xref: /linux/drivers/scsi/qla2xxx/qla_os.c (revision 402cb8dda949d9b8c0df20ad2527d139faad7ca1)
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 struct scsi_host_template qla2xxx_driver_template = {
307 	.module			= THIS_MODULE,
308 	.name			= QLA2XXX_DRIVER_NAME,
309 	.queuecommand		= qla2xxx_queuecommand,
310 
311 	.eh_timed_out		= fc_eh_timed_out,
312 	.eh_abort_handler	= qla2xxx_eh_abort,
313 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
314 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
315 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
316 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
317 
318 	.slave_configure	= qla2xxx_slave_configure,
319 
320 	.slave_alloc		= qla2xxx_slave_alloc,
321 	.slave_destroy		= qla2xxx_slave_destroy,
322 	.scan_finished		= qla2xxx_scan_finished,
323 	.scan_start		= qla2xxx_scan_start,
324 	.change_queue_depth	= scsi_change_queue_depth,
325 	.map_queues             = qla2xxx_map_queues,
326 	.this_id		= -1,
327 	.cmd_per_lun		= 3,
328 	.use_clustering		= ENABLE_CLUSTERING,
329 	.sg_tablesize		= SG_ALL,
330 
331 	.max_sectors		= 0xFFFF,
332 	.shost_attrs		= qla2x00_host_attrs,
333 
334 	.supported_mode		= MODE_INITIATOR,
335 	.track_queue_depth	= 1,
336 };
337 
338 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
339 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
340 
341 /* TODO Convert to inlines
342  *
343  * Timer routines
344  */
345 
346 __inline__ void
347 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
348 {
349 	timer_setup(&vha->timer, qla2x00_timer, 0);
350 	vha->timer.expires = jiffies + interval * HZ;
351 	add_timer(&vha->timer);
352 	vha->timer_active = 1;
353 }
354 
355 static inline void
356 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
357 {
358 	/* Currently used for 82XX only. */
359 	if (vha->device_flags & DFLG_DEV_FAILED) {
360 		ql_dbg(ql_dbg_timer, vha, 0x600d,
361 		    "Device in a failed state, returning.\n");
362 		return;
363 	}
364 
365 	mod_timer(&vha->timer, jiffies + interval * HZ);
366 }
367 
368 static __inline__ void
369 qla2x00_stop_timer(scsi_qla_host_t *vha)
370 {
371 	del_timer_sync(&vha->timer);
372 	vha->timer_active = 0;
373 }
374 
375 static int qla2x00_do_dpc(void *data);
376 
377 static void qla2x00_rst_aen(scsi_qla_host_t *);
378 
379 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
380 	struct req_que **, struct rsp_que **);
381 static void qla2x00_free_fw_dump(struct qla_hw_data *);
382 static void qla2x00_mem_free(struct qla_hw_data *);
383 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
384 	struct qla_qpair *qpair);
385 
386 /* -------------------------------------------------------------------------- */
387 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
388     struct rsp_que *rsp)
389 {
390 	struct qla_hw_data *ha = vha->hw;
391 	rsp->qpair = ha->base_qpair;
392 	rsp->req = req;
393 	ha->base_qpair->req = req;
394 	ha->base_qpair->rsp = rsp;
395 	ha->base_qpair->vha = vha;
396 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
397 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
398 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
399 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
400 	INIT_LIST_HEAD(&ha->base_qpair->nvme_done_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 = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
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 = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
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 (!ha->req_q_map)
475 		return;
476 
477 	if (IS_QLAFX00(ha)) {
478 		if (req && req->ring_fx00)
479 			dma_free_coherent(&ha->pdev->dev,
480 			    (req->length_fx00 + 1) * sizeof(request_t),
481 			    req->ring_fx00, req->dma_fx00);
482 	} else if (req && req->ring)
483 		dma_free_coherent(&ha->pdev->dev,
484 		(req->length + 1) * sizeof(request_t),
485 		req->ring, req->dma);
486 
487 	if (req) {
488 		kfree(req->outstanding_cmds);
489 		kfree(req);
490 	}
491 }
492 
493 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
494 {
495 	if (!ha->rsp_q_map)
496 		return;
497 
498 	if (IS_QLAFX00(ha)) {
499 		if (rsp && rsp->ring)
500 			dma_free_coherent(&ha->pdev->dev,
501 			    (rsp->length_fx00 + 1) * sizeof(request_t),
502 			    rsp->ring_fx00, rsp->dma_fx00);
503 	} else if (rsp && rsp->ring) {
504 		dma_free_coherent(&ha->pdev->dev,
505 		(rsp->length + 1) * sizeof(response_t),
506 		rsp->ring, rsp->dma);
507 	}
508 	if (rsp)
509 		kfree(rsp);
510 }
511 
512 static void qla2x00_free_queues(struct qla_hw_data *ha)
513 {
514 	struct req_que *req;
515 	struct rsp_que *rsp;
516 	int cnt;
517 	unsigned long flags;
518 
519 	if (ha->queue_pair_map) {
520 		kfree(ha->queue_pair_map);
521 		ha->queue_pair_map = NULL;
522 	}
523 	if (ha->base_qpair) {
524 		kfree(ha->base_qpair);
525 		ha->base_qpair = NULL;
526 	}
527 
528 	spin_lock_irqsave(&ha->hardware_lock, flags);
529 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
530 		if (!test_bit(cnt, ha->req_qid_map))
531 			continue;
532 
533 		req = ha->req_q_map[cnt];
534 		clear_bit(cnt, ha->req_qid_map);
535 		ha->req_q_map[cnt] = NULL;
536 
537 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
538 		qla2x00_free_req_que(ha, req);
539 		spin_lock_irqsave(&ha->hardware_lock, flags);
540 	}
541 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
542 
543 	kfree(ha->req_q_map);
544 	ha->req_q_map = NULL;
545 
546 
547 	spin_lock_irqsave(&ha->hardware_lock, flags);
548 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
549 		if (!test_bit(cnt, ha->rsp_qid_map))
550 			continue;
551 
552 		rsp = ha->rsp_q_map[cnt];
553 		clear_bit(cnt, ha->rsp_qid_map);
554 		ha->rsp_q_map[cnt] =  NULL;
555 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
556 		qla2x00_free_rsp_que(ha, rsp);
557 		spin_lock_irqsave(&ha->hardware_lock, flags);
558 	}
559 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
560 
561 	kfree(ha->rsp_q_map);
562 	ha->rsp_q_map = NULL;
563 }
564 
565 static char *
566 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
567 {
568 	struct qla_hw_data *ha = vha->hw;
569 	static char *pci_bus_modes[] = {
570 		"33", "66", "100", "133",
571 	};
572 	uint16_t pci_bus;
573 
574 	strcpy(str, "PCI");
575 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
576 	if (pci_bus) {
577 		strcat(str, "-X (");
578 		strcat(str, pci_bus_modes[pci_bus]);
579 	} else {
580 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
581 		strcat(str, " (");
582 		strcat(str, pci_bus_modes[pci_bus]);
583 	}
584 	strcat(str, " MHz)");
585 
586 	return (str);
587 }
588 
589 static char *
590 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
591 {
592 	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
593 	struct qla_hw_data *ha = vha->hw;
594 	uint32_t pci_bus;
595 
596 	if (pci_is_pcie(ha->pdev)) {
597 		char lwstr[6];
598 		uint32_t lstat, lspeed, lwidth;
599 
600 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
601 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
602 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
603 
604 		strcpy(str, "PCIe (");
605 		switch (lspeed) {
606 		case 1:
607 			strcat(str, "2.5GT/s ");
608 			break;
609 		case 2:
610 			strcat(str, "5.0GT/s ");
611 			break;
612 		case 3:
613 			strcat(str, "8.0GT/s ");
614 			break;
615 		default:
616 			strcat(str, "<unknown> ");
617 			break;
618 		}
619 		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
620 		strcat(str, lwstr);
621 
622 		return str;
623 	}
624 
625 	strcpy(str, "PCI");
626 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
627 	if (pci_bus == 0 || pci_bus == 8) {
628 		strcat(str, " (");
629 		strcat(str, pci_bus_modes[pci_bus >> 3]);
630 	} else {
631 		strcat(str, "-X ");
632 		if (pci_bus & BIT_2)
633 			strcat(str, "Mode 2");
634 		else
635 			strcat(str, "Mode 1");
636 		strcat(str, " (");
637 		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
638 	}
639 	strcat(str, " MHz)");
640 
641 	return str;
642 }
643 
644 static char *
645 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
646 {
647 	char un_str[10];
648 	struct qla_hw_data *ha = vha->hw;
649 
650 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
651 	    ha->fw_minor_version, ha->fw_subminor_version);
652 
653 	if (ha->fw_attributes & BIT_9) {
654 		strcat(str, "FLX");
655 		return (str);
656 	}
657 
658 	switch (ha->fw_attributes & 0xFF) {
659 	case 0x7:
660 		strcat(str, "EF");
661 		break;
662 	case 0x17:
663 		strcat(str, "TP");
664 		break;
665 	case 0x37:
666 		strcat(str, "IP");
667 		break;
668 	case 0x77:
669 		strcat(str, "VI");
670 		break;
671 	default:
672 		sprintf(un_str, "(%x)", ha->fw_attributes);
673 		strcat(str, un_str);
674 		break;
675 	}
676 	if (ha->fw_attributes & 0x100)
677 		strcat(str, "X");
678 
679 	return (str);
680 }
681 
682 static char *
683 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
684 {
685 	struct qla_hw_data *ha = vha->hw;
686 
687 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
688 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
689 	return str;
690 }
691 
692 void
693 qla2x00_sp_free_dma(void *ptr)
694 {
695 	srb_t *sp = ptr;
696 	struct qla_hw_data *ha = sp->vha->hw;
697 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
698 	void *ctx = GET_CMD_CTX_SP(sp);
699 
700 	if (sp->flags & SRB_DMA_VALID) {
701 		scsi_dma_unmap(cmd);
702 		sp->flags &= ~SRB_DMA_VALID;
703 	}
704 
705 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
706 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
707 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
708 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
709 	}
710 
711 	if (!ctx)
712 		goto end;
713 
714 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
715 		/* List assured to be having elements */
716 		qla2x00_clean_dsd_pool(ha, ctx);
717 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
718 	}
719 
720 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
721 		struct crc_context *ctx0 = ctx;
722 
723 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
724 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
725 	}
726 
727 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
728 		struct ct6_dsd *ctx1 = ctx;
729 
730 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
731 		    ctx1->fcp_cmnd_dma);
732 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
733 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
734 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
735 		mempool_free(ctx1, ha->ctx_mempool);
736 	}
737 
738 end:
739 	if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
740 		CMD_SP(cmd) = NULL;
741 		qla2x00_rel_sp(sp);
742 	}
743 }
744 
745 void
746 qla2x00_sp_compl(void *ptr, int res)
747 {
748 	srb_t *sp = ptr;
749 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
750 
751 	cmd->result = res;
752 
753 	if (atomic_read(&sp->ref_count) == 0) {
754 		ql_dbg(ql_dbg_io, sp->vha, 0x3015,
755 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
756 		    sp, GET_CMD_SP(sp));
757 		if (ql2xextended_error_logging & ql_dbg_io)
758 			WARN_ON(atomic_read(&sp->ref_count) == 0);
759 		return;
760 	}
761 	if (!atomic_dec_and_test(&sp->ref_count))
762 		return;
763 
764 	sp->free(sp);
765 	cmd->scsi_done(cmd);
766 }
767 
768 void
769 qla2xxx_qpair_sp_free_dma(void *ptr)
770 {
771 	srb_t *sp = (srb_t *)ptr;
772 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
773 	struct qla_hw_data *ha = sp->fcport->vha->hw;
774 	void *ctx = GET_CMD_CTX_SP(sp);
775 
776 	if (sp->flags & SRB_DMA_VALID) {
777 		scsi_dma_unmap(cmd);
778 		sp->flags &= ~SRB_DMA_VALID;
779 	}
780 
781 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
782 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
783 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
784 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
785 	}
786 
787 	if (!ctx)
788 		goto end;
789 
790 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
791 		/* List assured to be having elements */
792 		qla2x00_clean_dsd_pool(ha, ctx);
793 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
794 	}
795 
796 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
797 		struct crc_context *ctx0 = ctx;
798 
799 		dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
800 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
801 	}
802 
803 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
804 		struct ct6_dsd *ctx1 = ctx;
805 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
806 		    ctx1->fcp_cmnd_dma);
807 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
808 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
809 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
810 		mempool_free(ctx1, ha->ctx_mempool);
811 	}
812 end:
813 	CMD_SP(cmd) = NULL;
814 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
815 }
816 
817 void
818 qla2xxx_qpair_sp_compl(void *ptr, int res)
819 {
820 	srb_t *sp = ptr;
821 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
822 
823 	cmd->result = res;
824 
825 	if (atomic_read(&sp->ref_count) == 0) {
826 		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
827 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
828 		    sp, GET_CMD_SP(sp));
829 		if (ql2xextended_error_logging & ql_dbg_io)
830 			WARN_ON(atomic_read(&sp->ref_count) == 0);
831 		return;
832 	}
833 	if (!atomic_dec_and_test(&sp->ref_count))
834 		return;
835 
836 	sp->free(sp);
837 	cmd->scsi_done(cmd);
838 }
839 
840 /* If we are SP1 here, we need to still take and release the host_lock as SP1
841  * does not have the changes necessary to avoid taking host->host_lock.
842  */
843 static int
844 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
845 {
846 	scsi_qla_host_t *vha = shost_priv(host);
847 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
848 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
849 	struct qla_hw_data *ha = vha->hw;
850 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
851 	srb_t *sp;
852 	int rval;
853 	struct qla_qpair *qpair = NULL;
854 	uint32_t tag;
855 	uint16_t hwq;
856 
857 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
858 		cmd->result = DID_NO_CONNECT << 16;
859 		goto qc24_fail_command;
860 	}
861 
862 	if (ha->mqenable) {
863 		if (shost_use_blk_mq(vha->host)) {
864 			tag = blk_mq_unique_tag(cmd->request);
865 			hwq = blk_mq_unique_tag_to_hwq(tag);
866 			qpair = ha->queue_pair_map[hwq];
867 		} else if (vha->vp_idx && vha->qpair) {
868 			qpair = vha->qpair;
869 		}
870 
871 		if (qpair)
872 			return qla2xxx_mqueuecommand(host, cmd, qpair);
873 	}
874 
875 	if (ha->flags.eeh_busy) {
876 		if (ha->flags.pci_channel_io_perm_failure) {
877 			ql_dbg(ql_dbg_aer, vha, 0x9010,
878 			    "PCI Channel IO permanent failure, exiting "
879 			    "cmd=%p.\n", cmd);
880 			cmd->result = DID_NO_CONNECT << 16;
881 		} else {
882 			ql_dbg(ql_dbg_aer, vha, 0x9011,
883 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
884 			cmd->result = DID_REQUEUE << 16;
885 		}
886 		goto qc24_fail_command;
887 	}
888 
889 	rval = fc_remote_port_chkready(rport);
890 	if (rval) {
891 		cmd->result = rval;
892 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
893 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
894 		    cmd, rval);
895 		goto qc24_fail_command;
896 	}
897 
898 	if (!vha->flags.difdix_supported &&
899 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
900 			ql_dbg(ql_dbg_io, vha, 0x3004,
901 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
902 			    cmd);
903 			cmd->result = DID_NO_CONNECT << 16;
904 			goto qc24_fail_command;
905 	}
906 
907 	if (!fcport) {
908 		cmd->result = DID_NO_CONNECT << 16;
909 		goto qc24_fail_command;
910 	}
911 
912 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
913 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
914 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
915 			ql_dbg(ql_dbg_io, vha, 0x3005,
916 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
917 			    atomic_read(&fcport->state),
918 			    atomic_read(&base_vha->loop_state));
919 			cmd->result = DID_NO_CONNECT << 16;
920 			goto qc24_fail_command;
921 		}
922 		goto qc24_target_busy;
923 	}
924 
925 	/*
926 	 * Return target busy if we've received a non-zero retry_delay_timer
927 	 * in a FCP_RSP.
928 	 */
929 	if (fcport->retry_delay_timestamp == 0) {
930 		/* retry delay not set */
931 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
932 		fcport->retry_delay_timestamp = 0;
933 	else
934 		goto qc24_target_busy;
935 
936 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
937 	if (!sp)
938 		goto qc24_host_busy;
939 
940 	sp->u.scmd.cmd = cmd;
941 	sp->type = SRB_SCSI_CMD;
942 	atomic_set(&sp->ref_count, 1);
943 	CMD_SP(cmd) = (void *)sp;
944 	sp->free = qla2x00_sp_free_dma;
945 	sp->done = qla2x00_sp_compl;
946 
947 	rval = ha->isp_ops->start_scsi(sp);
948 	if (rval != QLA_SUCCESS) {
949 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
950 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
951 		goto qc24_host_busy_free_sp;
952 	}
953 
954 	return 0;
955 
956 qc24_host_busy_free_sp:
957 	sp->free(sp);
958 
959 qc24_host_busy:
960 	return SCSI_MLQUEUE_HOST_BUSY;
961 
962 qc24_target_busy:
963 	return SCSI_MLQUEUE_TARGET_BUSY;
964 
965 qc24_fail_command:
966 	cmd->scsi_done(cmd);
967 
968 	return 0;
969 }
970 
971 /* For MQ supported I/O */
972 int
973 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
974     struct qla_qpair *qpair)
975 {
976 	scsi_qla_host_t *vha = shost_priv(host);
977 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
978 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
979 	struct qla_hw_data *ha = vha->hw;
980 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
981 	srb_t *sp;
982 	int rval;
983 
984 	rval = fc_remote_port_chkready(rport);
985 	if (rval) {
986 		cmd->result = rval;
987 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
988 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
989 		    cmd, rval);
990 		goto qc24_fail_command;
991 	}
992 
993 	if (!fcport) {
994 		cmd->result = DID_NO_CONNECT << 16;
995 		goto qc24_fail_command;
996 	}
997 
998 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
999 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
1000 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1001 			ql_dbg(ql_dbg_io, vha, 0x3077,
1002 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
1003 			    atomic_read(&fcport->state),
1004 			    atomic_read(&base_vha->loop_state));
1005 			cmd->result = DID_NO_CONNECT << 16;
1006 			goto qc24_fail_command;
1007 		}
1008 		goto qc24_target_busy;
1009 	}
1010 
1011 	/*
1012 	 * Return target busy if we've received a non-zero retry_delay_timer
1013 	 * in a FCP_RSP.
1014 	 */
1015 	if (fcport->retry_delay_timestamp == 0) {
1016 		/* retry delay not set */
1017 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1018 		fcport->retry_delay_timestamp = 0;
1019 	else
1020 		goto qc24_target_busy;
1021 
1022 	sp = qla2xxx_get_qpair_sp(qpair, fcport, GFP_ATOMIC);
1023 	if (!sp)
1024 		goto qc24_host_busy;
1025 
1026 	sp->u.scmd.cmd = cmd;
1027 	sp->type = SRB_SCSI_CMD;
1028 	atomic_set(&sp->ref_count, 1);
1029 	CMD_SP(cmd) = (void *)sp;
1030 	sp->free = qla2xxx_qpair_sp_free_dma;
1031 	sp->done = qla2xxx_qpair_sp_compl;
1032 	sp->qpair = qpair;
1033 
1034 	rval = ha->isp_ops->start_scsi_mq(sp);
1035 	if (rval != QLA_SUCCESS) {
1036 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1037 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1038 		if (rval == QLA_INTERFACE_ERROR)
1039 			goto qc24_fail_command;
1040 		goto qc24_host_busy_free_sp;
1041 	}
1042 
1043 	return 0;
1044 
1045 qc24_host_busy_free_sp:
1046 	sp->free(sp);
1047 
1048 qc24_host_busy:
1049 	return SCSI_MLQUEUE_HOST_BUSY;
1050 
1051 qc24_target_busy:
1052 	return SCSI_MLQUEUE_TARGET_BUSY;
1053 
1054 qc24_fail_command:
1055 	cmd->scsi_done(cmd);
1056 
1057 	return 0;
1058 }
1059 
1060 /*
1061  * qla2x00_eh_wait_on_command
1062  *    Waits for the command to be returned by the Firmware for some
1063  *    max time.
1064  *
1065  * Input:
1066  *    cmd = Scsi Command to wait on.
1067  *
1068  * Return:
1069  *    Not Found : 0
1070  *    Found : 1
1071  */
1072 static int
1073 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1074 {
1075 #define ABORT_POLLING_PERIOD	1000
1076 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1077 	unsigned long wait_iter = ABORT_WAIT_ITER;
1078 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1079 	struct qla_hw_data *ha = vha->hw;
1080 	int ret = QLA_SUCCESS;
1081 
1082 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1083 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1084 		    "Return:eh_wait.\n");
1085 		return ret;
1086 	}
1087 
1088 	while (CMD_SP(cmd) && wait_iter--) {
1089 		msleep(ABORT_POLLING_PERIOD);
1090 	}
1091 	if (CMD_SP(cmd))
1092 		ret = QLA_FUNCTION_FAILED;
1093 
1094 	return ret;
1095 }
1096 
1097 /*
1098  * qla2x00_wait_for_hba_online
1099  *    Wait till the HBA is online after going through
1100  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1101  *    finally HBA is disabled ie marked offline
1102  *
1103  * Input:
1104  *     ha - pointer to host adapter structure
1105  *
1106  * Note:
1107  *    Does context switching-Release SPIN_LOCK
1108  *    (if any) before calling this routine.
1109  *
1110  * Return:
1111  *    Success (Adapter is online) : 0
1112  *    Failed  (Adapter is offline/disabled) : 1
1113  */
1114 int
1115 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1116 {
1117 	int		return_status;
1118 	unsigned long	wait_online;
1119 	struct qla_hw_data *ha = vha->hw;
1120 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1121 
1122 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1123 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1124 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1125 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1126 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1127 
1128 		msleep(1000);
1129 	}
1130 	if (base_vha->flags.online)
1131 		return_status = QLA_SUCCESS;
1132 	else
1133 		return_status = QLA_FUNCTION_FAILED;
1134 
1135 	return (return_status);
1136 }
1137 
1138 static inline int test_fcport_count(scsi_qla_host_t *vha)
1139 {
1140 	struct qla_hw_data *ha = vha->hw;
1141 	unsigned long flags;
1142 	int res;
1143 
1144 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1145 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1146 	    "tgt %p, fcport_count=%d\n",
1147 	    vha, vha->fcport_count);
1148 	res = (vha->fcport_count == 0);
1149 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1150 
1151 	return res;
1152 }
1153 
1154 /*
1155  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1156  * it has dependency on UNLOADING flag to stop device discovery
1157  */
1158 static void
1159 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1160 {
1161 	qla2x00_mark_all_devices_lost(vha, 0);
1162 
1163 	wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1164 }
1165 
1166 /*
1167  * qla2x00_wait_for_hba_ready
1168  * Wait till the HBA is ready before doing driver unload
1169  *
1170  * Input:
1171  *     ha - pointer to host adapter structure
1172  *
1173  * Note:
1174  *    Does context switching-Release SPIN_LOCK
1175  *    (if any) before calling this routine.
1176  *
1177  */
1178 static void
1179 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1180 {
1181 	struct qla_hw_data *ha = vha->hw;
1182 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1183 
1184 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1185 		ha->flags.mbox_busy) ||
1186 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1187 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1188 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1189 			break;
1190 		msleep(1000);
1191 	}
1192 }
1193 
1194 int
1195 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1196 {
1197 	int		return_status;
1198 	unsigned long	wait_reset;
1199 	struct qla_hw_data *ha = vha->hw;
1200 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1201 
1202 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1203 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1204 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1205 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1206 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1207 
1208 		msleep(1000);
1209 
1210 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1211 		    ha->flags.chip_reset_done)
1212 			break;
1213 	}
1214 	if (ha->flags.chip_reset_done)
1215 		return_status = QLA_SUCCESS;
1216 	else
1217 		return_status = QLA_FUNCTION_FAILED;
1218 
1219 	return return_status;
1220 }
1221 
1222 static void
1223 sp_get(struct srb *sp)
1224 {
1225 	atomic_inc(&sp->ref_count);
1226 }
1227 
1228 #define ISP_REG_DISCONNECT 0xffffffffU
1229 /**************************************************************************
1230 * qla2x00_isp_reg_stat
1231 *
1232 * Description:
1233 *	Read the host status register of ISP before aborting the command.
1234 *
1235 * Input:
1236 *	ha = pointer to host adapter structure.
1237 *
1238 *
1239 * Returns:
1240 *	Either true or false.
1241 *
1242 * Note:	Return true if there is register disconnect.
1243 **************************************************************************/
1244 static inline
1245 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1246 {
1247 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1248 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1249 
1250 	if (IS_P3P_TYPE(ha))
1251 		return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
1252 	else
1253 		return ((RD_REG_DWORD(&reg->host_status)) ==
1254 			ISP_REG_DISCONNECT);
1255 }
1256 
1257 /**************************************************************************
1258 * qla2xxx_eh_abort
1259 *
1260 * Description:
1261 *    The abort function will abort the specified command.
1262 *
1263 * Input:
1264 *    cmd = Linux SCSI command packet to be aborted.
1265 *
1266 * Returns:
1267 *    Either SUCCESS or FAILED.
1268 *
1269 * Note:
1270 *    Only return FAILED if command not returned by firmware.
