Version:  2.0.40 2.2.26 2.4.37 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9

Linux/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 <scsi/scsi_tcq.h>
 17 #include <scsi/scsicam.h>
 18 #include <scsi/scsi_transport.h>
 19 #include <scsi/scsi_transport_fc.h>
 20 
 21 #include "qla_target.h"
 22 
 23 /*
 24  * Driver version
 25  */
 26 char qla2x00_version_str[40];
 27 
 28 static int apidev_major;
 29 
 30 /*
 31  * SRB allocation cache
 32  */
 33 static struct kmem_cache *srb_cachep;
 34 
 35 /*
 36  * CT6 CTX allocation cache
 37  */
 38 static struct kmem_cache *ctx_cachep;
 39 /*
 40  * error level for logging
 41  */
 42 int ql_errlev = ql_log_all;
 43 
 44 static int ql2xenableclass2;
 45 module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
 46 MODULE_PARM_DESC(ql2xenableclass2,
 47                 "Specify if Class 2 operations are supported from the very "
 48                 "beginning. Default is 0 - class 2 not supported.");
 49 
 50 
 51 int ql2xlogintimeout = 20;
 52 module_param(ql2xlogintimeout, int, S_IRUGO);
 53 MODULE_PARM_DESC(ql2xlogintimeout,
 54                 "Login timeout value in seconds.");
 55 
 56 int qlport_down_retry;
 57 module_param(qlport_down_retry, int, S_IRUGO);
 58 MODULE_PARM_DESC(qlport_down_retry,
 59                 "Maximum number of command retries to a port that returns "
 60                 "a PORT-DOWN status.");
 61 
 62 int ql2xplogiabsentdevice;
 63 module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
 64 MODULE_PARM_DESC(ql2xplogiabsentdevice,
 65                 "Option to enable PLOGI to devices that are not present after "
 66                 "a Fabric scan.  This is needed for several broken switches. "
 67                 "Default is 0 - no PLOGI. 1 - perfom PLOGI.");
 68 
 69 int ql2xloginretrycount = 0;
 70 module_param(ql2xloginretrycount, int, S_IRUGO);
 71 MODULE_PARM_DESC(ql2xloginretrycount,
 72                 "Specify an alternate value for the NVRAM login retry count.");
 73 
 74 int ql2xallocfwdump = 1;
 75 module_param(ql2xallocfwdump, int, S_IRUGO);
 76 MODULE_PARM_DESC(ql2xallocfwdump,
 77                 "Option to enable allocation of memory for a firmware dump "
 78                 "during HBA initialization.  Memory allocation requirements "
 79                 "vary by ISP type.  Default is 1 - allocate memory.");
 80 
 81 int ql2xextended_error_logging;
 82 module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
 83 module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
 84 MODULE_PARM_DESC(ql2xextended_error_logging,
 85                 "Option to enable extended error logging,\n"
 86                 "\t\tDefault is 0 - no logging.  0x40000000 - Module Init & Probe.\n"
 87                 "\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
 88                 "\t\t0x08000000 - IO tracing.    0x04000000 - DPC Thread.\n"
 89                 "\t\t0x02000000 - Async events.  0x01000000 - Timer routines.\n"
 90                 "\t\t0x00800000 - User space.    0x00400000 - Task Management.\n"
 91                 "\t\t0x00200000 - AER/EEH.       0x00100000 - Multi Q.\n"
 92                 "\t\t0x00080000 - P3P Specific.  0x00040000 - Virtual Port.\n"
 93                 "\t\t0x00020000 - Buffer Dump.   0x00010000 - Misc.\n"
 94                 "\t\t0x00008000 - Verbose.       0x00004000 - Target.\n"
 95                 "\t\t0x00002000 - Target Mgmt.   0x00001000 - Target TMF.\n"
 96                 "\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
 97                 "\t\t0x1e400000 - Preferred value for capturing essential "
 98                 "debug information (equivalent to old "
 99                 "ql2xextended_error_logging=1).\n"
100                 "\t\tDo LOGICAL OR of the value to enable more than one level");
101 
102 int ql2xshiftctondsd = 6;
103 module_param(ql2xshiftctondsd, int, S_IRUGO);
104 MODULE_PARM_DESC(ql2xshiftctondsd,
105                 "Set to control shifting of command type processing "
106                 "based on total number of SG elements.");
107 
108 int ql2xfdmienable=1;
109 module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
110 module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
111 MODULE_PARM_DESC(ql2xfdmienable,
112                 "Enables FDMI registrations. "
113                 "0 - no FDMI. Default is 1 - perform FDMI.");
114 
115 #define MAX_Q_DEPTH     32
116 static int ql2xmaxqdepth = MAX_Q_DEPTH;
117 module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
118 MODULE_PARM_DESC(ql2xmaxqdepth,
119                 "Maximum queue depth to set for each LUN. "
120                 "Default is 32.");
121 
122 int ql2xenabledif = 2;
123 module_param(ql2xenabledif, int, S_IRUGO);
124 MODULE_PARM_DESC(ql2xenabledif,
125                 " Enable T10-CRC-DIF:\n"
126                 " Default is 2.\n"
127                 "  0 -- No DIF Support\n"
128                 "  1 -- Enable DIF for all types\n"
129                 "  2 -- Enable DIF for all types, except Type 0.\n");
130 
131 int ql2xenablehba_err_chk = 2;
132 module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
133 MODULE_PARM_DESC(ql2xenablehba_err_chk,
134                 " Enable T10-CRC-DIF Error isolation by HBA:\n"
135                 " Default is 2.\n"
136                 "  0 -- Error isolation disabled\n"
137                 "  1 -- Error isolation enabled only for DIX Type 0\n"
138                 "  2 -- Error isolation enabled for all Types\n");
139 
140 int ql2xiidmaenable=1;
141 module_param(ql2xiidmaenable, int, S_IRUGO);
142 MODULE_PARM_DESC(ql2xiidmaenable,
143                 "Enables iIDMA settings "
144                 "Default is 1 - perform iIDMA. 0 - no iIDMA.");
145 
146 int ql2xmaxqueues = 1;
147 module_param(ql2xmaxqueues, int, S_IRUGO);
148 MODULE_PARM_DESC(ql2xmaxqueues,
149                 "Enables MQ settings "
150                 "Default is 1 for single queue. Set it to number "
151                 "of queues in MQ mode.");
152 
153 int ql2xmultique_tag;
154 module_param(ql2xmultique_tag, int, S_IRUGO);
155 MODULE_PARM_DESC(ql2xmultique_tag,
156                 "Enables CPU affinity settings for the driver "
157                 "Default is 0 for no affinity of request and response IO. "
158                 "Set it to 1 to turn on the cpu affinity.");
159 
160 int ql2xfwloadbin;
161 module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
162 module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
163 MODULE_PARM_DESC(ql2xfwloadbin,
164                 "Option to specify location from which to load ISP firmware:.\n"
165                 " 2 -- load firmware via the request_firmware() (hotplug).\n"
166                 "      interface.\n"
167                 " 1 -- load firmware from flash.\n"
168                 " 0 -- use default semantics.\n");
169 
170 int ql2xetsenable;
171 module_param(ql2xetsenable, int, S_IRUGO);
172 MODULE_PARM_DESC(ql2xetsenable,
173                 "Enables firmware ETS burst."
174                 "Default is 0 - skip ETS enablement.");
175 
176 int ql2xdbwr = 1;
177 module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
178 MODULE_PARM_DESC(ql2xdbwr,
179                 "Option to specify scheme for request queue posting.\n"
180                 " 0 -- Regular doorbell.\n"
181                 " 1 -- CAMRAM doorbell (faster).\n");
182 
183 int ql2xtargetreset = 1;
184 module_param(ql2xtargetreset, int, S_IRUGO);
185 MODULE_PARM_DESC(ql2xtargetreset,
186                  "Enable target reset."
187                  "Default is 1 - use hw defaults.");
188 
189 int ql2xgffidenable;
190 module_param(ql2xgffidenable, int, S_IRUGO);
191 MODULE_PARM_DESC(ql2xgffidenable,
192                 "Enables GFF_ID checks of port type. "
193                 "Default is 0 - Do not use GFF_ID information.");
194 
195 int ql2xasynctmfenable;
196 module_param(ql2xasynctmfenable, int, S_IRUGO);
197 MODULE_PARM_DESC(ql2xasynctmfenable,
198                 "Enables issue of TM IOCBs asynchronously via IOCB mechanism"
199                 "Default is 0 - Issue TM IOCBs via mailbox mechanism.");
200 
201 int ql2xdontresethba;
202 module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
203 MODULE_PARM_DESC(ql2xdontresethba,
204                 "Option to specify reset behaviour.\n"
205                 " 0 (Default) -- Reset on failure.\n"
206                 " 1 -- Do not reset on failure.\n");
207 
208 uint64_t ql2xmaxlun = MAX_LUNS;
209 module_param(ql2xmaxlun, ullong, S_IRUGO);
210 MODULE_PARM_DESC(ql2xmaxlun,
211                 "Defines the maximum LU number to register with the SCSI "
212                 "midlayer. Default is 65535.");
213 
214 int ql2xmdcapmask = 0x1F;
215 module_param(ql2xmdcapmask, int, S_IRUGO);
216 MODULE_PARM_DESC(ql2xmdcapmask,
217                 "Set the Minidump driver capture mask level. "
218                 "Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
219 
220 int ql2xmdenable = 1;
221 module_param(ql2xmdenable, int, S_IRUGO);
222 MODULE_PARM_DESC(ql2xmdenable,
223                 "Enable/disable MiniDump. "
224                 "0 - MiniDump disabled. "
225                 "1 (Default) - MiniDump enabled.");
226 
227 int ql2xexlogins = 0;
228 module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
229 MODULE_PARM_DESC(ql2xexlogins,
230                  "Number of extended Logins. "
231                  "0 (Default)- Disabled.");
232 
233 int ql2xexchoffld = 0;
234 module_param(ql2xexchoffld, uint, S_IRUGO|S_IWUSR);
235 MODULE_PARM_DESC(ql2xexchoffld,
236                  "Number of exchanges to offload. "
237                  "0 (Default)- Disabled.");
238 
239 int ql2xfwholdabts = 0;
240 module_param(ql2xfwholdabts, int, S_IRUGO);
241 MODULE_PARM_DESC(ql2xfwholdabts,
242                 "Allow FW to hold status IOCB until ABTS rsp received. "
243                 "0 (Default) Do not set fw option. "
244                 "1 - Set fw option to hold ABTS.");
245 
246 /*
247  * SCSI host template entry points
248  */
249 static int qla2xxx_slave_configure(struct scsi_device * device);
250 static int qla2xxx_slave_alloc(struct scsi_device *);
251 static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time);
252 static void qla2xxx_scan_start(struct Scsi_Host *);
253 static void qla2xxx_slave_destroy(struct scsi_device *);
254 static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd);
255 static int qla2xxx_eh_abort(struct scsi_cmnd *);
256 static int qla2xxx_eh_device_reset(struct scsi_cmnd *);
257 static int qla2xxx_eh_target_reset(struct scsi_cmnd *);
258 static int qla2xxx_eh_bus_reset(struct scsi_cmnd *);
259 static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
260 
261 static void qla2x00_clear_drv_active(struct qla_hw_data *);
262 static void qla2x00_free_device(scsi_qla_host_t *);
263 static void qla83xx_disable_laser(scsi_qla_host_t *vha);
264 
265 struct scsi_host_template qla2xxx_driver_template = {
266         .module                 = THIS_MODULE,
267         .name                   = QLA2XXX_DRIVER_NAME,
268         .queuecommand           = qla2xxx_queuecommand,
269 
270         .eh_abort_handler       = qla2xxx_eh_abort,
271         .eh_device_reset_handler = qla2xxx_eh_device_reset,
272         .eh_target_reset_handler = qla2xxx_eh_target_reset,
273         .eh_bus_reset_handler   = qla2xxx_eh_bus_reset,
274         .eh_host_reset_handler  = qla2xxx_eh_host_reset,
275 
276         .slave_configure        = qla2xxx_slave_configure,
277 
278         .slave_alloc            = qla2xxx_slave_alloc,
279         .slave_destroy          = qla2xxx_slave_destroy,
280         .scan_finished          = qla2xxx_scan_finished,
281         .scan_start             = qla2xxx_scan_start,
282         .change_queue_depth     = scsi_change_queue_depth,
283         .this_id                = -1,
284         .cmd_per_lun            = 3,
285         .use_clustering         = ENABLE_CLUSTERING,
286         .sg_tablesize           = SG_ALL,
287 
288         .max_sectors            = 0xFFFF,
289         .shost_attrs            = qla2x00_host_attrs,
290 
291         .supported_mode         = MODE_INITIATOR,
292         .track_queue_depth      = 1,
293 };
294 
295 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
296 struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
297 
298 /* TODO Convert to inlines
299  *
300  * Timer routines
301  */
302 
303 __inline__ void
304 qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval)
305 {
306         init_timer(&vha->timer);
307         vha->timer.expires = jiffies + interval * HZ;
308         vha->timer.data = (unsigned long)vha;
309         vha->timer.function = (void (*)(unsigned long))func;
310         add_timer(&vha->timer);
311         vha->timer_active = 1;
312 }
313 
314 static inline void
315 qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
316 {
317         /* Currently used for 82XX only. */
318         if (vha->device_flags & DFLG_DEV_FAILED) {
319                 ql_dbg(ql_dbg_timer, vha, 0x600d,
320                     "Device in a failed state, returning.\n");
321                 return;
322         }
323 
324         mod_timer(&vha->timer, jiffies + interval * HZ);
325 }
326 
327 static __inline__ void
328 qla2x00_stop_timer(scsi_qla_host_t *vha)
329 {
330         del_timer_sync(&vha->timer);
331         vha->timer_active = 0;
332 }
333 
334 static int qla2x00_do_dpc(void *data);
335 
336 static void qla2x00_rst_aen(scsi_qla_host_t *);
337 
338 static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
339         struct req_que **, struct rsp_que **);
340 static void qla2x00_free_fw_dump(struct qla_hw_data *);
341 static void qla2x00_mem_free(struct qla_hw_data *);
342 
343 /* -------------------------------------------------------------------------- */
344 static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
345                                 struct rsp_que *rsp)
346 {
347         scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
348         ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues,
349                                 GFP_KERNEL);
350         if (!ha->req_q_map) {
351                 ql_log(ql_log_fatal, vha, 0x003b,
352                     "Unable to allocate memory for request queue ptrs.\n");
353                 goto fail_req_map;
354         }
355 
356         ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues,
357                                 GFP_KERNEL);
358         if (!ha->rsp_q_map) {
359                 ql_log(ql_log_fatal, vha, 0x003c,
360                     "Unable to allocate memory for response queue ptrs.\n");
361                 goto fail_rsp_map;
362         }
363         /*
364          * Make sure we record at least the request and response queue zero in
365          * case we need to free them if part of the probe fails.
366          */
367         ha->rsp_q_map[0] = rsp;
368         ha->req_q_map[0] = req;
369         set_bit(0, ha->rsp_qid_map);
370         set_bit(0, ha->req_qid_map);
371         return 1;
372 
373 fail_rsp_map:
374         kfree(ha->req_q_map);
375         ha->req_q_map = NULL;
376 fail_req_map:
377         return -ENOMEM;
378 }
379 
380 static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
381 {
382         if (IS_QLAFX00(ha)) {
383                 if (req && req->ring_fx00)
384                         dma_free_coherent(&ha->pdev->dev,
385                             (req->length_fx00 + 1) * sizeof(request_t),
386                             req->ring_fx00, req->dma_fx00);
387         } else if (req && req->ring)
388                 dma_free_coherent(&ha->pdev->dev,
389                 (req->length + 1) * sizeof(request_t),
390                 req->ring, req->dma);
391 
392         if (req)
393                 kfree(req->outstanding_cmds);
394 
395         kfree(req);
396         req = NULL;
397 }
398 
399 static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
400 {
401         if (IS_QLAFX00(ha)) {
402                 if (rsp && rsp->ring)
403                         dma_free_coherent(&ha->pdev->dev,
404                             (rsp->length_fx00 + 1) * sizeof(request_t),
405                             rsp->ring_fx00, rsp->dma_fx00);
406         } else if (rsp && rsp->ring) {
407                 dma_free_coherent(&ha->pdev->dev,
408                 (rsp->length + 1) * sizeof(response_t),
409                 rsp->ring, rsp->dma);
410         }
411         kfree(rsp);
412         rsp = NULL;
413 }
414 
415 static void qla2x00_free_queues(struct qla_hw_data *ha)
416 {
417         struct req_que *req;
418         struct rsp_que *rsp;
419         int cnt;
420 
421         for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
422                 if (!test_bit(cnt, ha->req_qid_map))
423                         continue;
424 
425                 req = ha->req_q_map[cnt];
426                 qla2x00_free_req_que(ha, req);
427         }
428         kfree(ha->req_q_map);
429         ha->req_q_map = NULL;
430 
431         for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
432                 if (!test_bit(cnt, ha->rsp_qid_map))
433                         continue;
434 
435                 rsp = ha->rsp_q_map[cnt];
436                 qla2x00_free_rsp_que(ha, rsp);
437         }
438         kfree(ha->rsp_q_map);
439         ha->rsp_q_map = NULL;
440 }
441 
442 static int qla25xx_setup_mode(struct scsi_qla_host *vha)
443 {
444         uint16_t options = 0;
445         int ques, req, ret;
446         struct qla_hw_data *ha = vha->hw;
447 
448         if (!(ha->fw_attributes & BIT_6)) {
449                 ql_log(ql_log_warn, vha, 0x00d8,
450                     "Firmware is not multi-queue capable.\n");
451                 goto fail;
452         }
453         if (ql2xmultique_tag) {
454                 /* create a request queue for IO */
455                 options |= BIT_7;
456                 req = qla25xx_create_req_que(ha, options, 0, 0, -1,
457                         QLA_DEFAULT_QUE_QOS);
458                 if (!req) {
459                         ql_log(ql_log_warn, vha, 0x00e0,
460                             "Failed to create request queue.\n");
461                         goto fail;
462                 }
463                 ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
464                 vha->req = ha->req_q_map[req];
465                 options |= BIT_1;
466                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
467                         ret = qla25xx_create_rsp_que(ha, options, 0, 0, req);
468                         if (!ret) {
469                                 ql_log(ql_log_warn, vha, 0x00e8,
470                                     "Failed to create response queue.\n");
471                                 goto fail2;
472                         }
473                 }
474                 ha->flags.cpu_affinity_enabled = 1;
475                 ql_dbg(ql_dbg_multiq, vha, 0xc007,
476                     "CPU affinity mode enabled, "
477                     "no. of response queues:%d no. of request queues:%d.\n",
478                     ha->max_rsp_queues, ha->max_req_queues);
479                 ql_dbg(ql_dbg_init, vha, 0x00e9,
480                     "CPU affinity mode enabled, "
481                     "no. of response queues:%d no. of request queues:%d.\n",
482                     ha->max_rsp_queues, ha->max_req_queues);
483         }
484         return 0;
485 fail2:
486         qla25xx_delete_queues(vha);
487         destroy_workqueue(ha->wq);
488         ha->wq = NULL;
489         vha->req = ha->req_q_map[0];
490 fail:
491         ha->mqenable = 0;
492         kfree(ha->req_q_map);
493         kfree(ha->rsp_q_map);
494         ha->max_req_queues = ha->max_rsp_queues = 1;
495         return 1;
496 }
497 
498 static char *
499 qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str)
500 {
501         struct qla_hw_data *ha = vha->hw;
502         static char *pci_bus_modes[] = {
503                 "33", "66", "100", "133",
504         };
505         uint16_t pci_bus;
506 
507         strcpy(str, "PCI");
508         pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
509         if (pci_bus) {
510                 strcat(str, "-X (");
511                 strcat(str, pci_bus_modes[pci_bus]);
512         } else {
513                 pci_bus = (ha->pci_attr & BIT_8) >> 8;
514                 strcat(str, " (");
515                 strcat(str, pci_bus_modes[pci_bus]);
516         }
517         strcat(str, " MHz)");
518 
519         return (str);
520 }
521 
522 static char *
523 qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str)
524 {
525         static char *pci_bus_modes[] = { "33", "66", "100", "133", };
526         struct qla_hw_data *ha = vha->hw;
527         uint32_t pci_bus;
528 
529         if (pci_is_pcie(ha->pdev)) {
530                 char lwstr[6];
531                 uint32_t lstat, lspeed, lwidth;
532 
533                 pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
534                 lspeed = lstat & PCI_EXP_LNKCAP_SLS;
535                 lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
536 
537                 strcpy(str, "PCIe (");
538                 switch (lspeed) {
539                 case 1:
540                         strcat(str, "2.5GT/s ");
541                         break;
542                 case 2:
543                         strcat(str, "5.0GT/s ");
544                         break;
545                 case 3:
546                         strcat(str, "8.0GT/s ");
547                         break;
548                 default:
549                         strcat(str, "<unknown> ");
550                         break;
551                 }
552                 snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth);
553                 strcat(str, lwstr);
554 
555                 return str;
556         }
557 
558         strcpy(str, "PCI");
559         pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
560         if (pci_bus == 0 || pci_bus == 8) {
561                 strcat(str, " (");
562                 strcat(str, pci_bus_modes[pci_bus >> 3]);
563         } else {
564                 strcat(str, "-X ");
565                 if (pci_bus & BIT_2)
566                         strcat(str, "Mode 2");
567                 else
568                         strcat(str, "Mode 1");
569                 strcat(str, " (");
570                 strcat(str, pci_bus_modes[pci_bus & ~BIT_2]);
571         }
572         strcat(str, " MHz)");
573 
574         return str;
575 }
576 
577 static char *
578 qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
579 {
580         char un_str[10];
581         struct qla_hw_data *ha = vha->hw;
582 
583         snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
584             ha->fw_minor_version, ha->fw_subminor_version);
585 
586         if (ha->fw_attributes & BIT_9) {
587                 strcat(str, "FLX");
588                 return (str);
589         }
590 
591         switch (ha->fw_attributes & 0xFF) {
592         case 0x7:
593                 strcat(str, "EF");
594                 break;
595         case 0x17:
596                 strcat(str, "TP");
597                 break;
598         case 0x37:
599                 strcat(str, "IP");
600                 break;
601         case 0x77:
602                 strcat(str, "VI");
603                 break;
604         default:
605                 sprintf(un_str, "(%x)", ha->fw_attributes);
606                 strcat(str, un_str);
607                 break;
608         }
609         if (ha->fw_attributes & 0x100)
610                 strcat(str, "X");
611 
612         return (str);
613 }
614 
615 static char *
616 qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
617 {
618         struct qla_hw_data *ha = vha->hw;
619 
620         snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
621             ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
622         return str;
623 }
624 
625 void
626 qla2x00_sp_free_dma(void *vha, void *ptr)
627 {
628         srb_t *sp = (srb_t *)ptr;
629         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
630         struct qla_hw_data *ha = sp->fcport->vha->hw;
631         void *ctx = GET_CMD_CTX_SP(sp);
632 
633         if (sp->flags & SRB_DMA_VALID) {
634                 scsi_dma_unmap(cmd);
635                 sp->flags &= ~SRB_DMA_VALID;
636         }
637 
638         if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
639                 dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
640                     scsi_prot_sg_count(cmd), cmd->sc_data_direction);
641                 sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
642         }
643 
644         if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
645                 /* List assured to be having elements */
646                 qla2x00_clean_dsd_pool(ha, sp, NULL);
647                 sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
648         }
649 
650         if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
651                 dma_pool_free(ha->dl_dma_pool, ctx,
652                     ((struct crc_context *)ctx)->crc_ctx_dma);
653                 sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
654         }
655 
656         if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
657                 struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx;
658 
659                 dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
660                         ctx1->fcp_cmnd_dma);
661                 list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
662                 ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
663                 ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
664                 mempool_free(ctx1, ha->ctx_mempool);
665                 ctx1 = NULL;
666         }
667 
668         CMD_SP(cmd) = NULL;
669         qla2x00_rel_sp(sp->fcport->vha, sp);
670 }
671 
672 static void
673 qla2x00_sp_compl(void *data, void *ptr, int res)
674 {
675         struct qla_hw_data *ha = (struct qla_hw_data *)data;
676         srb_t *sp = (srb_t *)ptr;
677         struct scsi_cmnd *cmd = GET_CMD_SP(sp);
678 
679         cmd->result = res;
680 
681         if (atomic_read(&sp->ref_count) == 0) {
682                 ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015,
683                     "SP reference-count to ZERO -- sp=%p cmd=%p.\n",
684                     sp, GET_CMD_SP(sp));
685                 if (ql2xextended_error_logging & ql_dbg_io)
686                         WARN_ON(atomic_read(&sp->ref_count) == 0);
687                 return;
688         }
689         if (!atomic_dec_and_test(&sp->ref_count))
690                 return;
691 
692         qla2x00_sp_free_dma(ha, sp);
693         cmd->scsi_done(cmd);
694 }
695 
696 /* If we are SP1 here, we need to still take and release the host_lock as SP1
697  * does not have the changes necessary to avoid taking host->host_lock.
698  */
699 static int
700 qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
701 {
702         scsi_qla_host_t *vha = shost_priv(host);
703         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
704         struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
705         struct qla_hw_data *ha = vha->hw;
706         struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
707         srb_t *sp;
708         int rval;
709 
710         if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags))) {
711                 cmd->result = DID_NO_CONNECT << 16;
712                 goto qc24_fail_command;
713         }
714 
715         if (ha->flags.eeh_busy) {
716                 if (ha->flags.pci_channel_io_perm_failure) {
717                         ql_dbg(ql_dbg_aer, vha, 0x9010,
718                             "PCI Channel IO permanent failure, exiting "
719                             "cmd=%p.\n", cmd);
720                         cmd->result = DID_NO_CONNECT << 16;
721                 } else {
722                         ql_dbg(ql_dbg_aer, vha, 0x9011,
723                             "EEH_Busy, Requeuing the cmd=%p.\n", cmd);
724                         cmd->result = DID_REQUEUE << 16;
725                 }
726                 goto qc24_fail_command;
727         }
728 
729         rval = fc_remote_port_chkready(rport);
730         if (rval) {
731                 cmd->result = rval;
732                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
733                     "fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
734                     cmd, rval);
735                 goto qc24_fail_command;
736         }
737 
738         if (!vha->flags.difdix_supported &&
739                 scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
740                         ql_dbg(ql_dbg_io, vha, 0x3004,
741                             "DIF Cap not reg, fail DIF capable cmd's:%p.\n",
742                             cmd);
743                         cmd->result = DID_NO_CONNECT << 16;
744                         goto qc24_fail_command;
745         }
746 
747         if (!fcport) {
748                 cmd->result = DID_NO_CONNECT << 16;
749                 goto qc24_fail_command;
750         }
751 
752         if (atomic_read(&fcport->state) != FCS_ONLINE) {
753                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
754                         atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
755                         ql_dbg(ql_dbg_io, vha, 0x3005,
756                             "Returning DNC, fcport_state=%d loop_state=%d.\n",
757                             atomic_read(&fcport->state),
758                             atomic_read(&base_vha->loop_state));
759                         cmd->result = DID_NO_CONNECT << 16;
760                         goto qc24_fail_command;
761                 }
762                 goto qc24_target_busy;
763         }
764 
765         /*
766          * Return target busy if we've received a non-zero retry_delay_timer
767          * in a FCP_RSP.
