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linux_osf1.c revision 1.3.4.2
      1 /*	$NetBSD: linux_osf1.c,v 1.3.4.2 2019/06/10 22:06:59 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed by Christopher G. Demetriou
     17  *	for the NetBSD Project.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: linux_osf1.c,v 1.3.4.2 2019/06/10 22:06:59 christos Exp $");
     35 
     36 #include <sys/param.h>
     37 #include <sys/systm.h>
     38 #include <sys/namei.h>
     39 #include <sys/proc.h>
     40 #include <sys/file.h>
     41 #include <sys/filedesc.h>
     42 #include <sys/kernel.h>
     43 #include <sys/mount.h>
     44 #include <sys/vnode.h>
     45 #include <sys/wait.h>
     46 #include <sys/select.h>
     47 #include <sys/syscallargs.h>
     48 #include <sys/vfs_syscalls.h>
     49 
     50 #include <machine/alpha.h>
     51 #include <machine/cpuconf.h>
     52 #include <machine/rpb.h>
     53 #include <machine/fpu.h>
     54 
     55 #include <compat/common/compat_util.h>
     56 #include <compat/linux/common/linux_types.h>
     57 #include <compat/linux/common/linux_signal.h>
     58 #include <compat/linux/arch/alpha/linux_signal.h>
     59 #include <compat/linux/arch/alpha/linux_osf1.h>
     60 #include <compat/linux/linux_syscallargs.h>
     61 
     62 #include <net/if.h>
     63 #include <netinet/in.h>
     64 
     65 #include <nfs/rpcv2.h>
     66 #include <nfs/nfsproto.h>
     67 #include <nfs/nfs.h>
     68 #include <nfs/nfsmount.h>
     69 
     70 #include <ufs/ufs/quota.h>
     71 #include <ufs/ufs/ufsmount.h>
     72 
     73 #include <machine/vmparam.h>
     74 
     75 const struct emul_flags_xtab osf1_wait_options_xtab[] = {
     76     {	OSF1_WNOHANG,		OSF1_WNOHANG,		WNOHANG		},
     77     {	OSF1_WUNTRACED,		OSF1_WUNTRACED,		WUNTRACED	},
     78     {	0								}
     79 };
     80 
     81 const struct emul_flags_xtab osf1_nfs_mount_flags_xtab[] = {
     82     {	OSF1_NFSMNT_SOFT,	OSF1_NFSMNT_SOFT,	NFSMNT_SOFT,	},
     83     {	OSF1_NFSMNT_WSIZE,	OSF1_NFSMNT_WSIZE,	NFSMNT_WSIZE,	},
     84     {	OSF1_NFSMNT_RSIZE,	OSF1_NFSMNT_RSIZE,	NFSMNT_RSIZE,	},
     85     {	OSF1_NFSMNT_TIMEO,	OSF1_NFSMNT_TIMEO,	NFSMNT_TIMEO,	},
     86     {	OSF1_NFSMNT_RETRANS,	OSF1_NFSMNT_RETRANS,	NFSMNT_RETRANS,	},
     87 #if 0 /* no equivalent; needs special handling, see below */
     88     {	OSF1_NFSMNT_HOSTNAME,	OSF1_NFSMNT_HOSTNAME,	???,		},
     89 #endif
     90     {	OSF1_NFSMNT_INT,	OSF1_NFSMNT_INT,	NFSMNT_INT,	},
     91     {	OSF1_NFSMNT_NOCONN,	OSF1_NFSMNT_NOCONN,	NFSMNT_NOCONN,	},
     92 #if 0 /* no equivalents */
     93     {	OSF1_NFSMNT_NOAC,	OSF1_NFSMNT_NOAC,	???,		},
     94     {	OSF1_NFSMNT_ACREGMIN,	OSF1_NFSMNT_ACREGMIN,	???,		},
     95     {	OSF1_NFSMNT_ACREGMAX,	OSF1_NFSMNT_ACREGMAX,	???,		},
     96     {	OSF1_NFSMNT_ACDIRMIN,	OSF1_NFSMNT_ACDIRMIN,	???,		},
     97     {	OSF1_NFSMNT_ACDIRMAX,	OSF1_NFSMNT_ACDIRMAX,	???,		},
     98     {	OSF1_NFSMNT_NOCTO,	OSF1_NFSMNT_NOCTO,	???,		},
     99     {	OSF1_NFSMNT_POSIX,	OSF1_NFSMNT_POSIX,	???,		},
    100     {	OSF1_NFSMNT_AUTO,	OSF1_NFSMNT_AUTO,	???,		},
    101     {	OSF1_NFSMNT_SEC,	OSF1_NFSMNT_SEC,	???,		},