1271 **************************************************************************/
1272 static int
1273 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1274 {
1275 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1276 	srb_t *sp;
1277 	int ret;
1278 	unsigned int id;
1279 	uint64_t lun;
1280 	unsigned long flags;
1281 	int rval, wait = 0;
1282 	struct qla_hw_data *ha = vha->hw;
1283 
1284 	if (qla2x00_isp_reg_stat(ha)) {
1285 		ql_log(ql_log_info, vha, 0x8042,
1286 		    "PCI/Register disconnect, exiting.\n");
1287 		return FAILED;
1288 	}
1289 	if (!CMD_SP(cmd))
1290 		return SUCCESS;
1291 
1292 	ret = fc_block_scsi_eh(cmd);
1293 	if (ret != 0)
1294 		return ret;
1295 	ret = SUCCESS;
1296 
1297 	id = cmd->device->id;
1298 	lun = cmd->device->lun;
1299 
1300 	spin_lock_irqsave(&ha->hardware_lock, flags);
1301 	sp = (srb_t *) CMD_SP(cmd);
1302 	if (!sp) {
1303 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1304 		return SUCCESS;
1305 	}
1306 
1307 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1308 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1309 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1310 
1311 	/* Get a reference to the sp and drop the lock.*/
1312 	sp_get(sp);
1313 
1314 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1315 	rval = ha->isp_ops->abort_command(sp);
1316 	if (rval) {
1317 		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1318 			ret = SUCCESS;
1319 		else
1320 			ret = FAILED;
1321 
1322 		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1323 		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1324 	} else {
1325 		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1326 		    "Abort command mbx success cmd=%p.\n", cmd);
1327 		wait = 1;
1328 	}
1329 
1330 	spin_lock_irqsave(&ha->hardware_lock, flags);
1331 	sp->done(sp, 0);
1332 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1333 
1334 	/* Did the command return during mailbox execution? */
1335 	if (ret == FAILED && !CMD_SP(cmd))
1336 		ret = SUCCESS;
1337 
1338 	/* Wait for the command to be returned. */
1339 	if (wait) {
1340 		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1341 			ql_log(ql_log_warn, vha, 0x8006,
1342 			    "Abort handler timed out cmd=%p.\n", cmd);
1343 			ret = FAILED;
1344 		}
1345 	}
1346 
1347 	ql_log(ql_log_info, vha, 0x801c,
1348 	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1349 	    vha->host_no, id, lun, wait, ret);
1350 
1351 	return ret;
1352 }
1353 
1354 int
1355 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1356 	uint64_t l, enum nexus_wait_type type)
1357 {
1358 	int cnt, match, status;
1359 	unsigned long flags;
1360 	struct qla_hw_data *ha = vha->hw;
1361 	struct req_que *req;
1362 	srb_t *sp;
1363 	struct scsi_cmnd *cmd;
1364 
1365 	status = QLA_SUCCESS;
1366 
1367 	spin_lock_irqsave(&ha->hardware_lock, flags);
1368 	req = vha->req;
1369 	for (cnt = 1; status == QLA_SUCCESS &&
1370 		cnt < req->num_outstanding_cmds; cnt++) {
1371 		sp = req->outstanding_cmds[cnt];
1372 		if (!sp)
1373 			continue;
1374 		if (sp->type != SRB_SCSI_CMD)
1375 			continue;
1376 		if (vha->vp_idx != sp->vha->vp_idx)
1377 			continue;
1378 		match = 0;
1379 		cmd = GET_CMD_SP(sp);
1380 		switch (type) {
1381 		case WAIT_HOST:
1382 			match = 1;
1383 			break;
1384 		case WAIT_TARGET:
1385 			match = cmd->device->id == t;
1386 			break;
1387 		case WAIT_LUN:
1388 			match = (cmd->device->id == t &&
1389 				cmd->device->lun == l);
1390 			break;
1391 		}
1392 		if (!match)
1393 			continue;
1394 
1395 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1396 		status = qla2x00_eh_wait_on_command(cmd);
1397 		spin_lock_irqsave(&ha->hardware_lock, flags);
1398 	}
1399 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1400 
1401 	return status;
1402 }
1403 
1404 static char *reset_errors[] = {
1405 	"HBA not online",
1406 	"HBA not ready",
1407 	"Task management failed",
1408 	"Waiting for command completions",
1409 };
1410 
1411 static int
1412 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1413     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1414 {
1415 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1416 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1417 	int err;
1418 
1419 	if (!fcport) {
1420 		return FAILED;
1421 	}
1422 
1423 	err = fc_block_scsi_eh(cmd);
1424 	if (err != 0)
1425 		return err;
1426 
1427 	ql_log(ql_log_info, vha, 0x8009,
1428 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1429 	    cmd->device->id, cmd->device->lun, cmd);
1430 
1431 	err = 0;
1432 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1433 		ql_log(ql_log_warn, vha, 0x800a,
1434 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1435 		goto eh_reset_failed;
1436 	}
1437 	err = 2;
1438 	if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1439 		!= QLA_SUCCESS) {
1440 		ql_log(ql_log_warn, vha, 0x800c,
1441 		    "do_reset failed for cmd=%p.\n", cmd);
1442 		goto eh_reset_failed;
1443 	}
1444 	err = 3;
1445 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1446 	    cmd->device->lun, type) != QLA_SUCCESS) {
1447 		ql_log(ql_log_warn, vha, 0x800d,
1448 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1449 		goto eh_reset_failed;
1450 	}
1451 
1452 	ql_log(ql_log_info, vha, 0x800e,
1453 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1454 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1455 
1456 	return SUCCESS;
1457 
1458 eh_reset_failed:
1459 	ql_log(ql_log_info, vha, 0x800f,
1460 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1461 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1462 	    cmd);
1463 	return FAILED;
1464 }
1465 
1466 static int
1467 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1468 {
1469 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1470 	struct qla_hw_data *ha = vha->hw;
1471 
1472 	if (qla2x00_isp_reg_stat(ha)) {
1473 		ql_log(ql_log_info, vha, 0x803e,
1474 		    "PCI/Register disconnect, exiting.\n");
1475 		return FAILED;
1476 	}
1477 
1478 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1479 	    ha->isp_ops->lun_reset);
1480 }
1481 
1482 static int
1483 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1484 {
1485 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1486 	struct qla_hw_data *ha = vha->hw;
1487 
1488 	if (qla2x00_isp_reg_stat(ha)) {
1489 		ql_log(ql_log_info, vha, 0x803f,
1490 		    "PCI/Register disconnect, exiting.\n");
1491 		return FAILED;
1492 	}
1493 
1494 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1495 	    ha->isp_ops->target_reset);
1496 }
1497 
1498 /**************************************************************************
1499 * qla2xxx_eh_bus_reset
1500 *
1501 * Description:
1502 *    The bus reset function will reset the bus and abort any executing
1503 *    commands.
1504 *
1505 * Input:
1506 *    cmd = Linux SCSI command packet of the command that cause the
1507 *          bus reset.
1508 *
1509 * Returns:
1510 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1511 *
1512 **************************************************************************/
1513 static int
1514 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1515 {
1516 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1517 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1518 	int ret = FAILED;
1519 	unsigned int id;
1520 	uint64_t lun;
1521 	struct qla_hw_data *ha = vha->hw;
1522 
1523 	if (qla2x00_isp_reg_stat(ha)) {
1524 		ql_log(ql_log_info, vha, 0x8040,
1525 		    "PCI/Register disconnect, exiting.\n");
1526 		return FAILED;
1527 	}
1528 
1529 	id = cmd->device->id;
1530 	lun = cmd->device->lun;
1531 
1532 	if (!fcport) {
1533 		return ret;
1534 	}
1535 
1536 	ret = fc_block_scsi_eh(cmd);
1537 	if (ret != 0)
1538 		return ret;
1539 	ret = FAILED;
1540 
1541 	ql_log(ql_log_info, vha, 0x8012,
1542 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1543 
1544 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1545 		ql_log(ql_log_fatal, vha, 0x8013,
1546 		    "Wait for hba online failed board disabled.\n");
1547 		goto eh_bus_reset_done;
1548 	}
1549 
1550 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1551 		ret = SUCCESS;
1552 
1553 	if (ret == FAILED)
1554 		goto eh_bus_reset_done;
1555 
1556 	/* Flush outstanding commands. */
1557 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1558 	    QLA_SUCCESS) {
1559 		ql_log(ql_log_warn, vha, 0x8014,
1560 		    "Wait for pending commands failed.\n");
1561 		ret = FAILED;
1562 	}
1563 
1564 eh_bus_reset_done:
1565 	ql_log(ql_log_warn, vha, 0x802b,
1566 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1567 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1568 
1569 	return ret;
1570 }
1571 
1572 /**************************************************************************
1573 * qla2xxx_eh_host_reset
1574 *
1575 * Description:
1576 *    The reset function will reset the Adapter.
1577 *
1578 * Input:
1579 *      cmd = Linux SCSI command packet of the command that cause the
1580 *            adapter reset.
1581 *
1582 * Returns:
1583 *      Either SUCCESS or FAILED.
1584 *
1585 * Note:
1586 **************************************************************************/
1587 static int
1588 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1589 {
1590 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1591 	struct qla_hw_data *ha = vha->hw;
1592 	int ret = FAILED;
1593 	unsigned int id;
1594 	uint64_t lun;
1595 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1596 
1597 	if (qla2x00_isp_reg_stat(ha)) {
1598 		ql_log(ql_log_info, vha, 0x8041,
1599 		    "PCI/Register disconnect, exiting.\n");
1600 		schedule_work(&ha->board_disable);
1601 		return SUCCESS;
1602 	}
1603 
1604 	id = cmd->device->id;
1605 	lun = cmd->device->lun;
1606 
1607 	ql_log(ql_log_info, vha, 0x8018,
1608 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1609 
1610 	/*
1611 	 * No point in issuing another reset if one is active.  Also do not
1612 	 * attempt a reset if we are updating flash.
1613 	 */
1614 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1615 		goto eh_host_reset_lock;
1616 
1617 	if (vha != base_vha) {
1618 		if (qla2x00_vp_abort_isp(vha))
1619 			goto eh_host_reset_lock;
1620 	} else {
1621 		if (IS_P3P_TYPE(vha->hw)) {
1622 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1623 				/* Ctx reset success */
1624 				ret = SUCCESS;
1625 				goto eh_host_reset_lock;
1626 			}
1627 			/* fall thru if ctx reset failed */
1628 		}
1629 		if (ha->wq)
1630 			flush_workqueue(ha->wq);
1631 
1632 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1633 		if (ha->isp_ops->abort_isp(base_vha)) {
1634 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1635 			/* failed. schedule dpc to try */
1636 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1637 
1638 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1639 				ql_log(ql_log_warn, vha, 0x802a,
1640 				    "wait for hba online failed.\n");
1641 				goto eh_host_reset_lock;
1642 			}
1643 		}
1644 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1645 	}
1646 
1647 	/* Waiting for command to be returned to OS.*/
1648 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1649 		QLA_SUCCESS)
1650 		ret = SUCCESS;
1651 
1652 eh_host_reset_lock:
1653 	ql_log(ql_log_info, vha, 0x8017,
1654 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1655 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1656 
1657 	return ret;
1658 }
1659 
1660 /*
1661 * qla2x00_loop_reset
1662 *      Issue loop reset.
1663 *
1664 * Input:
1665 *      ha = adapter block pointer.
1666 *
1667 * Returns:
1668 *      0 = success
1669 */
1670 int
1671 qla2x00_loop_reset(scsi_qla_host_t *vha)
1672 {
1673 	int ret;
1674 	struct fc_port *fcport;
1675 	struct qla_hw_data *ha = vha->hw;
1676 
1677 	if (IS_QLAFX00(ha)) {
1678 		return qlafx00_loop_reset(vha);
1679 	}
1680 
1681 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1682 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1683 			if (fcport->port_type != FCT_TARGET)
1684 				continue;
1685 
1686 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1687 			if (ret != QLA_SUCCESS) {
1688 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1689 				    "Bus Reset failed: Reset=%d "
1690 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1691 			}
1692 		}
1693 	}
1694 
1695 
1696 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1697 		atomic_set(&vha->loop_state, LOOP_DOWN);
1698 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1699 		qla2x00_mark_all_devices_lost(vha, 0);
1700 		ret = qla2x00_full_login_lip(vha);
1701 		if (ret != QLA_SUCCESS) {
1702 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1703 			    "full_login_lip=%d.\n", ret);
1704 		}
1705 	}
1706 
1707 	if (ha->flags.enable_lip_reset) {
1708 		ret = qla2x00_lip_reset(vha);
1709 		if (ret != QLA_SUCCESS)
1710 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1711 			    "lip_reset failed (%d).\n", ret);
1712 	}
1713 
1714 	/* Issue marker command only when we are going to start the I/O */
1715 	vha->marker_needed = 1;
1716 
1717 	return QLA_SUCCESS;
1718 }
1719 
1720 static void
1721 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1722 {
1723 	int cnt, status;
1724 	unsigned long flags;
1725 	srb_t *sp;
1726 	scsi_qla_host_t *vha = qp->vha;
1727 	struct qla_hw_data *ha = vha->hw;
1728 	struct req_que *req;
1729 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1730 	struct qla_tgt_cmd *cmd;
1731 	uint8_t trace = 0;
1732 
1733 	if (!ha->req_q_map)
1734 		return;
1735 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1736 	req = qp->req;
1737 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1738 		sp = req->outstanding_cmds[cnt];
1739 		if (sp) {
1740 			req->outstanding_cmds[cnt] = NULL;
1741 			if (sp->cmd_type == TYPE_SRB) {
1742 				if (sp->type == SRB_NVME_CMD ||
1743 				    sp->type == SRB_NVME_LS) {
1744 					sp_get(sp);
1745 					spin_unlock_irqrestore(qp->qp_lock_ptr,
1746 					    flags);
1747 					qla_nvme_abort(ha, sp);
1748 					spin_lock_irqsave(qp->qp_lock_ptr,
1749 					    flags);
1750 				} else if (GET_CMD_SP(sp) &&
1751 				    !ha->flags.eeh_busy &&
1752 				    (!test_bit(ABORT_ISP_ACTIVE,
1753 					&vha->dpc_flags)) &&
1754 				    (sp->type == SRB_SCSI_CMD)) {
1755 					/*
1756 					 * Don't abort commands in
1757 					 * adapter during EEH
1758 					 * recovery as it's not
1759 					 * accessible/responding.
1760 					 *
1761 					 * Get a reference to the sp
1762 					 * and drop the lock. The
1763 					 * reference ensures this
1764 					 * sp->done() call and not the
1765 					 * call in qla2xxx_eh_abort()
1766 					 * ends the SCSI command (with
1767 					 * result 'res').
1768 					 */
1769 					sp_get(sp);
1770 					spin_unlock_irqrestore(qp->qp_lock_ptr,
1771 					    flags);
1772 					status = qla2xxx_eh_abort(
1773 					    GET_CMD_SP(sp));
1774 					spin_lock_irqsave(qp->qp_lock_ptr,
1775 					    flags);
1776 					/*
1777 					 * Get rid of extra reference
1778 					 * if immediate exit from
1779 					 * ql2xxx_eh_abort
1780 					 */
1781 					if (status == FAILED &&
1782 					    (qla2x00_isp_reg_stat(ha)))
1783 						atomic_dec(
1784 						    &sp->ref_count);
1785 				}
1786 				sp->done(sp, res);
1787 			} else {
1788 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1789 				    qla_ini_mode_enabled(vha)) {
1790 					if (!trace)
1791 						ql_dbg(ql_dbg_tgt_mgt,
1792 						    vha, 0xf003,
1793 						    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1794 						    vha->dpc_flags);
1795 					continue;
1796 				}
1797 				cmd = (struct qla_tgt_cmd *)sp;
1798 				qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1799 			}
1800 		}
1801 	}
1802 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1803 }
1804 
1805 void
1806 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1807 {
1808 	int que;
1809 	struct qla_hw_data *ha = vha->hw;
1810 
1811 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1812 
1813 	for (que = 0; que < ha->max_qpairs; que++) {
1814 		if (!ha->queue_pair_map[que])
1815 			continue;
1816 
1817 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1818 	}
1819 }
1820 
1821 static int
1822 qla2xxx_slave_alloc(struct scsi_device *sdev)
1823 {
1824 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1825 
1826 	if (!rport || fc_remote_port_chkready(rport))
1827 		return -ENXIO;
1828 
1829 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1830 
1831 	return 0;
1832 }
1833 
1834 static int
1835 qla2xxx_slave_configure(struct scsi_device *sdev)
1836 {
1837 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1838 	struct req_que *req = vha->req;
1839 
1840 	if (IS_T10_PI_CAPABLE(vha->hw))
1841 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1842 
1843 	scsi_change_queue_depth(sdev, req->max_q_depth);
1844 	return 0;
1845 }
1846 
1847 static void
1848 qla2xxx_slave_destroy(struct scsi_device *sdev)
1849 {
1850 	sdev->hostdata = NULL;
1851 }
1852 
1853 /**
1854  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1855  * @ha: HA context
1856  *
1857  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1858  * supported addressing method.
1859  */
1860 static void
1861 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1862 {
1863 	/* Assume a 32bit DMA mask. */
1864 	ha->flags.enable_64bit_addressing = 0;
1865 
1866 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1867 		/* Any upper-dword bits set? */
1868 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1869 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1870 			/* Ok, a 64bit DMA mask is applicable. */
1871 			ha->flags.enable_64bit_addressing = 1;
1872 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1873 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1874 			return;
1875 		}
1876 	}
1877 
1878 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1879 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1880 }
1881 
1882 static void
1883 qla2x00_enable_intrs(struct qla_hw_data *ha)
1884 {
1885 	unsigned long flags = 0;
1886 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1887 
1888 	spin_lock_irqsave(&ha->hardware_lock, flags);
1889 	ha->interrupts_on = 1;
1890 	/* enable risc and host interrupts */
1891 	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1892 	RD_REG_WORD(&reg->ictrl);
1893 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1894 
1895 }
1896 
1897 static void
1898 qla2x00_disable_intrs(struct qla_hw_data *ha)
1899 {
1900 	unsigned long flags = 0;
1901 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1902 
1903 	spin_lock_irqsave(&ha->hardware_lock, flags);
1904 	ha->interrupts_on = 0;
1905 	/* disable risc and host interrupts */
1906 	WRT_REG_WORD(&reg->ictrl, 0);
1907 	RD_REG_WORD(&reg->ictrl);
1908 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1909 }
1910 
1911 static void
1912 qla24xx_enable_intrs(struct qla_hw_data *ha)
1913 {
1914 	unsigned long flags = 0;
1915 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1916 
1917 	spin_lock_irqsave(&ha->hardware_lock, flags);
1918 	ha->interrupts_on = 1;
1919 	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1920 	RD_REG_DWORD(&reg->ictrl);
1921 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1922 }
1923 
1924 static void
1925 qla24xx_disable_intrs(struct qla_hw_data *ha)
1926 {
1927 	unsigned long flags = 0;
1928 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1929 
1930 	if (IS_NOPOLLING_TYPE(ha))
1931 		return;
1932 	spin_lock_irqsave(&ha->hardware_lock, flags);
1933 	ha->interrupts_on = 0;
1934 	WRT_REG_DWORD(&reg->ictrl, 0);
1935 	RD_REG_DWORD(&reg->ictrl);
1936 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1937 }
1938 
1939 static int
1940 qla2x00_iospace_config(struct qla_hw_data *ha)
1941 {
1942 	resource_size_t pio;
1943 	uint16_t msix;
1944 
1945 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1946 	    QLA2XXX_DRIVER_NAME)) {
1947 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1948 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1949 		    pci_name(ha->pdev));
1950 		goto iospace_error_exit;
1951 	}
1952 	if (!(ha->bars & 1))
1953 		goto skip_pio;
1954 
1955 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1956 	pio = pci_resource_start(ha->pdev, 0);
1957 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1958 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1959 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1960 			    "Invalid pci I/O region size (%s).\n",
1961 			    pci_name(ha->pdev));
1962 			pio = 0;
1963 		}
1964 	} else {
1965 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1966 		    "Region #0 no a PIO resource (%s).\n",
1967 		    pci_name(ha->pdev));
1968 		pio = 0;
1969 	}
1970 	ha->pio_address = pio;
1971 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1972 	    "PIO address=%llu.\n",
1973 	    (unsigned long long)ha->pio_address);
1974 
1975 skip_pio:
1976 	/* Use MMIO operations for all accesses. */
1977 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1978 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1979 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1980 		    pci_name(ha->pdev));
1981 		goto iospace_error_exit;
1982 	}
1983 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1984 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1985 		    "Invalid PCI mem region size (%s), aborting.\n",
1986 		    pci_name(ha->pdev));
1987 		goto iospace_error_exit;
1988 	}
1989 
1990 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1991 	if (!ha->iobase) {
1992 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1993 		    "Cannot remap MMIO (%s), aborting.\n",
1994 		    pci_name(ha->pdev));
1995 		goto iospace_error_exit;
1996 	}
1997 
1998 	/* Determine queue resources */
1999 	ha->max_req_queues = ha->max_rsp_queues = 1;
2000 	ha->msix_count = QLA_BASE_VECTORS;
2001 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2002 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2003 		goto mqiobase_exit;
2004 
2005 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2006 			pci_resource_len(ha->pdev, 3));
2007 	if (ha->mqiobase) {
2008 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2009 		    "MQIO Base=%p.\n", ha->mqiobase);
2010 		/* Read MSIX vector size of the board */
2011 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2012 		ha->msix_count = msix + 1;
2013 		/* Max queues are bounded by available msix vectors */
2014 		/* MB interrupt uses 1 vector */
2015 		ha->max_req_queues = ha->msix_count - 1;
2016 		ha->max_rsp_queues = ha->max_req_queues;
2017 		/* Queue pairs is the max value minus the base queue pair */
2018 		ha->max_qpairs = ha->max_rsp_queues - 1;
2019 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2020 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2021 
2022 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2023 		    "MSI-X vector count: %d.\n", ha->msix_count);
2024 	} else
2025 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2026 		    "BAR 3 not enabled.\n");
2027 
2028 mqiobase_exit:
2029 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2030 	    "MSIX Count: %d.\n", ha->msix_count);
2031 	return (0);
2032 
2033 iospace_error_exit:
2034 	return (-ENOMEM);
2035 }
2036 
2037 
2038 static int
2039 qla83xx_iospace_config(struct qla_hw_data *ha)
2040 {
2041 	uint16_t msix;
2042 
2043 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2044 	    QLA2XXX_DRIVER_NAME)) {
2045 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2046 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2047 		    pci_name(ha->pdev));
2048 
2049 		goto iospace_error_exit;
2050 	}
2051 
2052 	/* Use MMIO operations for all accesses. */
2053 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2054 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2055 		    "Invalid pci I/O region size (%s).\n",
2056 		    pci_name(ha->pdev));
2057 		goto iospace_error_exit;
2058 	}
2059 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2060 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2061 		    "Invalid PCI mem region size (%s), aborting\n",
2062 			pci_name(ha->pdev));
2063 		goto iospace_error_exit;
2064 	}
2065 
2066 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2067 	if (!ha->iobase) {
2068 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2069 		    "Cannot remap MMIO (%s), aborting.\n",
2070 		    pci_name(ha->pdev));
2071 		goto iospace_error_exit;
2072 	}
2073 
2074 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2075 	/* 83XX 26XX always use MQ type access for queues
2076 	 * - mbar 2, a.k.a region 4 */
2077 	ha->max_req_queues = ha->max_rsp_queues = 1;
2078 	ha->msix_count = QLA_BASE_VECTORS;
2079 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2080 			pci_resource_len(ha->pdev, 4));
2081 
2082 	if (!ha->mqiobase) {
2083 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2084 		    "BAR2/region4 not enabled\n");
2085 		goto mqiobase_exit;
2086 	}
2087 
2088 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2089 			pci_resource_len(ha->pdev, 2));
2090 	if (ha->msixbase) {
2091 		/* Read MSIX vector size of the board */
2092 		pci_read_config_word(ha->pdev,
2093 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2094 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2095 		/*
2096 		 * By default, driver uses at least two msix vectors
2097 		 * (default & rspq)
2098 		 */
2099 		if (ql2xmqsupport || ql2xnvmeenable) {
2100 			/* MB interrupt uses 1 vector */
2101 			ha->max_req_queues = ha->msix_count - 1;
2102 
2103 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2104 			if (QLA_TGT_MODE_ENABLED())
2105 				ha->max_req_queues--;
2106 
2107 			ha->max_rsp_queues = ha->max_req_queues;
2108 
2109 			/* Queue pairs is the max value minus
2110 			 * the base queue pair */
2111 			ha->max_qpairs = ha->max_req_queues - 1;
2112 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2113 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2114 		}
2115 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2116 		    "MSI-X vector count: %d.\n", ha->msix_count);
2117 	} else
2118 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2119 		    "BAR 1 not enabled.\n");
2120 
2121 mqiobase_exit:
2122 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2123 	    "MSIX Count: %d.\n", ha->msix_count);
2124 	return 0;
2125 
2126 iospace_error_exit:
2127 	return -ENOMEM;
2128 }
2129 
2130 static struct isp_operations qla2100_isp_ops = {
2131 	.pci_config		= qla2100_pci_config,
2132 	.reset_chip		= qla2x00_reset_chip,
2133 	.chip_diag		= qla2x00_chip_diag,
2134 	.config_rings		= qla2x00_config_rings,
2135 	.reset_adapter		= qla2x00_reset_adapter,
2136 	.nvram_config		= qla2x00_nvram_config,
2137 	.update_fw_options	= qla2x00_update_fw_options,
2138 	.load_risc		= qla2x00_load_risc,
2139 	.pci_info_str		= qla2x00_pci_info_str,
2140 	.fw_version_str		= qla2x00_fw_version_str,
2141 	.intr_handler		= qla2100_intr_handler,
2142 	.enable_intrs		= qla2x00_enable_intrs,
2143 	.disable_intrs		= qla2x00_disable_intrs,
2144 	.abort_command		= qla2x00_abort_command,
2145 	.target_reset		= qla2x00_abort_target,