768          */
769         if (fcport->retry_delay_timestamp == 0) {
770                 /* retry delay not set */
771         } else if (time_after(jiffies, fcport->retry_delay_timestamp))
772                 fcport->retry_delay_timestamp = 0;
773         else
774                 goto qc24_target_busy;
775 
776         sp = qla2x00_get_sp(vha, fcport, GFP_ATOMIC);
777         if (!sp)
778                 goto qc24_host_busy;
779 
780         sp->u.scmd.cmd = cmd;
781         sp->type = SRB_SCSI_CMD;
782         atomic_set(&sp->ref_count, 1);
783         CMD_SP(cmd) = (void *)sp;
784         sp->free = qla2x00_sp_free_dma;
785         sp->done = qla2x00_sp_compl;
786 
787         rval = ha->isp_ops->start_scsi(sp);
788         if (rval != QLA_SUCCESS) {
789                 ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
790                     "Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
791                 goto qc24_host_busy_free_sp;
792         }
793 
794         return 0;
795 
796 qc24_host_busy_free_sp:
797         qla2x00_sp_free_dma(ha, sp);
798 
799 qc24_host_busy:
800         return SCSI_MLQUEUE_HOST_BUSY;
801 
802 qc24_target_busy:
803         return SCSI_MLQUEUE_TARGET_BUSY;
804 
805 qc24_fail_command:
806         cmd->scsi_done(cmd);
807 
808         return 0;
809 }
810 
811 /*
812  * qla2x00_eh_wait_on_command
813  *    Waits for the command to be returned by the Firmware for some
814  *    max time.
815  *
816  * Input:
817  *    cmd = Scsi Command to wait on.
818  *
819  * Return:
820  *    Not Found : 0
821  *    Found : 1
822  */
823 static int
824 qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd)
825 {
826 #define ABORT_POLLING_PERIOD    1000
827 #define ABORT_WAIT_ITER         ((2 * 1000) / (ABORT_POLLING_PERIOD))
828         unsigned long wait_iter = ABORT_WAIT_ITER;
829         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
830         struct qla_hw_data *ha = vha->hw;
831         int ret = QLA_SUCCESS;
832 
833         if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) {
834                 ql_dbg(ql_dbg_taskm, vha, 0x8005,
835                     "Return:eh_wait.\n");
836                 return ret;
837         }
838 
839         while (CMD_SP(cmd) && wait_iter--) {
840                 msleep(ABORT_POLLING_PERIOD);
841         }
842         if (CMD_SP(cmd))
843                 ret = QLA_FUNCTION_FAILED;
844 
845         return ret;
846 }
847 
848 /*
849  * qla2x00_wait_for_hba_online
850  *    Wait till the HBA is online after going through
851  *    <= MAX_RETRIES_OF_ISP_ABORT  or
852  *    finally HBA is disabled ie marked offline
853  *
854  * Input:
855  *     ha - pointer to host adapter structure
856  *
857  * Note:
858  *    Does context switching-Release SPIN_LOCK
859  *    (if any) before calling this routine.
860  *
861  * Return:
862  *    Success (Adapter is online) : 0
863  *    Failed  (Adapter is offline/disabled) : 1
864  */
865 int
866 qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
867 {
868         int             return_status;
869         unsigned long   wait_online;
870         struct qla_hw_data *ha = vha->hw;
871         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
872 
873         wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
874         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
875             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
876             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
877             ha->dpc_active) && time_before(jiffies, wait_online)) {
878 
879                 msleep(1000);
880         }
881         if (base_vha->flags.online)
882                 return_status = QLA_SUCCESS;
883         else
884                 return_status = QLA_FUNCTION_FAILED;
885 
886         return (return_status);
887 }
888 
889 /*
890  * qla2x00_wait_for_hba_ready
891  * Wait till the HBA is ready before doing driver unload
892  *
893  * Input:
894  *     ha - pointer to host adapter structure
895  *
896  * Note:
897  *    Does context switching-Release SPIN_LOCK
898  *    (if any) before calling this routine.
899  *
900  */
901 static void
902 qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
903 {
904         struct qla_hw_data *ha = vha->hw;
905         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
906 
907         while ((qla2x00_reset_active(vha) || ha->dpc_active ||
908                 ha->flags.mbox_busy) ||
909                test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
910                test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
911                 if (test_bit(UNLOADING, &base_vha->dpc_flags))
912                         break;
913                 msleep(1000);
914         }
915 }
916 
917 int
918 qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
919 {
920         int             return_status;
921         unsigned long   wait_reset;
922         struct qla_hw_data *ha = vha->hw;
923         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
924 
925         wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
926         while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
927             test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
928             test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
929             ha->dpc_active) && time_before(jiffies, wait_reset)) {
930 
931                 msleep(1000);
932 
933                 if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
934                     ha->flags.chip_reset_done)
935                         break;
936         }
937         if (ha->flags.chip_reset_done)
938                 return_status = QLA_SUCCESS;
939         else
940                 return_status = QLA_FUNCTION_FAILED;
941 
942         return return_status;
943 }
944 
945 static void
946 sp_get(struct srb *sp)
947 {
948         atomic_inc(&sp->ref_count);
949 }
950 
951 #define ISP_REG_DISCONNECT 0xffffffffU
952 /**************************************************************************
953 * qla2x00_isp_reg_stat
954 *
955 * Description:
956 *       Read the host status register of ISP before aborting the command.
957 *
958 * Input:
959 *       ha = pointer to host adapter structure.
960 *
961 *
962 * Returns:
963 *       Either true or false.
964 *
965 * Note: Return true if there is register disconnect.
966 **************************************************************************/
967 static inline
968 uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha)
969 {
970         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
971 
972         return ((RD_REG_DWORD(&reg->host_status)) == ISP_REG_DISCONNECT);
973 }
974 
975 /**************************************************************************
976 * qla2xxx_eh_abort
977 *
978 * Description:
979 *    The abort function will abort the specified command.
980 *
981 * Input:
982 *    cmd = Linux SCSI command packet to be aborted.
983 *
984 * Returns:
985 *    Either SUCCESS or FAILED.
986 *
987 * Note:
988 *    Only return FAILED if command not returned by firmware.
989 **************************************************************************/
990 static int
991 qla2xxx_eh_abort(struct scsi_cmnd *cmd)
992 {
993         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
994         srb_t *sp;
995         int ret;
996         unsigned int id;
997         uint64_t lun;
998         unsigned long flags;
999         int rval, wait = 0;
1000         struct qla_hw_data *ha = vha->hw;
1001 
1002         if (qla2x00_isp_reg_stat(ha)) {
1003                 ql_log(ql_log_info, vha, 0x8042,
1004                     "PCI/Register disconnect, exiting.\n");
1005                 return FAILED;
1006         }
1007         if (!CMD_SP(cmd))
1008                 return SUCCESS;
1009 
1010         ret = fc_block_scsi_eh(cmd);
1011         if (ret != 0)
1012                 return ret;
1013         ret = SUCCESS;
1014 
1015         id = cmd->device->id;
1016         lun = cmd->device->lun;
1017 
1018         spin_lock_irqsave(&ha->hardware_lock, flags);
1019         sp = (srb_t *) CMD_SP(cmd);
1020         if (!sp) {
1021                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1022                 return SUCCESS;
1023         }
1024 
1025         ql_dbg(ql_dbg_taskm, vha, 0x8002,
1026             "Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
1027             vha->host_no, id, lun, sp, cmd, sp->handle);
1028 
1029         /* Get a reference to the sp and drop the lock.*/
1030         sp_get(sp);
1031 
1032         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1033         rval = ha->isp_ops->abort_command(sp);
1034         if (rval) {
1035                 if (rval == QLA_FUNCTION_PARAMETER_ERROR)
1036                         ret = SUCCESS;
1037                 else
1038                         ret = FAILED;
1039 
1040                 ql_dbg(ql_dbg_taskm, vha, 0x8003,
1041                     "Abort command mbx failed cmd=%p, rval=%x.\n", cmd, rval);
1042         } else {
1043                 ql_dbg(ql_dbg_taskm, vha, 0x8004,
1044                     "Abort command mbx success cmd=%p.\n", cmd);
1045                 wait = 1;
1046         }
1047 
1048         spin_lock_irqsave(&ha->hardware_lock, flags);
1049         sp->done(ha, sp, 0);
1050         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1051 
1052         /* Did the command return during mailbox execution? */
1053         if (ret == FAILED && !CMD_SP(cmd))
1054                 ret = SUCCESS;
1055 
1056         /* Wait for the command to be returned. */
1057         if (wait) {
1058                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {
1059                         ql_log(ql_log_warn, vha, 0x8006,
1060                             "Abort handler timed out cmd=%p.\n", cmd);
1061                         ret = FAILED;
1062                 }
1063         }
1064 
1065         ql_log(ql_log_info, vha, 0x801c,
1066             "Abort command issued nexus=%ld:%d:%llu --  %d %x.\n",
1067             vha->host_no, id, lun, wait, ret);
1068 
1069         return ret;
1070 }
1071 
1072 int
1073 qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
1074         uint64_t l, enum nexus_wait_type type)
1075 {
1076         int cnt, match, status;
1077         unsigned long flags;
1078         struct qla_hw_data *ha = vha->hw;
1079         struct req_que *req;
1080         srb_t *sp;
1081         struct scsi_cmnd *cmd;
1082 
1083         status = QLA_SUCCESS;
1084 
1085         spin_lock_irqsave(&ha->hardware_lock, flags);
1086         req = vha->req;
1087         for (cnt = 1; status == QLA_SUCCESS &&
1088                 cnt < req->num_outstanding_cmds; cnt++) {
1089                 sp = req->outstanding_cmds[cnt];
1090                 if (!sp)
1091                         continue;
1092                 if (sp->type != SRB_SCSI_CMD)
1093                         continue;
1094                 if (vha->vp_idx != sp->fcport->vha->vp_idx)
1095                         continue;
1096                 match = 0;
1097                 cmd = GET_CMD_SP(sp);
1098                 switch (type) {
1099                 case WAIT_HOST:
1100                         match = 1;
1101                         break;
1102                 case WAIT_TARGET:
1103                         match = cmd->device->id == t;
1104                         break;
1105                 case WAIT_LUN:
1106                         match = (cmd->device->id == t &&
1107                                 cmd->device->lun == l);
1108                         break;
1109                 }
1110                 if (!match)
1111                         continue;
1112 
1113                 spin_unlock_irqrestore(&ha->hardware_lock, flags);
1114                 status = qla2x00_eh_wait_on_command(cmd);
1115                 spin_lock_irqsave(&ha->hardware_lock, flags);
1116         }
1117         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1118 
1119         return status;
1120 }
1121 
1122 static char *reset_errors[] = {
1123         "HBA not online",
1124         "HBA not ready",
1125         "Task management failed",
1126         "Waiting for command completions",
1127 };
1128 
1129 static int
1130 __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type,
1131     struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, uint64_t, int))
1132 {
1133         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1134         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1135         int err;
1136 
1137         if (!fcport) {
1138                 return FAILED;
1139         }
1140 
1141         err = fc_block_scsi_eh(cmd);
1142         if (err != 0)
1143                 return err;
1144 
1145         ql_log(ql_log_info, vha, 0x8009,
1146             "%s RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", name, vha->host_no,
1147             cmd->device->id, cmd->device->lun, cmd);
1148 
1149         err = 0;
1150         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1151                 ql_log(ql_log_warn, vha, 0x800a,
1152                     "Wait for hba online failed for cmd=%p.\n", cmd);
1153                 goto eh_reset_failed;
1154         }
1155         err = 2;
1156         if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1)
1157                 != QLA_SUCCESS) {
1158                 ql_log(ql_log_warn, vha, 0x800c,
1159                     "do_reset failed for cmd=%p.\n", cmd);
1160                 goto eh_reset_failed;
1161         }
1162         err = 3;
1163         if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id,
1164             cmd->device->lun, type) != QLA_SUCCESS) {
1165                 ql_log(ql_log_warn, vha, 0x800d,
1166                     "wait for pending cmds failed for cmd=%p.\n", cmd);
1167                 goto eh_reset_failed;
1168         }
1169 
1170         ql_log(ql_log_info, vha, 0x800e,
1171             "%s RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n", name,
1172             vha->host_no, cmd->device->id, cmd->device->lun, cmd);
1173 
1174         return SUCCESS;
1175 
1176 eh_reset_failed:
1177         ql_log(ql_log_info, vha, 0x800f,
1178             "%s RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n", name,
1179             reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
1180             cmd);
1181         return FAILED;
1182 }
1183 
1184 static int
1185 qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
1186 {
1187         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1188         struct qla_hw_data *ha = vha->hw;
1189 
1190         if (qla2x00_isp_reg_stat(ha)) {
1191                 ql_log(ql_log_info, vha, 0x803e,
1192                     "PCI/Register disconnect, exiting.\n");
1193                 return FAILED;
1194         }
1195 
1196         return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd,
1197             ha->isp_ops->lun_reset);
1198 }
1199 
1200 static int
1201 qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
1202 {
1203         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1204         struct qla_hw_data *ha = vha->hw;
1205 
1206         if (qla2x00_isp_reg_stat(ha)) {
1207                 ql_log(ql_log_info, vha, 0x803f,
1208                     "PCI/Register disconnect, exiting.\n");
1209                 return FAILED;
1210         }
1211 
1212         return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd,
1213             ha->isp_ops->target_reset);
1214 }
1215 
1216 /**************************************************************************
1217 * qla2xxx_eh_bus_reset
1218 *
1219 * Description:
1220 *    The bus reset function will reset the bus and abort any executing
1221 *    commands.
1222 *
1223 * Input:
1224 *    cmd = Linux SCSI command packet of the command that cause the
1225 *          bus reset.
1226 *
1227 * Returns:
1228 *    SUCCESS/FAILURE (defined as macro in scsi.h).
1229 *
1230 **************************************************************************/
1231 static int
1232 qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
1233 {
1234         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1235         fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
1236         int ret = FAILED;
1237         unsigned int id;
1238         uint64_t lun;
1239         struct qla_hw_data *ha = vha->hw;
1240 
1241         if (qla2x00_isp_reg_stat(ha)) {
1242                 ql_log(ql_log_info, vha, 0x8040,
1243                     "PCI/Register disconnect, exiting.\n");
1244                 return FAILED;
1245         }
1246 
1247         id = cmd->device->id;
1248         lun = cmd->device->lun;
1249 
1250         if (!fcport) {
1251                 return ret;
1252         }
1253 
1254         ret = fc_block_scsi_eh(cmd);
1255         if (ret != 0)
1256                 return ret;
1257         ret = FAILED;
1258 
1259         ql_log(ql_log_info, vha, 0x8012,
1260             "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1261 
1262         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1263                 ql_log(ql_log_fatal, vha, 0x8013,
1264                     "Wait for hba online failed board disabled.\n");
1265                 goto eh_bus_reset_done;
1266         }
1267 
1268         if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
1269                 ret = SUCCESS;
1270 
1271         if (ret == FAILED)
1272                 goto eh_bus_reset_done;
1273 
1274         /* Flush outstanding commands. */
1275         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
1276             QLA_SUCCESS) {
1277                 ql_log(ql_log_warn, vha, 0x8014,
1278                     "Wait for pending commands failed.\n");
1279                 ret = FAILED;
1280         }
1281 
1282 eh_bus_reset_done:
1283         ql_log(ql_log_warn, vha, 0x802b,
1284             "BUS RESET %s nexus=%ld:%d:%llu.\n",
1285             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1286 
1287         return ret;
1288 }
1289 
1290 /**************************************************************************
1291 * qla2xxx_eh_host_reset
1292 *
1293 * Description:
1294 *    The reset function will reset the Adapter.
1295 *
1296 * Input:
1297 *      cmd = Linux SCSI command packet of the command that cause the
1298 *            adapter reset.
1299 *
1300 * Returns:
1301 *      Either SUCCESS or FAILED.
1302 *
1303 * Note:
1304 **************************************************************************/
1305 static int
1306 qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
1307 {
1308         scsi_qla_host_t *vha = shost_priv(cmd->device->host);
1309         struct qla_hw_data *ha = vha->hw;
1310         int ret = FAILED;
1311         unsigned int id;
1312         uint64_t lun;
1313         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
1314 
1315         if (qla2x00_isp_reg_stat(ha)) {
1316                 ql_log(ql_log_info, vha, 0x8041,
1317                     "PCI/Register disconnect, exiting.\n");
1318                 schedule_work(&ha->board_disable);
1319                 return SUCCESS;
1320         }
1321 
1322         id = cmd->device->id;
1323         lun = cmd->device->lun;
1324 
1325         ql_log(ql_log_info, vha, 0x8018,
1326             "ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
1327 
1328         /*
1329          * No point in issuing another reset if one is active.  Also do not
1330          * attempt a reset if we are updating flash.
1331          */
1332         if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
1333                 goto eh_host_reset_lock;
1334 
1335         if (vha != base_vha) {
1336                 if (qla2x00_vp_abort_isp(vha))
1337                         goto eh_host_reset_lock;
1338         } else {
1339                 if (IS_P3P_TYPE(vha->hw)) {
1340                         if (!qla82xx_fcoe_ctx_reset(vha)) {
1341                                 /* Ctx reset success */
1342                                 ret = SUCCESS;
1343                                 goto eh_host_reset_lock;
1344                         }
1345                         /* fall thru if ctx reset failed */
1346                 }
1347                 if (ha->wq)
1348                         flush_workqueue(ha->wq);
1349 
1350                 set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1351                 if (ha->isp_ops->abort_isp(base_vha)) {
1352                         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1353                         /* failed. schedule dpc to try */
1354                         set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
1355 
1356                         if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
1357                                 ql_log(ql_log_warn, vha, 0x802a,
1358                                     "wait for hba online failed.\n");
1359                                 goto eh_host_reset_lock;
1360                         }
1361                 }
1362                 clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
1363         }
1364 
1365         /* Waiting for command to be returned to OS.*/
1366         if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
1367                 QLA_SUCCESS)
1368                 ret = SUCCESS;
1369 
1370 eh_host_reset_lock:
1371         ql_log(ql_log_info, vha, 0x8017,
1372             "ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
1373             (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
1374 
1375         return ret;
1376 }
1377 
1378 /*
1379 * qla2x00_loop_reset
1380 *      Issue loop reset.
1381 *
1382 * Input:
1383 *      ha = adapter block pointer.
1384 *
1385 * Returns:
1386 *      0 = success
1387 */
1388 int
1389 qla2x00_loop_reset(scsi_qla_host_t *vha)
1390 {
1391         int ret;
1392         struct fc_port *fcport;
1393         struct qla_hw_data *ha = vha->hw;
1394 
1395         if (IS_QLAFX00(ha)) {
1396                 return qlafx00_loop_reset(vha);
1397         }
1398 
1399         if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) {
1400                 list_for_each_entry(fcport, &vha->vp_fcports, list) {
1401                         if (fcport->port_type != FCT_TARGET)
1402                                 continue;
1403 
1404                         ret = ha->isp_ops->target_reset(fcport, 0, 0);
1405                         if (ret != QLA_SUCCESS) {
1406                                 ql_dbg(ql_dbg_taskm, vha, 0x802c,
1407                                     "Bus Reset failed: Reset=%d "
1408                                     "d_id=%x.\n", ret, fcport->d_id.b24);
1409                         }
1410                 }
1411         }
1412 
1413 
1414         if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
1415                 atomic_set(&vha->loop_state, LOOP_DOWN);
1416                 atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
1417                 qla2x00_mark_all_devices_lost(vha, 0);
1418                 ret = qla2x00_full_login_lip(vha);
1419                 if (ret != QLA_SUCCESS) {
1420                         ql_dbg(ql_dbg_taskm, vha, 0x802d,
1421                             "full_login_lip=%d.\n", ret);
1422                 }
1423         }
1424 
1425         if (ha->flags.enable_lip_reset) {
1426                 ret = qla2x00_lip_reset(vha);
1427                 if (ret != QLA_SUCCESS)
1428                         ql_dbg(ql_dbg_taskm, vha, 0x802e,
1429                             "lip_reset failed (%d).\n", ret);
1430         }
1431 
1432         /* Issue marker command only when we are going to start the I/O */
1433         vha->marker_needed = 1;
1434 
1435         return QLA_SUCCESS;
1436 }
1437 
1438 void
1439 qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
1440 {
1441         int que, cnt;
1442         unsigned long flags;
1443         srb_t *sp;
1444         struct qla_hw_data *ha = vha->hw;
1445         struct req_que *req;
1446 
1447         qlt_host_reset_handler(ha);
1448 
1449         spin_lock_irqsave(&ha->hardware_lock, flags);
1450         for (que = 0; que < ha->max_req_queues; que++) {
1451                 req = ha->req_q_map[que];
1452                 if (!req)
1453                         continue;
1454                 if (!req->outstanding_cmds)
1455                         continue;
1456                 for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
1457                         sp = req->outstanding_cmds[cnt];
1458                         if (sp) {
1459                                 /* Don't abort commands in adapter during EEH
1460                                  * recovery as it's not accessible/responding.
1461                                  */
1462                                 if (!ha->flags.eeh_busy) {
1463                                         /* Get a reference to the sp and drop the lock.
1464                                          * The reference ensures this sp->done() call
1465                                          * - and not the call in qla2xxx_eh_abort() -
1466                                          * ends the SCSI command (with result 'res').
1467                                          */
1468                                         sp_get(sp);
1469                                         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1470                                         qla2xxx_eh_abort(GET_CMD_SP(sp));
1471                                         spin_lock_irqsave(&ha->hardware_lock, flags);
1472                                 }
1473                                 req->outstanding_cmds[cnt] = NULL;
1474                                 sp->done(vha, sp, res);
1475                         }
1476                 }
1477         }
1478         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1479 }
1480 
1481 static int
1482 qla2xxx_slave_alloc(struct scsi_device *sdev)
1483 {
1484         struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
1485 
1486         if (!rport || fc_remote_port_chkready(rport))
1487                 return -ENXIO;
1488 
1489         sdev->hostdata = *(fc_port_t **)rport->dd_data;
1490 
1491         return 0;
1492 }
1493 
1494 static int
1495 qla2xxx_slave_configure(struct scsi_device *sdev)
1496 {
1497         scsi_qla_host_t *vha = shost_priv(sdev->host);
1498         struct req_que *req = vha->req;
1499 
1500         if (IS_T10_PI_CAPABLE(vha->hw))
1501                 blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
1502 
1503         scsi_change_queue_depth(sdev, req->max_q_depth);
1504         return 0;
1505 }
1506 
1507 static void
1508 qla2xxx_slave_destroy(struct scsi_device *sdev)
1509 {
1510         sdev->hostdata = NULL;
1511 }
1512 
1513 /**
1514  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
1515  * @ha: HA context
1516  *
1517  * At exit, the @ha's flags.enable_64bit_addressing set to indicated
1518  * supported addressing method.
1519  */
1520 static void
1521 qla2x00_config_dma_addressing(struct qla_hw_data *ha)
1522 {
1523         /* Assume a 32bit DMA mask. */
1524         ha->flags.enable_64bit_addressing = 0;
1525 
1526         if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
1527                 /* Any upper-dword bits set? */
1528                 if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
1529                     !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) {
1530                         /* Ok, a 64bit DMA mask is applicable. */
1531                         ha->flags.enable_64bit_addressing = 1;
1532                         ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
1533                         ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
1534                         return;
1535                 }
1536         }
1537 
1538         dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
1539         pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32));
1540 }
1541 
1542 static void
1543 qla2x00_enable_intrs(struct qla_hw_data *ha)
1544 {
1545         unsigned long flags = 0;
1546         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1547 
1548         spin_lock_irqsave(&ha->hardware_lock, flags);
1549         ha->interrupts_on = 1;
1550         /* enable risc and host interrupts */
1551         WRT_REG_WORD(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
1552         RD_REG_WORD(&reg->ictrl);
1553         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1554 
1555 }
1556 
1557 static void
1558 qla2x00_disable_intrs(struct qla_hw_data *ha)
1559 {
1560         unsigned long flags = 0;
1561         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
1562 
1563         spin_lock_irqsave(&ha->hardware_lock, flags);
1564         ha->interrupts_on = 0;
1565         /* disable risc and host interrupts */
1566         WRT_REG_WORD(&reg->ictrl, 0);
1567         RD_REG_WORD(&reg->ictrl);
1568         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1569 }
1570 
1571 static void
1572 qla24xx_enable_intrs(struct qla_hw_data *ha)
1573 {
1574         unsigned long flags = 0;
1575         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1576 
1577         spin_lock_irqsave(&ha->hardware_lock, flags);
1578         ha->interrupts_on = 1;
1579         WRT_REG_DWORD(&reg->ictrl, ICRX_EN_RISC_INT);
1580         RD_REG_DWORD(&reg->ictrl);
1581         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1582 }
1583 
1584 static void
1585 qla24xx_disable_intrs(struct qla_hw_data *ha)
1586 {
1587         unsigned long flags = 0;
1588         struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
1589 
1590         if (IS_NOPOLLING_TYPE(ha))
1591                 return;
1592         spin_lock_irqsave(&ha->hardware_lock, flags);
1593         ha->interrupts_on = 0;
1594         WRT_REG_DWORD(&reg->ictrl, 0);
1595         RD_REG_DWORD(&reg->ictrl);
1596         spin_unlock_irqrestore(&ha->hardware_lock, flags);
1597 }
1598 
1599 static int
1600 qla2x00_iospace_config(struct qla_hw_data *ha)
1601 {
1602         resource_size_t pio;
1603         uint16_t msix;
1604         int cpus;
1605 
1606         if (pci_request_selected_regions(ha->pdev, ha->bars,
1607             QLA2XXX_DRIVER_NAME)) {
1608                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
1609                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1610                     pci_name(ha->pdev));
1611                 goto iospace_error_exit;
1612         }
1613         if (!(ha->bars & 1))
1614                 goto skip_pio;
1615 
1616         /* We only need PIO for Flash operations on ISP2312 v2 chips. */
1617         pio = pci_resource_start(ha->pdev, 0);
1618         if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
1619                 if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1620                         ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
1621                             "Invalid pci I/O region size (%s).\n",
1622                             pci_name(ha->pdev));
1623                         pio = 0;
1624                 }
1625         } else {
1626                 ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
1627                     "Region #0 no a PIO resource (%s).\n",
1628                     pci_name(ha->pdev));
1629                 pio = 0;
1630         }
1631         ha->pio_address = pio;
1632         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
1633             "PIO address=%llu.\n",
1634             (unsigned long long)ha->pio_address);
1635 
1636 skip_pio:
1637         /* Use MMIO operations for all accesses. */
1638         if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
1639                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
1640                     "Region #1 not an MMIO resource (%s), aborting.\n",
1641                     pci_name(ha->pdev));
1642                 goto iospace_error_exit;
1643         }
1644         if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
1645                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
1646                     "Invalid PCI mem region size (%s), aborting.\n",
1647                     pci_name(ha->pdev));
1648                 goto iospace_error_exit;
1649         }
1650 
1651         ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
1652         if (!ha->iobase) {
1653                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
1654                     "Cannot remap MMIO (%s), aborting.\n",
1655                     pci_name(ha->pdev));
1656                 goto iospace_error_exit;
1657         }
1658 
1659         /* Determine queue resources */
1660         ha->max_req_queues = ha->max_rsp_queues = 1;
1661         if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) ||
1662                 (ql2xmaxqueues > 1 && ql2xmultique_tag) ||
1663                 (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
1664                 goto mqiobase_exit;
1665 
1666         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
1667                         pci_resource_len(ha->pdev, 3));
1668         if (ha->mqiobase) {
1669                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
1670                     "MQIO Base=%p.\n", ha->mqiobase);
1671                 /* Read MSIX vector size of the board */
1672                 pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
1673                 ha->msix_count = msix;
1674                 /* Max queues are bounded by available msix vectors */
1675                 /* queue 0 uses two msix vectors */
1676                 if (ql2xmultique_tag) {
1677                         cpus = num_online_cpus();
1678                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1679                                 (cpus + 1) : (ha->msix_count - 1);
1680                         ha->max_req_queues = 2;
1681                 } else if (ql2xmaxqueues > 1) {
1682                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1683                             QLA_MQ_SIZE : ql2xmaxqueues;
1684                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc008,
1685                             "QoS mode set, max no of request queues:%d.\n",
1686                             ha->max_req_queues);
1687                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0019,
1688                             "QoS mode set, max no of request queues:%d.\n",
1689                             ha->max_req_queues);
1690                 }
1691                 ql_log_pci(ql_log_info, ha->pdev, 0x001a,
1692                     "MSI-X vector count: %d.\n", msix);
1693         } else
1694                 ql_log_pci(ql_log_info, ha->pdev, 0x001b,
1695                     "BAR 3 not enabled.\n");
1696 
1697 mqiobase_exit:
1698         ha->msix_count = ha->max_rsp_queues + 1;
1699         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
1700             "MSIX Count:%d.\n", ha->msix_count);
1701         return (0);
1702 
1703 iospace_error_exit:
1704         return (-ENOMEM);
1705 }
1706 
1707 
1708 static int
1709 qla83xx_iospace_config(struct qla_hw_data *ha)
1710 {
1711         uint16_t msix;
1712         int cpus;
1713 
1714         if (pci_request_selected_regions(ha->pdev, ha->bars,
1715             QLA2XXX_DRIVER_NAME)) {
1716                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
1717                     "Failed to reserve PIO/MMIO regions (%s), aborting.\n",
1718                     pci_name(ha->pdev));
1719 
1720                 goto iospace_error_exit;
1721         }
1722 
1723         /* Use MMIO operations for all accesses. */
1724         if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
1725                 ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
1726                     "Invalid pci I/O region size (%s).\n",
1727                     pci_name(ha->pdev));
1728                 goto iospace_error_exit;
1729         }
1730         if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
1731                 ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
1732                     "Invalid PCI mem region size (%s), aborting\n",
1733                         pci_name(ha->pdev));
1734                 goto iospace_error_exit;
1735         }
1736 
1737         ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
1738         if (!ha->iobase) {
1739                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
1740                     "Cannot remap MMIO (%s), aborting.\n",
1741                     pci_name(ha->pdev));
1742                 goto iospace_error_exit;
1743         }
1744 
1745         /* 64bit PCI BAR - BAR2 will correspoond to region 4 */
1746         /* 83XX 26XX always use MQ type access for queues
1747          * - mbar 2, a.k.a region 4 */
1748         ha->max_req_queues = ha->max_rsp_queues = 1;
1749         ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
1750                         pci_resource_len(ha->pdev, 4));
1751 
1752         if (!ha->mqiobase) {
1753                 ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
1754                     "BAR2/region4 not enabled\n");
1755                 goto mqiobase_exit;
1756         }
1757 
1758         ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
1759                         pci_resource_len(ha->pdev, 2));
1760         if (ha->msixbase) {
1761                 /* Read MSIX vector size of the board */
1762                 pci_read_config_word(ha->pdev,
1763                     QLA_83XX_PCI_MSIX_CONTROL, &msix);
1764                 ha->msix_count = msix;
1765                 /* Max queues are bounded by available msix vectors */
1766                 /* queue 0 uses two msix vectors */
1767                 if (ql2xmultique_tag) {
1768                         cpus = num_online_cpus();
1769                         ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ?
