> -----Original Message----- > From: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx> > Sent: Monday, July 20, 2020 10:25 PM > To: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; Rob Herring <robh+dt@xxxxxxxxxx>; > Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>; Bjorn Helgaas <bhelgaas@xxxxxxxxxx>; > Catalin Marinas <catalin.marinas@xxxxxxx>; Will Deacon <will@xxxxxxxxxx>; > joro@xxxxxxxxxx > Cc: Hanjun Guo <guohanjun@xxxxxxxxxx>; Sudeep Holla > <sudeep.holla@xxxxxxx>; Robin Murphy <robin.murphy@xxxxxxx>; Marc > Zyngier <maz@xxxxxxxxxx>; iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx; linux- > acpi@xxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx; > Makarand Pawagi <makarand.pawagi@xxxxxxx>; Diana Madalina Craciun (OSS) > <diana.craciun@xxxxxxxxxxx>; Laurentiu Tudor <laurentiu.tudor@xxxxxxx> > Subject: [EXT] Re: [PATCH v2 00/12] ACPI/OF: Upgrade MSI/IOMMU ID mapping > APIs > > Caution: EXT Email > > On Fri, Jun 19, 2020 at 09:20:01AM +0100, Lorenzo Pieralisi wrote: > > This series is a v2 of a previous posting: > > > > v1 -> v2 > > > > - Removed _rid() wrappers > > - Fixed !CONFIG_ACPI compilation issue > > - Converted of_pci_iommu_init() to use of_iommu_configure_dev_id() > > > > v1: > > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore > > .kernel.org%2Flinux-arm-kernel%2F20200521130008.8266-1-lorenzo.pierali > > > si%40arm.com%2F&data=02%7C01%7Cmakarand.pawagi%40nxp.com%7C > da7bade > > > c592846a1478808d82ccd9eb1%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0% > 7C1%7 > > > C637308608924853281&sdata=ZoP3e2Q5Ijkz%2FtsGfgu9MYkmKXSHQExs5 > J64Sb > > h51YA%3D&reserved=0 > > > > Original cover letter > > --------------------- > > > > Firmware bindings provided in the ACPI IORT table[1] and device tree > > bindings define rules to carry out input/output ID mappings - ie > > retrieving an IOMMU/MSI controller input ID for a device with a given > > ID. > > > > At the moment these firmware bindings are used exclusively for PCI > > devices and their requester ID to IOMMU/MSI id mapping but there is > > nothing PCI specific in the ACPI and devicetree bindings that prevent > > the firmware and kernel from using the firmware bindings to traslate > > device IDs for any bus that requires its devices to carry out > > input/output id translations. > > > > The Freescale FSL bus is an example whereby the input/output ID > > translation kernel code put in place for PCI can be reused for devices > > attached to the bus that are not PCI devices. > > > > This series updates the kernel code to make the MSI/IOMMU input/output > > ID translation PCI agnostic and apply the resulting changes to the > > device ID space provided by the Freescale FSL bus. > > > > [1] > > https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Finfoc > > > enter.arm.com%2Fhelp%2Ftopic%2Fcom.arm.doc.den0049d%2FDEN0049D_IO_ > Rema > > > pping_Table.pdf&data=02%7C01%7Cmakarand.pawagi%40nxp.com%7Cda > 7bade > > > c592846a1478808d82ccd9eb1%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0% > 7C1%7 > > > C637308608924853281&sdata=RzpIo4AfAFsi2pdEuY%2FbnPAyase5cSmFIr5 > 2SX > > aOrTg%3D&reserved=0 > > > > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > > Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx> > > Cc: "Joerg Roedel <joro@xxxxxxxxxx> > > Cc: Hanjun Guo <guohanjun@xxxxxxxxxx> > > Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> > > Cc: Sudeep Holla <sudeep.holla@xxxxxxx> > > Cc: Robin Murphy <robin.murphy@xxxxxxx> > > Cc: Catalin Marinas <catalin.marinas@xxxxxxx> > > Cc: Will Deacon <will@xxxxxxxxxx> > > Cc: Marc Zyngier <maz@xxxxxxxxxx> > > > > Diana Craciun (2): > > of/irq: make of_msi_map_get_device_domain() bus agnostic > > bus/fsl-mc: Refactor the MSI domain creation in the DPRC driver > > > > Laurentiu Tudor (1): > > dt-bindings: arm: fsl: Add msi-map device-tree binding for fsl-mc > > bus > > > > Lorenzo Pieralisi (8): > > ACPI/IORT: Make iort_match_node_callback walk the ACPI namespace for > > NC > > ACPI/IORT: Make iort_get_device_domain IRQ domain agnostic > > ACPI/IORT: Make iort_msi_map_rid() PCI agnostic > > ACPI/IORT: Remove useless PCI bus walk > > ACPI/IORT: Add an input ID to acpi_dma_configure() > > of/iommu: Make of_map_rid() PCI agnostic > > of/device: Add input id to of_dma_configure() > > of/irq: Make of_msi_map_rid() PCI bus agnostic > > > > Makarand Pawagi (1): > > bus: fsl-mc: Add ACPI support for fsl-mc > > > > .../devicetree/bindings/misc/fsl,qoriq-mc.txt | 50 +++++++- > > drivers/acpi/arm64/iort.c | 108 ++++++++++++------ > > drivers/acpi/scan.c | 8 +- > > drivers/bus/fsl-mc/dprc-driver.c | 31 ++--- > > drivers/bus/fsl-mc/fsl-mc-bus.c | 79 +++++++++---- > > drivers/bus/fsl-mc/fsl-mc-msi.c | 36 ++++-- > > drivers/bus/fsl-mc/fsl-mc-private.h | 6 +- > > drivers/iommu/of_iommu.c | 81 +++++++------ > > drivers/irqchip/irq-gic-v3-its-fsl-mc-msi.c | 105 ++++++++++++++--- > > drivers/of/base.c | 42 +++---- > > drivers/of/device.c | 8 +- > > drivers/of/irq.c | 34 +++--- > > drivers/pci/msi.c | 9 +- > > include/acpi/acpi_bus.h | 9 +- > > include/linux/acpi.h | 7 ++ > > include/linux/acpi_iort.h | 20 ++-- > > include/linux/of.h | 4 +- > > include/linux/of_device.h | 16 ++- > > include/linux/of_iommu.h | 6 +- > > include/linux/of_irq.h | 13 ++- > > 20 files changed, 451 insertions(+), 221 deletions(-) > > Hi guys, > > I think this series is ready for upstream (there are two ACKs missing from Rafael > on patch (5) and Bjorn on patch (3) - I asked for them), it touches lots of > subsystems so I am not really sure what's the best way to pull it, more so given > that it is also late in the cycle (I do think it is best to merge it via a single tree, it > does not make sense to split it up in my opinion). > > Please let me know. > Hi Lorenzo, I too find it suitable to merge it as a whole. Hi Rafael, Bjorn, Can you finalize your review for patch-5 and patch-3? > Thanks, > Lorenzo
