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Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing at
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command |
Date: |
Mon, 25 Oct 2010 06:16:13 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Oct 22, 2010 at 09:52:19AM -0500, Anthony Liguori wrote:
> On 10/22/2010 09:38 AM, Michael S. Tsirkin wrote:
> >On Fri, Oct 22, 2010 at 01:35:47PM +0200, Markus Armbruster wrote:
> >>"Michael S. Tsirkin"<address@hidden> writes:
> >>
> >>>On Wed, Oct 20, 2010 at 05:18:56PM +0900, Isaku Yamahata wrote:
> >>>>glue pcie_push_attention_button command.
> >>>>
> >>>>Signed-off-by: Isaku Yamahata<address@hidden>
> >>>So as a high level command, I think we need to
> >>>think about how to tie this into pci_add/pci_del.
> >>>Right?
> >>[...]
> >>
> >>Do we have consensus how our set of commands for hot plug should look
> >>like? We talked about it, but did we reach consensus? If yes, did we
> >>write it down somewhere?
> >I think for simple things yes:
> >- command to send hotplug notification to the guest
> >- command to immediately add/remove the device
> >- event to notify about guest ack
>
> Is it a guest ack? I thought it was actually an eject that can be
> initiated without the notification being sent to the guest.
Yes.
> If so, polling doesn't really make much sense.
Who said something about polling?
> Regards,
>
> Anthony Liguori
>
> >- way to poll status: did guest ack last command?
> >
> >Existing ones will keep function:
> >- send notification and when acked remove device
> >- add device and send notification
> >These are useful for human monitor but maybe not
> >for management.
> >
> >
- [Qemu-devel] Re: [PATCH v6 02/12] pci/bridge: fix pci_bridge_reset(), (continued)
[Qemu-devel] [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Isaku Yamahata, 2010/10/20
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Markus Armbruster, 2010/10/22
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Michael S. Tsirkin, 2010/10/22
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Anthony Liguori, 2010/10/22
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command,
Michael S. Tsirkin <=
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Isaku Yamahata, 2010/10/24
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Michael S. Tsirkin, 2010/10/25
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Isaku Yamahata, 2010/10/25
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Michael S. Tsirkin, 2010/10/25
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Isaku Yamahata, 2010/10/25
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Michael S. Tsirkin, 2010/10/25
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Isaku Yamahata, 2010/10/26
Re: [Qemu-devel] Re: [PATCH v6 07/12] pcie/hotplug: introduce pushing attention button command, Michael S. Tsirkin, 2010/10/27
[Qemu-devel] [PATCH v6 10/12] ioh3420: support aer, Isaku Yamahata, 2010/10/20
[Qemu-devel] [PATCH v6 06/12] x3130: pcie downstream port, Isaku Yamahata, 2010/10/20