1770                                 (cpus + 1) : (ha->msix_count - 1);
1771                         ha->max_req_queues = 2;
1772                 } else if (ql2xmaxqueues > 1) {
1773                         ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ?
1774                                                 QLA_MQ_SIZE : ql2xmaxqueues;
1775                         ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c,
1776                             "QoS mode set, max no of request queues:%d.\n",
1777                             ha->max_req_queues);
1778                         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
1779                             "QoS mode set, max no of request queues:%d.\n",
1780                             ha->max_req_queues);
1781                 }
1782                 ql_log_pci(ql_log_info, ha->pdev, 0x011c,
1783                     "MSI-X vector count: %d.\n", msix);
1784         } else
1785                 ql_log_pci(ql_log_info, ha->pdev, 0x011e,
1786                     "BAR 1 not enabled.\n");
1787 
1788 mqiobase_exit:
1789         ha->msix_count = ha->max_rsp_queues + 1;
1790 
1791         qlt_83xx_iospace_config(ha);
1792 
1793         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
1794             "MSIX Count:%d.\n", ha->msix_count);
1795         return 0;
1796 
1797 iospace_error_exit:
1798         return -ENOMEM;
1799 }
1800 
1801 static struct isp_operations qla2100_isp_ops = {
1802         .pci_config             = qla2100_pci_config,
1803         .reset_chip             = qla2x00_reset_chip,
1804         .chip_diag              = qla2x00_chip_diag,
1805         .config_rings           = qla2x00_config_rings,
1806         .reset_adapter          = qla2x00_reset_adapter,
1807         .nvram_config           = qla2x00_nvram_config,
1808         .update_fw_options      = qla2x00_update_fw_options,
1809         .load_risc              = qla2x00_load_risc,
1810         .pci_info_str           = qla2x00_pci_info_str,
1811         .fw_version_str         = qla2x00_fw_version_str,
1812         .intr_handler           = qla2100_intr_handler,
1813         .enable_intrs           = qla2x00_enable_intrs,
1814         .disable_intrs          = qla2x00_disable_intrs,
1815         .abort_command          = qla2x00_abort_command,
1816         .target_reset           = qla2x00_abort_target,
1817         .lun_reset              = qla2x00_lun_reset,
1818         .fabric_login           = qla2x00_login_fabric,
1819         .fabric_logout          = qla2x00_fabric_logout,
1820         .calc_req_entries       = qla2x00_calc_iocbs_32,
1821         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1822         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1823         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1824         .read_nvram             = qla2x00_read_nvram_data,
1825         .write_nvram            = qla2x00_write_nvram_data,
1826         .fw_dump                = qla2100_fw_dump,
1827         .beacon_on              = NULL,
1828         .beacon_off             = NULL,
1829         .beacon_blink           = NULL,
1830         .read_optrom            = qla2x00_read_optrom_data,
1831         .write_optrom           = qla2x00_write_optrom_data,
1832         .get_flash_version      = qla2x00_get_flash_version,
1833         .start_scsi             = qla2x00_start_scsi,
1834         .abort_isp              = qla2x00_abort_isp,
1835         .iospace_config         = qla2x00_iospace_config,
1836         .initialize_adapter     = qla2x00_initialize_adapter,
1837 };
1838 
1839 static struct isp_operations qla2300_isp_ops = {
1840         .pci_config             = qla2300_pci_config,
1841         .reset_chip             = qla2x00_reset_chip,
1842         .chip_diag              = qla2x00_chip_diag,
1843         .config_rings           = qla2x00_config_rings,
1844         .reset_adapter          = qla2x00_reset_adapter,
1845         .nvram_config           = qla2x00_nvram_config,
1846         .update_fw_options      = qla2x00_update_fw_options,
1847         .load_risc              = qla2x00_load_risc,
1848         .pci_info_str           = qla2x00_pci_info_str,
1849         .fw_version_str         = qla2x00_fw_version_str,
1850         .intr_handler           = qla2300_intr_handler,
1851         .enable_intrs           = qla2x00_enable_intrs,
1852         .disable_intrs          = qla2x00_disable_intrs,
1853         .abort_command          = qla2x00_abort_command,
1854         .target_reset           = qla2x00_abort_target,
1855         .lun_reset              = qla2x00_lun_reset,
1856         .fabric_login           = qla2x00_login_fabric,
1857         .fabric_logout          = qla2x00_fabric_logout,
1858         .calc_req_entries       = qla2x00_calc_iocbs_32,
1859         .build_iocbs            = qla2x00_build_scsi_iocbs_32,
1860         .prep_ms_iocb           = qla2x00_prep_ms_iocb,
1861         .prep_ms_fdmi_iocb      = qla2x00_prep_ms_fdmi_iocb,
1862         .read_nvram             = qla2x00_read_nvram_data,
1863         .write_nvram            = qla2x00_write_nvram_data,
1864         .fw_dump                = qla2300_fw_dump,
1865         .beacon_on              = qla2x00_beacon_on,
1866         .beacon_off             = qla2x00_beacon_off,
1867         .beacon_blink           = qla2x00_beacon_blink,
1868         .read_optrom            = qla2x00_read_optrom_data,
1869         .write_optrom           = qla2x00_write_optrom_data,
1870         .get_flash_version      = qla2x00_get_flash_version,
1871         .start_scsi             = qla2x00_start_scsi,
1872         .abort_isp              = qla2x00_abort_isp,
1873         .iospace_config         = qla2x00_iospace_config,
1874         .initialize_adapter     = qla2x00_initialize_adapter,
1875 };
1876 
1877 static struct isp_operations qla24xx_isp_ops = {
1878         .pci_config             = qla24xx_pci_config,
1879         .reset_chip             = qla24xx_reset_chip,
1880         .chip_diag              = qla24xx_chip_diag,
1881         .config_rings           = qla24xx_config_rings,
1882         .reset_adapter          = qla24xx_reset_adapter,
1883         .nvram_config           = qla24xx_nvram_config,
1884         .update_fw_options      = qla24xx_update_fw_options,
1885         .load_risc              = qla24xx_load_risc,
1886         .pci_info_str           = qla24xx_pci_info_str,
1887         .fw_version_str         = qla24xx_fw_version_str,
1888         .intr_handler           = qla24xx_intr_handler,
1889         .enable_intrs           = qla24xx_enable_intrs,
1890         .disable_intrs          = qla24xx_disable_intrs,
1891         .abort_command          = qla24xx_abort_command,
1892         .target_reset           = qla24xx_abort_target,
1893         .lun_reset              = qla24xx_lun_reset,
1894         .fabric_login           = qla24xx_login_fabric,
1895         .fabric_logout          = qla24xx_fabric_logout,
1896         .calc_req_entries       = NULL,
1897         .build_iocbs            = NULL,
1898         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1899         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1900         .read_nvram             = qla24xx_read_nvram_data,
1901         .write_nvram            = qla24xx_write_nvram_data,
1902         .fw_dump                = qla24xx_fw_dump,
1903         .beacon_on              = qla24xx_beacon_on,
1904         .beacon_off             = qla24xx_beacon_off,
1905         .beacon_blink           = qla24xx_beacon_blink,
1906         .read_optrom            = qla24xx_read_optrom_data,
1907         .write_optrom           = qla24xx_write_optrom_data,
1908         .get_flash_version      = qla24xx_get_flash_version,
1909         .start_scsi             = qla24xx_start_scsi,
1910         .abort_isp              = qla2x00_abort_isp,
1911         .iospace_config         = qla2x00_iospace_config,
1912         .initialize_adapter     = qla2x00_initialize_adapter,
1913 };
1914 
1915 static struct isp_operations qla25xx_isp_ops = {
1916         .pci_config             = qla25xx_pci_config,
1917         .reset_chip             = qla24xx_reset_chip,
1918         .chip_diag              = qla24xx_chip_diag,
1919         .config_rings           = qla24xx_config_rings,
1920         .reset_adapter          = qla24xx_reset_adapter,
1921         .nvram_config           = qla24xx_nvram_config,
1922         .update_fw_options      = qla24xx_update_fw_options,
1923         .load_risc              = qla24xx_load_risc,
1924         .pci_info_str           = qla24xx_pci_info_str,
1925         .fw_version_str         = qla24xx_fw_version_str,
1926         .intr_handler           = qla24xx_intr_handler,
1927         .enable_intrs           = qla24xx_enable_intrs,
1928         .disable_intrs          = qla24xx_disable_intrs,
1929         .abort_command          = qla24xx_abort_command,
1930         .target_reset           = qla24xx_abort_target,
1931         .lun_reset              = qla24xx_lun_reset,
1932         .fabric_login           = qla24xx_login_fabric,
1933         .fabric_logout          = qla24xx_fabric_logout,
1934         .calc_req_entries       = NULL,
1935         .build_iocbs            = NULL,
1936         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1937         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1938         .read_nvram             = qla25xx_read_nvram_data,
1939         .write_nvram            = qla25xx_write_nvram_data,
1940         .fw_dump                = qla25xx_fw_dump,
1941         .beacon_on              = qla24xx_beacon_on,
1942         .beacon_off             = qla24xx_beacon_off,
1943         .beacon_blink           = qla24xx_beacon_blink,
1944         .read_optrom            = qla25xx_read_optrom_data,
1945         .write_optrom           = qla24xx_write_optrom_data,
1946         .get_flash_version      = qla24xx_get_flash_version,
1947         .start_scsi             = qla24xx_dif_start_scsi,
1948         .abort_isp              = qla2x00_abort_isp,
1949         .iospace_config         = qla2x00_iospace_config,
1950         .initialize_adapter     = qla2x00_initialize_adapter,
1951 };
1952 
1953 static struct isp_operations qla81xx_isp_ops = {
1954         .pci_config             = qla25xx_pci_config,
1955         .reset_chip             = qla24xx_reset_chip,
1956         .chip_diag              = qla24xx_chip_diag,
1957         .config_rings           = qla24xx_config_rings,
1958         .reset_adapter          = qla24xx_reset_adapter,
1959         .nvram_config           = qla81xx_nvram_config,
1960         .update_fw_options      = qla81xx_update_fw_options,
1961         .load_risc              = qla81xx_load_risc,
1962         .pci_info_str           = qla24xx_pci_info_str,
1963         .fw_version_str         = qla24xx_fw_version_str,
1964         .intr_handler           = qla24xx_intr_handler,
1965         .enable_intrs           = qla24xx_enable_intrs,
1966         .disable_intrs          = qla24xx_disable_intrs,
1967         .abort_command          = qla24xx_abort_command,
1968         .target_reset           = qla24xx_abort_target,
1969         .lun_reset              = qla24xx_lun_reset,
1970         .fabric_login           = qla24xx_login_fabric,
1971         .fabric_logout          = qla24xx_fabric_logout,
1972         .calc_req_entries       = NULL,
1973         .build_iocbs            = NULL,
1974         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
1975         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
1976         .read_nvram             = NULL,
1977         .write_nvram            = NULL,
1978         .fw_dump                = qla81xx_fw_dump,
1979         .beacon_on              = qla24xx_beacon_on,
1980         .beacon_off             = qla24xx_beacon_off,
1981         .beacon_blink           = qla83xx_beacon_blink,
1982         .read_optrom            = qla25xx_read_optrom_data,
1983         .write_optrom           = qla24xx_write_optrom_data,
1984         .get_flash_version      = qla24xx_get_flash_version,
1985         .start_scsi             = qla24xx_dif_start_scsi,
1986         .abort_isp              = qla2x00_abort_isp,
1987         .iospace_config         = qla2x00_iospace_config,
1988         .initialize_adapter     = qla2x00_initialize_adapter,
1989 };
1990 
1991 static struct isp_operations qla82xx_isp_ops = {
1992         .pci_config             = qla82xx_pci_config,
1993         .reset_chip             = qla82xx_reset_chip,
1994         .chip_diag              = qla24xx_chip_diag,
1995         .config_rings           = qla82xx_config_rings,
1996         .reset_adapter          = qla24xx_reset_adapter,
1997         .nvram_config           = qla81xx_nvram_config,
1998         .update_fw_options      = qla24xx_update_fw_options,
1999         .load_risc              = qla82xx_load_risc,
2000         .pci_info_str           = qla24xx_pci_info_str,
2001         .fw_version_str         = qla24xx_fw_version_str,
2002         .intr_handler           = qla82xx_intr_handler,
2003         .enable_intrs           = qla82xx_enable_intrs,
2004         .disable_intrs          = qla82xx_disable_intrs,
2005         .abort_command          = qla24xx_abort_command,
2006         .target_reset           = qla24xx_abort_target,
2007         .lun_reset              = qla24xx_lun_reset,
2008         .fabric_login           = qla24xx_login_fabric,
2009         .fabric_logout          = qla24xx_fabric_logout,
2010         .calc_req_entries       = NULL,
2011         .build_iocbs            = NULL,
2012         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2013         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2014         .read_nvram             = qla24xx_read_nvram_data,
2015         .write_nvram            = qla24xx_write_nvram_data,
2016         .fw_dump                = qla82xx_fw_dump,
2017         .beacon_on              = qla82xx_beacon_on,
2018         .beacon_off             = qla82xx_beacon_off,
2019         .beacon_blink           = NULL,
2020         .read_optrom            = qla82xx_read_optrom_data,
2021         .write_optrom           = qla82xx_write_optrom_data,
2022         .get_flash_version      = qla82xx_get_flash_version,
2023         .start_scsi             = qla82xx_start_scsi,
2024         .abort_isp              = qla82xx_abort_isp,
2025         .iospace_config         = qla82xx_iospace_config,
2026         .initialize_adapter     = qla2x00_initialize_adapter,
2027 };
2028 
2029 static struct isp_operations qla8044_isp_ops = {
2030         .pci_config             = qla82xx_pci_config,
2031         .reset_chip             = qla82xx_reset_chip,
2032         .chip_diag              = qla24xx_chip_diag,
2033         .config_rings           = qla82xx_config_rings,
2034         .reset_adapter          = qla24xx_reset_adapter,
2035         .nvram_config           = qla81xx_nvram_config,
2036         .update_fw_options      = qla24xx_update_fw_options,
2037         .load_risc              = qla82xx_load_risc,
2038         .pci_info_str           = qla24xx_pci_info_str,
2039         .fw_version_str         = qla24xx_fw_version_str,
2040         .intr_handler           = qla8044_intr_handler,
2041         .enable_intrs           = qla82xx_enable_intrs,
2042         .disable_intrs          = qla82xx_disable_intrs,
2043         .abort_command          = qla24xx_abort_command,
2044         .target_reset           = qla24xx_abort_target,
2045         .lun_reset              = qla24xx_lun_reset,
2046         .fabric_login           = qla24xx_login_fabric,
2047         .fabric_logout          = qla24xx_fabric_logout,
2048         .calc_req_entries       = NULL,
2049         .build_iocbs            = NULL,
2050         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2051         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2052         .read_nvram             = NULL,
2053         .write_nvram            = NULL,
2054         .fw_dump                = qla8044_fw_dump,
2055         .beacon_on              = qla82xx_beacon_on,
2056         .beacon_off             = qla82xx_beacon_off,
2057         .beacon_blink           = NULL,
2058         .read_optrom            = qla8044_read_optrom_data,
2059         .write_optrom           = qla8044_write_optrom_data,
2060         .get_flash_version      = qla82xx_get_flash_version,
2061         .start_scsi             = qla82xx_start_scsi,
2062         .abort_isp              = qla8044_abort_isp,
2063         .iospace_config         = qla82xx_iospace_config,
2064         .initialize_adapter     = qla2x00_initialize_adapter,
2065 };
2066 
2067 static struct isp_operations qla83xx_isp_ops = {
2068         .pci_config             = qla25xx_pci_config,
2069         .reset_chip             = qla24xx_reset_chip,
2070         .chip_diag              = qla24xx_chip_diag,
2071         .config_rings           = qla24xx_config_rings,
2072         .reset_adapter          = qla24xx_reset_adapter,
2073         .nvram_config           = qla81xx_nvram_config,
2074         .update_fw_options      = qla81xx_update_fw_options,
2075         .load_risc              = qla81xx_load_risc,
2076         .pci_info_str           = qla24xx_pci_info_str,
2077         .fw_version_str         = qla24xx_fw_version_str,
2078         .intr_handler           = qla24xx_intr_handler,
2079         .enable_intrs           = qla24xx_enable_intrs,
2080         .disable_intrs          = qla24xx_disable_intrs,
2081         .abort_command          = qla24xx_abort_command,
2082         .target_reset           = qla24xx_abort_target,
2083         .lun_reset              = qla24xx_lun_reset,
2084         .fabric_login           = qla24xx_login_fabric,
2085         .fabric_logout          = qla24xx_fabric_logout,
2086         .calc_req_entries       = NULL,
2087         .build_iocbs            = NULL,
2088         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2089         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2090         .read_nvram             = NULL,
2091         .write_nvram            = NULL,
2092         .fw_dump                = qla83xx_fw_dump,
2093         .beacon_on              = qla24xx_beacon_on,
2094         .beacon_off             = qla24xx_beacon_off,
2095         .beacon_blink           = qla83xx_beacon_blink,
2096         .read_optrom            = qla25xx_read_optrom_data,
2097         .write_optrom           = qla24xx_write_optrom_data,
2098         .get_flash_version      = qla24xx_get_flash_version,
2099         .start_scsi             = qla24xx_dif_start_scsi,
2100         .abort_isp              = qla2x00_abort_isp,
2101         .iospace_config         = qla83xx_iospace_config,
2102         .initialize_adapter     = qla2x00_initialize_adapter,
2103 };
2104 
2105 static struct isp_operations qlafx00_isp_ops = {
2106         .pci_config             = qlafx00_pci_config,
2107         .reset_chip             = qlafx00_soft_reset,
2108         .chip_diag              = qlafx00_chip_diag,
2109         .config_rings           = qlafx00_config_rings,
2110         .reset_adapter          = qlafx00_soft_reset,
2111         .nvram_config           = NULL,
2112         .update_fw_options      = NULL,
2113         .load_risc              = NULL,
2114         .pci_info_str           = qlafx00_pci_info_str,
2115         .fw_version_str         = qlafx00_fw_version_str,
2116         .intr_handler           = qlafx00_intr_handler,
2117         .enable_intrs           = qlafx00_enable_intrs,
2118         .disable_intrs          = qlafx00_disable_intrs,
2119         .abort_command          = qla24xx_async_abort_command,
2120         .target_reset           = qlafx00_abort_target,
2121         .lun_reset              = qlafx00_lun_reset,
2122         .fabric_login           = NULL,
2123         .fabric_logout          = NULL,
2124         .calc_req_entries       = NULL,
2125         .build_iocbs            = NULL,
2126         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2127         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2128         .read_nvram             = qla24xx_read_nvram_data,
2129         .write_nvram            = qla24xx_write_nvram_data,
2130         .fw_dump                = NULL,
2131         .beacon_on              = qla24xx_beacon_on,
2132         .beacon_off             = qla24xx_beacon_off,
2133         .beacon_blink           = NULL,
2134         .read_optrom            = qla24xx_read_optrom_data,
2135         .write_optrom           = qla24xx_write_optrom_data,
2136         .get_flash_version      = qla24xx_get_flash_version,
2137         .start_scsi             = qlafx00_start_scsi,
2138         .abort_isp              = qlafx00_abort_isp,
2139         .iospace_config         = qlafx00_iospace_config,
2140         .initialize_adapter     = qlafx00_initialize_adapter,
2141 };
2142 
2143 static struct isp_operations qla27xx_isp_ops = {
2144         .pci_config             = qla25xx_pci_config,
2145         .reset_chip             = qla24xx_reset_chip,
2146         .chip_diag              = qla24xx_chip_diag,
2147         .config_rings           = qla24xx_config_rings,
2148         .reset_adapter          = qla24xx_reset_adapter,
2149         .nvram_config           = qla81xx_nvram_config,
2150         .update_fw_options      = qla81xx_update_fw_options,
2151         .load_risc              = qla81xx_load_risc,
2152         .pci_info_str           = qla24xx_pci_info_str,
2153         .fw_version_str         = qla24xx_fw_version_str,
2154         .intr_handler           = qla24xx_intr_handler,
2155         .enable_intrs           = qla24xx_enable_intrs,
2156         .disable_intrs          = qla24xx_disable_intrs,
2157         .abort_command          = qla24xx_abort_command,
2158         .target_reset           = qla24xx_abort_target,
2159         .lun_reset              = qla24xx_lun_reset,
2160         .fabric_login           = qla24xx_login_fabric,
2161         .fabric_logout          = qla24xx_fabric_logout,
2162         .calc_req_entries       = NULL,
2163         .build_iocbs            = NULL,
2164         .prep_ms_iocb           = qla24xx_prep_ms_iocb,
2165         .prep_ms_fdmi_iocb      = qla24xx_prep_ms_fdmi_iocb,
2166         .read_nvram             = NULL,
2167         .write_nvram            = NULL,
2168         .fw_dump                = qla27xx_fwdump,
2169         .beacon_on              = qla24xx_beacon_on,
2170         .beacon_off             = qla24xx_beacon_off,
2171         .beacon_blink           = qla83xx_beacon_blink,
2172         .read_optrom            = qla25xx_read_optrom_data,
2173         .write_optrom           = qla24xx_write_optrom_data,
2174         .get_flash_version      = qla24xx_get_flash_version,
2175         .start_scsi             = qla24xx_dif_start_scsi,
2176         .abort_isp              = qla2x00_abort_isp,
2177         .iospace_config         = qla83xx_iospace_config,
2178         .initialize_adapter     = qla2x00_initialize_adapter,
2179 };
2180 
2181 static inline void
2182 qla2x00_set_isp_flags(struct qla_hw_data *ha)
2183 {
2184         ha->device_type = DT_EXTENDED_IDS;
2185         switch (ha->pdev->device) {
2186         case PCI_DEVICE_ID_QLOGIC_ISP2100:
2187                 ha->isp_type |= DT_ISP2100;
2188                 ha->device_type &= ~DT_EXTENDED_IDS;
2189                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2190                 break;
2191         case PCI_DEVICE_ID_QLOGIC_ISP2200:
2192                 ha->isp_type |= DT_ISP2200;
2193                 ha->device_type &= ~DT_EXTENDED_IDS;
2194                 ha->fw_srisc_address = RISC_START_ADDRESS_2100;
2195                 break;
2196         case PCI_DEVICE_ID_QLOGIC_ISP2300:
2197                 ha->isp_type |= DT_ISP2300;
2198                 ha->device_type |= DT_ZIO_SUPPORTED;
2199                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2200                 break;
2201         case PCI_DEVICE_ID_QLOGIC_ISP2312:
2202                 ha->isp_type |= DT_ISP2312;
2203                 ha->device_type |= DT_ZIO_SUPPORTED;
2204                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2205                 break;
2206         case PCI_DEVICE_ID_QLOGIC_ISP2322:
2207                 ha->isp_type |= DT_ISP2322;
2208                 ha->device_type |= DT_ZIO_SUPPORTED;
2209                 if (ha->pdev->subsystem_vendor == 0x1028 &&
2210                     ha->pdev->subsystem_device == 0x0170)
2211                         ha->device_type |= DT_OEM_001;
2212                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2213                 break;
2214         case PCI_DEVICE_ID_QLOGIC_ISP6312:
2215                 ha->isp_type |= DT_ISP6312;
2216                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2217                 break;
2218         case PCI_DEVICE_ID_QLOGIC_ISP6322:
2219                 ha->isp_type |= DT_ISP6322;
2220                 ha->fw_srisc_address = RISC_START_ADDRESS_2300;
2221                 break;
2222         case PCI_DEVICE_ID_QLOGIC_ISP2422:
2223                 ha->isp_type |= DT_ISP2422;
2224                 ha->device_type |= DT_ZIO_SUPPORTED;
2225                 ha->device_type |= DT_FWI2;
2226                 ha->device_type |= DT_IIDMA;
2227                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2228                 break;
2229         case PCI_DEVICE_ID_QLOGIC_ISP2432:
2230                 ha->isp_type |= DT_ISP2432;
2231                 ha->device_type |= DT_ZIO_SUPPORTED;
2232                 ha->device_type |= DT_FWI2;
2233                 ha->device_type |= DT_IIDMA;
2234                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2235                 break;
2236         case PCI_DEVICE_ID_QLOGIC_ISP8432:
2237                 ha->isp_type |= DT_ISP8432;
2238                 ha->device_type |= DT_ZIO_SUPPORTED;
2239                 ha->device_type |= DT_FWI2;
2240                 ha->device_type |= DT_IIDMA;
2241                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2242                 break;
2243         case PCI_DEVICE_ID_QLOGIC_ISP5422:
2244                 ha->isp_type |= DT_ISP5422;
2245                 ha->device_type |= DT_FWI2;
2246                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2247                 break;
2248         case PCI_DEVICE_ID_QLOGIC_ISP5432:
2249                 ha->isp_type |= DT_ISP5432;
2250                 ha->device_type |= DT_FWI2;
2251                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2252                 break;
2253         case PCI_DEVICE_ID_QLOGIC_ISP2532:
2254                 ha->isp_type |= DT_ISP2532;
2255                 ha->device_type |= DT_ZIO_SUPPORTED;
2256                 ha->device_type |= DT_FWI2;
2257                 ha->device_type |= DT_IIDMA;
2258                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2259                 break;
2260         case PCI_DEVICE_ID_QLOGIC_ISP8001:
2261                 ha->isp_type |= DT_ISP8001;
2262                 ha->device_type |= DT_ZIO_SUPPORTED;
2263                 ha->device_type |= DT_FWI2;
2264                 ha->device_type |= DT_IIDMA;
2265                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2266                 break;
2267         case PCI_DEVICE_ID_QLOGIC_ISP8021:
2268                 ha->isp_type |= DT_ISP8021;
2269                 ha->device_type |= DT_ZIO_SUPPORTED;
2270                 ha->device_type |= DT_FWI2;
2271                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2272                 /* Initialize 82XX ISP flags */
2273                 qla82xx_init_flags(ha);
2274                 break;
2275          case PCI_DEVICE_ID_QLOGIC_ISP8044:
2276                 ha->isp_type |= DT_ISP8044;
2277                 ha->device_type |= DT_ZIO_SUPPORTED;
2278                 ha->device_type |= DT_FWI2;
2279                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2280                 /* Initialize 82XX ISP flags */
2281                 qla82xx_init_flags(ha);
2282                 break;
2283         case PCI_DEVICE_ID_QLOGIC_ISP2031:
2284                 ha->isp_type |= DT_ISP2031;
2285                 ha->device_type |= DT_ZIO_SUPPORTED;
2286                 ha->device_type |= DT_FWI2;
2287                 ha->device_type |= DT_IIDMA;
2288                 ha->device_type |= DT_T10_PI;
2289                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2290                 break;
2291         case PCI_DEVICE_ID_QLOGIC_ISP8031:
2292                 ha->isp_type |= DT_ISP8031;
2293                 ha->device_type |= DT_ZIO_SUPPORTED;
2294                 ha->device_type |= DT_FWI2;
2295                 ha->device_type |= DT_IIDMA;
2296                 ha->device_type |= DT_T10_PI;
2297                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2298                 break;
2299         case PCI_DEVICE_ID_QLOGIC_ISPF001:
2300                 ha->isp_type |= DT_ISPFX00;
2301                 break;
2302         case PCI_DEVICE_ID_QLOGIC_ISP2071:
2303                 ha->isp_type |= DT_ISP2071;
2304                 ha->device_type |= DT_ZIO_SUPPORTED;
2305                 ha->device_type |= DT_FWI2;
2306                 ha->device_type |= DT_IIDMA;
2307                 ha->device_type |= DT_T10_PI;
2308                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2309                 break;
2310         case PCI_DEVICE_ID_QLOGIC_ISP2271:
2311                 ha->isp_type |= DT_ISP2271;
2312                 ha->device_type |= DT_ZIO_SUPPORTED;
2313                 ha->device_type |= DT_FWI2;
2314                 ha->device_type |= DT_IIDMA;
2315                 ha->device_type |= DT_T10_PI;
2316                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2317                 break;
2318         case PCI_DEVICE_ID_QLOGIC_ISP2261:
2319                 ha->isp_type |= DT_ISP2261;
2320                 ha->device_type |= DT_ZIO_SUPPORTED;
2321                 ha->device_type |= DT_FWI2;
2322                 ha->device_type |= DT_IIDMA;
2323                 ha->device_type |= DT_T10_PI;
2324                 ha->fw_srisc_address = RISC_START_ADDRESS_2400;
2325                 break;
2326         }
2327 
2328         if (IS_QLA82XX(ha))
