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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849/* SPDX-License-Identifier: LGPL-2.0+ WITH Linux-syscall-note *//* * userio: virtual serio device support * Copyright (C) 2015 Red Hat * Copyright (C) 2015 Lyude Paul <thatslyude@gmail.com> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser 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 Lesser General Public License for more * details. * * This is the public header used for user-space communication with the userio * driver. __attribute__((__packed__)) is used for all structs to keep ABI * compatibility between all architectures. */
#ifndef _USERIO_H#define _USERIO_H
#include <linux/types.h>
enum userio_cmd_type { USERIO_CMD_REGISTER = 0, USERIO_CMD_SET_PORT_TYPE = 1, USERIO_CMD_SEND_INTERRUPT = 2, USERIO_CMD_SET_PORT_EXTRA = 3, USERIO_CMD_SET_PORT_ID = 4, USERIO_CMD_SET_PORT_PROTO = 5,};
/* * userio Commands * All commands sent to /dev/userio are encoded using this structure. The type * field should contain a USERIO_CMD* value that indicates what kind of command * is being sent to userio. The data field should contain the accompanying * argument for the command, if there is one. */struct userio_cmd { __u8 type; __u8 data;} __attribute__((__packed__));
#endif /* !_USERIO_H */