    102     {	OSF1_NFSMNT_TCP,	OSF1_NFSMNT_TCP,	???,		},
    103     {	OSF1_NFSMNT_PROPLIST,	OSF1_NFSMNT_PROPLIST,	???,		},
    104 #endif
    105     {	0								}
    106 };
    107 
    108 static void
    109 osf1_cvt_rusage_from_native(const struct rusage *ru, struct osf1_rusage *oru)
    110 {
    111 
    112 	oru->ru_utime.tv_sec = ru->ru_utime.tv_sec;
    113 	oru->ru_utime.tv_usec = ru->ru_utime.tv_usec;
    114 
    115 	oru->ru_stime.tv_sec = ru->ru_stime.tv_sec;
    116 	oru->ru_stime.tv_usec = ru->ru_stime.tv_usec;
    117 
    118 	oru->ru_maxrss = ru->ru_maxrss;
    119 	oru->ru_ixrss = ru->ru_ixrss;
    120 	oru->ru_idrss = ru->ru_idrss;
    121 	oru->ru_isrss = ru->ru_isrss;
    122 	oru->ru_minflt = ru->ru_minflt;
    123 	oru->ru_majflt = ru->ru_majflt;
    124 	oru->ru_nswap = ru->ru_nswap;
    125 	oru->ru_inblock = ru->ru_inblock;
    126 	oru->ru_oublock = ru->ru_oublock;
    127 	oru->ru_msgsnd = ru->ru_msgsnd;
    128 	oru->ru_msgrcv = ru->ru_msgrcv;
    129 	oru->ru_nsignals = ru->ru_nsignals;
    130 	oru->ru_nvcsw = ru->ru_nvcsw;
    131 	oru->ru_nivcsw = ru->ru_nivcsw;
    132 }
    133 
    134 static void
    135 osf1_cvt_statfs_from_native(const struct statvfs *bsfs, struct osf1_statfs *osfs)
    136 {
    137 
    138 	memset(osfs, 0, sizeof (struct osf1_statfs));
    139 	if (!strncmp(MOUNT_FFS, bsfs->f_fstypename, sizeof(bsfs->f_fstypename)))
    140 		osfs->f_type = OSF1_MOUNT_UFS;
    141 	else if (!strncmp(MOUNT_NFS, bsfs->f_fstypename, sizeof(bsfs->f_fstypename)))
    142 		osfs->f_type = OSF1_MOUNT_NFS;
    143 	else if (!strncmp(MOUNT_MFS, bsfs->f_fstypename, sizeof(bsfs->f_fstypename)))
    144 		osfs->f_type = OSF1_MOUNT_MFS;
    145 	else
    146 		/* uh oh...  XXX = PC, CDFS, PROCFS, etc. */
    147 		osfs->f_type = OSF1_MOUNT_ADDON;
    148 	osfs->f_flags = bsfs->f_flag;		/* XXX translate */
    149 	osfs->f_fsize = bsfs->f_frsize;
    150 	osfs->f_bsize = bsfs->f_bsize;
    151 	osfs->f_blocks = bsfs->f_blocks;
    152 	osfs->f_bfree = bsfs->f_bfree;
    153 	osfs->f_bavail = bsfs->f_bavail;
    154 	osfs->f_files = bsfs->f_files;
    155 	osfs->f_ffree = bsfs->f_ffree;
    156 	memcpy(&osfs->f_fsid, &bsfs->f_fsidx, sizeof osfs->f_fsid);
    157 	/* osfs->f_spare zeroed above */
    158 	memcpy(osfs->f_mntonname, bsfs->f_mntonname, sizeof osfs->f_mntonname);
    159 	memcpy(osfs->f_mntfromname, bsfs->f_mntfromname,
    160 	    sizeof osfs->f_mntfromname);
    161 	/* XXX osfs->f_xxx should be filled in... */
    162 }
    163 
    164 /* --------------------------------------------------------------------- */
    165 
    166 int
    167 linux_sys_osf1_wait4(struct lwp *l, const struct linux_sys_osf1_wait4_args *uap, register_t *retval)
    168 {
    169 	struct osf1_rusage osf1_rusage;
    170 	struct rusage netbsd_rusage;
    171 	unsigned long leftovers;
    172 	int error, status;
    173 	int options = SCARG(uap, options);
    174 	int pid = SCARG(uap, pid);
    175 
    176 	/* translate options */
    177 	options = emul_flags_translate(osf1_wait_options_xtab,
    178 	    options, &leftovers);
    179 	if (leftovers != 0)
    180 		return (EINVAL);
