X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_vhost%2Frte_vdpa.h;h=f074ec0c4a6f96be5520849e12950fda8d8e630f;hb=8fc9eaaac7181bdfc024230a63a89d550c625dd0;hp=549b0a2cb091a3750e7239dd1e99f1564c2ccdad;hpb=0f700f90ad3fffa73ef09d596c82366aea169dfe;p=dpdk.git diff --git a/lib/librte_vhost/rte_vdpa.h b/lib/librte_vhost/rte_vdpa.h index 549b0a2cb0..f074ec0c4a 100644 --- a/lib/librte_vhost/rte_vdpa.h +++ b/lib/librte_vhost/rte_vdpa.h @@ -11,13 +11,6 @@ * Device specific vhost lib */ -#include - -#include -#include "rte_vhost.h" - -#define MAX_VDPA_NAME_LEN 128 - /** Maximum name length for statistics counters */ #define RTE_VDPA_STATS_NAME_SIZE 64 @@ -49,105 +42,6 @@ struct rte_vdpa_stat_name { }; /** - * vdpa device operations - */ -struct rte_vdpa_dev_ops { - /** Get capabilities of this device */ - int (*get_queue_num)(struct rte_vdpa_device *dev, uint32_t *queue_num); - - /** Get supported features of this device */ - int (*get_features)(struct rte_vdpa_device *dev, uint64_t *features); - - /** Get supported protocol features of this device */ - int (*get_protocol_features)(struct rte_vdpa_device *dev, - uint64_t *protocol_features); - - /** Driver configure/close the device */ - int (*dev_conf)(int vid); - int (*dev_close)(int vid); - - /** Enable/disable this vring */ - int (*set_vring_state)(int vid, int vring, int state); - - /** Set features when changed */ - int (*set_features)(int vid); - - /** Destination operations when migration done */ - int (*migration_done)(int vid); - - /** Get the vfio group fd */ - int (*get_vfio_group_fd)(int vid); - - /** Get the vfio device fd */ - int (*get_vfio_device_fd)(int vid); - - /** Get the notify area info of the queue */ - int (*get_notify_area)(int vid, int qid, - uint64_t *offset, uint64_t *size); - - /** Get statistics name */ - int (*get_stats_names)(struct rte_vdpa_device *dev, - struct rte_vdpa_stat_name *stats_names, - unsigned int size); - - /** Get statistics of the queue */ - int (*get_stats)(struct rte_vdpa_device *dev, int qid, - struct rte_vdpa_stat *stats, unsigned int n); - - /** Reset statistics of the queue */ - int (*reset_stats)(struct rte_vdpa_device *dev, int qid); - - /** Reserved for future extension */ - void *reserved[2]; -}; - -/** - * vdpa device structure includes device address and device operations. - */ -struct rte_vdpa_device { - /** Generic device information */ - struct rte_device *device; - /** vdpa device operations */ - struct rte_vdpa_dev_ops *ops; -} __rte_cache_aligned; - -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Register a vdpa device - * - * @param addr - * the vdpa device address - * @param ops - * the vdpa device operations - * @return - * vDPA device pointer on success, NULL on failure - */ -__rte_experimental -struct rte_vdpa_device * -rte_vdpa_register_device(struct rte_device *rte_dev, - struct rte_vdpa_dev_ops *ops); - -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Unregister a vdpa device - * - * @param did - * vDPA device pointer - * @return - * device id on success, -1 on failure - */ -__rte_experimental -int -rte_vdpa_unregister_device(struct rte_vdpa_device *); - -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Find the device id of a vdpa device from its name * * @param name @@ -155,14 +49,10 @@ rte_vdpa_unregister_device(struct rte_vdpa_device *); * @return * vDPA device pointer on success, NULL on failure */ -__rte_experimental struct rte_vdpa_device * rte_vdpa_find_device_by_name(const char *name); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Get the generic device from the vdpa device * * @param vdpa_dev @@ -170,74 +60,49 @@ rte_vdpa_find_device_by_name(const char *name); * @return * generic device pointer on success, NULL on failure */ -__rte_experimental struct rte_device * rte_vdpa_get_rte_device(struct rte_vdpa_device *vdpa_dev); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice + * Get number of queue pairs supported by the vDPA device * - * Find the device id of a vdpa device - * - * @param addr - * the vdpa device address + * @param dev + * vDP device pointer + * @param queue_num + * pointer on where the number of queue is stored * @return - * device id on success, -1 on failure + * 0 on success, -1 on failure */ -__rte_experimental int -rte_vdpa_find_device_id(struct rte_vdpa_device *dev); +rte_vdpa_get_queue_num(struct rte_vdpa_device *dev, uint32_t *queue_num); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Find a vdpa device based on device id - * - * @param did - * device id - * @return - * rte_vdpa_device on success, NULL on failure - */ -__rte_experimental -struct rte_vdpa_device * -rte_vdpa_get_device(int did); - -/** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Get current available vdpa device number + * Get the Virtio features supported by the vDPA device * + * @param dev + * vDP device pointer + * @param features + * pointer on where the supported features are stored * @return - * available vdpa device number + * 0 on success, -1 on failure */ -__rte_experimental int -rte_vdpa_get_device_num(void); +rte_vdpa_get_features(struct rte_vdpa_device *dev, uint64_t *features); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * - * Enable/Disable host notifier mapping for a vdpa port. + * Get the Vhost-user protocol features supported by the vDPA device * - * @param vid - * vhost device id - * @param enable - * true for host notifier map, false for host notifier unmap + * @param dev + * vDP device pointer + * @param features + * pointer on where the supported protocol features are stored * @return * 0 on success, -1 on failure */ -__rte_experimental int -rte_vhost_host_notifier_ctrl(int vid, bool enable); +rte_vdpa_get_protocol_features(struct rte_vdpa_device *dev, uint64_t *features); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Synchronize the used ring from mediated ring to guest, log dirty * page for each writeable buffer, caller should handle the used * ring logging before device stop. @@ -251,14 +116,10 @@ rte_vhost_host_notifier_ctrl(int vid, bool enable); * @return * number of synced used entries on success, -1 on failure */ -__rte_experimental int rte_vdpa_relay_vring_used(int vid, uint16_t qid, void *vring_m); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Retrieve names of statistics of a vDPA device. * * There is an assumption that 'stat_names' and 'stats' arrays are matched @@ -278,16 +139,12 @@ rte_vdpa_relay_vring_used(int vid, uint16_t qid, void *vring_m); * A negative value on error, otherwise the number of entries filled in the * stats name array. */ -__rte_experimental int rte_vdpa_get_stats_names(struct rte_vdpa_device *dev, struct rte_vdpa_stat_name *stats_names, unsigned int size); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Retrieve statistics of a vDPA device. * * There is an assumption that 'stat_names' and 'stats' arrays are matched @@ -309,14 +166,10 @@ rte_vdpa_get_stats_names(struct rte_vdpa_device *dev, * A negative value on error, otherwise the number of entries filled in the * stats table. */ -__rte_experimental int rte_vdpa_get_stats(struct rte_vdpa_device *dev, uint16_t qid, struct rte_vdpa_stat *stats, unsigned int n); /** - * @warning - * @b EXPERIMENTAL: this API may change without prior notice - * * Reset statistics of a vDPA device. * * @param dev @@ -326,7 +179,6 @@ rte_vdpa_get_stats(struct rte_vdpa_device *dev, uint16_t qid, * @return * 0 on success, a negative value on error. */ -__rte_experimental int rte_vdpa_reset_stats(struct rte_vdpa_device *dev, uint16_t qid); #endif /* _RTE_VDPA_H_ */