include/asm-sparc64/compat.h

   1 #ifndef _ASM_SPARC64_COMPAT_H
   2 #define _ASM_SPARC64_COMPAT_H
   3 /*
   4  * Architecture specific compatibility types
   5  */
   6 #include <linux/types.h>
   7
   8 #define COMPAT_USER_HZ  100
   9
  10 typedef u32             compat_size_t;
  11 typedef s32             compat_ssize_t;
  12 typedef s32             compat_time_t;
  13 typedef s32             compat_clock_t;
  14 typedef s32             compat_pid_t;
  15 typedef u16             compat_uid_t;
  16 typedef u16             compat_gid_t;
  17 typedef u16             compat_mode_t;
  18 typedef u32             compat_ino_t;
  19 typedef u16             compat_dev_t;
  20 typedef s32             compat_off_t;
  21 typedef s64             compat_loff_t;
  22 typedef s16             compat_nlink_t;
  23 typedef u16             compat_ipc_pid_t;
  24 typedef s32             compat_daddr_t;
  25 typedef u32             compat_caddr_t;
  26 typedef __kernel_fsid_t compat_fsid_t;
  27 typedef s32             compat_key_t;
  28
  29 typedef s32             compat_int_t;
  30 typedef s32             compat_long_t;
  31 typedef u32             compat_uint_t;
  32 typedef u32             compat_ulong_t;
  33
  34 struct compat_timespec {
  35         compat_time_t   tv_sec;
  36         s32             tv_nsec;
  37 };
  38
  39 struct compat_timeval {
  40         compat_time_t   tv_sec;
  41         s32             tv_usec;
  42 };
  43
  44 struct compat_stat {
  45         compat_dev_t    st_dev;
  46         compat_ino_t    st_ino;
  47         compat_mode_t   st_mode;
  48         compat_nlink_t  st_nlink;
  49         compat_uid_t    st_uid;
  50         compat_gid_t    st_gid;
  51         compat_dev_t    st_rdev;
  52         compat_off_t    st_size;
  53         compat_time_t   st_atime;
  54         compat_ulong_t  st_atime_nsec;
  55         compat_time_t   st_mtime;
  56         compat_ulong_t  st_mtime_nsec;
  57         compat_time_t   st_ctime;
  58         compat_ulong_t  st_ctime_nsec;
  59         compat_off_t    st_blksize;
  60         compat_off_t    st_blocks;
  61         u32             __unused4[2];
  62 };
  63
  64 struct compat_stat64 {
  65         unsigned long long      st_dev;
  66
  67         unsigned long long      st_ino;
  68
  69         unsigned int    st_mode;
  70         unsigned int    st_nlink;
  71
  72         unsigned int    st_uid;
  73         unsigned int    st_gid;
  74
  75         unsigned long long      st_rdev;
  76
  77         unsigned char   __pad3[8];
  78
  79         long long       st_size;
  80         unsigned int    st_blksize;
  81
  82         unsigned char   __pad4[8];
  83         unsigned int    st_blocks;
  84
  85         unsigned int    st_atime;
  86         unsigned int    st_atime_nsec;
  87
  88         unsigned int    st_mtime;
  89         unsigned int    st_mtime_nsec;
  90
  91         unsigned int    st_ctime;
  92         unsigned int    st_ctime_nsec;
  93
  94         unsigned int    __unused4;
  95         unsigned int    __unused5;
  96 };
  97
  98 struct compat_flock {
  99         short           l_type;
 100         short           l_whence;
 101         compat_off_t    l_start;
 102         compat_off_t    l_len;
 103         compat_pid_t    l_pid;
 104         short           __unused;
 105 };
 106
 107 #define F_GETLK64       12
 108 #define F_SETLK64       13
 109 #define F_SETLKW64      14
 110
 111 struct compat_flock64 {
 112         short           l_type;
 113         short           l_whence;
 114         compat_loff_t   l_start;
 115         compat_loff_t   l_len;
 116         compat_pid_t    l_pid;
 117         short           __unused;
 118 };
 119
 120 struct compat_statfs {
 121         int             f_type;
 122         int             f_bsize;
 123         int             f_blocks;
 124         int             f_bfree;
 125         int             f_bavail;
 126         int             f_files;
 127         int             f_ffree;
 128         compat_fsid_t   f_fsid;
 129         int             f_namelen;      /* SunOS ignores this field. */
 130         int             f_frsize;
 131         int             f_spare[5];
 132 };
 133
 134 #define COMPAT_RLIM_INFINITY 0x7fffffff
 135
 136 typedef u32             compat_old_sigset_t;
 137
 138 #define _COMPAT_NSIG            64
 139 #define _COMPAT_NSIG_BPW        32
 140
 141 typedef u32             compat_sigset_word;
 142
 143 #define COMPAT_OFF_T_MAX        0x7fffffff
 144 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
 145
 146 /*
 147  * A pointer passed in from user mode. This should not
 148  * be used for syscall parameters, just declare them
 149  * as pointers because the syscall entry code will have
 150  * appropriately comverted them already.
