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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20200618' into staging

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s390x update:
- update Linux headers to 5.8-rc1 (for vfio-ccw path handling)
- vfio-ccw: add support for path handling
- documentation fix

# gpg: Signature made Thu 18 Jun 2020 16:36:04 BST
# gpg:                using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF
# gpg:                issuer "cohuck@redhat.com"
# gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [marginal]
# gpg:                 aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full]
# gpg:                 aka "Cornelia Huck <cohuck@kernel.org>" [marginal]
# gpg:                 aka "Cornelia Huck <cohuck@redhat.com>" [marginal]
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0  18CE DECF 6B93 C6F0 2FAF

* remotes/cohuck/tags/s390x-20200618:
  docs/s390x: fix vfio-ap device_del description
  vfio-ccw: Add support for the CRW region and IRQ
  s390x/css: Refactor the css_queue_crw() routine
  vfio-ccw: Refactor ccw irq handler
  vfio-ccw: Add support for the schib region
  vfio-ccw: Refactor cleanup of regions
  Linux headers: update

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell committed 2020-06-19 11:44:03 +01:00
2 parents 292ef18a38 458e056257
commit 4d285821c5
32 files changed
+1075 -78
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docs/system/s390x/vfio-ap.rst
+4 -4
View File
@@ -606,10 +606,11 @@ action.
To hot plug a vfio-ap device, use the QEMU ``device_add`` command::
(qemu) device_add vfio-ap,sysfsdev="$path-to-mdev"
(qemu) device_add vfio-ap,sysfsdev="$path-to-mdev",id="$id"
Where the ``$path-to-mdev`` value specifies the absolute path to a mediated
device to which AP resources to be used by the guest have been assigned.
``$id`` is the name value for the optional id parameter.
Note that on Linux guests, the AP devices will be created in the
``/sys/bus/ap/devices`` directory when the AP bus subsequently performs its periodic
@@ -632,10 +633,9 @@ or a prior hot plug action.
To hot unplug a vfio-ap device, use the QEMU ``device_del`` command::
(qemu) device_del vfio-ap,sysfsdev="$path-to-mdev"
(qemu) device_del "$id"
Where ``$path-to-mdev`` is the same as the path specified when the vfio-ap
device was attached to the virtual machine's ap-bus.
Where ``$id`` is the same id that was specified at device creation.
On a Linux guest, the AP devices will be removed from the ``/sys/bus/ap/devices``
directory on the guest when the AP bus subsequently performs its periodic scan,