The branch main has been updated by christos:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=6d1cee1640e1c360917e483ece5ec1bde423b788

commit 6d1cee1640e1c360917e483ece5ec1bde423b788
Author:     Christos Margiolis <chris...@freebsd.org>
AuthorDate: 2024-03-29 15:29:43 +0000
Commit:     Christos Margiolis <chris...@freebsd.org>
CommitDate: 2024-03-29 15:29:43 +0000

    sound: Get rid of pcm/sndstat.h and turn macros into regular code
    
    There is no reason to have macros for this. Putting the code in
    sndstat_prepare_pcm() directly makes it easier to work with it.
    
    No functional change intended.
    
    Sponsored by:   The FreeBSD Foundation
    MFC after:      2 weeks
    Reviewed by:    markj
    Differential Revision:  https://reviews.freebsd.org/D44545
---
 sys/dev/sound/pcm/sndstat.h | 169 --------------------------------------------
 sys/dev/sound/pcm/sound.c   | 136 +++++++++++++++++++++++++++++++++--
 2 files changed, 132 insertions(+), 173 deletions(-)

diff --git a/sys/dev/sound/pcm/sndstat.h b/sys/dev/sound/pcm/sndstat.h
deleted file mode 100644
index 62722e560a54..000000000000
--- a/sys/dev/sound/pcm/sndstat.h
+++ /dev/null
@@ -1,169 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-2-Clause
- *
- * Copyright (c) 2007-2009 Ariff Abdullah <ar...@freebsd.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef _SND_SNDSTAT_H_
-#define _SND_SNDSTAT_H_
-
-#define SNDSTAT_PREPARE_PCM_ARGS                                       \
-       struct sbuf *s, device_t dev, int verbose
-
-#define SNDSTAT_PREPARE_PCM_BEGIN()    do {                            \
-       struct snddev_info *d;                                          \
-       struct pcm_channel *c;                                          \
-       struct pcm_feeder *f;                                           \
-                                                                       \
-       d = device_get_softc(dev);                                      \
-       PCM_BUSYASSERT(d);                                              \
-                                                                       \
-       if (CHN_EMPTY(d, channels.pcm)) {                               \
-               sbuf_printf(s, " (mixer only)");                        \
-               return (0);                                             \
-       }                                                               \
-                                                                       \
-       if (verbose < 1) {                                              \
-               sbuf_printf(s, " (%s%s%s",                              \
-                   d->playcount ? "play" : "",                         \
-                   (d->playcount && d->reccount) ? "/" : "",           \
-                   d->reccount ? "rec" : "");                          \
-       } else {                                                        \
-               sbuf_printf(s, " (%dp:%dv/%dr:%dv",                     \
-                   d->playcount, d->pvchancount,                       \
-                   d->reccount, d->rvchancount);                       \
-       }                                                               \
-       sbuf_printf(s, "%s)%s",                                         \
-           ((d->playcount != 0 && d->reccount != 0) &&                 \
-           (d->flags & SD_F_SIMPLEX)) ? " simplex" : "",               \
-           (device_get_unit(dev) == snd_unit) ? " default" : "")
-
-#define SNDSTAT_PREPARE_PCM_END()                                      \
-       if (verbose <= 1)                                               \
-               return (0);                                             \
-                                                                       \
-       sbuf_printf(s, "\n\t");                                         \
-       sbuf_printf(s, "snddev flags=0x%b", d->flags, SD_F_BITS);       \
-                                                                       \
-       CHN_FOREACH(c, d, channels.pcm) {                               \
-                                                                       \
-               KASSERT(c->bufhard != NULL && c->bufsoft != NULL,       \
-                   ("hosed pcm channel setup"));                       \
-                                                                       \
-               sbuf_printf(s, "\n\t");                                 \
-                                                                       \
-               sbuf_printf(s, "%s[%s]: ",                              \
-                   (c->parentchannel != NULL) ?                        \
-                   c->parentchannel->name : "", c->name);              \
-               sbuf_printf(s, "spd %d", c->speed);                     \
-               if (c->speed != sndbuf_getspd(c->bufhard))              \
-                       sbuf_printf(s, "/%d",                           \
-                           sndbuf_getspd(c->bufhard));                 \
-               sbuf_printf(s, ", fmt 0x%08x", c->format);              \
-               if (c->format != sndbuf_getfmt(c->bufhard))             \
-                       sbuf_printf(s, "/0x%08x",                       \
-                           sndbuf_getfmt(c->bufhard));                 \
-               sbuf_printf(s, ", flags 0x%08x, 0x%08x",                \
-                   c->flags, c->feederflags);                          \
-               if (c->pid != -1)                                       \
-                       sbuf_printf(s, ", pid %d (%s)",                 \
-                           c->pid, c->comm);                           \
-               sbuf_printf(s, "\n\t");                                 \
-                                                                       \
