* [PATCH] smccc: Make constants available to assembly
@ 2020-06-18 14:55 Andrew Scull
2020-06-29 12:34 ` Andrew Scull
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Andrew Scull @ 2020-06-18 14:55 UTC (permalink / raw)
To: linux-arm-kernel
Cc: mark.rutland, lorenzo.pieralisi, kernel-team, Andrew Scull, sudeep.holla
Move constants out of the C-only section of the header next to the other
constants that are available to assembly.
Signed-off-by: Andrew Scull <ascull@google.com>
---
include/linux/arm-smccc.h | 44 +++++++++++++++++++--------------------
1 file changed, 22 insertions(+), 22 deletions(-)
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
index 56d6a5c6e353..efcbde731f03 100644
--- a/include/linux/arm-smccc.h
+++ b/include/linux/arm-smccc.h
@@ -81,6 +81,28 @@
ARM_SMCCC_SMC_32, \
0, 0x7fff)
+/* Paravirtualised time calls (defined by ARM DEN0057A) */
+#define ARM_SMCCC_HV_PV_TIME_FEATURES \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_64, \
+ ARM_SMCCC_OWNER_STANDARD_HYP, \
+ 0x20)
+
+#define ARM_SMCCC_HV_PV_TIME_ST \
+ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
+ ARM_SMCCC_SMC_64, \
+ ARM_SMCCC_OWNER_STANDARD_HYP, \
+ 0x21)
+
+/*
+ * Return codes defined in ARM DEN 0070A
+ * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
+ */
+#define SMCCC_RET_SUCCESS 0
+#define SMCCC_RET_NOT_SUPPORTED -1
+#define SMCCC_RET_NOT_REQUIRED -2
+#define SMCCC_RET_INVALID_PARAMETER -3
+
#ifndef __ASSEMBLY__
#include <linux/linkage.h>
@@ -331,15 +353,6 @@ 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
- * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
- */
-#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.
* Used when the SMCCC conduit is not defined. The empty asm statement
@@ -385,18 +398,5 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
method; \
})
-/* Paravirtualised time calls (defined by ARM DEN0057A) */
-#define ARM_SMCCC_HV_PV_TIME_FEATURES \
- ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
- ARM_SMCCC_SMC_64, \
- ARM_SMCCC_OWNER_STANDARD_HYP, \
- 0x20)
-
-#define ARM_SMCCC_HV_PV_TIME_ST \
- ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
- ARM_SMCCC_SMC_64, \
- ARM_SMCCC_OWNER_STANDARD_HYP, \
- 0x21)
-
#endif /*__ASSEMBLY__*/
#endif /*__LINUX_ARM_SMCCC_H*/
--
2.27.0.290.gba653c62da-goog
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^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] smccc: Make constants available to assembly
2020-06-18 14:55 [PATCH] smccc: Make constants available to assembly Andrew Scull
@ 2020-06-29 12:34 ` Andrew Scull
2020-07-03 13:50 ` Will Deacon
2020-07-06 17:02 ` Sudeep Holla
2 siblings, 0 replies; 4+ messages in thread
From: Andrew Scull @ 2020-06-29 12:34 UTC (permalink / raw)
To: linux-arm-kernel
Cc: mark.rutland, will, lorenzo.pieralisi, kernel-team, sudeep.holla
On Thu, Jun 18, 2020 at 03:55:11PM +0100, Andrew Scull wrote:
> Move constants out of the C-only section of the header next to the other
> constants that are available to assembly.
