[PATCH v6 02/24] KVM: arm/arm64: Add GICV3 pending table save API documentation
From: Christoffer Dall <hidden>
Date: 2017-05-04 13:24:26
Also in:
kvm, kvmarm
On Thu, May 04, 2017 at 01:44:22PM +0200, Eric Auger wrote:
Add description for how to save GICV3 LPI pending bit into guest RAM pending tables. Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Christoffer Dall <redacted>
quoted hunk ↗ jump to hunk
--- v5: creation --- Documentation/virtual/kvm/devices/arm-vgic-v3.txt | 6 ++++++ 1 file changed, 6 insertions(+)diff --git a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt index c1a2461..9293b45 100644 --- a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt +++ b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt@@ -167,11 +167,17 @@ Groups: KVM_DEV_ARM_VGIC_CTRL_INIT request the initialization of the VGIC, no additional parameter in kvm_device_attr.addr. + KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES + save all LPI pending bits into guest RAM pending tables. + + The first kB of the pending table is not altered by this operation. Errors: -ENXIO: VGIC not properly configured as required prior to calling this attribute -ENODEV: no online VCPU -ENOMEM: memory shortage when allocating vgic internal data + -EFAULT: Invalid guest ram access + -EBUSY: One or more VCPUS are running KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO-- 2.5.5