svn commit: r293186 - head/sys/contrib/rdma/krping

[Navdeep Parhar]

Author: np
Date: Tue Jan  5 01:58:30 2016
New Revision: 293186
URL: https://svnweb.freebsd.org/changeset/base/293186

Log:
  Have krping use IB_ACCESS_LOCAL_WRITE because it's required for remote
  write or remote atomic operations.
  
  Submitted by:	Krishnamraju Eraparaju @ Chelsio

Modified:
  head/sys/contrib/rdma/krping/krping.c

Modified: head/sys/contrib/rdma/krping/krping.c
==============================================================================
--- head/sys/contrib/rdma/krping/krping.c	Tue Jan  5 01:32:40 2016	(r293185)
+++ head/sys/contrib/rdma/krping/krping.c	Tue Jan  5 01:58:30 2016	(r293186)
@@ -640,6 +640,7 @@ static int krping_setup_buffers(struct k
 			buf.size = cb->size;
 			iovbase = cb->rdma_dma_addr;
 			cb->rdma_mr = ib_reg_phys_mr(cb->pd, &buf, 1, 
+			    		     IB_ACCESS_LOCAL_WRITE|
 					     IB_ACCESS_REMOTE_READ| 
 					     IB_ACCESS_REMOTE_WRITE, 
 					     &iovbase);
@@ -675,8 +676,10 @@ static int krping_setup_buffers(struct k
 		if (cb->mem == MR || cb->mem == MW) {
 			unsigned flags = IB_ACCESS_REMOTE_READ;
 
-			if (cb->wlat || cb->rlat || cb->bw)
-				flags |= IB_ACCESS_REMOTE_WRITE;
+			if (cb->wlat || cb->rlat || cb->bw) {
+				flags |= IB_ACCESS_LOCAL_WRITE |
+				    IB_ACCESS_REMOTE_WRITE;
+			}
 
 			buf.addr = cb->start_dma_addr;
 			buf.size = cb->size;