linux-kernel - [PATCH v2 04/19] dt-bindings: riscv: add scalar crypto ISA extensions description

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Message-ID: <20231017131456.2053396-5-cleger@rivosinc.com>
Date:   Tue, 17 Oct 2023 15:14:41 +0200
From:   Clément Léger <cleger@...osinc.com>
To:     linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org
Cc:     Clément Léger <cleger@...osinc.com>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Jonathan Corbet <corbet@....net>,
        Andrew Jones <ajones@...tanamicro.com>,
        Evan Green <evan@...osinc.com>,
        Conor Dooley <conor@...nel.org>,
        Samuel Ortiz <sameo@...osinc.com>
Subject: [PATCH v2 04/19] dt-bindings: riscv: add scalar crypto ISA extensions description

Add description for scalar crypto ISA extensions which can now be
reported through hwprobe for userspace usage. These extensions are the
following:

- Zbkb
- Zbkc
- Zbkx
- Zknd
- Zkne
- Zknh
- Zkr
- Zksed
- Zksh
- Zkt

Signed-off-by: Clément Léger <cleger@...osinc.com>
---
 .../devicetree/bindings/riscv/extensions.yaml | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index cc1f546fdbdc..96ed3d22d3c4 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -184,12 +184,89 @@ properties:
             multiplication as ratified at commit 6d33919 ("Merge pull request
             #158 from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.
 
+        - const: zbkb
+          description:
+            The standard Zbkb bitmanip instructions for cryptography as ratified
+            in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zbkc
+          description:
+            The standard Zbkc carry-less multiply instructions as ratified
+            in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zbkx
+          description:
+            The standard Zbkx crossbar permutation instructions as ratified
+            in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
         - const: zbs
           description: |
             The standard Zbs bit-manipulation extension for single-bit
             instructions as ratified at commit 6d33919 ("Merge pull request #158
             from hirooih/clmul-fix-loop-end-condition") of riscv-bitmanip.
 
+        - const: zk
+          description:
+            The standard Zk Standard Scalar cryptography extension as ratified
+            in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zkn
+          description:
+            The standard Zkn NIST algorithm suite extensions as ratified in
+            version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zknd
+          description: |
+            The standard Zknd for NIST suite: AES decryption instructions as
+            ratified in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zkne
+          description: |
+            The standard Zkne for NIST suite: AES encryption instructions as
+            ratified in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zknh
+          description: |
+            The standard Zknh for NIST suite: hash function instructions as
+            ratified in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zkr
+          description:
+            The standard Zkr entropy source extension as ratified in version
+            1.0 of RISC-V Cryptography Extensions Volume I specification.
+
+        - const: zks
+          description:
+            The standard Zks ShangMi algorithm suite extensions as ratified in
+            version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
+        - const: zksed
+          description: |
+            The standard Zksed for ShangMi suite: SM4 block cipher instructions
+            as ratified in version 1.0 of RISC-V Cryptography Extensions
+            Volume I specification.
+
+        - const: zksh
+          description: |
+            The standard Zksh for ShangMi suite: SM3 hash function instructions
+            as ratified in version 1.0 of RISC-V Cryptography Extensions
+            Volume I specification.
+
+        - const: zkt
+          description:
+            The standard Zkt for data independent execution latency as ratified
+            in version 1.0 of RISC-V Cryptography Extensions Volume I
+            specification.
+
         - const: zicbom
           description:
             The standard Zicbom extension for base cache management operations as
-- 
2.42.0