xref: /openbmc/linux/drivers/scsi/qla2xxx/qla_os.c (revision 13a9d0be)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * QLogic Fibre Channel HBA Driver
4  * Copyright (c)  2003-2014 QLogic Corporation
5  */
6 #include "qla_def.h"
7 
8 #include <linux/moduleparam.h>
9 #include <linux/vmalloc.h>
10 #include <linux/delay.h>
11 #include <linux/kthread.h>
12 #include <linux/mutex.h>
13 #include <linux/kobject.h>
14 #include <linux/slab.h>
15 #include <linux/blk-mq-pci.h>
16 #include <linux/refcount.h>
17 #include <linux/crash_dump.h>
18 #include <linux/trace_events.h>
19 #include <linux/trace.h>
20 
21 #include <scsi/scsi_tcq.h>
22 #include <scsi/scsicam.h>
23 #include <scsi/scsi_transport.h>
24 #include <scsi/scsi_transport_fc.h>
25 
26 #include "qla_target.h"
27 
28 /*
29  * Driver version
30  */
31 char qla2x00_version_str[40];
32 
33 static int apidev_major;
34 
35 /*
36  * SRB allocation cache
37  */
38 struct kmem_cache *srb_cachep;
39 
40 static struct trace_array *qla_trc_array;
41 
42 int ql2xfulldump_on_mpifail;
43 module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
44 MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
45 		 "Set this to take full dump on MPI hang.");
46 
47 int ql2xenforce_iocb_limit = 1;
48 module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
49 MODULE_PARM_DESC(ql2xenforce_iocb_limit,
50 		 "Enforce IOCB throttling, to avoid FW congestion. (default: 1)");
51 
52 /*
53  * CT6 CTX allocation cache
54  */
55 static struct kmem_cache *ctx_cachep;
56 /*
57  * error level for logging
58  */
59 uint ql_errlev = 0x8001;
60 
61 int ql2xsecenable;
62 module_param(ql2xsecenable, int, S_IRUGO);
63 MODULE_PARM_DESC(ql2xsecenable,
64 	"Enable/disable security. 0(Default) - Security disabled. 1 - Security enabled.");
65 
66 static int ql2xenableclass2;
67 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
68 MODULE_PARM_DESC(ql2xenableclass2,
69 		"Specify if Class 2 operations are supported from the very "
70 		"beginning. Default is 0 - class 2 not supported.");
71 
72 
73 int ql2xlogintimeout = 20;
74 module_param(ql2xlogintimeout, int, S_IRUGO);
75 MODULE_PARM_DESC(ql2xlogintimeout,
76 		"Login timeout value in seconds.");
77 
78 int qlport_down_retry;
79 module_param(qlport_down_retry, int, S_IRUGO);
80 MODULE_PARM_DESC(qlport_down_retry,
81 		"Maximum number of command retries to a port that returns "
82 		"a PORT-DOWN status.");
83 
84 int ql2xplogiabsentdevice;
85 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
86 MODULE_PARM_DESC(ql2xplogiabsentdevice,
87 		"Option to enable PLOGI to devices that are not present after "
88 		"a Fabric scan.  This is needed for several broken switches. "
89 		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
90 
91 int ql2xloginretrycount;
92 module_param(ql2xloginretrycount, int, S_IRUGO);
93 MODULE_PARM_DESC(ql2xloginretrycount,
94 		"Specify an alternate value for the NVRAM login retry count.");
95 
96 int ql2xallocfwdump = 1;
97 module_param(ql2xallocfwdump, int, S_IRUGO);
98 MODULE_PARM_DESC(ql2xallocfwdump,
99 		"Option to enable allocation of memory for a firmware dump "
100 		"during HBA initialization.  Memory allocation requirements "
101 		"vary by ISP type.  Default is 1 - allocate memory.");
102 
103 int ql2xextended_error_logging;
104 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
105 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
106 MODULE_PARM_DESC(ql2xextended_error_logging,
107 		"Option to enable extended error logging,\n"
108 		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
109 		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
110 		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
111 		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
112 		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
113 		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
114 		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
115 		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
116 		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
117 		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
118 		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
119 		"\t\t0x1e400000 - Preferred value for capturing essential "
120 		"debug information (equivalent to old "
121 		"ql2xextended_error_logging=1).\n"
122 		"\t\tDo LOGICAL OR of the value to enable more than one level");
123 
124 int ql2xextended_error_logging_ktrace = 1;
125 module_param(ql2xextended_error_logging_ktrace, int, S_IRUGO|S_IWUSR);
126 MODULE_PARM_DESC(ql2xextended_error_logging_ktrace,
127 		"Same BIT definition as ql2xextended_error_logging, but used to control logging to kernel trace buffer (default=1).\n");
128 
129 int ql2xshiftctondsd = 6;
130 module_param(ql2xshiftctondsd, int, S_IRUGO);
131 MODULE_PARM_DESC(ql2xshiftctondsd,
132 		"Set to control shifting of command type processing "
133 		"based on total number of SG elements.");
134 
135 int ql2xfdmienable = 1;
136 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
137 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
138 MODULE_PARM_DESC(ql2xfdmienable,
139 		"Enables FDMI registrations. "
140 		"0 - no FDMI registrations. "
141 		"1 - provide FDMI registrations (default).");
142 
143 #define MAX_Q_DEPTH	64
144 static int ql2xmaxqdepth = MAX_Q_DEPTH;
145 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
146 MODULE_PARM_DESC(ql2xmaxqdepth,
147 		"Maximum queue depth to set for each LUN. "
148 		"Default is 64.");
149 
150 int ql2xenabledif = 2;
151 module_param(ql2xenabledif, int, S_IRUGO);
152 MODULE_PARM_DESC(ql2xenabledif,
153 		" Enable T10-CRC-DIF:\n"
154 		" Default is 2.\n"
155 		"  0 -- No DIF Support\n"
156 		"  1 -- Enable DIF for all types\n"
157 		"  2 -- Enable DIF for all types, except Type 0.\n");
158 
159 #if (IS_ENABLED(CONFIG_NVME_FC))
160 int ql2xnvmeenable = 1;
161 #else
162 int ql2xnvmeenable;
163 #endif
164 module_param(ql2xnvmeenable, int, 0644);
165 MODULE_PARM_DESC(ql2xnvmeenable,
166     "Enables NVME support. "
167     "0 - no NVMe.  Default is Y");
168 
169 int ql2xenablehba_err_chk = 2;
170 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
171 MODULE_PARM_DESC(ql2xenablehba_err_chk,
172 		" Enable T10-CRC-DIF Error isolation by HBA:\n"
173 		" Default is 2.\n"
174 		"  0 -- Error isolation disabled\n"
175 		"  1 -- Error isolation enabled only for DIX Type 0\n"
176 		"  2 -- Error isolation enabled for all Types\n");
177 
178 int ql2xiidmaenable = 1;
179 module_param(ql2xiidmaenable, int, S_IRUGO);
180 MODULE_PARM_DESC(ql2xiidmaenable,
181 		"Enables iIDMA settings "
182 		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
183 
184 int ql2xmqsupport = 1;
185 module_param(ql2xmqsupport, int, S_IRUGO);
186 MODULE_PARM_DESC(ql2xmqsupport,
187 		"Enable on demand multiple queue pairs support "
188 		"Default is 1 for supported. "
189 		"Set it to 0 to turn off mq qpair support.");
190 
191 int ql2xfwloadbin;
192 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
193 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
194 MODULE_PARM_DESC(ql2xfwloadbin,
195 		"Option to specify location from which to load ISP firmware:.\n"
196 		" 2 -- load firmware via the request_firmware() (hotplug).\n"
197 		"      interface.\n"
198 		" 1 -- load firmware from flash.\n"
199 		" 0 -- use default semantics.\n");
200 
201 int ql2xetsenable;
202 module_param(ql2xetsenable, int, S_IRUGO);
203 MODULE_PARM_DESC(ql2xetsenable,
204 		"Enables firmware ETS burst."
205 		"Default is 0 - skip ETS enablement.");
206 
207 int ql2xdbwr = 1;
208 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
209 MODULE_PARM_DESC(ql2xdbwr,
210 		"Option to specify scheme for request queue posting.\n"
211 		" 0 -- Regular doorbell.\n"
212 		" 1 -- CAMRAM doorbell (faster).\n");
213 
214 int ql2xgffidenable;
215 module_param(ql2xgffidenable, int, S_IRUGO);
216 MODULE_PARM_DESC(ql2xgffidenable,
217 		"Enables GFF_ID checks of port type. "
218 		"Default is 0 - Do not use GFF_ID information.");
219 
220 int ql2xasynctmfenable = 1;
221 module_param(ql2xasynctmfenable, int, S_IRUGO);
222 MODULE_PARM_DESC(ql2xasynctmfenable,
223 		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
224 		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
225 
226 int ql2xdontresethba;
227 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
228 MODULE_PARM_DESC(ql2xdontresethba,
229 		"Option to specify reset behaviour.\n"
230 		" 0 (Default) -- Reset on failure.\n"
231 		" 1 -- Do not reset on failure.\n");
232 
233 uint64_t ql2xmaxlun = MAX_LUNS;
234 module_param(ql2xmaxlun, ullong, S_IRUGO);
235 MODULE_PARM_DESC(ql2xmaxlun,
236 		"Defines the maximum LU number to register with the SCSI "
237 		"midlayer. Default is 65535.");
238 
239 int ql2xmdcapmask = 0x1F;
240 module_param(ql2xmdcapmask, int, S_IRUGO);
241 MODULE_PARM_DESC(ql2xmdcapmask,
242 		"Set the Minidump driver capture mask level. "
243 		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
244 
245 int ql2xmdenable = 1;
246 module_param(ql2xmdenable, int, S_IRUGO);
247 MODULE_PARM_DESC(ql2xmdenable,
248 		"Enable/disable MiniDump. "
249 		"0 - MiniDump disabled. "
250 		"1 (Default) - MiniDump enabled.");
251 
252 int ql2xexlogins;
253 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
254 MODULE_PARM_DESC(ql2xexlogins,
255 		 "Number of extended Logins. "
256 		 "0 (Default)- Disabled.");
257 
258 int ql2xexchoffld = 1024;
259 module_param(ql2xexchoffld, uint, 0644);
260 MODULE_PARM_DESC(ql2xexchoffld,
261 	"Number of target exchanges.");
262 
263 int ql2xiniexchg = 1024;
264 module_param(ql2xiniexchg, uint, 0644);
265 MODULE_PARM_DESC(ql2xiniexchg,
266 	"Number of initiator exchanges.");
267 
268 int ql2xfwholdabts;
269 module_param(ql2xfwholdabts, int, S_IRUGO);
270 MODULE_PARM_DESC(ql2xfwholdabts,
271 		"Allow FW to hold status IOCB until ABTS rsp received. "
272 		"0 (Default) Do not set fw option. "
273 		"1 - Set fw option to hold ABTS.");
274 
275 int ql2xmvasynctoatio = 1;
276 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
277 MODULE_PARM_DESC(ql2xmvasynctoatio,
278 		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
279 		"0 (Default). Do not move IOCBs"
280 		"1 - Move IOCBs.");
281 
282 int ql2xautodetectsfp = 1;
283 module_param(ql2xautodetectsfp, int, 0444);
284 MODULE_PARM_DESC(ql2xautodetectsfp,
285 		 "Detect SFP range and set appropriate distance.\n"
286 		 "1 (Default): Enable\n");
287 
288 int ql2xenablemsix = 1;
289 module_param(ql2xenablemsix, int, 0444);
290 MODULE_PARM_DESC(ql2xenablemsix,
291 		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
292 		 " Default is 1, enable MSI-X interrupt mechanism.\n"
293 		 " 0 -- enable traditional pin-based mechanism.\n"
294 		 " 1 -- enable MSI-X interrupt mechanism.\n"
295 		 " 2 -- enable MSI interrupt mechanism.\n");
296 
297 int qla2xuseresexchforels;
298 module_param(qla2xuseresexchforels, int, 0444);
299 MODULE_PARM_DESC(qla2xuseresexchforels,
300 		 "Reserve 1/2 of emergency exchanges for ELS.\n"
301 		 " 0 (default): disabled");
302 
303 static int ql2xprotmask;
304 module_param(ql2xprotmask, int, 0644);
305 MODULE_PARM_DESC(ql2xprotmask,
306 		 "Override DIF/DIX protection capabilities mask\n"
307 		 "Default is 0 which sets protection mask based on "
308 		 "capabilities reported by HBA firmware.\n");
309 
310 static int ql2xprotguard;
311 module_param(ql2xprotguard, int, 0644);
312 MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
313 		 "  0 -- Let HBA firmware decide\n"
314 		 "  1 -- Force T10 CRC\n"
315 		 "  2 -- Force IP checksum\n");
316 
317 int ql2xdifbundlinginternalbuffers;
318 module_param(ql2xdifbundlinginternalbuffers, int, 0644);
319 MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
320     "Force using internal buffers for DIF information\n"
321     "0 (Default). Based on check.\n"
322     "1 Force using internal buffers\n");
323 
324 int ql2xsmartsan;
325 module_param(ql2xsmartsan, int, 0444);
326 module_param_named(smartsan, ql2xsmartsan, int, 0444);
327 MODULE_PARM_DESC(ql2xsmartsan,
328 		"Send SmartSAN Management Attributes for FDMI Registration."
329 		" Default is 0 - No SmartSAN registration,"
330 		" 1 - Register SmartSAN Management Attributes.");
331 
332 int ql2xrdpenable;
333 module_param(ql2xrdpenable, int, 0444);
334 module_param_named(rdpenable, ql2xrdpenable, int, 0444);
335 MODULE_PARM_DESC(ql2xrdpenable,
336 		"Enables RDP responses. "
337 		"0 - no RDP responses (default). "
338 		"1 - provide RDP responses.");
339 int ql2xabts_wait_nvme = 1;
340 module_param(ql2xabts_wait_nvme, int, 0444);
341 MODULE_PARM_DESC(ql2xabts_wait_nvme,
342 		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
343 
344 
345 static u32 ql2xdelay_before_pci_error_handling = 5;
346 module_param(ql2xdelay_before_pci_error_handling, uint, 0644);
347 MODULE_PARM_DESC(ql2xdelay_before_pci_error_handling,
348 	"Number of seconds delayed before qla begin PCI error self-handling (default: 5).\n");
349 
350 static void qla2x00_clear_drv_active(struct qla_hw_data *);
351 static void qla2x00_free_device(scsi_qla_host_t *);
352 static void qla2xxx_map_queues(struct Scsi_Host *shost);
353 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
354 
355 u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
356 module_param(ql2xnvme_queues, uint, S_IRUGO);
357 MODULE_PARM_DESC(ql2xnvme_queues,
358 	"Number of NVMe Queues that can be configured.\n"
359 	"Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n"
360 	"1 - Minimum number of queues supported\n"
361 	"8 - Default value");
362 
363 int ql2xfc2target = 1;
364 module_param(ql2xfc2target, int, 0444);
365 MODULE_PARM_DESC(qla2xfc2target,
366 		  "Enables FC2 Target support. "
367 		  "0 - FC2 Target support is disabled. "
368 		  "1 - FC2 Target support is enabled (default).");
369 
370 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
371 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
372 
373 /* TODO Convert to inlines
374  *
375  * Timer routines
376  */
377 
378 __inline__ void
379 qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
380 {
381 	timer_setup(&vha->timer, qla2x00_timer, 0);
382 	vha->timer.expires = jiffies + interval * HZ;
383 	add_timer(&vha->timer);
384 	vha->timer_active = 1;
385 }
386 
387 static inline void
388 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
389 {
390 	/* Currently used for 82XX only. */
391 	if (vha->device_flags & DFLG_DEV_FAILED) {
392 		ql_dbg(ql_dbg_timer, vha, 0x600d,
393 		    "Device in a failed state, returning.\n");
394 		return;
395 	}
396 
397 	mod_timer(&vha->timer, jiffies + interval * HZ);
398 }
399 
400 static __inline__ void
401 qla2x00_stop_timer(scsi_qla_host_t *vha)
402 {
403 	del_timer_sync(&vha->timer);
404 	vha->timer_active = 0;
405 }
406 
407 static int qla2x00_do_dpc(void *data);
408 
409 static void qla2x00_rst_aen(scsi_qla_host_t *);
410 
411 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
412 	struct req_que **, struct rsp_que **);
413 static void qla2x00_free_fw_dump(struct qla_hw_data *);
414 static void qla2x00_mem_free(struct qla_hw_data *);
415 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
416 	struct qla_qpair *qpair);
417 
418 /* -------------------------------------------------------------------------- */
419 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
420     struct rsp_que *rsp)
421 {
422 	struct qla_hw_data *ha = vha->hw;
423 
424 	rsp->qpair = ha->base_qpair;
425 	rsp->req = req;
426 	ha->base_qpair->hw = ha;
427 	ha->base_qpair->req = req;
428 	ha->base_qpair->rsp = rsp;
429 	ha->base_qpair->vha = vha;
430 	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
431 	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
432 	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
433 	ha->base_qpair->srb_mempool = ha->srb_mempool;
434 	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
435 	ha->base_qpair->enable_class_2 = ql2xenableclass2;
436 	/* init qpair to this cpu. Will adjust at run time. */
437 	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
438 	ha->base_qpair->pdev = ha->pdev;
439 
440 	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
441 		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
442 }
443 
444 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
445 				struct rsp_que *rsp)
446 {
447 	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
448 
449 	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
450 				GFP_KERNEL);
451 	if (!ha->req_q_map) {
452 		ql_log(ql_log_fatal, vha, 0x003b,
453 		    "Unable to allocate memory for request queue ptrs.\n");
454 		goto fail_req_map;
455 	}
456 
457 	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
458 				GFP_KERNEL);
459 	if (!ha->rsp_q_map) {
460 		ql_log(ql_log_fatal, vha, 0x003c,
461 		    "Unable to allocate memory for response queue ptrs.\n");
462 		goto fail_rsp_map;
463 	}
464 
465 	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
466 	if (ha->base_qpair == NULL) {
467 		ql_log(ql_log_warn, vha, 0x00e0,
468 		    "Failed to allocate base queue pair memory.\n");
469 		goto fail_base_qpair;
470 	}
471 
472 	qla_init_base_qpair(vha, req, rsp);
473 
474 	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
475 		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
476 			GFP_KERNEL);
477 		if (!ha->queue_pair_map) {
478 			ql_log(ql_log_fatal, vha, 0x0180,
479 			    "Unable to allocate memory for queue pair ptrs.\n");
480 			goto fail_qpair_map;
481 		}
482 		if (qla_mapq_alloc_qp_cpu_map(ha) != 0) {
483 			kfree(ha->queue_pair_map);
484 			ha->queue_pair_map = NULL;
485 			goto fail_qpair_map;
486 		}
487 	}
488 
489 	/*
490 	 * Make sure we record at least the request and response queue zero in
491 	 * case we need to free them if part of the probe fails.
492 	 */
493 	ha->rsp_q_map[0] = rsp;
494 	ha->req_q_map[0] = req;
495 	set_bit(0, ha->rsp_qid_map);
496 	set_bit(0, ha->req_qid_map);
497 	return 0;
498 
499 fail_qpair_map:
500 	kfree(ha->base_qpair);
501 	ha->base_qpair = NULL;
502 fail_base_qpair:
503 	kfree(ha->rsp_q_map);
504 	ha->rsp_q_map = NULL;
505 fail_rsp_map:
506 	kfree(ha->req_q_map);
507 	ha->req_q_map = NULL;
508 fail_req_map:
509 	return -ENOMEM;
510 }
511 
512 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
513 {
514 	if (IS_QLAFX00(ha)) {
515 		if (req && req->ring_fx00)
516 			dma_free_coherent(&ha->pdev->dev,
517 			    (req->length_fx00 + 1) * sizeof(request_t),
518 			    req->ring_fx00, req->dma_fx00);
519 	} else if (req && req->ring)
520 		dma_free_coherent(&ha->pdev->dev,
521 		(req->length + 1) * sizeof(request_t),
522 		req->ring, req->dma);
523 
524 	if (req)
525 		kfree(req->outstanding_cmds);
526 
527 	kfree(req);
528 }
529 
530 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
531 {
532 	if (IS_QLAFX00(ha)) {
533 		if (rsp && rsp->ring_fx00)
534 			dma_free_coherent(&ha->pdev->dev,
535 			    (rsp->length_fx00 + 1) * sizeof(request_t),
536 			    rsp->ring_fx00, rsp->dma_fx00);
537 	} else if (rsp && rsp->ring) {
538 		dma_free_coherent(&ha->pdev->dev,
539 		(rsp->length + 1) * sizeof(response_t),
540 		rsp->ring, rsp->dma);
541 	}
542 	kfree(rsp);
543 }
544 
545 static void qla2x00_free_queues(struct qla_hw_data *ha)
546 {
547 	struct req_que *req;
548 	struct rsp_que *rsp;
549 	int cnt;
550 	unsigned long flags;
551 
552 	if (ha->queue_pair_map) {
553 		kfree(ha->queue_pair_map);
554 		ha->queue_pair_map = NULL;
555 	}
556 	if (ha->base_qpair) {
557 		kfree(ha->base_qpair);
558 		ha->base_qpair = NULL;
559 	}
560 
561 	qla_mapq_free_qp_cpu_map(ha);
562 	spin_lock_irqsave(&ha->hardware_lock, flags);
563 	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
564 		if (!test_bit(cnt, ha->req_qid_map))
565 			continue;
566 
567 		req = ha->req_q_map[cnt];
568 		clear_bit(cnt, ha->req_qid_map);
569 		ha->req_q_map[cnt] = NULL;
570 
571 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
572 		qla2x00_free_req_que(ha, req);
573 		spin_lock_irqsave(&ha->hardware_lock, flags);
574 	}
575 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
576 
577 	kfree(ha->req_q_map);
578 	ha->req_q_map = NULL;
579 
580 
581 	spin_lock_irqsave(&ha->hardware_lock, flags);
582 	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
583 		if (!test_bit(cnt, ha->rsp_qid_map))
584 			continue;
585 
586 		rsp = ha->rsp_q_map[cnt];
587 		clear_bit(cnt, ha->rsp_qid_map);
588 		ha->rsp_q_map[cnt] =  NULL;
589 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
590 		qla2x00_free_rsp_que(ha, rsp);
591 		spin_lock_irqsave(&ha->hardware_lock, flags);
592 	}
593 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
594 
595 	kfree(ha->rsp_q_map);
596 	ha->rsp_q_map = NULL;
597 }
598 
599 static char *
600 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
601 {
602 	struct qla_hw_data *ha = vha->hw;
603 	static const char *const pci_bus_modes[] = {
604 		"33", "66", "100", "133",
605 	};
606 	uint16_t pci_bus;
607 
608 	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
609 	if (pci_bus) {
610 		snprintf(str, str_len, "PCI-X (%s MHz)",
611 			 pci_bus_modes[pci_bus]);
612 	} else {
613 		pci_bus = (ha->pci_attr & BIT_8) >> 8;
614 		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
615 	}
616 
617 	return str;
618 }
619 
620 static char *
621 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
622 {
623 	static const char *const pci_bus_modes[] = {
624 		"33", "66", "100", "133",
625 	};
626 	struct qla_hw_data *ha = vha->hw;
627 	uint32_t pci_bus;
628 
629 	if (pci_is_pcie(ha->pdev)) {
630 		uint32_t lstat, lspeed, lwidth;
631 		const char *speed_str;
632 
633 		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
634 		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
635 		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
636 
637 		switch (lspeed) {
638 		case 1:
639 			speed_str = "2.5GT/s";
640 			break;
641 		case 2:
642 			speed_str = "5.0GT/s";
643 			break;
644 		case 3:
645 			speed_str = "8.0GT/s";
646 			break;
647 		case 4:
648 			speed_str = "16.0GT/s";
649 			break;
650 		default:
651 			speed_str = "<unknown>";
652 			break;
653 		}
654 		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
655 
656 		return str;
657 	}
658 
659 	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
660 	if (pci_bus == 0 || pci_bus == 8)
661 		snprintf(str, str_len, "PCI (%s MHz)",
662 			 pci_bus_modes[pci_bus >> 3]);
663 	else
664 		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
665 			 pci_bus & 4 ? 2 : 1,
666 			 pci_bus_modes[pci_bus & 3]);
667 
668 	return str;
669 }
670 
671 static char *
672 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
673 {
674 	char un_str[10];
675 	struct qla_hw_data *ha = vha->hw;
676 
677 	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
678 	    ha->fw_minor_version, ha->fw_subminor_version);
679 
680 	if (ha->fw_attributes & BIT_9) {
681 		strcat(str, "FLX");
682 		return (str);
683 	}
684 
685 	switch (ha->fw_attributes & 0xFF) {
686 	case 0x7:
687 		strcat(str, "EF");
688 		break;
689 	case 0x17:
690 		strcat(str, "TP");
691 		break;
692 	case 0x37:
693 		strcat(str, "IP");
694 		break;
695 	case 0x77:
696 		strcat(str, "VI");
697 		break;
698 	default:
699 		sprintf(un_str, "(%x)", ha->fw_attributes);
700 		strcat(str, un_str);
701 		break;
702 	}
703 	if (ha->fw_attributes & 0x100)
704 		strcat(str, "X");
705 
706 	return (str);
707 }
708 
709 static char *
710 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
711 {
712 	struct qla_hw_data *ha = vha->hw;
713 
714 	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
715 	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
716 	return str;
717 }
718 
719 void qla2x00_sp_free_dma(srb_t *sp)
720 {
721 	struct qla_hw_data *ha = sp->vha->hw;
722 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
723 
724 	if (sp->flags & SRB_DMA_VALID) {
725 		scsi_dma_unmap(cmd);
726 		sp->flags &= ~SRB_DMA_VALID;
727 	}
728 
729 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
730 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
731 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
732 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
733 	}
734 
735 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
736 		/* List assured to be having elements */
737 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
738 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
739 	}
740 
741 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
742 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
743 
744 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
745 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
746 	}
747 
748 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
749 		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
750 
751 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
752 		    ctx1->fcp_cmnd_dma);
753 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
754 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
755 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
756 	}
757 
758 	if (sp->flags & SRB_GOT_BUF)
759 		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
760 }
761 
762 void qla2x00_sp_compl(srb_t *sp, int res)
763 {
764 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
765 	struct completion *comp = sp->comp;
766 
767 	/* kref: INIT */
768 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
769 	cmd->result = res;
770 	sp->type = 0;
771 	scsi_done(cmd);
772 	if (comp)
773 		complete(comp);
774 }
775 
776 void qla2xxx_qpair_sp_free_dma(srb_t *sp)
777 {
778 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
779 	struct qla_hw_data *ha = sp->fcport->vha->hw;
780 
781 	if (sp->flags & SRB_DMA_VALID) {
782 		scsi_dma_unmap(cmd);
783 		sp->flags &= ~SRB_DMA_VALID;
784 	}
785 
786 	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
787 		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
788 		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
789 		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
790 	}
791 
792 	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
793 		/* List assured to be having elements */
794 		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
795 		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
796 	}
797 
798 	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
799 		struct crc_context *difctx = sp->u.scmd.crc_ctx;
800 		struct dsd_dma *dif_dsd, *nxt_dsd;
801 
802 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
803 		    &difctx->ldif_dma_hndl_list, list) {
804 			list_del(&dif_dsd->list);
805 			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
806 			    dif_dsd->dsd_list_dma);
807 			kfree(dif_dsd);
808 			difctx->no_dif_bundl--;
809 		}
810 
811 		list_for_each_entry_safe(dif_dsd, nxt_dsd,
812 		    &difctx->ldif_dsd_list, list) {
813 			list_del(&dif_dsd->list);
814 			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
815 			    dif_dsd->dsd_list_dma);
816 			kfree(dif_dsd);
817 			difctx->no_ldif_dsd--;
818 		}
819 
820 		if (difctx->no_ldif_dsd) {
821 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
822 			    "%s: difctx->no_ldif_dsd=%x\n",
823 			    __func__, difctx->no_ldif_dsd);
824 		}
825 
826 		if (difctx->no_dif_bundl) {
827 			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
828 			    "%s: difctx->no_dif_bundl=%x\n",
829 			    __func__, difctx->no_dif_bundl);
830 		}
831 		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
832 	}
833 
834 	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
835 		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
836 
837 		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
838 		    ctx1->fcp_cmnd_dma);
839 		list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
840 		ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
841 		ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
842 		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
843 	}
844 
845 	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
846 		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
847 
848 		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
849 		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
850 	}
851 
852 	if (sp->flags & SRB_GOT_BUF)
853 		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
854 }
855 
856 void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
857 {
858 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
859 	struct completion *comp = sp->comp;
860 
861 	/* ref: INIT */
862 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
863 	cmd->result = res;
864 	sp->type = 0;
865 	scsi_done(cmd);
866 	if (comp)
867 		complete(comp);
868 }
869 
870 static int
871 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
872 {
873 	scsi_qla_host_t *vha = shost_priv(host);
874 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
875 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
876 	struct qla_hw_data *ha = vha->hw;
877 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
878 	srb_t *sp;
879 	int rval;
880 
881 	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
882 	    WARN_ON_ONCE(!rport)) {
883 		cmd->result = DID_NO_CONNECT << 16;
884 		goto qc24_fail_command;
885 	}
886 
887 	if (ha->mqenable) {
888 		uint32_t tag;
889 		uint16_t hwq;
890 		struct qla_qpair *qpair = NULL;
891 
892 		tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
893 		hwq = blk_mq_unique_tag_to_hwq(tag);
894 		qpair = ha->queue_pair_map[hwq];
895 
896 		if (qpair)
897 			return qla2xxx_mqueuecommand(host, cmd, qpair);
898 	}
899 
900 	if (ha->flags.eeh_busy) {
901 		if (ha->flags.pci_channel_io_perm_failure) {
902 			ql_dbg(ql_dbg_aer, vha, 0x9010,
903 			    "PCI Channel IO permanent failure, exiting "
904 			    "cmd=%p.\n", cmd);
905 			cmd->result = DID_NO_CONNECT << 16;
906 		} else {
907 			ql_dbg(ql_dbg_aer, vha, 0x9011,
908 			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
909 			cmd->result = DID_REQUEUE << 16;
910 		}
911 		goto qc24_fail_command;
912 	}
913 
914 	rval = fc_remote_port_chkready(rport);
915 	if (rval) {
916 		cmd->result = rval;
917 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
918 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
919 		    cmd, rval);
920 		goto qc24_fail_command;
921 	}
922 
923 	if (!vha->flags.difdix_supported &&
924 		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
925 			ql_dbg(ql_dbg_io, vha, 0x3004,
926 			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
927 			    cmd);
928 			cmd->result = DID_NO_CONNECT << 16;
929 			goto qc24_fail_command;
930 	}
931 
932 	if (!fcport || fcport->deleted) {
933 		cmd->result = DID_IMM_RETRY << 16;
934 		goto qc24_fail_command;
935 	}
936 
937 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
938 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
939 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
940 			ql_dbg(ql_dbg_io, vha, 0x3005,
941 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
942 			    atomic_read(&fcport->state),
943 			    atomic_read(&base_vha->loop_state));
944 			cmd->result = DID_NO_CONNECT << 16;
945 			goto qc24_fail_command;
946 		}
947 		goto qc24_target_busy;
948 	}
949 
950 	/*
951 	 * Return target busy if we've received a non-zero retry_delay_timer
952 	 * in a FCP_RSP.
953 	 */
954 	if (fcport->retry_delay_timestamp == 0) {
955 		/* retry delay not set */
956 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
957 		fcport->retry_delay_timestamp = 0;
958 	else
959 		goto qc24_target_busy;
960 
961 	sp = scsi_cmd_priv(cmd);
962 	/* ref: INIT */
963 	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
964 
965 	sp->u.scmd.cmd = cmd;
966 	sp->type = SRB_SCSI_CMD;
967 	sp->free = qla2x00_sp_free_dma;
968 	sp->done = qla2x00_sp_compl;
969 
970 	rval = ha->isp_ops->start_scsi(sp);
971 	if (rval != QLA_SUCCESS) {
972 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
973 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
974 		goto qc24_host_busy_free_sp;
975 	}
976 
977 	return 0;
978 
979 qc24_host_busy_free_sp:
980 	/* ref: INIT */
981 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
982 
983 qc24_target_busy:
984 	return SCSI_MLQUEUE_TARGET_BUSY;
985 
986 qc24_fail_command:
987 	scsi_done(cmd);
988 
989 	return 0;
990 }
991 
992 /* For MQ supported I/O */
993 int
994 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
995     struct qla_qpair *qpair)
996 {
997 	scsi_qla_host_t *vha = shost_priv(host);
998 	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
999 	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
1000 	struct qla_hw_data *ha = vha->hw;
1001 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1002 	srb_t *sp;
1003 	int rval;
1004 
1005 	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
1006 	if (rval) {
1007 		cmd->result = rval;
1008 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
1009 		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
1010 		    cmd, rval);
1011 		goto qc24_fail_command;
1012 	}
1013 
1014 	if (!qpair->online) {
1015 		ql_dbg(ql_dbg_io, vha, 0x3077,
1016 		       "qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
1017 		cmd->result = DID_NO_CONNECT << 16;
1018 		goto qc24_fail_command;
1019 	}
1020 
1021 	if (!fcport || fcport->deleted) {
1022 		cmd->result = DID_IMM_RETRY << 16;
1023 		goto qc24_fail_command;
1024 	}
1025 
1026 	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
1027 		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
1028 			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1029 			ql_dbg(ql_dbg_io, vha, 0x3077,
1030 			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
1031 			    atomic_read(&fcport->state),
1032 			    atomic_read(&base_vha->loop_state));
1033 			cmd->result = DID_NO_CONNECT << 16;
1034 			goto qc24_fail_command;
1035 		}
1036 		goto qc24_target_busy;
1037 	}
1038 
1039 	/*
1040 	 * Return target busy if we've received a non-zero retry_delay_timer
1041 	 * in a FCP_RSP.
1042 	 */
1043 	if (fcport->retry_delay_timestamp == 0) {
1044 		/* retry delay not set */
1045 	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1046 		fcport->retry_delay_timestamp = 0;
1047 	else
1048 		goto qc24_target_busy;
1049 
1050 	sp = scsi_cmd_priv(cmd);
1051 	/* ref: INIT */
1052 	qla2xxx_init_sp(sp, vha, qpair, fcport);
1053 
1054 	sp->u.scmd.cmd = cmd;
1055 	sp->type = SRB_SCSI_CMD;
1056 	sp->free = qla2xxx_qpair_sp_free_dma;
1057 	sp->done = qla2xxx_qpair_sp_compl;
1058 
1059 	rval = ha->isp_ops->start_scsi_mq(sp);
1060 	if (rval != QLA_SUCCESS) {
1061 		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1062 		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1063 		goto qc24_host_busy_free_sp;
1064 	}
1065 
1066 	return 0;
1067 
1068 qc24_host_busy_free_sp:
1069 	/* ref: INIT */
1070 	kref_put(&sp->cmd_kref, qla2x00_sp_release);
1071 
1072 qc24_target_busy:
1073 	return SCSI_MLQUEUE_TARGET_BUSY;
1074 
1075 qc24_fail_command:
1076 	scsi_done(cmd);
1077 
1078 	return 0;
1079 }
1080 
1081 /*
1082  * qla2x00_eh_wait_on_command
1083  *    Waits for the command to be returned by the Firmware for some
1084  *    max time.
