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bsd-user: Implement h2t_freebsd_fhandle t2h_freebsd_fhandle

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Implement the stat conversion functions:
h2t_freebsd_fhandle
t2h_freebsd_fhandle

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
This commit is contained in:
Stacey Son 2023-08-13 10:41:34 +02:00 committed by Warner Losh
parent 86547e577b
commit f2bc92aaf3
1 changed files with 37 additions and 0 deletions
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37
bsd-user/freebsd/os-stat.c
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@ -92,3 +92,40 @@ abi_long h2t_freebsd11_nstat(abi_ulong target_addr,
return 0;
}
/*
* file handle conversion
*/
abi_long t2h_freebsd_fhandle(fhandle_t *host_fh, abi_ulong target_addr)
{
target_freebsd_fhandle_t *target_fh;
if (!lock_user_struct(VERIFY_READ, target_fh, target_addr, 1)) {
return -TARGET_EFAULT;
}
__get_user(host_fh->fh_fsid.val[0], &target_fh->fh_fsid.val[0]);
__get_user(host_fh->fh_fsid.val[1], &target_fh->fh_fsid.val[0]);
__get_user(host_fh->fh_fid.fid_len, &target_fh->fh_fid.fid_len);
/* u_short fid_data0; */
memcpy(host_fh->fh_fid.fid_data, target_fh->fh_fid.fid_data,
TARGET_MAXFIDSZ);
unlock_user_struct(target_fh, target_addr, 0);
return 0;
}
abi_long h2t_freebsd_fhandle(abi_ulong target_addr, fhandle_t *host_fh)
{
target_freebsd_fhandle_t *target_fh;
if (!lock_user_struct(VERIFY_WRITE, target_fh, target_addr, 0)) {
return -TARGET_EFAULT;
}
__put_user(host_fh->fh_fsid.val[0], &target_fh->fh_fsid.val[0]);
__put_user(host_fh->fh_fsid.val[1], &target_fh->fh_fsid.val[0]);
__put_user(host_fh->fh_fid.fid_len, &target_fh->fh_fid.fid_len);
/* u_short fid_data0; */
memcpy(target_fh->fh_fid.fid_data, host_fh->fh_fid.fid_data,
TARGET_MAXFIDSZ);
unlock_user_struct(target_fh, target_addr, 1);
return 0;
}