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| author | Dominik Dingel <dingel@linux.vnet.ibm.com> | 2014-04-09 13:13:00 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2014-04-22 13:24:12 +0200 |
| commit | f2061656209fb9a5d54bbb1999f0a633438504e7 (patch) | |
| tree | 6aeef103f33943cedaf9fa341002a2a1c0ad83d8 /Documentation/virtual/kvm/devices | |
| parent | 15f36ebd34b5b296c274ef67024f14c2d394a507 (diff) | |
| download | linux-f2061656209fb9a5d54bbb1999f0a633438504e7.tar.bz2 | |
KVM: s390: Per-vm kvm device controls
We sometimes need to get/set attributes specific to a virtual machine
and so need something else than ONE_REG.
Let's copy the KVM_DEVICE approach, and define the respective ioctls
for the vm file descriptor.
Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'Documentation/virtual/kvm/devices')
| -rw-r--r-- | Documentation/virtual/kvm/devices/vm.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/devices/vm.txt b/Documentation/virtual/kvm/devices/vm.txt new file mode 100644 index 000000000000..562bee6e600b --- /dev/null +++ b/Documentation/virtual/kvm/devices/vm.txt @@ -0,0 +1,10 @@ +Generic vm interface +==================================== + +The virtual machine "device" also accepts the ioctls KVM_SET_DEVICE_ATTR, +KVM_GET_DEVICE_ATTR, and KVM_HAS_DEVICE_ATTR. The interface uses the same +struct kvm_device_attr as other devices, but targets VM-wide settings +and controls. + +The groups and attributes per virtual machine, if any, are architecture +specific. |