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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-08-27 21:59:59 -0500
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-08-27 21:59:59 -0500
commit8ce7a9c159c8c4eb480f0a65c6af753dbf9a1a70 (patch)
treebe59573c0af3617d0cd8a7d61f0ed119e58b1156 /include/scsi
parentd2afb3ae04e36dbc6e9eb2d8bd54406ff7b6b3bd (diff)
parent01da5fd83d6b2c5e36b77539f6cbdd8f49849225 (diff)
Merge ../linux-2.6
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/libiscsi.h19
-rw-r--r--include/scsi/scsi_transport_iscsi.h4
2 files changed, 18 insertions, 5 deletions
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ba2760802de..41904f611d1 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -60,6 +60,7 @@ struct iscsi_nopin;
#define TMABORT_SUCCESS 0x1
#define TMABORT_FAILED 0x2
#define TMABORT_TIMEDOUT 0x3
+#define TMABORT_NOT_FOUND 0x4
/* Connection suspend "bit" */
#define ISCSI_SUSPEND_BIT 1
@@ -83,6 +84,12 @@ struct iscsi_mgmt_task {
struct list_head running;
};
+enum {
+ ISCSI_TASK_COMPLETED,
+ ISCSI_TASK_PENDING,
+ ISCSI_TASK_RUNNING,
+};
+
struct iscsi_cmd_task {
/*
* Becuae LLDs allocate their hdr differently, this is a pointer to
@@ -101,6 +108,8 @@ struct iscsi_cmd_task {
struct iscsi_conn *conn; /* used connection */
struct iscsi_mgmt_task *mtask; /* tmf mtask in progr */
+ /* state set/tested under session->lock */
+ int state;
struct list_head running; /* running cmd list */
void *dd_data; /* driver/transport data */
};
@@ -126,6 +135,14 @@ struct iscsi_conn {
int id; /* CID */
struct list_head item; /* maintains list of conns */
int c_stage; /* connection state */
+ /*
+ * Preallocated buffer for pdus that have data but do not
+ * originate from scsi-ml. We never have two pdus using the
+ * buffer at the same time. It is only allocated to
+ * the default max recv size because the pdus we support
+ * should always fit in this buffer
+ */
+ char *data;
struct iscsi_mgmt_task *login_mtask; /* mtask used for login/text */
struct iscsi_mgmt_task *mtask; /* xmit mtask in progress */
struct iscsi_cmd_task *ctask; /* xmit ctask in progress */
@@ -134,7 +151,7 @@ struct iscsi_conn {
struct kfifo *immqueue; /* immediate xmit queue */
struct kfifo *mgmtqueue; /* mgmt (control) xmit queue */
struct list_head mgmt_run_list; /* list of control tasks */
- struct kfifo *xmitqueue; /* data-path cmd queue */
+ struct list_head xmitqueue; /* data-path cmd queue */
struct list_head run_list; /* list of cmds in progress */
struct work_struct xmitwork; /* per-conn. xmit workqueue */
/*
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 5a3df1d7085..39e833260bd 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -57,8 +57,6 @@ struct sockaddr;
* @stop_conn: suspend/recover/terminate connection
* @send_pdu: send iSCSI PDU, Login, Logout, NOP-Out, Reject, Text.
* @session_recovery_timedout: notify LLD a block during recovery timed out
- * @suspend_conn_recv: susepend the recv side of the connection
- * @termincate_conn: destroy socket connection. Called with mutex lock.
* @init_cmd_task: Initialize a iscsi_cmd_task and any internal structs.
* Called from queuecommand with session lock held.
* @init_mgmt_task: Initialize a iscsi_mgmt_task and any internal structs.
@@ -112,8 +110,6 @@ struct iscsi_transport {
char *data, uint32_t data_size);
void (*get_stats) (struct iscsi_cls_conn *conn,
struct iscsi_stats *stats);
- void (*suspend_conn_recv) (struct iscsi_conn *conn);
- void (*terminate_conn) (struct iscsi_conn *conn);
void (*init_cmd_task) (struct iscsi_cmd_task *ctask);
void (*init_mgmt_task) (struct iscsi_conn *conn,
struct iscsi_mgmt_task *mtask,