xref: /freebsd/tests/sys/sound/sndstat.c (revision 7fdf597e96a02165cfe22ff357b857d5fa15ed8a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2024 The FreeBSD Foundation
5  *
6  * This software was developed by Christos Margiolis <christos@FreeBSD.org>
7  * under sponsorship from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30 
31 #include <sys/param.h>
32 #include <sys/linker.h>
33 #include <sys/nv.h>
34 #include <sys/sndstat.h>
35 #include <sys/soundcard.h>
36 
37 #include <atf-c.h>
38 #include <errno.h>
39 #include <fcntl.h>
40 #include <stdlib.h>
41 #include <unistd.h>
42 
43 static void
44 load_dummy(void)
45 {
46 	if (kldload("snd_dummy.ko") < 0 && errno != EEXIST)
47 		atf_tc_skip("snd_dummy.ko not found");
48 }
49 
50 ATF_TC(sndstat_nv);
51 ATF_TC_HEAD(sndstat_nv, tc)
52 {
53 	atf_tc_set_md_var(tc, "descr", "/dev/sndstat nvlist test");
54 }
55 
56 ATF_TC_BODY(sndstat_nv, tc)
57 {
58 	nvlist_t *nvl;
59 	const nvlist_t * const *di;
60 	const nvlist_t * const *cdi;
61 	struct sndstioc_nv_arg arg;
62 	size_t nitems, nchans, i, j;
63 	int fd, rc, pchan, rchan;
64 
65 	load_dummy();
66 
67 	if ((fd = open("/dev/sndstat", O_RDONLY)) < 0)
68 		atf_tc_skip("/dev/sndstat not found, load sound(4)");
69 
70 	rc = ioctl(fd, SNDSTIOC_REFRESH_DEVS, NULL);
71 	ATF_REQUIRE_EQ(rc, 0);
72 
73 	arg.nbytes = 0;
74 	arg.buf = NULL;
75 	rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
76 	ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#1) failed");
77 
78 	arg.buf = malloc(arg.nbytes);
79 	ATF_REQUIRE(arg.buf != NULL);
80 
81 	rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
82 	ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#2) failed");
83 
84 	nvl = nvlist_unpack(arg.buf, arg.nbytes, 0);
85 	ATF_REQUIRE(nvl != NULL);
86 
87 	if (nvlist_empty(nvl) || !nvlist_exists(nvl, SNDST_DSPS))
88 		atf_tc_skip("no soundcards attached");
89 
90 	di = nvlist_get_nvlist_array(nvl, SNDST_DSPS, &nitems);
91 	for (i = 0; i < nitems; i++) {
92 #define NV(type, item)	do {						\
93 	ATF_REQUIRE_MSG(nvlist_exists(di[i], SNDST_DSPS_ ## item),	\
94 	    "SNDST_DSPS_" #item " does not exist");			\
95 	nvlist_get_ ## type (di[i], SNDST_DSPS_ ## item);		\
96 } while (0)
97 		NV(string, NAMEUNIT);
98 		NV(bool, FROM_USER);
99 		NV(string, DEVNODE);
100 		NV(string, DESC);
101 		NV(string, PROVIDER);
102 		NV(number, PCHAN);
103 		NV(number, RCHAN);
104 #undef NV
105 
106 		/* Cannot asign using the macro. */
107 		pchan = nvlist_get_number(di[i], SNDST_DSPS_PCHAN);
108 		rchan = nvlist_get_number(di[i], SNDST_DSPS_RCHAN);
109 
110 		if (pchan && !nvlist_exists(di[i], SNDST_DSPS_INFO_PLAY))
111 			atf_tc_fail("playback channel list empty");
112 		if (rchan && !nvlist_exists(di[i], SNDST_DSPS_INFO_REC))
113 			atf_tc_fail("recording channel list empty");
114 
115 #define NV(type, mode, item)	do {					\
116 	ATF_REQUIRE_MSG(nvlist_exists(nvlist_get_nvlist(di[i],		\
