| /openbmc/linux/Documentation/gpu/ |
| H A D | komeda-kms.rst | 1 .. SPDX-License-Identifier: GPL-2.0
23 -----
30 ------
39 -------------------
47 --------------------------
52 -----------------------------
57 --------------------------------
62 ------
72 --------
83 - Dual display mode
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| /openbmc/linux/tools/testing/selftests/drivers/net/bonding/ |
| H A D | bond_options.sh | 2 # SPDX-License-Identifier: GPL-2.0
20 ip -n ${s_ns} link set eth0 type bond_slave prio 10
21 [[ $? -ne 0 ]] && skip=0
23 # check if kernel support prio option
24 ip -n ${s_ns} -d link show eth0 | grep -q "prio 10"
25 [[ $? -ne 0 ]] && skip=0
35 ip -n ${s_ns} link add bond1 type bond ns_ip6_target ${g_ip6}
36 [[ $? -ne 0 ]] && skip=0
38 # check if kernel support ns_ip6_target option
39 ip -n ${s_ns} -d link show bond1 | grep -q "ns_ip6_target ${g_ip6}"
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| /openbmc/linux/Documentation/w1/ |
| H A D | w1-netlink.rst | 10 1. Events. They are generated each time a new master or slave device
21 [struct cn_msg] - connector header.
23 [struct w1_netlink_msg] - w1 netlink header.
24 __u8 type - message type.
28 slave add/remove events
35 userspace command for slave device
37 __u8 status - error indication from kernel
38 __u16 len - size of data attached to this header data
40 __u8 id[8]; - slave unique device id
42 __u32 id; - master's id
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| /openbmc/linux/Documentation/networking/dsa/ |
| H A D | configuration.rst | 1 .. SPDX-License-Identifier: GPL-2.0
10 .. _dsa-config-showcases:
13 -----------------------
30 at https://www.kernel.org/pub/linux/utils/net/iproute2/
35 All other corresponding linux interfaces are called slave interfaces.
37 The slave interfaces depend on the master interface being up in order for them
38 to send or receive traffic. Prior to kernel v5.12, the state of the master
39 interface had to be managed explicitly by the user. Starting with kernel v5.12,
42 - when a DSA slave interface is brought up, the master interface is
44 - when the master interface is brought down, all DSA slave interfaces are
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| /openbmc/linux/Documentation/i2c/ |
| H A D | i2c-address-translators.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 -----------
13 An I2C Address Translator (ATR) is a device with an I2C slave parent
16 with a modified slave address. The address used on the parent bus is
18 slave address of the child bus. Address translation is done by the
21 An ATR looks similar to an i2c-mux except:
22 - the address on the parent and child busses can be different
23 - there is normally no need to select the child port; the alias used on the
27 The kernel i2c-atr provides a helper to implement an ATR within a driver.
40 Slave X @ 0x10
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| /openbmc/linux/drivers/net/bonding/ |
| H A D | bond_sysfs_slave.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
8 #include <linux/kernel.h>
15 ssize_t (*show)(struct slave *, char *);
21 static ssize_t state_show(struct slave *slave, char *buf) in state_show() argument
23 switch (bond_slave_state(slave)) { in state_show()
34 static ssize_t mii_status_show(struct slave *slave, char *buf) in mii_status_show() argument
36 return sysfs_emit(buf, "%s\n", bond_slave_link_status(slave->link)); in mii_status_show()
40 static ssize_t link_failure_count_show(struct slave *slave, char *buf) in link_failure_count_show() argument
42 return sysfs_emit(buf, "%d\n", slave->link_failure_count); in link_failure_count_show()
46 static ssize_t perm_hwaddr_show(struct slave *slave, char *buf) in perm_hwaddr_show() argument
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| /openbmc/linux/Documentation/ABI/testing/ |
| H A D | sysfs-bus-soundwire-slave | 6 Contact: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
7 Bard Liao <yung-chuan.liao@linux.intel.com>
8 Vinod Koul <vkoul@kernel.org>
10 Description: SoundWire Slave status
12 These properties report the Slave status, e.g. if it
19 What: /sys/bus/soundwire/devices/sdw:.../dev-properties/mipi_revision
20 /sys/bus/soundwire/devices/sdw:.../dev-properties/wake_capable
21 /sys/bus/soundwire/devices/sdw:.../dev-properties/test_mode_capable
22 /sys/bus/soundwire/devices/sdw:.../dev-properties/clk_stop_mode1
23 /sys/bus/soundwire/devices/sdw:.../dev-properties/simple_clk_stop_capable
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| /openbmc/u-boot/drivers/rtc/ |
| H A D | m41t94.c | 4 * Taken from the Linux kernel drivier:
7 * Adaptation for U-Boot:
9 * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
20 static struct spi_slave *slave; variable
41 if (!slave) { in rtc_set()
42 slave = spi_setup_slave(CONFIG_M41T94_SPI_BUS, in rtc_set()
45 if (!slave) in rtc_set()
46 return -1; in rtc_set()
48 spi_claim_bus(slave); in rtc_set()
51 buf[M41T94_REG_SECONDS] = bin2bcd(tm->tm_sec); in rtc_set()
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| /openbmc/linux/Documentation/networking/ |
| H A D | bonding.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 Corrections, HA extensions: 2000/10/03-15:
13 - Willy Tarreau <willy at meta-x.org>
14 - Constantine Gavrilov <const-g at xpert.com>
15 - Chad N. Tindel <ctindel at ieee dot org>
16 - Janice Girouard <girouard at us dot ibm dot com>
17 - Jay Vosburgh <fubar at us dot ibm dot com>
22 - Mitch Williams <mitch.a.williams at intel.com>
34 beowulf patches for kernel 2.0. It has changed quite a bit since, and
35 the original tools from extreme-linux and beowulf sites will not work
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| /openbmc/linux/drivers/tty/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
7 blocks features that require TTY from inclusion in the kernel.
