[SCSI] libiscsi: add warm target reset tmf support
This implements warm target reset tmf support for
the scsi-ml target reset callback. Previously we would
just drop the session in that callback. This patch will
now try a target reset and if that fails drop the session.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index d67dda2..66d377b 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -311,6 +311,8 @@
ISCSI_PARAM_IFACE_NAME,
ISCSI_PARAM_ISID,
ISCSI_PARAM_INITIATOR_NAME,
+
+ ISCSI_PARAM_TGT_RESET_TMO,
/* must always be last */
ISCSI_PARAM_MAX,
};
@@ -350,6 +352,7 @@
#define ISCSI_IFACE_NAME (1ULL << ISCSI_PARAM_IFACE_NAME)
#define ISCSI_ISID (1ULL << ISCSI_PARAM_ISID)
#define ISCSI_INITIATOR_NAME (1ULL << ISCSI_PARAM_INITIATOR_NAME)
+#define ISCSI_TGT_RESET_TMO (1ULL << ISCSI_PARAM_TGT_RESET_TMO)
/* iSCSI HBA params */
enum iscsi_host_param {
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 2db2bc2..7394e3b 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -267,6 +267,7 @@
/* configuration */
int abort_timeout;
int lu_reset_timeout;
+ int tgt_reset_timeout;
int initial_r2t_en;
unsigned max_r2t;
int imm_data_en;