cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

dma.h (553B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ASM_GENERIC_DMA_H
      3#define __ASM_GENERIC_DMA_H
      4/*
      5 * This file traditionally describes the i8237 PC style DMA controller.
      6 * Most architectures don't have these any more and can get the minimal
      7 * implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS.
      8 *
      9 * Some code relies on seeing MAX_DMA_ADDRESS though.
     10 */
     11#define MAX_DMA_ADDRESS PAGE_OFFSET
     12
     13extern int request_dma(unsigned int dmanr, const char *device_id);
     14extern void free_dma(unsigned int dmanr);
     15
     16#endif /* __ASM_GENERIC_DMA_H */