linux_osf1.c revision 1.6 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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