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authorAndreas Herrmann <aherrman@de.ibm.com>2005-09-13 15:47:52 -0400
committerJames Bottomley <jejb@mulgrave.(none)>2005-09-19 14:01:23 -0400
commit059c97d0434834d291eff94669ca2dd3eaac9d28 (patch)
tree70719559f65366c74eb82ee8c7c7a01a0d80aca9 /drivers/s390
parent3734d24b2e8d85796de70c13705cfb7cbb1d77df (diff)
[SCSI] zfcp: remove union zfcp_req_data, use unit refcount for FCP commands
o union zfcp_req_data removed o increment unit refcount when processing FCP commands (This fixes a theoretical race: When all scsi commands of a unit are aborted and the scsi_device is removed then the unit could be removed before all fsf_requests of that unit are completely processed.) Signed-off-by: Andreas Herrmann <aherrman@de.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/scsi/zfcp_aux.c8
-rw-r--r--drivers/s390/scsi/zfcp_def.h69
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c101
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c178
4 files changed, 81 insertions, 275 deletions
diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index bfe3ba73bc0f..17f9989238f8 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -141,7 +141,7 @@ zfcp_cmd_dbf_event_fsf(const char *text, struct zfcp_fsf_req *fsf_req,
141 141
142 spin_lock_irqsave(&adapter->dbf_lock, flags); 142 spin_lock_irqsave(&adapter->dbf_lock, flags);
143 if (zfcp_fsf_req_is_scsi_cmnd(fsf_req)) { 143 if (zfcp_fsf_req_is_scsi_cmnd(fsf_req)) {
144 scsi_cmnd = fsf_req->data.send_fcp_command_task.scsi_cmnd; 144 scsi_cmnd = (struct scsi_cmnd*) fsf_req->data;
145 debug_text_event(adapter->cmd_dbf, level, "fsferror"); 145 debug_text_event(adapter->cmd_dbf, level, "fsferror");
146 debug_text_event(adapter->cmd_dbf, level, text); 146 debug_text_event(adapter->cmd_dbf, level, text);
147 debug_event(adapter->cmd_dbf, level, &fsf_req, 147 debug_event(adapter->cmd_dbf, level, &fsf_req,
@@ -167,14 +167,12 @@ void
167zfcp_cmd_dbf_event_scsi(const char *text, struct scsi_cmnd *scsi_cmnd) 167zfcp_cmd_dbf_event_scsi(const char *text, struct scsi_cmnd *scsi_cmnd)
168{ 168{
169 struct zfcp_adapter *adapter; 169 struct zfcp_adapter *adapter;
170 union zfcp_req_data *req_data;
171 struct zfcp_fsf_req *fsf_req; 170 struct zfcp_fsf_req *fsf_req;
172 int level = ((host_byte(scsi_cmnd->result) != 0) ? 1 : 5); 171 int level = ((host_byte(scsi_cmnd->result) != 0) ? 1 : 5);
173 unsigned long flags; 172 unsigned long flags;
174 173
175 adapter = (struct zfcp_adapter *) scsi_cmnd->device->host->hostdata[0]; 174 adapter = (struct zfcp_adapter *) scsi_cmnd->device->host->hostdata[0];
176 req_data = (union zfcp_req_data *) scsi_cmnd->host_scribble; 175 fsf_req = (struct zfcp_fsf_req *) scsi_cmnd->host_scribble;
177 fsf_req = (req_data ? req_data->send_fcp_command_task.fsf_req : NULL);
178 spin_lock_irqsave(&adapter->dbf_lock, flags); 176 spin_lock_irqsave(&adapter->dbf_lock, flags);
179 debug_text_event(adapter->cmd_dbf, level, "hostbyte"); 177 debug_text_event(adapter->cmd_dbf, level, "hostbyte");
180 debug_text_event(adapter->cmd_dbf, level, text); 178 debug_text_event(adapter->cmd_dbf, level, text);
@@ -1609,7 +1607,7 @@ zfcp_fsf_incoming_els(struct zfcp_fsf_req *fsf_req)
1609 u32 els_type; 1607 u32 els_type;
1610 struct zfcp_adapter *adapter; 1608 struct zfcp_adapter *adapter;
1611 1609
1612 status_buffer = fsf_req->data.status_read.buffer; 1610 status_buffer = (struct fsf_status_read_buffer *) fsf_req->data;
1613 els_type = *(u32 *) (status_buffer->payload); 1611 els_type = *(u32 *) (status_buffer->payload);
1614 adapter = fsf_req->adapter; 1612 adapter = fsf_req->adapter;
1615 1613
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 455e902533a9..9160e68c4a21 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -635,45 +635,6 @@ struct zfcp_adapter_mempool {
635 mempool_t *data_gid_pn; 635 mempool_t *data_gid_pn;
636}; 636};
637 637
638struct zfcp_exchange_config_data{
639};
640
641struct zfcp_open_port {
642 struct zfcp_port *port;
643};
644
645struct zfcp_close_port {
646 struct zfcp_port *port;
647};
648
649struct zfcp_open_unit {
650 struct zfcp_unit *unit;
651};
652
653struct zfcp_close_unit {
654 struct zfcp_unit *unit;
655};
656
657struct zfcp_close_physical_port {
658 struct zfcp_port *port;
659};
660
661struct zfcp_send_fcp_command_task {
662 struct zfcp_fsf_req *fsf_req;
663 struct zfcp_unit *unit;
664 struct scsi_cmnd *scsi_cmnd;
665 unsigned long start_jiffies;
666};
667
668struct zfcp_send_fcp_command_task_management {
669 struct zfcp_unit *unit;
670};
671
672struct zfcp_abort_fcp_command {
673 struct zfcp_fsf_req *fsf_req;
674 struct zfcp_unit *unit;
675};
676
677/* 638/*
678 * header for CT_IU 639 * header for CT_IU
