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 */
18 struct 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 */
32 struct 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
41 struct 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
50 struct 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