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As per the GICv5 specification, the IRS has one CONFIG_FRAME and optionally one SETLPI_FRAME per interrupt domain. Within a KVM VM we are only concerned with one interrupt domain. Each of these frames is 64kB in size, so we reserve 2x64kB of contiguous memory in the GPA space for a GICv5 IRS. Signed-off-by: Sascha Bischoff --- arch/arm64/include/uapi/asm/kvm.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/as= m/kvm.h index 1c13bfa2d38aa..d1b2ca317f586 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -97,6 +97,11 @@ struct kvm_regs { #define KVM_VGIC_V3_REDIST_SIZE (2 * SZ_64K) #define KVM_VGIC_V3_ITS_SIZE (2 * SZ_64K) =20 +/* Supported VGICv5 address types */ +#define KVM_VGIC_V5_ADDR_TYPE_IRS 6 + +#define KVM_VGIC_V5_IRS_SIZE (2 * SZ_64K) + #define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */ #define KVM_ARM_VCPU_EL1_32BIT 1 /* CPU running a 32bit VM */ #define KVM_ARM_VCPU_PSCI_0_2 2 /* CPU uses PSCI v0.2 */ --=20 2.34.1