1 files changed, 155 insertions, 0 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_gem.c b/drivers/gpu/drm/qxl/qxl_gem.c
new file mode 100644
index 00000000000..7ef7b6f1963
--- /dev/null
+++ b/drivers/gpu/drm/qxl/qxl_gem.c
@@ -0,0 +1,155 @@
+#include "drmP.h"
+#include "drm.h"
+#include "qxl_drm.h"
+#include "qxl_drv.h"
+#include "qxl_object.h"
+
+int qxl_gem_object_init(struct drm_gem_object *obj)
+{
+	/* we do nothings here */
+	return 0;
+}
+
+void qxl_gem_object_free(struct drm_gem_object *gobj)
+{
+	struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
+
+	if (qobj) {
+		/* or unref? */
+		qxl_bo_free(qobj);
+	}
+}
+
+int qxl_gem_object_create(struct qxl_device *qdev, int size,
+				int alignment, int initial_domain,
+				bool discardable, bool kernel,
+				struct drm_gem_object **obj)
+{
+	struct qxl_bo *qbo;
+	int r;
+
+	*obj = NULL;
+	/* At least align on page size */
+	if (alignment < PAGE_SIZE)
+		alignment = PAGE_SIZE;
+	r = qxl_bo_create(qdev, size, kernel, initial_domain, &qbo);
+	if (r) {
+		if (r != -ERESTARTSYS)
+			DRM_ERROR(
+			"Failed to allocate GEM object (%d, %d, %u, %d)\n",
+				  size, initial_domain, alignment, r);
+		return r;
+	}
+	*obj = &qbo->gem_base;
+
+	mutex_lock(&qbo->qdev->gem.mutex);
+	list_add_tail(&qbo->list, &qdev->gem.objects);
+	mutex_unlock(&qbo->qdev->gem.mutex);
+
+	return 0;
+}
+
+int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
+				      struct drm_file *file_priv,
+				      u32 domain,
+				      size_t size,
+				      struct qxl_bo **qobj,
+				      uint32_t *handle)
+{
+	struct drm_gem_object *gobj;
+	int r;
+
+	BUG_ON(!qobj);
+	BUG_ON(!handle);
+
+	r = qxl_gem_object_create(qdev, size, 0,
+				  domain,
+				  false, false,
+				  &gobj);
+	if (r)
+		return -ENOMEM;
+	r = drm_gem_handle_create(file_priv, gobj, handle);
+	if (r)
+		return r;
+	/* drop reference from allocate - handle holds it now */
+	drm_gem_object_unreference_unlocked(gobj);
+	*qobj = gem_to_qxl_bo(gobj);
+	qxl_bo_kmap(*qobj, NULL);
+	return 0;
+}
+
+int qxl_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
+			  uint64_t *gpu_addr)
+{
+	struct qxl_bo *qobj = obj->driver_private;
+	int r;
+
+	r = qxl_bo_reserve(qobj, false);
+	if (unlikely(r != 0))
+		return r;
+	r = qxl_bo_pin(qobj, pin_domain, gpu_addr);
+	qxl_bo_unreserve(qobj);
+	return r;
+}
+
+void qxl_gem_object_unpin(struct drm_gem_object *obj)
+{
+	struct qxl_bo *qobj = obj->driver_private;
+	int r;
+
+	r = qxl_bo_reserve(qobj, false);
+	if (likely(r == 0)) {
+		qxl_bo_unpin(qobj);
+		qxl_bo_unreserve(qobj);
+	}
+}
+
+int qxl_gem_set_domain(struct drm_gem_object *gobj,
+			  uint32_t rdomain, uint32_t wdomain)
+{
+	struct qxl_bo *qobj;
+	uint32_t domain;
+	int r;
+
+	/* FIXME: reeimplement */
+	qobj = gobj->driver_private;
+	/* work out where to validate the buffer to */
+	domain = wdomain;
+	if (!domain)
+		domain = rdomain;
+	if (!domain) {
+		/* Do nothings */
+		pr_warn("Set domain withou domain !\n");
+		return 0;
+	}
+	if (domain == QXL_GEM_DOMAIN_CPU) {
+		/* Asking for cpu access wait for object idle */
+		r = qxl_bo_wait(qobj, NULL, false);
+		if (r) {
+			pr_err("Failed to wait for object !\n");
+			return r;
+		}
+	}
+	return 0;
+}
+
+int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
+{
+	return 0;
+}
+
+void qxl_gem_object_close(struct drm_gem_object *obj,
+			  struct drm_file *file_priv)
+{
+}
+
+int qxl_gem_init(struct qxl_device *qdev)
+{
+	INIT_LIST_HEAD(&qdev->gem.objects);
+	return 0;
+}
+
+void qxl_gem_fini(struct qxl_device *qdev)
+{
+	qxl_bo_force_delete(qdev);
+}