Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 940 deletions

diff --git a/qemu/audio/ossaudio.c b/qemu/audio/ossaudio.c
deleted file mode 100644
index 349e9dd53..000000000
--- a/qemu/audio/ossaudio.c
+++ /dev/null
@@ -1,940 +0,0 @@
-/*
- * QEMU OSS audio driver
- *
- * Copyright (c) 2003-2005 Vassili Karpov (malc)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-#include "qemu/osdep.h"
-#include <sys/mman.h>
-#include <sys/ioctl.h>
-#include <sys/soundcard.h>
-#include "qemu-common.h"
-#include "qemu/main-loop.h"
-#include "qemu/host-utils.h"
-#include "audio.h"
-#include "trace.h"
-
-#define AUDIO_CAP "oss"
-#include "audio_int.h"
-
-#if defined OSS_GETVERSION && defined SNDCTL_DSP_POLICY
-#define USE_DSP_POLICY
-#endif
-
-typedef struct OSSConf {
-    int try_mmap;
-    int nfrags;
-    int fragsize;
-    const char *devpath_out;
-    const char *devpath_in;
-    int exclusive;
-    int policy;
-} OSSConf;
-
-typedef struct OSSVoiceOut {
-    HWVoiceOut hw;
-    void *pcm_buf;
-    int fd;
-    int wpos;
-    int nfrags;
-    int fragsize;
-    int mmapped;
-    int pending;
-    OSSConf *conf;
-} OSSVoiceOut;
-
-typedef struct OSSVoiceIn {
-    HWVoiceIn hw;
-    void *pcm_buf;
-    int fd;
-    int nfrags;
-    int fragsize;
-    OSSConf *conf;
-} OSSVoiceIn;
-
-struct oss_params {
-    int freq;
-    audfmt_e fmt;
-    int nchannels;
-    int nfrags;
-    int fragsize;
-};
-
-static void GCC_FMT_ATTR (2, 3) oss_logerr (int err, const char *fmt, ...)
-{
-    va_list ap;
-
-    va_start (ap, fmt);
-    AUD_vlog (AUDIO_CAP, fmt, ap);
-    va_end (ap);
-
-    AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err));
-}
-
-static void GCC_FMT_ATTR (3, 4) oss_logerr2 (
-    int err,
-    const char *typ,
-    const char *fmt,
-    ...
-    )
-{
-    va_list ap;
-
-    AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
-
-    va_start (ap, fmt);
-    AUD_vlog (AUDIO_CAP, fmt, ap);
-    va_end (ap);
-
-    AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err));
-}
-
-static void oss_anal_close (int *fdp)
-{
-    int err;
-
-    qemu_set_fd_handler (*fdp, NULL, NULL, NULL);
-    err = close (*fdp);
-    if (err) {
-        oss_logerr (errno, "Failed to close file(fd=%d)\n", *fdp);
-    }
-    *fdp = -1;
-}
-
-static void oss_helper_poll_out (void *opaque)
-{
-    (void) opaque;
-    audio_run ("oss_poll_out");
-}
-
-static void oss_helper_poll_in (void *opaque)
-{
-    (void) opaque;
-    audio_run ("oss_poll_in");
-}
-
-static void oss_poll_out (HWVoiceOut *hw)
-{
-    OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-
-    qemu_set_fd_handler (oss->fd, NULL, oss_helper_poll_out, NULL);
-}
-
-static void oss_poll_in (HWVoiceIn *hw)
-{
-    OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-
-    qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL);
-}
-
-static int oss_write (SWVoiceOut *sw, void *buf, int len)
-{
-    return audio_pcm_sw_write (sw, buf, len);
-}
-
-static int aud_to_ossfmt (audfmt_e fmt, int endianness)
-{
-    switch (fmt) {
-    case AUD_FMT_S8:
-        return AFMT_S8;
-
-    case AUD_FMT_U8:
-        return AFMT_U8;
-
-    case AUD_FMT_S16:
-        if (endianness) {
-            return AFMT_S16_BE;
-        }
-        else {
-            return AFMT_S16_LE;
-        }
-
-    case AUD_FMT_U16:
-        if (endianness) {
-            return AFMT_U16_BE;
-        }
-        else {
-            return AFMT_U16_LE;
-        }
-
-    default:
-        dolog ("Internal logic error: Bad audio format %d\n", fmt);
-#ifdef DEBUG_AUDIO
-        abort ();
-#endif
-        return AFMT_U8;
-    }
-}
-
-static int oss_to_audfmt (int ossfmt, audfmt_e *fmt, int *endianness)
-{
-    switch (ossfmt) {
-    case AFMT_S8:
-        *endianness = 0;
-        *fmt = AUD_FMT_S8;
-        break;
-
-    case AFMT_U8:
-        *endianness = 0;
-        *fmt = AUD_FMT_U8;
-        break;
-
-    case AFMT_S16_LE:
-        *endianness = 0;
-        *fmt = AUD_FMT_S16;
-        break;
-
-    case AFMT_U16_LE:
