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/*
* Virtio vhost-user GPU Device
*
* GBM helpers
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef VHOST_USER_GPU_VUGBM_H
#define VHOST_USER_GPU_VUGBM_H
#ifdef CONFIG_MEMFD
#include <sys/ioctl.h>
#endif
#ifdef CONFIG_GBM
#include <gbm.h>
#endif
struct vugbm_buffer;
struct vugbm_device {
bool inited;
int fd;
#ifdef CONFIG_GBM
struct gbm_device *dev;
#endif
bool (*alloc_bo)(struct vugbm_buffer *buf);
void (*free_bo)(struct vugbm_buffer *buf);
bool (*get_fd)(struct vugbm_buffer *buf, int *fd);
bool (*map_bo)(struct vugbm_buffer *buf);
void (*unmap_bo)(struct vugbm_buffer *buf);
void (*device_destroy)(struct vugbm_device *dev);
};
struct vugbm_buffer {
struct vugbm_device *dev;
#ifdef CONFIG_MEMFD
int memfd;
#endif
#ifdef CONFIG_GBM
struct gbm_bo *bo;
void *mmap_data;
#endif
uint8_t *mmap;
uint32_t width;
uint32_t height;
uint32_t stride;
uint32_t format;
};
void vugbm_device_init(struct vugbm_device *dev, int fd);
void vugbm_device_destroy(struct vugbm_device *dev);
bool vugbm_buffer_create(struct vugbm_buffer *buffer, struct vugbm_device *dev,
uint32_t width, uint32_t height);
bool vugbm_buffer_can_get_dmabuf_fd(struct vugbm_buffer *buffer);
bool vugbm_buffer_get_dmabuf_fd(struct vugbm_buffer *buffer, int *fd);
void vugbm_buffer_destroy(struct vugbm_buffer *buffer);
#endif
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