From dcd2e40c1e1cce302498d16d095b0f8a30326f74 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Wed, 12 Dec 2012 18:52:05 +0000 Subject: arm64: KVM: PSCI implementation Wire the PSCI backend into the exit handling code. Reviewed-by: Christopher Covington Reviewed-by: Catalin Marinas Signed-off-by: Marc Zyngier --- arch/arm64/include/uapi/asm/kvm.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'arch/arm64/include/uapi') diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h index ebac919dc0ca..fb60f9037057 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -69,6 +69,8 @@ struct kvm_regs { #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 { __u32 target; __u32 features[7]; @@ -141,6 +143,20 @@ struct kvm_arch_memory_slot { /* Highest supported SPI, from VGIC_NR_IRQS */ #define KVM_ARM_IRQ_GIC_MAX 127 +/* PSCI interface */ +#define KVM_PSCI_FN_BASE 0x95c1ba5e +#define KVM_PSCI_FN(n) (KVM_PSCI_FN_BASE + (n)) + +#define KVM_PSCI_FN_CPU_SUSPEND KVM_PSCI_FN(0) +#define KVM_PSCI_FN_CPU_OFF KVM_PSCI_FN(1) +#define KVM_PSCI_FN_CPU_ON KVM_PSCI_FN(2) +#define KVM_PSCI_FN_MIGRATE KVM_PSCI_FN(3) + +#define KVM_PSCI_RET_SUCCESS 0 +#define KVM_PSCI_RET_NI ((unsigned long)-1) +#define KVM_PSCI_RET_INVAL ((unsigned long)-2) +#define KVM_PSCI_RET_DENIED ((unsigned long)-3) + #endif #endif /* __ARM_KVM_H__ */ -- cgit v1.2.3