net/mlx5: Port module event hardware structures

Add hardware structures and constants definitions needed for module
events support.

Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/mlx5/device.h

@@ -277,6 +277,7 @@ enum mlx5_event {
 	MLX5_EVENT_TYPE_INTERNAL_ERROR	   = 0x08,
 	MLX5_EVENT_TYPE_PORT_CHANGE	   = 0x09,
 	MLX5_EVENT_TYPE_GPIO_EVENT	   = 0x15,
+	MLX5_EVENT_TYPE_PORT_MODULE_EVENT  = 0x16,
 	MLX5_EVENT_TYPE_REMOTE_CONFIG	   = 0x19,
 
 	MLX5_EVENT_TYPE_DB_BF_CONGESTION   = 0x1a,
@@ -552,6 +553,15 @@ struct mlx5_eqe_vport_change {
 	__be32		rsvd1[6];
 } __packed;
 
+struct mlx5_eqe_port_module {
+	u8        reserved_at_0[1];
+	u8        module;
+	u8        reserved_at_2[1];
+	u8        module_status;
+	u8        reserved_at_4[2];
+	u8        error_type;
+} __packed;
+
 union ev_data {
 	__be32				raw[7];
 	struct mlx5_eqe_cmd		cmd;
@@ -565,6 +575,7 @@ union ev_data {
 	struct mlx5_eqe_page_req	req_pages;
 	struct mlx5_eqe_page_fault	page_fault;
 	struct mlx5_eqe_vport_change	vport_change;
+	struct mlx5_eqe_port_module	port_module;
 } __packed;
 
 struct mlx5_eqe {

include/linux/mlx5/mlx5_ifc.h

@@ -824,7 +824,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8	   early_vf_enable[0x1];
 	u8         reserved_at_1a9[0x2];
 	u8         local_ca_ack_delay[0x5];
-	u8         reserved_at_1af[0x2];
+	u8         port_module_event[0x1];
+	u8         reserved_at_1b0[0x1];
 	u8         ports_check[0x1];
 	u8         reserved_at_1b2[0x1];
 	u8         disable_link_up[0x1];

include/linux/mlx5/port.h

@@ -94,6 +94,9 @@ enum mlx5e_link_mode {
 
 #define MLX5E_PROT_MASK(link_mode) (1 << link_mode)
 
+#define PORT_MODULE_EVENT_MODULE_STATUS_MASK 0xF
+#define PORT_MODULE_EVENT_ERROR_TYPE_MASK         0xF
+
 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps);
 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
 			 int ptys_size, int proto_mask, u8 local_port);