On 03/14/2018 01:33 PM, Daniel P. Berrangé wrote:
> QEMU >= 2.12 will support passing of pre-opened file descriptors for
> socket based character devices.
>
> XXXX should we include 2.12 pre-release git snapshot of capaibilities ?
>
> Signed-off-by: Daniel P. Berrangé <berrange@xxxxxxxxxx>
> ---
> src/qemu/qemu_capabilities.c | 2 ++
> src/qemu/qemu_capabilities.h | 1 +
> 2 files changed, 3 insertions(+)
>
Going to need some merging and the above commit message will need some
tweaking and of course the qemucapabilitiestest run to update the 2.12
caps files to add the flag... With those adjustments,
Reviewed-by: John Ferlan <jferlan@xxxxxxxxxx>
John
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 3eb5ed6d1a..c20dc32126 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -459,6 +459,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
> "pl011",
> "machine.pseries.max-cpu-compat",
> "dump-completed",
> + "chardev-fd-pass",
> );
>
>
> @@ -3196,6 +3197,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
> { "machine", "loadparm", QEMU_CAPS_LOADPARM },
> { "vnc", "vnc", QEMU_CAPS_VNC_MULTI_SERVERS },
> { "chardev", "reconnect", QEMU_CAPS_CHARDEV_RECONNECT },
> + { "chardev", "fd", QEMU_CAPS_CHARDEV_FD_PASS },
> };
>
> static int
> diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
> index c2ec2be193..aedf3c2d5e 100644
> --- a/src/qemu/qemu_capabilities.h
> +++ b/src/qemu/qemu_capabilities.h
> @@ -444,6 +444,7 @@ typedef enum {
> QEMU_CAPS_DEVICE_PL011, /* -device pl011 (not user-instantiable) */
> QEMU_CAPS_MACHINE_PSERIES_MAX_CPU_COMPAT, /* -machine pseries,max-cpu-compat= */
> QEMU_CAPS_DUMP_COMPLETED, /* DUMP_COMPLETED event */
> + QEMU_CAPS_CHARDEV_FD_PASS, /* Passing pre-opened FDs for chardevs */
>
> QEMU_CAPS_LAST /* this must always be the last item */
> } virQEMUCapsFlags;
>
--
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