3bd956d3bc5d9597f92b612c8aa27f3c73f6fca0
[sfrench/cifs-2.6.git] / drivers / scsi / qla2xxx / qla_os.c
1 /*
2  * QLogic Fibre Channel HBA Driver
3  * Copyright (c)  2003-2014 QLogic Corporation
4  *
5  * See LICENSE.qla2xxx for copyright and licensing details.
6  */
7 #include "qla_def.h"
8
9 #include <linux/moduleparam.h>
10 #include <linux/vmalloc.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/mutex.h>
14 #include <linux/kobject.h>
15 #include <linux/slab.h>
16 #include <linux/blk-mq-pci.h>
17 #include <scsi/scsi_tcq.h>
18 #include <scsi/scsicam.h>
19 #include <scsi/scsi_transport.h>
20 #include <scsi/scsi_transport_fc.h>
21
22 #include "qla_target.h"
23
24 /*
25  * Driver version
26  */
27 char qla2x00_version_str[40];
28
29 static int apidev_major;
30
31 /*
32  * SRB allocation cache
33  */
34 struct kmem_cache *srb_cachep;
35
36 /*
37  * CT6 CTX allocation cache
38  */
39 static struct kmem_cache *ctx_cachep;
40 /*
41  * error level for logging
42  */
43 int ql_errlev = ql_log_all;
44
45 static int ql2xenableclass2;
46 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
47 MODULE_PARM_DESC(ql2xenableclass2,
48                 "Specify if Class 2 operations are supported from the very "
49                 "beginning. Default is 0 - class 2 not supported.");
50
51
52 int ql2xlogintimeout = 20;
53 module_param(ql2xlogintimeout, int, S_IRUGO);
54 MODULE_PARM_DESC(ql2xlogintimeout,
55                 "Login timeout value in seconds.");
56
57 int qlport_down_retry;
58 module_param(qlport_down_retry, int, S_IRUGO);
59 MODULE_PARM_DESC(qlport_down_retry,
60                 "Maximum number of command retries to a port that returns "
61                 "a PORT-DOWN status.");
62
63 int ql2xplogiabsentdevice;
64 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
65 MODULE_PARM_DESC(ql2xplogiabsentdevice,
66                 "Option to enable PLOGI to devices that are not present after "
67                 "a Fabric scan.  This is needed for several broken switches. "
68                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
69
70 int ql2xloginretrycount = 0;
71 module_param(ql2xloginretrycount, int, S_IRUGO);
72 MODULE_PARM_DESC(ql2xloginretrycount,
73                 "Specify an alternate value for the NVRAM login retry count.");
74
75 int ql2xallocfwdump = 1;
76 module_param(ql2xallocfwdump, int, S_IRUGO);
77 MODULE_PARM_DESC(ql2xallocfwdump,
78                 "Option to enable allocation of memory for a firmware dump "
79                 "during HBA initialization.  Memory allocation requirements "
80                 "vary by ISP type.  Default is 1 - allocate memory.");
81
82 int ql2xextended_error_logging;
83 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
84 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
85 MODULE_PARM_DESC(ql2xextended_error_logging,
86                 "Option to enable extended error logging,\n"
87                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
88                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
89                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
90                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
91                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
92                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
93                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
94                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
95                 "\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
96                 "\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
97                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
98                 "\t\t0x1e400000 - Preferred value for capturing essential "
99                 "debug information (equivalent to old "
100                 "ql2xextended_error_logging=1).\n"
101                 "\t\tDo LOGICAL OR of the value to enable more than one level");
102
103 int ql2xshiftctondsd = 6;
104 module_param(ql2xshiftctondsd, int, S_IRUGO);
105 MODULE_PARM_DESC(ql2xshiftctondsd,
106                 "Set to control shifting of command type processing "
107                 "based on total number of SG elements.");
108
109 int ql2xfdmienable=1;
110 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
111 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
112 MODULE_PARM_DESC(ql2xfdmienable,
113                 "Enables FDMI registrations. "
114                 "0 - no FDMI. Default is 1 - perform FDMI.");
115
116 #define MAX_Q_DEPTH     64
117 static int ql2xmaxqdepth = MAX_Q_DEPTH;
118 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
119 MODULE_PARM_DESC(ql2xmaxqdepth,
120                 "Maximum queue depth to set for each LUN. "
121                 "Default is 64.");
122
123 #if (IS_ENABLED(CONFIG_NVME_FC))
124 int ql2xenabledif;
125 #else
126 int ql2xenabledif = 2;
127 #endif
128 module_param(ql2xenabledif, int, S_IRUGO);
129 MODULE_PARM_DESC(ql2xenabledif,
130                 " Enable T10-CRC-DIF:\n"
131                 " Default is 2.\n"
132                 "  0 -- No DIF Support\n"
133                 "  1 -- Enable DIF for all types\n"
134                 "  2 -- Enable DIF for all types, except Type 0.\n");
135
136 #if (IS_ENABLED(CONFIG_NVME_FC))
137 int ql2xnvmeenable = 1;
138 #else
139 int ql2xnvmeenable;
140 #endif
141 module_param(ql2xnvmeenable, int, 0644);
142 MODULE_PARM_DESC(ql2xnvmeenable,
143     "Enables NVME support. "
144     "0 - no NVMe.  Default is Y");
145
146 int ql2xenablehba_err_chk = 2;
147 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
148 MODULE_PARM_DESC(ql2xenablehba_err_chk,
149                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
150                 " Default is 2.\n"
151                 "  0 -- Error isolation disabled\n"
152                 "  1 -- Error isolation enabled only for DIX Type 0\n"
153                 "  2 -- Error isolation enabled for all Types\n");
154
155 int ql2xiidmaenable=1;
156 module_param(ql2xiidmaenable, int, S_IRUGO);
157 MODULE_PARM_DESC(ql2xiidmaenable,
158                 "Enables iIDMA settings "
159                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
160
161 int ql2xmqsupport = 1;
162 module_param(ql2xmqsupport, int, S_IRUGO);
163 MODULE_PARM_DESC(ql2xmqsupport,
164                 "Enable on demand multiple queue pairs support "
165                 "Default is 1 for supported. "
166                 "Set it to 0 to turn off mq qpair support.");
167
168 int ql2xfwloadbin;
169 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
170 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
171 MODULE_PARM_DESC(ql2xfwloadbin,
172                 "Option to specify location from which to load ISP firmware:.\n"
173                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
174                 "      interface.\n"
175                 " 1 -- load firmware from flash.\n"
176                 " 0 -- use default semantics.\n");
177
178 int ql2xetsenable;
179 module_param(ql2xetsenable, int, S_IRUGO);
180 MODULE_PARM_DESC(ql2xetsenable,
181                 "Enables firmware ETS burst."
182                 "Default is 0 - skip ETS enablement.");
183
184 int ql2xdbwr = 1;
185 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
186 MODULE_PARM_DESC(ql2xdbwr,
187                 "Option to specify scheme for request queue posting.\n"
188                 " 0 -- Regular doorbell.\n"
189                 " 1 -- CAMRAM doorbell (faster).\n");
190
191 int ql2xtargetreset = 1;
192 module_param(ql2xtargetreset, int, S_IRUGO);
193 MODULE_PARM_DESC(ql2xtargetreset,
194                  "Enable target reset."
195                  "Default is 1 - use hw defaults.");
196
197 int ql2xgffidenable;
198 module_param(ql2xgffidenable, int, S_IRUGO);
199 MODULE_PARM_DESC(ql2xgffidenable,
200                 "Enables GFF_ID checks of port type. "
201                 "Default is 0 - Do not use GFF_ID information.");
202
203 int ql2xasynctmfenable = 1;
204 module_param(ql2xasynctmfenable, int, S_IRUGO);
205 MODULE_PARM_DESC(ql2xasynctmfenable,
206                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
207                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
208
209 int ql2xdontresethba;
210 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
211 MODULE_PARM_DESC(ql2xdontresethba,
212                 "Option to specify reset behaviour.\n"
213                 " 0 (Default) -- Reset on failure.\n"
214                 " 1 -- Do not reset on failure.\n");
215
216 uint64_t ql2xmaxlun = MAX_LUNS;
217 module_param(ql2xmaxlun, ullong, S_IRUGO);
218 MODULE_PARM_DESC(ql2xmaxlun,
219                 "Defines the maximum LU number to register with the SCSI "
220                 "midlayer. Default is 65535.");
221
222 int ql2xmdcapmask = 0x1F;
223 module_param(ql2xmdcapmask, int, S_IRUGO);
224 MODULE_PARM_DESC(ql2xmdcapmask,
225                 "Set the Minidump driver capture mask level. "
226                 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
227
228 int ql2xmdenable = 1;
229 module_param(ql2xmdenable, int, S_IRUGO);
230 MODULE_PARM_DESC(ql2xmdenable,
231                 "Enable/disable MiniDump. "
232                 "0 - MiniDump disabled. "
233                 "1 (Default) - MiniDump enabled.");
234
235 int ql2xexlogins = 0;
236 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
237 MODULE_PARM_DESC(ql2xexlogins,
238                  "Number of extended Logins. "
239                  "0 (Default)- Disabled.");
240
241 int ql2xexchoffld = 1024;
242 module_param(ql2xexchoffld, uint, 0644);
243 MODULE_PARM_DESC(ql2xexchoffld,
244         "Number of target exchanges.");
245
246 int ql2xiniexchg = 1024;
247 module_param(ql2xiniexchg, uint, 0644);
248 MODULE_PARM_DESC(ql2xiniexchg,
249         "Number of initiator exchanges.");
250
251 int ql2xfwholdabts = 0;
252 module_param(ql2xfwholdabts, int, S_IRUGO);
253 MODULE_PARM_DESC(ql2xfwholdabts,
254                 "Allow FW to hold status IOCB until ABTS rsp received. "
255                 "0 (Default) Do not set fw option. "
256                 "1 - Set fw option to hold ABTS.");
257
258 int ql2xmvasynctoatio = 1;
259 module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
260 MODULE_PARM_DESC(ql2xmvasynctoatio,
261                 "Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
262                 "0 (Default). Do not move IOCBs"
263                 "1 - Move IOCBs.");
264
265 int ql2xautodetectsfp = 1;
266 module_param(ql2xautodetectsfp, int, 0444);
267 MODULE_PARM_DESC(ql2xautodetectsfp,
268                  "Detect SFP range and set appropriate distance.\n"
269                  "1 (Default): Enable\n");
270
271 /*
272  * SCSI host template entry points
273  */
274 static int qla2xxx_slave_configure(struct scsi_device * device);
275 static int qla2xxx_slave_alloc(struct scsi_device *);
276 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
277 static void qla2xxx_scan_start(struct Scsi_Host *);
278 static void qla2xxx_slave_destroy(struct scsi_device *);
279 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
280 static int qla2xxx_eh_abort(struct scsi_cmnd *);
281 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
282 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
283 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
284 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
285
286 static void qla2x00_clear_drv_active(struct qla_hw_data *);
287 static void qla2x00_free_device(scsi_qla_host_t *);
288 static void qla83xx_disable_laser(scsi_qla_host_t *vha);
289 static int qla2xxx_map_queues(struct Scsi_Host *shost);
290 static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
291
292 struct scsi_host_template qla2xxx_driver_template = {
293         .module                 = THIS_MODULE,
294         .name                   = QLA2XXX_DRIVER_NAME,
295         .queuecommand           = qla2xxx_queuecommand,
296
297         .eh_timed_out           = fc_eh_timed_out,
298         .eh_abort_handler       = qla2xxx_eh_abort,
299         .eh_device_reset_handler = qla2xxx_eh_device_reset,
300         .eh_target_reset_handler = qla2xxx_eh_target_reset,
301         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
302         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
303
304         .slave_configure        = qla2xxx_slave_configure,
305
306         .slave_alloc            = qla2xxx_slave_alloc,
307         .slave_destroy          = qla2xxx_slave_destroy,
308         .scan_finished          = qla2xxx_scan_finished,
309         .scan_start             = qla2xxx_scan_start,
310         .change_queue_depth     = scsi_change_queue_depth,
311         .map_queues             = qla2xxx_map_queues,
312         .this_id                = -1,
313         .cmd_per_lun            = 3,
314         .use_clustering         = ENABLE_CLUSTERING,
315         .sg_tablesize           = SG_ALL,
316
317         .max_sectors            = 0xFFFF,
318         .shost_attrs            = qla2x00_host_attrs,
319
320         .supported_mode         = MODE_INITIATOR,
321         .track_queue_depth      = 1,
322 };
323
324 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
325 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
326
327 /* TODO Convert to inlines
328  *
329  * Timer routines
330  */
331
332 __inline__ void
333 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
334 {
335         init_timer(&vha->timer);
336         vha->timer.expires = jiffies + interval * HZ;
337         vha->timer.data = (unsigned long)vha;
338         vha->timer.function = (void (*)(unsigned long))func;
339         add_timer(&vha->timer);
340         vha->timer_active = 1;
341 }
342
343 static inline void
344 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
345 {
346         /* Currently used for 82XX only. */
347         if (vha->device_flags & DFLG_DEV_FAILED) {
348                 ql_dbg(ql_dbg_timer, vha, 0x600d,
349                     "Device in a failed state, returning.\n");
350                 return;
351         }
352
353         mod_timer(&vha->timer, jiffies + interval * HZ);
354 }
355
356 static __inline__ void
357 qla2x00_stop_timer(scsi_qla_host_t *vha)
358 {
359         del_timer_sync(&vha->timer);
360         vha->timer_active = 0;
361 }
362
363 static int qla2x00_do_dpc(void *data);
364
365 static void qla2x00_rst_aen(scsi_qla_host_t *);
366
367 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
368         struct req_que **, struct rsp_que **);
369 static void qla2x00_free_fw_dump(struct qla_hw_data *);
370 static void qla2x00_mem_free(struct qla_hw_data *);
371 int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
372         struct qla_qpair *qpair);
373
374 /* -------------------------------------------------------------------------- */
375 static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
376     struct rsp_que *rsp)
377 {
378         struct qla_hw_data *ha = vha->hw;
379         rsp->qpair = ha->base_qpair;
380         rsp->req = req;
381         ha->base_qpair->req = req;
382         ha->base_qpair->rsp = rsp;
383         ha->base_qpair->vha = vha;
384         ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
385         ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
386         ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
387         INIT_LIST_HEAD(&ha->base_qpair->hints_list);
388         INIT_LIST_HEAD(&ha->base_qpair->nvme_done_list);
389         ha->base_qpair->enable_class_2 = ql2xenableclass2;
390         /* init qpair to this cpu. Will adjust at run time. */
391         qla_cpu_update(rsp->qpair, smp_processor_id());
392         ha->base_qpair->pdev = ha->pdev;
393
394         if (IS_QLA27XX(ha) || IS_QLA83XX(ha))
395                 ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
396 }
397
398 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
399                                 struct rsp_que *rsp)
400 {
401         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
402         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
403                                 GFP_KERNEL);
404         if (!ha->req_q_map) {
405                 ql_log(ql_log_fatal, vha, 0x003b,
406                     "Unable to allocate memory for request queue ptrs.\n");
407                 goto fail_req_map;
408         }
409
410         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
411                                 GFP_KERNEL);
412         if (!ha->rsp_q_map) {
413                 ql_log(ql_log_fatal, vha, 0x003c,
414                     "Unable to allocate memory for response queue ptrs.\n");
415                 goto fail_rsp_map;
416         }
417
418         ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
419         if (ha->base_qpair == NULL) {
420                 ql_log(ql_log_warn, vha, 0x00e0,
421                     "Failed to allocate base queue pair memory.\n");
422                 goto fail_base_qpair;
423         }
424
425         qla_init_base_qpair(vha, req, rsp);
426
427         if (ql2xmqsupport && ha->max_qpairs) {
428                 ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
429                         GFP_KERNEL);
430                 if (!ha->queue_pair_map) {
431                         ql_log(ql_log_fatal, vha, 0x0180,
432                             "Unable to allocate memory for queue pair ptrs.\n");
433                         goto fail_qpair_map;
434                 }
435         }
436
437         /*
438          * Make sure we record at least the request and response queue zero in
439          * case we need to free them if part of the probe fails.
