From: Oleksandr Andrushchenko <andr2000@gmail.com> To: alsa-devel@alsa-project.org, xen-devel@lists.xen.org, linux-kernel@vger.kernel.org Cc: perex@perex.cz, tiwai@suse.com, andr2000@gmail.com, Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Subject: [PATCH RESEND1 01/12] ALSA: vsnd: Introduce Xen para-virtualized sound frontend driver Date: Mon, 7 Aug 2017 15:22:46 +0300 [thread overview] Message-ID: <1502108577-8099-2-git-send-email-andr2000@gmail.com> (raw) In-Reply-To: <1502108577-8099-1-git-send-email-andr2000@gmail.com> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Introduce skeleton of the para-virtualized Xen sound frontend driver. This patch only adds required essential stubs. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> --- sound/drivers/xen-front.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 sound/drivers/xen-front.c diff --git a/sound/drivers/xen-front.c b/sound/drivers/xen-front.c new file mode 100644 index 000000000000..61779c36cae3 --- /dev/null +++ b/sound/drivers/xen-front.c @@ -0,0 +1,78 @@ +/* + * Xen para-virtual sound device + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Based on: sound/drivers/dummy.c + * + * Copyright (C) 2016-2017 EPAM Systems Inc. + * + * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> + */ + +#include <linux/module.h> + +#include <xen/platform_pci.h> +#include <xen/xen.h> +#include <xen/xenbus.h> + +#include <xen/interface/io/sndif.h> + +static void xdrv_be_on_changed(struct xenbus_device *xb_dev, + enum xenbus_state backend_state) +{ +} + +static int xdrv_probe(struct xenbus_device *xb_dev, + const struct xenbus_device_id *id) +{ + return 0; +} + +static int xdrv_remove(struct xenbus_device *dev) +{ + return 0; +} + +static const struct xenbus_device_id xdrv_ids[] = { + { XENSND_DRIVER_NAME }, + { "" } +}; + +static struct xenbus_driver xen_driver = { + .ids = xdrv_ids, + .probe = xdrv_probe, + .remove = xdrv_remove, + .otherend_changed = xdrv_be_on_changed, +}; + +static int __init xdrv_init(void) +{ + if (!xen_domain()) + return -ENODEV; + + pr_info("Initialising Xen " XENSND_DRIVER_NAME " frontend driver\n"); + return xenbus_register_frontend(&xen_driver); +} + +static void __exit xdrv_cleanup(void) +{ + pr_info("Unregistering Xen " XENSND_DRIVER_NAME " frontend driver\n"); + xenbus_unregister_driver(&xen_driver); +} + +module_init(xdrv_init); +module_exit(xdrv_cleanup); + +MODULE_DESCRIPTION("Xen virtual sound device frontend"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("xen:"XENSND_DRIVER_NAME); +MODULE_SUPPORTED_DEVICE("{{ALSA,Virtual soundcard}}"); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Oleksandr Andrushchenko <andr2000@gmail.com> To: alsa-devel@alsa-project.org, xen-devel@lists.xen.org, linux-kernel@vger.kernel.org Cc: andr2000@gmail.com, Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>, tiwai@suse.com, perex@perex.cz Subject: [PATCH RESEND1 01/12] ALSA: vsnd: Introduce Xen para-virtualized sound frontend driver Date: Mon, 7 Aug 2017 15:22:46 +0300 [thread overview] Message-ID: <1502108577-8099-2-git-send-email-andr2000@gmail.com> (raw) In-Reply-To: <1502108577-8099-1-git-send-email-andr2000@gmail.com> From: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> Introduce skeleton of the para-virtualized Xen sound frontend driver. This patch only adds required essential stubs. Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> --- sound/drivers/xen-front.c | 78 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 sound/drivers/xen-front.c diff --git a/sound/drivers/xen-front.c b/sound/drivers/xen-front.c new file mode 100644 index 000000000000..61779c36cae3 --- /dev/null +++ b/sound/drivers/xen-front.c @@ -0,0 +1,78 @@ +/* + * Xen para-virtual sound device + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Based on: sound/drivers/dummy.c + * + * Copyright (C) 2016-2017 EPAM Systems Inc. + * + * Author: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com> + */ + +#include <linux/module.h> + +#include <xen/platform_pci.h> +#include <xen/xen.h> +#include <xen/xenbus.h> + +#include <xen/interface/io/sndif.h> + +static void xdrv_be_on_changed(struct xenbus_device *xb_dev, + enum xenbus_state backend_state) +{ +} + +static int xdrv_probe(struct xenbus_device *xb_dev, + const struct xenbus_device_id *id) +{ + return 0; +} + +static int xdrv_remove(struct xenbus_device *dev) +{ + return 0; +} + +static const struct xenbus_device_id xdrv_ids[] = { + { XENSND_DRIVER_NAME }, + { "" } +}; + +static struct xenbus_driver xen_driver = { + .ids = xdrv_ids, + .probe = xdrv_probe, + .remove = xdrv_remove, + .otherend_changed = xdrv_be_on_changed, +}; + +static