From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org, lorenzo.pieralisi@arm.com,
robh+dt@kernel.org
Cc: guohanjun@huawei.com, sudeep.holla@arm.com, rjw@rjwysocki.net,
lenb@kernel.org, robin.murphy@arm.com, bhelgaas@google.com,
Jonathan.Cameron@huawei.com, eric.auger@redhat.com,
iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-pci@vger.kernel.org, baolu.lu@linux.intel.com,
zhangfei.gao@linaro.org, shameerali.kolothum.thodi@huawei.com,
vivek.gautam@arm.com,
Jean-Philippe Brucker <jean-philippe@linaro.org>
Subject: [PATCH v8 0/9] iommu: I/O page faults for SMMUv3
Date: Thu, 12 Nov 2020 13:55:12 +0100 [thread overview]
Message-ID: <20201112125519.3987595-1-jean-philippe@linaro.org> (raw)
Add support for stall and PRI to the SMMUv3 driver, along with a common
I/O Page Fault handler.
These patches were last sent as part of v7 of the larger SVA series [1].
Main changes since v7:
* Dropped CONFIG_IOMMU_PAGE_FAULT, reuse CONFIG_IOMMU_SVA_LIB instead.
* Extracted devicetree support into patch 4.
* Added patch 5 for ACPI support.
* Dropped event queue flush on unbind(). Since device drivers must
complete DMA transactions before calling unbind(), there cannot be any
pending stalled event.
* A few small fixes.
The series depends on "iommu/sva: Add PASID helpers" [2], since it
provides the function to search an mm_struct by PASID.
Has anyone been testing the PRI patches on hardware? I still only have a
software model to test them, so as much as I'd like to cross this off my
list, we could leave out patches 7-9 for now.
[1] https://lore.kernel.org/linux-iommu/20200519175502.2504091-1-jean-philippe@linaro.org/
[2] https://lore.kernel.org/linux-iommu/20201106155048.997886-1-jean-philippe@linaro.org/
Jean-Philippe Brucker (9):
iommu: Add a page fault handler
iommu/arm-smmu-v3: Maintain a SID->device structure
dt-bindings: document stall property for IOMMU masters
of/iommu: Support dma-can-stall property
ACPI/IORT: Enable stall support for platform devices
iommu/arm-smmu-v3: Add stall support for platform devices
PCI/ATS: Add PRI stubs
PCI/ATS: Export PRI functions
iommu/arm-smmu-v3: Add support for PRI
drivers/iommu/Makefile | 1 +
.../devicetree/bindings/iommu/iommu.txt | 18 +
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 69 +-
drivers/iommu/iommu-sva-lib.h | 53 ++
include/linux/iommu.h | 4 +
include/linux/pci-ats.h | 7 +
drivers/acpi/arm64/iort.c | 1 +
.../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 52 +-
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 605 +++++++++++++++---
drivers/iommu/io-pgfault.c | 462 +++++++++++++
drivers/iommu/of_iommu.c | 5 +-
drivers/pci/ats.c | 4 +
12 files changed, 1191 insertions(+), 90 deletions(-)
create mode 100644 drivers/iommu/io-pgfault.c
--
2.29.1
WARNING: multiple messages have this Message-ID (diff)
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org, lorenzo.pieralisi@arm.com,
robh+dt@kernel.org
Cc: devicetree@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-pci@vger.kernel.org, guohanjun@huawei.com,
rjw@rjwysocki.net, iommu@lists.linux-foundation.org,
sudeep.holla@arm.com, bhelgaas@google.com,
zhangfei.gao@linaro.org, vivek.gautam@arm.com,
robin.murphy@arm.com,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
linux-arm-kernel@lists.infradead.org, lenb@kernel.org
Subject: [PATCH v8 0/9] iommu: I/O page faults for SMMUv3
Date: Thu, 12 Nov 2020 13:55:12 +0100 [thread overview]
Message-ID: <20201112125519.3987595-1-jean-philippe@linaro.org> (raw)
Add support for stall and PRI to the SMMUv3 driver, along with a common
I/O Page Fault handler.