440          */
441         ha->rsp_q_map[0] = rsp;
442         ha->req_q_map[0] = req;
443         set_bit(0, ha->rsp_qid_map);
444         set_bit(0, ha->req_qid_map);
445         return 1;
446
447 fail_qpair_map:
448         kfree(ha->base_qpair);
449         ha->base_qpair = NULL;
450 fail_base_qpair:
451         kfree(ha->rsp_q_map);
452         ha->rsp_q_map = NULL;
453 fail_rsp_map:
454         kfree(ha->req_q_map);
455         ha->req_q_map = NULL;
456 fail_req_map:
457         return -ENOMEM;
458 }
459
460 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
461 {
462         if (IS_QLAFX00(ha)) {
463                 if (req && req->ring_fx00)
464                         dma_free_coherent(&ha->pdev->dev,
465                             (req->length_fx00 + 1) * sizeof(request_t),
466                             req->ring_fx00, req->dma_fx00);
467         } else if (req && req->ring)
468                 dma_free_coherent(&ha->pdev->dev,
469                 (req->length + 1) * sizeof(request_t),
470                 req->ring, req->dma);
471
472         if (req)
473                 kfree(req->outstanding_cmds);
474
475         kfree(req);
476 }
477
478 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
479 {
480         if (IS_QLAFX00(ha)) {
481                 if (rsp && rsp->ring)
482                         dma_free_coherent(&ha->pdev->dev,
483                             (rsp->length_fx00 + 1) * sizeof(request_t),
484                             rsp->ring_fx00, rsp->dma_fx00);
485         } else if (rsp && rsp->ring) {
486                 dma_free_coherent(&ha->pdev->dev,
487                 (rsp->length + 1) * sizeof(response_t),
488                 rsp->ring, rsp->dma);
489         }
490         kfree(rsp);
491 }
492
493 static void qla2x00_free_queues(struct qla_hw_data *ha)
494 {
495         struct req_que *req;
496         struct rsp_que *rsp;
497         int cnt;
498         unsigned long flags;
499
500         if (ha->queue_pair_map) {
501                 kfree(ha->queue_pair_map);
502                 ha->queue_pair_map = NULL;
503         }
504         if (ha->base_qpair) {
505                 kfree(ha->base_qpair);
506                 ha->base_qpair = NULL;
507         }
508
509         spin_lock_irqsave(&ha->hardware_lock, flags);
510         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
511                 if (!test_bit(cnt, ha->req_qid_map))
512                         continue;
513
514                 req = ha->req_q_map[cnt];
515                 clear_bit(cnt, ha->req_qid_map);
516                 ha->req_q_map[cnt] = NULL;
517
518                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
519                 qla2x00_free_req_que(ha, req);
520                 spin_lock_irqsave(&ha->hardware_lock, flags);
521         }
522         spin_unlock_irqrestore(&ha->hardware_lock, flags);
523
524         kfree(ha->req_q_map);
525         ha->req_q_map = NULL;
526
527
528         spin_lock_irqsave(&ha->hardware_lock, flags);
529         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
530                 if (!test_bit(cnt, ha->rsp_qid_map))
531                         continue;
532
533                 rsp = ha->rsp_q_map[cnt];
534                 clear_bit(cnt, ha->rsp_qid_map);
535                 ha->rsp_q_map[cnt] =  NULL;
536                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
537                 qla2x00_free_rsp_que(ha, rsp);
538                 spin_lock_irqsave(&ha->hardware_lock, flags);
539         }
540         spin_unlock_irqrestore(&ha->hardware_lock, flags);
541
542         kfree(ha->rsp_q_map);
543         ha->rsp_q_map = NULL;
544 }
545
546 static char *
547 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
548 {
549         struct qla_hw_data *ha = vha->hw;
550         static char *pci_bus_modes[] = {
551                 "33", "66", "100", "133",
552         };
553         uint16_t pci_bus;
554
555         strcpy(str, "PCI");
556         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
557         if (pci_bus) {
558                 strcat(str, "-X (");
559                 strcat(str, pci_bus_modes[pci_bus]);
560         } else {
561                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
562                 strcat(str, " (");
563                 strcat(str, pci_bus_modes[pci_bus]);
564         }
565         strcat(str, " MHz)");
566
567         return (str);
568 }
569
570 static char *
571 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
572 {
573         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
574         struct qla_hw_data *ha = vha->hw;
575         uint32_t pci_bus;
576
577         if (pci_is_pcie(ha->pdev)) {
578                 char lwstr[6];
579                 uint32_t lstat, lspeed, lwidth;
580
581                 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
582                 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
583                 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
584
585                 strcpy(str, "PCIe (");
586                 switch (lspeed) {
587                 case 1:
588                         strcat(str, "2.5GT/s ");
589                         break;
590                 case 2:
591                         strcat(str, "5.0GT/s ");
592                         break;
593                 case 3:
594                         strcat(str, "8.0GT/s ");
595                         break;
596                 default:
597                         strcat(str, "<unknown> ");
598                         break;
599                 }
600                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
601                 strcat(str, lwstr);
602
603                 return str;
604         }
605
606         strcpy(str, "PCI");
607         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
608         if (pci_bus == 0 || pci_bus == 8) {
609                 strcat(str, " (");
610                 strcat(str, pci_bus_modes[pci_bus >> 3]);
611         } else {
612                 strcat(str, "-X ");
613                 if (pci_bus & BIT_2)
614                         strcat(str, "Mode 2");
615                 else
616                         strcat(str, "Mode 1");
617                 strcat(str, " (");
618                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
619         }
620         strcat(str, " MHz)");
621
622         return str;
623 }
624
625 static char *
626 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
627 {
628         char un_str[10];
629         struct qla_hw_data *ha = vha->hw;
630
631         snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
632             ha->fw_minor_version, ha->fw_subminor_version);
633
634         if (ha->fw_attributes & BIT_9) {
635                 strcat(str, "FLX");
636                 return (str);
637         }
638
639         switch (ha->fw_attributes & 0xFF) {
640         case 0x7:
641                 strcat(str, "EF");
642                 break;
643         case 0x17:
644                 strcat(str, "TP");
645                 break;
646         case 0x37:
647                 strcat(str, "IP");
648                 break;
649         case 0x77:
650                 strcat(str, "VI");
651                 break;
652         default:
653                 sprintf(un_str, "(%x)", ha->fw_attributes);
654                 strcat(str, un_str);
655                 break;
656         }
657         if (ha->fw_attributes & 0x100)
658                 strcat(str, "X");
659
660         return (str);
661 }
662
663 static char *
664 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
665 {
666         struct qla_hw_data *ha = vha->hw;
667
668         snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
669             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
670         return str;
671 }
672
673 void
674 qla2x00_sp_free_dma(void *ptr)
675 {
676         srb_t *sp = ptr;
677         struct qla_hw_data *ha = sp->vha->hw;
678         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
679         void *ctx = GET_CMD_CTX_SP(sp);
680
681         if (sp->flags & SRB_DMA_VALID) {
682                 scsi_dma_unmap(cmd);
683                 sp->flags &= ~SRB_DMA_VALID;
684         }
685
686         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
687                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
688                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
689                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
690         }
691
692         if (!ctx)
693                 goto end;
694
695         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
696                 /* List assured to be having elements */
697                 qla2x00_clean_dsd_pool(ha, ctx);
698                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
699         }
700
701         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
702                 struct crc_context *ctx0 = ctx;
703
704                 dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
705                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
706         }
707
708         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
709                 struct ct6_dsd *ctx1 = ctx;
710
711                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
712                     ctx1->fcp_cmnd_dma);
713                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
714                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
715                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
716                 mempool_free(ctx1, ha->ctx_mempool);
717         }
718
719 end:
720         if (sp->type != SRB_NVME_CMD && sp->type != SRB_NVME_LS) {
721                 CMD_SP(cmd) = NULL;
722                 qla2x00_rel_sp(sp);
723         }
724 }
725
726 void
727 qla2x00_sp_compl(void *ptr, int res)
728 {
729         srb_t *sp = ptr;
730         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
731
732         cmd->result = res;
733
734         if (atomic_read(&sp->ref_count) == 0) {
735                 ql_dbg(ql_dbg_io, sp->vha, 0x3015,
736                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
737                     sp, GET_CMD_SP(sp));
738                 if (ql2xextended_error_logging & ql_dbg_io)
739                         WARN_ON(atomic_read(&sp->ref_count) == 0);
740                 return;
741         }
742         if (!atomic_dec_and_test(&sp->ref_count))
743                 return;
744
745         sp->free(sp);
746         cmd->scsi_done(cmd);
747 }
748
749 void
750 qla2xxx_qpair_sp_free_dma(void *ptr)
751 {
752         srb_t *sp = (srb_t *)ptr;
753         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
754         struct qla_hw_data *ha = sp->fcport->vha->hw;
755         void *ctx = GET_CMD_CTX_SP(sp);
756
757         if (sp->flags & SRB_DMA_VALID) {
758                 scsi_dma_unmap(cmd);
759                 sp->flags &= ~SRB_DMA_VALID;
760         }
761
762         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
763                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
764                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
765                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
766         }
767
768         if (!ctx)
769                 goto end;
770
771         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
772                 /* List assured to be having elements */
773                 qla2x00_clean_dsd_pool(ha, ctx);
774                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
775         }
776
777         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
778                 struct crc_context *ctx0 = ctx;
779
780                 dma_pool_free(ha->dl_dma_pool, ctx, ctx0->crc_ctx_dma);
781                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
782         }
783
784         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
785                 struct ct6_dsd *ctx1 = ctx;
786                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
787                     ctx1->fcp_cmnd_dma);
788                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
789                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
790                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
791                 mempool_free(ctx1, ha->ctx_mempool);
792         }
793 end:
794         CMD_SP(cmd) = NULL;
795         qla2xxx_rel_qpair_sp(sp->qpair, sp);
796 }
797
798 void
799 qla2xxx_qpair_sp_compl(void *ptr, int res)
800 {
801         srb_t *sp = ptr;
802         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
803
804         cmd->result = res;
805
806         if (atomic_read(&sp->ref_count) == 0) {
807                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3079,
808                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
809                     sp, GET_CMD_SP(sp));
810                 if (ql2xextended_error_logging & ql_dbg_io)
811                         WARN_ON(atomic_read(&sp->ref_count) == 0);
812                 return;
813         }
814         if (!atomic_dec_and_test(&sp->ref_count))
815                 return;
816
817         sp->free(sp);
818         cmd->scsi_done(cmd);
819 }
820
821 /* If we are SP1 here, we need to still take and release the host_lock as SP1
822  * does not have the changes necessary to avoid taking host->host_lock.
823  */
824 static int
825 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
826 {
827         scsi_qla_host_t *vha = shost_priv(host);
828         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
829         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
830         struct qla_hw_data *ha = vha->hw;
831         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
832         srb_t *sp;
833         int rval;
834         struct qla_qpair *qpair = NULL;
835         uint32_t tag;
836         uint16_t hwq;
837
838         if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
839                 cmd->result = DID_NO_CONNECT << 16;
840                 goto qc24_fail_command;
841         }
842
843         if (ha->mqenable) {
844                 if (shost_use_blk_mq(vha->host)) {
845                         tag = blk_mq_unique_tag(cmd->request);
846                         hwq = blk_mq_unique_tag_to_hwq(tag);
847                         qpair = ha->queue_pair_map[hwq];
848                 } else if (vha->vp_idx && vha->qpair) {
849                         qpair = vha->qpair;
850                 }
851
852                 if (qpair)
853                         return qla2xxx_mqueuecommand(host, cmd, qpair);
854         }
855
856         if (ha->flags.eeh_busy) {
857                 if (ha->flags.pci_channel_io_perm_failure) {
858                         ql_dbg(ql_dbg_aer, vha, 0x9010,
859                             "PCI Channel IO permanent failure, exiting "
860                             "cmd=%p.\n", cmd);
861                         cmd->result = DID_NO_CONNECT << 16;
862                 } else {
863                         ql_dbg(ql_dbg_aer, vha, 0x9011,
864                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
865                         cmd->result = DID_REQUEUE << 16;
866                 }
867                 goto qc24_fail_command;
868         }
869
870         rval = fc_remote_port_chkready(rport);
871         if (rval) {
872                 cmd->result = rval;
873                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
874                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
875                     cmd, rval);
876                 goto qc24_fail_command;
877         }
878
879         if (!vha->flags.difdix_supported &&
880                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
881                         ql_dbg(ql_dbg_io, vha, 0x3004,
882                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
883                             cmd);
884                         cmd->result = DID_NO_CONNECT << 16;
885                         goto qc24_fail_command;
886         }
887
888         if (!fcport) {
889                 cmd->result = DID_NO_CONNECT << 16;
890                 goto qc24_fail_command;
891         }
892
893         if (atomic_read(&fcport->state) != FCS_ONLINE) {
894                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
895                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
896                         ql_dbg(ql_dbg_io, vha, 0x3005,
897                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
898                             atomic_read(&fcport->state),
899                             atomic_read(&base_vha->loop_state));
900                         cmd->result = DID_NO_CONNECT << 16;
901                         goto qc24_fail_command;
902                 }
903                 goto qc24_target_busy;
904         }
905
906         /*
907          * Return target busy if we've received a non-zero retry_delay_timer
908          * in a FCP_RSP.
