1ccea77e2a
Based on 2 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details [based] [from] [clk] [highbank] [c] you should have received a copy of the gnu general public license along with this program if not see http www gnu org licenses extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 355 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190519154041.837383322@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
36 lines
1.0 KiB
C
36 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* cros_ec_dev - expose the Chrome OS Embedded Controller to userspace
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*
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* Copyright (C) 2014 Google, Inc.
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*/
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#ifndef _CROS_EC_DEV_H_
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#define _CROS_EC_DEV_H_
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#include <linux/ioctl.h>
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#include <linux/types.h>
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#include <linux/mfd/cros_ec.h>
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#define CROS_EC_DEV_VERSION "1.0.0"
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/**
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* struct cros_ec_readmem - Struct used to read mapped memory.
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* @offset: Within EC_LPC_ADDR_MEMMAP region.
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* @bytes: Number of bytes to read. Zero means "read a string" (including '\0')
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* At most only EC_MEMMAP_SIZE bytes can be read.
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* @buffer: Where to store the result. The ioctl returns the number of bytes
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* read or negative on error.
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*/
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struct cros_ec_readmem {
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uint32_t offset;
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uint32_t bytes;
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uint8_t buffer[EC_MEMMAP_SIZE];
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};
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#define CROS_EC_DEV_IOC 0xEC
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#define CROS_EC_DEV_IOCXCMD _IOWR(CROS_EC_DEV_IOC, 0, struct cros_ec_command)
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#define CROS_EC_DEV_IOCRDMEM _IOWR(CROS_EC_DEV_IOC, 1, struct cros_ec_readmem)
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#endif /* _CROS_EC_DEV_H_ */
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