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[Qemu-devel] [PATCH 00/15] vhost-net: preview
From: |
Michael S. Tsirkin |
Subject: |
[Qemu-devel] [PATCH 00/15] vhost-net: preview |
Date: |
Thu, 4 Feb 2010 14:41:49 +0200 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
Here's a patchset with vhost support for upstream qemu.
Note that irqchip/MSI is no longer required for vhost, but you should
not expect performance gains from vhost unless in-kernel irqchip is
enabled (which is not in upstream qemu now), and unless guest enables
MSI. A follow-up patchset against qemu-kvm will add irqchip support.
Only virtio-pci is currently supported: I'm interested in supporting
syborg/s390 as well, and tried to make APIs generic to make this
possible.
Also missing is packet socket backend: another team is working on this.
Michael S. Tsirkin (15):
exec: memory notifiers
kvm: move kvm_set_phys_mem around
kvm: move kvm to use 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
Makefile.target | 2 +
cpu-common.h | 19 ++
exec.c | 110 +++++++++-
hw/notifier.c | 50 ++++
hw/notifier.h | 16 ++
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 | 68 ++++++
hw/virtio.c | 52 +++++-
hw/virtio.h | 15 +-
kvm-all.c | 330 ++++++++++++++++------------
kvm.h | 24 ++-
net.c | 8 +
net/tap.c | 43 ++++
net/tap.h | 5 +
qemu-common.h | 2 +
qemu-options.hx | 4 +-
22 files changed, 1470 insertions(+), 164 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
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