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