-               sbuf_printf(s, "interrupts %d, ", c->interrupts);       \
-                                                                       \
-               if (c->direction == PCMDIR_REC)                         \
-                       sbuf_printf(s,                                  \
-                           "overruns %d, feed %u, hfree %d, "          \
-                           "sfree %d [b:%d/%d/%d|bs:%d/%d/%d]",        \
-                               c->xruns, c->feedcount,                 \
-                               sndbuf_getfree(c->bufhard),             \
-                               sndbuf_getfree(c->bufsoft),             \
-                               sndbuf_getsize(c->bufhard),             \
-                               sndbuf_getblksz(c->bufhard),            \
-                               sndbuf_getblkcnt(c->bufhard),           \
-                               sndbuf_getsize(c->bufsoft),             \
-                               sndbuf_getblksz(c->bufsoft),            \
-                               sndbuf_getblkcnt(c->bufsoft));          \
-               else                                                    \
-                       sbuf_printf(s,                                  \
-                           "underruns %d, feed %u, ready %d "          \
-                           "[b:%d/%d/%d|bs:%d/%d/%d]",                 \
-                               c->xruns, c->feedcount,                 \
-                               sndbuf_getready(c->bufsoft),            \
-                               sndbuf_getsize(c->bufhard),             \
-                               sndbuf_getblksz(c->bufhard),            \
-                               sndbuf_getblkcnt(c->bufhard),           \
-                               sndbuf_getsize(c->bufsoft),             \
-                               sndbuf_getblksz(c->bufsoft),            \
-                               sndbuf_getblkcnt(c->bufsoft));          \
-               sbuf_printf(s, "\n\t");                                 \
-                                                                       \
-               sbuf_printf(s, "channel flags=0x%b", c->flags,          \
-                   CHN_F_BITS);                                        \
-               sbuf_printf(s, "\n\t");                                 \
-                                                                       \
-               sbuf_printf(s, "{%s}",                                  \
-                   (c->direction == PCMDIR_REC) ? "hardware" :         \
-                   "userland");                                        \
-               sbuf_printf(s, " -> ");                                 \
-               f = c->feeder;                                          \
-               while (f->source != NULL)                               \
-                       f = f->source;                                  \
-               while (f != NULL) {                                     \
-                       sbuf_printf(s, "%s", f->class->name);           \
-                       if (f->desc->type == FEEDER_FORMAT)             \
-                               sbuf_printf(s, "(0x%08x -> 0x%08x)",    \
-                                   f->desc->in, f->desc->out);         \
-                       else if (f->desc->type == FEEDER_MATRIX)        \
-                               sbuf_printf(s, "(%d.%d -> %d.%d)",      \
-                                   AFMT_CHANNEL(f->desc->in) -         \
-                                   AFMT_EXTCHANNEL(f->desc->in),       \
-                                   AFMT_EXTCHANNEL(f->desc->in),       \
-                                   AFMT_CHANNEL(f->desc->out) -        \
-                                   AFMT_EXTCHANNEL(f->desc->out),      \
-                                   AFMT_EXTCHANNEL(f->desc->out));     \
-                       else if (f->desc->type == FEEDER_RATE)          \
-                               sbuf_printf(s,                          \
-                                   "(0x%08x q:%d %d -> %d)",           \
-                                   f->desc->out,                       \
-                                   FEEDER_GET(f, FEEDRATE_QUALITY),    \
-                                   FEEDER_GET(f, FEEDRATE_SRC),        \
-                                   FEEDER_GET(f, FEEDRATE_DST));       \
-                       else                                            \
-                               sbuf_printf(s, "(0x%08x)",              \
-                                   f->desc->out);                      \
-                       sbuf_printf(s, " -> ");                         \
-                       f = f->parent;                                  \
-               }                                                       \
-               sbuf_printf(s, "{%s}",                                  \
-                   (c->direction == PCMDIR_REC) ? "userland" :         \
-                   "hardware");                                        \
-       }                                                               \
-                                                                       \
-       return (0);                                                     \
-} while (0)
-
-#endif /* !_SND_SNDSTAT_H_ */
diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
index 186e7b194f27..c03e4fa435e1 100644
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -37,7 +37,6 @@
 #include <dev/sound/pcm/ac97.h>
 #include <dev/sound/pcm/vchan.h>
 #include <dev/sound/pcm/dsp.h>
-#include <dev/sound/pcm/sndstat.h>
 #include <dev/sound/version.h>
 #include <sys/limits.h>
 #include <sys/sysctl.h>
@@ -76,10 +75,139 @@ SYSCTL_STRING(_hw_snd, OID_AUTO, version, CTLFLAG_RD, 
&snd_driver_version,
 struct unrhdr *pcmsg_unrhdr = NULL;
 
