extern "C" {
#endif
+#ifndef __cplusplus
/* These are not C++-aware. */
#include <linux/vhost.h>
#include <linux/virtio_ring.h>
#include <linux/virtio_net.h>
+#endif
#define RTE_VHOST_USER_CLIENT (1ULL << 0)
#define RTE_VHOST_USER_NO_RECONNECT (1ULL << 1)
#define VHOST_USER_F_PROTOCOL_FEATURES 30
#endif
+#define RTE_MAX_VHOST_DEVICE 1024
+
struct rte_vdpa_device;
/**
/**
* Device and vring operations.
*/
-struct vhost_device_ops {
+struct rte_vhost_device_ops {
int (*new_device)(int vid); /**< Add device. */
void (*destroy_device)(int vid); /**< Remove device. */
void *reserved[1]; /**< Reserved for future extension */
};
+/**
+ * Power monitor condition.
+ */
+struct rte_vhost_power_monitor_cond {
+ /**< Address to monitor for changes */
+ volatile void *addr;
+ /**< If the `mask` is non-zero, location pointed
+ * to by `addr` will be read and masked, then
+ * compared with this value.
+ */
+ uint64_t val;
+ /**< 64-bit mask to extract value read from `addr` */
+ uint64_t mask;
+ /**< Data size (in bytes) that will be read from the
+ * monitored memory location (`addr`).
+ */
+ uint8_t size;
+ /**< If 1, and masked value that read from 'addr' equals
+ * 'val', the driver should skip core sleep. If 0, and
+ * masked value that read from 'addr' does not equal 'val',
+ * the driver should skip core sleep.
+ */
+ uint8_t match;
+};
+
/**
* Convert guest physical address to host virtual address
*
/* Register callbacks. */
int rte_vhost_driver_callback_register(const char *path,
- struct vhost_device_ops const * const ops);
+ struct rte_vhost_device_ops const * const ops);
/**
*
/**
* Set split inflight descriptor.
*
- * This function save descriptors that has been comsumed in available
+ * This function save descriptors that has been consumed in available
* ring
*
* @param vid
/**
* Set packed inflight descriptor and get corresponding inflight entry
*
- * This function save descriptors that has been comsumed
+ * This function save descriptors that has been consumed
*
* @param vid
* vhost device ID
*/
uint32_t rte_vhost_rx_queue_count(int vid, uint16_t qid);
+/**
+ * Get power monitor address of the vhost device
+ *
+ * @param vid
+ * vhost device ID
+ * @param queue_id
+ * vhost queue ID
+ * @param pmc
+ * power monitor condition
+ * @return
+ * 0 on success, -1 on failure
+ */
+__rte_experimental
+int
+rte_vhost_get_monitor_addr(int vid, uint16_t queue_id,
+ struct rte_vhost_power_monitor_cond *pmc);
+
/**
* Get log base and log size of the vhost device
*