> -----Original Message----- > From: Hongbo Zhang [mailto:hongbo.zhang@xxxxxxxxxx] > Sent: Wednesday, November 12, 2014 4:09 PM > To: Bhushan Bharat-R65777 > Cc: Antonios Motakis; open list:VFIO DRIVER; will.deacon@xxxxxxx; > alex.williamson@xxxxxxxxxx; open list; iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx; > tech@xxxxxxxxxxxxxxxxxxxxxx; kvmarm@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH v9 03/19] vfio: platform: add the VFIO PLATFORM module to > Kconfig > > On 12 November 2014 18:05, Bharat.Bhushan@xxxxxxxxxxxxx > <Bharat.Bhushan@xxxxxxxxxxxxx> wrote: > > Hi, > > > > > > > > This is not yet supported on Freescale PowerPC. I am still in process > > of upstreaming the FSL PAMU specific patches for same. > > > > Initial plan is to test with PCIe devices and then with Platform devices. > > > > I see there is already driver/iommu/fsl_pamu.c, doesn't it work? We need VFIO iommu driver for same. > Could you explain briefly what is wrong? I've heard that the vfio pci works on > powerpc platforms. Yes, patches are in Freescale internal git repository. But those patches are yet to be upstreamed. I have started working on same. Thanks -Bharat > > > > > > > Thanks > > > > -Bharat > > > > > > > > From: kvmarm-bounces@xxxxxxxxxxxxxxxxxxxxx > > [mailto:kvmarm-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Hongbo > > Zhang > > Sent: Wednesday, November 12, 2014 3:08 PM > > To: Antonios Motakis > > Cc: open list:VFIO DRIVER; will.deacon@xxxxxxx; > > alex.williamson@xxxxxxxxxx; open list; > > iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx; tech@xxxxxxxxxxxxxxxxxxxxxx; > > kvmarm@xxxxxxxxxxxxxxxxxxxxx > > Subject: Re: [PATCH v9 03/19] vfio: platform: add the VFIO PLATFORM > > module to Kconfig > > > > > > > > > > > > > > > > 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 > > > > -- > > 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/ > > > > ��.n��������+%������w��{.n�����o�^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�
