On Wed, 21 Jan 2026, Oleksii Moisieiev wrote:
> 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@epam.com>
Acked-by: Stefano Stabellini <sstabellini@kernel.org>
> ---
>
>
>
> 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 441b3ab65d..478444fb09 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)
> --
> 2.34.1
>