diff options
Diffstat (limited to 'lib/librte_vhost/rte_vhost.h')
| -rw-r--r-- | lib/librte_vhost/rte_vhost.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/lib/librte_vhost/rte_vhost.h b/lib/librte_vhost/rte_vhost.h index 1179f97d..7f0cb9bc 100644 --- a/lib/librte_vhost/rte_vhost.h +++ b/lib/librte_vhost/rte_vhost.h @@ -29,6 +29,40 @@ extern "C" { #define RTE_VHOST_USER_DEQUEUE_ZERO_COPY (1ULL << 2) #define RTE_VHOST_USER_IOMMU_SUPPORT (1ULL << 3) +/** Protocol features. */ +#ifndef VHOST_USER_PROTOCOL_F_MQ +#define VHOST_USER_PROTOCOL_F_MQ 0 +#endif + +#ifndef VHOST_USER_PROTOCOL_F_LOG_SHMFD +#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1 +#endif + +#ifndef VHOST_USER_PROTOCOL_F_RARP +#define VHOST_USER_PROTOCOL_F_RARP 2 +#endif + +#ifndef VHOST_USER_PROTOCOL_F_REPLY_ACK +#define VHOST_USER_PROTOCOL_F_REPLY_ACK 3 +#endif + +#ifndef VHOST_USER_PROTOCOL_F_NET_MTU +#define VHOST_USER_PROTOCOL_F_NET_MTU 4 +#endif + +#ifndef VHOST_USER_PROTOCOL_F_SLAVE_REQ +#define VHOST_USER_PROTOCOL_F_SLAVE_REQ 5 +#endif + +#ifndef VHOST_USER_PROTOCOL_F_CRYPTO_SESSION +#define VHOST_USER_PROTOCOL_F_CRYPTO_SESSION 7 +#endif + +/** Indicate whether protocol features negotiation is supported. */ +#ifndef VHOST_USER_F_PROTOCOL_FEATURES +#define VHOST_USER_F_PROTOCOL_FEATURES 30 +#endif + /** * Information relating to memory regions including offsets to * addresses in QEMUs memory file. @@ -216,6 +250,41 @@ int rte_vhost_driver_register(const char *path, uint64_t flags); int rte_vhost_driver_unregister(const char *path); /** + * Set the vdpa device id, enforce single connection per socket + * + * @param path + * The vhost-user socket file path + * @param did + * Device id + * @return + * 0 on success, -1 on failure + */ +int __rte_experimental +rte_vhost_driver_attach_vdpa_device(const char *path, int did); + +/** + * Unset the vdpa device id + * + * @param path + * The vhost-user socket file path + * @return + * 0 on success, -1 on failure + */ +int __rte_experimental +rte_vhost_driver_detach_vdpa_device(const char *path); + +/** + * Get the device id + * + * @param path + * The vhost-user socket file path + * @return + * Device id, -1 on failure + */ +int __rte_experimental +rte_vhost_driver_get_vdpa_device_id(const char *path); + +/** * Set the feature bits the vhost-user driver supports. * * @param path @@ -271,6 +340,33 @@ int rte_vhost_driver_disable_features(const char *path, uint64_t features); int rte_vhost_driver_get_features(const char *path, uint64_t *features); /** + * Get the protocol feature bits before feature negotiation. + * + * @param path + * The vhost-user socket file path + * @param protocol_features + * A pointer to store the queried protocol feature bits + * @return + * 0 on success, -1 on failure + */ +int __rte_experimental +rte_vhost_driver_get_protocol_features(const char *path, + uint64_t *protocol_features); + +/** + * Get the queue number bits before feature negotiation. + * + * @param path + * The vhost-user socket file path + * @param queue_num + * A pointer to store the queried queue number bits + * @return + * 0 on success, -1 on failure + */ +int __rte_experimental +rte_vhost_driver_get_queue_num(const char *path, uint32_t *queue_num); + +/** * Get the feature bits after negotiation * * @param vid @@ -480,6 +576,68 @@ int rte_vhost_vring_call(int vid, uint16_t vring_idx); */ uint32_t rte_vhost_rx_queue_count(int vid, uint16_t qid); +/** + * Get log base and log size of the vhost device + * + * @param vid + * vhost device ID + * @param log_base + * vhost log base + * @param log_size + * vhost log size + * @return + * 0 on success, -1 on failure + */ +int __rte_experimental +rte_vhost_get_log_base(int vid, uint64_t *log_base, uint64_t *log_size); + +/** + * Get last_avail/used_idx of the vhost virtqueue + * + * @param vid + * vhost device ID + * @param queue_id + * vhost queue index + * @param last_avail_idx + * vhost last_avail_idx to get + * @param last_used_idx + * vhost last_used_idx to get + * @return + * 0 on success, -1 on failure + */ +int __rte_experimental +rte_vhost_get_vring_base(int vid, uint16_t queue_id, + uint16_t *last_avail_idx, uint16_t *last_used_idx); + +/** + * Set last_avail/used_idx of the vhost virtqueue + * + * @param vid + * vhost device ID + * @param queue_id + * vhost queue index + * @param last_avail_idx + * last_avail_idx to set + * @param last_used_idx + * last_used_idx to set + * @return + * 0 on success, -1 on failure + */ +int __rte_experimental +rte_vhost_set_vring_base(int vid, uint16_t queue_id, + uint16_t last_avail_idx, uint16_t last_used_idx); + +/** + * Get vdpa device id for vhost device. + * + * @param vid + * vhost device id + * @return + * device id + */ +int __rte_experimental +rte_vhost_get_vdpa_device_id(int vid); + #ifdef __cplusplus } #endif |