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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acct.h (4095B)


      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/*
      3 *  BSD Process Accounting for Linux - Definitions
      4 *
      5 *  Author: Marco van Wieringen (mvw@planets.elm.net)
      6 *
      7 *  This header file contains the definitions needed to implement
      8 *  BSD-style process accounting. The kernel accounting code and all
      9 *  user-level programs that try to do something useful with the
     10 *  process accounting log must include this file.
     11 *
     12 *  Copyright (C) 1995 - 1997 Marco van Wieringen - ELM Consultancy B.V.
     13 *
     14 */
     15
     16#ifndef _UAPI_LINUX_ACCT_H
     17#define _UAPI_LINUX_ACCT_H
     18
     19#include <linux/types.h>
     20
     21#include <asm/param.h>
     22#include <asm/byteorder.h>
     23
     24/* 
     25 *  comp_t is a 16-bit "floating" point number with a 3-bit base 8
     26 *  exponent and a 13-bit fraction.
     27 *  comp2_t is 24-bit with 5-bit base 2 exponent and 20 bit fraction
     28 *  (leading 1 not stored).
     29 *  See linux/kernel/acct.c for the specific encoding systems used.
     30 */
     31
     32typedef __u16	comp_t;
     33typedef __u32	comp2_t;
     34
     35/*
     36 *   accounting file record
     37 *
     38 *   This structure contains all of the information written out to the
     39 *   process accounting file whenever a process exits.
     40 */
     41
     42#define ACCT_COMM	16
     43
     44struct acct
     45{
     46	char		ac_flag;		/* Flags */
     47	char		ac_version;		/* Always set to ACCT_VERSION */
     48	/* for binary compatibility back until 2.0 */
     49	__u16		ac_uid16;		/* LSB of Real User ID */
     50	__u16		ac_gid16;		/* LSB of Real Group ID */
     51	__u16		ac_tty;			/* Control Terminal */
     52	/* __u32 range means times from 1970 to 2106 */
     53	__u32		ac_btime;		/* Process Creation Time */
     54	comp_t		ac_utime;		/* User Time */
     55	comp_t		ac_stime;		/* System Time */
     56	comp_t		ac_etime;		/* Elapsed Time */
     57	comp_t		ac_mem;			/* Average Memory Usage */
     58	comp_t		ac_io;			/* Chars Transferred */
     59	comp_t		ac_rw;			/* Blocks Read or Written */
     60	comp_t		ac_minflt;		/* Minor Pagefaults */
     61	comp_t		ac_majflt;		/* Major Pagefaults */
     62	comp_t		ac_swaps;		/* Number of Swaps */
     63/* m68k had no padding here. */
     64#if !defined(CONFIG_M68K) || !defined(__KERNEL__)
     65	__u16		ac_ahz;			/* AHZ */
     66#endif
     67	__u32		ac_exitcode;		/* Exitcode */
     68	char		ac_comm[ACCT_COMM + 1];	/* Command Name */
     69	__u8		ac_etime_hi;		/* Elapsed Time MSB */
     70	__u16		ac_etime_lo;		/* Elapsed Time LSB */
     71	__u32		ac_uid;			/* Real User ID */
     72	__u32		ac_gid;			/* Real Group ID */
     73};
     74
     75struct acct_v3
     76{
     77	char		ac_flag;		/* Flags */
     78	char		ac_version;		/* Always set to ACCT_VERSION */
     79	__u16		ac_tty;			/* Control Terminal */
     80	__u32		ac_exitcode;		/* Exitcode */
     81	__u32		ac_uid;			/* Real User ID */
     82	__u32		ac_gid;			/* Real Group ID */
     83	__u32		ac_pid;			/* Process ID */
     84	__u32		ac_ppid;		/* Parent Process ID */
     85	/* __u32 range means times from 1970 to 2106 */
     86	__u32		ac_btime;		/* Process Creation Time */
     87#ifdef __KERNEL__
     88	__u32		ac_etime;		/* Elapsed Time */
     89#else
     90	float		ac_etime;		/* Elapsed Time */
     91#endif
     92	comp_t		ac_utime;		/* User Time */
     93	comp_t		ac_stime;		/* System Time */
     94	comp_t		ac_mem;			/* Average Memory Usage */
     95	comp_t		ac_io;			/* Chars Transferred */
     96	comp_t		ac_rw;			/* Blocks Read or Written */
     97	comp_t		ac_minflt;		/* Minor Pagefaults */
     98	comp_t		ac_majflt;		/* Major Pagefaults */
     99	comp_t		ac_swaps;		/* Number of Swaps */
    100	char		ac_comm[ACCT_COMM];	/* Command Name */
    101};
    102
    103/*
    104 *  accounting flags
    105 */
    106				/* bit set when the process/task ... */
    107#define AFORK		0x01	/* ... executed fork, but did not exec */
    108#define ASU		0x02	/* ... used super-user privileges */
    109#define ACOMPAT		0x04	/* ... used compatibility mode (VAX only not used) */
    110#define ACORE		0x08	/* ... dumped core */
    111#define AXSIG		0x10	/* ... was killed by a signal */
    112#define AGROUP		0x20	/* ... was the last task of the process (task group) */
    113
    114#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN)
    115#define ACCT_BYTEORDER	0x80	/* accounting file is big endian */
    116#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN)
    117#define ACCT_BYTEORDER	0x00	/* accounting file is little endian */
    118#else
    119#error unspecified endianness
    120#endif
    121
    122#ifndef __KERNEL__
    123#define ACCT_VERSION	2
    124#define AHZ		(HZ)
    125#endif	/* __KERNEL */
    126
    127
    128#endif /* _UAPI_LINUX_ACCT_H */