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audiotest.c revision 1.25
      1 /*	$NetBSD: audiotest.c,v 1.25 2022/08/13 07:14:40 isaki Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 2019 Tetsuya Isaki. 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  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 #include <sys/cdefs.h>
     29 __RCSID("$NetBSD: audiotest.c,v 1.25 2022/08/13 07:14:40 isaki Exp $");
     30 
     31 #include <errno.h>
     32 #include <fcntl.h>
     33 #define __STDC_FORMAT_MACROS	/* for PRIx64 */
     34 #include <inttypes.h>
     35 #include <pthread.h>
     36 #include <stdarg.h>
     37 #include <stdbool.h>
     38 #include <stdio.h>
     39 #include <stdlib.h>
     40 #include <string.h>
     41 #include <unistd.h>
     42 #include <util.h>
     43 #include <sys/audioio.h>
     44 #include <sys/event.h>
     45 #include <sys/ioctl.h>
     46 #include <sys/mman.h>
     47 #include <sys/poll.h>
     48 #include <sys/sysctl.h>
     49 #include <sys/time.h>
     50 #include <sys/wait.h>
     51 #if !defined(NO_RUMP)
     52 #include <rump/rump.h>
     53 #include <rump/rump_syscalls.h>
     54 #endif
     55 
     56 #if !defined(AUDIO_ENCODING_SLINEAR_NE)
     57 #if BYTE_ORDER == LITTLE_ENDIAN
     58 #define AUDIO_ENCODING_SLINEAR_NE AUDIO_ENCODING_SLINEAR_LE
     59 #define AUDIO_ENCODING_ULINEAR_NE AUDIO_ENCODING_ULINEAR_LE
     60 #define AUDIO_ENCODING_SLINEAR_OE AUDIO_ENCODING_SLINEAR_BE
     61 #define AUDIO_ENCODING_ULINEAR_OE AUDIO_ENCODING_ULINEAR_BE
     62 #else
     63 #define AUDIO_ENCODING_SLINEAR_NE AUDIO_ENCODING_SLINEAR_BE
     64 #define AUDIO_ENCODING_ULINEAR_NE AUDIO_ENCODING_ULINEAR_BE
     65 #define AUDIO_ENCODING_SLINEAR_OE AUDIO_ENCODING_SLINEAR_LE
     66 #define AUDIO_ENCODING_ULINEAR_OE AUDIO_ENCODING_ULINEAR_LE
     67 #endif
     68 #endif
     69 
     70 struct testentry {
     71 	const char *name;
     72 	void (*func)(void);
     73 };
     74 
     75 void usage(void) __dead;
     76 void xp_err(int, int, const char *, ...) __printflike(3, 4) __dead;
     77 void xp_errx(int, int, const char *, ...) __printflike(3, 4) __dead;
     78 bool match(const char *, const char *);
     79 void xxx_close_wait(void);
     80 int mixer_get_outputs_master(int);
     81 void do_test(int);
     82 int rump_or_open(const char *, int);
     83 int rump_or_write(int, const void *, size_t);
     84 int rump_or_read(int, void *, size_t);
     85 int rump_or_ioctl(int, u_long, void *);
     86 int rump_or_close(int);
     87 int rump_or_fcntl(int, int, ...);
     88 int rump_or_poll(struct pollfd *, nfds_t, int);
     89 int rump_or_kqueue(void);
     90 int rump_or_kevent(int, const struct kevent *, size_t,
     91 	struct kevent *, size_t, const struct timespec *);
     92 int hw_canplay(void);
     93 int hw_canrec(void);
     94 int hw_bidir(void);
     95 int hw_fulldup(void);
     96 void init(int);
     97 void *consumer_thread(void *);
     98 void cleanup_audiofd(void);
     99 void TEST(const char *, ...) __printflike(1, 2);
    100 bool xp_fail(int, const char *, ...) __printflike(2, 3);
    101 void xp_skip(int, const char *, ...) __printflike(2, 3);
    102 bool xp_eq(int, int, int, const char *);
    103 bool xp_eq_str(int, const char *, const char *, const char *);
    104 bool xp_ne(int, int, int, const char *);
    105 bool xp_if(int, bool, const char *);
    106 bool xp_sys_eq(int, int, int, const char *);
    107 bool xp_sys_ok(int, int, const char *);
    108 bool xp_sys_ng(int, int, int, const char *);
    109 bool xp_sys_ptr(int, int, void *, const char *);
    110 int debug_open(int, const char *, int);
    111 int debug_write(int, int, const void *, size_t);
    112 int debug_read(int, int, void *, size_t);
    113 int debug_ioctl(int, int, u_long, const char *, void *, const char *, ...)
    114 	__printflike(6, 7);
    115 int debug_fcntl(int, int, int, const char *, ...) __printflike(4, 5);
    116 int debug_close(int, int);
    117 void *debug_mmap(int, void *, size_t, int, int, int, off_t);
    118 int debug_munmap(int, void *, int);
    119 const char *event_tostr(int);
    120 int debug_poll(int, struct pollfd *, int, int);
    121 int debug_kqueue(int);
    122 int debug_kevent_set(int, int, const struct kevent *, size_t);
    123 int debug_kevent_poll(int, int, struct kevent *, size_t,
    124 	const struct timespec *);
    125 void debug_kev(int, const char *, const struct kevent *);
    126 uid_t debug_getuid(int);
    127 int debug_seteuid(int, uid_t);
    128 int debug_sysctlbyname(int, const char *, void *, size_t *, const void *,
    129 	size_t);
    130 
    131 int openable_mode(void);
    132 int mode2aumode(int);
    133 int mode2play(int);
    134 int mode2rec(int);
    135 void reset_after_mmap(void);
    136 
    137 /* from audio.c */
    138 static const char *encoding_names[] __unused = {
    139 	"none",
    140 	AudioEmulaw,
    141 	AudioEalaw,
    142 	"pcm16",
    143 	"pcm8",
    144 	AudioEadpcm,
    145 	AudioEslinear_le,
    146 	AudioEslinear_be,
    147 	AudioEulinear_le,
    148 	AudioEulinear_be,
    149 	AudioEslinear,
    150 	AudioEulinear,
    151 	AudioEmpeg_l1_stream,
    152 	AudioEmpeg_l1_packets,
    153 	AudioEmpeg_l1_system,
    154 	AudioEmpeg_l2_stream,
    155 	AudioEmpeg_l2_packets,
    156 	AudioEmpeg_l2_system,
    157 	AudioEac3,
    158 };
    159 
    160 int debug;
    161 int props;
    162 int hwfull;
    163 int netbsd;
    164 bool opt_atf;
    165 char testname[64];
    166 int testcount;
    167 int failcount;
    168 int skipcount;
    169 int unit;
    170 bool use_rump;
    171 bool use_pad;
    172 bool exact_match;
    173 int padfd;
    174 int maxfd;
    175 pthread_t th;
    176 char devicename[16];	/* "audioN" */
    177 char devaudio[16];	/* "/dev/audioN" */
    178 char devsound[16];	/* "/dev/soundN" */
    179 char devaudioctl[16];	/* "/dev/audioctlN" */
    180 char devmixer[16];	/* "/dev/mixerN" */
    181 extern struct testentry testtable[];
    182 
    183 void
    184 usage(void)
    185 {
    186 	fprintf(stderr, "usage:\t%s [<options>] [<testname>...]\n",
    187 	    getprogname());
    188 	fprintf(stderr, "\t-A        : make output suitable for ATF\n");
    189 	fprintf(stderr, "\t-a        : Test all\n");
    190 	fprintf(stderr, "\t-d        : Increase debug level\n");
    191 	fprintf(stderr, "\t-e        : Use exact match for testnames "
    192 	    "(default is forward match)\n");
    193 	fprintf(stderr, "\t-l        : List all tests\n");
    194 	fprintf(stderr, "\t-p        : Open pad\n");
    195 #if !defined(NO_RUMP)
    196 	fprintf(stderr, "\t-R        : Use rump (implies -p)\n");
    197 #endif
    198 	fprintf(stderr, "\t-u <unit> : Use audio<unit> (default:0)\n");
    199 	exit(1);
    200 }
    201 
    202 /* Customized err(3) */
    203 void
    204 xp_err(int code, int line, const char *fmt, ...)
    205 {
    206 	va_list ap;
    207 	int backup_errno;
    208 
    209 	backup_errno = errno;
    210 	printf("%s %d: ", (opt_atf ? "Line" : " ERROR:"), line);
    211 	va_start(ap, fmt);
    212 	vprintf(fmt, ap);
    213 	va_end(ap);
    214 	printf(": %s\n", strerror(backup_errno));
    215 
    216 	exit(code);
    217 }
    218 
    219 /* Customized errx(3) */
    220 void
    221 xp_errx(int code, int line, const char *fmt, ...)
    222 {
    223 	va_list ap;
    224 
    225 	printf("%s %d: ", (opt_atf ? "Line" : " ERROR:"), line);
    226 	va_start(ap, fmt);
    227 	vprintf(fmt, ap);
    228 	va_end(ap);
    229 	printf("\n");
    230 
    231 	exit(code);
    232 }
    233 
    234 int
    235 main(int argc, char *argv[])
    236 {
    237 	int i;
    238 	int j;
    239 	int c;
    240 	enum {
    241 		CMD_TEST,
    242 		CMD_ALL,
    243 		CMD_LIST,
    244 	} cmd;
    245 	bool found;
    246 
    247 	props = -1;
    248 	hwfull = 0;
    249 	unit = 0;
    250 	cmd = CMD_TEST;
    251 	use_pad = false;
    252 	padfd = -1;
    253 	exact_match = false;
    254 
    255 	while ((c = getopt(argc, argv, "AadelpRu:")) != -1) {
    256 		switch (c) {
    257 		case 'A':
    258 			opt_atf = true;
    259 			break;
    260 		case 'a':
    261 			cmd = CMD_ALL;
    262 			break;
    263 		case 'd':
    264 			debug++;
    265 			break;
    266 		case 'e':
    267 			exact_match = true;
    268 			break;
    269 		case 'l':
    270 			cmd = CMD_LIST;
    271 			break;
    272 		case 'p':
    273 			use_pad = true;
    274 			break;
    275 		case 'R':
    276 #if !defined(NO_RUMP)
    277 			use_rump = true;
    278 			use_pad = true;
    279 #else
    280 			usage();
    281 #endif
    282 			break;
    283 		case 'u':
    284 			unit = atoi(optarg);
    285 			break;
    286 		default:
    287 			usage();
    288 		}
    289 	}
    290 	argc -= optind;
    291 	argv += optind;
    292 
    293 	if (cmd == CMD_LIST) {
    294 		/* List all */
    295 		for (i = 0; testtable[i].name != NULL; i++)
    296 			printf("%s\n", testtable[i].name);
    297 		return 0;
    298 	}
    299 
    300 	init(unit);
    301 
    302 	if (cmd == CMD_ALL) {
    303 		/* Test all */
    304 		if (argc > 0)
    305 			usage();
    306 		for (i = 0; testtable[i].name != NULL; i++)
    307 			do_test(i);
    308 	} else {
    309 		/* Test only matched */
    310 		if (argc == 0)
    311 			usage();
    312 
    313 		found = false;
    314 		for (j = 0; j < argc; j++) {
    315 			for (i = 0; testtable[i].name != NULL; i++) {
    316 				if (match(argv[j], testtable[i].name)) {
    317 					do_test(i);
    318 					found = true;
    319 				}
    320 			}
    321 		}
    322 		if (!found) {
    323 			printf("test not found\n");
    324 			exit(1);
    325 		}
    326 	}
    327 
    328 	if (opt_atf == false) {
    329 		printf("Result: %d tests, %d success",
    330 		    testcount,
    331 		    testcount - failcount - skipcount);
    332 		if (failcount > 0)
    333 			printf(", %d failed", failcount);
    334 		if (skipcount > 0)
    335 			printf(", %d skipped", skipcount);
    336 		printf("\n");
    337 	}
    338 
    339 	if (skipcount > 0)
    340 		return 2;
    341 	if (failcount > 0)
    342 		return 1;
    343 
    344 	return 0;
    345 }
    346 
    347 bool
    348 match(const char *arg, const char *name)
    349 {
    350 	if (exact_match) {
    351 		/* Exact match */
    352 		if (strcmp(arg, name) == 0)
    353 			return true;
    354 	} else {
    355 		/* Forward match */
    356 		if (strncmp(arg, name, strlen(arg)) == 0)
    357 			return true;
    358 	}
    359 	return false;
    360 }
    361 
    362 /*
    363  * XXX
    364  * Some hardware drivers (e.g. hdafg(4)) require a little "rest" between
    365  * close(2) and re-open(2).
    366  * audio(4) uses hw_if->close() to tell the hardware to close.  However,
    367  * there is no agreement to wait for completion between MI and MD layer.
    368  * audio(4) immediately shifts the "closed" state, and that is, the next
    369  * open() will be acceptable immediately in audio layer.  But the real
    370  * hardware may not have been closed actually at that point.
    371  * It's troublesome issue but should be fixed...
    372  *
    373  * However, the most frequently used pad(4) (for ATF tests) doesn't have
    374  * such problem, so avoids it to reduce time.
    375  */
    376 void
    377 xxx_close_wait(void)
    378 {
    379 
    380 	if (!use_pad)
    381 		usleep(500 * 1000);
    382 }
    383 
    384 void
    385 do_test(int testnumber)
    386 {
    387 	/* Sentinel */
    388 	strlcpy(testname, "<NoName>", sizeof(testname));
    389 	/* Do test */
    390 	testtable[testnumber].func();
    391 
    392 	cleanup_audiofd();
    393 	xxx_close_wait();
    394 }
    395 
    396 /*
    397  * system call wrappers for rump.
    398  */
    399 
    400 /* open(2) or rump_sys_open(3) */
    401 int
    402 rump_or_open(const char *filename, int flag)
    403 {
    404 	int r;
    405 
    406 #if !defined(NO_RUMP)
    407 	if (use_rump)
    408 		r = rump_sys_open(filename, flag);
    409 	else
    410 #endif
    411 		r = open(filename, flag);
    412 
    413 	if (r > maxfd)
    414 		maxfd = r;
    415 	return r;
    416 }
    417 
    418 /* write(2) or rump_sys_write(3) */
    419 int
    420 rump_or_write(int fd, const void *buf, size_t len)
    421 {
    422 	int r;
    423 
    424 #if !defined(NO_RUMP)
    425 	if (use_rump)
    426 		r = rump_sys_write(fd, buf, len);
    427 	else
    428 #endif
    429 		r = write(fd, buf, len);
    430 	return r;
    431 }
    432 
    433 /* read(2) or rump_sys_read(3) */
    434 int
    435 rump_or_read(int fd, void *buf, size_t len)
    436 {
    437 	int r;
    438 
    439 #if !defined(NO_RUMP)
    440 	if (use_rump)
    441 		r = rump_sys_read(fd, buf, len);
    442 	else
    443 #endif
    444 		r = read(fd, buf, len);
    445 	return r;
    446 }
    447 
    448 /* ioctl(2) or rump_sys_ioctl(3) */
    449 int
    450 rump_or_ioctl(int fd, u_long cmd, void *arg)
    451 {
    452 	int r;
    453 
    454 #if !defined(NO_RUMP)
    455 	if (use_rump)
    456 		r = rump_sys_ioctl(fd, cmd, arg);
    457 	else
    458 #endif
    459 		r = ioctl(fd, cmd, arg);
    460 	return r;
    461 }
    462 
    463 /* close(2) or rump_sys_close(3) */
    464 int
    465 rump_or_close(int fd)
    466 {
    467 	int r;
    468 
    469 #if !defined(NO_RUMP)
    470 	if (use_rump)
    471 		r = rump_sys_close(fd);
    472 	else
    473 #endif
    474 		r = close(fd);
    475 
    476 	/* maxfd-1 may not valid fd but no matter */
    477 	if (fd == maxfd)
    478 		maxfd--;
    479 	return r;
    480 }
    481 
    482 /* fcntl(2) or rump_sys_fcntl(3) */
    483 /* XXX Supported only with no arguments for now */
    484 int
    485 rump_or_fcntl(int fd, int cmd, ...)
    486 {
    487 	int r;
    488 
    489 #if !defined(NO_RUMP)
    490 	if (use_rump)
    491 		r = rump_sys_fcntl(fd, cmd);
    492 	else
    493 #endif
    494 		r = fcntl(fd, cmd);
    495 	return r;
    496 }
    497 
    498 /* poll(2) or rump_sys_poll(3) */
    499 int
    500 rump_or_poll(struct pollfd *fds, nfds_t nfds, int timeout)
    501 {
    502 	int r;
    503 
    504 #if !defined(NO_RUMP)
    505 	if (use_rump)
    506 		r = rump_sys_poll(fds, nfds, timeout);
    507 	else
    508 #endif
    509 		r = poll(fds, nfds, timeout);
    510 	return r;
    511 }
    512 
    513 /* kqueue(2) or rump_sys_kqueue(3) */
    514 int
    515 rump_or_kqueue(void)
    516 {
    517 	int r;
    518 
    519 #if !defined(NO_RUMP)
    520 	if (use_rump)
    521 		r = rump_sys_kqueue();
    522 	else
    523 #endif
    524 		r = kqueue();
    525 	return r;
    526 }
    527 
    528 /* kevent(2) or rump_sys_kevent(3) */
    529 int
    530 rump_or_kevent(int kq, const struct kevent *chlist, size_t nch,
    531 	struct kevent *evlist, size_t nev,
    532 	const struct timespec *timeout)
    533 {
    534 	int r;
    535 
    536 #if !defined(NO_RUMP)
    537 	if (use_rump)
    538 		r = rump_sys_kevent(kq, chlist, nch, evlist, nev, timeout);
    539 	else
    540 #endif
    541 		r = kevent(kq, chlist, nch, evlist, nev, timeout);
    542 	return r;
    543 }
    544 
    545 int
    546 hw_canplay(void)
    547 {
    548 	return (props & AUDIO_PROP_PLAYBACK) ? 1 : 0;
    549 }
    550 
    551 int
    552 hw_canrec(void)
    553 {
    554 	return (props & AUDIO_PROP_CAPTURE) ? 1 : 0;
    555 }
    556 
    557 int
    558 hw_bidir(void)
    559 {
    560 	return hw_canplay() & hw_canrec();
    561 }
    562 
    563 int
    564 hw_fulldup(void)
    565 {
    566 	return (props & AUDIO_PROP_FULLDUPLEX) ? 1 : 0;
    567 }
    568 
    569 #define DPRINTF(fmt...) do {	\
    570 	if (debug)		\
    571 		printf(fmt);	\
    572 } while (0)
    573 
    574 #define DPRINTFF(line, fmt...) do {		\
    575 	if (debug) {				\
    576 		printf("  > %d: ", line);	\
    577 		DPRINTF(fmt);			\
    578 		fflush(stdout);			\
    579 	}					\
    580 } while (0)
    581 
    582 #define DRESULT(r) do {				\
    583 	int backup_errno = errno;		\
    584 	if (r == -1) {				\
    585 		DPRINTF(" = %d, err#%d %s\n",	\
    586 		    r, backup_errno,		\
    587 		    strerror(backup_errno));	\
    588 	} else {				\
    589 		DPRINTF(" = %d\n", r);		\
    590 	}					\
    591 	errno = backup_errno;			\
    592 	return r;				\
    593 } while (0)
    594 
    595 /* pointer variants for mmap */
    596 #define DRESULT_PTR(r) do {			\
    597 	int backup_errno = errno;		\
    598 	if (r == (void *)-1) {			\
    599 		DPRINTF(" = -1, err#%d %s\n",	\
    600 		    backup_errno,		\
    601 		    strerror(backup_errno));	\
    602 	} else {				\
    603 		DPRINTF(" = %p\n", r);		\
    604 	}					\
    605 	errno = backup_errno;			\
    606 	return r;				\
    607 } while (0)
    608 
    609 
    610 /*
    611  * requnit <  0: Use auto by pad (not implemented).
    612  * requnit >= 0: Use audio<requnit>.
    613  */
    614 void
    615 init(int requnit)
    616 {
    617 	struct audio_device devinfo;
    618 	size_t len;
    619 	int rel;
    620 	int fd;
    621 	int r;
    622 
    623 	/* XXX */
    624 	atexit(cleanup_audiofd);
    625 
    626 	if (requnit < 0) {
    627 		xp_errx(1, __LINE__, "requnit < 0 not implemented.");
    628 	} else {
    629 		unit = requnit;
    630 	}
    631 
    632 	/* Set device name */
    633 	snprintf(devicename, sizeof(devicename), "audio%d", unit);
    634 	snprintf(devaudio, sizeof(devaudio), "/dev/audio%d", unit);
    635 	snprintf(devsound, sizeof(devsound), "/dev/sound%d", unit);
    636 	snprintf(devaudioctl, sizeof(devaudioctl), "/dev/audioctl%d", unit);
    637 	snprintf(devmixer, sizeof(devmixer), "/dev/mixer%d", unit);
    638 
    639 	/*
    640 	 * version
    641 	 * audio2 is merged in 8.99.39.
    642 	 */
    643 	len = sizeof(rel);
    644 	r = sysctlbyname("kern.osrevision", &rel, &len, NULL, 0);
    645 	if (r == -1)
    646 		xp_err(1, __LINE__, "sysctl kern.osrevision");
    647 	netbsd = rel / 100000000;
    648 	if (rel >=  899003900)
    649 		netbsd = 9;
    650 
    651 #if !defined(NO_RUMP)
    652 	if (use_rump) {
    653 		DPRINTF("  use rump\n");
    654 		rump_init();
    655 	}
    656 #endif
    657 
    658 	/*
    659 	 * Open pad device before all accesses (including /dev/audioctl).
    660 	 */
    661 	if (use_pad) {
    662 		padfd = rump_or_open("/dev/pad0", O_RDONLY);
    663 		if (padfd == -1)
    664 			xp_err(1, __LINE__, "rump_or_open");
    665 
    666 		/* Create consumer thread */
    667 		pthread_create(&th, NULL, consumer_thread, NULL);
    668 		/* Set this thread's name */
    669 		pthread_setname_np(pthread_self(), "main", NULL);
    670 	}
    671 
    672 	/*
    673 	 * Get device properties, etc.
    674 	 */
    675 	fd = rump_or_open(devaudioctl, O_RDONLY);
    676 	if (fd == -1)
    677 		xp_err(1, __LINE__, "open %s", devaudioctl);
    678 	r = rump_or_ioctl(fd, AUDIO_GETPROPS, &props);
    679 	if (r == -1)
    680 		xp_err(1, __LINE__, "AUDIO_GETPROPS");
    681 	r = rump_or_ioctl(fd, AUDIO_GETDEV, &devinfo);
    682 	if (r == -1)
    683 		xp_err(1, __LINE__, "AUDIO_GETDEV");
    684 	rump_or_close(fd);
    685 
    686 	if (debug) {
    687 		printf("  device = %s, %s, %s\n",
    688 		    devinfo.name, devinfo.version, devinfo.config);
    689 		printf("  hw props =");
    690 		if (hw_canplay())
    691 			printf(" playback");
    692 		if (hw_canrec())
    693 			printf(" capture");
    694 		if (hw_fulldup())
    695 			printf(" fullduplex");
    696 		printf("\n");
    697 	}
    698 
    699 }
    700 
    701 /* Consumer thread used by pad */
    702 void *
    703 consumer_thread(void *arg)
    704 {
    705 	char buf[1024];
    706 	int r;
    707 
    708 	pthread_setname_np(pthread_self(), "consumer", NULL);
    709 	pthread_detach(pthread_self());
    710 
    711 	/* throw away data anyway */
    712 	for (;;) {
    713 		r = read(padfd, buf, sizeof(buf));
    714 		if (r < 1)
    715 			break;
    716 	}
    717 
    718 	pthread_exit(NULL);
    719 }
    720 
    721 /*
    722  * XXX
    723  * Closing pad descriptor before audio descriptor causes panic (PR kern/54427).
    724  * To avoid this, close non-pad descriptor first using atexit(3) for now.
    725  * This is just a workaround and this function should be removed.
    726  */
    727 void cleanup_audiofd()
    728 {
    729 	int fd;
    730 
    731 	for (fd = 3; fd <= maxfd; fd++) {
    732 		if (fd != padfd)
    733 			close(fd);
    734 	}
    735 	maxfd = 3;
    736 }
    737 
    738 /*
    739  * Support functions
    740  */
    741 
    742 /* Set testname */
    743 void
    744 TEST(const char *name, ...)
    745 {
    746 	va_list ap;
    747 
    748 	va_start(ap, name);
    749 	vsnprintf(testname, sizeof(testname), name, ap);
    750 	va_end(ap);
    751 	if (opt_atf == false) {
    752 		printf("%s\n", testname);
    753 		fflush(stdout);
    754 	}
    755 }
    756 
    757 /*
    758  * XP_FAIL() should be called when this test fails.
    759  * If caller already count up testcount, call xp_fail() instead.
    760  */
    761 #define XP_FAIL(fmt...)	do {	\
    762 	testcount++;	\
    763 	xp_fail(__LINE__, fmt);	\
    764 } while (0)
    765 bool xp_fail(int line, const char *fmt, ...)
    766 {
    767 	va_list ap;
    768 
    769 	printf("%s %d: ", (opt_atf ? "Line" : " FAIL:"), line);
    770 	va_start(ap, fmt);
    771 	vprintf(fmt, ap);
    772 	va_end(ap);
    773 	printf("\n");
    774 	fflush(stdout);
    775 	failcount++;
    776 
    777 	return false;
    778 }
    779 
    780 /*
    781  * XP_SKIP() should be called when you want to skip this test.
    782  * If caller already count up testcount, call xp_skip() instead.
    783  */
    784 #define XP_SKIP(fmt...)	do { \
    785 	testcount++;	\
    786 	xp_skip(__LINE__, fmt);	\
    787 } while (0)
    788 void xp_skip(int line, const char *fmt, ...)
    789 {
    790 	va_list ap;
    791 
    792 	printf("%s %d: ", (opt_atf ? "Line" : " SKIP:"), line);
    793 	va_start(ap, fmt);
    794 	vprintf(fmt, ap);
    795 	va_end(ap);
    796 	printf("\n");
    797 	fflush(stdout);
    798 	skipcount++;
    799 }
    800 
    801 #define XP_EQ(exp, act)	xp_eq(__LINE__, exp, act, #act)
    802 bool xp_eq(int line, int exp, int act, const char *varname)
    803 {
    804 	bool r = true;
    805 
    806 	testcount++;
    807 	if (exp != act) {
    808 		r = xp_fail(line, "%s expects %d but %d", varname, exp, act);
    809 	}
    810 	return r;
    811 }
    812 #define XP_EQ_STR(exp, act) xp_eq_str(__LINE__, exp, act, #act)
    813 bool xp_eq_str(int line, const char *exp, const char *act, const char *varname)
    814 {
    815 	bool r = true;
    816 
    817 	testcount++;
    818 	if (strcmp(exp, act) != 0) {
    819 		r = xp_fail(line, "%s expects \"%s\" but \"%s\"",
    820 		    varname, exp, act);
    821 	}
    822 	return r;
    823 }
    824 
    825 #define XP_NE(exp, act)	xp_ne(__LINE__, exp, act, #act)
    826 bool xp_ne(int line, int exp, int act, const char *varname)
    827 {
    828 	bool r = true;
    829 
    830 	testcount++;
    831 	if (exp == act) {
    832 		r = xp_fail(line, "%s expects != %d but %d", varname, exp, act);
    833 	}
    834 	return r;
    835 }
    836 
    837 /* This expects that result is expressed in expr. */
    838 /* GCC extension */
    839 #define XP_IF(expr) xp_if(__LINE__, (expr), #expr)
    840 bool xp_if(int line, bool expr, const char *exprname)
    841 {
    842 	bool r = true;
    843 	testcount++;
    844 	if (!expr) {
    845 		r = xp_fail(__LINE__, "(%s) is expected but not met", exprname);
    846 	}
    847 	return r;
    848 }
    849 
    850 /* This expects that the system call returns 'exp'. */
    851 #define XP_SYS_EQ(exp, act)	xp_sys_eq(__LINE__, exp, act, #act)
    852 bool xp_sys_eq(int line, int exp, int act, const char *varname)
    853 {
    854 	bool r = true;
    855 
    856 	testcount++;
    857 	if (act == -1) {
    858 		r = xp_fail(line, "%s expects %d but -1,err#%d(%s)",
    859 		    varname, exp, errno, strerror(errno));
    860 	} else {
    861 		r = xp_eq(line, exp, act, varname);
    862 	}
    863 	return r;
    864 }
    865 
    866 /*
    867  * This expects that system call succeeds.
    868  * This is useful when you expect the system call succeeds but don't know
    869  * the expected return value, such as open(2).
    870  */
    871 #define XP_SYS_OK(act)	xp_sys_ok(__LINE__, act, #act)
    872 bool xp_sys_ok(int line, int act, const char *varname)
    873 {
    874 	bool r = true;
    875 
    876 	testcount++;
    877 	if (act == -1) {
    878 		r = xp_fail(line, "%s expects success but -1,err#%d(%s)",
    879 		    varname, errno, strerror(errno));
    880 	}
    881 	return r;
    882 }
    883 
    884 /* This expects that the system call fails with 'experrno'. */
    885 #define XP_SYS_NG(experrno, act) xp_sys_ng(__LINE__, experrno, act, #act)
    886 bool xp_sys_ng(int line, int experrno, int act, const char *varname)
    887 {
    888 	bool r = true;
    889 
    890 	testcount++;
    891 	if (act != -1) {
    892 		r = xp_fail(line, "%s expects -1,err#%d but %d",
    893 		    varname, experrno, act);
    894 	} else if (experrno != errno) {
    895 		char acterrbuf[100];
    896 		int acterrno = errno;
    897 		strlcpy(acterrbuf, strerror(acterrno), sizeof(acterrbuf));
    898 		r = xp_fail(line, "%s expects -1,err#%d(%s) but -1,err#%d(%s)",
    899 		    varname, experrno, strerror(experrno),
    900 		    acterrno, acterrbuf);
    901 	}
    902 	return r;
    903 }
    904 
    905 /*
    906  * When exp == 0, this expects that the system call succeeds with returned
    907  * pointer is not -1.
    908  * When exp != 0, this expects that the system call fails with returned
    909  * pointer is -1 and its errno is exp.
    910  * It's only for mmap().
    911  */
    912 #define XP_SYS_PTR(exp, act) xp_sys_ptr(__LINE__, exp, act, #act)
    913 bool xp_sys_ptr(int line, int exp, void *act, const char *varname)
    914 {
    915 	char errbuf[256];
    916 	int actual_errno;
    917 	bool r = true;
    918 
    919 	testcount++;
    920 	if (exp == 0) {
    921 		/* expects to succeed */
    922 		if (act == (void *)-1) {
    923 			r = xp_fail(line,
    924 			    "%s expects success but -1,err#%d(%s)",
    925 			    varname, errno, strerror(errno));
    926 		}
    927 	} else {
    928 		/* expects to fail */
    929 		if (act != (void *)-1) {
    930 			r = xp_fail(line,
    931 			    "%s expects -1,err#%d(%s) but success",
    932 			    varname, exp, strerror(exp));
    933 		} else if (exp != errno) {
    934 			actual_errno = errno;
    935 			strerror_r(actual_errno, errbuf, sizeof(errbuf));
    936 			r = xp_fail(line,
    937 			    "%s expects -1,err#%d(%s) but -1,err#%d(%s)",
    938 			    varname, exp, strerror(exp), actual_errno, errbuf);
    939 		}
    940 	}
    941 	return r;
    942 }
    943 
    944 
    945 /*
    946  * REQUIRED_* return immediately if condition does not meet.
    947  */
    948 #define REQUIRED_EQ(e, a) do { if (!XP_EQ(e, a)) return; } while (0)
    949 #define REQUIRED_NE(e, a) do { if (!XP_NE(e, a)) return; } while (0)
    950 #define REQUIRED_IF(expr) do { if (!XP_IF(expr)) return; } while (0)
    951 #define REQUIRED_SYS_EQ(e, a) do { if (!XP_SYS_EQ(e, a)) return; } while (0)
    952 #define REQUIRED_SYS_OK(a)    do { if (!XP_SYS_OK(a))    return; } while (0)
    953 
    954 
    955 static const char *openmode_str[] = {
    956 	"O_RDONLY",
    957 	"O_WRONLY",
    958 	"O_RDWR",
    959 };
    960 
    961 
    962 /*
    963  * All system calls in following tests should be called with these macros.
    964  */
    965 
    966 #define OPEN(name, mode)	\
    967 	debug_open(__LINE__, name, mode)
    968 int debug_open(int line, const char *name, int mode)
    969 {
    970 	char modestr[32];
    971 	int n;
    972 
    973 	if ((mode & 3) != 3) {
    974 		n = snprintf(modestr, sizeof(modestr), "%s",
    975 		    openmode_str[mode & 3]);
    976 	} else {
    977 		n = snprintf(modestr, sizeof(modestr), "%d", mode & 3);
    978 	}
    979 	if ((mode & O_NONBLOCK))
    980 		n += snprintf(modestr + n, sizeof(modestr) - n, "|O_NONBLOCK");
    981 
    982 	DPRINTFF(line, "open(\"%s\", %s)", name, modestr);
    983 	int r = rump_or_open(name, mode);
    984 	DRESULT(r);
    985 }
    986 
    987 #define WRITE(fd, addr, len)	\
    988 	debug_write(__LINE__, fd, addr, len)
    989 int debug_write(int line, int fd, const void *addr, size_t len)
    990 {
    991 	DPRINTFF(line, "write(%d, %p, %zd)", fd, addr, len);
    992 	int r = rump_or_write(fd, addr, len);
    993 	DRESULT(r);
    994 }
    995 
    996 #define READ(fd, addr, len)	\
    997 	debug_read(__LINE__, fd, addr, len)
    998 int debug_read(int line, int fd, void *addr, size_t len)
    999 {
   1000 	DPRINTFF(line, "read(%d, %p, %zd)", fd, addr, len);
   1001 	int r = rump_or_read(fd, addr, len);
   1002 	DRESULT(r);
   1003 }
   1004 
   1005 /*
   1006  * addrstr is the comment for debug message.
   1007  *   int onoff = 0;
   1008  *   ioctl(fd, SWITCH, onoff); -> IOCTL(fd, SWITCH, onoff, "off");
   1009  */
   1010 #define IOCTL(fd, name, addr, addrfmt...)	\
   1011 	debug_ioctl(__LINE__, fd, name, #name, addr, addrfmt)
   1012 int debug_ioctl(int line, int fd, u_long name, const char *namestr,
   1013 	void *addr, const char *addrfmt, ...)
   1014 {
   1015 	char addrbuf[100];
   1016 	va_list ap;
   1017 
   1018 	va_start(ap, addrfmt);
   1019 	vsnprintf(addrbuf, sizeof(addrbuf), addrfmt, ap);
   1020 	va_end(ap);
   1021 	DPRINTFF(line, "ioctl(%d, %s, %s)", fd, namestr, addrbuf);
   1022 	int r = rump_or_ioctl(fd, name, addr);
   1023 	DRESULT(r);
   1024 }
   1025 
   1026 #define FCNTL(fd, name...)	\
   1027 	debug_fcntl(__LINE__, fd, name, #name)
   1028 int debug_fcntl(int line, int fd, int name, const char *namestr, ...)