    181 
    182 	error = do_sys_wait(&pid, &status, options,
    183 	    SCARG(uap, rusage) != NULL ? &netbsd_rusage : NULL);
    184 
    185 	retval[0] = pid;
    186 	if (pid == 0)
    187 		return error;
    188 
    189 	if (SCARG(uap, rusage)) {
    190 		osf1_cvt_rusage_from_native(&netbsd_rusage, &osf1_rusage);
    191 		error = copyout(&osf1_rusage, SCARG(uap, rusage),
    192 		    sizeof osf1_rusage);
    193 	}
    194 
    195 	if (error == 0 && SCARG(uap, status))
    196 		error = copyout(&status, SCARG(uap, status), sizeof(status));
    197 
    198 	return error;
    199 }
    200 
    201 #define	OSF1_MNT_WAIT		0x1
    202 #define	OSF1_MNT_NOWAIT		0x2
    203 
    204 #define	OSF1_MNT_FORCE		0x1
    205 #define	OSF1_MNT_NOFORCE	0x2
    206 
    207 /* acceptable flags for various calls */
    208 #define	OSF1_GETFSSTAT_FLAGS	(OSF1_MNT_WAIT|OSF1_MNT_NOWAIT)
    209 #define	OSF1_MOUNT_FLAGS	0xffffffff			/* XXX */
    210 #define	OSF1_UNMOUNT_FLAGS	(OSF1_MNT_FORCE|OSF1_MNT_NOFORCE)
    211 
    212 static int
    213 osf1_mount_mfs(struct lwp *l, const struct linux_sys_osf1_mount_args *uap)
    214 {
    215 	struct osf1_mfs_args osf_ma;
    216 	struct mfs_args bsd_ma;
    217 	int error;
    218 	register_t dummy;
    219 
    220 	if ((error = copyin(SCARG(uap, data), &osf_ma, sizeof osf_ma)))
    221 		return error;
    222 
    223 	memset(&bsd_ma, 0, sizeof bsd_ma);
    224 	bsd_ma.fspec = osf_ma.name;
    225 	/* XXX export args */
    226 	bsd_ma.base = osf_ma.base;
    227 	bsd_ma.size = osf_ma.size;
    228 
    229 	return do_sys_mount(l, "mfs", UIO_SYSSPACE, SCARG(uap, path),
    230 	    SCARG(uap, flags), &bsd_ma, UIO_SYSSPACE, sizeof bsd_ma, &dummy);
    231 }
    232 
    233 static int
    234 osf1_mount_nfs(struct lwp *l, const struct linux_sys_osf1_mount_args *uap)
    235 {
    236 	struct osf1_nfs_args osf_na;
    237 	struct nfs_args bsd_na;
    238 	int error;
    239 	unsigned long leftovers;
    240 	register_t dummy;
    241 
    242 	if ((error = copyin(SCARG(uap, data), &osf_na, sizeof osf_na)))
    243 		return error;
    244 
    245 	memset(&bsd_na, 0, sizeof bsd_na);
    246 	bsd_na.addr = (struct sockaddr *)osf_na.addr;
    247 	bsd_na.addrlen = sizeof (struct sockaddr_in);
    248 	bsd_na.fh = osf_na.fh;
    249 
    250         /* translate flags */
    251         bsd_na.flags = emul_flags_translate(osf1_nfs_mount_flags_xtab,
    252             osf_na.flags, &leftovers);
    253 	if (leftovers & OSF1_NFSMNT_HOSTNAME) {
    254 		leftovers &= ~OSF1_NFSMNT_HOSTNAME;
    255 		bsd_na.hostname = osf_na.hostname;
    256 	} else {
    257 		/* XXX FILL IN HOST NAME WITH IPADDR? */
    258 	}
    259 	if (leftovers & OSF1_NFSMNT_TCP) {
    260 		leftovers &= ~OSF1_NFSMNT_TCP;
    261 		bsd_na.sotype = SOCK_DGRAM;
    262 		bsd_na.proto = 0;
    263 	} else {
    264 		bsd_na.sotype = SOCK_STREAM;
    265 		bsd_na.proto = 0;
    266 	}
    267         if (leftovers != 0)
    268                 return (EINVAL);
    269 
    270 	/* copy structure elements based on flags */
    271 	if (bsd_na.flags & NFSMNT_WSIZE)
    272 		bsd_na.wsize = osf_na.wsize;
