xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision e82c878d)
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 uint ql_errlev = 0x8001;
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;
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 registrations. "
117 		"1 - provide FDMI registrations (default).");
118 
119 #define MAX_Q_DEPTH	64
120 static int ql2xmaxqdepth = MAX_Q_DEPTH;
121 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
122 MODULE_PARM_DESC(ql2xmaxqdepth,
123 		"Maximum queue depth to set for each LUN. "
124 		"Default is 64.");
125 
126 int ql2xenabledif = 2;
127 module_param(ql2xenabledif, int, S_IRUGO);
128 MODULE_PARM_DESC(ql2xenabledif,
129 		" Enable T10-CRC-DIF:\n"
130 		" Default is 2.\n"
131 		"  0 -- No DIF Support\n"
132 		"  1 -- Enable DIF for all types\n"
133 		"  2 -- Enable DIF for all types, except Type 0.\n");
134 
135 #if (IS_ENABLED(CONFIG_NVME_FC))
136 int ql2xnvmeenable = 1;
137 #else
138 int ql2xnvmeenable;
139 #endif
140 module_param(ql2xnvmeenable, int, 0644);
141 MODULE_PARM_DESC(ql2xnvmeenable,
142     "Enables NVME support. "
143     "0 - no NVMe.  Default is Y");
144 
145 int ql2xenablehba_err_chk = 2;
146 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
147 MODULE_PARM_DESC(ql2xenablehba_err_chk,
148 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
149 		" Default is 2.\n"
150 		"  0 -- Error isolation disabled\n"
151 		"  1 -- Error isolation enabled only for DIX Type 0\n"
152 		"  2 -- Error isolation enabled for all Types\n");
153 
154 int ql2xiidmaenable = 1;
155 module_param(ql2xiidmaenable, int, S_IRUGO);
156 MODULE_PARM_DESC(ql2xiidmaenable,
157 		"Enables iIDMA settings "
158 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
159 
160 int ql2xmqsupport = 1;
161 module_param(ql2xmqsupport, int, S_IRUGO);
162 MODULE_PARM_DESC(ql2xmqsupport,
163 		"Enable on demand multiple queue pairs support "
164 		"Default is 1 for supported. "
165 		"Set it to 0 to turn off mq qpair support.");
166 
167 int ql2xfwloadbin;
168 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
169 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
170 MODULE_PARM_DESC(ql2xfwloadbin,
171 		"Option to specify location from which to load ISP firmware:.\n"
172 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
173 		"      interface.\n"
174 		" 1 -- load firmware from flash.\n"
175 		" 0 -- use default semantics.\n");
176 
177 int ql2xetsenable;
178 module_param(ql2xetsenable, int, S_IRUGO);
179 MODULE_PARM_DESC(ql2xetsenable,
180 		"Enables firmware ETS burst."
181 		"Default is 0 - skip ETS enablement.");
182 
183 int ql2xdbwr = 1;
184 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
185 MODULE_PARM_DESC(ql2xdbwr,
186 		"Option to specify scheme for request queue posting.\n"
187 		" 0 -- Regular doorbell.\n"
188 		" 1 -- CAMRAM doorbell (faster).\n");
189 
190 int ql2xtargetreset = 1;
191 module_param(ql2xtargetreset, int, S_IRUGO);
192 MODULE_PARM_DESC(ql2xtargetreset,
193 		 "Enable target reset."
194 		 "Default is 1 - use hw defaults.");
195 
196 int ql2xgffidenable;
197 module_param(ql2xgffidenable, int, S_IRUGO);
198 MODULE_PARM_DESC(ql2xgffidenable,
199 		"Enables GFF_ID checks of port type. "
200 		"Default is 0 - Do not use GFF_ID information.");
201 
202 int ql2xasynctmfenable = 1;
203 module_param(ql2xasynctmfenable, int, S_IRUGO);
204 MODULE_PARM_DESC(ql2xasynctmfenable,
205 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
206 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
207 
208 int ql2xdontresethba;
209 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
210 MODULE_PARM_DESC(ql2xdontresethba,
211 		"Option to specify reset behaviour.\n"
212 		" 0 (Default) -- Reset on failure.\n"
213 		" 1 -- Do not reset on failure.\n");
214 
215 uint64_t ql2xmaxlun = MAX_LUNS;
216 module_param(ql2xmaxlun, ullong, S_IRUGO);
217 MODULE_PARM_DESC(ql2xmaxlun,
218 		"Defines the maximum LU number to register with the SCSI "
219 		"midlayer. Default is 65535.");
220 
221 int ql2xmdcapmask = 0x1F;
222 module_param(ql2xmdcapmask, int, S_IRUGO);
223 MODULE_PARM_DESC(ql2xmdcapmask,
224 		"Set the Minidump driver capture mask level. "
225 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
226 
227 int ql2xmdenable = 1;
228 module_param(ql2xmdenable, int, S_IRUGO);
229 MODULE_PARM_DESC(ql2xmdenable,
230 		"Enable/disable MiniDump. "
231 		"0 - MiniDump disabled. "
232 		"1 (Default) - MiniDump enabled.");
233 
234 int ql2xexlogins;
235 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
236 MODULE_PARM_DESC(ql2xexlogins,
237 		 "Number of extended Logins. "
238 		 "0 (Default)- Disabled.");
239 
240 int ql2xexchoffld = 1024;
241 module_param(ql2xexchoffld, uint, 0644);
242 MODULE_PARM_DESC(ql2xexchoffld,
243 	"Number of target exchanges.");
244 
245 int ql2xiniexchg = 1024;
246 module_param(ql2xiniexchg, uint, 0644);
247 MODULE_PARM_DESC(ql2xiniexchg,
248 	"Number of initiator exchanges.");
249 
250 int ql2xfwholdabts;
251 module_param(ql2xfwholdabts, int, S_IRUGO);
252 MODULE_PARM_DESC(ql2xfwholdabts,
253 		"Allow FW to hold status IOCB until ABTS rsp received. "
254 		"0 (Default) Do not set fw option. "
255 		"1 - Set fw option to hold ABTS.");
256 
257 int ql2xmvasynctoatio = 1;
258 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
259 MODULE_PARM_DESC(ql2xmvasynctoatio,
260 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
261 		"0 (Default). Do not move IOCBs"
262 		"1 - Move IOCBs.");
263 
264 int ql2xautodetectsfp = 1;
265 module_param(ql2xautodetectsfp, int, 0444);
266 MODULE_PARM_DESC(ql2xautodetectsfp,
267 		 "Detect SFP range and set appropriate distance.\n"
268 		 "1 (Default): Enable\n");
269 
270 int ql2xenablemsix = 1;
271 module_param(ql2xenablemsix, int, 0444);
272 MODULE_PARM_DESC(ql2xenablemsix,
273 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
274 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
275 		 " 0 -- enable traditional pin-based mechanism.\n"
276 		 " 1 -- enable MSI-X interrupt mechanism.\n"
277 		 " 2 -- enable MSI interrupt mechanism.\n");
278 
279 int qla2xuseresexchforels;
280 module_param(qla2xuseresexchforels, int, 0444);
281 MODULE_PARM_DESC(qla2xuseresexchforels,
282 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
283 		 " 0 (default): disabled");
284 
285 static int ql2xprotmask;
286 module_param(ql2xprotmask, int, 0644);
287 MODULE_PARM_DESC(ql2xprotmask,
288 		 "Override DIF/DIX protection capabilities mask\n"
289 		 "Default is 0 which sets protection mask based on "
290 		 "capabilities reported by HBA firmware.\n");
291 
292 static int ql2xprotguard;
293 module_param(ql2xprotguard, int, 0644);
294 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
295 		 "  0 -- Let HBA firmware decide\n"
296 		 "  1 -- Force T10 CRC\n"
297 		 "  2 -- Force IP checksum\n");
298 
299 int ql2xdifbundlinginternalbuffers;
300 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
301 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
302     "Force using internal buffers for DIF information\n"
303     "0 (Default). Based on check.\n"
304     "1 Force using internal buffers\n");
305 
306 int ql2xsmartsan;
307 module_param(ql2xsmartsan, int, 0444);
308 module_param_named(smartsan, ql2xsmartsan, int, 0444);
309 MODULE_PARM_DESC(ql2xsmartsan,
310 		"Send SmartSAN Management Attributes for FDMI Registration."
311 		" Default is 0 - No SmartSAN registration,"
312 		" 1 - Register SmartSAN Management Attributes.");
313 
314 int ql2xrdpenable;
315 module_param(ql2xrdpenable, int, 0444);
316 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
317 MODULE_PARM_DESC(ql2xrdpenable,
318 		"Enables RDP responses. "
319 		"0 - no RDP responses (default). "
320 		"1 - provide RDP responses.");
321 
322 static void qla2x00_clear_drv_active(struct qla_hw_data *);
323 static void qla2x00_free_device(scsi_qla_host_t *);
324 static int qla2xxx_map_queues(struct Scsi_Host *shost);
325 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
326 
327 
328 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
329 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
330 
331 /* TODO Convert to inlines
332  *
333  * Timer routines
334  */
335 
336 __inline__ void
337 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
338 {
339 	timer_setup(&vha->timer, qla2x00_timer, 0);
340 	vha->timer.expires = jiffies + interval * HZ;
341 	add_timer(&vha->timer);
342 	vha->timer_active = 1;
343 }
344 
345 static inline void
346 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
347 {
348 	/* Currently used for 82XX only. */
349 	if (vha->device_flags & DFLG_DEV_FAILED) {
350 		ql_dbg(ql_dbg_timer, vha, 0x600d,
351 		    "Device in a failed state, returning.\n");
352 		return;
353 	}
354 
355 	mod_timer(&vha->timer, jiffies + interval * HZ);
356 }
357 
358 static __inline__ void
359 qla2x00_stop_timer(scsi_qla_host_t *vha)
360 {
361 	del_timer_sync(&vha->timer);
362 	vha->timer_active = 0;
363 }
364 
365 static int qla2x00_do_dpc(void *data);
366 
367 static void qla2x00_rst_aen(scsi_qla_host_t *);
368 
369 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
370 	struct req_que **, struct rsp_que **);
371 static void qla2x00_free_fw_dump(struct qla_hw_data *);
372 static void qla2x00_mem_free(struct qla_hw_data *);
373 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
374 	struct qla_qpair *qpair);
375 
376 /* -------------------------------------------------------------------------- */
377 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
378     struct rsp_que *rsp)
379 {
380 	struct qla_hw_data *ha = vha->hw;
381 
382 	rsp->qpair = ha->base_qpair;
383 	rsp->req = req;
384 	ha->base_qpair->hw = ha;
385 	ha->base_qpair->req = req;
386 	ha->base_qpair->rsp = rsp;
387 	ha->base_qpair->vha = vha;
388 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
389 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
390 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
391 	ha->base_qpair->srb_mempool = ha->srb_mempool;
392 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
393 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
394 	/* init qpair to this cpu. Will adjust at run time. */
395 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
396 	ha->base_qpair->pdev = ha->pdev;
397 
398 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
399 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
400 }
401 
402 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
403 				struct rsp_que *rsp)
404 {
405 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
406 
407 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
408 				GFP_KERNEL);
409 	if (!ha->req_q_map) {
410 		ql_log(ql_log_fatal, vha, 0x003b,
411 		    "Unable to allocate memory for request queue ptrs.\n");
412 		goto fail_req_map;
413 	}
414 
415 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
416 				GFP_KERNEL);
417 	if (!ha->rsp_q_map) {
418 		ql_log(ql_log_fatal, vha, 0x003c,
419 		    "Unable to allocate memory for response queue ptrs.\n");
420 		goto fail_rsp_map;
421 	}
422 
423 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
424 	if (ha->base_qpair == NULL) {
425 		ql_log(ql_log_warn, vha, 0x00e0,
426 		    "Failed to allocate base queue pair memory.\n");
427 		goto fail_base_qpair;
428 	}
429 
430 	qla_init_base_qpair(vha, req, rsp);
431 
432 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
433 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
434 			GFP_KERNEL);
435 		if (!ha->queue_pair_map) {
436 			ql_log(ql_log_fatal, vha, 0x0180,
437 			    "Unable to allocate memory for queue pair ptrs.\n");
438 			goto fail_qpair_map;
439 		}
440 	}
441 
442 	/*
443 	 * Make sure we record at least the request and response queue zero in
444 	 * case we need to free them if part of the probe fails.
445 	 */
446 	ha->rsp_q_map[0] = rsp;
447 	ha->req_q_map[0] = req;
448 	set_bit(0, ha->rsp_qid_map);
449 	set_bit(0, ha->req_qid_map);
450 	return 0;
451 
452 fail_qpair_map:
453 	kfree(ha->base_qpair);
454 	ha->base_qpair = NULL;
455 fail_base_qpair:
456 	kfree(ha->rsp_q_map);
457 	ha->rsp_q_map = NULL;
458 fail_rsp_map:
459 	kfree(ha->req_q_map);
460 	ha->req_q_map = NULL;
461 fail_req_map:
462 	return -ENOMEM;
463 }
464 
465 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
466 {
467 	if (IS_QLAFX00(ha)) {
468 		if (req && req->ring_fx00)
469 			dma_free_coherent(&ha->pdev->dev,
470 			    (req->length_fx00 + 1) * sizeof(request_t),
471 			    req->ring_fx00, req->dma_fx00);
472 	} else if (req && req->ring)
473 		dma_free_coherent(&ha->pdev->dev,
474 		(req->length + 1) * sizeof(request_t),
475 		req->ring, req->dma);
476 
477 	if (req)
478 		kfree(req->outstanding_cmds);
479 
480 	kfree(req);
481 }
482 
483 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
484 {
485 	if (IS_QLAFX00(ha)) {
486 		if (rsp && rsp->ring_fx00)
487 			dma_free_coherent(&ha->pdev->dev,
488 			    (rsp->length_fx00 + 1) * sizeof(request_t),
489 			    rsp->ring_fx00, rsp->dma_fx00);
490 	} else if (rsp && rsp->ring) {
491 		dma_free_coherent(&ha->pdev->dev,
492 		(rsp->length + 1) * sizeof(response_t),
493 		rsp->ring, rsp->dma);
494 	}
495 	kfree(rsp);
496 }
497 
498 static void qla2x00_free_queues(struct qla_hw_data *ha)
499 {
500 	struct req_que *req;
501 	struct rsp_que *rsp;
502 	int cnt;
503 	unsigned long flags;
504 
505 	if (ha->queue_pair_map) {
506 		kfree(ha->queue_pair_map);
507 		ha->queue_pair_map = NULL;
508 	}
509 	if (ha->base_qpair) {
510 		kfree(ha->base_qpair);
511 		ha->base_qpair = NULL;
512 	}
513 
514 	spin_lock_irqsave(&ha->hardware_lock, flags);
515 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
516 		if (!test_bit(cnt, ha->req_qid_map))
517 			continue;
518 
519 		req = ha->req_q_map[cnt];
520 		clear_bit(cnt, ha->req_qid_map);
521 		ha->req_q_map[cnt] = NULL;
522 
523 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
524 		qla2x00_free_req_que(ha, req);
525 		spin_lock_irqsave(&ha->hardware_lock, flags);
526 	}
527 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
528 
529 	kfree(ha->req_q_map);
530 	ha->req_q_map = NULL;
531 
532 
533 	spin_lock_irqsave(&ha->hardware_lock, flags);
534 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
535 		if (!test_bit(cnt, ha->rsp_qid_map))
536 			continue;
537 
538 		rsp = ha->rsp_q_map[cnt];
539 		clear_bit(cnt, ha->rsp_qid_map);
540 		ha->rsp_q_map[cnt] =  NULL;
541 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
542 		qla2x00_free_rsp_que(ha, rsp);
543 		spin_lock_irqsave(&ha->hardware_lock, flags);
544 	}
545 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
546 
547 	kfree(ha->rsp_q_map);
548 	ha->rsp_q_map = NULL;
549 }
550 
551 static char *
552 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
553 {
554 	struct qla_hw_data *ha = vha->hw;
555 	static const char *const pci_bus_modes[] = {
556 		"33", "66", "100", "133",
557 	};
558 	uint16_t pci_bus;
559 
560 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
561 	if (pci_bus) {
562 		snprintf(str, str_len, "PCI-X (%s MHz)",
563 			 pci_bus_modes[pci_bus]);
564 	} else {
565 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
566 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
567 	}
568 
569 	return str;
570 }
571 
572 static char *
573 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
574 {
575 	static const char *const pci_bus_modes[] = {
576 		"33", "66", "100", "133",
577 	};
578 	struct qla_hw_data *ha = vha->hw;
579 	uint32_t pci_bus;
580 
581 	if (pci_is_pcie(ha->pdev)) {
582 		uint32_t lstat, lspeed, lwidth;
583 		const char *speed_str;
584 
585 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
586 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
587 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
588 
589 		switch (lspeed) {
590 		case 1:
591 			speed_str = "2.5GT/s";
592 			break;
593 		case 2:
594 			speed_str = "5.0GT/s";
595 			break;
596 		case 3:
597 			speed_str = "8.0GT/s";
598 			break;
599 		case 4:
600 			speed_str = "16.0GT/s";
601 			break;
602 		default:
603 			speed_str = "<unknown>";
604 			break;
605 		}
606 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
607 
608 		return str;
609 	}
610 
611 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
612 	if (pci_bus == 0 || pci_bus == 8)
613 		snprintf(str, str_len, "PCI (%s MHz)",
614 			 pci_bus_modes[pci_bus >> 3]);
615 	else
616 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
617 			 pci_bus & 4 ? 2 : 1,
618 			 pci_bus_modes[pci_bus & 3]);
619 
620 	return str;
621 }
622 
623 static char *
624 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
625 {
626 	char un_str[10];
627 	struct qla_hw_data *ha = vha->hw;
628 
629 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
630 	    ha->fw_minor_version, ha->fw_subminor_version);
631 
632 	if (ha->fw_attributes & BIT_9) {
633 		strcat(str, "FLX");
634 		return (str);
635 	}
636 
637 	switch (ha->fw_attributes & 0xFF) {
638 	case 0x7:
639 		strcat(str, "EF");
640 		break;
641 	case 0x17:
642 		strcat(str, "TP");
643 		break;
644 	case 0x37:
645 		strcat(str, "IP");
646 		break;
647 	case 0x77:
648 		strcat(str, "VI");
649 		break;
650 	default:
651 		sprintf(un_str, "(%x)", ha->fw_attributes);
652 		strcat(str, un_str);
653 		break;
654 	}
655 	if (ha->fw_attributes & 0x100)
656 		strcat(str, "X");
657 
658 	return (str);
659 }
660 
661 static char *
662 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
663 {
664 	struct qla_hw_data *ha = vha->hw;
665 
666 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
667 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
668 	return str;
669 }
670 
671 void qla2x00_sp_free_dma(srb_t *sp)
672 {
673 	struct qla_hw_data *ha = sp->vha->hw;
674 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
675 
676 	if (sp->flags & SRB_DMA_VALID) {
677 		scsi_dma_unmap(cmd);
678 		sp->flags &= ~SRB_DMA_VALID;
679 	}
680 
681 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
682 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
683 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
684 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
685 	}
686 
687 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
688 		/* List assured to be having elements */
689 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
690 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
691 	}
692 
693 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
694 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
695 
696 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
697 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
698 	}
699 
700 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
701 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
702 
703 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
704 		    ctx1->fcp_cmnd_dma);
705 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
706 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
707 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
708 		mempool_free(ctx1, ha->ctx_mempool);
709 	}
710 }
711 
712 void qla2x00_sp_compl(srb_t *sp, int res)
713 {
714 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
715 	struct completion *comp = sp->comp;
716 
717 	sp->free(sp);
718 	cmd->result = res;
719 	CMD_SP(cmd) = NULL;
720 	cmd->scsi_done(cmd);
721 	if (comp)
722 		complete(comp);
723 }
724 
725 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
726 {
727 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
728 	struct qla_hw_data *ha = sp->fcport->vha->hw;
729 
730 	if (sp->flags & SRB_DMA_VALID) {
731 		scsi_dma_unmap(cmd);
732 		sp->flags &= ~SRB_DMA_VALID;
733 	}
734 
735 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
736 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
737 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
738 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
739 	}
740 
741 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
742 		/* List assured to be having elements */
743 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
744 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
745 	}
746 
747 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
748 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
749 		struct dsd_dma *dif_dsd, *nxt_dsd;
750 
751 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
752 		    &difctx->ldif_dma_hndl_list, list) {
753 			list_del(&dif_dsd->list);
754 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
755 			    dif_dsd->dsd_list_dma);
756 			kfree(dif_dsd);
757 			difctx->no_dif_bundl--;
758 		}
759 
760 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
761 		    &difctx->ldif_dsd_list, list) {
762 			list_del(&dif_dsd->list);
763 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
764 			    dif_dsd->dsd_list_dma);
765 			kfree(dif_dsd);
766 			difctx->no_ldif_dsd--;
767 		}
768 
769 		if (difctx->no_ldif_dsd) {
770 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
771 			    "%s: difctx->no_ldif_dsd=%x\n",
772 			    __func__, difctx->no_ldif_dsd);
773 		}
774 
775 		if (difctx->no_dif_bundl) {
776 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
777 			    "%s: difctx->no_dif_bundl=%x\n",
778 			    __func__, difctx->no_dif_bundl);
779 		}
780 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
781 	}
782 
783 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
784 		struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
785 
786 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
787 		    ctx1->fcp_cmnd_dma);
788 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
789 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
790 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
791 		mempool_free(ctx1, ha->ctx_mempool);
792 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
793 	}
794 
795 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
796 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
797 
798 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
799 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
800 	}
801 }
802 
803 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
804 {
805 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
806 	struct completion *comp = sp->comp;
807 
808 	sp->free(sp);
809 	cmd->result = res;
810 	CMD_SP(cmd) = NULL;
811 	cmd->scsi_done(cmd);
812 	if (comp)
813 		complete(comp);
814 }
815 
816 static int
817 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
818 {
819 	scsi_qla_host_t *vha = shost_priv(host);
820 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
821 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
822 	struct qla_hw_data *ha = vha->hw;
823 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
824 	srb_t *sp;
825 	int rval;
826 
827 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
828 	    WARN_ON_ONCE(!rport)) {
829 		cmd->result = DID_NO_CONNECT << 16;
830 		goto qc24_fail_command;
831 	}
832 
833 	if (ha->mqenable) {
834 		uint32_t tag;
835 		uint16_t hwq;
836 		struct qla_qpair *qpair = NULL;
837 
838 		tag = blk_mq_unique_tag(cmd->request);
839 		hwq = blk_mq_unique_tag_to_hwq(tag);
840 		qpair = ha->queue_pair_map[hwq];
841 
842 		if (qpair)
843 			return qla2xxx_mqueuecommand(host, cmd, qpair);
844 	}
845 
846 	if (ha->flags.eeh_busy) {
847 		if (ha->flags.pci_channel_io_perm_failure) {
848 			ql_dbg(ql_dbg_aer, vha, 0x9010,
849 			    "PCI Channel IO permanent failure, exiting "
850 			    "cmd=%p.\n", cmd);
851 			cmd->result = DID_NO_CONNECT << 16;
852 		} else {
853 			ql_dbg(ql_dbg_aer, vha, 0x9011,
854 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
855 			cmd->result = DID_REQUEUE << 16;
856 		}
857 		goto qc24_fail_command;
858 	}
859 
860 	rval = fc_remote_port_chkready(rport);
861 	if (rval) {
862 		cmd->result = rval;
863 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
864 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
865 		    cmd, rval);
866 		goto qc24_fail_command;
867 	}
868 
869 	if (!vha->flags.difdix_supported &&
870 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
871 			ql_dbg(ql_dbg_io, vha, 0x3004,
872 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
873 			    cmd);
874 			cmd->result = DID_NO_CONNECT << 16;
875 			goto qc24_fail_command;
876 	}
877 
878 	if (!fcport) {
879 		cmd->result = DID_NO_CONNECT << 16;
880 		goto qc24_fail_command;
881 	}
882 
883 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
884 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
885 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
886 			ql_dbg(ql_dbg_io, vha, 0x3005,
887 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
888 			    atomic_read(&fcport->state),
889 			    atomic_read(&base_vha->loop_state));
890 			cmd->result = DID_NO_CONNECT << 16;
891 			goto qc24_fail_command;
892 		}
893 		goto qc24_target_busy;
894 	}
895 
896 	/*
897 	 * Return target busy if we've received a non-zero retry_delay_timer
898 	 * in a FCP_RSP.
899 	 */
900 	if (fcport->retry_delay_timestamp == 0) {
901 		/* retry delay not set */
902 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
903 		fcport->retry_delay_timestamp = 0;
904 	else
905 		goto qc24_target_busy;
906 
907 	sp = scsi_cmd_priv(cmd);
908 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
909 
910 	sp->u.scmd.cmd = cmd;
911 	sp->type = SRB_SCSI_CMD;
912 
913 	CMD_SP(cmd) = (void *)sp;
914 	sp->free = qla2x00_sp_free_dma;
915 	sp->done = qla2x00_sp_compl;
916 
917 	rval = ha->isp_ops->start_scsi(sp);
918 	if (rval != QLA_SUCCESS) {
919 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
920 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
921 		goto qc24_host_busy_free_sp;
922 	}
923 
924 	return 0;
925 
926 qc24_host_busy_free_sp:
927 	sp->free(sp);
928 
929 qc24_target_busy:
930 	return SCSI_MLQUEUE_TARGET_BUSY;
931 
932 qc24_fail_command:
933 	cmd->scsi_done(cmd);
934 
935 	return 0;
936 }
937 
938 /* For MQ supported I/O */
939 int
940 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
941     struct qla_qpair *qpair)
942 {
943 	scsi_qla_host_t *vha = shost_priv(host);
944 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
945 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
946 	struct qla_hw_data *ha = vha->hw;
947 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
948 	srb_t *sp;
949 	int rval;
950 
951 	rval = rport ? fc_remote_port_chkready(rport) : FC_PORTSTATE_OFFLINE;
952 	if (rval) {
953 		cmd->result = rval;
954 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
955 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
956 		    cmd, rval);
957 		goto qc24_fail_command;
958 	}
959 
960 	if (!fcport) {
961 		cmd->result = DID_NO_CONNECT << 16;
962 		goto qc24_fail_command;
963 	}
964 
965 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
966 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
967 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
968 			ql_dbg(ql_dbg_io, vha, 0x3077,
969 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
970 			    atomic_read(&fcport->state),
971 			    atomic_read(&base_vha->loop_state));
972 			cmd->result = DID_NO_CONNECT << 16;
973 			goto qc24_fail_command;
974 		}
975 		goto qc24_target_busy;
976 	}
977 
978 	/*
979 	 * Return target busy if we've received a non-zero retry_delay_timer
980 	 * in a FCP_RSP.
981 	 */
982 	if (fcport->retry_delay_timestamp == 0) {
983 		/* retry delay not set */
984 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
985 		fcport->retry_delay_timestamp = 0;
986 	else
987 		goto qc24_target_busy;
988 
989 	sp = scsi_cmd_priv(cmd);
990 	qla2xxx_init_sp(sp, vha, qpair, fcport);
991 
992 	sp->u.scmd.cmd = cmd;
993 	sp->type = SRB_SCSI_CMD;
994 	CMD_SP(cmd) = (void *)sp;
995 	sp->free = qla2xxx_qpair_sp_free_dma;
996 	sp->done = qla2xxx_qpair_sp_compl;
997 
998 	rval = ha->isp_ops->start_scsi_mq(sp);
999 	if (rval != QLA_SUCCESS) {
1000 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1001 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1002 		if (rval == QLA_INTERFACE_ERROR)
1003 			goto qc24_free_sp_fail_command;
1004 		goto qc24_host_busy_free_sp;
1005 	}
1006 
1007 	return 0;
1008 
1009 qc24_host_busy_free_sp:
1010 	sp->free(sp);
1011 
1012 qc24_target_busy:
1013 	return SCSI_MLQUEUE_TARGET_BUSY;
1014 
1015 qc24_free_sp_fail_command:
1016 	sp->free(sp);
1017 	CMD_SP(cmd) = NULL;
1018 	qla2xxx_rel_qpair_sp(sp->qpair, sp);
1019 
1020 qc24_fail_command:
1021 	cmd->scsi_done(cmd);
1022 
1023 	return 0;
1024 }
1025 
1026 /*
1027  * qla2x00_eh_wait_on_command
1028  *    Waits for the command to be returned by the Firmware for some
1029  *    max time.
1030  *
1031  * Input:
1032  *    cmd = Scsi Command to wait on.
1033  *
1034  * Return:
1035  *    Completed in time : QLA_SUCCESS
1036  *    Did not complete in time : QLA_FUNCTION_FAILED
1037  */
1038 static int
1039 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1040 {
1041 #define ABORT_POLLING_PERIOD	1000
1042 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1043 	unsigned long wait_iter = ABORT_WAIT_ITER;
1044 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1045 	struct qla_hw_data *ha = vha->hw;
1046 	int ret = QLA_SUCCESS;
1047 
1048 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1049 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1050 		    "Return:eh_wait.\n");
1051 		return ret;
1052 	}
1053 
1054 	while (CMD_SP(cmd) && wait_iter--) {
1055 		msleep(ABORT_POLLING_PERIOD);
1056 	}
1057 	if (CMD_SP(cmd))
1058 		ret = QLA_FUNCTION_FAILED;
1059 
1060 	return ret;
1061 }
1062 
1063 /*
1064  * qla2x00_wait_for_hba_online
1065  *    Wait till the HBA is online after going through
1066  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1067  *    finally HBA is disabled ie marked offline
1068  *
1069  * Input:
1070  *     ha - pointer to host adapter structure
1071  *
1072  * Note:
1073  *    Does context switching-Release SPIN_LOCK
1074  *    (if any) before calling this routine.
1075  *
1076  * Return:
1077  *    Success (Adapter is online) : 0
1078  *    Failed  (Adapter is offline/disabled) : 1
1079  */
1080 int
1081 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1082 {
1083 	int		return_status;
1084 	unsigned long	wait_online;
1085 	struct qla_hw_data *ha = vha->hw;
1086 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1087 
1088 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1089 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1090 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1091 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1092 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1093 
1094 		msleep(1000);
1095 	}
1096 	if (base_vha->flags.online)
1097 		return_status = QLA_SUCCESS;
1098 	else
1099 		return_status = QLA_FUNCTION_FAILED;
1100 
1101 	return (return_status);
1102 }
1103 
1104 static inline int test_fcport_count(scsi_qla_host_t *vha)
1105 {
1106 	struct qla_hw_data *ha = vha->hw;
1107 	unsigned long flags;
1108 	int res;
1109 
1110 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1111 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1112 	    "tgt %p, fcport_count=%d\n",
1113 	    vha, vha->fcport_count);
1114 	res = (vha->fcport_count == 0);
1115 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1116 
1117 	return res;
1118 }
1119 
1120 /*
1121  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1122  * it has dependency on UNLOADING flag to stop device discovery
1123  */
1124 void
1125 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1126 {
1127 	u8 i;
1128 
1129 	qla2x00_mark_all_devices_lost(vha);
1130 
1131 	for (i = 0; i < 10; i++) {
1132 		if (wait_event_timeout(vha->fcport_waitQ,
1133 		    test_fcport_count(vha), HZ) > 0)
1134 			break;
1135 	}
1136 
1137 	flush_workqueue(vha->hw->wq);
1138 }
1139 
1140 /*
1141  * qla2x00_wait_for_hba_ready
1142  * Wait till the HBA is ready before doing driver unload
1143  *
1144  * Input:
1145  *     ha - pointer to host adapter structure
1146  *
1147  * Note:
1148  *    Does context switching-Release SPIN_LOCK
1149  *    (if any) before calling this routine.