   1029 {
   1030 	int r;
   1031 
   1032 	switch (name) {
   1033 	 case F_GETFL:	/* no arguments */
   1034 		DPRINTFF(line, "fcntl(%d, %s)", fd, namestr);
   1035 		r = rump_or_fcntl(fd, name);
   1036 		break;
   1037 	 default:
   1038 		__unreachable();
   1039 	}
   1040 	DRESULT(r);
   1041 	return r;
   1042 }
   1043 
   1044 #define CLOSE(fd)	\
   1045 	debug_close(__LINE__, fd)
   1046 int debug_close(int line, int fd)
   1047 {
   1048 	DPRINTFF(line, "close(%d)", fd);
   1049 	int r = rump_or_close(fd);
   1050 	DRESULT(r);
   1051 }
   1052 
   1053 #define MMAP(ptr, len, prot, flags, fd, offset)	\
   1054 	debug_mmap(__LINE__, ptr, len, prot, flags, fd, offset)
   1055 void *debug_mmap(int line, void *ptr, size_t len, int prot, int flags, int fd,
   1056 	off_t offset)
   1057 {
   1058 	char protbuf[256];
   1059 	char flagbuf[256];
   1060 	int n;
   1061 
   1062 #define ADDFLAG(buf, var, name)	do {				\
   1063 	if (((var) & (name)))					\
   1064 		n = strlcat(buf, "|" #name, sizeof(buf));	\
   1065 		var &= ~(name);					\
   1066 } while (0)
   1067 
   1068 	n = 0;
   1069 	protbuf[n] = '\0';
   1070 	if (prot == 0) {
   1071 		strlcpy(protbuf, "|PROT_NONE", sizeof(protbuf));
   1072 	} else {
   1073 		ADDFLAG(protbuf, prot, PROT_EXEC);
   1074 		ADDFLAG(protbuf, prot, PROT_WRITE);
   1075 		ADDFLAG(protbuf, prot, PROT_READ);
   1076 		if (prot != 0) {
   1077 			snprintf(protbuf + n, sizeof(protbuf) - n,
   1078 			    "|prot=0x%x", prot);
   1079 		}
   1080 	}
   1081 
   1082 	n = 0;
   1083 	flagbuf[n] = '\0';
   1084 	if (flags == 0) {
   1085 		strlcpy(flagbuf, "|MAP_FILE", sizeof(flagbuf));
   1086 	} else {
   1087 		ADDFLAG(flagbuf, flags, MAP_SHARED);
   1088 		ADDFLAG(flagbuf, flags, MAP_PRIVATE);
   1089 		ADDFLAG(flagbuf, flags, MAP_FIXED);
   1090 		ADDFLAG(flagbuf, flags, MAP_INHERIT);
   1091 		ADDFLAG(flagbuf, flags, MAP_HASSEMAPHORE);
   1092 		ADDFLAG(flagbuf, flags, MAP_TRYFIXED);
   1093 		ADDFLAG(flagbuf, flags, MAP_WIRED);
   1094 		ADDFLAG(flagbuf, flags, MAP_ANON);
   1095 		if (flags != 0) {
   1096 			n += snprintf(flagbuf + n, sizeof(flagbuf) - n,
   1097 			    "|flag=0x%x", flags);
   1098 		}
   1099 	}
   1100 
   1101 	DPRINTFF(line, "mmap(%p, %zd, %s, %s, %d, %jd)",
   1102 	    ptr, len, protbuf + 1, flagbuf + 1, fd, offset);
   1103 	void *r = mmap(ptr, len, prot, flags, fd, offset);
   1104 	DRESULT_PTR(r);
   1105 }
   1106 
   1107 #define MUNMAP(ptr, len)	\
   1108 	debug_munmap(__LINE__, ptr, len)
   1109 int debug_munmap(int line, void *ptr, int len)
   1110 {
   1111 #if !defined(NO_RUMP)
   1112 	if (use_rump)
   1113 		xp_errx(1, __LINE__, "rump doesn't support munmap");
   1114 #endif
   1115 	DPRINTFF(line, "munmap(%p, %d)", ptr, len);
   1116 	int r = munmap(ptr, len);
   1117 	DRESULT(r);
   1118 }
   1119 
   1120 const char *
   1121 event_tostr(int events)
   1122 {
   1123 	static char buf[64];
   1124 
   1125 	snprintb(buf, sizeof(buf),
   1126 	    "\177\020" \
   1127 	    "b\10WRBAND\0" \
   1128 	    "b\7RDBAND\0" "b\6RDNORM\0" "b\5NVAL\0" "b\4HUP\0" \
   1129 	    "b\3ERR\0" "b\2OUT\0" "b\1PRI\0" "b\0IN\0",
   1130 	    events);
   1131 	return buf;
   1132 }
   1133 
   1134 #define POLL(pfd, nfd, timeout)	\
   1135 	debug_poll(__LINE__, pfd, nfd, timeout)
   1136 int debug_poll(int line, struct pollfd *pfd, int nfd, int timeout)
   1137 {
   1138 	char buf[256];
   1139 	int n = 0;
   1140 	buf[n] = '\0';
   1141 	for (int i = 0; i < nfd; i++) {
   1142 		n += snprintf(buf + n, sizeof(buf) - n, "{fd=%d,events=%s}",
   1143 		    pfd[i].fd, event_tostr(pfd[i].events));
   1144 	}
   1145 	DPRINTFF(line, "poll(%s, %d, %d)", buf, nfd, timeout);
   1146 	int r = rump_or_poll(pfd, nfd, timeout);
   1147 	DRESULT(r);
   1148 }
   1149 
   1150 #define KQUEUE()	\
   1151 	debug_kqueue(__LINE__)
   1152 int debug_kqueue(int line)
   1153 {
   1154 	DPRINTFF(line, "kqueue()");
   1155 	int r = rump_or_kqueue();
   1156 	DRESULT(r);
   1157 }
   1158 
   1159 #define KEVENT_SET(kq, kev, nev)	\
   1160 	debug_kevent_set(__LINE__, kq, kev, nev)
   1161 int debug_kevent_set(int line, int kq, const struct kevent *kev, size_t nev)
   1162 {
   1163 	DPRINTFF(line, "kevent_set(%d, %p, %zd)", kq, kev, nev);
   1164 	int r = rump_or_kevent(kq, kev, nev, NULL, 0, NULL);
   1165 	DRESULT(r);
   1166 }
   1167 
   1168 #define KEVENT_POLL(kq, kev, nev, ts) \
   1169 	debug_kevent_poll(__LINE__, kq, kev, nev, ts)
   1170 int debug_kevent_poll(int line, int kq, struct kevent *kev, size_t nev,
   1171 	const struct timespec *ts)
   1172 {
   1173 	char tsbuf[32];
   1174 
   1175 	if (ts == NULL) {
   1176 		snprintf(tsbuf, sizeof(tsbuf), "NULL");
   1177 	} else if (ts->tv_sec == 0 && ts->tv_nsec == 0) {
   1178 		snprintf(tsbuf, sizeof(tsbuf), "0.0");
   1179 	} else {
   1180 		snprintf(tsbuf, sizeof(tsbuf), "%d.%09ld",
   1181 			(int)ts->tv_sec, ts->tv_nsec);
   1182 	}
   1183 	DPRINTFF(line, "kevent_poll(%d, %p, %zd, %s)", kq, kev, nev, tsbuf);
   1184 	int r = rump_or_kevent(kq, NULL, 0, kev, nev, ts);
   1185 	DRESULT(r);
   1186 }
   1187 
   1188 #define DEBUG_KEV(name, kev)	\
   1189 	debug_kev(__LINE__, name, kev)
   1190 void debug_kev(int line, const char *name, const struct kevent *kev)
   1191 {
   1192 	char flagbuf[256];
   1193 	const char *filterbuf;
   1194 	uint32_t v;
   1195 	int n;
   1196 
   1197 	n = 0;
   1198 	flagbuf[n] = '\0';
   1199 	if (kev->flags == 0) {
   1200 		strcpy(flagbuf, "|0?");
   1201 	} else {
   1202 		v = kev->flags;
   1203 		ADDFLAG(flagbuf, v, EV_ADD);
   1204 		if (v != 0)
   1205 			snprintf(flagbuf + n, sizeof(flagbuf)-n, "|0x%x", v);
   1206 	}
   1207 
   1208 	switch (kev->filter) {
   1209 	 case EVFILT_READ:	filterbuf = "EVFILT_READ";	break;
   1210 	 case EVFILT_WRITE:	filterbuf = "EVFILT_WRITE";	break;
   1211 	 default:		filterbuf = "EVFILT_?";		break;
   1212 	}
   1213 
   1214 	DPRINTFF(line,
   1215 	    "%s={id:%d,%s,%s,fflags:0x%x,data:0x%" PRIx64 ",udata:0x%x}\n",
   1216 	    name,
   1217 	    (int)kev->ident,
   1218 	    flagbuf + 1,
   1219 	    filterbuf,
   1220 	    kev->fflags,
   1221 	    kev->data,
   1222 	    (int)(intptr_t)kev->udata);
   1223 }
   1224 
   1225 /* XXX rump? */
   1226 #define GETUID()	\
   1227 	debug_getuid(__LINE__)
   1228 uid_t debug_getuid(int line)
   1229 {
   1230 	DPRINTFF(line, "getuid");
   1231 	uid_t r = getuid();
   1232 	/* getuid() never fails */
   1233 	DPRINTF(" = %u\n", r);
   1234 	return r;
   1235 }
   1236 
   1237 /* XXX rump? */
   1238 #define SETEUID(id)	\
   1239 	debug_seteuid(__LINE__, id)
   1240 int debug_seteuid(int line, uid_t id)
   1241 {
   1242 	DPRINTFF(line, "seteuid(%d)", (int)id);
   1243 	int r = seteuid(id);
   1244 	DRESULT(r);
   1245 }
   1246 
   1247 #define SYSCTLBYNAME(name, oldp, oldlenp, newp, newlen)	\
   1248 	debug_sysctlbyname(__LINE__, name, oldp, oldlenp, newp, newlen)
   1249 int debug_sysctlbyname(int line, const char *name, void *oldp, size_t *oldlenp,
   1250 	const void *newp, size_t newlen)
   1251 {
   1252 	DPRINTFF(line, "sysctlbyname(\"%s\")", name);
   1253 	int r = sysctlbyname(name, oldp, oldlenp, newp, newlen);
   1254 	DRESULT(r);
   1255 }
   1256 
   1257 
   1258 /* Return openable mode on this hardware property */
   1259 int
   1260 openable_mode(void)
   1261 {
   1262 	if (hw_bidir())
   1263 		return O_RDWR;
   1264 	if (hw_canplay())
   1265 		return O_WRONLY;
   1266 	else
   1267 		return O_RDONLY;
   1268 }
   1269 
   1270 int mode2aumode_full[] = {
   1271 	                                AUMODE_RECORD,	/* O_RDONLY */
   1272 	AUMODE_PLAY | AUMODE_PLAY_ALL,			/* O_WRONLY */
   1273 	AUMODE_PLAY | AUMODE_PLAY_ALL | AUMODE_RECORD,	/* O_RDWR   */
   1274 };
   1275 
   1276 /* Convert openmode(O_*) to AUMODE_*, with hardware property */
   1277 int
   1278 mode2aumode(int mode)
   1279 {
   1280 	int aumode;
   1281 
   1282 	aumode = mode2aumode_full[mode];
   1283 	if (hw_canplay() == 0)
   1284 		aumode &= ~(AUMODE_PLAY | AUMODE_PLAY_ALL);
   1285 	if (hw_canrec() == 0)
   1286 		aumode &= ~AUMODE_RECORD;
   1287 
   1288 	if (netbsd >= 9) {
   1289 		/* half-duplex treats O_RDWR as O_WRONLY */
   1290 		if (mode == O_RDWR && hw_bidir() && hw_fulldup() == 0)
   1291 			aumode &= ~AUMODE_RECORD;
   1292 	}
   1293 
   1294 	return aumode;
   1295 }
   1296 
   1297 /* Is this mode + hardware playable? */
   1298 int
   1299 mode2play(int mode)
   1300 {
   1301 	int aumode;
   1302 
   1303 	aumode = mode2aumode(mode);
   1304 	return ((aumode & AUMODE_PLAY)) ? 1 : 0;
   1305 }
   1306 
   1307 /* Is this mode + hardware recordable? */
   1308 int
   1309 mode2rec(int mode)
   1310 {
   1311 	int aumode;
   1312 
   1313 	aumode = mode2aumode(mode);
   1314 	return ((aumode & AUMODE_RECORD)) ? 1 : 0;
   1315 }
   1316 
   1317 /*
   1318  * On NetBSD7, open() after-closing-mmap fails due to a bug.
   1319  * It happens once every two times like flip-flop, so the workaround is
   1320  * to open it again.
   1321  */
   1322 void
   1323 reset_after_mmap(void)
   1324 {
   1325 	int fd;
   1326 
   1327 	if (netbsd < 8) {
   1328 		fd = OPEN(devaudio, O_WRONLY);
   1329 		if (fd != -1)
   1330 			CLOSE(fd);
   1331 	}
   1332 }
   1333 
   1334 /*
   1335  * Lookup "outputs.master" and return its mixer device index.
   1336  * It may not be strict but I'm not sure.
   1337  */
   1338 int
   1339 mixer_get_outputs_master(int mixerfd)
   1340 {
   1341 	const char * const typename[] = { "CLASS", "ENUM", "SET", "VALUE" };
   1342 	mixer_devinfo_t di;
   1343 	int class_outputs;
   1344 	int i;
   1345 	int r;
   1346 
   1347 	class_outputs = -1;
   1348 	for (i = 0; ; i++) {
   1349 		memset(&di, 0, sizeof(di));
   1350 		di.index = i;
   1351 		r = IOCTL(mixerfd, AUDIO_MIXER_DEVINFO, &di, "index=%d", i);
   1352 		if (r < 0)
   1353 			break;
   1354 		DPRINTF("  > type=%s(%d) mixer_class=%d name=%s\n",
   1355 		    (0 <= di.type && di.type <= 3) ? typename[di.type] : "",
   1356 		    di.type, di.mixer_class, di.label.name);
   1357 		if (di.type == AUDIO_MIXER_CLASS &&
   1358 		    strcmp(di.label.name, "outputs") == 0) {
   1359 			class_outputs = di.mixer_class;
   1360 			DPRINTF("  > class_output=%d\n", class_outputs);
   1361 			continue;
   1362 		}
   1363 		if (di.type == AUDIO_MIXER_VALUE &&
   1364 		    di.mixer_class == class_outputs &&
   1365 		    strcmp(di.label.name, "master") == 0) {
   1366 			return i;
   1367 		}
   1368 	}
   1369 	/* Not found */
   1370 	return -1;
   1371 }
   1372 
   1373 /*
   1374  * Tests
   1375  */
   1376 
   1377 void test_open_mode(int);
   1378 void test_open(const char *, int);
   1379 void test_open_simul(int, int);
   1380 void try_open_multiuser(bool);
   1381 void test_open_multiuser(bool);
   1382 void test_rdwr_fallback(int, bool, bool);
   1383 void test_rdwr_two(int, int);
   1384 void test_mmap_mode(int, int);
   1385 void test_mmap_len(size_t, off_t, int);
   1386 void test_poll_mode(int, int, int);
   1387 void test_poll_in_open(const char *);
   1388 void test_kqueue_mode(int, int, int);
   1389 volatile int sigio_caught;
   1390 void signal_FIOASYNC(int);
   1391 void test_AUDIO_SETFD_xxONLY(int);
   1392 void test_AUDIO_SETINFO_mode(int, int, int, int);
   1393 void test_AUDIO_SETINFO_params_set(int, int, int);
   1394 void test_AUDIO_SETINFO_pause(int, int, int);
   1395 int getenc_make_table(int, int[][5]);
   1396 void xp_getenc(int[][5], int, int, int, struct audio_prinfo *);
   1397 void getenc_check_encodings(int, int[][5]);
   1398 void test_AUDIO_ERROR(int);
   1399 void test_AUDIO_GETIOFFS_one(int);
   1400 void test_AUDIO_GETOOFFS_one(int);
   1401 void test_AUDIO_GETOOFFS_wrap(int);
   1402 void test_AUDIO_GETOOFFS_flush(int);
   1403 void test_AUDIO_GETOOFFS_set(int);
   1404 void test_audioctl_open_1(int, int);
   1405 void test_audioctl_open_2(int, int);
   1406 void try_audioctl_open_multiuser(const char *, const char *);
   1407 void test_audioctl_open_multiuser(bool, const char *, const char *);
   1408 void test_audioctl_rw(int);
   1409 
   1410 #define DEF(name) \
   1411 	void test__ ## name (void); \
   1412 	void test__ ## name (void)
   1413 
   1414 /*
   1415  * Whether it can be open()ed with specified mode.
   1416  */
   1417 void
   1418 test_open_mode(int mode)
   1419 {
   1420 	int fd;
   1421 	int r;
   1422 
   1423 	TEST("open_mode_%s", openmode_str[mode] + 2);
   1424 
   1425 	fd = OPEN(devaudio, mode);
   1426 	if (mode2aumode(mode) != 0) {
   1427 		XP_SYS_OK(fd);
   1428 	} else {
   1429 		XP_SYS_NG(ENXIO, fd);
   1430 	}
   1431 
   1432 	if (fd >= 0) {
   1433 		r = CLOSE(fd);
   1434 		XP_SYS_EQ(0, r);
   1435 	}
   1436 }
   1437 DEF(open_mode_RDONLY)	{ test_open_mode(O_RDONLY); }
   1438 DEF(open_mode_WRONLY)	{ test_open_mode(O_WRONLY); }
   1439 DEF(open_mode_RDWR)	{ test_open_mode(O_RDWR);   }
   1440 
   1441 /*
   1442  * Check the initial parameters and stickiness.
   1443  * /dev/audio
   1444  *	The initial parameters are always the same whenever you open.
   1445  * /dev/sound and /dev/audioctl
   1446  *	The initial parameters are inherited from the last /dev/sound or
   1447  *	/dev/audio.
   1448  */
   1449 void
   1450 test_open(const char *devname, int mode)
   1451 {
   1452 	struct audio_info ai;
   1453 	struct audio_info ai0;
   1454 	char devfile[16];
   1455 	int fd;
   1456 	int r;
   1457 	int can_play;
   1458 	int can_rec;
   1459 	int exp_mode;
   1460 	int exp_encoding;
   1461 	int exp_precision;
   1462 	int exp_channels;
   1463 	int exp_sample_rate;
   1464 	int exp_pause;
   1465 	int exp_popen;
   1466 	int exp_ropen;
   1467 
   1468 	TEST("open_%s_%s", devname, openmode_str[mode] + 2);
   1469 
   1470 	snprintf(devfile, sizeof(devfile), "/dev/%s%d", devname, unit);
   1471 	can_play = mode2play(mode);
   1472 	can_rec  = mode2rec(mode);
   1473 	if (strcmp(devname, "audioctl") != 0) {
   1474 		if (can_play + can_rec == 0) {
   1475 			/* Check whether it cannot be opened */
   1476 			fd = OPEN(devaudio, mode);
   1477 			XP_SYS_NG(ENXIO, fd);
   1478 			return;
   1479 		}
   1480 	}
   1481 
   1482 	/* /dev/audio is always initialized */
   1483 	if (strcmp(devname, "audio") == 0) {
   1484 		exp_encoding = AUDIO_ENCODING_ULAW;
   1485 		exp_precision = 8;
   1486 		exp_channels = 1;
   1487 		exp_sample_rate = 8000;
   1488 		exp_pause = 0;
   1489 	} else {
   1490 		exp_encoding = AUDIO_ENCODING_SLINEAR_LE;
   1491 		exp_precision = 16;
   1492 		exp_channels = 2;
   1493 		exp_sample_rate = 11025;
   1494 		exp_pause = 1;
   1495 	}
   1496 
   1497 	/* /dev/audioctl is always "not opened" */
   1498 	if (strcmp(devname, "audioctl") == 0) {
   1499 		exp_mode = 0;
   1500 		exp_popen = 0;
   1501 		exp_ropen = 0;
   1502 	} else {
   1503 		exp_mode = mode2aumode(mode);
   1504 		exp_popen = can_play;
   1505 		exp_ropen = can_rec;
   1506 	}
   1507 
   1508 
   1509 	/*
   1510 	 * At first, initialize the sticky parameters both of play and rec.
   1511 	 * This uses /dev/audio to verify /dev/audio.  It's not good way but
   1512 	 * I don't have better one...
   1513 	 */
   1514 	fd = OPEN(devaudio, openable_mode());
   1515 	REQUIRED_SYS_OK(fd);
   1516 	r = CLOSE(fd);
   1517 	REQUIRED_SYS_EQ(0, r);
   1518 
   1519 	/*
   1520 	 * Open target device and check the initial parameters
   1521 	 * At this moment, all devices are initialized by default.
   1522 	 */
   1523 	fd = OPEN(devfile, mode);
   1524 	REQUIRED_SYS_OK(fd);
   1525 	memset(&ai, 0, sizeof(ai));
   1526 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   1527 	REQUIRED_SYS_EQ(0, r);
   1528 
   1529 	XP_NE(0, ai.blocksize);
   1530 		/* hiwat/lowat */
   1531 	XP_EQ(exp_mode, ai.mode);
   1532 	/* ai.play */
   1533 	XP_EQ(8000, ai.play.sample_rate);
   1534 	XP_EQ(1, ai.play.channels);
   1535 	XP_EQ(8, ai.play.precision);
   1536 	XP_EQ(AUDIO_ENCODING_ULAW, ai.play.encoding);
   1537 		/* gain */
   1538 		/* port */
   1539 	XP_EQ(0, ai.play.seek);
   1540 		/* avail_ports */
   1541 	XP_NE(0, ai.play.buffer_size);
   1542 	XP_EQ(0, ai.play.samples);
   1543 	XP_EQ(0, ai.play.eof);
   1544 	XP_EQ(0, ai.play.pause);
   1545 	XP_EQ(0, ai.play.error);
   1546 	XP_EQ(0, ai.play.waiting);
   1547 		/* balance */
   1548 	XP_EQ(exp_popen, ai.play.open);
   1549 	XP_EQ(0, ai.play.active);
   1550 	/* ai.record */
   1551 	XP_EQ(8000, ai.record.sample_rate);
   1552 	XP_EQ(1, ai.record.channels);
   1553 	XP_EQ(8, ai.record.precision);
   1554 	XP_EQ(AUDIO_ENCODING_ULAW, ai.record.encoding);
   1555 		/* gain */
   1556 		/* port */
   1557 	XP_EQ(0, ai.record.seek);
   1558 		/* avail_ports */
   1559 	XP_NE(0, ai.record.buffer_size);
   1560 	XP_EQ(0, ai.record.samples);
   1561 	XP_EQ(0, ai.record.eof);
   1562 	XP_EQ(0, ai.record.pause);
   1563 	XP_EQ(0, ai.record.error);
   1564 	XP_EQ(0, ai.record.waiting);
   1565 		/* balance */
   1566 	XP_EQ(exp_ropen, ai.record.open);
   1567 	if (netbsd < 9 && strcmp(devname, "sound") == 0) {
   1568 		/*
   1569 		 * On NetBSD7/8, it doesn't seem to start recording on open
   1570 		 * for /dev/sound.  It should be a bug.
   1571 		 */
   1572 		XP_EQ(0, ai.record.active);
   1573 	} else {
   1574 		XP_EQ(exp_ropen, ai.record.active);
   1575 	}
   1576 	/* Save it */
   1577 	ai0 = ai;
   1578 
   1579 	/*
   1580 	 * Change much as possible
   1581 	 */
   1582 	AUDIO_INITINFO(&ai);
   1583 	ai.mode = ai0.mode ^ AUMODE_PLAY_ALL;
   1584 	ai.play.sample_rate = 11025;
   1585 	ai.play.channels = 2;
   1586 	ai.play.precision = 16;
   1587 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_LE;
   1588 	ai.play.pause = 1;
   1589 	ai.record.sample_rate = 11025;
   1590 	ai.record.channels = 2;
   1591 	ai.record.precision = 16;
   1592 	ai.record.encoding = AUDIO_ENCODING_SLINEAR_LE;
   1593 	ai.record.pause = 1;
   1594 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "ai");
   1595 	REQUIRED_SYS_EQ(0, r);
   1596 	r = CLOSE(fd);
   1597 	REQUIRED_SYS_EQ(0, r);
   1598 
   1599 	/*
   1600 	 * Open the same target device again and check
   1601 	 */
   1602 	fd = OPEN(devfile, mode);
   1603 	REQUIRED_SYS_OK(fd);
   1604 	memset(&ai, 0, sizeof(ai));
   1605 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   1606 	REQUIRED_SYS_EQ(0, r);
   1607 
   1608 	XP_NE(0, ai.blocksize);
   1609 		/* hiwat/lowat */
   1610 	if (netbsd < 8) {
   1611 		/*
   1612 		 * On NetBSD7, the behavior when changing ai.mode on
   1613 		 * /dev/audioctl can not be explained yet but I won't
   1614 		 * verify it more over.
   1615 		 */
   1616 	} else {
   1617 		/* On NetBSD9, changing mode never affects other fds */
   1618 		XP_EQ(exp_mode, ai.mode);
   1619 	}
   1620 	/* ai.play */
   1621 	XP_EQ(exp_sample_rate, ai.play.sample_rate);
   1622 	XP_EQ(exp_channels, ai.play.channels);
   1623 	XP_EQ(exp_precision, ai.play.precision);
   1624 	XP_EQ(exp_encoding, ai.play.encoding);
   1625 		/* gain */
   1626 		/* port */
   1627 	XP_EQ(0, ai.play.seek);
   1628 		/* avail_ports */
   1629 	XP_NE(0, ai.play.buffer_size);
   1630 	XP_EQ(0, ai.play.samples);
   1631 	XP_EQ(0, ai.play.eof);
   1632 	XP_EQ(exp_pause, ai.play.pause);
   1633 	XP_EQ(0, ai.play.error);
   1634 	XP_EQ(0, ai.play.waiting);
   1635 		/* balance */
   1636 	XP_EQ(exp_popen, ai.play.open);
   1637 	XP_EQ(0, ai.play.active);
   1638 	/* ai.record */
   1639 	XP_EQ(exp_sample_rate, ai.record.sample_rate);
   1640 	XP_EQ(exp_channels, ai.record.channels);
   1641 	XP_EQ(exp_precision, ai.record.precision);
   1642 	XP_EQ(exp_encoding, ai.record.encoding);
   1643 		/* gain */
   1644 		/* port */
   1645 	XP_EQ(0, ai.record.seek);
   1646 		/* avail_ports */
   1647 	XP_NE(0, ai.record.buffer_size);
   1648 	XP_EQ(0, ai.record.samples);
   1649 	XP_EQ(0, ai.record.eof);
   1650 	XP_EQ(exp_pause, ai.record.pause);
   1651 	XP_EQ(0, ai.record.error);
   1652 	XP_EQ(0, ai.record.waiting);
   1653 		/* balance */
   1654 	XP_EQ(exp_ropen, ai.record.open);
   1655 	if (netbsd < 9 && strcmp(devname, "sound") == 0) {
   1656 		/*
   1657 		 * On NetBSD7/8, it doesn't seem to start recording on open
   1658 		 * for /dev/sound.  It should be a bug.
   1659 		 */
   1660 		XP_EQ(0, ai.record.active);
   1661 	} else {
   1662 		XP_EQ(exp_ropen, ai.record.active);
   1663 	}
   1664 
   1665 	r = CLOSE(fd);
   1666 	REQUIRED_SYS_EQ(0, r);
   1667 }
   1668 DEF(open_audio_RDONLY)		{ test_open("audio", O_RDONLY); }
   1669 DEF(open_audio_WRONLY)		{ test_open("audio", O_WRONLY); }
   1670 DEF(open_audio_RDWR)		{ test_open("audio", O_RDWR);   }
   1671 DEF(open_sound_RDONLY)		{ test_open("sound", O_RDONLY); }
   1672 DEF(open_sound_WRONLY)		{ test_open("sound", O_WRONLY); }
   1673 DEF(open_sound_RDWR)		{ test_open("sound", O_RDWR);   }
   1674 DEF(open_audioctl_RDONLY)	{ test_open("audioctl", O_RDONLY); }
   1675 DEF(open_audioctl_WRONLY)	{ test_open("audioctl", O_WRONLY); }
   1676 DEF(open_audioctl_RDWR)		{ test_open("audioctl", O_RDWR);   }
   1677 
   1678 /*
   1679  * Open (1) /dev/sound -> (2) /dev/audio -> (3) /dev/sound,
   1680  * Both of /dev/audio and /dev/sound share the sticky parameters,
   1681  * /dev/sound inherits and use it but /dev/audio initialize and use it.
   1682  * So 2nd audio descriptor affects 3rd sound descriptor.
   1683  */
   1684 DEF(open_sound_sticky)
   1685 {
   1686 	struct audio_info ai;
   1687 	int fd;
   1688 	int r;
   1689 	int openmode;
   1690 
   1691 	TEST("open_sound_sticky");
   1692 
   1693 	openmode = openable_mode();
   1694 
   1695 	/* First, open /dev/sound and change encoding as a delegate */
   1696 	fd = OPEN(devsound, openmode);
   1697 	REQUIRED_SYS_OK(fd);
   1698 	AUDIO_INITINFO(&ai);
   1699 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_LE;
   1700 	ai.record.encoding = AUDIO_ENCODING_SLINEAR_LE;
   1701 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   1702 	REQUIRED_SYS_EQ(0, r);
   1703 	r = CLOSE(fd);
   1704 	REQUIRED_SYS_EQ(0, r);
   1705 
   1706 	/* Next, open /dev/audio.  It makes the encoding mulaw */
   1707 	fd = OPEN(devaudio, openmode);
   1708 	REQUIRED_SYS_OK(fd);
   1709 	r = CLOSE(fd);
   1710 	REQUIRED_SYS_EQ(0, r);
   1711 
   1712 	/* And then, open /dev/sound again */
   1713 	fd = OPEN(devsound, openmode);
   1714 	REQUIRED_SYS_OK(fd);
   1715 	memset(&ai, 0, sizeof(ai));
   1716 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   1717 	REQUIRED_SYS_EQ(0, r);
   1718 	XP_EQ(AUDIO_ENCODING_ULAW, ai.play.encoding);
   1719 	XP_EQ(AUDIO_ENCODING_ULAW, ai.record.encoding);
   1720 	r = CLOSE(fd);
   1721 	REQUIRED_SYS_EQ(0, r);
   1722 }
   1723 
   1724 /*
   1725  * /dev/audioctl has stickiness like /dev/sound.
   1726  */
   1727 DEF(open_audioctl_sticky)
   1728 {
   1729 	struct audio_info ai;
   1730 	int fd;
   1731 	int r;
   1732 	int openmode;
   1733 
   1734 	TEST("open_audioctl_sticky");
   1735 
   1736 	openmode = openable_mode();
   1737 
   1738 	/* First, open /dev/audio and change encoding */
   1739 	fd = OPEN(devaudio, openmode);
   1740 	REQUIRED_SYS_OK(fd);
   1741 	AUDIO_INITINFO(&ai);
   1742 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_LE;
   1743 	ai.play.precision = 16;
   1744 	ai.record.encoding = AUDIO_ENCODING_SLINEAR_LE;
   1745 	ai.record.precision = 16;
   1746 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "SLINEAR_LE");
   1747 	REQUIRED_SYS_EQ(0, r);
   1748 	r = CLOSE(fd);
   1749 	REQUIRED_SYS_EQ(0, r);
   1750 
   1751 	/* Next, open /dev/audioctl.  It should be affected */
   1752 	fd = OPEN(devaudioctl, openmode);
   1753 	REQUIRED_SYS_OK(fd);
   1754 	memset(&ai, 0, sizeof(ai));
   1755 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   1756 	REQUIRED_SYS_EQ(0, r);
   1757 	XP_EQ(AUDIO_ENCODING_SLINEAR_LE, ai.play.encoding);
   1758 	XP_EQ(16, ai.play.precision);
   1759 	XP_EQ(AUDIO_ENCODING_SLINEAR_LE, ai.record.encoding);
   1760 	XP_EQ(16, ai.record.precision);
   1761 
   1762 	/* Then, change /dev/audioctl */
   1763 	AUDIO_INITINFO(&ai);
   1764 	ai.play.encoding = AUDIO_ENCODING_ULAW;
   1765 	ai.play.precision = 8;
   1766 	ai.record.encoding = AUDIO_ENCODING_ULAW;
   1767 	ai.record.precision = 8;
   1768 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "ULAW");
   1769 	REQUIRED_SYS_EQ(0, r);
   1770 	r = CLOSE(fd);
   1771 	REQUIRED_SYS_EQ(0, r);
   1772 
   1773 	/* Finally, open /dev/sound.  It also should be affected  */
   1774 	fd = OPEN(devsound, openmode);
   1775 	REQUIRED_SYS_OK(fd);
   1776 	memset(&ai, 0, sizeof(ai));
   1777 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   1778 	REQUIRED_SYS_EQ(0, r);
   1779 	XP_EQ(AUDIO_ENCODING_ULAW, ai.play.encoding);
   1780 	XP_EQ(8, ai.play.precision);
   1781 	XP_EQ(AUDIO_ENCODING_ULAW, ai.record.encoding);
   1782 	XP_EQ(8, ai.record.precision);
   1783 	r = CLOSE(fd);
   1784 	REQUIRED_SYS_EQ(0, r);
   1785 }
   1786 
   1787 /*
   1788  * Open two descriptors simultaneously.
   1789  */
   1790 void
   1791 test_open_simul(int mode0, int mode1)
   1792 {
   1793 	struct audio_info ai;
   1794 	int fd0, fd1;
   1795 	int i;
   1796 	int r;
   1797 	int actmode;
   1798 #define AUMODE_BOTH (AUMODE_PLAY | AUMODE_RECORD)
   1799 	struct {
   1800 		int mode0;
   1801 		int mode1;
   1802 	} expfulltable[] = {
   1803 		/* expected fd0		expected fd1 (-errno expects error) */
   1804 		{ AUMODE_RECORD,	AUMODE_RECORD },	// REC, REC
   1805 		{ AUMODE_RECORD,	AUMODE_PLAY },		// REC, PLAY
   1806 		{ AUMODE_RECORD,	AUMODE_BOTH },		// REC, BOTH
   1807 		{ AUMODE_PLAY,		AUMODE_RECORD },	// PLAY, REC
   1808 		{ AUMODE_PLAY,		AUMODE_PLAY },		// PLAY, PLAY
   1809 		{ AUMODE_PLAY,		AUMODE_BOTH },		// PLAY, BOTH
   1810 		{ AUMODE_BOTH,		AUMODE_RECORD },	// BOTH, REC
   1811 		{ AUMODE_BOTH,		AUMODE_PLAY },		// BOTH, PLAY
   1812 		{ AUMODE_BOTH,		AUMODE_BOTH },		// BOTH, BOTH
   1813 	},
   1814 	exphalftable[] = {
   1815 		/* expected fd0		expected fd1 (-errno expects error) */
   1816 		{ AUMODE_RECORD,	AUMODE_RECORD },	// REC, REC
   1817 		{ AUMODE_RECORD,	-ENODEV },		// REC, PLAY
   1818 		{ AUMODE_RECORD,	-ENODEV },		// REC, BOTH
   1819 		{ AUMODE_PLAY,		-ENODEV },		// PLAY, REC
   1820 		{ AUMODE_PLAY,		AUMODE_PLAY },		// PLAY, PLAY
   1821 		{ AUMODE_PLAY,		AUMODE_PLAY },		// PLAY, BOTH
   1822 		{ AUMODE_PLAY,		-ENODEV },		// BOTH, REC
   1823 		{ AUMODE_PLAY,		AUMODE_PLAY },		// BOTH, PLAY
   1824 		{ AUMODE_PLAY,		AUMODE_PLAY },		// BOTH, BOTH
   1825 	}, *exptable;
   1826 
   1827 	/* The expected values are different in half-duplex or full-duplex */
   1828 	if (hw_fulldup()) {
   1829 		exptable = expfulltable;
   1830 	} else {
   1831 		exptable = exphalftable;
   1832 	}
   1833 
   1834 	TEST("open_simul_%s_%s",
   1835 	    openmode_str[mode0] + 2,
   1836 	    openmode_str[mode1] + 2);
   1837 
   1838 	if (netbsd < 8) {
   1839 		XP_SKIP("Multiple open is not supported");
   1840 		return;
   1841 	}
   1842 
   1843 	if (mode2aumode(mode0) == 0 || mode2aumode(mode1) == 0) {
   1844 		XP_SKIP("Operation not allowed on this hardware property");
   1845 		return;
   1846 	}
   1847 
   1848 	i = mode0 * 3 + mode1;
   1849 
   1850 	/* Open first one */
   1851 	fd0 = OPEN(devaudio, mode0);
   1852 	REQUIRED_SYS_OK(fd0);
   1853 	r = IOCTL(fd0, AUDIO_GETBUFINFO, &ai, "");
   1854 	REQUIRED_SYS_EQ(0, r);
   1855 	actmode = ai.mode & AUMODE_BOTH;
   1856 	XP_EQ(exptable[i].mode0, actmode);
   1857 
   1858 	/* Open second one */
   1859 	fd1 = OPEN(devaudio, mode1);
   1860 	if (exptable[i].mode1 >= 0) {
   1861 		/* Case to expect to be able to open */
   1862 		REQUIRED_SYS_OK(fd1);
   1863 		r = IOCTL(fd1, AUDIO_GETBUFINFO, &ai, "");
   1864 		XP_SYS_EQ(0, r);
   1865 		if (r == 0) {
   1866 			actmode = ai.mode & AUMODE_BOTH;
   1867 			XP_EQ(exptable[i].mode1, actmode);
   1868 		}
   1869 	} else {
   1870 		/* Case to expect not to be able to open */
   1871 		XP_SYS_NG(ENODEV, fd1);
   1872 		if (fd1 == -1) {
   1873 			XP_EQ(-exptable[i].mode1, errno);
   1874 		} else {
   1875 			r = IOCTL(fd1, AUDIO_GETBUFINFO, &ai, "");
   1876 			XP_SYS_EQ(0, r);
   1877 			if (r == 0) {
   1878 				actmode = ai.mode & AUMODE_BOTH;
   1879 				XP_FAIL("expects error but %d", actmode);
   1880 			}
   1881 		}
   1882 	}
   1883 
   1884 	if (fd1 >= 0) {
   1885 		r = CLOSE(fd1);
   1886 		XP_SYS_EQ(0, r);
   1887 	}
   1888 
   1889 	r = CLOSE(fd0);
   1890 	XP_SYS_EQ(0, r);
   1891 }
   1892 DEF(open_simul_RDONLY_RDONLY)	{ test_open_simul(O_RDONLY, O_RDONLY);	}
   1893 DEF(open_simul_RDONLY_WRONLY)	{ test_open_simul(O_RDONLY, O_WRONLY);	}
   1894 DEF(open_simul_RDONLY_RDWR)	{ test_open_simul(O_RDONLY, O_RDWR);	}
   1895 DEF(open_simul_WRONLY_RDONLY)	{ test_open_simul(O_WRONLY, O_RDONLY);	}
   1896 DEF(open_simul_WRONLY_WRONLY)	{ test_open_simul(O_WRONLY, O_WRONLY);	}
   1897 DEF(open_simul_WRONLY_RDWR)	{ test_open_simul(O_WRONLY, O_RDWR);	}
   1898 DEF(open_simul_RDWR_RDONLY)	{ test_open_simul(O_RDWR, O_RDONLY);	}
   1899 DEF(open_simul_RDWR_WRONLY)	{ test_open_simul(O_RDWR, O_WRONLY);	}
   1900 DEF(open_simul_RDWR_RDWR)	{ test_open_simul(O_RDWR, O_RDWR);	}
   1901 
   1902 /*
   1903  * /dev/audio can be opened by other user who opens /dev/audio.
   1904  */
   1905 void
   1906 try_open_multiuser(bool multiuser)
   1907 {
   1908 	int fd0;
   1909 	int fd1;
   1910 	int r;
   1911 	uid_t ouid;
   1912 
   1913 	/*
   1914 	 * Test1: Open as root first and then unprivileged user.
   1915 	 */
   1916 
   1917 	/* At first, open as root */
   1918 	fd0 = OPEN(devaudio, openable_mode());
   1919 	REQUIRED_SYS_OK(fd0);
   1920 
   1921 	ouid = GETUID();
   1922 	r = SETEUID(1);
   1923 	REQUIRED_SYS_EQ(0, r);
   1924 
   1925 	/* Then, open as unprivileged user */
   1926 	fd1 = OPEN(devaudio, openable_mode());
   1927 	if (multiuser) {
   1928 		/* If multiuser, another user also can open */
   1929 		XP_SYS_OK(fd1);
   1930 	} else {
   1931 		/* If not multiuser, another user cannot open */
   1932 		XP_SYS_NG(EPERM, fd1);
   1933 	}
   1934 	if (fd1 != -1) {
   1935 		r = CLOSE(fd1);
   1936 		XP_SYS_EQ(0, r);
   1937 	}
   1938 
   1939 	r = SETEUID(ouid);
   1940 	REQUIRED_SYS_EQ(0, r);
   1941 
   1942 	r = CLOSE(fd0);
   1943 	XP_SYS_EQ(0, r);
   1944 
   1945 	/*
   1946 	 * Test2: Open as unprivileged user first and then root.
   1947 	 */
   1948 
   1949 	/* At first, open as unprivileged user */
   1950 	ouid = GETUID();
   1951 	r = SETEUID(1);
   1952 	REQUIRED_SYS_EQ(0, r);
   1953 
   1954 	fd0 = OPEN(devaudio, openable_mode());
   1955 	REQUIRED_SYS_OK(fd0);
   1956 
   1957 	/* Then open as root */
   1958 	r = SETEUID(ouid);
   1959 	REQUIRED_SYS_EQ(0, r);
   1960 
   1961 	/* root always can open */
   1962 	fd1 = OPEN(devaudio, openable_mode());
   1963 	XP_SYS_OK(fd1);
   1964 	if (fd1 != -1) {
   1965 		r = CLOSE(fd1);
   1966 		XP_SYS_EQ(0, r);
   1967 	}
   1968 
   1969 	/* Close first one as unprivileged user */
   1970 	r = SETEUID(1);
   1971 	REQUIRED_SYS_EQ(0, r);
   1972 	r = CLOSE(fd0);
   1973 	XP_SYS_EQ(0, r);
   1974 	r = SETEUID(ouid);
   1975 	REQUIRED_SYS_EQ(0, r);
   1976 }
   1977 /*
   1978  * This is a wrapper for open_multiuser.
