cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

ioctl.h (1710B)


      1/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
      2/*
      3 *    Linux/PA-RISC Project (http://www.parisc-linux.org/)
      4 *    Copyright (C) 1999,2003 Matthew Wilcox < willy at debian . org >
      5 *    portions from "linux/ioctl.h for Linux" by H.H. Bergman.
      6 *
      7 *    This program is free software; you can redistribute it and/or modify
      8 *    it under the terms of the GNU General Public License as published by
      9 *    the Free Software Foundation; either version 2 of the License, or
     10 *    (at your option) any later version.
     11 *
     12 *    This program is distributed in the hope that it will be useful,
     13 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     15 *    GNU General Public License for more details.
     16 *
     17 *    You should have received a copy of the GNU General Public License
     18 *    along with this program; if not, write to the Free Software
     19 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     20 */
     21
     22
     23#ifndef _ASM_PARISC_IOCTL_H
     24#define _ASM_PARISC_IOCTL_H
     25
     26/* ioctl command encoding: 32 bits total, command in lower 16 bits,
     27 * size of the parameter structure in the lower 14 bits of the
     28 * upper 16 bits.
     29 * Encoding the size of the parameter structure in the ioctl request
     30 * is useful for catching programs compiled with old versions
     31 * and to avoid overwriting user space outside the user buffer area.
     32 * The highest 2 bits are reserved for indicating the ``access mode''.
     33 * NOTE: This limits the max parameter size to 16kB -1 !
     34 */
     35
     36/*
     37 * Direction bits.
     38 */
     39#define _IOC_NONE	0U
     40#define _IOC_WRITE	2U
     41#define _IOC_READ	1U
     42
     43#include <asm-generic/ioctl.h>
     44
     45#endif /* _ASM_PARISC_IOCTL_H */