    273 	if (bsd_na.flags & NFSMNT_RSIZE)
    274 		bsd_na.rsize = osf_na.rsize;
    275 	if (bsd_na.flags & NFSMNT_TIMEO)
    276 		bsd_na.timeo = osf_na.timeo;
    277 	if (bsd_na.flags & NFSMNT_RETRANS)
    278 		bsd_na.retrans = osf_na.retrans;
    279 
    280 	return do_sys_mount(l, "nfs", UIO_SYSSPACE, SCARG(uap, path),
    281 	    SCARG(uap, flags), &bsd_na, UIO_SYSSPACE, sizeof bsd_na, &dummy);
    282 }
    283 
    284 int
    285 linux_sys_osf1_mount(struct lwp *l, const struct linux_sys_osf1_mount_args *uap, register_t *retval)
    286 {
    287 
    288 	if (SCARG(uap, flags) & ~OSF1_MOUNT_FLAGS)
    289 		return (EINVAL);
    290 
    291 	/* XXX - xlate flags */
    292 
    293 	switch (SCARG(uap, type)) {
    294 	case OSF1_MOUNT_NFS:
    295 		return osf1_mount_nfs(l, uap);
    296 		break;
    297 
    298 	case OSF1_MOUNT_MFS:
    299 		return osf1_mount_mfs(l, uap);
    300 
    301 	default:
    302 		return (EINVAL);
    303 	}
    304 }
    305 
    306 int
    307 linux_sys_osf1_set_program_attributes(struct lwp *l, const struct linux_sys_osf1_set_program_attributes_args *uap, register_t *retval)
    308 {
    309 	struct proc *p = l->l_proc;
    310 	segsz_t tsize, dsize;
    311 
    312 	tsize = btoc(SCARG(uap, tsize));
    313 	dsize = btoc(SCARG(uap, dsize));
    314 
    315 	if (dsize > p->p_rlimit[RLIMIT_DATA].rlim_cur)
    316 		return (ENOMEM);
    317 	if (tsize > MAXTSIZ)
    318 		return (ENOMEM);
    319 
    320 	/* XXXSMP unlocked */
    321 	p->p_vmspace->vm_taddr = SCARG(uap, taddr);
    322 	p->p_vmspace->vm_tsize = tsize;
    323 	p->p_vmspace->vm_daddr = SCARG(uap, daddr);
    324 	p->p_vmspace->vm_dsize = dsize;
    325 
    326 	return (0);
    327 }
    328 
    329 int
    330 linux_sys_osf1_setitimer(struct lwp *l, const struct linux_sys_osf1_setitimer_args *uap, register_t *retval)
    331 {
    332 	struct osf1_itimerval o_itv, o_oitv;
    333 	struct itimerval b_itv, b_oitv;
    334 	int which;
    335 	int error;
    336 
    337 	switch (SCARG(uap, which)) {
    338 	case OSF1_ITIMER_REAL:
    339 		which = ITIMER_REAL;
    340 		break;
    341 
    342 	case OSF1_ITIMER_VIRTUAL:
    343 		which = ITIMER_VIRTUAL;
    344 		break;
    345 
    346 	case OSF1_ITIMER_PROF:
    347 		which = ITIMER_PROF;
    348 		break;
    349 
    350 	default:
    351 		return (EINVAL);
    352 	}
    353 
    354 	/* get the OSF/1 itimerval argument */
    355 	error = copyin(SCARG(uap, itv), &o_itv, sizeof o_itv);
    356 	if (error != 0)
    357 		return error;
    358 
    359 	/* fill in and the NetBSD timeval */
    360 	memset(&b_itv, 0, sizeof b_itv);
    361 	b_itv.it_interval.tv_sec = o_itv.it_interval.tv_sec;
    362 	b_itv.it_interval.tv_usec = o_itv.it_interval.tv_usec;
    363 	b_itv.it_value.tv_sec = o_itv.it_value.tv_sec;
    364 	b_itv.it_value.tv_usec = o_itv.it_value.tv_usec;
    365 
    366 	if (SCARG(uap, oitv) != NULL) {
    367 		dogetitimer(l->l_proc, which, &b_oitv);
    368 		if (error)
    369 			return error;
    370 	}
    371 
    372 	error = dosetitimer(l->l_proc, which, &b_itv);
    373 
    374 	if (error == 0 || SCARG(uap, oitv) == NULL)
