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authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-04 18:38:10 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-08-04 18:38:10 -0400
commit2edb3898b82a20ec459a67fcf76ceddcbecfe395 (patch)
tree6e7f93004e326813a0c134f1f5281b86c21a2111 /drivers
parentc71c090ff9c474d70af4796b5ea9f548a9d3b6b8 (diff)
parentffd4bc2a984fab40ed969163efdff321490e8032 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (23 commits) [SCSI] sd: Avoid sending extended inquiry to legacy devices [SCSI] libsas: fix wide port hotplug issues [SCSI] libfc: fix a circular locking warning during sending RRQ [SCSI] qla4xxx: Remove hiwat code so scsi eh does not get escalated when we can make progress [SCSI] qla4xxx: Fix srb lookup in qla4xxx_eh_device_reset [SCSI] qla4xxx: Fix Driver Fault Recovery Completion [SCSI] qla4xxx: add timeout handler [SCSI] qla4xxx: Correct Extended Sense Data Errors [SCSI] libiscsi: disable bh in and abort handler. [SCSI] zfcp: Fix tracing of request id for abort requests [SCSI] zfcp: Fix wka port processing [SCSI] zfcp: avoid double notify in lowmem scenario [SCSI] zfcp: Add port only once to FC transport class [SCSI] zfcp: Recover from stalled outbound queue [SCSI] zfcp: Fix erp escalation procedure [SCSI] zfcp: Fix logic for physical port close [SCSI] zfcp: Use -EIO for SBAL allocation failures [SCSI] zfcp: Use unchained mode for small ct and els requests [SCSI] zfcp: Use correct flags for zfcp_erp_notify [SCSI] zfcp: Return -ENOMEM for allocation failures in zfcp_fsf ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/s390/scsi/zfcp_erp.c68
-rw-r--r--drivers/s390/scsi/zfcp_fc.c8
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c56
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c25
-rw-r--r--drivers/s390/scsi/zfcp_sysfs.c7
-rw-r--r--drivers/scsi/libfc/fc_exch.c23
-rw-r--r--drivers/scsi/libiscsi.c4
-rw-r--r--drivers/scsi/libsas/sas_expander.c147
-rw-r--r--drivers/scsi/libsas/sas_port.c19
-rw-r--r--drivers/scsi/qla4xxx/ql4_dbg.c15
-rw-r--r--drivers/scsi/qla4xxx/ql4_def.h9
-rw-r--r--drivers/scsi/qla4xxx/ql4_fw.h7
-rw-r--r--drivers/scsi/qla4xxx/ql4_iocb.c133
-rw-r--r--drivers/scsi/qla4xxx/ql4_isr.c145
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c10
-rw-r--r--drivers/scsi/qla4xxx/ql4_os.c40
-rw-r--r--drivers/scsi/qla4xxx/ql4_version.h2
-rw-r--r--drivers/scsi/sd.c20
18 files changed, 465 insertions, 273 deletions
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 8030e25152f..c75d6f35cb5 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -553,40 +553,35 @@ static void _zfcp_erp_unit_reopen_all(struct zfcp_port *port, int clear,
553 _zfcp_erp_unit_reopen(unit, clear, id, ref); 553 _zfcp_erp_unit_reopen(unit, clear, id, ref);
554} 554}
555 555
556static void zfcp_erp_strategy_followup_actions(struct zfcp_erp_action *act) 556static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act)
557{ 557{
558 struct zfcp_adapter *adapter = act->adapter;
559 struct zfcp_port *port = act->port;
560 struct zfcp_unit *unit = act->unit;
561 u32 status = act->status;
562
563 /* initiate follow-up actions depending on success of finished action */
564 switch (act->action) { 558 switch (act->action) {
565
566 case ZFCP_ERP_ACTION_REOPEN_ADAPTER: 559 case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
567 if (status == ZFCP_ERP_SUCCEEDED) 560 _zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1", NULL);
568 _zfcp_erp_port_reopen_all(adapter, 0, "ersfa_1", NULL);
569 else
570 _zfcp_erp_adapter_reopen(adapter, 0, "ersfa_2", NULL);
571 break; 561 break;
572
573 case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED: 562 case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
574 if (status == ZFCP_ERP_SUCCEEDED) 563 _zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2", NULL);
575 _zfcp_erp_port_reopen(port, 0, "ersfa_3", NULL);
576 else
577 _zfcp_erp_adapter_reopen(adapter, 0, "ersfa_4", NULL);
578 break; 564 break;
579
580 case ZFCP_ERP_ACTION_REOPEN_PORT: 565 case ZFCP_ERP_ACTION_REOPEN_PORT:
581 if (status == ZFCP_ERP_SUCCEEDED) 566 _zfcp_erp_port_reopen(act->port, 0, "ersff_3", NULL);
582 _zfcp_erp_unit_reopen_all(port, 0, "ersfa_5", NULL);
583 else
584 _zfcp_erp_port_forced_reopen(port, 0, "ersfa_6", NULL);
585 break; 567 break;
586
587 case ZFCP_ERP_ACTION_REOPEN_UNIT: 568 case ZFCP_ERP_ACTION_REOPEN_UNIT:
588 if (status != ZFCP_ERP_SUCCEEDED) 569 _zfcp_erp_unit_reopen(act->unit, 0, "ersff_4", NULL);
589 _zfcp_erp_port_reopen(unit->port, 0, "ersfa_7", NULL); 570 break;
571 }
572}
573
574static void zfcp_erp_strategy_followup_success(struct zfcp_erp_action *act)
575{
576 switch (act->action) {
577 case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
578 _zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1", NULL);
579 break;
580 case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
581 _zfcp_erp_port_reopen(act->port, 0, "ersfs_2", NULL);
582 break;
583 case ZFCP_ERP_ACTION_REOPEN_PORT:
584 _zfcp_erp_unit_reopen_all(act->port, 0, "ersfs_3", NULL);
590 break; 585 break;
591 } 586 }
592} 587}
@@ -801,7 +796,7 @@ static int zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
801 return ZFCP_ERP_FAILED; 796 return ZFCP_ERP_FAILED;
802 797
803 case ZFCP_ERP_STEP_PHYS_PORT_CLOSING: 798 case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
804 if (status & ZFCP_STATUS_PORT_PHYS_OPEN) 799 if (!(status & ZFCP_STATUS_PORT_PHYS_OPEN))
805 return ZFCP_ERP_SUCCEEDED; 800 return ZFCP_ERP_SUCCEEDED;
806 } 801 }
807 return ZFCP_ERP_FAILED; 802 return ZFCP_ERP_FAILED;
@@ -853,11 +848,17 @@ void zfcp_erp_port_strategy_open_lookup(struct work_struct *work)
853 gid_pn_work); 848 gid_pn_work);
854 849
855 retval = zfcp_fc_ns_gid_pn(&port->erp_action); 850 retval = zfcp_fc_ns_gid_pn(&port->erp_action);
856 if (retval == -ENOMEM) 851 if (!retval) {
857 zfcp_erp_notify(&port->erp_action, ZFCP_ERP_NOMEM); 852 port->erp_action.step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP;
858 port->erp_action.step = ZFCP_ERP_STEP_NAMESERVER_LOOKUP; 853 goto out;
859 if (retval) 854 }
860 zfcp_erp_notify(&port->erp_action, ZFCP_ERP_FAILED); 855 if (retval == -ENOMEM) {
856 zfcp_erp_notify(&port->erp_action, ZFCP_STATUS_ERP_LOWMEM);
857 goto out;
858 }
859 /* all other error condtions */
860 zfcp_erp_notify(&port->erp_action, 0);
861out:
861 zfcp_port_put(port); 862 zfcp_port_put(port);
862} 863}
863 864
@@ -1289,7 +1290,10 @@ static int zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
1289 retval = zfcp_erp_strategy_statechange(erp_action, retval); 1290 retval = zfcp_erp_strategy_statechange(erp_action, retval);
1290 if (retval == ZFCP_ERP_EXIT) 1291 if (retval == ZFCP_ERP_EXIT)
1291 goto unlock; 1292 goto unlock;
1292 zfcp_erp_strategy_followup_actions(erp_action); 1293 if (retval == ZFCP_ERP_SUCCEEDED)
1294 zfcp_erp_strategy_followup_success(erp_action);
1295 if (retval == ZFCP_ERP_FAILED)
1296 zfcp_erp_strategy_followup_failed(erp_action);
1293 1297
1294 unlock: 1298 unlock:
1295 write_unlock(&adapter->erp_lock); 1299 write_unlock(&adapter->erp_lock);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 2f0705d76b7..47daebfa7e5 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -79,11 +79,9 @@ static int zfcp_wka_port_get(struct zfcp_wka_port *wka_port)
79 79
80 mutex_unlock(&wka_port->mutex); 80 mutex_unlock(&wka_port->mutex);
81 81
82 wait_event_timeout( 82 wait_event(wka_port->completion_wq,
83 wka_port->completion_wq, 83 wka_port->status == ZFCP_WKA_PORT_ONLINE ||
84 wka_port->status == ZFCP_WKA_PORT_ONLINE || 84 wka_port->status == ZFCP_WKA_PORT_OFFLINE);
85 wka_port->status == ZFCP_WKA_PORT_OFFLINE,
86 HZ >> 1);
87 85
88 if (wka_port->status == ZFCP_WKA_PORT_ONLINE) { 86 if (wka_port->status == ZFCP_WKA_PORT_ONLINE) {
89 atomic_inc(&wka_port->refcount); 87 atomic_inc(&wka_port->refcount);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index c57658f3d34..47795fbf081 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -670,8 +670,11 @@ static int zfcp_fsf_req_sbal_get(struct zfcp_adapter *adapter)