These patches were last sent as part of v7 of the larger SVA series [1].
Main changes since v7:
* Dropped CONFIG_IOMMU_PAGE_FAULT, reuse CONFIG_IOMMU_SVA_LIB instead.
* Extracted devicetree support into patch 4.
* Added patch 5 for ACPI support.
* Dropped event queue flush on unbind(). Since device drivers must
complete DMA transactions before calling unbind(), there cannot be any
pending stalled event.
* A few small fixes.
The series depends on "iommu/sva: Add PASID helpers" [2], since it
provides the function to search an mm_struct by PASID.
Has anyone been testing the PRI patches on hardware? I still only have a
software model to test them, so as much as I'd like to cross this off my
list, we could leave out patches 7-9 for now.
[1] https://lore.kernel.org/linux-iommu/20200519175502.2504091-1-jean-philippe@linaro.org/
[2] https://lore.kernel.org/linux-iommu/20201106155048.997886-1-jean-philippe@linaro.org/
Jean-Philippe Brucker (9):
iommu: Add a page fault handler
iommu/arm-smmu-v3: Maintain a SID->device structure
dt-bindings: document stall property for IOMMU masters
of/iommu: Support dma-can-stall property
ACPI/IORT: Enable stall support for platform devices
iommu/arm-smmu-v3: Add stall support for platform devices
PCI/ATS: Add PRI stubs
PCI/ATS: Export PRI functions
iommu/arm-smmu-v3: Add support for PRI
drivers/iommu/Makefile | 1 +
.../devicetree/bindings/iommu/iommu.txt | 18 +
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 69 +-
drivers/iommu/iommu-sva-lib.h | 53 ++
include/linux/iommu.h | 4 +
include/linux/pci-ats.h | 7 +
drivers/acpi/arm64/iort.c | 1 +
.../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 52 +-
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 605 +++++++++++++++---
drivers/iommu/io-pgfault.c | 462 +++++++++++++
drivers/iommu/of_iommu.c | 5 +-
drivers/pci/ats.c | 4 +
12 files changed, 1191 insertions(+), 90 deletions(-)
create mode 100644 drivers/iommu/io-pgfault.c
--
2.29.1
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu
WARNING: multiple messages have this Message-ID (diff)
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
To: joro@8bytes.org, will@kernel.org, lorenzo.pieralisi@arm.com,
robh+dt@kernel.org
Cc: devicetree@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-pci@vger.kernel.org, guohanjun@huawei.com,
rjw@rjwysocki.net, shameerali.kolothum.thodi@huawei.com,
eric.auger@redhat.com, iommu@lists.linux-foundation.org,
Jonathan.Cameron@huawei.com, sudeep.holla@arm.com,
bhelgaas@google.com, zhangfei.gao@linaro.org,
vivek.gautam@arm.com, baolu.lu@linux.intel.com,
robin.murphy@arm.com,
Jean-Philippe Brucker <jean-philippe@linaro.org>,
linux-arm-kernel@lists.infradead.org, lenb@kernel.org
Subject: [PATCH v8 0/9] iommu: I/O page faults for SMMUv3
Date: Thu, 12 Nov 2020 13:55:12 +0100 [thread overview]
Message-ID: <20201112125519.3987595-1-jean-philippe@linaro.org> (raw)
Add support for stall and PRI to the SMMUv3 driver, along with a common
I/O Page Fault handler.
These patches were last sent as part of v7 of the larger SVA series [1].
Main changes since v7:
* Dropped CONFIG_IOMMU_PAGE_FAULT, reuse CONFIG_IOMMU_SVA_LIB instead.
* Extracted devicetree support into patch 4.
* Added patch 5 for ACPI support.
