1 /* 2 * DMA-related memory allocation utility functions. 3 * 4 * Copyright (C) 2023 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #pragma once 23 24 #include <l4/re/c/dma_space.h> 25 #include <l4/sys/types.h> 26 27 EXTERN_C_BEGIN 28 29 long get_dma_region(unsigned long size, int align, l4_addr_t *vaddr, 30 l4re_dma_space_dma_addr_t *paddr, l4_cap_idx_t *mem); 31 32 EXTERN_C_END