670 zfcp_fsf_sbal_check(adapter), 5 * HZ); 670 zfcp_fsf_sbal_check(adapter), 5 * HZ);
671 if (ret > 0) 671 if (ret > 0)
672 return 0; 672 return 0;
673 if (!ret) 673 if (!ret) {
674 atomic_inc(&adapter->qdio_outb_full); 674 atomic_inc(&adapter->qdio_outb_full);
675 /* assume hanging outbound queue, try queue recovery */
676 zfcp_erp_adapter_reopen(adapter, 0, "fsrsg_1", NULL);
677 }
675 678
676 spin_lock_bh(&adapter->req_q_lock); 679 spin_lock_bh(&adapter->req_q_lock);
677 return -EIO; 680 return -EIO;
@@ -722,7 +725,7 @@ static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_adapter *adapter,
722 req = zfcp_fsf_alloc_qtcb(pool); 725 req = zfcp_fsf_alloc_qtcb(pool);
723 726
724 if (unlikely(!req)) 727 if (unlikely(!req))
725 return ERR_PTR(-EIO); 728 return ERR_PTR(-ENOMEM);
726 729
727 if (adapter->req_no == 0) 730 if (adapter->req_no == 0)
728 adapter->req_no++; 731 adapter->req_no++;
@@ -1010,6 +1013,23 @@ skip_fsfstatus:
1010 send_ct->handler(send_ct->handler_data); 1013 send_ct->handler(send_ct->handler_data);
1011} 1014}
1012 1015
1016static void zfcp_fsf_setup_ct_els_unchained(struct qdio_buffer_element *sbale,
1017 struct scatterlist *sg_req,
1018 struct scatterlist *sg_resp)
1019{
1020 sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE_READ;
1021 sbale[2].addr = sg_virt(sg_req);
1022 sbale[2].length = sg_req->length;
1023 sbale[3].addr = sg_virt(sg_resp);
1024 sbale[3].length = sg_resp->length;
1025 sbale[3].flags |= SBAL_FLAGS_LAST_ENTRY;
1026}
1027
1028static int zfcp_fsf_one_sbal(struct scatterlist *sg)
1029{
1030 return sg_is_last(sg) && sg->length <= PAGE_SIZE;
1031}
1032
1013static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req, 1033static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
1014 struct scatterlist *sg_req, 1034 struct scatterlist *sg_req,
1015 struct scatterlist *sg_resp, 1035 struct scatterlist *sg_resp,
@@ -1020,30 +1040,30 @@ static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
1020 int bytes; 1040 int bytes;
1021 1041
1022 if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) { 1042 if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) {
1023 if (sg_req->length > PAGE_SIZE || sg_resp->length > PAGE_SIZE || 1043 if (!zfcp_fsf_one_sbal(sg_req) || !zfcp_fsf_one_sbal(sg_resp))
1024 !sg_is_last(sg_req) || !sg_is_last(sg_resp))
1025 return -EOPNOTSUPP; 1044 return -EOPNOTSUPP;
1026 1045
1027 sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE_READ; 1046 zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
1028 sbale[2].addr = sg_virt(sg_req); 1047 return 0;
1029 sbale[2].length = sg_req->length; 1048 }
1030 sbale[3].addr = sg_virt(sg_resp); 1049
1031 sbale[3].length = sg_resp->length; 1050 /* use single, unchained SBAL if it can hold the request */
1032 sbale[3].flags |= SBAL_FLAGS_LAST_ENTRY; 1051 if (zfcp_fsf_one_sbal(sg_req) && zfcp_fsf_one_sbal(sg_resp)) {
1052 zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
1033 return 0; 1053 return 0;
1034 } 1054 }
1035 1055
1036 bytes = zfcp_qdio_sbals_from_sg(req, SBAL_FLAGS0_TYPE_WRITE_READ, 1056 bytes = zfcp_qdio_sbals_from_sg(req, SBAL_FLAGS0_TYPE_WRITE_READ,
1037 sg_req, max_sbals); 1057 sg_req, max_sbals);
1038 if (bytes <= 0) 1058 if (bytes <= 0)
1039 return -ENOMEM; 1059 return -EIO;
1040 req->qtcb->bottom.support.req_buf_length = bytes; 1060 req->qtcb->bottom.support.req_buf_length = bytes;
1041 req->sbale_curr = ZFCP_LAST_SBALE_PER_SBAL; 1061 req->sbale_curr = ZFCP_LAST_SBALE_PER_SBAL;
1042 1062
1043 bytes = zfcp_qdio_sbals_from_sg(req, SBAL_FLAGS0_TYPE_WRITE_READ, 1063 bytes = zfcp_qdio_sbals_from_sg(req, SBAL_FLAGS0_TYPE_WRITE_READ,
1044 sg_resp, max_sbals); 1064 sg_resp, max_sbals);
1045 if (bytes <= 0) 1065 if (bytes <= 0)
1046 return -ENOMEM; 1066 return -EIO;
1047 req->qtcb->bottom.support.resp_buf_length = bytes; 1067 req->qtcb->bottom.support.resp_buf_length = bytes;
1048 1068
1049 return 0; 1069 return 0;
@@ -1607,10 +1627,10 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
1607 case FSF_ACCESS_DENIED: 1627 case FSF_ACCESS_DENIED:
1608 wka_port->status = ZFCP_WKA_PORT_OFFLINE; 1628 wka_port->status = ZFCP_WKA_PORT_OFFLINE;
1609 break; 1629 break;
1610 case FSF_PORT_ALREADY_OPEN:
1611 break;
1612 case FSF_GOOD: 1630 case FSF_GOOD:
1613 wka_port->handle = header->port_handle; 1631 wka_port->handle = header->port_handle;
1632 /* fall through */
1633 case FSF_PORT_ALREADY_OPEN:
1614 wka_port->status = ZFCP_WKA_PORT_ONLINE; 1634 wka_port->status = ZFCP_WKA_PORT_ONLINE;
1615 } 1635 }
1616out: 1636out:
@@ -1731,15 +1751,16 @@ static void zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *req)
1731 zfcp_fsf_access_denied_port(req, port); 1751 zfcp_fsf_access_denied_port(req, port);
1732 break; 1752 break;
1733 case FSF_PORT_BOXED: 1753 case FSF_PORT_BOXED:
1734 zfcp_erp_port_boxed(port, "fscpph2", req);
1735 req->status |= ZFCP_STATUS_FSFREQ_ERROR |
1736 ZFCP_STATUS_FSFREQ_RETRY;
1737 /* can't use generic zfcp_erp_modify_port_status because 1754 /* can't use generic zfcp_erp_modify_port_status because
1738 * ZFCP_STATUS_COMMON_OPEN must not be reset for the port */ 1755 * ZFCP_STATUS_COMMON_OPEN must not be reset for the port */
1739 atomic_clear_mask(ZFCP_STATUS_PORT_PHYS_OPEN, &port->status); 1756 atomic_clear_mask(ZFCP_STATUS_PORT_PHYS_OPEN, &port->status);
1740 list_for_each_entry(unit, &port->unit_list_head, list) 1757 list_for_each_entry(unit, &port->unit_list_head, list)
1741 atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN, 1758 atomic_clear_mask(ZFCP_STATUS_COMMON_OPEN,
1742 &unit->status); 1759 &unit->status);
1760 zfcp_erp_port_boxed(port, "fscpph2", req);
1761 req->status |= ZFCP_STATUS_FSFREQ_ERROR |
1762 ZFCP_STATUS_FSFREQ_RETRY;
1763
1743 break; 1764 break;
1744 case FSF_ADAPTER_STATUS_AVAILABLE: 1765 case FSF_ADAPTER_STATUS_AVAILABLE:
1745 switch (header->fsf_status_qual.word[0]) { 1766 switch (header->fsf_status_qual.word[0]) {
@@ -2541,7 +2562,6 @@ struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
2541 bytes = zfcp_qdio_sbals_from_sg(req, direction, fsf_cfdc->sg, 2562 bytes = zfcp_qdio_sbals_from_sg(req, direction, fsf_cfdc->sg,
2542 FSF_MAX_SBALS_PER_REQ); 2563 FSF_MAX_SBALS_PER_REQ);
2543 if (bytes != ZFCP_CFDC_MAX_SIZE) { 2564 if (bytes != ZFCP_CFDC_MAX_SIZE) {
2544 retval = -ENOMEM;
2545 zfcp_fsf_req_free(req); 2565 zfcp_fsf_req_free(req);
2546 goto out; 2566 goto out;
2547 } 2567 }
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 967ede73f4c..6925a178468 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -167,20 +167,21 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
167 struct zfcp_unit *unit = scpnt->device->hostdata; 167 struct zfcp_unit *unit = scpnt->device->hostdata;
168 struct zfcp_fsf_req *old_req, *abrt_req; 168 struct zfcp_fsf_req *old_req, *abrt_req;
169 unsigned long flags; 169 unsigned long flags;
170 unsigned long old_req_id = (unsigned long) scpnt->host_scribble; 170 unsigned long old_reqid = (unsigned long) scpnt->host_scribble;
171 int retval = SUCCESS; 171 int retval = SUCCESS;
172 int retry = 3; 172 int retry = 3;
173 char *dbf_tag;
173 174
174 /* avoid race condition between late normal completion and abort */ 175 /* avoid race condition between late normal completion and abort */
175 write_lock_irqsave(&adapter->abort_lock, flags); 176 write_lock_irqsave(&adapter->abort_lock, flags);
176 177
177 spin_lock(&adapter->req_list_lock); 178 spin_lock(&adapter->req_list_lock);
178 old_req = zfcp_reqlist_find(adapter, old_req_id); 179 old_req = zfcp_reqlist_find(adapter, old_reqid);
179 spin_unlock(&adapter->req_list_lock); 180 spin_unlock(&adapter->req_list_lock);
180 if (!old_req) { 181 if (!old_req) {
181 write_unlock_irqrestore(&adapter->abort_lock, flags); 182 write_unlock_irqrestore(&adapter->abort_lock, flags);
182 zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL, 183 zfcp_scsi_dbf_event_abort("lte1", adapter, scpnt, NULL,
183 old_req_id); 184 old_reqid);
184 return FAILED; /* completion could be in progress */ 185 return FAILED; /* completion could be in progress */
185 } 186 }
186 old_req->data = NULL; 187 old_req->data = NULL;
