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