2329                 ha->port_no = ha->portnum & 1;
2330         else {
2331                 /* Get adapter physical port no from interrupt pin register. */
2332                 pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
2333                 if (IS_QLA27XX(ha))
2334                         ha->port_no--;
2335                 else
2336                         ha->port_no = !(ha->port_no & 1);
2337         }
2338 
2339         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
2340             "device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
2341             ha->device_type, ha->port_no, ha->fw_srisc_address);
2342 }
2343 
2344 static void
2345 qla2xxx_scan_start(struct Scsi_Host *shost)
2346 {
2347         scsi_qla_host_t *vha = shost_priv(shost);
2348 
2349         if (vha->hw->flags.running_gold_fw)
2350                 return;
2351 
2352         set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
2353         set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
2354         set_bit(RSCN_UPDATE, &vha->dpc_flags);
2355         set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
2356 }
2357 
2358 static int
2359 qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
2360 {
2361         scsi_qla_host_t *vha = shost_priv(shost);
2362 
2363         if (test_bit(UNLOADING, &vha->dpc_flags))
2364                 return 1;
2365         if (!vha->host)
2366                 return 1;
2367         if (time > vha->hw->loop_reset_delay * HZ)
2368                 return 1;
2369 
2370         return atomic_read(&vha->loop_state) == LOOP_READY;
2371 }
2372 
2373 /*
2374  * PCI driver interface
2375  */
2376 static int
2377 qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
2378 {
2379         int     ret = -ENODEV;
2380         struct Scsi_Host *host;
2381         scsi_qla_host_t *base_vha = NULL;
2382         struct qla_hw_data *ha;
2383         char pci_info[30];
2384         char fw_str[30], wq_name[30];
2385         struct scsi_host_template *sht;
2386         int bars, mem_only = 0;
2387         uint16_t req_length = 0, rsp_length = 0;
2388         struct req_que *req = NULL;
2389         struct rsp_que *rsp = NULL;
2390         bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
2391         sht = &qla2xxx_driver_template;
2392         if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
2393             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
2394             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
2395             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
2396             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
2397             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
2398             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
2399             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
2400             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
2401             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
2402             pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
2403             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
2404             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
2405             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
2406             pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261) {
2407                 bars = pci_select_bars(pdev, IORESOURCE_MEM);
2408                 mem_only = 1;
2409                 ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
2410                     "Mem only adapter.\n");
2411         }
2412         ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
2413             "Bars=%d.\n", bars);
2414 
2415         if (mem_only) {
2416                 if (pci_enable_device_mem(pdev))
2417                         goto probe_out;
2418         } else {
2419                 if (pci_enable_device(pdev))
2420                         goto probe_out;
2421         }
2422 
2423         /* This may fail but that's ok */
2424         pci_enable_pcie_error_reporting(pdev);
2425 
2426         ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
2427         if (!ha) {
2428                 ql_log_pci(ql_log_fatal, pdev, 0x0009,
2429                     "Unable to allocate memory for ha.\n");
2430                 goto probe_out;
2431         }
2432         ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
2433             "Memory allocated for ha=%p.\n", ha);
2434         ha->pdev = pdev;
2435         ha->tgt.enable_class_2 = ql2xenableclass2;
2436         INIT_LIST_HEAD(&ha->tgt.q_full_list);
2437         spin_lock_init(&ha->tgt.q_full_lock);
2438         spin_lock_init(&ha->tgt.sess_lock);
2439         spin_lock_init(&ha->tgt.atio_lock);
2440 
2441 
2442         /* Clear our data area */
2443         ha->bars = bars;
2444         ha->mem_only = mem_only;
2445         spin_lock_init(&ha->hardware_lock);
2446         spin_lock_init(&ha->vport_slock);
2447         mutex_init(&ha->selflogin_lock);
2448         mutex_init(&ha->optrom_mutex);
2449 
2450         /* Set ISP-type information. */
2451         qla2x00_set_isp_flags(ha);
2452 
2453         /* Set EEH reset type to fundamental if required by hba */
2454         if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
2455             IS_QLA83XX(ha) || IS_QLA27XX(ha))
2456                 pdev->needs_freset = 1;
2457 
2458         ha->prev_topology = 0;
2459         ha->init_cb_size = sizeof(init_cb_t);
2460         ha->link_data_rate = PORT_SPEED_UNKNOWN;
2461         ha->optrom_size = OPTROM_SIZE_2300;
2462 
2463         /* Assign ISP specific operations. */
2464         if (IS_QLA2100(ha)) {
2465                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2466                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
2467                 req_length = REQUEST_ENTRY_CNT_2100;
2468                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2469                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2470                 ha->gid_list_info_size = 4;
2471                 ha->flash_conf_off = ~0;
2472                 ha->flash_data_off = ~0;
2473                 ha->nvram_conf_off = ~0;
2474                 ha->nvram_data_off = ~0;
2475                 ha->isp_ops = &qla2100_isp_ops;
2476         } else if (IS_QLA2200(ha)) {
2477                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2478                 ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
2479                 req_length = REQUEST_ENTRY_CNT_2200;
2480                 rsp_length = RESPONSE_ENTRY_CNT_2100;
2481                 ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
2482                 ha->gid_list_info_size = 4;
2483                 ha->flash_conf_off = ~0;
2484                 ha->flash_data_off = ~0;
2485                 ha->nvram_conf_off = ~0;
2486                 ha->nvram_data_off = ~0;
2487                 ha->isp_ops = &qla2100_isp_ops;
2488         } else if (IS_QLA23XX(ha)) {
2489                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
2490                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2491                 req_length = REQUEST_ENTRY_CNT_2200;
2492                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2493                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2494                 ha->gid_list_info_size = 6;
2495                 if (IS_QLA2322(ha) || IS_QLA6322(ha))
2496                         ha->optrom_size = OPTROM_SIZE_2322;
2497                 ha->flash_conf_off = ~0;
2498                 ha->flash_data_off = ~0;
2499                 ha->nvram_conf_off = ~0;
2500                 ha->nvram_data_off = ~0;
2501                 ha->isp_ops = &qla2300_isp_ops;
2502         } else if (IS_QLA24XX_TYPE(ha)) {
2503                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2504                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2505                 req_length = REQUEST_ENTRY_CNT_24XX;
2506                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2507                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2508                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2509                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2510                 ha->gid_list_info_size = 8;
2511                 ha->optrom_size = OPTROM_SIZE_24XX;
2512                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
2513                 ha->isp_ops = &qla24xx_isp_ops;
2514                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2515                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2516                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2517                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2518         } else if (IS_QLA25XX(ha)) {
2519                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2520                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2521                 req_length = REQUEST_ENTRY_CNT_24XX;
2522                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2523                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2524                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2525                 ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
2526                 ha->gid_list_info_size = 8;
2527                 ha->optrom_size = OPTROM_SIZE_25XX;
2528                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2529                 ha->isp_ops = &qla25xx_isp_ops;
2530                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2531                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2532                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2533                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2534         } else if (IS_QLA81XX(ha)) {
2535                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2536                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2537                 req_length = REQUEST_ENTRY_CNT_24XX;
2538                 rsp_length = RESPONSE_ENTRY_CNT_2300;
2539                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2540                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2541                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2542                 ha->gid_list_info_size = 8;
2543                 ha->optrom_size = OPTROM_SIZE_81XX;
2544                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2545                 ha->isp_ops = &qla81xx_isp_ops;
2546                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2547                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2548                 ha->nvram_conf_off = ~0;
2549                 ha->nvram_data_off = ~0;
2550         } else if (IS_QLA82XX(ha)) {
2551                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2552                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2553                 req_length = REQUEST_ENTRY_CNT_82XX;
2554                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2555                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2556                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2557                 ha->gid_list_info_size = 8;
2558                 ha->optrom_size = OPTROM_SIZE_82XX;
2559                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2560                 ha->isp_ops = &qla82xx_isp_ops;
2561                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2562                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2563                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2564                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2565         } else if (IS_QLA8044(ha)) {
2566                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2567                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2568                 req_length = REQUEST_ENTRY_CNT_82XX;
2569                 rsp_length = RESPONSE_ENTRY_CNT_82XX;
2570                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2571                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2572                 ha->gid_list_info_size = 8;
2573                 ha->optrom_size = OPTROM_SIZE_83XX;
2574                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2575                 ha->isp_ops = &qla8044_isp_ops;
2576                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
2577                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
2578                 ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
2579                 ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
2580         } else if (IS_QLA83XX(ha)) {
2581                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2582                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2583                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2584                 req_length = REQUEST_ENTRY_CNT_83XX;
2585                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2586                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2587                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2588                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2589                 ha->gid_list_info_size = 8;
2590                 ha->optrom_size = OPTROM_SIZE_83XX;
2591                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2592                 ha->isp_ops = &qla83xx_isp_ops;
2593                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2594                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2595                 ha->nvram_conf_off = ~0;
2596                 ha->nvram_data_off = ~0;
2597         }  else if (IS_QLAFX00(ha)) {
2598                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
2599                 ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
2600                 ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
2601                 req_length = REQUEST_ENTRY_CNT_FX00;
2602                 rsp_length = RESPONSE_ENTRY_CNT_FX00;
2603                 ha->isp_ops = &qlafx00_isp_ops;
2604                 ha->port_down_retry_count = 30; /* default value */
2605                 ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
2606                 ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
2607                 ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
2608                 ha->mr.fw_hbt_en = 1;
2609                 ha->mr.host_info_resend = false;
2610                 ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
2611         } else if (IS_QLA27XX(ha)) {
2612                 ha->portnum = PCI_FUNC(ha->pdev->devfn);
2613                 ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
2614                 ha->mbx_count = MAILBOX_REGISTER_COUNT;
2615                 req_length = REQUEST_ENTRY_CNT_83XX;
2616                 rsp_length = RESPONSE_ENTRY_CNT_83XX;
2617                 ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
2618                 ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
2619                 ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
2620                 ha->gid_list_info_size = 8;
2621                 ha->optrom_size = OPTROM_SIZE_83XX;
2622                 ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
2623                 ha->isp_ops = &qla27xx_isp_ops;
2624                 ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
2625                 ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
2626                 ha->nvram_conf_off = ~0;
2627                 ha->nvram_data_off = ~0;
2628         }
2629 
2630         ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
2631             "mbx_count=%d, req_length=%d, "
2632             "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
2633             "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
2634             "max_fibre_devices=%d.\n",
2635             ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
2636             ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
2637             ha->nvram_npiv_size, ha->max_fibre_devices);
2638         ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
2639             "isp_ops=%p, flash_conf_off=%d, "
2640             "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
2641             ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
2642             ha->nvram_conf_off, ha->nvram_data_off);
2643 
2644         /* Configure PCI I/O space */
2645         ret = ha->isp_ops->iospace_config(ha);
2646         if (ret)
2647                 goto iospace_config_failed;
2648 
2649         ql_log_pci(ql_log_info, pdev, 0x001d,
2650             "Found an ISP%04X irq %d iobase 0x%p.\n",
2651             pdev->device, pdev->irq, ha->iobase);
2652         mutex_init(&ha->vport_lock);
2653         init_completion(&ha->mbx_cmd_comp);
2654         complete(&ha->mbx_cmd_comp);
2655         init_completion(&ha->mbx_intr_comp);
2656         init_completion(&ha->dcbx_comp);
2657         init_completion(&ha->lb_portup_comp);
2658 
2659         set_bit(0, (unsigned long *) ha->vp_idx_map);
2660 
2661         qla2x00_config_dma_addressing(ha);
2662         ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
2663             "64 Bit addressing is %s.\n",
2664             ha->flags.enable_64bit_addressing ? "enable" :
2665             "disable");
2666         ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
2667         if (ret) {
2668                 ql_log_pci(ql_log_fatal, pdev, 0x0031,
2669                     "Failed to allocate memory for adapter, aborting.\n");
2670 
2671                 goto probe_hw_failed;
2672         }
2673 
2674         req->max_q_depth = MAX_Q_DEPTH;
2675         if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
2676                 req->max_q_depth = ql2xmaxqdepth;
2677 
2678 
2679         base_vha = qla2x00_create_host(sht, ha);
2680         if (!base_vha) {
2681                 ret = -ENOMEM;
2682                 qla2x00_mem_free(ha);
2683                 qla2x00_free_req_que(ha, req);
2684                 qla2x00_free_rsp_que(ha, rsp);
2685                 goto probe_hw_failed;
2686         }
2687 
2688         pci_set_drvdata(pdev, base_vha);
2689         set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2690 
2691         host = base_vha->host;
2692         base_vha->req = req;
2693         if (IS_QLA2XXX_MIDTYPE(ha))
2694                 base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx;
2695         else
2696                 base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
2697                                                 base_vha->vp_idx;
2698 
2699         /* Setup fcport template structure. */
2700         ha->mr.fcport.vha = base_vha;
2701         ha->mr.fcport.port_type = FCT_UNKNOWN;
2702         ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
2703         qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
2704         ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
2705         ha->mr.fcport.scan_state = 1;
2706 
2707         /* Set the SG table size based on ISP type */
2708         if (!IS_FWI2_CAPABLE(ha)) {
2709                 if (IS_QLA2100(ha))
2710                         host->sg_tablesize = 32;
2711         } else {
2712                 if (!IS_QLA82XX(ha))
2713                         host->sg_tablesize = QLA_SG_ALL;
2714         }
2715         host->max_id = ha->max_fibre_devices;
2716         host->cmd_per_lun = 3;
2717         host->unique_id = host->host_no;
2718         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
2719                 host->max_cmd_len = 32;
2720         else
2721                 host->max_cmd_len = MAX_CMDSZ;
2722         host->max_channel = MAX_BUSES - 1;
2723         /* Older HBAs support only 16-bit LUNs */
2724         if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
2725             ql2xmaxlun > 0xffff)
2726                 host->max_lun = 0xffff;
2727         else
2728                 host->max_lun = ql2xmaxlun;
2729         host->transportt = qla2xxx_transport_template;
2730         sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
2731 
2732         ql_dbg(ql_dbg_init, base_vha, 0x0033,
2733             "max_id=%d this_id=%d "
2734             "cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
2735             "max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
2736             host->this_id, host->cmd_per_lun, host->unique_id,
2737             host->max_cmd_len, host->max_channel, host->max_lun,
2738             host->transportt, sht->vendor_id);
2739 
2740 que_init:
2741         /* Alloc arrays of request and response ring ptrs */
2742         if (!qla2x00_alloc_queues(ha, req, rsp)) {
2743                 ql_log(ql_log_fatal, base_vha, 0x003d,
2744                     "Failed to allocate memory for queue pointers..."
2745                     "aborting.\n");
2746                 goto probe_init_failed;
2747         }
2748 
2749         qlt_probe_one_stage1(base_vha, ha);
2750 
2751         /* Set up the irqs */
2752         ret = qla2x00_request_irqs(ha, rsp);
2753         if (ret)
2754                 goto probe_init_failed;
2755 
2756         pci_save_state(pdev);
2757 
2758         /* Assign back pointers */
2759         rsp->req = req;
2760         req->rsp = rsp;
2761 
2762         if (IS_QLAFX00(ha)) {
2763                 ha->rsp_q_map[0] = rsp;
2764                 ha->req_q_map[0] = req;
2765                 set_bit(0, ha->req_qid_map);
2766                 set_bit(0, ha->rsp_qid_map);
2767         }
2768 
2769         /* FWI2-capable only. */
2770         req->req_q_in = &ha->iobase->isp24.req_q_in;
2771         req->req_q_out = &ha->iobase->isp24.req_q_out;
2772         rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
2773         rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
2774         if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha)) {
2775                 req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
2776                 req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
2777                 rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
2778                 rsp->rsp_q_out =  &ha->mqiobase->isp25mq.rsp_q_out;
2779         }
2780 
2781         if (IS_QLAFX00(ha)) {
2782                 req->req_q_in = &ha->iobase->ispfx00.req_q_in;
2783                 req->req_q_out = &ha->iobase->ispfx00.req_q_out;
2784                 rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
2785                 rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
2786         }
2787 
2788         if (IS_P3P_TYPE(ha)) {
2789                 req->req_q_out = &ha->iobase->isp82.req_q_out[0];
2790                 rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
2791                 rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
2792         }
2793 
2794         ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
2795             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2796             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2797         ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
2798             "req->req_q_in=%p req->req_q_out=%p "
2799             "rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2800             req->req_q_in, req->req_q_out,
2801             rsp->rsp_q_in, rsp->rsp_q_out);
2802         ql_dbg(ql_dbg_init, base_vha, 0x003e,
2803             "rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
2804             ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
2805         ql_dbg(ql_dbg_init, base_vha, 0x003f,
2806             "req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
2807             req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
2808 
2809         if (ha->isp_ops->initialize_adapter(base_vha)) {
2810                 ql_log(ql_log_fatal, base_vha, 0x00d6,
2811                     "Failed to initialize adapter - Adapter flags %x.\n",
2812                     base_vha->device_flags);
2813 
2814                 if (IS_QLA82XX(ha)) {
2815                         qla82xx_idc_lock(ha);
2816                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
2817                                 QLA8XXX_DEV_FAILED);
2818                         qla82xx_idc_unlock(ha);
2819                         ql_log(ql_log_fatal, base_vha, 0x00d7,
2820                             "HW State: FAILED.\n");
2821                 } else if (IS_QLA8044(ha)) {
2822                         qla8044_idc_lock(ha);
2823                         qla8044_wr_direct(base_vha,
2824                                 QLA8044_CRB_DEV_STATE_INDEX,
2825                                 QLA8XXX_DEV_FAILED);
2826                         qla8044_idc_unlock(ha);
2827                         ql_log(ql_log_fatal, base_vha, 0x0150,
2828                             "HW State: FAILED.\n");
2829                 }
2830 
2831                 ret = -ENODEV;
2832                 goto probe_failed;
2833         }
2834 
2835         if (IS_QLAFX00(ha))
2836                 host->can_queue = QLAFX00_MAX_CANQUEUE;
2837         else
2838                 host->can_queue = req->num_outstanding_cmds - 10;
2839 
2840         ql_dbg(ql_dbg_init, base_vha, 0x0032,
2841             "can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
2842             host->can_queue, base_vha->req,
2843             base_vha->mgmt_svr_loop_id, host->sg_tablesize);
2844 
2845         if (ha->mqenable) {
2846                 if (qla25xx_setup_mode(base_vha)) {
2847                         ql_log(ql_log_warn, base_vha, 0x00ec,
2848                             "Failed to create queues, falling back to single queue mode.\n");
2849                         goto que_init;
2850                 }
2851         }
2852 
2853         if (ha->flags.running_gold_fw)
2854                 goto skip_dpc;
2855 
2856         /*
2857          * Startup the kernel thread for this host adapter
2858          */
2859         ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
2860             "%s_dpc", base_vha->host_str);
2861         if (IS_ERR(ha->dpc_thread)) {
2862                 ql_log(ql_log_fatal, base_vha, 0x00ed,
2863                     "Failed to start DPC thread.\n");
2864                 ret = PTR_ERR(ha->dpc_thread);
2865                 goto probe_failed;
2866         }
2867         ql_dbg(ql_dbg_init, base_vha, 0x00ee,
2868             "DPC thread started successfully.\n");
2869 
2870         /*
2871          * If we're not coming up in initiator mode, we might sit for
2872          * a while without waking up the dpc thread, which leads to a
2873          * stuck process warning.  So just kick the dpc once here and
2874          * let the kthread start (and go back to sleep in qla2x00_do_dpc).
2875          */
2876         qla2xxx_wake_dpc(base_vha);
2877 
2878         INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
2879 
2880         if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
2881                 sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
2882                 ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
2883                 INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
2884 
2885                 sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
2886                 ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
2887                 INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
2888                 INIT_WORK(&ha->idc_state_handler,
2889                     qla83xx_idc_state_handler_work);
2890                 INIT_WORK(&ha->nic_core_unrecoverable,
2891                     qla83xx_nic_core_unrecoverable_work);
2892         }
2893 
2894 skip_dpc:
2895         list_add_tail(&base_vha->list, &ha->vp_list);
2896         base_vha->host->irq = ha->pdev->irq;
2897 
2898         /* Initialized the timer */
2899         qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL);
2900         ql_dbg(ql_dbg_init, base_vha, 0x00ef,
2901             "Started qla2x00_timer with "
2902             "interval=%d.\n", WATCH_INTERVAL);
2903         ql_dbg(ql_dbg_init, base_vha, 0x00f0,
2904             "Detected hba at address=%p.\n",
2905             ha);
2906 
2907         if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
2908                 if (ha->fw_attributes & BIT_4) {
2909                         int prot = 0, guard;
2910                         base_vha->flags.difdix_supported = 1;
2911                         ql_dbg(ql_dbg_init, base_vha, 0x00f1,
2912                             "Registering for DIF/DIX type 1 and 3 protection.\n");
2913                         if (ql2xenabledif == 1)
2914                                 prot = SHOST_DIX_TYPE0_PROTECTION;
2915                         scsi_host_set_prot(host,
2916                             prot | SHOST_DIF_TYPE1_PROTECTION
2917                             | SHOST_DIF_TYPE2_PROTECTION
2918                             | SHOST_DIF_TYPE3_PROTECTION
2919                             | SHOST_DIX_TYPE1_PROTECTION
2920                             | SHOST_DIX_TYPE2_PROTECTION
2921                             | SHOST_DIX_TYPE3_PROTECTION);
2922 
2923                         guard = SHOST_DIX_GUARD_CRC;
2924 
2925                         if (IS_PI_IPGUARD_CAPABLE(ha) &&
2926                             (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
2927                                 guard |= SHOST_DIX_GUARD_IP;
2928 
2929                         scsi_host_set_guard(host, guard);
2930                 } else
2931                         base_vha->flags.difdix_supported = 0;
2932         }
2933 
2934         ha->isp_ops->enable_intrs(ha);
2935 
2936         if (IS_QLAFX00(ha)) {
2937                 ret = qlafx00_fx_disc(base_vha,
2938                         &base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
2939                 host->sg_tablesize = (ha->mr.extended_io_enabled) ?
