From: David Woodhouse <dwmw2@infradead.org> To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: 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>, Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>, David Woodhouse <dwmw@amazon.co.uk>, Mostafa Saleh <smostafa@google.com>, Jean-Philippe Brucker <jean-philippe@linaro.org>, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, linux-pm@vger.kernel.org Subject: [RFC PATCH v2 1/4] firmware/psci: Add definitions for PSCI v1.3 specification (ALPHA) Date: Mon, 18 Mar 2024 16:14:23 +0000 [thread overview] Message-ID: <20240318164646.1010092-2-dwmw2@infradead.org> (raw) In-Reply-To: <20240318164646.1010092-1-dwmw2@infradead.org> From: David Woodhouse <dwmw@amazon.co.uk> The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022) adds SYSTEM_OFF2, CLEAN_INV_MEMREGION and CLEAN_INV_MEMREGION_ATTRIBUTES functions. Add definitions for them and their parameters, along with the new TIMEOUT, RATE_LIMITED and BUSY error values. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> --- include/uapi/linux/psci.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 42a40ad3fb62..082ed689fdaf 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -59,6 +59,8 @@ #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_3_FN_CLEAN_INV_MEMREGION_ATTRIBUTES PSCI_0_2_FN(23) #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 +70,8 @@ #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) +#define PSCI_1_3_FN64_CLEAN_INV_MEMREGION PSCI_0_2_FN64(22) /* PSCI v0.2 power state encoding for CPU_SUSPEND function */ #define PSCI_0_2_POWER_STATE_ID_MASK 0xffff @@ -100,6 +104,19 @@ #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 v1.3 flags for CLEAN_INV_MEMREGION */ +#define PSCI_1_3_CLEAN_INV_MEMREGION_FLAG_DRY_RUN BIT(0) + +/* PSCI v1.3 attributes for CLEAN_INV_MEMREGION_ATTRIBUTES */ +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_OP_TYPE 0 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_CPU_RDVZ 1 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_LATENCY 2 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_RATE_LIMIT 3 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_TIMEOUT 4 + /* PSCI version decoding (independent of PSCI version) */ #define PSCI_VERSION_MAJOR_SHIFT 16 #define PSCI_VERSION_MINOR_MASK \ @@ -133,5 +150,8 @@ #define PSCI_RET_NOT_PRESENT -7 #define PSCI_RET_DISABLED -8 #define PSCI_RET_INVALID_ADDRESS -9 +#define PSCI_RET_TIMEOUT -10 +#define PSCI_RET_RATE_LIMITED -11 +#define PSCI_RET_BUSY -12 #endif /* _UAPI_LINUX_PSCI_H */ -- 2.44.0
WARNING: multiple messages have this Message-ID (diff)
From: David Woodhouse <dwmw2@infradead.org> To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org Cc: 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>, Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>, David Woodhouse <dwmw@amazon.co.uk>, Mostafa Saleh <smostafa@google.com>, Jean-Philippe Brucker <jean-philippe@linaro.org>, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, linux-pm@vger.kernel.org Subject: [RFC PATCH v2 1/4] firmware/psci: Add definitions for PSCI v1.3 specification (ALPHA) Date: Mon, 18 Mar 2024 16:14:23 +0000 [thread overview] Message-ID: <20240318164646.1010092-2-dwmw2@infradead.org> (raw) In-Reply-To: <20240318164646.1010092-1-dwmw2@infradead.org> From: David Woodhouse <dwmw@amazon.co.uk> The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022) adds SYSTEM_OFF2, CLEAN_INV_MEMREGION and CLEAN_INV_MEMREGION_ATTRIBUTES functions. Add definitions for them and their parameters, along with the new TIMEOUT, RATE_LIMITED and BUSY error values. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> --- include/uapi/linux/psci.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 42a40ad3fb62..082ed689fdaf 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -59,6 +59,8 @@ #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_3_FN_CLEAN_INV_MEMREGION_ATTRIBUTES PSCI_0_2_FN(23) #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 +70,8 @@ #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) +#define PSCI_1_3_FN64_CLEAN_INV_MEMREGION PSCI_0_2_FN64(22) /* PSCI v0.2 power state encoding for CPU_SUSPEND function */ #define PSCI_0_2_POWER_STATE_ID_MASK 0xffff @@ -100,6 +104,19 @@ #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 v1.3 flags for CLEAN_INV_MEMREGION */ +#define PSCI_1_3_CLEAN_INV_MEMREGION_FLAG_DRY_RUN BIT(0) + +/* PSCI v1.3 attributes for CLEAN_INV_MEMREGION_ATTRIBUTES */ +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_OP_TYPE 0 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_CPU_RDVZ 1 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_LATENCY 2 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_RATE_LIMIT 3 +#define PSCI_1_3_CLEAN_INV_MEMREGION_ATTR_TIMEOUT 4 + /* PSCI version decoding (independent of PSCI version) */ #define PSCI_VERSION_MAJOR_SHIFT 16 #define PSCI_VERSION_MINOR_MASK \ @@ -133,5 +150,8 @@ #define PSCI_RET_NOT_PRESENT -7 #define PSCI_RET_DISABLED -8 #define PSCI_RET_INVALID_ADDRESS -9 +#define PSCI_RET_TIMEOUT -10 +#define PSCI_RET_RATE_LIMITED -11 +#define PSCI_RET_BUSY -12 #endif /* _UAPI_LINUX_PSCI_H */ -- 2.44.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-03-18 16:47 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-18 16:14 [RFC PATCH v2 0/4] arm64: Add PSCI v1.3 SYSTEM_OFF2 support for hibernation David Woodhouse 2024-03-18 16:14 ` David Woodhouse 2024-03-18 16:14 ` David Woodhouse [this message] 2024-03-18 16:14 ` [RFC PATCH v2 1/4] firmware/psci: Add definitions for PSCI v1.3 specification (ALPHA) David Woodhouse 2024-03-18 16:14 ` [RFC PATCH v2 2/4] KVM: arm64: Add PSCI SYSTEM_OFF2 function for hibernation David Woodhouse 2024-03-18 16:14 ` David Woodhouse 2024-03-18 17:29 ` Marc Zyngier 2024-03-18 17:29 ` Marc Zyngier 2024-03-18 17:54 ` David Woodhouse 2024-03-18 17:54 ` David Woodhouse 2024-03-18 18:07 ` Marc Zyngier 2024-03-18 18:07 ` Marc Zyngier 2024-03-18 18:17 ` David Woodhouse 2024-03-18 18:17 ` David Woodhouse 2024-03-18 16:14 ` [RFC PATCH v2 3/4] KVM: arm64: nvhe: Pass through PSCI v1.3 SYSTEM_OFF2 call David Woodhouse 2024-03-18 16:14 ` David Woodhouse 2024-03-18 16:14 ` [RFC PATCH v2 4/4] arm64: Use SYSTEM_OFF2 PSCI call to power off for hibernate David Woodhouse 2024-03-18 16:14 ` David Woodhouse 2024-03-18 16:57 ` [RFC PATCH v2 0/4] arm64: Add PSCI v1.3 SYSTEM_OFF2 support for hibernation Marc Zyngier 2024-03-18 16:57 ` Marc Zyngier 2024-03-18 17:26 ` David Woodhouse 2024-03-18 17:26 ` David Woodhouse 2024-03-18 17:41 ` Marc Zyngier 2024-03-18 17:41 ` Marc Zyngier 2024-03-18 18:15 ` David Woodhouse 2024-03-18 18:15 ` David Woodhouse 2024-03-18 18:31 ` Marc Zyngier 2024-03-18 18:31 ` Marc Zyngier 2024-03-18 18:36 ` David Woodhouse 2024-03-18 18:36 ` David Woodhouse
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