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[SCSI] libiscsi: add warm target reset tmf support

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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>
This commit is contained in:
Mike Christie
2009-11-11 16:34:33 -06:00
committed by James Bottomley
parent 5d12c05e29
commit 3fe5ae8b4c
8 changed files with 190 additions and 77 deletions
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3
include/scsi/iscsi_if.h
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@@ -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 {

1
include/scsi/libiscsi.h
View File

@@ -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;