117 	    SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item),	\
118 	    "SNDST_DSPS_INFO_" #item " does not exist");		\
119 	nvlist_get_ ## type (nvlist_get_nvlist(di[i],			\
120 	    SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item);	\
121 } while (0)
122 		if (pchan) {
123 			NV(number, PLAY, MIN_RATE);
124 			NV(number, PLAY, MAX_RATE);
125 			NV(number, PLAY, FORMATS);
126 			NV(number, PLAY, MIN_CHN);
127 			NV(number, PLAY, MAX_CHN);
128 		}
129 		if (rchan) {
130 			NV(number, REC, MIN_RATE);
131 			NV(number, REC, MAX_RATE);
132 			NV(number, REC, FORMATS);
133 			NV(number, REC, MIN_CHN);
134 			NV(number, REC, MAX_CHN);
135 		}
136 #undef NV
137 
138 		if (!nvlist_exists(di[i], SNDST_DSPS_PROVIDER_INFO))
139 			continue;
140 
141 #define NV(type, item)	do {						\
142 	ATF_REQUIRE_MSG(nvlist_exists(nvlist_get_nvlist(di[i],		\
143 	    SNDST_DSPS_PROVIDER_INFO), SNDST_DSPS_SOUND4_ ## item),	\
144 	    "SNDST_DSPS_SOUND4_" #item " does not exist");		\
145 	nvlist_get_ ## type (nvlist_get_nvlist(di[i],			\
146 	    SNDST_DSPS_PROVIDER_INFO), SNDST_DSPS_SOUND4_ ## item);	\
147 } while (0)
148 		NV(number, UNIT);
149 		NV(string, STATUS);
150 		NV(bool, BITPERFECT);
151 		NV(number, PVCHAN);
152 		NV(number, PVCHANRATE);
153 		NV(number, PVCHANFORMAT);
154 		NV(number, RVCHAN);
155 		NV(number, PVCHANRATE);
156 		NV(number, PVCHANFORMAT);
157 #undef NV
158 
159 		if (!nvlist_exists(nvlist_get_nvlist(di[i],
160 		    SNDST_DSPS_PROVIDER_INFO), SNDST_DSPS_SOUND4_CHAN_INFO))
161 			atf_tc_fail("channel info list empty");
162 
163 		cdi = nvlist_get_nvlist_array(
164 		    nvlist_get_nvlist(di[i], SNDST_DSPS_PROVIDER_INFO),
165 		    SNDST_DSPS_SOUND4_CHAN_INFO, &nchans);
166 		for (j = 0; j < nchans; j++) {
167 #define NV(type, item)	do {							\
168 	ATF_REQUIRE_MSG(nvlist_exists(cdi[j], SNDST_DSPS_SOUND4_CHAN_ ## item),	\
169 	    "SNDST_DSPS_SOUND4_CHAN_" #item " does not exist");			\
170 	nvlist_get_ ## type (cdi[j], SNDST_DSPS_SOUND4_CHAN_ ## item);		\
171 } while (0)
172 			NV(string, NAME);
173 			NV(string, PARENTCHAN);
174 			NV(number, UNIT);
175 			NV(number, CAPS);
176 			NV(number, LATENCY);
177 			NV(number, RATE);
178 			NV(number, FORMAT);
179 			NV(number, PID);
180 			NV(string, COMM);
181 			NV(number, INTR);
182 			NV(number, XRUNS);
183 			NV(number, FEEDCNT);
184 			NV(number, LEFTVOL);
185 			NV(number, RIGHTVOL);
186 			NV(number, HWBUF_FORMAT);
187 			NV(number, HWBUF_SIZE);
188 			NV(number, HWBUF_BLKSZ);
189 			NV(number, HWBUF_BLKCNT);
190 			NV(number, HWBUF_FREE);
191 			NV(number, HWBUF_READY);
192 			NV(number, SWBUF_FORMAT);
193 			NV(number, SWBUF_SIZE);
194 			NV(number, SWBUF_BLKSZ);
195 			NV(number, SWBUF_BLKCNT);
196 			NV(number, SWBUF_FREE);
197 			NV(number, SWBUF_READY);
198 			NV(string, FEEDERCHAIN);
199 #undef NV
200 		}
201 	}
202 
203 	free(arg.buf);
204 	nvlist_destroy(nvl);
205 	close(fd);
206 }
207 
208 #define UDEV_PROVIDER	"sndstat_udev"
