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Commit fe9053b3 authored by Tom Talpey's avatar Tom Talpey Committed by Trond Myklebust
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RPC/RDMA: add data types and new FRMR memory registration enum. 



Internal RPC/RDMA structure updates in preparation for FRMR support.

Signed-off-by: default avatarTom Talpey <talpey@netapp.com>
Acked-by: default avatarTom Tucker <tom@opengridcomputing.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 8d4ba034

include/linux/sunrpc/xprtrdma.h

+1 −0
Original line number Diff line number Diff line
@@ -78,6 +78,7 @@ enum rpcrdma_memreg { 
	RPCRDMA_MEMWINDOWS,

	RPCRDMA_MEMWINDOWS_ASYNC,

	RPCRDMA_MTHCAFMR,

	RPCRDMA_FRMR,

	RPCRDMA_ALLPHYSICAL,

	RPCRDMA_LAST

};

net/sunrpc/xprtrdma/xprt_rdma.h

+7 −1
Original line number Diff line number Diff line
@@ -58,6 +58,8 @@ struct rpcrdma_ia { 
	struct rdma_cm_id 	*ri_id;

	struct ib_pd		*ri_pd;

	struct ib_mr		*ri_bind_mem;

	u32			ri_dma_lkey;

	int			ri_have_dma_lkey;

	struct completion	ri_done;

	int			ri_async_rc;

	enum rpcrdma_memreg	ri_memreg_strategy;
@@ -156,6 +158,10 @@ struct rpcrdma_mr_seg { /* chunk descriptors */ 
			union {

				struct ib_mw	*mw;

				struct ib_fmr	*fmr;

				struct {

					struct ib_fast_reg_page_list *fr_pgl;

					struct ib_mr *fr_mr;

				} frmr;

			} r;

			struct list_head mw_list;

		} *rl_mw;
@@ -198,7 +204,7 @@ struct rpcrdma_buffer { 
	atomic_t	rb_credits;	/* most recent server credits */

	unsigned long	rb_cwndscale;	/* cached framework rpc_cwndscale */

	int		rb_max_requests;/* client max requests */

	struct list_head rb_mws;	/* optional memory windows/fmrs */

	struct list_head rb_mws;	/* optional memory windows/fmrs/frmrs */

	int		rb_send_index;

	struct rpcrdma_req	**rb_send_bufs;

	int		rb_recv_index;