@@ -189,7 +190,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
189 write_unlock_irqrestore(&adapter->abort_lock, flags); 190 write_unlock_irqrestore(&adapter->abort_lock, flags);
190 191
191 while (retry--) { 192 while (retry--) {
192 abrt_req = zfcp_fsf_abort_fcp_command(old_req_id, unit); 193 abrt_req = zfcp_fsf_abort_fcp_command(old_reqid, unit);
193 if (abrt_req) 194 if (abrt_req)
194 break; 195 break;
195 196
@@ -197,7 +198,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
197 if (!(atomic_read(&adapter->status) & 198 if (!(atomic_read(&adapter->status) &
198 ZFCP_STATUS_COMMON_RUNNING)) { 199 ZFCP_STATUS_COMMON_RUNNING)) {
199 zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL, 200 zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL,
200 old_req_id); 201 old_reqid);
201 return SUCCESS; 202 return SUCCESS;
202 } 203 }
203 } 204 }
@@ -208,13 +209,14 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
208 abrt_req->status & ZFCP_STATUS_FSFREQ_COMPLETED); 209 abrt_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
209 210
210 if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED) 211 if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED)
211 zfcp_scsi_dbf_event_abort("okay", adapter, scpnt, abrt_req, 0); 212 dbf_tag = "okay";
212 else if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED) 213 else if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED)
213 zfcp_scsi_dbf_event_abort("lte2", adapter, scpnt, abrt_req, 0); 214 dbf_tag = "lte2";
214 else { 215 else {
215 zfcp_scsi_dbf_event_abort("fail", adapter, scpnt, abrt_req, 0); 216 dbf_tag = "fail";
216 retval = FAILED; 217 retval = FAILED;
217 } 218 }
219 zfcp_scsi_dbf_event_abort(dbf_tag, adapter, scpnt, abrt_req, old_reqid);
218 zfcp_fsf_req_free(abrt_req); 220 zfcp_fsf_req_free(abrt_req);
219 return retval; 221 return retval;
220} 222}
@@ -534,6 +536,9 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
534 struct fc_rport_identifiers ids; 536 struct fc_rport_identifiers ids;
535 struct fc_rport *rport; 537 struct fc_rport *rport;
536 538
539 if (port->rport)
540 return;
541
537 ids.node_name = port->wwnn; 542 ids.node_name = port->wwnn;
538 ids.port_name = port->wwpn; 543 ids.port_name = port->wwpn;
539 ids.port_id = port->d_id; 544 ids.port_id = port->d_id;
@@ -557,8 +562,10 @@ static void zfcp_scsi_rport_block(struct zfcp_port *port)
557{ 562{
558 struct fc_rport *rport = port->rport; 563 struct fc_rport *rport = port->rport;
559 564
560 if (rport) 565 if (rport) {
561 fc_remote_port_delete(rport); 566 fc_remote_port_delete(rport);
567 port->rport = NULL;
568 }
562} 569}
563 570
564void zfcp_scsi_schedule_rport_register(struct zfcp_port *port) 571void zfcp_scsi_schedule_rport_register(struct zfcp_port *port)
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 3e51e64d110..0fe5cce818c 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -494,9 +494,14 @@ static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
494 struct Scsi_Host *scsi_host = class_to_shost(dev); 494 struct Scsi_Host *scsi_host = class_to_shost(dev);
495 struct zfcp_adapter *adapter = 495 struct zfcp_adapter *adapter =
496 (struct zfcp_adapter *) scsi_host->hostdata[0]; 496 (struct zfcp_adapter *) scsi_host->hostdata[0];
497 u64 util;
498
499 spin_lock_bh(&adapter->qdio_stat_lock);
500 util = adapter->req_q_util;
501 spin_unlock_bh(&adapter->qdio_stat_lock);
497 502
498 return sprintf(buf, "%d %llu\n", atomic_read(&adapter->qdio_outb_full), 503 return sprintf(buf, "%d %llu\n", atomic_read(&adapter->qdio_outb_full),
499 (unsigned long long)adapter->req_q_util); 504 (unsigned long long)util);
500} 505}
501static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL); 506static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);
502 507
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index 2bc22be5f84..145ab9ba55e 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -415,9 +415,9 @@ static void fc_exch_timeout(struct work_struct *work)
415 e_stat = ep->esb_stat; 415 e_stat = ep->esb_stat;
416 if (e_stat & ESB_ST_COMPLETE) { 416 if (e_stat & ESB_ST_COMPLETE) {
417 ep->esb_stat = e_stat & ~ESB_ST_REC_QUAL; 417 ep->esb_stat = e_stat & ~ESB_ST_REC_QUAL;
418 spin_unlock_bh(&ep->ex_lock);
418 if (e_stat & ESB_ST_REC_QUAL) 419 if (e_stat & ESB_ST_REC_QUAL)
419 fc_exch_rrq(ep); 420 fc_exch_rrq(ep);
420 spin_unlock_bh(&ep->ex_lock);
421 goto done; 421 goto done;
422 } else { 422 } else {
423 resp = ep->resp; 423 resp = ep->resp;
@@ -1624,14 +1624,14 @@ static void fc_exch_rrq(struct fc_exch *ep)
1624 struct fc_lport *lp; 1624 struct fc_lport *lp;
1625 struct fc_els_rrq *rrq; 1625 struct fc_els_rrq *rrq;
1626 struct fc_frame *fp; 1626 struct fc_frame *fp;
1627 struct fc_seq *rrq_sp;
1628 u32 did; 1627 u32 did;
1629 1628
1630 lp = ep->lp; 1629 lp = ep->lp;
1631 1630
1632 fp = fc_frame_alloc(lp, sizeof(*rrq)); 1631 fp = fc_frame_alloc(lp, sizeof(*rrq));
1633 if (!fp) 1632 if (!fp)
1634 return; 1633 goto retry;
1634
1635 rrq = fc_frame_payload_get(fp, sizeof(*rrq)); 1635 rrq = fc_frame_payload_get(fp, sizeof(*rrq));
1636 memset(rrq, 0, sizeof(*rrq)); 1636 memset(rrq, 0, sizeof(*rrq));
1637 rrq->rrq_cmd = ELS_RRQ; 1637 rrq->rrq_cmd = ELS_RRQ;
@@ -1647,13 +1647,20 @@ static void fc_exch_rrq(struct fc_exch *ep)
1647 fc_host_port_id(lp->host), FC_TYPE_ELS, 1647 fc_host_port_id(lp->host), FC_TYPE_ELS,
1648 FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0); 1648 FC_FC_FIRST_SEQ | FC_FC_END_SEQ | FC_FC_SEQ_INIT, 0);
1649 1649
1650 rrq_sp = fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep, 1650 if (fc_exch_seq_send(lp, fp, fc_exch_rrq_resp, NULL, ep, lp->e_d_tov))
1651 lp->e_d_tov); 1651 return;
1652 if (!rrq_sp) { 1652
1653 ep->esb_stat |= ESB_ST_REC_QUAL; 1653retry:
1654 fc_exch_timer_set_locked(ep, ep->r_a_tov); 1654 spin_lock_bh(&ep->ex_lock);
1655 if (ep->state & (FC_EX_RST_CLEANUP | FC_EX_DONE)) {
1656 spin_unlock_bh(&ep->ex_lock);
1657 /* drop hold for rec qual */
1658 fc_exch_release(ep);
1655 return; 1659 return;
1656 } 1660 }
1661 ep->esb_stat |= ESB_ST_REC_QUAL;
1662 fc_exch_timer_set_locked(ep, ep->r_a_tov);
1663 spin_unlock_bh(&ep->ex_lock);
1657} 1664}
1658 1665
1659 1666
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 716cc344c5d..a751f6230c2 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1974,10 +1974,10 @@ int iscsi_eh_abort(struct scsi_cmnd *sc)
1974 * good and have never sent us a successful tmf response 1974 * good and have never sent us a successful tmf response
1975 * then sent more data for the cmd. 1975 * then sent more data for the cmd.
1976 */ 1976 */
1977 spin_lock(&session->lock); 1977 spin_lock_bh(&session->lock);
1978 fail_scsi_task(task, DID_ABORT); 1978 fail_scsi_task(task, DID_ABORT);
1979 conn->tmf_state = TMF_INITIAL; 1979 conn->tmf_state = TMF_INITIAL;
1980 spin_unlock(&session->lock); 1980 spin_unlock_bh(&session->lock);
1981 iscsi_start_tx(conn); 1981 iscsi_start_tx(conn);
1982 goto success_unlocked; 1982 goto success_unlocked;
1983 case TMF_TIMEDOUT: 1983 case TMF_TIMEDOUT:
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 54fa1e42dc4..b3381959acc 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -766,6 +766,7 @@ static int sas_ex_join_wide_port(struct domain_device *parent, int phy_id)
766 if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr, 766 if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr,
767 SAS_ADDR_SIZE) && ephy->port) { 767 SAS_ADDR_SIZE) && ephy->port) {
768 sas_port_add_phy(ephy->port, phy->phy); 768 sas_port_add_phy(ephy->port, phy->phy);
769 phy->port = ephy->port;
769 phy->phy_state = PHY_DEVICE_DISCOVERED; 770 phy->phy_state = PHY_DEVICE_DISCOVERED;
770 return 0; 771 return 0;
771 } 772 }
@@ -945,11 +946,21 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
945 if (ex->ex_phy[i].phy_state == PHY_VACANT || 946 if (ex->ex_phy[i].phy_state == PHY_VACANT ||
946 ex->ex_phy[i].phy_state == PHY_NOT_PRESENT) 947 ex->ex_phy[i].phy_state == PHY_NOT_PRESENT)
947 continue; 948 continue;
948 949 /*
950 * Due to races, the phy might not get added to the
951 * wide port, so we add the phy to the wide port here.
