Version:  2.0.40 2.2.26 2.4.37 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0

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

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