2146 	.lun_reset		= qla2x00_lun_reset,
2147 	.fabric_login		= qla2x00_login_fabric,
2148 	.fabric_logout		= qla2x00_fabric_logout,
2149 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2150 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2151 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2152 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2153 	.read_nvram		= qla2x00_read_nvram_data,
2154 	.write_nvram		= qla2x00_write_nvram_data,
2155 	.fw_dump		= qla2100_fw_dump,
2156 	.beacon_on		= NULL,
2157 	.beacon_off		= NULL,
2158 	.beacon_blink		= NULL,
2159 	.read_optrom		= qla2x00_read_optrom_data,
2160 	.write_optrom		= qla2x00_write_optrom_data,
2161 	.get_flash_version	= qla2x00_get_flash_version,
2162 	.start_scsi		= qla2x00_start_scsi,
2163 	.start_scsi_mq          = NULL,
2164 	.abort_isp		= qla2x00_abort_isp,
2165 	.iospace_config     	= qla2x00_iospace_config,
2166 	.initialize_adapter	= qla2x00_initialize_adapter,
2167 };
2168 
2169 static struct isp_operations qla2300_isp_ops = {
2170 	.pci_config		= qla2300_pci_config,
2171 	.reset_chip		= qla2x00_reset_chip,
2172 	.chip_diag		= qla2x00_chip_diag,
2173 	.config_rings		= qla2x00_config_rings,
2174 	.reset_adapter		= qla2x00_reset_adapter,
2175 	.nvram_config		= qla2x00_nvram_config,
2176 	.update_fw_options	= qla2x00_update_fw_options,
2177 	.load_risc		= qla2x00_load_risc,
2178 	.pci_info_str		= qla2x00_pci_info_str,
2179 	.fw_version_str		= qla2x00_fw_version_str,
2180 	.intr_handler		= qla2300_intr_handler,
2181 	.enable_intrs		= qla2x00_enable_intrs,
2182 	.disable_intrs		= qla2x00_disable_intrs,
2183 	.abort_command		= qla2x00_abort_command,
2184 	.target_reset		= qla2x00_abort_target,
2185 	.lun_reset		= qla2x00_lun_reset,
2186 	.fabric_login		= qla2x00_login_fabric,
2187 	.fabric_logout		= qla2x00_fabric_logout,
2188 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2189 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2190 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2191 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2192 	.read_nvram		= qla2x00_read_nvram_data,
2193 	.write_nvram		= qla2x00_write_nvram_data,
2194 	.fw_dump		= qla2300_fw_dump,
2195 	.beacon_on		= qla2x00_beacon_on,
2196 	.beacon_off		= qla2x00_beacon_off,
2197 	.beacon_blink		= qla2x00_beacon_blink,
2198 	.read_optrom		= qla2x00_read_optrom_data,
2199 	.write_optrom		= qla2x00_write_optrom_data,
2200 	.get_flash_version	= qla2x00_get_flash_version,
2201 	.start_scsi		= qla2x00_start_scsi,
2202 	.start_scsi_mq          = NULL,
2203 	.abort_isp		= qla2x00_abort_isp,
2204 	.iospace_config		= qla2x00_iospace_config,
2205 	.initialize_adapter	= qla2x00_initialize_adapter,
2206 };
2207 
2208 static struct isp_operations qla24xx_isp_ops = {
2209 	.pci_config		= qla24xx_pci_config,
2210 	.reset_chip		= qla24xx_reset_chip,
2211 	.chip_diag		= qla24xx_chip_diag,
2212 	.config_rings		= qla24xx_config_rings,
2213 	.reset_adapter		= qla24xx_reset_adapter,
2214 	.nvram_config		= qla24xx_nvram_config,
2215 	.update_fw_options	= qla24xx_update_fw_options,
2216 	.load_risc		= qla24xx_load_risc,
2217 	.pci_info_str		= qla24xx_pci_info_str,
2218 	.fw_version_str		= qla24xx_fw_version_str,
2219 	.intr_handler		= qla24xx_intr_handler,
2220 	.enable_intrs		= qla24xx_enable_intrs,
2221 	.disable_intrs		= qla24xx_disable_intrs,
2222 	.abort_command		= qla24xx_abort_command,
2223 	.target_reset		= qla24xx_abort_target,
2224 	.lun_reset		= qla24xx_lun_reset,
2225 	.fabric_login		= qla24xx_login_fabric,
2226 	.fabric_logout		= qla24xx_fabric_logout,
2227 	.calc_req_entries	= NULL,
2228 	.build_iocbs		= NULL,
2229 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2230 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2231 	.read_nvram		= qla24xx_read_nvram_data,
2232 	.write_nvram		= qla24xx_write_nvram_data,
2233 	.fw_dump		= qla24xx_fw_dump,
2234 	.beacon_on		= qla24xx_beacon_on,
2235 	.beacon_off		= qla24xx_beacon_off,
2236 	.beacon_blink		= qla24xx_beacon_blink,
2237 	.read_optrom		= qla24xx_read_optrom_data,
2238 	.write_optrom		= qla24xx_write_optrom_data,
2239 	.get_flash_version	= qla24xx_get_flash_version,
2240 	.start_scsi		= qla24xx_start_scsi,
2241 	.start_scsi_mq          = NULL,
2242 	.abort_isp		= qla2x00_abort_isp,
2243 	.iospace_config		= qla2x00_iospace_config,
2244 	.initialize_adapter	= qla2x00_initialize_adapter,
2245 };
2246 
2247 static struct isp_operations qla25xx_isp_ops = {
2248 	.pci_config		= qla25xx_pci_config,
2249 	.reset_chip		= qla24xx_reset_chip,
2250 	.chip_diag		= qla24xx_chip_diag,
2251 	.config_rings		= qla24xx_config_rings,
2252 	.reset_adapter		= qla24xx_reset_adapter,
2253 	.nvram_config		= qla24xx_nvram_config,
2254 	.update_fw_options	= qla24xx_update_fw_options,
2255 	.load_risc		= qla24xx_load_risc,
2256 	.pci_info_str		= qla24xx_pci_info_str,
2257 	.fw_version_str		= qla24xx_fw_version_str,
2258 	.intr_handler		= qla24xx_intr_handler,
2259 	.enable_intrs		= qla24xx_enable_intrs,
2260 	.disable_intrs		= qla24xx_disable_intrs,
2261 	.abort_command		= qla24xx_abort_command,
2262 	.target_reset		= qla24xx_abort_target,
2263 	.lun_reset		= qla24xx_lun_reset,
2264 	.fabric_login		= qla24xx_login_fabric,
2265 	.fabric_logout		= qla24xx_fabric_logout,
2266 	.calc_req_entries	= NULL,
2267 	.build_iocbs		= NULL,
2268 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2269 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2270 	.read_nvram		= qla25xx_read_nvram_data,
2271 	.write_nvram		= qla25xx_write_nvram_data,
2272 	.fw_dump		= qla25xx_fw_dump,
2273 	.beacon_on		= qla24xx_beacon_on,
2274 	.beacon_off		= qla24xx_beacon_off,
2275 	.beacon_blink		= qla24xx_beacon_blink,
2276 	.read_optrom		= qla25xx_read_optrom_data,
2277 	.write_optrom		= qla24xx_write_optrom_data,
2278 	.get_flash_version	= qla24xx_get_flash_version,
2279 	.start_scsi		= qla24xx_dif_start_scsi,
2280 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2281 	.abort_isp		= qla2x00_abort_isp,
2282 	.iospace_config		= qla2x00_iospace_config,
2283 	.initialize_adapter	= qla2x00_initialize_adapter,
2284 };
2285 
2286 static struct isp_operations qla81xx_isp_ops = {
2287 	.pci_config		= qla25xx_pci_config,
2288 	.reset_chip		= qla24xx_reset_chip,
2289 	.chip_diag		= qla24xx_chip_diag,
2290 	.config_rings		= qla24xx_config_rings,
2291 	.reset_adapter		= qla24xx_reset_adapter,
2292 	.nvram_config		= qla81xx_nvram_config,
2293 	.update_fw_options	= qla81xx_update_fw_options,
2294 	.load_risc		= qla81xx_load_risc,
2295 	.pci_info_str		= qla24xx_pci_info_str,
2296 	.fw_version_str		= qla24xx_fw_version_str,
2297 	.intr_handler		= qla24xx_intr_handler,
2298 	.enable_intrs		= qla24xx_enable_intrs,
2299 	.disable_intrs		= qla24xx_disable_intrs,
2300 	.abort_command		= qla24xx_abort_command,
2301 	.target_reset		= qla24xx_abort_target,
2302 	.lun_reset		= qla24xx_lun_reset,
2303 	.fabric_login		= qla24xx_login_fabric,
2304 	.fabric_logout		= qla24xx_fabric_logout,
2305 	.calc_req_entries	= NULL,
2306 	.build_iocbs		= NULL,
2307 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2308 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2309 	.read_nvram		= NULL,
2310 	.write_nvram		= NULL,
2311 	.fw_dump		= qla81xx_fw_dump,
2312 	.beacon_on		= qla24xx_beacon_on,
2313 	.beacon_off		= qla24xx_beacon_off,
2314 	.beacon_blink		= qla83xx_beacon_blink,
2315 	.read_optrom		= qla25xx_read_optrom_data,
2316 	.write_optrom		= qla24xx_write_optrom_data,
2317 	.get_flash_version	= qla24xx_get_flash_version,
2318 	.start_scsi		= qla24xx_dif_start_scsi,
2319 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2320 	.abort_isp		= qla2x00_abort_isp,
2321 	.iospace_config		= qla2x00_iospace_config,
2322 	.initialize_adapter	= qla2x00_initialize_adapter,
2323 };
2324 
2325 static struct isp_operations qla82xx_isp_ops = {
2326 	.pci_config		= qla82xx_pci_config,
2327 	.reset_chip		= qla82xx_reset_chip,
2328 	.chip_diag		= qla24xx_chip_diag,
2329 	.config_rings		= qla82xx_config_rings,
2330 	.reset_adapter		= qla24xx_reset_adapter,
2331 	.nvram_config		= qla81xx_nvram_config,
2332 	.update_fw_options	= qla24xx_update_fw_options,
2333 	.load_risc		= qla82xx_load_risc,
2334 	.pci_info_str		= qla24xx_pci_info_str,
2335 	.fw_version_str		= qla24xx_fw_version_str,
2336 	.intr_handler		= qla82xx_intr_handler,
2337 	.enable_intrs		= qla82xx_enable_intrs,
2338 	.disable_intrs		= qla82xx_disable_intrs,
2339 	.abort_command		= qla24xx_abort_command,
2340 	.target_reset		= qla24xx_abort_target,
2341 	.lun_reset		= qla24xx_lun_reset,
2342 	.fabric_login		= qla24xx_login_fabric,
2343 	.fabric_logout		= qla24xx_fabric_logout,
2344 	.calc_req_entries	= NULL,
2345 	.build_iocbs		= NULL,
2346 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2347 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2348 	.read_nvram		= qla24xx_read_nvram_data,
2349 	.write_nvram		= qla24xx_write_nvram_data,
2350 	.fw_dump		= qla82xx_fw_dump,
2351 	.beacon_on		= qla82xx_beacon_on,
2352 	.beacon_off		= qla82xx_beacon_off,
2353 	.beacon_blink		= NULL,
2354 	.read_optrom		= qla82xx_read_optrom_data,
2355 	.write_optrom		= qla82xx_write_optrom_data,
2356 	.get_flash_version	= qla82xx_get_flash_version,
2357 	.start_scsi             = qla82xx_start_scsi,
2358 	.start_scsi_mq          = NULL,
2359 	.abort_isp		= qla82xx_abort_isp,
2360 	.iospace_config     	= qla82xx_iospace_config,
2361 	.initialize_adapter	= qla2x00_initialize_adapter,
2362 };
2363 
2364 static struct isp_operations qla8044_isp_ops = {
2365 	.pci_config		= qla82xx_pci_config,
2366 	.reset_chip		= qla82xx_reset_chip,
2367 	.chip_diag		= qla24xx_chip_diag,
2368 	.config_rings		= qla82xx_config_rings,
2369 	.reset_adapter		= qla24xx_reset_adapter,
2370 	.nvram_config		= qla81xx_nvram_config,
2371 	.update_fw_options	= qla24xx_update_fw_options,
2372 	.load_risc		= qla82xx_load_risc,
2373 	.pci_info_str		= qla24xx_pci_info_str,
2374 	.fw_version_str		= qla24xx_fw_version_str,
2375 	.intr_handler		= qla8044_intr_handler,
2376 	.enable_intrs		= qla82xx_enable_intrs,
2377 	.disable_intrs		= qla82xx_disable_intrs,
2378 	.abort_command		= qla24xx_abort_command,
2379 	.target_reset		= qla24xx_abort_target,
2380 	.lun_reset		= qla24xx_lun_reset,
2381 	.fabric_login		= qla24xx_login_fabric,
2382 	.fabric_logout		= qla24xx_fabric_logout,
2383 	.calc_req_entries	= NULL,
2384 	.build_iocbs		= NULL,
2385 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2386 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2387 	.read_nvram		= NULL,
2388 	.write_nvram		= NULL,
2389 	.fw_dump		= qla8044_fw_dump,
2390 	.beacon_on		= qla82xx_beacon_on,
2391 	.beacon_off		= qla82xx_beacon_off,
2392 	.beacon_blink		= NULL,
2393 	.read_optrom		= qla8044_read_optrom_data,
2394 	.write_optrom		= qla8044_write_optrom_data,
2395 	.get_flash_version	= qla82xx_get_flash_version,
2396 	.start_scsi             = qla82xx_start_scsi,
2397 	.start_scsi_mq          = NULL,
2398 	.abort_isp		= qla8044_abort_isp,
2399 	.iospace_config		= qla82xx_iospace_config,
2400 	.initialize_adapter	= qla2x00_initialize_adapter,
2401 };
2402 
2403 static struct isp_operations qla83xx_isp_ops = {
2404 	.pci_config		= qla25xx_pci_config,
2405 	.reset_chip		= qla24xx_reset_chip,
2406 	.chip_diag		= qla24xx_chip_diag,
2407 	.config_rings		= qla24xx_config_rings,
2408 	.reset_adapter		= qla24xx_reset_adapter,
2409 	.nvram_config		= qla81xx_nvram_config,
2410 	.update_fw_options	= qla81xx_update_fw_options,
2411 	.load_risc		= qla81xx_load_risc,
2412 	.pci_info_str		= qla24xx_pci_info_str,
2413 	.fw_version_str		= qla24xx_fw_version_str,
2414 	.intr_handler		= qla24xx_intr_handler,
2415 	.enable_intrs		= qla24xx_enable_intrs,
2416 	.disable_intrs		= qla24xx_disable_intrs,
2417 	.abort_command		= qla24xx_abort_command,
2418 	.target_reset		= qla24xx_abort_target,
2419 	.lun_reset		= qla24xx_lun_reset,
2420 	.fabric_login		= qla24xx_login_fabric,
2421 	.fabric_logout		= qla24xx_fabric_logout,
2422 	.calc_req_entries	= NULL,
2423 	.build_iocbs		= NULL,
2424 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2425 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2426 	.read_nvram		= NULL,
2427 	.write_nvram		= NULL,
2428 	.fw_dump		= qla83xx_fw_dump,
2429 	.beacon_on		= qla24xx_beacon_on,
2430 	.beacon_off		= qla24xx_beacon_off,
2431 	.beacon_blink		= qla83xx_beacon_blink,
2432 	.read_optrom		= qla25xx_read_optrom_data,
2433 	.write_optrom		= qla24xx_write_optrom_data,
2434 	.get_flash_version	= qla24xx_get_flash_version,
2435 	.start_scsi		= qla24xx_dif_start_scsi,
2436 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2437 	.abort_isp		= qla2x00_abort_isp,
2438 	.iospace_config		= qla83xx_iospace_config,
2439 	.initialize_adapter	= qla2x00_initialize_adapter,
2440 };
2441 
2442 static struct isp_operations qlafx00_isp_ops = {
2443 	.pci_config		= qlafx00_pci_config,
2444 	.reset_chip		= qlafx00_soft_reset,
2445 	.chip_diag		= qlafx00_chip_diag,
2446 	.config_rings		= qlafx00_config_rings,
2447 	.reset_adapter		= qlafx00_soft_reset,
2448 	.nvram_config		= NULL,
2449 	.update_fw_options	= NULL,
2450 	.load_risc		= NULL,
2451 	.pci_info_str		= qlafx00_pci_info_str,
2452 	.fw_version_str		= qlafx00_fw_version_str,
2453 	.intr_handler		= qlafx00_intr_handler,
2454 	.enable_intrs		= qlafx00_enable_intrs,
2455 	.disable_intrs		= qlafx00_disable_intrs,
2456 	.abort_command		= qla24xx_async_abort_command,
2457 	.target_reset		= qlafx00_abort_target,
2458 	.lun_reset		= qlafx00_lun_reset,
2459 	.fabric_login		= NULL,
2460 	.fabric_logout		= NULL,
2461 	.calc_req_entries	= NULL,
2462 	.build_iocbs		= NULL,
2463 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2464 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2465 	.read_nvram		= qla24xx_read_nvram_data,
2466 	.write_nvram		= qla24xx_write_nvram_data,
2467 	.fw_dump		= NULL,
2468 	.beacon_on		= qla24xx_beacon_on,
2469 	.beacon_off		= qla24xx_beacon_off,
2470 	.beacon_blink		= NULL,
2471 	.read_optrom		= qla24xx_read_optrom_data,
2472 	.write_optrom		= qla24xx_write_optrom_data,
2473 	.get_flash_version	= qla24xx_get_flash_version,
2474 	.start_scsi		= qlafx00_start_scsi,
2475 	.start_scsi_mq          = NULL,
2476 	.abort_isp		= qlafx00_abort_isp,
2477 	.iospace_config		= qlafx00_iospace_config,
2478 	.initialize_adapter	= qlafx00_initialize_adapter,
2479 };
2480 
2481 static struct isp_operations qla27xx_isp_ops = {
2482 	.pci_config		= qla25xx_pci_config,
2483 	.reset_chip		= qla24xx_reset_chip,
2484 	.chip_diag		= qla24xx_chip_diag,
2485 	.config_rings		= qla24xx_config_rings,
2486 	.reset_adapter		= qla24xx_reset_adapter,
2487 	.nvram_config		= qla81xx_nvram_config,
2488 	.update_fw_options	= qla81xx_update_fw_options,
2489 	.load_risc		= qla81xx_load_risc,
2490 	.pci_info_str		= qla24xx_pci_info_str,
2491 	.fw_version_str		= qla24xx_fw_version_str,
2492 	.intr_handler		= qla24xx_intr_handler,
2493 	.enable_intrs		= qla24xx_enable_intrs,
2494 	.disable_intrs		= qla24xx_disable_intrs,
2495 	.abort_command		= qla24xx_abort_command,
2496 	.target_reset		= qla24xx_abort_target,
2497 	.lun_reset		= qla24xx_lun_reset,
2498 	.fabric_login		= qla24xx_login_fabric,
2499 	.fabric_logout		= qla24xx_fabric_logout,
2500 	.calc_req_entries	= NULL,
2501 	.build_iocbs		= NULL,
2502 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2503 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2504 	.read_nvram		= NULL,
2505 	.write_nvram		= NULL,
2506 	.fw_dump		= qla27xx_fwdump,
2507 	.beacon_on		= qla24xx_beacon_on,
2508 	.beacon_off		= qla24xx_beacon_off,
2509 	.beacon_blink		= qla83xx_beacon_blink,
2510 	.read_optrom		= qla25xx_read_optrom_data,
2511 	.write_optrom		= qla24xx_write_optrom_data,
2512 	.get_flash_version	= qla24xx_get_flash_version,
2513 	.start_scsi		= qla24xx_dif_start_scsi,
2514 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2515 	.abort_isp		= qla2x00_abort_isp,
2516 	.iospace_config		= qla83xx_iospace_config,
2517 	.initialize_adapter	= qla2x00_initialize_adapter,
2518 };
2519 
2520 static inline void
2521 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2522 {
2523 	ha->device_type = DT_EXTENDED_IDS;
2524 	switch (ha->pdev->device) {
2525 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2526 		ha->isp_type |= DT_ISP2100;
2527 		ha->device_type &= ~DT_EXTENDED_IDS;
2528 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2529 		break;
2530 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2531 		ha->isp_type |= DT_ISP2200;
2532 		ha->device_type &= ~DT_EXTENDED_IDS;
2533 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2534 		break;
2535 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2536 		ha->isp_type |= DT_ISP2300;
2537 		ha->device_type |= DT_ZIO_SUPPORTED;
2538 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2539 		break;
2540 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2541 		ha->isp_type |= DT_ISP2312;
2542 		ha->device_type |= DT_ZIO_SUPPORTED;
2543 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2544 		break;
2545 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2546 		ha->isp_type |= DT_ISP2322;
2547 		ha->device_type |= DT_ZIO_SUPPORTED;
2548 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2549 		    ha->pdev->subsystem_device == 0x0170)
2550 			ha->device_type |= DT_OEM_001;
2551 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2552 		break;
2553 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2554 		ha->isp_type |= DT_ISP6312;
2555 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2556 		break;
2557 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2558 		ha->isp_type |= DT_ISP6322;
2559 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2560 		break;
2561 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2562 		ha->isp_type |= DT_ISP2422;
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_ISP2432:
2569 		ha->isp_type |= DT_ISP2432;
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_ISP8432:
2576 		ha->isp_type |= DT_ISP8432;
2577 		ha->device_type |= DT_ZIO_SUPPORTED;
2578 		ha->device_type |= DT_FWI2;
2579 		ha->device_type |= DT_IIDMA;
2580 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2581 		break;
2582 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2583 		ha->isp_type |= DT_ISP5422;
2584 		ha->device_type |= DT_FWI2;
2585 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2586 		break;
2587 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2588 		ha->isp_type |= DT_ISP5432;
2589 		ha->device_type |= DT_FWI2;
2590 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2591 		break;
2592 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2593 		ha->isp_type |= DT_ISP2532;
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_ISP8001:
2600 		ha->isp_type |= DT_ISP8001;
2601 		ha->device_type |= DT_ZIO_SUPPORTED;
2602 		ha->device_type |= DT_FWI2;
2603 		ha->device_type |= DT_IIDMA;
2604 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2605 		break;
2606 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2607 		ha->isp_type |= DT_ISP8021;
2608 		ha->device_type |= DT_ZIO_SUPPORTED;
2609 		ha->device_type |= DT_FWI2;
2610 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2611 		/* Initialize 82XX ISP flags */
2612 		qla82xx_init_flags(ha);
2613 		break;
2614 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2615 		ha->isp_type |= DT_ISP8044;
2616 		ha->device_type |= DT_ZIO_SUPPORTED;
2617 		ha->device_type |= DT_FWI2;
2618 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2619 		/* Initialize 82XX ISP flags */
2620 		qla82xx_init_flags(ha);
2621 		break;
2622 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2623 		ha->isp_type |= DT_ISP2031;
2624 		ha->device_type |= DT_ZIO_SUPPORTED;
2625 		ha->device_type |= DT_FWI2;
2626 		ha->device_type |= DT_IIDMA;
2627 		ha->device_type |= DT_T10_PI;
2628 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2629 		break;
2630 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2631 		ha->isp_type |= DT_ISP8031;
2632 		ha->device_type |= DT_ZIO_SUPPORTED;
2633 		ha->device_type |= DT_FWI2;
2634 		ha->device_type |= DT_IIDMA;
2635 		ha->device_type |= DT_T10_PI;
2636 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2637 		break;
2638 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2639 		ha->isp_type |= DT_ISPFX00;
2640 		break;
2641 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2642 		ha->isp_type |= DT_ISP2071;
2643 		ha->device_type |= DT_ZIO_SUPPORTED;
2644 		ha->device_type |= DT_FWI2;
2645 		ha->device_type |= DT_IIDMA;
2646 		ha->device_type |= DT_T10_PI;
2647 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2648 		break;
2649 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2650 		ha->isp_type |= DT_ISP2271;
2651 		ha->device_type |= DT_ZIO_SUPPORTED;
2652 		ha->device_type |= DT_FWI2;
2653 		ha->device_type |= DT_IIDMA;
2654 		ha->device_type |= DT_T10_PI;
2655 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2656 		break;
2657 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2658 		ha->isp_type |= DT_ISP2261;
2659 		ha->device_type |= DT_ZIO_SUPPORTED;
2660 		ha->device_type |= DT_FWI2;
2661 		ha->device_type |= DT_IIDMA;
2662 		ha->device_type |= DT_T10_PI;
2663 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2664 		break;
2665 	}
2666 
2667 	if (IS_QLA82XX(ha))
2668 		ha->port_no = ha->portnum & 1;
2669 	else {
2670 		/* Get adapter physical port no from interrupt pin register. */
2671 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2672 		if (IS_QLA27XX(ha))
2673 			ha->port_no--;
2674 		else
2675 			ha->port_no = !(ha->port_no & 1);
2676 	}
2677 
2678 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2679 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2680 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2681 }
2682 
2683 static void
2684 qla2xxx_scan_start(struct Scsi_Host *shost)
2685 {
2686 	scsi_qla_host_t *vha = shost_priv(shost);
2687 
2688 	if (vha->hw->flags.running_gold_fw)
2689 		return;
2690 
2691 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2692 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2693 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2694 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2695 }
2696 
2697 static int
2698 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2699 {
2700 	scsi_qla_host_t *vha = shost_priv(shost);
2701 
2702 	if (test_bit(UNLOADING, &vha->dpc_flags))
2703 		return 1;
2704 	if (!vha->host)
2705 		return 1;
2706 	if (time > vha->hw->loop_reset_delay * HZ)
2707 		return 1;
2708 
2709 	return atomic_read(&vha->loop_state) == LOOP_READY;
2710 }
2711 
2712 static void qla2x00_iocb_work_fn(struct work_struct *work)
2713 {
2714 	struct scsi_qla_host *vha = container_of(work,
2715 		struct scsi_qla_host, iocb_work);
2716 	struct qla_hw_data *ha = vha->hw;
2717 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2718 	int i = 20;
2719 	unsigned long flags;
2720 
2721 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2722 		return;
2723 
2724 	while (!list_empty(&vha->work_list) && i > 0) {
2725 		qla2x00_do_work(vha);
2726 		i--;
2727 	}
2728 
2729 	spin_lock_irqsave(&vha->work_lock, flags);
2730 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2731 	spin_unlock_irqrestore(&vha->work_lock, flags);
2732 }
2733 
2734 /*
2735  * PCI driver interface
2736  */
2737 static int
2738 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2739 {
2740 	int	ret = -ENODEV;
2741 	struct Scsi_Host *host;
2742 	scsi_qla_host_t *base_vha = NULL;
2743 	struct qla_hw_data *ha;
2744 	char pci_info[30];
2745 	char fw_str[30], wq_name[30];
2746 	struct scsi_host_template *sht;
2747 	int bars, mem_only = 0;
2748 	uint16_t req_length = 0, rsp_length = 0;
2749 	struct req_que *req = NULL;
2750 	struct rsp_que *rsp = NULL;
2751 	int i;
2752 
2753 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2754 	sht = &qla2xxx_driver_template;
2755 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2756 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2757 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2758 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2759 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2760 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2761 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2762 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2763 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2764 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2765 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2766 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2767 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2768 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2769 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2770 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2771 		mem_only = 1;
2772 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2773 		    "Mem only adapter.\n");
2774 	}
2775 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2776 	    "Bars=%d.\n", bars);
2777 
2778 	if (mem_only) {
2779 		if (pci_enable_device_mem(pdev))
2780 			return ret;
2781 	} else {
2782 		if (pci_enable_device(pdev))
2783 			return ret;
2784 	}
2785 
2786 	/* This may fail but that's ok */
2787 	pci_enable_pcie_error_reporting(pdev);
2788 
2789 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2790 	if (!ha) {
2791 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2792 		    "Unable to allocate memory for ha.\n");
2793 		goto disable_device;
2794 	}
2795 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2796 	    "Memory allocated for ha=%p.\n", ha);
2797 	ha->pdev = pdev;
2798 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2799 	spin_lock_init(&ha->tgt.q_full_lock);
2800 	spin_lock_init(&ha->tgt.sess_lock);
2801 	spin_lock_init(&ha->tgt.atio_lock);
2802 
2803 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2804 
2805 	/* Clear our data area */
2806 	ha->bars = bars;
2807 	ha->mem_only = mem_only;
2808 	spin_lock_init(&ha->hardware_lock);
2809 	spin_lock_init(&ha->vport_slock);
2810 	mutex_init(&ha->selflogin_lock);
2811 	mutex_init(&ha->optrom_mutex);
2812 
2813 	/* Set ISP-type information. */
2814 	qla2x00_set_isp_flags(ha);
2815 
2816 	/* Set EEH reset type to fundamental if required by hba */
2817 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2818 	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2819 		pdev->needs_freset = 1;
2820 
2821 	ha->prev_topology = 0;
2822 	ha->init_cb_size = sizeof(init_cb_t);
2823 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2824 	ha->optrom_size = OPTROM_SIZE_2300;
2825 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2826 
2827 	/* Assign ISP specific operations. */
2828 	if (IS_QLA2100(ha)) {
2829 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2830 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2831 		req_length = REQUEST_ENTRY_CNT_2100;
2832 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2833 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2834 		ha->gid_list_info_size = 4;
2835 		ha->flash_conf_off = ~0;
2836 		ha->flash_data_off = ~0;
2837 		ha->nvram_conf_off = ~0;
2838 		ha->nvram_data_off = ~0;