-        *endianness = 0;
-        *fmt = AUD_FMT_U16;
-        break;
-
-    case AFMT_S16_BE:
-        *endianness = 1;
-        *fmt = AUD_FMT_S16;
-        break;
-
-    case AFMT_U16_BE:
-        *endianness = 1;
-        *fmt = AUD_FMT_U16;
-        break;
-
-    default:
-        dolog ("Unrecognized audio format %d\n", ossfmt);
-        return -1;
-    }
-
-    return 0;
-}
-
-#if defined DEBUG_MISMATCHES || defined DEBUG
-static void oss_dump_info (struct oss_params *req, struct oss_params *obt)
-{
-    dolog ("parameter | requested value | obtained value\n");
-    dolog ("format    |      %10d |     %10d\n", req->fmt, obt->fmt);
-    dolog ("channels  |      %10d |     %10d\n",
-           req->nchannels, obt->nchannels);
-    dolog ("frequency |      %10d |     %10d\n", req->freq, obt->freq);
-    dolog ("nfrags    |      %10d |     %10d\n", req->nfrags, obt->nfrags);
-    dolog ("fragsize  |      %10d |     %10d\n",
-           req->fragsize, obt->fragsize);
-}
-#endif
-
-#ifdef USE_DSP_POLICY
-static int oss_get_version (int fd, int *version, const char *typ)
-{
-    if (ioctl (fd, OSS_GETVERSION, &version)) {
-#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
-        /*
-         * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION
-         * since 7.x, but currently only on the mixer device (or in
-         * the Linuxolator), and in the native version that part of
-         * the code is in fact never reached so the ioctl fails anyway.
-         * Until this is fixed, just check the errno and if its what
-         * FreeBSD's sound drivers return atm assume they are new enough.
-         */
-        if (errno == EINVAL) {
-            *version = 0x040000;
-            return 0;
-        }
-#endif
-        oss_logerr2 (errno, typ, "Failed to get OSS version\n");
-        return -1;
-    }
-    return 0;
-}
-#endif
-
-static int oss_open (int in, struct oss_params *req,
-                     struct oss_params *obt, int *pfd, OSSConf* conf)
-{
-    int fd;
-    int oflags = conf->exclusive ? O_EXCL : 0;
-    audio_buf_info abinfo;
-    int fmt, freq, nchannels;
-    int setfragment = 1;
-    const char *dspname = in ? conf->devpath_in : conf->devpath_out;
-    const char *typ = in ? "ADC" : "DAC";
-
-    /* Kludge needed to have working mmap on Linux */
-    oflags |= conf->try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY);
-
-    fd = open (dspname, oflags | O_NONBLOCK);
-    if (-1 == fd) {
-        oss_logerr2 (errno, typ, "Failed to open `%s'\n", dspname);
-        return -1;
-    }
-
-    freq = req->freq;
-    nchannels = req->nchannels;
-    fmt = req->fmt;
-
-    if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) {
-        oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt);
-        goto err;
-    }
-
-    if (ioctl (fd, SNDCTL_DSP_CHANNELS, &nchannels)) {
-        oss_logerr2 (errno, typ, "Failed to set number of channels %d\n",
-                     req->nchannels);
-        goto err;
-    }
-
-    if (ioctl (fd, SNDCTL_DSP_SPEED, &freq)) {
-        oss_logerr2 (errno, typ, "Failed to set frequency %d\n", req->freq);
-        goto err;
-    }
-
-    if (ioctl (fd, SNDCTL_DSP_NONBLOCK, NULL)) {
-        oss_logerr2 (errno, typ, "Failed to set non-blocking mode\n");
-        goto err;
-    }
-
-#ifdef USE_DSP_POLICY
-    if (conf->policy >= 0) {
-        int version;
-
-        if (!oss_get_version (fd, &version, typ)) {
-            trace_oss_version(version);
-
-            if (version >= 0x040000) {
-                int policy = conf->policy;
-                if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
-                    oss_logerr2 (errno, typ,
-                                 "Failed to set timing policy to %d\n",
-                                 conf->policy);
-                    goto err;
-                }
-                setfragment = 0;
-            }
-        }
-    }
-#endif
-
-    if (setfragment) {