909          */
910         if (fcport->retry_delay_timestamp == 0) {
911                 /* retry delay not set */
912         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
913                 fcport->retry_delay_timestamp = 0;
914         else
915                 goto qc24_target_busy;
916
917         sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
918         if (!sp)
919                 goto qc24_host_busy;
920
921         sp->u.scmd.cmd = cmd;
922         sp->type = SRB_SCSI_CMD;
923         atomic_set(&sp->ref_count, 1);
924         CMD_SP(cmd) = (void *)sp;
925         sp->free = qla2x00_sp_free_dma;
926         sp->done = qla2x00_sp_compl;
927
928         rval = ha->isp_ops->start_scsi(sp);
929         if (rval != QLA_SUCCESS) {
930                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
931                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
932                 goto qc24_host_busy_free_sp;
933         }
934
935         return 0;
936
937 qc24_host_busy_free_sp:
938         sp->free(sp);
939
940 qc24_host_busy:
941         return SCSI_MLQUEUE_HOST_BUSY;
942
943 qc24_target_busy:
944         return SCSI_MLQUEUE_TARGET_BUSY;
945
946 qc24_fail_command:
947         cmd->scsi_done(cmd);
948
949         return 0;
950 }
951
952 /* For MQ supported I/O */
953 int
954 qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
955     struct qla_qpair *qpair)
956 {
957         scsi_qla_host_t *vha = shost_priv(host);
958         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
959         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
960         struct qla_hw_data *ha = vha->hw;
961         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
962         srb_t *sp;
963         int rval;
964
965         rval = fc_remote_port_chkready(rport);
966         if (rval) {
967                 cmd->result = rval;
968                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
969                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
970                     cmd, rval);
971                 goto qc24_fail_command;
972         }
973
974         if (!fcport) {
975                 cmd->result = DID_NO_CONNECT << 16;
976                 goto qc24_fail_command;
977         }
978
979         if (atomic_read(&fcport->state) != FCS_ONLINE) {
980                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
981                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
982                         ql_dbg(ql_dbg_io, vha, 0x3077,
983                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
984                             atomic_read(&fcport->state),
985                             atomic_read(&base_vha->loop_state));
986                         cmd->result = DID_NO_CONNECT << 16;
987                         goto qc24_fail_command;
988                 }
989                 goto qc24_target_busy;
990         }
991
992         /*
993          * Return target busy if we've received a non-zero retry_delay_timer
994          * in a FCP_RSP.
995          */
996         if (fcport->retry_delay_timestamp == 0) {
997                 /* retry delay not set */
998         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
999                 fcport->retry_delay_timestamp = 0;
1000         else
1001                 goto qc24_target_busy;
1002
1003         sp = qla2xxx_get_qpair_sp(qpair, fcport, GFP_ATOMIC);
1004         if (!sp)
1005                 goto qc24_host_busy;
1006
1007         sp->u.scmd.cmd = cmd;
1008         sp->type = SRB_SCSI_CMD;
1009         atomic_set(&sp->ref_count, 1);
1010         CMD_SP(cmd) = (void *)sp;
1011         sp->free = qla2xxx_qpair_sp_free_dma;
1012         sp->done = qla2xxx_qpair_sp_compl;
1013         sp->qpair = qpair;
1014
1015         rval = ha->isp_ops->start_scsi_mq(sp);
1016         if (rval != QLA_SUCCESS) {
1017                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
1018                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
1019                 if (rval == QLA_INTERFACE_ERROR)
1020                         goto qc24_fail_command;
1021                 goto qc24_host_busy_free_sp;
1022         }
1023
1024         return 0;
1025
1026 qc24_host_busy_free_sp:
1027         sp->free(sp);
1028
1029 qc24_host_busy:
1030         return SCSI_MLQUEUE_HOST_BUSY;
1031
1032 qc24_target_busy:
1033         return SCSI_MLQUEUE_TARGET_BUSY;
1034
1035 qc24_fail_command:
1036         cmd->scsi_done(cmd);
1037
1038         return 0;
1039 }
1040
1041 /*
1042  * qla2x00_eh_wait_on_command
1043  *    Waits for the command to be returned by the Firmware for some
1044  *    max time.
1045  *
1046  * Input:
1047  *    cmd = Scsi Command to wait on.
1048  *
1049  * Return:
1050  *    Not Found : 0
1051  *    Found : 1
1052  */
1053 static int
1054 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
1055 {
1056 #define ABORT_POLLING_PERIOD    1000
1057 #define ABORT_WAIT_ITER         ((2 * 1000) / (ABORT_POLLING_PERIOD))
1058         unsigned long wait_iter = ABORT_WAIT_ITER;
1059         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1060         struct qla_hw_data *ha = vha->hw;
1061         int ret = QLA_SUCCESS;
1062
1063         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
1064                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
1065                     "Return:eh_wait.\n");
1066                 return ret;
1067         }
1068
1069         while (CMD_SP(cmd) && wait_iter--) {
1070                 msleep(ABORT_POLLING_PERIOD);
1071         }
1072         if (CMD_SP(cmd))
1073                 ret = QLA_FUNCTION_FAILED;
1074
1075         return ret;
1076 }
1077
1078 /*
1079  * qla2x00_wait_for_hba_online
1080  *    Wait till the HBA is online after going through
1081  *    <= MAX_RETRIES_OF_ISP_ABORT  or
1082  *    finally HBA is disabled ie marked offline
1083  *
1084  * Input:
1085  *     ha - pointer to host adapter structure
1086  *
1087  * Note:
1088  *    Does context switching-Release SPIN_LOCK
1089  *    (if any) before calling this routine.
1090  *
1091  * Return:
1092  *    Success (Adapter is online) : 0
1093  *    Failed  (Adapter is offline/disabled) : 1
1094  */
1095 int
1096 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
1097 {
1098         int             return_status;
1099         unsigned long   wait_online;
1100         struct qla_hw_data *ha = vha->hw;
1101         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1102
1103         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1104         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1105             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1106             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1107             ha->dpc_active) && time_before(jiffies, wait_online)) {
1108
1109                 msleep(1000);
1110         }
1111         if (base_vha->flags.online)
1112                 return_status = QLA_SUCCESS;
1113         else
1114                 return_status = QLA_FUNCTION_FAILED;
1115
1116         return (return_status);
1117 }
1118
1119 static inline int test_fcport_count(scsi_qla_host_t *vha)
1120 {
1121         struct qla_hw_data *ha = vha->hw;
1122         unsigned long flags;
1123         int res;
1124
1125         spin_lock_irqsave(&ha->tgt.sess_lock, flags);
1126         ql_dbg(ql_dbg_init, vha, 0x00ec,
1127             "tgt %p, fcport_count=%d\n",
1128             vha, vha->fcport_count);
1129         res = (vha->fcport_count == 0);
1130         spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
1131
1132         return res;
1133 }
1134
1135 /*
1136  * qla2x00_wait_for_sess_deletion can only be called from remove_one.
1137  * it has dependency on UNLOADING flag to stop device discovery
1138  */
1139 static void
1140 qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
1141 {
1142         qla2x00_mark_all_devices_lost(vha, 0);
1143
1144         wait_event_timeout(vha->fcport_waitQ, test_fcport_count(vha), 10*HZ);
1145 }
1146
1147 /*
1148  * qla2x00_wait_for_hba_ready
1149  * Wait till the HBA is ready before doing driver unload
1150  *
1151  * Input:
1152  *     ha - pointer to host adapter structure
1153  *
1154  * Note:
1155  *    Does context switching-Release SPIN_LOCK
1156  *    (if any) before calling this routine.
1157  *
1158  */
1159 static void
1160 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
1161 {
1162         struct qla_hw_data *ha = vha->hw;
1163         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1164
1165         while ((qla2x00_reset_active(vha) || ha->dpc_active ||
1166                 ha->flags.mbox_busy) ||
1167                test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
1168                test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
1169                 if (test_bit(UNLOADING, &base_vha->dpc_flags))
1170                         break;
1171                 msleep(1000);
1172         }
1173 }
1174
1175 int
1176 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
1177 {
1178         int             return_status;
1179         unsigned long   wait_reset;
1180         struct qla_hw_data *ha = vha->hw;
1181         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1182
1183         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
1184         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
1185             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
1186             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
1187             ha->dpc_active) && time_before(jiffies, wait_reset)) {
1188
1189                 msleep(1000);
1190
1191                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
1192                     ha->flags.chip_reset_done)
1193                         break;
1194         }
1195         if (ha->flags.chip_reset_done)
1196                 return_status = QLA_SUCCESS;
1197         else
1198                 return_status = QLA_FUNCTION_FAILED;
1199
1200         return return_status;
1201 }
1202
1203 static void
1204 sp_get(struct srb *sp)
1205 {
1206         atomic_inc(&sp->ref_count);
1207 }
1208
1209 #define ISP_REG_DISCONNECT 0xffffffffU
1210 /**************************************************************************
1211 * qla2x00_isp_reg_stat
1212 *
1213 * Description:
1214 *       Read the host status register of ISP before aborting the command.
1215 *
1216 * Input:
1217 *       ha = pointer to host adapter structure.
1218 *
1219 *
1220 * Returns:
1221 *       Either true or false.
1222 *
1223 * Note: Return true if there is register disconnect.
1224 **************************************************************************/
1225 static inline
1226 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
1227 {
1228         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1229         struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
1230
1231         if (IS_P3P_TYPE(ha))
1232                 return ((RD_REG_DWORD(&reg82->host_int)) == ISP_REG_DISCONNECT);
1233         else
1234                 return ((RD_REG_DWORD(&reg->host_status)) ==
1235                         ISP_REG_DISCONNECT);
1236 }
1237
1238 /**************************************************************************
1239 * qla2xxx_eh_abort
1240 *
1241 * Description:
1242 *    The abort function will abort the specified command.
1243 *
1244 * Input:
1245 *    cmd = Linux SCSI command packet to be aborted.
1246 *
1247 * Returns:
1248 *    Either SUCCESS or FAILED.
1249 *
1250 * Note:
1251 *    Only return FAILED if command not returned by firmware.
1252 **************************************************************************/
1253 static int
1254 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
1255 {
1256         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1257         srb_t *sp;
1258         int ret;
1259         unsigned int id;
1260         uint64_t lun;
1261         unsigned long flags;
1262         int rval, wait = 0;
1263         struct qla_hw_data *ha = vha->hw;
1264
1265         if (qla2x00_isp_reg_stat(ha)) {
1266                 ql_log(ql_log_info, vha, 0x8042,
1267                     "PCI/Register disconnect, exiting.\n");
1268                 return FAILED;
1269         }
1270         if (!CMD_SP(cmd))
1271                 return SUCCESS;
1272
1273         ret = fc_block_scsi_eh(cmd);
1274         if (ret != 0)
1275                 return ret;
1276         ret = SUCCESS;
1277
1278         id = cmd->device->id;
1279         lun = cmd->device->lun;
1280
1281         spin_lock_irqsave(&ha->hardware_lock, flags);
1282         sp = (srb_t *) CMD_SP(cmd);
1283         if (!sp) {
1284                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1285                 return SUCCESS;
1286         }
1287
1288         ql_dbg(ql_dbg_taskm, vha, 0x8002,
1289             "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1290             vha->host_no, id, lun, sp, cmd, sp->handle);
1291
1292         /* Get a reference to the sp and drop the lock.*/
1293         sp_get(sp);
1294
1295         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1296         rval = ha->isp_ops->abort_command(sp);
1297         if (rval) {
1298                 if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1299                         ret = SUCCESS;
1300                 else
1301                         ret = FAILED;
1302
1303                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
1304                     "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1305         } else {
1306                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
1307                     "Abort command mbx success cmd=%p.\n", cmd);
1308                 wait = 1;
1309         }
1310
1311         spin_lock_irqsave(&ha->hardware_lock, flags);
1312         sp->done(sp, 0);
1313         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1314
1315         /* Did the command return during mailbox execution? */
1316         if (ret == FAILED && !CMD_SP(cmd))
1317                 ret = SUCCESS;
1318
1319         /* Wait for the command to be returned. */
1320         if (wait) {
1321                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1322                         ql_log(ql_log_warn, vha, 0x8006,
1323                             "Abort handler timed out cmd=%p.\n", cmd);
1324                         ret = FAILED;
1325                 }
1326         }
1327
1328         ql_log(ql_log_info, vha, 0x801c,
1329             "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1330             vha->host_no, id, lun, wait, ret);
1331
1332         return ret;
1333 }
1334
1335 int
1336 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1337         uint64_t l, enum nexus_wait_type type)
1338 {
1339         int cnt, match, status;
1340         unsigned long flags;
1341         struct qla_hw_data *ha = vha->hw;
1342         struct req_que *req;
1343         srb_t *sp;
1344         struct scsi_cmnd *cmd;
1345
1346         status = QLA_SUCCESS;
1347
1348         spin_lock_irqsave(&ha->hardware_lock, flags);
1349         req = vha->req;
1350         for (cnt = 1; status == QLA_SUCCESS &&
1351                 cnt < req->num_outstanding_cmds; cnt++) {
1352                 sp = req->outstanding_cmds[cnt];
1353                 if (!sp)
1354                         continue;
1355                 if (sp->type != SRB_SCSI_CMD)
1356                         continue;
1357                 if (vha->vp_idx != sp->vha->vp_idx)
1358                         continue;
1359                 match = 0;
1360                 cmd = GET_CMD_SP(sp);
1361                 switch (type) {
1362                 case WAIT_HOST:
1363                         match = 1;
1364                         break;
1365                 case WAIT_TARGET:
1366                         match = cmd->device->id == t;
1367                         break;
1368                 case WAIT_LUN:
1369                         match = (cmd->device->id == t &&
1370                                 cmd->device->lun == l);
1371                         break;
1372                 }
1373                 if (!match)
1374                         continue;
1375
1376                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1377                 status = qla2x00_eh_wait_on_command(cmd);
1378                 spin_lock_irqsave(&ha->hardware_lock, flags);
1379         }
1380         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1381
1382         return status;
1383 }
1384
1385 static char *reset_errors[] = {
1386         "HBA not online",
1387         "HBA not ready",
1388         "Task management failed",
1389         "Waiting for command completions",
1390 };
1391
1392 static int
1393 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1394     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1395 {
1396         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1397         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1398         int err;
1399
1400         if (!fcport) {
1401                 return FAILED;
1402         }
1403
1404         err = fc_block_scsi_eh(cmd);
1405         if (err != 0)
1406                 return err;
1407
1408         ql_log(ql_log_info, vha, 0x8009,
1409             "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1410             cmd->device->id, cmd->device->lun, cmd);
1411
1412         err = 0;
1413         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1414                 ql_log(ql_log_warn, vha, 0x800a,
1415                     "Wait for hba online failed for cmd=%p.\n", cmd);
1416                 goto eh_reset_failed;
1417         }
1418         err = 2;
1419         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1420                 != QLA_SUCCESS) {
1421                 ql_log(ql_log_warn, vha, 0x800c,
1422                     "do_reset failed for cmd=%p.\n", cmd);
1423                 goto eh_reset_failed;
1424         }
1425         err = 3;
1426         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1427             cmd->device->lun, type) != QLA_SUCCESS) {
1428                 ql_log(ql_log_warn, vha, 0x800d,
1429                     "wait for pending cmds failed for cmd=%p.\n", cmd);
1430                 goto eh_reset_failed;
1431         }
1432
1433         ql_log(ql_log_info, vha, 0x800e,
1434             "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1435             vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1436
1437         return SUCCESS;
1438
1439 eh_reset_failed:
1440         ql_log(ql_log_info, vha, 0x800f,
1441             "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1442             reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1443             cmd);
1444         return FAILED;
1445 }
1446
1447 static int
1448 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1449 {
1450         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1451         struct qla_hw_data *ha = vha->hw;
1452
1453         if (qla2x00_isp_reg_stat(ha)) {
1454                 ql_log(ql_log_info, vha, 0x803e,
1455                     "PCI/Register disconnect, exiting.\n");
1456                 return FAILED;
1457         }
1458
1459         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1460             ha->isp_ops->lun_reset);
1461 }
1462
1463 static int
1464 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1465 {
1466         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1467         struct qla_hw_data *ha = vha->hw;
1468
1469         if (qla2x00_isp_reg_stat(ha)) {
1470                 ql_log(ql_log_info, vha, 0x803f,
1471                     "PCI/Register disconnect, exiting.\n");
1472                 return FAILED;
1473         }
1474
1475         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1476             ha->isp_ops->target_reset);
1477 }
1478
1479 /**************************************************************************
1480 * qla2xxx_eh_bus_reset
1481 *
1482 * Description:
1483 *    The bus reset function will reset the bus and abort any executing
1484 *    commands.
