15 #ifndef __VIRTIO_VHOST_USER_H__ 16 #define __VIRTIO_VHOST_USER_H__ 19 #define VHOST_MEMORY_MAX_NREGIONS 8 20 #define VHOST_USER_MSG_HDR_SZ 12 21 #define VHOST_VRING_MAX_SIZE 32768 22 #define VHOST_VRING_MAX_N 16 //8TX + 8RX 23 #define VHOST_VRING_IDX_RX(qid) (2*qid) 24 #define VHOST_VRING_IDX_TX(qid) (2*qid + 1) 26 #define VHOST_USER_VRING_NOFD_MASK 0x100 27 #define VIRTQ_DESC_F_NEXT 1 28 #define VIRTQ_DESC_F_INDIRECT 4 29 #define VHOST_USER_REPLY_MASK (0x1 << 2) 31 #define VHOST_USER_PROTOCOL_F_MQ 0 32 #define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1 33 #define VHOST_VRING_F_LOG 0 35 #define VHOST_USER_F_PROTOCOL_FEATURES 30 36 #define VHOST_USER_PROTOCOL_FEATURES ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \ 37 (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD)) 40 #define VIRTIO_NET_CTRL_MQ 4 41 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET 0 42 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MIN 1 43 #define VIRTIO_NET_CTRL_MQ_VQ_PAIRS_MAX 0x8000 45 #define VRING_USED_F_NO_NOTIFY 1 46 #define VRING_AVAIL_F_NO_INTERRUPT 1 48 #define foreach_virtio_net_feature \ 49 _ (VIRTIO_NET_F_MRG_RXBUF, 15) \ 50 _ (VIRTIO_NET_F_CTRL_VQ, 17) \ 51 _ (VIRTIO_NET_F_GUEST_ANNOUNCE, 21) \ 52 _ (VIRTIO_NET_F_MQ, 22) \ 53 _ (VHOST_F_LOG_ALL, 26) \ 54 _ (VIRTIO_F_ANY_LAYOUT, 27) \ 55 _ (VIRTIO_F_INDIRECT_DESC, 28) \ 56 _ (VHOST_USER_F_PROTOCOL_FEATURES, 30) \ 57 _ (VIRTIO_F_VERSION_1, 32) 62 #define _(f,n) FEAT_##f = (n), 68 const char *sock_filename,
u8 is_server,
69 u32 * sw_if_index,
u64 feature_mask,
70 u8 renumber,
u32 custom_dev_instance,
u8 * hwaddr);
72 const char *sock_filename,
u8 is_server,
73 u32 sw_if_index,
u64 feature_mask,
74 u8 renumber,
u32 custom_dev_instance);
85 } __attribute ((packed)) vhost_user_memory_region_t;
92 } __attribute ((packed)) vhost_user_memory_t;
97 } __attribute ((packed)) vhost_vring_state_t;
102 u64 desc_user_addr, used_user_addr, avail_user_addr, log_guest_addr;
103 } __attribute ((packed)) vhost_vring_addr_t;
109 } __attribute ((packed)) vhost_user_log_t;
142 } __attribute ((packed)) vring_desc_t;
147 volatile uint16_t idx;
149 } __attribute ((packed)) vring_avail_t;
160 } __attribute ((packed)) vring_used_t;
170 } __attribute ((packed)) virtio_net_hdr_t;
173 virtio_net_hdr_t hdr;
175 } __attribute ((packed)) virtio_net_hdr_mrg_rxbuf_t;
189 } __attribute ((packed)) vhost_user_msg_t;
217 #define VHOST_USER_EVENT_START_TIMER 1 218 #define VHOST_USER_EVENT_STOP_TIMER 2 227 char sock_filename[256];
276 virtio_net_hdr_mrg_rxbuf_t
hdr;
280 #define VHOST_USER_RX_BUFFERS_N (2 * VLIB_FRAME_SIZE + 2) 281 #define VHOST_USER_COPY_ARRAY_N (4 * VLIB_FRAME_SIZE) 326 u8 sock_filename[256];
#define CLIB_CACHE_LINE_ALIGN_MARK(mark)
u32 virtio_ring_flags
The device index.
virtio_net_hdr_mrg_rxbuf_t hdr
Length of the first data descriptor.
vhost_cpu_t * cpus
Per-CPU data for vhost-user.
enum vhost_user_req vhost_user_req_t
vhost_vring_state_t state
vhost_trace_t * current_trace
#define VHOST_VRING_MAX_SIZE
#define foreach_virtio_net_feature
u32 random
Pseudo random iterator.
int vhost_user_modify_if(vnet_main_t *vnm, vlib_main_t *vm, const char *sock_filename, u8 is_server, u32 sw_if_index, u64 feature_mask, u8 renumber, u32 custom_dev_instance)
u32 * show_dev_instance_by_real_dev_instance
u16 device_index
The interface queue index (Not the virtio vring idx)
vhost_user_intf_t * vhost_user_interfaces
#define VHOST_USER_COPY_ARRAY_N
int vhost_user_create_if(vnet_main_t *vnm, vlib_main_t *vm, const char *sock_filename, u8 is_server, u32 *sw_if_index, u64 feature_mask, u8 renumber, u32 custom_dev_instance, u8 *hwaddr)
#define VHOST_MEMORY_MAX_NREGIONS
u16 first_desc_len
Runtime queue flags.
vhost_user_memory_region_t regions[VHOST_MEMORY_MAX_NREGIONS]
int vhost_user_delete_if(vnet_main_t *vnm, vlib_main_t *vm, u32 sw_if_index)
mhash_t if_index_by_sock_name
#define VHOST_USER_RX_BUFFERS_N
#define VHOST_VRING_MAX_N
int vhost_user_dump_ifs(vnet_main_t *vnm, vlib_main_t *vm, vhost_user_intf_details_t **out_vuids)
vhost_user_memory_t memory
int dont_dump_vhost_user_memory