From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: Julien Grall <julien.grall@arm.com>
Cc: "Lars Kurth" <lars.kurth@citrix.com>,
"Iurii Konovalenko" <iurii.konovalenko@globallogic.com>,
"Volodymyr Babchuk" <vlad.babchuk@gmail.com>,
ian.jackson@eu.citrix.com,
"Dario Faggioli" <dario.faggioli@citrix.com>,
"Tim Deegan" <tim@xen.org>,
"Andrii Anisov" <andrii.anisov@gmail.com>,
"Oleksandr Tyshchenko" <olekstysh@gmail.com>,
embedded-pv-devel <embedded-pv-devel@lists.xenproject.org>,
"Грицов Олександр" <al1img@gmail.com>,
"David Vrabel" <david.vrabel@citrix.com>,
"Jan Beulich" <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>,
"Oleksandr Dmytryshyn" <oleksandr.dmytryshyn@globallogic.com>,
"Mygaiev Artem" <joculator@gmail.com>
Subject: Re: [Embedded-pv-devel] [PATCH v9] xen: add para-virtual sound interface header files
Date: Thu, 24 Nov 2016 16:28:40 +0200 [thread overview]
Message-ID: <CANY+8deqPDotWWn3FppFDq55jyJjh5=HCWyMU8CG+w2R974dxg@mail.gmail.com> (raw)
In-Reply-To: <2171baff-7cc7-2c40-2715-68bfc473c6ad@arm.com>
> I don't consider sndif.h been agnostic. It is just a bunch of array
> definition.
>
I am not sure I'm following you here.
sndif.h doesn't have any platform specific definitions, but sndif_linux.h does.
Both don't define any methods, but only structures (and __packed as of now).
>Each OS would have to implement their own headers in order to
> easily access command fields.
This is what I did for Linux, the result is sndif_linux.h
> All the other PV protocols are able to define structure that are platform
> agnostic. I would like to understand why you cannot do this here.
>
> Not mentioning that using __packed is usually a bad idea because it can
> mess-up with the natural alignment of the fields and makes the programmer's
> life more miserable (see an example in drm PV drivers).
I need some more time for that
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next prev parent reply other threads:[~2016-11-24 14:28 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-23 16:38 [PATCH v9] sndif: add ABI for para-virtual sound Oleksandr Andrushchenko
2016-11-23 16:38 ` [PATCH v9] xen: add para-virtual sound interface header files Oleksandr Andrushchenko
2016-11-24 10:58 ` Jan Beulich
2016-11-24 11:49 ` Oleksandr Andrushchenko
2016-11-24 12:15 ` Jan Beulich
2016-11-24 12:52 ` Oleksandr Andrushchenko
2016-11-24 13:02 ` Jan Beulich
2016-11-24 12:15 ` [Embedded-pv-devel] " Julien Grall
2016-11-24 12:53 ` Oleksandr Andrushchenko
2016-11-24 13:00 ` Julien Grall
2016-11-24 14:28 ` Oleksandr Andrushchenko [this message]
2016-11-24 13:04 ` Jan Beulich
2016-11-24 13:18 ` Artem Mygaiev
2016-11-24 13:31 ` Jan Beulich
2016-11-24 14:58 ` Artem Mygaiev
2016-11-24 15:09 ` Julien Grall
2016-11-24 15:50 ` Artem Mygaiev
2016-11-24 16:08 ` Julien Grall
2016-11-24 16:29 ` Artem Mygaiev
2016-11-24 15:11 ` Jan Beulich
2016-11-24 15:29 ` Oleksandr Andrushchenko
2016-11-24 12:13 ` Julien Grall
2016-11-24 12:35 ` Oleksandr Andrushchenko
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