1485 *
1486 * Input:
1487 *    cmd = Linux SCSI command packet of the command that cause the
1488 *          bus reset.
1489 *
1490 * Returns:
1491 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1492 *
1493 **************************************************************************/
1494 static int
1495 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1496 {
1497         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1498         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1499         int ret = FAILED;
1500         unsigned int id;
1501         uint64_t lun;
1502         struct qla_hw_data *ha = vha->hw;
1503
1504         if (qla2x00_isp_reg_stat(ha)) {
1505                 ql_log(ql_log_info, vha, 0x8040,
1506                     "PCI/Register disconnect, exiting.\n");
1507                 return FAILED;
1508         }
1509
1510         id = cmd->device->id;
1511         lun = cmd->device->lun;
1512
1513         if (!fcport) {
1514                 return ret;
1515         }
1516
1517         ret = fc_block_scsi_eh(cmd);
1518         if (ret != 0)
1519                 return ret;
1520         ret = FAILED;
1521
1522         ql_log(ql_log_info, vha, 0x8012,
1523             "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1524
1525         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1526                 ql_log(ql_log_fatal, vha, 0x8013,
1527                     "Wait for hba online failed board disabled.\n");
1528                 goto eh_bus_reset_done;
1529         }
1530
1531         if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1532                 ret = SUCCESS;
1533
1534         if (ret == FAILED)
1535                 goto eh_bus_reset_done;
1536
1537         /* Flush outstanding commands. */
1538         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1539             QLA_SUCCESS) {
1540                 ql_log(ql_log_warn, vha, 0x8014,
1541                     "Wait for pending commands failed.\n");
1542                 ret = FAILED;
1543         }
1544
1545 eh_bus_reset_done:
1546         ql_log(ql_log_warn, vha, 0x802b,
1547             "BUS RESET %s nexus=%ld:%d:%llu.\n",
1548             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1549
1550         return ret;
1551 }
1552
1553 /**************************************************************************
1554 * qla2xxx_eh_host_reset
1555 *
1556 * Description:
1557 *    The reset function will reset the Adapter.
1558 *
1559 * Input:
1560 *      cmd = Linux SCSI command packet of the command that cause the
1561 *            adapter reset.
1562 *
1563 * Returns:
1564 *      Either SUCCESS or FAILED.
1565 *
1566 * Note:
1567 **************************************************************************/
1568 static int
1569 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1570 {
1571         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1572         struct qla_hw_data *ha = vha->hw;
1573         int ret = FAILED;
1574         unsigned int id;
1575         uint64_t lun;
1576         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1577
1578         if (qla2x00_isp_reg_stat(ha)) {
1579                 ql_log(ql_log_info, vha, 0x8041,
1580                     "PCI/Register disconnect, exiting.\n");
1581                 schedule_work(&ha->board_disable);
1582                 return SUCCESS;
1583         }
1584
1585         id = cmd->device->id;
1586         lun = cmd->device->lun;
1587
1588         ql_log(ql_log_info, vha, 0x8018,
1589             "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1590
1591         /*
1592          * No point in issuing another reset if one is active.  Also do not
1593          * attempt a reset if we are updating flash.
1594          */
1595         if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1596                 goto eh_host_reset_lock;
1597
1598         if (vha != base_vha) {
1599                 if (qla2x00_vp_abort_isp(vha))
1600                         goto eh_host_reset_lock;
1601         } else {
1602                 if (IS_P3P_TYPE(vha->hw)) {
1603                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1604                                 /* Ctx reset success */
1605                                 ret = SUCCESS;
1606                                 goto eh_host_reset_lock;
1607                         }
1608                         /* fall thru if ctx reset failed */
1609                 }
1610                 if (ha->wq)
1611                         flush_workqueue(ha->wq);
1612
1613                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1614                 if (ha->isp_ops->abort_isp(base_vha)) {
1615                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1616                         /* failed. schedule dpc to try */
1617                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1618
1619                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1620                                 ql_log(ql_log_warn, vha, 0x802a,
1621                                     "wait for hba online failed.\n");
1622                                 goto eh_host_reset_lock;
1623                         }
1624                 }
1625                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1626         }
1627
1628         /* Waiting for command to be returned to OS.*/
1629         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1630                 QLA_SUCCESS)
1631                 ret = SUCCESS;
1632
1633 eh_host_reset_lock:
1634         ql_log(ql_log_info, vha, 0x8017,
1635             "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1636             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1637
1638         return ret;
1639 }
1640
1641 /*
1642 * qla2x00_loop_reset
1643 *      Issue loop reset.
1644 *
1645 * Input:
1646 *      ha = adapter block pointer.
1647 *
1648 * Returns:
1649 *      0 = success
1650 */
1651 int
1652 qla2x00_loop_reset(scsi_qla_host_t *vha)
1653 {
1654         int ret;
1655         struct fc_port *fcport;
1656         struct qla_hw_data *ha = vha->hw;
1657
1658         if (IS_QLAFX00(ha)) {
1659                 return qlafx00_loop_reset(vha);
1660         }
1661
1662         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1663                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1664                         if (fcport->port_type != FCT_TARGET)
1665                                 continue;
1666
1667                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1668                         if (ret != QLA_SUCCESS) {
1669                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1670                                     "Bus Reset failed: Reset=%d "
1671                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1672                         }
1673                 }
1674         }
1675
1676
1677         if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1678                 atomic_set(&vha->loop_state, LOOP_DOWN);
1679                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1680                 qla2x00_mark_all_devices_lost(vha, 0);
1681                 ret = qla2x00_full_login_lip(vha);
1682                 if (ret != QLA_SUCCESS) {
1683                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1684                             "full_login_lip=%d.\n", ret);
1685                 }
1686         }
1687
1688         if (ha->flags.enable_lip_reset) {
1689                 ret = qla2x00_lip_reset(vha);
1690                 if (ret != QLA_SUCCESS)
1691                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1692                             "lip_reset failed (%d).\n", ret);
1693         }
1694
1695         /* Issue marker command only when we are going to start the I/O */
1696         vha->marker_needed = 1;
1697
1698         return QLA_SUCCESS;
1699 }
1700
1701 void
1702 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1703 {
1704         int que, cnt, status;
1705         unsigned long flags;
1706         srb_t *sp;
1707         struct qla_hw_data *ha = vha->hw;
1708         struct req_que *req;
1709         struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
1710         struct qla_tgt_cmd *cmd;
1711         uint8_t trace = 0;
1712
1713         spin_lock_irqsave(&ha->hardware_lock, flags);
1714         for (que = 0; que < ha->max_req_queues; que++) {
1715                 req = ha->req_q_map[que];
1716                 if (!req)
1717                         continue;
1718                 if (!req->outstanding_cmds)
1719                         continue;
1720                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1721                         sp = req->outstanding_cmds[cnt];
1722                         if (sp) {
1723                                 req->outstanding_cmds[cnt] = NULL;
1724                                 if (sp->cmd_type == TYPE_SRB) {
1725                                         if (sp->type == SRB_NVME_CMD ||
1726                                             sp->type == SRB_NVME_LS) {
1727                                                 sp_get(sp);
1728                                                 spin_unlock_irqrestore(
1729                                                     &ha->hardware_lock, flags);
1730                                                 qla_nvme_abort(ha, sp);
1731                                                 spin_lock_irqsave(
1732                                                     &ha->hardware_lock, flags);
1733                                         } else if (GET_CMD_SP(sp) &&
1734                                             !ha->flags.eeh_busy &&
1735                                             (!test_bit(ABORT_ISP_ACTIVE,
1736                                                 &vha->dpc_flags)) &&
1737                                             (sp->type == SRB_SCSI_CMD)) {
1738                                                 /*
1739                                                  * Don't abort commands in
1740                                                  * adapter during EEH
1741                                                  * recovery as it's not
1742                                                  * accessible/responding.
1743                                                  *
1744                                                  * Get a reference to the sp
1745                                                  * and drop the lock. The
1746                                                  * reference ensures this
1747                                                  * sp->done() call and not the
1748                                                  * call in qla2xxx_eh_abort()
1749                                                  * ends the SCSI command (with
1750                                                  * result 'res').
1751                                                  */
1752                                                 sp_get(sp);
1753                                                 spin_unlock_irqrestore(
1754                                                     &ha->hardware_lock, flags);
1755                                                 status = qla2xxx_eh_abort(
1756                                                     GET_CMD_SP(sp));
1757                                                 spin_lock_irqsave(
1758                                                     &ha->hardware_lock, flags);
1759                                                 /*
1760                                                  * Get rid of extra reference
1761                                                  * if immediate exit from
1762                                                  * ql2xxx_eh_abort
1763                                                  */
1764                                                 if (status == FAILED &&
1765                                                     (qla2x00_isp_reg_stat(ha)))
1766                                                         atomic_dec(
1767                                                             &sp->ref_count);
1768                                         }
1769                                         sp->done(sp, res);
1770                                 } else {
1771                                         if (!vha->hw->tgt.tgt_ops || !tgt ||
1772                                             qla_ini_mode_enabled(vha)) {
1773                                                 if (!trace)
1774                                                         ql_dbg(ql_dbg_tgt_mgt,
1775                                                             vha, 0xf003,
1776                                                             "HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
1777                                                             vha->dpc_flags);
1778                                                 continue;
1779                                         }
1780                                         cmd = (struct qla_tgt_cmd *)sp;
1781                                         qlt_abort_cmd_on_host_reset(cmd->vha,
1782                                             cmd);
1783                                 }
1784                         }
1785                 }
1786         }
1787         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1788 }
1789
1790 static int
1791 qla2xxx_slave_alloc(struct scsi_device *sdev)
1792 {
1793         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1794
1795         if (!rport || fc_remote_port_chkready(rport))
1796                 return -ENXIO;
1797
1798         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1799
1800         return 0;
1801 }
1802
1803 static int
1804 qla2xxx_slave_configure(struct scsi_device *sdev)
1805 {
1806         scsi_qla_host_t *vha = shost_priv(sdev->host);
1807         struct req_que *req = vha->req;
1808
1809         if (IS_T10_PI_CAPABLE(vha->hw))
1810                 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1811
1812         scsi_change_queue_depth(sdev, req->max_q_depth);
1813         return 0;
1814 }
1815
1816 static void
1817 qla2xxx_slave_destroy(struct scsi_device *sdev)
1818 {
1819         sdev->hostdata = NULL;
1820 }
1821
1822 /**
1823  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1824  * @ha: HA context
1825  *
1826  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1827  * supported addressing method.