   1979  * XXX XP_* macros are not compatible with on-error-goto, we need try-catch...
   1980  */
   1981 void
   1982 test_open_multiuser(bool multiuser)
   1983 {
   1984 	char mibname[32];
   1985 	bool oldval;
   1986 	size_t oldlen;
   1987 	int r;
   1988 
   1989 	TEST("open_multiuser_%d", multiuser);
   1990 	if (netbsd < 8) {
   1991 		XP_SKIP("Multiple open is not supported");
   1992 		return;
   1993 	}
   1994 	if (netbsd < 9) {
   1995 		/* NetBSD8 has no way (difficult) to determine device name */
   1996 		XP_SKIP("NetBSD8 cannot determine device name");
   1997 		return;
   1998 	}
   1999 	if (geteuid() != 0) {
   2000 		XP_SKIP("Must be run as a privileged user");
   2001 		return;
   2002 	}
   2003 
   2004 	/* Get current multiuser mode (and save it) */
   2005 	snprintf(mibname, sizeof(mibname), "hw.%s.multiuser", devicename);
   2006 	oldlen = sizeof(oldval);
   2007 	r = SYSCTLBYNAME(mibname, &oldval, &oldlen, NULL, 0);
   2008 	REQUIRED_SYS_EQ(0, r);
   2009 	DPRINTF("  > multiuser=%d\n", oldval);
   2010 
   2011 	/* Change if necessary */
   2012 	if (oldval != multiuser) {
   2013 		r = SYSCTLBYNAME(mibname, NULL, NULL, &multiuser,
   2014 		    sizeof(multiuser));
   2015 		REQUIRED_SYS_EQ(0, r);
   2016 		DPRINTF("  > new multiuser=%d\n", multiuser);
   2017 	}
   2018 
   2019 	/* Do test */
   2020 	try_open_multiuser(multiuser);
   2021 
   2022 	/* Restore multiuser mode */
   2023 	if (oldval != multiuser) {
   2024 		DPRINTF("  > restore multiuser to %d\n", oldval);
   2025 		r = SYSCTLBYNAME(mibname, NULL, NULL, &oldval, sizeof(oldval));
   2026 		REQUIRED_SYS_EQ(0, r);
   2027 	}
   2028 }
   2029 DEF(open_multiuser_0)	{ test_open_multiuser(false); }
   2030 DEF(open_multiuser_1)	{ test_open_multiuser(true); }
   2031 
   2032 /*
   2033  * Normal playback (with PLAY_ALL).
   2034  * It does not verify real playback data.
   2035  */
   2036 DEF(write_PLAY_ALL)
   2037 {
   2038 	char buf[8000];
   2039 	int fd;
   2040 	int r;
   2041 
   2042 	TEST("write_PLAY_ALL");
   2043 
   2044 	fd = OPEN(devaudio, O_WRONLY);
   2045 	if (hw_canplay()) {
   2046 		REQUIRED_SYS_OK(fd);
   2047 	} else {
   2048 		XP_SYS_NG(ENXIO, fd);
   2049 		return;
   2050 	}
   2051 
   2052 	/* mulaw 1sec silence */
   2053 	memset(buf, 0xff, sizeof(buf));
   2054 	r = WRITE(fd, buf, sizeof(buf));
   2055 	XP_SYS_EQ(sizeof(buf), r);
   2056 
   2057 	r = CLOSE(fd);
   2058 	XP_SYS_EQ(0, r);
   2059 }
   2060 
   2061 /*
   2062  * Normal playback (without PLAY_ALL).
   2063  * It does not verify real playback data.
   2064  */
   2065 DEF(write_PLAY)
   2066 {
   2067 	struct audio_info ai;
   2068 	char *wav;
   2069 	int wavsize;
   2070 	int totalsize;
   2071 	int fd;
   2072 	int r;
   2073 
   2074 	TEST("write_PLAY");
   2075 
   2076 	fd = OPEN(devaudio, O_WRONLY);
   2077 	if (hw_canplay()) {
   2078 		REQUIRED_SYS_OK(fd);
   2079 	} else {
   2080 		XP_SYS_NG(ENXIO, fd);
   2081 		return;
   2082 	}
   2083 
   2084 	/* Drop PLAY_ALL */
   2085 	AUDIO_INITINFO(&ai);
   2086 	ai.mode = AUMODE_PLAY;
   2087 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "mode");
   2088 	REQUIRED_SYS_EQ(0, r);
   2089 
   2090 	/* Check mode and get blocksize */
   2091 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   2092 	REQUIRED_SYS_EQ(0, r);
   2093 	XP_EQ(AUMODE_PLAY, ai.mode);
   2094 
   2095 	wavsize = ai.blocksize;
   2096 	wav = (char *)malloc(wavsize);
   2097 	REQUIRED_IF(wav != NULL);
   2098 	memset(wav, 0xff, wavsize);
   2099 
   2100 	/* Write blocks until 1sec */
   2101 	for (totalsize = 0; totalsize < 8000; ) {
   2102 		r = WRITE(fd, wav, wavsize);
   2103 		XP_SYS_EQ(wavsize, r);
   2104 		if (r == -1)
   2105 			break;	/* XXX */
   2106 		totalsize += r;
   2107 	}
   2108 
   2109 	/* XXX What should I test it? */
   2110 	/* Check ai.play.error */
   2111 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   2112 	REQUIRED_SYS_EQ(0, r);
   2113 	XP_EQ(0, ai.play.error);
   2114 
   2115 	/* Playback data is no longer necessary */
   2116 	r = IOCTL(fd, AUDIO_FLUSH, NULL, "");
   2117 	REQUIRED_SYS_EQ(0, r);
   2118 
   2119 	r = CLOSE(fd);
   2120 	REQUIRED_SYS_EQ(0, r);
   2121 
   2122 	free(wav);
   2123 }
   2124 
   2125 /*
   2126  * Normal recording.
   2127  * It does not verify real recorded data.
   2128  */
   2129 DEF(read)
   2130 {
   2131 	char buf[8000];
   2132 	int fd;
   2133 	int r;
   2134 
   2135 	TEST("read");
   2136 
   2137 	fd = OPEN(devaudio, O_RDONLY);
   2138 	if (hw_canrec()) {
   2139 		REQUIRED_SYS_OK(fd);
   2140 	} else {
   2141 		XP_SYS_NG(ENXIO, fd);
   2142 		return;
   2143 	}
   2144 
   2145 	/* mulaw 1sec */
   2146 	r = READ(fd, buf, sizeof(buf));
   2147 	XP_SYS_EQ(sizeof(buf), r);
   2148 
   2149 	r = CLOSE(fd);
   2150 	XP_SYS_EQ(0, r);
   2151 }
   2152 
   2153 /*
   2154  * Repeat open-write-close cycle.
   2155  */
   2156 DEF(rept_write)
   2157 {
   2158 	struct timeval start, end, result;
   2159 	double res;
   2160 	char buf[8000];	/* 1sec in 8bit-mulaw,1ch,8000Hz */
   2161 	int fd;
   2162 	int r;
   2163 	int n;
   2164 
   2165 	TEST("rept_write");
   2166 
   2167 	if (hw_canplay() == 0) {
   2168 		XP_SKIP("This test is only for playable device");
   2169 		return;
   2170 	}
   2171 
   2172 	/* XXX It may timeout on some hardware driver. */
   2173 	XP_SKIP("not yet");
   2174 	return;
   2175 
   2176 	memset(buf, 0xff, sizeof(buf));
   2177 	n = 3;
   2178 	gettimeofday(&start, NULL);
   2179 	for (int i = 0; i < n; i++) {
   2180 		fd = OPEN(devaudio, O_WRONLY);
   2181 		REQUIRED_SYS_OK(fd);
   2182 
   2183 		r = WRITE(fd, buf, sizeof(buf));
   2184 		XP_SYS_EQ(sizeof(buf), r);
   2185 
   2186 		r = CLOSE(fd);
   2187 		XP_SYS_EQ(0, r);
   2188 	}
   2189 	gettimeofday(&end, NULL);
   2190 	timersub(&end, &start, &result);
   2191 	res = (double)result.tv_sec + (double)result.tv_usec / 1000000;
   2192 	/* Make judgement but not too strict */
   2193 	if (res >= n * 1.5) {
   2194 		XP_FAIL("expects %d sec but %4.1f sec", n, res);
   2195 		return;
   2196 	}
   2197 }
   2198 
   2199 /*
   2200  * Repeat open-read-close cycle.
   2201  */
   2202 DEF(rept_read)
   2203 {
   2204 	struct timeval start, end, result;
   2205 	double res;
   2206 	char buf[8000];	/* 1sec in 8bit-mulaw,1ch,8000Hz */
   2207 	int fd;
   2208 	int r;
   2209 	int n;
   2210 
   2211 	TEST("rept_read");
   2212 
   2213 	if (hw_canrec() == 0) {
   2214 		XP_SKIP("This test is only for recordable device");
   2215 		return;
   2216 	}
   2217 
   2218 	/* XXX It may timeout on some hardware driver. */
   2219 	XP_SKIP("not yet");
   2220 	return;
   2221 
   2222 	n = 3;
   2223 	gettimeofday(&start, NULL);
   2224 	for (int i = 0; i < n; i++) {
   2225 		fd = OPEN(devaudio, O_RDONLY);
   2226 		REQUIRED_SYS_OK(fd);
   2227 
   2228 		r = READ(fd, buf, sizeof(buf));
   2229 		XP_SYS_EQ(sizeof(buf), r);
   2230 
   2231 		r = CLOSE(fd);
   2232 		XP_SYS_EQ(0, r);
   2233 	}
   2234 	gettimeofday(&end, NULL);
   2235 	timersub(&end, &start, &result);
   2236 	res = (double)result.tv_sec + (double)result.tv_usec / 1000000;
   2237 	/* Make judgement but not too strict */
   2238 	if (res >= n * 1.5) {
   2239 		XP_FAIL("expects %d sec but %4.1f sec", n, res);
   2240 		return;
   2241 	}
   2242 }
   2243 
   2244 /*
   2245  * Opening with O_RDWR on half-duplex hardware falls back to O_WRONLY.
   2246  * expwrite: expected to be able to play.
   2247  * expread : expected to be able to record.
   2248  */
   2249 void
   2250 test_rdwr_fallback(int openmode, bool expwrite, bool expread)
   2251 {
   2252 	struct audio_info ai;
   2253 	char buf[10];
   2254 	int fd;
   2255 	int r;
   2256 
   2257 	TEST("rdwr_fallback_%s", openmode_str[openmode] + 2);
   2258 
   2259 	if (hw_bidir() == 0) {
   2260 		XP_SKIP("This test is only for bi-directional device");
   2261 		return;
   2262 	}
   2263 
   2264 	AUDIO_INITINFO(&ai);
   2265 	ai.play.pause = 1;
   2266 	ai.record.pause = 1;
   2267 
   2268 	fd = OPEN(devaudio, openmode);
   2269 	REQUIRED_SYS_OK(fd);
   2270 
   2271 	/* Set pause not to play noise */
   2272 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause");
   2273 	REQUIRED_SYS_EQ(0, r);
   2274 
   2275 	memset(buf, 0xff, sizeof(buf));
   2276 	r = WRITE(fd, buf, sizeof(buf));
   2277 	if (expwrite) {
   2278 		XP_SYS_EQ(sizeof(buf), r);
   2279 	} else {
   2280 		XP_SYS_NG(EBADF, r);
   2281 	}
   2282 
   2283 	r = READ(fd, buf, 0);
   2284 	if (expread) {
   2285 		XP_SYS_EQ(0, r);
   2286 	} else {
   2287 		XP_SYS_NG(EBADF, r);
   2288 	}
   2289 
   2290 	r = CLOSE(fd);
   2291 	REQUIRED_SYS_EQ(0, r);
   2292 }
   2293 DEF(rdwr_fallback_RDONLY) { test_rdwr_fallback(O_RDONLY, false, true); }
   2294 DEF(rdwr_fallback_WRONLY) { test_rdwr_fallback(O_WRONLY, true, false); }
   2295 DEF(rdwr_fallback_RDWR) {
   2296 	bool expread;
   2297 	/*
   2298 	 * On NetBSD7, O_RDWR on half-duplex is accepted. It's possible to
   2299 	 * read and write if they don't occur at the same time.
   2300 	 * On NetBSD9, O_RDWR on half-duplex falls back O_WRONLY.
   2301 	 */
   2302 	if (netbsd < 8) {
   2303 		expread = true;
   2304 	} else {
   2305 		expread = hw_fulldup() ? true : false;
   2306 	}
   2307 	test_rdwr_fallback(O_RDWR, true, expread);
   2308 }
   2309 
   2310 /*
   2311  * On full-duplex hardware, the second descriptor's readability/writability
   2312  * does not depend on the first descriptor's open mode.
   2313  * On half-duplex hardware, it depends on the first descriptor's open mode.
   2314  */
   2315 void
   2316 test_rdwr_two(int mode0, int mode1)
   2317 {
   2318 	struct audio_info ai;
   2319 	char wbuf[100];	/* 1/80sec in 8bit-mulaw,1ch,8000Hz */
   2320 	char rbuf[100];	/* 1/80sec in 8bit-mulaw,1ch,8000Hz */
   2321 	bool canopen;
   2322 	bool canwrite;
   2323 	bool canread;
   2324 	int fd0;
   2325 	int fd1;
   2326 	int r;
   2327 	struct {
   2328 		bool canopen;
   2329 		bool canwrite;
   2330 		bool canread;
   2331 	} exptable_full[] = {
   2332 	/*	open write read	   1st, 2nd mode */
   2333 		{ 1, 0, 1 },	/* REC, REC */
   2334 		{ 1, 1, 0 },	/* REC, PLAY */
   2335 		{ 1, 1, 1 },	/* REC, BOTH */
   2336 		{ 1, 0, 1 },	/* PLAY, REC */
   2337 		{ 1, 1, 0 },	/* PLAY, PLAY */
   2338 		{ 1, 1, 1 },	/* PLAY, BOTH */
   2339 		{ 1, 0, 1 },	/* BOTH, REC */
   2340 		{ 1, 1, 0 },	/* BOTH, PLAY */
   2341 		{ 1, 1, 1 },	/* BOTH, BOTH */
   2342 	},
   2343 	exptable_half[] = {
   2344 		{ 1, 0, 1 },	/* REC, REC */
   2345 		{ 0, 0, 0 },	/* REC, PLAY */
   2346 		{ 0, 0, 0 },	/* REC, BOTH */
   2347 		{ 0, 0, 0 },	/* PLAY, REC */
   2348 		{ 1, 1, 0 },	/* PLAY, PLAY */
   2349 		{ 1, 1, 0 },	/* PLAY, BOTH */
   2350 		{ 0, 0, 0 },	/* BOTH, REC */
   2351 		{ 1, 1, 0 },	/* BOTH, PLAY */
   2352 		{ 0, 0, 0 },	/* BOTH, BOTH */
   2353 	}, *exptable;
   2354 
   2355 	TEST("rdwr_two_%s_%s",
   2356 	    openmode_str[mode0] + 2,
   2357 	    openmode_str[mode1] + 2);
   2358 
   2359 	if (netbsd < 8) {
   2360 		XP_SKIP("Multiple open is not supported");
   2361 		return;
   2362 	}
   2363 	if (hw_bidir() == 0) {
   2364 		XP_SKIP("This test is only for bi-directional device");
   2365 		return;
   2366 	}
   2367 
   2368 	exptable = hw_fulldup() ? exptable_full : exptable_half;
   2369 
   2370 	canopen  = exptable[mode0 * 3 + mode1].canopen;
   2371 	canwrite = exptable[mode0 * 3 + mode1].canwrite;
   2372 	canread  = exptable[mode0 * 3 + mode1].canread;
   2373 
   2374 	if (!canopen) {
   2375 		XP_SKIP("This combination is not openable on half-duplex");
   2376 		return;
   2377 	}
   2378 
   2379 	fd0 = OPEN(devaudio, mode0);
   2380 	REQUIRED_SYS_OK(fd0);
   2381 
   2382 	fd1 = OPEN(devaudio, mode1);
   2383 	REQUIRED_SYS_OK(fd1);
   2384 
   2385 	/* Silent data to make no sound */
   2386 	memset(&wbuf, 0xff, sizeof(wbuf));
   2387 	/* Pause to make no sound */
   2388 	AUDIO_INITINFO(&ai);
   2389 	ai.play.pause = 1;
   2390 	r = IOCTL(fd0, AUDIO_SETINFO, &ai, "pause");
   2391 	XP_SYS_EQ(0, r);
   2392 
   2393 	/* write(fd1) */
   2394 	r = WRITE(fd1, wbuf, sizeof(wbuf));
   2395 	if (canwrite) {
   2396 		XP_SYS_EQ(100, r);
   2397 	} else {
   2398 		XP_SYS_NG(EBADF, r);
   2399 	}
   2400 
   2401 	/* read(fd1) */
   2402 	r = READ(fd1, rbuf, sizeof(rbuf));
   2403 	if (canread) {
   2404 		XP_SYS_EQ(100, r);
   2405 	} else {
   2406 		XP_SYS_NG(EBADF, r);
   2407 	}
   2408 
   2409 	r = CLOSE(fd0);
   2410 	XP_SYS_EQ(0, r);
   2411 	r = CLOSE(fd1);
   2412 	XP_SYS_EQ(0, r);
   2413 }
   2414 DEF(rdwr_two_RDONLY_RDONLY)	{ test_rdwr_two(O_RDONLY, O_RDONLY);	}
   2415 DEF(rdwr_two_RDONLY_WRONLY)	{ test_rdwr_two(O_RDONLY, O_WRONLY);	}
   2416 DEF(rdwr_two_RDONLY_RDWR)	{ test_rdwr_two(O_RDONLY, O_RDWR);	}
   2417 DEF(rdwr_two_WRONLY_RDONLY)	{ test_rdwr_two(O_WRONLY, O_RDONLY);	}
   2418 DEF(rdwr_two_WRONLY_WRONLY)	{ test_rdwr_two(O_WRONLY, O_WRONLY);	}
   2419 DEF(rdwr_two_WRONLY_RDWR)	{ test_rdwr_two(O_WRONLY, O_RDWR);	}
   2420 DEF(rdwr_two_RDWR_RDONLY)	{ test_rdwr_two(O_RDWR, O_RDONLY);	}
   2421 DEF(rdwr_two_RDWR_WRONLY)	{ test_rdwr_two(O_RDWR, O_WRONLY);	}
   2422 DEF(rdwr_two_RDWR_RDWR)		{ test_rdwr_two(O_RDWR, O_RDWR);	}
   2423 
   2424 /*
   2425  * Read and write different descriptors simultaneously.
   2426  * Only on full-duplex.
   2427  */
   2428 DEF(rdwr_simul)
   2429 {
   2430 	char wbuf[1000];	/* 1/8sec in mulaw,1ch,8kHz */
   2431 	char rbuf[1000];
   2432 	int fd0;
   2433 	int fd1;
   2434 	int r;
   2435 	int status;
   2436 	pid_t pid;
   2437 
   2438 	TEST("rdwr_simul");
   2439 	if (netbsd < 8) {
   2440 		XP_SKIP("Multiple open is not supported");
   2441 		return;
   2442 	}
   2443 	if (!hw_fulldup()) {
   2444 		XP_SKIP("This test is only for full-duplex device");
   2445 		return;
   2446 	}
   2447 
   2448 	/* Silence data to make no sound */
   2449 	memset(wbuf, 0xff, sizeof(wbuf));
   2450 
   2451 	fd0 = OPEN(devaudio, O_WRONLY);
   2452 	REQUIRED_SYS_OK(fd0);
   2453 	fd1 = OPEN(devaudio, O_RDONLY);
   2454 	REQUIRED_SYS_OK(fd1);
   2455 
   2456 	fflush(stdout);
   2457 	fflush(stderr);
   2458 	pid = fork();
   2459 	if (pid == -1)
   2460 		xp_err(1, __LINE__, "fork");
   2461 
   2462 	if (pid == 0) {
   2463 		/* child (read) */
   2464 		for (int i = 0; i < 10; i++) {
   2465 			r = READ(fd1, rbuf, sizeof(rbuf));
   2466 			if (r == -1)
   2467 				xp_err(1, __LINE__, "read(i=%d)", i);
   2468 		}
   2469 		exit(0);
   2470 	} else {
   2471 		/* parent (write) */
   2472 		for (int i = 0; i < 10; i++) {
   2473 			r = WRITE(fd0, wbuf, sizeof(wbuf));
   2474 			if (r == -1)
   2475 				xp_err(1, __LINE__, "write(i=%d)", i);
   2476 		}
   2477 		waitpid(pid, &status, 0);
   2478 	}
   2479 
   2480 	CLOSE(fd0);
   2481 	CLOSE(fd1);
   2482 	/* If you reach here, consider as success */
   2483 	XP_EQ(0, 0);
   2484 }
   2485 
   2486 /*
   2487  * DRAIN should work even on incomplete data left.
   2488  */
   2489 DEF(drain_incomplete)
   2490 {
   2491 	struct audio_info ai;
   2492 	int r;
   2493 	int fd;
   2494 
   2495 	TEST("drain_incomplete");
   2496 
   2497 	if (hw_canplay() == 0) {
   2498 		XP_SKIP("This test is only for playable device");
   2499 		return;
   2500 	}
   2501 
   2502 	fd = OPEN(devaudio, O_WRONLY);
   2503 	REQUIRED_SYS_OK(fd);
   2504 
   2505 	AUDIO_INITINFO(&ai);
   2506 	/* let precision > 8 */
   2507 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_LE;
   2508 	ai.play.precision = 16;
   2509 	ai.mode = AUMODE_PLAY;
   2510 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   2511 	REQUIRED_SYS_EQ(0, r);
   2512 	/* Write one byte and then close */
   2513 	r = WRITE(fd, &r, 1);
   2514 	XP_SYS_EQ(1, r);
   2515 	r = CLOSE(fd);
   2516 	XP_SYS_EQ(0, r);
   2517 }
   2518 
   2519 /*
   2520  * DRAIN should work even in pause.
   2521  */
   2522 DEF(drain_pause)
   2523 {
   2524 	struct audio_info ai;
   2525 	int r;
   2526 	int fd;
   2527 
   2528 	TEST("drain_pause");
   2529 
   2530 	if (hw_canplay() == 0) {
   2531 		XP_SKIP("This test is only for playable device");
   2532 		return;
   2533 	}
   2534 
   2535 	fd = OPEN(devaudio, O_WRONLY);
   2536 	REQUIRED_SYS_OK(fd);
   2537 
   2538 	/* Set pause */
   2539 	AUDIO_INITINFO(&ai);
   2540 	ai.play.pause = 1;
   2541 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   2542 	XP_SYS_EQ(0, r);
   2543 	/* Write some data and then close */
   2544 	r = WRITE(fd, &r, 4);
   2545 	XP_SYS_EQ(4, r);
   2546 	r = CLOSE(fd);
   2547 	XP_SYS_EQ(0, r);
   2548 }
   2549 
   2550 /*
   2551  * DRAIN does not affect for record-only descriptor.
   2552  */
   2553 DEF(drain_onrec)
   2554 {
   2555 	int fd;
   2556 	int r;
   2557 
   2558 	TEST("drain_onrec");
   2559 
   2560 	if (hw_canrec() == 0) {
   2561 		XP_SKIP("This test is only for recordable device");
   2562 		return;
   2563 	}
   2564 
   2565 	fd = OPEN(devaudio, O_RDONLY);
   2566 	REQUIRED_SYS_OK(fd);
   2567 
   2568 	r = IOCTL(fd, AUDIO_DRAIN, NULL, "");
   2569 	XP_SYS_EQ(0, r);
   2570 
   2571 	r = CLOSE(fd);
   2572 	XP_SYS_EQ(0, r);
   2573 }
   2574 
   2575 /*
   2576  * Whether mmap() succeeds with specified parameter.
   2577  */
   2578 void
   2579 test_mmap_mode(int mode, int prot)
   2580 {
   2581 	char buf[10];
   2582 	struct audio_info ai;
   2583 	const char *protstr;
   2584 	int expected;
   2585 	int fd;
   2586 	int r;
   2587 	int len;
   2588 	void *ptr;
   2589 
   2590 	if (prot == PROT_NONE) {
   2591 		protstr = "NONE";
   2592 	} else if (prot == PROT_READ) {
   2593 		protstr = "READ";
   2594 	} else if (prot == PROT_WRITE) {
   2595 		protstr = "WRITE";
   2596 	} else if (prot == (PROT_READ | PROT_WRITE)) {
   2597 		protstr = "READWRITE";
   2598 	} else {
   2599 		xp_errx(1, __LINE__, "unknown prot %x\n", prot);
   2600 	}
   2601 	TEST("mmap_%s_%s", openmode_str[mode] + 2, protstr);
   2602 	if ((props & AUDIO_PROP_MMAP) == 0) {
   2603 		XP_SKIP("This test is only for mmap-able device");
   2604 		return;
   2605 	}
   2606 	if (mode2aumode(mode) == 0) {
   2607 		XP_SKIP("Operation not allowed on this hardware property");
   2608 		return;
   2609 	}
   2610 #if !defined(NO_RUMP)
   2611 	if (use_rump) {
   2612 		XP_SKIP("rump doesn't support mmap");
   2613 		return;
   2614 	}
   2615 #endif
   2616 
   2617 	/*
   2618 	 * On NetBSD7 and 8, mmap() always succeeds regardless of open mode.
   2619 	 * On NetBSD9, mmap() succeeds only for writable descriptor.
   2620 	 */
   2621 	expected = mode2play(mode);
   2622 	if (netbsd < 9) {
   2623 		expected = true;
   2624 	}
   2625 
   2626 	fd = OPEN(devaudio, mode);
   2627 	REQUIRED_SYS_OK(fd);
   2628 
   2629 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "get");
   2630 	REQUIRED_SYS_EQ(0, r);
   2631 
   2632 	len = ai.play.buffer_size;
   2633 
   2634 	/* Make it pause */
   2635 	AUDIO_INITINFO(&ai);
   2636 	ai.play.pause = 1;
   2637 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause");
   2638 	REQUIRED_SYS_EQ(0, r);
   2639 
   2640 	ptr = MMAP(NULL, len, prot, MAP_FILE, fd, 0);
   2641 	XP_SYS_PTR(expected ? 0 : EACCES, ptr);
   2642 	if (expected) {
   2643 		/* XXX Doing mmap(2) doesn't inhibit read(2) */
   2644 		if (mode2rec(mode)) {
   2645 			r = READ(fd, buf, 0);
   2646 			XP_SYS_EQ(0, r);
   2647 		}
   2648 		/* Doing mmap(2) inhibits write(2) */
   2649 		if (mode2play(mode)) {
   2650 			/* NetBSD9 changes errno */
   2651 			r = WRITE(fd, buf, 0);
   2652 			if (netbsd < 9) {
   2653 				XP_SYS_NG(EINVAL, r);
   2654 			} else {
   2655 				XP_SYS_NG(EPERM, r);
   2656 			}
   2657 		}
   2658 	}
   2659 	if (ptr != MAP_FAILED) {
   2660 		r = MUNMAP(ptr, len);
   2661 		XP_SYS_EQ(0, r);
   2662 	}
   2663 
   2664 	/* Whether the pause is still valid */
   2665 	if (mode2play(mode)) {
   2666 		r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   2667 		XP_SYS_EQ(0, r);
   2668 		XP_EQ(1, ai.play.pause);
   2669 	}
   2670 
   2671 	r = CLOSE(fd);
   2672 	XP_SYS_EQ(0, r);
   2673 
   2674 	reset_after_mmap();
   2675 }
   2676 #define PROT_READWRITE	(PROT_READ | PROT_WRITE)
   2677 DEF(mmap_mode_RDONLY_NONE)	{ test_mmap_mode(O_RDONLY, PROT_NONE); }
   2678 DEF(mmap_mode_RDONLY_READ)	{ test_mmap_mode(O_RDONLY, PROT_READ); }
   2679 DEF(mmap_mode_RDONLY_WRITE)	{ test_mmap_mode(O_RDONLY, PROT_WRITE); }
   2680 DEF(mmap_mode_RDONLY_READWRITE)	{ test_mmap_mode(O_RDONLY, PROT_READWRITE); }
   2681 DEF(mmap_mode_WRONLY_NONE)	{ test_mmap_mode(O_WRONLY, PROT_NONE); }
   2682 DEF(mmap_mode_WRONLY_READ)	{ test_mmap_mode(O_WRONLY, PROT_READ); }
   2683 DEF(mmap_mode_WRONLY_WRITE)	{ test_mmap_mode(O_WRONLY, PROT_WRITE); }
   2684 DEF(mmap_mode_WRONLY_READWRITE)	{ test_mmap_mode(O_WRONLY, PROT_READWRITE); }
   2685 DEF(mmap_mode_RDWR_NONE)	{ test_mmap_mode(O_RDWR, PROT_NONE); }
   2686 DEF(mmap_mode_RDWR_READ)	{ test_mmap_mode(O_RDWR, PROT_READ); }
   2687 DEF(mmap_mode_RDWR_WRITE)	{ test_mmap_mode(O_RDWR, PROT_WRITE); }
   2688 DEF(mmap_mode_RDWR_READWRITE)	{ test_mmap_mode(O_RDWR, PROT_READWRITE); }
   2689 
   2690 /*
   2691  * Check mmap()'s length and offset.
   2692  *
   2693  * Actual len and offset cannot be determined before open.  So that,
   2694  * pass pre-defined constant as argument, and convert it after open.
   2695  */
   2696 #define LS	(100)	/* lsize     */
   2697 #define LS1	(101)	/* lsize + 1 */
   2698 void
   2699 test_mmap_len(size_t len, off_t offset, int exp)
   2700 {
   2701 	struct audio_info ai;
   2702 	int fd;
   2703 	int r;
   2704 	size_t plen;
   2705 	void *ptr;
   2706 	int bufsize;
   2707 	int pagesize;
   2708 	int lsize;
   2709 
   2710 	TEST("mmap_len(%zd, %jd, %d)", len, offset, exp);
   2711 	if ((props & AUDIO_PROP_MMAP) == 0) {
   2712 		XP_SKIP("This test is only for mmap-able device");
   2713 		return;
   2714 	}
   2715 #if !defined(NO_RUMP)
   2716 	if (use_rump) {
   2717 		XP_SKIP("rump doesn't support mmap");
   2718 		return;
   2719 	}
   2720 #endif
   2721 
   2722 	plen = sizeof(pagesize);
   2723 	r = SYSCTLBYNAME("hw.pagesize", &pagesize, &plen, NULL, 0);
   2724 	REQUIRED_SYS_EQ(0, r);
   2725 
   2726 	fd = OPEN(devaudio, O_WRONLY);
   2727 	REQUIRED_SYS_OK(r);
   2728 
   2729 	/* Get buffer_size */
   2730 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   2731 	REQUIRED_SYS_EQ(0, r);
   2732 	bufsize = ai.play.buffer_size;
   2733 
   2734 	/*
   2735 	 * XXX someone refers bufsize and another one does pagesize.
   2736 	 * I'm not sure.
   2737 	 */
   2738 	lsize = roundup2(bufsize, pagesize);
   2739 
   2740 	/* Here, lsize can be assigned */
   2741 	if (len == LS) {
   2742 		len = lsize;
   2743 	} else if (len == LS1) {
   2744 		len = lsize + 1;
   2745 	}
   2746 	if (offset == LS) {
   2747 		offset = lsize;
   2748 	} else if (offset == LS1) {
   2749 		offset = lsize + 1;
   2750 	}
   2751 
   2752 	ptr = MMAP(NULL, len, PROT_WRITE, MAP_FILE, fd, offset);
   2753 	if (exp == 0) {
   2754 		XP_SYS_PTR(0, ptr);
   2755 	} else {
   2756 		/* NetBSD8 introduces EOVERFLOW */
   2757 		if (netbsd < 8 && exp == EOVERFLOW)
   2758 			exp = EINVAL;
   2759 		XP_SYS_PTR(exp, ptr);
   2760 	}
   2761 
   2762 	if (ptr != MAP_FAILED) {
   2763 		r = MUNMAP(ptr, len);
   2764 		XP_SYS_EQ(0, r);
   2765 	}
   2766 
   2767 	r = CLOSE(fd);
   2768 	XP_SYS_EQ(0, r);
   2769 
   2770 	reset_after_mmap();
   2771 }
   2772 #define f(l, o, e)	test_mmap_len(l, o, e)
   2773 DEF(mmap_len_0)	{ f(0,   0,   0); }		/* len is 0 */
   2774 DEF(mmap_len_1)	{ f(1,   0,   0); }		/* len is smaller than lsize */
   2775 DEF(mmap_len_2)	{ f(LS,  0,   0); }		/* len is the same as lsize */
   2776 DEF(mmap_len_3)	{ f(LS1, 0,   EOVERFLOW); }	/* len is larger */
   2777 DEF(mmap_len_4)	{ f(0,   -1,  EINVAL); }	/* offset is negative */
   2778 DEF(mmap_len_5)	{ f(0,   LS,  0); }		/* pointless param but ok */
   2779 DEF(mmap_len_6)	{ f(0,   LS1, EOVERFLOW); }	/* exceed */
   2780 DEF(mmap_len_7)	{ f(1,   LS,  EOVERFLOW); }	/* exceed */
   2781 /*
   2782  * When you treat the offset as 32bit, offset will be 0 and thus it
   2783  * incorrectly succeeds.
   2784  */
   2785 DEF(mmap_len_8)	{ f(LS, 1ULL << 32, EOVERFLOW); }
   2786 #undef f
   2787 
   2788 /*
   2789  * mmap() the same descriptor twice.
   2790  */
   2791 DEF(mmap_twice)
   2792 {
   2793 	struct audio_info ai;
   2794 	int fd;
   2795 	int r;
   2796 	int len;
   2797 	void *ptr1;
   2798 	void *ptr2;
   2799 
   2800 	TEST("mmap_twice");
   2801 	if ((props & AUDIO_PROP_MMAP) == 0) {
   2802 		XP_SKIP("This test is only for mmap-able device");
   2803 		return;
   2804 	}
   2805 #if !defined(NO_RUMP)
   2806 	if (use_rump) {
   2807 		XP_SKIP("rump doesn't support mmap");
   2808 		return;
   2809 	}
   2810 #endif
   2811 
   2812 	fd = OPEN(devaudio, O_WRONLY);
   2813 	REQUIRED_SYS_OK(fd);
   2814 
   2815 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "get");
   2816 	REQUIRED_SYS_EQ(0, r);
   2817 	len = ai.play.buffer_size;
   2818 
   2819 	ptr1 = MMAP(NULL, len, PROT_WRITE, MAP_FILE, fd, 0);
   2820 	XP_SYS_PTR(0, ptr1);
   2821 
   2822 	/* XXX I'm not sure this sucess is intended.  Anyway I follow it */
   2823 	ptr2 = MMAP(NULL, len, PROT_WRITE, MAP_FILE, fd, 0);
   2824 	XP_SYS_PTR(0, ptr2);
   2825 
   2826 	if (ptr2 != MAP_FAILED) {
   2827 		r = MUNMAP(ptr2, len);
   2828 		XP_SYS_EQ(0, r);
   2829 	}
   2830 	if (ptr1 != MAP_FAILED) {
   2831 		r = MUNMAP(ptr1, len);
   2832 		XP_SYS_EQ(0, r);
   2833 	}
   2834 
   2835 	r = CLOSE(fd);
   2836 	XP_SYS_EQ(0, r);
   2837 
   2838 	reset_after_mmap();
   2839 }
   2840 
   2841 /*
   2842  * mmap() different descriptors.
   2843  */
   2844 DEF(mmap_multi)
   2845 {
   2846 	struct audio_info ai;
   2847 	int fd0;
   2848 	int fd1;
   2849 	int r;
   2850 	int len;
   2851 	void *ptr0;
   2852 	void *ptr1;
   2853 
   2854 	TEST("mmap_multi");
   2855 	if (netbsd < 8) {
   2856 		XP_SKIP("Multiple open is not supported");
   2857 		return;
   2858 	}
   2859 	if ((props & AUDIO_PROP_MMAP) == 0) {
   2860 		XP_SKIP("This test is only for mmap-able device");
   2861 		return;
   2862 	}
   2863 #if !defined(NO_RUMP)
   2864 	if (use_rump) {
   2865 		XP_SKIP("rump doesn't support mmap");
   2866 		return;
   2867 	}
   2868 #endif
   2869 
   2870 	fd0 = OPEN(devaudio, O_WRONLY);
   2871 	REQUIRED_SYS_OK(fd0);
   2872 
   2873 	r = IOCTL(fd0, AUDIO_GETBUFINFO, &ai, "get");
   2874 	REQUIRED_SYS_EQ(0, r);
   2875 	len = ai.play.buffer_size;
   2876 
   2877 	fd1 = OPEN(devaudio, O_WRONLY);
   2878 	REQUIRED_SYS_OK(fd1);
   2879 
   2880 	ptr0 = MMAP(NULL, len, PROT_WRITE, MAP_FILE, fd0, 0);
   2881 	XP_SYS_PTR(0, ptr0);
   2882 
   2883 	ptr1 = MMAP(NULL, len,  PROT_WRITE, MAP_FILE, fd1, 0);
   2884 	XP_SYS_PTR(0, ptr1);
   2885 
   2886 	if (ptr0 != MAP_FAILED) {
   2887 		r = MUNMAP(ptr1, len);
   2888 		XP_SYS_EQ(0, r);
   2889 	}
   2890 
   2891 	r = CLOSE(fd1);
   2892 	XP_SYS_EQ(0, r);
   2893 
   2894 	if (ptr1 != MAP_FAILED) {
   2895 		r = MUNMAP(ptr0, len);
   2896 		XP_SYS_EQ(0, r);
   2897 	}
   2898 
   2899 	r = CLOSE(fd0);
   2900 	XP_SYS_EQ(0, r);
   2901 
   2902 	reset_after_mmap();
   2903 }
   2904 
   2905 #define IN	POLLIN
   2906 #define OUT	POLLOUT
   2907 /*
   2908  * Whether poll() succeeds with specified mode.
