1 /*        $NetBSD: linux_osf1.c,v 1.6 2024/10/01 16:35:41 riastradh 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 1.6 2024/10/01 16:35:41 riastradh 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
osf1_cvt_rusage_from_native(const struct rusage * ru,struct osf1_rusage * oru)109 osf1_cvt_rusage_from_native(const struct rusage *ru, struct osf1_rusage *oru)
110 {
111 
112           memset(oru, 0, sizeof(*oru));
113 
114           oru->ru_utime.tv_sec = ru->ru_utime.tv_sec;
115           oru->ru_utime.tv_usec = ru->ru_utime.tv_usec;
116 
117           oru->ru_stime.tv_sec = ru->ru_stime.tv_sec;
118           oru->ru_stime.tv_usec = ru->ru_stime.tv_usec;
119 
120           oru->ru_maxrss = ru->ru_maxrss;
121           oru->ru_ixrss = ru->ru_ixrss;
122           oru->ru_idrss = ru->ru_idrss;
123           oru->ru_isrss = ru->ru_isrss;
124           oru->ru_minflt = ru->ru_minflt;
125           oru->ru_majflt = ru->ru_majflt;
126           oru->ru_nswap = ru->ru_nswap;
127           oru->ru_inblock = ru->ru_inblock;
128           oru->ru_oublock = ru->ru_oublock;
129           oru->ru_msgsnd = ru->ru_msgsnd;
130           oru->ru_msgrcv = ru->ru_msgrcv;
131           oru->ru_nsignals = ru->ru_nsignals;
132           oru->ru_nvcsw = ru->ru_nvcsw;
133           oru->ru_nivcsw = ru->ru_nivcsw;
134 }
135 
136 static void
osf1_cvt_statfs_from_native(const struct statvfs * bsfs,struct osf1_statfs * osfs)137 osf1_cvt_statfs_from_native(const struct statvfs *bsfs, struct osf1_statfs *osfs)
138 {
139 
140           memset(osfs, 0, sizeof(*osfs));
141           if (!strncmp(MOUNT_FFS, bsfs->f_fstypename, sizeof(bsfs->f_fstypename)))
142                     osfs->f_type = OSF1_MOUNT_UFS;
143           else if (!strncmp(MOUNT_NFS, bsfs->f_fstypename, sizeof(bsfs->f_fstypename)))
144                     osfs->f_type = OSF1_MOUNT_NFS;
145           else if (!strncmp(MOUNT_MFS, bsfs->f_fstypename, sizeof(bsfs->f_fstypename)))
146                     osfs->f_type = OSF1_MOUNT_MFS;
147           else
148                     /* uh oh...  XXX = PC, CDFS, PROCFS, etc. */
149                     osfs->f_type = OSF1_MOUNT_ADDON;
150           osfs->f_flags = bsfs->f_flag;           /* XXX translate */
151           osfs->f_fsize = bsfs->f_frsize;
152           osfs->f_bsize = bsfs->f_bsize;
153           osfs->f_blocks = bsfs->f_blocks;
154           osfs->f_bfree = bsfs->f_bfree;
155           osfs->f_bavail = bsfs->f_bavail;
156           osfs->f_files = bsfs->f_files;
157           osfs->f_ffree = bsfs->f_ffree;
158           memcpy(&osfs->f_fsid, &bsfs->f_fsidx, sizeof osfs->f_fsid);
159           /* osfs->f_spare zeroed above */
160           memcpy(osfs->f_mntonname, bsfs->f_mntonname, sizeof osfs->f_mntonname);
161           memcpy(osfs->f_mntfromname, bsfs->f_mntfromname,
162               sizeof osfs->f_mntfromname);
163           /* XXX osfs->f_xxx should be filled in... */
164 }
165 
166 /* --------------------------------------------------------------------- */
167 
168 int
linux_sys_osf1_wait4(struct lwp * l,const struct linux_sys_osf1_wait4_args * uap,register_t * retval)169 linux_sys_osf1_wait4(struct lwp *l, const struct linux_sys_osf1_wait4_args *uap, register_t *retval)
170 {
171           struct osf1_rusage osf1_rusage;
172           struct rusage netbsd_rusage;
173           unsigned long leftovers;
174           int error, status;
175           int options = SCARG(uap, options);
176           int pid = SCARG(uap, pid);
177 
178           /* translate options */
179           options = emul_flags_translate(osf1_wait_options_xtab,
180               options, &leftovers);
181           if (leftovers != 0)
182                     return (EINVAL);
183 
184           error = do_sys_wait(&pid, &status, options,
185               SCARG(uap, rusage) != NULL ? &netbsd_rusage : NULL);
186 
187           retval[0] = pid;
188           if (pid == 0)
189                     return error;
