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         u32             __unused1;
  55         compat_time_t   st_mtime;
  56         u32             __unused2;
  57         compat_time_t   st_ctime;
  58         u32             __unused3;
  59         compat_off_t    st_blksize;
  60         compat_off_t    st_blocks;
  61         u32             __unused4[2];
  62 };
  63
  64 struct compat_flock {
  65         short           l_type;
  66         short           l_whence;
  67         compat_off_t    l_start;
  68         compat_off_t    l_len;
  69         compat_pid_t    l_pid;
  70         short           __unused;
  71 };
  72
  73 #define F_GETLK64       12
  74 #define F_SETLK64       13
  75 #define F_SETLKW64      14
  76
  77 struct compat_flock64 {
  78         short           l_type;
  79         short           l_whence;
  80         compat_loff_t   l_start;
  81         compat_loff_t   l_len;
  82         compat_pid_t    l_pid;
  83         short           __unused;
  84 };
  85
  86 struct compat_statfs {
  87         int             f_type;
  88         int             f_bsize;
  89         int             f_blocks;
  90         int             f_bfree;
  91         int             f_bavail;
  92         int             f_files;
  93         int             f_ffree;
  94         compat_fsid_t   f_fsid;
  95         int             f_namelen;      /* SunOS ignores this field. */
  96         int             f_frsize;
  97         int             f_spare[5];
  98 };
  99
 100 #define COMPAT_RLIM_INFINITY 0x7fffffff
 101
 102 typedef u32             compat_old_sigset_t;
 103
 104 #define _COMPAT_NSIG            64
 105 #define _COMPAT_NSIG_BPW        32
 106
 107 typedef u32             compat_sigset_word;
 108
 109 #define COMPAT_OFF_T_MAX        0x7fffffff
 110 #define COMPAT_LOFF_T_MAX       0x7fffffffffffffffL
 111
 112 /*
 113  * A pointer passed in from user mode. This should not
 114  * be used for syscall parameters, just declare them
 115  * as pointers because the syscall entry code will have
 116  * appropriately comverted them already.
 117  */
 118 typedef u32             compat_uptr_t;
 119
 120 static inline void __user *compat_ptr(compat_uptr_t uptr)
 121 {
 122         return (void __user *)(unsigned long)uptr;
 123 }
 124
 125 static inline compat_uptr_t ptr_to_compat(void __user *uptr)
 126 {
 127         return (u32)(unsigned long)uptr;
 128 }
 129
 130 static __inline__ void __user *compat_alloc_user_space(long len)
 131 {
 132         struct pt_regs *regs = current_thread_info()->kregs;
 133         unsigned long usp = regs->u_regs[UREG_I6];
 134
 135         if (!(test_thread_flag(TIF_32BIT)))
 136                 usp += STACK_BIAS;
 137         else
 138                 usp &= 0xffffffffUL;
 139
 140         return (void __user *) (usp - len);
 141 }
 142
 143 struct compat_ipc64_perm {
 144         compat_key_t key;
 145         __kernel_uid_t uid;
 146         __kernel_gid_t gid;
 147         __kernel_uid_t cuid;
 148         __kernel_gid_t cgid;
 149         unsigned short __pad1;
 150         compat_mode_t mode;
 151         unsigned short __pad2;
 152         unsigned short seq;
 153         unsigned long __unused1;        /* yes they really are 64bit pads */
 154         unsigned long __unused2;
 155 };
 156
 157 struct compat_semid64_ds {
 158         struct compat_ipc64_perm sem_perm;
 159         unsigned int    __pad1;
 160         compat_time_t   sem_otime;
 161         unsigned int    __pad2;
 162         compat_time_t   sem_ctime;
 163         u32             sem_nsems;
 164         u32             __unused1;
 165         u32             __unused2;
 166 };
 167
 168 struct compat_msqid64_ds {
 169         struct compat_ipc64_perm msg_perm;
 170         unsigned int    __pad1;
 171         compat_time_t   msg_stime;
 172         unsigned int    __pad2;
 173         compat_time_t   msg_rtime;
 174         unsigned int    __pad3;
 175         compat_time_t   msg_ctime;
 176         unsigned int    msg_cbytes;
 177         unsigned int    msg_qnum;
 178         unsigned int    msg_qbytes;
 179         compat_pid_t    msg_lspid;
 180         compat_pid_t    msg_lrpid;
 181         unsigned int    __unused1;
 182         unsigned int    __unused2;
 183 };
 184
 185 struct compat_shmid64_ds {
 186         struct compat_ipc64_perm shm_perm;
 187         unsigned int    __pad1;
 188         compat_time_t   shm_atime;
 189         unsigned int    __pad2;
 190         compat_time_t   shm_dtime;
 191         unsigned int    __pad3;
 192         compat_time_t   shm_ctime;
 193         compat_size_t   shm_segsz;
 194         compat_pid_t    shm_cpid;
 195         compat_pid_t    shm_lpid;
 196         unsigned int    shm_nattch;
 197         unsigned int    __unused1;
 198         unsigned int    __unused2;
 199 };
 200
 201 #endif /* _ASM_SPARC64_COMPAT_H */