From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752733AbaKLLAV (ORCPT ); Wed, 12 Nov 2014 06:00:21 -0500 Received: from mail-bn1on0135.outbound.protection.outlook.com ([157.56.110.135]:40349 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752322AbaKLLAS (ORCPT ); Wed, 12 Nov 2014 06:00:18 -0500 From: "Bharat.Bhushan@freescale.com" To: Hongbo Zhang CC: Antonios Motakis , "open list:VFIO DRIVER" , "will.deacon@arm.com" , "alex.williamson@redhat.com" , open list , "iommu@lists.linux-foundation.org" , "tech@virtualopensystems.com" , "kvmarm@lists.cs.columbia.edu" Subject: RE: [PATCH v9 03/19] vfio: platform: add the VFIO PLATFORM module to Kconfig Thread-Topic: [PATCH v9 03/19] vfio: platform: add the VFIO PLATFORM module to Kconfig Thread-Index: AQHP/l72QXCJlfSnqUezRdYPZfhylpxcwwvggAAJ8QCAAAVl0A== Date: Wed, 12 Nov 2014 11:00:16 +0000 Message-ID: References: <1414433284-31719-1-git-send-email-a.motakis@virtualopensystems.com> <1414433284-31719-4-git-send-email-a.motakis@virtualopensystems.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [192.88.169.1] x-microsoft-antispam: BCL:0;PCL:0;RULEID:;SRVR:BN3PR0301MB1267; x-exchange-antispam-report-test: UriScan:; x-exchange-antispam-report-cfa-test: BCL:0;PCL:0;RULEID:;SRVR:BN3PR0301MB1267; x-forefront-prvs: 03932714EB x-forefront-antispam-report: SFV:NSPM;SFS:(10019020)(6009001)(189002)(199003)(377454003)(51704005)(13464003)(24454002)(120916001)(87936001)(2656002)(19580395003)(19580405001)(76576001)(64706001)(20776003)(66066001)(54356999)(50986999)(76176999)(15975445006)(33646002)(97736003)(99286002)(122556002)(110136001)(99396003)(95666004)(107046002)(106116001)(105586002)(106356001)(4396001)(46102003)(21056001)(77156002)(40100003)(77096003)(62966003)(101416001)(31966008)(93886004)(575784001)(86362001)(108616004)(92566001)(74316001)(15202345003)(24736002)(217873001);DIR:OUT;SFP:1102;SCL:1;SRVR:BN3PR0301MB1267;H:BN3PR0301MB1265.namprd03.prod.outlook.com;FPR:;MLV:sfv;PTR:InfoNoRecords;MX:1;A:1;LANG:en; Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 X-OriginatorOrg: freescale.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id sACB0RkB016540 > -----Original Message----- > From: Hongbo Zhang [mailto:hongbo.zhang@linaro.org] > Sent: Wednesday, November 12, 2014 4:09 PM > To: Bhushan Bharat-R65777 > Cc: Antonios Motakis; open list:VFIO DRIVER; will.deacon@arm.com; > alex.williamson@redhat.com; open list; iommu@lists.linux-foundation.org; > tech@virtualopensystems.com; kvmarm@lists.cs.columbia.edu > Subject: Re: [PATCH v9 03/19] vfio: platform: add the VFIO PLATFORM module to > Kconfig > > On 12 November 2014 18:05, Bharat.Bhushan@freescale.com > 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@lists.cs.columbia.edu > > [mailto:kvmarm-bounces@lists.cs.columbia.edu] On Behalf Of Hongbo > > Zhang > > Sent: Wednesday, November 12, 2014 3:08 PM > > To: Antonios Motakis > > Cc: open list:VFIO DRIVER; will.deacon@arm.com; > > alex.williamson@redhat.com; open list; > > iommu@lists.linux-foundation.org; tech@virtualopensystems.com; > > kvmarm@lists.cs.columbia.edu > > Subject: Re: [PATCH v9 03/19] vfio: platform: add the VFIO PLATFORM > > module to Kconfig > > > > > > > > > > > > > > > > On 28 October 2014 02:07, Antonios Motakis > > wrote: > > > > Enable building the VFIO PLATFORM driver that allows to use Linux > > platform devices with VFIO. > > > > Signed-off-by: Antonios Motakis > > --- > > 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@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Please read the FAQ at http://www.tux.org/lkml/ > > > > {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I