| /linux/drivers/scsi/fnic/ |
| H A D | fcpio.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
13 * communication by the host driver to the fcp firmware.
17 * Exchange and sequence id space allocated to the host driver
105 * The header command tag. All host requests will use the "tag" field
107 * a host request, it will copy the tag field into the response.
109 * The only firmware requests that will use the rx_id/ox_id fields instead
111 * requests. These two requests do not have corresponding host requests
127 tag->u.req_id = id; in fcpio_tag_id_enc()
133 *id = tag->u.req_id; in fcpio_tag_id_dec()
139 tag->u.ex_id.rx_id = rx_id; in fcpio_tag_exid_enc()
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| /linux/drivers/misc/mei/ |
| H A D | hw-me-regs.h | 1 /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
3 * Copyright (c) 2003-2022, Intel Corporation. All rights reserved.
53 #define MEI_DEV_ID_LPT_W 0x8D3A /* Lynx Point - Wellsburg */
129 /* Host Firmware Status Registers in PCI Config Space */
135 # define PCI_CFG_HFS_2_PM_CMOFF_TO_CMX_ERROR 0x1000000 /* CMoff->CMx wake after an error */
149 /* H_CB_WW - Host Circular Buffer (CB) Write Window register */
151 /* H_CSR - Host Control Status register */
153 /* ME_CB_RW - ME Circular Buffer Read Window register (read only) */
155 /* ME_CSR_HA - ME Control Status Host Access register (read only) */
157 /* H_HGC_CSR - PGI register */
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| /linux/drivers/usb/cdns3/ |
| H A D | Kconfig | 8 dual-role controller.
9 It supports: dual-role switch, Host-only, and Peripheral-only.
17 tristate "Cadence USB3 Dual-Role Controller"
20 Say Y here if your system has a Cadence USB3 dual-role controller.
21 It supports: dual-role switch, Host-only, and Peripheral-only.
34 Cadence USBSS-DEV driver.
40 bool "Cadence USB3 host controller"
44 Say Y here to enable host controller functionality of the
47 Host controller is compliant with XHCI so it will use
51 tristate "Cadence USB3 support on PCIe-based platforms"
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| /linux/tools/perf/Documentation/ |
| H A D | perf-kvm.txt | 1 perf-kvm(1)
5 ----
6 perf-kvm - Tool to trace/measure kvm guest os
9 --------
11 'perf kvm' [--host] [--guest] [--guestmount=<path>
12 [--guestkallsyms=<path> --guestmodules=<path> | --guestvmlinux=<path>]]
13 {top|record|report|diff|buildid-list} [<options>]
14 'perf kvm' [--host] [--guest] [--guestkallsyms=<path> --guestmodules=<path>
15 | --guestvmlinux=<path>] {top|record|report|diff|buildid-list|stat} [<options>]
19 -----------
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| /linux/drivers/net/ieee802154/ |
| H A D | atusb.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * atusb.h - Definitions shared between kernel and ATUSB firmware
11 * Firmware: ben-wpan/atusb/fw/include/atusb/atusb.h
19 /* -- - - */
30 ATUSB_TEST, /* atusb-sil only */
52 ATUSB_HW_TYPE_100813, /* 2010-08-13 */
53 ATUSB_HW_TYPE_101216, /* 2010-12-16 */
54 ATUSB_HW_TYPE_110131, /* 2011-01-31, ATmega32U2-based */
62 * ->host ATUSB_ID - - 3
63 * ->host ATUSB_BUILD - - #bytes
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| /linux/Documentation/driver-api/cxl/linux/ |
| H A D | cxl-driver.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 The :code:`cxl-cli` library, maintained as part of the NDTCL project, may
19 * cxl_core - fundamental init interface and core object creation
20 * cxl_port - initializes root and provides port enumeration interface.
21 * cxl_acpi - initializes root decoders and interacts with ACPI data.
22 * cxl_p/mem - initializes memory devices
23 * cxl_pci - uses cxl_port to enumerate the actual fabric hierarchy.
