Re: [PATCH 3/3] qemu: Add support for virtio device option paeg-per-vq

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1925363 Signed-off-by: Han Han <hhan(a)redhat.com&gt; --- src/qemu/qemu_command.c | 4 ++ src/qemu/qemu_hotplug.c | 3 +- src/qemu/qemu_validate.c | 8 ++++ .../virtio-options-controller-page_per_vq.err | 1 + ...-controller-page_per_vq.x86_64-latest.args | 37 ++++++++++++++++++ .../virtio-options-controller-page_per_vq.xml | 38 ++++++++++++++++++ .../virtio-options-disk-page_per_vq.err | 1 + ...ptions-disk-page_per_vq.x86_64-latest.args | 39 +++++++++++++++++++ .../virtio-options-disk-page_per_vq.xml | 34 ++++++++++++++++ .../virtio-options-fs-page_per_vq.err | 1 + ...-options-fs-page_per_vq.x86_64-latest.args | 37 ++++++++++++++++++ .../virtio-options-fs-page_per_vq.xml | 34 ++++++++++++++++ .../virtio-options-input-page_per_vq.err | 1 + ...tions-input-page_per_vq.x86_64-latest.args | 35 +++++++++++++++++ .../virtio-options-input-page_per_vq.xml | 30 ++++++++++++++ .../virtio-options-memballoon-page_per_vq.err | 1 + ...-memballoon-page_per_vq.x86_64-latest.args | 33 ++++++++++++++++ .../virtio-options-memballoon-page_per_vq.xml | 23 +++++++++++ .../virtio-options-net-page_per_vq.err | 1 + ...options-net-page_per_vq.x86_64-latest.args | 37 ++++++++++++++++++ .../virtio-options-net-page_per_vq.xml | 34 ++++++++++++++++ .../virtio-options-rng-page_per_vq.err | 1 + ...options-rng-page_per_vq.x86_64-latest.args | 37 ++++++++++++++++++ .../virtio-options-rng-page_per_vq.xml | 32 +++++++++++++++ .../virtio-options-video-page_per_vq.err | 1 + ...tions-video-page_per_vq.x86_64-latest.args | 37 ++++++++++++++++++ .../virtio-options-video-page_per_vq.xml | 36 +++++++++++++++++ .../virtio-options.x86_64-latest.args | 26 ++++++------- tests/qemuxml2argvdata/virtio-options.xml | 26 ++++++------- tests/qemuxml2argvtest.c | 22 +++++++++++ 30 files changed, 623 insertions(+), 27 deletions(-) create mode 100644 tests/qemuxml2argvdata/virtio-options-controller-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-controller-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-controller-page_per_vq.xml create mode 100644 tests/qemuxml2argvdata/virtio-options-disk-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-disk-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-disk-page_per_vq.xml create mode 100644 tests/qemuxml2argvdata/virtio-options-fs-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-fs-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-fs-page_per_vq.xml create mode 100644 tests/qemuxml2argvdata/virtio-options-input-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-input-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-input-page_per_vq.xml create mode 100644 tests/qemuxml2argvdata/virtio-options-memballoon-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-memballoon-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-memballoon-page_per_vq.xml create mode 100644 tests/qemuxml2argvdata/virtio-options-net-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-net-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-net-page_per_vq.xml create mode 100644 tests/qemuxml2argvdata/virtio-options-rng-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-rng-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-rng-page_per_vq.xml create mode 100644 tests/qemuxml2argvdata/virtio-options-video-page_per_vq.err create mode 100644 tests/qemuxml2argvdata/virtio-options-video-page_per_vq.x86_64-latest.args create mode 100644 tests/qemuxml2argvdata/virtio-options-video-page_per_vq.xml

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index b230314f7f..549f11dbe8 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -645,6 +645,10 @@ qemuBuildVirtioOptionsStr(virBuffer *buf, virBufferAsprintf(buf, ",packed=%s", virTristateSwitchTypeToString(virtio->packed)); } + if (virtio->page_per_vq != VIR_TRISTATE_SWITCH_ABSENT) { + virBufferAsprintf(buf, ",page-per-vq=%s", + virTristateSwitchTypeToString(virtio->page_per_vq)); + } } static int diff --git a/src/qemu/qemu_hotplug.c b/src/qemu/qemu_hotplug.c index 9c16ab4567..f2553a6831 100644 --- a/src/qemu/qemu_hotplug.c +++ b/src/qemu/qemu_hotplug.c @@ -3678,7 +3678,8 @@ qemuDomainChangeNet(virQEMUDriver *driver, (olddev->virtio && newdev->virtio && (olddev->virtio->iommu != newdev->virtio->iommu || olddev->virtio->ats != newdev->virtio->ats || - olddev->virtio->packed != newdev->virtio->packed))) { + olddev->virtio->packed != newdev->virtio->packed || + olddev->virtio->page_per_vq != newdev->virtio->page_per_vq))) { virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s", _("cannot modify virtio network device driver options")); goto cleanup; diff --git a/src/qemu/qemu_validate.c b/src/qemu/qemu_validate.c index 1a470f1ff5..93e8b55651 100644 --- a/src/qemu/qemu_validate.c +++ b/src/qemu/qemu_validate.c @@ -1478,6 +1478,14 @@ qemuValidateDomainVirtioOptions(const virDomainVirtioOptions *virtio, "QEMU binary")); return -1; } + + if (virtio->page_per_vq != VIR_TRISTATE_SWITCH_ABSENT && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_PAGE_PER_VQ)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("the page_per_vq setting is not supported with this " + "QEMU binary"));