   2909  */
   2910 void
   2911 test_poll_mode(int mode, int events, int expected_revents)
   2912 {
   2913 	struct pollfd pfd;
   2914 	const char *events_str;
   2915 	int fd;
   2916 	int r;
   2917 	int expected_r;
   2918 
   2919 	if (events == IN) {
   2920 		events_str = "IN";
   2921 	} else if (events == OUT) {
   2922 		events_str = "OUT";
   2923 	} else if (events == (IN | OUT)) {
   2924 		events_str = "INOUT";
   2925 	} else {
   2926 		events_str = "?";
   2927 	}
   2928 	TEST("poll_mode_%s_%s", openmode_str[mode] + 2, events_str);
   2929 	if (mode2aumode(mode) == 0) {
   2930 		XP_SKIP("Operation not allowed on this hardware property");
   2931 		return;
   2932 	}
   2933 
   2934 	expected_r = (expected_revents != 0) ? 1 : 0;
   2935 
   2936 	fd = OPEN(devaudio, mode);
   2937 	REQUIRED_SYS_OK(fd);
   2938 
   2939 	/* Wait a bit to be recorded. */
   2940 	usleep(100 * 1000);
   2941 
   2942 	memset(&pfd, 0, sizeof(pfd));
   2943 	pfd.fd = fd;
   2944 	pfd.events = events;
   2945 
   2946 	r = POLL(&pfd, 1, 100);
   2947 	/* It's a bit complicated..  */
   2948 	if (r < 0 || r > 1) {
   2949 		/*
   2950 		 * Check these two cases first:
   2951 		 * - system call fails.
   2952 		 * - poll() with one nfds returns >1.  It's strange.
   2953 		 */
   2954 		XP_SYS_EQ(expected_r, r);
   2955 	} else {
   2956 		/*
   2957 		 * Otherwise, poll() returned 0 or 1.
   2958 		 */
   2959 		DPRINTF("  > pfd.revents=%s\n", event_tostr(pfd.revents));
   2960 
   2961 		/* NetBSD7,8 have several strange behavior.  It must be bug. */
   2962 
   2963 		XP_SYS_EQ(expected_r, r);
   2964 		XP_EQ(expected_revents, pfd.revents);
   2965 	}
   2966 	r = CLOSE(fd);
   2967 	XP_SYS_EQ(0, r);
   2968 }
   2969 DEF(poll_mode_RDONLY_IN)	{ test_poll_mode(O_RDONLY, IN,     IN); }
   2970 DEF(poll_mode_RDONLY_OUT)	{ test_poll_mode(O_RDONLY, OUT,    0); }
   2971 DEF(poll_mode_RDONLY_INOUT)	{ test_poll_mode(O_RDONLY, IN|OUT, IN); }
   2972 DEF(poll_mode_WRONLY_IN)	{ test_poll_mode(O_WRONLY, IN,     0); }
   2973 DEF(poll_mode_WRONLY_OUT)	{ test_poll_mode(O_WRONLY, OUT,	   OUT); }
   2974 DEF(poll_mode_WRONLY_INOUT)	{ test_poll_mode(O_WRONLY, IN|OUT, OUT); }
   2975 DEF(poll_mode_RDWR_IN)		{
   2976 	/* On half-duplex, O_RDWR is the same as O_WRONLY. */
   2977 	if (hw_fulldup()) test_poll_mode(O_RDWR,   IN,     IN);
   2978 	else		  test_poll_mode(O_RDWR,   IN,     0);
   2979 }
   2980 DEF(poll_mode_RDWR_OUT)		{ test_poll_mode(O_RDWR,   OUT,	   OUT); }
   2981 DEF(poll_mode_RDWR_INOUT)	{
   2982 	/* On half-duplex, O_RDWR is the same as O_WRONLY. */
   2983 	if (hw_fulldup()) test_poll_mode(O_RDWR,   IN|OUT, IN|OUT);
   2984 	else		  test_poll_mode(O_RDWR,   IN|OUT,    OUT);
   2985 }
   2986 
   2987 /*
   2988  * Poll(OUT) when buffer is empty.
   2989  */
   2990 DEF(poll_out_empty)
   2991 {
   2992 	struct pollfd pfd;
   2993 	int fd;
   2994 	int r;
   2995 
   2996 	TEST("poll_out_empty");
   2997 
   2998 	fd = OPEN(devaudio, O_WRONLY);
   2999 	REQUIRED_SYS_OK(fd);
   3000 
   3001 	memset(&pfd, 0, sizeof(pfd));
   3002 	pfd.fd = fd;
   3003 	pfd.events = POLLOUT;
   3004 
   3005 	/* Check when empty.  It should succeed even if timeout == 0 */
   3006 	r = POLL(&pfd, 1, 0);
   3007 	XP_SYS_EQ(1, r);
   3008 	XP_EQ(POLLOUT, pfd.revents);
   3009 
   3010 	r = CLOSE(fd);
   3011 	XP_SYS_EQ(0, r);
   3012 }
   3013 
   3014 /*
   3015  * Poll(OUT) when buffer is full.
   3016  */
   3017 DEF(poll_out_full)
   3018 {
   3019 	struct audio_info ai;
   3020 	struct pollfd pfd;
   3021 	int fd;
   3022 	int r;
   3023 	char *buf;
   3024 	int buflen;
   3025 
   3026 	TEST("poll_out_full");
   3027 
   3028 	fd = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3029 	REQUIRED_SYS_OK(fd);
   3030 
   3031 	/* Pause */
   3032 	AUDIO_INITINFO(&ai);
   3033 	ai.play.pause = 1;
   3034 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   3035 	XP_SYS_EQ(0, r);
   3036 
   3037 	/* Get buffer size */
   3038 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3039 	XP_SYS_EQ(0, r);
   3040 
   3041 	/* Write until full */
   3042 	buflen = ai.play.buffer_size;
   3043 	buf = (char *)malloc(buflen);
   3044 	REQUIRED_IF(buf != NULL);
   3045 	memset(buf, 0xff, buflen);
   3046 	do {
   3047 		r = WRITE(fd, buf, buflen);
   3048 	} while (r == buflen);
   3049 	if (r == -1) {
   3050 		XP_SYS_NG(EAGAIN, r);
   3051 	}
   3052 
   3053 	/* Do poll */
   3054 	memset(&pfd, 0, sizeof(pfd));
   3055 	pfd.fd = fd;
   3056 	pfd.events = POLLOUT;
   3057 	r = POLL(&pfd, 1, 0);
   3058 	XP_SYS_EQ(0, r);
   3059 	XP_EQ(0, pfd.revents);
   3060 
   3061 	r = CLOSE(fd);
   3062 	XP_SYS_EQ(0, r);
   3063 	free(buf);
   3064 }
   3065 
   3066 /*
   3067  * Poll(OUT) when buffer is full but hiwat sets lower than full.
   3068  */
   3069 DEF(poll_out_hiwat)
   3070 {
   3071 	struct audio_info ai;
   3072 	struct pollfd pfd;
   3073 	int fd;
   3074 	int r;
   3075 	char *buf;
   3076 	int buflen;
   3077 	int newhiwat;
   3078 
   3079 	TEST("poll_out_hiwat");
   3080 
   3081 	fd = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3082 	REQUIRED_SYS_OK(fd);
   3083 
   3084 	/* Get buffer size and hiwat */
   3085 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3086 	XP_SYS_EQ(0, r);
   3087 	/* Change hiwat some different value */
   3088 	newhiwat = ai.lowat;
   3089 
   3090 	/* Set pause and hiwat */
   3091 	AUDIO_INITINFO(&ai);
   3092 	ai.play.pause = 1;
   3093 	ai.hiwat = newhiwat;
   3094 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause=1;hiwat");
   3095 	XP_SYS_EQ(0, r);
   3096 
   3097 	/* Get the set hiwat again */
   3098 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3099 	XP_SYS_EQ(0, r);
   3100 
   3101 	/* Write until full */
   3102 	buflen = ai.blocksize * ai.hiwat;
   3103 	buf = (char *)malloc(buflen);
   3104 	REQUIRED_IF(buf != NULL);
   3105 	memset(buf, 0xff, buflen);
   3106 	do {
   3107 		r = WRITE(fd, buf, buflen);
   3108 	} while (r == buflen);
   3109 	if (r == -1) {
   3110 		XP_SYS_NG(EAGAIN, r);
   3111 	}
   3112 
   3113 	/* Do poll */
   3114 	memset(&pfd, 0, sizeof(pfd));
   3115 	pfd.fd = fd;
   3116 	pfd.events = POLLOUT;
   3117 	r = POLL(&pfd, 1, 0);
   3118 	XP_SYS_EQ(0, r);
   3119 	XP_EQ(0, pfd.revents);
   3120 
   3121 	r = CLOSE(fd);
   3122 	XP_SYS_EQ(0, r);
   3123 	free(buf);
   3124 }
   3125 
   3126 /*
   3127  * Unpause from buffer full, POLLOUT should raise.
   3128  * XXX poll(2) on NetBSD7 is really incomplete and weird.  I don't test it.
   3129  */
   3130 DEF(poll_out_unpause)
   3131 {
   3132 	struct audio_info ai;
   3133 	struct pollfd pfd;
   3134 	int fd;
   3135 	int r;
   3136 	char *buf;
   3137 	int buflen;
   3138 	u_int blocksize;
   3139 	int hiwat;
   3140 	int lowat;
   3141 
   3142 	TEST("poll_out_unpause");
   3143 	if (netbsd < 8) {
   3144 		XP_SKIP("NetBSD7's poll() is too incomplete to test.");
   3145 		return;
   3146 	}
   3147 
   3148 	/* Non-blocking open */
   3149 	fd = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3150 	REQUIRED_SYS_OK(fd);
   3151 
   3152 	/* Adjust block size and hiwat/lowat to make the test time 1sec */
   3153 	blocksize = 1000;	/* 1/8 sec in mulaw,1ch,8000Hz */
   3154 	hiwat = 12;		/* 1.5sec */
   3155 	lowat = 4;		/* 0.5sec */
   3156 	AUDIO_INITINFO(&ai);
   3157 	ai.blocksize = blocksize;
   3158 	ai.hiwat = hiwat;
   3159 	ai.lowat = lowat;
   3160 	/* and also set encoding */
   3161 	/*
   3162 	 * XXX NetBSD7 has different results depending on whether the input
   3163 	 * encoding is emulated (AUDIO_ENCODINGFLAG_EMULATED) or not.  It's
   3164 	 * not easy to ensure this situation on all hardware environment.
   3165 	 * On NetBSD9, the result is the same regardless of input encoding.
   3166 	 */
   3167 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "blocksize=%d", blocksize);
   3168 	XP_SYS_EQ(0, r);
   3169 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3170 	if (ai.blocksize != blocksize) {
   3171 		/*
   3172 		 * NetBSD9 can not change the blocksize.  Then,
   3173 		 * adjust using hiwat/lowat.
   3174 		 */
   3175 		blocksize = ai.blocksize;
   3176 		hiwat = howmany(8000 * 1.5, blocksize);
   3177 		lowat = howmany(8000 * 0.5, blocksize);
   3178 	}
   3179 	/* Anyway, set the parameters */
   3180 	AUDIO_INITINFO(&ai);
   3181 	ai.blocksize = blocksize;
   3182 	ai.hiwat = hiwat;
   3183 	ai.lowat = lowat;
   3184 	ai.play.pause = 1;
   3185 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause=1");
   3186 	XP_SYS_EQ(0, r);
   3187 
   3188 	/* Get the set parameters again */
   3189 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3190 	XP_SYS_EQ(0, r);
   3191 
   3192 	/* Write until full */
   3193 	buflen = ai.blocksize * ai.hiwat;
   3194 	buf = (char *)malloc(buflen);
   3195 	REQUIRED_IF(buf != NULL);
   3196 	memset(buf, 0xff, buflen);
   3197 	do {
   3198 		r = WRITE(fd, buf, buflen);
   3199 	} while (r == buflen);
   3200 	if (r == -1) {
   3201 		XP_SYS_NG(EAGAIN, r);
   3202 	}
   3203 
   3204 	/* At this time, POLLOUT should not be set because buffer is full */
   3205 	memset(&pfd, 0, sizeof(pfd));
   3206 	pfd.fd = fd;
   3207 	pfd.events = POLLOUT;
   3208 	r = POLL(&pfd, 1, 0);
   3209 	XP_SYS_EQ(0, r);
   3210 	XP_EQ(0, pfd.revents);
   3211 
   3212 	/* Unpause */
   3213 	AUDIO_INITINFO(&ai);
   3214 	ai.play.pause = 0;
   3215 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause=0");
   3216 	XP_SYS_EQ(0, r);
   3217 
   3218 	/*
   3219 	 * When unpause occurs:
   3220 	 * - NetBSD7 (emul=0) -> the buffer remains.
   3221 	 * - NetBSD7 (emul=1) -> the buffer is cleared.
   3222 	 * - NetBSD8          -> the buffer remains.
   3223 	 * - NetBSD9          -> the buffer remains.
   3224 	 */
   3225 
   3226 	/* Check poll() up to 2sec */
   3227 	pfd.revents = 0;
   3228 	r = POLL(&pfd, 1, 2000);
   3229 	XP_SYS_EQ(1, r);
   3230 	XP_EQ(POLLOUT, pfd.revents);
   3231 
   3232 	/*
   3233 	 * Since POLLOUT is set, it should be writable.
   3234 	 * But at this time, no all buffer may be writable.
   3235 	 */
   3236 	r = WRITE(fd, buf, buflen);
   3237 	XP_SYS_OK(r);
   3238 
   3239 	/* Flush it because there is no need to play it */
   3240 	r = IOCTL(fd, AUDIO_FLUSH, NULL, "");
   3241 	XP_SYS_EQ(0, r);
   3242 
   3243 	r = CLOSE(fd);
   3244 	XP_SYS_EQ(0, r);
   3245 	free(buf);
   3246 }
   3247 
   3248 /*
   3249  * poll(2) must not be affected by playback of other descriptors.
   3250  */
   3251 DEF(poll_out_simul)
   3252 {
   3253 	struct audio_info ai;
   3254 	struct pollfd pfd[2];
   3255 	int fd[2];
   3256 	int r;
   3257 	char *buf;
   3258 	u_int blocksize;
   3259 	int hiwat;
   3260 	int lowat;
   3261 	int buflen;
   3262 	int time;
   3263 
   3264 	TEST("poll_out_simul");
   3265 	if (netbsd < 8) {
   3266 		XP_SKIP("Multiple open is not supported");
   3267 		return;
   3268 	}
   3269 
   3270 	/* Make sure that it's not affected by descriptor order */
   3271 	for (int i = 0; i < 2; i++) {
   3272 		int a = i;
   3273 		int b = 1 - i;
   3274 
   3275 		fd[0] = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3276 		REQUIRED_SYS_OK(fd[0]);
   3277 		fd[1] = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3278 		REQUIRED_SYS_OK(fd[1]);
   3279 
   3280 		/*
   3281 		 * Adjust block size and hiwat/lowat.
   3282 		 * I want to choice suitable blocksize (if possible).
   3283 		 */
   3284 		blocksize = 1000;	/* 1/8 sec in mulaw,1ch,8000Hz */
   3285 		hiwat = 12;		/* 1.5sec */
   3286 		lowat = 4;		/* 0.5sec */
   3287 		AUDIO_INITINFO(&ai);
   3288 		ai.blocksize = blocksize;
   3289 		ai.hiwat = hiwat;
   3290 		ai.lowat = lowat;
   3291 		r = IOCTL(fd[0], AUDIO_SETINFO, &ai, "blocksize=1000");
   3292 		XP_SYS_EQ(0, r);
   3293 		r = IOCTL(fd[0], AUDIO_GETBUFINFO, &ai, "read back blocksize");
   3294 		if (ai.blocksize != blocksize) {
   3295 			/*
   3296 			 * NetBSD9 can not change the blocksize.  Then,
   3297 			 * adjust using hiwat/lowat.
   3298 			 */
   3299 			blocksize = ai.blocksize;
   3300 			hiwat = howmany(8000 * 1.5, blocksize);
   3301 			lowat = howmany(8000 * 0.5, blocksize);
   3302 		}
   3303 		/* Anyway, set the parameters */
   3304 		AUDIO_INITINFO(&ai);
   3305 		ai.blocksize = blocksize;
   3306 		ai.hiwat = hiwat;
   3307 		ai.lowat = lowat;
   3308 		/* Pause fdA */
   3309 		ai.play.pause = 1;
   3310 		r = IOCTL(fd[a], AUDIO_SETINFO, &ai, "pause=1");
   3311 		XP_SYS_EQ(0, r);
   3312 		/* Unpause fdB */
   3313 		ai.play.pause = 0;
   3314 		r = IOCTL(fd[b], AUDIO_SETINFO, &ai, "pause=0");
   3315 		XP_SYS_EQ(0, r);
   3316 
   3317 		/* Get again. XXX two individual ioctls are correct */
   3318 		r = IOCTL(fd[0], AUDIO_GETBUFINFO, &ai, "");
   3319 		XP_SYS_EQ(0, r);
   3320 		DPRINTF("  > blocksize=%d lowat=%d hiwat=%d\n",
   3321 			ai.blocksize, ai.lowat, ai.hiwat);
   3322 
   3323 		/* Enough long time than the playback time */
   3324 		time = (ai.hiwat - ai.lowat) * blocksize / 8;  /*[msec]*/
   3325 		time *= 2;
   3326 
   3327 		/* Write fdA full */
   3328 		buflen = blocksize * ai.lowat;
   3329 		buf = (char *)malloc(buflen);
   3330 		REQUIRED_IF(buf != NULL);
   3331 		memset(buf, 0xff, buflen);
   3332 		do {
   3333 			r = WRITE(fd[a], buf, buflen);
   3334 		} while (r == buflen);
   3335 		if (r == -1) {
   3336 			XP_SYS_NG(EAGAIN, r);
   3337 		}
   3338 
   3339 		/* POLLOUT should not be set, because fdA is buffer full */
   3340 		memset(pfd, 0, sizeof(pfd));
   3341 		pfd[0].fd = fd[a];
   3342 		pfd[0].events = POLLOUT;
   3343 		r = POLL(pfd, 1, 0);
   3344 		XP_SYS_EQ(0, r);
   3345 		XP_EQ(0, pfd[0].revents);
   3346 
   3347 		/* Write fdB at least lowat */
   3348 		r = WRITE(fd[b], buf, buflen);
   3349 		XP_SYS_EQ(buflen, r);
   3350 		r = WRITE(fd[b], buf, buflen);
   3351 		if (r == -1) {
   3352 			XP_SYS_NG(EAGAIN, r);
   3353 		}
   3354 
   3355 		/* Only fdB should become POLLOUT */
   3356 		memset(pfd, 0, sizeof(pfd));
   3357 		pfd[0].fd = fd[0];
   3358 		pfd[0].events = POLLOUT;
   3359 		pfd[1].fd = fd[1];
   3360 		pfd[1].events = POLLOUT;
   3361 		r = POLL(pfd, 2, time);
   3362 		XP_SYS_EQ(1, r);
   3363 		if (r != -1) {
   3364 			XP_EQ(0, pfd[a].revents);
   3365 			XP_EQ(POLLOUT, pfd[b].revents);
   3366 		}
   3367 
   3368 		/* Drop the rest */
   3369 		r = IOCTL(fd[0], AUDIO_FLUSH, NULL, "");
   3370 		XP_SYS_EQ(0, r);
   3371 		r = IOCTL(fd[1], AUDIO_FLUSH, NULL, "");
   3372 		XP_SYS_EQ(0, r);
   3373 
   3374 		r = CLOSE(fd[0]);
   3375 		XP_SYS_EQ(0, r);
   3376 		r = CLOSE(fd[1]);
   3377 		XP_SYS_EQ(0, r);
   3378 		free(buf);
   3379 
   3380 		xxx_close_wait();
   3381 	}
   3382 }
   3383 
   3384 /*
   3385  * Open with READ mode starts recording immediately.
   3386  * Of course, audioctl doesn't start.
   3387  */
   3388 void
   3389 test_poll_in_open(const char *devname)
   3390 {
   3391 	struct audio_info ai;
   3392 	struct pollfd pfd;
   3393 	char buf[4096];
   3394 	char devfile[16];
   3395 	int fd;
   3396 	int r;
   3397 	bool is_audioctl;
   3398 
   3399 	TEST("poll_in_open_%s", devname);
   3400 	if (hw_canrec() == 0) {
   3401 		XP_SKIP("This test is only for recordable device");
   3402 		return;
   3403 	}
   3404 
   3405 	snprintf(devfile, sizeof(devfile), "/dev/%s%d", devname, unit);
   3406 	is_audioctl = (strcmp(devname, "audioctl") == 0);
   3407 
   3408 	fd = OPEN(devfile, O_RDONLY);
   3409 	REQUIRED_SYS_OK(fd);
   3410 
   3411 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3412 	REQUIRED_SYS_EQ(0, r);
   3413 	if (is_audioctl) {
   3414 		/* opening /dev/audioctl doesn't start recording. */
   3415 		XP_EQ(0, ai.record.active);
   3416 	} else {
   3417 		/* opening /dev/{audio,sound} starts recording. */
   3418 		/*
   3419 		 * On NetBSD7/8, opening /dev/sound doesn't start recording.
   3420 		 * It must be a bug.
   3421 		 */
   3422 		XP_EQ(1, ai.record.active);
   3423 	}
   3424 
   3425 	memset(&pfd, 0, sizeof(pfd));
   3426 	pfd.fd = fd;
   3427 	pfd.events = POLLIN;
   3428 	r = POLL(&pfd, 1, 1000);
   3429 	if (is_audioctl) {
   3430 		/*
   3431 		 * poll-ing /dev/audioctl always fails.
   3432 		 * XXX Returning error instead of timeout should be better(?).
   3433 		 */
   3434 		REQUIRED_SYS_EQ(0, r);
   3435 	} else {
   3436 		/*
   3437 		 * poll-ing /dev/{audio,sound} will succeed when recorded
   3438 		 * data is arrived.
   3439 		 */
   3440 		/*
   3441 		 * On NetBSD7/8, opening /dev/sound doesn't start recording.
   3442 		 * It must be a bug.
   3443 		 */
   3444 		REQUIRED_SYS_EQ(1, r);
   3445 
   3446 		/* In this case, read() should succeed. */
   3447 		r = READ(fd, buf, sizeof(buf));
   3448 		XP_SYS_OK(r);
   3449 		XP_NE(0, r);
   3450 	}
   3451 
   3452 	r = CLOSE(fd);
   3453 	XP_SYS_EQ(0, r);
   3454 }
   3455 DEF(poll_in_open_audio)		{ test_poll_in_open("audio"); }
   3456 DEF(poll_in_open_sound)		{ test_poll_in_open("sound"); }
   3457 DEF(poll_in_open_audioctl)	{ test_poll_in_open("audioctl"); }
   3458 
   3459 /*
   3460  * poll(2) must not be affected by other recording descriptors even if
   3461  * playback descriptor waits with POLLIN (though it's not normal usage).
   3462  * In other words, two POLLIN must not interfere.
   3463  */
   3464 DEF(poll_in_simul)
   3465 {
   3466 	struct audio_info ai;
   3467 	struct pollfd pfd;
   3468 	int fd[2];
   3469 	int r;
   3470 	char *buf;
   3471 	int blocksize;
   3472 
   3473 	TEST("poll_in_simul");
   3474 	if (netbsd < 8) {
   3475 		XP_SKIP("Multiple open is not supported");
   3476 		return;
   3477 	}
   3478 	if (hw_fulldup() == 0) {
   3479 		XP_SKIP("This test is only for full-duplex device");
   3480 		return;
   3481 	}
   3482 
   3483 	int play = 0;
   3484 	int rec = 1;
   3485 
   3486 	fd[play] = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3487 	REQUIRED_SYS_OK(fd[play]);
   3488 	fd[rec] = OPEN(devaudio, O_RDONLY);
   3489 	REQUIRED_SYS_OK(fd[rec]);
   3490 
   3491 	/* Get block size */
   3492 	r = IOCTL(fd[rec], AUDIO_GETBUFINFO, &ai, "");
   3493 	XP_SYS_EQ(0, r);
   3494 	blocksize = ai.blocksize;
   3495 
   3496 	buf = (char *)malloc(blocksize);
   3497 	REQUIRED_IF(buf != NULL);
   3498 
   3499 	/*
   3500 	 * At first, make sure the playback one doesn't return POLLIN.
   3501 	 */
   3502 	memset(&pfd, 0, sizeof(pfd));
   3503 	pfd.fd = fd[play];
   3504 	pfd.events = POLLIN;
   3505 	r = POLL(&pfd, 1, 0);
   3506 	if (r == 0 && pfd.revents == 0) {
   3507 		XP_SYS_EQ(0, r);
   3508 		XP_EQ(0, pfd.revents);
   3509 	} else {
   3510 		XP_FAIL("play fd returns POLLIN");
   3511 		goto abort;
   3512 	}
   3513 
   3514 	/* Start recording */
   3515 	r = READ(fd[rec], buf, blocksize);
   3516 	XP_SYS_EQ(blocksize, r);
   3517 
   3518 	/* Poll()ing playback descriptor with POLLIN should not raise */
   3519 	r = POLL(&pfd, 1, 1000);
   3520 	XP_SYS_EQ(0, r);
   3521 	XP_EQ(0, pfd.revents);
   3522 
   3523 	/* Poll()ing recording descriptor with POLLIN should raise */
   3524 	pfd.fd = fd[rec];
   3525 	r = POLL(&pfd, 1, 0);
   3526 	XP_SYS_EQ(1, r);
   3527 	XP_EQ(POLLIN, pfd.revents);
   3528 
   3529 abort:
   3530 	r = CLOSE(fd[play]);
   3531 	XP_SYS_EQ(0, r);
   3532 	r = CLOSE(fd[rec]);
   3533 	XP_SYS_EQ(0, r);
   3534 	free(buf);
   3535 }
   3536 
   3537 /*
   3538  * Whether kqueue() succeeds with specified mode.
   3539  */
   3540 void
   3541 test_kqueue_mode(int openmode, int filt, int expected)
   3542 {
   3543 	struct kevent kev;
   3544 	struct timespec ts;
   3545 	int fd;
   3546 	int kq;
   3547 	int r;
   3548 
   3549 	TEST("kqueue_mode_%s_%s",
   3550 	    openmode_str[openmode] + 2,
   3551 	    (filt == EVFILT_READ) ? "READ" : "WRITE");
   3552 	if (mode2aumode(openmode) == 0) {
   3553 		XP_SKIP("Operation not allowed on this hardware property");
   3554 		return;
   3555 	}
   3556 
   3557 	ts.tv_sec = 0;
   3558 	ts.tv_nsec = 100 * 1000 * 1000;	// 100msec
   3559 
   3560 	kq = KQUEUE();
   3561 	XP_SYS_OK(kq);
   3562 
   3563 	fd = OPEN(devaudio, openmode);
   3564 	REQUIRED_SYS_OK(fd);
   3565 
   3566 	/*
   3567 	 * Check whether the specified filter can be set.
   3568 	 * Any filters can always be set, even if pointless combination.
   3569 	 * For example, EVFILT_READ can be set on O_WRONLY descriptor
   3570 	 * though it will never raise.
   3571 	 * I will not mention about good or bad of this behavior here.
   3572 	 */
   3573 	EV_SET(&kev, fd, filt, EV_ADD, 0, 0, 0);
   3574 	r = KEVENT_SET(kq, &kev, 1);
   3575 	XP_SYS_EQ(0, r);
   3576 
   3577 	if (r == 0) {
   3578 		/* If the filter can be set, try kevent(poll) */
   3579 		r = KEVENT_POLL(kq, &kev, 1, &ts);
   3580 		XP_SYS_EQ(expected, r);
   3581 
   3582 		/* Delete it */
   3583 		EV_SET(&kev, fd, filt, EV_DELETE, 0, 0, 0);
   3584 		r = KEVENT_SET(kq, &kev, 1);
   3585 		XP_SYS_EQ(0, r);
   3586 	}
   3587 
   3588 	r = CLOSE(fd);
   3589 	XP_SYS_EQ(0, r);
   3590 	r = CLOSE(kq);
   3591 	XP_SYS_EQ(0, r);
   3592 }
   3593 DEF(kqueue_mode_RDONLY_READ) {
   3594 	/* Should raise */
   3595 	test_kqueue_mode(O_RDONLY, EVFILT_READ, 1);
   3596 }
   3597 DEF(kqueue_mode_RDONLY_WRITE) {
   3598 	/* Should never raise (NetBSD7 has bugs) */
   3599 	int expected = (netbsd < 8) ? 1 : 0;
   3600 	test_kqueue_mode(O_RDONLY, EVFILT_WRITE, expected);
   3601 }
   3602 DEF(kqueue_mode_WRONLY_READ) {
   3603 	/* Should never raise */
   3604 	test_kqueue_mode(O_WRONLY, EVFILT_READ, 0);
   3605 }
   3606 DEF(kqueue_mode_WRONLY_WRITE) {
   3607 	/* Should raise */
   3608 	test_kqueue_mode(O_WRONLY, EVFILT_WRITE, 1);
   3609 }
   3610 DEF(kqueue_mode_RDWR_READ) {
   3611 	/* Should raise on fulldup but not on halfdup, on NetBSD9 */
   3612 	int expected = hw_fulldup() ? 1 : 0;
   3613 	test_kqueue_mode(O_RDWR, EVFILT_READ, expected);
   3614 }
   3615 DEF(kqueue_mode_RDWR_WRITE) {
   3616 	/* Should raise */
   3617 	test_kqueue_mode(O_RDWR, EVFILT_WRITE, 1);
   3618 }
   3619 
   3620 /*
   3621  * kqueue(2) when buffer is empty.
   3622  */
   3623 DEF(kqueue_empty)
   3624 {
   3625 	struct audio_info ai;
   3626 	struct kevent kev;
   3627 	struct timespec ts;
   3628 	int kq;
   3629 	int fd;
   3630 	int r;
   3631 
   3632 	TEST("kqueue_empty");
   3633 
   3634 	fd = OPEN(devaudio, O_WRONLY);
   3635 	REQUIRED_SYS_OK(fd);
   3636 
   3637 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3638 	XP_SYS_EQ(0, r);
   3639 
   3640 	kq = KQUEUE();
   3641 	XP_SYS_OK(kq);
   3642 
   3643 	EV_SET(&kev, fd, EV_ADD, EVFILT_WRITE, 0, 0, 0);
   3644 	r = KEVENT_SET(kq, &kev, 1);
   3645 	XP_SYS_EQ(0, r);
   3646 
   3647 	/* When the buffer is empty, it should succeed even if timeout == 0 */
   3648 	memset(&ts, 0, sizeof(ts));
   3649 	r = KEVENT_POLL(kq, &kev, 1, &ts);
   3650 	XP_SYS_EQ(1, r);
   3651 	XP_EQ(fd, kev.ident);
   3652 	/*
   3653 	 * XXX According to kqueue(2) manpage, returned kev.data contains
   3654 	 * "the amount of space remaining in the write buffer".
   3655 	 * NetBSD7 returns buffer_size.  Shouldn't it be blocksize * hiwat?
   3656 	 */
   3657 	/* XP_EQ(ai.blocksize * ai.hiwat, kev.data); */
   3658 	XP_EQ(ai.play.buffer_size, kev.data);
   3659 
   3660 	r = CLOSE(fd);
   3661 	XP_SYS_EQ(0, r);
   3662 	r = CLOSE(kq);
   3663 	XP_SYS_EQ(0, r);
   3664 }
   3665 
   3666 /*
   3667  * kqueue(2) when buffer is full.
   3668  */
   3669 DEF(kqueue_full)
   3670 {
   3671 	struct audio_info ai;
   3672 	struct kevent kev;
   3673 	struct timespec ts;
   3674 	int kq;
   3675 	int fd;
   3676 	int r;
   3677 	char *buf;
   3678 	int buflen;
   3679 
   3680 	TEST("kqueue_full");
   3681 
   3682 	fd = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3683 	REQUIRED_SYS_OK(fd);
   3684 
   3685 	/* Pause */
   3686 	AUDIO_INITINFO(&ai);
   3687 	ai.play.pause = 1;
   3688 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   3689 	XP_SYS_EQ(0, r);
   3690 
   3691 	/* Get buffer size */
   3692 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3693 	XP_SYS_EQ(0, r);
   3694 
   3695 	/* Write until full */
   3696 	buflen = ai.play.buffer_size;
   3697 	buf = (char *)malloc(buflen);
   3698 	REQUIRED_IF(buf != NULL);
   3699 	memset(buf, 0xff, buflen);
   3700 	do {
   3701 		r = WRITE(fd, buf, buflen);
   3702 	} while (r == buflen);
   3703 	if (r == -1) {
   3704 		XP_SYS_NG(EAGAIN, r);
   3705 	}
   3706 
   3707 	kq = KQUEUE();
   3708 	XP_SYS_OK(kq);
   3709 
   3710 	EV_SET(&kev, fd, EV_ADD, EVFILT_WRITE, 0, 0, 0);
   3711 	r = KEVENT_SET(kq, &kev, 1);
   3712 	XP_SYS_EQ(0, r);
   3713 
   3714 	/* kevent() should not raise */
   3715 	ts.tv_sec = 0;
   3716 	ts.tv_nsec = 100L * 1000 * 1000;	/* 100msec */
   3717 	r = KEVENT_POLL(kq, &kev, 1, &ts);
   3718 	XP_SYS_EQ(0, r);
   3719 	if (r > 0) {
   3720 		XP_EQ(fd, kev.ident);
   3721 		XP_EQ(0, kev.data);
   3722 	}
   3723 
   3724 	r = CLOSE(fd);
   3725 	XP_SYS_EQ(0, r);
   3726 	r = CLOSE(kq);
   3727 	XP_SYS_EQ(0, r);
   3728 	free(buf);
   3729 }
   3730 
   3731 /*
   3732  * kqueue(2) when buffer is full but hiwat sets lower than full.
   3733  */
   3734 DEF(kqueue_hiwat)
   3735 {
   3736 	struct audio_info ai;
   3737 	struct kevent kev;
   3738 	struct timespec ts;
   3739 	int kq;
   3740 	int fd;
   3741 	int r;
   3742 	char *buf;
   3743 	int buflen;
   3744 	int newhiwat;
   3745 
   3746 	TEST("kqueue_hiwat");
   3747 
   3748 	fd = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3749 	REQUIRED_SYS_OK(fd);
   3750 
   3751 	/* Get buffer size and hiwat */
   3752 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "hiwat");
   3753 	XP_SYS_EQ(0, r);
   3754 	/* Change hiwat some different value */
   3755 	newhiwat = ai.hiwat - 1;
   3756 
   3757 	/* Set pause and hiwat */
   3758 	AUDIO_INITINFO(&ai);
   3759 	ai.play.pause = 1;
   3760 	ai.hiwat = newhiwat;
   3761 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause=1;hiwat");
   3762 	XP_SYS_EQ(0, r);
   3763 
   3764 	/* Get the set parameters again */
   3765 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3766 	XP_SYS_EQ(0, r);
   3767 	XP_EQ(1, ai.play.pause);
   3768 	XP_EQ(newhiwat, ai.hiwat);
   3769 
   3770 	/* Write until full */
   3771 	buflen = ai.blocksize * ai.hiwat;
   3772 	buf = (char *)malloc(buflen);
   3773 	REQUIRED_IF(buf != NULL);
   3774 	memset(buf, 0xff, buflen);
   3775 	do {
   3776 		r = WRITE(fd, buf, buflen);
   3777 	} while (r == buflen);
   3778 	if (r == -1) {
   3779 		XP_SYS_NG(EAGAIN, r);
   3780 	}
   3781 
   3782 	kq = KQUEUE();
   3783 	XP_SYS_OK(kq);
   3784 
   3785 	EV_SET(&kev, fd, EV_ADD, EVFILT_WRITE, 0, 0, 0);
   3786 	r = KEVENT_SET(kq, &kev, 1);
   3787 	XP_SYS_EQ(0, r);
   3788 
   3789 	/* Should not raise because it's not possible to write */
   3790 	ts.tv_sec = 0;
   3791 	ts.tv_nsec = 100L * 1000 * 1000;	/* 100msec */
   3792 	r = KEVENT_POLL(kq, &kev, 1, &ts);
   3793 	if (r > 0)
   3794 		DEBUG_KEV("kev", &kev);
   3795 	XP_SYS_EQ(0, r);
   3796 
   3797 	r = CLOSE(fd);
   3798 	XP_SYS_EQ(0, r);
   3799 	r = CLOSE(kq);
   3800 	XP_SYS_EQ(0, r);
   3801 	free(buf);
   3802 }
   3803 
   3804 /*
   3805  * Unpause from buffer full, kevent() should raise.
   3806  */
   3807 DEF(kqueue_unpause)
   3808 {
   3809 	struct audio_info ai;
   3810 	struct kevent kev;
   3811 	struct timespec ts;
   3812 	int fd;
   3813 	int r;
   3814 	int kq;
   3815 	char *buf;
   3816 	int buflen;
   3817 	u_int blocksize;
   3818 	int hiwat;
   3819 	int lowat;
   3820 
   3821 	TEST("kqueue_unpause");
   3822 
   3823 	/* Non-blocking open */
   3824 	fd = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3825 	REQUIRED_SYS_OK(fd);
   3826 
   3827 	/* Adjust block size and hiwat/lowat to make the test time 1sec */
   3828 	blocksize = 1000;	/* 1/8 sec in mulaw,1ch,8000Hz */
   3829 	hiwat = 12;		/* 1.5sec */
   3830 	lowat = 4;		/* 0.5sec */
   3831 	AUDIO_INITINFO(&ai);
   3832 	ai.blocksize = blocksize;
   3833 	ai.hiwat = hiwat;
   3834 	ai.lowat = lowat;
   3835 	/* and also set encoding */
   3836 	/*
   3837 	 * XXX NetBSD7 has different results depending on whether the input
   3838 	 * encoding is emulated (AUDIO_ENCODINGFLAG_EMULATED) or not.  It's
   3839 	 * not easy to ensure this situation on all hardware environment.
   3840 	 * On NetBSD9, the result is the same regardless of input encoding.
   3841 	 */
   3842 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "blocksize=%d", blocksize);
   3843 	XP_SYS_EQ(0, r);
   3844 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3845 	if (ai.blocksize != blocksize) {
   3846 		/*
   3847 		 * NetBSD9 can not change the blocksize.  Then,
   3848 		 * adjust using hiwat/lowat.