2940                     QLA_SG_ALL : 128;
2941         }
2942 
2943         ret = scsi_add_host(host, &pdev->dev);
2944         if (ret)
2945                 goto probe_failed;
2946 
2947         base_vha->flags.init_done = 1;
2948         base_vha->flags.online = 1;
2949         ha->prev_minidump_failed = 0;
2950 
2951         ql_dbg(ql_dbg_init, base_vha, 0x00f2,
2952             "Init done and hba is online.\n");
2953 
2954         if (qla_ini_mode_enabled(base_vha))
2955                 scsi_scan_host(host);
2956         else
2957                 ql_dbg(ql_dbg_init, base_vha, 0x0122,
2958                         "skipping scsi_scan_host() for non-initiator port\n");
2959 
2960         qla2x00_alloc_sysfs_attr(base_vha);
2961 
2962         if (IS_QLAFX00(ha)) {
2963                 ret = qlafx00_fx_disc(base_vha,
2964                         &base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
2965 
2966                 /* Register system information */
2967                 ret =  qlafx00_fx_disc(base_vha,
2968                         &base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
2969         }
2970 
2971         qla2x00_init_host_attr(base_vha);
2972 
2973         qla2x00_dfs_setup(base_vha);
2974 
2975         ql_log(ql_log_info, base_vha, 0x00fb,
2976             "QLogic %s - %s.\n", ha->model_number, ha->model_desc);
2977         ql_log(ql_log_info, base_vha, 0x00fc,
2978             "ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
2979             pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info),
2980             pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
2981             base_vha->host_no,
2982             ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
2983 
2984         qlt_add_target(ha, base_vha);
2985 
2986         clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
2987 
2988         if (test_bit(UNLOADING, &base_vha->dpc_flags))
2989                 return -ENODEV;
2990 
2991         return 0;
2992 
2993 probe_init_failed:
2994         qla2x00_free_req_que(ha, req);
2995         ha->req_q_map[0] = NULL;
2996         clear_bit(0, ha->req_qid_map);
2997         qla2x00_free_rsp_que(ha, rsp);
2998         ha->rsp_q_map[0] = NULL;
2999         clear_bit(0, ha->rsp_qid_map);
3000         ha->max_req_queues = ha->max_rsp_queues = 0;
3001 
3002 probe_failed:
3003         if (base_vha->timer_active)
3004                 qla2x00_stop_timer(base_vha);
3005         base_vha->flags.online = 0;
3006         if (ha->dpc_thread) {
3007                 struct task_struct *t = ha->dpc_thread;
3008 
3009                 ha->dpc_thread = NULL;
3010                 kthread_stop(t);
3011         }
3012 
3013         qla2x00_free_device(base_vha);
3014 
3015         scsi_host_put(base_vha->host);
3016 
3017 probe_hw_failed:
3018         qla2x00_clear_drv_active(ha);
3019 
3020 iospace_config_failed:
3021         if (IS_P3P_TYPE(ha)) {
3022                 if (!ha->nx_pcibase)
3023                         iounmap((device_reg_t *)ha->nx_pcibase);
3024                 if (!ql2xdbwr)
3025                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3026         } else {
3027                 if (ha->iobase)
3028                         iounmap(ha->iobase);
3029                 if (ha->cregbase)
3030                         iounmap(ha->cregbase);
3031         }
3032         pci_release_selected_regions(ha->pdev, ha->bars);
3033         kfree(ha);
3034         ha = NULL;
3035 
3036 probe_out:
3037         pci_disable_device(pdev);
3038         return ret;
3039 }
3040 
3041 static void
3042 qla2x00_shutdown(struct pci_dev *pdev)
3043 {
3044         scsi_qla_host_t *vha;
3045         struct qla_hw_data  *ha;
3046 
3047         if (!atomic_read(&pdev->enable_cnt))
3048                 return;
3049 
3050         vha = pci_get_drvdata(pdev);
3051         ha = vha->hw;
3052 
3053         /* Notify ISPFX00 firmware */
3054         if (IS_QLAFX00(ha))
3055                 qlafx00_driver_shutdown(vha, 20);
3056 
3057         /* Turn-off FCE trace */
3058         if (ha->flags.fce_enabled) {
3059                 qla2x00_disable_fce_trace(vha, NULL, NULL);
3060                 ha->flags.fce_enabled = 0;
3061         }
3062 
3063         /* Turn-off EFT trace */
3064         if (ha->eft)
3065                 qla2x00_disable_eft_trace(vha);
3066 
3067         /* Stop currently executing firmware. */
3068         qla2x00_try_to_stop_firmware(vha);
3069 
3070         /* Turn adapter off line */
3071         vha->flags.online = 0;
3072 
3073         /* turn-off interrupts on the card */
3074         if (ha->interrupts_on) {
3075                 vha->flags.init_done = 0;
3076                 ha->isp_ops->disable_intrs(ha);
3077         }
3078 
3079         qla2x00_free_irqs(vha);
3080 
3081         qla2x00_free_fw_dump(ha);
3082 
3083         pci_disable_pcie_error_reporting(pdev);
3084         pci_disable_device(pdev);
3085 }
3086 
3087 /* Deletes all the virtual ports for a given ha */
3088 static void
3089 qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
3090 {
3091         scsi_qla_host_t *vha;
3092         unsigned long flags;
3093 
3094         mutex_lock(&ha->vport_lock);
3095         while (ha->cur_vport_count) {
3096                 spin_lock_irqsave(&ha->vport_slock, flags);
3097 
3098                 BUG_ON(base_vha->list.next == &ha->vp_list);
3099                 /* This assumes first entry in ha->vp_list is always base vha */
3100                 vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
3101                 scsi_host_get(vha->host);
3102 
3103                 spin_unlock_irqrestore(&ha->vport_slock, flags);
3104                 mutex_unlock(&ha->vport_lock);
3105 
3106                 fc_vport_terminate(vha->fc_vport);
3107                 scsi_host_put(vha->host);
3108 
3109                 mutex_lock(&ha->vport_lock);
3110         }
3111         mutex_unlock(&ha->vport_lock);
3112 }
3113 
3114 /* Stops all deferred work threads */
3115 static void
3116 qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
3117 {
3118         /* Flush the work queue and remove it */
3119         if (ha->wq) {
3120                 flush_workqueue(ha->wq);
3121                 destroy_workqueue(ha->wq);
3122                 ha->wq = NULL;
3123         }
3124 
3125         /* Cancel all work and destroy DPC workqueues */
3126         if (ha->dpc_lp_wq) {
3127                 cancel_work_sync(&ha->idc_aen);
3128                 destroy_workqueue(ha->dpc_lp_wq);
3129                 ha->dpc_lp_wq = NULL;
3130         }
3131 
3132         if (ha->dpc_hp_wq) {
3133                 cancel_work_sync(&ha->nic_core_reset);
3134                 cancel_work_sync(&ha->idc_state_handler);
3135                 cancel_work_sync(&ha->nic_core_unrecoverable);
3136                 destroy_workqueue(ha->dpc_hp_wq);
3137                 ha->dpc_hp_wq = NULL;
3138         }
3139 
3140         /* Kill the kernel thread for this host */
3141         if (ha->dpc_thread) {
3142                 struct task_struct *t = ha->dpc_thread;
3143 
3144                 /*
3145                  * qla2xxx_wake_dpc checks for ->dpc_thread
3146                  * so we need to zero it out.
3147                  */
3148                 ha->dpc_thread = NULL;
3149                 kthread_stop(t);
3150         }
3151 }
3152 
3153 static void
3154 qla2x00_unmap_iobases(struct qla_hw_data *ha)
3155 {
3156         if (IS_QLA82XX(ha)) {
3157 
3158                 iounmap((device_reg_t *)ha->nx_pcibase);
3159                 if (!ql2xdbwr)
3160                         iounmap((device_reg_t *)ha->nxdb_wr_ptr);
3161         } else {
3162                 if (ha->iobase)
3163                         iounmap(ha->iobase);
3164 
3165                 if (ha->cregbase)
3166                         iounmap(ha->cregbase);
3167 
3168                 if (ha->mqiobase)
3169                         iounmap(ha->mqiobase);
3170 
3171                 if ((IS_QLA83XX(ha) || IS_QLA27XX(ha)) && ha->msixbase)
3172                         iounmap(ha->msixbase);
3173         }
3174 }
3175 
3176 static void
3177 qla2x00_clear_drv_active(struct qla_hw_data *ha)
3178 {
3179         if (IS_QLA8044(ha)) {
3180                 qla8044_idc_lock(ha);
3181                 qla8044_clear_drv_active(ha);
3182                 qla8044_idc_unlock(ha);
3183         } else if (IS_QLA82XX(ha)) {
3184                 qla82xx_idc_lock(ha);
3185                 qla82xx_clear_drv_active(ha);
3186                 qla82xx_idc_unlock(ha);
3187         }
3188 }
3189 
3190 static void
3191 qla2x00_remove_one(struct pci_dev *pdev)
3192 {
3193         scsi_qla_host_t *base_vha;
3194         struct qla_hw_data  *ha;
3195 
3196         base_vha = pci_get_drvdata(pdev);
3197         ha = base_vha->hw;
3198 
3199         /* Indicate device removal to prevent future board_disable and wait
3200          * until any pending board_disable has completed. */
3201         set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
3202         cancel_work_sync(&ha->board_disable);
3203 
3204         /*
3205          * If the PCI device is disabled then there was a PCI-disconnect and
3206          * qla2x00_disable_board_on_pci_error has taken care of most of the
3207          * resources.
3208          */
3209         if (!atomic_read(&pdev->enable_cnt)) {
3210                 scsi_host_put(base_vha->host);
3211                 kfree(ha);
3212                 pci_set_drvdata(pdev, NULL);
3213                 return;
3214         }
3215 
3216         qla2x00_wait_for_hba_ready(base_vha);
3217 
3218         /* if UNLOAD flag is already set, then continue unload,
3219          * where it was set first.
3220          */
3221         if (test_bit(UNLOADING, &base_vha->dpc_flags))
3222                 return;
3223 
3224         set_bit(UNLOADING, &base_vha->dpc_flags);
3225 
3226         if (IS_QLAFX00(ha))
3227                 qlafx00_driver_shutdown(base_vha, 20);
3228 
3229         qla2x00_delete_all_vps(ha, base_vha);
3230 
3231         if (IS_QLA8031(ha)) {
3232                 ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
3233                     "Clearing fcoe driver presence.\n");
3234                 if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
3235                         ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
3236                             "Error while clearing DRV-Presence.\n");
3237         }
3238 
3239         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
3240 
3241         qla2x00_dfs_remove(base_vha);
3242 
3243         qla84xx_put_chip(base_vha);
3244 
3245         /* Laser should be disabled only for ISP2031 */
3246         if (IS_QLA2031(ha))
3247                 qla83xx_disable_laser(base_vha);
3248 
3249         /* Disable timer */
3250         if (base_vha->timer_active)
3251                 qla2x00_stop_timer(base_vha);
3252 
3253         base_vha->flags.online = 0;
3254 
3255         /* free DMA memory */
3256         if (ha->exlogin_buf)
3257                 qla2x00_free_exlogin_buffer(ha);
3258 
3259         /* free DMA memory */
3260         if (ha->exchoffld_buf)
3261                 qla2x00_free_exchoffld_buffer(ha);
3262 
3263         qla2x00_destroy_deferred_work(ha);
3264 
3265         qlt_remove_target(ha, base_vha);
3266 
3267         qla2x00_free_sysfs_attr(base_vha, true);
3268 
3269         fc_remove_host(base_vha->host);
3270 
3271         scsi_remove_host(base_vha->host);
3272 
3273         qla2x00_free_device(base_vha);
3274 
3275         qla2x00_clear_drv_active(ha);
3276 
3277         scsi_host_put(base_vha->host);
3278 
3279         qla2x00_unmap_iobases(ha);
3280 
3281         pci_release_selected_regions(ha->pdev, ha->bars);
3282         kfree(ha);
3283         ha = NULL;
3284 
3285         pci_disable_pcie_error_reporting(pdev);
3286 
3287         pci_disable_device(pdev);
3288 }
3289 
3290 static void
3291 qla2x00_free_device(scsi_qla_host_t *vha)
3292 {
3293         struct qla_hw_data *ha = vha->hw;
3294 
3295         qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
3296 
3297         /* Disable timer */
3298         if (vha->timer_active)
3299                 qla2x00_stop_timer(vha);
3300 
3301         qla25xx_delete_queues(vha);
3302 
3303         if (ha->flags.fce_enabled)
3304                 qla2x00_disable_fce_trace(vha, NULL, NULL);
3305 
3306         if (ha->eft)
3307                 qla2x00_disable_eft_trace(vha);
3308 
3309         /* Stop currently executing firmware. */
3310         qla2x00_try_to_stop_firmware(vha);
3311 
3312         vha->flags.online = 0;
3313 
3314         /* turn-off interrupts on the card */
3315         if (ha->interrupts_on) {
3316                 vha->flags.init_done = 0;
3317                 ha->isp_ops->disable_intrs(ha);
3318         }
3319 
3320         qla2x00_free_irqs(vha);
3321 
3322         qla2x00_free_fcports(vha);
3323 
3324         qla2x00_mem_free(ha);
3325 
3326         qla82xx_md_free(vha);
3327 
3328         qla2x00_free_queues(ha);
3329 }
3330 
3331 void qla2x00_free_fcports(struct scsi_qla_host *vha)
3332 {
3333         fc_port_t *fcport, *tfcport;
3334 
3335         list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
3336                 list_del(&fcport->list);
3337                 qla2x00_clear_loop_id(fcport);
3338                 kfree(fcport);
3339                 fcport = NULL;
3340         }
3341 }
3342 
3343 static inline void
3344 qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
3345     int defer)
3346 {
3347         struct fc_rport *rport;
3348         scsi_qla_host_t *base_vha;
3349         unsigned long flags;
3350 
3351         if (!fcport->rport)
3352                 return;
3353 
3354         rport = fcport->rport;
3355         if (defer) {
3356                 base_vha = pci_get_drvdata(vha->hw->pdev);
3357                 spin_lock_irqsave(vha->host->host_lock, flags);
3358                 fcport->drport = rport;
3359                 spin_unlock_irqrestore(vha->host->host_lock, flags);
3360                 qlt_do_generation_tick(vha, &base_vha->total_fcport_update_gen);
3361                 set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
3362                 qla2xxx_wake_dpc(base_vha);
3363         } else {
3364                 int now;
3365                 if (rport)
3366                         fc_remote_port_delete(rport);
3367                 qlt_do_generation_tick(vha, &now);
3368                 qlt_fc_port_deleted(vha, fcport, now);
3369         }
3370 }
3371 
3372 /*
3373  * qla2x00_mark_device_lost Updates fcport state when device goes offline.
3374  *
3375  * Input: ha = adapter block pointer.  fcport = port structure pointer.
3376  *
3377  * Return: None.
3378  *
3379  * Context:
3380  */
3381 void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
3382     int do_login, int defer)
3383 {
3384         if (IS_QLAFX00(vha->hw)) {
3385                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3386                 qla2x00_schedule_rport_del(vha, fcport, defer);
3387                 return;
3388         }
3389 
3390         if (atomic_read(&fcport->state) == FCS_ONLINE &&
3391             vha->vp_idx == fcport->vha->vp_idx) {
3392                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3393                 qla2x00_schedule_rport_del(vha, fcport, defer);
3394         }
3395         /*
3396          * We may need to retry the login, so don't change the state of the
3397          * port but do the retries.
3398          */
3399         if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
3400                 qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3401 
3402         if (!do_login)
3403                 return;
3404 
3405         set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
3406 
3407         if (fcport->login_retry == 0) {
3408                 fcport->login_retry = vha->hw->login_retry_count;
3409 
3410                 ql_dbg(ql_dbg_disc, vha, 0x2067,
3411                     "Port login retry %8phN, id = 0x%04x retry cnt=%d.\n",
3412                     fcport->port_name, fcport->loop_id, fcport->login_retry);
3413         }
3414 }
3415 
3416 /*
3417  * qla2x00_mark_all_devices_lost
3418  *      Updates fcport state when device goes offline.
3419  *
3420  * Input:
3421  *      ha = adapter block pointer.
3422  *      fcport = port structure pointer.
3423  *
3424  * Return:
3425  *      None.
3426  *
3427  * Context:
3428  */
3429 void
3430 qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer)
3431 {
3432         fc_port_t *fcport;
3433 
3434         list_for_each_entry(fcport, &vha->vp_fcports, list) {
3435                 if (vha->vp_idx != 0 && vha->vp_idx != fcport->vha->vp_idx)
3436                         continue;
3437 
3438                 /*
3439                  * No point in marking the device as lost, if the device is
3440                  * already DEAD.
3441                  */
3442                 if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD)
3443                         continue;
3444                 if (atomic_read(&fcport->state) == FCS_ONLINE) {
3445                         qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
3446                         if (defer)
3447                                 qla2x00_schedule_rport_del(vha, fcport, defer);
3448                         else if (vha->vp_idx == fcport->vha->vp_idx)
3449                                 qla2x00_schedule_rport_del(vha, fcport, defer);
3450                 }
3451         }
3452 }
3453 
3454 /*
3455 * qla2x00_mem_alloc
3456 *      Allocates adapter memory.
3457 *
3458 * Returns:
3459 *      0  = success.
3460 *      !0  = failure.
3461 */
3462 static int
3463 qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
3464         struct req_que **req, struct rsp_que **rsp)
3465 {
3466         char    name[16];
3467 
3468         ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
3469                 &ha->init_cb_dma, GFP_KERNEL);
3470         if (!ha->init_cb)
3471                 goto fail;
3472 
3473         if (qlt_mem_alloc(ha) < 0)
3474                 goto fail_free_init_cb;
3475 
3476         ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
3477                 qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
3478         if (!ha->gid_list)
3479                 goto fail_free_tgt_mem;
3480 
3481         ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
3482         if (!ha->srb_mempool)
3483                 goto fail_free_gid_list;
3484 
3485         if (IS_P3P_TYPE(ha)) {
3486                 /* Allocate cache for CT6 Ctx. */
3487                 if (!ctx_cachep) {
3488                         ctx_cachep = kmem_cache_create("qla2xxx_ctx",
3489                                 sizeof(struct ct6_dsd), 0,
3490                                 SLAB_HWCACHE_ALIGN, NULL);
3491                         if (!ctx_cachep)
3492                                 goto fail_free_gid_list;
3493                 }
3494                 ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
3495                         ctx_cachep);
3496                 if (!ha->ctx_mempool)
3497                         goto fail_free_srb_mempool;
3498                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
3499                     "ctx_cachep=%p ctx_mempool=%p.\n",
3500                     ctx_cachep, ha->ctx_mempool);
3501         }
3502 
3503         /* Get memory for cached NVRAM */
3504         ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
3505         if (!ha->nvram)
3506                 goto fail_free_ctx_mempool;
3507 
3508         snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
3509                 ha->pdev->device);
3510         ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3511                 DMA_POOL_SIZE, 8, 0);
3512         if (!ha->s_dma_pool)
3513                 goto fail_free_nvram;
3514 
3515         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
3516             "init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
3517             ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
3518 
3519         if (IS_P3P_TYPE(ha) || ql2xenabledif) {
3520                 ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3521                         DSD_LIST_DMA_POOL_SIZE, 8, 0);
3522                 if (!ha->dl_dma_pool) {
3523                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
3524                             "Failed to allocate memory for dl_dma_pool.\n");
3525                         goto fail_s_dma_pool;
3526                 }
3527 
3528                 ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
3529                         FCP_CMND_DMA_POOL_SIZE, 8, 0);
3530                 if (!ha->fcp_cmnd_dma_pool) {
3531                         ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
3532                             "Failed to allocate memory for fcp_cmnd_dma_pool.\n");
3533                         goto fail_dl_dma_pool;
3534                 }
3535                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
3536                     "dl_dma_pool=%p fcp_cmnd_dma_pool=%p.\n",
3537                     ha->dl_dma_pool, ha->fcp_cmnd_dma_pool);
3538         }
3539 
3540         /* Allocate memory for SNS commands */
3541         if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
3542         /* Get consistent memory allocated for SNS commands */
3543                 ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
3544                 sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
3545                 if (!ha->sns_cmd)
3546                         goto fail_dma_pool;
3547                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
3548                     "sns_cmd: %p.\n", ha->sns_cmd);
3549         } else {
3550         /* Get consistent memory allocated for MS IOCB */
3551                 ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3552                         &ha->ms_iocb_dma);
3553                 if (!ha->ms_iocb)
3554                         goto fail_dma_pool;
3555         /* Get consistent memory allocated for CT SNS commands */
3556                 ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
3557                         sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
3558                 if (!ha->ct_sns)
3559                         goto fail_free_ms_iocb;
3560                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
3561                     "ms_iocb=%p ct_sns=%p.\n",
3562                     ha->ms_iocb, ha->ct_sns);
3563         }
3564 
3565         /* Allocate memory for request ring */
3566         *req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
3567         if (!*req) {
3568                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
3569                     "Failed to allocate memory for req.\n");
3570                 goto fail_req;
3571         }
3572         (*req)->length = req_len;
3573         (*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
3574                 ((*req)->length + 1) * sizeof(request_t),
3575                 &(*req)->dma, GFP_KERNEL);
3576         if (!(*req)->ring) {
3577                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
3578                     "Failed to allocate memory for req_ring.\n");
3579                 goto fail_req_ring;
3580         }
3581         /* Allocate memory for response ring */
3582         *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
3583         if (!*rsp) {
3584                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
3585                     "Failed to allocate memory for rsp.\n");
3586                 goto fail_rsp;
3587         }
3588         (*rsp)->hw = ha;
3589         (*rsp)->length = rsp_len;
3590         (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
3591                 ((*rsp)->length + 1) * sizeof(response_t),
3592                 &(*rsp)->dma, GFP_KERNEL);
3593         if (!(*rsp)->ring) {
3594                 ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
3595                     "Failed to allocate memory for rsp_ring.\n");
3596                 goto fail_rsp_ring;
3597         }
3598         (*req)->rsp = *rsp;
3599         (*rsp)->req = *req;
3600         ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
3601             "req=%p req->length=%d req->ring=%p rsp=%p "
3602             "rsp->length=%d rsp->ring=%p.\n",
3603             *req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
3604             (*rsp)->ring);
3605         /* Allocate memory for NVRAM data for vports */
3606         if (ha->nvram_npiv_size) {
3607                 ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) *
3608                     ha->nvram_npiv_size, GFP_KERNEL);
3609                 if (!ha->npiv_info) {
3610                         ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
3611                             "Failed to allocate memory for npiv_info.\n");
3612                         goto fail_npiv_info;
3613                 }
3614         } else
3615                 ha->npiv_info = NULL;
3616 
3617         /* Get consistent memory allocated for EX-INIT-CB. */
3618         if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha)) {
3619                 ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3620                     &ha->ex_init_cb_dma);
3621                 if (!ha->ex_init_cb)
3622                         goto fail_ex_init_cb;
3623                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
3624                     "ex_init_cb=%p.\n", ha->ex_init_cb);
3625         }
3626 
3627         INIT_LIST_HEAD(&ha->gbl_dsd_list);
3628 
3629         /* Get consistent memory allocated for Async Port-Database. */
3630         if (!IS_FWI2_CAPABLE(ha)) {
3631                 ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
3632                         &ha->async_pd_dma);
3633                 if (!ha->async_pd)
3634                         goto fail_async_pd;
3635                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
3636                     "async_pd=%p.\n", ha->async_pd);
3637         }
3638 
3639         INIT_LIST_HEAD(&ha->vp_list);
3640 
3641         /* Allocate memory for our loop_id bitmap */
3642         ha->loop_id_map = kzalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE) * sizeof(long),
3643             GFP_KERNEL);
3644         if (!ha->loop_id_map)
3645                 goto fail_async_pd;
3646         else {
3647                 qla2x00_set_reserved_loop_ids(ha);
3648                 ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
3649                     "loop_id_map=%p.\n", ha->loop_id_map);
3650         }
3651 
3652         return 0;
3653 
3654 fail_async_pd:
3655         dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
3656 fail_ex_init_cb:
3657         kfree(ha->npiv_info);
3658 fail_npiv_info:
3659         dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
3660                 sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
3661         (*rsp)->ring = NULL;
3662         (*rsp)->dma = 0;
3663 fail_rsp_ring:
3664         kfree(*rsp);
3665 fail_rsp:
3666         dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
3667                 sizeof(request_t), (*req)->ring, (*req)->dma);
3668         (*req)->ring = NULL;
3669         (*req)->dma = 0;
3670 fail_req_ring:
3671         kfree(*req);
3672 fail_req:
3673         dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3674                 ha->ct_sns, ha->ct_sns_dma);
3675         ha->ct_sns = NULL;
3676         ha->ct_sns_dma = 0;
3677 fail_free_ms_iocb:
3678         dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3679         ha->ms_iocb = NULL;
3680         ha->ms_iocb_dma = 0;
3681 fail_dma_pool:
3682         if (IS_QLA82XX(ha) || ql2xenabledif) {
3683                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3684                 ha->fcp_cmnd_dma_pool = NULL;
3685         }
3686 fail_dl_dma_pool:
3687         if (IS_QLA82XX(ha) || ql2xenabledif) {
3688                 dma_pool_destroy(ha->dl_dma_pool);
3689                 ha->dl_dma_pool = NULL;
3690         }
3691 fail_s_dma_pool:
3692         dma_pool_destroy(ha->s_dma_pool);
3693         ha->s_dma_pool = NULL;
3694 fail_free_nvram:
3695         kfree(ha->nvram);
3696         ha->nvram = NULL;
3697 fail_free_ctx_mempool:
3698         mempool_destroy(ha->ctx_mempool);
3699         ha->ctx_mempool = NULL;
3700 fail_free_srb_mempool:
3701         mempool_destroy(ha->srb_mempool);
3702         ha->srb_mempool = NULL;
3703 fail_free_gid_list:
3704         dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3705         ha->gid_list,
3706         ha->gid_list_dma);
3707         ha->gid_list = NULL;
3708         ha->gid_list_dma = 0;
3709 fail_free_tgt_mem:
3710         qlt_mem_free(ha);
3711 fail_free_init_cb:
3712         dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
3713         ha->init_cb_dma);
3714         ha->init_cb = NULL;
3715         ha->init_cb_dma = 0;
3716 fail:
3717         ql_log(ql_log_fatal, NULL, 0x0030,
3718             "Memory allocation failure.\n");
3719         return -ENOMEM;
3720 }
3721 
3722 int
3723 qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
3724 {
3725         int rval;
3726         uint16_t        size, max_cnt, temp;
3727         struct qla_hw_data *ha = vha->hw;
3728 
3729         /* Return if we don't need to alloacate any extended logins */
3730         if (!ql2xexlogins)
3731                 return QLA_SUCCESS;
3732 
3733         ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
3734         max_cnt = 0;
3735         rval = qla_get_exlogin_status(vha, &size, &max_cnt);
3736         if (rval != QLA_SUCCESS) {
3737                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
3738                     "Failed to get exlogin status.\n");
3739                 return rval;
3740         }
3741 
3742         temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
3743         ha->exlogin_size = (size * temp);
3744         ql_log(ql_log_info, vha, 0xd024,
3745                 "EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
3746                 max_cnt, size, temp);
3747 
3748         ql_log(ql_log_info, vha, 0xd025, "EXLOGIN: requested size=0x%x\n",
3749                 ha->exlogin_size);
3750 
3751         /* Get consistent memory for extended logins */
3752         ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
3753             ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
3754         if (!ha->exlogin_buf) {
3755                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
3756                     "Failed to allocate memory for exlogin_buf_dma.\n");
3757                 return -ENOMEM;
3758         }
3759 
3760         /* Now configure the dma buffer */
3761         rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
3762         if (rval) {
3763                 ql_log(ql_log_fatal, vha, 0x00cf,
3764                     "Setup extended login buffer  ****FAILED****.\n");
3765                 qla2x00_free_exlogin_buffer(ha);
3766         }
3767 
3768         return rval;
3769 }
3770 
3771 /*
3772 * qla2x00_free_exlogin_buffer
3773 *
3774 * Input:
3775 *       ha = adapter block pointer
3776 */
3777 void
3778 qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
3779 {
3780         if (ha->exlogin_buf) {
3781                 dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
3782                     ha->exlogin_buf, ha->exlogin_buf_dma);
3783                 ha->exlogin_buf = NULL;
3784                 ha->exlogin_size = 0;
3785         }
3786 }
3787 
3788 int
3789 qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
3790 {
3791         int rval;
3792         uint16_t        size, max_cnt, temp;
3793         struct qla_hw_data *ha = vha->hw;
3794 
3795         /* Return if we don't need to alloacate any extended logins */
3796         if (!ql2xexchoffld)
3797                 return QLA_SUCCESS;
3798 
3799         ql_log(ql_log_info, vha, 0xd014,
3800             "Exchange offload count: %d.\n", ql2xexlogins);
3801 
3802         max_cnt = 0;
3803         rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
3804         if (rval != QLA_SUCCESS) {
3805                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
3806                     "Failed to get exlogin status.\n");
3807                 return rval;
3808         }
3809 
3810         temp = (ql2xexchoffld > max_cnt) ? max_cnt : ql2xexchoffld;
3811         ha->exchoffld_size = (size * temp);
3812         ql_log(ql_log_info, vha, 0xd016,
3813                 "Exchange offload: max_count=%d, buffers=0x%x, total=%d.\n",
3814                 max_cnt, size, temp);
3815 
3816         ql_log(ql_log_info, vha, 0xd017,
3817             "Exchange Buffers requested size = 0x%x\n", ha->exchoffld_size);
3818 
3819         /* Get consistent memory for extended logins */
3820         ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
3821             ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
3822         if (!ha->exchoffld_buf) {
3823                 ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
3824                     "Failed to allocate memory for exchoffld_buf_dma.\n");
3825                 return -ENOMEM;
3826         }
3827 
3828         /* Now configure the dma buffer */
3829         rval = qla_set_exchoffld_mem_cfg(vha, ha->exchoffld_buf_dma);
3830         if (rval) {
3831                 ql_log(ql_log_fatal, vha, 0xd02e,
3832                     "Setup exchange offload buffer ****FAILED****.\n");
3833                 qla2x00_free_exchoffld_buffer(ha);
3834         }
3835 
3836         return rval;
3837 }
3838 
3839 /*
3840 * qla2x00_free_exchoffld_buffer
3841 *
3842 * Input:
3843 *       ha = adapter block pointer
3844 */
3845 void
3846 qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
3847 {
3848         if (ha->exchoffld_buf) {
3849                 dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
3850                     ha->exchoffld_buf, ha->exchoffld_buf_dma);
3851                 ha->exchoffld_buf = NULL;
3852                 ha->exchoffld_size = 0;
3853         }
3854 }
3855 
3856 /*
3857 * qla2x00_free_fw_dump
3858 *       Frees fw dump stuff.
