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 */
31char qla2x00_version_str[40];
32
33static int apidev_major;
34
35/*
36 * SRB allocation cache
37 */
38struct kmem_cache *srb_cachep;
39
40static struct trace_array *qla_trc_array;
41
42int ql2xfulldump_on_mpifail;
43module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
44MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
45		 "Set this to take full dump on MPI hang.");
46
47int ql2xenforce_iocb_limit = 2;
48module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
49MODULE_PARM_DESC(ql2xenforce_iocb_limit,
50		 "Enforce IOCB throttling, to avoid FW congestion. (default: 2) "
51		 "1: track usage per queue, 2: track usage per adapter");
52
53/*
54 * CT6 CTX allocation cache
55 */
56static struct kmem_cache *ctx_cachep;
57/*
58 * error level for logging
59 */
60uint ql_errlev = 0x8001;
61
62int ql2xsecenable;
63module_param(ql2xsecenable, int, S_IRUGO);
64MODULE_PARM_DESC(ql2xsecenable,
65	"Enable/disable security. 0(Default) - Security disabled. 1 - Security enabled.");
66
67static int ql2xenableclass2;
68module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
69MODULE_PARM_DESC(ql2xenableclass2,
70		"Specify if Class 2 operations are supported from the very "
71		"beginning. Default is 0 - class 2 not supported.");
72
73
74int ql2xlogintimeout = 20;
75module_param(ql2xlogintimeout, int, S_IRUGO);
76MODULE_PARM_DESC(ql2xlogintimeout,
77		"Login timeout value in seconds.");
78
79int qlport_down_retry;
80module_param(qlport_down_retry, int, S_IRUGO);
81MODULE_PARM_DESC(qlport_down_retry,
82		"Maximum number of command retries to a port that returns "
83		"a PORT-DOWN status.");
84
85int ql2xplogiabsentdevice;
86module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
87MODULE_PARM_DESC(ql2xplogiabsentdevice,
88		"Option to enable PLOGI to devices that are not present after "
89		"a Fabric scan.  This is needed for several broken switches. "
90		"Default is 0 - no PLOGI. 1 - perform PLOGI.");
91
92int ql2xloginretrycount;
93module_param(ql2xloginretrycount, int, S_IRUGO);
94MODULE_PARM_DESC(ql2xloginretrycount,
95		"Specify an alternate value for the NVRAM login retry count.");
96
97int ql2xallocfwdump = 1;
98module_param(ql2xallocfwdump, int, S_IRUGO);
99MODULE_PARM_DESC(ql2xallocfwdump,
100		"Option to enable allocation of memory for a firmware dump "
101		"during HBA initialization.  Memory allocation requirements "
102		"vary by ISP type.  Default is 1 - allocate memory.");
103
104int ql2xextended_error_logging;
105module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
106module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
107MODULE_PARM_DESC(ql2xextended_error_logging,
108		"Option to enable extended error logging,\n"
109		"\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
110		"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
111		"\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
112		"\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
113		"\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
114		"\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
115		"\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
116		"\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
117		"\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
118		"\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
119		"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
120		"\t\t0x1e400000 - Preferred value for capturing essential "
121		"debug information (equivalent to old "
122		"ql2xextended_error_logging=1).\n"
123		"\t\tDo LOGICAL OR of the value to enable more than one level");
124
125int ql2xextended_error_logging_ktrace = 1;
126module_param(ql2xextended_error_logging_ktrace, int, S_IRUGO|S_IWUSR);
127MODULE_PARM_DESC(ql2xextended_error_logging_ktrace,
128		"Same BIT definition as ql2xextended_error_logging, but used to control logging to kernel trace buffer (default=1).\n");
129
130int ql2xshiftctondsd = 6;
131module_param(ql2xshiftctondsd, int, S_IRUGO);
132MODULE_PARM_DESC(ql2xshiftctondsd,
133		"Set to control shifting of command type processing "
134		"based on total number of SG elements.");
135
136int ql2xfdmienable = 1;
137module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
138module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
139MODULE_PARM_DESC(ql2xfdmienable,
140		"Enables FDMI registrations. "
141		"0 - no FDMI registrations. "
142		"1 - provide FDMI registrations (default).");
143
144#define MAX_Q_DEPTH	64
145static int ql2xmaxqdepth = MAX_Q_DEPTH;
146module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
147MODULE_PARM_DESC(ql2xmaxqdepth,
148		"Maximum queue depth to set for each LUN. "
149		"Default is 64.");
150
151int ql2xenabledif = 2;
152module_param(ql2xenabledif, int, S_IRUGO);
153MODULE_PARM_DESC(ql2xenabledif,
154		" Enable T10-CRC-DIF:\n"
155		" Default is 2.\n"
156		"  0 -- No DIF Support\n"
157		"  1 -- Enable DIF for all types\n"
158		"  2 -- Enable DIF for all types, except Type 0.\n");
159
160#if (IS_ENABLED(CONFIG_NVME_FC))
161int ql2xnvmeenable = 1;
162#else
163int ql2xnvmeenable;
164#endif
165module_param(ql2xnvmeenable, int, 0644);
166MODULE_PARM_DESC(ql2xnvmeenable,
167    "Enables NVME support. "
168    "0 - no NVMe.  Default is Y");
169
170int ql2xenablehba_err_chk = 2;
171module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
172MODULE_PARM_DESC(ql2xenablehba_err_chk,
173		" Enable T10-CRC-DIF Error isolation by HBA:\n"
174		" Default is 2.\n"
175		"  0 -- Error isolation disabled\n"
176		"  1 -- Error isolation enabled only for DIX Type 0\n"
177		"  2 -- Error isolation enabled for all Types\n");
178
179int ql2xiidmaenable = 1;
180module_param(ql2xiidmaenable, int, S_IRUGO);
181MODULE_PARM_DESC(ql2xiidmaenable,
182		"Enables iIDMA settings "
183		"Default is 1 - perform iIDMA. 0 - no iIDMA.");
184
185int ql2xmqsupport = 1;
186module_param(ql2xmqsupport, int, S_IRUGO);
187MODULE_PARM_DESC(ql2xmqsupport,
188		"Enable on demand multiple queue pairs support "
189		"Default is 1 for supported. "
190		"Set it to 0 to turn off mq qpair support.");
191
192int ql2xfwloadbin;
193module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
194module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
195MODULE_PARM_DESC(ql2xfwloadbin,
196		"Option to specify location from which to load ISP firmware:.\n"
197		" 2 -- load firmware via the request_firmware() (hotplug).\n"
198		"      interface.\n"
199		" 1 -- load firmware from flash.\n"
200		" 0 -- use default semantics.\n");
201
202int ql2xetsenable;
203module_param(ql2xetsenable, int, S_IRUGO);
204MODULE_PARM_DESC(ql2xetsenable,
205		"Enables firmware ETS burst."
206		"Default is 0 - skip ETS enablement.");
207
208int ql2xdbwr = 1;
209module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
210MODULE_PARM_DESC(ql2xdbwr,
211		"Option to specify scheme for request queue posting.\n"
212		" 0 -- Regular doorbell.\n"
213		" 1 -- CAMRAM doorbell (faster).\n");
214
215int ql2xgffidenable;
216module_param(ql2xgffidenable, int, S_IRUGO);
217MODULE_PARM_DESC(ql2xgffidenable,
218		"Enables GFF_ID checks of port type. "
219		"Default is 0 - Do not use GFF_ID information.");
220
221int ql2xasynctmfenable = 1;
222module_param(ql2xasynctmfenable, int, S_IRUGO);
223MODULE_PARM_DESC(ql2xasynctmfenable,
224		"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
225		"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
226
227int ql2xdontresethba;
228module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
229MODULE_PARM_DESC(ql2xdontresethba,
230		"Option to specify reset behaviour.\n"
231		" 0 (Default) -- Reset on failure.\n"
232		" 1 -- Do not reset on failure.\n");
233
234uint64_t ql2xmaxlun = MAX_LUNS;
235module_param(ql2xmaxlun, ullong, S_IRUGO);
236MODULE_PARM_DESC(ql2xmaxlun,
237		"Defines the maximum LU number to register with the SCSI "
238		"midlayer. Default is 65535.");
239
240int ql2xmdcapmask = 0x1F;
241module_param(ql2xmdcapmask, int, S_IRUGO);
242MODULE_PARM_DESC(ql2xmdcapmask,
243		"Set the Minidump driver capture mask level. "
244		"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
245
246int ql2xmdenable = 1;
247module_param(ql2xmdenable, int, S_IRUGO);
248MODULE_PARM_DESC(ql2xmdenable,
249		"Enable/disable MiniDump. "
250		"0 - MiniDump disabled. "
251		"1 (Default) - MiniDump enabled.");
252
253int ql2xexlogins;
254module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
255MODULE_PARM_DESC(ql2xexlogins,
256		 "Number of extended Logins. "
257		 "0 (Default)- Disabled.");
258
259int ql2xexchoffld = 1024;
260module_param(ql2xexchoffld, uint, 0644);
261MODULE_PARM_DESC(ql2xexchoffld,
262	"Number of target exchanges.");
263
264int ql2xiniexchg = 1024;
265module_param(ql2xiniexchg, uint, 0644);
266MODULE_PARM_DESC(ql2xiniexchg,
267	"Number of initiator exchanges.");
268
269int ql2xfwholdabts;
270module_param(ql2xfwholdabts, int, S_IRUGO);
271MODULE_PARM_DESC(ql2xfwholdabts,
272		"Allow FW to hold status IOCB until ABTS rsp received. "
273		"0 (Default) Do not set fw option. "
274		"1 - Set fw option to hold ABTS.");
275
276int ql2xmvasynctoatio = 1;
277module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
278MODULE_PARM_DESC(ql2xmvasynctoatio,
279		"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
280		"0 (Default). Do not move IOCBs"
281		"1 - Move IOCBs.");
282
283int ql2xautodetectsfp = 1;
284module_param(ql2xautodetectsfp, int, 0444);
285MODULE_PARM_DESC(ql2xautodetectsfp,
286		 "Detect SFP range and set appropriate distance.\n"
287		 "1 (Default): Enable\n");
288
289int ql2xenablemsix = 1;
290module_param(ql2xenablemsix, int, 0444);
291MODULE_PARM_DESC(ql2xenablemsix,
292		 "Set to enable MSI or MSI-X interrupt mechanism.\n"
293		 " Default is 1, enable MSI-X interrupt mechanism.\n"
294		 " 0 -- enable traditional pin-based mechanism.\n"
295		 " 1 -- enable MSI-X interrupt mechanism.\n"
296		 " 2 -- enable MSI interrupt mechanism.\n");
297
298int qla2xuseresexchforels;
299module_param(qla2xuseresexchforels, int, 0444);
300MODULE_PARM_DESC(qla2xuseresexchforels,
301		 "Reserve 1/2 of emergency exchanges for ELS.\n"
302		 " 0 (default): disabled");
303
304static int ql2xprotmask;
305module_param(ql2xprotmask, int, 0644);
306MODULE_PARM_DESC(ql2xprotmask,
307		 "Override DIF/DIX protection capabilities mask\n"
308		 "Default is 0 which sets protection mask based on "
309		 "capabilities reported by HBA firmware.\n");
310
311static int ql2xprotguard;
312module_param(ql2xprotguard, int, 0644);
313MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
314		 "  0 -- Let HBA firmware decide\n"
315		 "  1 -- Force T10 CRC\n"
316		 "  2 -- Force IP checksum\n");
317
318int ql2xdifbundlinginternalbuffers;
319module_param(ql2xdifbundlinginternalbuffers, int, 0644);
320MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
321    "Force using internal buffers for DIF information\n"
322    "0 (Default). Based on check.\n"
323    "1 Force using internal buffers\n");
324
325int ql2xsmartsan;
326module_param(ql2xsmartsan, int, 0444);
327module_param_named(smartsan, ql2xsmartsan, int, 0444);
328MODULE_PARM_DESC(ql2xsmartsan,
329		"Send SmartSAN Management Attributes for FDMI Registration."
330		" Default is 0 - No SmartSAN registration,"
331		" 1 - Register SmartSAN Management Attributes.");
332
333int ql2xrdpenable;
334module_param(ql2xrdpenable, int, 0444);
335module_param_named(rdpenable, ql2xrdpenable, int, 0444);
336MODULE_PARM_DESC(ql2xrdpenable,
337		"Enables RDP responses. "
338		"0 - no RDP responses (default). "
339		"1 - provide RDP responses.");
340int ql2xabts_wait_nvme = 1;
341module_param(ql2xabts_wait_nvme, int, 0444);
342MODULE_PARM_DESC(ql2xabts_wait_nvme,
343		 "To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
344
345
346static u32 ql2xdelay_before_pci_error_handling = 5;
347module_param(ql2xdelay_before_pci_error_handling, uint, 0644);
348MODULE_PARM_DESC(ql2xdelay_before_pci_error_handling,
349	"Number of seconds delayed before qla begin PCI error self-handling (default: 5).\n");
350
351static void qla2x00_clear_drv_active(struct qla_hw_data *);
352static void qla2x00_free_device(scsi_qla_host_t *);
353static void qla2xxx_map_queues(struct Scsi_Host *shost);
354static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
355
356u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
357module_param(ql2xnvme_queues, uint, S_IRUGO);
358MODULE_PARM_DESC(ql2xnvme_queues,
359	"Number of NVMe Queues that can be configured.\n"
360	"Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n"
361	"1 - Minimum number of queues supported\n"
362	"8 - Default value");
363
364int ql2xfc2target = 1;
365module_param(ql2xfc2target, int, 0444);
366MODULE_PARM_DESC(qla2xfc2target,
367		  "Enables FC2 Target support. "
368		  "0 - FC2 Target support is disabled. "
369		  "1 - FC2 Target support is enabled (default).");
370
371static struct scsi_transport_template *qla2xxx_transport_template = NULL;
372struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
373
374/* TODO Convert to inlines
375 *
376 * Timer routines
377 */
378
379__inline__ void
380qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
381{
382	timer_setup(&vha->timer, qla2x00_timer, 0);
383	vha->timer.expires = jiffies + interval * HZ;
384	add_timer(&vha->timer);
385	vha->timer_active = 1;
386}
387
388static inline void
389qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
390{
391	/* Currently used for 82XX only. */
392	if (vha->device_flags & DFLG_DEV_FAILED) {
393		ql_dbg(ql_dbg_timer, vha, 0x600d,
394		    "Device in a failed state, returning.\n");
395		return;
396	}
397
398	mod_timer(&vha->timer, jiffies + interval * HZ);
399}
400
401static __inline__ void
402qla2x00_stop_timer(scsi_qla_host_t *vha)
403{
404	del_timer_sync(&vha->timer);
405	vha->timer_active = 0;
406}
407
408static int qla2x00_do_dpc(void *data);
409
410static void qla2x00_rst_aen(scsi_qla_host_t *);
411
412static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
413	struct req_que **, struct rsp_que **);
414static void qla2x00_free_fw_dump(struct qla_hw_data *);
415static void qla2x00_mem_free(struct qla_hw_data *);
416int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
417	struct qla_qpair *qpair);
418
419/* -------------------------------------------------------------------------- */
420static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
421    struct rsp_que *rsp)
422{
423	struct qla_hw_data *ha = vha->hw;
424
425	rsp->qpair = ha->base_qpair;
426	rsp->req = req;
427	ha->base_qpair->hw = ha;
428	ha->base_qpair->req = req;
429	ha->base_qpair->rsp = rsp;
430	ha->base_qpair->vha = vha;
431	ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
432	ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
433	ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
434	ha->base_qpair->srb_mempool = ha->srb_mempool;
435	INIT_LIST_HEAD(&ha->base_qpair->hints_list);
436	INIT_LIST_HEAD(&ha->base_qpair->dsd_list);
437	ha->base_qpair->enable_class_2 = ql2xenableclass2;
438	/* init qpair to this cpu. Will adjust at run time. */
439	qla_cpu_update(rsp->qpair, raw_smp_processor_id());
440	ha->base_qpair->pdev = ha->pdev;
441
442	if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
443		ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
444}
445
446static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
447				struct rsp_que *rsp)
448{
449	scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
450
451	ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
452				GFP_KERNEL);
453	if (!ha->req_q_map) {
454		ql_log(ql_log_fatal, vha, 0x003b,
455		    "Unable to allocate memory for request queue ptrs.\n");
456		goto fail_req_map;
457	}
458
459	ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
460				GFP_KERNEL);
461	if (!ha->rsp_q_map) {
462		ql_log(ql_log_fatal, vha, 0x003c,
463		    "Unable to allocate memory for response queue ptrs.\n");
464		goto fail_rsp_map;
465	}
466
467	ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
468	if (ha->base_qpair == NULL) {
469		ql_log(ql_log_warn, vha, 0x00e0,
470		    "Failed to allocate base queue pair memory.\n");
471		goto fail_base_qpair;
472	}
473
474	qla_init_base_qpair(vha, req, rsp);
475
476	if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
477		ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
478			GFP_KERNEL);
479		if (!ha->queue_pair_map) {
480			ql_log(ql_log_fatal, vha, 0x0180,
481			    "Unable to allocate memory for queue pair ptrs.\n");
482			goto fail_qpair_map;
483		}
484		if (qla_mapq_alloc_qp_cpu_map(ha) != 0) {
485			kfree(ha->queue_pair_map);
486			ha->queue_pair_map = NULL;
487			goto fail_qpair_map;
488		}
489	}
490
491	/*
492	 * Make sure we record at least the request and response queue zero in
493	 * case we need to free them if part of the probe fails.
494	 */
495	ha->rsp_q_map[0] = rsp;
496	ha->req_q_map[0] = req;
497	set_bit(0, ha->rsp_qid_map);
498	set_bit(0, ha->req_qid_map);
499	return 0;
500
501fail_qpair_map:
502	kfree(ha->base_qpair);
503	ha->base_qpair = NULL;
504fail_base_qpair:
505	kfree(ha->rsp_q_map);
506	ha->rsp_q_map = NULL;
507fail_rsp_map:
508	kfree(ha->req_q_map);
509	ha->req_q_map = NULL;
510fail_req_map:
511	return -ENOMEM;
512}
513
514static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
515{
516	if (IS_QLAFX00(ha)) {
517		if (req && req->ring_fx00)
518			dma_free_coherent(&ha->pdev->dev,
519			    (req->length_fx00 + 1) * sizeof(request_t),
520			    req->ring_fx00, req->dma_fx00);
521	} else if (req && req->ring)
522		dma_free_coherent(&ha->pdev->dev,
523		(req->length + 1) * sizeof(request_t),
524		req->ring, req->dma);
525
526	if (req)
527		kfree(req->outstanding_cmds);
528
529	kfree(req);
530}
531
532static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
533{
534	if (IS_QLAFX00(ha)) {
535		if (rsp && rsp->ring_fx00)
536			dma_free_coherent(&ha->pdev->dev,
537			    (rsp->length_fx00 + 1) * sizeof(request_t),
538			    rsp->ring_fx00, rsp->dma_fx00);
539	} else if (rsp && rsp->ring) {
540		dma_free_coherent(&ha->pdev->dev,
541		(rsp->length + 1) * sizeof(response_t),
542		rsp->ring, rsp->dma);
543	}
544	kfree(rsp);
545}
546
547static void qla2x00_free_queues(struct qla_hw_data *ha)
548{
549	struct req_que *req;
550	struct rsp_que *rsp;
551	int cnt;
552	unsigned long flags;
553
554	if (ha->queue_pair_map) {
555		kfree(ha->queue_pair_map);
556		ha->queue_pair_map = NULL;
557	}
558	if (ha->base_qpair) {
559		kfree(ha->base_qpair);
560		ha->base_qpair = NULL;
561	}
562
563	qla_mapq_free_qp_cpu_map(ha);
564	spin_lock_irqsave(&ha->hardware_lock, flags);
565	for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
566		if (!test_bit(cnt, ha->req_qid_map))
567			continue;
568
569		req = ha->req_q_map[cnt];
570		clear_bit(cnt, ha->req_qid_map);
571		ha->req_q_map[cnt] = NULL;
572
573		spin_unlock_irqrestore(&ha->hardware_lock, flags);
574		qla2x00_free_req_que(ha, req);
575		spin_lock_irqsave(&ha->hardware_lock, flags);
576	}
577	spin_unlock_irqrestore(&ha->hardware_lock, flags);
578
579	kfree(ha->req_q_map);
580	ha->req_q_map = NULL;
581
582
583	spin_lock_irqsave(&ha->hardware_lock, flags);
584	for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
585		if (!test_bit(cnt, ha->rsp_qid_map))
586			continue;
587
588		rsp = ha->rsp_q_map[cnt];
589		clear_bit(cnt, ha->rsp_qid_map);
590		ha->rsp_q_map[cnt] =  NULL;
591		spin_unlock_irqrestore(&ha->hardware_lock, flags);
592		qla2x00_free_rsp_que(ha, rsp);
593		spin_lock_irqsave(&ha->hardware_lock, flags);
594	}
595	spin_unlock_irqrestore(&ha->hardware_lock, flags);
596
597	kfree(ha->rsp_q_map);
598	ha->rsp_q_map = NULL;
599}
600
601static char *
602qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
603{
604	struct qla_hw_data *ha = vha->hw;
605	static const char *const pci_bus_modes[] = {
606		"33", "66", "100", "133",
607	};
608	uint16_t pci_bus;
609
610	pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
611	if (pci_bus) {
612		snprintf(str, str_len, "PCI-X (%s MHz)",
613			 pci_bus_modes[pci_bus]);
614	} else {
615		pci_bus = (ha->pci_attr & BIT_8) >> 8;
616		snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
617	}
618
619	return str;
620}
621
622static char *
623qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
624{
625	static const char *const pci_bus_modes[] = {
626		"33", "66", "100", "133",
627	};
628	struct qla_hw_data *ha = vha->hw;
629	uint32_t pci_bus;
630
631	if (pci_is_pcie(ha->pdev)) {
632		uint32_t lstat, lspeed, lwidth;
633		const char *speed_str;
634
635		pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
636		lspeed = lstat & PCI_EXP_LNKCAP_SLS;
637		lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
638
639		switch (lspeed) {
640		case 1:
641			speed_str = "2.5GT/s";
642			break;
643		case 2:
644			speed_str = "5.0GT/s";
645			break;
646		case 3:
647			speed_str = "8.0GT/s";
648			break;
649		case 4:
650			speed_str = "16.0GT/s";
651			break;
652		default:
653			speed_str = "<unknown>";
654			break;
655		}
656		snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
657
658		return str;
659	}
660
661	pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
662	if (pci_bus == 0 || pci_bus == 8)
663		snprintf(str, str_len, "PCI (%s MHz)",
664			 pci_bus_modes[pci_bus >> 3]);
665	else
666		snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
667			 pci_bus & 4 ? 2 : 1,
668			 pci_bus_modes[pci_bus & 3]);
669
670	return str;
671}
672
673static char *
674qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
675{
676	char un_str[10];
677	struct qla_hw_data *ha = vha->hw;
678
679	snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
680	    ha->fw_minor_version, ha->fw_subminor_version);
681
682	if (ha->fw_attributes & BIT_9) {
683		strcat(str, "FLX");
684		return (str);
685	}
686
687	switch (ha->fw_attributes & 0xFF) {
688	case 0x7:
689		strcat(str, "EF");
690		break;
691	case 0x17:
692		strcat(str, "TP");
693		break;
694	case 0x37:
695		strcat(str, "IP");
696		break;
697	case 0x77:
698		strcat(str, "VI");
699		break;
700	default:
701		sprintf(un_str, "(%x)", ha->fw_attributes);
702		strcat(str, un_str);
703		break;
704	}
705	if (ha->fw_attributes & 0x100)
706		strcat(str, "X");
707
708	return (str);
709}
710
711static char *
712qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
713{
714	struct qla_hw_data *ha = vha->hw;
715
716	snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
717	    ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
718	return str;
719}
720
721void qla2x00_sp_free_dma(srb_t *sp)
722{
723	struct qla_hw_data *ha = sp->vha->hw;
724	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
725
726	if (sp->flags & SRB_DMA_VALID) {
727		scsi_dma_unmap(cmd);
728		sp->flags &= ~SRB_DMA_VALID;
729	}
730
731	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
732		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
733		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
734		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
735	}
736
737	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
738		/* List assured to be having elements */
739		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
740		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
741	}
742
743	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
744		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
745
746		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
747		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
748	}
749
750	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
751		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
752
753		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
754		    ctx1->fcp_cmnd_dma);
755		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
756		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
757		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
758	}
759
760	if (sp->flags & SRB_GOT_BUF)
761		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
762}
763
764void qla2x00_sp_compl(srb_t *sp, int res)
765{
766	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
767	struct completion *comp = sp->comp;
768
769	/* kref: INIT */
770	kref_put(&sp->cmd_kref, qla2x00_sp_release);
771	cmd->result = res;
772	sp->type = 0;
773	scsi_done(cmd);
774	if (comp)
775		complete(comp);
776}
777
778void qla2xxx_qpair_sp_free_dma(srb_t *sp)
779{
780	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
781	struct qla_hw_data *ha = sp->fcport->vha->hw;
782
783	if (sp->flags & SRB_DMA_VALID) {
784		scsi_dma_unmap(cmd);
785		sp->flags &= ~SRB_DMA_VALID;
786	}
787
788	if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
789		dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
790		    scsi_prot_sg_count(cmd), cmd->sc_data_direction);
791		sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
792	}
793
794	if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
795		/* List assured to be having elements */
796		qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
797		sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
798	}
799
800	if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
801		struct crc_context *difctx = sp->u.scmd.crc_ctx;
802		struct dsd_dma *dif_dsd, *nxt_dsd;
803
804		list_for_each_entry_safe(dif_dsd, nxt_dsd,
805		    &difctx->ldif_dma_hndl_list, list) {
806			list_del(&dif_dsd->list);
807			dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
808			    dif_dsd->dsd_list_dma);
809			kfree(dif_dsd);
810			difctx->no_dif_bundl--;
811		}
812
813		list_for_each_entry_safe(dif_dsd, nxt_dsd,
814		    &difctx->ldif_dsd_list, list) {
815			list_del(&dif_dsd->list);
816			dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
817			    dif_dsd->dsd_list_dma);
818			kfree(dif_dsd);
819			difctx->no_ldif_dsd--;
820		}
821
822		if (difctx->no_ldif_dsd) {
823			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
824			    "%s: difctx->no_ldif_dsd=%x\n",
825			    __func__, difctx->no_ldif_dsd);
826		}
827
828		if (difctx->no_dif_bundl) {
829			ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
830			    "%s: difctx->no_dif_bundl=%x\n",
831			    __func__, difctx->no_dif_bundl);
832		}
833		sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
834	}
835
836	if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
837		struct ct6_dsd *ctx1 = &sp->u.scmd.ct6_ctx;
838
839		dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
840		    ctx1->fcp_cmnd_dma);
841		list_splice(&ctx1->dsd_list, &sp->qpair->dsd_list);
842		sp->qpair->dsd_inuse -= ctx1->dsd_use_cnt;
843		sp->qpair->dsd_avail += ctx1->dsd_use_cnt;
844		sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
845	}
846
847	if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
848		struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
849
850		dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
851		sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
852	}
853
854	if (sp->flags & SRB_GOT_BUF)
855		qla_put_buf(sp->qpair, &sp->u.scmd.buf_dsc);
856}
857
858void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
859{
860	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
861	struct completion *comp = sp->comp;
862
863	/* ref: INIT */
864	kref_put(&sp->cmd_kref, qla2x00_sp_release);
865	cmd->result = res;
866	sp->type = 0;
867	scsi_done(cmd);
868	if (comp)
869		complete(comp);
870}
871
872static int
873qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
874{
875	scsi_qla_host_t *vha = shost_priv(host);
876	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
877	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
878	struct qla_hw_data *ha = vha->hw;
879	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
880	srb_t *sp;
881	int rval;
882
883	if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
884	    WARN_ON_ONCE(!rport)) {
885		cmd->result = DID_NO_CONNECT << 16;
886		goto qc24_fail_command;
887	}
888
889	if (ha->mqenable) {
890		uint32_t tag;
891		uint16_t hwq;
892		struct qla_qpair *qpair = NULL;
893
894		tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
895		hwq = blk_mq_unique_tag_to_hwq(tag);
896		qpair = ha->queue_pair_map[hwq];
897
898		if (qpair)
899			return qla2xxx_mqueuecommand(host, cmd, qpair);
900	}
901
902	if (ha->flags.eeh_busy) {
903		if (ha->flags.pci_channel_io_perm_failure) {
904			ql_dbg(ql_dbg_aer, vha, 0x9010,
905			    "PCI Channel IO permanent failure, exiting "
906			    "cmd=%p.\n", cmd);
907			cmd->result = DID_NO_CONNECT << 16;
908		} else {
909			ql_dbg(ql_dbg_aer, vha, 0x9011,
910			    "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
911			cmd->result = DID_REQUEUE << 16;
912		}
913		goto qc24_fail_command;
914	}
915
916	rval = fc_remote_port_chkready(rport);
917	if (rval) {
918		cmd->result = rval;
919		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
920		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
921		    cmd, rval);
922		goto qc24_fail_command;
923	}
924
925	if (!vha->flags.difdix_supported &&
926		scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
927			ql_dbg(ql_dbg_io, vha, 0x3004,
928			    "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
929			    cmd);
930			cmd->result = DID_NO_CONNECT << 16;
931			goto qc24_fail_command;
932	}
933
934	if (!fcport || fcport->deleted) {
935		cmd->result = DID_IMM_RETRY << 16;
936		goto qc24_fail_command;
937	}
938
939	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
940		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
941			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
942			ql_dbg(ql_dbg_io, vha, 0x3005,
943			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
944			    atomic_read(&fcport->state),
945			    atomic_read(&base_vha->loop_state));
946			cmd->result = DID_NO_CONNECT << 16;
947			goto qc24_fail_command;
948		}
949		goto qc24_target_busy;
950	}
951
952	/*
953	 * Return target busy if we've received a non-zero retry_delay_timer
954	 * in a FCP_RSP.
955	 */
956	if (fcport->retry_delay_timestamp == 0) {
957		/* retry delay not set */
958	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
959		fcport->retry_delay_timestamp = 0;
960	else
961		goto qc24_target_busy;
962
963	sp = scsi_cmd_priv(cmd);
964	/* ref: INIT */
965	qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
966
967	sp->u.scmd.cmd = cmd;
968	sp->type = SRB_SCSI_CMD;
969	sp->free = qla2x00_sp_free_dma;
970	sp->done = qla2x00_sp_compl;
971
972	rval = ha->isp_ops->start_scsi(sp);
973	if (rval != QLA_SUCCESS) {
974		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
975		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
976		goto qc24_host_busy_free_sp;
977	}
978
979	return 0;
980
981qc24_host_busy_free_sp:
982	/* ref: INIT */
983	kref_put(&sp->cmd_kref, qla2x00_sp_release);
984
985qc24_target_busy:
986	return SCSI_MLQUEUE_TARGET_BUSY;
987
988qc24_fail_command:
989	scsi_done(cmd);
990
991	return 0;
992}
993
994/* For MQ supported I/O */
995int
996qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
997    struct qla_qpair *qpair)
998{
999	scsi_qla_host_t *vha = shost_priv(host);
1000	fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1001	struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
1002	struct qla_hw_data *ha = vha->hw;
1003	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
1004	srb_t *sp;
1005	int rval;
1006
1007	rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
1008	if (rval) {
1009		cmd->result = rval;
1010		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
1011		    "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
1012		    cmd, rval);
1013		goto qc24_fail_command;
1014	}
1015
1016	if (!qpair->online) {
1017		ql_dbg(ql_dbg_io, vha, 0x3077,
1018		       "qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
1019		cmd->result = DID_NO_CONNECT << 16;
1020		goto qc24_fail_command;
1021	}
1022
1023	if (!fcport || fcport->deleted) {
1024		cmd->result = DID_IMM_RETRY << 16;
1025		goto qc24_fail_command;
1026	}
1027
1028	if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
1029		if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
1030			atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
1031			ql_dbg(ql_dbg_io, vha, 0x3077,
1032			    "Returning DNC, fcport_state=%d loop_state=%d.\n",
1033			    atomic_read(&fcport->state),
1034			    atomic_read(&base_vha->loop_state));
1035			cmd->result = DID_NO_CONNECT << 16;
1036			goto qc24_fail_command;
1037		}
1038		goto qc24_target_busy;
1039	}
1040
1041	/*
1042	 * Return target busy if we've received a non-zero retry_delay_timer
1043	 * in a FCP_RSP.
1044	 */
1045	if (fcport->retry_delay_timestamp == 0) {
1046		/* retry delay not set */
1047	} else if (time_after(jiffies, fcport->retry_delay_timestamp))
1048		fcport->retry_delay_timestamp = 0;
1049	else
1050		goto qc24_target_busy;
1051
1052	sp = scsi_cmd_priv(cmd);
1053	/* ref: INIT */
1054	qla2xxx_init_sp(sp, vha, qpair, fcport);
1055
1056	sp->u.scmd.cmd = cmd;
1057	sp->type = SRB_SCSI_CMD;
1058	sp->free = qla2xxx_qpair_sp_free_dma;
1059	sp->done = qla2xxx_qpair_sp_compl;
1060
1061	rval = ha->isp_ops->start_scsi_mq(sp);
1062	if (rval != QLA_SUCCESS) {
1063		ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1064		    "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1065		goto qc24_host_busy_free_sp;
1066	}
1067
1068	return 0;
1069
1070qc24_host_busy_free_sp:
1071	/* ref: INIT */
1072	kref_put(&sp->cmd_kref, qla2x00_sp_release);
1073
1074qc24_target_busy:
1075	return SCSI_MLQUEUE_TARGET_BUSY;
1076
1077qc24_fail_command:
1078	scsi_done(cmd);
1079
1080	return 0;
1081}
1082
1083/*
1084 * qla2x00_wait_for_hba_online
1085 *    Wait till the HBA is online after going through
1086 *    <= MAX_RETRIES_OF_ISP_ABORT  or
1087 *    finally HBA is disabled ie marked offline
1088 *
1089 * Input:
1090 *     ha - pointer to host adapter structure
1091 *
1092 * Note:
1093 *    Does context switching-Release SPIN_LOCK
1094 *    (if any) before calling this routine.
1095 *
1096 * Return:
1097 *    Success (Adapter is online) : 0
1098 *    Failed  (Adapter is offline/disabled) : 1
1099 */
1100int
1101qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1102{
1103	int		return_status;
1104	unsigned long	wait_online;
1105	struct qla_hw_data *ha = vha->hw;
1106	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1107
1108	wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1109	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1110	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1111	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1112	    ha->dpc_active) && time_before(jiffies, wait_online)) {
1113
1114		msleep(1000);
1115	}
1116	if (base_vha->flags.online)
1117		return_status = QLA_SUCCESS;
1118	else
1119		return_status = QLA_FUNCTION_FAILED;
1120
1121	return (return_status);
1122}
1123
1124static inline int test_fcport_count(scsi_qla_host_t *vha)
1125{
1126	struct qla_hw_data *ha = vha->hw;
1127	unsigned long flags;
1128	int res;
1129	/* Return 0 = sleep, x=wake */
1130
1131	spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1132	ql_dbg(ql_dbg_init, vha, 0x00ec,
1133	    "tgt %p, fcport_count=%d\n",
1134	    vha, vha->fcport_count);
1135	res = (vha->fcport_count == 0);
1136	if  (res) {
1137		struct fc_port *fcport;
1138
1139		list_for_each_entry(fcport, &vha->vp_fcports, list) {
1140			if (fcport->deleted != QLA_SESS_DELETED) {
1141				/* session(s) may not be fully logged in
1142				 * (ie fcport_count=0), but session
1143				 * deletion thread(s) may be inflight.
