From: David Woodhouse <dwmw2@infradead.org>
To: Paolo Bonzini <pbonzini@redhat.com>,
Jonathan Corbet <corbet@lwn.net>, Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
James Morse <james.morse@arm.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Zenghui Yu <yuzenghui@huawei.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Lorenzo Pieralisi <lpieralisi@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Pavel Machek <pavel@ucw.cz>, Len Brown <len.brown@intel.com>,
Shuah Khan <shuah@kernel.org>,
David Woodhouse <dwmw@amazon.co.uk>,
kvm@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev,
linux-pm@vger.kernel.org, linux-kselftest@vger.kernel.org,
Francesco Lavra <francescolavra.fl@gmail.com>,
Miguel Luis <miguel.luis@oracle.com>
Subject: [PATCH v5 1/5] firmware/psci: Add definitions for PSCI v1.3 specification
Date: Thu, 26 Sep 2024 19:37:56 +0100 [thread overview]
Message-ID: <20240926184546.833516-2-dwmw2@infradead.org> (raw)
In-Reply-To: <20240926184546.833516-1-dwmw2@infradead.org>
From: David Woodhouse <dwmw@amazon.co.uk>
The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022) adds
the SYSTEM_OFF2 function. Add definitions for it and its hibernation type
parameter.
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
---
include/uapi/linux/psci.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h
index 42a40ad3fb62..f9a015ebe221 100644
--- a/include/uapi/linux/psci.h
+++ b/include/uapi/linux/psci.h
@@ -59,6 +59,7 @@
#define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18)
#define PSCI_1_1_FN_MEM_PROTECT PSCI_0_2_FN(19)
#define PSCI_1_1_FN_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN(20)
+#define PSCI_1_3_FN_SYSTEM_OFF2 PSCI_0_2_FN(21)
#define PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND PSCI_0_2_FN64(12)
#define PSCI_1_0_FN64_NODE_HW_STATE PSCI_0_2_FN64(13)
@@ -68,6 +69,7 @@
#define PSCI_1_1_FN64_SYSTEM_RESET2 PSCI_0_2_FN64(18)
#define PSCI_1_1_FN64_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN64(20)
+#define PSCI_1_3_FN64_SYSTEM_OFF2 PSCI_0_2_FN64(21)
/* PSCI v0.2 power state encoding for CPU_SUSPEND function */
#define PSCI_0_2_POWER_STATE_ID_MASK 0xffff
@@ -100,6 +102,9 @@
#define PSCI_1_1_RESET_TYPE_SYSTEM_WARM_RESET 0
#define PSCI_1_1_RESET_TYPE_VENDOR_START 0x80000000U
+/* PSCI v1.3 hibernate type for SYSTEM_OFF2 */
+#define PSCI_1_3_HIBERNATE_TYPE_OFF 0
+
/* PSCI version decoding (independent of PSCI version) */
#define PSCI_VERSION_MAJOR_SHIFT 16
#define PSCI_VERSION_MINOR_MASK \
--
2.44.0
next prev parent reply other threads:[~2024-09-26 18:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-26 18:37 [PATCH v5 0/5] Add PSCI v1.3 SYSTEM_OFF2 support for hibernation David Woodhouse
2024-09-26 18:37 ` David Woodhouse [this message]
2024-09-26 18:37 ` [PATCH v5 2/5] KVM: arm64: Add PSCI v1.3 SYSTEM_OFF2 function " David Woodhouse
2024-10-01 15:24 ` Oliver Upton
2024-09-26 18:37 ` [PATCH v5 3/5] KVM: arm64: Add support for PSCI v1.2 and v1.3 David Woodhouse
2024-10-01 15:35 ` Oliver Upton
2024-09-26 18:37 ` [PATCH v5 4/5] KVM: selftests: Add test for PSCI SYSTEM_OFF2 David Woodhouse
2024-10-01 15:33 ` Oliver Upton
2024-10-12 9:28 ` David Woodhouse
2024-10-15 16:05 ` Oliver Upton
2024-10-15 17:16 ` Oliver Upton
2024-10-19 17:14 ` David Woodhouse
2024-10-17 0:23 ` Sean Christopherson
2024-09-26 18:38 ` [PATCH v5 5/5] KVM: arm64: nvhe: Pass through PSCI v1.3 SYSTEM_OFF2 call David Woodhouse
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