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Re: [Qemu-devel] [PATCH v15.1 4/6] pvpanic: add document of pvpanic
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v15.1 4/6] pvpanic: add document of pvpanic |
Date: |
Tue, 26 Mar 2013 10:21:07 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130311 Thunderbird/17.0.4 |
Il 26/03/2013 04:03, Hu Tao ha scritto:
> Signed-off-by: Hu Tao <address@hidden>
> ---
> docs/specs/pvpanic.txt | 35 +++++++++++++++++++++++++++++++++++
> 1 file changed, 35 insertions(+)
> create mode 100644 docs/specs/pvpanic.txt
>
> diff --git a/docs/specs/pvpanic.txt b/docs/specs/pvpanic.txt
> new file mode 100644
> index 0000000..1f14063
> --- /dev/null
> +++ b/docs/specs/pvpanic.txt
> @@ -0,0 +1,35 @@
> +PVPANIC DEVICE
> +==============
> +
> +pvpanic device is a simulated ISA device, through which a guest panic
> +event is sent to qemu, and a QMP event is generated. This allows
> +management apps (e.g. libvirt) to be notified and respond to the event.
> +
> +The management app has the option of waiting for GUEST_PANICKED events,
> +and/or polling for guest-panicked RunState, to learn when the pvpanic
> +device has fired a panic event.
> +
> +ISA Interface
> +-------------
> +
> +pvpanic uses port 0x505 to receive a panic event from the guest. On
> +written, bit 0 is set to indicate guest panic has happened. On read, bit
> +0 is set to indicate guest panic notification is supported.
> +
> +ACPI Interface
> +--------------
> +
> +pvpanic device is defined with ACPI ID "QEMU0001". Custom methods:
> +
> +RDPT: To determine whether guest panic notification is supported.
> +Rrguments: None
> +Return: Returns a byte, bit 0 set to indicate guest panic
> + notification is supported.
> +
> +WRPT: To send a guest panic event
> +Arguments: Arg0 is a byte, with bit 0 set to indicate guest panic has
> + happened.
> +Return: None
> +
> +The ACPI device will automatically refer to the right port in case it
> +is modified.
>
Looks good.
Paolo
- [Qemu-devel] [PATCH v15 0/6] Add pvpanic device to deal with guest panic event, Hu Tao, 2013/03/21
- [Qemu-devel] [PATCH v15 3/6] introduce a new qom device to deal with panicked event, Hu Tao, 2013/03/21
- [Qemu-devel] [PATCH v15 4/6] pvpanic: add document of pvpanic, Hu Tao, 2013/03/21
- Re: [Qemu-devel] [PATCH v15 4/6] pvpanic: add document of pvpanic, Paolo Bonzini, 2013/03/21
- Re: [Qemu-devel] [PATCH v15 4/6] pvpanic: add document of pvpanic, Hu Tao, 2013/03/22
- [Qemu-devel] [PATCH v15.1 4/6] pvpanic: add document of pvpanic, Hu Tao, 2013/03/25
- Re: [Qemu-devel] [PATCH v15.1 4/6] pvpanic: add document of pvpanic,
Paolo Bonzini <=
- Re: [Qemu-devel] [PATCH v15.1 4/6] pvpanic: add document of pvpanic, Eric Blake, 2013/03/26
- [Qemu-devel] [PATCH v15.2 4/6] pvpanic: add document of pvpanic, Hu Tao, 2013/03/28
- Re: [Qemu-devel] [PATCH v15.2 4/6] pvpanic: add document of pvpanic, Eric Blake, 2013/03/28
- Re: [Qemu-devel] [PATCH v15.2 4/6] pvpanic: add document of pvpanic, Paolo Bonzini, 2013/03/28
- Re: [Qemu-devel] [PATCH v15.2 4/6] pvpanic: add document of pvpanic, Hu Tao, 2013/03/29
- Re: [Qemu-devel] [PATCH v15.2 4/6] pvpanic: add document of pvpanic, Hu Tao, 2013/03/29
Re: [Qemu-devel] [PATCH v15 4/6] pvpanic: add document of pvpanic, Eric Blake, 2013/03/21
[Qemu-devel] [PATCH v15 2/6] add a new qevent: QEVENT_GUEST_PANICKED, Hu Tao, 2013/03/21
[Qemu-devel] [PATCH v15 1/6] add a new runstate: RUN_STATE_GUEST_PANICKED, Hu Tao, 2013/03/21