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3152 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3153 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3154 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3155 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3156 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3157 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3158 	}
3159 
3160 	if (IS_QLAFX00(ha)) {
3161 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3162 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3163 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3164 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3165 	}
3166 
3167 	if (IS_P3P_TYPE(ha)) {
3168 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3169 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3170 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3171 	}
3172 
3173 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3174 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3175 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3176 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3177 	    "req->req_q_in=%p req->req_q_out=%p "
3178 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3179 	    req->req_q_in, req->req_q_out,
3180 	    rsp->rsp_q_in, rsp->rsp_q_out);
3181 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3182 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3183 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3184 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3185 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3186 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3187 
3188 	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3189 
3190 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3191 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3192 		    "Failed to initialize adapter - Adapter flags %x.\n",
3193 		    base_vha->device_flags);
3194 
3195 		if (IS_QLA82XX(ha)) {
3196 			qla82xx_idc_lock(ha);
3197 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3198 				QLA8XXX_DEV_FAILED);
3199 			qla82xx_idc_unlock(ha);
3200 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3201 			    "HW State: FAILED.\n");
3202 		} else if (IS_QLA8044(ha)) {
3203 			qla8044_idc_lock(ha);
3204 			qla8044_wr_direct(base_vha,
3205 				QLA8044_CRB_DEV_STATE_INDEX,
3206 				QLA8XXX_DEV_FAILED);
3207 			qla8044_idc_unlock(ha);
3208 			ql_log(ql_log_fatal, base_vha, 0x0150,
3209 			    "HW State: FAILED.\n");
3210 		}
3211 
3212 		ret = -ENODEV;
3213 		goto probe_failed;
3214 	}
3215 
3216 	if (IS_QLAFX00(ha))
3217 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3218 	else
3219 		host->can_queue = req->num_outstanding_cmds - 10;
3220 
3221 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3222 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3223 	    host->can_queue, base_vha->req,
3224 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3225 
3226 	if (ha->mqenable) {
3227 		bool mq = false;
3228 		bool startit = false;
3229 
3230 		if (QLA_TGT_MODE_ENABLED()) {
3231 			mq = true;
3232 			startit = false;
3233 		}
3234 
3235 		if ((ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED) &&
3236 		    shost_use_blk_mq(host)) {
3237 			mq = true;
3238 			startit = true;
3239 		}
3240 
3241 		if (mq) {
3242 			/* Create start of day qpairs for Block MQ */
3243 			for (i = 0; i < ha->max_qpairs; i++)
3244 				qla2xxx_create_qpair(base_vha, 5, 0, startit);
3245 		}
3246 	}
3247 
3248 	if (ha->flags.running_gold_fw)
3249 		goto skip_dpc;
3250 
3251 	/*
3252 	 * Startup the kernel thread for this host adapter
3253 	 */
3254 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3255 	    "%s_dpc", base_vha->host_str);
3256 	if (IS_ERR(ha->dpc_thread)) {
3257 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3258 		    "Failed to start DPC thread.\n");
3259 		ret = PTR_ERR(ha->dpc_thread);
3260 		ha->dpc_thread = NULL;
3261 		goto probe_failed;
3262 	}
3263 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3264 	    "DPC thread started successfully.\n");
3265 
3266 	/*
3267 	 * If we're not coming up in initiator mode, we might sit for
3268 	 * a while without waking up the dpc thread, which leads to a
3269 	 * stuck process warning.  So just kick the dpc once here and
3270 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3271 	 */
3272 	qla2xxx_wake_dpc(base_vha);
3273 
3274 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3275 
3276 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3277 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3278 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3279 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3280 
3281 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3282 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3283 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3284 		INIT_WORK(&ha->idc_state_handler,
3285 		    qla83xx_idc_state_handler_work);
3286 		INIT_WORK(&ha->nic_core_unrecoverable,
3287 		    qla83xx_nic_core_unrecoverable_work);
3288 	}
3289 
3290 skip_dpc:
3291 	list_add_tail(&base_vha->list, &ha->vp_list);
3292 	base_vha->host->irq = ha->pdev->irq;
3293 
3294 	/* Initialized the timer */
3295 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3296 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3297 	    "Started qla2x00_timer with "
3298 	    "interval=%d.\n", WATCH_INTERVAL);
3299 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3300 	    "Detected hba at address=%p.\n",
3301 	    ha);
3302 
3303 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3304 		if (ha->fw_attributes & BIT_4) {
3305 			int prot = 0, guard;
3306 			base_vha->flags.difdix_supported = 1;
3307 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3308 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3309 			if (ql2xenabledif == 1)
3310 				prot = SHOST_DIX_TYPE0_PROTECTION;
3311 			scsi_host_set_prot(host,
3312 			    prot | SHOST_DIF_TYPE1_PROTECTION
3313 			    | SHOST_DIF_TYPE2_PROTECTION
3314 			    | SHOST_DIF_TYPE3_PROTECTION
3315 			    | SHOST_DIX_TYPE1_PROTECTION
3316 			    | SHOST_DIX_TYPE2_PROTECTION
3317 			    | SHOST_DIX_TYPE3_PROTECTION);
3318 
3319 			guard = SHOST_DIX_GUARD_CRC;
3320 
3321 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3322 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3323 				guard |= SHOST_DIX_GUARD_IP;
3324 
3325 			scsi_host_set_guard(host, guard);
3326 		} else
3327 			base_vha->flags.difdix_supported = 0;
3328 	}
3329 
3330 	ha->isp_ops->enable_intrs(ha);
3331 
3332 	if (IS_QLAFX00(ha)) {
3333 		ret = qlafx00_fx_disc(base_vha,
3334 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3335 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3336 		    QLA_SG_ALL : 128;
3337 	}
3338 
3339 	ret = scsi_add_host(host, &pdev->dev);
3340 	if (ret)
3341 		goto probe_failed;
3342 
3343 	base_vha->flags.init_done = 1;
3344 	base_vha->flags.online = 1;
3345 	ha->prev_minidump_failed = 0;
3346 
3347 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3348 	    "Init done and hba is online.\n");
3349 
3350 	if (qla_ini_mode_enabled(base_vha) ||
3351 		qla_dual_mode_enabled(base_vha))
3352 		scsi_scan_host(host);
3353 	else
3354 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3355 			"skipping scsi_scan_host() for non-initiator port\n");
3356 
3357 	qla2x00_alloc_sysfs_attr(base_vha);
3358 
3359 	if (IS_QLAFX00(ha)) {
3360 		ret = qlafx00_fx_disc(base_vha,
3361 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3362 
3363 		/* Register system information */
3364 		ret =  qlafx00_fx_disc(base_vha,
3365 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3366 	}
3367 
3368 	qla2x00_init_host_attr(base_vha);
3369 
3370 	qla2x00_dfs_setup(base_vha);
3371 
3372 	ql_log(ql_log_info, base_vha, 0x00fb,
3373 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3374 	ql_log(ql_log_info, base_vha, 0x00fc,
3375 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3376 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
3377 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3378 	    base_vha->host_no,
3379 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3380 
3381 	qlt_add_target(ha, base_vha);
3382 
3383 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3384 
3385 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3386 		return -ENODEV;
3387 
3388 	if (ha->flags.detected_lr_sfp) {
3389 		ql_log(ql_log_info, base_vha, 0xffff,
3390 		    "Reset chip to pick up LR SFP setting\n");
3391 		set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
3392 		qla2xxx_wake_dpc(base_vha);
3393 	}
3394 
3395 	return 0;
3396 
3397 probe_failed:
3398 	if (base_vha->timer_active)
3399 		qla2x00_stop_timer(base_vha);
3400 	base_vha->flags.online = 0;
3401 	if (ha->dpc_thread) {
3402 		struct task_struct *t = ha->dpc_thread;
3403 
3404 		ha->dpc_thread = NULL;
3405 		kthread_stop(t);
3406 	}
3407 
3408 	qla2x00_free_device(base_vha);
3409 	scsi_host_put(base_vha->host);
3410 	/*
3411 	 * Need to NULL out local req/rsp after
3412 	 * qla2x00_free_device => qla2x00_free_queues frees
3413 	 * what these are pointing to. Or else we'll
3414 	 * fall over below in qla2x00_free_req/rsp_que.
3415 	 */
3416 	req = NULL;
3417 	rsp = NULL;
3418 
3419 probe_hw_failed:
3420 	qla2x00_mem_free(ha);
3421 	qla2x00_free_req_que(ha, req);
3422 	qla2x00_free_rsp_que(ha, rsp);
3423 	qla2x00_clear_drv_active(ha);
3424 
3425 iospace_config_failed:
3426 	if (IS_P3P_TYPE(ha)) {
3427 		if (!ha->nx_pcibase)
3428 			iounmap((device_reg_t *)ha->nx_pcibase);
3429 		if (!ql2xdbwr)
3430 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3431 	} else {
3432 		if (ha->iobase)
3433 			iounmap(ha->iobase);
3434 		if (ha->cregbase)
3435 			iounmap(ha->cregbase);
3436 	}
3437 	pci_release_selected_regions(ha->pdev, ha->bars);
3438 	kfree(ha);
3439 
3440 disable_device:
3441 	pci_disable_device(pdev);
3442 	return ret;
3443 }
3444 
3445 static void
3446 qla2x00_shutdown(struct pci_dev *pdev)
3447 {
3448 	scsi_qla_host_t *vha;
3449 	struct qla_hw_data  *ha;
3450 
3451 	vha = pci_get_drvdata(pdev);
3452 	ha = vha->hw;
3453 
3454 	ql_log(ql_log_info, vha, 0xfffa,
3455 		"Adapter shutdown\n");
3456 
3457 	/*
3458 	 * Prevent future board_disable and wait
3459 	 * until any pending board_disable has completed.
3460 	 */
3461 	set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
3462 	cancel_work_sync(&ha->board_disable);
3463 
3464 	if (!atomic_read(&pdev->enable_cnt))
3465 		return;
3466 
3467 	/* Notify ISPFX00 firmware */
3468 	if (IS_QLAFX00(ha))
3469 		qlafx00_driver_shutdown(vha, 20);
3470 
3471 	/* Turn-off FCE trace */
3472 	if (ha->flags.fce_enabled) {
3473 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3474 		ha->flags.fce_enabled = 0;
3475 	}
3476 
3477 	/* Turn-off EFT trace */
3478 	if (ha->eft)
3479 		qla2x00_disable_eft_trace(vha);
3480 
3481 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3482 		if (ha->flags.fw_started)
3483 			qla2x00_abort_isp_cleanup(vha);
3484 	} else {
3485 		/* Stop currently executing firmware. */
3486 		qla2x00_try_to_stop_firmware(vha);
3487 	}
3488 
3489 	/* Turn adapter off line */
3490 	vha->flags.online = 0;
3491 
3492 	/* turn-off interrupts on the card */
3493 	if (ha->interrupts_on) {
3494 		vha->flags.init_done = 0;
3495 		ha->isp_ops->disable_intrs(ha);
3496 	}
3497 
3498 	qla2x00_free_irqs(vha);
3499 
3500 	qla2x00_free_fw_dump(ha);
3501 
3502 	pci_disable_device(pdev);
3503 	ql_log(ql_log_info, vha, 0xfffe,
3504 		"Adapter shutdown successfully.\n");
3505 }
3506 
3507 /* Deletes all the virtual ports for a given ha */
3508 static void
3509 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3510 {
3511 	scsi_qla_host_t *vha;
3512 	unsigned long flags;
3513 
3514 	mutex_lock(&ha->vport_lock);
3515 	while (ha->cur_vport_count) {
3516 		spin_lock_irqsave(&ha->vport_slock, flags);
3517 
3518 		BUG_ON(base_vha->list.next == &ha->vp_list);
3519 		/* This assumes first entry in ha->vp_list is always base vha */
3520 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3521 		scsi_host_get(vha->host);
3522 
3523 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3524 		mutex_unlock(&ha->vport_lock);
3525 
3526 		fc_vport_terminate(vha->fc_vport);
3527 		scsi_host_put(vha->host);
3528 
3529 		mutex_lock(&ha->vport_lock);
3530 	}
3531 	mutex_unlock(&ha->vport_lock);
3532 }
3533 
3534 /* Stops all deferred work threads */
3535 static void
3536 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3537 {
3538 	/* Cancel all work and destroy DPC workqueues */
3539 	if (ha->dpc_lp_wq) {
3540 		cancel_work_sync(&ha->idc_aen);
3541 		destroy_workqueue(ha->dpc_lp_wq);
3542 		ha->dpc_lp_wq = NULL;
3543 	}
3544 
3545 	if (ha->dpc_hp_wq) {
3546 		cancel_work_sync(&ha->nic_core_reset);
3547 		cancel_work_sync(&ha->idc_state_handler);
3548 		cancel_work_sync(&ha->nic_core_unrecoverable);
3549 		destroy_workqueue(ha->dpc_hp_wq);
3550 		ha->dpc_hp_wq = NULL;
3551 	}
3552 
3553 	/* Kill the kernel thread for this host */
3554 	if (ha->dpc_thread) {
3555 		struct task_struct *t = ha->dpc_thread;
3556 
3557 		/*
3558 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3559 		 * so we need to zero it out.
3560 		 */
3561 		ha->dpc_thread = NULL;
3562 		kthread_stop(t);
3563 	}
3564 }
3565 
3566 static void
3567 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3568 {
3569 	if (IS_QLA82XX(ha)) {
3570 
3571 		iounmap((device_reg_t *)ha->nx_pcibase);
3572 		if (!ql2xdbwr)
3573 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3574 	} else {
3575 		if (ha->iobase)
3576 			iounmap(ha->iobase);
3577 
3578 		if (ha->cregbase)
3579 			iounmap(ha->cregbase);
3580 
3581 		if (ha->mqiobase)
3582 			iounmap(ha->mqiobase);
3583 
3584 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3585 			iounmap(ha->msixbase);
3586 	}
3587 }
3588 
3589 static void
3590 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3591 {
3592 	if (IS_QLA8044(ha)) {
3593 		qla8044_idc_lock(ha);
3594 		qla8044_clear_drv_active(ha);
3595 		qla8044_idc_unlock(ha);
3596 	} else if (IS_QLA82XX(ha)) {
3597 		qla82xx_idc_lock(ha);
3598 		qla82xx_clear_drv_active(ha);
3599 		qla82xx_idc_unlock(ha);
3600 	}
3601 }
3602 
3603 static void
3604 qla2x00_remove_one(struct pci_dev *pdev)
3605 {
3606 	scsi_qla_host_t *base_vha;
3607 	struct qla_hw_data  *ha;
3608 
3609 	base_vha = pci_get_drvdata(pdev);
3610 	ha = base_vha->hw;
3611 	ql_log(ql_log_info, base_vha, 0xb079,
3612 	    "Removing driver\n");
3613 
3614 	/* Indicate device removal to prevent future board_disable and wait
3615 	 * until any pending board_disable has completed. */
3616 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3617 	cancel_work_sync(&ha->board_disable);
3618 
3619 	/*
3620 	 * If the PCI device is disabled then there was a PCI-disconnect and
3621 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3622 	 * resources.
