From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Mon, 29 Jan 2018 17:45:47 +0000 Subject: [PATCH v2 04/16] arm/arm64: KVM: Add PSCI_VERSION helper In-Reply-To: <20180129174559.1866-1-marc.zyngier@arm.com> References: <20180129174559.1866-1-marc.zyngier@arm.com> Message-ID: <20180129174559.1866-5-marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org As we're about to trigger a PSCI version explosion, it doesn't hurt to introduce a PSCI_VERSION helper that is going to be used everywhere. Signed-off-by: Marc Zyngier --- include/kvm/arm_psci.h | 5 +++-- virt/kvm/arm/psci.c | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h index 2042bb909474..3a408c846c09 100644 --- a/include/kvm/arm_psci.h +++ b/include/kvm/arm_psci.h @@ -18,8 +18,9 @@ #ifndef __KVM_ARM_PSCI_H__ #define __KVM_ARM_PSCI_H__ -#define KVM_ARM_PSCI_0_1 1 -#define KVM_ARM_PSCI_0_2 2 +#define PSCI_VERSION(x,y) ((((x) & 0x7fff) << 16) | ((y) & 0xffff)) +#define KVM_ARM_PSCI_0_1 PSCI_VERSION(0, 1) +#define KVM_ARM_PSCI_0_2 PSCI_VERSION(0, 2) int kvm_psci_version(struct kvm_vcpu *vcpu); int kvm_psci_call(struct kvm_vcpu *vcpu); diff --git a/virt/kvm/arm/psci.c b/virt/kvm/arm/psci.c index b322e46fd142..c00bb324e14e 100644 --- a/virt/kvm/arm/psci.c +++ b/virt/kvm/arm/psci.c @@ -222,7 +222,7 @@ static int kvm_psci_0_2_call(struct kvm_vcpu *vcpu) * Bits[31:16] = Major Version = 0 * Bits[15:0] = Minor Version = 2 */ - val = 2; + val = KVM_ARM_PSCI_0_2; break; case PSCI_0_2_FN_CPU_SUSPEND: case PSCI_0_2_FN64_CPU_SUSPEND: -- 2.14.2