| /openbmc/linux/drivers/net/ethernet/synopsys/ |
| H A D | dwc-xlgmac.h | 5 * This program is dual-licensed; you may select either version 2 of
21 #include <linux/dma-mapping.h>
29 #define XLGMAC_DRV_NAME "dwc-xlgmac"
33 /* Descriptor related parameters */
47 #define XLGMAC_TX_MAX_BUF_SIZE (0x3fff & ~(64 - 1))
97 ((_ring)->desc_data_head + \
98 ((idx) & ((_ring)->dma_desc_count - 1))); \
104 ((var) & GENMASK(_pos + _len - 1, _pos)) >> (_pos); \
111 ((_var) & GENMASK(_pos + _len - 1, _pos)) >> (_pos); \
119 _val = (_val << _pos) & GENMASK(_pos + _len - 1, _pos); \
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| /openbmc/pldm/oem/ibm/libpldmresponder/ |
| H A D | file_io_by_type.hpp | 24 * @param[in] offset - offset to read/write
25 * @param[in] length - length to be read/write mentioned by Host
26 * @param[in] address - DMA address
27 * @param[in] oemPlatformHandler - oem handler for PLDM platform related
38 * @param[in] offset - offset to read
39 * @param[in] length - length to be read mentioned by Host
40 * @param[in] address - DMA address
41 * @param[in] oemPlatformHandler - oem handler for PLDM platform related
50 * @param[in] offset - offset to read
51 * @param[in/out] length - length to be read
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| /openbmc/linux/arch/sh/include/mach-dreamcast/mach/ |
| H A D | sysasic.h | 1 /* SPDX-License-Identifier: GPL-2.0
3 * include/asm-sh/dreamcast/sysasic.h
5 * Definitions for the Dreamcast System ASIC and related peripherals.
8 * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org>
17 /* Hardware events -
29 #define HW_EVENT_MAPLE_DMA (HW_EVENT_IRQ_BASE + 12) /* Maple DMA complete */
30 #define HW_EVENT_GDROM_DMA (HW_EVENT_IRQ_BASE + 14) /* GD-ROM DMA complete */
31 #define HW_EVENT_G2_DMA (HW_EVENT_IRQ_BASE + 15) /* G2 DMA complete */
32 #define HW_EVENT_PVR2_DMA (HW_EVENT_IRQ_BASE + 19) /* PVR2 DMA complete */
35 #define HW_EVENT_GDROM_CMD (HW_EVENT_IRQ_BASE + 32) /* GD-ROM cmd. complete */
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| /openbmc/linux/Documentation/trace/ |
| H A D | hisi-ptt.rst | 1 .. SPDX-License-Identifier: GPL-2.0
23 +--------------Core 0-------+
25 | | [Root Port]---[Endpoint]
26 | | [Root Port]---[Endpoint]
27 | | [Root Port]---[Endpoint]
28 Root Complex |------Core 1-------+
30 | | [Root Port]---[ Switch ]---[Endpoint]
31 | | [Root Port]---[Endpoint] `-[Endpoint]
32 | | [Root Port]---[Endpoint]
33 +---------------------------+
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| /openbmc/linux/drivers/net/ethernet/amd/xgbe/ |
| H A D | xgbe.h | 9 * Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
59 * Copyright (c) 2014-2016 Advanced Micro Devices, Inc.