   3849 		 */
   3850 		blocksize = ai.blocksize;
   3851 		hiwat = howmany(8000 * 1.5, blocksize);
   3852 		lowat = howmany(8000 * 0.5, blocksize);
   3853 	}
   3854 	/* Anyway, set the parameters */
   3855 	AUDIO_INITINFO(&ai);
   3856 	ai.blocksize = blocksize;
   3857 	ai.hiwat = hiwat;
   3858 	ai.lowat = lowat;
   3859 	ai.play.pause = 1;
   3860 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause=1");
   3861 	XP_SYS_EQ(0, r);
   3862 
   3863 	/* Get the set parameters again */
   3864 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   3865 	XP_SYS_EQ(0, r);
   3866 	DPRINTF("  > blocksize=%d hiwat=%d lowat=%d buffer_size=%d\n",
   3867 	    ai.blocksize, ai.hiwat, ai.lowat, ai.play.buffer_size);
   3868 
   3869 	/* Write until full */
   3870 	buflen = ai.blocksize * ai.hiwat;
   3871 	buf = (char *)malloc(buflen);
   3872 	REQUIRED_IF(buf != NULL);
   3873 	memset(buf, 0xff, buflen);
   3874 	do {
   3875 		r = WRITE(fd, buf, buflen);
   3876 	} while (r == buflen);
   3877 	if (r == -1) {
   3878 		XP_SYS_NG(EAGAIN, r);
   3879 	}
   3880 
   3881 	kq = KQUEUE();
   3882 	XP_SYS_OK(kq);
   3883 
   3884 	EV_SET(&kev, fd, EV_ADD, EVFILT_WRITE, 0, 0, 0);
   3885 	r = KEVENT_SET(kq, &kev, 1);
   3886 	XP_SYS_EQ(0, r);
   3887 
   3888 	/* Unpause */
   3889 	AUDIO_INITINFO(&ai);
   3890 	ai.play.pause = 0;
   3891 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause=0");
   3892 	XP_SYS_EQ(0, r);
   3893 
   3894 	/* Check kevent() up to 2sec */
   3895 	ts.tv_sec = 2;
   3896 	ts.tv_nsec = 0;
   3897 	r = KEVENT_POLL(kq, &kev, 1, &ts);
   3898 	if (r >= 1)
   3899 		DEBUG_KEV("kev", &kev);
   3900 	if (netbsd < 8) {
   3901 		/*
   3902 		 * NetBSD7 with EMULATED_FLAG unset has bugs.  Unpausing
   3903 		 * unintentionally clears buffer (and therefore it becomes
   3904 		 * writable) but it doesn't raise EVFILT_WRITE.
   3905 		 */
   3906 	} else {
   3907 		XP_SYS_EQ(1, r);
   3908 	}
   3909 
   3910 	/* Flush it because there is no need to play it */
   3911 	r = IOCTL(fd, AUDIO_FLUSH, NULL, "");
   3912 	XP_SYS_EQ(0, r);
   3913 
   3914 	r = CLOSE(fd);
   3915 	XP_SYS_EQ(0, r);
   3916 	r = CLOSE(kq);
   3917 	XP_SYS_EQ(0, r);
   3918 	free(buf);
   3919 }
   3920 
   3921 /*
   3922  * kevent(2) must not be affected by other audio descriptors.
   3923  */
   3924 DEF(kqueue_simul)
   3925 {
   3926 	struct audio_info ai;
   3927 	struct audio_info ai2;
   3928 	struct kevent kev[2];
   3929 	struct timespec ts;
   3930 	int fd[2];
   3931 	int r;
   3932 	int kq;
   3933 	u_int blocksize;
   3934 	int hiwat;
   3935 	int lowat;
   3936 	char *buf;
   3937 	int buflen;
   3938 
   3939 	TEST("kqueue_simul");
   3940 	if (netbsd < 8) {
   3941 		XP_SKIP("Multiple open is not supported");
   3942 		return;
   3943 	}
   3944 
   3945 	memset(&ts, 0, sizeof(ts));
   3946 
   3947 	/* Make sure that it's not affected by descriptor order */
   3948 	for (int i = 0; i < 2; i++) {
   3949 		int a = i;
   3950 		int b = 1 - i;
   3951 
   3952 		fd[0] = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3953 		REQUIRED_SYS_OK(fd[0]);
   3954 		fd[1] = OPEN(devaudio, O_WRONLY | O_NONBLOCK);
   3955 		REQUIRED_SYS_OK(fd[1]);
   3956 
   3957 		/*
   3958 		 * Adjust block size and hiwat/lowat.
   3959 		 * I want to choice suitable blocksize (if possible).
   3960 		 */
   3961 		blocksize = 1000;	/* 1/8 sec in mulaw,1ch,8000Hz */
   3962 		hiwat = 12;		/* 1.5sec */
   3963 		lowat = 4;		/* 0.5sec */
   3964 		AUDIO_INITINFO(&ai);
   3965 		ai.blocksize = blocksize;
   3966 		ai.hiwat = hiwat;
   3967 		ai.lowat = lowat;
   3968 		r = IOCTL(fd[0], AUDIO_SETINFO, &ai, "blocksize=1000");
   3969 		XP_SYS_EQ(0, r);
   3970 		r = IOCTL(fd[0], AUDIO_GETBUFINFO, &ai, "read back blocksize");
   3971 		if (ai.blocksize != blocksize) {
   3972 			/*
   3973 			 * NetBSD9 can not change the blocksize.  Then,
   3974 			 * adjust using hiwat/lowat.
   3975 			 */
   3976 			blocksize = ai.blocksize;
   3977 			hiwat = howmany(8000 * 1.5, blocksize);
   3978 			lowat = howmany(8000 * 0.5, blocksize);
   3979 		}
   3980 		/* Anyway, set the parameters to both */
   3981 		AUDIO_INITINFO(&ai);
   3982 		ai.blocksize = blocksize;
   3983 		ai.hiwat = hiwat;
   3984 		ai.lowat = lowat;
   3985 		ai.play.pause = 1;
   3986 		r = IOCTL(fd[a], AUDIO_SETINFO, &ai, "pause=1");
   3987 		XP_SYS_EQ(0, r);
   3988 		r = IOCTL(fd[b], AUDIO_SETINFO, &ai, "pause=1");
   3989 		XP_SYS_EQ(0, r);
   3990 
   3991 		/* Write both until full */
   3992 		buflen = ai.blocksize * ai.hiwat;
   3993 		buf = (char *)malloc(buflen);
   3994 		REQUIRED_IF(buf != NULL);
   3995 		memset(buf, 0xff, buflen);
   3996 		/* Write fdA */
   3997 		do {
   3998 			r = WRITE(fd[a], buf, buflen);
   3999 		} while (r == buflen);
   4000 		if (r == -1) {
   4001 			XP_SYS_NG(EAGAIN, r);
   4002 		}
   4003 		/* Write fdB */
   4004 		do {
   4005 			r = WRITE(fd[b], buf, buflen);
   4006 		} while (r == buflen);
   4007 		if (r == -1) {
   4008 			XP_SYS_NG(EAGAIN, r);
   4009 		}
   4010 
   4011 		/* Get fdB's initial seek for later */
   4012 		r = IOCTL(fd[b], AUDIO_GETBUFINFO, &ai2, "");
   4013 		XP_SYS_EQ(0, r);
   4014 
   4015 		kq = KQUEUE();
   4016 		XP_SYS_OK(kq);
   4017 
   4018 		/* Both aren't raised at this point */
   4019 		EV_SET(&kev[0], fd[a], EV_ADD, EVFILT_WRITE, 0, 0, 0);
   4020 		EV_SET(&kev[1], fd[b], EV_ADD, EVFILT_WRITE, 0, 0, 0);
   4021 		r = KEVENT_SET(kq, kev, 2);
   4022 		XP_SYS_EQ(0, r);
   4023 
   4024 		/* Unpause only fdA */
   4025 		AUDIO_INITINFO(&ai);
   4026 		ai.play.pause = 0;
   4027 		r = IOCTL(fd[a], AUDIO_SETINFO, &ai, "pause=0");
   4028 		XP_SYS_EQ(0, r);
   4029 
   4030 		/* kevent() up to 2sec */
   4031 		ts.tv_sec = 2;
   4032 		ts.tv_nsec = 0;
   4033 		r = KEVENT_POLL(kq, &kev[0], 1, &ts);
   4034 		if (r >= 1)
   4035 			DEBUG_KEV("kev", &kev[0]);
   4036 		/* fdA should raise */
   4037 		XP_SYS_EQ(1, r);
   4038 		XP_EQ(fd[a], kev[0].ident);
   4039 
   4040 		/* Make sure that fdB keeps whole data */
   4041 		r = IOCTL(fd[b], AUDIO_GETBUFINFO, &ai, "");
   4042 		XP_EQ(ai2.play.seek, ai.play.seek);
   4043 
   4044 		/* Flush it because there is no need to play it */
   4045 		r = IOCTL(fd[0], AUDIO_FLUSH, NULL, "");
   4046 		XP_SYS_EQ(0, r);
   4047 		r = IOCTL(fd[1], AUDIO_FLUSH, NULL, "");
   4048 		XP_SYS_EQ(0, r);
   4049 
   4050 		r = CLOSE(fd[0]);
   4051 		XP_SYS_EQ(0, r);
   4052 		r = CLOSE(fd[1]);
   4053 		XP_SYS_EQ(0, r);
   4054 		r = CLOSE(kq);
   4055 		XP_SYS_EQ(0, r);
   4056 		free(buf);
   4057 
   4058 		xxx_close_wait();
   4059 	}
   4060 }
   4061 
   4062 /* Shared data between threads for ioctl_while_write */
   4063 struct ioctl_while_write_data {
   4064 	int fd;
   4065 	struct timeval start;
   4066 	int terminated;
   4067 };
   4068 
   4069 /* Test thread for ioctl_while_write */
   4070 void *thread_ioctl_while_write(void *);
   4071 void *
   4072 thread_ioctl_while_write(void *arg)
   4073 {
   4074 	struct ioctl_while_write_data *data = arg;
   4075 	struct timeval now, res;
   4076 	struct audio_info ai;
   4077 	int r;
   4078 
   4079 	/* If 0.5 seconds have elapsed since writing, assume it's blocked */
   4080 	do {
   4081 		usleep(100);
   4082 		gettimeofday(&now, NULL);
   4083 		timersub(&now, &data->start, &res);
   4084 	} while (res.tv_usec < 500000);
   4085 
   4086 	/* Then, do ioctl() */
   4087 	r = IOCTL(data->fd, AUDIO_GETBUFINFO, &ai, "");
   4088 	XP_SYS_EQ(0, r);
   4089 
   4090 	/* Terminate */
   4091 	data->terminated = 1;
   4092 
   4093 	/* Resume write() by unpause */
   4094 	AUDIO_INITINFO(&ai);
   4095 	if (netbsd < 8) {
   4096 		/*
   4097 		 * XXX NetBSD7 has bugs and it cannot be unpaused.
   4098 		 * However, it also has another bug and it clears buffer
   4099 		 * when encoding is changed.  I use it. :-P
   4100 		 */
   4101 		ai.play.encoding = AUDIO_ENCODING_SLINEAR_LE;
   4102 	}
   4103 	ai.play.pause = 0;
   4104 	r = IOCTL(data->fd, AUDIO_SETINFO, &ai, "pause=0");
   4105 	XP_SYS_EQ(0, r);
   4106 
   4107 	return NULL;
   4108 }
   4109 
   4110 /*
   4111  * ioctl(2) can be issued while write(2)-ing.
   4112  */
   4113 DEF(ioctl_while_write)
   4114 {
   4115 	struct audio_info ai;
   4116 	struct ioctl_while_write_data data0, *data;
   4117 	char buf[8000];	/* 1sec in mulaw,1ch,8000Hz */
   4118 	pthread_t tid;
   4119 	int r;
   4120 
   4121 	TEST("ioctl_while_write");
   4122 
   4123 	data = &data0;
   4124 	memset(data, 0, sizeof(*data));
   4125 	memset(buf, 0xff, sizeof(buf));
   4126 
   4127 	data->fd = OPEN(devaudio, O_WRONLY);
   4128 	REQUIRED_SYS_OK(data->fd);
   4129 
   4130 	/* Pause to block write(2)ing */
   4131 	AUDIO_INITINFO(&ai);
   4132 	ai.play.pause = 1;
   4133 	r = IOCTL(data->fd, AUDIO_SETINFO, &ai, "pause=1");
   4134 	XP_SYS_EQ(0, r);
   4135 
   4136 	gettimeofday(&data->start, NULL);
   4137 
   4138 	pthread_create(&tid, NULL, thread_ioctl_while_write, data);
   4139 
   4140 	/* Write until blocking */
   4141 	for (;;) {
   4142 		r = WRITE(data->fd, buf, sizeof(buf));
   4143 		if (data->terminated)
   4144 			break;
   4145 		XP_SYS_EQ(sizeof(buf), r);
   4146 
   4147 		/* Update written time */
   4148 		gettimeofday(&data->start, NULL);
   4149 	}
   4150 
   4151 	pthread_join(tid, NULL);
   4152 
   4153 	/* Flush */
   4154 	r = IOCTL(data->fd, AUDIO_FLUSH, NULL, "");
   4155 	XP_SYS_EQ(0, r);
   4156 	r = CLOSE(data->fd);
   4157 	XP_SYS_EQ(0, r);
   4158 }
   4159 
   4160 volatile int sigio_caught;
   4161 void
   4162 signal_FIOASYNC(int signo)
   4163 {
   4164 	if (signo == SIGIO) {
   4165 		sigio_caught = 1;
   4166 		DPRINTF("  > %d: pid %d got SIGIO\n", __LINE__, (int)getpid());
   4167 	}
   4168 }
   4169 
   4170 /*
   4171  * FIOASYNC between two descriptors should be split.
   4172  */
   4173 DEF(FIOASYNC_reset)
   4174 {
   4175 	int fd0, fd1;
   4176 	int r;
   4177 	int val;
   4178 
   4179 	TEST("FIOASYNC_reset");
   4180 	if (netbsd < 8) {
   4181 		XP_SKIP("Multiple open is not supported");
   4182 		return;
   4183 	}
   4184 
   4185 	/* The first one opens */
   4186 	fd0 = OPEN(devaudio, O_WRONLY);
   4187 	REQUIRED_SYS_OK(fd0);
   4188 
   4189 	/* The second one opens, enables ASYNC, and closes */
   4190 	fd1 = OPEN(devaudio, O_WRONLY);
   4191 	REQUIRED_SYS_OK(fd1);
   4192 	val = 1;
   4193 	r = IOCTL(fd1, FIOASYNC, &val, "on");
   4194 	XP_SYS_EQ(0, r);
   4195 	r = CLOSE(fd1);
   4196 	XP_SYS_EQ(0, r);
   4197 
   4198 	/* Again, the second one opens and enables ASYNC */
   4199 	fd1 = OPEN(devaudio, O_WRONLY);
   4200 	REQUIRED_SYS_OK(fd1);
   4201 	val = 1;
   4202 	r = IOCTL(fd1, FIOASYNC, &val, "on");
   4203 	XP_SYS_EQ(0, r);	/* NetBSD8 fails */
   4204 	r = CLOSE(fd1);
   4205 	XP_SYS_EQ(0, r);
   4206 	r = CLOSE(fd0);
   4207 	XP_SYS_EQ(0, r);
   4208 }
   4209 
   4210 /*
   4211  * Whether SIGIO is emitted on plyaback.
   4212  * XXX I don't understand conditions that NetBSD7 emits signal.
   4213  */
   4214 DEF(FIOASYNC_play_signal)
   4215 {
   4216 	struct audio_info ai;
   4217 	int r;
   4218 	int fd;
   4219 	int val;
   4220 	char *data;
   4221 	int i;
   4222 
   4223 	TEST("FIOASYNC_play_signal");
   4224 	if (hw_canplay() == 0) {
   4225 		XP_SKIP("This test is only for playable device");
   4226 		return;
   4227 	}
   4228 
   4229 	signal(SIGIO, signal_FIOASYNC);
   4230 	sigio_caught = 0;
   4231 
   4232 	fd = OPEN(devaudio, O_WRONLY);
   4233 	REQUIRED_SYS_OK(fd);
   4234 
   4235 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4236 	REQUIRED_SYS_EQ(0, r);
   4237 	REQUIRED_IF(ai.blocksize != 0);
   4238 	data = (char *)malloc(ai.blocksize);
   4239 	REQUIRED_IF(data != NULL);
   4240 	memset(data, 0xff, ai.blocksize);
   4241 
   4242 	val = 1;
   4243 	r = IOCTL(fd, FIOASYNC, &val, "on");
   4244 	XP_SYS_EQ(0, r);
   4245 
   4246 	r = WRITE(fd, data, ai.blocksize);
   4247 	XP_SYS_EQ(ai.blocksize, r);
   4248 
   4249 	/* Waits signal until 1sec */
   4250 	for (i = 0; i < 100 && sigio_caught == 0; i++) {
   4251 		usleep(10000);
   4252 	}
   4253 	signal(SIGIO, SIG_IGN);
   4254 	XP_EQ(1, sigio_caught);
   4255 
   4256 	r = CLOSE(fd);
   4257 	XP_SYS_EQ(0, r);
   4258 
   4259 	free(data);
   4260 	signal(SIGIO, SIG_IGN);
   4261 	sigio_caught = 0;
   4262 }
   4263 
   4264 /*
   4265  * Whether SIGIO is emitted on recording.
   4266  */
   4267 DEF(FIOASYNC_rec_signal)
   4268 {
   4269 	char buf[10];
   4270 	int r;
   4271 	int fd;
   4272 	int val;
   4273 	int i;
   4274 
   4275 	TEST("FIOASYNC_rec_signal");
   4276 	if (hw_canrec() == 0) {
   4277 		XP_SKIP("This test is only for recordable device");
   4278 		return;
   4279 	}
   4280 
   4281 	signal(SIGIO, signal_FIOASYNC);
   4282 	sigio_caught = 0;
   4283 
   4284 	fd = OPEN(devaudio, O_RDONLY);
   4285 	REQUIRED_SYS_OK(fd);
   4286 
   4287 	val = 1;
   4288 	r = IOCTL(fd, FIOASYNC, &val, "on");
   4289 	XP_SYS_EQ(0, r);
   4290 
   4291 	r = READ(fd, buf, sizeof(buf));
   4292 	XP_SYS_EQ(sizeof(buf), r);
   4293 
   4294 	/* Wait signal until 1sec */
   4295 	for (i = 0; i < 100 && sigio_caught == 0; i++) {
   4296 		usleep(10000);
   4297 	}
   4298 	signal(SIGIO, SIG_IGN);
   4299 	XP_EQ(1, sigio_caught);
   4300 
   4301 	r = CLOSE(fd);
   4302 	XP_SYS_EQ(0, r);
   4303 
   4304 	signal(SIGIO, SIG_IGN);
   4305 	sigio_caught = 0;
   4306 }
   4307 
   4308 /*
   4309  * FIOASYNC doesn't affect other descriptor.
   4310  * For simplify, test only for playback...
   4311  */
   4312 DEF(FIOASYNC_multi)
   4313 {
   4314 	struct audio_info ai;
   4315 	char *buf;
   4316 	char pipebuf[1];
   4317 	int r;
   4318 	int i;
   4319 	int fd1;
   4320 	int fd2;
   4321 	int pd[2];
   4322 	int val;
   4323 	pid_t pid;
   4324 	int status;
   4325 
   4326 	TEST("FIOASYNC_multi");
   4327 	if (netbsd < 8) {
   4328 		XP_SKIP("Multiple open is not supported");
   4329 		return;
   4330 	}
   4331 	if (hw_canplay() == 0) {
   4332 		XP_SKIP("This test is only for playable device");
   4333 		return;
   4334 	}
   4335 
   4336 	/* Pipe used between parent and child */
   4337 	r = pipe(pd);
   4338 	REQUIRED_SYS_EQ(0, r);
   4339 
   4340 	fd1 = OPEN(devaudio, O_WRONLY);
   4341 	REQUIRED_SYS_OK(fd1);
   4342 	fd2 = OPEN(devaudio, O_WRONLY);
   4343 	REQUIRED_SYS_OK(fd2);
   4344 
   4345 	/* Pause fd2 */
   4346 	AUDIO_INITINFO(&ai);
   4347 	ai.play.pause = 1;
   4348 	r = IOCTL(fd2, AUDIO_SETINFO, &ai, "pause");
   4349 	REQUIRED_SYS_EQ(0, r);
   4350 
   4351 	/* Fill both */
   4352 	r = IOCTL(fd1, AUDIO_GETBUFINFO, &ai, "");
   4353 	REQUIRED_SYS_EQ(0, r);
   4354 	REQUIRED_IF(ai.blocksize != 0);
   4355 	buf = (char *)malloc(ai.blocksize);
   4356 	REQUIRED_IF(buf != NULL);
   4357 	memset(buf, 0xff, ai.blocksize);
   4358 	r = WRITE(fd1, buf, ai.blocksize);
   4359 	XP_SYS_EQ(ai.blocksize, r);
   4360 
   4361 	sigio_caught = 0;
   4362 	val = 1;
   4363 
   4364 	fflush(stdout);
   4365 	fflush(stderr);
   4366 	pid = fork();
   4367 	if (pid == -1) {
   4368 		REQUIRED_SYS_OK(pid);
   4369 	}
   4370 	if (pid == 0) {
   4371 		/* Child */
   4372 		close(fd1);
   4373 
   4374 		/* Child enables ASYNC on fd2 */
   4375 		signal(SIGIO, signal_FIOASYNC);
   4376 		r = IOCTL(fd2, FIOASYNC, &val, "on");
   4377 		/* It cannot count errors because here is a child process */
   4378 		/* XP_SYS_EQ(0, r); */
   4379 
   4380 		/*
   4381 		 * Waits signal until 1sec.
   4382 		 * But fd2 is paused so it should never raise.
   4383 		 */
   4384 		for (i = 0; i < 100 && sigio_caught == 0; i++) {
   4385 			usleep(10000);
   4386 		}
   4387 		signal(SIGIO, SIG_IGN);
   4388 		pipebuf[0] = sigio_caught;
   4389 		/* This is not WRITE() macro here */
   4390 		write(pd[1], pipebuf, sizeof(pipebuf));
   4391 
   4392 		/* XXX? */
   4393 		close(fd2);
   4394 		sleep(1);
   4395 		exit(0);
   4396 	} else {
   4397 		/* Parent */
   4398 		DPRINTF("  > fork() = %d\n", (int)pid);
   4399 
   4400 		/* Parent enables ASYNC on fd1 */
   4401 		signal(SIGIO, signal_FIOASYNC);
   4402 		r = IOCTL(fd1, FIOASYNC, &val, "on");
   4403 		XP_SYS_EQ(0, r);
   4404 
   4405 		/* Waits signal until 1sec */
   4406 		for (i = 0; i < 100 && sigio_caught == 0; i++) {
   4407 			usleep(10000);
   4408 		}
   4409 		signal(SIGIO, SIG_IGN);
   4410 		XP_EQ(1, sigio_caught);
   4411 
   4412 		/* Then read child's result from pipe */
   4413 		r = read(pd[0], pipebuf, sizeof(pipebuf));
   4414 		if (r != 1) {
   4415 			XP_FAIL("reading from child failed");
   4416 		}
   4417 		DPRINTF("  > child's sigio_cauht = %d\n", pipebuf[0]);
   4418 		XP_EQ(0, pipebuf[0]);
   4419 
   4420 		waitpid(pid, &status, 0);
   4421 	}
   4422 
   4423 	r = CLOSE(fd1);
   4424 	XP_SYS_EQ(0, r);
   4425 	r = CLOSE(fd2);
   4426 	XP_SYS_EQ(0, r);
   4427 
   4428 	signal(SIGIO, SIG_IGN);
   4429 	sigio_caught = 0;
   4430 	free(buf);
   4431 }
   4432 
   4433 /*
   4434  * Check AUDIO_WSEEK behavior.
   4435  */
   4436 DEF(AUDIO_WSEEK)
   4437 {
   4438 	char buf[4];
   4439 	struct audio_info ai;
   4440 	int r;
   4441 	int fd;
   4442 	u_long n;
   4443 
   4444 	TEST("AUDIO_WSEEK");
   4445 
   4446 	fd = OPEN(devaudio, O_WRONLY);
   4447 	REQUIRED_SYS_OK(fd);
   4448 
   4449 	/* Pause to count sample data */
   4450 	AUDIO_INITINFO(&ai);
   4451 	ai.play.pause = 1;
   4452 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause=1");
   4453 	REQUIRED_SYS_EQ(0, r);
   4454 
   4455 	/* On the initial state, it should be 0 bytes */
   4456 	n = 0;
   4457 	r = IOCTL(fd, AUDIO_WSEEK, &n, "");
   4458 	XP_SYS_EQ(0, r);
   4459 	XP_EQ(0, n);
   4460 
   4461 	/* When writing 4 bytes, it should be 4 bytes */
   4462 	memset(buf, 0xff, sizeof(buf));
   4463 	r = WRITE(fd, buf, sizeof(buf));
   4464 	REQUIRED_EQ(sizeof(buf), r);
   4465 	r = IOCTL(fd, AUDIO_WSEEK, &n, "");
   4466 	XP_SYS_EQ(0, r);
   4467 	if (netbsd < 9) {
   4468 		/*
   4469 		 * On NetBSD7, it will return 0.
   4470 		 * Perhaps, WSEEK returns the number of pustream bytes but
   4471 		 * data has already advanced...
   4472 		 */
   4473 		XP_EQ(0, n);
   4474 	} else {
   4475 		/* Data less than one block remains here */
   4476 		XP_EQ(4, n);
   4477 	}
   4478 
   4479 	r = CLOSE(fd);
   4480 	XP_SYS_EQ(0, r);
   4481 }
   4482 
   4483 /*
   4484  * Check AUDIO_SETFD behavior for O_*ONLY descriptor.
   4485  * On NetBSD7, SETFD modify audio layer's state (and MD driver's state)
   4486  * regardless of open mode.  GETFD obtains audio layer's duplex.
   4487  * On NetBSD9, SETFD is obsoleted.  GETFD obtains hardware's duplex.
   4488  */
   4489 void
   4490 test_AUDIO_SETFD_xxONLY(int openmode)
   4491 {
   4492 	struct audio_info ai;
   4493 	int r;
   4494 	int fd;
   4495 	int n;
   4496 
   4497 	TEST("AUDIO_SETFD_%s", openmode_str[openmode] + 2);
   4498 	if (openmode == O_RDONLY && hw_canrec() == 0) {
   4499 		XP_SKIP("This test is for recordable device");
   4500 		return;
   4501 	}
   4502 	if (openmode == O_WRONLY && hw_canplay() == 0) {
   4503 		XP_SKIP("This test is for playable device");
   4504 		return;
   4505 	}
   4506 
   4507 	fd = OPEN(devaudio, openmode);
   4508 	REQUIRED_SYS_OK(fd);
   4509 
   4510 	/*
   4511 	 * Just after open(2),
   4512 	 * - On NetBSD7, it's always half-duplex.
   4513 	 * - On NetBSD9, it's the same as hardware one regardless of openmode.
   4514 	 */
   4515 	n = 0;
   4516 	r = IOCTL(fd, AUDIO_GETFD, &n, "");
   4517 	XP_SYS_EQ(0, r);
   4518 	if (netbsd < 9) {
   4519 		XP_EQ(0, n);
   4520 	} else {
   4521 		XP_EQ(hw_fulldup(), n);
   4522 	}
   4523 
   4524 	/*
   4525 	 * When trying to set to full-duplex,
   4526 	 * - On NetBSD7, it will succeed if the hardware is full-duplex, or
   4527 	 *   will fail if the hardware is half-duplex.
   4528 	 * - On NetBSD9, it will always succeed but will not be modified.
   4529 	 */
   4530 	n = 1;
   4531 	r = IOCTL(fd, AUDIO_SETFD, &n, "on");
   4532 	if (netbsd < 8) {
   4533 		if (hw_fulldup()) {
   4534 			XP_SYS_EQ(0, r);
   4535 		} else {
   4536 			XP_SYS_NG(ENOTTY, r);
   4537 		}
   4538 	} else if (netbsd == 8) {
   4539 		XP_FAIL("expected result is unknown");
   4540 	} else {
   4541 		XP_SYS_EQ(0, r);
   4542 	}
   4543 
   4544 	/*
   4545 	 * When obtain it,
   4546 	 * - On NetBSD7, it will be 1 if the hardware is full-duplex or
   4547 	 *   0 if half-duplex.
   4548 	 * - On NetBSD9, it will never be changed because it's the hardware
   4549 	 *   property.
   4550 	 */
   4551 	n = 0;
   4552 	r = IOCTL(fd, AUDIO_GETFD, &n, "");
   4553 	XP_SYS_EQ(0, r);
   4554 	if (netbsd < 8) {
   4555 		XP_EQ(hw_fulldup(), n);
   4556 	} else if (netbsd == 8) {
   4557 		XP_FAIL("expected result is unknown");
   4558 	} else {
   4559 		XP_EQ(hw_fulldup(), n);
   4560 	}
   4561 
   4562 	/* Some track parameters like ai.*.open should not change */
   4563 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4564 	XP_SYS_EQ(0, r);
   4565 	XP_EQ(mode2play(openmode), ai.play.open);
   4566 	XP_EQ(mode2rec(openmode), ai.record.open);
   4567 
   4568 	/*
   4569 	 * When trying to set to half-duplex,
   4570 	 * - On NetBSD7, it will succeed if the hardware is full-duplex, or
   4571 	 *   it will succeed with nothing happens.
   4572 	 * - On NetBSD9, it will always succeed but nothing happens.
   4573 	 */
   4574 	n = 0;
   4575 	r = IOCTL(fd, AUDIO_SETFD, &n, "off");
   4576 	XP_SYS_EQ(0, r);
   4577 
   4578 	/*
   4579 	 * When obtain it again,
   4580 	 * - On NetBSD7, it will be 0 if the hardware is full-duplex, or
   4581 	 *   still 0 if half-duplex.
   4582 	 * - On NetBSD9, it should not change.
   4583 	 */
   4584 	n = 0;
   4585 	r = IOCTL(fd, AUDIO_GETFD, &n, "");
   4586 	XP_SYS_EQ(0, r);
   4587 	if (netbsd < 9) {
   4588 		XP_EQ(0, n);
   4589 	} else {
   4590 		XP_EQ(hw_fulldup(), n);
   4591 	}
   4592 
   4593 	/* Some track parameters like ai.*.open should not change */
   4594 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4595 	XP_SYS_EQ(0, r);
   4596 	XP_EQ(mode2play(openmode), ai.play.open);
   4597 	XP_EQ(mode2rec(openmode), ai.record.open);
   4598 
   4599 	r = CLOSE(fd);
   4600 	XP_SYS_EQ(0, r);
   4601 }
   4602 DEF(AUDIO_SETFD_RDONLY)	{ test_AUDIO_SETFD_xxONLY(O_RDONLY); }
   4603 DEF(AUDIO_SETFD_WRONLY)	{ test_AUDIO_SETFD_xxONLY(O_WRONLY); }
   4604 
   4605 /*
   4606  * Check AUDIO_SETFD behavior for O_RDWR descriptor.
   4607  */
   4608 DEF(AUDIO_SETFD_RDWR)
   4609 {
   4610 	struct audio_info ai;
   4611 	int r;
   4612 	int fd;
   4613 	int n;
   4614 
   4615 	TEST("AUDIO_SETFD_RDWR");
   4616 	if (!hw_fulldup()) {
   4617 		XP_SKIP("This test is only for full-duplex device");
   4618 		return;
   4619 	}
   4620 
   4621 	fd = OPEN(devaudio, O_RDWR);
   4622 	REQUIRED_SYS_OK(fd);
   4623 
   4624 	/*
   4625 	 * - audio(4) manpage until NetBSD7 said "If a full-duplex capable
   4626 	 *   audio device is opened for both reading and writing it will
   4627 	 *   start in half-duplex play mode", but implementation doesn't
   4628 	 *   seem to follow it.  It returns full-duplex.
   4629 	 * - On NetBSD9, it should return full-duplex on full-duplex, or
   4630 	 *   half-duplex on half-duplex.
   4631 	 */
   4632 	n = 0;
   4633 	r = IOCTL(fd, AUDIO_GETFD, &n, "");
   4634 	XP_SYS_EQ(0, r);
   4635 	XP_EQ(hw_fulldup(), n);
   4636 
   4637 	/*
   4638 	 * When trying to set to full-duplex,
   4639 	 * - On NetBSD7, it will succeed with nothing happens if full-duplex,
   4640 	 *   or will fail if half-duplex.
   4641 	 * - On NetBSD9, it will always succeed with nothing happens.
   4642 	 */
   4643 	n = 1;
   4644 	r = IOCTL(fd, AUDIO_SETFD, &n, "on");
   4645 	if (netbsd < 9) {
   4646 		if (hw_fulldup()) {
   4647 			XP_SYS_EQ(0, r);
   4648 		} else {
   4649 			XP_SYS_NG(ENOTTY, r);
   4650 		}
   4651 	} else {
   4652 		XP_SYS_EQ(0, r);
   4653 	}
   4654 
   4655 	/* When obtains it, it retuns half/full-duplex as is */
   4656 	n = 0;
   4657 	r = IOCTL(fd, AUDIO_GETFD, &n, "");
   4658 	XP_SYS_EQ(0, r);
   4659 	XP_EQ(hw_fulldup(), n);
   4660 
   4661 	/* Some track parameters like ai.*.open should not change */
   4662 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4663 	XP_SYS_EQ(0, r);
   4664 	XP_EQ(1, ai.play.open);
   4665 	XP_EQ(mode2rec(O_RDWR), ai.record.open);
   4666 
   4667 	/*
   4668 	 * When trying to set to half-duplex,
   4669 	 * - On NetBSD7, it will succeed if the hardware is full-duplex, or
   4670 	 *   it will succeed with nothing happens.
   4671 	 * - On NetBSD9, it will always succeed but nothing happens.
   4672 	 */
   4673 	n = 0;
   4674 	r = IOCTL(fd, AUDIO_SETFD, &n, "off");
   4675 	if (netbsd < 8) {
   4676 		XP_SYS_EQ(0, r);
   4677 	} else if (netbsd == 8) {
   4678 		XP_FAIL("expected result is unknown");
   4679 	} else {
   4680 		XP_SYS_EQ(0, r);
   4681 	}
   4682 
   4683 	/*
   4684 	 * When obtain it again,
   4685 	 * - On NetBSD7, it will be 0 if the hardware is full-duplex, or
   4686 	 *   still 0 if half-duplex.
   4687 	 * - On NetBSD9, it should be 1 if the hardware is full-duplex, or
   4688 	 *   0 if half-duplex.
   4689 	 */
   4690 	n = 0;
   4691 	r = IOCTL(fd, AUDIO_GETFD, &n, "");
   4692 	XP_SYS_EQ(0, r);
   4693 	if (netbsd < 8) {
   4694 		XP_EQ(0, n);
   4695 	} else if (netbsd == 8) {
   4696 		XP_FAIL("expected result is unknown");
   4697 	} else {
   4698 		XP_EQ(hw_fulldup(), n);
   4699 	}
   4700 
   4701 	/* Some track parameters like ai.*.open should not change */
   4702 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4703 	XP_SYS_EQ(0, r);
   4704 	XP_EQ(1, ai.play.open);
   4705 	XP_EQ(mode2rec(O_RDWR), ai.record.open);
   4706 
   4707 	r = CLOSE(fd);
   4708 	XP_SYS_EQ(0, r);
   4709 }
   4710 
   4711 /*
   4712  * Check AUDIO_GETINFO.eof behavior.
   4713  */
   4714 DEF(AUDIO_GETINFO_eof)
   4715 {
   4716 	struct audio_info ai;
   4717 	char buf[4];
   4718 	int r;
   4719 	int fd, fd1;
   4720 
   4721 	TEST("AUDIO_GETINFO_eof");
   4722 	if (hw_canplay() == 0) {
   4723 		XP_SKIP("This test is for playable device");
   4724 		return;
   4725 	}
   4726 
   4727 	fd = OPEN(devaudio, O_RDWR);
   4728 	REQUIRED_SYS_OK(fd);
   4729 
   4730 	/* Pause to make no sound */
   4731 	AUDIO_INITINFO(&ai);
   4732 	ai.play.pause = 1;
   4733 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "pause");
   4734 	REQUIRED_SYS_EQ(0, r);
   4735 
   4736 	/* It should be 0 initially */
   4737 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4738 	XP_SYS_EQ(0, r);
   4739 	XP_EQ(0, ai.play.eof);
   4740 	XP_EQ(0, ai.record.eof);
   4741 
   4742 	/* Writing zero bytes should increment it */
   4743 	r = WRITE(fd, &r, 0);
   4744 	REQUIRED_SYS_OK(r);
   4745 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4746 	XP_SYS_EQ(0, r);
   4747 	XP_EQ(1, ai.play.eof);
   4748 	XP_EQ(0, ai.record.eof);
   4749 
   4750 	/* Writing one ore more bytes should noto increment it */
   4751 	memset(buf, 0xff, sizeof(buf));
   4752 	r = WRITE(fd, buf, sizeof(buf));
   4753 	REQUIRED_SYS_OK(r);
   4754 	memset(&ai, 0, sizeof(ai));
   4755 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4756 	XP_SYS_EQ(0, r);
   4757 	XP_EQ(1, ai.play.eof);
   4758 	XP_EQ(0, ai.record.eof);
   4759 
   4760 	/* Writing zero bytes again should increment it */
   4761 	r = WRITE(fd, buf, 0);
   4762 	REQUIRED_SYS_OK(r);
   4763 	memset(&ai, 0, sizeof(ai));
   4764 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4765 	XP_SYS_EQ(0, r);
   4766 	XP_EQ(2, ai.play.eof);
   4767 	XP_EQ(0, ai.record.eof);
   4768 
   4769 	/* Reading zero bytes should not increment it */
   4770 	if (hw_fulldup()) {
   4771 		r = READ(fd, buf, 0);
   4772 		REQUIRED_SYS_OK(r);
   4773 		memset(&ai, 0, sizeof(ai));
   4774 		r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4775 		XP_SYS_EQ(0, r);
   4776 		XP_EQ(2, ai.play.eof);
   4777 		XP_EQ(0, ai.record.eof);
   4778 	}
   4779 
   4780 	/* should not interfere with other descriptor */
   4781 	if (netbsd >= 8) {
   4782 		fd1 = OPEN(devaudio, O_RDWR);
   4783 		REQUIRED_SYS_OK(fd1);
   4784 		memset(&ai, 0, sizeof(ai));
   4785 		r = IOCTL(fd1, AUDIO_GETBUFINFO, &ai, "");
   4786 		XP_SYS_EQ(0, r);
   4787 		XP_EQ(0, ai.play.eof);
   4788 		XP_EQ(0, ai.record.eof);
   4789 		r = CLOSE(fd1);
   4790 		XP_SYS_EQ(0, r);
   4791 	}
   4792 
   4793 	r = CLOSE(fd);
   4794 	XP_SYS_EQ(0, r);
   4795 
   4796 	xxx_close_wait();
   4797 
   4798 	/* When reopen, it should reset the counter */
   4799 	fd = OPEN(devaudio, O_RDWR);
   4800 	REQUIRED_SYS_OK(fd);
   4801 
   4802 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   4803 	XP_SYS_EQ(0, r);
   4804 	XP_EQ(0, ai.play.eof);
   4805 	XP_EQ(0, ai.record.eof);
   4806 
   4807 	r = CLOSE(fd);
   4808 	XP_SYS_EQ(0, r);
   4809 }
   4810 
   4811 /*
   4812  * Check relationship between openmode and mode set by AUDIO_SETINFO.
