[PATCH v4 01/23] riscv: Add new error codes defined by SBI v3.0

[Atish Patra]

On 5/25/25 1:46 AM, Anup Patel wrote:
> The SBI v3.0 defines new error codes so add these new error codes
> to the asm/sbi.h for use by newer SBI extensions.

This patch can be dropped as it is part of the FWFT series with minor 
modifications in error mappings.

https://lore.kernel.org/linux-riscv/20250523101932.1594077-4-cleger@rivosinc.com/


> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> ---
>   arch/riscv/include/asm/sbi.h | 12 ++++++++++++
>   1 file changed, 12 insertions(+)
>
> diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
> index 3d250824178b..4dd6aafb8468 100644
> --- a/arch/riscv/include/asm/sbi.h
> +++ b/arch/riscv/include/asm/sbi.h
> @@ -419,6 +419,11 @@ enum sbi_ext_nacl_feature {
>   #define SBI_ERR_ALREADY_STARTED -7
>   #define SBI_ERR_ALREADY_STOPPED -8
>   #define SBI_ERR_NO_SHMEM	-9
> +#define SBI_ERR_INVALID_STATE	-10
> +#define SBI_ERR_BAD_RANGE	-11
> +#define SBI_ERR_TIMEOUT		-12
> +#define SBI_ERR_IO		-13
> +#define SBI_ERR_DENIED_LOCKED	-14
>   
>   extern unsigned long sbi_spec_version;
>   struct sbiret {
> @@ -503,11 +508,18 @@ static inline int sbi_err_map_linux_errno(int err)
>   	case SBI_SUCCESS:
>   		return 0;
>   	case SBI_ERR_DENIED:
> +	case SBI_ERR_DENIED_LOCKED:
>   		return -EPERM;
>   	case SBI_ERR_INVALID_PARAM:
> +	case SBI_ERR_INVALID_STATE:
> +	case SBI_ERR_BAD_RANGE:
>   		return -EINVAL;
>   	case SBI_ERR_INVALID_ADDRESS:
>   		return -EFAULT;
> +	case SBI_ERR_TIMEOUT:
> +		return -ETIMEDOUT;
> +	case SBI_ERR_IO:
> +		return -EIO;
>   	case SBI_ERR_NOT_SUPPORTED:
>   	case SBI_ERR_FAILURE:
>   	default: