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https://github.com/freebsd/freebsd-src
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2668e76d6e
Test whether the SNDSTIOC_ADD_USER_DEVS IOCTL (registers a userland device to /dev/sndstat) works properly. Sponsored by: The FreeBSD Foundation MFC after: 2 days Reviewed by: dev_submerge.ch Differential Revision: https://reviews.freebsd.org/D46228
394 lines
11 KiB
C
394 lines
11 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2024 The FreeBSD Foundation
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*
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* This software was developed by Christos Margiolis <christos@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/linker.h>
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#include <sys/nv.h>
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#include <sys/sndstat.h>
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#include <sys/soundcard.h>
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#include <atf-c.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <unistd.h>
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static void
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load_dummy(void)
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{
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if (kldload("snd_dummy.ko") < 0 && errno != EEXIST)
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atf_tc_skip("snd_dummy.ko not found");
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}
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ATF_TC(sndstat_nv);
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ATF_TC_HEAD(sndstat_nv, tc)
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{
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atf_tc_set_md_var(tc, "descr", "/dev/sndstat nvlist test");
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}
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ATF_TC_BODY(sndstat_nv, tc)
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{
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nvlist_t *nvl;
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const nvlist_t * const *di;
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const nvlist_t * const *cdi;
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struct sndstioc_nv_arg arg;
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size_t nitems, nchans, i, j;
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int fd, rc, pchan, rchan;
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load_dummy();
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if ((fd = open("/dev/sndstat", O_RDONLY)) < 0)
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atf_tc_skip("/dev/sndstat not found, load sound(4)");
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rc = ioctl(fd, SNDSTIOC_REFRESH_DEVS, NULL);
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ATF_REQUIRE_EQ(rc, 0);
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arg.nbytes = 0;
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arg.buf = NULL;
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rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
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ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#1) failed");
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arg.buf = malloc(arg.nbytes);
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ATF_REQUIRE(arg.buf != NULL);
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rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
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ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#2) failed");
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nvl = nvlist_unpack(arg.buf, arg.nbytes, 0);
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ATF_REQUIRE(nvl != NULL);
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if (nvlist_empty(nvl) || !nvlist_exists(nvl, SNDST_DSPS))
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atf_tc_skip("no soundcards attached");
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di = nvlist_get_nvlist_array(nvl, SNDST_DSPS, &nitems);
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for (i = 0; i < nitems; i++) {
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#define NV(type, item) do { \
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ATF_REQUIRE_MSG(nvlist_exists(di[i], SNDST_DSPS_ ## item), \
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"SNDST_DSPS_" #item " does not exist"); \
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nvlist_get_ ## type (di[i], SNDST_DSPS_ ## item); \
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} while (0)
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NV(string, NAMEUNIT);
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NV(bool, FROM_USER);
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NV(string, DEVNODE);
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NV(string, DESC);
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NV(string, PROVIDER);
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NV(number, PCHAN);
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NV(number, RCHAN);
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#undef NV
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/* Cannot asign using the macro. */
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pchan = nvlist_get_number(di[i], SNDST_DSPS_PCHAN);
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rchan = nvlist_get_number(di[i], SNDST_DSPS_RCHAN);
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if (pchan && !nvlist_exists(di[i], SNDST_DSPS_INFO_PLAY))
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atf_tc_fail("playback channel list empty");
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if (rchan && !nvlist_exists(di[i], SNDST_DSPS_INFO_REC))
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atf_tc_fail("recording channel list empty");
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#define NV(type, mode, item) do { \
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ATF_REQUIRE_MSG(nvlist_exists(nvlist_get_nvlist(di[i], \
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SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item), \
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"SNDST_DSPS_INFO_" #item " does not exist"); \
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nvlist_get_ ## type (nvlist_get_nvlist(di[i], \
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SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item); \
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} while (0)
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if (pchan) {
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NV(number, PLAY, MIN_RATE);
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NV(number, PLAY, MAX_RATE);
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NV(number, PLAY, FORMATS);
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NV(number, PLAY, MIN_CHN);
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NV(number, PLAY, MAX_CHN);
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}
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if (rchan) {
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NV(number, REC, MIN_RATE);
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NV(number, REC, MAX_RATE);
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NV(number, REC, FORMATS);
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NV(number, REC, MIN_CHN);
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NV(number, REC, MAX_CHN);
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}
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#undef NV
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if (!nvlist_exists(di[i], SNDST_DSPS_PROVIDER_INFO))
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continue;
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#define NV(type, item) do { \
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ATF_REQUIRE_MSG(nvlist_exists(nvlist_get_nvlist(di[i], \
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SNDST_DSPS_PROVIDER_INFO), SNDST_DSPS_SOUND4_ ## item), \
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"SNDST_DSPS_SOUND4_" #item " does not exist"); \
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nvlist_get_ ## type (nvlist_get_nvlist(di[i], \