1144				 */
1145
1146				res = 0;
1147				break;
1148			}
1149		}
1150	}
1151	spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1152
1153	return res;
1154}
1155
1156/*
1157 * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1158 * it has dependency on UNLOADING flag to stop device discovery
1159 */
1160void
1161qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1162{
1163	u8 i;
1164
1165	qla2x00_mark_all_devices_lost(vha);
1166
1167	for (i = 0; i < 10; i++) {
1168		if (wait_event_timeout(vha->fcport_waitQ,
1169		    test_fcport_count(vha), HZ) > 0)
1170			break;
1171	}
1172
1173	flush_workqueue(vha->hw->wq);
1174}
1175
1176/*
1177 * qla2x00_wait_for_hba_ready
1178 * Wait till the HBA is ready before doing driver unload
1179 *
1180 * Input:
1181 *     ha - pointer to host adapter structure
1182 *
1183 * Note:
1184 *    Does context switching-Release SPIN_LOCK
1185 *    (if any) before calling this routine.
1186 *
1187 */
1188static void
1189qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1190{
1191	struct qla_hw_data *ha = vha->hw;
1192	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1193
1194	while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1195		ha->flags.mbox_busy) ||
1196	       test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1197	       test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1198		if (test_bit(UNLOADING, &base_vha->dpc_flags))
1199			break;
1200		msleep(1000);
1201	}
1202}
1203
1204int
1205qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1206{
1207	int		return_status;
1208	unsigned long	wait_reset;
1209	struct qla_hw_data *ha = vha->hw;
1210	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1211
1212	wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1213	while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1214	    test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1215	    test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1216	    ha->dpc_active) && time_before(jiffies, wait_reset)) {
1217
1218		msleep(1000);
1219
1220		if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1221		    ha->flags.chip_reset_done)
1222			break;
1223	}
1224	if (ha->flags.chip_reset_done)
1225		return_status = QLA_SUCCESS;
1226	else
1227		return_status = QLA_FUNCTION_FAILED;
1228
1229	return return_status;
1230}
1231
1232/**************************************************************************
1233* qla2xxx_eh_abort
1234*
1235* Description:
1236*    The abort function will abort the specified command.
1237*
1238* Input:
1239*    cmd = Linux SCSI command packet to be aborted.
1240*
1241* Returns:
1242*    Either SUCCESS or FAILED.
1243*
1244* Note:
1245*    Only return FAILED if command not returned by firmware.
1246**************************************************************************/
1247static int
1248qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1249{
1250	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1251	DECLARE_COMPLETION_ONSTACK(comp);
1252	srb_t *sp;
1253	int ret;
1254	unsigned int id;
1255	uint64_t lun;
1256	int rval;
1257	struct qla_hw_data *ha = vha->hw;
1258	uint32_t ratov_j;
1259	struct qla_qpair *qpair;
1260	unsigned long flags;
1261	int fast_fail_status = SUCCESS;
1262
1263	if (qla2x00_isp_reg_stat(ha)) {
1264		ql_log(ql_log_info, vha, 0x8042,
1265		    "PCI/Register disconnect, exiting.\n");
1266		qla_pci_set_eeh_busy(vha);
1267		return FAILED;
1268	}
1269
1270	/* Save any FAST_IO_FAIL value to return later if abort succeeds */
1271	ret = fc_block_scsi_eh(cmd);
1272	if (ret != 0)
1273		fast_fail_status = ret;
1274
1275	sp = scsi_cmd_priv(cmd);
1276	qpair = sp->qpair;
1277
1278	vha->cmd_timeout_cnt++;
1279
1280	if ((sp->fcport && sp->fcport->deleted) || !qpair)
1281		return fast_fail_status != SUCCESS ? fast_fail_status : FAILED;
1282
1283	spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1284	sp->comp = &comp;
1285	spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1286
1287
1288	id = cmd->device->id;
1289	lun = cmd->device->lun;
1290
1291	ql_dbg(ql_dbg_taskm, vha, 0x8002,
1292	    "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1293	    vha->host_no, id, lun, sp, cmd, sp->handle);
1294
1295	/*
1296	 * Abort will release the original Command/sp from FW. Let the
1297	 * original command call scsi_done. In return, he will wakeup
1298	 * this sleeping thread.
1299	 */
1300	rval = ha->isp_ops->abort_command(sp);
1301
1302	ql_dbg(ql_dbg_taskm, vha, 0x8003,
1303	       "Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
1304
1305	/* Wait for the command completion. */
1306	ratov_j = ha->r_a_tov/10 * 4 * 1000;
1307	ratov_j = msecs_to_jiffies(ratov_j);
1308	switch (rval) {
1309	case QLA_SUCCESS:
1310		if (!wait_for_completion_timeout(&comp, ratov_j)) {
1311			ql_dbg(ql_dbg_taskm, vha, 0xffff,
1312			    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1313			    __func__, ha->r_a_tov/10);
1314			ret = FAILED;
1315		} else {
1316			ret = fast_fail_status;
1317		}
1318		break;
1319	default:
1320		ret = FAILED;
1321		break;
1322	}
1323
1324	sp->comp = NULL;
1325
1326	ql_log(ql_log_info, vha, 0x801c,
1327	    "Abort command issued nexus=%ld:%d:%llu -- %x.\n",
1328	    vha->host_no, id, lun, ret);
1329
1330	return ret;
1331}
1332
1333#define ABORT_POLLING_PERIOD	1000
1334#define ABORT_WAIT_ITER		((2 * 1000) / (ABORT_POLLING_PERIOD))
1335
1336/*
1337 * Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
1338 */
1339static int
1340__qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
1341				       uint64_t l, enum nexus_wait_type type)
1342{
1343	int cnt, match, status;
1344	unsigned long flags;
1345	scsi_qla_host_t *vha = qpair->vha;
1346	struct req_que *req = qpair->req;
1347	srb_t *sp;
1348	struct scsi_cmnd *cmd;
1349	unsigned long wait_iter = ABORT_WAIT_ITER;
1350	bool found;
1351	struct qla_hw_data *ha = vha->hw;
1352
1353	status = QLA_SUCCESS;
1354
1355	while (wait_iter--) {
1356		found = false;
1357
1358		spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1359		for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1360			sp = req->outstanding_cmds[cnt];
1361			if (!sp)
1362				continue;
1363			if (sp->type != SRB_SCSI_CMD)
1364				continue;
1365			if (vha->vp_idx != sp->vha->vp_idx)
1366				continue;
1367			match = 0;
1368			cmd = GET_CMD_SP(sp);
1369			switch (type) {
1370			case WAIT_HOST:
1371				match = 1;
1372				break;
1373			case WAIT_TARGET:
1374				if (sp->fcport)
1375					match = sp->fcport->d_id.b24 == t;
1376				else
1377					match = 0;
1378				break;
1379			case WAIT_LUN:
1380				if (sp->fcport)
1381					match = (sp->fcport->d_id.b24 == t &&
1382						cmd->device->lun == l);
1383				else
1384					match = 0;
1385				break;
1386			}
1387			if (!match)
1388				continue;
1389
1390			spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1391
1392			if (unlikely(pci_channel_offline(ha->pdev)) ||
1393			    ha->flags.eeh_busy) {
1394				ql_dbg(ql_dbg_taskm, vha, 0x8005,
1395				    "Return:eh_wait.\n");
1396				return status;
1397			}
1398
1399			/*
1400			 * SRB_SCSI_CMD is still in the outstanding_cmds array.
1401			 * it means scsi_done has not called. Wait for it to
1402			 * clear from outstanding_cmds.
1403			 */
1404			msleep(ABORT_POLLING_PERIOD);
1405			spin_lock_irqsave(qpair->qp_lock_ptr, flags);
1406			found = true;
1407		}
1408		spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
1409
1410		if (!found)
1411			break;
1412	}
1413
1414	if (wait_iter == -1)
1415		status = QLA_FUNCTION_FAILED;
1416
1417	return status;
1418}
1419
1420int
1421qla2x00_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
1440static char *reset_errors[] = {
1441	"HBA not online",
1442	"HBA not ready",
1443	"Task management failed",
1444	"Waiting for command completions",
1445};
1446
1447static int
1448qla2xxx_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, fcport->d_id.b24,
1494						 cmd->device->lun,
1495						 WAIT_LUN) != QLA_SUCCESS) {
1496		ql_log(ql_log_warn, vha, 0x800d,
1497		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1498		goto eh_reset_failed;
1499	}
1500
1501	ql_log(ql_log_info, vha, 0x800e,
1502	    "DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n",
1503	    vha->host_no, sdev->id, sdev->lun, cmd);
1504
1505	return SUCCESS;
1506
1507eh_reset_failed:
1508	ql_log(ql_log_info, vha, 0x800f,
1509	    "DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1510	    reset_errors[err], vha->host_no, sdev->id, sdev->lun,
1511	    cmd);
1512	vha->reset_cmd_err_cnt++;
1513	return FAILED;
1514}
1515
1516static int
1517qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1518{
1519	struct scsi_device *sdev = cmd->device;
1520	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1521	scsi_qla_host_t *vha = shost_priv(rport_to_shost(rport));
1522	struct qla_hw_data *ha = vha->hw;
1523	fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
1524	int err;
1525
1526	if (qla2x00_isp_reg_stat(ha)) {
1527		ql_log(ql_log_info, vha, 0x803f,
1528		    "PCI/Register disconnect, exiting.\n");
1529		qla_pci_set_eeh_busy(vha);
1530		return FAILED;
1531	}
1532
1533	if (!fcport) {
1534		return FAILED;
1535	}
1536
1537	err = fc_block_rport(rport);
1538	if (err != 0)
1539		return err;
1540
1541	if (fcport->deleted)
1542		return FAILED;
1543
1544	ql_log(ql_log_info, vha, 0x8009,
1545	    "TARGET RESET ISSUED nexus=%ld:%d cmd=%p.\n", vha->host_no,
1546	    sdev->id, cmd);
1547
1548	err = 0;
1549	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1550		ql_log(ql_log_warn, vha, 0x800a,
1551		    "Wait for hba online failed for cmd=%p.\n", cmd);
1552		goto eh_reset_failed;
1553	}
1554	err = 2;
1555	if (ha->isp_ops->target_reset(fcport, 0, 0) != QLA_SUCCESS) {
1556		ql_log(ql_log_warn, vha, 0x800c,
1557		    "target_reset failed for cmd=%p.\n", cmd);
1558		goto eh_reset_failed;
1559	}
1560	err = 3;
1561	if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24, 0,
1562						 WAIT_TARGET) != QLA_SUCCESS) {
1563		ql_log(ql_log_warn, vha, 0x800d,
1564		    "wait for pending cmds failed for cmd=%p.\n", cmd);
1565		goto eh_reset_failed;
1566	}
1567
1568	ql_log(ql_log_info, vha, 0x800e,
1569	    "TARGET RESET SUCCEEDED nexus:%ld:%d cmd=%p.\n",
1570	    vha->host_no, sdev->id, cmd);
1571
1572	return SUCCESS;
1573
1574eh_reset_failed:
1575	ql_log(ql_log_info, vha, 0x800f,
1576	    "TARGET RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
1577	    reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1578	    cmd);
1579	vha->reset_cmd_err_cnt++;
1580	return FAILED;
1581}
1582
1583/**************************************************************************
1584* qla2xxx_eh_bus_reset
1585*
1586* Description:
1587*    The bus reset function will reset the bus and abort any executing
1588*    commands.
1589*
1590* Input:
1591*    cmd = Linux SCSI command packet of the command that cause the
1592*          bus reset.
1593*
1594* Returns:
1595*    SUCCESS/FAILURE (defined as macro in scsi.h).
1596*
1597**************************************************************************/
1598static int
1599qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1600{
1601	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1602	int ret = FAILED;
1603	unsigned int id;
1604	uint64_t lun;
1605	struct qla_hw_data *ha = vha->hw;
1606
1607	if (qla2x00_isp_reg_stat(ha)) {
1608		ql_log(ql_log_info, vha, 0x8040,
1609		    "PCI/Register disconnect, exiting.\n");
1610		qla_pci_set_eeh_busy(vha);
1611		return FAILED;
1612	}
1613
1614	id = cmd->device->id;
1615	lun = cmd->device->lun;
1616
1617	if (qla2x00_chip_is_down(vha))
1618		return ret;
1619
1620	ql_log(ql_log_info, vha, 0x8012,
1621	    "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1622
1623	if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1624		ql_log(ql_log_fatal, vha, 0x8013,
1625		    "Wait for hba online failed board disabled.\n");
1626		goto eh_bus_reset_done;
1627	}
1628
1629	if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1630		ret = SUCCESS;
1631
1632	if (ret == FAILED)
1633		goto eh_bus_reset_done;
1634
1635	/* Flush outstanding commands. */
1636	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1637	    QLA_SUCCESS) {
1638		ql_log(ql_log_warn, vha, 0x8014,
1639		    "Wait for pending commands failed.\n");
1640		ret = FAILED;
1641	}
1642
1643eh_bus_reset_done:
1644	ql_log(ql_log_warn, vha, 0x802b,
1645	    "BUS RESET %s nexus=%ld:%d:%llu.\n",
1646	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1647
1648	return ret;
1649}
1650
1651/**************************************************************************
1652* qla2xxx_eh_host_reset
1653*
1654* Description:
1655*    The reset function will reset the Adapter.
1656*
1657* Input:
1658*      cmd = Linux SCSI command packet of the command that cause the
1659*            adapter reset.
1660*
1661* Returns:
1662*      Either SUCCESS or FAILED.
1663*
1664* Note:
1665**************************************************************************/
1666static int
1667qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1668{
1669	scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1670	struct qla_hw_data *ha = vha->hw;
1671	int ret = FAILED;
1672	unsigned int id;
1673	uint64_t lun;
1674	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1675
1676	if (qla2x00_isp_reg_stat(ha)) {
1677		ql_log(ql_log_info, vha, 0x8041,
1678		    "PCI/Register disconnect, exiting.\n");
1679		qla_pci_set_eeh_busy(vha);
1680		return SUCCESS;
1681	}
1682
1683	id = cmd->device->id;
1684	lun = cmd->device->lun;
1685
1686	ql_log(ql_log_info, vha, 0x8018,
1687	    "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1688
1689	/*
1690	 * No point in issuing another reset if one is active.  Also do not
1691	 * attempt a reset if we are updating flash.
1692	 */
1693	if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1694		goto eh_host_reset_lock;
1695
1696	if (vha != base_vha) {
1697		if (qla2x00_vp_abort_isp(vha))
1698			goto eh_host_reset_lock;
1699	} else {
1700		if (IS_P3P_TYPE(vha->hw)) {
1701			if (!qla82xx_fcoe_ctx_reset(vha)) {
1702				/* Ctx reset success */
1703				ret = SUCCESS;
1704				goto eh_host_reset_lock;
1705			}
1706			/* fall thru if ctx reset failed */
1707		}
1708		if (ha->wq)
1709			flush_workqueue(ha->wq);
1710
1711		set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1712		if (ha->isp_ops->abort_isp(base_vha)) {
1713			clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1714			/* failed. schedule dpc to try */
1715			set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1716
1717			if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1718				ql_log(ql_log_warn, vha, 0x802a,
1719				    "wait for hba online failed.\n");
1720				goto eh_host_reset_lock;
1721			}
1722		}
1723		clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1724	}
1725
1726	/* Waiting for command to be returned to OS.*/
1727	if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1728		QLA_SUCCESS)
1729		ret = SUCCESS;
1730
1731eh_host_reset_lock:
1732	ql_log(ql_log_info, vha, 0x8017,
1733	    "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1734	    (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1735
1736	return ret;
1737}
1738
1739/*
1740* qla2x00_loop_reset
1741*      Issue loop reset.
1742*
1743* Input:
1744*      ha = adapter block pointer.
1745*
1746* Returns:
1747*      0 = success
1748*/
1749int
1750qla2x00_loop_reset(scsi_qla_host_t *vha)
1751{
1752	int ret;
1753	struct qla_hw_data *ha = vha->hw;
1754
1755	if (IS_QLAFX00(ha))
1756		return QLA_SUCCESS;
1757
1758	if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1759		atomic_set(&vha->loop_state, LOOP_DOWN);
1760		atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1761		qla2x00_mark_all_devices_lost(vha);
1762		ret = qla2x00_full_login_lip(vha);
1763		if (ret != QLA_SUCCESS) {
1764			ql_dbg(ql_dbg_taskm, vha, 0x802d,
1765			    "full_login_lip=%d.\n", ret);
1766		}
1767	}
1768
1769	if (ha->flags.enable_lip_reset) {
1770		ret = qla2x00_lip_reset(vha);
1771		if (ret != QLA_SUCCESS)
1772			ql_dbg(ql_dbg_taskm, vha, 0x802e,
1773			    "lip_reset failed (%d).\n", ret);
1774	}
1775
1776	/* Issue marker command only when we are going to start the I/O */
1777	vha->marker_needed = 1;
1778
1779	return QLA_SUCCESS;
1780}
1781
1782/*
1783 * The caller must ensure that no completion interrupts will happen
1784 * while this function is in progress.
1785 */
1786static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
1787			      unsigned long *flags)
1788	__releases(qp->qp_lock_ptr)
1789	__acquires(qp->qp_lock_ptr)
1790{
1791	DECLARE_COMPLETION_ONSTACK(comp);
1792	scsi_qla_host_t *vha = qp->vha;
1793	struct qla_hw_data *ha = vha->hw;
1794	struct scsi_cmnd *cmd = GET_CMD_SP(sp);
1795	int rval;
1796	bool ret_cmd;
1797	uint32_t ratov_j;
1798
1799	lockdep_assert_held(qp->qp_lock_ptr);
1800
1801	if (qla2x00_chip_is_down(vha)) {
1802		sp->done(sp, res);
1803		return;
1804	}
1805
1806	if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
1807	    (sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
1808	     !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
1809	     !qla2x00_isp_reg_stat(ha))) {
1810		if (sp->comp) {
1811			sp->done(sp, res);
1812			return;
1813		}
1814
1815		sp->comp = &comp;
1816		spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
1817
1818		rval = ha->isp_ops->abort_command(sp);
1819		/* Wait for command completion. */
1820		ret_cmd = false;
1821		ratov_j = ha->r_a_tov/10 * 4 * 1000;
1822		ratov_j = msecs_to_jiffies(ratov_j);
1823		switch (rval) {
1824		case QLA_SUCCESS:
1825			if (wait_for_completion_timeout(&comp, ratov_j)) {
1826				ql_dbg(ql_dbg_taskm, vha, 0xffff,
1827				    "%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
1828				    __func__, ha->r_a_tov/10);
1829				ret_cmd = true;
1830			}
1831			/* else FW return SP to driver */
1832			break;
1833		default:
1834			ret_cmd = true;
1835			break;
1836		}
1837
1838		spin_lock_irqsave(qp->qp_lock_ptr, *flags);
1839		switch (sp->type) {
1840		case SRB_SCSI_CMD:
1841			if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
1842				sp->done(sp, res);
1843			break;
1844		default:
1845			if (ret_cmd)
1846				sp->done(sp, res);
1847			break;
1848		}
1849	} else {
1850		sp->done(sp, res);
1851	}
1852}
1853
1854/*
1855 * The caller must ensure that no completion interrupts will happen
1856 * while this function is in progress.
1857 */
1858static void
1859__qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
1860{
1861	int cnt;
1862	unsigned long flags;
1863	srb_t *sp;
1864	scsi_qla_host_t *vha = qp->vha;
1865	struct qla_hw_data *ha = vha->hw;
1866	struct req_que *req;
1867	struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1868	struct qla_tgt_cmd *cmd;
1869
1870	if (!ha->req_q_map)
1871		return;
1872	spin_lock_irqsave(qp->qp_lock_ptr, flags);
1873	req = qp->req;
1874	for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1875		sp = req->outstanding_cmds[cnt];
1876		if (sp) {
1877			/*
1878			 * perform lockless completion during driver unload
1879			 */
1880			if (qla2x00_chip_is_down(vha)) {
1881				req->outstanding_cmds[cnt] = NULL;
1882				spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1883				sp->done(sp, res);
1884				spin_lock_irqsave(qp->qp_lock_ptr, flags);
1885				continue;
1886			}
1887
1888			switch (sp->cmd_type) {
1889			case TYPE_SRB:
1890				qla2x00_abort_srb(qp, sp, res, &flags);
1891				break;
1892			case TYPE_TGT_CMD:
1893				if (!vha->hw->tgt.tgt_ops || !tgt ||
1894				    qla_ini_mode_enabled(vha)) {
1895					ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
1896					    "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1897					    vha->dpc_flags);
1898					continue;
1899				}
1900				cmd = (struct qla_tgt_cmd *)sp;
1901				cmd->aborted = 1;
1902				break;
1903			case TYPE_TGT_TMCMD:
1904				/* Skip task management functions. */
1905				break;
1906			default:
1907				break;
1908			}
1909			req->outstanding_cmds[cnt] = NULL;
1910		}
1911	}
1912	spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
1913}
1914
1915/*
1916 * The caller must ensure that no completion interrupts will happen
1917 * while this function is in progress.
1918 */
1919void
1920qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1921{
1922	int que;
1923	struct qla_hw_data *ha = vha->hw;
1924
1925	/* Continue only if initialization complete. */
1926	if (!ha->base_qpair)
1927		return;
1928	__qla2x00_abort_all_cmds(ha->base_qpair, res);
1929
1930	if (!ha->queue_pair_map)
1931		return;
1932	for (que = 0; que < ha->max_qpairs; que++) {
1933		if (!ha->queue_pair_map[que])
1934			continue;
1935
1936		__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
1937	}
1938}
1939
1940static int
1941qla2xxx_slave_alloc(struct scsi_device *sdev)
1942{
1943	struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1944
1945	if (!rport || fc_remote_port_chkready(rport))
1946		return -ENXIO;
1947
1948	sdev->hostdata = *(fc_port_t **)rport->dd_data;
1949
1950	return 0;
1951}
1952
1953static int
1954qla2xxx_slave_configure(struct scsi_device *sdev)
1955{
1956	scsi_qla_host_t *vha = shost_priv(sdev->host);
1957	struct req_que *req = vha->req;
1958
1959	if (IS_T10_PI_CAPABLE(vha->hw))
1960		blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1961
1962	scsi_change_queue_depth(sdev, req->max_q_depth);
1963	return 0;
1964}
1965
1966static void
1967qla2xxx_slave_destroy(struct scsi_device *sdev)
1968{
1969	sdev->hostdata = NULL;
1970}
1971
1972/**
1973 * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1974 * @ha: HA context
1975 *
1976 * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1977 * supported addressing method.
1978 */
1979static void
1980qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1981{
1982	/* Assume a 32bit DMA mask. */
1983	ha->flags.enable_64bit_addressing = 0;
1984
1985	if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1986		/* Any upper-dword bits set? */
1987		if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1988		    !dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1989			/* Ok, a 64bit DMA mask is applicable. */
1990			ha->flags.enable_64bit_addressing = 1;
1991			ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1992			ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1993			return;
1994		}
1995	}
1996
1997	dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1998	dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1999}
2000
2001static void
2002qla2x00_enable_intrs(struct qla_hw_data *ha)
2003{
2004	unsigned long flags = 0;
2005	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2006
2007	spin_lock_irqsave(&ha->hardware_lock, flags);
2008	ha->interrupts_on = 1;
2009	/* enable risc and host interrupts */
2010	wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
2011	rd_reg_word(&reg->ictrl);
2012	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2013
2014}
2015
2016static void
2017qla2x00_disable_intrs(struct qla_hw_data *ha)
2018{
2019	unsigned long flags = 0;
2020	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
2021
2022	spin_lock_irqsave(&ha->hardware_lock, flags);
2023	ha->interrupts_on = 0;
2024	/* disable risc and host interrupts */
2025	wrt_reg_word(&reg->ictrl, 0);
2026	rd_reg_word(&reg->ictrl);
2027	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2028}
2029
2030static void
2031qla24xx_enable_intrs(struct qla_hw_data *ha)
2032{
2033	unsigned long flags = 0;
2034	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2035
2036	spin_lock_irqsave(&ha->hardware_lock, flags);
2037	ha->interrupts_on = 1;
2038	wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
2039	rd_reg_dword(&reg->ictrl);
2040	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2041}
2042
2043static void
2044qla24xx_disable_intrs(struct qla_hw_data *ha)
2045{
2046	unsigned long flags = 0;
2047	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
2048
2049	if (IS_NOPOLLING_TYPE(ha))
2050		return;
2051	spin_lock_irqsave(&ha->hardware_lock, flags);
2052	ha->interrupts_on = 0;
2053	wrt_reg_dword(&reg->ictrl, 0);
2054	rd_reg_dword(&reg->ictrl);
2055	spin_unlock_irqrestore(&ha->hardware_lock, flags);
2056}
2057
2058static int
2059qla2x00_iospace_config(struct qla_hw_data *ha)
2060{
2061	resource_size_t pio;
2062	uint16_t msix;
2063
2064	if (pci_request_selected_regions(ha->pdev, ha->bars,
2065	    QLA2XXX_DRIVER_NAME)) {
2066		ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
2067		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2068		    pci_name(ha->pdev));
2069		goto iospace_error_exit;
2070	}
2071	if (!(ha->bars & 1))
2072		goto skip_pio;
2073
2074	/* We only need PIO for Flash operations on ISP2312 v2 chips. */
2075	pio = pci_resource_start(ha->pdev, 0);
2076	if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
2077		if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2078			ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
2079			    "Invalid pci I/O region size (%s).\n",
2080			    pci_name(ha->pdev));
2081			pio = 0;
2082		}
2083	} else {
2084		ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
2085		    "Region #0 no a PIO resource (%s).\n",
2086		    pci_name(ha->pdev));
2087		pio = 0;
2088	}
2089	ha->pio_address = pio;
2090	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
2091	    "PIO address=%llu.\n",
2092	    (unsigned long long)ha->pio_address);
2093
2094skip_pio:
2095	/* Use MMIO operations for all accesses. */
2096	if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
2097		ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
2098		    "Region #1 not an MMIO resource (%s), aborting.\n",
2099		    pci_name(ha->pdev));
2100		goto iospace_error_exit;
2101	}
2102	if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
2103		ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
2104		    "Invalid PCI mem region size (%s), aborting.\n",
2105		    pci_name(ha->pdev));
2106		goto iospace_error_exit;
2107	}
2108
2109	ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
2110	if (!ha->iobase) {
2111		ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
2112		    "Cannot remap MMIO (%s), aborting.\n",
2113		    pci_name(ha->pdev));
2114		goto iospace_error_exit;
2115	}
2116
2117	/* Determine queue resources */
2118	ha->max_req_queues = ha->max_rsp_queues = 1;
2119	ha->msix_count = QLA_BASE_VECTORS;
2120
2121	/* Check if FW supports MQ or not */
2122	if (!(ha->fw_attributes & BIT_6))
2123		goto mqiobase_exit;
2124
2125	if (!ql2xmqsupport || !ql2xnvmeenable ||
2126	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
2127		goto mqiobase_exit;
2128
2129	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
2130			pci_resource_len(ha->pdev, 3));
2131	if (ha->mqiobase) {
2132		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
2133		    "MQIO Base=%p.\n", ha->mqiobase);
2134		/* Read MSIX vector size of the board */
2135		pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
2136		ha->msix_count = msix + 1;
2137		/* Max queues are bounded by available msix vectors */
2138		/* MB interrupt uses 1 vector */
2139		ha->max_req_queues = ha->msix_count - 1;
2140		ha->max_rsp_queues = ha->max_req_queues;
2141		/* Queue pairs is the max value minus the base queue pair */
2142		ha->max_qpairs = ha->max_rsp_queues - 1;
2143		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
2144		    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2145
2146		ql_log_pci(ql_log_info, ha->pdev, 0x001a,
2147		    "MSI-X vector count: %d.\n", ha->msix_count);
2148	} else
2149		ql_log_pci(ql_log_info, ha->pdev, 0x001b,
2150		    "BAR 3 not enabled.\n");
2151
2152mqiobase_exit:
2153	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
2154	    "MSIX Count: %d.\n", ha->msix_count);
2155	return (0);
2156
2157iospace_error_exit:
2158	return (-ENOMEM);
2159}
2160
2161
2162static int
2163qla83xx_iospace_config(struct qla_hw_data *ha)
2164{
2165	uint16_t msix;
2166
2167	if (pci_request_selected_regions(ha->pdev, ha->bars,
2168	    QLA2XXX_DRIVER_NAME)) {
2169		ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2170		    "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2171		    pci_name(ha->pdev));
2172
2173		goto iospace_error_exit;
2174	}
2175
2176	/* Use MMIO operations for all accesses. */
2177	if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2178		ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2179		    "Invalid pci I/O region size (%s).\n",
2180		    pci_name(ha->pdev));
2181		goto iospace_error_exit;
2182	}
2183	if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2184		ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2185		    "Invalid PCI mem region size (%s), aborting\n",
2186			pci_name(ha->pdev));
2187		goto iospace_error_exit;
2188	}
2189
2190	ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2191	if (!ha->iobase) {
2192		ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2193		    "Cannot remap MMIO (%s), aborting.\n",
2194		    pci_name(ha->pdev));
2195		goto iospace_error_exit;
2196	}
2197
2198	/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2199	/* 83XX 26XX always use MQ type access for queues
2200	 * - mbar 2, a.k.a region 4 */
2201	ha->max_req_queues = ha->max_rsp_queues = 1;
2202	ha->msix_count = QLA_BASE_VECTORS;
2203	ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2204			pci_resource_len(ha->pdev, 4));
2205
2206	if (!ha->mqiobase) {
2207		ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2208		    "BAR2/region4 not enabled\n");
2209		goto mqiobase_exit;
2210	}
2211
2212	ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2213			pci_resource_len(ha->pdev, 2));
2214	if (ha->msixbase) {
2215		/* Read MSIX vector size of the board */
2216		pci_read_config_word(ha->pdev,
2217		    QLA_83XX_PCI_MSIX_CONTROL, &msix);
2218		ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2219		/*
2220		 * By default, driver uses at least two msix vectors
2221		 * (default & rspq)
2222		 */
2223		if (ql2xmqsupport || ql2xnvmeenable) {
2224			/* MB interrupt uses 1 vector */
2225			ha->max_req_queues = ha->msix_count - 1;
2226
2227			/* ATIOQ needs 1 vector. That's 1 less QPair */
2228			if (QLA_TGT_MODE_ENABLED())
2229				ha->max_req_queues--;
2230
2231			ha->max_rsp_queues = ha->max_req_queues;
2232
2233			/* Queue pairs is the max value minus
2234			 * the base queue pair */
2235			ha->max_qpairs = ha->max_req_queues - 1;
2236			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2237			    "Max no of queues pairs: %d.\n", ha->max_qpairs);
2238		}
2239		ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2240		    "MSI-X vector count: %d.\n", ha->msix_count);
2241	} else
2242		ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2243		    "BAR 1 not enabled.\n");
2244
2245mqiobase_exit:
2246	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2247	    "MSIX Count: %d.\n", ha->msix_count);
2248	return 0;
2249
2250iospace_error_exit:
2251	return -ENOMEM;
2252}
2253
2254static struct isp_operations qla2100_isp_ops = {
2255	.pci_config		= qla2100_pci_config,
2256	.reset_chip		= qla2x00_reset_chip,
2257	.chip_diag		= qla2x00_chip_diag,
2258	.config_rings		= qla2x00_config_rings,
2259	.reset_adapter		= qla2x00_reset_adapter,
2260	.nvram_config		= qla2x00_nvram_config,
2261	.update_fw_options	= qla2x00_update_fw_options,
2262	.load_risc		= qla2x00_load_risc,
2263	.pci_info_str		= qla2x00_pci_info_str,
2264	.fw_version_str		= qla2x00_fw_version_str,
2265	.intr_handler		= qla2100_intr_handler,
2266	.enable_intrs		= qla2x00_enable_intrs,
2267	.disable_intrs		= qla2x00_disable_intrs,
2268	.abort_command		= qla2x00_abort_command,
2269	.target_reset		= qla2x00_abort_target,
2270	.lun_reset		= qla2x00_lun_reset,
2271	.fabric_login		= qla2x00_login_fabric,
2272	.fabric_logout		= qla2x00_fabric_logout,
2273	.calc_req_entries	= qla2x00_calc_iocbs_32,
2274	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2275	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2276	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2277	.read_nvram		= qla2x00_read_nvram_data,
2278	.write_nvram		= qla2x00_write_nvram_data,
2279	.fw_dump		= qla2100_fw_dump,
2280	.beacon_on		= NULL,
2281	.beacon_off		= NULL,
2282	.beacon_blink		= NULL,
2283	.read_optrom		= qla2x00_read_optrom_data,
2284	.write_optrom		= qla2x00_write_optrom_data,
2285	.get_flash_version	= qla2x00_get_flash_version,
2286	.start_scsi		= qla2x00_start_scsi,
2287	.start_scsi_mq          = NULL,
2288	.abort_isp		= qla2x00_abort_isp,
2289	.iospace_config     	= qla2x00_iospace_config,
2290	.initialize_adapter	= qla2x00_initialize_adapter,
2291};
2292
2293static struct isp_operations qla2300_isp_ops = {
2294	.pci_config		= qla2300_pci_config,
2295	.reset_chip		= qla2x00_reset_chip,
2296	.chip_diag		= qla2x00_chip_diag,
2297	.config_rings		= qla2x00_config_rings,
2298	.reset_adapter		= qla2x00_reset_adapter,
2299	.nvram_config		= qla2x00_nvram_config,
2300	.update_fw_options	= qla2x00_update_fw_options,
2301	.load_risc		= qla2x00_load_risc,
2302	.pci_info_str		= qla2x00_pci_info_str,
2303	.fw_version_str		= qla2x00_fw_version_str,
2304	.intr_handler		= qla2300_intr_handler,
2305	.enable_intrs		= qla2x00_enable_intrs,
2306	.disable_intrs		= qla2x00_disable_intrs,
2307	.abort_command		= qla2x00_abort_command,
2308	.target_reset		= qla2x00_abort_target,
2309	.lun_reset		= qla2x00_lun_reset,
2310	.fabric_login		= qla2x00_login_fabric,
2311	.fabric_logout		= qla2x00_fabric_logout,
2312	.calc_req_entries	= qla2x00_calc_iocbs_32,
2313	.build_iocbs		= qla2x00_build_scsi_iocbs_32,
2314	.prep_ms_iocb		= qla2x00_prep_ms_iocb,
2315	.prep_ms_fdmi_iocb	= qla2x00_prep_ms_fdmi_iocb,
2316	.read_nvram		= qla2x00_read_nvram_data,
2317	.write_nvram		= qla2x00_write_nvram_data,
2318	.fw_dump		= qla2300_fw_dump,
2319	.beacon_on		= qla2x00_beacon_on,
2320	.beacon_off		= qla2x00_beacon_off,
2321	.beacon_blink		= qla2x00_beacon_blink,
2322	.read_optrom		= qla2x00_read_optrom_data,
2323	.write_optrom		= qla2x00_write_optrom_data,
2324	.get_flash_version	= qla2x00_get_flash_version,
2325	.start_scsi		= qla2x00_start_scsi,
2326	.start_scsi_mq          = NULL,
2327	.abort_isp		= qla2x00_abort_isp,
2328	.iospace_config		= qla2x00_iospace_config,
2329	.initialize_adapter	= qla2x00_initialize_adapter,
2330};
2331
2332static struct isp_operations qla24xx_isp_ops = {
2333	.pci_config		= qla24xx_pci_config,
2334	.reset_chip		= qla24xx_reset_chip,
2335	.chip_diag		= qla24xx_chip_diag,
2336	.config_rings		= qla24xx_config_rings,
2337	.reset_adapter		= qla24xx_reset_adapter,
2338	.nvram_config		= qla24xx_nvram_config,
2339	.update_fw_options	= qla24xx_update_fw_options,
2340	.load_risc		= qla24xx_load_risc,
2341	.pci_info_str		= qla24xx_pci_info_str,
2342	.fw_version_str		= qla24xx_fw_version_str,
2343	.intr_handler		= qla24xx_intr_handler,
2344	.enable_intrs		= qla24xx_enable_intrs,
2345	.disable_intrs		= qla24xx_disable_intrs,
2346	.abort_command		= qla24xx_abort_command,
2347	.target_reset		= qla24xx_abort_target,
2348	.lun_reset		= qla24xx_lun_reset,
2349	.fabric_login		= qla24xx_login_fabric,
2350	.fabric_logout		= qla24xx_fabric_logout,
2351	.calc_req_entries	= NULL,
2352	.build_iocbs		= NULL,
2353	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2354	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2355	.read_nvram		= qla24xx_read_nvram_data,
2356	.write_nvram		= qla24xx_write_nvram_data,
2357	.fw_dump		= qla24xx_fw_dump,
2358	.beacon_on		= qla24xx_beacon_on,
2359	.beacon_off		= qla24xx_beacon_off,
2360	.beacon_blink		= qla24xx_beacon_blink,
2361	.read_optrom		= qla24xx_read_optrom_data,
2362	.write_optrom		= qla24xx_write_optrom_data,
2363	.get_flash_version	= qla24xx_get_flash_version,
2364	.start_scsi		= qla24xx_start_scsi,
2365	.start_scsi_mq          = NULL,
2366	.abort_isp		= qla2x00_abort_isp,
2367	.iospace_config		= qla2x00_iospace_config,
2368	.initialize_adapter	= qla2x00_initialize_adapter,
2369};
2370
2371static struct isp_operations qla25xx_isp_ops = {
2372	.pci_config		= qla25xx_pci_config,
2373	.reset_chip		= qla24xx_reset_chip,
2374	.chip_diag		= qla24xx_chip_diag,
2375	.config_rings		= qla24xx_config_rings,
2376	.reset_adapter		= qla24xx_reset_adapter,
2377	.nvram_config		= qla24xx_nvram_config,
2378	.update_fw_options	= qla24xx_update_fw_options,
2379	.load_risc		= qla24xx_load_risc,
2380	.pci_info_str		= qla24xx_pci_info_str,
2381	.fw_version_str		= qla24xx_fw_version_str,
2382	.intr_handler		= qla24xx_intr_handler,
2383	.enable_intrs		= qla24xx_enable_intrs,
2384	.disable_intrs		= qla24xx_disable_intrs,
2385	.abort_command		= qla24xx_abort_command,
2386	.target_reset		= qla24xx_abort_target,
2387	.lun_reset		= qla24xx_lun_reset,
2388	.fabric_login		= qla24xx_login_fabric,
2389	.fabric_logout		= qla24xx_fabric_logout,
2390	.calc_req_entries	= NULL,
2391	.build_iocbs		= NULL,
2392	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2393	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2394	.read_nvram		= qla25xx_read_nvram_data,