23 one can be used for a text-mode user session, and a third could run
25 is done with certain key combinations, usually Alt-<function key>.
42 shiny Linux system :-)
57 The system console is the device which receives all kernel messages
62 the kernel messages be output only to a serial port (in which case
67 that with a kernel command line option such as "console=tty3" which
70 loadlin) about how to pass options to the kernel at boot time.)
95 See <file:Documentation/driver-api/console.rst> for more
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| /openbmc/linux/drivers/net/ethernet/ti/ |
| H A D | cpsw-common.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 #include <linux/kernel.h>
15 int slave, u8 *mac_addr) in davinci_emac_3517_get_macid() argument
21 syscon = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon"); in davinci_emac_3517_get_macid()
23 if (PTR_ERR(syscon) == -ENODEV) in davinci_emac_3517_get_macid()
28 regmap_read(syscon, CTRL_MAC_LO_REG(offset, slave), &macid_lsb); in davinci_emac_3517_get_macid()
29 regmap_read(syscon, CTRL_MAC_HI_REG(offset, slave), &macid_msb); in davinci_emac_3517_get_macid()
41 static int cpsw_am33xx_cm_get_macid(struct device *dev, u16 offset, int slave, in cpsw_am33xx_cm_get_macid() argument
48 syscon = syscon_regmap_lookup_by_phandle(dev->of_node, "syscon"); in cpsw_am33xx_cm_get_macid()
50 if (PTR_ERR(syscon) == -ENODEV) in cpsw_am33xx_cm_get_macid()
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| /openbmc/linux/Documentation/w1/slaves/ |
| H A D | w1_ds28e17.rst | 2 Kernel driver w1_ds28e17
7 * Maxim DS28E17 1-Wire-to-I2C Master Bridge
19 -----------
20 The DS28E17 is a Onewire slave device which acts as an I2C bus master.
23 come and go as the DS28E17 devices come and go. I2C slave devices connected to
24 a DS28E17 can be accessed by the kernel or userspace tools as if they were
30 SUBSYSTEM=="i2c-dev", KERNEL=="i2c-[0-9]*", ATTRS{name}=="w1-19-*", \
31 SYMLINK+="i2c-$attr{name}"
33 may be used to create stable /dev/i2c- entries based on the unique id of the
41 it is connected. The power-on default of the DS28E17 is 400kBaud, but
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| /openbmc/linux/net/ax25/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
13 <https://linux-ax25.in-berlin.de>.
16 kernel: saying N will just cause the configurator to skip all
27 radio. It is either used by itself for point-to-point links, or to
41 contained in the AX25-HOWTO, available from
44 kernel source. More information about digital amateur radio in
52 bool "AX.25 DAMA Slave support"
59 If you say Y here, your Linux box will act as a DAMA slave; this is
62 only compiles DAMA slave support into the kernel. It still needs to
64 <https://linux-ax25.in-berlin.de>. If unsure, say Y.
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| /openbmc/linux/Documentation/w1/masters/ |
| H A D | omap-hdq.rst | 2 Kernel driver for omap HDQ/1-wire module
7 HDQ/1-wire controller on the TI OMAP 2430/3430 platforms.
15 The HDQ/1-Wire module of TI OMAP2430/3430 platforms implement the hardware
17 Semiconductor 1-Wire protocols. These protocols use a single wire for
18 communication between the master (HDQ/1-Wire controller) and the slave
19 (HDQ/1-Wire external compliant device).
