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 struct compat_flock { 79 short l_type; 80 short l_whence; 81 compat_off_t l_start; 82 compat_off_t l_len; 83 compat_pid_t l_pid; 84 short __unused; 85 }; 86 87 #define F_GETLK64 12 88 #define F_SETLK64 13 89 #define F_SETLKW64 14 90 91 struct compat_flock64 { 92 short l_type; 93 short l_whence; 94 compat_loff_t l_start; 95 compat_loff_t l_len; 96 compat_pid_t l_pid; 97 short __unused; 98 }; 99 100 struct compat_statfs { 101 int f_type; 102 int f_bsize; 103 int f_blocks; 104 int f_bfree; 105 int f_bavail; 106 int f_files; 107 int f_ffree; 108 compat_fsid_t f_fsid; 109 int f_namelen; /* SunOS ignores this field. */ 110 int f_frsize; 111 int f_flags; 112 int f_spare[4]; 113 }; 114 115 #define COMPAT_RLIM_INFINITY 0x7fffffff 116 117 #define COMPAT_OFF_T_MAX 0x7fffffff 118 119 struct compat_ipc64_perm { 120 compat_key_t key; 121 __compat_uid32_t uid; 122 __compat_gid32_t gid; 123 __compat_uid32_t cuid; 124 __compat_gid32_t cgid; 125 unsigned short __pad1; 126 compat_mode_t mode; 127 unsigned short __pad2; 128 unsigned short seq; 129 unsigned long __unused1; /* yes they really are 64bit pads */ 130 unsigned long __unused2; 131 }; 132 133 struct compat_semid64_ds { 134 struct compat_ipc64_perm sem_perm; 135 unsigned int sem_otime_high; 136 unsigned int sem_otime; 137 unsigned int sem_ctime_high; 138 unsigned int sem_ctime; 139 u32 sem_nsems; 140 u32 __unused1; 141 u32 __unused2; 142 }; 143 144 struct compat_msqid64_ds { 145 struct compat_ipc64_perm msg_perm; 146 unsigned int msg_stime_high; 147 unsigned int msg_stime; 148 unsigned int msg_rtime_high; 149 unsigned int msg_rtime; 150 unsigned int msg_ctime_high; 151 unsigned int msg_ctime; 152 unsigned int msg_cbytes; 153 unsigned int msg_qnum; 154 unsigned int msg_qbytes; 155 compat_pid_t msg_lspid; 156 compat_pid_t msg_lrpid; 157 unsigned int __unused1; 158 unsigned int __unused2; 159 }; 160 161 struct compat_shmid64_ds { 162 struct compat_ipc64_perm shm_perm; 163 unsigned int shm_atime_high; 164 unsigned int shm_atime; 165 unsigned int shm_dtime_high; 166 unsigned int shm_dtime; 167 unsigned int shm_ctime_high; 168 unsigned int shm_ctime; 169 compat_size_t shm_segsz; 170 compat_pid_t shm_cpid; 171 compat_pid_t shm_lpid; 172 unsigned int shm_nattch; 173 unsigned int __unused1; 174 unsigned int __unused2; 175 }; 176 177 #ifdef CONFIG_COMPAT 178 static inline int is_compat_task(void) 179 { 180 return test_thread_flag(TIF_32BIT); 181 } 182 183 static inline bool in_compat_syscall(void) 184 { 185 /* Vector 0x110 is LINUX_32BIT_SYSCALL_TRAP */ 186 return pt_regs_trap_type(current_pt_regs()) == 0x110; 187 } 188 #define in_compat_syscall in_compat_syscall 189 #endif 190 191 #endif /* _ASM_SPARC64_COMPAT_H */ 192