3623 	 */
3624 	if (!atomic_read(&pdev->enable_cnt)) {
3625 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3626 		    base_vha->gnl.l, base_vha->gnl.ldma);
3627 
3628 		scsi_host_put(base_vha->host);
3629 		kfree(ha);
3630 		pci_set_drvdata(pdev, NULL);
3631 		return;
3632 	}
3633 	qla2x00_wait_for_hba_ready(base_vha);
3634 
3635 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3636 		if (ha->flags.fw_started)
3637 			qla2x00_abort_isp_cleanup(base_vha);
3638 	} else if (!IS_QLAFX00(ha)) {
3639 		if (IS_QLA8031(ha)) {
3640 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3641 			    "Clearing fcoe driver presence.\n");
3642 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3643 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3644 				    "Error while clearing DRV-Presence.\n");
3645 		}
3646 
3647 		qla2x00_try_to_stop_firmware(base_vha);
3648 	}
3649 
3650 	qla2x00_wait_for_sess_deletion(base_vha);
3651 
3652 	/*
3653 	 * if UNLOAD flag is already set, then continue unload,
3654 	 * where it was set first.
3655 	 */
3656 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3657 		return;
3658 
3659 	set_bit(UNLOADING, &base_vha->dpc_flags);
3660 
3661 	qla_nvme_delete(base_vha);
3662 
3663 	dma_free_coherent(&ha->pdev->dev,
3664 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3665 
3666 	vfree(base_vha->scan.l);
3667 
3668 	if (IS_QLAFX00(ha))
3669 		qlafx00_driver_shutdown(base_vha, 20);
3670 
3671 	qla2x00_delete_all_vps(ha, base_vha);
3672 
3673 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3674 
3675 	qla2x00_dfs_remove(base_vha);
3676 
3677 	qla84xx_put_chip(base_vha);
3678 
3679 	/* Disable timer */
3680 	if (base_vha->timer_active)
3681 		qla2x00_stop_timer(base_vha);
3682 
3683 	base_vha->flags.online = 0;
3684 
3685 	/* free DMA memory */
3686 	if (ha->exlogin_buf)
3687 		qla2x00_free_exlogin_buffer(ha);
3688 
3689 	/* free DMA memory */
3690 	if (ha->exchoffld_buf)
3691 		qla2x00_free_exchoffld_buffer(ha);
3692 
3693 	qla2x00_destroy_deferred_work(ha);
3694 
3695 	qlt_remove_target(ha, base_vha);
3696 
3697 	qla2x00_free_sysfs_attr(base_vha, true);
3698 
3699 	fc_remove_host(base_vha->host);
3700 	qlt_remove_target_resources(ha);
3701 
3702 	scsi_remove_host(base_vha->host);
3703 
3704 	qla2x00_free_device(base_vha);
3705 
3706 	qla2x00_clear_drv_active(ha);
3707 
3708 	scsi_host_put(base_vha->host);
3709 
3710 	qla2x00_unmap_iobases(ha);
3711 
3712 	pci_release_selected_regions(ha->pdev, ha->bars);
3713 	kfree(ha);
3714 
3715 	pci_disable_pcie_error_reporting(pdev);
3716 
3717 	pci_disable_device(pdev);
3718 }
3719 
3720 static void
3721 qla2x00_free_device(scsi_qla_host_t *vha)
3722 {
3723 	struct qla_hw_data *ha = vha->hw;
3724 
3725 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3726 
3727 	/* Disable timer */
3728 	if (vha->timer_active)
3729 		qla2x00_stop_timer(vha);
3730 
3731 	qla25xx_delete_queues(vha);
3732 	vha->flags.online = 0;
3733 
3734 	/* turn-off interrupts on the card */
3735 	if (ha->interrupts_on) {
3736 		vha->flags.init_done = 0;
3737 		ha->isp_ops->disable_intrs(ha);
3738 	}
3739 
3740 	qla2x00_free_fcports(vha);
3741 
3742 	qla2x00_free_irqs(vha);
3743 
3744 	/* Flush the work queue and remove it */
3745 	if (ha->wq) {
3746 		flush_workqueue(ha->wq);
3747 		destroy_workqueue(ha->wq);
3748 		ha->wq = NULL;
3749 	}
3750 
3751 
3752 	qla2x00_mem_free(ha);
3753 
3754 	qla82xx_md_free(vha);
3755 
3756 	qla2x00_free_queues(ha);
3757 }
3758 
3759 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3760 {
3761 	fc_port_t *fcport, *tfcport;
3762 
3763 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3764 		list_del(&fcport->list);
3765 		qla2x00_clear_loop_id(fcport);
3766 		kfree(fcport);
3767 	}
3768 }
3769 
3770 static inline void
3771 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3772     int defer)
3773 {
3774 	struct fc_rport *rport;
3775 	scsi_qla_host_t *base_vha;
3776 	unsigned long flags;
3777 
3778 	if (!fcport->rport)
3779 		return;
3780 
3781 	rport = fcport->rport;
3782 	if (defer) {
3783 		base_vha = pci_get_drvdata(vha->hw->pdev);
3784 		spin_lock_irqsave(vha->host->host_lock, flags);
3785 		fcport->drport = rport;
3786 		spin_unlock_irqrestore(vha->host->host_lock, flags);
3787 		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3788 		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3789 		qla2xxx_wake_dpc(base_vha);
3790 	} else {
3791 		int now;
3792 		if (rport) {
3793 			ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3794 			    "%s %8phN. rport %p roles %x\n",
3795 			    __func__, fcport->port_name, rport,
3796 			    rport->roles);
3797 			fc_remote_port_delete(rport);
3798 		}
3799 		qlt_do_generation_tick(vha, &now);
3800 	}
3801 }
3802 
3803 /*
3804  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3805  *
3806  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3807  *
3808  * Return: None.
3809  *
3810  * Context:
3811  */
3812 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3813     int do_login, int defer)
3814 {
3815 	if (IS_QLAFX00(vha->hw)) {
3816 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3817 		qla2x00_schedule_rport_del(vha, fcport, defer);
3818 		return;
3819 	}
3820 
3821 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3822 	    vha->vp_idx == fcport->vha->vp_idx) {
3823 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3824 		qla2x00_schedule_rport_del(vha, fcport, defer);
3825 	}
3826 	/*
3827 	 * We may need to retry the login, so don't change the state of the
3828 	 * port but do the retries.
3829 	 */
3830 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3831 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3832 
3833 	if (!do_login)
3834 		return;
3835 
3836 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3837 }
3838 
3839 /*
3840  * qla2x00_mark_all_devices_lost
3841  *	Updates fcport state when device goes offline.
3842  *
3843  * Input:
3844  *	ha = adapter block pointer.
3845  *	fcport = port structure pointer.
3846  *
3847  * Return:
3848  *	None.
3849  *
3850  * Context:
3851  */
3852 void
3853 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3854 {
3855 	fc_port_t *fcport;
3856 
3857 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3858 	    "Mark all dev lost\n");
3859 
3860 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3861 		fcport->scan_state = 0;
3862 		qlt_schedule_sess_for_deletion(fcport);
3863 
3864 		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3865 			continue;
3866 
3867 		/*
3868 		 * No point in marking the device as lost, if the device is
3869 		 * already DEAD.
3870 		 */
3871 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3872 			continue;
3873 		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3874 			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3875 			if (defer)
3876 				qla2x00_schedule_rport_del(vha, fcport, defer);
3877 			else if (vha->vp_idx == fcport->vha->vp_idx)
3878 				qla2x00_schedule_rport_del(vha, fcport, defer);
3879 		}
3880 	}
3881 }
3882 
3883 /*
3884 * qla2x00_mem_alloc
3885 *      Allocates adapter memory.
3886 *
3887 * Returns:
3888 *      0  = success.
3889 *      !0  = failure.
3890 */
3891 static int
3892 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3893 	struct req_que **req, struct rsp_que **rsp)
3894 {
3895 	char	name[16];
3896 
3897 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3898 		&ha->init_cb_dma, GFP_KERNEL);
3899 	if (!ha->init_cb)
3900 		goto fail;
3901 
3902 	if (qlt_mem_alloc(ha) < 0)
3903 		goto fail_free_init_cb;
3904 
3905 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3906 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3907 	if (!ha->gid_list)
3908 		goto fail_free_tgt_mem;
3909 
3910 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3911 	if (!ha->srb_mempool)
3912 		goto fail_free_gid_list;
3913 
3914 	if (IS_P3P_TYPE(ha)) {
3915 		/* Allocate cache for CT6 Ctx. */
3916 		if (!ctx_cachep) {
3917 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3918 				sizeof(struct ct6_dsd), 0,
3919 				SLAB_HWCACHE_ALIGN, NULL);
3920 			if (!ctx_cachep)
3921 				goto fail_free_srb_mempool;
3922 		}
3923 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3924 			ctx_cachep);
3925 		if (!ha->ctx_mempool)
3926 			goto fail_free_srb_mempool;
3927 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3928 		    "ctx_cachep=%p ctx_mempool=%p.\n",
3929 		    ctx_cachep, ha->ctx_mempool);
3930 	}
3931 
3932 	/* Get memory for cached NVRAM */
3933 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3934 	if (!ha->nvram)
3935 		goto fail_free_ctx_mempool;
3936 
3937 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3938 		ha->pdev->device);
3939 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3940 		DMA_POOL_SIZE, 8, 0);
3941 	if (!ha->s_dma_pool)
3942 		goto fail_free_nvram;
3943 
3944 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3945 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3946 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3947 
3948 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3949 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3950 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
3951 		if (!ha->dl_dma_pool) {
3952 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3953 			    "Failed to allocate memory for dl_dma_pool.\n");
3954 			goto fail_s_dma_pool;
3955 		}
3956 
3957 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3958 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
3959 		if (!ha->fcp_cmnd_dma_pool) {
3960 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3961 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3962 			goto fail_dl_dma_pool;
3963 		}
3964 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3965 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3966 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3967 	}
3968 
3969 	/* Allocate memory for SNS commands */
3970 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3971 	/* Get consistent memory allocated for SNS commands */
3972 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3973 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3974 		if (!ha->sns_cmd)
3975 			goto fail_dma_pool;
3976 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3977 		    "sns_cmd: %p.\n", ha->sns_cmd);
3978 	} else {
3979 	/* Get consistent memory allocated for MS IOCB */
3980 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3981 			&ha->ms_iocb_dma);
3982 		if (!ha->ms_iocb)
3983 			goto fail_dma_pool;
3984 	/* Get consistent memory allocated for CT SNS commands */
3985 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3986 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3987 		if (!ha->ct_sns)
3988 			goto fail_free_ms_iocb;
3989 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3990 		    "ms_iocb=%p ct_sns=%p.\n",
3991 		    ha->ms_iocb, ha->ct_sns);
3992 	}
3993 
3994 	/* Allocate memory for request ring */
3995 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3996 	if (!*req) {
3997 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3998 		    "Failed to allocate memory for req.\n");
3999 		goto fail_req;
4000 	}
4001 	(*req)->length = req_len;
4002 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4003 		((*req)->length + 1) * sizeof(request_t),
4004 		&(*req)->dma, GFP_KERNEL);
4005 	if (!(*req)->ring) {
4006 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4007 		    "Failed to allocate memory for req_ring.\n");
4008 		goto fail_req_ring;
4009 	}
4010 	/* Allocate memory for response ring */
4011 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4012 	if (!*rsp) {
4013 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4014 		    "Failed to allocate memory for rsp.\n");
4015 		goto fail_rsp;
4016 	}
4017 	(*rsp)->hw = ha;
4018 	(*rsp)->length = rsp_len;
4019 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4020 		((*rsp)->length + 1) * sizeof(response_t),
4021 		&(*rsp)->dma, GFP_KERNEL);
4022 	if (!(*rsp)->ring) {
4023 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4024 		    "Failed to allocate memory for rsp_ring.\n");
4025 		goto fail_rsp_ring;
4026 	}
4027 	(*req)->rsp = *rsp;
4028 	(*rsp)->req = *req;
4029 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4030 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4031 	    "rsp->length=%d rsp->ring=%p.\n",
4032 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4033 	    (*rsp)->ring);
4034 	/* Allocate memory for NVRAM data for vports */
4035 	if (ha->nvram_npiv_size) {
4036 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4037 					sizeof(struct qla_npiv_entry),
4038 					GFP_KERNEL);
4039 		if (!ha->npiv_info) {
4040 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4041 			    "Failed to allocate memory for npiv_info.\n");
4042 			goto fail_npiv_info;
4043 		}
4044 	} else
4045 		ha->npiv_info = NULL;
4046 
4047 	/* Get consistent memory allocated for EX-INIT-CB. */
4048 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
4049 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4050 		    &ha->ex_init_cb_dma);
4051 		if (!ha->ex_init_cb)
4052 			goto fail_ex_init_cb;
4053 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4054 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4055 	}
4056 
4057 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4058 
4059 	/* Get consistent memory allocated for Async Port-Database. */
4060 	if (!IS_FWI2_CAPABLE(ha)) {
4061 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4062 			&ha->async_pd_dma);
4063 		if (!ha->async_pd)
4064 			goto fail_async_pd;
4065 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4066 		    "async_pd=%p.\n", ha->async_pd);
4067 	}
4068 
4069 	INIT_LIST_HEAD(&ha->vp_list);
4070 
4071 	/* Allocate memory for our loop_id bitmap */
4072 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4073 				  sizeof(long),
4074 				  GFP_KERNEL);
4075 	if (!ha->loop_id_map)
4076 		goto fail_loop_id_map;
4077 	else {
4078 		qla2x00_set_reserved_loop_ids(ha);
4079 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4080 		    "loop_id_map=%p.\n", ha->loop_id_map);
4081 	}
4082 
4083 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4084 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4085 	if (!ha->sfp_data) {
4086 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4087 		    "Unable to allocate memory for SFP read-data.\n");
4088 		goto fail_sfp_data;
4089 	}
4090 
4091 	return 0;
4092 
4093 fail_sfp_data:
4094 	kfree(ha->loop_id_map);
4095 fail_loop_id_map:
4096 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4097 fail_async_pd:
4098 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4099 fail_ex_init_cb:
4100 	kfree(ha->npiv_info);
4101 fail_npiv_info:
