The branch main has been updated by christos:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=2668e76d6e764c5c361156ffa3d39eb02ce8e5d9

commit 2668e76d6e764c5c361156ffa3d39eb02ce8e5d9
Author:     Christos Margiolis <[email protected]>
AuthorDate: 2024-08-24 12:07:29 +0000
Commit:     Christos Margiolis <[email protected]>
CommitDate: 2024-08-24 12:07:29 +0000

    sound tests: Add SNDSTIOC_ADD_USER_DEVS test
    
    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
---
 tests/sys/sound/sndstat.c | 187 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 183 insertions(+), 4 deletions(-)

diff --git a/tests/sys/sound/sndstat.c b/tests/sys/sound/sndstat.c
index 7c030dfa8b58..553c745ec950 100644
--- a/tests/sys/sound/sndstat.c
+++ b/tests/sys/sound/sndstat.c
@@ -30,8 +30,9 @@
 
 #include <sys/param.h>
 #include <sys/linker.h>
-#include <sys/sndstat.h>
 #include <sys/nv.h>
+#include <sys/sndstat.h>
+#include <sys/soundcard.h>
 
 #include <atf-c.h>
 #include <errno.h>
@@ -59,8 +60,7 @@ ATF_TC_BODY(sndstat_nv, tc)
        const nvlist_t * const *cdi;
        struct sndstioc_nv_arg arg;
        size_t nitems, nchans, i, j;
-       int fd, rc;
-       int pchan, rchan;
+       int fd, rc, pchan, rchan;
 
        load_dummy();
 
@@ -135,7 +135,6 @@ ATF_TC_BODY(sndstat_nv, tc)
                }
 #undef NV
 
-               /* XXX Do we need to skip the TC? userdevs won't have this list 
*/
                if (!nvlist_exists(di[i], SNDST_DSPS_PROVIDER_INFO))
                        continue;
 
