Signed-off-by: Daniel Stone <daniels at collabora.com>
---
include/drm/drm.h | 2 ++
include/drm/drm_mode.h | 21 +++++++++++++++++++++
xf86drmMode.c | 31 +++++++++++++++++++++++++++++++
xf86drmMode.h | 5 +++++
4 files changed, 59 insertions(+)
diff --git a/include/drm/drm.h b/include/drm/drm.h
index 0b1d2ef..15d4454 100644
--- a/include/drm/drm.h
+++ b/include/drm/drm.h
@@ -766,6 +766,8 @@ struct drm_prime_handle {
#define DRM_IOCTL_MODE_OBJ_SETPROPERTY DRM_IOWR(0xBA, struct
drm_mode_obj_set_property)
#define DRM_IOCTL_MODE_CURSOR2 DRM_IOWR(0xBB, struct drm_mode_cursor2)
#define DRM_IOCTL_MODE_ATOMIC DRM_IOWR(0xBC, struct drm_mode_atomic)
+#define DRM_IOCTL_MODE_CREATEPROPBLOB DRM_IOWR(0xBD, struct
drm_mode_create_blob)
+#define DRM_IOCTL_MODE_DESTROYPROPBLOB DRM_IOWR(0xBE, struct
drm_mode_destroy_blob)
/**
* Device specific ioctls should only be in their respective headers
diff --git a/include/drm/drm_mode.h b/include/drm/drm_mode.h
index 66f856f..69c1ac3 100644
--- a/include/drm/drm_mode.h
+++ b/include/drm/drm_mode.h
@@ -523,4 +523,25 @@ struct drm_mode_atomic {
__u64 user_data;
};
+/**
+ * Create a new 'blob' data property, copying length bytes from data pointer,
+ * and returning new blob ID.
+ */
+struct drm_mode_create_blob {
+ /** Pointer to data to copy. */
+ __u64 data;
+ /** Length of data to copy. */
+ __u32 length;
+ /** Return: new property ID. */
+ __u32 blob_id;
+};
+
+/**
+ * Destroy a user-created blob property.
+ */
+struct drm_mode_destroy_blob {
+ __u32 blob_id;
+};
+
+
#endif
diff --git a/xf86drmMode.c b/xf86drmMode.c
index 30b94b8..4ef2d57 100644
--- a/xf86drmMode.c
+++ b/xf86drmMode.c
@@ -1333,3 +1333,34 @@ out:
return ret;
}
+
+int
+drmModeCreatePropertyBlob(int fd, const void *data, size_t length, uint32_t
*id)
+{
+ struct drm_mode_create_blob create;
+ int ret;
+
+ if (length >= 0xffffffff)
+ return -ERANGE;
+
+ create.length = length;
+ create.data = (uintptr_t) data;
+ create.blob_id = 0;
+ *id = 0;
+
+ ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_CREATEPROPBLOB, &create);
+ if (ret != 0)
+ return ret;
+
+ *id = create.blob_id;
+ return 0;
+}
+
+int
+drmModeDestroyPropertyBlob(int fd, uint32_t id)
+{
+ struct drm_mode_destroy_blob destroy;
+
+ destroy.blob_id = id;
+ return DRM_IOCTL(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy);
+}
diff --git a/xf86drmMode.h b/xf86drmMode.h
index 3ba2333..a6f1182 100644
--- a/xf86drmMode.h
+++ b/xf86drmMode.h
@@ -498,6 +498,11 @@ extern int drmModeAtomicCommit(int fd,
void *user_data);
extern void drmModeAtomicFree(drmModeAtomicReqPtr req);
+extern int drmModeCreatePropertyBlob(int fd, const void *data, size_t size,
+ uint32_t *id);
+extern int drmModeDestroyPropertyBlob(int fd, uint32_t id);
+
+
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
--
2.4.1
