linux-kernel - [RFC PATCH v3 4/5] KVM: arm64: nvhe: Pass through PSCI v1.3 SYSTEM

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Date: Tue, 19 Mar 2024 12:59:05 +0000
From: David Woodhouse <dwmw2@...radead.org>
To: linux-arm-kernel@...ts.infradead.org,
	kvm@...r.kernel.org
Cc: Paolo Bonzini <pbonzini@...hat.com>,
	Jonathan Corbet <corbet@....net>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	James Morse <james.morse@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Len Brown <len.brown@...el.com>,
	Pavel Machek <pavel@....cz>,
	David Woodhouse <dwmw@...zon.co.uk>,
	Mostafa Saleh <smostafa@...gle.com>,
	Jean-Philippe Brucker <jean-philippe@...aro.org>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	kvmarm@...ts.linux.dev,
	linux-pm@...r.kernel.org
Subject: [RFC PATCH v3 4/5] KVM: arm64: nvhe: Pass through PSCI v1.3 SYSTEM_OFF2 call

From: David Woodhouse <dwmw@...zon.co.uk>

Pass through the SYSTEM_OFF2 function for hibernation, just like SYSTEM_OFF.

Signed-off-by: David Woodhouse <dwmw@...zon.co.uk>
---
 arch/arm64/kvm/hyp/nvhe/psci-relay.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
index d57bcb6ab94d..76c7643e7eff 100644
--- a/arch/arm64/kvm/hyp/nvhe/psci-relay.c
+++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c
@@ -265,6 +265,8 @@ static unsigned long psci_1_0_handler(u64 func_id, struct kvm_cpu_context *host_
 	case PSCI_1_0_FN_PSCI_FEATURES:
 	case PSCI_1_0_FN_SET_SUSPEND_MODE:
 	case PSCI_1_1_FN64_SYSTEM_RESET2:
+	case PSCI_1_3_FN_SYSTEM_OFF2:
+	case PSCI_1_3_FN64_SYSTEM_OFF2:
 		return psci_forward(host_ctxt);
 	case PSCI_1_0_FN64_SYSTEM_SUSPEND:
 		return psci_system_suspend(func_id, host_ctxt);
-- 
2.44.0