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authorMarc Zyngier <marc.zyngier@arm.com>2013-01-20 18:28:13 -0500
committerChristoffer Dall <c.dall@virtualopensystems.com>2013-01-23 13:29:18 -0500
commitaa024c2f35a07cc32e48c5f62a5807be01c09249 (patch)
tree0fd5b1963f2a7e455d94357ae49be5c8cbbf6395 /include
parent45e96ea6b369539a37040a8df9c59a39f073d9d6 (diff)
downloadvexpress-lsk-aa024c2f35a07cc32e48c5f62a5807be01c09249.tar.gz
KVM: ARM: Power State Coordination Interface implementation
Implement the PSCI specification (ARM DEN 0022A) to control virtual CPUs being "powered" on or off. PSCI/KVM is detected using the KVM_CAP_ARM_PSCI capability. A virtual CPU can now be initialized in a "powered off" state, using the KVM_ARM_VCPU_POWER_OFF feature flag. The guest can use either SMC or HVC to execute a PSCI function. Reviewed-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Diffstat (limited to 'include')
-rw-r--r--include/uapi/linux/kvm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h
index dc63665e73a..7f2360a46fc 100644
--- a/include/uapi/linux/kvm.h
+++ b/include/uapi/linux/kvm.h
@@ -636,6 +636,7 @@ struct kvm_ppc_smmu_info {
#define KVM_CAP_IRQFD_RESAMPLE 82
#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
#define KVM_CAP_PPC_HTAB_FD 84
+#define KVM_CAP_ARM_PSCI 87
#ifdef KVM_CAP_IRQ_ROUTING