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SNDST_DSPS_PROVIDER_INFO), SNDST_DSPS_SOUND4_ ## item); \
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} while (0)
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NV(number, UNIT);
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NV(string, STATUS);
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NV(bool, BITPERFECT);
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NV(number, PVCHAN);
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NV(number, PVCHANRATE);
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NV(number, PVCHANFORMAT);
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NV(number, RVCHAN);
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NV(number, PVCHANRATE);
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NV(number, PVCHANFORMAT);
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#undef NV
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if (!nvlist_exists(nvlist_get_nvlist(di[i],
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SNDST_DSPS_PROVIDER_INFO), SNDST_DSPS_SOUND4_CHAN_INFO))
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atf_tc_fail("channel info list empty");
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cdi = nvlist_get_nvlist_array(
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nvlist_get_nvlist(di[i], SNDST_DSPS_PROVIDER_INFO),
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SNDST_DSPS_SOUND4_CHAN_INFO, &nchans);
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for (j = 0; j < nchans; j++) {
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#define NV(type, item) do { \
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ATF_REQUIRE_MSG(nvlist_exists(cdi[j], SNDST_DSPS_SOUND4_CHAN_ ## item), \
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"SNDST_DSPS_SOUND4_CHAN_" #item " does not exist"); \
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nvlist_get_ ## type (cdi[j], SNDST_DSPS_SOUND4_CHAN_ ## item); \
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} while (0)
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NV(string, NAME);
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NV(string, PARENTCHAN);
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NV(number, UNIT);
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NV(number, CAPS);
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NV(number, LATENCY);
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NV(number, RATE);
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NV(number, FORMAT);
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NV(number, PID);
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NV(string, COMM);
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NV(number, INTR);
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NV(number, XRUNS);
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NV(number, FEEDCNT);
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NV(number, LEFTVOL);
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NV(number, RIGHTVOL);
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NV(number, HWBUF_FORMAT);
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NV(number, HWBUF_SIZE);
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NV(number, HWBUF_BLKSZ);
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NV(number, HWBUF_BLKCNT);
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NV(number, HWBUF_FREE);
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NV(number, HWBUF_READY);
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NV(number, SWBUF_FORMAT);
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NV(number, SWBUF_SIZE);
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NV(number, SWBUF_BLKSZ);
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NV(number, SWBUF_BLKCNT);
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NV(number, SWBUF_FREE);
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NV(number, SWBUF_READY);
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NV(string, FEEDERCHAIN);
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#undef NV
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}
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}
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free(arg.buf);
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nvlist_destroy(nvl);
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close(fd);
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}
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#define UDEV_PROVIDER "sndstat_udev"
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#define UDEV_NAMEUNIT "sndstat_udev"
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#define UDEV_DEVNODE "sndstat_udev"
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#define UDEV_DESC "Test Device"
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#define UDEV_PCHAN 1
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#define UDEV_RCHAN 1
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#define UDEV_MIN_RATE 8000
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#define UDEV_MAX_RATE 96000
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#define UDEV_FORMATS (AFMT_S16_NE | AFMT_S24_NE | AFMT_S32_NE)
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#define UDEV_MIN_CHN 1
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#define UDEV_MAX_CHN 2
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ATF_TC(sndstat_udev);
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ATF_TC_HEAD(sndstat_udev, tc)
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{
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atf_tc_set_md_var(tc, "descr", "/dev/sndstat userdev interface test");
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}
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ATF_TC_BODY(sndstat_udev, tc)
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{
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nvlist_t *nvl, *di, *dichild;
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const nvlist_t * const *rdi;
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struct sndstioc_nv_arg arg;
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const char *str;
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size_t nitems, i;
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int fd, rc, pchan, rchan, n;
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load_dummy();
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if ((fd = open("/dev/sndstat", O_RDWR)) < 0)
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atf_tc_skip("/dev/sndstat not found, load sound(4)");
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nvl = nvlist_create(0);
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ATF_REQUIRE(nvl != NULL);
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di = nvlist_create(0);
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ATF_REQUIRE(di != NULL);
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dichild = nvlist_create(0);
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ATF_REQUIRE(dichild != NULL);
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nvlist_add_string(di, SNDST_DSPS_PROVIDER, UDEV_PROVIDER);
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nvlist_add_string(di, SNDST_DSPS_NAMEUNIT, UDEV_NAMEUNIT);
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nvlist_add_string(di, SNDST_DSPS_DESC, UDEV_DESC);
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nvlist_add_string(di, SNDST_DSPS_DEVNODE, UDEV_DEVNODE);
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nvlist_add_number(di, SNDST_DSPS_PCHAN, UDEV_PCHAN);
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nvlist_add_number(di, SNDST_DSPS_RCHAN, UDEV_RCHAN);
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nvlist_add_number(dichild, SNDST_DSPS_INFO_MIN_RATE, UDEV_MIN_RATE);
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nvlist_add_number(dichild, SNDST_DSPS_INFO_MAX_RATE, UDEV_MAX_RATE);
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nvlist_add_number(dichild, SNDST_DSPS_INFO_FORMATS, UDEV_FORMATS);
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nvlist_add_number(dichild, SNDST_DSPS_INFO_MIN_CHN, UDEV_MIN_CHN);
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nvlist_add_number(dichild, SNDST_DSPS_INFO_MAX_CHN, UDEV_MAX_CHN);
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nvlist_add_nvlist(di, SNDST_DSPS_INFO_PLAY, dichild);
