Re: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.
Hi Varun, On Thu, Jan 03, 2013 at 05:21:09AM +, Sethi Varun-B16395 wrote: It's been a while since I submitted this patch. I have tried to address your comments regarding the subwindow attribute. I would really appreciate if I can get some feedback on this patch. I have some ideas in mind how we can abstract this in the IOMMU-API (with an extension to the API). I will send a RFC patchset soon to add these changes and then we can discuss it. Joerg ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
RE: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.
Hi Joerg, It's been a while since I submitted this patch. I have tried to address your comments regarding the subwindow attribute. I would really appreciate if I can get some feedback on this patch. Regards Varun -Original Message- From: Sethi Varun-B16395 Sent: Friday, December 21, 2012 7:17 AM To: 'Joerg Roedel' Cc: Sethi Varun-B16395; joerg.roe...@amd.com; iommu@lists.linux- foundation.org; linuxppc-dev@lists.ozlabs.org; linux- ker...@vger.kernel.org; Tabi Timur-B04825; Wood Scott-B07421 Subject: RE: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation. ping!! -Original Message- From: Sethi Varun-B16395 Sent: Friday, December 14, 2012 7:22 PM To: joerg.roe...@amd.com; io...@lists.linux-foundation.org; linuxppc- d...@lists.ozlabs.org; linux-ker...@vger.kernel.org; Tabi Timur-B04825; Wood Scott-B07421 Cc: Sethi Varun-B16395 Subject: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation. 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. Add PAMU bypass enable register to the ccsr_guts structure. 3. Addition of domain attributes required by the PAMU driver IOMMU API. 4. PAMU driver and IOMMU API implementation. This patch set is based on the next branch of the iommu git tree maintained by Joerg. Varun Sethi (4): store iommu domain info in device arch data. add pamu bypass enable register to guts. Add iommu attributes for PAMU FSL PAMU driver. arch/powerpc/include/asm/device.h |4 + arch/powerpc/include/asm/fsl_guts.h |4 +- drivers/iommu/Kconfig |8 + drivers/iommu/Makefile |1 + drivers/iommu/fsl_pamu.c| 1152 +++ drivers/iommu/fsl_pamu.h| 398 drivers/iommu/fsl_pamu_domain.c | 1033 +++ drivers/iommu/fsl_pamu_domain.h | 96 +++ include/linux/iommu.h | 49 ++ 9 files changed, 2744 insertions(+), 1 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 -- 1.7.4.1 ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
RE: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.
Hi Joerg, Do you have any comments on the patchset? Regards Varun -Original Message- From: Sethi Varun-B16395 Sent: Friday, December 21, 2012 7:17 AM To: 'Joerg Roedel' Cc: Sethi Varun-B16395; joerg.roe...@amd.com; iommu@lists.linux- foundation.org; linuxppc-dev@lists.ozlabs.org; linux- ker...@vger.kernel.org; Tabi Timur-B04825; Wood Scott-B07421 Subject: RE: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation. ping!! -Original Message- From: Sethi Varun-B16395 Sent: Friday, December 14, 2012 7:22 PM To: joerg.roe...@amd.com; io...@lists.linux-foundation.org; linuxppc- d...@lists.ozlabs.org; linux-ker...@vger.kernel.org; Tabi Timur-B04825; Wood Scott-B07421 Cc: Sethi Varun-B16395 Subject: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation. 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. Add PAMU bypass enable register to the ccsr_guts structure. 3. Addition of domain attributes required by the PAMU driver IOMMU API. 4. PAMU driver and IOMMU API implementation. This patch set is based on the next branch of the iommu git tree maintained by Joerg. Varun Sethi (4): store iommu domain info in device arch data. add pamu bypass enable register to guts. Add iommu attributes for PAMU FSL PAMU driver. arch/powerpc/include/asm/device.h |4 + arch/powerpc/include/asm/fsl_guts.h |4 +- drivers/iommu/Kconfig |8 + drivers/iommu/Makefile |1 + drivers/iommu/fsl_pamu.c| 1152 +++ drivers/iommu/fsl_pamu.h| 398 drivers/iommu/fsl_pamu_domain.c | 1033 +++ drivers/iommu/fsl_pamu_domain.h | 96 +++ include/linux/iommu.h | 49 ++ 9 files changed, 2744 insertions(+), 1 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 -- 1.7.4.1 ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
RE: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.