27 Here is an example from a single-socket system with 4 host bridges. Two host
38 .. kernel-render:: DOT
39 :alt: Digraph of CXL fabric describing host-bridge interleaving
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| /linux/drivers/misc/vmw_vmci/ |
| H A D | vmci_route.c | 1 // SPDX-License-Identifier: GPL-2.0-only
31 * "from_guest" is only ever set to true by in vmci_route()
38 * not touch a non-existent device. in vmci_route()
42 if (VMCI_INVALID_ID == dst->context) in vmci_route()
46 if (VMCI_HYPERVISOR_CONTEXT_ID == dst->context) { in vmci_route()
63 /* And we cannot send if the source is the host context. */ in vmci_route()
64 if (VMCI_HOST_CONTEXT_ID == src->context) in vmci_route()
70 * However, if they passed only an invalid context, in vmci_route()
75 if (VMCI_INVALID_ID == src->context && in vmci_route()
76 VMCI_INVALID_ID != src->resource) in vmci_route()
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| /linux/Documentation/devicetree/bindings/display/ |
| H A D | mipi-dsi-bus.txt | 5 communication between a host and up to four peripherals. This document will
8 This document describes DSI bus-specific properties only or defines existing
11 Each DSI host provides a DSI bus. The DSI host controller's node contains a
15 The following assumes that only a single peripheral is connected to a DSI
16 host. Experience shows that this is true for the large majority of setups.
18 DSI host
22 a DSI host, the following properties apply to a node representing a DSI host.
25 - #address-cells: The number of cells required to represent an address on the
26 bus. DSI peripherals are addressed using a 2-bit virtual channel number, so
29 - #size-cells: Should be 0. There are cases where it makes sense to use a
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| /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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| /linux/drivers/mmc/host/ |
| H A D | sdhci-pltfm.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * sdhci-pltfm.c Support for SDHCI platform devices
16 * Inspired by sdhci-pci.c, by Pierre Ossman
25 #include "sdhci-pltfm.h"
27 unsigned int sdhci_pltfm_clk_get_max_clock(struct sdhci_host *host) in sdhci_pltfm_clk_get_max_clock() argument
29 struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); in sdhci_pltfm_clk_get_max_clock()
31 return clk_get_rate(pltfm_host->clk); in sdhci_pltfm_clk_get_max_clock()
44 if (device_property_present(dev, "sdhci,wp-inverted") || in sdhci_wp_inverted()
45 device_property_present(dev, "wp-inverted")) in sdhci_wp_inverted()
48 /* Old device trees don't have the wp-inverted property. */ in sdhci_wp_inverted()
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|
| H A D | litex_mmc.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2019-2020 Antmicro <contact@antmicro.com>
6 * Copyright (C) 2019-2020 Kamil Rakoczy <krakoczy@antmicro.com>
7 * Copyright (C) 2019-2020 Maciej Dudek <mdudek@internships.antmicro.com>
9 * Copyright (C) 2020-2022 Gabriel Somlo <gsomlo@gmail.com>
15 #include <linux/dma-mapping.h>
23 #include <linux/mmc/host.h>
114 return -EIO; in litex_mmc_sdcard_wait_done()
116 return -ETIMEDOUT; in litex_mmc_sdcard_wait_done()
118 return -EILSEQ; in litex_mmc_sdcard_wait_done()
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| H A D | pxamci.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/drivers/mmc/host/pxa.c - PXA MMCI driver
8 * - No way to clear interrupts.
9 * - Have to turn off the clock whenever we touch the device.
10 * - Doesn't tell you how many data blocks were transferred.
23 #include <linux/dma-mapping.h>
26 #include <linux/mmc/host.h>
27 #include <linux/mmc/slot-gpio.h>
37 #include <linux/platform_data/mmc-pxamci.h>
41 #define DRIVER_NAME "pxa2xx-mci"
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|
| H A D | cavium.c | 9 * Copyright (C) 2012-2017 Cavium Inc.
18 #include <linux/dma-direction.h>
19 #include <linux/dma-mapping.h>
23 #include <linux/mmc/slot-gpio.h>
44 * The Cavium MMC host hardware assumes that all commands have fixed
46 * being used. However, non-MMC devices like SD use command and
47 * response types that are unexpected by the host hardware.