2395	.write_nvram		= qla25xx_write_nvram_data,
2396	.fw_dump		= qla25xx_fw_dump,
2397	.beacon_on		= qla24xx_beacon_on,
2398	.beacon_off		= qla24xx_beacon_off,
2399	.beacon_blink		= qla24xx_beacon_blink,
2400	.read_optrom		= qla25xx_read_optrom_data,
2401	.write_optrom		= qla24xx_write_optrom_data,
2402	.get_flash_version	= qla24xx_get_flash_version,
2403	.start_scsi		= qla24xx_dif_start_scsi,
2404	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2405	.abort_isp		= qla2x00_abort_isp,
2406	.iospace_config		= qla2x00_iospace_config,
2407	.initialize_adapter	= qla2x00_initialize_adapter,
2408};
2409
2410static struct isp_operations qla81xx_isp_ops = {
2411	.pci_config		= qla25xx_pci_config,
2412	.reset_chip		= qla24xx_reset_chip,
2413	.chip_diag		= qla24xx_chip_diag,
2414	.config_rings		= qla24xx_config_rings,
2415	.reset_adapter		= qla24xx_reset_adapter,
2416	.nvram_config		= qla81xx_nvram_config,
2417	.update_fw_options	= qla24xx_update_fw_options,
2418	.load_risc		= qla81xx_load_risc,
2419	.pci_info_str		= qla24xx_pci_info_str,
2420	.fw_version_str		= qla24xx_fw_version_str,
2421	.intr_handler		= qla24xx_intr_handler,
2422	.enable_intrs		= qla24xx_enable_intrs,
2423	.disable_intrs		= qla24xx_disable_intrs,
2424	.abort_command		= qla24xx_abort_command,
2425	.target_reset		= qla24xx_abort_target,
2426	.lun_reset		= qla24xx_lun_reset,
2427	.fabric_login		= qla24xx_login_fabric,
2428	.fabric_logout		= qla24xx_fabric_logout,
2429	.calc_req_entries	= NULL,
2430	.build_iocbs		= NULL,
2431	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2432	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2433	.read_nvram		= NULL,
2434	.write_nvram		= NULL,
2435	.fw_dump		= qla81xx_fw_dump,
2436	.beacon_on		= qla24xx_beacon_on,
2437	.beacon_off		= qla24xx_beacon_off,
2438	.beacon_blink		= qla83xx_beacon_blink,
2439	.read_optrom		= qla25xx_read_optrom_data,
2440	.write_optrom		= qla24xx_write_optrom_data,
2441	.get_flash_version	= qla24xx_get_flash_version,
2442	.start_scsi		= qla24xx_dif_start_scsi,
2443	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2444	.abort_isp		= qla2x00_abort_isp,
2445	.iospace_config		= qla2x00_iospace_config,
2446	.initialize_adapter	= qla2x00_initialize_adapter,
2447};
2448
2449static struct isp_operations qla82xx_isp_ops = {
2450	.pci_config		= qla82xx_pci_config,
2451	.reset_chip		= qla82xx_reset_chip,
2452	.chip_diag		= qla24xx_chip_diag,
2453	.config_rings		= qla82xx_config_rings,
2454	.reset_adapter		= qla24xx_reset_adapter,
2455	.nvram_config		= qla81xx_nvram_config,
2456	.update_fw_options	= qla24xx_update_fw_options,
2457	.load_risc		= qla82xx_load_risc,
2458	.pci_info_str		= qla24xx_pci_info_str,
2459	.fw_version_str		= qla24xx_fw_version_str,
2460	.intr_handler		= qla82xx_intr_handler,
2461	.enable_intrs		= qla82xx_enable_intrs,
2462	.disable_intrs		= qla82xx_disable_intrs,
2463	.abort_command		= qla24xx_abort_command,
2464	.target_reset		= qla24xx_abort_target,
2465	.lun_reset		= qla24xx_lun_reset,
2466	.fabric_login		= qla24xx_login_fabric,
2467	.fabric_logout		= qla24xx_fabric_logout,
2468	.calc_req_entries	= NULL,
2469	.build_iocbs		= NULL,
2470	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2471	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2472	.read_nvram		= qla24xx_read_nvram_data,
2473	.write_nvram		= qla24xx_write_nvram_data,
2474	.fw_dump		= qla82xx_fw_dump,
2475	.beacon_on		= qla82xx_beacon_on,
2476	.beacon_off		= qla82xx_beacon_off,
2477	.beacon_blink		= NULL,
2478	.read_optrom		= qla82xx_read_optrom_data,
2479	.write_optrom		= qla82xx_write_optrom_data,
2480	.get_flash_version	= qla82xx_get_flash_version,
2481	.start_scsi             = qla82xx_start_scsi,
2482	.start_scsi_mq          = NULL,
2483	.abort_isp		= qla82xx_abort_isp,
2484	.iospace_config     	= qla82xx_iospace_config,
2485	.initialize_adapter	= qla2x00_initialize_adapter,
2486};
2487
2488static struct isp_operations qla8044_isp_ops = {
2489	.pci_config		= qla82xx_pci_config,
2490	.reset_chip		= qla82xx_reset_chip,
2491	.chip_diag		= qla24xx_chip_diag,
2492	.config_rings		= qla82xx_config_rings,
2493	.reset_adapter		= qla24xx_reset_adapter,
2494	.nvram_config		= qla81xx_nvram_config,
2495	.update_fw_options	= qla24xx_update_fw_options,
2496	.load_risc		= qla82xx_load_risc,
2497	.pci_info_str		= qla24xx_pci_info_str,
2498	.fw_version_str		= qla24xx_fw_version_str,
2499	.intr_handler		= qla8044_intr_handler,
2500	.enable_intrs		= qla82xx_enable_intrs,
2501	.disable_intrs		= qla82xx_disable_intrs,
2502	.abort_command		= qla24xx_abort_command,
2503	.target_reset		= qla24xx_abort_target,
2504	.lun_reset		= qla24xx_lun_reset,
2505	.fabric_login		= qla24xx_login_fabric,
2506	.fabric_logout		= qla24xx_fabric_logout,
2507	.calc_req_entries	= NULL,
2508	.build_iocbs		= NULL,
2509	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2510	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2511	.read_nvram		= NULL,
2512	.write_nvram		= NULL,
2513	.fw_dump		= qla8044_fw_dump,
2514	.beacon_on		= qla82xx_beacon_on,
2515	.beacon_off		= qla82xx_beacon_off,
2516	.beacon_blink		= NULL,
2517	.read_optrom		= qla8044_read_optrom_data,
2518	.write_optrom		= qla8044_write_optrom_data,
2519	.get_flash_version	= qla82xx_get_flash_version,
2520	.start_scsi             = qla82xx_start_scsi,
2521	.start_scsi_mq          = NULL,
2522	.abort_isp		= qla8044_abort_isp,
2523	.iospace_config		= qla82xx_iospace_config,
2524	.initialize_adapter	= qla2x00_initialize_adapter,
2525};
2526
2527static struct isp_operations qla83xx_isp_ops = {
2528	.pci_config		= qla25xx_pci_config,
2529	.reset_chip		= qla24xx_reset_chip,
2530	.chip_diag		= qla24xx_chip_diag,
2531	.config_rings		= qla24xx_config_rings,
2532	.reset_adapter		= qla24xx_reset_adapter,
2533	.nvram_config		= qla81xx_nvram_config,
2534	.update_fw_options	= qla24xx_update_fw_options,
2535	.load_risc		= qla81xx_load_risc,
2536	.pci_info_str		= qla24xx_pci_info_str,
2537	.fw_version_str		= qla24xx_fw_version_str,
2538	.intr_handler		= qla24xx_intr_handler,
2539	.enable_intrs		= qla24xx_enable_intrs,
2540	.disable_intrs		= qla24xx_disable_intrs,
2541	.abort_command		= qla24xx_abort_command,
2542	.target_reset		= qla24xx_abort_target,
2543	.lun_reset		= qla24xx_lun_reset,
2544	.fabric_login		= qla24xx_login_fabric,
2545	.fabric_logout		= qla24xx_fabric_logout,
2546	.calc_req_entries	= NULL,
2547	.build_iocbs		= NULL,
2548	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2549	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2550	.read_nvram		= NULL,
2551	.write_nvram		= NULL,
2552	.fw_dump		= qla83xx_fw_dump,
2553	.beacon_on		= qla24xx_beacon_on,
2554	.beacon_off		= qla24xx_beacon_off,
2555	.beacon_blink		= qla83xx_beacon_blink,
2556	.read_optrom		= qla25xx_read_optrom_data,
2557	.write_optrom		= qla24xx_write_optrom_data,
2558	.get_flash_version	= qla24xx_get_flash_version,
2559	.start_scsi		= qla24xx_dif_start_scsi,
2560	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2561	.abort_isp		= qla2x00_abort_isp,
2562	.iospace_config		= qla83xx_iospace_config,
2563	.initialize_adapter	= qla2x00_initialize_adapter,
2564};
2565
2566static struct isp_operations qlafx00_isp_ops = {
2567	.pci_config		= qlafx00_pci_config,
2568	.reset_chip		= qlafx00_soft_reset,
2569	.chip_diag		= qlafx00_chip_diag,
2570	.config_rings		= qlafx00_config_rings,
2571	.reset_adapter		= qlafx00_soft_reset,
2572	.nvram_config		= NULL,
2573	.update_fw_options	= NULL,
2574	.load_risc		= NULL,
2575	.pci_info_str		= qlafx00_pci_info_str,
2576	.fw_version_str		= qlafx00_fw_version_str,
2577	.intr_handler		= qlafx00_intr_handler,
2578	.enable_intrs		= qlafx00_enable_intrs,
2579	.disable_intrs		= qlafx00_disable_intrs,
2580	.abort_command		= qla24xx_async_abort_command,
2581	.target_reset		= qlafx00_abort_target,
2582	.lun_reset		= qlafx00_lun_reset,
2583	.fabric_login		= NULL,
2584	.fabric_logout		= NULL,
2585	.calc_req_entries	= NULL,
2586	.build_iocbs		= NULL,
2587	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2588	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2589	.read_nvram		= qla24xx_read_nvram_data,
2590	.write_nvram		= qla24xx_write_nvram_data,
2591	.fw_dump		= NULL,
2592	.beacon_on		= qla24xx_beacon_on,
2593	.beacon_off		= qla24xx_beacon_off,
2594	.beacon_blink		= NULL,
2595	.read_optrom		= qla24xx_read_optrom_data,
2596	.write_optrom		= qla24xx_write_optrom_data,
2597	.get_flash_version	= qla24xx_get_flash_version,
2598	.start_scsi		= qlafx00_start_scsi,
2599	.start_scsi_mq          = NULL,
2600	.abort_isp		= qlafx00_abort_isp,
2601	.iospace_config		= qlafx00_iospace_config,
2602	.initialize_adapter	= qlafx00_initialize_adapter,
2603};
2604
2605static struct isp_operations qla27xx_isp_ops = {
2606	.pci_config		= qla25xx_pci_config,
2607	.reset_chip		= qla24xx_reset_chip,
2608	.chip_diag		= qla24xx_chip_diag,
2609	.config_rings		= qla24xx_config_rings,
2610	.reset_adapter		= qla24xx_reset_adapter,
2611	.nvram_config		= qla81xx_nvram_config,
2612	.update_fw_options	= qla24xx_update_fw_options,
2613	.load_risc		= qla81xx_load_risc,
2614	.pci_info_str		= qla24xx_pci_info_str,
2615	.fw_version_str		= qla24xx_fw_version_str,
2616	.intr_handler		= qla24xx_intr_handler,
2617	.enable_intrs		= qla24xx_enable_intrs,
2618	.disable_intrs		= qla24xx_disable_intrs,
2619	.abort_command		= qla24xx_abort_command,
2620	.target_reset		= qla24xx_abort_target,
2621	.lun_reset		= qla24xx_lun_reset,
2622	.fabric_login		= qla24xx_login_fabric,
2623	.fabric_logout		= qla24xx_fabric_logout,
2624	.calc_req_entries	= NULL,
2625	.build_iocbs		= NULL,
2626	.prep_ms_iocb		= qla24xx_prep_ms_iocb,
2627	.prep_ms_fdmi_iocb	= qla24xx_prep_ms_fdmi_iocb,
2628	.read_nvram		= NULL,
2629	.write_nvram		= NULL,
2630	.fw_dump		= qla27xx_fwdump,
2631	.mpi_fw_dump		= qla27xx_mpi_fwdump,
2632	.beacon_on		= qla24xx_beacon_on,
2633	.beacon_off		= qla24xx_beacon_off,
2634	.beacon_blink		= qla83xx_beacon_blink,
2635	.read_optrom		= qla25xx_read_optrom_data,
2636	.write_optrom		= qla24xx_write_optrom_data,
2637	.get_flash_version	= qla24xx_get_flash_version,
2638	.start_scsi		= qla24xx_dif_start_scsi,
2639	.start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2640	.abort_isp		= qla2x00_abort_isp,
2641	.iospace_config		= qla83xx_iospace_config,
2642	.initialize_adapter	= qla2x00_initialize_adapter,
2643};
2644
2645static inline void
2646qla2x00_set_isp_flags(struct qla_hw_data *ha)
2647{
2648	ha->device_type = DT_EXTENDED_IDS;
2649	switch (ha->pdev->device) {
2650	case PCI_DEVICE_ID_QLOGIC_ISP2100:
2651		ha->isp_type |= DT_ISP2100;
2652		ha->device_type &= ~DT_EXTENDED_IDS;
2653		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2654		break;
2655	case PCI_DEVICE_ID_QLOGIC_ISP2200:
2656		ha->isp_type |= DT_ISP2200;
2657		ha->device_type &= ~DT_EXTENDED_IDS;
2658		ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2659		break;
2660	case PCI_DEVICE_ID_QLOGIC_ISP2300:
2661		ha->isp_type |= DT_ISP2300;
2662		ha->device_type |= DT_ZIO_SUPPORTED;
2663		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2664		break;
2665	case PCI_DEVICE_ID_QLOGIC_ISP2312:
2666		ha->isp_type |= DT_ISP2312;
2667		ha->device_type |= DT_ZIO_SUPPORTED;
2668		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2669		break;
2670	case PCI_DEVICE_ID_QLOGIC_ISP2322:
2671		ha->isp_type |= DT_ISP2322;
2672		ha->device_type |= DT_ZIO_SUPPORTED;
2673		if (ha->pdev->subsystem_vendor == 0x1028 &&
2674		    ha->pdev->subsystem_device == 0x0170)
2675			ha->device_type |= DT_OEM_001;
2676		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2677		break;
2678	case PCI_DEVICE_ID_QLOGIC_ISP6312:
2679		ha->isp_type |= DT_ISP6312;
2680		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2681		break;
2682	case PCI_DEVICE_ID_QLOGIC_ISP6322:
2683		ha->isp_type |= DT_ISP6322;
2684		ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2685		break;
2686	case PCI_DEVICE_ID_QLOGIC_ISP2422:
2687		ha->isp_type |= DT_ISP2422;
2688		ha->device_type |= DT_ZIO_SUPPORTED;
2689		ha->device_type |= DT_FWI2;
2690		ha->device_type |= DT_IIDMA;
2691		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2692		break;
2693	case PCI_DEVICE_ID_QLOGIC_ISP2432:
2694		ha->isp_type |= DT_ISP2432;
2695		ha->device_type |= DT_ZIO_SUPPORTED;
2696		ha->device_type |= DT_FWI2;
2697		ha->device_type |= DT_IIDMA;
2698		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2699		break;
2700	case PCI_DEVICE_ID_QLOGIC_ISP8432:
2701		ha->isp_type |= DT_ISP8432;
2702		ha->device_type |= DT_ZIO_SUPPORTED;
2703		ha->device_type |= DT_FWI2;
2704		ha->device_type |= DT_IIDMA;
2705		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2706		break;
2707	case PCI_DEVICE_ID_QLOGIC_ISP5422:
2708		ha->isp_type |= DT_ISP5422;
2709		ha->device_type |= DT_FWI2;
2710		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2711		break;
2712	case PCI_DEVICE_ID_QLOGIC_ISP5432:
2713		ha->isp_type |= DT_ISP5432;
2714		ha->device_type |= DT_FWI2;
2715		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2716		break;
2717	case PCI_DEVICE_ID_QLOGIC_ISP2532:
2718		ha->isp_type |= DT_ISP2532;
2719		ha->device_type |= DT_ZIO_SUPPORTED;
2720		ha->device_type |= DT_FWI2;
2721		ha->device_type |= DT_IIDMA;
2722		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2723		break;
2724	case PCI_DEVICE_ID_QLOGIC_ISP8001:
2725		ha->isp_type |= DT_ISP8001;
2726		ha->device_type |= DT_ZIO_SUPPORTED;
2727		ha->device_type |= DT_FWI2;
2728		ha->device_type |= DT_IIDMA;
2729		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2730		break;
2731	case PCI_DEVICE_ID_QLOGIC_ISP8021:
2732		ha->isp_type |= DT_ISP8021;
2733		ha->device_type |= DT_ZIO_SUPPORTED;
2734		ha->device_type |= DT_FWI2;
2735		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2736		/* Initialize 82XX ISP flags */
2737		qla82xx_init_flags(ha);
2738		break;
2739	 case PCI_DEVICE_ID_QLOGIC_ISP8044:
2740		ha->isp_type |= DT_ISP8044;
2741		ha->device_type |= DT_ZIO_SUPPORTED;
2742		ha->device_type |= DT_FWI2;
2743		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2744		/* Initialize 82XX ISP flags */
2745		qla82xx_init_flags(ha);
2746		break;
2747	case PCI_DEVICE_ID_QLOGIC_ISP2031:
2748		ha->isp_type |= DT_ISP2031;
2749		ha->device_type |= DT_ZIO_SUPPORTED;
2750		ha->device_type |= DT_FWI2;
2751		ha->device_type |= DT_IIDMA;
2752		ha->device_type |= DT_T10_PI;
2753		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2754		break;
2755	case PCI_DEVICE_ID_QLOGIC_ISP8031:
2756		ha->isp_type |= DT_ISP8031;
2757		ha->device_type |= DT_ZIO_SUPPORTED;
2758		ha->device_type |= DT_FWI2;
2759		ha->device_type |= DT_IIDMA;
2760		ha->device_type |= DT_T10_PI;
2761		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2762		break;
2763	case PCI_DEVICE_ID_QLOGIC_ISPF001:
2764		ha->isp_type |= DT_ISPFX00;
2765		break;
2766	case PCI_DEVICE_ID_QLOGIC_ISP2071:
2767		ha->isp_type |= DT_ISP2071;
2768		ha->device_type |= DT_ZIO_SUPPORTED;
2769		ha->device_type |= DT_FWI2;
2770		ha->device_type |= DT_IIDMA;
2771		ha->device_type |= DT_T10_PI;
2772		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2773		break;
2774	case PCI_DEVICE_ID_QLOGIC_ISP2271:
2775		ha->isp_type |= DT_ISP2271;
2776		ha->device_type |= DT_ZIO_SUPPORTED;
2777		ha->device_type |= DT_FWI2;
2778		ha->device_type |= DT_IIDMA;
2779		ha->device_type |= DT_T10_PI;
2780		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2781		break;
2782	case PCI_DEVICE_ID_QLOGIC_ISP2261:
2783		ha->isp_type |= DT_ISP2261;
2784		ha->device_type |= DT_ZIO_SUPPORTED;
2785		ha->device_type |= DT_FWI2;
2786		ha->device_type |= DT_IIDMA;
2787		ha->device_type |= DT_T10_PI;
2788		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2789		break;
2790	case PCI_DEVICE_ID_QLOGIC_ISP2081:
2791	case PCI_DEVICE_ID_QLOGIC_ISP2089:
2792		ha->isp_type |= DT_ISP2081;
2793		ha->device_type |= DT_ZIO_SUPPORTED;
2794		ha->device_type |= DT_FWI2;
2795		ha->device_type |= DT_IIDMA;
2796		ha->device_type |= DT_T10_PI;
2797		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2798		break;
2799	case PCI_DEVICE_ID_QLOGIC_ISP2281:
2800	case PCI_DEVICE_ID_QLOGIC_ISP2289:
2801		ha->isp_type |= DT_ISP2281;
2802		ha->device_type |= DT_ZIO_SUPPORTED;
2803		ha->device_type |= DT_FWI2;
2804		ha->device_type |= DT_IIDMA;
2805		ha->device_type |= DT_T10_PI;
2806		ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2807		break;
2808	}
2809
2810	if (IS_QLA82XX(ha))
2811		ha->port_no = ha->portnum & 1;
2812	else {
2813		/* Get adapter physical port no from interrupt pin register. */
2814		pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2815		if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
2816		    IS_QLA27XX(ha) || IS_QLA28XX(ha))
2817			ha->port_no--;
2818		else
2819			ha->port_no = !(ha->port_no & 1);
2820	}
2821
2822	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2823	    "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2824	    ha->device_type, ha->port_no, ha->fw_srisc_address);
2825}
2826
2827static void
2828qla2xxx_scan_start(struct Scsi_Host *shost)
2829{
2830	scsi_qla_host_t *vha = shost_priv(shost);
2831
2832	if (vha->hw->flags.running_gold_fw)
2833		return;
2834
2835	set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2836	set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2837	set_bit(RSCN_UPDATE, &vha->dpc_flags);
2838	set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2839}
2840
2841static int
2842qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2843{
2844	scsi_qla_host_t *vha = shost_priv(shost);
2845
2846	if (test_bit(UNLOADING, &vha->dpc_flags))
2847		return 1;
2848	if (!vha->host)
2849		return 1;
2850	if (time > vha->hw->loop_reset_delay * HZ)
2851		return 1;
2852
2853	return atomic_read(&vha->loop_state) == LOOP_READY;
2854}
2855
2856static void qla_heartbeat_work_fn(struct work_struct *work)
2857{
2858	struct qla_hw_data *ha = container_of(work,
2859		struct qla_hw_data, heartbeat_work);
2860	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2861
2862	if (!ha->flags.mbox_busy && base_vha->flags.init_done)
2863		qla_no_op_mb(base_vha);
2864}
2865
2866static void qla2x00_iocb_work_fn(struct work_struct *work)
2867{
2868	struct scsi_qla_host *vha = container_of(work,
2869		struct scsi_qla_host, iocb_work);
2870	struct qla_hw_data *ha = vha->hw;
2871	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
2872	int i = 2;
2873	unsigned long flags;
2874
2875	if (test_bit(UNLOADING, &base_vha->dpc_flags))
2876		return;
2877
2878	while (!list_empty(&vha->work_list) && i > 0) {
2879		qla2x00_do_work(vha);
2880		i--;
2881	}
2882
2883	spin_lock_irqsave(&vha->work_lock, flags);
2884	clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
2885	spin_unlock_irqrestore(&vha->work_lock, flags);
2886}
2887
2888static void
2889qla_trace_init(void)
2890{
2891	qla_trc_array = trace_array_get_by_name("qla2xxx");
2892	if (!qla_trc_array) {
2893		ql_log(ql_log_fatal, NULL, 0x0001,
2894		       "Unable to create qla2xxx trace instance, instance logging will be disabled.\n");
2895		return;
2896	}
2897
2898	QLA_TRACE_ENABLE(qla_trc_array);
2899}
2900
2901static void
2902qla_trace_uninit(void)
2903{
2904	if (!qla_trc_array)
2905		return;
2906	trace_array_put(qla_trc_array);
2907}
2908
2909/*
2910 * PCI driver interface
2911 */
2912static int
2913qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2914{
2915	int	ret = -ENODEV;
2916	struct Scsi_Host *host;
2917	scsi_qla_host_t *base_vha = NULL;
2918	struct qla_hw_data *ha;
2919	char pci_info[30];
2920	char fw_str[30], wq_name[30];
2921	struct scsi_host_template *sht;
2922	int bars, mem_only = 0;
2923	uint16_t req_length = 0, rsp_length = 0;
2924	struct req_que *req = NULL;
2925	struct rsp_que *rsp = NULL;
2926	int i;
2927
2928	bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2929	sht = &qla2xxx_driver_template;
2930	if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2931	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2932	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2933	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2934	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2935	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2936	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2937	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2938	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2939	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2940	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2941	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2942	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2943	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2944	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
2945	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
2946	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
2947	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
2948	    pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
2949		bars = pci_select_bars(pdev, IORESOURCE_MEM);
2950		mem_only = 1;
2951		ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2952		    "Mem only adapter.\n");
2953	}
2954	ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2955	    "Bars=%d.\n", bars);
2956
2957	if (mem_only) {
2958		if (pci_enable_device_mem(pdev))
2959			return ret;
2960	} else {
2961		if (pci_enable_device(pdev))
2962			return ret;
2963	}
2964
2965	if (is_kdump_kernel()) {
2966		ql2xmqsupport = 0;
2967		ql2xallocfwdump = 0;
2968	}
2969
2970	ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2971	if (!ha) {
2972		ql_log_pci(ql_log_fatal, pdev, 0x0009,
2973		    "Unable to allocate memory for ha.\n");
2974		goto disable_device;
2975	}
2976	ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2977	    "Memory allocated for ha=%p.\n", ha);
2978	ha->pdev = pdev;
2979	INIT_LIST_HEAD(&ha->tgt.q_full_list);
2980	spin_lock_init(&ha->tgt.q_full_lock);
2981	spin_lock_init(&ha->tgt.sess_lock);
2982	spin_lock_init(&ha->tgt.atio_lock);
2983
2984	spin_lock_init(&ha->sadb_lock);
2985	INIT_LIST_HEAD(&ha->sadb_tx_index_list);
2986	INIT_LIST_HEAD(&ha->sadb_rx_index_list);
2987
2988	spin_lock_init(&ha->sadb_fp_lock);
2989
2990	if (qla_edif_sadb_build_free_pool(ha)) {
2991		kfree(ha);
2992		goto  disable_device;
2993	}
2994
2995	atomic_set(&ha->nvme_active_aen_cnt, 0);
2996
2997	/* Clear our data area */
2998	ha->bars = bars;
2999	ha->mem_only = mem_only;
3000	spin_lock_init(&ha->hardware_lock);
3001	spin_lock_init(&ha->vport_slock);
3002	mutex_init(&ha->selflogin_lock);
3003	mutex_init(&ha->optrom_mutex);
3004
3005	/* Set ISP-type information. */
3006	qla2x00_set_isp_flags(ha);
3007
3008	/* Set EEH reset type to fundamental if required by hba */
3009	if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
3010	    IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
3011		pdev->needs_freset = 1;
3012
3013	ha->prev_topology = 0;
3014	ha->init_cb_size = sizeof(init_cb_t);
3015	ha->link_data_rate = PORT_SPEED_UNKNOWN;
3016	ha->optrom_size = OPTROM_SIZE_2300;
3017	ha->max_exchg = FW_MAX_EXCHANGES_CNT;
3018	atomic_set(&ha->num_pend_mbx_stage1, 0);
3019	atomic_set(&ha->num_pend_mbx_stage2, 0);
3020	atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
3021	ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
3022	INIT_LIST_HEAD(&ha->tmf_pending);
3023	INIT_LIST_HEAD(&ha->tmf_active);
3024
3025	/* Assign ISP specific operations. */
3026	if (IS_QLA2100(ha)) {
3027		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3028		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
3029		req_length = REQUEST_ENTRY_CNT_2100;
3030		rsp_length = RESPONSE_ENTRY_CNT_2100;
3031		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3032		ha->gid_list_info_size = 4;
3033		ha->flash_conf_off = ~0;
3034		ha->flash_data_off = ~0;
3035		ha->nvram_conf_off = ~0;
3036		ha->nvram_data_off = ~0;
3037		ha->isp_ops = &qla2100_isp_ops;
3038	} else if (IS_QLA2200(ha)) {
3039		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3040		ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
3041		req_length = REQUEST_ENTRY_CNT_2200;
3042		rsp_length = RESPONSE_ENTRY_CNT_2100;
3043		ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
3044		ha->gid_list_info_size = 4;
3045		ha->flash_conf_off = ~0;
3046		ha->flash_data_off = ~0;
3047		ha->nvram_conf_off = ~0;
3048		ha->nvram_data_off = ~0;
3049		ha->isp_ops = &qla2100_isp_ops;
3050	} else if (IS_QLA23XX(ha)) {
3051		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
3052		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3053		req_length = REQUEST_ENTRY_CNT_2200;
3054		rsp_length = RESPONSE_ENTRY_CNT_2300;
3055		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3056		ha->gid_list_info_size = 6;
3057		if (IS_QLA2322(ha) || IS_QLA6322(ha))
3058			ha->optrom_size = OPTROM_SIZE_2322;
3059		ha->flash_conf_off = ~0;
3060		ha->flash_data_off = ~0;
3061		ha->nvram_conf_off = ~0;
3062		ha->nvram_data_off = ~0;
3063		ha->isp_ops = &qla2300_isp_ops;
3064	} else if (IS_QLA24XX_TYPE(ha)) {
3065		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3066		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3067		req_length = REQUEST_ENTRY_CNT_24XX;
3068		rsp_length = RESPONSE_ENTRY_CNT_2300;
3069		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3070		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3071		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3072		ha->gid_list_info_size = 8;
3073		ha->optrom_size = OPTROM_SIZE_24XX;
3074		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
3075		ha->isp_ops = &qla24xx_isp_ops;
3076		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3077		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3078		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3079		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3080	} else if (IS_QLA25XX(ha)) {
3081		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3082		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3083		req_length = REQUEST_ENTRY_CNT_24XX;
3084		rsp_length = RESPONSE_ENTRY_CNT_2300;
3085		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3086		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3087		ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
3088		ha->gid_list_info_size = 8;
3089		ha->optrom_size = OPTROM_SIZE_25XX;
3090		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3091		ha->isp_ops = &qla25xx_isp_ops;
3092		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3093		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3094		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3095		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3096	} else if (IS_QLA81XX(ha)) {
3097		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3098		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3099		req_length = REQUEST_ENTRY_CNT_24XX;
3100		rsp_length = RESPONSE_ENTRY_CNT_2300;
3101		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3102		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3103		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3104		ha->gid_list_info_size = 8;
3105		ha->optrom_size = OPTROM_SIZE_81XX;
3106		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3107		ha->isp_ops = &qla81xx_isp_ops;
3108		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3109		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3110		ha->nvram_conf_off = ~0;
3111		ha->nvram_data_off = ~0;
3112	} else if (IS_QLA82XX(ha)) {
3113		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3114		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3115		req_length = REQUEST_ENTRY_CNT_82XX;
3116		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3117		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3118		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3119		ha->gid_list_info_size = 8;
3120		ha->optrom_size = OPTROM_SIZE_82XX;
3121		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3122		ha->isp_ops = &qla82xx_isp_ops;
3123		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3124		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3125		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3126		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3127	} else if (IS_QLA8044(ha)) {
3128		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3129		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3130		req_length = REQUEST_ENTRY_CNT_82XX;
3131		rsp_length = RESPONSE_ENTRY_CNT_82XX;
3132		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3133		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3134		ha->gid_list_info_size = 8;
3135		ha->optrom_size = OPTROM_SIZE_83XX;
3136		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3137		ha->isp_ops = &qla8044_isp_ops;
3138		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
3139		ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
3140		ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
3141		ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
3142	} else if (IS_QLA83XX(ha)) {
3143		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3144		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3145		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3146		req_length = REQUEST_ENTRY_CNT_83XX;
3147		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3148		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3149		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3150		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3151		ha->gid_list_info_size = 8;
3152		ha->optrom_size = OPTROM_SIZE_83XX;
3153		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3154		ha->isp_ops = &qla83xx_isp_ops;
3155		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3156		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3157		ha->nvram_conf_off = ~0;
3158		ha->nvram_data_off = ~0;
3159	}  else if (IS_QLAFX00(ha)) {
3160		ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
3161		ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
3162		ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
3163		req_length = REQUEST_ENTRY_CNT_FX00;
3164		rsp_length = RESPONSE_ENTRY_CNT_FX00;
3165		ha->isp_ops = &qlafx00_isp_ops;
3166		ha->port_down_retry_count = 30; /* default value */
3167		ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
3168		ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
3169		ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
3170		ha->mr.fw_hbt_en = 1;
3171		ha->mr.host_info_resend = false;
3172		ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
3173	} else if (IS_QLA27XX(ha)) {
3174		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3175		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3176		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3177		req_length = REQUEST_ENTRY_CNT_83XX;
3178		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3179		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3180		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3181		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3182		ha->gid_list_info_size = 8;
3183		ha->optrom_size = OPTROM_SIZE_83XX;
3184		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3185		ha->isp_ops = &qla27xx_isp_ops;
3186		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
3187		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
3188		ha->nvram_conf_off = ~0;
3189		ha->nvram_data_off = ~0;
3190	} else if (IS_QLA28XX(ha)) {
3191		ha->portnum = PCI_FUNC(ha->pdev->devfn);
3192		ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
3193		ha->mbx_count = MAILBOX_REGISTER_COUNT;
3194		req_length = REQUEST_ENTRY_CNT_83XX;
3195		rsp_length = RESPONSE_ENTRY_CNT_83XX;
3196		ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
3197		ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
3198		ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
3199		ha->gid_list_info_size = 8;
3200		ha->optrom_size = OPTROM_SIZE_28XX;
3201		ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
3202		ha->isp_ops = &qla27xx_isp_ops;
3203		ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
3204		ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
3205		ha->nvram_conf_off = ~0;
3206		ha->nvram_data_off = ~0;
3207	}
3208
3209	ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
3210	    "mbx_count=%d, req_length=%d, "
3211	    "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
3212	    "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
3213	    "max_fibre_devices=%d.\n",
3214	    ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
3215	    ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
3216	    ha->nvram_npiv_size, ha->max_fibre_devices);
3217	ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
3218	    "isp_ops=%p, flash_conf_off=%d, "
3219	    "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
3220	    ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
3221	    ha->nvram_conf_off, ha->nvram_data_off);
3222
3223	/* Configure PCI I/O space */
3224	ret = ha->isp_ops->iospace_config(ha);
3225	if (ret)
3226		goto iospace_config_failed;
3227
3228	ql_log_pci(ql_log_info, pdev, 0x001d,
3229	    "Found an ISP%04X irq %d iobase 0x%p.\n",
3230	    pdev->device, pdev->irq, ha->iobase);
3231	mutex_init(&ha->vport_lock);
3232	mutex_init(&ha->mq_lock);
3233	init_completion(&ha->mbx_cmd_comp);
3234	complete(&ha->mbx_cmd_comp);
3235	init_completion(&ha->mbx_intr_comp);
3236	init_completion(&ha->dcbx_comp);
3237	init_completion(&ha->lb_portup_comp);
3238
3239	set_bit(0, (unsigned long *) ha->vp_idx_map);
3240
3241	qla2x00_config_dma_addressing(ha);
3242	ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
3243	    "64 Bit addressing is %s.\n",
3244	    ha->flags.enable_64bit_addressing ? "enable" :
3245	    "disable");
3246	ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
3247	if (ret) {
3248		ql_log_pci(ql_log_fatal, pdev, 0x0031,
3249		    "Failed to allocate memory for adapter, aborting.\n");
3250
3251		goto probe_hw_failed;
3252	}
3253
3254	req->max_q_depth = MAX_Q_DEPTH;
3255	if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3256		req->max_q_depth = ql2xmaxqdepth;
3257
3258
3259	base_vha = qla2x00_create_host(sht, ha);
3260	if (!base_vha) {
3261		ret = -ENOMEM;
3262		goto probe_hw_failed;
3263	}
3264
3265	pci_set_drvdata(pdev, base_vha);
3266	set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3267
3268	host = base_vha->host;
3269	base_vha->req = req;
3270	if (IS_QLA2XXX_MIDTYPE(ha))
3271		base_vha->mgmt_svr_loop_id =
3272			qla2x00_reserve_mgmt_server_loop_id(base_vha);
3273	else
3274		base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3275						base_vha->vp_idx;
3276
3277	/* Setup fcport template structure. */
3278	ha->mr.fcport.vha = base_vha;
3279	ha->mr.fcport.port_type = FCT_UNKNOWN;
3280	ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3281	qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3282	ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3283	ha->mr.fcport.scan_state = 1;
3284
3285	qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
3286			    QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
3287			    QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
3288
3289	/* Set the SG table size based on ISP type */
3290	if (!IS_FWI2_CAPABLE(ha)) {
3291		if (IS_QLA2100(ha))
3292			host->sg_tablesize = 32;
3293	} else {
3294		if (!IS_QLA82XX(ha))
3295			host->sg_tablesize = QLA_SG_ALL;
3296	}
3297	host->max_id = ha->max_fibre_devices;
3298	host->cmd_per_lun = 3;
3299	host->unique_id = host->host_no;
3300
3301	if (ql2xenabledif && ql2xenabledif != 2) {
3302		ql_log(ql_log_warn, base_vha, 0x302d,
3303		       "Invalid value for ql2xenabledif, resetting it to default (2)\n");
3304		ql2xenabledif = 2;
3305	}
3306
3307	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3308		host->max_cmd_len = 32;
3309	else
3310		host->max_cmd_len = MAX_CMDSZ;
3311	host->max_channel = MAX_BUSES - 1;
3312	/* Older HBAs support only 16-bit LUNs */
3313	if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3314	    ql2xmaxlun > 0xffff)
3315		host->max_lun = 0xffff;
3316	else
3317		host->max_lun = ql2xmaxlun;
3318	host->transportt = qla2xxx_transport_template;
3319	sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3320
3321	ql_dbg(ql_dbg_init, base_vha, 0x0033,
3322	    "max_id=%d this_id=%d "
3323	    "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3324	    "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3325	    host->this_id, host->cmd_per_lun, host->unique_id,
3326	    host->max_cmd_len, host->max_channel, host->max_lun,
3327	    host->transportt, sht->vendor_id);
3328
3329	INIT_WORK(&ha->heartbeat_work, qla_heartbeat_work_fn);
3330
3331	/* Set up the irqs */
3332	ret = qla2x00_request_irqs(ha, rsp);
3333	if (ret)
3334		goto probe_failed;
3335
3336	/* Alloc arrays of request and response ring ptrs */
3337	ret = qla2x00_alloc_queues(ha, req, rsp);
3338	if (ret) {
3339		ql_log(ql_log_fatal, base_vha, 0x003d,
3340		    "Failed to allocate memory for queue pointers..."
