1/* SPDX-License-Identifier: GPL-2.0 */ 2#ifndef _ASM_PARISC_COMPAT_H 3#define _ASM_PARISC_COMPAT_H 4/* 5 * Architecture specific compatibility types 6 */ 7#include <linux/types.h> 8#include <linux/sched.h> 9#include <linux/thread_info.h> 10 11#include <asm-generic/compat.h> 12 13#define COMPAT_USER_HZ 100 14#define COMPAT_UTS_MACHINE "parisc\0\0" 15 16typedef u32 __compat_uid_t; 17typedef u32 __compat_gid_t; 18typedef u32 __compat_uid32_t; 19typedef u32 __compat_gid32_t; 20typedef u16 compat_mode_t; 21typedef u32 compat_dev_t; 22typedef u16 compat_nlink_t; 23typedef u16 compat_ipc_pid_t; 24typedef u32 compat_caddr_t; 25 26struct compat_stat { 27 compat_dev_t st_dev; /* dev_t is 32 bits on parisc */ 28 compat_ino_t st_ino; /* 32 bits */ 29 compat_mode_t st_mode; /* 16 bits */ 30 compat_nlink_t st_nlink; /* 16 bits */ 31 u16 st_reserved1; /* old st_uid */ 32 u16 st_reserved2; /* old st_gid */ 33 compat_dev_t st_rdev; 34 compat_off_t st_size; 35 old_time32_t st_atime; 36 u32 st_atime_nsec; 37 old_time32_t st_mtime; 38 u32 st_mtime_nsec; 39 old_time32_t st_ctime; 40 u32 st_ctime_nsec; 41 s32 st_blksize; 42 s32 st_blocks; 43 u32 __unused1; /* ACL stuff */ 44 compat_dev_t __unused2; /* network */ 45 compat_ino_t __unused3; /* network */ 46 u32 __unused4; /* cnodes */ 47 u16 __unused5; /* netsite */ 48 short st_fstype; 49 compat_dev_t st_realdev; 50 u16 st_basemode; 51 u16 st_spareshort; 52 __compat_uid32_t st_uid; 53 __compat_gid32_t st_gid; 54 u32 st_spare4[3]; 55}; 56 57struct compat_flock { 58 short l_type; 59 short l_whence; 60 compat_off_t l_start; 61 compat_off_t l_len; 62 compat_pid_t l_pid; 63}; 64 65struct compat_flock64 { 66 short l_type; 67 short l_whence; 68 compat_loff_t l_start; 69 compat_loff_t l_len; 70 compat_pid_t l_pid; 71}; 72 73struct compat_statfs { 74 s32 f_type; 75 s32 f_bsize; 76 s32 f_blocks; 77 s32 f_bfree; 78 s32 f_bavail; 79 s32 f_files; 80 s32 f_ffree; 81 __kernel_fsid_t f_fsid; 82 s32 f_namelen; 83 s32 f_frsize; 84 s32 f_flags; 85 s32 f_spare[4]; 86}; 87 88struct compat_sigcontext { 89 compat_int_t sc_flags; 90 compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */ 91 u64 sc_fr[32]; 92 compat_int_t sc_iasq[2]; 93 compat_int_t sc_iaoq[2]; 94 compat_int_t sc_sar; /* cr11 */ 95}; 96 97#define COMPAT_RLIM_INFINITY 0xffffffff 98 99typedef u32 compat_old_sigset_t; /* at least 32 bits */ 100 101#define _COMPAT_NSIG 64 102#define _COMPAT_NSIG_BPW 32 103 104typedef u32 compat_sigset_word; 105 106#define COMPAT_OFF_T_MAX 0x7fffffff 107 108struct compat_ipc64_perm { 109 compat_key_t key; 110 __compat_uid_t uid; 111 __compat_gid_t gid; 112 __compat_uid_t cuid; 113 __compat_gid_t cgid; 114 unsigned short int __pad1; 115 compat_mode_t mode; 116 unsigned short int __pad2; 117 unsigned short int seq; 118 unsigned int __pad3; 119 unsigned long __unused1; /* yes they really are 64bit pads */ 120 unsigned long __unused2; 121}; 122 123struct compat_semid64_ds { 124 struct compat_ipc64_perm sem_perm; 125 unsigned int sem_otime_high; 126 unsigned int sem_otime; 127 unsigned int sem_ctime_high; 128 unsigned int sem_ctime; 129 compat_ulong_t sem_nsems; 130 compat_ulong_t __unused3; 131 compat_ulong_t __unused4; 132}; 133 134struct compat_msqid64_ds { 135 struct compat_ipc64_perm msg_perm; 136 unsigned int msg_stime_high; 137 unsigned int msg_stime; 138 unsigned int msg_rtime_high; 139 unsigned int msg_rtime; 140 unsigned int msg_ctime_high; 141 unsigned int msg_ctime; 142 compat_ulong_t msg_cbytes; 143 compat_ulong_t msg_qnum; 144 compat_ulong_t msg_qbytes; 145 compat_pid_t msg_lspid; 146 compat_pid_t msg_lrpid; 147 compat_ulong_t __unused4; 148 compat_ulong_t __unused5; 149}; 150 151struct compat_shmid64_ds { 152 struct compat_ipc64_perm shm_perm; 153 unsigned int shm_atime_high; 154 unsigned int shm_atime; 155 unsigned int shm_dtime_high; 156 unsigned int shm_dtime; 157 unsigned int shm_ctime_high; 158 unsigned int shm_ctime; 159 unsigned int __unused4; 160 compat_size_t shm_segsz; 161 compat_pid_t shm_cpid; 162 compat_pid_t shm_lpid; 163 compat_ulong_t shm_nattch; 164 compat_ulong_t __unused5; 165 compat_ulong_t __unused6; 166}; 167 168/* 169 * The type of struct elf_prstatus.pr_reg in compatible core dumps. 170 */ 171#define COMPAT_ELF_NGREG 80 172typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; 173 174static __inline__ void __user *arch_compat_alloc_user_space(long len) 175{ 176 struct pt_regs *regs = ¤t->thread.regs; 177 return (void __user *)regs->gr[30]; 178} 179 180static inline int __is_compat_task(struct task_struct *t) 181{ 182 return test_tsk_thread_flag(t, TIF_32BIT); 183} 184 185static inline int is_compat_task(void) 186{ 187 return __is_compat_task(current); 188} 189 190#endif /* _ASM_PARISC_COMPAT_H */ 191