1828  */
1829 static void
1830 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1831 {
1832         /* Assume a 32bit DMA mask. */
1833         ha->flags.enable_64bit_addressing = 0;
1834
1835         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1836                 /* Any upper-dword bits set? */
1837                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1838                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1839                         /* Ok, a 64bit DMA mask is applicable. */
1840                         ha->flags.enable_64bit_addressing = 1;
1841                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1842                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1843                         return;
1844                 }
1845         }
1846
1847         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1848         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1849 }
1850
1851 static void
1852 qla2x00_enable_intrs(struct qla_hw_data *ha)
1853 {
1854         unsigned long flags = 0;
1855         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1856
1857         spin_lock_irqsave(&ha->hardware_lock, flags);
1858         ha->interrupts_on = 1;
1859         /* enable risc and host interrupts */
1860         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1861         RD_REG_WORD(&reg->ictrl);
1862         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1863
1864 }
1865
1866 static void
1867 qla2x00_disable_intrs(struct qla_hw_data *ha)
1868 {
1869         unsigned long flags = 0;
1870         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1871
1872         spin_lock_irqsave(&ha->hardware_lock, flags);
1873         ha->interrupts_on = 0;
1874         /* disable risc and host interrupts */
1875         WRT_REG_WORD(&reg->ictrl, 0);
1876         RD_REG_WORD(&reg->ictrl);
1877         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1878 }
1879
1880 static void
1881 qla24xx_enable_intrs(struct qla_hw_data *ha)
1882 {
1883         unsigned long flags = 0;
1884         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1885
1886         spin_lock_irqsave(&ha->hardware_lock, flags);
1887         ha->interrupts_on = 1;
1888         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1889         RD_REG_DWORD(&reg->ictrl);
1890         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1891 }
1892
1893 static void
1894 qla24xx_disable_intrs(struct qla_hw_data *ha)
1895 {
1896         unsigned long flags = 0;
1897         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1898
1899         if (IS_NOPOLLING_TYPE(ha))
1900                 return;
1901         spin_lock_irqsave(&ha->hardware_lock, flags);
1902         ha->interrupts_on = 0;
1903         WRT_REG_DWORD(&reg->ictrl, 0);
1904         RD_REG_DWORD(&reg->ictrl);
1905         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1906 }
1907
1908 static int
1909 qla2x00_iospace_config(struct qla_hw_data *ha)
1910 {
1911         resource_size_t pio;
1912         uint16_t msix;
1913
1914         if (pci_request_selected_regions(ha->pdev, ha->bars,
1915             QLA2XXX_DRIVER_NAME)) {
1916                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1917                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1918                     pci_name(ha->pdev));
1919                 goto iospace_error_exit;
1920         }
1921         if (!(ha->bars & 1))
1922                 goto skip_pio;
1923
1924         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1925         pio = pci_resource_start(ha->pdev, 0);
1926         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1927                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1928                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1929                             "Invalid pci I/O region size (%s).\n",
1930                             pci_name(ha->pdev));
1931                         pio = 0;
1932                 }
1933         } else {
1934                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1935                     "Region #0 no a PIO resource (%s).\n",
1936                     pci_name(ha->pdev));
1937                 pio = 0;
1938         }
1939         ha->pio_address = pio;
1940         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1941             "PIO address=%llu.\n",
1942             (unsigned long long)ha->pio_address);
1943
1944 skip_pio:
1945         /* Use MMIO operations for all accesses. */
1946         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1947                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1948                     "Region #1 not an MMIO resource (%s), aborting.\n",
1949                     pci_name(ha->pdev));
1950                 goto iospace_error_exit;
1951         }
1952         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1953                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1954                     "Invalid PCI mem region size (%s), aborting.\n",
1955                     pci_name(ha->pdev));
1956                 goto iospace_error_exit;
1957         }
1958
1959         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1960         if (!ha->iobase) {
1961                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1962                     "Cannot remap MMIO (%s), aborting.\n",
1963                     pci_name(ha->pdev));
1964                 goto iospace_error_exit;
1965         }
1966
1967         /* Determine queue resources */
1968         ha->max_req_queues = ha->max_rsp_queues = 1;
1969         ha->msix_count = QLA_BASE_VECTORS;
1970         if (!ql2xmqsupport || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1971                 goto mqiobase_exit;
1972
1973         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1974                         pci_resource_len(ha->pdev, 3));
1975         if (ha->mqiobase) {
1976                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1977                     "MQIO Base=%p.\n", ha->mqiobase);
1978                 /* Read MSIX vector size of the board */
1979                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1980                 ha->msix_count = msix + 1;
1981                 /* Max queues are bounded by available msix vectors */
1982                 /* MB interrupt uses 1 vector */
1983                 ha->max_req_queues = ha->msix_count - 1;
1984                 ha->max_rsp_queues = ha->max_req_queues;
1985                 /* Queue pairs is the max value minus the base queue pair */
1986                 ha->max_qpairs = ha->max_rsp_queues - 1;
1987                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
1988                     "Max no of queues pairs: %d.\n", ha->max_qpairs);
1989
1990                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1991                     "MSI-X vector count: %d.\n", ha->msix_count);
1992         } else
1993                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1994                     "BAR 3 not enabled.\n");
1995
1996 mqiobase_exit:
1997         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1998             "MSIX Count: %d.\n", ha->msix_count);
1999         return (0);
2000
2001 iospace_error_exit:
2002         return (-ENOMEM);
2003 }
2004
2005
2006 static int
2007 qla83xx_iospace_config(struct qla_hw_data *ha)
2008 {
2009         uint16_t msix;
2010
2011         if (pci_request_selected_regions(ha->pdev, ha->bars,
2012             QLA2XXX_DRIVER_NAME)) {
2013                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
2014                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
2015                     pci_name(ha->pdev));
2016
2017                 goto iospace_error_exit;
2018         }
2019
2020         /* Use MMIO operations for all accesses. */
2021         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
2022                 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
2023                     "Invalid pci I/O region size (%s).\n",
2024                     pci_name(ha->pdev));
2025                 goto iospace_error_exit;
2026         }
2027         if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
2028                 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
2029                     "Invalid PCI mem region size (%s), aborting\n",
2030                         pci_name(ha->pdev));
2031                 goto iospace_error_exit;
2032         }
2033
2034         ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
2035         if (!ha->iobase) {
2036                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
2037                     "Cannot remap MMIO (%s), aborting.\n",
2038                     pci_name(ha->pdev));
2039                 goto iospace_error_exit;
2040         }
2041
2042         /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
2043         /* 83XX 26XX always use MQ type access for queues
2044          * - mbar 2, a.k.a region 4 */
2045         ha->max_req_queues = ha->max_rsp_queues = 1;
2046         ha->msix_count = QLA_BASE_VECTORS;
2047         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
2048                         pci_resource_len(ha->pdev, 4));
2049
2050         if (!ha->mqiobase) {
2051                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
2052                     "BAR2/region4 not enabled\n");
2053                 goto mqiobase_exit;
2054         }
2055
2056         ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
2057                         pci_resource_len(ha->pdev, 2));
2058         if (ha->msixbase) {
2059                 /* Read MSIX vector size of the board */
2060                 pci_read_config_word(ha->pdev,
2061                     QLA_83XX_PCI_MSIX_CONTROL, &msix);
2062                 ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE)  + 1;
2063                 /*
2064                  * By default, driver uses at least two msix vectors
2065                  * (default & rspq)
2066                  */
2067                 if (ql2xmqsupport) {
2068                         /* MB interrupt uses 1 vector */
2069                         ha->max_req_queues = ha->msix_count - 1;
2070
2071                         /* ATIOQ needs 1 vector. That's 1 less QPair */
2072                         if (QLA_TGT_MODE_ENABLED())
2073                                 ha->max_req_queues--;
2074
2075                         ha->max_rsp_queues = ha->max_req_queues;
2076
2077                         /* Queue pairs is the max value minus
2078                          * the base queue pair */
2079                         ha->max_qpairs = ha->max_req_queues - 1;
2080                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
2081                             "Max no of queues pairs: %d.\n", ha->max_qpairs);
2082                 }
2083                 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
2084                     "MSI-X vector count: %d.\n", ha->msix_count);
2085         } else
2086                 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
2087                     "BAR 1 not enabled.\n");
2088
2089 mqiobase_exit:
2090         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
2091             "MSIX Count: %d.\n", ha->msix_count);
2092         return 0;
2093
2094 iospace_error_exit:
2095         return -ENOMEM;
2096 }
2097
2098 static struct isp_operations qla2100_isp_ops = {
2099         .pci_config             = qla2100_pci_config,
2100         .reset_chip             = qla2x00_reset_chip,
2101         .chip_diag              = qla2x00_chip_diag,
2102         .config_rings           = qla2x00_config_rings,
2103         .reset_adapter          = qla2x00_reset_adapter,
2104         .nvram_config           = qla2x00_nvram_config,
2105         .update_fw_options      = qla2x00_update_fw_options,
2106         .load_risc              = qla2x00_load_risc,
2107         .pci_info_str           = qla2x00_pci_info_str,
2108         .fw_version_str         = qla2x00_fw_version_str,
2109         .intr_handler           = qla2100_intr_handler,
2110         .enable_intrs           = qla2x00_enable_intrs,
2111         .disable_intrs          = qla2x00_disable_intrs,
2112         .abort_command          = qla2x00_abort_command,
2113         .target_reset           = qla2x00_abort_target,
2114         .lun_reset              = qla2x00_lun_reset,
2115         .fabric_login           = qla2x00_login_fabric,
2116         .fabric_logout          = qla2x00_fabric_logout,
2117         .calc_req_entries       = qla2x00_calc_iocbs_32,
2118         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
2119         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
2120         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
2121         .read_nvram             = qla2x00_read_nvram_data,
2122         .write_nvram            = qla2x00_write_nvram_data,
2123         .fw_dump                = qla2100_fw_dump,
2124         .beacon_on              = NULL,
2125         .beacon_off             = NULL,
2126         .beacon_blink           = NULL,
2127         .read_optrom            = qla2x00_read_optrom_data,
2128         .write_optrom           = qla2x00_write_optrom_data,
2129         .get_flash_version      = qla2x00_get_flash_version,
2130         .start_scsi             = qla2x00_start_scsi,
2131         .start_scsi_mq          = NULL,
2132         .abort_isp              = qla2x00_abort_isp,
2133         .iospace_config         = qla2x00_iospace_config,
2134         .initialize_adapter     = qla2x00_initialize_adapter,
2135 };
2136
2137 static struct isp_operations qla2300_isp_ops = {
2138         .pci_config             = qla2300_pci_config,
2139         .reset_chip             = qla2x00_reset_chip,
2140         .chip_diag              = qla2x00_chip_diag,
2141         .config_rings           = qla2x00_config_rings,
2142         .reset_adapter          = qla2x00_reset_adapter,
2143         .nvram_config           = qla2x00_nvram_config,
2144         .update_fw_options      = qla2x00_update_fw_options,
2145         .load_risc              = qla2x00_load_risc,
2146         .pci_info_str           = qla2x00_pci_info_str,
2147         .fw_version_str         = qla2x00_fw_version_str,
2148         .intr_handler           = qla2300_intr_handler,
2149         .enable_intrs           = qla2x00_enable_intrs,
2150         .disable_intrs          = qla2x00_disable_intrs,
2151         .abort_command          = qla2x00_abort_command,
2152         .target_reset           = qla2x00_abort_target,
2153         .lun_reset              = qla2x00_lun_reset,
2154         .fabric_login           = qla2x00_login_fabric,
2155         .fabric_logout          = qla2x00_fabric_logout,
2156         .calc_req_entries       = qla2x00_calc_iocbs_32,
2157         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
2158         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
2159         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
2160         .read_nvram             = qla2x00_read_nvram_data,
2161         .write_nvram            = qla2x00_write_nvram_data,
2162         .fw_dump                = qla2300_fw_dump,
2163         .beacon_on              = qla2x00_beacon_on,
2164         .beacon_off             = qla2x00_beacon_off,
2165         .beacon_blink           = qla2x00_beacon_blink,
2166         .read_optrom            = qla2x00_read_optrom_data,
2167         .write_optrom           = qla2x00_write_optrom_data,
2168         .get_flash_version      = qla2x00_get_flash_version,
2169         .start_scsi             = qla2x00_start_scsi,
2170         .start_scsi_mq          = NULL,
2171         .abort_isp              = qla2x00_abort_isp,
2172         .iospace_config         = qla2x00_iospace_config,
2173         .initialize_adapter     = qla2x00_initialize_adapter,
2174 };
2175
2176 static struct isp_operations qla24xx_isp_ops = {
2177         .pci_config             = qla24xx_pci_config,
2178         .reset_chip             = qla24xx_reset_chip,
2179         .chip_diag              = qla24xx_chip_diag,
2180         .config_rings           = qla24xx_config_rings,
2181         .reset_adapter          = qla24xx_reset_adapter,
2182         .nvram_config           = qla24xx_nvram_config,
2183         .update_fw_options      = qla24xx_update_fw_options,
2184         .load_risc              = qla24xx_load_risc,
2185         .pci_info_str           = qla24xx_pci_info_str,
2186         .fw_version_str         = qla24xx_fw_version_str,
2187         .intr_handler           = qla24xx_intr_handler,
2188         .enable_intrs           = qla24xx_enable_intrs,
2189         .disable_intrs          = qla24xx_disable_intrs,
2190         .abort_command          = qla24xx_abort_command,
2191         .target_reset           = qla24xx_abort_target,
2192         .lun_reset              = qla24xx_lun_reset,
2193         .fabric_login           = qla24xx_login_fabric,
2194         .fabric_logout          = qla24xx_fabric_logout,
2195         .calc_req_entries       = NULL,
2196         .build_iocbs            = NULL,
2197         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2198         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2199         .read_nvram             = qla24xx_read_nvram_data,
2200         .write_nvram            = qla24xx_write_nvram_data,
2201         .fw_dump                = qla24xx_fw_dump,
2202         .beacon_on              = qla24xx_beacon_on,
2203         .beacon_off             = qla24xx_beacon_off,
2204         .beacon_blink           = qla24xx_beacon_blink,
2205         .read_optrom            = qla24xx_read_optrom_data,
2206         .write_optrom           = qla24xx_write_optrom_data,
2207         .get_flash_version      = qla24xx_get_flash_version,
2208         .start_scsi             = qla24xx_start_scsi,
2209         .start_scsi_mq          = NULL,
2210         .abort_isp              = qla2x00_abort_isp,
2211         .iospace_config         = qla2x00_iospace_config,
2212         .initialize_adapter     = qla2x00_initialize_adapter,
2213 };
2214
2215 static struct isp_operations qla25xx_isp_ops = {
2216         .pci_config             = qla25xx_pci_config,
2217         .reset_chip             = qla24xx_reset_chip,
2218         .chip_diag              = qla24xx_chip_diag,
2219         .config_rings           = qla24xx_config_rings,
2220         .reset_adapter          = qla24xx_reset_adapter,
2221         .nvram_config           = qla24xx_nvram_config,
2222         .update_fw_options      = qla24xx_update_fw_options,
2223         .load_risc              = qla24xx_load_risc,
2224         .pci_info_str           = qla24xx_pci_info_str,
2225         .fw_version_str         = qla24xx_fw_version_str,
2226         .intr_handler           = qla24xx_intr_handler,
2227         .enable_intrs           = qla24xx_enable_intrs,
2228         .disable_intrs          = qla24xx_disable_intrs,
2229         .abort_command          = qla24xx_abort_command,
2230         .target_reset           = qla24xx_abort_target,
2231         .lun_reset              = qla24xx_lun_reset,
2232         .fabric_login           = qla24xx_login_fabric,
2233         .fabric_logout          = qla24xx_fabric_logout,
2234         .calc_req_entries       = NULL,
2235         .build_iocbs            = NULL,
2236         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2237         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2238         .read_nvram             = qla25xx_read_nvram_data,
2239         .write_nvram            = qla25xx_write_nvram_data,
2240         .fw_dump                = qla25xx_fw_dump,
2241         .beacon_on              = qla24xx_beacon_on,
2242         .beacon_off             = qla24xx_beacon_off,
2243         .beacon_blink           = qla24xx_beacon_blink,
2244         .read_optrom            = qla25xx_read_optrom_data,
2245         .write_optrom           = qla24xx_write_optrom_data,
