The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/pcm/sndstat.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2007-2009 Ariff Abdullah <ariff@FreeBSD.org>
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: stable/12/sys/dev/sound/pcm/sndstat.h 326255 2017-11-27 14:52:40Z pfg $
   29  */
   30 
   31 #ifndef _SND_SNDSTAT_H_
   32 #define _SND_SNDSTAT_H_
   33 
   34 #define SNDSTAT_PREPARE_PCM_ARGS                                        \
   35         struct sbuf *s, device_t dev, int verbose
   36 
   37 #define SNDSTAT_PREPARE_PCM_BEGIN()     do {                            \
   38         struct snddev_info *d;                                          \
   39         struct pcm_channel *c;                                          \
   40         struct pcm_feeder *f;                                           \
   41                                                                         \
   42         d = device_get_softc(dev);                                      \
   43         PCM_BUSYASSERT(d);                                              \
   44                                                                         \
   45         if (CHN_EMPTY(d, channels.pcm)) {                               \
   46                 sbuf_printf(s, " (mixer only)");                        \
   47                 return (0);                                             \
   48         }                                                               \
   49                                                                         \
   50         if (verbose < 1) {                                              \
   51                 sbuf_printf(s, " (%s%s%s",                              \
   52                     d->playcount ? "play" : "",                         \
   53                     (d->playcount && d->reccount) ? "/" : "",           \
   54                     d->reccount ? "rec" : "");                          \
   55         } else {                                                        \
   56                 sbuf_printf(s, " (%dp:%dv/%dr:%dv",                     \
   57                     d->playcount, d->pvchancount,                       \
   58                     d->reccount, d->rvchancount);                       \
   59         }                                                               \
   60         sbuf_printf(s, "%s)%s",                                         \
   61             ((d->playcount != 0 && d->reccount != 0) &&                 \
   62             (d->flags & SD_F_SIMPLEX)) ? " simplex" : "",               \
   63             (device_get_unit(dev) == snd_unit) ? " default" : "")
   64 
   65 
   66 #define SNDSTAT_PREPARE_PCM_END()                                       \
   67         if (verbose <= 1)                                               \
   68                 return (0);                                             \
   69                                                                         \
   70         sbuf_printf(s, "\n\t");                                         \
   71         sbuf_printf(s, "snddev flags=0x%b", d->flags, SD_F_BITS);       \
   72                                                                         \
   73         CHN_FOREACH(c, d, channels.pcm) {                               \
   74                                                                         \
   75                 KASSERT(c->bufhard != NULL && c->bufsoft != NULL,       \
   76                     ("hosed pcm channel setup"));                       \
   77                                                                         \
   78                 sbuf_printf(s, "\n\t");                                 \
   79                                                                         \
   80                 sbuf_printf(s, "%s[%s]: ",                              \
   81                     (c->parentchannel != NULL) ?                        \
   82                     c->parentchannel->name : "", c->name);              \
   83                 sbuf_printf(s, "spd %d", c->speed);                     \
   84                 if (c->speed != sndbuf_getspd(c->bufhard))              \
   85                         sbuf_printf(s, "/%d",                           \
   86                             sndbuf_getspd(c->bufhard));                 \
   87                 sbuf_printf(s, ", fmt 0x%08x", c->format);              \
   88                 if (c->format != sndbuf_getfmt(c->bufhard))             \
   89                         sbuf_printf(s, "/0x%08x",                       \
   90                             sndbuf_getfmt(c->bufhard));                 \
   91                 sbuf_printf(s, ", flags 0x%08x, 0x%08x",                \
   92                     c->flags, c->feederflags);                          \
   93                 if (c->pid != -1)                                       \
   94                         sbuf_printf(s, ", pid %d (%s)",                 \
   95                             c->pid, c->comm);                           \
   96                 sbuf_printf(s, "\n\t");                                 \
   97                                                                         \
   98                 sbuf_printf(s, "interrupts %d, ", c->interrupts);       \
   99                                                                         \
  100                 if (c->direction == PCMDIR_REC)                         \
  101                         sbuf_printf(s,                                  \
