Re: [PATCH v9 03/19] vfio: platform: add the VFIO PLATFORM module to Kconfig

[Hongbo Zhang]

On 28 October 2014 02:07, Antonios Motakis
<a.motakis@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> Enable building the VFIO PLATFORM driver that allows to use Linux platform
> devices with VFIO.
>
> Signed-off-by: Antonios Motakis <a.motakis@xxxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/vfio/Kconfig           | 1 +
>  drivers/vfio/Makefile          | 1 +
>  drivers/vfio/platform/Kconfig  | 9 +++++++++
>  drivers/vfio/platform/Makefile | 4 ++++
>  4 files changed, 15 insertions(+)
>  create mode 100644 drivers/vfio/platform/Kconfig
>  create mode 100644 drivers/vfio/platform/Makefile
>
> diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig
> index a0abe04..962fb80 100644
> --- a/drivers/vfio/Kconfig
> +++ b/drivers/vfio/Kconfig
> @@ -27,3 +27,4 @@ menuconfig VFIO
>           If you don't know what to do here, say N.
>
>  source "drivers/vfio/pci/Kconfig"
> +source "drivers/vfio/platform/Kconfig"
> diff --git a/drivers/vfio/Makefile b/drivers/vfio/Makefile
> index 0b035b1..dadf0ca 100644
> --- a/drivers/vfio/Makefile
> +++ b/drivers/vfio/Makefile
> @@ -3,3 +3,4 @@ obj-$(CONFIG_VFIO_IOMMU_TYPE1) += vfio_iommu_type1.o
>  obj-$(CONFIG_VFIO_IOMMU_SPAPR_TCE) += vfio_iommu_spapr_tce.o
>  obj-$(CONFIG_VFIO_SPAPR_EEH) += vfio_spapr_eeh.o
>  obj-$(CONFIG_VFIO_PCI) += pci/
> +obj-$(CONFIG_VFIO_PLATFORM) += platform/
> diff --git a/drivers/vfio/platform/Kconfig b/drivers/vfio/platform/Kconfig
> new file mode 100644
> index 0000000..c51af17
> --- /dev/null
> +++ b/drivers/vfio/platform/Kconfig
> @@ -0,0 +1,9 @@
> +config VFIO_PLATFORM
> +       tristate "VFIO support for platform devices"
> +       depends on VFIO && EVENTFD && ARM

Hi Antonios,
Is this only for ARM? how about X86 and PowerPC?
On Freescale's PowerPC platform, the IOMMU is called PAMU (Peripheral
Access Management Unit), and I am trying to use this VFIO framework on
it.

>
> +       help
> +         Support for platform devices with VFIO. This is required to make
> +         use of platform devices present on the system using the VFIO
> +         framework.
> +
> +         If you don't know what to do here, say N.
> diff --git a/drivers/vfio/platform/Makefile b/drivers/vfio/platform/Makefile
> new file mode 100644
> index 0000000..279862b
> --- /dev/null
> +++ b/drivers/vfio/platform/Makefile
> @@ -0,0 +1,4 @@
> +
> +vfio-platform-y := vfio_platform.o vfio_platform_common.o
> +
> +obj-$(CONFIG_VFIO_PLATFORM) += vfio-platform.o
> --
> 2.1.1
>
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