679 */ 640 */
@@ -781,33 +742,6 @@ struct zfcp_send_els {
781 int status; 742 int status;
782}; 743};
783 744
784struct zfcp_status_read {
785 struct fsf_status_read_buffer *buffer;
786};
787
788struct zfcp_fsf_done {
789 struct completion *complete;
790 int status;
791};
792
793/* request specific data */
794union zfcp_req_data {
795 struct zfcp_exchange_config_data exchange_config_data;
796 struct zfcp_open_port open_port;
797 struct zfcp_close_port close_port;
798 struct zfcp_open_unit open_unit;
799 struct zfcp_close_unit close_unit;
800 struct zfcp_close_physical_port close_physical_port;
801 struct zfcp_send_fcp_command_task send_fcp_command_task;
802 struct zfcp_send_fcp_command_task_management
803 send_fcp_command_task_management;
804 struct zfcp_abort_fcp_command abort_fcp_command;
805 struct zfcp_send_ct *send_ct;
806 struct zfcp_send_els *send_els;
807 struct zfcp_status_read status_read;
808 struct fsf_qtcb_bottom_port *port_data;
809};
810
811struct zfcp_qdio_queue { 745struct zfcp_qdio_queue {
812 struct qdio_buffer *buffer[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */ 746 struct qdio_buffer *buffer[QDIO_MAX_BUFFERS_PER_Q]; /* SBALs */
813 u8 free_index; /* index of next free bfr 747 u8 free_index; /* index of next free bfr
@@ -963,11 +897,12 @@ struct zfcp_fsf_req {
963 u32 fsf_command; /* FSF Command copy */ 897 u32 fsf_command; /* FSF Command copy */
964 struct fsf_qtcb *qtcb; /* address of associated QTCB */ 898 struct fsf_qtcb *qtcb; /* address of associated QTCB */
965 u32 seq_no; /* Sequence number of request */ 899 u32 seq_no; /* Sequence number of request */
966 union zfcp_req_data data; /* Info fields of request */ 900 unsigned long data; /* private data of request */
967 struct zfcp_erp_action *erp_action; /* used if this request is 901 struct zfcp_erp_action *erp_action; /* used if this request is
968 issued on behalf of erp */ 902 issued on behalf of erp */
969 mempool_t *pool; /* used if request was alloacted 903 mempool_t *pool; /* used if request was alloacted
970 from emergency pool */ 904 from emergency pool */
905 struct zfcp_unit *unit;
971}; 906};
972 907
973typedef void zfcp_fsf_req_handler_t(struct zfcp_fsf_req*); 908typedef void zfcp_fsf_req_handler_t(struct zfcp_fsf_req*);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index c007b6424e74..64e2c3480189 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -821,7 +821,7 @@ zfcp_fsf_status_read(struct zfcp_adapter *adapter, int req_flags)
821 goto failed_buf; 821 goto failed_buf;
822 } 822 }
823 memset(status_buffer, 0, sizeof (struct fsf_status_read_buffer)); 823 memset(status_buffer, 0, sizeof (struct fsf_status_read_buffer));
824 fsf_req->data.status_read.buffer = status_buffer; 824 fsf_req->data = (unsigned long) status_buffer;
825 825
826 /* insert pointer to respective buffer */ 826 /* insert pointer to respective buffer */
827 sbale = zfcp_qdio_sbale_curr(fsf_req); 827 sbale = zfcp_qdio_sbale_curr(fsf_req);
@@ -859,7 +859,7 @@ zfcp_fsf_status_read_port_closed(struct zfcp_fsf_req *fsf_req)
859 struct zfcp_port *port; 859 struct zfcp_port *port;
860 unsigned long flags; 860 unsigned long flags;
861 861
862 status_buffer = fsf_req->data.status_read.buffer; 862 status_buffer = (struct fsf_status_read_buffer *) fsf_req->data;
863 adapter = fsf_req->adapter; 863 adapter = fsf_req->adapter;
864 864
865 read_lock_irqsave(&zfcp_data.config_lock, flags); 865 read_lock_irqsave(&zfcp_data.config_lock, flags);
@@ -918,7 +918,7 @@ zfcp_fsf_status_read_handler(struct zfcp_fsf_req *fsf_req)
918 int retval = 0; 918 int retval = 0;
919 struct zfcp_adapter *adapter = fsf_req->adapter; 919 struct zfcp_adapter *adapter = fsf_req->adapter;
920 struct fsf_status_read_buffer *status_buffer = 920 struct fsf_status_read_buffer *status_buffer =
921 fsf_req->data.status_read.buffer; 921 (struct fsf_status_read_buffer *) fsf_req->data;
922 922
923 if (fsf_req->status & ZFCP_STATUS_FSFREQ_DISMISSED) { 923 if (fsf_req->status & ZFCP_STATUS_FSFREQ_DISMISSED) {
924 mempool_free(status_buffer, adapter->pool.data_status_read); 924 mempool_free(status_buffer, adapter->pool.data_status_read);
@@ -1093,7 +1093,7 @@ zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
1093 sbale[0].flags |= SBAL_FLAGS0_TYPE_READ; 1093 sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
1094 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY; 1094 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
1095 1095
1096 fsf_req->data.abort_fcp_command.unit = unit; 1096 fsf_req->data = (unsigned long) unit;
1097 1097
1098 /* set handles of unit and its parent port in QTCB */ 1098 /* set handles of unit and its parent port in QTCB */