120 #include <linux/dma-mapping.h>
137 #define XGBE_DRV_NAME "amd-xgbe"
140 /* Descriptor related defines */
151 #define XGBE_TX_MAX_BUF_SIZE (0x3fff & ~(64 - 1))
158 * - Maximum number of SKB frags
159 * - Maximum descriptors for contiguous TSO/GSO packet
160 * - Possible context descriptor
161 * - Possible TSO header descriptor
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| /openbmc/linux/drivers/crypto/ccp/ |
| H A D | ccp-dev.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
19 #include <linux/dma-direction.h>
27 #include "sp-dev.h"
63 /* ------------------------ CCP Version 5 Specifics ------------------------ */
103 #define QUEUE_SIZE_VAL ((ffs(COMMANDS_PER_QUEUE) - 2) & \
105 #define Q_PTR_MASK (2 << (QUEUE_SIZE_VAL + 5) - 1)
125 /* ------------------------ CCP Version 3 Specifics ------------------------ */
133 /****** REQ1 Related Values ******/
141 /* AES Related Values */
147 /* XTS-AES Related Values */
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| /openbmc/linux/drivers/net/ethernet/ti/icssg/ |
| H A D | icssg_prueth.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Copyright (C) 2018-2022 Texas Instruments Incorporated - https://www.ti.com/
31 #include <linux/dma-mapping.h>
32 #include <linux/dma/ti-cppi5.h>
33 #include <linux/dma/k3-udma-glue.h>
41 #define PRUETH_MAX_MTU (2000 - ETH_HLEN - ETH_FCS_LEN)
53 /* Number of ICSSG related stats */
56 #define ICSSG_NUM_ETHTOOL_STATS (ICSSG_NUM_STATS - ICSSG_NUM_STANDARD_STATS)
121 /* There are 4 Tx DMA channels, but the highest priority is CH3 (thread 3)
149 /* DMA related */
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| /openbmc/linux/arch/x86/kernel/ |
| H A D | i8237.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * 8237A DMA controller suspend functions.
12 #include <asm/dma.h>
17 * 8237A DMA controller (used for ISA and LPC).
18 * Allocation is handled in kernel/dma.c and normal usage is
19 * in asm/dma.h.
34 /* DMA count is a bit weird so this is not 0 */ in i8237A_resume()
38 /* Enable cascade DMA or channel 0-3 won't work */ in i8237A_resume()
51 * From SKL PCH onwards, the legacy DMA device is removed in which the in i8237A_init_ops()
52 * I/O ports (81h-83h, 87h, 89h-8Bh, 8Fh) related to it are removed in i8237A_init_ops()
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| /openbmc/linux/drivers/usb/gadget/udc/cdns2/ |
| H A D | cdns2-gadget.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * USBHS-DEV device controller driver header file
14 #include <linux/dma-direction.h>
22 * struct cdns2_ep0_regs - endpoint 0 related registers.
45 /* EP0CS - bitmasks. */
59 /* EP0FIFO - bitmasks. */
70 * struct cdns2_epx_base - base endpoint registers.
87 /* rxcon/txcon - endpoint control register bitmasks. */
88 /* Endpoint buffering: 0 - single buffering ... 3 - quad buffering. */
106 /* rxcs/txcs - endpoint control and status bitmasks. */
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| /openbmc/linux/include/uapi/linux/ |
| H A D | fpga-dfl.h | 1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
5 * Copyright (C) 2017-2018 Intel Corporation, Inc.
38 * DFL_FPGA_GET_API_VERSION - _IO(DFL_FPGA_MAGIC, DFL_FPGA_BASE + 0)
47 * DFL_FPGA_CHECK_EXTENSION - _IO(DFL_FPGA_MAGIC, DFL_FPGA_BASE + 1)
58 * DFL_FPGA_PORT_RESET - _IO(DFL_FPGA_MAGIC, DFL_PORT_BASE + 0)
61 * Userspace can do Port reset at any time, e.g. during DMA or PR. But
63 * (e.g. DMA or PR operation failure) and be recoverable from the failure.
64 * Return: 0 on success, -errno of failure
70 * DFL_FPGA_PORT_GET_INFO - _IOR(DFL_FPGA_MAGIC, DFL_PORT_BASE + 1,
75 * Return: 0 on success, -errno on failure.
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| /openbmc/linux/Documentation/devicetree/bindings/sound/ |
| H A D | fsl,esai.txt | 3 The Enhanced Serial Audio Interface (ESAI) provides a full-duplex serial port
10 - compatible : Compatible list, should contain one of the following
12 "fsl,imx35-esai",
13 "fsl,vf610-esai",
14 "fsl,imx6ull-esai",
15 "fsl,imx8qm-esai",
17 - reg : Offset and length of the register set for the device.
19 - interrupts : Contains the spdif interrupt.