1085  *
1086  * Input:
1087  *    cmd = Scsi Command to wait on.
1088  *
1089  * Return:
1090  *    Completed in time : QLA_SUCCESS
1091  *    Did not complete in time : QLA_FUNCTION_FAILED
1092  */
1093 static int
1094 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1095 {
1096 #define ABORT_POLLING_PERIOD	1000
1097 #define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1098 	unsigned long wait_iter = ABORT_WAIT_ITER;
1099 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1100 	struct qla_hw_data *ha = vha->hw;
1101 	srb_t *sp = scsi_cmd_priv(cmd);
1102 	int ret = QLA_SUCCESS;
1103 
1104 	if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1105 		ql_dbg(ql_dbg_taskm, vha, 0x8005,
1106 		    "Return:eh_wait.\n");
1107 		return ret;
1108 	}
1109 
1110 	while (sp->type && wait_iter--)
1111 		msleep(ABORT_POLLING_PERIOD);
1112 	if (sp->type)
1113 		ret = QLA_FUNCTION_FAILED;
1114 
1115 	return ret;
1116 }
1117 
1118 /*
1119  * qla2x00_wait_for_hba_online
1120  *    Wait till the HBA is online after going through
1121  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1122  *    finally HBA is disabled ie marked offline
1123  *
1124  * Input:
1125  *     ha - pointer to host adapter structure
1126  *
1127  * Note:
1128  *    Does context switching-Release SPIN_LOCK
1129  *    (if any) before calling this routine.
1130  *
1131  * Return:
1132  *    Success (Adapter is online) : 0
1133  *    Failed  (Adapter is offline/disabled) : 1
1134  */
1135 int
1136 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1137 {
1138 	int		return_status;
1139 	unsigned long	wait_online;
1140 	struct qla_hw_data *ha = vha->hw;
1141 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1142 
1143 	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1144 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1145 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1146 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1147 	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1148 
1149 		msleep(1000);
1150 	}
1151 	if (base_vha->flags.online)
1152 		return_status = QLA_SUCCESS;
1153 	else
1154 		return_status = QLA_FUNCTION_FAILED;
1155 
1156 	return (return_status);
1157 }
1158 
1159 static inline int test_fcport_count(scsi_qla_host_t *vha)
1160 {
1161 	struct qla_hw_data *ha = vha->hw;
1162 	unsigned long flags;
1163 	int res;
1164 	/* Return 0 = sleep, x=wake */
1165 
1166 	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1167 	ql_dbg(ql_dbg_init, vha, 0x00ec,
1168 	    "tgt %p, fcport_count=%d\n",
1169 	    vha, vha->fcport_count);
1170 	res = (vha->fcport_count == 0);
1171 	if  (res) {
1172 		struct fc_port *fcport;
1173 
1174 		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1175 			if (fcport->deleted != QLA_SESS_DELETED) {
1176 				/* session(s) may not be fully logged in
1177 				 * (ie fcport_count=0), but session
1178 				 * deletion thread(s) may be inflight.
1179 				 */
1180 
1181 				res = 0;
1182 				break;
1183 			}
1184 		}
1185 	}
1186 	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1187 
1188 	return res;
1189 }
1190 
1191 /*
1192  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1193  * it has dependency on UNLOADING flag to stop device discovery
1194  */
1195 void
1196 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1197 {
1198 	u8 i;
1199 
1200 	qla2x00_mark_all_devices_lost(vha);
1201 
1202 	for (i = 0; i < 10; i++) {
1203 		if (wait_event_timeout(vha->fcport_waitQ,
1204 		    test_fcport_count(vha), HZ) > 0)
1205 			break;
1206 	}
1207 
1208 	flush_workqueue(vha->hw->wq);
1209 }
1210 
1211 /*
1212  * qla2x00_wait_for_hba_ready
1213  * Wait till the HBA is ready before doing driver unload
1214  *
1215  * Input:
1216  *     ha - pointer to host adapter structure
1217  *
1218  * Note:
1219  *    Does context switching-Release SPIN_LOCK
1220  *    (if any) before calling this routine.
1221  *
1222  */
1223 static void
1224 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1225 {
1226 	struct qla_hw_data *ha = vha->hw;
1227 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1228 
1229 	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1230 		ha->flags.mbox_busy) ||
1231 	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1232 	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1233 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1234 			break;
1235 		msleep(1000);
1236 	}
1237 }
1238 
1239 int
1240 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1241 {
1242 	int		return_status;
1243 	unsigned long	wait_reset;
1244 	struct qla_hw_data *ha = vha->hw;
1245 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1246 
1247 	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1248 	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1249 	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1250 	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1251 	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1252 
1253 		msleep(1000);
1254 
1255 		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1256 		    ha->flags.chip_reset_done)
1257 			break;
1258 	}
1259 	if (ha->flags.chip_reset_done)
1260 		return_status = QLA_SUCCESS;
1261 	else
1262 		return_status = QLA_FUNCTION_FAILED;
1263 
1264 	return return_status;
1265 }
1266 
1267 /**************************************************************************
1268 * qla2xxx_eh_abort
1269 *
1270 * Description:
1271 *    The abort function will abort the specified command.
1272 *
1273 * Input:
1274 *    cmd = Linux SCSI command packet to be aborted.
1275 *
1276 * Returns:
1277 *    Either SUCCESS or FAILED.
1278 *
1279 * Note:
1280 *    Only return FAILED if command not returned by firmware.
1281 **************************************************************************/
1282 static int
1283 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1284 {
1285 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1286 	DECLARE_COMPLETION_ONSTACK(comp);
1287 	srb_t *sp;
1288 	int ret;
1289 	unsigned int id;
1290 	uint64_t lun;
1291 	int rval;
1292 	struct qla_hw_data *ha = vha->hw;
1293 	uint32_t ratov_j;
1294 	struct qla_qpair *qpair;
1295 	unsigned long flags;
1296 	int fast_fail_status = SUCCESS;
1297 
1298 	if (qla2x00_isp_reg_stat(ha)) {
1299 		ql_log(ql_log_info, vha, 0x8042,
1300 		    "PCI/Register disconnect, exiting.\n");
1301 		qla_pci_set_eeh_busy(vha);
1302 		return FAILED;
1303 	}
1304 
1305 	/* Save any FAST_IO_FAIL value to return later if abort succeeds */
1306 	ret = fc_block_scsi_eh(cmd);
1307 	if (ret != 0)
1308 		fast_fail_status = ret;
1309 
1310 	sp = scsi_cmd_priv(cmd);
1311 	qpair = sp->qpair;
1312 
1313 	vha->cmd_timeout_cnt++;
1314 
1315 	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1316 		return fast_fail_status != SUCCESS ? fast_fail_status : FAILED;
1317 
1318 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1319 	sp->comp = &comp;
1320 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1321 
1322 
1323 	id = cmd->device->id;
1324 	lun = cmd->device->lun;
1325 
1326 	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1327 	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1328 	    vha->host_no, id, lun, sp, cmd, sp->handle);
1329 
1330 	/*
1331 	 * Abort will release the original Command/sp from FW. Let the
1332 	 * original command call scsi_done. In return, he will wakeup
1333 	 * this sleeping thread.
1334 	 */
1335 	rval = ha->isp_ops->abort_command(sp);
1336 
1337 	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1338 	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1339 
1340 	/* Wait for the command completion. */
1341 	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1342 	ratov_j = msecs_to_jiffies(ratov_j);
1343 	switch (rval) {
1344 	case QLA_SUCCESS:
1345 		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1346 			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1347 			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1348 			    __func__, ha->r_a_tov/10);
1349 			ret = FAILED;
1350 		} else {
1351 			ret = fast_fail_status;
1352 		}
1353 		break;
1354 	default:
1355 		ret = FAILED;
1356 		break;
1357 	}
1358 
1359 	sp->comp = NULL;
1360 
1361 	ql_log(ql_log_info, vha, 0x801c,
1362 	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1363 	    vha->host_no, id, lun, ret);
1364 
1365 	return ret;
1366 }
1367 
1368 /*
1369  * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1370  */
1371 static int
1372 __qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
1373 				       uint64_t l, enum nexus_wait_type type)
1374 {
1375 	int cnt, match, status;
1376 	unsigned long flags;
1377 	scsi_qla_host_t *vha = qpair->vha;
1378 	struct req_que *req = qpair->req;
1379 	srb_t *sp;
1380 	struct scsi_cmnd *cmd;
1381 
1382 	status = QLA_SUCCESS;
1383 
1384 	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1385 	for (cnt = 1; status == QLA_SUCCESS &&
1386 		cnt < req->num_outstanding_cmds; cnt++) {
1387 		sp = req->outstanding_cmds[cnt];
1388 		if (!sp)
1389 			continue;
1390 		if (sp->type != SRB_SCSI_CMD)
1391 			continue;
1392 		if (vha->vp_idx != sp->vha->vp_idx)
1393 			continue;
1394 		match = 0;
1395 		cmd = GET_CMD_SP(sp);
1396 		switch (type) {
1397 		case WAIT_HOST:
1398 			match = 1;
1399 			break;
1400 		case WAIT_TARGET:
1401 			match = cmd->device->id == t;
1402 			break;
1403 		case WAIT_LUN:
1404 			match = (cmd->device->id == t &&
1405 				cmd->device->lun == l);
1406 			break;
1407 		}
1408 		if (!match)
1409 			continue;
1410 
1411 		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1412 		status = qla2x00_eh_wait_on_command(cmd);
1413 		spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1414 	}
1415 	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1416 
1417 	return status;
1418 }
1419 
1420 int
1421 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1422 				     uint64_t l, enum nexus_wait_type type)
1423 {
1424 	struct qla_qpair *qpair;
1425 	struct qla_hw_data *ha = vha->hw;
1426 	int i, status = QLA_SUCCESS;
1427 
1428 	status = __qla2x00_eh_wait_for_pending_commands(ha->base_qpair, t, l,
1429 							type);
1430 	for (i = 0; status == QLA_SUCCESS && i < ha->max_qpairs; i++) {
1431 		qpair = ha->queue_pair_map[i];
1432 		if (!qpair)
1433 			continue;
1434 		status = __qla2x00_eh_wait_for_pending_commands(qpair, t, l,
1435 								type);
1436 	}
1437 	return status;
1438 }
1439 
1440 static char *reset_errors[] = {
1441 	"HBA not online",
1442 	"HBA not ready",
1443 	"Task management failed",
1444 	"Waiting for command completions",
1445 };
1446 
1447 static int
1448 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1449 {
1450 	struct scsi_device *sdev = cmd->device;
1451 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1452 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1453 	fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
1454 	struct qla_hw_data *ha = vha->hw;
1455 	int err;
1456 
1457 	if (qla2x00_isp_reg_stat(ha)) {
1458 		ql_log(ql_log_info, vha, 0x803e,
1459 		    "PCI/Register disconnect, exiting.\n");
1460 		qla_pci_set_eeh_busy(vha);
1461 		return FAILED;
1462 	}
1463 
1464 	if (!fcport) {
1465 		return FAILED;
1466 	}
1467 
1468 	err = fc_block_rport(rport);
1469 	if (err != 0)
1470 		return err;
1471 
1472 	if (fcport->deleted)
1473 		return FAILED;
1474 
1475 	ql_log(ql_log_info, vha, 0x8009,
1476 	    "DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha->host_no,
1477 	    sdev->id, sdev->lun, cmd);
1478 
1479 	err = 0;
1480 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1481 		ql_log(ql_log_warn, vha, 0x800a,
1482 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1483 		goto eh_reset_failed;
1484 	}
1485 	err = 2;
1486 	if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1)
1487 		!= QLA_SUCCESS) {
1488 		ql_log(ql_log_warn, vha, 0x800c,
1489 		    "do_reset failed for cmd=%p.\n", cmd);
1490 		goto eh_reset_failed;
1491 	}
1492 	err = 3;
1493 	if (qla2x00_eh_wait_for_pending_commands(vha, sdev->id,
1494 	    sdev->lun, WAIT_LUN) != QLA_SUCCESS) {
1495 		ql_log(ql_log_warn, vha, 0x800d,
1496 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1497 		goto eh_reset_failed;
1498 	}
1499 
1500 	ql_log(ql_log_info, vha, 0x800e,
1501 	    "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n",
1502 	    vha->host_no, sdev->id, sdev->lun, cmd);
1503 
1504 	return SUCCESS;
1505 
1506 eh_reset_failed:
1507 	ql_log(ql_log_info, vha, 0x800f,
1508 	    "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1509 	    reset_errors[err], vha->host_no, sdev->id, sdev->lun,
1510 	    cmd);
1511 	vha->reset_cmd_err_cnt++;
1512 	return FAILED;
1513 }
1514 
1515 static int
1516 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1517 {
1518 	struct scsi_device *sdev = cmd->device;
1519 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1520 	scsi_qla_host_t *vha = shost_priv(rport_to_shost(rport));
1521 	struct qla_hw_data *ha = vha->hw;
1522 	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1523 	int err;
1524 
1525 	if (qla2x00_isp_reg_stat(ha)) {
1526 		ql_log(ql_log_info, vha, 0x803f,
1527 		    "PCI/Register disconnect, exiting.\n");
1528 		qla_pci_set_eeh_busy(vha);
1529 		return FAILED;
1530 	}
1531 
1532 	if (!fcport) {
1533 		return FAILED;
1534 	}
1535 
1536 	err = fc_block_rport(rport);
1537 	if (err != 0)
1538 		return err;
1539 
1540 	if (fcport->deleted)
1541 		return FAILED;
1542 
1543 	ql_log(ql_log_info, vha, 0x8009,
1544 	    "TARGET RESET ISSUED nexus=%ld:%d cmd=%p.\n", vha->host_no,
1545 	    sdev->id, cmd);
1546 
1547 	err = 0;
1548 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1549 		ql_log(ql_log_warn, vha, 0x800a,
1550 		    "Wait for hba online failed for cmd=%p.\n", cmd);
1551 		goto eh_reset_failed;
1552 	}
1553 	err = 2;
1554 	if (ha->isp_ops->target_reset(fcport, 0, 0) != QLA_SUCCESS) {
1555 		ql_log(ql_log_warn, vha, 0x800c,
1556 		    "target_reset failed for cmd=%p.\n", cmd);
1557 		goto eh_reset_failed;
1558 	}
1559 	err = 3;
1560 	if (qla2x00_eh_wait_for_pending_commands(vha, sdev->id,
1561 	    0, WAIT_TARGET) != QLA_SUCCESS) {
1562 		ql_log(ql_log_warn, vha, 0x800d,
1563 		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1564 		goto eh_reset_failed;
1565 	}
1566 
1567 	ql_log(ql_log_info, vha, 0x800e,
1568 	    "TARGET RESET SUCCEEDED nexus:%ld:%d cmd=%p.\n",
1569 	    vha->host_no, sdev->id, cmd);
1570 
1571 	return SUCCESS;
1572 
1573 eh_reset_failed:
1574 	ql_log(ql_log_info, vha, 0x800f,
1575 	    "TARGET RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1576 	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1577 	    cmd);
1578 	vha->reset_cmd_err_cnt++;
1579 	return FAILED;
1580 }
1581 
1582 /**************************************************************************
1583 * qla2xxx_eh_bus_reset
1584 *
1585 * Description:
1586 *    The bus reset function will reset the bus and abort any executing
1587 *    commands.
1588 *
1589 * Input:
1590 *    cmd = Linux SCSI command packet of the command that cause the
1591 *          bus reset.
1592 *
1593 * Returns:
1594 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1595 *
1596 **************************************************************************/
1597 static int
1598 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1599 {
1600 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1601 	int ret = FAILED;
1602 	unsigned int id;
1603 	uint64_t lun;
1604 	struct qla_hw_data *ha = vha->hw;
1605 
1606 	if (qla2x00_isp_reg_stat(ha)) {
1607 		ql_log(ql_log_info, vha, 0x8040,
1608 		    "PCI/Register disconnect, exiting.\n");
1609 		qla_pci_set_eeh_busy(vha);
1610 		return FAILED;
1611 	}
1612 
1613 	id = cmd->device->id;
1614 	lun = cmd->device->lun;
1615 
1616 	if (qla2x00_chip_is_down(vha))
1617 		return ret;
1618 
1619 	ql_log(ql_log_info, vha, 0x8012,
1620 	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1621 
1622 	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1623 		ql_log(ql_log_fatal, vha, 0x8013,
1624 		    "Wait for hba online failed board disabled.\n");
1625 		goto eh_bus_reset_done;
1626 	}
1627 
1628 	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1629 		ret = SUCCESS;
1630 
1631 	if (ret == FAILED)
1632 		goto eh_bus_reset_done;
1633 
1634 	/* Flush outstanding commands. */
1635 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1636 	    QLA_SUCCESS) {
1637 		ql_log(ql_log_warn, vha, 0x8014,
1638 		    "Wait for pending commands failed.\n");
1639 		ret = FAILED;
1640 	}
1641 
1642 eh_bus_reset_done:
1643 	ql_log(ql_log_warn, vha, 0x802b,
1644 	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1645 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1646 
1647 	return ret;
1648 }
1649 
1650 /**************************************************************************
1651 * qla2xxx_eh_host_reset
1652 *
1653 * Description:
1654 *    The reset function will reset the Adapter.
1655 *
1656 * Input:
1657 *      cmd = Linux SCSI command packet of the command that cause the
1658 *            adapter reset.
1659 *
1660 * Returns:
1661 *      Either SUCCESS or FAILED.
1662 *
1663 * Note:
1664 **************************************************************************/
1665 static int
1666 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1667 {
1668 	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1669 	struct qla_hw_data *ha = vha->hw;
1670 	int ret = FAILED;
1671 	unsigned int id;
1672 	uint64_t lun;
1673 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1674 
1675 	if (qla2x00_isp_reg_stat(ha)) {
1676 		ql_log(ql_log_info, vha, 0x8041,
1677 		    "PCI/Register disconnect, exiting.\n");
1678 		qla_pci_set_eeh_busy(vha);
1679 		return SUCCESS;
1680 	}
1681 
1682 	id = cmd->device->id;
1683 	lun = cmd->device->lun;
1684 
1685 	ql_log(ql_log_info, vha, 0x8018,
1686 	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1687 
1688 	/*
1689 	 * No point in issuing another reset if one is active.  Also do not
1690 	 * attempt a reset if we are updating flash.
1691 	 */
1692 	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1693 		goto eh_host_reset_lock;
1694 
1695 	if (vha != base_vha) {
1696 		if (qla2x00_vp_abort_isp(vha))
1697 			goto eh_host_reset_lock;
1698 	} else {
1699 		if (IS_P3P_TYPE(vha->hw)) {
1700 			if (!qla82xx_fcoe_ctx_reset(vha)) {
1701 				/* Ctx reset success */
1702 				ret = SUCCESS;
1703 				goto eh_host_reset_lock;
1704 			}
1705 			/* fall thru if ctx reset failed */
1706 		}
1707 		if (ha->wq)
1708 			flush_workqueue(ha->wq);
1709 
1710 		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1711 		if (ha->isp_ops->abort_isp(base_vha)) {
1712 			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1713 			/* failed. schedule dpc to try */
1714 			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1715 
1716 			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1717 				ql_log(ql_log_warn, vha, 0x802a,
1718 				    "wait for hba online failed.\n");
1719 				goto eh_host_reset_lock;
1720 			}
1721 		}
1722 		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1723 	}
1724 
1725 	/* Waiting for command to be returned to OS.*/
1726 	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1727 		QLA_SUCCESS)
1728 		ret = SUCCESS;
1729 
1730 eh_host_reset_lock:
1731 	ql_log(ql_log_info, vha, 0x8017,
1732 	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1733 	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1734 
1735 	return ret;
1736 }
1737 
1738 /*
1739 * qla2x00_loop_reset
1740 *      Issue loop reset.
1741 *
1742 * Input:
1743 *      ha = adapter block pointer.
1744 *
1745 * Returns:
1746 *      0 = success
1747 */
1748 int
1749 qla2x00_loop_reset(scsi_qla_host_t *vha)
1750 {
1751 	int ret;
1752 	struct qla_hw_data *ha = vha->hw;
1753 
1754 	if (IS_QLAFX00(ha))
1755 		return QLA_SUCCESS;
1756 
1757 	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1758 		atomic_set(&vha->loop_state, LOOP_DOWN);
1759 		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1760 		qla2x00_mark_all_devices_lost(vha);
1761 		ret = qla2x00_full_login_lip(vha);
1762 		if (ret != QLA_SUCCESS) {
1763 			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1764 			    "full_login_lip=%d.\n", ret);
1765 		}
1766 	}
1767 
1768 	if (ha->flags.enable_lip_reset) {
1769 		ret = qla2x00_lip_reset(vha);
1770 		if (ret != QLA_SUCCESS)
1771 			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1772 			    "lip_reset failed (%d).\n", ret);
1773 	}
1774 
1775 	/* Issue marker command only when we are going to start the I/O */
1776 	vha->marker_needed = 1;
1777 
1778 	return QLA_SUCCESS;
1779 }
1780 
1781 /*
1782  * The caller must ensure that no completion interrupts will happen
1783  * while this function is in progress.
1784  */
1785 static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1786 			      unsigned long *flags)
1787 	__releases(qp->qp_lock_ptr)
1788 	__acquires(qp->qp_lock_ptr)
1789 {
1790 	DECLARE_COMPLETION_ONSTACK(comp);
1791 	scsi_qla_host_t *vha = qp->vha;
1792 	struct qla_hw_data *ha = vha->hw;
1793 	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1794 	int rval;
1795 	bool ret_cmd;
1796 	uint32_t ratov_j;
1797 
1798 	lockdep_assert_held(qp->qp_lock_ptr);
1799 
1800 	if (qla2x00_chip_is_down(vha)) {
1801 		sp->done(sp, res);
1802 		return;
1803 	}
1804 
1805 	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1806 	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1807 	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1808 	     !qla2x00_isp_reg_stat(ha))) {
1809 		if (sp->comp) {
1810 			sp->done(sp, res);
1811 			return;
1812 		}
1813 
1814 		sp->comp = &comp;
1815 		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1816 
1817 		rval = ha->isp_ops->abort_command(sp);
1818 		/* Wait for command completion. */
1819 		ret_cmd = false;
1820 		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1821 		ratov_j = msecs_to_jiffies(ratov_j);
1822 		switch (rval) {
1823 		case QLA_SUCCESS:
1824 			if (wait_for_completion_timeout(&comp, ratov_j)) {
1825 				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1826 				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1827 				    __func__, ha->r_a_tov/10);
1828 				ret_cmd = true;
1829 			}
1830 			/* else FW return SP to driver */
1831 			break;
1832 		default:
1833 			ret_cmd = true;
1834 			break;
1835 		}
1836 
1837 		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1838 		if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
1839 			sp->done(sp, res);
1840 	} else {
1841 		sp->done(sp, res);
1842 	}
1843 }
1844 
1845 /*
1846  * The caller must ensure that no completion interrupts will happen
1847  * while this function is in progress.
1848  */
1849 static void
1850 __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1851 {
1852 	int cnt;
1853 	unsigned long flags;
1854 	srb_t *sp;
1855 	scsi_qla_host_t *vha = qp->vha;
1856 	struct qla_hw_data *ha = vha->hw;
1857 	struct req_que *req;
1858 	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1859 	struct qla_tgt_cmd *cmd;
1860 
1861 	if (!ha->req_q_map)
1862 		return;
1863 	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1864 	req = qp->req;
1865 	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1866 		sp = req->outstanding_cmds[cnt];
1867 		if (sp) {
1868 			switch (sp->cmd_type) {
1869 			case TYPE_SRB:
1870 				qla2x00_abort_srb(qp, sp, res, &flags);
1871 				break;
1872 			case TYPE_TGT_CMD:
1873 				if (!vha->hw->tgt.tgt_ops || !tgt ||
1874 				    qla_ini_mode_enabled(vha)) {
1875 					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1876 					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1877 					    vha->dpc_flags);
1878 					continue;
1879 				}
1880 				cmd = (struct qla_tgt_cmd *)sp;
1881 				cmd->aborted = 1;
1882 				break;
1883 			case TYPE_TGT_TMCMD:
1884 				/* Skip task management functions. */
1885 				break;
1886 			default:
1887 				break;
1888 			}
1889 			req->outstanding_cmds[cnt] = NULL;
1890 		}
1891 	}
1892 	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1893 }
1894 
1895 /*
1896  * The caller must ensure that no completion interrupts will happen
1897  * while this function is in progress.
1898  */
1899 void
1900 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1901 {
1902 	int que;
1903 	struct qla_hw_data *ha = vha->hw;
1904 
1905 	/* Continue only if initialization complete. */
1906 	if (!ha->base_qpair)
1907 		return;
1908 	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1909 
1910 	if (!ha->queue_pair_map)
1911 		return;
1912 	for (que = 0; que < ha->max_qpairs; que++) {
1913 		if (!ha->queue_pair_map[que])
1914 			continue;
1915 
1916 		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1917 	}
1918 }
1919 
1920 static int
1921 qla2xxx_slave_alloc(struct scsi_device *sdev)
1922 {
1923 	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1924 
1925 	if (!rport || fc_remote_port_chkready(rport))
1926 		return -ENXIO;
1927 
1928 	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1929 
1930 	return 0;
1931 }
1932 
1933 static int
1934 qla2xxx_slave_configure(struct scsi_device *sdev)
1935 {
1936 	scsi_qla_host_t *vha = shost_priv(sdev->host);
1937 	struct req_que *req = vha->req;
1938 
1939 	if (IS_T10_PI_CAPABLE(vha->hw))
1940 		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1941 
1942 	scsi_change_queue_depth(sdev, req->max_q_depth);
1943 	return 0;
1944 }
1945 
1946 static void
1947 qla2xxx_slave_destroy(struct scsi_device *sdev)
1948 {
1949 	sdev->hostdata = NULL;
1950 }
1951 
1952 /**
1953  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1954  * @ha: HA context
1955  *
1956  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1957  * supported addressing method.
