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-rw-r--r--include/drm/drm.h10
-rw-r--r--xf86drm.c31
-rw-r--r--xf86drm.h3
3 files changed, 41 insertions, 3 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h
index 42133bced..a847689f2 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -685,6 +685,9 @@ struct drm_prime_handle {
#define DRM_IOCTL_UNLOCK DRM_IOW( 0x2b, struct drm_lock)
#define DRM_IOCTL_FINISH DRM_IOW( 0x2c, struct drm_lock)
+#define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle)
+#define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle)
+
#define DRM_IOCTL_AGP_ACQUIRE DRM_IO( 0x30)
#define DRM_IOCTL_AGP_RELEASE DRM_IO( 0x31)
#define DRM_IOCTL_AGP_ENABLE DRM_IOW( 0x32, struct drm_agp_mode)
@@ -697,9 +700,6 @@ struct drm_prime_handle {
#define DRM_IOCTL_SG_ALLOC DRM_IOWR(0x38, struct drm_scatter_gather)
#define DRM_IOCTL_SG_FREE DRM_IOW( 0x39, struct drm_scatter_gather)
-#define DRM_IOCTL_PRIME_HANDLE_TO_FD DRM_IOWR(0x2d, struct drm_prime_handle)
-#define DRM_IOCTL_PRIME_FD_TO_HANDLE DRM_IOWR(0x2e, struct drm_prime_handle)
-
#define DRM_IOCTL_WAIT_VBLANK DRM_IOWR(0x3a, union drm_wait_vblank)
#define DRM_IOCTL_UPDATE_DRAW DRM_IOW(0x3f, struct drm_update_draw)
@@ -778,6 +778,10 @@ struct drm_event_vblank {
#define DRM_CAP_VBLANK_HIGH_CRTC 0x2
#define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3
#define DRM_CAP_DUMB_PREFER_SHADOW 0x4
+#define DRM_CAP_PRIME 0x5
+
+#define DRM_PRIME_CAP_IMPORT 0x1
+#define DRM_PRIME_CAP_EXPORT 0x2
/* typedef area */
typedef struct drm_clip_rect drm_clip_rect_t;
diff --git a/xf86drm.c b/xf86drm.c
index 6ea068f46..2a74c807c 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -2542,3 +2542,34 @@ char *drmGetDeviceNameFromFd(int fd)
return strdup(name);
}
+
+int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd)
+{
+ struct drm_prime_handle args;
+ int ret;
+
+ args.handle = handle;
+ args.flags = flags;
+ ret = drmIoctl(fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args);
+ if (ret)
+ return ret;
+
+ *prime_fd = args.fd;
+ return 0;
+}
+
+int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle)
+{
+ struct drm_prime_handle args;
+ int ret;
+
+ args.fd = prime_fd;
+ args.flags = 0;
+ ret = drmIoctl(fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args);
+ if (ret)
+ return ret;
+
+ *handle = args.handle;
+ return 0;
+}
+
diff --git a/xf86drm.h b/xf86drm.h
index 76eb94e2b..5ecb28465 100644
--- a/xf86drm.h
+++ b/xf86drm.h
@@ -727,6 +727,9 @@ extern int drmHandleEvent(int fd, drmEventContextPtr evctx);
extern char *drmGetDeviceNameFromFd(int fd);
+extern int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd);
+extern int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle);
+
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif