linux-kernel - Re: [PATCH v3 3/7] iommu/riscv: Add RISC-V IOMMU PCIe device driver

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Message-ID: <57678928-4557-4975-ae23-7e11904e5302@linux.intel.com>
Date: Wed, 1 May 2024 18:01:22 +0800
From: Baolu Lu <baolu.lu@...ux.intel.com>
To: Tomasz Jeznach <tjeznach@...osinc.com>, Joerg Roedel <joro@...tes.org>,
 Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
 Paul Walmsley <paul.walmsley@...ive.com>
Cc: baolu.lu@...ux.intel.com, Palmer Dabbelt <palmer@...belt.com>,
 Albert Ou <aou@...s.berkeley.edu>, Anup Patel <apatel@...tanamicro.com>,
 Sunil V L <sunilvl@...tanamicro.com>, Nick Kossifidis <mick@....forth.gr>,
 Sebastien Boeuf <seb@...osinc.com>, Rob Herring <robh+dt@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, devicetree@...r.kernel.org, iommu@...ts.linux.dev,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux@...osinc.com
Subject: Re: [PATCH v3 3/7] iommu/riscv: Add RISC-V IOMMU PCIe device driver

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@....forth.gr>
> Signed-off-by: Nick Kossifidis<mick@....forth.gr>
> Signed-off-by: Tomasz Jeznach<tjeznach@...osinc.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@...ux.intel.com>

Best regards,
baolu