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-rw-r--r--Documentation/scsi/scsi_fc_transport.txt36
-rw-r--r--drivers/mmc/card/block.c10
-rw-r--r--drivers/s390/scsi/zfcp_aux.c150
-rw-r--r--drivers/s390/scsi/zfcp_ccw.c45
-rw-r--r--drivers/s390/scsi/zfcp_dbf.c75
-rw-r--r--drivers/s390/scsi/zfcp_dbf.h1
-rw-r--r--drivers/s390/scsi/zfcp_def.h179
-rw-r--r--drivers/s390/scsi/zfcp_erp.c229
-rw-r--r--drivers/s390/scsi/zfcp_ext.h27
-rw-r--r--drivers/s390/scsi/zfcp_fc.c227
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c584
-rw-r--r--drivers/s390/scsi/zfcp_fsf.h75
-rw-r--r--drivers/s390/scsi/zfcp_qdio.c67
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c28
-rw-r--r--drivers/s390/scsi/zfcp_sysfs.c60
-rw-r--r--drivers/scsi/Kconfig8
-rw-r--r--drivers/scsi/device_handler/scsi_dh_emc.c5
-rw-r--r--drivers/scsi/device_handler/scsi_dh_hp_sw.c2
-rw-r--r--drivers/scsi/device_handler/scsi_dh_rdac.c4
-rw-r--r--drivers/scsi/hosts.c2
-rw-r--r--drivers/scsi/libiscsi.c2
-rw-r--r--drivers/scsi/qla2xxx/qla_attr.c9
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h13
-rw-r--r--drivers/scsi/qla2xxx/qla_fw.h71
-rw-r--r--drivers/scsi/qla2xxx/qla_gbl.h4
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c14
-rw-r--r--drivers/scsi/qla2xxx/qla_inline.h2
-rw-r--r--drivers/scsi/qla2xxx/qla_iocb.c30
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c17
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c6
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c9
-rw-r--r--drivers/scsi/qla2xxx/qla_sup.c338
-rw-r--r--drivers/scsi/qla2xxx/qla_version.h2
-rw-r--r--drivers/scsi/scsi.c13
-rw-r--r--drivers/scsi/scsi_lib.c39
-rw-r--r--drivers/scsi/scsi_netlink.c523
-rw-r--r--drivers/scsi/scsi_proc.c8
-rw-r--r--drivers/scsi/scsi_scan.c20
-rw-r--r--drivers/scsi/scsi_sysfs.c1
-rw-r--r--drivers/scsi/scsi_tgt_lib.c6
-rw-r--r--drivers/scsi/scsi_transport_fc.c54
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c4
-rw-r--r--drivers/scsi/sd.c27
-rw-r--r--drivers/scsi/tmscsim.c4
-rw-r--r--include/linux/string_helpers.h16
-rw-r--r--include/scsi/scsi_device.h21
-rw-r--r--include/scsi/scsi_netlink.h62
-rw-r--r--include/scsi/scsi_transport_fc.h23
-rw-r--r--lib/Makefile3
-rw-r--r--lib/string_helpers.c64
50 files changed, 2107 insertions, 1112 deletions
diff --git a/Documentation/scsi/scsi_fc_transport.txt b/Documentation/scsi/scsi_fc_transport.txt
index 75143f0c23b6..38d324d62b25 100644
--- a/Documentation/scsi/scsi_fc_transport.txt
+++ b/Documentation/scsi/scsi_fc_transport.txt
@@ -436,6 +436,42 @@ Other:
436 was updated to remove all vports for the fc_host as well. 436 was updated to remove all vports for the fc_host as well.
437 437
438 438
439Transport supplied functions
440----------------------------
441
442The following functions are supplied by the FC-transport for use by LLDs.
443
444 fc_vport_create - create a vport
445 fc_vport_terminate - detach and remove a vport
446
447Details:
448
449/**
450 * fc_vport_create - Admin App or LLDD requests creation of a vport
451 * @shost: scsi host the virtual port is connected to.
452 * @ids: The world wide names, FC4 port roles, etc for
453 * the virtual port.
454 *
455 * Notes:
456 * This routine assumes no locks are held on entry.
457 */
458struct fc_vport *
459fc_vport_create(struct Scsi_Host *shost, struct fc_vport_identifiers *ids)
460
461/**
462 * fc_vport_terminate - Admin App or LLDD requests termination of a vport
463 * @vport: fc_vport to be terminated
464 *
465 * Calls the LLDD vport_delete() function, then deallocates and removes
466 * the vport from the shost and object tree.
467 *
468 * Notes:
469 * This routine assumes no locks are held on entry.
470 */
471int
472fc_vport_terminate(struct fc_vport *vport)
473
474
439Credits 475Credits
440======= 476=======
441The following people have contributed to this document: 477The following people have contributed to this document:
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index 97156b689e82..efacee0404a0 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -29,6 +29,7 @@
29#include <linux/blkdev.h> 29#include <linux/blkdev.h>
30#include <linux/mutex.h> 30#include <linux/mutex.h>
31#include <linux/scatterlist.h> 31#include <linux/scatterlist.h>
32#include <linux/string_helpers.h>
32 33
33#include <linux/mmc/card.h> 34#include <linux/mmc/card.h>
34#include <linux/mmc/host.h> 35#include <linux/mmc/host.h>
@@ -532,6 +533,8 @@ static int mmc_blk_probe(struct mmc_card *card)
532 struct mmc_blk_data *md; 533 struct mmc_blk_data *md;
533 int err; 534 int err;
534 535
536 char cap_str[10];
537
535 /* 538 /*
536 * Check that the card supports the command class(es) we need. 539 * Check that the card supports the command class(es) we need.
537 */ 540 */
@@ -546,10 +549,11 @@ static int mmc_blk_probe(struct mmc_card *card)
546 if (err) 549 if (err)
547 goto out; 550 goto out;
548 551
549 printk(KERN_INFO "%s: %s %s %lluKiB %s\n", 552 string_get_size(get_capacity(md->disk) << 9, STRING_UNITS_2,
553 cap_str, sizeof(cap_str));
554 printk(KERN_INFO "%s: %s %s %s %s\n",
550 md->disk->disk_name, mmc_card_id(card), mmc_card_name(card), 555 md->disk->disk_name, mmc_card_id(card), mmc_card_name(card),
551 (unsigned long long)(get_capacity(md->disk) >> 1), 556 cap_str, md->read_only ? "(ro)" : "");
552 md->read_only ? "(ro)" : "");
553 557
554 mmc_set_drvdata(card, md); 558 mmc_set_drvdata(card, md);
555 add_disk(md->disk); 559 add_disk(md->disk);
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 90abfd06ed55..24255e42dc30 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -88,11 +88,13 @@ static int __init zfcp_device_setup(char *devstr)
88 strncpy(zfcp_data.init_busid, token, BUS_ID_SIZE); 88 strncpy(zfcp_data.init_busid, token, BUS_ID_SIZE);
89 89
90 token = strsep(&str, ","); 90 token = strsep(&str, ",");
91 if (!token || strict_strtoull(token, 0, &zfcp_data.init_wwpn)) 91 if (!token || strict_strtoull(token, 0,
92 (unsigned long long *) &zfcp_data.init_wwpn))
92 goto err_out; 93 goto err_out;
93 94
94 token = strsep(&str, ","); 95 token = strsep(&str, ",");
95 if (!token || strict_strtoull(token, 0, &zfcp_data.init_fcp_lun)) 96 if (!token || strict_strtoull(token, 0,
97 (unsigned long long *) &zfcp_data.init_fcp_lun))
96 goto err_out; 98 goto err_out;
97 99
98 kfree(str); 100 kfree(str);
@@ -100,24 +102,10 @@ static int __init zfcp_device_setup(char *devstr)
100 102
101 err_out: 103 err_out:
102 kfree(str); 104 kfree(str);
103 pr_err("zfcp: Parse error for device parameter string %s, " 105 pr_err("zfcp: %s is not a valid SCSI device\n", devstr);
104 "device not attached.\n", devstr);
105 return 0; 106 return 0;
106} 107}
107 108
108static struct zfcp_adapter *zfcp_get_adapter_by_busid(char *bus_id)
109{
110 struct zfcp_adapter *adapter;
111
112 list_for_each_entry(adapter, &zfcp_data.adapter_list_head, list)
113 if ((strncmp(bus_id, adapter->ccw_device->dev.bus_id,
114 BUS_ID_SIZE) == 0) &&
115 !(atomic_read(&adapter->status) &
116 ZFCP_STATUS_COMMON_REMOVE))
117 return adapter;
118 return NULL;
119}
120
121static void __init zfcp_init_device_configure(void) 109static void __init zfcp_init_device_configure(void)
122{ 110{
123 struct zfcp_adapter *adapter; 111 struct zfcp_adapter *adapter;
@@ -141,7 +129,12 @@ static void __init zfcp_init_device_configure(void)
141 goto out_unit; 129 goto out_unit;
142 up(&zfcp_data.config_sema); 130 up(&zfcp_data.config_sema);
143 ccw_device_set_online(adapter->ccw_device); 131 ccw_device_set_online(adapter->ccw_device);
132
144 zfcp_erp_wait(adapter); 133 zfcp_erp_wait(adapter);
134 wait_event(adapter->erp_done_wqh,
135 !(atomic_read(&unit->status) &
136 ZFCP_STATUS_UNIT_SCSI_WORK_PENDING));
137
145 down(&zfcp_data.config_sema); 138 down(&zfcp_data.config_sema);
146 zfcp_unit_put(unit); 139 zfcp_unit_put(unit);
147out_unit: 140out_unit:
@@ -180,9 +173,9 @@ static int __init zfcp_module_init(void)
180 if (!zfcp_data.gid_pn_cache) 173 if (!zfcp_data.gid_pn_cache)
181 goto out_gid_cache; 174 goto out_gid_cache;
182 175
183 INIT_LIST_HEAD(&zfcp_data.adapter_list_head); 176 zfcp_data.work_queue = create_singlethread_workqueue("zfcp_wq");
184 INIT_LIST_HEAD(&zfcp_data.adapter_remove_lh);
185 177
178 INIT_LIST_HEAD(&zfcp_data.adapter_list_head);
186 sema_init(&zfcp_data.config_sema, 1); 179 sema_init(&zfcp_data.config_sema, 1);
187 rwlock_init(&zfcp_data.config_lock); 180 rwlock_init(&zfcp_data.config_lock);
188 181
@@ -193,13 +186,14 @@ static int __init zfcp_module_init(void)
193 186
194 retval = misc_register(&zfcp_cfdc_misc); 187 retval = misc_register(&zfcp_cfdc_misc);
195 if (retval) { 188 if (retval) {
196 pr_err("zfcp: registration of misc device zfcp_cfdc failed\n"); 189 pr_err("zfcp: Registering the misc device zfcp_cfdc failed\n");
197 goto out_misc; 190 goto out_misc;
198 } 191 }
199 192
200 retval = zfcp_ccw_register(); 193 retval = zfcp_ccw_register();
201 if (retval) { 194 if (retval) {
202 pr_err("zfcp: Registration with common I/O layer failed.\n"); 195 pr_err("zfcp: The zfcp device driver could not register with "
196 "the common I/O layer\n");
203 goto out_ccw_register; 197 goto out_ccw_register;
204 } 198 }
205 199
@@ -231,8 +225,7 @@ module_init(zfcp_module_init);
231 * 225 *
232 * Returns: pointer to zfcp_unit or NULL 226 * Returns: pointer to zfcp_unit or NULL
233 */ 227 */
234struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *port, 228struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *port, u64 fcp_lun)
235 fcp_lun_t fcp_lun)
236{ 229{
237 struct zfcp_unit *unit; 230 struct zfcp_unit *unit;
238 231
@@ -251,7 +244,7 @@ struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *port,
251 * Returns: pointer to zfcp_port or NULL 244 * Returns: pointer to zfcp_port or NULL
252 */ 245 */
253struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *adapter, 246struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *adapter,
254 wwn_t wwpn) 247 u64 wwpn)
255{ 248{
256 struct zfcp_port *port; 249 struct zfcp_port *port;
257 250
@@ -276,7 +269,7 @@ static void zfcp_sysfs_unit_release(struct device *dev)
276 * 269 *
277 * Sets up some unit internal structures and creates sysfs entry. 270 * Sets up some unit internal structures and creates sysfs entry.
278 */ 271 */
279struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun) 272struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
280{ 273{
281 struct zfcp_unit *unit; 274 struct zfcp_unit *unit;
282 275
@@ -290,7 +283,8 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
290 unit->port = port; 283 unit->port = port;
291 unit->fcp_lun = fcp_lun; 284 unit->fcp_lun = fcp_lun;
292 285
293 snprintf(unit->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx", fcp_lun); 286 snprintf(unit->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx",
287 (unsigned long long) fcp_lun);
294 unit->sysfs_device.parent = &port->sysfs_device; 288 unit->sysfs_device.parent = &port->sysfs_device;
295 unit->sysfs_device.release = zfcp_sysfs_unit_release; 289 unit->sysfs_device.release = zfcp_sysfs_unit_release;
296 dev_set_drvdata(&unit->sysfs_device, unit); 290 dev_set_drvdata(&unit->sysfs_device, unit);
@@ -323,7 +317,6 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
323 } 317 }
324 318
325 zfcp_unit_get(unit); 319 zfcp_unit_get(unit);
326 unit->scsi_lun = scsilun_to_int((struct scsi_lun *)&unit->fcp_lun);
327 320
328 write_lock_irq(&zfcp_data.config_lock); 321 write_lock_irq(&zfcp_data.config_lock);
329 list_add_tail(&unit->list, &port->unit_list_head); 322 list_add_tail(&unit->list, &port->unit_list_head);
@@ -332,7 +325,6 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, fcp_lun_t fcp_lun)
332 325
333 write_unlock_irq(&zfcp_data.config_lock); 326 write_unlock_irq(&zfcp_data.config_lock);
334 327
335 port->units++;
336 zfcp_port_get(port); 328 zfcp_port_get(port);
337 329
338 return unit; 330 return unit;
@@ -351,11 +343,10 @@ err_out_free:
351 */ 343 */
352void zfcp_unit_dequeue(struct zfcp_unit *unit) 344void zfcp_unit_dequeue(struct zfcp_unit *unit)
353{ 345{
354 zfcp_unit_wait(unit); 346 wait_event(unit->remove_wq, atomic_read(&unit->refcount) == 0);
355 write_lock_irq(&zfcp_data.config_lock); 347 write_lock_irq(&zfcp_data.config_lock);
356 list_del(&unit->list); 348 list_del(&unit->list);
357 write_unlock_irq(&zfcp_data.config_lock); 349 write_unlock_irq(&zfcp_data.config_lock);
358 unit->port->units--;
359 zfcp_port_put(unit->port); 350 zfcp_port_put(unit->port);
360 sysfs_remove_group(&unit->sysfs_device.kobj, &zfcp_sysfs_unit_attrs); 351 sysfs_remove_group(&unit->sysfs_device.kobj, &zfcp_sysfs_unit_attrs);
361 device_unregister(&unit->sysfs_device); 352 device_unregister(&unit->sysfs_device);
@@ -416,11 +407,6 @@ static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)
416 mempool_destroy(adapter->pool.data_gid_pn); 407 mempool_destroy(adapter->pool.data_gid_pn);
417} 408}
418 409
419static void zfcp_dummy_release(struct device *dev)
420{
421 return;
422}
423
424/** 410/**
425 * zfcp_status_read_refill - refill the long running status_read_requests 411 * zfcp_status_read_refill - refill the long running status_read_requests
426 * @adapter: ptr to struct zfcp_adapter for which the buffers should be refilled 412 * @adapter: ptr to struct zfcp_adapter for which the buffers should be refilled
@@ -450,19 +436,6 @@ static void _zfcp_status_read_scheduler(struct work_struct *work)
450 stat_work)); 436 stat_work));
451} 437}
452 438
453static int zfcp_nameserver_enqueue(struct zfcp_adapter *adapter)
454{
455 struct zfcp_port *port;
456
457 port = zfcp_port_enqueue(adapter, 0, ZFCP_STATUS_PORT_WKA,
458 ZFCP_DID_DIRECTORY_SERVICE);
459 if (IS_ERR(port))
460 return PTR_ERR(port);
461 zfcp_port_put(port);
462
463 return 0;
464}
465
466/** 439/**
467 * zfcp_adapter_enqueue - enqueue a new adapter to the list 440 * zfcp_adapter_enqueue - enqueue a new adapter to the list
468 * @ccw_device: pointer to the struct cc_device 441 * @ccw_device: pointer to the struct cc_device
@@ -508,7 +481,6 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
508 init_waitqueue_head(&adapter->erp_done_wqh); 481 init_waitqueue_head(&adapter->erp_done_wqh);
509 482
510 INIT_LIST_HEAD(&adapter->port_list_head); 483 INIT_LIST_HEAD(&adapter->port_list_head);
511 INIT_LIST_HEAD(&adapter->port_remove_lh);
512 INIT_LIST_HEAD(&adapter->erp_ready_head); 484 INIT_LIST_HEAD(&adapter->erp_ready_head);
513 INIT_LIST_HEAD(&adapter->erp_running_head); 485 INIT_LIST_HEAD(&adapter->erp_running_head);
514 486
@@ -518,7 +490,7 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
518 spin_lock_init(&adapter->san_dbf_lock); 490 spin_lock_init(&adapter->san_dbf_lock);
519 spin_lock_init(&adapter->scsi_dbf_lock); 491 spin_lock_init(&adapter->scsi_dbf_lock);
520 spin_lock_init(&adapter->rec_dbf_lock); 492 spin_lock_init(&adapter->rec_dbf_lock);
521 spin_lock_init(&adapter->req_q.lock); 493 spin_lock_init(&adapter->req_q_lock);
522 494
523 rwlock_init(&adapter->erp_lock); 495 rwlock_init(&adapter->erp_lock);
524 rwlock_init(&adapter->abort_lock); 496 rwlock_init(&adapter->abort_lock);
@@ -537,28 +509,15 @@ int zfcp_adapter_enqueue(struct ccw_device *ccw_device)
537 &zfcp_sysfs_adapter_attrs)) 509 &zfcp_sysfs_adapter_attrs))
538 goto sysfs_failed; 510 goto sysfs_failed;
539 511
540 adapter->generic_services.parent = &adapter->ccw_device->dev;
541 adapter->generic_services.release = zfcp_dummy_release;
542 snprintf(adapter->generic_services.bus_id, BUS_ID_SIZE,
543 "generic_services");
544
545 if (device_register(&adapter->generic_services))
546 goto generic_services_failed;
547
548 write_lock_irq(&zfcp_data.config_lock); 512 write_lock_irq(&zfcp_data.config_lock);
549 atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status); 513 atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
550 list_add_tail(&adapter->list, &zfcp_data.adapter_list_head); 514 list_add_tail(&adapter->list, &zfcp_data.adapter_list_head);
551 write_unlock_irq(&zfcp_data.config_lock); 515 write_unlock_irq(&zfcp_data.config_lock);
552 516
553 zfcp_data.adapters++; 517 zfcp_fc_nameserver_init(adapter);
554
555 zfcp_nameserver_enqueue(adapter);
556 518
557 return 0; 519 return 0;
558 520
559generic_services_failed:
560 sysfs_remove_group(&ccw_device->dev.kobj,
561 &zfcp_sysfs_adapter_attrs);
562sysfs_failed: 521sysfs_failed:
563 zfcp_adapter_debug_unregister(adapter); 522 zfcp_adapter_debug_unregister(adapter);
564debug_register_failed: 523debug_register_failed:
@@ -585,7 +544,6 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
585 cancel_work_sync(&adapter->scan_work); 544 cancel_work_sync(&adapter->scan_work);
586 cancel_work_sync(&adapter->stat_work); 545 cancel_work_sync(&adapter->stat_work);
587 zfcp_adapter_scsi_unregister(adapter); 546 zfcp_adapter_scsi_unregister(adapter);
588 device_unregister(&adapter->generic_services);
589 sysfs_remove_group(&adapter->ccw_device->dev.kobj, 547 sysfs_remove_group(&adapter->ccw_device->dev.kobj,
590 &zfcp_sysfs_adapter_attrs); 548 &zfcp_sysfs_adapter_attrs);
591 dev_set_drvdata(&adapter->ccw_device->dev, NULL); 549 dev_set_drvdata(&adapter->ccw_device->dev, NULL);
@@ -603,9 +561,6 @@ void zfcp_adapter_dequeue(struct zfcp_adapter *adapter)
603 list_del(&adapter->list); 561 list_del(&adapter->list);
604 write_unlock_irq(&zfcp_data.config_lock); 562 write_unlock_irq(&zfcp_data.config_lock);
605 563
606 /* decrease number of adapters in list */
607 zfcp_data.adapters--;
608
609 zfcp_qdio_free(adapter); 564 zfcp_qdio_free(adapter);
610 565
611 zfcp_free_low_mem_buffers(adapter); 566 zfcp_free_low_mem_buffers(adapter);
@@ -633,21 +588,19 @@ static void zfcp_sysfs_port_release(struct device *dev)
633 * d_id is used to enqueue ports with a well known address like the Directory 588 * d_id is used to enqueue ports with a well known address like the Directory
634 * Service for nameserver lookup. 589 * Service for nameserver lookup.
635 */ 590 */
636struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn, 591struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn,
637 u32 status, u32 d_id) 592 u32 status, u32 d_id)
638{ 593{
639 struct zfcp_port *port; 594 struct zfcp_port *port;
640 int retval; 595 int retval;
641 char *bus_id;
642 596
643 port = kzalloc(sizeof(struct zfcp_port), GFP_KERNEL); 597 port = kzalloc(sizeof(struct zfcp_port), GFP_KERNEL);
644 if (!port) 598 if (!port)
645 return ERR_PTR(-ENOMEM); 599 return ERR_PTR(-ENOMEM);
646 600
647 init_waitqueue_head(&port->remove_wq); 601 init_waitqueue_head(&port->remove_wq);
648
649 INIT_LIST_HEAD(&port->unit_list_head); 602 INIT_LIST_HEAD(&port->unit_list_head);
650 INIT_LIST_HEAD(&port->unit_remove_lh); 603 INIT_WORK(&port->gid_pn_work, zfcp_erp_port_strategy_open_lookup);
651 604
652 port->adapter = adapter; 605 port->adapter = adapter;
653 port->d_id = d_id; 606 port->d_id = d_id;
@@ -657,34 +610,9 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn,
657 atomic_set_mask(status | ZFCP_STATUS_COMMON_REMOVE, &port->status); 610 atomic_set_mask(status | ZFCP_STATUS_COMMON_REMOVE, &port->status);
658 atomic_set(&port->refcount, 0); 611 atomic_set(&port->refcount, 0);
659 612
660 if (status & ZFCP_STATUS_PORT_WKA) { 613 snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, "0x%016llx",
661 switch (d_id) { 614 (unsigned long long) wwpn);
662 case ZFCP_DID_DIRECTORY_SERVICE: 615 port->sysfs_device.parent = &adapter->ccw_device->dev;
663 bus_id = "directory";
664 break;
665 case ZFCP_DID_MANAGEMENT_SERVICE:
666 bus_id = "management";
667 break;
668 case ZFCP_DID_KEY_DISTRIBUTION_SERVICE:
669 bus_id = "key_distribution";
670 break;
671 case ZFCP_DID_ALIAS_SERVICE:
672 bus_id = "alias";
673 break;
674 case ZFCP_DID_TIME_SERVICE:
675 bus_id = "time";
676 break;
677 default:
678 kfree(port);
679 return ERR_PTR(-EINVAL);
680 }
681 snprintf(port->sysfs_device.bus_id, BUS_ID_SIZE, "%s", bus_id);
682 port->sysfs_device.parent = &adapter->generic_services;
683 } else {
684 snprintf(port->sysfs_device.bus_id,
685 BUS_ID_SIZE, "0x%016llx", wwpn);
686 port->sysfs_device.parent = &adapter->ccw_device->dev;
687 }
688 616
689 port->sysfs_device.release = zfcp_sysfs_port_release; 617 port->sysfs_device.release = zfcp_sysfs_port_release;
690 dev_set_drvdata(&port->sysfs_device, port); 618 dev_set_drvdata(&port->sysfs_device, port);
@@ -700,12 +628,8 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn,
700 if (device_register(&port->sysfs_device)) 628 if (device_register(&port->sysfs_device))
701 goto err_out_free; 629 goto err_out_free;
702 630
703 if (status & ZFCP_STATUS_PORT_WKA) 631 retval = sysfs_create_group(&port->sysfs_device.kobj,
704 retval = sysfs_create_group(&port->sysfs_device.kobj, 632 &zfcp_sysfs_port_attrs);
705 &zfcp_sysfs_ns_port_attrs);
706 else
707 retval = sysfs_create_group(&port->sysfs_device.kobj,
708 &zfcp_sysfs_port_attrs);
709 633
710 if (retval) { 634 if (retval) {
711 device_unregister(&port->sysfs_device); 635 device_unregister(&port->sysfs_device);
@@ -718,10 +642,6 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, wwn_t wwpn,
718 list_add_tail(&port->list, &adapter->port_list_head); 642 list_add_tail(&port->list, &adapter->port_list_head);
719 atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status); 643 atomic_clear_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status);
720 atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &port->status); 644 atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING, &port->status);
721 if (d_id == ZFCP_DID_DIRECTORY_SERVICE)
722 if (!adapter->nameserver_port)
723 adapter->nameserver_port = port;
724 adapter->ports++;
725 645
726 write_unlock_irq(&zfcp_data.config_lock); 646 write_unlock_irq(&zfcp_data.config_lock);
727 647
@@ -740,21 +660,15 @@ err_out:
740 */ 660 */
741void zfcp_port_dequeue(struct zfcp_port *port) 661void zfcp_port_dequeue(struct zfcp_port *port)
742{ 662{
743 zfcp_port_wait(port); 663 wait_event(port->remove_wq, atomic_read(&port->refcount) == 0);
744 write_lock_irq(&zfcp_data.config_lock); 664 write_lock_irq(&zfcp_data.config_lock);
745 list_del(&port->list); 665 list_del(&port->list);
746 port->adapter->ports--;
747 write_unlock_irq(&zfcp_data.config_lock); 666 write_unlock_irq(&zfcp_data.config_lock);
748 if (port->rport) 667 if (port->rport)
749 fc_remote_port_delete(port->rport); 668 fc_remote_port_delete(port->rport);
750 port->rport = NULL; 669 port->rport = NULL;
751 zfcp_adapter_put(port->adapter); 670 zfcp_adapter_put(port->adapter);
752 if (atomic_read(&port->status) & ZFCP_STATUS_PORT_WKA) 671 sysfs_remove_group(&port->sysfs_device.kobj, &zfcp_sysfs_port_attrs);
753 sysfs_remove_group(&port->sysfs_device.kobj,
754 &zfcp_sysfs_ns_port_attrs);
755 else
756 sysfs_remove_group(&port->sysfs_device.kobj,
757 &zfcp_sysfs_port_attrs);
758 device_unregister(&port->sysfs_device); 672 device_unregister(&port->sysfs_device);
759} 673}
760 674
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 51b6a05f4d12..b04038c74786 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -25,7 +25,8 @@ static int zfcp_ccw_probe(struct ccw_device *ccw_device)
25 down(&zfcp_data.config_sema); 25 down(&zfcp_data.config_sema);
26 if (zfcp_adapter_enqueue(ccw_device)) { 26 if (zfcp_adapter_enqueue(ccw_device)) {
27 dev_err(&ccw_device->dev, 27 dev_err(&ccw_device->dev,
28 "Setup of data structures failed.\n"); 28 "Setting up data structures for the "
29 "FCP adapter failed\n");
29 retval = -EINVAL; 30 retval = -EINVAL;
30 } 31 }
31 up(&zfcp_data.config_sema); 32 up(&zfcp_data.config_sema);
@@ -46,6 +47,8 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
46 struct zfcp_adapter *adapter; 47 struct zfcp_adapter *adapter;
47 struct zfcp_port *port, *p; 48 struct zfcp_port *port, *p;
48 struct zfcp_unit *unit, *u; 49 struct zfcp_unit *unit, *u;
50 LIST_HEAD(unit_remove_lh);
51 LIST_HEAD(port_remove_lh);
49 52
50 ccw_device_set_offline(ccw_device); 53 ccw_device_set_offline(ccw_device);
51 down(&zfcp_data.config_sema); 54 down(&zfcp_data.config_sema);
@@ -54,26 +57,26 @@ static void zfcp_ccw_remove(struct ccw_device *ccw_device)
54 write_lock_irq(&zfcp_data.config_lock); 57 write_lock_irq(&zfcp_data.config_lock);
55 list_for_each_entry_safe(port, p, &adapter->port_list_head, list) { 58 list_for_each_entry_safe(port, p, &adapter->port_list_head, list) {
56 list_for_each_entry_safe(unit, u, &port->unit_list_head, list) { 59 list_for_each_entry_safe(unit, u, &port->unit_list_head, list) {
57 list_move(&unit->list, &port->unit_remove_lh); 60 list_move(&unit->list, &unit_remove_lh);
58 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, 61 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE,
59 &unit->status); 62 &unit->status);
60 } 63 }
61 list_move(&port->list, &adapter->port_remove_lh); 64 list_move(&port->list, &port_remove_lh);
62 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status); 65 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status);
63 } 66 }
64 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status); 67 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status);
65 write_unlock_irq(&zfcp_data.config_lock); 68 write_unlock_irq(&zfcp_data.config_lock);
66 69
67 list_for_each_entry_safe(port, p, &adapter->port_remove_lh, list) { 70 list_for_each_entry_safe(port, p, &port_remove_lh, list) {
68 list_for_each_entry_safe(unit, u, &port->unit_remove_lh, list) { 71 list_for_each_entry_safe(unit, u, &unit_remove_lh, list) {
69 if (atomic_test_mask(ZFCP_STATUS_UNIT_REGISTERED, 72 if (atomic_read(&unit->status) &
70 &unit->status)) 73 ZFCP_STATUS_UNIT_REGISTERED)
71 scsi_remove_device(unit->device); 74 scsi_remove_device(unit->device);
72 zfcp_unit_dequeue(unit); 75 zfcp_unit_dequeue(unit);
73 } 76 }
74 zfcp_port_dequeue(port); 77 zfcp_port_dequeue(port);
75 } 78 }
76 zfcp_adapter_wait(adapter); 79 wait_event(adapter->remove_wq, atomic_read(&adapter->refcount) == 0);
77 zfcp_adapter_dequeue(adapter); 80 zfcp_adapter_dequeue(adapter);
78 81
79 up(&zfcp_data.config_sema); 82 up(&zfcp_data.config_sema);
@@ -156,15 +159,18 @@ static int zfcp_ccw_notify(struct ccw_device *ccw_device, int event)
156 159
157 switch (event) { 160 switch (event) {
158 case CIO_GONE: 161 case CIO_GONE:
159 dev_warn(&adapter->ccw_device->dev, "device gone\n"); 162 dev_warn(&adapter->ccw_device->dev,
163 "The FCP device has been detached\n");
160 zfcp_erp_adapter_shutdown(adapter, 0, 87, NULL); 164 zfcp_erp_adapter_shutdown(adapter, 0, 87, NULL);
161 break; 165 break;
162 case CIO_NO_PATH: 166 case CIO_NO_PATH:
163 dev_warn(&adapter->ccw_device->dev, "no path\n"); 167 dev_warn(&adapter->ccw_device->dev,
168 "The CHPID for the FCP device is offline\n");
164 zfcp_erp_adapter_shutdown(adapter, 0, 88, NULL); 169 zfcp_erp_adapter_shutdown(adapter, 0, 88, NULL);
165 break; 170 break;
166 case CIO_OPER: 171 case CIO_OPER:
167 dev_info(&adapter->ccw_device->dev, "operational again\n"); 172 dev_info(&adapter->ccw_device->dev,
173 "The FCP device is operational again\n");
168 zfcp_erp_modify_adapter_status(adapter, 11, NULL, 174 zfcp_erp_modify_adapter_status(adapter, 11, NULL,
169 ZFCP_STATUS_COMMON_RUNNING, 175 ZFCP_STATUS_COMMON_RUNNING,
170 ZFCP_SET); 176 ZFCP_SET);
@@ -220,3 +226,20 @@ int __init zfcp_ccw_register(void)
220{ 226{
221 return ccw_driver_register(&zfcp_ccw_driver); 227 return ccw_driver_register(&zfcp_ccw_driver);
222} 228}
229
230/**
231 * zfcp_get_adapter_by_busid - find zfcp_adapter struct
232 * @busid: bus id string of zfcp adapter to find
233 */
234struct zfcp_adapter *zfcp_get_adapter_by_busid(char *busid)
235{
236 struct ccw_device *ccw_device;
237 struct zfcp_adapter *adapter = NULL;
238
239 ccw_device = get_ccwdev_by_busid(&zfcp_ccw_driver, busid);
240 if (ccw_device) {
241 adapter = dev_get_drvdata(&ccw_device->dev);
242 put_device(&ccw_device->dev);
243 }
244 return adapter;
245}
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index fca48b88fc53..060f5f2352ec 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -318,6 +318,26 @@ void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *adapter,
318 spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags); 318 spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
319} 319}
320 320
321/**
322 * zfcp_hba_dbf_event_berr - trace event for bit error threshold
323 * @adapter: adapter affected by this QDIO related event
324 * @req: fsf request
325 */
326void zfcp_hba_dbf_event_berr(struct zfcp_adapter *adapter,
327 struct zfcp_fsf_req *req)
328{
329 struct zfcp_hba_dbf_record *r = &adapter->hba_dbf_buf;
330 struct fsf_status_read_buffer *sr_buf = req->data;
331 struct fsf_bit_error_payload *err = &sr_buf->payload.bit_error;
332 unsigned long flags;
333
334 spin_lock_irqsave(&adapter->hba_dbf_lock, flags);
335 memset(r, 0, sizeof(*r));
336 strncpy(r->tag, "berr", ZFCP_DBF_TAG_SIZE);
337 memcpy(&r->u.berr, err, sizeof(struct fsf_bit_error_payload));
338 debug_event(adapter->hba_dbf, 0, r, sizeof(*r));
339 spin_unlock_irqrestore(&adapter->hba_dbf_lock, flags);
340}
321static void zfcp_hba_dbf_view_response(char **p, 341static void zfcp_hba_dbf_view_response(char **p,
322 struct zfcp_hba_dbf_record_response *r) 342 struct zfcp_hba_dbf_record_response *r)
323{ 343{
@@ -399,6 +419,30 @@ static void zfcp_hba_dbf_view_qdio(char **p, struct zfcp_hba_dbf_record_qdio *r)
399 zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count); 419 zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count);
400} 420}
401 421
422static void zfcp_hba_dbf_view_berr(char **p, struct fsf_bit_error_payload *r)
423{
424 zfcp_dbf_out(p, "link_failures", "%d", r->link_failure_error_count);
425 zfcp_dbf_out(p, "loss_of_sync_err", "%d", r->loss_of_sync_error_count);
426 zfcp_dbf_out(p, "loss_of_sig_err", "%d", r->loss_of_signal_error_count);
427 zfcp_dbf_out(p, "prim_seq_err", "%d",
428 r->primitive_sequence_error_count);
429 zfcp_dbf_out(p, "inval_trans_word_err", "%d",
430 r->invalid_transmission_word_error_count);
431 zfcp_dbf_out(p, "CRC_errors", "%d", r->crc_error_count);
432 zfcp_dbf_out(p, "prim_seq_event_to", "%d",
433 r->primitive_sequence_event_timeout_count);
434 zfcp_dbf_out(p, "elast_buf_overrun_err", "%d",
435 r->elastic_buffer_overrun_error_count);
436 zfcp_dbf_out(p, "adv_rec_buf2buf_cred", "%d",
437 r->advertised_receive_b2b_credit);
438 zfcp_dbf_out(p, "curr_rec_buf2buf_cred", "%d",
439 r->current_receive_b2b_credit);
440 zfcp_dbf_out(p, "adv_trans_buf2buf_cred", "%d",
441 r->advertised_transmit_b2b_credit);
442 zfcp_dbf_out(p, "curr_trans_buf2buf_cred", "%d",
443 r->current_transmit_b2b_credit);
444}
445
402static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view, 446static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view,
403 char *out_buf, const char *in_buf) 447 char *out_buf, const char *in_buf)
404{ 448{
@@ -418,6 +462,8 @@ static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view,
418 zfcp_hba_dbf_view_status(&p, &r->u.status); 462 zfcp_hba_dbf_view_status(&p, &r->u.status);
419 else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0) 463 else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
420 zfcp_hba_dbf_view_qdio(&p, &r->u.qdio); 464 zfcp_hba_dbf_view_qdio(&p, &r->u.qdio);
465 else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0)
466 zfcp_hba_dbf_view_berr(&p, &r->u.berr);
421 467
422 p += sprintf(p, "\n"); 468 p += sprintf(p, "\n");
423 return p - out_buf; 469 return p - out_buf;
@@ -519,14 +565,14 @@ static const char *zfcp_rec_dbf_ids[] = {
519 [75] = "physical port recovery escalation after failed port " 565 [75] = "physical port recovery escalation after failed port "
520 "recovery", 566 "recovery",
521 [76] = "port recovery escalation after failed unit recovery", 567 [76] = "port recovery escalation after failed unit recovery",
522 [77] = "recovery opening nameserver port", 568 [77] = "",
523 [78] = "duplicate request id", 569 [78] = "duplicate request id",
524 [79] = "link down", 570 [79] = "link down",
525 [80] = "exclusive read-only unit access unsupported", 571 [80] = "exclusive read-only unit access unsupported",
526 [81] = "shared read-write unit access unsupported", 572 [81] = "shared read-write unit access unsupported",
527 [82] = "incoming rscn", 573 [82] = "incoming rscn",
528 [83] = "incoming wwpn", 574 [83] = "incoming wwpn",
529 [84] = "", 575 [84] = "wka port handle not valid close port",
530 [85] = "online", 576 [85] = "online",
531 [86] = "offline", 577 [86] = "offline",
532 [87] = "ccw device gone", 578 [87] = "ccw device gone",
@@ -570,7 +616,7 @@ static const char *zfcp_rec_dbf_ids[] = {
570 [125] = "need newer zfcp", 616 [125] = "need newer zfcp",
571 [126] = "need newer microcode", 617 [126] = "need newer microcode",
572 [127] = "arbitrated loop not supported", 618 [127] = "arbitrated loop not supported",
573 [128] = "unknown topology", 619 [128] = "",
574 [129] = "qtcb size mismatch", 620 [129] = "qtcb size mismatch",
575 [130] = "unknown fsf status ecd", 621 [130] = "unknown fsf status ecd",
576 [131] = "fcp request too big", 622 [131] = "fcp request too big",
@@ -829,9 +875,9 @@ void zfcp_rec_dbf_event_action(u8 id2, struct zfcp_erp_action *erp_action)
829void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req) 875void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
830{ 876{
831 struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; 877 struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
832 struct zfcp_port *port = ct->port; 878 struct zfcp_wka_port *wka_port = ct->wka_port;
833 struct zfcp_adapter *adapter = port->adapter; 879 struct zfcp_adapter *adapter = wka_port->adapter;
834 struct ct_hdr *hdr = zfcp_sg_to_address(ct->req); 880 struct ct_hdr *hdr = sg_virt(ct->req);
835 struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf; 881 struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
836 struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req; 882 struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req;
837 unsigned long flags; 883 unsigned long flags;
@@ -842,7 +888,7 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
842 r->fsf_reqid = (unsigned long)fsf_req; 888 r->fsf_reqid = (unsigned long)fsf_req;
843 r->fsf_seqno = fsf_req->seq_no; 889 r->fsf_seqno = fsf_req->seq_no;
844 r->s_id = fc_host_port_id(adapter->scsi_host); 890 r->s_id = fc_host_port_id(adapter->scsi_host);
845 r->d_id = port->d_id; 891 r->d_id = wka_port->d_id;
846 oct->cmd_req_code = hdr->cmd_rsp_code; 892 oct->cmd_req_code = hdr->cmd_rsp_code;
847 oct->revision = hdr->revision; 893 oct->revision = hdr->revision;
848 oct->gs_type = hdr->gs_type; 894 oct->gs_type = hdr->gs_type;
@@ -863,9 +909,9 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
863void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req) 909void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
864{ 910{
865 struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data; 911 struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
866 struct zfcp_port *port = ct->port; 912 struct zfcp_wka_port *wka_port = ct->wka_port;
867 struct zfcp_adapter *adapter = port->adapter; 913 struct zfcp_adapter *adapter = wka_port->adapter;
868 struct ct_hdr *hdr = zfcp_sg_to_address(ct->resp); 914 struct ct_hdr *hdr = sg_virt(ct->resp);
869 struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf; 915 struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
870 struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp; 916 struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp;
871 unsigned long flags; 917 unsigned long flags;
@@ -875,7 +921,7 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
875 strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE); 921 strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE);
876 r->fsf_reqid = (unsigned long)fsf_req; 922 r->fsf_reqid = (unsigned long)fsf_req;
877 r->fsf_seqno = fsf_req->seq_no; 923 r->fsf_seqno = fsf_req->seq_no;
878 r->s_id = port->d_id; 924 r->s_id = wka_port->d_id;
879 r->d_id = fc_host_port_id(adapter->scsi_host); 925 r->d_id = fc_host_port_id(adapter->scsi_host);
880 rct->cmd_rsp_code = hdr->cmd_rsp_code; 926 rct->cmd_rsp_code = hdr->cmd_rsp_code;
881 rct->revision = hdr->revision; 927 rct->revision = hdr->revision;
