Git Repo - qemu.git/blame_incremental

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Commit	Line	Data
	1	#ifndef VHOST_H
	2	#define VHOST_H
	3
	4	#include "hw/hw.h"
	5	#include "hw/virtio.h"
	6	#include "memory.h"
	7
	8	/* Generic structures common for any vhost based device. */
	9	struct vhost_virtqueue {
	10	int kick;
	11	int call;
	12	void *desc;
	13	void *avail;
	14	void *used;
	15	int num;
	16	unsigned long long used_phys;
	17	unsigned used_size;
	18	void *ring;
	19	unsigned long long ring_phys;
	20	unsigned ring_size;
	21	};
	22
	23	typedef unsigned long vhost_log_chunk_t;
	24	#define VHOST_LOG_PAGE 0x1000
	25	#define VHOST_LOG_BITS (8 * sizeof(vhost_log_chunk_t))
	26	#define VHOST_LOG_CHUNK (VHOST_LOG_PAGE * VHOST_LOG_BITS)
	27
	28	struct vhost_memory;
	29	struct vhost_dev {
	30	MemoryListener memory_listener;
	31	int control;
	32	struct vhost_memory *mem;
	33	int n_mem_sections;
	34	MemoryRegionSection *mem_sections;
	35	struct vhost_virtqueue *vqs;
	36	int nvqs;
	37	unsigned long long features;
	38	unsigned long long acked_features;
	39	unsigned long long backend_features;
	40	bool started;
	41	bool log_enabled;
	42	vhost_log_chunk_t *log;
	43	unsigned long long log_size;
	44	bool force;
	45	};
	46
	47	int vhost_dev_init(struct vhost_dev hdev, int devfd, const char devpath,
	48	bool force);
	49	void vhost_dev_cleanup(struct vhost_dev *hdev);
	50	bool vhost_dev_query(struct vhost_dev hdev, VirtIODevice vdev);
	51	int vhost_dev_start(struct vhost_dev hdev, VirtIODevice vdev);
	52	void vhost_dev_stop(struct vhost_dev hdev, VirtIODevice vdev);
	53	int vhost_dev_enable_notifiers(struct vhost_dev hdev, VirtIODevice vdev);
	54	void vhost_dev_disable_notifiers(struct vhost_dev hdev, VirtIODevice vdev);
	55
	56	#endif