+static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+ struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
+ struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
+
+ mem->bus.addr = NULL;
+ mem->bus.is_iomem = false;
+ mem->bus.offset = 0;
+ mem->bus.size = mem->num_pages << PAGE_SHIFT;
+ mem->bus.base = 0;
+ if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
+ return -EINVAL;
+ switch (mem->mem_type) {
+ case TTM_PL_SYSTEM:
+ /* System memory */
+ return 0;
+ case TTM_PL_VRAM:
+ mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
+ mem->bus.base = dev_priv->vram_start;
+ mem->bus.is_iomem = true;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void vmw_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
+{
+}
+
+static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
+{
+ return 0;
+}
+