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-rw-r--r--include/scsi/iscsi_if.h2
-rw-r--r--include/scsi/scsi_transport_iscsi.h19
2 files changed, 20 insertions, 1 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 2c3a89b64e71..eebe2b15161b 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -174,6 +174,7 @@ enum iscsi_param {
ISCSI_PARAM_TPGT,
ISCSI_PARAM_PERSISTENT_ADDRESS,
ISCSI_PARAM_PERSISTENT_PORT,
+ ISCSI_PARAM_SESS_RECOVERY_TMO,
/* pased in through bind conn using transport_fd */
ISCSI_PARAM_CONN_PORT,
@@ -201,6 +202,7 @@ enum iscsi_param {
#define ISCSI_TPGT (1 << ISCSI_PARAM_TPGT)
#define ISCSI_PERSISTENT_ADDRESS (1 << ISCSI_PARAM_PERSISTENT_ADDRESS)
#define ISCSI_PERSISTENT_PORT (1 << ISCSI_PARAM_PERSISTENT_PORT)
+#define ISCSI_SESS_RECOVERY_TMO (1 << ISCSI_PARAM_SESS_RECOVERY_TMO)
#define ISCSI_CONN_PORT (1 << ISCSI_PARAM_CONN_PORT)
#define ISCSI_CONN_ADDRESS (1 << ISCSI_PARAM_CONN_ADDRESS)
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 4b200645c84b..9d2b99159ee7 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -90,6 +90,7 @@ struct iscsi_transport {
char *data, uint32_t data_size);
void (*get_stats) (struct iscsi_cls_conn *conn,
struct iscsi_stats *stats);
+ void (*session_recovery_timedout) (struct iscsi_cls_session *session);
};
/*
@@ -130,12 +131,20 @@ struct iscsi_cls_conn {
struct iscsi_cls_session {
struct list_head sess_list; /* item in session_list */
+ struct list_head host_list;
struct iscsi_transport *transport;
/* iSCSI values used as unique id by userspace. */
char *targetname;
int tpgt;
+ /* recovery fields */
+ int recovery_tmo;
+ struct work_struct recovery_work;
+
+ int target_id;
+ int channel;
+
int sid; /* session id */
void *dd_data; /* LLD private data */
struct device dev; /* sysfs transport/container device */
@@ -147,15 +156,23 @@ struct iscsi_cls_session {
#define iscsi_session_to_shost(_session) \
dev_to_shost(_session->dev.parent)
+struct iscsi_host {
+ int next_target_id;
+ struct list_head sessions;
+ struct mutex mutex;
+};
+
/*
* session and connection functions that can be used by HW iSCSI LLDs
*/
extern struct iscsi_cls_session *iscsi_create_session(struct Scsi_Host *shost,
- struct iscsi_transport *t);
+ struct iscsi_transport *t, int channel);
extern int iscsi_destroy_session(struct iscsi_cls_session *session);
extern struct iscsi_cls_conn *iscsi_create_conn(struct iscsi_cls_session *sess,
uint32_t cid);
extern int iscsi_destroy_conn(struct iscsi_cls_conn *conn);
+extern void iscsi_unblock_session(struct iscsi_cls_session *session);
+extern void iscsi_block_session(struct iscsi_cls_session *session);
/*
* session functions used by software iscsi