4102 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4103 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4104 	(*rsp)->ring = NULL;
4105 	(*rsp)->dma = 0;
4106 fail_rsp_ring:
4107 	kfree(*rsp);
4108 	*rsp = NULL;
4109 fail_rsp:
4110 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4111 		sizeof(request_t), (*req)->ring, (*req)->dma);
4112 	(*req)->ring = NULL;
4113 	(*req)->dma = 0;
4114 fail_req_ring:
4115 	kfree(*req);
4116 	*req = NULL;
4117 fail_req:
4118 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4119 		ha->ct_sns, ha->ct_sns_dma);
4120 	ha->ct_sns = NULL;
4121 	ha->ct_sns_dma = 0;
4122 fail_free_ms_iocb:
4123 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4124 	ha->ms_iocb = NULL;
4125 	ha->ms_iocb_dma = 0;
4126 
4127 	if (ha->sns_cmd)
4128 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4129 		    ha->sns_cmd, ha->sns_cmd_dma);
4130 fail_dma_pool:
4131 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4132 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4133 		ha->fcp_cmnd_dma_pool = NULL;
4134 	}
4135 fail_dl_dma_pool:
4136 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4137 		dma_pool_destroy(ha->dl_dma_pool);
4138 		ha->dl_dma_pool = NULL;
4139 	}
4140 fail_s_dma_pool:
4141 	dma_pool_destroy(ha->s_dma_pool);
4142 	ha->s_dma_pool = NULL;
4143 fail_free_nvram:
4144 	kfree(ha->nvram);
4145 	ha->nvram = NULL;
4146 fail_free_ctx_mempool:
4147 	if (ha->ctx_mempool)
4148 		mempool_destroy(ha->ctx_mempool);
4149 	ha->ctx_mempool = NULL;
4150 fail_free_srb_mempool:
4151 	if (ha->srb_mempool)
4152 		mempool_destroy(ha->srb_mempool);
4153 	ha->srb_mempool = NULL;
4154 fail_free_gid_list:
4155 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4156 	ha->gid_list,
4157 	ha->gid_list_dma);
4158 	ha->gid_list = NULL;
4159 	ha->gid_list_dma = 0;
4160 fail_free_tgt_mem:
4161 	qlt_mem_free(ha);
4162 fail_free_init_cb:
4163 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4164 	ha->init_cb_dma);
4165 	ha->init_cb = NULL;
4166 	ha->init_cb_dma = 0;
4167 fail:
4168 	ql_log(ql_log_fatal, NULL, 0x0030,
4169 	    "Memory allocation failure.\n");
4170 	return -ENOMEM;
4171 }
4172 
4173 int
4174 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4175 {
4176 	int rval;
4177 	uint16_t	size, max_cnt, temp;
4178 	struct qla_hw_data *ha = vha->hw;
4179 
4180 	/* Return if we don't need to alloacate any extended logins */
4181 	if (!ql2xexlogins)
4182 		return QLA_SUCCESS;
4183 
4184 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4185 		return QLA_SUCCESS;
4186 
4187 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4188 	max_cnt = 0;
4189 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4190 	if (rval != QLA_SUCCESS) {
4191 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4192 		    "Failed to get exlogin status.\n");
4193 		return rval;
4194 	}
4195 
4196 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4197 	temp *= size;
4198 
4199 	if (temp != ha->exlogin_size) {
4200 		qla2x00_free_exlogin_buffer(ha);
4201 		ha->exlogin_size = temp;
4202 
4203 		ql_log(ql_log_info, vha, 0xd024,
4204 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4205 		    max_cnt, size, temp);
4206 
4207 		ql_log(ql_log_info, vha, 0xd025,
4208 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4209 
4210 		/* Get consistent memory for extended logins */
4211 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4212 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4213 		if (!ha->exlogin_buf) {
4214 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4215 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4216 			return -ENOMEM;
4217 		}
4218 	}
4219 
4220 	/* Now configure the dma buffer */
4221 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4222 	if (rval) {
4223 		ql_log(ql_log_fatal, vha, 0xd033,
4224 		    "Setup extended login buffer  ****FAILED****.\n");
4225 		qla2x00_free_exlogin_buffer(ha);
4226 	}
4227 
4228 	return rval;
4229 }
4230 
4231 /*
4232 * qla2x00_free_exlogin_buffer
4233 *
4234 * Input:
4235 *	ha = adapter block pointer
4236 */
4237 void
4238 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4239 {
4240 	if (ha->exlogin_buf) {
4241 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4242 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4243 		ha->exlogin_buf = NULL;
4244 		ha->exlogin_size = 0;
4245 	}
4246 }
4247 
4248 static void
4249 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4250 {
4251 	u32 temp;
4252 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4253 
4254 	if (max_cnt > vha->hw->max_exchg)
4255 		max_cnt = vha->hw->max_exchg;
4256 
4257 	if (qla_ini_mode_enabled(vha)) {
4258 		if (ql2xiniexchg > max_cnt)
4259 			ql2xiniexchg = max_cnt;
4260 
4261 		if (ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4262 			*ret_cnt = ql2xiniexchg;
4263 	} else if (qla_tgt_mode_enabled(vha)) {
4264 		if (ql2xexchoffld > max_cnt)
4265 			ql2xexchoffld = max_cnt;
4266 
4267 		if (ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4268 			*ret_cnt = ql2xexchoffld;
4269 	} else if (qla_dual_mode_enabled(vha)) {
4270 		temp = ql2xiniexchg + ql2xexchoffld;
4271 		if (temp > max_cnt) {
4272 			ql2xiniexchg -= (temp - max_cnt)/2;
4273 			ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4274 			temp = max_cnt;
4275 		}
4276 
4277 		if (temp > FW_DEF_EXCHANGES_CNT)
4278 			*ret_cnt = temp;
4279 	}
4280 }
4281 
4282 int
4283 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4284 {
4285 	int rval;
4286 	u16	size, max_cnt;
4287 	u32 actual_cnt, totsz;
4288 	struct qla_hw_data *ha = vha->hw;
4289 
4290 	if (!ha->flags.exchoffld_enabled)
4291 		return QLA_SUCCESS;
4292 
4293 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4294 		return QLA_SUCCESS;
4295 
4296 	max_cnt = 0;
4297 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4298 	if (rval != QLA_SUCCESS) {
4299 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4300 		    "Failed to get exlogin status.\n");
4301 		return rval;
4302 	}
4303 
4304 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4305 	ql_log(ql_log_info, vha, 0xd014,
4306 	    "Actual exchange offload count: %d.\n", actual_cnt);
4307 
4308 	totsz = actual_cnt * size;
4309 
4310 	if (totsz != ha->exchoffld_size) {
4311 		qla2x00_free_exchoffld_buffer(ha);
4312 		ha->exchoffld_size = totsz;
4313 
4314 		ql_log(ql_log_info, vha, 0xd016,
4315 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4316 		    max_cnt, actual_cnt, size, totsz);
4317 
4318 		ql_log(ql_log_info, vha, 0xd017,
4319 		    "Exchange Buffers requested size = 0x%x\n",
4320 		    ha->exchoffld_size);
4321 
4322 		/* Get consistent memory for extended logins */
4323 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4324 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4325 		if (!ha->exchoffld_buf) {
4326 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4327 			"Failed to allocate memory for Exchange Offload.\n");
4328 
4329 			if (ha->max_exchg >
4330 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4331 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4332 			} else if (ha->max_exchg >
4333 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4334 				ha->max_exchg -= 512;
4335 			} else {
4336 				ha->flags.exchoffld_enabled = 0;
4337 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4338 				    "Disabling Exchange offload due to lack of memory\n");
4339 			}
4340 			ha->exchoffld_size = 0;
4341 
4342 			return -ENOMEM;
4343 		}
4344 	}
4345 
4346 	/* Now configure the dma buffer */
4347 	rval = qla_set_exchoffld_mem_cfg(vha);
4348 	if (rval) {
4349 		ql_log(ql_log_fatal, vha, 0xd02e,
4350 		    "Setup exchange offload buffer ****FAILED****.\n");
4351 		qla2x00_free_exchoffld_buffer(ha);
4352 	} else {
4353 		/* re-adjust number of target exchange */
4354 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4355 
4356 		if (qla_ini_mode_enabled(vha))
4357 			icb->exchange_count = 0;
4358 		else
4359 			icb->exchange_count = cpu_to_le16(ql2xexchoffld);
4360 	}
4361 
4362 	return rval;
4363 }
4364 
4365 /*
4366 * qla2x00_free_exchoffld_buffer
4367 *
4368 * Input:
4369 *	ha = adapter block pointer
4370 */
4371 void
4372 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4373 {
4374 	if (ha->exchoffld_buf) {
4375 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4376 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4377 		ha->exchoffld_buf = NULL;
4378 		ha->exchoffld_size = 0;
4379 	}
4380 }
4381 
4382 /*
4383 * qla2x00_free_fw_dump
4384 *	Frees fw dump stuff.
4385 *
4386 * Input:
4387 *	ha = adapter block pointer
4388 */
4389 static void
4390 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4391 {
4392 	if (ha->fce)
4393 		dma_free_coherent(&ha->pdev->dev,
4394 		    FCE_SIZE, ha->fce, ha->fce_dma);
4395 
4396 	if (ha->eft)
4397 		dma_free_coherent(&ha->pdev->dev,
4398 		    EFT_SIZE, ha->eft, ha->eft_dma);
4399 
4400 	if (ha->fw_dump)
4401 		vfree(ha->fw_dump);
4402 	if (ha->fw_dump_template)
4403 		vfree(ha->fw_dump_template);
4404 
4405 	ha->fce = NULL;
4406 	ha->fce_dma = 0;
4407 	ha->eft = NULL;
4408 	ha->eft_dma = 0;
4409 	ha->fw_dumped = 0;
4410 	ha->fw_dump_cap_flags = 0;
4411 	ha->fw_dump_reading = 0;
4412 	ha->fw_dump = NULL;
4413 	ha->fw_dump_len = 0;
4414 	ha->fw_dump_template = NULL;
4415 	ha->fw_dump_template_len = 0;
4416 }
4417 
4418 /*
4419 * qla2x00_mem_free
4420 *      Frees all adapter allocated memory.
4421 *
4422 * Input:
4423 *      ha = adapter block pointer.
4424 */
4425 static void
4426 qla2x00_mem_free(struct qla_hw_data *ha)
4427 {
4428 	qla2x00_free_fw_dump(ha);
4429 
4430 	if (ha->mctp_dump)
4431 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4432 		    ha->mctp_dump_dma);
4433 
4434 	if (ha->srb_mempool)
4435 		mempool_destroy(ha->srb_mempool);
4436 
4437 	if (ha->dcbx_tlv)
4438 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4439 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4440 
4441 	if (ha->xgmac_data)
4442 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4443 		    ha->xgmac_data, ha->xgmac_data_dma);
4444 
4445 	if (ha->sns_cmd)
4446 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4447 		ha->sns_cmd, ha->sns_cmd_dma);
4448 
4449 	if (ha->ct_sns)
4450 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4451 		ha->ct_sns, ha->ct_sns_dma);
4452 
4453 	if (ha->sfp_data)
4454 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4455 		    ha->sfp_data_dma);
4456 
4457 	if (ha->ms_iocb)
4458 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4459 
4460 	if (ha->ex_init_cb)
4461 		dma_pool_free(ha->s_dma_pool,
4462 			ha->ex_init_cb, ha->ex_init_cb_dma);
4463 
4464 	if (ha->async_pd)
4465 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4466 
4467 	if (ha->s_dma_pool)
4468 		dma_pool_destroy(ha->s_dma_pool);
4469 
4470 	if (ha->gid_list)
4471 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4472 		ha->gid_list, ha->gid_list_dma);
4473 
4474 	if (IS_QLA82XX(ha)) {
4475 		if (!list_empty(&ha->gbl_dsd_list)) {
4476 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4477 
4478 			/* clean up allocated prev pool */
4479 			list_for_each_entry_safe(dsd_ptr,
4480 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4481 				dma_pool_free(ha->dl_dma_pool,
4482 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4483 				list_del(&dsd_ptr->list);
4484 				kfree(dsd_ptr);
4485 			}
4486 		}
4487 	}
4488 
4489 	if (ha->dl_dma_pool)
4490 		dma_pool_destroy(ha->dl_dma_pool);
4491 
4492 	if (ha->fcp_cmnd_dma_pool)
4493 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4494 
4495 	if (ha->ctx_mempool)
4496 		mempool_destroy(ha->ctx_mempool);
4497 
4498 	qlt_mem_free(ha);
4499 
4500 	if (ha->init_cb)
4501 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4502 			ha->init_cb, ha->init_cb_dma);
4503 
4504 	vfree(ha->optrom_buffer);
4505 	kfree(ha->nvram);
4506 	kfree(ha->npiv_info);
4507 	kfree(ha->swl);
4508 	kfree(ha->loop_id_map);
4509 
4510 	ha->srb_mempool = NULL;
4511 	ha->ctx_mempool = NULL;
4512 	ha->sns_cmd = NULL;
4513 	ha->sns_cmd_dma = 0;
4514 	ha->ct_sns = NULL;
4515 	ha->ct_sns_dma = 0;
4516 	ha->ms_iocb = NULL;
4517 	ha->ms_iocb_dma = 0;
4518 	ha->init_cb = NULL;
4519 	ha->init_cb_dma = 0;
4520 	ha->ex_init_cb = NULL;
4521 	ha->ex_init_cb_dma = 0;
4522 	ha->async_pd = NULL;
4523 	ha->async_pd_dma = 0;
4524 	ha->loop_id_map = NULL;
4525 	ha->npiv_info = NULL;
4526 	ha->optrom_buffer = NULL;
4527 	ha->swl = NULL;
4528 	ha->nvram = NULL;
4529 	ha->mctp_dump = NULL;
4530 	ha->dcbx_tlv = NULL;
4531 	ha->xgmac_data = NULL;
4532 	ha->sfp_data = NULL;
4533 
4534 	ha->s_dma_pool = NULL;
4535 	ha->dl_dma_pool = NULL;
4536 	ha->fcp_cmnd_dma_pool = NULL;
4537 
4538 	ha->gid_list = NULL;
4539 	ha->gid_list_dma = 0;
4540 
4541 	ha->tgt.atio_ring = NULL;
4542 	ha->tgt.atio_dma = 0;
4543 	ha->tgt.tgt_vp_map = NULL;
4544 }
4545 
4546 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4547 						struct qla_hw_data *ha)
4548 {
4549 	struct Scsi_Host *host;
4550 	struct scsi_qla_host *vha = NULL;
4551 
4552 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4553 	if (!host) {
4554 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4555 		    "Failed to allocate host from the scsi layer, aborting.\n");
4556 		return NULL;
4557 	}
4558 
4559 	/* Clear our data area */
4560 	vha = shost_priv(host);
4561 	memset(vha, 0, sizeof(scsi_qla_host_t));
4562 
4563 	vha->host = host;
4564 	vha->host_no = host->host_no;
4565 	vha->hw = ha;
4566 
4567 	INIT_LIST_HEAD(&vha->vp_fcports);
4568 	INIT_LIST_HEAD(&vha->work_list);
4569 	INIT_LIST_HEAD(&vha->list);
4570 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4571 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4572 	INIT_LIST_HEAD(&vha->logo_list);
4573 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4574 	INIT_LIST_HEAD(&vha->qp_list);
4575 	INIT_LIST_HEAD(&vha->gnl.fcports);
4576 	INIT_LIST_HEAD(&vha->nvme_rport_list);
4577 	INIT_LIST_HEAD(&vha->gpnid_list);
4578 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4579 
4580 	spin_lock_init(&vha->work_lock);
4581 	spin_lock_init(&vha->cmd_list_lock);
4582 	spin_lock_init(&vha->gnl.fcports_lock);
4583 	init_waitqueue_head(&vha->fcport_waitQ);
4584 	init_waitqueue_head(&vha->vref_waitq);
4585 
4586 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4587 			(ha->max_loop_id + 1);
4588 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4589 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4590 	if (!vha->gnl.l) {
4591 		ql_log(ql_log_fatal, vha, 0xd04a,
4592 		    "Alloc failed for name list.\n");
4593 		scsi_remove_host(vha->host);
4594 		return NULL;
4595 	}
4596 
4597 	/* todo: what about ext login? */
4598 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4599 	vha->scan.l = vmalloc(vha->scan.size);
4600 	if (!vha->scan.l) {
4601 		ql_log(ql_log_fatal, vha, 0xd04a,
4602 		    "Alloc failed for scan database.\n");