 static int
-sndstat_prepare_pcm(SNDSTAT_PREPARE_PCM_ARGS)
+sndstat_prepare_pcm(struct sbuf *s, device_t dev, int verbose)
 {
-       SNDSTAT_PREPARE_PCM_BEGIN();
-       SNDSTAT_PREPARE_PCM_END();
+       struct snddev_info *d;
+       struct pcm_channel *c;
+       struct pcm_feeder *f;
+
+       d = device_get_softc(dev);
+       PCM_BUSYASSERT(d);
+
+       if (CHN_EMPTY(d, channels.pcm)) {
+               sbuf_printf(s, " (mixer only)");
+               return (0);
+       }
+
+       if (verbose < 1) {
+               sbuf_printf(s, " (%s%s%s",
+                   d->playcount ? "play" : "",
+                   (d->playcount && d->reccount) ? "/" : "",
+                   d->reccount ? "rec" : "");
+       } else {
+               sbuf_printf(s, " (%dp:%dv/%dr:%dv",
+                   d->playcount, d->pvchancount,
+                   d->reccount, d->rvchancount);
+       }
+       sbuf_printf(s, "%s)%s",
+           ((d->playcount != 0 && d->reccount != 0) &&
+           (d->flags & SD_F_SIMPLEX)) ? " simplex" : "",
+           (device_get_unit(dev) == snd_unit) ? " default" : "");
+
+       if (verbose <= 1)
+               return (0);
+
+       sbuf_printf(s, "\n\t");
+       sbuf_printf(s, "snddev flags=0x%b", d->flags, SD_F_BITS);
+
+       CHN_FOREACH(c, d, channels.pcm) {
+               KASSERT(c->bufhard != NULL && c->bufsoft != NULL,
+                   ("hosed pcm channel setup"));
+
+               sbuf_printf(s, "\n\t");
+
+               sbuf_printf(s, "%s[%s]: ",
+                   (c->parentchannel != NULL) ?
+                   c->parentchannel->name : "", c->name);
+               sbuf_printf(s, "spd %d", c->speed);
+               if (c->speed != sndbuf_getspd(c->bufhard)) {
+                       sbuf_printf(s, "/%d",
+                           sndbuf_getspd(c->bufhard));
+               }
+               sbuf_printf(s, ", fmt 0x%08x", c->format);
+               if (c->format != sndbuf_getfmt(c->bufhard)) {
+                       sbuf_printf(s, "/0x%08x",
+                           sndbuf_getfmt(c->bufhard));
+               }
+               sbuf_printf(s, ", flags 0x%08x, 0x%08x",
+                   c->flags, c->feederflags);
+               if (c->pid != -1) {
+                       sbuf_printf(s, ", pid %d (%s)",
+                           c->pid, c->comm);
+               }
+               sbuf_printf(s, "\n\t");
+
+               sbuf_printf(s, "interrupts %d, ", c->interrupts);
+
+               if (c->direction == PCMDIR_REC) {
+                       sbuf_printf(s,
+                           "overruns %d, feed %u, hfree %d, "
+                           "sfree %d [b:%d/%d/%d|bs:%d/%d/%d]",
+                               c->xruns, c->feedcount,
+                               sndbuf_getfree(c->bufhard),
+                               sndbuf_getfree(c->bufsoft),
+                               sndbuf_getsize(c->bufhard),
+                               sndbuf_getblksz(c->bufhard),
+                               sndbuf_getblkcnt(c->bufhard),
