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/openbmc/linux/Documentation/devicetree/bindings/iommu/
H A Dqcom,iommu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/iommu/qcom,iommu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Qualcomm Technologies legacy IOMMU implementations
10 - Konrad Dybcio <konrad.dybcio@linaro.org>
13 Qualcomm "B" family devices which are not compatible with arm-smmu have
14 a similar looking IOMMU, but without access to the global register space
16 to non-secure vs secure interrupt line.
21 - items:
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H A Dsprd,iommu.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/iommu/sprd,iommu.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 title: Unisoc IOMMU and Multi-media MMU
11 - Chunyan Zhang <zhang.lyra@gmail.com>
16 - sprd,iommu-v1
18 "#iommu-cells":
21 Unisoc IOMMUs are all single-master IOMMU devices, therefore no
24 Documentation/devicetree/bindings/iommu/iommu.txt
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H A Darm,smmu.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/iommu/arm,smmu.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Will Deacon <will@kernel.org>
11 - Robin Murphy <Robin.Murphy@arm.com>
23 pattern: "^iommu@[0-9a-f]*"
26 - description: Qcom SoCs implementing "arm,smmu-v2"
28 - enum:
29 - qcom,msm8996-smmu-v2
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/openbmc/linux/drivers/iommu/arm/arm-smmu/
H A Dqcom_iommu.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * IOMMU API for QCOM secure IOMMUs. Somewhat based on arm-smmu.c
13 #include <linux/dma-mapping.h>
17 #include <linux/io-64-nonatomic-hi-lo.h>
18 #include <linux/io-pgtable.h>
19 #include <linux/iommu.h>
33 #include "arm-smmu.h"
47 /* IOMMU core code handle */
48 struct iommu_device iommu; member
69 struct mutex init_mutex; /* Protects iommu pointer */
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/openbmc/linux/drivers/iommu/
H A Dmtk_iommu_v1.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * IOMMU API for MTK architected m4u v1 implementations
5 * Copyright (c) 2015-2016 MediaTek Inc.
8 * Based on driver/iommu/mtk_iommu.c
14 #include <linux/dma-mapping.h>
18 #include <linux/iommu.h>
29 #include <asm/dma-iommu.h>
30 #include <dt-bindings/memory/mtk-memory-port.h>
31 #include <dt-bindings/memory/mt2701-larb-port.h>
76 #define MT2701_M4U_TF_LARB(TF) (6 - (((TF) >> 13) & 0x7))
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H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
2 # The IOVA library may also be used by non-IOMMU_API users
11 bool "IOMMU Hardware Support"
22 menu "Generic IOMMU Pagetable Support"
36 sizes at both stage-1 and stage-2, as well as address spaces
37 up to 48-bits in size.
43 Enable self-tests for LPAE page table allocator. This performs
44 a series of page-table consistency checks during boot.
53 Enable support for the ARM Short-descriptor pagetable format.
54 This supports 32-bit virtual and physical addresses mapped using
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H A Dsprd-iommu.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Unisoc IOMMU driver
11 #include <linux/dma-mapping.h>
13 #include <linux/iommu.h>
52 * struct sprd_iommu_device - high-level sprd IOMMU device representation,
55 * @ver: sprd IOMMU IP version
61 * @iommu: IOMMU core representation
62 * @group: IOMMU group
63 * @eb: gate clock which controls IOMMU access
72 struct iommu_device iommu; member
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/openbmc/qemu/docs/specs/
H A Driscv-iommu.rst1 .. _riscv-iommu:
3 RISC-V IOMMU support for RISC-V machines
6 QEMU implements a RISC-V IOMMU emulation based on the RISC-V IOMMU spec
9 The emulation includes a PCI reference device, riscv-iommu-pci, that QEMU
10 RISC-V boards can use. The 'virt' RISC-V machine is compatible with this
13 riscv-iommu-pci reference device
14 --------------------------------
16 This device implements the RISC-V IOMMU emulation as recommended by the section
17 "Integrating an IOMMU as a PCIe device" of `iommu1.0`_: a PCI device with base
18 class 08h, sub-class 06h and programming interface 00h.
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/openbmc/linux/Documentation/devicetree/bindings/powerpc/fsl/
H A Dpamu.txt5 The PAMU is an I/O MMU that provides device-to-memory access control and
10 - compatible : <string>
11 First entry is a version-specific string, such as
12 "fsl,pamu-v1.0". The second is "fsl,pamu".
