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| author | Eric Auger <eric.auger@redhat.com> | 2017-04-14 11:18:12 +0300 |
|---|---|---|
| committer | Christoffer Dall <cdall@linaro.org> | 2017-05-08 15:31:22 +0300 |
| commit | 100e62983ef3a012e62e0e7116035529a286c1ec (patch) | |
| tree | e4ee37858b5899b259e4944be329e9daed3be708 /Documentation | |
| parent | de2a0910795d44d6534e0fe83c571c1bbbe05808 (diff) | |
| download | linux-100e62983ef3a012e62e0e7116035529a286c1ec.tar.xz | |
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: Eric Auger <eric.auger@redhat.com>
Acked-by: Christoffer Dall <cdall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/virtual/kvm/devices/arm-vgic-v3.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/devices/arm-vgic-v3.txt b/Documentation/virtual/kvm/devices/arm-vgic-v3.txt index c1a24612c198..9293b45abdb9 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 |