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   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 u32             __compat_uid32_t;
  18 typedef u32             __compat_gid32_t;
  19 typedef u16             compat_mode_t;
  20 typedef u32             compat_ino_t;
  21 typedef u16             compat_dev_t;
  22 typedef s32             compat_off_t;
  23 typedef s64             compat_loff_t;
  24 typedef s16             compat_nlink_t;
  25 typedef u16             compat_ipc_pid_t;
  26 typedef s32             compat_daddr_t;
  27 typedef u32             compat_caddr_t;
  28 typedef __kernel_fsid_t compat_fsid_t;
  29 typedef s32             compat_key_t;
  30 typedef s32             compat_timer_t;
  31
  32 typedef s32             compat_int_t;
  33 typedef s32             compat_long_t;
  34 typedef u32             compat_uint_t;
  35 typedef u32             compat_ulong_t;
  36
  37 struct compat_timespec {
  38         compat_time_t   tv_sec;
  39         s32             tv_nsec;
  40 };
  41
  42 struct compat_timeval {
  43         compat_time_t   tv_sec;
  44         s32             tv_usec;
  45 };
  46
  47 struct compat_stat {
  48         compat_dev_t    st_dev;
  49         compat_ino_t    st_ino;
  50         compat_mode_t   st_mode;
  51         compat_nlink_t  st_nlink;
  52         __compat_uid_t  st_uid;
  53         __compat_gid_t  st_gid;
  54         compat_dev_t    st_rdev;
  55         compat_off_t    st_size;
  56         compat_time_t   st_atime;
  57         compat_ulong_t  st_atime_nsec;
  58         compat_time_t   st_mtime;
  59         compat_ulong_t  st_mtime_nsec;
  60         compat_time_t   st_ctime;
  61         compat_ulong_t  st_ctime_nsec;
  62         compat_off_t    st_blksize;
  63         compat_off_t    st_blocks;
  64         u32             __unused4[2];
  65 };
  66
  67 struct compat_stat64 {
  68         unsigned long long      st_dev;
  69
  70         unsigned long long      st_ino;
  71
  72         unsigned int    st_mode;
  73         unsigned int    st_nlink;
  74
  75         unsigned int    st_uid;
  76         unsigned int    st_gid;
  77
  78         unsigned long long      st_rdev;
  79
  80         unsigned char   __pad3[8];
  81
  82         long long       st_size;
  83         unsigned int    st_blksize;
  84
  85         unsigned char   __pad4[8];
  86         unsigned int    st_blocks;
  87
  88         unsigned int    st_atime;
  89         unsigned int    st_atime_nsec;
  90
  91         unsigned int    st_mtime;
  92         unsigned int    st_mtime_nsec;
  93
  94         unsigned int    st_ctime;
  95         unsigned int    st_ctime_nsec;
  96
  97         unsigned int    __unused4;
  98         unsigned int    __unused5;
  99 };
 100
 101 struct compat_flock {
 102         short           l_type;
 103         short           l_whence;
 104         compat_off_t    l_start;
 105         compat_off_t    l_len;
 106         compat_pid_t    l_pid;
 107         short           __unused;
 108 };
 109
 110 #define F_GETLK64       12
 111 #define F_SETLK64       13
 112 #define F_SETLKW64      14
 113
 114 struct compat_flock64 {
 115         short           l_type;
 116         short           l_whence;
 117         compat_loff_t   l_start;
 118         compat_loff_t   l_len;
 119         compat_pid_t    l_pid;
 120         short           __unused;
 121 };
 122
 123 struct compat_statfs {
 124         int             f_type;
 125         int             f_bsize;
 126         int             f_blocks;
 127         int             f_bfree;
 128         int             f_bavail;
 129         int             f_files;
 130         int             f_ffree;
 131         compat_fsid_t   f_fsid;
 132         int             f_namelen;      /* SunOS ignores this field. */
 133         int             f_frsize;
 134         int             f_spare[5];
 135 };
 136
 137 #define COMPAT_RLIM_INFINITY 0x7fffffff
 138
 139 typedef u32             compat_old_sigset_t;
 140
 141 #define _COMPAT_NSIG            64
 142 #define _COMPAT_NSIG_BPW        32
 143
 144 typedef u32             compat_sigset_word;
 145
 146 #define COMPAT_OFF_T_MAX        0x7fffffff
 147 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
 148
 149 /*
 150  * A pointer passed in from user mode. This should not
 151  * be used for syscall parameters, just declare them
 152  * as pointers because the syscall entry code will have
 153  * appropriately comverted them already.
 154  */
 155 typedef u32             compat_uptr_t;
 156
 157 static inline void __user *compat_ptr(compat_uptr_t uptr)
 158 {
 159         return (void __user *)(unsigned long)uptr;
 160 }
 161
 162 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 163 {
 164         return (u32)(unsigned long)uptr;
 165 }
 166
 167 static inline void __user *compat_alloc_user_space(long len)
 168 {
 169         struct pt_regs *regs = current_thread_info()->kregs;
 170         unsigned long usp = regs->u_regs[UREG_I6];
 171
 172         if (!(test_thread_flag(TIF_32BIT)))
 173                 usp += STACK_BIAS;
 174         else
 175                 usp &= 0xffffffffUL;
 176
 177         usp -= len;
 178         usp &= ~0x7UL;
 179
 180         return (void __user *) usp;
 181 }
 182
 183 struct compat_ipc64_perm {
 184         compat_key_t key;
 185         __compat_uid32_t uid;
 186         __compat_gid32_t gid;
 187         __compat_uid32_t cuid;
 188         __compat_gid32_t cgid;
 189         unsigned short __pad1;
 190         compat_mode_t mode;
 191         unsigned short __pad2;
 192         unsigned short seq;
 193         unsigned long __unused1;        /* yes they really are 64bit pads */
 194         unsigned long __unused2;
 195 };
 196
 197 struct compat_semid64_ds {
 198         struct compat_ipc64_perm sem_perm;
 199         unsigned int    __pad1;
 200         compat_time_t   sem_otime;
 201         unsigned int    __pad2;
 202         compat_time_t   sem_ctime;
 203         u32             sem_nsems;
 204         u32             __unused1;
 205         u32             __unused2;
 206 };
 207
 208 struct compat_msqid64_ds {
 209         struct compat_ipc64_perm msg_perm;
 210         unsigned int    __pad1;
 211         compat_time_t   msg_stime;
 212         unsigned int    __pad2;
 213         compat_time_t   msg_rtime;
 214         unsigned int    __pad3;
 215         compat_time_t   msg_ctime;
 216         unsigned int    msg_cbytes;
 217         unsigned int    msg_qnum;
 218         unsigned int    msg_qbytes;
 219         compat_pid_t    msg_lspid;
 220         compat_pid_t    msg_lrpid;
 221         unsigned int    __unused1;
 222         unsigned int    __unused2;
 223 };
 224
 225 struct compat_shmid64_ds {
 226         struct compat_ipc64_perm shm_perm;
 227         unsigned int    __pad1;
 228         compat_time_t   shm_atime;
 229         unsigned int    __pad2;
 230         compat_time_t   shm_dtime;
 231         unsigned int    __pad3;
 232         compat_time_t   shm_ctime;
 233         compat_size_t   shm_segsz;
 234         compat_pid_t    shm_cpid;
 235         compat_pid_t    shm_lpid;
 236         unsigned int    shm_nattch;
 237         unsigned int    __unused1;
 238         unsigned int    __unused2;
 239 };
 240
 241 #endif /* _ASM_SPARC64_COMPAT_H */