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