Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / include / scsi / libiscsi.h

diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index cbf7e58..41904f6 100644 (file)
--- 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 */
        /*
@@ -157,6 +174,11 @@ struct iscsi_conn {
        int                     max_xmit_dlength; /* target_max_recv_dsl */
        int                     hdrdgst_en;
        int                     datadgst_en;
+       int                     ifmarker_en;
+       int                     ofmarker_en;
+       /* values userspace uses to id a conn */
+       int                     persistent_port;
+       char                    *persistent_address;
 
        /* MIB-statistics */
        uint64_t                txdata_octets;
@@ -196,8 +218,8 @@ struct iscsi_session {
        int                     pdu_inorder_en;
        int                     dataseq_inorder_en;
        int                     erl;
-       int                     ifmarker_en;
-       int                     ofmarker_en;
+       int                     tpgt;
+       char                    *targetname;
 
        /* control data */
        struct iscsi_transport  *tt;
@@ -240,6 +262,10 @@ iscsi_session_setup(struct iscsi_transport *, struct scsi_transport_template *,
 extern void iscsi_session_teardown(struct iscsi_cls_session *);
 extern struct iscsi_session *class_to_transport_session(struct iscsi_cls_session *);
 extern void iscsi_session_recovery_timedout(struct iscsi_cls_session *);
+extern int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
+                          enum iscsi_param param, char *buf, int buflen);
+extern int iscsi_session_get_param(struct iscsi_cls_session *cls_session,
+                                  enum iscsi_param param, char *buf);
 
 #define session_to_cls(_sess) \
        hostdata_session(_sess->host->hostdata)
@@ -255,6 +281,8 @@ extern void iscsi_conn_stop(struct iscsi_cls_conn *, int);
 extern int iscsi_conn_bind(struct iscsi_cls_session *, struct iscsi_cls_conn *,
                           int);
 extern void iscsi_conn_failure(struct iscsi_conn *conn, enum iscsi_err err);
+extern int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
+                               enum iscsi_param param, char *buf);
 
 /*
  * pdu and task processing