13 - ranges : <prop-encoded-array>
18 PAMU v1.0, on an SOC that has five PAMU devices, the size
20 - interrupts : <prop-encoded-array>
25 - #address-cells: <u32>
27 - #size-cells : <u32>
31 - reg : <prop-encoded-array>
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H A Draideng.txt3 RAID Engine nodes are defined to describe on-chip RAID accelerators. Each RAID
11 - compatible: Should contain "fsl,raideng-v1.0" as the value
15 - reg: offset and length of the register set for the device
16 - ranges: standard ranges property specifying the translation
22 compatible = "fsl,raideng-v1.0";
23 #address-cells = <1>;
24 #size-cells = <1>;
30 There must be a sub-node for each job queue present in RAID Engine
31 This node must be a sub-node of the main RAID Engine node
33 - compatible: Should contain "fsl,raideng-v1.0-job-queue" as the value
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/openbmc/linux/arch/arm64/boot/dts/arm/
H A Djuno-base.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 #include "juno-clocks.dtsi"
3 #include "juno-motherboard.dtsi"
11 compatible = "arm,armv7-timer-mem";
13 clock-frequency = <50000000>;
14 #address-cells = <1>;
15 #size-cells = <1>;
19 frame-number = <1>;
31 #mbox-cells = <1>;
33 clock-names = "apb_pclk";
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/openbmc/linux/arch/powerpc/boot/dts/fsl/
H A Dp5020si-post.dtsi4 * Copyright 2011 - 2015 Freescale Semiconductor Inc.
36 compatible = "fsl,bman-fbpr";
37 alloc-ranges = <0 0 0x10000 0>;
41 compatible = "fsl,qman-fqd";
42 alloc-ranges = <0 0 0x10000 0>;
46 compatible = "fsl,qman-pfdr";
47 alloc-ranges = <0 0 0x10000 0>;
51 compatible = "fsl,p5020-elbc", "fsl,elbc", "simple-bus";
53 #address-cells = <2>;
54 #size-cells = <1>;
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H A Dp3041si-post.dtsi4 * Copyright 2011 - 2015 Freescale Semiconductor Inc.
36 compatible = "fsl,bman-fbpr";
37 alloc-ranges = <0 0 0x10 0>;
41 compatible = "fsl,qman-fqd";
42 alloc-ranges = <0 0 0x10 0>;
46 compatible = "fsl,qman-pfdr";
47 alloc-ranges = <0 0 0x10 0>;
51 compatible = "fsl,p3041-elbc", "fsl,elbc", "simple-bus";
53 #address-cells = <2>;
54 #size-cells = <1>;
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H A Dp2041si-post.dtsi4 * Copyright 2011 - 2015 Freescale Semiconductor Inc.
36 compatible = "fsl,bman-fbpr";
37 alloc-ranges = <0 0 0x10 0>;
41 compatible = "fsl,qman-fqd";
42 alloc-ranges = <0 0 0x10 0>;
46 compatible = "fsl,qman-pfdr";
47 alloc-ranges = <0 0 0x10 0>;
51 compatible = "fsl,p2041-elbc", "fsl,elbc", "simple-bus";
53 #address-cells = <2>;
54 #size-cells = <1>;
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H A Dp5040si-post.dtsi4 * Copyright 2012 - 2015 Freescale Semiconductor Inc.
36 compatible = "fsl,bman-fbpr";
37 alloc-ranges = <0 0 0x10000 0>;
41 compatible = "fsl,qman-fqd";
42 alloc-ranges = <0 0 0x10000 0>;
46 compatible = "fsl,qman-pfdr";
47 alloc-ranges = <0 0 0x10000 0>;
51 compatible = "fsl,p5040-elbc", "fsl,elbc", "simple-bus";
53 #address-cells = <2>;
54 #size-cells = <1>;
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H A Dp4080si-post.dtsi4 * Copyright 2011 - 2015 Freescale Semiconductor Inc.