1099 fsf_req->qtcb->header.lun_handle = unit->handle; 1099 fsf_req->qtcb->header.lun_handle = unit->handle;
@@ -1139,7 +1139,7 @@ static int
1139zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req) 1139zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
1140{ 1140{
1141 int retval = -EINVAL; 1141 int retval = -EINVAL;
1142 struct zfcp_unit *unit = new_fsf_req->data.abort_fcp_command.unit; 1142 struct zfcp_unit *unit;
1143 unsigned char status_qual = 1143 unsigned char status_qual =
1144 new_fsf_req->qtcb->header.fsf_status_qual.word[0]; 1144 new_fsf_req->qtcb->header.fsf_status_qual.word[0];
1145 1145
@@ -1150,6 +1150,8 @@ zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *new_fsf_req)
1150 goto skip_fsfstatus; 1150 goto skip_fsfstatus;
1151 } 1151 }
1152 1152
1153 unit = (struct zfcp_unit *) new_fsf_req->data;
1154
1153 /* evaluate FSF status in QTCB */ 1155 /* evaluate FSF status in QTCB */
1154 switch (new_fsf_req->qtcb->header.fsf_status) { 1156 switch (new_fsf_req->qtcb->header.fsf_status) {
1155 1157
@@ -1414,7 +1416,7 @@ zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool,
1414 fsf_req->qtcb->header.port_handle = port->handle; 1416 fsf_req->qtcb->header.port_handle = port->handle;
1415 fsf_req->qtcb->bottom.support.service_class = adapter->fc_service_class; 1417 fsf_req->qtcb->bottom.support.service_class = adapter->fc_service_class;
1416 fsf_req->qtcb->bottom.support.timeout = ct->timeout; 1418 fsf_req->qtcb->bottom.support.timeout = ct->timeout;
1417 fsf_req->data.send_ct = ct; 1419 fsf_req->data = (unsigned long) ct;
1418 1420
1419 /* start QDIO request for this FSF request */ 1421 /* start QDIO request for this FSF request */
1420 ret = zfcp_fsf_req_send(fsf_req, ct->timer); 1422 ret = zfcp_fsf_req_send(fsf_req, ct->timer);
@@ -1445,10 +1447,10 @@ zfcp_fsf_send_ct(struct zfcp_send_ct *ct, mempool_t *pool,
1445 * zfcp_fsf_send_ct_handler - handler for Generic Service requests 1447 * zfcp_fsf_send_ct_handler - handler for Generic Service requests
1446 * @fsf_req: pointer to struct zfcp_fsf_req 1448 * @fsf_req: pointer to struct zfcp_fsf_req
1447 * 1449 *
1448 * Data specific for the Generic Service request is passed by 1450 * Data specific for the Generic Service request is passed using
1449 * fsf_req->data.send_ct 1451 * fsf_req->data. There we find the pointer to struct zfcp_send_ct.
1450 * Usually a specific handler for the request is called via 1452 * Usually a specific handler for the CT request is called which is
1451 * fsf_req->data.send_ct->handler at end of this function. 1453 * found in this structure.
1452 */ 1454 */
1453static int 1455static int
1454zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req) 1456zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
@@ -1462,7 +1464,7 @@ zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *fsf_req)
1462 u16 subtable, rule, counter; 1464 u16 subtable, rule, counter;
1463 1465
1464 adapter = fsf_req->adapter; 1466 adapter = fsf_req->adapter;
1465 send_ct = fsf_req->data.send_ct; 1467 send_ct = (struct zfcp_send_ct *) fsf_req->data;
1466 port = send_ct->port; 1468 port = send_ct->port;
1467 header = &fsf_req->qtcb->header; 1469 header = &fsf_req->qtcb->header;
1468 bottom = &fsf_req->qtcb->bottom.support; 1470 bottom = &fsf_req->qtcb->bottom.support;
@@ -1714,7 +1716,7 @@ zfcp_fsf_send_els(struct zfcp_send_els *els)
1714 fsf_req->qtcb->bottom.support.d_id = d_id; 1716 fsf_req->qtcb->bottom.support.d_id = d_id;
1715 fsf_req->qtcb->bottom.support.service_class = adapter->fc_service_class; 1717 fsf_req->qtcb->bottom.support.service_class = adapter->fc_service_class;
1716 fsf_req->qtcb->bottom.support.timeout = ZFCP_ELS_TIMEOUT; 1718 fsf_req->qtcb->bottom.support.timeout = ZFCP_ELS_TIMEOUT;
1717 fsf_req->data.send_els = els; 1719 fsf_req->data = (unsigned long) els;
1718 1720
1719 sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0); 1721 sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
1720 1722
@@ -1746,10 +1748,10 @@ zfcp_fsf_send_els(struct zfcp_send_els *els)
1746 * zfcp_fsf_send_els_handler - handler for ELS commands 1748 * zfcp_fsf_send_els_handler - handler for ELS commands
1747 * @fsf_req: pointer to struct zfcp_fsf_req 1749 * @fsf_req: pointer to struct zfcp_fsf_req
1748 * 1750 *
1749 * Data specific for the ELS command is passed by 1751 * Data specific for the ELS command is passed using
1750 * fsf_req->data.send_els 1752 * fsf_req->data. There we find the pointer to struct zfcp_send_els.
1751 * Usually a specific handler for the command is called via 1753 * Usually a specific handler for the ELS command is called which is
1752 * fsf_req->data.send_els->handler at end of this function. 1754 * found in this structure.
