xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision a44d924c)
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8 
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16 #include <linux/blk-mq-pci.h>
17 #include <linux/refcount.h>
18 
19 #include <scsi/scsi_tcq.h>
20 #include <scsi/scsicam.h>
21 #include <scsi/scsi_transport.h>
22 #include <scsi/scsi_transport_fc.h>
23 
24 #include "qla_target.h"
25 
26 /*
27  * Driver version
28  */
29 char qla2x00_version_str[40];
30 
31 static int apidev_major;
32 
33 /*
34  * SRB allocation cache
35  */
36 struct kmem_cache *srb_cachep;
37 
38 /*
39  * CT6 CTX allocation cache
40  */
41 static struct kmem_cache *ctx_cachep;
42 /*
43  * error level for logging
44  */
45 int ql_errlev = ql_log_all;
46 
47 static int ql2xenableclass2;
48 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
49 MODULE_PARM_DESC(ql2xenableclass2,
50 		"Specify if Class 2 operations are supported from the very "
51 		"beginning. Default is 0 - class 2 not supported.");
52 
53 
54 int ql2xlogintimeout = 20;
55 module_param(ql2xlogintimeout, int, S_IRUGO);
56 MODULE_PARM_DESC(ql2xlogintimeout,
57 		"Login timeout value in seconds.");
58 
59 int qlport_down_retry;
60 module_param(qlport_down_retry, int, S_IRUGO);
61 MODULE_PARM_DESC(qlport_down_retry,
62 		"Maximum number of command retries to a port that returns "
63 		"a PORT-DOWN status.");
64 
65 int ql2xplogiabsentdevice;
66 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
67 MODULE_PARM_DESC(ql2xplogiabsentdevice,
68 		"Option to enable PLOGI to devices that are not present after "
69 		"a Fabric scan.  This is needed for several broken switches. "
70 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
71 
72 int ql2xloginretrycount = 0;
73 module_param(ql2xloginretrycount, int, S_IRUGO);
74 MODULE_PARM_DESC(ql2xloginretrycount,
75 		"Specify an alternate value for the NVRAM login retry count.");
76 
77 int ql2xallocfwdump = 1;
78 module_param(ql2xallocfwdump, int, S_IRUGO);
79 MODULE_PARM_DESC(ql2xallocfwdump,
80 		"Option to enable allocation of memory for a firmware dump "
81 		"during HBA initialization.  Memory allocation requirements "
82 		"vary by ISP type.  Default is 1 - allocate memory.");
83 
84 int ql2xextended_error_logging;
85 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
86 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
87 MODULE_PARM_DESC(ql2xextended_error_logging,
88 		"Option to enable extended error logging,\n"
89 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
90 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
91 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
92 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
93 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
94 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
95 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
96 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
97 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
98 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
99 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
100 		"\t\t0x1e400000 - Preferred value for capturing essential "
101 		"debug information (equivalent to old "
102 		"ql2xextended_error_logging=1).\n"
103 		"\t\tDo LOGICAL OR of the value to enable more than one level");
104 
105 int ql2xshiftctondsd = 6;
106 module_param(ql2xshiftctondsd, int, S_IRUGO);
107 MODULE_PARM_DESC(ql2xshiftctondsd,
108 		"Set to control shifting of command type processing "
109 		"based on total number of SG elements.");
110 
111 int ql2xfdmienable=1;
112 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
113 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
114 MODULE_PARM_DESC(ql2xfdmienable,
115 		"Enables FDMI registrations. "
116 		"0 - no FDMI. Default is 1 - perform FDMI.");
117 
118 #define MAX_Q_DEPTH	64
119 static int ql2xmaxqdepth = MAX_Q_DEPTH;
120 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
121 MODULE_PARM_DESC(ql2xmaxqdepth,
122 		"Maximum queue depth to set for each LUN. "
123 		"Default is 64.");
124 
125 #if (IS_ENABLED(CONFIG_NVME_FC))
126 int ql2xenabledif;
127 #else
128 int ql2xenabledif = 2;
129 #endif
130 module_param(ql2xenabledif, int, S_IRUGO);
131 MODULE_PARM_DESC(ql2xenabledif,
132 		" Enable T10-CRC-DIF:\n"
133 		" Default is 2.\n"
134 		"  0 -- No DIF Support\n"
135 		"  1 -- Enable DIF for all types\n"
136 		"  2 -- Enable DIF for all types, except Type 0.\n");
137 
138 #if (IS_ENABLED(CONFIG_NVME_FC))
139 int ql2xnvmeenable = 1;
140 #else
141 int ql2xnvmeenable;
142 #endif
143 module_param(ql2xnvmeenable, int, 0644);
144 MODULE_PARM_DESC(ql2xnvmeenable,
145     "Enables NVME support. "
146     "0 - no NVMe.  Default is Y");
147 
148 int ql2xenablehba_err_chk = 2;
149 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
150 MODULE_PARM_DESC(ql2xenablehba_err_chk,
151 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
152 		" Default is 2.\n"
153 		"  0 -- Error isolation disabled\n"
154 		"  1 -- Error isolation enabled only for DIX Type 0\n"
155 		"  2 -- Error isolation enabled for all Types\n");
156 
157 int ql2xiidmaenable=1;
158 module_param(ql2xiidmaenable, int, S_IRUGO);
159 MODULE_PARM_DESC(ql2xiidmaenable,
160 		"Enables iIDMA settings "
161 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
162 
163 int ql2xmqsupport = 1;
164 module_param(ql2xmqsupport, int, S_IRUGO);
165 MODULE_PARM_DESC(ql2xmqsupport,
166 		"Enable on demand multiple queue pairs support "
167 		"Default is 1 for supported. "
168 		"Set it to 0 to turn off mq qpair support.");
169 
170 int ql2xfwloadbin;
171 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
172 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
173 MODULE_PARM_DESC(ql2xfwloadbin,
174 		"Option to specify location from which to load ISP firmware:.\n"
175 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
176 		"      interface.\n"
177 		" 1 -- load firmware from flash.\n"
178 		" 0 -- use default semantics.\n");
179 
180 int ql2xetsenable;
181 module_param(ql2xetsenable, int, S_IRUGO);
182 MODULE_PARM_DESC(ql2xetsenable,
183 		"Enables firmware ETS burst."
184 		"Default is 0 - skip ETS enablement.");
185 
186 int ql2xdbwr = 1;
187 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
188 MODULE_PARM_DESC(ql2xdbwr,
189 		"Option to specify scheme for request queue posting.\n"
190 		" 0 -- Regular doorbell.\n"
191 		" 1 -- CAMRAM doorbell (faster).\n");
192 
193 int ql2xtargetreset = 1;
194 module_param(ql2xtargetreset, int, S_IRUGO);
195 MODULE_PARM_DESC(ql2xtargetreset,
196 		 "Enable target reset."
197 		 "Default is 1 - use hw defaults.");
198 
199 int ql2xgffidenable;
200 module_param(ql2xgffidenable, int, S_IRUGO);
201 MODULE_PARM_DESC(ql2xgffidenable,
202 		"Enables GFF_ID checks of port type. "
203 		"Default is 0 - Do not use GFF_ID information.");
204 
205 int ql2xasynctmfenable = 1;
206 module_param(ql2xasynctmfenable, int, S_IRUGO);
207 MODULE_PARM_DESC(ql2xasynctmfenable,
208 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
209 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
210 
211 int ql2xdontresethba;
212 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
213 MODULE_PARM_DESC(ql2xdontresethba,
214 		"Option to specify reset behaviour.\n"
215 		" 0 (Default) -- Reset on failure.\n"
216 		" 1 -- Do not reset on failure.\n");
217 
218 uint64_t ql2xmaxlun = MAX_LUNS;
219 module_param(ql2xmaxlun, ullong, S_IRUGO);
220 MODULE_PARM_DESC(ql2xmaxlun,
221 		"Defines the maximum LU number to register with the SCSI "
222 		"midlayer. Default is 65535.");
223 
224 int ql2xmdcapmask = 0x1F;
225 module_param(ql2xmdcapmask, int, S_IRUGO);
226 MODULE_PARM_DESC(ql2xmdcapmask,
227 		"Set the Minidump driver capture mask level. "
228 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
229 
230 int ql2xmdenable = 1;
231 module_param(ql2xmdenable, int, S_IRUGO);
232 MODULE_PARM_DESC(ql2xmdenable,
233 		"Enable/disable MiniDump. "
234 		"0 - MiniDump disabled. "
235 		"1 (Default) - MiniDump enabled.");
236 
237 int ql2xexlogins = 0;
238 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
239 MODULE_PARM_DESC(ql2xexlogins,
240 		 "Number of extended Logins. "
241 		 "0 (Default)- Disabled.");
242 
243 int ql2xexchoffld = 1024;
244 module_param(ql2xexchoffld, uint, 0644);
245 MODULE_PARM_DESC(ql2xexchoffld,
246 	"Number of target exchanges.");
247 
248 int ql2xiniexchg = 1024;
249 module_param(ql2xiniexchg, uint, 0644);
250 MODULE_PARM_DESC(ql2xiniexchg,
251 	"Number of initiator exchanges.");
252 
253 int ql2xfwholdabts = 0;
254 module_param(ql2xfwholdabts, int, S_IRUGO);
255 MODULE_PARM_DESC(ql2xfwholdabts,
256 		"Allow FW to hold status IOCB until ABTS rsp received. "
257 		"0 (Default) Do not set fw option. "
258 		"1 - Set fw option to hold ABTS.");
259 
260 int ql2xmvasynctoatio = 1;
261 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
262 MODULE_PARM_DESC(ql2xmvasynctoatio,
263 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
264 		"0 (Default). Do not move IOCBs"
265 		"1 - Move IOCBs.");
266 
267 int ql2xautodetectsfp = 1;
268 module_param(ql2xautodetectsfp, int, 0444);
269 MODULE_PARM_DESC(ql2xautodetectsfp,
270 		 "Detect SFP range and set appropriate distance.\n"
271 		 "1 (Default): Enable\n");
272 
273 int ql2xenablemsix = 1;
274 module_param(ql2xenablemsix, int, 0444);
275 MODULE_PARM_DESC(ql2xenablemsix,
276 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
277 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
278 		 " 0 -- enable traditional pin-based mechanism.\n"
279 		 " 1 -- enable MSI-X interrupt mechanism.\n"
280 		 " 2 -- enable MSI interrupt mechanism.\n");
281 
282 int qla2xuseresexchforels;
283 module_param(qla2xuseresexchforels, int, 0444);
284 MODULE_PARM_DESC(qla2xuseresexchforels,
285 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
286 		 " 0 (default): disabled");
287 
288 /*
289  * SCSI host template entry points
290  */
291 static int qla2xxx_slave_configure(struct scsi_device * device);
292 static int qla2xxx_slave_alloc(struct scsi_device *);
293 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
294 static void qla2xxx_scan_start(struct Scsi_Host *);
295 static void qla2xxx_slave_destroy(struct scsi_device *);
296 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
297 static int qla2xxx_eh_abort(struct scsi_cmnd *);
298 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
299 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
300 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
301 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
302 
303 static void qla2x00_clear_drv_active(struct qla_hw_data *);
304 static void qla2x00_free_device(scsi_qla_host_t *);
305 static int qla2xxx_map_queues(struct Scsi_Host *shost);
306 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
307 
308 
309 struct scsi_host_template qla2xxx_driver_template = {
310 	.module			= THIS_MODULE,
311 	.name			= QLA2XXX_DRIVER_NAME,
312 	.queuecommand		= qla2xxx_queuecommand,
313 
314 	.eh_timed_out		= fc_eh_timed_out,
315 	.eh_abort_handler	= qla2xxx_eh_abort,
316 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
317 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
318 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
319 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
320 
321 	.slave_configure	= qla2xxx_slave_configure,
322 
323 	.slave_alloc		= qla2xxx_slave_alloc,
324 	.slave_destroy		= qla2xxx_slave_destroy,
325 	.scan_finished		= qla2xxx_scan_finished,
326 	.scan_start		= qla2xxx_scan_start,
327 	.change_queue_depth	= scsi_change_queue_depth,
328 	.map_queues             = qla2xxx_map_queues,
329 	.this_id		= -1,
330 	.cmd_per_lun		= 3,
331 	.sg_tablesize		= SG_ALL,
332 
333 	.max_sectors		= 0xFFFF,
334 	.shost_attrs		= qla2x00_host_attrs,
335 
336 	.supported_mode		= MODE_INITIATOR,
337 	.track_queue_depth	= 1,
338 };
339 
340 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
341 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
342 
343 /* TODO Convert to inlines
344  *
345  * Timer routines
346  */
347 
348 __inline__ void
349 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
350 {
351 	timer_setup(&vha->timer, qla2x00_timer, 0);
352 	vha->timer.expires = jiffies + interval * HZ;
353 	add_timer(&vha->timer);
354 	vha->timer_active = 1;
355 }
356 
357 static inline void
358 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
359 {
360 	/* Currently used for 82XX only. */
361 	if (vha->device_flags & DFLG_DEV_FAILED) {
362 		ql_dbg(ql_dbg_timer, vha, 0x600d,
363 		    "Device in a failed state, returning.\n");
364 		return;
365 	}
366 
367 	mod_timer(&vha->timer, jiffies + interval * HZ);
368 }
369 
370 static __inline__ void
371 qla2x00_stop_timer(scsi_qla_host_t *vha)
372 {
373 	del_timer_sync(&vha->timer);
374 	vha->timer_active = 0;
375 }
376 
377 static int qla2x00_do_dpc(void *data);
378 
379 static void qla2x00_rst_aen(scsi_qla_host_t *);
380 
381 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
382 	struct req_que **, struct rsp_que **);
383 static void qla2x00_free_fw_dump(struct qla_hw_data *);
384 static void qla2x00_mem_free(struct qla_hw_data *);
385 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
386 	struct qla_qpair *qpair);
387 
388 /* -------------------------------------------------------------------------- */
389 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
390     struct rsp_que *rsp)
391 {
392 	struct qla_hw_data *ha = vha->hw;
393 	rsp->qpair = ha->base_qpair;
394 	rsp->req = req;
395 	ha->base_qpair->hw = ha;
396 	ha->base_qpair->req = req;
397 	ha->base_qpair->rsp = rsp;
398 	ha->base_qpair->vha = vha;
399 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
400 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
401 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
402 	ha->base_qpair->srb_mempool = ha->srb_mempool;
403 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
404 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
405 	/* init qpair to this cpu. Will adjust at run time. */
406 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
407 	ha->base_qpair->pdev = ha->pdev;
408 
409 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
410 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
411 }
412 
413 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
414 				struct rsp_que *rsp)
415 {
416 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
417 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
418 				GFP_KERNEL);
419 	if (!ha->req_q_map) {
420 		ql_log(ql_log_fatal, vha, 0x003b,
421 		    "Unable to allocate memory for request queue ptrs.\n");
422 		goto fail_req_map;
423 	}
424 
425 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
426 				GFP_KERNEL);
427 	if (!ha->rsp_q_map) {
428 		ql_log(ql_log_fatal, vha, 0x003c,
429 		    "Unable to allocate memory for response queue ptrs.\n");
430 		goto fail_rsp_map;
431 	}
432 
433 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
434 	if (ha->base_qpair == NULL) {
435 		ql_log(ql_log_warn, vha, 0x00e0,
436 		    "Failed to allocate base queue pair memory.\n");
437 		goto fail_base_qpair;
438 	}
439 
440 	qla_init_base_qpair(vha, req, rsp);
441 
442 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
443 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
444 			GFP_KERNEL);
445 		if (!ha->queue_pair_map) {
446 			ql_log(ql_log_fatal, vha, 0x0180,
447 			    "Unable to allocate memory for queue pair ptrs.\n");
448 			goto fail_qpair_map;
449 		}
450 	}
451 
452 	/*
453 	 * Make sure we record at least the request and response queue zero in
454 	 * case we need to free them if part of the probe fails.
455 	 */
456 	ha->rsp_q_map[0] = rsp;
457 	ha->req_q_map[0] = req;
458 	set_bit(0, ha->rsp_qid_map);
459 	set_bit(0, ha->req_qid_map);
460 	return 0;
461 
462 fail_qpair_map:
463 	kfree(ha->base_qpair);
464 	ha->base_qpair = NULL;
465 fail_base_qpair:
466 	kfree(ha->rsp_q_map);
467 	ha->rsp_q_map = NULL;
468 fail_rsp_map:
469 	kfree(ha->req_q_map);
470 	ha->req_q_map = NULL;
471 fail_req_map:
472 	return -ENOMEM;
473 }
474 
475 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
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 
490 	kfree(req);
491 }
492 
493 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
494 {
495 	if (IS_QLAFX00(ha)) {
496 		if (rsp && rsp->ring_fx00)
497 			dma_free_coherent(&ha->pdev->dev,
498 			    (rsp->length_fx00 + 1) * sizeof(request_t),
499 			    rsp->ring_fx00, rsp->dma_fx00);
500 	} else if (rsp && rsp->ring) {
501 		dma_free_coherent(&ha->pdev->dev,
502 		(rsp->length + 1) * sizeof(response_t),
503 		rsp->ring, rsp->dma);
504 	}
505 	kfree(rsp);
506 }
507 
508 static void qla2x00_free_queues(struct qla_hw_data *ha)
509 {
510 	struct req_que *req;
511 	struct rsp_que *rsp;
512 	int cnt;
513 	unsigned long flags;
514 
515 	if (ha->queue_pair_map) {
516 		kfree(ha->queue_pair_map);
517 		ha->queue_pair_map = NULL;
518 	}
519 	if (ha->base_qpair) {
520 		kfree(ha->base_qpair);
521 		ha->base_qpair = NULL;
522 	}
523 
524 	spin_lock_irqsave(&ha->hardware_lock, flags);
525 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
526 		if (!test_bit(cnt, ha->req_qid_map))
527 			continue;
528 
529 		req = ha->req_q_map[cnt];
530 		clear_bit(cnt, ha->req_qid_map);
531 		ha->req_q_map[cnt] = NULL;
532 
533 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
534 		qla2x00_free_req_que(ha, req);
535 		spin_lock_irqsave(&ha->hardware_lock, flags);
536 	}
537 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
538 
539 	kfree(ha->req_q_map);
540 	ha->req_q_map = NULL;
541 
542 
543 	spin_lock_irqsave(&ha->hardware_lock, flags);
544 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
545 		if (!test_bit(cnt, ha->rsp_qid_map))
546 			continue;
547 
548 		rsp = ha->rsp_q_map[cnt];
549 		clear_bit(cnt, ha->rsp_qid_map);
550 		ha->rsp_q_map[cnt] =  NULL;
551 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
552 		qla2x00_free_rsp_que(ha, rsp);
553 		spin_lock_irqsave(&ha->hardware_lock, flags);
554 	}
555 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
556 
557 	kfree(ha->rsp_q_map);
558 	ha->rsp_q_map = NULL;
559 }
560 
561 static char *
562 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
563 {
564 	struct qla_hw_data *ha = vha->hw;
565 	static char *pci_bus_modes[] = {
566 		"33", "66", "100", "133",
567 	};
568 	uint16_t pci_bus;
569 
570 	strcpy(str, "PCI");
571 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
572 	if (pci_bus) {
573 		strcat(str, "-X (");
574 		strcat(str, pci_bus_modes[pci_bus]);
575 	} else {
576 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
577 		strcat(str, " (");
578 		strcat(str, pci_bus_modes[pci_bus]);
579 	}
580 	strcat(str, " MHz)");
581 
582 	return (str);
583 }
584 
585 static char *
586 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
587 {
588 	static char *pci_bus_modes[] = { "33", "66", "100", "133", };
589 	struct qla_hw_data *ha = vha->hw;
590 	uint32_t pci_bus;
591 
592 	if (pci_is_pcie(ha->pdev)) {
593 		char lwstr[6];
594 		uint32_t lstat, lspeed, lwidth;
595 
596 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
597 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
598 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
599 
600 		strcpy(str, "PCIe (");
601 		switch (lspeed) {
602 		case 1:
603 			strcat(str, "2.5GT/s ");
604 			break;
605 		case 2:
606 			strcat(str, "5.0GT/s ");
607 			break;
608 		case 3:
609 			strcat(str, "8.0GT/s ");
610 			break;
611 		default:
612 			strcat(str, "<unknown> ");
613 			break;
614 		}
615 		snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
616 		strcat(str, lwstr);
617 
618 		return str;
619 	}
620 
621 	strcpy(str, "PCI");
622 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
623 	if (pci_bus == 0 || pci_bus == 8) {
624 		strcat(str, " (");
625 		strcat(str, pci_bus_modes[pci_bus >> 3]);
626 	} else {
627 		strcat(str, "-X ");
628 		if (pci_bus & BIT_2)
629 			strcat(str, "Mode 2");
630 		else
631 			strcat(str, "Mode 1");
632 		strcat(str, " (");
633 		strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
634 	}
635 	strcat(str, " MHz)");
636 
637 	return str;
638 }
639 
640 static char *
641 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
642 {
643 	char un_str[10];
644 	struct qla_hw_data *ha = vha->hw;
645 
646 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
647 	    ha->fw_minor_version, ha->fw_subminor_version);
648 
649 	if (ha->fw_attributes & BIT_9) {
650 		strcat(str, "FLX");
651 		return (str);
652 	}
653 
654 	switch (ha->fw_attributes & 0xFF) {
655 	case 0x7:
656 		strcat(str, "EF");
657 		break;
658 	case 0x17:
659 		strcat(str, "TP");
660 		break;
661 	case 0x37:
662 		strcat(str, "IP");
663 		break;
664 	case 0x77:
665 		strcat(str, "VI");
666 		break;
667 	default:
668 		sprintf(un_str, "(%x)", ha->fw_attributes);
669 		strcat(str, un_str);
670 		break;
671 	}
672 	if (ha->fw_attributes & 0x100)
673 		strcat(str, "X");
674 
675 	return (str);
676 }
677 
678 static char *
679 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
680 {
681 	struct qla_hw_data *ha = vha->hw;
682 
683 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
684 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
685 	return str;
686 }
687 
688 void
689 qla2x00_sp_free_dma(void *ptr)
690 {
691 	srb_t *sp = ptr;
692 	struct qla_hw_data *ha = sp->vha->hw;
693 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
694 	void *ctx = GET_CMD_CTX_SP(sp);
695 
696 	if (sp->flags & SRB_DMA_VALID) {
697 		scsi_dma_unmap(cmd);
698 		sp->flags &= ~SRB_DMA_VALID;
699 	}
700 
701 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
702 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
703 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
704 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
705 	}
706 
707 	if (!ctx)
708 		goto end;
709 
710 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
711 		/* List assured to be having elements */
712 		qla2x00_clean_dsd_pool(ha, ctx);
713 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
714 	}
715 
716 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
717 		struct crc_context *ctx0 = ctx;
718 
719 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
720 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
721 	}
722 
723 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
724 		struct ct6_dsd *ctx1 = ctx;
725 
726 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
727 		    ctx1->fcp_cmnd_dma);
728 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
729 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
730 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
731 		mempool_free(ctx1, ha->ctx_mempool);
732 	}
733 
734 end:
735 	if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
736 		CMD_SP(cmd) = NULL;
737 		qla2x00_rel_sp(sp);
738 	}
739 }
740 
741 void
742 qla2x00_sp_compl(void *ptr, int res)
743 {
744 	srb_t *sp = ptr;
745 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
746 
747 	cmd->result = res;
748 
749 	if (atomic_read(&sp->ref_count) == 0) {
750 		ql_dbg(ql_dbg_io, sp->vha, 0x3015,
751 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
752 		    sp, GET_CMD_SP(sp));
753 		if (ql2xextended_error_logging & ql_dbg_io)
754 			WARN_ON(atomic_read(&sp->ref_count) == 0);
755 		return;
756 	}
757 	if (!atomic_dec_and_test(&sp->ref_count))
758 		return;
759 
760 	sp->free(sp);
761 	cmd->scsi_done(cmd);
762 }
763 
764 void
765 qla2xxx_qpair_sp_free_dma(void *ptr)
766 {
767 	srb_t *sp = (srb_t *)ptr;
768 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
769 	struct qla_hw_data *ha = sp->fcport->vha->hw;
770 	void *ctx = GET_CMD_CTX_SP(sp);
771 
772 	if (sp->flags & SRB_DMA_VALID) {
773 		scsi_dma_unmap(cmd);
774 		sp->flags &= ~SRB_DMA_VALID;
775 	}
776 
777 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
778 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
779 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
780 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
781 	}
782 
783 	if (!ctx)
784 		goto end;
785 
786 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
787 		/* List assured to be having elements */
788 		qla2x00_clean_dsd_pool(ha, ctx);
789 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
790 	}
791 
792 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
793 		struct crc_context *ctx0 = ctx;
794 
795 		dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
796 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
797 	}
798 
799 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
800 		struct ct6_dsd *ctx1 = ctx;
801 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
802 		    ctx1->fcp_cmnd_dma);
803 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
804 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
805 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
806 		mempool_free(ctx1, ha->ctx_mempool);
807 	}
808 end:
809 	CMD_SP(cmd) = NULL;
810 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
811 }
812 
813 void
814 qla2xxx_qpair_sp_compl(void *ptr, int res)
815 {
816 	srb_t *sp = ptr;
817 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
818 
819 	cmd->result = res;
820 
821 	if (atomic_read(&sp->ref_count) == 0) {
822 		ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
823 		    "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
824 		    sp, GET_CMD_SP(sp));
825 		if (ql2xextended_error_logging & ql_dbg_io)
826 			WARN_ON(atomic_read(&sp->ref_count) == 0);
827 		return;
828 	}
829 	if (!atomic_dec_and_test(&sp->ref_count))
830 		return;
831 
832 	sp->free(sp);
833 	cmd->scsi_done(cmd);
834 }
835 
836 /* If we are SP1 here, we need to still take and release the host_lock as SP1
837  * does not have the changes necessary to avoid taking host->host_lock.
838  */
839 static int
840 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
841 {
842 	scsi_qla_host_t *vha = shost_priv(host);
843 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
844 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
845 	struct qla_hw_data *ha = vha->hw;
846 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
847 	srb_t *sp;
848 	int rval;
849 	struct qla_qpair *qpair = NULL;
850 	uint32_t tag;
851 	uint16_t hwq;
852 
853 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
854 		cmd->result = DID_NO_CONNECT << 16;
855 		goto qc24_fail_command;
856 	}
857 
858 	if (ha->mqenable) {
859 		tag = blk_mq_unique_tag(cmd->request);
860 		hwq = blk_mq_unique_tag_to_hwq(tag);
861 		qpair = ha->queue_pair_map[hwq];
862 
863 		if (qpair)
864 			return qla2xxx_mqueuecommand(host, cmd, qpair);
865 	}
866 
867 	if (ha->flags.eeh_busy) {
868 		if (ha->flags.pci_channel_io_perm_failure) {
869 			ql_dbg(ql_dbg_aer, vha, 0x9010,
870 			    "PCI Channel IO permanent failure, exiting "
871 			    "cmd=%p.\n", cmd);
872 			cmd->result = DID_NO_CONNECT << 16;
873 		} else {
874 			ql_dbg(ql_dbg_aer, vha, 0x9011,
875 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
876 			cmd->result = DID_REQUEUE << 16;
877 		}
878 		goto qc24_fail_command;
879 	}
880 
881 	rval = fc_remote_port_chkready(rport);
882 	if (rval) {
883 		cmd->result = rval;
884 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
885 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
886 		    cmd, rval);
887 		goto qc24_fail_command;
888 	}
889 
890 	if (!vha->flags.difdix_supported &&
891 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
892 			ql_dbg(ql_dbg_io, vha, 0x3004,
893 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
894 			    cmd);
895 			cmd->result = DID_NO_CONNECT << 16;
896 			goto qc24_fail_command;
897 	}
898 
899 	if (!fcport) {
900 		cmd->result = DID_NO_CONNECT << 16;
901 		goto qc24_fail_command;
902 	}
903 
904 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
905 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
906 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
907 			ql_dbg(ql_dbg_io, vha, 0x3005,
908 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
909 			    atomic_read(&fcport->state),
910 			    atomic_read(&base_vha->loop_state));
911 			cmd->result = DID_NO_CONNECT << 16;
912 			goto qc24_fail_command;
913 		}
914 		goto qc24_target_busy;
915 	}
916 
917 	/*
918 	 * Return target busy if we've received a non-zero retry_delay_timer
919 	 * in a FCP_RSP.