@@ -922,8 +968,8 @@ void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
922 968
923 zfcp_san_dbf_event_els("oels", 2, fsf_req, 969 zfcp_san_dbf_event_els("oels", 2, fsf_req,
924 fc_host_port_id(els->adapter->scsi_host), 970 fc_host_port_id(els->adapter->scsi_host),
925 els->d_id, *(u8 *) zfcp_sg_to_address(els->req), 971 els->d_id, *(u8 *) sg_virt(els->req),
926 zfcp_sg_to_address(els->req), els->req->length); 972 sg_virt(els->req), els->req->length);
927} 973}
928 974
929/** 975/**
@@ -936,8 +982,7 @@ void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
936 982
937 zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id, 983 zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id,
938 fc_host_port_id(els->adapter->scsi_host), 984 fc_host_port_id(els->adapter->scsi_host),
939 *(u8 *)zfcp_sg_to_address(els->req), 985 *(u8 *)sg_virt(els->req), sg_virt(els->resp),
940 zfcp_sg_to_address(els->resp),
941 els->resp->length); 986 els->resp->length);
942} 987}
943 988
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index 0ddb18449d11..e8f450801fea 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -151,6 +151,7 @@ struct zfcp_hba_dbf_record {
151 struct zfcp_hba_dbf_record_response response; 151 struct zfcp_hba_dbf_record_response response;
152 struct zfcp_hba_dbf_record_status status; 152 struct zfcp_hba_dbf_record_status status;
153 struct zfcp_hba_dbf_record_qdio qdio; 153 struct zfcp_hba_dbf_record_qdio qdio;
154 struct fsf_bit_error_payload berr;
154 } u; 155 } u;
155} __attribute__ ((packed)); 156} __attribute__ ((packed));
156 157
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 67f45fc62f53..73eb41580f25 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -39,29 +39,6 @@
39 39
40/********************* GENERAL DEFINES *********************************/ 40/********************* GENERAL DEFINES *********************************/
41 41
42/**
43 * zfcp_sg_to_address - determine kernel address from struct scatterlist
44 * @list: struct scatterlist
45 * Return: kernel address
46 */
47static inline void *
48zfcp_sg_to_address(struct scatterlist *list)
49{
50 return sg_virt(list);
51}
52
53/**
54 * zfcp_address_to_sg - set up struct scatterlist from kernel address
55 * @address: kernel address
56 * @list: struct scatterlist
57 * @size: buffer size
58 */
59static inline void
60zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
61{
62 sg_set_buf(list, address, size);
63}
64
65#define REQUEST_LIST_SIZE 128 42#define REQUEST_LIST_SIZE 128
66 43
67/********************* SCSI SPECIFIC DEFINES *********************************/ 44/********************* SCSI SPECIFIC DEFINES *********************************/
@@ -101,11 +78,6 @@ zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
101 78
102/*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/ 79/*************** FIBRE CHANNEL PROTOCOL SPECIFIC DEFINES ********************/
103 80
104typedef unsigned long long wwn_t;
105typedef unsigned long long fcp_lun_t;
106/* data length field may be at variable position in FCP-2 FCP_CMND IU */
107typedef unsigned int fcp_dl_t;
108
109/* timeout for name-server lookup (in seconds) */ 81/* timeout for name-server lookup (in seconds) */
110#define ZFCP_NS_GID_PN_TIMEOUT 10 82#define ZFCP_NS_GID_PN_TIMEOUT 10
111 83
@@ -129,7 +101,7 @@ typedef unsigned int fcp_dl_t;
129 101
130/* FCP(-2) FCP_CMND IU */ 102/* FCP(-2) FCP_CMND IU */
131struct fcp_cmnd_iu { 103struct fcp_cmnd_iu {
132 fcp_lun_t fcp_lun; /* FCP logical unit number */ 104 u64 fcp_lun; /* FCP logical unit number */
133 u8 crn; /* command reference number */ 105 u8 crn; /* command reference number */
134 u8 reserved0:5; /* reserved */ 106 u8 reserved0:5; /* reserved */
135 u8 task_attribute:3; /* task attribute */ 107 u8 task_attribute:3; /* task attribute */
@@ -204,7 +176,7 @@ struct fcp_rscn_element {
204struct fcp_logo { 176struct fcp_logo {
205 u32 command; 177 u32 command;
206 u32 nport_did; 178 u32 nport_did;
207 wwn_t nport_wwpn; 179 u64 nport_wwpn;
208} __attribute__((packed)); 180} __attribute__((packed));
209 181
210/* 182/*
@@ -218,13 +190,6 @@ struct fcp_logo {
218#define ZFCP_LS_RSCN 0x61 190#define ZFCP_LS_RSCN 0x61
219#define ZFCP_LS_RNID 0x78 191#define ZFCP_LS_RNID 0x78
220 192
221struct zfcp_ls_rjt_par {
222 u8 action;
223 u8 reason_code;
224 u8 reason_expl;
225 u8 vendor_unique;
226} __attribute__ ((packed));
227
228struct zfcp_ls_adisc { 193struct zfcp_ls_adisc {
229 u8 code; 194 u8 code;
230 u8 field[3]; 195 u8 field[3];
@@ -234,20 +199,6 @@ struct zfcp_ls_adisc {
234 u32 nport_id; 199 u32 nport_id;
235} __attribute__ ((packed)); 200} __attribute__ ((packed));
236 201
237struct zfcp_ls_adisc_acc {
238 u8 code;
239 u8 field[3];
240 u32 hard_nport_id;
241 u64 wwpn;
242 u64 wwnn;
243 u32 nport_id;
244} __attribute__ ((packed));
245
246struct zfcp_rc_entry {
247 u8 code;
248 const char *description;
249};
250
251/* 202/*
252 * FC-GS-2 stuff 203 * FC-GS-2 stuff
253 */ 204 */
@@ -281,9 +232,7 @@ struct zfcp_rc_entry {
281#define ZFCP_STATUS_COMMON_RUNNING 0x40000000 232#define ZFCP_STATUS_COMMON_RUNNING 0x40000000
282#define ZFCP_STATUS_COMMON_ERP_FAILED 0x20000000 233#define ZFCP_STATUS_COMMON_ERP_FAILED 0x20000000
283#define ZFCP_STATUS_COMMON_UNBLOCKED 0x10000000 234#define ZFCP_STATUS_COMMON_UNBLOCKED 0x10000000
284#define ZFCP_STATUS_COMMON_OPENING 0x08000000
285#define ZFCP_STATUS_COMMON_OPEN 0x04000000 235#define ZFCP_STATUS_COMMON_OPEN 0x04000000
286#define ZFCP_STATUS_COMMON_CLOSING 0x02000000
287#define ZFCP_STATUS_COMMON_ERP_INUSE 0x01000000 236#define ZFCP_STATUS_COMMON_ERP_INUSE 0x01000000
288#define ZFCP_STATUS_COMMON_ACCESS_DENIED 0x00800000 237#define ZFCP_STATUS_COMMON_ACCESS_DENIED 0x00800000
289#define ZFCP_STATUS_COMMON_ACCESS_BOXED 0x00400000 238#define ZFCP_STATUS_COMMON_ACCESS_BOXED 0x00400000
@@ -291,16 +240,15 @@ struct zfcp_rc_entry {
291 240
292/* adapter status */ 241/* adapter status */
293#define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002 242#define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002
294#define ZFCP_STATUS_ADAPTER_REGISTERED 0x00000004
295#define ZFCP_STATUS_ADAPTER_XCONFIG_OK 0x00000008 243#define ZFCP_STATUS_ADAPTER_XCONFIG_OK 0x00000008
296#define ZFCP_STATUS_ADAPTER_HOST_CON_INIT 0x00000010 244#define ZFCP_STATUS_ADAPTER_HOST_CON_INIT 0x00000010
297#define ZFCP_STATUS_ADAPTER_ERP_THREAD_UP 0x00000020 245#define ZFCP_STATUS_ADAPTER_ERP_THREAD_UP 0x00000020
298#define ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL 0x00000080 246#define ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL 0x00000080
299#define ZFCP_STATUS_ADAPTER_ERP_PENDING 0x00000100 247#define ZFCP_STATUS_ADAPTER_ERP_PENDING 0x00000100
300#define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200 248#define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200
301#define ZFCP_STATUS_ADAPTER_XPORT_OK 0x00000800
302 249
303/* FC-PH/FC-GS well-known address identifiers for generic services */ 250/* FC-PH/FC-GS well-known address identifiers for generic services */
251#define ZFCP_DID_WKA 0xFFFFF0
304#define ZFCP_DID_MANAGEMENT_SERVICE 0xFFFFFA 252#define ZFCP_DID_MANAGEMENT_SERVICE 0xFFFFFA
305#define ZFCP_DID_TIME_SERVICE 0xFFFFFB 253#define ZFCP_DID_TIME_SERVICE 0xFFFFFB
306#define ZFCP_DID_DIRECTORY_SERVICE 0xFFFFFC 254#define ZFCP_DID_DIRECTORY_SERVICE 0xFFFFFC
@@ -312,29 +260,27 @@ struct zfcp_rc_entry {
312#define ZFCP_STATUS_PORT_DID_DID 0x00000002 260#define ZFCP_STATUS_PORT_DID_DID 0x00000002
313#define ZFCP_STATUS_PORT_PHYS_CLOSING 0x00000004 261#define ZFCP_STATUS_PORT_PHYS_CLOSING 0x00000004
314#define ZFCP_STATUS_PORT_NO_WWPN 0x00000008 262#define ZFCP_STATUS_PORT_NO_WWPN 0x00000008
315#define ZFCP_STATUS_PORT_NO_SCSI_ID 0x00000010
316#define ZFCP_STATUS_PORT_INVALID_WWPN 0x00000020 263#define ZFCP_STATUS_PORT_INVALID_WWPN 0x00000020
317 264
318/* for ports with well known addresses */ 265/* well known address (WKA) port status*/
319#define ZFCP_STATUS_PORT_WKA \ 266enum zfcp_wka_status {
320 (ZFCP_STATUS_PORT_NO_WWPN | \ 267 ZFCP_WKA_PORT_OFFLINE,
321 ZFCP_STATUS_PORT_NO_SCSI_ID) 268 ZFCP_WKA_PORT_CLOSING,
269 ZFCP_WKA_PORT_OPENING,
270 ZFCP_WKA_PORT_ONLINE,
271};
322 272
323/* logical unit status */ 273/* logical unit status */
324#define ZFCP_STATUS_UNIT_TEMPORARY 0x00000002
325#define ZFCP_STATUS_UNIT_SHARED 0x00000004 274#define ZFCP_STATUS_UNIT_SHARED 0x00000004
326#define ZFCP_STATUS_UNIT_READONLY 0x00000008 275#define ZFCP_STATUS_UNIT_READONLY 0x00000008
327#define ZFCP_STATUS_UNIT_REGISTERED 0x00000010 276#define ZFCP_STATUS_UNIT_REGISTERED 0x00000010
328#define ZFCP_STATUS_UNIT_SCSI_WORK_PENDING 0x00000020 277#define ZFCP_STATUS_UNIT_SCSI_WORK_PENDING 0x00000020
329 278
330/* FSF request status (this does not have a common part) */ 279/* FSF request status (this does not have a common part) */
331#define ZFCP_STATUS_FSFREQ_NOT_INIT 0x00000000
332#define ZFCP_STATUS_FSFREQ_POOL 0x00000001
333#define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002 280#define ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT 0x00000002
334#define ZFCP_STATUS_FSFREQ_COMPLETED 0x00000004 281#define ZFCP_STATUS_FSFREQ_COMPLETED 0x00000004
335#define ZFCP_STATUS_FSFREQ_ERROR 0x00000008 282#define ZFCP_STATUS_FSFREQ_ERROR 0x00000008
336#define ZFCP_STATUS_FSFREQ_CLEANUP 0x00000010 283#define ZFCP_STATUS_FSFREQ_CLEANUP 0x00000010
337#define ZFCP_STATUS_FSFREQ_ABORTING 0x00000020
338#define ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED 0x00000040 284#define ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED 0x00000040
339#define ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED 0x00000080 285#define ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED 0x00000080
340#define ZFCP_STATUS_FSFREQ_ABORTED 0x00000100 286#define ZFCP_STATUS_FSFREQ_ABORTED 0x00000100
@@ -379,7 +325,7 @@ struct ct_hdr {
379 * a port name is required */ 325 * a port name is required */
380struct ct_iu_gid_pn_req { 326struct ct_iu_gid_pn_req {
381 struct ct_hdr header; 327 struct ct_hdr header;
382 wwn_t wwpn; 328 u64 wwpn;
383} __attribute__ ((packed)); 329} __attribute__ ((packed));
384 330
385/* FS_ACC IU and data unit for GID_PN nameserver request */ 331/* FS_ACC IU and data unit for GID_PN nameserver request */
@@ -388,11 +334,9 @@ struct ct_iu_gid_pn_resp {
388 u32 d_id; 334 u32 d_id;
389} __attribute__ ((packed)); 335} __attribute__ ((packed));
390 336
391typedef void (*zfcp_send_ct_handler_t)(unsigned long);
392
393/** 337/**
394 * struct zfcp_send_ct - used to pass parameters to function zfcp_fsf_send_ct 338 * struct zfcp_send_ct - used to pass parameters to function zfcp_fsf_send_ct
395 * @port: port where the request is sent to 339 * @wka_port: port where the request is sent to
396 * @req: scatter-gather list for request 340 * @req: scatter-gather list for request
397 * @resp: scatter-gather list for response 341 * @resp: scatter-gather list for response
398 * @req_count: number of elements in request scatter-gather list 342 * @req_count: number of elements in request scatter-gather list
@@ -404,12 +348,12 @@ typedef void (*zfcp_send_ct_handler_t)(unsigned long);
404 * @status: used to pass error status to calling function 348 * @status: used to pass error status to calling function
405 */ 349 */
406struct zfcp_send_ct { 350struct zfcp_send_ct {
407 struct zfcp_port *port; 351 struct zfcp_wka_port *wka_port;
408 struct scatterlist *req; 352 struct scatterlist *req;
409 struct scatterlist *resp; 353 struct scatterlist *resp;
410 unsigned int req_count; 354 unsigned int req_count;
411 unsigned int resp_count; 355 unsigned int resp_count;
412 zfcp_send_ct_handler_t handler; 356 void (*handler)(unsigned long);
413 unsigned long handler_data; 357 unsigned long handler_data;
414 int timeout; 358 int timeout;
415 struct completion *completion; 359 struct completion *completion;
@@ -426,8 +370,6 @@ struct zfcp_gid_pn_data {
426 struct zfcp_port *port; 370 struct zfcp_port *port;
427}; 371};
428 372
429typedef void (*zfcp_send_els_handler_t)(unsigned long);
430
431/** 373/**
432 * struct zfcp_send_els - used to pass parameters to function zfcp_fsf_send_els 374 * struct zfcp_send_els - used to pass parameters to function zfcp_fsf_send_els
433 * @adapter: adapter where request is sent from 375 * @adapter: adapter where request is sent from
@@ -451,22 +393,28 @@ struct zfcp_send_els {
451 struct scatterlist *resp; 393 struct scatterlist *resp;
452 unsigned int req_count; 394 unsigned int req_count;
453 unsigned int resp_count; 395 unsigned int resp_count;
454 zfcp_send_els_handler_t handler; 396 void (*handler)(unsigned long);
455 unsigned long handler_data; 397 unsigned long handler_data;
456 struct completion *completion; 398 struct completion *completion;
457 int ls_code; 399 int ls_code;
458 int status; 400 int status;
459}; 401};
460 402
403struct zfcp_wka_port {
404 struct zfcp_adapter *adapter;
405 wait_queue_head_t completion_wq;
406 enum zfcp_wka_status status;
407 atomic_t refcount;
408 u32 d_id;
409 u32 handle;
410 struct mutex mutex;
411 struct delayed_work work;
412};
413
461struct zfcp_qdio_queue { 414struct zfcp_qdio_queue {
462 struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */ 415 struct qdio_buffer *sbal[QDIO_MAX_BUFFERS_PER_Q];
463 u8 first; /* index of next free bfr 416 u8 first; /* index of next free bfr in queue */
464 in queue (free_count>0) */ 417 atomic_t count; /* number of free buffers in queue */
465 atomic_t count; /* number of free buffers
466 in queue */
467 spinlock_t lock; /* lock for operations on queue */
468 int pci_batch; /* SBALs since PCI indication
469 was last set */
470}; 418};
471 419
472struct zfcp_erp_action { 420struct zfcp_erp_action {
@@ -475,7 +423,7 @@ struct zfcp_erp_action {
475 struct zfcp_adapter *adapter; /* device which should be recovered */ 423 struct zfcp_adapter *adapter; /* device which should be recovered */
476 struct zfcp_port *port; 424 struct zfcp_port *port;
477 struct zfcp_unit *unit; 425 struct zfcp_unit *unit;
478 volatile u32 status; /* recovery status */ 426 u32 status; /* recovery status */
479 u32 step; /* active step of this erp action */ 427 u32 step; /* active step of this erp action */
480 struct zfcp_fsf_req *fsf_req; /* fsf request currently pending 428 struct zfcp_fsf_req *fsf_req; /* fsf request currently pending
481 for this action */ 429 for this action */
@@ -506,8 +454,8 @@ struct zfcp_adapter {
506 atomic_t refcount; /* reference count */ 454 atomic_t refcount; /* reference count */
507 wait_queue_head_t remove_wq; /* can be used to wait for 455 wait_queue_head_t remove_wq; /* can be used to wait for
508 refcount drop to zero */ 456 refcount drop to zero */
509 wwn_t peer_wwnn; /* P2P peer WWNN */ 457 u64 peer_wwnn; /* P2P peer WWNN */
510 wwn_t peer_wwpn; /* P2P peer WWPN */ 458 u64 peer_wwpn; /* P2P peer WWPN */
511 u32 peer_d_id; /* P2P peer D_ID */ 459 u32 peer_d_id; /* P2P peer D_ID */
512 struct ccw_device *ccw_device; /* S/390 ccw device */ 460 struct ccw_device *ccw_device; /* S/390 ccw device */
513 u32 hydra_version; /* Hydra version */ 461 u32 hydra_version; /* Hydra version */
@@ -518,13 +466,13 @@ struct zfcp_adapter {
518 u16 timer_ticks; /* time int for a tick */ 466 u16 timer_ticks; /* time int for a tick */
519 struct Scsi_Host *scsi_host; /* Pointer to mid-layer */ 467 struct Scsi_Host *scsi_host; /* Pointer to mid-layer */
520 struct list_head port_list_head; /* remote port list */ 468 struct list_head port_list_head; /* remote port list */
521 struct list_head port_remove_lh; /* head of ports to be
522 removed */
523 u32 ports; /* number of remote ports */
524 unsigned long req_no; /* unique FSF req number */ 469 unsigned long req_no; /* unique FSF req number */
525 struct list_head *req_list; /* list of pending reqs */ 470 struct list_head *req_list; /* list of pending reqs */
526 spinlock_t req_list_lock; /* request list lock */ 471 spinlock_t req_list_lock; /* request list lock */
527 struct zfcp_qdio_queue req_q; /* request queue */ 472 struct zfcp_qdio_queue req_q; /* request queue */
473 spinlock_t req_q_lock; /* for operations on queue */
474 int req_q_pci_batch; /* SBALs since PCI indication
475 was last set */
528 u32 fsf_req_seq_no; /* FSF cmnd seq number */ 476 u32 fsf_req_seq_no; /* FSF cmnd seq number */
529 wait_queue_head_t request_wq; /* can be used to wait for 477 wait_queue_head_t request_wq; /* can be used to wait for
530 more avaliable SBALs */ 478 more avaliable SBALs */
@@ -548,7 +496,7 @@ struct zfcp_adapter {
548 actions */ 496 actions */
549 u32 erp_low_mem_count; /* nr of erp actions waiting 497 u32 erp_low_mem_count; /* nr of erp actions waiting
550 for memory */ 498 for memory */
551 struct zfcp_port *nameserver_port; /* adapter's nameserver */ 499 struct zfcp_wka_port nsp; /* adapter's nameserver */
552 debug_info_t *rec_dbf; 500 debug_info_t *rec_dbf;
553 debug_info_t *hba_dbf; 501 debug_info_t *hba_dbf;
554 debug_info_t *san_dbf; /* debug feature areas */ 502 debug_info_t *san_dbf; /* debug feature areas */
@@ -563,11 +511,11 @@ struct zfcp_adapter {
563 struct zfcp_scsi_dbf_record scsi_dbf_buf; 511 struct zfcp_scsi_dbf_record scsi_dbf_buf;
564 struct zfcp_adapter_mempool pool; /* Adapter memory pools */ 512 struct zfcp_adapter_mempool pool; /* Adapter memory pools */
565 struct qdio_initialize qdio_init_data; /* for qdio_establish */ 513 struct qdio_initialize qdio_init_data; /* for qdio_establish */
566 struct device generic_services; /* directory for WKA ports */
567 struct fc_host_statistics *fc_stats; 514 struct fc_host_statistics *fc_stats;
568 struct fsf_qtcb_bottom_port *stats_reset_data; 515 struct fsf_qtcb_bottom_port *stats_reset_data;
569 unsigned long stats_reset; 516 unsigned long stats_reset;
570 struct work_struct scan_work; 517 struct work_struct scan_work;
518 atomic_t qdio_outb_full; /* queue full incidents */
571}; 519};
572 520
573struct zfcp_port { 521struct zfcp_port {
@@ -579,18 +527,16 @@ struct zfcp_port {
579 refcount drop to zero */ 527 refcount drop to zero */
580 struct zfcp_adapter *adapter; /* adapter used to access port */ 528 struct zfcp_adapter *adapter; /* adapter used to access port */
581 struct list_head unit_list_head; /* head of logical unit list */ 529 struct list_head unit_list_head; /* head of logical unit list */
582 struct list_head unit_remove_lh; /* head of luns to be removed
583 list */
584 u32 units; /* # of logical units in list */
585 atomic_t status; /* status of this remote port */ 530 atomic_t status; /* status of this remote port */
586 wwn_t wwnn; /* WWNN if known */ 531 u64 wwnn; /* WWNN if known */
587 wwn_t wwpn; /* WWPN */ 532 u64 wwpn; /* WWPN */
588 u32 d_id; /* D_ID */ 533 u32 d_id; /* D_ID */
589 u32 handle; /* handle assigned by FSF */ 534 u32 handle; /* handle assigned by FSF */
590 struct zfcp_erp_action erp_action; /* pending error recovery */ 535 struct zfcp_erp_action erp_action; /* pending error recovery */
591 atomic_t erp_counter; 536 atomic_t erp_counter;
592 u32 maxframe_size; 537 u32 maxframe_size;
593 u32 supported_classes; 538 u32 supported_classes;
539 struct work_struct gid_pn_work;
594}; 540};
595 541
596struct zfcp_unit { 542struct zfcp_unit {
@@ -601,8 +547,7 @@ struct zfcp_unit {
601 refcount drop to zero */ 547 refcount drop to zero */
602 struct zfcp_port *port; /* remote port of unit */ 548 struct zfcp_port *port; /* remote port of unit */
603 atomic_t status; /* status of this logical unit */ 549 atomic_t status; /* status of this logical unit */
604 unsigned int scsi_lun; /* own SCSI LUN */ 550 u64 fcp_lun; /* own FCP_LUN */
605 fcp_lun_t fcp_lun; /* own FCP_LUN */
606 u32 handle; /* handle assigned by FSF */ 551 u32 handle; /* handle assigned by FSF */
607 struct scsi_device *device; /* scsi device struct pointer */ 552 struct scsi_device *device; /* scsi device struct pointer */
608 struct zfcp_erp_action erp_action; /* pending error recovery */ 553 struct zfcp_erp_action erp_action; /* pending error recovery */
@@ -625,7 +570,7 @@ struct zfcp_fsf_req {
625 u8 sbal_response; /* SBAL used in interrupt */ 570 u8 sbal_response; /* SBAL used in interrupt */
626 wait_queue_head_t completion_wq; /* can be used by a routine 571 wait_queue_head_t completion_wq; /* can be used by a routine
627 to wait for completion */ 572 to wait for completion */
628 volatile u32 status; /* status of this request */ 573 u32 status; /* status of this request */
629 u32 fsf_command; /* FSF Command copy */ 574 u32 fsf_command; /* FSF Command copy */
630 struct fsf_qtcb *qtcb; /* address of associated QTCB */ 575 struct fsf_qtcb *qtcb; /* address of associated QTCB */
631 u32 seq_no; /* Sequence number of request */ 576 u32 seq_no; /* Sequence number of request */
@@ -644,11 +589,7 @@ struct zfcp_fsf_req {
644struct zfcp_data { 589struct zfcp_data {
645 struct scsi_host_template scsi_host_template; 590 struct scsi_host_template scsi_host_template;
646 struct scsi_transport_template *scsi_transport_template; 591 struct scsi_transport_template *scsi_transport_template;
647 atomic_t status; /* Module status flags */
648 struct list_head adapter_list_head; /* head of adapter list */ 592 struct list_head adapter_list_head; /* head of adapter list */
649 struct list_head adapter_remove_lh; /* head of adapters to be
650 removed */
651 u32 adapters; /* # of adapters in list */
652 rwlock_t config_lock; /* serialises changes 593 rwlock_t config_lock; /* serialises changes
653 to adapter/port/unit 594 to adapter/port/unit
654 lists */ 595 lists */
@@ -656,11 +597,12 @@ struct zfcp_data {
656 changes */ 597 changes */
657 atomic_t loglevel; /* current loglevel */ 598 atomic_t loglevel; /* current loglevel */
658 char init_busid[BUS_ID_SIZE]; 599 char init_busid[BUS_ID_SIZE];
659 wwn_t init_wwpn; 600 u64 init_wwpn;
660 fcp_lun_t init_fcp_lun; 601 u64 init_fcp_lun;
661 struct kmem_cache *fsf_req_qtcb_cache; 602 struct kmem_cache *fsf_req_qtcb_cache;
662 struct kmem_cache *sr_buffer_cache; 603 struct kmem_cache *sr_buffer_cache;
663 struct kmem_cache *gid_pn_cache; 604 struct kmem_cache *gid_pn_cache;
605 struct workqueue_struct *work_queue;
664}; 606};
665 607
666/* struct used by memory pools for fsf_requests */ 608/* struct used by memory pools for fsf_requests */
@@ -677,14 +619,7 @@ struct zfcp_fsf_req_qtcb {
677#define ZFCP_SET 0x00000100 619#define ZFCP_SET 0x00000100
678#define ZFCP_CLEAR 0x00000200 620#define ZFCP_CLEAR 0x00000200
679 621
680#ifndef atomic_test_mask
681#define atomic_test_mask(mask, target) \
682 ((atomic_read(target) & mask) == mask)
683#endif
684
685#define zfcp_get_busid_by_adapter(adapter) (adapter->ccw_device->dev.bus_id) 622#define zfcp_get_busid_by_adapter(adapter) (adapter->ccw_device->dev.bus_id)
686#define zfcp_get_busid_by_port(port) (zfcp_get_busid_by_adapter(port->adapter))
687#define zfcp_get_busid_by_unit(unit) (zfcp_get_busid_by_port(unit->port))
688 623
689/* 624/*
690 * Helper functions for request ID management. 625 * Helper functions for request ID management.
@@ -745,12 +680,6 @@ zfcp_unit_put(struct zfcp_unit *unit)
745} 680}
746 681
747static inline void 682static inline void
748zfcp_unit_wait(struct zfcp_unit *unit)
749{
750 wait_event(unit->remove_wq, atomic_read(&unit->refcount) == 0);
751}
752
753static inline void
754zfcp_port_get(struct zfcp_port *port) 683zfcp_port_get(struct zfcp_port *port)
755{ 684{
756 atomic_inc(&port->refcount); 685 atomic_inc(&port->refcount);
@@ -764,12 +693,6 @@ zfcp_port_put(struct zfcp_port *port)
764} 693}
765 694
766static inline void 695static inline void
767zfcp_port_wait(struct zfcp_port *port)
768{
769 wait_event(port->remove_wq, atomic_read(&port->refcount) == 0);
770}
771
772static inline void
773zfcp_adapter_get(struct zfcp_adapter *adapter) 696zfcp_adapter_get(struct zfcp_adapter *adapter)
774{ 697{
775 atomic_inc(&adapter->refcount); 698 atomic_inc(&adapter->refcount);
@@ -782,10 +705,4 @@ zfcp_adapter_put(struct zfcp_adapter *adapter)
782 wake_up(&adapter->remove_wq); 705 wake_up(&adapter->remove_wq);
783} 706}
784 707
785static inline void
786zfcp_adapter_wait(struct zfcp_adapter *adapter)
787{
788 wait_event(adapter->remove_wq, atomic_read(&adapter->refcount) == 0);
789}
790
791#endif /* ZFCP_DEF_H */ 708#endif /* ZFCP_DEF_H */
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 643ac4bba5b5..782313131870 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -23,7 +23,6 @@ enum zfcp_erp_steps {
23 ZFCP_ERP_STEP_FSF_XCONFIG = 0x0001, 23 ZFCP_ERP_STEP_FSF_XCONFIG = 0x0001,
24 ZFCP_ERP_STEP_PHYS_PORT_CLOSING = 0x0010, 24 ZFCP_ERP_STEP_PHYS_PORT_CLOSING = 0x0010,
25 ZFCP_ERP_STEP_PORT_CLOSING = 0x0100, 25 ZFCP_ERP_STEP_PORT_CLOSING = 0x0100,
26 ZFCP_ERP_STEP_NAMESERVER_OPEN = 0x0200,
27 ZFCP_ERP_STEP_NAMESERVER_LOOKUP = 0x0400, 26 ZFCP_ERP_STEP_NAMESERVER_LOOKUP = 0x0400,
28 ZFCP_ERP_STEP_PORT_OPENING = 0x0800, 27 ZFCP_ERP_STEP_PORT_OPENING = 0x0800,
29 ZFCP_ERP_STEP_UNIT_CLOSING = 0x1000, 28 ZFCP_ERP_STEP_UNIT_CLOSING = 0x1000,
@@ -532,8 +531,7 @@ static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,
532 struct zfcp_port *port; 531 struct zfcp_port *port;
533 532
534 list_for_each_entry(port, &adapter->port_list_head, list) 533 list_for_each_entry(port, &adapter->port_list_head, list)
535 if (!(atomic_read(&port->status) & ZFCP_STATUS_PORT_WKA)) 534 _zfcp_erp_port_reopen(port, clear, id, ref);
536 _zfcp_erp_port_reopen(port, clear, id, ref);
537} 535}
538 536
539static void _zfcp_erp_unit_reopen_all(struct zfcp_port *port, int clear, u8 id, 537static void _zfcp_erp_unit_reopen_all(struct zfcp_port *port, int clear, u8 id,
@@ -669,8 +667,6 @@ static int zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *act)
669 int ret; 667 int ret;
670 struct zfcp_adapter *adapter = act->adapter; 668 struct zfcp_adapter *adapter = act->adapter;
671 669
672 atomic_clear_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
673
674 write_lock_irq(&adapter->erp_lock); 670 write_lock_irq(&adapter->erp_lock);
675 zfcp_erp_action_to_running(act); 671 zfcp_erp_action_to_running(act);
676 write_unlock_irq(&adapter->erp_lock); 672 write_unlock_irq(&adapter->erp_lock);
@@ -741,8 +737,7 @@ static int zfcp_erp_adapter_strategy_generic(struct zfcp_erp_action *act,
741 ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR); 737 ZFCP_STATUS_COMMON_OPEN, ZFCP_CLEAR);
742 failed_qdio: 738 failed_qdio:
743 atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK | 739 atomic_clear_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK |
744 ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED | 740 ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED,
745 ZFCP_STATUS_ADAPTER_XPORT_OK,
746 &act->adapter->status); 741 &act->adapter->status);
747 return retval; 742 return retval;
748} 743}
@@ -751,15 +746,11 @@ static int zfcp_erp_adapter_strategy(struct zfcp_erp_action *act)
751{ 746{
752 int retval; 747 int retval;
753 748
754 atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &act->adapter->status);
755 zfcp_erp_adapter_strategy_generic(act, 1); /* close */ 749 zfcp_erp_adapter_strategy_generic(act, 1); /* close */
756 atomic_clear_mask(ZFCP_STATUS_COMMON_CLOSING, &act->adapter->status);
757 if (act->status & ZFCP_STATUS_ERP_CLOSE_ONLY) 750 if (act->status & ZFCP_STATUS_ERP_CLOSE_ONLY)
758 return ZFCP_ERP_EXIT; 751 return ZFCP_ERP_EXIT;
759 752
760 atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &act->adapter->status);
761 retval = zfcp_erp_adapter_strategy_generic(act, 0); /* open */ 753 retval = zfcp_erp_adapter_strategy_generic(act, 0); /* open */
762 atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING, &act->adapter->status);
763 754
764 if (retval == ZFCP_ERP_FAILED) 755 if (retval == ZFCP_ERP_FAILED)
765 ssleep(8); 756 ssleep(8);
@@ -783,10 +774,7 @@ static int zfcp_erp_port_forced_strategy_close(struct zfcp_erp_action *act)
783 774
784static void zfcp_erp_port_strategy_clearstati(struct zfcp_port *port) 775static void zfcp_erp_port_strategy_clearstati(struct zfcp_port *port)
785{ 776{
786 atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING | 777 atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
787 ZFCP_STATUS_COMMON_CLOSING |
788 ZFCP_STATUS_COMMON_ACCESS_DENIED |
789 ZFCP_STATUS_PORT_DID_DID |
790 ZFCP_STATUS_PORT_PHYS_CLOSING | 778 ZFCP_STATUS_PORT_PHYS_CLOSING |
791 ZFCP_STATUS_PORT_INVALID_WWPN, 779 ZFCP_STATUS_PORT_INVALID_WWPN,
792 &port->status); 780 &port->status);
@@ -839,73 +827,12 @@ static int zfcp_erp_port_strategy_open_port(struct zfcp_erp_action *erp_action)
839 return ZFCP_ERP_CONTINUES; 827 return ZFCP_ERP_CONTINUES;
840} 828}
841 829
842static void zfcp_erp_port_strategy_open_ns_wake(struct zfcp_erp_action *ns_act)
843{
844 unsigned long flags;
845 struct zfcp_adapter *adapter = ns_act->adapter;
846 struct zfcp_erp_action *act, *tmp;
847 int status;
848
849 read_lock_irqsave(&adapter->erp_lock, flags);
850 list_for_each_entry_safe(act, tmp, &adapter->erp_running_head, list) {
851 if (act->step == ZFCP_ERP_STEP_NAMESERVER_OPEN) {
852 status = atomic_read(&adapter->nameserver_port->status);
853 if (status & ZFCP_STATUS_COMMON_ERP_FAILED)
854 zfcp_erp_port_failed(act->port, 27, NULL);
855 zfcp_erp_action_ready(act);
856 }
857 }
858 read_unlock_irqrestore(&adapter->erp_lock, flags);
859}
860
861static int zfcp_erp_port_strategy_open_nameserver(struct zfcp_erp_action *act)
862{
863 int retval;
864
865 switch (act->step) {
866 case ZFCP_ERP_STEP_UNINITIALIZED:
867 case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
868 case ZFCP_ERP_STEP_PORT_CLOSING:
869 return zfcp_erp_port_strategy_open_port(act);
870
871 case ZFCP_ERP_STEP_PORT_OPENING:
872 if (atomic_read(&act->port->status) & ZFCP_STATUS_COMMON_OPEN)
873 retval = ZFCP_ERP_SUCCEEDED;
874 else
875 retval = ZFCP_ERP_FAILED;
876 /* this is needed anyway */
877 zfcp_erp_port_strategy_open_ns_wake(act);
878 return retval;
879
880 default:
881 return ZFCP_ERP_FAILED;
882 }
883}
884
885static int zfcp_erp_port_strategy_open_lookup(struct zfcp_erp_action *act)
886{
887 int retval;
888
889 retval = zfcp_fc_ns_gid_pn_request(act);
890 if (retval == -ENOMEM)
891 return ZFCP_ERP_NOMEM;
892 act->step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP;
893 if (retval)
894 return ZFCP_ERP_FAILED;
895 return ZFCP_ERP_CONTINUES;
896}
897
898static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act) 830static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act)
899{ 831{
900 struct zfcp_adapter *adapter = act->adapter; 832 struct zfcp_adapter *adapter = act->adapter;
901 struct zfcp_port *port = act->port; 833 struct zfcp_port *port = act->port;
902 834
903 if (port->wwpn != adapter->peer_wwpn) { 835 if (port->wwpn != adapter->peer_wwpn) {
904 dev_err(&adapter->ccw_device->dev,
905 "Failed to open port 0x%016Lx, "
906 "Peer WWPN 0x%016Lx does not "
907 "match.\n", port->wwpn,
908 adapter->peer_wwpn);
909 zfcp_erp_port_failed(port, 25, NULL); 836 zfcp_erp_port_failed(port, 25, NULL);
910 return ZFCP_ERP_FAILED; 837 return ZFCP_ERP_FAILED;
911 } 838 }
@@ -914,11 +841,25 @@ static int zfcp_erp_open_ptp_port(struct zfcp_erp_action *act)
914 return zfcp_erp_port_strategy_open_port(act); 841 return zfcp_erp_port_strategy_open_port(act);
915} 842}
916 843
844void zfcp_erp_port_strategy_open_lookup(struct work_struct *work)
845{
846 int retval;
847 struct zfcp_port *port = container_of(work, struct zfcp_port,
848 gid_pn_work);
849
850 retval = zfcp_fc_ns_gid_pn(&port->erp_action);
851 if (retval == -ENOMEM)
852 zfcp_erp_notify(&port->erp_action, ZFCP_ERP_NOMEM);
853 port->erp_action.step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP;
854 if (retval)
855 zfcp_erp_notify(&port->erp_action, ZFCP_ERP_FAILED);
856
857}
858
917static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act) 859static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
918{ 860{
919 struct zfcp_adapter *adapter = act->adapter; 861 struct zfcp_adapter *adapter = act->adapter;
920 struct zfcp_port *port = act->port; 862 struct zfcp_port *port = act->port;
921 struct zfcp_port *ns_port = adapter->nameserver_port;
922 int p_status = atomic_read(&port->status); 863 int p_status = atomic_read(&port->status);
923 864
924 switch (act->step) { 865 switch (act->step) {
@@ -927,28 +868,10 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
927 case ZFCP_ERP_STEP_PORT_CLOSING: 868 case ZFCP_ERP_STEP_PORT_CLOSING:
928 if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP) 869 if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP)
929 return zfcp_erp_open_ptp_port(act); 870 return zfcp_erp_open_ptp_port(act);
930 if (!ns_port) { 871 if (!(p_status & ZFCP_STATUS_PORT_DID_DID)) {
931 dev_err(&adapter->ccw_device->dev, 872 queue_work(zfcp_data.work_queue, &port->gid_pn_work);
932 "Nameserver port unavailable.\n"); 873 return ZFCP_ERP_CONTINUES;
933 return ZFCP_ERP_FAILED;
934 }
935 if (!(atomic_read(&ns_port->status) &
936 ZFCP_STATUS_COMMON_UNBLOCKED)) {
937 /* nameserver port may live again */
938 atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING,
939 &ns_port->status);
940 if (zfcp_erp_port_reopen(ns_port, 0, 77, act) >= 0) {
941 act->step = ZFCP_ERP_STEP_NAMESERVER_OPEN;
942 return ZFCP_ERP_CONTINUES;
943 }
944 return ZFCP_ERP_FAILED;
945 } 874 }
946 /* else nameserver port is already open, fall through */
947 case ZFCP_ERP_STEP_NAMESERVER_OPEN:
948 if (!(atomic_read(&ns_port->status) & ZFCP_STATUS_COMMON_OPEN))
949 return ZFCP_ERP_FAILED;
950 return zfcp_erp_port_strategy_open_lookup(act);
951
952 case ZFCP_ERP_STEP_NAMESERVER_LOOKUP: 875 case ZFCP_ERP_STEP_NAMESERVER_LOOKUP:
953 if (!(p_status & ZFCP_STATUS_PORT_DID_DID)) { 876 if (!(p_status & ZFCP_STATUS_PORT_DID_DID)) {
954 if (p_status & (ZFCP_STATUS_PORT_INVALID_WWPN)) { 877 if (p_status & (ZFCP_STATUS_PORT_INVALID_WWPN)) {
@@ -961,25 +884,26 @@ static int zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *act)
961 884
962 case ZFCP_ERP_STEP_PORT_OPENING: 885 case ZFCP_ERP_STEP_PORT_OPENING:
963 /* D_ID might have changed during open */ 886 /* D_ID might have changed during open */
964 if ((p_status & ZFCP_STATUS_COMMON_OPEN) && 887 if (p_status & ZFCP_STATUS_COMMON_OPEN) {
965 (p_status & ZFCP_STATUS_PORT_DID_DID)) 888 if (p_status & ZFCP_STATUS_PORT_DID_DID)
966 return ZFCP_ERP_SUCCEEDED; 889 return ZFCP_ERP_SUCCEEDED;
890 else {
891 act->step = ZFCP_ERP_STEP_PORT_CLOSING;
892 return ZFCP_ERP_CONTINUES;
893 }
967 /* fall through otherwise */ 894 /* fall through otherwise */
895 }
968 } 896 }
969 return ZFCP_ERP_FAILED; 897 return ZFCP_ERP_FAILED;
970} 898}
971 899
972static int zfcp_erp_port_strategy_open(struct zfcp_erp_action *act)
973{
974 if (atomic_read(&act->port->status) & (ZFCP_STATUS_PORT_WKA))
975 return zfcp_erp_port_strategy_open_nameserver(act);
976 return zfcp_erp_port_strategy_open_common(act);
977}
978
979static int zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action) 900static int zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
980{ 901{
981 struct zfcp_port *port = erp_action->port; 902 struct zfcp_port *port = erp_action->port;
982 903
904 if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_NOESC)
905 goto close_init_done;
906
983 switch (erp_action->step) { 907 switch (erp_action->step) {
984 case ZFCP_ERP_STEP_UNINITIALIZED: 908 case ZFCP_ERP_STEP_UNINITIALIZED:
985 zfcp_erp_port_strategy_clearstati(port); 909 zfcp_erp_port_strategy_clearstati(port);
@@ -992,19 +916,17 @@ static int zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
992 return ZFCP_ERP_FAILED; 916 return ZFCP_ERP_FAILED;
993 break; 917 break;
994 } 918 }
919
920close_init_done:
995 if (erp_action->status & ZFCP_STATUS_ERP_CLOSE_ONLY) 921 if (erp_action->status & ZFCP_STATUS_ERP_CLOSE_ONLY)
996 return ZFCP_ERP_EXIT; 922 return ZFCP_ERP_EXIT;
997 else
998 return zfcp_erp_port_strategy_open(erp_action);
999 923
1000 return ZFCP_ERP_FAILED; 924 return zfcp_erp_port_strategy_open_common(erp_action);
1001} 925}
1002 926
1003static void zfcp_erp_unit_strategy_clearstati(struct zfcp_unit *unit) 927static void zfcp_erp_unit_strategy_clearstati(struct zfcp_unit *unit)
1004{ 928{
1005 atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING | 929 atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
