diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2016-09-15 10:57:16 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2016-09-19 13:08:38 -0400 |
| commit | c8b920bb49939a5c6cf1d2d819300f318ea050d2 (patch) | |
| tree | 086a61c117611ec50dee5e8d273390a6fce0c269 /net/sunrpc/xprtrdma/xprt_rdma.h | |
| parent | 87cfb9a0c85ce4a0c96a4f3d692a85519b933ade (diff) | |
| download | op-kernel-dev-c8b920bb49939a5c6cf1d2d819300f318ea050d2.zip op-kernel-dev-c8b920bb49939a5c6cf1d2d819300f318ea050d2.tar.gz | |
xprtrdma: Basic support for Remote Invalidation
Have frwr's ro_unmap_sync recognize an invalidated rkey that appears
as part of a Receive completion. Local invalidation can be skipped
for that rkey.
Use an out-of-band signaling mechanism to indicate to the server
that the client is prepared to receive RDMA Send With Invalidate.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/xprt_rdma.h')
| -rw-r--r-- | net/sunrpc/xprtrdma/xprt_rdma.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 89df168..64b4e22 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -74,6 +74,7 @@ struct rpcrdma_ia { unsigned int ri_max_frmr_depth; unsigned int ri_max_inline_write; unsigned int ri_max_inline_read; + bool ri_reminv_expected; struct ib_qp_attr ri_qp_attr; struct ib_qp_init_attr ri_qp_init_attr; }; @@ -187,6 +188,8 @@ enum { struct rpcrdma_rep { struct ib_cqe rr_cqe; unsigned int rr_len; + int rr_wc_flags; + u32 rr_inv_rkey; struct ib_device *rr_device; struct rpcrdma_xprt *rr_rxprt; struct work_struct rr_work; @@ -385,6 +388,7 @@ struct rpcrdma_stats { unsigned long mrs_recovered; unsigned long mrs_orphaned; unsigned long mrs_allocated; + unsigned long local_inv_needed; }; /* @@ -408,6 +412,7 @@ struct rpcrdma_memreg_ops { struct rpcrdma_mw *); void (*ro_release_mr)(struct rpcrdma_mw *); const char *ro_displayname; + const int ro_send_w_inv_ok; }; extern const struct rpcrdma_memreg_ops rpcrdma_fmr_memreg_ops; |
