diff options
Diffstat (limited to 'drivers/infiniband/ulp/isert/ib_isert.h')
-rw-r--r-- | drivers/infiniband/ulp/isert/ib_isert.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index 76565030e4e7..631f2090f0b8 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -5,6 +5,7 @@ #include <rdma/rdma_cm.h> #define ISERT_RDMA_LISTEN_BACKLOG 10 +#define ISCSI_ISER_SG_TABLESIZE 256 enum isert_desc_type { ISCSI_TX_CONTROL, @@ -45,16 +46,26 @@ struct iser_tx_desc { struct ib_send_wr send_wr; } __packed; +struct fast_reg_descriptor { + struct list_head list; + struct ib_mr *data_mr; + struct ib_fast_reg_page_list *data_frpl; + bool valid; +}; + struct isert_rdma_wr { struct list_head wr_list; struct isert_cmd *isert_cmd; enum iser_ib_op_code iser_ib_op; struct ib_sge *ib_sge; + struct ib_sge s_ib_sge; int num_sge; struct scatterlist *sge; int send_wr_num; struct ib_send_wr *send_wr; + struct ib_send_wr s_send_wr; u32 cur_rdma_length; + struct fast_reg_descriptor *fr_desc; }; struct isert_cmd { @@ -106,6 +117,10 @@ struct isert_conn { wait_queue_head_t conn_wait; wait_queue_head_t conn_wait_comp_err; struct kref conn_kref; + struct list_head conn_frwr_pool; + int conn_frwr_pool_size; + /* lock to protect frwr_pool */ + spinlock_t conn_lock; }; #define ISERT_MAX_CQ 64 @@ -118,6 +133,7 @@ struct isert_cq_desc { }; struct isert_device { + int use_frwr; int cqs_used; int refcount; int cq_active_qps[ISERT_MAX_CQ]; @@ -128,6 +144,7 @@ struct isert_device { struct ib_cq *dev_tx_cq[ISERT_MAX_CQ]; struct isert_cq_desc *cq_desc; struct list_head dev_node; + struct ib_device_attr dev_attr; int (*reg_rdma_mem)(struct iscsi_conn *conn, struct iscsi_cmd *cmd, struct isert_rdma_wr *wr); |