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

hypfs.h (1382B)

      1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
      2/*
      3 * Structures for hypfs interface
      4 *
      5 * Copyright IBM Corp. 2013
      6 *
      7 * Author: Martin Schwidefsky <schwidefsky@de.ibm.com>
      8 */
      9
     10#ifndef _ASM_HYPFS_H
     11#define _ASM_HYPFS_H
     12
     13#include <linux/types.h>
     14
     15/*
     16 * IOCTL for binary interface /sys/kernel/debug/diag_304
     17 */
     18struct hypfs_diag304 {
     19	__u32	args[2];
     20	__u64	data;
     21	__u64	rc;
     22} __attribute__((packed));
     23
     24#define HYPFS_IOCTL_MAGIC 0x10
     25
     26#define HYPFS_DIAG304 \
     27	_IOWR(HYPFS_IOCTL_MAGIC, 0x20, struct hypfs_diag304)
     28
     29/*
     30 * Structures for binary interface /sys/kernel/debug/diag_0c
     31 */
     32struct hypfs_diag0c_hdr {
     33	__u64	len;		/* Length of diag0c buffer without header */
     34	__u16	version;	/* Version of header */
     35	char	reserved1[6];	/* Reserved */
     36	char	tod_ext[16];	/* TOD clock for diag0c */
     37	__u64	count;		/* Number of entries (CPUs) in diag0c array */
     38	char	reserved2[24];	/* Reserved */
     39};
     40
     41struct hypfs_diag0c_entry {
     42	char	date[8];	/* MM/DD/YY in EBCDIC */
     43	char	time[8];	/* HH:MM:SS in EBCDIC */
     44	__u64	virtcpu;	/* Virtual time consumed by the virt CPU (us) */
     45	__u64	totalproc;	/* Total of virtual and simulation time (us) */
     46	__u32	cpu;		/* Linux logical CPU number */
     47	__u32	reserved;	/* Align to 8 byte */
     48};
     49
     50struct hypfs_diag0c_data {
     51	struct hypfs_diag0c_hdr		hdr;		/* 64 byte header */
     52	struct hypfs_diag0c_entry	entry[];	/* diag0c entry array */
     53};
     54
     55#endif