209 #define UDEV_NAMEUNIT	"sndstat_udev"
210 #define UDEV_DEVNODE	"sndstat_udev"
211 #define UDEV_DESC	"Test Device"
212 #define UDEV_PCHAN	1
213 #define UDEV_RCHAN	1
214 #define UDEV_MIN_RATE	8000
215 #define UDEV_MAX_RATE	96000
216 #define UDEV_FORMATS	(AFMT_S16_NE | AFMT_S24_NE | AFMT_S32_NE)
217 #define UDEV_MIN_CHN	1
218 #define UDEV_MAX_CHN	2
219 
220 ATF_TC(sndstat_udev);
221 ATF_TC_HEAD(sndstat_udev, tc)
222 {
223 	atf_tc_set_md_var(tc, "descr", "/dev/sndstat userdev interface test");
224 }
225 
226 ATF_TC_BODY(sndstat_udev, tc)
227 {
228 	nvlist_t *nvl, *di, *dichild;
229 	const nvlist_t * const *rdi;
230 	struct sndstioc_nv_arg arg;
231 	const char *str;
232 	size_t nitems, i;
233 	int fd, rc, pchan, rchan, n;
234 
235 	load_dummy();
236 
237 	if ((fd = open("/dev/sndstat", O_RDWR)) < 0)
238 		atf_tc_skip("/dev/sndstat not found, load sound(4)");
239 
240 	nvl = nvlist_create(0);
241 	ATF_REQUIRE(nvl != NULL);
242 
243 	di = nvlist_create(0);
244 	ATF_REQUIRE(di != NULL);
245 
246 	dichild = nvlist_create(0);
247 	ATF_REQUIRE(dichild != NULL);
248 
249 	nvlist_add_string(di, SNDST_DSPS_PROVIDER, UDEV_PROVIDER);
250 	nvlist_add_string(di, SNDST_DSPS_NAMEUNIT, UDEV_NAMEUNIT);
251 	nvlist_add_string(di, SNDST_DSPS_DESC, UDEV_DESC);
252 	nvlist_add_string(di, SNDST_DSPS_DEVNODE, UDEV_DEVNODE);
253 	nvlist_add_number(di, SNDST_DSPS_PCHAN, UDEV_PCHAN);
254 	nvlist_add_number(di, SNDST_DSPS_RCHAN, UDEV_RCHAN);
255 
256 	nvlist_add_number(dichild, SNDST_DSPS_INFO_MIN_RATE, UDEV_MIN_RATE);
257 	nvlist_add_number(dichild, SNDST_DSPS_INFO_MAX_RATE, UDEV_MAX_RATE);
258 	nvlist_add_number(dichild, SNDST_DSPS_INFO_FORMATS, UDEV_FORMATS);
259 	nvlist_add_number(dichild, SNDST_DSPS_INFO_MIN_CHN, UDEV_MIN_CHN);
260 	nvlist_add_number(dichild, SNDST_DSPS_INFO_MAX_CHN, UDEV_MAX_CHN);
261 
262 	nvlist_add_nvlist(di, SNDST_DSPS_INFO_PLAY, dichild);
263 	nvlist_add_nvlist(di, SNDST_DSPS_INFO_REC, dichild);
264 
265 	nvlist_append_nvlist_array(nvl, SNDST_DSPS, di);
266 	ATF_REQUIRE_EQ(nvlist_error(nvl), 0);
267 
268 	arg.buf = nvlist_pack(nvl, &arg.nbytes);
269 	ATF_REQUIRE_MSG(arg.buf != NULL, "failed to pack nvlist");
270 
271 	rc = ioctl(fd, SNDSTIOC_ADD_USER_DEVS, &arg);
272 	free(arg.buf);
273 	ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_ADD_USER_DEVS) failed");
274 
275 	nvlist_destroy(di);
276 	nvlist_destroy(dichild);
277 	nvlist_destroy(nvl);
278 
279 	/* Read back registered values. */
280 	rc = ioctl(fd, SNDSTIOC_REFRESH_DEVS, NULL);
281 	ATF_REQUIRE_EQ(rc, 0);
282 
283 	arg.nbytes = 0;
284 	arg.buf = NULL;
285 	rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
286 	ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#1) failed");
287 
288 	arg.buf = malloc(arg.nbytes);
289 	ATF_REQUIRE(arg.buf != NULL);
290 
291 	rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
292 	ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#2) failed");
293 
294 	nvl = nvlist_unpack(arg.buf, arg.nbytes, 0);