1150  *
1151  */
1152 static void
1153 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1154 {
1155 	struct qla_hw_data *ha = vha->hw;
1156 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1157 
1158 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1159 		ha->flags.mbox_busy) ||
1160 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1161 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1162 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1163 			break;
1164 		msleep(1000);
1165 	}
1166 }
1167 
1168 int
1169 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1170 {
1171 	int		return_status;
1172 	unsigned long	wait_reset;
1173 	struct qla_hw_data *ha = vha->hw;
1174 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1175 
1176 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1177 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1178 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1179 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1180 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1181 
1182 		msleep(1000);
1183 
1184 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1185 		    ha->flags.chip_reset_done)
1186 			break;
1187 	}
1188 	if (ha->flags.chip_reset_done)
1189 		return_status = QLA_SUCCESS;
1190 	else
1191 		return_status = QLA_FUNCTION_FAILED;
1192 
1193 	return return_status;
1194 }
1195 
1196 #define ISP_REG_DISCONNECT 0xffffffffU
1197 /**************************************************************************
1198 * qla2x00_isp_reg_stat
1199 *
1200 * Description:
1201 *	Read the host status register of ISP before aborting the command.
1202 *
1203 * Input:
1204 *	ha = pointer to host adapter structure.
1205 *
1206 *
1207 * Returns:
1208 *	Either true or false.
1209 *
1210 * Note:	Return true if there is register disconnect.
1211 **************************************************************************/
1212 static inline
1213 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1214 {
1215 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1216 	struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1217 
1218 	if (IS_P3P_TYPE(ha))
1219 		return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
1220 	else
1221 		return ((RD_REG_DWORD(&reg->host_status)) ==
1222 			ISP_REG_DISCONNECT);
1223 }
1224 
1225 /**************************************************************************
1226 * qla2xxx_eh_abort
1227 *
1228 * Description:
1229 *    The abort function will abort the specified command.
1230 *
1231 * Input:
1232 *    cmd = Linux SCSI command packet to be aborted.
1233 *
1234 * Returns:
1235 *    Either SUCCESS or FAILED.
1236 *
1237 * Note:
1238 *    Only return FAILED if command not returned by firmware.
1239 **************************************************************************/
1240 static int
1241 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1242 {
1243 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1244 	DECLARE_COMPLETION_ONSTACK(comp);
1245 	srb_t *sp;
1246 	int ret;
1247 	unsigned int id;
1248 	uint64_t lun;
1249 	int rval;
1250 	struct qla_hw_data *ha = vha->hw;
1251 	uint32_t ratov_j;
1252 	struct qla_qpair *qpair;
1253 	unsigned long flags;
1254 
1255 	if (qla2x00_isp_reg_stat(ha)) {
1256 		ql_log(ql_log_info, vha, 0x8042,
1257 		    "PCI/Register disconnect, exiting.\n");
1258 		return FAILED;
1259 	}
1260 
1261 	ret = fc_block_scsi_eh(cmd);
1262 	if (ret != 0)
1263 		return ret;
1264 
1265 	sp = scsi_cmd_priv(cmd);
1266 	qpair = sp->qpair;
1267 
1268 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1269 		return SUCCESS;
1270 
1271 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1272 	sp->comp = &comp;
1273 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1274 
1275 
1276 	id = cmd->device->id;
1277 	lun = cmd->device->lun;
1278 
1279 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1280 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1281 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1282 
1283 	/*
1284 	 * Abort will release the original Command/sp from FW. Let the
1285 	 * original command call scsi_done. In return, he will wakeup
1286 	 * this sleeping thread.
1287 	 */
1288 	rval = ha->isp_ops->abort_command(sp);
1289 
1290 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1291 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1292 
1293 	/* Wait for the command completion. */
1294 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1295 	ratov_j = msecs_to_jiffies(ratov_j);
1296 	switch (rval) {
1297 	case QLA_SUCCESS:
1298 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1299 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1300 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1301 			    __func__, ha->r_a_tov/10);
1302 			ret = FAILED;
1303 		} else {
1304 			ret = SUCCESS;
1305 		}
1306 		break;
1307 	default:
1308 		ret = FAILED;
1309 		break;
1310 	}
1311 
1312 	sp->comp = NULL;
1313 
1314 	ql_log(ql_log_info, vha, 0x801c,
1315 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1316 	    vha->host_no, id, lun, ret);
1317 
1318 	return ret;
1319 }
1320 
1321 /*
1322  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1323  */
1324 int
1325 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1326 	uint64_t l, enum nexus_wait_type type)
1327 {
1328 	int cnt, match, status;
1329 	unsigned long flags;
1330 	struct qla_hw_data *ha = vha->hw;
1331 	struct req_que *req;
1332 	srb_t *sp;
1333 	struct scsi_cmnd *cmd;
1334 
1335 	status = QLA_SUCCESS;
1336 
1337 	spin_lock_irqsave(&ha->hardware_lock, flags);
1338 	req = vha->req;
1339 	for (cnt = 1; status == QLA_SUCCESS &&
1340 		cnt < req->num_outstanding_cmds; cnt++) {
1341 		sp = req->outstanding_cmds[cnt];
1342 		if (!sp)
1343 			continue;
1344 		if (sp->type != SRB_SCSI_CMD)
1345 			continue;
1346 		if (vha->vp_idx != sp->vha->vp_idx)
1347 			continue;
1348 		match = 0;
1349 		cmd = GET_CMD_SP(sp);
1350 		switch (type) {
1351 		case WAIT_HOST:
1352 			match = 1;
1353 			break;
1354 		case WAIT_TARGET:
1355 			match = cmd->device->id == t;
1356 			break;
1357 		case WAIT_LUN:
1358 			match = (cmd->device->id == t &&
1359 				cmd->device->lun == l);
1360 			break;
1361 		}
1362 		if (!match)
1363 			continue;
1364 
1365 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
1366 		status = qla2x00_eh_wait_on_command(cmd);
1367 		spin_lock_irqsave(&ha->hardware_lock, flags);
1368 	}
1369 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1370 
1371 	return status;
1372 }
1373 
1374 static char *reset_errors[] = {
1375 	"HBA not online",
1376 	"HBA not ready",
1377 	"Task management failed",
1378 	"Waiting for command completions",
1379 };
1380 
1381 static int
1382 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1383     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1384 {
1385 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1386 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1387 	int err;
1388 
1389 	if (!fcport) {
1390 		return FAILED;
1391 	}
1392 
1393 	err = fc_block_scsi_eh(cmd);
1394 	if (err != 0)
1395 		return err;
1396 
1397 	if (fcport->deleted)
1398 		return SUCCESS;
1399 
1400 	ql_log(ql_log_info, vha, 0x8009,
1401 	    "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1402 	    cmd->device->id, cmd->device->lun, cmd);
1403 
1404 	err = 0;
1405 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1406 		ql_log(ql_log_warn, vha, 0x800a,
1407 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1408 		goto eh_reset_failed;
1409 	}
1410 	err = 2;
1411 	if (do_reset(fcport, cmd->device->lun, 1)
1412 		!= QLA_SUCCESS) {
1413 		ql_log(ql_log_warn, vha, 0x800c,
1414 		    "do_reset failed for cmd=%p.\n", cmd);
1415 		goto eh_reset_failed;
1416 	}
1417 	err = 3;
1418 	if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1419 	    cmd->device->lun, type) != QLA_SUCCESS) {
1420 		ql_log(ql_log_warn, vha, 0x800d,
1421 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1422 		goto eh_reset_failed;
1423 	}
1424 
1425 	ql_log(ql_log_info, vha, 0x800e,
1426 	    "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1427 	    vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1428 
1429 	return SUCCESS;
1430 
1431 eh_reset_failed:
1432 	ql_log(ql_log_info, vha, 0x800f,
1433 	    "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1434 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1435 	    cmd);
1436 	return FAILED;
1437 }
1438 
1439 static int
1440 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1441 {
1442 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1443 	struct qla_hw_data *ha = vha->hw;
1444 
1445 	if (qla2x00_isp_reg_stat(ha)) {
1446 		ql_log(ql_log_info, vha, 0x803e,
1447 		    "PCI/Register disconnect, exiting.\n");
1448 		return FAILED;
1449 	}
1450 
1451 	return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1452 	    ha->isp_ops->lun_reset);
1453 }
1454 
1455 static int
1456 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1457 {
1458 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1459 	struct qla_hw_data *ha = vha->hw;
1460 
1461 	if (qla2x00_isp_reg_stat(ha)) {
1462 		ql_log(ql_log_info, vha, 0x803f,
1463 		    "PCI/Register disconnect, exiting.\n");
1464 		return FAILED;
1465 	}
1466 
1467 	return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1468 	    ha->isp_ops->target_reset);
1469 }
1470 
1471 /**************************************************************************
1472 * qla2xxx_eh_bus_reset
1473 *
1474 * Description:
1475 *    The bus reset function will reset the bus and abort any executing
1476 *    commands.
1477 *
1478 * Input:
1479 *    cmd = Linux SCSI command packet of the command that cause the
1480 *          bus reset.
1481 *
1482 * Returns:
1483 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1484 *
1485 **************************************************************************/
1486 static int
1487 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1488 {
1489 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1490 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1491 	int ret = FAILED;
1492 	unsigned int id;
1493 	uint64_t lun;
1494 	struct qla_hw_data *ha = vha->hw;
1495 
1496 	if (qla2x00_isp_reg_stat(ha)) {
1497 		ql_log(ql_log_info, vha, 0x8040,
1498 		    "PCI/Register disconnect, exiting.\n");
1499 		return FAILED;
1500 	}
1501 
1502 	id = cmd->device->id;
1503 	lun = cmd->device->lun;
1504 
1505 	if (!fcport) {
1506 		return ret;
1507 	}
1508 
1509 	ret = fc_block_scsi_eh(cmd);
1510 	if (ret != 0)
1511 		return ret;
1512 	ret = FAILED;
1513 
1514 	if (qla2x00_chip_is_down(vha))
1515 		return ret;
1516 
1517 	ql_log(ql_log_info, vha, 0x8012,
1518 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1519 
1520 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1521 		ql_log(ql_log_fatal, vha, 0x8013,
1522 		    "Wait for hba online failed board disabled.\n");
1523 		goto eh_bus_reset_done;
1524 	}
1525 
1526 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1527 		ret = SUCCESS;
1528 
1529 	if (ret == FAILED)
1530 		goto eh_bus_reset_done;
1531 
1532 	/* Flush outstanding commands. */
1533 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1534 	    QLA_SUCCESS) {
1535 		ql_log(ql_log_warn, vha, 0x8014,
1536 		    "Wait for pending commands failed.\n");
1537 		ret = FAILED;
1538 	}
1539 
1540 eh_bus_reset_done:
1541 	ql_log(ql_log_warn, vha, 0x802b,
1542 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1543 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1544 
1545 	return ret;
1546 }
1547 
1548 /**************************************************************************
1549 * qla2xxx_eh_host_reset
1550 *
1551 * Description:
1552 *    The reset function will reset the Adapter.
1553 *
1554 * Input:
1555 *      cmd = Linux SCSI command packet of the command that cause the
1556 *            adapter reset.
1557 *
1558 * Returns:
1559 *      Either SUCCESS or FAILED.
1560 *
1561 * Note:
1562 **************************************************************************/
1563 static int
1564 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1565 {
1566 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1567 	struct qla_hw_data *ha = vha->hw;
1568 	int ret = FAILED;
1569 	unsigned int id;
1570 	uint64_t lun;
1571 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1572 
1573 	if (qla2x00_isp_reg_stat(ha)) {
1574 		ql_log(ql_log_info, vha, 0x8041,
1575 		    "PCI/Register disconnect, exiting.\n");
1576 		schedule_work(&ha->board_disable);
1577 		return SUCCESS;
1578 	}
1579 
1580 	id = cmd->device->id;
1581 	lun = cmd->device->lun;
1582 
1583 	ql_log(ql_log_info, vha, 0x8018,
1584 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1585 
1586 	/*
1587 	 * No point in issuing another reset if one is active.  Also do not
1588 	 * attempt a reset if we are updating flash.
1589 	 */
1590 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1591 		goto eh_host_reset_lock;
1592 
1593 	if (vha != base_vha) {
1594 		if (qla2x00_vp_abort_isp(vha))
1595 			goto eh_host_reset_lock;
1596 	} else {
1597 		if (IS_P3P_TYPE(vha->hw)) {
1598 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1599 				/* Ctx reset success */
1600 				ret = SUCCESS;
1601 				goto eh_host_reset_lock;
1602 			}
1603 			/* fall thru if ctx reset failed */
1604 		}
1605 		if (ha->wq)
1606 			flush_workqueue(ha->wq);
1607 
1608 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1609 		if (ha->isp_ops->abort_isp(base_vha)) {
1610 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1611 			/* failed. schedule dpc to try */
1612 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1613 
1614 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1615 				ql_log(ql_log_warn, vha, 0x802a,
1616 				    "wait for hba online failed.\n");
1617 				goto eh_host_reset_lock;
1618 			}
1619 		}
1620 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1621 	}
1622 
1623 	/* Waiting for command to be returned to OS.*/
1624 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1625 		QLA_SUCCESS)
1626 		ret = SUCCESS;
1627 
1628 eh_host_reset_lock:
1629 	ql_log(ql_log_info, vha, 0x8017,
1630 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1631 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1632 
1633 	return ret;
1634 }
1635 
1636 /*
1637 * qla2x00_loop_reset
1638 *      Issue loop reset.
1639 *
1640 * Input:
1641 *      ha = adapter block pointer.
1642 *
1643 * Returns:
1644 *      0 = success
1645 */
1646 int
1647 qla2x00_loop_reset(scsi_qla_host_t *vha)
1648 {
1649 	int ret;
1650 	struct fc_port *fcport;
1651 	struct qla_hw_data *ha = vha->hw;
1652 
1653 	if (IS_QLAFX00(ha)) {
1654 		return qlafx00_loop_reset(vha);
1655 	}
1656 
1657 	if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1658 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1659 			if (fcport->port_type != FCT_TARGET)
1660 				continue;
1661 
1662 			ret = ha->isp_ops->target_reset(fcport, 0, 0);
1663 			if (ret != QLA_SUCCESS) {
1664 				ql_dbg(ql_dbg_taskm, vha, 0x802c,
1665 				    "Bus Reset failed: Reset=%d "
1666 				    "d_id=%x.\n", ret, fcport->d_id.b24);
1667 			}
1668 		}
1669 	}
1670 
1671 
1672 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1673 		atomic_set(&vha->loop_state, LOOP_DOWN);
1674 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1675 		qla2x00_mark_all_devices_lost(vha);
1676 		ret = qla2x00_full_login_lip(vha);
1677 		if (ret != QLA_SUCCESS) {
1678 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1679 			    "full_login_lip=%d.\n", ret);
1680 		}
1681 	}
1682 
1683 	if (ha->flags.enable_lip_reset) {
1684 		ret = qla2x00_lip_reset(vha);
1685 		if (ret != QLA_SUCCESS)
1686 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1687 			    "lip_reset failed (%d).\n", ret);
1688 	}
1689 
1690 	/* Issue marker command only when we are going to start the I/O */
1691 	vha->marker_needed = 1;
1692 
1693 	return QLA_SUCCESS;
1694 }
1695 
1696 /*
1697  * The caller must ensure that no completion interrupts will happen
1698  * while this function is in progress.
1699  */
1700 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1701 			      unsigned long *flags)
1702 	__releases(qp->qp_lock_ptr)
1703 	__acquires(qp->qp_lock_ptr)
1704 {
1705 	DECLARE_COMPLETION_ONSTACK(comp);
1706 	scsi_qla_host_t *vha = qp->vha;
1707 	struct qla_hw_data *ha = vha->hw;
1708 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1709 	int rval;
1710 	bool ret_cmd;
1711 	uint32_t ratov_j;
1712 
1713 	lockdep_assert_held(qp->qp_lock_ptr);
1714 
1715 	if (qla2x00_chip_is_down(vha)) {
1716 		sp->done(sp, res);
1717 		return;
1718 	}
1719 
1720 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1721 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1722 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1723 	     !qla2x00_isp_reg_stat(ha))) {
1724 		if (sp->comp) {
1725 			sp->done(sp, res);
1726 			return;
1727 		}
1728 
1729 		sp->comp = &comp;
1730 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1731 
1732 		rval = ha->isp_ops->abort_command(sp);
1733 		/* Wait for command completion. */
1734 		ret_cmd = false;
1735 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1736 		ratov_j = msecs_to_jiffies(ratov_j);
1737 		switch (rval) {
1738 		case QLA_SUCCESS:
1739 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1740 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1741 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1742 				    __func__, ha->r_a_tov/10);
1743 				ret_cmd = true;
1744 			}
1745 			/* else FW return SP to driver */
1746 			break;
1747 		default:
1748 			ret_cmd = true;
1749 			break;
1750 		}
1751 
1752 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1753 		if (ret_cmd && blk_mq_request_started(cmd->request))
1754 			sp->done(sp, res);
1755 	} else {
1756 		sp->done(sp, res);
1757 	}
1758 }
1759 
1760 /*
1761  * The caller must ensure that no completion interrupts will happen
1762  * while this function is in progress.
1763  */
1764 static void
1765 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1766 {
1767 	int cnt;
1768 	unsigned long flags;
1769 	srb_t *sp;
1770 	scsi_qla_host_t *vha = qp->vha;
1771 	struct qla_hw_data *ha = vha->hw;
1772 	struct req_que *req;
1773 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1774 	struct qla_tgt_cmd *cmd;
1775 
1776 	if (!ha->req_q_map)
1777 		return;
1778 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1779 	req = qp->req;
1780 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1781 		sp = req->outstanding_cmds[cnt];
1782 		if (sp) {
1783 			switch (sp->cmd_type) {
1784 			case TYPE_SRB:
1785 				qla2x00_abort_srb(qp, sp, res, &flags);
1786 				break;
1787 			case TYPE_TGT_CMD:
1788 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1789 				    qla_ini_mode_enabled(vha)) {
1790 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1791 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1792 					    vha->dpc_flags);
1793 					continue;
1794 				}
1795 				cmd = (struct qla_tgt_cmd *)sp;
1796 				cmd->aborted = 1;
1797 				break;
1798 			case TYPE_TGT_TMCMD:
1799 				/* Skip task management functions. */
1800 				break;
1801 			default:
1802 				break;
1803 			}
1804 			req->outstanding_cmds[cnt] = NULL;
1805 		}
1806 	}
1807 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1808 }
1809 
1810 /*
1811  * The caller must ensure that no completion interrupts will happen
1812  * while this function is in progress.
1813  */
1814 void
1815 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1816 {
1817 	int que;
1818 	struct qla_hw_data *ha = vha->hw;
1819 
1820 	/* Continue only if initialization complete. */
1821 	if (!ha->base_qpair)
1822 		return;
1823 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1824 
1825 	if (!ha->queue_pair_map)
1826 		return;
1827 	for (que = 0; que < ha->max_qpairs; que++) {
1828 		if (!ha->queue_pair_map[que])
1829 			continue;
1830 
1831 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1832 	}
1833 }
1834 
1835 static int
1836 qla2xxx_slave_alloc(struct scsi_device *sdev)
1837 {
1838 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1839 
1840 	if (!rport || fc_remote_port_chkready(rport))
1841 		return -ENXIO;
1842 
1843 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1844 
1845 	return 0;
1846 }
1847 
1848 static int
1849 qla2xxx_slave_configure(struct scsi_device *sdev)
1850 {
1851 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1852 	struct req_que *req = vha->req;
1853 
1854 	if (IS_T10_PI_CAPABLE(vha->hw))
1855 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1856 
1857 	scsi_change_queue_depth(sdev, req->max_q_depth);
1858 	return 0;
1859 }
1860 
1861 static void
1862 qla2xxx_slave_destroy(struct scsi_device *sdev)
1863 {
1864 	sdev->hostdata = NULL;
1865 }
1866 
1867 /**
1868  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1869  * @ha: HA context
1870  *
1871  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1872  * supported addressing method.
1873  */
1874 static void
1875 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1876 {
1877 	/* Assume a 32bit DMA mask. */
1878 	ha->flags.enable_64bit_addressing = 0;
1879 
1880 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1881 		/* Any upper-dword bits set? */
1882 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1883 		    !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1884 			/* Ok, a 64bit DMA mask is applicable. */
1885 			ha->flags.enable_64bit_addressing = 1;
1886 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1887 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1888 			return;
1889 		}
1890 	}
1891 
1892 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1893 	pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1894 }
1895 
1896 static void
1897 qla2x00_enable_intrs(struct qla_hw_data *ha)
1898 {
1899 	unsigned long flags = 0;
1900 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1901 
1902 	spin_lock_irqsave(&ha->hardware_lock, flags);
1903 	ha->interrupts_on = 1;
1904 	/* enable risc and host interrupts */
1905 	WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1906 	RD_REG_WORD(&reg->ictrl);
1907 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1908 
1909 }
1910 
1911 static void
1912 qla2x00_disable_intrs(struct qla_hw_data *ha)
1913 {
1914 	unsigned long flags = 0;
1915 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1916 
1917 	spin_lock_irqsave(&ha->hardware_lock, flags);
1918 	ha->interrupts_on = 0;
1919 	/* disable risc and host interrupts */
1920 	WRT_REG_WORD(&reg->ictrl, 0);
1921 	RD_REG_WORD(&reg->ictrl);
1922 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1923 }
1924 
1925 static void
1926 qla24xx_enable_intrs(struct qla_hw_data *ha)
1927 {
1928 	unsigned long flags = 0;
1929 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1930 
1931 	spin_lock_irqsave(&ha->hardware_lock, flags);
1932 	ha->interrupts_on = 1;
1933 	WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1934 	RD_REG_DWORD(&reg->ictrl);
1935 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1936 }
1937 
1938 static void
1939 qla24xx_disable_intrs(struct qla_hw_data *ha)
1940 {
1941 	unsigned long flags = 0;
1942 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1943 
1944 	if (IS_NOPOLLING_TYPE(ha))
1945 		return;
1946 	spin_lock_irqsave(&ha->hardware_lock, flags);
1947 	ha->interrupts_on = 0;
1948 	WRT_REG_DWORD(&reg->ictrl, 0);
1949 	RD_REG_DWORD(&reg->ictrl);
1950 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1951 }
1952 
1953 static int
1954 qla2x00_iospace_config(struct qla_hw_data *ha)
1955 {
1956 	resource_size_t pio;
1957 	uint16_t msix;
1958 
1959 	if (pci_request_selected_regions(ha->pdev, ha->bars,
1960 	    QLA2XXX_DRIVER_NAME)) {
1961 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1962 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1963 		    pci_name(ha->pdev));
1964 		goto iospace_error_exit;
1965 	}
1966 	if (!(ha->bars & 1))
1967 		goto skip_pio;
1968 
1969 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
1970 	pio = pci_resource_start(ha->pdev, 0);
1971 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1972 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1973 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1974 			    "Invalid pci I/O region size (%s).\n",
1975 			    pci_name(ha->pdev));
1976 			pio = 0;
1977 		}
1978 	} else {
1979 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1980 		    "Region #0 no a PIO resource (%s).\n",
1981 		    pci_name(ha->pdev));
1982 		pio = 0;
1983 	}
1984 	ha->pio_address = pio;
1985 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1986 	    "PIO address=%llu.\n",
1987 	    (unsigned long long)ha->pio_address);
1988 
1989 skip_pio:
1990 	/* Use MMIO operations for all accesses. */
1991 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1992 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1993 		    "Region #1 not an MMIO resource (%s), aborting.\n",
1994 		    pci_name(ha->pdev));
1995 		goto iospace_error_exit;
1996 	}
1997 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1998 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1999 		    "Invalid PCI mem region size (%s), aborting.\n",
2000 		    pci_name(ha->pdev));
2001 		goto iospace_error_exit;
2002 	}
2003 
2004 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2005 	if (!ha->iobase) {
2006 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2007 		    "Cannot remap MMIO (%s), aborting.\n",
2008 		    pci_name(ha->pdev));
2009 		goto iospace_error_exit;
2010 	}
2011 
2012 	/* Determine queue resources */
2013 	ha->max_req_queues = ha->max_rsp_queues = 1;
2014 	ha->msix_count = QLA_BASE_VECTORS;
2015 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2016 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2017 		goto mqiobase_exit;
2018 
2019 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2020 			pci_resource_len(ha->pdev, 3));
2021 	if (ha->mqiobase) {
2022 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2023 		    "MQIO Base=%p.\n", ha->mqiobase);
2024 		/* Read MSIX vector size of the board */
2025 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2026 		ha->msix_count = msix + 1;
2027 		/* Max queues are bounded by available msix vectors */
2028 		/* MB interrupt uses 1 vector */
2029 		ha->max_req_queues = ha->msix_count - 1;
2030 		ha->max_rsp_queues = ha->max_req_queues;
2031 		/* Queue pairs is the max value minus the base queue pair */
2032 		ha->max_qpairs = ha->max_rsp_queues - 1;
2033 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2034 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2035 
2036 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2037 		    "MSI-X vector count: %d.\n", ha->msix_count);
2038 	} else
2039 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2040 		    "BAR 3 not enabled.\n");
2041 
2042 mqiobase_exit:
2043 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2044 	    "MSIX Count: %d.\n", ha->msix_count);
2045 	return (0);
2046 
2047 iospace_error_exit:
2048 	return (-ENOMEM);
2049 }
2050 
2051 
2052 static int
2053 qla83xx_iospace_config(struct qla_hw_data *ha)
2054 {
2055 	uint16_t msix;
2056 
2057 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2058 	    QLA2XXX_DRIVER_NAME)) {
2059 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2060 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2061 		    pci_name(ha->pdev));
2062 
2063 		goto iospace_error_exit;
2064 	}
2065 
2066 	/* Use MMIO operations for all accesses. */
2067 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2068 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2069 		    "Invalid pci I/O region size (%s).\n",
2070 		    pci_name(ha->pdev));
2071 		goto iospace_error_exit;
2072 	}
2073 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2074 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2075 		    "Invalid PCI mem region size (%s), aborting\n",
2076 			pci_name(ha->pdev));
2077 		goto iospace_error_exit;
2078 	}
2079 
2080 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2081 	if (!ha->iobase) {
2082 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2083 		    "Cannot remap MMIO (%s), aborting.\n",
2084 		    pci_name(ha->pdev));
2085 		goto iospace_error_exit;
2086 	}
2087 
2088 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2089 	/* 83XX 26XX always use MQ type access for queues
2090 	 * - mbar 2, a.k.a region 4 */
2091 	ha->max_req_queues = ha->max_rsp_queues = 1;
2092 	ha->msix_count = QLA_BASE_VECTORS;
2093 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2094 			pci_resource_len(ha->pdev, 4));
2095 
2096 	if (!ha->mqiobase) {
2097 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2098 		    "BAR2/region4 not enabled\n");
2099 		goto mqiobase_exit;
2100 	}
2101 
2102 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2103 			pci_resource_len(ha->pdev, 2));
2104 	if (ha->msixbase) {
2105 		/* Read MSIX vector size of the board */
2106 		pci_read_config_word(ha->pdev,
2107 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2108 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2109 		/*
2110 		 * By default, driver uses at least two msix vectors
2111 		 * (default & rspq)
2112 		 */
2113 		if (ql2xmqsupport || ql2xnvmeenable) {
2114 			/* MB interrupt uses 1 vector */
2115 			ha->max_req_queues = ha->msix_count - 1;
2116 
2117 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2118 			if (QLA_TGT_MODE_ENABLED())
2119 				ha->max_req_queues--;
2120 
2121 			ha->max_rsp_queues = ha->max_req_queues;
2122 
2123 			/* Queue pairs is the max value minus
2124 			 * the base queue pair */
2125 			ha->max_qpairs = ha->max_req_queues - 1;
2126 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2127 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2128 		}
2129 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2130 		    "MSI-X vector count: %d.\n", ha->msix_count);
2131 	} else
2132 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2133 		    "BAR 1 not enabled.\n");
2134 
2135 mqiobase_exit:
2136 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2137 	    "MSIX Count: %d.\n", ha->msix_count);
2138 	return 0;
2139 
2140 iospace_error_exit:
2141 	return -ENOMEM;
2142 }
2143 
2144 static struct isp_operations qla2100_isp_ops = {
2145 	.pci_config		= qla2100_pci_config,
2146 	.reset_chip		= qla2x00_reset_chip,
2147 	.chip_diag		= qla2x00_chip_diag,
2148 	.config_rings		= qla2x00_config_rings,
2149 	.reset_adapter		= qla2x00_reset_adapter,
2150 	.nvram_config		= qla2x00_nvram_config,
2151 	.update_fw_options	= qla2x00_update_fw_options,
2152 	.load_risc		= qla2x00_load_risc,
2153 	.pci_info_str		= qla2x00_pci_info_str,
2154 	.fw_version_str		= qla2x00_fw_version_str,
2155 	.intr_handler		= qla2100_intr_handler,
2156 	.enable_intrs		= qla2x00_enable_intrs,
2157 	.disable_intrs		= qla2x00_disable_intrs,
2158 	.abort_command		= qla2x00_abort_command,
2159 	.target_reset		= qla2x00_abort_target,
2160 	.lun_reset		= qla2x00_lun_reset,
2161 	.fabric_login		= qla2x00_login_fabric,
2162 	.fabric_logout		= qla2x00_fabric_logout,
2163 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2164 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2165 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2166 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2167 	.read_nvram		= qla2x00_read_nvram_data,
2168 	.write_nvram		= qla2x00_write_nvram_data,
2169 	.fw_dump		= qla2100_fw_dump,
2170 	.beacon_on		= NULL,
2171 	.beacon_off		= NULL,
2172 	.beacon_blink		= NULL,
2173 	.read_optrom		= qla2x00_read_optrom_data,
2174 	.write_optrom		= qla2x00_write_optrom_data,
2175 	.get_flash_version	= qla2x00_get_flash_version,
2176 	.start_scsi		= qla2x00_start_scsi,
2177 	.start_scsi_mq          = NULL,
2178 	.abort_isp		= qla2x00_abort_isp,
2179 	.iospace_config     	= qla2x00_iospace_config,
2180 	.initialize_adapter	= qla2x00_initialize_adapter,
2181 };
2182 
2183 static struct isp_operations qla2300_isp_ops = {
2184 	.pci_config		= qla2300_pci_config,
2185 	.reset_chip		= qla2x00_reset_chip,
2186 	.chip_diag		= qla2x00_chip_diag,
2187 	.config_rings		= qla2x00_config_rings,
2188 	.reset_adapter		= qla2x00_reset_adapter,
2189 	.nvram_config		= qla2x00_nvram_config,
2190 	.update_fw_options	= qla2x00_update_fw_options,
2191 	.load_risc		= qla2x00_load_risc,
2192 	.pci_info_str		= qla2x00_pci_info_str,
2193 	.fw_version_str		= qla2x00_fw_version_str,
2194 	.intr_handler		= qla2300_intr_handler,
2195 	.enable_intrs		= qla2x00_enable_intrs,
2196 	.disable_intrs		= qla2x00_disable_intrs,
2197 	.abort_command		= qla2x00_abort_command,
2198 	.target_reset		= qla2x00_abort_target,
2199 	.lun_reset		= qla2x00_lun_reset,
2200 	.fabric_login		= qla2x00_login_fabric,
2201 	.fabric_logout		= qla2x00_fabric_logout,
2202 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2203 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2204 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2205 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2206 	.read_nvram		= qla2x00_read_nvram_data,
2207 	.write_nvram		= qla2x00_write_nvram_data,
2208 	.fw_dump		= qla2300_fw_dump,
2209 	.beacon_on		= qla2x00_beacon_on,
2210 	.beacon_off		= qla2x00_beacon_off,
2211 	.beacon_blink		= qla2x00_beacon_blink,
2212 	.read_optrom		= qla2x00_read_optrom_data,
2213 	.write_optrom		= qla2x00_write_optrom_data,
2214 	.get_flash_version	= qla2x00_get_flash_version,
2215 	.start_scsi		= qla2x00_start_scsi,
2216 	.start_scsi_mq          = NULL,
2217 	.abort_isp		= qla2x00_abort_isp,
2218 	.iospace_config		= qla2x00_iospace_config,
2219 	.initialize_adapter	= qla2x00_initialize_adapter,
2220 };
2221 
2222 static struct isp_operations qla24xx_isp_ops = {
2223 	.pci_config		= qla24xx_pci_config,
2224 	.reset_chip		= qla24xx_reset_chip,
2225 	.chip_diag		= qla24xx_chip_diag,
2226 	.config_rings		= qla24xx_config_rings,
2227 	.reset_adapter		= qla24xx_reset_adapter,
2228 	.nvram_config		= qla24xx_nvram_config,
2229 	.update_fw_options	= qla24xx_update_fw_options,
2230 	.load_risc		= qla24xx_load_risc,
2231 	.pci_info_str		= qla24xx_pci_info_str,
2232 	.fw_version_str		= qla24xx_fw_version_str,
2233 	.intr_handler		= qla24xx_intr_handler,
2234 	.enable_intrs		= qla24xx_enable_intrs,
2235 	.disable_intrs		= qla24xx_disable_intrs,
2236 	.abort_command		= qla24xx_abort_command,
2237 	.target_reset		= qla24xx_abort_target,
2238 	.lun_reset		= qla24xx_lun_reset,
2239 	.fabric_login		= qla24xx_login_fabric,
2240 	.fabric_logout		= qla24xx_fabric_logout,
2241 	.calc_req_entries	= NULL,
2242 	.build_iocbs		= NULL,
