[PATCH v3 2/4] KVM: Add capability to advertise PSCI v0.2 support
From: Anup Patel <hidden>
Date: 2014-02-04 09:48:14
Subsystem:
arm port, kernel virtual machine (kvm), the rest · Maintainers:
Russell King, Paolo Bonzini, Linus Torvalds
User space (i.e. QEMU or KVMTOOL) should be able to check whether KVM ARM/ARM64 supports in-kernel PSCI v0.2 emulation. For this purpose, we define KVM_CAP_ARM_PSCI_0_2 in KVM user space interface header. Signed-off-by: Anup Patel <redacted> Signed-off-by: Pranavkumar Sawargaonkar <redacted> --- arch/arm/kvm/arm.c | 1 + include/uapi/linux/kvm.h | 1 + 2 files changed, 2 insertions(+)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 1d8248e..c8a71df 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c@@ -197,6 +197,7 @@ int kvm_dev_ioctl_check_extension(long ext) case KVM_CAP_DESTROY_MEMORY_REGION_WORKS: case KVM_CAP_ONE_REG: case KVM_CAP_ARM_PSCI: + case KVM_CAP_ARM_PSCI_0_2: r = 1; break; case KVM_CAP_COALESCED_MMIO:
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index 932d7f2..fb3c3f3 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h@@ -675,6 +675,7 @@ struct kvm_ppc_smmu_info { #define KVM_CAP_SPAPR_MULTITCE 94 #define KVM_CAP_EXT_EMUL_CPUID 95 #define KVM_CAP_HYPERV_TIME 96 +#define KVM_CAP_ARM_PSCI_0_2 97 #ifdef KVM_CAP_IRQ_ROUTING
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1.7.9.5