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;
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