1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_dumb.c b/drivers/gpu/drm/qxl/qxl_dumb.c
new file mode 100644
index 00000000000..668611581ff
--- /dev/null
+++ b/drivers/gpu/drm/qxl/qxl_dumb.c
@@ -0,0 +1,61 @@
+#include "qxl_drv.h"
+#include "qxl_object.h"
+
+/* dumb ioctls implementation */
+
+int qxl_mode_dumb_create(struct drm_file *file_priv,
+			    struct drm_device *dev,
+			    struct drm_mode_create_dumb *args)
+{
+	struct qxl_device *qdev = dev->dev_private;
+	struct qxl_bo *qobj;
+	uint32_t handle;
+	int r;
+
+	args->pitch = args->width * ((args->bpp + 1) / 8);
+	args->size = args->pitch * args->height;
+	args->size = ALIGN(args->size, PAGE_SIZE);
+
+	r = qxl_gem_object_create_with_handle(qdev, file_priv,
+					      QXL_GEM_DOMAIN_VRAM,
+					      args->size, &qobj,
+					      &handle);
+	DRM_INFO("%s: width %d, height %d, bpp %d, pitch %d, size %lld, %s\n",
+		 __func__, args->width, args->height, args->bpp,
+		 args->pitch, args->size, r ? "failed" : "success");
+	if (r)
+		return r;
+	args->handle = handle;
+	DRM_INFO("%s: kptr %p\n", __func__, qobj->kptr);
+	return 0;
+}
+
+int qxl_mode_dumb_destroy(struct drm_file *file_priv,
+			     struct drm_device *dev,
+			     uint32_t handle)
+{
+	return drm_gem_handle_delete(file_priv, handle);
+}
+
+int qxl_mode_dumb_mmap(struct drm_file *file_priv,
+		       struct drm_device *dev,
+		       uint32_t handle, uint64_t *offset_p)
+{
+	struct drm_gem_object *gobj;
+	struct qxl_bo *qobj;
+
+	BUG_ON(!offset_p);
+	gobj = drm_gem_object_lookup(dev, file_priv, handle);
+	DRM_INFO("%s: %d, %s\n", __func__, handle, gobj ? "success" : "failed");
+	if (gobj == NULL)
+		return -ENOENT;
+	qobj = gem_to_qxl_bo(gobj);
+	*offset_p = qxl_bo_mmap_offset(qobj);
+	DRM_INFO("%s: %p, %lld| %lld, %ld, %ld\n", __func__, gobj, *offset_p,
+		qobj->tbo.addr_space_offset,
+		qobj->tbo.vm_node ?
+		qobj->tbo.vm_node->start : -1,
+		qobj->tbo.num_pages);
+	drm_gem_object_unreference_unlocked(gobj);
+	return 0;
+}