Exemplos de ttm_dma_tt_alloc_page_directory em C++ (Cpp)

Exemplo n.º 1

Arquivo: ttm_tt.c Projeto: AlexShiLucky/linux

int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
		    uint32_t page_flags)
{
	struct ttm_tt *ttm = &ttm_dma->ttm;

	ttm_tt_init_fields(ttm, bo, page_flags);

	INIT_LIST_HEAD(&ttm_dma->pages_list);
	if (ttm_dma_tt_alloc_page_directory(ttm_dma)) {
		ttm_tt_destroy(ttm);
		pr_err("Failed allocating page table\n");
		return -ENOMEM;
	}
	return 0;
}

Exemplo n.º 2

Arquivo: ttm_tt.c Projeto: sjp38/linux.doc_trans_membarrier

int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_bo_device *bdev,
		unsigned long size, uint32_t page_flags,
		struct page *dummy_read_page)
{
	struct ttm_tt *ttm = &ttm_dma->ttm;

	ttm->bdev = bdev;
	ttm->glob = bdev->glob;
	ttm->num_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
	ttm->caching_state = tt_cached;
	ttm->page_flags = page_flags;
	ttm->dummy_read_page = dummy_read_page;
	ttm->state = tt_unpopulated;
	ttm->swap_storage = NULL;

	INIT_LIST_HEAD(&ttm_dma->pages_list);
	ttm_dma_tt_alloc_page_directory(ttm_dma);
	if (!ttm->pages) {
		ttm_tt_destroy(ttm);
		pr_err("Failed allocating page table\n");
		return -ENOMEM;
	}
	return 0;
}