#define _VIRTIO_USER_DEV_H
#include <limits.h>
-#include "../virtio_pci.h"
+#include <stdbool.h>
+
+#include "../virtio.h"
#include "../virtio_ring.h"
-#include "vhost.h"
-struct virtio_user_dev {
- /* for vhost_user backend */
- int vhostfd;
+enum virtio_user_backend_type {
+ VIRTIO_USER_BACKEND_UNKNOWN,
+ VIRTIO_USER_BACKEND_VHOST_USER,
+ VIRTIO_USER_BACKEND_VHOST_KERNEL,
+ VIRTIO_USER_BACKEND_VHOST_VDPA,
+};
- /* for vhost_kernel backend */
- char *ifname;
- int *vhostfds;
- int *tapfds;
+struct virtio_user_queue {
+ uint16_t used_idx;
+ bool avail_wrap_counter;
+ bool used_wrap_counter;
+};
+
+struct virtio_user_dev {
+ struct virtio_hw hw;
+ enum virtio_user_backend_type backend_type;
+ bool is_server; /* server or client mode */
- /* for both vhost_user and vhost_kernel */
int callfds[VIRTIO_MAX_VIRTQUEUES];
int kickfds[VIRTIO_MAX_VIRTQUEUES];
int mac_specified;
* and will be sync with device
*/
uint64_t device_features; /* supported features by device */
+ uint64_t frontend_features; /* enabled frontend features */
+ uint64_t unsupported_features; /* unsupported features mask */
uint8_t status;
+ uint16_t net_status;
uint16_t port_id;
- uint8_t mac_addr[ETHER_ADDR_LEN];
+ uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
char path[PATH_MAX];
- struct vring vrings[VIRTIO_MAX_VIRTQUEUES];
+ char *ifname;
+
+ union {
+ struct vring vrings[VIRTIO_MAX_VIRTQUEUES];
+ struct vring_packed packed_vrings[VIRTIO_MAX_VIRTQUEUES];
+ };
+ struct virtio_user_queue packed_queues[VIRTIO_MAX_VIRTQUEUES];
+ bool qp_enabled[VIRTIO_MAX_VIRTQUEUE_PAIRS];
+
struct virtio_user_backend_ops *ops;
+ pthread_mutex_t mutex;
+ bool started;
+
+ void *backend_data;
};
-int is_vhost_user_by_type(const char *path);
+int virtio_user_dev_set_features(struct virtio_user_dev *dev);
int virtio_user_start_device(struct virtio_user_dev *dev);
int virtio_user_stop_device(struct virtio_user_dev *dev);
int virtio_user_dev_init(struct virtio_user_dev *dev, char *path, int queues,
- int cq, int queue_size, const char *mac, char **ifname);
+ int cq, int queue_size, const char *mac, char **ifname,
+ int server, int mrg_rxbuf, int in_order,
+ int packed_vq,
+ enum virtio_user_backend_type backend_type);
void virtio_user_dev_uninit(struct virtio_user_dev *dev);
void virtio_user_handle_cq(struct virtio_user_dev *dev, uint16_t queue_idx);
+void virtio_user_handle_cq_packed(struct virtio_user_dev *dev,
+ uint16_t queue_idx);
+uint8_t virtio_user_handle_mq(struct virtio_user_dev *dev, uint16_t q_pairs);
+int virtio_user_dev_set_status(struct virtio_user_dev *dev, uint8_t status);
+int virtio_user_dev_update_status(struct virtio_user_dev *dev);
+int virtio_user_dev_update_link_state(struct virtio_user_dev *dev);
+void virtio_user_dev_delayed_handler(void *param);
+int virtio_user_dev_server_reconnect(struct virtio_user_dev *dev);
+extern const char * const virtio_user_backend_strings[];
#endif