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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: Tom Talpey <talpey@netapp.com>
Acked-by: Tom Tucker <tom@opengridcomputing.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Tom Talpey 2008-10-09 14:59:59 -04:00 committed by Trond Myklebust
parent 8d4ba0347c
commit fe9053b30b
2 changed files with 8 additions and 1 deletions
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1
include/linux/sunrpc/xprtrdma.h
View File

@ -78,6 +78,7 @@ enum rpcrdma_memreg {
RPCRDMA_MEMWINDOWS,
RPCRDMA_MEMWINDOWS_ASYNC,
RPCRDMA_MTHCAFMR,
RPCRDMA_FRMR,
RPCRDMA_ALLPHYSICAL,
RPCRDMA_LAST
};

8
net/sunrpc/xprtrdma/xprt_rdma.h
View File

@ -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;