+                               sndbuf_getsize(c->bufsoft),
+                               sndbuf_getblksz(c->bufsoft),
+                               sndbuf_getblkcnt(c->bufsoft));
+               } else {
+                       sbuf_printf(s,
+                           "underruns %d, feed %u, ready %d "
+                           "[b:%d/%d/%d|bs:%d/%d/%d]",
+                               c->xruns, c->feedcount,
+                               sndbuf_getready(c->bufsoft),
+                               sndbuf_getsize(c->bufhard),
+                               sndbuf_getblksz(c->bufhard),
+                               sndbuf_getblkcnt(c->bufhard),
+                               sndbuf_getsize(c->bufsoft),
+                               sndbuf_getblksz(c->bufsoft),
+                               sndbuf_getblkcnt(c->bufsoft));
+               }
+               sbuf_printf(s, "\n\t");
+
+               sbuf_printf(s, "channel flags=0x%b", c->flags, CHN_F_BITS);
+               sbuf_printf(s, "\n\t");
+
+               sbuf_printf(s, "{%s}",
+                   (c->direction == PCMDIR_REC) ? "hardware" : "userland");
+               sbuf_printf(s, " -> ");
+               f = c->feeder;
+               while (f->source != NULL)
+                       f = f->source;
+               while (f != NULL) {
+                       sbuf_printf(s, "%s", f->class->name);
+                       if (f->desc->type == FEEDER_FORMAT) {
+                               sbuf_printf(s, "(0x%08x -> 0x%08x)",
+                                   f->desc->in, f->desc->out);
+                       } else if (f->desc->type == FEEDER_MATRIX) {
+                               sbuf_printf(s, "(%d.%d -> %d.%d)",
+                                   AFMT_CHANNEL(f->desc->in) -
+                                   AFMT_EXTCHANNEL(f->desc->in),
+                                   AFMT_EXTCHANNEL(f->desc->in),
+                                   AFMT_CHANNEL(f->desc->out) -
+                                   AFMT_EXTCHANNEL(f->desc->out),
+                                   AFMT_EXTCHANNEL(f->desc->out));
+                       } else if (f->desc->type == FEEDER_RATE) {
+                               sbuf_printf(s,
+                                   "(0x%08x q:%d %d -> %d)",
+                                   f->desc->out,
+                                   FEEDER_GET(f, FEEDRATE_QUALITY),
+                                   FEEDER_GET(f, FEEDRATE_SRC),
+                                   FEEDER_GET(f, FEEDRATE_DST));
+                       } else {
+                               sbuf_printf(s, "(0x%08x)",
+                                   f->desc->out);
+                       }
+                       sbuf_printf(s, " -> ");
+                       f = f->parent;
+               }
+               sbuf_printf(s, "{%s}",
+                   (c->direction == PCMDIR_REC) ? "userland" : "hardware");
+       }
+
+       return (0);
 }
 
 void *

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