190 
191           if (SCARG(uap, rusage)) {
192                     osf1_cvt_rusage_from_native(&netbsd_rusage, &osf1_rusage);
193                     error = copyout(&osf1_rusage, SCARG(uap, rusage),
194                         sizeof osf1_rusage);
195           }
196 
197           if (error == 0 && SCARG(uap, status))
198                     error = copyout(&status, SCARG(uap, status), sizeof(status));
199 
200           return error;
201 }
202 
203 #define   OSF1_MNT_WAIT                 0x1
204 #define   OSF1_MNT_NOWAIT               0x2
205 
206 #define   OSF1_MNT_FORCE                0x1
207 #define   OSF1_MNT_NOFORCE    0x2
208 
209 /* acceptable flags for various calls */
210 #define   OSF1_GETFSSTAT_FLAGS          (OSF1_MNT_WAIT|OSF1_MNT_NOWAIT)
211 #define   OSF1_MOUNT_FLAGS    0xffffffff                              /* XXX */
212 #define   OSF1_UNMOUNT_FLAGS  (OSF1_MNT_FORCE|OSF1_MNT_NOFORCE)
213 
214 static int
osf1_mount_mfs(struct lwp * l,const struct linux_sys_osf1_mount_args * uap)215 osf1_mount_mfs(struct lwp *l, const struct linux_sys_osf1_mount_args *uap)
216 {
217           struct osf1_mfs_args osf_ma;
218           struct mfs_args bsd_ma;
219           int error;
220           register_t dummy;
221 
222           if ((error = copyin(SCARG(uap, data), &osf_ma, sizeof osf_ma)))
223                     return error;
224 
225           memset(&bsd_ma, 0, sizeof bsd_ma);
226           bsd_ma.fspec = osf_ma.name;
227           /* XXX export args */
228           bsd_ma.base = osf_ma.base;
229           bsd_ma.size = osf_ma.size;
230 
231           return do_sys_mount(l, "mfs", UIO_SYSSPACE, SCARG(uap, path),
232               SCARG(uap, flags), &bsd_ma, UIO_SYSSPACE, sizeof bsd_ma, &dummy);
233 }
234 
235 static int
osf1_mount_nfs(struct lwp * l,const struct linux_sys_osf1_mount_args * uap)236 osf1_mount_nfs(struct lwp *l, const struct linux_sys_osf1_mount_args *uap)
237 {
238           struct osf1_nfs_args osf_na;
239           struct nfs_args bsd_na;
240           int error;
241           unsigned long leftovers;
242           register_t dummy;
243 
244           if ((error = copyin(SCARG(uap, data), &osf_na, sizeof osf_na)))
245                     return error;
246 
247           memset(&bsd_na, 0, sizeof bsd_na);
248           bsd_na.addr = (struct sockaddr *)osf_na.addr;
249           bsd_na.addrlen = sizeof (struct sockaddr_in);
250           bsd_na.fh = osf_na.fh;
251 
252         /* translate flags */
253         bsd_na.flags = emul_flags_translate(osf1_nfs_mount_flags_xtab,
254             osf_na.flags, &leftovers);
255           if (leftovers & OSF1_NFSMNT_HOSTNAME) {
256                     leftovers &= ~OSF1_NFSMNT_HOSTNAME;
257                     bsd_na.hostname = osf_na.hostname;
258           } else {
259                     /* XXX FILL IN HOST NAME WITH IPADDR? */
260           }
261           if (leftovers & OSF1_NFSMNT_TCP) {
262                     leftovers &= ~OSF1_NFSMNT_TCP;
263                     bsd_na.sotype = SOCK_DGRAM;
264                     bsd_na.proto = 0;
265           } else {
266                     bsd_na.sotype = SOCK_STREAM;
267                     bsd_na.proto = 0;
268           }
269         if (leftovers != 0)
270                 return (EINVAL);
271 
272           /* copy structure elements based on flags */
273           if (bsd_na.flags & NFSMNT_WSIZE)
274                     bsd_na.wsize = osf_na.wsize;
275           if (bsd_na.flags & NFSMNT_RSIZE)
276                     bsd_na.rsize = osf_na.rsize;
277           if (bsd_na.flags & NFSMNT_TIMEO)
278                     bsd_na.timeo = osf_na.timeo;
279           if (bsd_na.flags & NFSMNT_RETRANS)
280                     bsd_na.retrans = osf_na.retrans;
281 
282           return do_sys_mount(l, "nfs", UIO_SYSSPACE, SCARG(uap, path),
283               SCARG(uap, flags), &bsd_na, UIO_SYSSPACE, sizeof bsd_na, &dummy);
284 }
285 
286 int
