cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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edma.h (1033B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Copyright (c) 2018-2019 Synopsys, Inc. and/or its affiliates.
      4 * Synopsys DesignWare eDMA core driver
      5 *
      6 * Author: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
      7 */
      8
      9#ifndef _DW_EDMA_H
     10#define _DW_EDMA_H
     11
     12#include <linux/device.h>
     13#include <linux/dmaengine.h>
     14
     15struct dw_edma;
     16
     17/**
     18 * struct dw_edma_chip - representation of DesignWare eDMA controller hardware
     19 * @dev:		 struct device of the eDMA controller
     20 * @id:			 instance ID
     21 * @irq:		 irq line
     22 * @dw:			 struct dw_edma that is filed by dw_edma_probe()
     23 */
     24struct dw_edma_chip {
     25	struct device		*dev;
     26	int			id;
     27	int			irq;
     28	struct dw_edma		*dw;
     29};
     30
     31/* Export to the platform drivers */
     32#if IS_ENABLED(CONFIG_DW_EDMA)
     33int dw_edma_probe(struct dw_edma_chip *chip);
     34int dw_edma_remove(struct dw_edma_chip *chip);
     35#else
     36static inline int dw_edma_probe(struct dw_edma_chip *chip)
     37{
     38	return -ENODEV;
     39}
     40
     41static inline int dw_edma_remove(struct dw_edma_chip *chip)
     42{
     43	return 0;
     44}
     45#endif /* CONFIG_DW_EDMA */
     46
     47#endif /* _DW_EDMA_H */