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authorDaniel Stone <daniels@collabora.com>2015-06-22 17:26:03 +0100
committerEmil Velikov <emil.l.velikov@gmail.com>2015-06-29 19:19:22 +0100
commit32471b265c6fbce6d519f0420a0ffeb608296502 (patch)
tree6b90d9feb55c077d5a5a5b7b4390604025551f0d
parented44e0b9585c563905447eceed12af9c1c7ca8d4 (diff)
Add blob property create/destroy ioctl wrappers
v2: Use memclear to zero out structure. Signed-off-by: Daniel Stone <daniels@collabora.com> Reviewed-by: Rob Clark <robclark@freedesktop.org>
-rw-r--r--include/drm/drm.h2
-rw-r--r--include/drm/drm_mode.h21
-rw-r--r--xf86drmMode.c34
-rw-r--r--xf86drmMode.h5
4 files changed, 62 insertions, 0 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h
index d1dc3e38..167b7b81 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 66f856fc..69c1ac3c 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 a75eca33..73c86958 100644
--- a/xf86drmMode.c
+++ b/xf86drmMode.c
@@ -1387,3 +1387,37 @@ 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;
+
+ memclear(create);
+
+ 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;
+
+ memclear(destroy);
+ destroy.blob_id = id;
+ return DRM_IOCTL(fd, DRM_IOCTL_MODE_DESTROYPROPBLOB, &destroy);
+}
diff --git a/xf86drmMode.h b/xf86drmMode.h
index 317ea234..1c10023c 100644
--- a/xf86drmMode.h
+++ b/xf86drmMode.h
@@ -503,6 +503,11 @@ extern int drmModeAtomicCommit(int fd,
uint32_t flags,
void *user_data);
+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