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virtio-gpu: Add helpers to create and destroy dmabuf objects

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These helpers can be useful for creating dmabuf objects from blobs
and submitting them to the UI.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Message-Id: <20210526231429.1045476-12-vivek.kasireddy@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Vivek Kasireddy 2021-05-26 16:14:26 -07:00 • committed by Gerd Hoffmann
parent 8069b73bee
commit 5752519e93
3 changed files with 89 additions and 0 deletions
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15
include/hw/virtio/virtio-gpu.h
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@ -150,6 +150,12 @@ struct VirtIOGPUBaseClass {
DEFINE_PROP_UINT32("xres", _state, _conf.xres, 1024), \
DEFINE_PROP_UINT32("yres", _state, _conf.yres, 768)
typedef struct VGPUDMABuf {
QemuDmaBuf buf;
uint32_t scanout_id;
QTAILQ_ENTRY(VGPUDMABuf) next;
} VGPUDMABuf;
struct VirtIOGPU {
VirtIOGPUBase parent_obj;
@ -178,6 +184,11 @@ struct VirtIOGPU {
uint32_t req_3d;
uint32_t bytes_3d;
} stats;
struct {
QTAILQ_HEAD(, VGPUDMABuf) bufs;
VGPUDMABuf *primary;
} dmabuf;
};
struct VirtIOGPUClass {
@ -259,6 +270,10 @@ void virtio_gpu_update_cursor_data(VirtIOGPU *g,
bool virtio_gpu_have_udmabuf(void);
void virtio_gpu_init_udmabuf(struct virtio_gpu_simple_resource *res);
void virtio_gpu_fini_udmabuf(struct virtio_gpu_simple_resource *res);
int virtio_gpu_update_dmabuf(VirtIOGPU *g,
uint32_t scanout_id,
struct virtio_gpu_simple_resource *res,
struct virtio_gpu_framebuffer *fb);
/* virtio-gpu-3d.c */
void virtio_gpu_virgl_process_cmd(VirtIOGPU *g,