128 cr = cvm_mmc_cr_types + (cmd->opcode & 0x3f); in cvm_mmc_get_cr_mods()
129 hardware_ctype = cr->ctype; in cvm_mmc_get_cr_mods()
130 hardware_rtype = cr->rtype; in cvm_mmc_get_cr_mods()
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|
| H A D | dw_mmc.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
14 #include <linux/dma-mapping.h>
31 #include <linux/mmc/host.h>
38 #include <linux/mmc/slot-gpio.h>
73 ((d)->des2 = ((d)->des2 & cpu_to_le32(0x03ffe000)) | \
78 u32 des4; /* Lower 32-bits of Buffer Address Pointer 1*/
79 u32 des5; /* Upper 32-bits of Buffer Address Pointer 1*/
81 u32 des6; /* Lower 32-bits of Next Descriptor Address */
82 u32 des7; /* Upper 32-bits of Next Descriptor Address */
97 ((d)->des1 = ((d)->des1 & cpu_to_le32(0x03ffe000)) | (cpu_to_le32((s) & 0x1fff)))
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| H A D | usdhi6rol0.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2013-2014 Renesas Electronics Europe Ltd.
10 #include <linux/dma-mapping.h>
16 #include <linux/mmc/host.h>
169 size_t offset; /* offset within a page, including sg->offset */
179 /* Multiple block requests only */
209 static void usdhi6_write(struct usdhi6_host *host, u32 reg, u32 data) in usdhi6_write() argument
211 iowrite32(data, host->base + reg); in usdhi6_write()
212 dev_vdbg(mmc_dev(host->mmc), "%s(0x%p + 0x%x) = 0x%x\n", __func__, in usdhi6_write()
213 host->base, reg, data); in usdhi6_write()
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| H A D | sdhci-iproc.c | 1 // SPDX-License-Identifier: GPL-2.0-only
11 #include <linux/mmc/host.h>
14 #include "sdhci-pltfm.h"
34 static inline u32 sdhci_iproc_readl(struct sdhci_host *host, int reg) in sdhci_iproc_readl() argument
36 u32 val = readl(host->ioaddr + reg); in sdhci_iproc_readl()
39 mmc_hostname(host->mmc), reg, val); in sdhci_iproc_readl()
43 static u16 sdhci_iproc_readw(struct sdhci_host *host, int reg) in sdhci_iproc_readw() argument
45 struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); in sdhci_iproc_readw()
50 if ((reg == SDHCI_TRANSFER_MODE) && iproc_host->is_cmd_shadowed) { in sdhci_iproc_readw()
52 val = iproc_host->shadow_cmd; in sdhci_iproc_readw()
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| /linux/drivers/mmc/core/ |
| H A D | sd_uhs2.c | 1 // SPDX-License-Identifier: GPL-2.0-only
21 * Support for SD UHS-II cards
26 #include <linux/mmc/host.h>
45 struct mmc_host *host; member
49 static int sd_uhs2_power_up(struct mmc_host *host) in sd_uhs2_power_up() argument
51 if (host->ios.power_mode == MMC_POWER_ON) in sd_uhs2_power_up()
54 host->ios.vdd = fls(host->ocr_avail) - 1; in sd_uhs2_power_up()
55 host->ios.clock = host->f_init; in sd_uhs2_power_up()
56 host->ios.timing = MMC_TIMING_UHS2_SPEED_A; in sd_uhs2_power_up()
57 host->ios.power_mode = MMC_POWER_ON; in sd_uhs2_power_up()
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| H A D | queue.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright 2006-2007 Pierre Ossman
11 #include <linux/dma-mapping.h>
12 #include <linux/backing-dev.h>
15 #include <linux/mmc/host.h>
22 #include "host.h"
28 /* Allow only 1 DCMD at a time */ in mmc_cqe_dcmd_busy()
29 return mq->in_flight[MMC_ISSUE_DCMD]; in mmc_cqe_dcmd_busy()
34 if ((mq->cqe_busy & MMC_CQE_DCMD_BUSY) && !mmc_cqe_dcmd_busy(mq)) in mmc_cqe_check_busy()
35 mq->cqe_busy &= ~MMC_CQE_DCMD_BUSY; in mmc_cqe_check_busy()
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| /linux/Documentation/driver-api/usb/ |
| H A D | gadget.rst | 11 This document presents a Linux-USB "Gadget" kernel mode API, for use
17 - Supports USB 2.0, for high speed devices which can stream data at
20 - Handles devices with dozens of endpoints just as well as ones with
21 just two fixed-function ones. Gadget drivers can be written so
24 - Flexible enough to expose more complex USB device capabilities such
28 - USB "On-The-Go" (OTG) support, in conjunction with updates to the
29 Linux-USB host side.
31 - Sharing data structures and API models with the Linux-USB host side
32 API. This helps the OTG support, and looks forward to more-symmetric
33 frameworks (where the same I/O model is used by both host and device
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| /linux/drivers/usb/isp1760/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
8 Say Y or M here if your system as an ISP1760/1763 USB host controller
9 or an ISP1761 USB dual-role controller.