952 */
949 if (SAS_ADDR(ex->ex_phy[i].attached_sas_addr) == 953 if (SAS_ADDR(ex->ex_phy[i].attached_sas_addr) ==
950 SAS_ADDR(child->sas_addr)) 954 SAS_ADDR(child->sas_addr)) {
951 ex->ex_phy[i].phy_state= PHY_DEVICE_DISCOVERED; 955 ex->ex_phy[i].phy_state= PHY_DEVICE_DISCOVERED;
956 res = sas_ex_join_wide_port(dev, i);
957 if (!res)
958 SAS_DPRINTK("Attaching ex phy%d to wide port %016llx\n",
959 i, SAS_ADDR(ex->ex_phy[i].attached_sas_addr));
960
961 }
952 } 962 }
963 res = 0;
953 } 964 }
954 965
955 return res; 966 return res;
@@ -1598,7 +1609,7 @@ static int sas_get_phy_attached_sas_addr(struct domain_device *dev,
1598} 1609}
1599 1610
1600static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id, 1611static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id,
1601 int from_phy) 1612 int from_phy, bool update)
1602{ 1613{
1603 struct expander_device *ex = &dev->ex_dev; 1614 struct expander_device *ex = &dev->ex_dev;
1604 int res = 0; 1615 int res = 0;
@@ -1611,7 +1622,9 @@ static int sas_find_bcast_phy(struct domain_device *dev, int *phy_id,
1611 if (res) 1622 if (res)
1612 goto out; 1623 goto out;
1613 else if (phy_change_count != ex->ex_phy[i].phy_change_count) { 1624 else if (phy_change_count != ex->ex_phy[i].phy_change_count) {
1614 ex->ex_phy[i].phy_change_count = phy_change_count; 1625 if (update)
1626 ex->ex_phy[i].phy_change_count =
1627 phy_change_count;
1615 *phy_id = i; 1628 *phy_id = i;
1616 return 0; 1629 return 0;
1617 } 1630 }
@@ -1653,31 +1666,52 @@ out:
1653 kfree(rg_req); 1666 kfree(rg_req);
1654 return res; 1667 return res;
1655} 1668}
1669/**
1670 * sas_find_bcast_dev - find the device issue BROADCAST(CHANGE).
1671 * @dev:domain device to be detect.
1672 * @src_dev: the device which originated BROADCAST(CHANGE).
1673 *
1674 * Add self-configuration expander suport. Suppose two expander cascading,
1675 * when the first level expander is self-configuring, hotplug the disks in
1676 * second level expander, BROADCAST(CHANGE) will not only be originated
1677 * in the second level expander, but also be originated in the first level
1678 * expander (see SAS protocol SAS 2r-14, 7.11 for detail), it is to say,
1679 * expander changed count in two level expanders will all increment at least
1680 * once, but the phy which chang count has changed is the source device which
1681 * we concerned.
1682 */
1656 1683
1657static int sas_find_bcast_dev(struct domain_device *dev, 1684static int sas_find_bcast_dev(struct domain_device *dev,
1658 struct domain_device **src_dev) 1685 struct domain_device **src_dev)
1659{ 1686{
1660 struct expander_device *ex = &dev->ex_dev; 1687 struct expander_device *ex = &dev->ex_dev;
1661 int ex_change_count = -1; 1688 int ex_change_count = -1;
1689 int phy_id = -1;
1662 int res; 1690 int res;
1691 struct domain_device *ch;
1663 1692
1664 res = sas_get_ex_change_count(dev, &ex_change_count); 1693 res = sas_get_ex_change_count(dev, &ex_change_count);
1665 if (res) 1694 if (res)
1666 goto out; 1695 goto out;
1667 if (ex_change_count != -1 && 1696 if (ex_change_count != -1 && ex_change_count != ex->ex_change_count) {
1668 ex_change_count != ex->ex_change_count) { 1697 /* Just detect if this expander phys phy change count changed,
1669 *src_dev = dev; 1698 * in order to determine if this expander originate BROADCAST,
1670 ex->ex_change_count = ex_change_count; 1699 * and do not update phy change count field in our structure.
1671 } else { 1700 */
1672 struct domain_device *ch; 1701 res = sas_find_bcast_phy(dev, &phy_id, 0, false);
1673 1702 if (phy_id != -1) {
1674 list_for_each_entry(ch, &ex->children, siblings) { 1703 *src_dev = dev;
1675 if (ch->dev_type == EDGE_DEV || 1704 ex->ex_change_count = ex_change_count;
1676 ch->dev_type == FANOUT_DEV) { 1705 SAS_DPRINTK("Expander phy change count has changed\n");
1677 res = sas_find_bcast_dev(ch, src_dev); 1706 return res;
1678 if (src_dev) 1707 } else
1679 return res; 1708 SAS_DPRINTK("Expander phys DID NOT change\n");
1680 } 1709 }
1710 list_for_each_entry(ch, &ex->children, siblings) {
1711 if (ch->dev_type == EDGE_DEV || ch->dev_type == FANOUT_DEV) {
1712 res = sas_find_bcast_dev(ch, src_dev);
1713 if (src_dev)
1714 return res;
1681 } 1715 }
1682 } 1716 }
1683out: 1717out:
@@ -1700,24 +1734,26 @@ static void sas_unregister_ex_tree(struct domain_device *dev)
1700} 1734}
1701 1735
1702static void sas_unregister_devs_sas_addr(struct domain_device *parent, 1736static void sas_unregister_devs_sas_addr(struct domain_device *parent,
1703 int phy_id) 1737 int phy_id, bool last)
1704{ 1738{
1705 struct expander_device *ex_dev = &parent->ex_dev; 1739 struct expander_device *ex_dev = &parent->ex_dev;
1706 struct ex_phy *phy = &ex_dev->ex_phy[phy_id]; 1740 struct ex_phy *phy = &ex_dev->ex_phy[phy_id];
1707 struct domain_device *child, *n; 1741 struct domain_device *child, *n;
1708 1742 if (last) {
1709 list_for_each_entry_safe(child, n, &ex_dev->children, siblings) { 1743 list_for_each_entry_safe(child, n,
1710 if (SAS_ADDR(child->sas_addr) == 1744 &ex_dev->children, siblings) {
1711 SAS_ADDR(phy->attached_sas_addr)) { 1745 if (SAS_ADDR(child->sas_addr) ==
1712 if (child->dev_type == EDGE_DEV || 1746 SAS_ADDR(phy->attached_sas_addr)) {
1713 child->dev_type == FANOUT_DEV) 1747 if (child->dev_type == EDGE_DEV ||
1714 sas_unregister_ex_tree(child); 1748 child->dev_type == FANOUT_DEV)
1715 else 1749 sas_unregister_ex_tree(child);
1716 sas_unregister_dev(child); 1750 else
1717 break; 1751 sas_unregister_dev(child);
1752 break;
1753 }
1718 } 1754 }
1755 sas_disable_routing(parent, phy->attached_sas_addr);
1719 } 1756 }
1720 sas_disable_routing(parent, phy->attached_sas_addr);
1721 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); 1757 memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE);
1722 sas_port_delete_phy(phy->port, phy->phy); 1758 sas_port_delete_phy(phy->port, phy->phy);
1723 if (phy->port->num_phys == 0) 1759 if (phy->port->num_phys == 0)
@@ -1770,15 +1806,31 @@ static int sas_discover_new(struct domain_device *dev, int phy_id)
1770{ 1806{
1771 struct ex_phy *ex_phy = &dev->ex_dev.ex_phy[phy_id]; 1807 struct ex_phy *ex_phy = &dev->ex_dev.ex_phy[phy_id];
1772 struct domain_device *child; 1808 struct domain_device *child;
1773 int res; 1809 bool found = false;
1810 int res, i;
1774 1811
1775 SAS_DPRINTK("ex %016llx phy%d new device attached\n", 1812 SAS_DPRINTK("ex %016llx phy%d new device attached\n",
1776 SAS_ADDR(dev->sas_addr), phy_id); 1813 SAS_ADDR(dev->sas_addr), phy_id);
1777 res = sas_ex_phy_discover(dev, phy_id); 1814 res = sas_ex_phy_discover(dev, phy_id);
1778 if (res) 1815 if (res)
1779 goto out; 1816 goto out;
1817 /* to support the wide port inserted */
1818 for (i = 0; i < dev->ex_dev.num_phys; i++) {
1819 struct ex_phy *ex_phy_temp = &dev->ex_dev.ex_phy[i];
1820 if (i == phy_id)
1821 continue;
1822 if (SAS_ADDR(ex_phy_temp->attached_sas_addr) ==
1823 SAS_ADDR(ex_phy->attached_sas_addr)) {
1824 found = true;
1825 break;
1826 }
1827 }
1828 if (found) {
1829 sas_ex_join_wide_port(dev, phy_id);
1830 return 0;
1831 }
1780 res = sas_ex_discover_devices(dev, phy_id); 1832 res = sas_ex_discover_devices(dev, phy_id);
1781 if (res) 1833 if (!res)
1782 goto out; 1834 goto out;
1783 list_for_each_entry(child, &dev->ex_dev.children, siblings) { 1835 list_for_each_entry(child, &dev->ex_dev.children, siblings) {
1784 if (SAS_ADDR(child->sas_addr) == 1836 if (SAS_ADDR(child->sas_addr) ==
@@ -1793,7 +1845,7 @@ out:
1793 return res; 1845 return res;
1794} 1846}
1795 1847
1796static int sas_rediscover_dev(struct domain_device *dev, int phy_id) 1848static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last)
1797{ 1849{
1798 struct expander_device *ex = &dev->ex_dev; 1850 struct expander_device *ex = &dev->ex_dev;
1799 struct ex_phy *phy = &ex->ex_phy[phy_id]; 1851 struct ex_phy *phy = &ex->ex_phy[phy_id];
@@ -1804,11 +1856,11 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id)
1804 switch (res) { 1856 switch (res) {
1805 case SMP_RESP_NO_PHY: 1857 case SMP_RESP_NO_PHY:
1806 phy->phy_state = PHY_NOT_PRESENT; 1858 phy->phy_state = PHY_NOT_PRESENT;
1807 sas_unregister_devs_sas_addr(dev, phy_id); 1859 sas_unregister_devs_sas_addr(dev, phy_id, last);
1808 goto out; break; 1860 goto out; break;
1809 case SMP_RESP_PHY_VACANT: 1861 case SMP_RESP_PHY_VACANT:
1810 phy->phy_state = PHY_VACANT; 1862 phy->phy_state = PHY_VACANT;
1811 sas_unregister_devs_sas_addr(dev, phy_id); 1863 sas_unregister_devs_sas_addr(dev, phy_id, last);
1812 goto out; break; 1864 goto out; break;
1813 case SMP_RESP_FUNC_ACC: 1865 case SMP_RESP_FUNC_ACC:
1814 break; 1866 break;
@@ -1816,7 +1868,7 @@ static int sas_rediscover_dev(struct domain_device *dev, int phy_id)
1816 1868
1817 if (SAS_ADDR(attached_sas_addr) == 0) { 1869 if (SAS_ADDR(attached_sas_addr) == 0) {
1818 phy->phy_state = PHY_EMPTY; 1870 phy->phy_state = PHY_EMPTY;
1819 sas_unregister_devs_sas_addr(dev, phy_id); 1871 sas_unregister_devs_sas_addr(dev, phy_id, last);
1820 } else if (SAS_ADDR(attached_sas_addr) == 1872 } else if (SAS_ADDR(attached_sas_addr) ==
1821 SAS_ADDR(phy->attached_sas_addr)) { 1873 SAS_ADDR(phy->attached_sas_addr)) {
1822 SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter\n", 1874 SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter\n",
@@ -1828,12 +1880,27 @@ out:
1828 return res; 1880 return res;
1829} 1881}
1830 1882
1883/**
1884 * sas_rediscover - revalidate the domain.
