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