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ARM: KVM: VGIC accept vcpu and dist base addresses from user space

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User space defines the model to emulate to a guest and should therefore
decide which addresses are used for both the virtual CPU interface
directly mapped in the guest physical address space and for the emulated
distributor interface, which is mapped in software by the in-kernel VGIC
support.

Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Christoffer Dall
2013-01-21 19:36:13 -05:00
committed by Marc Zyngier
parent 1a89dd9113
commit 330690cdce
5 changed files with 90 additions and 1 deletions
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3
arch/arm/include/uapi/asm/kvm.h
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@@ -78,6 +78,9 @@ struct kvm_regs {
#define KVM_VGIC_V2_ADDR_TYPE_DIST 0
#define KVM_VGIC_V2_ADDR_TYPE_CPU 1
#define KVM_VGIC_V2_DIST_SIZE 0x1000
#define KVM_VGIC_V2_CPU_SIZE 0x2000
#define KVM_ARM_VCPU_POWER_OFF 0 /* CPU is started in OFF state */
struct kvm_vcpu_init {