2246         .get_flash_version      = qla24xx_get_flash_version,
2247         .start_scsi             = qla24xx_dif_start_scsi,
2248         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2249         .abort_isp              = qla2x00_abort_isp,
2250         .iospace_config         = qla2x00_iospace_config,
2251         .initialize_adapter     = qla2x00_initialize_adapter,
2252 };
2253
2254 static struct isp_operations qla81xx_isp_ops = {
2255         .pci_config             = qla25xx_pci_config,
2256         .reset_chip             = qla24xx_reset_chip,
2257         .chip_diag              = qla24xx_chip_diag,
2258         .config_rings           = qla24xx_config_rings,
2259         .reset_adapter          = qla24xx_reset_adapter,
2260         .nvram_config           = qla81xx_nvram_config,
2261         .update_fw_options      = qla81xx_update_fw_options,
2262         .load_risc              = qla81xx_load_risc,
2263         .pci_info_str           = qla24xx_pci_info_str,
2264         .fw_version_str         = qla24xx_fw_version_str,
2265         .intr_handler           = qla24xx_intr_handler,
2266         .enable_intrs           = qla24xx_enable_intrs,
2267         .disable_intrs          = qla24xx_disable_intrs,
2268         .abort_command          = qla24xx_abort_command,
2269         .target_reset           = qla24xx_abort_target,
2270         .lun_reset              = qla24xx_lun_reset,
2271         .fabric_login           = qla24xx_login_fabric,
2272         .fabric_logout          = qla24xx_fabric_logout,
2273         .calc_req_entries       = NULL,
2274         .build_iocbs            = NULL,
2275         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2276         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2277         .read_nvram             = NULL,
2278         .write_nvram            = NULL,
2279         .fw_dump                = qla81xx_fw_dump,
2280         .beacon_on              = qla24xx_beacon_on,
2281         .beacon_off             = qla24xx_beacon_off,
2282         .beacon_blink           = qla83xx_beacon_blink,
2283         .read_optrom            = qla25xx_read_optrom_data,
2284         .write_optrom           = qla24xx_write_optrom_data,
2285         .get_flash_version      = qla24xx_get_flash_version,
2286         .start_scsi             = qla24xx_dif_start_scsi,
2287         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2288         .abort_isp              = qla2x00_abort_isp,
2289         .iospace_config         = qla2x00_iospace_config,
2290         .initialize_adapter     = qla2x00_initialize_adapter,
2291 };
2292
2293 static struct isp_operations qla82xx_isp_ops = {
2294         .pci_config             = qla82xx_pci_config,
2295         .reset_chip             = qla82xx_reset_chip,
2296         .chip_diag              = qla24xx_chip_diag,
2297         .config_rings           = qla82xx_config_rings,
2298         .reset_adapter          = qla24xx_reset_adapter,
2299         .nvram_config           = qla81xx_nvram_config,
2300         .update_fw_options      = qla24xx_update_fw_options,
2301         .load_risc              = qla82xx_load_risc,
2302         .pci_info_str           = qla24xx_pci_info_str,
2303         .fw_version_str         = qla24xx_fw_version_str,
2304         .intr_handler           = qla82xx_intr_handler,
2305         .enable_intrs           = qla82xx_enable_intrs,
2306         .disable_intrs          = qla82xx_disable_intrs,
2307         .abort_command          = qla24xx_abort_command,
2308         .target_reset           = qla24xx_abort_target,
2309         .lun_reset              = qla24xx_lun_reset,
2310         .fabric_login           = qla24xx_login_fabric,
2311         .fabric_logout          = qla24xx_fabric_logout,
2312         .calc_req_entries       = NULL,
2313         .build_iocbs            = NULL,
2314         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2315         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2316         .read_nvram             = qla24xx_read_nvram_data,
2317         .write_nvram            = qla24xx_write_nvram_data,
2318         .fw_dump                = qla82xx_fw_dump,
2319         .beacon_on              = qla82xx_beacon_on,
2320         .beacon_off             = qla82xx_beacon_off,
2321         .beacon_blink           = NULL,
2322         .read_optrom            = qla82xx_read_optrom_data,
2323         .write_optrom           = qla82xx_write_optrom_data,
2324         .get_flash_version      = qla82xx_get_flash_version,
2325         .start_scsi             = qla82xx_start_scsi,
2326         .start_scsi_mq          = NULL,
2327         .abort_isp              = qla82xx_abort_isp,
2328         .iospace_config         = qla82xx_iospace_config,
2329         .initialize_adapter     = qla2x00_initialize_adapter,
2330 };
2331
2332 static struct isp_operations qla8044_isp_ops = {
2333         .pci_config             = qla82xx_pci_config,
2334         .reset_chip             = qla82xx_reset_chip,
2335         .chip_diag              = qla24xx_chip_diag,
2336         .config_rings           = qla82xx_config_rings,
2337         .reset_adapter          = qla24xx_reset_adapter,
2338         .nvram_config           = qla81xx_nvram_config,
2339         .update_fw_options      = qla24xx_update_fw_options,
2340         .load_risc              = qla82xx_load_risc,
2341         .pci_info_str           = qla24xx_pci_info_str,
2342         .fw_version_str         = qla24xx_fw_version_str,
2343         .intr_handler           = qla8044_intr_handler,
2344         .enable_intrs           = qla82xx_enable_intrs,
2345         .disable_intrs          = qla82xx_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             = NULL,
2356         .write_nvram            = NULL,
2357         .fw_dump                = qla8044_fw_dump,
2358         .beacon_on              = qla82xx_beacon_on,
2359         .beacon_off             = qla82xx_beacon_off,
2360         .beacon_blink           = NULL,
2361         .read_optrom            = qla8044_read_optrom_data,
2362         .write_optrom           = qla8044_write_optrom_data,
2363         .get_flash_version      = qla82xx_get_flash_version,
2364         .start_scsi             = qla82xx_start_scsi,
2365         .start_scsi_mq          = NULL,
2366         .abort_isp              = qla8044_abort_isp,
2367         .iospace_config         = qla82xx_iospace_config,
2368         .initialize_adapter     = qla2x00_initialize_adapter,
2369 };
2370
2371 static struct isp_operations qla83xx_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           = qla81xx_nvram_config,
2378         .update_fw_options      = qla81xx_update_fw_options,
2379         .load_risc              = qla81xx_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             = NULL,
2395         .write_nvram            = NULL,
2396         .fw_dump                = qla83xx_fw_dump,
2397         .beacon_on              = qla24xx_beacon_on,
2398         .beacon_off             = qla24xx_beacon_off,
2399         .beacon_blink           = qla83xx_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         = qla83xx_iospace_config,
2407         .initialize_adapter     = qla2x00_initialize_adapter,
2408 };
2409
2410 static struct isp_operations qlafx00_isp_ops = {
2411         .pci_config             = qlafx00_pci_config,
2412         .reset_chip             = qlafx00_soft_reset,
2413         .chip_diag              = qlafx00_chip_diag,
2414         .config_rings           = qlafx00_config_rings,
2415         .reset_adapter          = qlafx00_soft_reset,
2416         .nvram_config           = NULL,
2417         .update_fw_options      = NULL,
2418         .load_risc              = NULL,
2419         .pci_info_str           = qlafx00_pci_info_str,
2420         .fw_version_str         = qlafx00_fw_version_str,
2421         .intr_handler           = qlafx00_intr_handler,
2422         .enable_intrs           = qlafx00_enable_intrs,
2423         .disable_intrs          = qlafx00_disable_intrs,
2424         .abort_command          = qla24xx_async_abort_command,
2425         .target_reset           = qlafx00_abort_target,
2426         .lun_reset              = qlafx00_lun_reset,
2427         .fabric_login           = NULL,
2428         .fabric_logout          = NULL,
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             = qla24xx_read_nvram_data,
2434         .write_nvram            = qla24xx_write_nvram_data,
2435         .fw_dump                = NULL,
2436         .beacon_on              = qla24xx_beacon_on,
2437         .beacon_off             = qla24xx_beacon_off,
2438         .beacon_blink           = NULL,
2439         .read_optrom            = qla24xx_read_optrom_data,
2440         .write_optrom           = qla24xx_write_optrom_data,
2441         .get_flash_version      = qla24xx_get_flash_version,
2442         .start_scsi             = qlafx00_start_scsi,
2443         .start_scsi_mq          = NULL,
2444         .abort_isp              = qlafx00_abort_isp,
2445         .iospace_config         = qlafx00_iospace_config,
2446         .initialize_adapter     = qlafx00_initialize_adapter,
2447 };
2448
2449 static struct isp_operations qla27xx_isp_ops = {
2450         .pci_config             = qla25xx_pci_config,
2451         .reset_chip             = qla24xx_reset_chip,
2452         .chip_diag              = qla24xx_chip_diag,
2453         .config_rings           = qla24xx_config_rings,
2454         .reset_adapter          = qla24xx_reset_adapter,
2455         .nvram_config           = qla81xx_nvram_config,
2456         .update_fw_options      = qla81xx_update_fw_options,
2457         .load_risc              = qla81xx_load_risc,
2458         .pci_info_str           = qla24xx_pci_info_str,
2459         .fw_version_str         = qla24xx_fw_version_str,
2460         .intr_handler           = qla24xx_intr_handler,
2461         .enable_intrs           = qla24xx_enable_intrs,
2462         .disable_intrs          = qla24xx_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             = NULL,
2473         .write_nvram            = NULL,
2474         .fw_dump                = qla27xx_fwdump,
2475         .beacon_on              = qla24xx_beacon_on,
2476         .beacon_off             = qla24xx_beacon_off,
2477         .beacon_blink           = qla83xx_beacon_blink,
2478         .read_optrom            = qla25xx_read_optrom_data,
2479         .write_optrom           = qla24xx_write_optrom_data,
2480         .get_flash_version      = qla24xx_get_flash_version,
2481         .start_scsi             = qla24xx_dif_start_scsi,
2482         .start_scsi_mq          = qla2xxx_dif_start_scsi_mq,
2483         .abort_isp              = qla2x00_abort_isp,
2484         .iospace_config         = qla83xx_iospace_config,
2485         .initialize_adapter     = qla2x00_initialize_adapter,
2486 };
2487
2488 static inline void
2489 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2490 {
2491         ha->device_type = DT_EXTENDED_IDS;
2492         switch (ha->pdev->device) {
2493         case PCI_DEVICE_ID_QLOGIC_ISP2100:
2494                 ha->isp_type |= DT_ISP2100;
2495                 ha->device_type &= ~DT_EXTENDED_IDS;
2496                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2497                 break;
2498         case PCI_DEVICE_ID_QLOGIC_ISP2200:
2499                 ha->isp_type |= DT_ISP2200;
2500                 ha->device_type &= ~DT_EXTENDED_IDS;
2501                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2502                 break;
2503         case PCI_DEVICE_ID_QLOGIC_ISP2300:
2504                 ha->isp_type |= DT_ISP2300;
2505                 ha->device_type |= DT_ZIO_SUPPORTED;
2506                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2507                 break;
2508         case PCI_DEVICE_ID_QLOGIC_ISP2312:
2509                 ha->isp_type |= DT_ISP2312;
2510                 ha->device_type |= DT_ZIO_SUPPORTED;
2511                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2512                 break;
2513         case PCI_DEVICE_ID_QLOGIC_ISP2322:
2514                 ha->isp_type |= DT_ISP2322;
2515                 ha->device_type |= DT_ZIO_SUPPORTED;
2516                 if (ha->pdev->subsystem_vendor == 0x1028 &&
2517                     ha->pdev->subsystem_device == 0x0170)
2518                         ha->device_type |= DT_OEM_001;
2519                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2520                 break;
2521         case PCI_DEVICE_ID_QLOGIC_ISP6312:
2522                 ha->isp_type |= DT_ISP6312;
2523                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2524                 break;
2525         case PCI_DEVICE_ID_QLOGIC_ISP6322:
2526                 ha->isp_type |= DT_ISP6322;
2527                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2528                 break;
2529         case PCI_DEVICE_ID_QLOGIC_ISP2422:
2530                 ha->isp_type |= DT_ISP2422;
2531                 ha->device_type |= DT_ZIO_SUPPORTED;
2532                 ha->device_type |= DT_FWI2;
2533                 ha->device_type |= DT_IIDMA;
2534                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2535                 break;
2536         case PCI_DEVICE_ID_QLOGIC_ISP2432:
2537                 ha->isp_type |= DT_ISP2432;
2538                 ha->device_type |= DT_ZIO_SUPPORTED;
2539                 ha->device_type |= DT_FWI2;
2540                 ha->device_type |= DT_IIDMA;
2541                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2542                 break;
2543         case PCI_DEVICE_ID_QLOGIC_ISP8432:
2544                 ha->isp_type |= DT_ISP8432;
2545                 ha->device_type |= DT_ZIO_SUPPORTED;
2546                 ha->device_type |= DT_FWI2;
2547                 ha->device_type |= DT_IIDMA;
2548                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2549                 break;
2550         case PCI_DEVICE_ID_QLOGIC_ISP5422:
2551                 ha->isp_type |= DT_ISP5422;
2552                 ha->device_type |= DT_FWI2;
2553                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2554                 break;
2555         case PCI_DEVICE_ID_QLOGIC_ISP5432:
2556                 ha->isp_type |= DT_ISP5432;
2557                 ha->device_type |= DT_FWI2;
2558                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2559                 break;
2560         case PCI_DEVICE_ID_QLOGIC_ISP2532:
2561                 ha->isp_type |= DT_ISP2532;
2562                 ha->device_type |= DT_ZIO_SUPPORTED;
2563                 ha->device_type |= DT_FWI2;
2564                 ha->device_type |= DT_IIDMA;
2565                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2566                 break;
2567         case PCI_DEVICE_ID_QLOGIC_ISP8001:
2568                 ha->isp_type |= DT_ISP8001;
2569                 ha->device_type |= DT_ZIO_SUPPORTED;
2570                 ha->device_type |= DT_FWI2;
2571                 ha->device_type |= DT_IIDMA;
2572                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2573                 break;
2574         case PCI_DEVICE_ID_QLOGIC_ISP8021:
2575                 ha->isp_type |= DT_ISP8021;
2576                 ha->device_type |= DT_ZIO_SUPPORTED;
2577                 ha->device_type |= DT_FWI2;
2578                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2579                 /* Initialize 82XX ISP flags */
2580                 qla82xx_init_flags(ha);
2581                 break;
2582          case PCI_DEVICE_ID_QLOGIC_ISP8044:
2583                 ha->isp_type |= DT_ISP8044;
2584                 ha->device_type |= DT_ZIO_SUPPORTED;
2585                 ha->device_type |= DT_FWI2;
2586                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2587                 /* Initialize 82XX ISP flags */
2588                 qla82xx_init_flags(ha);
2589                 break;
2590         case PCI_DEVICE_ID_QLOGIC_ISP2031:
2591                 ha->isp_type |= DT_ISP2031;
2592                 ha->device_type |= DT_ZIO_SUPPORTED;
2593                 ha->device_type |= DT_FWI2;
2594                 ha->device_type |= DT_IIDMA;
2595                 ha->device_type |= DT_T10_PI;
2596                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2597                 break;
2598         case PCI_DEVICE_ID_QLOGIC_ISP8031:
2599                 ha->isp_type |= DT_ISP8031;
2600                 ha->device_type |= DT_ZIO_SUPPORTED;
2601                 ha->device_type |= DT_FWI2;
2602                 ha->device_type |= DT_IIDMA;
2603                 ha->device_type |= DT_T10_PI;
2604                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2605                 break;
2606         case PCI_DEVICE_ID_QLOGIC_ISPF001:
2607                 ha->isp_type |= DT_ISPFX00;
2608                 break;
2609         case PCI_DEVICE_ID_QLOGIC_ISP2071:
2610                 ha->isp_type |= DT_ISP2071;
2611                 ha->device_type |= DT_ZIO_SUPPORTED;
2612                 ha->device_type |= DT_FWI2;
2613                 ha->device_type |= DT_IIDMA;
2614                 ha->device_type |= DT_T10_PI;
2615                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2616                 break;
2617         case PCI_DEVICE_ID_QLOGIC_ISP2271:
2618                 ha->isp_type |= DT_ISP2271;
2619                 ha->device_type |= DT_ZIO_SUPPORTED;
2620                 ha->device_type |= DT_FWI2;
2621                 ha->device_type |= DT_IIDMA;
2622                 ha->device_type |= DT_T10_PI;
2623                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2624                 break;
2625         case PCI_DEVICE_ID_QLOGIC_ISP2261:
2626                 ha->isp_type |= DT_ISP2261;
2627                 ha->device_type |= DT_ZIO_SUPPORTED;
2628                 ha->device_type |= DT_FWI2;
2629                 ha->device_type |= DT_IIDMA;
2630                 ha->device_type |= DT_T10_PI;
2631                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2632                 break;
2633         }
2634
2635         if (IS_QLA82XX(ha))
2636                 ha->port_no = ha->portnum & 1;
2637         else {
2638                 /* Get adapter physical port no from interrupt pin register. */
2639                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2640                 if (IS_QLA27XX(ha))
2641                         ha->port_no--;
2642                 else
2643                         ha->port_no = !(ha->port_no & 1);
2644         }
2645
2646         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2647             "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2648             ha->device_type, ha->port_no, ha->fw_srisc_address);
2649 }
2650
2651 static void
2652 qla2xxx_scan_start(struct Scsi_Host *shost)
2653 {
2654         scsi_qla_host_t *vha = shost_priv(shost);
2655
2656         if (vha->hw->flags.running_gold_fw)
2657                 return;
2658
2659         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2660         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2661         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2662         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2663 }
2664
2665 static int
2666 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2667 {
2668         scsi_qla_host_t *vha = shost_priv(shost);
2669
2670         if (test_bit(UNLOADING, &vha->dpc_flags))
2671                 return 1;
2672         if (!vha->host)
2673                 return 1;
2674         if (time > vha->hw->loop_reset_delay * HZ)
2675                 return 1;
2676
2677         return atomic_read(&vha->loop_state) == LOOP_READY;
2678 }
2679
2680 static void qla2x00_iocb_work_fn(struct work_struct *work)
2681 {
2682         struct scsi_qla_host *vha = container_of(work,
2683                 struct scsi_qla_host, iocb_work);
2684         int cnt = 0;
2685
2686         while (!list_empty(&vha->work_list)) {