linux_sys_osf1_mount(struct lwp * l,const struct linux_sys_osf1_mount_args * uap,register_t * retval)287 linux_sys_osf1_mount(struct lwp *l, const struct linux_sys_osf1_mount_args *uap, register_t *retval)
288 {
289 
290           if (SCARG(uap, flags) & ~OSF1_MOUNT_FLAGS)
291                     return (EINVAL);
292 
293           /* XXX - xlate flags */
294 
295           switch (SCARG(uap, type)) {
296           case OSF1_MOUNT_NFS:
297                     return osf1_mount_nfs(l, uap);
298                     break;
299 
300           case OSF1_MOUNT_MFS:
301                     return osf1_mount_mfs(l, uap);
302 
303           default:
304                     return (EINVAL);
305           }
306 }
307 
308 int
linux_sys_osf1_set_program_attributes(struct lwp * l,const struct linux_sys_osf1_set_program_attributes_args * uap,register_t * retval)309 linux_sys_osf1_set_program_attributes(struct lwp *l, const struct linux_sys_osf1_set_program_attributes_args *uap, register_t *retval)
310 {
311           struct proc *p = l->l_proc;
312           segsz_t tsize, dsize;
313 
314           tsize = btoc(SCARG(uap, tsize));
315           dsize = btoc(SCARG(uap, dsize));
316 
317           if (dsize > p->p_rlimit[RLIMIT_DATA].rlim_cur)
318                     return (ENOMEM);
319 #ifdef MAXTSIZ
320           if (tsize > MAXTSIZ)
321                     return (ENOMEM);
322 #endif
323 
324           /* XXXSMP unlocked */
325           p->p_vmspace->vm_taddr = SCARG(uap, taddr);
326           p->p_vmspace->vm_tsize = tsize;
327           p->p_vmspace->vm_daddr = SCARG(uap, daddr);
328           p->p_vmspace->vm_dsize = dsize;
329 
330           return (0);
331 }
332 
333 int
linux_sys_osf1_setitimer(struct lwp * l,const struct linux_sys_osf1_setitimer_args * uap,register_t * retval)334 linux_sys_osf1_setitimer(struct lwp *l, const struct linux_sys_osf1_setitimer_args *uap, register_t *retval)
335 {
336           struct osf1_itimerval o_itv, o_oitv;
337           struct itimerval b_itv, b_oitv;
338           int which;
339           int error;
340 
341           switch (SCARG(uap, which)) {
342           case OSF1_ITIMER_REAL:
343                     which = ITIMER_REAL;
344                     break;
345 
346           case OSF1_ITIMER_VIRTUAL:
347                     which = ITIMER_VIRTUAL;
348                     break;
349 
350           case OSF1_ITIMER_PROF:
351                     which = ITIMER_PROF;
352                     break;
353 
354           default:
355                     return (EINVAL);
356           }
357 
358           /* get the OSF/1 itimerval argument */
359           error = copyin(SCARG(uap, itv), &o_itv, sizeof o_itv);
360           if (error != 0)
361                     return error;
362 
363           /* fill in and the NetBSD timeval */
364           memset(&b_itv, 0, sizeof b_itv);
365           b_itv.it_interval.tv_sec = o_itv.it_interval.tv_sec;
366           b_itv.it_interval.tv_usec = o_itv.it_interval.tv_usec;
367           b_itv.it_value.tv_sec = o_itv.it_value.tv_sec;
368           b_itv.it_value.tv_usec = o_itv.it_value.tv_usec;
369 
370           if (SCARG(uap, oitv) != NULL) {
371                     dogetitimer(l->l_proc, which, &b_oitv);
372                     if (error)
373                               return error;
374           }
375 
376           error = dosetitimer(l->l_proc, which, &b_itv);
377 
378           if (error == 0 || SCARG(uap, oitv) == NULL)
379                     return error;
380 
381           /* fill in and copy out the old timeval */
382           memset(&o_oitv, 0, sizeof o_oitv);
383           o_oitv.it_interval.tv_sec = b_oitv.it_interval.tv_sec;
384           o_oitv.it_interval.tv_usec = b_oitv.it_interval.tv_usec;
385           o_oitv.it_value.tv_sec = b_oitv.it_value.tv_sec;
386           o_oitv.it_value.tv_usec = b_oitv.it_value.tv_usec;
387 
388           return copyout(&o_oitv, SCARG(uap, oitv), sizeof o_oitv);
389 }
390 
391 int