1753 */ 1755 */
1754static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req) 1756static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req)
1755{ 1757{
@@ -1762,7 +1764,7 @@ static int zfcp_fsf_send_els_handler(struct zfcp_fsf_req *fsf_req)
1762 int retval = -EINVAL; 1764 int retval = -EINVAL;
1763 u16 subtable, rule, counter; 1765 u16 subtable, rule, counter;
1764 1766
1765 send_els = fsf_req->data.send_els; 1767 send_els = (struct zfcp_send_els *) fsf_req->data;
1766 adapter = send_els->adapter; 1768 adapter = send_els->adapter;
1767 port = send_els->port; 1769 port = send_els->port;
1768 d_id = send_els->d_id; 1770 d_id = send_els->d_id;
@@ -2211,12 +2213,12 @@ zfcp_fsf_exchange_port_data(struct zfcp_adapter *adapter,
2211 goto out; 2213 goto out;
2212 } 2214 }
2213 2215
2216 fsf_req->data = (unsigned long) data;
2217
2214 sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0); 2218 sbale = zfcp_qdio_sbale_req(fsf_req, fsf_req->sbal_curr, 0);
2215 sbale[0].flags |= SBAL_FLAGS0_TYPE_READ; 2219 sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
2216 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY; 2220 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
2217 2221
2218 fsf_req->data.port_data = data;
2219
2220 init_timer(timer); 2222 init_timer(timer);
2221 timer->function = zfcp_fsf_request_timeout_handler; 2223 timer->function = zfcp_fsf_request_timeout_handler;
2222 timer->data = (unsigned long) adapter; 2224 timer->data = (unsigned long) adapter;
@@ -2257,7 +2259,9 @@ static void
2257zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *fsf_req) 2259zfcp_fsf_exchange_port_data_handler(struct zfcp_fsf_req *fsf_req)
2258{ 2260{
2259 struct fsf_qtcb_bottom_port *bottom; 2261 struct fsf_qtcb_bottom_port *bottom;
2260 struct fsf_qtcb_bottom_port *data = fsf_req->data.port_data; 2262 struct fsf_qtcb_bottom_port *data;
2263
2264 data = (struct fsf_qtcb_bottom_port*) fsf_req->data;
2261 2265
2262 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) 2266 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR)
2263 return; 2267 return;
@@ -2312,7 +2316,7 @@ zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
2312 2316
2313 erp_action->fsf_req->qtcb->bottom.support.d_id = erp_action->port->d_id; 2317 erp_action->fsf_req->qtcb->bottom.support.d_id = erp_action->port->d_id;
2314 atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->port->status); 2318 atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->port->status);
2315 erp_action->fsf_req->data.open_port.port = erp_action->port; 2319 erp_action->fsf_req->data = (unsigned long) erp_action->port;
2316 erp_action->fsf_req->erp_action = erp_action; 2320 erp_action->fsf_req->erp_action = erp_action;
2317 2321
2318 /* start QDIO request for this FSF request */ 2322 /* start QDIO request for this FSF request */
@@ -2353,7 +2357,7 @@ zfcp_fsf_open_port_handler(struct zfcp_fsf_req *fsf_req)
2353 struct fsf_qtcb_header *header; 2357 struct fsf_qtcb_header *header;
2354 u16 subtable, rule, counter; 2358 u16 subtable, rule, counter;
2355 2359
2356 port = fsf_req->data.open_port.port; 2360 port = (struct zfcp_port *) fsf_req->data;
2357 header = &fsf_req->qtcb->header; 2361 header = &fsf_req->qtcb->header;
2358 2362
2359 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) { 2363 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) {
@@ -2566,7 +2570,7 @@ zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
2566 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY; 2570 sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
2567 2571
2568 atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->port->status); 2572 atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->port->status);
2569 erp_action->fsf_req->data.close_port.port = erp_action->port; 2573 erp_action->fsf_req->data = (unsigned long) erp_action->port;
2570 erp_action->fsf_req->erp_action = erp_action; 2574 erp_action->fsf_req->erp_action = erp_action;
2571 erp_action->fsf_req->qtcb->header.port_handle = 2575 erp_action->fsf_req->qtcb->header.port_handle =
2572 erp_action->port->handle; 2576 erp_action->port->handle;
@@ -2606,7 +2610,7 @@ zfcp_fsf_close_port_handler(struct zfcp_fsf_req *fsf_req)
2606 int retval = -EINVAL; 2610 int retval = -EINVAL;
2607 struct zfcp_port *port; 2611 struct zfcp_port *port;
2608 2612
2609 port = fsf_req->data.close_port.port; 2613 port = (struct zfcp_port *) fsf_req->data;
2610 2614
2611 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) { 2615 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) {
2612 /* don't change port status in our bookkeeping */ 2616 /* don't change port status in our bookkeeping */
@@ -2703,7 +2707,7 @@ zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
2703 atomic_set_mask(ZFCP_STATUS_PORT_PHYS_CLOSING, 2707 atomic_set_mask(ZFCP_STATUS_PORT_PHYS_CLOSING,
2704 &erp_action->port->status); 2708 &erp_action->port->status);
2705 /* save a pointer to this port */ 2709 /* save a pointer to this port */
2706 erp_action->fsf_req->data.close_physical_port.port = erp_action->port; 2710 erp_action->fsf_req->data = (unsigned long) erp_action->port;
2707 /* port to be closeed */ 2711 /* port to be closeed */
