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Message-Id: <20250925040637.14511-2-guoyaxing@bosc.ac.cn> Date: Thu, 25 Sep 2025 12:06:37 +0800 From: Yaxing Guo <guoyaxing@...c.ac.cn> To: gregkh@...uxfoundation.org Cc: linux-kernel@...r.kernel.org, anxu@...c.ac.cn, zhangjian@...c.ac.cn, wangran@...c.an.cn, guoyaxing@...c.ac.cn Subject: [RFC v1 2/2] uio: Add Kconfig and Makefile support for UIO_PCI_GENERIC_SVA 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@...c.ac.cn> --- drivers/uio/Kconfig | 5 +++++ drivers/uio/Makefile | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index b060dcd7c635..9849e53d1932 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig @@ -164,4 +164,9 @@ 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 + endif diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile index 1c5f3b5a95cf..5352e21e918d 100644 --- a/drivers/uio/Makefile +++ b/drivers/uio/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_UIO_MF624) += uio_mf624.o obj-$(CONFIG_UIO_FSL_ELBC_GPCM) += uio_fsl_elbc_gpcm.o obj-$(CONFIG_UIO_HV_GENERIC) += uio_hv_generic.o obj-$(CONFIG_UIO_DFL) += uio_dfl.o +obj-$(CONFIG_UIO_PCI_GENERIC_SVA) += uio_pci_generic_sva.o -- 2.34.1
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