>
> Signed-off-by: Andrew Scull <ascull@google.com>
> ---
> include/linux/arm-smccc.h | 44 +++++++++++++++++++--------------------
> 1 file changed, 22 insertions(+), 22 deletions(-)
>
> diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h
> index 56d6a5c6e353..efcbde731f03 100644
> --- a/include/linux/arm-smccc.h
> +++ b/include/linux/arm-smccc.h
> @@ -81,6 +81,28 @@
> ARM_SMCCC_SMC_32, \
> 0, 0x7fff)
>
> +/* Paravirtualised time calls (defined by ARM DEN0057A) */
> +#define ARM_SMCCC_HV_PV_TIME_FEATURES \
> + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
> + ARM_SMCCC_SMC_64, \
> + ARM_SMCCC_OWNER_STANDARD_HYP, \
> + 0x20)
> +
> +#define ARM_SMCCC_HV_PV_TIME_ST \
> + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
> + ARM_SMCCC_SMC_64, \
> + ARM_SMCCC_OWNER_STANDARD_HYP, \
> + 0x21)
> +
> +/*
> + * Return codes defined in ARM DEN 0070A
> + * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
> + */
> +#define SMCCC_RET_SUCCESS 0
> +#define SMCCC_RET_NOT_SUPPORTED -1
> +#define SMCCC_RET_NOT_REQUIRED -2
> +#define SMCCC_RET_INVALID_PARAMETER -3
> +
> #ifndef __ASSEMBLY__
>
> #include <linux/linkage.h>
> @@ -331,15 +353,6 @@ 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
> - * ARM DEN 0070A is now merged/consolidated into ARM DEN 0028 C
> - */
> -#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.
> * Used when the SMCCC conduit is not defined. The empty asm statement
> @@ -385,18 +398,5 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1,
> method; \
> })
>
> -/* Paravirtualised time calls (defined by ARM DEN0057A) */
> -#define ARM_SMCCC_HV_PV_TIME_FEATURES \
> - ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
> - ARM_SMCCC_SMC_64, \
> - ARM_SMCCC_OWNER_STANDARD_HYP, \
> - 0x20)
> -
> -#define ARM_SMCCC_HV_PV_TIME_ST \
> - ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \
> - ARM_SMCCC_SMC_64, \
> - ARM_SMCCC_OWNER_STANDARD_HYP, \
> - 0x21)
> -
> #endif /*__ASSEMBLY__*/
> #endif /*__LINUX_ARM_SMCCC_H*/
> --
> 2.27.0.290.gba653c62da-goog
>
ping :)
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] smccc: Make constants available to assembly
2020-06-18 14:55 [PATCH] smccc: Make constants available to assembly Andrew Scull
2020-06-29 12:34 ` Andrew Scull
@ 2020-07-03 13:50 ` Will Deacon
2020-07-06 17:02 ` Sudeep Holla
2 siblings, 0 replies; 4+ messages in thread
From: Will Deacon @ 2020-07-03 13:50 UTC (permalink / raw)
To: Andrew Scull
Cc: mark.rutland, lorenzo.pieralisi, catalin.marinas, sudeep.holla,
kernel-team, linux-arm-kernel
On Thu, Jun 18, 2020 at 03:55:11PM +0100, Andrew Scull wrote:
> Move constants out of the C-only section of the header next to the other
> constants that are available to assembly.
>
> Signed-off-by: Andrew Scull <ascull@google.com>
> ---
> include/linux/arm-smccc.h | 44 +++++++++++++++++++--------------------
> 1 file changed, 22 insertions(+), 22 deletions(-)
This is purely cosmetic without any asm user, but I think the change
makes sense on its own, so:
Acked-by: Will Deacon <will@kernel.org>
Will
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] smccc: Make constants available to assembly
2020-06-18 14:55 [PATCH] smccc: Make constants available to assembly Andrew Scull
2020-06-29 12:34 ` Andrew Scull
2020-07-03 13:50 ` Will Deacon
@ 2020-07-06 17:02 ` Sudeep Holla
2 siblings, 0 replies; 4+ messages in thread
From: Sudeep Holla @ 2020-07-06 17:02 UTC (permalink / raw)
To: Andrew Scull
Cc: mark.rutland, lorenzo.pieralisi, kernel-team, linux-arm-kernel,
Sudeep Holla
On Thu, Jun 18, 2020 at 03:55:11PM +0100, Andrew Scull wrote:
> Move constants out of the C-only section of the header next to the other
> constants that are available to assembly.
>
FWIW, looks good to me.
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
--
Regards,
Sudeep
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2020-06-29 12:34 ` Andrew Scull
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