Hi, here's the companion patchset to "KVM: irqfds for s390", based on Christian's s390-next branch. Patch 1 adds support for adapter interrupts to virtio-ccw. This has been posted before, modulo some fixes. Patch 2 grabs the interfaces introduced by the kernel patchset. Will be replaced by a normal headers update. Patch 3 introduces simple wrappers for enabling capabilities. We can convert existing users later on. Patch 4 registers an I/O adapter when we enable adapter interrupts for a device. We just have one virtio-ccw adapter for one interruption subclass. Patch 5 adds reference counting for indicators. This is needed because we want to map and pin indicator pages and drop them again when the last user is gone. Patch 6 finally enables irqfds via irq routing on s390x/virtio-ccw. We've done most of the work in qemu already, so the kernel basically only needs to write to the correct memory location and inject an interrupt. A git branch with the patches is available at https://github.com/cohuck/qemu.git s390x-irqfd Cornelia Huck (6): s390x/virtio-ccw: Adapter interrupt support. linux-headers: add new interfaces kvm: add kvm_enable_cap_{vm,vcpu} s390x: Add I/O adapter registration. s390x/virtio-ccw: reference-counted indicators s390x/virtio-ccw: Wire up irq routing and irqfds. hw/intc/s390_flic.c | 66 +++++++++ hw/s390x/css.c | 61 ++++++++ hw/s390x/css.h | 6 + hw/s390x/virtio-ccw.c | 325 +++++++++++++++++++++++++++++++++++++++--- hw/s390x/virtio-ccw.h | 18 ++- include/hw/s390x/adapter.h | 23 +++ include/qemu/typedefs.h | 1 + include/sysemu/kvm.h | 6 + kvm-all.c | 57 +++++++- kvm-stub.c | 5 + linux-headers/asm-s390/kvm.h | 22 +++ linux-headers/linux/kvm.h | 16 +++ target-s390x/cpu.h | 33 +++++ target-s390x/ioinst.h | 2 + target-s390x/kvm.c | 13 +- trace-events | 1 + 16 files changed, 627 insertions(+), 28 deletions(-) create mode 100644 include/hw/s390x/adapter.h -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