2243 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2244 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2245 	.read_nvram		= qla24xx_read_nvram_data,
2246 	.write_nvram		= qla24xx_write_nvram_data,
2247 	.fw_dump		= qla24xx_fw_dump,
2248 	.beacon_on		= qla24xx_beacon_on,
2249 	.beacon_off		= qla24xx_beacon_off,
2250 	.beacon_blink		= qla24xx_beacon_blink,
2251 	.read_optrom		= qla24xx_read_optrom_data,
2252 	.write_optrom		= qla24xx_write_optrom_data,
2253 	.get_flash_version	= qla24xx_get_flash_version,
2254 	.start_scsi		= qla24xx_start_scsi,
2255 	.start_scsi_mq          = NULL,
2256 	.abort_isp		= qla2x00_abort_isp,
2257 	.iospace_config		= qla2x00_iospace_config,
2258 	.initialize_adapter	= qla2x00_initialize_adapter,
2259 };
2260 
2261 static struct isp_operations qla25xx_isp_ops = {
2262 	.pci_config		= qla25xx_pci_config,
2263 	.reset_chip		= qla24xx_reset_chip,
2264 	.chip_diag		= qla24xx_chip_diag,
2265 	.config_rings		= qla24xx_config_rings,
2266 	.reset_adapter		= qla24xx_reset_adapter,
2267 	.nvram_config		= qla24xx_nvram_config,
2268 	.update_fw_options	= qla24xx_update_fw_options,
2269 	.load_risc		= qla24xx_load_risc,
2270 	.pci_info_str		= qla24xx_pci_info_str,
2271 	.fw_version_str		= qla24xx_fw_version_str,
2272 	.intr_handler		= qla24xx_intr_handler,
2273 	.enable_intrs		= qla24xx_enable_intrs,
2274 	.disable_intrs		= qla24xx_disable_intrs,
2275 	.abort_command		= qla24xx_abort_command,
2276 	.target_reset		= qla24xx_abort_target,
2277 	.lun_reset		= qla24xx_lun_reset,
2278 	.fabric_login		= qla24xx_login_fabric,
2279 	.fabric_logout		= qla24xx_fabric_logout,
2280 	.calc_req_entries	= NULL,
2281 	.build_iocbs		= NULL,
2282 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2283 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2284 	.read_nvram		= qla25xx_read_nvram_data,
2285 	.write_nvram		= qla25xx_write_nvram_data,
2286 	.fw_dump		= qla25xx_fw_dump,
2287 	.beacon_on		= qla24xx_beacon_on,
2288 	.beacon_off		= qla24xx_beacon_off,
2289 	.beacon_blink		= qla24xx_beacon_blink,
2290 	.read_optrom		= qla25xx_read_optrom_data,
2291 	.write_optrom		= qla24xx_write_optrom_data,
2292 	.get_flash_version	= qla24xx_get_flash_version,
2293 	.start_scsi		= qla24xx_dif_start_scsi,
2294 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2295 	.abort_isp		= qla2x00_abort_isp,
2296 	.iospace_config		= qla2x00_iospace_config,
2297 	.initialize_adapter	= qla2x00_initialize_adapter,
2298 };
2299 
2300 static struct isp_operations qla81xx_isp_ops = {
2301 	.pci_config		= qla25xx_pci_config,
2302 	.reset_chip		= qla24xx_reset_chip,
2303 	.chip_diag		= qla24xx_chip_diag,
2304 	.config_rings		= qla24xx_config_rings,
2305 	.reset_adapter		= qla24xx_reset_adapter,
2306 	.nvram_config		= qla81xx_nvram_config,
2307 	.update_fw_options	= qla24xx_update_fw_options,
2308 	.load_risc		= qla81xx_load_risc,
2309 	.pci_info_str		= qla24xx_pci_info_str,
2310 	.fw_version_str		= qla24xx_fw_version_str,
2311 	.intr_handler		= qla24xx_intr_handler,
2312 	.enable_intrs		= qla24xx_enable_intrs,
2313 	.disable_intrs		= qla24xx_disable_intrs,
2314 	.abort_command		= qla24xx_abort_command,
2315 	.target_reset		= qla24xx_abort_target,
2316 	.lun_reset		= qla24xx_lun_reset,
2317 	.fabric_login		= qla24xx_login_fabric,
2318 	.fabric_logout		= qla24xx_fabric_logout,
2319 	.calc_req_entries	= NULL,
2320 	.build_iocbs		= NULL,
2321 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2322 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2323 	.read_nvram		= NULL,
2324 	.write_nvram		= NULL,
2325 	.fw_dump		= qla81xx_fw_dump,
2326 	.beacon_on		= qla24xx_beacon_on,
2327 	.beacon_off		= qla24xx_beacon_off,
2328 	.beacon_blink		= qla83xx_beacon_blink,
2329 	.read_optrom		= qla25xx_read_optrom_data,
2330 	.write_optrom		= qla24xx_write_optrom_data,
2331 	.get_flash_version	= qla24xx_get_flash_version,
2332 	.start_scsi		= qla24xx_dif_start_scsi,
2333 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2334 	.abort_isp		= qla2x00_abort_isp,
2335 	.iospace_config		= qla2x00_iospace_config,
2336 	.initialize_adapter	= qla2x00_initialize_adapter,
2337 };
2338 
2339 static struct isp_operations qla82xx_isp_ops = {
2340 	.pci_config		= qla82xx_pci_config,
2341 	.reset_chip		= qla82xx_reset_chip,
2342 	.chip_diag		= qla24xx_chip_diag,
2343 	.config_rings		= qla82xx_config_rings,
2344 	.reset_adapter		= qla24xx_reset_adapter,
2345 	.nvram_config		= qla81xx_nvram_config,
2346 	.update_fw_options	= qla24xx_update_fw_options,
2347 	.load_risc		= qla82xx_load_risc,
2348 	.pci_info_str		= qla24xx_pci_info_str,
2349 	.fw_version_str		= qla24xx_fw_version_str,
2350 	.intr_handler		= qla82xx_intr_handler,
2351 	.enable_intrs		= qla82xx_enable_intrs,
2352 	.disable_intrs		= qla82xx_disable_intrs,
2353 	.abort_command		= qla24xx_abort_command,
2354 	.target_reset		= qla24xx_abort_target,
2355 	.lun_reset		= qla24xx_lun_reset,
2356 	.fabric_login		= qla24xx_login_fabric,
2357 	.fabric_logout		= qla24xx_fabric_logout,
2358 	.calc_req_entries	= NULL,
2359 	.build_iocbs		= NULL,
2360 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2361 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2362 	.read_nvram		= qla24xx_read_nvram_data,
2363 	.write_nvram		= qla24xx_write_nvram_data,
2364 	.fw_dump		= qla82xx_fw_dump,
2365 	.beacon_on		= qla82xx_beacon_on,
2366 	.beacon_off		= qla82xx_beacon_off,
2367 	.beacon_blink		= NULL,
2368 	.read_optrom		= qla82xx_read_optrom_data,
2369 	.write_optrom		= qla82xx_write_optrom_data,
2370 	.get_flash_version	= qla82xx_get_flash_version,
2371 	.start_scsi             = qla82xx_start_scsi,
2372 	.start_scsi_mq          = NULL,
2373 	.abort_isp		= qla82xx_abort_isp,
2374 	.iospace_config     	= qla82xx_iospace_config,
2375 	.initialize_adapter	= qla2x00_initialize_adapter,
2376 };
2377 
2378 static struct isp_operations qla8044_isp_ops = {
2379 	.pci_config		= qla82xx_pci_config,
2380 	.reset_chip		= qla82xx_reset_chip,
2381 	.chip_diag		= qla24xx_chip_diag,
2382 	.config_rings		= qla82xx_config_rings,
2383 	.reset_adapter		= qla24xx_reset_adapter,
2384 	.nvram_config		= qla81xx_nvram_config,
2385 	.update_fw_options	= qla24xx_update_fw_options,
2386 	.load_risc		= qla82xx_load_risc,
2387 	.pci_info_str		= qla24xx_pci_info_str,
2388 	.fw_version_str		= qla24xx_fw_version_str,
2389 	.intr_handler		= qla8044_intr_handler,
2390 	.enable_intrs		= qla82xx_enable_intrs,
2391 	.disable_intrs		= qla82xx_disable_intrs,
2392 	.abort_command		= qla24xx_abort_command,
2393 	.target_reset		= qla24xx_abort_target,
2394 	.lun_reset		= qla24xx_lun_reset,
2395 	.fabric_login		= qla24xx_login_fabric,
2396 	.fabric_logout		= qla24xx_fabric_logout,
2397 	.calc_req_entries	= NULL,
2398 	.build_iocbs		= NULL,
2399 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2400 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2401 	.read_nvram		= NULL,
2402 	.write_nvram		= NULL,
2403 	.fw_dump		= qla8044_fw_dump,
2404 	.beacon_on		= qla82xx_beacon_on,
2405 	.beacon_off		= qla82xx_beacon_off,
2406 	.beacon_blink		= NULL,
2407 	.read_optrom		= qla8044_read_optrom_data,
2408 	.write_optrom		= qla8044_write_optrom_data,
2409 	.get_flash_version	= qla82xx_get_flash_version,
2410 	.start_scsi             = qla82xx_start_scsi,
2411 	.start_scsi_mq          = NULL,
2412 	.abort_isp		= qla8044_abort_isp,
2413 	.iospace_config		= qla82xx_iospace_config,
2414 	.initialize_adapter	= qla2x00_initialize_adapter,
2415 };
2416 
2417 static struct isp_operations qla83xx_isp_ops = {
2418 	.pci_config		= qla25xx_pci_config,
2419 	.reset_chip		= qla24xx_reset_chip,
2420 	.chip_diag		= qla24xx_chip_diag,
2421 	.config_rings		= qla24xx_config_rings,
2422 	.reset_adapter		= qla24xx_reset_adapter,
2423 	.nvram_config		= qla81xx_nvram_config,
2424 	.update_fw_options	= qla24xx_update_fw_options,
2425 	.load_risc		= qla81xx_load_risc,
2426 	.pci_info_str		= qla24xx_pci_info_str,
2427 	.fw_version_str		= qla24xx_fw_version_str,
2428 	.intr_handler		= qla24xx_intr_handler,
2429 	.enable_intrs		= qla24xx_enable_intrs,
2430 	.disable_intrs		= qla24xx_disable_intrs,
2431 	.abort_command		= qla24xx_abort_command,
2432 	.target_reset		= qla24xx_abort_target,
2433 	.lun_reset		= qla24xx_lun_reset,
2434 	.fabric_login		= qla24xx_login_fabric,
2435 	.fabric_logout		= qla24xx_fabric_logout,
2436 	.calc_req_entries	= NULL,
2437 	.build_iocbs		= NULL,
2438 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2439 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2440 	.read_nvram		= NULL,
2441 	.write_nvram		= NULL,
2442 	.fw_dump		= qla83xx_fw_dump,
2443 	.beacon_on		= qla24xx_beacon_on,
2444 	.beacon_off		= qla24xx_beacon_off,
2445 	.beacon_blink		= qla83xx_beacon_blink,
2446 	.read_optrom		= qla25xx_read_optrom_data,
2447 	.write_optrom		= qla24xx_write_optrom_data,
2448 	.get_flash_version	= qla24xx_get_flash_version,
2449 	.start_scsi		= qla24xx_dif_start_scsi,
2450 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2451 	.abort_isp		= qla2x00_abort_isp,
2452 	.iospace_config		= qla83xx_iospace_config,
2453 	.initialize_adapter	= qla2x00_initialize_adapter,
2454 };
2455 
2456 static struct isp_operations qlafx00_isp_ops = {
2457 	.pci_config		= qlafx00_pci_config,
2458 	.reset_chip		= qlafx00_soft_reset,
2459 	.chip_diag		= qlafx00_chip_diag,
2460 	.config_rings		= qlafx00_config_rings,
2461 	.reset_adapter		= qlafx00_soft_reset,
2462 	.nvram_config		= NULL,
2463 	.update_fw_options	= NULL,
2464 	.load_risc		= NULL,
2465 	.pci_info_str		= qlafx00_pci_info_str,
2466 	.fw_version_str		= qlafx00_fw_version_str,
2467 	.intr_handler		= qlafx00_intr_handler,
2468 	.enable_intrs		= qlafx00_enable_intrs,
2469 	.disable_intrs		= qlafx00_disable_intrs,
2470 	.abort_command		= qla24xx_async_abort_command,
2471 	.target_reset		= qlafx00_abort_target,
2472 	.lun_reset		= qlafx00_lun_reset,
2473 	.fabric_login		= NULL,
2474 	.fabric_logout		= NULL,
2475 	.calc_req_entries	= NULL,
2476 	.build_iocbs		= NULL,
2477 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2478 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2479 	.read_nvram		= qla24xx_read_nvram_data,
2480 	.write_nvram		= qla24xx_write_nvram_data,
2481 	.fw_dump		= NULL,
2482 	.beacon_on		= qla24xx_beacon_on,
2483 	.beacon_off		= qla24xx_beacon_off,
2484 	.beacon_blink		= NULL,
2485 	.read_optrom		= qla24xx_read_optrom_data,
2486 	.write_optrom		= qla24xx_write_optrom_data,
2487 	.get_flash_version	= qla24xx_get_flash_version,
2488 	.start_scsi		= qlafx00_start_scsi,
2489 	.start_scsi_mq          = NULL,
2490 	.abort_isp		= qlafx00_abort_isp,
2491 	.iospace_config		= qlafx00_iospace_config,
2492 	.initialize_adapter	= qlafx00_initialize_adapter,
2493 };
2494 
2495 static struct isp_operations qla27xx_isp_ops = {
2496 	.pci_config		= qla25xx_pci_config,
2497 	.reset_chip		= qla24xx_reset_chip,
2498 	.chip_diag		= qla24xx_chip_diag,
2499 	.config_rings		= qla24xx_config_rings,
2500 	.reset_adapter		= qla24xx_reset_adapter,
2501 	.nvram_config		= qla81xx_nvram_config,
2502 	.update_fw_options	= qla24xx_update_fw_options,
2503 	.load_risc		= qla81xx_load_risc,
2504 	.pci_info_str		= qla24xx_pci_info_str,
2505 	.fw_version_str		= qla24xx_fw_version_str,
2506 	.intr_handler		= qla24xx_intr_handler,
2507 	.enable_intrs		= qla24xx_enable_intrs,
2508 	.disable_intrs		= qla24xx_disable_intrs,
2509 	.abort_command		= qla24xx_abort_command,
2510 	.target_reset		= qla24xx_abort_target,
2511 	.lun_reset		= qla24xx_lun_reset,
2512 	.fabric_login		= qla24xx_login_fabric,
2513 	.fabric_logout		= qla24xx_fabric_logout,
2514 	.calc_req_entries	= NULL,
2515 	.build_iocbs		= NULL,
2516 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2517 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2518 	.read_nvram		= NULL,
2519 	.write_nvram		= NULL,
2520 	.fw_dump		= qla27xx_fwdump,
2521 	.beacon_on		= qla24xx_beacon_on,
2522 	.beacon_off		= qla24xx_beacon_off,
2523 	.beacon_blink		= qla83xx_beacon_blink,
2524 	.read_optrom		= qla25xx_read_optrom_data,
2525 	.write_optrom		= qla24xx_write_optrom_data,
2526 	.get_flash_version	= qla24xx_get_flash_version,
2527 	.start_scsi		= qla24xx_dif_start_scsi,
2528 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2529 	.abort_isp		= qla2x00_abort_isp,
2530 	.iospace_config		= qla83xx_iospace_config,
2531 	.initialize_adapter	= qla2x00_initialize_adapter,
2532 };
2533 
2534 static inline void
2535 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2536 {
2537 	ha->device_type = DT_EXTENDED_IDS;
2538 	switch (ha->pdev->device) {
2539 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2540 		ha->isp_type |= DT_ISP2100;
2541 		ha->device_type &= ~DT_EXTENDED_IDS;
2542 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2543 		break;
2544 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2545 		ha->isp_type |= DT_ISP2200;
2546 		ha->device_type &= ~DT_EXTENDED_IDS;
2547 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2548 		break;
2549 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2550 		ha->isp_type |= DT_ISP2300;
2551 		ha->device_type |= DT_ZIO_SUPPORTED;
2552 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2553 		break;
2554 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2555 		ha->isp_type |= DT_ISP2312;
2556 		ha->device_type |= DT_ZIO_SUPPORTED;
2557 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2558 		break;
2559 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2560 		ha->isp_type |= DT_ISP2322;
2561 		ha->device_type |= DT_ZIO_SUPPORTED;
2562 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2563 		    ha->pdev->subsystem_device == 0x0170)
2564 			ha->device_type |= DT_OEM_001;
2565 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2566 		break;
2567 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2568 		ha->isp_type |= DT_ISP6312;
2569 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2570 		break;
2571 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2572 		ha->isp_type |= DT_ISP6322;
2573 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2574 		break;
2575 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2576 		ha->isp_type |= DT_ISP2422;
2577 		ha->device_type |= DT_ZIO_SUPPORTED;
2578 		ha->device_type |= DT_FWI2;
2579 		ha->device_type |= DT_IIDMA;
2580 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2581 		break;
2582 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2583 		ha->isp_type |= DT_ISP2432;
2584 		ha->device_type |= DT_ZIO_SUPPORTED;
2585 		ha->device_type |= DT_FWI2;
2586 		ha->device_type |= DT_IIDMA;
2587 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2588 		break;
2589 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2590 		ha->isp_type |= DT_ISP8432;
2591 		ha->device_type |= DT_ZIO_SUPPORTED;
2592 		ha->device_type |= DT_FWI2;
2593 		ha->device_type |= DT_IIDMA;
2594 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2595 		break;
2596 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2597 		ha->isp_type |= DT_ISP5422;
2598 		ha->device_type |= DT_FWI2;
2599 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2600 		break;
2601 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2602 		ha->isp_type |= DT_ISP5432;
2603 		ha->device_type |= DT_FWI2;
2604 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2605 		break;
2606 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2607 		ha->isp_type |= DT_ISP2532;
2608 		ha->device_type |= DT_ZIO_SUPPORTED;
2609 		ha->device_type |= DT_FWI2;
2610 		ha->device_type |= DT_IIDMA;
2611 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2612 		break;
2613 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2614 		ha->isp_type |= DT_ISP8001;
2615 		ha->device_type |= DT_ZIO_SUPPORTED;
2616 		ha->device_type |= DT_FWI2;
2617 		ha->device_type |= DT_IIDMA;
2618 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2619 		break;
2620 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2621 		ha->isp_type |= DT_ISP8021;
2622 		ha->device_type |= DT_ZIO_SUPPORTED;
2623 		ha->device_type |= DT_FWI2;
2624 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2625 		/* Initialize 82XX ISP flags */
2626 		qla82xx_init_flags(ha);
2627 		break;
2628 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2629 		ha->isp_type |= DT_ISP8044;
2630 		ha->device_type |= DT_ZIO_SUPPORTED;
2631 		ha->device_type |= DT_FWI2;
2632 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2633 		/* Initialize 82XX ISP flags */
2634 		qla82xx_init_flags(ha);
2635 		break;
2636 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2637 		ha->isp_type |= DT_ISP2031;
2638 		ha->device_type |= DT_ZIO_SUPPORTED;
2639 		ha->device_type |= DT_FWI2;
2640 		ha->device_type |= DT_IIDMA;
2641 		ha->device_type |= DT_T10_PI;
2642 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2643 		break;
2644 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2645 		ha->isp_type |= DT_ISP8031;
2646 		ha->device_type |= DT_ZIO_SUPPORTED;
2647 		ha->device_type |= DT_FWI2;
2648 		ha->device_type |= DT_IIDMA;
2649 		ha->device_type |= DT_T10_PI;
2650 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2651 		break;
2652 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2653 		ha->isp_type |= DT_ISPFX00;
2654 		break;
2655 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2656 		ha->isp_type |= DT_ISP2071;
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_ISP2271:
2664 		ha->isp_type |= DT_ISP2271;
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_ISP2261:
2672 		ha->isp_type |= DT_ISP2261;
2673 		ha->device_type |= DT_ZIO_SUPPORTED;
2674 		ha->device_type |= DT_FWI2;
2675 		ha->device_type |= DT_IIDMA;
2676 		ha->device_type |= DT_T10_PI;
2677 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2678 		break;
2679 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2680 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2681 		ha->isp_type |= DT_ISP2081;
2682 		ha->device_type |= DT_ZIO_SUPPORTED;
2683 		ha->device_type |= DT_FWI2;
2684 		ha->device_type |= DT_IIDMA;
2685 		ha->device_type |= DT_T10_PI;
2686 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2687 		break;
2688 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2689 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2690 		ha->isp_type |= DT_ISP2281;
2691 		ha->device_type |= DT_ZIO_SUPPORTED;
2692 		ha->device_type |= DT_FWI2;
2693 		ha->device_type |= DT_IIDMA;
2694 		ha->device_type |= DT_T10_PI;
2695 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2696 		break;
2697 	}
2698 
2699 	if (IS_QLA82XX(ha))
2700 		ha->port_no = ha->portnum & 1;
2701 	else {
2702 		/* Get adapter physical port no from interrupt pin register. */
2703 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2704 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2705 		    IS_QLA27XX(ha) || IS_QLA28XX(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 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2804 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2805 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2806 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2807 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2808 		mem_only = 1;
2809 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2810 		    "Mem only adapter.\n");
2811 	}
2812 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2813 	    "Bars=%d.\n", bars);
2814 
2815 	if (mem_only) {
2816 		if (pci_enable_device_mem(pdev))
2817 			return ret;
2818 	} else {
2819 		if (pci_enable_device(pdev))
2820 			return ret;
2821 	}
2822 
2823 	/* This may fail but that's ok */
2824 	pci_enable_pcie_error_reporting(pdev);
2825 
2826 	/* Turn off T10-DIF when FC-NVMe is enabled */
2827 	if (ql2xnvmeenable)
2828 		ql2xenabledif = 0;
2829 
2830 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2831 	if (!ha) {
2832 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2833 		    "Unable to allocate memory for ha.\n");
2834 		goto disable_device;
2835 	}
2836 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2837 	    "Memory allocated for ha=%p.\n", ha);
2838 	ha->pdev = pdev;
2839 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2840 	spin_lock_init(&ha->tgt.q_full_lock);
2841 	spin_lock_init(&ha->tgt.sess_lock);
2842 	spin_lock_init(&ha->tgt.atio_lock);
2843 
2844 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2845 
2846 	/* Clear our data area */
2847 	ha->bars = bars;
2848 	ha->mem_only = mem_only;
2849 	spin_lock_init(&ha->hardware_lock);
2850 	spin_lock_init(&ha->vport_slock);
2851 	mutex_init(&ha->selflogin_lock);
2852 	mutex_init(&ha->optrom_mutex);
2853 
2854 	/* Set ISP-type information. */
2855 	qla2x00_set_isp_flags(ha);
2856 
2857 	/* Set EEH reset type to fundamental if required by hba */
2858 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2859 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2860 		pdev->needs_freset = 1;
2861 
2862 	ha->prev_topology = 0;
2863 	ha->init_cb_size = sizeof(init_cb_t);
2864 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2865 	ha->optrom_size = OPTROM_SIZE_2300;
2866 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
2867 	atomic_set(&ha->num_pend_mbx_stage1, 0);
2868 	atomic_set(&ha->num_pend_mbx_stage2, 0);
2869 	atomic_set(&ha->num_pend_mbx_stage3, 0);
2870 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
2871 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
2872 
2873 	/* Assign ISP specific operations. */
2874 	if (IS_QLA2100(ha)) {
2875 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2876 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2877 		req_length = REQUEST_ENTRY_CNT_2100;
2878 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2879 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2880 		ha->gid_list_info_size = 4;
2881 		ha->flash_conf_off = ~0;
2882 		ha->flash_data_off = ~0;
2883 		ha->nvram_conf_off = ~0;
2884 		ha->nvram_data_off = ~0;
2885 		ha->isp_ops = &qla2100_isp_ops;
2886 	} else if (IS_QLA2200(ha)) {
2887 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2888 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2889 		req_length = REQUEST_ENTRY_CNT_2200;
2890 		rsp_length = RESPONSE_ENTRY_CNT_2100;
2891 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2892 		ha->gid_list_info_size = 4;
2893 		ha->flash_conf_off = ~0;
2894 		ha->flash_data_off = ~0;
2895 		ha->nvram_conf_off = ~0;
2896 		ha->nvram_data_off = ~0;
2897 		ha->isp_ops = &qla2100_isp_ops;
2898 	} else if (IS_QLA23XX(ha)) {
2899 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2900 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2901 		req_length = REQUEST_ENTRY_CNT_2200;
2902 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2903 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2904 		ha->gid_list_info_size = 6;
2905 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
2906 			ha->optrom_size = OPTROM_SIZE_2322;
2907 		ha->flash_conf_off = ~0;
2908 		ha->flash_data_off = ~0;
2909 		ha->nvram_conf_off = ~0;
2910 		ha->nvram_data_off = ~0;
2911 		ha->isp_ops = &qla2300_isp_ops;
2912 	} else if (IS_QLA24XX_TYPE(ha)) {
2913 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2914 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2915 		req_length = REQUEST_ENTRY_CNT_24XX;
2916 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2917 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2918 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2919 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2920 		ha->gid_list_info_size = 8;
2921 		ha->optrom_size = OPTROM_SIZE_24XX;
2922 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2923 		ha->isp_ops = &qla24xx_isp_ops;
2924 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2925 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2926 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2927 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2928 	} else if (IS_QLA25XX(ha)) {
2929 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2930 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2931 		req_length = REQUEST_ENTRY_CNT_24XX;
2932 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2933 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2934 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2935 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2936 		ha->gid_list_info_size = 8;
2937 		ha->optrom_size = OPTROM_SIZE_25XX;
2938 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2939 		ha->isp_ops = &qla25xx_isp_ops;
2940 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2941 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2942 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2943 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2944 	} else if (IS_QLA81XX(ha)) {
2945 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2946 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2947 		req_length = REQUEST_ENTRY_CNT_24XX;
2948 		rsp_length = RESPONSE_ENTRY_CNT_2300;
2949 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2950 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2951 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2952 		ha->gid_list_info_size = 8;
2953 		ha->optrom_size = OPTROM_SIZE_81XX;
2954 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2955 		ha->isp_ops = &qla81xx_isp_ops;
2956 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2957 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2958 		ha->nvram_conf_off = ~0;
2959 		ha->nvram_data_off = ~0;
2960 	} else if (IS_QLA82XX(ha)) {
2961 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2962 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2963 		req_length = REQUEST_ENTRY_CNT_82XX;
2964 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2965 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2966 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2967 		ha->gid_list_info_size = 8;
2968 		ha->optrom_size = OPTROM_SIZE_82XX;
2969 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2970 		ha->isp_ops = &qla82xx_isp_ops;
2971 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2972 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2973 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2974 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2975 	} else if (IS_QLA8044(ha)) {
2976 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2977 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2978 		req_length = REQUEST_ENTRY_CNT_82XX;
2979 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
2980 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2981 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2982 		ha->gid_list_info_size = 8;
2983 		ha->optrom_size = OPTROM_SIZE_83XX;
2984 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2985 		ha->isp_ops = &qla8044_isp_ops;
2986 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2987 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2988 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2989 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2990 	} else if (IS_QLA83XX(ha)) {
2991 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
2992 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2993 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
2994 		req_length = REQUEST_ENTRY_CNT_83XX;
2995 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
2996 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2997 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2998 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2999 		ha->gid_list_info_size = 8;
3000 		ha->optrom_size = OPTROM_SIZE_83XX;
3001 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3002 		ha->isp_ops = &qla83xx_isp_ops;
3003 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3004 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3005 		ha->nvram_conf_off = ~0;
3006 		ha->nvram_data_off = ~0;
3007 	}  else if (IS_QLAFX00(ha)) {
3008 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3009 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3010 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3011 		req_length = REQUEST_ENTRY_CNT_FX00;
3012 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3013 		ha->isp_ops = &qlafx00_isp_ops;
3014 		ha->port_down_retry_count = 30; /* default value */
3015 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3016 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3017 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3018 		ha->mr.fw_hbt_en = 1;
3019 		ha->mr.host_info_resend = false;
3020 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3021 	} else if (IS_QLA27XX(ha)) {
3022 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3023 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3024 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3025 		req_length = REQUEST_ENTRY_CNT_83XX;
3026 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3027 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3028 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3029 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3030 		ha->gid_list_info_size = 8;
3031 		ha->optrom_size = OPTROM_SIZE_83XX;
3032 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3033 		ha->isp_ops = &qla27xx_isp_ops;
3034 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3035 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3036 		ha->nvram_conf_off = ~0;
3037 		ha->nvram_data_off = ~0;
3038 	} else if (IS_QLA28XX(ha)) {
3039 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3040 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3041 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3042 		req_length = REQUEST_ENTRY_CNT_24XX;
3043 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3044 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3045 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3046 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3047 		ha->gid_list_info_size = 8;
3048 		ha->optrom_size = OPTROM_SIZE_28XX;
3049 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3050 		ha->isp_ops = &qla27xx_isp_ops;
3051 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3052 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3053 		ha->nvram_conf_off = ~0;
3054 		ha->nvram_data_off = ~0;
3055 	}
3056 
3057 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3058 	    "mbx_count=%d, req_length=%d, "
3059 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3060 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3061 	    "max_fibre_devices=%d.\n",
3062 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3063 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3064 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3065 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3066 	    "isp_ops=%p, flash_conf_off=%d, "
3067 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3068 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3069 	    ha->nvram_conf_off, ha->nvram_data_off);
3070 
3071 	/* Configure PCI I/O space */
3072 	ret = ha->isp_ops->iospace_config(ha);
3073 	if (ret)
3074 		goto iospace_config_failed;
3075 
3076 	ql_log_pci(ql_log_info, pdev, 0x001d,
3077 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3078 	    pdev->device, pdev->irq, ha->iobase);
3079 	mutex_init(&ha->vport_lock);
3080 	mutex_init(&ha->mq_lock);
3081 	init_completion(&ha->mbx_cmd_comp);
3082 	complete(&ha->mbx_cmd_comp);
3083 	init_completion(&ha->mbx_intr_comp);
3084 	init_completion(&ha->dcbx_comp);
3085 	init_completion(&ha->lb_portup_comp);
3086 
3087 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3088 
3089 	qla2x00_config_dma_addressing(ha);
3090 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3091 	    "64 Bit addressing is %s.\n",
3092 	    ha->flags.enable_64bit_addressing ? "enable" :
3093 	    "disable");
3094 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3095 	if (ret) {
3096 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3097 		    "Failed to allocate memory for adapter, aborting.\n");
3098 
3099 		goto probe_hw_failed;
3100 	}
3101 
3102 	req->max_q_depth = MAX_Q_DEPTH;
3103 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3104 		req->max_q_depth = ql2xmaxqdepth;
3105 
3106 
3107 	base_vha = qla2x00_create_host(sht, ha);
3108 	if (!base_vha) {
3109 		ret = -ENOMEM;
3110 		goto probe_hw_failed;
3111 	}
3112 
3113 	pci_set_drvdata(pdev, base_vha);
3114 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3115 
3116 	host = base_vha->host;
3117 	base_vha->req = req;
3118 	if (IS_QLA2XXX_MIDTYPE(ha))
3119 		base_vha->mgmt_svr_loop_id =
3120 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3121 	else
3122 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3123 						base_vha->vp_idx;
3124 
3125 	/* Setup fcport template structure. */
3126 	ha->mr.fcport.vha = base_vha;
3127 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3128 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3129 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3130 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3131 	ha->mr.fcport.scan_state = 1;
3132 
3133 	/* Set the SG table size based on ISP type */
3134 	if (!IS_FWI2_CAPABLE(ha)) {
3135 		if (IS_QLA2100(ha))
3136 			host->sg_tablesize = 32;
3137 	} else {
3138 		if (!IS_QLA82XX(ha))
3139 			host->sg_tablesize = QLA_SG_ALL;
3140 	}
3141 	host->max_id = ha->max_fibre_devices;
3142 	host->cmd_per_lun = 3;
3143 	host->unique_id = host->host_no;
3144 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3145 		host->max_cmd_len = 32;
3146 	else
3147 		host->max_cmd_len = MAX_CMDSZ;
3148 	host->max_channel = MAX_BUSES - 1;
3149 	/* Older HBAs support only 16-bit LUNs */
3150 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3151 	    ql2xmaxlun > 0xffff)
3152 		host->max_lun = 0xffff;
3153 	else
3154 		host->max_lun = ql2xmaxlun;
3155 	host->transportt = qla2xxx_transport_template;
3156 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3157 
3158 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3159 	    "max_id=%d this_id=%d "
3160 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3161 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3162 	    host->this_id, host->cmd_per_lun, host->unique_id,
3163 	    host->max_cmd_len, host->max_channel, host->max_lun,
3164 	    host->transportt, sht->vendor_id);
3165 
3166 	INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3167 
3168 	/* Set up the irqs */
3169 	ret = qla2x00_request_irqs(ha, rsp);
3170 	if (ret)
3171 		goto probe_failed;
3172 
3173 	/* Alloc arrays of request and response ring ptrs */
3174 	ret = qla2x00_alloc_queues(ha, req, rsp);
3175 	if (ret) {
3176 		ql_log(ql_log_fatal, base_vha, 0x003d,
3177 		    "Failed to allocate memory for queue pointers..."