1006 ZFCP_STATUS_COMMON_CLOSING |
1007 ZFCP_STATUS_COMMON_ACCESS_DENIED |
1008 ZFCP_STATUS_UNIT_SHARED | 930 ZFCP_STATUS_UNIT_SHARED |
1009 ZFCP_STATUS_UNIT_READONLY, 931 ZFCP_STATUS_UNIT_READONLY,
1010 &unit->status); 932 &unit->status);
@@ -1065,8 +987,14 @@ static int zfcp_erp_strategy_check_unit(struct zfcp_unit *unit, int result)
1065 break; 987 break;
1066 case ZFCP_ERP_FAILED : 988 case ZFCP_ERP_FAILED :
1067 atomic_inc(&unit->erp_counter); 989 atomic_inc(&unit->erp_counter);
1068 if (atomic_read(&unit->erp_counter) > ZFCP_MAX_ERPS) 990 if (atomic_read(&unit->erp_counter) > ZFCP_MAX_ERPS) {
991 dev_err(&unit->port->adapter->ccw_device->dev,
992 "ERP failed for unit 0x%016Lx on "
993 "port 0x%016Lx\n",
994 (unsigned long long)unit->fcp_lun,
995 (unsigned long long)unit->port->wwpn);
1069 zfcp_erp_unit_failed(unit, 21, NULL); 996 zfcp_erp_unit_failed(unit, 21, NULL);
997 }
1070 break; 998 break;
1071 } 999 }
1072 1000
@@ -1091,8 +1019,12 @@ static int zfcp_erp_strategy_check_port(struct zfcp_port *port, int result)
1091 result = ZFCP_ERP_EXIT; 1019 result = ZFCP_ERP_EXIT;
1092 } 1020 }
1093 atomic_inc(&port->erp_counter); 1021 atomic_inc(&port->erp_counter);
1094 if (atomic_read(&port->erp_counter) > ZFCP_MAX_ERPS) 1022 if (atomic_read(&port->erp_counter) > ZFCP_MAX_ERPS) {
1023 dev_err(&port->adapter->ccw_device->dev,
1024 "ERP failed for remote port 0x%016Lx\n",
1025 (unsigned long long)port->wwpn);
1095 zfcp_erp_port_failed(port, 22, NULL); 1026 zfcp_erp_port_failed(port, 22, NULL);
1027 }
1096 break; 1028 break;
1097 } 1029 }
1098 1030
@@ -1114,8 +1046,12 @@ static int zfcp_erp_strategy_check_adapter(struct zfcp_adapter *adapter,
1114 1046
1115 case ZFCP_ERP_FAILED : 1047 case ZFCP_ERP_FAILED :
1116 atomic_inc(&adapter->erp_counter); 1048 atomic_inc(&adapter->erp_counter);
1117 if (atomic_read(&adapter->erp_counter) > ZFCP_MAX_ERPS) 1049 if (atomic_read(&adapter->erp_counter) > ZFCP_MAX_ERPS) {
1050 dev_err(&adapter->ccw_device->dev,
1051 "ERP cannot recover an error "
1052 "on the FCP device\n");
1118 zfcp_erp_adapter_failed(adapter, 23, NULL); 1053 zfcp_erp_adapter_failed(adapter, 23, NULL);
1054 }
1119 break; 1055 break;
1120 } 1056 }
1121 1057
@@ -1250,9 +1186,10 @@ static void zfcp_erp_scsi_scan(struct work_struct *work)
1250 struct zfcp_unit *unit = p->unit; 1186 struct zfcp_unit *unit = p->unit;
1251 struct fc_rport *rport = unit->port->rport; 1187 struct fc_rport *rport = unit->port->rport;
1252 scsi_scan_target(&rport->dev, 0, rport->scsi_target_id, 1188 scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
1253 unit->scsi_lun, 0); 1189 scsilun_to_int((struct scsi_lun *)&unit->fcp_lun), 0);
1254 atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); 1190 atomic_clear_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status);
1255 zfcp_unit_put(unit); 1191 zfcp_unit_put(unit);
1192 wake_up(&unit->port->adapter->erp_done_wqh);
1256 kfree(p); 1193 kfree(p);
1257} 1194}
1258 1195
@@ -1263,9 +1200,9 @@ static void zfcp_erp_schedule_work(struct zfcp_unit *unit)
1263 p = kzalloc(sizeof(*p), GFP_KERNEL); 1200 p = kzalloc(sizeof(*p), GFP_KERNEL);
1264 if (!p) { 1201 if (!p) {
1265 dev_err(&unit->port->adapter->ccw_device->dev, 1202 dev_err(&unit->port->adapter->ccw_device->dev,
1266 "Out of resources. Could not register unit " 1203 "Registering unit 0x%016Lx on port 0x%016Lx failed\n",
1267 "0x%016Lx on port 0x%016Lx with SCSI stack.\n", 1204 (unsigned long long)unit->fcp_lun,
1268 unit->fcp_lun, unit->port->wwpn); 1205 (unsigned long long)unit->port->wwpn);
1269 return; 1206 return;
1270 } 1207 }
1271 1208
@@ -1273,7 +1210,7 @@ static void zfcp_erp_schedule_work(struct zfcp_unit *unit)
1273 atomic_set_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status); 1210 atomic_set_mask(ZFCP_STATUS_UNIT_SCSI_WORK_PENDING, &unit->status);
1274 INIT_WORK(&p->work, zfcp_erp_scsi_scan); 1211 INIT_WORK(&p->work, zfcp_erp_scsi_scan);
1275 p->unit = unit; 1212 p->unit = unit;
1276 schedule_work(&p->work); 1213 queue_work(zfcp_data.work_queue, &p->work);
1277} 1214}
1278 1215
1279static void zfcp_erp_rport_register(struct zfcp_port *port) 1216static void zfcp_erp_rport_register(struct zfcp_port *port)
@@ -1286,8 +1223,8 @@ static void zfcp_erp_rport_register(struct zfcp_port *port)
1286 port->rport = fc_remote_port_add(port->adapter->scsi_host, 0, &ids); 1223 port->rport = fc_remote_port_add(port->adapter->scsi_host, 0, &ids);
1287 if (!port->rport) { 1224 if (!port->rport) {
1288 dev_err(&port->adapter->ccw_device->dev, 1225 dev_err(&port->adapter->ccw_device->dev,
1289 "Failed registration of rport " 1226 "Registering port 0x%016Lx failed\n",
1290 "0x%016Lx.\n", port->wwpn); 1227 (unsigned long long)port->wwpn);
1291 return; 1228 return;
1292 } 1229 }
1293 1230
@@ -1299,12 +1236,12 @@ static void zfcp_erp_rport_register(struct zfcp_port *port)
1299static void zfcp_erp_rports_del(struct zfcp_adapter *adapter) 1236static void zfcp_erp_rports_del(struct zfcp_adapter *adapter)
1300{ 1237{
1301 struct zfcp_port *port; 1238 struct zfcp_port *port;
1302 list_for_each_entry(port, &adapter->port_list_head, list) 1239 list_for_each_entry(port, &adapter->port_list_head, list) {
1303 if (port->rport && !(atomic_read(&port->status) & 1240 if (!port->rport)
1304 ZFCP_STATUS_PORT_WKA)) { 1241 continue;
1305 fc_remote_port_delete(port->rport); 1242 fc_remote_port_delete(port->rport);
1306 port->rport = NULL; 1243 port->rport = NULL;
1307 } 1244 }
1308} 1245}
1309 1246
1310static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result) 1247static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
@@ -1459,9 +1396,9 @@ static int zfcp_erp_thread(void *data)
1459 zfcp_erp_wakeup(adapter); 1396 zfcp_erp_wakeup(adapter);
1460 } 1397 }
1461 1398
1462 zfcp_rec_dbf_event_thread(4, adapter); 1399 zfcp_rec_dbf_event_thread_lock(4, adapter);
1463 down_interruptible(&adapter->erp_ready_sem); 1400 down_interruptible(&adapter->erp_ready_sem);
1464 zfcp_rec_dbf_event_thread(5, adapter); 1401 zfcp_rec_dbf_event_thread_lock(5, adapter);
1465 } 1402 }
1466 1403
1467 atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status); 1404 atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
@@ -1484,7 +1421,7 @@ int zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
1484 retval = kernel_thread(zfcp_erp_thread, adapter, SIGCHLD); 1421 retval = kernel_thread(zfcp_erp_thread, adapter, SIGCHLD);
1485 if (retval < 0) { 1422 if (retval < 0) {
1486 dev_err(&adapter->ccw_device->dev, 1423 dev_err(&adapter->ccw_device->dev,
1487 "Creation of ERP thread failed.\n"); 1424 "Creating an ERP thread for the FCP device failed.\n");
1488 return retval; 1425 return retval;
1489 } 1426 }
1490 wait_event(adapter->erp_thread_wqh, 1427 wait_event(adapter->erp_thread_wqh,
@@ -1506,7 +1443,7 @@ void zfcp_erp_thread_kill(struct zfcp_adapter *adapter)
1506{ 1443{
1507 atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL, &adapter->status); 1444 atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_KILL, &adapter->status);
1508 up(&adapter->erp_ready_sem); 1445 up(&adapter->erp_ready_sem);
1509 zfcp_rec_dbf_event_thread_lock(2, adapter); 1446 zfcp_rec_dbf_event_thread_lock(3, adapter);
1510 1447
1511 wait_event(adapter->erp_thread_wqh, 1448 wait_event(adapter->erp_thread_wqh,
1512 !(atomic_read(&adapter->status) & 1449 !(atomic_read(&adapter->status) &
@@ -1526,7 +1463,6 @@ void zfcp_erp_adapter_failed(struct zfcp_adapter *adapter, u8 id, void *ref)
1526{ 1463{
1527 zfcp_erp_modify_adapter_status(adapter, id, ref, 1464 zfcp_erp_modify_adapter_status(adapter, id, ref,
1528 ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET); 1465 ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
1529 dev_err(&adapter->ccw_device->dev, "Adapter ERP failed.\n");
1530} 1466}
1531 1467
1532/** 1468/**
@@ -1539,15 +1475,6 @@ void zfcp_erp_port_failed(struct zfcp_port *port, u8 id, void *ref)
1539{ 1475{
1540 zfcp_erp_modify_port_status(port, id, ref, 1476 zfcp_erp_modify_port_status(port, id, ref,
1541 ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET); 1477 ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
1542
1543 if (atomic_read(&port->status) & ZFCP_STATUS_PORT_WKA)
1544 dev_err(&port->adapter->ccw_device->dev,
1545 "Port ERP failed for WKA port d_id=0x%06x.\n",
1546 port->d_id);
1547 else
1548 dev_err(&port->adapter->ccw_device->dev,
1549 "Port ERP failed for port wwpn=0x%016Lx.\n",
1550 port->wwpn);
1551} 1478}
1552 1479
1553/** 1480/**
@@ -1560,10 +1487,6 @@ void zfcp_erp_unit_failed(struct zfcp_unit *unit, u8 id, void *ref)
1560{ 1487{
1561 zfcp_erp_modify_unit_status(unit, id, ref, 1488 zfcp_erp_modify_unit_status(unit, id, ref,
1562 ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET); 1489 ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
1563
1564 dev_err(&unit->port->adapter->ccw_device->dev,
1565 "Unit ERP failed for unit 0x%016Lx on port 0x%016Lx.\n",
1566 unit->fcp_lun, unit->port->wwpn);
1567} 1490}
1568 1491
1569/** 1492/**
@@ -1754,9 +1677,8 @@ static void zfcp_erp_port_access_changed(struct zfcp_port *port, u8 id,
1754 1677
1755 if (!(status & (ZFCP_STATUS_COMMON_ACCESS_DENIED | 1678 if (!(status & (ZFCP_STATUS_COMMON_ACCESS_DENIED |
1756 ZFCP_STATUS_COMMON_ACCESS_BOXED))) { 1679 ZFCP_STATUS_COMMON_ACCESS_BOXED))) {
1757 if (!(status & ZFCP_STATUS_PORT_WKA)) 1680 list_for_each_entry(unit, &port->unit_list_head, list)
1758 list_for_each_entry(unit, &port->unit_list_head, list) 1681 zfcp_erp_unit_access_changed(unit, id, ref);
1759 zfcp_erp_unit_access_changed(unit, id, ref);
1760 return; 1682 return;
1761 } 1683 }
1762 1684
@@ -1779,10 +1701,7 @@ void zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter, u8 id,
1779 return; 1701 return;
1780 1702
1781 read_lock_irqsave(&zfcp_data.config_lock, flags); 1703 read_lock_irqsave(&zfcp_data.config_lock, flags);
1782 if (adapter->nameserver_port)
1783 zfcp_erp_port_access_changed(adapter->nameserver_port, id, ref);
1784 list_for_each_entry(port, &adapter->port_list_head, list) 1704 list_for_each_entry(port, &adapter->port_list_head, list)
1785 if (port != adapter->nameserver_port) 1705 zfcp_erp_port_access_changed(port, id, ref);
1786 zfcp_erp_port_access_changed(port, id, ref);
1787 read_unlock_irqrestore(&zfcp_data.config_lock, flags); 1706 read_unlock_irqrestore(&zfcp_data.config_lock, flags);
1788} 1707}
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index edfdb21591f3..b5adeda93e1d 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -12,16 +12,14 @@
12#include "zfcp_def.h" 12#include "zfcp_def.h"
13 13
14/* zfcp_aux.c */ 14/* zfcp_aux.c */
15extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, 15extern struct zfcp_unit *zfcp_get_unit_by_lun(struct zfcp_port *, u64);
16 fcp_lun_t); 16extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *, u64);
17extern struct zfcp_port *zfcp_get_port_by_wwpn(struct zfcp_adapter *,
18 wwn_t);
19extern int zfcp_adapter_enqueue(struct ccw_device *); 17extern int zfcp_adapter_enqueue(struct ccw_device *);
20extern void zfcp_adapter_dequeue(struct zfcp_adapter *); 18extern void zfcp_adapter_dequeue(struct zfcp_adapter *);
21extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, wwn_t, u32, 19extern struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *, u64, u32,
22 u32); 20 u32);
23extern void zfcp_port_dequeue(struct zfcp_port *); 21extern void zfcp_port_dequeue(struct zfcp_port *);
24extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, fcp_lun_t); 22extern struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *, u64);
25extern void zfcp_unit_dequeue(struct zfcp_unit *); 23extern void zfcp_unit_dequeue(struct zfcp_unit *);
26extern int zfcp_reqlist_isempty(struct zfcp_adapter *); 24extern int zfcp_reqlist_isempty(struct zfcp_adapter *);
27extern void zfcp_sg_free_table(struct scatterlist *, int); 25extern void zfcp_sg_free_table(struct scatterlist *, int);
@@ -29,6 +27,7 @@ extern int zfcp_sg_setup_table(struct scatterlist *, int);
29 27
30/* zfcp_ccw.c */ 28/* zfcp_ccw.c */
31extern int zfcp_ccw_register(void); 29extern int zfcp_ccw_register(void);
30extern struct zfcp_adapter *zfcp_get_adapter_by_busid(char *);
32 31
33/* zfcp_cfdc.c */ 32/* zfcp_cfdc.c */
34extern struct miscdevice zfcp_cfdc_misc; 33extern struct miscdevice zfcp_cfdc_misc;
@@ -50,6 +49,8 @@ extern void zfcp_hba_dbf_event_fsf_unsol(const char *, struct zfcp_adapter *,
50 struct fsf_status_read_buffer *); 49 struct fsf_status_read_buffer *);
51extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, unsigned int, int, 50extern void zfcp_hba_dbf_event_qdio(struct zfcp_adapter *, unsigned int, int,
52 int); 51 int);
52extern void zfcp_hba_dbf_event_berr(struct zfcp_adapter *,
53 struct zfcp_fsf_req *);
53extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *); 54extern void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *);
54extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *); 55extern void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *);
55extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *); 56extern void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *);
@@ -91,17 +92,21 @@ extern void zfcp_erp_port_access_denied(struct zfcp_port *, u8, void *);
91extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, u8, void *); 92extern void zfcp_erp_unit_access_denied(struct zfcp_unit *, u8, void *);
92extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, u8, void *); 93extern void zfcp_erp_adapter_access_changed(struct zfcp_adapter *, u8, void *);
93extern void zfcp_erp_timeout_handler(unsigned long); 94extern void zfcp_erp_timeout_handler(unsigned long);
95extern void zfcp_erp_port_strategy_open_lookup(struct work_struct *);
94 96
95/* zfcp_fc.c */ 97/* zfcp_fc.c */
96extern int zfcp_scan_ports(struct zfcp_adapter *); 98extern int zfcp_scan_ports(struct zfcp_adapter *);
97extern void _zfcp_scan_ports_later(struct work_struct *); 99extern void _zfcp_scan_ports_later(struct work_struct *);
98extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *); 100extern void zfcp_fc_incoming_els(struct zfcp_fsf_req *);
99extern int zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *); 101extern int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *);
100extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *); 102extern void zfcp_fc_plogi_evaluate(struct zfcp_port *, struct fsf_plogi *);
101extern void zfcp_test_link(struct zfcp_port *); 103extern void zfcp_test_link(struct zfcp_port *);
104extern void zfcp_fc_nameserver_init(struct zfcp_adapter *);
102 105
103/* zfcp_fsf.c */ 106/* zfcp_fsf.c */
104extern int zfcp_fsf_open_port(struct zfcp_erp_action *); 107extern int zfcp_fsf_open_port(struct zfcp_erp_action *);
108extern int zfcp_fsf_open_wka_port(struct zfcp_wka_port *);
109extern int zfcp_fsf_close_wka_port(struct zfcp_wka_port *);
105extern int zfcp_fsf_close_port(struct zfcp_erp_action *); 110extern int zfcp_fsf_close_port(struct zfcp_erp_action *);
106extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *); 111extern int zfcp_fsf_close_physical_port(struct zfcp_erp_action *);
107extern int zfcp_fsf_open_unit(struct zfcp_erp_action *); 112extern int zfcp_fsf_open_unit(struct zfcp_erp_action *);
@@ -135,10 +140,8 @@ extern struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long,
135extern int zfcp_qdio_allocate(struct zfcp_adapter *); 140extern int zfcp_qdio_allocate(struct zfcp_adapter *);
136extern void zfcp_qdio_free(struct zfcp_adapter *); 141extern void zfcp_qdio_free(struct zfcp_adapter *);
137extern int zfcp_qdio_send(struct zfcp_fsf_req *); 142extern int zfcp_qdio_send(struct zfcp_fsf_req *);
138extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_req( 143extern struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *);
139 struct zfcp_fsf_req *); 144extern struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *);
140extern volatile struct qdio_buffer_element *zfcp_qdio_sbale_curr(
141 struct zfcp_fsf_req *);
142extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long, 145extern int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *, unsigned long,
143 struct scatterlist *, int); 146 struct scatterlist *, int);
144extern int zfcp_qdio_open(struct zfcp_adapter *); 147extern int zfcp_qdio_open(struct zfcp_adapter *);
@@ -148,14 +151,12 @@ extern void zfcp_qdio_close(struct zfcp_adapter *);
148extern struct zfcp_data zfcp_data; 151extern struct zfcp_data zfcp_data;
149extern int zfcp_adapter_scsi_register(struct zfcp_adapter *); 152extern int zfcp_adapter_scsi_register(struct zfcp_adapter *);
150extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *); 153extern void zfcp_adapter_scsi_unregister(struct zfcp_adapter *);
151extern void zfcp_set_fcp_dl(struct fcp_cmnd_iu *, fcp_dl_t);
152extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *); 154extern char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *);
153extern struct fc_function_template zfcp_transport_functions; 155extern struct fc_function_template zfcp_transport_functions;
154 156
155/* zfcp_sysfs.c */ 157/* zfcp_sysfs.c */
156extern struct attribute_group zfcp_sysfs_unit_attrs; 158extern struct attribute_group zfcp_sysfs_unit_attrs;
157extern struct attribute_group zfcp_sysfs_adapter_attrs; 159extern struct attribute_group zfcp_sysfs_adapter_attrs;
158extern struct attribute_group zfcp_sysfs_ns_port_attrs;
159extern struct attribute_group zfcp_sysfs_port_attrs; 160extern struct attribute_group zfcp_sysfs_port_attrs;
160extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; 161extern struct device_attribute *zfcp_sysfs_sdev_attrs[];
161extern struct device_attribute *zfcp_sysfs_shost_attrs[]; 162extern struct device_attribute *zfcp_sysfs_shost_attrs[];
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 56196c98c07b..1a7c80a77ff5 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -39,6 +39,84 @@ struct zfcp_gpn_ft {
39 struct scatterlist sg_resp[ZFCP_GPN_FT_BUFFERS]; 39 struct scatterlist sg_resp[ZFCP_GPN_FT_BUFFERS];
40}; 40};
41 41
42struct zfcp_fc_ns_handler_data {
43 struct completion done;
44 void (*handler)(unsigned long);
45 unsigned long handler_data;
46};
47
48static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port)
49{
50 if (mutex_lock_interruptible(&wka_port->mutex))
51 return -ERESTARTSYS;
52
53 if (wka_port->status != ZFCP_WKA_PORT_ONLINE) {
54 wka_port->status = ZFCP_WKA_PORT_OPENING;
55 if (zfcp_fsf_open_wka_port(wka_port))
56 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
57 }
58
59 mutex_unlock(&wka_port->mutex);
60
61 wait_event_timeout(
62 wka_port->completion_wq,
63 wka_port->status == ZFCP_WKA_PORT_ONLINE ||
64 wka_port->status == ZFCP_WKA_PORT_OFFLINE,
65 HZ >> 1);
66
67 if (wka_port->status == ZFCP_WKA_PORT_ONLINE) {
68 atomic_inc(&wka_port->refcount);
69 return 0;
70 }
71 return -EIO;
72}
73
74static void zfcp_wka_port_offline(struct work_struct *work)
75{
76 struct delayed_work *dw = container_of(work, struct delayed_work, work);
77 struct zfcp_wka_port *wka_port =
78 container_of(dw, struct zfcp_wka_port, work);
79
80 wait_event(wka_port->completion_wq,
81 atomic_read(&wka_port->refcount) == 0);
82
83 mutex_lock(&wka_port->mutex);
84 if ((atomic_read(&wka_port->refcount) != 0) ||
85 (wka_port->status != ZFCP_WKA_PORT_ONLINE))
86 goto out;
87
88 wka_port->status = ZFCP_WKA_PORT_CLOSING;
89 if (zfcp_fsf_close_wka_port(wka_port)) {
90 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
91 wake_up(&wka_port->completion_wq);
92 }
93out:
94 mutex_unlock(&wka_port->mutex);
95}
96
97static void zfcp_wka_port_put(struct zfcp_wka_port *wka_port)
98{
99 if (atomic_dec_return(&wka_port->refcount) != 0)
100 return;
101 /* wait 10 miliseconds, other reqs might pop in */
102 schedule_delayed_work(&wka_port->work, HZ / 100);
103}
104
105void zfcp_fc_nameserver_init(struct zfcp_adapter *adapter)
106{
107 struct zfcp_wka_port *wka_port = &adapter->nsp;
108
109 init_waitqueue_head(&wka_port->completion_wq);
110
111 wka_port->adapter = adapter;
112 wka_port->d_id = ZFCP_DID_DIRECTORY_SERVICE;
113
114 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
115 atomic_set(&wka_port->refcount, 0);
116 mutex_init(&wka_port->mutex);
117 INIT_DELAYED_WORK(&wka_port->work, zfcp_wka_port_offline);
118}
119
42static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range, 120static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
43 struct fcp_rscn_element *elem) 121 struct fcp_rscn_element *elem)
44{ 122{
@@ -47,10 +125,8 @@ static void _zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req, u32 range,
47 125
48 read_lock_irqsave(&zfcp_data.config_lock, flags); 126 read_lock_irqsave(&zfcp_data.config_lock, flags);
49 list_for_each_entry(port, &fsf_req->adapter->port_list_head, list) { 127 list_for_each_entry(port, &fsf_req->adapter->port_list_head, list) {
50 if (atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status))
51 continue;
52 /* FIXME: ZFCP_STATUS_PORT_DID_DID check is racy */ 128 /* FIXME: ZFCP_STATUS_PORT_DID_DID check is racy */
53 if (!atomic_test_mask(ZFCP_STATUS_PORT_DID_DID, &port->status)) 129 if (!(atomic_read(&port->status) & ZFCP_STATUS_PORT_DID_DID))
54 /* Try to connect to unused ports anyway. */ 130 /* Try to connect to unused ports anyway. */
55 zfcp_erp_port_reopen(port, 131 zfcp_erp_port_reopen(port,
56 ZFCP_STATUS_COMMON_ERP_FAILED, 132 ZFCP_STATUS_COMMON_ERP_FAILED,
@@ -102,7 +178,7 @@ static void zfcp_fc_incoming_rscn(struct zfcp_fsf_req *fsf_req)
102 schedule_work(&fsf_req->adapter->scan_work); 178 schedule_work(&fsf_req->adapter->scan_work);
103} 179}
104 180
105static void zfcp_fc_incoming_wwpn(struct zfcp_fsf_req *req, wwn_t wwpn) 181static void zfcp_fc_incoming_wwpn(struct zfcp_fsf_req *req, u64 wwpn)
106{ 182{
107 struct zfcp_adapter *adapter = req->adapter; 183 struct zfcp_adapter *adapter = req->adapter;
108 struct zfcp_port *port; 184 struct zfcp_port *port;
@@ -157,7 +233,18 @@ void zfcp_fc_incoming_els(struct zfcp_fsf_req *fsf_req)
157 zfcp_fc_incoming_rscn(fsf_req); 233 zfcp_fc_incoming_rscn(fsf_req);
158} 234}
159 235
160static void zfcp_ns_gid_pn_handler(unsigned long data) 236static void zfcp_fc_ns_handler(unsigned long data)
237{
238 struct zfcp_fc_ns_handler_data *compl_rec =
239 (struct zfcp_fc_ns_handler_data *) data;
240
241 if (compl_rec->handler)
242 compl_rec->handler(compl_rec->handler_data);
243
244 complete(&compl_rec->done);
245}
246
247static void zfcp_fc_ns_gid_pn_eval(unsigned long data)
161{ 248{
162 struct zfcp_gid_pn_data *gid_pn = (struct zfcp_gid_pn_data *) data; 249 struct zfcp_gid_pn_data *gid_pn = (struct zfcp_gid_pn_data *) data;
163 struct zfcp_send_ct *ct = &gid_pn->ct; 250 struct zfcp_send_ct *ct = &gid_pn->ct;
@@ -166,43 +253,31 @@ static void zfcp_ns_gid_pn_handler(unsigned long data)
166 struct zfcp_port *port = gid_pn->port; 253 struct zfcp_port *port = gid_pn->port;
167 254
168 if (ct->status) 255 if (ct->status)
169 goto out; 256 return;
170 if (ct_iu_resp->header.cmd_rsp_code != ZFCP_CT_ACCEPT) { 257 if (ct_iu_resp->header.cmd_rsp_code != ZFCP_CT_ACCEPT) {
171 atomic_set_mask(ZFCP_STATUS_PORT_INVALID_WWPN, &port->status); 258 atomic_set_mask(ZFCP_STATUS_PORT_INVALID_WWPN, &port->status);
172 goto out; 259 return;
173 } 260 }
174 /* paranoia */ 261 /* paranoia */
175 if (ct_iu_req->wwpn != port->wwpn) 262 if (ct_iu_req->wwpn != port->wwpn)
176 goto out; 263 return;
177 /* looks like a valid d_id */ 264 /* looks like a valid d_id */
178 port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK; 265 port->d_id = ct_iu_resp->d_id & ZFCP_DID_MASK;
179 atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status); 266 atomic_set_mask(ZFCP_STATUS_PORT_DID_DID, &port->status);
180out:
181 mempool_free(gid_pn, port->adapter->pool.data_gid_pn);
182} 267}
183 268
184/** 269int static zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action,
185 * zfcp_fc_ns_gid_pn_request - initiate GID_PN nameserver request 270 struct zfcp_gid_pn_data *gid_pn)
186 * @erp_action: pointer to zfcp_erp_action where GID_PN request is needed
187 * return: -ENOMEM on error, 0 otherwise
188 */
189int zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action)
190{ 271{
191 int ret;
192 struct zfcp_gid_pn_data *gid_pn;
193 struct zfcp_adapter *adapter = erp_action->adapter; 272 struct zfcp_adapter *adapter = erp_action->adapter;
194 273 struct zfcp_fc_ns_handler_data compl_rec;
195 gid_pn = mempool_alloc(adapter->pool.data_gid_pn, GFP_ATOMIC); 274 int ret;
196 if (!gid_pn)
197 return -ENOMEM;
198
199 memset(gid_pn, 0, sizeof(*gid_pn));
200 275
201 /* setup parameters for send generic command */ 276 /* setup parameters for send generic command */
202 gid_pn->port = erp_action->port; 277 gid_pn->port = erp_action->port;
203 gid_pn->ct.port = adapter->nameserver_port; 278 gid_pn->ct.wka_port = &adapter->nsp;
204 gid_pn->ct.handler = zfcp_ns_gid_pn_handler; 279 gid_pn->ct.handler = zfcp_fc_ns_handler;
205 gid_pn->ct.handler_data = (unsigned long) gid_pn; 280 gid_pn->ct.handler_data = (unsigned long) &compl_rec;
206 gid_pn->ct.timeout = ZFCP_NS_GID_PN_TIMEOUT; 281 gid_pn->ct.timeout = ZFCP_NS_GID_PN_TIMEOUT;
207 gid_pn->ct.req = &gid_pn->req; 282 gid_pn->ct.req = &gid_pn->req;
208 gid_pn->ct.resp = &gid_pn->resp; 283 gid_pn->ct.resp = &gid_pn->resp;
@@ -222,10 +297,42 @@ int zfcp_fc_ns_gid_pn_request(struct zfcp_erp_action *erp_action)
222 gid_pn->ct_iu_req.header.max_res_size = ZFCP_CT_MAX_SIZE; 297 gid_pn->ct_iu_req.header.max_res_size = ZFCP_CT_MAX_SIZE;
223 gid_pn->ct_iu_req.wwpn = erp_action->port->wwpn; 298 gid_pn->ct_iu_req.wwpn = erp_action->port->wwpn;
224 299
300 init_completion(&compl_rec.done);
301 compl_rec.handler = zfcp_fc_ns_gid_pn_eval;
302 compl_rec.handler_data = (unsigned long) gid_pn;
225 ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.fsf_req_erp, 303 ret = zfcp_fsf_send_ct(&gid_pn->ct, adapter->pool.fsf_req_erp,
226 erp_action); 304 erp_action);
305 if (!ret)
306 wait_for_completion(&compl_rec.done);
307 return ret;
308}
309
310/**
311 * zfcp_fc_ns_gid_pn_request - initiate GID_PN nameserver request
312 * @erp_action: pointer to zfcp_erp_action where GID_PN request is needed
313 * return: -ENOMEM on error, 0 otherwise
314 */
315int zfcp_fc_ns_gid_pn(struct zfcp_erp_action *erp_action)
316{
317 int ret;
318 struct zfcp_gid_pn_data *gid_pn;
319 struct zfcp_adapter *adapter = erp_action->adapter;
320
321 gid_pn = mempool_alloc(adapter->pool.data_gid_pn, GFP_ATOMIC);
322 if (!gid_pn)
323 return -ENOMEM;
324
325 memset(gid_pn, 0, sizeof(*gid_pn));
326
327 ret = zfcp_wka_port_get(&adapter->nsp);
227 if (ret) 328 if (ret)
228 mempool_free(gid_pn, adapter->pool.data_gid_pn); 329 goto out;
330
331 ret = zfcp_fc_ns_gid_pn_request(erp_action, gid_pn);
332
333 zfcp_wka_port_put(&adapter->nsp);
334out:
335 mempool_free(gid_pn, adapter->pool.data_gid_pn);
229 return ret; 336 return ret;
230} 337}
231 338
@@ -255,14 +362,14 @@ struct zfcp_els_adisc {
255 struct scatterlist req; 362 struct scatterlist req;
256 struct scatterlist resp; 363 struct scatterlist resp;
257 struct zfcp_ls_adisc ls_adisc; 364 struct zfcp_ls_adisc ls_adisc;
258 struct zfcp_ls_adisc_acc ls_adisc_acc; 365 struct zfcp_ls_adisc ls_adisc_acc;
259}; 366};
260 367
261static void zfcp_fc_adisc_handler(unsigned long data) 368static void zfcp_fc_adisc_handler(unsigned long data)
262{ 369{
263 struct zfcp_els_adisc *adisc = (struct zfcp_els_adisc *) data; 370 struct zfcp_els_adisc *adisc = (struct zfcp_els_adisc *) data;
264 struct zfcp_port *port = adisc->els.port; 371 struct zfcp_port *port = adisc->els.port;
265 struct zfcp_ls_adisc_acc *ls_adisc = &adisc->ls_adisc_acc; 372 struct zfcp_ls_adisc *ls_adisc = &adisc->ls_adisc_acc;
266 373
267 if (adisc->els.status) { 374 if (adisc->els.status) {
268 /* request rejected or timed out */ 375 /* request rejected or timed out */
@@ -295,7 +402,7 @@ static int zfcp_fc_adisc(struct zfcp_port *port)
295 sg_init_one(adisc->els.req, &adisc->ls_adisc, 402 sg_init_one(adisc->els.req, &adisc->ls_adisc,
296 sizeof(struct zfcp_ls_adisc)); 403 sizeof(struct zfcp_ls_adisc));
297 sg_init_one(adisc->els.resp, &adisc->ls_adisc_acc, 404 sg_init_one(adisc->els.resp, &adisc->ls_adisc_acc,
298 sizeof(struct zfcp_ls_adisc_acc)); 405 sizeof(struct zfcp_ls_adisc));
299 406
300 adisc->els.req_count = 1; 407 adisc->els.req_count = 1;
301 adisc->els.resp_count = 1; 408 adisc->els.resp_count = 1;
@@ -338,30 +445,6 @@ void zfcp_test_link(struct zfcp_port *port)
338 zfcp_erp_port_forced_reopen(port, 0, 65, NULL); 445 zfcp_erp_port_forced_reopen(port, 0, 65, NULL);
339} 446}
340 447
341static int zfcp_scan_get_nameserver(struct zfcp_adapter *adapter)
342{
343 int ret;
344
345 if (!adapter->nameserver_port)
346 return -EINTR;
347
348 if (!atomic_test_mask(ZFCP_STATUS_COMMON_UNBLOCKED,
349 &adapter->nameserver_port->status)) {
350 ret = zfcp_erp_port_reopen(adapter->nameserver_port, 0, 148,
351 NULL);
352 if (ret)
353 return ret;
354 zfcp_erp_wait(adapter);
355 }
356 return !atomic_test_mask(ZFCP_STATUS_COMMON_UNBLOCKED,
357 &adapter->nameserver_port->status);
358}
359
360static void zfcp_gpn_ft_handler(unsigned long _done)
361{
362 complete((struct completion *)_done);
363}
364
365static void zfcp_free_sg_env(struct zfcp_gpn_ft *gpn_ft) 448static void zfcp_free_sg_env(struct zfcp_gpn_ft *gpn_ft)
366{ 449{
367 struct scatterlist *sg = &gpn_ft->sg_req; 450 struct scatterlist *sg = &gpn_ft->sg_req;
@@ -403,7 +486,7 @@ static int zfcp_scan_issue_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
403{ 486{
404 struct zfcp_send_ct *ct = &gpn_ft->ct; 487 struct zfcp_send_ct *ct = &gpn_ft->ct;
405 struct ct_iu_gpn_ft_req *req = sg_virt(&gpn_ft->sg_req); 488 struct ct_iu_gpn_ft_req *req = sg_virt(&gpn_ft->sg_req);
406 struct completion done; 489 struct zfcp_fc_ns_handler_data compl_rec;
407 int ret; 490 int ret;
408 491
409 /* prepare CT IU for GPN_FT */ 492 /* prepare CT IU for GPN_FT */
@@ -420,19 +503,20 @@ static int zfcp_scan_issue_gpn_ft(struct zfcp_gpn_ft *gpn_ft,
420 req->fc4_type = ZFCP_CT_SCSI_FCP; 503 req->fc4_type = ZFCP_CT_SCSI_FCP;
421 504
422 /* prepare zfcp_send_ct */ 505 /* prepare zfcp_send_ct */
423 ct->port = adapter->nameserver_port; 506 ct->wka_port = &adapter->nsp;
424 ct->handler = zfcp_gpn_ft_handler; 507 ct->handler = zfcp_fc_ns_handler;
425 ct->handler_data = (unsigned long)&done; 508 ct->handler_data = (unsigned long)&compl_rec;
426 ct->timeout = 10; 509 ct->timeout = 10;
427 ct->req = &gpn_ft->sg_req; 510 ct->req = &gpn_ft->sg_req;
428 ct->resp = gpn_ft->sg_resp; 511 ct->resp = gpn_ft->sg_resp;
429 ct->req_count = 1; 512 ct->req_count = 1;
430 ct->resp_count = ZFCP_GPN_FT_BUFFERS; 513 ct->resp_count = ZFCP_GPN_FT_BUFFERS;
431 514
432 init_completion(&done); 515 init_completion(&compl_rec.done);
516 compl_rec.handler = NULL;
433 ret = zfcp_fsf_send_ct(ct, NULL, NULL); 517 ret = zfcp_fsf_send_ct(ct, NULL, NULL);
434 if (!ret) 518 if (!ret)
435 wait_for_completion(&done); 519 wait_for_completion(&compl_rec.done);
436 return ret; 520 return ret;
437} 521}
438 522
@@ -442,9 +526,8 @@ static void zfcp_validate_port(struct zfcp_port *port)
442 526
443 atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status); 527 atomic_clear_mask(ZFCP_STATUS_COMMON_NOESC, &port->status);
444 528
445 if (port == adapter->nameserver_port) 529 if ((port->supported_classes != 0) ||
446 return; 530 !list_empty(&port->unit_list_head)) {
447 if ((port->supported_classes != 0) || (port->units != 0)) {
448 zfcp_port_put(port); 531 zfcp_port_put(port);
449 return; 532 return;
450 } 533 }
@@ -460,7 +543,7 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft)
460 struct scatterlist *sg = gpn_ft->sg_resp; 543 struct scatterlist *sg = gpn_ft->sg_resp;
461 struct ct_hdr *hdr = sg_virt(sg); 544 struct ct_hdr *hdr = sg_virt(sg);
462 struct gpn_ft_resp_acc *acc = sg_virt(sg); 545 struct gpn_ft_resp_acc *acc = sg_virt(sg);
463 struct zfcp_adapter *adapter = ct->port->adapter; 546 struct zfcp_adapter *adapter = ct->wka_port->adapter;
464 struct zfcp_port *port, *tmp; 547 struct zfcp_port *port, *tmp;
465 u32 d_id; 548 u32 d_id;
466 int ret = 0, x, last = 0; 549 int ret = 0, x, last = 0;
@@ -490,6 +573,9 @@ static int zfcp_scan_eval_gpn_ft(struct zfcp_gpn_ft *gpn_ft)
490 d_id = acc->port_id[0] << 16 | acc->port_id[1] << 8 | 573 d_id = acc->port_id[0] << 16 | acc->port_id[1] << 8 |
491 acc->port_id[2]; 574 acc->port_id[2];
492 575
576 /* don't attach ports with a well known address */
577 if ((d_id & ZFCP_DID_WKA) == ZFCP_DID_WKA)
578 continue;
493 /* skip the adapter's port and known remote ports */ 579 /* skip the adapter's port and known remote ports */
494 if (acc->wwpn == fc_host_port_name(adapter->scsi_host)) 580 if (acc->wwpn == fc_host_port_name(adapter->scsi_host))
495 continue; 581 continue;
@@ -528,13 +614,15 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
528 if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT) 614 if (fc_host_port_type(adapter->scsi_host) != FC_PORTTYPE_NPORT)
529 return 0; 615 return 0;
530 616
531 ret = zfcp_scan_get_nameserver(adapter); 617 ret = zfcp_wka_port_get(&adapter->nsp);
532 if (ret) 618 if (ret)
533 return ret; 619 return ret;
534 620
535 gpn_ft = zfcp_alloc_sg_env(); 621 gpn_ft = zfcp_alloc_sg_env();
536 if (!gpn_ft) 622 if (!gpn_ft) {
537 return -ENOMEM; 623 ret = -ENOMEM;
624 goto out;
625 }
538 626
539 for (i = 0; i < 3; i++) { 627 for (i = 0; i < 3; i++) {
540 ret = zfcp_scan_issue_gpn_ft(gpn_ft, adapter); 628 ret = zfcp_scan_issue_gpn_ft(gpn_ft, adapter);
@@ -547,7 +635,8 @@ int zfcp_scan_ports(struct zfcp_adapter *adapter)
547 } 635 }
548 } 636 }
549 zfcp_free_sg_env(gpn_ft); 637 zfcp_free_sg_env(gpn_ft);
550 638out:
639 zfcp_wka_port_put(&adapter->nsp);
551 return ret; 640 return ret;
552} 641}
553 642
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 49dbeb754e5f..739356a5c123 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -50,19 +50,16 @@ static u32 fsf_qtcb_type[] = {
50 [FSF_QTCB_UPLOAD_CONTROL_FILE] = FSF_SUPPORT_COMMAND 50 [FSF_QTCB_UPLOAD_CONTROL_FILE] = FSF_SUPPORT_COMMAND
51}; 51};
52 52
53static const char *zfcp_act_subtable_type[] = {
54 "unknown", "OS", "WWPN", "DID", "LUN"
55};
56
57static void zfcp_act_eval_err(struct zfcp_adapter *adapter, u32 table) 53static void zfcp_act_eval_err(struct zfcp_adapter *adapter, u32 table)
58{ 54{
59 u16 subtable = table >> 16; 55 u16 subtable = table >> 16;
60 u16 rule = table & 0xffff; 56 u16 rule = table & 0xffff;
57 const char *act_type[] = { "unknown", "OS", "WWPN", "DID", "LUN" };
61 58
62 if (subtable && subtable < ARRAY_SIZE(zfcp_act_subtable_type)) 59 if (subtable && subtable < ARRAY_SIZE(act_type))
63 dev_warn(&adapter->ccw_device->dev, 60 dev_warn(&adapter->ccw_device->dev,
64 "Access denied in subtable %s, rule %d.\n", 61 "Access denied according to ACT rule type %s, "
65 zfcp_act_subtable_type[subtable], rule); 62 "rule %d\n", act_type[subtable], rule);
66} 63}
67 64
68static void zfcp_fsf_access_denied_port(struct zfcp_fsf_req *req, 65static void zfcp_fsf_access_denied_port(struct zfcp_fsf_req *req,
@@ -70,8 +67,8 @@ static void zfcp_fsf_access_denied_port(struct zfcp_fsf_req *req,
70{ 67{
71 struct fsf_qtcb_header *header = &req->qtcb->header; 68 struct fsf_qtcb_header *header = &req->qtcb->header;
72 dev_warn(&req->adapter->ccw_device->dev, 69 dev_warn(&req->adapter->ccw_device->dev,
73 "Access denied, cannot send command to port 0x%016Lx.\n", 70 "Access denied to port 0x%016Lx\n",
74 port->wwpn); 71 (unsigned long long)port->wwpn);
75 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[0]); 72 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[0]);
76 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[1]); 73 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[1]);
77 zfcp_erp_port_access_denied(port, 55, req); 74 zfcp_erp_port_access_denied(port, 55, req);
@@ -83,8 +80,9 @@ static void zfcp_fsf_access_denied_unit(struct zfcp_fsf_req *req,
83{ 80{
84 struct fsf_qtcb_header *header = &req->qtcb->header; 81 struct fsf_qtcb_header *header = &req->qtcb->header;
85 dev_warn(&req->adapter->ccw_device->dev, 82 dev_warn(&req->adapter->ccw_device->dev,