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nvlist_add_nvlist(di, SNDST_DSPS_INFO_REC, dichild);
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nvlist_append_nvlist_array(nvl, SNDST_DSPS, di);
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ATF_REQUIRE_EQ(nvlist_error(nvl), 0);
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arg.buf = nvlist_pack(nvl, &arg.nbytes);
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ATF_REQUIRE_MSG(arg.buf != NULL, "failed to pack nvlist");
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rc = ioctl(fd, SNDSTIOC_ADD_USER_DEVS, &arg);
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free(arg.buf);
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ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_ADD_USER_DEVS) failed");
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nvlist_destroy(di);
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nvlist_destroy(dichild);
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nvlist_destroy(nvl);
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/* Read back registered values. */
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rc = ioctl(fd, SNDSTIOC_REFRESH_DEVS, NULL);
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ATF_REQUIRE_EQ(rc, 0);
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arg.nbytes = 0;
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arg.buf = NULL;
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rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
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ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#1) failed");
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arg.buf = malloc(arg.nbytes);
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ATF_REQUIRE(arg.buf != NULL);
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rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
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ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#2) failed");
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nvl = nvlist_unpack(arg.buf, arg.nbytes, 0);
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ATF_REQUIRE(nvl != NULL);
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if (nvlist_empty(nvl) || !nvlist_exists(nvl, SNDST_DSPS))
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atf_tc_skip("no soundcards attached");
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rdi = nvlist_get_nvlist_array(nvl, SNDST_DSPS, &nitems);
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for (i = 0; i < nitems; i++) {
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#define NV(type, item, var) do { \
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ATF_REQUIRE_MSG(nvlist_exists(rdi[i], SNDST_DSPS_ ## item), \
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"SNDST_DSPS_" #item " does not exist"); \
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var = nvlist_get_ ## type (rdi[i], SNDST_DSPS_ ## item); \
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} while (0)
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/* Search for our device. */
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NV(string, NAMEUNIT, str);
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if (strcmp(str, UDEV_NAMEUNIT) == 0)
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break;
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}
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if (i == nitems)
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atf_tc_fail("userland device %s not found", UDEV_NAMEUNIT);
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NV(string, NAMEUNIT, str);
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ATF_CHECK(strcmp(str, UDEV_NAMEUNIT) == 0);
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NV(bool, FROM_USER, n);
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ATF_CHECK(n);
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NV(string, DEVNODE, str);
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ATF_CHECK(strcmp(str, UDEV_DEVNODE) == 0);
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NV(string, DESC, str);
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ATF_CHECK(strcmp(str, UDEV_DESC) == 0);
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NV(string, PROVIDER, str);
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ATF_CHECK(strcmp(str, UDEV_PROVIDER) == 0);
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NV(number, PCHAN, pchan);
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ATF_CHECK(pchan == UDEV_PCHAN);
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if (pchan && !nvlist_exists(rdi[i], SNDST_DSPS_INFO_PLAY))
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atf_tc_fail("playback channel list empty");
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NV(number, RCHAN, rchan);
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ATF_CHECK(rchan == UDEV_RCHAN);
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if (rchan && !nvlist_exists(rdi[i], SNDST_DSPS_INFO_REC))
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atf_tc_fail("recording channel list empty");
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#undef NV
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#define NV(type, mode, item, var) do { \
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ATF_REQUIRE_MSG(nvlist_exists(nvlist_get_nvlist(rdi[i], \
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SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item), \
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"SNDST_DSPS_INFO_" #item " does not exist"); \
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var = nvlist_get_ ## type (nvlist_get_nvlist(rdi[i], \
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SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item); \
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} while (0)
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if (pchan) {
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NV(number, PLAY, MIN_RATE, n);
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ATF_CHECK(n == UDEV_MIN_RATE);
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NV(number, PLAY, MAX_RATE, n);
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ATF_CHECK(n == UDEV_MAX_RATE);
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NV(number, PLAY, FORMATS, n);
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ATF_CHECK(n == UDEV_FORMATS);
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NV(number, PLAY, MIN_CHN, n);
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ATF_CHECK(n == UDEV_MIN_CHN);
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NV(number, PLAY, MAX_CHN, n);
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ATF_CHECK(n == UDEV_MAX_CHN);
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}
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if (rchan) {
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NV(number, REC, MIN_RATE, n);
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ATF_CHECK(n == UDEV_MIN_RATE);
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NV(number, REC, MAX_RATE, n);
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ATF_CHECK(n == UDEV_MAX_RATE);
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NV(number, REC, FORMATS, n);
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ATF_CHECK(n == UDEV_FORMATS);
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NV(number, REC, MIN_CHN, n);
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ATF_CHECK(n == UDEV_MIN_CHN);
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NV(number, REC, MAX_CHN, n);
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ATF_CHECK(n == UDEV_MAX_CHN);
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}
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#undef NV
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free(arg.buf);
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nvlist_destroy(nvl);
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close(fd);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, sndstat_nv);
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ATF_TP_ADD_TC(tp, sndstat_udev);
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return (atf_no_error());
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}
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