2687                 qla2x00_do_work(vha);
2688                 cnt++;
2689                 if (cnt > 10)
2690                         break;
2691         }
2692 }
2693
2694 /*
2695  * PCI driver interface
2696  */
2697 static int
2698 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2699 {
2700         int     ret = -ENODEV;
2701         struct Scsi_Host *host;
2702         scsi_qla_host_t *base_vha = NULL;
2703         struct qla_hw_data *ha;
2704         char pci_info[30];
2705         char fw_str[30], wq_name[30];
2706         struct scsi_host_template *sht;
2707         int bars, mem_only = 0;
2708         uint16_t req_length = 0, rsp_length = 0;
2709         struct req_que *req = NULL;
2710         struct rsp_que *rsp = NULL;
2711         int i;
2712
2713         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2714         sht = &qla2xxx_driver_template;
2715         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2716             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2717             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2718             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2719             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2720             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2721             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2722             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2723             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2724             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2725             pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2726             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2727             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2728             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2729             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2730                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2731                 mem_only = 1;
2732                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2733                     "Mem only adapter.\n");
2734         }
2735         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2736             "Bars=%d.\n", bars);
2737
2738         if (mem_only) {
2739                 if (pci_enable_device_mem(pdev))
2740                         return ret;
2741         } else {
2742                 if (pci_enable_device(pdev))
2743                         return ret;
2744         }
2745
2746         /* This may fail but that's ok */
2747         pci_enable_pcie_error_reporting(pdev);
2748
2749         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2750         if (!ha) {
2751                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2752                     "Unable to allocate memory for ha.\n");
2753                 goto disable_device;
2754         }
2755         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2756             "Memory allocated for ha=%p.\n", ha);
2757         ha->pdev = pdev;
2758         INIT_LIST_HEAD(&ha->tgt.q_full_list);
2759         spin_lock_init(&ha->tgt.q_full_lock);
2760         spin_lock_init(&ha->tgt.sess_lock);
2761         spin_lock_init(&ha->tgt.atio_lock);
2762
2763         atomic_set(&ha->nvme_active_aen_cnt, 0);
2764
2765         /* Clear our data area */
2766         ha->bars = bars;
2767         ha->mem_only = mem_only;
2768         spin_lock_init(&ha->hardware_lock);
2769         spin_lock_init(&ha->vport_slock);
2770         mutex_init(&ha->selflogin_lock);
2771         mutex_init(&ha->optrom_mutex);
2772
2773         /* Set ISP-type information. */
2774         qla2x00_set_isp_flags(ha);
2775
2776         /* Set EEH reset type to fundamental if required by hba */
2777         if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2778             IS_QLA83XX(ha) || IS_QLA27XX(ha))
2779                 pdev->needs_freset = 1;
2780
2781         ha->prev_topology = 0;
2782         ha->init_cb_size = sizeof(init_cb_t);
2783         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2784         ha->optrom_size = OPTROM_SIZE_2300;
2785
2786         /* Assign ISP specific operations. */
2787         if (IS_QLA2100(ha)) {
2788                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2789                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2790                 req_length = REQUEST_ENTRY_CNT_2100;
2791                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2792                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2793                 ha->gid_list_info_size = 4;
2794                 ha->flash_conf_off = ~0;
2795                 ha->flash_data_off = ~0;
2796                 ha->nvram_conf_off = ~0;
2797                 ha->nvram_data_off = ~0;
2798                 ha->isp_ops = &qla2100_isp_ops;
2799         } else if (IS_QLA2200(ha)) {
2800                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2801                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2802                 req_length = REQUEST_ENTRY_CNT_2200;
2803                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2804                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2805                 ha->gid_list_info_size = 4;
2806                 ha->flash_conf_off = ~0;
2807                 ha->flash_data_off = ~0;
2808                 ha->nvram_conf_off = ~0;
2809                 ha->nvram_data_off = ~0;
2810                 ha->isp_ops = &qla2100_isp_ops;
2811         } else if (IS_QLA23XX(ha)) {
2812                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2813                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2814                 req_length = REQUEST_ENTRY_CNT_2200;
2815                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2816                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2817                 ha->gid_list_info_size = 6;
2818                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2819                         ha->optrom_size = OPTROM_SIZE_2322;
2820                 ha->flash_conf_off = ~0;
2821                 ha->flash_data_off = ~0;
2822                 ha->nvram_conf_off = ~0;
2823                 ha->nvram_data_off = ~0;
2824                 ha->isp_ops = &qla2300_isp_ops;
2825         } else if (IS_QLA24XX_TYPE(ha)) {
2826                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2827                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2828                 req_length = REQUEST_ENTRY_CNT_24XX;
2829                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2830                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2831                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2832                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2833                 ha->gid_list_info_size = 8;
2834                 ha->optrom_size = OPTROM_SIZE_24XX;
2835                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2836                 ha->isp_ops = &qla24xx_isp_ops;
2837                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2838                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2839                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2840                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2841         } else if (IS_QLA25XX(ha)) {
2842                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2843                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2844                 req_length = REQUEST_ENTRY_CNT_24XX;
2845                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2846                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2847                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2848                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2849                 ha->gid_list_info_size = 8;
2850                 ha->optrom_size = OPTROM_SIZE_25XX;
2851                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2852                 ha->isp_ops = &qla25xx_isp_ops;
2853                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2854                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2855                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2856                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2857         } else if (IS_QLA81XX(ha)) {
2858                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2859                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2860                 req_length = REQUEST_ENTRY_CNT_24XX;
2861                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2862                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2863                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2864                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2865                 ha->gid_list_info_size = 8;
2866                 ha->optrom_size = OPTROM_SIZE_81XX;
2867                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2868                 ha->isp_ops = &qla81xx_isp_ops;
2869                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2870                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2871                 ha->nvram_conf_off = ~0;
2872                 ha->nvram_data_off = ~0;
2873         } else if (IS_QLA82XX(ha)) {
2874                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2875                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2876                 req_length = REQUEST_ENTRY_CNT_82XX;
2877                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2878                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2879                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2880                 ha->gid_list_info_size = 8;
2881                 ha->optrom_size = OPTROM_SIZE_82XX;
2882                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2883                 ha->isp_ops = &qla82xx_isp_ops;
2884                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2885                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2886                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2887                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2888         } else if (IS_QLA8044(ha)) {
2889                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2890                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2891                 req_length = REQUEST_ENTRY_CNT_82XX;
2892                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2893                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2894                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2895                 ha->gid_list_info_size = 8;
2896                 ha->optrom_size = OPTROM_SIZE_83XX;
2897                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2898                 ha->isp_ops = &qla8044_isp_ops;
2899                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2900                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2901                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2902                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2903         } else if (IS_QLA83XX(ha)) {
2904                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2905                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2906                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2907                 req_length = REQUEST_ENTRY_CNT_83XX;
2908                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2909                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2910                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2911                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2912                 ha->gid_list_info_size = 8;
2913                 ha->optrom_size = OPTROM_SIZE_83XX;
2914                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2915                 ha->isp_ops = &qla83xx_isp_ops;
2916                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2917                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2918                 ha->nvram_conf_off = ~0;
2919                 ha->nvram_data_off = ~0;
2920         }  else if (IS_QLAFX00(ha)) {
2921                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2922                 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2923                 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2924                 req_length = REQUEST_ENTRY_CNT_FX00;
2925                 rsp_length = RESPONSE_ENTRY_CNT_FX00;
2926                 ha->isp_ops = &qlafx00_isp_ops;
2927                 ha->port_down_retry_count = 30; /* default value */
2928                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2929                 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2930                 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2931                 ha->mr.fw_hbt_en = 1;
2932                 ha->mr.host_info_resend = false;
2933                 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2934         } else if (IS_QLA27XX(ha)) {
2935                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2936                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2937                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2938                 req_length = REQUEST_ENTRY_CNT_83XX;
2939                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2940                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2941                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2942                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2943                 ha->gid_list_info_size = 8;
2944                 ha->optrom_size = OPTROM_SIZE_83XX;
2945                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2946                 ha->isp_ops = &qla27xx_isp_ops;
2947                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2948                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2949                 ha->nvram_conf_off = ~0;
2950                 ha->nvram_data_off = ~0;
2951         }
2952
2953         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2954             "mbx_count=%d, req_length=%d, "
2955             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2956             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2957             "max_fibre_devices=%d.\n",
2958             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2959             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2960             ha->nvram_npiv_size, ha->max_fibre_devices);
2961         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2962             "isp_ops=%p, flash_conf_off=%d, "
2963             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2964             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2965             ha->nvram_conf_off, ha->nvram_data_off);
2966
2967         /* Configure PCI I/O space */
2968         ret = ha->isp_ops->iospace_config(ha);
2969         if (ret)
2970                 goto iospace_config_failed;
2971
2972         ql_log_pci(ql_log_info, pdev, 0x001d,
2973             "Found an ISP%04X irq %d iobase 0x%p.\n",
2974             pdev->device, pdev->irq, ha->iobase);
2975         mutex_init(&ha->vport_lock);
2976         mutex_init(&ha->mq_lock);
2977         init_completion(&ha->mbx_cmd_comp);
2978         complete(&ha->mbx_cmd_comp);
2979         init_completion(&ha->mbx_intr_comp);
2980         init_completion(&ha->dcbx_comp);
2981         init_completion(&ha->lb_portup_comp);
2982
2983         set_bit(0, (unsigned long *) ha->vp_idx_map);
2984
2985         qla2x00_config_dma_addressing(ha);
2986         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2987             "64 Bit addressing is %s.\n",
2988             ha->flags.enable_64bit_addressing ? "enable" :
2989             "disable");
2990         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2991         if (ret) {
2992                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2993                     "Failed to allocate memory for adapter, aborting.\n");
2994
2995                 goto probe_hw_failed;
2996         }
2997
2998         req->max_q_depth = MAX_Q_DEPTH;
2999         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
3000                 req->max_q_depth = ql2xmaxqdepth;
3001
3002
3003         base_vha = qla2x00_create_host(sht, ha);
3004         if (!base_vha) {
3005                 ret = -ENOMEM;
3006                 qla2x00_mem_free(ha);
3007                 qla2x00_free_req_que(ha, req);
3008                 qla2x00_free_rsp_que(ha, rsp);
3009                 goto probe_hw_failed;
3010         }
3011
3012         pci_set_drvdata(pdev, base_vha);
3013         set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3014
3015         host = base_vha->host;
3016         base_vha->req = req;
3017         if (IS_QLA2XXX_MIDTYPE(ha))
3018                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
3019         else
3020                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
3021                                                 base_vha->vp_idx;
3022
3023         /* Setup fcport template structure. */
3024         ha->mr.fcport.vha = base_vha;
3025         ha->mr.fcport.port_type = FCT_UNKNOWN;
3026         ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
3027         qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
3028         ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
3029         ha->mr.fcport.scan_state = 1;
3030
3031         /* Set the SG table size based on ISP type */
3032         if (!IS_FWI2_CAPABLE(ha)) {
3033                 if (IS_QLA2100(ha))
3034                         host->sg_tablesize = 32;
3035         } else {
3036                 if (!IS_QLA82XX(ha))
3037                         host->sg_tablesize = QLA_SG_ALL;
3038         }
3039         host->max_id = ha->max_fibre_devices;
3040         host->cmd_per_lun = 3;
3041         host->unique_id = host->host_no;
3042         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
3043                 host->max_cmd_len = 32;
3044         else
3045                 host->max_cmd_len = MAX_CMDSZ;
3046         host->max_channel = MAX_BUSES - 1;
3047         /* Older HBAs support only 16-bit LUNs */
3048         if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
3049             ql2xmaxlun > 0xffff)
3050                 host->max_lun = 0xffff;
3051         else
3052                 host->max_lun = ql2xmaxlun;
3053         host->transportt = qla2xxx_transport_template;
3054         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
3055
3056         ql_dbg(ql_dbg_init, base_vha, 0x0033,
3057             "max_id=%d this_id=%d "
3058             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
3059             "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
3060             host->this_id, host->cmd_per_lun, host->unique_id,
3061             host->max_cmd_len, host->max_channel, host->max_lun,
3062             host->transportt, sht->vendor_id);
3063
3064         INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
3065
3066         /* Set up the irqs */
3067         ret = qla2x00_request_irqs(ha, rsp);
3068         if (ret)
3069                 goto probe_init_failed;
3070
3071         /* Alloc arrays of request and response ring ptrs */
3072         if (!qla2x00_alloc_queues(ha, req, rsp)) {
3073                 ql_log(ql_log_fatal, base_vha, 0x003d,
3074                     "Failed to allocate memory for queue pointers..."