2839 		ha->isp_ops = &qla2100_isp_ops;
2840 	} else if (IS_QLA2200(ha)) {
2841 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2842 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2843 		req_length = REQUEST_ENTRY_CNT_2200;
2844 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2845 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2846 		ha->gid_list_info_size = 4;
2847 		ha->flash_conf_off = ~0;
2848 		ha->flash_data_off = ~0;
2849 		ha->nvram_conf_off = ~0;
2850 		ha->nvram_data_off = ~0;
2851 		ha->isp_ops = &qla2100_isp_ops;
2852 	} else if (IS_QLA23XX(ha)) {
2853 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2854 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2855 		req_length = REQUEST_ENTRY_CNT_2200;
2856 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2857 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2858 		ha->gid_list_info_size = 6;
2859 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2860 			ha->optrom_size = OPTROM_SIZE_2322;
2861 		ha->flash_conf_off = ~0;
2862 		ha->flash_data_off = ~0;
2863 		ha->nvram_conf_off = ~0;
2864 		ha->nvram_data_off = ~0;
2865 		ha->isp_ops = &qla2300_isp_ops;
2866 	} else if (IS_QLA24XX_TYPE(ha)) {
2867 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2868 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2869 		req_length = REQUEST_ENTRY_CNT_24XX;
2870 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2871 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2872 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2873 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2874 		ha->gid_list_info_size = 8;
2875 		ha->optrom_size = OPTROM_SIZE_24XX;
2876 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2877 		ha->isp_ops = &qla24xx_isp_ops;
2878 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2879 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2880 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2881 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2882 	} else if (IS_QLA25XX(ha)) {
2883 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2884 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2885 		req_length = REQUEST_ENTRY_CNT_24XX;
2886 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2887 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2888 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2889 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2890 		ha->gid_list_info_size = 8;
2891 		ha->optrom_size = OPTROM_SIZE_25XX;
2892 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2893 		ha->isp_ops = &qla25xx_isp_ops;
2894 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2895 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2896 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2897 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2898 	} else if (IS_QLA81XX(ha)) {
2899 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2900 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2901 		req_length = REQUEST_ENTRY_CNT_24XX;
2902 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2903 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2904 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2905 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2906 		ha->gid_list_info_size = 8;
2907 		ha->optrom_size = OPTROM_SIZE_81XX;
2908 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2909 		ha->isp_ops = &qla81xx_isp_ops;
2910 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2911 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2912 		ha->nvram_conf_off = ~0;
2913 		ha->nvram_data_off = ~0;
2914 	} else if (IS_QLA82XX(ha)) {
2915 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2916 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2917 		req_length = REQUEST_ENTRY_CNT_82XX;
2918 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2919 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2920 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2921 		ha->gid_list_info_size = 8;
2922 		ha->optrom_size = OPTROM_SIZE_82XX;
2923 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2924 		ha->isp_ops = &qla82xx_isp_ops;
2925 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2926 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2927 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2928 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2929 	} else if (IS_QLA8044(ha)) {
2930 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2931 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2932 		req_length = REQUEST_ENTRY_CNT_82XX;
2933 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2934 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2935 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2936 		ha->gid_list_info_size = 8;
2937 		ha->optrom_size = OPTROM_SIZE_83XX;
2938 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2939 		ha->isp_ops = &qla8044_isp_ops;
2940 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2941 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2942 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2943 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2944 	} else if (IS_QLA83XX(ha)) {
2945 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2946 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2947 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2948 		req_length = REQUEST_ENTRY_CNT_83XX;
2949 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2950 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2951 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2952 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2953 		ha->gid_list_info_size = 8;
2954 		ha->optrom_size = OPTROM_SIZE_83XX;
2955 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2956 		ha->isp_ops = &qla83xx_isp_ops;
2957 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2958 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2959 		ha->nvram_conf_off = ~0;
2960 		ha->nvram_data_off = ~0;
2961 	}  else if (IS_QLAFX00(ha)) {
2962 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2963 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2964 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2965 		req_length = REQUEST_ENTRY_CNT_FX00;
2966 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
2967 		ha->isp_ops = &qlafx00_isp_ops;
2968 		ha->port_down_retry_count = 30; /* default value */
2969 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2970 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2971 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2972 		ha->mr.fw_hbt_en = 1;
2973 		ha->mr.host_info_resend = false;
2974 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2975 	} else if (IS_QLA27XX(ha)) {
2976 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2977 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2978 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2979 		req_length = REQUEST_ENTRY_CNT_83XX;
2980 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2981 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2982 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2983 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2984 		ha->gid_list_info_size = 8;
2985 		ha->optrom_size = OPTROM_SIZE_83XX;
2986 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2987 		ha->isp_ops = &qla27xx_isp_ops;
2988 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2989 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2990 		ha->nvram_conf_off = ~0;
2991 		ha->nvram_data_off = ~0;
2992 	}
2993 
2994 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2995 	    "mbx_count=%d, req_length=%d, "
2996 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2997 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2998 	    "max_fibre_devices=%d.\n",
2999 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3000 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3001 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3002 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3003 	    "isp_ops=%p, flash_conf_off=%d, "
3004 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3005 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3006 	    ha->nvram_conf_off, ha->nvram_data_off);
3007 
3008 	/* Configure PCI I/O space */
3009 	ret = ha->isp_ops->iospace_config(ha);
3010 	if (ret)
3011 		goto iospace_config_failed;
3012 
3013 	ql_log_pci(ql_log_info, pdev, 0x001d,
3014 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3015 	    pdev->device, pdev->irq, ha->iobase);
3016 	mutex_init(&ha->vport_lock);
3017 	mutex_init(&ha->mq_lock);
3018 	init_completion(&ha->mbx_cmd_comp);
3019 	complete(&ha->mbx_cmd_comp);
3020 	init_completion(&ha->mbx_intr_comp);
3021 	init_completion(&ha->dcbx_comp);
3022 	init_completion(&ha->lb_portup_comp);
3023 
3024 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3025 
3026 	qla2x00_config_dma_addressing(ha);
3027 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3028 	    "64 Bit addressing is %s.\n",
3029 	    ha->flags.enable_64bit_addressing ? "enable" :
3030 	    "disable");
3031 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3032 	if (ret) {
3033 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3034 		    "Failed to allocate memory for adapter, aborting.\n");
3035 
3036 		goto probe_hw_failed;
3037 	}
3038 
3039 	req->max_q_depth = MAX_Q_DEPTH;
3040 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3041 		req->max_q_depth = ql2xmaxqdepth;
3042 
3043 
3044 	base_vha = qla2x00_create_host(sht, ha);
3045 	if (!base_vha) {
3046 		ret = -ENOMEM;
3047 		goto probe_hw_failed;
3048 	}
3049 
3050 	pci_set_drvdata(pdev, base_vha);
3051 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3052 
3053 	host = base_vha->host;
3054 	base_vha->req = req;
3055 	if (IS_QLA2XXX_MIDTYPE(ha))
3056 		base_vha->mgmt_svr_loop_id = NPH_MGMT_SERVER;
3057 	else
3058 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3059 						base_vha->vp_idx;
3060 
3061 	/* Setup fcport template structure. */
3062 	ha->mr.fcport.vha = base_vha;
3063 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3064 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3065 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3066 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3067 	ha->mr.fcport.scan_state = 1;
3068 
3069 	/* Set the SG table size based on ISP type */
3070 	if (!IS_FWI2_CAPABLE(ha)) {
3071 		if (IS_QLA2100(ha))
3072 			host->sg_tablesize = 32;
3073 	} else {
3074 		if (!IS_QLA82XX(ha))
3075 			host->sg_tablesize = QLA_SG_ALL;
3076 	}
3077 	host->max_id = ha->max_fibre_devices;
3078 	host->cmd_per_lun = 3;
3079 	host->unique_id = host->host_no;
3080 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3081 		host->max_cmd_len = 32;
3082 	else
3083 		host->max_cmd_len = MAX_CMDSZ;
3084 	host->max_channel = MAX_BUSES - 1;
3085 	/* Older HBAs support only 16-bit LUNs */
3086 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3087 	    ql2xmaxlun > 0xffff)
3088 		host->max_lun = 0xffff;
3089 	else
3090 		host->max_lun = ql2xmaxlun;
3091 	host->transportt = qla2xxx_transport_template;
3092 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3093 
3094 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3095 	    "max_id=%d this_id=%d "
3096 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3097 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3098 	    host->this_id, host->cmd_per_lun, host->unique_id,
3099 	    host->max_cmd_len, host->max_channel, host->max_lun,
3100 	    host->transportt, sht->vendor_id);
3101 
3102 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3103 
3104 	/* Set up the irqs */
3105 	ret = qla2x00_request_irqs(ha, rsp);
3106 	if (ret)
3107 		goto probe_failed;
3108 
3109 	/* Alloc arrays of request and response ring ptrs */
3110 	if (qla2x00_alloc_queues(ha, req, rsp)) {
3111 		ql_log(ql_log_fatal, base_vha, 0x003d,
3112 		    "Failed to allocate memory for queue pointers..."
3113 		    "aborting.\n");
3114 		goto probe_failed;
3115 	}
3116 
3117 	if (ha->mqenable && shost_use_blk_mq(host)) {
3118 		/* number of hardware queues supported by blk/scsi-mq*/
3119 		host->nr_hw_queues = ha->max_qpairs;
3120 
3121 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3122 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3123 	} else {
3124 		if (ql2xnvmeenable) {
3125 			host->nr_hw_queues = ha->max_qpairs;
3126 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3127 			    "FC-NVMe support is enabled, HW queues=%d\n",
3128 			    host->nr_hw_queues);
3129 		} else {
3130 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3131 			    "blk/scsi-mq disabled.\n");
3132 		}
3133 	}
3134 
3135 	qlt_probe_one_stage1(base_vha, ha);
3136 
3137 	pci_save_state(pdev);
3138 
3139 	/* Assign back pointers */
3140 	rsp->req = req;
3141 	req->rsp = rsp;
3142 
3143 	if (IS_QLAFX00(ha)) {
3144 		ha->rsp_q_map[0] = rsp;
3145 		ha->req_q_map[0] = req;
3146 		set_bit(0, ha->req_qid_map);
3147 		set_bit(0, ha->rsp_qid_map);
3148 	}
3149 
3150 	/* FWI2-capable only. */
3151 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3152 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3153 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3154 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3155 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3156 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3157 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3158 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3159 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3160 	}
3161 
3162 	if (IS_QLAFX00(ha)) {
3163 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3164 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3165 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3166 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3167 	}
3168 
3169 	if (IS_P3P_TYPE(ha)) {
3170 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3171 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3172 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3173 	}
3174 
3175 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3176 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3177 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3178 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3179 	    "req->req_q_in=%p req->req_q_out=%p "
3180 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3181 	    req->req_q_in, req->req_q_out,
3182 	    rsp->rsp_q_in, rsp->rsp_q_out);
3183 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3184 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3185 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3186 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3187 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3188 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
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 	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3227 
3228 	if (ha->mqenable) {
3229 		bool mq = false;
3230 		bool startit = false;
3231 
3232 		if (QLA_TGT_MODE_ENABLED()) {
3233 			mq = true;
3234 			startit = false;
3235 		}
3236 
3237 		if ((ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED) &&
3238 		    shost_use_blk_mq(host)) {
3239 			mq = true;
3240 			startit = true;
3241 		}
3242 
3243 		if (mq) {
3244 			/* Create start of day qpairs for Block MQ */
3245 			for (i = 0; i < ha->max_qpairs; i++)
3246 				qla2xxx_create_qpair(base_vha, 5, 0, startit);
3247 		}
3248 	}
3249 
3250 	if (ha->flags.running_gold_fw)
3251 		goto skip_dpc;
3252 
3253 	/*
3254 	 * Startup the kernel thread for this host adapter
3255 	 */
3256 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3257 	    "%s_dpc", base_vha->host_str);
3258 	if (IS_ERR(ha->dpc_thread)) {
3259 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3260 		    "Failed to start DPC thread.\n");
3261 		ret = PTR_ERR(ha->dpc_thread);
3262 		ha->dpc_thread = NULL;
3263 		goto probe_failed;
3264 	}
3265 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3266 	    "DPC thread started successfully.\n");
3267 
3268 	/*
3269 	 * If we're not coming up in initiator mode, we might sit for
3270 	 * a while without waking up the dpc thread, which leads to a
3271 	 * stuck process warning.  So just kick the dpc once here and
3272 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3273 	 */
3274 	qla2xxx_wake_dpc(base_vha);
3275 
3276 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3277 
3278 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3279 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3280 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3281 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3282 
3283 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3284 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3285 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3286 		INIT_WORK(&ha->idc_state_handler,
3287 		    qla83xx_idc_state_handler_work);
3288 		INIT_WORK(&ha->nic_core_unrecoverable,
3289 		    qla83xx_nic_core_unrecoverable_work);
3290 	}
3291 
3292 skip_dpc:
3293 	list_add_tail(&base_vha->list, &ha->vp_list);
3294 	base_vha->host->irq = ha->pdev->irq;
3295 
3296 	/* Initialized the timer */
3297 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3298 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3299 	    "Started qla2x00_timer with "
3300 	    "interval=%d.\n", WATCH_INTERVAL);
3301 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3302 	    "Detected hba at address=%p.\n",
3303 	    ha);
3304 
3305 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3306 		if (ha->fw_attributes & BIT_4) {
3307 			int prot = 0, guard;
3308 			base_vha->flags.difdix_supported = 1;
3309 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3310 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3311 			if (ql2xenabledif == 1)
3312 				prot = SHOST_DIX_TYPE0_PROTECTION;
3313 			scsi_host_set_prot(host,
3314 			    prot | SHOST_DIF_TYPE1_PROTECTION
3315 			    | SHOST_DIF_TYPE2_PROTECTION
3316 			    | SHOST_DIF_TYPE3_PROTECTION
3317 			    | SHOST_DIX_TYPE1_PROTECTION
3318 			    | SHOST_DIX_TYPE2_PROTECTION
3319 			    | SHOST_DIX_TYPE3_PROTECTION);
3320 
3321 			guard = SHOST_DIX_GUARD_CRC;
3322 
3323 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3324 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3325 				guard |= SHOST_DIX_GUARD_IP;
3326 
3327 			scsi_host_set_guard(host, guard);
3328 		} else
3329 			base_vha->flags.difdix_supported = 0;
3330 	}
3331 
3332 	ha->isp_ops->enable_intrs(ha);
3333 
3334 	if (IS_QLAFX00(ha)) {
3335 		ret = qlafx00_fx_disc(base_vha,
3336 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3337 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3338 		    QLA_SG_ALL : 128;
3339 	}
3340 
3341 	ret = scsi_add_host(host, &pdev->dev);
3342 	if (ret)
3343 		goto probe_failed;
3344 
3345 	base_vha->flags.init_done = 1;
3346 	base_vha->flags.online = 1;
3347 	ha->prev_minidump_failed = 0;
3348 
3349 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3350 	    "Init done and hba is online.\n");
3351 
3352 	if (qla_ini_mode_enabled(base_vha) ||
3353 		qla_dual_mode_enabled(base_vha))
3354 		scsi_scan_host(host);
3355 	else
3356 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3357 			"skipping scsi_scan_host() for non-initiator port\n");
3358 
3359 	qla2x00_alloc_sysfs_attr(base_vha);
3360 
3361 	if (IS_QLAFX00(ha)) {
3362 		ret = qlafx00_fx_disc(base_vha,
3363 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3364 
3365 		/* Register system information */
3366 		ret =  qlafx00_fx_disc(base_vha,
3367 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3368 	}
3369 
3370 	qla2x00_init_host_attr(base_vha);
3371 
3372 	qla2x00_dfs_setup(base_vha);
3373 
3374 	ql_log(ql_log_info, base_vha, 0x00fb,
3375 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3376 	ql_log(ql_log_info, base_vha, 0x00fc,
3377 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3378 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
3379 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3380 	    base_vha->host_no,
3381 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3382 
3383 	qlt_add_target(ha, base_vha);
3384 
3385 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3386 
3387 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3388 		return -ENODEV;
3389 
3390 	if (ha->flags.detected_lr_sfp) {
3391 		ql_log(ql_log_info, base_vha, 0xffff,
3392 		    "Reset chip to pick up LR SFP setting\n");
3393 		set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
3394 		qla2xxx_wake_dpc(base_vha);
3395 	}
3396 
3397 	return 0;
3398 
3399 probe_failed:
3400 	if (base_vha->timer_active)
3401 		qla2x00_stop_timer(base_vha);
3402 	base_vha->flags.online = 0;
3403 	if (ha->dpc_thread) {
3404 		struct task_struct *t = ha->dpc_thread;
3405 
3406 		ha->dpc_thread = NULL;
3407 		kthread_stop(t);
3408 	}
3409 
3410 	qla2x00_free_device(base_vha);
3411 
3412 	scsi_host_put(base_vha->host);
3413 
3414 probe_hw_failed:
3415 	qla2x00_mem_free(ha);
3416 	qla2x00_free_req_que(ha, req);
3417 	qla2x00_free_rsp_que(ha, rsp);
3418 	qla2x00_clear_drv_active(ha);
3419 
3420 iospace_config_failed:
3421 	if (IS_P3P_TYPE(ha)) {
3422 		if (!ha->nx_pcibase)
3423 			iounmap((device_reg_t *)ha->nx_pcibase);
3424 		if (!ql2xdbwr)
3425 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3426 	} else {
3427 		if (ha->iobase)
3428 			iounmap(ha->iobase);
3429 		if (ha->cregbase)
3430 			iounmap(ha->cregbase);
3431 	}
3432 	pci_release_selected_regions(ha->pdev, ha->bars);
3433 	kfree(ha);
3434 
3435 disable_device:
3436 	pci_disable_device(pdev);
3437 	return ret;
3438 }
3439 
3440 static void
3441 qla2x00_shutdown(struct pci_dev *pdev)
3442 {
3443 	scsi_qla_host_t *vha;
3444 	struct qla_hw_data  *ha;
3445 
3446 	vha = pci_get_drvdata(pdev);
3447 	ha = vha->hw;
3448 
3449 	ql_log(ql_log_info, vha, 0xfffa,
3450 		"Adapter shutdown\n");
3451 
3452 	/*
3453 	 * Prevent future board_disable and wait
3454 	 * until any pending board_disable has completed.
3455 	 */
3456 	set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
3457 	cancel_work_sync(&ha->board_disable);
3458 
3459 	if (!atomic_read(&pdev->enable_cnt))
3460 		return;
3461 
3462 	/* Notify ISPFX00 firmware */
3463 	if (IS_QLAFX00(ha))
3464 		qlafx00_driver_shutdown(vha, 20);
3465 
3466 	/* Turn-off FCE trace */
3467 	if (ha->flags.fce_enabled) {
3468 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3469 		ha->flags.fce_enabled = 0;
3470 	}
3471 
3472 	/* Turn-off EFT trace */
3473 	if (ha->eft)
3474 		qla2x00_disable_eft_trace(vha);
3475 
3476 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3477 		if (ha->flags.fw_started)
3478 			qla2x00_abort_isp_cleanup(vha);
3479 	} else {
3480 		/* Stop currently executing firmware. */
3481 		qla2x00_try_to_stop_firmware(vha);
3482 	}
3483 
3484 	/* Turn adapter off line */
3485 	vha->flags.online = 0;
3486 
3487 	/* turn-off interrupts on the card */
3488 	if (ha->interrupts_on) {
3489 		vha->flags.init_done = 0;
3490 		ha->isp_ops->disable_intrs(ha);
3491 	}
3492 
3493 	qla2x00_free_irqs(vha);
3494 
3495 	qla2x00_free_fw_dump(ha);
3496 
3497 	pci_disable_device(pdev);
3498 	ql_log(ql_log_info, vha, 0xfffe,
3499 		"Adapter shutdown successfully.\n");
3500 }
3501 
3502 /* Deletes all the virtual ports for a given ha */
3503 static void
3504 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3505 {
3506 	scsi_qla_host_t *vha;
3507 	unsigned long flags;
3508 
3509 	mutex_lock(&ha->vport_lock);
3510 	while (ha->cur_vport_count) {
3511 		spin_lock_irqsave(&ha->vport_slock, flags);
3512 
3513 		BUG_ON(base_vha->list.next == &ha->vp_list);
3514 		/* This assumes first entry in ha->vp_list is always base vha */
3515 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3516 		scsi_host_get(vha->host);
3517 
3518 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3519 		mutex_unlock(&ha->vport_lock);
3520 
3521 		fc_vport_terminate(vha->fc_vport);
3522 		scsi_host_put(vha->host);
3523 
3524 		mutex_lock(&ha->vport_lock);
3525 	}
3526 	mutex_unlock(&ha->vport_lock);
3527 }
3528 
3529 /* Stops all deferred work threads */
3530 static void
3531 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3532 {
3533 	/* Cancel all work and destroy DPC workqueues */
3534 	if (ha->dpc_lp_wq) {
3535 		cancel_work_sync(&ha->idc_aen);
3536 		destroy_workqueue(ha->dpc_lp_wq);
3537 		ha->dpc_lp_wq = NULL;
3538 	}
3539 
3540 	if (ha->dpc_hp_wq) {
3541 		cancel_work_sync(&ha->nic_core_reset);
3542 		cancel_work_sync(&ha->idc_state_handler);
3543 		cancel_work_sync(&ha->nic_core_unrecoverable);
3544 		destroy_workqueue(ha->dpc_hp_wq);
3545 		ha->dpc_hp_wq = NULL;
3546 	}
3547 
3548 	/* Kill the kernel thread for this host */
3549 	if (ha->dpc_thread) {
3550 		struct task_struct *t = ha->dpc_thread;
3551 
3552 		/*
3553 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3554 		 * so we need to zero it out.
3555 		 */
3556 		ha->dpc_thread = NULL;
3557 		kthread_stop(t);
3558 	}
3559 }
3560 
3561 static void
3562 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3563 {
3564 	if (IS_QLA82XX(ha)) {
3565 
3566 		iounmap((device_reg_t *)ha->nx_pcibase);
3567 		if (!ql2xdbwr)
3568 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3569 	} else {
3570 		if (ha->iobase)
3571 			iounmap(ha->iobase);
3572 
3573 		if (ha->cregbase)
3574 			iounmap(ha->cregbase);
3575 
3576 		if (ha->mqiobase)
3577 			iounmap(ha->mqiobase);
3578 
3579 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3580 			iounmap(ha->msixbase);
3581 	}
3582 }
3583 
3584 static void
3585 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3586 {
3587 	if (IS_QLA8044(ha)) {
3588 		qla8044_idc_lock(ha);
3589 		qla8044_clear_drv_active(ha);
3590 		qla8044_idc_unlock(ha);
3591 	} else if (IS_QLA82XX(ha)) {
3592 		qla82xx_idc_lock(ha);
3593 		qla82xx_clear_drv_active(ha);
3594 		qla82xx_idc_unlock(ha);
3595 	}
3596 }
3597 
3598 static void
3599 qla2x00_remove_one(struct pci_dev *pdev)
3600 {
3601 	scsi_qla_host_t *base_vha;
3602 	struct qla_hw_data  *ha;
3603 
3604 	base_vha = pci_get_drvdata(pdev);
3605 	ha = base_vha->hw;
3606 
3607 	/* Indicate device removal to prevent future board_disable and wait
3608 	 * until any pending board_disable has completed. */
3609 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3610 	cancel_work_sync(&ha->board_disable);
3611 
3612 	/*
3613 	 * If the PCI device is disabled then there was a PCI-disconnect and
3614 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3615 	 * resources.
3616 	 */
3617 	if (!atomic_read(&pdev->enable_cnt)) {
3618 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3619 		    base_vha->gnl.l, base_vha->gnl.ldma);
3620 
3621 		scsi_host_put(base_vha->host);
3622 		kfree(ha);
3623 		pci_set_drvdata(pdev, NULL);
3624 		return;
3625 	}
3626 	qla2x00_wait_for_hba_ready(base_vha);
3627 
3628 	qla2x00_wait_for_sess_deletion(base_vha);
3629 
3630 	/*
3631 	 * if UNLOAD flag is already set, then continue unload,
3632 	 * where it was set first.