   4813  */
   4814 void
   4815 test_AUDIO_SETINFO_mode(int openmode, int index, int setmode, int expected)
   4816 {
   4817 	struct audio_info ai;
   4818 	char buf[10];
   4819 	int inimode;
   4820 	int r;
   4821 	int fd;
   4822 	bool canwrite;
   4823 	bool canread;
   4824 
   4825 	/* index was passed only for displaying here */
   4826 	TEST("AUDIO_SETINFO_mode_%s_%d", openmode_str[openmode] + 2, index);
   4827 	if (mode2aumode(openmode) == 0) {
   4828 		XP_SKIP("Operation not allowed on this hardware property");
   4829 		return;
   4830 	}
   4831 
   4832 	inimode = mode2aumode(openmode);
   4833 
   4834 	fd = OPEN(devaudio, openmode);
   4835 	REQUIRED_SYS_OK(fd);
   4836 
   4837 	/* When just after opening */
   4838 	memset(&ai, 0, sizeof(ai));
   4839 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "");
   4840 	REQUIRED_SYS_EQ(0, r);
   4841 	XP_EQ(inimode, ai.mode);
   4842 	XP_EQ(mode2play(openmode), ai.play.open);
   4843 	XP_EQ(mode2rec(openmode),  ai.record.open);
   4844 	XP_NE(0, ai.play.buffer_size);
   4845 	XP_NE(0, ai.record.buffer_size);
   4846 
   4847 	/* Change mode (and pause here) */
   4848 	ai.mode = setmode;
   4849 	ai.play.pause = 1;
   4850 	ai.record.pause = 1;
   4851 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "mode");
   4852 	XP_SYS_EQ(0, r);
   4853 	if (r == 0) {
   4854 		r = IOCTL(fd, AUDIO_GETINFO, &ai, "");
   4855 		XP_SYS_EQ(0, r);
   4856 		XP_EQ(expected, ai.mode);
   4857 
   4858 		/* It seems to keep the initial openmode regardless of mode */
   4859 		XP_EQ(mode2play(openmode), ai.play.open);
   4860 		XP_EQ(mode2rec(openmode), ai.record.open);
   4861 		XP_NE(0, ai.play.buffer_size);
   4862 		XP_NE(0, ai.record.buffer_size);
   4863 	}
   4864 
   4865 	/*
   4866 	 * On NetBSD7, whether writable depends openmode when open.
   4867 	 * On NetBSD9, whether writable should depend inimode when open.
   4868 	 * Modifying after open should not affect this mode.
   4869 	 */
   4870 	if (netbsd < 9) {
   4871 		canwrite = (openmode != O_RDONLY);
   4872 	} else {
   4873 		canwrite = ((inimode & AUMODE_PLAY) != 0);
   4874 	}
   4875 	r = WRITE(fd, buf, 0);
   4876 	if (canwrite) {
   4877 		XP_SYS_EQ(0, r);
   4878 	} else {
   4879 		XP_SYS_NG(EBADF, r);
   4880 	}
   4881 
   4882 	/*
   4883 	 * On NetBSD7, whether readable depends openmode when open.
   4884 	 * On NetBSD9, whether readable should depend inimode when open.
   4885 	 * Modifying after open should not affect this mode.
   4886 	 */
   4887 	if (netbsd < 9) {
   4888 		canread = (openmode != O_WRONLY);
   4889 	} else {
   4890 		canread = ((inimode & AUMODE_RECORD) != 0);
   4891 	}
   4892 	r = READ(fd, buf, 0);
   4893 	if (canread) {
   4894 		XP_SYS_EQ(0, r);
   4895 	} else {
   4896 		XP_SYS_NG(EBADF, r);
   4897 	}
   4898 
   4899 	r = CLOSE(fd);
   4900 	XP_SYS_EQ(0, r);
   4901 }
   4902 /*
   4903  * XXX hmm... it's too complex
   4904  */
   4905 /* shortcut for table form */
   4906 #define P	AUMODE_PLAY
   4907 #define A	AUMODE_PLAY_ALL
   4908 #define R	AUMODE_RECORD
   4909 struct setinfo_mode_t {
   4910 	int setmode;	/* mode used in SETINFO */
   4911 	int expmode7;	/* expected mode on NetBSD7 */
   4912 	int expmode9;	/* expected mode on NetBSD9 */
   4913 };
   4914 /*
   4915  * The following tables show this operation on NetBSD7 is almost 'undefined'.
   4916  * In contrast, NetBSD9 never changes mode by AUDIO_SETINFO except
   4917  * AUMODE_PLAY_ALL.
   4918  *
   4919  * setmode == 0 and 8 are out of range and invalid input samples.
   4920  * But NetBSD7 seems to accept it as is.
   4921  */
   4922 struct setinfo_mode_t table_SETINFO_mode_O_RDONLY[] = {
   4923 	/* setmode	expmode7	expmode9 */
   4924 	{     0,	     0,		 R    },
   4925 	{     P,	     P,		 R    },
   4926 	{   A  ,	   A|P,		 R    },
   4927 	{   A|P,	   A|P,		 R    },
   4928 	{ R    ,	 R    ,		 R    },
   4929 	{ R|  P,	     P,		 R    },
   4930 	{ R|A  ,	   A|P,		 R    },
   4931 	{ R|A|P,	   A|P,		 R    },
   4932 	{     8,	     8,		 R    },
   4933 };
   4934 struct setinfo_mode_t table_SETINFO_mode_O_WRONLY[] = {
   4935 	/* setmode	expmode7	expmode9 */
   4936 	{     0,	     0,		     P },
   4937 	{     P,	     P,		     P },
   4938 	{   A  ,	   A|P,		   A|P },
   4939 	{   A|P,	   A|P,		   A|P },
   4940 	{ R    ,	 R    ,		     P },
   4941 	{ R|  P,	     P,		     P },
   4942 	{ R|A  ,	   A|P,		   A|P },
   4943 	{ R|A|P,	   A|P,		   A|P },
   4944 	{     8,	     8,		     P },
   4945 };
   4946 #define f(openmode, index)	do {					\
   4947 	struct setinfo_mode_t *table = table_SETINFO_mode_##openmode;	\
   4948 	int setmode = table[index].setmode;				\
   4949 	int expected = (netbsd < 9)					\
   4950 	    ? table[index].expmode7					\
   4951 	    : table[index].expmode9;					\
   4952 	test_AUDIO_SETINFO_mode(openmode, index, setmode, expected);	\
   4953 } while (0)
   4954 DEF(AUDIO_SETINFO_mode_RDONLY_0) { f(O_RDONLY, 0); }
   4955 DEF(AUDIO_SETINFO_mode_RDONLY_1) { f(O_RDONLY, 1); }
   4956 DEF(AUDIO_SETINFO_mode_RDONLY_2) { f(O_RDONLY, 2); }
   4957 DEF(AUDIO_SETINFO_mode_RDONLY_3) { f(O_RDONLY, 3); }
   4958 DEF(AUDIO_SETINFO_mode_RDONLY_4) { f(O_RDONLY, 4); }
   4959 DEF(AUDIO_SETINFO_mode_RDONLY_5) { f(O_RDONLY, 5); }
   4960 DEF(AUDIO_SETINFO_mode_RDONLY_6) { f(O_RDONLY, 6); }
   4961 DEF(AUDIO_SETINFO_mode_RDONLY_7) { f(O_RDONLY, 7); }
   4962 DEF(AUDIO_SETINFO_mode_RDONLY_8) { f(O_RDONLY, 8); }
   4963 DEF(AUDIO_SETINFO_mode_WRONLY_0) { f(O_WRONLY, 0); }
   4964 DEF(AUDIO_SETINFO_mode_WRONLY_1) { f(O_WRONLY, 1); }
   4965 DEF(AUDIO_SETINFO_mode_WRONLY_2) { f(O_WRONLY, 2); }
   4966 DEF(AUDIO_SETINFO_mode_WRONLY_3) { f(O_WRONLY, 3); }
   4967 DEF(AUDIO_SETINFO_mode_WRONLY_4) { f(O_WRONLY, 4); }
   4968 DEF(AUDIO_SETINFO_mode_WRONLY_5) { f(O_WRONLY, 5); }
   4969 DEF(AUDIO_SETINFO_mode_WRONLY_6) { f(O_WRONLY, 6); }
   4970 DEF(AUDIO_SETINFO_mode_WRONLY_7) { f(O_WRONLY, 7); }
   4971 DEF(AUDIO_SETINFO_mode_WRONLY_8) { f(O_WRONLY, 8); }
   4972 #undef f
   4973 /*
   4974  * The following tables also show that NetBSD7's behavior is almost
   4975  * 'undefined'.
   4976  */
   4977 struct setinfo_mode_t table_SETINFO_mode_O_RDWR_full[] = {
   4978 	/* setmode	expmode7	expmode9 */
   4979 	{     0,	    0,		R|  P },
   4980 	{     P,	    P,		R|  P },
   4981 	{   A  ,	  A|P,		R|A|P },
   4982 	{   A|P,	  A|P,		R|A|P },
   4983 	{ R    ,	R    ,		R|  P },
   4984 	{ R|  P,	R|  P,		R|  P },
   4985 	{ R|A  ,	R|A|P,		R|A|P },
   4986 	{ R|A|P,	R|A|P,		R|A|P },
   4987 	{     8,	    8,		R|  P },
   4988 };
   4989 struct setinfo_mode_t table_SETINFO_mode_O_RDWR_half[] = {
   4990 	/* setmode	expmode7	expmode9 */
   4991 	{     0,	    0,		    P },
   4992 	{     P,	    P,		    P },
   4993 	{   A  ,	  A|P,		  A|P },
   4994 	{   A|P,	  A|P,		  A|P },
   4995 	{ R    ,	R    ,		    P },
   4996 	{ R|  P,	    P,		    P },
   4997 	{ R|A  ,	  A|P,		  A|P },
   4998 	{ R|A|P,	  A|P,		  A|P },
   4999 	{     8,	    8,		    P },
   5000 };
   5001 #define f(index)	do {						\
   5002 	struct setinfo_mode_t *table = (hw_fulldup())			\
   5003 	    ? table_SETINFO_mode_O_RDWR_full				\
   5004 	    : table_SETINFO_mode_O_RDWR_half;				\
   5005 	int setmode = table[index].setmode;				\
   5006 	int expected = (netbsd < 9)					\
   5007 	    ? table[index].expmode7					\
   5008 	    : table[index].expmode9;					\
   5009 	test_AUDIO_SETINFO_mode(O_RDWR, index, setmode, expected);	\
   5010 } while (0)
   5011 DEF(AUDIO_SETINFO_mode_RDWR_0) { f(0); }
   5012 DEF(AUDIO_SETINFO_mode_RDWR_1) { f(1); }
   5013 DEF(AUDIO_SETINFO_mode_RDWR_2) { f(2); }
   5014 DEF(AUDIO_SETINFO_mode_RDWR_3) { f(3); }
   5015 DEF(AUDIO_SETINFO_mode_RDWR_4) { f(4); }
   5016 DEF(AUDIO_SETINFO_mode_RDWR_5) { f(5); }
   5017 DEF(AUDIO_SETINFO_mode_RDWR_6) { f(6); }
   5018 DEF(AUDIO_SETINFO_mode_RDWR_7) { f(7); }
   5019 DEF(AUDIO_SETINFO_mode_RDWR_8) { f(8); }
   5020 #undef f
   5021 #undef P
   5022 #undef A
   5023 #undef R
   5024 
   5025 /*
   5026  * Check whether encoding params can be set.
   5027  */
   5028 void
   5029 test_AUDIO_SETINFO_params_set(int openmode, int aimode, int pause)
   5030 {
   5031 	struct audio_info ai;
   5032 	int r;
   5033 	int fd;
   5034 
   5035 	/*
   5036 	 * aimode is bool value that indicates whether to change ai.mode.
   5037 	 * pause is bool value that indicates whether to change ai.*.pause.
   5038 	 */
   5039 
   5040 	TEST("AUDIO_SETINFO_params_%s_%d_%d",
   5041 	    openmode_str[openmode] + 2, aimode, pause);
   5042 	if (mode2aumode(openmode) == 0) {
   5043 		XP_SKIP("Operation not allowed on this hardware property");
   5044 		return;
   5045 	}
   5046 
   5047 	/* On half-duplex, O_RDWR is the same as O_WRONLY, so skip it */
   5048 	if (!hw_fulldup() && openmode == O_RDWR) {
   5049 		XP_SKIP("This is the same with O_WRONLY on half-duplex");
   5050 		return;
   5051 	}
   5052 
   5053 	fd = OPEN(devaudio, openmode);
   5054 	REQUIRED_SYS_OK(fd);
   5055 
   5056 	AUDIO_INITINFO(&ai);
   5057 	/*
   5058 	 * It takes time and effort to check all parameters independently,
   5059 	 * so that use sample_rate as a representative.
   5060 	 */
   5061 	ai.play.sample_rate = 11025;
   5062 	ai.record.sample_rate = 11025;
   5063 	if (aimode)
   5064 		ai.mode = mode2aumode(openmode) & ~AUMODE_PLAY_ALL;
   5065 	if (pause) {
   5066 		ai.play.pause = 1;
   5067 		ai.record.pause = 1;
   5068 	}
   5069 
   5070 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   5071 	XP_SYS_EQ(0, r);
   5072 
   5073 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   5074 	XP_SYS_EQ(0, r);
   5075 	int expmode = (aimode)
   5076 	    ? (mode2aumode(openmode) & ~AUMODE_PLAY_ALL)
   5077 	    : mode2aumode(openmode);
   5078 	XP_EQ(expmode, ai.mode);
   5079 	XP_EQ(11025, ai.play.sample_rate);
   5080 	XP_EQ(pause, ai.play.pause);
   5081 	XP_EQ(11025, ai.record.sample_rate);
   5082 	XP_EQ(pause, ai.record.pause);
   5083 
   5084 	r = CLOSE(fd);
   5085 	XP_SYS_EQ(0, r);
   5086 }
   5087 #define f(a,b,c) test_AUDIO_SETINFO_params_set(a, b, c)
   5088 DEF(AUDIO_SETINFO_params_set_RDONLY_0)	{ f(O_RDONLY, 0, 0); }
   5089 DEF(AUDIO_SETINFO_params_set_RDONLY_1)	{ f(O_RDONLY, 0, 1); }
   5090 /* On RDONLY, ai.mode is not changeable
   5091  *  AUDIO_SETINFO_params_set_RDONLY_2)	{ f(O_RDONLY, 1, 0); }
   5092  *  AUDIO_SETINFO_params_set_RDONLY_3)	{ f(O_RDONLY, 1, 1); }
   5093  */
   5094 DEF(AUDIO_SETINFO_params_set_WRONLY_0)	{ f(O_WRONLY, 0, 0); }
   5095 DEF(AUDIO_SETINFO_params_set_WRONLY_1)	{ f(O_WRONLY, 0, 1); }
   5096 DEF(AUDIO_SETINFO_params_set_WRONLY_2)	{ f(O_WRONLY, 1, 0); }
   5097 DEF(AUDIO_SETINFO_params_set_WRONLY_3)	{ f(O_WRONLY, 1, 1); }
   5098 DEF(AUDIO_SETINFO_params_set_RDWR_0)	{ f(O_RDWR, 0, 0); }
   5099 DEF(AUDIO_SETINFO_params_set_RDWR_1)	{ f(O_RDWR, 0, 1); }
   5100 DEF(AUDIO_SETINFO_params_set_RDWR_2)	{ f(O_RDWR, 1, 0); }
   5101 DEF(AUDIO_SETINFO_params_set_RDWR_3)	{ f(O_RDWR, 1, 1); }
   5102 #undef f
   5103 
   5104 /*
   5105  * AUDIO_SETINFO for existing track should not be interfered by other
   5106  * descriptor.
   5107  * AUDIO_SETINFO for non-existing track affects/is affected sticky parameters
   5108  * for backward compatibility.
   5109  */
   5110 DEF(AUDIO_SETINFO_params_simul)
   5111 {
   5112 	struct audio_info ai;
   5113 	int fd0;
   5114 	int fd1;
   5115 	int r;
   5116 
   5117 	TEST("AUDIO_SETINFO_params_simul");
   5118 	if (netbsd < 8) {
   5119 		XP_SKIP("Multiple open is not supported");
   5120 		return;
   5121 	}
   5122 	if (hw_canplay() == 0) {
   5123 		XP_SKIP("This test is for playable device");
   5124 		return;
   5125 	}
   5126 
   5127 	/* Open the 1st one as playback only */
   5128 	fd0 = OPEN(devaudio, O_WRONLY);
   5129 	REQUIRED_SYS_OK(fd0);
   5130 
   5131 	/* Open the 2nd one as both of playback and recording */
   5132 	fd1 = OPEN(devaudio, O_RDWR);
   5133 	REQUIRED_SYS_OK(fd1);
   5134 
   5135 	/* Change some parameters of both track on the 2nd one */
   5136 	AUDIO_INITINFO(&ai);
   5137 	ai.play.sample_rate = 11025;
   5138 	ai.record.sample_rate = 11025;
   5139 	r = IOCTL(fd1, AUDIO_SETINFO, &ai, "");
   5140 	XP_SYS_EQ(0, r);
   5141 
   5142 	/*
   5143 	 * The 1st one doesn't have recording track so that only recording
   5144 	 * parameter is affected by sticky parameter.
   5145 	 */
   5146 	memset(&ai, 0, sizeof(ai));
   5147 	r = IOCTL(fd0, AUDIO_GETBUFINFO, &ai, "");
   5148 	XP_SYS_EQ(0, r);
   5149 	XP_EQ(8000, ai.play.sample_rate);
   5150 	XP_EQ(11025, ai.record.sample_rate);
   5151 
   5152 	/* Next, change some parameters of both track on the 1st one */
   5153 	AUDIO_INITINFO(&ai);
   5154 	ai.play.sample_rate = 16000;
   5155 	ai.record.sample_rate = 16000;
   5156 	r = IOCTL(fd0, AUDIO_SETINFO, &ai, "");
   5157 	XP_SYS_EQ(0, r);
   5158 
   5159 	/*
   5160 	 * On full-duplex device, the 2nd one has both track so that
   5161 	 * both track are not affected by sticky parameter.
   5162 	 * Otherwise, the 2nd one has only playback track so that
   5163 	 * playback track is not affected by sticky parameter.
   5164 	 */
   5165 	memset(&ai, 0, sizeof(ai));
   5166 	r = IOCTL(fd1, AUDIO_GETBUFINFO, &ai, "");
   5167 	XP_SYS_EQ(0, r);
   5168 	XP_EQ(11025, ai.play.sample_rate);
   5169 	if (hw_fulldup()) {
   5170 		XP_EQ(11025, ai.record.sample_rate);
   5171 	} else {
   5172 		XP_EQ(16000, ai.record.sample_rate);
   5173 	}
   5174 
   5175 	r = CLOSE(fd0);
   5176 	XP_SYS_EQ(0, r);
   5177 	r = CLOSE(fd1);
   5178 	XP_SYS_EQ(0, r);
   5179 }
   5180 
   5181 /*
   5182  * AUDIO_SETINFO(encoding/precision) is tested in AUDIO_GETENC_range below.
   5183  */
   5184 
   5185 /*
   5186  * Check whether the number of channels can be set.
   5187  */
   5188 DEF(AUDIO_SETINFO_channels)
   5189 {
   5190 	struct audio_info hwinfo;
   5191 	struct audio_info ai;
   5192 	int mode;
   5193 	int r;
   5194 	int fd;
   5195 	int i;
   5196 	unsigned int ch;
   5197 	struct {
   5198 		int ch;
   5199 		bool expected;
   5200 	} table[] = {
   5201 		{  0,	false },
   5202 		{  1,	true },	/* monaural */
   5203 		{  2,	true },	/* stereo */
   5204 	};
   5205 
   5206 	TEST("AUDIO_SETINFO_channels");
   5207 	if (netbsd < 8) {
   5208 		/*
   5209 		 * On NetBSD7, the result depends the hardware and there is
   5210 		 * no way to know it.
   5211 		 */
   5212 		XP_SKIP("The test doesn't make sense on NetBSD7");
   5213 		return;
   5214 	}
   5215 
   5216 	mode = openable_mode();
   5217 	fd = OPEN(devaudio, mode);
   5218 	REQUIRED_SYS_OK(fd);
   5219 
   5220 	/*
   5221 	 * The audio layer always supports monaural and stereo regardless of
   5222 	 * the hardware capability.
   5223 	 */
   5224 	for (i = 0; i < (int)__arraycount(table); i++) {
   5225 		ch = table[i].ch;
   5226 		bool expected = table[i].expected;
   5227 
   5228 		AUDIO_INITINFO(&ai);
   5229 		if (mode != O_RDONLY)
   5230 			ai.play.channels = ch;
   5231 		if (mode != O_WRONLY)
   5232 			ai.record.channels = ch;
   5233 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
   5234 		if (expected) {
   5235 			/* Expects to succeed */
   5236 			XP_SYS_EQ(0, r);
   5237 
   5238 			r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   5239 			XP_SYS_EQ(0, r);
   5240 			if (mode != O_RDONLY)
   5241 				XP_EQ(ch, ai.play.channels);
   5242 			if (mode != O_WRONLY)
   5243 				XP_EQ(ch, ai.record.channels);
   5244 		} else {
   5245 			/* Expects to fail */
   5246 			XP_SYS_NG(EINVAL, r);
   5247 		}
   5248 	}
   5249 
   5250 	/*
   5251 	 * The maximum number of supported channels depends the hardware.
   5252 	 */
   5253 	/* Get the number of channels that the hardware supports */
   5254 	r = IOCTL(fd, AUDIO_GETFORMAT, &hwinfo, "");
   5255 	REQUIRED_SYS_EQ(0, r);
   5256 
   5257 	if ((hwinfo.mode & AUMODE_PLAY)) {
   5258 		DPRINTF("  > hwinfo.play.channels = %d\n",
   5259 		    hwinfo.play.channels);
   5260 		for (ch = 3; ch <= hwinfo.play.channels; ch++) {
   5261 			AUDIO_INITINFO(&ai);
   5262 			ai.play.channels = ch;
   5263 			r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
   5264 			XP_SYS_EQ(0, r);
   5265 
   5266 			r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   5267 			XP_SYS_EQ(0, r);
   5268 			XP_EQ(ch, ai.play.channels);
   5269 		}
   5270 
   5271 		AUDIO_INITINFO(&ai);
   5272 		ai.play.channels = ch;
   5273 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
   5274 		XP_SYS_NG(EINVAL, r);
   5275 	}
   5276 	if ((hwinfo.mode & AUMODE_RECORD)) {
   5277 		DPRINTF("  > hwinfo.record.channels = %d\n",
   5278 		    hwinfo.record.channels);
   5279 		for (ch = 3; ch <= hwinfo.record.channels; ch++) {
   5280 			AUDIO_INITINFO(&ai);
   5281 			ai.record.channels = ch;
   5282 			r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
   5283 			XP_SYS_EQ(0, r);
   5284 
   5285 			r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   5286 			XP_SYS_EQ(0, r);
   5287 			XP_EQ(ch, ai.record.channels);
   5288 		}
   5289 
   5290 		AUDIO_INITINFO(&ai);
   5291 		ai.record.channels = ch;
   5292 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "channels=%d", ch);
   5293 		XP_SYS_NG(EINVAL, r);
   5294 	}
   5295 
   5296 	r = CLOSE(fd);
   5297 	XP_SYS_EQ(0, r);
   5298 }
   5299 
   5300 /*
   5301  * Check whether the sample rate can be set.
   5302  */
   5303 DEF(AUDIO_SETINFO_sample_rate)
   5304 {
   5305 	struct audio_info ai;
   5306 	int mode;
   5307 	int r;
   5308 	int fd;
   5309 	int i;
   5310 	struct {
   5311 		int freq;
   5312 		bool expected;
   5313 	} table[] = {
   5314 		{    999,	false },
   5315 		{   1000,	true },	/* lower limit */
   5316 		{  48000,	true },
   5317 		{ 192000,	true },	/* upper limit */
   5318 		{ 192001,	false },
   5319 	};
   5320 
   5321 	TEST("AUDIO_SETINFO_sample_rate");
   5322 	if (netbsd < 8) {
   5323 		/*
   5324 		 * On NetBSD7, the result depends the hardware and there is
   5325 		 * no way to know it.
   5326 		 */
   5327 		XP_SKIP("The test doesn't make sense on NetBSD7");
   5328 		return;
   5329 	}
   5330 
   5331 	mode = openable_mode();
   5332 	fd = OPEN(devaudio, mode);
   5333 	REQUIRED_SYS_OK(fd);
   5334 
   5335 	for (i = 0; i < (int)__arraycount(table); i++) {
   5336 		int freq = table[i].freq;
   5337 		bool expected = table[i].expected;
   5338 
   5339 		AUDIO_INITINFO(&ai);
   5340 		if (mode != O_RDONLY)
   5341 			ai.play.sample_rate = freq;
   5342 		if (mode != O_WRONLY)
   5343 			ai.record.sample_rate = freq;
   5344 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "sample_rate=%d", freq);
   5345 		if (expected) {
   5346 			/* Expects to succeed */
   5347 			XP_SYS_EQ(0, r);
   5348 
   5349 			r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   5350 			XP_SYS_EQ(0, r);
   5351 			if (mode != O_RDONLY)
   5352 				XP_EQ(freq, ai.play.sample_rate);
   5353 			if (mode != O_WRONLY)
   5354 				XP_EQ(freq, ai.record.sample_rate);
   5355 		} else {
   5356 			/* Expects to fail */
   5357 			XP_SYS_NG(EINVAL, r);
   5358 		}
   5359 	}
   5360 
   5361 	r = CLOSE(fd);
   5362 	XP_SYS_EQ(0, r);
   5363 }
   5364 
   5365 /*
   5366  * SETINFO(sample_rate = 0) should fail correctly.
   5367  */
   5368 DEF(AUDIO_SETINFO_sample_rate_0)
   5369 {
   5370 	struct audio_info ai;
   5371 	int mode;
   5372 	int r;
   5373 	int fd;
   5374 
   5375 	TEST("AUDIO_SETINFO_sample_rate_0");
   5376 	if (netbsd < 9) {
   5377 		/*
   5378 		 * On NetBSD7,8 this will block system call and you will not
   5379 		 * even be able to shutdown...
   5380 		 */
   5381 		XP_SKIP("This will cause an infinite loop in the kernel");
   5382 		return;
   5383 	}
   5384 
   5385 	mode = openable_mode();
   5386 	fd = OPEN(devaudio, mode);
   5387 	REQUIRED_SYS_OK(fd);
   5388 
   5389 	AUDIO_INITINFO(&ai);
   5390 	ai.play.sample_rate = 0;
   5391 	ai.record.sample_rate = 0;
   5392 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "sample_rate=0");
   5393 	/* Expects to fail */
   5394 	XP_SYS_NG(EINVAL, r);
   5395 
   5396 	r = CLOSE(fd);
   5397 	XP_SYS_EQ(0, r);
   5398 }
   5399 
   5400 /*
   5401  * Check whether the pause/unpause works.
   5402  */
   5403 void
   5404 test_AUDIO_SETINFO_pause(int openmode, int aimode, int param)
   5405 {
   5406 	struct audio_info ai;
   5407 	int r;
   5408 	int fd;
   5409 
   5410 	/*
   5411 	 * aimode is bool value that indicates whether to change ai.mode.
   5412 	 * param is bool value that indicates whether to change encoding
   5413 	 * parameters of ai.{play,record}.*.
   5414 	 */
   5415 
   5416 	TEST("AUDIO_SETINFO_pause_%s_%d_%d",
   5417 	    openmode_str[openmode] + 2, aimode, param);
   5418 	if (mode2aumode(openmode) == 0) {
   5419 		XP_SKIP("Operation not allowed on this hardware property");
   5420 		return;
   5421 	}
   5422 
   5423 	/* On half-duplex, O_RDWR is the same as O_WRONLY, so skip it */
   5424 	if (!hw_fulldup() && openmode == O_RDWR) {
   5425 		XP_SKIP("This is the same with O_WRONLY on half-duplex");
   5426 		return;
   5427 	}
   5428 
   5429 	fd = OPEN(devaudio, openmode);
   5430 	REQUIRED_SYS_OK(fd);
   5431 
   5432 	/* Set pause */
   5433 	AUDIO_INITINFO(&ai);
   5434 	ai.play.pause = 1;
   5435 	ai.record.pause = 1;
   5436 	if (aimode)
   5437 		ai.mode = mode2aumode(openmode) & ~AUMODE_PLAY_ALL;
   5438 	if (param) {
   5439 		ai.play.sample_rate = 11025;
   5440 		ai.record.sample_rate = 11025;
   5441 	}
   5442 
   5443 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   5444 	XP_SYS_EQ(0, r);
   5445 
   5446 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   5447 	XP_SYS_EQ(0, r);
   5448 	int expmode = (aimode)
   5449 	    ? (mode2aumode(openmode) & ~AUMODE_PLAY_ALL)
   5450 	    : mode2aumode(openmode);
   5451 	XP_EQ(expmode, ai.mode);
   5452 	XP_EQ(1, ai.play.pause);
   5453 	XP_EQ(param ? 11025 : 8000, ai.play.sample_rate);
   5454 	XP_EQ(1, ai.record.pause);
   5455 	XP_EQ(param ? 11025 : 8000, ai.record.sample_rate);
   5456 
   5457 	/* Set unpause (?) */
   5458 	AUDIO_INITINFO(&ai);
   5459 	ai.play.pause = 0;
   5460 	ai.record.pause = 0;
   5461 	if (aimode)
   5462 		ai.mode = mode2aumode(openmode);
   5463 	if (param) {
   5464 		ai.play.sample_rate = 16000;
   5465 		ai.record.sample_rate = 16000;
   5466 	}
   5467 
   5468 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   5469 	XP_SYS_EQ(0, r);
   5470 
   5471 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   5472 	XP_SYS_EQ(0, r);
   5473 	XP_EQ(mode2aumode(openmode), ai.mode);
   5474 	XP_EQ(0, ai.play.pause);
   5475 	XP_EQ(0, ai.record.pause);
   5476 	if (openmode != O_RDONLY)
   5477 		XP_EQ(param ? 16000 : 8000, ai.play.sample_rate);
   5478 	if (openmode != O_WRONLY)
   5479 		XP_EQ(param ? 16000 : 8000, ai.record.sample_rate);
   5480 
   5481 	r = CLOSE(fd);
   5482 	XP_SYS_EQ(0, r);
   5483 }
   5484 DEF(AUDIO_SETINFO_pause_RDONLY_0) { test_AUDIO_SETINFO_pause(O_RDONLY, 0, 0); }
   5485 DEF(AUDIO_SETINFO_pause_RDONLY_1) { test_AUDIO_SETINFO_pause(O_RDONLY, 0, 1); }
   5486 /* On RDONLY, ai.mode is not changeable
   5487  *  AUDIO_SETINFO_pause_RDONLY_2) { test_AUDIO_SETINFO_pause(O_RDONLY, 1, 0); }
   5488  *  AUDIO_SETINFO_pause_RDONLY_3) { test_AUDIO_SETINFO_pause(O_RDONLY, 1, 1); }
   5489  */
   5490 DEF(AUDIO_SETINFO_pause_WRONLY_0) { test_AUDIO_SETINFO_pause(O_WRONLY, 0, 0); }
   5491 DEF(AUDIO_SETINFO_pause_WRONLY_1) { test_AUDIO_SETINFO_pause(O_WRONLY, 0, 1); }
   5492 DEF(AUDIO_SETINFO_pause_WRONLY_2) { test_AUDIO_SETINFO_pause(O_WRONLY, 1, 0); }
   5493 DEF(AUDIO_SETINFO_pause_WRONLY_3) { test_AUDIO_SETINFO_pause(O_WRONLY, 1, 1); }
   5494 DEF(AUDIO_SETINFO_pause_RDWR_0)   { test_AUDIO_SETINFO_pause(O_RDWR, 0, 0); }
   5495 DEF(AUDIO_SETINFO_pause_RDWR_1)   { test_AUDIO_SETINFO_pause(O_RDWR, 0, 1); }
   5496 DEF(AUDIO_SETINFO_pause_RDWR_2)   { test_AUDIO_SETINFO_pause(O_RDWR, 1, 0); }
   5497 DEF(AUDIO_SETINFO_pause_RDWR_3)   { test_AUDIO_SETINFO_pause(O_RDWR, 1, 1); }
   5498 
   5499 /*
   5500  * Check whether gain can be obtained/set.
   5501  * And the gain should work with rich mixer.
   5502  * PR kern/52781
   5503  */
   5504 DEF(AUDIO_SETINFO_gain)
   5505 {
   5506 	struct audio_info ai;
   5507 	mixer_ctrl_t m;
   5508 	int index;
   5509 	int master;
   5510 	int master_backup;
   5511 	int gain;
   5512 	int fd;
   5513 	int mixerfd;
   5514 	int r;
   5515 
   5516 	TEST("AUDIO_SETINFO_gain");
   5517 
   5518 	/* Open /dev/mixer */
   5519 	mixerfd = OPEN(devmixer, O_RDWR);
   5520 	REQUIRED_SYS_OK(mixerfd);
   5521 	index = mixer_get_outputs_master(mixerfd);
   5522 	if (index == -1) {
   5523 		XP_SKIP("Hardware has no outputs.master");
   5524 		CLOSE(mixerfd);
   5525 		return;
   5526 	}
   5527 
   5528 	/*
   5529 	 * Get current outputs.master.
   5530 	 * auich(4) requires class type (m.type) and number of channels
   5531 	 * (un.value.num_channels) in addition to the index (m.dev)...
   5532 	 * What is the index...?
   5533 	 */
   5534 	memset(&m, 0, sizeof(m));
   5535 	m.dev = index;
   5536 	m.type = AUDIO_MIXER_VALUE;
   5537 	m.un.value.num_channels = 1; /* dummy */
   5538 	r = IOCTL(mixerfd, AUDIO_MIXER_READ, &m, "m.dev=%d", m.dev);
   5539 	REQUIRED_SYS_EQ(0, r);
   5540 	master = m.un.value.level[0];
   5541 	DPRINTF("  > outputs.master = %d\n", master);
   5542 	master_backup = master;
   5543 
   5544 	/* Open /dev/audio */
   5545 	fd = OPEN(devaudio, O_WRONLY);
   5546 	REQUIRED_SYS_OK(fd);
   5547 
   5548 	/* Check ai.play.gain */
   5549 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "");
   5550 	XP_SYS_EQ(0, r);
   5551 	XP_EQ(master, ai.play.gain);
   5552 
   5553 	/* Change it some different value */
   5554 	AUDIO_INITINFO(&ai);
   5555 	if (master == 0)
   5556 		gain = 255;
   5557 	else
   5558 		gain = 0;
   5559 	ai.play.gain = gain;
   5560 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "play.gain=%d", ai.play.gain);
   5561 	XP_SYS_EQ(0, r);
   5562 
   5563 	/* Check gain has changed */
   5564 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "play.gain");
   5565 	XP_SYS_EQ(0, r);
   5566 	XP_NE(master, ai.play.gain);
   5567 
   5568 	/* Check whether outputs.master work with gain */
   5569 	r = IOCTL(mixerfd, AUDIO_MIXER_READ, &m, "");
   5570 	XP_SYS_EQ(0, r);
   5571 	XP_EQ(ai.play.gain, m.un.value.level[0]);
   5572 
   5573 	/* Restore outputs.master */
   5574 	AUDIO_INITINFO(&ai);
   5575 	ai.play.gain = master_backup;
   5576 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "play.gain=%d", ai.play.gain);
   5577 	XP_SYS_EQ(0, r);
   5578 
   5579 	r = CLOSE(fd);
   5580 	XP_SYS_EQ(0, r);
   5581 	r = CLOSE(mixerfd);
   5582 	XP_SYS_EQ(0, r);
   5583 }
   5584 
   5585 /*
   5586  * Look if there are any (non-zero) gain values that can be changed.
   5587  * If any gain can be set, it is set to gain[0].
   5588  * If another gain can be set, it is set to gain[1], otherwise gain[1] = -1.
   5589  * This is for AUDIO_SETINFO_gain_balance.
   5590  */
   5591 static void
   5592 get_changeable_gain(int fd, int *gain, const char *dir, int offset)
   5593 {
   5594 	struct audio_info ai;
   5595 	int *ai_gain;
   5596 	int hi;
   5597 	int lo;
   5598 	int r;
   5599 
   5600 	/* A hack to handle ai.{play,record}.gain in the same code.. */
   5601 	ai_gain = (int *)(((char *)&ai) + offset);
   5602 
   5603 	/* Try to set the maximum gain */
   5604 	AUDIO_INITINFO(&ai);
   5605 	*ai_gain = AUDIO_MAX_GAIN;
   5606 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "%s.gain=%d", dir, *ai_gain);
   5607 	XP_SYS_EQ(0, r);
   5608 	/* Get again.  The value you set is not always used as is. */
   5609 	AUDIO_INITINFO(&ai);
   5610 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "&ai");
   5611 	XP_SYS_EQ(0, r);
   5612 	hi = *ai_gain;
   5613 
   5614 	/* Look for next configurable value. */
   5615 	for (lo = hi - 1; lo >= 0; lo--) {
   5616 		AUDIO_INITINFO(&ai);
   5617 		*ai_gain = lo;
   5618 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "%s.gain=%d", dir, *ai_gain);
   5619 		XP_SYS_EQ(0, r);
   5620 		/* Get again */
   5621 		r = IOCTL(fd, AUDIO_GETINFO, &ai, "&ai");
   5622 		XP_SYS_EQ(0, r);
   5623 		if (*ai_gain != hi) {
   5624 			lo = *ai_gain;
   5625 			break;
   5626 		}
   5627 	}
   5628 
   5629 	/* Now gain is lo(=gain[0]). */
   5630 
   5631 	/*
   5632 	 * hi  lo
   5633 	 * --- ---
   5634 	 *  <0  <0          : not available.
   5635 	 * >=0  <0          : available but not changeable.
   5636 	 * >=0 >=0 (hi!=lo) : available and changeable.
