From: Greg KH <gregkh@linuxfoundation.org>
To: Yaxing Guo <guoyaxing@bosc.ac.cn>
Cc: linux-kernel@vger.kernel.org, wangran@bosc.ac.cn,
zhangjian@bosc.ac.cn, anxu@bosc.ac.cn
Subject: Re: [PATCH v2 2/3] uio: Add Kconfig and Makefile support for UIO_PCI_GENERIC_SVA
Date: Thu, 25 Sep 2025 14:30:32 +0200 [thread overview]
Message-ID: <2025092524-boneless-sultry-f575@gregkh> (raw)
In-Reply-To: <20250925104018.57053-2-guoyaxing@bosc.ac.cn>
On Thu, Sep 25, 2025 at 06:40:17PM +0800, Yaxing Guo wrote:
> Add config symbol and build infrastructure for the UIO PCI generic
> driver with SVA (Shared Virtual Addressing) support.
>
> This introduces:
> - A new tristate config option 'UIO_PCI_GENERIC_SVA' in Kconfig,
> dependent on PCI and IOMMU_SVA.
> - Build rule in Makefile to compile uio_pci_generic_sva.o when enabled.
>
> Signed-off-by: Yaxing Guo <guoyaxing@bosc.ac.cn>
> ---
> Changes in v2:
> -- Add help info in Kconfig
>
> drivers/uio/Kconfig | 12 ++++++++++++
> drivers/uio/Makefile | 1 +
> 2 files changed, 13 insertions(+)
>
> diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
> index b060dcd7c635..ae59e3d8a99b 100644
> --- a/drivers/uio/Kconfig
> +++ b/drivers/uio/Kconfig
> @@ -164,4 +164,16 @@ config UIO_DFL
> opae-sdk/tools/libopaeuio/
>
> If you compile this as a module, it will be called uio_dfl.
> +
> +config UIO_PCI_GENERIC_SVA
> + tristate "Generic driver for PCI Express that supports sva"
> + depends on PCI && IOMMU_SVA
> + help
> + Userspace I/O driver for PCI devices that support Shared Virtual
> + Addressing (SVA), enabling direct use of user-space virtual
> + addresses in device DMA operations via IOMMU hardware.
> +
> + This driver binds to PCI devices and exposes them to userspace
> + via the UIO framework.
What is the module name?
prev parent reply other threads:[~2025-09-25 12:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-25 10:40 [PATCH v2 1/3] uio: Add SVA support for PCI devices via uio_pci_generic_sva.c Yaxing Guo
2025-09-25 10:40 ` [PATCH v2 3/3] doc: Add ABI documentation for uio_pci_sva driver sysfs attributes Yaxing Guo
2025-09-25 12:32 ` Greg KH
2025-09-26 5:57 ` yaxing guo
2025-09-26 6:03 ` Greg KH
2025-09-25 12:29 ` [PATCH v2 1/3] uio: Add SVA support for PCI devices via uio_pci_generic_sva.c Greg KH
[not found] ` <20250925104018.57053-2-guoyaxing@bosc.ac.cn>
2025-09-25 12:30 ` [PATCH v2 2/3] uio: Add Kconfig and Makefile support for UIO_PCI_GENERIC_SVA Greg KH
2025-09-25 12:30 ` Greg KH [this message]
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