3633 	 */
3634 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3635 		return;
3636 
3637 	set_bit(UNLOADING, &base_vha->dpc_flags);
3638 
3639 	qla_nvme_delete(base_vha);
3640 
3641 	dma_free_coherent(&ha->pdev->dev,
3642 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3643 
3644 	vfree(base_vha->scan.l);
3645 
3646 	if (IS_QLAFX00(ha))
3647 		qlafx00_driver_shutdown(base_vha, 20);
3648 
3649 	qla2x00_delete_all_vps(ha, base_vha);
3650 
3651 	if (IS_QLA8031(ha)) {
3652 		ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3653 		    "Clearing fcoe driver presence.\n");
3654 		if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3655 			ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3656 			    "Error while clearing DRV-Presence.\n");
3657 	}
3658 
3659 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3660 
3661 	qla2x00_dfs_remove(base_vha);
3662 
3663 	qla84xx_put_chip(base_vha);
3664 
3665 	/* Disable timer */
3666 	if (base_vha->timer_active)
3667 		qla2x00_stop_timer(base_vha);
3668 
3669 	base_vha->flags.online = 0;
3670 
3671 	/* free DMA memory */
3672 	if (ha->exlogin_buf)
3673 		qla2x00_free_exlogin_buffer(ha);
3674 
3675 	/* free DMA memory */
3676 	if (ha->exchoffld_buf)
3677 		qla2x00_free_exchoffld_buffer(ha);
3678 
3679 	qla2x00_destroy_deferred_work(ha);
3680 
3681 	qlt_remove_target(ha, base_vha);
3682 
3683 	qla2x00_free_sysfs_attr(base_vha, true);
3684 
3685 	fc_remove_host(base_vha->host);
3686 	qlt_remove_target_resources(ha);
3687 
3688 	scsi_remove_host(base_vha->host);
3689 
3690 	qla2x00_free_device(base_vha);
3691 
3692 	qla2x00_clear_drv_active(ha);
3693 
3694 	scsi_host_put(base_vha->host);
3695 
3696 	qla2x00_unmap_iobases(ha);
3697 
3698 	pci_release_selected_regions(ha->pdev, ha->bars);
3699 	kfree(ha);
3700 
3701 	pci_disable_pcie_error_reporting(pdev);
3702 
3703 	pci_disable_device(pdev);
3704 }
3705 
3706 static void
3707 qla2x00_free_device(scsi_qla_host_t *vha)
3708 {
3709 	struct qla_hw_data *ha = vha->hw;
3710 
3711 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3712 
3713 	/* Disable timer */
3714 	if (vha->timer_active)
3715 		qla2x00_stop_timer(vha);
3716 
3717 	qla25xx_delete_queues(vha);
3718 
3719 	if (ha->flags.fce_enabled)
3720 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3721 
3722 	if (ha->eft)
3723 		qla2x00_disable_eft_trace(vha);
3724 
3725 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3726 		if (ha->flags.fw_started)
3727 			qla2x00_abort_isp_cleanup(vha);
3728 	} else {
3729 		if (ha->flags.fw_started) {
3730 			/* Stop currently executing firmware. */
3731 			qla2x00_try_to_stop_firmware(vha);
3732 			ha->flags.fw_started = 0;
3733 		}
3734 	}
3735 
3736 	vha->flags.online = 0;
3737 
3738 	/* turn-off interrupts on the card */
3739 	if (ha->interrupts_on) {
3740 		vha->flags.init_done = 0;
3741 		ha->isp_ops->disable_intrs(ha);
3742 	}
3743 
3744 	qla2x00_free_fcports(vha);
3745 
3746 	qla2x00_free_irqs(vha);
3747 
3748 	/* Flush the work queue and remove it */
3749 	if (ha->wq) {
3750 		flush_workqueue(ha->wq);
3751 		destroy_workqueue(ha->wq);
3752 		ha->wq = NULL;
3753 	}
3754 
3755 
3756 	qla2x00_mem_free(ha);
3757 
3758 	qla82xx_md_free(vha);
3759 
3760 	qla2x00_free_queues(ha);
3761 }
3762 
3763 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3764 {
3765 	fc_port_t *fcport, *tfcport;
3766 
3767 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3768 		list_del(&fcport->list);
3769 		qla2x00_clear_loop_id(fcport);
3770 		kfree(fcport);
3771 	}
3772 }
3773 
3774 static inline void
3775 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3776     int defer)
3777 {
3778 	struct fc_rport *rport;
3779 	scsi_qla_host_t *base_vha;
3780 	unsigned long flags;
3781 
3782 	if (!fcport->rport)
3783 		return;
3784 
3785 	rport = fcport->rport;
3786 	if (defer) {
3787 		base_vha = pci_get_drvdata(vha->hw->pdev);
3788 		spin_lock_irqsave(vha->host->host_lock, flags);
3789 		fcport->drport = rport;
3790 		spin_unlock_irqrestore(vha->host->host_lock, flags);
3791 		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3792 		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3793 		qla2xxx_wake_dpc(base_vha);
3794 	} else {
3795 		int now;
3796 		if (rport) {
3797 			ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3798 			    "%s %8phN. rport %p roles %x\n",
3799 			    __func__, fcport->port_name, rport,
3800 			    rport->roles);
3801 			fc_remote_port_delete(rport);
3802 		}
3803 		qlt_do_generation_tick(vha, &now);
3804 	}
3805 }
3806 
3807 /*
3808  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3809  *
3810  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3811  *
3812  * Return: None.
3813  *
3814  * Context:
3815  */
3816 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3817     int do_login, int defer)
3818 {
3819 	if (IS_QLAFX00(vha->hw)) {
3820 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3821 		qla2x00_schedule_rport_del(vha, fcport, defer);
3822 		return;
3823 	}
3824 
3825 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3826 	    vha->vp_idx == fcport->vha->vp_idx) {
3827 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3828 		qla2x00_schedule_rport_del(vha, fcport, defer);
3829 	}
3830 	/*
3831 	 * We may need to retry the login, so don't change the state of the
3832 	 * port but do the retries.
3833 	 */
3834 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3835 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3836 
3837 	if (!do_login)
3838 		return;
3839 
3840 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3841 
3842 	if (fcport->login_retry == 0) {
3843 		fcport->login_retry = vha->hw->login_retry_count;
3844 
3845 		ql_dbg(ql_dbg_disc, vha, 0x20a3,
3846 		    "Port login retry %8phN, lid 0x%04x retry cnt=%d.\n",
3847 		    fcport->port_name, fcport->loop_id, fcport->login_retry);
3848 	}
3849 }
3850 
3851 /*
3852  * qla2x00_mark_all_devices_lost
3853  *	Updates fcport state when device goes offline.
3854  *
3855  * Input:
3856  *	ha = adapter block pointer.
3857  *	fcport = port structure pointer.
3858  *
3859  * Return:
3860  *	None.
3861  *
3862  * Context:
3863  */
3864 void
3865 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3866 {
3867 	fc_port_t *fcport;
3868 
3869 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3870 	    "Mark all dev lost\n");
3871 
3872 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3873 		fcport->scan_state = 0;
3874 		qlt_schedule_sess_for_deletion(fcport);
3875 
3876 		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3877 			continue;
3878 
3879 		/*
3880 		 * No point in marking the device as lost, if the device is
3881 		 * already DEAD.
3882 		 */
3883 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3884 			continue;
3885 		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3886 			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3887 			if (defer)
3888 				qla2x00_schedule_rport_del(vha, fcport, defer);
3889 			else if (vha->vp_idx == fcport->vha->vp_idx)
3890 				qla2x00_schedule_rport_del(vha, fcport, defer);
3891 		}
3892 	}
3893 }
3894 
3895 /*
3896 * qla2x00_mem_alloc
3897 *      Allocates adapter memory.
3898 *
3899 * Returns:
3900 *      0  = success.
3901 *      !0  = failure.
3902 */
3903 static int
3904 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3905 	struct req_que **req, struct rsp_que **rsp)
3906 {
3907 	char	name[16];
3908 
3909 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3910 		&ha->init_cb_dma, GFP_KERNEL);
3911 	if (!ha->init_cb)
3912 		goto fail;
3913 
3914 	if (qlt_mem_alloc(ha) < 0)
3915 		goto fail_free_init_cb;
3916 
3917 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3918 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3919 	if (!ha->gid_list)
3920 		goto fail_free_tgt_mem;
3921 
3922 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3923 	if (!ha->srb_mempool)
3924 		goto fail_free_gid_list;
3925 
3926 	if (IS_P3P_TYPE(ha)) {
3927 		/* Allocate cache for CT6 Ctx. */
3928 		if (!ctx_cachep) {
3929 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3930 				sizeof(struct ct6_dsd), 0,
3931 				SLAB_HWCACHE_ALIGN, NULL);
3932 			if (!ctx_cachep)
3933 				goto fail_free_srb_mempool;
3934 		}
3935 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3936 			ctx_cachep);
3937 		if (!ha->ctx_mempool)
3938 			goto fail_free_srb_mempool;
3939 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3940 		    "ctx_cachep=%p ctx_mempool=%p.\n",
3941 		    ctx_cachep, ha->ctx_mempool);
3942 	}
3943 
3944 	/* Get memory for cached NVRAM */
3945 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3946 	if (!ha->nvram)
3947 		goto fail_free_ctx_mempool;
3948 
3949 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3950 		ha->pdev->device);
3951 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3952 		DMA_POOL_SIZE, 8, 0);
3953 	if (!ha->s_dma_pool)
3954 		goto fail_free_nvram;
3955 
3956 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3957 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3958 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3959 
3960 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3961 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3962 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
3963 		if (!ha->dl_dma_pool) {
3964 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3965 			    "Failed to allocate memory for dl_dma_pool.\n");
3966 			goto fail_s_dma_pool;
3967 		}
3968 
3969 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3970 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
3971 		if (!ha->fcp_cmnd_dma_pool) {
3972 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3973 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3974 			goto fail_dl_dma_pool;
3975 		}
3976 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3977 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3978 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3979 	}
3980 
3981 	/* Allocate memory for SNS commands */
3982 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3983 	/* Get consistent memory allocated for SNS commands */
3984 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3985 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3986 		if (!ha->sns_cmd)
3987 			goto fail_dma_pool;
3988 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3989 		    "sns_cmd: %p.\n", ha->sns_cmd);
3990 	} else {
3991 	/* Get consistent memory allocated for MS IOCB */
3992 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3993 			&ha->ms_iocb_dma);
3994 		if (!ha->ms_iocb)
3995 			goto fail_dma_pool;
3996 	/* Get consistent memory allocated for CT SNS commands */
3997 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3998 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3999 		if (!ha->ct_sns)
4000 			goto fail_free_ms_iocb;
4001 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4002 		    "ms_iocb=%p ct_sns=%p.\n",
4003 		    ha->ms_iocb, ha->ct_sns);
4004 	}
4005 
4006 	/* Allocate memory for request ring */
4007 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4008 	if (!*req) {
4009 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4010 		    "Failed to allocate memory for req.\n");
4011 		goto fail_req;
4012 	}
4013 	(*req)->length = req_len;
4014 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4015 		((*req)->length + 1) * sizeof(request_t),
4016 		&(*req)->dma, GFP_KERNEL);
4017 	if (!(*req)->ring) {
4018 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4019 		    "Failed to allocate memory for req_ring.\n");
4020 		goto fail_req_ring;
4021 	}
4022 	/* Allocate memory for response ring */
4023 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4024 	if (!*rsp) {
4025 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4026 		    "Failed to allocate memory for rsp.\n");
4027 		goto fail_rsp;
4028 	}
4029 	(*rsp)->hw = ha;
4030 	(*rsp)->length = rsp_len;
4031 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4032 		((*rsp)->length + 1) * sizeof(response_t),
4033 		&(*rsp)->dma, GFP_KERNEL);
4034 	if (!(*rsp)->ring) {
4035 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4036 		    "Failed to allocate memory for rsp_ring.\n");
4037 		goto fail_rsp_ring;
4038 	}
4039 	(*req)->rsp = *rsp;
4040 	(*rsp)->req = *req;
4041 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4042 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4043 	    "rsp->length=%d rsp->ring=%p.\n",
4044 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4045 	    (*rsp)->ring);
4046 	/* Allocate memory for NVRAM data for vports */
4047 	if (ha->nvram_npiv_size) {
4048 		ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
4049 		    ha->nvram_npiv_size, GFP_KERNEL);
4050 		if (!ha->npiv_info) {
4051 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4052 			    "Failed to allocate memory for npiv_info.\n");
4053 			goto fail_npiv_info;
4054 		}
4055 	} else
4056 		ha->npiv_info = NULL;
4057 
4058 	/* Get consistent memory allocated for EX-INIT-CB. */
4059 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
4060 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4061 		    &ha->ex_init_cb_dma);
4062 		if (!ha->ex_init_cb)
4063 			goto fail_ex_init_cb;
4064 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4065 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4066 	}
4067 
4068 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4069 
4070 	/* Get consistent memory allocated for Async Port-Database. */
4071 	if (!IS_FWI2_CAPABLE(ha)) {
4072 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4073 			&ha->async_pd_dma);
4074 		if (!ha->async_pd)
4075 			goto fail_async_pd;
4076 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4077 		    "async_pd=%p.\n", ha->async_pd);
4078 	}
4079 
4080 	INIT_LIST_HEAD(&ha->vp_list);
4081 
4082 	/* Allocate memory for our loop_id bitmap */
4083 	ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
4084 	    GFP_KERNEL);
4085 	if (!ha->loop_id_map)
4086 		goto fail_loop_id_map;
4087 	else {
4088 		qla2x00_set_reserved_loop_ids(ha);
4089 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4090 		    "loop_id_map=%p.\n", ha->loop_id_map);
4091 	}
4092 
4093 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4094 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4095 	if (!ha->sfp_data) {
4096 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4097 		    "Unable to allocate memory for SFP read-data.\n");
4098 		goto fail_sfp_data;
4099 	}
4100 
4101 	return 0;
4102 
4103 fail_sfp_data:
4104 	kfree(ha->loop_id_map);
4105 fail_loop_id_map:
4106 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4107 fail_async_pd:
4108 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4109 fail_ex_init_cb:
4110 	kfree(ha->npiv_info);
4111 fail_npiv_info:
4112 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4113 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4114 	(*rsp)->ring = NULL;
4115 	(*rsp)->dma = 0;
4116 fail_rsp_ring:
4117 	kfree(*rsp);
4118 fail_rsp:
4119 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4120 		sizeof(request_t), (*req)->ring, (*req)->dma);
4121 	(*req)->ring = NULL;
4122 	(*req)->dma = 0;
4123 fail_req_ring:
4124 	kfree(*req);
4125 fail_req:
4126 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4127 		ha->ct_sns, ha->ct_sns_dma);
4128 	ha->ct_sns = NULL;
4129 	ha->ct_sns_dma = 0;
4130 fail_free_ms_iocb:
4131 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4132 	ha->ms_iocb = NULL;
4133 	ha->ms_iocb_dma = 0;
4134 
4135 	if (ha->sns_cmd)
4136 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4137 		    ha->sns_cmd, ha->sns_cmd_dma);
4138 fail_dma_pool:
4139 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4140 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4141 		ha->fcp_cmnd_dma_pool = NULL;
4142 	}
4143 fail_dl_dma_pool:
4144 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4145 		dma_pool_destroy(ha->dl_dma_pool);
4146 		ha->dl_dma_pool = NULL;
4147 	}
4148 fail_s_dma_pool:
4149 	dma_pool_destroy(ha->s_dma_pool);
4150 	ha->s_dma_pool = NULL;
4151 fail_free_nvram:
4152 	kfree(ha->nvram);
4153 	ha->nvram = NULL;
4154 fail_free_ctx_mempool:
4155 	if (ha->ctx_mempool)
4156 		mempool_destroy(ha->ctx_mempool);
4157 	ha->ctx_mempool = NULL;
4158 fail_free_srb_mempool:
4159 	if (ha->srb_mempool)
4160 		mempool_destroy(ha->srb_mempool);
4161 	ha->srb_mempool = NULL;
4162 fail_free_gid_list:
4163 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4164 	ha->gid_list,
4165 	ha->gid_list_dma);
4166 	ha->gid_list = NULL;
4167 	ha->gid_list_dma = 0;
4168 fail_free_tgt_mem:
4169 	qlt_mem_free(ha);
4170 fail_free_init_cb:
4171 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4172 	ha->init_cb_dma);
4173 	ha->init_cb = NULL;
4174 	ha->init_cb_dma = 0;
4175 fail:
4176 	ql_log(ql_log_fatal, NULL, 0x0030,
4177 	    "Memory allocation failure.\n");
4178 	return -ENOMEM;
4179 }
4180 
4181 int
4182 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4183 {
4184 	int rval;
4185 	uint16_t	size, max_cnt, temp;
4186 	struct qla_hw_data *ha = vha->hw;
4187 
4188 	/* Return if we don't need to alloacate any extended logins */
4189 	if (!ql2xexlogins)
4190 		return QLA_SUCCESS;
4191 
4192 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4193 		return QLA_SUCCESS;
4194 
4195 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4196 	max_cnt = 0;
4197 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4198 	if (rval != QLA_SUCCESS) {
4199 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4200 		    "Failed to get exlogin status.\n");
4201 		return rval;
4202 	}
4203 
4204 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4205 	temp *= size;
4206 
4207 	if (temp != ha->exlogin_size) {
4208 		qla2x00_free_exlogin_buffer(ha);
4209 		ha->exlogin_size = temp;
4210 
4211 		ql_log(ql_log_info, vha, 0xd024,
4212 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4213 		    max_cnt, size, temp);
4214 
4215 		ql_log(ql_log_info, vha, 0xd025,
4216 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4217 
4218 		/* Get consistent memory for extended logins */
4219 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4220 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4221 		if (!ha->exlogin_buf) {
4222 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4223 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4224 			return -ENOMEM;
4225 		}
4226 	}
4227 
4228 	/* Now configure the dma buffer */
4229 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4230 	if (rval) {
4231 		ql_log(ql_log_fatal, vha, 0xd033,
4232 		    "Setup extended login buffer  ****FAILED****.\n");
4233 		qla2x00_free_exlogin_buffer(ha);
4234 	}
4235 
4236 	return rval;
4237 }
4238 
4239 /*
4240 * qla2x00_free_exlogin_buffer
4241 *
4242 * Input:
4243 *	ha = adapter block pointer
4244 */
4245 void
4246 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4247 {
4248 	if (ha->exlogin_buf) {
4249 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4250 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4251 		ha->exlogin_buf = NULL;
4252 		ha->exlogin_size = 0;
4253 	}
4254 }
4255 
4256 static void
4257 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4258 {
4259 	u32 temp;
4260 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4261 
4262 	if (max_cnt > vha->hw->max_exchg)
4263 		max_cnt = vha->hw->max_exchg;
4264 
4265 	if (qla_ini_mode_enabled(vha)) {
4266 		if (ql2xiniexchg > max_cnt)
4267 			ql2xiniexchg = max_cnt;
4268 
4269 		if (ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4270 			*ret_cnt = ql2xiniexchg;
4271 	} else if (qla_tgt_mode_enabled(vha)) {
4272 		if (ql2xexchoffld > max_cnt)
4273 			ql2xexchoffld = max_cnt;
4274 
4275 		if (ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4276 			*ret_cnt = ql2xexchoffld;
4277 	} else if (qla_dual_mode_enabled(vha)) {
4278 		temp = ql2xiniexchg + ql2xexchoffld;
4279 		if (temp > max_cnt) {
4280 			ql2xiniexchg -= (temp - max_cnt)/2;
4281 			ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4282 			temp = max_cnt;
4283 		}
4284 
4285 		if (temp > FW_DEF_EXCHANGES_CNT)
4286 			*ret_cnt = temp;
4287 	}
4288 }
4289 
4290 int
4291 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4292 {
4293 	int rval;
4294 	u16	size, max_cnt;
4295 	u32 actual_cnt, totsz;
4296 	struct qla_hw_data *ha = vha->hw;
4297 
4298 	if (!ha->flags.exchoffld_enabled)
4299 		return QLA_SUCCESS;
4300 
4301 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4302 		return QLA_SUCCESS;
4303 
4304 	max_cnt = 0;
4305 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4306 	if (rval != QLA_SUCCESS) {
4307 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4308 		    "Failed to get exlogin status.\n");
4309 		return rval;
4310 	}
4311 
4312 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4313 	ql_log(ql_log_info, vha, 0xd014,
4314 	    "Actual exchange offload count: %d.\n", actual_cnt);
4315 
4316 	totsz = actual_cnt * size;
4317 
4318 	if (totsz != ha->exchoffld_size) {
4319 		qla2x00_free_exchoffld_buffer(ha);
4320 		ha->exchoffld_size = totsz;
4321 
4322 		ql_log(ql_log_info, vha, 0xd016,
4323 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4324 		    max_cnt, actual_cnt, size, totsz);
4325 
4326 		ql_log(ql_log_info, vha, 0xd017,
4327 		    "Exchange Buffers requested size = 0x%x\n",
4328 		    ha->exchoffld_size);
4329 
4330 		/* Get consistent memory for extended logins */
4331 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4332 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4333 		if (!ha->exchoffld_buf) {
4334 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4335 			"Failed to allocate memory for Exchange Offload.\n");
4336 
4337 			if (ha->max_exchg >
4338 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4339 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4340 			} else if (ha->max_exchg >
4341 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4342 				ha->max_exchg -= 512;
4343 			} else {
4344 				ha->flags.exchoffld_enabled = 0;
4345 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4346 				    "Disabling Exchange offload due to lack of memory\n");
4347 			}
4348 			ha->exchoffld_size = 0;
4349 
4350 			return -ENOMEM;
4351 		}
4352 	}
4353 
4354 	/* Now configure the dma buffer */
4355 	rval = qla_set_exchoffld_mem_cfg(vha);
4356 	if (rval) {
4357 		ql_log(ql_log_fatal, vha, 0xd02e,
4358 		    "Setup exchange offload buffer ****FAILED****.\n");
4359 		qla2x00_free_exchoffld_buffer(ha);
4360 	} else {
4361 		/* re-adjust number of target exchange */
4362 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4363 
4364 		if (qla_ini_mode_enabled(vha))
4365 			icb->exchange_count = 0;
4366 		else
4367 			icb->exchange_count = cpu_to_le16(ql2xexchoffld);
4368 	}
4369 
4370 	return rval;
4371 }
4372 
4373 /*
4374 * qla2x00_free_exchoffld_buffer
4375 *
4376 * Input:
4377 *	ha = adapter block pointer
4378 */
4379 void
4380 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4381 {
4382 	if (ha->exchoffld_buf) {
4383 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4384 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4385 		ha->exchoffld_buf = NULL;
4386 		ha->exchoffld_size = 0;
4387 	}
4388 }
4389 
4390 /*
4391 * qla2x00_free_fw_dump
4392 *	Frees fw dump stuff.
4393 *
4394 * Input:
4395 *	ha = adapter block pointer
4396 */
4397 static void
4398 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4399 {
4400 	if (ha->fce)
4401 		dma_free_coherent(&ha->pdev->dev,
4402 		    FCE_SIZE, ha->fce, ha->fce_dma);
4403 
4404 	if (ha->eft)
4405 		dma_free_coherent(&ha->pdev->dev,
4406 		    EFT_SIZE, ha->eft, ha->eft_dma);
4407 
4408 	if (ha->fw_dump)
4409 		vfree(ha->fw_dump);
4410 	if (ha->fw_dump_template)
4411 		vfree(ha->fw_dump_template);
4412 
4413 	ha->fce = NULL;
4414 	ha->fce_dma = 0;
4415 	ha->eft = NULL;
4416 	ha->eft_dma = 0;
4417 	ha->fw_dumped = 0;
4418 	ha->fw_dump_cap_flags = 0;
4419 	ha->fw_dump_reading = 0;
4420 	ha->fw_dump = NULL;
4421 	ha->fw_dump_len = 0;
4422 	ha->fw_dump_template = NULL;
4423 	ha->fw_dump_template_len = 0;
4424 }
4425 
4426 /*
4427 * qla2x00_mem_free
4428 *      Frees all adapter allocated memory.
4429 *
4430 * Input:
4431 *      ha = adapter block pointer.
