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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dma_port.h (937B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Thunderbolt DMA configuration based mailbox support
      4 *
      5 * Copyright (C) 2017, Intel Corporation
      6 * Authors: Michael Jamet <michael.jamet@intel.com>
      7 *          Mika Westerberg <mika.westerberg@linux.intel.com>
      8 */
      9
     10#ifndef DMA_PORT_H_
     11#define DMA_PORT_H_
     12
     13#include "tb.h"
     14
     15struct tb_switch;
     16struct tb_dma_port;
     17
     18#define DMA_PORT_CSS_ADDRESS		0x3fffff
     19#define DMA_PORT_CSS_MAX_SIZE		SZ_128
     20
     21struct tb_dma_port *dma_port_alloc(struct tb_switch *sw);
     22void dma_port_free(struct tb_dma_port *dma);
     23int dma_port_flash_read(struct tb_dma_port *dma, unsigned int address,
     24			void *buf, size_t size);
     25int dma_port_flash_update_auth(struct tb_dma_port *dma);
     26int dma_port_flash_update_auth_status(struct tb_dma_port *dma, u32 *status);
     27int dma_port_flash_write(struct tb_dma_port *dma, unsigned int address,
     28			 const void *buf, size_t size);
     29int dma_port_power_cycle(struct tb_dma_port *dma);
     30
     31#endif