1958  */
1959 static void
1960 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1961 {
1962 	/* Assume a 32bit DMA mask. */
1963 	ha->flags.enable_64bit_addressing = 0;
1964 
1965 	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1966 		/* Any upper-dword bits set? */
1967 		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1968 		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1969 			/* Ok, a 64bit DMA mask is applicable. */
1970 			ha->flags.enable_64bit_addressing = 1;
1971 			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1972 			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1973 			return;
1974 		}
1975 	}
1976 
1977 	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1978 	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1979 }
1980 
1981 static void
1982 qla2x00_enable_intrs(struct qla_hw_data *ha)
1983 {
1984 	unsigned long flags = 0;
1985 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1986 
1987 	spin_lock_irqsave(&ha->hardware_lock, flags);
1988 	ha->interrupts_on = 1;
1989 	/* enable risc and host interrupts */
1990 	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1991 	rd_reg_word(&reg->ictrl);
1992 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
1993 
1994 }
1995 
1996 static void
1997 qla2x00_disable_intrs(struct qla_hw_data *ha)
1998 {
1999 	unsigned long flags = 0;
2000 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2001 
2002 	spin_lock_irqsave(&ha->hardware_lock, flags);
2003 	ha->interrupts_on = 0;
2004 	/* disable risc and host interrupts */
2005 	wrt_reg_word(&reg->ictrl, 0);
2006 	rd_reg_word(&reg->ictrl);
2007 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2008 }
2009 
2010 static void
2011 qla24xx_enable_intrs(struct qla_hw_data *ha)
2012 {
2013 	unsigned long flags = 0;
2014 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2015 
2016 	spin_lock_irqsave(&ha->hardware_lock, flags);
2017 	ha->interrupts_on = 1;
2018 	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
2019 	rd_reg_dword(&reg->ictrl);
2020 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2021 }
2022 
2023 static void
2024 qla24xx_disable_intrs(struct qla_hw_data *ha)
2025 {
2026 	unsigned long flags = 0;
2027 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2028 
2029 	if (IS_NOPOLLING_TYPE(ha))
2030 		return;
2031 	spin_lock_irqsave(&ha->hardware_lock, flags);
2032 	ha->interrupts_on = 0;
2033 	wrt_reg_dword(&reg->ictrl, 0);
2034 	rd_reg_dword(&reg->ictrl);
2035 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2036 }
2037 
2038 static int
2039 qla2x00_iospace_config(struct qla_hw_data *ha)
2040 {
2041 	resource_size_t pio;
2042 	uint16_t msix;
2043 
2044 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2045 	    QLA2XXX_DRIVER_NAME)) {
2046 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
2047 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2048 		    pci_name(ha->pdev));
2049 		goto iospace_error_exit;
2050 	}
2051 	if (!(ha->bars & 1))
2052 		goto skip_pio;
2053 
2054 	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
2055 	pio = pci_resource_start(ha->pdev, 0);
2056 	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
2057 		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2058 			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
2059 			    "Invalid pci I/O region size (%s).\n",
2060 			    pci_name(ha->pdev));
2061 			pio = 0;
2062 		}
2063 	} else {
2064 		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
2065 		    "Region #0 no a PIO resource (%s).\n",
2066 		    pci_name(ha->pdev));
2067 		pio = 0;
2068 	}
2069 	ha->pio_address = pio;
2070 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2071 	    "PIO address=%llu.\n",
2072 	    (unsigned long long)ha->pio_address);
2073 
2074 skip_pio:
2075 	/* Use MMIO operations for all accesses. */
2076 	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2077 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2078 		    "Region #1 not an MMIO resource (%s), aborting.\n",
2079 		    pci_name(ha->pdev));
2080 		goto iospace_error_exit;
2081 	}
2082 	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2083 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2084 		    "Invalid PCI mem region size (%s), aborting.\n",
2085 		    pci_name(ha->pdev));
2086 		goto iospace_error_exit;
2087 	}
2088 
2089 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2090 	if (!ha->iobase) {
2091 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2092 		    "Cannot remap MMIO (%s), aborting.\n",
2093 		    pci_name(ha->pdev));
2094 		goto iospace_error_exit;
2095 	}
2096 
2097 	/* Determine queue resources */
2098 	ha->max_req_queues = ha->max_rsp_queues = 1;
2099 	ha->msix_count = QLA_BASE_VECTORS;
2100 
2101 	/* Check if FW supports MQ or not */
2102 	if (!(ha->fw_attributes & BIT_6))
2103 		goto mqiobase_exit;
2104 
2105 	if (!ql2xmqsupport || !ql2xnvmeenable ||
2106 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2107 		goto mqiobase_exit;
2108 
2109 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2110 			pci_resource_len(ha->pdev, 3));
2111 	if (ha->mqiobase) {
2112 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2113 		    "MQIO Base=%p.\n", ha->mqiobase);
2114 		/* Read MSIX vector size of the board */
2115 		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2116 		ha->msix_count = msix + 1;
2117 		/* Max queues are bounded by available msix vectors */
2118 		/* MB interrupt uses 1 vector */
2119 		ha->max_req_queues = ha->msix_count - 1;
2120 		ha->max_rsp_queues = ha->max_req_queues;
2121 		/* Queue pairs is the max value minus the base queue pair */
2122 		ha->max_qpairs = ha->max_rsp_queues - 1;
2123 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2124 		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2125 
2126 		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2127 		    "MSI-X vector count: %d.\n", ha->msix_count);
2128 	} else
2129 		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2130 		    "BAR 3 not enabled.\n");
2131 
2132 mqiobase_exit:
2133 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2134 	    "MSIX Count: %d.\n", ha->msix_count);
2135 	return (0);
2136 
2137 iospace_error_exit:
2138 	return (-ENOMEM);
2139 }
2140 
2141 
2142 static int
2143 qla83xx_iospace_config(struct qla_hw_data *ha)
2144 {
2145 	uint16_t msix;
2146 
2147 	if (pci_request_selected_regions(ha->pdev, ha->bars,
2148 	    QLA2XXX_DRIVER_NAME)) {
2149 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2150 		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2151 		    pci_name(ha->pdev));
2152 
2153 		goto iospace_error_exit;
2154 	}
2155 
2156 	/* Use MMIO operations for all accesses. */
2157 	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2158 		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2159 		    "Invalid pci I/O region size (%s).\n",
2160 		    pci_name(ha->pdev));
2161 		goto iospace_error_exit;
2162 	}
2163 	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2164 		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2165 		    "Invalid PCI mem region size (%s), aborting\n",
2166 			pci_name(ha->pdev));
2167 		goto iospace_error_exit;
2168 	}
2169 
2170 	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2171 	if (!ha->iobase) {
2172 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2173 		    "Cannot remap MMIO (%s), aborting.\n",
2174 		    pci_name(ha->pdev));
2175 		goto iospace_error_exit;
2176 	}
2177 
2178 	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2179 	/* 83XX 26XX always use MQ type access for queues
2180 	 * - mbar 2, a.k.a region 4 */
2181 	ha->max_req_queues = ha->max_rsp_queues = 1;
2182 	ha->msix_count = QLA_BASE_VECTORS;
2183 	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2184 			pci_resource_len(ha->pdev, 4));
2185 
2186 	if (!ha->mqiobase) {
2187 		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2188 		    "BAR2/region4 not enabled\n");
2189 		goto mqiobase_exit;
2190 	}
2191 
2192 	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2193 			pci_resource_len(ha->pdev, 2));
2194 	if (ha->msixbase) {
2195 		/* Read MSIX vector size of the board */
2196 		pci_read_config_word(ha->pdev,
2197 		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2198 		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2199 		/*
2200 		 * By default, driver uses at least two msix vectors
2201 		 * (default & rspq)
2202 		 */
2203 		if (ql2xmqsupport || ql2xnvmeenable) {
2204 			/* MB interrupt uses 1 vector */
2205 			ha->max_req_queues = ha->msix_count - 1;
2206 
2207 			/* ATIOQ needs 1 vector. That's 1 less QPair */
2208 			if (QLA_TGT_MODE_ENABLED())
2209 				ha->max_req_queues--;
2210 
2211 			ha->max_rsp_queues = ha->max_req_queues;
2212 
2213 			/* Queue pairs is the max value minus
2214 			 * the base queue pair */
2215 			ha->max_qpairs = ha->max_req_queues - 1;
2216 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2217 			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2218 		}
2219 		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2220 		    "MSI-X vector count: %d.\n", ha->msix_count);
2221 	} else
2222 		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2223 		    "BAR 1 not enabled.\n");
2224 
2225 mqiobase_exit:
2226 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2227 	    "MSIX Count: %d.\n", ha->msix_count);
2228 	return 0;
2229 
2230 iospace_error_exit:
2231 	return -ENOMEM;
2232 }
2233 
2234 static struct isp_operations qla2100_isp_ops = {
2235 	.pci_config		= qla2100_pci_config,
2236 	.reset_chip		= qla2x00_reset_chip,
2237 	.chip_diag		= qla2x00_chip_diag,
2238 	.config_rings		= qla2x00_config_rings,
2239 	.reset_adapter		= qla2x00_reset_adapter,
2240 	.nvram_config		= qla2x00_nvram_config,
2241 	.update_fw_options	= qla2x00_update_fw_options,
2242 	.load_risc		= qla2x00_load_risc,
2243 	.pci_info_str		= qla2x00_pci_info_str,
2244 	.fw_version_str		= qla2x00_fw_version_str,
2245 	.intr_handler		= qla2100_intr_handler,
2246 	.enable_intrs		= qla2x00_enable_intrs,
2247 	.disable_intrs		= qla2x00_disable_intrs,
2248 	.abort_command		= qla2x00_abort_command,
2249 	.target_reset		= qla2x00_abort_target,
2250 	.lun_reset		= qla2x00_lun_reset,
2251 	.fabric_login		= qla2x00_login_fabric,
2252 	.fabric_logout		= qla2x00_fabric_logout,
2253 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2254 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2255 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2256 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2257 	.read_nvram		= qla2x00_read_nvram_data,
2258 	.write_nvram		= qla2x00_write_nvram_data,
2259 	.fw_dump		= qla2100_fw_dump,
2260 	.beacon_on		= NULL,
2261 	.beacon_off		= NULL,
2262 	.beacon_blink		= NULL,
2263 	.read_optrom		= qla2x00_read_optrom_data,
2264 	.write_optrom		= qla2x00_write_optrom_data,
2265 	.get_flash_version	= qla2x00_get_flash_version,
2266 	.start_scsi		= qla2x00_start_scsi,
2267 	.start_scsi_mq          = NULL,
2268 	.abort_isp		= qla2x00_abort_isp,
2269 	.iospace_config     	= qla2x00_iospace_config,
2270 	.initialize_adapter	= qla2x00_initialize_adapter,
2271 };
2272 
2273 static struct isp_operations qla2300_isp_ops = {
2274 	.pci_config		= qla2300_pci_config,
2275 	.reset_chip		= qla2x00_reset_chip,
2276 	.chip_diag		= qla2x00_chip_diag,
2277 	.config_rings		= qla2x00_config_rings,
2278 	.reset_adapter		= qla2x00_reset_adapter,
2279 	.nvram_config		= qla2x00_nvram_config,
2280 	.update_fw_options	= qla2x00_update_fw_options,
2281 	.load_risc		= qla2x00_load_risc,
2282 	.pci_info_str		= qla2x00_pci_info_str,
2283 	.fw_version_str		= qla2x00_fw_version_str,
2284 	.intr_handler		= qla2300_intr_handler,
2285 	.enable_intrs		= qla2x00_enable_intrs,
2286 	.disable_intrs		= qla2x00_disable_intrs,
2287 	.abort_command		= qla2x00_abort_command,
2288 	.target_reset		= qla2x00_abort_target,
2289 	.lun_reset		= qla2x00_lun_reset,
2290 	.fabric_login		= qla2x00_login_fabric,
2291 	.fabric_logout		= qla2x00_fabric_logout,
2292 	.calc_req_entries	= qla2x00_calc_iocbs_32,
2293 	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2294 	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2295 	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2296 	.read_nvram		= qla2x00_read_nvram_data,
2297 	.write_nvram		= qla2x00_write_nvram_data,
2298 	.fw_dump		= qla2300_fw_dump,
2299 	.beacon_on		= qla2x00_beacon_on,
2300 	.beacon_off		= qla2x00_beacon_off,
2301 	.beacon_blink		= qla2x00_beacon_blink,
2302 	.read_optrom		= qla2x00_read_optrom_data,
2303 	.write_optrom		= qla2x00_write_optrom_data,
2304 	.get_flash_version	= qla2x00_get_flash_version,
2305 	.start_scsi		= qla2x00_start_scsi,
2306 	.start_scsi_mq          = NULL,
2307 	.abort_isp		= qla2x00_abort_isp,
2308 	.iospace_config		= qla2x00_iospace_config,
2309 	.initialize_adapter	= qla2x00_initialize_adapter,
2310 };
2311 
2312 static struct isp_operations qla24xx_isp_ops = {
2313 	.pci_config		= qla24xx_pci_config,
2314 	.reset_chip		= qla24xx_reset_chip,
2315 	.chip_diag		= qla24xx_chip_diag,
2316 	.config_rings		= qla24xx_config_rings,
2317 	.reset_adapter		= qla24xx_reset_adapter,
2318 	.nvram_config		= qla24xx_nvram_config,
2319 	.update_fw_options	= qla24xx_update_fw_options,
2320 	.load_risc		= qla24xx_load_risc,
2321 	.pci_info_str		= qla24xx_pci_info_str,
2322 	.fw_version_str		= qla24xx_fw_version_str,
2323 	.intr_handler		= qla24xx_intr_handler,
2324 	.enable_intrs		= qla24xx_enable_intrs,
2325 	.disable_intrs		= qla24xx_disable_intrs,
2326 	.abort_command		= qla24xx_abort_command,
2327 	.target_reset		= qla24xx_abort_target,
2328 	.lun_reset		= qla24xx_lun_reset,
2329 	.fabric_login		= qla24xx_login_fabric,
2330 	.fabric_logout		= qla24xx_fabric_logout,
2331 	.calc_req_entries	= NULL,
2332 	.build_iocbs		= NULL,
2333 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2334 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2335 	.read_nvram		= qla24xx_read_nvram_data,
2336 	.write_nvram		= qla24xx_write_nvram_data,
2337 	.fw_dump		= qla24xx_fw_dump,
2338 	.beacon_on		= qla24xx_beacon_on,
2339 	.beacon_off		= qla24xx_beacon_off,
2340 	.beacon_blink		= qla24xx_beacon_blink,
2341 	.read_optrom		= qla24xx_read_optrom_data,
2342 	.write_optrom		= qla24xx_write_optrom_data,
2343 	.get_flash_version	= qla24xx_get_flash_version,
2344 	.start_scsi		= qla24xx_start_scsi,
2345 	.start_scsi_mq          = NULL,
2346 	.abort_isp		= qla2x00_abort_isp,
2347 	.iospace_config		= qla2x00_iospace_config,
2348 	.initialize_adapter	= qla2x00_initialize_adapter,
2349 };
2350 
2351 static struct isp_operations qla25xx_isp_ops = {
2352 	.pci_config		= qla25xx_pci_config,
2353 	.reset_chip		= qla24xx_reset_chip,
2354 	.chip_diag		= qla24xx_chip_diag,
2355 	.config_rings		= qla24xx_config_rings,
2356 	.reset_adapter		= qla24xx_reset_adapter,
2357 	.nvram_config		= qla24xx_nvram_config,
2358 	.update_fw_options	= qla24xx_update_fw_options,
2359 	.load_risc		= qla24xx_load_risc,
2360 	.pci_info_str		= qla24xx_pci_info_str,
2361 	.fw_version_str		= qla24xx_fw_version_str,
2362 	.intr_handler		= qla24xx_intr_handler,
2363 	.enable_intrs		= qla24xx_enable_intrs,
2364 	.disable_intrs		= qla24xx_disable_intrs,
2365 	.abort_command		= qla24xx_abort_command,
2366 	.target_reset		= qla24xx_abort_target,
2367 	.lun_reset		= qla24xx_lun_reset,
2368 	.fabric_login		= qla24xx_login_fabric,
2369 	.fabric_logout		= qla24xx_fabric_logout,
2370 	.calc_req_entries	= NULL,
2371 	.build_iocbs		= NULL,
2372 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2373 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2374 	.read_nvram		= qla25xx_read_nvram_data,
2375 	.write_nvram		= qla25xx_write_nvram_data,
2376 	.fw_dump		= qla25xx_fw_dump,
2377 	.beacon_on		= qla24xx_beacon_on,
2378 	.beacon_off		= qla24xx_beacon_off,
2379 	.beacon_blink		= qla24xx_beacon_blink,
2380 	.read_optrom		= qla25xx_read_optrom_data,
2381 	.write_optrom		= qla24xx_write_optrom_data,
2382 	.get_flash_version	= qla24xx_get_flash_version,
2383 	.start_scsi		= qla24xx_dif_start_scsi,
2384 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2385 	.abort_isp		= qla2x00_abort_isp,
2386 	.iospace_config		= qla2x00_iospace_config,
2387 	.initialize_adapter	= qla2x00_initialize_adapter,
2388 };
2389 
2390 static struct isp_operations qla81xx_isp_ops = {
2391 	.pci_config		= qla25xx_pci_config,
2392 	.reset_chip		= qla24xx_reset_chip,
2393 	.chip_diag		= qla24xx_chip_diag,
2394 	.config_rings		= qla24xx_config_rings,
2395 	.reset_adapter		= qla24xx_reset_adapter,
2396 	.nvram_config		= qla81xx_nvram_config,
2397 	.update_fw_options	= qla24xx_update_fw_options,
2398 	.load_risc		= qla81xx_load_risc,
2399 	.pci_info_str		= qla24xx_pci_info_str,
2400 	.fw_version_str		= qla24xx_fw_version_str,
2401 	.intr_handler		= qla24xx_intr_handler,
2402 	.enable_intrs		= qla24xx_enable_intrs,
2403 	.disable_intrs		= qla24xx_disable_intrs,
2404 	.abort_command		= qla24xx_abort_command,
2405 	.target_reset		= qla24xx_abort_target,
2406 	.lun_reset		= qla24xx_lun_reset,
2407 	.fabric_login		= qla24xx_login_fabric,
2408 	.fabric_logout		= qla24xx_fabric_logout,
2409 	.calc_req_entries	= NULL,
2410 	.build_iocbs		= NULL,
2411 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2412 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2413 	.read_nvram		= NULL,
2414 	.write_nvram		= NULL,
2415 	.fw_dump		= qla81xx_fw_dump,
2416 	.beacon_on		= qla24xx_beacon_on,
2417 	.beacon_off		= qla24xx_beacon_off,
2418 	.beacon_blink		= qla83xx_beacon_blink,
2419 	.read_optrom		= qla25xx_read_optrom_data,
2420 	.write_optrom		= qla24xx_write_optrom_data,
2421 	.get_flash_version	= qla24xx_get_flash_version,
2422 	.start_scsi		= qla24xx_dif_start_scsi,
2423 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2424 	.abort_isp		= qla2x00_abort_isp,
2425 	.iospace_config		= qla2x00_iospace_config,
2426 	.initialize_adapter	= qla2x00_initialize_adapter,
2427 };
2428 
2429 static struct isp_operations qla82xx_isp_ops = {
2430 	.pci_config		= qla82xx_pci_config,
2431 	.reset_chip		= qla82xx_reset_chip,
2432 	.chip_diag		= qla24xx_chip_diag,
2433 	.config_rings		= qla82xx_config_rings,
2434 	.reset_adapter		= qla24xx_reset_adapter,
2435 	.nvram_config		= qla81xx_nvram_config,
2436 	.update_fw_options	= qla24xx_update_fw_options,
2437 	.load_risc		= qla82xx_load_risc,
2438 	.pci_info_str		= qla24xx_pci_info_str,
2439 	.fw_version_str		= qla24xx_fw_version_str,
2440 	.intr_handler		= qla82xx_intr_handler,
2441 	.enable_intrs		= qla82xx_enable_intrs,
2442 	.disable_intrs		= qla82xx_disable_intrs,
2443 	.abort_command		= qla24xx_abort_command,
2444 	.target_reset		= qla24xx_abort_target,
2445 	.lun_reset		= qla24xx_lun_reset,
2446 	.fabric_login		= qla24xx_login_fabric,
2447 	.fabric_logout		= qla24xx_fabric_logout,
2448 	.calc_req_entries	= NULL,
2449 	.build_iocbs		= NULL,
2450 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2451 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2452 	.read_nvram		= qla24xx_read_nvram_data,
2453 	.write_nvram		= qla24xx_write_nvram_data,
2454 	.fw_dump		= qla82xx_fw_dump,
2455 	.beacon_on		= qla82xx_beacon_on,
2456 	.beacon_off		= qla82xx_beacon_off,
2457 	.beacon_blink		= NULL,
2458 	.read_optrom		= qla82xx_read_optrom_data,
2459 	.write_optrom		= qla82xx_write_optrom_data,
2460 	.get_flash_version	= qla82xx_get_flash_version,
2461 	.start_scsi             = qla82xx_start_scsi,
2462 	.start_scsi_mq          = NULL,
2463 	.abort_isp		= qla82xx_abort_isp,
2464 	.iospace_config     	= qla82xx_iospace_config,
2465 	.initialize_adapter	= qla2x00_initialize_adapter,
2466 };
2467 
2468 static struct isp_operations qla8044_isp_ops = {
2469 	.pci_config		= qla82xx_pci_config,
2470 	.reset_chip		= qla82xx_reset_chip,
2471 	.chip_diag		= qla24xx_chip_diag,
2472 	.config_rings		= qla82xx_config_rings,
2473 	.reset_adapter		= qla24xx_reset_adapter,
2474 	.nvram_config		= qla81xx_nvram_config,
2475 	.update_fw_options	= qla24xx_update_fw_options,
2476 	.load_risc		= qla82xx_load_risc,
2477 	.pci_info_str		= qla24xx_pci_info_str,
2478 	.fw_version_str		= qla24xx_fw_version_str,
2479 	.intr_handler		= qla8044_intr_handler,
2480 	.enable_intrs		= qla82xx_enable_intrs,
2481 	.disable_intrs		= qla82xx_disable_intrs,
2482 	.abort_command		= qla24xx_abort_command,
2483 	.target_reset		= qla24xx_abort_target,
2484 	.lun_reset		= qla24xx_lun_reset,
2485 	.fabric_login		= qla24xx_login_fabric,
2486 	.fabric_logout		= qla24xx_fabric_logout,
2487 	.calc_req_entries	= NULL,
2488 	.build_iocbs		= NULL,
2489 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2490 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2491 	.read_nvram		= NULL,
2492 	.write_nvram		= NULL,
2493 	.fw_dump		= qla8044_fw_dump,
2494 	.beacon_on		= qla82xx_beacon_on,
2495 	.beacon_off		= qla82xx_beacon_off,
2496 	.beacon_blink		= NULL,
2497 	.read_optrom		= qla8044_read_optrom_data,
2498 	.write_optrom		= qla8044_write_optrom_data,
2499 	.get_flash_version	= qla82xx_get_flash_version,
2500 	.start_scsi             = qla82xx_start_scsi,
2501 	.start_scsi_mq          = NULL,
2502 	.abort_isp		= qla8044_abort_isp,
2503 	.iospace_config		= qla82xx_iospace_config,
2504 	.initialize_adapter	= qla2x00_initialize_adapter,
2505 };
2506 
2507 static struct isp_operations qla83xx_isp_ops = {
2508 	.pci_config		= qla25xx_pci_config,
2509 	.reset_chip		= qla24xx_reset_chip,
2510 	.chip_diag		= qla24xx_chip_diag,
2511 	.config_rings		= qla24xx_config_rings,
2512 	.reset_adapter		= qla24xx_reset_adapter,
2513 	.nvram_config		= qla81xx_nvram_config,
2514 	.update_fw_options	= qla24xx_update_fw_options,
2515 	.load_risc		= qla81xx_load_risc,
2516 	.pci_info_str		= qla24xx_pci_info_str,
2517 	.fw_version_str		= qla24xx_fw_version_str,
2518 	.intr_handler		= qla24xx_intr_handler,
2519 	.enable_intrs		= qla24xx_enable_intrs,
2520 	.disable_intrs		= qla24xx_disable_intrs,
2521 	.abort_command		= qla24xx_abort_command,
2522 	.target_reset		= qla24xx_abort_target,
2523 	.lun_reset		= qla24xx_lun_reset,
2524 	.fabric_login		= qla24xx_login_fabric,
2525 	.fabric_logout		= qla24xx_fabric_logout,
2526 	.calc_req_entries	= NULL,
2527 	.build_iocbs		= NULL,
2528 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2529 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2530 	.read_nvram		= NULL,
2531 	.write_nvram		= NULL,
2532 	.fw_dump		= qla83xx_fw_dump,
2533 	.beacon_on		= qla24xx_beacon_on,
2534 	.beacon_off		= qla24xx_beacon_off,
2535 	.beacon_blink		= qla83xx_beacon_blink,
2536 	.read_optrom		= qla25xx_read_optrom_data,
2537 	.write_optrom		= qla24xx_write_optrom_data,
2538 	.get_flash_version	= qla24xx_get_flash_version,
2539 	.start_scsi		= qla24xx_dif_start_scsi,
2540 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2541 	.abort_isp		= qla2x00_abort_isp,
2542 	.iospace_config		= qla83xx_iospace_config,
2543 	.initialize_adapter	= qla2x00_initialize_adapter,
2544 };
2545 
2546 static struct isp_operations qlafx00_isp_ops = {
2547 	.pci_config		= qlafx00_pci_config,
2548 	.reset_chip		= qlafx00_soft_reset,
2549 	.chip_diag		= qlafx00_chip_diag,
2550 	.config_rings		= qlafx00_config_rings,
2551 	.reset_adapter		= qlafx00_soft_reset,
2552 	.nvram_config		= NULL,
2553 	.update_fw_options	= NULL,
2554 	.load_risc		= NULL,
2555 	.pci_info_str		= qlafx00_pci_info_str,
2556 	.fw_version_str		= qlafx00_fw_version_str,
2557 	.intr_handler		= qlafx00_intr_handler,
2558 	.enable_intrs		= qlafx00_enable_intrs,
2559 	.disable_intrs		= qlafx00_disable_intrs,
2560 	.abort_command		= qla24xx_async_abort_command,
2561 	.target_reset		= qlafx00_abort_target,
2562 	.lun_reset		= qlafx00_lun_reset,
2563 	.fabric_login		= NULL,
2564 	.fabric_logout		= NULL,
2565 	.calc_req_entries	= NULL,
2566 	.build_iocbs		= NULL,
2567 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2568 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2569 	.read_nvram		= qla24xx_read_nvram_data,
2570 	.write_nvram		= qla24xx_write_nvram_data,
2571 	.fw_dump		= NULL,
2572 	.beacon_on		= qla24xx_beacon_on,
2573 	.beacon_off		= qla24xx_beacon_off,
2574 	.beacon_blink		= NULL,
2575 	.read_optrom		= qla24xx_read_optrom_data,
2576 	.write_optrom		= qla24xx_write_optrom_data,
2577 	.get_flash_version	= qla24xx_get_flash_version,
2578 	.start_scsi		= qlafx00_start_scsi,
2579 	.start_scsi_mq          = NULL,
2580 	.abort_isp		= qlafx00_abort_isp,
2581 	.iospace_config		= qlafx00_iospace_config,
2582 	.initialize_adapter	= qlafx00_initialize_adapter,
2583 };
2584 
2585 static struct isp_operations qla27xx_isp_ops = {
2586 	.pci_config		= qla25xx_pci_config,
2587 	.reset_chip		= qla24xx_reset_chip,
2588 	.chip_diag		= qla24xx_chip_diag,
2589 	.config_rings		= qla24xx_config_rings,
2590 	.reset_adapter		= qla24xx_reset_adapter,
2591 	.nvram_config		= qla81xx_nvram_config,
2592 	.update_fw_options	= qla24xx_update_fw_options,
2593 	.load_risc		= qla81xx_load_risc,
2594 	.pci_info_str		= qla24xx_pci_info_str,
2595 	.fw_version_str		= qla24xx_fw_version_str,
2596 	.intr_handler		= qla24xx_intr_handler,
2597 	.enable_intrs		= qla24xx_enable_intrs,
2598 	.disable_intrs		= qla24xx_disable_intrs,
2599 	.abort_command		= qla24xx_abort_command,
2600 	.target_reset		= qla24xx_abort_target,
2601 	.lun_reset		= qla24xx_lun_reset,
2602 	.fabric_login		= qla24xx_login_fabric,
2603 	.fabric_logout		= qla24xx_fabric_logout,
2604 	.calc_req_entries	= NULL,
2605 	.build_iocbs		= NULL,
2606 	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2607 	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2608 	.read_nvram		= NULL,
2609 	.write_nvram		= NULL,
2610 	.fw_dump		= qla27xx_fwdump,
2611 	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2612 	.beacon_on		= qla24xx_beacon_on,
2613 	.beacon_off		= qla24xx_beacon_off,
2614 	.beacon_blink		= qla83xx_beacon_blink,
2615 	.read_optrom		= qla25xx_read_optrom_data,
2616 	.write_optrom		= qla24xx_write_optrom_data,
2617 	.get_flash_version	= qla24xx_get_flash_version,
2618 	.start_scsi		= qla24xx_dif_start_scsi,
2619 	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2620 	.abort_isp		= qla2x00_abort_isp,
2621 	.iospace_config		= qla83xx_iospace_config,
2622 	.initialize_adapter	= qla2x00_initialize_adapter,
2623 };
2624 
2625 static inline void
2626 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2627 {
2628 	ha->device_type = DT_EXTENDED_IDS;
2629 	switch (ha->pdev->device) {
2630 	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2631 		ha->isp_type |= DT_ISP2100;
2632 		ha->device_type &= ~DT_EXTENDED_IDS;
2633 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2634 		break;
2635 	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2636 		ha->isp_type |= DT_ISP2200;
2637 		ha->device_type &= ~DT_EXTENDED_IDS;
2638 		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2639 		break;
2640 	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2641 		ha->isp_type |= DT_ISP2300;
2642 		ha->device_type |= DT_ZIO_SUPPORTED;
2643 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2644 		break;
2645 	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2646 		ha->isp_type |= DT_ISP2312;
2647 		ha->device_type |= DT_ZIO_SUPPORTED;
2648 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2649 		break;
2650 	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2651 		ha->isp_type |= DT_ISP2322;
2652 		ha->device_type |= DT_ZIO_SUPPORTED;
2653 		if (ha->pdev->subsystem_vendor == 0x1028 &&
2654 		    ha->pdev->subsystem_device == 0x0170)
2655 			ha->device_type |= DT_OEM_001;
2656 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2657 		break;
2658 	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2659 		ha->isp_type |= DT_ISP6312;
2660 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2661 		break;
2662 	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2663 		ha->isp_type |= DT_ISP6322;
2664 		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2665 		break;
2666 	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2667 		ha->isp_type |= DT_ISP2422;
2668 		ha->device_type |= DT_ZIO_SUPPORTED;
2669 		ha->device_type |= DT_FWI2;
2670 		ha->device_type |= DT_IIDMA;
2671 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2672 		break;
2673 	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2674 		ha->isp_type |= DT_ISP2432;
2675 		ha->device_type |= DT_ZIO_SUPPORTED;
2676 		ha->device_type |= DT_FWI2;
2677 		ha->device_type |= DT_IIDMA;
2678 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2679 		break;
2680 	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2681 		ha->isp_type |= DT_ISP8432;
2682 		ha->device_type |= DT_ZIO_SUPPORTED;
2683 		ha->device_type |= DT_FWI2;
2684 		ha->device_type |= DT_IIDMA;
2685 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2686 		break;
2687 	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2688 		ha->isp_type |= DT_ISP5422;
2689 		ha->device_type |= DT_FWI2;
2690 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2691 		break;
2692 	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2693 		ha->isp_type |= DT_ISP5432;
2694 		ha->device_type |= DT_FWI2;
2695 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2696 		break;
2697 	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2698 		ha->isp_type |= DT_ISP2532;
2699 		ha->device_type |= DT_ZIO_SUPPORTED;
2700 		ha->device_type |= DT_FWI2;
2701 		ha->device_type |= DT_IIDMA;
2702 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2703 		break;
2704 	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2705 		ha->isp_type |= DT_ISP8001;
2706 		ha->device_type |= DT_ZIO_SUPPORTED;
2707 		ha->device_type |= DT_FWI2;
2708 		ha->device_type |= DT_IIDMA;
2709 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2710 		break;
2711 	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2712 		ha->isp_type |= DT_ISP8021;
2713 		ha->device_type |= DT_ZIO_SUPPORTED;
2714 		ha->device_type |= DT_FWI2;
2715 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2716 		/* Initialize 82XX ISP flags */
2717 		qla82xx_init_flags(ha);
2718 		break;
2719 	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2720 		ha->isp_type |= DT_ISP8044;
2721 		ha->device_type |= DT_ZIO_SUPPORTED;
2722 		ha->device_type |= DT_FWI2;
2723 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2724 		/* Initialize 82XX ISP flags */
2725 		qla82xx_init_flags(ha);
2726 		break;
2727 	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2728 		ha->isp_type |= DT_ISP2031;
2729 		ha->device_type |= DT_ZIO_SUPPORTED;
2730 		ha->device_type |= DT_FWI2;
2731 		ha->device_type |= DT_IIDMA;
2732 		ha->device_type |= DT_T10_PI;
2733 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2734 		break;
2735 	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2736 		ha->isp_type |= DT_ISP8031;
2737 		ha->device_type |= DT_ZIO_SUPPORTED;
2738 		ha->device_type |= DT_FWI2;
2739 		ha->device_type |= DT_IIDMA;
2740 		ha->device_type |= DT_T10_PI;
2741 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2742 		break;
2743 	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2744 		ha->isp_type |= DT_ISPFX00;
2745 		break;
2746 	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2747 		ha->isp_type |= DT_ISP2071;
2748 		ha->device_type |= DT_ZIO_SUPPORTED;
2749 		ha->device_type |= DT_FWI2;
2750 		ha->device_type |= DT_IIDMA;
2751 		ha->device_type |= DT_T10_PI;
2752 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2753 		break;
2754 	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2755 		ha->isp_type |= DT_ISP2271;
2756 		ha->device_type |= DT_ZIO_SUPPORTED;
2757 		ha->device_type |= DT_FWI2;
2758 		ha->device_type |= DT_IIDMA;
2759 		ha->device_type |= DT_T10_PI;
2760 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2761 		break;
2762 	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2763 		ha->isp_type |= DT_ISP2261;
2764 		ha->device_type |= DT_ZIO_SUPPORTED;
2765 		ha->device_type |= DT_FWI2;
2766 		ha->device_type |= DT_IIDMA;
2767 		ha->device_type |= DT_T10_PI;
2768 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2769 		break;
2770 	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2771 	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2772 		ha->isp_type |= DT_ISP2081;
2773 		ha->device_type |= DT_ZIO_SUPPORTED;
2774 		ha->device_type |= DT_FWI2;
2775 		ha->device_type |= DT_IIDMA;
2776 		ha->device_type |= DT_T10_PI;
2777 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2778 		break;
2779 	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2780 	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2781 		ha->isp_type |= DT_ISP2281;
2782 		ha->device_type |= DT_ZIO_SUPPORTED;
2783 		ha->device_type |= DT_FWI2;
2784 		ha->device_type |= DT_IIDMA;
2785 		ha->device_type |= DT_T10_PI;
2786 		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2787 		break;
2788 	}
2789 
2790 	if (IS_QLA82XX(ha))
2791 		ha->port_no = ha->portnum & 1;
2792 	else {
2793 		/* Get adapter physical port no from interrupt pin register. */
2794 		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2795 		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2796 		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2797 			ha->port_no--;
2798 		else
2799 			ha->port_no = !(ha->port_no & 1);
2800 	}
2801 
2802 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2803 	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2804 	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2805 }
2806 
2807 static void
2808 qla2xxx_scan_start(struct Scsi_Host *shost)
2809 {
2810 	scsi_qla_host_t *vha = shost_priv(shost);
2811 
2812 	if (vha->hw->flags.running_gold_fw)
2813 		return;
2814 
2815 	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2816 	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2817 	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2818 	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2819 }
2820 
2821 static int
2822 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2823 {
2824 	scsi_qla_host_t *vha = shost_priv(shost);
2825 
2826 	if (test_bit(UNLOADING, &vha->dpc_flags))
2827 		return 1;
2828 	if (!vha->host)
2829 		return 1;
2830 	if (time > vha->hw->loop_reset_delay * HZ)
2831 		return 1;
2832 
2833 	return atomic_read(&vha->loop_state) == LOOP_READY;
2834 }
2835 
2836 static void qla_heartbeat_work_fn(struct work_struct *work)
2837 {
2838 	struct qla_hw_data *ha = container_of(work,
2839 		struct qla_hw_data, heartbeat_work);
2840 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2841 
2842 	if (!ha->flags.mbox_busy && base_vha->flags.init_done)
2843 		qla_no_op_mb(base_vha);
2844 }
2845 
2846 static void qla2x00_iocb_work_fn(struct work_struct *work)
2847 {
2848 	struct scsi_qla_host *vha = container_of(work,
2849 		struct scsi_qla_host, iocb_work);
2850 	struct qla_hw_data *ha = vha->hw;
2851 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2852 	int i = 2;
2853 	unsigned long flags;
2854 
2855 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2856 		return;
2857 
2858 	while (!list_empty(&vha->work_list) && i > 0) {
2859 		qla2x00_do_work(vha);
2860 		i--;
2861 	}
2862 
2863 	spin_lock_irqsave(&vha->work_lock, flags);
2864 	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2865 	spin_unlock_irqrestore(&vha->work_lock, flags);
2866 }
2867 
2868 static void
2869 qla_trace_init(void)
2870 {
2871 	qla_trc_array = trace_array_get_by_name("qla2xxx");
2872 	if (!qla_trc_array) {
2873 		ql_log(ql_log_fatal, NULL, 0x0001,
2874 		       "Unable to create qla2xxx trace instance, instance logging will be disabled.\n");
2875 		return;
2876 	}
2877 
2878 	QLA_TRACE_ENABLE(qla_trc_array);
2879 }
2880 
2881 static void
2882 qla_trace_uninit(void)
2883 {
2884 	if (!qla_trc_array)
2885 		return;
2886 	trace_array_put(qla_trc_array);
2887 }
2888 
2889 /*
2890  * PCI driver interface
2891  */
2892 static int
2893 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2894 {
2895 	int	ret = -ENODEV;
2896 	struct Scsi_Host *host;
2897 	scsi_qla_host_t *base_vha = NULL;
2898 	struct qla_hw_data *ha;
2899 	char pci_info[30];
2900 	char fw_str[30], wq_name[30];
2901 	struct scsi_host_template *sht;
2902 	int bars, mem_only = 0;
2903 	uint16_t req_length = 0, rsp_length = 0;
2904 	struct req_que *req = NULL;
2905 	struct rsp_que *rsp = NULL;
2906 	int i;
2907 
2908 	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2909 	sht = &qla2xxx_driver_template;
2910 	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2911 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2912 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2913 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2914 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2915 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2916 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2917 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2918 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2919 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2920 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2921 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2922 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2923 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2924 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2925 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2926 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2927 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2928 	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2929 		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2930 		mem_only = 1;
2931 		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2932 		    "Mem only adapter.\n");
2933 	}
2934 	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2935 	    "Bars=%d.\n", bars);
2936 
2937 	if (mem_only) {
2938 		if (pci_enable_device_mem(pdev))
2939 			return ret;
2940 	} else {
2941 		if (pci_enable_device(pdev))
2942 			return ret;
2943 	}
2944 
2945 	if (is_kdump_kernel()) {
2946 		ql2xmqsupport = 0;
2947 		ql2xallocfwdump = 0;
2948 	}
2949 
2950 	/* This may fail but that's ok */
2951 	pci_enable_pcie_error_reporting(pdev);
2952 
2953 	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2954 	if (!ha) {
2955 		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2956 		    "Unable to allocate memory for ha.\n");
2957 		goto disable_device;
2958 	}
2959 	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2960 	    "Memory allocated for ha=%p.\n", ha);
2961 	ha->pdev = pdev;
2962 	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2963 	spin_lock_init(&ha->tgt.q_full_lock);
2964 	spin_lock_init(&ha->tgt.sess_lock);
2965 	spin_lock_init(&ha->tgt.atio_lock);
2966 
2967 	spin_lock_init(&ha->sadb_lock);
2968 	INIT_LIST_HEAD(&ha->sadb_tx_index_list);
2969 	INIT_LIST_HEAD(&ha->sadb_rx_index_list);
2970 
2971 	spin_lock_init(&ha->sadb_fp_lock);
2972 
2973 	if (qla_edif_sadb_build_free_pool(ha)) {
2974 		kfree(ha);
2975 		goto  disable_device;
2976 	}
2977 
2978 	atomic_set(&ha->nvme_active_aen_cnt, 0);
2979 
2980 	/* Clear our data area */
2981 	ha->bars = bars;
2982 	ha->mem_only = mem_only;
2983 	spin_lock_init(&ha->hardware_lock);
2984 	spin_lock_init(&ha->vport_slock);
2985 	mutex_init(&ha->selflogin_lock);
2986 	mutex_init(&ha->optrom_mutex);
2987 
2988 	/* Set ISP-type information. */
2989 	qla2x00_set_isp_flags(ha);
2990 
2991 	/* Set EEH reset type to fundamental if required by hba */
2992 	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2993 	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
2994 		pdev->needs_freset = 1;
2995 
2996 	ha->prev_topology = 0;
2997 	ha->init_cb_size = sizeof(init_cb_t);
2998 	ha->link_data_rate = PORT_SPEED_UNKNOWN;
2999 	ha->optrom_size = OPTROM_SIZE_2300;
3000 	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
3001 	atomic_set(&ha->num_pend_mbx_stage1, 0);
3002 	atomic_set(&ha->num_pend_mbx_stage2, 0);
3003 	atomic_set(&ha->num_pend_mbx_stage3, 0);
3004 	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
3005 	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
3006 
3007 	/* Assign ISP specific operations. */
3008 	if (IS_QLA2100(ha)) {
3009 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3010 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
3011 		req_length = REQUEST_ENTRY_CNT_2100;
3012 		rsp_length = RESPONSE_ENTRY_CNT_2100;
3013 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3014 		ha->gid_list_info_size = 4;
3015 		ha->flash_conf_off = ~0;
3016 		ha->flash_data_off = ~0;
3017 		ha->nvram_conf_off = ~0;
3018 		ha->nvram_data_off = ~0;
3019 		ha->isp_ops = &qla2100_isp_ops;
3020 	} else if (IS_QLA2200(ha)) {
3021 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3022 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
3023 		req_length = REQUEST_ENTRY_CNT_2200;
3024 		rsp_length = RESPONSE_ENTRY_CNT_2100;
3025 		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3026 		ha->gid_list_info_size = 4;
3027 		ha->flash_conf_off = ~0;
3028 		ha->flash_data_off = ~0;
3029 		ha->nvram_conf_off = ~0;
3030 		ha->nvram_data_off = ~0;
3031 		ha->isp_ops = &qla2100_isp_ops;
3032 	} else if (IS_QLA23XX(ha)) {
3033 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3034 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3035 		req_length = REQUEST_ENTRY_CNT_2200;
3036 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3037 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3038 		ha->gid_list_info_size = 6;
3039 		if (IS_QLA2322(ha) || IS_QLA6322(ha))
3040 			ha->optrom_size = OPTROM_SIZE_2322;
3041 		ha->flash_conf_off = ~0;
3042 		ha->flash_data_off = ~0;
3043 		ha->nvram_conf_off = ~0;
3044 		ha->nvram_data_off = ~0;
3045 		ha->isp_ops = &qla2300_isp_ops;
3046 	} else if (IS_QLA24XX_TYPE(ha)) {
3047 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3048 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3049 		req_length = REQUEST_ENTRY_CNT_24XX;
3050 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3051 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3052 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3053 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3054 		ha->gid_list_info_size = 8;
3055 		ha->optrom_size = OPTROM_SIZE_24XX;
3056 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
3057 		ha->isp_ops = &qla24xx_isp_ops;
3058 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3059 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3060 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3061 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3062 	} else if (IS_QLA25XX(ha)) {
3063 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3064 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3065 		req_length = REQUEST_ENTRY_CNT_24XX;
3066 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3067 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3068 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3069 		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3070 		ha->gid_list_info_size = 8;
3071 		ha->optrom_size = OPTROM_SIZE_25XX;
3072 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3073 		ha->isp_ops = &qla25xx_isp_ops;
3074 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3075 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3076 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3077 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3078 	} else if (IS_QLA81XX(ha)) {
3079 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3080 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3081 		req_length = REQUEST_ENTRY_CNT_24XX;
3082 		rsp_length = RESPONSE_ENTRY_CNT_2300;
3083 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3084 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3085 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3086 		ha->gid_list_info_size = 8;
3087 		ha->optrom_size = OPTROM_SIZE_81XX;
3088 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3089 		ha->isp_ops = &qla81xx_isp_ops;
3090 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3091 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3092 		ha->nvram_conf_off = ~0;
3093 		ha->nvram_data_off = ~0;
3094 	} else if (IS_QLA82XX(ha)) {
3095 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3096 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3097 		req_length = REQUEST_ENTRY_CNT_82XX;
3098 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3099 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3100 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3101 		ha->gid_list_info_size = 8;
3102 		ha->optrom_size = OPTROM_SIZE_82XX;
3103 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3104 		ha->isp_ops = &qla82xx_isp_ops;
3105 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3106 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3107 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3108 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3109 	} else if (IS_QLA8044(ha)) {
3110 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3111 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3112 		req_length = REQUEST_ENTRY_CNT_82XX;
3113 		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3114 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3115 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3116 		ha->gid_list_info_size = 8;
3117 		ha->optrom_size = OPTROM_SIZE_83XX;
3118 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3119 		ha->isp_ops = &qla8044_isp_ops;
3120 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3121 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3122 		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3123 		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3124 	} else if (IS_QLA83XX(ha)) {
3125 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3126 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3127 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3128 		req_length = REQUEST_ENTRY_CNT_83XX;
3129 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3130 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3131 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3132 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3133 		ha->gid_list_info_size = 8;
3134 		ha->optrom_size = OPTROM_SIZE_83XX;
3135 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3136 		ha->isp_ops = &qla83xx_isp_ops;
3137 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3138 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3139 		ha->nvram_conf_off = ~0;
3140 		ha->nvram_data_off = ~0;
3141 	}  else if (IS_QLAFX00(ha)) {
3142 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3143 		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3144 		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3145 		req_length = REQUEST_ENTRY_CNT_FX00;
3146 		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3147 		ha->isp_ops = &qlafx00_isp_ops;
3148 		ha->port_down_retry_count = 30; /* default value */
3149 		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3150 		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3151 		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3152 		ha->mr.fw_hbt_en = 1;
3153 		ha->mr.host_info_resend = false;
3154 		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3155 	} else if (IS_QLA27XX(ha)) {
3156 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3157 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3158 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3159 		req_length = REQUEST_ENTRY_CNT_83XX;
3160 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3161 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3162 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3163 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3164 		ha->gid_list_info_size = 8;
3165 		ha->optrom_size = OPTROM_SIZE_83XX;
3166 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3167 		ha->isp_ops = &qla27xx_isp_ops;
3168 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3169 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3170 		ha->nvram_conf_off = ~0;
3171 		ha->nvram_data_off = ~0;
3172 	} else if (IS_QLA28XX(ha)) {
3173 		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3174 		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3175 		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3176 		req_length = REQUEST_ENTRY_CNT_83XX;
3177 		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3178 		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3179 		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3180 		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3181 		ha->gid_list_info_size = 8;
3182 		ha->optrom_size = OPTROM_SIZE_28XX;
3183 		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3184 		ha->isp_ops = &qla27xx_isp_ops;
3185 		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3186 		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3187 		ha->nvram_conf_off = ~0;
3188 		ha->nvram_data_off = ~0;
3189 	}
3190 
3191 	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3192 	    "mbx_count=%d, req_length=%d, "
3193 	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3194 	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3195 	    "max_fibre_devices=%d.\n",
3196 	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3197 	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3198 	    ha->nvram_npiv_size, ha->max_fibre_devices);
3199 	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3200 	    "isp_ops=%p, flash_conf_off=%d, "
3201 	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3202 	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3203 	    ha->nvram_conf_off, ha->nvram_data_off);
3204 
3205 	/* Configure PCI I/O space */
3206 	ret = ha->isp_ops->iospace_config(ha);
3207 	if (ret)
3208 		goto iospace_config_failed;
3209 
3210 	ql_log_pci(ql_log_info, pdev, 0x001d,
3211 	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3212 	    pdev->device, pdev->irq, ha->iobase);
3213 	mutex_init(&ha->vport_lock);
3214 	mutex_init(&ha->mq_lock);
3215 	init_completion(&ha->mbx_cmd_comp);
3216 	complete(&ha->mbx_cmd_comp);
3217 	init_completion(&ha->mbx_intr_comp);
3218 	init_completion(&ha->dcbx_comp);
3219 	init_completion(&ha->lb_portup_comp);
3220 
3221 	set_bit(0, (unsigned long *) ha->vp_idx_map);
3222 
3223 	qla2x00_config_dma_addressing(ha);
3224 	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3225 	    "64 Bit addressing is %s.\n",
3226 	    ha->flags.enable_64bit_addressing ? "enable" :
3227 	    "disable");
3228 	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3229 	if (ret) {
3230 		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3231 		    "Failed to allocate memory for adapter, aborting.\n");
3232 
3233 		goto probe_hw_failed;
3234 	}
3235 
3236 	req->max_q_depth = MAX_Q_DEPTH;
3237 	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3238 		req->max_q_depth = ql2xmaxqdepth;
3239 
3240 
3241 	base_vha = qla2x00_create_host(sht, ha);
3242 	if (!base_vha) {
3243 		ret = -ENOMEM;
3244 		goto probe_hw_failed;
3245 	}
3246 
3247 	pci_set_drvdata(pdev, base_vha);
3248 	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3249 
3250 	host = base_vha->host;
3251 	base_vha->req = req;
3252 	if (IS_QLA2XXX_MIDTYPE(ha))
3253 		base_vha->mgmt_svr_loop_id =
3254 			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3255 	else
3256 		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3257 						base_vha->vp_idx;
3258 
3259 	/* Setup fcport template structure. */
3260 	ha->mr.fcport.vha = base_vha;
3261 	ha->mr.fcport.port_type = FCT_UNKNOWN;
3262 	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3263 	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3264 	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3265 	ha->mr.fcport.scan_state = 1;
3266 
3267 	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3268 			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3269 			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3270 
3271 	/* Set the SG table size based on ISP type */
3272 	if (!IS_FWI2_CAPABLE(ha)) {
3273 		if (IS_QLA2100(ha))
3274 			host->sg_tablesize = 32;
3275 	} else {
3276 		if (!IS_QLA82XX(ha))
3277 			host->sg_tablesize = QLA_SG_ALL;
3278 	}
3279 	host->max_id = ha->max_fibre_devices;
3280 	host->cmd_per_lun = 3;
3281 	host->unique_id = host->host_no;
3282 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3283 		host->max_cmd_len = 32;
3284 	else
3285 		host->max_cmd_len = MAX_CMDSZ;
3286 	host->max_channel = MAX_BUSES - 1;
3287 	/* Older HBAs support only 16-bit LUNs */
3288 	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3289 	    ql2xmaxlun > 0xffff)
3290 		host->max_lun = 0xffff;
3291 	else
3292 		host->max_lun = ql2xmaxlun;
3293 	host->transportt = qla2xxx_transport_template;
3294 	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3295 
3296 	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3297 	    "max_id=%d this_id=%d "
3298 	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3299 	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3300 	    host->this_id, host->cmd_per_lun, host->unique_id,
3301 	    host->max_cmd_len, host->max_channel, host->max_lun,
3302 	    host->transportt, sht->vendor_id);
3303 
3304 	INIT_WORK(&ha->heartbeat_work, qla_heartbeat_work_fn);
3305 
3306 	/* Set up the irqs */
3307 	ret = qla2x00_request_irqs(ha, rsp);
3308 	if (ret)
3309 		goto probe_failed;
3310 
3311 	/* Alloc arrays of request and response ring ptrs */
3312 	ret = qla2x00_alloc_queues(ha, req, rsp);
3313 	if (ret) {
3314 		ql_log(ql_log_fatal, base_vha, 0x003d,
3315 		    "Failed to allocate memory for queue pointers..."