86 "Access denied for unit 0x%016Lx on port 0x%016Lx.\n", 83 "Access denied to unit 0x%016Lx on port 0x%016Lx\n",
87 unit->fcp_lun, unit->port->wwpn); 84 (unsigned long long)unit->fcp_lun,
85 (unsigned long long)unit->port->wwpn);
88 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[0]); 86 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[0]);
89 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[1]); 87 zfcp_act_eval_err(req->adapter, header->fsf_status_qual.halfword[1]);
90 zfcp_erp_unit_access_denied(unit, 59, req); 88 zfcp_erp_unit_access_denied(unit, 59, req);
@@ -93,9 +91,8 @@ static void zfcp_fsf_access_denied_unit(struct zfcp_fsf_req *req,
93 91
94static void zfcp_fsf_class_not_supp(struct zfcp_fsf_req *req) 92static void zfcp_fsf_class_not_supp(struct zfcp_fsf_req *req)
95{ 93{
96 dev_err(&req->adapter->ccw_device->dev, 94 dev_err(&req->adapter->ccw_device->dev, "FCP device not "
97 "Required FC class not supported by adapter, " 95 "operational because of an unsupported FC class\n");
98 "shutting down adapter.\n");
99 zfcp_erp_adapter_shutdown(req->adapter, 0, 123, req); 96 zfcp_erp_adapter_shutdown(req->adapter, 0, 123, req);
100 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 97 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
101} 98}
@@ -171,42 +168,6 @@ static void zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *req)
171 read_unlock_irqrestore(&zfcp_data.config_lock, flags); 168 read_unlock_irqrestore(&zfcp_data.config_lock, flags);
172} 169}
173 170
174static void zfcp_fsf_bit_error_threshold(struct zfcp_fsf_req *req)
175{
176 struct zfcp_adapter *adapter = req->adapter;
177 struct fsf_status_read_buffer *sr_buf = req->data;
178 struct fsf_bit_error_payload *err = &sr_buf->payload.bit_error;
179
180 dev_warn(&adapter->ccw_device->dev,
181 "Warning: bit error threshold data "
182 "received for the adapter: "
183 "link failures = %i, loss of sync errors = %i, "
184 "loss of signal errors = %i, "
185 "primitive sequence errors = %i, "
186 "invalid transmission word errors = %i, "
187 "CRC errors = %i).\n",
188 err->link_failure_error_count,
189 err->loss_of_sync_error_count,
190 err->loss_of_signal_error_count,
191 err->primitive_sequence_error_count,
192 err->invalid_transmission_word_error_count,
193 err->crc_error_count);
194 dev_warn(&adapter->ccw_device->dev,
195 "Additional bit error threshold data of the adapter: "
196 "primitive sequence event time-outs = %i, "
197 "elastic buffer overrun errors = %i, "
198 "advertised receive buffer-to-buffer credit = %i, "
199 "current receice buffer-to-buffer credit = %i, "
200 "advertised transmit buffer-to-buffer credit = %i, "
201 "current transmit buffer-to-buffer credit = %i).\n",
202 err->primitive_sequence_event_timeout_count,
203 err->elastic_buffer_overrun_error_count,
204 err->advertised_receive_b2b_credit,
205 err->current_receive_b2b_credit,
206 err->advertised_transmit_b2b_credit,
207 err->current_transmit_b2b_credit);
208}
209
210static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, u8 id, 171static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, u8 id,
211 struct fsf_link_down_info *link_down) 172 struct fsf_link_down_info *link_down)
212{ 173{
@@ -223,62 +184,66 @@ static void zfcp_fsf_link_down_info_eval(struct zfcp_fsf_req *req, u8 id,
223 switch (link_down->error_code) { 184 switch (link_down->error_code) {
224 case FSF_PSQ_LINK_NO_LIGHT: 185 case FSF_PSQ_LINK_NO_LIGHT:
225 dev_warn(&req->adapter->ccw_device->dev, 186 dev_warn(&req->adapter->ccw_device->dev,
226 "The local link is down: no light detected.\n"); 187 "There is no light signal from the local "
188 "fibre channel cable\n");
227 break; 189 break;
228 case FSF_PSQ_LINK_WRAP_PLUG: 190 case FSF_PSQ_LINK_WRAP_PLUG:
229 dev_warn(&req->adapter->ccw_device->dev, 191 dev_warn(&req->adapter->ccw_device->dev,
230 "The local link is down: wrap plug detected.\n"); 192 "There is a wrap plug instead of a fibre "
193 "channel cable\n");
231 break; 194 break;
232 case FSF_PSQ_LINK_NO_FCP: 195 case FSF_PSQ_LINK_NO_FCP:
233 dev_warn(&req->adapter->ccw_device->dev, 196 dev_warn(&req->adapter->ccw_device->dev,
234 "The local link is down: " 197 "The adjacent fibre channel node does not "
235 "adjacent node on link does not support FCP.\n"); 198 "support FCP\n");
236 break; 199 break;
237 case FSF_PSQ_LINK_FIRMWARE_UPDATE: 200 case FSF_PSQ_LINK_FIRMWARE_UPDATE:
238 dev_warn(&req->adapter->ccw_device->dev, 201 dev_warn(&req->adapter->ccw_device->dev,
239 "The local link is down: " 202 "The FCP device is suspended because of a "
240 "firmware update in progress.\n"); 203 "firmware update\n");
241 break; 204 break;
242 case FSF_PSQ_LINK_INVALID_WWPN: 205 case FSF_PSQ_LINK_INVALID_WWPN:
243 dev_warn(&req->adapter->ccw_device->dev, 206 dev_warn(&req->adapter->ccw_device->dev,
244 "The local link is down: " 207 "The FCP device detected a WWPN that is "
245 "duplicate or invalid WWPN detected.\n"); 208 "duplicate or not valid\n");
246 break; 209 break;
247 case FSF_PSQ_LINK_NO_NPIV_SUPPORT: 210 case FSF_PSQ_LINK_NO_NPIV_SUPPORT:
248 dev_warn(&req->adapter->ccw_device->dev, 211 dev_warn(&req->adapter->ccw_device->dev,
249 "The local link is down: " 212 "The fibre channel fabric does not support NPIV\n");
250 "no support for NPIV by Fabric.\n");
251 break; 213 break;
252 case FSF_PSQ_LINK_NO_FCP_RESOURCES: 214 case FSF_PSQ_LINK_NO_FCP_RESOURCES:
253 dev_warn(&req->adapter->ccw_device->dev, 215 dev_warn(&req->adapter->ccw_device->dev,
254 "The local link is down: " 216 "The FCP adapter cannot support more NPIV ports\n");
255 "out of resource in FCP daughtercard.\n");
256 break; 217 break;
257 case FSF_PSQ_LINK_NO_FABRIC_RESOURCES: 218 case FSF_PSQ_LINK_NO_FABRIC_RESOURCES:
258 dev_warn(&req->adapter->ccw_device->dev, 219 dev_warn(&req->adapter->ccw_device->dev,
259 "The local link is down: " 220 "The adjacent switch cannot support "
260 "out of resource in Fabric.\n"); 221 "more NPIV ports\n");
261 break; 222 break;
262 case FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE: 223 case FSF_PSQ_LINK_FABRIC_LOGIN_UNABLE:
263 dev_warn(&req->adapter->ccw_device->dev, 224 dev_warn(&req->adapter->ccw_device->dev,
264 "The local link is down: " 225 "The FCP adapter could not log in to the "
265 "unable to login to Fabric.\n"); 226 "fibre channel fabric\n");
266 break; 227 break;
267 case FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED: 228 case FSF_PSQ_LINK_WWPN_ASSIGNMENT_CORRUPTED:
268 dev_warn(&req->adapter->ccw_device->dev, 229 dev_warn(&req->adapter->ccw_device->dev,
269 "WWPN assignment file corrupted on adapter.\n"); 230 "The WWPN assignment file on the FCP adapter "
231 "has been damaged\n");
270 break; 232 break;
271 case FSF_PSQ_LINK_MODE_TABLE_CURRUPTED: 233 case FSF_PSQ_LINK_MODE_TABLE_CURRUPTED:
272 dev_warn(&req->adapter->ccw_device->dev, 234 dev_warn(&req->adapter->ccw_device->dev,
273 "Mode table corrupted on adapter.\n"); 235 "The mode table on the FCP adapter "
236 "has been damaged\n");
274 break; 237 break;
275 case FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT: 238 case FSF_PSQ_LINK_NO_WWPN_ASSIGNMENT:
276 dev_warn(&req->adapter->ccw_device->dev, 239 dev_warn(&req->adapter->ccw_device->dev,
277 "No WWPN for assignment table on adapter.\n"); 240 "All NPIV ports on the FCP adapter have "
241 "been assigned\n");
278 break; 242 break;
279 default: 243 default:
280 dev_warn(&req->adapter->ccw_device->dev, 244 dev_warn(&req->adapter->ccw_device->dev,
281 "The local link to adapter is down.\n"); 245 "The link between the FCP adapter and "
246 "the FC fabric is down\n");
282 } 247 }
283out: 248out:
284 zfcp_erp_adapter_failed(adapter, id, req); 249 zfcp_erp_adapter_failed(adapter, id, req);
@@ -286,27 +251,18 @@ out:
286 251
287static void zfcp_fsf_status_read_link_down(struct zfcp_fsf_req *req) 252static void zfcp_fsf_status_read_link_down(struct zfcp_fsf_req *req)
288{ 253{
289 struct zfcp_adapter *adapter = req->adapter;
290 struct fsf_status_read_buffer *sr_buf = req->data; 254 struct fsf_status_read_buffer *sr_buf = req->data;
291 struct fsf_link_down_info *ldi = 255 struct fsf_link_down_info *ldi =
292 (struct fsf_link_down_info *) &sr_buf->payload; 256 (struct fsf_link_down_info *) &sr_buf->payload;
293 257
294 switch (sr_buf->status_subtype) { 258 switch (sr_buf->status_subtype) {
295 case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK: 259 case FSF_STATUS_READ_SUB_NO_PHYSICAL_LINK:
296 dev_warn(&adapter->ccw_device->dev,
297 "Physical link is down.\n");
298 zfcp_fsf_link_down_info_eval(req, 38, ldi); 260 zfcp_fsf_link_down_info_eval(req, 38, ldi);
299 break; 261 break;
300 case FSF_STATUS_READ_SUB_FDISC_FAILED: 262 case FSF_STATUS_READ_SUB_FDISC_FAILED:
301 dev_warn(&adapter->ccw_device->dev,
302 "Local link is down "
303 "due to failed FDISC login.\n");
304 zfcp_fsf_link_down_info_eval(req, 39, ldi); 263 zfcp_fsf_link_down_info_eval(req, 39, ldi);
305 break; 264 break;
306 case FSF_STATUS_READ_SUB_FIRMWARE_UPDATE: 265 case FSF_STATUS_READ_SUB_FIRMWARE_UPDATE:
307 dev_warn(&adapter->ccw_device->dev,
308 "Local link is down "
309 "due to firmware update on adapter.\n");
310 zfcp_fsf_link_down_info_eval(req, 40, NULL); 266 zfcp_fsf_link_down_info_eval(req, 40, NULL);
311 }; 267 };
312} 268}
@@ -335,14 +291,17 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
335 case FSF_STATUS_READ_SENSE_DATA_AVAIL: 291 case FSF_STATUS_READ_SENSE_DATA_AVAIL:
336 break; 292 break;
337 case FSF_STATUS_READ_BIT_ERROR_THRESHOLD: 293 case FSF_STATUS_READ_BIT_ERROR_THRESHOLD:
338 zfcp_fsf_bit_error_threshold(req); 294 dev_warn(&adapter->ccw_device->dev,
295 "The error threshold for checksum statistics "
296 "has been exceeded\n");
297 zfcp_hba_dbf_event_berr(adapter, req);
339 break; 298 break;
340 case FSF_STATUS_READ_LINK_DOWN: 299 case FSF_STATUS_READ_LINK_DOWN:
341 zfcp_fsf_status_read_link_down(req); 300 zfcp_fsf_status_read_link_down(req);
342 break; 301 break;
343 case FSF_STATUS_READ_LINK_UP: 302 case FSF_STATUS_READ_LINK_UP:
344 dev_info(&adapter->ccw_device->dev, 303 dev_info(&adapter->ccw_device->dev,
345 "Local link was replugged.\n"); 304 "The local link has been restored\n");
346 /* All ports should be marked as ready to run again */ 305 /* All ports should be marked as ready to run again */
347 zfcp_erp_modify_adapter_status(adapter, 30, NULL, 306 zfcp_erp_modify_adapter_status(adapter, 30, NULL,
348 ZFCP_STATUS_COMMON_RUNNING, 307 ZFCP_STATUS_COMMON_RUNNING,
@@ -370,7 +329,7 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req)
370 zfcp_fsf_req_free(req); 329 zfcp_fsf_req_free(req);
371 330
372 atomic_inc(&adapter->stat_miss); 331 atomic_inc(&adapter->stat_miss);
373 schedule_work(&adapter->stat_work); 332 queue_work(zfcp_data.work_queue, &adapter->stat_work);
374} 333}
375 334
376static void zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *req) 335static void zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *req)
@@ -386,8 +345,8 @@ static void zfcp_fsf_fsfstatus_qual_eval(struct zfcp_fsf_req *req)
386 break; 345 break;
387 case FSF_SQ_NO_RECOM: 346 case FSF_SQ_NO_RECOM:
388 dev_err(&req->adapter->ccw_device->dev, 347 dev_err(&req->adapter->ccw_device->dev,
389 "No recommendation could be given for a " 348 "The FCP adapter reported a problem "
390 "problem on the adapter.\n"); 349 "that cannot be recovered\n");
391 zfcp_erp_adapter_shutdown(req->adapter, 0, 121, req); 350 zfcp_erp_adapter_shutdown(req->adapter, 0, 121, req);
392 break; 351 break;
393 } 352 }
@@ -403,8 +362,7 @@ static void zfcp_fsf_fsfstatus_eval(struct zfcp_fsf_req *req)
403 switch (req->qtcb->header.fsf_status) { 362 switch (req->qtcb->header.fsf_status) {
404 case FSF_UNKNOWN_COMMAND: 363 case FSF_UNKNOWN_COMMAND:
405 dev_err(&req->adapter->ccw_device->dev, 364 dev_err(&req->adapter->ccw_device->dev,
406 "Command issued by the device driver (0x%x) is " 365 "The FCP adapter does not recognize the command 0x%x\n",
407 "not known by the adapter.\n",
408 req->qtcb->header.fsf_command); 366 req->qtcb->header.fsf_command);
409 zfcp_erp_adapter_shutdown(req->adapter, 0, 120, req); 367 zfcp_erp_adapter_shutdown(req->adapter, 0, 120, req);
410 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 368 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
@@ -435,11 +393,9 @@ static void zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *req)
435 return; 393 return;
436 case FSF_PROT_QTCB_VERSION_ERROR: 394 case FSF_PROT_QTCB_VERSION_ERROR:
437 dev_err(&adapter->ccw_device->dev, 395 dev_err(&adapter->ccw_device->dev,
438 "The QTCB version requested by zfcp (0x%x) is not " 396 "QTCB version 0x%x not supported by FCP adapter "
439 "supported by the FCP adapter (lowest supported " 397 "(0x%x to 0x%x)\n", FSF_QTCB_CURRENT_VERSION,
440 "0x%x, highest supported 0x%x).\n", 398 psq->word[0], psq->word[1]);
441 FSF_QTCB_CURRENT_VERSION, psq->word[0],
442 psq->word[1]);
443 zfcp_erp_adapter_shutdown(adapter, 0, 117, req); 399 zfcp_erp_adapter_shutdown(adapter, 0, 117, req);
444 break; 400 break;
445 case FSF_PROT_ERROR_STATE: 401 case FSF_PROT_ERROR_STATE:
@@ -449,8 +405,7 @@ static void zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *req)
449 break; 405 break;
450 case FSF_PROT_UNSUPP_QTCB_TYPE: 406 case FSF_PROT_UNSUPP_QTCB_TYPE:
451 dev_err(&adapter->ccw_device->dev, 407 dev_err(&adapter->ccw_device->dev,
452 "Packet header type used by the device driver is " 408 "The QTCB type is not supported by the FCP adapter\n");
453 "incompatible with that used on the adapter.\n");
454 zfcp_erp_adapter_shutdown(adapter, 0, 118, req); 409 zfcp_erp_adapter_shutdown(adapter, 0, 118, req);
455 break; 410 break;
456 case FSF_PROT_HOST_CONNECTION_INITIALIZING: 411 case FSF_PROT_HOST_CONNECTION_INITIALIZING:
@@ -459,7 +414,7 @@ static void zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *req)
459 break; 414 break;
460 case FSF_PROT_DUPLICATE_REQUEST_ID: 415 case FSF_PROT_DUPLICATE_REQUEST_ID:
461 dev_err(&adapter->ccw_device->dev, 416 dev_err(&adapter->ccw_device->dev,
462 "The request identifier 0x%Lx is ambiguous.\n", 417 "0x%Lx is an ambiguous request identifier\n",
463 (unsigned long long)qtcb->bottom.support.req_handle); 418 (unsigned long long)qtcb->bottom.support.req_handle);
464 zfcp_erp_adapter_shutdown(adapter, 0, 78, req); 419 zfcp_erp_adapter_shutdown(adapter, 0, 78, req);
465 break; 420 break;
@@ -479,9 +434,7 @@ static void zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *req)
479 break; 434 break;
480 default: 435 default:
481 dev_err(&adapter->ccw_device->dev, 436 dev_err(&adapter->ccw_device->dev,
482 "Transfer protocol status information" 437 "0x%x is not a valid transfer protocol status\n",
483 "provided by the adapter (0x%x) "
484 "is not compatible with the device driver.\n",
485 qtcb->prefix.prot_status); 438 qtcb->prefix.prot_status);
486 zfcp_erp_adapter_shutdown(adapter, 0, 119, req); 439 zfcp_erp_adapter_shutdown(adapter, 0, 119, req);
487 } 440 }
@@ -559,33 +512,17 @@ static int zfcp_fsf_exchange_config_evaluate(struct zfcp_fsf_req *req)
559 adapter->peer_wwpn = bottom->plogi_payload.wwpn; 512 adapter->peer_wwpn = bottom->plogi_payload.wwpn;
560 adapter->peer_wwnn = bottom->plogi_payload.wwnn; 513 adapter->peer_wwnn = bottom->plogi_payload.wwnn;
561 fc_host_port_type(shost) = FC_PORTTYPE_PTP; 514 fc_host_port_type(shost) = FC_PORTTYPE_PTP;
562 if (req->erp_action)
563 dev_info(&adapter->ccw_device->dev,
564 "Point-to-Point fibrechannel "
565 "configuration detected.\n");
566 break; 515 break;
567 case FSF_TOPO_FABRIC: 516 case FSF_TOPO_FABRIC:
568 fc_host_port_type(shost) = FC_PORTTYPE_NPORT; 517 fc_host_port_type(shost) = FC_PORTTYPE_NPORT;
569 if (req->erp_action)
570 dev_info(&adapter->ccw_device->dev,
571 "Switched fabric fibrechannel "
572 "network detected.\n");
573 break; 518 break;
574 case FSF_TOPO_AL: 519 case FSF_TOPO_AL:
575 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT; 520 fc_host_port_type(shost) = FC_PORTTYPE_NLPORT;
576 dev_err(&adapter->ccw_device->dev,
577 "Unsupported arbitrated loop fibrechannel "
578 "topology detected, shutting down "
579 "adapter.\n");
580 zfcp_erp_adapter_shutdown(adapter, 0, 127, req);
581 return -EIO;
582 default: 521 default:
583 fc_host_port_type(shost) = FC_PORTTYPE_UNKNOWN;
584 dev_err(&adapter->ccw_device->dev, 522 dev_err(&adapter->ccw_device->dev,
585 "The fibrechannel topology reported by the" 523 "Unknown or unsupported arbitrated loop "
586 " adapter is not known by the zfcp driver," 524 "fibre channel topology detected\n");
587 " shutting down adapter.\n"); 525 zfcp_erp_adapter_shutdown(adapter, 0, 127, req);
588 zfcp_erp_adapter_shutdown(adapter, 0, 128, req);
589 return -EIO; 526 return -EIO;
590 } 527 }
591 528
@@ -616,11 +553,9 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req)
616 553
617 if (bottom->max_qtcb_size < sizeof(struct fsf_qtcb)) { 554 if (bottom->max_qtcb_size < sizeof(struct fsf_qtcb)) {
618 dev_err(&adapter->ccw_device->dev, 555 dev_err(&adapter->ccw_device->dev,
619 "Maximum QTCB size (%d bytes) allowed by " 556 "FCP adapter maximum QTCB size (%d bytes) "
620 "the adapter is lower than the minimum " 557 "is too small\n",
621 "required by the driver (%ld bytes).\n", 558 bottom->max_qtcb_size);
622 bottom->max_qtcb_size,
623 sizeof(struct fsf_qtcb));
624 zfcp_erp_adapter_shutdown(adapter, 0, 129, req); 559 zfcp_erp_adapter_shutdown(adapter, 0, 129, req);
625 return; 560 return;
626 } 561 }
@@ -656,15 +591,15 @@ static void zfcp_fsf_exchange_config_data_handler(struct zfcp_fsf_req *req)
656 591
657 if (FSF_QTCB_CURRENT_VERSION < bottom->low_qtcb_version) { 592 if (FSF_QTCB_CURRENT_VERSION < bottom->low_qtcb_version) {
658 dev_err(&adapter->ccw_device->dev, 593 dev_err(&adapter->ccw_device->dev,
659 "The adapter only supports newer control block " 594 "The FCP adapter only supports newer "
660 "versions, try updated device driver.\n"); 595 "control block versions\n");
661 zfcp_erp_adapter_shutdown(adapter, 0, 125, req); 596 zfcp_erp_adapter_shutdown(adapter, 0, 125, req);
662 return; 597 return;
663 } 598 }
664 if (FSF_QTCB_CURRENT_VERSION > bottom->high_qtcb_version) { 599 if (FSF_QTCB_CURRENT_VERSION > bottom->high_qtcb_version) {
665 dev_err(&adapter->ccw_device->dev, 600 dev_err(&adapter->ccw_device->dev,
666 "The adapter only supports older control block " 601 "The FCP adapter only supports older "
667 "versions, consider a microcode upgrade.\n"); 602 "control block versions\n");
668 zfcp_erp_adapter_shutdown(adapter, 0, 126, req); 603 zfcp_erp_adapter_shutdown(adapter, 0, 126, req);
669 } 604 }
670} 605}
@@ -688,7 +623,6 @@ static void zfcp_fsf_exchange_port_evaluate(struct zfcp_fsf_req *req)
688 623
689static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req) 624static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
690{ 625{
691 struct zfcp_adapter *adapter = req->adapter;
692 struct fsf_qtcb *qtcb = req->qtcb; 626 struct fsf_qtcb *qtcb = req->qtcb;
693 627
694 if (req->status & ZFCP_STATUS_FSFREQ_ERROR) 628 if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
@@ -697,38 +631,47 @@ static void zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *req)
697 switch (qtcb->header.fsf_status) { 631 switch (qtcb->header.fsf_status) {
698 case FSF_GOOD: 632 case FSF_GOOD:
699 zfcp_fsf_exchange_port_evaluate(req); 633 zfcp_fsf_exchange_port_evaluate(req);
700 atomic_set_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
701 break; 634 break;
702 case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE: 635 case FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE:
703 zfcp_fsf_exchange_port_evaluate(req); 636 zfcp_fsf_exchange_port_evaluate(req);
704 atomic_set_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status);
705 zfcp_fsf_link_down_info_eval(req, 43, 637 zfcp_fsf_link_down_info_eval(req, 43,
706 &qtcb->header.fsf_status_qual.link_down_info); 638 &qtcb->header.fsf_status_qual.link_down_info);
707 break; 639 break;
708 } 640 }
709} 641}
710 642
711static int zfcp_fsf_sbal_check(struct zfcp_qdio_queue *queue) 643static int zfcp_fsf_sbal_check(struct zfcp_adapter *adapter)
712{ 644{
713 spin_lock_bh(&queue->lock); 645 struct zfcp_qdio_queue *req_q = &adapter->req_q;
714 if (atomic_read(&queue->count)) 646
647 spin_lock_bh(&adapter->req_q_lock);
648 if (atomic_read(&req_q->count))
715 return 1; 649 return 1;
716 spin_unlock_bh(&queue->lock); 650 spin_unlock_bh(&adapter->req_q_lock);
717 return 0; 651 return 0;
718} 652}
719 653
654static int zfcp_fsf_sbal_available(struct zfcp_adapter *adapter)
655{
656 unsigned int count = atomic_read(&adapter->req_q.count);
657 if (!count)
658 atomic_inc(&adapter->qdio_outb_full);
659 return count > 0;
660}
661
720static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter) 662static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter)
721{ 663{
722 long ret; 664 long ret;
723 struct zfcp_qdio_queue *req_q = &adapter->req_q;
724 665
725 spin_unlock_bh(&req_q->lock); 666 spin_unlock_bh(&adapter->req_q_lock);
726 ret = wait_event_interruptible_timeout(adapter->request_wq, 667 ret = wait_event_interruptible_timeout(adapter->request_wq,
727 zfcp_fsf_sbal_check(req_q), 5 * HZ); 668 zfcp_fsf_sbal_check(adapter), 5 * HZ);
728 if (ret > 0) 669 if (ret > 0)
729 return 0; 670 return 0;
671 if (!ret)
672 atomic_inc(&adapter->qdio_outb_full);
730 673
731 spin_lock_bh(&req_q->lock); 674 spin_lock_bh(&adapter->req_q_lock);
732 return -EIO; 675 return -EIO;
733} 676}
734 677
@@ -765,7 +708,7 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter,
765 u32 fsf_cmd, int req_flags, 708 u32 fsf_cmd, int req_flags,
766 mempool_t *pool) 709 mempool_t *pool)
767{ 710{
768 volatile struct qdio_buffer_element *sbale; 711 struct qdio_buffer_element *sbale;
769 712
770 struct zfcp_fsf_req *req; 713 struct zfcp_fsf_req *req;
771 struct zfcp_qdio_queue *req_q = &adapter->req_q; 714 struct zfcp_qdio_queue *req_q = &adapter->req_q;
@@ -867,10 +810,10 @@ int zfcp_fsf_status_read(struct zfcp_adapter *adapter)
867{ 810{
868 struct zfcp_fsf_req *req; 811 struct zfcp_fsf_req *req;
869 struct fsf_status_read_buffer *sr_buf; 812 struct fsf_status_read_buffer *sr_buf;
870 volatile struct qdio_buffer_element *sbale; 813 struct qdio_buffer_element *sbale;
871 int retval = -EIO; 814 int retval = -EIO;
872 815
873 spin_lock_bh(&adapter->req_q.lock); 816 spin_lock_bh(&adapter->req_q_lock);
874 if (zfcp_fsf_req_sbal_get(adapter)) 817 if (zfcp_fsf_req_sbal_get(adapter))
875 goto out; 818 goto out;
876 819
@@ -910,7 +853,7 @@ failed_buf:
910 zfcp_fsf_req_free(req); 853 zfcp_fsf_req_free(req);
911 zfcp_hba_dbf_event_fsf_unsol("fail", adapter, NULL); 854 zfcp_hba_dbf_event_fsf_unsol("fail", adapter, NULL);
912out: 855out:
913 spin_unlock_bh(&adapter->req_q.lock); 856 spin_unlock_bh(&adapter->req_q_lock);
914 return retval; 857 return retval;
915} 858}
916 859
@@ -980,11 +923,11 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
980 struct zfcp_unit *unit, 923 struct zfcp_unit *unit,
981 int req_flags) 924 int req_flags)
982{ 925{
983 volatile struct qdio_buffer_element *sbale; 926 struct qdio_buffer_element *sbale;
984 struct zfcp_fsf_req *req = NULL; 927 struct zfcp_fsf_req *req = NULL;
985 928
986 spin_lock(&adapter->req_q.lock); 929 spin_lock(&adapter->req_q_lock);
987 if (!atomic_read(&adapter->req_q.count)) 930 if (!zfcp_fsf_sbal_available(adapter))
988 goto out; 931 goto out;
989 req = zfcp_fsf_req_create(adapter, FSF_QTCB_ABORT_FCP_CMND, 932 req = zfcp_fsf_req_create(adapter, FSF_QTCB_ABORT_FCP_CMND,
990 req_flags, adapter->pool.fsf_req_abort); 933 req_flags, adapter->pool.fsf_req_abort);
@@ -1013,7 +956,7 @@ out_error_free:
1013 zfcp_fsf_req_free(req); 956 zfcp_fsf_req_free(req);
1014 req = NULL; 957 req = NULL;
1015out: 958out:
1016 spin_unlock(&adapter->req_q.lock); 959 spin_unlock(&adapter->req_q_lock);
1017 return req; 960 return req;
1018} 961}
1019 962
@@ -1021,7 +964,6 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req)
1021{ 964{
1022 struct zfcp_adapter *adapter = req->adapter; 965 struct zfcp_adapter *adapter = req->adapter;
1023 struct zfcp_send_ct *send_ct = req->data; 966 struct zfcp_send_ct *send_ct = req->data;
1024 struct zfcp_port *port = send_ct->port;
1025 struct fsf_qtcb_header *header = &req->qtcb->header; 967 struct fsf_qtcb_header *header = &req->qtcb->header;
1026 968
1027 send_ct->status = -EINVAL; 969 send_ct->status = -EINVAL;
@@ -1040,17 +982,14 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req)
1040 case FSF_ADAPTER_STATUS_AVAILABLE: 982 case FSF_ADAPTER_STATUS_AVAILABLE:
1041 switch (header->fsf_status_qual.word[0]){ 983 switch (header->fsf_status_qual.word[0]){
1042 case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE: 984 case FSF_SQ_INVOKE_LINK_TEST_PROCEDURE:
1043 zfcp_test_link(port);
1044 case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED: 985 case FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED:
1045 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 986 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1046 break; 987 break;
1047 } 988 }
1048 break; 989 break;
1049 case FSF_ACCESS_DENIED: 990 case FSF_ACCESS_DENIED:
1050 zfcp_fsf_access_denied_port(req, port);
1051 break; 991 break;
1052 case FSF_PORT_BOXED: 992 case FSF_PORT_BOXED:
1053 zfcp_erp_port_boxed(port, 49, req);
1054 req->status |= ZFCP_STATUS_FSFREQ_ERROR | 993 req->status |= ZFCP_STATUS_FSFREQ_ERROR |
1055 ZFCP_STATUS_FSFREQ_RETRY; 994 ZFCP_STATUS_FSFREQ_RETRY;
1056 break; 995 break;
@@ -1101,12 +1040,12 @@ static int zfcp_fsf_setup_sbals(struct zfcp_fsf_req *req,
1101int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool, 1040int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool,
1102 struct zfcp_erp_action *erp_action) 1041 struct zfcp_erp_action *erp_action)
1103{ 1042{
1104 struct zfcp_port *port = ct->port; 1043 struct zfcp_wka_port *wka_port = ct->wka_port;
1105 struct zfcp_adapter *adapter = port->adapter; 1044 struct zfcp_adapter *adapter = wka_port->adapter;
1106 struct zfcp_fsf_req *req; 1045 struct zfcp_fsf_req *req;
1107 int ret = -EIO; 1046 int ret = -EIO;
1108 1047
1109 spin_lock_bh(&adapter->req_q.lock); 1048 spin_lock_bh(&adapter->req_q_lock);
1110 if (zfcp_fsf_req_sbal_get(adapter)) 1049 if (zfcp_fsf_req_sbal_get(adapter))
1111 goto out; 1050 goto out;
1112 1051
@@ -1123,7 +1062,7 @@ int zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool,
1123 goto failed_send; 1062 goto failed_send;
1124 1063
1125 req->handler = zfcp_fsf_send_ct_handler; 1064 req->handler = zfcp_fsf_send_ct_handler;
1126 req->qtcb->header.port_handle = port->handle; 1065 req->qtcb->header.port_handle = wka_port->handle;
1127 req->qtcb->bottom.support.service_class = FSF_CLASS_3; 1066 req->qtcb->bottom.support.service_class = FSF_CLASS_3;
1128 req->qtcb->bottom.support.timeout = ct->timeout; 1067 req->qtcb->bottom.support.timeout = ct->timeout;
1129 req->data = ct; 1068 req->data = ct;
@@ -1148,7 +1087,7 @@ failed_send:
1148 if (erp_action) 1087 if (erp_action)
1149 erp_action->fsf_req = NULL; 1088 erp_action->fsf_req = NULL;
1150out: 1089out:
1151 spin_unlock_bh(&adapter->req_q.lock); 1090 spin_unlock_bh(&adapter->req_q_lock);
1152 return ret; 1091 return ret;
1153} 1092}
1154 1093
@@ -1218,8 +1157,8 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els)
1218 ZFCP_STATUS_COMMON_UNBLOCKED))) 1157 ZFCP_STATUS_COMMON_UNBLOCKED)))
1219 return -EBUSY; 1158 return -EBUSY;
1220 1159
1221 spin_lock(&adapter->req_q.lock); 1160 spin_lock(&adapter->req_q_lock);
1222 if (!atomic_read(&adapter->req_q.count)) 1161 if (!zfcp_fsf_sbal_available(adapter))
1223 goto out; 1162 goto out;
1224 req = zfcp_fsf_req_create(adapter, FSF_QTCB_SEND_ELS, 1163 req = zfcp_fsf_req_create(adapter, FSF_QTCB_SEND_ELS,
1225 ZFCP_REQ_AUTO_CLEANUP, NULL); 1164 ZFCP_REQ_AUTO_CLEANUP, NULL);
@@ -1228,8 +1167,8 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els)
1228 goto out; 1167 goto out;
1229 } 1168 }
1230 1169
1231 ret = zfcp_fsf_setup_sbals(req, els->req, els->resp, 1170 ret = zfcp_fsf_setup_sbals(req, els->req, els->resp, 2);
1232 FSF_MAX_SBALS_PER_ELS_REQ); 1171
1233 if (ret) 1172 if (ret)
1234 goto failed_send; 1173 goto failed_send;
1235 1174
@@ -1252,19 +1191,19 @@ int zfcp_fsf_send_els(struct zfcp_send_els *els)
1252failed_send: 1191failed_send:
1253 zfcp_fsf_req_free(req); 1192 zfcp_fsf_req_free(req);
1254out: 1193out:
1255 spin_unlock(&adapter->req_q.lock); 1194 spin_unlock(&adapter->req_q_lock);
1256 return ret; 1195 return ret;
1257} 1196}
1258 1197
1259int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action) 1198int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
1260{ 1199{
1261 volatile struct qdio_buffer_element *sbale; 1200 struct qdio_buffer_element *sbale;
1262 struct zfcp_fsf_req *req; 1201 struct zfcp_fsf_req *req;
1263 struct zfcp_adapter *adapter = erp_action->adapter; 1202 struct zfcp_adapter *adapter = erp_action->adapter;
1264 int retval = -EIO; 1203 int retval = -EIO;
1265 1204
1266 spin_lock_bh(&adapter->req_q.lock); 1205 spin_lock_bh(&adapter->req_q_lock);
1267 if (!atomic_read(&adapter->req_q.count)) 1206 if (!zfcp_fsf_sbal_available(adapter))
1268 goto out; 1207 goto out;
1269 req = zfcp_fsf_req_create(adapter, 1208 req = zfcp_fsf_req_create(adapter,
1270 FSF_QTCB_EXCHANGE_CONFIG_DATA, 1209 FSF_QTCB_EXCHANGE_CONFIG_DATA,
@@ -1295,18 +1234,18 @@ int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
1295 erp_action->fsf_req = NULL; 1234 erp_action->fsf_req = NULL;
1296 } 1235 }
1297out: 1236out:
1298 spin_unlock_bh(&adapter->req_q.lock); 1237 spin_unlock_bh(&adapter->req_q_lock);
1299 return retval; 1238 return retval;
1300} 1239}
1301 1240
1302int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter, 1241int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
1303 struct fsf_qtcb_bottom_config *data) 1242 struct fsf_qtcb_bottom_config *data)
1304{ 1243{
1305 volatile struct qdio_buffer_element *sbale; 1244 struct qdio_buffer_element *sbale;
1306 struct zfcp_fsf_req *req = NULL; 1245 struct zfcp_fsf_req *req = NULL;
1307 int retval = -EIO; 1246 int retval = -EIO;
1308 1247
1309 spin_lock_bh(&adapter->req_q.lock); 1248 spin_lock_bh(&adapter->req_q_lock);
1310 if (zfcp_fsf_req_sbal_get(adapter)) 1249 if (zfcp_fsf_req_sbal_get(adapter))
1311 goto out; 1250 goto out;
1312 1251
@@ -1334,7 +1273,7 @@ int zfcp_fsf_exchange_config_data_sync(struct zfcp_adapter *adapter,
1334 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); 1273 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
1335 retval = zfcp_fsf_req_send(req); 1274 retval = zfcp_fsf_req_send(req);
1336out: 1275out:
1337 spin_unlock_bh(&adapter->req_q.lock); 1276 spin_unlock_bh(&adapter->req_q_lock);
1338 if (!retval) 1277 if (!retval)
1339 wait_event(req->completion_wq, 1278 wait_event(req->completion_wq,
1340 req->status & ZFCP_STATUS_FSFREQ_COMPLETED); 1279 req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
@@ -1351,7 +1290,7 @@ out:
1351 */ 1290 */
1352int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action) 1291int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
1353{ 1292{
1354 volatile struct qdio_buffer_element *sbale; 1293 struct qdio_buffer_element *sbale;
1355 struct zfcp_fsf_req *req; 1294 struct zfcp_fsf_req *req;
1356 struct zfcp_adapter *adapter = erp_action->adapter; 1295 struct zfcp_adapter *adapter = erp_action->adapter;
1357 int retval = -EIO; 1296 int retval = -EIO;
@@ -1359,8 +1298,8 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
1359 if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) 1298 if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT))
1360 return -EOPNOTSUPP; 1299 return -EOPNOTSUPP;
1361 1300
1362 spin_lock_bh(&adapter->req_q.lock); 1301 spin_lock_bh(&adapter->req_q_lock);
1363 if (!atomic_read(&adapter->req_q.count)) 1302 if (!zfcp_fsf_sbal_available(adapter))
1364 goto out; 1303 goto out;
1365 req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 1304 req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA,
1366 ZFCP_REQ_AUTO_CLEANUP, 1305 ZFCP_REQ_AUTO_CLEANUP,
@@ -1385,7 +1324,7 @@ int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
1385 erp_action->fsf_req = NULL; 1324 erp_action->fsf_req = NULL;
1386 } 1325 }
1387out: 1326out:
1388 spin_unlock_bh(&adapter->req_q.lock); 1327 spin_unlock_bh(&adapter->req_q_lock);
1389 return retval; 1328 return retval;
1390} 1329}
1391 1330
@@ -1398,15 +1337,15 @@ out:
1398int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter, 1337int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
1399 struct fsf_qtcb_bottom_port *data) 1338 struct fsf_qtcb_bottom_port *data)
1400{ 1339{
1401 volatile struct qdio_buffer_element *sbale; 1340 struct qdio_buffer_element *sbale;
1402 struct zfcp_fsf_req *req = NULL; 1341 struct zfcp_fsf_req *req = NULL;
1403 int retval = -EIO; 1342 int retval = -EIO;
1404 1343
1405 if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT)) 1344 if (!(adapter->adapter_features & FSF_FEATURE_HBAAPI_MANAGEMENT))
1406 return -EOPNOTSUPP; 1345 return -EOPNOTSUPP;
1407 1346
1408 spin_lock_bh(&adapter->req_q.lock); 1347 spin_lock_bh(&adapter->req_q_lock);
1409 if (!atomic_read(&adapter->req_q.count)) 1348 if (!zfcp_fsf_sbal_available(adapter))
1410 goto out; 1349 goto out;
1411 1350
1412 req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 0, 1351 req = zfcp_fsf_req_create(adapter, FSF_QTCB_EXCHANGE_PORT_DATA, 0,
@@ -1427,7 +1366,7 @@ int zfcp_fsf_exchange_port_data_sync(struct zfcp_adapter *adapter,
1427 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); 1366 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
1428 retval = zfcp_fsf_req_send(req); 1367 retval = zfcp_fsf_req_send(req);
1429out: 1368out:
1430 spin_unlock_bh(&adapter->req_q.lock); 1369 spin_unlock_bh(&adapter->req_q_lock);
1431 if (!retval) 1370 if (!retval)
1432 wait_event(req->completion_wq, 1371 wait_event(req->completion_wq,
1433 req->status & ZFCP_STATUS_FSFREQ_COMPLETED); 1372 req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
@@ -1443,7 +1382,7 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
1443 struct fsf_plogi *plogi; 1382 struct fsf_plogi *plogi;
1444 1383
1445 if (req->status & ZFCP_STATUS_FSFREQ_ERROR) 1384 if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
1446 goto skip_fsfstatus; 1385 return;
1447 1386
1448 switch (header->fsf_status) { 1387 switch (header->fsf_status) {
1449 case FSF_PORT_ALREADY_OPEN: 1388 case FSF_PORT_ALREADY_OPEN:
@@ -1453,9 +1392,9 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
1453 break; 1392 break;
1454 case FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED: 1393 case FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED:
1455 dev_warn(&req->adapter->ccw_device->dev, 1394 dev_warn(&req->adapter->ccw_device->dev,
1456 "The adapter is out of resources. The remote port " 1395 "Not enough FCP adapter resources to open "
1457 "0x%016Lx could not be opened, disabling it.\n", 1396 "remote port 0x%016Lx\n",
1458 port->wwpn); 1397 (unsigned long long)port->wwpn);
1459 zfcp_erp_port_failed(port, 31, req); 1398 zfcp_erp_port_failed(port, 31, req);
1460 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 1399 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1461 break; 1400 break;
@@ -1467,8 +1406,8 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
1467 break; 1406 break;
1468 case FSF_SQ_NO_RETRY_POSSIBLE: 1407 case FSF_SQ_NO_RETRY_POSSIBLE:
1469 dev_warn(&req->adapter->ccw_device->dev, 1408 dev_warn(&req->adapter->ccw_device->dev,
1470 "The remote port 0x%016Lx could not be " 1409 "Remote port 0x%016Lx could not be opened\n",
1471 "opened. Disabling it.\n", port->wwpn); 1410 (unsigned long long)port->wwpn);
1472 zfcp_erp_port_failed(port, 32, req); 1411 zfcp_erp_port_failed(port, 32, req);
1473 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 1412 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1474 break; 1413 break;
@@ -1496,9 +1435,6 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
1496 * another GID_PN straight after a port has been opened. 1435 * another GID_PN straight after a port has been opened.
1497 * Alternately, an ADISC/PDISC ELS should suffice, as well. 1436 * Alternately, an ADISC/PDISC ELS should suffice, as well.
