| /linux/Documentation/devicetree/bindings/pci/ |
| H A D | pci-msi.txt | 2 relationship between PCI devices and MSI controllers.
18 Requester ID. A mechanism is required to associate a device with both the MSI
22 For generic MSI bindings, see
23 Documentation/devicetree/bindings/interrupt-controller/msi.txt.
30 -------------------
32 - msi-map: Maps a Requester ID to an MSI controller and associated
33 msi-specifier data. The property is an arbitrary number of tuples of
34 (rid-base,msi-controller,msi-base,length), where:
36 * rid-base is a single cell describing the first RID matched by the entry.
38 * msi-controller is a single phandle to an MSI controller
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| H A D | xilinx-versal-cpm.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/xilinx-versal-cpm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Bharat Kumar Gogada <bharat.kumar.gogada@amd.com>
13 - $ref: /schemas/pci/pci-host-bridge.yaml#
18 - xlnx,versal-cpm-host-1.00
19 - xlnx,versal-cpm5-host
23 - description: CPM system level control and status registers.
24 - description: Configuration space region and bridge registers.
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| H A D | xlnx,nwl-pcie.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/xlnx,nwl-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thippeswamy Havalige <thippeswamy.havalige@amd.com>
13 - $ref: /schemas/pci/pci-host-bridge.yaml#
14 - $ref: /schemas/interrupt-controller/msi-controller.yaml#
18 const: xlnx,nwl-pcie-2.11
22 - description: PCIe bridge registers location.
23 - description: PCIe Controller registers location.
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| H A D | aardvark-pci.txt | 8 - compatible: Should be "marvell,armada-3700-pcie"
9 - reg: range of registers for the PCIe controller
10 - interrupts: the interrupt line of the PCIe controller
11 - #address-cells: set to <3>
12 - #size-cells: set to <2>
13 - device_type: set to "pci"
14 - ranges: ranges for the PCI memory and I/O regions
15 - #interrupt-cells: set to <1>
16 - msi-controller: indicates that the PCIe controller can itself
17 handle MSI interrupts
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| H A D | brcm,stb-pcie.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/brcm,stb-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jim Quinlan <james.quinlan@broadcom.com>
15 - enum:
16 - brcm,bcm2711-pcie # The Raspberry Pi 4
17 - brcm,bcm4908-pcie
18 - brcm,bcm7211-pcie # Broadcom STB version of RPi4
19 - brcm,bcm7216-pcie # Broadcom 7216 Arm
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| H A D | xgene-pci-msi.txt | 1 * AppliedMicro X-Gene v1 PCIe MSI controller
5 - compatible: should be "apm,xgene1-msi" to identify
6 X-Gene v1 PCIe MSI controller block.
7 - msi-controller: indicates that this is an X-Gene v1 PCIe MSI controller node
8 - reg: physical base address (0x79000000) and length (0x900000) for controller
9 registers. These registers include the MSI termination address and data
10 registers as well as the MSI interrupt status registers.
11 - reg-names: not required
12 - interrupts: A list of 16 interrupt outputs of the controller, starting from
14 - interrupt-names: not required
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| H A D | altr,pcie-root-port.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/altr,pcie-root-port.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Matthew Gerlach <matthew.gerlach@linux.intel.com>
16 - altr,pcie-root-port-1.0
17 - altr,pcie-root-port-2.0
21 - description: TX slave port region
22 - description: Control register access region
23 - description: Hard IP region
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| H A D | layerscape-pcie-gen4.txt | 4 the common properties defined in mobiveil-pcie.txt.
7 - compatible: should contain the platform identifier such as:
8 "fsl,lx2160a-pcie"
9 - reg: base addresses and lengths of the PCIe controller register blocks.
12 - interrupts: A list of interrupt outputs of the controller. Must contain an
13 entry for each entry in the interrupt-names property.
14 - interrupt-names: It could include the following entries:
17 none MSI/MSI-X/INTx mode,but there is interrupt line for aer.
19 none MSI/MSI-X/INTx mode,but there is interrupt line for pme.
20 - dma-coherent: Indicates that the hardware IP block can ensure the coherency
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| H A D | sifive,fu740-pcie.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/sifive,fu740-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
13 Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml.
16 - Paul Walmsley <paul.walmsley@sifive.com>
17 - Greentime Hu <greentime.hu@sifive.com>
20 - $ref: /schemas/pci/snps,dw-pcie.yaml#
24 const: sifive,fu740-pcie
29 reg-names:
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| H A D | nvidia,tegra20-pcie.txt | 4 - compatible: Must be:
5 - "nvidia,tegra20-pcie": for Tegra20
6 - "nvidia,tegra30-pcie": for Tegra30
7 - "nvidia,tegra124-pcie": for Tegra124 and Tegra132
8 - "nvidia,tegra210-pcie": for Tegra210
9 - "nvidia,tegra186-pcie": for Tegra186
10 - power-domains: To ungate power partition by BPMP powergate driver. Must
13 - device_type: Must be "pci"
14 - reg: A list of physical base address and length for each set of controller
15 registers. Must contain an entry for each entry in the reg-names property.
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| H A D | xlnx,xdma-host.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/xlnx,xdma-host.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thippeswamy Havalige <thippeswamy.havalige@amd.com>
13 - $ref: /schemas/pci/pci-host-bridge.yaml#
18 - xlnx,xdma-host-3.00
19 - xlnx,qdma-host-3.00
23 - description: configuration region and XDMA bridge register.
24 - description: QDMA bridge register.
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| H A D | nvidia,tegra194-pcie.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/nvidia,tegra194-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12 - Vidya Sagar <vidyas@nvidia.com>
16 inherits all the common properties defined in snps,dw-pcie.yaml. Some of
20 See nvidia,tegra194-pcie-ep.yaml for details on the Endpoint mode device
26 - nvidia,tegra194-pcie
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| H A D | fsl,imx6q-pcie.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/fsl,imx6q-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Lucas Stach <l.stach@pengutronix.de>
11 - Richard Zhu <hongxing.zhu@nxp.com>
15 and thus inherits all the common properties defined in snps,dw-pcie.yaml.
19 See fsl,imx6q-pcie-ep.yaml for details on the Endpoint mode device tree
25 - fsl,imx6q-pcie
26 - fsl,imx6sx-pcie
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| /linux/drivers/pci/controller/plda/ |
| H A D | pcie-plda-host.c | 1 // SPDX-License-Identifier: GPL-2.0
13 #include <linux/msi.h>
15 #include <linux/pci-ecam.h>
17 #include "pcie-plda.h"
22 struct plda_pcie_rp *pcie = bus->sysdata; in plda_pcie_map_bus()
24 return pcie->config_base + PCIE_ECAM_OFFSET(bus->number, devfn, where); in plda_pcie_map_bus()
32 struct device *dev = port->dev; in plda_handle_msi()
33 struct plda_msi *msi = &port->msi; in plda_handle_msi() local
34 void __iomem *bridge_base_addr = port->bridge_addr; in plda_handle_msi()
46 for_each_set_bit(bit, &status, msi->num_vectors) { in plda_handle_msi()
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| /linux/drivers/pci/controller/mobiveil/ |
| H A D | pcie-mobiveil-host.c | 1 // SPDX-License-Identifier: GPL-2.0
6 * Copyright 2019-2020 NXP
19 #include <linux/msi.h>
25 #include "pcie-mobiveil.h"
37 if ((bus->primary == to_pci_host_bridge(bus->bridge)->busnr) && (PCI_SLOT(devfn) > 0)) in mobiveil_pcie_valid_device()
44 * mobiveil_pcie_map_bus - routine to get the configuration base of either
50 struct mobiveil_pcie *pcie = bus->sysdata; in mobiveil_pcie_map_bus()
51 struct mobiveil_root_port *rp = &pcie->rp; in mobiveil_pcie_map_bus()
59 return pcie->csr_axi_slave_base + where; in mobiveil_pcie_map_bus()
67 value = bus->number << PAB_BUS_SHIFT | in mobiveil_pcie_map_bus()
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| /linux/arch/powerpc/boot/dts/fsl/ |
| H A D | mpc8641si-post.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright 2016 Elettra-Sincrotrone Trieste S.C.p.A.
9 #address-cells = <2>;
10 #size-cells = <1>;
11 compatible = "fsl,mpc8641-localbus", "simple-bus";
16 #address-cells = <1>;
17 #size-cells = <1>;
19 compatible = "fsl,mpc8641-soc", "simple-bus";
20 bus-frequency = <0>;
22 mcm-law@0 {
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| /linux/drivers/irqchip/ |
| H A D | irq-armada-370-xp.c | 1 // SPDX-License-Identifier: GPL-2.0-only
8 * Gregory CLEMENT <gregory.clement@free-electrons.com>
9 * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
31 #include <linux/msi.h>
45 * +---------------+ +---------------+
47 * | per-CPU | | per-CPU |
48 * | mask/unmask | | mask/unmask |
51 * +---------------+ +---------------+
56 * +-------------------+
59 * | mask/unmask |
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| /linux/drivers/pci/controller/ |
| H A D | pcie-xilinx-dma-pl.c | 1 // SPDX-License-Identifier: GPL-2.0-only
13 #include <linux/msi.h>
18 #include "pcie-xilinx-common.h"
46 IMR(MSI) | \
76 /* Number of MSI IRQs */
85 * struct xilinx_pl_dma_variant - PL DMA PCIe variant information
102 * struct pl_dma_pcie - PCIe port information
112 * @msi: MSI information
127 struct xilinx_msi msi; member
135 if (port->variant->version == QDMA) in pcie_read()
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| /linux/drivers/of/ |
| H A D | irq.c | 1 // SPDX-License-Identifier: GPL-2.0+
6 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
8 * Copyright (C) 1996-2001 Cort Dougan
31 * irq_of_parse_and_map - Parse and map an interrupt into linux virq space
33 * @index: Index of the interrupt to map
50 * of_irq_find_parent - Given a device node, find its interrupt parent node
65 if (of_property_read_u32(child, "interrupt-parent", &parent)) { in of_irq_find_parent()
75 } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL); in of_irq_find_parent()
82 * These interrupt controllers abuse interrupt-map for unspeakable
85 * non-sensical interrupt-map that is better left ignored.
