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| author | Mike Christie <michaelc@cs.wisc.edu> | 2008-01-31 20:36:43 +0100 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-02-08 01:02:34 +0100 |
| commit | 6eabafbe6616266e8de61980a7dac5ecc1ba1113 (patch) | |
| tree | f5533027fac576acf4db08210ea5815db3a15e50 /include/scsi/scsi_transport_iscsi.h | |
| parent | [SCSI] arm: convert to accessors and !use_sg cleanup (diff) | |
| download | linux-6eabafbe6616266e8de61980a7dac5ecc1ba1113.tar.xz linux-6eabafbe6616266e8de61980a7dac5ecc1ba1113.zip | |
[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>
Diffstat (limited to 'include/scsi/scsi_transport_iscsi.h')
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 404f11d331d6..0e869d9a3856 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -149,13 +149,6 @@ extern void iscsi_conn_error(struct iscsi_cls_conn *conn, enum iscsi_err error); extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); - -/* Connection's states */ -#define ISCSI_CONN_INITIAL_STAGE 0 -#define ISCSI_CONN_STARTED 1 -#define ISCSI_CONN_STOPPED 2 -#define ISCSI_CONN_CLEANUP_WAIT 3 - struct iscsi_cls_conn { struct list_head conn_list; /* item in connlist */ void *dd_data; /* LLD private data */ @@ -169,19 +162,21 @@ struct iscsi_cls_conn { #define iscsi_dev_to_conn(_dev) \ container_of(_dev, struct iscsi_cls_conn, dev) -/* Session's states */ -#define ISCSI_STATE_FREE 1 -#define ISCSI_STATE_LOGGED_IN 2 -#define ISCSI_STATE_FAILED 3 -#define ISCSI_STATE_TERMINATE 4 -#define ISCSI_STATE_IN_RECOVERY 5 -#define ISCSI_STATE_RECOVERY_FAILED 6 -#define ISCSI_STATE_LOGGING_OUT 7 +#define iscsi_conn_to_session(_conn) \ + iscsi_dev_to_session(_conn->dev.parent) + +/* iscsi class session state */ +enum { + ISCSI_SESSION_LOGGED_IN, + ISCSI_SESSION_FAILED, + ISCSI_SESSION_FREE, +}; struct iscsi_cls_session { struct list_head sess_list; /* item in session_list */ struct list_head host_list; struct iscsi_transport *transport; + spinlock_t lock; /* recovery fields */ int recovery_tmo; @@ -190,6 +185,7 @@ struct iscsi_cls_session { int target_id; + int state; int sid; /* session id */ void *dd_data; /* LLD private data */ struct device dev; /* sysfs transport/container device */ @@ -214,6 +210,7 @@ struct iscsi_host { /* * session and connection functions that can be used by HW iSCSI LLDs */ +extern int iscsi_session_chkready(struct iscsi_cls_session *session); extern struct iscsi_cls_session *iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport); extern int iscsi_add_session(struct iscsi_cls_session *session, |