-        int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize);
-        if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) {
-            oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n",
-                         req->nfrags, req->fragsize);
-            goto err;
-        }
-    }
-
-    if (ioctl (fd, in ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &abinfo)) {
-        oss_logerr2 (errno, typ, "Failed to get buffer length\n");
-        goto err;
-    }
-
-    if (!abinfo.fragstotal || !abinfo.fragsize) {
-        AUD_log (AUDIO_CAP, "Returned bogus buffer information(%d, %d) for %s\n",
-                 abinfo.fragstotal, abinfo.fragsize, typ);
-        goto err;
-    }
-
-    obt->fmt = fmt;
-    obt->nchannels = nchannels;
-    obt->freq = freq;
-    obt->nfrags = abinfo.fragstotal;
-    obt->fragsize = abinfo.fragsize;
-    *pfd = fd;
-
-#ifdef DEBUG_MISMATCHES
-    if ((req->fmt != obt->fmt) ||
-        (req->nchannels != obt->nchannels) ||
-        (req->freq != obt->freq) ||
-        (req->fragsize != obt->fragsize) ||
-        (req->nfrags != obt->nfrags)) {
-        dolog ("Audio parameters mismatch\n");
-        oss_dump_info (req, obt);
-    }
-#endif
-
-#ifdef DEBUG
-    oss_dump_info (req, obt);
-#endif
-    return 0;
-
- err:
-    oss_anal_close (&fd);
-    return -1;
-}
-
-static void oss_write_pending (OSSVoiceOut *oss)
-{
-    HWVoiceOut *hw = &oss->hw;
-
-    if (oss->mmapped) {
-        return;
-    }
-
-    while (oss->pending) {
-        int samples_written;
-        ssize_t bytes_written;
-        int samples_till_end = hw->samples - oss->wpos;
-        int samples_to_write = audio_MIN (oss->pending, samples_till_end);
-        int bytes_to_write = samples_to_write << hw->info.shift;
-        void *pcm = advance (oss->pcm_buf, oss->wpos << hw->info.shift);
-
-        bytes_written = write (oss->fd, pcm, bytes_to_write);
-        if (bytes_written < 0) {
-            if (errno != EAGAIN) {
-                oss_logerr (errno, "failed to write %d bytes\n",
-                            bytes_to_write);
-            }
-            break;
-        }
-
-        if (bytes_written & hw->info.align) {
-            dolog ("misaligned write asked for %d, but got %zd\n",
-                   bytes_to_write, bytes_written);
-            return;
-        }
-
-        samples_written = bytes_written >> hw->info.shift;
-        oss->pending -= samples_written;
-        oss->wpos = (oss->wpos + samples_written) % hw->samples;
-        if (bytes_written - bytes_to_write) {
-            break;
-        }
-    }
-}
-
-static int oss_run_out (HWVoiceOut *hw, int live)
-{
-    OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-    int err, decr;
-    struct audio_buf_info abinfo;
-    struct count_info cntinfo;
-    int bufsize;
-
-    bufsize = hw->samples << hw->info.shift;
-
-    if (oss->mmapped) {
-        int bytes, pos;
-
-        err = ioctl (oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo);
-        if (err < 0) {
-            oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
-            return 0;
-        }
-
-        pos = hw->rpos << hw->info.shift;
-        bytes = audio_ring_dist (cntinfo.ptr, pos, bufsize);
-        decr = audio_MIN (bytes >> hw->info.shift, live);
-    }
-    else {
-        err = ioctl (oss->fd, SNDCTL_DSP_GETOSPACE, &abinfo);
-        if (err < 0) {
-            oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
-            return 0;
-        }
-
-        if (abinfo.bytes > bufsize) {
-            trace_oss_invalid_available_size(abinfo.bytes, bufsize);
-            abinfo.bytes = bufsize;
-        }
-
-        if (abinfo.bytes < 0) {
-            trace_oss_invalid_available_size(abinfo.bytes, bufsize);
-            return 0;
-        }
-
-        decr = audio_MIN (abinfo.bytes >> hw->info.shift, live);
-        if (!decr) {
-            return 0;
-        }
-    }
-
-    decr = audio_pcm_hw_clip_out (hw, oss->pcm_buf, decr, oss->pending);
-    oss->pending += decr;
