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Message-ID: <57678928-4557-4975-ae23-7e11904e5302@linux.intel.com>
Date: Wed, 1 May 2024 18:01:22 +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 v3 3/7] iommu/riscv: Add RISC-V IOMMU PCIe 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.1714494653.git.tjeznach@rivosinc.com>
 <3a04bd180fd510cb90e8d8dba5fb60f207e5e83f.1714494653.git.tjeznach@rivosinc.com>
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From: Baolu Lu <baolu.lu@linux.intel.com>
In-Reply-To: <3a04bd180fd510cb90e8d8dba5fb60f207e5e83f.1714494653.git.tjeznach@rivosinc.com>
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On 2024/5/1 4:01, Tomasz Jeznach wrote:
> Introduce device driver for PCIe implementation
> of RISC-V IOMMU architected hardware.
> 
> IOMMU hardware and system support for MSI or MSI-X is
> required by this implementation.
> 
> Vendor and device identifiers used in this patch
> matches QEMU implementation of the RISC-V IOMMU PCIe
> device, from Rivos VID (0x1efd) range allocated by the PCI-SIG.
> 
> MAINTAINERS | added iommu-pci.c already covered by matching pattern.
> 
> Link:https://lore.kernel.org/qemu-devel/20240307160319.675044-1-dbarboza@ventanamicro.com/
> Co-developed-by: Nick Kossifidis<mick@ics.forth.gr>
> Signed-off-by: Nick Kossifidis<mick@ics.forth.gr>
> Signed-off-by: Tomasz Jeznach<tjeznach@rivosinc.com>
> ---
>   drivers/iommu/riscv/Kconfig     |   5 ++
>   drivers/iommu/riscv/Makefile    |   1 +
>   drivers/iommu/riscv/iommu-pci.c | 119 ++++++++++++++++++++++++++++++++
>   3 files changed, 125 insertions(+)
>   create mode 100644 drivers/iommu/riscv/iommu-pci.c

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

Best regards,
baolu