3341		    "aborting.\n");
3342		ret = -ENODEV;
3343		goto probe_failed;
3344	}
3345
3346	if (ha->mqenable) {
3347		/* number of hardware queues supported by blk/scsi-mq*/
3348		host->nr_hw_queues = ha->max_qpairs;
3349
3350		ql_dbg(ql_dbg_init, base_vha, 0x0192,
3351			"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3352	} else {
3353		if (ql2xnvmeenable) {
3354			host->nr_hw_queues = ha->max_qpairs;
3355			ql_dbg(ql_dbg_init, base_vha, 0x0194,
3356			    "FC-NVMe support is enabled, HW queues=%d\n",
3357			    host->nr_hw_queues);
3358		} else {
3359			ql_dbg(ql_dbg_init, base_vha, 0x0193,
3360			    "blk/scsi-mq disabled.\n");
3361		}
3362	}
3363
3364	qlt_probe_one_stage1(base_vha, ha);
3365
3366	pci_save_state(pdev);
3367
3368	/* Assign back pointers */
3369	rsp->req = req;
3370	req->rsp = rsp;
3371
3372	if (IS_QLAFX00(ha)) {
3373		ha->rsp_q_map[0] = rsp;
3374		ha->req_q_map[0] = req;
3375		set_bit(0, ha->req_qid_map);
3376		set_bit(0, ha->rsp_qid_map);
3377	}
3378
3379	/* FWI2-capable only. */
3380	req->req_q_in = &ha->iobase->isp24.req_q_in;
3381	req->req_q_out = &ha->iobase->isp24.req_q_out;
3382	rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3383	rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3384	if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
3385	    IS_QLA28XX(ha)) {
3386		req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3387		req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3388		rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3389		rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3390	}
3391
3392	if (IS_QLAFX00(ha)) {
3393		req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3394		req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3395		rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3396		rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3397	}
3398
3399	if (IS_P3P_TYPE(ha)) {
3400		req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3401		rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3402		rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3403	}
3404
3405	ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3406	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3407	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3408	ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3409	    "req->req_q_in=%p req->req_q_out=%p "
3410	    "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3411	    req->req_q_in, req->req_q_out,
3412	    rsp->rsp_q_in, rsp->rsp_q_out);
3413	ql_dbg(ql_dbg_init, base_vha, 0x003e,
3414	    "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3415	    ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3416	ql_dbg(ql_dbg_init, base_vha, 0x003f,
3417	    "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3418	    req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3419
3420	ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3421	if (unlikely(!ha->wq)) {
3422		ret = -ENOMEM;
3423		goto probe_failed;
3424	}
3425
3426	if (ha->isp_ops->initialize_adapter(base_vha)) {
3427		ql_log(ql_log_fatal, base_vha, 0x00d6,
3428		    "Failed to initialize adapter - Adapter flags %x.\n",
3429		    base_vha->device_flags);
3430
3431		if (IS_QLA82XX(ha)) {
3432			qla82xx_idc_lock(ha);
3433			qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3434				QLA8XXX_DEV_FAILED);
3435			qla82xx_idc_unlock(ha);
3436			ql_log(ql_log_fatal, base_vha, 0x00d7,
3437			    "HW State: FAILED.\n");
3438		} else if (IS_QLA8044(ha)) {
3439			qla8044_idc_lock(ha);
3440			qla8044_wr_direct(base_vha,
3441				QLA8044_CRB_DEV_STATE_INDEX,
3442				QLA8XXX_DEV_FAILED);
3443			qla8044_idc_unlock(ha);
3444			ql_log(ql_log_fatal, base_vha, 0x0150,
3445			    "HW State: FAILED.\n");
3446		}
3447
3448		ret = -ENODEV;
3449		goto probe_failed;
3450	}
3451
3452	if (IS_QLAFX00(ha))
3453		host->can_queue = QLAFX00_MAX_CANQUEUE;
3454	else
3455		host->can_queue = req->num_outstanding_cmds - 10;
3456
3457	ql_dbg(ql_dbg_init, base_vha, 0x0032,
3458	    "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3459	    host->can_queue, base_vha->req,
3460	    base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3461
3462	/* Check if FW supports MQ or not for ISP25xx */
3463	if (IS_QLA25XX(ha) && !(ha->fw_attributes & BIT_6))
3464		ha->mqenable = 0;
3465
3466	if (ha->mqenable) {
3467		bool startit = false;
3468
3469		if (QLA_TGT_MODE_ENABLED())
3470			startit = false;
3471
3472		if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
3473			startit = true;
3474
3475		/* Create start of day qpairs for Block MQ */
3476		for (i = 0; i < ha->max_qpairs; i++)
3477			qla2xxx_create_qpair(base_vha, 5, 0, startit);
3478	}
3479	qla_init_iocb_limit(base_vha);
3480
3481	if (ha->flags.running_gold_fw)
3482		goto skip_dpc;
3483
3484	/*
3485	 * Startup the kernel thread for this host adapter
3486	 */
3487	ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3488	    "%s_dpc", base_vha->host_str);
3489	if (IS_ERR(ha->dpc_thread)) {
3490		ql_log(ql_log_fatal, base_vha, 0x00ed,
3491		    "Failed to start DPC thread.\n");
3492		ret = PTR_ERR(ha->dpc_thread);
3493		ha->dpc_thread = NULL;
3494		goto probe_failed;
3495	}
3496	ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3497	    "DPC thread started successfully.\n");
3498
3499	/*
3500	 * If we're not coming up in initiator mode, we might sit for
3501	 * a while without waking up the dpc thread, which leads to a
3502	 * stuck process warning.  So just kick the dpc once here and
3503	 * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3504	 */
3505	qla2xxx_wake_dpc(base_vha);
3506
3507	INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3508
3509	if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3510		sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3511		ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3512		INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3513
3514		sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3515		ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3516		INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3517		INIT_WORK(&ha->idc_state_handler,
3518		    qla83xx_idc_state_handler_work);
3519		INIT_WORK(&ha->nic_core_unrecoverable,
3520		    qla83xx_nic_core_unrecoverable_work);
3521	}
3522
3523skip_dpc:
3524	list_add_tail(&base_vha->list, &ha->vp_list);
3525	base_vha->host->irq = ha->pdev->irq;
3526
3527	/* Initialized the timer */
3528	qla2x00_start_timer(base_vha, WATCH_INTERVAL);
3529	ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3530	    "Started qla2x00_timer with "
3531	    "interval=%d.\n", WATCH_INTERVAL);
3532	ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3533	    "Detected hba at address=%p.\n",
3534	    ha);
3535
3536	if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3537		if (ha->fw_attributes & BIT_4) {
3538			int prot = 0, guard;
3539
3540			base_vha->flags.difdix_supported = 1;
3541			ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3542			    "Registering for DIF/DIX type 1 and 3 protection.\n");
3543			if (ql2xprotmask)
3544				scsi_host_set_prot(host, ql2xprotmask);
3545			else
3546				scsi_host_set_prot(host,
3547				    prot | SHOST_DIF_TYPE1_PROTECTION
3548				    | SHOST_DIF_TYPE2_PROTECTION
3549				    | SHOST_DIF_TYPE3_PROTECTION
3550				    | SHOST_DIX_TYPE1_PROTECTION
3551				    | SHOST_DIX_TYPE2_PROTECTION
3552				    | SHOST_DIX_TYPE3_PROTECTION);
3553
3554			guard = SHOST_DIX_GUARD_CRC;
3555
3556			if (IS_PI_IPGUARD_CAPABLE(ha) &&
3557			    (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3558				guard |= SHOST_DIX_GUARD_IP;
3559
3560			if (ql2xprotguard)
3561				scsi_host_set_guard(host, ql2xprotguard);
3562			else
3563				scsi_host_set_guard(host, guard);
3564		} else
3565			base_vha->flags.difdix_supported = 0;
3566	}
3567
3568	ha->isp_ops->enable_intrs(ha);
3569
3570	if (IS_QLAFX00(ha)) {
3571		ret = qlafx00_fx_disc(base_vha,
3572			&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3573		host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3574		    QLA_SG_ALL : 128;
3575	}
3576
3577	ret = scsi_add_host(host, &pdev->dev);
3578	if (ret)
3579		goto probe_failed;
3580
3581	base_vha->flags.init_done = 1;
3582	base_vha->flags.online = 1;
3583	ha->prev_minidump_failed = 0;
3584
3585	ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3586	    "Init done and hba is online.\n");
3587
3588	if (qla_ini_mode_enabled(base_vha) ||
3589		qla_dual_mode_enabled(base_vha))
3590		scsi_scan_host(host);
3591	else
3592		ql_log(ql_log_info, base_vha, 0x0122,
3593			"skipping scsi_scan_host() for non-initiator port\n");
3594
3595	qla2x00_alloc_sysfs_attr(base_vha);
3596
3597	if (IS_QLAFX00(ha)) {
3598		ret = qlafx00_fx_disc(base_vha,
3599			&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3600
3601		/* Register system information */
3602		ret =  qlafx00_fx_disc(base_vha,
3603			&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3604	}
3605
3606	qla2x00_init_host_attr(base_vha);
3607
3608	qla2x00_dfs_setup(base_vha);
3609
3610	ql_log(ql_log_info, base_vha, 0x00fb,
3611	    "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3612	ql_log(ql_log_info, base_vha, 0x00fc,
3613	    "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3614	    pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
3615						       sizeof(pci_info)),
3616	    pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3617	    base_vha->host_no,
3618	    ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3619
3620	qlt_add_target(ha, base_vha);
3621
3622	clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3623
3624	if (test_bit(UNLOADING, &base_vha->dpc_flags))
3625		return -ENODEV;
3626
3627	return 0;
3628
3629probe_failed:
3630	qla_enode_stop(base_vha);
3631	qla_edb_stop(base_vha);
3632	vfree(base_vha->scan.l);
3633	if (base_vha->gnl.l) {
3634		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3635				base_vha->gnl.l, base_vha->gnl.ldma);
3636		base_vha->gnl.l = NULL;
3637	}
3638
3639	if (base_vha->timer_active)
3640		qla2x00_stop_timer(base_vha);
3641	base_vha->flags.online = 0;
3642	if (ha->dpc_thread) {
3643		struct task_struct *t = ha->dpc_thread;
3644
3645		ha->dpc_thread = NULL;
3646		kthread_stop(t);
3647	}
3648
3649	qla2x00_free_device(base_vha);
3650	scsi_host_put(base_vha->host);
3651	/*
3652	 * Need to NULL out local req/rsp after
3653	 * qla2x00_free_device => qla2x00_free_queues frees
3654	 * what these are pointing to. Or else we'll
3655	 * fall over below in qla2x00_free_req/rsp_que.
3656	 */
3657	req = NULL;
3658	rsp = NULL;
3659
3660probe_hw_failed:
3661	qla2x00_mem_free(ha);
3662	qla2x00_free_req_que(ha, req);
3663	qla2x00_free_rsp_que(ha, rsp);
3664	qla2x00_clear_drv_active(ha);
3665
3666iospace_config_failed:
3667	if (IS_P3P_TYPE(ha)) {
3668		if (!ha->nx_pcibase)
3669			iounmap((device_reg_t *)ha->nx_pcibase);
3670		if (!ql2xdbwr)
3671			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3672	} else {
3673		if (ha->iobase)
3674			iounmap(ha->iobase);
3675		if (ha->cregbase)
3676			iounmap(ha->cregbase);
3677	}
3678	pci_release_selected_regions(ha->pdev, ha->bars);
3679	kfree(ha);
3680
3681disable_device:
3682	pci_disable_device(pdev);
3683	return ret;
3684}
3685
3686static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
3687{
3688	scsi_qla_host_t *vp;
3689	unsigned long flags;
3690	struct qla_hw_data *ha;
3691
3692	if (!base_vha)
3693		return;
3694
3695	ha = base_vha->hw;
3696
3697	spin_lock_irqsave(&ha->vport_slock, flags);
3698	list_for_each_entry(vp, &ha->vp_list, list)
3699		set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
3700
3701	/*
3702	 * Indicate device removal to prevent future board_disable
3703	 * and wait until any pending board_disable has completed.
3704	 */
3705	set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3706	spin_unlock_irqrestore(&ha->vport_slock, flags);
3707}
3708
3709static void
3710qla2x00_shutdown(struct pci_dev *pdev)
3711{
3712	scsi_qla_host_t *vha;
3713	struct qla_hw_data  *ha;
3714
3715	vha = pci_get_drvdata(pdev);
3716	ha = vha->hw;
3717
3718	ql_log(ql_log_info, vha, 0xfffa,
3719		"Adapter shutdown\n");
3720
3721	/*
3722	 * Prevent future board_disable and wait
3723	 * until any pending board_disable has completed.
3724	 */
3725	__qla_set_remove_flag(vha);
3726	cancel_work_sync(&ha->board_disable);
3727
3728	if (!atomic_read(&pdev->enable_cnt))
3729		return;
3730
3731	/* Notify ISPFX00 firmware */
3732	if (IS_QLAFX00(ha))
3733		qlafx00_driver_shutdown(vha, 20);
3734
3735	/* Turn-off FCE trace */
3736	if (ha->flags.fce_enabled) {
3737		qla2x00_disable_fce_trace(vha, NULL, NULL);
3738		ha->flags.fce_enabled = 0;
3739	}
3740
3741	/* Turn-off EFT trace */
3742	if (ha->eft)
3743		qla2x00_disable_eft_trace(vha);
3744
3745	if (IS_QLA25XX(ha) ||  IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3746	    IS_QLA28XX(ha)) {
3747		if (ha->flags.fw_started)
3748			qla2x00_abort_isp_cleanup(vha);
3749	} else {
3750		/* Stop currently executing firmware. */
3751		qla2x00_try_to_stop_firmware(vha);
3752	}
3753
3754	/* Disable timer */
3755	if (vha->timer_active)
3756		qla2x00_stop_timer(vha);
3757
3758	/* Turn adapter off line */
3759	vha->flags.online = 0;
3760
3761	/* turn-off interrupts on the card */
3762	if (ha->interrupts_on) {
3763		vha->flags.init_done = 0;
3764		ha->isp_ops->disable_intrs(ha);
3765	}
3766
3767	qla2x00_free_irqs(vha);
3768
3769	qla2x00_free_fw_dump(ha);
3770
3771	pci_disable_device(pdev);
3772	ql_log(ql_log_info, vha, 0xfffe,
3773		"Adapter shutdown successfully.\n");
3774}
3775
3776/* Deletes all the virtual ports for a given ha */
3777static void
3778qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3779{
3780	scsi_qla_host_t *vha;
3781	unsigned long flags;
3782
3783	mutex_lock(&ha->vport_lock);
3784	while (ha->cur_vport_count) {
3785		spin_lock_irqsave(&ha->vport_slock, flags);
3786
3787		BUG_ON(base_vha->list.next == &ha->vp_list);
3788		/* This assumes first entry in ha->vp_list is always base vha */
3789		vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3790		scsi_host_get(vha->host);
3791
3792		spin_unlock_irqrestore(&ha->vport_slock, flags);
3793		mutex_unlock(&ha->vport_lock);
3794
3795		qla_nvme_delete(vha);
3796
3797		fc_vport_terminate(vha->fc_vport);
3798		scsi_host_put(vha->host);
3799
3800		mutex_lock(&ha->vport_lock);
3801	}
3802	mutex_unlock(&ha->vport_lock);
3803}
3804
3805/* Stops all deferred work threads */
3806static void
3807qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3808{
3809	/* Cancel all work and destroy DPC workqueues */
3810	if (ha->dpc_lp_wq) {
3811		cancel_work_sync(&ha->idc_aen);
3812		destroy_workqueue(ha->dpc_lp_wq);
3813		ha->dpc_lp_wq = NULL;
3814	}
3815
3816	if (ha->dpc_hp_wq) {
3817		cancel_work_sync(&ha->nic_core_reset);
3818		cancel_work_sync(&ha->idc_state_handler);
3819		cancel_work_sync(&ha->nic_core_unrecoverable);
3820		destroy_workqueue(ha->dpc_hp_wq);
3821		ha->dpc_hp_wq = NULL;
3822	}
3823
3824	/* Kill the kernel thread for this host */
3825	if (ha->dpc_thread) {
3826		struct task_struct *t = ha->dpc_thread;
3827
3828		/*
3829		 * qla2xxx_wake_dpc checks for ->dpc_thread
3830		 * so we need to zero it out.
3831		 */
3832		ha->dpc_thread = NULL;
3833		kthread_stop(t);
3834	}
3835}
3836
3837static void
3838qla2x00_unmap_iobases(struct qla_hw_data *ha)
3839{
3840	if (IS_QLA82XX(ha)) {
3841
3842		iounmap((device_reg_t *)ha->nx_pcibase);
3843		if (!ql2xdbwr)
3844			iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3845	} else {
3846		if (ha->iobase)
3847			iounmap(ha->iobase);
3848
3849		if (ha->cregbase)
3850			iounmap(ha->cregbase);
3851
3852		if (ha->mqiobase)
3853			iounmap(ha->mqiobase);
3854
3855		if (ha->msixbase)
3856			iounmap(ha->msixbase);
3857	}
3858}
3859
3860static void
3861qla2x00_clear_drv_active(struct qla_hw_data *ha)
3862{
3863	if (IS_QLA8044(ha)) {
3864		qla8044_idc_lock(ha);
3865		qla8044_clear_drv_active(ha);
3866		qla8044_idc_unlock(ha);
3867	} else if (IS_QLA82XX(ha)) {
3868		qla82xx_idc_lock(ha);
3869		qla82xx_clear_drv_active(ha);
3870		qla82xx_idc_unlock(ha);
3871	}
3872}
3873
3874static void
3875qla2x00_remove_one(struct pci_dev *pdev)
3876{
3877	scsi_qla_host_t *base_vha;
3878	struct qla_hw_data  *ha;
3879
3880	base_vha = pci_get_drvdata(pdev);
3881	ha = base_vha->hw;
3882	ql_log(ql_log_info, base_vha, 0xb079,
3883	    "Removing driver\n");
3884	__qla_set_remove_flag(base_vha);
3885	cancel_work_sync(&ha->board_disable);
3886
3887	/*
3888	 * If the PCI device is disabled then there was a PCI-disconnect and
3889	 * qla2x00_disable_board_on_pci_error has taken care of most of the
3890	 * resources.
3891	 */
3892	if (!atomic_read(&pdev->enable_cnt)) {
3893		dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
3894		    base_vha->gnl.l, base_vha->gnl.ldma);
3895		base_vha->gnl.l = NULL;
3896		scsi_host_put(base_vha->host);
3897		kfree(ha);
3898		pci_set_drvdata(pdev, NULL);
3899		return;
3900	}
3901	qla2x00_wait_for_hba_ready(base_vha);
3902
3903	/*
3904	 * if UNLOADING flag is already set, then continue unload,
3905	 * where it was set first.
3906	 */
3907	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
3908		return;
3909
3910	if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
3911	    IS_QLA28XX(ha)) {
3912		if (ha->flags.fw_started)
3913			qla2x00_abort_isp_cleanup(base_vha);
3914	} else if (!IS_QLAFX00(ha)) {
3915		if (IS_QLA8031(ha)) {
3916			ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3917			    "Clearing fcoe driver presence.\n");
3918			if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3919				ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3920				    "Error while clearing DRV-Presence.\n");
3921		}
3922
3923		qla2x00_try_to_stop_firmware(base_vha);
3924	}
3925
3926	qla2x00_wait_for_sess_deletion(base_vha);
3927
3928	qla_nvme_delete(base_vha);
3929
3930	dma_free_coherent(&ha->pdev->dev,
3931		base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
3932
3933	base_vha->gnl.l = NULL;
3934	qla_enode_stop(base_vha);
3935	qla_edb_stop(base_vha);
3936
3937	vfree(base_vha->scan.l);
3938
3939	if (IS_QLAFX00(ha))
3940		qlafx00_driver_shutdown(base_vha, 20);
3941
3942	qla2x00_delete_all_vps(ha, base_vha);
3943
3944	qla2x00_dfs_remove(base_vha);
3945
3946	qla84xx_put_chip(base_vha);
3947
3948	/* Disable timer */
3949	if (base_vha->timer_active)
3950		qla2x00_stop_timer(base_vha);
3951
3952	base_vha->flags.online = 0;
3953
3954	/* free DMA memory */
3955	if (ha->exlogin_buf)
3956		qla2x00_free_exlogin_buffer(ha);
3957
3958	/* free DMA memory */
3959	if (ha->exchoffld_buf)
3960		qla2x00_free_exchoffld_buffer(ha);
3961
3962	qla2x00_destroy_deferred_work(ha);
3963
3964	qlt_remove_target(ha, base_vha);
3965
3966	qla2x00_free_sysfs_attr(base_vha, true);
3967
3968	fc_remove_host(base_vha->host);
3969
3970	scsi_remove_host(base_vha->host);
3971
3972	qla2x00_free_device(base_vha);
3973
3974	qla2x00_clear_drv_active(ha);
3975
3976	scsi_host_put(base_vha->host);
3977
3978	qla2x00_unmap_iobases(ha);
3979
3980	pci_release_selected_regions(ha->pdev, ha->bars);
3981	kfree(ha);
3982
3983	pci_disable_device(pdev);
3984}
3985
3986static inline void
3987qla24xx_free_purex_list(struct purex_list *list)
3988{
3989	struct purex_item *item, *next;
3990	ulong flags;
3991
3992	spin_lock_irqsave(&list->lock, flags);
3993	list_for_each_entry_safe(item, next, &list->head, list) {
3994		list_del(&item->list);
3995		if (item == &item->vha->default_item)
3996			continue;
3997		kfree(item);
3998	}
3999	spin_unlock_irqrestore(&list->lock, flags);
4000}
4001
4002static void
4003qla2x00_free_device(scsi_qla_host_t *vha)
4004{
4005	struct qla_hw_data *ha = vha->hw;
4006
4007	qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
4008
4009	/* Disable timer */
4010	if (vha->timer_active)
4011		qla2x00_stop_timer(vha);
4012
4013	qla25xx_delete_queues(vha);
4014	vha->flags.online = 0;
4015
4016	/* turn-off interrupts on the card */
4017	if (ha->interrupts_on) {
4018		vha->flags.init_done = 0;
4019		ha->isp_ops->disable_intrs(ha);
4020	}
4021
4022	qla2x00_free_fcports(vha);
4023
4024	qla2x00_free_irqs(vha);
4025
4026	/* Flush the work queue and remove it */
4027	if (ha->wq) {
4028		destroy_workqueue(ha->wq);
4029		ha->wq = NULL;
4030	}
4031
4032
4033	qla24xx_free_purex_list(&vha->purex_list);
4034
4035	qla2x00_mem_free(ha);
4036
4037	qla82xx_md_free(vha);
4038
4039	qla_edif_sadb_release_free_pool(ha);
4040	qla_edif_sadb_release(ha);
4041
4042	qla2x00_free_queues(ha);
4043}
4044
4045void qla2x00_free_fcports(struct scsi_qla_host *vha)
4046{
4047	fc_port_t *fcport, *tfcport;
4048
4049	list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
4050		qla2x00_free_fcport(fcport);
4051}
4052
4053static inline void
4054qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
4055{
4056	int now;
4057
4058	if (!fcport->rport)
4059		return;
4060
4061	if (fcport->rport) {
4062		ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
4063		    "%s %8phN. rport %p roles %x\n",
4064		    __func__, fcport->port_name, fcport->rport,
4065		    fcport->rport->roles);
4066		fc_remote_port_delete(fcport->rport);
4067	}
4068	qlt_do_generation_tick(vha, &now);
4069}
4070
4071/*
4072 * qla2x00_mark_device_lost Updates fcport state when device goes offline.
4073 *
4074 * Input: ha = adapter block pointer.  fcport = port structure pointer.
4075 *
4076 * Return: None.
4077 *
4078 * Context:
4079 */
4080void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
4081    int do_login)
4082{
4083	if (IS_QLAFX00(vha->hw)) {
4084		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4085		qla2x00_schedule_rport_del(vha, fcport);
4086		return;
4087	}
4088
4089	if (atomic_read(&fcport->state) == FCS_ONLINE &&
4090	    vha->vp_idx == fcport->vha->vp_idx) {
4091		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4092		qla2x00_schedule_rport_del(vha, fcport);
4093	}
4094
4095	/*
4096	 * We may need to retry the login, so don't change the state of the
4097	 * port but do the retries.
4098	 */
4099	if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
4100		qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
4101
4102	if (!do_login)
4103		return;
4104
4105	set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4106}
4107
4108void
4109qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
4110{
4111	fc_port_t *fcport;
4112
4113	ql_dbg(ql_dbg_disc, vha, 0x20f1,
4114	    "Mark all dev lost\n");
4115
4116	list_for_each_entry(fcport, &vha->vp_fcports, list) {
4117		if (ql2xfc2target &&
4118		    fcport->loop_id != FC_NO_LOOP_ID &&
4119		    (fcport->flags & FCF_FCP2_DEVICE) &&
4120		    fcport->port_type == FCT_TARGET &&
4121		    !qla2x00_reset_active(vha)) {
4122			ql_dbg(ql_dbg_disc, vha, 0x211a,
4123			       "Delaying session delete for FCP2 flags 0x%x port_type = 0x%x port_id=%06x %phC",
4124			       fcport->flags, fcport->port_type,
4125			       fcport->d_id.b24, fcport->port_name);
4126			continue;
4127		}
4128		fcport->scan_state = 0;
4129		qlt_schedule_sess_for_deletion(fcport);
4130	}
4131}
4132
4133static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
4134{
4135	int i;
4136
4137	if (IS_FWI2_CAPABLE(ha))
4138		return;
4139
4140	for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
4141		set_bit(i, ha->loop_id_map);
4142	set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
4143	set_bit(BROADCAST, ha->loop_id_map);
4144}
4145
4146/*
4147* qla2x00_mem_alloc
4148*      Allocates adapter memory.
4149*
4150* Returns:
4151*      0  = success.
4152*      !0  = failure.