12 This USB controller is usually attached to a non-DMA-Master
35 bool "Host only mode"
39 Select this if you want to use the ISP1760 in host mode only. The
43 bool "Gadget only mode"
47 Select this if you want to use the ISP1760 in peripheral mode only.
48 The host function will be disabled.
57 Select this if you want to use the ISP1760 in both host and
|
| /linux/drivers/hv/ |
| H A D | ring_buffer.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 * When we write to the ring buffer, check if the host needs to
32 * 1. The host guarantees that while it is draining the
37 * 2. The host guarantees that it will completely drain
40 * interrupt_mask and re-check to see if new data has
46 * the interrupt. The host expects interrupts only when the ring
47 * transitions from empty to non-empty (or full to non full on the guest
48 * to host ring).
50 * host logic is fixed.
55 struct hv_ring_buffer_info *rbi = &channel->outbound; in hv_signal_on_write()
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| /linux/drivers/spi/ |
| H A D | spi-ep93xx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (C) 2010-2011 Mika Westerberg
7 * Explicit FIFO handling code was inspired by amba-pl022 driver.
9 * Chip select support using other than built-in GPIOs by H. Hartley Sweeten.
21 #include <linux/dma-direction.h>
22 #include <linux/dma-mapping.h>
69 * struct ep93xx_spi - EP93xx SPI controller structure
75 * @fifo_level: how full is FIFO (%0..%SPI_FIFO_SIZE - %1). Receiving one
81 * @zeropage: dummy page used as RX buffer when only TX buffer is passed in by
99 #define bits_per_word_to_dss(bpw) ((bpw) - 1)
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| H A D | spi-mt7621.c | 1 // SPDX-License-Identifier: GPL-2.0
3 // spi-mt7621.c -- MediaTek MT7621 SPI controller driver
6 // Copyright (C) 2011-2013 Gabor Juhos <juhosg@openwrt.org>
7 // Copyright (C) 2014-2015 Felix Fietkau <nbd@nbd.name>
9 // Some parts are based on spi-orion.c:
11 // Copyright (C) 2007-2008 Marvell Ltd.
23 #define DRIVER_NAME "spi-mt7621"
58 struct spi_controller *host; member
67 return spi_controller_get_devdata(spi->controller); in spidev_to_mt7621_spi()
72 return ioread32(rs->base + reg); in mt7621_spi_read()
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| /linux/drivers/net/ethernet/sfc/ |
| H A D | filter.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * Copyright 2005-2013 Solarflare Communications Inc.
16 * enum efx_filter_match_flags - Flags for hardware filter match type
17 * @EFX_FILTER_MATCH_REM_HOST: Match by remote IP host address
18 * @EFX_FILTER_MATCH_LOC_HOST: Match by local IP host address
23 * @EFX_FILTER_MATCH_ETHER_TYPE: Match by Ether-type
31 * Only some combinations are supported, depending on NIC type:
33 * - Huntington supports filter matching controlled by firmware, potentially
34 * using {TCP,UDP}/IPv{4,6} 4-tuple or local 2-tuple, local MAC or I/G bit,
53 * enum efx_filter_priority - priority of a hardware filter specification
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| /linux/drivers/usb/serial/ |
| H A D | keyspan_usa49msg.h | 1 /* SPDX-License-Identifier: BSD-3-Clause */
5 Copyright (C) 1998-2000 InnoSys Incorporated. All Rights Reserved
6 This file is available under a BSD-style copyright
19 Copyright (C) 1998-2000 InnoSys Incorporated. All Rights Reserved
21 This file is available under a BSD-style copyright
44 USB OUT (host -> USAxx, transmit) messages contain a
52 USB IN (USAxx -> host, receive) messages begin with a status
84 only appear in (b) format messages.
85 (2) For the host to determine the exact point at which the
105 2000mar08 clone from usa26msg.h -> usa49msg.h
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