    375 		return error;
    376 
    377 	/* fill in and copy out the old timeval */
    378 	memset(&o_oitv, 0, sizeof o_oitv);
    379 	o_oitv.it_interval.tv_sec = b_oitv.it_interval.tv_sec;
    380 	o_oitv.it_interval.tv_usec = b_oitv.it_interval.tv_usec;
    381 	o_oitv.it_value.tv_sec = b_oitv.it_value.tv_sec;
    382 	o_oitv.it_value.tv_usec = b_oitv.it_value.tv_usec;
    383 
    384 	return copyout(&o_oitv, SCARG(uap, oitv), sizeof o_oitv);
    385 }
    386 
    387 int
    388 linux_sys_osf1_select(struct lwp *l, const struct linux_sys_osf1_select_args *uap,
    389     register_t *retval)
    390 {
    391 	struct osf1_timeval otv;
    392 	struct timespec ats, *ts = NULL;
    393 	int error;
    394 
    395 	if (SCARG(uap, tv)) {
    396 		/* get the OSF/1 timeval argument */
    397 		error = copyin(SCARG(uap, tv), &otv, sizeof otv);
    398 		if (error != 0)
    399 			return error;
    400 
    401 		ats.tv_sec = otv.tv_sec;
    402 		ats.tv_nsec = otv.tv_usec * 1000;
    403 		ts = &ats;
    404 	}
    405 
    406 	return selcommon(retval, SCARG(uap, nd), SCARG(uap, in),
    407 	    SCARG(uap, ou), SCARG(uap, ex), ts, NULL);
    408 }
    409 
    410 int
    411 linux_sys_osf1_gettimeofday(struct lwp *l, const struct linux_sys_osf1_gettimeofday_args *uap, register_t *retval)
    412 {
    413 	struct osf1_timeval otv;
    414 	struct osf1_timezone otz;
    415 	struct timeval tv;
    416 	int error;
    417 
    418 	microtime(&tv);
    419 	memset(&otv, 0, sizeof otv);
    420 	otv.tv_sec = tv.tv_sec;
    421 	otv.tv_usec = tv.tv_usec;
    422 	error = copyout(&otv, SCARG(uap, tv), sizeof otv);
    423 
    424 	if (error == 0 && SCARG(uap, tzp) != NULL) {
    425 		memset(&otz, 0, sizeof otz);
    426 		error = copyout(&otz, SCARG(uap, tzp), sizeof otz);
    427 	}
    428 	return (error);
    429 }
    430 
    431 int
    432 linux_sys_osf1_getrusage(struct lwp *l, const struct linux_sys_osf1_getrusage_args *uap, register_t *retval)
    433 {
    434 	int error, who;
    435 	struct osf1_rusage osf1_rusage;
    436 	struct rusage ru;
    437 	struct proc *p = l->l_proc;
    438 
    439 
    440 	switch (SCARG(uap, who)) {
    441 	case OSF1_RUSAGE_SELF:
    442 		who = RUSAGE_SELF;
    443 		break;
    444 
    445 	case OSF1_RUSAGE_CHILDREN:
    446 		who = RUSAGE_CHILDREN;
    447 		break;
    448 
    449 	case OSF1_RUSAGE_THREAD:		/* XXX not supported */
    450 	default:
    451 		return EINVAL;
    452 	}
    453 
    454 	error = getrusage1(p, who, &ru);
    455 	if (error != 0)
    456 		return error;
    457 
    458 	osf1_cvt_rusage_from_native(&ru, &osf1_rusage);
    459 
    460 	return copyout(&osf1_rusage, SCARG(uap, rusage), sizeof osf1_rusage);
    461 }
    462 
    463 int
    464 linux_sys_osf1_settimeofday(struct lwp *l, const struct linux_sys_osf1_settimeofday_args *uap, register_t *retval)
    465 {
    466 	struct osf1_timeval otv;
    467 	struct timeval tv, *tvp;
    468 	int error = 0;
    469 
    470 	if (SCARG(uap, tv) == NULL)
    471 		tvp = NULL;
    472 	else {
    473 		/* get the OSF/1 timeval argument */