4603 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4604 		    vha->gnl.l, vha->gnl.ldma);
4605 		scsi_remove_host(vha->host);
4606 		return NULL;
4607 	}
4608 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4609 
4610 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4611 	ql_dbg(ql_dbg_init, vha, 0x0041,
4612 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4613 	    vha->host, vha->hw, vha,
4614 	    dev_name(&(ha->pdev->dev)));
4615 
4616 	return vha;
4617 }
4618 
4619 struct qla_work_evt *
4620 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4621 {
4622 	struct qla_work_evt *e;
4623 	uint8_t bail;
4624 
4625 	QLA_VHA_MARK_BUSY(vha, bail);
4626 	if (bail)
4627 		return NULL;
4628 
4629 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4630 	if (!e) {
4631 		QLA_VHA_MARK_NOT_BUSY(vha);
4632 		return NULL;
4633 	}
4634 
4635 	INIT_LIST_HEAD(&e->list);
4636 	e->type = type;
4637 	e->flags = QLA_EVT_FLAG_FREE;
4638 	return e;
4639 }
4640 
4641 int
4642 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4643 {
4644 	unsigned long flags;
4645 	bool q = false;
4646 
4647 	spin_lock_irqsave(&vha->work_lock, flags);
4648 	list_add_tail(&e->list, &vha->work_list);
4649 
4650 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4651 		q = true;
4652 
4653 	spin_unlock_irqrestore(&vha->work_lock, flags);
4654 
4655 	if (q)
4656 		queue_work(vha->hw->wq, &vha->iocb_work);
4657 
4658 	return QLA_SUCCESS;
4659 }
4660 
4661 int
4662 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4663     u32 data)
4664 {
4665 	struct qla_work_evt *e;
4666 
4667 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4668 	if (!e)
4669 		return QLA_FUNCTION_FAILED;
4670 
4671 	e->u.aen.code = code;
4672 	e->u.aen.data = data;
4673 	return qla2x00_post_work(vha, e);
4674 }
4675 
4676 int
4677 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4678 {
4679 	struct qla_work_evt *e;
4680 
4681 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4682 	if (!e)
4683 		return QLA_FUNCTION_FAILED;
4684 
4685 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4686 	return qla2x00_post_work(vha, e);
4687 }
4688 
4689 #define qla2x00_post_async_work(name, type)	\
4690 int qla2x00_post_async_##name##_work(		\
4691     struct scsi_qla_host *vha,			\
4692     fc_port_t *fcport, uint16_t *data)		\
4693 {						\
4694 	struct qla_work_evt *e;			\
4695 						\
4696 	e = qla2x00_alloc_work(vha, type);	\
4697 	if (!e)					\
4698 		return QLA_FUNCTION_FAILED;	\
4699 						\
4700 	e->u.logio.fcport = fcport;		\
4701 	if (data) {				\
4702 		e->u.logio.data[0] = data[0];	\
4703 		e->u.logio.data[1] = data[1];	\
4704 	}					\
4705 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4706 	return qla2x00_post_work(vha, e);	\
4707 }
4708 
4709 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4710 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4711 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4712 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4713 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4714 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4715 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4716 
4717 int
4718 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4719 {
4720 	struct qla_work_evt *e;
4721 
4722 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4723 	if (!e)
4724 		return QLA_FUNCTION_FAILED;
4725 
4726 	e->u.uevent.code = code;
4727 	return qla2x00_post_work(vha, e);
4728 }
4729 
4730 static void
4731 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4732 {
4733 	char event_string[40];
4734 	char *envp[] = { event_string, NULL };
4735 
4736 	switch (code) {
4737 	case QLA_UEVENT_CODE_FW_DUMP:
4738 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4739 		    vha->host_no);
4740 		break;
4741 	default:
4742 		/* do nothing */
4743 		break;
4744 	}
4745 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4746 }
4747 
4748 int
4749 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4750 			uint32_t *data, int cnt)
4751 {
4752 	struct qla_work_evt *e;
4753 
4754 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4755 	if (!e)
4756 		return QLA_FUNCTION_FAILED;
4757 
4758 	e->u.aenfx.evtcode = evtcode;
4759 	e->u.aenfx.count = cnt;
4760 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
4761 	return qla2x00_post_work(vha, e);
4762 }
4763 
4764 int qla24xx_post_upd_fcport_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4765 {
4766 	struct qla_work_evt *e;
4767 
4768 	e = qla2x00_alloc_work(vha, QLA_EVT_UPD_FCPORT);
4769 	if (!e)
4770 		return QLA_FUNCTION_FAILED;
4771 
4772 	e->u.fcport.fcport = fcport;
4773 	return qla2x00_post_work(vha, e);
4774 }
4775 
4776 static
4777 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
4778 {
4779 	unsigned long flags;
4780 	fc_port_t *fcport =  NULL, *tfcp;
4781 	struct qlt_plogi_ack_t *pla =
4782 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
4783 	uint8_t free_fcport = 0;
4784 
4785 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4786 	    "%s %d %8phC enter\n",
4787 	    __func__, __LINE__, e->u.new_sess.port_name);
4788 
4789 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4790 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
4791 	if (fcport) {
4792 		fcport->d_id = e->u.new_sess.id;
4793 		if (pla) {
4794 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4795 			memcpy(fcport->node_name,
4796 			    pla->iocb.u.isp24.u.plogi.node_name,
4797 			    WWN_SIZE);
4798 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
4799 			/* we took an extra ref_count to prevent PLOGI ACK when
4800 			 * fcport/sess has not been created.
4801 			 */
4802 			pla->ref_count--;
4803 		}
4804 	} else {
4805 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4806 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4807 		if (fcport) {
4808 			fcport->d_id = e->u.new_sess.id;
4809 			fcport->flags |= FCF_FABRIC_DEVICE;
4810 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4811 			if (e->u.new_sess.fc4_type == FS_FC4TYPE_FCP)
4812 				fcport->fc4_type = FC4_TYPE_FCP_SCSI;
4813 
4814 			if (e->u.new_sess.fc4_type == FS_FC4TYPE_NVME) {
4815 				fcport->fc4_type = FC4_TYPE_OTHER;
4816 				fcport->fc4f_nvme = FC4_TYPE_NVME;
4817 			}
4818 
4819 			memcpy(fcport->port_name, e->u.new_sess.port_name,
4820 			    WWN_SIZE);
4821 		} else {
4822 			ql_dbg(ql_dbg_disc, vha, 0xffff,
4823 				   "%s %8phC mem alloc fail.\n",
4824 				   __func__, e->u.new_sess.port_name);
4825 
4826 			if (pla)
4827 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
4828 			return;
4829 		}
4830 
4831 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4832 		/* search again to make sure no one else got ahead */
4833 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
4834 		    e->u.new_sess.port_name, 1);
4835 		if (tfcp) {
4836 			/* should rarily happen */
4837 			ql_dbg(ql_dbg_disc, vha, 0xffff,
4838 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
4839 			    __func__, tfcp->port_name, tfcp->disc_state,
4840 			    tfcp->fw_login_state);
4841 
4842 			free_fcport = 1;
4843 		} else {
4844 			list_add_tail(&fcport->list, &vha->vp_fcports);
4845 
4846 		}
4847 		if (pla) {
4848 			qlt_plogi_ack_link(vha, pla, fcport,
4849 			    QLT_PLOGI_LINK_SAME_WWN);
4850 			pla->ref_count--;
4851 		}
4852 	}
4853 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4854 
4855 	if (fcport) {
4856 		fcport->id_changed = 1;
4857 		fcport->scan_state = QLA_FCPORT_FOUND;
4858 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
4859 
4860 		if (pla) {
4861 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
4862 				u16 wd3_lo;
4863 
4864 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
4865 				fcport->local = 0;
4866 				fcport->loop_id =
4867 					le16_to_cpu(
4868 					    pla->iocb.u.isp24.nport_handle);
4869 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
4870 				wd3_lo =
4871 				    le16_to_cpu(
4872 					pla->iocb.u.isp24.u.prli.wd3_lo);
4873 
4874 				if (wd3_lo & BIT_7)
4875 					fcport->conf_compl_supported = 1;
4876 
4877 				if ((wd3_lo & BIT_4) == 0)
4878 					fcport->port_type = FCT_INITIATOR;
4879 				else
4880 					fcport->port_type = FCT_TARGET;
4881 			}
4882 			qlt_plogi_ack_unref(vha, pla);
4883 		} else {
4884 			fc_port_t *dfcp = NULL;
4885 
4886 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4887 			tfcp = qla2x00_find_fcport_by_nportid(vha,
4888 			    &e->u.new_sess.id, 1);
4889 			if (tfcp && (tfcp != fcport)) {
4890 				/*
4891 				 * We have a conflict fcport with same NportID.
4892 				 */
4893 				ql_dbg(ql_dbg_disc, vha, 0xffff,
4894 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
4895 				    __func__, tfcp->port_name, tfcp->disc_state,
4896 				    tfcp->fw_login_state);
4897 
4898 				switch (tfcp->disc_state) {
4899 				case DSC_DELETED:
4900 					break;
4901 				case DSC_DELETE_PEND:
4902 					fcport->login_pause = 1;
4903 					tfcp->conflict = fcport;
4904 					break;
4905 				default:
4906 					fcport->login_pause = 1;
4907 					tfcp->conflict = fcport;
4908 					dfcp = tfcp;
4909 					break;
4910 				}
4911 			}
4912 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4913 			if (dfcp)
4914 				qlt_schedule_sess_for_deletion(tfcp);
4915 
4916 
4917 			if (N2N_TOPO(vha->hw))
4918 				fcport->flags &= ~FCF_FABRIC_DEVICE;
4919 
4920 			if (N2N_TOPO(vha->hw)) {
4921 				if (vha->flags.nvme_enabled) {
4922 					fcport->fc4f_nvme = 1;
4923 					fcport->n2n_flag = 1;
4924 				}
4925 				fcport->fw_login_state = 0;
4926 				/*
4927 				 * wait link init done before sending login
4928 				 */
4929 			} else {
4930 				qla24xx_fcport_handle_login(vha, fcport);
4931 			}
4932 		}
4933 	}
4934 
4935 	if (free_fcport) {
4936 		qla2x00_free_fcport(fcport);
4937 		if (pla)
4938 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
4939 	}
4940 }
4941 
4942 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
4943 {
4944 	struct srb *sp = e->u.iosb.sp;
4945 	int rval;
4946 
4947 	rval = qla2x00_start_sp(sp);
4948 	if (rval != QLA_SUCCESS) {
4949 		ql_dbg(ql_dbg_disc, vha, 0x2043,
4950 		    "%s: %s: Re-issue IOCB failed (%d).\n",
4951 		    __func__, sp->name, rval);
4952 		qla24xx_sp_unmap(vha, sp);
4953 	}
4954 }
4955 
4956 void
4957 qla2x00_do_work(struct scsi_qla_host *vha)
4958 {
4959 	struct qla_work_evt *e, *tmp;
4960 	unsigned long flags;
4961 	LIST_HEAD(work);
4962 
4963 	spin_lock_irqsave(&vha->work_lock, flags);
4964 	list_splice_init(&vha->work_list, &work);
4965 	spin_unlock_irqrestore(&vha->work_lock, flags);
4966 
4967 	list_for_each_entry_safe(e, tmp, &work, list) {
4968 		list_del_init(&e->list);
4969 
4970 		switch (e->type) {
4971 		case QLA_EVT_AEN:
4972 			fc_host_post_event(vha->host, fc_get_event_number(),
4973 			    e->u.aen.code, e->u.aen.data);
4974 			break;
4975 		case QLA_EVT_IDC_ACK:
4976 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
4977 			break;
4978 		case QLA_EVT_ASYNC_LOGIN:
4979 			qla2x00_async_login(vha, e->u.logio.fcport,
4980 			    e->u.logio.data);
4981 			break;
4982 		case QLA_EVT_ASYNC_LOGOUT:
4983 			qla2x00_async_logout(vha, e->u.logio.fcport);
4984 			break;
4985 		case QLA_EVT_ASYNC_LOGOUT_DONE:
4986 			qla2x00_async_logout_done(vha, e->u.logio.fcport,
4987 			    e->u.logio.data);
4988 			break;
4989 		case QLA_EVT_ASYNC_ADISC:
4990 			qla2x00_async_adisc(vha, e->u.logio.fcport,
4991 			    e->u.logio.data);
4992 			break;
4993 		case QLA_EVT_ASYNC_ADISC_DONE:
4994 			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
4995 			    e->u.logio.data);
4996 			break;
4997 		case QLA_EVT_UEVENT:
4998 			qla2x00_uevent_emit(vha, e->u.uevent.code);
4999 			break;
5000 		case QLA_EVT_AENFX:
5001 			qlafx00_process_aen(vha, e);
5002 			break;
5003 		case QLA_EVT_GIDPN:
5004 			qla24xx_async_gidpn(vha, e->u.fcport.fcport);
5005 			break;
5006 		case QLA_EVT_GPNID:
5007 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5008 			break;
5009 		case QLA_EVT_UNMAP:
5010 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5011 			break;
5012 		case QLA_EVT_RELOGIN:
5013 			qla2x00_relogin(vha);
5014 			break;
5015 		case QLA_EVT_NEW_SESS:
5016 			qla24xx_create_new_sess(vha, e);
5017 			break;
5018 		case QLA_EVT_GPDB:
5019 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5020 			    e->u.fcport.opt);
5021 			break;
5022 		case QLA_EVT_PRLI:
5023 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5024 			break;
5025 		case QLA_EVT_GPSC:
5026 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5027 			break;
5028 		case QLA_EVT_UPD_FCPORT:
5029 			qla2x00_update_fcport(vha, e->u.fcport.fcport);
5030 			break;
5031 		case QLA_EVT_GNL:
5032 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5033 			break;
5034 		case QLA_EVT_NACK:
5035 			qla24xx_do_nack_work(vha, e);
5036 			break;
5037 		case QLA_EVT_ASYNC_PRLO:
5038 			qla2x00_async_prlo(vha, e->u.logio.fcport);
5039 			break;
5040 		case QLA_EVT_ASYNC_PRLO_DONE:
5041 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5042 			    e->u.logio.data);
5043 			break;
5044 		case QLA_EVT_GPNFT:
5045 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5046 			    e->u.gpnft.sp);
5047 			break;
5048 		case QLA_EVT_GPNFT_DONE:
5049 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5050 			break;
5051 		case QLA_EVT_GNNFT_DONE:
5052 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5053 			break;
5054 		case QLA_EVT_GNNID:
5055 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5056 			break;
5057 		case QLA_EVT_GFPNID:
5058 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5059 			break;
5060 		case QLA_EVT_SP_RETRY:
5061 			qla_sp_retry(vha, e);
5062 			break;
5063 		case QLA_EVT_IIDMA:
5064 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5065 			break;
5066 		case QLA_EVT_ELS_PLOGI:
5067 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5068 			    e->u.fcport.fcport, false);
5069 			break;
5070 		}
5071 		if (e->flags & QLA_EVT_FLAG_FREE)
5072 			kfree(e);
5073 
5074 		/* For each work completed decrement vha ref count */
5075 		QLA_VHA_MARK_NOT_BUSY(vha);
5076 	}
5077 }
5078 
5079 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5080 {
5081 	struct qla_work_evt *e;
5082 
5083 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5084 
5085 	if (!e) {
5086 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5087 		return QLA_FUNCTION_FAILED;
5088 	}
5089 
5090 	return qla2x00_post_work(vha, e);
5091 }
5092 
5093 /* Relogins all the fcports of a vport
5094  * Context: dpc thread
5095  */
5096 void qla2x00_relogin(struct scsi_qla_host *vha)
5097 {
5098 	fc_port_t       *fcport;
5099 	int status, relogin_needed = 0;
5100 	struct event_arg ea;
5101 
5102 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5103 		/*
5104 		 * If the port is not ONLINE then try to login
5105 		 * to it if we haven't run out of retries.
