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[Qemu-devel] Re: Multiple Port Support for virtio-console
From: |
Amit Shah |
Subject: |
[Qemu-devel] Re: Multiple Port Support for virtio-console |
Date: |
Thu, 10 Sep 2009 17:27:12 +0530 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
On (Wed) Sep 09 2009 [13:41:59], Amit Shah wrote:
>
> Hello all,
>
> Here is a new iteration of the patch series that implements a
> transport for guest and host communications.
>
> I've tested for compatibility (old qemu & new kernel, new qemu & old
> kernel, new qemu & new kernel) and it all works fine*. Migration works
> with the patch Juan just posted.
>
> There are a few items on my todo list but this works well.
>
> New since last send:
> - migrate per-port buffers that are queued up
> - in-qemu api for open/close/read/write of ports.
> - the read() is a callback that's invoked when complete data
> corresponding to one write() request on the guest is available.
> - removed comments from virtio_console.c that are no longer relevant.
> - address review comments by Juan
>
> TODO:
> - Convert all config writes to little endian in qemu / convert from
> little endian to host endian in guest
> - Address a few FIXMEs spread in the code
> - Introduce a watermark to stop a rogue host process flooding guest
> with data
>
> Conditions:
> * Heavy IO on an hvc port and a non-hvc port causes memory corruption
> each time, same place. It could be realted to locking but I doubt
> that. This still has to be sorted out
I can't reproduce this badness anymore with the linux-next kernel in the
guest.
So I request the maintainers to please review this patchset for and
consider for inclusion.
Thanks,
Amit
- [Qemu-devel] Re: [PATCH 2/2] virtio-console: Add interface for generic guest-host communication, (continued)
[Qemu-devel] Multiple Port Support for virtio-console, Amit Shah, 2009/09/09
- [Qemu-devel] [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication, Amit Shah, 2009/09/09
- [Qemu-devel] [PATCH 1/5] char: Emit 'OPENED' events on char device open, Amit Shah, 2009/09/09
- [Qemu-devel] [PATCH 2/5] virtio-console: Add support for multiple ports for generic guest-host communication, Amit Shah, 2009/09/09
- [Qemu-devel] [PATCH 3/5] virtio-console: in-qemu api for open/read/write/close ports, Amit Shah, 2009/09/09
- [Qemu-devel] [PATCH 4/5] vnc: add a is_vnc_active() helper, Amit Shah, 2009/09/09
- [Qemu-devel] [PATCH 5/5] vnc: Send / receive guest clipboard if virtio-console connected to clipboard port, Amit Shah, 2009/09/09
[Qemu-devel] Re: Multiple Port Support for virtio-console,
Amit Shah <=
[Qemu-devel] Multiple port support for virtio-console, Amit Shah, 2009/09/22
- [Qemu-devel] [PATCH 1/4] char: Emit 'OPENED' events on char device open, Amit Shah, 2009/09/22
- Re: [Qemu-devel] [PATCH 3/4] virtio-console: Add support for multiple ports for generic guest-host communication, Gerd Hoffmann, 2009/09/23
- Re: [Qemu-devel] [PATCH 3/4] virtio-console: Add support for multiple ports for generic guest-host communication, Amit Shah, 2009/09/23
- Re: [Qemu-devel] [PATCH 3/4] virtio-console: Add support for multiple ports for generic guest-host communication, Gerd Hoffmann, 2009/09/23
- Re: [Qemu-devel] [PATCH 3/4] virtio-console: Add support for multiple ports for generic guest-host communication, Amit Shah, 2009/09/23