-    oss_write_pending (oss);
-
-    return decr;
-}
-
-static void oss_fini_out (HWVoiceOut *hw)
-{
-    int err;
-    OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-
-    ldebug ("oss_fini\n");
-    oss_anal_close (&oss->fd);
-
-    if (oss->pcm_buf) {
-        if (oss->mmapped) {
-            err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
-            if (err) {
-                oss_logerr (errno, "Failed to unmap buffer %p, size %d\n",
-                            oss->pcm_buf, hw->samples << hw->info.shift);
-            }
-        }
-        else {
-            g_free (oss->pcm_buf);
-        }
-        oss->pcm_buf = NULL;
-    }
-}
-
-static int oss_init_out(HWVoiceOut *hw, struct audsettings *as,
-                        void *drv_opaque)
-{
-    OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-    struct oss_params req, obt;
-    int endianness;
-    int err;
-    int fd;
-    audfmt_e effective_fmt;
-    struct audsettings obt_as;
-    OSSConf *conf = drv_opaque;
-
-    oss->fd = -1;
-
-    req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
-    req.freq = as->freq;
-    req.nchannels = as->nchannels;
-    req.fragsize = conf->fragsize;
-    req.nfrags = conf->nfrags;
-
-    if (oss_open (0, &req, &obt, &fd, conf)) {
-        return -1;
-    }
-
-    err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness);
-    if (err) {
-        oss_anal_close (&fd);
-        return -1;
-    }
-
-    obt_as.freq = obt.freq;
-    obt_as.nchannels = obt.nchannels;
-    obt_as.fmt = effective_fmt;
-    obt_as.endianness = endianness;
-
-    audio_pcm_init_info (&hw->info, &obt_as);
-    oss->nfrags = obt.nfrags;
-    oss->fragsize = obt.fragsize;
-
-    if (obt.nfrags * obt.fragsize & hw->info.align) {
-        dolog ("warning: Misaligned DAC buffer, size %d, alignment %d\n",
-               obt.nfrags * obt.fragsize, hw->info.align + 1);
-    }
-
-    hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
-
-    oss->mmapped = 0;
-    if (conf->try_mmap) {
-        oss->pcm_buf = mmap (
-            NULL,
-            hw->samples << hw->info.shift,
-            PROT_READ | PROT_WRITE,
-            MAP_SHARED,
-            fd,
-            0
-            );
-        if (oss->pcm_buf == MAP_FAILED) {
-            oss_logerr (errno, "Failed to map %d bytes of DAC\n",
-                        hw->samples << hw->info.shift);
-        }
-        else {
-            int err;
-            int trig = 0;
-            if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
-                oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
-            }
-            else {
-                trig = PCM_ENABLE_OUTPUT;
-                if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
-                    oss_logerr (
-                        errno,
-                        "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
-                        );
-                }
-                else {
-                    oss->mmapped = 1;
-                }
-            }
-
-            if (!oss->mmapped) {
-                err = munmap (oss->pcm_buf, hw->samples << hw->info.shift);
-                if (err) {
-                    oss_logerr (errno, "Failed to unmap buffer %p size %d\n",
-                                oss->pcm_buf, hw->samples << hw->info.shift);
-                }
-            }
-        }
-    }
-
-    if (!oss->mmapped) {
-        oss->pcm_buf = audio_calloc (
-            AUDIO_FUNC,
-            hw->samples,
-            1 << hw->info.shift
-            );
-        if (!oss->pcm_buf) {
-            dolog (
-                "Could not allocate DAC buffer (%d samples, each %d bytes)\n",
-                hw->samples,
-                1 << hw->info.shift
-                );
-            oss_anal_close (&fd);
-            return -1;
-        }
-    }
-
-    oss->fd = fd;
-    oss->conf = conf;
-    return 0;
-}
-
-static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...)