3178 		    "aborting.\n");
3179 		ret = -ENODEV;
3180 		goto probe_failed;
3181 	}
3182 
3183 	if (ha->mqenable) {
3184 		/* number of hardware queues supported by blk/scsi-mq*/
3185 		host->nr_hw_queues = ha->max_qpairs;
3186 
3187 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3188 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3189 	} else {
3190 		if (ql2xnvmeenable) {
3191 			host->nr_hw_queues = ha->max_qpairs;
3192 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3193 			    "FC-NVMe support is enabled, HW queues=%d\n",
3194 			    host->nr_hw_queues);
3195 		} else {
3196 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3197 			    "blk/scsi-mq disabled.\n");
3198 		}
3199 	}
3200 
3201 	qlt_probe_one_stage1(base_vha, ha);
3202 
3203 	pci_save_state(pdev);
3204 
3205 	/* Assign back pointers */
3206 	rsp->req = req;
3207 	req->rsp = rsp;
3208 
3209 	if (IS_QLAFX00(ha)) {
3210 		ha->rsp_q_map[0] = rsp;
3211 		ha->req_q_map[0] = req;
3212 		set_bit(0, ha->req_qid_map);
3213 		set_bit(0, ha->rsp_qid_map);
3214 	}
3215 
3216 	/* FWI2-capable only. */
3217 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3218 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3219 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3220 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3221 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3222 	    IS_QLA28XX(ha)) {
3223 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3224 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3225 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3226 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3227 	}
3228 
3229 	if (IS_QLAFX00(ha)) {
3230 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3231 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3232 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3233 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3234 	}
3235 
3236 	if (IS_P3P_TYPE(ha)) {
3237 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3238 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3239 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3240 	}
3241 
3242 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3243 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3244 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3245 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3246 	    "req->req_q_in=%p req->req_q_out=%p "
3247 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3248 	    req->req_q_in, req->req_q_out,
3249 	    rsp->rsp_q_in, rsp->rsp_q_out);
3250 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3251 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3252 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3253 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3254 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3255 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3256 
3257 	ha->wq = alloc_workqueue("qla2xxx_wq", 0, 0);
3258 	if (unlikely(!ha->wq)) {
3259 		ret = -ENOMEM;
3260 		goto probe_failed;
3261 	}
3262 
3263 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3264 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3265 		    "Failed to initialize adapter - Adapter flags %x.\n",
3266 		    base_vha->device_flags);
3267 
3268 		if (IS_QLA82XX(ha)) {
3269 			qla82xx_idc_lock(ha);
3270 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3271 				QLA8XXX_DEV_FAILED);
3272 			qla82xx_idc_unlock(ha);
3273 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3274 			    "HW State: FAILED.\n");
3275 		} else if (IS_QLA8044(ha)) {
3276 			qla8044_idc_lock(ha);
3277 			qla8044_wr_direct(base_vha,
3278 				QLA8044_CRB_DEV_STATE_INDEX,
3279 				QLA8XXX_DEV_FAILED);
3280 			qla8044_idc_unlock(ha);
3281 			ql_log(ql_log_fatal, base_vha, 0x0150,
3282 			    "HW State: FAILED.\n");
3283 		}
3284 
3285 		ret = -ENODEV;
3286 		goto probe_failed;
3287 	}
3288 
3289 	if (IS_QLAFX00(ha))
3290 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3291 	else
3292 		host->can_queue = req->num_outstanding_cmds - 10;
3293 
3294 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3295 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3296 	    host->can_queue, base_vha->req,
3297 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3298 
3299 	if (ha->mqenable) {
3300 		bool startit = false;
3301 
3302 		if (QLA_TGT_MODE_ENABLED())
3303 			startit = false;
3304 
3305 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3306 			startit = true;
3307 
3308 		/* Create start of day qpairs for Block MQ */
3309 		for (i = 0; i < ha->max_qpairs; i++)
3310 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3311 	}
3312 
3313 	if (ha->flags.running_gold_fw)
3314 		goto skip_dpc;
3315 
3316 	/*
3317 	 * Startup the kernel thread for this host adapter
3318 	 */
3319 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3320 	    "%s_dpc", base_vha->host_str);
3321 	if (IS_ERR(ha->dpc_thread)) {
3322 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3323 		    "Failed to start DPC thread.\n");
3324 		ret = PTR_ERR(ha->dpc_thread);
3325 		ha->dpc_thread = NULL;
3326 		goto probe_failed;
3327 	}
3328 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3329 	    "DPC thread started successfully.\n");
3330 
3331 	/*
3332 	 * If we're not coming up in initiator mode, we might sit for
3333 	 * a while without waking up the dpc thread, which leads to a
3334 	 * stuck process warning.  So just kick the dpc once here and
3335 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3336 	 */
3337 	qla2xxx_wake_dpc(base_vha);
3338 
3339 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3340 
3341 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3342 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3343 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3344 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3345 
3346 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3347 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3348 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3349 		INIT_WORK(&ha->idc_state_handler,
3350 		    qla83xx_idc_state_handler_work);
3351 		INIT_WORK(&ha->nic_core_unrecoverable,
3352 		    qla83xx_nic_core_unrecoverable_work);
3353 	}
3354 
3355 skip_dpc:
3356 	list_add_tail(&base_vha->list, &ha->vp_list);
3357 	base_vha->host->irq = ha->pdev->irq;
3358 
3359 	/* Initialized the timer */
3360 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3361 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3362 	    "Started qla2x00_timer with "
3363 	    "interval=%d.\n", WATCH_INTERVAL);
3364 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3365 	    "Detected hba at address=%p.\n",
3366 	    ha);
3367 
3368 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3369 		if (ha->fw_attributes & BIT_4) {
3370 			int prot = 0, guard;
3371 
3372 			base_vha->flags.difdix_supported = 1;
3373 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3374 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3375 			if (ql2xenabledif == 1)
3376 				prot = SHOST_DIX_TYPE0_PROTECTION;
3377 			if (ql2xprotmask)
3378 				scsi_host_set_prot(host, ql2xprotmask);
3379 			else
3380 				scsi_host_set_prot(host,
3381 				    prot | SHOST_DIF_TYPE1_PROTECTION
3382 				    | SHOST_DIF_TYPE2_PROTECTION
3383 				    | SHOST_DIF_TYPE3_PROTECTION
3384 				    | SHOST_DIX_TYPE1_PROTECTION
3385 				    | SHOST_DIX_TYPE2_PROTECTION
3386 				    | SHOST_DIX_TYPE3_PROTECTION);
3387 
3388 			guard = SHOST_DIX_GUARD_CRC;
3389 
3390 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3391 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3392 				guard |= SHOST_DIX_GUARD_IP;
3393 
3394 			if (ql2xprotguard)
3395 				scsi_host_set_guard(host, ql2xprotguard);
3396 			else
3397 				scsi_host_set_guard(host, guard);
3398 		} else
3399 			base_vha->flags.difdix_supported = 0;
3400 	}
3401 
3402 	ha->isp_ops->enable_intrs(ha);
3403 
3404 	if (IS_QLAFX00(ha)) {
3405 		ret = qlafx00_fx_disc(base_vha,
3406 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3407 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3408 		    QLA_SG_ALL : 128;
3409 	}
3410 
3411 	ret = scsi_add_host(host, &pdev->dev);
3412 	if (ret)
3413 		goto probe_failed;
3414 
3415 	base_vha->flags.init_done = 1;
3416 	base_vha->flags.online = 1;
3417 	ha->prev_minidump_failed = 0;
3418 
3419 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3420 	    "Init done and hba is online.\n");
3421 
3422 	if (qla_ini_mode_enabled(base_vha) ||
3423 		qla_dual_mode_enabled(base_vha))
3424 		scsi_scan_host(host);
3425 	else
3426 		ql_dbg(ql_dbg_init, base_vha, 0x0122,
3427 			"skipping scsi_scan_host() for non-initiator port\n");
3428 
3429 	qla2x00_alloc_sysfs_attr(base_vha);
3430 
3431 	if (IS_QLAFX00(ha)) {
3432 		ret = qlafx00_fx_disc(base_vha,
3433 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3434 
3435 		/* Register system information */
3436 		ret =  qlafx00_fx_disc(base_vha,
3437 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3438 	}
3439 
3440 	qla2x00_init_host_attr(base_vha);
3441 
3442 	qla2x00_dfs_setup(base_vha);
3443 
3444 	ql_log(ql_log_info, base_vha, 0x00fb,
3445 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3446 	ql_log(ql_log_info, base_vha, 0x00fc,
3447 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3448 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3449 						       sizeof(pci_info)),
3450 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3451 	    base_vha->host_no,
3452 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3453 
3454 	qlt_add_target(ha, base_vha);
3455 
3456 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3457 
3458 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3459 		return -ENODEV;
3460 
3461 	return 0;
3462 
3463 probe_failed:
3464 	if (base_vha->gnl.l) {
3465 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3466 				base_vha->gnl.l, base_vha->gnl.ldma);
3467 		base_vha->gnl.l = NULL;
3468 	}
3469 
3470 	if (base_vha->timer_active)
3471 		qla2x00_stop_timer(base_vha);
3472 	base_vha->flags.online = 0;
3473 	if (ha->dpc_thread) {
3474 		struct task_struct *t = ha->dpc_thread;
3475 
3476 		ha->dpc_thread = NULL;
3477 		kthread_stop(t);
3478 	}
3479 
3480 	qla2x00_free_device(base_vha);
3481 	scsi_host_put(base_vha->host);
3482 	/*
3483 	 * Need to NULL out local req/rsp after
3484 	 * qla2x00_free_device => qla2x00_free_queues frees
3485 	 * what these are pointing to. Or else we'll
3486 	 * fall over below in qla2x00_free_req/rsp_que.
3487 	 */
3488 	req = NULL;
3489 	rsp = NULL;
3490 
3491 probe_hw_failed:
3492 	qla2x00_mem_free(ha);
3493 	qla2x00_free_req_que(ha, req);
3494 	qla2x00_free_rsp_que(ha, rsp);
3495 	qla2x00_clear_drv_active(ha);
3496 
3497 iospace_config_failed:
3498 	if (IS_P3P_TYPE(ha)) {
3499 		if (!ha->nx_pcibase)
3500 			iounmap((device_reg_t *)ha->nx_pcibase);
3501 		if (!ql2xdbwr)
3502 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3503 	} else {
3504 		if (ha->iobase)
3505 			iounmap(ha->iobase);
3506 		if (ha->cregbase)
3507 			iounmap(ha->cregbase);
3508 	}
3509 	pci_release_selected_regions(ha->pdev, ha->bars);
3510 	kfree(ha);
3511 
3512 disable_device:
3513 	pci_disable_device(pdev);
3514 	return ret;
3515 }
3516 
3517 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3518 {
3519 	scsi_qla_host_t *vp;
3520 	unsigned long flags;
3521 	struct qla_hw_data *ha;
3522 
3523 	if (!base_vha)
3524 		return;
3525 
3526 	ha = base_vha->hw;
3527 
3528 	spin_lock_irqsave(&ha->vport_slock, flags);
3529 	list_for_each_entry(vp, &ha->vp_list, list)
3530 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3531 
3532 	/*
3533 	 * Indicate device removal to prevent future board_disable
3534 	 * and wait until any pending board_disable has completed.
3535 	 */
3536 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3537 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3538 }
3539 
3540 static void
3541 qla2x00_shutdown(struct pci_dev *pdev)
3542 {
3543 	scsi_qla_host_t *vha;
3544 	struct qla_hw_data  *ha;
3545 
3546 	vha = pci_get_drvdata(pdev);
3547 	ha = vha->hw;
3548 
3549 	ql_log(ql_log_info, vha, 0xfffa,
3550 		"Adapter shutdown\n");
3551 
3552 	/*
3553 	 * Prevent future board_disable and wait
3554 	 * until any pending board_disable has completed.
3555 	 */
3556 	__qla_set_remove_flag(vha);
3557 	cancel_work_sync(&ha->board_disable);
3558 
3559 	if (!atomic_read(&pdev->enable_cnt))
3560 		return;
3561 
3562 	/* Notify ISPFX00 firmware */
3563 	if (IS_QLAFX00(ha))
3564 		qlafx00_driver_shutdown(vha, 20);
3565 
3566 	/* Turn-off FCE trace */
3567 	if (ha->flags.fce_enabled) {
3568 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3569 		ha->flags.fce_enabled = 0;
3570 	}
3571 
3572 	/* Turn-off EFT trace */
3573 	if (ha->eft)
3574 		qla2x00_disable_eft_trace(vha);
3575 
3576 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3577 	    IS_QLA28XX(ha)) {
3578 		if (ha->flags.fw_started)
3579 			qla2x00_abort_isp_cleanup(vha);
3580 	} else {
3581 		/* Stop currently executing firmware. */
3582 		qla2x00_try_to_stop_firmware(vha);
3583 	}
3584 
3585 	/* Disable timer */
3586 	if (vha->timer_active)
3587 		qla2x00_stop_timer(vha);
3588 
3589 	/* Turn adapter off line */
3590 	vha->flags.online = 0;
3591 
3592 	/* turn-off interrupts on the card */
3593 	if (ha->interrupts_on) {
3594 		vha->flags.init_done = 0;
3595 		ha->isp_ops->disable_intrs(ha);
3596 	}
3597 
3598 	qla2x00_free_irqs(vha);
3599 
3600 	qla2x00_free_fw_dump(ha);
3601 
3602 	pci_disable_device(pdev);
3603 	ql_log(ql_log_info, vha, 0xfffe,
3604 		"Adapter shutdown successfully.\n");
3605 }
3606 
3607 /* Deletes all the virtual ports for a given ha */
3608 static void
3609 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3610 {
3611 	scsi_qla_host_t *vha;
3612 	unsigned long flags;
3613 
3614 	mutex_lock(&ha->vport_lock);
3615 	while (ha->cur_vport_count) {
3616 		spin_lock_irqsave(&ha->vport_slock, flags);
3617 
3618 		BUG_ON(base_vha->list.next == &ha->vp_list);
3619 		/* This assumes first entry in ha->vp_list is always base vha */
3620 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3621 		scsi_host_get(vha->host);
3622 
3623 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3624 		mutex_unlock(&ha->vport_lock);
3625 
3626 		qla_nvme_delete(vha);
3627 
3628 		fc_vport_terminate(vha->fc_vport);
3629 		scsi_host_put(vha->host);
3630 
3631 		mutex_lock(&ha->vport_lock);
3632 	}
3633 	mutex_unlock(&ha->vport_lock);
3634 }
3635 
3636 /* Stops all deferred work threads */
3637 static void
3638 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3639 {
3640 	/* Cancel all work and destroy DPC workqueues */
3641 	if (ha->dpc_lp_wq) {
3642 		cancel_work_sync(&ha->idc_aen);
3643 		destroy_workqueue(ha->dpc_lp_wq);
3644 		ha->dpc_lp_wq = NULL;
3645 	}
3646 
3647 	if (ha->dpc_hp_wq) {
3648 		cancel_work_sync(&ha->nic_core_reset);
3649 		cancel_work_sync(&ha->idc_state_handler);
3650 		cancel_work_sync(&ha->nic_core_unrecoverable);
3651 		destroy_workqueue(ha->dpc_hp_wq);
3652 		ha->dpc_hp_wq = NULL;
3653 	}
3654 
3655 	/* Kill the kernel thread for this host */
3656 	if (ha->dpc_thread) {
3657 		struct task_struct *t = ha->dpc_thread;
3658 
3659 		/*
3660 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3661 		 * so we need to zero it out.
3662 		 */
3663 		ha->dpc_thread = NULL;
3664 		kthread_stop(t);
3665 	}
3666 }
3667 
3668 static void
3669 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3670 {
3671 	if (IS_QLA82XX(ha)) {
3672 
3673 		iounmap((device_reg_t *)ha->nx_pcibase);
3674 		if (!ql2xdbwr)
3675 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3676 	} else {
3677 		if (ha->iobase)
3678 			iounmap(ha->iobase);
3679 
3680 		if (ha->cregbase)
3681 			iounmap(ha->cregbase);
3682 
3683 		if (ha->mqiobase)
3684 			iounmap(ha->mqiobase);
3685 
3686 		if ((IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
3687 		    ha->msixbase)
3688 			iounmap(ha->msixbase);
3689 	}
3690 }
3691 
3692 static void
3693 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3694 {
3695 	if (IS_QLA8044(ha)) {
3696 		qla8044_idc_lock(ha);
3697 		qla8044_clear_drv_active(ha);
3698 		qla8044_idc_unlock(ha);
3699 	} else if (IS_QLA82XX(ha)) {
3700 		qla82xx_idc_lock(ha);
3701 		qla82xx_clear_drv_active(ha);
3702 		qla82xx_idc_unlock(ha);
3703 	}
3704 }
3705 
3706 static void
3707 qla2x00_remove_one(struct pci_dev *pdev)
3708 {
3709 	scsi_qla_host_t *base_vha;
3710 	struct qla_hw_data  *ha;
3711 
3712 	base_vha = pci_get_drvdata(pdev);
3713 	ha = base_vha->hw;
3714 	ql_log(ql_log_info, base_vha, 0xb079,
3715 	    "Removing driver\n");
3716 	__qla_set_remove_flag(base_vha);
3717 	cancel_work_sync(&ha->board_disable);
3718 
3719 	/*
3720 	 * If the PCI device is disabled then there was a PCI-disconnect and
3721 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3722 	 * resources.
3723 	 */
3724 	if (!atomic_read(&pdev->enable_cnt)) {
3725 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3726 		    base_vha->gnl.l, base_vha->gnl.ldma);
3727 		base_vha->gnl.l = NULL;
3728 		scsi_host_put(base_vha->host);
3729 		kfree(ha);
3730 		pci_set_drvdata(pdev, NULL);
3731 		return;
3732 	}
3733 	qla2x00_wait_for_hba_ready(base_vha);
3734 
3735 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3736 	    IS_QLA28XX(ha)) {
3737 		if (ha->flags.fw_started)
3738 			qla2x00_abort_isp_cleanup(base_vha);
3739 	} else if (!IS_QLAFX00(ha)) {
3740 		if (IS_QLA8031(ha)) {
3741 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3742 			    "Clearing fcoe driver presence.\n");
3743 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3744 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3745 				    "Error while clearing DRV-Presence.\n");
3746 		}
3747 
3748 		qla2x00_try_to_stop_firmware(base_vha);
3749 	}
3750 
3751 	qla2x00_wait_for_sess_deletion(base_vha);
3752 
3753 	/*
3754 	 * if UNLOAD flag is already set, then continue unload,
3755 	 * where it was set first.
3756 	 */
3757 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3758 		return;
3759 
3760 	set_bit(UNLOADING, &base_vha->dpc_flags);
3761 
3762 	qla_nvme_delete(base_vha);
3763 
3764 	dma_free_coherent(&ha->pdev->dev,
3765 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3766 
3767 	base_vha->gnl.l = NULL;
3768 
3769 	vfree(base_vha->scan.l);
3770 
3771 	if (IS_QLAFX00(ha))
3772 		qlafx00_driver_shutdown(base_vha, 20);
3773 
3774 	qla2x00_delete_all_vps(ha, base_vha);
3775 
3776 	qla2x00_dfs_remove(base_vha);
3777 
3778 	qla84xx_put_chip(base_vha);
3779 
3780 	/* Disable timer */
3781 	if (base_vha->timer_active)
3782 		qla2x00_stop_timer(base_vha);
3783 
3784 	base_vha->flags.online = 0;
3785 
3786 	/* free DMA memory */
3787 	if (ha->exlogin_buf)
3788 		qla2x00_free_exlogin_buffer(ha);
3789 
3790 	/* free DMA memory */
3791 	if (ha->exchoffld_buf)
3792 		qla2x00_free_exchoffld_buffer(ha);
3793 
3794 	qla2x00_destroy_deferred_work(ha);
3795 
3796 	qlt_remove_target(ha, base_vha);
3797 
3798 	qla2x00_free_sysfs_attr(base_vha, true);
3799 
3800 	fc_remove_host(base_vha->host);
3801 	qlt_remove_target_resources(ha);
3802 
3803 	scsi_remove_host(base_vha->host);
3804 
3805 	qla2x00_free_device(base_vha);
3806 
3807 	qla2x00_clear_drv_active(ha);
3808 
3809 	scsi_host_put(base_vha->host);
3810 
3811 	qla2x00_unmap_iobases(ha);
3812 
3813 	pci_release_selected_regions(ha->pdev, ha->bars);
3814 	kfree(ha);
3815 
3816 	pci_disable_pcie_error_reporting(pdev);
3817 
3818 	pci_disable_device(pdev);
3819 }
3820 
3821 static inline void
3822 qla24xx_free_purex_list(struct purex_list *list)
3823 {
3824 	struct list_head *item, *next;
3825 	ulong flags;
3826 
3827 	spin_lock_irqsave(&list->lock, flags);
3828 	list_for_each_safe(item, next, &list->head) {
3829 		list_del(item);
3830 		kfree(list_entry(item, struct purex_item, list));
3831 	}
3832 	spin_unlock_irqrestore(&list->lock, flags);
3833 }
3834 
3835 static void
3836 qla2x00_free_device(scsi_qla_host_t *vha)
3837 {
3838 	struct qla_hw_data *ha = vha->hw;
3839 
3840 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3841 
3842 	/* Disable timer */
3843 	if (vha->timer_active)
3844 		qla2x00_stop_timer(vha);
3845 
3846 	qla25xx_delete_queues(vha);
3847 	vha->flags.online = 0;
3848 
3849 	/* turn-off interrupts on the card */
3850 	if (ha->interrupts_on) {
3851 		vha->flags.init_done = 0;
3852 		ha->isp_ops->disable_intrs(ha);
3853 	}
3854 
3855 	qla2x00_free_fcports(vha);
3856 
3857 	qla2x00_free_irqs(vha);
3858 
3859 	/* Flush the work queue and remove it */
3860 	if (ha->wq) {
3861 		flush_workqueue(ha->wq);
3862 		destroy_workqueue(ha->wq);
3863 		ha->wq = NULL;
3864 	}
3865 
3866 
3867 	qla24xx_free_purex_list(&vha->purex_list);
3868 
3869 	qla2x00_mem_free(ha);
3870 
3871 	qla82xx_md_free(vha);
3872 
3873 	qla2x00_free_queues(ha);
3874 }
3875 
3876 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3877 {
3878 	fc_port_t *fcport, *tfcport;
3879 
3880 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
3881 		qla2x00_free_fcport(fcport);
3882 }
3883 
3884 static inline void
3885 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
3886 {
3887 	int now;
3888 
3889 	if (!fcport->rport)
3890 		return;
3891 
3892 	if (fcport->rport) {
3893 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
3894 		    "%s %8phN. rport %p roles %x\n",
3895 		    __func__, fcport->port_name, fcport->rport,
3896 		    fcport->rport->roles);
3897 		fc_remote_port_delete(fcport->rport);
3898 	}
3899 	qlt_do_generation_tick(vha, &now);
3900 }
3901 
3902 /*
3903  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3904  *
3905  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3906  *
3907  * Return: None.
3908  *
3909  * Context:
3910  */
3911 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3912     int do_login)
3913 {
3914 	if (IS_QLAFX00(vha->hw)) {
3915 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3916 		qla2x00_schedule_rport_del(vha, fcport);
3917 		return;
3918 	}
3919 
3920 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
3921 	    vha->vp_idx == fcport->vha->vp_idx) {
3922 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3923 		qla2x00_schedule_rport_del(vha, fcport);
3924 	}
3925 	/*
3926 	 * We may need to retry the login, so don't change the state of the
3927 	 * port but do the retries.
3928 	 */
3929 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3930 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3931 
3932 	if (!do_login)
3933 		return;
3934 
3935 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3936 }
3937 
3938 void
3939 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
3940 {
3941 	fc_port_t *fcport;
3942 
3943 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
3944 	    "Mark all dev lost\n");
3945 
3946 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
3947 		fcport->scan_state = 0;
3948 		qlt_schedule_sess_for_deletion(fcport);
3949 	}
3950 }
3951 
3952 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
3953 {
3954 	int i;
3955 
3956 	if (IS_FWI2_CAPABLE(ha))
3957 		return;
3958 
3959 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
3960 		set_bit(i, ha->loop_id_map);
3961 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
3962 	set_bit(BROADCAST, ha->loop_id_map);
3963 }
3964 
3965 /*
3966 * qla2x00_mem_alloc
3967 *      Allocates adapter memory.
3968 *
3969 * Returns:
3970 *      0  = success.
3971 *      !0  = failure.
