[SCSI] iscsi class, libiscsi: add iscsi sysfs session state file
This adds a iscsi session state file which exports the session
state for both software and hardware iscsi. It also hooks libiscsi
in.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 71eda241..278011f 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -135,6 +135,14 @@
return (void*)ctask->hdr + ctask->hdr_len;
}
+/* Connection's states */
+enum {
+ ISCSI_CONN_INITIAL_STAGE,
+ ISCSI_CONN_STARTED,
+ ISCSI_CONN_STOPPED,
+ ISCSI_CONN_CLEANUP_WAIT,
+};
+
struct iscsi_conn {
struct iscsi_cls_conn *cls_conn; /* ptr to class connection */
void *dd_data; /* iscsi_transport data */
@@ -227,6 +235,17 @@
int max; /* Max number of elements */
};
+/* Session's states */
+enum {
+ ISCSI_STATE_FREE = 1,
+ ISCSI_STATE_LOGGED_IN,
+ ISCSI_STATE_FAILED,
+ ISCSI_STATE_TERMINATE,
+ ISCSI_STATE_IN_RECOVERY,
+ ISCSI_STATE_RECOVERY_FAILED,
+ ISCSI_STATE_LOGGING_OUT,
+};
+
struct iscsi_session {
/*
* Syncs up the scsi eh thread with the iscsi eh thread when sending