2708 erp_action->fsf_req->qtcb->header.port_handle = 2712 erp_action->fsf_req->qtcb->header.port_handle =
2709 erp_action->port->handle; 2713 erp_action->port->handle;
@@ -2747,7 +2751,7 @@ zfcp_fsf_close_physical_port_handler(struct zfcp_fsf_req *fsf_req)
2747 struct fsf_qtcb_header *header; 2751 struct fsf_qtcb_header *header;
2748 u16 subtable, rule, counter; 2752 u16 subtable, rule, counter;
2749 2753
2750 port = fsf_req->data.close_physical_port.port; 2754 port = (struct zfcp_port *) fsf_req->data;
2751 header = &fsf_req->qtcb->header; 2755 header = &fsf_req->qtcb->header;
2752 2756
2753 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) { 2757 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) {
@@ -2911,7 +2915,7 @@ zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
2911 erp_action->fsf_req->qtcb->bottom.support.option = 2915 erp_action->fsf_req->qtcb->bottom.support.option =
2912 FSF_OPEN_LUN_SUPPRESS_BOXING; 2916 FSF_OPEN_LUN_SUPPRESS_BOXING;
2913 atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->unit->status); 2917 atomic_set_mask(ZFCP_STATUS_COMMON_OPENING, &erp_action->unit->status);
2914 erp_action->fsf_req->data.open_unit.unit = erp_action->unit; 2918 erp_action->fsf_req->data = (unsigned long) erp_action->unit;
2915 erp_action->fsf_req->erp_action = erp_action; 2919 erp_action->fsf_req->erp_action = erp_action;
2916 2920
2917 /* start QDIO request for this FSF request */ 2921 /* start QDIO request for this FSF request */
@@ -2957,7 +2961,7 @@ zfcp_fsf_open_unit_handler(struct zfcp_fsf_req *fsf_req)
2957 u16 subtable, rule, counter; 2961 u16 subtable, rule, counter;
2958 u32 allowed, exclusive, readwrite; 2962 u32 allowed, exclusive, readwrite;
2959 2963
2960 unit = fsf_req->data.open_unit.unit; 2964 unit = (struct zfcp_unit *) fsf_req->data;
2961 2965
2962 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) { 2966 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) {
2963 /* don't change unit status in our bookkeeping */ 2967 /* don't change unit status in our bookkeeping */
@@ -3242,7 +3246,7 @@ zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
3242 erp_action->port->handle; 3246 erp_action->port->handle;
3243 erp_action->fsf_req->qtcb->header.lun_handle = erp_action->unit->handle; 3247 erp_action->fsf_req->qtcb->header.lun_handle = erp_action->unit->handle;
3244 atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->unit->status); 3248 atomic_set_mask(ZFCP_STATUS_COMMON_CLOSING, &erp_action->unit->status);
3245 erp_action->fsf_req->data.close_unit.unit = erp_action->unit; 3249 erp_action->fsf_req->data = (unsigned long) erp_action->unit;
3246 erp_action->fsf_req->erp_action = erp_action; 3250 erp_action->fsf_req->erp_action = erp_action;
3247 3251
3248 /* start QDIO request for this FSF request */ 3252 /* start QDIO request for this FSF request */
@@ -3281,7 +3285,7 @@ zfcp_fsf_close_unit_handler(struct zfcp_fsf_req *fsf_req)
3281 int retval = -EINVAL; 3285 int retval = -EINVAL;
3282 struct zfcp_unit *unit; 3286 struct zfcp_unit *unit;
3283 3287
3284 unit = fsf_req->data.close_unit.unit; /* restore unit */ 3288 unit = (struct zfcp_unit *) fsf_req->data;
3285 3289
3286 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) { 3290 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) {
3287 /* don't change unit status in our bookkeeping */ 3291 /* don't change unit status in our bookkeeping */
@@ -3436,21 +3440,14 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
3436 goto failed_req_create; 3440 goto failed_req_create;
3437 } 3441 }
3438 3442
3439 /* 3443 zfcp_unit_get(unit);
3440 * associate FSF request with SCSI request 3444 fsf_req->unit = unit;
3441 * (need this for look up on abort)
3442 */
3443 fsf_req->data.send_fcp_command_task.fsf_req = fsf_req;
3444 scsi_cmnd->host_scribble = (char *) &(fsf_req->data);
3445 3445
3446 /* 3446 /* associate FSF request with SCSI request (for look up on abort) */
3447 * associate SCSI command with FSF request 3447 scsi_cmnd->host_scribble = (char *) fsf_req;
3448 * (need this for look up on normal command completion) 3448
3449 */ 3449 /* associate SCSI command with FSF request */
3450 fsf_req->data.send_fcp_command_task.scsi_cmnd = scsi_cmnd; 3450 fsf_req->data = (unsigned long) scsi_cmnd;
3451 fsf_req->data.send_fcp_command_task.start_jiffies = jiffies;
3452 fsf_req->data.send_fcp_command_task.unit = unit;
3453 ZFCP_LOG_DEBUG("unit=%p, fcp_lun=0x%016Lx\n", unit, unit->fcp_lun);
3454 3451
3455 /* set handles of unit and its parent port in QTCB */ 3452 /* set handles of unit and its parent port in QTCB */
3456 fsf_req->qtcb->header.lun_handle = unit->handle; 3453 fsf_req->qtcb->header.lun_handle = unit->handle;
@@ -3584,6 +3581,7 @@ zfcp_fsf_send_fcp_command_task(struct zfcp_adapter *adapter,
3584 send_failed: 3581 send_failed:
3585 no_fit: 3582 no_fit:
3586 failed_scsi_cmnd: 3583 failed_scsi_cmnd:
3584 zfcp_unit_put(unit);
3587 zfcp_fsf_req_free(fsf_req); 3585 zfcp_fsf_req_free(fsf_req);
3588 fsf_req = NULL; 3586 fsf_req = NULL;
3589 scsi_cmnd->host_scribble = NULL; 3587 scsi_cmnd->host_scribble = NULL;
@@ -3640,7 +3638,7 @@ zfcp_fsf_send_fcp_command_task_management(struct zfcp_adapter *adapter,
