There are couple of examples where this knob would be useful: https://bugs.launchpad.net/qemu/+bug/1846451
(look for those cmd line passthrough hacks), and one pretty recent request: https://listman.redhat.com/archives/libvir-list/2022-June/232611.html The last patch uses info from Kraxel's patch (which he posted after our private discussion): https://lists.gnu.org/archive/html/qemu-devel/2022-07/msg01733.html Michal Prívozník (5): tests: Update hostdev-usb-* hostdev-pci-* xml2xml and xml2argv tests conf: Introduce @guestReset to hostdev's <source/> qemu_capabilities: Track usb-host.guest-resets-all capability qemu_validate: Validate that QEMU's capable of guestReset qemu: Generate cmd line for guestReset docs/formatdomain.rst | 15 +++++++- src/conf/domain_conf.c | 18 +++++++++ src/conf/domain_conf.h | 13 +++++++ src/conf/schemas/domaincommon.rng | 9 +++++ src/qemu/qemu_capabilities.c | 2 + src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_command.c | 21 ++++++++++ src/qemu/qemu_validate.c | 8 ++++ .../qemucapabilitiesdata/caps_3.1.0.ppc64.xml | 1 + .../caps_3.1.0.x86_64.xml | 1 + .../caps_4.0.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_4.0.0.ppc64.xml | 1 + .../caps_4.0.0.riscv32.xml | 1 + .../caps_4.0.0.riscv64.xml | 1 + .../qemucapabilitiesdata/caps_4.0.0.s390x.xml | 1 + .../caps_4.0.0.x86_64.xml | 1 + .../caps_4.1.0.x86_64.xml | 1 + .../caps_4.2.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_4.2.0.ppc64.xml | 1 + .../qemucapabilitiesdata/caps_4.2.0.s390x.xml | 1 + .../caps_4.2.0.x86_64.xml | 1 + .../caps_5.0.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_5.0.0.ppc64.xml | 1 + .../caps_5.0.0.riscv64.xml | 1 + .../caps_5.0.0.x86_64.xml | 1 + .../caps_5.1.0.x86_64.xml | 1 + .../caps_5.2.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_5.2.0.ppc64.xml | 1 + .../caps_5.2.0.riscv64.xml | 1 + .../caps_5.2.0.x86_64.xml | 1 + .../caps_6.0.0.aarch64.xml | 1 + .../caps_6.0.0.x86_64.xml | 1 + .../caps_6.1.0.x86_64.xml | 1 + .../caps_6.2.0.aarch64.xml | 1 + .../caps_6.2.0.x86_64.xml | 1 + .../caps_7.0.0.aarch64.xml | 1 + .../qemucapabilitiesdata/caps_7.0.0.ppc64.xml | 1 + .../caps_7.0.0.x86_64.xml | 1 + .../caps_7.1.0.x86_64.xml | 1 + .../hostdev-pci-address-device.args | 34 ----------------- ...tdev-pci-address-device.x86_64-latest.args | 38 +++++++++++++++++++ .../hostdev-pci-address-device.xml | 2 +- .../qemuxml2argvdata/hostdev-pci-address.args | 33 ---------------- .../hostdev-pci-address.x86_64-latest.args | 37 ++++++++++++++++++ .../qemuxml2argvdata/hostdev-pci-address.xml | 2 +- .../hostdev-usb-address-device-boot.args | 34 ----------------- ...usb-address-device-boot.x86_64-latest.args | 38 +++++++++++++++++++ .../hostdev-usb-address-device-boot.xml | 2 +- .../hostdev-usb-address-device.args | 34 ----------------- ...tdev-usb-address-device.x86_64-latest.args | 38 +++++++++++++++++++ .../hostdev-usb-address-device.xml | 2 +- .../qemuxml2argvdata/hostdev-usb-address.args | 33 ---------------- .../hostdev-usb-address.x86_64-latest.args | 37 ++++++++++++++++++ .../qemuxml2argvdata/hostdev-usb-address.xml | 4 +- tests/qemuxml2argvtest.c | 10 ++--- ... => hostdev-pci-address.x86_64-latest.xml} | 7 +++- ... => hostdev-usb-address.x86_64-latest.xml} | 9 +++-- tests/qemuxml2xmltest.c | 4 +- 58 files changed, 329 insertions(+), 187 deletions(-) delete mode 100644 tests/qemuxml2argvdata/hostdev-pci-address-device.args create mode 100644 tests/qemuxml2argvdata/hostdev-pci-address-device.x86_64-latest.args delete mode 100644 tests/qemuxml2argvdata/hostdev-pci-address.args create mode 100644 tests/qemuxml2argvdata/hostdev-pci-address.x86_64-latest.args delete mode 100644 tests/qemuxml2argvdata/hostdev-usb-address-device-boot.args create mode 100644 tests/qemuxml2argvdata/hostdev-usb-address-device-boot.x86_64-latest.args delete mode 100644 tests/qemuxml2argvdata/hostdev-usb-address-device.args create mode 100644 tests/qemuxml2argvdata/hostdev-usb-address-device.x86_64-latest.args delete mode 100644 tests/qemuxml2argvdata/hostdev-usb-address.args create mode 100644 tests/qemuxml2argvdata/hostdev-usb-address.x86_64-latest.args rename tests/qemuxml2xmloutdata/{hostdev-pci-address.xml => hostdev-pci-address.x86_64-latest.xml} (86%) rename tests/qemuxml2xmloutdata/{hostdev-usb-address.xml => hostdev-usb-address.x86_64-latest.xml} (83%) -- 2.35.1