5106 		 */
5107 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5108 		    fcport->login_retry) {
5109 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5110 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5111 				continue;
5112 
5113 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5114 				fcport->disc_state == DSC_DELETE_PEND) {
5115 				relogin_needed = 1;
5116 			} else {
5117 				if (vha->hw->current_topology != ISP_CFG_NL) {
5118 					memset(&ea, 0, sizeof(ea));
5119 					ea.event = FCME_RELOGIN;
5120 					ea.fcport = fcport;
5121 					qla2x00_fcport_event_handler(vha, &ea);
5122 				} else if (vha->hw->current_topology ==
5123 				    ISP_CFG_NL) {
5124 					fcport->login_retry--;
5125 					status =
5126 					    qla2x00_local_device_login(vha,
5127 						fcport);
5128 					if (status == QLA_SUCCESS) {
5129 						fcport->old_loop_id =
5130 						    fcport->loop_id;
5131 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5132 						    "Port login OK: logged in ID 0x%x.\n",
5133 						    fcport->loop_id);
5134 						qla2x00_update_fcport
5135 							(vha, fcport);
5136 					} else if (status == 1) {
5137 						set_bit(RELOGIN_NEEDED,
5138 						    &vha->dpc_flags);
5139 						/* retry the login again */
5140 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5141 						    "Retrying %d login again loop_id 0x%x.\n",
5142 						    fcport->login_retry,
5143 						    fcport->loop_id);
5144 					} else {
5145 						fcport->login_retry = 0;
5146 					}
5147 
5148 					if (fcport->login_retry == 0 &&
5149 					    status != QLA_SUCCESS)
5150 						qla2x00_clear_loop_id(fcport);
5151 				}
5152 			}
5153 		}
5154 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5155 			break;
5156 	}
5157 
5158 	if (relogin_needed)
5159 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5160 
5161 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5162 	    "Relogin end.\n");
5163 }
5164 
5165 /* Schedule work on any of the dpc-workqueues */
5166 void
5167 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5168 {
5169 	struct qla_hw_data *ha = base_vha->hw;
5170 
5171 	switch (work_code) {
5172 	case MBA_IDC_AEN: /* 0x8200 */
5173 		if (ha->dpc_lp_wq)
5174 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5175 		break;
5176 
5177 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5178 		if (!ha->flags.nic_core_reset_hdlr_active) {
5179 			if (ha->dpc_hp_wq)
5180 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5181 		} else
5182 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5183 			    "NIC Core reset is already active. Skip "
5184 			    "scheduling it again.\n");
5185 		break;
5186 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5187 		if (ha->dpc_hp_wq)
5188 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5189 		break;
5190 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5191 		if (ha->dpc_hp_wq)
5192 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5193 		break;
5194 	default:
5195 		ql_log(ql_log_warn, base_vha, 0xb05f,
5196 		    "Unknown work-code=0x%x.\n", work_code);
5197 	}
5198 
5199 	return;
5200 }
5201 
5202 /* Work: Perform NIC Core Unrecoverable state handling */
5203 void
5204 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5205 {
5206 	struct qla_hw_data *ha =
5207 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5208 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5209 	uint32_t dev_state = 0;
5210 
5211 	qla83xx_idc_lock(base_vha, 0);
5212 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5213 	qla83xx_reset_ownership(base_vha);
5214 	if (ha->flags.nic_core_reset_owner) {
5215 		ha->flags.nic_core_reset_owner = 0;
5216 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5217 		    QLA8XXX_DEV_FAILED);
5218 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5219 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5220 	}
5221 	qla83xx_idc_unlock(base_vha, 0);
5222 }
5223 
5224 /* Work: Execute IDC state handler */
5225 void
5226 qla83xx_idc_state_handler_work(struct work_struct *work)
5227 {
5228 	struct qla_hw_data *ha =
5229 		container_of(work, struct qla_hw_data, idc_state_handler);
5230 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5231 	uint32_t dev_state = 0;
5232 
5233 	qla83xx_idc_lock(base_vha, 0);
5234 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5235 	if (dev_state == QLA8XXX_DEV_FAILED ||
5236 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5237 		qla83xx_idc_state_handler(base_vha);
5238 	qla83xx_idc_unlock(base_vha, 0);
5239 }
5240 
5241 static int
5242 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5243 {
5244 	int rval = QLA_SUCCESS;
5245 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5246 	uint32_t heart_beat_counter1, heart_beat_counter2;
5247 
5248 	do {
5249 		if (time_after(jiffies, heart_beat_wait)) {
5250 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5251 			    "Nic Core f/w is not alive.\n");
5252 			rval = QLA_FUNCTION_FAILED;
5253 			break;
5254 		}
5255 
5256 		qla83xx_idc_lock(base_vha, 0);
5257 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5258 		    &heart_beat_counter1);
5259 		qla83xx_idc_unlock(base_vha, 0);
5260 		msleep(100);
5261 		qla83xx_idc_lock(base_vha, 0);
5262 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5263 		    &heart_beat_counter2);
5264 		qla83xx_idc_unlock(base_vha, 0);
5265 	} while (heart_beat_counter1 == heart_beat_counter2);
5266 
5267 	return rval;
5268 }
5269 
5270 /* Work: Perform NIC Core Reset handling */
5271 void
5272 qla83xx_nic_core_reset_work(struct work_struct *work)
5273 {
5274 	struct qla_hw_data *ha =
5275 		container_of(work, struct qla_hw_data, nic_core_reset);
5276 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5277 	uint32_t dev_state = 0;
5278 
5279 	if (IS_QLA2031(ha)) {
5280 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5281 			ql_log(ql_log_warn, base_vha, 0xb081,
5282 			    "Failed to dump mctp\n");
5283 		return;
5284 	}
5285 
5286 	if (!ha->flags.nic_core_reset_hdlr_active) {
5287 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5288 			qla83xx_idc_lock(base_vha, 0);
5289 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5290 			    &dev_state);
5291 			qla83xx_idc_unlock(base_vha, 0);
5292 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5293 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5294 				    "Nic Core f/w is alive.\n");
5295 				return;
5296 			}
5297 		}
5298 
5299 		ha->flags.nic_core_reset_hdlr_active = 1;
5300 		if (qla83xx_nic_core_reset(base_vha)) {
5301 			/* NIC Core reset failed. */
5302 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5303 			    "NIC Core reset failed.\n");
5304 		}
5305 		ha->flags.nic_core_reset_hdlr_active = 0;
5306 	}
5307 }
5308 
5309 /* Work: Handle 8200 IDC aens */
5310 void
5311 qla83xx_service_idc_aen(struct work_struct *work)
5312 {
5313 	struct qla_hw_data *ha =
5314 		container_of(work, struct qla_hw_data, idc_aen);
5315 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5316 	uint32_t dev_state, idc_control;
5317 
5318 	qla83xx_idc_lock(base_vha, 0);
5319 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5320 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5321 	qla83xx_idc_unlock(base_vha, 0);
5322 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5323 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5324 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5325 			    "Application requested NIC Core Reset.\n");
5326 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5327 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5328 		    QLA_SUCCESS) {
5329 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5330 			    "Other protocol driver requested NIC Core Reset.\n");
5331 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5332 		}
5333 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5334 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5335 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5336 	}
5337 }
5338 
5339 static void
5340 qla83xx_wait_logic(void)
5341 {
5342 	int i;
5343 
5344 	/* Yield CPU */
5345 	if (!in_interrupt()) {
5346 		/*
5347 		 * Wait about 200ms before retrying again.
5348 		 * This controls the number of retries for single
5349 		 * lock operation.
5350 		 */
5351 		msleep(100);
5352 		schedule();
5353 	} else {
5354 		for (i = 0; i < 20; i++)
5355 			cpu_relax(); /* This a nop instr on i386 */
5356 	}
5357 }
5358 
5359 static int
5360 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5361 {
5362 	int rval;
5363 	uint32_t data;
5364 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5365 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5366 	struct qla_hw_data *ha = base_vha->hw;
5367 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5368 	    "Trying force recovery of the IDC lock.\n");
5369 
5370 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5371 	if (rval)
5372 		return rval;
5373 
5374 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5375 		return QLA_SUCCESS;
5376 	} else {
5377 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5378 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5379 		    data);
5380 		if (rval)
5381 			return rval;
5382 
5383 		msleep(200);
5384 
5385 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5386 		    &data);
5387 		if (rval)
5388 			return rval;
5389 
5390 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5391 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5392 					~(idc_lck_rcvry_stage_mask));
5393 			rval = qla83xx_wr_reg(base_vha,
5394 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5395 			if (rval)
5396 				return rval;
5397 
5398 			/* Forcefully perform IDC UnLock */
5399 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5400 			    &data);
5401 			if (rval)
5402 				return rval;
5403 			/* Clear lock-id by setting 0xff */
5404 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5405 			    0xff);
5406 			if (rval)
5407 				return rval;
5408 			/* Clear lock-recovery by setting 0x0 */
5409 			rval = qla83xx_wr_reg(base_vha,
5410 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5411 			if (rval)
5412 				return rval;
5413 		} else
5414 			return QLA_SUCCESS;
5415 	}
5416 
5417 	return rval;
5418 }
5419 
5420 static int
5421 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5422 {
5423 	int rval = QLA_SUCCESS;
5424 	uint32_t o_drv_lockid, n_drv_lockid;
5425 	unsigned long lock_recovery_timeout;
5426 
5427 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5428 retry_lockid:
5429 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5430 	if (rval)
5431 		goto exit;
5432 
5433 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5434 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5435 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5436 			return QLA_SUCCESS;
5437 		else
5438 			return QLA_FUNCTION_FAILED;
5439 	}
5440 
5441 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5442 	if (rval)
5443 		goto exit;
5444 
5445 	if (o_drv_lockid == n_drv_lockid) {
5446 		qla83xx_wait_logic();
5447 		goto retry_lockid;
5448 	} else
5449 		return QLA_SUCCESS;
5450 
5451 exit:
5452 	return rval;
5453 }
5454 
5455 void
5456 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5457 {
5458 	uint16_t options = (requester_id << 15) | BIT_6;
5459 	uint32_t data;
5460 	uint32_t lock_owner;
5461 	struct qla_hw_data *ha = base_vha->hw;
5462 
5463 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5464 retry_lock:
5465 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5466 	    == QLA_SUCCESS) {
5467 		if (data) {
5468 			/* Setting lock-id to our function-number */
5469 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5470 			    ha->portnum);
5471 		} else {
5472 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5473 			    &lock_owner);
5474 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5475 			    "Failed to acquire IDC lock, acquired by %d, "
5476 			    "retrying...\n", lock_owner);
5477 
5478 			/* Retry/Perform IDC-Lock recovery */
5479 			if (qla83xx_idc_lock_recovery(base_vha)
5480 			    == QLA_SUCCESS) {
5481 				qla83xx_wait_logic();
5482 				goto retry_lock;
5483 			} else
5484 				ql_log(ql_log_warn, base_vha, 0xb075,
5485 				    "IDC Lock recovery FAILED.\n");
5486 		}
5487 
5488 	}
5489 
5490 	return;
5491 
5492 	/* XXX: IDC-lock implementation using access-control mbx */
5493 retry_lock2:
5494 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5495 		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
5496 		    "Failed to acquire IDC lock. retrying...\n");
5497 		/* Retry/Perform IDC-Lock recovery */
5498 		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
5499 			qla83xx_wait_logic();
5500 			goto retry_lock2;
5501 		} else
5502 			ql_log(ql_log_warn, base_vha, 0xb076,
5503 			    "IDC Lock recovery FAILED.\n");
5504 	}
5505 
5506 	return;
5507 }
5508 
5509 void
5510 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5511 {
5512 #if 0
5513 	uint16_t options = (requester_id << 15) | BIT_7;
5514 #endif
5515 	uint16_t retry;
5516 	uint32_t data;
5517 	struct qla_hw_data *ha = base_vha->hw;
5518 
5519 	/* IDC-unlock implementation using driver-unlock/lock-id
5520 	 * remote registers
5521 	 */
5522 	retry = 0;
5523 retry_unlock:
5524 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
5525 	    == QLA_SUCCESS) {
5526 		if (data == ha->portnum) {
5527 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
5528 			/* Clearing lock-id by setting 0xff */
5529 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
5530 		} else if (retry < 10) {
5531 			/* SV: XXX: IDC unlock retrying needed here? */
5532 
5533 			/* Retry for IDC-unlock */
5534 			qla83xx_wait_logic();
5535 			retry++;
5536 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
5537 			    "Failed to release IDC lock, retrying=%d\n", retry);
5538 			goto retry_unlock;
5539 		}
5540 	} else if (retry < 10) {
5541 		/* Retry for IDC-unlock */
5542 		qla83xx_wait_logic();
5543 		retry++;
5544 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
5545 		    "Failed to read drv-lockid, retrying=%d\n", retry);
5546 		goto retry_unlock;
5547 	}
5548 
5549 	return;
5550 
5551 #if 0
5552 	/* XXX: IDC-unlock implementation using access-control mbx */
5553 	retry = 0;
5554 retry_unlock2:
5555 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5556 		if (retry < 10) {
5557 			/* Retry for IDC-unlock */
5558 			qla83xx_wait_logic();
5559 			retry++;
5560 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
5561 			    "Failed to release IDC lock, retrying=%d\n", retry);
5562 			goto retry_unlock2;
5563 		}
5564 	}
5565 
5566 	return;
5567 #endif
5568 }
5569 
5570 int
5571 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5572 {
5573 	int rval = QLA_SUCCESS;
5574 	struct qla_hw_data *ha = vha->hw;
5575 	uint32_t drv_presence;
5576 
5577 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5578 	if (rval == QLA_SUCCESS) {
5579 		drv_presence |= (1 << ha->portnum);
5580 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5581 		    drv_presence);
5582 	}
5583 
5584 	return rval;
5585 }
5586 
5587 int
5588 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5589 {
5590 	int rval = QLA_SUCCESS;
5591 
5592 	qla83xx_idc_lock(vha, 0);
5593 	rval = __qla83xx_set_drv_presence(vha);
5594 	qla83xx_idc_unlock(vha, 0);
5595 
5596 	return rval;
5597 }
5598 
5599 int
5600 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5601 {
5602 	int rval = QLA_SUCCESS;
5603 	struct qla_hw_data *ha = vha->hw;
5604 	uint32_t drv_presence;
5605 
5606 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5607 	if (rval == QLA_SUCCESS) {
5608 		drv_presence &= ~(1 << ha->portnum);
5609 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5610 		    drv_presence);
5611 	}
5612 
5613 	return rval;
5614 }
5615 
5616 int
5617 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5618 {
5619 	int rval = QLA_SUCCESS;
5620 
5621 	qla83xx_idc_lock(vha, 0);
5622 	rval = __qla83xx_clear_drv_presence(vha);
5623 	qla83xx_idc_unlock(vha, 0);
5624 
5625 	return rval;
5626 }
5627 
5628 static void
5629 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
5630 {
5631 	struct qla_hw_data *ha = vha->hw;
5632 	uint32_t drv_ack, drv_presence;
5633 	unsigned long ack_timeout;
5634 
5635 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
5636 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
5637 	while (1) {
5638 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5639 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5640 		if ((drv_ack & drv_presence) == drv_presence)
5641 			break;
5642 
5643 		if (time_after_eq(jiffies, ack_timeout)) {
5644 			ql_log(ql_log_warn, vha, 0xb067,
5645 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
5646 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
5647 			/*
5648 			 * The function(s) which did not ack in time are forced
5649 			 * to withdraw any further participation in the IDC
5650 			 * reset.