* Dropped event queue flush on unbind(). Since device drivers must
complete DMA transactions before calling unbind(), there cannot be any
pending stalled event.
* A few small fixes.
The series depends on "iommu/sva: Add PASID helpers" [2], since it
provides the function to search an mm_struct by PASID.
Has anyone been testing the PRI patches on hardware? I still only have a
software model to test them, so as much as I'd like to cross this off my
list, we could leave out patches 7-9 for now.
[1] https://lore.kernel.org/linux-iommu/20200519175502.2504091-1-jean-philippe@linaro.org/
[2] https://lore.kernel.org/linux-iommu/20201106155048.997886-1-jean-philippe@linaro.org/
Jean-Philippe Brucker (9):
iommu: Add a page fault handler
iommu/arm-smmu-v3: Maintain a SID->device structure
dt-bindings: document stall property for IOMMU masters
of/iommu: Support dma-can-stall property
ACPI/IORT: Enable stall support for platform devices
iommu/arm-smmu-v3: Add stall support for platform devices
PCI/ATS: Add PRI stubs
PCI/ATS: Export PRI functions
iommu/arm-smmu-v3: Add support for PRI
drivers/iommu/Makefile | 1 +
.../devicetree/bindings/iommu/iommu.txt | 18 +
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 69 +-
drivers/iommu/iommu-sva-lib.h | 53 ++
include/linux/iommu.h | 4 +
include/linux/pci-ats.h | 7 +
drivers/acpi/arm64/iort.c | 1 +
.../iommu/arm/arm-smmu-v3/arm-smmu-v3-sva.c | 52 +-
drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 605 +++++++++++++++---
drivers/iommu/io-pgfault.c | 462 +++++++++++++
drivers/iommu/of_iommu.c | 5 +-
drivers/pci/ats.c | 4 +
12 files changed, 1191 insertions(+), 90 deletions(-)
create mode 100644 drivers/iommu/io-pgfault.c
--
2.29.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-11-12 13:03 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-12 12:55 Jean-Philippe Brucker [this message]
2020-11-12 12:55 ` [PATCH v8 0/9] iommu: I/O page faults for SMMUv3 Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` [PATCH v8 1/9] iommu: Add a page fault handler Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` [PATCH v8 2/9] iommu/arm-smmu-v3: Maintain a SID->device structure Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` [PATCH v8 3/9] dt-bindings: document stall property for IOMMU masters Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` [PATCH v8 4/9] of/iommu: Support dma-can-stall property Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-26 18:09 ` Robin Murphy
2020-11-26 18:09 ` Robin Murphy
2020-11-26 18:09 ` Robin Murphy
2020-12-14 12:51 ` Jean-Philippe Brucker
2020-12-14 12:51 ` Jean-Philippe Brucker
2020-12-14 12:51 ` Jean-Philippe Brucker
2020-12-18 6:47 ` Zhangfei Gao
2020-12-18 6:47 ` Zhangfei Gao
2020-12-18 6:47 ` Zhangfei Gao
2020-11-12 12:55 ` [PATCH v8 5/9] ACPI/IORT: Enable stall support for platform devices Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-13 0:41 ` Hanjun Guo
2020-11-13 0:41 ` Hanjun Guo
2020-11-13 0:41 ` Hanjun Guo
2020-11-12 12:55 ` [PATCH v8 6/9] iommu/arm-smmu-v3: Add " Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` [PATCH v8 7/9] PCI/ATS: Add PRI stubs Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` [PATCH v8 8/9] PCI/ATS: Export PRI functions Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` [PATCH v8 9/9] iommu/arm-smmu-v3: Add support for PRI Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-11-12 12:55 ` Jean-Philippe Brucker
2020-12-03 6:52 ` [PATCH v8 0/9] iommu: I/O page faults for SMMUv3 Vivek Gautam
2020-12-03 6:52 ` Vivek Gautam
2020-12-03 6:52 ` Vivek Gautam
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