4432 */
4433 static void
4434 qla2x00_mem_free(struct qla_hw_data *ha)
4435 {
4436 	qla2x00_free_fw_dump(ha);
4437 
4438 	if (ha->mctp_dump)
4439 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4440 		    ha->mctp_dump_dma);
4441 
4442 	if (ha->srb_mempool)
4443 		mempool_destroy(ha->srb_mempool);
4444 
4445 	if (ha->dcbx_tlv)
4446 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4447 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4448 
4449 	if (ha->xgmac_data)
4450 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4451 		    ha->xgmac_data, ha->xgmac_data_dma);
4452 
4453 	if (ha->sns_cmd)
4454 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4455 		ha->sns_cmd, ha->sns_cmd_dma);
4456 
4457 	if (ha->ct_sns)
4458 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4459 		ha->ct_sns, ha->ct_sns_dma);
4460 
4461 	if (ha->sfp_data)
4462 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4463 		    ha->sfp_data_dma);
4464 
4465 	if (ha->ms_iocb)
4466 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4467 
4468 	if (ha->ex_init_cb)
4469 		dma_pool_free(ha->s_dma_pool,
4470 			ha->ex_init_cb, ha->ex_init_cb_dma);
4471 
4472 	if (ha->async_pd)
4473 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4474 
4475 	if (ha->s_dma_pool)
4476 		dma_pool_destroy(ha->s_dma_pool);
4477 
4478 	if (ha->gid_list)
4479 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4480 		ha->gid_list, ha->gid_list_dma);
4481 
4482 	if (IS_QLA82XX(ha)) {
4483 		if (!list_empty(&ha->gbl_dsd_list)) {
4484 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4485 
4486 			/* clean up allocated prev pool */
4487 			list_for_each_entry_safe(dsd_ptr,
4488 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4489 				dma_pool_free(ha->dl_dma_pool,
4490 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4491 				list_del(&dsd_ptr->list);
4492 				kfree(dsd_ptr);
4493 			}
4494 		}
4495 	}
4496 
4497 	if (ha->dl_dma_pool)
4498 		dma_pool_destroy(ha->dl_dma_pool);
4499 
4500 	if (ha->fcp_cmnd_dma_pool)
4501 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4502 
4503 	if (ha->ctx_mempool)
4504 		mempool_destroy(ha->ctx_mempool);
4505 
4506 	qlt_mem_free(ha);
4507 
4508 	if (ha->init_cb)
4509 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4510 			ha->init_cb, ha->init_cb_dma);
4511 
4512 	if (ha->optrom_buffer)
4513 		vfree(ha->optrom_buffer);
4514 	if (ha->nvram)
4515 		kfree(ha->nvram);
4516 	if (ha->npiv_info)
4517 		kfree(ha->npiv_info);
4518 	if (ha->swl)
4519 		kfree(ha->swl);
4520 	if (ha->loop_id_map)
4521 		kfree(ha->loop_id_map);
4522 
4523 	ha->srb_mempool = NULL;
4524 	ha->ctx_mempool = NULL;
4525 	ha->sns_cmd = NULL;
4526 	ha->sns_cmd_dma = 0;
4527 	ha->ct_sns = NULL;
4528 	ha->ct_sns_dma = 0;
4529 	ha->ms_iocb = NULL;
4530 	ha->ms_iocb_dma = 0;
4531 	ha->init_cb = NULL;
4532 	ha->init_cb_dma = 0;
4533 	ha->ex_init_cb = NULL;
4534 	ha->ex_init_cb_dma = 0;
4535 	ha->async_pd = NULL;
4536 	ha->async_pd_dma = 0;
4537 	ha->loop_id_map = NULL;
4538 	ha->npiv_info = NULL;
4539 	ha->optrom_buffer = NULL;
4540 	ha->swl = NULL;
4541 	ha->nvram = NULL;
4542 	ha->mctp_dump = NULL;
4543 	ha->dcbx_tlv = NULL;
4544 	ha->xgmac_data = NULL;
4545 	ha->sfp_data = NULL;
4546 
4547 	ha->s_dma_pool = NULL;
4548 	ha->dl_dma_pool = NULL;
4549 	ha->fcp_cmnd_dma_pool = NULL;
4550 
4551 	ha->gid_list = NULL;
4552 	ha->gid_list_dma = 0;
4553 
4554 	ha->tgt.atio_ring = NULL;
4555 	ha->tgt.atio_dma = 0;
4556 	ha->tgt.tgt_vp_map = NULL;
4557 }
4558 
4559 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4560 						struct qla_hw_data *ha)
4561 {
4562 	struct Scsi_Host *host;
4563 	struct scsi_qla_host *vha = NULL;
4564 
4565 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4566 	if (!host) {
4567 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4568 		    "Failed to allocate host from the scsi layer, aborting.\n");
4569 		return NULL;
4570 	}
4571 
4572 	/* Clear our data area */
4573 	vha = shost_priv(host);
4574 	memset(vha, 0, sizeof(scsi_qla_host_t));
4575 
4576 	vha->host = host;
4577 	vha->host_no = host->host_no;
4578 	vha->hw = ha;
4579 
4580 	INIT_LIST_HEAD(&vha->vp_fcports);
4581 	INIT_LIST_HEAD(&vha->work_list);
4582 	INIT_LIST_HEAD(&vha->list);
4583 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4584 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4585 	INIT_LIST_HEAD(&vha->logo_list);
4586 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4587 	INIT_LIST_HEAD(&vha->qp_list);
4588 	INIT_LIST_HEAD(&vha->gnl.fcports);
4589 	INIT_LIST_HEAD(&vha->nvme_rport_list);
4590 	INIT_LIST_HEAD(&vha->gpnid_list);
4591 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4592 
4593 	spin_lock_init(&vha->work_lock);
4594 	spin_lock_init(&vha->cmd_list_lock);
4595 	spin_lock_init(&vha->gnl.fcports_lock);
4596 	init_waitqueue_head(&vha->fcport_waitQ);
4597 	init_waitqueue_head(&vha->vref_waitq);
4598 
4599 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4600 			(ha->max_loop_id + 1);
4601 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4602 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4603 	if (!vha->gnl.l) {
4604 		ql_log(ql_log_fatal, vha, 0xd04a,
4605 		    "Alloc failed for name list.\n");
4606 		scsi_remove_host(vha->host);
4607 		return NULL;
4608 	}
4609 
4610 	/* todo: what about ext login? */
4611 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4612 	vha->scan.l = vmalloc(vha->scan.size);
4613 	if (!vha->scan.l) {
4614 		ql_log(ql_log_fatal, vha, 0xd04a,
4615 		    "Alloc failed for scan database.\n");
4616 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4617 		    vha->gnl.l, vha->gnl.ldma);
4618 		scsi_remove_host(vha->host);
4619 		return NULL;
4620 	}
4621 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4622 
4623 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4624 	ql_dbg(ql_dbg_init, vha, 0x0041,
4625 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4626 	    vha->host, vha->hw, vha,
4627 	    dev_name(&(ha->pdev->dev)));
4628 
4629 	return vha;
4630 }
4631 
4632 struct qla_work_evt *
4633 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4634 {
4635 	struct qla_work_evt *e;
4636 	uint8_t bail;
4637 
4638 	QLA_VHA_MARK_BUSY(vha, bail);
4639 	if (bail)
4640 		return NULL;
4641 
4642 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4643 	if (!e) {
4644 		QLA_VHA_MARK_NOT_BUSY(vha);
4645 		return NULL;
4646 	}
4647 
4648 	INIT_LIST_HEAD(&e->list);
4649 	e->type = type;
4650 	e->flags = QLA_EVT_FLAG_FREE;
4651 	return e;
4652 }
4653 
4654 int
4655 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4656 {
4657 	unsigned long flags;
4658 	bool q = false;
4659 
4660 	spin_lock_irqsave(&vha->work_lock, flags);
4661 	list_add_tail(&e->list, &vha->work_list);
4662 
4663 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4664 		q = true;
4665 
4666 	spin_unlock_irqrestore(&vha->work_lock, flags);
4667 
4668 	if (q)
4669 		queue_work(vha->hw->wq, &vha->iocb_work);
4670 
4671 	return QLA_SUCCESS;
4672 }
4673 
4674 int
4675 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4676     u32 data)
4677 {
4678 	struct qla_work_evt *e;
4679 
4680 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4681 	if (!e)
4682 		return QLA_FUNCTION_FAILED;
4683 
4684 	e->u.aen.code = code;
4685 	e->u.aen.data = data;
4686 	return qla2x00_post_work(vha, e);
4687 }
4688 
4689 int
4690 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4691 {
4692 	struct qla_work_evt *e;
4693 
4694 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4695 	if (!e)
4696 		return QLA_FUNCTION_FAILED;
4697 
4698 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4699 	return qla2x00_post_work(vha, e);
4700 }
4701 
4702 #define qla2x00_post_async_work(name, type)	\
4703 int qla2x00_post_async_##name##_work(		\
4704     struct scsi_qla_host *vha,			\
4705     fc_port_t *fcport, uint16_t *data)		\
4706 {						\
4707 	struct qla_work_evt *e;			\
4708 						\
4709 	e = qla2x00_alloc_work(vha, type);	\
4710 	if (!e)					\
4711 		return QLA_FUNCTION_FAILED;	\
4712 						\
4713 	e->u.logio.fcport = fcport;		\
4714 	if (data) {				\
4715 		e->u.logio.data[0] = data[0];	\
4716 		e->u.logio.data[1] = data[1];	\
4717 	}					\
4718 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4719 	return qla2x00_post_work(vha, e);	\
4720 }
4721 
4722 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4723 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4724 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4725 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4726 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4727 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4728 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4729 
4730 int
4731 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4732 {
4733 	struct qla_work_evt *e;
4734 
4735 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4736 	if (!e)
4737 		return QLA_FUNCTION_FAILED;
4738 
4739 	e->u.uevent.code = code;
4740 	return qla2x00_post_work(vha, e);
4741 }
4742 
4743 static void
4744 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4745 {
4746 	char event_string[40];
4747 	char *envp[] = { event_string, NULL };
4748 
4749 	switch (code) {
4750 	case QLA_UEVENT_CODE_FW_DUMP:
4751 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4752 		    vha->host_no);
4753 		break;
4754 	default:
4755 		/* do nothing */
4756 		break;
4757 	}
4758 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4759 }
4760 
4761 int
4762 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4763 			uint32_t *data, int cnt)
4764 {
4765 	struct qla_work_evt *e;
4766 
4767 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4768 	if (!e)
4769 		return QLA_FUNCTION_FAILED;
4770 
4771 	e->u.aenfx.evtcode = evtcode;
4772 	e->u.aenfx.count = cnt;
4773 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
4774 	return qla2x00_post_work(vha, e);
4775 }
4776 
4777 int qla24xx_post_upd_fcport_work(struct scsi_qla_host *vha, fc_port_t *fcport)
4778 {
4779 	struct qla_work_evt *e;
4780 
4781 	e = qla2x00_alloc_work(vha, QLA_EVT_UPD_FCPORT);
4782 	if (!e)
4783 		return QLA_FUNCTION_FAILED;
4784 
4785 	e->u.fcport.fcport = fcport;
4786 	return qla2x00_post_work(vha, e);
4787 }
4788 
4789 static
4790 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
4791 {
4792 	unsigned long flags;
4793 	fc_port_t *fcport =  NULL, *tfcp;
4794 	struct qlt_plogi_ack_t *pla =
4795 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
4796 	uint8_t free_fcport = 0;
4797 	u64 wwn;
4798 
4799 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4800 	    "%s %d %8phC enter\n",
4801 	    __func__, __LINE__, e->u.new_sess.port_name);
4802 
4803 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4804 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
4805 	if (fcport) {
4806 		fcport->d_id = e->u.new_sess.id;
4807 		if (pla) {
4808 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4809 			memcpy(fcport->node_name,
4810 			    pla->iocb.u.isp24.u.plogi.node_name,
4811 			    WWN_SIZE);
4812 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
4813 			/* we took an extra ref_count to prevent PLOGI ACK when
4814 			 * fcport/sess has not been created.
4815 			 */
4816 			pla->ref_count--;
4817 		}
4818 	} else {
4819 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4820 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4821 		if (fcport) {
4822 			fcport->d_id = e->u.new_sess.id;
4823 			fcport->flags |= FCF_FABRIC_DEVICE;
4824 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4825 			if (e->u.new_sess.fc4_type == FC4_TYPE_FCP_SCSI) {
4826 				fcport->fc4_type = FC4_TYPE_FCP_SCSI;
4827 			} else if (e->u.new_sess.fc4_type == FC4_TYPE_NVME) {
4828 				fcport->fc4_type = FC4_TYPE_OTHER;
4829 				fcport->fc4f_nvme = FC4_TYPE_NVME;
4830 			}
4831 			memcpy(fcport->port_name, e->u.new_sess.port_name,
4832 			    WWN_SIZE);
4833 		} else {
4834 			ql_dbg(ql_dbg_disc, vha, 0xffff,
4835 				   "%s %8phC mem alloc fail.\n",
4836 				   __func__, e->u.new_sess.port_name);
4837 
4838 			if (pla)
4839 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
4840 			return;
4841 		}
4842 
4843 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4844 		/* search again to make sure no one else got ahead */
4845 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
4846 		    e->u.new_sess.port_name, 1);
4847 		if (tfcp) {
4848 			/* should rarily happen */
4849 			ql_dbg(ql_dbg_disc, vha, 0xffff,
4850 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
4851 			    __func__, tfcp->port_name, tfcp->disc_state,
4852 			    tfcp->fw_login_state);
4853 
4854 			free_fcport = 1;
4855 		} else {
4856 			list_add_tail(&fcport->list, &vha->vp_fcports);
4857 
4858 		}
4859 		if (pla) {
4860 			qlt_plogi_ack_link(vha, pla, fcport,
4861 			    QLT_PLOGI_LINK_SAME_WWN);
4862 			pla->ref_count--;
4863 		}
4864 	}
4865 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4866 
4867 	if (fcport) {
4868 		if (N2N_TOPO(vha->hw))
4869 			fcport->flags &= ~FCF_FABRIC_DEVICE;
4870 
4871 		fcport->id_changed = 1;
4872 		fcport->scan_state = QLA_FCPORT_FOUND;
4873 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
4874 
4875 		if (pla) {
4876 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
4877 				u16 wd3_lo;
4878 
4879 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
4880 				fcport->local = 0;
4881 				fcport->loop_id =
4882 					le16_to_cpu(
4883 					    pla->iocb.u.isp24.nport_handle);
4884 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
4885 				wd3_lo =
4886 				    le16_to_cpu(
4887 					pla->iocb.u.isp24.u.prli.wd3_lo);
4888 
4889 				if (wd3_lo & BIT_7)
4890 					fcport->conf_compl_supported = 1;
4891 
4892 				if ((wd3_lo & BIT_4) == 0)
4893 					fcport->port_type = FCT_INITIATOR;
4894 				else
4895 					fcport->port_type = FCT_TARGET;
4896 			}
4897 			qlt_plogi_ack_unref(vha, pla);
4898 		} else {
4899 			fc_port_t *dfcp = NULL;
4900 
4901 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4902 			tfcp = qla2x00_find_fcport_by_nportid(vha,
4903 			    &e->u.new_sess.id, 1);
4904 			if (tfcp && (tfcp != fcport)) {
4905 				/*
4906 				 * We have a conflict fcport with same NportID.
4907 				 */
4908 				ql_dbg(ql_dbg_disc, vha, 0xffff,
4909 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
4910 				    __func__, tfcp->port_name, tfcp->disc_state,
4911 				    tfcp->fw_login_state);
4912 
4913 				switch (tfcp->disc_state) {
4914 				case DSC_DELETED:
4915 					break;
4916 				case DSC_DELETE_PEND:
4917 					fcport->login_pause = 1;
4918 					tfcp->conflict = fcport;
4919 					break;
4920 				default:
4921 					fcport->login_pause = 1;
4922 					tfcp->conflict = fcport;
4923 					dfcp = tfcp;
4924 					break;
4925 				}
4926 			}
4927 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4928 			if (dfcp)
4929 				qlt_schedule_sess_for_deletion(tfcp);
4930 
4931 			wwn = wwn_to_u64(fcport->node_name);
4932 
4933 			if (!wwn)
4934 				qla24xx_async_gnnid(vha, fcport);
4935 			else
4936 				qla24xx_async_gnl(vha, fcport);
4937 		}
4938 	}
4939 
4940 	if (free_fcport) {
4941 		qla2x00_free_fcport(fcport);
4942 		if (pla)
4943 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
4944 	}
4945 }
4946 
4947 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
4948 {
4949 	struct srb *sp = e->u.iosb.sp;
4950 	int rval;
4951 
4952 	rval = qla2x00_start_sp(sp);
4953 	if (rval != QLA_SUCCESS) {
4954 		ql_dbg(ql_dbg_disc, vha, 0x2043,
4955 		    "%s: %s: Re-issue IOCB failed (%d).\n",
4956 		    __func__, sp->name, rval);
4957 		qla24xx_sp_unmap(vha, sp);
4958 	}
4959 }
4960 
4961 void
4962 qla2x00_do_work(struct scsi_qla_host *vha)
4963 {
4964 	struct qla_work_evt *e, *tmp;
4965 	unsigned long flags;
4966 	LIST_HEAD(work);
4967 
4968 	spin_lock_irqsave(&vha->work_lock, flags);
4969 	list_splice_init(&vha->work_list, &work);
4970 	spin_unlock_irqrestore(&vha->work_lock, flags);
4971 
4972 	list_for_each_entry_safe(e, tmp, &work, list) {
4973 		list_del_init(&e->list);
4974 
4975 		switch (e->type) {
4976 		case QLA_EVT_AEN:
4977 			fc_host_post_event(vha->host, fc_get_event_number(),
4978 			    e->u.aen.code, e->u.aen.data);
4979 			break;
4980 		case QLA_EVT_IDC_ACK:
4981 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
4982 			break;
4983 		case QLA_EVT_ASYNC_LOGIN:
4984 			qla2x00_async_login(vha, e->u.logio.fcport,
4985 			    e->u.logio.data);
4986 			break;
4987 		case QLA_EVT_ASYNC_LOGOUT:
4988 			qla2x00_async_logout(vha, e->u.logio.fcport);
4989 			break;
4990 		case QLA_EVT_ASYNC_LOGOUT_DONE:
4991 			qla2x00_async_logout_done(vha, e->u.logio.fcport,
4992 			    e->u.logio.data);
4993 			break;
4994 		case QLA_EVT_ASYNC_ADISC:
4995 			qla2x00_async_adisc(vha, e->u.logio.fcport,
4996 			    e->u.logio.data);
4997 			break;
4998 		case QLA_EVT_ASYNC_ADISC_DONE:
4999 			qla2x00_async_adisc_done(vha, e->u.logio.fcport,
5000 			    e->u.logio.data);
5001 			break;
5002 		case QLA_EVT_UEVENT:
5003 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5004 			break;
5005 		case QLA_EVT_AENFX:
5006 			qlafx00_process_aen(vha, e);
5007 			break;
5008 		case QLA_EVT_GIDPN:
5009 			qla24xx_async_gidpn(vha, e->u.fcport.fcport);
5010 			break;
5011 		case QLA_EVT_GPNID:
5012 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5013 			break;
5014 		case QLA_EVT_UNMAP:
5015 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5016 			break;
5017 		case QLA_EVT_RELOGIN:
5018 			qla2x00_relogin(vha);
5019 			break;
5020 		case QLA_EVT_NEW_SESS:
5021 			qla24xx_create_new_sess(vha, e);
5022 			break;
5023 		case QLA_EVT_GPDB:
5024 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5025 			    e->u.fcport.opt);
5026 			break;
5027 		case QLA_EVT_PRLI:
5028 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5029 			break;
5030 		case QLA_EVT_GPSC:
5031 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5032 			break;
5033 		case QLA_EVT_UPD_FCPORT:
5034 			qla2x00_update_fcport(vha, e->u.fcport.fcport);
5035 			break;
5036 		case QLA_EVT_GNL:
5037 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5038 			break;
5039 		case QLA_EVT_NACK:
5040 			qla24xx_do_nack_work(vha, e);
5041 			break;
5042 		case QLA_EVT_ASYNC_PRLO:
5043 			qla2x00_async_prlo(vha, e->u.logio.fcport);
5044 			break;
5045 		case QLA_EVT_ASYNC_PRLO_DONE:
5046 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5047 			    e->u.logio.data);
5048 			break;
5049 		case QLA_EVT_GPNFT:
5050 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type);
5051 			break;
5052 		case QLA_EVT_GPNFT_DONE:
5053 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5054 			break;
5055 		case QLA_EVT_GNNFT_DONE:
5056 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5057 			break;
5058 		case QLA_EVT_GNNID:
5059 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5060 			break;
5061 		case QLA_EVT_GFPNID:
5062 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5063 			break;
5064 		case QLA_EVT_SP_RETRY:
5065 			qla_sp_retry(vha, e);
5066 		}
5067 		if (e->flags & QLA_EVT_FLAG_FREE)
5068 			kfree(e);
5069 
5070 		/* For each work completed decrement vha ref count */
5071 		QLA_VHA_MARK_NOT_BUSY(vha);
5072 	}
5073 }
5074 
5075 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5076 {
5077 	struct qla_work_evt *e;
5078 
5079 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5080 
5081 	if (!e) {
5082 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5083 		return QLA_FUNCTION_FAILED;
5084 	}
5085 
5086 	return qla2x00_post_work(vha, e);
5087 }
5088 
5089 /* Relogins all the fcports of a vport
5090  * Context: dpc thread
5091  */
5092 void qla2x00_relogin(struct scsi_qla_host *vha)
5093 {
5094 	fc_port_t       *fcport;
5095 	int status;
5096 	struct event_arg ea;
5097 
5098 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5099 		/*
5100 		 * If the port is not ONLINE then try to login
5101 		 * to it if we haven't run out of retries.
5102 		 */
5103 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5104 		    fcport->login_retry &&
5105 		    !(fcport->flags & (FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE))) {
5106 			if (vha->hw->current_topology != ISP_CFG_NL) {
5107 				ql_dbg(ql_dbg_disc, fcport->vha, 0x2108,
5108 				    "%s %8phC DS %d LS %d\n", __func__,
5109 				    fcport->port_name, fcport->disc_state,
5110 				    fcport->fw_login_state);
5111 				memset(&ea, 0, sizeof(ea));
5112 				ea.event = FCME_RELOGIN;
5113 				ea.fcport = fcport;
5114 				qla2x00_fcport_event_handler(vha, &ea);
5115 			} else if (vha->hw->current_topology == ISP_CFG_NL) {
5116 				fcport->login_retry--;
5117 				status = qla2x00_local_device_login(vha,
5118 								fcport);
5119 				if (status == QLA_SUCCESS) {
5120 					fcport->old_loop_id = fcport->loop_id;
5121 					ql_dbg(ql_dbg_disc, vha, 0x2003,
5122 					    "Port login OK: logged in ID 0x%x.\n",
5123 					    fcport->loop_id);
5124 					qla2x00_update_fcport(vha, fcport);
5125 				} else if (status == 1) {
5126 					set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5127 					/* retry the login again */
5128 					ql_dbg(ql_dbg_disc, vha, 0x2007,
5129 					    "Retrying %d login again loop_id 0x%x.\n",
5130 					    fcport->login_retry,
5131 					    fcport->loop_id);
5132 				} else {
5133 					fcport->login_retry = 0;
5134 				}
5135 
5136 				if (fcport->login_retry == 0 &&
5137 				    status != QLA_SUCCESS)
5138 					qla2x00_clear_loop_id(fcport);
5139 			}
5140 		}
5141 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5142 			break;
5143 	}
5144 
5145 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5146 	    "Relogin end.\n");
5147 }
5148 
5149 /* Schedule work on any of the dpc-workqueues */
5150 void
5151 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5152 {
5153 	struct qla_hw_data *ha = base_vha->hw;
5154 
5155 	switch (work_code) {
5156 	case MBA_IDC_AEN: /* 0x8200 */
5157 		if (ha->dpc_lp_wq)
5158 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5159 		break;
5160 
5161 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5162 		if (!ha->flags.nic_core_reset_hdlr_active) {
5163 			if (ha->dpc_hp_wq)
5164 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5165 		} else
5166 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5167 			    "NIC Core reset is already active. Skip "
5168 			    "scheduling it again.\n");
5169 		break;
5170 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5171 		if (ha->dpc_hp_wq)
5172 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5173 		break;
5174 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5175 		if (ha->dpc_hp_wq)
5176 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5177 		break;
5178 	default:
5179 		ql_log(ql_log_warn, base_vha, 0xb05f,
5180 		    "Unknown work-code=0x%x.\n", work_code);
5181 	}
5182 
5183 	return;
5184 }
5185 
5186 /* Work: Perform NIC Core Unrecoverable state handling */
5187 void
5188 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5189 {
5190 	struct qla_hw_data *ha =
5191 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5192 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5193 	uint32_t dev_state = 0;
5194 
5195 	qla83xx_idc_lock(base_vha, 0);
5196 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5197 	qla83xx_reset_ownership(base_vha);
5198 	if (ha->flags.nic_core_reset_owner) {
5199 		ha->flags.nic_core_reset_owner = 0;
5200 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5201 		    QLA8XXX_DEV_FAILED);
5202 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5203 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5204 	}
5205 	qla83xx_idc_unlock(base_vha, 0);
5206 }
5207 
5208 /* Work: Execute IDC state handler */
5209 void
5210 qla83xx_idc_state_handler_work(struct work_struct *work)
5211 {
5212 	struct qla_hw_data *ha =
5213 		container_of(work, struct qla_hw_data, idc_state_handler);
5214 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5215 	uint32_t dev_state = 0;
5216 
5217 	qla83xx_idc_lock(base_vha, 0);
5218 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5219 	if (dev_state == QLA8XXX_DEV_FAILED ||
5220 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5221 		qla83xx_idc_state_handler(base_vha);
5222 	qla83xx_idc_unlock(base_vha, 0);
5223 }
5224 
5225 static int
5226 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5227 {
5228 	int rval = QLA_SUCCESS;
5229 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5230 	uint32_t heart_beat_counter1, heart_beat_counter2;
5231 
5232 	do {
5233 		if (time_after(jiffies, heart_beat_wait)) {
5234 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5235 			    "Nic Core f/w is not alive.\n");
5236 			rval = QLA_FUNCTION_FAILED;
5237 			break;
5238 		}
5239 
5240 		qla83xx_idc_lock(base_vha, 0);
5241 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5242 		    &heart_beat_counter1);
5243 		qla83xx_idc_unlock(base_vha, 0);
5244 		msleep(100);
5245 		qla83xx_idc_lock(base_vha, 0);
5246 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5247 		    &heart_beat_counter2);
5248 		qla83xx_idc_unlock(base_vha, 0);
5249 	} while (heart_beat_counter1 == heart_beat_counter2);
5250 
5251 	return rval;
5252 }
5253 
5254 /* Work: Perform NIC Core Reset handling */
5255 void
5256 qla83xx_nic_core_reset_work(struct work_struct *work)
5257 {
5258 	struct qla_hw_data *ha =
5259 		container_of(work, struct qla_hw_data, nic_core_reset);
5260 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5261 	uint32_t dev_state = 0;
5262 
5263 	if (IS_QLA2031(ha)) {
5264 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5265 			ql_log(ql_log_warn, base_vha, 0xb081,
5266 			    "Failed to dump mctp\n");
5267 		return;
5268 	}
5269 
5270 	if (!ha->flags.nic_core_reset_hdlr_active) {
5271 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5272 			qla83xx_idc_lock(base_vha, 0);
5273 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5274 			    &dev_state);
5275 			qla83xx_idc_unlock(base_vha, 0);
5276 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5277 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5278 				    "Nic Core f/w is alive.\n");
5279 				return;
5280 			}
5281 		}
5282 
5283 		ha->flags.nic_core_reset_hdlr_active = 1;
5284 		if (qla83xx_nic_core_reset(base_vha)) {
5285 			/* NIC Core reset failed. */
5286 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5287 			    "NIC Core reset failed.\n");
5288 		}
5289 		ha->flags.nic_core_reset_hdlr_active = 0;
5290 	}
5291 }
5292 
5293 /* Work: Handle 8200 IDC aens */
5294 void
5295 qla83xx_service_idc_aen(struct work_struct *work)
5296 {
5297 	struct qla_hw_data *ha =
5298 		container_of(work, struct qla_hw_data, idc_aen);
5299 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5300 	uint32_t dev_state, idc_control;
5301 
5302 	qla83xx_idc_lock(base_vha, 0);
5303 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5304 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5305 	qla83xx_idc_unlock(base_vha, 0);
5306 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5307 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5308 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5309 			    "Application requested NIC Core Reset.\n");
5310 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5311 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5312 		    QLA_SUCCESS) {
5313 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5314 			    "Other protocol driver requested NIC Core Reset.\n");
5315 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5316 		}
5317 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5318 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5319 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5320 	}
5321 }
5322 
5323 static void
5324 qla83xx_wait_logic(void)
5325 {
5326 	int i;
5327 
5328 	/* Yield CPU */
5329 	if (!in_interrupt()) {
5330 		/*
5331 		 * Wait about 200ms before retrying again.
5332 		 * This controls the number of retries for single
5333 		 * lock operation.