1885 * @dev:domain device to be detect.
1886 * @phy_id: the phy id will be detected.
1887 *
1888 * NOTE: this process _must_ quit (return) as soon as any connection
1889 * errors are encountered. Connection recovery is done elsewhere.
1890 * Discover process only interrogates devices in order to discover the
1891 * domain.For plugging out, we un-register the device only when it is
1892 * the last phy in the port, for other phys in this port, we just delete it
1893 * from the port.For inserting, we do discovery when it is the
1894 * first phy,for other phys in this port, we add it to the port to
1895 * forming the wide-port.
1896 */
1831static int sas_rediscover(struct domain_device *dev, const int phy_id) 1897static int sas_rediscover(struct domain_device *dev, const int phy_id)
1832{ 1898{
1833 struct expander_device *ex = &dev->ex_dev; 1899 struct expander_device *ex = &dev->ex_dev;
1834 struct ex_phy *changed_phy = &ex->ex_phy[phy_id]; 1900 struct ex_phy *changed_phy = &ex->ex_phy[phy_id];
1835 int res = 0; 1901 int res = 0;
1836 int i; 1902 int i;
1903 bool last = true; /* is this the last phy of the port */
1837 1904
1838 SAS_DPRINTK("ex %016llx phy%d originated BROADCAST(CHANGE)\n", 1905 SAS_DPRINTK("ex %016llx phy%d originated BROADCAST(CHANGE)\n",
1839 SAS_ADDR(dev->sas_addr), phy_id); 1906 SAS_ADDR(dev->sas_addr), phy_id);
@@ -1848,13 +1915,13 @@ static int sas_rediscover(struct domain_device *dev, const int phy_id)
1848 SAS_ADDR(changed_phy->attached_sas_addr)) { 1915 SAS_ADDR(changed_phy->attached_sas_addr)) {
1849 SAS_DPRINTK("phy%d part of wide port with " 1916 SAS_DPRINTK("phy%d part of wide port with "
1850 "phy%d\n", phy_id, i); 1917 "phy%d\n", phy_id, i);
1851 goto out; 1918 last = false;
1919 break;
1852 } 1920 }
1853 } 1921 }
1854 res = sas_rediscover_dev(dev, phy_id); 1922 res = sas_rediscover_dev(dev, phy_id, last);
1855 } else 1923 } else
1856 res = sas_discover_new(dev, phy_id); 1924 res = sas_discover_new(dev, phy_id);
1857out:
1858 return res; 1925 return res;
1859} 1926}
1860 1927
@@ -1881,7 +1948,7 @@ int sas_ex_revalidate_domain(struct domain_device *port_dev)
1881 1948
1882 do { 1949 do {
1883 phy_id = -1; 1950 phy_id = -1;
1884 res = sas_find_bcast_phy(dev, &phy_id, i); 1951 res = sas_find_bcast_phy(dev, &phy_id, i, true);
1885 if (phy_id == -1) 1952 if (phy_id == -1)
1886 break; 1953 break;
1887 res = sas_rediscover(dev, phy_id); 1954 res = sas_rediscover(dev, phy_id);
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index e6ac59c023f..fe8b74c706d 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -56,7 +56,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
56 } 56 }
57 } 57 }
58 58
59 /* find a port */ 59 /* see if the phy should be part of a wide port */
60 spin_lock_irqsave(&sas_ha->phy_port_lock, flags); 60 spin_lock_irqsave(&sas_ha->phy_port_lock, flags);
61 for (i = 0; i < sas_ha->num_phys; i++) { 61 for (i = 0; i < sas_ha->num_phys; i++) {
62 port = sas_ha->sas_port[i]; 62 port = sas_ha->sas_port[i];
@@ -69,12 +69,23 @@ static void sas_form_port(struct asd_sas_phy *phy)
69 SAS_DPRINTK("phy%d matched wide port%d\n", phy->id, 69 SAS_DPRINTK("phy%d matched wide port%d\n", phy->id,
70 port->id); 70 port->id);
71 break; 71 break;
72 } else if (*(u64 *) port->sas_addr == 0 && port->num_phys==0) {
73 memcpy(port->sas_addr, phy->sas_addr, SAS_ADDR_SIZE);
74 break;
75 } 72 }
76 spin_unlock(&port->phy_list_lock); 73 spin_unlock(&port->phy_list_lock);
77 } 74 }
75 /* The phy does not match any existing port, create a new one */
76 if (i == sas_ha->num_phys) {
77 for (i = 0; i < sas_ha->num_phys; i++) {
78 port = sas_ha->sas_port[i];
79 spin_lock(&port->phy_list_lock);
80 if (*(u64 *)port->sas_addr == 0
81 && port->num_phys == 0) {
82 memcpy(port->sas_addr, phy->sas_addr,
83 SAS_ADDR_SIZE);
84 break;
85 }
86 spin_unlock(&port->phy_list_lock);
87 }
88 }
78 89
79 if (i >= sas_ha->num_phys) { 90 if (i >= sas_ha->num_phys) {
80 printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n", 91 printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n",
diff --git a/drivers/scsi/qla4xxx/ql4_dbg.c b/drivers/scsi/qla4xxx/ql4_dbg.c
index fcc184cd066..cbceb0ebabf 100644
--- a/drivers/scsi/qla4xxx/ql4_dbg.c
+++ b/drivers/scsi/qla4xxx/ql4_dbg.c
@@ -15,19 +15,18 @@ void qla4xxx_dump_buffer(void *b, uint32_t size)
15 uint32_t cnt; 15 uint32_t cnt;
16 uint8_t *c = b; 16 uint8_t *c = b;
17 17
18 printk(" 0 1 2 3 4 5 6 7 8 9 Ah Bh Ch Dh Eh " 18 printk(" 0 1 2 3 4 5 6 7 8 9 Ah Bh Ch Dh Eh "
19 "Fh\n"); 19 "Fh\n");
20 printk("------------------------------------------------------------" 20 printk("------------------------------------------------------------"
21 "--\n"); 21 "--\n");
22 for (cnt = 0; cnt < size; cnt++, c++) { 22 for (cnt = 0; cnt < size; c++) {
23 printk(KERN_DEBUG "%02x", *c); 23 printk(KERN_INFO "%02x", *c);
24 if (!(cnt % 16)) 24 if (!(++cnt % 16))
25 printk(KERN_DEBUG "\n"); 25 printk(KERN_INFO "\n");
26 26
27 else 27 else
28 printk(KERN_DEBUG " "); 28 printk(KERN_INFO " ");
29 } 29 }
30 if (cnt % 16) 30 printk(KERN_INFO "\n");
31 printk(KERN_DEBUG "\n");
32} 31}
33 32
diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h
index b586f27c3bd..81b5f29254e 100644
--- a/drivers/scsi/qla4xxx/ql4_def.h
+++ b/drivers/scsi/qla4xxx/ql4_def.h
@@ -100,7 +100,6 @@
100#define MAX_SRBS MAX_CMDS_TO_RISC 100#define MAX_SRBS MAX_CMDS_TO_RISC
101#define MBOX_AEN_REG_COUNT 5 101#define MBOX_AEN_REG_COUNT 5
102#define MAX_INIT_RETRIES 5 102#define MAX_INIT_RETRIES 5
103#define IOCB_HIWAT_CUSHION 16
104 103
105/* 104/*
106 * Buffer sizes 105 * Buffer sizes
@@ -184,6 +183,11 @@ struct srb {
184 uint16_t cc_stat; 183 uint16_t cc_stat;
185 u_long r_start; /* Time we recieve a cmd from OS */ 184 u_long r_start; /* Time we recieve a cmd from OS */
186 u_long u_start; /* Time when we handed the cmd to F/W */ 185 u_long u_start; /* Time when we handed the cmd to F/W */
186
187 /* Used for extended sense / status continuation */
188 uint8_t *req_sense_ptr;
189 uint16_t req_sense_len;
190 uint16_t reserved2;
187}; 191};
188 192
189/* 193/*
@@ -302,7 +306,6 @@ struct scsi_qla_host {
302 uint32_t tot_ddbs; 306 uint32_t tot_ddbs;
303 307
304 uint16_t iocb_cnt; 308 uint16_t iocb_cnt;
305 uint16_t iocb_hiwat;
306 309
307 /* SRB cache. */ 310 /* SRB cache. */
308#define SRB_MIN_REQ 128 311#define SRB_MIN_REQ 128
@@ -436,6 +439,8 @@ struct scsi_qla_host {
