* Device specific vhost lib
*/
-#include <stdbool.h>
-
-#include <rte_pci.h>
-#include "rte_vhost.h"
-
-#define MAX_VDPA_NAME_LEN 128
+#include <stdint.h>
/** Maximum name length for statistics counters */
#define RTE_VDPA_STATS_NAME_SIZE 64
};
/**
- * 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 {
- TAILQ_ENTRY(rte_vdpa_device) next;
- /** 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
* @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
* @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
- *
- * Enable/Disable host notifier mapping for a vdpa port.
- *
- * @param vid
- * vhost device id
- * @param enable
- * true for host notifier map, false for host notifier unmap
- * @return
- * 0 on success, -1 on failure
- */
-__rte_experimental
-int
-rte_vhost_host_notifier_ctrl(int vid, bool enable);
-
-/**
- * @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.
- *
- * @param vid
- * vhost device id
- * @param qid
- * vhost queue id
- * @param vring_m
- * mediated virtio ring pointer
- * @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
- *
* Get number of queue pairs supported by the vDPA device
*
* @param dev
* @return
* 0 on success, -1 on failure
*/
-__rte_experimental
int
rte_vdpa_get_queue_num(struct rte_vdpa_device *dev, uint32_t *queue_num);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Get the Virtio features supported by the vDPA device
*
* @param dev
* @return
* 0 on success, -1 on failure
*/
-__rte_experimental
int
rte_vdpa_get_features(struct rte_vdpa_device *dev, uint64_t *features);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Get the Vhost-user protocol features supported by the vDPA device
*
* @param dev
* @return
* 0 on success, -1 on failure
*/
-__rte_experimental
int
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.
* @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
* 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
* 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
* @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_ */
git.droids-corp.org / dpdk.git / blobdiff