linux_sys_osf1_select(struct lwp * l,const struct linux_sys_osf1_select_args * uap,register_t * retval)392 linux_sys_osf1_select(struct lwp *l, const struct linux_sys_osf1_select_args *uap,
393     register_t *retval)
394 {
395           struct osf1_timeval otv;
396           struct timespec ats, *ts = NULL;
397           int error;
398 
399           if (SCARG(uap, tv)) {
400                     /* get the OSF/1 timeval argument */
401                     error = copyin(SCARG(uap, tv), &otv, sizeof otv);
402                     if (error != 0)
403                               return error;
404 
405                     ats.tv_sec = otv.tv_sec;
406                     ats.tv_nsec = otv.tv_usec * 1000;
407                     ts = &ats;
408           }
409 
410           return selcommon(retval, SCARG(uap, nd), SCARG(uap, in),
411               SCARG(uap, ou), SCARG(uap, ex), ts, NULL);
412 }
413 
414 int
linux_sys_osf1_gettimeofday(struct lwp * l,const struct linux_sys_osf1_gettimeofday_args * uap,register_t * retval)415 linux_sys_osf1_gettimeofday(struct lwp *l, const struct linux_sys_osf1_gettimeofday_args *uap, register_t *retval)
416 {
417           struct osf1_timeval otv;
418           struct osf1_timezone otz;
419           struct timeval tv;
420           int error;
421 
422           microtime(&tv);
423           memset(&otv, 0, sizeof otv);
424           otv.tv_sec = tv.tv_sec;
425           otv.tv_usec = tv.tv_usec;
426           error = copyout(&otv, SCARG(uap, tv), sizeof otv);
427 
428           if (error == 0 && SCARG(uap, tzp) != NULL) {
429                     memset(&otz, 0, sizeof otz);
430                     error = copyout(&otz, SCARG(uap, tzp), sizeof otz);
431           }
432           return (error);
433 }
434 
435 int
linux_sys_osf1_getrusage(struct lwp * l,const struct linux_sys_osf1_getrusage_args * uap,register_t * retval)436 linux_sys_osf1_getrusage(struct lwp *l, const struct linux_sys_osf1_getrusage_args *uap, register_t *retval)
437 {
438           int error, who;
439           struct osf1_rusage osf1_rusage;
440           struct rusage ru;
441           struct proc *p = l->l_proc;
442 
443 
444           switch (SCARG(uap, who)) {
445           case OSF1_RUSAGE_SELF:
446                     who = RUSAGE_SELF;
447                     break;
448 
449           case OSF1_RUSAGE_CHILDREN:
450                     who = RUSAGE_CHILDREN;
451                     break;
452 
453           case OSF1_RUSAGE_THREAD:                /* XXX not supported */
454           default:
455                     return EINVAL;
456           }
457 
458           error = getrusage1(p, who, &ru);
459           if (error != 0)
460                     return error;
461 
462           osf1_cvt_rusage_from_native(&ru, &osf1_rusage);
463 
464           return copyout(&osf1_rusage, SCARG(uap, rusage), sizeof osf1_rusage);
465 }
466 
467 int
linux_sys_osf1_settimeofday(struct lwp * l,const struct linux_sys_osf1_settimeofday_args * uap,register_t * retval)468 linux_sys_osf1_settimeofday(struct lwp *l, const struct linux_sys_osf1_settimeofday_args *uap, register_t *retval)
469 {
470           struct osf1_timeval otv;
471           struct timeval tv, *tvp;
472           int error = 0;
473 
474           if (SCARG(uap, tv) == NULL)
475                     tvp = NULL;
476           else {
477                     /* get the OSF/1 timeval argument */
478                     error = copyin(SCARG(uap, tv), &otv, sizeof otv);
479                     if (error != 0)
480                               return error;
481 
482                     tv.tv_sec = otv.tv_sec;
483                     tv.tv_usec = otv.tv_usec;
484                     tvp = &tv;
485           }
486 
487           /* NetBSD ignores the timezone field */
488 
489           return settimeofday1(tvp, false, (const void *)SCARG(uap, tzp), l, true);
490 }
491 
492 int