1498 */ 1437 */
1499 if (atomic_read(&port->status) & ZFCP_STATUS_PORT_NO_WWPN)
1500 break;
1501
1502 plogi = (struct fsf_plogi *) req->qtcb->bottom.support.els; 1438 plogi = (struct fsf_plogi *) req->qtcb->bottom.support.els;
1503 if (req->qtcb->bottom.support.els1_length >= sizeof(*plogi)) { 1439 if (req->qtcb->bottom.support.els1_length >= sizeof(*plogi)) {
1504 if (plogi->serv_param.wwpn != port->wwpn) 1440 if (plogi->serv_param.wwpn != port->wwpn)
@@ -1514,9 +1450,6 @@ static void zfcp_fsf_open_port_handler(struct zfcp_fsf_req *req)
1514 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 1450 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1515 break; 1451 break;
1516 } 1452 }
1517
1518skip_fsfstatus:
1519 atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING, &port->status);
1520} 1453}
1521 1454
1522/** 1455/**
@@ -1526,12 +1459,12 @@ skip_fsfstatus:
1526 */ 1459 */
1527int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action) 1460int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
1528{ 1461{
1529 volatile struct qdio_buffer_element *sbale; 1462 struct qdio_buffer_element *sbale;
1530 struct zfcp_adapter *adapter = erp_action->adapter; 1463 struct zfcp_adapter *adapter = erp_action->adapter;
1531 struct zfcp_fsf_req *req; 1464 struct zfcp_fsf_req *req;
1532 int retval = -EIO; 1465 int retval = -EIO;
1533 1466
1534 spin_lock_bh(&adapter->req_q.lock); 1467 spin_lock_bh(&adapter->req_q_lock);
1535 if (zfcp_fsf_req_sbal_get(adapter)) 1468 if (zfcp_fsf_req_sbal_get(adapter))
1536 goto out; 1469 goto out;
1537 1470
@@ -1553,7 +1486,6 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
1553 req->data = erp_action->port; 1486 req->data = erp_action->port;
1554 req->erp_action = erp_action; 1487 req->erp_action = erp_action;
1555 erp_action->fsf_req = req; 1488 erp_action->fsf_req = req;
1556 atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->port->status);
1557 1489
1558 zfcp_fsf_start_erp_timer(req); 1490 zfcp_fsf_start_erp_timer(req);
1559 retval = zfcp_fsf_req_send(req); 1491 retval = zfcp_fsf_req_send(req);
@@ -1562,7 +1494,7 @@ int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
1562 erp_action->fsf_req = NULL; 1494 erp_action->fsf_req = NULL;
1563 } 1495 }
1564out: 1496out:
1565 spin_unlock_bh(&adapter->req_q.lock); 1497 spin_unlock_bh(&adapter->req_q_lock);
1566 return retval; 1498 return retval;
1567} 1499}
1568 1500
@@ -1571,7 +1503,7 @@ static void zfcp_fsf_close_port_handler(struct zfcp_fsf_req *req)
1571 struct zfcp_port *port = req->data; 1503 struct zfcp_port *port = req->data;
1572 1504
1573 if (req->status & ZFCP_STATUS_FSFREQ_ERROR) 1505 if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
1574 goto skip_fsfstatus; 1506 return;
1575 1507
1576 switch (req->qtcb->header.fsf_status) { 1508 switch (req->qtcb->header.fsf_status) {
1577 case FSF_PORT_HANDLE_NOT_VALID: 1509 case FSF_PORT_HANDLE_NOT_VALID:
@@ -1586,9 +1518,6 @@ static void zfcp_fsf_close_port_handler(struct zfcp_fsf_req *req)
1586 ZFCP_CLEAR); 1518 ZFCP_CLEAR);
1587 break; 1519 break;
1588 } 1520 }
1589
1590skip_fsfstatus:
1591 atomic_clear_mask(ZFCP_STATUS_COMMON_CLOSING, &port->status);
1592} 1521}
1593 1522
1594/** 1523/**
@@ -1598,12 +1527,12 @@ skip_fsfstatus:
1598 */ 1527 */
1599int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action) 1528int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
1600{ 1529{
1601 volatile struct qdio_buffer_element *sbale; 1530 struct qdio_buffer_element *sbale;
1602 struct zfcp_adapter *adapter = erp_action->adapter; 1531 struct zfcp_adapter *adapter = erp_action->adapter;
1603 struct zfcp_fsf_req *req; 1532 struct zfcp_fsf_req *req;
1604 int retval = -EIO; 1533 int retval = -EIO;
1605 1534
1606 spin_lock_bh(&adapter->req_q.lock); 1535 spin_lock_bh(&adapter->req_q_lock);
1607 if (zfcp_fsf_req_sbal_get(adapter)) 1536 if (zfcp_fsf_req_sbal_get(adapter))
1608 goto out; 1537 goto out;
1609 1538
@@ -1624,7 +1553,6 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
1624 req->erp_action = erp_action; 1553 req->erp_action = erp_action;
1625 req->qtcb->header.port_handle = erp_action->port->handle; 1554 req->qtcb->header.port_handle = erp_action->port->handle;
1626 erp_action->fsf_req = req; 1555 erp_action->fsf_req = req;
1627 atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->port->status);
1628 1556
1629 zfcp_fsf_start_erp_timer(req); 1557 zfcp_fsf_start_erp_timer(req);
1630 retval = zfcp_fsf_req_send(req); 1558 retval = zfcp_fsf_req_send(req);
@@ -1633,7 +1561,131 @@ int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
1633 erp_action->fsf_req = NULL; 1561 erp_action->fsf_req = NULL;
1634 } 1562 }
1635out: 1563out:
1636 spin_unlock_bh(&adapter->req_q.lock); 1564 spin_unlock_bh(&adapter->req_q_lock);
1565 return retval;
1566}
1567
1568static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
1569{
1570 struct zfcp_wka_port *wka_port = req->data;
1571 struct fsf_qtcb_header *header = &req->qtcb->header;
1572
1573 if (req->status & ZFCP_STATUS_FSFREQ_ERROR) {
1574 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
1575 goto out;
1576 }
1577
1578 switch (header->fsf_status) {
1579 case FSF_MAXIMUM_NUMBER_OF_PORTS_EXCEEDED:
1580 dev_warn(&req->adapter->ccw_device->dev,
1581 "Opening WKA port 0x%x failed\n", wka_port->d_id);
1582 case FSF_ADAPTER_STATUS_AVAILABLE:
1583 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1584 case FSF_ACCESS_DENIED:
1585 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
1586 break;
1587 case FSF_PORT_ALREADY_OPEN:
1588 case FSF_GOOD:
1589 wka_port->handle = header->port_handle;
1590 wka_port->status = ZFCP_WKA_PORT_ONLINE;
1591 }
1592out:
1593 wake_up(&wka_port->completion_wq);
1594}
1595
1596/**
1597 * zfcp_fsf_open_wka_port - create and send open wka-port request
1598 * @wka_port: pointer to struct zfcp_wka_port
1599 * Returns: 0 on success, error otherwise
1600 */
1601int zfcp_fsf_open_wka_port(struct zfcp_wka_port *wka_port)
1602{
1603 struct qdio_buffer_element *sbale;
1604 struct zfcp_adapter *adapter = wka_port->adapter;
1605 struct zfcp_fsf_req *req;
1606 int retval = -EIO;
1607
1608 spin_lock_bh(&adapter->req_q_lock);
1609 if (zfcp_fsf_req_sbal_get(adapter))
1610 goto out;
1611
1612 req = zfcp_fsf_req_create(adapter,
1613 FSF_QTCB_OPEN_PORT_WITH_DID,
1614 ZFCP_REQ_AUTO_CLEANUP,
1615 adapter->pool.fsf_req_erp);
1616 if (unlikely(IS_ERR(req))) {
1617 retval = PTR_ERR(req);
1618 goto out;
1619 }
1620
1621 sbale = zfcp_qdio_sbale_req(req);
1622 sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
1623 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
1624
1625 req->handler = zfcp_fsf_open_wka_port_handler;
1626 req->qtcb->bottom.support.d_id = wka_port->d_id;
1627 req->data = wka_port;
1628
1629 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
1630 retval = zfcp_fsf_req_send(req);
1631 if (retval)
1632 zfcp_fsf_req_free(req);
1633out:
1634 spin_unlock_bh(&adapter->req_q_lock);
1635 return retval;
1636}
1637
1638static void zfcp_fsf_close_wka_port_handler(struct zfcp_fsf_req *req)
1639{
1640 struct zfcp_wka_port *wka_port = req->data;
1641
1642 if (req->qtcb->header.fsf_status == FSF_PORT_HANDLE_NOT_VALID) {
1643 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1644 zfcp_erp_adapter_reopen(wka_port->adapter, 0, 84, req);
1645 }
1646
1647 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
1648 wake_up(&wka_port->completion_wq);
1649}
1650
1651/**
1652 * zfcp_fsf_close_wka_port - create and send close wka port request
1653 * @erp_action: pointer to struct zfcp_erp_action
1654 * Returns: 0 on success, error otherwise
1655 */
1656int zfcp_fsf_close_wka_port(struct zfcp_wka_port *wka_port)
1657{
1658 struct qdio_buffer_element *sbale;
1659 struct zfcp_adapter *adapter = wka_port->adapter;
1660 struct zfcp_fsf_req *req;
1661 int retval = -EIO;
1662
1663 spin_lock_bh(&adapter->req_q_lock);
1664 if (zfcp_fsf_req_sbal_get(adapter))
1665 goto out;
1666
1667 req = zfcp_fsf_req_create(adapter, FSF_QTCB_CLOSE_PORT,
1668 ZFCP_REQ_AUTO_CLEANUP,
1669 adapter->pool.fsf_req_erp);
1670 if (unlikely(IS_ERR(req))) {
1671 retval = PTR_ERR(req);
1672 goto out;
1673 }
1674
1675 sbale = zfcp_qdio_sbale_req(req);
1676 sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
1677 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
1678
1679 req->handler = zfcp_fsf_close_wka_port_handler;
1680 req->data = wka_port;
1681 req->qtcb->header.port_handle = wka_port->handle;
1682
1683 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
1684 retval = zfcp_fsf_req_send(req);
1685 if (retval)
1686 zfcp_fsf_req_free(req);
1687out:
1688 spin_unlock_bh(&adapter->req_q_lock);
1637 return retval; 1689 return retval;
1638} 1690}
1639 1691
@@ -1695,12 +1747,12 @@ skip_fsfstatus:
1695 */ 1747 */
1696int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action) 1748int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
1697{ 1749{
1698 volatile struct qdio_buffer_element *sbale; 1750 struct qdio_buffer_element *sbale;
1699 struct zfcp_adapter *adapter = erp_action->adapter; 1751 struct zfcp_adapter *adapter = erp_action->adapter;
1700 struct zfcp_fsf_req *req; 1752 struct zfcp_fsf_req *req;
1701 int retval = -EIO; 1753 int retval = -EIO;
1702 1754
1703 spin_lock_bh(&adapter->req_q.lock); 1755 spin_lock_bh(&adapter->req_q_lock);
1704 if (zfcp_fsf_req_sbal_get(adapter)) 1756 if (zfcp_fsf_req_sbal_get(adapter))
1705 goto out; 1757 goto out;
1706 1758
@@ -1731,7 +1783,7 @@ int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
1731 erp_action->fsf_req = NULL; 1783 erp_action->fsf_req = NULL;
1732 } 1784 }
1733out: 1785out:
1734 spin_unlock_bh(&adapter->req_q.lock); 1786 spin_unlock_bh(&adapter->req_q_lock);
1735 return retval; 1787 return retval;
1736} 1788}
1737 1789
@@ -1746,7 +1798,7 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
1746 int exclusive, readwrite; 1798 int exclusive, readwrite;
1747 1799
1748 if (req->status & ZFCP_STATUS_FSFREQ_ERROR) 1800 if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
1749 goto skip_fsfstatus; 1801 return;
1750 1802
1751 atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | 1803 atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED |
1752 ZFCP_STATUS_COMMON_ACCESS_BOXED | 1804 ZFCP_STATUS_COMMON_ACCESS_BOXED |
@@ -1774,14 +1826,12 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
1774 case FSF_LUN_SHARING_VIOLATION: 1826 case FSF_LUN_SHARING_VIOLATION:
1775 if (header->fsf_status_qual.word[0]) 1827 if (header->fsf_status_qual.word[0])
1776 dev_warn(&adapter->ccw_device->dev, 1828 dev_warn(&adapter->ccw_device->dev,
1777 "FCP-LUN 0x%Lx at the remote port " 1829 "LUN 0x%Lx on port 0x%Lx is already in "
1778 "with WWPN 0x%Lx " 1830 "use by CSS%d, MIF Image ID %x\n",
1779 "connected to the adapter " 1831 (unsigned long long)unit->fcp_lun,
1780 "is already in use in LPAR%d, CSS%d.\n", 1832 (unsigned long long)unit->port->wwpn,
1781 unit->fcp_lun, 1833 queue_designator->cssid,
1782 unit->port->wwpn, 1834 queue_designator->hla);
1783 queue_designator->hla,
1784 queue_designator->cssid);
1785 else 1835 else
1786 zfcp_act_eval_err(adapter, 1836 zfcp_act_eval_err(adapter,
1787 header->fsf_status_qual.word[2]); 1837 header->fsf_status_qual.word[2]);
@@ -1792,9 +1842,10 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
1792 break; 1842 break;
1793 case FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED: 1843 case FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED:
1794 dev_warn(&adapter->ccw_device->dev, 1844 dev_warn(&adapter->ccw_device->dev,
1795 "The adapter ran out of resources. There is no " 1845 "No handle is available for LUN "
1796 "handle available for unit 0x%016Lx on port 0x%016Lx.", 1846 "0x%016Lx on port 0x%016Lx\n",
1797 unit->fcp_lun, unit->port->wwpn); 1847 (unsigned long long)unit->fcp_lun,
1848 (unsigned long long)unit->port->wwpn);
1798 zfcp_erp_unit_failed(unit, 34, req); 1849 zfcp_erp_unit_failed(unit, 34, req);
1799 /* fall through */ 1850 /* fall through */
1800 case FSF_INVALID_COMMAND_OPTION: 1851 case FSF_INVALID_COMMAND_OPTION:
@@ -1831,26 +1882,29 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
1831 atomic_set_mask(ZFCP_STATUS_UNIT_READONLY, 1882 atomic_set_mask(ZFCP_STATUS_UNIT_READONLY,
1832 &unit->status); 1883 &unit->status);
1833 dev_info(&adapter->ccw_device->dev, 1884 dev_info(&adapter->ccw_device->dev,
1834 "Read-only access for unit 0x%016Lx " 1885 "SCSI device at LUN 0x%016Lx on port "
1835 "on port 0x%016Lx.\n", 1886 "0x%016Lx opened read-only\n",
1836 unit->fcp_lun, unit->port->wwpn); 1887 (unsigned long long)unit->fcp_lun,
1888 (unsigned long long)unit->port->wwpn);
1837 } 1889 }
1838 1890
1839 if (exclusive && !readwrite) { 1891 if (exclusive && !readwrite) {
1840 dev_err(&adapter->ccw_device->dev, 1892 dev_err(&adapter->ccw_device->dev,
1841 "Exclusive access of read-only unit " 1893 "Exclusive read-only access not "
1842 "0x%016Lx on port 0x%016Lx not " 1894 "supported (unit 0x%016Lx, "
1843 "supported, disabling unit.\n", 1895 "port 0x%016Lx)\n",
1844 unit->fcp_lun, unit->port->wwpn); 1896 (unsigned long long)unit->fcp_lun,
1897 (unsigned long long)unit->port->wwpn);
1845 zfcp_erp_unit_failed(unit, 35, req); 1898 zfcp_erp_unit_failed(unit, 35, req);
1846 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 1899 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1847 zfcp_erp_unit_shutdown(unit, 0, 80, req); 1900 zfcp_erp_unit_shutdown(unit, 0, 80, req);
1848 } else if (!exclusive && readwrite) { 1901 } else if (!exclusive && readwrite) {
1849 dev_err(&adapter->ccw_device->dev, 1902 dev_err(&adapter->ccw_device->dev,
1850 "Shared access of read-write unit " 1903 "Shared read-write access not "
1851 "0x%016Lx on port 0x%016Lx not " 1904 "supported (unit 0x%016Lx, port "
1852 "supported, disabling unit.\n", 1905 "0x%016Lx\n)",
1853 unit->fcp_lun, unit->port->wwpn); 1906 (unsigned long long)unit->fcp_lun,
1907 (unsigned long long)unit->port->wwpn);
1854 zfcp_erp_unit_failed(unit, 36, req); 1908 zfcp_erp_unit_failed(unit, 36, req);
1855 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 1909 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
1856 zfcp_erp_unit_shutdown(unit, 0, 81, req); 1910 zfcp_erp_unit_shutdown(unit, 0, 81, req);
@@ -1858,9 +1912,6 @@ static void zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *req)
1858 } 1912 }
1859 break; 1913 break;
1860 } 1914 }
1861
1862skip_fsfstatus:
1863 atomic_clear_mask(ZFCP_STATUS_COMMON_OPENING, &unit->status);
1864} 1915}
1865 1916
1866/** 1917/**
@@ -1870,12 +1921,12 @@ skip_fsfstatus:
1870 */ 1921 */
1871int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action) 1922int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
1872{ 1923{
1873 volatile struct qdio_buffer_element *sbale; 1924 struct qdio_buffer_element *sbale;
1874 struct zfcp_adapter *adapter = erp_action->adapter; 1925 struct zfcp_adapter *adapter = erp_action->adapter;
1875 struct zfcp_fsf_req *req; 1926 struct zfcp_fsf_req *req;
1876 int retval = -EIO; 1927 int retval = -EIO;
1877 1928
1878 spin_lock_bh(&adapter->req_q.lock); 1929 spin_lock_bh(&adapter->req_q_lock);
1879 if (zfcp_fsf_req_sbal_get(adapter)) 1930 if (zfcp_fsf_req_sbal_get(adapter))
1880 goto out; 1931 goto out;
1881 1932
@@ -1901,8 +1952,6 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
1901 if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) 1952 if (!(adapter->connection_features & FSF_FEATURE_NPIV_MODE))
1902 req->qtcb->bottom.support.option = FSF_OPEN_LUN_SUPPRESS_BOXING; 1953 req->qtcb->bottom.support.option = FSF_OPEN_LUN_SUPPRESS_BOXING;
1903 1954
1904 atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->unit->status);
1905
1906 zfcp_fsf_start_erp_timer(req); 1955 zfcp_fsf_start_erp_timer(req);
1907 retval = zfcp_fsf_req_send(req); 1956 retval = zfcp_fsf_req_send(req);
1908 if (retval) { 1957 if (retval) {
@@ -1910,7 +1959,7 @@ int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
1910 erp_action->fsf_req = NULL; 1959 erp_action->fsf_req = NULL;
1911 } 1960 }
1912out: 1961out:
1913 spin_unlock_bh(&adapter->req_q.lock); 1962 spin_unlock_bh(&adapter->req_q_lock);
1914 return retval; 1963 return retval;
1915} 1964}
1916 1965
@@ -1919,7 +1968,7 @@ static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req)
1919 struct zfcp_unit *unit = req->data; 1968 struct zfcp_unit *unit = req->data;
1920 1969
1921 if (req->status & ZFCP_STATUS_FSFREQ_ERROR) 1970 if (req->status & ZFCP_STATUS_FSFREQ_ERROR)
1922 goto skip_fsfstatus; 1971 return;
1923 1972
1924 switch (req->qtcb->header.fsf_status) { 1973 switch (req->qtcb->header.fsf_status) {
1925 case FSF_PORT_HANDLE_NOT_VALID: 1974 case FSF_PORT_HANDLE_NOT_VALID:
@@ -1949,8 +1998,6 @@ static void zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *req)
1949 atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status); 1998 atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status);
1950 break; 1999 break;
1951 } 2000 }
1952skip_fsfstatus:
1953 atomic_clear_mask(ZFCP_STATUS_COMMON_CLOSING, &unit->status);
1954} 2001}
1955 2002
1956/** 2003/**
@@ -1960,12 +2007,12 @@ skip_fsfstatus:
1960 */ 2007 */
1961int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action) 2008int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
1962{ 2009{
1963 volatile struct qdio_buffer_element *sbale; 2010 struct qdio_buffer_element *sbale;
1964 struct zfcp_adapter *adapter = erp_action->adapter; 2011 struct zfcp_adapter *adapter = erp_action->adapter;
1965 struct zfcp_fsf_req *req; 2012 struct zfcp_fsf_req *req;
1966 int retval = -EIO; 2013 int retval = -EIO;
1967 2014
1968 spin_lock_bh(&adapter->req_q.lock); 2015 spin_lock_bh(&adapter->req_q_lock);
1969 if (zfcp_fsf_req_sbal_get(adapter)) 2016 if (zfcp_fsf_req_sbal_get(adapter))
1970 goto out; 2017 goto out;
1971 req = zfcp_fsf_req_create(adapter, FSF_QTCB_CLOSE_LUN, 2018 req = zfcp_fsf_req_create(adapter, FSF_QTCB_CLOSE_LUN,
@@ -1986,7 +2033,6 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
1986 req->data = erp_action->unit; 2033 req->data = erp_action->unit;
1987 req->erp_action = erp_action; 2034 req->erp_action = erp_action;
1988 erp_action->fsf_req = req; 2035 erp_action->fsf_req = req;
1989 atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->unit->status);
1990 2036
1991 zfcp_fsf_start_erp_timer(req); 2037 zfcp_fsf_start_erp_timer(req);
1992 retval = zfcp_fsf_req_send(req); 2038 retval = zfcp_fsf_req_send(req);
@@ -1995,7 +2041,7 @@ int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
1995 erp_action->fsf_req = NULL; 2041 erp_action->fsf_req = NULL;
1996 } 2042 }
1997out: 2043out:
1998 spin_unlock_bh(&adapter->req_q.lock); 2044 spin_unlock_bh(&adapter->req_q_lock);
1999 return retval; 2045 return retval;
2000} 2046}
2001 2047
@@ -2156,21 +2202,21 @@ static void zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *req)
2156 break; 2202 break;
2157 case FSF_DIRECTION_INDICATOR_NOT_VALID: 2203 case FSF_DIRECTION_INDICATOR_NOT_VALID:
2158 dev_err(&req->adapter->ccw_device->dev, 2204 dev_err(&req->adapter->ccw_device->dev,
2159 "Invalid data direction (%d) given for unit " 2205 "Incorrect direction %d, unit 0x%016Lx on port "
2160 "0x%016Lx on port 0x%016Lx, shutting down " 2206 "0x%016Lx closed\n",
2161 "adapter.\n",
2162 req->qtcb->bottom.io.data_direction, 2207 req->qtcb->bottom.io.data_direction,
2163 unit->fcp_lun, unit->port->wwpn); 2208 (unsigned long long)unit->fcp_lun,
2209 (unsigned long long)unit->port->wwpn);
2164 zfcp_erp_adapter_shutdown(unit->port->adapter, 0, 133, req); 2210 zfcp_erp_adapter_shutdown(unit->port->adapter, 0, 133, req);
2165 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 2211 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
2166 break; 2212 break;
2167 case FSF_CMND_LENGTH_NOT_VALID: 2213 case FSF_CMND_LENGTH_NOT_VALID:
2168 dev_err(&req->adapter->ccw_device->dev, 2214 dev_err(&req->adapter->ccw_device->dev,
2169 "An invalid control-data-block length field (%d) " 2215 "Incorrect CDB length %d, unit 0x%016Lx on "
2170 "was found in a command for unit 0x%016Lx on port " 2216 "port 0x%016Lx closed\n",
2171 "0x%016Lx. Shutting down adapter.\n",
2172 req->qtcb->bottom.io.fcp_cmnd_length, 2217 req->qtcb->bottom.io.fcp_cmnd_length,
2173 unit->fcp_lun, unit->port->wwpn); 2218 (unsigned long long)unit->fcp_lun,
2219 (unsigned long long)unit->port->wwpn);
2174 zfcp_erp_adapter_shutdown(unit->port->adapter, 0, 134, req); 2220 zfcp_erp_adapter_shutdown(unit->port->adapter, 0, 134, req);
2175 req->status |= ZFCP_STATUS_FSFREQ_ERROR; 2221 req->status |= ZFCP_STATUS_FSFREQ_ERROR;
2176 break; 2222 break;
@@ -2201,6 +2247,20 @@ skip_fsfstatus:
2201 } 2247 }
2202} 2248}
2203 2249
2250static void zfcp_set_fcp_dl(struct fcp_cmnd_iu *fcp_cmd, u32 fcp_dl)
2251{
2252 u32 *fcp_dl_ptr;
2253
2254 /*
2255 * fcp_dl_addr = start address of fcp_cmnd structure +
2256 * size of fixed part + size of dynamically sized add_dcp_cdb field
2257 * SEE FCP-2 documentation
2258 */
2259 fcp_dl_ptr = (u32 *) ((unsigned char *) &fcp_cmd[1] +
2260 (fcp_cmd->add_fcp_cdb_length << 2));
2261 *fcp_dl_ptr = fcp_dl;
2262}
2263
2204/** 2264/**
2205 * zfcp_fsf_send_fcp_command_task - initiate an FCP command (for a SCSI command) 2265 * zfcp_fsf_send_fcp_command_task - initiate an FCP command (for a SCSI command)
2206 * @adapter: adapter where scsi command is issued 2266 * @adapter: adapter where scsi command is issued
@@ -2223,8 +2283,8 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
2223 ZFCP_STATUS_COMMON_UNBLOCKED))) 2283 ZFCP_STATUS_COMMON_UNBLOCKED)))
2224 return -EBUSY; 2284 return -EBUSY;
2225 2285
2226 spin_lock(&adapter->req_q.lock); 2286 spin_lock(&adapter->req_q_lock);
2227 if (!atomic_read(&adapter->req_q.count)) 2287 if (!zfcp_fsf_sbal_available(adapter))
2228 goto out; 2288 goto out;
2229 req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags, 2289 req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags,
2230 adapter->pool.fsf_req_scsi); 2290 adapter->pool.fsf_req_scsi);
@@ -2286,7 +2346,7 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
2286 memcpy(fcp_cmnd_iu->fcp_cdb, scsi_cmnd->cmnd, scsi_cmnd->cmd_len); 2346 memcpy(fcp_cmnd_iu->fcp_cdb, scsi_cmnd->cmnd, scsi_cmnd->cmd_len);
2287 2347
2288 req->qtcb->bottom.io.fcp_cmnd_length = sizeof(struct fcp_cmnd_iu) + 2348 req->qtcb->bottom.io.fcp_cmnd_length = sizeof(struct fcp_cmnd_iu) +
2289 fcp_cmnd_iu->add_fcp_cdb_length + sizeof(fcp_dl_t); 2349 fcp_cmnd_iu->add_fcp_cdb_length + sizeof(u32);
2290 2350
2291 real_bytes = zfcp_qdio_sbals_from_sg(req, sbtype, 2351 real_bytes = zfcp_qdio_sbals_from_sg(req, sbtype,
2292 scsi_sglist(scsi_cmnd), 2352 scsi_sglist(scsi_cmnd),
@@ -2296,10 +2356,10 @@ int zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
2296 retval = -EIO; 2356 retval = -EIO;
2297 else { 2357 else {
2298 dev_err(&adapter->ccw_device->dev, 2358 dev_err(&adapter->ccw_device->dev,
2299 "SCSI request too large. " 2359 "Oversize data package, unit 0x%016Lx "
2300 "Shutting down unit 0x%016Lx on port " 2360 "on port 0x%016Lx closed\n",
2301 "0x%016Lx.\n", unit->fcp_lun, 2361 (unsigned long long)unit->fcp_lun,
2302 unit->port->wwpn); 2362 (unsigned long long)unit->port->wwpn);
2303 zfcp_erp_unit_shutdown(unit, 0, 131, req); 2363 zfcp_erp_unit_shutdown(unit, 0, 131, req);
2304 retval = -EINVAL; 2364 retval = -EINVAL;
2305 } 2365 }
@@ -2322,7 +2382,7 @@ failed_scsi_cmnd:
2322 zfcp_fsf_req_free(req); 2382 zfcp_fsf_req_free(req);
2323 scsi_cmnd->host_scribble = NULL; 2383 scsi_cmnd->host_scribble = NULL;
2324out: 2384out:
2325 spin_unlock(&adapter->req_q.lock); 2385 spin_unlock(&adapter->req_q_lock);
2326 return retval; 2386 return retval;
2327} 2387}
2328 2388
@@ -2338,7 +2398,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter,
2338 struct zfcp_unit *unit, 2398 struct zfcp_unit *unit,
2339 u8 tm_flags, int req_flags) 2399 u8 tm_flags, int req_flags)
2340{ 2400{
2341 volatile struct qdio_buffer_element *sbale; 2401 struct qdio_buffer_element *sbale;
2342 struct zfcp_fsf_req *req = NULL; 2402 struct zfcp_fsf_req *req = NULL;
2343 struct fcp_cmnd_iu *fcp_cmnd_iu; 2403 struct fcp_cmnd_iu *fcp_cmnd_iu;
2344 2404
@@ -2346,8 +2406,8 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter,
2346 ZFCP_STATUS_COMMON_UNBLOCKED))) 2406 ZFCP_STATUS_COMMON_UNBLOCKED)))
2347 return NULL; 2407 return NULL;
2348 2408
2349 spin_lock(&adapter->req_q.lock); 2409 spin_lock(&adapter->req_q_lock);
2350 if (!atomic_read(&adapter->req_q.count)) 2410 if (!zfcp_fsf_sbal_available(adapter))
2351 goto out; 2411 goto out;
2352 req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags, 2412 req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags,
2353 adapter->pool.fsf_req_scsi); 2413 adapter->pool.fsf_req_scsi);
@@ -2362,7 +2422,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter,
2362 req->qtcb->bottom.io.data_direction = FSF_DATADIR_CMND; 2422 req->qtcb->bottom.io.data_direction = FSF_DATADIR_CMND;
2363 req->qtcb->bottom.io.service_class = FSF_CLASS_3; 2423 req->qtcb->bottom.io.service_class = FSF_CLASS_3;
2364 req->qtcb->bottom.io.fcp_cmnd_length = sizeof(struct fcp_cmnd_iu) + 2424 req->qtcb->bottom.io.fcp_cmnd_length = sizeof(struct fcp_cmnd_iu) +
2365 sizeof(fcp_dl_t); 2425 sizeof(u32);
2366 2426
2367 sbale = zfcp_qdio_sbale_req(req); 2427 sbale = zfcp_qdio_sbale_req(req);
2368 sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE; 2428 sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE;
@@ -2379,7 +2439,7 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter,
2379 zfcp_fsf_req_free(req); 2439 zfcp_fsf_req_free(req);
2380 req = NULL; 2440 req = NULL;
2381out: 2441out:
2382 spin_unlock(&adapter->req_q.lock); 2442 spin_unlock(&adapter->req_q_lock);
2383 return req; 2443 return req;
2384} 2444}
2385 2445
@@ -2398,7 +2458,7 @@ static void zfcp_fsf_control_file_handler(struct zfcp_fsf_req *req)
2398struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter, 2458struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
2399 struct zfcp_fsf_cfdc *fsf_cfdc) 2459 struct zfcp_fsf_cfdc *fsf_cfdc)
2400{ 2460{
2401 volatile struct qdio_buffer_element *sbale; 2461 struct qdio_buffer_element *sbale;
2402 struct zfcp_fsf_req *req = NULL; 2462 struct zfcp_fsf_req *req = NULL;
2403 struct fsf_qtcb_bottom_support *bottom; 2463 struct fsf_qtcb_bottom_support *bottom;
2404 int direction, retval = -EIO, bytes; 2464 int direction, retval = -EIO, bytes;
@@ -2417,7 +2477,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
2417 return ERR_PTR(-EINVAL); 2477 return ERR_PTR(-EINVAL);
2418 } 2478 }
2419 2479
2420 spin_lock_bh(&adapter->req_q.lock); 2480 spin_lock_bh(&adapter->req_q_lock);
2421 if (zfcp_fsf_req_sbal_get(adapter)) 2481 if (zfcp_fsf_req_sbal_get(adapter))
2422 goto out; 2482 goto out;
2423 2483
@@ -2447,7 +2507,7 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
2447 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT); 2507 zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
2448 retval = zfcp_fsf_req_send(req); 2508 retval = zfcp_fsf_req_send(req);
2449out: 2509out:
2450 spin_unlock_bh(&adapter->req_q.lock); 2510 spin_unlock_bh(&adapter->req_q_lock);
2451 2511
2452 if (!retval) { 2512 if (!retval) {
2453 wait_event(req->completion_wq, 2513 wait_event(req->completion_wq,
diff --git a/drivers/s390/scsi/zfcp_fsf.h b/drivers/s390/scsi/zfcp_fsf.h
index bf94b4da0763..fd3a88777ac8 100644
--- a/drivers/s390/scsi/zfcp_fsf.h
+++ b/drivers/s390/scsi/zfcp_fsf.h
@@ -71,13 +71,6 @@
71#define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED 0x00000041 71#define FSF_MAXIMUM_NUMBER_OF_LUNS_EXCEEDED 0x00000041
72#define FSF_ELS_COMMAND_REJECTED 0x00000050 72#define FSF_ELS_COMMAND_REJECTED 0x00000050
73#define FSF_GENERIC_COMMAND_REJECTED 0x00000051 73#define FSF_GENERIC_COMMAND_REJECTED 0x00000051
74#define FSF_OPERATION_PARTIALLY_SUCCESSFUL 0x00000052
75#define FSF_AUTHORIZATION_FAILURE 0x00000053
76#define FSF_CFDC_ERROR_DETECTED 0x00000054
77#define FSF_CONTROL_FILE_UPDATE_ERROR 0x00000055
78#define FSF_CONTROL_FILE_TOO_LARGE 0x00000056
79#define FSF_ACCESS_CONFLICT_DETECTED 0x00000057
80#define FSF_CONFLICTS_OVERRULED 0x00000058
81#define FSF_PORT_BOXED 0x00000059 74#define FSF_PORT_BOXED 0x00000059
82#define FSF_LUN_BOXED 0x0000005A 75#define FSF_LUN_BOXED 0x0000005A
83#define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE 0x0000005B 76#define FSF_EXCHANGE_CONFIG_DATA_INCOMPLETE 0x0000005B
@@ -85,9 +78,7 @@
85#define FSF_REQUEST_SIZE_TOO_LARGE 0x00000061 78#define FSF_REQUEST_SIZE_TOO_LARGE 0x00000061
86#define FSF_RESPONSE_SIZE_TOO_LARGE 0x00000062 79#define FSF_RESPONSE_SIZE_TOO_LARGE 0x00000062
87#define FSF_SBAL_MISMATCH 0x00000063 80#define FSF_SBAL_MISMATCH 0x00000063
88#define FSF_OPEN_PORT_WITHOUT_PRLI 0x00000064
89#define FSF_ADAPTER_STATUS_AVAILABLE 0x000000AD 81#define FSF_ADAPTER_STATUS_AVAILABLE 0x000000AD
90#define FSF_FCP_RSP_AVAILABLE 0x000000AF
91#define FSF_UNKNOWN_COMMAND 0x000000E2 82#define FSF_UNKNOWN_COMMAND 0x000000E2
92#define FSF_UNKNOWN_OP_SUBTYPE 0x000000E3 83#define FSF_UNKNOWN_OP_SUBTYPE 0x000000E3
93#define FSF_INVALID_COMMAND_OPTION 0x000000E5 84#define FSF_INVALID_COMMAND_OPTION 0x000000E5
@@ -102,20 +93,9 @@
102#define FSF_SQ_RETRY_IF_POSSIBLE 0x02 93#define FSF_SQ_RETRY_IF_POSSIBLE 0x02
103#define FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED 0x03 94#define FSF_SQ_ULP_DEPENDENT_ERP_REQUIRED 0x03
104#define FSF_SQ_INVOKE_LINK_TEST_PROCEDURE 0x04 95#define FSF_SQ_INVOKE_LINK_TEST_PROCEDURE 0x04
105#define FSF_SQ_ULP_PROGRAMMING_ERROR 0x05
106#define FSF_SQ_COMMAND_ABORTED 0x06 96#define FSF_SQ_COMMAND_ABORTED 0x06
107#define FSF_SQ_NO_RETRY_POSSIBLE 0x07 97#define FSF_SQ_NO_RETRY_POSSIBLE 0x07
108 98
109/* FSF status qualifier for CFDC commands */
110#define FSF_SQ_CFDC_HARDENED_ON_SE 0x00000000
111#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE 0x00000001
112#define FSF_SQ_CFDC_COULD_NOT_HARDEN_ON_SE2 0x00000002
113/* CFDC subtable codes */
114#define FSF_SQ_CFDC_SUBTABLE_OS 0x0001
115#define FSF_SQ_CFDC_SUBTABLE_PORT_WWPN 0x0002
116#define FSF_SQ_CFDC_SUBTABLE_PORT_DID 0x0003
117#define FSF_SQ_CFDC_SUBTABLE_LUN 0x0004
118
119/* FSF status qualifier (most significant 4 bytes), local link down */ 99/* FSF status qualifier (most significant 4 bytes), local link down */
120#define FSF_PSQ_LINK_NO_LIGHT 0x00000004 100#define FSF_PSQ_LINK_NO_LIGHT 0x00000004
121#define FSF_PSQ_LINK_WRAP_PLUG 0x00000008 101#define FSF_PSQ_LINK_WRAP_PLUG 0x00000008
@@ -145,7 +125,6 @@
145#define FSF_STATUS_READ_LINK_UP 0x00000006 125#define FSF_STATUS_READ_LINK_UP 0x00000006
146#define FSF_STATUS_READ_NOTIFICATION_LOST 0x00000009 126#define FSF_STATUS_READ_NOTIFICATION_LOST 0x00000009
147#define FSF_STATUS_READ_CFDC_UPDATED 0x0000000A 127#define FSF_STATUS_READ_CFDC_UPDATED 0x0000000A
148#define FSF_STATUS_READ_CFDC_HARDENED 0x0000000B
149#define FSF_STATUS_READ_FEATURE_UPDATE_ALERT 0x0000000C 128#define FSF_STATUS_READ_FEATURE_UPDATE_ALERT 0x0000000C
150 129
151/* status subtypes in status read buffer */ 130/* status subtypes in status read buffer */
@@ -159,20 +138,9 @@
159 138
160/* status subtypes for unsolicited status notification lost */ 139/* status subtypes for unsolicited status notification lost */
161#define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001 140#define FSF_STATUS_READ_SUB_INCOMING_ELS 0x00000001
162#define FSF_STATUS_READ_SUB_SENSE_DATA 0x00000002
163#define FSF_STATUS_READ_SUB_LINK_STATUS 0x00000004
164#define FSF_STATUS_READ_SUB_PORT_CLOSED 0x00000008
165#define FSF_STATUS_READ_SUB_BIT_ERROR_THRESHOLD 0x00000010
166#define FSF_STATUS_READ_SUB_ACT_UPDATED 0x00000020 141#define FSF_STATUS_READ_SUB_ACT_UPDATED 0x00000020
167#define FSF_STATUS_READ_SUB_ACT_HARDENED 0x00000040
168#define FSF_STATUS_READ_SUB_FEATURE_UPDATE_ALERT 0x00000080
169
170/* status subtypes for CFDC */
171#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE 0x00000002
172#define FSF_STATUS_READ_SUB_CFDC_HARDENED_ON_SE2 0x0000000F
173 142
174/* topologie that is detected by the adapter */ 143/* topologie that is detected by the adapter */
175#define FSF_TOPO_ERROR 0x00000000
176#define FSF_TOPO_P2P 0x00000001 144#define FSF_TOPO_P2P 0x00000001
177#define FSF_TOPO_FABRIC 0x00000002 145#define FSF_TOPO_FABRIC 0x00000002
178#define FSF_TOPO_AL 0x00000003 146#define FSF_TOPO_AL 0x00000003
@@ -180,17 +148,13 @@
180/* data direction for FCP commands */ 148/* data direction for FCP commands */
181#define FSF_DATADIR_WRITE 0x00000001 149#define FSF_DATADIR_WRITE 0x00000001
182#define FSF_DATADIR_READ 0x00000002 150#define FSF_DATADIR_READ 0x00000002
183#define FSF_DATADIR_READ_WRITE 0x00000003
184#define FSF_DATADIR_CMND 0x00000004 151#define FSF_DATADIR_CMND 0x00000004
185 152
186/* fc service class */ 153/* fc service class */
187#define FSF_CLASS_1 0x00000001
188#define FSF_CLASS_2 0x00000002
189#define FSF_CLASS_3 0x00000003 154#define FSF_CLASS_3 0x00000003
190 155
191/* SBAL chaining */ 156/* SBAL chaining */
192#define FSF_MAX_SBALS_PER_REQ 36 157#define FSF_MAX_SBALS_PER_REQ 36
193#define FSF_MAX_SBALS_PER_ELS_REQ 2
194 158
195/* logging space behind QTCB */ 159/* logging space behind QTCB */
196#define FSF_QTCB_LOG_SIZE 1024 160#define FSF_QTCB_LOG_SIZE 1024
@@ -200,50 +164,16 @@
200#define FSF_FEATURE_LUN_SHARING 0x00000004 164#define FSF_FEATURE_LUN_SHARING 0x00000004
201#define FSF_FEATURE_NOTIFICATION_LOST 0x00000008 165#define FSF_FEATURE_NOTIFICATION_LOST 0x00000008
202#define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010 166#define FSF_FEATURE_HBAAPI_MANAGEMENT 0x00000010
203#define FSF_FEATURE_ELS_CT_CHAINED_SBALS 0x00000020
204#define FSF_FEATURE_UPDATE_ALERT 0x00000100 167#define FSF_FEATURE_UPDATE_ALERT 0x00000100
205#define FSF_FEATURE_MEASUREMENT_DATA 0x00000200 168#define FSF_FEATURE_MEASUREMENT_DATA 0x00000200
206 169
207/* host connection features */ 170/* host connection features */
208#define FSF_FEATURE_NPIV_MODE 0x00000001 171#define FSF_FEATURE_NPIV_MODE 0x00000001
209#define FSF_FEATURE_VM_ASSIGNED_WWPN 0x00000002
210 172
211/* option */ 173/* option */
212#define FSF_OPEN_LUN_SUPPRESS_BOXING 0x00000001 174#define FSF_OPEN_LUN_SUPPRESS_BOXING 0x00000001
213#define FSF_OPEN_LUN_REPLICATE_SENSE 0x00000002
214
215/* adapter types */
216#define FSF_ADAPTER_TYPE_FICON 0x00000001
217#define FSF_ADAPTER_TYPE_FICON_EXPRESS 0x00000002
218
219/* port types */
220#define FSF_HBA_PORTTYPE_UNKNOWN 0x00000001
221#define FSF_HBA_PORTTYPE_NOTPRESENT 0x00000003
222#define FSF_HBA_PORTTYPE_NPORT 0x00000005
223#define FSF_HBA_PORTTYPE_PTP 0x00000021
224/* following are not defined and used by FSF Spec
225 but are additionally defined by FC-HBA */
226#define FSF_HBA_PORTTYPE_OTHER 0x00000002
227#define FSF_HBA_PORTTYPE_NOTPRESENT 0x00000003
228#define FSF_HBA_PORTTYPE_NLPORT 0x00000006
229#define FSF_HBA_PORTTYPE_FLPORT 0x00000007
230#define FSF_HBA_PORTTYPE_FPORT 0x00000008
231#define FSF_HBA_PORTTYPE_LPORT 0x00000020
232
233/* port states */
234#define FSF_HBA_PORTSTATE_UNKNOWN 0x00000001
235#define FSF_HBA_PORTSTATE_ONLINE 0x00000002
236#define FSF_HBA_PORTSTATE_OFFLINE 0x00000003
237#define FSF_HBA_PORTSTATE_LINKDOWN 0x00000006
238#define FSF_HBA_PORTSTATE_ERROR 0x00000007
239
240/* IO states of adapter */
241#define FSF_IOSTAT_NPORT_RJT 0x00000004
242#define FSF_IOSTAT_FABRIC_RJT 0x00000005
243#define FSF_IOSTAT_LS_RJT 0x00000009
244 175
245/* open LUN access flags*/ 176/* open LUN access flags*/
246#define FSF_UNIT_ACCESS_OPEN_LUN_ALLOWED 0x01000000
247#define FSF_UNIT_ACCESS_EXCLUSIVE 0x02000000 177#define FSF_UNIT_ACCESS_EXCLUSIVE 0x02000000
248#define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER 0x10000000 178#define FSF_UNIT_ACCESS_OUTBOUND_TRANSFER 0x10000000
249 179
@@ -265,11 +195,6 @@ struct fsf_queue_designator {
265 u32 res1; 195 u32 res1;
266} __attribute__ ((packed)); 196} __attribute__ ((packed));
267 197
268struct fsf_port_closed_payload {
269 struct fsf_queue_designator queue_designator;
270 u32 port_handle;
271} __attribute__ ((packed));
272
273struct fsf_bit_error_payload { 198struct fsf_bit_error_payload {
274 u32 res1; 199 u32 res1;
275 u32 link_failure_error_count; 200 u32 link_failure_error_count;
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 69d632d851d9..3e05080e62d4 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -28,7 +28,7 @@ static int zfcp_qdio_buffers_enqueue(struct qdio_buffer **sbal)
28 return 0; 28 return 0;
29} 29}
30 30
31static volatile struct qdio_buffer_element * 31static struct qdio_buffer_element *
32zfcp_qdio_sbale(struct zfcp_qdio_queue *q, int sbal_idx, int sbale_idx) 32zfcp_qdio_sbale(struct zfcp_qdio_queue *q, int sbal_idx, int sbale_idx)
33{ 33{
34 return &q->sbal[sbal_idx]->element[sbale_idx]; 34 return &q->sbal[sbal_idx]->element[sbale_idx];
@@ -57,7 +57,7 @@ void zfcp_qdio_free(struct zfcp_adapter *adapter)
57 57
58static void zfcp_qdio_handler_error(struct zfcp_adapter *adapter, u8 id) 58static void zfcp_qdio_handler_error(struct zfcp_adapter *adapter, u8 id)
59{ 59{
60 dev_warn(&adapter->ccw_device->dev, "QDIO problem occurred.\n"); 60 dev_warn(&adapter->ccw_device->dev, "A QDIO problem occurred\n");
61 61
62 zfcp_erp_adapter_reopen(adapter, 62 zfcp_erp_adapter_reopen(adapter,
63 ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED | 63 ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
@@ -145,7 +145,7 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err,
145{ 145{
146 struct zfcp_adapter *adapter = (struct zfcp_adapter *) parm; 146 struct zfcp_adapter *adapter = (struct zfcp_adapter *) parm;
147 struct zfcp_qdio_queue *queue = &adapter->resp_q; 147 struct zfcp_qdio_queue *queue = &adapter->resp_q;
148 volatile struct qdio_buffer_element *sbale; 148 struct qdio_buffer_element *sbale;
149 int sbal_idx, sbale_idx, sbal_no; 149 int sbal_idx, sbale_idx, sbal_no;
150 150
151 if (unlikely(qdio_err)) { 151 if (unlikely(qdio_err)) {
@@ -174,8 +174,8 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err,
174 174
175 if (unlikely(!(sbale->flags & SBAL_FLAGS_LAST_ENTRY))) 175 if (unlikely(!(sbale->flags & SBAL_FLAGS_LAST_ENTRY)))
176 dev_warn(&adapter->ccw_device->dev, 176 dev_warn(&adapter->ccw_device->dev,
177 "Protocol violation by adapter. " 177 "A QDIO protocol error occurred, "
178 "Continuing operations.\n"); 178 "operations continue\n");
179 } 179 }
180 180
181 /* 181 /*
@@ -190,8 +190,7 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err,
190 * @fsf_req: pointer to struct fsf_req 190 * @fsf_req: pointer to struct fsf_req
191 * Returns: pointer to qdio_buffer_element (SBALE) structure 191 * Returns: pointer to qdio_buffer_element (SBALE) structure
192 */ 192 */
193volatile struct qdio_buffer_element * 193struct qdio_buffer_element *zfcp_qdio_sbale_req(struct zfcp_fsf_req *req)
194zfcp_qdio_sbale_req(struct zfcp_fsf_req *req)
195{ 194{
196 return zfcp_qdio_sbale(&req->adapter->req_q, req->sbal_last, 0); 195 return zfcp_qdio_sbale(&req->adapter->req_q, req->sbal_last, 0);
197} 196}
@@ -201,8 +200,7 @@ zfcp_qdio_sbale_req(struct zfcp_fsf_req *req)
201 * @fsf_req: pointer to struct fsf_req 200 * @fsf_req: pointer to struct fsf_req
202 * Returns: pointer to qdio_buffer_element (SBALE) structure 201 * Returns: pointer to qdio_buffer_element (SBALE) structure
203 */ 202 */
204volatile struct qdio_buffer_element * 203struct qdio_buffer_element *zfcp_qdio_sbale_curr(struct zfcp_fsf_req *req)
205zfcp_qdio_sbale_curr(struct zfcp_fsf_req *req)
206{ 204{
207 return zfcp_qdio_sbale(&req->adapter->req_q, req->sbal_last, 205 return zfcp_qdio_sbale(&req->adapter->req_q, req->sbal_last,
208 req->sbale_curr); 206 req->sbale_curr);
@@ -216,10 +214,10 @@ static void zfcp_qdio_sbal_limit(struct zfcp_fsf_req *fsf_req, int max_sbals)
216 % QDIO_MAX_BUFFERS_PER_Q; 214 % QDIO_MAX_BUFFERS_PER_Q;
