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Message-ID: <20230709115549.2666557-3-sameo@rivosinc.com>
Date: Sun, 9 Jul 2023 13:55:44 +0200
From: Samuel Ortiz <sameo@...osinc.com>
To: Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
linux-riscv@...ts.infradead.org
Cc: Samuel Ortiz <sameo@...osinc.com>, linux@...osinc.com,
Conor Dooley <conor.dooley@...rochip.com>,
Andrew Jones <ajones@...tanamicro.com>,
Heiko Stuebner <heiko.stuebner@...ll.eu>,
Anup Patel <apatel@...tanamicro.com>,
linux-kernel@...r.kernel.org,
"Hongren (Zenithal) Zheng" <i@...ithal.me>,
Guo Ren <guoren@...nel.org>, Atish Patra <atishp@...osinc.com>,
Björn Töpel <bjorn@...osinc.com>,
Evan Green <evan@...osinc.com>, devicetree@...r.kernel.org
Subject: [PATCH v3 2/4] dt-bindings: riscv: Document the 1.0 scalar cryptography extensions
The RISC-V cryptography extensions define a set of instructions, CSR
definitions, architectural interfaces and also extension shorthands for
running scalar and vector based cryptography operations on RISC-V
systems.
This documents all the dt-bindings for the scalar cryptography
extensions, including the Zk, Zkn and Zks shorthands.
Signed-off-by: Samuel Ortiz <sameo@...osinc.com>
---
.../devicetree/bindings/riscv/extensions.yaml | 82 +++++++++++++++++++
1 file changed, 82 insertions(+)
diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml
index cc1f546fdbdc..361756978da1 100644
--- a/Documentation/devicetree/bindings/riscv/extensions.yaml
+++ b/Documentation/devicetree/bindings/riscv/extensions.yaml
@@ -190,6 +190,24 @@ properties:
instructions 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 cryptography extension for bit-manipulation
+ instructions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zbkc
+ description: |
+ The standard Zbkc cryptography extension for carry-less multiply
+ instructions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zbkx
+ description: |
+ The standard Zbkx cryptography extension for crossbar permutation
+ instructions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
- const: zicbom
description:
The standard Zicbom extension for base cache management operations as
@@ -240,6 +258,70 @@ properties:
ratified in the 20191213 version of the unprivileged ISA
specification.
+ - const: zk
+ description: |
+ The standard Zk cryptography extension is a shorthand for the
+ union of the Zkn, Zkr and Zkt cryptography extensions, as ratified
+ at commit 73de909 ("Zvk: Update AES instruction specs") of
+ riscv-crypto.
+
+ - const: zkn
+ description: |
+ The standard Zkn cryptography extension covers the NIST algorithm
+ suite that other cryptography extensions support. It is the union of
+ the Zbkb, Zbkc, Zbkx, Zknd, Zkne and Zknh extensions, as ratified at
+ commit 73de909 ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zknd
+ description: |
+ The standard Zknd cryptography extension for AES block cipher
+ decryption acceleration instructions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zkne
+ description: |
+ The standard Zkne cryptography extension for AES block cipher
+ encryption acceleration instructions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zknh
+ description: |
+ The standard Zknh cryptography extension for SHA2 hash algorithm
+ functions acceleration instructions as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zkr
+ description: |
+ The standard Zkr cryptography extension for the entropy source CSR
+ definitions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zks
+ description: |
+ The standard Zks cryptography extension covers the ShangMi algorithm
+ suite that other cryptography extensions support. It is the union of
+ the Zbkb, Zbkc, Zbkx, Zksed and Zksh extensions, as ratified at
+ commit 73de909 ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zksed
+ description: |
+ The standard Zksed cryptography extension for SM4 block cipher
+ acceleration instructions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zksh
+ description: |
+ The standard Zksh cryptography extension for SM3 hash algorithm
+ funstions acceleration instructions, as ratified at commit 73de909
+ ("Zvk: Update AES instruction specs") of riscv-crypto.
+
+ - const: zkt
+ description: |
+ The standard Zkt cryptography extension for data independent
+ execution latency attestation, for a safe subset of instructions,
+ as ratified at commit 73de909 ("Zvk: Update AES instruction specs")
+ of riscv-crypto.
+
- const: ztso
description:
The standard Ztso extension for total store ordering, as ratified
--
2.41.0
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