linux_sys_osf1_utimes(struct lwp * l,const struct linux_sys_osf1_utimes_args * uap,register_t * retval)493 linux_sys_osf1_utimes(struct lwp *l, const struct linux_sys_osf1_utimes_args *uap, register_t *retval)
494 {
495           struct osf1_timeval otv;
496           struct timeval tv[2], *tvp;
497           int error;
498 
499           if (SCARG(uap, tptr) == NULL)
500                     tvp = NULL;
501           else {
502                     /* get the OSF/1 timeval argument */
503                     error = copyin(SCARG(uap, tptr), &otv, sizeof otv);
504                     if (error != 0)
505                               return error;
506 
507                     /* fill in and copy out the NetBSD timeval */
508                     tv[0].tv_sec = otv.tv_sec;
509                     tv[0].tv_usec = otv.tv_usec;
510                     /* Set access and modified to the same time */
511                     tv[1].tv_sec = otv.tv_sec;
512                     tv[1].tv_usec = otv.tv_usec;
513                     tvp = tv;
514           }
515 
516           return do_sys_utimes(l, NULL, SCARG(uap, path), FOLLOW,
517                                   tvp, UIO_SYSSPACE);
518 }
519 
520 int
linux_sys_osf1_statfs(struct lwp * l,const struct linux_sys_osf1_statfs_args * uap,register_t * retval)521 linux_sys_osf1_statfs(struct lwp *l, const struct linux_sys_osf1_statfs_args *uap, register_t *retval)
522 {
523           struct mount *mp;
524           struct statvfs *sp;
525           struct osf1_statfs osfs;
526           int error;
527           struct vnode *vp;
528 
529           error = namei_simple_user(SCARG(uap, path),
530                                         NSM_FOLLOW_TRYEMULROOT, &vp);
531           if (error != 0)
532                     return (error);
533           mp = vp->v_mount;
534           sp = &mp->mnt_stat;
535           vrele(vp);
536           if ((error = VFS_STATVFS(mp, sp)))
537                     return (error);
538           sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
539           osf1_cvt_statfs_from_native(sp, &osfs);
540           return copyout(&osfs, SCARG(uap, buf), uimin(sizeof osfs,
541               SCARG(uap, len)));
542 }
543 
544 int
linux_sys_osf1_fstatfs(struct lwp * l,const struct linux_sys_osf1_fstatfs_args * uap,register_t * retval)545 linux_sys_osf1_fstatfs(struct lwp *l, const struct linux_sys_osf1_fstatfs_args *uap, register_t *retval)
546 {
547           file_t *fp;
548           struct mount *mp;
549           struct statvfs *sp;
550           struct osf1_statfs osfs;
551           int error;
552 
553           /* fd_getvnode() will use the descriptor for us */
554           if ((error = fd_getvnode(SCARG(uap, fd), &fp)))
555                     return (error);
556           mp = fp->f_vnode->v_mount;
557           sp = &mp->mnt_stat;
558           if ((error = VFS_STATVFS(mp, sp)))
559                     goto out;
560           sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
561           osf1_cvt_statfs_from_native(sp, &osfs);
562           error = copyout(&osfs, SCARG(uap, buf), uimin(sizeof osfs,
563               SCARG(uap, len)));
564  out:
565           fd_putfile(SCARG(uap, fd));
566           return (error);
567 }
568 
569 int
linux_sys_osf1_sysinfo(struct lwp * l,const struct linux_sys_osf1_sysinfo_args * uap,register_t * retval)570 linux_sys_osf1_sysinfo(struct lwp *l, const struct linux_sys_osf1_sysinfo_args *uap, register_t *retval)
571 {
572           const char *string;
573           size_t slen;
574           int error;
575 
576           error = 0;
577           switch (SCARG(uap, cmd)) {
578           case OSF1_SI_SYSNAME:
579                     string = ostype;
580                     break;
581 
582           case OSF1_SI_HOSTNAME:
583                     string = hostname;
584                     break;
585 
586           case OSF1_SI_RELEASE:
587                     string = osrelease;
588                     break;
589 