3859 *
3860 * Input:
3861 *       ha = adapter block pointer
3862 */
3863 static void
3864 qla2x00_free_fw_dump(struct qla_hw_data *ha)
3865 {
3866         if (ha->fce)
3867                 dma_free_coherent(&ha->pdev->dev,
3868                     FCE_SIZE, ha->fce, ha->fce_dma);
3869 
3870         if (ha->eft)
3871                 dma_free_coherent(&ha->pdev->dev,
3872                     EFT_SIZE, ha->eft, ha->eft_dma);
3873 
3874         if (ha->fw_dump)
3875                 vfree(ha->fw_dump);
3876         if (ha->fw_dump_template)
3877                 vfree(ha->fw_dump_template);
3878 
3879         ha->fce = NULL;
3880         ha->fce_dma = 0;
3881         ha->eft = NULL;
3882         ha->eft_dma = 0;
3883         ha->fw_dumped = 0;
3884         ha->fw_dump_cap_flags = 0;
3885         ha->fw_dump_reading = 0;
3886         ha->fw_dump = NULL;
3887         ha->fw_dump_len = 0;
3888         ha->fw_dump_template = NULL;
3889         ha->fw_dump_template_len = 0;
3890 }
3891 
3892 /*
3893 * qla2x00_mem_free
3894 *      Frees all adapter allocated memory.
3895 *
3896 * Input:
3897 *      ha = adapter block pointer.
3898 */
3899 static void
3900 qla2x00_mem_free(struct qla_hw_data *ha)
3901 {
3902         qla2x00_free_fw_dump(ha);
3903 
3904         if (ha->mctp_dump)
3905                 dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
3906                     ha->mctp_dump_dma);
3907 
3908         if (ha->srb_mempool)
3909                 mempool_destroy(ha->srb_mempool);
3910 
3911         if (ha->dcbx_tlv)
3912                 dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
3913                     ha->dcbx_tlv, ha->dcbx_tlv_dma);
3914 
3915         if (ha->xgmac_data)
3916                 dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
3917                     ha->xgmac_data, ha->xgmac_data_dma);
3918 
3919         if (ha->sns_cmd)
3920                 dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
3921                 ha->sns_cmd, ha->sns_cmd_dma);
3922 
3923         if (ha->ct_sns)
3924                 dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
3925                 ha->ct_sns, ha->ct_sns_dma);
3926 
3927         if (ha->sfp_data)
3928                 dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma);
3929 
3930         if (ha->ms_iocb)
3931                 dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
3932 
3933         if (ha->ex_init_cb)
3934                 dma_pool_free(ha->s_dma_pool,
3935                         ha->ex_init_cb, ha->ex_init_cb_dma);
3936 
3937         if (ha->async_pd)
3938                 dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
3939 
3940         if (ha->s_dma_pool)
3941                 dma_pool_destroy(ha->s_dma_pool);
3942 
3943         if (ha->gid_list)
3944                 dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
3945                 ha->gid_list, ha->gid_list_dma);
3946 
3947         if (IS_QLA82XX(ha)) {
3948                 if (!list_empty(&ha->gbl_dsd_list)) {
3949                         struct dsd_dma *dsd_ptr, *tdsd_ptr;
3950 
3951                         /* clean up allocated prev pool */
3952                         list_for_each_entry_safe(dsd_ptr,
3953                                 tdsd_ptr, &ha->gbl_dsd_list, list) {
3954                                 dma_pool_free(ha->dl_dma_pool,
3955                                 dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
3956                                 list_del(&dsd_ptr->list);
3957                                 kfree(dsd_ptr);
3958                         }
3959                 }
3960         }
3961 
3962         if (ha->dl_dma_pool)
3963                 dma_pool_destroy(ha->dl_dma_pool);
3964 
3965         if (ha->fcp_cmnd_dma_pool)
3966                 dma_pool_destroy(ha->fcp_cmnd_dma_pool);
3967 
3968         if (ha->ctx_mempool)
3969                 mempool_destroy(ha->ctx_mempool);
3970 
3971         qlt_mem_free(ha);
3972 
3973         if (ha->init_cb)
3974                 dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
3975                         ha->init_cb, ha->init_cb_dma);
3976         vfree(ha->optrom_buffer);
3977         kfree(ha->nvram);
3978         kfree(ha->npiv_info);
3979         kfree(ha->swl);
3980         kfree(ha->loop_id_map);
3981 
3982         ha->srb_mempool = NULL;
3983         ha->ctx_mempool = NULL;
3984         ha->sns_cmd = NULL;
3985         ha->sns_cmd_dma = 0;
3986         ha->ct_sns = NULL;
3987         ha->ct_sns_dma = 0;
3988         ha->ms_iocb = NULL;
3989         ha->ms_iocb_dma = 0;
3990         ha->init_cb = NULL;
3991         ha->init_cb_dma = 0;
3992         ha->ex_init_cb = NULL;
3993         ha->ex_init_cb_dma = 0;
3994         ha->async_pd = NULL;
3995         ha->async_pd_dma = 0;
3996 
3997         ha->s_dma_pool = NULL;
3998         ha->dl_dma_pool = NULL;
3999         ha->fcp_cmnd_dma_pool = NULL;
4000 
4001         ha->gid_list = NULL;
4002         ha->gid_list_dma = 0;
4003 
4004         ha->tgt.atio_ring = NULL;
4005         ha->tgt.atio_dma = 0;
4006         ha->tgt.tgt_vp_map = NULL;
4007 }
4008 
4009 struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
4010                                                 struct qla_hw_data *ha)
4011 {
4012         struct Scsi_Host *host;
4013         struct scsi_qla_host *vha = NULL;
4014 
4015         host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
4016         if (host == NULL) {
4017                 ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
4018                     "Failed to allocate host from the scsi layer, aborting.\n");
4019                 goto fail;
4020         }
4021 
4022         /* Clear our data area */
4023         vha = shost_priv(host);
4024         memset(vha, 0, sizeof(scsi_qla_host_t));
4025 
4026         vha->host = host;
4027         vha->host_no = host->host_no;
4028         vha->hw = ha;
4029 
4030         INIT_LIST_HEAD(&vha->vp_fcports);
4031         INIT_LIST_HEAD(&vha->work_list);
4032         INIT_LIST_HEAD(&vha->list);
4033         INIT_LIST_HEAD(&vha->qla_cmd_list);
4034         INIT_LIST_HEAD(&vha->qla_sess_op_cmd_list);
4035         INIT_LIST_HEAD(&vha->logo_list);
4036         INIT_LIST_HEAD(&vha->plogi_ack_list);
4037 
4038         spin_lock_init(&vha->work_lock);
4039         spin_lock_init(&vha->cmd_list_lock);
4040 
4041         sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no);
4042         ql_dbg(ql_dbg_init, vha, 0x0041,
4043             "Allocated the host=%p hw=%p vha=%p dev_name=%s",
4044             vha->host, vha->hw, vha,
4045             dev_name(&(ha->pdev->dev)));
4046 
4047         return vha;
4048 
4049 fail:
4050         return vha;
4051 }
4052 
4053 static struct qla_work_evt *
4054 qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
4055 {
4056         struct qla_work_evt *e;
4057         uint8_t bail;
4058 
4059         QLA_VHA_MARK_BUSY(vha, bail);
4060         if (bail)
4061                 return NULL;
4062 
4063         e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
4064         if (!e) {
4065                 QLA_VHA_MARK_NOT_BUSY(vha);
4066                 return NULL;
4067         }
4068 
4069         INIT_LIST_HEAD(&e->list);
4070         e->type = type;
4071         e->flags = QLA_EVT_FLAG_FREE;
4072         return e;
4073 }
4074 
4075 static int
4076 qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
4077 {
4078         unsigned long flags;
4079 
4080         spin_lock_irqsave(&vha->work_lock, flags);
4081         list_add_tail(&e->list, &vha->work_list);
4082         spin_unlock_irqrestore(&vha->work_lock, flags);
4083         qla2xxx_wake_dpc(vha);
4084 
4085         return QLA_SUCCESS;
4086 }
4087 
4088 int
4089 qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
4090     u32 data)
4091 {
4092         struct qla_work_evt *e;
4093 
4094         e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
4095         if (!e)
4096                 return QLA_FUNCTION_FAILED;
4097 
4098         e->u.aen.code = code;
4099         e->u.aen.data = data;
4100         return qla2x00_post_work(vha, e);
4101 }
4102 
4103 int
4104 qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
4105 {
4106         struct qla_work_evt *e;
4107 
4108         e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
4109         if (!e)
4110                 return QLA_FUNCTION_FAILED;
4111 
4112         memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
4113         return qla2x00_post_work(vha, e);
4114 }
4115 
4116 #define qla2x00_post_async_work(name, type)     \
4117 int qla2x00_post_async_##name##_work(           \
4118     struct scsi_qla_host *vha,                  \
4119     fc_port_t *fcport, uint16_t *data)          \
4120 {                                               \
4121         struct qla_work_evt *e;                 \
4122                                                 \
4123         e = qla2x00_alloc_work(vha, type);      \
4124         if (!e)                                 \
4125                 return QLA_FUNCTION_FAILED;     \
4126                                                 \
4127         e->u.logio.fcport = fcport;             \
4128         if (data) {                             \
4129                 e->u.logio.data[0] = data[0];   \
4130                 e->u.logio.data[1] = data[1];   \
4131         }                                       \
4132         return qla2x00_post_work(vha, e);       \
4133 }
4134 
4135 qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
4136 qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE);
4137 qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
4138 qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE);
4139 qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
4140 qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE);
4141 
4142 int
4143 qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
4144 {
4145         struct qla_work_evt *e;
4146 
4147         e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
4148         if (!e)
4149                 return QLA_FUNCTION_FAILED;
4150 
4151         e->u.uevent.code = code;
4152         return qla2x00_post_work(vha, e);
4153 }
4154 
4155 static void
4156 qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
4157 {
4158         char event_string[40];
4159         char *envp[] = { event_string, NULL };
4160 
4161         switch (code) {
4162         case QLA_UEVENT_CODE_FW_DUMP:
4163                 snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld",
4164                     vha->host_no);
4165                 break;
4166         default:
4167                 /* do nothing */
4168                 break;
4169         }
4170         kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
4171 }
4172 
4173 int
4174 qlafx00_post_aenfx_work(struct scsi_qla_host *vha,  uint32_t evtcode,
4175                         uint32_t *data, int cnt)
4176 {
4177         struct qla_work_evt *e;
4178 
4179         e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
4180         if (!e)
4181                 return QLA_FUNCTION_FAILED;
4182 
4183         e->u.aenfx.evtcode = evtcode;
4184         e->u.aenfx.count = cnt;
4185         memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
4186         return qla2x00_post_work(vha, e);
4187 }
4188 
4189 void
4190 qla2x00_do_work(struct scsi_qla_host *vha)
4191 {
4192         struct qla_work_evt *e, *tmp;
4193         unsigned long flags;
4194         LIST_HEAD(work);
4195 
4196         spin_lock_irqsave(&vha->work_lock, flags);
4197         list_splice_init(&vha->work_list, &work);
4198         spin_unlock_irqrestore(&vha->work_lock, flags);
4199 
4200         list_for_each_entry_safe(e, tmp, &work, list) {
4201                 list_del_init(&e->list);
4202 
4203                 switch (e->type) {
4204                 case QLA_EVT_AEN:
4205                         fc_host_post_event(vha->host, fc_get_event_number(),
4206                             e->u.aen.code, e->u.aen.data);
4207                         break;
4208                 case QLA_EVT_IDC_ACK:
4209                         qla81xx_idc_ack(vha, e->u.idc_ack.mb);
4210                         break;
4211                 case QLA_EVT_ASYNC_LOGIN:
4212                         qla2x00_async_login(vha, e->u.logio.fcport,
4213                             e->u.logio.data);
4214                         break;
4215                 case QLA_EVT_ASYNC_LOGIN_DONE:
4216                         qla2x00_async_login_done(vha, e->u.logio.fcport,
4217                             e->u.logio.data);
4218                         break;
4219                 case QLA_EVT_ASYNC_LOGOUT:
4220                         qla2x00_async_logout(vha, e->u.logio.fcport);
4221                         break;
4222                 case QLA_EVT_ASYNC_LOGOUT_DONE:
4223                         qla2x00_async_logout_done(vha, e->u.logio.fcport,
4224                             e->u.logio.data);
4225                         break;
4226                 case QLA_EVT_ASYNC_ADISC:
4227                         qla2x00_async_adisc(vha, e->u.logio.fcport,
4228                             e->u.logio.data);
4229                         break;
4230                 case QLA_EVT_ASYNC_ADISC_DONE:
4231                         qla2x00_async_adisc_done(vha, e->u.logio.fcport,
4232                             e->u.logio.data);
4233                         break;
4234                 case QLA_EVT_UEVENT:
4235                         qla2x00_uevent_emit(vha, e->u.uevent.code);
4236                         break;
4237                 case QLA_EVT_AENFX:
4238                         qlafx00_process_aen(vha, e);
4239                         break;
4240                 }
4241                 if (e->flags & QLA_EVT_FLAG_FREE)
4242                         kfree(e);
4243 
4244                 /* For each work completed decrement vha ref count */
4245                 QLA_VHA_MARK_NOT_BUSY(vha);
4246         }
4247 }
4248 
4249 /* Relogins all the fcports of a vport
4250  * Context: dpc thread
4251  */
4252 void qla2x00_relogin(struct scsi_qla_host *vha)
4253 {
4254         fc_port_t       *fcport;
4255         int status;
4256         uint16_t        next_loopid = 0;
4257         struct qla_hw_data *ha = vha->hw;
4258         uint16_t data[2];
4259 
4260         list_for_each_entry(fcport, &vha->vp_fcports, list) {
4261         /*
4262          * If the port is not ONLINE then try to login
4263          * to it if we haven't run out of retries.
4264          */
4265                 if (atomic_read(&fcport->state) != FCS_ONLINE &&
4266                     fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) {
4267                         fcport->login_retry--;
4268                         if (fcport->flags & FCF_FABRIC_DEVICE) {
4269                                 if (fcport->flags & FCF_FCP2_DEVICE)
4270                                         ha->isp_ops->fabric_logout(vha,
4271                                                         fcport->loop_id,
4272                                                         fcport->d_id.b.domain,
4273                                                         fcport->d_id.b.area,
4274                                                         fcport->d_id.b.al_pa);
4275 
4276                                 if (fcport->loop_id == FC_NO_LOOP_ID) {
4277                                         fcport->loop_id = next_loopid =
4278                                             ha->min_external_loopid;
4279                                         status = qla2x00_find_new_loop_id(
4280                                             vha, fcport);
4281                                         if (status != QLA_SUCCESS) {
4282                                                 /* Ran out of IDs to use */
4283                                                 break;
4284                                         }
4285                                 }
4286 
4287                                 if (IS_ALOGIO_CAPABLE(ha)) {
4288                                         fcport->flags |= FCF_ASYNC_SENT;
4289                                         data[0] = 0;
4290                                         data[1] = QLA_LOGIO_LOGIN_RETRIED;
4291                                         status = qla2x00_post_async_login_work(
4292                                             vha, fcport, data);
4293                                         if (status == QLA_SUCCESS)
4294                                                 continue;
4295                                         /* Attempt a retry. */
4296                                         status = 1;
4297                                 } else {
4298                                         status = qla2x00_fabric_login(vha,
4299                                             fcport, &next_loopid);
4300                                         if (status ==  QLA_SUCCESS) {
4301                                                 int status2;
4302                                                 uint8_t opts;
4303 
4304                                                 opts = 0;
4305                                                 if (fcport->flags &
4306                                                     FCF_FCP2_DEVICE)
4307                                                         opts |= BIT_1;
4308                                                 status2 =
4309                                                     qla2x00_get_port_database(
4310                                                         vha, fcport, opts);
4311                                                 if (status2 != QLA_SUCCESS)
4312                                                         status = 1;
4313                                         }
4314                                 }
4315                         } else
4316                                 status = qla2x00_local_device_login(vha,
4317                                                                 fcport);
4318 
4319                         if (status == QLA_SUCCESS) {
4320                                 fcport->old_loop_id = fcport->loop_id;
4321 
4322                                 ql_dbg(ql_dbg_disc, vha, 0x2003,
4323                                     "Port login OK: logged in ID 0x%x.\n",
4324                                     fcport->loop_id);
4325 
4326                                 qla2x00_update_fcport(vha, fcport);
4327 
4328                         } else if (status == 1) {
4329                                 set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
4330                                 /* retry the login again */
4331                                 ql_dbg(ql_dbg_disc, vha, 0x2007,
4332                                     "Retrying %d login again loop_id 0x%x.\n",
4333                                     fcport->login_retry, fcport->loop_id);
4334                         } else {
4335                                 fcport->login_retry = 0;
4336                         }
4337 
4338                         if (fcport->login_retry == 0 && status != QLA_SUCCESS)
4339                                 qla2x00_clear_loop_id(fcport);
4340                 }
4341                 if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
4342                         break;
4343         }
4344 }
4345 
4346 /* Schedule work on any of the dpc-workqueues */
4347 void
4348 qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
4349 {
4350         struct qla_hw_data *ha = base_vha->hw;
4351 
4352         switch (work_code) {
4353         case MBA_IDC_AEN: /* 0x8200 */
4354                 if (ha->dpc_lp_wq)
4355                         queue_work(ha->dpc_lp_wq, &ha->idc_aen);
4356                 break;
4357 
4358         case QLA83XX_NIC_CORE_RESET: /* 0x1 */
4359                 if (!ha->flags.nic_core_reset_hdlr_active) {
4360                         if (ha->dpc_hp_wq)
4361                                 queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
4362                 } else
4363                         ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
4364                             "NIC Core reset is already active. Skip "
4365                             "scheduling it again.\n");
4366                 break;
4367         case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
4368                 if (ha->dpc_hp_wq)
4369                         queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
4370                 break;
4371         case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
4372                 if (ha->dpc_hp_wq)
4373                         queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
4374                 break;
4375         default:
4376                 ql_log(ql_log_warn, base_vha, 0xb05f,
4377                     "Unknown work-code=0x%x.\n", work_code);
4378         }
4379 
4380         return;
4381 }
4382 
4383 /* Work: Perform NIC Core Unrecoverable state handling */
4384 void
4385 qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
4386 {
4387         struct qla_hw_data *ha =
4388                 container_of(work, struct qla_hw_data, nic_core_unrecoverable);
4389         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4390         uint32_t dev_state = 0;
4391 
4392         qla83xx_idc_lock(base_vha, 0);
4393         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4394         qla83xx_reset_ownership(base_vha);
4395         if (ha->flags.nic_core_reset_owner) {
4396                 ha->flags.nic_core_reset_owner = 0;
4397                 qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4398                     QLA8XXX_DEV_FAILED);
4399                 ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
4400                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4401         }
4402         qla83xx_idc_unlock(base_vha, 0);
4403 }
4404 
4405 /* Work: Execute IDC state handler */
4406 void
4407 qla83xx_idc_state_handler_work(struct work_struct *work)
4408 {
4409         struct qla_hw_data *ha =
4410                 container_of(work, struct qla_hw_data, idc_state_handler);
4411         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4412         uint32_t dev_state = 0;
4413 
4414         qla83xx_idc_lock(base_vha, 0);
4415         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4416         if (dev_state == QLA8XXX_DEV_FAILED ||
4417                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
4418                 qla83xx_idc_state_handler(base_vha);
4419         qla83xx_idc_unlock(base_vha, 0);
4420 }
4421 
4422 static int
4423 qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
4424 {
4425         int rval = QLA_SUCCESS;
4426         unsigned long heart_beat_wait = jiffies + (1 * HZ);
4427         uint32_t heart_beat_counter1, heart_beat_counter2;
4428 
4429         do {
4430                 if (time_after(jiffies, heart_beat_wait)) {
4431                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
4432                             "Nic Core f/w is not alive.\n");
4433                         rval = QLA_FUNCTION_FAILED;
4434                         break;
4435                 }
4436 
4437                 qla83xx_idc_lock(base_vha, 0);
4438                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4439                     &heart_beat_counter1);
4440                 qla83xx_idc_unlock(base_vha, 0);
4441                 msleep(100);
4442                 qla83xx_idc_lock(base_vha, 0);
4443                 qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
4444                     &heart_beat_counter2);
4445                 qla83xx_idc_unlock(base_vha, 0);
4446         } while (heart_beat_counter1 == heart_beat_counter2);
4447 
4448         return rval;
4449 }
4450 
4451 /* Work: Perform NIC Core Reset handling */
4452 void
4453 qla83xx_nic_core_reset_work(struct work_struct *work)
4454 {
4455         struct qla_hw_data *ha =
4456                 container_of(work, struct qla_hw_data, nic_core_reset);
4457         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4458         uint32_t dev_state = 0;
4459 
4460         if (IS_QLA2031(ha)) {
4461                 if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
4462                         ql_log(ql_log_warn, base_vha, 0xb081,
4463                             "Failed to dump mctp\n");
4464                 return;
4465         }
4466 
4467         if (!ha->flags.nic_core_reset_hdlr_active) {
4468                 if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
4469                         qla83xx_idc_lock(base_vha, 0);
4470                         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4471                             &dev_state);
4472                         qla83xx_idc_unlock(base_vha, 0);
4473                         if (dev_state != QLA8XXX_DEV_NEED_RESET) {
4474                                 ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
4475                                     "Nic Core f/w is alive.\n");
4476                                 return;
4477                         }
4478                 }
4479 
4480                 ha->flags.nic_core_reset_hdlr_active = 1;
4481                 if (qla83xx_nic_core_reset(base_vha)) {
4482                         /* NIC Core reset failed. */
4483                         ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
4484                             "NIC Core reset failed.\n");
4485                 }
4486                 ha->flags.nic_core_reset_hdlr_active = 0;
4487         }
4488 }
4489 
4490 /* Work: Handle 8200 IDC aens */
4491 void
4492 qla83xx_service_idc_aen(struct work_struct *work)
4493 {
4494         struct qla_hw_data *ha =
4495                 container_of(work, struct qla_hw_data, idc_aen);
4496         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
4497         uint32_t dev_state, idc_control;
4498 
4499         qla83xx_idc_lock(base_vha, 0);
4500         qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4501         qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
4502         qla83xx_idc_unlock(base_vha, 0);
4503         if (dev_state == QLA8XXX_DEV_NEED_RESET) {
4504                 if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
4505                         ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
4506                             "Application requested NIC Core Reset.\n");
4507                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4508                 } else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
4509                     QLA_SUCCESS) {
4510                         ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
4511                             "Other protocol driver requested NIC Core Reset.\n");
4512                         qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
4513                 }
4514         } else if (dev_state == QLA8XXX_DEV_FAILED ||
4515                         dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
4516                 qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
4517         }
4518 }
4519 
4520 static void
4521 qla83xx_wait_logic(void)
4522 {
4523         int i;
4524 
4525         /* Yield CPU */
4526         if (!in_interrupt()) {
4527                 /*
4528                  * Wait about 200ms before retrying again.
4529                  * This controls the number of retries for single
4530                  * lock operation.
