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authorEran Ben Elisha <eranbe@mellanox.com>2015-12-14 15:34:09 +0100
committerDoug Ledford <dledford@redhat.com>2015-12-24 06:17:31 +0100
commitf91e6d8941bf450f7842dfc1ed80e948aaa65e8c (patch)
tree8c3ffa8c01b289c87cfefc18856a95c4121584b5 /include
parentiw_cxgb3: Fix incorrectly returning error on success (diff)
downloadlinux-f91e6d8941bf450f7842dfc1ed80e948aaa65e8c.tar.xz
linux-f91e6d8941bf450f7842dfc1ed80e948aaa65e8c.zip
net/mlx5_core: Add setting ATOMIC endian mode
HW is capable of 2 requestor endianness modes for standard 8 Bytes atomic: BE (0x0) and host endianness (0x1). Read the supported modes from hca atomic capabilities and configure HW to host endianness mode if supported. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mlx5/mlx5_ifc.h22
1 files changed, 15 insertions, 7 deletions
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 091d8343d594..991283b51f61 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -67,6 +67,11 @@ enum {
};
enum {
+ MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE = 0x0,
+ MLX5_SET_HCA_CAP_OP_MOD_ATOMIC = 0x3,
+};
+
+enum {
MLX5_CMD_OP_QUERY_HCA_CAP = 0x100,
MLX5_CMD_OP_QUERY_ADAPTER = 0x101,
MLX5_CMD_OP_INIT_HCA = 0x102,
@@ -527,21 +532,24 @@ enum {
struct mlx5_ifc_atomic_caps_bits {
u8 reserved_0[0x40];
- u8 atomic_req_endianness[0x1];
- u8 reserved_1[0x1f];
+ u8 atomic_req_8B_endianess_mode[0x2];
+ u8 reserved_1[0x4];
+ u8 supported_atomic_req_8B_endianess_mode_1[0x1];
- u8 reserved_2[0x20];
+ u8 reserved_2[0x19];
- u8 reserved_3[0x10];
- u8 atomic_operations[0x10];
+ u8 reserved_3[0x20];
u8 reserved_4[0x10];
- u8 atomic_size_qp[0x10];
+ u8 atomic_operations[0x10];
u8 reserved_5[0x10];
+ u8 atomic_size_qp[0x10];
+
+ u8 reserved_6[0x10];
u8 atomic_size_dc[0x10];
- u8 reserved_6[0x720];
+ u8 reserved_7[0x720];
};
struct mlx5_ifc_odp_cap_bits {