3316 		    "aborting.\n");
3317 		ret = -ENODEV;
3318 		goto probe_failed;
3319 	}
3320 
3321 	if (ha->mqenable) {
3322 		/* number of hardware queues supported by blk/scsi-mq*/
3323 		host->nr_hw_queues = ha->max_qpairs;
3324 
3325 		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3326 			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3327 	} else {
3328 		if (ql2xnvmeenable) {
3329 			host->nr_hw_queues = ha->max_qpairs;
3330 			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3331 			    "FC-NVMe support is enabled, HW queues=%d\n",
3332 			    host->nr_hw_queues);
3333 		} else {
3334 			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3335 			    "blk/scsi-mq disabled.\n");
3336 		}
3337 	}
3338 
3339 	qlt_probe_one_stage1(base_vha, ha);
3340 
3341 	pci_save_state(pdev);
3342 
3343 	/* Assign back pointers */
3344 	rsp->req = req;
3345 	req->rsp = rsp;
3346 
3347 	if (IS_QLAFX00(ha)) {
3348 		ha->rsp_q_map[0] = rsp;
3349 		ha->req_q_map[0] = req;
3350 		set_bit(0, ha->req_qid_map);
3351 		set_bit(0, ha->rsp_qid_map);
3352 	}
3353 
3354 	/* FWI2-capable only. */
3355 	req->req_q_in = &ha->iobase->isp24.req_q_in;
3356 	req->req_q_out = &ha->iobase->isp24.req_q_out;
3357 	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3358 	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3359 	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3360 	    IS_QLA28XX(ha)) {
3361 		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3362 		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3363 		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3364 		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3365 	}
3366 
3367 	if (IS_QLAFX00(ha)) {
3368 		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3369 		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3370 		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3371 		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3372 	}
3373 
3374 	if (IS_P3P_TYPE(ha)) {
3375 		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3376 		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3377 		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3378 	}
3379 
3380 	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3381 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3382 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3383 	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3384 	    "req->req_q_in=%p req->req_q_out=%p "
3385 	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3386 	    req->req_q_in, req->req_q_out,
3387 	    rsp->rsp_q_in, rsp->rsp_q_out);
3388 	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3389 	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3390 	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3391 	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3392 	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3393 	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3394 
3395 	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3396 	if (unlikely(!ha->wq)) {
3397 		ret = -ENOMEM;
3398 		goto probe_failed;
3399 	}
3400 
3401 	if (ha->isp_ops->initialize_adapter(base_vha)) {
3402 		ql_log(ql_log_fatal, base_vha, 0x00d6,
3403 		    "Failed to initialize adapter - Adapter flags %x.\n",
3404 		    base_vha->device_flags);
3405 
3406 		if (IS_QLA82XX(ha)) {
3407 			qla82xx_idc_lock(ha);
3408 			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3409 				QLA8XXX_DEV_FAILED);
3410 			qla82xx_idc_unlock(ha);
3411 			ql_log(ql_log_fatal, base_vha, 0x00d7,
3412 			    "HW State: FAILED.\n");
3413 		} else if (IS_QLA8044(ha)) {
3414 			qla8044_idc_lock(ha);
3415 			qla8044_wr_direct(base_vha,
3416 				QLA8044_CRB_DEV_STATE_INDEX,
3417 				QLA8XXX_DEV_FAILED);
3418 			qla8044_idc_unlock(ha);
3419 			ql_log(ql_log_fatal, base_vha, 0x0150,
3420 			    "HW State: FAILED.\n");
3421 		}
3422 
3423 		ret = -ENODEV;
3424 		goto probe_failed;
3425 	}
3426 
3427 	if (IS_QLAFX00(ha))
3428 		host->can_queue = QLAFX00_MAX_CANQUEUE;
3429 	else
3430 		host->can_queue = req->num_outstanding_cmds - 10;
3431 
3432 	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3433 	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3434 	    host->can_queue, base_vha->req,
3435 	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3436 
3437 	/* Check if FW supports MQ or not for ISP25xx */
3438 	if (IS_QLA25XX(ha) && !(ha->fw_attributes & BIT_6))
3439 		ha->mqenable = 0;
3440 
3441 	if (ha->mqenable) {
3442 		bool startit = false;
3443 
3444 		if (QLA_TGT_MODE_ENABLED())
3445 			startit = false;
3446 
3447 		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3448 			startit = true;
3449 
3450 		/* Create start of day qpairs for Block MQ */
3451 		for (i = 0; i < ha->max_qpairs; i++)
3452 			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3453 	}
3454 	qla_init_iocb_limit(base_vha);
3455 
3456 	if (ha->flags.running_gold_fw)
3457 		goto skip_dpc;
3458 
3459 	/*
3460 	 * Startup the kernel thread for this host adapter
3461 	 */
3462 	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3463 	    "%s_dpc", base_vha->host_str);
3464 	if (IS_ERR(ha->dpc_thread)) {
3465 		ql_log(ql_log_fatal, base_vha, 0x00ed,
3466 		    "Failed to start DPC thread.\n");
3467 		ret = PTR_ERR(ha->dpc_thread);
3468 		ha->dpc_thread = NULL;
3469 		goto probe_failed;
3470 	}
3471 	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3472 	    "DPC thread started successfully.\n");
3473 
3474 	/*
3475 	 * If we're not coming up in initiator mode, we might sit for
3476 	 * a while without waking up the dpc thread, which leads to a
3477 	 * stuck process warning.  So just kick the dpc once here and
3478 	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3479 	 */
3480 	qla2xxx_wake_dpc(base_vha);
3481 
3482 	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3483 
3484 	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3485 		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3486 		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3487 		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3488 
3489 		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3490 		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3491 		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3492 		INIT_WORK(&ha->idc_state_handler,
3493 		    qla83xx_idc_state_handler_work);
3494 		INIT_WORK(&ha->nic_core_unrecoverable,
3495 		    qla83xx_nic_core_unrecoverable_work);
3496 	}
3497 
3498 skip_dpc:
3499 	list_add_tail(&base_vha->list, &ha->vp_list);
3500 	base_vha->host->irq = ha->pdev->irq;
3501 
3502 	/* Initialized the timer */
3503 	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3504 	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3505 	    "Started qla2x00_timer with "
3506 	    "interval=%d.\n", WATCH_INTERVAL);
3507 	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3508 	    "Detected hba at address=%p.\n",
3509 	    ha);
3510 
3511 	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3512 		if (ha->fw_attributes & BIT_4) {
3513 			int prot = 0, guard;
3514 
3515 			base_vha->flags.difdix_supported = 1;
3516 			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3517 			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3518 			if (ql2xenabledif == 1)
3519 				prot = SHOST_DIX_TYPE0_PROTECTION;
3520 			if (ql2xprotmask)
3521 				scsi_host_set_prot(host, ql2xprotmask);
3522 			else
3523 				scsi_host_set_prot(host,
3524 				    prot | SHOST_DIF_TYPE1_PROTECTION
3525 				    | SHOST_DIF_TYPE2_PROTECTION
3526 				    | SHOST_DIF_TYPE3_PROTECTION
3527 				    | SHOST_DIX_TYPE1_PROTECTION
3528 				    | SHOST_DIX_TYPE2_PROTECTION
3529 				    | SHOST_DIX_TYPE3_PROTECTION);
3530 
3531 			guard = SHOST_DIX_GUARD_CRC;
3532 
3533 			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3534 			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3535 				guard |= SHOST_DIX_GUARD_IP;
3536 
3537 			if (ql2xprotguard)
3538 				scsi_host_set_guard(host, ql2xprotguard);
3539 			else
3540 				scsi_host_set_guard(host, guard);
3541 		} else
3542 			base_vha->flags.difdix_supported = 0;
3543 	}
3544 
3545 	ha->isp_ops->enable_intrs(ha);
3546 
3547 	if (IS_QLAFX00(ha)) {
3548 		ret = qlafx00_fx_disc(base_vha,
3549 			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3550 		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3551 		    QLA_SG_ALL : 128;
3552 	}
3553 
3554 	ret = scsi_add_host(host, &pdev->dev);
3555 	if (ret)
3556 		goto probe_failed;
3557 
3558 	base_vha->flags.init_done = 1;
3559 	base_vha->flags.online = 1;
3560 	ha->prev_minidump_failed = 0;
3561 
3562 	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3563 	    "Init done and hba is online.\n");
3564 
3565 	if (qla_ini_mode_enabled(base_vha) ||
3566 		qla_dual_mode_enabled(base_vha))
3567 		scsi_scan_host(host);
3568 	else
3569 		ql_log(ql_log_info, base_vha, 0x0122,
3570 			"skipping scsi_scan_host() for non-initiator port\n");
3571 
3572 	qla2x00_alloc_sysfs_attr(base_vha);
3573 
3574 	if (IS_QLAFX00(ha)) {
3575 		ret = qlafx00_fx_disc(base_vha,
3576 			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3577 
3578 		/* Register system information */
3579 		ret =  qlafx00_fx_disc(base_vha,
3580 			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3581 	}
3582 
3583 	qla2x00_init_host_attr(base_vha);
3584 
3585 	qla2x00_dfs_setup(base_vha);
3586 
3587 	ql_log(ql_log_info, base_vha, 0x00fb,
3588 	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3589 	ql_log(ql_log_info, base_vha, 0x00fc,
3590 	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3591 	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3592 						       sizeof(pci_info)),
3593 	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3594 	    base_vha->host_no,
3595 	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3596 
3597 	qlt_add_target(ha, base_vha);
3598 
3599 	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3600 
3601 	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3602 		return -ENODEV;
3603 
3604 	return 0;
3605 
3606 probe_failed:
3607 	qla_enode_stop(base_vha);
3608 	qla_edb_stop(base_vha);
3609 	if (base_vha->gnl.l) {
3610 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3611 				base_vha->gnl.l, base_vha->gnl.ldma);
3612 		base_vha->gnl.l = NULL;
3613 	}
3614 
3615 	if (base_vha->timer_active)
3616 		qla2x00_stop_timer(base_vha);
3617 	base_vha->flags.online = 0;
3618 	if (ha->dpc_thread) {
3619 		struct task_struct *t = ha->dpc_thread;
3620 
3621 		ha->dpc_thread = NULL;
3622 		kthread_stop(t);
3623 	}
3624 
3625 	qla2x00_free_device(base_vha);
3626 	scsi_host_put(base_vha->host);
3627 	/*
3628 	 * Need to NULL out local req/rsp after
3629 	 * qla2x00_free_device => qla2x00_free_queues frees
3630 	 * what these are pointing to. Or else we'll
3631 	 * fall over below in qla2x00_free_req/rsp_que.
3632 	 */
3633 	req = NULL;
3634 	rsp = NULL;
3635 
3636 probe_hw_failed:
3637 	qla2x00_mem_free(ha);
3638 	qla2x00_free_req_que(ha, req);
3639 	qla2x00_free_rsp_que(ha, rsp);
3640 	qla2x00_clear_drv_active(ha);
3641 
3642 iospace_config_failed:
3643 	if (IS_P3P_TYPE(ha)) {
3644 		if (!ha->nx_pcibase)
3645 			iounmap((device_reg_t *)ha->nx_pcibase);
3646 		if (!ql2xdbwr)
3647 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3648 	} else {
3649 		if (ha->iobase)
3650 			iounmap(ha->iobase);
3651 		if (ha->cregbase)
3652 			iounmap(ha->cregbase);
3653 	}
3654 	pci_release_selected_regions(ha->pdev, ha->bars);
3655 	kfree(ha);
3656 
3657 disable_device:
3658 	pci_disable_device(pdev);
3659 	return ret;
3660 }
3661 
3662 static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3663 {
3664 	scsi_qla_host_t *vp;
3665 	unsigned long flags;
3666 	struct qla_hw_data *ha;
3667 
3668 	if (!base_vha)
3669 		return;
3670 
3671 	ha = base_vha->hw;
3672 
3673 	spin_lock_irqsave(&ha->vport_slock, flags);
3674 	list_for_each_entry(vp, &ha->vp_list, list)
3675 		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3676 
3677 	/*
3678 	 * Indicate device removal to prevent future board_disable
3679 	 * and wait until any pending board_disable has completed.
3680 	 */
3681 	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3682 	spin_unlock_irqrestore(&ha->vport_slock, flags);
3683 }
3684 
3685 static void
3686 qla2x00_shutdown(struct pci_dev *pdev)
3687 {
3688 	scsi_qla_host_t *vha;
3689 	struct qla_hw_data  *ha;
3690 
3691 	vha = pci_get_drvdata(pdev);
3692 	ha = vha->hw;
3693 
3694 	ql_log(ql_log_info, vha, 0xfffa,
3695 		"Adapter shutdown\n");
3696 
3697 	/*
3698 	 * Prevent future board_disable and wait
3699 	 * until any pending board_disable has completed.
3700 	 */
3701 	__qla_set_remove_flag(vha);
3702 	cancel_work_sync(&ha->board_disable);
3703 
3704 	if (!atomic_read(&pdev->enable_cnt))
3705 		return;
3706 
3707 	/* Notify ISPFX00 firmware */
3708 	if (IS_QLAFX00(ha))
3709 		qlafx00_driver_shutdown(vha, 20);
3710 
3711 	/* Turn-off FCE trace */
3712 	if (ha->flags.fce_enabled) {
3713 		qla2x00_disable_fce_trace(vha, NULL, NULL);
3714 		ha->flags.fce_enabled = 0;
3715 	}
3716 
3717 	/* Turn-off EFT trace */
3718 	if (ha->eft)
3719 		qla2x00_disable_eft_trace(vha);
3720 
3721 	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3722 	    IS_QLA28XX(ha)) {
3723 		if (ha->flags.fw_started)
3724 			qla2x00_abort_isp_cleanup(vha);
3725 	} else {
3726 		/* Stop currently executing firmware. */
3727 		qla2x00_try_to_stop_firmware(vha);
3728 	}
3729 
3730 	/* Disable timer */
3731 	if (vha->timer_active)
3732 		qla2x00_stop_timer(vha);
3733 
3734 	/* Turn adapter off line */
3735 	vha->flags.online = 0;
3736 
3737 	/* turn-off interrupts on the card */
3738 	if (ha->interrupts_on) {
3739 		vha->flags.init_done = 0;
3740 		ha->isp_ops->disable_intrs(ha);
3741 	}
3742 
3743 	qla2x00_free_irqs(vha);
3744 
3745 	qla2x00_free_fw_dump(ha);
3746 
3747 	pci_disable_device(pdev);
3748 	ql_log(ql_log_info, vha, 0xfffe,
3749 		"Adapter shutdown successfully.\n");
3750 }
3751 
3752 /* Deletes all the virtual ports for a given ha */
3753 static void
3754 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3755 {
3756 	scsi_qla_host_t *vha;
3757 	unsigned long flags;
3758 
3759 	mutex_lock(&ha->vport_lock);
3760 	while (ha->cur_vport_count) {
3761 		spin_lock_irqsave(&ha->vport_slock, flags);
3762 
3763 		BUG_ON(base_vha->list.next == &ha->vp_list);
3764 		/* This assumes first entry in ha->vp_list is always base vha */
3765 		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3766 		scsi_host_get(vha->host);
3767 
3768 		spin_unlock_irqrestore(&ha->vport_slock, flags);
3769 		mutex_unlock(&ha->vport_lock);
3770 
3771 		qla_nvme_delete(vha);
3772 
3773 		fc_vport_terminate(vha->fc_vport);
3774 		scsi_host_put(vha->host);
3775 
3776 		mutex_lock(&ha->vport_lock);
3777 	}
3778 	mutex_unlock(&ha->vport_lock);
3779 }
3780 
3781 /* Stops all deferred work threads */
3782 static void
3783 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3784 {
3785 	/* Cancel all work and destroy DPC workqueues */
3786 	if (ha->dpc_lp_wq) {
3787 		cancel_work_sync(&ha->idc_aen);
3788 		destroy_workqueue(ha->dpc_lp_wq);
3789 		ha->dpc_lp_wq = NULL;
3790 	}
3791 
3792 	if (ha->dpc_hp_wq) {
3793 		cancel_work_sync(&ha->nic_core_reset);
3794 		cancel_work_sync(&ha->idc_state_handler);
3795 		cancel_work_sync(&ha->nic_core_unrecoverable);
3796 		destroy_workqueue(ha->dpc_hp_wq);
3797 		ha->dpc_hp_wq = NULL;
3798 	}
3799 
3800 	/* Kill the kernel thread for this host */
3801 	if (ha->dpc_thread) {
3802 		struct task_struct *t = ha->dpc_thread;
3803 
3804 		/*
3805 		 * qla2xxx_wake_dpc checks for ->dpc_thread
3806 		 * so we need to zero it out.
3807 		 */
3808 		ha->dpc_thread = NULL;
3809 		kthread_stop(t);
3810 	}
3811 }
3812 
3813 static void
3814 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3815 {
3816 	if (IS_QLA82XX(ha)) {
3817 
3818 		iounmap((device_reg_t *)ha->nx_pcibase);
3819 		if (!ql2xdbwr)
3820 			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3821 	} else {
3822 		if (ha->iobase)
3823 			iounmap(ha->iobase);
3824 
3825 		if (ha->cregbase)
3826 			iounmap(ha->cregbase);
3827 
3828 		if (ha->mqiobase)
3829 			iounmap(ha->mqiobase);
3830 
3831 		if (ha->msixbase)
3832 			iounmap(ha->msixbase);
3833 	}
3834 }
3835 
3836 static void
3837 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3838 {
3839 	if (IS_QLA8044(ha)) {
3840 		qla8044_idc_lock(ha);
3841 		qla8044_clear_drv_active(ha);
3842 		qla8044_idc_unlock(ha);
3843 	} else if (IS_QLA82XX(ha)) {
3844 		qla82xx_idc_lock(ha);
3845 		qla82xx_clear_drv_active(ha);
3846 		qla82xx_idc_unlock(ha);
3847 	}
3848 }
3849 
3850 static void
3851 qla2x00_remove_one(struct pci_dev *pdev)
3852 {
3853 	scsi_qla_host_t *base_vha;
3854 	struct qla_hw_data  *ha;
3855 
3856 	base_vha = pci_get_drvdata(pdev);
3857 	ha = base_vha->hw;
3858 	ql_log(ql_log_info, base_vha, 0xb079,
3859 	    "Removing driver\n");
3860 	__qla_set_remove_flag(base_vha);
3861 	cancel_work_sync(&ha->board_disable);
3862 
3863 	/*
3864 	 * If the PCI device is disabled then there was a PCI-disconnect and
3865 	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3866 	 * resources.
3867 	 */
3868 	if (!atomic_read(&pdev->enable_cnt)) {
3869 		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3870 		    base_vha->gnl.l, base_vha->gnl.ldma);
3871 		base_vha->gnl.l = NULL;
3872 		scsi_host_put(base_vha->host);
3873 		kfree(ha);
3874 		pci_set_drvdata(pdev, NULL);
3875 		return;
3876 	}
3877 	qla2x00_wait_for_hba_ready(base_vha);
3878 
3879 	/*
3880 	 * if UNLOADING flag is already set, then continue unload,
3881 	 * where it was set first.
3882 	 */
3883 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3884 		return;
3885 
3886 	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3887 	    IS_QLA28XX(ha)) {
3888 		if (ha->flags.fw_started)
3889 			qla2x00_abort_isp_cleanup(base_vha);
3890 	} else if (!IS_QLAFX00(ha)) {
3891 		if (IS_QLA8031(ha)) {
3892 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3893 			    "Clearing fcoe driver presence.\n");
3894 			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3895 				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3896 				    "Error while clearing DRV-Presence.\n");
3897 		}
3898 
3899 		qla2x00_try_to_stop_firmware(base_vha);
3900 	}
3901 
3902 	qla2x00_wait_for_sess_deletion(base_vha);
3903 
3904 	qla_nvme_delete(base_vha);
3905 
3906 	dma_free_coherent(&ha->pdev->dev,
3907 		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3908 
3909 	base_vha->gnl.l = NULL;
3910 	qla_enode_stop(base_vha);
3911 	qla_edb_stop(base_vha);
3912 
3913 	vfree(base_vha->scan.l);
3914 
3915 	if (IS_QLAFX00(ha))
3916 		qlafx00_driver_shutdown(base_vha, 20);
3917 
3918 	qla2x00_delete_all_vps(ha, base_vha);
3919 
3920 	qla2x00_dfs_remove(base_vha);
3921 
3922 	qla84xx_put_chip(base_vha);
3923 
3924 	/* Disable timer */
3925 	if (base_vha->timer_active)
3926 		qla2x00_stop_timer(base_vha);
3927 
3928 	base_vha->flags.online = 0;
3929 
3930 	/* free DMA memory */
3931 	if (ha->exlogin_buf)
3932 		qla2x00_free_exlogin_buffer(ha);
3933 
3934 	/* free DMA memory */
3935 	if (ha->exchoffld_buf)
3936 		qla2x00_free_exchoffld_buffer(ha);
3937 
3938 	qla2x00_destroy_deferred_work(ha);
3939 
3940 	qlt_remove_target(ha, base_vha);
3941 
3942 	qla2x00_free_sysfs_attr(base_vha, true);
3943 
3944 	fc_remove_host(base_vha->host);
3945 
3946 	scsi_remove_host(base_vha->host);
3947 
3948 	qla2x00_free_device(base_vha);
3949 
3950 	qla2x00_clear_drv_active(ha);
3951 
3952 	scsi_host_put(base_vha->host);
3953 
3954 	qla2x00_unmap_iobases(ha);
3955 
3956 	pci_release_selected_regions(ha->pdev, ha->bars);
3957 	kfree(ha);
3958 
3959 	pci_disable_pcie_error_reporting(pdev);
3960 
3961 	pci_disable_device(pdev);
3962 }
3963 
3964 static inline void
3965 qla24xx_free_purex_list(struct purex_list *list)
3966 {
3967 	struct purex_item *item, *next;
3968 	ulong flags;
3969 
3970 	spin_lock_irqsave(&list->lock, flags);
3971 	list_for_each_entry_safe(item, next, &list->head, list) {
3972 		list_del(&item->list);
3973 		if (item == &item->vha->default_item)
3974 			continue;
3975 		kfree(item);
3976 	}
3977 	spin_unlock_irqrestore(&list->lock, flags);
3978 }
3979 
3980 static void
3981 qla2x00_free_device(scsi_qla_host_t *vha)
3982 {
3983 	struct qla_hw_data *ha = vha->hw;
3984 
3985 	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3986 
3987 	/* Disable timer */
3988 	if (vha->timer_active)
3989 		qla2x00_stop_timer(vha);
3990 
3991 	qla25xx_delete_queues(vha);
3992 	vha->flags.online = 0;
3993 
3994 	/* turn-off interrupts on the card */
3995 	if (ha->interrupts_on) {
3996 		vha->flags.init_done = 0;
3997 		ha->isp_ops->disable_intrs(ha);
3998 	}
3999 
4000 	qla2x00_free_fcports(vha);
4001 
4002 	qla2x00_free_irqs(vha);
4003 
4004 	/* Flush the work queue and remove it */
4005 	if (ha->wq) {
4006 		destroy_workqueue(ha->wq);
4007 		ha->wq = NULL;
4008 	}
4009 
4010 
4011 	qla24xx_free_purex_list(&vha->purex_list);
4012 
4013 	qla2x00_mem_free(ha);
4014 
4015 	qla82xx_md_free(vha);
4016 
4017 	qla_edif_sadb_release_free_pool(ha);
4018 	qla_edif_sadb_release(ha);
4019 
4020 	qla2x00_free_queues(ha);
4021 }
4022 
4023 void qla2x00_free_fcports(struct scsi_qla_host *vha)
4024 {
4025 	fc_port_t *fcport, *tfcport;
4026 
4027 	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
4028 		qla2x00_free_fcport(fcport);
4029 }
4030 
4031 static inline void
4032 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
4033 {
4034 	int now;
4035 
4036 	if (!fcport->rport)
4037 		return;
4038 
4039 	if (fcport->rport) {
4040 		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
4041 		    "%s %8phN. rport %p roles %x\n",
4042 		    __func__, fcport->port_name, fcport->rport,
4043 		    fcport->rport->roles);
4044 		fc_remote_port_delete(fcport->rport);
4045 	}
4046 	qlt_do_generation_tick(vha, &now);
4047 }
4048 
4049 /*
4050  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
4051  *
4052  * Input: ha = adapter block pointer.  fcport = port structure pointer.
4053  *
4054  * Return: None.
4055  *
4056  * Context:
4057  */
4058 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
4059     int do_login)
4060 {
4061 	if (IS_QLAFX00(vha->hw)) {
4062 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4063 		qla2x00_schedule_rport_del(vha, fcport);
4064 		return;
4065 	}
4066 
4067 	if (atomic_read(&fcport->state) == FCS_ONLINE &&
4068 	    vha->vp_idx == fcport->vha->vp_idx) {
4069 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4070 		qla2x00_schedule_rport_del(vha, fcport);
4071 	}
4072 
4073 	/*
4074 	 * We may need to retry the login, so don't change the state of the
4075 	 * port but do the retries.
4076 	 */
4077 	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
4078 		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4079 
4080 	if (!do_login)
4081 		return;
4082 
4083 	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4084 }
4085 
4086 void
4087 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
4088 {
4089 	fc_port_t *fcport;
4090 
4091 	ql_dbg(ql_dbg_disc, vha, 0x20f1,
4092 	    "Mark all dev lost\n");
4093 
4094 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4095 		if (ql2xfc2target &&
4096 		    fcport->loop_id != FC_NO_LOOP_ID &&
4097 		    (fcport->flags & FCF_FCP2_DEVICE) &&
4098 		    fcport->port_type == FCT_TARGET &&
4099 		    !qla2x00_reset_active(vha)) {
4100 			ql_dbg(ql_dbg_disc, vha, 0x211a,
4101 			       "Delaying session delete for FCP2 flags 0x%x port_type = 0x%x port_id=%06x %phC",
4102 			       fcport->flags, fcport->port_type,
4103 			       fcport->d_id.b24, fcport->port_name);
4104 			continue;
4105 		}
4106 		fcport->scan_state = 0;
4107 		qlt_schedule_sess_for_deletion(fcport);
4108 	}
4109 }
4110 
4111 static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
4112 {
4113 	int i;
4114 
4115 	if (IS_FWI2_CAPABLE(ha))
4116 		return;
4117 
4118 	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
4119 		set_bit(i, ha->loop_id_map);
4120 	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
4121 	set_bit(BROADCAST, ha->loop_id_map);
4122 }
4123 
4124 /*
4125 * qla2x00_mem_alloc
4126 *      Allocates adapter memory.