920 	 */
921 	if (fcport->retry_delay_timestamp == 0) {
922 		/* retry delay not set */
923 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
924 		fcport->retry_delay_timestamp = 0;
925 	else
926 		goto qc24_target_busy;
927 
928 	sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
929 	if (!sp)
930 		goto qc24_host_busy;
931 
932 	sp->u.scmd.cmd = cmd;
933 	sp->type = SRB_SCSI_CMD;
934 	atomic_set(&sp->ref_count, 1);
935 	CMD_SP(cmd) = (void *)sp;
936 	sp->free = qla2x00_sp_free_dma;
937 	sp->done = qla2x00_sp_compl;
938 
939 	rval = ha->isp_ops->start_scsi(sp);
940 	if (rval != QLA_SUCCESS) {
941 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
942 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
943 		goto qc24_host_busy_free_sp;
944 	}
945 
946 	return 0;
947 
948 qc24_host_busy_free_sp:
949 	sp->free(sp);
950 
951 qc24_host_busy:
952 	return SCSI_MLQUEUE_HOST_BUSY;
953 
954 qc24_target_busy:
955 	return SCSI_MLQUEUE_TARGET_BUSY;
956 
957 qc24_fail_command:
958 	cmd->scsi_done(cmd);
959 
960 	return 0;
961 }
962 
963 /* For MQ supported I/O */
964 int
965 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
966     struct qla_qpair *qpair)
967 {
968 	scsi_qla_host_t *vha = shost_priv(host);
969 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
970 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
971 	struct qla_hw_data *ha = vha->hw;
972 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
973 	srb_t *sp;
974 	int rval;
975 
976 	rval = fc_remote_port_chkready(rport);
977 	if (rval) {
978 		cmd->result = rval;
979 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
980 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
981 		    cmd, rval);
982 		goto qc24_fail_command;
983 	}
984 
985 	if (!fcport) {
986 		cmd->result = DID_NO_CONNECT << 16;
987 		goto qc24_fail_command;
988 	}
989 
990 	if (atomic_read(&fcport->state) != FCS_ONLINE) {
991 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
992 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
993 			ql_dbg(ql_dbg_io, vha, 0x3077,
994 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
995 			    atomic_read(&fcport->state),
996 			    atomic_read(&base_vha->loop_state));
997 			cmd->result = DID_NO_CONNECT << 16;
998 			goto qc24_fail_command;
999 		}
1000 		goto qc24_target_busy;
1001 	}
1002 
1003 	/*
1004 	 * Return target busy if we've received a non-zero retry_delay_timer
1005 	 * in a FCP_RSP.
1006 	 */
1007 	if (fcport->retry_delay_timestamp == 0) {
1008 		/* retry delay not set */
1009 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1010 		fcport->retry_delay_timestamp = 0;
1011 	else
1012 		goto qc24_target_busy;
1013 
1014 	sp = qla2xxx_get_qpair_sp(vha, qpair, fcport, GFP_ATOMIC);
1015 	if (!sp)
1016 		goto qc24_host_busy;
1017 
1018 	sp->u.scmd.cmd = cmd;
1019 	sp->type = SRB_SCSI_CMD;
1020 	atomic_set(&sp->ref_count, 1);
1021 	CMD_SP(cmd) = (void *)sp;
1022 	sp->free = qla2xxx_qpair_sp_free_dma;
1023 	sp->done = qla2xxx_qpair_sp_compl;
1024 	sp->qpair = qpair;
1025 
1026 	rval = ha->isp_ops->start_scsi_mq(sp);
1027 	if (rval != QLA_SUCCESS) {
1028 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1029 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1030 		if (rval == QLA_INTERFACE_ERROR)
1031 			goto qc24_fail_command;
1032 		goto qc24_host_busy_free_sp;
1033 	}
1034 
1035 	return 0;
1036 
1037 qc24_host_busy_free_sp:
1038 	sp->free(sp);
1039 
1040 qc24_host_busy:
1041 	return SCSI_MLQUEUE_HOST_BUSY;
1042 
1043 qc24_target_busy:
1044 	return SCSI_MLQUEUE_TARGET_BUSY;
1045 
1046 qc24_fail_command:
1047 	cmd->scsi_done(cmd);
1048 
1049 	return 0;
1050 }
1051 
1052 /*
1053  * qla2x00_eh_wait_on_command
1054  *    Waits for the command to be returned by the Firmware for some
1055  *    max time.
1056  *
1057  * Input:
1058  *    cmd = Scsi Command to wait on.
1059  *
1060  * Return:
1061  *    Not Found : 0
1062  *    Found : 1
1063  */
1064 static int
1065 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1066 {
1067 #define ABORT_POLLING_PERIOD	1000
1068 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1069 	unsigned long wait_iter = ABORT_WAIT_ITER;
1070 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1071 	struct qla_hw_data *ha = vha->hw;
1072 	int ret = QLA_SUCCESS;
1073 
1074 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1075 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1076 		    "Return:eh_wait.\n");
1077 		return ret;
1078 	}
1079 
1080 	while (CMD_SP(cmd) && wait_iter--) {
1081 		msleep(ABORT_POLLING_PERIOD);
1082 	}
1083 	if (CMD_SP(cmd))
1084 		ret = QLA_FUNCTION_FAILED;
1085 
1086 	return ret;
1087 }
1088 
1089 /*
1090  * qla2x00_wait_for_hba_online
1091  *    Wait till the HBA is online after going through
1092  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1093  *    finally HBA is disabled ie marked offline
1094  *
1095  * Input:
1096  *     ha - pointer to host adapter structure
1097  *
1098  * Note:
1099  *    Does context switching-Release SPIN_LOCK
1100  *    (if any) before calling this routine.
1101  *
1102  * Return:
1103  *    Success (Adapter is online) : 0
1104  *    Failed  (Adapter is offline/disabled) : 1
1105  */
1106 int
1107 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1108 {
1109 	int		return_status;
1110 	unsigned long	wait_online;
1111 	struct qla_hw_data *ha = vha->hw;
1112 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1113 
1114 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1115 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1116 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1117 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1118 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1119 
1120 		msleep(1000);
1121 	}
1122 	if (base_vha->flags.online)
1123 		return_status = QLA_SUCCESS;
1124 	else
1125 		return_status = QLA_FUNCTION_FAILED;
1126 
1127 	return (return_status);
1128 }
1129 
1130 static inline int test_fcport_count(scsi_qla_host_t *vha)
1131 {
1132 	struct qla_hw_data *ha = vha->hw;
1133 	unsigned long flags;
1134 	int res;
1135 
1136 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1137 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1138 	    "tgt %p, fcport_count=%d\n",
1139 	    vha, vha->fcport_count);
1140 	res = (vha->fcport_count == 0);
1141 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1142 
1143 	return res;
1144 }
1145 
1146 /*
1147  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1148  * it has dependency on UNLOADING flag to stop device discovery
1149  */
1150 void
1151 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1152 {
1153 	qla2x00_mark_all_devices_lost(vha, 0);
1154 
1155 	wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1156 }
1157 
1158 /*
1159  * qla2x00_wait_for_hba_ready
1160  * Wait till the HBA is ready before doing driver unload
1161  *
1162  * Input:
1163  *     ha - pointer to host adapter structure
1164  *
1165  * Note:
1166  *    Does context switching-Release SPIN_LOCK
1167  *    (if any) before calling this routine.
1168  *
1169  */
1170 static void
1171 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1172 {
1173 	struct qla_hw_data *ha = vha->hw;
1174 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1175 
1176 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1177 		ha->flags.mbox_busy) ||
1178 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1179 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1180 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1181 			break;
1182 		msleep(1000);
1183 	}
1184 }
1185 
1186 int
1187 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1188 {
1189 	int		return_status;
1190 	unsigned long	wait_reset;
1191 	struct qla_hw_data *ha = vha->hw;
1192 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1193 
1194 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1195 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1196 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1197 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1198 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1199 
1200 		msleep(1000);
1201 
1202 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1203 		    ha->flags.chip_reset_done)
1204 			break;
1205 	}
1206 	if (ha->flags.chip_reset_done)
1207 		return_status = QLA_SUCCESS;
1208 	else
1209 		return_status = QLA_FUNCTION_FAILED;
1210 
1211 	return return_status;
1212 }
1213 
1214 static int
1215 sp_get(struct srb *sp)
1216 {
1217 	if (!refcount_inc_not_zero((refcount_t*)&sp->ref_count))
1218 		/* kref get fail */
1219 		return ENXIO;
1220 	else
1221 		return 0;
1222 }
1223 
1224 #define ISP_REG_DISCONNECT 0xffffffffU
1225 /**************************************************************************
1226 * qla2x00_isp_reg_stat
1227 *
1228 * Description:
1229 *	Read the host status register of ISP before aborting the command.
1230 *
1231 * Input:
1232 *	ha = pointer to host adapter structure.
1233 *
1234 *
1235 * Returns:
1236 *	Either true or false.
1237 *
1238 * Note:	Return true if there is register disconnect.
1239 **************************************************************************/
1240 static inline
1241 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1242 {
1243 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1244 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1245 
1246 	if (IS_P3P_TYPE(ha))
1247 		return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
1248 	else
1249 		return ((RD_REG_DWORD(&reg->host_status)) ==
1250 			ISP_REG_DISCONNECT);
1251 }
1252 
1253 /**************************************************************************
1254 * qla2xxx_eh_abort
1255 *
1256 * Description:
1257 *    The abort function will abort the specified command.
1258 *
1259 * Input:
1260 *    cmd = Linux SCSI command packet to be aborted.
1261 *
1262 * Returns:
1263 *    Either SUCCESS or FAILED.
1264 *
1265 * Note:
1266 *    Only return FAILED if command not returned by firmware.
1267 **************************************************************************/
1268 static int
1269 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1270 {
1271 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1272 	srb_t *sp;
1273 	int ret;
1274 	unsigned int id;
1275 	uint64_t lun;
1276 	unsigned long flags;
1277 	int rval, wait = 0;
1278 	struct qla_hw_data *ha = vha->hw;
1279 	struct qla_qpair *qpair;
1280 
1281 	if (qla2x00_isp_reg_stat(ha)) {
1282 		ql_log(ql_log_info, vha, 0x8042,
1283 		    "PCI/Register disconnect, exiting.\n");
1284 		return FAILED;
1285 	}
1286 
1287 	ret = fc_block_scsi_eh(cmd);
1288 	if (ret != 0)
1289 		return ret;
1290 	ret = SUCCESS;
1291 
1292 	sp = (srb_t *) CMD_SP(cmd);
1293 	if (!sp)
1294 		return SUCCESS;
1295 
1296 	qpair = sp->qpair;
1297 	if (!qpair)
1298 		return SUCCESS;
1299 
1300 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1301 	if (!CMD_SP(cmd)) {
1302 		/* there's a chance an interrupt could clear
1303 		   the ptr as part of done & free */
1304 		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1305 		return SUCCESS;
1306 	}
1307 
1308 	if (sp_get(sp)){
1309 		/* ref_count is already 0 */
1310 		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1311 		return SUCCESS;
1312 	}
1313 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1314 
1315 	id = cmd->device->id;
1316 	lun = cmd->device->lun;
1317 
1318 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1319 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1320 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1321 
1322 	/* Get a reference to the sp and drop the lock.*/
1323 
1324 	rval = ha->isp_ops->abort_command(sp);
1325 	if (rval) {
1326 		if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1327 			ret = SUCCESS;
1328 		else
1329 			ret = FAILED;
1330 
1331 		ql_dbg(ql_dbg_taskm, vha, 0x8003,
1332 		    "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1333 	} else {
1334 		ql_dbg(ql_dbg_taskm, vha, 0x8004,
1335 		    "Abort command mbx success cmd=%p.\n", cmd);
1336 		wait = 1;
1337 	}
1338 
1339 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1340 	/*
1341 	 * Clear the slot in the oustanding_cmds array if we can't find the
1342 	 * command to reclaim the resources.
1343 	 */
1344 	if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1345 		vha->req->outstanding_cmds[sp->handle] = NULL;
1346 
1347 	/*
1348 	 * sp->done will do ref_count--
1349 	 * sp_get() took an extra count above
1350 	 */
1351 	sp->done(sp, DID_RESET << 16);
1352 
1353 	/* Did the command return during mailbox execution? */
1354 	if (ret == FAILED && !CMD_SP(cmd))
1355 		ret = SUCCESS;
1356 
1357 	if (!CMD_SP(cmd))
1358 		wait = 0;
1359 
1360 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1361 
1362 	/* Wait for the command to be returned. */
1363 	if (wait) {
1364 		if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1365 			ql_log(ql_log_warn, vha, 0x8006,
1366 			    "Abort handler timed out cmd=%p.\n", cmd);
1367 			ret = FAILED;
1368 		}
1369 	}
1370 
1371 	ql_log(ql_log_info, vha, 0x801c,
1372 	    "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1373 	    vha->host_no, id, lun, wait, ret);
1374 
1375 	return ret;
1376 }
1377 
1378 int
1379 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1380 	uint64_t l, enum nexus_wait_type type)
1381 {
1382 	int cnt, match, status;
1383 	unsigned long flags;
1384 	struct qla_hw_data *ha = vha->hw;
1385 	struct req_que *req;
1386 	srb_t *sp;
1387 	struct scsi_cmnd *cmd;
1388 
1389 	status = QLA_SUCCESS;
1390 
1391 	spin_lock_irqsave(&ha->hardware_lock, flags);
1392 	req = vha->req;
1393 	for (cnt = 1; status == QLA_SUCCESS &&
1394 		cnt < req->num_outstanding_cmds; cnt++) {
1395 		sp = req->outstanding_cmds[cnt];
1396 		if (!sp)
1397 			continue;
1398 		if (sp->type != SRB_SCSI_CMD)
1399 			continue;
1400 		if (vha->vp_idx != sp->vha->vp_idx)
1401 			continue;
1402 		match = 0;
1403 		cmd = GET_CMD_SP(sp);
1404 		switch (type) {
1405 		case WAIT_HOST:
1406 			match = 1;
1407 			break;
1408 		case WAIT_TARGET:
1409 			match = cmd->device->id == t;
1410 			break;
1411 		case WAIT_LUN:
1412 			match = (cmd->device->id == t &&
1413 				cmd->device->lun == l);
1414 			break;
1415 		}
1416 		if (!match)
1417 			continue;
1418 
1419 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1420 		status = qla2x00_eh_wait_on_command(cmd);
1421 		spin_lock_irqsave(&ha->hardware_lock, flags);
1422 	}
1423 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1424 
1425 	return status;
1426 }
1427 
1428 static char *reset_errors[] = {
1429 	"HBA not online",
1430 	"HBA not ready",
1431 	"Task management failed",
1432 	"Waiting for command completions",
1433 };
1434 
1435 static int
1436 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1437     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1438 {
1439 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1440 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1441 	int err;
1442 
1443 	if (!fcport) {
1444 		return FAILED;
1445 	}
1446 
1447 	err = fc_block_scsi_eh(cmd);
1448 	if (err != 0)
1449 		return err;
1450 
1451 	ql_log(ql_log_info, vha, 0x8009,
1452 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1453 	    cmd->device->id, cmd->device->lun, cmd);
1454 
1455 	err = 0;
1456 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1457 		ql_log(ql_log_warn, vha, 0x800a,
1458 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1459 		goto eh_reset_failed;
1460 	}
1461 	err = 2;
1462 	if (do_reset(fcport, cmd->device->lun, blk_mq_rq_cpu(cmd->request) + 1)
1463 		!= QLA_SUCCESS) {
1464 		ql_log(ql_log_warn, vha, 0x800c,
1465 		    "do_reset failed for cmd=%p.\n", cmd);
1466 		goto eh_reset_failed;
1467 	}
1468 	err = 3;
1469 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1470 	    cmd->device->lun, type) != QLA_SUCCESS) {
1471 		ql_log(ql_log_warn, vha, 0x800d,
1472 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1473 		goto eh_reset_failed;
1474 	}
1475 
1476 	ql_log(ql_log_info, vha, 0x800e,
1477 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1478 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1479 
1480 	return SUCCESS;
1481 
1482 eh_reset_failed:
1483 	ql_log(ql_log_info, vha, 0x800f,
1484 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1485 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1486 	    cmd);
1487 	return FAILED;
1488 }
1489 
1490 static int
1491 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1492 {
1493 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1494 	struct qla_hw_data *ha = vha->hw;
1495 
1496 	if (qla2x00_isp_reg_stat(ha)) {
1497 		ql_log(ql_log_info, vha, 0x803e,
1498 		    "PCI/Register disconnect, exiting.\n");
1499 		return FAILED;
1500 	}
1501 
1502 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1503 	    ha->isp_ops->lun_reset);
1504 }
1505 
1506 static int
1507 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1508 {
1509 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1510 	struct qla_hw_data *ha = vha->hw;
1511 
1512 	if (qla2x00_isp_reg_stat(ha)) {
1513 		ql_log(ql_log_info, vha, 0x803f,
1514 		    "PCI/Register disconnect, exiting.\n");
1515 		return FAILED;
1516 	}
1517 
1518 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1519 	    ha->isp_ops->target_reset);
1520 }
1521 
1522 /**************************************************************************
1523 * qla2xxx_eh_bus_reset
1524 *
1525 * Description:
1526 *    The bus reset function will reset the bus and abort any executing
1527 *    commands.
1528 *
1529 * Input:
1530 *    cmd = Linux SCSI command packet of the command that cause the
1531 *          bus reset.
1532 *
1533 * Returns:
1534 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1535 *
1536 **************************************************************************/
1537 static int
1538 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1539 {
1540 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1541 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1542 	int ret = FAILED;
1543 	unsigned int id;
1544 	uint64_t lun;
1545 	struct qla_hw_data *ha = vha->hw;
1546 
1547 	if (qla2x00_isp_reg_stat(ha)) {
1548 		ql_log(ql_log_info, vha, 0x8040,
1549 		    "PCI/Register disconnect, exiting.\n");
1550 		return FAILED;
1551 	}
1552 
1553 	id = cmd->device->id;
1554 	lun = cmd->device->lun;
1555 
1556 	if (!fcport) {
1557 		return ret;
1558 	}
1559 
1560 	ret = fc_block_scsi_eh(cmd);
1561 	if (ret != 0)
1562 		return ret;
1563 	ret = FAILED;
1564 
1565 	ql_log(ql_log_info, vha, 0x8012,
1566 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1567 
1568 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1569 		ql_log(ql_log_fatal, vha, 0x8013,
1570 		    "Wait for hba online failed board disabled.\n");
1571 		goto eh_bus_reset_done;
1572 	}
1573 
1574 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1575 		ret = SUCCESS;
1576 
1577 	if (ret == FAILED)
1578 		goto eh_bus_reset_done;
1579 
1580 	/* Flush outstanding commands. */
1581 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1582 	    QLA_SUCCESS) {
1583 		ql_log(ql_log_warn, vha, 0x8014,
1584 		    "Wait for pending commands failed.\n");
1585 		ret = FAILED;
1586 	}
1587 
1588 eh_bus_reset_done:
1589 	ql_log(ql_log_warn, vha, 0x802b,
1590 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1591 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1592 
1593 	return ret;
1594 }
1595 
1596 /**************************************************************************
1597 * qla2xxx_eh_host_reset
1598 *
1599 * Description:
1600 *    The reset function will reset the Adapter.
1601 *
1602 * Input:
1603 *      cmd = Linux SCSI command packet of the command that cause the
1604 *            adapter reset.
1605 *
1606 * Returns:
1607 *      Either SUCCESS or FAILED.
1608 *
1609 * Note:
1610 **************************************************************************/
1611 static int
1612 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1613 {
1614 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1615 	struct qla_hw_data *ha = vha->hw;
1616 	int ret = FAILED;
1617 	unsigned int id;
1618 	uint64_t lun;
1619 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1620 
1621 	if (qla2x00_isp_reg_stat(ha)) {
1622 		ql_log(ql_log_info, vha, 0x8041,
1623 		    "PCI/Register disconnect, exiting.\n");
1624 		schedule_work(&ha->board_disable);
1625 		return SUCCESS;
1626 	}
1627 
1628 	id = cmd->device->id;
1629 	lun = cmd->device->lun;
1630 
1631 	ql_log(ql_log_info, vha, 0x8018,
1632 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1633 
1634 	/*
1635 	 * No point in issuing another reset if one is active.  Also do not
1636 	 * attempt a reset if we are updating flash.
1637 	 */
1638 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1639 		goto eh_host_reset_lock;
1640 
1641 	if (vha != base_vha) {
1642 		if (qla2x00_vp_abort_isp(vha))
1643 			goto eh_host_reset_lock;
1644 	} else {
1645 		if (IS_P3P_TYPE(vha->hw)) {
1646 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1647 				/* Ctx reset success */
1648 				ret = SUCCESS;
1649 				goto eh_host_reset_lock;
1650 			}
1651 			/* fall thru if ctx reset failed */
1652 		}
1653 		if (ha->wq)
1654 			flush_workqueue(ha->wq);
1655 
1656 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1657 		if (ha->isp_ops->abort_isp(base_vha)) {
1658 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1659 			/* failed. schedule dpc to try */
1660 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1661 
1662 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1663 				ql_log(ql_log_warn, vha, 0x802a,
1664 				    "wait for hba online failed.\n");
1665 				goto eh_host_reset_lock;
1666 			}
1667 		}
1668 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1669 	}
1670 
1671 	/* Waiting for command to be returned to OS.*/
1672 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1673 		QLA_SUCCESS)
1674 		ret = SUCCESS;
1675 
1676 eh_host_reset_lock:
1677 	ql_log(ql_log_info, vha, 0x8017,
1678 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1679 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1680 
1681 	return ret;
1682 }
1683 
1684 /*
1685 * qla2x00_loop_reset
1686 *      Issue loop reset.
1687 *
1688 * Input:
1689 *      ha = adapter block pointer.
1690 *
1691 * Returns:
1692 *      0 = success
1693 */
1694 int
1695 qla2x00_loop_reset(scsi_qla_host_t *vha)
1696 {
1697 	int ret;
1698 	struct fc_port *fcport;
1699 	struct qla_hw_data *ha = vha->hw;
1700 
1701 	if (IS_QLAFX00(ha)) {
1702 		return qlafx00_loop_reset(vha);
1703 	}
1704 
1705 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1706 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1707 			if (fcport->port_type != FCT_TARGET)
1708 				continue;
1709 
1710 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1711 			if (ret != QLA_SUCCESS) {
1712 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1713 				    "Bus Reset failed: Reset=%d "
1714 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1715 			}
1716 		}
1717 	}
1718 
1719 
1720 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1721 		atomic_set(&vha->loop_state, LOOP_DOWN);
1722 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1723 		qla2x00_mark_all_devices_lost(vha, 0);
1724 		ret = qla2x00_full_login_lip(vha);
1725 		if (ret != QLA_SUCCESS) {
1726 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1727 			    "full_login_lip=%d.\n", ret);
1728 		}
1729 	}
1730 
1731 	if (ha->flags.enable_lip_reset) {
1732 		ret = qla2x00_lip_reset(vha);
1733 		if (ret != QLA_SUCCESS)
1734 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1735 			    "lip_reset failed (%d).\n", ret);
1736 	}
1737 
1738 	/* Issue marker command only when we are going to start the I/O */
1739 	vha->marker_needed = 1;
1740 
1741 	return QLA_SUCCESS;
1742 }
1743 
1744 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1745 			      unsigned long *flags)
1746 	__releases(qp->qp_lock_ptr)
1747 	__acquires(qp->qp_lock_ptr)
1748 {
1749 	scsi_qla_host_t *vha = qp->vha;
1750 	struct qla_hw_data *ha = vha->hw;
1751 
1752 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS) {
1753 		if (!sp_get(sp)) {
1754 			/* got sp */
1755 			spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1756 			qla_nvme_abort(ha, sp, res);
1757 			spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1758 		}
1759 	} else if (GET_CMD_SP(sp) && !ha->flags.eeh_busy &&
1760 		   !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1761 		   !qla2x00_isp_reg_stat(ha) && sp->type == SRB_SCSI_CMD) {
1762 		/*
1763 		 * Don't abort commands in adapter during EEH recovery as it's
1764 		 * not accessible/responding.
1765 		 *
1766 		 * Get a reference to the sp and drop the lock. The reference
1767 		 * ensures this sp->done() call and not the call in
1768 		 * qla2xxx_eh_abort() ends the SCSI cmd (with result 'res').
1769 		 */
1770 		if (!sp_get(sp)) {
1771 			int status;
1772 
1773 			spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1774 			status = qla2xxx_eh_abort(GET_CMD_SP(sp));
1775 			spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1776 			/*
1777 			 * Get rid of extra reference caused
1778 			 * by early exit from qla2xxx_eh_abort
1779 			 */
1780 			if (status == FAST_IO_FAIL)
1781 				atomic_dec(&sp->ref_count);
1782 		}
1783 	}
1784 	sp->done(sp, res);
1785 }
1786 
1787 static void
1788 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1789 {
1790 	int cnt;
1791 	unsigned long flags;
1792 	srb_t *sp;
1793 	scsi_qla_host_t *vha = qp->vha;
1794 	struct qla_hw_data *ha = vha->hw;
1795 	struct req_que *req;
1796 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1797 	struct qla_tgt_cmd *cmd;
1798 
1799 	if (!ha->req_q_map)
1800 		return;
1801 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1802 	req = qp->req;
1803 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1804 		sp = req->outstanding_cmds[cnt];
1805 		if (sp) {
1806 			req->outstanding_cmds[cnt] = NULL;
1807 			switch (sp->cmd_type) {
1808 			case TYPE_SRB:
1809 				qla2x00_abort_srb(qp, sp, res, &flags);
1810 				break;
1811 			case TYPE_TGT_CMD:
1812 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1813 				    qla_ini_mode_enabled(vha)) {
1814 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1815 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1816 					    vha->dpc_flags);
1817 					continue;
1818 				}
1819 				cmd = (struct qla_tgt_cmd *)sp;
1820 				qlt_abort_cmd_on_host_reset(cmd->vha, cmd);
1821 				break;
1822 			case TYPE_TGT_TMCMD:
1823 				/*
1824 				 * Currently, only ABTS response gets on the
1825 				 * outstanding_cmds[]
1826 				 */
1827 				ha->tgt.tgt_ops->free_mcmd(
1828 				   (struct qla_tgt_mgmt_cmd *)sp);
1829 				break;
1830 			default:
1831 				break;
1832 			}
1833 		}
1834 	}
1835 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1836 }
1837 
1838 void
1839 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1840 {
1841 	int que;
1842 	struct qla_hw_data *ha = vha->hw;
1843 
1844 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1845 
1846 	for (que = 0; que < ha->max_qpairs; que++) {
1847 		if (!ha->queue_pair_map[que])
1848 			continue;
1849 
1850 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1851 	}
1852 }
1853 
1854 static int
1855 qla2xxx_slave_alloc(struct scsi_device *sdev)
1856 {
1857 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1858 
1859 	if (!rport || fc_remote_port_chkready(rport))
1860 		return -ENXIO;
1861 
1862 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1863 
1864 	return 0;
1865 }
1866 
1867 static int
1868 qla2xxx_slave_configure(struct scsi_device *sdev)
1869 {
1870 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1871 	struct req_que *req = vha->req;
1872 
1873 	if (IS_T10_PI_CAPABLE(vha->hw))
1874 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1875 
1876 	scsi_change_queue_depth(sdev, req->max_q_depth);
1877 	return 0;
1878 }
1879 
1880 static void
1881 qla2xxx_slave_destroy(struct scsi_device *sdev)
1882 {
1883 	sdev->hostdata = NULL;
1884 }
1885 
1886 /**
1887  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1888  * @ha: HA context
1889  *
1890  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1891  * supported addressing method.
