From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Subject: Re: [RFC][PATCH 0/3] iommu/fsl: Freescale PAMU driver and IOMMU API implementation. Date: Wed, 19 Sep 2012 19:14:02 -0500 Message-ID: <1348100042.22800.22@snotra> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; delsp=Yes; format=Flowed Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: (from galak@kernel.crashing.org on Wed Sep 19 08:49:14 2012) Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Kumar Gala Cc: "" , joerg.roedel@amd.com, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, Varun Sethi List-Id: iommu@lists.linux-foundation.org On 09/19/2012 08:49:14 AM, Kumar Gala wrote: > > On Sep 19, 2012, at 8:17 AM, > wrote: > > > From: Varun Sethi > > > > This patchset provides the Freescale PAMU (Peripheral Access > Management Unit) driver > > and the corresponding IOMMU API implementation. PAMU is the IOMMU > present on Freescale > > QorIQ platforms. PAMU can authorize memory access, remap the memory > address, and remap > > the I/O transaction type. > > > > This set consists of the following patches: > > 1. Addition of new field in the device (powerpc) archdata structure > for storing iommu domain information > > pointer. This pointer is stored when the device is attached to a > particular iommu domain. > > 2. Addition of domain attributes required by the PAMU driver IOMMU > API. > > 3. PAMU driver and IOMMU API implementation. > > > > Varun Sethi (3): > > Store iommu domain information pointer in archdata. > > Add iommu domain attributes required by fsl PAMU driver. > > FSL PAMU driver and IOMMU API implementation. > > > > arch/powerpc/include/asm/device.h | 4 + > > drivers/iommu/Kconfig | 7 + > > drivers/iommu/Makefile | 1 + > > drivers/iommu/fsl_pamu.c | 1033 > +++++++++++++++++++++++++++++++++++++ > > drivers/iommu/fsl_pamu.h | 377 ++++++++++++++ > > drivers/iommu/fsl_pamu_domain.c | 990 > +++++++++++++++++++++++++++++++++++ > > drivers/iommu/fsl_pamu_domain.h | 94 ++++ > > drivers/iommu/fsl_pamu_proto.h | 49 ++ > > include/linux/iommu.h | 30 ++ > > 9 files changed, 2585 insertions(+), 0 deletions(-) > > create mode 100644 drivers/iommu/fsl_pamu.c > > create mode 100644 drivers/iommu/fsl_pamu.h > > create mode 100644 drivers/iommu/fsl_pamu_domain.c > > create mode 100644 drivers/iommu/fsl_pamu_domain.h > > create mode 100644 drivers/iommu/fsl_pamu_proto.h > > I assume that another patch series will add device tree binding spec > and update device trees for SoCs with PAMU? The device trees already have PAMU in them. A binding would be nice, though. -Scott