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[Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed
From: |
Luiz Capitulino |
Subject: |
[Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add |
Date: |
Thu, 25 Mar 2010 15:34:06 -0300 |
On Thu, 25 Mar 2010 09:17:17 +0530
Amit Shah <address@hidden> wrote:
> On (Wed) Mar 24 2010 [17:34:15], Luiz Capitulino wrote:
> > On Wed, 24 Mar 2010 20:19:28 +0530
> > Amit Shah <address@hidden> wrote:
> >
> > > When adding a port or a device to the guest fails, management software
> > > might be interested in knowing and then cleaning up the host-side of the
> > > port. Introduce QMP events to signal such errors.
> >
> > I'm completely unfamiliar with virtio-serial, so let me ask: how are ports
> > added? I'd expect the command performing this operation to fail in this
> > case.
>
> If adding the port fails in qemu, then the command will fail. However if
> adding the port in the guest fails, we raise this QMP event. Adding in
> the guest could fail because of several reasons, like ENOMEM. In this
> case, the mgmt might want to hot-unplug the port from qemu so that
> resources are freed and also apps are notified of guest side not ready.
Ok, what about a disconnect? Does virtio-serial have this kind of action?
- [Qemu-devel] [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, (continued)
- [Qemu-devel] [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Amit Shah, 2010/03/24
- [Qemu-devel] [PATCH 11/15] virtio-serial: Send out guest data to ports only if port is opened, Amit Shah, 2010/03/24
- [Qemu-devel] [PATCH 12/15] iov: Introduce a new file for helpers around iovs, add iov_from_buf(), Amit Shah, 2010/03/24
- [Qemu-devel] [PATCH 13/15] iov: Add iov_to_buf and iov_size helpers, Amit Shah, 2010/03/24
- [Qemu-devel] [PATCH 14/15] virtio-serial: Handle scatter-gather buffers for control messages, Amit Shah, 2010/03/24
- [Qemu-devel] [PATCH 15/15] virtio-serial: Handle scatter/gather input from the guest, Amit Shah, 2010/03/24
- [Qemu-devel] Re: [PATCH 14/15] virtio-serial: Handle scatter-gather buffers for control messages, Juan Quintela, 2010/03/30
- [Qemu-devel] Re: [PATCH 14/15] virtio-serial: Handle scatter-gather buffers for control messages, Amit Shah, 2010/03/30
- [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Luiz Capitulino, 2010/03/24
- [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Amit Shah, 2010/03/24
- [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add,
Luiz Capitulino <=
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Jamie Lokier, 2010/03/25
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Amit Shah, 2010/03/25
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Jamie Lokier, 2010/03/26
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Amit Shah, 2010/03/26
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Jamie Lokier, 2010/03/26
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Amit Shah, 2010/03/26
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Jamie Lokier, 2010/03/26
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Amit Shah, 2010/03/26
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Jamie Lokier, 2010/03/28
- Re: [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add, Luiz Capitulino, 2010/03/26