36 compatible = "fsl,bman-fbpr";
37 alloc-ranges = <0 0 0x10 0>;
41 compatible = "fsl,qman-fqd";
42 alloc-ranges = <0 0 0x10 0>;
46 compatible = "fsl,qman-pfdr";
47 alloc-ranges = <0 0 0x10 0>;
51 compatible = "fsl,p4080-elbc", "fsl,elbc", "simple-bus";
53 #address-cells = <2>;
54 #size-cells = <1>;
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/openbmc/linux/arch/arm/boot/dts/qcom/
H A Dqcom-apq8064.dtsi1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/clock/qcom,gcc-msm8960.h>
5 #include <dt-bindings/clock/qcom,lcc-msm8960.h>
6 #include <dt-bindings/reset/qcom,gcc-msm8960.h>
7 #include <dt-bindings/clock/qcom,mmcc-msm8960.h>
8 #include <dt-bindings/clock/qcom,rpmcc.h>
9 #include <dt-bindings/soc/qcom,gsbi.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
11 #include <dt-bindings/interrupt-controller/arm-gic.h>
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/openbmc/linux/arch/arm64/boot/dts/qcom/
H A Dmsm8916.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
6 #include <dt-bindings/arm/coresight-cti-dt.h>
7 #include <dt-bindings/clock/qcom,gcc-msm8916.h>
8 #include <dt-bindings/clock/qcom,rpmcc.h>
9 #include <dt-bindings/interconnect/qcom,msm8916.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/power/qcom-rpmpd.h>
12 #include <dt-bindings/reset/qcom,gcc-msm8916.h>
13 #include <dt-bindings/thermal/thermal.h>
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H A Dmsm8939.dtsi1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
4 * Copyright (c) 2020-2023, Linaro Limited
7 #include <dt-bindings/clock/qcom,gcc-msm8939.h>
8 #include <dt-bindings/clock/qcom,rpmcc.h>
9 #include <dt-bindings/interconnect/qcom,msm8939.h>
10 #include <dt-bindings/interrupt-controller/arm-gic.h>
11 #include <dt-bindings/power/qcom-rpmpd.h>
12 #include <dt-bindings/reset/qcom,gcc-msm8939.h>
13 #include <dt-bindings/thermal/thermal.h>
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H A Dmsm8953.dtsi1 // SPDX-License-Identifier: BSD-3-Clause
4 #include <dt-bindings/clock/qcom,gcc-msm8953.h>
5 #include <dt-bindings/clock/qcom,rpmcc.h>
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/interrupt-controller/arm-gic.h>
8 #include <dt-bindings/power/qcom-rpmpd.h>
9 #include <dt-bindings/soc/qcom,apr.h>
10 #include <dt-bindings/sound/qcom,q6afe.h>
11 #include <dt-bindings/sound/qcom,q6asm.h>
12 #include <dt-bindings/thermal/thermal.h>
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/openbmc/linux/drivers/iommu/amd/
H A Dinit.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2007-2010 Advanced Micro Devices, Inc.
8 #define pr_fmt(fmt) "AMD-Vi: " fmt
20 #include <linux/amd-iommu.h>
25 #include <asm/pci-direct.h>
26 #include <asm/iommu.h>
99 * structure describing one IOMMU in the ACPI table. Typically followed by one
119 * A device entry describing which devices a specific IOMMU translates and
137 * An AMD IOMMU memory definition structure. It defines things like exclusion
186 /* IOMMUs have a non-present cache? */
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/openbmc/qemu/hw/riscv/
H A Driscv-iommu.c2 * QEMU emulation of an RISC-V IOMMU
4 * Copyright (C) 2021-2023, Rivos Inc.
23 #include "hw/qdev-properties.h"
30 #include "riscv-iommu.h"
31 #include "riscv-iommu-bits.h"
48 RISCVIOMMUState *iommu; /* Managing IOMMU device state */ member
50 bool notifier; /* IOMMU unmap notifier enabled */
60 uint64_t satp; /* S-Stage address translation and protection */
61 uint64_t gatp; /* G-Stage address translation and protection */
62 uint64_t msi_addr_mask; /* MSI filtering - address mask */
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/openbmc/qemu/docs/system/arm/
H A Dvirt.rst8 idiosyncrasies and limitations of a particular bit of real-world
16 ``virt-5.0`` machine type will behave like the ``virt`` machine from
17 the QEMU 5.0 release, and migration should work between ``virt-5.0``
18 of the 5.0 release and ``virt-5.0`` of the 5.1 release. Migration
20 the non-versioned ``virt`` machine type.
27 - PCI/PCIe devices
28 - Flash memory
29 - Either one or two PL011 UARTs for the NonSecure World
30 - An RTC
31 - The fw_cfg device that allows a guest to obtain data from QEMU
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/openbmc/linux/arch/arm/boot/dts/mediatek/
H A Dmt2701.dtsi1 // SPDX-License-Identifier: GPL-2.0
8 #include <dt-bindings/clock/mt2701-clk.h>
9 #include <dt-bindings/phy/phy.h>
10 #include <dt-bindings/power/mt2701-power.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/interrupt-controller/arm-gic.h>
13 #include <dt-bindings/memory/mt2701-larb-port.h>
14 #include <dt-bindings/reset/mt2701-resets.h>
15 #include "mt2701-pinfunc.h"
18 #address-cells = <2>;
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/openbmc/linux/drivers/vfio/
H A Dvfio_iommu_type1.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * VFIO: IOMMU DMA mapping support for Type1 IOMMU
12 * We arbitrarily define a Type1 IOMMU as one matching the below code.
13 * It could be called the x86 IOMMU as it's designed for AMD-Vi & Intel
14 * VT-d, but that makes it harder to re-use as theoretically anyone
15 * implementing a similar IOMMU could make use of this. We expect the
16 * IOMMU to support the IOMMU API and have few to no restrictions around
17 * the IOVA range that can be mapped. The Type1 IOMMU is currently
19 * userspace pages pinned into memory. We also assume devices and IOMMU
20 * domains are PCI based as the IOMMU API is still centered around a
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