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34 #ifndef _VHOST_NET_CDEV_H_
35 #define _VHOST_NET_CDEV_H_
38 #include <sys/types.h>
40 #include <linux/vhost.h>
44 #include "rte_virtio_net.h"
46 /* Macros for printing using RTE_LOG */
47 #define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
48 #define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER1
50 #ifdef RTE_LIBRTE_VHOST_DEBUG
51 #define VHOST_MAX_PRINT_BUFF 6072
52 #define LOG_LEVEL RTE_LOG_DEBUG
53 #define LOG_DEBUG(log_type, fmt, args...) RTE_LOG(DEBUG, log_type, fmt, ##args)
54 #define PRINT_PACKET(device, addr, size, header) do { \
55 char *pkt_addr = (char *)(addr); \
57 char packet[VHOST_MAX_PRINT_BUFF]; \
60 snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%" PRIu64 ") Header size %d: ", (device->device_fh), (size)); \
62 snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%" PRIu64 ") Packet size %d: ", (device->device_fh), (size)); \
63 for (index = 0; index < (size); index++) { \
64 snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF), VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), \
65 "%02hhx ", pkt_addr[index]); \
67 snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF), VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), "\n"); \
69 LOG_DEBUG(VHOST_DATA, "%s", packet); \
72 #define LOG_LEVEL RTE_LOG_INFO
73 #define LOG_DEBUG(log_type, fmt, args...) do {} while (0)
74 #define PRINT_PACKET(device, addr, size, header) do {} while (0)
79 * Structure used to identify device context.
81 struct vhost_device_ctx {
82 pid_t pid; /* PID of process calling the IOCTL. */
83 uint64_t fh; /* Populated with fi->fh to track the device index. */
86 int vhost_new_device(struct vhost_device_ctx);
87 void vhost_destroy_device(struct vhost_device_ctx);
89 void vhost_set_ifname(struct vhost_device_ctx,
90 const char *if_name, unsigned int if_len);
92 int vhost_get_features(struct vhost_device_ctx, uint64_t *);
93 int vhost_set_features(struct vhost_device_ctx, uint64_t *);
95 int vhost_set_vring_num(struct vhost_device_ctx, struct vhost_vring_state *);
96 int vhost_set_vring_addr(struct vhost_device_ctx, struct vhost_vring_addr *);
97 int vhost_set_vring_base(struct vhost_device_ctx, struct vhost_vring_state *);
98 int vhost_get_vring_base(struct vhost_device_ctx,
99 uint32_t, struct vhost_vring_state *);
101 int vhost_set_vring_kick(struct vhost_device_ctx, struct vhost_vring_file *);
102 int vhost_set_vring_call(struct vhost_device_ctx, struct vhost_vring_file *);
104 int vhost_set_backend(struct vhost_device_ctx, struct vhost_vring_file *);
106 int vhost_set_owner(struct vhost_device_ctx);
107 int vhost_reset_owner(struct vhost_device_ctx);
110 * Backend-specific cleanup. Defined by vhost-cuse and vhost-user.
112 void vhost_backend_cleanup(struct virtio_net *dev);
114 #endif /* _VHOST_NET_CDEV_H_ */