   5637 	 */
   5638 	if (hi < 0) {
   5639 		gain[0] = -1;
   5640 		gain[1] = -1;
   5641 		DPRINTF("  > %s.gain cannot be set\n", dir);
   5642 	} else if (lo < 0) {
   5643 		gain[0] = hi;
   5644 		gain[1] = -1;
   5645 		DPRINTF("  > %s.gain can only be set %d\n", dir, gain[0]);
   5646 	} else {
   5647 		gain[0] = lo;
   5648 		gain[1] = hi;
   5649 		DPRINTF("  > %s.gain can be set %d, %d\n",
   5650 		    dir, gain[0], gain[1]);
   5651 	}
   5652 }
   5653 
   5654 /*
   5655  * Look if there are any balance values that can be changed.
   5656  * If any balance value can be set, it is set to balance[0].
   5657  * If another balance value can be set, it is set to balance[1],
   5658  * otherwise balance[1] = -1.
   5659  * This is for AUDIO_SETINFO_gain_balance.
   5660  */
   5661 static void
   5662 get_changeable_balance(int fd, int *balance, const char *dir, int offset)
   5663 {
   5664 	struct audio_info ai;
   5665 	u_char *ai_balance;
   5666 	u_char left;
   5667 	u_char right;
   5668 	int r;
   5669 
   5670 	/* A hack to handle ai.{play,record}.balance in the same code.. */
   5671 	ai_balance = ((u_char *)&ai) + offset;
   5672 
   5673 	/* Look for the right side configurable value. */
   5674 	AUDIO_INITINFO(&ai);
   5675 	*ai_balance = AUDIO_RIGHT_BALANCE;
   5676 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "%s.balance=%d", dir, *ai_balance);
   5677 	XP_SYS_EQ(0, r);
   5678 	/* Get again.  The value you set is not always used as is. */
   5679 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "&ai");
   5680 	XP_SYS_EQ(0, r);
   5681 	right = *ai_balance;
   5682 
   5683 	/* Look for the left side configurable value. */
   5684 	AUDIO_INITINFO(&ai);
   5685 	*ai_balance = AUDIO_LEFT_BALANCE;
   5686 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "%s.balance=%d", dir, *ai_balance);
   5687 	XP_SYS_EQ(0, r);
   5688 	/* Get again */
   5689 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "&ai");
   5690 	XP_SYS_EQ(0, r);
   5691 	left = *ai_balance;
   5692 
   5693 	/* Now balance is the left(=balance[0]). */
   5694 
   5695 	if (left == right) {
   5696 		/* The driver has no balance feature. */
   5697 		balance[0] = left;
   5698 		balance[1] = -1;
   5699 		DPRINTF("  > %s.balance can only be set %d\n",
   5700 		    dir, balance[0]);
   5701 	} else {
   5702 		balance[0] = left;
   5703 		balance[1] = right;
   5704 		DPRINTF("  > %s.balance can be set %d, %d\n",
   5705 		    dir, balance[0], balance[1]);
   5706 	}
   5707 }
   5708 
   5709 /*
   5710  * Check whether gain and balance can be set at the same time.
   5711  * PR kern/56308
   5712  */
   5713 DEF(AUDIO_SETINFO_gain_balance)
   5714 {
   5715 	struct audio_info oai;
   5716 	struct audio_info ai;
   5717 	int i;
   5718 	int mode;
   5719 	int fd;
   5720 	int r;
   5721 	int pgain[2];
   5722 	int pbalance[2];
   5723 	int rgain[2];
   5724 	int rbalance[2];
   5725 	bool ptest;
   5726 	bool rtest;
   5727 
   5728 	TEST("AUDIO_SETINFO_gain_balance");
   5729 
   5730 	mode = openable_mode();
   5731 	fd = OPEN(devaudio, mode);
   5732 	REQUIRED_SYS_OK(fd);
   5733 
   5734 	/* Backup current gain and balance */
   5735 	r = IOCTL(fd, AUDIO_GETINFO, &oai, "&oai");
   5736 	XP_SYS_EQ(0, r);
   5737 
   5738 	if (debug) {
   5739 		printf("  > old play.gain      = %d\n", oai.play.gain);
   5740 		printf("  > old play.balance   = %d\n", oai.play.balance);
   5741 		printf("  > old record.gain    = %d\n", oai.record.gain);
   5742 		printf("  > old record.balance = %d\n", oai.record.balance);
   5743 	}
   5744 
   5745 	for (i = 0; i < 2; i++) {
   5746 		pgain[i]    = -1;
   5747 		pbalance[i] = -1;
   5748 		rgain[i]    = -1;
   5749 		rbalance[i] = -1;
   5750 	}
   5751 
   5752 	/*
   5753 	 * First, check each one separately can be changed.
   5754 	 *
   5755 	 * The simplest two different gain values are zero and non-zero.
   5756 	 * But some device drivers seem to process balance differently
   5757 	 * when the gain is high enough and when the gain is zero or near.
   5758 	 * So I needed to select two different "non-zero (and high if
   5759 	 * possible)" gains.
   5760 	 */
   5761 	if (hw_canplay()) {
   5762 		get_changeable_gain(fd, pgain, "play",
   5763 		    offsetof(struct audio_info, play.gain));
   5764 		get_changeable_balance(fd, pbalance, "play",
   5765 		    offsetof(struct audio_info, play.balance));
   5766 	}
   5767 	if (hw_canrec()) {
   5768 		get_changeable_gain(fd, rgain, "record",
   5769 		    offsetof(struct audio_info, record.gain));
   5770 		get_changeable_balance(fd, rbalance, "record",
   5771 		    offsetof(struct audio_info, record.balance));
   5772 	}
   5773 
   5774 	/*
   5775 	 * [0] [1]
   5776 	 * --- ---
   5777 	 *  -1  *  : not available.
   5778 	 * >=0  -1 : available but not changeable.
   5779 	 * >=0 >=0 : available and changeable.  It can be tested.
   5780 	 */
   5781 	ptest = (pgain[0]    >= 0 && pgain[1]    >= 0 &&
   5782 	         pbalance[0] >= 0 && pbalance[1] >= 0);
   5783 	rtest = (rgain[0]    >= 0 && rgain[1]    >= 0 &&
   5784 	         rbalance[0] >= 0 && rbalance[1] >= 0);
   5785 
   5786 	if (ptest == false && rtest == false) {
   5787 		XP_SKIP(
   5788 		    "The test requires changeable gain and changeable balance");
   5789 
   5790 		/* Restore as possible */
   5791 		AUDIO_INITINFO(&ai);
   5792 		ai.play.gain      = oai.play.gain;
   5793 		ai.play.balance   = oai.play.balance;
   5794 		ai.record.gain    = oai.record.gain;
   5795 		ai.record.balance = oai.record.balance;
   5796 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "restore all");
   5797 		XP_SYS_EQ(0, r);
   5798 
   5799 		r = CLOSE(fd);
   5800 		XP_SYS_EQ(0, r);
   5801 		return;
   5802 	}
   5803 
   5804 	/*
   5805 	 * If both play.gain and play.balance are changeable,
   5806 	 * it should be able to set both at the same time.
   5807 	 */
   5808 	if (ptest) {
   5809 		AUDIO_INITINFO(&ai);
   5810 		ai.play.gain    = pgain[1];
   5811 		ai.play.balance = pbalance[1];
   5812 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "play.gain=%d/balance=%d",
   5813 		    ai.play.gain, ai.play.balance);
   5814 		XP_SYS_EQ(0, r);
   5815 
   5816 		AUDIO_INITINFO(&ai);
   5817 		r = IOCTL(fd, AUDIO_GETINFO, &ai, "&ai");
   5818 		XP_SYS_EQ(0, r);
   5819 
   5820 		DPRINTF("  > setting play.gain=%d/balance=%d: "
   5821 		    "result gain=%d/balance=%d\n",
   5822 		    pgain[1], pbalance[1], ai.play.gain, ai.play.balance);
   5823 		XP_EQ(ai.play.gain,    pgain[1]);
   5824 		XP_EQ(ai.play.balance, pbalance[1]);
   5825 	}
   5826 	/*
   5827 	 * If both record.gain and record.balance are changeable,
   5828 	 * it should be able to set both at the same time.
   5829 	 */
   5830 	if (rtest) {
   5831 		AUDIO_INITINFO(&ai);
   5832 		ai.record.gain    = rgain[1];
   5833 		ai.record.balance = rbalance[1];
   5834 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "record.gain=%d/balance=%d",
   5835 		    ai.record.gain, ai.record.balance);
   5836 		XP_SYS_EQ(0, r);
   5837 
   5838 		AUDIO_INITINFO(&ai);
   5839 		r = IOCTL(fd, AUDIO_GETINFO, &ai, "&ai");
   5840 		XP_SYS_EQ(0, r);
   5841 
   5842 		DPRINTF("  > setting record.gain=%d/balance=%d: "
   5843 		    "result gain=%d/balance=%d\n",
   5844 		    rgain[1], rbalance[1], ai.record.gain, ai.record.balance);
   5845 		XP_EQ(ai.record.gain,    rgain[1]);
   5846 		XP_EQ(ai.record.balance, rbalance[1]);
   5847 	}
   5848 
   5849 	/*
   5850 	 * Restore all values as possible at the same time.
   5851 	 * This restore is also a test.
   5852 	 */
   5853 	AUDIO_INITINFO(&ai);
   5854 	ai.play.gain      = oai.play.gain;
   5855 	ai.play.balance   = oai.play.balance;
   5856 	ai.record.gain    = oai.record.gain;
   5857 	ai.record.balance = oai.record.balance;
   5858 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "restore all");
   5859 	XP_SYS_EQ(0, r);
   5860 
   5861 	AUDIO_INITINFO(&ai);
   5862 	r = IOCTL(fd, AUDIO_GETINFO, &ai, "&ai");
   5863 	XP_SYS_EQ(0, r);
   5864 	XP_EQ(oai.play.gain,      ai.play.gain);
   5865 	XP_EQ(oai.play.balance,   ai.play.balance);
   5866 	XP_EQ(oai.record.gain,    ai.record.gain);
   5867 	XP_EQ(oai.record.balance, ai.record.balance);
   5868 
   5869 	r = CLOSE(fd);
   5870 	XP_SYS_EQ(0, r);
   5871 }
   5872 
   5873 #define NENC	(AUDIO_ENCODING_AC3 + 1)
   5874 #define NPREC	(5)
   5875 /*
   5876  * Make table of encoding+precision supported by this device.
   5877  * Return last used index .
   5878  * This function is called from test_AUDIO_GETENC_*()
   5879  */
   5880 int
   5881 getenc_make_table(int fd, int expected[][5])
   5882 {
   5883 	audio_encoding_t ae;
   5884 	int idx;
   5885 	int p;
   5886 	int r;
   5887 
   5888 	/*
   5889 	 * expected[][] is two dimensional table.
   5890 	 * encoding \ precision| 4  8  16  24  32
   5891 	 * --------------------+-----------------
   5892 	 * AUDIO_ENCODING_NONE |
   5893 	 * AUDIO_ENCODING_ULAW |
   5894 	 *  :
   5895 	 *
   5896 	 * Each cell has expected behavior.
   5897 	 *  0: the hardware doesn't support this encoding/precision.
   5898 	 *  1: the hardware supports this encoding/precision.
   5899 	 *  2: the hardware doesn't support this encoding/precision but
   5900 	 *     audio layer will respond as supported for compatibility.
   5901 	 */
   5902 	for (idx = 0; ; idx++) {
   5903 		memset(&ae, 0, sizeof(ae));
   5904 		ae.index = idx;
   5905 		r = IOCTL(fd, AUDIO_GETENC, &ae, "index=%d", idx);
   5906 		if (r != 0) {
   5907 			XP_SYS_NG(EINVAL, r);
   5908 			break;
   5909 		}
   5910 
   5911 		XP_EQ(idx, ae.index);
   5912 		if (0 <= ae.encoding && ae.encoding <= AUDIO_ENCODING_AC3) {
   5913 			XP_EQ_STR(encoding_names[ae.encoding], ae.name);
   5914 		} else {
   5915 			XP_FAIL("ae.encoding %d", ae.encoding);
   5916 		}
   5917 
   5918 		if (ae.precision != 4 &&
   5919 		    ae.precision != 8 &&
   5920 		    ae.precision != 16 &&
   5921 		    ae.precision != 24 &&
   5922 		    ae.precision != 32)
   5923 		{
   5924 			XP_FAIL("ae.precision %d", ae.precision);
   5925 		}
   5926 		/* Other bits should not be set */
   5927 		XP_EQ(0, (ae.flags & ~AUDIO_ENCODINGFLAG_EMULATED));
   5928 
   5929 		expected[ae.encoding][ae.precision / 8] = 1;
   5930 		DPRINTF("  > encoding=%s precision=%d\n",
   5931 		    encoding_names[ae.encoding], ae.precision);
   5932 	}
   5933 
   5934 	/*
   5935 	 * Backward compatibility bandaid.
   5936 	 *
   5937 	 * - Some encoding/precision pairs are obviously inconsistent
   5938 	 *   (e.g., encoding=AUDIO_ENCODING_PCM8, precision=16) but
   5939 	 *   it's due to historical reasons.
   5940 	 * - It's incomplete for NetBSD7 and NetBSD8.  I don't really
   5941 	 *   understand their rule...  This is just memo, not specification.
   5942 	 */
   5943 #define SET(x) do {	\
   5944 	if ((x) == 0)	\
   5945 		x = 2;	\
   5946  } while (0)
   5947 #define p4 (0)
   5948 #define p8 (1)
   5949 #define p16 (2)
   5950 #define p24 (3)
   5951 #define p32 (4)
   5952 
   5953 	if (expected[AUDIO_ENCODING_SLINEAR][p8]) {
   5954 		SET(expected[AUDIO_ENCODING_SLINEAR_LE][p8]);
   5955 		SET(expected[AUDIO_ENCODING_SLINEAR_BE][p8]);
   5956 	}
   5957 	if (expected[AUDIO_ENCODING_ULINEAR][p8]) {
   5958 		SET(expected[AUDIO_ENCODING_ULINEAR_LE][p8]);
   5959 		SET(expected[AUDIO_ENCODING_ULINEAR_BE][p8]);
   5960 		SET(expected[AUDIO_ENCODING_PCM8][p8]);
   5961 		SET(expected[AUDIO_ENCODING_PCM16][p8]);
   5962 	}
   5963 	for (p = p16; p <= p32; p++) {
   5964 #if !defined(AUDIO_SUPPORT_LINEAR24)
   5965 		if (p == p24)
   5966 			continue;
   5967 #endif
   5968 		if (expected[AUDIO_ENCODING_SLINEAR_NE][p]) {
   5969 			SET(expected[AUDIO_ENCODING_SLINEAR][p]);
   5970 			SET(expected[AUDIO_ENCODING_PCM16][p]);
   5971 		}
   5972 		if (expected[AUDIO_ENCODING_ULINEAR_NE][p]) {
   5973 			SET(expected[AUDIO_ENCODING_ULINEAR][p]);
   5974 		}
   5975 	}
   5976 
   5977 	if (netbsd < 9) {
   5978 		if (expected[AUDIO_ENCODING_SLINEAR_LE][p16] ||
   5979 		    expected[AUDIO_ENCODING_SLINEAR_BE][p16] ||
   5980 		    expected[AUDIO_ENCODING_ULINEAR_LE][p16] ||
   5981 		    expected[AUDIO_ENCODING_ULINEAR_BE][p16])
   5982 		{
   5983 			SET(expected[AUDIO_ENCODING_PCM8][p8]);
   5984 			SET(expected[AUDIO_ENCODING_PCM16][p8]);
   5985 			SET(expected[AUDIO_ENCODING_SLINEAR_LE][p8]);
   5986 			SET(expected[AUDIO_ENCODING_SLINEAR_BE][p8]);
   5987 			SET(expected[AUDIO_ENCODING_ULINEAR_LE][p8]);
   5988 			SET(expected[AUDIO_ENCODING_ULINEAR_BE][p8]);
   5989 			SET(expected[AUDIO_ENCODING_SLINEAR][p8]);
   5990 			SET(expected[AUDIO_ENCODING_ULINEAR][p8]);
   5991 		}
   5992 	}
   5993 
   5994 	/* Return last used index */
   5995 	return idx;
   5996 #undef SET
   5997 #undef p4
   5998 #undef p8
   5999 #undef p16
   6000 #undef p24
   6001 #undef p32
   6002 }
   6003 
   6004 /*
   6005  * This function is called from test_AUDIO_GETENC below.
   6006  */
   6007 void
   6008 xp_getenc(int expected[][5], int enc, int j, int r, struct audio_prinfo *pr)
   6009 {
   6010 	int prec = (j == 0) ? 4 : j * 8;
   6011 
   6012 	if (expected[enc][j]) {
   6013 		/* expect to succeed */
   6014 		XP_SYS_EQ(0, r);
   6015 
   6016 		XP_EQ(enc, pr->encoding);
   6017 		XP_EQ(prec, pr->precision);
   6018 	} else {
   6019 		/* expect to fail */
   6020 		XP_SYS_NG(EINVAL, r);
   6021 	}
   6022 }
   6023 
   6024 /*
   6025  * This function is called from test_AUDIO_GETENC below.
   6026  */
   6027 void
   6028 getenc_check_encodings(int openmode, int expected[][5])
   6029 {
   6030 	struct audio_info ai;
   6031 	int fd;
   6032 	int i, j;
   6033 	int r;
   6034 
   6035 	fd = OPEN(devaudio, openmode);
   6036 	REQUIRED_SYS_OK(fd);
   6037 
   6038 	for (i = 0; i < NENC; i++) {
   6039 		for (j = 0; j < NPREC; j++) {
   6040 			/* precisions are 4 and 8, 16, 24, 32 */
   6041 			int prec = (j == 0) ? 4 : j * 8;
   6042 
   6043 			/*
   6044 			 * AUDIO_GETENC has no way to know range of
   6045 			 * supported channels and sample_rate.
   6046 			 */
   6047 			AUDIO_INITINFO(&ai);
   6048 			ai.play.encoding = i;
   6049 			ai.play.precision = prec;
   6050 			ai.record.encoding = i;
   6051 			ai.record.precision = prec;
   6052 
   6053 			r = IOCTL(fd, AUDIO_SETINFO, &ai, "%s:%d",
   6054 			    encoding_names[i], prec);
   6055 			if (mode2play(openmode))
   6056 				xp_getenc(expected, i, j, r, &ai.play);
   6057 			if (mode2rec(openmode))
   6058 				xp_getenc(expected, i, j, r, &ai.record);
   6059 		}
   6060 	}
   6061 	r = CLOSE(fd);
   6062 	XP_SYS_EQ(0, r);
   6063 }
   6064 
   6065 /*
   6066  * Check whether encoding+precision obtained by AUDIO_GETENC can be set.
   6067  */
   6068 DEF(AUDIO_GETENC_range)
   6069 {
   6070 	audio_encoding_t ae;
   6071 	int fd;
   6072 	int r;
   6073 	int expected[NENC][NPREC];
   6074 	int i, j;
   6075 
   6076 	TEST("AUDIO_GETENC_range");
   6077 
   6078 	fd = OPEN(devaudio, openable_mode());
   6079 	REQUIRED_SYS_OK(fd);
   6080 
   6081 	memset(&expected, 0, sizeof(expected));
   6082 	i = getenc_make_table(fd, expected);
   6083 
   6084 	/* When error has occurred, the next index should also occur error */
   6085 	ae.index = i + 1;
   6086 	r = IOCTL(fd, AUDIO_GETENC, &ae, "index=%d", ae.index);
   6087 	XP_SYS_NG(EINVAL, r);
   6088 
   6089 	r = CLOSE(fd);
   6090 	XP_SYS_EQ(0, r);
   6091 
   6092 	/* For debug */
   6093 	if (debug) {
   6094 		for (i = 0; i < NENC; i++) {
   6095 			printf("expected[%2d] %15s", i, encoding_names[i]);
   6096 			for (j = 0; j < NPREC; j++) {
   6097 				printf(" %d", expected[i][j]);
   6098 			}
   6099 			printf("\n");
   6100 		}
   6101 	}
   6102 
   6103 	/* Whether obtained encodings can be actually set */
   6104 	if (hw_fulldup()) {
   6105 		/* Test both R/W at once using single descriptor */
   6106 		getenc_check_encodings(O_RDWR, expected);
   6107 	} else {
   6108 		/* Test playback and recording if available */
   6109 		if (hw_canplay()) {
   6110 			getenc_check_encodings(O_WRONLY, expected);
   6111 		}
   6112 		if (hw_canplay() && hw_canrec()) {
   6113 			xxx_close_wait();
   6114 		}
   6115 		if (hw_canrec()) {
   6116 			getenc_check_encodings(O_RDONLY, expected);
   6117 		}
   6118 	}
   6119 }
   6120 #undef NENC
   6121 #undef NPREC
   6122 
   6123 /*
   6124  * Check AUDIO_GETENC out of range.
   6125  */
   6126 DEF(AUDIO_GETENC_error)
   6127 {
   6128 	audio_encoding_t e;
   6129 	int fd;
   6130 	int r;
   6131 
   6132 	TEST("AUDIO_GETENC_error");
   6133 
   6134 	fd = OPEN(devaudio, openable_mode());
   6135 	REQUIRED_SYS_OK(fd);
   6136 
   6137 	memset(&e, 0, sizeof(e));
   6138 	e.index = -1;
   6139 	r = IOCTL(fd, AUDIO_GETENC, &e, "index=-1");
   6140 	/* NetBSD7 may not fail depending on hardware driver */
   6141 	XP_SYS_NG(EINVAL, r);
   6142 
   6143 	r = CLOSE(fd);
   6144 	XP_SYS_EQ(0, r);
   6145 }
   6146 
   6147 /*
   6148  * AUDIO_[PR]ERROR should be zero on the initial state even on non-existent
   6149  * track.
   6150  */
   6151 void
   6152 test_AUDIO_ERROR(int openmode)
   6153 {
   6154 	int fd;
   6155 	int r;
   6156 	int errors;
   6157 
   6158 	TEST("AUDIO_ERROR_%s", openmode_str[openmode] + 2);
   6159 	if (mode2aumode(openmode) == 0) {
   6160 		XP_SKIP("Operation not allowed on this hardware property");
   6161 		return;
   6162 	}
   6163 
   6164 	fd = OPEN(devaudio, openmode);
   6165 	REQUIRED_SYS_OK(fd);
   6166 
   6167 	/* Check PERROR */
   6168 	errors = 0xdeadbeef;
   6169 	r = IOCTL(fd, AUDIO_PERROR, &errors, "");
   6170 	XP_SYS_EQ(0, r);
   6171 	XP_EQ(0, errors);
   6172 
   6173 	/* Check RERROR */
   6174 	errors = 0xdeadbeef;
   6175 	r = IOCTL(fd, AUDIO_RERROR, &errors, "");
   6176 	XP_SYS_EQ(0, r);
   6177 	XP_EQ(0, errors);
   6178 
   6179 	r = CLOSE(fd);
   6180 	XP_SYS_EQ(0, r);
   6181 }
   6182 DEF(AUDIO_ERROR_RDONLY)	{ test_AUDIO_ERROR(O_RDONLY); }
   6183 DEF(AUDIO_ERROR_WRONLY)	{ test_AUDIO_ERROR(O_WRONLY); }
   6184 DEF(AUDIO_ERROR_RDWR)	{ test_AUDIO_ERROR(O_RDWR); }
   6185 
   6186 /*
   6187  * AUDIO_GETIOFFS at least one block.
   6188  */
   6189 void
   6190 test_AUDIO_GETIOFFS_one(int openmode)
   6191 {
   6192 	struct audio_info ai;
   6193 	audio_offset_t o;
   6194 	int fd;
   6195 	int r;
   6196 	u_int blocksize;
   6197 	u_int blk_ms;
   6198 
   6199 	TEST("AUDIO_GETIOFFS_one_%s", openmode_str[openmode] + 2);
   6200 	if (mode2aumode(openmode) == 0) {
   6201 		XP_SKIP("Operation not allowed on this hardware property");
   6202 		return;
   6203 	}
   6204 
   6205 	fd = OPEN(devaudio, openmode);
   6206 	REQUIRED_SYS_OK(fd);
   6207 
   6208 #if 0
   6209 	/*
   6210 	 * On NetBSD7/8, native encodings and emulated encodings behave
   6211 	 * differently.  But it's hard to identify which encoding is native.
   6212 	 * If you try other encodings, edit these parameters manually.
   6213 	 */
   6214 	AUDIO_INITINFO(&ai);
   6215 	ai.record.encoding = AUDIO_ENCODING_SLINEAR_NE;
   6216 	ai.record.precision = 16;
   6217 	ai.record.channels = 2;
   6218 	ai.record.sample_rate = 48000;
   6219 	/* ai.blocksize is shared by play and record, so set both the same. */
   6220 	*ai.play = *ai.record;
   6221 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   6222 	REQUIRED_SYS_EQ(0, r);
   6223 #endif
   6224 
   6225 	/* Get blocksize to calc blk_ms. */
   6226 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   6227 	REQUIRED_SYS_EQ(0, r);
   6228 	blocksize = ai.blocksize;
   6229 	if (netbsd < 9) {
   6230 		blk_ms = 0;
   6231 	} else {
   6232 		/* On NetBSD9, blocktime can always be calculated. */
   6233 		blk_ms = blocksize * 1000 /
   6234 		    (ai.play.precision / 8 * ai.play.channels *
   6235 		     ai.play.sample_rate);
   6236 	}
   6237 	if (blk_ms == 0)
   6238 		blk_ms = 50;
   6239 	DPRINTF("  > blocksize=%u, estimated blk_ms=%u\n", blocksize, blk_ms);
   6240 
   6241 	/*
   6242 	 * Even when just opened, recording counters will start.
   6243 	 * Wait a moment, about one block time.
   6244 	 */
   6245 	usleep(blk_ms * 1000);
   6246 
   6247 	r = IOCTL(fd, AUDIO_GETIOFFS, &o, "");
   6248 	XP_SYS_EQ(0, r);
   6249 	if (mode2rec(openmode)) {
   6250 		/*
   6251 		 * It's difficult to know exact values.
   6252 		 * But at least these should not be zero.
   6253 		 */
   6254 		DPRINTF("  > %d: samples=%u deltablks=%u offset=%u\n",
   6255 		    __LINE__, o.samples, o.deltablks, o.offset);
   6256 		XP_NE(0, o.samples);
   6257 		XP_NE(0, o.deltablks);
   6258 		XP_NE(0, o.offset);
   6259 	} else {
   6260 		/* All are zero on playback track. */
   6261 		XP_EQ(0, o.samples);
   6262 		XP_EQ(0, o.deltablks);
   6263 		XP_EQ(0, o.offset);
   6264 	}
   6265 
   6266 	r = CLOSE(fd);
   6267 	XP_SYS_EQ(0, r);
   6268 }
   6269 DEF(AUDIO_GETIOFFS_one_RDONLY) { test_AUDIO_GETIOFFS_one(O_RDONLY); }
   6270 DEF(AUDIO_GETIOFFS_one_WRONLY) { test_AUDIO_GETIOFFS_one(O_WRONLY); }
   6271 DEF(AUDIO_GETIOFFS_one_RDWR)   { test_AUDIO_GETIOFFS_one(O_RDWR); }
   6272 
   6273 /*
   6274  * AUDIO_GETOOFFS for one block.
   6275  */
   6276 void
   6277 test_AUDIO_GETOOFFS_one(int openmode)
   6278 {
   6279 	struct audio_info ai;
   6280 	audio_offset_t o;
   6281 	char *buf;
   6282 	int fd;
   6283 	int r;
   6284 	u_int blocksize;
   6285 	u_int initial_offset;
   6286 	u_int blk_ms;
   6287 
   6288 	TEST("AUDIO_GETOOFFS_one_%s", openmode_str[openmode] + 2);
   6289 	if (mode2aumode(openmode) == 0) {
   6290 		XP_SKIP("Operation not allowed on this hardware property");
   6291 		return;
   6292 	}
   6293 
   6294 	fd = OPEN(devaudio, openmode);
   6295 	REQUIRED_SYS_OK(fd);
   6296 
   6297 #if 0
   6298 	/*
   6299 	 * On NetBSD7/8, native encodings and emulated encodings behave
   6300 	 * differently.  But it's hard to identify which encoding is native.
   6301 	 * If you try other encodings, edit these parameters manually.
   6302 	 */
   6303 	AUDIO_INITINFO(&ai);
   6304 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_NE;
   6305 	ai.play.precision = 16;
   6306 	ai.play.channels = 2;
   6307 	ai.play.sample_rate = 48000;
   6308 	/* ai.blocksize is shared by play and record, so set both the same. */
   6309 	*ai.record = *ai.play;
   6310 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "slinear16/2ch/48000");
   6311 	REQUIRED_SYS_EQ(0, r);
   6312 #endif
   6313 
   6314 	/* Get blocksize to calc blk_ms. */
   6315 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   6316 	REQUIRED_SYS_EQ(0, r);
   6317 	blocksize = ai.blocksize;
   6318 	if (netbsd < 9) {
   6319 		blk_ms = 0;
   6320 	} else {
   6321 		/* On NetBSD9, blocktime can always be calculated. */
   6322 		blk_ms = blocksize * 1000 /
   6323 		    (ai.play.precision / 8 * ai.play.channels *
   6324 		     ai.play.sample_rate);
   6325 	}
   6326 	if (blk_ms == 0)
   6327 		blk_ms = 50;
   6328 	DPRINTF("  > blocksize=%u, estimated blk_ms=%u\n", blocksize, blk_ms);
   6329 
   6330 	buf = (char *)malloc(blocksize);
   6331 	REQUIRED_IF(buf != NULL);
   6332 	memset(buf, 0xff, blocksize);
   6333 
   6334 	/*
   6335 	 * On NetBSD7, .offset starts from one block.  What is the block??
   6336 	 * On NetBSD9, .offset starts from zero.
   6337 	 */
   6338 	if (netbsd < 9) {
   6339 		initial_offset = blocksize;
   6340 	} else {
   6341 		initial_offset = 0;
   6342 	}
   6343 
   6344 	/* When just opened, all are zero. */
   6345 	r = IOCTL(fd, AUDIO_GETOOFFS, &o, "");
   6346 	XP_SYS_EQ(0, r);
   6347 	XP_EQ(0, o.samples);
   6348 	XP_EQ(0, o.deltablks);
   6349 	XP_EQ(initial_offset, o.offset);
   6350 
   6351 	/* Even if wait (at least) one block, these remain unchanged. */
   6352 	usleep(blk_ms * 1000);
   6353 	r = IOCTL(fd, AUDIO_GETOOFFS, &o, "");
   6354 	XP_SYS_EQ(0, r);
   6355 	XP_EQ(0, o.samples);
   6356 	XP_EQ(0, o.deltablks);
   6357 	XP_EQ(initial_offset, o.offset);
   6358 
   6359 	/* Write one block. */
   6360 	r = WRITE(fd, buf, blocksize);
   6361 	if (mode2play(openmode)) {
   6362 		XP_SYS_EQ(blocksize, r);
   6363 	} else {
   6364 		XP_SYS_NG(EBADF, r);
   6365 	}
   6366 	r = IOCTL(fd, AUDIO_DRAIN, NULL, "");
   6367 	REQUIRED_SYS_EQ(0, r);
   6368 
   6369 	r = IOCTL(fd, AUDIO_GETOOFFS, &o, "");
   6370 	XP_SYS_EQ(0, r);
   6371 	if (mode2play(openmode)) {
   6372 		/* All advance one block. */
   6373 		XP_EQ(blocksize, o.samples);
   6374 		XP_EQ(1, o.deltablks);
   6375 		XP_EQ(initial_offset + blocksize, o.offset);
   6376 	} else {
   6377 		/*
   6378 		 * All are zero on non-play track.
   6379 		 * On NetBSD7, the rec track has play buffer, too.
   6380 		 */
   6381 		XP_EQ(0, o.samples);
   6382 		XP_EQ(0, o.deltablks);
   6383 		XP_EQ(initial_offset, o.offset);
   6384 	}
   6385 
   6386 	r = CLOSE(fd);
   6387 	XP_SYS_EQ(0, r);
   6388 
   6389 	free(buf);
   6390 }
   6391 DEF(AUDIO_GETOOFFS_one_RDONLY) { test_AUDIO_GETOOFFS_one(O_RDONLY); }
   6392 DEF(AUDIO_GETOOFFS_one_WRONLY) { test_AUDIO_GETOOFFS_one(O_WRONLY); }
   6393 DEF(AUDIO_GETOOFFS_one_RDWR)   { test_AUDIO_GETOOFFS_one(O_RDWR); }
   6394 
   6395 /*
   6396  * AUDIO_GETOOFFS when wrap around buffer.
   6397  */
   6398 void
   6399 test_AUDIO_GETOOFFS_wrap(int openmode)
   6400 {
   6401 	struct audio_info ai;
   6402 	audio_offset_t o;
   6403 	char *buf;
   6404 	int fd;
   6405 	int r;
   6406 	u_int blocksize;
   6407 	u_int buffer_size;
   6408 	u_int initial_offset;
   6409 	u_int nblks;
   6410 
   6411 	TEST("AUDIO_GETOOFFS_wrap_%s", openmode_str[openmode] + 2);
   6412 	if (mode2aumode(openmode) == 0) {
   6413 		XP_SKIP("Operation not allowed on this hardware property");
   6414 		return;
   6415 	}
   6416 
   6417 	fd = OPEN(devaudio, openmode);
   6418 	REQUIRED_SYS_OK(fd);
   6419 
   6420 #if 1
   6421 	/* To save test time, use larger format if possible. */
   6422 	AUDIO_INITINFO(&ai);
   6423 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_NE;
   6424 	ai.play.precision = 16;
   6425 	ai.play.channels = 2;
   6426 	ai.play.sample_rate = 48000;
   6427 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "slinear16/2/48000");
   6428 	if (r != 0)
   6429 #endif
   6430 	{
   6431 		/*
   6432 		 * If it cannot be set, use common format instead.
   6433 		 * May be happened on NetBSD7/8.
   6434 		 */
   6435 		AUDIO_INITINFO(&ai);
   6436 		ai.play.encoding = AUDIO_ENCODING_ULAW;
   6437 		ai.play.precision = 8;
   6438 		ai.play.channels = 1;
   6439 		ai.play.sample_rate = 8000;
   6440 		r = IOCTL(fd, AUDIO_SETINFO, &ai, "ulaw/1/8000");
   6441 	}
   6442 	REQUIRED_SYS_EQ(0, r);
   6443 
   6444 	/* Get buffer_size and blocksize. */
   6445 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   6446 	REQUIRED_SYS_EQ(0, r);
   6447 	buffer_size = ai.play.buffer_size;
   6448 	blocksize = ai.blocksize;
   6449 	nblks = buffer_size / blocksize;
   6450 	DPRINTF("  > buffer_size=%u blocksize=%u nblks=%u\n",
   6451 	    buffer_size, blocksize, nblks);
   6452 
   6453 	buf = (char *)malloc(buffer_size);
   6454 	REQUIRED_IF(buf != NULL);
   6455 	memset(buf, 0xff, buffer_size);
   6456 
   6457 	/*
   6458 	 * On NetBSD7, .offset starts from one block.  What is the block??
   6459 	 * On NetBSD9, .offset starts from zero.
   6460 	 */
   6461 	if (netbsd < 9) {
   6462 		initial_offset = blocksize;
   6463 	} else {
   6464 		initial_offset = 0;
   6465 	}
   6466 
   6467 	/* Write full buffer. */
   6468 	r = WRITE(fd, buf, buffer_size);
   6469 	if (mode2play(openmode)) {
   6470 		XP_SYS_EQ(buffer_size, r);
   6471 
   6472 		/* Then, wait. */
   6473 		r = IOCTL(fd, AUDIO_DRAIN, NULL, "");
   6474 		REQUIRED_SYS_EQ(0, r);
   6475 	} else {
   6476 		XP_SYS_NG(EBADF, r);
   6477 	}
   6478 
   6479 	/*
   6480 	 * .deltablks is number of blocks since last checked.
   6481 	 * .offset is wrapped around to zero.
   6482 	 */
   6483 	r = IOCTL(fd, AUDIO_GETOOFFS, &o, "");
   6484 	XP_SYS_EQ(0, r);
   6485 	if (mode2play(openmode)) {
   6486 		/*
   6487 		 * On NetBSD7, samples may be blocksize * nblks or buffer_size
   6488 		 * depending on native/emulated encoding.
   6489 		 * On NetBSD9, samples is always equal to buffer_size.
   6490 		 */
   6491 		if (buffer_size != blocksize * nblks &&
   6492 		    o.samples == blocksize * nblks) {
   6493 			DPRINTF("  > %d: samples(%u) == blocksize * nblks\n",
   6494 			    __LINE__, o.samples);
   6495 		} else {
   6496 			XP_EQ(buffer_size, o.samples);
   6497 		}
   6498 		XP_EQ(nblks, o.deltablks);
   6499 		XP_EQ(initial_offset, o.offset);
   6500 	} else {
   6501 		/*
   6502 		 * On non-play track, it silently succeeds with zero.
   6503 		 * But on NetBSD7, RDONLY descriptor also has play buffer.
   6504 		 */
   6505 		XP_EQ(0, o.samples);
   6506 		XP_EQ(0, o.deltablks);
   6507 		XP_EQ(initial_offset, o.offset);
   6508 	}
   6509 
   6510 	r = CLOSE(fd);
   6511 	XP_SYS_EQ(0, r);
   6512 
   6513 	free(buf);
   6514 }
   6515 DEF(AUDIO_GETOOFFS_wrap_RDONLY) { test_AUDIO_GETOOFFS_wrap(O_RDONLY); }
   6516 DEF(AUDIO_GETOOFFS_wrap_WRONLY) { test_AUDIO_GETOOFFS_wrap(O_WRONLY); }
   6517 DEF(AUDIO_GETOOFFS_wrap_RDWR)   { test_AUDIO_GETOOFFS_wrap(O_RDWR); }
   6518 
   6519 /*
   6520  * Check whether AUDIO_FLUSH clears AUDIO_GETOOFFS.
