vdpa/mlx5: Move some definitions to a new header file

Move some definitions from mlx5_vnet.c to newly added header file
mlx5_vnet.h. We need these definitions for the following patches that
add debugfs tree to expose information vital for debug.

Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Eli Cohen <elic@nvidia.com>
Message-Id: <20221114131759.57883-7-elic@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

drivers/vdpa/mlx5/net/mlx5_vnet.c

@@ -18,15 +18,12 @@
 #include <linux/mlx5/mlx5_ifc_vdpa.h>
 #include <linux/mlx5/mpfs.h>
 #include "mlx5_vdpa.h"
+#include "mlx5_vnet.h"
 
 MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>");
 MODULE_DESCRIPTION("Mellanox VDPA driver");
 MODULE_LICENSE("Dual BSD/GPL");
 
-#define to_mlx5_vdpa_ndev(__mvdev)                                             \
-	container_of(__mvdev, struct mlx5_vdpa_net, mvdev)
-#define to_mvdev(__vdev) container_of((__vdev), struct mlx5_vdpa_dev, vdev)
-
 #define VALID_FEATURES_MASK                                                                        \
 	(BIT_ULL(VIRTIO_NET_F_CSUM) | BIT_ULL(VIRTIO_NET_F_GUEST_CSUM) |                                   \
 	 BIT_ULL(VIRTIO_NET_F_CTRL_GUEST_OFFLOADS) | BIT_ULL(VIRTIO_NET_F_MTU) | BIT_ULL(VIRTIO_NET_F_MAC) |   \
@@ -50,14 +47,6 @@ MODULE_LICENSE("Dual BSD/GPL");
 
 #define MLX5V_UNTAGGED 0x1000
 
-struct mlx5_vdpa_net_resources {
-	u32 tisn;
-	u32 tdn;
-	u32 tirn;
-	u32 rqtn;
-	bool valid;
-};
-
 struct mlx5_vdpa_cq_buf {
 	struct mlx5_frag_buf_ctrl fbc;
 	struct mlx5_frag_buf frag_buf;
@@ -146,38 +135,6 @@ static bool is_index_valid(struct mlx5_vdpa_dev *mvdev, u16 idx)
 	return idx <= mvdev->max_idx;
 }
 
-#define MLX5V_MACVLAN_SIZE 256
-
-struct mlx5_vdpa_net {
-	struct mlx5_vdpa_dev mvdev;
-	struct mlx5_vdpa_net_resources res;
-	struct virtio_net_config config;
-	struct mlx5_vdpa_virtqueue *vqs;
-	struct vdpa_callback *event_cbs;
-
-	/* Serialize vq resources creation and destruction. This is required
-	 * since memory map might change and we need to destroy and create
-	 * resources while driver in operational.
-	 */
-	struct rw_semaphore reslock;
-	struct mlx5_flow_table *rxft;
-	bool setup;
-	u32 cur_num_vqs;
-	u32 rqt_size;
-	bool nb_registered;
-	struct notifier_block nb;
-	struct vdpa_callback config_cb;
-	struct mlx5_vdpa_wq_ent cvq_ent;
-	struct hlist_head macvlan_hash[MLX5V_MACVLAN_SIZE];
-};
-
-struct macvlan_node {
-	struct hlist_node hlist;
-	struct mlx5_flow_handle *ucast_rule;
-	struct mlx5_flow_handle *mcast_rule;
-	u64 macvlan;
-};
-
 static void free_resources(struct mlx5_vdpa_net *ndev);
 static void init_mvqs(struct mlx5_vdpa_net *ndev);
 static int setup_driver(struct mlx5_vdpa_dev *mvdev);

drivers/vdpa/mlx5/net/mlx5_vnet.h

@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
+
+#ifndef __MLX5_VNET_H__
+#define __MLX5_VNET_H__
+
+#include "mlx5_vdpa.h"
+
+#define to_mlx5_vdpa_ndev(__mvdev)                                             \
+	container_of(__mvdev, struct mlx5_vdpa_net, mvdev)
+#define to_mvdev(__vdev) container_of((__vdev), struct mlx5_vdpa_dev, vdev)
+
+struct mlx5_vdpa_net_resources {
+	u32 tisn;
+	u32 tdn;
+	u32 tirn;
+	u32 rqtn;
+	bool valid;
+};
+
+#define MLX5V_MACVLAN_SIZE 256
+
+struct mlx5_vdpa_net {
+	struct mlx5_vdpa_dev mvdev;
+	struct mlx5_vdpa_net_resources res;
+	struct virtio_net_config config;
+	struct mlx5_vdpa_virtqueue *vqs;
+	struct vdpa_callback *event_cbs;
+
+	/* Serialize vq resources creation and destruction. This is required
+	 * since memory map might change and we need to destroy and create
+	 * resources while driver in operational.
+	 */
+	struct rw_semaphore reslock;
+	struct mlx5_flow_table *rxft;
+	struct dentry *rx_dent;
+	struct dentry *rx_table_dent;
+	bool setup;
+	u32 cur_num_vqs;
+	u32 rqt_size;
+	bool nb_registered;
+	struct notifier_block nb;
+	struct vdpa_callback config_cb;
+	struct mlx5_vdpa_wq_ent cvq_ent;
+	struct hlist_head macvlan_hash[MLX5V_MACVLAN_SIZE];
+};
+
+struct macvlan_node {
+	struct hlist_node hlist;
+	struct mlx5_flow_handle *ucast_rule;
+	struct mlx5_flow_handle *mcast_rule;
+	u64 macvlan;
+};
+
+#endif /* __MLX5_VNET_H__ */