int __init xdrv_init(void) +{ + if (!xen_domain()) + return -ENODEV; + + pr_info("Initialising Xen " XENSND_DRIVER_NAME " frontend driver\n"); + return xenbus_register_frontend(&xen_driver); +} + +static void __exit xdrv_cleanup(void) +{ + pr_info("Unregistering Xen " XENSND_DRIVER_NAME " frontend driver\n"); + xenbus_unregister_driver(&xen_driver); +} + +module_init(xdrv_init); +module_exit(xdrv_cleanup); + +MODULE_DESCRIPTION("Xen virtual sound device frontend"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("xen:"XENSND_DRIVER_NAME); +MODULE_SUPPORTED_DEVICE("{{ALSA,Virtual soundcard}}"); -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2017-08-07 12:27 UTC|newest] Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-08-07 12:22 [PATCH RESEND1 00/12] ALSA: vsnd: Add Xen para-virtualized frontend driver Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko [this message] 2017-08-07 12:22 ` [PATCH RESEND1 01/12] ALSA: vsnd: Introduce Xen para-virtualized sound " Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 02/12] ALSA: vsnd: Implement driver's probe/remove Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 03/12] ALSA: vsnd: Implement Xen bus state handling Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 04/12] ALSA: vsnd: Read sound driver configuration from Xen store Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 05/12] ALSA: vsnd: Implement Xen event channel handling Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 06/12] ALSA: vsnd: Implement handling of shared buffers Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 07/12] ALSA: vsnd: Introduce ALSA virtual sound driver Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 08/12] ALSA: vsnd: Initialize virtul sound card Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 09/12] ALSA: vsnd: Add timer for period interrupt emulation Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 10/12] ALSA: vsnd: Implement ALSA PCM operations Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 11/12] ALSA: vsnd: Implement communication with backend Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-07 12:22 ` [PATCH RESEND1 12/12] ALSA: vsnd: Introduce Kconfig option to enable Xen PV sound Oleksandr Andrushchenko 2017-08-07 12:22 ` Oleksandr Andrushchenko 2017-08-10 3:14 ` [PATCH RESEND1 00/12] ALSA: vsnd: Add Xen para-virtualized frontend driver Takashi Sakamoto 2017-08-10 3:14 ` Takashi Sakamoto 2017-08-10 3:14 ` Takashi Sakamoto 2017-08-10 8:10 ` Oleksandr Andrushchenko 2017-08-10 8:10 ` Oleksandr Andrushchenko 2017-08-10 8:10 ` Oleksandr Andrushchenko 2017-08-17 10:05 ` [Xen-devel] " Oleksandr Grytsov 2017-08-17 10:05 ` Oleksandr Grytsov 2017-08-18 5:43 ` Takashi Sakamoto 2017-08-18 5:43 ` Takashi Sakamoto 2017-08-18 5:56 ` Oleksandr Andrushchenko 2017-08-18 7:17 ` Takashi Sakamoto 2017-08-18 7:23 ` Oleksandr Andrushchenko 2017-08-18 7:23 ` Oleksandr Andrushchenko 2017-08-22 2:43 ` Takashi Sakamoto 2017-08-23 14:51 ` Oleksandr Grytsov 2017-08-23 14:51 ` Oleksandr Grytsov 2017-08-23 14:51 ` Oleksandr Grytsov 2017-08-24 4:38 ` Takashi Sakamoto 2017-08-24 7:04 ` Oleksandr Andrushchenko 2017-09-04 7:21 ` Oleksandr Andrushchenko 2017-09-04 7:21 ` Oleksandr Andrushchenko 2017-09-05 7:24 ` [alsa-devel] " Clemens Ladisch 2017-09-12 7:52 ` Oleksandr Grytsov 2017-09-12 7:52 ` Oleksandr Grytsov 2017-09-19 8:57 ` Oleksandr Andrushchenko 2017-09-19 8:57 ` Oleksandr Andrushchenko 2017-09-26 11:35 ` Oleksandr Andrushchenko 2017-10-04 6:50 ` Oleksandr Andrushchenko 2017-10-04 6:50 ` Oleksandr Andrushchenko 2017-10-13 6:15 ` Oleksandr Andrushchenko 2017-10-13 6:15 ` Oleksandr Andrushchenko 2017-10-30 6:33 ` [RFC] " Oleksandr Andrushchenko 2017-10-30 6:33 ` Oleksandr Andrushchenko 2017-11-02 9:44 ` Takashi Sakamoto 2017-11-02 9:55 ` Oleksandr Andrushchenko 2017-11-02 9:55 ` Oleksandr Andrushchenko 2017-11-02 9:44 ` Takashi Sakamoto 2017-09-26 11:35 ` [alsa-devel] [PATCH RESEND1 00/12] " Oleksandr Andrushchenko 2017-09-05 7:24 ` Clemens Ladisch 2017-08-24 7:04 ` Oleksandr Andrushchenko 2017-08-24 4:38 ` Takashi Sakamoto 2017-08-22 2:43 ` Takashi Sakamoto 2017-08-18 7:23 ` Oleksandr Andrushchenko 2017-08-18 7:17 ` Takashi Sakamoto 2017-08-18 5:56 ` Oleksandr Andrushchenko 2017-08-18 5:43 ` Takashi Sakamoto
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1502108577-8099-2-git-send-email-andr2000@gmail.com \ --to=andr2000@gmail.com \ --cc=alsa-devel@alsa-project.org \ --cc=linux-kernel@vger.kernel.org \ --cc=oleksandr_andrushchenko@epam.com \ --cc=perex@perex.cz \ --cc=tiwai@suse.com \ --cc=xen-devel@lists.xen.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.