4127 *
4128 * Returns:
4129 *      0  = success.
4130 *      !0  = failure.
4131 */
4132 static int
4133 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
4134 	struct req_que **req, struct rsp_que **rsp)
4135 {
4136 	char	name[16];
4137 	int rc;
4138 
4139 	if (QLA_TGT_MODE_ENABLED() || EDIF_CAP(ha)) {
4140 		ha->vp_map = kcalloc(MAX_MULTI_ID_FABRIC, sizeof(struct qla_vp_map), GFP_KERNEL);
4141 		if (!ha->vp_map)
4142 			goto fail;
4143 	}
4144 
4145 	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
4146 		&ha->init_cb_dma, GFP_KERNEL);
4147 	if (!ha->init_cb)
4148 		goto fail_free_vp_map;
4149 
4150 	rc = btree_init32(&ha->host_map);
4151 	if (rc)
4152 		goto fail_free_init_cb;
4153 
4154 	if (qlt_mem_alloc(ha) < 0)
4155 		goto fail_free_btree;
4156 
4157 	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
4158 		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
4159 	if (!ha->gid_list)
4160 		goto fail_free_tgt_mem;
4161 
4162 	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4163 	if (!ha->srb_mempool)
4164 		goto fail_free_gid_list;
4165 
4166 	if (IS_P3P_TYPE(ha) || IS_QLA27XX(ha) || (ql2xsecenable && IS_QLA28XX(ha))) {
4167 		/* Allocate cache for CT6 Ctx. */
4168 		if (!ctx_cachep) {
4169 			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4170 				sizeof(struct ct6_dsd), 0,
4171 				SLAB_HWCACHE_ALIGN, NULL);
4172 			if (!ctx_cachep)
4173 				goto fail_free_srb_mempool;
4174 		}
4175 		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4176 			ctx_cachep);
4177 		if (!ha->ctx_mempool)
4178 			goto fail_free_srb_mempool;
4179 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4180 		    "ctx_cachep=%p ctx_mempool=%p.\n",
4181 		    ctx_cachep, ha->ctx_mempool);
4182 	}
4183 
4184 	/* Get memory for cached NVRAM */
4185 	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4186 	if (!ha->nvram)
4187 		goto fail_free_ctx_mempool;
4188 
4189 	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4190 		ha->pdev->device);
4191 	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4192 		DMA_POOL_SIZE, 8, 0);
4193 	if (!ha->s_dma_pool)
4194 		goto fail_free_nvram;
4195 
4196 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4197 	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4198 	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4199 
4200 	if (IS_P3P_TYPE(ha) || ql2xenabledif || (IS_QLA28XX(ha) && ql2xsecenable)) {
4201 		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4202 			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4203 		if (!ha->dl_dma_pool) {
4204 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4205 			    "Failed to allocate memory for dl_dma_pool.\n");
4206 			goto fail_s_dma_pool;
4207 		}
4208 
4209 		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4210 			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4211 		if (!ha->fcp_cmnd_dma_pool) {
4212 			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4213 			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4214 			goto fail_dl_dma_pool;
4215 		}
4216 
4217 		if (ql2xenabledif) {
4218 			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4219 			struct dsd_dma *dsd, *nxt;
4220 			uint i;
4221 			/* Creata a DMA pool of buffers for DIF bundling */
4222 			ha->dif_bundl_pool = dma_pool_create(name,
4223 			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4224 			if (!ha->dif_bundl_pool) {
4225 				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4226 				    "%s: failed create dif_bundl_pool\n",
4227 				    __func__);
4228 				goto fail_dif_bundl_dma_pool;
4229 			}
4230 
4231 			INIT_LIST_HEAD(&ha->pool.good.head);
4232 			INIT_LIST_HEAD(&ha->pool.unusable.head);
4233 			ha->pool.good.count = 0;
4234 			ha->pool.unusable.count = 0;
4235 			for (i = 0; i < 128; i++) {
4236 				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4237 				if (!dsd) {
4238 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4239 					    0xe0ee, "%s: failed alloc dsd\n",
4240 					    __func__);
4241 					return -ENOMEM;
4242 				}
4243 				ha->dif_bundle_kallocs++;
4244 
4245 				dsd->dsd_addr = dma_pool_alloc(
4246 				    ha->dif_bundl_pool, GFP_ATOMIC,
4247 				    &dsd->dsd_list_dma);
4248 				if (!dsd->dsd_addr) {
4249 					ql_dbg_pci(ql_dbg_init, ha->pdev,
4250 					    0xe0ee,
4251 					    "%s: failed alloc ->dsd_addr\n",
4252 					    __func__);
4253 					kfree(dsd);
4254 					ha->dif_bundle_kallocs--;
4255 					continue;
4256 				}
4257 				ha->dif_bundle_dma_allocs++;
4258 
4259 				/*
4260 				 * if DMA buffer crosses 4G boundary,
4261 				 * put it on bad list
4262 				 */
4263 				if (MSD(dsd->dsd_list_dma) ^
4264 				    MSD(dsd->dsd_list_dma + bufsize)) {
4265 					list_add_tail(&dsd->list,
4266 					    &ha->pool.unusable.head);
4267 					ha->pool.unusable.count++;
4268 				} else {
4269 					list_add_tail(&dsd->list,
4270 					    &ha->pool.good.head);
4271 					ha->pool.good.count++;
4272 				}
4273 			}
4274 
4275 			/* return the good ones back to the pool */
4276 			list_for_each_entry_safe(dsd, nxt,
4277 			    &ha->pool.good.head, list) {
4278 				list_del(&dsd->list);
4279 				dma_pool_free(ha->dif_bundl_pool,
4280 				    dsd->dsd_addr, dsd->dsd_list_dma);
4281 				ha->dif_bundle_dma_allocs--;
4282 				kfree(dsd);
4283 				ha->dif_bundle_kallocs--;
4284 			}
4285 
4286 			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4287 			    "%s: dif dma pool (good=%u unusable=%u)\n",
4288 			    __func__, ha->pool.good.count,
4289 			    ha->pool.unusable.count);
4290 		}
4291 
4292 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4293 		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4294 		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4295 		    ha->dif_bundl_pool);
4296 	}
4297 
4298 	/* Allocate memory for SNS commands */
4299 	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4300 	/* Get consistent memory allocated for SNS commands */
4301 		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4302 		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4303 		if (!ha->sns_cmd)
4304 			goto fail_dma_pool;
4305 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4306 		    "sns_cmd: %p.\n", ha->sns_cmd);
4307 	} else {
4308 	/* Get consistent memory allocated for MS IOCB */
4309 		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4310 			&ha->ms_iocb_dma);
4311 		if (!ha->ms_iocb)
4312 			goto fail_dma_pool;
4313 	/* Get consistent memory allocated for CT SNS commands */
4314 		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4315 			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4316 		if (!ha->ct_sns)
4317 			goto fail_free_ms_iocb;
4318 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4319 		    "ms_iocb=%p ct_sns=%p.\n",
4320 		    ha->ms_iocb, ha->ct_sns);
4321 	}
4322 
4323 	/* Allocate memory for request ring */
4324 	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4325 	if (!*req) {
4326 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4327 		    "Failed to allocate memory for req.\n");
4328 		goto fail_req;
4329 	}
4330 	(*req)->length = req_len;
4331 	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4332 		((*req)->length + 1) * sizeof(request_t),
4333 		&(*req)->dma, GFP_KERNEL);
4334 	if (!(*req)->ring) {
4335 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4336 		    "Failed to allocate memory for req_ring.\n");
4337 		goto fail_req_ring;
4338 	}
4339 	/* Allocate memory for response ring */
4340 	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4341 	if (!*rsp) {
4342 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4343 		    "Failed to allocate memory for rsp.\n");
4344 		goto fail_rsp;
4345 	}
4346 	(*rsp)->hw = ha;
4347 	(*rsp)->length = rsp_len;
4348 	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4349 		((*rsp)->length + 1) * sizeof(response_t),
4350 		&(*rsp)->dma, GFP_KERNEL);
4351 	if (!(*rsp)->ring) {
4352 		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4353 		    "Failed to allocate memory for rsp_ring.\n");
4354 		goto fail_rsp_ring;
4355 	}
4356 	(*req)->rsp = *rsp;
4357 	(*rsp)->req = *req;
4358 	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4359 	    "req=%p req->length=%d req->ring=%p rsp=%p "
4360 	    "rsp->length=%d rsp->ring=%p.\n",
4361 	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4362 	    (*rsp)->ring);
4363 	/* Allocate memory for NVRAM data for vports */
4364 	if (ha->nvram_npiv_size) {
4365 		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4366 					sizeof(struct qla_npiv_entry),
4367 					GFP_KERNEL);
4368 		if (!ha->npiv_info) {
4369 			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4370 			    "Failed to allocate memory for npiv_info.\n");
4371 			goto fail_npiv_info;
4372 		}
4373 	} else
4374 		ha->npiv_info = NULL;
4375 
4376 	/* Get consistent memory allocated for EX-INIT-CB. */
4377 	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4378 	    IS_QLA28XX(ha)) {
4379 		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4380 		    &ha->ex_init_cb_dma);
4381 		if (!ha->ex_init_cb)
4382 			goto fail_ex_init_cb;
4383 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4384 		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4385 	}
4386 
4387 	/* Get consistent memory allocated for Special Features-CB. */
4388 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4389 		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
4390 						&ha->sf_init_cb_dma);
4391 		if (!ha->sf_init_cb)
4392 			goto fail_sf_init_cb;
4393 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4394 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4395 	}
4396 
4397 	INIT_LIST_HEAD(&ha->gbl_dsd_list);
4398 
4399 	/* Get consistent memory allocated for Async Port-Database. */
4400 	if (!IS_FWI2_CAPABLE(ha)) {
4401 		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4402 			&ha->async_pd_dma);
4403 		if (!ha->async_pd)
4404 			goto fail_async_pd;
4405 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4406 		    "async_pd=%p.\n", ha->async_pd);
4407 	}
4408 
4409 	INIT_LIST_HEAD(&ha->vp_list);
4410 
4411 	/* Allocate memory for our loop_id bitmap */
4412 	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4413 				  sizeof(long),
4414 				  GFP_KERNEL);
4415 	if (!ha->loop_id_map)
4416 		goto fail_loop_id_map;
4417 	else {
4418 		qla2x00_set_reserved_loop_ids(ha);
4419 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4420 		    "loop_id_map=%p.\n", ha->loop_id_map);
4421 	}
4422 
4423 	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4424 	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4425 	if (!ha->sfp_data) {
4426 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4427 		    "Unable to allocate memory for SFP read-data.\n");
4428 		goto fail_sfp_data;
4429 	}
4430 
4431 	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4432 	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4433 	    GFP_KERNEL);
4434 	if (!ha->flt) {
4435 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4436 		    "Unable to allocate memory for FLT.\n");
4437 		goto fail_flt_buffer;
4438 	}
4439 
4440 	/* allocate the purex dma pool */
4441 	ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4442 	    ELS_MAX_PAYLOAD, 8, 0);
4443 
4444 	if (!ha->purex_dma_pool) {
4445 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4446 		    "Unable to allocate purex_dma_pool.\n");
4447 		goto fail_flt;
4448 	}
4449 
4450 	ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16;
4451 	ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev,
4452 	    ha->elsrej.size, &ha->elsrej.cdma, GFP_KERNEL);
4453 
4454 	if (!ha->elsrej.c) {
4455 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4456 		    "Alloc failed for els reject cmd.\n");
4457 		goto fail_elsrej;
4458 	}
4459 	ha->elsrej.c->er_cmd = ELS_LS_RJT;
4460 	ha->elsrej.c->er_reason = ELS_RJT_LOGIC;
4461 	ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA;
4462 	return 0;
4463 
4464 fail_elsrej:
4465 	dma_pool_destroy(ha->purex_dma_pool);
4466 fail_flt:
4467 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4468 	    ha->flt, ha->flt_dma);
4469 
4470 fail_flt_buffer:
4471 	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4472 	    ha->sfp_data, ha->sfp_data_dma);
4473 fail_sfp_data:
4474 	kfree(ha->loop_id_map);
4475 fail_loop_id_map:
4476 	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4477 fail_async_pd:
4478 	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4479 fail_sf_init_cb:
4480 	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4481 fail_ex_init_cb:
4482 	kfree(ha->npiv_info);
4483 fail_npiv_info:
4484 	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4485 		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4486 	(*rsp)->ring = NULL;
4487 	(*rsp)->dma = 0;
4488 fail_rsp_ring:
4489 	kfree(*rsp);
4490 	*rsp = NULL;
4491 fail_rsp:
4492 	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4493 		sizeof(request_t), (*req)->ring, (*req)->dma);
4494 	(*req)->ring = NULL;
4495 	(*req)->dma = 0;
4496 fail_req_ring:
4497 	kfree(*req);
4498 	*req = NULL;
4499 fail_req:
4500 	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4501 		ha->ct_sns, ha->ct_sns_dma);
4502 	ha->ct_sns = NULL;
4503 	ha->ct_sns_dma = 0;
4504 fail_free_ms_iocb:
4505 	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4506 	ha->ms_iocb = NULL;
4507 	ha->ms_iocb_dma = 0;
4508 
4509 	if (ha->sns_cmd)
4510 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4511 		    ha->sns_cmd, ha->sns_cmd_dma);
4512 fail_dma_pool:
4513 	if (ql2xenabledif) {
4514 		struct dsd_dma *dsd, *nxt;
4515 
4516 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4517 		    list) {
4518 			list_del(&dsd->list);
4519 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4520 			    dsd->dsd_list_dma);
4521 			ha->dif_bundle_dma_allocs--;
4522 			kfree(dsd);
4523 			ha->dif_bundle_kallocs--;
4524 			ha->pool.unusable.count--;
4525 		}
4526 		dma_pool_destroy(ha->dif_bundl_pool);
4527 		ha->dif_bundl_pool = NULL;
4528 	}
4529 
4530 fail_dif_bundl_dma_pool:
4531 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4532 		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4533 		ha->fcp_cmnd_dma_pool = NULL;
4534 	}
4535 fail_dl_dma_pool:
4536 	if (IS_QLA82XX(ha) || ql2xenabledif) {
4537 		dma_pool_destroy(ha->dl_dma_pool);
4538 		ha->dl_dma_pool = NULL;
4539 	}
4540 fail_s_dma_pool:
4541 	dma_pool_destroy(ha->s_dma_pool);
4542 	ha->s_dma_pool = NULL;
4543 fail_free_nvram:
4544 	kfree(ha->nvram);
4545 	ha->nvram = NULL;
4546 fail_free_ctx_mempool:
4547 	mempool_destroy(ha->ctx_mempool);
4548 	ha->ctx_mempool = NULL;
4549 fail_free_srb_mempool:
4550 	mempool_destroy(ha->srb_mempool);
4551 	ha->srb_mempool = NULL;
4552 fail_free_gid_list:
4553 	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4554 	ha->gid_list,
4555 	ha->gid_list_dma);
4556 	ha->gid_list = NULL;
4557 	ha->gid_list_dma = 0;
4558 fail_free_tgt_mem:
4559 	qlt_mem_free(ha);
4560 fail_free_btree:
4561 	btree_destroy32(&ha->host_map);
4562 fail_free_init_cb:
4563 	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4564 	ha->init_cb_dma);
4565 	ha->init_cb = NULL;
4566 	ha->init_cb_dma = 0;
4567 fail_free_vp_map:
4568 	kfree(ha->vp_map);
4569 fail:
4570 	ql_log(ql_log_fatal, NULL, 0x0030,
4571 	    "Memory allocation failure.\n");
4572 	return -ENOMEM;
4573 }
4574 
4575 int
4576 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4577 {
4578 	int rval;
4579 	uint16_t	size, max_cnt;
4580 	uint32_t temp;
4581 	struct qla_hw_data *ha = vha->hw;
4582 
4583 	/* Return if we don't need to alloacate any extended logins */
4584 	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4585 		return QLA_SUCCESS;
4586 
4587 	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4588 		return QLA_SUCCESS;
4589 
4590 	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4591 	max_cnt = 0;
4592 	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4593 	if (rval != QLA_SUCCESS) {
4594 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4595 		    "Failed to get exlogin status.\n");
4596 		return rval;
4597 	}
4598 
4599 	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4600 	temp *= size;
4601 
4602 	if (temp != ha->exlogin_size) {
4603 		qla2x00_free_exlogin_buffer(ha);
4604 		ha->exlogin_size = temp;
4605 
4606 		ql_log(ql_log_info, vha, 0xd024,
4607 		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4608 		    max_cnt, size, temp);
4609 
4610 		ql_log(ql_log_info, vha, 0xd025,
4611 		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4612 
4613 		/* Get consistent memory for extended logins */
4614 		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4615 			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4616 		if (!ha->exlogin_buf) {
4617 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4618 		    "Failed to allocate memory for exlogin_buf_dma.\n");
4619 			return -ENOMEM;
4620 		}
4621 	}
4622 
4623 	/* Now configure the dma buffer */
4624 	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4625 	if (rval) {
4626 		ql_log(ql_log_fatal, vha, 0xd033,
4627 		    "Setup extended login buffer  ****FAILED****.\n");
4628 		qla2x00_free_exlogin_buffer(ha);
4629 	}
4630 
4631 	return rval;
4632 }
4633 
4634 /*
4635 * qla2x00_free_exlogin_buffer
4636 *
4637 * Input:
4638 *	ha = adapter block pointer
4639 */
4640 void
4641 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4642 {
4643 	if (ha->exlogin_buf) {
4644 		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4645 		    ha->exlogin_buf, ha->exlogin_buf_dma);
4646 		ha->exlogin_buf = NULL;
4647 		ha->exlogin_size = 0;
4648 	}
4649 }
4650 
4651 static void
4652 qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4653 {
4654 	u32 temp;
4655 	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4656 	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4657 
4658 	if (max_cnt > vha->hw->max_exchg)
4659 		max_cnt = vha->hw->max_exchg;
4660 
4661 	if (qla_ini_mode_enabled(vha)) {
4662 		if (vha->ql2xiniexchg > max_cnt)
4663 			vha->ql2xiniexchg = max_cnt;
4664 
4665 		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4666 			*ret_cnt = vha->ql2xiniexchg;
4667 
4668 	} else if (qla_tgt_mode_enabled(vha)) {
4669 		if (vha->ql2xexchoffld > max_cnt) {
4670 			vha->ql2xexchoffld = max_cnt;
4671 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4672 		}
4673 
4674 		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4675 			*ret_cnt = vha->ql2xexchoffld;
4676 	} else if (qla_dual_mode_enabled(vha)) {
4677 		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4678 		if (temp > max_cnt) {
4679 			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4680 			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4681 			temp = max_cnt;
4682 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4683 		}
4684 
4685 		if (temp > FW_DEF_EXCHANGES_CNT)
4686 			*ret_cnt = temp;
4687 	}
4688 }
4689 
4690 int
4691 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4692 {
4693 	int rval;
4694 	u16	size, max_cnt;
4695 	u32 actual_cnt, totsz;
4696 	struct qla_hw_data *ha = vha->hw;
4697 
4698 	if (!ha->flags.exchoffld_enabled)
4699 		return QLA_SUCCESS;
4700 
4701 	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4702 		return QLA_SUCCESS;
4703 
4704 	max_cnt = 0;
4705 	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4706 	if (rval != QLA_SUCCESS) {
4707 		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4708 		    "Failed to get exlogin status.\n");
4709 		return rval;
4710 	}
4711 
4712 	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4713 	ql_log(ql_log_info, vha, 0xd014,
4714 	    "Actual exchange offload count: %d.\n", actual_cnt);
4715 
4716 	totsz = actual_cnt * size;
4717 
4718 	if (totsz != ha->exchoffld_size) {
4719 		qla2x00_free_exchoffld_buffer(ha);
4720 		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4721 			ha->exchoffld_size = 0;
4722 			ha->flags.exchoffld_enabled = 0;
4723 			return QLA_SUCCESS;
4724 		}
4725 
4726 		ha->exchoffld_size = totsz;
4727 
4728 		ql_log(ql_log_info, vha, 0xd016,
4729 		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4730 		    max_cnt, actual_cnt, size, totsz);
4731 
4732 		ql_log(ql_log_info, vha, 0xd017,
4733 		    "Exchange Buffers requested size = 0x%x\n",
4734 		    ha->exchoffld_size);
4735 
4736 		/* Get consistent memory for extended logins */
4737 		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4738 			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4739 		if (!ha->exchoffld_buf) {
4740 			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4741 			"Failed to allocate memory for Exchange Offload.\n");
4742 
4743 			if (ha->max_exchg >
4744 			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4745 				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4746 			} else if (ha->max_exchg >
4747 			    (FW_DEF_EXCHANGES_CNT + 512)) {
4748 				ha->max_exchg -= 512;
4749 			} else {
4750 				ha->flags.exchoffld_enabled = 0;
4751 				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4752 				    "Disabling Exchange offload due to lack of memory\n");
4753 			}
4754 			ha->exchoffld_size = 0;
4755 
4756 			return -ENOMEM;
4757 		}
4758 	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4759 		/* pathological case */
4760 		qla2x00_free_exchoffld_buffer(ha);
4761 		ha->exchoffld_size = 0;
4762 		ha->flags.exchoffld_enabled = 0;
4763 		ql_log(ql_log_info, vha, 0xd016,
4764 		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4765 		    ha->exchoffld_size, actual_cnt, size, totsz);
4766 		return 0;
4767 	}
4768 
4769 	/* Now configure the dma buffer */
4770 	rval = qla_set_exchoffld_mem_cfg(vha);
4771 	if (rval) {
4772 		ql_log(ql_log_fatal, vha, 0xd02e,
4773 		    "Setup exchange offload buffer ****FAILED****.\n");
4774 		qla2x00_free_exchoffld_buffer(ha);
4775 	} else {
4776 		/* re-adjust number of target exchange */
4777 		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4778 
4779 		if (qla_ini_mode_enabled(vha))
4780 			icb->exchange_count = 0;
4781 		else
4782 			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4783 	}
4784 
4785 	return rval;
4786 }
4787 
4788 /*
4789 * qla2x00_free_exchoffld_buffer
4790 *
4791 * Input:
4792 *	ha = adapter block pointer
4793 */
4794 void
4795 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4796 {
4797 	if (ha->exchoffld_buf) {
4798 		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4799 		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4800 		ha->exchoffld_buf = NULL;
4801 		ha->exchoffld_size = 0;
4802 	}
4803 }
4804 
4805 /*
4806 * qla2x00_free_fw_dump
4807 *	Frees fw dump stuff.
4808 *
4809 * Input:
4810 *	ha = adapter block pointer
4811 */
4812 static void
4813 qla2x00_free_fw_dump(struct qla_hw_data *ha)
4814 {
4815 	struct fwdt *fwdt = ha->fwdt;
4816 	uint j;
4817 
4818 	if (ha->fce)
4819 		dma_free_coherent(&ha->pdev->dev,
4820 		    FCE_SIZE, ha->fce, ha->fce_dma);
4821 
4822 	if (ha->eft)
4823 		dma_free_coherent(&ha->pdev->dev,
4824 		    EFT_SIZE, ha->eft, ha->eft_dma);
4825 
4826 	vfree(ha->fw_dump);
4827 
4828 	ha->fce = NULL;
4829 	ha->fce_dma = 0;
4830 	ha->flags.fce_enabled = 0;
4831 	ha->eft = NULL;
4832 	ha->eft_dma = 0;
4833 	ha->fw_dumped = false;
4834 	ha->fw_dump_cap_flags = 0;
4835 	ha->fw_dump_reading = 0;
4836 	ha->fw_dump = NULL;
4837 	ha->fw_dump_len = 0;
4838 
4839 	for (j = 0; j < 2; j++, fwdt++) {
4840 		vfree(fwdt->template);
4841 		fwdt->template = NULL;
4842 		fwdt->length = 0;
4843 	}
4844 }
4845 
4846 /*
4847 * qla2x00_mem_free
4848 *      Frees all adapter allocated memory.
4849 *
4850 * Input:
4851 *      ha = adapter block pointer.
4852 */
4853 static void
4854 qla2x00_mem_free(struct qla_hw_data *ha)
4855 {
4856 	qla2x00_free_fw_dump(ha);
4857 
4858 	if (ha->mctp_dump)
4859 		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4860 		    ha->mctp_dump_dma);
4861 	ha->mctp_dump = NULL;
4862 
4863 	mempool_destroy(ha->srb_mempool);
4864 	ha->srb_mempool = NULL;
4865 
4866 	if (ha->dcbx_tlv)
4867 		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4868 		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4869 	ha->dcbx_tlv = NULL;
4870 
4871 	if (ha->xgmac_data)
4872 		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4873 		    ha->xgmac_data, ha->xgmac_data_dma);
4874 	ha->xgmac_data = NULL;
4875 
4876 	if (ha->sns_cmd)
4877 		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4878 		ha->sns_cmd, ha->sns_cmd_dma);
4879 	ha->sns_cmd = NULL;
4880 	ha->sns_cmd_dma = 0;
4881 
4882 	if (ha->ct_sns)
4883 		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4884 		ha->ct_sns, ha->ct_sns_dma);
4885 	ha->ct_sns = NULL;
4886 	ha->ct_sns_dma = 0;
4887 
4888 	if (ha->sfp_data)
4889 		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4890 		    ha->sfp_data_dma);
4891 	ha->sfp_data = NULL;
4892 
4893 	if (ha->flt)
4894 		dma_free_coherent(&ha->pdev->dev,
4895 		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4896 		    ha->flt, ha->flt_dma);
4897 	ha->flt = NULL;
4898 	ha->flt_dma = 0;
4899 
4900 	if (ha->ms_iocb)
4901 		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4902 	ha->ms_iocb = NULL;
4903 	ha->ms_iocb_dma = 0;
4904 
4905 	if (ha->sf_init_cb)
4906 		dma_pool_free(ha->s_dma_pool,
4907 			      ha->sf_init_cb, ha->sf_init_cb_dma);
4908 
4909 	if (ha->ex_init_cb)
4910 		dma_pool_free(ha->s_dma_pool,
4911 			ha->ex_init_cb, ha->ex_init_cb_dma);
4912 	ha->ex_init_cb = NULL;
4913 	ha->ex_init_cb_dma = 0;
4914 
4915 	if (ha->async_pd)
4916 		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4917 	ha->async_pd = NULL;
4918 	ha->async_pd_dma = 0;
4919 
4920 	dma_pool_destroy(ha->s_dma_pool);
4921 	ha->s_dma_pool = NULL;
4922 
4923 	if (ha->gid_list)
4924 		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4925 		ha->gid_list, ha->gid_list_dma);
4926 	ha->gid_list = NULL;
4927 	ha->gid_list_dma = 0;
4928 
4929 	if (IS_QLA82XX(ha)) {
4930 		if (!list_empty(&ha->gbl_dsd_list)) {
4931 			struct dsd_dma *dsd_ptr, *tdsd_ptr;
4932 
4933 			/* clean up allocated prev pool */
4934 			list_for_each_entry_safe(dsd_ptr,
4935 				tdsd_ptr, &ha->gbl_dsd_list, list) {
4936 				dma_pool_free(ha->dl_dma_pool,
4937 				dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
4938 				list_del(&dsd_ptr->list);
4939 				kfree(dsd_ptr);
4940 			}
4941 		}
4942 	}
4943 
4944 	dma_pool_destroy(ha->dl_dma_pool);
4945 	ha->dl_dma_pool = NULL;
4946 
4947 	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4948 	ha->fcp_cmnd_dma_pool = NULL;
4949 
4950 	mempool_destroy(ha->ctx_mempool);
4951 	ha->ctx_mempool = NULL;
4952 
4953 	if (ql2xenabledif && ha->dif_bundl_pool) {
4954 		struct dsd_dma *dsd, *nxt;
4955 
4956 		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4957 					 list) {
4958 			list_del(&dsd->list);
4959 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4960 				      dsd->dsd_list_dma);
4961 			ha->dif_bundle_dma_allocs--;
4962 			kfree(dsd);
4963 			ha->dif_bundle_kallocs--;
4964 			ha->pool.unusable.count--;
4965 		}
4966 		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
4967 			list_del(&dsd->list);
4968 			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4969 				      dsd->dsd_list_dma);
4970 			ha->dif_bundle_dma_allocs--;
4971 			kfree(dsd);
4972 			ha->dif_bundle_kallocs--;
4973 		}
4974 	}
4975 
4976 	dma_pool_destroy(ha->dif_bundl_pool);
4977 	ha->dif_bundl_pool = NULL;
4978 
4979 	qlt_mem_free(ha);
4980 	qla_remove_hostmap(ha);
4981 
4982 	if (ha->init_cb)
4983 		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
4984 			ha->init_cb, ha->init_cb_dma);
4985 
4986 	dma_pool_destroy(ha->purex_dma_pool);
4987 	ha->purex_dma_pool = NULL;
4988 
4989 	if (ha->elsrej.c) {
4990 		dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
4991 		    ha->elsrej.c, ha->elsrej.cdma);
4992 		ha->elsrej.c = NULL;
4993 	}
4994 
4995 	ha->init_cb = NULL;
4996 	ha->init_cb_dma = 0;
4997 
4998 	vfree(ha->optrom_buffer);
4999 	ha->optrom_buffer = NULL;
5000 	kfree(ha->nvram);
5001 	ha->nvram = NULL;
5002 	kfree(ha->npiv_info);
5003 	ha->npiv_info = NULL;
5004 	kfree(ha->swl);
5005 	ha->swl = NULL;
5006 	kfree(ha->loop_id_map);
5007 	ha->sf_init_cb = NULL;
5008 	ha->sf_init_cb_dma = 0;
5009 	ha->loop_id_map = NULL;
5010 
5011 	kfree(ha->vp_map);
5012 	ha->vp_map = NULL;
5013 }
5014 
5015 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
5016 						struct qla_hw_data *ha)
5017 {
5018 	struct Scsi_Host *host;
5019 	struct scsi_qla_host *vha = NULL;
5020 
5021 	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
5022 	if (!host) {
5023 		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
5024 		    "Failed to allocate host from the scsi layer, aborting.\n");
5025 		return NULL;
5026 	}
5027 
5028 	/* Clear our data area */
5029 	vha = shost_priv(host);
5030 	memset(vha, 0, sizeof(scsi_qla_host_t));
5031 
5032 	vha->host = host;
5033 	vha->host_no = host->host_no;
5034 	vha->hw = ha;
5035 
5036 	vha->qlini_mode = ql2x_ini_mode;
5037 	vha->ql2xexchoffld = ql2xexchoffld;
5038 	vha->ql2xiniexchg = ql2xiniexchg;
5039 
5040 	INIT_LIST_HEAD(&vha->vp_fcports);
5041 	INIT_LIST_HEAD(&vha->work_list);
5042 	INIT_LIST_HEAD(&vha->list);
5043 	INIT_LIST_HEAD(&vha->qla_cmd_list);
5044 	INIT_LIST_HEAD(&vha->logo_list);
5045 	INIT_LIST_HEAD(&vha->plogi_ack_list);
5046 	INIT_LIST_HEAD(&vha->qp_list);
5047 	INIT_LIST_HEAD(&vha->gnl.fcports);
5048 	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
5049 
5050 	INIT_LIST_HEAD(&vha->purex_list.head);
5051 	spin_lock_init(&vha->purex_list.lock);
5052 
5053 	spin_lock_init(&vha->work_lock);
5054 	spin_lock_init(&vha->cmd_list_lock);
5055 	init_waitqueue_head(&vha->fcport_waitQ);
5056 	init_waitqueue_head(&vha->vref_waitq);
5057 	qla_enode_init(vha);
5058 	qla_edb_init(vha);
5059 
5060 
5061 	vha->gnl.size = sizeof(struct get_name_list_extended) *
5062 			(ha->max_loop_id + 1);
5063 	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
5064 	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
5065 	if (!vha->gnl.l) {
5066 		ql_log(ql_log_fatal, vha, 0xd04a,
5067 		    "Alloc failed for name list.\n");
5068 		scsi_host_put(vha->host);
5069 		return NULL;
5070 	}
5071 
5072 	/* todo: what about ext login? */
5073 	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
5074 	vha->scan.l = vmalloc(vha->scan.size);
5075 	if (!vha->scan.l) {
5076 		ql_log(ql_log_fatal, vha, 0xd04a,
5077 		    "Alloc failed for scan database.\n");
5078 		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
5079 		    vha->gnl.l, vha->gnl.ldma);
5080 		vha->gnl.l = NULL;
5081 		scsi_host_put(vha->host);
5082 		return NULL;
5083 	}
5084 	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
5085 
5086 	sprintf(vha->host_str, "%s_%lu", QLA2XXX_DRIVER_NAME, vha->host_no);
5087 	ql_dbg(ql_dbg_init, vha, 0x0041,
5088 	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
5089 	    vha->host, vha->hw, vha,
5090 	    dev_name(&(ha->pdev->dev)));
5091 
5092 	return vha;
5093 }
5094 
5095 struct qla_work_evt *
5096 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
5097 {
5098 	struct qla_work_evt *e;
5099 
5100 	if (test_bit(UNLOADING, &vha->dpc_flags))
5101 		return NULL;
5102 
5103 	if (qla_vha_mark_busy(vha))
5104 		return NULL;
5105 
5106 	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
5107 	if (!e) {
5108 		QLA_VHA_MARK_NOT_BUSY(vha);
5109 		return NULL;
5110 	}
5111 
5112 	INIT_LIST_HEAD(&e->list);
5113 	e->type = type;
5114 	e->flags = QLA_EVT_FLAG_FREE;
5115 	return e;
5116 }
5117 
5118 int
5119 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
5120 {
5121 	unsigned long flags;
5122 	bool q = false;
5123 
5124 	spin_lock_irqsave(&vha->work_lock, flags);
5125 	list_add_tail(&e->list, &vha->work_list);
5126 
5127 	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
5128 		q = true;
5129 
5130 	spin_unlock_irqrestore(&vha->work_lock, flags);
5131 
5132 	if (q)
5133 		queue_work(vha->hw->wq, &vha->iocb_work);
5134 
5135 	return QLA_SUCCESS;
5136 }
5137 
5138 int
5139 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
5140     u32 data)
5141 {
5142 	struct qla_work_evt *e;
5143 
5144 	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
5145 	if (!e)
5146 		return QLA_FUNCTION_FAILED;
5147 
5148 	e->u.aen.code = code;
5149 	e->u.aen.data = data;
5150 	return qla2x00_post_work(vha, e);
5151 }
5152 
5153 int
5154 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
5155 {
5156 	struct qla_work_evt *e;
5157 
5158 	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
5159 	if (!e)
5160 		return QLA_FUNCTION_FAILED;
5161 
5162 	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
5163 	return qla2x00_post_work(vha, e);
5164 }
5165 
5166 #define qla2x00_post_async_work(name, type)	\
5167 int qla2x00_post_async_##name##_work(		\
5168     struct scsi_qla_host *vha,			\
5169     fc_port_t *fcport, uint16_t *data)		\
5170 {						\
5171 	struct qla_work_evt *e;			\
5172 						\
5173 	e = qla2x00_alloc_work(vha, type);	\
5174 	if (!e)					\
5175 		return QLA_FUNCTION_FAILED;	\
5176 						\
5177 	e->u.logio.fcport = fcport;		\
5178 	if (data) {				\
5179 		e->u.logio.data[0] = data[0];	\
5180 		e->u.logio.data[1] = data[1];	\
5181 	}					\
5182 	fcport->flags |= FCF_ASYNC_ACTIVE;	\
5183 	return qla2x00_post_work(vha, e);	\
5184 }
5185 
5186 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
5187 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
5188 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
5189 qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
5190 qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
5191 
5192 int
5193 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
5194 {
5195 	struct qla_work_evt *e;
5196 
5197 	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
5198 	if (!e)
5199 		return QLA_FUNCTION_FAILED;
5200 
5201 	e->u.uevent.code = code;
5202 	return qla2x00_post_work(vha, e);
5203 }
5204 
5205 static void
5206 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5207 {
5208 	char event_string[40];
5209 	char *envp[] = { event_string, NULL };
5210 
5211 	switch (code) {
5212 	case QLA_UEVENT_CODE_FW_DUMP:
5213 		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5214 		    vha->host_no);
5215 		break;
5216 	default:
5217 		/* do nothing */
5218 		break;
5219 	}
5220 	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5221 }
5222 
5223 int
5224 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5225 			uint32_t *data, int cnt)
5226 {
5227 	struct qla_work_evt *e;
5228 
5229 	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5230 	if (!e)
5231 		return QLA_FUNCTION_FAILED;
5232 
5233 	e->u.aenfx.evtcode = evtcode;
5234 	e->u.aenfx.count = cnt;
5235 	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5236 	return qla2x00_post_work(vha, e);
5237 }
5238 
5239 void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5240 {
5241 	unsigned long flags;
5242 
5243 	if (IS_SW_RESV_ADDR(fcport->d_id))
5244 		return;
5245 
5246 	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5247 	if (fcport->disc_state == DSC_UPD_FCPORT) {
5248 		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5249 		return;
5250 	}
5251 	fcport->jiffies_at_registration = jiffies;
5252 	fcport->sec_since_registration = 0;
5253 	fcport->next_disc_state = DSC_DELETED;
5254 	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5255 	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5256 
5257 	queue_work(system_unbound_wq, &fcport->reg_work);
5258 }
5259 
5260 static
5261 void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5262 {
5263 	unsigned long flags;
5264 	fc_port_t *fcport =  NULL, *tfcp;
5265 	struct qlt_plogi_ack_t *pla =
5266 	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5267 	uint8_t free_fcport = 0;
5268 
5269 	ql_dbg(ql_dbg_disc, vha, 0xffff,
5270 	    "%s %d %8phC enter\n",
5271 	    __func__, __LINE__, e->u.new_sess.port_name);
5272 
5273 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5274 	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5275 	if (fcport) {
5276 		fcport->d_id = e->u.new_sess.id;
5277 		if (pla) {
5278 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5279 			memcpy(fcport->node_name,
5280 			    pla->iocb.u.isp24.u.plogi.node_name,
5281 			    WWN_SIZE);
5282 			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5283 			/* we took an extra ref_count to prevent PLOGI ACK when
5284 			 * fcport/sess has not been created.
