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authorMike Christie <michaelc@cs.wisc.edu>2009-11-11 16:34:33 -0600
committerJames Bottomley <James.Bottomley@suse.de>2009-12-04 12:01:36 -0600
commit3fe5ae8b4c4d3a82c755074878da7ddb9dde381e (patch)
tree2565bc75ba1ab288cff50d4290eca8312f87bb04 /include/scsi
parent[SCSI] libiscsi: Check TMF state before sending PDU (diff)
downloadlinux-dev-3fe5ae8b4c4d3a82c755074878da7ddb9dde381e.tar.xz
linux-dev-3fe5ae8b4c4d3a82c755074878da7ddb9dde381e.zip
[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>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/iscsi_if.h3
-rw-r--r--include/scsi/libiscsi.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index d67dda2b6aa0..66d377b9c72b 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -311,6 +311,8 @@ enum iscsi_param {
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 @@ enum iscsi_param {
#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 2db2bc26b1e9..7394e3bc8f4b 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -267,6 +267,7 @@ struct iscsi_session {
/* configuration */
int abort_timeout;
int lu_reset_timeout;
+ int tgt_reset_timeout;
int initial_r2t_en;
unsigned max_r2t;
int imm_data_en;