  102                             "overruns %d, feed %u, hfree %d, "          \
  103                             "sfree %d [b:%d/%d/%d|bs:%d/%d/%d]",        \
  104                                 c->xruns, c->feedcount,                 \
  105                                 sndbuf_getfree(c->bufhard),             \
  106                                 sndbuf_getfree(c->bufsoft),             \
  107                                 sndbuf_getsize(c->bufhard),             \
  108                                 sndbuf_getblksz(c->bufhard),            \
  109                                 sndbuf_getblkcnt(c->bufhard),           \
  110                                 sndbuf_getsize(c->bufsoft),             \
  111                                 sndbuf_getblksz(c->bufsoft),            \
  112                                 sndbuf_getblkcnt(c->bufsoft));          \
  113                 else                                                    \
  114                         sbuf_printf(s,                                  \
  115                             "underruns %d, feed %u, ready %d "          \
  116                             "[b:%d/%d/%d|bs:%d/%d/%d]",                 \
  117                                 c->xruns, c->feedcount,                 \
  118                                 sndbuf_getready(c->bufsoft),            \
  119                                 sndbuf_getsize(c->bufhard),             \
  120                                 sndbuf_getblksz(c->bufhard),            \
  121                                 sndbuf_getblkcnt(c->bufhard),           \
  122                                 sndbuf_getsize(c->bufsoft),             \
  123                                 sndbuf_getblksz(c->bufsoft),            \
  124                                 sndbuf_getblkcnt(c->bufsoft));          \
  125                 sbuf_printf(s, "\n\t");                                 \
  126                                                                         \
  127                 sbuf_printf(s, "channel flags=0x%b", c->flags,          \
  128                     CHN_F_BITS);                                        \
  129                 sbuf_printf(s, "\n\t");                                 \
  130                                                                         \
  131                 sbuf_printf(s, "{%s}",                                  \
  132                     (c->direction == PCMDIR_REC) ? "hardware" :         \
  133                     "userland");                                        \
  134                 sbuf_printf(s, " -> ");                                 \
  135                 f = c->feeder;                                          \
  136                 while (f->source != NULL)                               \
  137                         f = f->source;                                  \
  138                 while (f != NULL) {                                     \
  139                         sbuf_printf(s, "%s", f->class->name);           \
  140                         if (f->desc->type == FEEDER_FORMAT)             \
  141                                 sbuf_printf(s, "(0x%08x -> 0x%08x)",    \
  142                                     f->desc->in, f->desc->out);         \
  143                         else if (f->desc->type == FEEDER_MATRIX)        \
  144                                 sbuf_printf(s, "(%d.%d -> %d.%d)",      \
  145                                     AFMT_CHANNEL(f->desc->in) -         \
  146                                     AFMT_EXTCHANNEL(f->desc->in),       \
  147                                     AFMT_EXTCHANNEL(f->desc->in),       \
  148                                     AFMT_CHANNEL(f->desc->out) -        \
  149                                     AFMT_EXTCHANNEL(f->desc->out),      \
  150                                     AFMT_EXTCHANNEL(f->desc->out));     \
  151                         else if (f->desc->type == FEEDER_RATE)          \
  152                                 sbuf_printf(s,                          \
  153                                     "(0x%08x q:%d %d -> %d)",           \
  154                                     f->desc->out,                       \
  155                                     FEEDER_GET(f, FEEDRATE_QUALITY),    \
  156                                     FEEDER_GET(f, FEEDRATE_SRC),        \
  157                                     FEEDER_GET(f, FEEDRATE_DST));       \
  158                         else                                            \
  159                                 sbuf_printf(s, "(0x%08x)",              \
  160                                     f->desc->out);                      \
  161                         sbuf_printf(s, " -> ");                         \
  162                         f = f->parent;                                  \
  163                 }                                                       \
  164                 sbuf_printf(s, "{%s}",                                  \
  165                     (c->direction == PCMDIR_REC) ? "userland" :         \
  166                     "hardware");                                        \
  167         }                                                               \
  168                                                                         \
  169         return (0);                                                     \
  170 } while (0)
  171 
  172 #endif  /* !_SND_SNDSTAT_H_ */

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