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-rw-r--r--include/scsi/libiscsi.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ba2760802ded..41904f611d12 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 */
/*