3972 */
3973 static int
3974 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3975 	struct req_que **req, struct rsp_que **rsp)
3976 {
3977 	char	name[16];
3978 
3979 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3980 		&ha->init_cb_dma, GFP_KERNEL);
3981 	if (!ha->init_cb)
3982 		goto fail;
3983 
3984 	if (qlt_mem_alloc(ha) < 0)
3985 		goto fail_free_init_cb;
3986 
3987 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3988 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3989 	if (!ha->gid_list)
3990 		goto fail_free_tgt_mem;
3991 
3992 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3993 	if (!ha->srb_mempool)
3994 		goto fail_free_gid_list;
3995 
3996 	if (IS_P3P_TYPE(ha)) {
3997 		/* Allocate cache for CT6 Ctx. */
3998 		if (!ctx_cachep) {
3999 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4000 				sizeof(struct ct6_dsd), 0,
4001 				SLAB_HWCACHE_ALIGN, NULL);
4002 			if (!ctx_cachep)
4003 				goto fail_free_srb_mempool;
4004 		}
4005 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4006 			ctx_cachep);
4007 		if (!ha->ctx_mempool)
4008 			goto fail_free_srb_mempool;
4009 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4010 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4011 		    ctx_cachep, ha->ctx_mempool);
4012 	}
4013 
4014 	/* Get memory for cached NVRAM */
4015 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4016 	if (!ha->nvram)
4017 		goto fail_free_ctx_mempool;
4018 
4019 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4020 		ha->pdev->device);
4021 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4022 		DMA_POOL_SIZE, 8, 0);
4023 	if (!ha->s_dma_pool)
4024 		goto fail_free_nvram;
4025 
4026 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4027 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4028 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4029 
4030 	if (IS_P3P_TYPE(ha) || ql2xenabledif) {
4031 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4032 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4033 		if (!ha->dl_dma_pool) {
4034 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4035 			    "Failed to allocate memory for dl_dma_pool.\n");
4036 			goto fail_s_dma_pool;
4037 		}
4038 
4039 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4040 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4041 		if (!ha->fcp_cmnd_dma_pool) {
4042 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4043 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4044 			goto fail_dl_dma_pool;
4045 		}
4046 
4047 		if (ql2xenabledif) {
4048 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4049 			struct dsd_dma *dsd, *nxt;
4050 			uint i;
4051 			/* Creata a DMA pool of buffers for DIF bundling */
4052 			ha->dif_bundl_pool = dma_pool_create(name,
4053 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4054 			if (!ha->dif_bundl_pool) {
4055 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4056 				    "%s: failed create dif_bundl_pool\n",
4057 				    __func__);
4058 				goto fail_dif_bundl_dma_pool;
4059 			}
4060 
4061 			INIT_LIST_HEAD(&ha->pool.good.head);
4062 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4063 			ha->pool.good.count = 0;
4064 			ha->pool.unusable.count = 0;
4065 			for (i = 0; i < 128; i++) {
4066 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4067 				if (!dsd) {
4068 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4069 					    0xe0ee, "%s: failed alloc dsd\n",
4070 					    __func__);
4071 					return 1;
4072 				}
4073 				ha->dif_bundle_kallocs++;
4074 
4075 				dsd->dsd_addr = dma_pool_alloc(
4076 				    ha->dif_bundl_pool, GFP_ATOMIC,
4077 				    &dsd->dsd_list_dma);
4078 				if (!dsd->dsd_addr) {
4079 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4080 					    0xe0ee,
4081 					    "%s: failed alloc ->dsd_addr\n",
4082 					    __func__);
4083 					kfree(dsd);
4084 					ha->dif_bundle_kallocs--;
4085 					continue;
4086 				}
4087 				ha->dif_bundle_dma_allocs++;
4088 
4089 				/*
4090 				 * if DMA buffer crosses 4G boundary,
4091 				 * put it on bad list
4092 				 */
4093 				if (MSD(dsd->dsd_list_dma) ^
4094 				    MSD(dsd->dsd_list_dma + bufsize)) {
4095 					list_add_tail(&dsd->list,
4096 					    &ha->pool.unusable.head);
4097 					ha->pool.unusable.count++;
4098 				} else {
4099 					list_add_tail(&dsd->list,
4100 					    &ha->pool.good.head);
4101 					ha->pool.good.count++;
4102 				}
4103 			}
4104 
4105 			/* return the good ones back to the pool */
4106 			list_for_each_entry_safe(dsd, nxt,
4107 			    &ha->pool.good.head, list) {
4108 				list_del(&dsd->list);
4109 				dma_pool_free(ha->dif_bundl_pool,
4110 				    dsd->dsd_addr, dsd->dsd_list_dma);
4111 				ha->dif_bundle_dma_allocs--;
4112 				kfree(dsd);
4113 				ha->dif_bundle_kallocs--;
4114 			}
4115 
4116 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4117 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4118 			    __func__, ha->pool.good.count,
4119 			    ha->pool.unusable.count);
4120 		}
4121 
4122 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4123 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4124 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4125 		    ha->dif_bundl_pool);
4126 	}
4127 
4128 	/* Allocate memory for SNS commands */
4129 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4130 	/* Get consistent memory allocated for SNS commands */
4131 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4132 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4133 		if (!ha->sns_cmd)
4134 			goto fail_dma_pool;
4135 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4136 		    "sns_cmd: %p.\n", ha->sns_cmd);
4137 	} else {
4138 	/* Get consistent memory allocated for MS IOCB */
4139 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4140 			&ha->ms_iocb_dma);
4141 		if (!ha->ms_iocb)
4142 			goto fail_dma_pool;
4143 	/* Get consistent memory allocated for CT SNS commands */
4144 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4145 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4146 		if (!ha->ct_sns)
4147 			goto fail_free_ms_iocb;
4148 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4149 		    "ms_iocb=%p ct_sns=%p.\n",
4150 		    ha->ms_iocb, ha->ct_sns);
4151 	}
4152 
4153 	/* Allocate memory for request ring */
4154 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4155 	if (!*req) {
4156 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4157 		    "Failed to allocate memory for req.\n");
4158 		goto fail_req;
4159 	}
4160 	(*req)->length = req_len;
4161 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4162 		((*req)->length + 1) * sizeof(request_t),
4163 		&(*req)->dma, GFP_KERNEL);
4164 	if (!(*req)->ring) {
4165 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4166 		    "Failed to allocate memory for req_ring.\n");
4167 		goto fail_req_ring;
4168 	}
4169 	/* Allocate memory for response ring */
4170 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4171 	if (!*rsp) {
4172 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4173 		    "Failed to allocate memory for rsp.\n");
4174 		goto fail_rsp;
4175 	}
4176 	(*rsp)->hw = ha;
4177 	(*rsp)->length = rsp_len;
4178 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4179 		((*rsp)->length + 1) * sizeof(response_t),
4180 		&(*rsp)->dma, GFP_KERNEL);
4181 	if (!(*rsp)->ring) {
4182 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4183 		    "Failed to allocate memory for rsp_ring.\n");
4184 		goto fail_rsp_ring;
4185 	}
4186 	(*req)->rsp = *rsp;
4187 	(*rsp)->req = *req;
4188 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4189 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4190 	    "rsp->length=%d rsp->ring=%p.\n",
4191 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4192 	    (*rsp)->ring);
4193 	/* Allocate memory for NVRAM data for vports */
4194 	if (ha->nvram_npiv_size) {
4195 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4196 					sizeof(struct qla_npiv_entry),
4197 					GFP_KERNEL);
4198 		if (!ha->npiv_info) {
4199 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4200 			    "Failed to allocate memory for npiv_info.\n");
4201 			goto fail_npiv_info;
4202 		}
4203 	} else
4204 		ha->npiv_info = NULL;
4205 
4206 	/* Get consistent memory allocated for EX-INIT-CB. */
4207 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4208 	    IS_QLA28XX(ha)) {
4209 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4210 		    &ha->ex_init_cb_dma);
4211 		if (!ha->ex_init_cb)
4212 			goto fail_ex_init_cb;
4213 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4214 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4215 	}
4216 
4217 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4218 
4219 	/* Get consistent memory allocated for Async Port-Database. */
4220 	if (!IS_FWI2_CAPABLE(ha)) {
4221 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4222 			&ha->async_pd_dma);
4223 		if (!ha->async_pd)
4224 			goto fail_async_pd;
4225 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4226 		    "async_pd=%p.\n", ha->async_pd);
4227 	}
4228 
4229 	INIT_LIST_HEAD(&ha->vp_list);
4230 
4231 	/* Allocate memory for our loop_id bitmap */
4232 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4233 				  sizeof(long),
4234 				  GFP_KERNEL);
4235 	if (!ha->loop_id_map)
4236 		goto fail_loop_id_map;
4237 	else {
4238 		qla2x00_set_reserved_loop_ids(ha);
4239 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4240 		    "loop_id_map=%p.\n", ha->loop_id_map);
4241 	}
4242 
4243 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4244 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4245 	if (!ha->sfp_data) {
4246 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4247 		    "Unable to allocate memory for SFP read-data.\n");
4248 		goto fail_sfp_data;
4249 	}
4250 
4251 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4252 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4253 	    GFP_KERNEL);
4254 	if (!ha->flt) {
4255 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4256 		    "Unable to allocate memory for FLT.\n");
4257 		goto fail_flt_buffer;
4258 	}
4259 
4260 	return 0;
4261 
4262 fail_flt_buffer:
4263 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4264 	    ha->sfp_data, ha->sfp_data_dma);
4265 fail_sfp_data:
4266 	kfree(ha->loop_id_map);
4267 fail_loop_id_map:
4268 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4269 fail_async_pd:
4270 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4271 fail_ex_init_cb:
4272 	kfree(ha->npiv_info);
4273 fail_npiv_info:
4274 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4275 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4276 	(*rsp)->ring = NULL;
4277 	(*rsp)->dma = 0;
4278 fail_rsp_ring:
4279 	kfree(*rsp);
4280 	*rsp = NULL;
4281 fail_rsp:
4282 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4283 		sizeof(request_t), (*req)->ring, (*req)->dma);
4284 	(*req)->ring = NULL;
4285 	(*req)->dma = 0;
4286 fail_req_ring:
4287 	kfree(*req);
4288 	*req = NULL;
4289 fail_req:
4290 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4291 		ha->ct_sns, ha->ct_sns_dma);
4292 	ha->ct_sns = NULL;
4293 	ha->ct_sns_dma = 0;
4294 fail_free_ms_iocb:
4295 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4296 	ha->ms_iocb = NULL;
4297 	ha->ms_iocb_dma = 0;
4298 
4299 	if (ha->sns_cmd)
4300 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4301 		    ha->sns_cmd, ha->sns_cmd_dma);
4302 fail_dma_pool:
4303 	if (ql2xenabledif) {
4304 		struct dsd_dma *dsd, *nxt;
4305 
4306 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4307 		    list) {
4308 			list_del(&dsd->list);
4309 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4310 			    dsd->dsd_list_dma);
4311 			ha->dif_bundle_dma_allocs--;
4312 			kfree(dsd);
4313 			ha->dif_bundle_kallocs--;
4314 			ha->pool.unusable.count--;
4315 		}
4316 		dma_pool_destroy(ha->dif_bundl_pool);
4317 		ha->dif_bundl_pool = NULL;
4318 	}
4319 
4320 fail_dif_bundl_dma_pool:
4321 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4322 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4323 		ha->fcp_cmnd_dma_pool = NULL;
4324 	}
4325 fail_dl_dma_pool:
4326 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4327 		dma_pool_destroy(ha->dl_dma_pool);
4328 		ha->dl_dma_pool = NULL;
4329 	}
4330 fail_s_dma_pool:
4331 	dma_pool_destroy(ha->s_dma_pool);
4332 	ha->s_dma_pool = NULL;
4333 fail_free_nvram:
4334 	kfree(ha->nvram);
4335 	ha->nvram = NULL;
4336 fail_free_ctx_mempool:
4337 	mempool_destroy(ha->ctx_mempool);
4338 	ha->ctx_mempool = NULL;
4339 fail_free_srb_mempool:
4340 	mempool_destroy(ha->srb_mempool);
4341 	ha->srb_mempool = NULL;
4342 fail_free_gid_list:
4343 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4344 	ha->gid_list,
4345 	ha->gid_list_dma);
4346 	ha->gid_list = NULL;
4347 	ha->gid_list_dma = 0;
4348 fail_free_tgt_mem:
4349 	qlt_mem_free(ha);
4350 fail_free_init_cb:
4351 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4352 	ha->init_cb_dma);
4353 	ha->init_cb = NULL;
4354 	ha->init_cb_dma = 0;
4355 fail:
4356 	ql_log(ql_log_fatal, NULL, 0x0030,
4357 	    "Memory allocation failure.\n");
4358 	return -ENOMEM;
4359 }
4360 
4361 int
4362 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4363 {
4364 	int rval;
4365 	uint16_t	size, max_cnt, temp;
4366 	struct qla_hw_data *ha = vha->hw;
4367 
4368 	/* Return if we don't need to alloacate any extended logins */
4369 	if (!ql2xexlogins)
4370 		return QLA_SUCCESS;
4371 
4372 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4373 		return QLA_SUCCESS;
4374 
4375 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4376 	max_cnt = 0;
4377 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4378 	if (rval != QLA_SUCCESS) {
4379 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4380 		    "Failed to get exlogin status.\n");
4381 		return rval;
4382 	}
4383 
4384 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4385 	temp *= size;
4386 
4387 	if (temp != ha->exlogin_size) {
4388 		qla2x00_free_exlogin_buffer(ha);
4389 		ha->exlogin_size = temp;
4390 
4391 		ql_log(ql_log_info, vha, 0xd024,
4392 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4393 		    max_cnt, size, temp);
4394 
4395 		ql_log(ql_log_info, vha, 0xd025,
4396 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4397 
4398 		/* Get consistent memory for extended logins */
4399 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4400 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4401 		if (!ha->exlogin_buf) {
4402 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4403 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4404 			return -ENOMEM;
4405 		}
4406 	}
4407 
4408 	/* Now configure the dma buffer */
4409 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4410 	if (rval) {
4411 		ql_log(ql_log_fatal, vha, 0xd033,
4412 		    "Setup extended login buffer  ****FAILED****.\n");
4413 		qla2x00_free_exlogin_buffer(ha);
4414 	}
4415 
4416 	return rval;
4417 }
4418 
4419 /*
4420 * qla2x00_free_exlogin_buffer
4421 *
4422 * Input:
4423 *	ha = adapter block pointer
4424 */
4425 void
4426 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4427 {
4428 	if (ha->exlogin_buf) {
4429 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4430 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4431 		ha->exlogin_buf = NULL;
4432 		ha->exlogin_size = 0;
4433 	}
4434 }
4435 
4436 static void
4437 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4438 {
4439 	u32 temp;
4440 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4441 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4442 
4443 	if (max_cnt > vha->hw->max_exchg)
4444 		max_cnt = vha->hw->max_exchg;
4445 
4446 	if (qla_ini_mode_enabled(vha)) {
4447 		if (vha->ql2xiniexchg > max_cnt)
4448 			vha->ql2xiniexchg = max_cnt;
4449 
4450 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4451 			*ret_cnt = vha->ql2xiniexchg;
4452 
4453 	} else if (qla_tgt_mode_enabled(vha)) {
4454 		if (vha->ql2xexchoffld > max_cnt) {
4455 			vha->ql2xexchoffld = max_cnt;
4456 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4457 		}
4458 
4459 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4460 			*ret_cnt = vha->ql2xexchoffld;
4461 	} else if (qla_dual_mode_enabled(vha)) {
4462 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4463 		if (temp > max_cnt) {
4464 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4465 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4466 			temp = max_cnt;
4467 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4468 		}
4469 
4470 		if (temp > FW_DEF_EXCHANGES_CNT)
4471 			*ret_cnt = temp;
4472 	}
4473 }
4474 
4475 int
4476 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4477 {
4478 	int rval;
4479 	u16	size, max_cnt;
4480 	u32 actual_cnt, totsz;
4481 	struct qla_hw_data *ha = vha->hw;
4482 
4483 	if (!ha->flags.exchoffld_enabled)
4484 		return QLA_SUCCESS;
4485 
4486 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4487 		return QLA_SUCCESS;
4488 
4489 	max_cnt = 0;
4490 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4491 	if (rval != QLA_SUCCESS) {
4492 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4493 		    "Failed to get exlogin status.\n");
4494 		return rval;
4495 	}
4496 
4497 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4498 	ql_log(ql_log_info, vha, 0xd014,
4499 	    "Actual exchange offload count: %d.\n", actual_cnt);
4500 
4501 	totsz = actual_cnt * size;
4502 
4503 	if (totsz != ha->exchoffld_size) {
4504 		qla2x00_free_exchoffld_buffer(ha);
4505 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4506 			ha->exchoffld_size = 0;
4507 			ha->flags.exchoffld_enabled = 0;
4508 			return QLA_SUCCESS;
4509 		}
4510 
4511 		ha->exchoffld_size = totsz;
4512 
4513 		ql_log(ql_log_info, vha, 0xd016,
4514 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4515 		    max_cnt, actual_cnt, size, totsz);
4516 
4517 		ql_log(ql_log_info, vha, 0xd017,
4518 		    "Exchange Buffers requested size = 0x%x\n",
4519 		    ha->exchoffld_size);
4520 
4521 		/* Get consistent memory for extended logins */
4522 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4523 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4524 		if (!ha->exchoffld_buf) {
4525 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4526 			"Failed to allocate memory for Exchange Offload.\n");
4527 
4528 			if (ha->max_exchg >
4529 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4530 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4531 			} else if (ha->max_exchg >
4532 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4533 				ha->max_exchg -= 512;
4534 			} else {
4535 				ha->flags.exchoffld_enabled = 0;
4536 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4537 				    "Disabling Exchange offload due to lack of memory\n");
4538 			}
4539 			ha->exchoffld_size = 0;
4540 
4541 			return -ENOMEM;
4542 		}
4543 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4544 		/* pathological case */
4545 		qla2x00_free_exchoffld_buffer(ha);
4546 		ha->exchoffld_size = 0;
4547 		ha->flags.exchoffld_enabled = 0;
4548 		ql_log(ql_log_info, vha, 0xd016,
4549 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4550 		    ha->exchoffld_size, actual_cnt, size, totsz);
4551 		return 0;
4552 	}
4553 
4554 	/* Now configure the dma buffer */
4555 	rval = qla_set_exchoffld_mem_cfg(vha);
4556 	if (rval) {
4557 		ql_log(ql_log_fatal, vha, 0xd02e,
4558 		    "Setup exchange offload buffer ****FAILED****.\n");
4559 		qla2x00_free_exchoffld_buffer(ha);
4560 	} else {
4561 		/* re-adjust number of target exchange */
4562 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4563 
4564 		if (qla_ini_mode_enabled(vha))
4565 			icb->exchange_count = 0;
4566 		else
4567 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4568 	}
4569 
4570 	return rval;
4571 }
4572 
4573 /*
4574 * qla2x00_free_exchoffld_buffer
4575 *
4576 * Input:
4577 *	ha = adapter block pointer
4578 */
4579 void
4580 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4581 {
4582 	if (ha->exchoffld_buf) {
4583 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4584 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4585 		ha->exchoffld_buf = NULL;
4586 		ha->exchoffld_size = 0;
4587 	}
4588 }
4589 
4590 /*
4591 * qla2x00_free_fw_dump
4592 *	Frees fw dump stuff.
4593 *
4594 * Input:
4595 *	ha = adapter block pointer
4596 */
4597 static void
4598 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4599 {
4600 	struct fwdt *fwdt = ha->fwdt;
4601 	uint j;
4602 
4603 	if (ha->fce)
4604 		dma_free_coherent(&ha->pdev->dev,
4605 		    FCE_SIZE, ha->fce, ha->fce_dma);
4606 
4607 	if (ha->eft)
4608 		dma_free_coherent(&ha->pdev->dev,
4609 		    EFT_SIZE, ha->eft, ha->eft_dma);
4610 
4611 	if (ha->fw_dump)
4612 		vfree(ha->fw_dump);
4613 
4614 	ha->fce = NULL;
4615 	ha->fce_dma = 0;
4616 	ha->flags.fce_enabled = 0;
4617 	ha->eft = NULL;
4618 	ha->eft_dma = 0;
4619 	ha->fw_dumped = 0;
4620 	ha->fw_dump_cap_flags = 0;
4621 	ha->fw_dump_reading = 0;
4622 	ha->fw_dump = NULL;
4623 	ha->fw_dump_len = 0;
4624 
4625 	for (j = 0; j < 2; j++, fwdt++) {
4626 		if (fwdt->template)
4627 			vfree(fwdt->template);
4628 		fwdt->template = NULL;
4629 		fwdt->length = 0;
4630 	}
4631 }
4632 
4633 /*
4634 * qla2x00_mem_free
4635 *      Frees all adapter allocated memory.
4636 *
4637 * Input:
4638 *      ha = adapter block pointer.
4639 */
4640 static void
4641 qla2x00_mem_free(struct qla_hw_data *ha)
4642 {
4643 	qla2x00_free_fw_dump(ha);
4644 
4645 	if (ha->mctp_dump)
4646 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4647 		    ha->mctp_dump_dma);
4648 	ha->mctp_dump = NULL;
4649 
4650 	mempool_destroy(ha->srb_mempool);
4651 	ha->srb_mempool = NULL;
4652 
4653 	if (ha->dcbx_tlv)
4654 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4655 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4656 	ha->dcbx_tlv = NULL;
4657 
4658 	if (ha->xgmac_data)
4659 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4660 		    ha->xgmac_data, ha->xgmac_data_dma);
4661 	ha->xgmac_data = NULL;
4662 
4663 	if (ha->sns_cmd)
4664 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4665 		ha->sns_cmd, ha->sns_cmd_dma);
4666 	ha->sns_cmd = NULL;
4667 	ha->sns_cmd_dma = 0;
4668 
4669 	if (ha->ct_sns)
4670 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4671 		ha->ct_sns, ha->ct_sns_dma);
4672 	ha->ct_sns = NULL;
4673 	ha->ct_sns_dma = 0;
4674 
4675 	if (ha->sfp_data)
4676 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4677 		    ha->sfp_data_dma);
4678 	ha->sfp_data = NULL;
4679 
4680 	if (ha->flt)
4681 		dma_free_coherent(&ha->pdev->dev,
4682 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4683 		    ha->flt, ha->flt_dma);
4684 	ha->flt = NULL;
4685 	ha->flt_dma = 0;
4686 
4687 	if (ha->ms_iocb)
4688 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4689 	ha->ms_iocb = NULL;
4690 	ha->ms_iocb_dma = 0;
4691 
4692 	if (ha->ex_init_cb)
4693 		dma_pool_free(ha->s_dma_pool,
4694 			ha->ex_init_cb, ha->ex_init_cb_dma);
4695 	ha->ex_init_cb = NULL;
4696 	ha->ex_init_cb_dma = 0;
4697 
4698 	if (ha->async_pd)
4699 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4700 	ha->async_pd = NULL;
4701 	ha->async_pd_dma = 0;
4702 
4703 	dma_pool_destroy(ha->s_dma_pool);
4704 	ha->s_dma_pool = NULL;
4705 
4706 	if (ha->gid_list)
4707 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4708 		ha->gid_list, ha->gid_list_dma);
4709 	ha->gid_list = NULL;
4710 	ha->gid_list_dma = 0;
4711 
4712 	if (IS_QLA82XX(ha)) {
4713 		if (!list_empty(&ha->gbl_dsd_list)) {
4714 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4715 
4716 			/* clean up allocated prev pool */
4717 			list_for_each_entry_safe(dsd_ptr,
4718 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4719 				dma_pool_free(ha->dl_dma_pool,
4720 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4721 				list_del(&dsd_ptr->list);
4722 				kfree(dsd_ptr);
4723 			}
4724 		}
4725 	}
4726 
4727 	dma_pool_destroy(ha->dl_dma_pool);
4728 	ha->dl_dma_pool = NULL;
4729 
4730 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4731 	ha->fcp_cmnd_dma_pool = NULL;
4732 
4733 	mempool_destroy(ha->ctx_mempool);
4734 	ha->ctx_mempool = NULL;
4735 
4736 	if (ql2xenabledif && ha->dif_bundl_pool) {
4737 		struct dsd_dma *dsd, *nxt;
4738 
4739 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4740 					 list) {
4741 			list_del(&dsd->list);
4742 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4743 				      dsd->dsd_list_dma);
4744 			ha->dif_bundle_dma_allocs--;
4745 			kfree(dsd);
4746 			ha->dif_bundle_kallocs--;
4747 			ha->pool.unusable.count--;
4748 		}
4749 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4750 			list_del(&dsd->list);
4751 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4752 				      dsd->dsd_list_dma);
4753 			ha->dif_bundle_dma_allocs--;
4754 			kfree(dsd);
4755 			ha->dif_bundle_kallocs--;
4756 		}
4757 	}
4758 
4759 	dma_pool_destroy(ha->dif_bundl_pool);
4760 	ha->dif_bundl_pool = NULL;
4761 
4762 	qlt_mem_free(ha);
4763 
4764 	if (ha->init_cb)
4765 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4766 			ha->init_cb, ha->init_cb_dma);
4767 	ha->init_cb = NULL;
4768 	ha->init_cb_dma = 0;
4769 
4770 	vfree(ha->optrom_buffer);
4771 	ha->optrom_buffer = NULL;
4772 	kfree(ha->nvram);
4773 	ha->nvram = NULL;
4774 	kfree(ha->npiv_info);
4775 	ha->npiv_info = NULL;
4776 	kfree(ha->swl);
4777 	ha->swl = NULL;
4778 	kfree(ha->loop_id_map);
4779 	ha->loop_id_map = NULL;
4780 }
4781 
4782 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4783 						struct qla_hw_data *ha)
4784 {
4785 	struct Scsi_Host *host;
4786 	struct scsi_qla_host *vha = NULL;
4787 
4788 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4789 	if (!host) {
4790 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4791 		    "Failed to allocate host from the scsi layer, aborting.\n");
4792 		return NULL;
4793 	}
4794 
4795 	/* Clear our data area */
4796 	vha = shost_priv(host);
4797 	memset(vha, 0, sizeof(scsi_qla_host_t));
4798 
4799 	vha->host = host;
4800 	vha->host_no = host->host_no;
4801 	vha->hw = ha;
4802 
4803 	vha->qlini_mode = ql2x_ini_mode;
4804 	vha->ql2xexchoffld = ql2xexchoffld;
4805 	vha->ql2xiniexchg = ql2xiniexchg;
4806 
4807 	INIT_LIST_HEAD(&vha->vp_fcports);
4808 	INIT_LIST_HEAD(&vha->work_list);
4809 	INIT_LIST_HEAD(&vha->list);
4810 	INIT_LIST_HEAD(&vha->qla_cmd_list);
4811 	INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4812 	INIT_LIST_HEAD(&vha->logo_list);
4813 	INIT_LIST_HEAD(&vha->plogi_ack_list);
4814 	INIT_LIST_HEAD(&vha->qp_list);
4815 	INIT_LIST_HEAD(&vha->gnl.fcports);
4816 	INIT_LIST_HEAD(&vha->gpnid_list);
4817 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
4818 
4819 	INIT_LIST_HEAD(&vha->purex_list.head);
4820 	spin_lock_init(&vha->purex_list.lock);
4821 
4822 	spin_lock_init(&vha->work_lock);
4823 	spin_lock_init(&vha->cmd_list_lock);
4824 	init_waitqueue_head(&vha->fcport_waitQ);
4825 	init_waitqueue_head(&vha->vref_waitq);
4826 
4827 	vha->gnl.size = sizeof(struct get_name_list_extended) *
4828 			(ha->max_loop_id + 1);
4829 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
4830 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
4831 	if (!vha->gnl.l) {
4832 		ql_log(ql_log_fatal, vha, 0xd04a,
4833 		    "Alloc failed for name list.\n");
4834 		scsi_host_put(vha->host);
4835 		return NULL;
4836 	}
4837 
4838 	/* todo: what about ext login? */
4839 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
4840 	vha->scan.l = vmalloc(vha->scan.size);
4841 	if (!vha->scan.l) {
4842 		ql_log(ql_log_fatal, vha, 0xd04a,
4843 		    "Alloc failed for scan database.\n");
4844 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
4845 		    vha->gnl.l, vha->gnl.ldma);
4846 		vha->gnl.l = NULL;
4847 		scsi_host_put(vha->host);
4848 		return NULL;
4849 	}
4850 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
4851 
4852 	sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4853 	ql_dbg(ql_dbg_init, vha, 0x0041,
4854 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4855 	    vha->host, vha->hw, vha,
4856 	    dev_name(&(ha->pdev->dev)));
4857 
4858 	return vha;
4859 }
4860 
4861 struct qla_work_evt *
4862 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4863 {
4864 	struct qla_work_evt *e;
4865 	uint8_t bail;
4866 
4867 	QLA_VHA_MARK_BUSY(vha, bail);
4868 	if (bail)
4869 		return NULL;
4870 
4871 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4872 	if (!e) {
4873 		QLA_VHA_MARK_NOT_BUSY(vha);
4874 		return NULL;
4875 	}
4876 
4877 	INIT_LIST_HEAD(&e->list);
4878 	e->type = type;
4879 	e->flags = QLA_EVT_FLAG_FREE;
4880 	return e;
4881 }
4882 
4883 int
4884 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4885 {
4886 	unsigned long flags;
4887 	bool q = false;
4888 
4889 	spin_lock_irqsave(&vha->work_lock, flags);
4890 	list_add_tail(&e->list, &vha->work_list);
4891 
4892 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
4893 		q = true;
4894 
4895 	spin_unlock_irqrestore(&vha->work_lock, flags);
4896 
4897 	if (q)
4898 		queue_work(vha->hw->wq, &vha->iocb_work);
4899 
4900 	return QLA_SUCCESS;
4901 }
4902 
4903 int
4904 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4905     u32 data)
4906 {
4907 	struct qla_work_evt *e;
4908 
4909 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4910 	if (!e)
4911 		return QLA_FUNCTION_FAILED;
4912 
4913 	e->u.aen.code = code;
4914 	e->u.aen.data = data;
4915 	return qla2x00_post_work(vha, e);
4916 }
4917 
4918 int
4919 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4920 {
4921 	struct qla_work_evt *e;
4922 
4923 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4924 	if (!e)
4925 		return QLA_FUNCTION_FAILED;
4926 
4927 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4928 	return qla2x00_post_work(vha, e);
4929 }
4930 
4931 #define qla2x00_post_async_work(name, type)	\
4932 int qla2x00_post_async_##name##_work(		\
4933     struct scsi_qla_host *vha,			\
4934     fc_port_t *fcport, uint16_t *data)		\
4935 {						\
4936 	struct qla_work_evt *e;			\
4937 						\
4938 	e = qla2x00_alloc_work(vha, type);	\
4939 	if (!e)					\
4940 		return QLA_FUNCTION_FAILED;	\
4941 						\
4942 	e->u.logio.fcport = fcport;		\
4943 	if (data) {				\
4944 		e->u.logio.data[0] = data[0];	\
4945 		e->u.logio.data[1] = data[1];	\
4946 	}					\
4947 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
4948 	return qla2x00_post_work(vha, e);	\
4949 }
4950 
4951 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4952 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4953 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4954 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
4955 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
4956 
4957 int
4958 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4959 {
4960 	struct qla_work_evt *e;
4961 
4962 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4963 	if (!e)
4964 		return QLA_FUNCTION_FAILED;
4965 
4966 	e->u.uevent.code = code;
4967 	return qla2x00_post_work(vha, e);
4968 }
4969 
4970 static void
4971 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4972 {
4973 	char event_string[40];
4974 	char *envp[] = { event_string, NULL };
4975 
4976 	switch (code) {
4977 	case QLA_UEVENT_CODE_FW_DUMP:
4978 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4979 		    vha->host_no);
4980 		break;
4981 	default:
4982 		/* do nothing */
4983 		break;
4984 	}
4985 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4986 }
4987 
4988 int
4989 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4990 			uint32_t *data, int cnt)
4991 {
4992 	struct qla_work_evt *e;
4993 
4994 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4995 	if (!e)
4996 		return QLA_FUNCTION_FAILED;
4997 
4998 	e->u.aenfx.evtcode = evtcode;
4999 	e->u.aenfx.count = cnt;
5000 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5001 	return qla2x00_post_work(vha, e);
5002 }
5003 
5004 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5005 {
5006 	unsigned long flags;
5007 
5008 	if (IS_SW_RESV_ADDR(fcport->d_id))
5009 		return;
5010 
5011 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5012 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5013 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5014 		return;
5015 	}
5016 	fcport->jiffies_at_registration = jiffies;
5017 	fcport->sec_since_registration = 0;
5018 	fcport->next_disc_state = DSC_DELETED;
5019 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5020 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5021 
5022 	queue_work(system_unbound_wq, &fcport->reg_work);
5023 }
5024 
5025 static
5026 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5027 {
5028 	unsigned long flags;
5029 	fc_port_t *fcport =  NULL, *tfcp;
5030 	struct qlt_plogi_ack_t *pla =
5031 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5032 	uint8_t free_fcport = 0;
5033 
5034 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5035 	    "%s %d %8phC enter\n",
5036 	    __func__, __LINE__, e->u.new_sess.port_name);
5037 
5038 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5039 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5040 	if (fcport) {
5041 		fcport->d_id = e->u.new_sess.id;
5042 		if (pla) {
5043 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5044 			memcpy(fcport->node_name,
5045 			    pla->iocb.u.isp24.u.plogi.node_name,
5046 			    WWN_SIZE);
5047 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5048 			/* we took an extra ref_count to prevent PLOGI ACK when
5049 			 * fcport/sess has not been created.
