[SRU][N:linux-azure][PATCH 3/6] RDMA/mana_ib: Access remote atomic for MRs

[John Cabaj]

From: Konstantin Taranov <kotaranov at microsoft.com>

BugLink: https://bugs.launchpad.net/bugs/2128662

Add IB_ACCESS_REMOTE_ATOMIC to the valid flags for MRs and use
the corresponding flag bit during MR creation in the HW.

Signed-off-by: Konstantin Taranov <kotaranov at microsoft.com>
Link: https://patch.msgid.link/1744621234-26114-2-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli at microsoft.com>
Signed-off-by: Leon Romanovsky <leon at kernel.org>
(cherry picked from commit 7d40ccf018694ae894b37d7e849cde116eb37627)
Signed-off-by: John Cabaj <john.cabaj at canonical.com>
---
 drivers/infiniband/hw/mana/mr.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/mana/mr.c b/drivers/infiniband/hw/mana/mr.c
index f99557ec7767..e4a9f537a6d0 100644
--- a/drivers/infiniband/hw/mana/mr.c
+++ b/drivers/infiniband/hw/mana/mr.c
@@ -5,8 +5,8 @@
 
 #include "mana_ib.h"
 
-#define VALID_MR_FLAGS                                                         \
-	(IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ)
+#define VALID_MR_FLAGS (IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE | IB_ACCESS_REMOTE_READ |\
+			IB_ACCESS_REMOTE_ATOMIC)
 
 #define VALID_DMA_MR_FLAGS (IB_ACCESS_LOCAL_WRITE)
 
@@ -24,6 +24,9 @@ mana_ib_verbs_to_gdma_access_flags(int access_flags)
 	if (access_flags & IB_ACCESS_REMOTE_READ)
 		flags |= GDMA_ACCESS_FLAG_REMOTE_READ;
 
+	if (access_flags & IB_ACCESS_REMOTE_ATOMIC)
+		flags |= GDMA_ACCESS_FLAG_REMOTE_ATOMIC;
+
 	return flags;
 }
 
-- 
2.43.0