Blame - tools/virtio/linux/virtio.h - kernel/msm-4.19

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Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	1	#ifndef LINUX_VIRTIO_H
				2	#define LINUX_VIRTIO_H
Rusty Russell	61d0b5a	2013-03-18 13:22:19 +1030	[diff] [blame]	3	#include <linux/scatterlist.h>
				4	#include <linux/kernel.h>
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	5
Michael S. Tsirkin	6be3ffa	2016-08-15 04:50:55 +0300	[diff] [blame]	6	struct device {
				7	void *parent;
				8	};
				9
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	10	struct virtio_device {
Michael S. Tsirkin	6be3ffa	2016-08-15 04:50:55 +0300	[diff] [blame]	11	struct device dev;
Michael S. Tsirkin	d025477	2014-10-07 16:39:43 +0200	[diff] [blame]	12	u64 features;
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	13	};
				14
				15	struct virtqueue {
				16	/* TODO: commented as list macros are empty stubs for now.
				17	* Broken but enough for virtio_ring.c
				18	* struct list_head list; */
				19	void (callback)(struct virtqueue vq);
				20	const char *name;
				21	struct virtio_device *vdev;
Michael S. Tsirkin	73640c9	2013-03-18 13:22:18 +1030	[diff] [blame]	22	unsigned int index;
				23	unsigned int num_free;
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	24	void *priv;
				25	};
				26
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	27	/* Interfaces exported by virtio_ring. */
Rusty Russell	13816c7	2013-03-20 15:37:09 +1030	[diff] [blame]	28	int virtqueue_add_sgs(struct virtqueue *vq,
				29	struct scatterlist *sgs[],
				30	unsigned int out_sgs,
				31	unsigned int in_sgs,
				32	void *data,
				33	gfp_t gfp);
				34
Rusty Russell	e538eba	2013-03-20 15:44:26 +1030	[diff] [blame]	35	int virtqueue_add_outbuf(struct virtqueue *vq,
				36	struct scatterlist sg[], unsigned int num,
				37	void *data,
				38	gfp_t gfp);
				39
				40	int virtqueue_add_inbuf(struct virtqueue *vq,
				41	struct scatterlist sg[], unsigned int num,
				42	void *data,
				43	gfp_t gfp);
				44
Joel Stanley	d1b8c4c	2014-02-13 15:03:44 +1030	[diff] [blame]	45	bool virtqueue_kick(struct virtqueue *vq);
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	46
				47	void virtqueue_get_buf(struct virtqueue vq, unsigned int *len);
				48
				49	void virtqueue_disable_cb(struct virtqueue *vq);
				50
				51	bool virtqueue_enable_cb(struct virtqueue *vq);
Michael S. Tsirkin	64d0988	2012-04-16 10:11:12 -0400	[diff] [blame]	52	bool virtqueue_enable_cb_delayed(struct virtqueue *vq);
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	53
				54	void virtqueue_detach_unused_buf(struct virtqueue vq);
Michael S. Tsirkin	73640c9	2013-03-18 13:22:18 +1030	[diff] [blame]	55	struct virtqueue *vring_new_virtqueue(unsigned int index,
				56	unsigned int num,
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	57	unsigned int vring_align,
				58	struct virtio_device *vdev,
Rusty Russell	7b21e34	2012-01-12 15:44:42 +1030	[diff] [blame]	59	bool weak_barriers,
Sekhar Nori	0a12ae4	2017-04-17 16:42:15 +0530	[diff] [blame]	60	bool ctx,
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	61	void *pages,
Joel Stanley	d1b8c4c	2014-02-13 15:03:44 +1030	[diff] [blame]	62	bool (notify)(struct virtqueue vq),
Michael S. Tsirkin	4e53f78	2010-11-29 19:16:37 +0200	[diff] [blame]	63	void (callback)(struct virtqueue vq),
				64	const char *name);
				65	void vring_del_virtqueue(struct virtqueue *vq);
				66
				67	#endif