5050 			 */
5051 			pla->ref_count--;
5052 		}
5053 	} else {
5054 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5055 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5056 		if (fcport) {
5057 			fcport->d_id = e->u.new_sess.id;
5058 			fcport->flags |= FCF_FABRIC_DEVICE;
5059 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5060 
5061 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5062 			    WWN_SIZE);
5063 
5064 			fcport->fc4_type = e->u.new_sess.fc4_type;
5065 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5066 				fcport->fc4_type = FS_FC4TYPE_FCP;
5067 				fcport->n2n_flag = 1;
5068 				if (vha->flags.nvme_enabled)
5069 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5070 			}
5071 
5072 		} else {
5073 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5074 				   "%s %8phC mem alloc fail.\n",
5075 				   __func__, e->u.new_sess.port_name);
5076 
5077 			if (pla) {
5078 				list_del(&pla->list);
5079 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5080 			}
5081 			return;
5082 		}
5083 
5084 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5085 		/* search again to make sure no one else got ahead */
5086 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5087 		    e->u.new_sess.port_name, 1);
5088 		if (tfcp) {
5089 			/* should rarily happen */
5090 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5091 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5092 			    __func__, tfcp->port_name, tfcp->disc_state,
5093 			    tfcp->fw_login_state);
5094 
5095 			free_fcport = 1;
5096 		} else {
5097 			list_add_tail(&fcport->list, &vha->vp_fcports);
5098 
5099 		}
5100 		if (pla) {
5101 			qlt_plogi_ack_link(vha, pla, fcport,
5102 			    QLT_PLOGI_LINK_SAME_WWN);
5103 			pla->ref_count--;
5104 		}
5105 	}
5106 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5107 
5108 	if (fcport) {
5109 		fcport->id_changed = 1;
5110 		fcport->scan_state = QLA_FCPORT_FOUND;
5111 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5112 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5113 
5114 		if (pla) {
5115 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5116 				u16 wd3_lo;
5117 
5118 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5119 				fcport->local = 0;
5120 				fcport->loop_id =
5121 					le16_to_cpu(
5122 					    pla->iocb.u.isp24.nport_handle);
5123 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5124 				wd3_lo =
5125 				    le16_to_cpu(
5126 					pla->iocb.u.isp24.u.prli.wd3_lo);
5127 
5128 				if (wd3_lo & BIT_7)
5129 					fcport->conf_compl_supported = 1;
5130 
5131 				if ((wd3_lo & BIT_4) == 0)
5132 					fcport->port_type = FCT_INITIATOR;
5133 				else
5134 					fcport->port_type = FCT_TARGET;
5135 			}
5136 			qlt_plogi_ack_unref(vha, pla);
5137 		} else {
5138 			fc_port_t *dfcp = NULL;
5139 
5140 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5141 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5142 			    &e->u.new_sess.id, 1);
5143 			if (tfcp && (tfcp != fcport)) {
5144 				/*
5145 				 * We have a conflict fcport with same NportID.
5146 				 */
5147 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5148 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5149 				    __func__, tfcp->port_name, tfcp->disc_state,
5150 				    tfcp->fw_login_state);
5151 
5152 				switch (tfcp->disc_state) {
5153 				case DSC_DELETED:
5154 					break;
5155 				case DSC_DELETE_PEND:
5156 					fcport->login_pause = 1;
5157 					tfcp->conflict = fcport;
5158 					break;
5159 				default:
5160 					fcport->login_pause = 1;
5161 					tfcp->conflict = fcport;
5162 					dfcp = tfcp;
5163 					break;
5164 				}
5165 			}
5166 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5167 			if (dfcp)
5168 				qlt_schedule_sess_for_deletion(tfcp);
5169 
5170 			if (N2N_TOPO(vha->hw)) {
5171 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5172 				fcport->keep_nport_handle = 1;
5173 				if (vha->flags.nvme_enabled) {
5174 					fcport->fc4_type =
5175 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5176 					fcport->n2n_flag = 1;
5177 				}
5178 				fcport->fw_login_state = 0;
5179 
5180 				schedule_delayed_work(&vha->scan.scan_work, 5);
5181 			} else {
5182 				qla24xx_fcport_handle_login(vha, fcport);
5183 			}
5184 		}
5185 	}
5186 
5187 	if (free_fcport) {
5188 		qla2x00_free_fcport(fcport);
5189 		if (pla) {
5190 			list_del(&pla->list);
5191 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5192 		}
5193 	}
5194 }
5195 
5196 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5197 {
5198 	struct srb *sp = e->u.iosb.sp;
5199 	int rval;
5200 
5201 	rval = qla2x00_start_sp(sp);
5202 	if (rval != QLA_SUCCESS) {
5203 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5204 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5205 		    __func__, sp->name, rval);
5206 		qla24xx_sp_unmap(vha, sp);
5207 	}
5208 }
5209 
5210 void
5211 qla2x00_do_work(struct scsi_qla_host *vha)
5212 {
5213 	struct qla_work_evt *e, *tmp;
5214 	unsigned long flags;
5215 	LIST_HEAD(work);
5216 	int rc;
5217 
5218 	spin_lock_irqsave(&vha->work_lock, flags);
5219 	list_splice_init(&vha->work_list, &work);
5220 	spin_unlock_irqrestore(&vha->work_lock, flags);
5221 
5222 	list_for_each_entry_safe(e, tmp, &work, list) {
5223 		rc = QLA_SUCCESS;
5224 		switch (e->type) {
5225 		case QLA_EVT_AEN:
5226 			fc_host_post_event(vha->host, fc_get_event_number(),
5227 			    e->u.aen.code, e->u.aen.data);
5228 			break;
5229 		case QLA_EVT_IDC_ACK:
5230 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5231 			break;
5232 		case QLA_EVT_ASYNC_LOGIN:
5233 			qla2x00_async_login(vha, e->u.logio.fcport,
5234 			    e->u.logio.data);
5235 			break;
5236 		case QLA_EVT_ASYNC_LOGOUT:
5237 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5238 			break;
5239 		case QLA_EVT_ASYNC_ADISC:
5240 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5241 			    e->u.logio.data);
5242 			break;
5243 		case QLA_EVT_UEVENT:
5244 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5245 			break;
5246 		case QLA_EVT_AENFX:
5247 			qlafx00_process_aen(vha, e);
5248 			break;
5249 		case QLA_EVT_GPNID:
5250 			qla24xx_async_gpnid(vha, &e->u.gpnid.id);
5251 			break;
5252 		case QLA_EVT_UNMAP:
5253 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5254 			break;
5255 		case QLA_EVT_RELOGIN:
5256 			qla2x00_relogin(vha);
5257 			break;
5258 		case QLA_EVT_NEW_SESS:
5259 			qla24xx_create_new_sess(vha, e);
5260 			break;
5261 		case QLA_EVT_GPDB:
5262 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5263 			    e->u.fcport.opt);
5264 			break;
5265 		case QLA_EVT_PRLI:
5266 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5267 			break;
5268 		case QLA_EVT_GPSC:
5269 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5270 			break;
5271 		case QLA_EVT_GNL:
5272 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5273 			break;
5274 		case QLA_EVT_NACK:
5275 			qla24xx_do_nack_work(vha, e);
5276 			break;
5277 		case QLA_EVT_ASYNC_PRLO:
5278 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5279 			break;
5280 		case QLA_EVT_ASYNC_PRLO_DONE:
5281 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5282 			    e->u.logio.data);
5283 			break;
5284 		case QLA_EVT_GPNFT:
5285 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5286 			    e->u.gpnft.sp);
5287 			break;
5288 		case QLA_EVT_GPNFT_DONE:
5289 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5290 			break;
5291 		case QLA_EVT_GNNFT_DONE:
5292 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5293 			break;
5294 		case QLA_EVT_GNNID:
5295 			qla24xx_async_gnnid(vha, e->u.fcport.fcport);
5296 			break;
5297 		case QLA_EVT_GFPNID:
5298 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5299 			break;
5300 		case QLA_EVT_SP_RETRY:
5301 			qla_sp_retry(vha, e);
5302 			break;
5303 		case QLA_EVT_IIDMA:
5304 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5305 			break;
5306 		case QLA_EVT_ELS_PLOGI:
5307 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5308 			    e->u.fcport.fcport, false);
5309 			break;
5310 		}
5311 
5312 		if (rc == EAGAIN) {
5313 			/* put 'work' at head of 'vha->work_list' */
5314 			spin_lock_irqsave(&vha->work_lock, flags);
5315 			list_splice(&work, &vha->work_list);
5316 			spin_unlock_irqrestore(&vha->work_lock, flags);
5317 			break;
5318 		}
5319 		list_del_init(&e->list);
5320 		if (e->flags & QLA_EVT_FLAG_FREE)
5321 			kfree(e);
5322 
5323 		/* For each work completed decrement vha ref count */
5324 		QLA_VHA_MARK_NOT_BUSY(vha);
5325 	}
5326 }
5327 
5328 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5329 {
5330 	struct qla_work_evt *e;
5331 
5332 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5333 
5334 	if (!e) {
5335 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5336 		return QLA_FUNCTION_FAILED;
5337 	}
5338 
5339 	return qla2x00_post_work(vha, e);
5340 }
5341 
5342 /* Relogins all the fcports of a vport
5343  * Context: dpc thread
5344  */
5345 void qla2x00_relogin(struct scsi_qla_host *vha)
5346 {
5347 	fc_port_t       *fcport;
5348 	int status, relogin_needed = 0;
5349 	struct event_arg ea;
5350 
5351 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5352 		/*
5353 		 * If the port is not ONLINE then try to login
5354 		 * to it if we haven't run out of retries.
5355 		 */
5356 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5357 		    fcport->login_retry) {
5358 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5359 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5360 				continue;
5361 
5362 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5363 				fcport->disc_state == DSC_DELETE_PEND) {
5364 				relogin_needed = 1;
5365 			} else {
5366 				if (vha->hw->current_topology != ISP_CFG_NL) {
5367 					memset(&ea, 0, sizeof(ea));
5368 					ea.fcport = fcport;
5369 					qla24xx_handle_relogin_event(vha, &ea);
5370 				} else if (vha->hw->current_topology ==
5371 				    ISP_CFG_NL) {
5372 					fcport->login_retry--;
5373 					status =
5374 					    qla2x00_local_device_login(vha,
5375 						fcport);
5376 					if (status == QLA_SUCCESS) {
5377 						fcport->old_loop_id =
5378 						    fcport->loop_id;
5379 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5380 						    "Port login OK: logged in ID 0x%x.\n",
5381 						    fcport->loop_id);
5382 						qla2x00_update_fcport
5383 							(vha, fcport);
5384 					} else if (status == 1) {
5385 						set_bit(RELOGIN_NEEDED,
5386 						    &vha->dpc_flags);
5387 						/* retry the login again */
5388 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5389 						    "Retrying %d login again loop_id 0x%x.\n",
5390 						    fcport->login_retry,
5391 						    fcport->loop_id);
5392 					} else {
5393 						fcport->login_retry = 0;
5394 					}
5395 
5396 					if (fcport->login_retry == 0 &&
5397 					    status != QLA_SUCCESS)
5398 						qla2x00_clear_loop_id(fcport);
5399 				}
5400 			}
5401 		}
5402 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5403 			break;
5404 	}
5405 
5406 	if (relogin_needed)
5407 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5408 
5409 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5410 	    "Relogin end.\n");
5411 }
5412 
5413 /* Schedule work on any of the dpc-workqueues */
5414 void
5415 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5416 {
5417 	struct qla_hw_data *ha = base_vha->hw;
5418 
5419 	switch (work_code) {
5420 	case MBA_IDC_AEN: /* 0x8200 */
5421 		if (ha->dpc_lp_wq)
5422 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5423 		break;
5424 
5425 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5426 		if (!ha->flags.nic_core_reset_hdlr_active) {
5427 			if (ha->dpc_hp_wq)
5428 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5429 		} else
5430 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5431 			    "NIC Core reset is already active. Skip "
5432 			    "scheduling it again.\n");
5433 		break;
5434 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5435 		if (ha->dpc_hp_wq)
5436 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5437 		break;
5438 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5439 		if (ha->dpc_hp_wq)
5440 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5441 		break;
5442 	default:
5443 		ql_log(ql_log_warn, base_vha, 0xb05f,
5444 		    "Unknown work-code=0x%x.\n", work_code);
5445 	}
5446 
5447 	return;
5448 }
5449 
5450 /* Work: Perform NIC Core Unrecoverable state handling */
5451 void
5452 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5453 {
5454 	struct qla_hw_data *ha =
5455 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5456 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5457 	uint32_t dev_state = 0;
5458 
5459 	qla83xx_idc_lock(base_vha, 0);
5460 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5461 	qla83xx_reset_ownership(base_vha);
5462 	if (ha->flags.nic_core_reset_owner) {
5463 		ha->flags.nic_core_reset_owner = 0;
5464 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5465 		    QLA8XXX_DEV_FAILED);
5466 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5467 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5468 	}
5469 	qla83xx_idc_unlock(base_vha, 0);
5470 }
5471 
5472 /* Work: Execute IDC state handler */
5473 void
5474 qla83xx_idc_state_handler_work(struct work_struct *work)
5475 {
5476 	struct qla_hw_data *ha =
5477 		container_of(work, struct qla_hw_data, idc_state_handler);
5478 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5479 	uint32_t dev_state = 0;
5480 
5481 	qla83xx_idc_lock(base_vha, 0);
5482 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5483 	if (dev_state == QLA8XXX_DEV_FAILED ||
5484 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5485 		qla83xx_idc_state_handler(base_vha);
5486 	qla83xx_idc_unlock(base_vha, 0);
5487 }
5488 
5489 static int
5490 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5491 {
5492 	int rval = QLA_SUCCESS;
5493 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5494 	uint32_t heart_beat_counter1, heart_beat_counter2;
5495 
5496 	do {
5497 		if (time_after(jiffies, heart_beat_wait)) {
5498 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5499 			    "Nic Core f/w is not alive.\n");
5500 			rval = QLA_FUNCTION_FAILED;
5501 			break;
5502 		}
5503 
5504 		qla83xx_idc_lock(base_vha, 0);
5505 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5506 		    &heart_beat_counter1);
5507 		qla83xx_idc_unlock(base_vha, 0);
5508 		msleep(100);
5509 		qla83xx_idc_lock(base_vha, 0);
5510 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5511 		    &heart_beat_counter2);
5512 		qla83xx_idc_unlock(base_vha, 0);
5513 	} while (heart_beat_counter1 == heart_beat_counter2);
5514 
5515 	return rval;
5516 }
5517 
5518 /* Work: Perform NIC Core Reset handling */
5519 void
5520 qla83xx_nic_core_reset_work(struct work_struct *work)
5521 {
5522 	struct qla_hw_data *ha =
5523 		container_of(work, struct qla_hw_data, nic_core_reset);
5524 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5525 	uint32_t dev_state = 0;
5526 
5527 	if (IS_QLA2031(ha)) {
5528 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5529 			ql_log(ql_log_warn, base_vha, 0xb081,
5530 			    "Failed to dump mctp\n");
5531 		return;
5532 	}
5533 
5534 	if (!ha->flags.nic_core_reset_hdlr_active) {
5535 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5536 			qla83xx_idc_lock(base_vha, 0);
5537 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5538 			    &dev_state);
5539 			qla83xx_idc_unlock(base_vha, 0);
5540 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5541 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5542 				    "Nic Core f/w is alive.\n");
5543 				return;
5544 			}
5545 		}
5546 
5547 		ha->flags.nic_core_reset_hdlr_active = 1;
5548 		if (qla83xx_nic_core_reset(base_vha)) {
5549 			/* NIC Core reset failed. */
5550 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5551 			    "NIC Core reset failed.\n");
5552 		}
5553 		ha->flags.nic_core_reset_hdlr_active = 0;
5554 	}
5555 }
5556 
5557 /* Work: Handle 8200 IDC aens */
5558 void
5559 qla83xx_service_idc_aen(struct work_struct *work)
5560 {
5561 	struct qla_hw_data *ha =
5562 		container_of(work, struct qla_hw_data, idc_aen);
5563 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5564 	uint32_t dev_state, idc_control;
5565 
5566 	qla83xx_idc_lock(base_vha, 0);
5567 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5568 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5569 	qla83xx_idc_unlock(base_vha, 0);
5570 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5571 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5572 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5573 			    "Application requested NIC Core Reset.\n");
5574 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5575 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5576 		    QLA_SUCCESS) {
5577 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5578 			    "Other protocol driver requested NIC Core Reset.\n");
5579 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5580 		}
5581 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5582 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5583 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5584 	}
5585 }
5586 
5587 static void
5588 qla83xx_wait_logic(void)
5589 {
5590 	int i;
5591 
5592 	/* Yield CPU */
5593 	if (!in_interrupt()) {
5594 		/*
5595 		 * Wait about 200ms before retrying again.
5596 		 * This controls the number of retries for single
5597 		 * lock operation.
5598 		 */
5599 		msleep(100);
5600 		schedule();
5601 	} else {
5602 		for (i = 0; i < 20; i++)
5603 			cpu_relax(); /* This a nop instr on i386 */
5604 	}
5605 }
5606 
5607 static int
5608 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5609 {
5610 	int rval;
5611 	uint32_t data;
5612 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5613 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5614 	struct qla_hw_data *ha = base_vha->hw;
5615 
5616 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5617 	    "Trying force recovery of the IDC lock.\n");
5618 
5619 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5620 	if (rval)
5621 		return rval;
5622 
5623 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5624 		return QLA_SUCCESS;
5625 	} else {
5626 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5627 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5628 		    data);
5629 		if (rval)
5630 			return rval;
5631 
5632 		msleep(200);
5633 
5634 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5635 		    &data);
5636 		if (rval)
5637 			return rval;
5638 
5639 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5640 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5641 					~(idc_lck_rcvry_stage_mask));
5642 			rval = qla83xx_wr_reg(base_vha,
5643 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5644 			if (rval)
5645 				return rval;
5646 
5647 			/* Forcefully perform IDC UnLock */
5648 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5649 			    &data);
5650 			if (rval)
5651 				return rval;
5652 			/* Clear lock-id by setting 0xff */
5653 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5654 			    0xff);
5655 			if (rval)
5656 				return rval;
5657 			/* Clear lock-recovery by setting 0x0 */
5658 			rval = qla83xx_wr_reg(base_vha,
5659 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5660 			if (rval)
5661 				return rval;
5662 		} else
5663 			return QLA_SUCCESS;
5664 	}
5665 
5666 	return rval;
5667 }
5668 
5669 static int
5670 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5671 {
5672 	int rval = QLA_SUCCESS;
5673 	uint32_t o_drv_lockid, n_drv_lockid;
5674 	unsigned long lock_recovery_timeout;
5675 
5676 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5677 retry_lockid:
5678 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5679 	if (rval)
5680 		goto exit;
5681 
5682 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5683 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5684 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5685 			return QLA_SUCCESS;
5686 		else
5687 			return QLA_FUNCTION_FAILED;
5688 	}
5689 
5690 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5691 	if (rval)
5692 		goto exit;
5693 
5694 	if (o_drv_lockid == n_drv_lockid) {
5695 		qla83xx_wait_logic();
5696 		goto retry_lockid;
5697 	} else
5698 		return QLA_SUCCESS;
5699 
5700 exit:
5701 	return rval;
5702 }
5703 
5704 void
5705 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5706 {
5707 	uint32_t data;
5708 	uint32_t lock_owner;
5709 	struct qla_hw_data *ha = base_vha->hw;
5710 
5711 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5712 retry_lock:
5713 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5714 	    == QLA_SUCCESS) {
5715 		if (data) {
5716 			/* Setting lock-id to our function-number */
5717 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5718 			    ha->portnum);
5719 		} else {
5720 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5721 			    &lock_owner);
5722 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5723 			    "Failed to acquire IDC lock, acquired by %d, "
5724 			    "retrying...\n", lock_owner);
5725 
5726 			/* Retry/Perform IDC-Lock recovery */
5727 			if (qla83xx_idc_lock_recovery(base_vha)
5728 			    == QLA_SUCCESS) {
5729 				qla83xx_wait_logic();
5730 				goto retry_lock;
5731 			} else
5732 				ql_log(ql_log_warn, base_vha, 0xb075,
5733 				    "IDC Lock recovery FAILED.\n");
5734 		}
5735 
5736 	}
5737 
5738 	return;
5739 }
5740 
5741 static bool
5742 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5743 	struct purex_entry_24xx *purex)
5744 {
5745 	char fwstr[16];
5746 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5747 	struct port_database_24xx *pdb;
5748 
5749 	/* Domain Controller is always logged-out. */
5750 	/* if RDP request is not from Domain Controller: */
5751 	if (sid != 0xfffc01)
5752 		return false;
5753 
5754 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5755 
5756 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5757 	if (!pdb) {
5758 		ql_dbg(ql_dbg_init, vha, 0x0181,
5759 		    "%s: Failed allocate pdb\n", __func__);
5760 	} else if (qla24xx_get_port_database(vha, purex->nport_handle, pdb)) {
5761 		ql_dbg(ql_dbg_init, vha, 0x0181,
5762 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
5763 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
5764 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
5765 		ql_dbg(ql_dbg_init, vha, 0x0181,
5766 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
5767 	} else {
5768 		/* RDP request is from logged in port */
5769 		kfree(pdb);
5770 		return false;
5771 	}
5772 	kfree(pdb);
5773 
5774 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
5775 	fwstr[strcspn(fwstr, " ")] = 0;
5776 	/* if FW version allows RDP response length upto 2048 bytes: */
5777 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
5778 		return false;
5779 
5780 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
5781 
5782 	/* RDP response length is to be reduced to maximum 256 bytes */
5783 	return true;
5784 }
5785 
5786 static uint
5787 qla25xx_rdp_port_speed_capability(struct qla_hw_data *ha)
5788 {
5789 	if (IS_CNA_CAPABLE(ha))
5790 		return RDP_PORT_SPEED_10GB;
5791 
5792 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
5793 		unsigned int speeds = 0;
5794 
5795 		if (ha->max_supported_speed == 2) {
5796 			if (ha->min_supported_speed <= 6)
5797 				speeds |= RDP_PORT_SPEED_64GB;
5798 		}
5799 
5800 		if (ha->max_supported_speed == 2 ||
5801 		    ha->max_supported_speed == 1) {
5802 			if (ha->min_supported_speed <= 5)
5803 				speeds |= RDP_PORT_SPEED_32GB;
5804 		}
5805 
5806 		if (ha->max_supported_speed == 2 ||
5807 		    ha->max_supported_speed == 1 ||
5808 		    ha->max_supported_speed == 0) {
5809 			if (ha->min_supported_speed <= 4)
5810 				speeds |= RDP_PORT_SPEED_16GB;
5811 		}
5812 
5813 		if (ha->max_supported_speed == 1 ||
5814 		    ha->max_supported_speed == 0) {
5815 			if (ha->min_supported_speed <= 3)
5816 				speeds |= RDP_PORT_SPEED_8GB;
5817 		}
5818 
5819 		if (ha->max_supported_speed == 0) {
5820 			if (ha->min_supported_speed <= 2)
5821 				speeds |= RDP_PORT_SPEED_4GB;
5822 		}
5823 
5824 		return speeds;
5825 	}
5826 
5827 	if (IS_QLA2031(ha))
5828 		return RDP_PORT_SPEED_16GB|RDP_PORT_SPEED_8GB|
5829 		       RDP_PORT_SPEED_4GB;
5830 
5831 	if (IS_QLA25XX(ha))
5832 		return RDP_PORT_SPEED_8GB|RDP_PORT_SPEED_4GB|
5833 		       RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
5834 
5835 	if (IS_QLA24XX_TYPE(ha))
5836 		return RDP_PORT_SPEED_4GB|RDP_PORT_SPEED_2GB|
5837 		       RDP_PORT_SPEED_1GB;
5838 
5839 	if (IS_QLA23XX(ha))
5840 		return RDP_PORT_SPEED_2GB|RDP_PORT_SPEED_1GB;
5841 
5842 	return RDP_PORT_SPEED_1GB;
5843 }
5844 
5845 static uint
5846 qla25xx_rdp_port_speed_currently(struct qla_hw_data *ha)
5847 {
5848 	switch (ha->link_data_rate) {
5849 	case PORT_SPEED_1GB:
5850 		return RDP_PORT_SPEED_1GB;
5851 
5852 	case PORT_SPEED_2GB:
5853 		return RDP_PORT_SPEED_2GB;
5854 
5855 	case PORT_SPEED_4GB:
5856 		return RDP_PORT_SPEED_4GB;
5857 
5858 	case PORT_SPEED_8GB:
5859 		return RDP_PORT_SPEED_8GB;
5860 
5861 	case PORT_SPEED_10GB:
5862 		return RDP_PORT_SPEED_10GB;
5863 
5864 	case PORT_SPEED_16GB:
5865 		return RDP_PORT_SPEED_16GB;
5866 
5867 	case PORT_SPEED_32GB:
5868 		return RDP_PORT_SPEED_32GB;
5869 
5870 	case PORT_SPEED_64GB:
5871 		return RDP_PORT_SPEED_64GB;
5872 
5873 	default:
5874 		return RDP_PORT_SPEED_UNKNOWN;
5875 	}
5876 }
5877 
5878 /*
5879  * Function Name: qla24xx_process_purex_iocb
5880  *
5881  * Description:
5882  * Prepare a RDP response and send to Fabric switch
5883  *
5884  * PARAMETERS:
5885  * vha:	SCSI qla host
5886  * purex: RDP request received by HBA
5887  */
5888 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha, void *pkt)
5889 {
5890 	struct qla_hw_data *ha = vha->hw;
5891 	struct purex_entry_24xx *purex = pkt;
5892 	dma_addr_t rsp_els_dma;
5893 	dma_addr_t rsp_payload_dma;
5894 	dma_addr_t stat_dma;
5895 	dma_addr_t bbc_dma;
5896 	dma_addr_t sfp_dma;
5897 	struct els_entry_24xx *rsp_els = NULL;
5898 	struct rdp_rsp_payload *rsp_payload = NULL;
5899 	struct link_statistics *stat = NULL;
5900 	struct buffer_credit_24xx *bbc = NULL;
5901 	uint8_t *sfp = NULL;
5902 	uint16_t sfp_flags = 0;
5903 	uint rsp_payload_length = sizeof(*rsp_payload);
5904 	int rval;
5905 
5906 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
5907 	    "%s: Enter\n", __func__);
5908 
5909 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
5910 	    "-------- ELS REQ -------\n");
5911 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
5912 	    (void *)purex, sizeof(*purex));
5913 
5914 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
5915 		rsp_payload_length =
5916 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
5917 		ql_dbg(ql_dbg_init, vha, 0x0181,
5918 		    "Reducing RSP payload length to %u bytes...\n",
5919 		    rsp_payload_length);
5920 	}
5921 
5922 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
5923 	    &rsp_els_dma, GFP_KERNEL);
5924 	if (!rsp_els) {
5925 		ql_log(ql_log_warn, vha, 0x0183,
5926 		    "Failed allocate dma buffer ELS RSP.\n");
5927 		goto dealloc;
5928 	}
5929 
5930 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
5931 	    &rsp_payload_dma, GFP_KERNEL);
5932 	if (!rsp_payload) {
5933 		ql_log(ql_log_warn, vha, 0x0184,
5934 		    "Failed allocate dma buffer ELS RSP payload.\n");
5935 		goto dealloc;
5936 	}
5937 
5938 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
5939 	    &sfp_dma, GFP_KERNEL);
5940 
5941 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
5942 	    &stat_dma, GFP_KERNEL);
5943 
5944 	bbc = dma_alloc_coherent(&ha->pdev->dev, sizeof(*bbc),
5945 	    &bbc_dma, GFP_KERNEL);
5946 
5947 	/* Prepare Response IOCB */
5948 	rsp_els->entry_type = ELS_IOCB_TYPE;
5949 	rsp_els->entry_count = 1;
5950 	rsp_els->sys_define = 0;
5951 	rsp_els->entry_status = 0;
5952 	rsp_els->handle = 0;
5953 	rsp_els->nport_handle = purex->nport_handle;
5954 	rsp_els->tx_dsd_count = 1;
5955 	rsp_els->vp_index = purex->vp_idx;
5956 	rsp_els->sof_type = EST_SOFI3;
5957 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
5958 	rsp_els->rx_dsd_count = 0;
5959 	rsp_els->opcode = purex->els_frame_payload[0];
5960 
5961 	rsp_els->d_id[0] = purex->s_id[0];
5962 	rsp_els->d_id[1] = purex->s_id[1];
5963 	rsp_els->d_id[2] = purex->s_id[2];
5964 
5965 	rsp_els->control_flags = EPD_ELS_ACC;
5966 	rsp_els->rx_byte_count = 0;
5967 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
5968 
5969 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
5970 	rsp_els->tx_len = rsp_els->tx_byte_count;
5971 
5972 	rsp_els->rx_address = 0;
5973 	rsp_els->rx_len = 0;
5974 
5975 	/* Prepare Response Payload */
5976 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
5977 	rsp_payload->hdr.len = cpu_to_be32(
5978 	    rsp_els->tx_byte_count - sizeof(rsp_payload->hdr));
5979 
5980 	/* Link service Request Info Descriptor */
5981 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
5982 	rsp_payload->ls_req_info_desc.desc_len =
5983 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
5984 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
5985 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5986 
5987 	/* Link service Request Info Descriptor 2 */
5988 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
5989 	rsp_payload->ls_req_info_desc2.desc_len =
5990 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
5991 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
5992 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
5993 
5994 
5995 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
5996 	rsp_payload->sfp_diag_desc.desc_len =
5997 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
5998 
5999 	if (sfp) {
6000 		/* SFP Flags */
6001 		memset(sfp, 0, SFP_RTDI_LEN);
6002 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6003 		if (!rval) {
6004 			/* SFP Flags bits 3-0: Port Tx Laser Type */
6005 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6006 				sfp_flags |= BIT_0; /* short wave */
6007 			else if (sfp[0] & BIT_1)
6008 				sfp_flags |= BIT_1; /* long wave 1310nm */
6009 			else if (sfp[1] & BIT_4)
6010 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6011 		}
6012 
6013 		/* SFP Type */
6014 		memset(sfp, 0, SFP_RTDI_LEN);
6015 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6016 		if (!rval) {
6017 			sfp_flags |= BIT_4; /* optical */
6018 			if (sfp[0] == 0x3)
6019 				sfp_flags |= BIT_6; /* sfp+ */
6020 		}
6021 
6022 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6023 
6024 		/* SFP Diagnostics */
6025 		memset(sfp, 0, SFP_RTDI_LEN);
6026 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6027 		if (!rval) {
6028 			uint16_t *trx = (void *)sfp; /* already be16 */
6029 			rsp_payload->sfp_diag_desc.temperature = trx[0];
6030 			rsp_payload->sfp_diag_desc.vcc = trx[1];
6031 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6032 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6033 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6034 		}
6035 	}
6036 
6037 	/* Port Speed Descriptor */
6038 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6039 	rsp_payload->port_speed_desc.desc_len =
6040 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6041 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6042 	    qla25xx_rdp_port_speed_capability(ha));
6043 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6044 	    qla25xx_rdp_port_speed_currently(ha));
6045 
6046 	/* Link Error Status Descriptor */
6047 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6048 	rsp_payload->ls_err_desc.desc_len =
6049 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6050 
6051 	if (stat) {
6052 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6053 		if (!rval) {
6054 			rsp_payload->ls_err_desc.link_fail_cnt =
6055 			    cpu_to_be32(stat->link_fail_cnt);
6056 			rsp_payload->ls_err_desc.loss_sync_cnt =
6057 			    cpu_to_be32(stat->loss_sync_cnt);
6058 			rsp_payload->ls_err_desc.loss_sig_cnt =
6059 			    cpu_to_be32(stat->loss_sig_cnt);
6060 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6061 			    cpu_to_be32(stat->prim_seq_err_cnt);
6062 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6063 			    cpu_to_be32(stat->inval_xmit_word_cnt);
6064 			rsp_payload->ls_err_desc.inval_crc_cnt =
6065 			    cpu_to_be32(stat->inval_crc_cnt);
6066 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6067 		}
6068 	}
6069 
6070 	/* Portname Descriptor */
6071 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6072 	rsp_payload->port_name_diag_desc.desc_len =
6073 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6074 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6075 	    vha->node_name,
6076 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6077 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6078 	    vha->port_name,
