__func__ , ## arg); \
} while (0)
+#define SHIFT_4K 12
+#define SIZE_4K (1UL << SHIFT_4K)
+#define MASK_4K (~(SIZE_4K-1))
+
/* support upto 512KB in one RDMA */
-#define ISCSI_ISER_SG_TABLESIZE (0x80000 >> PAGE_SHIFT)
+#define ISCSI_ISER_SG_TABLESIZE (0x80000 >> SHIFT_4K)
#define ISCSI_ISER_MAX_LUN 256
#define ISCSI_ISER_MAX_CMD_LEN 16
u64 va;
u64 len;
void *mem_h;
+ int is_fmr;
};
struct iser_regd_buf {
struct iser_mem_reg reg; /* memory registration info */
void *virt_addr;
struct iser_device *device; /* device->device for dma_unmap */
- dma_addr_t dma_addr; /* if non zero, addr for dma_unmap */
+ u64 dma_addr; /* if non zero, addr for dma_unmap */
enum dma_data_direction direction; /* direction for dma_unmap */
unsigned int data_size;
atomic_t ref_count; /* refcount, freed when dec to 0 */
struct iser_dto {
struct iscsi_iser_cmd_task *ctask;
- struct iscsi_iser_conn *conn;
+ struct iser_conn *ib_conn;
int notify_enable;
/* vector of registered buffers */
struct iscsi_iser_cmd_task {
struct iser_desc desc;
struct iscsi_iser_conn *iser_conn;
- int rdma_data_count;/* RDMA bytes */
enum iser_task_status status;
int command_sent; /* set if command sent */
int dir[ISER_DIRS_NUM]; /* set if dir use*/
struct mutex connlist_mutex;
struct list_head connlist; /* all iSER IB connections */
- kmem_cache_t *desc_cache;
+ struct kmem_cache *desc_cache;
};
extern struct iser_global ig;
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,
+ 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);
#endif