1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_SPARC64_COMPAT_H 3 #define _ASM_SPARC64_COMPAT_H 4 /* 5 * Architecture specific compatibility types 6 */ 7 #include <linux/types.h> 8 9 #define compat_mode_t compat_mode_t 10 typedef u16 compat_mode_t; 11 12 #include <asm-generic/compat.h> 13 14 #define COMPAT_USER_HZ 100 15 #define COMPAT_UTS_MACHINE "sparc\0\0" 16 17 typedef u16 __compat_uid_t; 18 typedef u16 __compat_gid_t; 19 typedef u16 compat_dev_t; 20 typedef s16 compat_nlink_t; 21 typedef u16 compat_ipc_pid_t; 22 typedef __kernel_fsid_t compat_fsid_t; 23 24 struct compat_stat { 25 compat_dev_t st_dev; 26 compat_ino_t st_ino; 27 compat_mode_t st_mode; 28 compat_nlink_t st_nlink; 29 __compat_uid_t st_uid; 30 __compat_gid_t st_gid; 31 compat_dev_t st_rdev; 32 compat_off_t st_size; 33 old_time32_t st_atime; 34 compat_ulong_t st_atime_nsec; 35 old_time32_t st_mtime; 36 compat_ulong_t st_mtime_nsec; 37 old_time32_t st_ctime; 38 compat_ulong_t st_ctime_nsec; 39 compat_off_t st_blksize; 40 compat_off_t st_blocks; 41 u32 __unused4[2]; 42 }; 43 44 struct compat_stat64 { 45 unsigned long long st_dev; 46 47 unsigned long long st_ino; 48 49 unsigned int st_mode; 50 unsigned int st_nlink; 51 52 unsigned int st_uid; 53 unsigned int st_gid; 54 55 unsigned long long st_rdev; 56 57 unsigned char __pad3[8]; 58 59 long long st_size; 60 unsigned int st_blksize; 61 62 unsigned char __pad4[8]; 63 unsigned int st_blocks; 64 65 unsigned int st_atime; 66 unsigned int st_atime_nsec; 67 68 unsigned int st_mtime; 69 unsigned int st_mtime_nsec; 70 71 unsigned int st_ctime; 72 unsigned int st_ctime_nsec; 73 74 unsigned int __unused4; 75 unsigned int __unused5; 76 }; 77 78 #define __ARCH_COMPAT_FLOCK_PAD short __unused; 79 80 struct compat_statfs { 81 int f_type; 82 int f_bsize; 83 int f_blocks; 84 int f_bfree; 85 int f_bavail; 86 int f_files; 87 int f_ffree; 88 compat_fsid_t f_fsid; 89 int f_namelen; /* SunOS ignores this field. */ 90 int f_frsize; 91 int f_flags; 92 int f_spare[4]; 93 }; 94 95 #define COMPAT_RLIM_INFINITY 0x7fffffff 96 97 #define COMPAT_OFF_T_MAX 0x7fffffff 98 99 struct compat_ipc64_perm { 100 compat_key_t key; 101 __compat_uid32_t uid; 102 __compat_gid32_t gid; 103 __compat_uid32_t cuid; 104 __compat_gid32_t cgid; 105 unsigned short __pad1; 106 compat_mode_t mode; 107 unsigned short __pad2; 108 unsigned short seq; 109 unsigned long __unused1; /* yes they really are 64bit pads */ 110 unsigned long __unused2; 111 }; 112 113 struct compat_semid64_ds { 114 struct compat_ipc64_perm sem_perm; 115 unsigned int sem_otime_high; 116 unsigned int sem_otime; 117 unsigned int sem_ctime_high; 118 unsigned int sem_ctime; 119 u32 sem_nsems; 120 u32 __unused1; 121 u32 __unused2; 122 }; 123 124 struct compat_msqid64_ds { 125 struct compat_ipc64_perm msg_perm; 126 unsigned int msg_stime_high; 127 unsigned int msg_stime; 128 unsigned int msg_rtime_high; 129 unsigned int msg_rtime; 130 unsigned int msg_ctime_high; 131 unsigned int msg_ctime; 132 unsigned int msg_cbytes; 133 unsigned int msg_qnum; 134 unsigned int msg_qbytes; 135 compat_pid_t msg_lspid; 136 compat_pid_t msg_lrpid; 137 unsigned int __unused1; 138 unsigned int __unused2; 139 }; 140 141 struct compat_shmid64_ds { 142 struct compat_ipc64_perm shm_perm; 143 unsigned int shm_atime_high; 144 unsigned int shm_atime; 145 unsigned int shm_dtime_high; 146 unsigned int shm_dtime; 147 unsigned int shm_ctime_high; 148 unsigned int shm_ctime; 149 compat_size_t shm_segsz; 150 compat_pid_t shm_cpid; 151 compat_pid_t shm_lpid; 152 unsigned int shm_nattch; 153 unsigned int __unused1; 154 unsigned int __unused2; 155 }; 156 157 #ifdef CONFIG_COMPAT 158 static inline int is_compat_task(void) 159 { 160 return test_thread_flag(TIF_32BIT); 161 } 162 163 static inline bool in_compat_syscall(void) 164 { 165 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */ 166 return pt_regs_trap_type(current_pt_regs()) == 0x110; 167 } 168 #define in_compat_syscall in_compat_syscall 169 #endif 170 171 #endif /* _ASM_SPARC64_COMPAT_H */ 172