-{
-    int trig;
-    OSSVoiceOut *oss = (OSSVoiceOut *) hw;
-
-    switch (cmd) {
-    case VOICE_ENABLE:
-        {
-            va_list ap;
-            int poll_mode;
-
-            va_start (ap, cmd);
-            poll_mode = va_arg (ap, int);
-            va_end (ap);
-
-            ldebug ("enabling voice\n");
-            if (poll_mode) {
-                oss_poll_out (hw);
-                poll_mode = 0;
-            }
-            hw->poll_mode = poll_mode;
-
-            if (!oss->mmapped) {
-                return 0;
-            }
-
-            audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples);
-            trig = PCM_ENABLE_OUTPUT;
-            if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
-                oss_logerr (
-                    errno,
-                    "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
-                    );
-                return -1;
-            }
-        }
-        break;
-
-    case VOICE_DISABLE:
-        if (hw->poll_mode) {
-            qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
-            hw->poll_mode = 0;
-        }
-
-        if (!oss->mmapped) {
-            return 0;
-        }
-
-        ldebug ("disabling voice\n");
-        trig = 0;
-        if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {
-            oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
-            return -1;
-        }
-        break;
-    }
-    return 0;
-}
-
-static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque)
-{
-    OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-    struct oss_params req, obt;
-    int endianness;
-    int err;
-    int fd;
-    audfmt_e effective_fmt;
-    struct audsettings obt_as;
-    OSSConf *conf = drv_opaque;
-
-    oss->fd = -1;
-
-    req.fmt = aud_to_ossfmt (as->fmt, as->endianness);
-    req.freq = as->freq;
-    req.nchannels = as->nchannels;
-    req.fragsize = conf->fragsize;
-    req.nfrags = conf->nfrags;
-    if (oss_open (1, &req, &obt, &fd, conf)) {
-        return -1;
-    }
-
-    err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness);
-    if (err) {
-        oss_anal_close (&fd);
-        return -1;
-    }
-
-    obt_as.freq = obt.freq;
-    obt_as.nchannels = obt.nchannels;
-    obt_as.fmt = effective_fmt;
-    obt_as.endianness = endianness;
-
-    audio_pcm_init_info (&hw->info, &obt_as);
-    oss->nfrags = obt.nfrags;
-    oss->fragsize = obt.fragsize;
-
-    if (obt.nfrags * obt.fragsize & hw->info.align) {
-        dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n",
-               obt.nfrags * obt.fragsize, hw->info.align + 1);
-    }
-
-    hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift;
-    oss->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
-    if (!oss->pcm_buf) {
-        dolog ("Could not allocate ADC buffer (%d samples, each %d bytes)\n",
-               hw->samples, 1 << hw->info.shift);
-        oss_anal_close (&fd);
-        return -1;
-    }
-
-    oss->fd = fd;
-    oss->conf = conf;
-    return 0;
-}
-
-static void oss_fini_in (HWVoiceIn *hw)
-{
-    OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-
-    oss_anal_close (&oss->fd);
-
-    g_free(oss->pcm_buf);
-    oss->pcm_buf = NULL;
-}
-
-static int oss_run_in (HWVoiceIn *hw)
-{
-    OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-    int hwshift = hw->info.shift;
-    int i;
-    int live = audio_pcm_hw_get_live_in (hw);
-    int dead = hw->samples - live;
-    size_t read_samples = 0;
-    struct {
-        int add;
-        int len;
-    } bufs[2] = {
-        { .add = hw->wpos, .len = 0 },
-        { .add = 0,        .len = 0 }
-    };
-
-    if (!dead) {
-        return 0;
-    }
-
-    if (hw->wpos + dead > hw->samples) {
-        bufs[0].len = (hw->samples - hw->wpos) << hwshift;
-        bufs[1].len = (dead - (hw->samples - hw->wpos)) << hwshift;
-    }
-    else {
-        bufs[0].len = dead << hwshift;
-    }
-
-    for (i = 0; i < 2; ++i) {
-        ssize_t nread;
-
-        if (bufs[i].len) {
-            void *p = advance (oss->pcm_buf, bufs[i].add << hwshift);
-            nread = read (oss->fd, p, bufs[i].len);
-
-            if (nread > 0) {
-                if (nread & hw->info.align) {
-                    dolog ("warning: Misaligned read %zd (requested %d), "
-                           "alignment %d\n", nread, bufs[i].add << hwshift,
-                           hw->info.align + 1);
-                }
-                read_samples += nread >> hwshift;
-                hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift);
-            }
-
-            if (bufs[i].len - nread) {
-                if (nread == -1) {
-                    switch (errno) {
-                    case EINTR:
-                    case EAGAIN:
-                        break;
-                    default:
-                        oss_logerr (
-                            errno,
-                            "Failed to read %d bytes of audio (to %p)\n",
-                            bufs[i].len, p
-                            );
-                        break;
-                    }
-                }
-                break;
-            }
-        }
-    }
-
-    hw->wpos = (hw->wpos + read_samples) % hw->samples;
-    return read_samples;
-}
-
-static int oss_read (SWVoiceIn *sw, void *buf, int size)
-{
-    return audio_pcm_sw_read (sw, buf, size);
-}
-
-static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...)
