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authorChristoph Hellwig <hch@lst.de>2016-09-05 12:56:17 +0200
committerDoug Ledford <dledford@redhat.com>2016-09-23 19:47:44 +0200
commited082d36a7b2c27d1cda55fdfb28af18040c4a89 (patch)
tree6af4a8de8bb358866c8b1267ef24765b498a6b5e /net
parentIB/core: rename pd->local_mr to pd->__internal_mr (diff)
downloadlinux-ed082d36a7b2c27d1cda55fdfb28af18040c4a89.tar.xz
linux-ed082d36a7b2c27d1cda55fdfb28af18040c4a89.zip
IB/core: add support to create a unsafe global rkey to ib_create_pd
Instead of exposing ib_get_dma_mr to ULPs and letting them use it more or less unchecked, this moves the capability of creating a global rkey into the RDMA core, where it can be easily audited. It also prints a warning everytime this feature is used as well. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'net')
-rw-r--r--net/9p/trans_rdma.c2
-rw-r--r--net/rds/ib.c2
-rw-r--r--net/sunrpc/xprtrdma/svc_rdma_transport.c2
-rw-r--r--net/sunrpc/xprtrdma/verbs.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 1852e383afd6..553ed4ecb6a0 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -680,7 +680,7 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
goto error;
/* Create the Protection Domain */
- rdma->pd = ib_alloc_pd(rdma->cm_id->device);
+ rdma->pd = ib_alloc_pd(rdma->cm_id->device, 0);
if (IS_ERR(rdma->pd))
goto error;
diff --git a/net/rds/ib.c b/net/rds/ib.c
index 7eaf887e46f8..5680d90b0b77 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -160,7 +160,7 @@ static void rds_ib_add_one(struct ib_device *device)
rds_ibdev->max_responder_resources = device->attrs.max_qp_rd_atom;
rds_ibdev->dev = device;
- rds_ibdev->pd = ib_alloc_pd(device);
+ rds_ibdev->pd = ib_alloc_pd(device, 0);
if (IS_ERR(rds_ibdev->pd)) {
rds_ibdev->pd = NULL;
goto put_dev;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index dd9440137834..eb2857f52b05 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -993,7 +993,7 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
newxprt->sc_ord = min_t(size_t, dev->attrs.max_qp_rd_atom, newxprt->sc_ord);
newxprt->sc_ord = min_t(size_t, svcrdma_ord, newxprt->sc_ord);
- newxprt->sc_pd = ib_alloc_pd(dev);
+ newxprt->sc_pd = ib_alloc_pd(dev, 0);
if (IS_ERR(newxprt->sc_pd)) {
dprintk("svcrdma: error creating PD for connect request\n");
goto errout;
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 536d0be3f61b..6561d4a35acb 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -386,7 +386,7 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg)
}
ia->ri_device = ia->ri_id->device;
- ia->ri_pd = ib_alloc_pd(ia->ri_device);
+ ia->ri_pd = ib_alloc_pd(ia->ri_device, 0);
if (IS_ERR(ia->ri_pd)) {
rc = PTR_ERR(ia->ri_pd);
pr_err("rpcrdma: ib_alloc_pd() returned %d\n", rc);