   6521  */
   6522 void
   6523 test_AUDIO_GETOOFFS_flush(int openmode)
   6524 {
   6525 	struct audio_info ai;
   6526 	audio_offset_t o;
   6527 	char *buf;
   6528 	int fd;
   6529 	int r;
   6530 	u_int initial_offset;
   6531 	u_int last_offset;
   6532 
   6533 	TEST("AUDIO_GETOOFFS_flush_%s", openmode_str[openmode] + 2);
   6534 	if (mode2aumode(openmode) == 0) {
   6535 		XP_SKIP("Operation not allowed on this hardware property");
   6536 		return;
   6537 	}
   6538 
   6539 	fd = OPEN(devaudio, openmode);
   6540 	REQUIRED_SYS_OK(fd);
   6541 
   6542 #if 0
   6543 	/* On NetBSD7/8, native encoding changes buffer behavior. */
   6544 	AUDIO_INITINFO(&ai);
   6545 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_NE;
   6546 	ai.play.precision = 16;
   6547 	ai.play.channels = 2;
   6548 	ai.play.sample_rate = 48000;
   6549 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "");
   6550 	REQUIRED_SYS_EQ(0, r);
   6551 #endif
   6552 
   6553 	/* Get blocksize. */
   6554 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   6555 	REQUIRED_SYS_EQ(0, r);
   6556 
   6557 	buf = (char *)malloc(ai.blocksize);
   6558 	REQUIRED_IF(buf != NULL);
   6559 	memset(buf, 0xff, ai.blocksize);
   6560 
   6561 	/*
   6562 	 * On NetBSD7, .offset starts from one block.  What is the block??
   6563 	 * On NetBSD9, .offset starts from zero.
   6564 	 */
   6565 	if (netbsd < 9) {
   6566 		initial_offset = ai.blocksize;
   6567 	} else {
   6568 		initial_offset = 0;
   6569 	}
   6570 
   6571 	/* Write one block. */
   6572 	r = WRITE(fd, buf, ai.blocksize);
   6573 	if (mode2play(openmode)) {
   6574 		XP_SYS_EQ(ai.blocksize, r);
   6575 	} else {
   6576 		XP_SYS_NG(EBADF, r);
   6577 	}
   6578 	r = IOCTL(fd, AUDIO_DRAIN, NULL, "");
   6579 	XP_SYS_EQ(0, r);
   6580 
   6581 	/* Obtain once. */
   6582 	r = IOCTL(fd, AUDIO_GETOOFFS, &o, "");
   6583 	XP_SYS_EQ(0, r);
   6584 	if (mode2play(openmode)) {
   6585 		XP_EQ(ai.blocksize, o.samples);
   6586 		XP_EQ(1, o.deltablks);
   6587 		XP_EQ(initial_offset + ai.blocksize, o.offset);
   6588 	} else {
   6589 		/*
   6590 		 * On non-play track, it silently succeeds with zero.
   6591 		 * But on NetBSD7, RDONLY descriptor also has play buffer.
   6592 		 */
   6593 		XP_EQ(0, o.samples);
   6594 		XP_EQ(0, o.deltablks);
   6595 		XP_EQ(initial_offset, o.offset);
   6596 	}
   6597 
   6598 	/* Write one more block to advance .offset. */
   6599 	r = WRITE(fd, buf, ai.blocksize);
   6600 	if (mode2play(openmode)) {
   6601 		XP_SYS_EQ(ai.blocksize, r);
   6602 	} else {
   6603 		XP_SYS_NG(EBADF, r);
   6604 	}
   6605 	r = IOCTL(fd, AUDIO_DRAIN, NULL, "");
   6606 	XP_SYS_EQ(0, r);
   6607 
   6608 	/* If offset remains unchanged, this is expected offset. */
   6609 	last_offset = initial_offset + ai.blocksize * 2;
   6610 
   6611 	/* Then, flush. */
   6612 	r = IOCTL(fd, AUDIO_FLUSH, NULL, "");
   6613 	REQUIRED_SYS_EQ(0, r);
   6614 
   6615 	/* All should be cleared. */
   6616 	r = IOCTL(fd, AUDIO_GETOOFFS, &o, "");
   6617 	XP_SYS_EQ(0, r);
   6618 	XP_EQ(0, o.samples);
   6619 	XP_EQ(0, o.deltablks);
   6620 	if (mode2play(openmode)) {
   6621 		/*
   6622 		 * On NetBSD7,
   6623 		 * offset is cleared if native encodings(?), but remains
   6624 		 * unchanged if emulated encodings(?).  Looks a bug.
   6625 		 * On NetBSD9, it should always be cleared.
   6626 		 */
   6627 		if (netbsd < 9 && o.offset == last_offset) {
   6628 			DPRINTF("  > %d: offset(%u) == last_offset\n",
   6629 			    __LINE__, o.offset);
   6630 		} else {
   6631 			XP_EQ(initial_offset, o.offset);
   6632 		}
   6633 	} else {
   6634 		XP_EQ(initial_offset, o.offset);
   6635 	}
   6636 
   6637 	r = CLOSE(fd);
   6638 	XP_SYS_EQ(0, r);
   6639 
   6640 	free(buf);
   6641 }
   6642 DEF(AUDIO_GETOOFFS_flush_RDONLY) { test_AUDIO_GETOOFFS_flush(O_RDONLY); }
   6643 DEF(AUDIO_GETOOFFS_flush_WRONLY) { test_AUDIO_GETOOFFS_flush(O_WRONLY); }
   6644 DEF(AUDIO_GETOOFFS_flush_RDWR)   { test_AUDIO_GETOOFFS_flush(O_RDWR); }
   6645 
   6646 /*
   6647  * Check whether AUDIO_SETINFO(encoding) clears AUDIO_GETOOFFS.
   6648  */
   6649 void
   6650 test_AUDIO_GETOOFFS_set(int openmode)
   6651 {
   6652 	struct audio_info ai;
   6653 	audio_offset_t o;
   6654 	char *buf;
   6655 	int fd;
   6656 	int r;
   6657 	u_int initial_offset;
   6658 
   6659 	TEST("AUDIO_GETOOFFS_set_%s", openmode_str[openmode] + 2);
   6660 	if (mode2aumode(openmode) == 0) {
   6661 		XP_SKIP("Operation not allowed on this hardware property");
   6662 		return;
   6663 	}
   6664 
   6665 	fd = OPEN(devaudio, openmode);
   6666 	REQUIRED_SYS_OK(fd);
   6667 
   6668 	/* Get blocksize. */
   6669 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   6670 	XP_SYS_EQ(0, r);
   6671 
   6672 	buf = (char *)malloc(ai.blocksize);
   6673 	REQUIRED_IF(buf != NULL);
   6674 	memset(buf, 0xff, ai.blocksize);
   6675 
   6676 	/*
   6677 	 * On NetBSD7, .offset starts from one block.  What is the block??
   6678 	 * On NetBSD9, .offset starts from zero.
   6679 	 */
   6680 	if (netbsd < 9) {
   6681 		initial_offset = ai.blocksize;
   6682 	} else {
   6683 		initial_offset = 0;
   6684 	}
   6685 
   6686 	/* Write one block. */
   6687 	r = WRITE(fd, buf, ai.blocksize);
   6688 	if (mode2play(openmode)) {
   6689 		XP_SYS_EQ(ai.blocksize, r);
   6690 	} else {
   6691 		XP_SYS_NG(EBADF, r);
   6692 	}
   6693 	r = IOCTL(fd, AUDIO_DRAIN, NULL, "");
   6694 	XP_SYS_EQ(0, r);
   6695 
   6696 	/*
   6697 	 * Then, change encoding.
   6698 	 * If we fail to change it, we cannot continue.  This may happen
   6699 	 * on NetBSD7/8.
   6700 	 */
   6701 	AUDIO_INITINFO(&ai);
   6702 	ai.play.encoding = AUDIO_ENCODING_SLINEAR_NE;
   6703 	ai.play.precision = 16;
   6704 	ai.play.channels = 2;
   6705 	ai.play.sample_rate = 48000;
   6706 	r = IOCTL(fd, AUDIO_SETINFO, &ai, "slinear16/2ch/48000");
   6707 	REQUIRED_SYS_EQ(0, r);
   6708 
   6709 	r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
   6710 	REQUIRED_SYS_EQ(0, r);
   6711 	if (netbsd < 9) {
   6712 		initial_offset = ai.blocksize;
   6713 	} else {
   6714 		initial_offset = 0;
   6715 	}
   6716 
   6717 	/* Clear counters? */
   6718 	r = IOCTL(fd, AUDIO_GETOOFFS, &o, "");
   6719 	XP_SYS_EQ(0, r);
   6720 	XP_EQ(0, o.samples);
   6721 	XP_EQ(0, o.deltablks);
   6722 	XP_EQ(initial_offset, o.offset);
   6723 
   6724 	r = CLOSE(fd);
   6725 	XP_SYS_EQ(0, r);
   6726 
   6727 	free(buf);
   6728 }
   6729 DEF(AUDIO_GETOOFFS_set_RDONLY) { test_AUDIO_GETOOFFS_set(O_RDONLY); }
   6730 DEF(AUDIO_GETOOFFS_set_WRONLY) { test_AUDIO_GETOOFFS_set(O_WRONLY); }
   6731 DEF(AUDIO_GETOOFFS_set_RDWR)   { test_AUDIO_GETOOFFS_set(O_RDWR); }
   6732 
   6733 /*
   6734  * /dev/audioctl can always be opened while /dev/audio is open.
   6735  */
   6736 void
   6737 test_audioctl_open_1(int fmode, int cmode)
   6738 {
   6739 	int fd;
   6740 	int ctl;
   6741 	int r;
   6742 
   6743 	TEST("audioctl_open_1_%s_%s",
   6744 	    openmode_str[fmode] + 2, openmode_str[cmode] + 2);
   6745 	if (hw_canplay() == 0 && fmode == O_WRONLY) {
   6746 		XP_SKIP("This test is for playable device");
   6747 		return;
   6748 	}
   6749 	if (hw_canrec() == 0 && fmode == O_RDONLY) {
   6750 		XP_SKIP("This test is for recordable device");
   6751 		return;
   6752 	}
   6753 
   6754 	fd = OPEN(devaudio, fmode);
   6755 	REQUIRED_SYS_OK(fd);
   6756 
   6757 	ctl = OPEN(devaudioctl, cmode);
   6758 	XP_SYS_OK(ctl);
   6759 
   6760 	r = CLOSE(ctl);
   6761 	XP_SYS_EQ(0, r);
   6762 
   6763 	r = CLOSE(fd);
   6764 	XP_SYS_EQ(0, r);
   6765 }
   6766 DEF(audioctl_open_1_RDONLY_RDONLY) { test_audioctl_open_1(O_RDONLY, O_RDONLY); }
   6767 DEF(audioctl_open_1_RDONLY_RWONLY) { test_audioctl_open_1(O_RDONLY, O_WRONLY); }
   6768 DEF(audioctl_open_1_RDONLY_RDWR)   { test_audioctl_open_1(O_RDONLY, O_RDWR); }
   6769 DEF(audioctl_open_1_WRONLY_RDONLY) { test_audioctl_open_1(O_WRONLY, O_RDONLY); }
   6770 DEF(audioctl_open_1_WRONLY_RWONLY) { test_audioctl_open_1(O_WRONLY, O_WRONLY); }
   6771 DEF(audioctl_open_1_WRONLY_RDWR)   { test_audioctl_open_1(O_WRONLY, O_RDWR); }
   6772 DEF(audioctl_open_1_RDWR_RDONLY)   { test_audioctl_open_1(O_RDWR, O_RDONLY); }
   6773 DEF(audioctl_open_1_RDWR_RWONLY)   { test_audioctl_open_1(O_RDWR, O_WRONLY); }
   6774 DEF(audioctl_open_1_RDWR_RDWR)     { test_audioctl_open_1(O_RDWR, O_RDWR); }
   6775 
   6776 /*
   6777  * /dev/audio can always be opened while /dev/audioctl is open.
   6778  */
   6779 void
   6780 test_audioctl_open_2(int fmode, int cmode)
   6781 {
   6782 	int fd;
   6783 	int ctl;
   6784 	int r;
   6785 
   6786 	TEST("audioctl_open_2_%s_%s",
   6787 	    openmode_str[fmode] + 2, openmode_str[cmode] + 2);
   6788 	if (hw_canplay() == 0 && fmode == O_WRONLY) {
   6789 		XP_SKIP("This test is for playable device");
   6790 		return;
   6791 	}
   6792 	if (hw_canrec() == 0 && fmode == O_RDONLY) {
   6793 		XP_SKIP("This test is for recordable device");
   6794 		return;
   6795 	}
   6796 
   6797 	ctl = OPEN(devaudioctl, cmode);
   6798 	REQUIRED_SYS_OK(ctl);
   6799 
   6800 	fd = OPEN(devaudio, fmode);
   6801 	XP_SYS_OK(fd);
   6802 
   6803 	r = CLOSE(fd);
   6804 	XP_SYS_EQ(0, r);
   6805 
   6806 	r = CLOSE(ctl);
   6807 	XP_SYS_EQ(0, r);
   6808 }
   6809 DEF(audioctl_open_2_RDONLY_RDONLY) { test_audioctl_open_2(O_RDONLY, O_RDONLY); }
   6810 DEF(audioctl_open_2_RDONLY_RWONLY) { test_audioctl_open_2(O_RDONLY, O_WRONLY); }
   6811 DEF(audioctl_open_2_RDONLY_RDWR)   { test_audioctl_open_2(O_RDONLY, O_RDWR); }
   6812 DEF(audioctl_open_2_WRONLY_RDONLY) { test_audioctl_open_2(O_WRONLY, O_RDONLY); }
   6813 DEF(audioctl_open_2_WRONLY_RWONLY) { test_audioctl_open_2(O_WRONLY, O_WRONLY); }
   6814 DEF(audioctl_open_2_WRONLY_RDWR)   { test_audioctl_open_2(O_WRONLY, O_RDWR); }
   6815 DEF(audioctl_open_2_RDWR_RDONLY)   { test_audioctl_open_2(O_RDWR, O_RDONLY); }
   6816 DEF(audioctl_open_2_RDWR_RWONLY)   { test_audioctl_open_2(O_RDWR, O_WRONLY); }
   6817 DEF(audioctl_open_2_RDWR_RDWR)     { test_audioctl_open_2(O_RDWR, O_RDWR); }
   6818 
   6819 /*
   6820  * Open multiple /dev/audioctl.
   6821  */
   6822 DEF(audioctl_open_simul)
   6823 {
   6824 	int ctl0;
   6825 	int ctl1;
   6826 	int r;
   6827 
   6828 	TEST("audioctl_open_simul");
   6829 
   6830 	ctl0 = OPEN(devaudioctl, O_RDWR);
   6831 	REQUIRED_SYS_OK(ctl0);
   6832 
   6833 	ctl1 = OPEN(devaudioctl, O_RDWR);
   6834 	XP_SYS_OK(ctl1);
   6835 
   6836 	r = CLOSE(ctl0);
   6837 	XP_SYS_EQ(0, r);
   6838 
   6839 	r = CLOSE(ctl1);
   6840 	XP_SYS_EQ(0, r);
   6841 }
   6842 
   6843 /*
   6844  * /dev/audioctl can be opened by other user who opens /dev/audioctl,
   6845  * /dev/audioctl can be opened by other user who opens /dev/audio,
   6846  * /dev/audio    can be opened by other user who opens /dev/audioctl,
   6847  * regardless of multiuser mode.
   6848  */
   6849 void
   6850 try_audioctl_open_multiuser(const char *dev1, const char *dev2)
   6851 {
   6852 	int fd1;
   6853 	int fd2;
   6854 	int r;
   6855 	uid_t ouid;
   6856 
   6857 	/*
   6858 	 * At first, open dev1 as root.
   6859 	 * And then open dev2 as unprivileged user.
   6860 	 */
   6861 
   6862 	fd1 = OPEN(dev1, O_RDWR);
   6863 	REQUIRED_SYS_OK(fd1);
   6864 
   6865 	ouid = GETUID();
   6866 	r = SETEUID(1);
   6867 	REQUIRED_SYS_EQ(0, r);
   6868 
   6869 	fd2 = OPEN(dev2, O_RDWR);
   6870 	XP_SYS_OK(fd2);
   6871 
   6872 	/* Close */
   6873 	r = CLOSE(fd2);
   6874 	XP_SYS_EQ(0, r);
   6875 
   6876 	r = SETEUID(ouid);
   6877 	REQUIRED_SYS_EQ(0, r);
   6878 
   6879 	r = CLOSE(fd1);
   6880 	XP_SYS_EQ(0, r);
   6881 }
   6882 /*
   6883  * This is a wrapper for audioctl_open_multiuser.
   6884  * XXX XP_* macros are not compatible with on-error-goto, we need try-catch...
   6885  */
   6886 void
   6887 test_audioctl_open_multiuser(bool multiuser,
   6888 	const char *dev1, const char *dev2)
   6889 {
   6890 	char mibname[32];
   6891 	bool oldval;
   6892 	size_t oldlen;
   6893 	int r;
   6894 
   6895 	if (netbsd < 8 && multiuser == 1) {
   6896 		XP_SKIP("multiuser is not supported");
   6897 		return;
   6898 	}
   6899 	if (netbsd < 9) {
   6900 		/* NetBSD8 has no way (difficult) to determine device name */
   6901 		XP_SKIP("NetBSD8 cannot determine device name");
   6902 		return;
   6903 	}
   6904 	if (geteuid() != 0) {
   6905 		XP_SKIP("This test must be priviledged user");
   6906 		return;
   6907 	}
   6908 
   6909 	/* Get current multiuser mode (and save it) */
   6910 	snprintf(mibname, sizeof(mibname), "hw.%s.multiuser", devicename);
   6911 	oldlen = sizeof(oldval);
   6912 	r = SYSCTLBYNAME(mibname, &oldval, &oldlen, NULL, 0);
   6913 	REQUIRED_SYS_EQ(0, r);
   6914 	DPRINTF("  > multiuser=%d\n", oldval);
   6915 
   6916 	/* Change if necessary */
   6917 	if (oldval != multiuser) {
   6918 		r = SYSCTLBYNAME(mibname, NULL, NULL, &multiuser,
   6919 		    sizeof(multiuser));
   6920 		REQUIRED_SYS_EQ(0, r);
   6921 		DPRINTF("  > new multiuser=%d\n", multiuser);
   6922 	}
   6923 
   6924 	/* Do test */
   6925 	try_audioctl_open_multiuser(dev1, dev2);
   6926 
   6927 	/* Restore multiuser mode */
   6928 	if (oldval != multiuser) {
   6929 		DPRINTF("  > restore multiuser to %d\n", oldval);
   6930 		r = SYSCTLBYNAME(mibname, NULL, NULL, &oldval, sizeof(oldval));
   6931 		XP_SYS_EQ(0, r);
   6932 	}
   6933 }
   6934 DEF(audioctl_open_multiuser0_audio1) {
   6935 	TEST("audioctl_open_multiuser0_audio1");
   6936 	test_audioctl_open_multiuser(false, devaudio, devaudioctl);
   6937 }
   6938 DEF(audioctl_open_multiuser1_audio1) {
   6939 	TEST("audioctl_open_multiuser1_audio1");
   6940 	test_audioctl_open_multiuser(true, devaudio, devaudioctl);
   6941 }
   6942 DEF(audioctl_open_multiuser0_audio2) {
   6943 	TEST("audioctl_open_multiuser0_audio2");
   6944 	test_audioctl_open_multiuser(false, devaudioctl, devaudio);
   6945 }
   6946 DEF(audioctl_open_multiuser1_audio2) {
   6947 	TEST("audioctl_open_multiuser1_audio2");
   6948 	test_audioctl_open_multiuser(true, devaudioctl, devaudio);
   6949 }
   6950 DEF(audioctl_open_multiuser0_audioctl) {
   6951 	TEST("audioctl_open_multiuser0_audioctl");
   6952 	test_audioctl_open_multiuser(false, devaudioctl, devaudioctl);
   6953 }
   6954 DEF(audioctl_open_multiuser1_audioctl) {
   6955 	TEST("audioctl_open_multiuser1_audioctl");
   6956 	test_audioctl_open_multiuser(true, devaudioctl, devaudioctl);
   6957 }
   6958 
   6959 /*
   6960  * /dev/audioctl cannot be read/written regardless of its open mode.
   6961  */
   6962 void
   6963 test_audioctl_rw(int openmode)
   6964 {
   6965 	char buf[1];
   6966 	int fd;
   6967 	int r;
   6968 
   6969 	TEST("audioctl_rw_%s", openmode_str[openmode] + 2);
   6970 
   6971 	fd = OPEN(devaudioctl, openmode);
   6972 	REQUIRED_SYS_OK(fd);
   6973 
   6974 	if (mode2play(openmode)) {
   6975 		r = WRITE(fd, buf, sizeof(buf));
   6976 		XP_SYS_NG(ENODEV, r);
   6977 	}
   6978 
   6979 	if (mode2rec(openmode)) {
   6980 		r = READ(fd, buf, sizeof(buf));
   6981 		XP_SYS_NG(ENODEV, r);
   6982 	}
   6983 
   6984 	r = CLOSE(fd);
   6985 	XP_SYS_EQ(0, r);
   6986 }
   6987 DEF(audioctl_rw_RDONLY)	{ test_audioctl_rw(O_RDONLY); }
   6988 DEF(audioctl_rw_WRONLY)	{ test_audioctl_rw(O_WRONLY); }
   6989 DEF(audioctl_rw_RDWR)	{ test_audioctl_rw(O_RDWR); }
   6990 
   6991 /*
   6992  * poll(2) for /dev/audioctl should never raise.
   6993  * I'm not sure about consistency between poll(2) and kqueue(2) but
   6994  * anyway I follow it.
   6995  * XXX Omit checking each openmode
   6996  */
   6997 DEF(audioctl_poll)
   6998 {
   6999 	struct pollfd pfd;
   7000 	int fd;
   7001 	int r;
   7002 
   7003 	TEST("audioctl_poll");
   7004 
   7005 	fd = OPEN(devaudioctl, O_WRONLY);
   7006 	REQUIRED_SYS_OK(fd);
   7007 
   7008 	pfd.fd = fd;
   7009 	pfd.events = POLLOUT;
   7010 	r = POLL(&pfd, 1, 100);
   7011 	XP_SYS_EQ(0, r);
   7012 	XP_EQ(0, pfd.revents);
   7013 
   7014 	r = CLOSE(fd);
   7015 	XP_SYS_EQ(0, r);
   7016 }
   7017 
   7018 /*
   7019  * kqueue(2) for /dev/audioctl fails.
   7020  * I'm not sure about consistency between poll(2) and kqueue(2) but
   7021  * anyway I follow it.
   7022  * XXX Omit checking each openmode
   7023  */
   7024 DEF(audioctl_kqueue)
   7025 {
   7026 	struct kevent kev;
   7027 	int fd;
   7028 	int kq;
   7029 	int r;
   7030 
   7031 	TEST("audioctl_kqueue");
   7032 
   7033 	fd = OPEN(devaudioctl, O_WRONLY);
   7034 	REQUIRED_SYS_OK(fd);
   7035 
   7036 	kq = KQUEUE();
   7037 	XP_SYS_OK(kq);
   7038 
   7039 	EV_SET(&kev, fd, EVFILT_WRITE, EV_ADD, 0, 0, 0);
   7040 	r = KEVENT_SET(kq, &kev, 1);
   7041 	/*
   7042 	 * NetBSD7 has a bug.  It looks to wanted to treat it as successful
   7043 	 * but returned 1(== EPERM).
   7044 	 * On NetBSD9, I decided to return ENODEV.
   7045 	 */
   7046 	if (netbsd < 8) {
   7047 		XP_SYS_NG(1/*EPERM*/, r);
   7048 	} else {
   7049 		XP_SYS_NG(ENODEV, r);
   7050 	}
   7051 
   7052 	r = CLOSE(fd);
   7053 	XP_SYS_EQ(0, r);
   7054 }
   7055 
   7056 
   7057 /*
   7058  * This table is processed by t_audio.awk!
   7059  * Keep /^\tENT(testname),/ format in order to add to atf.
   7060  */
   7061 #define ENT(x) { #x, test__ ## x }
   7062 struct testentry testtable[] = {
   7063 	ENT(open_mode_RDONLY),
   7064 	ENT(open_mode_WRONLY),
   7065 	ENT(open_mode_RDWR),
   7066 	ENT(open_audio_RDONLY),
   7067 	ENT(open_audio_WRONLY),
   7068 	ENT(open_audio_RDWR),
   7069 	ENT(open_sound_RDONLY),
   7070 	ENT(open_sound_WRONLY),
   7071 	ENT(open_sound_RDWR),
   7072 	ENT(open_audioctl_RDONLY),
   7073 	ENT(open_audioctl_WRONLY),
   7074 	ENT(open_audioctl_RDWR),
   7075 	ENT(open_sound_sticky),
   7076 	ENT(open_audioctl_sticky),
   7077 	ENT(open_simul_RDONLY_RDONLY),
   7078 	ENT(open_simul_RDONLY_WRONLY),
   7079 	ENT(open_simul_RDONLY_RDWR),
   7080 	ENT(open_simul_WRONLY_RDONLY),
   7081 	ENT(open_simul_WRONLY_WRONLY),
   7082 	ENT(open_simul_WRONLY_RDWR),
   7083 	ENT(open_simul_RDWR_RDONLY),
   7084 	ENT(open_simul_RDWR_WRONLY),
   7085 	ENT(open_simul_RDWR_RDWR),
   7086 /**/	ENT(open_multiuser_0),		// XXX TODO sysctl
   7087 /**/	ENT(open_multiuser_1),		// XXX TODO sysctl
   7088 	ENT(write_PLAY_ALL),
   7089 	ENT(write_PLAY),
   7090 	ENT(read),
   7091 	ENT(rept_write),
   7092 	ENT(rept_read),
   7093 	ENT(rdwr_fallback_RDONLY),
   7094 	ENT(rdwr_fallback_WRONLY),
   7095 	ENT(rdwr_fallback_RDWR),
   7096 	ENT(rdwr_two_RDONLY_RDONLY),
   7097 	ENT(rdwr_two_RDONLY_WRONLY),
   7098 	ENT(rdwr_two_RDONLY_RDWR),
   7099 	ENT(rdwr_two_WRONLY_RDONLY),
   7100 	ENT(rdwr_two_WRONLY_WRONLY),
   7101 	ENT(rdwr_two_WRONLY_RDWR),
   7102 	ENT(rdwr_two_RDWR_RDONLY),
   7103 	ENT(rdwr_two_RDWR_WRONLY),
   7104 	ENT(rdwr_two_RDWR_RDWR),
   7105 	ENT(rdwr_simul),
   7106 	ENT(drain_incomplete),
   7107 	ENT(drain_pause),
   7108 	ENT(drain_onrec),
   7109 /**/	ENT(mmap_mode_RDONLY_NONE),	// XXX rump doesn't supprot mmap
   7110 /**/	ENT(mmap_mode_RDONLY_READ),	// XXX rump doesn't supprot mmap
   7111 /**/	ENT(mmap_mode_RDONLY_WRITE),	// XXX rump doesn't supprot mmap
   7112 /**/	ENT(mmap_mode_RDONLY_READWRITE),// XXX rump doesn't supprot mmap
   7113 /**/	ENT(mmap_mode_WRONLY_NONE),	// XXX rump doesn't supprot mmap
   7114 /**/	ENT(mmap_mode_WRONLY_READ),	// XXX rump doesn't supprot mmap
   7115 /**/	ENT(mmap_mode_WRONLY_WRITE),	// XXX rump doesn't supprot mmap
   7116 /**/	ENT(mmap_mode_WRONLY_READWRITE),// XXX rump doesn't supprot mmap
   7117 /**/	ENT(mmap_mode_RDWR_NONE),	// XXX rump doesn't supprot mmap
   7118 /**/	ENT(mmap_mode_RDWR_READ),	// XXX rump doesn't supprot mmap
   7119 /**/	ENT(mmap_mode_RDWR_WRITE),	// XXX rump doesn't supprot mmap
   7120 /**/	ENT(mmap_mode_RDWR_READWRITE),	// XXX rump doesn't supprot mmap
   7121 /**/	ENT(mmap_len_0),		// XXX rump doesn't supprot mmap
   7122 /**/	ENT(mmap_len_1),		// XXX rump doesn't supprot mmap
   7123 /**/	ENT(mmap_len_2),		// XXX rump doesn't supprot mmap
   7124 /**/	ENT(mmap_len_3),		// XXX rump doesn't supprot mmap
   7125 /**/	ENT(mmap_len_4),		// XXX rump doesn't supprot mmap
   7126 /**/	ENT(mmap_len_5),		// XXX rump doesn't supprot mmap
   7127 /**/	ENT(mmap_len_6),		// XXX rump doesn't supprot mmap
   7128 /**/	ENT(mmap_len_7),		// XXX rump doesn't supprot mmap
   7129 /**/	ENT(mmap_len_8),		// XXX rump doesn't supprot mmap
   7130 /**/	ENT(mmap_twice),		// XXX rump doesn't supprot mmap
   7131 /**/	ENT(mmap_multi),		// XXX rump doesn't supprot mmap
   7132 	ENT(poll_mode_RDONLY_IN),
   7133 	ENT(poll_mode_RDONLY_OUT),
   7134 	ENT(poll_mode_RDONLY_INOUT),
   7135 	ENT(poll_mode_WRONLY_IN),
   7136 	ENT(poll_mode_WRONLY_OUT),
   7137 	ENT(poll_mode_WRONLY_INOUT),
   7138 	ENT(poll_mode_RDWR_IN),
   7139 	ENT(poll_mode_RDWR_OUT),
   7140 	ENT(poll_mode_RDWR_INOUT),
   7141 	ENT(poll_out_empty),
   7142 	ENT(poll_out_full),
   7143 	ENT(poll_out_hiwat),
   7144 /**/	ENT(poll_out_unpause),		// XXX does not seem to work on rump
   7145 /**/	ENT(poll_out_simul),		// XXX does not seem to work on rump
   7146 	ENT(poll_in_open_audio),
   7147 	ENT(poll_in_open_sound),
   7148 	ENT(poll_in_open_audioctl),
   7149 	ENT(poll_in_simul),
   7150 	ENT(kqueue_mode_RDONLY_READ),
   7151 	ENT(kqueue_mode_RDONLY_WRITE),
   7152 	ENT(kqueue_mode_WRONLY_READ),
   7153 	ENT(kqueue_mode_WRONLY_WRITE),
   7154 	ENT(kqueue_mode_RDWR_READ),
   7155 	ENT(kqueue_mode_RDWR_WRITE),
   7156 	ENT(kqueue_empty),
   7157 	ENT(kqueue_full),
   7158 	ENT(kqueue_hiwat),
   7159 /**/	ENT(kqueue_unpause),		// XXX does not seem to work on rump
   7160 /**/	ENT(kqueue_simul),		// XXX does not seem to work on rump
   7161 	ENT(ioctl_while_write),
   7162 	ENT(FIOASYNC_reset),
   7163 	ENT(FIOASYNC_play_signal),
   7164 	ENT(FIOASYNC_rec_signal),
   7165 /**/	ENT(FIOASYNC_multi),		// XXX does not seem to work on rump
   7166 	ENT(AUDIO_WSEEK),
   7167 	ENT(AUDIO_SETFD_RDONLY),
   7168 	ENT(AUDIO_SETFD_WRONLY),
   7169 	ENT(AUDIO_SETFD_RDWR),
   7170 	ENT(AUDIO_GETINFO_eof),
   7171 	ENT(AUDIO_SETINFO_mode_RDONLY_0),
   7172 	ENT(AUDIO_SETINFO_mode_RDONLY_1),
   7173 	ENT(AUDIO_SETINFO_mode_RDONLY_2),
   7174 	ENT(AUDIO_SETINFO_mode_RDONLY_3),
   7175 	ENT(AUDIO_SETINFO_mode_RDONLY_4),
   7176 	ENT(AUDIO_SETINFO_mode_RDONLY_5),
   7177 	ENT(AUDIO_SETINFO_mode_RDONLY_6),
   7178 	ENT(AUDIO_SETINFO_mode_RDONLY_7),
   7179 	ENT(AUDIO_SETINFO_mode_RDONLY_8),
   7180 	ENT(AUDIO_SETINFO_mode_WRONLY_0),
   7181 	ENT(AUDIO_SETINFO_mode_WRONLY_1),
   7182 	ENT(AUDIO_SETINFO_mode_WRONLY_2),
   7183 	ENT(AUDIO_SETINFO_mode_WRONLY_3),
   7184 	ENT(AUDIO_SETINFO_mode_WRONLY_4),
   7185 	ENT(AUDIO_SETINFO_mode_WRONLY_5),
   7186 	ENT(AUDIO_SETINFO_mode_WRONLY_6),
   7187 	ENT(AUDIO_SETINFO_mode_WRONLY_7),
   7188 	ENT(AUDIO_SETINFO_mode_WRONLY_8),
   7189 	ENT(AUDIO_SETINFO_mode_RDWR_0),
   7190 	ENT(AUDIO_SETINFO_mode_RDWR_1),
   7191 	ENT(AUDIO_SETINFO_mode_RDWR_2),
   7192 	ENT(AUDIO_SETINFO_mode_RDWR_3),
   7193 	ENT(AUDIO_SETINFO_mode_RDWR_4),
   7194 	ENT(AUDIO_SETINFO_mode_RDWR_5),
   7195 	ENT(AUDIO_SETINFO_mode_RDWR_6),
   7196 	ENT(AUDIO_SETINFO_mode_RDWR_7),
   7197 	ENT(AUDIO_SETINFO_mode_RDWR_8),
   7198 	ENT(AUDIO_SETINFO_params_set_RDONLY_0),
   7199 	ENT(AUDIO_SETINFO_params_set_RDONLY_1),
   7200 	ENT(AUDIO_SETINFO_params_set_WRONLY_0),
   7201 	ENT(AUDIO_SETINFO_params_set_WRONLY_1),
   7202 	ENT(AUDIO_SETINFO_params_set_WRONLY_2),
   7203 	ENT(AUDIO_SETINFO_params_set_WRONLY_3),
   7204 	ENT(AUDIO_SETINFO_params_set_RDWR_0),
   7205 	ENT(AUDIO_SETINFO_params_set_RDWR_1),
   7206 	ENT(AUDIO_SETINFO_params_set_RDWR_2),
   7207 	ENT(AUDIO_SETINFO_params_set_RDWR_3),
   7208 	ENT(AUDIO_SETINFO_params_simul),
   7209 	ENT(AUDIO_SETINFO_channels),
   7210 	ENT(AUDIO_SETINFO_sample_rate),
   7211 	ENT(AUDIO_SETINFO_sample_rate_0),
   7212 	ENT(AUDIO_SETINFO_pause_RDONLY_0),
   7213 	ENT(AUDIO_SETINFO_pause_RDONLY_1),
   7214 	ENT(AUDIO_SETINFO_pause_WRONLY_0),
   7215 	ENT(AUDIO_SETINFO_pause_WRONLY_1),
   7216 	ENT(AUDIO_SETINFO_pause_WRONLY_2),
   7217 	ENT(AUDIO_SETINFO_pause_WRONLY_3),
   7218 	ENT(AUDIO_SETINFO_pause_RDWR_0),
   7219 	ENT(AUDIO_SETINFO_pause_RDWR_1),
   7220 	ENT(AUDIO_SETINFO_pause_RDWR_2),
   7221 	ENT(AUDIO_SETINFO_pause_RDWR_3),
   7222 	ENT(AUDIO_SETINFO_gain),
   7223 	ENT(AUDIO_SETINFO_gain_balance),
   7224 	ENT(AUDIO_GETENC_range),
   7225 	ENT(AUDIO_GETENC_error),
   7226 	ENT(AUDIO_ERROR_RDONLY),
   7227 	ENT(AUDIO_ERROR_WRONLY),
   7228 	ENT(AUDIO_ERROR_RDWR),
   7229 	ENT(AUDIO_GETIOFFS_one_RDONLY),
   7230 	ENT(AUDIO_GETIOFFS_one_WRONLY),
   7231 	ENT(AUDIO_GETIOFFS_one_RDWR),
   7232 	ENT(AUDIO_GETOOFFS_one_RDONLY),
   7233 	ENT(AUDIO_GETOOFFS_one_WRONLY),
   7234 	ENT(AUDIO_GETOOFFS_one_RDWR),
   7235 	ENT(AUDIO_GETOOFFS_wrap_RDONLY),
   7236 	ENT(AUDIO_GETOOFFS_wrap_WRONLY),
   7237 	ENT(AUDIO_GETOOFFS_wrap_RDWR),
   7238 	ENT(AUDIO_GETOOFFS_flush_RDONLY),
   7239 	ENT(AUDIO_GETOOFFS_flush_WRONLY),
   7240 	ENT(AUDIO_GETOOFFS_flush_RDWR),
   7241 	ENT(AUDIO_GETOOFFS_set_RDONLY),
   7242 	ENT(AUDIO_GETOOFFS_set_WRONLY),
   7243 	ENT(AUDIO_GETOOFFS_set_RDWR),
   7244 	ENT(audioctl_open_1_RDONLY_RDONLY),
   7245 	ENT(audioctl_open_1_RDONLY_RWONLY),
   7246 	ENT(audioctl_open_1_RDONLY_RDWR),
   7247 	ENT(audioctl_open_1_WRONLY_RDONLY),
   7248 	ENT(audioctl_open_1_WRONLY_RWONLY),
   7249 	ENT(audioctl_open_1_WRONLY_RDWR),
   7250 	ENT(audioctl_open_1_RDWR_RDONLY),
   7251 	ENT(audioctl_open_1_RDWR_RWONLY),
   7252 	ENT(audioctl_open_1_RDWR_RDWR),
   7253 	ENT(audioctl_open_2_RDONLY_RDONLY),
   7254 	ENT(audioctl_open_2_RDONLY_RWONLY),
   7255 	ENT(audioctl_open_2_RDONLY_RDWR),
   7256 	ENT(audioctl_open_2_WRONLY_RDONLY),
   7257 	ENT(audioctl_open_2_WRONLY_RWONLY),
   7258 	ENT(audioctl_open_2_WRONLY_RDWR),
   7259 	ENT(audioctl_open_2_RDWR_RDONLY),
   7260 	ENT(audioctl_open_2_RDWR_RWONLY),
   7261 	ENT(audioctl_open_2_RDWR_RDWR),
   7262 	ENT(audioctl_open_simul),
   7263 /**/	ENT(audioctl_open_multiuser0_audio1),	// XXX TODO sysctl
   7264 /**/	ENT(audioctl_open_multiuser1_audio1),	// XXX TODO sysctl
   7265 /**/	ENT(audioctl_open_multiuser0_audio2),	// XXX TODO sysctl
   7266 /**/	ENT(audioctl_open_multiuser1_audio2),	// XXX TODO sysctl
   7267 /**/	ENT(audioctl_open_multiuser0_audioctl),	// XXX TODO sysctl
   7268 /**/	ENT(audioctl_open_multiuser1_audioctl),	// XXX TODO sysctl
   7269 	ENT(audioctl_rw_RDONLY),
   7270 	ENT(audioctl_rw_WRONLY),
   7271 	ENT(audioctl_rw_RDWR),
   7272 	ENT(audioctl_poll),
   7273 	ENT(audioctl_kqueue),
   7274 	{.name = NULL},
   7275 };
   7276