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* kvm-arm64/nv-vgic: : NV VGICv3 support, courtesy of Marc Zyngier : : Support for emulating the GIC hypervisor controls and managing shadow : VGICv3 state for the L1 hypervisor. As part of it, bring in support for : taking IRQs to the L1 and UAPI to manage the VGIC maintenance interrupt. KVM: arm64: nv: Fail KVM init if asking for NV without GICv3 KVM: arm64: nv: Allow userland to set VGIC maintenance IRQ KVM: arm64: nv: Fold GICv3 host trapping requirements into guest setup KVM: arm64: nv: Propagate used_lrs between L1 and L0 contexts KVM: arm64: nv: Request vPE doorbell upon nested ERET to L2 KVM: arm64: nv: Respect virtual HCR_EL2.TWx setting KVM: arm64: nv: Add Maintenance Interrupt emulation KVM: arm64: nv: Handle L2->L1 transition on interrupt injection KVM: arm64: nv: Nested GICv3 emulation KVM: arm64: nv: Sanitise ICH_HCR_EL2 accesses KVM: arm64: nv: Plumb handling of GICv3 EL2 accesses KVM: arm64: nv: Add ICH_*_EL2 registers to vpcu_sysreg KVM: arm64: nv: Load timer before the GIC arm64: sysreg: Add layout for ICH_MISR_EL2 arm64: sysreg: Add layout for ICH_VTR_EL2 arm64: sysreg: Add layout for ICH_HCR_EL2 Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
This directory contains specific device bindings for KVM_CAP_DEVICE_CTRL.