6079 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6080 
6081 	/* F-Port Portname Descriptor */
6082 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6083 	rsp_payload->port_name_direct_desc.desc_len =
6084 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6085 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6086 	    vha->fabric_node_name,
6087 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6088 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6089 	    vha->fabric_port_name,
6090 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6091 
6092 	/* Bufer Credit Descriptor */
6093 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6094 	rsp_payload->buffer_credit_desc.desc_len =
6095 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6096 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6097 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6098 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6099 
6100 	if (bbc) {
6101 		memset(bbc, 0, sizeof(*bbc));
6102 		rval = qla24xx_get_buffer_credits(vha, bbc, bbc_dma);
6103 		if (!rval) {
6104 			rsp_payload->buffer_credit_desc.fcport_b2b =
6105 			    cpu_to_be32(LSW(bbc->parameter[0]));
6106 		}
6107 	}
6108 
6109 	if (rsp_payload_length < sizeof(*rsp_payload))
6110 		goto send;
6111 
6112 	/* Optical Element Descriptor, Temperature */
6113 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6114 	rsp_payload->optical_elmt_desc[0].desc_len =
6115 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6116 	/* Optical Element Descriptor, Voltage */
6117 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6118 	rsp_payload->optical_elmt_desc[1].desc_len =
6119 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6120 	/* Optical Element Descriptor, Tx Bias Current */
6121 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6122 	rsp_payload->optical_elmt_desc[2].desc_len =
6123 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6124 	/* Optical Element Descriptor, Tx Power */
6125 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6126 	rsp_payload->optical_elmt_desc[3].desc_len =
6127 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6128 	/* Optical Element Descriptor, Rx Power */
6129 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6130 	rsp_payload->optical_elmt_desc[4].desc_len =
6131 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6132 
6133 	if (sfp) {
6134 		memset(sfp, 0, SFP_RTDI_LEN);
6135 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6136 		if (!rval) {
6137 			uint16_t *trx = (void *)sfp; /* already be16 */
6138 
6139 			/* Optical Element Descriptor, Temperature */
6140 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6141 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6142 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6143 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6144 			rsp_payload->optical_elmt_desc[0].element_flags =
6145 			    cpu_to_be32(1 << 28);
6146 
6147 			/* Optical Element Descriptor, Voltage */
6148 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6149 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6150 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6151 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6152 			rsp_payload->optical_elmt_desc[1].element_flags =
6153 			    cpu_to_be32(2 << 28);
6154 
6155 			/* Optical Element Descriptor, Tx Bias Current */
6156 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6157 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6158 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6159 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6160 			rsp_payload->optical_elmt_desc[2].element_flags =
6161 			    cpu_to_be32(3 << 28);
6162 
6163 			/* Optical Element Descriptor, Tx Power */
6164 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6165 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6166 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6167 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6168 			rsp_payload->optical_elmt_desc[3].element_flags =
6169 			    cpu_to_be32(4 << 28);
6170 
6171 			/* Optical Element Descriptor, Rx Power */
6172 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6173 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6174 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6175 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6176 			rsp_payload->optical_elmt_desc[4].element_flags =
6177 			    cpu_to_be32(5 << 28);
6178 		}
6179 
6180 		memset(sfp, 0, SFP_RTDI_LEN);
6181 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6182 		if (!rval) {
6183 			/* Temperature high/low alarm/warning */
6184 			rsp_payload->optical_elmt_desc[0].element_flags |=
6185 			    cpu_to_be32(
6186 				(sfp[0] >> 7 & 1) << 3 |
6187 				(sfp[0] >> 6 & 1) << 2 |
6188 				(sfp[4] >> 7 & 1) << 1 |
6189 				(sfp[4] >> 6 & 1) << 0);
6190 
6191 			/* Voltage high/low alarm/warning */
6192 			rsp_payload->optical_elmt_desc[1].element_flags |=
6193 			    cpu_to_be32(
6194 				(sfp[0] >> 5 & 1) << 3 |
6195 				(sfp[0] >> 4 & 1) << 2 |
6196 				(sfp[4] >> 5 & 1) << 1 |
6197 				(sfp[4] >> 4 & 1) << 0);
6198 
6199 			/* Tx Bias Current high/low alarm/warning */
6200 			rsp_payload->optical_elmt_desc[2].element_flags |=
6201 			    cpu_to_be32(
6202 				(sfp[0] >> 3 & 1) << 3 |
6203 				(sfp[0] >> 2 & 1) << 2 |
6204 				(sfp[4] >> 3 & 1) << 1 |
6205 				(sfp[4] >> 2 & 1) << 0);
6206 
6207 			/* Tx Power high/low alarm/warning */
6208 			rsp_payload->optical_elmt_desc[3].element_flags |=
6209 			    cpu_to_be32(
6210 				(sfp[0] >> 1 & 1) << 3 |
6211 				(sfp[0] >> 0 & 1) << 2 |
6212 				(sfp[4] >> 1 & 1) << 1 |
6213 				(sfp[4] >> 0 & 1) << 0);
6214 
6215 			/* Rx Power high/low alarm/warning */
6216 			rsp_payload->optical_elmt_desc[4].element_flags |=
6217 			    cpu_to_be32(
6218 				(sfp[1] >> 7 & 1) << 3 |
6219 				(sfp[1] >> 6 & 1) << 2 |
6220 				(sfp[5] >> 7 & 1) << 1 |
6221 				(sfp[5] >> 6 & 1) << 0);
6222 		}
6223 	}
6224 
6225 	/* Optical Product Data Descriptor */
6226 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6227 	rsp_payload->optical_prod_desc.desc_len =
6228 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6229 
6230 	if (sfp) {
6231 		memset(sfp, 0, SFP_RTDI_LEN);
6232 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6233 		if (!rval) {
6234 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6235 			    sfp + 0,
6236 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6237 			memcpy(rsp_payload->optical_prod_desc.part_number,
6238 			    sfp + 20,
6239 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6240 			memcpy(rsp_payload->optical_prod_desc.revision,
6241 			    sfp + 36,
6242 			    sizeof(rsp_payload->optical_prod_desc.revision));
6243 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6244 			    sfp + 48,
6245 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6246 		}
6247 
6248 		memset(sfp, 0, SFP_RTDI_LEN);
6249 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6250 		if (!rval) {
6251 			memcpy(rsp_payload->optical_prod_desc.date,
6252 			    sfp + 0,
6253 			    sizeof(rsp_payload->optical_prod_desc.date));
6254 		}
6255 	}
6256 
6257 send:
6258 	ql_dbg(ql_dbg_init, vha, 0x0183,
6259 	    "Sending ELS Response to RDP Request...\n");
6260 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6261 	    "-------- ELS RSP -------\n");
6262 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6263 	    (void *)rsp_els, sizeof(*rsp_els));
6264 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6265 	    "-------- ELS RSP PAYLOAD -------\n");
6266 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6267 	    (void *)rsp_payload, rsp_payload_length);
6268 
6269 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6270 
6271 	if (rval) {
6272 		ql_log(ql_log_warn, vha, 0x0188,
6273 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6274 	} else if (rsp_els->comp_status) {
6275 		ql_log(ql_log_warn, vha, 0x0189,
6276 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6277 		    __func__, rsp_els->comp_status,
6278 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6279 	} else {
6280 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6281 	}
6282 
6283 dealloc:
6284 	if (bbc)
6285 		dma_free_coherent(&ha->pdev->dev, sizeof(*bbc),
6286 		    bbc, bbc_dma);
6287 	if (stat)
6288 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6289 		    stat, stat_dma);
6290 	if (sfp)
6291 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6292 		    sfp, sfp_dma);
6293 	if (rsp_payload)
6294 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6295 		    rsp_payload, rsp_payload_dma);
6296 	if (rsp_els)
6297 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6298 		    rsp_els, rsp_els_dma);
6299 }
6300 
6301 void qla24xx_process_purex_list(struct purex_list *list)
6302 {
6303 	struct list_head head = LIST_HEAD_INIT(head);
6304 	struct purex_item *item, *next;
6305 	ulong flags;
6306 
6307 	spin_lock_irqsave(&list->lock, flags);
6308 	list_splice_init(&list->head, &head);
6309 	spin_unlock_irqrestore(&list->lock, flags);
6310 
6311 	list_for_each_entry_safe(item, next, &head, list) {
6312 		list_del(&item->list);
6313 		item->process_item(item->vha, &item->iocb);
6314 		kfree(item);
6315 	}
6316 }
6317 
6318 void
6319 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6320 {
6321 #if 0
6322 	uint16_t options = (requester_id << 15) | BIT_7;
6323 #endif
6324 	uint16_t retry;
6325 	uint32_t data;
6326 	struct qla_hw_data *ha = base_vha->hw;
6327 
6328 	/* IDC-unlock implementation using driver-unlock/lock-id
6329 	 * remote registers
6330 	 */
6331 	retry = 0;
6332 retry_unlock:
6333 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6334 	    == QLA_SUCCESS) {
6335 		if (data == ha->portnum) {
6336 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6337 			/* Clearing lock-id by setting 0xff */
6338 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6339 		} else if (retry < 10) {
6340 			/* SV: XXX: IDC unlock retrying needed here? */
6341 
6342 			/* Retry for IDC-unlock */
6343 			qla83xx_wait_logic();
6344 			retry++;
6345 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6346 			    "Failed to release IDC lock, retrying=%d\n", retry);
6347 			goto retry_unlock;
6348 		}
6349 	} else if (retry < 10) {
6350 		/* Retry for IDC-unlock */
6351 		qla83xx_wait_logic();
6352 		retry++;
6353 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6354 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6355 		goto retry_unlock;
6356 	}
6357 
6358 	return;
6359 
6360 #if 0
6361 	/* XXX: IDC-unlock implementation using access-control mbx */
6362 	retry = 0;
6363 retry_unlock2:
6364 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6365 		if (retry < 10) {
6366 			/* Retry for IDC-unlock */
6367 			qla83xx_wait_logic();
6368 			retry++;
6369 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6370 			    "Failed to release IDC lock, retrying=%d\n", retry);
6371 			goto retry_unlock2;
6372 		}
6373 	}
6374 
6375 	return;
6376 #endif
6377 }
6378 
6379 int
6380 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6381 {
6382 	int rval = QLA_SUCCESS;
6383 	struct qla_hw_data *ha = vha->hw;
6384 	uint32_t drv_presence;
6385 
6386 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6387 	if (rval == QLA_SUCCESS) {
6388 		drv_presence |= (1 << ha->portnum);
6389 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6390 		    drv_presence);
6391 	}
6392 
6393 	return rval;
6394 }
6395 
6396 int
6397 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6398 {
6399 	int rval = QLA_SUCCESS;
6400 
6401 	qla83xx_idc_lock(vha, 0);
6402 	rval = __qla83xx_set_drv_presence(vha);
6403 	qla83xx_idc_unlock(vha, 0);
6404 
6405 	return rval;
6406 }
6407 
6408 int
6409 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6410 {
6411 	int rval = QLA_SUCCESS;
6412 	struct qla_hw_data *ha = vha->hw;
6413 	uint32_t drv_presence;
6414 
6415 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6416 	if (rval == QLA_SUCCESS) {
6417 		drv_presence &= ~(1 << ha->portnum);
6418 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6419 		    drv_presence);
6420 	}
6421 
6422 	return rval;
6423 }
6424 
6425 int
6426 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6427 {
6428 	int rval = QLA_SUCCESS;
6429 
6430 	qla83xx_idc_lock(vha, 0);
6431 	rval = __qla83xx_clear_drv_presence(vha);
6432 	qla83xx_idc_unlock(vha, 0);
6433 
6434 	return rval;
6435 }
6436 
6437 static void
6438 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6439 {
6440 	struct qla_hw_data *ha = vha->hw;
6441 	uint32_t drv_ack, drv_presence;
6442 	unsigned long ack_timeout;
6443 
6444 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6445 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6446 	while (1) {
6447 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6448 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6449 		if ((drv_ack & drv_presence) == drv_presence)
6450 			break;
6451 
6452 		if (time_after_eq(jiffies, ack_timeout)) {
6453 			ql_log(ql_log_warn, vha, 0xb067,
6454 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6455 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6456 			/*
6457 			 * The function(s) which did not ack in time are forced
6458 			 * to withdraw any further participation in the IDC
6459 			 * reset.
6460 			 */
6461 			if (drv_ack != drv_presence)
6462 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6463 				    drv_ack);
6464 			break;
6465 		}
6466 
6467 		qla83xx_idc_unlock(vha, 0);
6468 		msleep(1000);
6469 		qla83xx_idc_lock(vha, 0);
6470 	}
6471 
6472 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6473 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6474 }
6475 
6476 static int
6477 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6478 {
6479 	int rval = QLA_SUCCESS;
6480 	uint32_t idc_control;
6481 
6482 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6483 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6484 
6485 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6486 	__qla83xx_get_idc_control(vha, &idc_control);
6487 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6488 	__qla83xx_set_idc_control(vha, 0);
6489 
6490 	qla83xx_idc_unlock(vha, 0);
6491 	rval = qla83xx_restart_nic_firmware(vha);
6492 	qla83xx_idc_lock(vha, 0);
6493 
6494 	if (rval != QLA_SUCCESS) {
6495 		ql_log(ql_log_fatal, vha, 0xb06a,
6496 		    "Failed to restart NIC f/w.\n");
6497 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6498 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6499 	} else {
6500 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6501 		    "Success in restarting nic f/w.\n");
6502 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6503 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6504 	}
6505 
6506 	return rval;
6507 }
6508 
6509 /* Assumes idc_lock always held on entry */
6510 int
6511 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6512 {
6513 	struct qla_hw_data *ha = base_vha->hw;
6514 	int rval = QLA_SUCCESS;
6515 	unsigned long dev_init_timeout;
6516 	uint32_t dev_state;
6517 
6518 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6519 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6520 
6521 	while (1) {
6522 
6523 		if (time_after_eq(jiffies, dev_init_timeout)) {
6524 			ql_log(ql_log_warn, base_vha, 0xb06e,
6525 			    "Initialization TIMEOUT!\n");
6526 			/* Init timeout. Disable further NIC Core
6527 			 * communication.
6528 			 */
6529 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6530 				QLA8XXX_DEV_FAILED);
6531 			ql_log(ql_log_info, base_vha, 0xb06f,
6532 			    "HW State: FAILED.\n");
6533 		}
6534 
6535 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6536 		switch (dev_state) {
6537 		case QLA8XXX_DEV_READY:
6538 			if (ha->flags.nic_core_reset_owner)
6539 				qla83xx_idc_audit(base_vha,
6540 				    IDC_AUDIT_COMPLETION);
6541 			ha->flags.nic_core_reset_owner = 0;
6542 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6543 			    "Reset_owner reset by 0x%x.\n",
6544 			    ha->portnum);
6545 			goto exit;
6546 		case QLA8XXX_DEV_COLD:
6547 			if (ha->flags.nic_core_reset_owner)
6548 				rval = qla83xx_device_bootstrap(base_vha);
6549 			else {
6550 			/* Wait for AEN to change device-state */
6551 				qla83xx_idc_unlock(base_vha, 0);
6552 				msleep(1000);
6553 				qla83xx_idc_lock(base_vha, 0);
6554 			}
6555 			break;
6556 		case QLA8XXX_DEV_INITIALIZING:
6557 			/* Wait for AEN to change device-state */
6558 			qla83xx_idc_unlock(base_vha, 0);
6559 			msleep(1000);
6560 			qla83xx_idc_lock(base_vha, 0);
6561 			break;
6562 		case QLA8XXX_DEV_NEED_RESET:
6563 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6564 				qla83xx_need_reset_handler(base_vha);
6565 			else {
6566 				/* Wait for AEN to change device-state */
6567 				qla83xx_idc_unlock(base_vha, 0);
6568 				msleep(1000);
6569 				qla83xx_idc_lock(base_vha, 0);
6570 			}
6571 			/* reset timeout value after need reset handler */
6572 			dev_init_timeout = jiffies +
6573 			    (ha->fcoe_dev_init_timeout * HZ);
6574 			break;
6575 		case QLA8XXX_DEV_NEED_QUIESCENT:
6576 			/* XXX: DEBUG for now */
6577 			qla83xx_idc_unlock(base_vha, 0);
6578 			msleep(1000);
6579 			qla83xx_idc_lock(base_vha, 0);
6580 			break;
6581 		case QLA8XXX_DEV_QUIESCENT:
6582 			/* XXX: DEBUG for now */
6583 			if (ha->flags.quiesce_owner)
6584 				goto exit;
6585 
6586 			qla83xx_idc_unlock(base_vha, 0);
6587 			msleep(1000);
6588 			qla83xx_idc_lock(base_vha, 0);
6589 			dev_init_timeout = jiffies +
6590 			    (ha->fcoe_dev_init_timeout * HZ);
6591 			break;
6592 		case QLA8XXX_DEV_FAILED:
6593 			if (ha->flags.nic_core_reset_owner)
6594 				qla83xx_idc_audit(base_vha,
6595 				    IDC_AUDIT_COMPLETION);
6596 			ha->flags.nic_core_reset_owner = 0;
6597 			__qla83xx_clear_drv_presence(base_vha);
6598 			qla83xx_idc_unlock(base_vha, 0);
6599 			qla8xxx_dev_failed_handler(base_vha);
6600 			rval = QLA_FUNCTION_FAILED;
6601 			qla83xx_idc_lock(base_vha, 0);
6602 			goto exit;
6603 		case QLA8XXX_BAD_VALUE:
6604 			qla83xx_idc_unlock(base_vha, 0);
6605 			msleep(1000);
6606 			qla83xx_idc_lock(base_vha, 0);
6607 			break;
6608 		default:
6609 			ql_log(ql_log_warn, base_vha, 0xb071,
6610 			    "Unknown Device State: %x.\n", dev_state);
6611 			qla83xx_idc_unlock(base_vha, 0);
6612 			qla8xxx_dev_failed_handler(base_vha);
6613 			rval = QLA_FUNCTION_FAILED;
6614 			qla83xx_idc_lock(base_vha, 0);
6615 			goto exit;
6616 		}
6617 	}
6618 
6619 exit:
6620 	return rval;
6621 }
6622 
6623 void
6624 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6625 {
6626 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6627 	    board_disable);
6628 	struct pci_dev *pdev = ha->pdev;
6629 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6630 
6631 	/*
6632 	 * if UNLOAD flag is already set, then continue unload,
6633 	 * where it was set first.
6634 	 */
6635 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
6636 		return;
6637 
6638 	ql_log(ql_log_warn, base_vha, 0x015b,
6639 	    "Disabling adapter.\n");
6640 
6641 	if (!atomic_read(&pdev->enable_cnt)) {
6642 		ql_log(ql_log_info, base_vha, 0xfffc,
6643 		    "PCI device disabled, no action req for PCI error=%lx\n",
6644 		    base_vha->pci_flags);
6645 		return;
6646 	}
6647 
6648 	qla2x00_wait_for_sess_deletion(base_vha);
6649 
6650 	set_bit(UNLOADING, &base_vha->dpc_flags);
6651 
6652 	qla2x00_delete_all_vps(ha, base_vha);
6653 
6654 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6655 
6656 	qla2x00_dfs_remove(base_vha);
6657 
6658 	qla84xx_put_chip(base_vha);
6659 
6660 	if (base_vha->timer_active)
6661 		qla2x00_stop_timer(base_vha);
6662 
6663 	base_vha->flags.online = 0;
6664 
6665 	qla2x00_destroy_deferred_work(ha);
6666 
6667 	/*
6668 	 * Do not try to stop beacon blink as it will issue a mailbox
6669 	 * command.
6670 	 */
6671 	qla2x00_free_sysfs_attr(base_vha, false);
6672 
6673 	fc_remove_host(base_vha->host);
6674 
6675 	scsi_remove_host(base_vha->host);
6676 
6677 	base_vha->flags.init_done = 0;
6678 	qla25xx_delete_queues(base_vha);
6679 	qla2x00_free_fcports(base_vha);
6680 	qla2x00_free_irqs(base_vha);
6681 	qla2x00_mem_free(ha);
6682 	qla82xx_md_free(base_vha);
6683 	qla2x00_free_queues(ha);
6684 
6685 	qla2x00_unmap_iobases(ha);
6686 
6687 	pci_release_selected_regions(ha->pdev, ha->bars);
6688 	pci_disable_pcie_error_reporting(pdev);
6689 	pci_disable_device(pdev);
6690 
6691 	/*
6692 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6693 	 */
6694 }
6695 
6696 /**************************************************************************
6697 * qla2x00_do_dpc
6698 *   This kernel thread is a task that is schedule by the interrupt handler
6699 *   to perform the background processing for interrupts.
6700 *
6701 * Notes:
6702 * This task always run in the context of a kernel thread.  It
6703 * is kick-off by the driver's detect code and starts up
6704 * up one per adapter. It immediately goes to sleep and waits for
6705 * some fibre event.  When either the interrupt handler or
6706 * the timer routine detects a event it will one of the task
6707 * bits then wake us up.
6708 **************************************************************************/
6709 static int
6710 qla2x00_do_dpc(void *data)
6711 {
6712 	scsi_qla_host_t *base_vha;
6713 	struct qla_hw_data *ha;
6714 	uint32_t online;
6715 	struct qla_qpair *qpair;
6716 
6717 	ha = (struct qla_hw_data *)data;
6718 	base_vha = pci_get_drvdata(ha->pdev);
6719 
6720 	set_user_nice(current, MIN_NICE);
6721 
6722 	set_current_state(TASK_INTERRUPTIBLE);
6723 	while (!kthread_should_stop()) {
6724 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6725 		    "DPC handler sleeping.\n");
6726 
6727 		schedule();
6728 
6729 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6730 			goto end_loop;
6731 
6732 		if (ha->flags.eeh_busy) {
6733 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6734 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6735 			goto end_loop;
6736 		}
6737 
6738 		ha->dpc_active = 1;
6739 
6740 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6741 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6742 		    base_vha->dpc_flags);
6743 
6744 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6745 			break;
6746 
6747 		if (IS_P3P_TYPE(ha)) {
6748 			if (IS_QLA8044(ha)) {
6749 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6750 					&base_vha->dpc_flags)) {
6751 					qla8044_idc_lock(ha);
6752 					qla8044_wr_direct(base_vha,
6753 						QLA8044_CRB_DEV_STATE_INDEX,
6754 						QLA8XXX_DEV_FAILED);
6755 					qla8044_idc_unlock(ha);
6756 					ql_log(ql_log_info, base_vha, 0x4004,
6757 						"HW State: FAILED.\n");
6758 					qla8044_device_state_handler(base_vha);
6759 					continue;
6760 				}
6761 
6762 			} else {
6763 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6764 					&base_vha->dpc_flags)) {
6765 					qla82xx_idc_lock(ha);
6766 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6767 						QLA8XXX_DEV_FAILED);
6768 					qla82xx_idc_unlock(ha);
6769 					ql_log(ql_log_info, base_vha, 0x0151,
6770 						"HW State: FAILED.\n");
6771 					qla82xx_device_state_handler(base_vha);
6772 					continue;
6773 				}
6774 			}
6775 
6776 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6777 				&base_vha->dpc_flags)) {
6778 
6779 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6780 				    "FCoE context reset scheduled.\n");
6781 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6782 					&base_vha->dpc_flags))) {
6783 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6784 						/* FCoE-ctx reset failed.
6785 						 * Escalate to chip-reset
6786 						 */
6787 						set_bit(ISP_ABORT_NEEDED,
6788 							&base_vha->dpc_flags);
6789 					}
6790 					clear_bit(ABORT_ISP_ACTIVE,
6791 						&base_vha->dpc_flags);
6792 				}
6793 
6794 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6795 				    "FCoE context reset end.\n");
6796 			}
6797 		} else if (IS_QLAFX00(ha)) {
6798 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6799 				&base_vha->dpc_flags)) {
6800 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6801 				    "Firmware Reset Recovery\n");
6802 				if (qlafx00_reset_initialize(base_vha)) {
6803 					/* Failed. Abort isp later. */
6804 					if (!test_bit(UNLOADING,
6805 					    &base_vha->dpc_flags)) {
6806 						set_bit(ISP_UNRECOVERABLE,
6807 						    &base_vha->dpc_flags);
6808 						ql_dbg(ql_dbg_dpc, base_vha,
6809 						    0x4021,
6810 						    "Reset Recovery Failed\n");
6811 					}
6812 				}
6813 			}
6814 
6815 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6816 				&base_vha->dpc_flags)) {
6817 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6818 				    "ISPFx00 Target Scan scheduled\n");
6819 				if (qlafx00_rescan_isp(base_vha)) {
6820 					if (!test_bit(UNLOADING,
6821 					    &base_vha->dpc_flags))
6822 						set_bit(ISP_UNRECOVERABLE,
6823 						    &base_vha->dpc_flags);
6824 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6825 					    "ISPFx00 Target Scan Failed\n");
6826 				}
6827 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6828 				    "ISPFx00 Target Scan End\n");
6829 			}
6830 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6831 				&base_vha->dpc_flags)) {
6832 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6833 				    "ISPFx00 Host Info resend scheduled\n");
6834 				qlafx00_fx_disc(base_vha,
6835 				    &base_vha->hw->mr.fcport,
6836 				    FXDISC_REG_HOST_INFO);
6837 			}
6838 		}
6839 
6840 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6841 		    &base_vha->dpc_flags)) {
6842 			/* Semantic:
6843 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6844 			 *             to minimize disruptions that will occur
6845 			 *             when a forced chip-reset occurs.
6846 			 *  - Force -- ISP-ABORT scheduled.
6847 			 */
6848 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
6849 		}
6850 
6851 		if (test_and_clear_bit
6852 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
6853 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
6854 			bool do_reset = true;
6855 
6856 			switch (base_vha->qlini_mode) {
6857 			case QLA2XXX_INI_MODE_ENABLED:
6858 				break;
6859 			case QLA2XXX_INI_MODE_DISABLED:
6860 				if (!qla_tgt_mode_enabled(base_vha) &&
6861 				    !ha->flags.fw_started)
6862 					do_reset = false;
6863 				break;
6864 			case QLA2XXX_INI_MODE_DUAL:
6865 				if (!qla_dual_mode_enabled(base_vha) &&
6866 				    !ha->flags.fw_started)
6867 					do_reset = false;
6868 				break;
6869 			default:
6870 				break;
6871 			}
6872 
6873 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
6874 			    &base_vha->dpc_flags))) {
6875 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
6876 				    "ISP abort scheduled.\n");
6877 				if (ha->isp_ops->abort_isp(base_vha)) {
6878 					/* failed. retry later */
6879 					set_bit(ISP_ABORT_NEEDED,
6880 					    &base_vha->dpc_flags);
6881 				}
6882 				clear_bit(ABORT_ISP_ACTIVE,
6883 						&base_vha->dpc_flags);
6884 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
6885 				    "ISP abort end.\n");
6886 			}
6887 		}
6888 
6889 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
6890 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
6891 				qla24xx_process_purex_list
6892 					(&base_vha->purex_list);
6893 				clear_bit(PROCESS_PUREX_IOCB,
6894 				    &base_vha->dpc_flags);
6895 			}
6896 		}
6897 
6898 		if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
6899 		    &base_vha->dpc_flags)) {
6900 			qla2x00_update_fcports(base_vha);
6901 		}
6902 
6903 		if (IS_QLAFX00(ha))
6904 			goto loop_resync_check;
6905 
6906 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
6907 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
6908 			    "Quiescence mode scheduled.\n");
6909 			if (IS_P3P_TYPE(ha)) {
6910 				if (IS_QLA82XX(ha))
6911 					qla82xx_device_state_handler(base_vha);
6912 				if (IS_QLA8044(ha))
6913 					qla8044_device_state_handler(base_vha);
6914 				clear_bit(ISP_QUIESCE_NEEDED,
6915 				    &base_vha->dpc_flags);
6916 				if (!ha->flags.quiesce_owner) {
6917 					qla2x00_perform_loop_resync(base_vha);
6918 					if (IS_QLA82XX(ha)) {
6919 						qla82xx_idc_lock(ha);
6920 						qla82xx_clear_qsnt_ready(
6921 						    base_vha);
6922 						qla82xx_idc_unlock(ha);
6923 					} else if (IS_QLA8044(ha)) {
6924 						qla8044_idc_lock(ha);
6925 						qla8044_clear_qsnt_ready(
6926 						    base_vha);
6927 						qla8044_idc_unlock(ha);
6928 					}
6929 				}
6930 			} else {
6931 				clear_bit(ISP_QUIESCE_NEEDED,
6932 				    &base_vha->dpc_flags);
6933 				qla2x00_quiesce_io(base_vha);
6934 			}
6935 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
6936 			    "Quiescence mode end.\n");
6937 		}
6938 
6939 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
6940 				&base_vha->dpc_flags) &&
6941 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
6942 
6943 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
6944 			    "Reset marker scheduled.\n");
6945 			qla2x00_rst_aen(base_vha);
6946 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
6947 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
6948 			    "Reset marker end.\n");
6949 		}
6950 
6951 		/* Retry each device up to login retry count */
6952 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
6953 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
6954 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
6955 
6956 			if (!base_vha->relogin_jif ||
6957 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
6958 				base_vha->relogin_jif = jiffies + HZ;
6959 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
6960 
6961 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
6962 				    "Relogin scheduled.\n");
6963 				qla24xx_post_relogin_work(base_vha);
6964 			}
6965 		}
6966 loop_resync_check:
6967 		if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
6968 		    &base_vha->dpc_flags)) {
6969 
6970 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
6971 			    "Loop resync scheduled.\n");
6972 
6973 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
6974 			    &base_vha->dpc_flags))) {
6975 
6976 				qla2x00_loop_resync(base_vha);
6977 
6978 				clear_bit(LOOP_RESYNC_ACTIVE,
6979 						&base_vha->dpc_flags);
6980 			}
6981 
6982 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
6983 			    "Loop resync end.\n");
6984 		}
6985 
6986 		if (IS_QLAFX00(ha))
6987 			goto intr_on_check;
6988 
6989 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
6990 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
6991 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
6992 			qla2xxx_flash_npiv_conf(base_vha);
6993 		}
6994 
6995 intr_on_check:
6996 		if (!ha->interrupts_on)
6997 			ha->isp_ops->enable_intrs(ha);
6998 
6999 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7000 					&base_vha->dpc_flags)) {
7001 			if (ha->beacon_blink_led == 1)
7002 				ha->isp_ops->beacon_blink(base_vha);
7003 		}
7004 
7005 		/* qpair online check */
7006 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7007 		    &base_vha->dpc_flags)) {
7008 			if (ha->flags.eeh_busy ||
7009 			    ha->flags.pci_channel_io_perm_failure)
7010 				online = 0;
7011 			else
7012 				online = 1;
7013 
7014 			mutex_lock(&ha->mq_lock);
7015 			list_for_each_entry(qpair, &base_vha->qp_list,
7016 			    qp_list_elem)
7017 			qpair->online = online;
7018 			mutex_unlock(&ha->mq_lock);
7019 		}
7020 
7021 		if (test_and_clear_bit(SET_NVME_ZIO_THRESHOLD_NEEDED,
7022 		    &base_vha->dpc_flags)) {
7023 			ql_log(ql_log_info, base_vha, 0xffffff,
7024 				"nvme: SET ZIO Activity exchange threshold to %d.\n",
7025 						ha->nvme_last_rptd_aen);
7026 			if (qla27xx_set_zio_threshold(base_vha,
7027 			    ha->nvme_last_rptd_aen)) {
7028 				ql_log(ql_log_info, base_vha, 0xffffff,
7029 				    "nvme: Unable to SET ZIO Activity exchange threshold to %d.\n",
7030 				    ha->nvme_last_rptd_aen);
7031 			}
7032 		}
7033 
7034 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7035 		    &base_vha->dpc_flags)) {
7036 			ql_log(ql_log_info, base_vha, 0xffffff,
7037 			    "SET ZIO Activity exchange threshold to %d.\n",
7038 			    ha->last_zio_threshold);
7039 			qla27xx_set_zio_threshold(base_vha,
7040 			    ha->last_zio_threshold);
7041 		}
7042 
7043 		if (!IS_QLAFX00(ha))
7044 			qla2x00_do_dpc_all_vps(base_vha);
7045 
7046 		if (test_and_clear_bit(N2N_LINK_RESET,
7047 			&base_vha->dpc_flags)) {
7048 			qla2x00_lip_reset(base_vha);
7049 		}
7050 
7051 		ha->dpc_active = 0;
7052 end_loop:
7053 		set_current_state(TASK_INTERRUPTIBLE);
7054 	} /* End of while(1) */
7055 	__set_current_state(TASK_RUNNING);
7056 
7057 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7058 	    "DPC handler exiting.\n");
7059 
7060 	/*
7061 	 * Make sure that nobody tries to wake us up again.
