diff options
Diffstat (limited to 'drivers/infiniband/ulp/iser/iscsi_iser.h')
| -rw-r--r-- | drivers/infiniband/ulp/iser/iscsi_iser.h | 79 |
1 files changed, 7 insertions, 72 deletions
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 029c00163442..1d77c7f42e38 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -65,7 +65,6 @@ #include <linux/in6.h> #include <rdma/ib_verbs.h> -#include <rdma/ib_fmr_pool.h> #include <rdma/rdma_cm.h> #define DRV_NAME "iser" @@ -313,33 +312,6 @@ struct iser_comp { }; /** - * struct iser_reg_ops - Memory registration operations - * per-device registration schemes - * - * @alloc_reg_res: Allocate registration resources - * @free_reg_res: Free registration resources - * @reg_mem: Register memory buffers - * @unreg_mem: Un-register memory buffers - * @reg_desc_get: Get a registration descriptor for pool - * @reg_desc_put: Get a registration descriptor to pool - */ -struct iser_reg_ops { - int (*alloc_reg_res)(struct ib_conn *ib_conn, - unsigned cmds_max, - unsigned int size); - void (*free_reg_res)(struct ib_conn *ib_conn); - int (*reg_mem)(struct iscsi_iser_task *iser_task, - struct iser_data_buf *mem, - struct iser_reg_resources *rsc, - struct iser_mem_reg *reg); - void (*unreg_mem)(struct iscsi_iser_task *iser_task, - enum iser_data_dir cmd_dir); - struct iser_fr_desc * (*reg_desc_get)(struct ib_conn *ib_conn); - void (*reg_desc_put)(struct ib_conn *ib_conn, - struct iser_fr_desc *desc); -}; - -/** * struct iser_device - iSER device handle * * @ib_device: RDMA device @@ -351,8 +323,6 @@ struct iser_reg_ops { * @comps_used: Number of completion contexts used, Min between online * cpus and device max completion vectors * @comps: Dinamically allocated array of completion handlers - * @reg_ops: Registration ops - * @remote_inv_sup: Remote invalidate is supported on this device */ struct iser_device { struct ib_device *ib_device; @@ -362,26 +332,18 @@ struct iser_device { int refcount; int comps_used; struct iser_comp *comps; - const struct iser_reg_ops *reg_ops; - bool remote_inv_sup; }; /** * struct iser_reg_resources - Fast registration resources * * @mr: memory region - * @fmr_pool: pool of fmrs * @sig_mr: signature memory region - * @page_vec: fast reg page list used by fmr pool * @mr_valid: is mr valid indicator */ struct iser_reg_resources { - union { - struct ib_mr *mr; - struct ib_fmr_pool *fmr_pool; - }; + struct ib_mr *mr; struct ib_mr *sig_mr; - struct iser_page_vec *page_vec; u8 mr_valid:1; }; @@ -403,7 +365,7 @@ struct iser_fr_desc { * struct iser_fr_pool - connection fast registration pool * * @list: list of fastreg descriptors - * @lock: protects fmr/fastreg pool + * @lock: protects fastreg pool * @size: size of the pool */ struct iser_fr_pool { @@ -518,12 +480,6 @@ struct iscsi_iser_task { struct iser_data_buf prot[ISER_DIRS_NUM]; }; -struct iser_page_vec { - u64 *pages; - int npages; - struct ib_mr fake_mr; -}; - /** * struct iser_global - iSER global context * @@ -548,8 +504,6 @@ extern int iser_pi_guard; extern unsigned int iser_max_sectors; extern bool iser_always_reg; -int iser_assign_reg_ops(struct iser_device *device); - int iser_send_control(struct iscsi_conn *conn, struct iscsi_task *task); @@ -591,22 +545,17 @@ void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_task *iser_task, struct iser_data_buf *mem, enum iser_data_dir cmd_dir); -int iser_reg_rdma_mem(struct iscsi_iser_task *task, - enum iser_data_dir dir, - bool all_imm); -void iser_unreg_rdma_mem(struct iscsi_iser_task *task, - enum iser_data_dir dir); +int iser_reg_mem_fastreg(struct iscsi_iser_task *task, + enum iser_data_dir dir, + bool all_imm); +void iser_unreg_mem_fastreg(struct iscsi_iser_task *task, + enum iser_data_dir dir); int iser_connect(struct iser_conn *iser_conn, struct sockaddr *src_addr, struct sockaddr *dst_addr, int non_blocking); -void iser_unreg_mem_fmr(struct iscsi_iser_task *iser_task, - enum iser_data_dir cmd_dir); -void iser_unreg_mem_fastreg(struct iscsi_iser_task *iser_task, - enum iser_data_dir cmd_dir); - int iser_post_recvl(struct iser_conn *iser_conn); int iser_post_recvm(struct iser_conn *iser_conn, int count); int iser_post_send(struct ib_conn *ib_conn, struct iser_tx_desc *tx_desc, @@ -625,26 +574,12 @@ int iser_initialize_task_headers(struct iscsi_task *task, struct iser_tx_desc *tx_desc); int iser_alloc_rx_descriptors(struct iser_conn *iser_conn, struct iscsi_session *session); -int iser_alloc_fmr_pool(struct ib_conn *ib_conn, - unsigned cmds_max, - unsigned int size); -void iser_free_fmr_pool(struct ib_conn *ib_conn); int iser_alloc_fastreg_pool(struct ib_conn *ib_conn, unsigned cmds_max, unsigned int size); void iser_free_fastreg_pool(struct ib_conn *ib_conn); u8 iser_check_task_pi_status(struct iscsi_iser_task *iser_task, enum iser_data_dir cmd_dir, sector_t *sector); -struct iser_fr_desc * -iser_reg_desc_get_fr(struct ib_conn *ib_conn); -void -iser_reg_desc_put_fr(struct ib_conn *ib_conn, - struct iser_fr_desc *desc); -struct iser_fr_desc * -iser_reg_desc_get_fmr(struct ib_conn *ib_conn); -void -iser_reg_desc_put_fmr(struct ib_conn *ib_conn, - struct iser_fr_desc *desc); static inline struct iser_conn * to_iser_conn(struct ib_conn *ib_conn) |