3640 * hold a pointer to the unit being target of this 3638 * hold a pointer to the unit being target of this
3641 * task management request 3639 * task management request
3642 */ 3640 */
3643 fsf_req->data.send_fcp_command_task_management.unit = unit; 3641 fsf_req->data = (unsigned long) unit;
3644 3642
3645 /* set FSF related fields in QTCB */ 3643 /* set FSF related fields in QTCB */
3646 fsf_req->qtcb->header.lun_handle = unit->handle; 3644 fsf_req->qtcb->header.lun_handle = unit->handle;
@@ -3706,9 +3704,9 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
3706 header = &fsf_req->qtcb->header; 3704 header = &fsf_req->qtcb->header;
3707 3705
3708 if (unlikely(fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT)) 3706 if (unlikely(fsf_req->status & ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT))
3709 unit = fsf_req->data.send_fcp_command_task_management.unit; 3707 unit = (struct zfcp_unit *) fsf_req->data;
3710 else 3708 else
3711 unit = fsf_req->data.send_fcp_command_task.unit; 3709 unit = fsf_req->unit;
3712 3710
3713 if (unlikely(fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR)) { 3711 if (unlikely(fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR)) {
3714 /* go directly to calls of special handlers */ 3712 /* go directly to calls of special handlers */
@@ -3947,6 +3945,8 @@ zfcp_fsf_send_fcp_command_handler(struct zfcp_fsf_req *fsf_req)
3947 zfcp_fsf_send_fcp_command_task_management_handler(fsf_req); 3945 zfcp_fsf_send_fcp_command_task_management_handler(fsf_req);
3948 } else { 3946 } else {
3949 retval = zfcp_fsf_send_fcp_command_task_handler(fsf_req); 3947 retval = zfcp_fsf_send_fcp_command_task_handler(fsf_req);
3948 fsf_req->unit = NULL;
3949 zfcp_unit_put(unit);
3950 } 3950 }
3951 return retval; 3951 return retval;
3952} 3952}
@@ -3970,10 +3970,10 @@ zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *fsf_req)
3970 u32 sns_len; 3970 u32 sns_len;
3971 char *fcp_rsp_info = zfcp_get_fcp_rsp_info_ptr(fcp_rsp_iu); 3971 char *fcp_rsp_info = zfcp_get_fcp_rsp_info_ptr(fcp_rsp_iu);
3972 unsigned long flags; 3972 unsigned long flags;
3973 struct zfcp_unit *unit = fsf_req->data.send_fcp_command_task.unit; 3973 struct zfcp_unit *unit = fsf_req->unit;
3974 3974
3975 read_lock_irqsave(&fsf_req->adapter->abort_lock, flags); 3975 read_lock_irqsave(&fsf_req->adapter->abort_lock, flags);
3976 scpnt = fsf_req->data.send_fcp_command_task.scsi_cmnd; 3976 scpnt = (struct scsi_cmnd *) fsf_req->data;
3977 if (unlikely(!scpnt)) { 3977 if (unlikely(!scpnt)) {
3978 ZFCP_LOG_DEBUG 3978 ZFCP_LOG_DEBUG
3979 ("Command with fsf_req %p is not associated to " 3979 ("Command with fsf_req %p is not associated to "
@@ -4198,8 +4198,7 @@ zfcp_fsf_send_fcp_command_task_management_handler(struct zfcp_fsf_req *fsf_req)
4198 struct fcp_rsp_iu *fcp_rsp_iu = (struct fcp_rsp_iu *) 4198 struct fcp_rsp_iu *fcp_rsp_iu = (struct fcp_rsp_iu *)
4199 &(fsf_req->qtcb->bottom.io.fcp_rsp); 4199 &(fsf_req->qtcb->bottom.io.fcp_rsp);
4200 char *fcp_rsp_info = zfcp_get_fcp_rsp_info_ptr(fcp_rsp_iu); 4200 char *fcp_rsp_info = zfcp_get_fcp_rsp_info_ptr(fcp_rsp_iu);
4201 struct zfcp_unit *unit = 4201 struct zfcp_unit *unit = (struct zfcp_unit *) fsf_req->data;
4202 fsf_req->data.send_fcp_command_task_management.unit;
4203 4202
4204 del_timer(&fsf_req->adapter->scsi_er_timer); 4203 del_timer(&fsf_req->adapter->scsi_er_timer);
4205 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) { 4204 if (fsf_req->status & ZFCP_STATUS_FSFREQ_ERROR) {
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 31a76065cf28..fffd12399010 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -414,67 +414,37 @@ zfcp_port_lookup(struct zfcp_adapter *adapter, int channel, scsi_id_t id)
414 return (struct zfcp_port *) NULL; 414 return (struct zfcp_port *) NULL;
415} 415}
416 416
417/* 417/**
418 * function: zfcp_scsi_eh_abort_handler 418 * zfcp_scsi_eh_abort_handler - abort the specified SCSI command
419 * 419 * @scpnt: pointer to scsi_cmnd to be aborted
420 * purpose: tries to abort the specified (timed out) SCSI command 420 * Return: SUCCESS - command has been aborted and cleaned up in internal
421 * 421 * bookkeeping, SCSI stack won't be called for aborted command
422 * note: We do not need to care for a SCSI command which completes 422 * FAILED - otherwise
423 * normally but late during this abort routine runs.
424 * We are allowed to return late commands to the SCSI stack.
425 * It tracks the state of commands and will handle late commands.
426 * (Usually, the normal completion of late commands is ignored with
427 * respect to the running abort operation. Grep for 'done_late'
428 * in the SCSI stacks sources.)
429 * 423 *
430 * returns: SUCCESS - command has been aborted and cleaned up in internal 424 * We do not need to care for a SCSI command which completes normally
431 * bookkeeping, 425 * but late during this abort routine runs. We are allowed to return
432 * SCSI stack won't be called for aborted command 426 * late commands to the SCSI stack. It tracks the state of commands and
433 * FAILED - otherwise 427 * will handle late commands. (Usually, the normal completion of late
428 * commands is ignored with respect to the running abort operation.)