3075                     "aborting.\n");
3076                 goto probe_init_failed;
3077         }
3078
3079         if (ha->mqenable && shost_use_blk_mq(host)) {
3080                 /* number of hardware queues supported by blk/scsi-mq*/
3081                 host->nr_hw_queues = ha->max_qpairs;
3082
3083                 ql_dbg(ql_dbg_init, base_vha, 0x0192,
3084                         "blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
3085         } else
3086                 ql_dbg(ql_dbg_init, base_vha, 0x0193,
3087                         "blk/scsi-mq disabled.\n");
3088
3089         qlt_probe_one_stage1(base_vha, ha);
3090
3091         pci_save_state(pdev);
3092
3093         /* Assign back pointers */
3094         rsp->req = req;
3095         req->rsp = rsp;
3096
3097         if (IS_QLAFX00(ha)) {
3098                 ha->rsp_q_map[0] = rsp;
3099                 ha->req_q_map[0] = req;
3100                 set_bit(0, ha->req_qid_map);
3101                 set_bit(0, ha->rsp_qid_map);
3102         }
3103
3104         /* FWI2-capable only. */
3105         req->req_q_in = &ha->iobase->isp24.req_q_in;
3106         req->req_q_out = &ha->iobase->isp24.req_q_out;
3107         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
3108         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
3109         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
3110                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
3111                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
3112                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
3113                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
3114         }
3115
3116         if (IS_QLAFX00(ha)) {
3117                 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
3118                 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
3119                 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
3120                 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
3121         }
3122
3123         if (IS_P3P_TYPE(ha)) {
3124                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
3125                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
3126                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
3127         }
3128
3129         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
3130             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3131             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3132         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
3133             "req->req_q_in=%p req->req_q_out=%p "
3134             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3135             req->req_q_in, req->req_q_out,
3136             rsp->rsp_q_in, rsp->rsp_q_out);
3137         ql_dbg(ql_dbg_init, base_vha, 0x003e,
3138             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
3139             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
3140         ql_dbg(ql_dbg_init, base_vha, 0x003f,
3141             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
3142             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
3143
3144         if (ha->isp_ops->initialize_adapter(base_vha)) {
3145                 ql_log(ql_log_fatal, base_vha, 0x00d6,
3146                     "Failed to initialize adapter - Adapter flags %x.\n",
3147                     base_vha->device_flags);
3148
3149                 if (IS_QLA82XX(ha)) {
3150                         qla82xx_idc_lock(ha);
3151                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
3152                                 QLA8XXX_DEV_FAILED);
3153                         qla82xx_idc_unlock(ha);
3154                         ql_log(ql_log_fatal, base_vha, 0x00d7,
3155                             "HW State: FAILED.\n");
3156                 } else if (IS_QLA8044(ha)) {
3157                         qla8044_idc_lock(ha);
3158                         qla8044_wr_direct(base_vha,
3159                                 QLA8044_CRB_DEV_STATE_INDEX,
3160                                 QLA8XXX_DEV_FAILED);
3161                         qla8044_idc_unlock(ha);
3162                         ql_log(ql_log_fatal, base_vha, 0x0150,
3163                             "HW State: FAILED.\n");
3164                 }
3165
3166                 ret = -ENODEV;
3167                 goto probe_failed;
3168         }
3169
3170         if (IS_QLAFX00(ha))
3171                 host->can_queue = QLAFX00_MAX_CANQUEUE;
3172         else
3173                 host->can_queue = req->num_outstanding_cmds - 10;
3174
3175         ql_dbg(ql_dbg_init, base_vha, 0x0032,
3176             "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
3177             host->can_queue, base_vha->req,
3178             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
3179
3180         if (ha->mqenable) {
3181                 bool mq = false;
3182                 bool startit = false;
3183                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
3184
3185                 if (QLA_TGT_MODE_ENABLED()) {
3186                         mq = true;
3187                         startit = false;
3188                 }
3189
3190                 if ((ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED) &&
3191                     shost_use_blk_mq(host)) {
3192                         mq = true;
3193                         startit = true;
3194                 }
3195
3196                 if (mq) {
3197                         /* Create start of day qpairs for Block MQ */
3198                         for (i = 0; i < ha->max_qpairs; i++)
3199                                 qla2xxx_create_qpair(base_vha, 5, 0, startit);
3200                 }
3201         }
3202
3203         if (ha->flags.running_gold_fw)
3204                 goto skip_dpc;
3205
3206         /*
3207          * Startup the kernel thread for this host adapter
3208          */
3209         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
3210             "%s_dpc", base_vha->host_str);
3211         if (IS_ERR(ha->dpc_thread)) {
3212                 ql_log(ql_log_fatal, base_vha, 0x00ed,
3213                     "Failed to start DPC thread.\n");
3214                 ret = PTR_ERR(ha->dpc_thread);
3215                 goto probe_failed;
3216         }
3217         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
3218             "DPC thread started successfully.\n");
3219
3220         /*
3221          * If we're not coming up in initiator mode, we might sit for
3222          * a while without waking up the dpc thread, which leads to a
3223          * stuck process warning.  So just kick the dpc once here and
3224          * let the kthread start (and go back to sleep in qla2x00_do_dpc).
3225          */
3226         qla2xxx_wake_dpc(base_vha);
3227
3228         INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
3229
3230         if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
3231                 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
3232                 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
3233                 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
3234
3235                 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
3236                 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
3237                 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
3238                 INIT_WORK(&ha->idc_state_handler,
3239                     qla83xx_idc_state_handler_work);
3240                 INIT_WORK(&ha->nic_core_unrecoverable,
3241                     qla83xx_nic_core_unrecoverable_work);
3242         }
3243
3244 skip_dpc:
3245         list_add_tail(&base_vha->list, &ha->vp_list);
3246         base_vha->host->irq = ha->pdev->irq;
3247
3248         /* Initialized the timer */
3249         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
3250         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
3251             "Started qla2x00_timer with "
3252             "interval=%d.\n", WATCH_INTERVAL);
3253         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
3254             "Detected hba at address=%p.\n",
3255             ha);
3256
3257         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
3258                 if (ha->fw_attributes & BIT_4) {
3259                         int prot = 0, guard;
3260                         base_vha->flags.difdix_supported = 1;
3261                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
3262                             "Registering for DIF/DIX type 1 and 3 protection.\n");
3263                         if (ql2xenabledif == 1)
3264                                 prot = SHOST_DIX_TYPE0_PROTECTION;
3265                         scsi_host_set_prot(host,
3266                             prot | SHOST_DIF_TYPE1_PROTECTION
3267                             | SHOST_DIF_TYPE2_PROTECTION
3268                             | SHOST_DIF_TYPE3_PROTECTION
3269                             | SHOST_DIX_TYPE1_PROTECTION
3270                             | SHOST_DIX_TYPE2_PROTECTION
3271                             | SHOST_DIX_TYPE3_PROTECTION);
3272
3273                         guard = SHOST_DIX_GUARD_CRC;
3274
3275                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
3276                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
3277                                 guard |= SHOST_DIX_GUARD_IP;
3278
3279                         scsi_host_set_guard(host, guard);
3280                 } else
3281                         base_vha->flags.difdix_supported = 0;
3282         }
3283
3284         ha->isp_ops->enable_intrs(ha);
3285
3286         if (IS_QLAFX00(ha)) {
3287                 ret = qlafx00_fx_disc(base_vha,
3288                         &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
3289                 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
3290                     QLA_SG_ALL : 128;
3291         }
3292
3293         ret = scsi_add_host(host, &pdev->dev);
3294         if (ret)
3295                 goto probe_failed;
3296
3297         base_vha->flags.init_done = 1;
3298         base_vha->flags.online = 1;
3299         ha->prev_minidump_failed = 0;
3300
3301         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
3302             "Init done and hba is online.\n");
3303
3304         if (qla_ini_mode_enabled(base_vha) ||
3305                 qla_dual_mode_enabled(base_vha))
3306                 scsi_scan_host(host);
3307         else
3308                 ql_dbg(ql_dbg_init, base_vha, 0x0122,
3309                         "skipping scsi_scan_host() for non-initiator port\n");
3310
3311         qla2x00_alloc_sysfs_attr(base_vha);
3312
3313         if (IS_QLAFX00(ha)) {
3314                 ret = qlafx00_fx_disc(base_vha,
3315                         &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
3316
3317                 /* Register system information */
3318                 ret =  qlafx00_fx_disc(base_vha,
3319                         &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
3320         }
3321
3322         qla2x00_init_host_attr(base_vha);
3323
3324         qla2x00_dfs_setup(base_vha);
3325
3326         ql_log(ql_log_info, base_vha, 0x00fb,
3327             "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
3328         ql_log(ql_log_info, base_vha, 0x00fc,
3329             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
3330             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
3331             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
3332             base_vha->host_no,
3333             ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
3334
3335         qlt_add_target(ha, base_vha);
3336
3337         clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
3338
3339         if (test_bit(UNLOADING, &base_vha->dpc_flags))
3340                 return -ENODEV;
3341
3342         if (ha->flags.detected_lr_sfp) {
3343                 ql_log(ql_log_info, base_vha, 0xffff,
3344                     "Reset chip to pick up LR SFP setting\n");
3345                 set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
3346                 qla2xxx_wake_dpc(base_vha);
3347         }
3348
3349         return 0;
3350
3351 probe_init_failed:
3352         qla2x00_free_req_que(ha, req);
3353         ha->req_q_map[0] = NULL;
3354         clear_bit(0, ha->req_qid_map);
3355         qla2x00_free_rsp_que(ha, rsp);
3356         ha->rsp_q_map[0] = NULL;
3357         clear_bit(0, ha->rsp_qid_map);
3358         ha->max_req_queues = ha->max_rsp_queues = 0;
3359
3360 probe_failed:
3361         if (base_vha->timer_active)
3362                 qla2x00_stop_timer(base_vha);
3363         base_vha->flags.online = 0;
3364         if (ha->dpc_thread) {
3365                 struct task_struct *t = ha->dpc_thread;
3366
3367                 ha->dpc_thread = NULL;
3368                 kthread_stop(t);
3369         }
3370
3371         qla2x00_free_device(base_vha);
3372
3373         scsi_host_put(base_vha->host);
3374
3375 probe_hw_failed:
3376         qla2x00_clear_drv_active(ha);
3377
3378 iospace_config_failed:
3379         if (IS_P3P_TYPE(ha)) {
3380                 if (!ha->nx_pcibase)
3381                         iounmap((device_reg_t *)ha->nx_pcibase);
3382                 if (!ql2xdbwr)
3383                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3384         } else {
3385                 if (ha->iobase)
3386                         iounmap(ha->iobase);
3387                 if (ha->cregbase)
3388                         iounmap(ha->cregbase);
3389         }
3390         pci_release_selected_regions(ha->pdev, ha->bars);
3391         kfree(ha);
3392
3393 disable_device:
3394         pci_disable_device(pdev);
3395         return ret;
3396 }
3397
3398 static void
3399 qla2x00_shutdown(struct pci_dev *pdev)
3400 {
3401         scsi_qla_host_t *vha;
3402         struct qla_hw_data  *ha;
3403
3404         vha = pci_get_drvdata(pdev);
3405         ha = vha->hw;
3406
3407         ql_log(ql_log_info, vha, 0xfffa,
3408                 "Adapter shutdown\n");
3409
3410         /*
3411          * Prevent future board_disable and wait
3412          * until any pending board_disable has completed.
3413          */
3414         set_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags);
3415         cancel_work_sync(&ha->board_disable);
3416
3417         if (!atomic_read(&pdev->enable_cnt))
3418                 return;
3419
3420         /* Notify ISPFX00 firmware */
3421         if (IS_QLAFX00(ha))
3422                 qlafx00_driver_shutdown(vha, 20);
3423
3424         /* Turn-off FCE trace */
3425         if (ha->flags.fce_enabled) {
3426                 qla2x00_disable_fce_trace(vha, NULL, NULL);
3427                 ha->flags.fce_enabled = 0;
3428         }
3429
3430         /* Turn-off EFT trace */
3431         if (ha->eft)
3432                 qla2x00_disable_eft_trace(vha);
3433
3434         /* Stop currently executing firmware. */
3435         qla2x00_try_to_stop_firmware(vha);
3436
3437         /* Turn adapter off line */
3438         vha->flags.online = 0;
3439
3440         /* turn-off interrupts on the card */
3441         if (ha->interrupts_on) {
3442                 vha->flags.init_done = 0;
3443                 ha->isp_ops->disable_intrs(ha);
3444         }
3445
3446         qla2x00_free_irqs(vha);
3447
3448         qla2x00_free_fw_dump(ha);
3449
3450         pci_disable_device(pdev);
3451         ql_log(ql_log_info, vha, 0xfffe,
3452                 "Adapter shutdown successfully.\n");
3453 }
3454
3455 /* Deletes all the virtual ports for a given ha */
3456 static void
3457 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3458 {
3459         scsi_qla_host_t *vha;
3460         unsigned long flags;
3461
3462         mutex_lock(&ha->vport_lock);
3463         while (ha->cur_vport_count) {
3464                 spin_lock_irqsave(&ha->vport_slock, flags);
3465
3466                 BUG_ON(base_vha->list.next == &ha->vp_list);
3467                 /* This assumes first entry in ha->vp_list is always base vha */
3468                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3469                 scsi_host_get(vha->host);
3470
3471                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3472                 mutex_unlock(&ha->vport_lock);
3473
3474                 fc_vport_terminate(vha->fc_vport);
3475                 scsi_host_put(vha->host);
3476
3477                 mutex_lock(&ha->vport_lock);
3478         }
3479         mutex_unlock(&ha->vport_lock);
3480 }