5334 		 */
5335 		msleep(100);
5336 		schedule();
5337 	} else {
5338 		for (i = 0; i < 20; i++)
5339 			cpu_relax(); /* This a nop instr on i386 */
5340 	}
5341 }
5342 
5343 static int
5344 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5345 {
5346 	int rval;
5347 	uint32_t data;
5348 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5349 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5350 	struct qla_hw_data *ha = base_vha->hw;
5351 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5352 	    "Trying force recovery of the IDC lock.\n");
5353 
5354 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5355 	if (rval)
5356 		return rval;
5357 
5358 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5359 		return QLA_SUCCESS;
5360 	} else {
5361 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5362 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5363 		    data);
5364 		if (rval)
5365 			return rval;
5366 
5367 		msleep(200);
5368 
5369 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5370 		    &data);
5371 		if (rval)
5372 			return rval;
5373 
5374 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5375 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5376 					~(idc_lck_rcvry_stage_mask));
5377 			rval = qla83xx_wr_reg(base_vha,
5378 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5379 			if (rval)
5380 				return rval;
5381 
5382 			/* Forcefully perform IDC UnLock */
5383 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5384 			    &data);
5385 			if (rval)
5386 				return rval;
5387 			/* Clear lock-id by setting 0xff */
5388 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5389 			    0xff);
5390 			if (rval)
5391 				return rval;
5392 			/* Clear lock-recovery by setting 0x0 */
5393 			rval = qla83xx_wr_reg(base_vha,
5394 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5395 			if (rval)
5396 				return rval;
5397 		} else
5398 			return QLA_SUCCESS;
5399 	}
5400 
5401 	return rval;
5402 }
5403 
5404 static int
5405 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5406 {
5407 	int rval = QLA_SUCCESS;
5408 	uint32_t o_drv_lockid, n_drv_lockid;
5409 	unsigned long lock_recovery_timeout;
5410 
5411 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5412 retry_lockid:
5413 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5414 	if (rval)
5415 		goto exit;
5416 
5417 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5418 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5419 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5420 			return QLA_SUCCESS;
5421 		else
5422 			return QLA_FUNCTION_FAILED;
5423 	}
5424 
5425 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5426 	if (rval)
5427 		goto exit;
5428 
5429 	if (o_drv_lockid == n_drv_lockid) {
5430 		qla83xx_wait_logic();
5431 		goto retry_lockid;
5432 	} else
5433 		return QLA_SUCCESS;
5434 
5435 exit:
5436 	return rval;
5437 }
5438 
5439 void
5440 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5441 {
5442 	uint16_t options = (requester_id << 15) | BIT_6;
5443 	uint32_t data;
5444 	uint32_t lock_owner;
5445 	struct qla_hw_data *ha = base_vha->hw;
5446 
5447 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5448 retry_lock:
5449 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5450 	    == QLA_SUCCESS) {
5451 		if (data) {
5452 			/* Setting lock-id to our function-number */
5453 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5454 			    ha->portnum);
5455 		} else {
5456 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5457 			    &lock_owner);
5458 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5459 			    "Failed to acquire IDC lock, acquired by %d, "
5460 			    "retrying...\n", lock_owner);
5461 
5462 			/* Retry/Perform IDC-Lock recovery */
5463 			if (qla83xx_idc_lock_recovery(base_vha)
5464 			    == QLA_SUCCESS) {
5465 				qla83xx_wait_logic();
5466 				goto retry_lock;
5467 			} else
5468 				ql_log(ql_log_warn, base_vha, 0xb075,
5469 				    "IDC Lock recovery FAILED.\n");
5470 		}
5471 
5472 	}
5473 
5474 	return;
5475 
5476 	/* XXX: IDC-lock implementation using access-control mbx */
5477 retry_lock2:
5478 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5479 		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
5480 		    "Failed to acquire IDC lock. retrying...\n");
5481 		/* Retry/Perform IDC-Lock recovery */
5482 		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
5483 			qla83xx_wait_logic();
5484 			goto retry_lock2;
5485 		} else
5486 			ql_log(ql_log_warn, base_vha, 0xb076,
5487 			    "IDC Lock recovery FAILED.\n");
5488 	}
5489 
5490 	return;
5491 }
5492 
5493 void
5494 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5495 {
5496 #if 0
5497 	uint16_t options = (requester_id << 15) | BIT_7;
5498 #endif
5499 	uint16_t retry;
5500 	uint32_t data;
5501 	struct qla_hw_data *ha = base_vha->hw;
5502 
5503 	/* IDC-unlock implementation using driver-unlock/lock-id
5504 	 * remote registers
5505 	 */
5506 	retry = 0;
5507 retry_unlock:
5508 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
5509 	    == QLA_SUCCESS) {
5510 		if (data == ha->portnum) {
5511 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
5512 			/* Clearing lock-id by setting 0xff */
5513 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
5514 		} else if (retry < 10) {
5515 			/* SV: XXX: IDC unlock retrying needed here? */
5516 
5517 			/* Retry for IDC-unlock */
5518 			qla83xx_wait_logic();
5519 			retry++;
5520 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
5521 			    "Failed to release IDC lock, retrying=%d\n", retry);
5522 			goto retry_unlock;
5523 		}
5524 	} else if (retry < 10) {
5525 		/* Retry for IDC-unlock */
5526 		qla83xx_wait_logic();
5527 		retry++;
5528 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
5529 		    "Failed to read drv-lockid, retrying=%d\n", retry);
5530 		goto retry_unlock;
5531 	}
5532 
5533 	return;
5534 
5535 #if 0
5536 	/* XXX: IDC-unlock implementation using access-control mbx */
5537 	retry = 0;
5538 retry_unlock2:
5539 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5540 		if (retry < 10) {
5541 			/* Retry for IDC-unlock */
5542 			qla83xx_wait_logic();
5543 			retry++;
5544 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
5545 			    "Failed to release IDC lock, retrying=%d\n", retry);
5546 			goto retry_unlock2;
5547 		}
5548 	}
5549 
5550 	return;
5551 #endif
5552 }
5553 
5554 int
5555 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5556 {
5557 	int rval = QLA_SUCCESS;
5558 	struct qla_hw_data *ha = vha->hw;
5559 	uint32_t drv_presence;
5560 
5561 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5562 	if (rval == QLA_SUCCESS) {
5563 		drv_presence |= (1 << ha->portnum);
5564 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5565 		    drv_presence);
5566 	}
5567 
5568 	return rval;
5569 }
5570 
5571 int
5572 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5573 {
5574 	int rval = QLA_SUCCESS;
5575 
5576 	qla83xx_idc_lock(vha, 0);
5577 	rval = __qla83xx_set_drv_presence(vha);
5578 	qla83xx_idc_unlock(vha, 0);
5579 
5580 	return rval;
5581 }
5582 
5583 int
5584 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5585 {
5586 	int rval = QLA_SUCCESS;
5587 	struct qla_hw_data *ha = vha->hw;
5588 	uint32_t drv_presence;
5589 
5590 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5591 	if (rval == QLA_SUCCESS) {
5592 		drv_presence &= ~(1 << ha->portnum);
5593 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5594 		    drv_presence);
5595 	}
5596 
5597 	return rval;
5598 }
5599 
5600 int
5601 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5602 {
5603 	int rval = QLA_SUCCESS;
5604 
5605 	qla83xx_idc_lock(vha, 0);
5606 	rval = __qla83xx_clear_drv_presence(vha);
5607 	qla83xx_idc_unlock(vha, 0);
5608 
5609 	return rval;
5610 }
5611 
5612 static void
5613 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
5614 {
5615 	struct qla_hw_data *ha = vha->hw;
5616 	uint32_t drv_ack, drv_presence;
5617 	unsigned long ack_timeout;
5618 
5619 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
5620 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
5621 	while (1) {
5622 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5623 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5624 		if ((drv_ack & drv_presence) == drv_presence)
5625 			break;
5626 
5627 		if (time_after_eq(jiffies, ack_timeout)) {
5628 			ql_log(ql_log_warn, vha, 0xb067,
5629 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
5630 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
5631 			/*
5632 			 * The function(s) which did not ack in time are forced
5633 			 * to withdraw any further participation in the IDC
5634 			 * reset.
5635 			 */
5636 			if (drv_ack != drv_presence)
5637 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5638 				    drv_ack);
5639 			break;
5640 		}
5641 
5642 		qla83xx_idc_unlock(vha, 0);
5643 		msleep(1000);
5644 		qla83xx_idc_lock(vha, 0);
5645 	}
5646 
5647 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
5648 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
5649 }
5650 
5651 static int
5652 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
5653 {
5654 	int rval = QLA_SUCCESS;
5655 	uint32_t idc_control;
5656 
5657 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
5658 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
5659 
5660 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
5661 	__qla83xx_get_idc_control(vha, &idc_control);
5662 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
5663 	__qla83xx_set_idc_control(vha, 0);
5664 
5665 	qla83xx_idc_unlock(vha, 0);
5666 	rval = qla83xx_restart_nic_firmware(vha);
5667 	qla83xx_idc_lock(vha, 0);
5668 
5669 	if (rval != QLA_SUCCESS) {
5670 		ql_log(ql_log_fatal, vha, 0xb06a,
5671 		    "Failed to restart NIC f/w.\n");
5672 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
5673 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
5674 	} else {
5675 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
5676 		    "Success in restarting nic f/w.\n");
5677 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
5678 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
5679 	}
5680 
5681 	return rval;
5682 }
5683 
5684 /* Assumes idc_lock always held on entry */
5685 int
5686 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
5687 {
5688 	struct qla_hw_data *ha = base_vha->hw;
5689 	int rval = QLA_SUCCESS;
5690 	unsigned long dev_init_timeout;
5691 	uint32_t dev_state;
5692 
5693 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
5694 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
5695 
5696 	while (1) {
5697 
5698 		if (time_after_eq(jiffies, dev_init_timeout)) {
5699 			ql_log(ql_log_warn, base_vha, 0xb06e,
5700 			    "Initialization TIMEOUT!\n");
5701 			/* Init timeout. Disable further NIC Core
5702 			 * communication.
5703 			 */
5704 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5705 				QLA8XXX_DEV_FAILED);
5706 			ql_log(ql_log_info, base_vha, 0xb06f,
5707 			    "HW State: FAILED.\n");
5708 		}
5709 
5710 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5711 		switch (dev_state) {
5712 		case QLA8XXX_DEV_READY:
5713 			if (ha->flags.nic_core_reset_owner)
5714 				qla83xx_idc_audit(base_vha,
5715 				    IDC_AUDIT_COMPLETION);
5716 			ha->flags.nic_core_reset_owner = 0;
5717 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
5718 			    "Reset_owner reset by 0x%x.\n",
5719 			    ha->portnum);
5720 			goto exit;
5721 		case QLA8XXX_DEV_COLD:
5722 			if (ha->flags.nic_core_reset_owner)
5723 				rval = qla83xx_device_bootstrap(base_vha);
5724 			else {
5725 			/* Wait for AEN to change device-state */
5726 				qla83xx_idc_unlock(base_vha, 0);
5727 				msleep(1000);
5728 				qla83xx_idc_lock(base_vha, 0);
5729 			}
5730 			break;
5731 		case QLA8XXX_DEV_INITIALIZING:
5732 			/* Wait for AEN to change device-state */
5733 			qla83xx_idc_unlock(base_vha, 0);
5734 			msleep(1000);
5735 			qla83xx_idc_lock(base_vha, 0);
5736 			break;
5737 		case QLA8XXX_DEV_NEED_RESET:
5738 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
5739 				qla83xx_need_reset_handler(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 			/* reset timeout value after need reset handler */
5747 			dev_init_timeout = jiffies +
5748 			    (ha->fcoe_dev_init_timeout * HZ);
5749 			break;
5750 		case QLA8XXX_DEV_NEED_QUIESCENT:
5751 			/* XXX: DEBUG for now */
5752 			qla83xx_idc_unlock(base_vha, 0);
5753 			msleep(1000);
5754 			qla83xx_idc_lock(base_vha, 0);
5755 			break;
5756 		case QLA8XXX_DEV_QUIESCENT:
5757 			/* XXX: DEBUG for now */
5758 			if (ha->flags.quiesce_owner)
5759 				goto exit;
5760 
5761 			qla83xx_idc_unlock(base_vha, 0);
5762 			msleep(1000);
5763 			qla83xx_idc_lock(base_vha, 0);
5764 			dev_init_timeout = jiffies +
5765 			    (ha->fcoe_dev_init_timeout * HZ);
5766 			break;
5767 		case QLA8XXX_DEV_FAILED:
5768 			if (ha->flags.nic_core_reset_owner)
5769 				qla83xx_idc_audit(base_vha,
5770 				    IDC_AUDIT_COMPLETION);
5771 			ha->flags.nic_core_reset_owner = 0;
5772 			__qla83xx_clear_drv_presence(base_vha);
5773 			qla83xx_idc_unlock(base_vha, 0);
5774 			qla8xxx_dev_failed_handler(base_vha);
5775 			rval = QLA_FUNCTION_FAILED;
5776 			qla83xx_idc_lock(base_vha, 0);
5777 			goto exit;
5778 		case QLA8XXX_BAD_VALUE:
5779 			qla83xx_idc_unlock(base_vha, 0);
5780 			msleep(1000);
5781 			qla83xx_idc_lock(base_vha, 0);
5782 			break;
5783 		default:
5784 			ql_log(ql_log_warn, base_vha, 0xb071,
5785 			    "Unknown Device State: %x.\n", dev_state);
5786 			qla83xx_idc_unlock(base_vha, 0);
5787 			qla8xxx_dev_failed_handler(base_vha);
5788 			rval = QLA_FUNCTION_FAILED;
5789 			qla83xx_idc_lock(base_vha, 0);
5790 			goto exit;
5791 		}
5792 	}
5793 
5794 exit:
5795 	return rval;
5796 }
5797 
5798 void
5799 qla2x00_disable_board_on_pci_error(struct work_struct *work)
5800 {
5801 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
5802 	    board_disable);
5803 	struct pci_dev *pdev = ha->pdev;
5804 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5805 
5806 	/*
5807 	 * if UNLOAD flag is already set, then continue unload,
5808 	 * where it was set first.
5809 	 */
5810 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
5811 		return;
5812 
5813 	ql_log(ql_log_warn, base_vha, 0x015b,
5814 	    "Disabling adapter.\n");
5815 
5816 	if (!atomic_read(&pdev->enable_cnt)) {
5817 		ql_log(ql_log_info, base_vha, 0xfffc,
5818 		    "PCI device disabled, no action req for PCI error=%lx\n",
5819 		    base_vha->pci_flags);
5820 		return;
5821 	}
5822 
5823 	qla2x00_wait_for_sess_deletion(base_vha);
5824 
5825 	set_bit(UNLOADING, &base_vha->dpc_flags);
5826 
5827 	qla2x00_delete_all_vps(ha, base_vha);
5828 
5829 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5830 
5831 	qla2x00_dfs_remove(base_vha);
5832 
5833 	qla84xx_put_chip(base_vha);
5834 
5835 	if (base_vha->timer_active)
5836 		qla2x00_stop_timer(base_vha);
5837 
5838 	base_vha->flags.online = 0;
5839 
5840 	qla2x00_destroy_deferred_work(ha);
5841 
5842 	/*
5843 	 * Do not try to stop beacon blink as it will issue a mailbox
5844 	 * command.
5845 	 */
5846 	qla2x00_free_sysfs_attr(base_vha, false);
5847 
5848 	fc_remove_host(base_vha->host);
5849 
5850 	scsi_remove_host(base_vha->host);
5851 
5852 	base_vha->flags.init_done = 0;
5853 	qla25xx_delete_queues(base_vha);
5854 	qla2x00_free_fcports(base_vha);
5855 	qla2x00_free_irqs(base_vha);
5856 	qla2x00_mem_free(ha);
5857 	qla82xx_md_free(base_vha);
5858 	qla2x00_free_queues(ha);
5859 
5860 	qla2x00_unmap_iobases(ha);
5861 
5862 	pci_release_selected_regions(ha->pdev, ha->bars);
5863 	pci_disable_pcie_error_reporting(pdev);
5864 	pci_disable_device(pdev);
5865 
5866 	/*
5867 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
5868 	 */
5869 }
5870 
5871 /**************************************************************************
5872 * qla2x00_do_dpc
5873 *   This kernel thread is a task that is schedule by the interrupt handler
5874 *   to perform the background processing for interrupts.
5875 *
5876 * Notes:
5877 * This task always run in the context of a kernel thread.  It
5878 * is kick-off by the driver's detect code and starts up
5879 * up one per adapter. It immediately goes to sleep and waits for
5880 * some fibre event.  When either the interrupt handler or
5881 * the timer routine detects a event it will one of the task
5882 * bits then wake us up.
5883 **************************************************************************/
5884 static int
5885 qla2x00_do_dpc(void *data)
5886 {
5887 	scsi_qla_host_t *base_vha;
5888 	struct qla_hw_data *ha;
5889 	uint32_t online;
5890 	struct qla_qpair *qpair;
5891 
5892 	ha = (struct qla_hw_data *)data;
5893 	base_vha = pci_get_drvdata(ha->pdev);
5894 
5895 	set_user_nice(current, MIN_NICE);
5896 
5897 	set_current_state(TASK_INTERRUPTIBLE);
5898 	while (!kthread_should_stop()) {
5899 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
5900 		    "DPC handler sleeping.\n");
5901 
5902 		schedule();
5903 
5904 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
5905 			goto end_loop;
5906 
5907 		if (ha->flags.eeh_busy) {
5908 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
5909 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
5910 			goto end_loop;
5911 		}
5912 
5913 		ha->dpc_active = 1;
5914 
5915 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
5916 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
5917 		    base_vha->dpc_flags);
5918 
5919 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
5920 			break;
5921 
5922 		if (IS_P3P_TYPE(ha)) {
5923 			if (IS_QLA8044(ha)) {
5924 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
5925 					&base_vha->dpc_flags)) {
5926 					qla8044_idc_lock(ha);
5927 					qla8044_wr_direct(base_vha,
5928 						QLA8044_CRB_DEV_STATE_INDEX,
5929 						QLA8XXX_DEV_FAILED);
5930 					qla8044_idc_unlock(ha);
5931 					ql_log(ql_log_info, base_vha, 0x4004,
5932 						"HW State: FAILED.\n");
5933 					qla8044_device_state_handler(base_vha);
5934 					continue;
5935 				}
5936 
5937 			} else {
5938 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
5939 					&base_vha->dpc_flags)) {
5940 					qla82xx_idc_lock(ha);
5941 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5942 						QLA8XXX_DEV_FAILED);
5943 					qla82xx_idc_unlock(ha);
5944 					ql_log(ql_log_info, base_vha, 0x0151,
5945 						"HW State: FAILED.\n");
5946 					qla82xx_device_state_handler(base_vha);
5947 					continue;
5948 				}
5949 			}
5950 
5951 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
5952 				&base_vha->dpc_flags)) {
5953 
5954 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
5955 				    "FCoE context reset scheduled.\n");
5956 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5957 					&base_vha->dpc_flags))) {
5958 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
5959 						/* FCoE-ctx reset failed.
5960 						 * Escalate to chip-reset
5961 						 */
5962 						set_bit(ISP_ABORT_NEEDED,
5963 							&base_vha->dpc_flags);
5964 					}
5965 					clear_bit(ABORT_ISP_ACTIVE,
5966 						&base_vha->dpc_flags);
5967 				}
5968 
5969 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
5970 				    "FCoE context reset end.\n");
5971 			}
5972 		} else if (IS_QLAFX00(ha)) {
5973 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
5974 				&base_vha->dpc_flags)) {
5975 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
5976 				    "Firmware Reset Recovery\n");
5977 				if (qlafx00_reset_initialize(base_vha)) {
5978 					/* Failed. Abort isp later. */
5979 					if (!test_bit(UNLOADING,
5980 					    &base_vha->dpc_flags)) {
5981 						set_bit(ISP_UNRECOVERABLE,
5982 						    &base_vha->dpc_flags);
5983 						ql_dbg(ql_dbg_dpc, base_vha,
5984 						    0x4021,
5985 						    "Reset Recovery Failed\n");
5986 					}
5987 				}
5988 			}
5989 
5990 			if (test_and_clear_bit(FX00_TARGET_SCAN,
5991 				&base_vha->dpc_flags)) {
5992 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
5993 				    "ISPFx00 Target Scan scheduled\n");
5994 				if (qlafx00_rescan_isp(base_vha)) {
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, 0x401e,
6000 					    "ISPFx00 Target Scan Failed\n");
6001 				}
6002 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6003 				    "ISPFx00 Target Scan End\n");
6004 			}
6005 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6006 				&base_vha->dpc_flags)) {
6007 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6008 				    "ISPFx00 Host Info resend scheduled\n");
6009 				qlafx00_fx_disc(base_vha,
6010 				    &base_vha->hw->mr.fcport,
6011 				    FXDISC_REG_HOST_INFO);
6012 			}
6013 		}
6014 
6015 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6016 			&base_vha->dpc_flags) &&
6017 		    !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
6018 			qla24xx_detect_sfp(base_vha);
6019 
6020 			if (ha->flags.detected_lr_sfp !=
6021 			    ha->flags.using_lr_setting)
6022 				set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
6023 		}
6024 
6025 		if (test_and_clear_bit(ISP_ABORT_NEEDED,
6026 						&base_vha->dpc_flags)) {
6027 
6028 			ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6029 			    "ISP abort scheduled.\n");
6030 			if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6031 			    &base_vha->dpc_flags))) {
6032 
6033 				if (ha->isp_ops->abort_isp(base_vha)) {
6034 					/* failed. retry later */
6035 					set_bit(ISP_ABORT_NEEDED,
6036 					    &base_vha->dpc_flags);
6037 				}
6038 				clear_bit(ABORT_ISP_ACTIVE,
6039 						&base_vha->dpc_flags);
6040 			}
6041 
6042 			ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6043 			    "ISP abort end.\n");
6044 		}
6045 
6046 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6047 		    &base_vha->dpc_flags)) {
6048 			qla2x00_update_fcports(base_vha);
6049 		}
6050 
6051 		if (IS_QLAFX00(ha))
6052 			goto loop_resync_check;
6053 
6054 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6055 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6056 			    "Quiescence mode scheduled.\n");
6057 			if (IS_P3P_TYPE(ha)) {
6058 				if (IS_QLA82XX(ha))
6059 					qla82xx_device_state_handler(base_vha);
6060 				if (IS_QLA8044(ha))
6061 					qla8044_device_state_handler(base_vha);
6062 				clear_bit(ISP_QUIESCE_NEEDED,
6063 				    &base_vha->dpc_flags);
6064 				if (!ha->flags.quiesce_owner) {
6065 					qla2x00_perform_loop_resync(base_vha);
6066 					if (IS_QLA82XX(ha)) {
6067 						qla82xx_idc_lock(ha);
6068 						qla82xx_clear_qsnt_ready(
6069 						    base_vha);
6070 						qla82xx_idc_unlock(ha);
6071 					} else if (IS_QLA8044(ha)) {
6072 						qla8044_idc_lock(ha);
6073 						qla8044_clear_qsnt_ready(
6074 						    base_vha);
6075 						qla8044_idc_unlock(ha);
6076 					}
6077 				}
6078 			} else {
6079 				clear_bit(ISP_QUIESCE_NEEDED,
6080 				    &base_vha->dpc_flags);
6081 				qla2x00_quiesce_io(base_vha);
6082 			}
6083 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6084 			    "Quiescence mode end.\n");
6085 		}
6086 
6087 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6088 				&base_vha->dpc_flags) &&
6089 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6090 
6091 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6092 			    "Reset marker scheduled.\n");
6093 			qla2x00_rst_aen(base_vha);
6094 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6095 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6096 			    "Reset marker end.\n");
6097 		}
6098 
6099 		/* Retry each device up to login retry count */
6100 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6101 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6102 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6103 
6104 			if (!base_vha->relogin_jif ||
6105 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6106 				base_vha->relogin_jif = jiffies + HZ;
6107 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6108 
6109 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6110 				    "Relogin scheduled.\n");
6111 				qla24xx_post_relogin_work(base_vha);
6112 			}
6113 		}
6114 loop_resync_check:
6115 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6116 		    &base_vha->dpc_flags)) {
6117 
6118 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6119 			    "Loop resync scheduled.\n");
6120 
6121 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6122 			    &base_vha->dpc_flags))) {
6123 
6124 				qla2x00_loop_resync(base_vha);
6125 
6126 				clear_bit(LOOP_RESYNC_ACTIVE,
6127 						&base_vha->dpc_flags);
6128 			}
6129 
6130 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6131 			    "Loop resync end.\n");
6132 		}
6133 
6134 		if (IS_QLAFX00(ha))
6135 			goto intr_on_check;
6136 
6137 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6138 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6139 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6140 			qla2xxx_flash_npiv_conf(base_vha);
6141 		}
6142 
6143 intr_on_check:
6144 		if (!ha->interrupts_on)
6145 			ha->isp_ops->enable_intrs(ha);
6146 
6147 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6148 					&base_vha->dpc_flags)) {
6149 			if (ha->beacon_blink_led == 1)
6150 				ha->isp_ops->beacon_blink(base_vha);
6151 		}
6152 
6153 		/* qpair online check */
6154 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6155 		    &base_vha->dpc_flags)) {
6156 			if (ha->flags.eeh_busy ||
6157 			    ha->flags.pci_channel_io_perm_failure)
6158 				online = 0;
6159 			else
6160 				online = 1;
6161 
6162 			mutex_lock(&ha->mq_lock);
6163 			list_for_each_entry(qpair, &base_vha->qp_list,
6164 			    qp_list_elem)
6165 			qpair->online = online;
6166 			mutex_unlock(&ha->mq_lock);
6167 		}
6168 
6169 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED, &base_vha->dpc_flags)) {
6170 			ql_log(ql_log_info, base_vha, 0xffffff,
6171 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
6172 						ha->nvme_last_rptd_aen);
6173 			if (qla27xx_set_zio_threshold(base_vha, ha->nvme_last_rptd_aen)) {
6174 				ql_log(ql_log_info, base_vha, 0xffffff,
6175 					"nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
6176 						ha->nvme_last_rptd_aen);
6177 			}
6178 		}
6179 
6180 		if (!IS_QLAFX00(ha))
6181 			qla2x00_do_dpc_all_vps(base_vha);
6182 
6183 		ha->dpc_active = 0;
6184 end_loop:
6185 		set_current_state(TASK_INTERRUPTIBLE);
6186 	} /* End of while(1) */
6187 	__set_current_state(TASK_RUNNING);
6188 
6189 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
6190 	    "DPC handler exiting.\n");
6191 
6192 	/*
6193 	 * Make sure that nobody tries to wake us up again.
6194 	 */
6195 	ha->dpc_active = 0;
6196 
6197 	/* Cleanup any residual CTX SRBs. */
6198 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6199 
6200 	return 0;
6201 }
6202 
6203 void
6204 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6205 {
6206 	struct qla_hw_data *ha = vha->hw;
6207 	struct task_struct *t = ha->dpc_thread;
6208 
6209 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6210 		wake_up_process(t);
6211 }
6212 
6213 /*
6214 *  qla2x00_rst_aen
6215 *      Processes asynchronous reset.
6216 *
6217 * Input:
6218 *      ha  = adapter block pointer.
6219 */
6220 static void
6221 qla2x00_rst_aen(scsi_qla_host_t *vha)
6222 {
6223 	if (vha->flags.online && !vha->flags.reset_active &&
6224 	    !atomic_read(&vha->loop_down_timer) &&
6225 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
6226 		do {
6227 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6228 
6229 			/*
6230 			 * Issue marker command only when we are going to start
6231 			 * the I/O.
