From da7525d2a9ae9d9d9af754441befcf2560f6cac3 Mon Sep 17 00:00:00 2001
From: Eran Ben Elisha <eranbe@mellanox.com>
Date: Mon, 14 Dec 2015 16:34:10 +0200
Subject: IB/mlx5: Advertise atomic capabilities in query device

In order to ensure IB spec atomic correctness in atomic operations, if
HW is configured to host endianness, advertise IB_ATOMIC_HCA.  if not,
advertise IB_ATOMIC_NONE.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
---
 include/linux/mlx5/driver.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include')

diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 7b9c976b42d9..53c57724c8dd 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -115,6 +115,11 @@ enum {
 	MLX5_REG_HOST_ENDIANNESS = 0x7004,
 };
 
+enum {
+	MLX5_ATOMIC_OPS_CMP_SWAP	= 1 << 0,
+	MLX5_ATOMIC_OPS_FETCH_ADD	= 1 << 1,
+};
+
 enum mlx5_page_fault_resume_flags {
 	MLX5_PAGE_FAULT_RESUME_REQUESTOR = 1 << 0,
 	MLX5_PAGE_FAULT_RESUME_WRITE	 = 1 << 1,
-- 
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