217} 215}
218 216
219static volatile struct qdio_buffer_element * 217static struct qdio_buffer_element *
220zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype) 218zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
221{ 219{
222 volatile struct qdio_buffer_element *sbale; 220 struct qdio_buffer_element *sbale;
223 221
224 /* set last entry flag in current SBALE of current SBAL */ 222 /* set last entry flag in current SBALE of current SBAL */
225 sbale = zfcp_qdio_sbale_curr(fsf_req); 223 sbale = zfcp_qdio_sbale_curr(fsf_req);
@@ -250,7 +248,7 @@ zfcp_qdio_sbal_chain(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
250 return sbale; 248 return sbale;
251} 249}
252 250
253static volatile struct qdio_buffer_element * 251static struct qdio_buffer_element *
254zfcp_qdio_sbale_next(struct zfcp_fsf_req *fsf_req, unsigned long sbtype) 252zfcp_qdio_sbale_next(struct zfcp_fsf_req *fsf_req, unsigned long sbtype)
255{ 253{
256 if (fsf_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL) 254 if (fsf_req->sbale_curr == ZFCP_LAST_SBALE_PER_SBAL)
@@ -273,7 +271,7 @@ static int zfcp_qdio_fill_sbals(struct zfcp_fsf_req *fsf_req,
273 unsigned int sbtype, void *start_addr, 271 unsigned int sbtype, void *start_addr,
274 unsigned int total_length) 272 unsigned int total_length)
275{ 273{
276 volatile struct qdio_buffer_element *sbale; 274 struct qdio_buffer_element *sbale;
277 unsigned long remaining, length; 275 unsigned long remaining, length;
278 void *addr; 276 void *addr;
279 277
@@ -282,6 +280,7 @@ static int zfcp_qdio_fill_sbals(struct zfcp_fsf_req *fsf_req,
282 addr += length, remaining -= length) { 280 addr += length, remaining -= length) {
283 sbale = zfcp_qdio_sbale_next(fsf_req, sbtype); 281 sbale = zfcp_qdio_sbale_next(fsf_req, sbtype);
284 if (!sbale) { 282 if (!sbale) {
283 atomic_inc(&fsf_req->adapter->qdio_outb_full);
285 zfcp_qdio_undo_sbals(fsf_req); 284 zfcp_qdio_undo_sbals(fsf_req);
286 return -EINVAL; 285 return -EINVAL;
287 } 286 }
@@ -307,7 +306,7 @@ static int zfcp_qdio_fill_sbals(struct zfcp_fsf_req *fsf_req,
307int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype, 306int zfcp_qdio_sbals_from_sg(struct zfcp_fsf_req *fsf_req, unsigned long sbtype,
308 struct scatterlist *sg, int max_sbals) 307 struct scatterlist *sg, int max_sbals)
309{ 308{
310 volatile struct qdio_buffer_element *sbale; 309 struct qdio_buffer_element *sbale;
311 int retval, bytes = 0; 310 int retval, bytes = 0;
312 311
313 /* figure out last allowed SBAL */ 312 /* figure out last allowed SBAL */
@@ -344,10 +343,10 @@ int zfcp_qdio_send(struct zfcp_fsf_req *fsf_req)
344 int first = fsf_req->sbal_first; 343 int first = fsf_req->sbal_first;
345 int count = fsf_req->sbal_number; 344 int count = fsf_req->sbal_number;
346 int retval, pci, pci_batch; 345 int retval, pci, pci_batch;
347 volatile struct qdio_buffer_element *sbale; 346 struct qdio_buffer_element *sbale;
348 347
349 /* acknowledgements for transferred buffers */ 348 /* acknowledgements for transferred buffers */
350 pci_batch = req_q->pci_batch + count; 349 pci_batch = adapter->req_q_pci_batch + count;
351 if (unlikely(pci_batch >= ZFCP_QDIO_PCI_INTERVAL)) { 350 if (unlikely(pci_batch >= ZFCP_QDIO_PCI_INTERVAL)) {
352 pci_batch %= ZFCP_QDIO_PCI_INTERVAL; 351 pci_batch %= ZFCP_QDIO_PCI_INTERVAL;
353 pci = first + count - (pci_batch + 1); 352 pci = first + count - (pci_batch + 1);
@@ -367,7 +366,7 @@ int zfcp_qdio_send(struct zfcp_fsf_req *fsf_req)
367 atomic_sub(count, &req_q->count); 366 atomic_sub(count, &req_q->count);
368 req_q->first += count; 367 req_q->first += count;
369 req_q->first %= QDIO_MAX_BUFFERS_PER_Q; 368 req_q->first %= QDIO_MAX_BUFFERS_PER_Q;
370 req_q->pci_batch = pci_batch; 369 adapter->req_q_pci_batch = pci_batch;
371 return 0; 370 return 0;
372} 371}
373 372
@@ -418,14 +417,14 @@ void zfcp_qdio_close(struct zfcp_adapter *adapter)
418 struct zfcp_qdio_queue *req_q; 417 struct zfcp_qdio_queue *req_q;
419 int first, count; 418 int first, count;
420 419
421 if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status)) 420 if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP))
422 return; 421 return;
423 422
424 /* clear QDIOUP flag, thus do_QDIO is not called during qdio_shutdown */ 423 /* clear QDIOUP flag, thus do_QDIO is not called during qdio_shutdown */
425 req_q = &adapter->req_q; 424 req_q = &adapter->req_q;
426 spin_lock_bh(&req_q->lock); 425 spin_lock_bh(&adapter->req_q_lock);
427 atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status); 426 atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status);
428 spin_unlock_bh(&req_q->lock); 427 spin_unlock_bh(&adapter->req_q_lock);
429 428
430 qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR); 429 qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR);
431 430
@@ -438,7 +437,7 @@ void zfcp_qdio_close(struct zfcp_adapter *adapter)
438 } 437 }
439 req_q->first = 0; 438 req_q->first = 0;
440 atomic_set(&req_q->count, 0); 439 atomic_set(&req_q->count, 0);
441 req_q->pci_batch = 0; 440 adapter->req_q_pci_batch = 0;
442 adapter->resp_q.first = 0; 441 adapter->resp_q.first = 0;
443 atomic_set(&adapter->resp_q.count, 0); 442 atomic_set(&adapter->resp_q.count, 0);
444} 443}
@@ -450,23 +449,17 @@ void zfcp_qdio_close(struct zfcp_adapter *adapter)
450 */ 449 */
451int zfcp_qdio_open(struct zfcp_adapter *adapter) 450int zfcp_qdio_open(struct zfcp_adapter *adapter)
452{ 451{
453 volatile struct qdio_buffer_element *sbale; 452 struct qdio_buffer_element *sbale;
454 int cc; 453 int cc;
455 454
456 if (atomic_test_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &adapter->status)) 455 if (atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)
457 return -EIO; 456 return -EIO;
458 457
459 if (qdio_establish(&adapter->qdio_init_data)) { 458 if (qdio_establish(&adapter->qdio_init_data))
460 dev_err(&adapter->ccw_device->dev, 459 goto failed_establish;
461 "Establish of QDIO queues failed.\n");
462 return -EIO;
463 }
464 460
465 if (qdio_activate(adapter->ccw_device)) { 461 if (qdio_activate(adapter->ccw_device))
466 dev_err(&adapter->ccw_device->dev,
467 "Activate of QDIO queues failed.\n");
468 goto failed_qdio; 462 goto failed_qdio;
469 }
470 463
471 for (cc = 0; cc < QDIO_MAX_BUFFERS_PER_Q; cc++) { 464 for (cc = 0; cc < QDIO_MAX_BUFFERS_PER_Q; cc++) {
472 sbale = &(adapter->resp_q.sbal[cc]->element[0]); 465 sbale = &(adapter->resp_q.sbal[cc]->element[0]);
@@ -476,20 +469,20 @@ int zfcp_qdio_open(struct zfcp_adapter *adapter)
476 } 469 }
477 470
478 if (do_QDIO(adapter->ccw_device, QDIO_FLAG_SYNC_INPUT, 0, 0, 471 if (do_QDIO(adapter->ccw_device, QDIO_FLAG_SYNC_INPUT, 0, 0,
479 QDIO_MAX_BUFFERS_PER_Q)) { 472 QDIO_MAX_BUFFERS_PER_Q))
480 dev_err(&adapter->ccw_device->dev,
481 "Init of QDIO response queue failed.\n");
482 goto failed_qdio; 473 goto failed_qdio;
483 }
484 474
485 /* set index of first avalable SBALS / number of available SBALS */ 475 /* set index of first avalable SBALS / number of available SBALS */
486 adapter->req_q.first = 0; 476 adapter->req_q.first = 0;
487 atomic_set(&adapter->req_q.count, QDIO_MAX_BUFFERS_PER_Q); 477 atomic_set(&adapter->req_q.count, QDIO_MAX_BUFFERS_PER_Q);
488 adapter->req_q.pci_batch = 0; 478 adapter->req_q_pci_batch = 0;
489 479
490 return 0; 480 return 0;
491 481
492failed_qdio: 482failed_qdio:
493 qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR); 483 qdio_shutdown(adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR);
484failed_establish:
485 dev_err(&adapter->ccw_device->dev,
486 "Setting up the QDIO connection to the FCP adapter failed\n");
494 return -EIO; 487 return -EIO;
495} 488}
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index aeae56b00b45..ca8f85f3dad4 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -21,20 +21,6 @@ char *zfcp_get_fcp_sns_info_ptr(struct fcp_rsp_iu *fcp_rsp_iu)
21 return fcp_sns_info_ptr; 21 return fcp_sns_info_ptr;
22} 22}
23 23
24void zfcp_set_fcp_dl(struct fcp_cmnd_iu *fcp_cmd, fcp_dl_t fcp_dl)
25{
26 fcp_dl_t *fcp_dl_ptr;
27
28 /*
29 * fcp_dl_addr = start address of fcp_cmnd structure +
30 * size of fixed part + size of dynamically sized add_dcp_cdb field
31 * SEE FCP-2 documentation
32 */
33 fcp_dl_ptr = (fcp_dl_t *) ((unsigned char *) &fcp_cmd[1] +
34 (fcp_cmd->add_fcp_cdb_length << 2));
35 *fcp_dl_ptr = fcp_dl;
36}
37
38static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt) 24static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt)
39{ 25{
40 struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata; 26 struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata;
@@ -119,13 +105,17 @@ static struct zfcp_unit *zfcp_unit_lookup(struct zfcp_adapter *adapter,
119{ 105{
120 struct zfcp_port *port; 106 struct zfcp_port *port;
121 struct zfcp_unit *unit; 107 struct zfcp_unit *unit;
108 int scsi_lun;
122 109
123 list_for_each_entry(port, &adapter->port_list_head, list) { 110 list_for_each_entry(port, &adapter->port_list_head, list) {
124 if (!port->rport || (id != port->rport->scsi_target_id)) 111 if (!port->rport || (id != port->rport->scsi_target_id))
125 continue; 112 continue;
126 list_for_each_entry(unit, &port->unit_list_head, list) 113 list_for_each_entry(unit, &port->unit_list_head, list) {
127 if (lun == unit->scsi_lun) 114 scsi_lun = scsilun_to_int(
115 (struct scsi_lun *)&unit->fcp_lun);
116 if (lun == scsi_lun)
128 return unit; 117 return unit;
118 }
129 } 119 }
130 120
131 return NULL; 121 return NULL;
@@ -183,7 +173,6 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
183 return retval; 173 return retval;
184 } 174 }
185 fsf_req->data = NULL; 175 fsf_req->data = NULL;
186 fsf_req->status |= ZFCP_STATUS_FSFREQ_ABORTING;
187 176
188 /* don't access old fsf_req after releasing the abort_lock */ 177 /* don't access old fsf_req after releasing the abort_lock */
189 write_unlock_irqrestore(&adapter->abort_lock, flags); 178 write_unlock_irqrestore(&adapter->abort_lock, flags);
@@ -294,7 +283,8 @@ int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
294 sizeof (struct zfcp_adapter *)); 283 sizeof (struct zfcp_adapter *));
295 if (!adapter->scsi_host) { 284 if (!adapter->scsi_host) {
296 dev_err(&adapter->ccw_device->dev, 285 dev_err(&adapter->ccw_device->dev,
297 "registration with SCSI stack failed."); 286 "Registering the FCP device with the "
287 "SCSI stack failed\n");
298 return -EIO; 288 return -EIO;
299 } 289 }
300 290
@@ -312,7 +302,6 @@ int zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
312 scsi_host_put(adapter->scsi_host); 302 scsi_host_put(adapter->scsi_host);
313 return -EIO; 303 return -EIO;
314 } 304 }
315 atomic_set_mask(ZFCP_STATUS_ADAPTER_REGISTERED, &adapter->status);
316 305
317 return 0; 306 return 0;
318} 307}
@@ -336,7 +325,6 @@ void zfcp_adapter_scsi_unregister(struct zfcp_adapter *adapter)
336 scsi_remove_host(shost); 325 scsi_remove_host(shost);
337 scsi_host_put(shost); 326 scsi_host_put(shost);
338 adapter->scsi_host = NULL; 327 adapter->scsi_host = NULL;
339 atomic_clear_mask(ZFCP_STATUS_ADAPTER_REGISTERED, &adapter->status);
340 328
341 return; 329 return;
342} 330}
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 2e85c6c49e7d..2809d789b55c 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -26,9 +26,9 @@ static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \
26ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, status, "0x%08x\n", 26ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, status, "0x%08x\n",
27 atomic_read(&adapter->status)); 27 atomic_read(&adapter->status));
28ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, peer_wwnn, "0x%016llx\n", 28ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, peer_wwnn, "0x%016llx\n",
29 adapter->peer_wwnn); 29 (unsigned long long) adapter->peer_wwnn);
30ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, peer_wwpn, "0x%016llx\n", 30ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, peer_wwpn, "0x%016llx\n",
31 adapter->peer_wwpn); 31 (unsigned long long) adapter->peer_wwpn);
32ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, peer_d_id, "0x%06x\n", 32ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, peer_d_id, "0x%06x\n",
33 adapter->peer_d_id); 33 adapter->peer_d_id);
34ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, card_version, "0x%04x\n", 34ZFCP_DEFINE_ATTR(zfcp_adapter, adapter, card_version, "0x%04x\n",
@@ -135,8 +135,9 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
135{ 135{
136 struct zfcp_adapter *adapter = dev_get_drvdata(dev); 136 struct zfcp_adapter *adapter = dev_get_drvdata(dev);
137 struct zfcp_port *port; 137 struct zfcp_port *port;
138 wwn_t wwpn; 138 u64 wwpn;
139 int retval = 0; 139 int retval = 0;
140 LIST_HEAD(port_remove_lh);
140 141
141 down(&zfcp_data.config_sema); 142 down(&zfcp_data.config_sema);
142 if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_REMOVE) { 143 if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_REMOVE) {
@@ -144,7 +145,7 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
144 goto out; 145 goto out;
145 } 146 }
146 147
147 if (strict_strtoull(buf, 0, &wwpn)) { 148 if (strict_strtoull(buf, 0, (unsigned long long *) &wwpn)) {
148 retval = -EINVAL; 149 retval = -EINVAL;
149 goto out; 150 goto out;
150 } 151 }
@@ -154,7 +155,7 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev,
154 if (port && (atomic_read(&port->refcount) == 0)) { 155 if (port && (atomic_read(&port->refcount) == 0)) {
155 zfcp_port_get(port); 156 zfcp_port_get(port);
156 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status); 157 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status);
157 list_move(&port->list, &adapter->port_remove_lh); 158 list_move(&port->list, &port_remove_lh);
158 } else 159 } else
159 port = NULL; 160 port = NULL;
160 write_unlock_irq(&zfcp_data.config_lock); 161 write_unlock_irq(&zfcp_data.config_lock);
@@ -200,7 +201,7 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
200{ 201{
201 struct zfcp_port *port = dev_get_drvdata(dev); 202 struct zfcp_port *port = dev_get_drvdata(dev);
202 struct zfcp_unit *unit; 203 struct zfcp_unit *unit;
203 fcp_lun_t fcp_lun; 204 u64 fcp_lun;
204 int retval = -EINVAL; 205 int retval = -EINVAL;
205 206
206 down(&zfcp_data.config_sema); 207 down(&zfcp_data.config_sema);
@@ -209,7 +210,7 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
209 goto out; 210 goto out;
210 } 211 }
211 212
212 if (strict_strtoull(buf, 0, &fcp_lun)) 213 if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun))
213 goto out; 214 goto out;
214 215
215 unit = zfcp_unit_enqueue(port, fcp_lun); 216 unit = zfcp_unit_enqueue(port, fcp_lun);
@@ -233,8 +234,9 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
233{ 234{
234 struct zfcp_port *port = dev_get_drvdata(dev); 235 struct zfcp_port *port = dev_get_drvdata(dev);
235 struct zfcp_unit *unit; 236 struct zfcp_unit *unit;
236 fcp_lun_t fcp_lun; 237 u64 fcp_lun;
237 int retval = 0; 238 int retval = 0;
239 LIST_HEAD(unit_remove_lh);
238 240
239 down(&zfcp_data.config_sema); 241 down(&zfcp_data.config_sema);
240 if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_REMOVE) { 242 if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_REMOVE) {
@@ -242,7 +244,7 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
242 goto out; 244 goto out;
243 } 245 }
244 246
245 if (strict_strtoull(buf, 0, &fcp_lun)) { 247 if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun)) {
246 retval = -EINVAL; 248 retval = -EINVAL;
247 goto out; 249 goto out;
248 } 250 }
@@ -252,7 +254,7 @@ static ssize_t zfcp_sysfs_unit_remove_store(struct device *dev,
252 if (unit && (atomic_read(&unit->refcount) == 0)) { 254 if (unit && (atomic_read(&unit->refcount) == 0)) {
253 zfcp_unit_get(unit); 255 zfcp_unit_get(unit);
254 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status); 256 atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &unit->status);
255 list_move(&unit->list, &port->unit_remove_lh); 257 list_move(&unit->list, &unit_remove_lh);
256 } else 258 } else
257 unit = NULL; 259 unit = NULL;
258 260
@@ -273,22 +275,7 @@ out:
273} 275}
274static DEVICE_ATTR(unit_remove, S_IWUSR, NULL, zfcp_sysfs_unit_remove_store); 276static DEVICE_ATTR(unit_remove, S_IWUSR, NULL, zfcp_sysfs_unit_remove_store);
275 277
276static struct attribute *zfcp_port_ns_attrs[] = { 278static struct attribute *zfcp_port_attrs[] = {
277 &dev_attr_port_failed.attr,
278 &dev_attr_port_in_recovery.attr,
279 &dev_attr_port_status.attr,
280 &dev_attr_port_access_denied.attr,
281 NULL
282};
283
284/**
285 * zfcp_sysfs_ns_port_attrs - sysfs attributes for nameserver
286 */
287struct attribute_group zfcp_sysfs_ns_port_attrs = {
288 .attrs = zfcp_port_ns_attrs,
289};
290
291static struct attribute *zfcp_port_no_ns_attrs[] = {
292 &dev_attr_unit_add.attr, 279 &dev_attr_unit_add.attr,
293 &dev_attr_unit_remove.attr, 280 &dev_attr_unit_remove.attr,
294 &dev_attr_port_failed.attr, 281 &dev_attr_port_failed.attr,
@@ -302,7 +289,7 @@ static struct attribute *zfcp_port_no_ns_attrs[] = {
302 * zfcp_sysfs_port_attrs - sysfs attributes for all other ports 289 * zfcp_sysfs_port_attrs - sysfs attributes for all other ports
303 */ 290 */
304struct attribute_group zfcp_sysfs_port_attrs = { 291struct attribute_group zfcp_sysfs_port_attrs = {
305 .attrs = zfcp_port_no_ns_attrs, 292 .attrs = zfcp_port_attrs,
306}; 293};
307 294
308static struct attribute *zfcp_unit_attrs[] = { 295static struct attribute *zfcp_unit_attrs[] = {
@@ -395,8 +382,10 @@ static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL);
395 382
396ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n", 383ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n",
397 unit->port->adapter->ccw_device->dev.bus_id); 384 unit->port->adapter->ccw_device->dev.bus_id);
398ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n", unit->port->wwpn); 385ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n",
399ZFCP_DEFINE_SCSI_ATTR(fcp_lun, "0x%016llx\n", unit->fcp_lun); 386 (unsigned long long) unit->port->wwpn);
387ZFCP_DEFINE_SCSI_ATTR(fcp_lun, "0x%016llx\n",
388 (unsigned long long) unit->fcp_lun);
400 389
401struct device_attribute *zfcp_sysfs_sdev_attrs[] = { 390struct device_attribute *zfcp_sysfs_sdev_attrs[] = {
402 &dev_attr_fcp_lun, 391 &dev_attr_fcp_lun,
@@ -487,10 +476,23 @@ ZFCP_SHOST_ATTR(megabytes, "%llu %llu\n",
487ZFCP_SHOST_ATTR(seconds_active, "%llu\n", 476ZFCP_SHOST_ATTR(seconds_active, "%llu\n",
488 (unsigned long long) stat_info.seconds_act); 477 (unsigned long long) stat_info.seconds_act);
489 478
479static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
480 struct device_attribute *attr,
481 char *buf)
482{
483 struct Scsi_Host *scsi_host = class_to_shost(dev);
484 struct zfcp_adapter *adapter =
485 (struct zfcp_adapter *) scsi_host->hostdata[0];
486
487 return sprintf(buf, "%d\n", atomic_read(&adapter->qdio_outb_full));
488}
489static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);
490
490struct device_attribute *zfcp_sysfs_shost_attrs[] = { 491struct device_attribute *zfcp_sysfs_shost_attrs[] = {
491 &dev_attr_utilization, 492 &dev_attr_utilization,
492 &dev_attr_requests, 493 &dev_attr_requests,
493 &dev_attr_megabytes, 494 &dev_attr_megabytes,
494 &dev_attr_seconds_active, 495 &dev_attr_seconds_active,
496 &dev_attr_queue_full,
495 NULL 497 NULL
496}; 498};
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 4e0322b1c1ea..d3b211af4e1c 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1325,14 +1325,6 @@ config SCSI_QLOGIC_FAS
1325 To compile this driver as a module, choose M here: the 1325 To compile this driver as a module, choose M here: the
1326 module will be called qlogicfas. 1326 module will be called qlogicfas.
1327 1327
1328config SCSI_QLOGIC_FC_FIRMWARE
1329 bool "Include loadable firmware in driver"
1330 depends on SCSI_QLOGIC_FC
1331 help
1332 Say Y to include ISP2X00 Fabric Initiator/Target Firmware, with
1333 expanded LUN addressing and FcTape (FCP-2) support, in the
1334 qlogicfc driver. This is required on some platforms.
1335
1336config SCSI_QLOGIC_1280 1328config SCSI_QLOGIC_1280
1337 tristate "Qlogic QLA 1240/1x80/1x160 SCSI support" 1329 tristate "Qlogic QLA 1240/1x80/1x160 SCSI support"
1338 depends on PCI && SCSI 1330 depends on PCI && SCSI
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index ef693e8412e9..8f45570a8a01 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -84,7 +84,7 @@ struct clariion_dh_data {
84 /* 84 /*
85 * I/O buffer for both MODE_SELECT and INQUIRY commands. 85 * I/O buffer for both MODE_SELECT and INQUIRY commands.
86 */ 86 */
87 char buffer[CLARIION_BUFFER_SIZE]; 87 unsigned char buffer[CLARIION_BUFFER_SIZE];
88 /* 88 /*
89 * SCSI sense buffer for commands -- assumes serial issuance 89 * SCSI sense buffer for commands -- assumes serial issuance
90 * and completion sequence of all commands for same multipath. 90 * and completion sequence of all commands for same multipath.
@@ -176,7 +176,7 @@ static int parse_sp_info_reply(struct scsi_device *sdev,
176 err = SCSI_DH_DEV_TEMP_BUSY; 176 err = SCSI_DH_DEV_TEMP_BUSY;
177 goto out; 177 goto out;
178 } 178 }
179 if (csdev->buffer[4] < 0 || csdev->buffer[4] > 2) { 179 if (csdev->buffer[4] > 2) {
180 /* Invalid buffer format */ 180 /* Invalid buffer format */
181 sdev_printk(KERN_NOTICE, sdev, 181 sdev_printk(KERN_NOTICE, sdev,
182 "%s: invalid VPD page 0xC0 format\n", 182 "%s: invalid VPD page 0xC0 format\n",
@@ -278,7 +278,6 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
278 return NULL; 278 return NULL;
279 } 279 }
280 280
281 memset(rq->cmd, 0, BLK_MAX_CDB);
282 rq->cmd_len = COMMAND_SIZE(cmd); 281 rq->cmd_len = COMMAND_SIZE(cmd);
283 rq->cmd[0] = cmd; 282 rq->cmd[0] = cmd;
284 283
diff --git a/drivers/scsi/device_handler/scsi_dh_hp_sw.c b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
index a6a4ef3ad51c..5e93c88ad66b 100644
--- a/drivers/scsi/device_handler/scsi_dh_hp_sw.c
+++ b/drivers/scsi/device_handler/scsi_dh_hp_sw.c
@@ -114,7 +114,6 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
114 req->cmd_type = REQ_TYPE_BLOCK_PC; 114 req->cmd_type = REQ_TYPE_BLOCK_PC;
115 req->cmd_flags |= REQ_FAILFAST; 115 req->cmd_flags |= REQ_FAILFAST;
116 req->cmd_len = COMMAND_SIZE(TEST_UNIT_READY); 116 req->cmd_len = COMMAND_SIZE(TEST_UNIT_READY);
117 memset(req->cmd, 0, MAX_COMMAND_SIZE);
118 req->cmd[0] = TEST_UNIT_READY; 117 req->cmd[0] = TEST_UNIT_READY;
119 req->timeout = HP_SW_TIMEOUT; 118 req->timeout = HP_SW_TIMEOUT;
120 req->sense = h->sense; 119 req->sense = h->sense;
@@ -207,7 +206,6 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
207 req->cmd_type = REQ_TYPE_BLOCK_PC; 206 req->cmd_type = REQ_TYPE_BLOCK_PC;
208 req->cmd_flags |= REQ_FAILFAST; 207 req->cmd_flags |= REQ_FAILFAST;
209 req->cmd_len = COMMAND_SIZE(START_STOP); 208 req->cmd_len = COMMAND_SIZE(START_STOP);
210 memset(req->cmd, 0, MAX_COMMAND_SIZE);
211 req->cmd[0] = START_STOP; 209 req->cmd[0] = START_STOP;
212 req->cmd[4] = 1; /* Start spin cycle */ 210 req->cmd[4] = 1; /* Start spin cycle */
213 req->timeout = HP_SW_TIMEOUT; 211 req->timeout = HP_SW_TIMEOUT;
diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c
index 6e2f130d56de..50bf95f3b5c4 100644
--- a/drivers/scsi/device_handler/scsi_dh_rdac.c
+++ b/drivers/scsi/device_handler/scsi_dh_rdac.c
@@ -225,8 +225,6 @@ static struct request *get_rdac_req(struct scsi_device *sdev,
225 return NULL; 225 return NULL;
226 } 226 }
227 227
228 memset(rq->cmd, 0, BLK_MAX_CDB);
229
230 rq->cmd_type = REQ_TYPE_BLOCK_PC; 228 rq->cmd_type = REQ_TYPE_BLOCK_PC;
231 rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE; 229 rq->cmd_flags |= REQ_FAILFAST | REQ_NOMERGE;
232 rq->retries = RDAC_RETRIES; 230 rq->retries = RDAC_RETRIES;
@@ -590,6 +588,8 @@ static const struct scsi_dh_devlist rdac_dev_list[] = {
590 {"STK", "OPENstorage D280"}, 588 {"STK", "OPENstorage D280"},
591 {"SUN", "CSM200_R"}, 589 {"SUN", "CSM200_R"},
592 {"SUN", "LCSM100_F"}, 590 {"SUN", "LCSM100_F"},
591 {"DELL", "MD3000"},
592 {"DELL", "MD3000i"},
593 {NULL, NULL}, 593 {NULL, NULL},
594}; 594};
595 595
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index fed0b02ebc1d..3fdbb13e80a8 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -464,7 +464,7 @@ static int __scsi_host_match(struct device *dev, void *data)
464struct Scsi_Host *scsi_host_lookup(unsigned short hostnum) 464struct Scsi_Host *scsi_host_lookup(unsigned short hostnum)
465{ 465{
466 struct device *cdev; 466 struct device *cdev;
467 struct Scsi_Host *shost = ERR_PTR(-ENXIO); 467 struct Scsi_Host *shost = NULL;
468 468
469 cdev = class_find_device(&shost_class, NULL, &hostnum, 469 cdev = class_find_device(&shost_class, NULL, &hostnum,
470 __scsi_host_match); 470 __scsi_host_match);
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 1eca82420aab..da7b67d30d9a 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1456,7 +1456,7 @@ static void fail_all_commands(struct iscsi_conn *conn, unsigned lun,
1456 if (lun == task->sc->device->lun || lun == -1) { 1456 if (lun == task->sc->device->lun || lun == -1) {
1457 debug_scsi("failing in progress sc %p itt 0x%x\n", 1457 debug_scsi("failing in progress sc %p itt 0x%x\n",
1458 task->sc, task->itt); 1458 task->sc, task->itt);
1459 fail_command(conn, task, DID_BUS_BUSY << 16); 1459 fail_command(conn, task, error << 16);
1460 } 1460 }
1461 } 1461 }
1462} 1462}
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 45e7dcb4b34d..0ddfe7106b3b 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -292,10 +292,11 @@ qla2x00_sysfs_write_optrom_ctl(struct kobject *kobj,
292 valid = 0; 292 valid = 0;
293 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0) 293 if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
294 valid = 1; 294 valid = 1;
295 else if (start == (FA_BOOT_CODE_ADDR*4) || 295 else if (start == (ha->flt_region_boot * 4) ||
296 start == (FA_RISC_CODE_ADDR*4)) 296 start == (ha->flt_region_fw * 4))
297 valid = 1; 297 valid = 1;
298 else if (IS_QLA25XX(ha) && start == (FA_VPD_NVRAM_ADDR*4)) 298 else if (IS_QLA25XX(ha) &&
299 start == (ha->flt_region_vpd_nvram * 4))
299 valid = 1; 300 valid = 1;
300 if (!valid) { 301 if (!valid) {
301 qla_printk(KERN_WARNING, ha, 302 qla_printk(KERN_WARNING, ha,
@@ -1065,6 +1066,8 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
1065 pfc_host_stat->dumped_frames = stats->dumped_frames; 1066 pfc_host_stat->dumped_frames = stats->dumped_frames;
1066 pfc_host_stat->nos_count = stats->nos_rcvd; 1067 pfc_host_stat->nos_count = stats->nos_rcvd;
1067 } 1068 }
1069 pfc_host_stat->fcp_input_megabytes = ha->qla_stats.input_bytes >> 20;
1070 pfc_host_stat->fcp_output_megabytes = ha->qla_stats.output_bytes >> 20;
1068 1071
1069done_free: 1072done_free:
1070 dma_pool_free(ha->s_dma_pool, stats, stats_dma); 1073 dma_pool_free(ha->s_dma_pool, stats, stats_dma);
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 94a720eabfd8..83c819216771 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -25,7 +25,6 @@
25#include <linux/firmware.h> 25#include <linux/firmware.h>
26#include <linux/aer.h> 26#include <linux/aer.h>
27#include <linux/mutex.h> 27#include <linux/mutex.h>
28#include <linux/semaphore.h>
29 28
30#include <scsi/scsi.h> 29#include <scsi/scsi.h>
31#include <scsi/scsi_host.h> 30#include <scsi/scsi_host.h>
@@ -2157,6 +2156,8 @@ struct qla_chip_state_84xx {
2157 2156
2158struct qla_statistics { 2157struct qla_statistics {
2159 uint32_t total_isp_aborts; 2158 uint32_t total_isp_aborts;
2159 uint64_t input_bytes;
2160 uint64_t output_bytes;
2160}; 2161};
2161 2162
2162/* 2163/*
@@ -2238,6 +2239,7 @@ typedef struct scsi_qla_host {
2238#define FCPORT_UPDATE_NEEDED 27 2239#define FCPORT_UPDATE_NEEDED 27
2239#define VP_DPC_NEEDED 28 /* wake up for VP dpc handling */ 2240#define VP_DPC_NEEDED 28 /* wake up for VP dpc handling */
2240#define UNLOADING 29 2241#define UNLOADING 29
2242#define NPIV_CONFIG_NEEDED 30
2241 2243
2242 uint32_t device_flags; 2244 uint32_t device_flags;
2243#define DFLG_LOCAL_DEVICES BIT_0 2245#define DFLG_LOCAL_DEVICES BIT_0
@@ -2507,7 +2509,6 @@ typedef struct scsi_qla_host {
2507 uint64_t fce_wr, fce_rd; 2509 uint64_t fce_wr, fce_rd;
2508 struct mutex fce_mutex; 2510 struct mutex fce_mutex;
2509 2511
2510 uint32_t hw_event_start;
2511 uint32_t hw_event_ptr; 2512 uint32_t hw_event_ptr;
2512 uint32_t hw_event_pause_errors; 2513 uint32_t hw_event_pause_errors;
2513 2514
@@ -2553,6 +2554,14 @@ typedef struct scsi_qla_host {
2553 uint32_t fdt_unprotect_sec_cmd; 2554 uint32_t fdt_unprotect_sec_cmd;
2554 uint32_t fdt_protect_sec_cmd; 2555 uint32_t fdt_protect_sec_cmd;
2555 2556
2557 uint32_t flt_region_flt;
2558 uint32_t flt_region_fdt;
2559 uint32_t flt_region_boot;
2560 uint32_t flt_region_fw;
2561 uint32_t flt_region_vpd_nvram;
2562 uint32_t flt_region_hw_event;
2563 uint32_t flt_region_npiv_conf;
2564
2556 /* Needed for BEACON */ 2565 /* Needed for BEACON */
2557 uint16_t beacon_blink_led; 2566 uint16_t beacon_blink_led;
2558 uint8_t beacon_color_state; 2567 uint8_t beacon_color_state;
diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h
index cf194517400d..d1d14202575a 100644
--- a/drivers/scsi/qla2xxx/qla_fw.h
+++ b/drivers/scsi/qla2xxx/qla_fw.h
@@ -789,14 +789,23 @@ struct device_reg_24xx {
789#define FA_RISC_CODE_ADDR 0x20000 789#define FA_RISC_CODE_ADDR 0x20000
790#define FA_RISC_CODE_SEGMENTS 2 790#define FA_RISC_CODE_SEGMENTS 2
791 791
792#define FA_FLASH_DESCR_ADDR_24 0x11000
793#define FA_FLASH_LAYOUT_ADDR_24 0x11400
794#define FA_NPIV_CONF0_ADDR_24 0x16000
795#define FA_NPIV_CONF1_ADDR_24 0x17000
796
792#define FA_FW_AREA_ADDR 0x40000 797#define FA_FW_AREA_ADDR 0x40000
793#define FA_VPD_NVRAM_ADDR 0x48000 798#define FA_VPD_NVRAM_ADDR 0x48000
794#define FA_FEATURE_ADDR 0x4C000 799#define FA_FEATURE_ADDR 0x4C000
795#define FA_FLASH_DESCR_ADDR 0x50000 800#define FA_FLASH_DESCR_ADDR 0x50000
801#define FA_FLASH_LAYOUT_ADDR 0x50400
796#define FA_HW_EVENT0_ADDR 0x54000 802#define FA_HW_EVENT0_ADDR 0x54000
797#define FA_HW_EVENT1_ADDR 0x54200 803#define FA_HW_EVENT1_ADDR 0x54400
798#define FA_HW_EVENT_SIZE 0x200 804#define FA_HW_EVENT_SIZE 0x200
799#define FA_HW_EVENT_ENTRY_SIZE 4 805#define FA_HW_EVENT_ENTRY_SIZE 4
806#define FA_NPIV_CONF0_ADDR 0x5C000
807#define FA_NPIV_CONF1_ADDR 0x5D000
808
800/* 809/*
801 * Flash Error Log Event Codes. 810 * Flash Error Log Event Codes.
802 */ 811 */
@@ -806,10 +815,6 @@ struct device_reg_24xx {
806#define HW_EVENT_NVRAM_CHKSUM_ERR 0xF023 815#define HW_EVENT_NVRAM_CHKSUM_ERR 0xF023
807#define HW_EVENT_FLASH_FW_ERR 0xF024 816#define HW_EVENT_FLASH_FW_ERR 0xF024
808 817
809#define FA_BOOT_LOG_ADDR 0x58000
810#define FA_FW_DUMP0_ADDR 0x60000
811#define FA_FW_DUMP1_ADDR 0x70000
812
813 uint32_t flash_data; /* Flash/NVRAM BIOS data. */ 818 uint32_t flash_data; /* Flash/NVRAM BIOS data. */
814 819
815 uint32_t ctrl_status; /* Control/Status. */ 820 uint32_t ctrl_status; /* Control/Status. */
@@ -1203,6 +1208,62 @@ struct qla_fdt_layout {
1203 uint8_t unused2[65]; 1208 uint8_t unused2[65];
1204}; 1209};
1205 1210
1211/* Flash Layout Table ********************************************************/
1212
1213struct qla_flt_location {
1214 uint8_t sig[4];
1215 uint32_t start_lo;
1216 uint32_t start_hi;
1217 uint16_t unused;
1218 uint16_t checksum;
1219};
1220
1221struct qla_flt_header {
1222 uint16_t version;
1223 uint16_t length;
1224 uint16_t checksum;
1225 uint16_t unused;
1226};
1227
1228#define FLT_REG_FW 0x01
1229#define FLT_REG_BOOT_CODE 0x07
1230#define FLT_REG_VPD_0 0x14
1231#define FLT_REG_NVRAM_0 0x15
1232#define FLT_REG_VPD_1 0x16
1233#define FLT_REG_NVRAM_1 0x17
1234#define FLT_REG_FDT 0x1a
1235#define FLT_REG_FLT 0x1c
1236#define FLT_REG_HW_EVENT_0 0x1d
1237#define FLT_REG_HW_EVENT_1 0x1f
1238#define FLT_REG_NPIV_CONF_0 0x29
1239#define FLT_REG_NPIV_CONF_1 0x2a
1240
1241struct qla_flt_region {
1242 uint32_t code;
1243 uint32_t size;
1244 uint32_t start;
1245 uint32_t end;
1246};
1247
1248/* Flash NPIV Configuration Table ********************************************/
1249
1250struct qla_npiv_header {
1251 uint8_t sig[2];
1252 uint16_t version;
1253 uint16_t entries;
1254 uint16_t unused[4];
1255 uint16_t checksum;
1256};
1257
1258struct qla_npiv_entry {
1259 uint16_t flags;
1260 uint16_t vf_id;
1261 uint16_t qos;
1262 uint16_t unused1;
1263 uint8_t port_name[WWN_SIZE];
1264 uint8_t node_name[WWN_SIZE];
1265};
1266
1206/* 84XX Support **************************************************************/ 1267/* 84XX Support **************************************************************/
1207 1268
1208#define MBA_ISP84XX_ALERT 0x800f /* Alert Notification. */ 1269#define MBA_ISP84XX_ALERT 0x800f /* Alert Notification. */
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 0b156735e9a6..753dbe6cce6e 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -313,9 +313,11 @@ extern int qla24xx_get_flash_version(scsi_qla_host_t *, void *);
313extern int qla2xxx_hw_event_log(scsi_qla_host_t *, uint16_t , uint16_t, 313extern int qla2xxx_hw_event_log(scsi_qla_host_t *, uint16_t , uint16_t,
314 uint16_t, uint16_t); 314 uint16_t, uint16_t);
315 315
316extern void qla2xxx_get_flash_info(scsi_qla_host_t *); 316extern int qla2xxx_get_flash_info(scsi_qla_host_t *);
317extern int qla2xxx_get_vpd_field(scsi_qla_host_t *, char *, char *, size_t); 317extern int qla2xxx_get_vpd_field(scsi_qla_host_t *, char *, char *, size_t);
318 318
319extern void qla2xxx_flash_npiv_conf(scsi_qla_host_t *);
320
319/* 321/*
320 * Global Function Prototypes in qla_dbg.c source file. 322 * Global Function Prototypes in qla_dbg.c source file.
321 */ 323 */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index ee89ddd64aae..a470f2d3270d 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -83,6 +83,13 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
83 83
84 ha->isp_ops->reset_chip(ha); 84 ha->isp_ops->reset_chip(ha);
85 85
86 rval = qla2xxx_get_flash_info(ha);
87 if (rval) {
88 DEBUG2(printk("scsi(%ld): Unable to validate FLASH data.\n",
89 ha->host_no));
90 return (rval);
91 }
92
86 ha->isp_ops->get_flash_version(ha, ha->request_ring); 93 ha->isp_ops->get_flash_version(ha, ha->request_ring);
87 94
88 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n"); 95 qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
@@ -109,7 +116,6 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
109 rval = qla2x00_setup_chip(ha); 116 rval = qla2x00_setup_chip(ha);
110 if (rval) 117 if (rval)
111 return (rval); 118 return (rval);
112 qla2xxx_get_flash_info(ha);
113 } 119 }
114 if (IS_QLA84XX(ha)) { 120 if (IS_QLA84XX(ha)) {
115 ha->cs84xx = qla84xx_get_chip(ha); 121 ha->cs84xx = qla84xx_get_chip(ha);
@@ -2016,7 +2022,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
2016 DEBUG3(printk("%s: exiting normally\n", __func__)); 2022 DEBUG3(printk("%s: exiting normally\n", __func__));
2017 } 2023 }
2018 2024
2019 /* Restore state if a resync event occured during processing */ 2025 /* Restore state if a resync event occurred during processing */
2020 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { 2026 if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) {
2021 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags)) 2027 if (test_bit(LOCAL_LOOP_UPDATE, &save_flags))
2022 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 2028 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
@@ -2561,7 +2567,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
2561 rval = QLA_SUCCESS; 2567 rval = QLA_SUCCESS;
2562 2568
2563 /* Try GID_PT to get device list, else GAN. */ 2569 /* Try GID_PT to get device list, else GAN. */
2564 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_ATOMIC); 2570 swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL);
2565 if (!swl) { 2571 if (!swl) {
2566 /*EMPTY*/ 2572 /*EMPTY*/
2567 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback " 2573 DEBUG2(printk("scsi(%ld): GID_PT allocations failed, fallback "
@@ -3751,7 +3757,7 @@ qla24xx_load_risc_flash(scsi_qla_host_t *ha, uint32_t *srisc_addr)
3751 rval = QLA_SUCCESS; 3757 rval = QLA_SUCCESS;
3752 3758
3753 segments = FA_RISC_CODE_SEGMENTS; 3759 segments = FA_RISC_CODE_SEGMENTS;
3754 faddr = FA_RISC_CODE_ADDR; 3760 faddr = ha->flt_region_fw;
3755 dcode = (uint32_t *)ha->request_ring; 3761 dcode = (uint32_t *)ha->request_ring;
3756 *srisc_addr = 0; 3762 *srisc_addr = 0;
3757 3763
diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h
index 92fafbdbbaab..e90afad120ee 100644
--- a/drivers/scsi/qla2xxx/qla_inline.h
+++ b/drivers/scsi/qla2xxx/qla_inline.h
@@ -52,7 +52,7 @@ to_qla_parent(scsi_qla_host_t *ha)
52 * @ha: HA context 52 * @ha: HA context
53 * @ha_locked: is function called with the hardware lock 53 * @ha_locked: is function called with the hardware lock
54 * 54 *
55 * Returns non-zero if a failure occured, else zero. 55 * Returns non-zero if a failure occurred, else zero.
56 */ 56 */
57static inline int 57static inline int
58qla2x00_issue_marker(scsi_qla_host_t *ha, int ha_locked) 58qla2x00_issue_marker(scsi_qla_host_t *ha, int ha_locked)
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index d57669aa4615..85bc0a48598b 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -21,17 +21,22 @@ static void qla2x00_isp_cmd(scsi_qla_host_t *ha);
21 * Returns the proper CF_* direction based on CDB. 21 * Returns the proper CF_* direction based on CDB.
22 */ 22 */
23static inline uint16_t 23static inline uint16_t
24qla2x00_get_cmd_direction(struct scsi_cmnd *cmd) 24qla2x00_get_cmd_direction(srb_t *sp)
25{ 25{
26 uint16_t cflags; 26 uint16_t cflags;
27 27
28 cflags = 0; 28 cflags = 0;
29 29
30 /* Set transfer direction */ 30 /* Set transfer direction */
31 if (cmd->sc_data_direction == DMA_TO_DEVICE) 31 if (sp->cmd->sc_data_direction == DMA_TO_DEVICE) {
32 cflags = CF_WRITE; 32 cflags = CF_WRITE;
33 else if (cmd->sc_data_direction == DMA_FROM_DEVICE) 33 sp->fcport->ha->qla_stats.output_bytes +=
34 scsi_bufflen(sp->cmd);
35 } else if (sp->cmd->sc_data_direction == DMA_FROM_DEVICE) {
34 cflags = CF_READ; 36 cflags = CF_READ;
37 sp->fcport->ha->qla_stats.input_bytes +=
38 scsi_bufflen(sp->cmd);
39 }
35 return (cflags); 40 return (cflags);
36} 41}
37 42
@@ -169,7 +174,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt,
169 174
170 ha = sp->ha; 175 ha = sp->ha;
171 176
172 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(cmd)); 177 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
173 178
174 /* Three DSDs are available in the Command Type 2 IOCB */ 179 /* Three DSDs are available in the Command Type 2 IOCB */
175 avail_dsds = 3; 180 avail_dsds = 3;
@@ -228,7 +233,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
228 233
229 ha = sp->ha; 234 ha = sp->ha;
230 235
231 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(cmd)); 236 cmd_pkt->control_flags |= cpu_to_le16(qla2x00_get_cmd_direction(sp));
232 237
233 /* Two DSDs are available in the Command Type 3 IOCB */ 238 /* Two DSDs are available in the Command Type 3 IOCB */
234 avail_dsds = 2; 239 avail_dsds = 2;
@@ -262,7 +267,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt,
262 * qla2x00_start_scsi() - Send a SCSI command to the ISP 267 * qla2x00_start_scsi() - Send a SCSI command to the ISP
263 * @sp: command to send to the ISP 268 * @sp: command to send to the ISP
264 * 269 *
265 * Returns non-zero if a failure occured, else zero. 270 * Returns non-zero if a failure occurred, else zero.
266 */ 271 */
267int 272int
268qla2x00_start_scsi(srb_t *sp) 273qla2x00_start_scsi(srb_t *sp)
@@ -407,7 +412,7 @@ queuing_error:
407 * 412 *
408 * Can be called from both normal and interrupt context. 413 * Can be called from both normal and interrupt context.
409 * 414 *
410 * Returns non-zero if a failure occured, else zero. 415 * Returns non-zero if a failure occurred, else zero.