436 /* Map ddb_list entry by FW ddb index */ 439 /* Map ddb_list entry by FW ddb index */
437 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES]; 440 struct ddb_entry *fw_ddb_index_map[MAX_DDB_ENTRIES];
438 441
442 /* Saved srb for status continuation entry processing */
443 struct srb *status_srb;
439}; 444};
440 445
441static inline int is_qla4010(struct scsi_qla_host *ha) 446static inline int is_qla4010(struct scsi_qla_host *ha)
diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h
index 1b667a70cff..9cd7a608df3 100644
--- a/drivers/scsi/qla4xxx/ql4_fw.h
+++ b/drivers/scsi/qla4xxx/ql4_fw.h
@@ -572,6 +572,7 @@ struct conn_event_log_entry {
572 *************************************************************************/ 572 *************************************************************************/
573#define IOCB_MAX_CDB_LEN 16 /* Bytes in a CBD */ 573#define IOCB_MAX_CDB_LEN 16 /* Bytes in a CBD */
574#define IOCB_MAX_SENSEDATA_LEN 32 /* Bytes of sense data */ 574#define IOCB_MAX_SENSEDATA_LEN 32 /* Bytes of sense data */
575#define IOCB_MAX_EXT_SENSEDATA_LEN 60 /* Bytes of extended sense data */
575 576
576/* IOCB header structure */ 577/* IOCB header structure */
577struct qla4_header { 578struct qla4_header {
@@ -733,6 +734,12 @@ struct status_entry {
733 734
734}; 735};
735 736
737/* Status Continuation entry */
738struct status_cont_entry {
739 struct qla4_header hdr; /* 00-03 */
740 uint8_t ext_sense_data[IOCB_MAX_EXT_SENSEDATA_LEN]; /* 04-63 */
741};
742
736struct passthru0 { 743struct passthru0 {
737 struct qla4_header hdr; /* 00-03 */ 744 struct qla4_header hdr; /* 00-03 */
738 uint32_t handle; /* 04-07 */ 745 uint32_t handle; /* 04-07 */
diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c
index 912a67494ad..e0c32159749 100644
--- a/drivers/scsi/qla4xxx/ql4_iocb.c
+++ b/drivers/scsi/qla4xxx/ql4_iocb.c
@@ -10,9 +10,42 @@
10#include "ql4_dbg.h" 10#include "ql4_dbg.h"
11#include "ql4_inline.h" 11#include "ql4_inline.h"
12 12
13
14#include <scsi/scsi_tcq.h> 13#include <scsi/scsi_tcq.h>
15 14
15static int
16qla4xxx_space_in_req_ring(struct scsi_qla_host *ha, uint16_t req_cnt)
17{
18 uint16_t cnt;
19
20 /* Calculate number of free request entries. */
21 if ((req_cnt + 2) >= ha->req_q_count) {
22 cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
23 if (ha->request_in < cnt)
24 ha->req_q_count = cnt - ha->request_in;
25 else
26 ha->req_q_count = REQUEST_QUEUE_DEPTH -
27 (ha->request_in - cnt);
28 }
29
30 /* Check if room for request in request ring. */
31 if ((req_cnt + 2) < ha->req_q_count)
32 return 1;
33 else
34 return 0;
35}
36
37static void qla4xxx_advance_req_ring_ptr(struct scsi_qla_host *ha)
38{
39 /* Advance request queue pointer */
40 if (ha->request_in == (REQUEST_QUEUE_DEPTH - 1)) {
41 ha->request_in = 0;
42 ha->request_ptr = ha->request_ring;
43 } else {
44 ha->request_in++;
45 ha->request_ptr++;
46 }
47}
48
16/** 49/**
17 * qla4xxx_get_req_pkt - returns a valid entry in request queue. 50 * qla4xxx_get_req_pkt - returns a valid entry in request queue.
18 * @ha: Pointer to host adapter structure. 51 * @ha: Pointer to host adapter structure.
@@ -26,35 +59,18 @@
26static int qla4xxx_get_req_pkt(struct scsi_qla_host *ha, 59static int qla4xxx_get_req_pkt(struct scsi_qla_host *ha,
27 struct queue_entry **queue_entry) 60 struct queue_entry **queue_entry)
28{ 61{
29 uint16_t request_in; 62 uint16_t req_cnt = 1;
30 uint8_t status = QLA_SUCCESS;
31
32 *queue_entry = ha->request_ptr;
33 63
34 /* get the latest request_in and request_out index */ 64 if (qla4xxx_space_in_req_ring(ha, req_cnt)) {
35 request_in = ha->request_in; 65 *queue_entry = ha->request_ptr;
36 ha->request_out = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
37
38 /* Advance request queue pointer and check for queue full */
39 if (request_in == (REQUEST_QUEUE_DEPTH - 1)) {
40 request_in = 0;
41 ha->request_ptr = ha->request_ring;
42 } else {
43 request_in++;
44 ha->request_ptr++;
45 }
46
47 /* request queue is full, try again later */
48 if ((ha->iocb_cnt + 1) >= ha->iocb_hiwat) {
49 /* restore request pointer */
50 ha->request_ptr = *queue_entry;
51 status = QLA_ERROR;
52 } else {
53 ha->request_in = request_in;
54 memset(*queue_entry, 0, sizeof(**queue_entry)); 66 memset(*queue_entry, 0, sizeof(**queue_entry));
67
68 qla4xxx_advance_req_ring_ptr(ha);
69 ha->req_q_count -= req_cnt;
70 return QLA_SUCCESS;
55 } 71 }
56 72
57 return status; 73 return QLA_ERROR;
58} 74}
59 75
60/** 76/**
@@ -100,21 +116,14 @@ exit_send_marker:
100 return status; 116 return status;
101} 117}
102 118
103static struct continuation_t1_entry* qla4xxx_alloc_cont_entry( 119static struct continuation_t1_entry *
104 struct scsi_qla_host *ha) 120qla4xxx_alloc_cont_entry(struct scsi_qla_host *ha)
105{ 121{
106 struct continuation_t1_entry *cont_entry; 122 struct continuation_t1_entry *cont_entry;
107 123
108 cont_entry = (struct continuation_t1_entry *)ha->request_ptr; 124 cont_entry = (struct continuation_t1_entry *)ha->request_ptr;
109 125
110 /* Advance request queue pointer */ 126 qla4xxx_advance_req_ring_ptr(ha);
111 if (ha->request_in == (REQUEST_QUEUE_DEPTH - 1)) {
112 ha->request_in = 0;
113 ha->request_ptr = ha->request_ring;
114 } else {
115 ha->request_in++;
116 ha->request_ptr++;
117 }
118 127
119 /* Load packet defaults */ 128 /* Load packet defaults */
120 cont_entry->hdr.entryType = ET_CONTINUE; 129 cont_entry->hdr.entryType = ET_CONTINUE;
@@ -197,13 +206,10 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
197 struct scsi_cmnd *cmd = srb->cmd; 206 struct scsi_cmnd *cmd = srb->cmd;
198 struct ddb_entry *ddb_entry; 207 struct ddb_entry *ddb_entry;
199 struct command_t3_entry *cmd_entry; 208 struct command_t3_entry *cmd_entry;
200
201 int nseg; 209 int nseg;
202 uint16_t tot_dsds; 210 uint16_t tot_dsds;
203 uint16_t req_cnt; 211 uint16_t req_cnt;
204
205 unsigned long flags; 212 unsigned long flags;
206 uint16_t cnt;
207 uint32_t index; 213 uint32_t index;
208 char tag[2]; 214 char tag[2];
209 215
@@ -217,6 +223,19 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
217 223
218 index = (uint32_t)cmd->request->tag; 224 index = (uint32_t)cmd->request->tag;
219 225
226 /*
227 * Check to see if adapter is online before placing request on
228 * request queue. If a reset occurs and a request is in the queue,
229 * the firmware will still attempt to process the request, retrieving
230 * garbage for pointers.