590           case OSF1_SI_VERSION:
591                     goto should_handle;
592 
593           case OSF1_SI_MACHINE:
594                     string = MACHINE;
595                     break;
596 
597           case OSF1_SI_ARCHITECTURE:
598                     string = MACHINE_ARCH;
599                     break;
600 
601           case OSF1_SI_HW_SERIAL:
602                     string = "666";                         /* OSF/1 emulation?  YES! */
603                     break;
604 
605           case OSF1_SI_HW_PROVIDER:
606                     string = "unknown";
607                     break;
608 
609           case OSF1_SI_SRPC_DOMAIN:
610                     goto dont_care;
611 
612           case OSF1_SI_SET_HOSTNAME:
613                     goto should_handle;
614 
615           case OSF1_SI_SET_SYSNAME:
616                     goto should_handle;
617 
618           case OSF1_SI_SET_SRPC_DOMAIN:
619                     goto dont_care;
620 
621           default:
622 should_handle:
623                     printf("osf1_sys_sysinfo(%d, %p, 0x%lx)\n", SCARG(uap, cmd),
624                         SCARG(uap, buf), SCARG(uap,len));
625 dont_care:
626                     return (EINVAL);
627           };
628 
629           slen = strlen(string) + 1;
630           if (SCARG(uap, buf)) {
631                     error = copyout(string, SCARG(uap, buf),
632                                         uimin(slen, SCARG(uap, len)));
633                     if (!error && (SCARG(uap, len) > 0) && (SCARG(uap, len) < slen))
634                               error = ustore_char(SCARG(uap, buf)
635                                                       + SCARG(uap, len) - 1, 0);
636           }
637           if (!error)
638                     retval[0] = slen;
639 
640           return (error);
641 }
642 
643 int
linux_sys_osf1_usleep_thread(struct lwp * l,const struct linux_sys_osf1_usleep_thread_args * uap,register_t * retval)644 linux_sys_osf1_usleep_thread(struct lwp *l, const struct linux_sys_osf1_usleep_thread_args *uap, register_t *retval)
645 {
646           struct osf1_timeval otv, endotv;
647           struct timeval tv, ntv, endtv;
648           u_long ticks;
649           int error;
650 
651           if ((error = copyin(SCARG(uap, sleep), &otv, sizeof otv)))
652                     return (error);
653           tv.tv_sec = otv.tv_sec;
654           tv.tv_usec = otv.tv_usec;
655 
656           ticks = howmany((u_long)tv.tv_sec * 1000000 + tv.tv_usec, tick);
657           if (ticks == 0)
658                     ticks = 1;
659 
660           getmicrotime(&tv);
661 
662           tsleep(l, PUSER|PCATCH, "uslpthrd", ticks);       /* XXX */
663 
664           if (SCARG(uap, slept) != NULL) {
665                     getmicrotime(&ntv);
666                     timersub(&ntv, &tv, &endtv);
667                     if (endtv.tv_sec < 0 || endtv.tv_usec < 0)
668                               endtv.tv_sec = endtv.tv_usec = 0;
669 
670                     memset(&endotv, 0, sizeof(endotv));
671                     endotv.tv_sec = endtv.tv_sec;
672                     endotv.tv_usec = endtv.tv_usec;
673                     error = copyout(&endotv, SCARG(uap, slept), sizeof endotv);
674           }
675           return (error);
676 }
677 
678 int
linux_sys_osf1_getsysinfo(struct lwp * l,const struct linux_sys_osf1_getsysinfo_args * uap,register_t * retval)679 linux_sys_osf1_getsysinfo(struct lwp *l, const struct linux_sys_osf1_getsysinfo_args *uap, register_t *retval)
680 {
681           extern int ncpus;
682           int error;
683           int unit;
684           long percpu;
685           long proctype;
686           u_int64_t fpflags;
687           struct osf1_cpu_info cpuinfo;
688           const void *data;
689           size_t datalen;
690 
691           error = 0;
692 
693           switch(SCARG(uap, op))
694           {
695           case OSF_GET_MAX_UPROCS:
696                     data = &maxproc;
