diff options
| author | Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> | 2018-05-14 09:27:37 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-05-16 12:58:36 +0200 |
| commit | cc3196ae197c28cd6db0a2e9ddddc2e0aa1e694f (patch) | |
| tree | 561d3805088ea7ab71c0ef0ad32f4458f6905807 /sound/xen/xen_snd_front.h | |
| parent | 6d08b06e67cd117f6992c46611dfb4ce267cd71e (diff) | |
ALSA: xen-front: Introduce Xen para-virtualized sound frontend driver
Introduce skeleton of the para-virtualized Xen sound
frontend driver.
Initial handling for Xen bus states: implement
Xen bus state machine for the frontend driver according to
the state diagram and recovery flow from sound para-virtualized
protocol: xen/interface/io/sndif.h.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/xen/xen_snd_front.h')
| -rw-r--r-- | sound/xen/xen_snd_front.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/xen/xen_snd_front.h b/sound/xen/xen_snd_front.h new file mode 100644 index 000000000000..4ae204b23d32 --- /dev/null +++ b/sound/xen/xen_snd_front.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 OR MIT */ + +/* + * Xen para-virtual sound device + * + * Copyright (C) 2016-2018 EPAM Systems Inc. + * + * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> + */ + +#ifndef __XEN_SND_FRONT_H +#define __XEN_SND_FRONT_H + +struct xen_snd_front_info { + struct xenbus_device *xb_dev; +}; + +#endif /* __XEN_SND_FRONT_H */ |