231 */
232 if (!test_bit(AF_ONLINE, &ha->flags)) {
233 DEBUG2(printk("scsi%ld: %s: Adapter OFFLINE! "
234 "Do not issue command.\n",
235 ha->host_no, __func__));
236 goto queuing_error;
237 }
238
220 /* Calculate the number of request entries needed. */ 239 /* Calculate the number of request entries needed. */
221 nseg = scsi_dma_map(cmd); 240 nseg = scsi_dma_map(cmd);
222 if (nseg < 0) 241 if (nseg < 0)
@@ -224,17 +243,7 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
224 tot_dsds = nseg; 243 tot_dsds = nseg;
225 244
226 req_cnt = qla4xxx_calc_request_entries(tot_dsds); 245 req_cnt = qla4xxx_calc_request_entries(tot_dsds);
227 246 if (!qla4xxx_space_in_req_ring(ha, req_cnt))
228 if (ha->req_q_count < (req_cnt + 2)) {
229 cnt = (uint16_t) le32_to_cpu(ha->shadow_regs->req_q_out);
230 if (ha->request_in < cnt)
231 ha->req_q_count = cnt - ha->request_in;
232 else
233 ha->req_q_count = REQUEST_QUEUE_DEPTH -
234 (ha->request_in - cnt);
235 }
236
237 if (ha->req_q_count < (req_cnt + 2))
238 goto queuing_error; 247 goto queuing_error;
239 248
240 /* total iocbs active */ 249 /* total iocbs active */
@@ -286,32 +295,10 @@ int qla4xxx_send_command_to_isp(struct scsi_qla_host *ha, struct srb * srb)
286 break; 295 break;
287 } 296 }
288 297
289 298 qla4xxx_advance_req_ring_ptr(ha);
290 /* Advance request queue pointer */
291 ha->request_in++;
292 if (ha->request_in == REQUEST_QUEUE_DEPTH) {
293 ha->request_in = 0;
294 ha->request_ptr = ha->request_ring;
295 } else
296 ha->request_ptr++;
297
298
299 qla4xxx_build_scsi_iocbs(srb, cmd_entry, tot_dsds); 299 qla4xxx_build_scsi_iocbs(srb, cmd_entry, tot_dsds);
300 wmb(); 300 wmb();
301 301
302 /*
303 * Check to see if adapter is online before placing request on
304 * request queue. If a reset occurs and a request is in the queue,
305 * the firmware will still attempt to process the request, retrieving
306 * garbage for pointers.
307 */
308 if (!test_bit(AF_ONLINE, &ha->flags)) {
309 DEBUG2(printk("scsi%ld: %s: Adapter OFFLINE! "
310 "Do not issue command.\n",
311 ha->host_no, __func__));
312 goto queuing_error;
313 }
314
315 srb->cmd->host_scribble = (unsigned char *)srb; 302 srb->cmd->host_scribble = (unsigned char *)srb;
316 303
317 /* update counters */ 304 /* update counters */
diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index 799120fcb9b..8025ee16588 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -11,6 +11,98 @@
11#include "ql4_inline.h" 11#include "ql4_inline.h"
12 12
13/** 13/**
14 * qla4xxx_copy_sense - copy sense data into cmd sense buffer
15 * @ha: Pointer to host adapter structure.
16 * @sts_entry: Pointer to status entry structure.
17 * @srb: Pointer to srb structure.
18 **/
19static void qla4xxx_copy_sense(struct scsi_qla_host *ha,
20 struct status_entry *sts_entry,
21 struct srb *srb)
22{
23 struct scsi_cmnd *cmd = srb->cmd;
24 uint16_t sense_len;
25
26 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
27 sense_len = le16_to_cpu(sts_entry->senseDataByteCnt);
28 if (sense_len == 0)
29 return;
30
31 /* Save total available sense length,
32 * not to exceed cmd's sense buffer size */
33 sense_len = min_t(uint16_t, sense_len, SCSI_SENSE_BUFFERSIZE);
34 srb->req_sense_ptr = cmd->sense_buffer;
35 srb->req_sense_len = sense_len;
36
37 /* Copy sense from sts_entry pkt */
38 sense_len = min_t(uint16_t, sense_len, IOCB_MAX_SENSEDATA_LEN);
39 memcpy(cmd->sense_buffer, sts_entry->senseData, sense_len);
40
41 DEBUG2(printk(KERN_INFO "scsi%ld:%d:%d:%d: %s: sense key = %x, "
42 "ASL= %02x, ASC/ASCQ = %02x/%02x\n", ha->host_no,
43 cmd->device->channel, cmd->device->id,
44 cmd->device->lun, __func__,
45 sts_entry->senseData[2] & 0x0f,
46 sts_entry->senseData[7],
47 sts_entry->senseData[12],
48 sts_entry->senseData[13]));
49
50 DEBUG5(qla4xxx_dump_buffer(cmd->sense_buffer, sense_len));
51 srb->flags |= SRB_GOT_SENSE;
52
53 /* Update srb, in case a sts_cont pkt follows */
54 srb->req_sense_ptr += sense_len;
55 srb->req_sense_len -= sense_len;
56 if (srb->req_sense_len != 0)
57 ha->status_srb = srb;
58 else
59 ha->status_srb = NULL;
60}
61
62/**
63 * qla4xxx_status_cont_entry - Process a Status Continuations entry.
64 * @ha: SCSI driver HA context
65 * @sts_cont: Entry pointer
66 *
67 * Extended sense data.
68 */
69static void
70qla4xxx_status_cont_entry(struct scsi_qla_host *ha,
71 struct status_cont_entry *sts_cont)
72{
73 struct srb *srb = ha->status_srb;
74 struct scsi_cmnd *cmd;
75 uint8_t sense_len;
76
77 if (srb == NULL)
78 return;
79
80 cmd = srb->cmd;
81 if (cmd == NULL) {
82 DEBUG2(printk(KERN_INFO "scsi%ld: %s: Cmd already returned "
83 "back to OS srb=%p srb->state:%d\n", ha->host_no,
84 __func__, srb, srb->state));
85 ha->status_srb = NULL;
86 return;
87 }
88
89 /* Copy sense data. */
90 sense_len = min_t(uint16_t, srb->req_sense_len,
91 IOCB_MAX_EXT_SENSEDATA_LEN);
92 memcpy(srb->req_sense_ptr, sts_cont->ext_sense_data, sense_len);
93 DEBUG5(qla4xxx_dump_buffer(srb->req_sense_ptr, sense_len));
94
95 srb->req_sense_ptr += sense_len;
96 srb->req_sense_len -= sense_len;
97
98 /* Place command on done queue. */
99 if (srb->req_sense_len == 0) {
100 qla4xxx_srb_compl(ha, srb);
101 ha->status_srb = NULL;
102 }
103}
104
105/**
14 * qla4xxx_status_entry - processes status IOCBs 106 * qla4xxx_status_entry - processes status IOCBs
15 * @ha: Pointer to host adapter structure. 107 * @ha: Pointer to host adapter structure.
16 * @sts_entry: Pointer to status entry structure. 108 * @sts_entry: Pointer to status entry structure.
@@ -23,7 +115,6 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
23 struct srb *srb; 115 struct srb *srb;
24 struct ddb_entry *ddb_entry; 116 struct ddb_entry *ddb_entry;
25 uint32_t residual; 117 uint32_t residual;
26 uint16_t sensebytecnt;
27 118
28 srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle)); 119 srb = qla4xxx_del_from_active_array(ha, le32_to_cpu(sts_entry->handle));
29 if (!srb) { 120 if (!srb) {
@@ -92,24 +183,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
92 break; 183 break;
93 184
94 /* Copy Sense Data into sense buffer. */ 185 /* Copy Sense Data into sense buffer. */
95 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 186 qla4xxx_copy_sense(ha, sts_entry, srb);
96
97 sensebytecnt = le16_to_cpu(sts_entry->senseDataByteCnt);
98 if (sensebytecnt == 0)
99 break;
100
101 memcpy(cmd->sense_buffer, sts_entry->senseData,
102 min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE));
103
104 DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, "
105 "ASC/ASCQ = %02x/%02x\n", ha->host_no,
106 cmd->device->channel, cmd->device->id,
107 cmd->device->lun, __func__,
108 sts_entry->senseData[2] & 0x0f,
109 sts_entry->senseData[12],
110 sts_entry->senseData[13]));
111
112 srb->flags |= SRB_GOT_SENSE;
113 break; 187 break;
114 188
115 case SCS_INCOMPLETE: 189 case SCS_INCOMPLETE:
@@ -176,23 +250,7 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
176 break; 250 break;
177 251
178 /* Copy Sense Data into sense buffer. */ 252 /* Copy Sense Data into sense buffer. */
179 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 253 qla4xxx_copy_sense(ha, sts_entry, srb);
180
181 sensebytecnt =
182 le16_to_cpu(sts_entry->senseDataByteCnt);
183 if (sensebytecnt == 0)
184 break;
185
186 memcpy(cmd->sense_buffer, sts_entry->senseData,
187 min_t(uint16_t, sensebytecnt, SCSI_SENSE_BUFFERSIZE));
188
189 DEBUG2(printk("scsi%ld:%d:%d:%d: %s: sense key = %x, "
190 "ASC/ASCQ = %02x/%02x\n", ha->host_no,
191 cmd->device->channel, cmd->device->id,
192 cmd->device->lun, __func__,
193 sts_entry->senseData[2] & 0x0f,
194 sts_entry->senseData[12],
195 sts_entry->senseData[13]));
196 } else { 254 } else {
197 /* 255 /*
198 * If RISC reports underrun and target does not 256 * If RISC reports underrun and target does not
@@ -268,9 +326,10 @@ static void qla4xxx_status_entry(struct scsi_qla_host *ha,
268 326
269status_entry_exit: 327status_entry_exit:
270 328
271 /* complete the request */ 329 /* complete the request, if not waiting for status_continuation pkt */
272 srb->cc_stat = sts_entry->completionStatus; 330 srb->cc_stat = sts_entry->completionStatus;
273 qla4xxx_srb_compl(ha, srb); 331 if (ha->status_srb == NULL)
332 qla4xxx_srb_compl(ha, srb);
274} 333}
275 334
276/** 335/**
@@ -305,10 +364,7 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha)
305 /* process entry */ 364 /* process entry */
306 switch (sts_entry->hdr.entryType) { 365 switch (sts_entry->hdr.entryType) {
307 case ET_STATUS: 366 case ET_STATUS:
308 /* 367 /* Common status */
309 * Common status - Single completion posted in single
310 * IOSB.
