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From: Sudeep Holla <sudeep.holla@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Sudeep Holla <sudeep.holla@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Steven Price <steven.price@arm.com>,
	linux-kernel@vger.kernel.org, harb@amperecomputing.com
Subject: [PATCH v2 2/5] arm/arm64: smccc: Add the definition for SMCCCv1.2 version/error codes
Date: Mon,  4 May 2020 10:29:02 +0100	[thread overview]
Message-ID: <20200504092905.10580-3-sudeep.holla@arm.com> (raw)
In-Reply-To: <20200504092905.10580-1-sudeep.holla@arm.com>

Add the definition for SMCCC v1.2 version and new error code added.
While at it, also add a note that ARM DEN 0070A is deprecated and is
now merged into the main SMCCC specification(ARM DEN 0028C).

Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
 include/linux/arm-smccc.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 6c1d1eda3be4..9d9a2e42e919 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -56,6 +56,7 @@
 
 #define ARM_SMCCC_VERSION_1_0		0x10000
 #define ARM_SMCCC_VERSION_1_1		0x10001
+#define ARM_SMCCC_VERSION_1_2		0x10002
 
 #define ARM_SMCCC_VERSION_FUNC_ID					\
 	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
@@ -314,10 +315,14 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
  */
 #define arm_smccc_1_1_hvc(...)	__arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
 
-/* Return codes defined in ARM DEN 0070A */
+/*
+ * Return codes defined in ARM DEN 0070A
+ * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028C
+ */
 #define SMCCC_RET_SUCCESS			0
 #define SMCCC_RET_NOT_SUPPORTED			-1
 #define SMCCC_RET_NOT_REQUIRED			-2
+#define SMCCC_RET_INVALID_PARAMETER		-3
 
 /*
  * Like arm_smccc_1_1* but always returns SMCCC_RET_NOT_SUPPORTED.
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: Sudeep Holla <sudeep.holla@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	linux-kernel@vger.kernel.org, Steven Price <steven.price@arm.com>,
	harb@amperecomputing.com, Sudeep Holla <sudeep.holla@arm.com>,
	Will Deacon <will@kernel.org>
Subject: [PATCH v2 2/5] arm/arm64: smccc: Add the definition for SMCCCv1.2 version/error codes
Date: Mon,  4 May 2020 10:29:02 +0100	[thread overview]
Message-ID: <20200504092905.10580-3-sudeep.holla@arm.com> (raw)
In-Reply-To: <20200504092905.10580-1-sudeep.holla@arm.com>

Add the definition for SMCCC v1.2 version and new error code added.
While at it, also add a note that ARM DEN 0070A is deprecated and is
now merged into the main SMCCC specification(ARM DEN 0028C).

Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
 include/linux/arm-smccc.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 6c1d1eda3be4..9d9a2e42e919 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -56,6 +56,7 @@
 
 #define ARM_SMCCC_VERSION_1_0		0x10000
 #define ARM_SMCCC_VERSION_1_1		0x10001
+#define ARM_SMCCC_VERSION_1_2		0x10002
 
 #define ARM_SMCCC_VERSION_FUNC_ID					\
 	ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL,				\
@@ -314,10 +315,14 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
  */
 #define arm_smccc_1_1_hvc(...)	__arm_smccc_1_1(SMCCC_HVC_INST, __VA_ARGS__)
 
-/* Return codes defined in ARM DEN 0070A */
+/*
+ * Return codes defined in ARM DEN 0070A
+ * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028C
+ */
 #define SMCCC_RET_SUCCESS			0
 #define SMCCC_RET_NOT_SUPPORTED			-1
 #define SMCCC_RET_NOT_REQUIRED			-2
+#define SMCCC_RET_INVALID_PARAMETER		-3
 
 /*
  * Like arm_smccc_1_1* but always returns SMCCC_RET_NOT_SUPPORTED.
-- 
2.17.1


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  parent reply	other threads:[~2020-05-04  9:29 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-04  9:29 [PATCH v2 0/5] arm/arm64: smccc: Add ARCH_SOC_ID support Sudeep Holla
2020-05-04  9:29 ` Sudeep Holla
2020-05-04  9:29 ` [PATCH v2 1/5] arm/arm64: smccc: Update link to latest SMCCC specification Sudeep Holla
2020-05-04  9:29   ` Sudeep Holla
2020-05-04  9:29 ` Sudeep Holla [this message]
2020-05-04  9:29   ` [PATCH v2 2/5] arm/arm64: smccc: Add the definition for SMCCCv1.2 version/error codes Sudeep Holla
2020-05-04  9:29 ` [PATCH v2 3/5] arm/arm64: smccc: Drop smccc_version enum and use ARM_SMCCC_VERSION_1_x instead Sudeep Holla
2020-05-04  9:29   ` Sudeep Holla
2020-05-04  9:29 ` [PATCH v2 4/5] firmware: psci: Add function to fetch SMCCC version Sudeep Holla
2020-05-04  9:29   ` Sudeep Holla
2020-05-04 14:11   ` Steven Price
2020-05-04 14:11     ` Steven Price
2020-05-04  9:29 ` [PATCH v2 5/5] arm/arm64: smccc: Add ARCH_SOC_ID support Sudeep Holla
2020-05-04  9:29   ` Sudeep Holla
2020-05-04 14:10   ` Steven Price
2020-05-04 14:10     ` Steven Price
2020-05-04 14:49     ` Sudeep Holla
2020-05-04 14:49       ` Sudeep Holla
2020-05-05 16:20   ` Will Deacon
2020-05-05 16:20     ` Will Deacon
2020-05-05 17:59     ` Sudeep Holla
2020-05-05 17:59       ` Sudeep Holla

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