434 */ 429 */
435int 430int
436__zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt) 431zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
437{ 432{
433 struct Scsi_Host *scsi_host;
434 struct zfcp_adapter *adapter;
435 struct zfcp_unit *unit;
438 int retval = SUCCESS; 436 int retval = SUCCESS;
439 struct zfcp_fsf_req *new_fsf_req, *old_fsf_req; 437 struct zfcp_fsf_req *new_fsf_req, *old_fsf_req;
440 struct zfcp_adapter *adapter = (struct zfcp_adapter *) scpnt->device->host->hostdata[0];
441 struct zfcp_unit *unit = (struct zfcp_unit *) scpnt->device->hostdata;
442 struct zfcp_port *port = unit->port;
443 struct Scsi_Host *scsi_host = scpnt->device->host;
444 union zfcp_req_data *req_data = NULL;
445 unsigned long flags; 438 unsigned long flags;
446 u32 status = 0; 439
447 440 scsi_host = scpnt->device->host;
448 /* the components of a abort_dbf record (fixed size record) */ 441 adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
449 u64 dbf_scsi_cmnd = (unsigned long) scpnt; 442 unit = (struct zfcp_unit *) scpnt->device->hostdata;
450 char dbf_opcode[ZFCP_ABORT_DBF_LENGTH];
451 wwn_t dbf_wwn = port->wwpn;
452 fcp_lun_t dbf_fcp_lun = unit->fcp_lun;
453 u64 dbf_retries = scpnt->retries;
454 u64 dbf_allowed = scpnt->allowed;
455 u64 dbf_timeout = 0;
456 u64 dbf_fsf_req = 0;
457 u64 dbf_fsf_status = 0;
458 u64 dbf_fsf_qual[2] = { 0, 0 };
459 char dbf_result[ZFCP_ABORT_DBF_LENGTH] = "##undef";
460
461 memset(dbf_opcode, 0, ZFCP_ABORT_DBF_LENGTH);
462 memcpy(dbf_opcode,
463 scpnt->cmnd,
464 min(scpnt->cmd_len, (unsigned char) ZFCP_ABORT_DBF_LENGTH));
465 443
466 ZFCP_LOG_INFO("aborting scsi_cmnd=%p on adapter %s\n", 444 ZFCP_LOG_INFO("aborting scsi_cmnd=%p on adapter %s\n",
467 scpnt, zfcp_get_busid_by_adapter(adapter)); 445 scpnt, zfcp_get_busid_by_adapter(adapter));
468 446
469 spin_unlock_irq(scsi_host->host_lock); 447 /* avoid race condition between late normal completion and abort */
470
471 /*
472 * Race condition between normal (late) completion and abort has
473 * to be avoided.
474 * The entirity of all accesses to scsi_req have to be atomic.
475 * scsi_req is usually part of the fsf_req and thus we block the
476 * release of fsf_req as long as we need to access scsi_req.
477 */
478 write_lock_irqsave(&adapter->abort_lock, flags); 448 write_lock_irqsave(&adapter->abort_lock, flags);
479 449
480 /* 450 /*
@@ -484,144 +454,48 @@ __zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
484 * this routine returns. (scpnt is parameter passed to this routine 454 * this routine returns. (scpnt is parameter passed to this routine
485 * and must not disappear during abort even on late completion.) 455 * and must not disappear during abort even on late completion.)
486 */ 456 */
487 req_data = (union zfcp_req_data *) scpnt->host_scribble; 457 old_fsf_req = (struct zfcp_fsf_req *) scpnt->host_scribble;
488 /* DEBUG */
489 ZFCP_LOG_DEBUG("req_data=%p\n", req_data);
490 if (!req_data) {
491 ZFCP_LOG_DEBUG("late command completion overtook abort\n");
492 /*
493 * That's it.
494 * Do not initiate abort but return SUCCESS.
495 */
496 write_unlock_irqrestore(&adapter->abort_lock, flags);
497 retval = SUCCESS;
498 strncpy(dbf_result, "##late1", ZFCP_ABORT_DBF_LENGTH);
499 goto out;
500 }
501
502 /* Figure out which fsf_req needs to be aborted. */
503 old_fsf_req = req_data->send_fcp_command_task.fsf_req;
504
505 dbf_fsf_req = (unsigned long) old_fsf_req;
506 dbf_timeout =
507 (jiffies - req_data->send_fcp_command_task.start_jiffies) / HZ;
508
509 ZFCP_LOG_DEBUG("old_fsf_req=%p\n", old_fsf_req);
510 if (!old_fsf_req) { 458 if (!old_fsf_req) {
511 write_unlock_irqrestore(&adapter->abort_lock, flags); 459 write_unlock_irqrestore(&adapter->abort_lock, flags);
512 ZFCP_LOG_NORMAL("bug: no old fsf request found\n"); 460 ZFCP_LOG_NORMAL("bug: no old fsf request found\n");
513 ZFCP_LOG_NORMAL("req_data:\n");
514 ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL,
515 (char *) req_data, sizeof (union zfcp_req_data));
516 ZFCP_LOG_NORMAL("scsi_cmnd:\n"); 461 ZFCP_LOG_NORMAL("scsi_cmnd:\n");
517 ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL, 462 ZFCP_HEX_DUMP(ZFCP_LOG_LEVEL_NORMAL,
518 (char *) scpnt, sizeof (struct scsi_cmnd)); 463 (char *) scpnt, sizeof (struct scsi_cmnd));
519 retval = FAILED; 464 retval = FAILED;
520 strncpy(dbf_result, "##bug:r", ZFCP_ABORT_DBF_LENGTH);
521 goto out; 465 goto out;
522 } 466 }
523 old_fsf_req->data.send_fcp_command_task.scsi_cmnd = NULL; 467 old_fsf_req->data = 0;
524 /* mark old request as being aborted */
525 old_fsf_req->status |= ZFCP_STATUS_FSFREQ_ABORTING; 468 old_fsf_req->status |= ZFCP_STATUS_FSFREQ_ABORTING;
526 /*
527 * We have to collect all information (e.g. unit) needed by
528 * zfcp_fsf_abort_fcp_command before calling that routine
529 * since that routine is not allowed to access
530 * fsf_req which it is going to abort.
531 * This is because of we need to release fsf_req_list_lock
532 * before calling zfcp_fsf_abort_fcp_command.