311 */
312 qla4xxx_status_entry(ha, sts_entry); 368 qla4xxx_status_entry(ha, sts_entry);
313 break; 369 break;
314 370
@@ -316,9 +372,8 @@ static void qla4xxx_process_response_queue(struct scsi_qla_host * ha)
316 break; 372 break;
317 373
318 case ET_STATUS_CONTINUATION: 374 case ET_STATUS_CONTINUATION:
319 /* Just throw away the status continuation entries */ 375 qla4xxx_status_cont_entry(ha,
320 DEBUG2(printk("scsi%ld: %s: Status Continuation entry " 376 (struct status_cont_entry *) sts_entry);
321 "- ignoring\n", ha->host_no, __func__));
322 break; 377 break;
323 378
324 case ET_COMMAND: 379 case ET_COMMAND:
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index 051b0f5e8c8..09d6d4b76f3 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -385,16 +385,6 @@ int qla4xxx_get_firmware_status(struct scsi_qla_host * ha)
385 mbox_sts[0])); 385 mbox_sts[0]));
386 return QLA_ERROR; 386 return QLA_ERROR;
387 } 387 }
388
389 /* High-water mark of IOCBs */
390 ha->iocb_hiwat = mbox_sts[2];
391 if (ha->iocb_hiwat > IOCB_HIWAT_CUSHION)
392 ha->iocb_hiwat -= IOCB_HIWAT_CUSHION;
393 else
394 dev_info(&ha->pdev->dev, "WARNING!!! You have less than %d "
395 "firmware IOCBs available (%d).\n",
396 IOCB_HIWAT_CUSHION, ha->iocb_hiwat);
397
398 return QLA_SUCCESS; 388 return QLA_SUCCESS;
399} 389}
400 390
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index ec9da6ce848..40e3cafb3a9 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -66,6 +66,7 @@ static int qla4xxx_sess_get_param(struct iscsi_cls_session *sess,
66static int qla4xxx_host_get_param(struct Scsi_Host *shost, 66static int qla4xxx_host_get_param(struct Scsi_Host *shost,
67 enum iscsi_host_param param, char *buf); 67 enum iscsi_host_param param, char *buf);
68static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session); 68static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session);
69static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc);
69 70
70/* 71/*
71 * SCSI host template entry points 72 * SCSI host template entry points
@@ -89,6 +90,7 @@ static struct scsi_host_template qla4xxx_driver_template = {
89 .eh_device_reset_handler = qla4xxx_eh_device_reset, 90 .eh_device_reset_handler = qla4xxx_eh_device_reset,
90 .eh_target_reset_handler = qla4xxx_eh_target_reset, 91 .eh_target_reset_handler = qla4xxx_eh_target_reset,
91 .eh_host_reset_handler = qla4xxx_eh_host_reset, 92 .eh_host_reset_handler = qla4xxx_eh_host_reset,
93 .eh_timed_out = qla4xxx_eh_cmd_timed_out,
92 94
93 .slave_configure = qla4xxx_slave_configure, 95 .slave_configure = qla4xxx_slave_configure,
94 .slave_alloc = qla4xxx_slave_alloc, 96 .slave_alloc = qla4xxx_slave_alloc,
@@ -124,6 +126,21 @@ static struct iscsi_transport qla4xxx_iscsi_transport = {
124 126
125static struct scsi_transport_template *qla4xxx_scsi_transport; 127static struct scsi_transport_template *qla4xxx_scsi_transport;
126 128
129static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc)
130{
131 struct iscsi_cls_session *session;
132 struct ddb_entry *ddb_entry;
133
134 session = starget_to_session(scsi_target(sc->device));
135 ddb_entry = session->dd_data;
136
137 /* if we are not logged in then the LLD is going to clean up the cmd */
138 if (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)
139 return BLK_EH_RESET_TIMER;
140 else
141 return BLK_EH_NOT_HANDLED;
142}
143
127static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session) 144static void qla4xxx_recovery_timedout(struct iscsi_cls_session *session)
128{ 145{
129 struct ddb_entry *ddb_entry = session->dd_data; 146 struct ddb_entry *ddb_entry = session->dd_data;
@@ -904,18 +921,17 @@ static int qla4xxx_recover_adapter(struct scsi_qla_host *ha,
904 /* Flush any pending ddb changed AENs */ 921 /* Flush any pending ddb changed AENs */
905 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 922 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
906 923
924 qla4xxx_flush_active_srbs(ha);
925
907 /* Reset the firmware. If successful, function 926 /* Reset the firmware. If successful, function
908 * returns with ISP interrupts enabled. 927 * returns with ISP interrupts enabled.
909 */ 928 */
910 if (status == QLA_SUCCESS) { 929 DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n",
911 DEBUG2(printk("scsi%ld: %s - Performing soft reset..\n", 930 ha->host_no, __func__));
912 ha->host_no, __func__)); 931 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS)
913 qla4xxx_flush_active_srbs(ha); 932 status = qla4xxx_soft_reset(ha);
914 if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) 933 else
915 status = qla4xxx_soft_reset(ha); 934 status = QLA_ERROR;
916 else
917 status = QLA_ERROR;
918 }
919 935
920 /* Flush any pending ddb changed AENs */ 936 /* Flush any pending ddb changed AENs */
921 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); 937 qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS);
@@ -1527,11 +1543,9 @@ static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd)
1527{ 1543{
1528 struct scsi_qla_host *ha = to_qla_host(cmd->device->host); 1544 struct scsi_qla_host *ha = to_qla_host(cmd->device->host);
1529 struct ddb_entry *ddb_entry = cmd->device->hostdata; 1545 struct ddb_entry *ddb_entry = cmd->device->hostdata;
1530 struct srb *sp;
1531 int ret = FAILED, stat; 1546 int ret = FAILED, stat;
1532 1547
1533 sp = (struct srb *) cmd->SCp.ptr; 1548 if (!ddb_entry)
1534 if (!sp || !ddb_entry)
1535 return ret; 1549 return ret;
1536 1550
1537 dev_info(&ha->pdev->dev, 1551 dev_info(&ha->pdev->dev,
@@ -1644,7 +1658,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd)
1644 ha = (struct scsi_qla_host *) cmd->device->host->hostdata; 1658 ha = (struct scsi_qla_host *) cmd->device->host->hostdata;
1645 1659
1646 dev_info(&ha->pdev->dev, 1660 dev_info(&ha->pdev->dev,
1647 "scsi(%ld:%d:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, 1661 "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no,
1648 cmd->device->channel, cmd->device->id, cmd->device->lun); 1662 cmd->device->channel, cmd->device->id, cmd->device->lun);
1649 1663
1650 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { 1664 if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) {
diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h
index ab984cb89ce..6980cb279c8 100644
--- a/drivers/scsi/qla4xxx/ql4_version.h
+++ b/drivers/scsi/qla4xxx/ql4_version.h
@@ -5,5 +5,5 @@
5 * See LICENSE.qla4xxx for copyright and licensing details. 5 * See LICENSE.qla4xxx for copyright and licensing details.
6 */ 6 */
7 7
8#define QLA4XXX_DRIVER_VERSION "5.01.00-k8" 8#define QLA4XXX_DRIVER_VERSION "5.01.00-k9"
9 9
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 5616cd780ff..b7b9fec67a9 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1840,6 +1840,18 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
1840 kfree(buffer); 1840 kfree(buffer);
1841} 1841}
1842 1842
1843static int sd_try_extended_inquiry(struct scsi_device *sdp)
1844{
1845 /*
1846 * Although VPD inquiries can go to SCSI-2 type devices,
1847 * some USB ones crash on receiving them, and the pages
1848 * we currently ask for are for SPC-3 and beyond
1849 */
1850 if (sdp->scsi_level > SCSI_SPC_2)
1851 return 1;
1852 return 0;
1853}
1854
1843/** 1855/**
1844 * sd_revalidate_disk - called the first time a new disk is seen, 1856 * sd_revalidate_disk - called the first time a new disk is seen,
1845 * performs disk spin up, read_capacity, etc. 1857 * performs disk spin up, read_capacity, etc.
@@ -1877,8 +1889,12 @@ static int sd_revalidate_disk(struct gendisk *disk)
1877 */ 1889 */
1878 if (sdkp->media_present) { 1890 if (sdkp->media_present) {
1879 sd_read_capacity(sdkp, buffer); 1891 sd_read_capacity(sdkp, buffer);
1880 sd_read_block_limits(sdkp); 1892
1881 sd_read_block_characteristics(sdkp); 1893 if (sd_try_extended_inquiry(sdp)) {
1894 sd_read_block_limits(sdkp);
1895 sd_read_block_characteristics(sdkp);
1896 }
1897
1882 sd_read_write_protect_flag(sdkp, buffer); 1898 sd_read_write_protect_flag(sdkp, buffer);
1883 sd_read_cache_type(sdkp, buffer); 1899 sd_read_cache_type(sdkp, buffer);
1884 sd_read_app_tag_own(sdkp, buffer); 1900 sd_read_app_tag_own(sdkp, buffer);
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-19 13:33:35 -0400