4531                  */
4532                 msleep(100);
4533                 schedule();
4534         } else {
4535                 for (i = 0; i < 20; i++)
4536                         cpu_relax(); /* This a nop instr on i386 */
4537         }
4538 }
4539 
4540 static int
4541 qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
4542 {
4543         int rval;
4544         uint32_t data;
4545         uint32_t idc_lck_rcvry_stage_mask = 0x3;
4546         uint32_t idc_lck_rcvry_owner_mask = 0x3c;
4547         struct qla_hw_data *ha = base_vha->hw;
4548         ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
4549             "Trying force recovery of the IDC lock.\n");
4550 
4551         rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
4552         if (rval)
4553                 return rval;
4554 
4555         if ((data & idc_lck_rcvry_stage_mask) > 0) {
4556                 return QLA_SUCCESS;
4557         } else {
4558                 data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
4559                 rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4560                     data);
4561                 if (rval)
4562                         return rval;
4563 
4564                 msleep(200);
4565 
4566                 rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
4567                     &data);
4568                 if (rval)
4569                         return rval;
4570 
4571                 if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
4572                         data &= (IDC_LOCK_RECOVERY_STAGE2 |
4573                                         ~(idc_lck_rcvry_stage_mask));
4574                         rval = qla83xx_wr_reg(base_vha,
4575                             QLA83XX_IDC_LOCK_RECOVERY, data);
4576                         if (rval)
4577                                 return rval;
4578 
4579                         /* Forcefully perform IDC UnLock */
4580                         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
4581                             &data);
4582                         if (rval)
4583                                 return rval;
4584                         /* Clear lock-id by setting 0xff */
4585                         rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4586                             0xff);
4587                         if (rval)
4588                                 return rval;
4589                         /* Clear lock-recovery by setting 0x0 */
4590                         rval = qla83xx_wr_reg(base_vha,
4591                             QLA83XX_IDC_LOCK_RECOVERY, 0x0);
4592                         if (rval)
4593                                 return rval;
4594                 } else
4595                         return QLA_SUCCESS;
4596         }
4597 
4598         return rval;
4599 }
4600 
4601 static int
4602 qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
4603 {
4604         int rval = QLA_SUCCESS;
4605         uint32_t o_drv_lockid, n_drv_lockid;
4606         unsigned long lock_recovery_timeout;
4607 
4608         lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
4609 retry_lockid:
4610         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
4611         if (rval)
4612                 goto exit;
4613 
4614         /* MAX wait time before forcing IDC Lock recovery = 2 secs */
4615         if (time_after_eq(jiffies, lock_recovery_timeout)) {
4616                 if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
4617                         return QLA_SUCCESS;
4618                 else
4619                         return QLA_FUNCTION_FAILED;
4620         }
4621 
4622         rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
4623         if (rval)
4624                 goto exit;
4625 
4626         if (o_drv_lockid == n_drv_lockid) {
4627                 qla83xx_wait_logic();
4628                 goto retry_lockid;
4629         } else
4630                 return QLA_SUCCESS;
4631 
4632 exit:
4633         return rval;
4634 }
4635 
4636 void
4637 qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4638 {
4639         uint16_t options = (requester_id << 15) | BIT_6;
4640         uint32_t data;
4641         uint32_t lock_owner;
4642         struct qla_hw_data *ha = base_vha->hw;
4643 
4644         /* IDC-lock implementation using driver-lock/lock-id remote registers */
4645 retry_lock:
4646         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
4647             == QLA_SUCCESS) {
4648                 if (data) {
4649                         /* Setting lock-id to our function-number */
4650                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4651                             ha->portnum);
4652                 } else {
4653                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
4654                             &lock_owner);
4655                         ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
4656                             "Failed to acquire IDC lock, acquired by %d, "
4657                             "retrying...\n", lock_owner);
4658 
4659                         /* Retry/Perform IDC-Lock recovery */
4660                         if (qla83xx_idc_lock_recovery(base_vha)
4661                             == QLA_SUCCESS) {
4662                                 qla83xx_wait_logic();
4663                                 goto retry_lock;
4664                         } else
4665                                 ql_log(ql_log_warn, base_vha, 0xb075,
4666                                     "IDC Lock recovery FAILED.\n");
4667                 }
4668 
4669         }
4670 
4671         return;
4672 
4673         /* XXX: IDC-lock implementation using access-control mbx */
4674 retry_lock2:
4675         if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4676                 ql_dbg(ql_dbg_p3p, base_vha, 0xb072,
4677                     "Failed to acquire IDC lock. retrying...\n");
4678                 /* Retry/Perform IDC-Lock recovery */
4679                 if (qla83xx_idc_lock_recovery(base_vha) == QLA_SUCCESS) {
4680                         qla83xx_wait_logic();
4681                         goto retry_lock2;
4682                 } else
4683                         ql_log(ql_log_warn, base_vha, 0xb076,
4684                             "IDC Lock recovery FAILED.\n");
4685         }
4686 
4687         return;
4688 }
4689 
4690 void
4691 qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
4692 {
4693 #if 0
4694         uint16_t options = (requester_id << 15) | BIT_7;
4695 #endif
4696         uint16_t retry;
4697         uint32_t data;
4698         struct qla_hw_data *ha = base_vha->hw;
4699 
4700         /* IDC-unlock implementation using driver-unlock/lock-id
4701          * remote registers
4702          */
4703         retry = 0;
4704 retry_unlock:
4705         if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
4706             == QLA_SUCCESS) {
4707                 if (data == ha->portnum) {
4708                         qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
4709                         /* Clearing lock-id by setting 0xff */
4710                         qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
4711                 } else if (retry < 10) {
4712                         /* SV: XXX: IDC unlock retrying needed here? */
4713 
4714                         /* Retry for IDC-unlock */
4715                         qla83xx_wait_logic();
4716                         retry++;
4717                         ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
4718                             "Failed to release IDC lock, retrying=%d\n", retry);
4719                         goto retry_unlock;
4720                 }
4721         } else if (retry < 10) {
4722                 /* Retry for IDC-unlock */
4723                 qla83xx_wait_logic();
4724                 retry++;
4725                 ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
4726                     "Failed to read drv-lockid, retrying=%d\n", retry);
4727                 goto retry_unlock;
4728         }
4729 
4730         return;
4731 
4732 #if 0
4733         /* XXX: IDC-unlock implementation using access-control mbx */
4734         retry = 0;
4735 retry_unlock2:
4736         if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
4737                 if (retry < 10) {
4738                         /* Retry for IDC-unlock */
4739                         qla83xx_wait_logic();
4740                         retry++;
4741                         ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
4742                             "Failed to release IDC lock, retrying=%d\n", retry);
4743                         goto retry_unlock2;
4744                 }
4745         }
4746 
4747         return;
4748 #endif
4749 }
4750 
4751 int
4752 __qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4753 {
4754         int rval = QLA_SUCCESS;
4755         struct qla_hw_data *ha = vha->hw;
4756         uint32_t drv_presence;
4757 
4758         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4759         if (rval == QLA_SUCCESS) {
4760                 drv_presence |= (1 << ha->portnum);
4761                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4762                     drv_presence);
4763         }
4764 
4765         return rval;
4766 }
4767 
4768 int
4769 qla83xx_set_drv_presence(scsi_qla_host_t *vha)
4770 {
4771         int rval = QLA_SUCCESS;
4772 
4773         qla83xx_idc_lock(vha, 0);
4774         rval = __qla83xx_set_drv_presence(vha);
4775         qla83xx_idc_unlock(vha, 0);
4776 
4777         return rval;
4778 }
4779 
4780 int
4781 __qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4782 {
4783         int rval = QLA_SUCCESS;
4784         struct qla_hw_data *ha = vha->hw;
4785         uint32_t drv_presence;
4786 
4787         rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4788         if (rval == QLA_SUCCESS) {
4789                 drv_presence &= ~(1 << ha->portnum);
4790                 rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4791                     drv_presence);
4792         }
4793 
4794         return rval;
4795 }
4796 
4797 int
4798 qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
4799 {
4800         int rval = QLA_SUCCESS;
4801 
4802         qla83xx_idc_lock(vha, 0);
4803         rval = __qla83xx_clear_drv_presence(vha);
4804         qla83xx_idc_unlock(vha, 0);
4805 
4806         return rval;
4807 }
4808 
4809 static void
4810 qla83xx_need_reset_handler(scsi_qla_host_t *vha)
4811 {
4812         struct qla_hw_data *ha = vha->hw;
4813         uint32_t drv_ack, drv_presence;
4814         unsigned long ack_timeout;
4815 
4816         /* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
4817         ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
4818         while (1) {
4819                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
4820                 qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
4821                 if ((drv_ack & drv_presence) == drv_presence)
4822                         break;
4823 
4824                 if (time_after_eq(jiffies, ack_timeout)) {
4825                         ql_log(ql_log_warn, vha, 0xb067,
4826                             "RESET ACK TIMEOUT! drv_presence=0x%x "
4827                             "drv_ack=0x%x\n", drv_presence, drv_ack);
4828                         /*
4829                          * The function(s) which did not ack in time are forced
4830                          * to withdraw any further participation in the IDC
4831                          * reset.
4832                          */
4833                         if (drv_ack != drv_presence)
4834                                 qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
4835                                     drv_ack);
4836                         break;
4837                 }
4838 
4839                 qla83xx_idc_unlock(vha, 0);
4840                 msleep(1000);
4841                 qla83xx_idc_lock(vha, 0);
4842         }
4843 
4844         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
4845         ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
4846 }
4847 
4848 static int
4849 qla83xx_device_bootstrap(scsi_qla_host_t *vha)
4850 {
4851         int rval = QLA_SUCCESS;
4852         uint32_t idc_control;
4853 
4854         qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
4855         ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
4856 
4857         /* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
4858         __qla83xx_get_idc_control(vha, &idc_control);
4859         idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
4860         __qla83xx_set_idc_control(vha, 0);
4861 
4862         qla83xx_idc_unlock(vha, 0);
4863         rval = qla83xx_restart_nic_firmware(vha);
4864         qla83xx_idc_lock(vha, 0);
4865 
4866         if (rval != QLA_SUCCESS) {
4867                 ql_log(ql_log_fatal, vha, 0xb06a,
4868                     "Failed to restart NIC f/w.\n");
4869                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
4870                 ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
4871         } else {
4872                 ql_dbg(ql_dbg_p3p, vha, 0xb06c,
4873                     "Success in restarting nic f/w.\n");
4874                 qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
4875                 ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
4876         }
4877 
4878         return rval;
4879 }
4880 
4881 /* Assumes idc_lock always held on entry */
4882 int
4883 qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
4884 {
4885         struct qla_hw_data *ha = base_vha->hw;
4886         int rval = QLA_SUCCESS;
4887         unsigned long dev_init_timeout;
4888         uint32_t dev_state;
4889 
4890         /* Wait for MAX-INIT-TIMEOUT for the device to go ready */
4891         dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
4892 
4893         while (1) {
4894 
4895                 if (time_after_eq(jiffies, dev_init_timeout)) {
4896                         ql_log(ql_log_warn, base_vha, 0xb06e,
4897                             "Initialization TIMEOUT!\n");
4898                         /* Init timeout. Disable further NIC Core
4899                          * communication.
4900                          */
4901                         qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
4902                                 QLA8XXX_DEV_FAILED);
4903                         ql_log(ql_log_info, base_vha, 0xb06f,
4904                             "HW State: FAILED.\n");
4905                 }
4906 
4907                 qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
4908                 switch (dev_state) {
4909                 case QLA8XXX_DEV_READY:
4910                         if (ha->flags.nic_core_reset_owner)
4911                                 qla83xx_idc_audit(base_vha,
4912                                     IDC_AUDIT_COMPLETION);
4913                         ha->flags.nic_core_reset_owner = 0;
4914                         ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
4915                             "Reset_owner reset by 0x%x.\n",
4916                             ha->portnum);
4917                         goto exit;
4918                 case QLA8XXX_DEV_COLD:
4919                         if (ha->flags.nic_core_reset_owner)
4920                                 rval = qla83xx_device_bootstrap(base_vha);
4921                         else {
4922                         /* Wait for AEN to change device-state */
4923                                 qla83xx_idc_unlock(base_vha, 0);
4924                                 msleep(1000);
4925                                 qla83xx_idc_lock(base_vha, 0);
4926                         }
4927                         break;
4928                 case QLA8XXX_DEV_INITIALIZING:
4929                         /* Wait for AEN to change device-state */
4930                         qla83xx_idc_unlock(base_vha, 0);
4931                         msleep(1000);
4932                         qla83xx_idc_lock(base_vha, 0);
4933                         break;
4934                 case QLA8XXX_DEV_NEED_RESET:
4935                         if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
4936                                 qla83xx_need_reset_handler(base_vha);
4937                         else {
4938                                 /* Wait for AEN to change device-state */
4939                                 qla83xx_idc_unlock(base_vha, 0);
4940                                 msleep(1000);
4941                                 qla83xx_idc_lock(base_vha, 0);
4942                         }
4943                         /* reset timeout value after need reset handler */
4944                         dev_init_timeout = jiffies +
4945                             (ha->fcoe_dev_init_timeout * HZ);
4946                         break;
4947                 case QLA8XXX_DEV_NEED_QUIESCENT:
4948                         /* XXX: DEBUG for now */
4949                         qla83xx_idc_unlock(base_vha, 0);
4950                         msleep(1000);
4951                         qla83xx_idc_lock(base_vha, 0);
4952                         break;
4953                 case QLA8XXX_DEV_QUIESCENT:
4954                         /* XXX: DEBUG for now */
4955                         if (ha->flags.quiesce_owner)
4956                                 goto exit;
4957 
4958                         qla83xx_idc_unlock(base_vha, 0);
4959                         msleep(1000);
4960                         qla83xx_idc_lock(base_vha, 0);
4961                         dev_init_timeout = jiffies +
4962                             (ha->fcoe_dev_init_timeout * HZ);
4963                         break;
4964                 case QLA8XXX_DEV_FAILED:
4965                         if (ha->flags.nic_core_reset_owner)
4966                                 qla83xx_idc_audit(base_vha,
4967                                     IDC_AUDIT_COMPLETION);
4968                         ha->flags.nic_core_reset_owner = 0;
4969                         __qla83xx_clear_drv_presence(base_vha);
4970                         qla83xx_idc_unlock(base_vha, 0);
4971                         qla8xxx_dev_failed_handler(base_vha);
4972                         rval = QLA_FUNCTION_FAILED;
4973                         qla83xx_idc_lock(base_vha, 0);
4974                         goto exit;
4975                 case QLA8XXX_BAD_VALUE:
4976                         qla83xx_idc_unlock(base_vha, 0);
4977                         msleep(1000);
4978                         qla83xx_idc_lock(base_vha, 0);
4979                         break;
4980                 default:
4981                         ql_log(ql_log_warn, base_vha, 0xb071,
4982                             "Unknown Device State: %x.\n", dev_state);
4983                         qla83xx_idc_unlock(base_vha, 0);
4984                         qla8xxx_dev_failed_handler(base_vha);
4985                         rval = QLA_FUNCTION_FAILED;
4986                         qla83xx_idc_lock(base_vha, 0);
4987                         goto exit;
4988                 }
4989         }
4990 
4991 exit:
4992         return rval;
4993 }
4994 
4995 void
4996 qla2x00_disable_board_on_pci_error(struct work_struct *work)
4997 {
4998         struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
4999             board_disable);
5000         struct pci_dev *pdev = ha->pdev;
5001         scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
5002 
5003         /* if UNLOAD flag is already set, then continue unload,
5004          * where it was set first.
5005          */
5006         if (test_bit(UNLOADING, &base_vha->dpc_flags))
5007                 return;
5008 
5009         ql_log(ql_log_warn, base_vha, 0x015b,
5010             "Disabling adapter.\n");
5011 
5012         set_bit(UNLOADING, &base_vha->dpc_flags);
5013 
5014         qla2x00_delete_all_vps(ha, base_vha);
5015 
5016         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5017 
5018         qla2x00_dfs_remove(base_vha);
5019 
5020         qla84xx_put_chip(base_vha);
5021 
5022         if (base_vha->timer_active)
5023                 qla2x00_stop_timer(base_vha);
5024 
5025         base_vha->flags.online = 0;
5026 
5027         qla2x00_destroy_deferred_work(ha);
5028 
5029         /*
5030          * Do not try to stop beacon blink as it will issue a mailbox
5031          * command.
5032          */
5033         qla2x00_free_sysfs_attr(base_vha, false);
5034 
5035         fc_remove_host(base_vha->host);
5036 
5037         scsi_remove_host(base_vha->host);
5038 
5039         base_vha->flags.init_done = 0;
5040         qla25xx_delete_queues(base_vha);
5041         qla2x00_free_irqs(base_vha);
5042         qla2x00_free_fcports(base_vha);
5043         qla2x00_mem_free(ha);
5044         qla82xx_md_free(base_vha);
5045         qla2x00_free_queues(ha);
5046 
5047         qla2x00_unmap_iobases(ha);
5048 
5049         pci_release_selected_regions(ha->pdev, ha->bars);
5050         pci_disable_pcie_error_reporting(pdev);
5051         pci_disable_device(pdev);
5052 
5053         /*
5054          * Let qla2x00_remove_one cleanup qla_hw_data on device removal.
5055          */
5056 }
5057 
5058 /**************************************************************************
5059 * qla2x00_do_dpc
5060 *   This kernel thread is a task that is schedule by the interrupt handler
5061 *   to perform the background processing for interrupts.
5062 *
5063 * Notes:
5064 * This task always run in the context of a kernel thread.  It
5065 * is kick-off by the driver's detect code and starts up
5066 * up one per adapter. It immediately goes to sleep and waits for
5067 * some fibre event.  When either the interrupt handler or
5068 * the timer routine detects a event it will one of the task
5069 * bits then wake us up.
5070 **************************************************************************/
5071 static int
5072 qla2x00_do_dpc(void *data)
5073 {
5074         scsi_qla_host_t *base_vha;
5075         struct qla_hw_data *ha;
5076 
5077         ha = (struct qla_hw_data *)data;
5078         base_vha = pci_get_drvdata(ha->pdev);
5079 
5080         set_user_nice(current, MIN_NICE);
5081 
5082         set_current_state(TASK_INTERRUPTIBLE);
5083         while (!kthread_should_stop()) {
5084                 ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
5085                     "DPC handler sleeping.\n");
5086 
5087                 schedule();
5088 
5089                 if (!base_vha->flags.init_done || ha->flags.mbox_busy)
5090                         goto end_loop;
5091 
5092                 if (ha->flags.eeh_busy) {
5093                         ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
5094                             "eeh_busy=%d.\n", ha->flags.eeh_busy);
5095                         goto end_loop;
5096                 }
5097 
5098                 ha->dpc_active = 1;
5099 
5100                 ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
5101                     "DPC handler waking up, dpc_flags=0x%lx.\n",
5102                     base_vha->dpc_flags);
5103 
5104                 if (test_bit(UNLOADING, &base_vha->dpc_flags))
5105                         break;
5106 
5107                 qla2x00_do_work(base_vha);
5108 
5109                 if (IS_P3P_TYPE(ha)) {
5110                         if (IS_QLA8044(ha)) {
5111                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
5112                                         &base_vha->dpc_flags)) {
5113                                         qla8044_idc_lock(ha);
5114                                         qla8044_wr_direct(base_vha,
5115                                                 QLA8044_CRB_DEV_STATE_INDEX,
5116                                                 QLA8XXX_DEV_FAILED);
5117                                         qla8044_idc_unlock(ha);
5118                                         ql_log(ql_log_info, base_vha, 0x4004,
5119                                                 "HW State: FAILED.\n");
5120                                         qla8044_device_state_handler(base_vha);
5121                                         continue;
5122                                 }
5123 
5124                         } else {
5125                                 if (test_and_clear_bit(ISP_UNRECOVERABLE,
5126                                         &base_vha->dpc_flags)) {
5127                                         qla82xx_idc_lock(ha);
5128                                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5129                                                 QLA8XXX_DEV_FAILED);
5130                                         qla82xx_idc_unlock(ha);
5131                                         ql_log(ql_log_info, base_vha, 0x0151,
5132                                                 "HW State: FAILED.\n");
5133                                         qla82xx_device_state_handler(base_vha);
5134                                         continue;
5135                                 }
5136                         }
5137 
5138                         if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
5139                                 &base_vha->dpc_flags)) {
5140 
5141                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
5142                                     "FCoE context reset scheduled.\n");
5143                                 if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5144                                         &base_vha->dpc_flags))) {
5145                                         if (qla82xx_fcoe_ctx_reset(base_vha)) {
5146                                                 /* FCoE-ctx reset failed.
5147                                                  * Escalate to chip-reset
5148                                                  */
5149                                                 set_bit(ISP_ABORT_NEEDED,
5150                                                         &base_vha->dpc_flags);
5151                                         }
5152                                         clear_bit(ABORT_ISP_ACTIVE,
5153                                                 &base_vha->dpc_flags);
5154                                 }
5155 
5156                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
5157                                     "FCoE context reset end.\n");
5158                         }
5159                 } else if (IS_QLAFX00(ha)) {
5160                         if (test_and_clear_bit(ISP_UNRECOVERABLE,
5161                                 &base_vha->dpc_flags)) {
5162                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
5163                                     "Firmware Reset Recovery\n");
5164                                 if (qlafx00_reset_initialize(base_vha)) {
5165                                         /* Failed. Abort isp later. */
5166                                         if (!test_bit(UNLOADING,
5167                                             &base_vha->dpc_flags)) {
5168                                                 set_bit(ISP_UNRECOVERABLE,
5169                                                     &base_vha->dpc_flags);
5170                                                 ql_dbg(ql_dbg_dpc, base_vha,
5171                                                     0x4021,
5172                                                     "Reset Recovery Failed\n");
5173                                         }
5174                                 }
5175                         }
5176 
5177                         if (test_and_clear_bit(FX00_TARGET_SCAN,
5178                                 &base_vha->dpc_flags)) {
5179                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
5180                                     "ISPFx00 Target Scan scheduled\n");
5181                                 if (qlafx00_rescan_isp(base_vha)) {
5182                                         if (!test_bit(UNLOADING,
5183                                             &base_vha->dpc_flags))
5184                                                 set_bit(ISP_UNRECOVERABLE,
5185                                                     &base_vha->dpc_flags);
5186                                         ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
5187                                             "ISPFx00 Target Scan Failed\n");
5188                                 }
5189                                 ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
5190                                     "ISPFx00 Target Scan End\n");
5191                         }
5192                         if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
5193                                 &base_vha->dpc_flags)) {
5194                                 ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
5195                                     "ISPFx00 Host Info resend scheduled\n");
5196                                 qlafx00_fx_disc(base_vha,
5197                                     &base_vha->hw->mr.fcport,
5198                                     FXDISC_REG_HOST_INFO);
5199                         }
5200                 }
5201 
5202                 if (test_and_clear_bit(ISP_ABORT_NEEDED,
5203                                                 &base_vha->dpc_flags)) {
5204 
5205                         ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
5206                             "ISP abort scheduled.\n");
5207                         if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
5208                             &base_vha->dpc_flags))) {
5209 
5210                                 if (ha->isp_ops->abort_isp(base_vha)) {
5211                                         /* failed. retry later */
5212                                         set_bit(ISP_ABORT_NEEDED,
5213                                             &base_vha->dpc_flags);
5214                                 }
5215                                 clear_bit(ABORT_ISP_ACTIVE,
5216                                                 &base_vha->dpc_flags);
5217                         }
5218 
5219                         ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
5220                             "ISP abort end.\n");
5221                 }
5222 
5223                 if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
5224                     &base_vha->dpc_flags)) {
5225                         qla2x00_update_fcports(base_vha);
5226                 }
5227 
5228                 if (test_bit(SCR_PENDING, &base_vha->dpc_flags)) {
5229                         int ret;
5230                         ret = qla2x00_send_change_request(base_vha, 0x3, 0);
5231                         if (ret != QLA_SUCCESS)
5232                                 ql_log(ql_log_warn, base_vha, 0x121,
5233                                     "Failed to enable receiving of RSCN "
5234                                     "requests: 0x%x.\n", ret);
5235                         clear_bit(SCR_PENDING, &base_vha->dpc_flags);
5236                 }
5237 
5238                 if (IS_QLAFX00(ha))
5239                         goto loop_resync_check;
5240 
5241                 if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
5242                         ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
5243                             "Quiescence mode scheduled.\n");
5244                         if (IS_P3P_TYPE(ha)) {
5245                                 if (IS_QLA82XX(ha))
5246                                         qla82xx_device_state_handler(base_vha);
5247                                 if (IS_QLA8044(ha))
5248                                         qla8044_device_state_handler(base_vha);
5249                                 clear_bit(ISP_QUIESCE_NEEDED,
5250                                     &base_vha->dpc_flags);
5251                                 if (!ha->flags.quiesce_owner) {
5252                                         qla2x00_perform_loop_resync(base_vha);
5253                                         if (IS_QLA82XX(ha)) {
5254                                                 qla82xx_idc_lock(ha);
5255                                                 qla82xx_clear_qsnt_ready(
5256                                                     base_vha);
5257                                                 qla82xx_idc_unlock(ha);
5258                                         } else if (IS_QLA8044(ha)) {
5259                                                 qla8044_idc_lock(ha);
5260                                                 qla8044_clear_qsnt_ready(
5261                                                     base_vha);
5262                                                 qla8044_idc_unlock(ha);
5263                                         }
5264                                 }
5265                         } else {
5266                                 clear_bit(ISP_QUIESCE_NEEDED,
5267                                     &base_vha->dpc_flags);
5268                                 qla2x00_quiesce_io(base_vha);
5269                         }
5270                         ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
5271                             "Quiescence mode end.\n");
5272                 }
5273 
5274                 if (test_and_clear_bit(RESET_MARKER_NEEDED,
5275                                 &base_vha->dpc_flags) &&
5276                     (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
5277 
5278                         ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
5279                             "Reset marker scheduled.\n");
5280                         qla2x00_rst_aen(base_vha);
5281                         clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
5282                         ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
5283                             "Reset marker end.\n");
5284                 }
5285 
5286                 /* Retry each device up to login retry count */
5287                 if ((test_and_clear_bit(RELOGIN_NEEDED,
5288                                                 &base_vha->dpc_flags)) &&
5289                     !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
5290                     atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
5291 
5292                         ql_dbg(ql_dbg_dpc, base_vha, 0x400d,
5293                             "Relogin scheduled.\n");
5294                         qla2x00_relogin(base_vha);
5295                         ql_dbg(ql_dbg_dpc, base_vha, 0x400e,
5296                             "Relogin end.\n");
5297                 }
5298 loop_resync_check:
5299                 if (test_and_clear_bit(LOOP_RESYNC_NEEDED,
5300                     &base_vha->dpc_flags)) {
5301 
5302                         ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
5303                             "Loop resync scheduled.\n");
5304 
5305                         if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
5306                             &base_vha->dpc_flags))) {
5307 
5308                                 qla2x00_loop_resync(base_vha);
5309 
5310                                 clear_bit(LOOP_RESYNC_ACTIVE,
5311                                                 &base_vha->dpc_flags);
5312                         }
5313 
5314                         ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
5315                             "Loop resync end.\n");
5316                 }
5317 
5318                 if (IS_QLAFX00(ha))
5319                         goto intr_on_check;
5320 
5321                 if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
5322                     atomic_read(&base_vha->loop_state) == LOOP_READY) {
5323                         clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
5324                         qla2xxx_flash_npiv_conf(base_vha);
5325                 }
5326 
5327 intr_on_check:
5328                 if (!ha->interrupts_on)
5329                         ha->isp_ops->enable_intrs(ha);
5330 
5331                 if (test_and_clear_bit(BEACON_BLINK_NEEDED,
5332                                         &base_vha->dpc_flags)) {
5333                         if (ha->beacon_blink_led == 1)
5334                                 ha->isp_ops->beacon_blink(base_vha);
5335                 }
5336 
5337                 if (!IS_QLAFX00(ha))
5338                         qla2x00_do_dpc_all_vps(base_vha);
5339 
5340                 ha->dpc_active = 0;
5341 end_loop:
5342                 set_current_state(TASK_INTERRUPTIBLE);
5343         } /* End of while(1) */
5344         __set_current_state(TASK_RUNNING);
5345 
5346         ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
5347             "DPC handler exiting.\n");
5348 
5349         /*
5350          * Make sure that nobody tries to wake us up again.
5351          */
5352         ha->dpc_active = 0;
5353 
5354         /* Cleanup any residual CTX SRBs. */
5355         qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
5356 
5357         return 0;
5358 }
5359 
5360 void
5361 qla2xxx_wake_dpc(struct scsi_qla_host *vha)
5362 {
5363         struct qla_hw_data *ha = vha->hw;
5364         struct task_struct *t = ha->dpc_thread;
5365 
5366         if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
5367                 wake_up_process(t);
5368 }
5369 
5370 /*
5371 *  qla2x00_rst_aen
5372 *      Processes asynchronous reset.
5373 *
5374 * Input:
5375 *      ha  = adapter block pointer.
5376 */
5377 static void
5378 qla2x00_rst_aen(scsi_qla_host_t *vha)
5379 {
5380         if (vha->flags.online && !vha->flags.reset_active &&
5381             !atomic_read(&vha->loop_down_timer) &&
5382             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
5383                 do {
5384                         clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
5385 
5386                         /*
5387                          * Issue marker command only when we are going to start
5388                          * the I/O.