533 * Since this lock will not be held, fsf_req may complete
534 * late and may be released meanwhile.
535 */
536 ZFCP_LOG_DEBUG("unit 0x%016Lx (%p)\n", unit->fcp_lun, unit);
537 469
538 /* 470 /* don't access old_fsf_req after releasing the abort_lock */
539 * We block (call schedule)
540 * That's why we must release the lock and enable the
541 * interrupts before.
542 * On the other hand we do not need the lock anymore since
543 * all critical accesses to scsi_req are done.
544 */
545 write_unlock_irqrestore(&adapter->abort_lock, flags); 471 write_unlock_irqrestore(&adapter->abort_lock, flags);
546 /* call FSF routine which does the abort */ 472 /* call FSF routine which does the abort */
547 new_fsf_req = zfcp_fsf_abort_fcp_command((unsigned long) old_fsf_req, 473 new_fsf_req = zfcp_fsf_abort_fcp_command((unsigned long) old_fsf_req,
548 adapter, unit, 0); 474 adapter, unit, 0);
549 ZFCP_LOG_DEBUG("new_fsf_req=%p\n", new_fsf_req);
550 if (!new_fsf_req) { 475 if (!new_fsf_req) {
551 retval = FAILED; 476 retval = FAILED;
552 ZFCP_LOG_NORMAL("error: initiation of Abort FCP Cmnd " 477 ZFCP_LOG_NORMAL("error: initiation of Abort FCP Cmnd "
553 "failed\n"); 478 "failed\n");
554 strncpy(dbf_result, "##nores", ZFCP_ABORT_DBF_LENGTH);
555 goto out; 479 goto out;
556 } 480 }
557 481
558 /* wait for completion of abort */ 482 /* wait for completion of abort */
559 ZFCP_LOG_DEBUG("waiting for cleanup...\n");
560#if 1
561 /*
562 * FIXME:
563 * copying zfcp_fsf_req_wait_and_cleanup code is not really nice
564 */
565 __wait_event(new_fsf_req->completion_wq, 483 __wait_event(new_fsf_req->completion_wq,
566 new_fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED); 484 new_fsf_req->status & ZFCP_STATUS_FSFREQ_COMPLETED);
567 status = new_fsf_req->status;
568 dbf_fsf_status = new_fsf_req->qtcb->header.fsf_status;
569 /*
570 * Ralphs special debug load provides timestamps in the FSF
571 * status qualifier. This might be specified later if being
572 * useful for debugging aborts.
573 */
574 dbf_fsf_qual[0] =
575 *(u64 *) & new_fsf_req->qtcb->header.fsf_status_qual.word[0];
576 dbf_fsf_qual[1] =
577 *(u64 *) & new_fsf_req->qtcb->header.fsf_status_qual.word[2];
578 zfcp_fsf_req_free(new_fsf_req); 485 zfcp_fsf_req_free(new_fsf_req);
579#else 486
580 retval = zfcp_fsf_req_wait_and_cleanup(new_fsf_req,
581 ZFCP_UNINTERRUPTIBLE, &status);
582#endif
583 ZFCP_LOG_DEBUG("Waiting for cleanup complete, status=0x%x\n", status);
584 /* status should be valid since signals were not permitted */ 487 /* status should be valid since signals were not permitted */
585 if (status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED) { 488 if (new_fsf_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED) {
586 retval = SUCCESS; 489 retval = SUCCESS;
587 strncpy(dbf_result, "##succ", ZFCP_ABORT_DBF_LENGTH); 490 } else if (new_fsf_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED) {
588 } else if (status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED) {
589 retval = SUCCESS; 491 retval = SUCCESS;
590 strncpy(dbf_result, "##late2", ZFCP_ABORT_DBF_LENGTH);
591 } else { 492 } else {
592 retval = FAILED; 493 retval = FAILED;
593 strncpy(dbf_result, "##fail", ZFCP_ABORT_DBF_LENGTH);
594 } 494 }
595
596 out: 495 out:
597 debug_event(adapter->abort_dbf, 1, &dbf_scsi_cmnd, sizeof (u64));
598 debug_event(adapter->abort_dbf, 1, &dbf_opcode, ZFCP_ABORT_DBF_LENGTH);
599 debug_event(adapter->abort_dbf, 1, &dbf_wwn, sizeof (wwn_t));
600 debug_event(adapter->abort_dbf, 1, &dbf_fcp_lun, sizeof (fcp_lun_t));
601 debug_event(adapter->abort_dbf, 1, &dbf_retries, sizeof (u64));
602 debug_event(adapter->abort_dbf, 1, &dbf_allowed, sizeof (u64));
603 debug_event(adapter->abort_dbf, 1, &dbf_timeout, sizeof (u64));
604 debug_event(adapter->abort_dbf, 1, &dbf_fsf_req, sizeof (u64));
605 debug_event(adapter->abort_dbf, 1, &dbf_fsf_status, sizeof (u64));
606 debug_event(adapter->abort_dbf, 1, &dbf_fsf_qual[0], sizeof (u64));
607 debug_event(adapter->abort_dbf, 1, &dbf_fsf_qual[1], sizeof (u64));
608 debug_text_event(adapter->abort_dbf, 1, dbf_result);
609
610 spin_lock_irq(scsi_host->host_lock);
611 return retval; 496 return retval;
612} 497}
613 498
614int
615zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
616{
617 int rc;
618 struct Scsi_Host *scsi_host = scpnt->device->host;
619 spin_lock_irq(scsi_host->host_lock);
620 rc = __zfcp_scsi_eh_abort_handler(scpnt);
621 spin_unlock_irq(scsi_host->host_lock);
622 return rc;
623}
624
625/* 499/*
626 * function: zfcp_scsi_eh_device_reset_handler 500 * function: zfcp_scsi_eh_device_reset_handler
627 * 501 *