4153*/
4154static int
4155qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
4156	struct req_que **req, struct rsp_que **rsp)
4157{
4158	char	name[16];
4159	int rc;
4160
4161	if (QLA_TGT_MODE_ENABLED() || EDIF_CAP(ha)) {
4162		ha->vp_map = kcalloc(MAX_MULTI_ID_FABRIC, sizeof(struct qla_vp_map), GFP_KERNEL);
4163		if (!ha->vp_map)
4164			goto fail;
4165	}
4166
4167	ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
4168		&ha->init_cb_dma, GFP_KERNEL);
4169	if (!ha->init_cb)
4170		goto fail_free_vp_map;
4171
4172	rc = btree_init32(&ha->host_map);
4173	if (rc)
4174		goto fail_free_init_cb;
4175
4176	if (qlt_mem_alloc(ha) < 0)
4177		goto fail_free_btree;
4178
4179	ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
4180		qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
4181	if (!ha->gid_list)
4182		goto fail_free_tgt_mem;
4183
4184	ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
4185	if (!ha->srb_mempool)
4186		goto fail_free_gid_list;
4187
4188	if (IS_P3P_TYPE(ha) || IS_QLA27XX(ha) || (ql2xsecenable && IS_QLA28XX(ha))) {
4189		/* Allocate cache for CT6 Ctx. */
4190		if (!ctx_cachep) {
4191			ctx_cachep = kmem_cache_create("qla2xxx_ctx",
4192				sizeof(struct ct6_dsd), 0,
4193				SLAB_HWCACHE_ALIGN, NULL);
4194			if (!ctx_cachep)
4195				goto fail_free_srb_mempool;
4196		}
4197		ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
4198			ctx_cachep);
4199		if (!ha->ctx_mempool)
4200			goto fail_free_srb_mempool;
4201		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
4202		    "ctx_cachep=%p ctx_mempool=%p.\n",
4203		    ctx_cachep, ha->ctx_mempool);
4204	}
4205
4206	/* Get memory for cached NVRAM */
4207	ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
4208	if (!ha->nvram)
4209		goto fail_free_ctx_mempool;
4210
4211	snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
4212		ha->pdev->device);
4213	ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4214		DMA_POOL_SIZE, 8, 0);
4215	if (!ha->s_dma_pool)
4216		goto fail_free_nvram;
4217
4218	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
4219	    "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
4220	    ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
4221
4222	if (IS_P3P_TYPE(ha) || ql2xenabledif || (IS_QLA28XX(ha) && ql2xsecenable)) {
4223		ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4224			DSD_LIST_DMA_POOL_SIZE, 8, 0);
4225		if (!ha->dl_dma_pool) {
4226			ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
4227			    "Failed to allocate memory for dl_dma_pool.\n");
4228			goto fail_s_dma_pool;
4229		}
4230
4231		ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4232			FCP_CMND_DMA_POOL_SIZE, 8, 0);
4233		if (!ha->fcp_cmnd_dma_pool) {
4234			ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
4235			    "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
4236			goto fail_dl_dma_pool;
4237		}
4238
4239		if (ql2xenabledif) {
4240			u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
4241			struct dsd_dma *dsd, *nxt;
4242			uint i;
4243			/* Creata a DMA pool of buffers for DIF bundling */
4244			ha->dif_bundl_pool = dma_pool_create(name,
4245			    &ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
4246			if (!ha->dif_bundl_pool) {
4247				ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4248				    "%s: failed create dif_bundl_pool\n",
4249				    __func__);
4250				goto fail_dif_bundl_dma_pool;
4251			}
4252
4253			INIT_LIST_HEAD(&ha->pool.good.head);
4254			INIT_LIST_HEAD(&ha->pool.unusable.head);
4255			ha->pool.good.count = 0;
4256			ha->pool.unusable.count = 0;
4257			for (i = 0; i < 128; i++) {
4258				dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
4259				if (!dsd) {
4260					ql_dbg_pci(ql_dbg_init, ha->pdev,
4261					    0xe0ee, "%s: failed alloc dsd\n",
4262					    __func__);
4263					return -ENOMEM;
4264				}
4265				ha->dif_bundle_kallocs++;
4266
4267				dsd->dsd_addr = dma_pool_alloc(
4268				    ha->dif_bundl_pool, GFP_ATOMIC,
4269				    &dsd->dsd_list_dma);
4270				if (!dsd->dsd_addr) {
4271					ql_dbg_pci(ql_dbg_init, ha->pdev,
4272					    0xe0ee,
4273					    "%s: failed alloc ->dsd_addr\n",
4274					    __func__);
4275					kfree(dsd);
4276					ha->dif_bundle_kallocs--;
4277					continue;
4278				}
4279				ha->dif_bundle_dma_allocs++;
4280
4281				/*
4282				 * if DMA buffer crosses 4G boundary,
4283				 * put it on bad list
4284				 */
4285				if (MSD(dsd->dsd_list_dma) ^
4286				    MSD(dsd->dsd_list_dma + bufsize)) {
4287					list_add_tail(&dsd->list,
4288					    &ha->pool.unusable.head);
4289					ha->pool.unusable.count++;
4290				} else {
4291					list_add_tail(&dsd->list,
4292					    &ha->pool.good.head);
4293					ha->pool.good.count++;
4294				}
4295			}
4296
4297			/* return the good ones back to the pool */
4298			list_for_each_entry_safe(dsd, nxt,
4299			    &ha->pool.good.head, list) {
4300				list_del(&dsd->list);
4301				dma_pool_free(ha->dif_bundl_pool,
4302				    dsd->dsd_addr, dsd->dsd_list_dma);
4303				ha->dif_bundle_dma_allocs--;
4304				kfree(dsd);
4305				ha->dif_bundle_kallocs--;
4306			}
4307
4308			ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
4309			    "%s: dif dma pool (good=%u unusable=%u)\n",
4310			    __func__, ha->pool.good.count,
4311			    ha->pool.unusable.count);
4312		}
4313
4314		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
4315		    "dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
4316		    ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
4317		    ha->dif_bundl_pool);
4318	}
4319
4320	/* Allocate memory for SNS commands */
4321	if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
4322	/* Get consistent memory allocated for SNS commands */
4323		ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
4324		sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
4325		if (!ha->sns_cmd)
4326			goto fail_dma_pool;
4327		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
4328		    "sns_cmd: %p.\n", ha->sns_cmd);
4329	} else {
4330	/* Get consistent memory allocated for MS IOCB */
4331		ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4332			&ha->ms_iocb_dma);
4333		if (!ha->ms_iocb)
4334			goto fail_dma_pool;
4335	/* Get consistent memory allocated for CT SNS commands */
4336		ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
4337			sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
4338		if (!ha->ct_sns)
4339			goto fail_free_ms_iocb;
4340		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
4341		    "ms_iocb=%p ct_sns=%p.\n",
4342		    ha->ms_iocb, ha->ct_sns);
4343	}
4344
4345	/* Allocate memory for request ring */
4346	*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
4347	if (!*req) {
4348		ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
4349		    "Failed to allocate memory for req.\n");
4350		goto fail_req;
4351	}
4352	(*req)->length = req_len;
4353	(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
4354		((*req)->length + 1) * sizeof(request_t),
4355		&(*req)->dma, GFP_KERNEL);
4356	if (!(*req)->ring) {
4357		ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
4358		    "Failed to allocate memory for req_ring.\n");
4359		goto fail_req_ring;
4360	}
4361	/* Allocate memory for response ring */
4362	*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
4363	if (!*rsp) {
4364		ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
4365		    "Failed to allocate memory for rsp.\n");
4366		goto fail_rsp;
4367	}
4368	(*rsp)->hw = ha;
4369	(*rsp)->length = rsp_len;
4370	(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
4371		((*rsp)->length + 1) * sizeof(response_t),
4372		&(*rsp)->dma, GFP_KERNEL);
4373	if (!(*rsp)->ring) {
4374		ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
4375		    "Failed to allocate memory for rsp_ring.\n");
4376		goto fail_rsp_ring;
4377	}
4378	(*req)->rsp = *rsp;
4379	(*rsp)->req = *req;
4380	ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
4381	    "req=%p req->length=%d req->ring=%p rsp=%p "
4382	    "rsp->length=%d rsp->ring=%p.\n",
4383	    *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
4384	    (*rsp)->ring);
4385	/* Allocate memory for NVRAM data for vports */
4386	if (ha->nvram_npiv_size) {
4387		ha->npiv_info = kcalloc(ha->nvram_npiv_size,
4388					sizeof(struct qla_npiv_entry),
4389					GFP_KERNEL);
4390		if (!ha->npiv_info) {
4391			ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
4392			    "Failed to allocate memory for npiv_info.\n");
4393			goto fail_npiv_info;
4394		}
4395	} else
4396		ha->npiv_info = NULL;
4397
4398	/* Get consistent memory allocated for EX-INIT-CB. */
4399	if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
4400	    IS_QLA28XX(ha)) {
4401		ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4402		    &ha->ex_init_cb_dma);
4403		if (!ha->ex_init_cb)
4404			goto fail_ex_init_cb;
4405		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
4406		    "ex_init_cb=%p.\n", ha->ex_init_cb);
4407	}
4408
4409	/* Get consistent memory allocated for Special Features-CB. */
4410	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
4411		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
4412						&ha->sf_init_cb_dma);
4413		if (!ha->sf_init_cb)
4414			goto fail_sf_init_cb;
4415		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
4416			   "sf_init_cb=%p.\n", ha->sf_init_cb);
4417	}
4418
4419
4420	/* Get consistent memory allocated for Async Port-Database. */
4421	if (!IS_FWI2_CAPABLE(ha)) {
4422		ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
4423			&ha->async_pd_dma);
4424		if (!ha->async_pd)
4425			goto fail_async_pd;
4426		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
4427		    "async_pd=%p.\n", ha->async_pd);
4428	}
4429
4430	INIT_LIST_HEAD(&ha->vp_list);
4431
4432	/* Allocate memory for our loop_id bitmap */
4433	ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
4434				  sizeof(long),
4435				  GFP_KERNEL);
4436	if (!ha->loop_id_map)
4437		goto fail_loop_id_map;
4438	else {
4439		qla2x00_set_reserved_loop_ids(ha);
4440		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
4441		    "loop_id_map=%p.\n", ha->loop_id_map);
4442	}
4443
4444	ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
4445	    SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
4446	if (!ha->sfp_data) {
4447		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4448		    "Unable to allocate memory for SFP read-data.\n");
4449		goto fail_sfp_data;
4450	}
4451
4452	ha->flt = dma_alloc_coherent(&ha->pdev->dev,
4453	    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
4454	    GFP_KERNEL);
4455	if (!ha->flt) {
4456		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4457		    "Unable to allocate memory for FLT.\n");
4458		goto fail_flt_buffer;
4459	}
4460
4461	/* allocate the purex dma pool */
4462	ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
4463	    ELS_MAX_PAYLOAD, 8, 0);
4464
4465	if (!ha->purex_dma_pool) {
4466		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
4467		    "Unable to allocate purex_dma_pool.\n");
4468		goto fail_flt;
4469	}
4470
4471	ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16;
4472	ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev,
4473					  ha->elsrej.size,
4474					  &ha->elsrej.cdma,
4475					  GFP_KERNEL);
4476	if (!ha->elsrej.c) {
4477		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4478		    "Alloc failed for els reject cmd.\n");
4479		goto fail_elsrej;
4480	}
4481	ha->elsrej.c->er_cmd = ELS_LS_RJT;
4482	ha->elsrej.c->er_reason = ELS_RJT_LOGIC;
4483	ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA;
4484
4485	ha->lsrjt.size = sizeof(struct fcnvme_ls_rjt);
4486	ha->lsrjt.c = dma_alloc_coherent(&ha->pdev->dev, ha->lsrjt.size,
4487			&ha->lsrjt.cdma, GFP_KERNEL);
4488	if (!ha->lsrjt.c) {
4489		ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
4490			   "Alloc failed for nvme fc reject cmd.\n");
4491		goto fail_lsrjt;
4492	}
4493
4494	return 0;
4495
4496fail_lsrjt:
4497	dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
4498			  ha->elsrej.c, ha->elsrej.cdma);
4499fail_elsrej:
4500	dma_pool_destroy(ha->purex_dma_pool);
4501fail_flt:
4502	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4503	    ha->flt, ha->flt_dma);
4504
4505fail_flt_buffer:
4506	dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
4507	    ha->sfp_data, ha->sfp_data_dma);
4508fail_sfp_data:
4509	kfree(ha->loop_id_map);
4510fail_loop_id_map:
4511	dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4512fail_async_pd:
4513	dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
4514fail_sf_init_cb:
4515	dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
4516fail_ex_init_cb:
4517	kfree(ha->npiv_info);
4518fail_npiv_info:
4519	dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
4520		sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
4521	(*rsp)->ring = NULL;
4522	(*rsp)->dma = 0;
4523fail_rsp_ring:
4524	kfree(*rsp);
4525	*rsp = NULL;
4526fail_rsp:
4527	dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
4528		sizeof(request_t), (*req)->ring, (*req)->dma);
4529	(*req)->ring = NULL;
4530	(*req)->dma = 0;
4531fail_req_ring:
4532	kfree(*req);
4533	*req = NULL;
4534fail_req:
4535	dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4536		ha->ct_sns, ha->ct_sns_dma);
4537	ha->ct_sns = NULL;
4538	ha->ct_sns_dma = 0;
4539fail_free_ms_iocb:
4540	dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4541	ha->ms_iocb = NULL;
4542	ha->ms_iocb_dma = 0;
4543
4544	if (ha->sns_cmd)
4545		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4546		    ha->sns_cmd, ha->sns_cmd_dma);
4547fail_dma_pool:
4548	if (ql2xenabledif) {
4549		struct dsd_dma *dsd, *nxt;
4550
4551		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4552		    list) {
4553			list_del(&dsd->list);
4554			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4555			    dsd->dsd_list_dma);
4556			ha->dif_bundle_dma_allocs--;
4557			kfree(dsd);
4558			ha->dif_bundle_kallocs--;
4559			ha->pool.unusable.count--;
4560		}
4561		dma_pool_destroy(ha->dif_bundl_pool);
4562		ha->dif_bundl_pool = NULL;
4563	}
4564
4565fail_dif_bundl_dma_pool:
4566	if (IS_QLA82XX(ha) || ql2xenabledif) {
4567		dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4568		ha->fcp_cmnd_dma_pool = NULL;
4569	}
4570fail_dl_dma_pool:
4571	if (IS_QLA82XX(ha) || ql2xenabledif) {
4572		dma_pool_destroy(ha->dl_dma_pool);
4573		ha->dl_dma_pool = NULL;
4574	}
4575fail_s_dma_pool:
4576	dma_pool_destroy(ha->s_dma_pool);
4577	ha->s_dma_pool = NULL;
4578fail_free_nvram:
4579	kfree(ha->nvram);
4580	ha->nvram = NULL;
4581fail_free_ctx_mempool:
4582	mempool_destroy(ha->ctx_mempool);
4583	ha->ctx_mempool = NULL;
4584fail_free_srb_mempool:
4585	mempool_destroy(ha->srb_mempool);
4586	ha->srb_mempool = NULL;
4587fail_free_gid_list:
4588	dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4589	ha->gid_list,
4590	ha->gid_list_dma);
4591	ha->gid_list = NULL;
4592	ha->gid_list_dma = 0;
4593fail_free_tgt_mem:
4594	qlt_mem_free(ha);
4595fail_free_btree:
4596	btree_destroy32(&ha->host_map);
4597fail_free_init_cb:
4598	dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
4599	ha->init_cb_dma);
4600	ha->init_cb = NULL;
4601	ha->init_cb_dma = 0;
4602fail_free_vp_map:
4603	kfree(ha->vp_map);
4604fail:
4605	ql_log(ql_log_fatal, NULL, 0x0030,
4606	    "Memory allocation failure.\n");
4607	return -ENOMEM;
4608}
4609
4610int
4611qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
4612{
4613	int rval;
4614	uint16_t	size, max_cnt;
4615	uint32_t temp;
4616	struct qla_hw_data *ha = vha->hw;
4617
4618	/* Return if we don't need to alloacate any extended logins */
4619	if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
4620		return QLA_SUCCESS;
4621
4622	if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
4623		return QLA_SUCCESS;
4624
4625	ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
4626	max_cnt = 0;
4627	rval = qla_get_exlogin_status(vha, &size, &max_cnt);
4628	if (rval != QLA_SUCCESS) {
4629		ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
4630		    "Failed to get exlogin status.\n");
4631		return rval;
4632	}
4633
4634	temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
4635	temp *= size;
4636
4637	if (temp != ha->exlogin_size) {
4638		qla2x00_free_exlogin_buffer(ha);
4639		ha->exlogin_size = temp;
4640
4641		ql_log(ql_log_info, vha, 0xd024,
4642		    "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
4643		    max_cnt, size, temp);
4644
4645		ql_log(ql_log_info, vha, 0xd025,
4646		    "EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
4647
4648		/* Get consistent memory for extended logins */
4649		ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
4650			ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
4651		if (!ha->exlogin_buf) {
4652			ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
4653		    "Failed to allocate memory for exlogin_buf_dma.\n");
4654			return -ENOMEM;
4655		}
4656	}
4657
4658	/* Now configure the dma buffer */
4659	rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
4660	if (rval) {
4661		ql_log(ql_log_fatal, vha, 0xd033,
4662		    "Setup extended login buffer  ****FAILED****.\n");
4663		qla2x00_free_exlogin_buffer(ha);
4664	}
4665
4666	return rval;
4667}
4668
4669/*
4670* qla2x00_free_exlogin_buffer
4671*
4672* Input:
4673*	ha = adapter block pointer
4674*/
4675void
4676qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
4677{
4678	if (ha->exlogin_buf) {
4679		dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
4680		    ha->exlogin_buf, ha->exlogin_buf_dma);
4681		ha->exlogin_buf = NULL;
4682		ha->exlogin_size = 0;
4683	}
4684}
4685
4686static void
4687qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
4688{
4689	u32 temp;
4690	struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
4691	*ret_cnt = FW_DEF_EXCHANGES_CNT;
4692
4693	if (max_cnt > vha->hw->max_exchg)
4694		max_cnt = vha->hw->max_exchg;
4695
4696	if (qla_ini_mode_enabled(vha)) {
4697		if (vha->ql2xiniexchg > max_cnt)
4698			vha->ql2xiniexchg = max_cnt;
4699
4700		if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
4701			*ret_cnt = vha->ql2xiniexchg;
4702
4703	} else if (qla_tgt_mode_enabled(vha)) {
4704		if (vha->ql2xexchoffld > max_cnt) {
4705			vha->ql2xexchoffld = max_cnt;
4706			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4707		}
4708
4709		if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
4710			*ret_cnt = vha->ql2xexchoffld;
4711	} else if (qla_dual_mode_enabled(vha)) {
4712		temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
4713		if (temp > max_cnt) {
4714			vha->ql2xiniexchg -= (temp - max_cnt)/2;
4715			vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
4716			temp = max_cnt;
4717			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4718		}
4719
4720		if (temp > FW_DEF_EXCHANGES_CNT)
4721			*ret_cnt = temp;
4722	}
4723}
4724
4725int
4726qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
4727{
4728	int rval;
4729	u16	size, max_cnt;
4730	u32 actual_cnt, totsz;
4731	struct qla_hw_data *ha = vha->hw;
4732
4733	if (!ha->flags.exchoffld_enabled)
4734		return QLA_SUCCESS;
4735
4736	if (!IS_EXCHG_OFFLD_CAPABLE(ha))
4737		return QLA_SUCCESS;
4738
4739	max_cnt = 0;
4740	rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
4741	if (rval != QLA_SUCCESS) {
4742		ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
4743		    "Failed to get exlogin status.\n");
4744		return rval;
4745	}
4746
4747	qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
4748	ql_log(ql_log_info, vha, 0xd014,
4749	    "Actual exchange offload count: %d.\n", actual_cnt);
4750
4751	totsz = actual_cnt * size;
4752
4753	if (totsz != ha->exchoffld_size) {
4754		qla2x00_free_exchoffld_buffer(ha);
4755		if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
4756			ha->exchoffld_size = 0;
4757			ha->flags.exchoffld_enabled = 0;
4758			return QLA_SUCCESS;
4759		}
4760
4761		ha->exchoffld_size = totsz;
4762
4763		ql_log(ql_log_info, vha, 0xd016,
4764		    "Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
4765		    max_cnt, actual_cnt, size, totsz);
4766
4767		ql_log(ql_log_info, vha, 0xd017,
4768		    "Exchange Buffers requested size = 0x%x\n",
4769		    ha->exchoffld_size);
4770
4771		/* Get consistent memory for extended logins */
4772		ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
4773			ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
4774		if (!ha->exchoffld_buf) {
4775			ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4776			"Failed to allocate memory for Exchange Offload.\n");
4777
4778			if (ha->max_exchg >
4779			    (FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
4780				ha->max_exchg -= REDUCE_EXCHANGES_CNT;
4781			} else if (ha->max_exchg >
4782			    (FW_DEF_EXCHANGES_CNT + 512)) {
4783				ha->max_exchg -= 512;
4784			} else {
4785				ha->flags.exchoffld_enabled = 0;
4786				ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
4787				    "Disabling Exchange offload due to lack of memory\n");
4788			}
4789			ha->exchoffld_size = 0;
4790
4791			return -ENOMEM;
4792		}
4793	} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
4794		/* pathological case */
4795		qla2x00_free_exchoffld_buffer(ha);
4796		ha->exchoffld_size = 0;
4797		ha->flags.exchoffld_enabled = 0;
4798		ql_log(ql_log_info, vha, 0xd016,
4799		    "Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
4800		    ha->exchoffld_size, actual_cnt, size, totsz);
4801		return 0;
4802	}
4803
4804	/* Now configure the dma buffer */
4805	rval = qla_set_exchoffld_mem_cfg(vha);
4806	if (rval) {
4807		ql_log(ql_log_fatal, vha, 0xd02e,
4808		    "Setup exchange offload buffer ****FAILED****.\n");
4809		qla2x00_free_exchoffld_buffer(ha);
4810	} else {
4811		/* re-adjust number of target exchange */
4812		struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
4813
4814		if (qla_ini_mode_enabled(vha))
4815			icb->exchange_count = 0;
4816		else
4817			icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
4818	}
4819
4820	return rval;
4821}
4822
4823/*
4824* qla2x00_free_exchoffld_buffer
4825*
4826* Input:
4827*	ha = adapter block pointer
4828*/
4829void
4830qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
4831{
4832	if (ha->exchoffld_buf) {
4833		dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
4834		    ha->exchoffld_buf, ha->exchoffld_buf_dma);
4835		ha->exchoffld_buf = NULL;
4836		ha->exchoffld_size = 0;
4837	}
4838}
4839
4840/*
4841* qla2x00_free_fw_dump
4842*	Frees fw dump stuff.
4843*
4844* Input:
4845*	ha = adapter block pointer
4846*/
4847static void
4848qla2x00_free_fw_dump(struct qla_hw_data *ha)
4849{
4850	struct fwdt *fwdt = ha->fwdt;
4851	uint j;
4852
4853	if (ha->fce)
4854		dma_free_coherent(&ha->pdev->dev,
4855		    FCE_SIZE, ha->fce, ha->fce_dma);
4856
4857	if (ha->eft)
4858		dma_free_coherent(&ha->pdev->dev,
4859		    EFT_SIZE, ha->eft, ha->eft_dma);
4860
4861	vfree(ha->fw_dump);
4862
4863	ha->fce = NULL;
4864	ha->fce_dma = 0;
4865	ha->flags.fce_enabled = 0;
4866	ha->eft = NULL;
4867	ha->eft_dma = 0;
4868	ha->fw_dumped = false;
4869	ha->fw_dump_cap_flags = 0;
4870	ha->fw_dump_reading = 0;
4871	ha->fw_dump = NULL;
4872	ha->fw_dump_len = 0;
4873
4874	for (j = 0; j < 2; j++, fwdt++) {
4875		vfree(fwdt->template);
4876		fwdt->template = NULL;
4877		fwdt->length = 0;
4878	}
4879}
4880
4881/*
4882* qla2x00_mem_free
4883*      Frees all adapter allocated memory.
4884*
4885* Input:
4886*      ha = adapter block pointer.
4887*/
4888static void
4889qla2x00_mem_free(struct qla_hw_data *ha)
4890{
4891	qla2x00_free_fw_dump(ha);
4892
4893	if (ha->mctp_dump)
4894		dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
4895		    ha->mctp_dump_dma);
4896	ha->mctp_dump = NULL;
4897
4898	mempool_destroy(ha->srb_mempool);
4899	ha->srb_mempool = NULL;
4900
4901	if (ha->dcbx_tlv)
4902		dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
4903		    ha->dcbx_tlv, ha->dcbx_tlv_dma);
4904	ha->dcbx_tlv = NULL;
4905
4906	if (ha->xgmac_data)
4907		dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
4908		    ha->xgmac_data, ha->xgmac_data_dma);
4909	ha->xgmac_data = NULL;
4910
4911	if (ha->sns_cmd)
4912		dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
4913		ha->sns_cmd, ha->sns_cmd_dma);
4914	ha->sns_cmd = NULL;
4915	ha->sns_cmd_dma = 0;
4916
4917	if (ha->ct_sns)
4918		dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
4919		ha->ct_sns, ha->ct_sns_dma);
4920	ha->ct_sns = NULL;
4921	ha->ct_sns_dma = 0;
4922
4923	if (ha->sfp_data)
4924		dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
4925		    ha->sfp_data_dma);
4926	ha->sfp_data = NULL;
4927
4928	if (ha->flt)
4929		dma_free_coherent(&ha->pdev->dev,
4930		    sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
4931		    ha->flt, ha->flt_dma);
4932	ha->flt = NULL;
4933	ha->flt_dma = 0;
4934
4935	if (ha->ms_iocb)
4936		dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
4937	ha->ms_iocb = NULL;
4938	ha->ms_iocb_dma = 0;
4939
4940	if (ha->sf_init_cb)
4941		dma_pool_free(ha->s_dma_pool,
4942			      ha->sf_init_cb, ha->sf_init_cb_dma);
4943
4944	if (ha->ex_init_cb)
4945		dma_pool_free(ha->s_dma_pool,
4946			ha->ex_init_cb, ha->ex_init_cb_dma);
4947	ha->ex_init_cb = NULL;
4948	ha->ex_init_cb_dma = 0;
4949
4950	if (ha->async_pd)
4951		dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
4952	ha->async_pd = NULL;
4953	ha->async_pd_dma = 0;
4954
4955	dma_pool_destroy(ha->s_dma_pool);
4956	ha->s_dma_pool = NULL;
4957
4958	if (ha->gid_list)
4959		dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
4960		ha->gid_list, ha->gid_list_dma);
4961	ha->gid_list = NULL;
4962	ha->gid_list_dma = 0;
4963
4964	if (ha->base_qpair && !list_empty(&ha->base_qpair->dsd_list)) {
4965		struct dsd_dma *dsd_ptr, *tdsd_ptr;
4966
4967		/* clean up allocated prev pool */
4968		list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
4969					 &ha->base_qpair->dsd_list, list) {
4970			dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
4971				      dsd_ptr->dsd_list_dma);
4972			list_del(&dsd_ptr->list);
4973			kfree(dsd_ptr);
4974		}
4975	}
4976
4977	dma_pool_destroy(ha->dl_dma_pool);
4978	ha->dl_dma_pool = NULL;
4979
4980	dma_pool_destroy(ha->fcp_cmnd_dma_pool);
4981	ha->fcp_cmnd_dma_pool = NULL;
4982
4983	mempool_destroy(ha->ctx_mempool);
4984	ha->ctx_mempool = NULL;
4985
4986	if (ql2xenabledif && ha->dif_bundl_pool) {
4987		struct dsd_dma *dsd, *nxt;
4988
4989		list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
4990					 list) {
4991			list_del(&dsd->list);
4992			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
4993				      dsd->dsd_list_dma);
4994			ha->dif_bundle_dma_allocs--;
4995			kfree(dsd);
4996			ha->dif_bundle_kallocs--;
4997			ha->pool.unusable.count--;
4998		}
4999		list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
5000			list_del(&dsd->list);
5001			dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
5002				      dsd->dsd_list_dma);
5003			ha->dif_bundle_dma_allocs--;
5004			kfree(dsd);
5005			ha->dif_bundle_kallocs--;
5006		}
5007	}
5008
5009	dma_pool_destroy(ha->dif_bundl_pool);
5010	ha->dif_bundl_pool = NULL;
5011
5012	qlt_mem_free(ha);
5013	qla_remove_hostmap(ha);
5014
5015	if (ha->init_cb)
5016		dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
5017			ha->init_cb, ha->init_cb_dma);
5018
5019	dma_pool_destroy(ha->purex_dma_pool);
5020	ha->purex_dma_pool = NULL;
5021
5022	if (ha->elsrej.c) {
5023		dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
5024		    ha->elsrej.c, ha->elsrej.cdma);
5025		ha->elsrej.c = NULL;
5026	}
5027
5028	if (ha->lsrjt.c) {
5029		dma_free_coherent(&ha->pdev->dev, ha->lsrjt.size, ha->lsrjt.c,
5030				  ha->lsrjt.cdma);
5031		ha->lsrjt.c = NULL;
5032	}
5033
5034	ha->init_cb = NULL;
5035	ha->init_cb_dma = 0;
5036
5037	vfree(ha->optrom_buffer);
5038	ha->optrom_buffer = NULL;
5039	kfree(ha->nvram);
5040	ha->nvram = NULL;
5041	kfree(ha->npiv_info);
5042	ha->npiv_info = NULL;
5043	kfree(ha->swl);
5044	ha->swl = NULL;
5045	kfree(ha->loop_id_map);
5046	ha->sf_init_cb = NULL;
5047	ha->sf_init_cb_dma = 0;
5048	ha->loop_id_map = NULL;
5049
5050	kfree(ha->vp_map);
5051	ha->vp_map = NULL;
5052}
5053
5054struct scsi_qla_host *qla2x00_create_host(const struct scsi_host_template *sht,
5055					  struct qla_hw_data *ha)
5056{
5057	struct Scsi_Host *host;
5058	struct scsi_qla_host *vha = NULL;
5059
5060	host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
5061	if (!host) {
5062		ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
5063		    "Failed to allocate host from the scsi layer, aborting.\n");
5064		return NULL;
5065	}
5066
5067	/* Clear our data area */
5068	vha = shost_priv(host);
5069	memset(vha, 0, sizeof(scsi_qla_host_t));
5070
5071	vha->host = host;
5072	vha->host_no = host->host_no;
5073	vha->hw = ha;
5074
5075	vha->qlini_mode = ql2x_ini_mode;
5076	vha->ql2xexchoffld = ql2xexchoffld;
5077	vha->ql2xiniexchg = ql2xiniexchg;
5078
5079	INIT_LIST_HEAD(&vha->vp_fcports);
5080	INIT_LIST_HEAD(&vha->work_list);
5081	INIT_LIST_HEAD(&vha->list);
5082	INIT_LIST_HEAD(&vha->qla_cmd_list);
5083	INIT_LIST_HEAD(&vha->logo_list);
5084	INIT_LIST_HEAD(&vha->plogi_ack_list);
5085	INIT_LIST_HEAD(&vha->qp_list);
5086	INIT_LIST_HEAD(&vha->gnl.fcports);
5087	INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
5088
5089	INIT_LIST_HEAD(&vha->purex_list.head);
5090	spin_lock_init(&vha->purex_list.lock);
5091
5092	spin_lock_init(&vha->work_lock);
5093	spin_lock_init(&vha->cmd_list_lock);
5094	init_waitqueue_head(&vha->fcport_waitQ);
5095	init_waitqueue_head(&vha->vref_waitq);
5096	qla_enode_init(vha);
5097	qla_edb_init(vha);
5098
5099
5100	vha->gnl.size = sizeof(struct get_name_list_extended) *
5101			(ha->max_loop_id + 1);
5102	vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
5103	    vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
5104	if (!vha->gnl.l) {
5105		ql_log(ql_log_fatal, vha, 0xd04a,
5106		    "Alloc failed for name list.\n");
5107		scsi_host_put(vha->host);
5108		return NULL;
5109	}
5110
5111	/* todo: what about ext login? */
5112	vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
5113	vha->scan.l = vmalloc(vha->scan.size);
5114	if (!vha->scan.l) {
5115		ql_log(ql_log_fatal, vha, 0xd04a,
5116		    "Alloc failed for scan database.\n");
5117		dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
5118		    vha->gnl.l, vha->gnl.ldma);
5119		vha->gnl.l = NULL;
5120		scsi_host_put(vha->host);
5121		return NULL;
5122	}
5123	INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
5124
5125	snprintf(vha->host_str, sizeof(vha->host_str), "%s_%lu",
5126		 QLA2XXX_DRIVER_NAME, vha->host_no);
5127	ql_dbg(ql_dbg_init, vha, 0x0041,
5128	    "Allocated the host=%p hw=%p vha=%p dev_name=%s",
5129	    vha->host, vha->hw, vha,
5130	    dev_name(&(ha->pdev->dev)));
5131
5132	return vha;
5133}
5134
5135struct qla_work_evt *
5136qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
5137{
5138	struct qla_work_evt *e;
5139
5140	if (test_bit(UNLOADING, &vha->dpc_flags))
5141		return NULL;
5142
5143	if (qla_vha_mark_busy(vha))
5144		return NULL;
5145
5146	e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
5147	if (!e) {
5148		QLA_VHA_MARK_NOT_BUSY(vha);
5149		return NULL;
5150	}
5151
5152	INIT_LIST_HEAD(&e->list);
5153	e->type = type;
5154	e->flags = QLA_EVT_FLAG_FREE;
5155	return e;
5156}
5157
5158int
5159qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
5160{
5161	unsigned long flags;
5162	bool q = false;
5163
5164	spin_lock_irqsave(&vha->work_lock, flags);
5165	list_add_tail(&e->list, &vha->work_list);
5166
5167	if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
5168		q = true;
5169
5170	spin_unlock_irqrestore(&vha->work_lock, flags);
5171
5172	if (q)
5173		queue_work(vha->hw->wq, &vha->iocb_work);
5174
5175	return QLA_SUCCESS;
5176}
5177
5178int
5179qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
5180    u32 data)
5181{
5182	struct qla_work_evt *e;
5183
5184	e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
5185	if (!e)
5186		return QLA_FUNCTION_FAILED;
5187
5188	e->u.aen.code = code;
5189	e->u.aen.data = data;
5190	return qla2x00_post_work(vha, e);
5191}
5192
5193int
5194qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
5195{
5196	struct qla_work_evt *e;
5197
5198	e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
5199	if (!e)
5200		return QLA_FUNCTION_FAILED;
5201
5202	memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
5203	return qla2x00_post_work(vha, e);
5204}
5205
5206#define qla2x00_post_async_work(name, type)	\
5207int qla2x00_post_async_##name##_work(		\
5208    struct scsi_qla_host *vha,			\
5209    fc_port_t *fcport, uint16_t *data)		\
5210{						\
5211	struct qla_work_evt *e;			\
5212						\
5213	e = qla2x00_alloc_work(vha, type);	\
5214	if (!e)					\
5215		return QLA_FUNCTION_FAILED;	\
5216						\
5217	e->u.logio.fcport = fcport;		\
5218	if (data) {				\
5219		e->u.logio.data[0] = data[0];	\
5220		e->u.logio.data[1] = data[1];	\
5221	}					\
5222	fcport->flags |= FCF_ASYNC_ACTIVE;	\
5223	return qla2x00_post_work(vha, e);	\
5224}
5225
5226qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
5227qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
5228qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
5229qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
5230qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
5231
5232int
5233qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
5234{
5235	struct qla_work_evt *e;
5236
5237	e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
5238	if (!e)
5239		return QLA_FUNCTION_FAILED;
5240
5241	e->u.uevent.code = code;
5242	return qla2x00_post_work(vha, e);
5243}
5244
5245static void
5246qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
5247{
5248	char event_string[40];
5249	char *envp[] = { event_string, NULL };
5250
5251	switch (code) {
5252	case QLA_UEVENT_CODE_FW_DUMP:
5253		snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
5254		    vha->host_no);
5255		break;
5256	default:
5257		/* do nothing */
5258		break;
5259	}
5260	kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
5261}
5262
5263int
5264qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
5265			uint32_t *data, int cnt)
5266{
5267	struct qla_work_evt *e;
5268
5269	e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
5270	if (!e)
5271		return QLA_FUNCTION_FAILED;
5272
5273	e->u.aenfx.evtcode = evtcode;
5274	e->u.aenfx.count = cnt;
5275	memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
5276	return qla2x00_post_work(vha, e);
5277}
5278
5279void qla24xx_sched_upd_fcport(fc_port_t *fcport)
5280{
5281	unsigned long flags;
5282
5283	if (IS_SW_RESV_ADDR(fcport->d_id))
5284		return;
5285
5286	spin_lock_irqsave(&fcport->vha->work_lock, flags);
5287	if (fcport->disc_state == DSC_UPD_FCPORT) {
5288		spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5289		return;
5290	}
5291	fcport->jiffies_at_registration = jiffies;
5292	fcport->sec_since_registration = 0;
5293	fcport->next_disc_state = DSC_DELETED;
5294	qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
5295	spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
5296
5297	queue_work(system_unbound_wq, &fcport->reg_work);
5298}
5299
5300static
5301void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
5302{
5303	unsigned long flags;
5304	fc_port_t *fcport =  NULL, *tfcp;
5305	struct qlt_plogi_ack_t *pla =
5306	    (struct qlt_plogi_ack_t *)e->u.new_sess.pla;
5307	uint8_t free_fcport = 0;
5308
5309	ql_dbg(ql_dbg_disc, vha, 0xffff,
5310	    "%s %d %8phC enter\n",
5311	    __func__, __LINE__, e->u.new_sess.port_name);
5312
5313	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5314	fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
5315	if (fcport) {
5316		fcport->d_id = e->u.new_sess.id;
5317		if (pla) {
5318			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5319			memcpy(fcport->node_name,
5320			    pla->iocb.u.isp24.u.plogi.node_name,
5321			    WWN_SIZE);
5322			qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
5323			/* we took an extra ref_count to prevent PLOGI ACK when
5324			 * fcport/sess has not been created.
