net/mlx5: Add Virtio Emulation related device capabilities

Add Virtio Emulation related fields to the device capabilities.

It includes a general bit to indicate whether Virtio Emulation is
supported and the capabilities structure itself.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Shahaf Shuler <shahafs@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 5d54fcc..c6abaf4 100644 (file)
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -87,6 +87,7 @@ enum {
 enum {
        MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM = (1ULL << MLX5_OBJ_TYPE_SW_ICM),
        MLX5_GENERAL_OBJ_TYPES_CAP_GENEVE_TLV_OPT = (1ULL << 11),
+       MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q = (1ULL << 13),
 };
 
 enum {
@@ -953,6 +954,19 @@ struct mlx5_ifc_device_event_cap_bits {
        u8         user_unaffiliated_events[4][0x40];
 };
 
+struct mlx5_ifc_device_virtio_emulation_cap_bits {
+       u8         reserved_at_0[0x20];
+
+       u8         reserved_at_20[0x13];
+       u8         log_doorbell_stride[0x5];
+       u8         reserved_at_38[0x3];
+       u8         log_doorbell_bar_size[0x5];
+
+       u8         doorbell_bar_offset[0x40];
+
+       u8         reserved_at_80[0x780];
+};
+
 enum {
        MLX5_ATOMIC_CAPS_ATOMIC_SIZE_QP_1_BYTE     = 0x0,
        MLX5_ATOMIC_CAPS_ATOMIC_SIZE_QP_2_BYTES    = 0x2,
@@ -2751,6 +2765,7 @@ union mlx5_ifc_hca_cap_union_bits {
        struct mlx5_ifc_fpga_cap_bits fpga_cap;
        struct mlx5_ifc_tls_cap_bits tls_cap;
        struct mlx5_ifc_device_mem_cap_bits device_mem_cap;
+       struct mlx5_ifc_device_virtio_emulation_cap_bits virtio_emulation_cap;
        u8         reserved_at_0[0x8000];
 };