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vfio/display: adding dmabuf support

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Wire up dmabuf-based display.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Gerd Hoffmann 2018-03-13 11:17:30 -06:00 • committed by Alex Williamson
parent 00195ba710
commit 8b818e059b
2 changed files with 194 additions and 2 deletions
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14
include/hw/vfio/vfio-common.h
View file

@ -26,6 +26,7 @@
#include "exec/memory.h"
#include "qemu/queue.h"
#include "qemu/notify.h"
#include "ui/console.h"
#ifdef CONFIG_LINUX
#include <linux/vfio.h>
#endif
@ -142,12 +143,25 @@ typedef struct VFIOGroup {
QLIST_ENTRY(VFIOGroup) container_next;
} VFIOGroup;
typedef struct VFIODMABuf {
QemuDmaBuf buf;
uint32_t pos_x, pos_y, pos_updates;
uint32_t hot_x, hot_y, hot_updates;
int dmabuf_id;
QTAILQ_ENTRY(VFIODMABuf) next;
} VFIODMABuf;
typedef struct VFIODisplay {
QemuConsole *con;
struct {
VFIORegion buffer;
DisplaySurface *surface;
} region;
struct {
QTAILQ_HEAD(, VFIODMABuf) bufs;
VFIODMABuf *primary;
VFIODMABuf *cursor;
} dmabuf;
} VFIODisplay;
void vfio_put_base_device(VFIODevice *vbasedev);