From: Yu-Chien Peter Lin <peter.lin@sifive.com>
To: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
pjw@kernel.org, palmer@dabbelt.com, aou@eecs.berkeley.edu,
alex@ghiti.fr, samuel.holland@sifive.com, dlan@kernel.org,
guodong@riscstar.com, dfustini@oss.tenstorrent.com,
michal.simek@amd.com, junhui.liu@pigmoral.tech,
darshan.prajapati@einfochips.com, akpm@linux-foundation.org,
zhangchunyan@iscas.ac.cn, luxu.kernel@bytedance.com,
pincheng.plct@isrc.iscas.ac.cn, nick.hu@sifive.com,
jim.shu@sifive.com, zong.li@sifive.com, greentime.hu@sifive.com,
robin.randhawa@sifive.com, scott@riscstar.com,
dave.patel@riscstar.com, raymond.mao@riscstar.com,
anup@brainfault.org, pawandeep.oza@oss.qualcomm.com,
Yu-Chien Peter Lin <peter.lin@sifive.com>
Subject: [PATCH v2 0/3] dt-bindings: riscv: Add RISC-V Worlds and SiFive WorldGuard DT bindings
Date: Thu, 30 Jul 2026 00:39:05 +0800 [thread overview]
Message-ID: <20260729163908.249838-1-peter.lin@sifive.com> (raw)
Add device tree bindings for RISC-V Worlds, a standard extension that tags
every transaction with a World ID for fine-grained isolation. SiFive's
WorldGuard Checker is a hardware firewall in the system interconnect that
inspects transaction WIDs and enforces per-World access policies on memory
and MMIO devices.
wgChecker specification reference:
https://github.com/riscvarchive/security/blob/main/papers/worldguard%20proposal.pdf
Yu-Chien Peter Lin (3):
dt-bindings: riscv: Add Worlds ISA extensions
dt-bindings: riscv: Add Worlds per-hart properties
dt-bindings: sifive: Add WorldGuard Checker
.../devicetree/bindings/riscv/cpus.yaml | 61 +++
.../devicetree/bindings/riscv/extensions.yaml | 53 +++
.../devicetree/bindings/riscv/worlds.yaml | 86 +++++
.../bindings/sifive/sifive,wgchecker2.yaml | 356 ++++++++++++++++++
4 files changed, 556 insertions(+)
create mode 100644 Documentation/devicetree/bindings/riscv/worlds.yaml
create mode 100644 Documentation/devicetree/bindings/sifive/sifive,wgchecker2.yaml
--
2.43.7
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next reply other threads:[~2026-07-29 16:39 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-29 16:39 Yu-Chien Peter Lin [this message]
2026-07-29 16:39 ` [PATCH v2 1/3] dt-bindings: riscv: Add Worlds ISA extensions Yu-Chien Peter Lin
2026-07-29 16:39 ` [PATCH v2 2/3] dt-bindings: riscv: Add Worlds per-hart properties Yu-Chien Peter Lin
2026-07-29 18:06 ` Rob Herring (Arm)
2026-08-07 7:57 ` Yu-Chien Peter Lin
2026-07-30 7:30 ` Krzysztof Kozlowski
2026-07-29 16:39 ` [PATCH v2 3/3] dt-bindings: sifive: Add WorldGuard Checker Yu-Chien Peter Lin
2026-07-29 18:07 ` Rob Herring (Arm)
2026-07-30 7:35 ` Krzysztof Kozlowski
2026-07-30 7:37 ` Krzysztof Kozlowski
2026-07-30 17:36 ` Conor Dooley
2026-07-31 1:43 ` [PATCH v2 0/3] dt-bindings: riscv: Add RISC-V Worlds and SiFive WorldGuard DT bindings Nick Kossifidis
2026-08-04 8:25 ` Yu-Chien Peter Lin
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