linux-kernel - Re: [PATCH v6 03/14] riscv: sbi: add new SBI error mappings

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Message-ID: <edd8751d-dd5e-48f9-8c08-853d89c90130@linux.dev>
Date: Thu, 8 May 2025 13:18:55 -0700
From: Atish Patra <atish.patra@...ux.dev>
To: Clément Léger <cleger@...osinc.com>,
 Paul Walmsley <paul.walmsley@...ive.com>, Palmer Dabbelt
 <palmer@...belt.com>, Anup Patel <anup@...infault.org>,
 Atish Patra <atishp@...shpatra.org>, Shuah Khan <shuah@...nel.org>,
 Jonathan Corbet <corbet@....net>, linux-riscv@...ts.infradead.org,
 linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
 kvm@...r.kernel.org, kvm-riscv@...ts.infradead.org,
 linux-kselftest@...r.kernel.org
Cc: Samuel Holland <samuel.holland@...ive.com>,
 Andrew Jones <ajones@...tanamicro.com>, Deepak Gupta <debug@...osinc.com>
Subject: Re: [PATCH v6 03/14] riscv: sbi: add new SBI error mappings

On 4/24/25 10:31 AM, ClÃ©ment LÃ©ger wrote:
> A few new errors have been added with SBI V3.0, maps them as close as
> possible to errno values.
> 
> Signed-off-by: Clément Léger <cleger@...osinc.com>
> Reviewed-by: Andrew Jones <ajones@...tanamicro.com>
> ---
>   arch/riscv/include/asm/sbi.h | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
> index bb077d0c912f..7ec249fea880 100644
> --- a/arch/riscv/include/asm/sbi.h
> +++ b/arch/riscv/include/asm/sbi.h
> @@ -536,11 +536,21 @@ 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:
>   		return -EINVAL;
> +	case SBI_ERR_BAD_RANGE:
> +		return -ERANGE;
>   	case SBI_ERR_INVALID_ADDRESS:
>   		return -EFAULT;
> +	case SBI_ERR_NO_SHMEM:
> +		return -ENOMEM;
> +	case SBI_ERR_TIMEOUT:
> +		return -ETIME;
> +	case SBI_ERR_IO:
> +		return -EIO;
>   	case SBI_ERR_NOT_SUPPORTED:
>   	case SBI_ERR_FAILURE:
>   	default:

Reviewed-by: Atish Patra <atishp@...osinc.com>