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[PATCH v13 2/6] xen: arm: smccc: add INVALID_PARAMETER error code
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Oleksii Moisieiev <Oleksii_Moisieiev@xxxxxxxx>
- Date: Tue, 22 Sep 2026 14:40:24 +0000
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, Bertrand Marquis <bertrand.marquis@xxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Julien Grall <julien@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Oleksii Moisieiev <Oleksii_Moisieiev@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Grygorii Strashko <grygorii_strashko@xxxxxxxx>
- Delivery-date: Tue, 22 Sep 2026 14:40:31 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHdSqBNho+F8L2W9kicIm5Tp8rY8w==
- Thread-topic: [PATCH v13 2/6] xen: arm: smccc: add INVALID_PARAMETER error code
According to the "7.1 Return Codes" section of DEN0028 [1]
INVALID_PARAMETER code (-3) is returned when one of the call
parameters has a non-supported value.
Adding this error code to the common smccc header file.
[1]: https://documentation-service.arm.com/static/5f8edaeff86e16515cdbe4c6
Signed-off-by: Oleksii Moisieiev <oleksii_moisieiev@xxxxxxxx>
Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
(no changes since v12)
Changes in v12:
- add missed Ack.
xen/arch/arm/include/asm/smccc.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/xen/arch/arm/include/asm/smccc.h b/xen/arch/arm/include/asm/smccc.h
index c7763acd7f..91c9bc1186 100644
--- a/xen/arch/arm/include/asm/smccc.h
+++ b/xen/arch/arm/include/asm/smccc.h
@@ -381,6 +381,7 @@ void arm_smccc_1_2_smc(const struct arm_smccc_1_2_regs
*args,
0x3FFF)
/* SMCCC error codes */
+#define ARM_SMCCC_INVALID_PARAMETER (-3)
#define ARM_SMCCC_NOT_REQUIRED (-2)
#define ARM_SMCCC_ERR_UNKNOWN_FUNCTION (-1)
#define ARM_SMCCC_NOT_SUPPORTED (-1)
--
2.43.0
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