ping!! -Original Message- From: Sethi Varun-B16395 Sent: Friday, December 14, 2012 7:22 PM To: joerg.roe...@amd.com; io...@lists.linux-foundation.org; linuxppc- d...@lists.ozlabs.org; linux-ker...@vger.kernel.org; Tabi Timur-B04825; Wood Scott-B07421 Cc: Sethi Varun-B16395 Subject: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation. 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. Add PAMU bypass enable register to the ccsr_guts structure. 3. Addition of domain attributes required by the PAMU driver IOMMU API. 4. PAMU driver and IOMMU API implementation. This patch set is based on the next branch of the iommu git tree maintained by Joerg. Varun Sethi (4): store iommu domain info in device arch data. add pamu bypass enable register to guts. Add iommu attributes for PAMU FSL PAMU driver. arch/powerpc/include/asm/device.h |4 + arch/powerpc/include/asm/fsl_guts.h |4 +- drivers/iommu/Kconfig |8 + drivers/iommu/Makefile |1 + drivers/iommu/fsl_pamu.c| 1152 +++ drivers/iommu/fsl_pamu.h| 398 drivers/iommu/fsl_pamu_domain.c | 1033 +++ drivers/iommu/fsl_pamu_domain.h | 96 +++ include/linux/iommu.h | 49 ++ 9 files changed, 2744 insertions(+), 1 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 -- 1.7.4.1 ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
[PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.
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. Add PAMU bypass enable register to the ccsr_guts structure. 3. Addition of domain attributes required by the PAMU driver IOMMU API. 4. PAMU driver and IOMMU API implementation. This patch set is based on the next branch of the iommu git tree maintained by Joerg. Varun Sethi (4): store iommu domain info in device arch data. add pamu bypass enable register to guts. Add iommu attributes for PAMU FSL PAMU driver. arch/powerpc/include/asm/device.h |4 + arch/powerpc/include/asm/fsl_guts.h |4 +- drivers/iommu/Kconfig |8 + drivers/iommu/Makefile |1 + drivers/iommu/fsl_pamu.c| 1152 +++ drivers/iommu/fsl_pamu.h| 398 drivers/iommu/fsl_pamu_domain.c | 1033 +++ drivers/iommu/fsl_pamu_domain.h | 96 +++ include/linux/iommu.h | 49 ++ 9 files changed, 2744 insertions(+), 1 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 -- 1.7.4.1 ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
[PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.
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. Add PAMU bypass enable register to the ccsr_guts structure. 3. Addition of domain attributes required by the PAMU driver IOMMU API. 4. PAMU driver and IOMMU API implementation. This patch set is based on the next branch of the iommu git tree maintained by Joerg. Varun Sethi (4): store iommu domain pointer in device archdata structure. Add PAMU bypass enable register to ccsr_guts structure. Add attributes for fsl PAMU driver. FSL PAMU driver. arch/powerpc/include/asm/device.h |4 + arch/powerpc/include/asm/fsl_guts.h |4 +- drivers/iommu/Kconfig |8 + drivers/iommu/Makefile |1 + drivers/iommu/fsl_pamu.c| 1152 +++ drivers/iommu/fsl_pamu.h| 398 ++ drivers/iommu/fsl_pamu_domain.c | 978 + drivers/iommu/fsl_pamu_domain.h | 102 include/linux/iommu.h | 43 +++ 9 files changed, 2680 insertions(+), 1 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 -- 1.7.4.1 ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
Re: [PATCH 0/4] iommu/fsl: Freescale PAMU driver and IOMMU API implementation.
Varun Sethi wrote: 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. You forgot to send post these patches to linuxppc-rele...@linux.freescale.net. May I suggest the following git-send-email ... --bcc linuxppc-rele...@linux.freescale.net ... whenever you post a patch upstream? 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. Add PAMU bypass enable register to the ccsr_guts structure. I don't see patch 2/4 posted anywhere. -- Timur Tabi Linux kernel developer at Freescale ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