1892  */
1893 static void
1894 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1895 {
1896 	/* Assume a 32bit DMA mask. */
1897 	ha->flags.enable_64bit_addressing = 0;
1898 
1899 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1900 		/* Any upper-dword bits set? */
1901 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1902 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1903 			/* Ok, a 64bit DMA mask is applicable. */
1904 			ha->flags.enable_64bit_addressing = 1;
1905 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1906 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1907 			return;
1908 		}
1909 	}
1910 
1911 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1912 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1913 }
1914 
1915 static void
1916 qla2x00_enable_intrs(struct qla_hw_data *ha)
1917 {
1918 	unsigned long flags = 0;
1919 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1920 
1921 	spin_lock_irqsave(&ha->hardware_lock, flags);
1922 	ha->interrupts_on = 1;
1923 	/* enable risc and host interrupts */
1924 	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1925 	RD_REG_WORD(&reg->ictrl);
1926 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1927 
1928 }
1929 
1930 static void
1931 qla2x00_disable_intrs(struct qla_hw_data *ha)
1932 {
1933 	unsigned long flags = 0;
1934 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1935 
1936 	spin_lock_irqsave(&ha->hardware_lock, flags);
1937 	ha->interrupts_on = 0;
1938 	/* disable risc and host interrupts */
1939 	WRT_REG_WORD(&reg->ictrl, 0);
1940 	RD_REG_WORD(&reg->ictrl);
1941 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1942 }
1943 
1944 static void
1945 qla24xx_enable_intrs(struct qla_hw_data *ha)
1946 {
1947 	unsigned long flags = 0;
1948 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1949 
1950 	spin_lock_irqsave(&ha->hardware_lock, flags);
1951 	ha->interrupts_on = 1;
1952 	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1953 	RD_REG_DWORD(&reg->ictrl);
1954 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1955 }
1956 
1957 static void
1958 qla24xx_disable_intrs(struct qla_hw_data *ha)
1959 {
1960 	unsigned long flags = 0;
1961 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1962 
1963 	if (IS_NOPOLLING_TYPE(ha))
1964 		return;
1965 	spin_lock_irqsave(&ha->hardware_lock, flags);
1966 	ha->interrupts_on = 0;
1967 	WRT_REG_DWORD(&reg->ictrl, 0);
1968 	RD_REG_DWORD(&reg->ictrl);
1969 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1970 }
1971 
1972 static int
1973 qla2x00_iospace_config(struct qla_hw_data *ha)
1974 {
1975 	resource_size_t pio;
1976 	uint16_t msix;
1977 
1978 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1979 	    QLA2XXX_DRIVER_NAME)) {
1980 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1981 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1982 		    pci_name(ha->pdev));
1983 		goto iospace_error_exit;
1984 	}
1985 	if (!(ha->bars & 1))
1986 		goto skip_pio;
1987 
1988 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1989 	pio = pci_resource_start(ha->pdev, 0);
1990 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1991 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1992 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1993 			    "Invalid pci I/O region size (%s).\n",
1994 			    pci_name(ha->pdev));
1995 			pio = 0;
1996 		}
1997 	} else {
1998 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1999 		    "Region #0 no a PIO resource (%s).\n",
2000 		    pci_name(ha->pdev));
2001 		pio = 0;
2002 	}
2003 	ha->pio_address = pio;
2004 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2005 	    "PIO address=%llu.\n",
2006 	    (unsigned long long)ha->pio_address);
2007 
2008 skip_pio:
2009 	/* Use MMIO operations for all accesses. */
2010 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2011 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2012 		    "Region #1 not an MMIO resource (%s), aborting.\n",
2013 		    pci_name(ha->pdev));
2014 		goto iospace_error_exit;
2015 	}
2016 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2017 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2018 		    "Invalid PCI mem region size (%s), aborting.\n",
2019 		    pci_name(ha->pdev));
2020 		goto iospace_error_exit;
2021 	}
2022 
2023 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2024 	if (!ha->iobase) {
2025 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2026 		    "Cannot remap MMIO (%s), aborting.\n",
2027 		    pci_name(ha->pdev));
2028 		goto iospace_error_exit;
2029 	}
2030 
2031 	/* Determine queue resources */
2032 	ha->max_req_queues = ha->max_rsp_queues = 1;
2033 	ha->msix_count = QLA_BASE_VECTORS;
2034 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2035 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2036 		goto mqiobase_exit;
2037 
2038 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2039 			pci_resource_len(ha->pdev, 3));
2040 	if (ha->mqiobase) {
2041 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2042 		    "MQIO Base=%p.\n", ha->mqiobase);
2043 		/* Read MSIX vector size of the board */
2044 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2045 		ha->msix_count = msix + 1;
2046 		/* Max queues are bounded by available msix vectors */
2047 		/* MB interrupt uses 1 vector */
2048 		ha->max_req_queues = ha->msix_count - 1;
2049 		ha->max_rsp_queues = ha->max_req_queues;
2050 		/* Queue pairs is the max value minus the base queue pair */
2051 		ha->max_qpairs = ha->max_rsp_queues - 1;
2052 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2053 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2054 
2055 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2056 		    "MSI-X vector count: %d.\n", ha->msix_count);
2057 	} else
2058 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2059 		    "BAR 3 not enabled.\n");
2060 
2061 mqiobase_exit:
2062 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2063 	    "MSIX Count: %d.\n", ha->msix_count);
2064 	return (0);
2065 
2066 iospace_error_exit:
2067 	return (-ENOMEM);
2068 }
2069 
2070 
2071 static int
2072 qla83xx_iospace_config(struct qla_hw_data *ha)
2073 {
2074 	uint16_t msix;
2075 
2076 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2077 	    QLA2XXX_DRIVER_NAME)) {
2078 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2079 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2080 		    pci_name(ha->pdev));
2081 
2082 		goto iospace_error_exit;
2083 	}
2084 
2085 	/* Use MMIO operations for all accesses. */
2086 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2087 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2088 		    "Invalid pci I/O region size (%s).\n",
2089 		    pci_name(ha->pdev));
2090 		goto iospace_error_exit;
2091 	}
2092 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2093 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2094 		    "Invalid PCI mem region size (%s), aborting\n",
2095 			pci_name(ha->pdev));
2096 		goto iospace_error_exit;
2097 	}
2098 
2099 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2100 	if (!ha->iobase) {
2101 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2102 		    "Cannot remap MMIO (%s), aborting.\n",
2103 		    pci_name(ha->pdev));
2104 		goto iospace_error_exit;
2105 	}
2106 
2107 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2108 	/* 83XX 26XX always use MQ type access for queues
2109 	 * - mbar 2, a.k.a region 4 */
2110 	ha->max_req_queues = ha->max_rsp_queues = 1;
2111 	ha->msix_count = QLA_BASE_VECTORS;
2112 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2113 			pci_resource_len(ha->pdev, 4));
2114 
2115 	if (!ha->mqiobase) {
2116 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2117 		    "BAR2/region4 not enabled\n");
2118 		goto mqiobase_exit;
2119 	}
2120 
2121 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2122 			pci_resource_len(ha->pdev, 2));
2123 	if (ha->msixbase) {
2124 		/* Read MSIX vector size of the board */
2125 		pci_read_config_word(ha->pdev,
2126 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2127 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2128 		/*
2129 		 * By default, driver uses at least two msix vectors
2130 		 * (default & rspq)
2131 		 */
2132 		if (ql2xmqsupport || ql2xnvmeenable) {
2133 			/* MB interrupt uses 1 vector */
2134 			ha->max_req_queues = ha->msix_count - 1;
2135 
2136 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2137 			if (QLA_TGT_MODE_ENABLED())
2138 				ha->max_req_queues--;
2139 
2140 			ha->max_rsp_queues = ha->max_req_queues;
2141 
2142 			/* Queue pairs is the max value minus
2143 			 * the base queue pair */
2144 			ha->max_qpairs = ha->max_req_queues - 1;
2145 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2146 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2147 		}
2148 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2149 		    "MSI-X vector count: %d.\n", ha->msix_count);
2150 	} else
2151 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2152 		    "BAR 1 not enabled.\n");
2153 
2154 mqiobase_exit:
2155 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2156 	    "MSIX Count: %d.\n", ha->msix_count);
2157 	return 0;
2158 
2159 iospace_error_exit:
2160 	return -ENOMEM;
2161 }
2162 
2163 static struct isp_operations qla2100_isp_ops = {
2164 	.pci_config		= qla2100_pci_config,
2165 	.reset_chip		= qla2x00_reset_chip,
2166 	.chip_diag		= qla2x00_chip_diag,
2167 	.config_rings		= qla2x00_config_rings,
2168 	.reset_adapter		= qla2x00_reset_adapter,
2169 	.nvram_config		= qla2x00_nvram_config,
2170 	.update_fw_options	= qla2x00_update_fw_options,
2171 	.load_risc		= qla2x00_load_risc,
2172 	.pci_info_str		= qla2x00_pci_info_str,
2173 	.fw_version_str		= qla2x00_fw_version_str,
2174 	.intr_handler		= qla2100_intr_handler,
2175 	.enable_intrs		= qla2x00_enable_intrs,
2176 	.disable_intrs		= qla2x00_disable_intrs,
2177 	.abort_command		= qla2x00_abort_command,
2178 	.target_reset		= qla2x00_abort_target,
2179 	.lun_reset		= qla2x00_lun_reset,
2180 	.fabric_login		= qla2x00_login_fabric,
2181 	.fabric_logout		= qla2x00_fabric_logout,
2182 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2183 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2184 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2185 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2186 	.read_nvram		= qla2x00_read_nvram_data,
2187 	.write_nvram		= qla2x00_write_nvram_data,
2188 	.fw_dump		= qla2100_fw_dump,
2189 	.beacon_on		= NULL,
2190 	.beacon_off		= NULL,
2191 	.beacon_blink		= NULL,
2192 	.read_optrom		= qla2x00_read_optrom_data,
2193 	.write_optrom		= qla2x00_write_optrom_data,
2194 	.get_flash_version	= qla2x00_get_flash_version,
2195 	.start_scsi		= qla2x00_start_scsi,
2196 	.start_scsi_mq          = NULL,
2197 	.abort_isp		= qla2x00_abort_isp,
2198 	.iospace_config     	= qla2x00_iospace_config,
2199 	.initialize_adapter	= qla2x00_initialize_adapter,
2200 };
2201 
2202 static struct isp_operations qla2300_isp_ops = {
2203 	.pci_config		= qla2300_pci_config,
2204 	.reset_chip		= qla2x00_reset_chip,
2205 	.chip_diag		= qla2x00_chip_diag,
2206 	.config_rings		= qla2x00_config_rings,
2207 	.reset_adapter		= qla2x00_reset_adapter,
2208 	.nvram_config		= qla2x00_nvram_config,
2209 	.update_fw_options	= qla2x00_update_fw_options,
2210 	.load_risc		= qla2x00_load_risc,
2211 	.pci_info_str		= qla2x00_pci_info_str,
2212 	.fw_version_str		= qla2x00_fw_version_str,
2213 	.intr_handler		= qla2300_intr_handler,
2214 	.enable_intrs		= qla2x00_enable_intrs,
2215 	.disable_intrs		= qla2x00_disable_intrs,
2216 	.abort_command		= qla2x00_abort_command,
2217 	.target_reset		= qla2x00_abort_target,
2218 	.lun_reset		= qla2x00_lun_reset,
2219 	.fabric_login		= qla2x00_login_fabric,
2220 	.fabric_logout		= qla2x00_fabric_logout,
2221 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2222 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2223 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2224 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2225 	.read_nvram		= qla2x00_read_nvram_data,
2226 	.write_nvram		= qla2x00_write_nvram_data,
2227 	.fw_dump		= qla2300_fw_dump,
2228 	.beacon_on		= qla2x00_beacon_on,
2229 	.beacon_off		= qla2x00_beacon_off,
2230 	.beacon_blink		= qla2x00_beacon_blink,
2231 	.read_optrom		= qla2x00_read_optrom_data,
2232 	.write_optrom		= qla2x00_write_optrom_data,
2233 	.get_flash_version	= qla2x00_get_flash_version,
2234 	.start_scsi		= qla2x00_start_scsi,
2235 	.start_scsi_mq          = NULL,
2236 	.abort_isp		= qla2x00_abort_isp,
2237 	.iospace_config		= qla2x00_iospace_config,
2238 	.initialize_adapter	= qla2x00_initialize_adapter,
2239 };
2240 
2241 static struct isp_operations qla24xx_isp_ops = {
2242 	.pci_config		= qla24xx_pci_config,
2243 	.reset_chip		= qla24xx_reset_chip,
2244 	.chip_diag		= qla24xx_chip_diag,
2245 	.config_rings		= qla24xx_config_rings,
2246 	.reset_adapter		= qla24xx_reset_adapter,
2247 	.nvram_config		= qla24xx_nvram_config,
2248 	.update_fw_options	= qla24xx_update_fw_options,
2249 	.load_risc		= qla24xx_load_risc,
2250 	.pci_info_str		= qla24xx_pci_info_str,
2251 	.fw_version_str		= qla24xx_fw_version_str,
2252 	.intr_handler		= qla24xx_intr_handler,
2253 	.enable_intrs		= qla24xx_enable_intrs,
2254 	.disable_intrs		= qla24xx_disable_intrs,
2255 	.abort_command		= qla24xx_abort_command,
2256 	.target_reset		= qla24xx_abort_target,
2257 	.lun_reset		= qla24xx_lun_reset,
2258 	.fabric_login		= qla24xx_login_fabric,
2259 	.fabric_logout		= qla24xx_fabric_logout,
2260 	.calc_req_entries	= NULL,
2261 	.build_iocbs		= NULL,
2262 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2263 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2264 	.read_nvram		= qla24xx_read_nvram_data,
2265 	.write_nvram		= qla24xx_write_nvram_data,
2266 	.fw_dump		= qla24xx_fw_dump,
2267 	.beacon_on		= qla24xx_beacon_on,
2268 	.beacon_off		= qla24xx_beacon_off,
2269 	.beacon_blink		= qla24xx_beacon_blink,
2270 	.read_optrom		= qla24xx_read_optrom_data,
2271 	.write_optrom		= qla24xx_write_optrom_data,
2272 	.get_flash_version	= qla24xx_get_flash_version,
2273 	.start_scsi		= qla24xx_start_scsi,
2274 	.start_scsi_mq          = NULL,
2275 	.abort_isp		= qla2x00_abort_isp,
2276 	.iospace_config		= qla2x00_iospace_config,
2277 	.initialize_adapter	= qla2x00_initialize_adapter,
2278 };
2279 
2280 static struct isp_operations qla25xx_isp_ops = {
2281 	.pci_config		= qla25xx_pci_config,
2282 	.reset_chip		= qla24xx_reset_chip,
2283 	.chip_diag		= qla24xx_chip_diag,
2284 	.config_rings		= qla24xx_config_rings,
2285 	.reset_adapter		= qla24xx_reset_adapter,
2286 	.nvram_config		= qla24xx_nvram_config,
2287 	.update_fw_options	= qla24xx_update_fw_options,
2288 	.load_risc		= qla24xx_load_risc,
2289 	.pci_info_str		= qla24xx_pci_info_str,
2290 	.fw_version_str		= qla24xx_fw_version_str,
2291 	.intr_handler		= qla24xx_intr_handler,
2292 	.enable_intrs		= qla24xx_enable_intrs,
2293 	.disable_intrs		= qla24xx_disable_intrs,
2294 	.abort_command		= qla24xx_abort_command,
2295 	.target_reset		= qla24xx_abort_target,
2296 	.lun_reset		= qla24xx_lun_reset,
2297 	.fabric_login		= qla24xx_login_fabric,
2298 	.fabric_logout		= qla24xx_fabric_logout,
2299 	.calc_req_entries	= NULL,
2300 	.build_iocbs		= NULL,
2301 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2302 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2303 	.read_nvram		= qla25xx_read_nvram_data,
2304 	.write_nvram		= qla25xx_write_nvram_data,
2305 	.fw_dump		= qla25xx_fw_dump,
2306 	.beacon_on		= qla24xx_beacon_on,
2307 	.beacon_off		= qla24xx_beacon_off,
2308 	.beacon_blink		= qla24xx_beacon_blink,
2309 	.read_optrom		= qla25xx_read_optrom_data,
2310 	.write_optrom		= qla24xx_write_optrom_data,
2311 	.get_flash_version	= qla24xx_get_flash_version,
2312 	.start_scsi		= qla24xx_dif_start_scsi,
2313 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2314 	.abort_isp		= qla2x00_abort_isp,
2315 	.iospace_config		= qla2x00_iospace_config,
2316 	.initialize_adapter	= qla2x00_initialize_adapter,
2317 };
2318 
2319 static struct isp_operations qla81xx_isp_ops = {
2320 	.pci_config		= qla25xx_pci_config,
2321 	.reset_chip		= qla24xx_reset_chip,
2322 	.chip_diag		= qla24xx_chip_diag,
2323 	.config_rings		= qla24xx_config_rings,
2324 	.reset_adapter		= qla24xx_reset_adapter,
2325 	.nvram_config		= qla81xx_nvram_config,
2326 	.update_fw_options	= qla81xx_update_fw_options,
2327 	.load_risc		= qla81xx_load_risc,
2328 	.pci_info_str		= qla24xx_pci_info_str,
2329 	.fw_version_str		= qla24xx_fw_version_str,
2330 	.intr_handler		= qla24xx_intr_handler,
2331 	.enable_intrs		= qla24xx_enable_intrs,
2332 	.disable_intrs		= qla24xx_disable_intrs,
2333 	.abort_command		= qla24xx_abort_command,
2334 	.target_reset		= qla24xx_abort_target,
2335 	.lun_reset		= qla24xx_lun_reset,
2336 	.fabric_login		= qla24xx_login_fabric,
2337 	.fabric_logout		= qla24xx_fabric_logout,
2338 	.calc_req_entries	= NULL,
2339 	.build_iocbs		= NULL,
2340 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2341 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2342 	.read_nvram		= NULL,
2343 	.write_nvram		= NULL,
2344 	.fw_dump		= qla81xx_fw_dump,
2345 	.beacon_on		= qla24xx_beacon_on,
2346 	.beacon_off		= qla24xx_beacon_off,
2347 	.beacon_blink		= qla83xx_beacon_blink,
2348 	.read_optrom		= qla25xx_read_optrom_data,
2349 	.write_optrom		= qla24xx_write_optrom_data,
2350 	.get_flash_version	= qla24xx_get_flash_version,
2351 	.start_scsi		= qla24xx_dif_start_scsi,
2352 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2353 	.abort_isp		= qla2x00_abort_isp,
2354 	.iospace_config		= qla2x00_iospace_config,
2355 	.initialize_adapter	= qla2x00_initialize_adapter,
2356 };
2357 
2358 static struct isp_operations qla82xx_isp_ops = {
2359 	.pci_config		= qla82xx_pci_config,
2360 	.reset_chip		= qla82xx_reset_chip,
2361 	.chip_diag		= qla24xx_chip_diag,
2362 	.config_rings		= qla82xx_config_rings,
2363 	.reset_adapter		= qla24xx_reset_adapter,
2364 	.nvram_config		= qla81xx_nvram_config,
2365 	.update_fw_options	= qla24xx_update_fw_options,
2366 	.load_risc		= qla82xx_load_risc,
2367 	.pci_info_str		= qla24xx_pci_info_str,
2368 	.fw_version_str		= qla24xx_fw_version_str,
2369 	.intr_handler		= qla82xx_intr_handler,
2370 	.enable_intrs		= qla82xx_enable_intrs,
2371 	.disable_intrs		= qla82xx_disable_intrs,
2372 	.abort_command		= qla24xx_abort_command,
2373 	.target_reset		= qla24xx_abort_target,
2374 	.lun_reset		= qla24xx_lun_reset,
2375 	.fabric_login		= qla24xx_login_fabric,
2376 	.fabric_logout		= qla24xx_fabric_logout,
2377 	.calc_req_entries	= NULL,
2378 	.build_iocbs		= NULL,
2379 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2380 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2381 	.read_nvram		= qla24xx_read_nvram_data,
2382 	.write_nvram		= qla24xx_write_nvram_data,
2383 	.fw_dump		= qla82xx_fw_dump,
2384 	.beacon_on		= qla82xx_beacon_on,
2385 	.beacon_off		= qla82xx_beacon_off,
2386 	.beacon_blink		= NULL,
2387 	.read_optrom		= qla82xx_read_optrom_data,
2388 	.write_optrom		= qla82xx_write_optrom_data,
2389 	.get_flash_version	= qla82xx_get_flash_version,
2390 	.start_scsi             = qla82xx_start_scsi,
2391 	.start_scsi_mq          = NULL,
2392 	.abort_isp		= qla82xx_abort_isp,
2393 	.iospace_config     	= qla82xx_iospace_config,
2394 	.initialize_adapter	= qla2x00_initialize_adapter,
2395 };
2396 
2397 static struct isp_operations qla8044_isp_ops = {
2398 	.pci_config		= qla82xx_pci_config,
2399 	.reset_chip		= qla82xx_reset_chip,
2400 	.chip_diag		= qla24xx_chip_diag,
2401 	.config_rings		= qla82xx_config_rings,
2402 	.reset_adapter		= qla24xx_reset_adapter,
2403 	.nvram_config		= qla81xx_nvram_config,
2404 	.update_fw_options	= qla24xx_update_fw_options,
2405 	.load_risc		= qla82xx_load_risc,
2406 	.pci_info_str		= qla24xx_pci_info_str,
2407 	.fw_version_str		= qla24xx_fw_version_str,
2408 	.intr_handler		= qla8044_intr_handler,
2409 	.enable_intrs		= qla82xx_enable_intrs,
2410 	.disable_intrs		= qla82xx_disable_intrs,
2411 	.abort_command		= qla24xx_abort_command,
2412 	.target_reset		= qla24xx_abort_target,
2413 	.lun_reset		= qla24xx_lun_reset,
2414 	.fabric_login		= qla24xx_login_fabric,
2415 	.fabric_logout		= qla24xx_fabric_logout,
2416 	.calc_req_entries	= NULL,
2417 	.build_iocbs		= NULL,
2418 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2419 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2420 	.read_nvram		= NULL,
2421 	.write_nvram		= NULL,
2422 	.fw_dump		= qla8044_fw_dump,
2423 	.beacon_on		= qla82xx_beacon_on,
2424 	.beacon_off		= qla82xx_beacon_off,
2425 	.beacon_blink		= NULL,
2426 	.read_optrom		= qla8044_read_optrom_data,
2427 	.write_optrom		= qla8044_write_optrom_data,
2428 	.get_flash_version	= qla82xx_get_flash_version,
2429 	.start_scsi             = qla82xx_start_scsi,
2430 	.start_scsi_mq          = NULL,
2431 	.abort_isp		= qla8044_abort_isp,
2432 	.iospace_config		= qla82xx_iospace_config,
2433 	.initialize_adapter	= qla2x00_initialize_adapter,
2434 };
2435 
2436 static struct isp_operations qla83xx_isp_ops = {
2437 	.pci_config		= qla25xx_pci_config,
2438 	.reset_chip		= qla24xx_reset_chip,
2439 	.chip_diag		= qla24xx_chip_diag,
2440 	.config_rings		= qla24xx_config_rings,
2441 	.reset_adapter		= qla24xx_reset_adapter,
2442 	.nvram_config		= qla81xx_nvram_config,
2443 	.update_fw_options	= qla81xx_update_fw_options,
2444 	.load_risc		= qla81xx_load_risc,
2445 	.pci_info_str		= qla24xx_pci_info_str,
2446 	.fw_version_str		= qla24xx_fw_version_str,
2447 	.intr_handler		= qla24xx_intr_handler,
2448 	.enable_intrs		= qla24xx_enable_intrs,
2449 	.disable_intrs		= qla24xx_disable_intrs,
2450 	.abort_command		= qla24xx_abort_command,
2451 	.target_reset		= qla24xx_abort_target,
2452 	.lun_reset		= qla24xx_lun_reset,
2453 	.fabric_login		= qla24xx_login_fabric,
2454 	.fabric_logout		= qla24xx_fabric_logout,
2455 	.calc_req_entries	= NULL,
2456 	.build_iocbs		= NULL,
2457 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2458 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2459 	.read_nvram		= NULL,
2460 	.write_nvram		= NULL,
2461 	.fw_dump		= qla83xx_fw_dump,
2462 	.beacon_on		= qla24xx_beacon_on,
2463 	.beacon_off		= qla24xx_beacon_off,
2464 	.beacon_blink		= qla83xx_beacon_blink,
2465 	.read_optrom		= qla25xx_read_optrom_data,
2466 	.write_optrom		= qla24xx_write_optrom_data,
2467 	.get_flash_version	= qla24xx_get_flash_version,
2468 	.start_scsi		= qla24xx_dif_start_scsi,
2469 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2470 	.abort_isp		= qla2x00_abort_isp,
2471 	.iospace_config		= qla83xx_iospace_config,
2472 	.initialize_adapter	= qla2x00_initialize_adapter,
2473 };
2474 
2475 static struct isp_operations qlafx00_isp_ops = {
2476 	.pci_config		= qlafx00_pci_config,
2477 	.reset_chip		= qlafx00_soft_reset,
2478 	.chip_diag		= qlafx00_chip_diag,
2479 	.config_rings		= qlafx00_config_rings,
2480 	.reset_adapter		= qlafx00_soft_reset,
2481 	.nvram_config		= NULL,
2482 	.update_fw_options	= NULL,
2483 	.load_risc		= NULL,
2484 	.pci_info_str		= qlafx00_pci_info_str,
2485 	.fw_version_str		= qlafx00_fw_version_str,
2486 	.intr_handler		= qlafx00_intr_handler,
2487 	.enable_intrs		= qlafx00_enable_intrs,
2488 	.disable_intrs		= qlafx00_disable_intrs,
2489 	.abort_command		= qla24xx_async_abort_command,
2490 	.target_reset		= qlafx00_abort_target,
2491 	.lun_reset		= qlafx00_lun_reset,
2492 	.fabric_login		= NULL,
2493 	.fabric_logout		= NULL,
2494 	.calc_req_entries	= NULL,
2495 	.build_iocbs		= NULL,
2496 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2497 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2498 	.read_nvram		= qla24xx_read_nvram_data,
2499 	.write_nvram		= qla24xx_write_nvram_data,
2500 	.fw_dump		= NULL,
2501 	.beacon_on		= qla24xx_beacon_on,
2502 	.beacon_off		= qla24xx_beacon_off,
2503 	.beacon_blink		= NULL,
2504 	.read_optrom		= qla24xx_read_optrom_data,
2505 	.write_optrom		= qla24xx_write_optrom_data,
2506 	.get_flash_version	= qla24xx_get_flash_version,
2507 	.start_scsi		= qlafx00_start_scsi,
2508 	.start_scsi_mq          = NULL,
2509 	.abort_isp		= qlafx00_abort_isp,
2510 	.iospace_config		= qlafx00_iospace_config,
2511 	.initialize_adapter	= qlafx00_initialize_adapter,
2512 };
2513 
2514 static struct isp_operations qla27xx_isp_ops = {
2515 	.pci_config		= qla25xx_pci_config,
2516 	.reset_chip		= qla24xx_reset_chip,
2517 	.chip_diag		= qla24xx_chip_diag,
2518 	.config_rings		= qla24xx_config_rings,
2519 	.reset_adapter		= qla24xx_reset_adapter,
2520 	.nvram_config		= qla81xx_nvram_config,
2521 	.update_fw_options	= qla81xx_update_fw_options,
2522 	.load_risc		= qla81xx_load_risc,
2523 	.pci_info_str		= qla24xx_pci_info_str,
2524 	.fw_version_str		= qla24xx_fw_version_str,
2525 	.intr_handler		= qla24xx_intr_handler,
2526 	.enable_intrs		= qla24xx_enable_intrs,
2527 	.disable_intrs		= qla24xx_disable_intrs,
2528 	.abort_command		= qla24xx_abort_command,
2529 	.target_reset		= qla24xx_abort_target,
2530 	.lun_reset		= qla24xx_lun_reset,
2531 	.fabric_login		= qla24xx_login_fabric,
2532 	.fabric_logout		= qla24xx_fabric_logout,
2533 	.calc_req_entries	= NULL,
2534 	.build_iocbs		= NULL,
2535 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2536 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2537 	.read_nvram		= NULL,
2538 	.write_nvram		= NULL,
2539 	.fw_dump		= qla27xx_fwdump,
2540 	.beacon_on		= qla24xx_beacon_on,
2541 	.beacon_off		= qla24xx_beacon_off,
2542 	.beacon_blink		= qla83xx_beacon_blink,
2543 	.read_optrom		= qla25xx_read_optrom_data,
2544 	.write_optrom		= qla24xx_write_optrom_data,
2545 	.get_flash_version	= qla24xx_get_flash_version,
2546 	.start_scsi		= qla24xx_dif_start_scsi,
2547 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2548 	.abort_isp		= qla2x00_abort_isp,
2549 	.iospace_config		= qla83xx_iospace_config,
2550 	.initialize_adapter	= qla2x00_initialize_adapter,
2551 };
2552 
2553 static inline void
2554 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2555 {
2556 	ha->device_type = DT_EXTENDED_IDS;
2557 	switch (ha->pdev->device) {
2558 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2559 		ha->isp_type |= DT_ISP2100;
2560 		ha->device_type &= ~DT_EXTENDED_IDS;
2561 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2562 		break;
2563 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2564 		ha->isp_type |= DT_ISP2200;
2565 		ha->device_type &= ~DT_EXTENDED_IDS;
2566 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2567 		break;
2568 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2569 		ha->isp_type |= DT_ISP2300;
2570 		ha->device_type |= DT_ZIO_SUPPORTED;
2571 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2572 		break;
2573 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2574 		ha->isp_type |= DT_ISP2312;
2575 		ha->device_type |= DT_ZIO_SUPPORTED;
2576 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2577 		break;
2578 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2579 		ha->isp_type |= DT_ISP2322;
2580 		ha->device_type |= DT_ZIO_SUPPORTED;
2581 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2582 		    ha->pdev->subsystem_device == 0x0170)
2583 			ha->device_type |= DT_OEM_001;
2584 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2585 		break;
2586 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2587 		ha->isp_type |= DT_ISP6312;
2588 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2589 		break;
2590 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2591 		ha->isp_type |= DT_ISP6322;
2592 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2593 		break;
2594 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2595 		ha->isp_type |= DT_ISP2422;
2596 		ha->device_type |= DT_ZIO_SUPPORTED;
2597 		ha->device_type |= DT_FWI2;
2598 		ha->device_type |= DT_IIDMA;
2599 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2600 		break;
2601 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2602 		ha->isp_type |= DT_ISP2432;
2603 		ha->device_type |= DT_ZIO_SUPPORTED;
2604 		ha->device_type |= DT_FWI2;
2605 		ha->device_type |= DT_IIDMA;
2606 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2607 		break;
2608 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2609 		ha->isp_type |= DT_ISP8432;
2610 		ha->device_type |= DT_ZIO_SUPPORTED;
2611 		ha->device_type |= DT_FWI2;
2612 		ha->device_type |= DT_IIDMA;
2613 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2614 		break;
2615 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2616 		ha->isp_type |= DT_ISP5422;
2617 		ha->device_type |= DT_FWI2;
2618 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2619 		break;
2620 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2621 		ha->isp_type |= DT_ISP5432;
2622 		ha->device_type |= DT_FWI2;
2623 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2624 		break;
2625 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2626 		ha->isp_type |= DT_ISP2532;
2627 		ha->device_type |= DT_ZIO_SUPPORTED;
2628 		ha->device_type |= DT_FWI2;
2629 		ha->device_type |= DT_IIDMA;
2630 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2631 		break;
2632 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2633 		ha->isp_type |= DT_ISP8001;
2634 		ha->device_type |= DT_ZIO_SUPPORTED;
2635 		ha->device_type |= DT_FWI2;
2636 		ha->device_type |= DT_IIDMA;
2637 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2638 		break;
2639 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2640 		ha->isp_type |= DT_ISP8021;
2641 		ha->device_type |= DT_ZIO_SUPPORTED;
2642 		ha->device_type |= DT_FWI2;
2643 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2644 		/* Initialize 82XX ISP flags */
2645 		qla82xx_init_flags(ha);
2646 		break;
2647 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2648 		ha->isp_type |= DT_ISP8044;
2649 		ha->device_type |= DT_ZIO_SUPPORTED;
2650 		ha->device_type |= DT_FWI2;
2651 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2652 		/* Initialize 82XX ISP flags */
2653 		qla82xx_init_flags(ha);
2654 		break;
2655 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2656 		ha->isp_type |= DT_ISP2031;
2657 		ha->device_type |= DT_ZIO_SUPPORTED;
2658 		ha->device_type |= DT_FWI2;
2659 		ha->device_type |= DT_IIDMA;
2660 		ha->device_type |= DT_T10_PI;
2661 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2662 		break;
2663 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2664 		ha->isp_type |= DT_ISP8031;
2665 		ha->device_type |= DT_ZIO_SUPPORTED;
2666 		ha->device_type |= DT_FWI2;
2667 		ha->device_type |= DT_IIDMA;
2668 		ha->device_type |= DT_T10_PI;
2669 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2670 		break;
