[libvirt] [PATCHv4 0/5] S390: Support for native CCW bus

Originally, QEMU did not implement a native I/O bus for s390. The initial implementation had a machine type 's390-virtio' featuring a fully paravirtualized I/O system with an artificial bus type 'virtio-s390'. This bus had a number of short-comings, like the need for a non-standard device discovery mechanism, a limited number of devices, limited hotplugging capabilites and the lack of persistent device addresses. To resolve these issues a new machine type 's390-ccw-virtio' has been recently added to QEMU which implementa the native s390 CCW I/O bus. Guests with arch='s390x' and machine='s390-ccw-virtio' can now be defined with up to 262144 virtio devices. This series adds the support for the s390-ccw-virtio machine type and the CCW bus to libvirt. As usual we start with the documentation/schema, the generic configuration stuff, continue with the QEMU driver including device hotplug and finally add qemu2xml testcases. V2 Changes - use an attribute triple cssid, ssid, schid instead of devno to better represent the libvirt CCW address structure - rebase to current upstream, mainly address qemuCapsXXX rename V3 Changes - skip already acked patches 1/5 and 2/5 - revert machine-based capabilities - use machine definition from domain object V4 Changes - schid was technically wrong, the attribute name has to be devno: changed all occurrences accordingly - re-introduce reverted patches 1/5 and 2/5 with schid/devno correction - rebase to current upstream J.B. Joret (1): S390: Add hotplug support for s390 virtio devices Viktor Mihajlovski (4): S390: Documentation for CCW address type S390: domain_conf support for CCW S390: QEMU driver support for CCW addresses S390: Testcases for virtio-ccw machines docs/formatdomain.html.in | 14 + docs/schemas/domaincommon.rng | 52 ++++ src/conf/domain_conf.c | 107 +++++++- src/conf/domain_conf.h | 16 ++ src/libvirt_private.syms | 1 + src/qemu/qemu_capabilities.c | 7 +- src/qemu/qemu_capabilities.h | 1 + src/qemu/qemu_command.c | 279 ++++++++++++++++++-- src/qemu/qemu_command.h | 6 + src/qemu/qemu_domain.c | 1 + src/qemu/qemu_domain.h | 3 + src/qemu/qemu_driver.c | 6 +- src/qemu/qemu_hotplug.c | 152 +++++++---- src/qemu/qemu_hotplug.h | 14 +- src/qemu/qemu_process.c | 3 + .../qemuxml2argv-console-virtio-ccw.args | 10 + .../qemuxml2argv-console-virtio-ccw.xml | 27 ++ .../qemuxml2argv-console-virtio-s390.args | 4 +- .../qemuxml2argv-console-virtio-s390.xml | 2 +- .../qemuxml2argv-disk-virtio-ccw-many.args | 12 + .../qemuxml2argv-disk-virtio-ccw-many.xml | 40 +++ .../qemuxml2argv-disk-virtio-ccw.args | 8 + .../qemuxml2argv-disk-virtio-ccw.xml | 30 +++ .../qemuxml2argv-net-virtio-ccw.args | 8 + .../qemuxml2argv-net-virtio-ccw.xml | 30 +++ tests/qemuxml2argvtest.c | 12 +- tests/testutilsqemu.c | 3 +- 27 files changed, 766 insertions(+), 82 deletions(-) create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-console-virtio-ccw.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-console-virtio-ccw.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-ccw-many.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-ccw-many.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-ccw.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-ccw.xml create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-net-virtio-ccw.args create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-net-virtio-ccw.xml -- 1.7.9.5