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Message-ID: <b17ca96a-9e0c-43ca-9815-fee5a3661ad4@linux.intel.com>
Date: Sat, 4 May 2024 10:05:14 +0800
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Cc: baolu.lu@linux.intel.com, Palmer Dabbelt <palmer@dabbelt.com>,
 Albert Ou <aou@eecs.berkeley.edu>, Anup Patel <apatel@ventanamicro.com>,
 Sunil V L <sunilvl@ventanamicro.com>, Nick Kossifidis <mick@ics.forth.gr>,
 Sebastien Boeuf <seb@rivosinc.com>, Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzk+dt@kernel.org>, Conor Dooley
 <conor+dt@kernel.org>, devicetree@vger.kernel.org, iommu@lists.linux.dev,
 linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
 linux@rivosinc.com
Subject: Re: [PATCH v4 2/7] iommu/riscv: Add RISC-V IOMMU platform device
 driver
To: Tomasz Jeznach <tjeznach@rivosinc.com>, Joerg Roedel <joro@8bytes.org>,
 Will Deacon <will@kernel.org>, Robin Murphy <robin.murphy@arm.com>,
 Paul Walmsley <paul.walmsley@sifive.com>
References: <cover.1714752293.git.tjeznach@rivosinc.com>
 <68afb8d5e45e82dfc818385e01e9ddaa659007e1.1714752293.git.tjeznach@rivosinc.com>
Content-Language: en-US
From: Baolu Lu <baolu.lu@linux.intel.com>
In-Reply-To: <68afb8d5e45e82dfc818385e01e9ddaa659007e1.1714752293.git.tjeznach@rivosinc.com>
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On 5/4/24 12:12 AM, Tomasz Jeznach wrote:
> Introduce platform device driver for implementation of RISC-V IOMMU
> architected hardware.
> 
> Hardware interface definition located in file iommu-bits.h is based on
> ratified RISC-V IOMMU Architecture Specification version 1.0.0.
> 
> This patch implements platform device initialization, early check and
> configuration of the IOMMU interfaces and enables global pass-through
> address translation mode (iommu_mode == BARE), without registering
> hardware instance in the IOMMU subsystem.
> 
> Link:https://github.com/riscv-non-isa/riscv-iommu
> Co-developed-by: Nick Kossifidis<mick@ics.forth.gr>
> Signed-off-by: Nick Kossifidis<mick@ics.forth.gr>
> Co-developed-by: Sebastien Boeuf<seb@rivosinc.com>
> Signed-off-by: Sebastien Boeuf<seb@rivosinc.com>
> Signed-off-by: Tomasz Jeznach<tjeznach@rivosinc.com>

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>

Best regards,
baolu