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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cros_ec_chardev.h (1101B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * ChromeOS EC device interface.
      4 *
      5 * Copyright (C) 2014 Google, Inc.
      6 */
      7
      8#ifndef _UAPI_LINUX_CROS_EC_DEV_H_
      9#define _UAPI_LINUX_CROS_EC_DEV_H_
     10
     11#include <linux/bits.h>
     12#include <linux/ioctl.h>
     13#include <linux/types.h>
     14
     15#include <linux/platform_data/cros_ec_commands.h>
     16
     17#define CROS_EC_DEV_VERSION "1.0.0"
     18
     19/**
     20 * struct cros_ec_readmem - Struct used to read mapped memory.
     21 * @offset: Within EC_LPC_ADDR_MEMMAP region.
     22 * @bytes: Number of bytes to read. Zero means "read a string" (including '\0')
     23 *         At most only EC_MEMMAP_SIZE bytes can be read.
     24 * @buffer: Where to store the result. The ioctl returns the number of bytes
     25 *         read or negative on error.
     26 */
     27struct cros_ec_readmem {
     28	uint32_t offset;
     29	uint32_t bytes;
     30	uint8_t buffer[EC_MEMMAP_SIZE];
     31};
     32
     33#define CROS_EC_DEV_IOC       0xEC
     34#define CROS_EC_DEV_IOCXCMD   _IOWR(CROS_EC_DEV_IOC, 0, struct cros_ec_command)
     35#define CROS_EC_DEV_IOCRDMEM  _IOWR(CROS_EC_DEV_IOC, 1, struct cros_ec_readmem)
     36#define CROS_EC_DEV_IOCEVENTMASK _IO(CROS_EC_DEV_IOC, 2)
     37
     38#endif /* _CROS_EC_DEV_H_ */