Hello Hongbo, On Wed, Nov 12, 2014 at 10:52 AM, Hongbo Zhang <hongbo.zhang@xxxxxxxxxx> wrote: > 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-$(CONFIG_VFIO_PLATFORM) += platform/ >> diff --git a/drivers/vfio/platform/Kconfig b/drivers/vfio/platform/Kconfig >> new file mode 100644 >> index 0000000..c51af17 >> --- /dev/null >> +++ b/drivers/vfio/platform/Kconfig >> @@ -0,0 +1,9 @@ >> +config VFIO_PLATFORM >> + tristate "VFIO support for platform devices" >> + depends on VFIO && EVENTFD && ARM > > Hi Antonios, > Is this only for ARM? how about X86 and PowerPC? > On Freescale's PowerPC platform, the IOMMU is called PAMU (Peripheral > Access Management Unit), and I am trying to use this VFIO framework on > it. > In principle it should be working on any platform with such devices; as long as you have a VFIO IOMMU driver for the PAMU (on ARM we use VFIO PLATFORM for the device, with VFIO IOMMU TYPE1 for the IOMMU). So if you have a suitable IOMMU driver for your target, feel free to test it, and let us know of the results. >> >> + help >> + Support for platform devices with VFIO. This is required to make >> + use of platform devices present on the system using the VFIO >> + framework. >> + >> + If you don't know what to do here, say N. >> diff --git a/drivers/vfio/platform/Makefile b/drivers/vfio/platform/Makefile >> new file mode 100644 >> index 0000000..279862b >> --- /dev/null >> +++ b/drivers/vfio/platform/Makefile >> @@ -0,0 +1,4 @@ >> + >> +vfio-platform-y := vfio_platform.o vfio_platform_common.o >> + >> +obj-$(CONFIG_VFIO_PLATFORM) += vfio-platform.o >> -- >> 2.1.1 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