2671 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2672 		ha->isp_type |= DT_ISPFX00;
2673 		break;
2674 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2675 		ha->isp_type |= DT_ISP2071;
2676 		ha->device_type |= DT_ZIO_SUPPORTED;
2677 		ha->device_type |= DT_FWI2;
2678 		ha->device_type |= DT_IIDMA;
2679 		ha->device_type |= DT_T10_PI;
2680 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2681 		break;
2682 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2683 		ha->isp_type |= DT_ISP2271;
2684 		ha->device_type |= DT_ZIO_SUPPORTED;
2685 		ha->device_type |= DT_FWI2;
2686 		ha->device_type |= DT_IIDMA;
2687 		ha->device_type |= DT_T10_PI;
2688 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2689 		break;
2690 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2691 		ha->isp_type |= DT_ISP2261;
2692 		ha->device_type |= DT_ZIO_SUPPORTED;
2693 		ha->device_type |= DT_FWI2;
2694 		ha->device_type |= DT_IIDMA;
2695 		ha->device_type |= DT_T10_PI;
2696 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2697 		break;
2698 	}
2699 
2700 	if (IS_QLA82XX(ha))
2701 		ha->port_no = ha->portnum & 1;
2702 	else {
2703 		/* Get adapter physical port no from interrupt pin register. */
2704 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2705 		if (IS_QLA27XX(ha))
2706 			ha->port_no--;
2707 		else
2708 			ha->port_no = !(ha->port_no & 1);
2709 	}
2710 
2711 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2712 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2713 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2714 }
2715 
2716 static void
2717 qla2xxx_scan_start(struct Scsi_Host *shost)
2718 {
2719 	scsi_qla_host_t *vha = shost_priv(shost);
2720 
2721 	if (vha->hw->flags.running_gold_fw)
2722 		return;
2723 
2724 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2725 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2726 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2727 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2728 }
2729 
2730 static int
2731 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2732 {
2733 	scsi_qla_host_t *vha = shost_priv(shost);
2734 
2735 	if (test_bit(UNLOADING, &vha->dpc_flags))
2736 		return 1;
2737 	if (!vha->host)
2738 		return 1;
2739 	if (time > vha->hw->loop_reset_delay * HZ)
2740 		return 1;
2741 
2742 	return atomic_read(&vha->loop_state) == LOOP_READY;
2743 }
2744 
2745 static void qla2x00_iocb_work_fn(struct work_struct *work)
2746 {
2747 	struct scsi_qla_host *vha = container_of(work,
2748 		struct scsi_qla_host, iocb_work);
2749 	struct qla_hw_data *ha = vha->hw;
2750 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2751 	int i = 2;
2752 	unsigned long flags;
2753 
2754 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2755 		return;
2756 
2757 	while (!list_empty(&vha->work_list) && i > 0) {
2758 		qla2x00_do_work(vha);
2759 		i--;
2760 	}
2761 
2762 	spin_lock_irqsave(&vha->work_lock, flags);
2763 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2764 	spin_unlock_irqrestore(&vha->work_lock, flags);
2765 }
2766 
2767 /*
2768  * PCI driver interface
2769  */
2770 static int
2771 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2772 {
2773 	int	ret = -ENODEV;
2774 	struct Scsi_Host *host;
2775 	scsi_qla_host_t *base_vha = NULL;
2776 	struct qla_hw_data *ha;
2777 	char pci_info[30];
2778 	char fw_str[30], wq_name[30];
2779 	struct scsi_host_template *sht;
2780 	int bars, mem_only = 0;
2781 	uint16_t req_length = 0, rsp_length = 0;
2782 	struct req_que *req = NULL;
2783 	struct rsp_que *rsp = NULL;
2784 	int i;
2785 
2786 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2787 	sht = &qla2xxx_driver_template;
2788 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2789 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2790 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2791 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2792 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2793 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2794 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2795 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2796 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2797 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2798 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2799 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2800 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2801 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2802 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2803 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2804 		mem_only = 1;
2805 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2806 		    "Mem only adapter.\n");
2807 	}
2808 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2809 	    "Bars=%d.\n", bars);
2810 
2811 	if (mem_only) {
2812 		if (pci_enable_device_mem(pdev))
2813 			return ret;
2814 	} else {
2815 		if (pci_enable_device(pdev))
2816 			return ret;
2817 	}
2818 
2819 	/* This may fail but that's ok */
2820 	pci_enable_pcie_error_reporting(pdev);
2821 
2822 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2823 	if (!ha) {
2824 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2825 		    "Unable to allocate memory for ha.\n");
2826 		goto disable_device;
2827 	}
2828 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2829 	    "Memory allocated for ha=%p.\n", ha);
2830 	ha->pdev = pdev;
2831 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2832 	spin_lock_init(&ha->tgt.q_full_lock);
2833 	spin_lock_init(&ha->tgt.sess_lock);
2834 	spin_lock_init(&ha->tgt.atio_lock);
2835 
2836 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2837 
2838 	/* Clear our data area */
2839 	ha->bars = bars;
2840 	ha->mem_only = mem_only;
2841 	spin_lock_init(&ha->hardware_lock);
2842 	spin_lock_init(&ha->vport_slock);
2843 	mutex_init(&ha->selflogin_lock);
2844 	mutex_init(&ha->optrom_mutex);
2845 
2846 	/* Set ISP-type information. */
2847 	qla2x00_set_isp_flags(ha);
2848 
2849 	/* Set EEH reset type to fundamental if required by hba */
2850 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2851 	    IS_QLA83XX(ha) || IS_QLA27XX(ha))
2852 		pdev->needs_freset = 1;
2853 
2854 	ha->prev_topology = 0;
2855 	ha->init_cb_size = sizeof(init_cb_t);
2856 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2857 	ha->optrom_size = OPTROM_SIZE_2300;
2858 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2859 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2860 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2861 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2862 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2863 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2864 
2865 	/* Assign ISP specific operations. */
2866 	if (IS_QLA2100(ha)) {
2867 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2868 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2869 		req_length = REQUEST_ENTRY_CNT_2100;
2870 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2871 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2872 		ha->gid_list_info_size = 4;
2873 		ha->flash_conf_off = ~0;
2874 		ha->flash_data_off = ~0;
2875 		ha->nvram_conf_off = ~0;
2876 		ha->nvram_data_off = ~0;
2877 		ha->isp_ops = &qla2100_isp_ops;
2878 	} else if (IS_QLA2200(ha)) {
2879 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2880 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2881 		req_length = REQUEST_ENTRY_CNT_2200;
2882 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2883 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2884 		ha->gid_list_info_size = 4;
2885 		ha->flash_conf_off = ~0;
2886 		ha->flash_data_off = ~0;
2887 		ha->nvram_conf_off = ~0;
2888 		ha->nvram_data_off = ~0;
2889 		ha->isp_ops = &qla2100_isp_ops;
2890 	} else if (IS_QLA23XX(ha)) {
2891 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2892 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2893 		req_length = REQUEST_ENTRY_CNT_2200;
2894 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2895 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2896 		ha->gid_list_info_size = 6;
2897 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2898 			ha->optrom_size = OPTROM_SIZE_2322;
2899 		ha->flash_conf_off = ~0;
2900 		ha->flash_data_off = ~0;
2901 		ha->nvram_conf_off = ~0;
2902 		ha->nvram_data_off = ~0;
2903 		ha->isp_ops = &qla2300_isp_ops;
2904 	} else if (IS_QLA24XX_TYPE(ha)) {
2905 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2906 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2907 		req_length = REQUEST_ENTRY_CNT_24XX;
2908 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2909 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2910 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2911 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2912 		ha->gid_list_info_size = 8;
2913 		ha->optrom_size = OPTROM_SIZE_24XX;
2914 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2915 		ha->isp_ops = &qla24xx_isp_ops;
2916 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2917 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2918 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2919 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2920 	} else if (IS_QLA25XX(ha)) {
2921 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2922 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2923 		req_length = REQUEST_ENTRY_CNT_24XX;
2924 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2925 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2926 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2927 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2928 		ha->gid_list_info_size = 8;
2929 		ha->optrom_size = OPTROM_SIZE_25XX;
2930 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2931 		ha->isp_ops = &qla25xx_isp_ops;
2932 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2933 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2934 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2935 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2936 	} else if (IS_QLA81XX(ha)) {
2937 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2938 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2939 		req_length = REQUEST_ENTRY_CNT_24XX;
2940 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2941 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2942 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2943 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2944 		ha->gid_list_info_size = 8;
2945 		ha->optrom_size = OPTROM_SIZE_81XX;
2946 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2947 		ha->isp_ops = &qla81xx_isp_ops;
2948 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2949 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2950 		ha->nvram_conf_off = ~0;
2951 		ha->nvram_data_off = ~0;
2952 	} else if (IS_QLA82XX(ha)) {
2953 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2954 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2955 		req_length = REQUEST_ENTRY_CNT_82XX;
2956 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2957 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2958 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2959 		ha->gid_list_info_size = 8;
2960 		ha->optrom_size = OPTROM_SIZE_82XX;
2961 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2962 		ha->isp_ops = &qla82xx_isp_ops;
2963 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2964 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2965 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2966 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2967 	} else if (IS_QLA8044(ha)) {
2968 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2969 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2970 		req_length = REQUEST_ENTRY_CNT_82XX;
2971 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2972 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2973 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2974 		ha->gid_list_info_size = 8;
2975 		ha->optrom_size = OPTROM_SIZE_83XX;
2976 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2977 		ha->isp_ops = &qla8044_isp_ops;
2978 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2979 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2980 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2981 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2982 	} else if (IS_QLA83XX(ha)) {
2983 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2984 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2985 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2986 		req_length = REQUEST_ENTRY_CNT_83XX;
2987 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2988 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2989 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2990 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2991 		ha->gid_list_info_size = 8;
2992 		ha->optrom_size = OPTROM_SIZE_83XX;
2993 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2994 		ha->isp_ops = &qla83xx_isp_ops;
2995 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2996 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2997 		ha->nvram_conf_off = ~0;
2998 		ha->nvram_data_off = ~0;
2999 	}  else if (IS_QLAFX00(ha)) {
3000 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3001 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3002 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3003 		req_length = REQUEST_ENTRY_CNT_FX00;
3004 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3005 		ha->isp_ops = &qlafx00_isp_ops;
3006 		ha->port_down_retry_count = 30; /* default value */
3007 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3008 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3009 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3010 		ha->mr.fw_hbt_en = 1;
3011 		ha->mr.host_info_resend = false;
3012 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3013 	} else if (IS_QLA27XX(ha)) {
3014 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3015 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3016 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3017 		req_length = REQUEST_ENTRY_CNT_83XX;
3018 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3019 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3020 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3021 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3022 		ha->gid_list_info_size = 8;
3023 		ha->optrom_size = OPTROM_SIZE_83XX;
3024 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3025 		ha->isp_ops = &qla27xx_isp_ops;
3026 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3027 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3028 		ha->nvram_conf_off = ~0;
3029 		ha->nvram_data_off = ~0;
3030 	}
3031 
3032 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3033 	    "mbx_count=%d, req_length=%d, "
3034 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3035 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3036 	    "max_fibre_devices=%d.\n",
3037 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3038 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3039 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3040 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3041 	    "isp_ops=%p, flash_conf_off=%d, "
3042 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3043 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3044 	    ha->nvram_conf_off, ha->nvram_data_off);
3045 
3046 	/* Configure PCI I/O space */
3047 	ret = ha->isp_ops->iospace_config(ha);
3048 	if (ret)
3049 		goto iospace_config_failed;
3050 
3051 	ql_log_pci(ql_log_info, pdev, 0x001d,
3052 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3053 	    pdev->device, pdev->irq, ha->iobase);
3054 	mutex_init(&ha->vport_lock);
3055 	mutex_init(&ha->mq_lock);
3056 	init_completion(&ha->mbx_cmd_comp);
3057 	complete(&ha->mbx_cmd_comp);
3058 	init_completion(&ha->mbx_intr_comp);
3059 	init_completion(&ha->dcbx_comp);
3060 	init_completion(&ha->lb_portup_comp);
3061 
3062 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3063 
3064 	qla2x00_config_dma_addressing(ha);
3065 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3066 	    "64 Bit addressing is %s.\n",
3067 	    ha->flags.enable_64bit_addressing ? "enable" :
3068 	    "disable");
3069 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3070 	if (ret) {
3071 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3072 		    "Failed to allocate memory for adapter, aborting.\n");
3073 
3074 		goto probe_hw_failed;
3075 	}
3076 
3077 	req->max_q_depth = MAX_Q_DEPTH;
3078 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3079 		req->max_q_depth = ql2xmaxqdepth;
3080 
3081 
3082 	base_vha = qla2x00_create_host(sht, ha);
3083 	if (!base_vha) {
3084 		ret = -ENOMEM;
3085 		goto probe_hw_failed;
3086 	}
3087 
3088 	pci_set_drvdata(pdev, base_vha);
3089 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3090 
3091 	host = base_vha->host;
3092 	base_vha->req = req;
3093 	if (IS_QLA2XXX_MIDTYPE(ha))
3094 		base_vha->mgmt_svr_loop_id =
3095 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3096 	else
3097 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3098 						base_vha->vp_idx;
3099 
3100 	/* Setup fcport template structure. */
3101 	ha->mr.fcport.vha = base_vha;
3102 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3103 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3104 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3105 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3106 	ha->mr.fcport.scan_state = 1;
3107 
3108 	/* Set the SG table size based on ISP type */
3109 	if (!IS_FWI2_CAPABLE(ha)) {
3110 		if (IS_QLA2100(ha))
3111 			host->sg_tablesize = 32;
3112 	} else {
3113 		if (!IS_QLA82XX(ha))
3114 			host->sg_tablesize = QLA_SG_ALL;
3115 	}
3116 	host->max_id = ha->max_fibre_devices;
3117 	host->cmd_per_lun = 3;
3118 	host->unique_id = host->host_no;
3119 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3120 		host->max_cmd_len = 32;
3121 	else
3122 		host->max_cmd_len = MAX_CMDSZ;
3123 	host->max_channel = MAX_BUSES - 1;
3124 	/* Older HBAs support only 16-bit LUNs */
3125 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3126 	    ql2xmaxlun > 0xffff)
3127 		host->max_lun = 0xffff;
3128 	else
3129 		host->max_lun = ql2xmaxlun;
3130 	host->transportt = qla2xxx_transport_template;
3131 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3132 
3133 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3134 	    "max_id=%d this_id=%d "
3135 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3136 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3137 	    host->this_id, host->cmd_per_lun, host->unique_id,
3138 	    host->max_cmd_len, host->max_channel, host->max_lun,
3139 	    host->transportt, sht->vendor_id);
3140 
3141 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3142 
3143 	/* Set up the irqs */
3144 	ret = qla2x00_request_irqs(ha, rsp);
3145 	if (ret)
3146 		goto probe_failed;
3147 
3148 	/* Alloc arrays of request and response ring ptrs */
3149 	ret = qla2x00_alloc_queues(ha, req, rsp);
3150 	if (ret) {
3151 		ql_log(ql_log_fatal, base_vha, 0x003d,
3152 		    "Failed to allocate memory for queue pointers..."
3153 		    "aborting.\n");
3154 		goto probe_failed;
3155 	}
3156 
3157 	if (ha->mqenable) {
3158 		/* number of hardware queues supported by blk/scsi-mq*/
3159 		host->nr_hw_queues = ha->max_qpairs;
3160 
3161 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3162 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3163 	} else {
3164 		if (ql2xnvmeenable) {
3165 			host->nr_hw_queues = ha->max_qpairs;
3166 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3167 			    "FC-NVMe support is enabled, HW queues=%d\n",
3168 			    host->nr_hw_queues);
3169 		} else {
3170 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3171 			    "blk/scsi-mq disabled.\n");
3172 		}
3173 	}
3174 
3175 	qlt_probe_one_stage1(base_vha, ha);
3176 
3177 	pci_save_state(pdev);
3178 
3179 	/* Assign back pointers */
3180 	rsp->req = req;
3181 	req->rsp = rsp;
3182 
3183 	if (IS_QLAFX00(ha)) {
3184 		ha->rsp_q_map[0] = rsp;
3185 		ha->req_q_map[0] = req;
3186 		set_bit(0, ha->req_qid_map);
3187 		set_bit(0, ha->rsp_qid_map);
3188 	}
3189 
3190 	/* FWI2-capable only. */
3191 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3192 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3193 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3194 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3195 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3196 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3197 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3198 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3199 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3200 	}
3201 
3202 	if (IS_QLAFX00(ha)) {
3203 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3204 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3205 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3206 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3207 	}
3208 
3209 	if (IS_P3P_TYPE(ha)) {
3210 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3211 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3212 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3213 	}
3214 
3215 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3216 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3217 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3218 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3219 	    "req->req_q_in=%p req->req_q_out=%p "
3220 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3221 	    req->req_q_in, req->req_q_out,
3222 	    rsp->rsp_q_in, rsp->rsp_q_out);
3223 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3224 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3225 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3226 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3227 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3228 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3229 
3230 	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3231 
3232 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3233 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3234 		    "Failed to initialize adapter - Adapter flags %x.\n",
3235 		    base_vha->device_flags);
3236 
3237 		if (IS_QLA82XX(ha)) {
3238 			qla82xx_idc_lock(ha);
3239 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3240 				QLA8XXX_DEV_FAILED);
3241 			qla82xx_idc_unlock(ha);
3242 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3243 			    "HW State: FAILED.\n");
3244 		} else if (IS_QLA8044(ha)) {
3245 			qla8044_idc_lock(ha);
3246 			qla8044_wr_direct(base_vha,
3247 				QLA8044_CRB_DEV_STATE_INDEX,
3248 				QLA8XXX_DEV_FAILED);
3249 			qla8044_idc_unlock(ha);
3250 			ql_log(ql_log_fatal, base_vha, 0x0150,
3251 			    "HW State: FAILED.\n");
3252 		}
3253 
3254 		ret = -ENODEV;
3255 		goto probe_failed;
3256 	}
3257 
3258 	if (IS_QLAFX00(ha))
3259 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3260 	else
3261 		host->can_queue = req->num_outstanding_cmds - 10;
3262 
3263 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3264 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3265 	    host->can_queue, base_vha->req,
3266 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3267 
3268 	if (ha->mqenable) {
3269 		bool startit = false;
3270 
3271 		if (QLA_TGT_MODE_ENABLED())
3272 			startit = false;
3273 
3274 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3275 			startit = true;
3276 
3277 		/* Create start of day qpairs for Block MQ */
3278 		for (i = 0; i < ha->max_qpairs; i++)
3279 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3280 	}
3281 
3282 	if (ha->flags.running_gold_fw)
3283 		goto skip_dpc;
3284 
3285 	/*
3286 	 * Startup the kernel thread for this host adapter
3287 	 */
3288 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3289 	    "%s_dpc", base_vha->host_str);
3290 	if (IS_ERR(ha->dpc_thread)) {
3291 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3292 		    "Failed to start DPC thread.\n");
3293 		ret = PTR_ERR(ha->dpc_thread);
3294 		ha->dpc_thread = NULL;
3295 		goto probe_failed;
3296 	}
3297 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3298 	    "DPC thread started successfully.\n");
3299 
3300 	/*
3301 	 * If we're not coming up in initiator mode, we might sit for
3302 	 * a while without waking up the dpc thread, which leads to a
3303 	 * stuck process warning.  So just kick the dpc once here and
3304 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3305 	 */
3306 	qla2xxx_wake_dpc(base_vha);
3307 
3308 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3309 
3310 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3311 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3312 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3313 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3314 
3315 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3316 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3317 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3318 		INIT_WORK(&ha->idc_state_handler,
3319 		    qla83xx_idc_state_handler_work);
3320 		INIT_WORK(&ha->nic_core_unrecoverable,
3321 		    qla83xx_nic_core_unrecoverable_work);
3322 	}
3323 
3324 skip_dpc:
3325 	list_add_tail(&base_vha->list, &ha->vp_list);
3326 	base_vha->host->irq = ha->pdev->irq;
3327 
3328 	/* Initialized the timer */
3329 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3330 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3331 	    "Started qla2x00_timer with "
3332 	    "interval=%d.\n", WATCH_INTERVAL);
3333 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3334 	    "Detected hba at address=%p.\n",
3335 	    ha);
3336 
3337 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3338 		if (ha->fw_attributes & BIT_4) {
3339 			int prot = 0, guard;
3340 			base_vha->flags.difdix_supported = 1;
3341 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3342 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3343 			if (ql2xenabledif == 1)
3344 				prot = SHOST_DIX_TYPE0_PROTECTION;
3345 			scsi_host_set_prot(host,
3346 			    prot | SHOST_DIF_TYPE1_PROTECTION
3347 			    | SHOST_DIF_TYPE2_PROTECTION
3348 			    | SHOST_DIF_TYPE3_PROTECTION
3349 			    | SHOST_DIX_TYPE1_PROTECTION
3350 			    | SHOST_DIX_TYPE2_PROTECTION
3351 			    | SHOST_DIX_TYPE3_PROTECTION);
3352 
3353 			guard = SHOST_DIX_GUARD_CRC;
3354 
3355 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3356 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3357 				guard |= SHOST_DIX_GUARD_IP;
3358 
3359 			scsi_host_set_guard(host, guard);
3360 		} else
3361 			base_vha->flags.difdix_supported = 0;
3362 	}
3363 
3364 	ha->isp_ops->enable_intrs(ha);
3365 
3366 	if (IS_QLAFX00(ha)) {
3367 		ret = qlafx00_fx_disc(base_vha,
3368 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3369 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3370 		    QLA_SG_ALL : 128;
3371 	}
3372 
3373 	ret = scsi_add_host(host, &pdev->dev);
3374 	if (ret)
3375 		goto probe_failed;
3376 
3377 	base_vha->flags.init_done = 1;
3378 	base_vha->flags.online = 1;
3379 	ha->prev_minidump_failed = 0;
3380 
3381 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3382 	    "Init done and hba is online.\n");
3383 
3384 	if (qla_ini_mode_enabled(base_vha) ||
3385 		qla_dual_mode_enabled(base_vha))
3386 		scsi_scan_host(host);
3387 	else
3388 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3389 			"skipping scsi_scan_host() for non-initiator port\n");
3390 
3391 	qla2x00_alloc_sysfs_attr(base_vha);
3392 
3393 	if (IS_QLAFX00(ha)) {
3394 		ret = qlafx00_fx_disc(base_vha,
3395 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3396 
3397 		/* Register system information */
3398 		ret =  qlafx00_fx_disc(base_vha,
3399 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3400 	}
3401 
3402 	qla2x00_init_host_attr(base_vha);
3403 
3404 	qla2x00_dfs_setup(base_vha);
3405 
3406 	ql_log(ql_log_info, base_vha, 0x00fb,
3407 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3408 	ql_log(ql_log_info, base_vha, 0x00fc,
3409 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3410 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
3411 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3412 	    base_vha->host_no,
3413 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3414 
3415 	qlt_add_target(ha, base_vha);
3416 
3417 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3418 
3419 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3420 		return -ENODEV;
3421 
3422 	if (ha->flags.detected_lr_sfp) {
3423 		ql_log(ql_log_info, base_vha, 0xffff,
3424 		    "Reset chip to pick up LR SFP setting\n");
3425 		set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
3426 		qla2xxx_wake_dpc(base_vha);
3427 	}
3428 
3429 	return 0;
3430 
3431 probe_failed:
3432 	if (base_vha->timer_active)
3433 		qla2x00_stop_timer(base_vha);
3434 	base_vha->flags.online = 0;
3435 	if (ha->dpc_thread) {
3436 		struct task_struct *t = ha->dpc_thread;
3437 
3438 		ha->dpc_thread = NULL;
3439 		kthread_stop(t);
3440 	}
3441 
3442 	qla2x00_free_device(base_vha);
3443 	scsi_host_put(base_vha->host);
3444 	/*
3445 	 * Need to NULL out local req/rsp after
3446 	 * qla2x00_free_device => qla2x00_free_queues frees
3447 	 * what these are pointing to. Or else we'll
3448 	 * fall over below in qla2x00_free_req/rsp_que.
3449 	 */
3450 	req = NULL;
3451 	rsp = NULL;
3452 
3453 probe_hw_failed:
3454 	qla2x00_mem_free(ha);
3455 	qla2x00_free_req_que(ha, req);
3456 	qla2x00_free_rsp_que(ha, rsp);
3457 	qla2x00_clear_drv_active(ha);
3458 
3459 iospace_config_failed:
3460 	if (IS_P3P_TYPE(ha)) {
3461 		if (!ha->nx_pcibase)
3462 			iounmap((device_reg_t *)ha->nx_pcibase);
3463 		if (!ql2xdbwr)
3464 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3465 	} else {
3466 		if (ha->iobase)
3467 			iounmap(ha->iobase);
3468 		if (ha->cregbase)
3469 			iounmap(ha->cregbase);
3470 	}
3471 	pci_release_selected_regions(ha->pdev, ha->bars);
3472 	kfree(ha);
3473 
3474 disable_device:
3475 	pci_disable_device(pdev);
3476 	return ret;
3477 }
3478 
3479 static void
3480 qla2x00_shutdown(struct pci_dev *pdev)
3481 {
3482 	scsi_qla_host_t *vha;
3483 	struct qla_hw_data  *ha;
3484 
3485 	vha = pci_get_drvdata(pdev);
3486 	ha = vha->hw;
3487 
3488 	ql_log(ql_log_info, vha, 0xfffa,
3489 		"Adapter shutdown\n");
3490 
3491 	/*
3492 	 * Prevent future board_disable and wait
3493 	 * until any pending board_disable has completed.