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| /linux/kernel/irq/ |
| H A D | msi.c | 1 // SPDX-License-Identifier: GPL-2.0
14 #include <linux/msi.h>
25 * struct msi_device_data - MSI per device data
26 * @properties: MSI properties which are interesting to drivers
27 * @mutex: Mutex protecting the MSI descriptor store
28 * @__domains: Internal data for per device MSI domains
39 * struct msi_ctrl - MSI internal management control structure
44 * than the range due to PCI/multi-MSI.
54 #define MSI_XA_MAX_INDEX (ULONG_MAX - 1)
64 * msi_alloc_desc - Allocate an initialized msi_desc
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| /linux/drivers/cdx/ |
| H A D | cdx_msi.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * AMD CDX bus driver MSI support
5 * Copyright (C) 2022-2023, Advanced Micro Devices, Inc.
14 #include <linux/msi.h>
22 struct cdx_device *cdx_dev = to_cdx_device(msi_desc->dev); in cdx_msi_write_msg()
27 msi_desc->msg = *msg; in cdx_msi_write_msg()
28 cdx_dev->msi_write_pending = true; in cdx_msi_write_msg()
34 struct cdx_device *cdx_dev = to_cdx_device(msi_desc->dev); in cdx_msi_write_irq_lock()
36 mutex_lock(&cdx_dev->irqchip_lock); in cdx_msi_write_irq_lock()
42 struct cdx_device *cdx_dev = to_cdx_device(msi_desc->dev); in cdx_msi_write_irq_unlock()
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| /linux/arch/arm64/boot/dts/apm/ |
| H A D | apm-storm.dtsi | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * dts file for AppliedMicro (APM) X-Gene Storm SOC
9 compatible = "apm,xgene-storm";
10 interrupt-parent = <&gic>;
11 #address-cells = <2>;
12 #size-cells = <2>;
15 #address-cells = <2>;
16 #size-cells = <0>;
22 enable-method = "spin-table";
23 cpu-release-addr = <0x1 0x0000fff8>;
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| /linux/arch/arm/boot/dts/broadcom/ |
| H A D | bcm-nsp.dtsi | 33 #include <dt-bindings/interrupt-controller/arm-gic.h>
34 #include <dt-bindings/interrupt-controller/irq.h>
35 #include <dt-bindings/clock/bcm-nsp.h>
38 #address-cells = <1>;
39 #size-cells = <1>;
42 interrupt-parent = <&gic>;
53 #address-cells = <1>;
54 #size-cells = <0>;
58 compatible = "arm,cortex-a9";
59 next-level-cache = <&L2>;
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| H A D | bcm-hr2.dtsi | 33 #include <dt-bindings/interrupt-controller/arm-gic.h>
34 #include <dt-bindings/interrupt-controller/irq.h>
39 interrupt-parent = <&gic>;
40 #address-cells = <1>;
41 #size-cells = <1>;
44 #address-cells = <1>;
45 #size-cells = <0>;
49 compatible = "arm,cortex-a9";
50 next-level-cache = <&L2>;
56 compatible = "arm,cortex-a9-pmu";
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| /linux/drivers/net/ethernet/mellanox/mlx5/core/ |
| H A D | pci_irq.c | 1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
32 cpumask_var_t mask; member
36 struct msi_map map; member
52 return mlx5_core_ec_vf_vport_base(dev) + func - 1; in mlx5_core_func_to_vport()
56 * mlx5_get_default_msix_vec_count - Get the default number of MSI-X vectors
72 /* Limit maximum number of MSI-X vectors so the default configuration in mlx5_get_default_msix_vec_count()
74 * the number of vectors in a VF without having to first size-down other in mlx5_get_default_msix_vec_count()
81 * mlx5_set_msix_vec_count - Set dynamically allocated MSI-X on the VF
84 * @msix_vec_count: Number of MSI-X vectors to set
102 return -EOPNOTSUPP; in mlx5_set_msix_vec_count()
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