qemu-kvm: vhost net port
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Cover letter [PATCH 00/20] qemu-kvm: vhost net port
This is port of vhost v1 patch set I posted previously to qemu-kvm, for those that want to get good performance out of it :)
This includes irqchip support and merge fixup on top of upstream patch.
Michael S. Tsirkin (20):
exec: memory notifiers
kvm: move kvm_set_phys_mem around
kvm: move kvm to use memory notifiers
qemu-kvm: fixup after merging memory notifiers
kvm: add API to set ioeventfd
notifier: event notifier implementation
virtio: add notifier support
virtio: add APIs for queue fields
virtio: add status change callback
virtio: move typedef to qemu-common
virtio-pci: fill in notifier support
tap: add interface to get device fd
vhost: vhost net support
tap: add vhost/vhostfd options
tap: add API to retrieve vhost net header
virtio-net: vhost net support
qemu-kvm: add vhost.h header
kvm: irqfd support
msix: add mask/unmask notifiers
virtio-pci: irqfd support
Makefile.target | 2 + cpu-common.h | 19 ++ exec.c | 111 ++++++++- hw/msix.c | 36 +++- hw/msix.h | 1 + hw/notifier.c | 50 ++++ hw/notifier.h | 16 ++ hw/pci.h | 6 + hw/s390-virtio-bus.c | 3 + hw/syborg_virtio.c | 2 + hw/vhost.c | 603 +++++++++++++++++++++++++++++++++++++++++++++ hw/vhost.h | 44 ++++ hw/vhost_net.c | 147 +++++++++++ hw/vhost_net.h | 20 ++ hw/virtio-net.c | 67 +++++- hw/virtio-pci.c | 95 +++++++ hw/virtio.c | 52 ++++- hw/virtio.h | 15 +- kvm-all.c | 353 ++++++++++++++++----------- kvm.h | 34 ++- kvm/include/linux/vhost.h | 130 ++++++++++ net.c | 8 + net/tap.c | 43 ++++ net/tap.h | 5 + qemu-common.h | 2 + qemu-kvm.c | 1 + qemu-options.hx | 4 +- 27 files changed, 1704 insertions(+), 165 deletions(-) create mode 100644 hw/notifier.c create mode 100644 hw/notifier.h create mode 100644 hw/vhost.c create mode 100644 hw/vhost.h create mode 100644 hw/vhost_net.c create mode 100644 hw/vhost_net.h create mode 100644 kvm/include/linux/vhost.h