3494 	 */
3495 	set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
3496 	cancel_work_sync(&ha->board_disable);
3497 
3498 	if (!atomic_read(&pdev->enable_cnt))
3499 		return;
3500 
3501 	/* Notify ISPFX00 firmware */
3502 	if (IS_QLAFX00(ha))
3503 		qlafx00_driver_shutdown(vha, 20);
3504 
3505 	/* Turn-off FCE trace */
3506 	if (ha->flags.fce_enabled) {
3507 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3508 		ha->flags.fce_enabled = 0;
3509 	}
3510 
3511 	/* Turn-off EFT trace */
3512 	if (ha->eft)
3513 		qla2x00_disable_eft_trace(vha);
3514 
3515 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3516 		if (ha->flags.fw_started)
3517 			qla2x00_abort_isp_cleanup(vha);
3518 	} else {
3519 		/* Stop currently executing firmware. */
3520 		qla2x00_try_to_stop_firmware(vha);
3521 	}
3522 
3523 	/* Turn adapter off line */
3524 	vha->flags.online = 0;
3525 
3526 	/* turn-off interrupts on the card */
3527 	if (ha->interrupts_on) {
3528 		vha->flags.init_done = 0;
3529 		ha->isp_ops->disable_intrs(ha);
3530 	}
3531 
3532 	qla2x00_free_irqs(vha);
3533 
3534 	qla2x00_free_fw_dump(ha);
3535 
3536 	pci_disable_device(pdev);
3537 	ql_log(ql_log_info, vha, 0xfffe,
3538 		"Adapter shutdown successfully.\n");
3539 }
3540 
3541 /* Deletes all the virtual ports for a given ha */
3542 static void
3543 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3544 {
3545 	scsi_qla_host_t *vha;
3546 	unsigned long flags;
3547 
3548 	mutex_lock(&ha->vport_lock);
3549 	while (ha->cur_vport_count) {
3550 		spin_lock_irqsave(&ha->vport_slock, flags);
3551 
3552 		BUG_ON(base_vha->list.next == &ha->vp_list);
3553 		/* This assumes first entry in ha->vp_list is always base vha */
3554 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3555 		scsi_host_get(vha->host);
3556 
3557 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3558 		mutex_unlock(&ha->vport_lock);
3559 
3560 		qla_nvme_delete(vha);
3561 
3562 		fc_vport_terminate(vha->fc_vport);
3563 		scsi_host_put(vha->host);
3564 
3565 		mutex_lock(&ha->vport_lock);
3566 	}
3567 	mutex_unlock(&ha->vport_lock);
3568 }
3569 
3570 /* Stops all deferred work threads */
3571 static void
3572 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3573 {
3574 	/* Cancel all work and destroy DPC workqueues */
3575 	if (ha->dpc_lp_wq) {
3576 		cancel_work_sync(&ha->idc_aen);
3577 		destroy_workqueue(ha->dpc_lp_wq);
3578 		ha->dpc_lp_wq = NULL;
3579 	}
3580 
3581 	if (ha->dpc_hp_wq) {
3582 		cancel_work_sync(&ha->nic_core_reset);
3583 		cancel_work_sync(&ha->idc_state_handler);
3584 		cancel_work_sync(&ha->nic_core_unrecoverable);
3585 		destroy_workqueue(ha->dpc_hp_wq);
3586 		ha->dpc_hp_wq = NULL;
3587 	}
3588 
3589 	/* Kill the kernel thread for this host */
3590 	if (ha->dpc_thread) {
3591 		struct task_struct *t = ha->dpc_thread;
3592 
3593 		/*
3594 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3595 		 * so we need to zero it out.
3596 		 */
3597 		ha->dpc_thread = NULL;
3598 		kthread_stop(t);
3599 	}
3600 }
3601 
3602 static void
3603 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3604 {
3605 	if (IS_QLA82XX(ha)) {
3606 
3607 		iounmap((device_reg_t *)ha->nx_pcibase);
3608 		if (!ql2xdbwr)
3609 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3610 	} else {
3611 		if (ha->iobase)
3612 			iounmap(ha->iobase);
3613 
3614 		if (ha->cregbase)
3615 			iounmap(ha->cregbase);
3616 
3617 		if (ha->mqiobase)
3618 			iounmap(ha->mqiobase);
3619 
3620 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3621 			iounmap(ha->msixbase);
3622 	}
3623 }
3624 
3625 static void
3626 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3627 {
3628 	if (IS_QLA8044(ha)) {
3629 		qla8044_idc_lock(ha);
3630 		qla8044_clear_drv_active(ha);
3631 		qla8044_idc_unlock(ha);
3632 	} else if (IS_QLA82XX(ha)) {
3633 		qla82xx_idc_lock(ha);
3634 		qla82xx_clear_drv_active(ha);
3635 		qla82xx_idc_unlock(ha);
3636 	}
3637 }
3638 
3639 static void
3640 qla2x00_remove_one(struct pci_dev *pdev)
3641 {
3642 	scsi_qla_host_t *base_vha;
3643 	struct qla_hw_data  *ha;
3644 
3645 	base_vha = pci_get_drvdata(pdev);
3646 	ha = base_vha->hw;
3647 	ql_log(ql_log_info, base_vha, 0xb079,
3648 	    "Removing driver\n");
3649 
3650 	/* Indicate device removal to prevent future board_disable and wait
3651 	 * until any pending board_disable has completed. */
3652 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3653 	cancel_work_sync(&ha->board_disable);
3654 
3655 	/*
3656 	 * If the PCI device is disabled then there was a PCI-disconnect and
3657 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3658 	 * resources.
3659 	 */
3660 	if (!atomic_read(&pdev->enable_cnt)) {
3661 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3662 		    base_vha->gnl.l, base_vha->gnl.ldma);
3663 
3664 		scsi_host_put(base_vha->host);
3665 		kfree(ha);
3666 		pci_set_drvdata(pdev, NULL);
3667 		return;
3668 	}
3669 	qla2x00_wait_for_hba_ready(base_vha);
3670 
3671 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3672 		if (ha->flags.fw_started)
3673 			qla2x00_abort_isp_cleanup(base_vha);
3674 	} else if (!IS_QLAFX00(ha)) {
3675 		if (IS_QLA8031(ha)) {
3676 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3677 			    "Clearing fcoe driver presence.\n");
3678 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3679 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3680 				    "Error while clearing DRV-Presence.\n");
3681 		}
3682 
3683 		qla2x00_try_to_stop_firmware(base_vha);
3684 	}
3685 
3686 	qla2x00_wait_for_sess_deletion(base_vha);
3687 
3688 	/*
3689 	 * if UNLOAD flag is already set, then continue unload,
3690 	 * where it was set first.
3691 	 */
3692 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3693 		return;
3694 
3695 	set_bit(UNLOADING, &base_vha->dpc_flags);
3696 
3697 	qla_nvme_delete(base_vha);
3698 
3699 	dma_free_coherent(&ha->pdev->dev,
3700 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3701 
3702 	vfree(base_vha->scan.l);
3703 
3704 	if (IS_QLAFX00(ha))
3705 		qlafx00_driver_shutdown(base_vha, 20);
3706 
3707 	qla2x00_delete_all_vps(ha, base_vha);
3708 
3709 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3710 
3711 	qla2x00_dfs_remove(base_vha);
3712 
3713 	qla84xx_put_chip(base_vha);
3714 
3715 	/* Disable timer */
3716 	if (base_vha->timer_active)
3717 		qla2x00_stop_timer(base_vha);
3718 
3719 	base_vha->flags.online = 0;
3720 
3721 	/* free DMA memory */
3722 	if (ha->exlogin_buf)
3723 		qla2x00_free_exlogin_buffer(ha);
3724 
3725 	/* free DMA memory */
3726 	if (ha->exchoffld_buf)
3727 		qla2x00_free_exchoffld_buffer(ha);
3728 
3729 	qla2x00_destroy_deferred_work(ha);
3730 
3731 	qlt_remove_target(ha, base_vha);
3732 
3733 	qla2x00_free_sysfs_attr(base_vha, true);
3734 
3735 	fc_remove_host(base_vha->host);
3736 	qlt_remove_target_resources(ha);
3737 
3738 	scsi_remove_host(base_vha->host);
3739 
3740 	qla2x00_free_device(base_vha);
3741 
3742 	qla2x00_clear_drv_active(ha);
3743 
3744 	scsi_host_put(base_vha->host);
3745 
3746 	qla2x00_unmap_iobases(ha);
3747 
3748 	pci_release_selected_regions(ha->pdev, ha->bars);
3749 	kfree(ha);
3750 
3751 	pci_disable_pcie_error_reporting(pdev);
3752 
3753 	pci_disable_device(pdev);
3754 }
3755 
3756 static void
3757 qla2x00_free_device(scsi_qla_host_t *vha)
3758 {
3759 	struct qla_hw_data *ha = vha->hw;
3760 
3761 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3762 
3763 	/* Disable timer */
3764 	if (vha->timer_active)
3765 		qla2x00_stop_timer(vha);
3766 
3767 	qla25xx_delete_queues(vha);
3768 	vha->flags.online = 0;
3769 
3770 	/* turn-off interrupts on the card */
3771 	if (ha->interrupts_on) {
3772 		vha->flags.init_done = 0;
3773 		ha->isp_ops->disable_intrs(ha);
3774 	}
3775 
3776 	qla2x00_free_fcports(vha);
3777 
3778 	qla2x00_free_irqs(vha);
3779 
3780 	/* Flush the work queue and remove it */
3781 	if (ha->wq) {
3782 		flush_workqueue(ha->wq);
3783 		destroy_workqueue(ha->wq);
3784 		ha->wq = NULL;
3785 	}
3786 
3787 
3788 	qla2x00_mem_free(ha);
3789 
3790 	qla82xx_md_free(vha);
3791 
3792 	qla2x00_free_queues(ha);
3793 }
3794 
3795 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3796 {
3797 	fc_port_t *fcport, *tfcport;
3798 
3799 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3800 		list_del(&fcport->list);
3801 		qla2x00_clear_loop_id(fcport);
3802 		kfree(fcport);
3803 	}
3804 }
3805 
3806 static inline void
3807 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3808     int defer)
3809 {
3810 	struct fc_rport *rport;
3811 	scsi_qla_host_t *base_vha;
3812 	unsigned long flags;
3813 
3814 	if (!fcport->rport)
3815 		return;
3816 
3817 	rport = fcport->rport;
3818 	if (defer) {
3819 		base_vha = pci_get_drvdata(vha->hw->pdev);
3820 		spin_lock_irqsave(vha->host->host_lock, flags);
3821 		fcport->drport = rport;
3822 		spin_unlock_irqrestore(vha->host->host_lock, flags);
3823 		qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3824 		set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3825 		qla2xxx_wake_dpc(base_vha);
3826 	} else {
3827 		int now;
3828 		if (rport) {
3829 			ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3830 			    "%s %8phN. rport %p roles %x\n",
3831 			    __func__, fcport->port_name, rport,
3832 			    rport->roles);
3833 			fc_remote_port_delete(rport);
3834 		}
3835 		qlt_do_generation_tick(vha, &now);
3836 	}
3837 }
3838 
3839 /*
3840  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3841  *
3842  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3843  *
3844  * Return: None.
3845  *
3846  * Context:
3847  */
3848 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3849     int do_login, int defer)
3850 {
3851 	if (IS_QLAFX00(vha->hw)) {
3852 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3853 		qla2x00_schedule_rport_del(vha, fcport, defer);
3854 		return;
3855 	}
3856 
3857 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3858 	    vha->vp_idx == fcport->vha->vp_idx) {
3859 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3860 		qla2x00_schedule_rport_del(vha, fcport, defer);
3861 	}
3862 	/*
3863 	 * We may need to retry the login, so don't change the state of the
3864 	 * port but do the retries.
3865 	 */
3866 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3867 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3868 
3869 	if (!do_login)
3870 		return;
3871 
3872 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3873 }
3874 
3875 /*
3876  * qla2x00_mark_all_devices_lost
3877  *	Updates fcport state when device goes offline.
3878  *
3879  * Input:
3880  *	ha = adapter block pointer.
3881  *	fcport = port structure pointer.
3882  *
3883  * Return:
3884  *	None.
3885  *
3886  * Context:
3887  */
3888 void
3889 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3890 {
3891 	fc_port_t *fcport;
3892 
3893 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3894 	    "Mark all dev lost\n");
3895 
3896 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3897 		fcport->scan_state = 0;
3898 		qlt_schedule_sess_for_deletion(fcport);
3899 
3900 		if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3901 			continue;
3902 
3903 		/*
3904 		 * No point in marking the device as lost, if the device is
3905 		 * already DEAD.
3906 		 */
3907 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3908 			continue;
3909 		if (atomic_read(&fcport->state) == FCS_ONLINE) {
3910 			qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3911 			if (defer)
3912 				qla2x00_schedule_rport_del(vha, fcport, defer);
3913 			else if (vha->vp_idx == fcport->vha->vp_idx)
3914 				qla2x00_schedule_rport_del(vha, fcport, defer);
3915 		}
3916 	}
3917 }
3918 
3919 /*
3920 * qla2x00_mem_alloc
3921 *      Allocates adapter memory.
3922 *
3923 * Returns:
3924 *      0  = success.
3925 *      !0  = failure.
3926 */
3927 static int
3928 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3929 	struct req_que **req, struct rsp_que **rsp)
3930 {
3931 	char	name[16];
3932 
3933 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3934 		&ha->init_cb_dma, GFP_KERNEL);
3935 	if (!ha->init_cb)
3936 		goto fail;
3937 
3938 	if (qlt_mem_alloc(ha) < 0)
3939 		goto fail_free_init_cb;
3940 
3941 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3942 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3943 	if (!ha->gid_list)
3944 		goto fail_free_tgt_mem;
3945 
3946 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3947 	if (!ha->srb_mempool)
3948 		goto fail_free_gid_list;
3949 
3950 	if (IS_P3P_TYPE(ha)) {
3951 		/* Allocate cache for CT6 Ctx. */
3952 		if (!ctx_cachep) {
3953 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3954 				sizeof(struct ct6_dsd), 0,
3955 				SLAB_HWCACHE_ALIGN, NULL);
3956 			if (!ctx_cachep)
3957 				goto fail_free_srb_mempool;
3958 		}
3959 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3960 			ctx_cachep);
3961 		if (!ha->ctx_mempool)
3962 			goto fail_free_srb_mempool;
3963 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3964 		    "ctx_cachep=%p ctx_mempool=%p.\n",
3965 		    ctx_cachep, ha->ctx_mempool);
3966 	}
3967 
3968 	/* Get memory for cached NVRAM */
3969 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3970 	if (!ha->nvram)
3971 		goto fail_free_ctx_mempool;
3972 
3973 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3974 		ha->pdev->device);
3975 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3976 		DMA_POOL_SIZE, 8, 0);
3977 	if (!ha->s_dma_pool)
3978 		goto fail_free_nvram;
3979 
3980 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3981 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3982 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3983 
3984 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3985 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3986 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
3987 		if (!ha->dl_dma_pool) {
3988 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3989 			    "Failed to allocate memory for dl_dma_pool.\n");
3990 			goto fail_s_dma_pool;
3991 		}
3992 
3993 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3994 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
3995 		if (!ha->fcp_cmnd_dma_pool) {
3996 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3997 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3998 			goto fail_dl_dma_pool;
3999 		}
4000 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4001 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
4002 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
4003 	}
4004 
4005 	/* Allocate memory for SNS commands */
4006 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4007 	/* Get consistent memory allocated for SNS commands */
4008 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4009 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4010 		if (!ha->sns_cmd)
4011 			goto fail_dma_pool;
4012 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4013 		    "sns_cmd: %p.\n", ha->sns_cmd);
4014 	} else {
4015 	/* Get consistent memory allocated for MS IOCB */
4016 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4017 			&ha->ms_iocb_dma);
4018 		if (!ha->ms_iocb)
4019 			goto fail_dma_pool;
4020 	/* Get consistent memory allocated for CT SNS commands */
4021 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4022 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4023 		if (!ha->ct_sns)
4024 			goto fail_free_ms_iocb;
4025 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4026 		    "ms_iocb=%p ct_sns=%p.\n",
4027 		    ha->ms_iocb, ha->ct_sns);
4028 	}
4029 
4030 	/* Allocate memory for request ring */
4031 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4032 	if (!*req) {
4033 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4034 		    "Failed to allocate memory for req.\n");
4035 		goto fail_req;
4036 	}
4037 	(*req)->length = req_len;
4038 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4039 		((*req)->length + 1) * sizeof(request_t),
4040 		&(*req)->dma, GFP_KERNEL);
4041 	if (!(*req)->ring) {
4042 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4043 		    "Failed to allocate memory for req_ring.\n");
4044 		goto fail_req_ring;
4045 	}
4046 	/* Allocate memory for response ring */
4047 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4048 	if (!*rsp) {
4049 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4050 		    "Failed to allocate memory for rsp.\n");
4051 		goto fail_rsp;
4052 	}
4053 	(*rsp)->hw = ha;
4054 	(*rsp)->length = rsp_len;
4055 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4056 		((*rsp)->length + 1) * sizeof(response_t),
4057 		&(*rsp)->dma, GFP_KERNEL);
4058 	if (!(*rsp)->ring) {
4059 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4060 		    "Failed to allocate memory for rsp_ring.\n");
4061 		goto fail_rsp_ring;
4062 	}
4063 	(*req)->rsp = *rsp;
4064 	(*rsp)->req = *req;
4065 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4066 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4067 	    "rsp->length=%d rsp->ring=%p.\n",
4068 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4069 	    (*rsp)->ring);
4070 	/* Allocate memory for NVRAM data for vports */
4071 	if (ha->nvram_npiv_size) {
4072 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4073 					sizeof(struct qla_npiv_entry),
4074 					GFP_KERNEL);
4075 		if (!ha->npiv_info) {
4076 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4077 			    "Failed to allocate memory for npiv_info.\n");
4078 			goto fail_npiv_info;
4079 		}
4080 	} else
4081 		ha->npiv_info = NULL;
4082 
4083 	/* Get consistent memory allocated for EX-INIT-CB. */
4084 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
4085 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4086 		    &ha->ex_init_cb_dma);
4087 		if (!ha->ex_init_cb)
4088 			goto fail_ex_init_cb;
4089 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4090 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4091 	}
4092 
4093 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4094 
4095 	/* Get consistent memory allocated for Async Port-Database. */
4096 	if (!IS_FWI2_CAPABLE(ha)) {
4097 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4098 			&ha->async_pd_dma);
4099 		if (!ha->async_pd)
4100 			goto fail_async_pd;
4101 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4102 		    "async_pd=%p.\n", ha->async_pd);
4103 	}
4104 
4105 	INIT_LIST_HEAD(&ha->vp_list);
4106 
4107 	/* Allocate memory for our loop_id bitmap */
4108 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4109 				  sizeof(long),
4110 				  GFP_KERNEL);
4111 	if (!ha->loop_id_map)
4112 		goto fail_loop_id_map;
4113 	else {
4114 		qla2x00_set_reserved_loop_ids(ha);
4115 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4116 		    "loop_id_map=%p.\n", ha->loop_id_map);
4117 	}
4118 
4119 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4120 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4121 	if (!ha->sfp_data) {
4122 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4123 		    "Unable to allocate memory for SFP read-data.\n");
4124 		goto fail_sfp_data;
4125 	}
4126 
4127 	return 0;
4128 
4129 fail_sfp_data:
4130 	kfree(ha->loop_id_map);
4131 fail_loop_id_map:
4132 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4133 fail_async_pd:
4134 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4135 fail_ex_init_cb:
4136 	kfree(ha->npiv_info);
4137 fail_npiv_info:
4138 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4139 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4140 	(*rsp)->ring = NULL;
4141 	(*rsp)->dma = 0;
4142 fail_rsp_ring:
4143 	kfree(*rsp);
4144 	*rsp = NULL;
4145 fail_rsp:
4146 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4147 		sizeof(request_t), (*req)->ring, (*req)->dma);
4148 	(*req)->ring = NULL;
4149 	(*req)->dma = 0;
4150 fail_req_ring:
4151 	kfree(*req);
4152 	*req = NULL;
4153 fail_req:
4154 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4155 		ha->ct_sns, ha->ct_sns_dma);
4156 	ha->ct_sns = NULL;
4157 	ha->ct_sns_dma = 0;
4158 fail_free_ms_iocb:
4159 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4160 	ha->ms_iocb = NULL;
4161 	ha->ms_iocb_dma = 0;
4162 
4163 	if (ha->sns_cmd)
4164 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4165 		    ha->sns_cmd, ha->sns_cmd_dma);
4166 fail_dma_pool:
4167 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4168 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4169 		ha->fcp_cmnd_dma_pool = NULL;
4170 	}
4171 fail_dl_dma_pool:
4172 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4173 		dma_pool_destroy(ha->dl_dma_pool);
4174 		ha->dl_dma_pool = NULL;
4175 	}
4176 fail_s_dma_pool:
4177 	dma_pool_destroy(ha->s_dma_pool);
4178 	ha->s_dma_pool = NULL;
4179 fail_free_nvram:
4180 	kfree(ha->nvram);
4181 	ha->nvram = NULL;
4182 fail_free_ctx_mempool:
4183 	mempool_destroy(ha->ctx_mempool);
4184 	ha->ctx_mempool = NULL;
4185 fail_free_srb_mempool:
4186 	mempool_destroy(ha->srb_mempool);
4187 	ha->srb_mempool = NULL;
4188 fail_free_gid_list:
4189 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4190 	ha->gid_list,
4191 	ha->gid_list_dma);
4192 	ha->gid_list = NULL;
4193 	ha->gid_list_dma = 0;
4194 fail_free_tgt_mem:
4195 	qlt_mem_free(ha);
4196 fail_free_init_cb:
4197 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4198 	ha->init_cb_dma);
4199 	ha->init_cb = NULL;
4200 	ha->init_cb_dma = 0;
4201 fail:
4202 	ql_log(ql_log_fatal, NULL, 0x0030,
4203 	    "Memory allocation failure.\n");
4204 	return -ENOMEM;
4205 }
4206 
4207 int
4208 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4209 {
4210 	int rval;
4211 	uint16_t	size, max_cnt, temp;
4212 	struct qla_hw_data *ha = vha->hw;
4213 
4214 	/* Return if we don't need to alloacate any extended logins */
4215 	if (!ql2xexlogins)
4216 		return QLA_SUCCESS;
4217 
4218 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4219 		return QLA_SUCCESS;
4220 
4221 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4222 	max_cnt = 0;
4223 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4224 	if (rval != QLA_SUCCESS) {
4225 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4226 		    "Failed to get exlogin status.\n");
4227 		return rval;
4228 	}
4229 
4230 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4231 	temp *= size;
4232 
4233 	if (temp != ha->exlogin_size) {
4234 		qla2x00_free_exlogin_buffer(ha);
4235 		ha->exlogin_size = temp;
4236 
4237 		ql_log(ql_log_info, vha, 0xd024,
4238 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4239 		    max_cnt, size, temp);
4240 
4241 		ql_log(ql_log_info, vha, 0xd025,
4242 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4243 
4244 		/* Get consistent memory for extended logins */
4245 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4246 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4247 		if (!ha->exlogin_buf) {
4248 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4249 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4250 			return -ENOMEM;
4251 		}
4252 	}
4253 
4254 	/* Now configure the dma buffer */
4255 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4256 	if (rval) {
4257 		ql_log(ql_log_fatal, vha, 0xd033,
4258 		    "Setup extended login buffer  ****FAILED****.\n");
4259 		qla2x00_free_exlogin_buffer(ha);
4260 	}
4261 
4262 	return rval;
4263 }
4264 
4265 /*
4266 * qla2x00_free_exlogin_buffer
4267 *
4268 * Input:
4269 *	ha = adapter block pointer
4270 */
4271 void
4272 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4273 {
4274 	if (ha->exlogin_buf) {
4275 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4276 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4277 		ha->exlogin_buf = NULL;
4278 		ha->exlogin_size = 0;
4279 	}
4280 }
4281 
4282 static void
4283 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4284 {
4285 	u32 temp;
4286 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4287 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4288 
4289 	if (max_cnt > vha->hw->max_exchg)
4290 		max_cnt = vha->hw->max_exchg;
4291 
4292 	if (qla_ini_mode_enabled(vha)) {
4293 		if (vha->ql2xiniexchg > max_cnt)
4294 			vha->ql2xiniexchg = max_cnt;
4295 
4296 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4297 			*ret_cnt = vha->ql2xiniexchg;
4298 
4299 	} else if (qla_tgt_mode_enabled(vha)) {
4300 		if (vha->ql2xexchoffld > max_cnt) {
4301 			vha->ql2xexchoffld = max_cnt;
4302 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4303 		}
4304 
4305 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4306 			*ret_cnt = vha->ql2xexchoffld;
4307 	} else if (qla_dual_mode_enabled(vha)) {
4308 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4309 		if (temp > max_cnt) {
4310 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4311 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4312 			temp = max_cnt;
4313 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4314 		}
4315 
4316 		if (temp > FW_DEF_EXCHANGES_CNT)
4317 			*ret_cnt = temp;
4318 	}
4319 }
4320 
4321 int
4322 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4323 {
4324 	int rval;
4325 	u16	size, max_cnt;
4326 	u32 actual_cnt, totsz;
4327 	struct qla_hw_data *ha = vha->hw;
4328 
4329 	if (!ha->flags.exchoffld_enabled)
4330 		return QLA_SUCCESS;
4331 
4332 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4333 		return QLA_SUCCESS;
4334 
4335 	max_cnt = 0;
4336 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4337 	if (rval != QLA_SUCCESS) {
4338 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4339 		    "Failed to get exlogin status.\n");
4340 		return rval;
4341 	}
4342 
4343 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4344 	ql_log(ql_log_info, vha, 0xd014,
4345 	    "Actual exchange offload count: %d.\n", actual_cnt);
4346 
4347 	totsz = actual_cnt * size;
4348 
4349 	if (totsz != ha->exchoffld_size) {
4350 		qla2x00_free_exchoffld_buffer(ha);
4351 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4352 			ha->exchoffld_size = 0;
4353 			ha->flags.exchoffld_enabled = 0;
4354 			return QLA_SUCCESS;
4355 		}
4356 
4357 		ha->exchoffld_size = totsz;
4358 
4359 		ql_log(ql_log_info, vha, 0xd016,
4360 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4361 		    max_cnt, actual_cnt, size, totsz);
4362 
4363 		ql_log(ql_log_info, vha, 0xd017,
4364 		    "Exchange Buffers requested size = 0x%x\n",
4365 		    ha->exchoffld_size);
4366 
4367 		/* Get consistent memory for extended logins */
4368 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4369 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4370 		if (!ha->exchoffld_buf) {
4371 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4372 			"Failed to allocate memory for Exchange Offload.\n");
4373 
4374 			if (ha->max_exchg >
4375 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4376 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4377 			} else if (ha->max_exchg >
4378 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4379 				ha->max_exchg -= 512;
4380 			} else {
4381 				ha->flags.exchoffld_enabled = 0;
4382 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4383 				    "Disabling Exchange offload due to lack of memory\n");
4384 			}
4385 			ha->exchoffld_size = 0;
4386 
4387 			return -ENOMEM;
4388 		}
4389 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4390 		/* pathological case */
4391 		qla2x00_free_exchoffld_buffer(ha);
4392 		ha->exchoffld_size = 0;
4393 		ha->flags.exchoffld_enabled = 0;
4394 		ql_log(ql_log_info, vha, 0xd016,
4395 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4396 		    ha->exchoffld_size, actual_cnt, size, totsz);
4397 		return 0;
4398 	}
4399 
4400 	/* Now configure the dma buffer */
4401 	rval = qla_set_exchoffld_mem_cfg(vha);
4402 	if (rval) {
4403 		ql_log(ql_log_fatal, vha, 0xd02e,
4404 		    "Setup exchange offload buffer ****FAILED****.\n");
4405 		qla2x00_free_exchoffld_buffer(ha);
4406 	} else {
4407 		/* re-adjust number of target exchange */
4408 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4409 
4410 		if (qla_ini_mode_enabled(vha))
4411 			icb->exchange_count = 0;
4412 		else
4413 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4414 	}
4415 
4416 	return rval;
4417 }
4418 
4419 /*
4420 * qla2x00_free_exchoffld_buffer
4421 *
4422 * Input:
4423 *	ha = adapter block pointer
4424 */
4425 void
4426 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4427 {
4428 	if (ha->exchoffld_buf) {
4429 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4430 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4431 		ha->exchoffld_buf = NULL;
4432 		ha->exchoffld_size = 0;
4433 	}
4434 }
4435 
4436 /*
4437 * qla2x00_free_fw_dump
4438 *	Frees fw dump stuff.
