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path: root/drivers/s390/scsi/zfcp_scsi.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c50
1 files changed, 25 insertions, 25 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 6bd2dbc4c31..ddb5800823a 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -30,6 +30,10 @@ module_param_named(dif, enable_dif, bool, 0600);
MODULE_PARM_DESC(dif, "Enable DIF/DIX data integrity support");
#endif
+static bool allow_lun_scan = 1;
+module_param(allow_lun_scan, bool, 0600);
+MODULE_PARM_DESC(allow_lun_scan, "For NPIV, scan and attach all storage LUNs");
+
static int zfcp_scsi_change_queue_depth(struct scsi_device *sdev, int depth,
int reason)
{
@@ -68,31 +72,26 @@ static int zfcp_scsi_slave_configure(struct scsi_device *sdp)
static void zfcp_scsi_command_fail(struct scsi_cmnd *scpnt, int result)
{
- struct zfcp_adapter *adapter =
- (struct zfcp_adapter *) scpnt->device->host->hostdata[0];
-
set_host_byte(scpnt, result);
- zfcp_dbf_scsi_fail_send(adapter->dbf, scpnt);
+ zfcp_dbf_scsi_fail_send(scpnt);
scpnt->scsi_done(scpnt);
}
-static int zfcp_scsi_queuecommand_lck(struct scsi_cmnd *scpnt,
- void (*done) (struct scsi_cmnd *))
+static
+int zfcp_scsi_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scpnt)
{
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scpnt->device);
- struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
struct fc_rport *rport = starget_to_rport(scsi_target(scpnt->device));
int status, scsi_result, ret;
/* reset the status for this request */
scpnt->result = 0;
scpnt->host_scribble = NULL;
- scpnt->scsi_done = done;
scsi_result = fc_remote_port_chkready(rport);
if (unlikely(scsi_result)) {
scpnt->result = scsi_result;
- zfcp_dbf_scsi_fail_send(adapter->dbf, scpnt);
+ zfcp_dbf_scsi_fail_send(scpnt);
scpnt->scsi_done(scpnt);
return 0;
}
@@ -127,8 +126,6 @@ static int zfcp_scsi_queuecommand_lck(struct scsi_cmnd *scpnt,
return ret;
}
-static DEF_SCSI_QCMD(zfcp_scsi_queuecommand)
-
static int zfcp_scsi_slave_alloc(struct scsi_device *sdev)
{
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
@@ -137,6 +134,7 @@ static int zfcp_scsi_slave_alloc(struct scsi_device *sdev)
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
struct zfcp_port *port;
struct zfcp_unit *unit;
+ int npiv = adapter->connection_features & FSF_FEATURE_NPIV_MODE;
port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
if (!port)
@@ -146,7 +144,7 @@ static int zfcp_scsi_slave_alloc(struct scsi_device *sdev)
if (unit)
put_device(&unit->dev);
- if (!unit && !(adapter->connection_features & FSF_FEATURE_NPIV_MODE)) {
+ if (!unit && !(allow_lun_scan && npiv)) {
put_device(&port->dev);
return -ENXIO;
}
@@ -161,7 +159,7 @@ static int zfcp_scsi_slave_alloc(struct scsi_device *sdev)
spin_lock_init(&zfcp_sdev->latencies.lock);
zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING);
- zfcp_erp_lun_reopen(sdev, 0, "scsla_1", NULL);
+ zfcp_erp_lun_reopen(sdev, 0, "scsla_1");
zfcp_erp_wait(port->adapter);
return 0;
@@ -185,8 +183,7 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
old_req = zfcp_reqlist_find(adapter->req_list, old_reqid);
if (!old_req) {
write_unlock_irqrestore(&adapter->abort_lock, flags);
- zfcp_dbf_scsi_abort("lte1", adapter->dbf, scpnt, NULL,
- old_reqid);
+ zfcp_dbf_scsi_abort("abrt_or", scpnt, NULL);
return FAILED; /* completion could be in progress */
}
old_req->data = NULL;
@@ -201,29 +198,32 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
zfcp_erp_wait(adapter);
ret = fc_block_scsi_eh(scpnt);
- if (ret)
+ if (ret) {
+ zfcp_dbf_scsi_abort("abrt_bl", scpnt, NULL);
return ret;
+ }
if (!(atomic_read(&adapter->status) &
ZFCP_STATUS_COMMON_RUNNING)) {
- zfcp_dbf_scsi_abort("nres", adapter->dbf, scpnt, NULL,
- old_reqid);
+ zfcp_dbf_scsi_abort("abrt_ru", scpnt, NULL);
return SUCCESS;
}
}
- if (!abrt_req)
+ if (!abrt_req) {
+ zfcp_dbf_scsi_abort("abrt_ar", scpnt, NULL);
return FAILED;
+ }
wait_for_completion(&abrt_req->completion);
if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTSUCCEEDED)
- dbf_tag = "okay";
+ dbf_tag = "abrt_ok";
else if (abrt_req->status & ZFCP_STATUS_FSFREQ_ABORTNOTNEEDED)
- dbf_tag = "lte2";
+ dbf_tag = "abrt_nn";
else {
- dbf_tag = "fail";
+ dbf_tag = "abrt_fa";
retval = FAILED;
}
- zfcp_dbf_scsi_abort(dbf_tag, adapter->dbf, scpnt, abrt_req, old_reqid);
+ zfcp_dbf_scsi_abort(dbf_tag, scpnt, abrt_req);
zfcp_fsf_req_free(abrt_req);
return retval;
}
@@ -283,7 +283,7 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
int ret;
- zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt);
+ zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
zfcp_erp_wait(adapter);
ret = fc_block_scsi_eh(scpnt);
if (ret)
@@ -521,7 +521,7 @@ static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
if (port) {
- zfcp_erp_port_forced_reopen(port, 0, "sctrpi1", NULL);
+ zfcp_erp_port_forced_reopen(port, 0, "sctrpi1");
put_device(&port->dev);
}
}