5325			 */
5326			pla->ref_count--;
5327		}
5328	} else {
5329		spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5330		fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
5331		if (fcport) {
5332			fcport->d_id = e->u.new_sess.id;
5333			fcport->flags |= FCF_FABRIC_DEVICE;
5334			fcport->fw_login_state = DSC_LS_PLOGI_PEND;
5335			fcport->tgt_short_link_down_cnt = 0;
5336
5337			memcpy(fcport->port_name, e->u.new_sess.port_name,
5338			    WWN_SIZE);
5339
5340			fcport->fc4_type = e->u.new_sess.fc4_type;
5341			if (NVME_PRIORITY(vha->hw, fcport))
5342				fcport->do_prli_nvme = 1;
5343			else
5344				fcport->do_prli_nvme = 0;
5345
5346			if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
5347				fcport->dm_login_expire = jiffies +
5348					QLA_N2N_WAIT_TIME * HZ;
5349				fcport->fc4_type = FS_FC4TYPE_FCP;
5350				fcport->n2n_flag = 1;
5351				if (vha->flags.nvme_enabled)
5352					fcport->fc4_type |= FS_FC4TYPE_NVME;
5353			}
5354
5355		} else {
5356			ql_dbg(ql_dbg_disc, vha, 0xffff,
5357				   "%s %8phC mem alloc fail.\n",
5358				   __func__, e->u.new_sess.port_name);
5359
5360			if (pla) {
5361				list_del(&pla->list);
5362				kmem_cache_free(qla_tgt_plogi_cachep, pla);
5363			}
5364			return;
5365		}
5366
5367		spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5368		/* search again to make sure no one else got ahead */
5369		tfcp = qla2x00_find_fcport_by_wwpn(vha,
5370		    e->u.new_sess.port_name, 1);
5371		if (tfcp) {
5372			/* should rarily happen */
5373			ql_dbg(ql_dbg_disc, vha, 0xffff,
5374			    "%s %8phC found existing fcport b4 add. DS %d LS %d\n",
5375			    __func__, tfcp->port_name, tfcp->disc_state,
5376			    tfcp->fw_login_state);
5377
5378			free_fcport = 1;
5379		} else {
5380			list_add_tail(&fcport->list, &vha->vp_fcports);
5381
5382		}
5383		if (pla) {
5384			qlt_plogi_ack_link(vha, pla, fcport,
5385			    QLT_PLOGI_LINK_SAME_WWN);
5386			pla->ref_count--;
5387		}
5388	}
5389	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5390
5391	if (fcport) {
5392		fcport->id_changed = 1;
5393		fcport->scan_state = QLA_FCPORT_FOUND;
5394		fcport->chip_reset = vha->hw->base_qpair->chip_reset;
5395		memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
5396
5397		if (pla) {
5398			if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
5399				u16 wd3_lo;
5400
5401				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5402				fcport->local = 0;
5403				fcport->loop_id =
5404					le16_to_cpu(
5405					    pla->iocb.u.isp24.nport_handle);
5406				fcport->fw_login_state = DSC_LS_PRLI_PEND;
5407				wd3_lo =
5408				    le16_to_cpu(
5409					pla->iocb.u.isp24.u.prli.wd3_lo);
5410
5411				if (wd3_lo & BIT_7)
5412					fcport->conf_compl_supported = 1;
5413
5414				if ((wd3_lo & BIT_4) == 0)
5415					fcport->port_type = FCT_INITIATOR;
5416				else
5417					fcport->port_type = FCT_TARGET;
5418			}
5419			qlt_plogi_ack_unref(vha, pla);
5420		} else {
5421			fc_port_t *dfcp = NULL;
5422
5423			spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
5424			tfcp = qla2x00_find_fcport_by_nportid(vha,
5425			    &e->u.new_sess.id, 1);
5426			if (tfcp && (tfcp != fcport)) {
5427				/*
5428				 * We have a conflict fcport with same NportID.
5429				 */
5430				ql_dbg(ql_dbg_disc, vha, 0xffff,
5431				    "%s %8phC found conflict b4 add. DS %d LS %d\n",
5432				    __func__, tfcp->port_name, tfcp->disc_state,
5433				    tfcp->fw_login_state);
5434
5435				switch (tfcp->disc_state) {
5436				case DSC_DELETED:
5437					break;
5438				case DSC_DELETE_PEND:
5439					fcport->login_pause = 1;
5440					tfcp->conflict = fcport;
5441					break;
5442				default:
5443					fcport->login_pause = 1;
5444					tfcp->conflict = fcport;
5445					dfcp = tfcp;
5446					break;
5447				}
5448			}
5449			spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
5450			if (dfcp)
5451				qlt_schedule_sess_for_deletion(tfcp);
5452
5453			if (N2N_TOPO(vha->hw)) {
5454				fcport->flags &= ~FCF_FABRIC_DEVICE;
5455				fcport->keep_nport_handle = 1;
5456				if (vha->flags.nvme_enabled) {
5457					fcport->fc4_type =
5458					    (FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
5459					fcport->n2n_flag = 1;
5460				}
5461				fcport->fw_login_state = 0;
5462
5463				schedule_delayed_work(&vha->scan.scan_work, 5);
5464			} else {
5465				qla24xx_fcport_handle_login(vha, fcport);
5466			}
5467		}
5468	}
5469
5470	if (free_fcport) {
5471		qla2x00_free_fcport(fcport);
5472		if (pla) {
5473			list_del(&pla->list);
5474			kmem_cache_free(qla_tgt_plogi_cachep, pla);
5475		}
5476	}
5477}
5478
5479static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
5480{
5481	struct srb *sp = e->u.iosb.sp;
5482	int rval;
5483
5484	rval = qla2x00_start_sp(sp);
5485	if (rval != QLA_SUCCESS) {
5486		ql_dbg(ql_dbg_disc, vha, 0x2043,
5487		    "%s: %s: Re-issue IOCB failed (%d).\n",
5488		    __func__, sp->name, rval);
5489		qla24xx_sp_unmap(vha, sp);
5490	}
5491}
5492
5493void
5494qla2x00_do_work(struct scsi_qla_host *vha)
5495{
5496	struct qla_work_evt *e, *tmp;
5497	unsigned long flags;
5498	LIST_HEAD(work);
5499	int rc;
5500
5501	spin_lock_irqsave(&vha->work_lock, flags);
5502	list_splice_init(&vha->work_list, &work);
5503	spin_unlock_irqrestore(&vha->work_lock, flags);
5504
5505	list_for_each_entry_safe(e, tmp, &work, list) {
5506		rc = QLA_SUCCESS;
5507		switch (e->type) {
5508		case QLA_EVT_AEN:
5509			fc_host_post_event(vha->host, fc_get_event_number(),
5510			    e->u.aen.code, e->u.aen.data);
5511			break;
5512		case QLA_EVT_IDC_ACK:
5513			qla81xx_idc_ack(vha, e->u.idc_ack.mb);
5514			break;
5515		case QLA_EVT_ASYNC_LOGIN:
5516			qla2x00_async_login(vha, e->u.logio.fcport,
5517			    e->u.logio.data);
5518			break;
5519		case QLA_EVT_ASYNC_LOGOUT:
5520			rc = qla2x00_async_logout(vha, e->u.logio.fcport);
5521			break;
5522		case QLA_EVT_ASYNC_ADISC:
5523			qla2x00_async_adisc(vha, e->u.logio.fcport,
5524			    e->u.logio.data);
5525			break;
5526		case QLA_EVT_UEVENT:
5527			qla2x00_uevent_emit(vha, e->u.uevent.code);
5528			break;
5529		case QLA_EVT_AENFX:
5530			qlafx00_process_aen(vha, e);
5531			break;
5532		case QLA_EVT_UNMAP:
5533			qla24xx_sp_unmap(vha, e->u.iosb.sp);
5534			break;
5535		case QLA_EVT_RELOGIN:
5536			qla2x00_relogin(vha);
5537			break;
5538		case QLA_EVT_NEW_SESS:
5539			qla24xx_create_new_sess(vha, e);
5540			break;
5541		case QLA_EVT_GPDB:
5542			qla24xx_async_gpdb(vha, e->u.fcport.fcport,
5543			    e->u.fcport.opt);
5544			break;
5545		case QLA_EVT_PRLI:
5546			qla24xx_async_prli(vha, e->u.fcport.fcport);
5547			break;
5548		case QLA_EVT_GPSC:
5549			qla24xx_async_gpsc(vha, e->u.fcport.fcport);
5550			break;
5551		case QLA_EVT_GNL:
5552			qla24xx_async_gnl(vha, e->u.fcport.fcport);
5553			break;
5554		case QLA_EVT_NACK:
5555			qla24xx_do_nack_work(vha, e);
5556			break;
5557		case QLA_EVT_ASYNC_PRLO:
5558			rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
5559			break;
5560		case QLA_EVT_ASYNC_PRLO_DONE:
5561			qla2x00_async_prlo_done(vha, e->u.logio.fcport,
5562			    e->u.logio.data);
5563			break;
5564		case QLA_EVT_GPNFT:
5565			qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
5566			    e->u.gpnft.sp);
5567			break;
5568		case QLA_EVT_GPNFT_DONE:
5569			qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
5570			break;
5571		case QLA_EVT_GNNFT_DONE:
5572			qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
5573			break;
5574		case QLA_EVT_GFPNID:
5575			qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
5576			break;
5577		case QLA_EVT_SP_RETRY:
5578			qla_sp_retry(vha, e);
5579			break;
5580		case QLA_EVT_IIDMA:
5581			qla_do_iidma_work(vha, e->u.fcport.fcport);
5582			break;
5583		case QLA_EVT_ELS_PLOGI:
5584			qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
5585			    e->u.fcport.fcport, false);
5586			break;
5587		case QLA_EVT_SA_REPLACE:
5588			rc = qla24xx_issue_sa_replace_iocb(vha, e);
5589			break;
5590		}
5591
5592		if (rc == EAGAIN) {
5593			/* put 'work' at head of 'vha->work_list' */
5594			spin_lock_irqsave(&vha->work_lock, flags);
5595			list_splice(&work, &vha->work_list);
5596			spin_unlock_irqrestore(&vha->work_lock, flags);
5597			break;
5598		}
5599		list_del_init(&e->list);
5600		if (e->flags & QLA_EVT_FLAG_FREE)
5601			kfree(e);
5602
5603		/* For each work completed decrement vha ref count */
5604		QLA_VHA_MARK_NOT_BUSY(vha);
5605	}
5606}
5607
5608int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
5609{
5610	struct qla_work_evt *e;
5611
5612	e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
5613
5614	if (!e) {
5615		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5616		return QLA_FUNCTION_FAILED;
5617	}
5618
5619	return qla2x00_post_work(vha, e);
5620}
5621
5622/* Relogins all the fcports of a vport
5623 * Context: dpc thread
5624 */
5625void qla2x00_relogin(struct scsi_qla_host *vha)
5626{
5627	fc_port_t       *fcport;
5628	int status, relogin_needed = 0;
5629	struct event_arg ea;
5630
5631	list_for_each_entry(fcport, &vha->vp_fcports, list) {
5632		/*
5633		 * If the port is not ONLINE then try to login
5634		 * to it if we haven't run out of retries.
5635		 */
5636		if (atomic_read(&fcport->state) != FCS_ONLINE &&
5637		    fcport->login_retry) {
5638			if (fcport->scan_state != QLA_FCPORT_FOUND ||
5639			    fcport->disc_state == DSC_LOGIN_AUTH_PEND ||
5640			    fcport->disc_state == DSC_LOGIN_COMPLETE)
5641				continue;
5642
5643			if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
5644				fcport->disc_state == DSC_DELETE_PEND) {
5645				relogin_needed = 1;
5646			} else {
5647				if (vha->hw->current_topology != ISP_CFG_NL) {
5648					memset(&ea, 0, sizeof(ea));
5649					ea.fcport = fcport;
5650					qla24xx_handle_relogin_event(vha, &ea);
5651				} else if (vha->hw->current_topology ==
5652					 ISP_CFG_NL &&
5653					IS_QLA2XXX_MIDTYPE(vha->hw)) {
5654					(void)qla24xx_fcport_handle_login(vha,
5655									fcport);
5656				} else if (vha->hw->current_topology ==
5657				    ISP_CFG_NL) {
5658					fcport->login_retry--;
5659					status =
5660					    qla2x00_local_device_login(vha,
5661						fcport);
5662					if (status == QLA_SUCCESS) {
5663						fcport->old_loop_id =
5664						    fcport->loop_id;
5665						ql_dbg(ql_dbg_disc, vha, 0x2003,
5666						    "Port login OK: logged in ID 0x%x.\n",
5667						    fcport->loop_id);
5668						qla2x00_update_fcport
5669							(vha, fcport);
5670					} else if (status == 1) {
5671						set_bit(RELOGIN_NEEDED,
5672						    &vha->dpc_flags);
5673						/* retry the login again */
5674						ql_dbg(ql_dbg_disc, vha, 0x2007,
5675						    "Retrying %d login again loop_id 0x%x.\n",
5676						    fcport->login_retry,
5677						    fcport->loop_id);
5678					} else {
5679						fcport->login_retry = 0;
5680					}
5681
5682					if (fcport->login_retry == 0 &&
5683					    status != QLA_SUCCESS)
5684						qla2x00_clear_loop_id(fcport);
5685				}
5686			}
5687		}
5688		if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
5689			break;
5690	}
5691
5692	if (relogin_needed)
5693		set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
5694
5695	ql_dbg(ql_dbg_disc, vha, 0x400e,
5696	    "Relogin end.\n");
5697}
5698
5699/* Schedule work on any of the dpc-workqueues */
5700void
5701qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
5702{
5703	struct qla_hw_data *ha = base_vha->hw;
5704
5705	switch (work_code) {
5706	case MBA_IDC_AEN: /* 0x8200 */
5707		if (ha->dpc_lp_wq)
5708			queue_work(ha->dpc_lp_wq, &ha->idc_aen);
5709		break;
5710
5711	case QLA83XX_NIC_CORE_RESET: /* 0x1 */
5712		if (!ha->flags.nic_core_reset_hdlr_active) {
5713			if (ha->dpc_hp_wq)
5714				queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
5715		} else
5716			ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
5717			    "NIC Core reset is already active. Skip "
5718			    "scheduling it again.\n");
5719		break;
5720	case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
5721		if (ha->dpc_hp_wq)
5722			queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
5723		break;
5724	case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
5725		if (ha->dpc_hp_wq)
5726			queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
5727		break;
5728	default:
5729		ql_log(ql_log_warn, base_vha, 0xb05f,
5730		    "Unknown work-code=0x%x.\n", work_code);
5731	}
5732
5733	return;
5734}
5735
5736/* Work: Perform NIC Core Unrecoverable state handling */
5737void
5738qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
5739{
5740	struct qla_hw_data *ha =
5741		container_of(work, struct qla_hw_data, nic_core_unrecoverable);
5742	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5743	uint32_t dev_state = 0;
5744
5745	qla83xx_idc_lock(base_vha, 0);
5746	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5747	qla83xx_reset_ownership(base_vha);
5748	if (ha->flags.nic_core_reset_owner) {
5749		ha->flags.nic_core_reset_owner = 0;
5750		qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5751		    QLA8XXX_DEV_FAILED);
5752		ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
5753		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5754	}
5755	qla83xx_idc_unlock(base_vha, 0);
5756}
5757
5758/* Work: Execute IDC state handler */
5759void
5760qla83xx_idc_state_handler_work(struct work_struct *work)
5761{
5762	struct qla_hw_data *ha =
5763		container_of(work, struct qla_hw_data, idc_state_handler);
5764	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5765	uint32_t dev_state = 0;
5766
5767	qla83xx_idc_lock(base_vha, 0);
5768	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5769	if (dev_state == QLA8XXX_DEV_FAILED ||
5770			dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
5771		qla83xx_idc_state_handler(base_vha);
5772	qla83xx_idc_unlock(base_vha, 0);
5773}
5774
5775static int
5776qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
5777{
5778	int rval = QLA_SUCCESS;
5779	unsigned long heart_beat_wait = jiffies + (1 * HZ);
5780	uint32_t heart_beat_counter1, heart_beat_counter2;
5781
5782	do {
5783		if (time_after(jiffies, heart_beat_wait)) {
5784			ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
5785			    "Nic Core f/w is not alive.\n");
5786			rval = QLA_FUNCTION_FAILED;
5787			break;
5788		}
5789
5790		qla83xx_idc_lock(base_vha, 0);
5791		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5792		    &heart_beat_counter1);
5793		qla83xx_idc_unlock(base_vha, 0);
5794		msleep(100);
5795		qla83xx_idc_lock(base_vha, 0);
5796		qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
5797		    &heart_beat_counter2);
5798		qla83xx_idc_unlock(base_vha, 0);
5799	} while (heart_beat_counter1 == heart_beat_counter2);
5800
5801	return rval;
5802}
5803
5804/* Work: Perform NIC Core Reset handling */
5805void
5806qla83xx_nic_core_reset_work(struct work_struct *work)
5807{
5808	struct qla_hw_data *ha =
5809		container_of(work, struct qla_hw_data, nic_core_reset);
5810	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5811	uint32_t dev_state = 0;
5812
5813	if (IS_QLA2031(ha)) {
5814		if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
5815			ql_log(ql_log_warn, base_vha, 0xb081,
5816			    "Failed to dump mctp\n");
5817		return;
5818	}
5819
5820	if (!ha->flags.nic_core_reset_hdlr_active) {
5821		if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
5822			qla83xx_idc_lock(base_vha, 0);
5823			qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
5824			    &dev_state);
5825			qla83xx_idc_unlock(base_vha, 0);
5826			if (dev_state != QLA8XXX_DEV_NEED_RESET) {
5827				ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
5828				    "Nic Core f/w is alive.\n");
5829				return;
5830			}
5831		}
5832
5833		ha->flags.nic_core_reset_hdlr_active = 1;
5834		if (qla83xx_nic_core_reset(base_vha)) {
5835			/* NIC Core reset failed. */
5836			ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
5837			    "NIC Core reset failed.\n");
5838		}
5839		ha->flags.nic_core_reset_hdlr_active = 0;
5840	}
5841}
5842
5843/* Work: Handle 8200 IDC aens */
5844void
5845qla83xx_service_idc_aen(struct work_struct *work)
5846{
5847	struct qla_hw_data *ha =
5848		container_of(work, struct qla_hw_data, idc_aen);
5849	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5850	uint32_t dev_state, idc_control;
5851
5852	qla83xx_idc_lock(base_vha, 0);
5853	qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
5854	qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
5855	qla83xx_idc_unlock(base_vha, 0);
5856	if (dev_state == QLA8XXX_DEV_NEED_RESET) {
5857		if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
5858			ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
5859			    "Application requested NIC Core Reset.\n");
5860			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5861		} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
5862		    QLA_SUCCESS) {
5863			ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
5864			    "Other protocol driver requested NIC Core Reset.\n");
5865			qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
5866		}
5867	} else if (dev_state == QLA8XXX_DEV_FAILED ||
5868			dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
5869		qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
5870	}
5871}
5872
5873/*
5874 * Control the frequency of IDC lock retries
5875 */
5876#define QLA83XX_WAIT_LOGIC_MS	100
5877
5878static int
5879qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
5880{
5881	int rval;
5882	uint32_t data;
5883	uint32_t idc_lck_rcvry_stage_mask = 0x3;
5884	uint32_t idc_lck_rcvry_owner_mask = 0x3c;
5885	struct qla_hw_data *ha = base_vha->hw;
5886
5887	ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
5888	    "Trying force recovery of the IDC lock.\n");
5889
5890	rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
5891	if (rval)
5892		return rval;
5893
5894	if ((data & idc_lck_rcvry_stage_mask) > 0) {
5895		return QLA_SUCCESS;
5896	} else {
5897		data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
5898		rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5899		    data);
5900		if (rval)
5901			return rval;
5902
5903		msleep(200);
5904
5905		rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
5906		    &data);
5907		if (rval)
5908			return rval;
5909
5910		if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
5911			data &= (IDC_LOCK_RECOVERY_STAGE2 |
5912					~(idc_lck_rcvry_stage_mask));
5913			rval = qla83xx_wr_reg(base_vha,
5914			    QLA83XX_IDC_LOCK_RECOVERY, data);
5915			if (rval)
5916				return rval;
5917
5918			/* Forcefully perform IDC UnLock */
5919			rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
5920			    &data);
5921			if (rval)
5922				return rval;
5923			/* Clear lock-id by setting 0xff */
5924			rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5925			    0xff);
5926			if (rval)
5927				return rval;
5928			/* Clear lock-recovery by setting 0x0 */
5929			rval = qla83xx_wr_reg(base_vha,
5930			    QLA83XX_IDC_LOCK_RECOVERY, 0x0);
5931			if (rval)
5932				return rval;
5933		} else
5934			return QLA_SUCCESS;
5935	}
5936
5937	return rval;
5938}
5939
5940static int
5941qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
5942{
5943	int rval = QLA_SUCCESS;
5944	uint32_t o_drv_lockid, n_drv_lockid;
5945	unsigned long lock_recovery_timeout;
5946
5947	lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
5948retry_lockid:
5949	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
5950	if (rval)
5951		goto exit;
5952
5953	/* MAX wait time before forcing IDC Lock recovery = 2 secs */
5954	if (time_after_eq(jiffies, lock_recovery_timeout)) {
5955		if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
5956			return QLA_SUCCESS;
5957		else
5958			return QLA_FUNCTION_FAILED;
5959	}
5960
5961	rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
5962	if (rval)
5963		goto exit;
5964
5965	if (o_drv_lockid == n_drv_lockid) {
5966		msleep(QLA83XX_WAIT_LOGIC_MS);
5967		goto retry_lockid;
5968	} else
5969		return QLA_SUCCESS;
5970
5971exit:
5972	return rval;
5973}
5974
5975/*
5976 * Context: task, can sleep
5977 */
5978void
5979qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
5980{
5981	uint32_t data;
5982	uint32_t lock_owner;
5983	struct qla_hw_data *ha = base_vha->hw;
5984
5985	might_sleep();
5986
5987	/* IDC-lock implementation using driver-lock/lock-id remote registers */
5988retry_lock:
5989	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
5990	    == QLA_SUCCESS) {
5991		if (data) {
5992			/* Setting lock-id to our function-number */
5993			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5994			    ha->portnum);
5995		} else {
5996			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
5997			    &lock_owner);
5998			ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
5999			    "Failed to acquire IDC lock, acquired by %d, "
6000			    "retrying...\n", lock_owner);
6001
6002			/* Retry/Perform IDC-Lock recovery */
6003			if (qla83xx_idc_lock_recovery(base_vha)
6004			    == QLA_SUCCESS) {
6005				msleep(QLA83XX_WAIT_LOGIC_MS);
6006				goto retry_lock;
6007			} else
6008				ql_log(ql_log_warn, base_vha, 0xb075,
6009				    "IDC Lock recovery FAILED.\n");
6010		}
6011
6012	}
6013
6014	return;
6015}
6016
6017static bool
6018qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
6019	struct purex_entry_24xx *purex)
6020{
6021	char fwstr[16];
6022	u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
6023	struct port_database_24xx *pdb;
6024
6025	/* Domain Controller is always logged-out. */
6026	/* if RDP request is not from Domain Controller: */
6027	if (sid != 0xfffc01)
6028		return false;
6029
6030	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
6031
6032	pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
6033	if (!pdb) {
6034		ql_dbg(ql_dbg_init, vha, 0x0181,
6035		    "%s: Failed allocate pdb\n", __func__);
6036	} else if (qla24xx_get_port_database(vha,
6037				le16_to_cpu(purex->nport_handle), pdb)) {
6038		ql_dbg(ql_dbg_init, vha, 0x0181,
6039		    "%s: Failed get pdb sid=%x\n", __func__, sid);
6040	} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
6041	    pdb->current_login_state != PDS_PRLI_COMPLETE) {
6042		ql_dbg(ql_dbg_init, vha, 0x0181,
6043		    "%s: Port not logged in sid=%#x\n", __func__, sid);
6044	} else {
6045		/* RDP request is from logged in port */
6046		kfree(pdb);
6047		return false;
6048	}
6049	kfree(pdb);
6050
6051	vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
6052	fwstr[strcspn(fwstr, " ")] = 0;
6053	/* if FW version allows RDP response length upto 2048 bytes: */
6054	if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
6055		return false;
6056
6057	ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
6058
6059	/* RDP response length is to be reduced to maximum 256 bytes */
6060	return true;
6061}
6062
6063/*
6064 * Function Name: qla24xx_process_purex_iocb
6065 *
6066 * Description:
6067 * Prepare a RDP response and send to Fabric switch
6068 *
6069 * PARAMETERS:
6070 * vha:	SCSI qla host
6071 * purex: RDP request received by HBA
6072 */
6073void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
6074			       struct purex_item *item)
6075{
6076	struct qla_hw_data *ha = vha->hw;
6077	struct purex_entry_24xx *purex =
6078	    (struct purex_entry_24xx *)&item->iocb;
6079	dma_addr_t rsp_els_dma;
6080	dma_addr_t rsp_payload_dma;
6081	dma_addr_t stat_dma;
6082	dma_addr_t sfp_dma;
6083	struct els_entry_24xx *rsp_els = NULL;
6084	struct rdp_rsp_payload *rsp_payload = NULL;
6085	struct link_statistics *stat = NULL;
6086	uint8_t *sfp = NULL;
6087	uint16_t sfp_flags = 0;
6088	uint rsp_payload_length = sizeof(*rsp_payload);
6089	int rval;
6090
6091	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
6092	    "%s: Enter\n", __func__);
6093
6094	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
6095	    "-------- ELS REQ -------\n");
6096	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
6097	    purex, sizeof(*purex));
6098
6099	if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
6100		rsp_payload_length =
6101		    offsetof(typeof(*rsp_payload), optical_elmt_desc);
6102		ql_dbg(ql_dbg_init, vha, 0x0181,
6103		    "Reducing RSP payload length to %u bytes...\n",
6104		    rsp_payload_length);
6105	}
6106
6107	rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6108	    &rsp_els_dma, GFP_KERNEL);
6109	if (!rsp_els) {
6110		ql_log(ql_log_warn, vha, 0x0183,
6111		    "Failed allocate dma buffer ELS RSP.\n");
6112		goto dealloc;
6113	}
6114
6115	rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6116	    &rsp_payload_dma, GFP_KERNEL);
6117	if (!rsp_payload) {
6118		ql_log(ql_log_warn, vha, 0x0184,
6119		    "Failed allocate dma buffer ELS RSP payload.\n");
6120		goto dealloc;
6121	}
6122
6123	sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6124	    &sfp_dma, GFP_KERNEL);
6125
6126	stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
6127	    &stat_dma, GFP_KERNEL);
6128
6129	/* Prepare Response IOCB */
6130	rsp_els->entry_type = ELS_IOCB_TYPE;
6131	rsp_els->entry_count = 1;
6132	rsp_els->sys_define = 0;
6133	rsp_els->entry_status = 0;
6134	rsp_els->handle = 0;
6135	rsp_els->nport_handle = purex->nport_handle;
6136	rsp_els->tx_dsd_count = cpu_to_le16(1);
6137	rsp_els->vp_index = purex->vp_idx;
6138	rsp_els->sof_type = EST_SOFI3;
6139	rsp_els->rx_xchg_address = purex->rx_xchg_addr;
6140	rsp_els->rx_dsd_count = 0;
6141	rsp_els->opcode = purex->els_frame_payload[0];
6142
6143	rsp_els->d_id[0] = purex->s_id[0];
6144	rsp_els->d_id[1] = purex->s_id[1];
6145	rsp_els->d_id[2] = purex->s_id[2];
6146
6147	rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
6148	rsp_els->rx_byte_count = 0;
6149	rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
6150
6151	put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
6152	rsp_els->tx_len = rsp_els->tx_byte_count;
6153
6154	rsp_els->rx_address = 0;
6155	rsp_els->rx_len = 0;
6156
6157	/* Prepare Response Payload */
6158	rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
6159	rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
6160					   sizeof(rsp_payload->hdr));
6161
6162	/* Link service Request Info Descriptor */
6163	rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
6164	rsp_payload->ls_req_info_desc.desc_len =
6165	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
6166	rsp_payload->ls_req_info_desc.req_payload_word_0 =
6167	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6168
6169	/* Link service Request Info Descriptor 2 */
6170	rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
6171	rsp_payload->ls_req_info_desc2.desc_len =
6172	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
6173	rsp_payload->ls_req_info_desc2.req_payload_word_0 =
6174	    cpu_to_be32p((uint32_t *)purex->els_frame_payload);
6175
6176
6177	rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
6178	rsp_payload->sfp_diag_desc.desc_len =
6179		cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
6180
6181	if (sfp) {
6182		/* SFP Flags */
6183		memset(sfp, 0, SFP_RTDI_LEN);
6184		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
6185		if (!rval) {
6186			/* SFP Flags bits 3-0: Port Tx Laser Type */
6187			if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
6188				sfp_flags |= BIT_0; /* short wave */
6189			else if (sfp[0] & BIT_1)
6190				sfp_flags |= BIT_1; /* long wave 1310nm */
6191			else if (sfp[1] & BIT_4)
6192				sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
6193		}
6194
6195		/* SFP Type */
6196		memset(sfp, 0, SFP_RTDI_LEN);
6197		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
6198		if (!rval) {
6199			sfp_flags |= BIT_4; /* optical */
6200			if (sfp[0] == 0x3)
6201				sfp_flags |= BIT_6; /* sfp+ */
6202		}
6203
6204		rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
6205
6206		/* SFP Diagnostics */
6207		memset(sfp, 0, SFP_RTDI_LEN);
6208		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
6209		if (!rval) {
6210			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6211			rsp_payload->sfp_diag_desc.temperature = trx[0];
6212			rsp_payload->sfp_diag_desc.vcc = trx[1];
6213			rsp_payload->sfp_diag_desc.tx_bias = trx[2];
6214			rsp_payload->sfp_diag_desc.tx_power = trx[3];
6215			rsp_payload->sfp_diag_desc.rx_power = trx[4];
6216		}
6217	}
6218
6219	/* Port Speed Descriptor */
6220	rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
6221	rsp_payload->port_speed_desc.desc_len =
6222	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
6223	rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
6224	    qla25xx_fdmi_port_speed_capability(ha));
6225	rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
6226	    qla25xx_fdmi_port_speed_currently(ha));
6227
6228	/* Link Error Status Descriptor */
6229	rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
6230	rsp_payload->ls_err_desc.desc_len =
6231		cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
6232
6233	if (stat) {
6234		rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
6235		if (!rval) {
6236			rsp_payload->ls_err_desc.link_fail_cnt =
6237			    cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
6238			rsp_payload->ls_err_desc.loss_sync_cnt =
6239			    cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
6240			rsp_payload->ls_err_desc.loss_sig_cnt =
6241			    cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
6242			rsp_payload->ls_err_desc.prim_seq_err_cnt =
6243			    cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
6244			rsp_payload->ls_err_desc.inval_xmit_word_cnt =
6245			    cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
6246			rsp_payload->ls_err_desc.inval_crc_cnt =
6247			    cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
6248			rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
6249		}
6250	}
6251
6252	/* Portname Descriptor */
6253	rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
6254	rsp_payload->port_name_diag_desc.desc_len =
6255	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
6256	memcpy(rsp_payload->port_name_diag_desc.WWNN,
6257	    vha->node_name,
6258	    sizeof(rsp_payload->port_name_diag_desc.WWNN));
6259	memcpy(rsp_payload->port_name_diag_desc.WWPN,
6260	    vha->port_name,
6261	    sizeof(rsp_payload->port_name_diag_desc.WWPN));
6262
6263	/* F-Port Portname Descriptor */
6264	rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
6265	rsp_payload->port_name_direct_desc.desc_len =
6266	    cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
6267	memcpy(rsp_payload->port_name_direct_desc.WWNN,
6268	    vha->fabric_node_name,
6269	    sizeof(rsp_payload->port_name_direct_desc.WWNN));
6270	memcpy(rsp_payload->port_name_direct_desc.WWPN,
6271	    vha->fabric_port_name,
6272	    sizeof(rsp_payload->port_name_direct_desc.WWPN));
6273
6274	/* Bufer Credit Descriptor */
6275	rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
6276	rsp_payload->buffer_credit_desc.desc_len =
6277		cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
6278	rsp_payload->buffer_credit_desc.fcport_b2b = 0;
6279	rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
6280	rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
6281
6282	if (ha->flags.plogi_template_valid) {
6283		uint32_t tmp =
6284		be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
6285		rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
6286	}
6287
6288	if (rsp_payload_length < sizeof(*rsp_payload))
6289		goto send;
6290
6291	/* Optical Element Descriptor, Temperature */
6292	rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
6293	rsp_payload->optical_elmt_desc[0].desc_len =
6294		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6295	/* Optical Element Descriptor, Voltage */
6296	rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
6297	rsp_payload->optical_elmt_desc[1].desc_len =
6298		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6299	/* Optical Element Descriptor, Tx Bias Current */
6300	rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
6301	rsp_payload->optical_elmt_desc[2].desc_len =
6302		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6303	/* Optical Element Descriptor, Tx Power */
6304	rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
6305	rsp_payload->optical_elmt_desc[3].desc_len =
6306		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6307	/* Optical Element Descriptor, Rx Power */
6308	rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
6309	rsp_payload->optical_elmt_desc[4].desc_len =
6310		cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
6311
6312	if (sfp) {
6313		memset(sfp, 0, SFP_RTDI_LEN);
6314		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
6315		if (!rval) {
6316			__be16 *trx = (__force __be16 *)sfp; /* already be16 */
6317
