RPC/RDMA: add data types and new FRMR memory registration enum.
Internal RPC/RDMA structure updates in preparation for FRMR support.
Signed-off-by: Tom Talpey <talpey@netapp.com>
Acked-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h
index 4de56b1..55a5d92 100644
--- a/include/linux/sunrpc/xprtrdma.h
+++ b/include/linux/sunrpc/xprtrdma.h
@@ -78,6 +78,7 @@
RPCRDMA_MEMWINDOWS,
RPCRDMA_MEMWINDOWS_ASYNC,
RPCRDMA_MTHCAFMR,
+ RPCRDMA_FRMR,
RPCRDMA_ALLPHYSICAL,
RPCRDMA_LAST
};
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h
index 2427822..05b7898 100644
--- a/net/sunrpc/xprtrdma/xprt_rdma.h
+++ b/net/sunrpc/xprtrdma/xprt_rdma.h
@@ -58,6 +58,8 @@
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 @@
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 @@
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;