21 - dmas : Generic dma devicetree binding as described in
22 Documentation/devicetree/bindings/dma/dma.txt.
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| /openbmc/linux/drivers/staging/media/deprecated/atmel/ |
| H A D | atmel-isc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (C) 2016-2019 Microchip Technology, Inc.
13 #include <linux/clk-provider.h>
16 #include <media/v4l2-ctrls.h>
17 #include <media/v4l2-device.h>
18 #include <media/videobuf2-dma-contig.h>
57 * struct isc_format - ISC media bus format information
97 * struct fmt_config - ISC format configuration and internal pipeline
109 * @dcfg_imode: Configuration of the input of the DMA module
110 * @dctrl_dview: Configuration of the output of the DMA module
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| /openbmc/linux/Documentation/admin-guide/blockdev/ |
| H A D | floppy.rst | 19 Example: If your kernel is called linux-2.6.9, type the following line
22 linux-2.6.9 floppy=thinkpad
25 of linux-2.6.9::
29 Several floppy related options may be given, example::
31 linux-2.6.9 floppy=daring floppy=two_fdc
59 The floppy driver related options are:
91 Tells the floppy driver not to use Dma for data transfers.
93 DMA channel for the floppy driver. This option is also useful
94 if you frequently get "Unable to allocate DMA memory" messages.
95 Indeed, dma memory needs to be continuous in physical memory,
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| /openbmc/linux/drivers/media/platform/samsung/s5p-mfc/ |
| H A D | s5p_mfc_opr.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/media/platform/samsung/s5p-mfc/s5p_mfc_opr.c
5 * Samsung MFC (Multi Function Codec - FIMV) driver
6 * This file contains hw related functions.
23 dev->warn_start = S5P_FIMV_ERR_WARNINGS_START_V6; in s5p_mfc_init_hw_ops()
26 dev->warn_start = S5P_FIMV_ERR_WARNINGS_START; in s5p_mfc_init_hw_ops()
28 dev->mfc_ops = s5p_mfc_ops; in s5p_mfc_init_hw_ops()
34 dev->mfc_regs = s5p_mfc_init_regs_v6_plus(dev); in s5p_mfc_init_regs()
40 unsigned int bits = dev->mem_size >> PAGE_SHIFT; in s5p_mfc_alloc_priv_buf()
41 unsigned int count = b->size >> PAGE_SHIFT; in s5p_mfc_alloc_priv_buf()
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| /openbmc/linux/drivers/media/platform/microchip/ |
| H A D | microchip-isc.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (C) 2016-2019 Microchip Technology, Inc.
13 #include <linux/clk-provider.h>
16 #include <media/v4l2-ctrls.h>
17 #include <media/v4l2-device.h>
18 #include <media/videobuf2-dma-contig.h>
57 * struct isc_format - ISC media bus format information
98 * struct fmt_config - ISC format configuration and internal pipeline
110 * @dcfg_imode: Configuration of the input of the DMA module
111 * @dctrl_dview: Configuration of the output of the DMA module
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| /openbmc/linux/Documentation/core-api/ |
| H A D | index.rst | 12 massive grab-bag of kerneldoc info left over from the docbook days; it
19 kernel-api
22 printk-basics
23 printk-formats
24 printk-index
25 symbol-namespaces
26 asm-annotations
28 Data structures and low-level utilities
42 circular-buffers
44 generic-radix-tree
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| H A D | pin_user_pages.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 pin_user_pages() and related calls
35 In other words, use pin_user_pages*() for DMA-pinned pages, and
54 flags the caller provides. The caller is required to pass in a non-null struct
72 --------
79 but the caller passed in a non-null struct pages* array, then the function
84 --------
89 Tracking dma-pinned pages
92 Some of the key design constraints, and solutions, for tracking dma-pinned
98 * False positives (reporting that a page is dma-pinned, when in fact it is not)
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| /openbmc/linux/Documentation/driver-api/ |
| H A D | xillybus.rst | 10 - Introduction
11 -- Background
12 -- Xillybus Overview
14 - Usage
15 -- User interface
16 -- Synchronization
17 -- Seekable pipes
19 - Internals
20 -- Source code organization
21 -- Pipe attributes
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| /openbmc/linux/drivers/ntb/hw/idt/ |
| H A D | ntb_hw_idt.h | 7 * Copyright (C) 2016-2018 T-Platforms JSC All Rights Reserved.