6318			/* Optical Element Descriptor, Temperature */
6319			rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
6320			rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
6321			rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
6322			rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
6323			rsp_payload->optical_elmt_desc[0].element_flags =
6324			    cpu_to_be32(1 << 28);
6325
6326			/* Optical Element Descriptor, Voltage */
6327			rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
6328			rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
6329			rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
6330			rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
6331			rsp_payload->optical_elmt_desc[1].element_flags =
6332			    cpu_to_be32(2 << 28);
6333
6334			/* Optical Element Descriptor, Tx Bias Current */
6335			rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
6336			rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
6337			rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
6338			rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
6339			rsp_payload->optical_elmt_desc[2].element_flags =
6340			    cpu_to_be32(3 << 28);
6341
6342			/* Optical Element Descriptor, Tx Power */
6343			rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
6344			rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
6345			rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
6346			rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
6347			rsp_payload->optical_elmt_desc[3].element_flags =
6348			    cpu_to_be32(4 << 28);
6349
6350			/* Optical Element Descriptor, Rx Power */
6351			rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
6352			rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
6353			rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
6354			rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
6355			rsp_payload->optical_elmt_desc[4].element_flags =
6356			    cpu_to_be32(5 << 28);
6357		}
6358
6359		memset(sfp, 0, SFP_RTDI_LEN);
6360		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
6361		if (!rval) {
6362			/* Temperature high/low alarm/warning */
6363			rsp_payload->optical_elmt_desc[0].element_flags |=
6364			    cpu_to_be32(
6365				(sfp[0] >> 7 & 1) << 3 |
6366				(sfp[0] >> 6 & 1) << 2 |
6367				(sfp[4] >> 7 & 1) << 1 |
6368				(sfp[4] >> 6 & 1) << 0);
6369
6370			/* Voltage high/low alarm/warning */
6371			rsp_payload->optical_elmt_desc[1].element_flags |=
6372			    cpu_to_be32(
6373				(sfp[0] >> 5 & 1) << 3 |
6374				(sfp[0] >> 4 & 1) << 2 |
6375				(sfp[4] >> 5 & 1) << 1 |
6376				(sfp[4] >> 4 & 1) << 0);
6377
6378			/* Tx Bias Current high/low alarm/warning */
6379			rsp_payload->optical_elmt_desc[2].element_flags |=
6380			    cpu_to_be32(
6381				(sfp[0] >> 3 & 1) << 3 |
6382				(sfp[0] >> 2 & 1) << 2 |
6383				(sfp[4] >> 3 & 1) << 1 |
6384				(sfp[4] >> 2 & 1) << 0);
6385
6386			/* Tx Power high/low alarm/warning */
6387			rsp_payload->optical_elmt_desc[3].element_flags |=
6388			    cpu_to_be32(
6389				(sfp[0] >> 1 & 1) << 3 |
6390				(sfp[0] >> 0 & 1) << 2 |
6391				(sfp[4] >> 1 & 1) << 1 |
6392				(sfp[4] >> 0 & 1) << 0);
6393
6394			/* Rx Power high/low alarm/warning */
6395			rsp_payload->optical_elmt_desc[4].element_flags |=
6396			    cpu_to_be32(
6397				(sfp[1] >> 7 & 1) << 3 |
6398				(sfp[1] >> 6 & 1) << 2 |
6399				(sfp[5] >> 7 & 1) << 1 |
6400				(sfp[5] >> 6 & 1) << 0);
6401		}
6402	}
6403
6404	/* Optical Product Data Descriptor */
6405	rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
6406	rsp_payload->optical_prod_desc.desc_len =
6407		cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
6408
6409	if (sfp) {
6410		memset(sfp, 0, SFP_RTDI_LEN);
6411		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
6412		if (!rval) {
6413			memcpy(rsp_payload->optical_prod_desc.vendor_name,
6414			    sfp + 0,
6415			    sizeof(rsp_payload->optical_prod_desc.vendor_name));
6416			memcpy(rsp_payload->optical_prod_desc.part_number,
6417			    sfp + 20,
6418			    sizeof(rsp_payload->optical_prod_desc.part_number));
6419			memcpy(rsp_payload->optical_prod_desc.revision,
6420			    sfp + 36,
6421			    sizeof(rsp_payload->optical_prod_desc.revision));
6422			memcpy(rsp_payload->optical_prod_desc.serial_number,
6423			    sfp + 48,
6424			    sizeof(rsp_payload->optical_prod_desc.serial_number));
6425		}
6426
6427		memset(sfp, 0, SFP_RTDI_LEN);
6428		rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
6429		if (!rval) {
6430			memcpy(rsp_payload->optical_prod_desc.date,
6431			    sfp + 0,
6432			    sizeof(rsp_payload->optical_prod_desc.date));
6433		}
6434	}
6435
6436send:
6437	ql_dbg(ql_dbg_init, vha, 0x0183,
6438	    "Sending ELS Response to RDP Request...\n");
6439	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
6440	    "-------- ELS RSP -------\n");
6441	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
6442	    rsp_els, sizeof(*rsp_els));
6443	ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
6444	    "-------- ELS RSP PAYLOAD -------\n");
6445	ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
6446	    rsp_payload, rsp_payload_length);
6447
6448	rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
6449
6450	if (rval) {
6451		ql_log(ql_log_warn, vha, 0x0188,
6452		    "%s: iocb failed to execute -> %x\n", __func__, rval);
6453	} else if (rsp_els->comp_status) {
6454		ql_log(ql_log_warn, vha, 0x0189,
6455		    "%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
6456		    __func__, rsp_els->comp_status,
6457		    rsp_els->error_subcode_1, rsp_els->error_subcode_2);
6458	} else {
6459		ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
6460	}
6461
6462dealloc:
6463	if (stat)
6464		dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
6465		    stat, stat_dma);
6466	if (sfp)
6467		dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
6468		    sfp, sfp_dma);
6469	if (rsp_payload)
6470		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
6471		    rsp_payload, rsp_payload_dma);
6472	if (rsp_els)
6473		dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
6474		    rsp_els, rsp_els_dma);
6475}
6476
6477void
6478qla24xx_free_purex_item(struct purex_item *item)
6479{
6480	if (item == &item->vha->default_item)
6481		memset(&item->vha->default_item, 0, sizeof(struct purex_item));
6482	else
6483		kfree(item);
6484}
6485
6486void qla24xx_process_purex_list(struct purex_list *list)
6487{
6488	struct list_head head = LIST_HEAD_INIT(head);
6489	struct purex_item *item, *next;
6490	ulong flags;
6491
6492	spin_lock_irqsave(&list->lock, flags);
6493	list_splice_init(&list->head, &head);
6494	spin_unlock_irqrestore(&list->lock, flags);
6495
6496	list_for_each_entry_safe(item, next, &head, list) {
6497		list_del(&item->list);
6498		item->process_item(item->vha, item);
6499		qla24xx_free_purex_item(item);
6500	}
6501}
6502
6503/*
6504 * Context: task, can sleep
6505 */
6506void
6507qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
6508{
6509#if 0
6510	uint16_t options = (requester_id << 15) | BIT_7;
6511#endif
6512	uint16_t retry;
6513	uint32_t data;
6514	struct qla_hw_data *ha = base_vha->hw;
6515
6516	might_sleep();
6517
6518	/* IDC-unlock implementation using driver-unlock/lock-id
6519	 * remote registers
6520	 */
6521	retry = 0;
6522retry_unlock:
6523	if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
6524	    == QLA_SUCCESS) {
6525		if (data == ha->portnum) {
6526			qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
6527			/* Clearing lock-id by setting 0xff */
6528			qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
6529		} else if (retry < 10) {
6530			/* SV: XXX: IDC unlock retrying needed here? */
6531
6532			/* Retry for IDC-unlock */
6533			msleep(QLA83XX_WAIT_LOGIC_MS);
6534			retry++;
6535			ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
6536			    "Failed to release IDC lock, retrying=%d\n", retry);
6537			goto retry_unlock;
6538		}
6539	} else if (retry < 10) {
6540		/* Retry for IDC-unlock */
6541		msleep(QLA83XX_WAIT_LOGIC_MS);
6542		retry++;
6543		ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
6544		    "Failed to read drv-lockid, retrying=%d\n", retry);
6545		goto retry_unlock;
6546	}
6547
6548	return;
6549
6550#if 0
6551	/* XXX: IDC-unlock implementation using access-control mbx */
6552	retry = 0;
6553retry_unlock2:
6554	if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
6555		if (retry < 10) {
6556			/* Retry for IDC-unlock */
6557			msleep(QLA83XX_WAIT_LOGIC_MS);
6558			retry++;
6559			ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
6560			    "Failed to release IDC lock, retrying=%d\n", retry);
6561			goto retry_unlock2;
6562		}
6563	}
6564
6565	return;
6566#endif
6567}
6568
6569int
6570__qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6571{
6572	int rval = QLA_SUCCESS;
6573	struct qla_hw_data *ha = vha->hw;
6574	uint32_t drv_presence;
6575
6576	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6577	if (rval == QLA_SUCCESS) {
6578		drv_presence |= (1 << ha->portnum);
6579		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6580		    drv_presence);
6581	}
6582
6583	return rval;
6584}
6585
6586int
6587qla83xx_set_drv_presence(scsi_qla_host_t *vha)
6588{
6589	int rval = QLA_SUCCESS;
6590
6591	qla83xx_idc_lock(vha, 0);
6592	rval = __qla83xx_set_drv_presence(vha);
6593	qla83xx_idc_unlock(vha, 0);
6594
6595	return rval;
6596}
6597
6598int
6599__qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6600{
6601	int rval = QLA_SUCCESS;
6602	struct qla_hw_data *ha = vha->hw;
6603	uint32_t drv_presence;
6604
6605	rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6606	if (rval == QLA_SUCCESS) {
6607		drv_presence &= ~(1 << ha->portnum);
6608		rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6609		    drv_presence);
6610	}
6611
6612	return rval;
6613}
6614
6615int
6616qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
6617{
6618	int rval = QLA_SUCCESS;
6619
6620	qla83xx_idc_lock(vha, 0);
6621	rval = __qla83xx_clear_drv_presence(vha);
6622	qla83xx_idc_unlock(vha, 0);
6623
6624	return rval;
6625}
6626
6627static void
6628qla83xx_need_reset_handler(scsi_qla_host_t *vha)
6629{
6630	struct qla_hw_data *ha = vha->hw;
6631	uint32_t drv_ack, drv_presence;
6632	unsigned long ack_timeout;
6633
6634	/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
6635	ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
6636	while (1) {
6637		qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
6638		qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
6639		if ((drv_ack & drv_presence) == drv_presence)
6640			break;
6641
6642		if (time_after_eq(jiffies, ack_timeout)) {
6643			ql_log(ql_log_warn, vha, 0xb067,
6644			    "RESET ACK TIMEOUT! drv_presence=0x%x "
6645			    "drv_ack=0x%x\n", drv_presence, drv_ack);
6646			/*
6647			 * The function(s) which did not ack in time are forced
6648			 * to withdraw any further participation in the IDC
6649			 * reset.
6650			 */
6651			if (drv_ack != drv_presence)
6652				qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
6653				    drv_ack);
6654			break;
6655		}
6656
6657		qla83xx_idc_unlock(vha, 0);
6658		msleep(1000);
6659		qla83xx_idc_lock(vha, 0);
6660	}
6661
6662	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
6663	ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
6664}
6665
6666static int
6667qla83xx_device_bootstrap(scsi_qla_host_t *vha)
6668{
6669	int rval = QLA_SUCCESS;
6670	uint32_t idc_control;
6671
6672	qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
6673	ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
6674
6675	/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
6676	__qla83xx_get_idc_control(vha, &idc_control);
6677	idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
6678	__qla83xx_set_idc_control(vha, 0);
6679
6680	qla83xx_idc_unlock(vha, 0);
6681	rval = qla83xx_restart_nic_firmware(vha);
6682	qla83xx_idc_lock(vha, 0);
6683
6684	if (rval != QLA_SUCCESS) {
6685		ql_log(ql_log_fatal, vha, 0xb06a,
6686		    "Failed to restart NIC f/w.\n");
6687		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
6688		ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
6689	} else {
6690		ql_dbg(ql_dbg_p3p, vha, 0xb06c,
6691		    "Success in restarting nic f/w.\n");
6692		qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
6693		ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
6694	}
6695
6696	return rval;
6697}
6698
6699/* Assumes idc_lock always held on entry */
6700int
6701qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
6702{
6703	struct qla_hw_data *ha = base_vha->hw;
6704	int rval = QLA_SUCCESS;
6705	unsigned long dev_init_timeout;
6706	uint32_t dev_state;
6707
6708	/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
6709	dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
6710
6711	while (1) {
6712
6713		if (time_after_eq(jiffies, dev_init_timeout)) {
6714			ql_log(ql_log_warn, base_vha, 0xb06e,
6715			    "Initialization TIMEOUT!\n");
6716			/* Init timeout. Disable further NIC Core
6717			 * communication.
6718			 */
6719			qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
6720				QLA8XXX_DEV_FAILED);
6721			ql_log(ql_log_info, base_vha, 0xb06f,
6722			    "HW State: FAILED.\n");
6723		}
6724
6725		qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
6726		switch (dev_state) {
6727		case QLA8XXX_DEV_READY:
6728			if (ha->flags.nic_core_reset_owner)
6729				qla83xx_idc_audit(base_vha,
6730				    IDC_AUDIT_COMPLETION);
6731			ha->flags.nic_core_reset_owner = 0;
6732			ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
6733			    "Reset_owner reset by 0x%x.\n",
6734			    ha->portnum);
6735			goto exit;
6736		case QLA8XXX_DEV_COLD:
6737			if (ha->flags.nic_core_reset_owner)
6738				rval = qla83xx_device_bootstrap(base_vha);
6739			else {
6740			/* Wait for AEN to change device-state */
6741				qla83xx_idc_unlock(base_vha, 0);
6742				msleep(1000);
6743				qla83xx_idc_lock(base_vha, 0);
6744			}
6745			break;
6746		case QLA8XXX_DEV_INITIALIZING:
6747			/* Wait for AEN to change device-state */
6748			qla83xx_idc_unlock(base_vha, 0);
6749			msleep(1000);
6750			qla83xx_idc_lock(base_vha, 0);
6751			break;
6752		case QLA8XXX_DEV_NEED_RESET:
6753			if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
6754				qla83xx_need_reset_handler(base_vha);
6755			else {
6756				/* Wait for AEN to change device-state */
6757				qla83xx_idc_unlock(base_vha, 0);
6758				msleep(1000);
6759				qla83xx_idc_lock(base_vha, 0);
6760			}
6761			/* reset timeout value after need reset handler */
6762			dev_init_timeout = jiffies +
6763			    (ha->fcoe_dev_init_timeout * HZ);
6764			break;
6765		case QLA8XXX_DEV_NEED_QUIESCENT:
6766			/* XXX: DEBUG for now */
6767			qla83xx_idc_unlock(base_vha, 0);
6768			msleep(1000);
6769			qla83xx_idc_lock(base_vha, 0);
6770			break;
6771		case QLA8XXX_DEV_QUIESCENT:
6772			/* XXX: DEBUG for now */
6773			if (ha->flags.quiesce_owner)
6774				goto exit;
6775
6776			qla83xx_idc_unlock(base_vha, 0);
6777			msleep(1000);
6778			qla83xx_idc_lock(base_vha, 0);
6779			dev_init_timeout = jiffies +
6780			    (ha->fcoe_dev_init_timeout * HZ);
6781			break;
6782		case QLA8XXX_DEV_FAILED:
6783			if (ha->flags.nic_core_reset_owner)
6784				qla83xx_idc_audit(base_vha,
6785				    IDC_AUDIT_COMPLETION);
6786			ha->flags.nic_core_reset_owner = 0;
6787			__qla83xx_clear_drv_presence(base_vha);
6788			qla83xx_idc_unlock(base_vha, 0);
6789			qla8xxx_dev_failed_handler(base_vha);
6790			rval = QLA_FUNCTION_FAILED;
6791			qla83xx_idc_lock(base_vha, 0);
6792			goto exit;
6793		case QLA8XXX_BAD_VALUE:
6794			qla83xx_idc_unlock(base_vha, 0);
6795			msleep(1000);
6796			qla83xx_idc_lock(base_vha, 0);
6797			break;
6798		default:
6799			ql_log(ql_log_warn, base_vha, 0xb071,
6800			    "Unknown Device State: %x.\n", dev_state);
6801			qla83xx_idc_unlock(base_vha, 0);
6802			qla8xxx_dev_failed_handler(base_vha);
6803			rval = QLA_FUNCTION_FAILED;
6804			qla83xx_idc_lock(base_vha, 0);
6805			goto exit;
6806		}
6807	}
6808
6809exit:
6810	return rval;
6811}
6812
6813void
6814qla2x00_disable_board_on_pci_error(struct work_struct *work)
6815{
6816	struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
6817	    board_disable);
6818	struct pci_dev *pdev = ha->pdev;
6819	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
6820
6821	ql_log(ql_log_warn, base_vha, 0x015b,
6822	    "Disabling adapter.\n");
6823
6824	if (!atomic_read(&pdev->enable_cnt)) {
6825		ql_log(ql_log_info, base_vha, 0xfffc,
6826		    "PCI device disabled, no action req for PCI error=%lx\n",
6827		    base_vha->pci_flags);
6828		return;
6829	}
6830
6831	/*
6832	 * if UNLOADING flag is already set, then continue unload,
6833	 * where it was set first.
6834	 */
6835	if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
6836		return;
6837
6838	qla2x00_wait_for_sess_deletion(base_vha);
6839
6840	qla2x00_delete_all_vps(ha, base_vha);
6841
6842	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
6843
6844	qla2x00_dfs_remove(base_vha);
6845
6846	qla84xx_put_chip(base_vha);
6847
6848	if (base_vha->timer_active)
6849		qla2x00_stop_timer(base_vha);
6850
6851	base_vha->flags.online = 0;
6852
6853	qla2x00_destroy_deferred_work(ha);
6854
6855	/*
6856	 * Do not try to stop beacon blink as it will issue a mailbox
6857	 * command.
6858	 */
6859	qla2x00_free_sysfs_attr(base_vha, false);
6860
6861	fc_remove_host(base_vha->host);
6862
6863	scsi_remove_host(base_vha->host);
6864
6865	base_vha->flags.init_done = 0;
6866	qla25xx_delete_queues(base_vha);
6867	qla2x00_free_fcports(base_vha);
6868	qla2x00_free_irqs(base_vha);
6869	qla2x00_mem_free(ha);
6870	qla82xx_md_free(base_vha);
6871	qla2x00_free_queues(ha);
6872
6873	qla2x00_unmap_iobases(ha);
6874
6875	pci_release_selected_regions(ha->pdev, ha->bars);
6876	pci_disable_device(pdev);
6877
6878	/*
6879	 * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
6880	 */
6881}
6882
6883/**************************************************************************
6884* qla2x00_do_dpc
6885*   This kernel thread is a task that is schedule by the interrupt handler
6886*   to perform the background processing for interrupts.
6887*
6888* Notes:
6889* This task always run in the context of a kernel thread.  It
6890* is kick-off by the driver's detect code and starts up
6891* up one per adapter. It immediately goes to sleep and waits for
6892* some fibre event.  When either the interrupt handler or
6893* the timer routine detects a event it will one of the task
6894* bits then wake us up.
6895**************************************************************************/
6896static int
6897qla2x00_do_dpc(void *data)
6898{
6899	scsi_qla_host_t *base_vha;
6900	struct qla_hw_data *ha;
6901	uint32_t online;
6902	struct qla_qpair *qpair;
6903
6904	ha = (struct qla_hw_data *)data;
6905	base_vha = pci_get_drvdata(ha->pdev);
6906
6907	set_user_nice(current, MIN_NICE);
6908
6909	set_current_state(TASK_INTERRUPTIBLE);
6910	while (!kthread_should_stop()) {
6911		ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
6912		    "DPC handler sleeping.\n");
6913
6914		schedule();
6915
6916		if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
6917			qla_pci_set_eeh_busy(base_vha);
6918
6919		if (!base_vha->flags.init_done || ha->flags.mbox_busy)
6920			goto end_loop;
6921
6922		if (ha->flags.eeh_busy) {
6923			ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
6924			    "eeh_busy=%d.\n", ha->flags.eeh_busy);
6925			goto end_loop;
6926		}
6927
6928		ha->dpc_active = 1;
6929
6930		ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
6931		    "DPC handler waking up, dpc_flags=0x%lx.\n",
6932		    base_vha->dpc_flags);
6933
6934		if (test_bit(UNLOADING, &base_vha->dpc_flags))
6935			break;
6936
6937		if (IS_P3P_TYPE(ha)) {
6938			if (IS_QLA8044(ha)) {
6939				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6940					&base_vha->dpc_flags)) {
6941					qla8044_idc_lock(ha);
6942					qla8044_wr_direct(base_vha,
6943						QLA8044_CRB_DEV_STATE_INDEX,
6944						QLA8XXX_DEV_FAILED);
6945					qla8044_idc_unlock(ha);
6946					ql_log(ql_log_info, base_vha, 0x4004,
6947						"HW State: FAILED.\n");
6948					qla8044_device_state_handler(base_vha);
6949					continue;
6950				}
6951
6952			} else {
6953				if (test_and_clear_bit(ISP_UNRECOVERABLE,
6954					&base_vha->dpc_flags)) {
6955					qla82xx_idc_lock(ha);
6956					qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
6957						QLA8XXX_DEV_FAILED);
6958					qla82xx_idc_unlock(ha);
6959					ql_log(ql_log_info, base_vha, 0x0151,
6960						"HW State: FAILED.\n");
6961					qla82xx_device_state_handler(base_vha);
6962					continue;
6963				}
6964			}
6965
6966			if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
6967				&base_vha->dpc_flags)) {
6968
6969				ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
6970				    "FCoE context reset scheduled.\n");
6971				if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
6972					&base_vha->dpc_flags))) {
6973					if (qla82xx_fcoe_ctx_reset(base_vha)) {
6974						/* FCoE-ctx reset failed.
6975						 * Escalate to chip-reset
6976						 */
6977						set_bit(ISP_ABORT_NEEDED,
6978							&base_vha->dpc_flags);
6979					}
6980					clear_bit(ABORT_ISP_ACTIVE,
6981						&base_vha->dpc_flags);
6982				}
6983
6984				ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
6985				    "FCoE context reset end.\n");
6986			}
6987		} else if (IS_QLAFX00(ha)) {
6988			if (test_and_clear_bit(ISP_UNRECOVERABLE,
6989				&base_vha->dpc_flags)) {
6990				ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
6991				    "Firmware Reset Recovery\n");
6992				if (qlafx00_reset_initialize(base_vha)) {
6993					/* Failed. Abort isp later. */
6994					if (!test_bit(UNLOADING,
6995					    &base_vha->dpc_flags)) {
6996						set_bit(ISP_UNRECOVERABLE,
6997						    &base_vha->dpc_flags);
6998						ql_dbg(ql_dbg_dpc, base_vha,
6999						    0x4021,
7000						    "Reset Recovery Failed\n");
7001					}
7002				}
7003			}
7004
7005			if (test_and_clear_bit(FX00_TARGET_SCAN,
7006				&base_vha->dpc_flags)) {
7007				ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
7008				    "ISPFx00 Target Scan scheduled\n");
7009				if (qlafx00_rescan_isp(base_vha)) {
7010					if (!test_bit(UNLOADING,
7011					    &base_vha->dpc_flags))
7012						set_bit(ISP_UNRECOVERABLE,
7013						    &base_vha->dpc_flags);
7014					ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
7015					    "ISPFx00 Target Scan Failed\n");
7016				}
7017				ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
7018				    "ISPFx00 Target Scan End\n");
7019			}
7020			if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
7021				&base_vha->dpc_flags)) {
7022				ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
7023				    "ISPFx00 Host Info resend scheduled\n");
7024				qlafx00_fx_disc(base_vha,
7025				    &base_vha->hw->mr.fcport,
7026				    FXDISC_REG_HOST_INFO);
7027			}
7028		}
7029
7030		if (test_and_clear_bit(DETECT_SFP_CHANGE,
7031		    &base_vha->dpc_flags)) {
7032			/* Semantic:
7033			 *  - NO-OP -- await next ISP-ABORT. Preferred method
7034			 *             to minimize disruptions that will occur
7035			 *             when a forced chip-reset occurs.
7036			 *  - Force -- ISP-ABORT scheduled.
7037			 */
7038			/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
7039		}
7040
7041		if (test_and_clear_bit
7042		    (ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
7043		    !test_bit(UNLOADING, &base_vha->dpc_flags)) {
7044			bool do_reset = true;
7045
7046			switch (base_vha->qlini_mode) {
7047			case QLA2XXX_INI_MODE_ENABLED:
7048				break;
7049			case QLA2XXX_INI_MODE_DISABLED:
7050				if (!qla_tgt_mode_enabled(base_vha) &&
7051				    !ha->flags.fw_started)
7052					do_reset = false;
7053				break;
7054			case QLA2XXX_INI_MODE_DUAL:
7055				if (!qla_dual_mode_enabled(base_vha) &&
7056				    !ha->flags.fw_started)
7057					do_reset = false;
7058				break;
7059			default:
7060				break;
7061			}
7062
7063			if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
7064			    &base_vha->dpc_flags))) {
7065				base_vha->flags.online = 1;
7066				ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
7067				    "ISP abort scheduled.\n");
7068				if (ha->isp_ops->abort_isp(base_vha)) {
7069					/* failed. retry later */
7070					set_bit(ISP_ABORT_NEEDED,
7071					    &base_vha->dpc_flags);
7072				}
7073				clear_bit(ABORT_ISP_ACTIVE,
7074						&base_vha->dpc_flags);
7075				ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
7076				    "ISP abort end.\n");
7077			}
7078		}
7079
7080		if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
7081			if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
7082				qla24xx_process_purex_list
7083					(&base_vha->purex_list);
7084				clear_bit(PROCESS_PUREX_IOCB,
7085				    &base_vha->dpc_flags);
7086			}
7087		}
7088
7089		if (IS_QLAFX00(ha))
7090			goto loop_resync_check;
7091
7092		if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
7093			ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
7094			    "Quiescence mode scheduled.\n");
7095			if (IS_P3P_TYPE(ha)) {
7096				if (IS_QLA82XX(ha))
7097					qla82xx_device_state_handler(base_vha);
7098				if (IS_QLA8044(ha))
7099					qla8044_device_state_handler(base_vha);
7100				clear_bit(ISP_QUIESCE_NEEDED,
7101				    &base_vha->dpc_flags);
7102				if (!ha->flags.quiesce_owner) {
7103					qla2x00_perform_loop_resync(base_vha);
7104					if (IS_QLA82XX(ha)) {
7105						qla82xx_idc_lock(ha);
7106						qla82xx_clear_qsnt_ready(
7107						    base_vha);
7108						qla82xx_idc_unlock(ha);
7109					} else if (IS_QLA8044(ha)) {
7110						qla8044_idc_lock(ha);
7111						qla8044_clear_qsnt_ready(
7112						    base_vha);
7113						qla8044_idc_unlock(ha);
7114					}
7115				}
7116			} else {
7117				clear_bit(ISP_QUIESCE_NEEDED,
7118				    &base_vha->dpc_flags);
7119				qla2x00_quiesce_io(base_vha);
7120			}
7121			ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
7122			    "Quiescence mode end.\n");
7123		}
7124
7125		if (test_and_clear_bit(RESET_MARKER_NEEDED,
7126				&base_vha->dpc_flags) &&
7127		    (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
7128
7129			ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
7130			    "Reset marker scheduled.\n");
7131			qla2x00_rst_aen(base_vha);
7132			clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
7133			ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
7134			    "Reset marker end.\n");
7135		}
7136
7137		/* Retry each device up to login retry count */
7138		if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
7139		    !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
7140		    atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
7141
7142			if (!base_vha->relogin_jif ||
7143			    time_after_eq(jiffies, base_vha->relogin_jif)) {
7144				base_vha->relogin_jif = jiffies + HZ;
7145				clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
7146
7147				ql_dbg(ql_dbg_disc, base_vha, 0x400d,
7148				    "Relogin scheduled.\n");
7149				qla24xx_post_relogin_work(base_vha);
7150			}
7151		}
7152loop_resync_check:
7153		if (!qla2x00_reset_active(base_vha) &&
7154		    test_and_clear_bit(LOOP_RESYNC_NEEDED,
7155		    &base_vha->dpc_flags)) {
7156			/*
7157			 * Allow abort_isp to complete before moving on to scanning.
7158			 */
7159			ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
7160			    "Loop resync scheduled.\n");
7161
7162			if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
7163			    &base_vha->dpc_flags))) {
7164
7165				qla2x00_loop_resync(base_vha);
7166
7167				clear_bit(LOOP_RESYNC_ACTIVE,
7168						&base_vha->dpc_flags);
7169			}
7170
7171			ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
7172			    "Loop resync end.\n");
7173		}
7174
7175		if (IS_QLAFX00(ha))
7176			goto intr_on_check;
7177
7178		if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
7179		    atomic_read(&base_vha->loop_state) == LOOP_READY) {
7180			clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
7181			qla2xxx_flash_npiv_conf(base_vha);
7182		}
7183
7184intr_on_check:
7185		if (!ha->interrupts_on)
7186			ha->isp_ops->enable_intrs(ha);
7187
7188		if (test_and_clear_bit(BEACON_BLINK_NEEDED,
7189					&base_vha->dpc_flags)) {
7190			if (ha->beacon_blink_led == 1)
7191				ha->isp_ops->beacon_blink(base_vha);
7192		}
7193
7194		/* qpair online check */
7195		if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
7196		    &base_vha->dpc_flags)) {
7197			if (ha->flags.eeh_busy ||
7198			    ha->flags.pci_channel_io_perm_failure)
7199				online = 0;
7200			else
7201				online = 1;
7202
7203			mutex_lock(&ha->mq_lock);
7204			list_for_each_entry(qpair, &base_vha->qp_list,
7205			    qp_list_elem)
7206			qpair->online = online;
7207			mutex_unlock(&ha->mq_lock);
7208		}
7209
7210		if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
7211				       &base_vha->dpc_flags)) {
7212			u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
7213
7214			if (threshold > ha->orig_fw_xcb_count)
7215				threshold = ha->orig_fw_xcb_count;
7216
7217			ql_log(ql_log_info, base_vha, 0xffffff,
7218			       "SET ZIO Activity exchange threshold to %d.\n",
7219			       threshold);
7220			if (qla27xx_set_zio_threshold(base_vha, threshold)) {
7221				ql_log(ql_log_info, base_vha, 0xffffff,
7222				       "Unable to SET ZIO Activity exchange threshold to %d.\n",
7223				       threshold);
7224			}
7225		}
7226
7227		if (!IS_QLAFX00(ha))
7228			qla2x00_do_dpc_all_vps(base_vha);
7229
7230		if (test_and_clear_bit(N2N_LINK_RESET,
7231			&base_vha->dpc_flags)) {
7232			qla2x00_lip_reset(base_vha);
7233		}
7234
7235		ha->dpc_active = 0;
7236end_loop:
7237		set_current_state(TASK_INTERRUPTIBLE);
7238	} /* End of while(1) */
7239	__set_current_state(TASK_RUNNING);
7240
7241	ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
7242	    "DPC handler exiting.\n");
7243
7244	/*
7245	 * Make sure that nobody tries to wake us up again.
7246	 */
7247	ha->dpc_active = 0;
7248
7249	/* Cleanup any residual CTX SRBs. */
7250	qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
7251
7252	return 0;
7253}
7254
7255void
7256qla2xxx_wake_dpc(struct scsi_qla_host *vha)
7257{
7258	struct qla_hw_data *ha = vha->hw;
7259	struct task_struct *t = ha->dpc_thread;
7260
7261	if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
7262		wake_up_process(t);
7263}
7264
7265/*
7266*  qla2x00_rst_aen
7267*      Processes asynchronous reset.
7268*
7269* Input:
7270*      ha  = adapter block pointer.
7271*/
7272static void
7273qla2x00_rst_aen(scsi_qla_host_t *vha)
7274{
7275	if (vha->flags.online && !vha->flags.reset_active &&
7276	    !atomic_read(&vha->loop_down_timer) &&
7277	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
7278		do {
7279			clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
7280
7281			/*
7282			 * Issue marker command only when we are going to start
7283			 * the I/O.
7284			 */
7285			vha->marker_needed = 1;
7286		} while (!atomic_read(&vha->loop_down_timer) &&
7287		    (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
7288	}
7289}
7290
7291static bool qla_do_heartbeat(struct scsi_qla_host *vha)
7292{
7293	struct qla_hw_data *ha = vha->hw;
7294	u32 cmpl_cnt;
7295	u16 i;
7296	bool do_heartbeat = false;
7297
7298	/*
7299	 * Allow do_heartbeat only if we don’t have any active interrupts,
7300	 * but there are still IOs outstanding with firmware.
7301	 */
7302	cmpl_cnt = ha->base_qpair->cmd_completion_cnt;
7303	if (cmpl_cnt == ha->base_qpair->prev_completion_cnt &&
7304	    cmpl_cnt != ha->base_qpair->cmd_cnt) {
7305		do_heartbeat = true;
7306		goto skip;
7307	}
7308	ha->base_qpair->prev_completion_cnt = cmpl_cnt;
7309
7310	for (i = 0; i < ha->max_qpairs; i++) {
7311		if (ha->queue_pair_map[i]) {
7312			cmpl_cnt = ha->queue_pair_map[i]->cmd_completion_cnt;
7313			if (cmpl_cnt == ha->queue_pair_map[i]->prev_completion_cnt &&
7314			    cmpl_cnt != ha->queue_pair_map[i]->cmd_cnt) {
7315				do_heartbeat = true;
7316				break;
7317			}
7318			ha->queue_pair_map[i]->prev_completion_cnt = cmpl_cnt;
7319		}
7320	}
7321
7322skip:
7323	return do_heartbeat;
7324}
7325
7326static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started)
7327{
7328	struct qla_hw_data *ha = vha->hw;
7329
7330	if (vha->vp_idx)
7331		return;
7332
7333	if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha))
7334		return;
7335
7336	/*
7337	 * dpc thread cannot run if heartbeat is running at the same time.
7338	 * We also do not want to starve heartbeat task. Therefore, do
7339	 * heartbeat task at least once every 5 seconds.