5651 			 */
5652 			if (drv_ack != drv_presence)
5653 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5654 				    drv_ack);
5655 			break;
5656 		}
5657 
5658 		qla83xx_idc_unlock(vha, 0);
5659 		msleep(1000);
5660 		qla83xx_idc_lock(vha, 0);
5661 	}
5662 
5663 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
5664 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
5665 }
5666 
5667 static int
5668 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
5669 {
5670 	int rval = QLA_SUCCESS;
5671 	uint32_t idc_control;
5672 
5673 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
5674 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
5675 
5676 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
5677 	__qla83xx_get_idc_control(vha, &idc_control);
5678 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
5679 	__qla83xx_set_idc_control(vha, 0);
5680 
5681 	qla83xx_idc_unlock(vha, 0);
5682 	rval = qla83xx_restart_nic_firmware(vha);
5683 	qla83xx_idc_lock(vha, 0);
5684 
5685 	if (rval != QLA_SUCCESS) {
5686 		ql_log(ql_log_fatal, vha, 0xb06a,
5687 		    "Failed to restart NIC f/w.\n");
5688 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
5689 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
5690 	} else {
5691 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
5692 		    "Success in restarting nic f/w.\n");
5693 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
5694 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
5695 	}
5696 
5697 	return rval;
5698 }
5699 
5700 /* Assumes idc_lock always held on entry */
5701 int
5702 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
5703 {
5704 	struct qla_hw_data *ha = base_vha->hw;
5705 	int rval = QLA_SUCCESS;
5706 	unsigned long dev_init_timeout;
5707 	uint32_t dev_state;
5708 
5709 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
5710 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
5711 
5712 	while (1) {
5713 
5714 		if (time_after_eq(jiffies, dev_init_timeout)) {
5715 			ql_log(ql_log_warn, base_vha, 0xb06e,
5716 			    "Initialization TIMEOUT!\n");
5717 			/* Init timeout. Disable further NIC Core
5718 			 * communication.
5719 			 */
5720 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5721 				QLA8XXX_DEV_FAILED);
5722 			ql_log(ql_log_info, base_vha, 0xb06f,
5723 			    "HW State: FAILED.\n");
5724 		}
5725 
5726 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5727 		switch (dev_state) {
5728 		case QLA8XXX_DEV_READY:
5729 			if (ha->flags.nic_core_reset_owner)
5730 				qla83xx_idc_audit(base_vha,
5731 				    IDC_AUDIT_COMPLETION);
5732 			ha->flags.nic_core_reset_owner = 0;
5733 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
5734 			    "Reset_owner reset by 0x%x.\n",
5735 			    ha->portnum);
5736 			goto exit;
5737 		case QLA8XXX_DEV_COLD:
5738 			if (ha->flags.nic_core_reset_owner)
5739 				rval = qla83xx_device_bootstrap(base_vha);
5740 			else {
5741 			/* Wait for AEN to change device-state */
5742 				qla83xx_idc_unlock(base_vha, 0);
5743 				msleep(1000);
5744 				qla83xx_idc_lock(base_vha, 0);
5745 			}
5746 			break;
5747 		case QLA8XXX_DEV_INITIALIZING:
5748 			/* Wait for AEN to change device-state */
5749 			qla83xx_idc_unlock(base_vha, 0);
5750 			msleep(1000);
5751 			qla83xx_idc_lock(base_vha, 0);
5752 			break;
5753 		case QLA8XXX_DEV_NEED_RESET:
5754 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
5755 				qla83xx_need_reset_handler(base_vha);
5756 			else {
5757 				/* Wait for AEN to change device-state */
5758 				qla83xx_idc_unlock(base_vha, 0);
5759 				msleep(1000);
5760 				qla83xx_idc_lock(base_vha, 0);
5761 			}
5762 			/* reset timeout value after need reset handler */
5763 			dev_init_timeout = jiffies +
5764 			    (ha->fcoe_dev_init_timeout * HZ);
5765 			break;
5766 		case QLA8XXX_DEV_NEED_QUIESCENT:
5767 			/* XXX: DEBUG for now */
5768 			qla83xx_idc_unlock(base_vha, 0);
5769 			msleep(1000);
5770 			qla83xx_idc_lock(base_vha, 0);
5771 			break;
5772 		case QLA8XXX_DEV_QUIESCENT:
5773 			/* XXX: DEBUG for now */
5774 			if (ha->flags.quiesce_owner)
5775 				goto exit;
5776 
5777 			qla83xx_idc_unlock(base_vha, 0);
5778 			msleep(1000);
5779 			qla83xx_idc_lock(base_vha, 0);
5780 			dev_init_timeout = jiffies +
5781 			    (ha->fcoe_dev_init_timeout * HZ);
5782 			break;
5783 		case QLA8XXX_DEV_FAILED:
5784 			if (ha->flags.nic_core_reset_owner)
5785 				qla83xx_idc_audit(base_vha,
5786 				    IDC_AUDIT_COMPLETION);
5787 			ha->flags.nic_core_reset_owner = 0;
5788 			__qla83xx_clear_drv_presence(base_vha);
5789 			qla83xx_idc_unlock(base_vha, 0);
5790 			qla8xxx_dev_failed_handler(base_vha);
5791 			rval = QLA_FUNCTION_FAILED;
5792 			qla83xx_idc_lock(base_vha, 0);
5793 			goto exit;
5794 		case QLA8XXX_BAD_VALUE:
5795 			qla83xx_idc_unlock(base_vha, 0);
5796 			msleep(1000);
5797 			qla83xx_idc_lock(base_vha, 0);
5798 			break;
5799 		default:
5800 			ql_log(ql_log_warn, base_vha, 0xb071,
5801 			    "Unknown Device State: %x.\n", dev_state);
5802 			qla83xx_idc_unlock(base_vha, 0);
5803 			qla8xxx_dev_failed_handler(base_vha);
5804 			rval = QLA_FUNCTION_FAILED;
5805 			qla83xx_idc_lock(base_vha, 0);
5806 			goto exit;
5807 		}
5808 	}
5809 
5810 exit:
5811 	return rval;
5812 }
5813 
5814 void
5815 qla2x00_disable_board_on_pci_error(struct work_struct *work)
5816 {
5817 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
5818 	    board_disable);
5819 	struct pci_dev *pdev = ha->pdev;
5820 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5821 
5822 	/*
5823 	 * if UNLOAD flag is already set, then continue unload,
5824 	 * where it was set first.
5825 	 */
5826 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
5827 		return;
5828 
5829 	ql_log(ql_log_warn, base_vha, 0x015b,
5830 	    "Disabling adapter.\n");
5831 
5832 	if (!atomic_read(&pdev->enable_cnt)) {
5833 		ql_log(ql_log_info, base_vha, 0xfffc,
5834 		    "PCI device disabled, no action req for PCI error=%lx\n",
5835 		    base_vha->pci_flags);
5836 		return;
5837 	}
5838 
5839 	qla2x00_wait_for_sess_deletion(base_vha);
5840 
5841 	set_bit(UNLOADING, &base_vha->dpc_flags);
5842 
5843 	qla2x00_delete_all_vps(ha, base_vha);
5844 
5845 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5846 
5847 	qla2x00_dfs_remove(base_vha);
5848 
5849 	qla84xx_put_chip(base_vha);
5850 
5851 	if (base_vha->timer_active)
5852 		qla2x00_stop_timer(base_vha);
5853 
5854 	base_vha->flags.online = 0;
5855 
5856 	qla2x00_destroy_deferred_work(ha);
5857 
5858 	/*
5859 	 * Do not try to stop beacon blink as it will issue a mailbox
5860 	 * command.
5861 	 */
5862 	qla2x00_free_sysfs_attr(base_vha, false);
5863 
5864 	fc_remove_host(base_vha->host);
5865 
5866 	scsi_remove_host(base_vha->host);
5867 
5868 	base_vha->flags.init_done = 0;
5869 	qla25xx_delete_queues(base_vha);
5870 	qla2x00_free_fcports(base_vha);
5871 	qla2x00_free_irqs(base_vha);
5872 	qla2x00_mem_free(ha);
5873 	qla82xx_md_free(base_vha);
5874 	qla2x00_free_queues(ha);
5875 
5876 	qla2x00_unmap_iobases(ha);
5877 
5878 	pci_release_selected_regions(ha->pdev, ha->bars);
5879 	pci_disable_pcie_error_reporting(pdev);
5880 	pci_disable_device(pdev);
5881 
5882 	/*
5883 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
5884 	 */
5885 }
5886 
5887 /**************************************************************************
5888 * qla2x00_do_dpc
5889 *   This kernel thread is a task that is schedule by the interrupt handler
5890 *   to perform the background processing for interrupts.
5891 *
5892 * Notes:
5893 * This task always run in the context of a kernel thread.  It
5894 * is kick-off by the driver's detect code and starts up
5895 * up one per adapter. It immediately goes to sleep and waits for
5896 * some fibre event.  When either the interrupt handler or
5897 * the timer routine detects a event it will one of the task
5898 * bits then wake us up.
5899 **************************************************************************/
5900 static int
5901 qla2x00_do_dpc(void *data)
5902 {
5903 	scsi_qla_host_t *base_vha;
5904 	struct qla_hw_data *ha;
5905 	uint32_t online;
5906 	struct qla_qpair *qpair;
5907 
5908 	ha = (struct qla_hw_data *)data;
5909 	base_vha = pci_get_drvdata(ha->pdev);
5910 
5911 	set_user_nice(current, MIN_NICE);
5912 
5913 	set_current_state(TASK_INTERRUPTIBLE);
5914 	while (!kthread_should_stop()) {
5915 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
5916 		    "DPC handler sleeping.\n");
5917 
5918 		schedule();
5919 
5920 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
5921 			goto end_loop;
5922 
5923 		if (ha->flags.eeh_busy) {
5924 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
5925 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
5926 			goto end_loop;
5927 		}
5928 
5929 		ha->dpc_active = 1;
5930 
5931 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
5932 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
5933 		    base_vha->dpc_flags);
5934 
5935 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
5936 			break;
5937 
5938 		if (IS_P3P_TYPE(ha)) {
5939 			if (IS_QLA8044(ha)) {
5940 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
5941 					&base_vha->dpc_flags)) {
5942 					qla8044_idc_lock(ha);
5943 					qla8044_wr_direct(base_vha,
5944 						QLA8044_CRB_DEV_STATE_INDEX,
5945 						QLA8XXX_DEV_FAILED);
5946 					qla8044_idc_unlock(ha);
5947 					ql_log(ql_log_info, base_vha, 0x4004,
5948 						"HW State: FAILED.\n");
5949 					qla8044_device_state_handler(base_vha);
5950 					continue;
5951 				}
5952 
5953 			} else {
5954 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
5955 					&base_vha->dpc_flags)) {
5956 					qla82xx_idc_lock(ha);
5957 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5958 						QLA8XXX_DEV_FAILED);
5959 					qla82xx_idc_unlock(ha);
5960 					ql_log(ql_log_info, base_vha, 0x0151,
5961 						"HW State: FAILED.\n");
5962 					qla82xx_device_state_handler(base_vha);
5963 					continue;
5964 				}
5965 			}
5966 
5967 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
5968 				&base_vha->dpc_flags)) {
5969 
5970 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
5971 				    "FCoE context reset scheduled.\n");
5972 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5973 					&base_vha->dpc_flags))) {
5974 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
5975 						/* FCoE-ctx reset failed.
5976 						 * Escalate to chip-reset
5977 						 */
5978 						set_bit(ISP_ABORT_NEEDED,
5979 							&base_vha->dpc_flags);
5980 					}
5981 					clear_bit(ABORT_ISP_ACTIVE,
5982 						&base_vha->dpc_flags);
5983 				}
5984 
5985 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
5986 				    "FCoE context reset end.\n");
5987 			}
5988 		} else if (IS_QLAFX00(ha)) {
5989 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
5990 				&base_vha->dpc_flags)) {
5991 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
5992 				    "Firmware Reset Recovery\n");
5993 				if (qlafx00_reset_initialize(base_vha)) {
5994 					/* Failed. Abort isp later. */
5995 					if (!test_bit(UNLOADING,
5996 					    &base_vha->dpc_flags)) {
5997 						set_bit(ISP_UNRECOVERABLE,
5998 						    &base_vha->dpc_flags);
5999 						ql_dbg(ql_dbg_dpc, base_vha,
6000 						    0x4021,
6001 						    "Reset Recovery Failed\n");
6002 					}
6003 				}
6004 			}
6005 
6006 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6007 				&base_vha->dpc_flags)) {
6008 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6009 				    "ISPFx00 Target Scan scheduled\n");
6010 				if (qlafx00_rescan_isp(base_vha)) {
6011 					if (!test_bit(UNLOADING,
6012 					    &base_vha->dpc_flags))
6013 						set_bit(ISP_UNRECOVERABLE,
6014 						    &base_vha->dpc_flags);
6015 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6016 					    "ISPFx00 Target Scan Failed\n");
6017 				}
6018 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6019 				    "ISPFx00 Target Scan End\n");
6020 			}
6021 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6022 				&base_vha->dpc_flags)) {
6023 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6024 				    "ISPFx00 Host Info resend scheduled\n");
6025 				qlafx00_fx_disc(base_vha,
6026 				    &base_vha->hw->mr.fcport,
6027 				    FXDISC_REG_HOST_INFO);
6028 			}
6029 		}
6030 
6031 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6032 			&base_vha->dpc_flags) &&
6033 		    !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
6034 			qla24xx_detect_sfp(base_vha);
6035 
6036 			if (ha->flags.detected_lr_sfp !=
6037 			    ha->flags.using_lr_setting)
6038 				set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
6039 		}
6040 
6041 		if (test_and_clear_bit
6042 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6043 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6044 
6045 			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6046 			    "ISP abort scheduled.\n");
6047 			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6048 			    &base_vha->dpc_flags))) {
6049 
6050 				if (ha->isp_ops->abort_isp(base_vha)) {
6051 					/* failed. retry later */
6052 					set_bit(ISP_ABORT_NEEDED,
6053 					    &base_vha->dpc_flags);
6054 				}
6055 				clear_bit(ABORT_ISP_ACTIVE,
6056 						&base_vha->dpc_flags);
6057 			}
6058 
6059 			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6060 			    "ISP abort end.\n");
6061 		}
6062 
6063 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6064 		    &base_vha->dpc_flags)) {
6065 			qla2x00_update_fcports(base_vha);
6066 		}
6067 
6068 		if (IS_QLAFX00(ha))
6069 			goto loop_resync_check;
6070 
6071 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6072 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6073 			    "Quiescence mode scheduled.\n");
6074 			if (IS_P3P_TYPE(ha)) {
6075 				if (IS_QLA82XX(ha))
6076 					qla82xx_device_state_handler(base_vha);
6077 				if (IS_QLA8044(ha))
6078 					qla8044_device_state_handler(base_vha);
6079 				clear_bit(ISP_QUIESCE_NEEDED,
6080 				    &base_vha->dpc_flags);
6081 				if (!ha->flags.quiesce_owner) {
6082 					qla2x00_perform_loop_resync(base_vha);
6083 					if (IS_QLA82XX(ha)) {
6084 						qla82xx_idc_lock(ha);
6085 						qla82xx_clear_qsnt_ready(
6086 						    base_vha);
6087 						qla82xx_idc_unlock(ha);
6088 					} else if (IS_QLA8044(ha)) {
6089 						qla8044_idc_lock(ha);
6090 						qla8044_clear_qsnt_ready(
6091 						    base_vha);
6092 						qla8044_idc_unlock(ha);
6093 					}
6094 				}
6095 			} else {
6096 				clear_bit(ISP_QUIESCE_NEEDED,
6097 				    &base_vha->dpc_flags);
6098 				qla2x00_quiesce_io(base_vha);
6099 			}
6100 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6101 			    "Quiescence mode end.\n");
6102 		}
6103 
6104 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6105 				&base_vha->dpc_flags) &&
6106 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6107 
6108 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6109 			    "Reset marker scheduled.\n");
6110 			qla2x00_rst_aen(base_vha);
6111 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6112 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6113 			    "Reset marker end.\n");
6114 		}
6115 
6116 		/* Retry each device up to login retry count */
6117 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6118 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6119 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6120 
6121 			if (!base_vha->relogin_jif ||
6122 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6123 				base_vha->relogin_jif = jiffies + HZ;
6124 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6125 
6126 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6127 				    "Relogin scheduled.\n");
6128 				qla24xx_post_relogin_work(base_vha);
6129 			}
6130 		}
6131 loop_resync_check:
6132 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6133 		    &base_vha->dpc_flags)) {
6134 
6135 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6136 			    "Loop resync scheduled.\n");
6137 
6138 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6139 			    &base_vha->dpc_flags))) {
6140 
6141 				qla2x00_loop_resync(base_vha);
6142 
6143 				clear_bit(LOOP_RESYNC_ACTIVE,
6144 						&base_vha->dpc_flags);
6145 			}
6146 
6147 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6148 			    "Loop resync end.\n");
6149 		}
6150 
6151 		if (IS_QLAFX00(ha))
6152 			goto intr_on_check;
6153 
6154 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6155 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6156 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6157 			qla2xxx_flash_npiv_conf(base_vha);
6158 		}
6159 
6160 intr_on_check:
6161 		if (!ha->interrupts_on)
6162 			ha->isp_ops->enable_intrs(ha);
6163 
6164 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6165 					&base_vha->dpc_flags)) {
6166 			if (ha->beacon_blink_led == 1)
6167 				ha->isp_ops->beacon_blink(base_vha);
6168 		}
6169 
6170 		/* qpair online check */
6171 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6172 		    &base_vha->dpc_flags)) {
6173 			if (ha->flags.eeh_busy ||
6174 			    ha->flags.pci_channel_io_perm_failure)
6175 				online = 0;
6176 			else
6177 				online = 1;
6178 
6179 			mutex_lock(&ha->mq_lock);
6180 			list_for_each_entry(qpair, &base_vha->qp_list,
6181 			    qp_list_elem)
6182 			qpair->online = online;
6183 			mutex_unlock(&ha->mq_lock);
6184 		}
6185 
6186 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED, &base_vha->dpc_flags)) {
6187 			ql_log(ql_log_info, base_vha, 0xffffff,
6188 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
6189 						ha->nvme_last_rptd_aen);
6190 			if (qla27xx_set_zio_threshold(base_vha, ha->nvme_last_rptd_aen)) {
6191 				ql_log(ql_log_info, base_vha, 0xffffff,
6192 					"nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
6193 						ha->nvme_last_rptd_aen);
6194 			}
6195 		}
6196 
6197 		if (!IS_QLAFX00(ha))
6198 			qla2x00_do_dpc_all_vps(base_vha);
6199 
6200 		if (test_and_clear_bit(N2N_LINK_RESET,
6201 			&base_vha->dpc_flags)) {
6202 			qla2x00_lip_reset(base_vha);
6203 		}
6204 
6205 		ha->dpc_active = 0;
6206 end_loop:
6207 		set_current_state(TASK_INTERRUPTIBLE);
6208 	} /* End of while(1) */
6209 	__set_current_state(TASK_RUNNING);
6210 
6211 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
6212 	    "DPC handler exiting.\n");
6213 
6214 	/*
6215 	 * Make sure that nobody tries to wake us up again.