-{
-    OSSVoiceIn *oss = (OSSVoiceIn *) hw;
-
-    switch (cmd) {
-    case VOICE_ENABLE:
-        {
-            va_list ap;
-            int poll_mode;
-
-            va_start (ap, cmd);
-            poll_mode = va_arg (ap, int);
-            va_end (ap);
-
-            if (poll_mode) {
-                oss_poll_in (hw);
-                poll_mode = 0;
-            }
-            hw->poll_mode = poll_mode;
-        }
-        break;
-
-    case VOICE_DISABLE:
-        if (hw->poll_mode) {
-            hw->poll_mode = 0;
-            qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);
-        }
-        break;
-    }
-    return 0;
-}
-
-static OSSConf glob_conf = {
-    .try_mmap = 0,
-    .nfrags = 4,
-    .fragsize = 4096,
-    .devpath_out = "/dev/dsp",
-    .devpath_in = "/dev/dsp",
-    .exclusive = 0,
-    .policy = 5
-};
-
-static void *oss_audio_init (void)
-{
-    OSSConf *conf = g_malloc(sizeof(OSSConf));
-    *conf = glob_conf;
-
-    if (access(conf->devpath_in, R_OK | W_OK) < 0 ||
-        access(conf->devpath_out, R_OK | W_OK) < 0) {
-        g_free(conf);
-        return NULL;
-    }
-    return conf;
-}
-
-static void oss_audio_fini (void *opaque)
-{
-    g_free(opaque);
-}
-
-static struct audio_option oss_options[] = {
-    {
-        .name  = "FRAGSIZE",
-        .tag   = AUD_OPT_INT,
-        .valp  = &glob_conf.fragsize,
-        .descr = "Fragment size in bytes"
-    },
-    {
-        .name  = "NFRAGS",
-        .tag   = AUD_OPT_INT,
-        .valp  = &glob_conf.nfrags,
-        .descr = "Number of fragments"
-    },
-    {
-        .name  = "MMAP",
-        .tag   = AUD_OPT_BOOL,
-        .valp  = &glob_conf.try_mmap,
-        .descr = "Try using memory mapped access"
-    },
-    {
-        .name  = "DAC_DEV",
-        .tag   = AUD_OPT_STR,
-        .valp  = &glob_conf.devpath_out,
-        .descr = "Path to DAC device"
-    },
-    {
-        .name  = "ADC_DEV",
-        .tag   = AUD_OPT_STR,
-        .valp  = &glob_conf.devpath_in,
-        .descr = "Path to ADC device"
-    },
-    {
-        .name  = "EXCLUSIVE",
-        .tag   = AUD_OPT_BOOL,
-        .valp  = &glob_conf.exclusive,
-        .descr = "Open device in exclusive mode (vmix wont work)"
-    },
-#ifdef USE_DSP_POLICY
-    {
-        .name  = "POLICY",
-        .tag   = AUD_OPT_INT,
-        .valp  = &glob_conf.policy,
-        .descr = "Set the timing policy of the device, -1 to use fragment mode",
-    },
-#endif
-    { /* End of list */ }
-};
-
-static struct audio_pcm_ops oss_pcm_ops = {
-    .init_out = oss_init_out,
-    .fini_out = oss_fini_out,
-    .run_out  = oss_run_out,
-    .write    = oss_write,
-    .ctl_out  = oss_ctl_out,
-
-    .init_in  = oss_init_in,
-    .fini_in  = oss_fini_in,
-    .run_in   = oss_run_in,
-    .read     = oss_read,
-    .ctl_in   = oss_ctl_in
-};
-
-struct audio_driver oss_audio_driver = {
-    .name           = "oss",
-    .descr          = "OSS http://www.opensound.com",
-    .options        = oss_options,
-    .init           = oss_audio_init,
-    .fini           = oss_audio_fini,
-    .pcm_ops        = &oss_pcm_ops,
-    .can_be_default = 1,
-    .max_voices_out = INT_MAX,
-    .max_voices_in  = INT_MAX,
-    .voice_size_out = sizeof (OSSVoiceOut),
-    .voice_size_in  = sizeof (OSSVoiceIn)
-};