411 */ 416 */
412int 417int
413__qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun, 418__qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
@@ -625,12 +630,17 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
625 ha = sp->ha; 630 ha = sp->ha;
626 631
627 /* Set transfer direction */ 632 /* Set transfer direction */
628 if (cmd->sc_data_direction == DMA_TO_DEVICE) 633 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
629 cmd_pkt->task_mgmt_flags = 634 cmd_pkt->task_mgmt_flags =
630 __constant_cpu_to_le16(TMF_WRITE_DATA); 635 __constant_cpu_to_le16(TMF_WRITE_DATA);
631 else if (cmd->sc_data_direction == DMA_FROM_DEVICE) 636 sp->fcport->ha->qla_stats.output_bytes +=
637 scsi_bufflen(sp->cmd);
638 } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
632 cmd_pkt->task_mgmt_flags = 639 cmd_pkt->task_mgmt_flags =
633 __constant_cpu_to_le16(TMF_READ_DATA); 640 __constant_cpu_to_le16(TMF_READ_DATA);
641 sp->fcport->ha->qla_stats.input_bytes +=
642 scsi_bufflen(sp->cmd);
643 }
634 644
635 /* One DSD is available in the Command Type 3 IOCB */ 645 /* One DSD is available in the Command Type 3 IOCB */
636 avail_dsds = 1; 646 avail_dsds = 1;
@@ -666,7 +676,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
666 * qla24xx_start_scsi() - Send a SCSI command to the ISP 676 * qla24xx_start_scsi() - Send a SCSI command to the ISP
667 * @sp: command to send to the ISP 677 * @sp: command to send to the ISP
668 * 678 *
669 * Returns non-zero if a failure occured, else zero. 679 * Returns non-zero if a failure occurred, else zero.
670 */ 680 */
671int 681int
672qla24xx_start_scsi(srb_t *sp) 682qla24xx_start_scsi(srb_t *sp)
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index bf41887cdd65..fc4bfa7f839c 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -391,9 +391,9 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
391 break; 391 break;
392 392
393 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ 393 case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
394 DEBUG2(printk("scsi(%ld): LIP occured (%x).\n", ha->host_no, 394 DEBUG2(printk("scsi(%ld): LIP occurred (%x).\n", ha->host_no,
395 mb[1])); 395 mb[1]));
396 qla_printk(KERN_INFO, ha, "LIP occured (%x).\n", mb[1]); 396 qla_printk(KERN_INFO, ha, "LIP occurred (%x).\n", mb[1]);
397 397
398 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 398 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
399 atomic_set(&ha->loop_state, LOOP_DOWN); 399 atomic_set(&ha->loop_state, LOOP_DOWN);
@@ -460,7 +460,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
460 DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n", 460 DEBUG2(printk("scsi(%ld): Asynchronous LIP RESET (%x).\n",
461 ha->host_no, mb[1])); 461 ha->host_no, mb[1]));
462 qla_printk(KERN_INFO, ha, 462 qla_printk(KERN_INFO, ha,
463 "LIP reset occured (%x).\n", mb[1]); 463 "LIP reset occurred (%x).\n", mb[1]);
464 464
465 if (atomic_read(&ha->loop_state) != LOOP_DOWN) { 465 if (atomic_read(&ha->loop_state) != LOOP_DOWN) {
466 atomic_set(&ha->loop_state, LOOP_DOWN); 466 atomic_set(&ha->loop_state, LOOP_DOWN);
@@ -543,7 +543,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
543 543
544 case MBA_PORT_UPDATE: /* Port database update */ 544 case MBA_PORT_UPDATE: /* Port database update */
545 /* 545 /*
546 * If PORT UPDATE is global (recieved LIP_OCCURED/LIP_RESET 546 * If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
547 * event etc. earlier indicating loop is down) then process 547 * event etc. earlier indicating loop is down) then process
548 * it. Otherwise ignore it and Wait for RSCN to come in. 548 * it. Otherwise ignore it and Wait for RSCN to come in.
549 */ 549 */
@@ -589,7 +589,7 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
589 "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n", 589 "scsi(%ld): RSCN database changed -- %04x %04x %04x.\n",
590 ha->host_no, mb[1], mb[2], mb[3])); 590 ha->host_no, mb[1], mb[2], mb[3]));
591 591
592 rscn_entry = (mb[1] << 16) | mb[2]; 592 rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
593 host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) | 593 host_pid = (ha->d_id.b.domain << 16) | (ha->d_id.b.area << 8) |
594 ha->d_id.b.al_pa; 594 ha->d_id.b.al_pa;
595 if (rscn_entry == host_pid) { 595 if (rscn_entry == host_pid) {
@@ -600,6 +600,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
600 break; 600 break;
601 } 601 }
602 602
603 /* Ignore reserved bits from RSCN-payload. */
604 rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
603 rscn_queue_index = ha->rscn_in_ptr + 1; 605 rscn_queue_index = ha->rscn_in_ptr + 1;
604 if (rscn_queue_index == MAX_RSCN_COUNT) 606 if (rscn_queue_index == MAX_RSCN_COUNT)
605 rscn_queue_index = 0; 607 rscn_queue_index = 0;
@@ -1060,8 +1062,9 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
1060 resid = resid_len; 1062 resid = resid_len;
1061 /* Use F/W calculated residual length. */ 1063 /* Use F/W calculated residual length. */
1062 if (IS_FWI2_CAPABLE(ha)) { 1064 if (IS_FWI2_CAPABLE(ha)) {
1063 if (scsi_status & SS_RESIDUAL_UNDER && 1065 if (!(scsi_status & SS_RESIDUAL_UNDER)) {
1064 resid != fw_resid_len) { 1066 lscsi_status = 0;
1067 } else if (resid != fw_resid_len) {
1065 scsi_status &= ~SS_RESIDUAL_UNDER; 1068 scsi_status &= ~SS_RESIDUAL_UNDER;
1066 lscsi_status = 0; 1069 lscsi_status = 0;
1067 } 1070 }
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 813bc7784c0a..36bc6851e23d 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -233,7 +233,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp)
233 DEBUG2_3_11(printk("%s(%ld): timeout schedule " 233 DEBUG2_3_11(printk("%s(%ld): timeout schedule "
234 "isp_abort_needed.\n", __func__, ha->host_no)); 234 "isp_abort_needed.\n", __func__, ha->host_no));
235 qla_printk(KERN_WARNING, ha, 235 qla_printk(KERN_WARNING, ha,
236 "Mailbox command timeout occured. Scheduling ISP " 236 "Mailbox command timeout occurred. Scheduling ISP "
237 "abort.\n"); 237 "abort.\n");
238 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); 238 set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
239 qla2xxx_wake_dpc(ha); 239 qla2xxx_wake_dpc(ha);
@@ -244,7 +244,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *pvha, mbx_cmd_t *mcp)
244 DEBUG2_3_11(printk("%s(%ld): timeout calling " 244 DEBUG2_3_11(printk("%s(%ld): timeout calling "
245 "abort_isp\n", __func__, ha->host_no)); 245 "abort_isp\n", __func__, ha->host_no));
246 qla_printk(KERN_WARNING, ha, 246 qla_printk(KERN_WARNING, ha,
247 "Mailbox command timeout occured. Issuing ISP " 247 "Mailbox command timeout occurred. Issuing ISP "
248 "abort.\n"); 248 "abort.\n");
249 249
250 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); 250 set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags);
@@ -1995,7 +1995,7 @@ qla2x00_get_fcal_position_map(scsi_qla_host_t *ha, char *pos_map)
1995 char *pmap; 1995 char *pmap;
1996 dma_addr_t pmap_dma; 1996 dma_addr_t pmap_dma;
1997 1997
1998 pmap = dma_pool_alloc(ha->s_dma_pool, GFP_ATOMIC, &pmap_dma); 1998 pmap = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pmap_dma);
1999 if (pmap == NULL) { 1999 if (pmap == NULL) {
2000 DEBUG2_3_11(printk("%s(%ld): **** Mem Alloc Failed ****", 2000 DEBUG2_3_11(printk("%s(%ld): **** Mem Alloc Failed ****",
2001 __func__, ha->host_no)); 2001 __func__, ha->host_no));
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 6d0f0e5f2827..3433441b956a 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1517,6 +1517,7 @@ qla2xxx_scan_start(struct Scsi_Host *shost)
1517 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); 1517 set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags);
1518 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); 1518 set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags);
1519 set_bit(RSCN_UPDATE, &ha->dpc_flags); 1519 set_bit(RSCN_UPDATE, &ha->dpc_flags);
1520 set_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
1520} 1521}
1521 1522
1522static int 1523static int
@@ -1663,8 +1664,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
1663 ha->gid_list_info_size = 8; 1664 ha->gid_list_info_size = 8;
1664 ha->optrom_size = OPTROM_SIZE_25XX; 1665 ha->optrom_size = OPTROM_SIZE_25XX;
1665 ha->isp_ops = &qla25xx_isp_ops; 1666 ha->isp_ops = &qla25xx_isp_ops;
1666 ha->hw_event_start = PCI_FUNC(pdev->devfn) ?
1667 FA_HW_EVENT1_ADDR: FA_HW_EVENT0_ADDR;
1668 } 1667 }
1669 host->can_queue = ha->request_q_length + 128; 1668 host->can_queue = ha->request_q_length + 128;
1670 1669
@@ -2433,6 +2432,12 @@ qla2x00_do_dpc(void *data)
2433 ha->host_no)); 2432 ha->host_no));
2434 } 2433 }
2435 2434
2435 if (test_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags) &&
2436 atomic_read(&ha->loop_state) == LOOP_READY) {
2437 clear_bit(NPIV_CONFIG_NEEDED, &ha->dpc_flags);
2438 qla2xxx_flash_npiv_conf(ha);
2439 }
2440
2436 if (!ha->interrupts_on) 2441 if (!ha->interrupts_on)
2437 ha->isp_ops->enable_intrs(ha); 2442 ha->isp_ops->enable_intrs(ha);
2438 2443
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 1bca74474935..90a13211717f 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -543,23 +543,198 @@ qla24xx_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
543 } 543 }
544} 544}
545 545
546void 546static int
547qla2xxx_get_flash_info(scsi_qla_host_t *ha) 547qla2xxx_find_flt_start(scsi_qla_host_t *ha, uint32_t *start)
548{
549 const char *loc, *locations[] = { "DEF", "PCI" };
550 uint32_t pcihdr, pcids;
551 uint32_t *dcode;
552 uint8_t *buf, *bcode, last_image;
553 uint16_t cnt, chksum, *wptr;
554 struct qla_flt_location *fltl;
555
556 /*
557 * FLT-location structure resides after the last PCI region.
558 */
559
560 /* Begin with sane defaults. */
561 loc = locations[0];
562 *start = IS_QLA24XX_TYPE(ha) ? FA_FLASH_LAYOUT_ADDR_24:
563 FA_FLASH_LAYOUT_ADDR;
564
565 /* Begin with first PCI expansion ROM header. */
566 buf = (uint8_t *)ha->request_ring;
567 dcode = (uint32_t *)ha->request_ring;
568 pcihdr = 0;
569 last_image = 1;
570 do {
571 /* Verify PCI expansion ROM header. */
572 qla24xx_read_flash_data(ha, dcode, pcihdr >> 2, 0x20);
573 bcode = buf + (pcihdr % 4);
574 if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa)
575 goto end;
576
577 /* Locate PCI data structure. */
578 pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
579 qla24xx_read_flash_data(ha, dcode, pcids >> 2, 0x20);
580 bcode = buf + (pcihdr % 4);
581
582 /* Validate signature of PCI data structure. */
583 if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
584 bcode[0x2] != 'I' || bcode[0x3] != 'R')
585 goto end;
586
587 last_image = bcode[0x15] & BIT_7;
588
589 /* Locate next PCI expansion ROM. */
590 pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
591 } while (!last_image);
592
593 /* Now verify FLT-location structure. */
594 fltl = (struct qla_flt_location *)ha->request_ring;
595 qla24xx_read_flash_data(ha, dcode, pcihdr >> 2,
596 sizeof(struct qla_flt_location) >> 2);
597 if (fltl->sig[0] != 'Q' || fltl->sig[1] != 'F' ||
598 fltl->sig[2] != 'L' || fltl->sig[3] != 'T')
599 goto end;
600
601 wptr = (uint16_t *)ha->request_ring;
602 cnt = sizeof(struct qla_flt_location) >> 1;
603 for (chksum = 0; cnt; cnt--)
604 chksum += le16_to_cpu(*wptr++);
605 if (chksum) {
606 qla_printk(KERN_ERR, ha,
607 "Inconsistent FLTL detected: checksum=0x%x.\n", chksum);
608 qla2x00_dump_buffer(buf, sizeof(struct qla_flt_location));
609 return QLA_FUNCTION_FAILED;
610 }
611
612 /* Good data. Use specified location. */
613 loc = locations[1];
614 *start = le16_to_cpu(fltl->start_hi) << 16 |
615 le16_to_cpu(fltl->start_lo);
616end:
617 DEBUG2(qla_printk(KERN_DEBUG, ha, "FLTL[%s] = 0x%x.\n", loc, *start));
618 return QLA_SUCCESS;
619}
620
621static void
622qla2xxx_get_flt_info(scsi_qla_host_t *ha, uint32_t flt_addr)
623{
624 const char *loc, *locations[] = { "DEF", "FLT" };
625 uint16_t *wptr;
626 uint16_t cnt, chksum;
627 uint32_t start;
628 struct qla_flt_header *flt;
629 struct qla_flt_region *region;
630
631 ha->flt_region_flt = flt_addr;
632 wptr = (uint16_t *)ha->request_ring;
633 flt = (struct qla_flt_header *)ha->request_ring;
634 region = (struct qla_flt_region *)&flt[1];
635 ha->isp_ops->read_optrom(ha, (uint8_t *)ha->request_ring,
636 flt_addr << 2, OPTROM_BURST_SIZE);
637 if (*wptr == __constant_cpu_to_le16(0xffff))
638 goto no_flash_data;
639 if (flt->version != __constant_cpu_to_le16(1)) {
640 DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported FLT detected: "
641 "version=0x%x length=0x%x checksum=0x%x.\n",
642 le16_to_cpu(flt->version), le16_to_cpu(flt->length),
643 le16_to_cpu(flt->checksum)));
644 goto no_flash_data;
645 }
646
647 cnt = (sizeof(struct qla_flt_header) + le16_to_cpu(flt->length)) >> 1;
648 for (chksum = 0; cnt; cnt--)
649 chksum += le16_to_cpu(*wptr++);
650 if (chksum) {
651 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent FLT detected: "
652 "version=0x%x length=0x%x checksum=0x%x.\n",
653 le16_to_cpu(flt->version), le16_to_cpu(flt->length),
654 chksum));
655 goto no_flash_data;
656 }
657
658 loc = locations[1];
659 cnt = le16_to_cpu(flt->length) / sizeof(struct qla_flt_region);
660 for ( ; cnt; cnt--, region++) {
661 /* Store addresses as DWORD offsets. */
662 start = le32_to_cpu(region->start) >> 2;
663
664 DEBUG3(qla_printk(KERN_DEBUG, ha, "FLT[%02x]: start=0x%x "
665 "end=0x%x size=0x%x.\n", le32_to_cpu(region->code), start,
666 le32_to_cpu(region->end) >> 2, le32_to_cpu(region->size)));
667
668 switch (le32_to_cpu(region->code)) {
669 case FLT_REG_FW:
670 ha->flt_region_fw = start;
671 break;
672 case FLT_REG_BOOT_CODE:
673 ha->flt_region_boot = start;
674 break;
675 case FLT_REG_VPD_0:
676 ha->flt_region_vpd_nvram = start;
677 break;
678 case FLT_REG_FDT:
679 ha->flt_region_fdt = start;
680 break;
681 case FLT_REG_HW_EVENT_0:
682 if (!PCI_FUNC(ha->pdev->devfn))
683 ha->flt_region_hw_event = start;
684 break;
685 case FLT_REG_HW_EVENT_1:
686 if (PCI_FUNC(ha->pdev->devfn))
687 ha->flt_region_hw_event = start;
688 break;
689 case FLT_REG_NPIV_CONF_0:
690 if (!PCI_FUNC(ha->pdev->devfn))
691 ha->flt_region_npiv_conf = start;
692 break;
693 case FLT_REG_NPIV_CONF_1:
694 if (PCI_FUNC(ha->pdev->devfn))
695 ha->flt_region_npiv_conf = start;
696 break;
697 }
698 }
699 goto done;
700
701no_flash_data:
702 /* Use hardcoded defaults. */
703 loc = locations[0];
704 ha->flt_region_fw = FA_RISC_CODE_ADDR;
705 ha->flt_region_boot = FA_BOOT_CODE_ADDR;
706 ha->flt_region_vpd_nvram = FA_VPD_NVRAM_ADDR;
707 ha->flt_region_fdt = IS_QLA24XX_TYPE(ha) ? FA_FLASH_DESCR_ADDR_24:
708 FA_FLASH_DESCR_ADDR;
709 ha->flt_region_hw_event = !PCI_FUNC(ha->pdev->devfn) ?
710 FA_HW_EVENT0_ADDR: FA_HW_EVENT1_ADDR;
711 ha->flt_region_npiv_conf = !PCI_FUNC(ha->pdev->devfn) ?
712 (IS_QLA24XX_TYPE(ha) ? FA_NPIV_CONF0_ADDR_24: FA_NPIV_CONF0_ADDR):
713 (IS_QLA24XX_TYPE(ha) ? FA_NPIV_CONF1_ADDR_24: FA_NPIV_CONF1_ADDR);
714done:
715 DEBUG2(qla_printk(KERN_DEBUG, ha, "FLT[%s]: boot=0x%x fw=0x%x "
716 "vpd_nvram=0x%x fdt=0x%x flt=0x%x hwe=0x%x npiv=0x%x.\n", loc,
717 ha->flt_region_boot, ha->flt_region_fw, ha->flt_region_vpd_nvram,
718 ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_hw_event,
719 ha->flt_region_npiv_conf));
720}
721
722static void
723qla2xxx_get_fdt_info(scsi_qla_host_t *ha)
548{ 724{
549#define FLASH_BLK_SIZE_32K 0x8000 725#define FLASH_BLK_SIZE_32K 0x8000
550#define FLASH_BLK_SIZE_64K 0x10000 726#define FLASH_BLK_SIZE_64K 0x10000
727 const char *loc, *locations[] = { "MID", "FDT" };
551 uint16_t cnt, chksum; 728 uint16_t cnt, chksum;
552 uint16_t *wptr; 729 uint16_t *wptr;
553 struct qla_fdt_layout *fdt; 730 struct qla_fdt_layout *fdt;
554 uint8_t man_id, flash_id; 731 uint8_t man_id, flash_id;
555 732 uint16_t mid, fid;
556 if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
557 return;
558 733
559 wptr = (uint16_t *)ha->request_ring; 734 wptr = (uint16_t *)ha->request_ring;
560 fdt = (struct qla_fdt_layout *)ha->request_ring; 735 fdt = (struct qla_fdt_layout *)ha->request_ring;
561 ha->isp_ops->read_optrom(ha, (uint8_t *)ha->request_ring, 736 ha->isp_ops->read_optrom(ha, (uint8_t *)ha->request_ring,
562 FA_FLASH_DESCR_ADDR << 2, OPTROM_BURST_SIZE); 737 ha->flt_region_fdt << 2, OPTROM_BURST_SIZE);
563 if (*wptr == __constant_cpu_to_le16(0xffff)) 738 if (*wptr == __constant_cpu_to_le16(0xffff))
564 goto no_flash_data; 739 goto no_flash_data;
565 if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' || 740 if (fdt->sig[0] != 'Q' || fdt->sig[1] != 'L' || fdt->sig[2] != 'I' ||
@@ -577,7 +752,10 @@ qla2xxx_get_flash_info(scsi_qla_host_t *ha)
577 goto no_flash_data; 752 goto no_flash_data;
578 } 753 }
579 754
580 ha->fdt_odd_index = le16_to_cpu(fdt->man_id) == 0x1f; 755 loc = locations[1];
756 mid = le16_to_cpu(fdt->man_id);
757 fid = le16_to_cpu(fdt->id);
758 ha->fdt_odd_index = mid == 0x1f;
581 ha->fdt_wrt_disable = fdt->wrt_disable_bits; 759 ha->fdt_wrt_disable = fdt->wrt_disable_bits;
582 ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0300 | fdt->erase_cmd); 760 ha->fdt_erase_cmd = flash_conf_to_access_addr(0x0300 | fdt->erase_cmd);
583 ha->fdt_block_size = le32_to_cpu(fdt->block_size); 761 ha->fdt_block_size = le32_to_cpu(fdt->block_size);
@@ -588,16 +766,12 @@ qla2xxx_get_flash_info(scsi_qla_host_t *ha)
588 flash_conf_to_access_addr(0x0300 | fdt->protect_sec_cmd): 766 flash_conf_to_access_addr(0x0300 | fdt->protect_sec_cmd):
589 flash_conf_to_access_addr(0x0336); 767 flash_conf_to_access_addr(0x0336);
590 } 768 }
591 769 goto done;
592 DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[FDT]: (0x%x/0x%x) erase=0x%x "
593 "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n",
594 le16_to_cpu(fdt->man_id), le16_to_cpu(fdt->id), ha->fdt_erase_cmd,
595 ha->fdt_protect_sec_cmd, ha->fdt_unprotect_sec_cmd,
596 ha->fdt_odd_index, ha->fdt_wrt_disable, ha->fdt_block_size));
597 return;
598
599no_flash_data: 770no_flash_data:
771 loc = locations[0];
600 qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id); 772 qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
773 mid = man_id;
774 fid = flash_id;
601 ha->fdt_wrt_disable = 0x9c; 775 ha->fdt_wrt_disable = 0x9c;
602 ha->fdt_erase_cmd = flash_conf_to_access_addr(0x03d8); 776 ha->fdt_erase_cmd = flash_conf_to_access_addr(0x03d8);
603 switch (man_id) { 777 switch (man_id) {
@@ -625,14 +799,117 @@ no_flash_data:
625 ha->fdt_block_size = FLASH_BLK_SIZE_64K; 799 ha->fdt_block_size = FLASH_BLK_SIZE_64K;
626 break; 800 break;
627 } 801 }
628 802done:
629 DEBUG2(qla_printk(KERN_DEBUG, ha, "Flash[MID]: (0x%x/0x%x) erase=0x%x " 803 DEBUG2(qla_printk(KERN_DEBUG, ha, "FDT[%s]: (0x%x/0x%x) erase=0x%x "
630 "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n", man_id, flash_id, 804 "pro=%x upro=%x idx=%d wrtd=0x%x blk=0x%x.\n", loc, mid, fid,
631 ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd, 805 ha->fdt_erase_cmd, ha->fdt_protect_sec_cmd,
632 ha->fdt_unprotect_sec_cmd, ha->fdt_odd_index, ha->fdt_wrt_disable, 806 ha->fdt_unprotect_sec_cmd, ha->fdt_odd_index, ha->fdt_wrt_disable,
633 ha->fdt_block_size)); 807 ha->fdt_block_size));
634} 808}
635 809
810int
811qla2xxx_get_flash_info(scsi_qla_host_t *ha)
812{
813 int ret;
814 uint32_t flt_addr;
815
816 if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
817 return QLA_SUCCESS;
818
819 ret = qla2xxx_find_flt_start(ha, &flt_addr);
820 if (ret != QLA_SUCCESS)
821 return ret;
822
823 qla2xxx_get_flt_info(ha, flt_addr);
824 qla2xxx_get_fdt_info(ha);
825
826 return QLA_SUCCESS;
827}
828
829void
830qla2xxx_flash_npiv_conf(scsi_qla_host_t *ha)
831{
832#define NPIV_CONFIG_SIZE (16*1024)
833 void *data;
834 uint16_t *wptr;
835 uint16_t cnt, chksum;
836 struct qla_npiv_header hdr;
837 struct qla_npiv_entry *entry;
838
839 if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha))
840 return;
841
842 ha->isp_ops->read_optrom(ha, (uint8_t *)&hdr,
843 ha->flt_region_npiv_conf << 2, sizeof(struct qla_npiv_header));
844 if (hdr.version == __constant_cpu_to_le16(0xffff))
845 return;
846 if (hdr.version != __constant_cpu_to_le16(1)) {
847 DEBUG2(qla_printk(KERN_INFO, ha, "Unsupported NPIV-Config "
848 "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
849 le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
850 le16_to_cpu(hdr.checksum)));
851 return;
852 }
853
854 data = kmalloc(NPIV_CONFIG_SIZE, GFP_KERNEL);
855 if (!data) {
856 DEBUG2(qla_printk(KERN_INFO, ha, "NPIV-Config: Unable to "
857 "allocate memory.\n"));
858 return;
859 }
860
861 ha->isp_ops->read_optrom(ha, (uint8_t *)data,
862 ha->flt_region_npiv_conf << 2, NPIV_CONFIG_SIZE);
863
864 cnt = (sizeof(struct qla_npiv_header) + le16_to_cpu(hdr.entries) *
865 sizeof(struct qla_npiv_entry)) >> 1;
866 for (wptr = data, chksum = 0; cnt; cnt--)
867 chksum += le16_to_cpu(*wptr++);
868 if (chksum) {
869 DEBUG2(qla_printk(KERN_INFO, ha, "Inconsistent NPIV-Config "
870 "detected: version=0x%x entries=0x%x checksum=0x%x.\n",
871 le16_to_cpu(hdr.version), le16_to_cpu(hdr.entries),
872 chksum));
873 goto done;
874 }
875
876 entry = data + sizeof(struct qla_npiv_header);
877 cnt = le16_to_cpu(hdr.entries);
878 for ( ; cnt; cnt--, entry++) {
879 uint16_t flags;
880 struct fc_vport_identifiers vid;
881 struct fc_vport *vport;
882
883 flags = le16_to_cpu(entry->flags);
884 if (flags == 0xffff)
885 continue;
886 if ((flags & BIT_0) == 0)
887 continue;
888
889 memset(&vid, 0, sizeof(vid));
890 vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
891 vid.vport_type = FC_PORTTYPE_NPIV;
892 vid.disable = false;
893 vid.port_name = wwn_to_u64(entry->port_name);
894 vid.node_name = wwn_to_u64(entry->node_name);
895
896 DEBUG2(qla_printk(KERN_DEBUG, ha, "NPIV[%02x]: wwpn=%llx "
897 "wwnn=%llx vf_id=0x%x qos=0x%x.\n", cnt,
898 (unsigned long long)vid.port_name,
899 (unsigned long long)vid.node_name,
900 le16_to_cpu(entry->vf_id), le16_to_cpu(entry->qos)));
901
902 vport = fc_vport_create(ha->host, 0, &vid);
903 if (!vport)
904 qla_printk(KERN_INFO, ha, "NPIV-Config: Failed to "
905 "create vport [%02x]: wwpn=%llx wwnn=%llx.\n", cnt,
906 (unsigned long long)vid.port_name,
907 (unsigned long long)vid.node_name);
908 }
909done:
910 kfree(data);
911}
912
636static void 913static void
637qla24xx_unprotect_flash(scsi_qla_host_t *ha) 914qla24xx_unprotect_flash(scsi_qla_host_t *ha)
638{ 915{
@@ -920,7 +1197,8 @@ qla25xx_read_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
920 dwptr = (uint32_t *)buf; 1197 dwptr = (uint32_t *)buf;
921 for (i = 0; i < bytes >> 2; i++, naddr++) 1198 for (i = 0; i < bytes >> 2; i++, naddr++)
922 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha, 1199 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
923 flash_data_to_access_addr(FA_VPD_NVRAM_ADDR | naddr))); 1200 flash_data_to_access_addr(ha->flt_region_vpd_nvram |
1201 naddr)));
924 1202
925 return buf; 1203 return buf;
926} 1204}
@@ -935,10 +1213,10 @@ qla25xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
935 dbuf = vmalloc(RMW_BUFFER_SIZE); 1213 dbuf = vmalloc(RMW_BUFFER_SIZE);
936 if (!dbuf) 1214 if (!dbuf)
937 return QLA_MEMORY_ALLOC_FAILED; 1215 return QLA_MEMORY_ALLOC_FAILED;
938 ha->isp_ops->read_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2, 1216 ha->isp_ops->read_optrom(ha, dbuf, ha->flt_region_vpd_nvram << 2,
939 RMW_BUFFER_SIZE); 1217 RMW_BUFFER_SIZE);
940 memcpy(dbuf + (naddr << 2), buf, bytes); 1218 memcpy(dbuf + (naddr << 2), buf, bytes);
941 ha->isp_ops->write_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2, 1219 ha->isp_ops->write_optrom(ha, dbuf, ha->flt_region_vpd_nvram << 2,
942 RMW_BUFFER_SIZE); 1220 RMW_BUFFER_SIZE);
943 vfree(dbuf); 1221 vfree(dbuf);
944 1222
@@ -2166,7 +2444,7 @@ qla2x00_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
2166 memset(dbyte, 0, 8); 2444 memset(dbyte, 0, 8);
2167 dcode = (uint16_t *)dbyte; 2445 dcode = (uint16_t *)dbyte;
2168 2446
2169 qla2x00_read_flash_data(ha, dbyte, FA_RISC_CODE_ADDR * 4 + 10, 2447 qla2x00_read_flash_data(ha, dbyte, ha->flt_region_fw * 4 + 10,
2170 8); 2448 8);
2171 DEBUG3(printk("%s(%ld): dumping fw ver from flash:\n", 2449 DEBUG3(printk("%s(%ld): dumping fw ver from flash:\n",
2172 __func__, ha->host_no)); 2450 __func__, ha->host_no));
@@ -2177,7 +2455,7 @@ qla2x00_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
2177 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 2455 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2178 dcode[3] == 0)) { 2456 dcode[3] == 0)) {
2179 DEBUG2(printk("%s(): Unrecognized fw revision at " 2457 DEBUG2(printk("%s(): Unrecognized fw revision at "
2180 "%x.\n", __func__, FA_RISC_CODE_ADDR * 4)); 2458 "%x.\n", __func__, ha->flt_region_fw * 4));
2181 } else { 2459 } else {
2182 /* values are in big endian */ 2460 /* values are in big endian */
2183 ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1]; 2461 ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
@@ -2212,7 +2490,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
2212 dcode = mbuf; 2490 dcode = mbuf;
2213 2491
2214 /* Begin with first PCI expansion ROM header. */ 2492 /* Begin with first PCI expansion ROM header. */
2215 pcihdr = 0; 2493 pcihdr = ha->flt_region_boot;
2216 last_image = 1; 2494 last_image = 1;
2217 do { 2495 do {
2218 /* Verify PCI expansion ROM header. */ 2496 /* Verify PCI expansion ROM header. */
@@ -2282,7 +2560,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
2282 memset(ha->fw_revision, 0, sizeof(ha->fw_revision)); 2560 memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
2283 dcode = mbuf; 2561 dcode = mbuf;
2284 2562
2285 qla24xx_read_flash_data(ha, dcode, FA_RISC_CODE_ADDR + 4, 4); 2563 qla24xx_read_flash_data(ha, dcode, ha->flt_region_fw + 4, 4);
2286 for (i = 0; i < 4; i++) 2564 for (i = 0; i < 4; i++)
2287 dcode[i] = be32_to_cpu(dcode[i]); 2565 dcode[i] = be32_to_cpu(dcode[i]);
2288 2566
@@ -2291,7 +2569,7 @@ qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
2291 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 && 2569 (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
2292 dcode[3] == 0)) { 2570 dcode[3] == 0)) {
2293 DEBUG2(printk("%s(): Unrecognized fw version at %x.\n", 2571 DEBUG2(printk("%s(): Unrecognized fw version at %x.\n",
2294 __func__, FA_RISC_CODE_ADDR)); 2572 __func__, ha->flt_region_fw));
2295 } else { 2573 } else {
2296 ha->fw_revision[0] = dcode[0]; 2574 ha->fw_revision[0] = dcode[0];
2297 ha->fw_revision[1] = dcode[1]; 2575 ha->fw_revision[1] = dcode[1];
@@ -2355,7 +2633,7 @@ qla2xxx_hw_event_store(scsi_qla_host_t *ha, uint32_t *fdata)
2355 /* Locate first empty entry. */ 2633 /* Locate first empty entry. */
2356 for (;;) { 2634 for (;;) {
2357 if (ha->hw_event_ptr >= 2635 if (ha->hw_event_ptr >=
2358 ha->hw_event_start + FA_HW_EVENT_SIZE) { 2636 ha->flt_region_hw_event + FA_HW_EVENT_SIZE) {
2359 DEBUG2(qla_printk(KERN_WARNING, ha, 2637 DEBUG2(qla_printk(KERN_WARNING, ha,
2360 "HW event -- Log Full!\n")); 2638 "HW event -- Log Full!\n"));
2361 return QLA_MEMORY_ALLOC_FAILED; 2639 return QLA_MEMORY_ALLOC_FAILED;
@@ -2391,7 +2669,7 @@ qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
2391 int rval; 2669 int rval;
2392 uint32_t marker[2], fdata[4]; 2670 uint32_t marker[2], fdata[4];
2393 2671
2394 if (ha->hw_event_start == 0) 2672 if (ha->flt_region_hw_event == 0)
2395 return QLA_FUNCTION_FAILED; 2673 return QLA_FUNCTION_FAILED;
2396 2674
2397 DEBUG2(qla_printk(KERN_WARNING, ha, 2675 DEBUG2(qla_printk(KERN_WARNING, ha,
@@ -2406,7 +2684,7 @@ qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
2406 QLA_DRIVER_PATCH_VER, QLA_DRIVER_BETA_VER); 2684 QLA_DRIVER_PATCH_VER, QLA_DRIVER_BETA_VER);
2407 2685
2408 /* Locate marker. */ 2686 /* Locate marker. */
2409 ha->hw_event_ptr = ha->hw_event_start; 2687 ha->hw_event_ptr = ha->flt_region_hw_event;
2410 for (;;) { 2688 for (;;) {
2411 qla24xx_read_flash_data(ha, fdata, ha->hw_event_ptr, 2689 qla24xx_read_flash_data(ha, fdata, ha->hw_event_ptr,
2412 4); 2690 4);
@@ -2415,7 +2693,7 @@ qla2xxx_hw_event_log(scsi_qla_host_t *ha, uint16_t code, uint16_t d1,
2415 break; 2693 break;
2416 ha->hw_event_ptr += FA_HW_EVENT_ENTRY_SIZE; 2694 ha->hw_event_ptr += FA_HW_EVENT_ENTRY_SIZE;
2417 if (ha->hw_event_ptr >= 2695 if (ha->hw_event_ptr >=
2418 ha->hw_event_start + FA_HW_EVENT_SIZE) { 2696 ha->flt_region_hw_event + FA_HW_EVENT_SIZE) {
2419 DEBUG2(qla_printk(KERN_WARNING, ha, 2697 DEBUG2(qla_printk(KERN_WARNING, ha,
2420 "HW event -- Log Full!\n")); 2698 "HW event -- Log Full!\n"));
2421 return QLA_MEMORY_ALLOC_FAILED; 2699 return QLA_MEMORY_ALLOC_FAILED;
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 4160e4caa7b9..be5e299df528 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
7/* 7/*
8 * Driver version 8 * Driver version
9 */ 9 */
10#define QLA2XXX_VERSION "8.02.01-k7" 10#define QLA2XXX_VERSION "8.02.01-k8"
11 11
12#define QLA_DRIVER_MAJOR_VER 8 12#define QLA_DRIVER_MAJOR_VER 8
13#define QLA_DRIVER_MINOR_VER 2 13#define QLA_DRIVER_MINOR_VER 2
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index dbeb86cafc0d..2ac3cb2b9081 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -668,13 +668,14 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
668 goto out; 668 goto out;
669 } 669 }
670 670
671 /* Check to see if the scsi lld put this device into state SDEV_BLOCK. */ 671 /* Check to see if the scsi lld made this device blocked. */
672 if (unlikely(cmd->device->sdev_state == SDEV_BLOCK)) { 672 if (unlikely(scsi_device_blocked(cmd->device))) {
673 /* 673 /*
674 * in SDEV_BLOCK, the command is just put back on the device 674 * in blocked state, the command is just put back on
675 * queue. The suspend state has already blocked the queue so 675 * the device queue. The suspend state has already
676 * future requests should not occur until the device 676 * blocked the queue so future requests should not
677 * transitions out of the suspend state. 677 * occur until the device transitions out of the
678 * suspend state.
678 */ 679 */
679 680
680 scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY); 681 scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index e7686500e9dd..98ee55ced592 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1250,6 +1250,7 @@ int scsi_prep_state_check(struct scsi_device *sdev, struct request *req)
1250 break; 1250 break;
1251 case SDEV_QUIESCE: 1251 case SDEV_QUIESCE:
1252 case SDEV_BLOCK: 1252 case SDEV_BLOCK:
1253 case SDEV_CREATED_BLOCK:
1253 /* 1254 /*
1254 * If the devices is blocked we defer normal commands. 1255 * If the devices is blocked we defer normal commands.
1255 */ 1256 */
@@ -2073,10 +2074,13 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
2073 2074
2074 switch (state) { 2075 switch (state) {
2075 case SDEV_CREATED: 2076 case SDEV_CREATED:
2076 /* There are no legal states that come back to 2077 switch (oldstate) {
2077 * created. This is the manually initialised start 2078 case SDEV_CREATED_BLOCK:
2078 * state */ 2079 break;
2079 goto illegal; 2080 default:
2081 goto illegal;
2082 }
2083 break;
2080 2084
2081 case SDEV_RUNNING: 2085 case SDEV_RUNNING:
2082 switch (oldstate) { 2086 switch (oldstate) {
@@ -2114,8 +2118,17 @@ scsi_device_set_state(struct scsi_device *sdev, enum scsi_device_state state)
2114 2118
2115 case SDEV_BLOCK: 2119 case SDEV_BLOCK:
2116 switch (oldstate) { 2120 switch (oldstate) {
2117 case SDEV_CREATED:
2118 case SDEV_RUNNING: 2121 case SDEV_RUNNING:
2122 case SDEV_CREATED_BLOCK:
2123 break;
2124 default:
2125 goto illegal;
2126 }
2127 break;
2128
2129 case SDEV_CREATED_BLOCK:
2130 switch (oldstate) {
2131 case SDEV_CREATED:
2119 break; 2132 break;
2120 default: 2133 default:
2121 goto illegal; 2134 goto illegal;
@@ -2403,8 +2416,12 @@ scsi_internal_device_block(struct scsi_device *sdev)
2403 int err = 0; 2416 int err = 0;
2404 2417
2405 err = scsi_device_set_state(sdev, SDEV_BLOCK); 2418 err = scsi_device_set_state(sdev, SDEV_BLOCK);
2406 if (err) 2419 if (err) {
2407 return err; 2420 err = scsi_device_set_state(sdev, SDEV_CREATED_BLOCK);
2421
2422 if (err)
2423 return err;
2424 }
2408 2425
2409 /* 2426 /*
2410 * The device has transitioned to SDEV_BLOCK. Stop the 2427 * The device has transitioned to SDEV_BLOCK. Stop the
@@ -2447,8 +2464,12 @@ scsi_internal_device_unblock(struct scsi_device *sdev)
2447 * and goose the device queue if successful. 2464 * and goose the device queue if successful.
2448 */ 2465 */
2449 err = scsi_device_set_state(sdev, SDEV_RUNNING); 2466 err = scsi_device_set_state(sdev, SDEV_RUNNING);
2450 if (err) 2467 if (err) {
2451 return err; 2468 err = scsi_device_set_state(sdev, SDEV_CREATED);
2469
2470 if (err)
2471 return err;
2472 }
2452 2473
2453 spin_lock_irqsave(q->queue_lock, flags); 2474 spin_lock_irqsave(q->queue_lock, flags);
2454 blk_start_queue(q); 2475 blk_start_queue(q);
diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c
index ae7ed9a22662..b37e133de805 100644
--- a/drivers/scsi/scsi_netlink.c
+++ b/drivers/scsi/scsi_netlink.c
@@ -21,6 +21,7 @@
21#include <linux/time.h> 21#include <linux/time.h>
22#include <linux/jiffies.h> 22#include <linux/jiffies.h>
23#include <linux/security.h> 23#include <linux/security.h>
24#include <linux/delay.h>
24#include <net/sock.h> 25#include <net/sock.h>
25#include <net/netlink.h> 26#include <net/netlink.h>
26 27
@@ -30,6 +31,39 @@
30struct sock *scsi_nl_sock = NULL; 31struct sock *scsi_nl_sock = NULL;
31EXPORT_SYMBOL_GPL(scsi_nl_sock); 32EXPORT_SYMBOL_GPL(scsi_nl_sock);
32 33
34static DEFINE_SPINLOCK(scsi_nl_lock);
35static struct list_head scsi_nl_drivers;
36
37static u32 scsi_nl_state;
38#define STATE_EHANDLER_BSY 0x00000001
39
40struct scsi_nl_transport {
41 int (*msg_handler)(struct sk_buff *);
42 void (*event_handler)(struct notifier_block *, unsigned long, void *);
43 unsigned int refcnt;
44 int flags;
45};
46
47/* flags values (bit flags) */
48#define HANDLER_DELETING 0x1
49
50static struct scsi_nl_transport transports[SCSI_NL_MAX_TRANSPORTS] =
51 { {NULL, }, };
52
53
54struct scsi_nl_drvr {
55 struct list_head next;
56 int (*dmsg_handler)(struct Scsi_Host *shost, void *payload,
57 u32 len, u32 pid);
58 void (*devt_handler)(struct notifier_block *nb,
59 unsigned long event, void *notify_ptr);
60 struct scsi_host_template *hostt;
61 u64 vendor_id;
62 unsigned int refcnt;
63 int flags;
64};
65
66
33 67
34/** 68/**
35 * scsi_nl_rcv_msg - Receive message handler. 69 * scsi_nl_rcv_msg - Receive message handler.
@@ -45,8 +79,9 @@ scsi_nl_rcv_msg(struct sk_buff *skb)
45{ 79{
46 struct nlmsghdr *nlh; 80 struct nlmsghdr *nlh;
47 struct scsi_nl_hdr *hdr; 81 struct scsi_nl_hdr *hdr;
48 uint32_t rlen; 82 unsigned long flags;
49 int err; 83 u32 rlen;
84 int err, tport;
50 85
51 while (skb->len >= NLMSG_SPACE(0)) { 86 while (skb->len >= NLMSG_SPACE(0)) {
52 err = 0; 87 err = 0;
@@ -65,7 +100,7 @@ scsi_nl_rcv_msg(struct sk_buff *skb)
65 100
66 if (nlh->nlmsg_type != SCSI_TRANSPORT_MSG) { 101 if (nlh->nlmsg_type != SCSI_TRANSPORT_MSG) {
67 err = -EBADMSG; 102 err = -EBADMSG;
68 return; 103 goto next_msg;
69 } 104 }
70 105
71 hdr = NLMSG_DATA(nlh); 106 hdr = NLMSG_DATA(nlh);
@@ -83,12 +118,27 @@ scsi_nl_rcv_msg(struct sk_buff *skb)
83 if (nlh->nlmsg_len < (sizeof(*nlh) + hdr->msglen)) { 118 if (nlh->nlmsg_len < (sizeof(*nlh) + hdr->msglen)) {
84 printk(KERN_WARNING "%s: discarding partial message\n", 119 printk(KERN_WARNING "%s: discarding partial message\n",
85 __func__); 120 __func__);
86 return; 121 goto next_msg;
87 } 122 }
88 123
89 /* 124 /*
90 * We currently don't support anyone sending us a message 125 * Deliver message to the appropriate transport
91 */ 126 */
127 spin_lock_irqsave(&scsi_nl_lock, flags);
128
129 tport = hdr->transport;
130 if ((tport < SCSI_NL_MAX_TRANSPORTS) &&
131 !(transports[tport].flags & HANDLER_DELETING) &&
132 (transports[tport].msg_handler)) {
133 transports[tport].refcnt++;
134 spin_unlock_irqrestore(&scsi_nl_lock, flags);
135 err = transports[tport].msg_handler(skb);
136 spin_lock_irqsave(&scsi_nl_lock, flags);
137 transports[tport].refcnt--;
138 } else
139 err = -ENOENT;
140
141 spin_unlock_irqrestore(&scsi_nl_lock, flags);
92 142
93next_msg: 143next_msg:
94 if ((err) || (nlh->nlmsg_flags & NLM_F_ACK)) 144 if ((err) || (nlh->nlmsg_flags & NLM_F_ACK))
@@ -110,14 +160,42 @@ static int
110scsi_nl_rcv_event(struct notifier_block *this, unsigned long event, void *ptr) 160scsi_nl_rcv_event(struct notifier_block *this, unsigned long event, void *ptr)
111{ 161{
112 struct netlink_notify *n = ptr; 162 struct netlink_notify *n = ptr;
163 struct scsi_nl_drvr *driver;
164 unsigned long flags;
165 int tport;
113 166
114 if (n->protocol != NETLINK_SCSITRANSPORT) 167 if (n->protocol != NETLINK_SCSITRANSPORT)
115 return NOTIFY_DONE; 168 return NOTIFY_DONE;
116 169
170 spin_lock_irqsave(&scsi_nl_lock, flags);
171 scsi_nl_state |= STATE_EHANDLER_BSY;
172
117 /* 173 /*
118 * Currently, we are not tracking PID's, etc. There is nothing 174 * Pass event on to any transports that may be listening
119 * to handle.