6216 	 */
6217 	ha->dpc_active = 0;
6218 
6219 	/* Cleanup any residual CTX SRBs. */
6220 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6221 
6222 	return 0;
6223 }
6224 
6225 void
6226 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6227 {
6228 	struct qla_hw_data *ha = vha->hw;
6229 	struct task_struct *t = ha->dpc_thread;
6230 
6231 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6232 		wake_up_process(t);
6233 }
6234 
6235 /*
6236 *  qla2x00_rst_aen
6237 *      Processes asynchronous reset.
6238 *
6239 * Input:
6240 *      ha  = adapter block pointer.
6241 */
6242 static void
6243 qla2x00_rst_aen(scsi_qla_host_t *vha)
6244 {
6245 	if (vha->flags.online && !vha->flags.reset_active &&
6246 	    !atomic_read(&vha->loop_down_timer) &&
6247 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
6248 		do {
6249 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6250 
6251 			/*
6252 			 * Issue marker command only when we are going to start
6253 			 * the I/O.
6254 			 */
6255 			vha->marker_needed = 1;
6256 		} while (!atomic_read(&vha->loop_down_timer) &&
6257 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
6258 	}
6259 }
6260 
6261 /**************************************************************************
6262 *   qla2x00_timer
6263 *
6264 * Description:
6265 *   One second timer
6266 *
6267 * Context: Interrupt
6268 ***************************************************************************/
6269 void
6270 qla2x00_timer(struct timer_list *t)
6271 {
6272 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
6273 	unsigned long	cpu_flags = 0;
6274 	int		start_dpc = 0;
6275 	int		index;
6276 	srb_t		*sp;
6277 	uint16_t        w;
6278 	struct qla_hw_data *ha = vha->hw;
6279 	struct req_que *req;
6280 
6281 	if (ha->flags.eeh_busy) {
6282 		ql_dbg(ql_dbg_timer, vha, 0x6000,
6283 		    "EEH = %d, restarting timer.\n",
6284 		    ha->flags.eeh_busy);
6285 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
6286 		return;
6287 	}
6288 
6289 	/*
6290 	 * Hardware read to raise pending EEH errors during mailbox waits. If
6291 	 * the read returns -1 then disable the board.
6292 	 */
6293 	if (!pci_channel_offline(ha->pdev)) {
6294 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
6295 		qla2x00_check_reg16_for_disconnect(vha, w);
6296 	}
6297 
6298 	/* Make sure qla82xx_watchdog is run only for physical port */
6299 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
6300 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
6301 			start_dpc++;
6302 		if (IS_QLA82XX(ha))
6303 			qla82xx_watchdog(vha);
6304 		else if (IS_QLA8044(ha))
6305 			qla8044_watchdog(vha);
6306 	}
6307 
6308 	if (!vha->vp_idx && IS_QLAFX00(ha))
6309 		qlafx00_timer_routine(vha);
6310 
6311 	/* Loop down handler. */
6312 	if (atomic_read(&vha->loop_down_timer) > 0 &&
6313 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
6314 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
6315 		&& vha->flags.online) {
6316 
6317 		if (atomic_read(&vha->loop_down_timer) ==
6318 		    vha->loop_down_abort_time) {
6319 
6320 			ql_log(ql_log_info, vha, 0x6008,
6321 			    "Loop down - aborting the queues before time expires.\n");
6322 
6323 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
6324 				atomic_set(&vha->loop_state, LOOP_DEAD);
6325 
6326 			/*
6327 			 * Schedule an ISP abort to return any FCP2-device
6328 			 * commands.
6329 			 */
6330 			/* NPIV - scan physical port only */
6331 			if (!vha->vp_idx) {
6332 				spin_lock_irqsave(&ha->hardware_lock,
6333 				    cpu_flags);
6334 				req = ha->req_q_map[0];
6335 				for (index = 1;
6336 				    index < req->num_outstanding_cmds;
6337 				    index++) {
6338 					fc_port_t *sfcp;
6339 
6340 					sp = req->outstanding_cmds[index];
6341 					if (!sp)
6342 						continue;
6343 					if (sp->cmd_type != TYPE_SRB)
6344 						continue;
6345 					if (sp->type != SRB_SCSI_CMD)
6346 						continue;
6347 					sfcp = sp->fcport;
6348 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
6349 						continue;
6350 
6351 					if (IS_QLA82XX(ha))
6352 						set_bit(FCOE_CTX_RESET_NEEDED,
6353 							&vha->dpc_flags);
6354 					else
6355 						set_bit(ISP_ABORT_NEEDED,
6356 							&vha->dpc_flags);
6357 					break;
6358 				}
6359 				spin_unlock_irqrestore(&ha->hardware_lock,
6360 								cpu_flags);
6361 			}
6362 			start_dpc++;
6363 		}
6364 
6365 		/* if the loop has been down for 4 minutes, reinit adapter */
6366 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
6367 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
6368 				ql_log(ql_log_warn, vha, 0x6009,
6369 				    "Loop down - aborting ISP.\n");
6370 
6371 				if (IS_QLA82XX(ha))
6372 					set_bit(FCOE_CTX_RESET_NEEDED,
6373 						&vha->dpc_flags);
6374 				else
6375 					set_bit(ISP_ABORT_NEEDED,
6376 						&vha->dpc_flags);
6377 			}
6378 		}
6379 		ql_dbg(ql_dbg_timer, vha, 0x600a,
6380 		    "Loop down - seconds remaining %d.\n",
6381 		    atomic_read(&vha->loop_down_timer));
6382 	}
6383 	/* Check if beacon LED needs to be blinked for physical host only */
6384 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
6385 		/* There is no beacon_blink function for ISP82xx */
6386 		if (!IS_P3P_TYPE(ha)) {
6387 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
6388 			start_dpc++;
6389 		}
6390 	}
6391 
6392 	/* Process any deferred work. */
6393 	if (!list_empty(&vha->work_list)) {
6394 		unsigned long flags;
6395 		bool q = false;
6396 
6397 		spin_lock_irqsave(&vha->work_lock, flags);
6398 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
6399 			q = true;
6400 		spin_unlock_irqrestore(&vha->work_lock, flags);
6401 		if (q)
6402 			queue_work(vha->hw->wq, &vha->iocb_work);
6403 	}
6404 
6405 	/*
6406 	 * FC-NVME
6407 	 * see if the active AEN count has changed from what was last reported.
6408 	 */
6409 	if (!vha->vp_idx &&
6410 		atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen &&
6411 		ha->zio_mode == QLA_ZIO_MODE_6) {
6412 		ql_log(ql_log_info, vha, 0x3002,
6413 			"nvme: Sched: Set ZIO exchange threshold to %d.\n",
6414 			ha->nvme_last_rptd_aen);
6415 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
6416 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
6417 		start_dpc++;
6418 	}
6419 
6420 	/* Schedule the DPC routine if needed */
6421 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
6422 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
6423 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
6424 	    start_dpc ||
6425 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
6426 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
6427 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
6428 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
6429 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
6430 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
6431 		ql_dbg(ql_dbg_timer, vha, 0x600b,
6432 		    "isp_abort_needed=%d loop_resync_needed=%d "
6433 		    "fcport_update_needed=%d start_dpc=%d "
6434 		    "reset_marker_needed=%d",
6435 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
6436 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
6437 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
6438 		    start_dpc,
6439 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
6440 		ql_dbg(ql_dbg_timer, vha, 0x600c,
6441 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
6442 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
6443 		    "relogin_needed=%d.\n",
6444 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
6445 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
6446 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
6447 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
6448 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
6449 		qla2xxx_wake_dpc(vha);
6450 	}
6451 
6452 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
6453 }
6454 
6455 /* Firmware interface routines. */
6456 
6457 #define FW_BLOBS	11
6458 #define FW_ISP21XX	0
6459 #define FW_ISP22XX	1
6460 #define FW_ISP2300	2
6461 #define FW_ISP2322	3
6462 #define FW_ISP24XX	4
6463 #define FW_ISP25XX	5
6464 #define FW_ISP81XX	6
6465 #define FW_ISP82XX	7
6466 #define FW_ISP2031	8
6467 #define FW_ISP8031	9
6468 #define FW_ISP27XX	10
6469 
6470 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
6471 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
6472 #define FW_FILE_ISP2300	"ql2300_fw.bin"
6473 #define FW_FILE_ISP2322	"ql2322_fw.bin"
6474 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
6475 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
6476 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
6477 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
6478 #define FW_FILE_ISP2031	"ql2600_fw.bin"
6479 #define FW_FILE_ISP8031	"ql8300_fw.bin"
6480 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
6481 
6482 
6483 static DEFINE_MUTEX(qla_fw_lock);
6484 
6485 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
6486 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
6487 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
6488 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
6489 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
6490 	{ .name = FW_FILE_ISP24XX, },
6491 	{ .name = FW_FILE_ISP25XX, },
6492 	{ .name = FW_FILE_ISP81XX, },
6493 	{ .name = FW_FILE_ISP82XX, },
6494 	{ .name = FW_FILE_ISP2031, },
6495 	{ .name = FW_FILE_ISP8031, },
6496 	{ .name = FW_FILE_ISP27XX, },
6497 };
6498 
6499 struct fw_blob *
6500 qla2x00_request_firmware(scsi_qla_host_t *vha)
6501 {
6502 	struct qla_hw_data *ha = vha->hw;
6503 	struct fw_blob *blob;
6504 
6505 	if (IS_QLA2100(ha)) {
6506 		blob = &qla_fw_blobs[FW_ISP21XX];
6507 	} else if (IS_QLA2200(ha)) {
6508 		blob = &qla_fw_blobs[FW_ISP22XX];
6509 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
6510 		blob = &qla_fw_blobs[FW_ISP2300];
6511 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
6512 		blob = &qla_fw_blobs[FW_ISP2322];
6513 	} else if (IS_QLA24XX_TYPE(ha)) {
6514 		blob = &qla_fw_blobs[FW_ISP24XX];
6515 	} else if (IS_QLA25XX(ha)) {
6516 		blob = &qla_fw_blobs[FW_ISP25XX];
6517 	} else if (IS_QLA81XX(ha)) {
6518 		blob = &qla_fw_blobs[FW_ISP81XX];
6519 	} else if (IS_QLA82XX(ha)) {
6520 		blob = &qla_fw_blobs[FW_ISP82XX];
6521 	} else if (IS_QLA2031(ha)) {
6522 		blob = &qla_fw_blobs[FW_ISP2031];
6523 	} else if (IS_QLA8031(ha)) {
6524 		blob = &qla_fw_blobs[FW_ISP8031];
6525 	} else if (IS_QLA27XX(ha)) {
6526 		blob = &qla_fw_blobs[FW_ISP27XX];
6527 	} else {
6528 		return NULL;
6529 	}
6530 
6531 	mutex_lock(&qla_fw_lock);
6532 	if (blob->fw)
6533 		goto out;
6534 
6535 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
6536 		ql_log(ql_log_warn, vha, 0x0063,
6537 		    "Failed to load firmware image (%s).\n", blob->name);
6538 		blob->fw = NULL;
6539 		blob = NULL;
6540 		goto out;
6541 	}
6542 
6543 out:
6544 	mutex_unlock(&qla_fw_lock);
6545 	return blob;
6546 }
6547 
6548 static void
6549 qla2x00_release_firmware(void)
6550 {
6551 	int idx;
6552 
6553 	mutex_lock(&qla_fw_lock);
6554 	for (idx = 0; idx < FW_BLOBS; idx++)
6555 		release_firmware(qla_fw_blobs[idx].fw);
6556 	mutex_unlock(&qla_fw_lock);
6557 }
6558 
6559 static pci_ers_result_t
6560 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
6561 {
6562 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
6563 	struct qla_hw_data *ha = vha->hw;
6564 
6565 	ql_dbg(ql_dbg_aer, vha, 0x9000,
6566 	    "PCI error detected, state %x.\n", state);
6567 
6568 	if (!atomic_read(&pdev->enable_cnt)) {
6569 		ql_log(ql_log_info, vha, 0xffff,
6570 			"PCI device is disabled,state %x\n", state);
6571 		return PCI_ERS_RESULT_NEED_RESET;
6572 	}
6573 
6574 	switch (state) {
6575 	case pci_channel_io_normal:
6576 		ha->flags.eeh_busy = 0;
6577 		if (ql2xmqsupport || ql2xnvmeenable) {
6578 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6579 			qla2xxx_wake_dpc(vha);
6580 		}
6581 		return PCI_ERS_RESULT_CAN_RECOVER;
6582 	case pci_channel_io_frozen:
6583 		ha->flags.eeh_busy = 1;
6584 		/* For ISP82XX complete any pending mailbox cmd */
6585 		if (IS_QLA82XX(ha)) {
6586 			ha->flags.isp82xx_fw_hung = 1;
6587 			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
6588 			qla82xx_clear_pending_mbx(vha);
6589 		}
6590 		qla2x00_free_irqs(vha);
6591 		pci_disable_device(pdev);
6592 		/* Return back all IOs */
6593 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6594 		if (ql2xmqsupport || ql2xnvmeenable) {
6595 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6596 			qla2xxx_wake_dpc(vha);
6597 		}
6598 		return PCI_ERS_RESULT_NEED_RESET;
6599 	case pci_channel_io_perm_failure:
6600 		ha->flags.pci_channel_io_perm_failure = 1;
6601 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
6602 		if (ql2xmqsupport || ql2xnvmeenable) {
6603 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6604 			qla2xxx_wake_dpc(vha);
6605 		}
6606 		return PCI_ERS_RESULT_DISCONNECT;
6607 	}
6608 	return PCI_ERS_RESULT_NEED_RESET;
6609 }
6610 
6611 static pci_ers_result_t
6612 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
6613 {
6614 	int risc_paused = 0;
6615 	uint32_t stat;
6616 	unsigned long flags;
6617 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6618 	struct qla_hw_data *ha = base_vha->hw;
6619 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6620 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
6621 
