netdev - [PATCH rdma-next 07/10] RDMA/efa: Allow passing of optional access flags for MR registration

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Date:   Wed,  8 Jan 2020 20:05:37 +0200
From:   Yishai Hadas <yishaih@...lanox.com>
To:     linux-rdma@...r.kernel.org, jgg@...lanox.com, dledford@...hat.com
Cc:     saeedm@...lanox.com, yishaih@...lanox.com, maorg@...lanox.com,
        michaelgur@...lanox.com, netdev@...r.kernel.org
Subject: [PATCH rdma-next 07/10] RDMA/efa: Allow passing of optional access flags for MR registration

From: Michael Guralnik <michaelgur@...lanox.com>

As part of adding a range of optional access flags that drivers need to
be able to accept, mask this range inside efa driver.
This will prevent the driver from failing when an access flag from
that range is passed.

Signed-off-by: Michael Guralnik <michaelgur@...lanox.com>
Signed-off-by: Yishai Hadas <yishaih@...lanox.com>
---
 drivers/infiniband/hw/efa/efa_verbs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 50c2257..b6b936c 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -1370,6 +1370,7 @@ struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
 		IB_ACCESS_LOCAL_WRITE |
 		(is_rdma_read_cap(dev) ? IB_ACCESS_REMOTE_READ : 0);
 
+	access_flags &= ~IB_UVERBS_ACCESS_OPTIONAL_RANGE;
 	if (access_flags & ~supp_access_flags) {
 		ibdev_dbg(&dev->ibdev,
 			  "Unsupported access flags[%#x], supported[%#x]\n",
-- 
1.8.3.1