4439 *
4440 * Input:
4441 *	ha = adapter block pointer
4442 */
4443 static void
4444 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4445 {
4446 	if (ha->fce)
4447 		dma_free_coherent(&ha->pdev->dev,
4448 		    FCE_SIZE, ha->fce, ha->fce_dma);
4449 
4450 	if (ha->eft)
4451 		dma_free_coherent(&ha->pdev->dev,
4452 		    EFT_SIZE, ha->eft, ha->eft_dma);
4453 
4454 	if (ha->fw_dump)
4455 		vfree(ha->fw_dump);
4456 	if (ha->fw_dump_template)
4457 		vfree(ha->fw_dump_template);
4458 
4459 	ha->fce = NULL;
4460 	ha->fce_dma = 0;
4461 	ha->eft = NULL;
4462 	ha->eft_dma = 0;
4463 	ha->fw_dumped = 0;
4464 	ha->fw_dump_cap_flags = 0;
4465 	ha->fw_dump_reading = 0;
4466 	ha->fw_dump = NULL;
4467 	ha->fw_dump_len = 0;
4468 	ha->fw_dump_template = NULL;
4469 	ha->fw_dump_template_len = 0;
4470 }
4471 
4472 /*
4473 * qla2x00_mem_free
4474 *      Frees all adapter allocated memory.
4475 *
4476 * Input:
4477 *      ha = adapter block pointer.
4478 */
4479 static void
4480 qla2x00_mem_free(struct qla_hw_data *ha)
4481 {
4482 	qla2x00_free_fw_dump(ha);
4483 
4484 	if (ha->mctp_dump)
4485 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4486 		    ha->mctp_dump_dma);
4487 
4488 	mempool_destroy(ha->srb_mempool);
4489 
4490 	if (ha->dcbx_tlv)
4491 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4492 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4493 
4494 	if (ha->xgmac_data)
4495 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4496 		    ha->xgmac_data, ha->xgmac_data_dma);
4497 
4498 	if (ha->sns_cmd)
4499 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4500 		ha->sns_cmd, ha->sns_cmd_dma);
4501 
4502 	if (ha->ct_sns)
4503 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4504 		ha->ct_sns, ha->ct_sns_dma);
4505 
4506 	if (ha->sfp_data)
4507 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4508 		    ha->sfp_data_dma);
4509 
4510 	if (ha->ms_iocb)
4511 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4512 
4513 	if (ha->ex_init_cb)
4514 		dma_pool_free(ha->s_dma_pool,
4515 			ha->ex_init_cb, ha->ex_init_cb_dma);
4516 
4517 	if (ha->async_pd)
4518 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4519 
4520 	dma_pool_destroy(ha->s_dma_pool);
4521 
4522 	if (ha->gid_list)
4523 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4524 		ha->gid_list, ha->gid_list_dma);
4525 
4526 	if (IS_QLA82XX(ha)) {
4527 		if (!list_empty(&ha->gbl_dsd_list)) {
4528 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4529 
4530 			/* clean up allocated prev pool */
4531 			list_for_each_entry_safe(dsd_ptr,
4532 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4533 				dma_pool_free(ha->dl_dma_pool,
4534 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4535 				list_del(&dsd_ptr->list);
4536 				kfree(dsd_ptr);
4537 			}
4538 		}
4539 	}
4540 
4541 	dma_pool_destroy(ha->dl_dma_pool);
4542 
4543 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4544 
4545 	mempool_destroy(ha->ctx_mempool);
4546 
4547 	qlt_mem_free(ha);
4548 
4549 	if (ha->init_cb)
4550 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4551 			ha->init_cb, ha->init_cb_dma);
4552 
4553 	vfree(ha->optrom_buffer);
4554 	kfree(ha->nvram);
4555 	kfree(ha->npiv_info);
4556 	kfree(ha->swl);
4557 	kfree(ha->loop_id_map);
4558 
4559 	ha->srb_mempool = NULL;
4560 	ha->ctx_mempool = NULL;
4561 	ha->sns_cmd = NULL;
4562 	ha->sns_cmd_dma = 0;
4563 	ha->ct_sns = NULL;
4564 	ha->ct_sns_dma = 0;
4565 	ha->ms_iocb = NULL;
4566 	ha->ms_iocb_dma = 0;
4567 	ha->init_cb = NULL;
4568 	ha->init_cb_dma = 0;
4569 	ha->ex_init_cb = NULL;
4570 	ha->ex_init_cb_dma = 0;
4571 	ha->async_pd = NULL;
4572 	ha->async_pd_dma = 0;
4573 	ha->loop_id_map = NULL;
4574 	ha->npiv_info = NULL;
4575 	ha->optrom_buffer = NULL;
4576 	ha->swl = NULL;
4577 	ha->nvram = NULL;
4578 	ha->mctp_dump = NULL;
4579 	ha->dcbx_tlv = NULL;
4580 	ha->xgmac_data = NULL;
4581 	ha->sfp_data = NULL;
4582 
4583 	ha->s_dma_pool = NULL;
4584 	ha->dl_dma_pool = NULL;
4585 	ha->fcp_cmnd_dma_pool = NULL;
4586 
4587 	ha->gid_list = NULL;
4588 	ha->gid_list_dma = 0;
4589 
4590 	ha->tgt.atio_ring = NULL;
4591 	ha->tgt.atio_dma = 0;
4592 	ha->tgt.tgt_vp_map = NULL;
4593 }
4594 
4595 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4596 						struct qla_hw_data *ha)
4597 {
4598 	struct Scsi_Host *host;
4599 	struct scsi_qla_host *vha = NULL;
4600 
4601 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4602 	if (!host) {
4603 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4604 		    "Failed to allocate host from the scsi layer, aborting.\n");
4605 		return NULL;
4606 	}
4607 
4608 	/* Clear our data area */
4609 	vha = shost_priv(host);
4610 	memset(vha, 0, sizeof(scsi_qla_host_t));
4611 
4612 	vha->host = host;
4613 	vha->host_no = host->host_no;
4614 	vha->hw = ha;
4615 
4616 	vha->qlini_mode = ql2x_ini_mode;
4617 	vha->ql2xexchoffld = ql2xexchoffld;
4618 	vha->ql2xiniexchg = ql2xiniexchg;
4619 
4620 	INIT_LIST_HEAD(&vha->vp_fcports);
4621 	INIT_LIST_HEAD(&vha->work_list);
4622 	INIT_LIST_HEAD(&vha->list);
4623 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4624 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4625 	INIT_LIST_HEAD(&vha->logo_list);
4626 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4627 	INIT_LIST_HEAD(&vha->qp_list);
4628 	INIT_LIST_HEAD(&vha->gnl.fcports);
4629 	INIT_LIST_HEAD(&vha->nvme_rport_list);
4630 	INIT_LIST_HEAD(&vha->gpnid_list);
4631 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4632 
4633 	spin_lock_init(&vha->work_lock);
4634 	spin_lock_init(&vha->cmd_list_lock);
4635 	init_waitqueue_head(&vha->fcport_waitQ);
4636 	init_waitqueue_head(&vha->vref_waitq);
4637 
4638 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4639 			(ha->max_loop_id + 1);
4640 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4641 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4642 	if (!vha->gnl.l) {
4643 		ql_log(ql_log_fatal, vha, 0xd04a,
4644 		    "Alloc failed for name list.\n");
4645 		scsi_remove_host(vha->host);
4646 		return NULL;
4647 	}
4648 
4649 	/* todo: what about ext login? */
4650 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4651 	vha->scan.l = vmalloc(vha->scan.size);
4652 	if (!vha->scan.l) {
4653 		ql_log(ql_log_fatal, vha, 0xd04a,
4654 		    "Alloc failed for scan database.\n");
4655 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4656 		    vha->gnl.l, vha->gnl.ldma);
4657 		scsi_remove_host(vha->host);
4658 		return NULL;
4659 	}
4660 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4661 
4662 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4663 	ql_dbg(ql_dbg_init, vha, 0x0041,
4664 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4665 	    vha->host, vha->hw, vha,
4666 	    dev_name(&(ha->pdev->dev)));
4667 
4668 	return vha;
4669 }
4670 
4671 struct qla_work_evt *
4672 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4673 {
4674 	struct qla_work_evt *e;
4675 	uint8_t bail;
4676 
4677 	QLA_VHA_MARK_BUSY(vha, bail);
4678 	if (bail)
4679 		return NULL;
4680 
4681 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4682 	if (!e) {
4683 		QLA_VHA_MARK_NOT_BUSY(vha);
4684 		return NULL;
4685 	}
4686 
4687 	INIT_LIST_HEAD(&e->list);
4688 	e->type = type;
4689 	e->flags = QLA_EVT_FLAG_FREE;
4690 	return e;
4691 }
4692 
4693 int
4694 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4695 {
4696 	unsigned long flags;
4697 	bool q = false;
4698 
4699 	spin_lock_irqsave(&vha->work_lock, flags);
4700 	list_add_tail(&e->list, &vha->work_list);
4701 
4702 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4703 		q = true;
4704 
4705 	spin_unlock_irqrestore(&vha->work_lock, flags);
4706 
4707 	if (q)
4708 		queue_work(vha->hw->wq, &vha->iocb_work);
4709 
4710 	return QLA_SUCCESS;
4711 }
4712 
4713 int
4714 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4715     u32 data)
4716 {
4717 	struct qla_work_evt *e;
4718 
4719 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4720 	if (!e)
4721 		return QLA_FUNCTION_FAILED;
4722 
4723 	e->u.aen.code = code;
4724 	e->u.aen.data = data;
4725 	return qla2x00_post_work(vha, e);
4726 }
4727 
4728 int
4729 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4730 {
4731 	struct qla_work_evt *e;
4732 
4733 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4734 	if (!e)
4735 		return QLA_FUNCTION_FAILED;
4736 
4737 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4738 	return qla2x00_post_work(vha, e);
4739 }
4740 
4741 #define qla2x00_post_async_work(name, type)	\
4742 int qla2x00_post_async_##name##_work(		\
4743     struct scsi_qla_host *vha,			\
4744     fc_port_t *fcport, uint16_t *data)		\
4745 {						\
4746 	struct qla_work_evt *e;			\
4747 						\
4748 	e = qla2x00_alloc_work(vha, type);	\
4749 	if (!e)					\
4750 		return QLA_FUNCTION_FAILED;	\
4751 						\
4752 	e->u.logio.fcport = fcport;		\
4753 	if (data) {				\
4754 		e->u.logio.data[0] = data[0];	\
4755 		e->u.logio.data[1] = data[1];	\
4756 	}					\
4757 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4758 	return qla2x00_post_work(vha, e);	\
4759 }
4760 
4761 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4762 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4763 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4764 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4765 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4766 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4767 
4768 int
4769 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4770 {
4771 	struct qla_work_evt *e;
4772 
4773 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4774 	if (!e)
4775 		return QLA_FUNCTION_FAILED;
4776 
4777 	e->u.uevent.code = code;
4778 	return qla2x00_post_work(vha, e);
4779 }
4780 
4781 static void
4782 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4783 {
4784 	char event_string[40];
4785 	char *envp[] = { event_string, NULL };
4786 
4787 	switch (code) {
4788 	case QLA_UEVENT_CODE_FW_DUMP:
4789 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4790 		    vha->host_no);
4791 		break;
4792 	default:
4793 		/* do nothing */
4794 		break;
4795 	}
4796 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4797 }
4798 
4799 int
4800 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4801 			uint32_t *data, int cnt)
4802 {
4803 	struct qla_work_evt *e;
4804 
4805 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4806 	if (!e)
4807 		return QLA_FUNCTION_FAILED;
4808 
4809 	e->u.aenfx.evtcode = evtcode;
4810 	e->u.aenfx.count = cnt;
4811 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
4812 	return qla2x00_post_work(vha, e);
4813 }
4814 
4815 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
4816 {
4817 	unsigned long flags;
4818 
4819 	if (IS_SW_RESV_ADDR(fcport->d_id))
4820 		return;
4821 
4822 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
4823 	if (fcport->disc_state == DSC_UPD_FCPORT) {
4824 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
4825 		return;
4826 	}
4827 	fcport->jiffies_at_registration = jiffies;
4828 	fcport->sec_since_registration = 0;
4829 	fcport->next_disc_state = DSC_DELETED;
4830 	fcport->disc_state = DSC_UPD_FCPORT;
4831 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
4832 
4833 	queue_work(system_unbound_wq, &fcport->reg_work);
4834 }
4835 
4836 static
4837 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
4838 {
4839 	unsigned long flags;
4840 	fc_port_t *fcport =  NULL, *tfcp;
4841 	struct qlt_plogi_ack_t *pla =
4842 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
4843 	uint8_t free_fcport = 0;
4844 
4845 	ql_dbg(ql_dbg_disc, vha, 0xffff,
4846 	    "%s %d %8phC enter\n",
4847 	    __func__, __LINE__, e->u.new_sess.port_name);
4848 
4849 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4850 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
4851 	if (fcport) {
4852 		fcport->d_id = e->u.new_sess.id;
4853 		if (pla) {
4854 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4855 			memcpy(fcport->node_name,
4856 			    pla->iocb.u.isp24.u.plogi.node_name,
4857 			    WWN_SIZE);
4858 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
4859 			/* we took an extra ref_count to prevent PLOGI ACK when
4860 			 * fcport/sess has not been created.
4861 			 */
4862 			pla->ref_count--;
4863 		}
4864 	} else {
4865 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4866 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
4867 		if (fcport) {
4868 			fcport->d_id = e->u.new_sess.id;
4869 			fcport->flags |= FCF_FABRIC_DEVICE;
4870 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
4871 			if (e->u.new_sess.fc4_type == FS_FC4TYPE_FCP)
4872 				fcport->fc4_type = FC4_TYPE_FCP_SCSI;
4873 
4874 			if (e->u.new_sess.fc4_type == FS_FC4TYPE_NVME) {
4875 				fcport->fc4_type = FC4_TYPE_OTHER;
4876 				fcport->fc4f_nvme = FC4_TYPE_NVME;
4877 			}
4878 
4879 			memcpy(fcport->port_name, e->u.new_sess.port_name,
4880 			    WWN_SIZE);
4881 		} else {
4882 			ql_dbg(ql_dbg_disc, vha, 0xffff,
4883 				   "%s %8phC mem alloc fail.\n",
4884 				   __func__, e->u.new_sess.port_name);
4885 
4886 			if (pla)
4887 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
4888 			return;
4889 		}
4890 
4891 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4892 		/* search again to make sure no one else got ahead */
4893 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
4894 		    e->u.new_sess.port_name, 1);
4895 		if (tfcp) {
4896 			/* should rarily happen */
4897 			ql_dbg(ql_dbg_disc, vha, 0xffff,
4898 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
4899 			    __func__, tfcp->port_name, tfcp->disc_state,
4900 			    tfcp->fw_login_state);
4901 
4902 			free_fcport = 1;
4903 		} else {
4904 			list_add_tail(&fcport->list, &vha->vp_fcports);
4905 
4906 		}
4907 		if (pla) {
4908 			qlt_plogi_ack_link(vha, pla, fcport,
4909 			    QLT_PLOGI_LINK_SAME_WWN);
4910 			pla->ref_count--;
4911 		}
4912 	}
4913 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4914 
4915 	if (fcport) {
4916 		fcport->id_changed = 1;
4917 		fcport->scan_state = QLA_FCPORT_FOUND;
4918 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
4919 
4920 		if (pla) {
4921 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
4922 				u16 wd3_lo;
4923 
4924 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
4925 				fcport->local = 0;
4926 				fcport->loop_id =
4927 					le16_to_cpu(
4928 					    pla->iocb.u.isp24.nport_handle);
4929 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
4930 				wd3_lo =
4931 				    le16_to_cpu(
4932 					pla->iocb.u.isp24.u.prli.wd3_lo);
4933 
4934 				if (wd3_lo & BIT_7)
4935 					fcport->conf_compl_supported = 1;
4936 
4937 				if ((wd3_lo & BIT_4) == 0)
4938 					fcport->port_type = FCT_INITIATOR;
4939 				else
4940 					fcport->port_type = FCT_TARGET;
4941 			}
4942 			qlt_plogi_ack_unref(vha, pla);
4943 		} else {
4944 			fc_port_t *dfcp = NULL;
4945 
4946 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
4947 			tfcp = qla2x00_find_fcport_by_nportid(vha,
4948 			    &e->u.new_sess.id, 1);
4949 			if (tfcp && (tfcp != fcport)) {
4950 				/*
4951 				 * We have a conflict fcport with same NportID.
4952 				 */
4953 				ql_dbg(ql_dbg_disc, vha, 0xffff,
4954 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
4955 				    __func__, tfcp->port_name, tfcp->disc_state,
4956 				    tfcp->fw_login_state);
4957 
4958 				switch (tfcp->disc_state) {
4959 				case DSC_DELETED:
4960 					break;
4961 				case DSC_DELETE_PEND:
4962 					fcport->login_pause = 1;
4963 					tfcp->conflict = fcport;
4964 					break;
4965 				default:
4966 					fcport->login_pause = 1;
4967 					tfcp->conflict = fcport;
4968 					dfcp = tfcp;
4969 					break;
4970 				}
4971 			}
4972 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
4973 			if (dfcp)
4974 				qlt_schedule_sess_for_deletion(tfcp);
4975 
4976 
4977 			if (N2N_TOPO(vha->hw))
4978 				fcport->flags &= ~FCF_FABRIC_DEVICE;
4979 
4980 			if (N2N_TOPO(vha->hw)) {
4981 				if (vha->flags.nvme_enabled) {
4982 					fcport->fc4f_nvme = 1;
4983 					fcport->n2n_flag = 1;
4984 				}
4985 				fcport->fw_login_state = 0;
4986 				/*
4987 				 * wait link init done before sending login
4988 				 */
4989 			} else {
4990 				qla24xx_fcport_handle_login(vha, fcport);
4991 			}
4992 		}
4993 	}
4994 
4995 	if (free_fcport) {
4996 		qla2x00_free_fcport(fcport);
4997 		if (pla)
4998 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
4999 	}
5000 }
5001 
5002 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5003 {
5004 	struct srb *sp = e->u.iosb.sp;
5005 	int rval;
5006 
5007 	rval = qla2x00_start_sp(sp);
5008 	if (rval != QLA_SUCCESS) {
5009 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5010 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5011 		    __func__, sp->name, rval);
5012 		qla24xx_sp_unmap(vha, sp);
5013 	}
5014 }
5015 
5016 void
5017 qla2x00_do_work(struct scsi_qla_host *vha)
5018 {
5019 	struct qla_work_evt *e, *tmp;
5020 	unsigned long flags;
5021 	LIST_HEAD(work);
5022 
5023 	spin_lock_irqsave(&vha->work_lock, flags);
5024 	list_splice_init(&vha->work_list, &work);
5025 	spin_unlock_irqrestore(&vha->work_lock, flags);
5026 
5027 	list_for_each_entry_safe(e, tmp, &work, list) {
5028 		list_del_init(&e->list);
5029 
5030 		switch (e->type) {
5031 		case QLA_EVT_AEN:
5032 			fc_host_post_event(vha->host, fc_get_event_number(),
5033 			    e->u.aen.code, e->u.aen.data);
5034 			break;
5035 		case QLA_EVT_IDC_ACK:
5036 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5037 			break;
5038 		case QLA_EVT_ASYNC_LOGIN:
5039 			qla2x00_async_login(vha, e->u.logio.fcport,
5040 			    e->u.logio.data);
5041 			break;
5042 		case QLA_EVT_ASYNC_LOGOUT:
5043 			qla2x00_async_logout(vha, e->u.logio.fcport);
5044 			break;
5045 		case QLA_EVT_ASYNC_LOGOUT_DONE:
5046 			qla2x00_async_logout_done(vha, e->u.logio.fcport,
5047 			    e->u.logio.data);
5048 			break;
5049 		case QLA_EVT_ASYNC_ADISC:
5050 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5051 			    e->u.logio.data);
5052 			break;
5053 		case QLA_EVT_UEVENT:
5054 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5055 			break;
5056 		case QLA_EVT_AENFX:
5057 			qlafx00_process_aen(vha, e);
5058 			break;
5059 		case QLA_EVT_GPNID:
5060 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5061 			break;
5062 		case QLA_EVT_UNMAP:
5063 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5064 			break;
5065 		case QLA_EVT_RELOGIN:
5066 			qla2x00_relogin(vha);
5067 			break;
5068 		case QLA_EVT_NEW_SESS:
5069 			qla24xx_create_new_sess(vha, e);
5070 			break;
5071 		case QLA_EVT_GPDB:
5072 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5073 			    e->u.fcport.opt);
5074 			break;
5075 		case QLA_EVT_PRLI:
5076 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5077 			break;
5078 		case QLA_EVT_GPSC:
5079 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5080 			break;
5081 		case QLA_EVT_GNL:
5082 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5083 			break;
5084 		case QLA_EVT_NACK:
5085 			qla24xx_do_nack_work(vha, e);
5086 			break;
5087 		case QLA_EVT_ASYNC_PRLO:
5088 			qla2x00_async_prlo(vha, e->u.logio.fcport);
5089 			break;
5090 		case QLA_EVT_ASYNC_PRLO_DONE:
5091 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5092 			    e->u.logio.data);
5093 			break;
5094 		case QLA_EVT_GPNFT:
5095 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5096 			    e->u.gpnft.sp);
5097 			break;
5098 		case QLA_EVT_GPNFT_DONE:
5099 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5100 			break;
5101 		case QLA_EVT_GNNFT_DONE:
5102 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5103 			break;
5104 		case QLA_EVT_GNNID:
5105 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5106 			break;
5107 		case QLA_EVT_GFPNID:
5108 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5109 			break;
5110 		case QLA_EVT_SP_RETRY:
5111 			qla_sp_retry(vha, e);
5112 			break;
5113 		case QLA_EVT_IIDMA:
5114 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5115 			break;
5116 		case QLA_EVT_ELS_PLOGI:
5117 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5118 			    e->u.fcport.fcport, false);
5119 			break;
5120 		}
5121 		if (e->flags & QLA_EVT_FLAG_FREE)
5122 			kfree(e);
5123 
5124 		/* For each work completed decrement vha ref count */
5125 		QLA_VHA_MARK_NOT_BUSY(vha);
5126 	}
5127 }
5128 
5129 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5130 {
5131 	struct qla_work_evt *e;
5132 
5133 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5134 
5135 	if (!e) {
5136 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5137 		return QLA_FUNCTION_FAILED;
5138 	}
5139 
5140 	return qla2x00_post_work(vha, e);
5141 }
5142 
5143 /* Relogins all the fcports of a vport
5144  * Context: dpc thread
5145  */
5146 void qla2x00_relogin(struct scsi_qla_host *vha)
5147 {
5148 	fc_port_t       *fcport;
5149 	int status, relogin_needed = 0;
5150 	struct event_arg ea;
5151 
5152 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5153 		/*
5154 		 * If the port is not ONLINE then try to login
5155 		 * to it if we haven't run out of retries.
5156 		 */
5157 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5158 		    fcport->login_retry) {
5159 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5160 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5161 				continue;
5162 
5163 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5164 				fcport->disc_state == DSC_DELETE_PEND) {
5165 				relogin_needed = 1;
5166 			} else {
5167 				if (vha->hw->current_topology != ISP_CFG_NL) {
5168 					memset(&ea, 0, sizeof(ea));
5169 					ea.event = FCME_RELOGIN;
5170 					ea.fcport = fcport;
5171 					qla2x00_fcport_event_handler(vha, &ea);
5172 				} else if (vha->hw->current_topology ==
5173 				    ISP_CFG_NL) {
5174 					fcport->login_retry--;
5175 					status =
5176 					    qla2x00_local_device_login(vha,
5177 						fcport);
5178 					if (status == QLA_SUCCESS) {
5179 						fcport->old_loop_id =
5180 						    fcport->loop_id;
5181 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5182 						    "Port login OK: logged in ID 0x%x.\n",
5183 						    fcport->loop_id);
5184 						qla2x00_update_fcport
5185 							(vha, fcport);
5186 					} else if (status == 1) {
5187 						set_bit(RELOGIN_NEEDED,
5188 						    &vha->dpc_flags);
5189 						/* retry the login again */
5190 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5191 						    "Retrying %d login again loop_id 0x%x.\n",
5192 						    fcport->login_retry,
5193 						    fcport->loop_id);
5194 					} else {
5195 						fcport->login_retry = 0;
5196 					}
5197 
5198 					if (fcport->login_retry == 0 &&
5199 					    status != QLA_SUCCESS)
5200 						qla2x00_clear_loop_id(fcport);
5201 				}
5202 			}
5203 		}
5204 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5205 			break;
5206 	}
5207 
5208 	if (relogin_needed)
5209 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5210 
5211 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5212 	    "Relogin end.\n");
5213 }
5214 
5215 /* Schedule work on any of the dpc-workqueues */
5216 void
5217 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5218 {
5219 	struct qla_hw_data *ha = base_vha->hw;
5220 
5221 	switch (work_code) {
5222 	case MBA_IDC_AEN: /* 0x8200 */
5223 		if (ha->dpc_lp_wq)
5224 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5225 		break;
5226 
5227 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5228 		if (!ha->flags.nic_core_reset_hdlr_active) {
5229 			if (ha->dpc_hp_wq)
5230 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5231 		} else
5232 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5233 			    "NIC Core reset is already active. Skip "
5234 			    "scheduling it again.\n");
5235 		break;
5236 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5237 		if (ha->dpc_hp_wq)
5238 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5239 		break;
5240 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5241 		if (ha->dpc_hp_wq)
5242 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5243 		break;
5244 	default:
5245 		ql_log(ql_log_warn, base_vha, 0xb05f,
5246 		    "Unknown work-code=0x%x.\n", work_code);
5247 	}
5248 
5249 	return;
5250 }
5251 
5252 /* Work: Perform NIC Core Unrecoverable state handling */
5253 void
5254 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5255 {
5256 	struct qla_hw_data *ha =
5257 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5258 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5259 	uint32_t dev_state = 0;
5260 
5261 	qla83xx_idc_lock(base_vha, 0);
5262 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5263 	qla83xx_reset_ownership(base_vha);
5264 	if (ha->flags.nic_core_reset_owner) {
5265 		ha->flags.nic_core_reset_owner = 0;
5266 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5267 		    QLA8XXX_DEV_FAILED);
5268 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5269 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5270 	}
5271 	qla83xx_idc_unlock(base_vha, 0);
5272 }
5273 
5274 /* Work: Execute IDC state handler */
5275 void
5276 qla83xx_idc_state_handler_work(struct work_struct *work)
5277 {
5278 	struct qla_hw_data *ha =
5279 		container_of(work, struct qla_hw_data, idc_state_handler);
5280 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5281 	uint32_t dev_state = 0;
5282 
5283 	qla83xx_idc_lock(base_vha, 0);
5284 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5285 	if (dev_state == QLA8XXX_DEV_FAILED ||
5286 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5287 		qla83xx_idc_state_handler(base_vha);
5288 	qla83xx_idc_unlock(base_vha, 0);
5289 }
5290 
5291 static int
5292 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5293 {
5294 	int rval = QLA_SUCCESS;
5295 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5296 	uint32_t heart_beat_counter1, heart_beat_counter2;
5297 
5298 	do {
5299 		if (time_after(jiffies, heart_beat_wait)) {
5300 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5301 			    "Nic Core f/w is not alive.\n");
5302 			rval = QLA_FUNCTION_FAILED;
5303 			break;
5304 		}
5305 
5306 		qla83xx_idc_lock(base_vha, 0);
5307 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5308 		    &heart_beat_counter1);
5309 		qla83xx_idc_unlock(base_vha, 0);
5310 		msleep(100);
5311 		qla83xx_idc_lock(base_vha, 0);
5312 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5313 		    &heart_beat_counter2);
5314 		qla83xx_idc_unlock(base_vha, 0);
5315 	} while (heart_beat_counter1 == heart_beat_counter2);
5316 
5317 	return rval;
5318 }
5319 
5320 /* Work: Perform NIC Core Reset handling */
5321 void
5322 qla83xx_nic_core_reset_work(struct work_struct *work)
5323 {
5324 	struct qla_hw_data *ha =
5325 		container_of(work, struct qla_hw_data, nic_core_reset);
5326 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5327 	uint32_t dev_state = 0;
5328 
5329 	if (IS_QLA2031(ha)) {
5330 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5331 			ql_log(ql_log_warn, base_vha, 0xb081,
5332 			    "Failed to dump mctp\n");
5333 		return;
5334 	}
5335 
5336 	if (!ha->flags.nic_core_reset_hdlr_active) {
5337 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5338 			qla83xx_idc_lock(base_vha, 0);
5339 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5340 			    &dev_state);
5341 			qla83xx_idc_unlock(base_vha, 0);
5342 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5343 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5344 				    "Nic Core f/w is alive.\n");
5345 				return;
5346 			}
5347 		}
5348 
5349 		ha->flags.nic_core_reset_hdlr_active = 1;
5350 		if (qla83xx_nic_core_reset(base_vha)) {
5351 			/* NIC Core reset failed. */
5352 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5353 			    "NIC Core reset failed.\n");
5354 		}
5355 		ha->flags.nic_core_reset_hdlr_active = 0;
5356 	}
5357 }
5358 
5359 /* Work: Handle 8200 IDC aens */
5360 void
5361 qla83xx_service_idc_aen(struct work_struct *work)
5362 {
5363 	struct qla_hw_data *ha =
5364 		container_of(work, struct qla_hw_data, idc_aen);
5365 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5366 	uint32_t dev_state, idc_control;
5367 
5368 	qla83xx_idc_lock(base_vha, 0);
5369 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5370 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5371 	qla83xx_idc_unlock(base_vha, 0);
5372 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5373 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5374 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5375 			    "Application requested NIC Core Reset.\n");
5376 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5377 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5378 		    QLA_SUCCESS) {
5379 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5380 			    "Other protocol driver requested NIC Core Reset.\n");
5381 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5382 		}
5383 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5384 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5385 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5386 	}
5387 }
5388 
5389 static void
5390 qla83xx_wait_logic(void)
5391 {
5392 	int i;
5393 
5394 	/* Yield CPU */
5395 	if (!in_interrupt()) {
5396 		/*
5397 		 * Wait about 200ms before retrying again.