5285 			 */
5286 			pla->ref_count--;
5287 		}
5288 	} else {
5289 		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5290 		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5291 		if (fcport) {
5292 			fcport->d_id = e->u.new_sess.id;
5293 			fcport->flags |= FCF_FABRIC_DEVICE;
5294 			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5295 			fcport->tgt_short_link_down_cnt = 0;
5296 
5297 			memcpy(fcport->port_name, e->u.new_sess.port_name,
5298 			    WWN_SIZE);
5299 
5300 			fcport->fc4_type = e->u.new_sess.fc4_type;
5301 			if (NVME_PRIORITY(vha->hw, fcport))
5302 				fcport->do_prli_nvme = 1;
5303 			else
5304 				fcport->do_prli_nvme = 0;
5305 
5306 			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5307 				fcport->dm_login_expire = jiffies +
5308 					QLA_N2N_WAIT_TIME * HZ;
5309 				fcport->fc4_type = FS_FC4TYPE_FCP;
5310 				fcport->n2n_flag = 1;
5311 				if (vha->flags.nvme_enabled)
5312 					fcport->fc4_type |= FS_FC4TYPE_NVME;
5313 			}
5314 
5315 		} else {
5316 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5317 				   "%s %8phC mem alloc fail.\n",
5318 				   __func__, e->u.new_sess.port_name);
5319 
5320 			if (pla) {
5321 				list_del(&pla->list);
5322 				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5323 			}
5324 			return;
5325 		}
5326 
5327 		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5328 		/* search again to make sure no one else got ahead */
5329 		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5330 		    e->u.new_sess.port_name, 1);
5331 		if (tfcp) {
5332 			/* should rarily happen */
5333 			ql_dbg(ql_dbg_disc, vha, 0xffff,
5334 			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5335 			    __func__, tfcp->port_name, tfcp->disc_state,
5336 			    tfcp->fw_login_state);
5337 
5338 			free_fcport = 1;
5339 		} else {
5340 			list_add_tail(&fcport->list, &vha->vp_fcports);
5341 
5342 		}
5343 		if (pla) {
5344 			qlt_plogi_ack_link(vha, pla, fcport,
5345 			    QLT_PLOGI_LINK_SAME_WWN);
5346 			pla->ref_count--;
5347 		}
5348 	}
5349 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5350 
5351 	if (fcport) {
5352 		fcport->id_changed = 1;
5353 		fcport->scan_state = QLA_FCPORT_FOUND;
5354 		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5355 		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5356 
5357 		if (pla) {
5358 			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5359 				u16 wd3_lo;
5360 
5361 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5362 				fcport->local = 0;
5363 				fcport->loop_id =
5364 					le16_to_cpu(
5365 					    pla->iocb.u.isp24.nport_handle);
5366 				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5367 				wd3_lo =
5368 				    le16_to_cpu(
5369 					pla->iocb.u.isp24.u.prli.wd3_lo);
5370 
5371 				if (wd3_lo & BIT_7)
5372 					fcport->conf_compl_supported = 1;
5373 
5374 				if ((wd3_lo & BIT_4) == 0)
5375 					fcport->port_type = FCT_INITIATOR;
5376 				else
5377 					fcport->port_type = FCT_TARGET;
5378 			}
5379 			qlt_plogi_ack_unref(vha, pla);
5380 		} else {
5381 			fc_port_t *dfcp = NULL;
5382 
5383 			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5384 			tfcp = qla2x00_find_fcport_by_nportid(vha,
5385 			    &e->u.new_sess.id, 1);
5386 			if (tfcp && (tfcp != fcport)) {
5387 				/*
5388 				 * We have a conflict fcport with same NportID.
5389 				 */
5390 				ql_dbg(ql_dbg_disc, vha, 0xffff,
5391 				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5392 				    __func__, tfcp->port_name, tfcp->disc_state,
5393 				    tfcp->fw_login_state);
5394 
5395 				switch (tfcp->disc_state) {
5396 				case DSC_DELETED:
5397 					break;
5398 				case DSC_DELETE_PEND:
5399 					fcport->login_pause = 1;
5400 					tfcp->conflict = fcport;
5401 					break;
5402 				default:
5403 					fcport->login_pause = 1;
5404 					tfcp->conflict = fcport;
5405 					dfcp = tfcp;
5406 					break;
5407 				}
5408 			}
5409 			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5410 			if (dfcp)
5411 				qlt_schedule_sess_for_deletion(tfcp);
5412 
5413 			if (N2N_TOPO(vha->hw)) {
5414 				fcport->flags &= ~FCF_FABRIC_DEVICE;
5415 				fcport->keep_nport_handle = 1;
5416 				if (vha->flags.nvme_enabled) {
5417 					fcport->fc4_type =
5418 					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5419 					fcport->n2n_flag = 1;
5420 				}
5421 				fcport->fw_login_state = 0;
5422 
5423 				schedule_delayed_work(&vha->scan.scan_work, 5);
5424 			} else {
5425 				qla24xx_fcport_handle_login(vha, fcport);
5426 			}
5427 		}
5428 	}
5429 
5430 	if (free_fcport) {
5431 		qla2x00_free_fcport(fcport);
5432 		if (pla) {
5433 			list_del(&pla->list);
5434 			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5435 		}
5436 	}
5437 }
5438 
5439 static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5440 {
5441 	struct srb *sp = e->u.iosb.sp;
5442 	int rval;
5443 
5444 	rval = qla2x00_start_sp(sp);
5445 	if (rval != QLA_SUCCESS) {
5446 		ql_dbg(ql_dbg_disc, vha, 0x2043,
5447 		    "%s: %s: Re-issue IOCB failed (%d).\n",
5448 		    __func__, sp->name, rval);
5449 		qla24xx_sp_unmap(vha, sp);
5450 	}
5451 }
5452 
5453 void
5454 qla2x00_do_work(struct scsi_qla_host *vha)
5455 {
5456 	struct qla_work_evt *e, *tmp;
5457 	unsigned long flags;
5458 	LIST_HEAD(work);
5459 	int rc;
5460 
5461 	spin_lock_irqsave(&vha->work_lock, flags);
5462 	list_splice_init(&vha->work_list, &work);
5463 	spin_unlock_irqrestore(&vha->work_lock, flags);
5464 
5465 	list_for_each_entry_safe(e, tmp, &work, list) {
5466 		rc = QLA_SUCCESS;
5467 		switch (e->type) {
5468 		case QLA_EVT_AEN:
5469 			fc_host_post_event(vha->host, fc_get_event_number(),
5470 			    e->u.aen.code, e->u.aen.data);
5471 			break;
5472 		case QLA_EVT_IDC_ACK:
5473 			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5474 			break;
5475 		case QLA_EVT_ASYNC_LOGIN:
5476 			qla2x00_async_login(vha, e->u.logio.fcport,
5477 			    e->u.logio.data);
5478 			break;
5479 		case QLA_EVT_ASYNC_LOGOUT:
5480 			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5481 			break;
5482 		case QLA_EVT_ASYNC_ADISC:
5483 			qla2x00_async_adisc(vha, e->u.logio.fcport,
5484 			    e->u.logio.data);
5485 			break;
5486 		case QLA_EVT_UEVENT:
5487 			qla2x00_uevent_emit(vha, e->u.uevent.code);
5488 			break;
5489 		case QLA_EVT_AENFX:
5490 			qlafx00_process_aen(vha, e);
5491 			break;
5492 		case QLA_EVT_UNMAP:
5493 			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5494 			break;
5495 		case QLA_EVT_RELOGIN:
5496 			qla2x00_relogin(vha);
5497 			break;
5498 		case QLA_EVT_NEW_SESS:
5499 			qla24xx_create_new_sess(vha, e);
5500 			break;
5501 		case QLA_EVT_GPDB:
5502 			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5503 			    e->u.fcport.opt);
5504 			break;
5505 		case QLA_EVT_PRLI:
5506 			qla24xx_async_prli(vha, e->u.fcport.fcport);
5507 			break;
5508 		case QLA_EVT_GPSC:
5509 			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5510 			break;
5511 		case QLA_EVT_GNL:
5512 			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5513 			break;
5514 		case QLA_EVT_NACK:
5515 			qla24xx_do_nack_work(vha, e);
5516 			break;
5517 		case QLA_EVT_ASYNC_PRLO:
5518 			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5519 			break;
5520 		case QLA_EVT_ASYNC_PRLO_DONE:
5521 			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5522 			    e->u.logio.data);
5523 			break;
5524 		case QLA_EVT_GPNFT:
5525 			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5526 			    e->u.gpnft.sp);
5527 			break;
5528 		case QLA_EVT_GPNFT_DONE:
5529 			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5530 			break;
5531 		case QLA_EVT_GNNFT_DONE:
5532 			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5533 			break;
5534 		case QLA_EVT_GFPNID:
5535 			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5536 			break;
5537 		case QLA_EVT_SP_RETRY:
5538 			qla_sp_retry(vha, e);
5539 			break;
5540 		case QLA_EVT_IIDMA:
5541 			qla_do_iidma_work(vha, e->u.fcport.fcport);
5542 			break;
5543 		case QLA_EVT_ELS_PLOGI:
5544 			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5545 			    e->u.fcport.fcport, false);
5546 			break;
5547 		case QLA_EVT_SA_REPLACE:
5548 			rc = qla24xx_issue_sa_replace_iocb(vha, e);
5549 			break;
5550 		}
5551 
5552 		if (rc == EAGAIN) {
5553 			/* put 'work' at head of 'vha->work_list' */
5554 			spin_lock_irqsave(&vha->work_lock, flags);
5555 			list_splice(&work, &vha->work_list);
5556 			spin_unlock_irqrestore(&vha->work_lock, flags);
5557 			break;
5558 		}
5559 		list_del_init(&e->list);
5560 		if (e->flags & QLA_EVT_FLAG_FREE)
5561 			kfree(e);
5562 
5563 		/* For each work completed decrement vha ref count */
5564 		QLA_VHA_MARK_NOT_BUSY(vha);
5565 	}
5566 }
5567 
5568 int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5569 {
5570 	struct qla_work_evt *e;
5571 
5572 	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5573 
5574 	if (!e) {
5575 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5576 		return QLA_FUNCTION_FAILED;
5577 	}
5578 
5579 	return qla2x00_post_work(vha, e);
5580 }
5581 
5582 /* Relogins all the fcports of a vport
5583  * Context: dpc thread
5584  */
5585 void qla2x00_relogin(struct scsi_qla_host *vha)
5586 {
5587 	fc_port_t       *fcport;
5588 	int status, relogin_needed = 0;
5589 	struct event_arg ea;
5590 
5591 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5592 		/*
5593 		 * If the port is not ONLINE then try to login
5594 		 * to it if we haven't run out of retries.
5595 		 */
5596 		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5597 		    fcport->login_retry) {
5598 			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5599 			    fcport->disc_state == DSC_LOGIN_AUTH_PEND ||
5600 			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5601 				continue;
5602 
5603 			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5604 				fcport->disc_state == DSC_DELETE_PEND) {
5605 				relogin_needed = 1;
5606 			} else {
5607 				if (vha->hw->current_topology != ISP_CFG_NL) {
5608 					memset(&ea, 0, sizeof(ea));
5609 					ea.fcport = fcport;
5610 					qla24xx_handle_relogin_event(vha, &ea);
5611 				} else if (vha->hw->current_topology ==
5612 					 ISP_CFG_NL &&
5613 					IS_QLA2XXX_MIDTYPE(vha->hw)) {
5614 					(void)qla24xx_fcport_handle_login(vha,
5615 									fcport);
5616 				} else if (vha->hw->current_topology ==
5617 				    ISP_CFG_NL) {
5618 					fcport->login_retry--;
5619 					status =
5620 					    qla2x00_local_device_login(vha,
5621 						fcport);
5622 					if (status == QLA_SUCCESS) {
5623 						fcport->old_loop_id =
5624 						    fcport->loop_id;
5625 						ql_dbg(ql_dbg_disc, vha, 0x2003,
5626 						    "Port login OK: logged in ID 0x%x.\n",
5627 						    fcport->loop_id);
5628 						qla2x00_update_fcport
5629 							(vha, fcport);
5630 					} else if (status == 1) {
5631 						set_bit(RELOGIN_NEEDED,
5632 						    &vha->dpc_flags);
5633 						/* retry the login again */
5634 						ql_dbg(ql_dbg_disc, vha, 0x2007,
5635 						    "Retrying %d login again loop_id 0x%x.\n",
5636 						    fcport->login_retry,
5637 						    fcport->loop_id);
5638 					} else {
5639 						fcport->login_retry = 0;
5640 					}
5641 
5642 					if (fcport->login_retry == 0 &&
5643 					    status != QLA_SUCCESS)
5644 						qla2x00_clear_loop_id(fcport);
5645 				}
5646 			}
5647 		}
5648 		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5649 			break;
5650 	}
5651 
5652 	if (relogin_needed)
5653 		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5654 
5655 	ql_dbg(ql_dbg_disc, vha, 0x400e,
5656 	    "Relogin end.\n");
5657 }
5658 
5659 /* Schedule work on any of the dpc-workqueues */
5660 void
5661 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5662 {
5663 	struct qla_hw_data *ha = base_vha->hw;
5664 
5665 	switch (work_code) {
5666 	case MBA_IDC_AEN: /* 0x8200 */
5667 		if (ha->dpc_lp_wq)
5668 			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5669 		break;
5670 
5671 	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5672 		if (!ha->flags.nic_core_reset_hdlr_active) {
5673 			if (ha->dpc_hp_wq)
5674 				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5675 		} else
5676 			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5677 			    "NIC Core reset is already active. Skip "
5678 			    "scheduling it again.\n");
5679 		break;
5680 	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5681 		if (ha->dpc_hp_wq)
5682 			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5683 		break;
5684 	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5685 		if (ha->dpc_hp_wq)
5686 			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5687 		break;
5688 	default:
5689 		ql_log(ql_log_warn, base_vha, 0xb05f,
5690 		    "Unknown work-code=0x%x.\n", work_code);
5691 	}
5692 
5693 	return;
5694 }
5695 
5696 /* Work: Perform NIC Core Unrecoverable state handling */
5697 void
5698 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5699 {
5700 	struct qla_hw_data *ha =
5701 		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5702 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5703 	uint32_t dev_state = 0;
5704 
5705 	qla83xx_idc_lock(base_vha, 0);
5706 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5707 	qla83xx_reset_ownership(base_vha);
5708 	if (ha->flags.nic_core_reset_owner) {
5709 		ha->flags.nic_core_reset_owner = 0;
5710 		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5711 		    QLA8XXX_DEV_FAILED);
5712 		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5713 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5714 	}
5715 	qla83xx_idc_unlock(base_vha, 0);
5716 }
5717 
5718 /* Work: Execute IDC state handler */
5719 void
5720 qla83xx_idc_state_handler_work(struct work_struct *work)
5721 {
5722 	struct qla_hw_data *ha =
5723 		container_of(work, struct qla_hw_data, idc_state_handler);
5724 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5725 	uint32_t dev_state = 0;
5726 
5727 	qla83xx_idc_lock(base_vha, 0);
5728 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5729 	if (dev_state == QLA8XXX_DEV_FAILED ||
5730 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5731 		qla83xx_idc_state_handler(base_vha);
5732 	qla83xx_idc_unlock(base_vha, 0);
5733 }
5734 
5735 static int
5736 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5737 {
5738 	int rval = QLA_SUCCESS;
5739 	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5740 	uint32_t heart_beat_counter1, heart_beat_counter2;
5741 
5742 	do {
5743 		if (time_after(jiffies, heart_beat_wait)) {
5744 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5745 			    "Nic Core f/w is not alive.\n");
5746 			rval = QLA_FUNCTION_FAILED;
5747 			break;
5748 		}
5749 
5750 		qla83xx_idc_lock(base_vha, 0);
5751 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5752 		    &heart_beat_counter1);
5753 		qla83xx_idc_unlock(base_vha, 0);
5754 		msleep(100);
5755 		qla83xx_idc_lock(base_vha, 0);
5756 		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5757 		    &heart_beat_counter2);
5758 		qla83xx_idc_unlock(base_vha, 0);
5759 	} while (heart_beat_counter1 == heart_beat_counter2);
5760 
5761 	return rval;
5762 }
5763 
5764 /* Work: Perform NIC Core Reset handling */
5765 void
5766 qla83xx_nic_core_reset_work(struct work_struct *work)
5767 {
5768 	struct qla_hw_data *ha =
5769 		container_of(work, struct qla_hw_data, nic_core_reset);
5770 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5771 	uint32_t dev_state = 0;
5772 
5773 	if (IS_QLA2031(ha)) {
5774 		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5775 			ql_log(ql_log_warn, base_vha, 0xb081,
5776 			    "Failed to dump mctp\n");
5777 		return;
5778 	}
5779 
5780 	if (!ha->flags.nic_core_reset_hdlr_active) {
5781 		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5782 			qla83xx_idc_lock(base_vha, 0);
5783 			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5784 			    &dev_state);
5785 			qla83xx_idc_unlock(base_vha, 0);
5786 			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5787 				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5788 				    "Nic Core f/w is alive.\n");
5789 				return;
5790 			}
5791 		}
5792 
5793 		ha->flags.nic_core_reset_hdlr_active = 1;
5794 		if (qla83xx_nic_core_reset(base_vha)) {
5795 			/* NIC Core reset failed. */
5796 			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5797 			    "NIC Core reset failed.\n");
5798 		}
5799 		ha->flags.nic_core_reset_hdlr_active = 0;
5800 	}
5801 }
5802 
5803 /* Work: Handle 8200 IDC aens */
5804 void
5805 qla83xx_service_idc_aen(struct work_struct *work)
5806 {
5807 	struct qla_hw_data *ha =
5808 		container_of(work, struct qla_hw_data, idc_aen);
5809 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5810 	uint32_t dev_state, idc_control;
5811 
5812 	qla83xx_idc_lock(base_vha, 0);
5813 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5814 	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5815 	qla83xx_idc_unlock(base_vha, 0);
5816 	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5817 		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5818 			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5819 			    "Application requested NIC Core Reset.\n");
5820 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5821 		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5822 		    QLA_SUCCESS) {
5823 			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5824 			    "Other protocol driver requested NIC Core Reset.\n");
5825 			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5826 		}
5827 	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5828 			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5829 		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5830 	}
5831 }
5832 
5833 /*
5834  * Control the frequency of IDC lock retries
5835  */
5836 #define QLA83XX_WAIT_LOGIC_MS	100
5837 
5838 static int
5839 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5840 {
5841 	int rval;
5842 	uint32_t data;
5843 	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5844 	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5845 	struct qla_hw_data *ha = base_vha->hw;
5846 
5847 	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5848 	    "Trying force recovery of the IDC lock.\n");
5849 
5850 	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5851 	if (rval)
5852 		return rval;
5853 
5854 	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5855 		return QLA_SUCCESS;
5856 	} else {
5857 		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5858 		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5859 		    data);
5860 		if (rval)
5861 			return rval;
5862 
5863 		msleep(200);
5864 
5865 		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5866 		    &data);
5867 		if (rval)
5868 			return rval;
5869 
5870 		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5871 			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5872 					~(idc_lck_rcvry_stage_mask));
5873 			rval = qla83xx_wr_reg(base_vha,
5874 			    QLA83XX_IDC_LOCK_RECOVERY, data);
5875 			if (rval)
5876 				return rval;
5877 
5878 			/* Forcefully perform IDC UnLock */
5879 			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5880 			    &data);
5881 			if (rval)
5882 				return rval;
5883 			/* Clear lock-id by setting 0xff */
5884 			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5885 			    0xff);
5886 			if (rval)
5887 				return rval;
5888 			/* Clear lock-recovery by setting 0x0 */
5889 			rval = qla83xx_wr_reg(base_vha,
5890 			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5891 			if (rval)
5892 				return rval;
5893 		} else
5894 			return QLA_SUCCESS;
5895 	}
5896 
5897 	return rval;
5898 }
5899 
5900 static int
5901 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5902 {
5903 	int rval = QLA_SUCCESS;
5904 	uint32_t o_drv_lockid, n_drv_lockid;
5905 	unsigned long lock_recovery_timeout;
5906 
5907 	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5908 retry_lockid:
5909 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5910 	if (rval)
5911 		goto exit;
5912 
5913 	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5914 	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5915 		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5916 			return QLA_SUCCESS;
5917 		else
5918 			return QLA_FUNCTION_FAILED;
5919 	}
5920 
5921 	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5922 	if (rval)
5923 		goto exit;
5924 
5925 	if (o_drv_lockid == n_drv_lockid) {
5926 		msleep(QLA83XX_WAIT_LOGIC_MS);
5927 		goto retry_lockid;
5928 	} else
5929 		return QLA_SUCCESS;
5930 
5931 exit:
5932 	return rval;
5933 }
5934 
5935 /*
5936  * Context: task, can sleep
5937  */
5938 void
5939 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5940 {
5941 	uint32_t data;
5942 	uint32_t lock_owner;
5943 	struct qla_hw_data *ha = base_vha->hw;
5944 
5945 	might_sleep();
5946 
5947 	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5948 retry_lock:
5949 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5950 	    == QLA_SUCCESS) {
5951 		if (data) {
5952 			/* Setting lock-id to our function-number */
5953 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5954 			    ha->portnum);
5955 		} else {
5956 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5957 			    &lock_owner);
5958 			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5959 			    "Failed to acquire IDC lock, acquired by %d, "
5960 			    "retrying...\n", lock_owner);
5961 
5962 			/* Retry/Perform IDC-Lock recovery */
5963 			if (qla83xx_idc_lock_recovery(base_vha)
5964 			    == QLA_SUCCESS) {
5965 				msleep(QLA83XX_WAIT_LOGIC_MS);
5966 				goto retry_lock;
5967 			} else
5968 				ql_log(ql_log_warn, base_vha, 0xb075,
5969 				    "IDC Lock recovery FAILED.\n");
5970 		}
5971 
5972 	}
5973 
5974 	return;
5975 }
5976 
5977 static bool
5978 qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
5979 	struct purex_entry_24xx *purex)
5980 {
5981 	char fwstr[16];
5982 	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
5983 	struct port_database_24xx *pdb;
5984 
5985 	/* Domain Controller is always logged-out. */
5986 	/* if RDP request is not from Domain Controller: */
5987 	if (sid != 0xfffc01)
5988 		return false;
5989 
5990 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
5991 
5992 	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
5993 	if (!pdb) {
5994 		ql_dbg(ql_dbg_init, vha, 0x0181,
5995 		    "%s: Failed allocate pdb\n", __func__);
5996 	} else if (qla24xx_get_port_database(vha,
5997 				le16_to_cpu(purex->nport_handle), pdb)) {
5998 		ql_dbg(ql_dbg_init, vha, 0x0181,
5999 		    "%s: Failed get pdb sid=%x\n", __func__, sid);
6000 	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
6001 	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
6002 		ql_dbg(ql_dbg_init, vha, 0x0181,
6003 		    "%s: Port not logged in sid=%#x\n", __func__, sid);
6004 	} else {
6005 		/* RDP request is from logged in port */
6006 		kfree(pdb);
6007 		return false;
6008 	}
6009 	kfree(pdb);
6010 
6011 	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
6012 	fwstr[strcspn(fwstr, " ")] = 0;
6013 	/* if FW version allows RDP response length upto 2048 bytes: */
6014 	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
6015 		return false;
6016 
6017 	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
6018 
6019 	/* RDP response length is to be reduced to maximum 256 bytes */
6020 	return true;
6021 }
6022 
6023 /*
6024  * Function Name: qla24xx_process_purex_iocb
6025  *
6026  * Description:
6027  * Prepare a RDP response and send to Fabric switch
6028  *
6029  * PARAMETERS:
6030  * vha:	SCSI qla host
6031  * purex: RDP request received by HBA
6032  */
6033 void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
6034 			       struct purex_item *item)
6035 {
6036 	struct qla_hw_data *ha = vha->hw;
6037 	struct purex_entry_24xx *purex =
6038 	    (struct purex_entry_24xx *)&item->iocb;
6039 	dma_addr_t rsp_els_dma;
6040 	dma_addr_t rsp_payload_dma;
6041 	dma_addr_t stat_dma;
6042 	dma_addr_t sfp_dma;
6043 	struct els_entry_24xx *rsp_els = NULL;
6044 	struct rdp_rsp_payload *rsp_payload = NULL;
6045 	struct link_statistics *stat = NULL;
6046 	uint8_t *sfp = NULL;
6047 	uint16_t sfp_flags = 0;
6048 	uint rsp_payload_length = sizeof(*rsp_payload);
6049 	int rval;
6050 
6051 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
6052 	    "%s: Enter\n", __func__);
6053 
6054 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
6055 	    "-------- ELS REQ -------\n");
6056 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
6057 	    purex, sizeof(*purex));
6058 
6059 	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
6060 		rsp_payload_length =
6061 		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
6062 		ql_dbg(ql_dbg_init, vha, 0x0181,
6063 		    "Reducing RSP payload length to %u bytes...\n",
6064 		    rsp_payload_length);
6065 	}
6066 
6067 	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6068 	    &rsp_els_dma, GFP_KERNEL);
6069 	if (!rsp_els) {
6070 		ql_log(ql_log_warn, vha, 0x0183,
6071 		    "Failed allocate dma buffer ELS RSP.\n");
6072 		goto dealloc;
6073 	}
6074 
6075 	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6076 	    &rsp_payload_dma, GFP_KERNEL);
6077 	if (!rsp_payload) {
6078 		ql_log(ql_log_warn, vha, 0x0184,
6079 		    "Failed allocate dma buffer ELS RSP payload.\n");
6080 		goto dealloc;
6081 	}
6082 
6083 	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6084 	    &sfp_dma, GFP_KERNEL);
6085 
6086 	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
6087 	    &stat_dma, GFP_KERNEL);
6088 
6089 	/* Prepare Response IOCB */
6090 	rsp_els->entry_type = ELS_IOCB_TYPE;
6091 	rsp_els->entry_count = 1;
6092 	rsp_els->sys_define = 0;
6093 	rsp_els->entry_status = 0;
6094 	rsp_els->handle = 0;
6095 	rsp_els->nport_handle = purex->nport_handle;
6096 	rsp_els->tx_dsd_count = cpu_to_le16(1);
6097 	rsp_els->vp_index = purex->vp_idx;
6098 	rsp_els->sof_type = EST_SOFI3;
6099 	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
6100 	rsp_els->rx_dsd_count = 0;
6101 	rsp_els->opcode = purex->els_frame_payload[0];
6102 
6103 	rsp_els->d_id[0] = purex->s_id[0];
6104 	rsp_els->d_id[1] = purex->s_id[1];
6105 	rsp_els->d_id[2] = purex->s_id[2];
6106 
6107 	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
6108 	rsp_els->rx_byte_count = 0;
6109 	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
6110 
6111 	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
6112 	rsp_els->tx_len = rsp_els->tx_byte_count;
6113 
6114 	rsp_els->rx_address = 0;
6115 	rsp_els->rx_len = 0;
6116 
6117 	/* Prepare Response Payload */
6118 	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
6119 	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
6120 					   sizeof(rsp_payload->hdr));
6121 
6122 	/* Link service Request Info Descriptor */
6123 	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
6124 	rsp_payload->ls_req_info_desc.desc_len =
6125 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
6126 	rsp_payload->ls_req_info_desc.req_payload_word_0 =
6127 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6128 
6129 	/* Link service Request Info Descriptor 2 */
6130 	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
6131 	rsp_payload->ls_req_info_desc2.desc_len =
6132 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
6133 	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6134 	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6135 
6136 
6137 	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6138 	rsp_payload->sfp_diag_desc.desc_len =
6139 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6140 
6141 	if (sfp) {
6142 		/* SFP Flags */
6143 		memset(sfp, 0, SFP_RTDI_LEN);
6144 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6145 		if (!rval) {
6146 			/* SFP Flags bits 3-0: Port Tx Laser Type */
6147 			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6148 				sfp_flags |= BIT_0; /* short wave */
6149 			else if (sfp[0] & BIT_1)
6150 				sfp_flags |= BIT_1; /* long wave 1310nm */
6151 			else if (sfp[1] & BIT_4)
6152 				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6153 		}
6154 
6155 		/* SFP Type */
6156 		memset(sfp, 0, SFP_RTDI_LEN);
6157 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6158 		if (!rval) {
6159 			sfp_flags |= BIT_4; /* optical */
6160 			if (sfp[0] == 0x3)
6161 				sfp_flags |= BIT_6; /* sfp+ */
6162 		}
6163 
6164 		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6165 
6166 		/* SFP Diagnostics */
6167 		memset(sfp, 0, SFP_RTDI_LEN);
6168 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6169 		if (!rval) {
6170 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6171 			rsp_payload->sfp_diag_desc.temperature = trx[0];
6172 			rsp_payload->sfp_diag_desc.vcc = trx[1];
6173 			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6174 			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6175 			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6176 		}
6177 	}
6178 
6179 	/* Port Speed Descriptor */
6180 	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6181 	rsp_payload->port_speed_desc.desc_len =
6182 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6183 	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6184 	    qla25xx_fdmi_port_speed_capability(ha));
6185 	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6186 	    qla25xx_fdmi_port_speed_currently(ha));
6187 
6188 	/* Link Error Status Descriptor */
6189 	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6190 	rsp_payload->ls_err_desc.desc_len =
6191 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6192 
6193 	if (stat) {
6194 		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6195 		if (!rval) {
6196 			rsp_payload->ls_err_desc.link_fail_cnt =
6197 			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6198 			rsp_payload->ls_err_desc.loss_sync_cnt =
6199 			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6200 			rsp_payload->ls_err_desc.loss_sig_cnt =
6201 			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6202 			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6203 			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6204 			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6205 			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6206 			rsp_payload->ls_err_desc.inval_crc_cnt =
6207 			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6208 			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6209 		}
6210 	}
6211 
6212 	/* Portname Descriptor */
6213 	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6214 	rsp_payload->port_name_diag_desc.desc_len =
6215 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6216 	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6217 	    vha->node_name,
6218 	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6219 	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6220 	    vha->port_name,
6221 	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6222 
6223 	/* F-Port Portname Descriptor */
6224 	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6225 	rsp_payload->port_name_direct_desc.desc_len =
6226 	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6227 	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6228 	    vha->fabric_node_name,
6229 	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6230 	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6231 	    vha->fabric_port_name,
6232 	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6233 
6234 	/* Bufer Credit Descriptor */
6235 	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6236 	rsp_payload->buffer_credit_desc.desc_len =
6237 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6238 	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6239 	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6240 	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6241 
6242 	if (ha->flags.plogi_template_valid) {
6243 		uint32_t tmp =
6244 		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6245 		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6246 	}
6247 
6248 	if (rsp_payload_length < sizeof(*rsp_payload))
6249 		goto send;
6250 
6251 	/* Optical Element Descriptor, Temperature */
6252 	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6253 	rsp_payload->optical_elmt_desc[0].desc_len =
6254 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6255 	/* Optical Element Descriptor, Voltage */
6256 	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6257 	rsp_payload->optical_elmt_desc[1].desc_len =
6258 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6259 	/* Optical Element Descriptor, Tx Bias Current */
6260 	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6261 	rsp_payload->optical_elmt_desc[2].desc_len =
6262 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6263 	/* Optical Element Descriptor, Tx Power */
6264 	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6265 	rsp_payload->optical_elmt_desc[3].desc_len =
6266 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6267 	/* Optical Element Descriptor, Rx Power */
6268 	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6269 	rsp_payload->optical_elmt_desc[4].desc_len =
6270 		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6271 
6272 	if (sfp) {
6273 		memset(sfp, 0, SFP_RTDI_LEN);
6274 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6275 		if (!rval) {
6276 			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6277 