7062 	 */
7063 	ha->dpc_active = 0;
7064 
7065 	/* Cleanup any residual CTX SRBs. */
7066 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7067 
7068 	return 0;
7069 }
7070 
7071 void
7072 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7073 {
7074 	struct qla_hw_data *ha = vha->hw;
7075 	struct task_struct *t = ha->dpc_thread;
7076 
7077 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7078 		wake_up_process(t);
7079 }
7080 
7081 /*
7082 *  qla2x00_rst_aen
7083 *      Processes asynchronous reset.
7084 *
7085 * Input:
7086 *      ha  = adapter block pointer.
7087 */
7088 static void
7089 qla2x00_rst_aen(scsi_qla_host_t *vha)
7090 {
7091 	if (vha->flags.online && !vha->flags.reset_active &&
7092 	    !atomic_read(&vha->loop_down_timer) &&
7093 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7094 		do {
7095 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7096 
7097 			/*
7098 			 * Issue marker command only when we are going to start
7099 			 * the I/O.
7100 			 */
7101 			vha->marker_needed = 1;
7102 		} while (!atomic_read(&vha->loop_down_timer) &&
7103 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7104 	}
7105 }
7106 
7107 /**************************************************************************
7108 *   qla2x00_timer
7109 *
7110 * Description:
7111 *   One second timer
7112 *
7113 * Context: Interrupt
7114 ***************************************************************************/
7115 void
7116 qla2x00_timer(struct timer_list *t)
7117 {
7118 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7119 	unsigned long	cpu_flags = 0;
7120 	int		start_dpc = 0;
7121 	int		index;
7122 	srb_t		*sp;
7123 	uint16_t        w;
7124 	struct qla_hw_data *ha = vha->hw;
7125 	struct req_que *req;
7126 
7127 	if (ha->flags.eeh_busy) {
7128 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7129 		    "EEH = %d, restarting timer.\n",
7130 		    ha->flags.eeh_busy);
7131 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7132 		return;
7133 	}
7134 
7135 	/*
7136 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7137 	 * the read returns -1 then disable the board.
7138 	 */
7139 	if (!pci_channel_offline(ha->pdev)) {
7140 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7141 		qla2x00_check_reg16_for_disconnect(vha, w);
7142 	}
7143 
7144 	/* Make sure qla82xx_watchdog is run only for physical port */
7145 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7146 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7147 			start_dpc++;
7148 		if (IS_QLA82XX(ha))
7149 			qla82xx_watchdog(vha);
7150 		else if (IS_QLA8044(ha))
7151 			qla8044_watchdog(vha);
7152 	}
7153 
7154 	if (!vha->vp_idx && IS_QLAFX00(ha))
7155 		qlafx00_timer_routine(vha);
7156 
7157 	/* Loop down handler. */
7158 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7159 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7160 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7161 		&& vha->flags.online) {
7162 
7163 		if (atomic_read(&vha->loop_down_timer) ==
7164 		    vha->loop_down_abort_time) {
7165 
7166 			ql_log(ql_log_info, vha, 0x6008,
7167 			    "Loop down - aborting the queues before time expires.\n");
7168 
7169 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7170 				atomic_set(&vha->loop_state, LOOP_DEAD);
7171 
7172 			/*
7173 			 * Schedule an ISP abort to return any FCP2-device
7174 			 * commands.
7175 			 */
7176 			/* NPIV - scan physical port only */
7177 			if (!vha->vp_idx) {
7178 				spin_lock_irqsave(&ha->hardware_lock,
7179 				    cpu_flags);
7180 				req = ha->req_q_map[0];
7181 				for (index = 1;
7182 				    index < req->num_outstanding_cmds;
7183 				    index++) {
7184 					fc_port_t *sfcp;
7185 
7186 					sp = req->outstanding_cmds[index];
7187 					if (!sp)
7188 						continue;
7189 					if (sp->cmd_type != TYPE_SRB)
7190 						continue;
7191 					if (sp->type != SRB_SCSI_CMD)
7192 						continue;
7193 					sfcp = sp->fcport;
7194 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7195 						continue;
7196 
7197 					if (IS_QLA82XX(ha))
7198 						set_bit(FCOE_CTX_RESET_NEEDED,
7199 							&vha->dpc_flags);
7200 					else
7201 						set_bit(ISP_ABORT_NEEDED,
7202 							&vha->dpc_flags);
7203 					break;
7204 				}
7205 				spin_unlock_irqrestore(&ha->hardware_lock,
7206 								cpu_flags);
7207 			}
7208 			start_dpc++;
7209 		}
7210 
7211 		/* if the loop has been down for 4 minutes, reinit adapter */
7212 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7213 			if (!(vha->device_flags & DFLG_NO_CABLE)) {
7214 				ql_log(ql_log_warn, vha, 0x6009,
7215 				    "Loop down - aborting ISP.\n");
7216 
7217 				if (IS_QLA82XX(ha))
7218 					set_bit(FCOE_CTX_RESET_NEEDED,
7219 						&vha->dpc_flags);
7220 				else
7221 					set_bit(ISP_ABORT_NEEDED,
7222 						&vha->dpc_flags);
7223 			}
7224 		}
7225 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7226 		    "Loop down - seconds remaining %d.\n",
7227 		    atomic_read(&vha->loop_down_timer));
7228 	}
7229 	/* Check if beacon LED needs to be blinked for physical host only */
7230 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7231 		/* There is no beacon_blink function for ISP82xx */
7232 		if (!IS_P3P_TYPE(ha)) {
7233 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7234 			start_dpc++;
7235 		}
7236 	}
7237 
7238 	/* Process any deferred work. */
7239 	if (!list_empty(&vha->work_list)) {
7240 		unsigned long flags;
7241 		bool q = false;
7242 
7243 		spin_lock_irqsave(&vha->work_lock, flags);
7244 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7245 			q = true;
7246 		spin_unlock_irqrestore(&vha->work_lock, flags);
7247 		if (q)
7248 			queue_work(vha->hw->wq, &vha->iocb_work);
7249 	}
7250 
7251 	/*
7252 	 * FC-NVME
7253 	 * see if the active AEN count has changed from what was last reported.
7254 	 */
7255 	if (!vha->vp_idx &&
7256 	    (atomic_read(&ha->nvme_active_aen_cnt) != ha->nvme_last_rptd_aen) &&
7257 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7258 	    !ha->flags.host_shutting_down) {
7259 		ql_log(ql_log_info, vha, 0x3002,
7260 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7261 		    ha->nvme_last_rptd_aen);
7262 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7263 		set_bit(SET_NVME_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7264 		start_dpc++;
7265 	}
7266 
7267 	if (!vha->vp_idx &&
7268 	    (atomic_read(&ha->zio_threshold) != ha->last_zio_threshold) &&
7269 	    (ha->zio_mode == QLA_ZIO_MODE_6) &&
7270 	    (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))) {
7271 		ql_log(ql_log_info, vha, 0x3002,
7272 		    "Sched: Set ZIO exchange threshold to %d.\n",
7273 		    ha->last_zio_threshold);
7274 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7275 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7276 		start_dpc++;
7277 	}
7278 
7279 	/* Schedule the DPC routine if needed */
7280 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7281 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7282 	    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
7283 	    start_dpc ||
7284 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7285 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7286 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7287 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7288 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7289 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7290 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7291 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7292 		    "isp_abort_needed=%d loop_resync_needed=%d "
7293 		    "fcport_update_needed=%d start_dpc=%d "
7294 		    "reset_marker_needed=%d",
7295 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7296 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7297 		    test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
7298 		    start_dpc,
7299 		    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7300 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7301 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7302 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7303 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7304 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7305 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7306 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7307 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7308 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7309 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7310 		qla2xxx_wake_dpc(vha);
7311 	}
7312 
7313 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7314 }
7315 
7316 /* Firmware interface routines. */
7317 
7318 #define FW_ISP21XX	0
7319 #define FW_ISP22XX	1
7320 #define FW_ISP2300	2
7321 #define FW_ISP2322	3
7322 #define FW_ISP24XX	4
7323 #define FW_ISP25XX	5
7324 #define FW_ISP81XX	6
7325 #define FW_ISP82XX	7
7326 #define FW_ISP2031	8
7327 #define FW_ISP8031	9
7328 #define FW_ISP27XX	10
7329 #define FW_ISP28XX	11
7330 
7331 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7332 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7333 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7334 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7335 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7336 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7337 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7338 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7339 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7340 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7341 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7342 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7343 
7344 
7345 static DEFINE_MUTEX(qla_fw_lock);
7346 
7347 static struct fw_blob qla_fw_blobs[] = {
7348 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7349 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7350 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7351 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7352 	{ .name = FW_FILE_ISP24XX, },
7353 	{ .name = FW_FILE_ISP25XX, },
7354 	{ .name = FW_FILE_ISP81XX, },
7355 	{ .name = FW_FILE_ISP82XX, },
7356 	{ .name = FW_FILE_ISP2031, },
7357 	{ .name = FW_FILE_ISP8031, },
7358 	{ .name = FW_FILE_ISP27XX, },
7359 	{ .name = FW_FILE_ISP28XX, },
7360 	{ .name = NULL, },
7361 };
7362 
7363 struct fw_blob *
7364 qla2x00_request_firmware(scsi_qla_host_t *vha)
7365 {
7366 	struct qla_hw_data *ha = vha->hw;
7367 	struct fw_blob *blob;
7368 
7369 	if (IS_QLA2100(ha)) {
7370 		blob = &qla_fw_blobs[FW_ISP21XX];
7371 	} else if (IS_QLA2200(ha)) {
7372 		blob = &qla_fw_blobs[FW_ISP22XX];
7373 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7374 		blob = &qla_fw_blobs[FW_ISP2300];
7375 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7376 		blob = &qla_fw_blobs[FW_ISP2322];
7377 	} else if (IS_QLA24XX_TYPE(ha)) {
7378 		blob = &qla_fw_blobs[FW_ISP24XX];
7379 	} else if (IS_QLA25XX(ha)) {
7380 		blob = &qla_fw_blobs[FW_ISP25XX];
7381 	} else if (IS_QLA81XX(ha)) {
7382 		blob = &qla_fw_blobs[FW_ISP81XX];
7383 	} else if (IS_QLA82XX(ha)) {
7384 		blob = &qla_fw_blobs[FW_ISP82XX];
7385 	} else if (IS_QLA2031(ha)) {
7386 		blob = &qla_fw_blobs[FW_ISP2031];
7387 	} else if (IS_QLA8031(ha)) {
7388 		blob = &qla_fw_blobs[FW_ISP8031];
7389 	} else if (IS_QLA27XX(ha)) {
7390 		blob = &qla_fw_blobs[FW_ISP27XX];
7391 	} else if (IS_QLA28XX(ha)) {
7392 		blob = &qla_fw_blobs[FW_ISP28XX];
7393 	} else {
7394 		return NULL;
7395 	}
7396 
7397 	if (!blob->name)
7398 		return NULL;
7399 
7400 	mutex_lock(&qla_fw_lock);
7401 	if (blob->fw)
7402 		goto out;
7403 
7404 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7405 		ql_log(ql_log_warn, vha, 0x0063,
7406 		    "Failed to load firmware image (%s).\n", blob->name);
7407 		blob->fw = NULL;
7408 		blob = NULL;
7409 	}
7410 
7411 out:
7412 	mutex_unlock(&qla_fw_lock);
7413 	return blob;
7414 }
7415 
7416 static void
7417 qla2x00_release_firmware(void)
7418 {
7419 	struct fw_blob *blob;
7420 
7421 	mutex_lock(&qla_fw_lock);
7422 	for (blob = qla_fw_blobs; blob->name; blob++)
7423 		release_firmware(blob->fw);
7424 	mutex_unlock(&qla_fw_lock);
7425 }
7426 
7427 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7428 {
7429 	struct qla_hw_data *ha = vha->hw;
7430 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7431 	struct qla_qpair *qpair = NULL;
7432 	struct scsi_qla_host *vp;
7433 	fc_port_t *fcport;
7434 	int i;
7435 	unsigned long flags;
7436 
7437 	ha->chip_reset++;
7438 
7439 	ha->base_qpair->chip_reset = ha->chip_reset;
7440 	for (i = 0; i < ha->max_qpairs; i++) {
7441 		if (ha->queue_pair_map[i])
7442 			ha->queue_pair_map[i]->chip_reset =
7443 			    ha->base_qpair->chip_reset;
7444 	}
7445 
7446 	/* purge MBox commands */
7447 	if (atomic_read(&ha->num_pend_mbx_stage3)) {
7448 		clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
7449 		complete(&ha->mbx_intr_comp);
7450 	}
7451 
7452 	i = 0;
7453 
7454 	while (atomic_read(&ha->num_pend_mbx_stage3) ||
7455 	    atomic_read(&ha->num_pend_mbx_stage2) ||
7456 	    atomic_read(&ha->num_pend_mbx_stage1)) {
7457 		msleep(20);
7458 		i++;
7459 		if (i > 50)
7460 			break;
7461 	}
7462 
7463 	ha->flags.purge_mbox = 0;
7464 
7465 	mutex_lock(&ha->mq_lock);
7466 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7467 		qpair->online = 0;
7468 	mutex_unlock(&ha->mq_lock);
7469 
7470 	qla2x00_mark_all_devices_lost(vha);
7471 
7472 	spin_lock_irqsave(&ha->vport_slock, flags);
7473 	list_for_each_entry(vp, &ha->vp_list, list) {
7474 		atomic_inc(&vp->vref_count);
7475 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7476 		qla2x00_mark_all_devices_lost(vp);
7477 		spin_lock_irqsave(&ha->vport_slock, flags);
7478 		atomic_dec(&vp->vref_count);
7479 	}
7480 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7481 
7482 	/* Clear all async request states across all VPs. */
7483 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7484 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7485 
7486 	spin_lock_irqsave(&ha->vport_slock, flags);
7487 	list_for_each_entry(vp, &ha->vp_list, list) {
7488 		atomic_inc(&vp->vref_count);
7489 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7490 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7491 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7492 		spin_lock_irqsave(&ha->vport_slock, flags);
7493 		atomic_dec(&vp->vref_count);
7494 	}
7495 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7496 }
7497 
7498 
7499 static pci_ers_result_t
7500 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7501 {
7502 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7503 	struct qla_hw_data *ha = vha->hw;
7504 
7505 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7506 	    "PCI error detected, state %x.\n", state);
7507 
7508 	if (!atomic_read(&pdev->enable_cnt)) {
7509 		ql_log(ql_log_info, vha, 0xffff,
7510 			"PCI device is disabled,state %x\n", state);
7511 		return PCI_ERS_RESULT_NEED_RESET;
7512 	}
7513 
7514 	switch (state) {
7515 	case pci_channel_io_normal:
7516 		ha->flags.eeh_busy = 0;
7517 		if (ql2xmqsupport || ql2xnvmeenable) {
7518 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7519 			qla2xxx_wake_dpc(vha);
7520 		}
7521 		return PCI_ERS_RESULT_CAN_RECOVER;
7522 	case pci_channel_io_frozen:
7523 		ha->flags.eeh_busy = 1;
7524 		qla_pci_error_cleanup(vha);
7525 		return PCI_ERS_RESULT_NEED_RESET;
7526 	case pci_channel_io_perm_failure:
7527 		ha->flags.pci_channel_io_perm_failure = 1;
7528 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7529 		if (ql2xmqsupport || ql2xnvmeenable) {
7530 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7531 			qla2xxx_wake_dpc(vha);
7532 		}
7533 		return PCI_ERS_RESULT_DISCONNECT;
7534 	}
7535 	return PCI_ERS_RESULT_NEED_RESET;
7536 }
7537 
7538 static pci_ers_result_t
7539 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7540 {
7541 	int risc_paused = 0;
7542 	uint32_t stat;
7543 	unsigned long flags;
7544 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7545 	struct qla_hw_data *ha = base_vha->hw;
7546 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7547 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7548 
7549 	if (IS_QLA82XX(ha))
7550 		return PCI_ERS_RESULT_RECOVERED;
7551 
7552 	spin_lock_irqsave(&ha->hardware_lock, flags);
7553 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7554 		stat = RD_REG_DWORD(&reg->hccr);
7555 		if (stat & HCCR_RISC_PAUSE)
7556 			risc_paused = 1;
7557 	} else if (IS_QLA23XX(ha)) {
7558 		stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
7559 		if (stat & HSR_RISC_PAUSED)
7560 			risc_paused = 1;
7561 	} else if (IS_FWI2_CAPABLE(ha)) {
7562 		stat = RD_REG_DWORD(&reg24->host_status);
7563 		if (stat & HSRX_RISC_PAUSED)
7564 			risc_paused = 1;
7565 	}
7566 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7567 
7568 	if (risc_paused) {
7569 		ql_log(ql_log_info, base_vha, 0x9003,
7570 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7571 		ha->isp_ops->fw_dump(base_vha, 0);
7572 
7573 		return PCI_ERS_RESULT_NEED_RESET;
7574 	} else
7575 		return PCI_ERS_RESULT_RECOVERED;
7576 }
7577 
7578 static pci_ers_result_t
7579 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7580 {
7581 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7582 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7583 	struct qla_hw_data *ha = base_vha->hw;
7584 	int rc;
7585 	struct qla_qpair *qpair = NULL;
7586 
7587 	ql_dbg(ql_dbg_aer, base_vha, 0x9004,
7588 	    "Slot Reset.\n");
7589 
7590 	/* Workaround: qla2xxx driver which access hardware earlier
7591 	 * needs error state to be pci_channel_io_online.
7592 	 * Otherwise mailbox command timesout.
7593 	 */
7594 	pdev->error_state = pci_channel_io_normal;
7595 
7596 	pci_restore_state(pdev);
7597 
7598 	/* pci_restore_state() clears the saved_state flag of the device
7599 	 * save restored state which resets saved_state flag
7600 	 */
7601 	pci_save_state(pdev);
7602 
7603 	if (ha->mem_only)
7604 		rc = pci_enable_device_mem(pdev);
7605 	else
7606 		rc = pci_enable_device(pdev);
7607 
7608 	if (rc) {
7609 		ql_log(ql_log_warn, base_vha, 0x9005,
7610 		    "Can't re-enable PCI device after reset.\n");
7611 		goto exit_slot_reset;
7612 	}
7613 
7614 
7615 	if (ha->isp_ops->pci_config(base_vha))
7616 		goto exit_slot_reset;
7617 
7618 	mutex_lock(&ha->mq_lock);
7619 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7620 		qpair->online = 1;
7621 	mutex_unlock(&ha->mq_lock);
7622 
7623 	base_vha->flags.online = 1;
7624 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7625 	if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
7626 		ret =  PCI_ERS_RESULT_RECOVERED;
7627 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7628 
7629 
7630 exit_slot_reset:
7631 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7632 	    "slot_reset return %x.\n", ret);
7633 
7634 	return ret;
7635 }
7636 
7637 static void
7638 qla2xxx_pci_resume(struct pci_dev *pdev)
7639 {
7640 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7641 	struct qla_hw_data *ha = base_vha->hw;
7642 	int ret;
7643 
7644 	ql_dbg(ql_dbg_aer, base_vha, 0x900f,
7645 	    "pci_resume.\n");
7646 
7647 	ha->flags.eeh_busy = 0;
7648 
7649 	ret = qla2x00_wait_for_hba_online(base_vha);
7650 	if (ret != QLA_SUCCESS) {
7651 		ql_log(ql_log_fatal, base_vha, 0x9002,
7652 		    "The device failed to resume I/O from slot/link_reset.\n");
7653 	}
7654 }
7655 
7656 static void
7657 qla_pci_reset_prepare(struct pci_dev *pdev)
7658 {
7659 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7660 	struct qla_hw_data *ha = base_vha->hw;
7661 	struct qla_qpair *qpair;
7662 
7663 	ql_log(ql_log_warn, base_vha, 0xffff,
7664 	    "%s.\n", __func__);
7665 
7666 	/*
7667 	 * PCI FLR/function reset is about to reset the
7668 	 * slot. Stop the chip to stop all DMA access.
7669 	 * It is assumed that pci_reset_done will be called
7670 	 * after FLR to resume Chip operation.
7671 	 */
7672 	ha->flags.eeh_busy = 1;
7673 	mutex_lock(&ha->mq_lock);
7674 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7675 		qpair->online = 0;
7676 	mutex_unlock(&ha->mq_lock);
7677 
7678 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7679 	qla2x00_abort_isp_cleanup(base_vha);
7680 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
7681 }
7682 
7683 static void
7684 qla_pci_reset_done(struct pci_dev *pdev)
7685 {
7686 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7687 	struct qla_hw_data *ha = base_vha->hw;
7688 	struct qla_qpair *qpair;
7689 
7690 	ql_log(ql_log_warn, base_vha, 0xffff,
7691 	    "%s.\n", __func__);
7692 
7693 	/*
7694 	 * FLR just completed by PCI layer. Resume adapter
7695 	 */
7696 	ha->flags.eeh_busy = 0;
7697 	mutex_lock(&ha->mq_lock);
7698 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7699 		qpair->online = 1;
7700 	mutex_unlock(&ha->mq_lock);
7701 
7702 	base_vha->flags.online = 1;
7703 	ha->isp_ops->abort_isp(base_vha);
7704 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7705 }
7706 
7707 static int qla2xxx_map_queues(struct Scsi_Host *shost)
7708 {
7709 	int rc;
7710 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
7711 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
7712 
7713 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
7714 		rc = blk_mq_map_queues(qmap);
7715 	else
7716 		rc = blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
7717 	return rc;
7718 }
7719 
7720 struct scsi_host_template qla2xxx_driver_template = {
7721 	.module			= THIS_MODULE,
7722 	.name			= QLA2XXX_DRIVER_NAME,
7723 	.queuecommand		= qla2xxx_queuecommand,
7724 
7725 	.eh_timed_out		= fc_eh_timed_out,
7726 	.eh_abort_handler	= qla2xxx_eh_abort,
7727 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
7728 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
7729 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
7730 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
7731 
7732 	.slave_configure	= qla2xxx_slave_configure,
7733 
7734 	.slave_alloc		= qla2xxx_slave_alloc,
7735 	.slave_destroy		= qla2xxx_slave_destroy,
7736 	.scan_finished		= qla2xxx_scan_finished,
7737 	.scan_start		= qla2xxx_scan_start,
7738 	.change_queue_depth	= scsi_change_queue_depth,
7739 	.map_queues             = qla2xxx_map_queues,
7740 	.this_id		= -1,
7741 	.cmd_per_lun		= 3,
7742 	.sg_tablesize		= SG_ALL,
7743 
7744 	.max_sectors		= 0xFFFF,
7745 	.shost_attrs		= qla2x00_host_attrs,
7746 
7747 	.supported_mode		= MODE_INITIATOR,
7748 	.track_queue_depth	= 1,
7749 	.cmd_size		= sizeof(srb_t),
7750 };
7751 
7752 static const struct pci_error_handlers qla2xxx_err_handler = {
7753 	.error_detected = qla2xxx_pci_error_detected,
7754 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
7755 	.slot_reset = qla2xxx_pci_slot_reset,
7756 	.resume = qla2xxx_pci_resume,
7757 	.reset_prepare = qla_pci_reset_prepare,
7758 	.reset_done = qla_pci_reset_done,
7759 };
7760 
7761 static struct pci_device_id qla2xxx_pci_tbl[] = {
7762 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
7763 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
7764 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
7765 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
7766 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
7767 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
7768 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
7769 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
7770 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
7771 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
7772 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
7773 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
7774 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
7775 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
7776 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
7777 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
7778 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
7779 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
7780 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
7781 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
7782 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
7783 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
7784 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
7785 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
7786 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
7787 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
7788 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
7789 	{ 0 },
7790 };
7791 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
7792 
7793 static struct pci_driver qla2xxx_pci_driver = {
7794 	.name		= QLA2XXX_DRIVER_NAME,
7795 	.driver		= {
7796 		.owner		= THIS_MODULE,
7797 	},
7798 	.id_table	= qla2xxx_pci_tbl,
7799 	.probe		= qla2x00_probe_one,
7800 	.remove		= qla2x00_remove_one,
7801 	.shutdown	= qla2x00_shutdown,
7802 	.err_handler	= &qla2xxx_err_handler,
7803 };
7804 
7805 static const struct file_operations apidev_fops = {
7806 	.owner = THIS_MODULE,
7807 	.llseek = noop_llseek,
7808 };
7809 
7810 /**
7811  * qla2x00_module_init - Module initialization.
7812  **/
7813 static int __init
7814 qla2x00_module_init(void)
7815 {
7816 	int ret = 0;
7817 
7818 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
7819 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
7820 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
7821 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
7822 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
7823 	BUILD_BUG_ON(sizeof(request_t) != 64);
7824 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
7825 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
7826 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
7827 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
7828 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
7829 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
7830 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
7831 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
7832 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
7833 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
7834 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
7835 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
7836 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
7837 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
7838 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
7839 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
7840 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
7841 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
7842 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
7843 
7844 	/* Allocate cache for SRBs. */
7845 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
7846 	    SLAB_HWCACHE_ALIGN, NULL);
7847 	if (srb_cachep == NULL) {
7848 		ql_log(ql_log_fatal, NULL, 0x0001,
7849 		    "Unable to allocate SRB cache...Failing load!.\n");
7850 		return -ENOMEM;
7851 	}
7852 
7853 	/* Initialize target kmem_cache and mem_pools */
7854 	ret = qlt_init();
7855 	if (ret < 0) {
7856 		goto destroy_cache;
7857 	} else if (ret > 0) {
7858 		/*
7859 		 * If initiator mode is explictly disabled by qlt_init(),
7860 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
7861 		 * performing scsi_scan_target() during LOOP UP event.
7862 		 */
7863 		qla2xxx_transport_functions.disable_target_scan = 1;
7864 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
7865 	}
7866 
7867 	/* Derive version string. */
7868 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
7869 	if (ql2xextended_error_logging)
7870 		strcat(qla2x00_version_str, "-debug");
7871 	if (ql2xextended_error_logging == 1)
7872 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
7873 
7874 	if (ql2x_ini_mode == QLA2XXX_INI_MODE_DUAL)
7875 		qla_insert_tgt_attrs();
7876 
7877 	qla2xxx_transport_template =
7878 	    fc_attach_transport(&qla2xxx_transport_functions);
7879 	if (!qla2xxx_transport_template) {
7880 		ql_log(ql_log_fatal, NULL, 0x0002,
7881 		    "fc_attach_transport failed...Failing load!.\n");
7882 		ret = -ENODEV;
7883 		goto qlt_exit;
7884 	}
7885 
7886 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
7887 	if (apidev_major < 0) {
7888 		ql_log(ql_log_fatal, NULL, 0x0003,
7889 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
7890 	}
7891 
7892 	qla2xxx_transport_vport_template =
7893 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
7894 	if (!qla2xxx_transport_vport_template) {
7895 		ql_log(ql_log_fatal, NULL, 0x0004,
7896 		    "fc_attach_transport vport failed...Failing load!.\n");
7897 		ret = -ENODEV;
7898 		goto unreg_chrdev;
7899 	}
7900 	ql_log(ql_log_info, NULL, 0x0005,
7901 	    "QLogic Fibre Channel HBA Driver: %s.\n",
7902 	    qla2x00_version_str);
7903 	ret = pci_register_driver(&qla2xxx_pci_driver);
7904 	if (ret) {
7905 		ql_log(ql_log_fatal, NULL, 0x0006,
7906 		    "pci_register_driver failed...ret=%d Failing load!.\n",
7907 		    ret);
7908 		goto release_vport_transport;
7909 	}
7910 	return ret;
7911 
7912 release_vport_transport:
7913 	fc_release_transport(qla2xxx_transport_vport_template);
7914 
7915 unreg_chrdev:
7916 	if (apidev_major >= 0)
7917 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7918 	fc_release_transport(qla2xxx_transport_template);
7919 
7920 qlt_exit:
7921 	qlt_exit();
7922 
7923 destroy_cache:
7924 	kmem_cache_destroy(srb_cachep);
7925 	return ret;
7926 }
7927 
7928 /**
7929  * qla2x00_module_exit - Module cleanup.
7930  **/
7931 static void __exit
7932 qla2x00_module_exit(void)
7933 {
7934 	pci_unregister_driver(&qla2xxx_pci_driver);
7935 	qla2x00_release_firmware();
7936 	kmem_cache_destroy(ctx_cachep);
7937 	fc_release_transport(qla2xxx_transport_vport_template);
7938 	if (apidev_major >= 0)
7939 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
7940 	fc_release_transport(qla2xxx_transport_template);
7941 	qlt_exit();
7942 	kmem_cache_destroy(srb_cachep);
7943 }
7944 
7945 module_init(qla2x00_module_init);
7946 module_exit(qla2x00_module_exit);
7947 
7948 MODULE_AUTHOR("QLogic Corporation");
7949 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
7950 MODULE_LICENSE("GPL");
7951 MODULE_VERSION(QLA2XXX_VERSION);
7952 MODULE_FIRMWARE(FW_FILE_ISP21XX);
7953 MODULE_FIRMWARE(FW_FILE_ISP22XX);
7954 MODULE_FIRMWARE(FW_FILE_ISP2300);
7955 MODULE_FIRMWARE(FW_FILE_ISP2322);
7956 MODULE_FIRMWARE(FW_FILE_ISP24XX);
7957 MODULE_FIRMWARE(FW_FILE_ISP25XX);
7958