blob: 7de8faaf77df8fe59ef2a7982cfaeb14ee8a6b8b [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
* ChromeOS EC device interface.
* Copyright (C) 2014 Google, Inc.
#include <linux/bits.h>
#include <linux/ioctl.h>
#include <linux/types.h>
#include <linux/platform_data/cros_ec_commands.h>
#define CROS_EC_DEV_VERSION "1.0.0"
* struct cros_ec_readmem - Struct used to read mapped memory.
* @offset: Within EC_LPC_ADDR_MEMMAP region.
* @bytes: Number of bytes to read. Zero means "read a string" (including '\0')
* At most only EC_MEMMAP_SIZE bytes can be read.
* @buffer: Where to store the result. The ioctl returns the number of bytes
* read or negative on error.
struct cros_ec_readmem {
uint32_t offset;
uint32_t bytes;
uint8_t buffer[EC_MEMMAP_SIZE];
#define CROS_EC_DEV_IOC 0xEC
#define CROS_EC_DEV_IOCXCMD _IOWR(CROS_EC_DEV_IOC, 0, struct cros_ec_command)
#define CROS_EC_DEV_IOCRDMEM _IOWR(CROS_EC_DEV_IOC, 1, struct cros_ec_readmem)
#endif /* _CROS_EC_DEV_H_ */