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Commit 100e6298 authored by Eric Auger's avatar Eric Auger Committed by Christoffer Dall
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KVM: arm/arm64: Add GICV3 pending table save API documentation 



Add description for how to save GICV3 LPI pending bit into
guest RAM pending tables.

Signed-off-by: default avatarEric Auger <eric.auger@redhat.com>
Acked-by: default avatarChristoffer Dall <cdall@linaro.org>
Acked-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent de2a0910

Documentation/virtual/kvm/devices/arm-vgic-v3.txt

+6 −0
Original line number Original line Diff line number Diff line
@@ -167,11 +167,17 @@ Groups: 
    KVM_DEV_ARM_VGIC_CTRL_INIT

    KVM_DEV_ARM_VGIC_CTRL_INIT

      request the initialization of the VGIC, no additional parameter in

      request the initialization of the VGIC, no additional parameter in

      kvm_device_attr.addr.

      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:

  Errors:

    -ENXIO: VGIC not properly configured as required prior to calling

    -ENXIO: VGIC not properly configured as required prior to calling

     this attribute

     this attribute

    -ENODEV: no online VCPU

    -ENODEV: no online VCPU

    -ENOMEM: memory shortage when allocating vgic internal data

    -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

  KVM_DEV_ARM_VGIC_GRP_LEVEL_INFO