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author | Cornelia Huck | 2020-03-18 11:39:40 +0100 |
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committer | Cornelia Huck | 2020-03-23 12:36:27 +0100 |
commit | f58f084e71c6aeee066a30fc87422820e94a6cfc (patch) | |
tree | 4680a014f6df503f4feb608553317f237759dc14 /docs/system/target-s390x.rst | |
parent | Merge remote-tracking branch 'remotes/elmarco/tags/slirp-pull-request' into s... (diff) | |
download | qemu-f58f084e71c6aeee066a30fc87422820e94a6cfc.tar.gz qemu-f58f084e71c6aeee066a30fc87422820e94a6cfc.tar.xz qemu-f58f084e71c6aeee066a30fc87422820e94a6cfc.zip |
Documentation: create/move s390x documentation
Create a subdirectory for s390x under docs/system/ and move the
existing vfio-ap documentation there.
Create an initial document describing s390x system emulation.
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20200318103940.1169-1-cohuck@redhat.com>
Diffstat (limited to 'docs/system/target-s390x.rst')
-rw-r--r-- | docs/system/target-s390x.rst | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/docs/system/target-s390x.rst b/docs/system/target-s390x.rst new file mode 100644 index 0000000000..4c8b7cdd66 --- /dev/null +++ b/docs/system/target-s390x.rst @@ -0,0 +1,26 @@ +.. _s390x-System-emulator: + +s390x System emulator +--------------------- + +QEMU can emulate z/Architecture (in particular, 64 bit) s390x systems +via the ``qemu-system-s390x`` binary. Only one machine type, +``s390-ccw-virtio``, is supported (with versioning for compatibility +handling). + +When using KVM as accelerator, QEMU can emulate CPUs up to the generation +of the host. When using the default cpu model with TCG as accelerator, +QEMU will emulate a subset of z13 cpu features that should be enough to run +distributions built for the z13. + +Device support +============== + +QEMU will not emulate most of the traditional devices found under LPAR or +z/VM; virtio devices (especially using virtio-ccw) make up the bulk of +the available devices. Passthrough of host devices via vfio-pci, vfio-ccw, +or vfio-ap is also available. + +.. toctree:: + s390x/vfio-ap + |