net/virtio: add device config support to vDPA

[dpdk.git] / drivers / net / virtio / virtio_user / vhost.h

diff --git a/drivers/net/virtio/virtio_user/vhost.h b/drivers/net/virtio/virtio_user/vhost.h
index 6294b8a..dfbf6be 100644 (file)
--- a/drivers/net/virtio/virtio_user/vhost.h
+++ b/drivers/net/virtio/virtio_user/vhost.h
@@ -46,48 +46,6 @@ struct vhost_vring_addr {
        uint64_t log_guest_addr;
 };
 
-#ifndef VHOST_USER_F_PROTOCOL_FEATURES
-#define VHOST_USER_F_PROTOCOL_FEATURES 30
-#endif
-
-/** Protocol features. */
-#ifndef VHOST_USER_PROTOCOL_F_MQ
-#define VHOST_USER_PROTOCOL_F_MQ 0
-#endif
-
-#ifndef VHOST_USER_PROTOCOL_F_REPLY_ACK
-#define VHOST_USER_PROTOCOL_F_REPLY_ACK 3
-#endif
-
-#ifndef VHOST_USER_PROTOCOL_F_STATUS
-#define VHOST_USER_PROTOCOL_F_STATUS 16
-#endif
-
-enum vhost_user_request {
-       VHOST_USER_NONE = 0,
-       VHOST_USER_GET_FEATURES = 1,
-       VHOST_USER_SET_FEATURES = 2,
-       VHOST_USER_SET_OWNER = 3,
-       VHOST_USER_RESET_OWNER = 4,
-       VHOST_USER_SET_MEM_TABLE = 5,
-       VHOST_USER_SET_LOG_BASE = 6,
-       VHOST_USER_SET_LOG_FD = 7,
-       VHOST_USER_SET_VRING_NUM = 8,
-       VHOST_USER_SET_VRING_ADDR = 9,
-       VHOST_USER_SET_VRING_BASE = 10,
-       VHOST_USER_GET_VRING_BASE = 11,
-       VHOST_USER_SET_VRING_KICK = 12,
-       VHOST_USER_SET_VRING_CALL = 13,
-       VHOST_USER_SET_VRING_ERR = 14,
-       VHOST_USER_GET_PROTOCOL_FEATURES = 15,
-       VHOST_USER_SET_PROTOCOL_FEATURES = 16,
-       VHOST_USER_GET_QUEUE_NUM = 17,
-       VHOST_USER_SET_VRING_ENABLE = 18,
-       VHOST_USER_SET_STATUS = 39,
-       VHOST_USER_GET_STATUS = 40,
-       VHOST_USER_MAX
-};
-
 #ifndef VHOST_BACKEND_F_IOTLB_MSG_V2
 #define VHOST_BACKEND_F_IOTLB_MSG_V2 1
 #endif
@@ -107,11 +65,11 @@ struct virtio_user_dev;
 
 struct virtio_user_backend_ops {
        int (*setup)(struct virtio_user_dev *dev);
+       int (*destroy)(struct virtio_user_dev *dev);
+       int (*get_backend_features)(uint64_t *features);
        int (*set_owner)(struct virtio_user_dev *dev);
        int (*get_features)(struct virtio_user_dev *dev, uint64_t *features);
        int (*set_features)(struct virtio_user_dev *dev, uint64_t features);
-       int (*get_protocol_features)(struct virtio_user_dev *dev, uint64_t *features);
-       int (*set_protocol_features)(struct virtio_user_dev *dev, uint64_t features);
        int (*set_memory_table)(struct virtio_user_dev *dev);
        int (*set_vring_num)(struct virtio_user_dev *dev, struct vhost_vring_state *state);
        int (*set_vring_base)(struct virtio_user_dev *dev, struct vhost_vring_state *state);
@@ -121,9 +79,16 @@ struct virtio_user_backend_ops {
        int (*set_vring_addr)(struct virtio_user_dev *dev, struct vhost_vring_addr *addr);
        int (*get_status)(struct virtio_user_dev *dev, uint8_t *status);
        int (*set_status)(struct virtio_user_dev *dev, uint8_t status);
+       int (*get_config)(struct virtio_user_dev *dev, uint8_t *data, uint32_t off, uint32_t len);
+       int (*set_config)(struct virtio_user_dev *dev, const uint8_t *data, uint32_t off,
+                       uint32_t len);
        int (*enable_qp)(struct virtio_user_dev *dev, uint16_t pair_idx, int enable);
        int (*dma_map)(struct virtio_user_dev *dev, void *addr, uint64_t iova, size_t len);
        int (*dma_unmap)(struct virtio_user_dev *dev, void *addr, uint64_t iova, size_t len);
+       int (*update_link_state)(struct virtio_user_dev *dev);
+       int (*server_disconnect)(struct virtio_user_dev *dev);
+       int (*server_reconnect)(struct virtio_user_dev *dev);
+       int (*get_intr_fd)(struct virtio_user_dev *dev);
 };
 
 extern struct virtio_user_backend_ops virtio_ops_user;