697                     datalen = sizeof(maxproc);
698                     break;
699           case OSF_GET_PHYSMEM:
700                     data = &physmem;
701                     datalen = sizeof(physmem);
702                     break;
703           case OSF_GET_MAX_CPU:
704           case OSF_GET_CPUS_IN_BOX:
705                     data = &ncpus;
706                     datalen = sizeof(ncpus);
707                     break;
708           case OSF_GET_IEEE_FP_CONTROL:
709                     if (((fpflags = alpha_read_fp_c(l)) & IEEE_INHERIT) != 0) {
710                               fpflags |= 1ULL << 63;
711                               fpflags &= ~IEEE_INHERIT;
712                     }
713                     data = &fpflags;
714                     datalen = sizeof(fpflags);
715                     break;
716           case OSF_GET_CPU_INFO:
717                     memset(&cpuinfo, 0, sizeof(cpuinfo));
718 #ifdef __alpha__
719                     unit = alpha_pal_whami();
720 #else
721                     unit = 0; /* XXX */
722 #endif
723                     cpuinfo.current_cpu = unit;
724                     cpuinfo.cpus_in_box = ncpus;
725                     cpuinfo.cpu_type = LOCATE_PCS(hwrpb, unit)->pcs_proc_type;
726                     cpuinfo.ncpus = ncpus;
727                     cpuinfo.cpus_present = ncpus;
728                     cpuinfo.cpus_running = ncpus;
729                     cpuinfo.cpu_binding = 1;
730                     cpuinfo.cpu_ex_binding = 0;
731                     cpuinfo.mhz = hwrpb->rpb_cc_freq / 1000000;
732                     data = &cpuinfo;
733                     datalen = sizeof(cpuinfo);
734                     break;
735           case OSF_GET_PROC_TYPE:
736 #ifdef __alpha__
737                     unit = alpha_pal_whami();
738                     proctype = LOCATE_PCS(hwrpb, unit)->pcs_proc_type;
739 #else
740                     proctype = 0;       /* XXX */
741 #endif
742                     data = &proctype;
743                     datalen = sizeof(percpu);
744                     break;
745           case OSF_GET_HWRPB: /* note -- osf/1 doesn't have rpb_tbhint[8] */
746                     data = hwrpb;
747                     datalen = hwrpb->rpb_size;
748                     break;
749           case OSF_GET_PLATFORM_NAME:
750                     data = platform.model;
751                     datalen = strlen(platform.model) + 1;
752                     break;
753           default:
754                     printf("osf1_getsysinfo called with unknown op=%ld\n",
755                            SCARG(uap, op));
756                     /* return EINVAL; */
757                     return 0;
758           }
759 
760           if (SCARG(uap, nbytes) < datalen)
761                     return (EINVAL);
762           error = copyout(data, SCARG(uap, buffer), datalen);
763           if (!error)
764                     retval[0] = 1;
765           return (error);
766 }
767 
768 int
linux_sys_osf1_setsysinfo(struct lwp * l,const struct linux_sys_osf1_setsysinfo_args * uap,register_t * retval)769 linux_sys_osf1_setsysinfo(struct lwp *l, const struct linux_sys_osf1_setsysinfo_args *uap, register_t *retval)
770 {
771           u_int64_t temp;
772           int error;
773 
774           error = 0;
775 
776           switch(SCARG(uap, op)) {
777           case OSF_SET_IEEE_FP_CONTROL:
778 
779                     if ((error = copyin(SCARG(uap, buffer), &temp, sizeof(temp))))
780                               break;
781                     if (temp >> 63 != 0)
782                               temp |= IEEE_INHERIT;
783                     alpha_write_fp_c(l, temp);
784                     break;
785           default:
786                     uprintf("osf1_setsysinfo called with op=%ld\n", SCARG(uap, op));
787                     //error = EINVAL;
788           }
789           retval[0] = 0;
790           return (error);
791 }
792