6622 	if (IS_QLA82XX(ha))
6623 		return PCI_ERS_RESULT_RECOVERED;
6624 
6625 	spin_lock_irqsave(&ha->hardware_lock, flags);
6626 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
6627 		stat = RD_REG_DWORD(&reg->hccr);
6628 		if (stat & HCCR_RISC_PAUSE)
6629 			risc_paused = 1;
6630 	} else if (IS_QLA23XX(ha)) {
6631 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
6632 		if (stat & HSR_RISC_PAUSED)
6633 			risc_paused = 1;
6634 	} else if (IS_FWI2_CAPABLE(ha)) {
6635 		stat = RD_REG_DWORD(&reg24->host_status);
6636 		if (stat & HSRX_RISC_PAUSED)
6637 			risc_paused = 1;
6638 	}
6639 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
6640 
6641 	if (risc_paused) {
6642 		ql_log(ql_log_info, base_vha, 0x9003,
6643 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
6644 		ha->isp_ops->fw_dump(base_vha, 0);
6645 
6646 		return PCI_ERS_RESULT_NEED_RESET;
6647 	} else
6648 		return PCI_ERS_RESULT_RECOVERED;
6649 }
6650 
6651 static uint32_t
6652 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
6653 {
6654 	uint32_t rval = QLA_FUNCTION_FAILED;
6655 	uint32_t drv_active = 0;
6656 	struct qla_hw_data *ha = base_vha->hw;
6657 	int fn;
6658 	struct pci_dev *other_pdev = NULL;
6659 
6660 	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
6661 	    "Entered %s.\n", __func__);
6662 
6663 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6664 
6665 	if (base_vha->flags.online) {
6666 		/* Abort all outstanding commands,
6667 		 * so as to be requeued later */
6668 		qla2x00_abort_isp_cleanup(base_vha);
6669 	}
6670 
6671 
6672 	fn = PCI_FUNC(ha->pdev->devfn);
6673 	while (fn > 0) {
6674 		fn--;
6675 		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
6676 		    "Finding pci device at function = 0x%x.\n", fn);
6677 		other_pdev =
6678 		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
6679 		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
6680 		    fn));
6681 
6682 		if (!other_pdev)
6683 			continue;
6684 		if (atomic_read(&other_pdev->enable_cnt)) {
6685 			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
6686 			    "Found PCI func available and enable at 0x%x.\n",
6687 			    fn);
6688 			pci_dev_put(other_pdev);
6689 			break;
6690 		}
6691 		pci_dev_put(other_pdev);
6692 	}
6693 
6694 	if (!fn) {
6695 		/* Reset owner */
6696 		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
6697 		    "This devfn is reset owner = 0x%x.\n",
6698 		    ha->pdev->devfn);
6699 		qla82xx_idc_lock(ha);
6700 
6701 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6702 		    QLA8XXX_DEV_INITIALIZING);
6703 
6704 		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
6705 		    QLA82XX_IDC_VERSION);
6706 
6707 		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6708 		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
6709 		    "drv_active = 0x%x.\n", drv_active);
6710 
6711 		qla82xx_idc_unlock(ha);
6712 		/* Reset if device is not already reset
6713 		 * drv_active would be 0 if a reset has already been done
6714 		 */
6715 		if (drv_active)
6716 			rval = qla82xx_start_firmware(base_vha);
6717 		else
6718 			rval = QLA_SUCCESS;
6719 		qla82xx_idc_lock(ha);
6720 
6721 		if (rval != QLA_SUCCESS) {
6722 			ql_log(ql_log_info, base_vha, 0x900b,
6723 			    "HW State: FAILED.\n");
6724 			qla82xx_clear_drv_active(ha);
6725 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6726 			    QLA8XXX_DEV_FAILED);
6727 		} else {
6728 			ql_log(ql_log_info, base_vha, 0x900c,
6729 			    "HW State: READY.\n");
6730 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6731 			    QLA8XXX_DEV_READY);
6732 			qla82xx_idc_unlock(ha);
6733 			ha->flags.isp82xx_fw_hung = 0;
6734 			rval = qla82xx_restart_isp(base_vha);
6735 			qla82xx_idc_lock(ha);
6736 			/* Clear driver state register */
6737 			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
6738 			qla82xx_set_drv_active(base_vha);
6739 		}
6740 		qla82xx_idc_unlock(ha);
6741 	} else {
6742 		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
6743 		    "This devfn is not reset owner = 0x%x.\n",
6744 		    ha->pdev->devfn);
6745 		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6746 		    QLA8XXX_DEV_READY)) {
6747 			ha->flags.isp82xx_fw_hung = 0;
6748 			rval = qla82xx_restart_isp(base_vha);
6749 			qla82xx_idc_lock(ha);
6750 			qla82xx_set_drv_active(base_vha);
6751 			qla82xx_idc_unlock(ha);
6752 		}
6753 	}
6754 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6755 
6756 	return rval;
6757 }
6758 
6759 static pci_ers_result_t
6760 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
6761 {
6762 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6763 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6764 	struct qla_hw_data *ha = base_vha->hw;
6765 	struct rsp_que *rsp;
6766 	int rc, retries = 10;
6767 
6768 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
6769 	    "Slot Reset.\n");
6770 
6771 	/* Workaround: qla2xxx driver which access hardware earlier
6772 	 * needs error state to be pci_channel_io_online.
6773 	 * Otherwise mailbox command timesout.
6774 	 */
6775 	pdev->error_state = pci_channel_io_normal;
6776 
6777 	pci_restore_state(pdev);
6778 
6779 	/* pci_restore_state() clears the saved_state flag of the device
6780 	 * save restored state which resets saved_state flag
6781 	 */
6782 	pci_save_state(pdev);
6783 
6784 	if (ha->mem_only)
6785 		rc = pci_enable_device_mem(pdev);
6786 	else
6787 		rc = pci_enable_device(pdev);
6788 
6789 	if (rc) {
6790 		ql_log(ql_log_warn, base_vha, 0x9005,
6791 		    "Can't re-enable PCI device after reset.\n");
6792 		goto exit_slot_reset;
6793 	}
6794 
6795 	rsp = ha->rsp_q_map[0];
6796 	if (qla2x00_request_irqs(ha, rsp))
6797 		goto exit_slot_reset;
6798 
6799 	if (ha->isp_ops->pci_config(base_vha))
6800 		goto exit_slot_reset;
6801 
6802 	if (IS_QLA82XX(ha)) {
6803 		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
6804 			ret = PCI_ERS_RESULT_RECOVERED;
6805 			goto exit_slot_reset;
6806 		} else
6807 			goto exit_slot_reset;
6808 	}
6809 
6810 	while (ha->flags.mbox_busy && retries--)
6811 		msleep(1000);
6812 
6813 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6814 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6815 		ret =  PCI_ERS_RESULT_RECOVERED;
6816 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6817 
6818 
6819 exit_slot_reset:
6820 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
6821 	    "slot_reset return %x.\n", ret);
6822 
6823 	return ret;
6824 }
6825 
6826 static void
6827 qla2xxx_pci_resume(struct pci_dev *pdev)
6828 {
6829 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6830 	struct qla_hw_data *ha = base_vha->hw;
6831 	int ret;
6832 
6833 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
6834 	    "pci_resume.\n");
6835 
6836 	ret = qla2x00_wait_for_hba_online(base_vha);
6837 	if (ret != QLA_SUCCESS) {
6838 		ql_log(ql_log_fatal, base_vha, 0x9002,
6839 		    "The device failed to resume I/O from slot/link_reset.\n");
6840 	}
6841 
6842 	pci_cleanup_aer_uncorrect_error_status(pdev);
6843 
6844 	ha->flags.eeh_busy = 0;
6845 }
6846 
6847 static int qla2xxx_map_queues(struct Scsi_Host *shost)
6848 {
6849 	int rc;
6850 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
6851 
6852 	if (USER_CTRL_IRQ(vha->hw))
6853 		rc = blk_mq_map_queues(&shost->tag_set);
6854 	else
6855 		rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev, 0);
6856 	return rc;
6857 }
6858 
6859 static const struct pci_error_handlers qla2xxx_err_handler = {
6860 	.error_detected = qla2xxx_pci_error_detected,
6861 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
6862 	.slot_reset = qla2xxx_pci_slot_reset,
6863 	.resume = qla2xxx_pci_resume,
6864 };
6865 
6866 static struct pci_device_id qla2xxx_pci_tbl[] = {
6867 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
6868 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
6869 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
6870 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
6871 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
6872 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
6873 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
6874 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
6875 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
6876 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6877 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
6878 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6879 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6880 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6881 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6882 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6883 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6884 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6885 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6886 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6887 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6888 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6889 	{ 0 },
6890 };
6891 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
6892 
6893 static struct pci_driver qla2xxx_pci_driver = {
6894 	.name		= QLA2XXX_DRIVER_NAME,
6895 	.driver		= {
6896 		.owner		= THIS_MODULE,
6897 	},
6898 	.id_table	= qla2xxx_pci_tbl,
6899 	.probe		= qla2x00_probe_one,
6900 	.remove		= qla2x00_remove_one,
6901 	.shutdown	= qla2x00_shutdown,
6902 	.err_handler	= &qla2xxx_err_handler,
6903 };
6904 
6905 static const struct file_operations apidev_fops = {
6906 	.owner = THIS_MODULE,
6907 	.llseek = noop_llseek,
6908 };
6909 
6910 /**
6911  * qla2x00_module_init - Module initialization.
6912  **/
6913 static int __init
6914 qla2x00_module_init(void)
6915 {
6916 	int ret = 0;
6917 
6918 	/* Allocate cache for SRBs. */
6919 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6920 	    SLAB_HWCACHE_ALIGN, NULL);
6921 	if (srb_cachep == NULL) {
6922 		ql_log(ql_log_fatal, NULL, 0x0001,
6923 		    "Unable to allocate SRB cache...Failing load!.\n");
6924 		return -ENOMEM;
6925 	}
6926 
6927 	/* Initialize target kmem_cache and mem_pools */
6928 	ret = qlt_init();
6929 	if (ret < 0) {
6930 		kmem_cache_destroy(srb_cachep);
6931 		return ret;
6932 	} else if (ret > 0) {
6933 		/*
6934 		 * If initiator mode is explictly disabled by qlt_init(),
6935 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
6936 		 * performing scsi_scan_target() during LOOP UP event.
6937 		 */
6938 		qla2xxx_transport_functions.disable_target_scan = 1;
6939 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
6940 	}
6941 
6942 	/* Derive version string. */
6943 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6944 	if (ql2xextended_error_logging)
6945 		strcat(qla2x00_version_str, "-debug");
6946 	if (ql2xextended_error_logging == 1)
6947 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
6948 
6949 	qla2xxx_transport_template =
6950 	    fc_attach_transport(&qla2xxx_transport_functions);
6951 	if (!qla2xxx_transport_template) {
6952 		kmem_cache_destroy(srb_cachep);
6953 		ql_log(ql_log_fatal, NULL, 0x0002,
6954 		    "fc_attach_transport failed...Failing load!.\n");
6955 		qlt_exit();
6956 		return -ENODEV;
6957 	}
6958 
6959 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
6960 	if (apidev_major < 0) {
6961 		ql_log(ql_log_fatal, NULL, 0x0003,
6962 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6963 	}
6964 
6965 	qla2xxx_transport_vport_template =
6966 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
6967 	if (!qla2xxx_transport_vport_template) {
6968 		kmem_cache_destroy(srb_cachep);
6969 		qlt_exit();
6970 		fc_release_transport(qla2xxx_transport_template);
6971 		ql_log(ql_log_fatal, NULL, 0x0004,
6972 		    "fc_attach_transport vport failed...Failing load!.\n");
6973 		return -ENODEV;
6974 	}
6975 	ql_log(ql_log_info, NULL, 0x0005,
6976 	    "QLogic Fibre Channel HBA Driver: %s.\n",
6977 	    qla2x00_version_str);
6978 	ret = pci_register_driver(&qla2xxx_pci_driver);
6979 	if (ret) {
6980 		kmem_cache_destroy(srb_cachep);
6981 		qlt_exit();
6982 		fc_release_transport(qla2xxx_transport_template);
6983 		fc_release_transport(qla2xxx_transport_vport_template);
6984 		ql_log(ql_log_fatal, NULL, 0x0006,
6985 		    "pci_register_driver failed...ret=%d Failing load!.\n",
6986 		    ret);
6987 	}
6988 	return ret;
6989 }
6990 
6991 /**
6992  * qla2x00_module_exit - Module cleanup.
6993  **/
6994 static void __exit
6995 qla2x00_module_exit(void)
6996 {
6997 	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6998 	pci_unregister_driver(&qla2xxx_pci_driver);
6999 	qla2x00_release_firmware();
7000 	kmem_cache_destroy(srb_cachep);
7001 	qlt_exit();
7002 	if (ctx_cachep)
7003 		kmem_cache_destroy(ctx_cachep);
7004 	fc_release_transport(qla2xxx_transport_template);
7005 	fc_release_transport(qla2xxx_transport_vport_template);
7006 }
7007 
7008 module_init(qla2x00_module_init);
7009 module_exit(qla2x00_module_exit);
7010 
7011 MODULE_AUTHOR("QLogic Corporation");
7012 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7013 MODULE_LICENSE("GPL");
7014 MODULE_VERSION(QLA2XXX_VERSION);
7015 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7016 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7017 MODULE_FIRMWARE(FW_FILE_ISP2300);
7018 MODULE_FIRMWARE(FW_FILE_ISP2322);
7019 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7020 MODULE_FIRMWARE(FW_FILE_ISP25XX);
7021