 151  */
 152 typedef u32             compat_uptr_t;
 153
 154 static inline void __user *compat_ptr(compat_uptr_t uptr)
 155 {
 156         return (void __user *)(unsigned long)uptr;
 157 }
 158
 159 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 160 {
 161         return (u32)(unsigned long)uptr;
 162 }
 163
 164 static __inline__ void __user *compat_alloc_user_space(long len)
 165 {
 166         struct pt_regs *regs = current_thread_info()->kregs;
 167         unsigned long usp = regs->u_regs[UREG_I6];
 168
 169         if (!(test_thread_flag(TIF_32BIT)))
 170                 usp += STACK_BIAS;
 171         else
 172                 usp &= 0xffffffffUL;
 173
 174         return (void __user *) (usp - len);
 175 }
 176
 177 struct compat_ipc64_perm {
 178         compat_key_t key;
 179         __kernel_uid_t uid;
 180         __kernel_gid_t gid;
 181         __kernel_uid_t cuid;
 182         __kernel_gid_t cgid;
 183         unsigned short __pad1;
 184         compat_mode_t mode;
 185         unsigned short __pad2;
 186         unsigned short seq;
 187         unsigned long __unused1;        /* yes they really are 64bit pads */
 188         unsigned long __unused2;
 189 };
 190
 191 struct compat_semid64_ds {
 192         struct compat_ipc64_perm sem_perm;
 193         unsigned int    __pad1;
 194         compat_time_t   sem_otime;
 195         unsigned int    __pad2;
 196         compat_time_t   sem_ctime;
 197         u32             sem_nsems;
 198         u32             __unused1;
 199         u32             __unused2;
 200 };
 201
 202 struct compat_msqid64_ds {
 203         struct compat_ipc64_perm msg_perm;
 204         unsigned int    __pad1;
 205         compat_time_t   msg_stime;
 206         unsigned int    __pad2;
 207         compat_time_t   msg_rtime;
 208         unsigned int    __pad3;
 209         compat_time_t   msg_ctime;
 210         unsigned int    msg_cbytes;
 211         unsigned int    msg_qnum;
 212         unsigned int    msg_qbytes;
 213         compat_pid_t    msg_lspid;
 214         compat_pid_t    msg_lrpid;
 215         unsigned int    __unused1;
 216         unsigned int    __unused2;
 217 };
 218
 219 struct compat_shmid64_ds {
 220         struct compat_ipc64_perm shm_perm;
 221         unsigned int    __pad1;
 222         compat_time_t   shm_atime;
 223         unsigned int    __pad2;
 224         compat_time_t   shm_dtime;
 225         unsigned int    __pad3;
 226         compat_time_t   shm_ctime;
 227         compat_size_t   shm_segsz;
 228         compat_pid_t    shm_cpid;
 229         compat_pid_t    shm_lpid;
 230         unsigned int    shm_nattch;
 231         unsigned int    __unused1;
 232         unsigned int    __unused2;
 233 };
 234
 235 #endif /* _ASM_SPARC64_COMPAT_H */