@@ -206,9 +205,189 @@ ATF_TC_BODY(sndstat_nv, tc)
        close(fd);
 }
 
+#define UDEV_PROVIDER  "sndstat_udev"
+#define UDEV_NAMEUNIT  "sndstat_udev"
+#define UDEV_DEVNODE   "sndstat_udev"
+#define UDEV_DESC      "Test Device"
+#define UDEV_PCHAN     1
+#define UDEV_RCHAN     1
+#define UDEV_MIN_RATE  8000
+#define UDEV_MAX_RATE  96000
+#define UDEV_FORMATS   (AFMT_S16_NE | AFMT_S24_NE | AFMT_S32_NE)
+#define UDEV_MIN_CHN   1
+#define UDEV_MAX_CHN   2
+
+ATF_TC(sndstat_udev);
+ATF_TC_HEAD(sndstat_udev, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "/dev/sndstat userdev interface test");
+}
+
+ATF_TC_BODY(sndstat_udev, tc)
+{
+       nvlist_t *nvl, *di, *dichild;
+       const nvlist_t * const *rdi;
+       struct sndstioc_nv_arg arg;
+       const char *str;
+       size_t nitems, i;
+       int fd, rc, pchan, rchan, n;
+
+       load_dummy();
+
+       if ((fd = open("/dev/sndstat", O_RDWR)) < 0)
+               atf_tc_skip("/dev/sndstat not found, load sound(4)");
+
+       nvl = nvlist_create(0);
+       ATF_REQUIRE(nvl != NULL);
+
+       di = nvlist_create(0);
+       ATF_REQUIRE(di != NULL);
+
+       dichild = nvlist_create(0);
+       ATF_REQUIRE(dichild != NULL);
+
+       nvlist_add_string(di, SNDST_DSPS_PROVIDER, UDEV_PROVIDER);
+       nvlist_add_string(di, SNDST_DSPS_NAMEUNIT, UDEV_NAMEUNIT);
+       nvlist_add_string(di, SNDST_DSPS_DESC, UDEV_DESC);
+       nvlist_add_string(di, SNDST_DSPS_DEVNODE, UDEV_DEVNODE);
+       nvlist_add_number(di, SNDST_DSPS_PCHAN, UDEV_PCHAN);
+       nvlist_add_number(di, SNDST_DSPS_RCHAN, UDEV_RCHAN);
+
+       nvlist_add_number(dichild, SNDST_DSPS_INFO_MIN_RATE, UDEV_MIN_RATE);
+       nvlist_add_number(dichild, SNDST_DSPS_INFO_MAX_RATE, UDEV_MAX_RATE);
+       nvlist_add_number(dichild, SNDST_DSPS_INFO_FORMATS, UDEV_FORMATS);
+       nvlist_add_number(dichild, SNDST_DSPS_INFO_MIN_CHN, UDEV_MIN_CHN);
+       nvlist_add_number(dichild, SNDST_DSPS_INFO_MAX_CHN, UDEV_MAX_CHN);
+
+       nvlist_add_nvlist(di, SNDST_DSPS_INFO_PLAY, dichild);
+       nvlist_add_nvlist(di, SNDST_DSPS_INFO_REC, dichild);
+
+       nvlist_append_nvlist_array(nvl, SNDST_DSPS, di);
+       ATF_REQUIRE_EQ(nvlist_error(nvl), 0);
+
+       arg.buf = nvlist_pack(nvl, &arg.nbytes);
+       ATF_REQUIRE_MSG(arg.buf != NULL, "failed to pack nvlist");
+
+       rc = ioctl(fd, SNDSTIOC_ADD_USER_DEVS, &arg);
+       free(arg.buf);
+       ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_ADD_USER_DEVS) failed");
+
+       nvlist_destroy(di);
+       nvlist_destroy(dichild);
+       nvlist_destroy(nvl);
+
+       /* Read back registered values. */
+       rc = ioctl(fd, SNDSTIOC_REFRESH_DEVS, NULL);
+       ATF_REQUIRE_EQ(rc, 0);
+
+       arg.nbytes = 0;
+       arg.buf = NULL;
+       rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
+       ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#1) failed");
+
+       arg.buf = malloc(arg.nbytes);
+       ATF_REQUIRE(arg.buf != NULL);
+
+       rc = ioctl(fd, SNDSTIOC_GET_DEVS, &arg);
+       ATF_REQUIRE_EQ_MSG(rc, 0, "ioctl(SNDSTIOC_GET_DEVS#2) failed");
+
+       nvl = nvlist_unpack(arg.buf, arg.nbytes, 0);
+       ATF_REQUIRE(nvl != NULL);
+
+       if (nvlist_empty(nvl) || !nvlist_exists(nvl, SNDST_DSPS))
+               atf_tc_skip("no soundcards attached");
+
+       rdi = nvlist_get_nvlist_array(nvl, SNDST_DSPS, &nitems);
+       for (i = 0; i < nitems; i++) {
+#define NV(type, item, var)    do {                                    \
+       ATF_REQUIRE_MSG(nvlist_exists(rdi[i], SNDST_DSPS_ ## item),     \
+           "SNDST_DSPS_" #item " does not exist");                     \
+       var = nvlist_get_ ## type (rdi[i], SNDST_DSPS_ ## item);        \
+} while (0)
+               /* Search for our device. */
+               NV(string, NAMEUNIT, str);
+               if (strcmp(str, UDEV_NAMEUNIT) == 0)
+                       break;
+       }
+       if (i == nitems)
+               atf_tc_fail("userland device %s not found", UDEV_NAMEUNIT);
+
+       NV(string, NAMEUNIT, str);
+       ATF_CHECK(strcmp(str, UDEV_NAMEUNIT) == 0);
+
+       NV(bool, FROM_USER, n);
+       ATF_CHECK(n);
+
+       NV(string, DEVNODE, str);
+       ATF_CHECK(strcmp(str, UDEV_DEVNODE) == 0);
+
+       NV(string, DESC, str);
+       ATF_CHECK(strcmp(str, UDEV_DESC) == 0);
+
+       NV(string, PROVIDER, str);
+       ATF_CHECK(strcmp(str, UDEV_PROVIDER) == 0);
+
+       NV(number, PCHAN, pchan);
+       ATF_CHECK(pchan == UDEV_PCHAN);
+       if (pchan && !nvlist_exists(rdi[i], SNDST_DSPS_INFO_PLAY))
+               atf_tc_fail("playback channel list empty");
+
+       NV(number, RCHAN, rchan);
+       ATF_CHECK(rchan == UDEV_RCHAN);
+       if (rchan && !nvlist_exists(rdi[i], SNDST_DSPS_INFO_REC))
+               atf_tc_fail("recording channel list empty");
+#undef NV
+
+#define NV(type, mode, item, var)      do {                            \
+       ATF_REQUIRE_MSG(nvlist_exists(nvlist_get_nvlist(rdi[i],         \
+           SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item),       \
+           "SNDST_DSPS_INFO_" #item " does not exist");                \
+       var = nvlist_get_ ## type (nvlist_get_nvlist(rdi[i],            \
+           SNDST_DSPS_INFO_ ## mode), SNDST_DSPS_INFO_ ## item);       \
+} while (0)
+       if (pchan) {
+               NV(number, PLAY, MIN_RATE, n);
+               ATF_CHECK(n == UDEV_MIN_RATE);
+
+               NV(number, PLAY, MAX_RATE, n);
+               ATF_CHECK(n == UDEV_MAX_RATE);
+
+               NV(number, PLAY, FORMATS, n);
+               ATF_CHECK(n == UDEV_FORMATS);
+
+               NV(number, PLAY, MIN_CHN, n);
+               ATF_CHECK(n == UDEV_MIN_CHN);
+
+               NV(number, PLAY, MAX_CHN, n);
+               ATF_CHECK(n == UDEV_MAX_CHN);
+       }
+       if (rchan) {
+               NV(number, REC, MIN_RATE, n);
+               ATF_CHECK(n == UDEV_MIN_RATE);
+
+               NV(number, REC, MAX_RATE, n);
+               ATF_CHECK(n == UDEV_MAX_RATE);
+
+               NV(number, REC, FORMATS, n);
+               ATF_CHECK(n == UDEV_FORMATS);
+
+               NV(number, REC, MIN_CHN, n);
+               ATF_CHECK(n == UDEV_MIN_CHN);
+
+               NV(number, REC, MAX_CHN, n);
+               ATF_CHECK(n == UDEV_MAX_CHN);
+       }
+#undef NV
+
+       free(arg.buf);
+       nvlist_destroy(nvl);
+       close(fd);
+}
+
 ATF_TP_ADD_TCS(tp)
 {
        ATF_TP_ADD_TC(tp, sndstat_nv);
+       ATF_TP_ADD_TC(tp, sndstat_udev);
 
        return (atf_no_error());
 }

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