6232 			 */
6233 			vha->marker_needed = 1;
6234 		} while (!atomic_read(&vha->loop_down_timer) &&
6235 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
6236 	}
6237 }
6238 
6239 /**************************************************************************
6240 *   qla2x00_timer
6241 *
6242 * Description:
6243 *   One second timer
6244 *
6245 * Context: Interrupt
6246 ***************************************************************************/
6247 void
6248 qla2x00_timer(struct timer_list *t)
6249 {
6250 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
6251 	unsigned long	cpu_flags = 0;
6252 	int		start_dpc = 0;
6253 	int		index;
6254 	srb_t		*sp;
6255 	uint16_t        w;
6256 	struct qla_hw_data *ha = vha->hw;
6257 	struct req_que *req;
6258 
6259 	if (ha->flags.eeh_busy) {
6260 		ql_dbg(ql_dbg_timer, vha, 0x6000,
6261 		    "EEH = %d, restarting timer.\n",
6262 		    ha->flags.eeh_busy);
6263 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
6264 		return;
6265 	}
6266 
6267 	/*
6268 	 * Hardware read to raise pending EEH errors during mailbox waits. If
6269 	 * the read returns -1 then disable the board.
6270 	 */
6271 	if (!pci_channel_offline(ha->pdev)) {
6272 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
6273 		qla2x00_check_reg16_for_disconnect(vha, w);
6274 	}
6275 
6276 	/* Make sure qla82xx_watchdog is run only for physical port */
6277 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
6278 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
6279 			start_dpc++;
6280 		if (IS_QLA82XX(ha))
6281 			qla82xx_watchdog(vha);
6282 		else if (IS_QLA8044(ha))
6283 			qla8044_watchdog(vha);
6284 	}
6285 
6286 	if (!vha->vp_idx && IS_QLAFX00(ha))
6287 		qlafx00_timer_routine(vha);
6288 
6289 	/* Loop down handler. */
6290 	if (atomic_read(&vha->loop_down_timer) > 0 &&
6291 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
6292 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
6293 		&& vha->flags.online) {
6294 
6295 		if (atomic_read(&vha->loop_down_timer) ==
6296 		    vha->loop_down_abort_time) {
6297 
6298 			ql_log(ql_log_info, vha, 0x6008,
6299 			    "Loop down - aborting the queues before time expires.\n");
6300 
6301 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
6302 				atomic_set(&vha->loop_state, LOOP_DEAD);
6303 
6304 			/*
6305 			 * Schedule an ISP abort to return any FCP2-device
6306 			 * commands.
6307 			 */
6308 			/* NPIV - scan physical port only */
6309 			if (!vha->vp_idx) {
6310 				spin_lock_irqsave(&ha->hardware_lock,
6311 				    cpu_flags);
6312 				req = ha->req_q_map[0];
6313 				for (index = 1;
6314 				    index < req->num_outstanding_cmds;
6315 				    index++) {
6316 					fc_port_t *sfcp;
6317 
6318 					sp = req->outstanding_cmds[index];
6319 					if (!sp)
6320 						continue;
6321 					if (sp->cmd_type != TYPE_SRB)
6322 						continue;
6323 					if (sp->type != SRB_SCSI_CMD)
6324 						continue;
6325 					sfcp = sp->fcport;
6326 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
6327 						continue;
6328 
6329 					if (IS_QLA82XX(ha))
6330 						set_bit(FCOE_CTX_RESET_NEEDED,
6331 							&vha->dpc_flags);
6332 					else
6333 						set_bit(ISP_ABORT_NEEDED,
6334 							&vha->dpc_flags);
6335 					break;
6336 				}
6337 				spin_unlock_irqrestore(&ha->hardware_lock,
6338 								cpu_flags);
6339 			}
6340 			start_dpc++;
6341 		}
6342 
6343 		/* if the loop has been down for 4 minutes, reinit adapter */
6344 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
6345 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
6346 				ql_log(ql_log_warn, vha, 0x6009,
6347 				    "Loop down - aborting ISP.\n");
6348 
6349 				if (IS_QLA82XX(ha))
6350 					set_bit(FCOE_CTX_RESET_NEEDED,
6351 						&vha->dpc_flags);
6352 				else
6353 					set_bit(ISP_ABORT_NEEDED,
6354 						&vha->dpc_flags);
6355 			}
6356 		}
6357 		ql_dbg(ql_dbg_timer, vha, 0x600a,
6358 		    "Loop down - seconds remaining %d.\n",
6359 		    atomic_read(&vha->loop_down_timer));
6360 	}
6361 	/* Check if beacon LED needs to be blinked for physical host only */
6362 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
6363 		/* There is no beacon_blink function for ISP82xx */
6364 		if (!IS_P3P_TYPE(ha)) {
6365 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
6366 			start_dpc++;
6367 		}
6368 	}
6369 
6370 	/* Process any deferred work. */
6371 	if (!list_empty(&vha->work_list)) {
6372 		unsigned long flags;
6373 		bool q = false;
6374 
6375 		spin_lock_irqsave(&vha->work_lock, flags);
6376 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
6377 			q = true;
6378 		spin_unlock_irqrestore(&vha->work_lock, flags);
6379 		if (q)
6380 			queue_work(vha->hw->wq, &vha->iocb_work);
6381 	}
6382 
6383 	/*
6384 	 * FC-NVME
6385 	 * see if the active AEN count has changed from what was last reported.
6386 	 */
6387 	if (!vha->vp_idx &&
6388 		atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen &&
6389 		ha->zio_mode == QLA_ZIO_MODE_6) {
6390 		ql_log(ql_log_info, vha, 0x3002,
6391 			"nvme: Sched: Set ZIO exchange threshold to %d.\n",
6392 			ha->nvme_last_rptd_aen);
6393 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
6394 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
6395 		start_dpc++;
6396 	}
6397 
6398 	/* Schedule the DPC routine if needed */
6399 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
6400 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
6401 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
6402 	    start_dpc ||
6403 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
6404 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
6405 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
6406 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
6407 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
6408 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
6409 		ql_dbg(ql_dbg_timer, vha, 0x600b,
6410 		    "isp_abort_needed=%d loop_resync_needed=%d "
6411 		    "fcport_update_needed=%d start_dpc=%d "
6412 		    "reset_marker_needed=%d",
6413 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
6414 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
6415 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
6416 		    start_dpc,
6417 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
6418 		ql_dbg(ql_dbg_timer, vha, 0x600c,
6419 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
6420 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
6421 		    "relogin_needed=%d.\n",
6422 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
6423 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
6424 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
6425 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
6426 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
6427 		qla2xxx_wake_dpc(vha);
6428 	}
6429 
6430 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
6431 }
6432 
6433 /* Firmware interface routines. */
6434 
6435 #define FW_BLOBS	11
6436 #define FW_ISP21XX	0
6437 #define FW_ISP22XX	1
6438 #define FW_ISP2300	2
6439 #define FW_ISP2322	3
6440 #define FW_ISP24XX	4
6441 #define FW_ISP25XX	5
6442 #define FW_ISP81XX	6
6443 #define FW_ISP82XX	7
6444 #define FW_ISP2031	8
6445 #define FW_ISP8031	9
6446 #define FW_ISP27XX	10
6447 
6448 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
6449 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
6450 #define FW_FILE_ISP2300	"ql2300_fw.bin"
6451 #define FW_FILE_ISP2322	"ql2322_fw.bin"
6452 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
6453 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
6454 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
6455 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
6456 #define FW_FILE_ISP2031	"ql2600_fw.bin"
6457 #define FW_FILE_ISP8031	"ql8300_fw.bin"
6458 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
6459 
6460 
6461 static DEFINE_MUTEX(qla_fw_lock);
6462 
6463 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
6464 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
6465 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
6466 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
6467 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
6468 	{ .name = FW_FILE_ISP24XX, },
6469 	{ .name = FW_FILE_ISP25XX, },
6470 	{ .name = FW_FILE_ISP81XX, },
6471 	{ .name = FW_FILE_ISP82XX, },
6472 	{ .name = FW_FILE_ISP2031, },
6473 	{ .name = FW_FILE_ISP8031, },
6474 	{ .name = FW_FILE_ISP27XX, },
6475 };
6476 
6477 struct fw_blob *
6478 qla2x00_request_firmware(scsi_qla_host_t *vha)
6479 {
6480 	struct qla_hw_data *ha = vha->hw;
6481 	struct fw_blob *blob;
6482 
6483 	if (IS_QLA2100(ha)) {
6484 		blob = &qla_fw_blobs[FW_ISP21XX];
6485 	} else if (IS_QLA2200(ha)) {
6486 		blob = &qla_fw_blobs[FW_ISP22XX];
6487 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
6488 		blob = &qla_fw_blobs[FW_ISP2300];
6489 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
6490 		blob = &qla_fw_blobs[FW_ISP2322];
6491 	} else if (IS_QLA24XX_TYPE(ha)) {
6492 		blob = &qla_fw_blobs[FW_ISP24XX];
6493 	} else if (IS_QLA25XX(ha)) {
6494 		blob = &qla_fw_blobs[FW_ISP25XX];
6495 	} else if (IS_QLA81XX(ha)) {
6496 		blob = &qla_fw_blobs[FW_ISP81XX];
6497 	} else if (IS_QLA82XX(ha)) {
6498 		blob = &qla_fw_blobs[FW_ISP82XX];
6499 	} else if (IS_QLA2031(ha)) {
6500 		blob = &qla_fw_blobs[FW_ISP2031];
6501 	} else if (IS_QLA8031(ha)) {
6502 		blob = &qla_fw_blobs[FW_ISP8031];
6503 	} else if (IS_QLA27XX(ha)) {
6504 		blob = &qla_fw_blobs[FW_ISP27XX];
6505 	} else {
6506 		return NULL;
6507 	}
6508 
6509 	mutex_lock(&qla_fw_lock);
6510 	if (blob->fw)
6511 		goto out;
6512 
6513 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
6514 		ql_log(ql_log_warn, vha, 0x0063,
6515 		    "Failed to load firmware image (%s).\n", blob->name);
6516 		blob->fw = NULL;
6517 		blob = NULL;
6518 		goto out;
6519 	}
6520 
6521 out:
6522 	mutex_unlock(&qla_fw_lock);
6523 	return blob;
6524 }
6525 
6526 static void
6527 qla2x00_release_firmware(void)
6528 {
6529 	int idx;
6530 
6531 	mutex_lock(&qla_fw_lock);
6532 	for (idx = 0; idx < FW_BLOBS; idx++)
6533 		release_firmware(qla_fw_blobs[idx].fw);
6534 	mutex_unlock(&qla_fw_lock);
6535 }
6536 
6537 static pci_ers_result_t
6538 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
6539 {
6540 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
6541 	struct qla_hw_data *ha = vha->hw;
6542 
6543 	ql_dbg(ql_dbg_aer, vha, 0x9000,
6544 	    "PCI error detected, state %x.\n", state);
6545 
6546 	if (!atomic_read(&pdev->enable_cnt)) {
6547 		ql_log(ql_log_info, vha, 0xffff,
6548 			"PCI device is disabled,state %x\n", state);
6549 		return PCI_ERS_RESULT_NEED_RESET;
6550 	}
6551 
6552 	switch (state) {
6553 	case pci_channel_io_normal:
6554 		ha->flags.eeh_busy = 0;
6555 		if (ql2xmqsupport || ql2xnvmeenable) {
6556 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6557 			qla2xxx_wake_dpc(vha);
6558 		}
6559 		return PCI_ERS_RESULT_CAN_RECOVER;
6560 	case pci_channel_io_frozen:
6561 		ha->flags.eeh_busy = 1;
6562 		/* For ISP82XX complete any pending mailbox cmd */
6563 		if (IS_QLA82XX(ha)) {
6564 			ha->flags.isp82xx_fw_hung = 1;
6565 			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
6566 			qla82xx_clear_pending_mbx(vha);
6567 		}
6568 		qla2x00_free_irqs(vha);
6569 		pci_disable_device(pdev);
6570 		/* Return back all IOs */
6571 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6572 		if (ql2xmqsupport || ql2xnvmeenable) {
6573 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6574 			qla2xxx_wake_dpc(vha);
6575 		}
6576 		return PCI_ERS_RESULT_NEED_RESET;
6577 	case pci_channel_io_perm_failure:
6578 		ha->flags.pci_channel_io_perm_failure = 1;
6579 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
6580 		if (ql2xmqsupport || ql2xnvmeenable) {
6581 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6582 			qla2xxx_wake_dpc(vha);
6583 		}
6584 		return PCI_ERS_RESULT_DISCONNECT;
6585 	}
6586 	return PCI_ERS_RESULT_NEED_RESET;
6587 }
6588 
6589 static pci_ers_result_t
6590 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
6591 {
6592 	int risc_paused = 0;
6593 	uint32_t stat;
6594 	unsigned long flags;
6595 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6596 	struct qla_hw_data *ha = base_vha->hw;
6597 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6598 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
6599 
6600 	if (IS_QLA82XX(ha))
6601 		return PCI_ERS_RESULT_RECOVERED;
6602 
6603 	spin_lock_irqsave(&ha->hardware_lock, flags);
6604 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
6605 		stat = RD_REG_DWORD(&reg->hccr);
6606 		if (stat & HCCR_RISC_PAUSE)
6607 			risc_paused = 1;
6608 	} else if (IS_QLA23XX(ha)) {
6609 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
6610 		if (stat & HSR_RISC_PAUSED)
6611 			risc_paused = 1;
6612 	} else if (IS_FWI2_CAPABLE(ha)) {
6613 		stat = RD_REG_DWORD(&reg24->host_status);
6614 		if (stat & HSRX_RISC_PAUSED)
6615 			risc_paused = 1;
6616 	}
6617 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
6618 
6619 	if (risc_paused) {
6620 		ql_log(ql_log_info, base_vha, 0x9003,
6621 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
6622 		ha->isp_ops->fw_dump(base_vha, 0);
6623 
6624 		return PCI_ERS_RESULT_NEED_RESET;
6625 	} else
6626 		return PCI_ERS_RESULT_RECOVERED;
6627 }
6628 
6629 static uint32_t
6630 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
6631 {
6632 	uint32_t rval = QLA_FUNCTION_FAILED;
6633 	uint32_t drv_active = 0;
6634 	struct qla_hw_data *ha = base_vha->hw;
6635 	int fn;
6636 	struct pci_dev *other_pdev = NULL;
6637 
6638 	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
6639 	    "Entered %s.\n", __func__);
6640 
6641 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6642 
6643 	if (base_vha->flags.online) {
6644 		/* Abort all outstanding commands,
6645 		 * so as to be requeued later */
6646 		qla2x00_abort_isp_cleanup(base_vha);
6647 	}
6648 
6649 
6650 	fn = PCI_FUNC(ha->pdev->devfn);
6651 	while (fn > 0) {
6652 		fn--;
6653 		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
6654 		    "Finding pci device at function = 0x%x.\n", fn);
6655 		other_pdev =
6656 		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
6657 		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
6658 		    fn));
6659 
6660 		if (!other_pdev)
6661 			continue;
6662 		if (atomic_read(&other_pdev->enable_cnt)) {
6663 			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
6664 			    "Found PCI func available and enable at 0x%x.\n",
6665 			    fn);
6666 			pci_dev_put(other_pdev);
6667 			break;
6668 		}
6669 		pci_dev_put(other_pdev);
6670 	}
6671 
6672 	if (!fn) {
6673 		/* Reset owner */
6674 		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
6675 		    "This devfn is reset owner = 0x%x.\n",
6676 		    ha->pdev->devfn);
6677 		qla82xx_idc_lock(ha);
6678 
6679 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6680 		    QLA8XXX_DEV_INITIALIZING);
6681 
6682 		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
6683 		    QLA82XX_IDC_VERSION);
6684 
6685 		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6686 		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
6687 		    "drv_active = 0x%x.\n", drv_active);
6688 
6689 		qla82xx_idc_unlock(ha);
6690 		/* Reset if device is not already reset
6691 		 * drv_active would be 0 if a reset has already been done
6692 		 */
6693 		if (drv_active)
6694 			rval = qla82xx_start_firmware(base_vha);
6695 		else
6696 			rval = QLA_SUCCESS;
6697 		qla82xx_idc_lock(ha);
6698 
6699 		if (rval != QLA_SUCCESS) {
6700 			ql_log(ql_log_info, base_vha, 0x900b,
6701 			    "HW State: FAILED.\n");
6702 			qla82xx_clear_drv_active(ha);
6703 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6704 			    QLA8XXX_DEV_FAILED);
6705 		} else {
6706 			ql_log(ql_log_info, base_vha, 0x900c,
6707 			    "HW State: READY.\n");
6708 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6709 			    QLA8XXX_DEV_READY);
6710 			qla82xx_idc_unlock(ha);
6711 			ha->flags.isp82xx_fw_hung = 0;
6712 			rval = qla82xx_restart_isp(base_vha);
6713 			qla82xx_idc_lock(ha);
6714 			/* Clear driver state register */
6715 			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
6716 			qla82xx_set_drv_active(base_vha);
6717 		}
6718 		qla82xx_idc_unlock(ha);
6719 	} else {
6720 		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
6721 		    "This devfn is not reset owner = 0x%x.\n",
6722 		    ha->pdev->devfn);
6723 		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6724 		    QLA8XXX_DEV_READY)) {
6725 			ha->flags.isp82xx_fw_hung = 0;
6726 			rval = qla82xx_restart_isp(base_vha);
6727 			qla82xx_idc_lock(ha);
6728 			qla82xx_set_drv_active(base_vha);
6729 			qla82xx_idc_unlock(ha);
6730 		}
6731 	}
6732 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6733 
6734 	return rval;
6735 }
6736 
6737 static pci_ers_result_t
6738 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
6739 {
6740 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6741 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6742 	struct qla_hw_data *ha = base_vha->hw;
6743 	struct rsp_que *rsp;
6744 	int rc, retries = 10;
6745 
6746 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
6747 	    "Slot Reset.\n");
6748 
6749 	/* Workaround: qla2xxx driver which access hardware earlier
6750 	 * needs error state to be pci_channel_io_online.
6751 	 * Otherwise mailbox command timesout.
6752 	 */
6753 	pdev->error_state = pci_channel_io_normal;
6754 
6755 	pci_restore_state(pdev);
6756 
6757 	/* pci_restore_state() clears the saved_state flag of the device
6758 	 * save restored state which resets saved_state flag
6759 	 */
6760 	pci_save_state(pdev);
6761 
6762 	if (ha->mem_only)
6763 		rc = pci_enable_device_mem(pdev);
6764 	else
6765 		rc = pci_enable_device(pdev);
6766 
6767 	if (rc) {
6768 		ql_log(ql_log_warn, base_vha, 0x9005,
6769 		    "Can't re-enable PCI device after reset.\n");
6770 		goto exit_slot_reset;
6771 	}
6772 
6773 	rsp = ha->rsp_q_map[0];
6774 	if (qla2x00_request_irqs(ha, rsp))
6775 		goto exit_slot_reset;
6776 
6777 	if (ha->isp_ops->pci_config(base_vha))
6778 		goto exit_slot_reset;
6779 
6780 	if (IS_QLA82XX(ha)) {
6781 		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
6782 			ret = PCI_ERS_RESULT_RECOVERED;
6783 			goto exit_slot_reset;
6784 		} else
6785 			goto exit_slot_reset;
6786 	}
6787 
6788 	while (ha->flags.mbox_busy && retries--)
6789 		msleep(1000);
6790 
6791 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6792 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6793 		ret =  PCI_ERS_RESULT_RECOVERED;
6794 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6795 
6796 
6797 exit_slot_reset:
6798 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
6799 	    "slot_reset return %x.\n", ret);
6800 
6801 	return ret;
6802 }
6803 
6804 static void
6805 qla2xxx_pci_resume(struct pci_dev *pdev)
6806 {
6807 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6808 	struct qla_hw_data *ha = base_vha->hw;
6809 	int ret;
6810 
6811 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
6812 	    "pci_resume.\n");
6813 
6814 	ret = qla2x00_wait_for_hba_online(base_vha);
6815 	if (ret != QLA_SUCCESS) {
6816 		ql_log(ql_log_fatal, base_vha, 0x9002,
6817 		    "The device failed to resume I/O from slot/link_reset.\n");
6818 	}
6819 
6820 	pci_cleanup_aer_uncorrect_error_status(pdev);
6821 
6822 	ha->flags.eeh_busy = 0;
6823 }
6824 
6825 static int qla2xxx_map_queues(struct Scsi_Host *shost)
6826 {
6827 	int rc;
6828 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
6829 
6830 	if (USER_CTRL_IRQ(vha->hw))
6831 		rc = blk_mq_map_queues(&shost->tag_set);
6832 	else
6833 		rc = blk_mq_pci_map_queues(&shost->tag_set, vha->hw->pdev);
6834 	return rc;
6835 }
6836 
6837 static const struct pci_error_handlers qla2xxx_err_handler = {
6838 	.error_detected = qla2xxx_pci_error_detected,
6839 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
6840 	.slot_reset = qla2xxx_pci_slot_reset,
6841 	.resume = qla2xxx_pci_resume,
6842 };
6843 
6844 static struct pci_device_id qla2xxx_pci_tbl[] = {
6845 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
6846 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
6847 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
6848 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
6849 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
6850 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
6851 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
6852 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
6853 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
6854 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6855 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
6856 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6857 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6858 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6859 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6860 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6861 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6862 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6863 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6864 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6865 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6866 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6867 	{ 0 },
6868 };
6869 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
6870 
6871 static struct pci_driver qla2xxx_pci_driver = {
6872 	.name		= QLA2XXX_DRIVER_NAME,
6873 	.driver		= {
6874 		.owner		= THIS_MODULE,
6875 	},
6876 	.id_table	= qla2xxx_pci_tbl,
6877 	.probe		= qla2x00_probe_one,
6878 	.remove		= qla2x00_remove_one,
6879 	.shutdown	= qla2x00_shutdown,
6880 	.err_handler	= &qla2xxx_err_handler,
6881 };
6882 
6883 static const struct file_operations apidev_fops = {
6884 	.owner = THIS_MODULE,
6885 	.llseek = noop_llseek,
6886 };
6887 
6888 /**
6889  * qla2x00_module_init - Module initialization.
6890  **/
6891 static int __init
6892 qla2x00_module_init(void)
6893 {
6894 	int ret = 0;
6895 
6896 	/* Allocate cache for SRBs. */
6897 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6898 	    SLAB_HWCACHE_ALIGN, NULL);
6899 	if (srb_cachep == NULL) {
6900 		ql_log(ql_log_fatal, NULL, 0x0001,
6901 		    "Unable to allocate SRB cache...Failing load!.\n");
6902 		return -ENOMEM;
6903 	}
6904 
6905 	/* Initialize target kmem_cache and mem_pools */
6906 	ret = qlt_init();
6907 	if (ret < 0) {
6908 		kmem_cache_destroy(srb_cachep);
6909 		return ret;
6910 	} else if (ret > 0) {
6911 		/*
6912 		 * If initiator mode is explictly disabled by qlt_init(),
6913 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
6914 		 * performing scsi_scan_target() during LOOP UP event.
6915 		 */
6916 		qla2xxx_transport_functions.disable_target_scan = 1;
6917 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
6918 	}
6919 
6920 	/* Derive version string. */
6921 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6922 	if (ql2xextended_error_logging)
6923 		strcat(qla2x00_version_str, "-debug");
6924 	if (ql2xextended_error_logging == 1)
6925 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
6926 
6927 	qla2xxx_transport_template =
6928 	    fc_attach_transport(&qla2xxx_transport_functions);
6929 	if (!qla2xxx_transport_template) {
6930 		kmem_cache_destroy(srb_cachep);
6931 		ql_log(ql_log_fatal, NULL, 0x0002,
6932 		    "fc_attach_transport failed...Failing load!.\n");
6933 		qlt_exit();
6934 		return -ENODEV;
6935 	}
6936 
6937 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
6938 	if (apidev_major < 0) {
6939 		ql_log(ql_log_fatal, NULL, 0x0003,
6940 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6941 	}
6942 
6943 	qla2xxx_transport_vport_template =
6944 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
6945 	if (!qla2xxx_transport_vport_template) {
6946 		kmem_cache_destroy(srb_cachep);
6947 		qlt_exit();
6948 		fc_release_transport(qla2xxx_transport_template);
6949 		ql_log(ql_log_fatal, NULL, 0x0004,
6950 		    "fc_attach_transport vport failed...Failing load!.\n");
6951 		return -ENODEV;
6952 	}
6953 	ql_log(ql_log_info, NULL, 0x0005,
6954 	    "QLogic Fibre Channel HBA Driver: %s.\n",
6955 	    qla2x00_version_str);
6956 	ret = pci_register_driver(&qla2xxx_pci_driver);
6957 	if (ret) {
6958 		kmem_cache_destroy(srb_cachep);
6959 		qlt_exit();
6960 		fc_release_transport(qla2xxx_transport_template);
6961 		fc_release_transport(qla2xxx_transport_vport_template);
6962 		ql_log(ql_log_fatal, NULL, 0x0006,
6963 		    "pci_register_driver failed...ret=%d Failing load!.\n",
6964 		    ret);
6965 	}
6966 	return ret;
6967 }
6968 
6969 /**
6970  * qla2x00_module_exit - Module cleanup.
6971  **/
6972 static void __exit
6973 qla2x00_module_exit(void)
6974 {
6975 	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6976 	pci_unregister_driver(&qla2xxx_pci_driver);
6977 	qla2x00_release_firmware();
6978 	kmem_cache_destroy(srb_cachep);
6979 	qlt_exit();
6980 	if (ctx_cachep)
6981 		kmem_cache_destroy(ctx_cachep);
6982 	fc_release_transport(qla2xxx_transport_template);
6983 	fc_release_transport(qla2xxx_transport_vport_template);
6984 }
6985 
6986 module_init(qla2x00_module_init);
6987 module_exit(qla2x00_module_exit);
6988 
6989 MODULE_AUTHOR("QLogic Corporation");
6990 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
6991 MODULE_LICENSE("GPL");
6992 MODULE_VERSION(QLA2XXX_VERSION);
6993 MODULE_FIRMWARE(FW_FILE_ISP21XX);
6994 MODULE_FIRMWARE(FW_FILE_ISP22XX);
6995 MODULE_FIRMWARE(FW_FILE_ISP2300);
6996 MODULE_FIRMWARE(FW_FILE_ISP2322);
6997 MODULE_FIRMWARE(FW_FILE_ISP24XX);
6998 MODULE_FIRMWARE(FW_FILE_ISP25XX);
6999