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 56