6278 			/* Optical Element Descriptor, Temperature */
6279 			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6280 			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6281 			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6282 			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6283 			rsp_payload->optical_elmt_desc[0].element_flags =
6284 			    cpu_to_be32(1 << 28);
6285 
6286 			/* Optical Element Descriptor, Voltage */
6287 			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6288 			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6289 			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6290 			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6291 			rsp_payload->optical_elmt_desc[1].element_flags =
6292 			    cpu_to_be32(2 << 28);
6293 
6294 			/* Optical Element Descriptor, Tx Bias Current */
6295 			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6296 			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6297 			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6298 			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6299 			rsp_payload->optical_elmt_desc[2].element_flags =
6300 			    cpu_to_be32(3 << 28);
6301 
6302 			/* Optical Element Descriptor, Tx Power */
6303 			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6304 			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6305 			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6306 			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6307 			rsp_payload->optical_elmt_desc[3].element_flags =
6308 			    cpu_to_be32(4 << 28);
6309 
6310 			/* Optical Element Descriptor, Rx Power */
6311 			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6312 			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6313 			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6314 			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6315 			rsp_payload->optical_elmt_desc[4].element_flags =
6316 			    cpu_to_be32(5 << 28);
6317 		}
6318 
6319 		memset(sfp, 0, SFP_RTDI_LEN);
6320 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6321 		if (!rval) {
6322 			/* Temperature high/low alarm/warning */
6323 			rsp_payload->optical_elmt_desc[0].element_flags |=
6324 			    cpu_to_be32(
6325 				(sfp[0] >> 7 & 1) << 3 |
6326 				(sfp[0] >> 6 & 1) << 2 |
6327 				(sfp[4] >> 7 & 1) << 1 |
6328 				(sfp[4] >> 6 & 1) << 0);
6329 
6330 			/* Voltage high/low alarm/warning */
6331 			rsp_payload->optical_elmt_desc[1].element_flags |=
6332 			    cpu_to_be32(
6333 				(sfp[0] >> 5 & 1) << 3 |
6334 				(sfp[0] >> 4 & 1) << 2 |
6335 				(sfp[4] >> 5 & 1) << 1 |
6336 				(sfp[4] >> 4 & 1) << 0);
6337 
6338 			/* Tx Bias Current high/low alarm/warning */
6339 			rsp_payload->optical_elmt_desc[2].element_flags |=
6340 			    cpu_to_be32(
6341 				(sfp[0] >> 3 & 1) << 3 |
6342 				(sfp[0] >> 2 & 1) << 2 |
6343 				(sfp[4] >> 3 & 1) << 1 |
6344 				(sfp[4] >> 2 & 1) << 0);
6345 
6346 			/* Tx Power high/low alarm/warning */
6347 			rsp_payload->optical_elmt_desc[3].element_flags |=
6348 			    cpu_to_be32(
6349 				(sfp[0] >> 1 & 1) << 3 |
6350 				(sfp[0] >> 0 & 1) << 2 |
6351 				(sfp[4] >> 1 & 1) << 1 |
6352 				(sfp[4] >> 0 & 1) << 0);
6353 
6354 			/* Rx Power high/low alarm/warning */
6355 			rsp_payload->optical_elmt_desc[4].element_flags |=
6356 			    cpu_to_be32(
6357 				(sfp[1] >> 7 & 1) << 3 |
6358 				(sfp[1] >> 6 & 1) << 2 |
6359 				(sfp[5] >> 7 & 1) << 1 |
6360 				(sfp[5] >> 6 & 1) << 0);
6361 		}
6362 	}
6363 
6364 	/* Optical Product Data Descriptor */
6365 	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6366 	rsp_payload->optical_prod_desc.desc_len =
6367 		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6368 
6369 	if (sfp) {
6370 		memset(sfp, 0, SFP_RTDI_LEN);
6371 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6372 		if (!rval) {
6373 			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6374 			    sfp + 0,
6375 			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6376 			memcpy(rsp_payload->optical_prod_desc.part_number,
6377 			    sfp + 20,
6378 			    sizeof(rsp_payload->optical_prod_desc.part_number));
6379 			memcpy(rsp_payload->optical_prod_desc.revision,
6380 			    sfp + 36,
6381 			    sizeof(rsp_payload->optical_prod_desc.revision));
6382 			memcpy(rsp_payload->optical_prod_desc.serial_number,
6383 			    sfp + 48,
6384 			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6385 		}
6386 
6387 		memset(sfp, 0, SFP_RTDI_LEN);
6388 		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6389 		if (!rval) {
6390 			memcpy(rsp_payload->optical_prod_desc.date,
6391 			    sfp + 0,
6392 			    sizeof(rsp_payload->optical_prod_desc.date));
6393 		}
6394 	}
6395 
6396 send:
6397 	ql_dbg(ql_dbg_init, vha, 0x0183,
6398 	    "Sending ELS Response to RDP Request...\n");
6399 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6400 	    "-------- ELS RSP -------\n");
6401 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6402 	    rsp_els, sizeof(*rsp_els));
6403 	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6404 	    "-------- ELS RSP PAYLOAD -------\n");
6405 	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6406 	    rsp_payload, rsp_payload_length);
6407 
6408 	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6409 
6410 	if (rval) {
6411 		ql_log(ql_log_warn, vha, 0x0188,
6412 		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6413 	} else if (rsp_els->comp_status) {
6414 		ql_log(ql_log_warn, vha, 0x0189,
6415 		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6416 		    __func__, rsp_els->comp_status,
6417 		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6418 	} else {
6419 		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6420 	}
6421 
6422 dealloc:
6423 	if (stat)
6424 		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6425 		    stat, stat_dma);
6426 	if (sfp)
6427 		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6428 		    sfp, sfp_dma);
6429 	if (rsp_payload)
6430 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6431 		    rsp_payload, rsp_payload_dma);
6432 	if (rsp_els)
6433 		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6434 		    rsp_els, rsp_els_dma);
6435 }
6436 
6437 void
6438 qla24xx_free_purex_item(struct purex_item *item)
6439 {
6440 	if (item == &item->vha->default_item)
6441 		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6442 	else
6443 		kfree(item);
6444 }
6445 
6446 void qla24xx_process_purex_list(struct purex_list *list)
6447 {
6448 	struct list_head head = LIST_HEAD_INIT(head);
6449 	struct purex_item *item, *next;
6450 	ulong flags;
6451 
6452 	spin_lock_irqsave(&list->lock, flags);
6453 	list_splice_init(&list->head, &head);
6454 	spin_unlock_irqrestore(&list->lock, flags);
6455 
6456 	list_for_each_entry_safe(item, next, &head, list) {
6457 		list_del(&item->list);
6458 		item->process_item(item->vha, item);
6459 		qla24xx_free_purex_item(item);
6460 	}
6461 }
6462 
6463 /*
6464  * Context: task, can sleep
6465  */
6466 void
6467 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6468 {
6469 #if 0
6470 	uint16_t options = (requester_id << 15) | BIT_7;
6471 #endif
6472 	uint16_t retry;
6473 	uint32_t data;
6474 	struct qla_hw_data *ha = base_vha->hw;
6475 
6476 	might_sleep();
6477 
6478 	/* IDC-unlock implementation using driver-unlock/lock-id
6479 	 * remote registers
6480 	 */
6481 	retry = 0;
6482 retry_unlock:
6483 	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6484 	    == QLA_SUCCESS) {
6485 		if (data == ha->portnum) {
6486 			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6487 			/* Clearing lock-id by setting 0xff */
6488 			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6489 		} else if (retry < 10) {
6490 			/* SV: XXX: IDC unlock retrying needed here? */
6491 
6492 			/* Retry for IDC-unlock */
6493 			msleep(QLA83XX_WAIT_LOGIC_MS);
6494 			retry++;
6495 			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6496 			    "Failed to release IDC lock, retrying=%d\n", retry);
6497 			goto retry_unlock;
6498 		}
6499 	} else if (retry < 10) {
6500 		/* Retry for IDC-unlock */
6501 		msleep(QLA83XX_WAIT_LOGIC_MS);
6502 		retry++;
6503 		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6504 		    "Failed to read drv-lockid, retrying=%d\n", retry);
6505 		goto retry_unlock;
6506 	}
6507 
6508 	return;
6509 
6510 #if 0
6511 	/* XXX: IDC-unlock implementation using access-control mbx */
6512 	retry = 0;
6513 retry_unlock2:
6514 	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6515 		if (retry < 10) {
6516 			/* Retry for IDC-unlock */
6517 			msleep(QLA83XX_WAIT_LOGIC_MS);
6518 			retry++;
6519 			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6520 			    "Failed to release IDC lock, retrying=%d\n", retry);
6521 			goto retry_unlock2;
6522 		}
6523 	}
6524 
6525 	return;
6526 #endif
6527 }
6528 
6529 int
6530 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6531 {
6532 	int rval = QLA_SUCCESS;
6533 	struct qla_hw_data *ha = vha->hw;
6534 	uint32_t drv_presence;
6535 
6536 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6537 	if (rval == QLA_SUCCESS) {
6538 		drv_presence |= (1 << ha->portnum);
6539 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6540 		    drv_presence);
6541 	}
6542 
6543 	return rval;
6544 }
6545 
6546 int
6547 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6548 {
6549 	int rval = QLA_SUCCESS;
6550 
6551 	qla83xx_idc_lock(vha, 0);
6552 	rval = __qla83xx_set_drv_presence(vha);
6553 	qla83xx_idc_unlock(vha, 0);
6554 
6555 	return rval;
6556 }
6557 
6558 int
6559 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6560 {
6561 	int rval = QLA_SUCCESS;
6562 	struct qla_hw_data *ha = vha->hw;
6563 	uint32_t drv_presence;
6564 
6565 	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6566 	if (rval == QLA_SUCCESS) {
6567 		drv_presence &= ~(1 << ha->portnum);
6568 		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6569 		    drv_presence);
6570 	}
6571 
6572 	return rval;
6573 }
6574 
6575 int
6576 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6577 {
6578 	int rval = QLA_SUCCESS;
6579 
6580 	qla83xx_idc_lock(vha, 0);
6581 	rval = __qla83xx_clear_drv_presence(vha);
6582 	qla83xx_idc_unlock(vha, 0);
6583 
6584 	return rval;
6585 }
6586 
6587 static void
6588 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6589 {
6590 	struct qla_hw_data *ha = vha->hw;
6591 	uint32_t drv_ack, drv_presence;
6592 	unsigned long ack_timeout;
6593 
6594 	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6595 	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6596 	while (1) {
6597 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6598 		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6599 		if ((drv_ack & drv_presence) == drv_presence)
6600 			break;
6601 
6602 		if (time_after_eq(jiffies, ack_timeout)) {
6603 			ql_log(ql_log_warn, vha, 0xb067,
6604 			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6605 			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6606 			/*
6607 			 * The function(s) which did not ack in time are forced
6608 			 * to withdraw any further participation in the IDC
6609 			 * reset.
6610 			 */
6611 			if (drv_ack != drv_presence)
6612 				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6613 				    drv_ack);
6614 			break;
6615 		}
6616 
6617 		qla83xx_idc_unlock(vha, 0);
6618 		msleep(1000);
6619 		qla83xx_idc_lock(vha, 0);
6620 	}
6621 
6622 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6623 	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6624 }
6625 
6626 static int
6627 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6628 {
6629 	int rval = QLA_SUCCESS;
6630 	uint32_t idc_control;
6631 
6632 	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6633 	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6634 
6635 	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6636 	__qla83xx_get_idc_control(vha, &idc_control);
6637 	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6638 	__qla83xx_set_idc_control(vha, 0);
6639 
6640 	qla83xx_idc_unlock(vha, 0);
6641 	rval = qla83xx_restart_nic_firmware(vha);
6642 	qla83xx_idc_lock(vha, 0);
6643 
6644 	if (rval != QLA_SUCCESS) {
6645 		ql_log(ql_log_fatal, vha, 0xb06a,
6646 		    "Failed to restart NIC f/w.\n");
6647 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6648 		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6649 	} else {
6650 		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6651 		    "Success in restarting nic f/w.\n");
6652 		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6653 		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6654 	}
6655 
6656 	return rval;
6657 }
6658 
6659 /* Assumes idc_lock always held on entry */
6660 int
6661 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6662 {
6663 	struct qla_hw_data *ha = base_vha->hw;
6664 	int rval = QLA_SUCCESS;
6665 	unsigned long dev_init_timeout;
6666 	uint32_t dev_state;
6667 
6668 	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6669 	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6670 
6671 	while (1) {
6672 
6673 		if (time_after_eq(jiffies, dev_init_timeout)) {
6674 			ql_log(ql_log_warn, base_vha, 0xb06e,
6675 			    "Initialization TIMEOUT!\n");
6676 			/* Init timeout. Disable further NIC Core
6677 			 * communication.
6678 			 */
6679 			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6680 				QLA8XXX_DEV_FAILED);
6681 			ql_log(ql_log_info, base_vha, 0xb06f,
6682 			    "HW State: FAILED.\n");
6683 		}
6684 
6685 		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6686 		switch (dev_state) {
6687 		case QLA8XXX_DEV_READY:
6688 			if (ha->flags.nic_core_reset_owner)
6689 				qla83xx_idc_audit(base_vha,
6690 				    IDC_AUDIT_COMPLETION);
6691 			ha->flags.nic_core_reset_owner = 0;
6692 			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6693 			    "Reset_owner reset by 0x%x.\n",
6694 			    ha->portnum);
6695 			goto exit;
6696 		case QLA8XXX_DEV_COLD:
6697 			if (ha->flags.nic_core_reset_owner)
6698 				rval = qla83xx_device_bootstrap(base_vha);
6699 			else {
6700 			/* Wait for AEN to change device-state */
6701 				qla83xx_idc_unlock(base_vha, 0);
6702 				msleep(1000);
6703 				qla83xx_idc_lock(base_vha, 0);
6704 			}
6705 			break;
6706 		case QLA8XXX_DEV_INITIALIZING:
6707 			/* Wait for AEN to change device-state */
6708 			qla83xx_idc_unlock(base_vha, 0);
6709 			msleep(1000);
6710 			qla83xx_idc_lock(base_vha, 0);
6711 			break;
6712 		case QLA8XXX_DEV_NEED_RESET:
6713 			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6714 				qla83xx_need_reset_handler(base_vha);
6715 			else {
6716 				/* Wait for AEN to change device-state */
6717 				qla83xx_idc_unlock(base_vha, 0);
6718 				msleep(1000);
6719 				qla83xx_idc_lock(base_vha, 0);
6720 			}
6721 			/* reset timeout value after need reset handler */
6722 			dev_init_timeout = jiffies +
6723 			    (ha->fcoe_dev_init_timeout * HZ);
6724 			break;
6725 		case QLA8XXX_DEV_NEED_QUIESCENT:
6726 			/* XXX: DEBUG for now */
6727 			qla83xx_idc_unlock(base_vha, 0);
6728 			msleep(1000);
6729 			qla83xx_idc_lock(base_vha, 0);
6730 			break;
6731 		case QLA8XXX_DEV_QUIESCENT:
6732 			/* XXX: DEBUG for now */
6733 			if (ha->flags.quiesce_owner)
6734 				goto exit;
6735 
6736 			qla83xx_idc_unlock(base_vha, 0);
6737 			msleep(1000);
6738 			qla83xx_idc_lock(base_vha, 0);
6739 			dev_init_timeout = jiffies +
6740 			    (ha->fcoe_dev_init_timeout * HZ);
6741 			break;
6742 		case QLA8XXX_DEV_FAILED:
6743 			if (ha->flags.nic_core_reset_owner)
6744 				qla83xx_idc_audit(base_vha,
6745 				    IDC_AUDIT_COMPLETION);
6746 			ha->flags.nic_core_reset_owner = 0;
6747 			__qla83xx_clear_drv_presence(base_vha);
6748 			qla83xx_idc_unlock(base_vha, 0);
6749 			qla8xxx_dev_failed_handler(base_vha);
6750 			rval = QLA_FUNCTION_FAILED;
6751 			qla83xx_idc_lock(base_vha, 0);
6752 			goto exit;
6753 		case QLA8XXX_BAD_VALUE:
6754 			qla83xx_idc_unlock(base_vha, 0);
6755 			msleep(1000);
6756 			qla83xx_idc_lock(base_vha, 0);
6757 			break;
6758 		default:
6759 			ql_log(ql_log_warn, base_vha, 0xb071,
6760 			    "Unknown Device State: %x.\n", dev_state);
6761 			qla83xx_idc_unlock(base_vha, 0);
6762 			qla8xxx_dev_failed_handler(base_vha);
6763 			rval = QLA_FUNCTION_FAILED;
6764 			qla83xx_idc_lock(base_vha, 0);
6765 			goto exit;
6766 		}
6767 	}
6768 
6769 exit:
6770 	return rval;
6771 }
6772 
6773 void
6774 qla2x00_disable_board_on_pci_error(struct work_struct *work)
6775 {
6776 	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6777 	    board_disable);
6778 	struct pci_dev *pdev = ha->pdev;
6779 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6780 
6781 	ql_log(ql_log_warn, base_vha, 0x015b,
6782 	    "Disabling adapter.\n");
6783 
6784 	if (!atomic_read(&pdev->enable_cnt)) {
6785 		ql_log(ql_log_info, base_vha, 0xfffc,
6786 		    "PCI device disabled, no action req for PCI error=%lx\n",
6787 		    base_vha->pci_flags);
6788 		return;
6789 	}
6790 
6791 	/*
6792 	 * if UNLOADING flag is already set, then continue unload,
6793 	 * where it was set first.
6794 	 */
6795 	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6796 		return;
6797 
6798 	qla2x00_wait_for_sess_deletion(base_vha);
6799 
6800 	qla2x00_delete_all_vps(ha, base_vha);
6801 
6802 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6803 
6804 	qla2x00_dfs_remove(base_vha);
6805 
6806 	qla84xx_put_chip(base_vha);
6807 
6808 	if (base_vha->timer_active)
6809 		qla2x00_stop_timer(base_vha);
6810 
6811 	base_vha->flags.online = 0;
6812 
6813 	qla2x00_destroy_deferred_work(ha);
6814 
6815 	/*
6816 	 * Do not try to stop beacon blink as it will issue a mailbox
6817 	 * command.
6818 	 */
6819 	qla2x00_free_sysfs_attr(base_vha, false);
6820 
6821 	fc_remove_host(base_vha->host);
6822 
6823 	scsi_remove_host(base_vha->host);
6824 
6825 	base_vha->flags.init_done = 0;
6826 	qla25xx_delete_queues(base_vha);
6827 	qla2x00_free_fcports(base_vha);
6828 	qla2x00_free_irqs(base_vha);
6829 	qla2x00_mem_free(ha);
6830 	qla82xx_md_free(base_vha);
6831 	qla2x00_free_queues(ha);
6832 
6833 	qla2x00_unmap_iobases(ha);
6834 
6835 	pci_release_selected_regions(ha->pdev, ha->bars);
6836 	pci_disable_pcie_error_reporting(pdev);
6837 	pci_disable_device(pdev);
6838 
6839 	/*
6840 	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6841 	 */
6842 }
6843 
6844 /**************************************************************************
6845 * qla2x00_do_dpc
6846 *   This kernel thread is a task that is schedule by the interrupt handler
6847 *   to perform the background processing for interrupts.
6848 *
6849 * Notes:
6850 * This task always run in the context of a kernel thread.  It
6851 * is kick-off by the driver's detect code and starts up
6852 * up one per adapter. It immediately goes to sleep and waits for
6853 * some fibre event.  When either the interrupt handler or
6854 * the timer routine detects a event it will one of the task
6855 * bits then wake us up.
6856 **************************************************************************/
6857 static int
6858 qla2x00_do_dpc(void *data)
6859 {
6860 	scsi_qla_host_t *base_vha;
6861 	struct qla_hw_data *ha;
6862 	uint32_t online;
6863 	struct qla_qpair *qpair;
6864 
6865 	ha = (struct qla_hw_data *)data;
6866 	base_vha = pci_get_drvdata(ha->pdev);
6867 
6868 	set_user_nice(current, MIN_NICE);
6869 
6870 	set_current_state(TASK_INTERRUPTIBLE);
6871 	while (!kthread_should_stop()) {
6872 		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6873 		    "DPC handler sleeping.\n");
6874 
6875 		schedule();
6876 
6877 		if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
6878 			qla_pci_set_eeh_busy(base_vha);
6879 
6880 		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6881 			goto end_loop;
6882 
6883 		if (ha->flags.eeh_busy) {
6884 			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6885 			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6886 			goto end_loop;
6887 		}
6888 
6889 		ha->dpc_active = 1;
6890 
6891 		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6892 		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6893 		    base_vha->dpc_flags);
6894 
6895 		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6896 			break;
6897 
6898 		if (IS_P3P_TYPE(ha)) {
6899 			if (IS_QLA8044(ha)) {
6900 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6901 					&base_vha->dpc_flags)) {
6902 					qla8044_idc_lock(ha);
6903 					qla8044_wr_direct(base_vha,
6904 						QLA8044_CRB_DEV_STATE_INDEX,
6905 						QLA8XXX_DEV_FAILED);
6906 					qla8044_idc_unlock(ha);
6907 					ql_log(ql_log_info, base_vha, 0x4004,
6908 						"HW State: FAILED.\n");
6909 					qla8044_device_state_handler(base_vha);
6910 					continue;
6911 				}
6912 
6913 			} else {
6914 				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6915 					&base_vha->dpc_flags)) {
6916 					qla82xx_idc_lock(ha);
6917 					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6918 						QLA8XXX_DEV_FAILED);
6919 					qla82xx_idc_unlock(ha);
6920 					ql_log(ql_log_info, base_vha, 0x0151,
6921 						"HW State: FAILED.\n");
6922 					qla82xx_device_state_handler(base_vha);
6923 					continue;
6924 				}
6925 			}
6926 
6927 			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6928 				&base_vha->dpc_flags)) {
6929 
6930 				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6931 				    "FCoE context reset scheduled.\n");
6932 				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6933 					&base_vha->dpc_flags))) {
6934 					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6935 						/* FCoE-ctx reset failed.
6936 						 * Escalate to chip-reset
6937 						 */
6938 						set_bit(ISP_ABORT_NEEDED,
6939 							&base_vha->dpc_flags);
6940 					}
6941 					clear_bit(ABORT_ISP_ACTIVE,
6942 						&base_vha->dpc_flags);
6943 				}
6944 
6945 				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6946 				    "FCoE context reset end.\n");
6947 			}
6948 		} else if (IS_QLAFX00(ha)) {
6949 			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6950 				&base_vha->dpc_flags)) {
6951 				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6952 				    "Firmware Reset Recovery\n");
6953 				if (qlafx00_reset_initialize(base_vha)) {
6954 					/* Failed. Abort isp later. */
6955 					if (!test_bit(UNLOADING,
6956 					    &base_vha->dpc_flags)) {
6957 						set_bit(ISP_UNRECOVERABLE,
6958 						    &base_vha->dpc_flags);
6959 						ql_dbg(ql_dbg_dpc, base_vha,
6960 						    0x4021,
6961 						    "Reset Recovery Failed\n");
6962 					}
6963 				}
6964 			}
6965 
6966 			if (test_and_clear_bit(FX00_TARGET_SCAN,
6967 				&base_vha->dpc_flags)) {
6968 				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
6969 				    "ISPFx00 Target Scan scheduled\n");
6970 				if (qlafx00_rescan_isp(base_vha)) {
6971 					if (!test_bit(UNLOADING,
6972 					    &base_vha->dpc_flags))
6973 						set_bit(ISP_UNRECOVERABLE,
6974 						    &base_vha->dpc_flags);
6975 					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
6976 					    "ISPFx00 Target Scan Failed\n");
6977 				}
6978 				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
6979 				    "ISPFx00 Target Scan End\n");
6980 			}
6981 			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
6982 				&base_vha->dpc_flags)) {
6983 				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
6984 				    "ISPFx00 Host Info resend scheduled\n");
6985 				qlafx00_fx_disc(base_vha,
6986 				    &base_vha->hw->mr.fcport,
6987 				    FXDISC_REG_HOST_INFO);
6988 			}
6989 		}
6990 
6991 		if (test_and_clear_bit(DETECT_SFP_CHANGE,
6992 		    &base_vha->dpc_flags)) {
6993 			/* Semantic:
6994 			 *  - NO-OP -- await next ISP-ABORT. Preferred method
6995 			 *             to minimize disruptions that will occur
6996 			 *             when a forced chip-reset occurs.
6997 			 *  - Force -- ISP-ABORT scheduled.
6998 			 */
6999 			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
7000 		}
7001 
7002 		if (test_and_clear_bit
7003 		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
7004 		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
7005 			bool do_reset = true;
7006 
7007 			switch (base_vha->qlini_mode) {
7008 			case QLA2XXX_INI_MODE_ENABLED:
7009 				break;
7010 			case QLA2XXX_INI_MODE_DISABLED:
7011 				if (!qla_tgt_mode_enabled(base_vha) &&
7012 				    !ha->flags.fw_started)
7013 					do_reset = false;
7014 				break;
7015 			case QLA2XXX_INI_MODE_DUAL:
7016 				if (!qla_dual_mode_enabled(base_vha) &&
7017 				    !ha->flags.fw_started)
7018 					do_reset = false;
7019 				break;
7020 			default:
7021 				break;
7022 			}
7023 
7024 			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
7025 			    &base_vha->dpc_flags))) {
7026 				base_vha->flags.online = 1;
7027 				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
7028 				    "ISP abort scheduled.\n");
7029 				if (ha->isp_ops->abort_isp(base_vha)) {
7030 					/* failed. retry later */
7031 					set_bit(ISP_ABORT_NEEDED,
7032 					    &base_vha->dpc_flags);
7033 				}
7034 				clear_bit(ABORT_ISP_ACTIVE,
7035 						&base_vha->dpc_flags);
7036 				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
7037 				    "ISP abort end.\n");
7038 			}
7039 		}
7040 
7041 		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
7042 			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
7043 				qla24xx_process_purex_list
7044 					(&base_vha->purex_list);
7045 				clear_bit(PROCESS_PUREX_IOCB,
7046 				    &base_vha->dpc_flags);
7047 			}
7048 		}
7049 
7050 		if (IS_QLAFX00(ha))
7051 			goto loop_resync_check;
7052 
7053 		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
7054 			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
7055 			    "Quiescence mode scheduled.\n");
7056 			if (IS_P3P_TYPE(ha)) {
7057 				if (IS_QLA82XX(ha))
7058 					qla82xx_device_state_handler(base_vha);
7059 				if (IS_QLA8044(ha))
7060 					qla8044_device_state_handler(base_vha);
7061 				clear_bit(ISP_QUIESCE_NEEDED,
7062 				    &base_vha->dpc_flags);
7063 				if (!ha->flags.quiesce_owner) {
7064 					qla2x00_perform_loop_resync(base_vha);
7065 					if (IS_QLA82XX(ha)) {
7066 						qla82xx_idc_lock(ha);
7067 						qla82xx_clear_qsnt_ready(
7068 						    base_vha);
7069 						qla82xx_idc_unlock(ha);
7070 					} else if (IS_QLA8044(ha)) {
7071 						qla8044_idc_lock(ha);
7072 						qla8044_clear_qsnt_ready(
7073 						    base_vha);
7074 						qla8044_idc_unlock(ha);
7075 					}
7076 				}
7077 			} else {
7078 				clear_bit(ISP_QUIESCE_NEEDED,
7079 				    &base_vha->dpc_flags);
7080 				qla2x00_quiesce_io(base_vha);
7081 			}
7082 			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
7083 			    "Quiescence mode end.\n");
7084 		}
7085 
7086 		if (test_and_clear_bit(RESET_MARKER_NEEDED,
7087 				&base_vha->dpc_flags) &&
7088 		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
7089 
7090 			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
7091 			    "Reset marker scheduled.\n");
7092 			qla2x00_rst_aen(base_vha);
7093 			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
7094 			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
7095 			    "Reset marker end.\n");
7096 		}
7097 
7098 		/* Retry each device up to login retry count */
7099 		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
7100 		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
7101 		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
7102 
7103 			if (!base_vha->relogin_jif ||
7104 			    time_after_eq(jiffies, base_vha->relogin_jif)) {
7105 				base_vha->relogin_jif = jiffies + HZ;
7106 				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
7107 
7108 				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
7109 				    "Relogin scheduled.\n");
7110 				qla24xx_post_relogin_work(base_vha);
7111 			}
7112 		}
7113 loop_resync_check:
7114 		if (!qla2x00_reset_active(base_vha) &&
7115 		    test_and_clear_bit(LOOP_RESYNC_NEEDED,
7116 		    &base_vha->dpc_flags)) {
7117 			/*
7118 			 * Allow abort_isp to complete before moving on to scanning.
7119 			 */
7120 			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
7121 			    "Loop resync scheduled.\n");
7122 
7123 			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
7124 			    &base_vha->dpc_flags))) {
7125 
7126 				qla2x00_loop_resync(base_vha);
7127 
7128 				clear_bit(LOOP_RESYNC_ACTIVE,
7129 						&base_vha->dpc_flags);
7130 			}
7131 
7132 			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
7133 			    "Loop resync end.\n");
7134 		}
7135 
7136 		if (IS_QLAFX00(ha))
7137 			goto intr_on_check;
7138 
7139 		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
7140 		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
7141 			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
7142 			qla2xxx_flash_npiv_conf(base_vha);
7143 		}
7144 
7145 intr_on_check:
7146 		if (!ha->interrupts_on)
7147 			ha->isp_ops->enable_intrs(ha);
7148 
7149 		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7150 					&base_vha->dpc_flags)) {
7151 			if (ha->beacon_blink_led == 1)
7152 				ha->isp_ops->beacon_blink(base_vha);
7153 		}
7154 
7155 		/* qpair online check */
7156 		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7157 		    &base_vha->dpc_flags)) {
7158 			if (ha->flags.eeh_busy ||
7159 			    ha->flags.pci_channel_io_perm_failure)
7160 				online = 0;
7161 			else
7162 				online = 1;
7163 
7164 			mutex_lock(&ha->mq_lock);
7165 			list_for_each_entry(qpair, &base_vha->qp_list,
7166 			    qp_list_elem)
7167 			qpair->online = online;
7168 			mutex_unlock(&ha->mq_lock);
7169 		}
7170 
7171 		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7172 				       &base_vha->dpc_flags)) {
7173 			u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
7174 
7175 			if (threshold > ha->orig_fw_xcb_count)
7176 				threshold = ha->orig_fw_xcb_count;
7177 
7178 			ql_log(ql_log_info, base_vha, 0xffffff,
7179 			       "SET ZIO Activity exchange threshold to %d.\n",
7180 			       threshold);
7181 			if (qla27xx_set_zio_threshold(base_vha, threshold)) {
7182 				ql_log(ql_log_info, base_vha, 0xffffff,
7183 				       "Unable to SET ZIO Activity exchange threshold to %d.\n",
7184 				       threshold);
7185 			}
7186 		}
7187 
7188 		if (!IS_QLAFX00(ha))
7189 			qla2x00_do_dpc_all_vps(base_vha);
7190 
7191 		if (test_and_clear_bit(N2N_LINK_RESET,
7192 			&base_vha->dpc_flags)) {
7193 			qla2x00_lip_reset(base_vha);
7194 		}
7195 
7196 		ha->dpc_active = 0;
7197 end_loop:
7198 		set_current_state(TASK_INTERRUPTIBLE);
7199 	} /* End of while(1) */
7200 	__set_current_state(TASK_RUNNING);
7201 
7202 	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7203 	    "DPC handler exiting.\n");
7204 
7205 	/*
7206 	 * Make sure that nobody tries to wake us up again.
7207 	 */
7208 	ha->dpc_active = 0;
7209 
7210 	/* Cleanup any residual CTX SRBs. */
7211 	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7212 
7213 	return 0;
7214 }
7215 
7216 void
7217 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7218 {
7219 	struct qla_hw_data *ha = vha->hw;
7220 	struct task_struct *t = ha->dpc_thread;
7221 
7222 	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7223 		wake_up_process(t);
7224 }
7225 
7226 /*
7227 *  qla2x00_rst_aen
7228 *      Processes asynchronous reset.
7229 *
7230 * Input:
7231 *      ha  = adapter block pointer.
7232 */
7233 static void
7234 qla2x00_rst_aen(scsi_qla_host_t *vha)
7235 {
7236 	if (vha->flags.online && !vha->flags.reset_active &&
7237 	    !atomic_read(&vha->loop_down_timer) &&
7238 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7239 		do {
7240 			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7241 
7242 			/*
7243 			 * Issue marker command only when we are going to start
7244 			 * the I/O.
7245 			 */
7246 			vha->marker_needed = 1;
7247 		} while (!atomic_read(&vha->loop_down_timer) &&
7248 		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7249 	}
7250 }
7251 
7252 static bool qla_do_heartbeat(struct scsi_qla_host *vha)
7253 {
7254 	struct qla_hw_data *ha = vha->hw;
7255 	u32 cmpl_cnt;
7256 	u16 i;
7257 	bool do_heartbeat = false;
7258 
7259 	/*
7260 	 * Allow do_heartbeat only if we don’t have any active interrupts,
7261 	 * but there are still IOs outstanding with firmware.
7262 	 */
7263 	cmpl_cnt = ha->base_qpair->cmd_completion_cnt;
7264 	if (cmpl_cnt == ha->base_qpair->prev_completion_cnt &&
7265 	    cmpl_cnt != ha->base_qpair->cmd_cnt) {
7266 		do_heartbeat = true;
7267 		goto skip;
7268 	}
7269 	ha->base_qpair->prev_completion_cnt = cmpl_cnt;
7270 
7271 	for (i = 0; i < ha->max_qpairs; i++) {
7272 		if (ha->queue_pair_map[i]) {
7273 			cmpl_cnt = ha->queue_pair_map[i]->cmd_completion_cnt;
7274 			if (cmpl_cnt == ha->queue_pair_map[i]->prev_completion_cnt &&
7275 			    cmpl_cnt != ha->queue_pair_map[i]->cmd_cnt) {
7276 				do_heartbeat = true;
7277 				break;
7278 			}
7279 			ha->queue_pair_map[i]->prev_completion_cnt = cmpl_cnt;
7280 		}
7281 	}
7282 
7283 skip:
7284 	return do_heartbeat;
7285 }
7286 
7287 static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started)
7288 {
7289 	struct qla_hw_data *ha = vha->hw;
7290 
7291 	if (vha->vp_idx)
7292 		return;
7293 
7294 	if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha))
7295 		return;
7296 
7297 	/*
7298 	 * dpc thread cannot run if heartbeat is running at the same time.
7299 	 * We also do not want to starve heartbeat task. Therefore, do
7300 	 * heartbeat task at least once every 5 seconds.