120 */ 175 */
176 for (tport = 0; tport < SCSI_NL_MAX_TRANSPORTS; tport++) {
177 if (!(transports[tport].flags & HANDLER_DELETING) &&
178 (transports[tport].event_handler)) {
179 spin_unlock_irqrestore(&scsi_nl_lock, flags);
180 transports[tport].event_handler(this, event, ptr);
181 spin_lock_irqsave(&scsi_nl_lock, flags);
182 }
183 }
184
185 /*
186 * Pass event on to any drivers that may be listening
187 */
188 list_for_each_entry(driver, &scsi_nl_drivers, next) {
189 if (!(driver->flags & HANDLER_DELETING) &&
190 (driver->devt_handler)) {
191 spin_unlock_irqrestore(&scsi_nl_lock, flags);
192 driver->devt_handler(this, event, ptr);
193 spin_lock_irqsave(&scsi_nl_lock, flags);
194 }
195 }
196
197 scsi_nl_state &= ~STATE_EHANDLER_BSY;
198 spin_unlock_irqrestore(&scsi_nl_lock, flags);
121 199
122 return NOTIFY_DONE; 200 return NOTIFY_DONE;
123} 201}
@@ -128,7 +206,281 @@ static struct notifier_block scsi_netlink_notifier = {
128 206
129 207
130/** 208/**
131 * scsi_netlink_init - Called by SCSI subsystem to intialize the SCSI transport netlink interface 209 * GENERIC SCSI transport receive and event handlers
210 **/
211
212/**
213 * scsi_generic_msg_handler - receive message handler for GENERIC transport
214 * messages
215 *
216 * @skb: socket receive buffer
217 *
218 **/
219static int
220scsi_generic_msg_handler(struct sk_buff *skb)
221{
222 struct nlmsghdr *nlh = nlmsg_hdr(skb);
223 struct scsi_nl_hdr *snlh = NLMSG_DATA(nlh);
224 struct scsi_nl_drvr *driver;
225 struct Scsi_Host *shost;
226 unsigned long flags;
227 int err = 0, match, pid;
228
229 pid = NETLINK_CREDS(skb)->pid;
230
231 switch (snlh->msgtype) {
232 case SCSI_NL_SHOST_VENDOR:
233 {
234 struct scsi_nl_host_vendor_msg *msg = NLMSG_DATA(nlh);
235
236 /* Locate the driver that corresponds to the message */
237 spin_lock_irqsave(&scsi_nl_lock, flags);
238 match = 0;
239 list_for_each_entry(driver, &scsi_nl_drivers, next) {
240 if (driver->vendor_id == msg->vendor_id) {
241 match = 1;
242 break;
243 }
244 }
245
246 if ((!match) || (!driver->dmsg_handler)) {
247 spin_unlock_irqrestore(&scsi_nl_lock, flags);
248 err = -ESRCH;
249 goto rcv_exit;
250 }
251
252 if (driver->flags & HANDLER_DELETING) {
253 spin_unlock_irqrestore(&scsi_nl_lock, flags);
254 err = -ESHUTDOWN;
255 goto rcv_exit;
256 }
257
258 driver->refcnt++;
259 spin_unlock_irqrestore(&scsi_nl_lock, flags);
260
261
262 /* if successful, scsi_host_lookup takes a shost reference */
263 shost = scsi_host_lookup(msg->host_no);
264 if (!shost) {
265 err = -ENODEV;
266 goto driver_exit;
267 }
268
269 /* is this host owned by the vendor ? */
270 if (shost->hostt != driver->hostt) {
271 err = -EINVAL;
272 goto vendormsg_put;
273 }
274
275 /* pass message on to the driver */
276 err = driver->dmsg_handler(shost, (void *)&msg[1],
277 msg->vmsg_datalen, pid);
278
279vendormsg_put:
280 /* release reference by scsi_host_lookup */
281 scsi_host_put(shost);
282
283driver_exit:
284 /* release our own reference on the registration object */
285 spin_lock_irqsave(&scsi_nl_lock, flags);
286 driver->refcnt--;
287 spin_unlock_irqrestore(&scsi_nl_lock, flags);
288 break;
289 }
290
291 default:
292 err = -EBADR;
293 break;
294 }
295
296rcv_exit:
297 if (err)
298 printk(KERN_WARNING "%s: Msgtype %d failed - err %d\n",
299 __func__, snlh->msgtype, err);
300 return err;
301}
302
303
304/**
305 * scsi_nl_add_transport -
306 * Registers message and event handlers for a transport. Enables
307 * receipt of netlink messages and events to a transport.
308 *
309 * @tport: transport registering handlers
310 * @msg_handler: receive message handler callback
311 * @event_handler: receive event handler callback
312 **/
313int
314scsi_nl_add_transport(u8 tport,
315 int (*msg_handler)(struct sk_buff *),
316 void (*event_handler)(struct notifier_block *, unsigned long, void *))
317{
318 unsigned long flags;
319 int err = 0;
320
321 if (tport >= SCSI_NL_MAX_TRANSPORTS)
322 return -EINVAL;
323
324 spin_lock_irqsave(&scsi_nl_lock, flags);
325
326 if (scsi_nl_state & STATE_EHANDLER_BSY) {
327 spin_unlock_irqrestore(&scsi_nl_lock, flags);
328 msleep(1);
329 spin_lock_irqsave(&scsi_nl_lock, flags);
330 }
331
332 if (transports[tport].msg_handler || transports[tport].event_handler) {
333 err = -EALREADY;
334 goto register_out;
335 }
336
337 transports[tport].msg_handler = msg_handler;
338 transports[tport].event_handler = event_handler;
339 transports[tport].flags = 0;
340 transports[tport].refcnt = 0;
341
342register_out:
343 spin_unlock_irqrestore(&scsi_nl_lock, flags);
344
345 return err;
346}
347EXPORT_SYMBOL_GPL(scsi_nl_add_transport);
348
349
350/**
351 * scsi_nl_remove_transport -
352 * Disable transport receiption of messages and events
353 *
354 * @tport: transport deregistering handlers
355 *
356 **/
357void
358scsi_nl_remove_transport(u8 tport)
359{
360 unsigned long flags;
361
362 spin_lock_irqsave(&scsi_nl_lock, flags);
363 if (scsi_nl_state & STATE_EHANDLER_BSY) {
364 spin_unlock_irqrestore(&scsi_nl_lock, flags);
365 msleep(1);
366 spin_lock_irqsave(&scsi_nl_lock, flags);
367 }
368
369 if (tport < SCSI_NL_MAX_TRANSPORTS) {
370 transports[tport].flags |= HANDLER_DELETING;
371
372 while (transports[tport].refcnt != 0) {
373 spin_unlock_irqrestore(&scsi_nl_lock, flags);
374 schedule_timeout_uninterruptible(HZ/4);
375 spin_lock_irqsave(&scsi_nl_lock, flags);
376 }
377 transports[tport].msg_handler = NULL;
378 transports[tport].event_handler = NULL;
379 transports[tport].flags = 0;
380 }
381
382 spin_unlock_irqrestore(&scsi_nl_lock, flags);
383
384 return;
385}
386EXPORT_SYMBOL_GPL(scsi_nl_remove_transport);
387
388
389/**
390 * scsi_nl_add_driver -
391 * A driver is registering its interfaces for SCSI netlink messages
392 *
393 * @vendor_id: A unique identification value for the driver.
394 * @hostt: address of the driver's host template. Used
395 * to verify an shost is bound to the driver
396 * @nlmsg_handler: receive message handler callback
397 * @nlevt_handler: receive event handler callback
398 *
399 * Returns:
400 * 0 on Success
401 * error result otherwise
402 **/
403int
404scsi_nl_add_driver(u64 vendor_id, struct scsi_host_template *hostt,
405 int (*nlmsg_handler)(struct Scsi_Host *shost, void *payload,
406 u32 len, u32 pid),
407 void (*nlevt_handler)(struct notifier_block *nb,
408 unsigned long event, void *notify_ptr))
409{
410 struct scsi_nl_drvr *driver;
411 unsigned long flags;
412
413 driver = kzalloc(sizeof(*driver), GFP_KERNEL);
414 if (unlikely(!driver)) {
415 printk(KERN_ERR "%s: allocation failure\n", __func__);
416 return -ENOMEM;
417 }
418
419 driver->dmsg_handler = nlmsg_handler;
420 driver->devt_handler = nlevt_handler;
421 driver->hostt = hostt;
422 driver->vendor_id = vendor_id;
423
424 spin_lock_irqsave(&scsi_nl_lock, flags);
425 if (scsi_nl_state & STATE_EHANDLER_BSY) {
426 spin_unlock_irqrestore(&scsi_nl_lock, flags);
427 msleep(1);
428 spin_lock_irqsave(&scsi_nl_lock, flags);
429 }
430 list_add_tail(&driver->next, &scsi_nl_drivers);
431 spin_unlock_irqrestore(&scsi_nl_lock, flags);
432
433 return 0;
434}
435EXPORT_SYMBOL_GPL(scsi_nl_add_driver);
436
437
438/**
439 * scsi_nl_remove_driver -
440 * An driver is unregistering with the SCSI netlink messages
441 *
442 * @vendor_id: The unique identification value for the driver.
443 **/
444void
445scsi_nl_remove_driver(u64 vendor_id)
446{
447 struct scsi_nl_drvr *driver;
448 unsigned long flags;
449
450 spin_lock_irqsave(&scsi_nl_lock, flags);
451 if (scsi_nl_state & STATE_EHANDLER_BSY) {
452 spin_unlock_irqrestore(&scsi_nl_lock, flags);
453 msleep(1);
454 spin_lock_irqsave(&scsi_nl_lock, flags);
455 }
456
457 list_for_each_entry(driver, &scsi_nl_drivers, next) {
458 if (driver->vendor_id == vendor_id) {
459 driver->flags |= HANDLER_DELETING;
460 while (driver->refcnt != 0) {
461 spin_unlock_irqrestore(&scsi_nl_lock, flags);
462 schedule_timeout_uninterruptible(HZ/4);
463 spin_lock_irqsave(&scsi_nl_lock, flags);
464 }
465 list_del(&driver->next);
466 kfree(driver);
467 spin_unlock_irqrestore(&scsi_nl_lock, flags);
468 return;
469 }
470 }
471
472 spin_unlock_irqrestore(&scsi_nl_lock, flags);
473
474 printk(KERN_ERR "%s: removal of driver failed - vendor_id 0x%llx\n",
475 __func__, (unsigned long long)vendor_id);
476 return;
477}
478EXPORT_SYMBOL_GPL(scsi_nl_remove_driver);
479
480
481/**
482 * scsi_netlink_init - Called by SCSI subsystem to intialize
483 * the SCSI transport netlink interface
132 * 484 *
133 **/ 485 **/
134void 486void
@@ -136,6 +488,8 @@ scsi_netlink_init(void)
136{ 488{
137 int error; 489 int error;
138 490
491 INIT_LIST_HEAD(&scsi_nl_drivers);
492
139 error = netlink_register_notifier(&scsi_netlink_notifier); 493 error = netlink_register_notifier(&scsi_netlink_notifier);
140 if (error) { 494 if (error) {
141 printk(KERN_ERR "%s: register of event handler failed - %d\n", 495 printk(KERN_ERR "%s: register of event handler failed - %d\n",
@@ -150,8 +504,15 @@ scsi_netlink_init(void)
150 printk(KERN_ERR "%s: register of recieve handler failed\n", 504 printk(KERN_ERR "%s: register of recieve handler failed\n",
151 __func__); 505 __func__);
152 netlink_unregister_notifier(&scsi_netlink_notifier); 506 netlink_unregister_notifier(&scsi_netlink_notifier);
507 return;
153 } 508 }
154 509
510 /* Register the entry points for the generic SCSI transport */
511 error = scsi_nl_add_transport(SCSI_NL_TRANSPORT,
512 scsi_generic_msg_handler, NULL);
513 if (error)
514 printk(KERN_ERR "%s: register of GENERIC transport handler"
515 " failed - %d\n", __func__, error);
155 return; 516 return;
156} 517}
157 518
@@ -163,6 +524,8 @@ scsi_netlink_init(void)
163void 524void
164scsi_netlink_exit(void) 525scsi_netlink_exit(void)
165{ 526{
527 scsi_nl_remove_transport(SCSI_NL_TRANSPORT);
528
166 if (scsi_nl_sock) { 529 if (scsi_nl_sock) {
167 netlink_kernel_release(scsi_nl_sock); 530 netlink_kernel_release(scsi_nl_sock);
168 netlink_unregister_notifier(&scsi_netlink_notifier); 531 netlink_unregister_notifier(&scsi_netlink_notifier);
@@ -172,3 +535,147 @@ scsi_netlink_exit(void)
172} 535}
173 536
174 537
538/*
539 * Exported Interfaces
540 */
541
542/**
543 * scsi_nl_send_transport_msg -
544 * Generic function to send a single message from a SCSI transport to
545 * a single process
546 *
547 * @pid: receiving pid
548 * @hdr: message payload
549 *
550 **/
551void
552scsi_nl_send_transport_msg(u32 pid, struct scsi_nl_hdr *hdr)
553{
554 struct sk_buff *skb;
555 struct nlmsghdr *nlh;
556 const char *fn;
557 char *datab;
558 u32 len, skblen;
559 int err;
560
561 if (!scsi_nl_sock) {
562 err = -ENOENT;
563 fn = "netlink socket";
564 goto msg_fail;
565 }
566
567 len = NLMSG_SPACE(hdr->msglen);
568 skblen = NLMSG_SPACE(len);
569
570 skb = alloc_skb(skblen, GFP_KERNEL);
571 if (!skb) {
572 err = -ENOBUFS;
573 fn = "alloc_skb";
574 goto msg_fail;
575 }
576
577 nlh = nlmsg_put(skb, pid, 0, SCSI_TRANSPORT_MSG, len - sizeof(*nlh), 0);
578 if (!nlh) {
579 err = -ENOBUFS;
580 fn = "nlmsg_put";
581 goto msg_fail_skb;
582 }
583 datab = NLMSG_DATA(nlh);
584 memcpy(datab, hdr, hdr->msglen);
585
586 err = nlmsg_unicast(scsi_nl_sock, skb, pid);
587 if (err < 0) {
588 fn = "nlmsg_unicast";
589 /* nlmsg_unicast already kfree_skb'd */
590 goto msg_fail;
591 }
592
593 return;
594
595msg_fail_skb:
596 kfree_skb(skb);
597msg_fail:
598 printk(KERN_WARNING
599 "%s: Dropped Message : pid %d Transport %d, msgtype x%x, "
600 "msglen %d: %s : err %d\n",
601 __func__, pid, hdr->transport, hdr->msgtype, hdr->msglen,
602 fn, err);
603 return;
604}
605EXPORT_SYMBOL_GPL(scsi_nl_send_transport_msg);
606
607
608/**
609 * scsi_nl_send_vendor_msg - called to send a shost vendor unique message
610 * to a specific process id.
611 *
612 * @pid: process id of the receiver
613 * @host_no: host # sending the message
614 * @vendor_id: unique identifier for the driver's vendor
615 * @data_len: amount, in bytes, of vendor unique payload data
616 * @data_buf: pointer to vendor unique data buffer
617 *
618 * Returns:
619 * 0 on succesful return
620 * otherwise, failing error code
621 *
622 * Notes:
623 * This routine assumes no locks are held on entry.
624 */
625int
626scsi_nl_send_vendor_msg(u32 pid, unsigned short host_no, u64 vendor_id,
627 char *data_buf, u32 data_len)
628{
629 struct sk_buff *skb;
630 struct nlmsghdr *nlh;
631 struct scsi_nl_host_vendor_msg *msg;
632 u32 len, skblen;
633 int err;
634
635 if (!scsi_nl_sock) {
636 err = -ENOENT;
637 goto send_vendor_fail;
638 }
639
640 len = SCSI_NL_MSGALIGN(sizeof(*msg) + data_len);
641 skblen = NLMSG_SPACE(len);
642
643 skb = alloc_skb(skblen, GFP_KERNEL);
644 if (!skb) {
645 err = -ENOBUFS;
646 goto send_vendor_fail;
647 }
648
649 nlh = nlmsg_put(skb, 0, 0, SCSI_TRANSPORT_MSG,
650 skblen - sizeof(*nlh), 0);
651 if (!nlh) {
652 err = -ENOBUFS;
653 goto send_vendor_fail_skb;
654 }
655 msg = NLMSG_DATA(nlh);
656
657 INIT_SCSI_NL_HDR(&msg->snlh, SCSI_NL_TRANSPORT,
658 SCSI_NL_SHOST_VENDOR, len);
659 msg->vendor_id = vendor_id;
660 msg->host_no = host_no;
661 msg->vmsg_datalen = data_len; /* bytes */
662 memcpy(&msg[1], data_buf, data_len);
663
664 err = nlmsg_unicast(scsi_nl_sock, skb, pid);
665 if (err)
666 /* nlmsg_multicast already kfree_skb'd */
667 goto send_vendor_fail;
668
669 return 0;
670
671send_vendor_fail_skb:
672 kfree_skb(skb);
673send_vendor_fail:
674 printk(KERN_WARNING
675 "%s: Dropped SCSI Msg : host %d vendor_unique - err %d\n",
676 __func__, host_no, err);
677 return err;
678}
679EXPORT_SYMBOL(scsi_nl_send_vendor_msg);
680
681
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index c6a904a45bf9..82f7b2dd08a2 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -259,8 +259,8 @@ static int scsi_add_single_device(uint host, uint channel, uint id, uint lun)
259 int error = -ENXIO; 259 int error = -ENXIO;
260 260
261 shost = scsi_host_lookup(host); 261 shost = scsi_host_lookup(host);
262 if (IS_ERR(shost)) 262 if (!shost)
263 return PTR_ERR(shost); 263 return error;
264 264
265 if (shost->transportt->user_scan) 265 if (shost->transportt->user_scan)
266 error = shost->transportt->user_scan(shost, channel, id, lun); 266 error = shost->transportt->user_scan(shost, channel, id, lun);
@@ -287,8 +287,8 @@ static int scsi_remove_single_device(uint host, uint channel, uint id, uint lun)
287 int error = -ENXIO; 287 int error = -ENXIO;
288 288
289 shost = scsi_host_lookup(host); 289 shost = scsi_host_lookup(host);
290 if (IS_ERR(shost)) 290 if (!shost)
291 return PTR_ERR(shost); 291 return error;
292 sdev = scsi_device_lookup(shost, channel, id, lun); 292 sdev = scsi_device_lookup(shost, channel, id, lun);
293 if (sdev) { 293 if (sdev) {
294 scsi_remove_device(sdev); 294 scsi_remove_device(sdev);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 34d0de6cd511..334862e26a1b 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -730,6 +730,8 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
730static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, 730static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
731 int *bflags, int async) 731 int *bflags, int async)
732{ 732{
733 int ret;
734
733 /* 735 /*
734 * XXX do not save the inquiry, since it can change underneath us, 736 * XXX do not save the inquiry, since it can change underneath us,
735 * save just vendor/model/rev. 737 * save just vendor/model/rev.
@@ -885,7 +887,17 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
885 887
886 /* set the device running here so that slave configure 888 /* set the device running here so that slave configure
887 * may do I/O */ 889 * may do I/O */
888 scsi_device_set_state(sdev, SDEV_RUNNING); 890 ret = scsi_device_set_state(sdev, SDEV_RUNNING);
891 if (ret) {
892 ret = scsi_device_set_state(sdev, SDEV_BLOCK);
893
894 if (ret) {
895 sdev_printk(KERN_ERR, sdev,
896 "in wrong state %s to complete scan\n",
897 scsi_device_state_name(sdev->sdev_state));
898 return SCSI_SCAN_NO_RESPONSE;
899 }
900 }
889 901
890 if (*bflags & BLIST_MS_192_BYTES_FOR_3F) 902 if (*bflags & BLIST_MS_192_BYTES_FOR_3F)
891 sdev->use_192_bytes_for_3f = 1; 903 sdev->use_192_bytes_for_3f = 1;
@@ -899,7 +911,7 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
899 transport_configure_device(&sdev->sdev_gendev); 911 transport_configure_device(&sdev->sdev_gendev);
900 912
901 if (sdev->host->hostt->slave_configure) { 913 if (sdev->host->hostt->slave_configure) {
902 int ret = sdev->host->hostt->slave_configure(sdev); 914 ret = sdev->host->hostt->slave_configure(sdev);
903 if (ret) { 915 if (ret) {
904 /* 916 /*
905 * if LLDD reports slave not present, don't clutter 917 * if LLDD reports slave not present, don't clutter
@@ -994,7 +1006,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
994 */ 1006 */
995 sdev = scsi_device_lookup_by_target(starget, lun); 1007 sdev = scsi_device_lookup_by_target(starget, lun);
996 if (sdev) { 1008 if (sdev) {
997 if (rescan || sdev->sdev_state != SDEV_CREATED) { 1009 if (rescan || !scsi_device_created(sdev)) {
998 SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO 1010 SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO
999 "scsi scan: device exists on %s\n", 1011 "scsi scan: device exists on %s\n",
1000 sdev->sdev_gendev.bus_id)); 1012 sdev->sdev_gendev.bus_id));
@@ -1467,7 +1479,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags,
1467 kfree(lun_data); 1479 kfree(lun_data);
1468 out: 1480 out:
1469 scsi_device_put(sdev); 1481 scsi_device_put(sdev);
1470 if (sdev->sdev_state == SDEV_CREATED) 1482 if (scsi_device_created(sdev))
1471 /* 1483 /*
1472 * the sdev we used didn't appear in the report luns scan 1484 * the sdev we used didn't appear in the report luns scan
1473 */ 1485 */
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 7f618ee5ecea..93c28f30bbd7 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -34,6 +34,7 @@ static const struct {
34 { SDEV_QUIESCE, "quiesce" }, 34 { SDEV_QUIESCE, "quiesce" },
35 { SDEV_OFFLINE, "offline" }, 35 { SDEV_OFFLINE, "offline" },
36 { SDEV_BLOCK, "blocked" }, 36 { SDEV_BLOCK, "blocked" },
37 { SDEV_CREATED_BLOCK, "created-blocked" },
37}; 38};
38 39
39const char *scsi_device_state_name(enum scsi_device_state state) 40const char *scsi_device_state_name(enum scsi_device_state state)
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index 3117bb106b5d..48ba413f7f6a 100644
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -460,7 +460,7 @@ int scsi_tgt_kspace_exec(int host_no, u64 itn_id, int result, u64 tag,
460 460
461 /* TODO: replace with a O(1) alg */ 461 /* TODO: replace with a O(1) alg */
462 shost = scsi_host_lookup(host_no); 462 shost = scsi_host_lookup(host_no);
463 if (IS_ERR(shost)) { 463 if (!shost) {
464 printk(KERN_ERR "Could not find host no %d\n", host_no); 464 printk(KERN_ERR "Could not find host no %d\n", host_no);
465 return -EINVAL; 465 return -EINVAL;
466 } 466 }
@@ -550,7 +550,7 @@ int scsi_tgt_kspace_tsk_mgmt(int host_no, u64 itn_id, u64 mid, int result)
550 dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid); 550 dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
551 551
552 shost = scsi_host_lookup(host_no); 552 shost = scsi_host_lookup(host_no);
553 if (IS_ERR(shost)) { 553 if (!shost) {
554 printk(KERN_ERR "Could not find host no %d\n", host_no); 554 printk(KERN_ERR "Could not find host no %d\n", host_no);
555 return err; 555 return err;
556 } 556 }
@@ -603,7 +603,7 @@ int scsi_tgt_kspace_it_nexus_rsp(int host_no, u64 itn_id, int result)
603 dprintk("%d %d%llx\n", host_no, result, (unsigned long long)itn_id); 603 dprintk("%d %d%llx\n", host_no, result, (unsigned long long)itn_id);
604 604
605 shost = scsi_host_lookup(host_no); 605 shost = scsi_host_lookup(host_no);
606 if (IS_ERR(shost)) { 606 if (!shost) {
607 printk(KERN_ERR "Could not find host no %d\n", host_no); 607 printk(KERN_ERR "Could not find host no %d\n", host_no);
608 return err; 608 return err;
609 } 609 }
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 9168883d0dfe..d5f7653bb94b 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -40,31 +40,7 @@
40 40
41static int fc_queue_work(struct Scsi_Host *, struct work_struct *); 41static int fc_queue_work(struct Scsi_Host *, struct work_struct *);
42static void fc_vport_sched_delete(struct work_struct *work); 42static void fc_vport_sched_delete(struct work_struct *work);
43 43static int fc_vport_setup(struct Scsi_Host *shost, int channel,
44/*
45 * This is a temporary carrier for creating a vport. It will eventually
46 * be replaced by a real message definition for sgio or netlink.
47 *
48 * fc_vport_identifiers: This set of data contains all elements
49 * to uniquely identify and instantiate a FC virtual port.
50 *
51 * Notes:
52 * symbolic_name: The driver is to append the symbolic_name string data
53 * to the symbolic_node_name data that it generates by default.
54 * the resulting combination should then be registered with the switch.
55 * It is expected that things like Xen may stuff a VM title into
56 * this field.
57 */
58struct fc_vport_identifiers {
59 u64 node_name;
60 u64 port_name;
61 u32 roles;
62 bool disable;
63 enum fc_port_type vport_type; /* only FC_PORTTYPE_NPIV allowed */
64 char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
65};
66
67static int fc_vport_create(struct Scsi_Host *shost, int channel,
68 struct device *pdev, struct fc_vport_identifiers *ids, 44 struct device *pdev, struct fc_vport_identifiers *ids,
69 struct fc_vport **vport); 45 struct fc_vport **vport);
70 46
@@ -1760,7 +1736,7 @@ store_fc_host_vport_create(struct device *dev, struct device_attribute *attr,
1760 vid.disable = false; /* always enabled */ 1736 vid.disable = false; /* always enabled */
1761 1737
1762 /* we only allow support on Channel 0 !!! */ 1738 /* we only allow support on Channel 0 !!! */
1763 stat = fc_vport_create(shost, 0, &shost->shost_gendev, &vid, &vport); 1739 stat = fc_vport_setup(shost, 0, &shost->shost_gendev, &vid, &vport);
1764 return stat ? stat : count; 1740 return stat ? stat : count;
1765} 1741}
1766static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL, 1742static FC_DEVICE_ATTR(host, vport_create, S_IWUSR, NULL,
@@ -3103,7 +3079,7 @@ fc_scsi_scan_rport(struct work_struct *work)
3103 3079
3104 3080
3105/** 3081/**
3106 * fc_vport_create - allocates and creates a FC virtual port. 3082 * fc_vport_setup - allocates and creates a FC virtual port.
3107 * @shost: scsi host the virtual port is connected to. 3083 * @shost: scsi host the virtual port is connected to.
3108 * @channel: Channel on shost port connected to. 3084 * @channel: Channel on shost port connected to.
3109 * @pdev: parent device for vport 3085 * @pdev: parent device for vport
@@ -3118,7 +3094,7 @@ fc_scsi_scan_rport(struct work_struct *work)
3118 * This routine assumes no locks are held on entry. 3094 * This routine assumes no locks are held on entry.
3119 */ 3095 */
3120static int 3096static int
3121fc_vport_create(struct Scsi_Host *shost, int channel, struct device *pdev, 3097fc_vport_setup(struct Scsi_Host *shost, int channel, struct device *pdev,
3122 struct fc_vport_identifiers *ids, struct fc_vport **ret_vport) 3098 struct fc_vport_identifiers *ids, struct fc_vport **ret_vport)
3123{ 3099{
3124 struct fc_host_attrs *fc_host = shost_to_fc_host(shost); 3100 struct fc_host_attrs *fc_host = shost_to_fc_host(shost);
@@ -3231,6 +3207,28 @@ delete_vport:
3231 return error; 3207 return error;
3232} 3208}
3233 3209
3210/**
3211 * fc_vport_create - Admin App or LLDD requests creation of a vport
3212 * @shost: scsi host the virtual port is connected to.
3213 * @channel: channel on shost port connected to.
3214 * @ids: The world wide names, FC4 port roles, etc for
3215 * the virtual port.
3216 *
3217 * Notes:
3218 * This routine assumes no locks are held on entry.
3219 */
3220struct fc_vport *
3221fc_vport_create(struct Scsi_Host *shost, int channel,
3222 struct fc_vport_identifiers *ids)
3223{
3224 int stat;
3225 struct fc_vport *vport;
3226
3227 stat = fc_vport_setup(shost, channel, &shost->shost_gendev,
3228 ids, &vport);
3229 return stat ? NULL : vport;
3230}
3231EXPORT_SYMBOL(fc_vport_create);
3234 3232
3235/** 3233/**
3236 * fc_vport_terminate - Admin App or LLDD requests termination of a vport 3234 * fc_vport_terminate - Admin App or LLDD requests termination of a vport
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 043c3921164f..0ce5f7cdfe2a 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1361,7 +1361,7 @@ iscsi_tgt_dscvr(struct iscsi_transport *transport,
1361 return -EINVAL; 1361 return -EINVAL;
1362 1362
1363 shost = scsi_host_lookup(ev->u.tgt_dscvr.host_no); 1363 shost = scsi_host_lookup(ev->u.tgt_dscvr.host_no);
1364 if (IS_ERR(shost)) { 1364 if (!shost) {
1365 printk(KERN_ERR "target discovery could not find host no %u\n", 1365 printk(KERN_ERR "target discovery could not find host no %u\n",
1366 ev->u.tgt_dscvr.host_no); 1366 ev->u.tgt_dscvr.host_no);
1367 return -ENODEV; 1367 return -ENODEV;
@@ -1387,7 +1387,7 @@ iscsi_set_host_param(struct iscsi_transport *transport,
1387 return -ENOSYS; 1387 return -ENOSYS;
1388 1388
1389 shost = scsi_host_lookup(ev->u.set_host_param.host_no); 1389 shost = scsi_host_lookup(ev->u.set_host_param.host_no);
1390 if (IS_ERR(shost)) { 1390 if (!shost) {
1391 printk(KERN_ERR "set_host_param could not find host no %u\n", 1391 printk(KERN_ERR "set_host_param could not find host no %u\n",
1392 ev->u.set_host_param.host_no); 1392 ev->u.set_host_param.host_no);
1393 return -ENODEV; 1393 return -ENODEV;
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index c0cf4acda7de..a7b53be63367 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -47,6 +47,7 @@
47#include <linux/blkpg.h> 47#include <linux/blkpg.h>
48#include <linux/delay.h> 48#include <linux/delay.h>
49#include <linux/mutex.h> 49#include <linux/mutex.h>
50#include <linux/string_helpers.h>
50#include <asm/uaccess.h> 51#include <asm/uaccess.h>
51 52
52#include <scsi/scsi.h> 53#include <scsi/scsi.h>
@@ -1433,27 +1434,21 @@ got_data:
1433 */ 1434 */
1434 sector_size = 512; 1435 sector_size = 512;
1435 } 1436 }
1437 blk_queue_hardsect_size(sdp->request_queue, sector_size);
1438
1436 { 1439 {
1437 /* 1440 char cap_str_2[10], cap_str_10[10];
1438 * The msdos fs needs to know the hardware sector size 1441 u64 sz = sdkp->capacity << ffz(~sector_size);
1439 * So I have created this table. See ll_rw_blk.c
1440 * Jacques Gelinas (Jacques@solucorp.qc.ca)
1441 */
1442 int hard_sector = sector_size;
1443 sector_t sz = (sdkp->capacity/2) * (hard_sector/256);
1444 struct request_queue *queue = sdp->request_queue;
1445 sector_t mb = sz;
1446 1442
1447 blk_queue_hardsect_size(queue, hard_sector); 1443 string_get_size(sz, STRING_UNITS_2, cap_str_2,
1448 /* avoid 64-bit division on 32-bit platforms */ 1444 sizeof(cap_str_2));
1449 sector_div(sz, 625); 1445 string_get_size(sz, STRING_UNITS_10, cap_str_10,
1450 mb -= sz - 974; 1446 sizeof(cap_str_10));
1451 sector_div(mb, 1950);
1452 1447
1453 sd_printk(KERN_NOTICE, sdkp, 1448 sd_printk(KERN_NOTICE, sdkp,
1454 "%llu %d-byte hardware sectors (%llu MB)\n", 1449 "%llu %d-byte hardware sectors: (%s/%s)\n",
1455 (unsigned long long)sdkp->capacity, 1450 (unsigned long long)sdkp->capacity,
1456 hard_sector, (unsigned long long)mb); 1451 sector_size, cap_str_10, cap_str_2);
1457 } 1452 }
1458 1453
1459 /* Rescale capacity to 512-byte units */ 1454 /* Rescale capacity to 512-byte units */
diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c
index 1723d71cbf3f..69ac6e590f1d 100644
--- a/drivers/scsi/tmscsim.c
+++ b/drivers/scsi/tmscsim.c
@@ -2573,8 +2573,8 @@ static struct pci_driver dc390_driver = {
2573static int __init dc390_module_init(void) 2573static int __init dc390_module_init(void)
2574{ 2574{
2575 if (!disable_clustering) 2575 if (!disable_clustering)
2576 printk(KERN_INFO "DC390: clustering now enabled by default. If you get problems load\n" 2576 printk(KERN_INFO "DC390: clustering now enabled by default. If you get problems load\n");
2577 "\twith \"disable_clustering=1\" and report to maintainers\n"); 2577 printk(KERN_INFO " with \"disable_clustering=1\" and report to maintainers\n");
2578 2578
2579 if (tmscsim[0] == -1 || tmscsim[0] > 15) { 2579 if (tmscsim[0] == -1 || tmscsim[0] > 15) {
2580 tmscsim[0] = 7; 2580 tmscsim[0] = 7;
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
new file mode 100644
index 000000000000..a3eb2f65b656
--- /dev/null
+++ b/include/linux/string_helpers.h
@@ -0,0 +1,16 @@
1#ifndef _LINUX_STRING_HELPERS_H_
2#define _LINUX_STRING_HELPERS_H_
3
4#include <linux/types.h>
5
6/* Descriptions of the types of units to
7 * print in */
8enum string_size_units {
9 STRING_UNITS_10, /* use powers of 10^3 (standard SI) */
10 STRING_UNITS_2, /* use binary powers of 2^10 */
11};
12
13int string_get_size(u64 size, enum string_size_units units,
14 char *buf, int len);
15
16#endif
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 80b2e93c2936..b49e725be039 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -42,9 +42,11 @@ enum scsi_device_state {
42 * originate in the mid-layer) */ 42 * originate in the mid-layer) */
43 SDEV_OFFLINE, /* Device offlined (by error handling or 43 SDEV_OFFLINE, /* Device offlined (by error handling or
44 * user request */ 44 * user request */
45 SDEV_BLOCK, /* Device blocked by scsi lld. No scsi 45 SDEV_BLOCK, /* Device blocked by scsi lld. No
46 * commands from user or midlayer should be issued 46 * scsi commands from user or midlayer
47 * to the scsi lld. */ 47 * should be issued to the scsi
48 * lld. */
49 SDEV_CREATED_BLOCK, /* same as above but for created devices */
48}; 50};
49 51
50enum scsi_device_event { 52enum scsi_device_event {
@@ -384,10 +386,23 @@ static inline unsigned int sdev_id(struct scsi_device *sdev)
384#define scmd_id(scmd) sdev_id((scmd)->device) 386#define scmd_id(scmd) sdev_id((scmd)->device)
385#define scmd_channel(scmd) sdev_channel((scmd)->device) 387#define scmd_channel(scmd) sdev_channel((scmd)->device)
386 388
389/*
390 * checks for positions of the SCSI state machine
391 */
387static inline int scsi_device_online(struct scsi_device *sdev) 392static inline int scsi_device_online(struct scsi_device *sdev)
388{ 393{
389 return sdev->sdev_state != SDEV_OFFLINE; 394 return sdev->sdev_state != SDEV_OFFLINE;
390} 395}
396static inline int scsi_device_blocked(struct scsi_device *sdev)
397{
398 return sdev->sdev_state == SDEV_BLOCK ||
399 sdev->sdev_state == SDEV_CREATED_BLOCK;
400}
401static inline int scsi_device_created(struct scsi_device *sdev)
402{
403 return sdev->sdev_state == SDEV_CREATED ||
404 sdev->sdev_state == SDEV_CREATED_BLOCK;
405}
391 406
392/* accessor functions for the SCSI parameters */ 407/* accessor functions for the SCSI parameters */
393static inline int scsi_device_sync(struct scsi_device *sdev) 408static inline int scsi_device_sync(struct scsi_device *sdev)
diff --git a/include/scsi/scsi_netlink.h b/include/scsi/scsi_netlink.h
index 8c1470cc8209..536752c40d41 100644
--- a/include/scsi/scsi_netlink.h
+++ b/include/scsi/scsi_netlink.h
@@ -22,6 +22,9 @@
22#ifndef SCSI_NETLINK_H 22#ifndef SCSI_NETLINK_H
23#define SCSI_NETLINK_H 23#define SCSI_NETLINK_H
24 24
25#include <linux/netlink.h>
26
27
25/* 28/*
26 * This file intended to be included by both kernel and user space 29 * This file intended to be included by both kernel and user space
27 */ 30 */
@@ -55,7 +58,41 @@ struct scsi_nl_hdr {
55#define SCSI_NL_TRANSPORT_FC 1 58#define SCSI_NL_TRANSPORT_FC 1
56#define SCSI_NL_MAX_TRANSPORTS 2 59#define SCSI_NL_MAX_TRANSPORTS 2
57 60
58/* scsi_nl_hdr->msgtype values are defined in each transport */ 61/* Transport-based scsi_nl_hdr->msgtype values are defined in each transport */
62
63/*
64 * GENERIC SCSI scsi_nl_hdr->msgtype Values
65 */
66 /* kernel -> user */
67#define SCSI_NL_SHOST_VENDOR 0x0001
68 /* user -> kernel */
69/* SCSI_NL_SHOST_VENDOR msgtype is kernel->user and user->kernel */
70
71
72/*
73 * Message Structures :
74 */
75
76/* macro to round up message lengths to 8byte boundary */
77#define SCSI_NL_MSGALIGN(len) (((len) + 7) & ~7)
78
79
80/*
81 * SCSI HOST Vendor Unique messages :
82 * SCSI_NL_SHOST_VENDOR
83 *
84 * Note: The Vendor Unique message payload will begin directly after
85 * this structure, with the length of the payload per vmsg_datalen.
86 *
87 * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
88 * formatting requirements specified below
89 */
90struct scsi_nl_host_vendor_msg {
91 struct scsi_nl_hdr snlh; /* must be 1st element ! */
92 uint64_t vendor_id;
93 uint16_t host_no;
94 uint16_t vmsg_datalen;
95} __attribute__((aligned(sizeof(uint64_t))));
59 96
60 97
61/* 98/*
@@ -83,5 +120,28 @@ struct scsi_nl_hdr {
83 } 120 }
84 121
85 122
123#ifdef __KERNEL__
124
125#include <scsi/scsi_host.h>
126
127/* Exported Kernel Interfaces */
128int scsi_nl_add_transport(u8 tport,
129 int (*msg_handler)(struct sk_buff *),
130 void (*event_handler)(struct notifier_block *, unsigned long, void *));
131void scsi_nl_remove_transport(u8 tport);
132
133int scsi_nl_add_driver(u64 vendor_id, struct scsi_host_template *hostt,
134 int (*nlmsg_handler)(struct Scsi_Host *shost, void *payload,
135 u32 len, u32 pid),
136 void (*nlevt_handler)(struct notifier_block *nb,
137 unsigned long event, void *notify_ptr));
138void scsi_nl_remove_driver(u64 vendor_id);
139
140void scsi_nl_send_transport_msg(u32 pid, struct scsi_nl_hdr *hdr);
141int scsi_nl_send_vendor_msg(u32 pid, unsigned short host_no, u64 vendor_id,
142 char *data_buf, u32 data_len);
143
144#endif /* __KERNEL__ */
145
86#endif /* SCSI_NETLINK_H */ 146#endif /* SCSI_NETLINK_H */
87 147
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 878373c32ef7..21018a4df452 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -167,6 +167,26 @@ enum fc_tgtid_binding_type {
167struct device_attribute dev_attr_vport_##_name = \ 167struct device_attribute dev_attr_vport_##_name = \
168 __ATTR(_name,_mode,_show,_store) 168 __ATTR(_name,_mode,_show,_store)
169 169
170/*
171 * fc_vport_identifiers: This set of data contains all elements
172 * to uniquely identify and instantiate a FC virtual port.
173 *
174 * Notes:
175 * symbolic_name: The driver is to append the symbolic_name string data
176 * to the symbolic_node_name data that it generates by default.
177 * the resulting combination should then be registered with the switch.
178 * It is expected that things like Xen may stuff a VM title into
179 * this field.
180 */
181#define FC_VPORT_SYMBOLIC_NAMELEN 64
182struct fc_vport_identifiers {
183 u64 node_name;
184 u64 port_name;
185 u32 roles;
186 bool disable;
187 enum fc_port_type vport_type; /* only FC_PORTTYPE_NPIV allowed */
188 char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
189};
170 190
171/* 191/*
172 * FC Virtual Port Attributes 192 * FC Virtual Port Attributes
@@ -197,7 +217,6 @@ struct device_attribute dev_attr_vport_##_name = \
197 * managed by the transport w/o driver interaction. 217 * managed by the transport w/o driver interaction.
198 */ 218 */
199 219
200#define FC_VPORT_SYMBOLIC_NAMELEN 64
201struct fc_vport { 220struct fc_vport {
202 /* Fixed Attributes */ 221 /* Fixed Attributes */
203 222
@@ -732,6 +751,8 @@ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
732 * be sure to read the Vendor Type and ID formatting requirements 751 * be sure to read the Vendor Type and ID formatting requirements
733 * specified in scsi_netlink.h 752 * specified in scsi_netlink.h
734 */ 753 */
754struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
755 struct fc_vport_identifiers *);
735int fc_vport_terminate(struct fc_vport *vport); 756int fc_vport_terminate(struct fc_vport *vport);
736 757
737#endif /* SCSI_TRANSPORT_FC_H */ 758#endif /* SCSI_TRANSPORT_FC_H */
diff --git a/lib/Makefile b/lib/Makefile
index 3b1f94bbe9de..44001af76a7d 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -19,7 +19,8 @@ lib-$(CONFIG_SMP) += cpumask.o
19lib-y += kobject.o kref.o klist.o 19lib-y += kobject.o kref.o klist.o
20 20
21obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \ 21obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
22 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o 22 bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
23 string_helpers.o
23 24
24ifeq ($(CONFIG_DEBUG_KOBJECT),y) 25ifeq ($(CONFIG_DEBUG_KOBJECT),y)
25CFLAGS_kobject.o += -DDEBUG 26CFLAGS_kobject.o += -DDEBUG
diff --git a/lib/string_helpers.c b/lib/string_helpers.c
new file mode 100644
index 000000000000..8347925030ff
--- /dev/null
+++ b/lib/string_helpers.c
@@ -0,0 +1,64 @@
1/*
2 * Helpers for formatting and printing strings
3 *
4 * Copyright 31 August 2008 James Bottomley
5 */
6#include <linux/kernel.h>
7#include <linux/math64.h>
8#include <linux/module.h>
9#include <linux/string_helpers.h>
10
11/**
12 * string_get_size - get the size in the specified units
13 * @size: The size to be converted
14 * @units: units to use (powers of 1000 or 1024)
15 * @buf: buffer to format to
16 * @len: length of buffer
17 *
18 * This function returns a string formatted to 3 significant figures
19 * giving the size in the required units. Returns 0 on success or
20 * error on failure. @buf is always zero terminated.
21 *
22 */
23int string_get_size(u64 size, const enum string_size_units units,
24 char *buf, int len)
25{
26 const char *units_10[] = { "B", "KB", "MB", "GB", "TB", "PB",
27 "EB", "ZB", "YB", NULL};
28 const char *units_2[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB",
29 "EiB", "ZiB", "YiB", NULL };
30 const char **units_str[] = {
31 [STRING_UNITS_10] = units_10,
32 [STRING_UNITS_2] = units_2,
33 };
34 const int divisor[] = {
35 [STRING_UNITS_10] = 1000,
36 [STRING_UNITS_2] = 1024,
37 };
38 int i, j;
39 u64 remainder = 0, sf_cap;
40 char tmp[8];
41
42 tmp[0] = '\0';
43
44 for (i = 0; size > divisor[units] && units_str[units][i]; i++)
45 remainder = do_div(size, divisor[units]);
46
47 sf_cap = size;
48 for (j = 0; sf_cap*10 < 1000; j++)
49 sf_cap *= 10;
50
51 if (j) {
52 remainder *= 1000;
53 do_div(remainder, divisor[units]);
54 snprintf(tmp, sizeof(tmp), ".%03lld",
55 (unsigned long long)remainder);
56 tmp[j+1] = '\0';
57 }
58
59 snprintf(buf, len, "%lld%s%s", (unsigned long long)size,
60 tmp, units_str[units][i]);
61
62 return 0;
63}
64EXPORT_SYMBOL(string_get_size);
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-21 07:25:57 -0500