summaryrefslogtreecommitdiff
path: root/arch/arm64/kvm/reset.c
diff options
context:
space:
mode:
authorAndre Przywara <andre.przywara@arm.com>2016-07-15 14:43:38 +0300
committerMarc Zyngier <marc.zyngier@arm.com>2016-07-18 20:14:38 +0300
commit0e4e82f154e387969ea7ecd2c8876689fb68f710 (patch)
tree684d959f3f33a71e91e5d53a868ba87d45d0e495 /arch/arm64/kvm/reset.c
parent2891a7dfb6c4a273996f0047660a75e88e3b8690 (diff)
downloadlinux-0e4e82f154e387969ea7ecd2c8876689fb68f710.tar.xz
KVM: arm64: vgic-its: Enable ITS emulation as a virtual MSI controller
Now that all ITS emulation functionality is in place, we advertise MSI functionality to userland and also the ITS device to the guest - if userland has configured that. Signed-off-by: Andre Przywara <andre.przywara@arm.com> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Tested-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/kvm/reset.c')
-rw-r--r--arch/arm64/kvm/reset.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index e95d4f68bf54..5bc460884639 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -86,6 +86,12 @@ int kvm_arch_dev_ioctl_check_extension(struct kvm *kvm, long ext)
case KVM_CAP_VCPU_ATTRIBUTES:
r = 1;
break;
+ case KVM_CAP_MSI_DEVID:
+ if (!kvm)
+ r = -EINVAL;
+ else
+ r = kvm->arch.vgic.msis_require_devid;
+ break;
default:
r = 0;
}