7301 	 */
7302 	if (dpc_started &&
7303 	    time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ))
7304 		return;
7305 
7306 	if (qla_do_heartbeat(vha)) {
7307 		ha->last_heartbeat_run_jiffies = jiffies;
7308 		queue_work(ha->wq, &ha->heartbeat_work);
7309 	}
7310 }
7311 
7312 static void qla_wind_down_chip(scsi_qla_host_t *vha)
7313 {
7314 	struct qla_hw_data *ha = vha->hw;
7315 
7316 	if (!ha->flags.eeh_busy)
7317 		return;
7318 	if (ha->pci_error_state)
7319 		/* system is trying to recover */
7320 		return;
7321 
7322 	/*
7323 	 * Current system is not handling PCIE error.  At this point, this is
7324 	 * best effort to wind down the adapter.
7325 	 */
7326 	if (time_after_eq(jiffies, ha->eeh_jif + ql2xdelay_before_pci_error_handling * HZ) &&
7327 	    !ha->flags.eeh_flush) {
7328 		ql_log(ql_log_info, vha, 0x9009,
7329 		    "PCI Error detected, attempting to reset hardware.\n");
7330 
7331 		ha->isp_ops->reset_chip(vha);
7332 		ha->isp_ops->disable_intrs(ha);
7333 
7334 		ha->flags.eeh_flush = EEH_FLUSH_RDY;
7335 		ha->eeh_jif = jiffies;
7336 
7337 	} else if (ha->flags.eeh_flush == EEH_FLUSH_RDY &&
7338 	    time_after_eq(jiffies, ha->eeh_jif +  5 * HZ)) {
7339 		pci_clear_master(ha->pdev);
7340 
7341 		/* flush all command */
7342 		qla2x00_abort_isp_cleanup(vha);
7343 		ha->flags.eeh_flush = EEH_FLUSH_DONE;
7344 
7345 		ql_log(ql_log_info, vha, 0x900a,
7346 		    "PCI Error handling complete, all IOs aborted.\n");
7347 	}
7348 }
7349 
7350 /**************************************************************************
7351 *   qla2x00_timer
7352 *
7353 * Description:
7354 *   One second timer
7355 *
7356 * Context: Interrupt
7357 ***************************************************************************/
7358 void
7359 qla2x00_timer(struct timer_list *t)
7360 {
7361 	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7362 	unsigned long	cpu_flags = 0;
7363 	int		start_dpc = 0;
7364 	int		index;
7365 	srb_t		*sp;
7366 	uint16_t        w;
7367 	struct qla_hw_data *ha = vha->hw;
7368 	struct req_que *req;
7369 	unsigned long flags;
7370 	fc_port_t *fcport = NULL;
7371 
7372 	if (ha->flags.eeh_busy) {
7373 		qla_wind_down_chip(vha);
7374 
7375 		ql_dbg(ql_dbg_timer, vha, 0x6000,
7376 		    "EEH = %d, restarting timer.\n",
7377 		    ha->flags.eeh_busy);
7378 		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7379 		return;
7380 	}
7381 
7382 	/*
7383 	 * Hardware read to raise pending EEH errors during mailbox waits. If
7384 	 * the read returns -1 then disable the board.
7385 	 */
7386 	if (!pci_channel_offline(ha->pdev)) {
7387 		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7388 		qla2x00_check_reg16_for_disconnect(vha, w);
7389 	}
7390 
7391 	/* Make sure qla82xx_watchdog is run only for physical port */
7392 	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7393 		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7394 			start_dpc++;
7395 		if (IS_QLA82XX(ha))
7396 			qla82xx_watchdog(vha);
7397 		else if (IS_QLA8044(ha))
7398 			qla8044_watchdog(vha);
7399 	}
7400 
7401 	if (!vha->vp_idx && IS_QLAFX00(ha))
7402 		qlafx00_timer_routine(vha);
7403 
7404 	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7405 		vha->link_down_time++;
7406 
7407 	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7408 	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7409 		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7410 			fcport->tgt_link_down_time++;
7411 	}
7412 	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7413 
7414 	/* Loop down handler. */
7415 	if (atomic_read(&vha->loop_down_timer) > 0 &&
7416 	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7417 	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7418 		&& vha->flags.online) {
7419 
7420 		if (atomic_read(&vha->loop_down_timer) ==
7421 		    vha->loop_down_abort_time) {
7422 
7423 			ql_log(ql_log_info, vha, 0x6008,
7424 			    "Loop down - aborting the queues before time expires.\n");
7425 
7426 			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7427 				atomic_set(&vha->loop_state, LOOP_DEAD);
7428 
7429 			/*
7430 			 * Schedule an ISP abort to return any FCP2-device
7431 			 * commands.
7432 			 */
7433 			/* NPIV - scan physical port only */
7434 			if (!vha->vp_idx) {
7435 				spin_lock_irqsave(&ha->hardware_lock,
7436 				    cpu_flags);
7437 				req = ha->req_q_map[0];
7438 				for (index = 1;
7439 				    index < req->num_outstanding_cmds;
7440 				    index++) {
7441 					fc_port_t *sfcp;
7442 
7443 					sp = req->outstanding_cmds[index];
7444 					if (!sp)
7445 						continue;
7446 					if (sp->cmd_type != TYPE_SRB)
7447 						continue;
7448 					if (sp->type != SRB_SCSI_CMD)
7449 						continue;
7450 					sfcp = sp->fcport;
7451 					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7452 						continue;
7453 
7454 					if (IS_QLA82XX(ha))
7455 						set_bit(FCOE_CTX_RESET_NEEDED,
7456 							&vha->dpc_flags);
7457 					else
7458 						set_bit(ISP_ABORT_NEEDED,
7459 							&vha->dpc_flags);
7460 					break;
7461 				}
7462 				spin_unlock_irqrestore(&ha->hardware_lock,
7463 								cpu_flags);
7464 			}
7465 			start_dpc++;
7466 		}
7467 
7468 		/* if the loop has been down for 4 minutes, reinit adapter */
7469 		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7470 			if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
7471 				ql_log(ql_log_warn, vha, 0x6009,
7472 				    "Loop down - aborting ISP.\n");
7473 
7474 				if (IS_QLA82XX(ha))
7475 					set_bit(FCOE_CTX_RESET_NEEDED,
7476 						&vha->dpc_flags);
7477 				else
7478 					set_bit(ISP_ABORT_NEEDED,
7479 						&vha->dpc_flags);
7480 			}
7481 		}
7482 		ql_dbg(ql_dbg_timer, vha, 0x600a,
7483 		    "Loop down - seconds remaining %d.\n",
7484 		    atomic_read(&vha->loop_down_timer));
7485 	}
7486 	/* Check if beacon LED needs to be blinked for physical host only */
7487 	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7488 		/* There is no beacon_blink function for ISP82xx */
7489 		if (!IS_P3P_TYPE(ha)) {
7490 			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7491 			start_dpc++;
7492 		}
7493 	}
7494 
7495 	/* check if edif running */
7496 	if (vha->hw->flags.edif_enabled)
7497 		qla_edif_timer(vha);
7498 
7499 	/* Process any deferred work. */
7500 	if (!list_empty(&vha->work_list)) {
7501 		unsigned long flags;
7502 		bool q = false;
7503 
7504 		spin_lock_irqsave(&vha->work_lock, flags);
7505 		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7506 			q = true;
7507 		spin_unlock_irqrestore(&vha->work_lock, flags);
7508 		if (q)
7509 			queue_work(vha->hw->wq, &vha->iocb_work);
7510 	}
7511 
7512 	/*
7513 	 * FC-NVME
7514 	 * see if the active AEN count has changed from what was last reported.
7515 	 */
7516 	index = atomic_read(&ha->nvme_active_aen_cnt);
7517 	if (!vha->vp_idx &&
7518 	    (index != ha->nvme_last_rptd_aen) &&
7519 	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7520 	    !ha->flags.host_shutting_down) {
7521 		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7522 		ql_log(ql_log_info, vha, 0x3002,
7523 		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7524 		    ha->nvme_last_rptd_aen);
7525 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7526 		start_dpc++;
7527 	}
7528 
7529 	if (!vha->vp_idx &&
7530 	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7531 	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7532 		ql_log(ql_log_info, vha, 0x3002,
7533 		    "Sched: Set ZIO exchange threshold to %d.\n",
7534 		    ha->last_zio_threshold);
7535 		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7536 		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7537 		start_dpc++;
7538 	}
7539 	qla_adjust_buf(vha);
7540 
7541 	/* borrowing w to signify dpc will run */
7542 	w = 0;
7543 	/* Schedule the DPC routine if needed */
7544 	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7545 	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7546 	    start_dpc ||
7547 	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7548 	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7549 	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7550 	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7551 	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7552 	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7553 	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7554 		ql_dbg(ql_dbg_timer, vha, 0x600b,
7555 		    "isp_abort_needed=%d loop_resync_needed=%d "
7556 		    "start_dpc=%d reset_marker_needed=%d",
7557 		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7558 		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7559 		    start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7560 		ql_dbg(ql_dbg_timer, vha, 0x600c,
7561 		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7562 		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7563 		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7564 		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7565 		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7566 		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7567 		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7568 		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7569 		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7570 		qla2xxx_wake_dpc(vha);
7571 		w = 1;
7572 	}
7573 
7574 	qla_heart_beat(vha, w);
7575 
7576 	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7577 }
7578 
7579 /* Firmware interface routines. */
7580 
7581 #define FW_ISP21XX	0
7582 #define FW_ISP22XX	1
7583 #define FW_ISP2300	2
7584 #define FW_ISP2322	3
7585 #define FW_ISP24XX	4
7586 #define FW_ISP25XX	5
7587 #define FW_ISP81XX	6
7588 #define FW_ISP82XX	7
7589 #define FW_ISP2031	8
7590 #define FW_ISP8031	9
7591 #define FW_ISP27XX	10
7592 #define FW_ISP28XX	11
7593 
7594 #define FW_FILE_ISP21XX	"ql2100_fw.bin"
7595 #define FW_FILE_ISP22XX	"ql2200_fw.bin"
7596 #define FW_FILE_ISP2300	"ql2300_fw.bin"
7597 #define FW_FILE_ISP2322	"ql2322_fw.bin"
7598 #define FW_FILE_ISP24XX	"ql2400_fw.bin"
7599 #define FW_FILE_ISP25XX	"ql2500_fw.bin"
7600 #define FW_FILE_ISP81XX	"ql8100_fw.bin"
7601 #define FW_FILE_ISP82XX	"ql8200_fw.bin"
7602 #define FW_FILE_ISP2031	"ql2600_fw.bin"
7603 #define FW_FILE_ISP8031	"ql8300_fw.bin"
7604 #define FW_FILE_ISP27XX	"ql2700_fw.bin"
7605 #define FW_FILE_ISP28XX	"ql2800_fw.bin"
7606 
7607 
7608 static DEFINE_MUTEX(qla_fw_lock);
7609 
7610 static struct fw_blob qla_fw_blobs[] = {
7611 	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7612 	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7613 	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7614 	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7615 	{ .name = FW_FILE_ISP24XX, },
7616 	{ .name = FW_FILE_ISP25XX, },
7617 	{ .name = FW_FILE_ISP81XX, },
7618 	{ .name = FW_FILE_ISP82XX, },
7619 	{ .name = FW_FILE_ISP2031, },
7620 	{ .name = FW_FILE_ISP8031, },
7621 	{ .name = FW_FILE_ISP27XX, },
7622 	{ .name = FW_FILE_ISP28XX, },
7623 	{ .name = NULL, },
7624 };
7625 
7626 struct fw_blob *
7627 qla2x00_request_firmware(scsi_qla_host_t *vha)
7628 {
7629 	struct qla_hw_data *ha = vha->hw;
7630 	struct fw_blob *blob;
7631 
7632 	if (IS_QLA2100(ha)) {
7633 		blob = &qla_fw_blobs[FW_ISP21XX];
7634 	} else if (IS_QLA2200(ha)) {
7635 		blob = &qla_fw_blobs[FW_ISP22XX];
7636 	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7637 		blob = &qla_fw_blobs[FW_ISP2300];
7638 	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7639 		blob = &qla_fw_blobs[FW_ISP2322];
7640 	} else if (IS_QLA24XX_TYPE(ha)) {
7641 		blob = &qla_fw_blobs[FW_ISP24XX];
7642 	} else if (IS_QLA25XX(ha)) {
7643 		blob = &qla_fw_blobs[FW_ISP25XX];
7644 	} else if (IS_QLA81XX(ha)) {
7645 		blob = &qla_fw_blobs[FW_ISP81XX];
7646 	} else if (IS_QLA82XX(ha)) {
7647 		blob = &qla_fw_blobs[FW_ISP82XX];
7648 	} else if (IS_QLA2031(ha)) {
7649 		blob = &qla_fw_blobs[FW_ISP2031];
7650 	} else if (IS_QLA8031(ha)) {
7651 		blob = &qla_fw_blobs[FW_ISP8031];
7652 	} else if (IS_QLA27XX(ha)) {
7653 		blob = &qla_fw_blobs[FW_ISP27XX];
7654 	} else if (IS_QLA28XX(ha)) {
7655 		blob = &qla_fw_blobs[FW_ISP28XX];
7656 	} else {
7657 		return NULL;
7658 	}
7659 
7660 	if (!blob->name)
7661 		return NULL;
7662 
7663 	mutex_lock(&qla_fw_lock);
7664 	if (blob->fw)
7665 		goto out;
7666 
7667 	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7668 		ql_log(ql_log_warn, vha, 0x0063,
7669 		    "Failed to load firmware image (%s).\n", blob->name);
7670 		blob->fw = NULL;
7671 		blob = NULL;
7672 	}
7673 
7674 out:
7675 	mutex_unlock(&qla_fw_lock);
7676 	return blob;
7677 }
7678 
7679 static void
7680 qla2x00_release_firmware(void)
7681 {
7682 	struct fw_blob *blob;
7683 
7684 	mutex_lock(&qla_fw_lock);
7685 	for (blob = qla_fw_blobs; blob->name; blob++)
7686 		release_firmware(blob->fw);
7687 	mutex_unlock(&qla_fw_lock);
7688 }
7689 
7690 static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7691 {
7692 	struct qla_hw_data *ha = vha->hw;
7693 	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7694 	struct qla_qpair *qpair = NULL;
7695 	struct scsi_qla_host *vp, *tvp;
7696 	fc_port_t *fcport;
7697 	int i;
7698 	unsigned long flags;
7699 
7700 	ql_dbg(ql_dbg_aer, vha, 0x9000,
7701 	       "%s\n", __func__);
7702 	ha->chip_reset++;
7703 
7704 	ha->base_qpair->chip_reset = ha->chip_reset;
7705 	for (i = 0; i < ha->max_qpairs; i++) {
7706 		if (ha->queue_pair_map[i])
7707 			ha->queue_pair_map[i]->chip_reset =
7708 			    ha->base_qpair->chip_reset;
7709 	}
7710 
7711 	/*
7712 	 * purge mailbox might take a while. Slot Reset/chip reset
7713 	 * will take care of the purge
7714 	 */
7715 
7716 	mutex_lock(&ha->mq_lock);
7717 	ha->base_qpair->online = 0;
7718 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7719 		qpair->online = 0;
7720 	wmb();
7721 	mutex_unlock(&ha->mq_lock);
7722 
7723 	qla2x00_mark_all_devices_lost(vha);
7724 
7725 	spin_lock_irqsave(&ha->vport_slock, flags);
7726 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7727 		atomic_inc(&vp->vref_count);
7728 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7729 		qla2x00_mark_all_devices_lost(vp);
7730 		spin_lock_irqsave(&ha->vport_slock, flags);
7731 		atomic_dec(&vp->vref_count);
7732 	}
7733 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7734 
7735 	/* Clear all async request states across all VPs. */
7736 	list_for_each_entry(fcport, &vha->vp_fcports, list)
7737 		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7738 
7739 	spin_lock_irqsave(&ha->vport_slock, flags);
7740 	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7741 		atomic_inc(&vp->vref_count);
7742 		spin_unlock_irqrestore(&ha->vport_slock, flags);
7743 		list_for_each_entry(fcport, &vp->vp_fcports, list)
7744 			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7745 		spin_lock_irqsave(&ha->vport_slock, flags);
7746 		atomic_dec(&vp->vref_count);
7747 	}
7748 	spin_unlock_irqrestore(&ha->vport_slock, flags);
7749 }
7750 
7751 
7752 static pci_ers_result_t
7753 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7754 {
7755 	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7756 	struct qla_hw_data *ha = vha->hw;
7757 	pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
7758 
7759 	ql_log(ql_log_warn, vha, 0x9000,
7760 	       "PCI error detected, state %x.\n", state);
7761 	ha->pci_error_state = QLA_PCI_ERR_DETECTED;
7762 
7763 	if (!atomic_read(&pdev->enable_cnt)) {
7764 		ql_log(ql_log_info, vha, 0xffff,
7765 			"PCI device is disabled,state %x\n", state);
7766 		ret = PCI_ERS_RESULT_NEED_RESET;
7767 		goto out;
7768 	}
7769 
7770 	switch (state) {
7771 	case pci_channel_io_normal:
7772 		qla_pci_set_eeh_busy(vha);
7773 		if (ql2xmqsupport || ql2xnvmeenable) {
7774 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7775 			qla2xxx_wake_dpc(vha);
7776 		}
7777 		ret = PCI_ERS_RESULT_CAN_RECOVER;
7778 		break;
7779 	case pci_channel_io_frozen:
7780 		qla_pci_set_eeh_busy(vha);
7781 		ret = PCI_ERS_RESULT_NEED_RESET;
7782 		break;
7783 	case pci_channel_io_perm_failure:
7784 		ha->flags.pci_channel_io_perm_failure = 1;
7785 		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7786 		if (ql2xmqsupport || ql2xnvmeenable) {
7787 			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7788 			qla2xxx_wake_dpc(vha);
7789 		}
7790 		ret = PCI_ERS_RESULT_DISCONNECT;
7791 	}
7792 out:
7793 	ql_dbg(ql_dbg_aer, vha, 0x600d,
7794 	       "PCI error detected returning [%x].\n", ret);
7795 	return ret;
7796 }
7797 
7798 static pci_ers_result_t
7799 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7800 {
7801 	int risc_paused = 0;
7802 	uint32_t stat;
7803 	unsigned long flags;
7804 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7805 	struct qla_hw_data *ha = base_vha->hw;
7806 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7807 	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7808 
7809 	ql_log(ql_log_warn, base_vha, 0x9000,
7810 	       "mmio enabled\n");
7811 
7812 	ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
7813 
7814 	if (IS_QLA82XX(ha))
7815 		return PCI_ERS_RESULT_RECOVERED;
7816 
7817 	if (qla2x00_isp_reg_stat(ha)) {
7818 		ql_log(ql_log_info, base_vha, 0x803f,
7819 		    "During mmio enabled, PCI/Register disconnect still detected.\n");
7820 		goto out;
7821 	}
7822 
7823 	spin_lock_irqsave(&ha->hardware_lock, flags);
7824 	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7825 		stat = rd_reg_word(&reg->hccr);
7826 		if (stat & HCCR_RISC_PAUSE)
7827 			risc_paused = 1;
7828 	} else if (IS_QLA23XX(ha)) {
7829 		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7830 		if (stat & HSR_RISC_PAUSED)
7831 			risc_paused = 1;
7832 	} else if (IS_FWI2_CAPABLE(ha)) {
7833 		stat = rd_reg_dword(&reg24->host_status);
7834 		if (stat & HSRX_RISC_PAUSED)
7835 			risc_paused = 1;
7836 	}
7837 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7838 
7839 	if (risc_paused) {
7840 		ql_log(ql_log_info, base_vha, 0x9003,
7841 		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7842 		qla2xxx_dump_fw(base_vha);
7843 	}
7844 out:
7845 	/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
7846 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7847 	       "mmio enabled returning.\n");
7848 	return PCI_ERS_RESULT_NEED_RESET;
7849 }
7850 
7851 static pci_ers_result_t
7852 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7853 {
7854 	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7855 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7856 	struct qla_hw_data *ha = base_vha->hw;
7857 	int rc;
7858 	struct qla_qpair *qpair = NULL;
7859 
7860 	ql_log(ql_log_warn, base_vha, 0x9004,
7861 	       "Slot Reset.\n");
7862 
7863 	ha->pci_error_state = QLA_PCI_SLOT_RESET;
7864 	/* Workaround: qla2xxx driver which access hardware earlier
7865 	 * needs error state to be pci_channel_io_online.
7866 	 * Otherwise mailbox command timesout.
7867 	 */
7868 	pdev->error_state = pci_channel_io_normal;
7869 
7870 	pci_restore_state(pdev);
7871 
7872 	/* pci_restore_state() clears the saved_state flag of the device
7873 	 * save restored state which resets saved_state flag
7874 	 */
7875 	pci_save_state(pdev);
7876 
7877 	if (ha->mem_only)
7878 		rc = pci_enable_device_mem(pdev);
7879 	else
7880 		rc = pci_enable_device(pdev);
7881 
7882 	if (rc) {
7883 		ql_log(ql_log_warn, base_vha, 0x9005,
7884 		    "Can't re-enable PCI device after reset.\n");
7885 		goto exit_slot_reset;
7886 	}
7887 
7888 
7889 	if (ha->isp_ops->pci_config(base_vha))
7890 		goto exit_slot_reset;
7891 
7892 	mutex_lock(&ha->mq_lock);
7893 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7894 		qpair->online = 1;
7895 	mutex_unlock(&ha->mq_lock);
7896 
7897 	ha->flags.eeh_busy = 0;
7898 	base_vha->flags.online = 1;
7899 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7900 	ha->isp_ops->abort_isp(base_vha);
7901 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7902 
7903 	if (qla2x00_isp_reg_stat(ha)) {
7904 		ha->flags.eeh_busy = 1;
7905 		qla_pci_error_cleanup(base_vha);
7906 		ql_log(ql_log_warn, base_vha, 0x9005,
7907 		       "Device unable to recover from PCI error.\n");
7908 	} else {
7909 		ret =  PCI_ERS_RESULT_RECOVERED;
7910 	}
7911 
7912 exit_slot_reset:
7913 	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7914 	    "Slot Reset returning %x.\n", ret);
7915 
7916 	return ret;
7917 }
7918 
7919 static void
7920 qla2xxx_pci_resume(struct pci_dev *pdev)
7921 {
7922 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7923 	struct qla_hw_data *ha = base_vha->hw;
7924 	int ret;
7925 
7926 	ql_log(ql_log_warn, base_vha, 0x900f,
7927 	       "Pci Resume.\n");
7928 
7929 
7930 	ret = qla2x00_wait_for_hba_online(base_vha);
7931 	if (ret != QLA_SUCCESS) {
7932 		ql_log(ql_log_fatal, base_vha, 0x9002,
7933 		    "The device failed to resume I/O from slot/link_reset.\n");
7934 	}
7935 	ha->pci_error_state = QLA_PCI_RESUME;
7936 	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7937 	       "Pci Resume returning.\n");
7938 }
7939 
7940 void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
7941 {
7942 	struct qla_hw_data *ha = vha->hw;
7943 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7944 	bool do_cleanup = false;
7945 	unsigned long flags;
7946 
7947 	if (ha->flags.eeh_busy)
7948 		return;
7949 
7950 	spin_lock_irqsave(&base_vha->work_lock, flags);
7951 	if (!ha->flags.eeh_busy) {
7952 		ha->eeh_jif = jiffies;
7953 		ha->flags.eeh_flush = 0;
7954 
7955 		ha->flags.eeh_busy = 1;
7956 		do_cleanup = true;
7957 	}
7958 	spin_unlock_irqrestore(&base_vha->work_lock, flags);
7959 
7960 	if (do_cleanup)
7961 		qla_pci_error_cleanup(base_vha);
7962 }
7963 
7964 /*
7965  * this routine will schedule a task to pause IO from interrupt context
7966  * if caller sees a PCIE error event (register read = 0xf's)
7967  */
7968 void qla_schedule_eeh_work(struct scsi_qla_host *vha)
7969 {
7970 	struct qla_hw_data *ha = vha->hw;
7971 	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7972 
7973 	if (ha->flags.eeh_busy)
7974 		return;
7975 
7976 	set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
7977 	qla2xxx_wake_dpc(base_vha);
7978 }
7979 
7980 static void
7981 qla_pci_reset_prepare(struct pci_dev *pdev)
7982 {
7983 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7984 	struct qla_hw_data *ha = base_vha->hw;
7985 	struct qla_qpair *qpair;
7986 
7987 	ql_log(ql_log_warn, base_vha, 0xffff,
7988 	    "%s.\n", __func__);
7989 
7990 	/*
7991 	 * PCI FLR/function reset is about to reset the
7992 	 * slot. Stop the chip to stop all DMA access.
7993 	 * It is assumed that pci_reset_done will be called
7994 	 * after FLR to resume Chip operation.
7995 	 */
7996 	ha->flags.eeh_busy = 1;
7997 	mutex_lock(&ha->mq_lock);
7998 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7999 		qpair->online = 0;
8000 	mutex_unlock(&ha->mq_lock);
8001 
8002 	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8003 	qla2x00_abort_isp_cleanup(base_vha);
8004 	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
8005 }
8006 
8007 static void
8008 qla_pci_reset_done(struct pci_dev *pdev)
8009 {
8010 	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8011 	struct qla_hw_data *ha = base_vha->hw;
8012 	struct qla_qpair *qpair;
8013 
8014 	ql_log(ql_log_warn, base_vha, 0xffff,
8015 	    "%s.\n", __func__);
8016 
8017 	/*
8018 	 * FLR just completed by PCI layer. Resume adapter
8019 	 */
8020 	ha->flags.eeh_busy = 0;
8021 	mutex_lock(&ha->mq_lock);
8022 	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8023 		qpair->online = 1;
8024 	mutex_unlock(&ha->mq_lock);
8025 
8026 	base_vha->flags.online = 1;
8027 	ha->isp_ops->abort_isp(base_vha);
8028 	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8029 }
8030 
8031 static void qla2xxx_map_queues(struct Scsi_Host *shost)
8032 {
8033 	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
8034 	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
8035 
8036 	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
8037 		blk_mq_map_queues(qmap);
8038 	else
8039 		blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
8040 }
8041 
8042 struct scsi_host_template qla2xxx_driver_template = {
8043 	.module			= THIS_MODULE,
8044 	.name			= QLA2XXX_DRIVER_NAME,
8045 	.queuecommand		= qla2xxx_queuecommand,
8046 
8047 	.eh_timed_out		= fc_eh_timed_out,
8048 	.eh_abort_handler	= qla2xxx_eh_abort,
8049 	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
8050 	.eh_device_reset_handler = qla2xxx_eh_device_reset,
8051 	.eh_target_reset_handler = qla2xxx_eh_target_reset,
8052 	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
8053 	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
8054 
8055 	.slave_configure	= qla2xxx_slave_configure,
8056 
8057 	.slave_alloc		= qla2xxx_slave_alloc,
8058 	.slave_destroy		= qla2xxx_slave_destroy,
8059 	.scan_finished		= qla2xxx_scan_finished,
8060 	.scan_start		= qla2xxx_scan_start,
8061 	.change_queue_depth	= scsi_change_queue_depth,
8062 	.map_queues             = qla2xxx_map_queues,
8063 	.this_id		= -1,
8064 	.cmd_per_lun		= 3,
8065 	.sg_tablesize		= SG_ALL,
8066 
8067 	.max_sectors		= 0xFFFF,
8068 	.shost_groups		= qla2x00_host_groups,
8069 
8070 	.supported_mode		= MODE_INITIATOR,
8071 	.track_queue_depth	= 1,
8072 	.cmd_size		= sizeof(srb_t),
8073 };
8074 
8075 static const struct pci_error_handlers qla2xxx_err_handler = {
8076 	.error_detected = qla2xxx_pci_error_detected,
8077 	.mmio_enabled = qla2xxx_pci_mmio_enabled,
8078 	.slot_reset = qla2xxx_pci_slot_reset,
8079 	.resume = qla2xxx_pci_resume,
8080 	.reset_prepare = qla_pci_reset_prepare,
8081 	.reset_done = qla_pci_reset_done,
8082 };
8083 
8084 static struct pci_device_id qla2xxx_pci_tbl[] = {
8085 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
8086 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
8087 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
8088 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
8089 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
8090 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
8091 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
8092 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
8093 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
8094 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
8095 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
8096 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
8097 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
8098 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
8099 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
8100 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
8101 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
8102 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
8103 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
8104 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
8105 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
8106 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
8107 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
8108 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
8109 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
8110 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
8111 	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
8112 	{ 0 },
8113 };
8114 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
8115 
8116 static struct pci_driver qla2xxx_pci_driver = {
8117 	.name		= QLA2XXX_DRIVER_NAME,
8118 	.driver		= {
8119 		.owner		= THIS_MODULE,
8120 	},
8121 	.id_table	= qla2xxx_pci_tbl,
8122 	.probe		= qla2x00_probe_one,
8123 	.remove		= qla2x00_remove_one,
8124 	.shutdown	= qla2x00_shutdown,
8125 	.err_handler	= &qla2xxx_err_handler,
8126 };
8127 
8128 static const struct file_operations apidev_fops = {
8129 	.owner = THIS_MODULE,
8130 	.llseek = noop_llseek,
8131 };
8132 
8133 /**
8134  * qla2x00_module_init - Module initialization.
8135  **/
8136 static int __init
8137 qla2x00_module_init(void)
8138 {
8139 	int ret = 0;
8140 
8141 	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
8142 	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
8143 	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
8144 	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
8145 	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
8146 	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
8147 	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
8148 	BUILD_BUG_ON(sizeof(request_t) != 64);
8149 	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
8150 	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
8151 	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
8152 	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
8153 	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
8154 	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
8155 	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
8156 	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
8157 	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
8158 	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
8159 	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
8160 	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
8161 	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2604);
8162 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
8163 	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
8164 	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
8165 	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
8166 	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
8167 	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
8168 	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
8169 	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
8170 	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
8171 	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
8172 	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
8173 	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
8174 	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
8175 	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
8176 	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
8177 	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
8178 	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
8179 	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
8180 	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
8181 	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
8182 	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
8183 	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
8184 	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
8185 	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
8186 	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
8187 	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
8188 	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
8189 	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
8190 	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
8191 	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
8192 	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
8193 	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
8194 	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
8195 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
8196 	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
8197 	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
8198 	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
8199 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
8200 	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
8201 	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
8202 	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
8203 	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
8204 	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
8205 	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
8206 	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
8207 	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
8208 	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
8209 	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
8210 	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
8211 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
8212 	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
8213 	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
8214 	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
8215 	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
8216 	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
8217 	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
8218 	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
8219 	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
8220 	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
8221 	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
8222 	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
8223 	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
8224 	BUILD_BUG_ON(sizeof(target_id_t) != 2);
8225 
8226 	qla_trace_init();
8227 
8228 	/* Allocate cache for SRBs. */
8229 	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
8230 	    SLAB_HWCACHE_ALIGN, NULL);
8231 	if (srb_cachep == NULL) {
8232 		ql_log(ql_log_fatal, NULL, 0x0001,
8233 		    "Unable to allocate SRB cache...Failing load!.\n");
8234 		return -ENOMEM;
8235 	}
8236 
8237 	/* Initialize target kmem_cache and mem_pools */
8238 	ret = qlt_init();
8239 	if (ret < 0) {
8240 		goto destroy_cache;
8241 	} else if (ret > 0) {
8242 		/*
8243 		 * If initiator mode is explictly disabled by qlt_init(),
8244 		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
8245 		 * performing scsi_scan_target() during LOOP UP event.
8246 		 */
8247 		qla2xxx_transport_functions.disable_target_scan = 1;
8248 		qla2xxx_transport_vport_functions.disable_target_scan = 1;
8249 	}
8250 
8251 	/* Derive version string. */
8252 	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
8253 	if (ql2xextended_error_logging)
8254 		strcat(qla2x00_version_str, "-debug");
8255 	if (ql2xextended_error_logging == 1)
8256 		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
8257 
8258 	qla2xxx_transport_template =
8259 	    fc_attach_transport(&qla2xxx_transport_functions);
8260 	if (!qla2xxx_transport_template) {
8261 		ql_log(ql_log_fatal, NULL, 0x0002,
8262 		    "fc_attach_transport failed...Failing load!.\n");
8263 		ret = -ENODEV;
8264 		goto qlt_exit;
8265 	}
8266 
8267 	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
8268 	if (apidev_major < 0) {
8269 		ql_log(ql_log_fatal, NULL, 0x0003,
8270 		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
8271 	}
8272 
8273 	qla2xxx_transport_vport_template =
8274 	    fc_attach_transport(&qla2xxx_transport_vport_functions);
8275 	if (!qla2xxx_transport_vport_template) {
8276 		ql_log(ql_log_fatal, NULL, 0x0004,
8277 		    "fc_attach_transport vport failed...Failing load!.\n");
8278 		ret = -ENODEV;
8279 		goto unreg_chrdev;
8280 	}
8281 	ql_log(ql_log_info, NULL, 0x0005,
8282 	    "QLogic Fibre Channel HBA Driver: %s.\n",
8283 	    qla2x00_version_str);
8284 	ret = pci_register_driver(&qla2xxx_pci_driver);
8285 	if (ret) {
8286 		ql_log(ql_log_fatal, NULL, 0x0006,
8287 		    "pci_register_driver failed...ret=%d Failing load!.\n",
8288 		    ret);
8289 		goto release_vport_transport;
8290 	}
8291 	return ret;
8292 
8293 release_vport_transport:
8294 	fc_release_transport(qla2xxx_transport_vport_template);
8295 
8296 unreg_chrdev:
8297 	if (apidev_major >= 0)
8298 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8299 	fc_release_transport(qla2xxx_transport_template);
8300 
8301 qlt_exit:
8302 	qlt_exit();
8303 
8304 destroy_cache:
8305 	kmem_cache_destroy(srb_cachep);
8306 
8307 	qla_trace_uninit();
8308 	return ret;
8309 }
8310 
8311 /**
8312  * qla2x00_module_exit - Module cleanup.
8313  **/
8314 static void __exit
8315 qla2x00_module_exit(void)
8316 {
8317 	pci_unregister_driver(&qla2xxx_pci_driver);
8318 	qla2x00_release_firmware();
8319 	kmem_cache_destroy(ctx_cachep);
8320 	fc_release_transport(qla2xxx_transport_vport_template);
8321 	if (apidev_major >= 0)
8322 		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8323 	fc_release_transport(qla2xxx_transport_template);
8324 	qlt_exit();
8325 	kmem_cache_destroy(srb_cachep);
8326 	qla_trace_uninit();
8327 }
8328 
8329 module_init(qla2x00_module_init);
8330 module_exit(qla2x00_module_exit);
8331 
8332 MODULE_AUTHOR("QLogic Corporation");
8333 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8334 MODULE_LICENSE("GPL");
8335 MODULE_FIRMWARE(FW_FILE_ISP21XX);
8336 MODULE_FIRMWARE(FW_FILE_ISP22XX);
8337 MODULE_FIRMWARE(FW_FILE_ISP2300);
8338 MODULE_FIRMWARE(FW_FILE_ISP2322);
8339 MODULE_FIRMWARE(FW_FILE_ISP24XX);
8340 MODULE_FIRMWARE(FW_FILE_ISP25XX);
8341