[libvirt] [PATCH v4 2/6] qemu: Add the capability to detect if the qemu binary have the capability to use bps_max and friends

[Michal Privoznik]

On 30.09.2014 16:09, Matthias Gatto wrote:
> Add a value in the enum virQEMUCapsFlags for the qemu capability.
> Set it with virQEMUCapsSet if the binary suport bps_max and they friends.
>
> Signed-off-by: Matthias Gatto <matthias.gatto at outscale.com>
> ---
>   src/qemu/qemu_capabilities.c                 | 2 ++
>   src/qemu/qemu_capabilities.h                 | 1 +
>   tests/qemucapabilitiesdata/caps_2.1.1-1.caps | 1 +
>   3 files changed, 4 insertions(+)
>
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index a409aaf..b73d520 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -270,6 +270,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
>                 "splash-timeout", /* 175 */
>                 "iothread",
>                 "migrate-rdma",
> +              "drive-iotune-max",
>       );
>
>
> @@ -2448,6 +2449,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
>       { "spice", "disable-agent-file-xfer", QEMU_CAPS_SPICE_FILE_XFER_DISABLE },
>       { "msg", "timestamp", QEMU_CAPS_MSG_TIMESTAMP },
>       { "numa", NULL, QEMU_CAPS_NUMA },
> +    { "drive", "throttling.bps-total-max", QEMU_CAPS_DRIVE_IOTUNE_MAX},
>   };
>
>   static int
> diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
> index a0bb5d3..9778be5 100644
> --- a/src/qemu/qemu_capabilities.h
> +++ b/src/qemu/qemu_capabilities.h
> @@ -217,6 +217,7 @@ typedef enum {
>       QEMU_CAPS_SPLASH_TIMEOUT     = 175, /* -boot splash-time */
>       QEMU_CAPS_OBJECT_IOTHREAD    = 176, /* -object iothread */
>       QEMU_CAPS_MIGRATE_RDMA       = 177, /* have rdma migration */
> +    QEMU_CAPS_DRIVE_IOTUNE_MAX   = 178, /* -drive bps_max= and friends */
>
>       QEMU_CAPS_LAST,                   /* this must always be the last item */
>   } virQEMUCapsFlags;
> diff --git a/tests/qemucapabilitiesdata/caps_2.1.1-1.caps b/tests/qemucapabilitiesdata/caps_2.1.1-1.caps
> index 71d2459..fadfbb0 100644
> --- a/tests/qemucapabilitiesdata/caps_2.1.1-1.caps
> +++ b/tests/qemucapabilitiesdata/caps_2.1.1-1.caps
> @@ -159,4 +159,5 @@
>       <flag name='splash-timeout'/>
>       <flag name='iothread'/>
>       <flag name='migrate-rdma'/>
> +    <flag name='drive-iotune-max'/>
>     </qemuCaps>
>

ACK

Michal