295 	ATF_REQUIRE(nvl != NULL);
296 
297 	if (nvlist_empty(nvl) || !nvlist_exists(nvl, SNDST_DSPS))
298 		atf_tc_skip("no soundcards attached");
299 
300 	rdi = nvlist_get_nvlist_array(nvl, SNDST_DSPS, &nitems);
301 	for (i = 0; i < nitems; i++) {
302 #define NV(type, item, var)	do {					\
303 	ATF_REQUIRE_MSG(nvlist_exists(rdi[i], SNDST_DSPS_ ## item),	\
304 	    "SNDST_DSPS_" #item " does not exist");			\
305 	var = nvlist_get_ ## type (rdi[i], SNDST_DSPS_ ## item);	\
306 } while (0)
307 		/* Search for our device. */
308 		NV(string, NAMEUNIT, str);
309 		if (strcmp(str, UDEV_NAMEUNIT) == 0)
310 			break;
311 	}
312 	if (i == nitems)
313 		atf_tc_fail("userland device %s not found", UDEV_NAMEUNIT);
314 
315 	NV(string, NAMEUNIT, str);
316 	ATF_CHECK(strcmp(str, UDEV_NAMEUNIT) == 0);
317 
318 	NV(bool, FROM_USER, n);
319 	ATF_CHECK(n);
320 
321 	NV(string, DEVNODE, str);
322 	ATF_CHECK(strcmp(str, UDEV_DEVNODE) == 0);
323 
324 	NV(string, DESC, str);
325 	ATF_CHECK(strcmp(str, UDEV_DESC) == 0);
326 
327 	NV(string, PROVIDER, str);
328 	ATF_CHECK(strcmp(str, UDEV_PROVIDER) == 0);
329 
330 	NV(number, PCHAN, pchan);
331 	ATF_CHECK(pchan == UDEV_PCHAN);
332 	if (pchan && !nvlist_exists(rdi[i], SNDST_DSPS_INFO_PLAY))
333 		atf_tc_fail("playback channel list empty");
334 
335 	NV(number, RCHAN, rchan);
336 	ATF_CHECK(rchan == UDEV_RCHAN);
337 	if (rchan && !nvlist_exists(rdi[i], SNDST_DSPS_INFO_REC))
338 		atf_tc_fail("recording channel list empty");
339 #undef NV
340 
341 #define NV(type, mode, item, var)	do {				\
342 	ATF_REQUIRE_MSG(nvlist_exists(nvlist_get_nvlist(rdi[i],		\
343 	    SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item),	\
344 	    "SNDST_DSPS_INFO_" #item " does not exist");		\
345 	var = nvlist_get_ ## type (nvlist_get_nvlist(rdi[i],		\
346 	    SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item);	\
347 } while (0)
348 	if (pchan) {
349 		NV(number, PLAY, MIN_RATE, n);
350 		ATF_CHECK(n == UDEV_MIN_RATE);
351 
352 		NV(number, PLAY, MAX_RATE, n);
353 		ATF_CHECK(n == UDEV_MAX_RATE);
354 
355 		NV(number, PLAY, FORMATS, n);
356 		ATF_CHECK(n == UDEV_FORMATS);
357 
358 		NV(number, PLAY, MIN_CHN, n);
359 		ATF_CHECK(n == UDEV_MIN_CHN);
360 
361 		NV(number, PLAY, MAX_CHN, n);
362 		ATF_CHECK(n == UDEV_MAX_CHN);
363 	}
364 	if (rchan) {
365 		NV(number, REC, MIN_RATE, n);
366 		ATF_CHECK(n == UDEV_MIN_RATE);
367 
368 		NV(number, REC, MAX_RATE, n);
369 		ATF_CHECK(n == UDEV_MAX_RATE);
370 
371 		NV(number, REC, FORMATS, n);
372 		ATF_CHECK(n == UDEV_FORMATS);
373 
374 		NV(number, REC, MIN_CHN, n);
375 		ATF_CHECK(n == UDEV_MIN_CHN);
376 
377 		NV(number, REC, MAX_CHN, n);
378 		ATF_CHECK(n == UDEV_MAX_CHN);
379 	}
380 #undef NV
381 
382 	free(arg.buf);
383 	nvlist_destroy(nvl);
384 	close(fd);
385 }
386 
387 ATF_TP_ADD_TCS(tp)
388 {
389 	ATF_TP_ADD_TC(tp, sndstat_nv);
390 	ATF_TP_ADD_TC(tp, sndstat_udev);
391 
392 	return (atf_no_error());
393 }
394