Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[sfrench/cifs-2.6.git] / drivers / infiniband / ulp / iser / iscsi_iser.h

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 1ee867b1b3411754c58a814331283944b45b9587..81a82628a5f1ebba68217ca6d20a5d5fd48bacbd 100644 (file)
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -36,8 +36,6 @@
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
- *
- * $Id: iscsi_iser.h 7051 2006-05-10 12:29:11Z ogerlitz $
  */
 #ifndef __ISCSI_ISER_H__
 #define __ISCSI_ISER_H__
@@ -70,6 +68,13 @@
 #define DRV_DATE       "May 7th, 2006"
 
 #define iser_dbg(fmt, arg...)                          \
+       do {                                            \
+               if (iser_debug_level > 1)               \
+                       printk(KERN_DEBUG PFX "%s:" fmt,\
+                               __func__ , ## arg);     \
+       } while (0)
+
+#define iser_warn(fmt, arg...)                         \
        do {                                            \
                if (iser_debug_level > 0)               \
                        printk(KERN_DEBUG PFX "%s:" fmt,\
@@ -89,7 +94,6 @@
                                        /* support upto 512KB in one RDMA */
 #define ISCSI_ISER_SG_TABLESIZE         (0x80000 >> SHIFT_4K)
 #define ISCSI_ISER_MAX_LUN             256
-#define ISCSI_ISER_MAX_CMD_LEN         16
 
 /* QP settings */
 /* Maximal bounds on received asynchronous PDUs */
@@ -167,7 +171,8 @@ struct iser_data_buf {
 /* fwd declarations */
 struct iser_device;
 struct iscsi_iser_conn;
-struct iscsi_iser_cmd_task;
+struct iscsi_iser_task;
+struct iscsi_endpoint;
 
 struct iser_mem_reg {
        u32  lkey;
@@ -191,7 +196,7 @@ struct iser_regd_buf {
 #define MAX_REGD_BUF_VECTOR_LEN        2
 
 struct iser_dto {
-       struct iscsi_iser_cmd_task *ctask;
+       struct iscsi_iser_task *task;
        struct iser_conn *ib_conn;
        int                        notify_enable;
 
@@ -235,7 +240,9 @@ struct iser_device {
 
 struct iser_conn {
        struct iscsi_iser_conn       *iser_conn; /* iser conn for upcalls  */
+       struct iscsi_endpoint        *ep;
        enum iser_ib_conn_state      state;         /* rdma connection state   */
+       atomic_t                     refcount;
        spinlock_t                   lock;          /* used for state changes  */
        struct iser_device           *device;       /* device context          */
        struct rdma_cm_id            *cma_id;       /* CMA ID                  */
@@ -254,11 +261,9 @@ struct iser_conn {
 struct iscsi_iser_conn {
        struct iscsi_conn            *iscsi_conn;/* ptr to iscsi conn */
        struct iser_conn             *ib_conn;   /* iSER IB conn      */
-
-       rwlock_t                     lock;
 };
 
-struct iscsi_iser_cmd_task {
+struct iscsi_iser_task {
        struct iser_desc             desc;
        struct iscsi_iser_conn       *iser_conn;
        enum iser_task_status        status;
@@ -291,22 +296,26 @@ extern int iser_debug_level;
 /* allocate connection resources needed for rdma functionality */
 int iser_conn_set_full_featured_mode(struct iscsi_conn *conn);
 
-int iser_send_control(struct iscsi_conn      *conn,
-                     struct iscsi_mgmt_task *mtask);
+int iser_send_control(struct iscsi_conn *conn,
+                     struct iscsi_task *task);
 
-int iser_send_command(struct iscsi_conn      *conn,
-                     struct iscsi_cmd_task  *ctask);
+int iser_send_command(struct iscsi_conn *conn,
+                     struct iscsi_task *task);
 
-int iser_send_data_out(struct iscsi_conn     *conn,
-                      struct iscsi_cmd_task *ctask,
-                      struct iscsi_data          *hdr);
+int iser_send_data_out(struct iscsi_conn *conn,
+                      struct iscsi_task *task,
+                      struct iscsi_data *hdr);
 
 void iscsi_iser_recv(struct iscsi_conn *conn,
                     struct iscsi_hdr       *hdr,
                     char                   *rx_data,
                     int                    rx_data_len);
 
-int  iser_conn_init(struct iser_conn **ib_conn);
+void iser_conn_init(struct iser_conn *ib_conn);
+
+void iser_conn_get(struct iser_conn *ib_conn);
+
+void iser_conn_put(struct iser_conn *ib_conn);
 
 void iser_conn_terminate(struct iser_conn *ib_conn);
 
@@ -315,9 +324,9 @@ void iser_rcv_completion(struct iser_desc *desc,
 
 void iser_snd_completion(struct iser_desc *desc);
 
-void iser_ctask_rdma_init(struct iscsi_iser_cmd_task     *ctask);
+void iser_task_rdma_init(struct iscsi_iser_task *task);
 
-void iser_ctask_rdma_finalize(struct iscsi_iser_cmd_task *ctask);
+void iser_task_rdma_finalize(struct iscsi_iser_task *task);
 
 void iser_dto_buffs_release(struct iser_dto *dto);
 
@@ -327,10 +336,10 @@ void iser_reg_single(struct iser_device      *device,
                     struct iser_regd_buf    *regd_buf,
                     enum dma_data_direction direction);
 
-void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_cmd_task *ctask,
+void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_task *task,
                                     enum iser_data_dir         cmd_dir);
 
-int  iser_reg_rdma_mem(struct iscsi_iser_cmd_task *ctask,
+int  iser_reg_rdma_mem(struct iscsi_iser_task *task,
                       enum   iser_data_dir        cmd_dir);
 
 int  iser_connect(struct iser_conn   *ib_conn,
@@ -350,10 +359,10 @@ int  iser_post_send(struct iser_desc *tx_desc);
 int iser_conn_state_comp(struct iser_conn *ib_conn,
                         enum iser_ib_conn_state comp);
 
-int iser_dma_map_task_data(struct iscsi_iser_cmd_task *iser_ctask,
+int iser_dma_map_task_data(struct iscsi_iser_task *iser_task,
                            struct iser_data_buf       *data,
                            enum   iser_data_dir       iser_dir,
                            enum   dma_data_direction  dma_dir);
 
-void iser_dma_unmap_task_data(struct iscsi_iser_cmd_task *iser_ctask);
+void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task);
 #endif