From: Paolo Bonzini <pbonzini@redhat.com>
To: Hu Tao <hutao@cn.fujitsu.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Gleb Natapov <gleb@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
qemu-devel <qemu-devel@nongnu.org>,
Markus Armbruster <armbru@redhat.com>,
Blue Swirl <blauwirbel@gmail.com>,
Orit Wasserman <owasserm@redhat.com>,
Juan Quintela <quintela@redhat.com>,
Alexander Graf <agraf@suse.de>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Andrew Jones <drjones@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>,
Sasha Levin <levinsasha928@gmail.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Luiz Capitulino <lcapitulino@redhat.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Kevin Wolf <kwolf@redhat.com>,
Anthony Liguori <aliguori@us.ibm.com>,
Marcelo Tosatti <mtosatti@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event
Date: Thu, 14 Mar 2013 10:14:12 +0100 [thread overview]
Message-ID: <514194E4.3040208@redhat.com> (raw)
In-Reply-To: <5d85837fd58683b7e13ac78d6d468af6e152a512.1363243596.git.hutao@cn.fujitsu.com>
Il 14/03/2013 09:15, Hu Tao ha scritto:
> pvevent device is used to send guest panic event from guest to qemu.
>
> When guest panic happens, pvevent device driver will write a event
> number to IO port 0x505(which is the IO port occupied by pvevent device,
> by default). On receiving the event, pvevent device will pause guest
> cpu(s), and send a qmp event QEVENT_GUEST_PANICKED.
>
> TODO: make the IO port configurable
The port is already configurable as far as the device is concerned; when
you add the port to the PC boards you will have to wind up fw-cfg.
So these patches can go in already, with the sole change that the HID
must be in the QEMU namespace rather than MSFT.
Paolo
next prev parent reply other threads:[~2013-03-14 9:14 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-14 8:15 [Qemu-devel] [PATCH v14 0/4] pvevent device to deal with guest panic event Hu Tao
2013-03-14 8:15 ` [Qemu-devel] [PATCH v14 1/4] add a new runstate: RUN_STATE_GUEST_PANICKED Hu Tao
2013-03-20 8:58 ` Markus Armbruster
2013-03-20 10:54 ` Paolo Bonzini
2013-03-20 11:07 ` Markus Armbruster
2013-03-14 8:15 ` [Qemu-devel] [PATCH v14 2/4] add a new qevent: QEVENT_GUEST_PANICKED Hu Tao
2013-03-20 9:04 ` Markus Armbruster
2013-03-14 8:15 ` [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event Hu Tao
2013-03-14 9:14 ` Paolo Bonzini [this message]
2013-03-14 9:19 ` Gleb Natapov
2013-03-14 9:43 ` Paolo Bonzini
2013-03-14 11:00 ` Alexander Graf
2013-03-14 11:03 ` Paolo Bonzini
2013-03-14 11:23 ` Alexander Graf
2013-03-14 11:28 ` Gleb Natapov
2013-03-20 9:24 ` Markus Armbruster
2013-03-14 12:34 ` Gleb Natapov
2013-03-14 13:49 ` Paolo Bonzini
2013-03-14 13:56 ` Gleb Natapov
2013-03-14 14:05 ` Paolo Bonzini
2013-03-14 14:23 ` Gleb Natapov
2013-03-14 15:50 ` Paolo Bonzini
2013-03-14 15:59 ` Gleb Natapov
2013-03-14 16:13 ` Paolo Bonzini
2013-03-15 11:34 ` Gleb Natapov
2013-03-20 9:16 ` Markus Armbruster
2013-03-14 9:46 ` Hu Tao
2013-03-20 9:15 ` Markus Armbruster
2013-03-14 8:15 ` [Qemu-devel] [PATCH v14 4/4] pvevent: add document to describe the usage Hu Tao
2013-03-14 8:45 ` Paolo Bonzini
2013-03-14 9:35 ` Hu Tao
2013-03-14 20:35 ` Eric Blake
2013-03-14 8:58 ` [Qemu-devel] [PATCH v14 0/4] pvevent device to deal with guest panic event Gleb Natapov
2013-03-14 9:36 ` Hu Tao
2013-03-20 9:29 ` Markus Armbruster
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