    474 		error = copyin(SCARG(uap, tv), &otv, sizeof otv);
    475 		if (error != 0)
    476 			return error;
    477 
    478 		tv.tv_sec = otv.tv_sec;
    479 		tv.tv_usec = otv.tv_usec;
    480 		tvp = &tv;
    481 	}
    482 
    483 	/* NetBSD ignores the timezone field */
    484 
    485 	return settimeofday1(tvp, false, (const void *)SCARG(uap, tzp), l, true);
    486 }
    487 
    488 int
    489 linux_sys_osf1_utimes(struct lwp *l, const struct linux_sys_osf1_utimes_args *uap, register_t *retval)
    490 {
    491 	struct osf1_timeval otv;
    492 	struct timeval tv[2], *tvp;
    493 	int error;
    494 
    495 	if (SCARG(uap, tptr) == NULL)
    496 		tvp = NULL;
    497 	else {
    498 		/* get the OSF/1 timeval argument */
    499 		error = copyin(SCARG(uap, tptr), &otv, sizeof otv);
    500 		if (error != 0)
    501 			return error;
    502 
    503 		/* fill in and copy out the NetBSD timeval */
    504 		tv[0].tv_sec = otv.tv_sec;
    505 		tv[0].tv_usec = otv.tv_usec;
    506 		/* Set access and modified to the same time */
    507 		tv[1].tv_sec = otv.tv_sec;
    508 		tv[1].tv_usec = otv.tv_usec;
    509 		tvp = tv;
    510 	}
    511 
    512 	return do_sys_utimes(l, NULL, SCARG(uap, path), FOLLOW,
    513 			    tvp, UIO_SYSSPACE);
    514 }
    515 
    516 int
    517 linux_sys_osf1_statfs(struct lwp *l, const struct linux_sys_osf1_statfs_args *uap, register_t *retval)
    518 {
    519 	struct mount *mp;
    520 	struct statvfs *sp;
    521 	struct osf1_statfs osfs;
    522 	int error;
    523 	struct vnode *vp;
    524 
    525 	error = namei_simple_user(SCARG(uap, path),
    526 				NSM_FOLLOW_TRYEMULROOT, &vp);
    527 	if (error != 0)
    528 		return (error);
    529 	mp = vp->v_mount;
    530 	sp = &mp->mnt_stat;
    531 	vrele(vp);
    532 	if ((error = VFS_STATVFS(mp, sp)))
    533 		return (error);
    534 	sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
    535 	osf1_cvt_statfs_from_native(sp, &osfs);
    536 	return copyout(&osfs, SCARG(uap, buf), uimin(sizeof osfs,
    537 	    SCARG(uap, len)));
    538 }
    539 
    540 int
    541 linux_sys_osf1_fstatfs(struct lwp *l, const struct linux_sys_osf1_fstatfs_args *uap, register_t *retval)
    542 {
    543 	file_t *fp;
    544 	struct mount *mp;
    545 	struct statvfs *sp;
    546 	struct osf1_statfs osfs;
    547 	int error;
    548 
    549 	/* fd_getvnode() will use the descriptor for us */
    550 	if ((error = fd_getvnode(SCARG(uap, fd), &fp)))
    551 		return (error);
    552 	mp = fp->f_vnode->v_mount;
    553 	sp = &mp->mnt_stat;
    554 	if ((error = VFS_STATVFS(mp, sp)))
    555 		goto out;
    556 	sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
    557 	osf1_cvt_statfs_from_native(sp, &osfs);
    558 	error = copyout(&osfs, SCARG(uap, buf), uimin(sizeof osfs,
    559 	    SCARG(uap, len)));
    560  out:
    561  	fd_putfile(SCARG(uap, fd));
    562 	return (error);
    563 }
    564 
    565 int
    566 linux_sys_osf1_sysinfo(struct lwp *l, const struct linux_sys_osf1_sysinfo_args *uap, register_t *retval)
    567 {
    568 	const char *string;
    569 	size_t slen;
    570 	int error;
    571 
