43 #include <sys/eventfd.h> 53 #include <linux/vhost.h> 54 #include <linux/virtio_ring.h> 56 #define RTE_VHOST_USER_CLIENT (1ULL << 0) 57 #define RTE_VHOST_USER_NO_RECONNECT (1ULL << 1) 58 #define RTE_VHOST_USER_DEQUEUE_ZERO_COPY (1ULL << 2) 59 #define RTE_VHOST_USER_IOMMU_SUPPORT (1ULL << 3) 66 uint64_t guest_phys_addr;
67 uint64_t guest_user_addr;
68 uint64_t host_user_addr;
83 struct rte_vhost_vring {
84 struct vring_desc *desc;
85 struct vring_avail *avail;
86 struct vring_used *used;
87 uint64_t log_guest_addr;
98 int (*new_device)(
int vid);
99 void (*destroy_device)(
int vid);
101 int (*vring_state_changed)(
int vid, uint16_t queue_id,
int enable);
109 int (*features_changed)(
int vid, uint64_t features);
111 int (*new_connection)(
int vid);
112 void (*destroy_connection)(
int vid);
133 for (i = 0; i < mem->nregions; i++) {
134 reg = &mem->regions[i];
135 if (gpa >= reg->guest_phys_addr &&
136 gpa < reg->guest_phys_addr + reg->size) {
137 return gpa - reg->guest_phys_addr +
145 #define RTE_VHOST_NEED_LOG(features) ((features) & (1ULL << VHOST_F_LOG_ALL)) 186 uint64_t offset, uint64_t len);
188 int rte_vhost_enable_guest_notification(
int vid, uint16_t queue_id,
int enable);
197 int rte_vhost_driver_unregister(
const char *path);
267 int rte_vhost_driver_callback_register(
const char *path,
386 struct rte_mbuf **pkts, uint16_t count);
437 struct rte_vhost_vring *vring);
int rte_vhost_driver_start(const char *path)
#define __rte_always_inline
int rte_vhost_driver_register(const char *path, uint64_t flags)
uint16_t rte_vhost_avail_entries(int vid, uint16_t queue_id)
int rte_vhost_driver_disable_features(const char *path, uint64_t features)
void rte_vhost_log_used_vring(int vid, uint16_t vring_idx, uint64_t offset, uint64_t len)
int rte_vhost_get_vhost_vring(int vid, uint16_t vring_idx, struct rte_vhost_vring *vring)
uint16_t rte_vhost_enqueue_burst(int vid, uint16_t queue_id, struct rte_mbuf **pkts, uint16_t count)
__rte_deprecated uint32_t rte_vhost_get_queue_num(int vid)
int rte_vhost_get_mtu(int vid, uint16_t *mtu)
uint16_t rte_vhost_get_vring_num(int vid)
int rte_vhost_get_numa_node(int vid)
int rte_vhost_get_mem_table(int vid, struct rte_vhost_memory **mem)
int rte_vhost_get_negotiated_features(int vid, uint64_t *features)
uint32_t rte_vhost_rx_queue_count(int vid, uint16_t qid)
static __rte_always_inline uint64_t rte_vhost_gpa_to_vva(struct rte_vhost_memory *mem, uint64_t gpa)
uint16_t rte_vhost_dequeue_burst(int vid, uint16_t queue_id, struct rte_mempool *mbuf_pool, struct rte_mbuf **pkts, uint16_t count)
int rte_vhost_driver_get_features(const char *path, uint64_t *features)
int rte_vhost_driver_set_features(const char *path, uint64_t features)
int rte_vhost_get_ifname(int vid, char *buf, size_t len)
int rte_vhost_driver_enable_features(const char *path, uint64_t features)
void rte_vhost_log_write(int vid, uint64_t addr, uint64_t len)