7340	 */
7341	if (dpc_started &&
7342	    time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ))
7343		return;
7344
7345	if (qla_do_heartbeat(vha)) {
7346		ha->last_heartbeat_run_jiffies = jiffies;
7347		queue_work(ha->wq, &ha->heartbeat_work);
7348	}
7349}
7350
7351static void qla_wind_down_chip(scsi_qla_host_t *vha)
7352{
7353	struct qla_hw_data *ha = vha->hw;
7354
7355	if (!ha->flags.eeh_busy)
7356		return;
7357	if (ha->pci_error_state)
7358		/* system is trying to recover */
7359		return;
7360
7361	/*
7362	 * Current system is not handling PCIE error.  At this point, this is
7363	 * best effort to wind down the adapter.
7364	 */
7365	if (time_after_eq(jiffies, ha->eeh_jif + ql2xdelay_before_pci_error_handling * HZ) &&
7366	    !ha->flags.eeh_flush) {
7367		ql_log(ql_log_info, vha, 0x9009,
7368		    "PCI Error detected, attempting to reset hardware.\n");
7369
7370		ha->isp_ops->reset_chip(vha);
7371		ha->isp_ops->disable_intrs(ha);
7372
7373		ha->flags.eeh_flush = EEH_FLUSH_RDY;
7374		ha->eeh_jif = jiffies;
7375
7376	} else if (ha->flags.eeh_flush == EEH_FLUSH_RDY &&
7377	    time_after_eq(jiffies, ha->eeh_jif +  5 * HZ)) {
7378		pci_clear_master(ha->pdev);
7379
7380		/* flush all command */
7381		qla2x00_abort_isp_cleanup(vha);
7382		ha->flags.eeh_flush = EEH_FLUSH_DONE;
7383
7384		ql_log(ql_log_info, vha, 0x900a,
7385		    "PCI Error handling complete, all IOs aborted.\n");
7386	}
7387}
7388
7389/**************************************************************************
7390*   qla2x00_timer
7391*
7392* Description:
7393*   One second timer
7394*
7395* Context: Interrupt
7396***************************************************************************/
7397void
7398qla2x00_timer(struct timer_list *t)
7399{
7400	scsi_qla_host_t *vha = from_timer(vha, t, timer);
7401	unsigned long	cpu_flags = 0;
7402	int		start_dpc = 0;
7403	int		index;
7404	srb_t		*sp;
7405	uint16_t        w;
7406	struct qla_hw_data *ha = vha->hw;
7407	struct req_que *req;
7408	unsigned long flags;
7409	fc_port_t *fcport = NULL;
7410
7411	if (ha->flags.eeh_busy) {
7412		qla_wind_down_chip(vha);
7413
7414		ql_dbg(ql_dbg_timer, vha, 0x6000,
7415		    "EEH = %d, restarting timer.\n",
7416		    ha->flags.eeh_busy);
7417		qla2x00_restart_timer(vha, WATCH_INTERVAL);
7418		return;
7419	}
7420
7421	/*
7422	 * Hardware read to raise pending EEH errors during mailbox waits. If
7423	 * the read returns -1 then disable the board.
7424	 */
7425	if (!pci_channel_offline(ha->pdev)) {
7426		pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
7427		qla2x00_check_reg16_for_disconnect(vha, w);
7428	}
7429
7430	/* Make sure qla82xx_watchdog is run only for physical port */
7431	if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
7432		if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
7433			start_dpc++;
7434		if (IS_QLA82XX(ha))
7435			qla82xx_watchdog(vha);
7436		else if (IS_QLA8044(ha))
7437			qla8044_watchdog(vha);
7438	}
7439
7440	if (!vha->vp_idx && IS_QLAFX00(ha))
7441		qlafx00_timer_routine(vha);
7442
7443	if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7444		vha->link_down_time++;
7445
7446	spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
7447	list_for_each_entry(fcport, &vha->vp_fcports, list) {
7448		if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
7449			fcport->tgt_link_down_time++;
7450	}
7451	spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
7452
7453	/* Loop down handler. */
7454	if (atomic_read(&vha->loop_down_timer) > 0 &&
7455	    !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
7456	    !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
7457		&& vha->flags.online) {
7458
7459		if (atomic_read(&vha->loop_down_timer) ==
7460		    vha->loop_down_abort_time) {
7461
7462			ql_log(ql_log_info, vha, 0x6008,
7463			    "Loop down - aborting the queues before time expires.\n");
7464
7465			if (!IS_QLA2100(ha) && vha->link_down_timeout)
7466				atomic_set(&vha->loop_state, LOOP_DEAD);
7467
7468			/*
7469			 * Schedule an ISP abort to return any FCP2-device
7470			 * commands.
7471			 */
7472			/* NPIV - scan physical port only */
7473			if (!vha->vp_idx) {
7474				spin_lock_irqsave(&ha->hardware_lock,
7475				    cpu_flags);
7476				req = ha->req_q_map[0];
7477				for (index = 1;
7478				    index < req->num_outstanding_cmds;
7479				    index++) {
7480					fc_port_t *sfcp;
7481
7482					sp = req->outstanding_cmds[index];
7483					if (!sp)
7484						continue;
7485					if (sp->cmd_type != TYPE_SRB)
7486						continue;
7487					if (sp->type != SRB_SCSI_CMD)
7488						continue;
7489					sfcp = sp->fcport;
7490					if (!(sfcp->flags & FCF_FCP2_DEVICE))
7491						continue;
7492
7493					if (IS_QLA82XX(ha))
7494						set_bit(FCOE_CTX_RESET_NEEDED,
7495							&vha->dpc_flags);
7496					else
7497						set_bit(ISP_ABORT_NEEDED,
7498							&vha->dpc_flags);
7499					break;
7500				}
7501				spin_unlock_irqrestore(&ha->hardware_lock,
7502								cpu_flags);
7503			}
7504			start_dpc++;
7505		}
7506
7507		/* if the loop has been down for 4 minutes, reinit adapter */
7508		if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
7509			if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
7510				ql_log(ql_log_warn, vha, 0x6009,
7511				    "Loop down - aborting ISP.\n");
7512
7513				if (IS_QLA82XX(ha))
7514					set_bit(FCOE_CTX_RESET_NEEDED,
7515						&vha->dpc_flags);
7516				else
7517					set_bit(ISP_ABORT_NEEDED,
7518						&vha->dpc_flags);
7519			}
7520		}
7521		ql_dbg(ql_dbg_timer, vha, 0x600a,
7522		    "Loop down - seconds remaining %d.\n",
7523		    atomic_read(&vha->loop_down_timer));
7524	}
7525	/* Check if beacon LED needs to be blinked for physical host only */
7526	if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
7527		/* There is no beacon_blink function for ISP82xx */
7528		if (!IS_P3P_TYPE(ha)) {
7529			set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
7530			start_dpc++;
7531		}
7532	}
7533
7534	/* check if edif running */
7535	if (vha->hw->flags.edif_enabled)
7536		qla_edif_timer(vha);
7537
7538	/* Process any deferred work. */
7539	if (!list_empty(&vha->work_list)) {
7540		unsigned long flags;
7541		bool q = false;
7542
7543		spin_lock_irqsave(&vha->work_lock, flags);
7544		if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
7545			q = true;
7546		spin_unlock_irqrestore(&vha->work_lock, flags);
7547		if (q)
7548			queue_work(vha->hw->wq, &vha->iocb_work);
7549	}
7550
7551	/*
7552	 * FC-NVME
7553	 * see if the active AEN count has changed from what was last reported.
7554	 */
7555	index = atomic_read(&ha->nvme_active_aen_cnt);
7556	if (!vha->vp_idx &&
7557	    (index != ha->nvme_last_rptd_aen) &&
7558	    ha->zio_mode == QLA_ZIO_MODE_6 &&
7559	    !ha->flags.host_shutting_down) {
7560		ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
7561		ql_log(ql_log_info, vha, 0x3002,
7562		    "nvme: Sched: Set ZIO exchange threshold to %d.\n",
7563		    ha->nvme_last_rptd_aen);
7564		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7565		start_dpc++;
7566	}
7567
7568	if (!vha->vp_idx &&
7569	    atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
7570	    IS_ZIO_THRESHOLD_CAPABLE(ha)) {
7571		ql_log(ql_log_info, vha, 0x3002,
7572		    "Sched: Set ZIO exchange threshold to %d.\n",
7573		    ha->last_zio_threshold);
7574		ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
7575		set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
7576		start_dpc++;
7577	}
7578	qla_adjust_buf(vha);
7579
7580	/* borrowing w to signify dpc will run */
7581	w = 0;
7582	/* Schedule the DPC routine if needed */
7583	if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
7584	    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
7585	    start_dpc ||
7586	    test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
7587	    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
7588	    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
7589	    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
7590	    test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
7591	    test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
7592	    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
7593		ql_dbg(ql_dbg_timer, vha, 0x600b,
7594		    "isp_abort_needed=%d loop_resync_needed=%d "
7595		    "start_dpc=%d reset_marker_needed=%d",
7596		    test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
7597		    test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
7598		    start_dpc, test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
7599		ql_dbg(ql_dbg_timer, vha, 0x600c,
7600		    "beacon_blink_needed=%d isp_unrecoverable=%d "
7601		    "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
7602		    "relogin_needed=%d, Process_purex_iocb=%d.\n",
7603		    test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
7604		    test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
7605		    test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
7606		    test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
7607		    test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
7608		    test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
7609		qla2xxx_wake_dpc(vha);
7610		w = 1;
7611	}
7612
7613	qla_heart_beat(vha, w);
7614
7615	qla2x00_restart_timer(vha, WATCH_INTERVAL);
7616}
7617
7618/* Firmware interface routines. */
7619
7620#define FW_ISP21XX	0
7621#define FW_ISP22XX	1
7622#define FW_ISP2300	2
7623#define FW_ISP2322	3
7624#define FW_ISP24XX	4
7625#define FW_ISP25XX	5
7626#define FW_ISP81XX	6
7627#define FW_ISP82XX	7
7628#define FW_ISP2031	8
7629#define FW_ISP8031	9
7630#define FW_ISP27XX	10
7631#define FW_ISP28XX	11
7632
7633#define FW_FILE_ISP21XX	"ql2100_fw.bin"
7634#define FW_FILE_ISP22XX	"ql2200_fw.bin"
7635#define FW_FILE_ISP2300	"ql2300_fw.bin"
7636#define FW_FILE_ISP2322	"ql2322_fw.bin"
7637#define FW_FILE_ISP24XX	"ql2400_fw.bin"
7638#define FW_FILE_ISP25XX	"ql2500_fw.bin"
7639#define FW_FILE_ISP81XX	"ql8100_fw.bin"
7640#define FW_FILE_ISP82XX	"ql8200_fw.bin"
7641#define FW_FILE_ISP2031	"ql2600_fw.bin"
7642#define FW_FILE_ISP8031	"ql8300_fw.bin"
7643#define FW_FILE_ISP27XX	"ql2700_fw.bin"
7644#define FW_FILE_ISP28XX	"ql2800_fw.bin"
7645
7646
7647static DEFINE_MUTEX(qla_fw_lock);
7648
7649static struct fw_blob qla_fw_blobs[] = {
7650	{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
7651	{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
7652	{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
7653	{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
7654	{ .name = FW_FILE_ISP24XX, },
7655	{ .name = FW_FILE_ISP25XX, },
7656	{ .name = FW_FILE_ISP81XX, },
7657	{ .name = FW_FILE_ISP82XX, },
7658	{ .name = FW_FILE_ISP2031, },
7659	{ .name = FW_FILE_ISP8031, },
7660	{ .name = FW_FILE_ISP27XX, },
7661	{ .name = FW_FILE_ISP28XX, },
7662	{ .name = NULL, },
7663};
7664
7665struct fw_blob *
7666qla2x00_request_firmware(scsi_qla_host_t *vha)
7667{
7668	struct qla_hw_data *ha = vha->hw;
7669	struct fw_blob *blob;
7670
7671	if (IS_QLA2100(ha)) {
7672		blob = &qla_fw_blobs[FW_ISP21XX];
7673	} else if (IS_QLA2200(ha)) {
7674		blob = &qla_fw_blobs[FW_ISP22XX];
7675	} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
7676		blob = &qla_fw_blobs[FW_ISP2300];
7677	} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
7678		blob = &qla_fw_blobs[FW_ISP2322];
7679	} else if (IS_QLA24XX_TYPE(ha)) {
7680		blob = &qla_fw_blobs[FW_ISP24XX];
7681	} else if (IS_QLA25XX(ha)) {
7682		blob = &qla_fw_blobs[FW_ISP25XX];
7683	} else if (IS_QLA81XX(ha)) {
7684		blob = &qla_fw_blobs[FW_ISP81XX];
7685	} else if (IS_QLA82XX(ha)) {
7686		blob = &qla_fw_blobs[FW_ISP82XX];
7687	} else if (IS_QLA2031(ha)) {
7688		blob = &qla_fw_blobs[FW_ISP2031];
7689	} else if (IS_QLA8031(ha)) {
7690		blob = &qla_fw_blobs[FW_ISP8031];
7691	} else if (IS_QLA27XX(ha)) {
7692		blob = &qla_fw_blobs[FW_ISP27XX];
7693	} else if (IS_QLA28XX(ha)) {
7694		blob = &qla_fw_blobs[FW_ISP28XX];
7695	} else {
7696		return NULL;
7697	}
7698
7699	if (!blob->name)
7700		return NULL;
7701
7702	mutex_lock(&qla_fw_lock);
7703	if (blob->fw)
7704		goto out;
7705
7706	if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
7707		ql_log(ql_log_warn, vha, 0x0063,
7708		    "Failed to load firmware image (%s).\n", blob->name);
7709		blob->fw = NULL;
7710		blob = NULL;
7711	}
7712
7713out:
7714	mutex_unlock(&qla_fw_lock);
7715	return blob;
7716}
7717
7718static void
7719qla2x00_release_firmware(void)
7720{
7721	struct fw_blob *blob;
7722
7723	mutex_lock(&qla_fw_lock);
7724	for (blob = qla_fw_blobs; blob->name; blob++)
7725		release_firmware(blob->fw);
7726	mutex_unlock(&qla_fw_lock);
7727}
7728
7729static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
7730{
7731	struct qla_hw_data *ha = vha->hw;
7732	scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
7733	struct qla_qpair *qpair = NULL;
7734	struct scsi_qla_host *vp, *tvp;
7735	fc_port_t *fcport;
7736	int i;
7737	unsigned long flags;
7738
7739	ql_dbg(ql_dbg_aer, vha, 0x9000,
7740	       "%s\n", __func__);
7741	ha->chip_reset++;
7742
7743	ha->base_qpair->chip_reset = ha->chip_reset;
7744	for (i = 0; i < ha->max_qpairs; i++) {
7745		if (ha->queue_pair_map[i])
7746			ha->queue_pair_map[i]->chip_reset =
7747			    ha->base_qpair->chip_reset;
7748	}
7749
7750	/*
7751	 * purge mailbox might take a while. Slot Reset/chip reset
7752	 * will take care of the purge
7753	 */
7754
7755	mutex_lock(&ha->mq_lock);
7756	ha->base_qpair->online = 0;
7757	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7758		qpair->online = 0;
7759	wmb();
7760	mutex_unlock(&ha->mq_lock);
7761
7762	qla2x00_mark_all_devices_lost(vha);
7763
7764	spin_lock_irqsave(&ha->vport_slock, flags);
7765	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7766		atomic_inc(&vp->vref_count);
7767		spin_unlock_irqrestore(&ha->vport_slock, flags);
7768		qla2x00_mark_all_devices_lost(vp);
7769		spin_lock_irqsave(&ha->vport_slock, flags);
7770		atomic_dec(&vp->vref_count);
7771	}
7772	spin_unlock_irqrestore(&ha->vport_slock, flags);
7773
7774	/* Clear all async request states across all VPs. */
7775	list_for_each_entry(fcport, &vha->vp_fcports, list)
7776		fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7777
7778	spin_lock_irqsave(&ha->vport_slock, flags);
7779	list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
7780		atomic_inc(&vp->vref_count);
7781		spin_unlock_irqrestore(&ha->vport_slock, flags);
7782		list_for_each_entry(fcport, &vp->vp_fcports, list)
7783			fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
7784		spin_lock_irqsave(&ha->vport_slock, flags);
7785		atomic_dec(&vp->vref_count);
7786	}
7787	spin_unlock_irqrestore(&ha->vport_slock, flags);
7788}
7789
7790
7791static pci_ers_result_t
7792qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7793{
7794	scsi_qla_host_t *vha = pci_get_drvdata(pdev);
7795	struct qla_hw_data *ha = vha->hw;
7796	pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
7797
7798	ql_log(ql_log_warn, vha, 0x9000,
7799	       "PCI error detected, state %x.\n", state);
7800	ha->pci_error_state = QLA_PCI_ERR_DETECTED;
7801
7802	if (!atomic_read(&pdev->enable_cnt)) {
7803		ql_log(ql_log_info, vha, 0xffff,
7804			"PCI device is disabled,state %x\n", state);
7805		ret = PCI_ERS_RESULT_NEED_RESET;
7806		goto out;
7807	}
7808
7809	switch (state) {
7810	case pci_channel_io_normal:
7811		qla_pci_set_eeh_busy(vha);
7812		if (ql2xmqsupport || ql2xnvmeenable) {
7813			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7814			qla2xxx_wake_dpc(vha);
7815		}
7816		ret = PCI_ERS_RESULT_CAN_RECOVER;
7817		break;
7818	case pci_channel_io_frozen:
7819		qla_pci_set_eeh_busy(vha);
7820		ret = PCI_ERS_RESULT_NEED_RESET;
7821		break;
7822	case pci_channel_io_perm_failure:
7823		ha->flags.pci_channel_io_perm_failure = 1;
7824		qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
7825		if (ql2xmqsupport || ql2xnvmeenable) {
7826			set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
7827			qla2xxx_wake_dpc(vha);
7828		}
7829		ret = PCI_ERS_RESULT_DISCONNECT;
7830	}
7831out:
7832	ql_dbg(ql_dbg_aer, vha, 0x600d,
7833	       "PCI error detected returning [%x].\n", ret);
7834	return ret;
7835}
7836
7837static pci_ers_result_t
7838qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
7839{
7840	int risc_paused = 0;
7841	uint32_t stat;
7842	unsigned long flags;
7843	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7844	struct qla_hw_data *ha = base_vha->hw;
7845	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
7846	struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
7847
7848	ql_log(ql_log_warn, base_vha, 0x9000,
7849	       "mmio enabled\n");
7850
7851	ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
7852
7853	if (IS_QLA82XX(ha))
7854		return PCI_ERS_RESULT_RECOVERED;
7855
7856	if (qla2x00_isp_reg_stat(ha)) {
7857		ql_log(ql_log_info, base_vha, 0x803f,
7858		    "During mmio enabled, PCI/Register disconnect still detected.\n");
7859		goto out;
7860	}
7861
7862	spin_lock_irqsave(&ha->hardware_lock, flags);
7863	if (IS_QLA2100(ha) || IS_QLA2200(ha)){
7864		stat = rd_reg_word(&reg->hccr);
7865		if (stat & HCCR_RISC_PAUSE)
7866			risc_paused = 1;
7867	} else if (IS_QLA23XX(ha)) {
7868		stat = rd_reg_dword(&reg->u.isp2300.host_status);
7869		if (stat & HSR_RISC_PAUSED)
7870			risc_paused = 1;
7871	} else if (IS_FWI2_CAPABLE(ha)) {
7872		stat = rd_reg_dword(&reg24->host_status);
7873		if (stat & HSRX_RISC_PAUSED)
7874			risc_paused = 1;
7875	}
7876	spin_unlock_irqrestore(&ha->hardware_lock, flags);
7877
7878	if (risc_paused) {
7879		ql_log(ql_log_info, base_vha, 0x9003,
7880		    "RISC paused -- mmio_enabled, Dumping firmware.\n");
7881		qla2xxx_dump_fw(base_vha);
7882	}
7883out:
7884	/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
7885	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7886	       "mmio enabled returning.\n");
7887	return PCI_ERS_RESULT_NEED_RESET;
7888}
7889
7890static pci_ers_result_t
7891qla2xxx_pci_slot_reset(struct pci_dev *pdev)
7892{
7893	pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
7894	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7895	struct qla_hw_data *ha = base_vha->hw;
7896	int rc;
7897	struct qla_qpair *qpair = NULL;
7898
7899	ql_log(ql_log_warn, base_vha, 0x9004,
7900	       "Slot Reset.\n");
7901
7902	ha->pci_error_state = QLA_PCI_SLOT_RESET;
7903	/* Workaround: qla2xxx driver which access hardware earlier
7904	 * needs error state to be pci_channel_io_online.
7905	 * Otherwise mailbox command timesout.
7906	 */
7907	pdev->error_state = pci_channel_io_normal;
7908
7909	pci_restore_state(pdev);
7910
7911	/* pci_restore_state() clears the saved_state flag of the device
7912	 * save restored state which resets saved_state flag
7913	 */
7914	pci_save_state(pdev);
7915
7916	if (ha->mem_only)
7917		rc = pci_enable_device_mem(pdev);
7918	else
7919		rc = pci_enable_device(pdev);
7920
7921	if (rc) {
7922		ql_log(ql_log_warn, base_vha, 0x9005,
7923		    "Can't re-enable PCI device after reset.\n");
7924		goto exit_slot_reset;
7925	}
7926
7927
7928	if (ha->isp_ops->pci_config(base_vha))
7929		goto exit_slot_reset;
7930
7931	mutex_lock(&ha->mq_lock);
7932	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
7933		qpair->online = 1;
7934	mutex_unlock(&ha->mq_lock);
7935
7936	ha->flags.eeh_busy = 0;
7937	base_vha->flags.online = 1;
7938	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7939	ha->isp_ops->abort_isp(base_vha);
7940	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
7941
7942	if (qla2x00_isp_reg_stat(ha)) {
7943		ha->flags.eeh_busy = 1;
7944		qla_pci_error_cleanup(base_vha);
7945		ql_log(ql_log_warn, base_vha, 0x9005,
7946		       "Device unable to recover from PCI error.\n");
7947	} else {
7948		ret =  PCI_ERS_RESULT_RECOVERED;
7949	}
7950
7951exit_slot_reset:
7952	ql_dbg(ql_dbg_aer, base_vha, 0x900e,
7953	    "Slot Reset returning %x.\n", ret);
7954
7955	return ret;
7956}
7957
7958static void
7959qla2xxx_pci_resume(struct pci_dev *pdev)
7960{
7961	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
7962	struct qla_hw_data *ha = base_vha->hw;
7963	int ret;
7964
7965	ql_log(ql_log_warn, base_vha, 0x900f,
7966	       "Pci Resume.\n");
7967
7968
7969	ret = qla2x00_wait_for_hba_online(base_vha);
7970	if (ret != QLA_SUCCESS) {
7971		ql_log(ql_log_fatal, base_vha, 0x9002,
7972		    "The device failed to resume I/O from slot/link_reset.\n");
7973	}
7974	ha->pci_error_state = QLA_PCI_RESUME;
7975	ql_dbg(ql_dbg_aer, base_vha, 0x600d,
7976	       "Pci Resume returning.\n");
7977}
7978
7979void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
7980{
7981	struct qla_hw_data *ha = vha->hw;
7982	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
7983	bool do_cleanup = false;
7984	unsigned long flags;
7985
7986	if (ha->flags.eeh_busy)
7987		return;
7988
7989	spin_lock_irqsave(&base_vha->work_lock, flags);
7990	if (!ha->flags.eeh_busy) {
7991		ha->eeh_jif = jiffies;
7992		ha->flags.eeh_flush = 0;
7993
7994		ha->flags.eeh_busy = 1;
7995		do_cleanup = true;
7996	}
7997	spin_unlock_irqrestore(&base_vha->work_lock, flags);
7998
7999	if (do_cleanup)
8000		qla_pci_error_cleanup(base_vha);
8001}
8002
8003/*
8004 * this routine will schedule a task to pause IO from interrupt context
8005 * if caller sees a PCIE error event (register read = 0xf's)
8006 */
8007void qla_schedule_eeh_work(struct scsi_qla_host *vha)
8008{
8009	struct qla_hw_data *ha = vha->hw;
8010	struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
8011
8012	if (ha->flags.eeh_busy)
8013		return;
8014
8015	set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
8016	qla2xxx_wake_dpc(base_vha);
8017}
8018
8019static void
8020qla_pci_reset_prepare(struct pci_dev *pdev)
8021{
8022	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8023	struct qla_hw_data *ha = base_vha->hw;
8024	struct qla_qpair *qpair;
8025
8026	ql_log(ql_log_warn, base_vha, 0xffff,
8027	    "%s.\n", __func__);
8028
8029	/*
8030	 * PCI FLR/function reset is about to reset the
8031	 * slot. Stop the chip to stop all DMA access.
8032	 * It is assumed that pci_reset_done will be called
8033	 * after FLR to resume Chip operation.
8034	 */
8035	ha->flags.eeh_busy = 1;
8036	mutex_lock(&ha->mq_lock);
8037	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8038		qpair->online = 0;
8039	mutex_unlock(&ha->mq_lock);
8040
8041	set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8042	qla2x00_abort_isp_cleanup(base_vha);
8043	qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
8044}
8045
8046static void
8047qla_pci_reset_done(struct pci_dev *pdev)
8048{
8049	scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
8050	struct qla_hw_data *ha = base_vha->hw;
8051	struct qla_qpair *qpair;
8052
8053	ql_log(ql_log_warn, base_vha, 0xffff,
8054	    "%s.\n", __func__);
8055
8056	/*
8057	 * FLR just completed by PCI layer. Resume adapter
8058	 */
8059	ha->flags.eeh_busy = 0;
8060	mutex_lock(&ha->mq_lock);
8061	list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
8062		qpair->online = 1;
8063	mutex_unlock(&ha->mq_lock);
8064
8065	base_vha->flags.online = 1;
8066	ha->isp_ops->abort_isp(base_vha);
8067	clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
8068}
8069
8070static void qla2xxx_map_queues(struct Scsi_Host *shost)
8071{
8072	scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
8073	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
8074
8075	if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
8076		blk_mq_map_queues(qmap);
8077	else
8078		blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
8079}
8080
8081struct scsi_host_template qla2xxx_driver_template = {
8082	.module			= THIS_MODULE,
8083	.name			= QLA2XXX_DRIVER_NAME,
8084	.queuecommand		= qla2xxx_queuecommand,
8085
8086	.eh_timed_out		= fc_eh_timed_out,
8087	.eh_abort_handler	= qla2xxx_eh_abort,
8088	.eh_should_retry_cmd	= fc_eh_should_retry_cmd,
8089	.eh_device_reset_handler = qla2xxx_eh_device_reset,
8090	.eh_target_reset_handler = qla2xxx_eh_target_reset,
8091	.eh_bus_reset_handler	= qla2xxx_eh_bus_reset,
8092	.eh_host_reset_handler	= qla2xxx_eh_host_reset,
8093
8094	.slave_configure	= qla2xxx_slave_configure,
8095
8096	.slave_alloc		= qla2xxx_slave_alloc,
8097	.slave_destroy		= qla2xxx_slave_destroy,
8098	.scan_finished		= qla2xxx_scan_finished,
8099	.scan_start		= qla2xxx_scan_start,
8100	.change_queue_depth	= scsi_change_queue_depth,
8101	.map_queues             = qla2xxx_map_queues,
8102	.this_id		= -1,
8103	.cmd_per_lun		= 3,
8104	.sg_tablesize		= SG_ALL,
8105
8106	.max_sectors		= 0xFFFF,
8107	.shost_groups		= qla2x00_host_groups,
8108
8109	.supported_mode		= MODE_INITIATOR,
8110	.track_queue_depth	= 1,
8111	.cmd_size		= sizeof(srb_t),
8112};
8113
8114static const struct pci_error_handlers qla2xxx_err_handler = {
8115	.error_detected = qla2xxx_pci_error_detected,
8116	.mmio_enabled = qla2xxx_pci_mmio_enabled,
8117	.slot_reset = qla2xxx_pci_slot_reset,
8118	.resume = qla2xxx_pci_resume,
8119	.reset_prepare = qla_pci_reset_prepare,
8120	.reset_done = qla_pci_reset_done,
8121};
8122
8123static struct pci_device_id qla2xxx_pci_tbl[] = {
8124	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
8125	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
8126	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
8127	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
8128	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
8129	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
8130	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
8131	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
8132	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
8133	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
8134	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
8135	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
8136	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
8137	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
8138	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
8139	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
8140	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
8141	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
8142	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
8143	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
8144	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
8145	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
8146	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
8147	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
8148	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
8149	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
8150	{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
8151	{ 0 },
8152};
8153MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
8154
8155static struct pci_driver qla2xxx_pci_driver = {
8156	.name		= QLA2XXX_DRIVER_NAME,
8157	.driver		= {
8158		.owner		= THIS_MODULE,
8159	},
8160	.id_table	= qla2xxx_pci_tbl,
8161	.probe		= qla2x00_probe_one,
8162	.remove		= qla2x00_remove_one,
8163	.shutdown	= qla2x00_shutdown,
8164	.err_handler	= &qla2xxx_err_handler,
8165};
8166
8167static const struct file_operations apidev_fops = {
8168	.owner = THIS_MODULE,
8169	.llseek = noop_llseek,
8170};
8171
8172/**
8173 * qla2x00_module_init - Module initialization.
8174 **/
8175static int __init
8176qla2x00_module_init(void)
8177{
8178	int ret = 0;
8179
8180	BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
8181	BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
8182	BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
8183	BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
8184	BUILD_BUG_ON(sizeof(init_cb_t) != 96);
8185	BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
8186	BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
8187	BUILD_BUG_ON(sizeof(request_t) != 64);
8188	BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
8189	BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
8190	BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
8191	BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
8192	BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
8193	BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
8194	BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
8195	BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
8196	BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
8197	BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
8198	BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
8199	BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
8200	BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2604);
8201	BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
8202	BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
8203	BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
8204	BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
8205	BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
8206	BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
8207	BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
8208	BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
8209	BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
8210	BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
8211	BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
8212	BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
8213	BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
8214	BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
8215	BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
8216	BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
8217	BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
8218	BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
8219	BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
8220	BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
8221	BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
8222	BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
8223	BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
8224	BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
8225	BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
8226	BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
8227	BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
8228	BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
8229	BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
8230	BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
8231	BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
8232	BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
8233	BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
8234	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
8235	BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
8236	BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
8237	BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
8238	BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
8239	BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
8240	BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
8241	BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
8242	BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
8243	BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
8244	BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
8245	BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
8246	BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
8247	BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
8248	BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
8249	BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
8250	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
8251	BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
8252	BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
8253	BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
8254	BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
8255	BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
8256	BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
8257	BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
8258	BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
8259	BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
8260	BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
8261	BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
8262	BUILD_BUG_ON(sizeof(sw_info_t) != 32);
8263	BUILD_BUG_ON(sizeof(target_id_t) != 2);
8264
8265	qla_trace_init();
8266
8267	/* Allocate cache for SRBs. */
8268	srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
8269	    SLAB_HWCACHE_ALIGN, NULL);
8270	if (srb_cachep == NULL) {
8271		ql_log(ql_log_fatal, NULL, 0x0001,
8272		    "Unable to allocate SRB cache...Failing load!.\n");
8273		return -ENOMEM;
8274	}
8275
8276	/* Initialize target kmem_cache and mem_pools */
8277	ret = qlt_init();
8278	if (ret < 0) {
8279		goto destroy_cache;
8280	} else if (ret > 0) {
8281		/*
8282		 * If initiator mode is explictly disabled by qlt_init(),
8283		 * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
8284		 * performing scsi_scan_target() during LOOP UP event.
8285		 */
8286		qla2xxx_transport_functions.disable_target_scan = 1;
8287		qla2xxx_transport_vport_functions.disable_target_scan = 1;
8288	}
8289
8290	/* Derive version string. */
8291	strcpy(qla2x00_version_str, QLA2XXX_VERSION);
8292	if (ql2xextended_error_logging)
8293		strcat(qla2x00_version_str, "-debug");
8294	if (ql2xextended_error_logging == 1)
8295		ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
8296
8297	qla2xxx_transport_template =
8298	    fc_attach_transport(&qla2xxx_transport_functions);
8299	if (!qla2xxx_transport_template) {
8300		ql_log(ql_log_fatal, NULL, 0x0002,
8301		    "fc_attach_transport failed...Failing load!.\n");
8302		ret = -ENODEV;
8303		goto qlt_exit;
8304	}
8305
8306	apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
8307	if (apidev_major < 0) {
8308		ql_log(ql_log_fatal, NULL, 0x0003,
8309		    "Unable to register char device %s.\n", QLA2XXX_APIDEV);
8310	}
8311
8312	qla2xxx_transport_vport_template =
8313	    fc_attach_transport(&qla2xxx_transport_vport_functions);
8314	if (!qla2xxx_transport_vport_template) {
8315		ql_log(ql_log_fatal, NULL, 0x0004,
8316		    "fc_attach_transport vport failed...Failing load!.\n");
8317		ret = -ENODEV;
8318		goto unreg_chrdev;
8319	}
8320	ql_log(ql_log_info, NULL, 0x0005,
8321	    "QLogic Fibre Channel HBA Driver: %s.\n",
8322	    qla2x00_version_str);
8323	ret = pci_register_driver(&qla2xxx_pci_driver);
8324	if (ret) {
8325		ql_log(ql_log_fatal, NULL, 0x0006,
8326		    "pci_register_driver failed...ret=%d Failing load!.\n",
8327		    ret);
8328		goto release_vport_transport;
8329	}
8330	return ret;
8331
8332release_vport_transport:
8333	fc_release_transport(qla2xxx_transport_vport_template);
8334
8335unreg_chrdev:
8336	if (apidev_major >= 0)
8337		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8338	fc_release_transport(qla2xxx_transport_template);
8339
8340qlt_exit:
8341	qlt_exit();
8342
8343destroy_cache:
8344	kmem_cache_destroy(srb_cachep);
8345
8346	qla_trace_uninit();
8347	return ret;
8348}
8349
8350/**
8351 * qla2x00_module_exit - Module cleanup.
8352 **/
8353static void __exit
8354qla2x00_module_exit(void)
8355{
8356	pci_unregister_driver(&qla2xxx_pci_driver);
8357	qla2x00_release_firmware();
8358	kmem_cache_destroy(ctx_cachep);
8359	fc_release_transport(qla2xxx_transport_vport_template);
8360	if (apidev_major >= 0)
8361		unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
8362	fc_release_transport(qla2xxx_transport_template);
8363	qlt_exit();
8364	kmem_cache_destroy(srb_cachep);
8365	qla_trace_uninit();
8366}
8367
8368module_init(qla2x00_module_init);
8369module_exit(qla2x00_module_exit);
8370
8371MODULE_AUTHOR("QLogic Corporation");
8372MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
8373MODULE_LICENSE("GPL");
8374MODULE_FIRMWARE(FW_FILE_ISP21XX);
8375MODULE_FIRMWARE(FW_FILE_ISP22XX);
8376MODULE_FIRMWARE(FW_FILE_ISP2300);
8377MODULE_FIRMWARE(FW_FILE_ISP2322);
8378MODULE_FIRMWARE(FW_FILE_ISP24XX);
8379MODULE_FIRMWARE(FW_FILE_ISP25XX);
8380