Contributors: 7
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Michael S. Tsirkin |
264 |
83.81% |
6 |
40.00% |
| Rusty Russell |
24 |
7.62% |
4 |
26.67% |
| Xuan Zhuo |
13 |
4.13% |
1 |
6.67% |
| Eugenio Pérez |
8 |
2.54% |
1 |
6.67% |
| Sekhar Nori |
3 |
0.95% |
1 |
6.67% |
| Joel Stanley |
2 |
0.63% |
1 |
6.67% |
| Greg Kroah-Hartman |
1 |
0.32% |
1 |
6.67% |
| Total |
315 |
|
15 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef LINUX_VIRTIO_H
#define LINUX_VIRTIO_H
#include <linux/scatterlist.h>
#include <linux/kernel.h>
#include <linux/spinlock.h>
struct device {
void *parent;
};
struct virtio_device {
struct device dev;
u64 features;
struct list_head vqs;
spinlock_t vqs_list_lock;
const struct virtio_config_ops *config;
};
struct virtqueue {
struct list_head list;
void (*callback)(struct virtqueue *vq);
const char *name;
struct virtio_device *vdev;
unsigned int index;
unsigned int num_free;
unsigned int num_max;
void *priv;
bool reset;
};
/* Interfaces exported by virtio_ring. */
int virtqueue_add_sgs(struct virtqueue *vq,
struct scatterlist *sgs[],
unsigned int out_sgs,
unsigned int in_sgs,
void *data,
gfp_t gfp);
int virtqueue_add_outbuf(struct virtqueue *vq,
struct scatterlist sg[], unsigned int num,
void *data,
gfp_t gfp);
int virtqueue_add_inbuf(struct virtqueue *vq,
struct scatterlist sg[], unsigned int num,
void *data,
gfp_t gfp);
bool virtqueue_kick(struct virtqueue *vq);
void *virtqueue_get_buf(struct virtqueue *vq, unsigned int *len);
void virtqueue_disable_cb(struct virtqueue *vq);
bool virtqueue_enable_cb(struct virtqueue *vq);
bool virtqueue_enable_cb_delayed(struct virtqueue *vq);
void *virtqueue_detach_unused_buf(struct virtqueue *vq);
struct virtqueue *vring_new_virtqueue(unsigned int index,
unsigned int num,
unsigned int vring_align,
struct virtio_device *vdev,
bool weak_barriers,
bool ctx,
void *pages,
bool (*notify)(struct virtqueue *vq),
void (*callback)(struct virtqueue *vq),
const char *name);
void vring_del_virtqueue(struct virtqueue *vq);
#endif