36 * IDT PCIe-switch NTB Linux driver
39 * Serge Semin <fancer.lancer@gmail.com>, <Sergey.Semin@t-platforms.ru>
55 * the supported IDT PCIe-switches
66 * IDT PCIe-switches device IDs
78 * NT-function Configuration Space registers
79 * NOTE 1) The IDT PCIe-switch internal data is little-endian
83 * with byte-enables corresponding to their native size or
86 * So to simplify the driver code, there is only DWORD-sized read/write
107 /* IDT Proprietary NT-port-specific registers */
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| /openbmc/linux/drivers/staging/media/atomisp/pci/ |
| H A D | ia_css_acc_types.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
51 IA_CSS_ACC_STANDALONE, /** Stand-alone acceleration */
148 /* DPC related binary info */
203 * support features, dma channels, uds features, etc.
218 struct ia_css_binary_dpc_info dpc_bnr; /** DPC related binary info */
224 /* MW: Packing (related) bools in an integer ?? */
256 /* DMA channel ID: [0,...,HIVE_ISP_NUM_DMA_CHANNELS> */
269 } dma; member
274 * support features, dma channels, uds features, etc.
304 u32 dma_cmd_list; /** Dma command list sent by CSS */
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| /openbmc/linux/Documentation/devicetree/bindings/net/ |
| H A D | xlnx,axi-ethernet.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/net/xlnx,axi-ethernet.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
17 sent and received through means of an AXI DMA controller. This driver
18 includes the DMA driver code, so this driver is incompatible with AXI DMA
22 - Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
27 - xlnx,axi-ethernet-1.00.a
28 - xlnx,axi-ethernet-1.01.a
29 - xlnx,axi-ethernet-2.01.a
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| /openbmc/linux/drivers/net/ipa/ |
| H A D | ipa_table.c | 1 // SPDX-License-Identifier: GPL-2.0
3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
4 * Copyright (C) 2018-2023 Linaro Ltd.
15 #include <linux/dma-mapping.h>
30 * The IPA has tables defined in its local (IPA-resident) memory that define
32 * endian 64-bit "slot" that holds the address of a rule definition. (The
33 * size of these slots is 64 bits regardless of the host DMA address size.)
41 * an object (such as a route or filter table) in IPA-resident memory must
42 * 128-byte aligned. An object in system memory (such as a route or filter
43 * rule) must be at an 8-byte aligned address. We currently only place
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| /openbmc/linux/drivers/gpu/host1x/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
15 The Tegra host1x module is the DMA engine for register access to
16 Tegra's graphics- and multimedia-related modules. The modules served
|
| /openbmc/linux/Documentation/arch/x86/ |
| H A D | iommu.rst | 7 - Intel: http://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/vt-dire…
8 - AMD: https://www.amd.com/system/files/TechDocs/48882_IOMMU.pdf
13 -----------
21 - DMAR - Intel DMA Remapping table
22 - DRHD - Intel DMA Remapping Hardware Unit Definition
23 - RMRR - Intel Reserved Memory Region Reporting Structure
24 - IVRS - AMD I/O Virtualization Reporting Structure
25 - IVDB - AMD I/O Virtualization Definition Block
26 - IVHD - AMD I/O Virtualization Hardware Definition
33 reserved in the e820 map. When we turn on DMA translation, DMA to those
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| /openbmc/linux/drivers/staging/media/atomisp/pci/runtime/debug/interface/ |
| H A D | ia_css_debug.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
108 /* Logging macros for non-API functions. These have a lower trace level */
183 /*! @brief Dump dma controller state.
184 * Dumps the dma controller state to tracing output.
195 /*! @brief Dump all related hardware state to the trace output
207 /*! @brief Dump all related binary info data
222 /*! @brief Dump dma isp fifo state
223 * Dumps the dma isp fifo state to tracing output.
228 /*! @brief Dump dma sp fifo state
229 * Dumps the dma sp fifo state to tracing output.
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