    572 	error = 0;
    573 	switch (SCARG(uap, cmd)) {
    574 	case OSF1_SI_SYSNAME:
    575 		string = ostype;
    576 		break;
    577 
    578 	case OSF1_SI_HOSTNAME:
    579 		string = hostname;
    580 		break;
    581 
    582 	case OSF1_SI_RELEASE:
    583 		string = osrelease;
    584 		break;
    585 
    586 	case OSF1_SI_VERSION:
    587 		goto should_handle;
    588 
    589 	case OSF1_SI_MACHINE:
    590 		string = MACHINE;
    591 		break;
    592 
    593 	case OSF1_SI_ARCHITECTURE:
    594 		string = MACHINE_ARCH;
    595 		break;
    596 
    597 	case OSF1_SI_HW_SERIAL:
    598 		string = "666";			/* OSF/1 emulation?  YES! */
    599 		break;
    600 
    601 	case OSF1_SI_HW_PROVIDER:
    602 		string = "unknown";
    603 		break;
    604 
    605 	case OSF1_SI_SRPC_DOMAIN:
    606 		goto dont_care;
    607 
    608 	case OSF1_SI_SET_HOSTNAME:
    609 		goto should_handle;
    610 
    611 	case OSF1_SI_SET_SYSNAME:
    612 		goto should_handle;
    613 
    614 	case OSF1_SI_SET_SRPC_DOMAIN:
    615 		goto dont_care;
    616 
    617 	default:
    618 should_handle:
    619 		printf("osf1_sys_sysinfo(%d, %p, 0x%lx)\n", SCARG(uap, cmd),
    620 		    SCARG(uap, buf), SCARG(uap,len));
    621 dont_care:
    622 		return (EINVAL);
    623 	};
    624 
    625 	slen = strlen(string) + 1;
    626 	if (SCARG(uap, buf)) {
    627 		error = copyout(string, SCARG(uap, buf),
    628 				uimin(slen, SCARG(uap, len)));
    629 		if (!error && (SCARG(uap, len) > 0) && (SCARG(uap, len) < slen))
    630 			error = ustore_char(SCARG(uap, buf)
    631 					    + SCARG(uap, len) - 1, 0);
    632 	}
    633 	if (!error)
    634 		retval[0] = slen;
    635 
    636 	return (error);
    637 }
    638 
    639 int
    640 linux_sys_osf1_usleep_thread(struct lwp *l, const struct linux_sys_osf1_usleep_thread_args *uap, register_t *retval)
    641 {
    642 	struct osf1_timeval otv, endotv;
    643 	struct timeval tv, ntv, endtv;
    644 	u_long ticks;
    645 	int error;
    646 
    647 	if ((error = copyin(SCARG(uap, sleep), &otv, sizeof otv)))
    648 		return (error);
    649 	tv.tv_sec = otv.tv_sec;
    650 	tv.tv_usec = otv.tv_usec;
    651 
    652 	ticks = howmany((u_long)tv.tv_sec * 1000000 + tv.tv_usec, tick);
    653 	if (ticks == 0)
    654 		ticks = 1;
    655 
    656 	getmicrotime(&tv);
    657 
    658 	tsleep(l, PUSER|PCATCH, "uslpthrd", ticks);	/* XXX */
    659 
    660 	if (SCARG(uap, slept) != NULL) {
    661 		getmicrotime(&ntv);
    662 		timersub(&ntv, &tv, &endtv);
    663 		if (endtv.tv_sec < 0 || endtv.tv_usec < 0)
    664 			endtv.tv_sec = endtv.tv_usec = 0;
    665 
    666 		endotv.tv_sec = endtv.tv_sec;
    667 		endotv.tv_usec = endtv.tv_usec;
    668 		error = copyout(&endotv, SCARG(uap, slept), sizeof endotv);
    669 	}
    670 	return (error);
    671 }
    672 
    673 int
    674 linux_sys_osf1_getsysinfo(struct lwp *l, const struct linux_sys_osf1_getsysinfo_args *uap, register_t *retval)
    675 {
    676 	extern int ncpus;
    677 	int error;
    678 	int unit;
    679 	long percpu;
    680 	long proctype;
    681 	u_int64_t fpflags;
    682 	struct osf1_cpu_info cpuinfo;
