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([2a01:e0a:999:a3a0:6933:1fe3:b858:3dde]) by smtp.gmail.com with ESMTPSA id k4-20020a63ba04000000b0057412d84d25sm2436010pgf.4.2023.10.19.00.21.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 Oct 2023 00:21:18 -0700 (PDT) Message-ID: Date: Thu, 19 Oct 2023 09:21:05 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 03/19] riscv: hwprobe: add support for scalar crypto ISA extensions To: Evan Green Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Palmer Dabbelt , Paul Walmsley , Rob Herring , Krzysztof Kozlowski , Albert Ou , Jonathan Corbet , Andrew Jones , Conor Dooley , Samuel Ortiz References: <20231017131456.2053396-1-cleger@rivosinc.com> <20231017131456.2053396-4-cleger@rivosinc.com> Content-Language: en-US From: =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 18/10/2023 19:24, Evan Green wrote: > On Tue, Oct 17, 2023 at 6:15 AM Clément Léger wrote: >> >> Export the following scalar crypto extensions through hwprobe: >> >> - Zbkb >> - Zbkc >> - Zbkx >> - Zknd >> - Zkne >> - Zknh >> - Zksed >> - Zksh >> - Zkt >> >> Signed-off-by: Clément Léger >> --- >> Documentation/riscv/hwprobe.rst | 30 +++++++++++++++++++++++++++ >> arch/riscv/include/uapi/asm/hwprobe.h | 10 +++++++++ >> arch/riscv/kernel/sys_riscv.c | 10 +++++++++ >> 3 files changed, 50 insertions(+) >> >> diff --git a/Documentation/riscv/hwprobe.rst b/Documentation/riscv/hwprobe.rst >> index a52996b22f75..968895562d42 100644 >> --- a/Documentation/riscv/hwprobe.rst >> +++ b/Documentation/riscv/hwprobe.rst >> @@ -77,6 +77,36 @@ The following keys are defined: >> * :c:macro:`RISCV_HWPROBE_EXT_ZBS`: The Zbs extension is supported, as defined >> in version 1.0 of the Bit-Manipulation ISA extensions. >> >> + * :c:macro:`RISCV_HWPROBE_EXT_ZBC` The Zbc extension is supported, as defined >> + in version 1.0 of the Scalar Crypto ISA extensions. > > At least in my v1.0.1 version of the crypto scalar spec, I don't see > Zbc. That seems to be defined in the bit manipulation extensions. Thanks for catching this, this should be same than the previous line. I will actually move the ZBC on another patch since it is not scalar crypto. Clément