5398 		 * This controls the number of retries for single
5399 		 * lock operation.
5400 		 */
5401 		msleep(100);
5402 		schedule();
5403 	} else {
5404 		for (i = 0; i < 20; i++)
5405 			cpu_relax(); /* This a nop instr on i386 */
5406 	}
5407 }
5408 
5409 static int
5410 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5411 {
5412 	int rval;
5413 	uint32_t data;
5414 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5415 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5416 	struct qla_hw_data *ha = base_vha->hw;
5417 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5418 	    "Trying force recovery of the IDC lock.\n");
5419 
5420 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5421 	if (rval)
5422 		return rval;
5423 
5424 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5425 		return QLA_SUCCESS;
5426 	} else {
5427 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5428 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5429 		    data);
5430 		if (rval)
5431 			return rval;
5432 
5433 		msleep(200);
5434 
5435 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5436 		    &data);
5437 		if (rval)
5438 			return rval;
5439 
5440 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5441 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5442 					~(idc_lck_rcvry_stage_mask));
5443 			rval = qla83xx_wr_reg(base_vha,
5444 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5445 			if (rval)
5446 				return rval;
5447 
5448 			/* Forcefully perform IDC UnLock */
5449 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5450 			    &data);
5451 			if (rval)
5452 				return rval;
5453 			/* Clear lock-id by setting 0xff */
5454 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5455 			    0xff);
5456 			if (rval)
5457 				return rval;
5458 			/* Clear lock-recovery by setting 0x0 */
5459 			rval = qla83xx_wr_reg(base_vha,
5460 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5461 			if (rval)
5462 				return rval;
5463 		} else
5464 			return QLA_SUCCESS;
5465 	}
5466 
5467 	return rval;
5468 }
5469 
5470 static int
5471 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5472 {
5473 	int rval = QLA_SUCCESS;
5474 	uint32_t o_drv_lockid, n_drv_lockid;
5475 	unsigned long lock_recovery_timeout;
5476 
5477 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5478 retry_lockid:
5479 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5480 	if (rval)
5481 		goto exit;
5482 
5483 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5484 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5485 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5486 			return QLA_SUCCESS;
5487 		else
5488 			return QLA_FUNCTION_FAILED;
5489 	}
5490 
5491 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5492 	if (rval)
5493 		goto exit;
5494 
5495 	if (o_drv_lockid == n_drv_lockid) {
5496 		qla83xx_wait_logic();
5497 		goto retry_lockid;
5498 	} else
5499 		return QLA_SUCCESS;
5500 
5501 exit:
5502 	return rval;
5503 }
5504 
5505 void
5506 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5507 {
5508 	uint16_t options = (requester_id << 15) | BIT_6;
5509 	uint32_t data;
5510 	uint32_t lock_owner;
5511 	struct qla_hw_data *ha = base_vha->hw;
5512 
5513 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5514 retry_lock:
5515 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5516 	    == QLA_SUCCESS) {
5517 		if (data) {
5518 			/* Setting lock-id to our function-number */
5519 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5520 			    ha->portnum);
5521 		} else {
5522 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5523 			    &lock_owner);
5524 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5525 			    "Failed to acquire IDC lock, acquired by %d, "
5526 			    "retrying...\n", lock_owner);
5527 
5528 			/* Retry/Perform IDC-Lock recovery */
5529 			if (qla83xx_idc_lock_recovery(base_vha)
5530 			    == QLA_SUCCESS) {
5531 				qla83xx_wait_logic();
5532 				goto retry_lock;
5533 			} else
5534 				ql_log(ql_log_warn, base_vha, 0xb075,
5535 				    "IDC Lock recovery FAILED.\n");
5536 		}
5537 
5538 	}
5539 
5540 	return;
5541 
5542 	/* XXX: IDC-lock implementation using access-control mbx */
5543 retry_lock2:
5544 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5545 		ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
5546 		    "Failed to acquire IDC lock. retrying...\n");
5547 		/* Retry/Perform IDC-Lock recovery */
5548 		if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
5549 			qla83xx_wait_logic();
5550 			goto retry_lock2;
5551 		} else
5552 			ql_log(ql_log_warn, base_vha, 0xb076,
5553 			    "IDC Lock recovery FAILED.\n");
5554 	}
5555 
5556 	return;
5557 }
5558 
5559 void
5560 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5561 {
5562 #if 0
5563 	uint16_t options = (requester_id << 15) | BIT_7;
5564 #endif
5565 	uint16_t retry;
5566 	uint32_t data;
5567 	struct qla_hw_data *ha = base_vha->hw;
5568 
5569 	/* IDC-unlock implementation using driver-unlock/lock-id
5570 	 * remote registers
5571 	 */
5572 	retry = 0;
5573 retry_unlock:
5574 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
5575 	    == QLA_SUCCESS) {
5576 		if (data == ha->portnum) {
5577 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
5578 			/* Clearing lock-id by setting 0xff */
5579 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
5580 		} else if (retry < 10) {
5581 			/* SV: XXX: IDC unlock retrying needed here? */
5582 
5583 			/* Retry for IDC-unlock */
5584 			qla83xx_wait_logic();
5585 			retry++;
5586 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
5587 			    "Failed to release IDC lock, retrying=%d\n", retry);
5588 			goto retry_unlock;
5589 		}
5590 	} else if (retry < 10) {
5591 		/* Retry for IDC-unlock */
5592 		qla83xx_wait_logic();
5593 		retry++;
5594 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
5595 		    "Failed to read drv-lockid, retrying=%d\n", retry);
5596 		goto retry_unlock;
5597 	}
5598 
5599 	return;
5600 
5601 #if 0
5602 	/* XXX: IDC-unlock implementation using access-control mbx */
5603 	retry = 0;
5604 retry_unlock2:
5605 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
5606 		if (retry < 10) {
5607 			/* Retry for IDC-unlock */
5608 			qla83xx_wait_logic();
5609 			retry++;
5610 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
5611 			    "Failed to release IDC lock, retrying=%d\n", retry);
5612 			goto retry_unlock2;
5613 		}
5614 	}
5615 
5616 	return;
5617 #endif
5618 }
5619 
5620 int
5621 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5622 {
5623 	int rval = QLA_SUCCESS;
5624 	struct qla_hw_data *ha = vha->hw;
5625 	uint32_t drv_presence;
5626 
5627 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5628 	if (rval == QLA_SUCCESS) {
5629 		drv_presence |= (1 << ha->portnum);
5630 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5631 		    drv_presence);
5632 	}
5633 
5634 	return rval;
5635 }
5636 
5637 int
5638 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
5639 {
5640 	int rval = QLA_SUCCESS;
5641 
5642 	qla83xx_idc_lock(vha, 0);
5643 	rval = __qla83xx_set_drv_presence(vha);
5644 	qla83xx_idc_unlock(vha, 0);
5645 
5646 	return rval;
5647 }
5648 
5649 int
5650 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5651 {
5652 	int rval = QLA_SUCCESS;
5653 	struct qla_hw_data *ha = vha->hw;
5654 	uint32_t drv_presence;
5655 
5656 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5657 	if (rval == QLA_SUCCESS) {
5658 		drv_presence &= ~(1 << ha->portnum);
5659 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5660 		    drv_presence);
5661 	}
5662 
5663 	return rval;
5664 }
5665 
5666 int
5667 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
5668 {
5669 	int rval = QLA_SUCCESS;
5670 
5671 	qla83xx_idc_lock(vha, 0);
5672 	rval = __qla83xx_clear_drv_presence(vha);
5673 	qla83xx_idc_unlock(vha, 0);
5674 
5675 	return rval;
5676 }
5677 
5678 static void
5679 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
5680 {
5681 	struct qla_hw_data *ha = vha->hw;
5682 	uint32_t drv_ack, drv_presence;
5683 	unsigned long ack_timeout;
5684 
5685 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
5686 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
5687 	while (1) {
5688 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
5689 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
5690 		if ((drv_ack & drv_presence) == drv_presence)
5691 			break;
5692 
5693 		if (time_after_eq(jiffies, ack_timeout)) {
5694 			ql_log(ql_log_warn, vha, 0xb067,
5695 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
5696 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
5697 			/*
5698 			 * The function(s) which did not ack in time are forced
5699 			 * to withdraw any further participation in the IDC
5700 			 * reset.
5701 			 */
5702 			if (drv_ack != drv_presence)
5703 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
5704 				    drv_ack);
5705 			break;
5706 		}
5707 
5708 		qla83xx_idc_unlock(vha, 0);
5709 		msleep(1000);
5710 		qla83xx_idc_lock(vha, 0);
5711 	}
5712 
5713 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
5714 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
5715 }
5716 
5717 static int
5718 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
5719 {
5720 	int rval = QLA_SUCCESS;
5721 	uint32_t idc_control;
5722 
5723 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
5724 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
5725 
5726 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
5727 	__qla83xx_get_idc_control(vha, &idc_control);
5728 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
5729 	__qla83xx_set_idc_control(vha, 0);
5730 
5731 	qla83xx_idc_unlock(vha, 0);
5732 	rval = qla83xx_restart_nic_firmware(vha);
5733 	qla83xx_idc_lock(vha, 0);
5734 
5735 	if (rval != QLA_SUCCESS) {
5736 		ql_log(ql_log_fatal, vha, 0xb06a,
5737 		    "Failed to restart NIC f/w.\n");
5738 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
5739 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
5740 	} else {
5741 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
5742 		    "Success in restarting nic f/w.\n");
5743 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
5744 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
5745 	}
5746 
5747 	return rval;
5748 }
5749 
5750 /* Assumes idc_lock always held on entry */
5751 int
5752 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
5753 {
5754 	struct qla_hw_data *ha = base_vha->hw;
5755 	int rval = QLA_SUCCESS;
5756 	unsigned long dev_init_timeout;
5757 	uint32_t dev_state;
5758 
5759 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
5760 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
5761 
5762 	while (1) {
5763 
5764 		if (time_after_eq(jiffies, dev_init_timeout)) {
5765 			ql_log(ql_log_warn, base_vha, 0xb06e,
5766 			    "Initialization TIMEOUT!\n");
5767 			/* Init timeout. Disable further NIC Core
5768 			 * communication.
5769 			 */
5770 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5771 				QLA8XXX_DEV_FAILED);
5772 			ql_log(ql_log_info, base_vha, 0xb06f,
5773 			    "HW State: FAILED.\n");
5774 		}
5775 
5776 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5777 		switch (dev_state) {
5778 		case QLA8XXX_DEV_READY:
5779 			if (ha->flags.nic_core_reset_owner)
5780 				qla83xx_idc_audit(base_vha,
5781 				    IDC_AUDIT_COMPLETION);
5782 			ha->flags.nic_core_reset_owner = 0;
5783 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
5784 			    "Reset_owner reset by 0x%x.\n",
5785 			    ha->portnum);
5786 			goto exit;
5787 		case QLA8XXX_DEV_COLD:
5788 			if (ha->flags.nic_core_reset_owner)
5789 				rval = qla83xx_device_bootstrap(base_vha);
5790 			else {
5791 			/* Wait for AEN to change device-state */
5792 				qla83xx_idc_unlock(base_vha, 0);
5793 				msleep(1000);
5794 				qla83xx_idc_lock(base_vha, 0);
5795 			}
5796 			break;
5797 		case QLA8XXX_DEV_INITIALIZING:
5798 			/* Wait for AEN to change device-state */
5799 			qla83xx_idc_unlock(base_vha, 0);
5800 			msleep(1000);
5801 			qla83xx_idc_lock(base_vha, 0);
5802 			break;
5803 		case QLA8XXX_DEV_NEED_RESET:
5804 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
5805 				qla83xx_need_reset_handler(base_vha);
5806 			else {
5807 				/* Wait for AEN to change device-state */
5808 				qla83xx_idc_unlock(base_vha, 0);
5809 				msleep(1000);
5810 				qla83xx_idc_lock(base_vha, 0);
5811 			}
5812 			/* reset timeout value after need reset handler */
5813 			dev_init_timeout = jiffies +
5814 			    (ha->fcoe_dev_init_timeout * HZ);
5815 			break;
5816 		case QLA8XXX_DEV_NEED_QUIESCENT:
5817 			/* XXX: DEBUG for now */
5818 			qla83xx_idc_unlock(base_vha, 0);
5819 			msleep(1000);
5820 			qla83xx_idc_lock(base_vha, 0);
5821 			break;
5822 		case QLA8XXX_DEV_QUIESCENT:
5823 			/* XXX: DEBUG for now */
5824 			if (ha->flags.quiesce_owner)
5825 				goto exit;
5826 
5827 			qla83xx_idc_unlock(base_vha, 0);
5828 			msleep(1000);
5829 			qla83xx_idc_lock(base_vha, 0);
5830 			dev_init_timeout = jiffies +
5831 			    (ha->fcoe_dev_init_timeout * HZ);
5832 			break;
5833 		case QLA8XXX_DEV_FAILED:
5834 			if (ha->flags.nic_core_reset_owner)
5835 				qla83xx_idc_audit(base_vha,
5836 				    IDC_AUDIT_COMPLETION);
5837 			ha->flags.nic_core_reset_owner = 0;
5838 			__qla83xx_clear_drv_presence(base_vha);
5839 			qla83xx_idc_unlock(base_vha, 0);
5840 			qla8xxx_dev_failed_handler(base_vha);
5841 			rval = QLA_FUNCTION_FAILED;
5842 			qla83xx_idc_lock(base_vha, 0);
5843 			goto exit;
5844 		case QLA8XXX_BAD_VALUE:
5845 			qla83xx_idc_unlock(base_vha, 0);
5846 			msleep(1000);
5847 			qla83xx_idc_lock(base_vha, 0);
5848 			break;
5849 		default:
5850 			ql_log(ql_log_warn, base_vha, 0xb071,
5851 			    "Unknown Device State: %x.\n", dev_state);
5852 			qla83xx_idc_unlock(base_vha, 0);
5853 			qla8xxx_dev_failed_handler(base_vha);
5854 			rval = QLA_FUNCTION_FAILED;
5855 			qla83xx_idc_lock(base_vha, 0);
5856 			goto exit;
5857 		}
5858 	}
5859 
5860 exit:
5861 	return rval;
5862 }
5863 
5864 void
5865 qla2x00_disable_board_on_pci_error(struct work_struct *work)
5866 {
5867 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
5868 	    board_disable);
5869 	struct pci_dev *pdev = ha->pdev;
5870 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5871 
5872 	/*
5873 	 * if UNLOAD flag is already set, then continue unload,
5874 	 * where it was set first.
5875 	 */
5876 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
5877 		return;
5878 
5879 	ql_log(ql_log_warn, base_vha, 0x015b,
5880 	    "Disabling adapter.\n");
5881 
5882 	if (!atomic_read(&pdev->enable_cnt)) {
5883 		ql_log(ql_log_info, base_vha, 0xfffc,
5884 		    "PCI device disabled, no action req for PCI error=%lx\n",
5885 		    base_vha->pci_flags);
5886 		return;
5887 	}
5888 
5889 	qla2x00_wait_for_sess_deletion(base_vha);
5890 
5891 	set_bit(UNLOADING, &base_vha->dpc_flags);
5892 
5893 	qla2x00_delete_all_vps(ha, base_vha);
5894 
5895 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5896 
5897 	qla2x00_dfs_remove(base_vha);
5898 
5899 	qla84xx_put_chip(base_vha);
5900 
5901 	if (base_vha->timer_active)
5902 		qla2x00_stop_timer(base_vha);
5903 
5904 	base_vha->flags.online = 0;
5905 
5906 	qla2x00_destroy_deferred_work(ha);
5907 
5908 	/*
5909 	 * Do not try to stop beacon blink as it will issue a mailbox
5910 	 * command.
5911 	 */
5912 	qla2x00_free_sysfs_attr(base_vha, false);
5913 
5914 	fc_remove_host(base_vha->host);
5915 
5916 	scsi_remove_host(base_vha->host);
5917 
5918 	base_vha->flags.init_done = 0;
5919 	qla25xx_delete_queues(base_vha);
5920 	qla2x00_free_fcports(base_vha);
5921 	qla2x00_free_irqs(base_vha);
5922 	qla2x00_mem_free(ha);
5923 	qla82xx_md_free(base_vha);
5924 	qla2x00_free_queues(ha);
5925 
5926 	qla2x00_unmap_iobases(ha);
5927 
5928 	pci_release_selected_regions(ha->pdev, ha->bars);
5929 	pci_disable_pcie_error_reporting(pdev);
5930 	pci_disable_device(pdev);
5931 
5932 	/*
5933 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
5934 	 */
5935 }
5936 
5937 /**************************************************************************
5938 * qla2x00_do_dpc
5939 *   This kernel thread is a task that is schedule by the interrupt handler
5940 *   to perform the background processing for interrupts.
5941 *
5942 * Notes:
5943 * This task always run in the context of a kernel thread.  It
5944 * is kick-off by the driver's detect code and starts up
5945 * up one per adapter. It immediately goes to sleep and waits for
5946 * some fibre event.  When either the interrupt handler or
5947 * the timer routine detects a event it will one of the task
5948 * bits then wake us up.
5949 **************************************************************************/
5950 static int
5951 qla2x00_do_dpc(void *data)
5952 {
5953 	scsi_qla_host_t *base_vha;
5954 	struct qla_hw_data *ha;
5955 	uint32_t online;
5956 	struct qla_qpair *qpair;
5957 
5958 	ha = (struct qla_hw_data *)data;
5959 	base_vha = pci_get_drvdata(ha->pdev);
5960 
5961 	set_user_nice(current, MIN_NICE);
5962 
5963 	set_current_state(TASK_INTERRUPTIBLE);
5964 	while (!kthread_should_stop()) {
5965 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
5966 		    "DPC handler sleeping.\n");
5967 
5968 		schedule();
5969 
5970 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
5971 			goto end_loop;
5972 
5973 		if (ha->flags.eeh_busy) {
5974 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
5975 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
5976 			goto end_loop;
5977 		}
5978 
5979 		ha->dpc_active = 1;
5980 
5981 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
5982 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
5983 		    base_vha->dpc_flags);
5984 
5985 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
5986 			break;
5987 
5988 		if (IS_P3P_TYPE(ha)) {
5989 			if (IS_QLA8044(ha)) {
5990 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
5991 					&base_vha->dpc_flags)) {
5992 					qla8044_idc_lock(ha);
5993 					qla8044_wr_direct(base_vha,
5994 						QLA8044_CRB_DEV_STATE_INDEX,
5995 						QLA8XXX_DEV_FAILED);
5996 					qla8044_idc_unlock(ha);
5997 					ql_log(ql_log_info, base_vha, 0x4004,
5998 						"HW State: FAILED.\n");
5999 					qla8044_device_state_handler(base_vha);
6000 					continue;
6001 				}
6002 
6003 			} else {
6004 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6005 					&base_vha->dpc_flags)) {
6006 					qla82xx_idc_lock(ha);
6007 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6008 						QLA8XXX_DEV_FAILED);
6009 					qla82xx_idc_unlock(ha);
6010 					ql_log(ql_log_info, base_vha, 0x0151,
6011 						"HW State: FAILED.\n");
6012 					qla82xx_device_state_handler(base_vha);
6013 					continue;
6014 				}
6015 			}
6016 
6017 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6018 				&base_vha->dpc_flags)) {
6019 
6020 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6021 				    "FCoE context reset scheduled.\n");
6022 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6023 					&base_vha->dpc_flags))) {
6024 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6025 						/* FCoE-ctx reset failed.
6026 						 * Escalate to chip-reset
6027 						 */
6028 						set_bit(ISP_ABORT_NEEDED,
6029 							&base_vha->dpc_flags);
6030 					}
6031 					clear_bit(ABORT_ISP_ACTIVE,
6032 						&base_vha->dpc_flags);
6033 				}
6034 
6035 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6036 				    "FCoE context reset end.\n");
6037 			}
6038 		} else if (IS_QLAFX00(ha)) {
6039 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6040 				&base_vha->dpc_flags)) {
6041 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6042 				    "Firmware Reset Recovery\n");
6043 				if (qlafx00_reset_initialize(base_vha)) {
6044 					/* Failed. Abort isp later. */
6045 					if (!test_bit(UNLOADING,
6046 					    &base_vha->dpc_flags)) {
6047 						set_bit(ISP_UNRECOVERABLE,
6048 						    &base_vha->dpc_flags);
6049 						ql_dbg(ql_dbg_dpc, base_vha,
6050 						    0x4021,
6051 						    "Reset Recovery Failed\n");
6052 					}
6053 				}
6054 			}
6055 
6056 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6057 				&base_vha->dpc_flags)) {
6058 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6059 				    "ISPFx00 Target Scan scheduled\n");
6060 				if (qlafx00_rescan_isp(base_vha)) {
6061 					if (!test_bit(UNLOADING,
6062 					    &base_vha->dpc_flags))
6063 						set_bit(ISP_UNRECOVERABLE,
6064 						    &base_vha->dpc_flags);
6065 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6066 					    "ISPFx00 Target Scan Failed\n");
6067 				}
6068 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6069 				    "ISPFx00 Target Scan End\n");
6070 			}
6071 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6072 				&base_vha->dpc_flags)) {
6073 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6074 				    "ISPFx00 Host Info resend scheduled\n");
6075 				qlafx00_fx_disc(base_vha,
6076 				    &base_vha->hw->mr.fcport,
6077 				    FXDISC_REG_HOST_INFO);
6078 			}
6079 		}
6080 
6081 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6082 			&base_vha->dpc_flags) &&
6083 		    !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) {
6084 			qla24xx_detect_sfp(base_vha);
6085 
6086 			if (ha->flags.detected_lr_sfp !=
6087 			    ha->flags.using_lr_setting)
6088 				set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
6089 		}
6090 
6091 		if (test_and_clear_bit
6092 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6093 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6094 			bool do_reset = true;
6095 
6096 			switch (base_vha->qlini_mode) {
6097 			case QLA2XXX_INI_MODE_ENABLED:
6098 				break;
6099 			case QLA2XXX_INI_MODE_DISABLED:
6100 				if (!qla_tgt_mode_enabled(base_vha) &&
6101 				    !ha->flags.fw_started)
6102 					do_reset = false;
6103 				break;
6104 			case QLA2XXX_INI_MODE_DUAL:
6105 				if (!qla_dual_mode_enabled(base_vha) &&
6106 				    !ha->flags.fw_started)
6107 					do_reset = false;
6108 				break;
6109 			default:
6110 				break;
6111 			}
6112 
6113 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6114 			    &base_vha->dpc_flags))) {
6115 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6116 				    "ISP abort scheduled.\n");
6117 				if (ha->isp_ops->abort_isp(base_vha)) {
6118 					/* failed. retry later */
6119 					set_bit(ISP_ABORT_NEEDED,
6120 					    &base_vha->dpc_flags);
6121 				}
6122 				clear_bit(ABORT_ISP_ACTIVE,
6123 						&base_vha->dpc_flags);
6124 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6125 				    "ISP abort end.\n");
6126 			}
6127 		}
6128 
6129 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6130 		    &base_vha->dpc_flags)) {
6131 			qla2x00_update_fcports(base_vha);
6132 		}
6133 
6134 		if (IS_QLAFX00(ha))
6135 			goto loop_resync_check;
6136 
6137 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6138 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6139 			    "Quiescence mode scheduled.\n");
6140 			if (IS_P3P_TYPE(ha)) {
6141 				if (IS_QLA82XX(ha))
6142 					qla82xx_device_state_handler(base_vha);
6143 				if (IS_QLA8044(ha))
6144 					qla8044_device_state_handler(base_vha);
6145 				clear_bit(ISP_QUIESCE_NEEDED,
6146 				    &base_vha->dpc_flags);
6147 				if (!ha->flags.quiesce_owner) {
6148 					qla2x00_perform_loop_resync(base_vha);
6149 					if (IS_QLA82XX(ha)) {
6150 						qla82xx_idc_lock(ha);
6151 						qla82xx_clear_qsnt_ready(
6152 						    base_vha);
6153 						qla82xx_idc_unlock(ha);
6154 					} else if (IS_QLA8044(ha)) {
6155 						qla8044_idc_lock(ha);
6156 						qla8044_clear_qsnt_ready(
6157 						    base_vha);
6158 						qla8044_idc_unlock(ha);
6159 					}
6160 				}
6161 			} else {
6162 				clear_bit(ISP_QUIESCE_NEEDED,
6163 				    &base_vha->dpc_flags);
6164 				qla2x00_quiesce_io(base_vha);
6165 			}
6166 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6167 			    "Quiescence mode end.\n");
6168 		}
6169 
6170 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6171 				&base_vha->dpc_flags) &&
6172 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6173 
6174 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6175 			    "Reset marker scheduled.\n");
6176 			qla2x00_rst_aen(base_vha);
6177 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6178 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6179 			    "Reset marker end.\n");
6180 		}
6181 
6182 		/* Retry each device up to login retry count */
6183 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6184 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6185 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6186 
6187 			if (!base_vha->relogin_jif ||
6188 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6189 				base_vha->relogin_jif = jiffies + HZ;
6190 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6191 
6192 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6193 				    "Relogin scheduled.\n");
6194 				qla24xx_post_relogin_work(base_vha);
6195 			}
6196 		}
6197 loop_resync_check:
6198 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6199 		    &base_vha->dpc_flags)) {
6200 
6201 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6202 			    "Loop resync scheduled.\n");
6203 
6204 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6205 			    &base_vha->dpc_flags))) {
6206 
6207 				qla2x00_loop_resync(base_vha);
6208 
6209 				clear_bit(LOOP_RESYNC_ACTIVE,
6210 						&base_vha->dpc_flags);
6211 			}
6212 
6213 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6214 			    "Loop resync end.\n");
6215 		}
6216 
6217 		if (IS_QLAFX00(ha))
6218 			goto intr_on_check;
6219 
6220 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6221 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6222 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6223 			qla2xxx_flash_npiv_conf(base_vha);
6224 		}
6225 
6226 intr_on_check:
6227 		if (!ha->interrupts_on)
6228 			ha->isp_ops->enable_intrs(ha);
6229 
6230 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
6231 					&base_vha->dpc_flags)) {
6232 			if (ha->beacon_blink_led == 1)
6233 				ha->isp_ops->beacon_blink(base_vha);
6234 		}
6235 
6236 		/* qpair online check */
6237 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
6238 		    &base_vha->dpc_flags)) {
6239 			if (ha->flags.eeh_busy ||
6240 			    ha->flags.pci_channel_io_perm_failure)
6241 				online = 0;
6242 			else
6243 				online = 1;
6244 
6245 			mutex_lock(&ha->mq_lock);
6246 			list_for_each_entry(qpair, &base_vha->qp_list,
6247 			    qp_list_elem)
6248 			qpair->online = online;
6249 			mutex_unlock(&ha->mq_lock);
6250 		}
6251 
6252 		if (test_and_clear_bit(SET_NVME_ZIO_THRESHOLD_NEEDED,
6253 		    &base_vha->dpc_flags)) {
6254 			ql_log(ql_log_info, base_vha, 0xffffff,
6255 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
6256 						ha->nvme_last_rptd_aen);
6257 			if (qla27xx_set_zio_threshold(base_vha,
6258 			    ha->nvme_last_rptd_aen)) {
6259 				ql_log(ql_log_info, base_vha, 0xffffff,
6260 				    "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
6261 				    ha->nvme_last_rptd_aen);
6262 			}
6263 		}
6264 
6265 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
6266 		    &base_vha->dpc_flags)) {
6267 			ql_log(ql_log_info, base_vha, 0xffffff,
6268 			    "SET ZIO Activity exchange threshold to %d.\n",
6269 			    ha->last_zio_threshold);
6270 			qla27xx_set_zio_threshold(base_vha,
6271 			    ha->last_zio_threshold);
6272 		}
6273 
6274 		if (!IS_QLAFX00(ha))
6275 			qla2x00_do_dpc_all_vps(base_vha);
6276 
6277 		if (test_and_clear_bit(N2N_LINK_RESET,
6278 			&base_vha->dpc_flags)) {
6279 			qla2x00_lip_reset(base_vha);
6280 		}
6281 
6282 		ha->dpc_active = 0;
6283 end_loop:
6284 		set_current_state(TASK_INTERRUPTIBLE);
6285 	} /* End of while(1) */
6286 	__set_current_state(TASK_RUNNING);
6287 
6288 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
6289 	    "DPC handler exiting.\n");
6290 
6291 	/*
6292 	 * Make sure that nobody tries to wake us up again.
6293 	 */
6294 	ha->dpc_active = 0;
6295 
6296 	/* Cleanup any residual CTX SRBs. */
6297 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6298 
6299 	return 0;
6300 }
6301 
6302 void
6303 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
6304 {
6305 	struct qla_hw_data *ha = vha->hw;
6306 	struct task_struct *t = ha->dpc_thread;
6307 
6308 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
6309 		wake_up_process(t);
6310 }
6311 
6312 /*
6313 *  qla2x00_rst_aen
6314 *      Processes asynchronous reset.
6315 *
6316 * Input:
6317 *      ha  = adapter block pointer.
6318 */
6319 static void
6320 qla2x00_rst_aen(scsi_qla_host_t *vha)
6321 {
6322 	if (vha->flags.online && !vha->flags.reset_active &&
6323 	    !atomic_read(&vha->loop_down_timer) &&
6324 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
6325 		do {
6326 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
6327 
6328 			/*
6329 			 * Issue marker command only when we are going to start
6330 			 * the I/O.
6331 			 */
6332 			vha->marker_needed = 1;
6333 		} while (!atomic_read(&vha->loop_down_timer) &&
6334 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
6335 	}
6336 }
6337 
6338 /**************************************************************************
6339 *   qla2x00_timer
6340 *
6341 * Description:
6342 *   One second timer
6343 *
6344 * Context: Interrupt
6345 ***************************************************************************/
6346 void
6347 qla2x00_timer(struct timer_list *t)
6348 {
6349 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
6350 	unsigned long	cpu_flags = 0;
6351 	int		start_dpc = 0;
6352 	int		index;
6353 	srb_t		*sp;
6354 	uint16_t        w;
6355 	struct qla_hw_data *ha = vha->hw;
6356 	struct req_que *req;
6357 
6358 	if (ha->flags.eeh_busy) {
6359 		ql_dbg(ql_dbg_timer, vha, 0x6000,
6360 		    "EEH = %d, restarting timer.\n",
6361 		    ha->flags.eeh_busy);
6362 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
6363 		return;
6364 	}
6365 
6366 	/*
6367 	 * Hardware read to raise pending EEH errors during mailbox waits. If
6368 	 * the read returns -1 then disable the board.
6369 	 */
6370 	if (!pci_channel_offline(ha->pdev)) {
6371 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
6372 		qla2x00_check_reg16_for_disconnect(vha, w);
6373 	}
6374 
6375 	/* Make sure qla82xx_watchdog is run only for physical port */
6376 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
6377 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
6378 			start_dpc++;
6379 		if (IS_QLA82XX(ha))
6380 			qla82xx_watchdog(vha);
6381 		else if (IS_QLA8044(ha))
6382 			qla8044_watchdog(vha);
6383 	}
6384 
6385 	if (!vha->vp_idx && IS_QLAFX00(ha))
6386 		qlafx00_timer_routine(vha);
6387 
6388 	/* Loop down handler. */
6389 	if (atomic_read(&vha->loop_down_timer) > 0 &&
6390 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
6391 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
6392 		&& vha->flags.online) {
6393 
6394 		if (atomic_read(&vha->loop_down_timer) ==
6395 		    vha->loop_down_abort_time) {
6396 
6397 			ql_log(ql_log_info, vha, 0x6008,
6398 			    "Loop down - aborting the queues before time expires.\n");
6399 
6400 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
6401 				atomic_set(&vha->loop_state, LOOP_DEAD);
6402 
6403 			/*
6404 			 * Schedule an ISP abort to return any FCP2-device
6405 			 * commands.
6406 			 */
6407 			/* NPIV - scan physical port only */
6408 			if (!vha->vp_idx) {
6409 				spin_lock_irqsave(&ha->hardware_lock,
6410 				    cpu_flags);
6411 				req = ha->req_q_map[0];
6412 				for (index = 1;
6413 				    index < req->num_outstanding_cmds;
6414 				    index++) {
6415 					fc_port_t *sfcp;
6416 
6417 					sp = req->outstanding_cmds[index];
6418 					if (!sp)
6419 						continue;
6420 					if (sp->cmd_type != TYPE_SRB)
6421 						continue;
6422 					if (sp->type != SRB_SCSI_CMD)
6423 						continue;
6424 					sfcp = sp->fcport;
6425 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
6426 						continue;
6427 
6428 					if (IS_QLA82XX(ha))
6429 						set_bit(FCOE_CTX_RESET_NEEDED,
6430 							&vha->dpc_flags);
6431 					else
6432 						set_bit(ISP_ABORT_NEEDED,
6433 							&vha->dpc_flags);
6434 					break;
6435 				}
6436 				spin_unlock_irqrestore(&ha->hardware_lock,
6437 								cpu_flags);
6438 			}
6439 			start_dpc++;
6440 		}
6441 
6442 		/* if the loop has been down for 4 minutes, reinit adapter */
6443 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
6444 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
6445 				ql_log(ql_log_warn, vha, 0x6009,
6446 				    "Loop down - aborting ISP.\n");
6447 
6448 				if (IS_QLA82XX(ha))
6449 					set_bit(FCOE_CTX_RESET_NEEDED,
6450 						&vha->dpc_flags);
6451 				else
6452 					set_bit(ISP_ABORT_NEEDED,
6453 						&vha->dpc_flags);
6454 			}
6455 		}
6456 		ql_dbg(ql_dbg_timer, vha, 0x600a,
6457 		    "Loop down - seconds remaining %d.\n",
6458 		    atomic_read(&vha->loop_down_timer));
6459 	}
6460 	/* Check if beacon LED needs to be blinked for physical host only */
6461 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
6462 		/* There is no beacon_blink function for ISP82xx */
6463 		if (!IS_P3P_TYPE(ha)) {
6464 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
6465 			start_dpc++;
6466 		}
6467 	}
6468 
6469 	/* Process any deferred work. */
6470 	if (!list_empty(&vha->work_list)) {
6471 		unsigned long flags;
6472 		bool q = false;
6473 
6474 		spin_lock_irqsave(&vha->work_lock, flags);
6475 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
6476 			q = true;
6477 		spin_unlock_irqrestore(&vha->work_lock, flags);
6478 		if (q)
6479 			queue_work(vha->hw->wq, &vha->iocb_work);
6480 	}
6481 
6482 	/*
6483 	 * FC-NVME
6484 	 * see if the active AEN count has changed from what was last reported.
6485 	 */
6486 	if (!vha->vp_idx && (atomic_read(&ha->nvme_active_aen_cnt) !=
6487 	    ha->nvme_last_rptd_aen) && ha->zio_mode == QLA_ZIO_MODE_6) {
6488 		ql_log(ql_log_info, vha, 0x3002,
6489 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
6490 		    ha->nvme_last_rptd_aen);
6491 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
6492 		set_bit(SET_NVME_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
6493 		start_dpc++;
6494 	}
6495 
6496 	if (!vha->vp_idx &&
6497 	    (atomic_read(&ha->zio_threshold) != ha->last_zio_threshold) &&
6498 	    (ha->zio_mode == QLA_ZIO_MODE_6) &&
6499 	    (IS_QLA83XX(ha) || IS_QLA27XX(ha))) {
6500 		ql_log(ql_log_info, vha, 0x3002,
6501 		    "Sched: Set ZIO exchange threshold to %d.\n",
6502 		    ha->last_zio_threshold);
6503 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
6504 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
6505 		start_dpc++;
6506 	}
6507 
6508 	/* Schedule the DPC routine if needed */
6509 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
6510 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
6511 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
6512 	    start_dpc ||
6513 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
6514 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
6515 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
6516 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
6517 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
6518 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
6519 		ql_dbg(ql_dbg_timer, vha, 0x600b,
6520 		    "isp_abort_needed=%d loop_resync_needed=%d "
6521 		    "fcport_update_needed=%d start_dpc=%d "
6522 		    "reset_marker_needed=%d",
6523 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
6524 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
6525 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
6526 		    start_dpc,
6527 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
6528 		ql_dbg(ql_dbg_timer, vha, 0x600c,
6529 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
6530 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
6531 		    "relogin_needed=%d.\n",
6532 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
6533 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
6534 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
6535 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
6536 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
6537 		qla2xxx_wake_dpc(vha);
6538 	}
6539 
6540 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
6541 }
6542 
6543 /* Firmware interface routines. */
6544 
6545 #define FW_BLOBS	11
6546 #define FW_ISP21XX	0
6547 #define FW_ISP22XX	1
6548 #define FW_ISP2300	2
6549 #define FW_ISP2322	3
6550 #define FW_ISP24XX	4
6551 #define FW_ISP25XX	5
6552 #define FW_ISP81XX	6
6553 #define FW_ISP82XX	7
6554 #define FW_ISP2031	8
6555 #define FW_ISP8031	9
6556 #define FW_ISP27XX	10
6557 
6558 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
6559 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
6560 #define FW_FILE_ISP2300	"ql2300_fw.bin"
6561 #define FW_FILE_ISP2322	"ql2322_fw.bin"
6562 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
6563 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
6564 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
6565 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
6566 #define FW_FILE_ISP2031	"ql2600_fw.bin"
6567 #define FW_FILE_ISP8031	"ql8300_fw.bin"
6568 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
6569 
6570 
6571 static DEFINE_MUTEX(qla_fw_lock);
6572 
6573 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
6574 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
6575 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
6576 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
6577 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
6578 	{ .name = FW_FILE_ISP24XX, },
6579 	{ .name = FW_FILE_ISP25XX, },
6580 	{ .name = FW_FILE_ISP81XX, },
6581 	{ .name = FW_FILE_ISP82XX, },
6582 	{ .name = FW_FILE_ISP2031, },
6583 	{ .name = FW_FILE_ISP8031, },
6584 	{ .name = FW_FILE_ISP27XX, },
6585 };
6586 
6587 struct fw_blob *
6588 qla2x00_request_firmware(scsi_qla_host_t *vha)
6589 {
6590 	struct qla_hw_data *ha = vha->hw;
6591 	struct fw_blob *blob;
6592 
6593 	if (IS_QLA2100(ha)) {
6594 		blob = &qla_fw_blobs[FW_ISP21XX];
6595 	} else if (IS_QLA2200(ha)) {
6596 		blob = &qla_fw_blobs[FW_ISP22XX];
6597 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
6598 		blob = &qla_fw_blobs[FW_ISP2300];
6599 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
6600 		blob = &qla_fw_blobs[FW_ISP2322];
6601 	} else if (IS_QLA24XX_TYPE(ha)) {
6602 		blob = &qla_fw_blobs[FW_ISP24XX];
6603 	} else if (IS_QLA25XX(ha)) {
6604 		blob = &qla_fw_blobs[FW_ISP25XX];
6605 	} else if (IS_QLA81XX(ha)) {
6606 		blob = &qla_fw_blobs[FW_ISP81XX];
6607 	} else if (IS_QLA82XX(ha)) {
6608 		blob = &qla_fw_blobs[FW_ISP82XX];
6609 	} else if (IS_QLA2031(ha)) {
6610 		blob = &qla_fw_blobs[FW_ISP2031];
6611 	} else if (IS_QLA8031(ha)) {
6612 		blob = &qla_fw_blobs[FW_ISP8031];
6613 	} else if (IS_QLA27XX(ha)) {
6614 		blob = &qla_fw_blobs[FW_ISP27XX];
6615 	} else {
6616 		return NULL;
6617 	}
6618 
6619 	mutex_lock(&qla_fw_lock);
6620 	if (blob->fw)
6621 		goto out;
6622 
6623 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
6624 		ql_log(ql_log_warn, vha, 0x0063,
6625 		    "Failed to load firmware image (%s).\n", blob->name);
6626 		blob->fw = NULL;
6627 		blob = NULL;
6628 		goto out;
6629 	}
6630 
6631 out:
6632 	mutex_unlock(&qla_fw_lock);
6633 	return blob;
6634 }
6635 
6636 static void
6637 qla2x00_release_firmware(void)
6638 {
6639 	int idx;
6640 
6641 	mutex_lock(&qla_fw_lock);
6642 	for (idx = 0; idx < FW_BLOBS; idx++)
6643 		release_firmware(qla_fw_blobs[idx].fw);
6644 	mutex_unlock(&qla_fw_lock);
6645 }
6646 
6647 static pci_ers_result_t
6648 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
6649 {
6650 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
6651 	struct qla_hw_data *ha = vha->hw;
6652 
6653 	ql_dbg(ql_dbg_aer, vha, 0x9000,
6654 	    "PCI error detected, state %x.\n", state);
6655 
6656 	if (!atomic_read(&pdev->enable_cnt)) {
6657 		ql_log(ql_log_info, vha, 0xffff,
6658 			"PCI device is disabled,state %x\n", state);
6659 		return PCI_ERS_RESULT_NEED_RESET;
6660 	}
6661 
6662 	switch (state) {
6663 	case pci_channel_io_normal:
6664 		ha->flags.eeh_busy = 0;
6665 		if (ql2xmqsupport || ql2xnvmeenable) {
6666 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6667 			qla2xxx_wake_dpc(vha);
6668 		}
6669 		return PCI_ERS_RESULT_CAN_RECOVER;
6670 	case pci_channel_io_frozen:
6671 		ha->flags.eeh_busy = 1;
6672 		/* For ISP82XX complete any pending mailbox cmd */
6673 		if (IS_QLA82XX(ha)) {
6674 			ha->flags.isp82xx_fw_hung = 1;
6675 			ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
6676 			qla82xx_clear_pending_mbx(vha);
6677 		}
6678 		qla2x00_free_irqs(vha);
6679 		pci_disable_device(pdev);
6680 		/* Return back all IOs */
6681 		qla2x00_abort_all_cmds(vha, DID_RESET << 16);
6682 		if (ql2xmqsupport || ql2xnvmeenable) {
6683 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6684 			qla2xxx_wake_dpc(vha);
6685 		}
6686 		return PCI_ERS_RESULT_NEED_RESET;
6687 	case pci_channel_io_perm_failure:
6688 		ha->flags.pci_channel_io_perm_failure = 1;
6689 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
6690 		if (ql2xmqsupport || ql2xnvmeenable) {
6691 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
6692 			qla2xxx_wake_dpc(vha);
6693 		}
6694 		return PCI_ERS_RESULT_DISCONNECT;
6695 	}
6696 	return PCI_ERS_RESULT_NEED_RESET;
6697 }
6698 
6699 static pci_ers_result_t
6700 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
6701 {
6702 	int risc_paused = 0;
6703 	uint32_t stat;
6704 	unsigned long flags;
6705 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6706 	struct qla_hw_data *ha = base_vha->hw;
6707 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
6708 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
6709 
6710 	if (IS_QLA82XX(ha))
6711 		return PCI_ERS_RESULT_RECOVERED;
6712 
6713 	spin_lock_irqsave(&ha->hardware_lock, flags);
6714 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
6715 		stat = RD_REG_DWORD(&reg->hccr);
6716 		if (stat & HCCR_RISC_PAUSE)
6717 			risc_paused = 1;
6718 	} else if (IS_QLA23XX(ha)) {
6719 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
6720 		if (stat & HSR_RISC_PAUSED)
6721 			risc_paused = 1;
6722 	} else if (IS_FWI2_CAPABLE(ha)) {
6723 		stat = RD_REG_DWORD(&reg24->host_status);
6724 		if (stat & HSRX_RISC_PAUSED)
6725 			risc_paused = 1;
6726 	}
6727 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
6728 
6729 	if (risc_paused) {
6730 		ql_log(ql_log_info, base_vha, 0x9003,
6731 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
6732 		ha->isp_ops->fw_dump(base_vha, 0);
6733 
6734 		return PCI_ERS_RESULT_NEED_RESET;
6735 	} else
6736 		return PCI_ERS_RESULT_RECOVERED;
6737 }
6738 
6739 static uint32_t
6740 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
6741 {
6742 	uint32_t rval = QLA_FUNCTION_FAILED;
6743 	uint32_t drv_active = 0;
6744 	struct qla_hw_data *ha = base_vha->hw;
6745 	int fn;
6746 	struct pci_dev *other_pdev = NULL;
6747 
6748 	ql_dbg(ql_dbg_aer, base_vha, 0x9006,
6749 	    "Entered %s.\n", __func__);
6750 
6751 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6752 
6753 	if (base_vha->flags.online) {
6754 		/* Abort all outstanding commands,
6755 		 * so as to be requeued later */
6756 		qla2x00_abort_isp_cleanup(base_vha);
6757 	}
6758 
6759 
6760 	fn = PCI_FUNC(ha->pdev->devfn);
6761 	while (fn > 0) {
6762 		fn--;
6763 		ql_dbg(ql_dbg_aer, base_vha, 0x9007,
6764 		    "Finding pci device at function = 0x%x.\n", fn);
6765 		other_pdev =
6766 		    pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
6767 		    ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
6768 		    fn));
6769 
6770 		if (!other_pdev)
6771 			continue;
6772 		if (atomic_read(&other_pdev->enable_cnt)) {
6773 			ql_dbg(ql_dbg_aer, base_vha, 0x9008,
6774 			    "Found PCI func available and enable at 0x%x.\n",
6775 			    fn);
6776 			pci_dev_put(other_pdev);
6777 			break;
6778 		}
6779 		pci_dev_put(other_pdev);
6780 	}
6781 
6782 	if (!fn) {
6783 		/* Reset owner */
6784 		ql_dbg(ql_dbg_aer, base_vha, 0x9009,
6785 		    "This devfn is reset owner = 0x%x.\n",
6786 		    ha->pdev->devfn);
6787 		qla82xx_idc_lock(ha);
6788 
6789 		qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6790 		    QLA8XXX_DEV_INITIALIZING);
6791 
6792 		qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
6793 		    QLA82XX_IDC_VERSION);
6794 
6795 		drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
6796 		ql_dbg(ql_dbg_aer, base_vha, 0x900a,
6797 		    "drv_active = 0x%x.\n", drv_active);
6798 
6799 		qla82xx_idc_unlock(ha);
6800 		/* Reset if device is not already reset
6801 		 * drv_active would be 0 if a reset has already been done
6802 		 */
6803 		if (drv_active)
6804 			rval = qla82xx_start_firmware(base_vha);
6805 		else
6806 			rval = QLA_SUCCESS;
6807 		qla82xx_idc_lock(ha);
6808 
6809 		if (rval != QLA_SUCCESS) {
6810 			ql_log(ql_log_info, base_vha, 0x900b,
6811 			    "HW State: FAILED.\n");
6812 			qla82xx_clear_drv_active(ha);
6813 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6814 			    QLA8XXX_DEV_FAILED);
6815 		} else {
6816 			ql_log(ql_log_info, base_vha, 0x900c,
6817 			    "HW State: READY.\n");
6818 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6819 			    QLA8XXX_DEV_READY);
6820 			qla82xx_idc_unlock(ha);
6821 			ha->flags.isp82xx_fw_hung = 0;
6822 			rval = qla82xx_restart_isp(base_vha);
6823 			qla82xx_idc_lock(ha);
6824 			/* Clear driver state register */
6825 			qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
6826 			qla82xx_set_drv_active(base_vha);
6827 		}
6828 		qla82xx_idc_unlock(ha);
6829 	} else {
6830 		ql_dbg(ql_dbg_aer, base_vha, 0x900d,
6831 		    "This devfn is not reset owner = 0x%x.\n",
6832 		    ha->pdev->devfn);
6833 		if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
6834 		    QLA8XXX_DEV_READY)) {
6835 			ha->flags.isp82xx_fw_hung = 0;
6836 			rval = qla82xx_restart_isp(base_vha);
6837 			qla82xx_idc_lock(ha);
6838 			qla82xx_set_drv_active(base_vha);
6839 			qla82xx_idc_unlock(ha);
6840 		}
6841 	}
6842 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6843 
6844 	return rval;
6845 }
6846 
6847 static pci_ers_result_t
6848 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
6849 {
6850 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
6851 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6852 	struct qla_hw_data *ha = base_vha->hw;
6853 	struct rsp_que *rsp;
6854 	int rc, retries = 10;
6855 
6856 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
6857 	    "Slot Reset.\n");
6858 
6859 	/* Workaround: qla2xxx driver which access hardware earlier
6860 	 * needs error state to be pci_channel_io_online.
6861 	 * Otherwise mailbox command timesout.
6862 	 */
6863 	pdev->error_state = pci_channel_io_normal;
6864 
6865 	pci_restore_state(pdev);
6866 
6867 	/* pci_restore_state() clears the saved_state flag of the device
6868 	 * save restored state which resets saved_state flag
6869 	 */
6870 	pci_save_state(pdev);
6871 
6872 	if (ha->mem_only)
6873 		rc = pci_enable_device_mem(pdev);
6874 	else
6875 		rc = pci_enable_device(pdev);
6876 
6877 	if (rc) {
6878 		ql_log(ql_log_warn, base_vha, 0x9005,
6879 		    "Can't re-enable PCI device after reset.\n");
6880 		goto exit_slot_reset;
6881 	}
6882 
6883 	rsp = ha->rsp_q_map[0];
6884 	if (qla2x00_request_irqs(ha, rsp))
6885 		goto exit_slot_reset;
6886 
6887 	if (ha->isp_ops->pci_config(base_vha))
6888 		goto exit_slot_reset;
6889 
6890 	if (IS_QLA82XX(ha)) {
6891 		if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
6892 			ret = PCI_ERS_RESULT_RECOVERED;
6893 			goto exit_slot_reset;
6894 		} else
6895 			goto exit_slot_reset;
6896 	}
6897 
6898 	while (ha->flags.mbox_busy && retries--)
6899 		msleep(1000);
6900 
6901 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6902 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
6903 		ret =  PCI_ERS_RESULT_RECOVERED;
6904 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
6905 
6906 
6907 exit_slot_reset:
6908 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
6909 	    "slot_reset return %x.\n", ret);
6910 
6911 	return ret;
6912 }
6913 
6914 static void
6915 qla2xxx_pci_resume(struct pci_dev *pdev)
6916 {
6917 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
6918 	struct qla_hw_data *ha = base_vha->hw;
6919 	int ret;
6920 
6921 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
6922 	    "pci_resume.\n");
6923 
6924 	ret = qla2x00_wait_for_hba_online(base_vha);
6925 	if (ret != QLA_SUCCESS) {
6926 		ql_log(ql_log_fatal, base_vha, 0x9002,
6927 		    "The device failed to resume I/O from slot/link_reset.\n");
6928 	}
6929 
6930 	ha->flags.eeh_busy = 0;
6931 }
6932 
6933 static int qla2xxx_map_queues(struct Scsi_Host *shost)
6934 {
6935 	int rc;
6936 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
6937 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[0];
6938 
6939 	if (USER_CTRL_IRQ(vha->hw))
6940 		rc = blk_mq_map_queues(qmap);
6941 	else
6942 		rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, 0);
6943 	return rc;
6944 }
6945 
6946 static const struct pci_error_handlers qla2xxx_err_handler = {
6947 	.error_detected = qla2xxx_pci_error_detected,
6948 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
6949 	.slot_reset = qla2xxx_pci_slot_reset,
6950 	.resume = qla2xxx_pci_resume,
6951 };
6952 
6953 static struct pci_device_id qla2xxx_pci_tbl[] = {
6954 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
6955 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
6956 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
6957 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
6958 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
6959 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
6960 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
6961 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
6962 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
6963 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
6964 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
6965 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
6966 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
6967 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
6968 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
6969 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
6970 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
6971 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
6972 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
6973 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
6974 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
6975 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
6976 	{ 0 },
6977 };
6978 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
6979 
6980 static struct pci_driver qla2xxx_pci_driver = {
6981 	.name		= QLA2XXX_DRIVER_NAME,
6982 	.driver		= {
6983 		.owner		= THIS_MODULE,
6984 	},
6985 	.id_table	= qla2xxx_pci_tbl,
6986 	.probe		= qla2x00_probe_one,
6987 	.remove		= qla2x00_remove_one,
6988 	.shutdown	= qla2x00_shutdown,
6989 	.err_handler	= &qla2xxx_err_handler,
6990 };
6991 
6992 static const struct file_operations apidev_fops = {
6993 	.owner = THIS_MODULE,
6994 	.llseek = noop_llseek,
6995 };
6996 
6997 /**
6998  * qla2x00_module_init - Module initialization.
6999  **/
7000 static int __init
7001 qla2x00_module_init(void)
7002 {
7003 	int ret = 0;
7004 
7005 	/* Allocate cache for SRBs. */
7006 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7007 	    SLAB_HWCACHE_ALIGN, NULL);
7008 	if (srb_cachep == NULL) {
7009 		ql_log(ql_log_fatal, NULL, 0x0001,
7010 		    "Unable to allocate SRB cache...Failing load!.\n");
7011 		return -ENOMEM;
7012 	}
7013 
7014 	/* Initialize target kmem_cache and mem_pools */
7015 	ret = qlt_init();
7016 	if (ret < 0) {
7017 		kmem_cache_destroy(srb_cachep);
7018 		return ret;
7019 	} else if (ret > 0) {
7020 		/*
7021 		 * If initiator mode is explictly disabled by qlt_init(),
7022 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7023 		 * performing scsi_scan_target() during LOOP UP event.
7024 		 */
7025 		qla2xxx_transport_functions.disable_target_scan = 1;
7026 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
7027 	}
7028 
7029 	/* Derive version string. */
7030 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7031 	if (ql2xextended_error_logging)
7032 		strcat(qla2x00_version_str, "-debug");
7033 	if (ql2xextended_error_logging == 1)
7034 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7035 
7036 	if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7037 		qla_insert_tgt_attrs();
7038 
7039 	qla2xxx_transport_template =
7040 	    fc_attach_transport(&qla2xxx_transport_functions);
7041 	if (!qla2xxx_transport_template) {
7042 		kmem_cache_destroy(srb_cachep);
7043 		ql_log(ql_log_fatal, NULL, 0x0002,
7044 		    "fc_attach_transport failed...Failing load!.\n");
7045 		qlt_exit();
7046 		return -ENODEV;
7047 	}
7048 
7049 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7050 	if (apidev_major < 0) {
7051 		ql_log(ql_log_fatal, NULL, 0x0003,
7052 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7053 	}
7054 
7055 	qla2xxx_transport_vport_template =
7056 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
7057 	if (!qla2xxx_transport_vport_template) {
7058 		kmem_cache_destroy(srb_cachep);
7059 		qlt_exit();
7060 		fc_release_transport(qla2xxx_transport_template);
7061 		ql_log(ql_log_fatal, NULL, 0x0004,
7062 		    "fc_attach_transport vport failed...Failing load!.\n");
7063 		return -ENODEV;
7064 	}
7065 	ql_log(ql_log_info, NULL, 0x0005,
7066 	    "QLogic Fibre Channel HBA Driver: %s.\n",
7067 	    qla2x00_version_str);
7068 	ret = pci_register_driver(&qla2xxx_pci_driver);
7069 	if (ret) {
7070 		kmem_cache_destroy(srb_cachep);
7071 		qlt_exit();
7072 		fc_release_transport(qla2xxx_transport_template);
7073 		fc_release_transport(qla2xxx_transport_vport_template);
7074 		ql_log(ql_log_fatal, NULL, 0x0006,
7075 		    "pci_register_driver failed...ret=%d Failing load!.\n",
7076 		    ret);
7077 	}
7078 	return ret;
7079 }
7080 
7081 /**
7082  * qla2x00_module_exit - Module cleanup.
7083  **/
7084 static void __exit
7085 qla2x00_module_exit(void)
7086 {
7087 	unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7088 	pci_unregister_driver(&qla2xxx_pci_driver);
7089 	qla2x00_release_firmware();
7090 	kmem_cache_destroy(srb_cachep);
7091 	qlt_exit();
7092 	kmem_cache_destroy(ctx_cachep);
7093 	fc_release_transport(qla2xxx_transport_template);
7094 	fc_release_transport(qla2xxx_transport_vport_template);
7095 }
7096 
7097 module_init(qla2x00_module_init);
7098 module_exit(qla2x00_module_exit);
7099 
7100 MODULE_AUTHOR("QLogic Corporation");
7101 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7102 MODULE_LICENSE("GPL");
7103 MODULE_VERSION(QLA2XXX_VERSION);
7104 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7105 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7106 MODULE_FIRMWARE(FW_FILE_ISP2300);
7107 MODULE_FIRMWARE(FW_FILE_ISP2322);
7108 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7109 MODULE_FIRMWARE(FW_FILE_ISP25XX);
7110