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authorPaolo Bonzini <pbonzini@redhat.com>2014-09-27 11:03:33 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2014-09-27 11:03:33 +0200
commite77d99d4a4ec761ad061f1ec890c71040a92efe3 (patch)
treeaea6fe2ee5bb6e699045a3629b48208f3e2a26b6 /Documentation/virtual/kvm/devices/arm-vgic.txt
parentbb0ca6acd466af55c95b7ce508f29e23a24cabd9 (diff)
parent0496daa5cf99741ce8db82686b4c7446a37feabb (diff)
Merge tag 'kvm-arm-for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-next
Changes for KVM for arm/arm64 for 3.18 This includes a bunch of changes: - Support read-only memory slots on arm/arm64 - Various changes to fix Sparse warnings - Correctly detect write vs. read Stage-2 faults - Various VGIC cleanups and fixes - Dynamic VGIC data strcuture sizing - Fix SGI set_clear_pend offset bug - Fix VTTBR_BADDR Mask - Correctly report the FSC on Stage-2 faults Conflicts: virt/kvm/eventfd.c [duplicate, different patch where the kvm-arm version broke x86. The kvm tree instead has the right one]
Diffstat (limited to 'Documentation/virtual/kvm/devices/arm-vgic.txt')
-rw-r--r--Documentation/virtual/kvm/devices/arm-vgic.txt10
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/devices/arm-vgic.txt b/Documentation/virtual/kvm/devices/arm-vgic.txt
index 7f4e91b1316b..df8b0c7540b6 100644
--- a/Documentation/virtual/kvm/devices/arm-vgic.txt
+++ b/Documentation/virtual/kvm/devices/arm-vgic.txt
@@ -71,3 +71,13 @@ Groups:
Errors:
-ENODEV: Getting or setting this register is not yet supported
-EBUSY: One or more VCPUs are running
+
+ KVM_DEV_ARM_VGIC_GRP_NR_IRQS
+ Attributes:
+ A value describing the number of interrupts (SGI, PPI and SPI) for
+ this GIC instance, ranging from 64 to 1024, in increments of 32.
+
+ Errors:
+ -EINVAL: Value set is out of the expected range
+ -EBUSY: Value has already be set, or GIC has already been initialized
+ with default values.