5389                          */
5390                         vha->marker_needed = 1;
5391                 } while (!atomic_read(&vha->loop_down_timer) &&
5392                     (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
5393         }
5394 }
5395 
5396 /**************************************************************************
5397 *   qla2x00_timer
5398 *
5399 * Description:
5400 *   One second timer
5401 *
5402 * Context: Interrupt
5403 ***************************************************************************/
5404 void
5405 qla2x00_timer(scsi_qla_host_t *vha)
5406 {
5407         unsigned long   cpu_flags = 0;
5408         int             start_dpc = 0;
5409         int             index;
5410         srb_t           *sp;
5411         uint16_t        w;
5412         struct qla_hw_data *ha = vha->hw;
5413         struct req_que *req;
5414 
5415         if (ha->flags.eeh_busy) {
5416                 ql_dbg(ql_dbg_timer, vha, 0x6000,
5417                     "EEH = %d, restarting timer.\n",
5418                     ha->flags.eeh_busy);
5419                 qla2x00_restart_timer(vha, WATCH_INTERVAL);
5420                 return;
5421         }
5422 
5423         /*
5424          * Hardware read to raise pending EEH errors during mailbox waits. If
5425          * the read returns -1 then disable the board.
5426          */
5427         if (!pci_channel_offline(ha->pdev)) {
5428                 pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
5429                 qla2x00_check_reg16_for_disconnect(vha, w);
5430         }
5431 
5432         /* Make sure qla82xx_watchdog is run only for physical port */
5433         if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
5434                 if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
5435                         start_dpc++;
5436                 if (IS_QLA82XX(ha))
5437                         qla82xx_watchdog(vha);
5438                 else if (IS_QLA8044(ha))
5439                         qla8044_watchdog(vha);
5440         }
5441 
5442         if (!vha->vp_idx && IS_QLAFX00(ha))
5443                 qlafx00_timer_routine(vha);
5444 
5445         /* Loop down handler. */
5446         if (atomic_read(&vha->loop_down_timer) > 0 &&
5447             !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
5448             !(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
5449                 && vha->flags.online) {
5450 
5451                 if (atomic_read(&vha->loop_down_timer) ==
5452                     vha->loop_down_abort_time) {
5453 
5454                         ql_log(ql_log_info, vha, 0x6008,
5455                             "Loop down - aborting the queues before time expires.\n");
5456 
5457                         if (!IS_QLA2100(ha) && vha->link_down_timeout)
5458                                 atomic_set(&vha->loop_state, LOOP_DEAD);
5459 
5460                         /*
5461                          * Schedule an ISP abort to return any FCP2-device
5462                          * commands.
5463                          */
5464                         /* NPIV - scan physical port only */
5465                         if (!vha->vp_idx) {
5466                                 spin_lock_irqsave(&ha->hardware_lock,
5467                                     cpu_flags);
5468                                 req = ha->req_q_map[0];
5469                                 for (index = 1;
5470                                     index < req->num_outstanding_cmds;
5471                                     index++) {
5472                                         fc_port_t *sfcp;
5473 
5474                                         sp = req->outstanding_cmds[index];
5475                                         if (!sp)
5476                                                 continue;
5477                                         if (sp->type != SRB_SCSI_CMD)
5478                                                 continue;
5479                                         sfcp = sp->fcport;
5480                                         if (!(sfcp->flags & FCF_FCP2_DEVICE))
5481                                                 continue;
5482 
5483                                         if (IS_QLA82XX(ha))
5484                                                 set_bit(FCOE_CTX_RESET_NEEDED,
5485                                                         &vha->dpc_flags);
5486                                         else
5487                                                 set_bit(ISP_ABORT_NEEDED,
5488                                                         &vha->dpc_flags);
5489                                         break;
5490                                 }
5491                                 spin_unlock_irqrestore(&ha->hardware_lock,
5492                                                                 cpu_flags);
5493                         }
5494                         start_dpc++;
5495                 }
5496 
5497                 /* if the loop has been down for 4 minutes, reinit adapter */
5498                 if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
5499                         if (!(vha->device_flags & DFLG_NO_CABLE)) {
5500                                 ql_log(ql_log_warn, vha, 0x6009,
5501                                     "Loop down - aborting ISP.\n");
5502 
5503                                 if (IS_QLA82XX(ha))
5504                                         set_bit(FCOE_CTX_RESET_NEEDED,
5505                                                 &vha->dpc_flags);
5506                                 else
5507                                         set_bit(ISP_ABORT_NEEDED,
5508                                                 &vha->dpc_flags);
5509                         }
5510                 }
5511                 ql_dbg(ql_dbg_timer, vha, 0x600a,
5512                     "Loop down - seconds remaining %d.\n",
5513                     atomic_read(&vha->loop_down_timer));
5514         }
5515         /* Check if beacon LED needs to be blinked for physical host only */
5516         if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
5517                 /* There is no beacon_blink function for ISP82xx */
5518                 if (!IS_P3P_TYPE(ha)) {
5519                         set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
5520                         start_dpc++;
5521                 }
5522         }
5523 
5524         /* Process any deferred work. */
5525         if (!list_empty(&vha->work_list))
5526                 start_dpc++;
5527 
5528         /* Schedule the DPC routine if needed */
5529         if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
5530             test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
5531             test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
5532             start_dpc ||
5533             test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
5534             test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
5535             test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
5536             test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
5537             test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
5538             test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) {
5539                 ql_dbg(ql_dbg_timer, vha, 0x600b,
5540                     "isp_abort_needed=%d loop_resync_needed=%d "
5541                     "fcport_update_needed=%d start_dpc=%d "
5542                     "reset_marker_needed=%d",
5543                     test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
5544                     test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
5545                     test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
5546                     start_dpc,
5547                     test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
5548                 ql_dbg(ql_dbg_timer, vha, 0x600c,
5549                     "beacon_blink_needed=%d isp_unrecoverable=%d "
5550                     "fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
5551                     "relogin_needed=%d.\n",
5552                     test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
5553                     test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
5554                     test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
5555                     test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
5556                     test_bit(RELOGIN_NEEDED, &vha->dpc_flags));
5557                 qla2xxx_wake_dpc(vha);
5558         }
5559 
5560         qla2x00_restart_timer(vha, WATCH_INTERVAL);
5561 }
5562 
5563 /* Firmware interface routines. */
5564 
5565 #define FW_BLOBS        11
5566 #define FW_ISP21XX      0
5567 #define FW_ISP22XX      1
5568 #define FW_ISP2300      2
5569 #define FW_ISP2322      3
5570 #define FW_ISP24XX      4
5571 #define FW_ISP25XX      5
5572 #define FW_ISP81XX      6
5573 #define FW_ISP82XX      7
5574 #define FW_ISP2031      8
5575 #define FW_ISP8031      9
5576 #define FW_ISP27XX      10
5577 
5578 #define FW_FILE_ISP21XX "ql2100_fw.bin"
5579 #define FW_FILE_ISP22XX "ql2200_fw.bin"
5580 #define FW_FILE_ISP2300 "ql2300_fw.bin"
5581 #define FW_FILE_ISP2322 "ql2322_fw.bin"
5582 #define FW_FILE_ISP24XX "ql2400_fw.bin"
5583 #define FW_FILE_ISP25XX "ql2500_fw.bin"
5584 #define FW_FILE_ISP81XX "ql8100_fw.bin"
5585 #define FW_FILE_ISP82XX "ql8200_fw.bin"
5586 #define FW_FILE_ISP2031 "ql2600_fw.bin"
5587 #define FW_FILE_ISP8031 "ql8300_fw.bin"
5588 #define FW_FILE_ISP27XX "ql2700_fw.bin"
5589 
5590 
5591 static DEFINE_MUTEX(qla_fw_lock);
5592 
5593 static struct fw_blob qla_fw_blobs[FW_BLOBS] = {
5594         { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
5595         { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
5596         { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
5597         { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
5598         { .name = FW_FILE_ISP24XX, },
5599         { .name = FW_FILE_ISP25XX, },
5600         { .name = FW_FILE_ISP81XX, },
5601         { .name = FW_FILE_ISP82XX, },
5602         { .name = FW_FILE_ISP2031, },
5603         { .name = FW_FILE_ISP8031, },
5604         { .name = FW_FILE_ISP27XX, },
5605 };
5606 
5607 struct fw_blob *
5608 qla2x00_request_firmware(scsi_qla_host_t *vha)
5609 {
5610         struct qla_hw_data *ha = vha->hw;
5611         struct fw_blob *blob;
5612 
5613         if (IS_QLA2100(ha)) {
5614                 blob = &qla_fw_blobs[FW_ISP21XX];
5615         } else if (IS_QLA2200(ha)) {
5616                 blob = &qla_fw_blobs[FW_ISP22XX];
5617         } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
5618                 blob = &qla_fw_blobs[FW_ISP2300];
5619         } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
5620                 blob = &qla_fw_blobs[FW_ISP2322];
5621         } else if (IS_QLA24XX_TYPE(ha)) {
5622                 blob = &qla_fw_blobs[FW_ISP24XX];
5623         } else if (IS_QLA25XX(ha)) {
5624                 blob = &qla_fw_blobs[FW_ISP25XX];
5625         } else if (IS_QLA81XX(ha)) {
5626                 blob = &qla_fw_blobs[FW_ISP81XX];
5627         } else if (IS_QLA82XX(ha)) {
5628                 blob = &qla_fw_blobs[FW_ISP82XX];
5629         } else if (IS_QLA2031(ha)) {
5630                 blob = &qla_fw_blobs[FW_ISP2031];
5631         } else if (IS_QLA8031(ha)) {
5632                 blob = &qla_fw_blobs[FW_ISP8031];
5633         } else if (IS_QLA27XX(ha)) {
5634                 blob = &qla_fw_blobs[FW_ISP27XX];
5635         } else {
5636                 return NULL;
5637         }
5638 
5639         mutex_lock(&qla_fw_lock);
5640         if (blob->fw)
5641                 goto out;
5642 
5643         if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
5644                 ql_log(ql_log_warn, vha, 0x0063,
5645                     "Failed to load firmware image (%s).\n", blob->name);
5646                 blob->fw = NULL;
5647                 blob = NULL;
5648                 goto out;
5649         }
5650 
5651 out:
5652         mutex_unlock(&qla_fw_lock);
5653         return blob;
5654 }
5655 
5656 static void
5657 qla2x00_release_firmware(void)
5658 {
5659         int idx;
5660 
5661         mutex_lock(&qla_fw_lock);
5662         for (idx = 0; idx < FW_BLOBS; idx++)
5663                 release_firmware(qla_fw_blobs[idx].fw);
5664         mutex_unlock(&qla_fw_lock);
5665 }
5666 
5667 static pci_ers_result_t
5668 qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
5669 {
5670         scsi_qla_host_t *vha = pci_get_drvdata(pdev);
5671         struct qla_hw_data *ha = vha->hw;
5672 
5673         ql_dbg(ql_dbg_aer, vha, 0x9000,
5674             "PCI error detected, state %x.\n", state);
5675 
5676         switch (state) {
5677         case pci_channel_io_normal:
5678                 ha->flags.eeh_busy = 0;
5679                 return PCI_ERS_RESULT_CAN_RECOVER;
5680         case pci_channel_io_frozen:
5681                 ha->flags.eeh_busy = 1;
5682                 /* For ISP82XX complete any pending mailbox cmd */
5683                 if (IS_QLA82XX(ha)) {
5684                         ha->flags.isp82xx_fw_hung = 1;
5685                         ql_dbg(ql_dbg_aer, vha, 0x9001, "Pci channel io frozen\n");
5686                         qla82xx_clear_pending_mbx(vha);
5687                 }
5688                 qla2x00_free_irqs(vha);
5689                 pci_disable_device(pdev);
5690                 /* Return back all IOs */
5691                 qla2x00_abort_all_cmds(vha, DID_RESET << 16);
5692                 return PCI_ERS_RESULT_NEED_RESET;
5693         case pci_channel_io_perm_failure:
5694                 ha->flags.pci_channel_io_perm_failure = 1;
5695                 qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
5696                 return PCI_ERS_RESULT_DISCONNECT;
5697         }
5698         return PCI_ERS_RESULT_NEED_RESET;
5699 }
5700 
5701 static pci_ers_result_t
5702 qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
5703 {
5704         int risc_paused = 0;
5705         uint32_t stat;
5706         unsigned long flags;
5707         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5708         struct qla_hw_data *ha = base_vha->hw;
5709         struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
5710         struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
5711 
5712         if (IS_QLA82XX(ha))
5713                 return PCI_ERS_RESULT_RECOVERED;
5714 
5715         spin_lock_irqsave(&ha->hardware_lock, flags);
5716         if (IS_QLA2100(ha) || IS_QLA2200(ha)){
5717                 stat = RD_REG_DWORD(&reg->hccr);
5718                 if (stat & HCCR_RISC_PAUSE)
5719                         risc_paused = 1;
5720         } else if (IS_QLA23XX(ha)) {
5721                 stat = RD_REG_DWORD(&reg->u.isp2300.host_status);
5722                 if (stat & HSR_RISC_PAUSED)
5723                         risc_paused = 1;
5724         } else if (IS_FWI2_CAPABLE(ha)) {
5725                 stat = RD_REG_DWORD(&reg24->host_status);
5726                 if (stat & HSRX_RISC_PAUSED)
5727                         risc_paused = 1;
5728         }
5729         spin_unlock_irqrestore(&ha->hardware_lock, flags);
5730 
5731         if (risc_paused) {
5732                 ql_log(ql_log_info, base_vha, 0x9003,
5733                     "RISC paused -- mmio_enabled, Dumping firmware.\n");
5734                 ha->isp_ops->fw_dump(base_vha, 0);
5735 
5736                 return PCI_ERS_RESULT_NEED_RESET;
5737         } else
5738                 return PCI_ERS_RESULT_RECOVERED;
5739 }
5740 
5741 static uint32_t
5742 qla82xx_error_recovery(scsi_qla_host_t *base_vha)
5743 {
5744         uint32_t rval = QLA_FUNCTION_FAILED;
5745         uint32_t drv_active = 0;
5746         struct qla_hw_data *ha = base_vha->hw;
5747         int fn;
5748         struct pci_dev *other_pdev = NULL;
5749 
5750         ql_dbg(ql_dbg_aer, base_vha, 0x9006,
5751             "Entered %s.\n", __func__);
5752 
5753         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5754 
5755         if (base_vha->flags.online) {
5756                 /* Abort all outstanding commands,
5757                  * so as to be requeued later */
5758                 qla2x00_abort_isp_cleanup(base_vha);
5759         }
5760 
5761 
5762         fn = PCI_FUNC(ha->pdev->devfn);
5763         while (fn > 0) {
5764                 fn--;
5765                 ql_dbg(ql_dbg_aer, base_vha, 0x9007,
5766                     "Finding pci device at function = 0x%x.\n", fn);
5767                 other_pdev =
5768                     pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus),
5769                     ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn),
5770                     fn));
5771 
5772                 if (!other_pdev)
5773                         continue;
5774                 if (atomic_read(&other_pdev->enable_cnt)) {
5775                         ql_dbg(ql_dbg_aer, base_vha, 0x9008,
5776                             "Found PCI func available and enable at 0x%x.\n",
5777                             fn);
5778                         pci_dev_put(other_pdev);
5779                         break;
5780                 }
5781                 pci_dev_put(other_pdev);
5782         }
5783 
5784         if (!fn) {
5785                 /* Reset owner */
5786                 ql_dbg(ql_dbg_aer, base_vha, 0x9009,
5787                     "This devfn is reset owner = 0x%x.\n",
5788                     ha->pdev->devfn);
5789                 qla82xx_idc_lock(ha);
5790 
5791                 qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5792                     QLA8XXX_DEV_INITIALIZING);
5793 
5794                 qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION,
5795                     QLA82XX_IDC_VERSION);
5796 
5797                 drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
5798                 ql_dbg(ql_dbg_aer, base_vha, 0x900a,
5799                     "drv_active = 0x%x.\n", drv_active);
5800 
5801                 qla82xx_idc_unlock(ha);
5802                 /* Reset if device is not already reset
5803                  * drv_active would be 0 if a reset has already been done
5804                  */
5805                 if (drv_active)
5806                         rval = qla82xx_start_firmware(base_vha);
5807                 else
5808                         rval = QLA_SUCCESS;
5809                 qla82xx_idc_lock(ha);
5810 
5811                 if (rval != QLA_SUCCESS) {
5812                         ql_log(ql_log_info, base_vha, 0x900b,
5813                             "HW State: FAILED.\n");
5814                         qla82xx_clear_drv_active(ha);
5815                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5816                             QLA8XXX_DEV_FAILED);
5817                 } else {
5818                         ql_log(ql_log_info, base_vha, 0x900c,
5819                             "HW State: READY.\n");
5820                         qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
5821                             QLA8XXX_DEV_READY);
5822                         qla82xx_idc_unlock(ha);
5823                         ha->flags.isp82xx_fw_hung = 0;
5824                         rval = qla82xx_restart_isp(base_vha);
5825                         qla82xx_idc_lock(ha);
5826                         /* Clear driver state register */
5827                         qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
5828                         qla82xx_set_drv_active(base_vha);
5829                 }
5830                 qla82xx_idc_unlock(ha);
5831         } else {
5832                 ql_dbg(ql_dbg_aer, base_vha, 0x900d,
5833                     "This devfn is not reset owner = 0x%x.\n",
5834                     ha->pdev->devfn);
5835                 if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) ==
5836                     QLA8XXX_DEV_READY)) {
5837                         ha->flags.isp82xx_fw_hung = 0;
5838                         rval = qla82xx_restart_isp(base_vha);
5839                         qla82xx_idc_lock(ha);
5840                         qla82xx_set_drv_active(base_vha);
5841                         qla82xx_idc_unlock(ha);
5842                 }
5843         }
5844         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5845 
5846         return rval;
5847 }
5848 
5849 static pci_ers_result_t
5850 qla2xxx_pci_slot_reset(struct pci_dev *pdev)
5851 {
5852         pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
5853         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5854         struct qla_hw_data *ha = base_vha->hw;
5855         struct rsp_que *rsp;
5856         int rc, retries = 10;
5857 
5858         ql_dbg(ql_dbg_aer, base_vha, 0x9004,
5859             "Slot Reset.\n");
5860 
5861         /* Workaround: qla2xxx driver which access hardware earlier
5862          * needs error state to be pci_channel_io_online.
5863          * Otherwise mailbox command timesout.
5864          */
5865         pdev->error_state = pci_channel_io_normal;
5866 
5867         pci_restore_state(pdev);
5868 
5869         /* pci_restore_state() clears the saved_state flag of the device
5870          * save restored state which resets saved_state flag
5871          */
5872         pci_save_state(pdev);
5873 
5874         if (ha->mem_only)
5875                 rc = pci_enable_device_mem(pdev);
5876         else
5877                 rc = pci_enable_device(pdev);
5878 
5879         if (rc) {
5880                 ql_log(ql_log_warn, base_vha, 0x9005,
5881                     "Can't re-enable PCI device after reset.\n");
5882                 goto exit_slot_reset;
5883         }
5884 
5885         rsp = ha->rsp_q_map[0];
5886         if (qla2x00_request_irqs(ha, rsp))
5887                 goto exit_slot_reset;
5888 
5889         if (ha->isp_ops->pci_config(base_vha))
5890                 goto exit_slot_reset;
5891 
5892         if (IS_QLA82XX(ha)) {
5893                 if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) {
5894                         ret = PCI_ERS_RESULT_RECOVERED;
5895                         goto exit_slot_reset;
5896                 } else
5897                         goto exit_slot_reset;
5898         }
5899 
5900         while (ha->flags.mbox_busy && retries--)
5901                 msleep(1000);
5902 
5903         set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5904         if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS)
5905                 ret =  PCI_ERS_RESULT_RECOVERED;
5906         clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
5907 
5908 
5909 exit_slot_reset:
5910         ql_dbg(ql_dbg_aer, base_vha, 0x900e,
5911             "slot_reset return %x.\n", ret);
5912 
5913         return ret;
5914 }
5915 
5916 static void
5917 qla2xxx_pci_resume(struct pci_dev *pdev)
5918 {
5919         scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
5920         struct qla_hw_data *ha = base_vha->hw;
5921         int ret;
5922 
5923         ql_dbg(ql_dbg_aer, base_vha, 0x900f,
5924             "pci_resume.\n");
5925 
5926         ret = qla2x00_wait_for_hba_online(base_vha);
5927         if (ret != QLA_SUCCESS) {
5928                 ql_log(ql_log_fatal, base_vha, 0x9002,
5929                     "The device failed to resume I/O from slot/link_reset.\n");
5930         }
5931 
5932         pci_cleanup_aer_uncorrect_error_status(pdev);
5933 
5934         ha->flags.eeh_busy = 0;
5935 }
5936 
5937 static void
5938 qla83xx_disable_laser(scsi_qla_host_t *vha)
5939 {
5940         uint32_t reg, data, fn;
5941         struct qla_hw_data *ha = vha->hw;
5942         struct device_reg_24xx __iomem *isp_reg = &ha->iobase->isp24;
5943 
5944         /* pci func #/port # */
5945         ql_dbg(ql_dbg_init, vha, 0x004b,
5946             "Disabling Laser for hba: %p\n", vha);
5947 
5948         fn = (RD_REG_DWORD(&isp_reg->ctrl_status) &
5949                 (BIT_15|BIT_14|BIT_13|BIT_12));
5950 
5951         fn = (fn >> 12);
5952 
5953         if (fn & 1)
5954                 reg = PORT_1_2031;
5955         else
5956                 reg = PORT_0_2031;
5957 
5958         data = LASER_OFF_2031;
5959 
5960         qla83xx_wr_reg(vha, reg, data);
5961 }
5962 
5963 static const struct pci_error_handlers qla2xxx_err_handler = {
5964         .error_detected = qla2xxx_pci_error_detected,
5965         .mmio_enabled = qla2xxx_pci_mmio_enabled,
5966         .slot_reset = qla2xxx_pci_slot_reset,
5967         .resume = qla2xxx_pci_resume,
5968 };
5969 
5970 static struct pci_device_id qla2xxx_pci_tbl[] = {
5971         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
5972         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
5973         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
5974         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
5975         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
5976         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
5977         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
5978         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
5979         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
5980         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
5981         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
5982         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
5983         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
5984         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
5985         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
5986         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
5987         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
5988         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
5989         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
5990         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
5991         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
5992         { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
5993         { 0 },
5994 };
5995 MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
5996 
5997 static struct pci_driver qla2xxx_pci_driver = {
5998         .name           = QLA2XXX_DRIVER_NAME,
5999         .driver         = {
6000                 .owner          = THIS_MODULE,
6001         },
6002         .id_table       = qla2xxx_pci_tbl,
6003         .probe          = qla2x00_probe_one,
6004         .remove         = qla2x00_remove_one,
6005         .shutdown       = qla2x00_shutdown,
6006         .err_handler    = &qla2xxx_err_handler,
6007 };
6008 
6009 static const struct file_operations apidev_fops = {
6010         .owner = THIS_MODULE,
6011         .llseek = noop_llseek,
6012 };
6013 
6014 /**
6015  * qla2x00_module_init - Module initialization.
6016  **/
6017 static int __init
6018 qla2x00_module_init(void)
6019 {
6020         int ret = 0;
6021 
6022         /* Allocate cache for SRBs. */
6023         srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
6024             SLAB_HWCACHE_ALIGN, NULL);
6025         if (srb_cachep == NULL) {
6026                 ql_log(ql_log_fatal, NULL, 0x0001,
6027                     "Unable to allocate SRB cache...Failing load!.\n");
6028                 return -ENOMEM;
6029         }
6030 
6031         /* Initialize target kmem_cache and mem_pools */
6032         ret = qlt_init();
6033         if (ret < 0) {
6034                 kmem_cache_destroy(srb_cachep);
6035                 return ret;
6036         } else if (ret > 0) {
6037                 /*
6038                  * If initiator mode is explictly disabled by qlt_init(),
6039                  * prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
6040                  * performing scsi_scan_target() during LOOP UP event.
6041                  */
6042                 qla2xxx_transport_functions.disable_target_scan = 1;
6043                 qla2xxx_transport_vport_functions.disable_target_scan = 1;
6044         }
6045 
6046         /* Derive version string. */
6047         strcpy(qla2x00_version_str, QLA2XXX_VERSION);
6048         if (ql2xextended_error_logging)
6049                 strcat(qla2x00_version_str, "-debug");
6050 
6051         qla2xxx_transport_template =
6052             fc_attach_transport(&qla2xxx_transport_functions);
6053         if (!qla2xxx_transport_template) {
6054                 kmem_cache_destroy(srb_cachep);
6055                 ql_log(ql_log_fatal, NULL, 0x0002,
6056                     "fc_attach_transport failed...Failing load!.\n");
6057                 qlt_exit();
6058                 return -ENODEV;
6059         }
6060 
6061         apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
6062         if (apidev_major < 0) {
6063                 ql_log(ql_log_fatal, NULL, 0x0003,
6064                     "Unable to register char device %s.\n", QLA2XXX_APIDEV);
6065         }
6066 
6067         qla2xxx_transport_vport_template =
6068             fc_attach_transport(&qla2xxx_transport_vport_functions);
6069         if (!qla2xxx_transport_vport_template) {
6070                 kmem_cache_destroy(srb_cachep);
6071                 qlt_exit();
6072                 fc_release_transport(qla2xxx_transport_template);
6073                 ql_log(ql_log_fatal, NULL, 0x0004,
6074                     "fc_attach_transport vport failed...Failing load!.\n");
6075                 return -ENODEV;
6076         }
6077         ql_log(ql_log_info, NULL, 0x0005,
6078             "QLogic Fibre Channel HBA Driver: %s.\n",
6079             qla2x00_version_str);
6080         ret = pci_register_driver(&qla2xxx_pci_driver);
6081         if (ret) {
6082                 kmem_cache_destroy(srb_cachep);
6083                 qlt_exit();
6084                 fc_release_transport(qla2xxx_transport_template);
6085                 fc_release_transport(qla2xxx_transport_vport_template);
6086                 ql_log(ql_log_fatal, NULL, 0x0006,
6087                     "pci_register_driver failed...ret=%d Failing load!.\n",
6088                     ret);
6089         }
6090         return ret;
6091 }
6092 
6093 /**
6094  * qla2x00_module_exit - Module cleanup.
6095  **/
6096 static void __exit
6097 qla2x00_module_exit(void)
6098 {
6099         unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
6100         pci_unregister_driver(&qla2xxx_pci_driver);
6101         qla2x00_release_firmware();
6102         kmem_cache_destroy(srb_cachep);
6103         qlt_exit();
6104         if (ctx_cachep)
6105                 kmem_cache_destroy(ctx_cachep);
6106         fc_release_transport(qla2xxx_transport_template);
6107         fc_release_transport(qla2xxx_transport_vport_template);
6108 }
6109 
6110 module_init(qla2x00_module_init);
6111 module_exit(qla2x00_module_exit);
6112 
6113 MODULE_AUTHOR("QLogic Corporation");
6114 MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
6115 MODULE_LICENSE("GPL");
6116 MODULE_VERSION(QLA2XXX_VERSION);
6117 MODULE_FIRMWARE(FW_FILE_ISP21XX);
6118 MODULE_FIRMWARE(FW_FILE_ISP22XX);
6119 MODULE_FIRMWARE(FW_FILE_ISP2300);
6120 MODULE_FIRMWARE(FW_FILE_ISP2322);
6121 MODULE_FIRMWARE(FW_FILE_ISP24XX);
6122 MODULE_FIRMWARE(FW_FILE_ISP25XX);
6123 

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