    683 	const void *data;
    684 	size_t datalen;
    685 
    686 	error = 0;
    687 
    688 	switch(SCARG(uap, op))
    689 	{
    690 	case OSF_GET_MAX_UPROCS:
    691 		data = &maxproc;
    692 		datalen = sizeof(maxproc);
    693 		break;
    694 	case OSF_GET_PHYSMEM:
    695 		data = &physmem;
    696 		datalen = sizeof(physmem);
    697 		break;
    698 	case OSF_GET_MAX_CPU:
    699 	case OSF_GET_CPUS_IN_BOX:
    700 		data = &ncpus;
    701 		datalen = sizeof(ncpus);
    702 		break;
    703 	case OSF_GET_IEEE_FP_CONTROL:
    704 		if (((fpflags = alpha_read_fp_c(l)) & IEEE_INHERIT) != 0) {
    705 			fpflags |= 1ULL << 63;
    706 			fpflags &= ~IEEE_INHERIT;
    707 		}
    708 		data = &fpflags;
    709 		datalen = sizeof(fpflags);
    710 		break;
    711 	case OSF_GET_CPU_INFO:
    712 		memset(&cpuinfo, 0, sizeof(cpuinfo));
    713 #ifdef __alpha__
    714 		unit = alpha_pal_whami();
    715 #else
    716 		unit = 0; /* XXX */
    717 #endif
    718 		cpuinfo.current_cpu = unit;
    719 		cpuinfo.cpus_in_box = ncpus;
    720 		cpuinfo.cpu_type = LOCATE_PCS(hwrpb, unit)->pcs_proc_type;
    721 		cpuinfo.ncpus = ncpus;
    722 		cpuinfo.cpus_present = ncpus;
    723 		cpuinfo.cpus_running = ncpus;
    724 		cpuinfo.cpu_binding = 1;
    725 		cpuinfo.cpu_ex_binding = 0;
    726 		cpuinfo.mhz = hwrpb->rpb_cc_freq / 1000000;
    727 		data = &cpuinfo;
    728 		datalen = sizeof(cpuinfo);
    729 		break;
    730 	case OSF_GET_PROC_TYPE:
    731 #ifdef __alpha__
    732 		unit = alpha_pal_whami();
    733 		proctype = LOCATE_PCS(hwrpb, unit)->pcs_proc_type;
    734 #else
    735 		proctype = 0;	/* XXX */
    736 #endif
    737 		data = &proctype;
    738 		datalen = sizeof(percpu);
    739 		break;
    740 	case OSF_GET_HWRPB: /* note -- osf/1 doesn't have rpb_tbhint[8] */
    741 		data = hwrpb;
    742 		datalen = hwrpb->rpb_size;
    743 		break;
    744 	case OSF_GET_PLATFORM_NAME:
    745 		data = platform.model;
    746 		datalen = strlen(platform.model) + 1;
    747 		break;
    748 	default:
    749 		printf("osf1_getsysinfo called with unknown op=%ld\n",
    750 		       SCARG(uap, op));
    751 		/* return EINVAL; */
    752 		return 0;
    753 	}
    754 
    755 	if (SCARG(uap, nbytes) < datalen)
    756 		return (EINVAL);
    757 	error = copyout(data, SCARG(uap, buffer), datalen);
    758 	if (!error)
    759 		retval[0] = 1;
    760 	return (error);
    761 }
    762 
    763 int
    764 linux_sys_osf1_setsysinfo(struct lwp *l, const struct linux_sys_osf1_setsysinfo_args *uap, register_t *retval)
    765 {
    766 	u_int64_t temp;
    767 	int error;
    768 
    769 	error = 0;
    770 
    771 	switch(SCARG(uap, op)) {
    772 	case OSF_SET_IEEE_FP_CONTROL:
    773 
    774 		if ((error = copyin(SCARG(uap, buffer), &temp, sizeof(temp))))
    775 			break;
    776 		if (temp >> 63 != 0)
    777 			temp |= IEEE_INHERIT;
    778 		alpha_write_fp_c(l, temp);
    779 		break;
    780 	default:
    781 		uprintf("osf1_setsysinfo called with op=%ld\n", SCARG(uap, op));
    782 		//error = EINVAL;
    783 	}
    784 	retval[0] = 0;
    785 	return (error);
    786 }
    787