21 A typical application of the HDQ/1-Wire module is the communication with battery
24 The controller supports operation in both HDQ and 1-wire mode. The essential
25 difference between the HDQ and 1-wire mode is how the slave device responds to
27 create an initialization pulse to the slave.However, the slave can be reset by
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| /openbmc/linux/Documentation/devicetree/bindings/soc/qcom/ |
| H A D | qcom,smp2p.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andy Gross <agross@kernel.org>
11 - Bjorn Andersson <bjorn.andersson@linaro.org>
12 - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
16 of a single 32-bit value between two processors. Each value has a single
35 $ref: /schemas/types.yaml#/definitions/phandle-array
37 - items:
38 - description: phandle to a syscon node representing the APCS registers
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| /openbmc/linux/drivers/w1/ |
| H A D | w1_netlink.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
15 * enum w1_cn_msg_flags - bitfield flags for struct cn_msg.flags
26 * enum w1_netlink_message_types - message type
28 * @W1_SLAVE_ADD: notification that a slave device was added
29 * @W1_SLAVE_REMOVE: notification that a slave device was removed
33 * @W1_SLAVE_CMD: sends reset, selects the slave, then does a read/write/touch
48 * struct w1_netlink_msg - holds w1 message type, id, and result
51 * @status: kernel feedback for success 0 or errno failure value
53 * @id: union holding bus master id (msg.id) and slave device id (id[8]).
54 * @id.id: Slave ID (8 bytes)
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| /openbmc/linux/Documentation/spi/ |
| H A D | pxa2xx.rst | 7 (see Documentation/spi/spi-summary.rst). The driver has the following features
9 - Support for any PXA2xx and compatible SSP.
10 - SSP PIO and SSP DMA data transfers.
11 - External and Internal (SSPFRM) chip selects.
12 - Per slave device (chip) configuration.
13 - Full suspend, freeze, resume support.
15 The driver is built around a &struct spi_message FIFO serviced by kernel
16 thread. The kernel thread, spi_pump_messages(), drives message FIFO and
21 -----------------------------------
23 arch/.../mach-*/board-*.c as a "platform device". The master configuration
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| H A D | spi-summary.rst | 2 Overview of Linux kernel SPI support
5 02-Feb-2012
8 ------------
12 standardization body. SPI uses a master/slave configuration.
15 and parallel data lines with "Master Out, Slave In" (MOSI) or "Master In,
16 Slave Out" (MISO) signals. (Other names are also used.) There are four
17 clocking modes through which data is exchanged; mode-0 and mode-3 are most
22 SPI masters use a fourth "chip select" line to activate a given SPI slave
25 low signals, labeled nCSx for slave 'x' (e.g. nCS0). Some devices have
29 SPI slave functions are usually not interoperable between vendors
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| /openbmc/linux/drivers/net/ |
| H A D | eql.c | 2 * Equalizer Load-balancer for serial network interfaces.
4 * (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
17 * Phone: 1-703-847-0040 ext 103
33 * Added one-line eql_remove_slave patch.
47 * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) -
52 * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) -
56 * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) -
60 * slave_load = (ULONG_MAX - (ULONG_MAX / 2)) -
71 * still crashes the kernel when the lock_wait thing is woken up.
74 * Broken set-bit locking snapshot
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| /openbmc/linux/Documentation/arch/ia64/ |
| H A D | mca.rst | 2 An ad-hoc collection of notes on IA64 MCA and INIT processing
7 ---
15 ---
27 * Slave cpus that receive the MCA interrupt call down into SAL, they
30 * If any slave cpu was already spinning disabled when the MCA occurred
32 sends an unmaskable INIT event to the slave cpus that have not
43 * If an MCA/INIT event occurs while the kernel was running (not user
44 space) and the kernel has called PAL then the MCA/INIT handler cannot
45 assume that the kernel stack is in a fit state to be used. Mainly
47 Because the MCA/INIT handlers cannot trust the kernel stack, they
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| /openbmc/linux/Documentation/driver-api/ |
| H A D | vme.rst | 5 -------------------
7 As with other subsystems within the Linux kernel, VME device drivers register
24 .. code-block:: c
30 if (vdev->id.num >= USER_BUS_MAX)
41 dev->bridge->num.
49 -------------------
53 succeeds, a non-zero value should be returned. A zero return value indicates
60 (:c:func:`vme_master_request`), slave windows (:c:func:`vme_slave_request`)
64 attributes of the driver in question. For slave windows these attributes are
73 transfers to be provided in the route attributes. This is typically VME-to-MEM
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| /openbmc/linux/arch/hexagon/include/asm/ |
| H A D | pgalloc.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
11 #include <asm/mem-layout.h>
14 #include <asm-generic/pgalloc.h>
29 * that new address spaces always contain the kernel in pgd_alloc()
32 * map with a copy of the kernel's persistent map. in pgd_alloc()
36 mm->context.generation = kmap_generation; in pgd_alloc()
39 mm->context.ptbase = __pa(pgd); in pgd_alloc()
57 * share the same pmd's for their kernel mappings, but the v0.3
58 * Hexagon VM spec has a "monolithic" L1 table for user and kernel
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| /openbmc/linux/drivers/w1/slaves/ |
| H A D | w1_therm.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
10 #include <linux/kernel.h>
35 * In case the parasite power-detection is not working (seems to be the case
40 * - strong_pullup = 0 Disable strong pullup completely
41 * - strong_pullup = 1 Enable automatic strong pullup detection
42 * - strong_pullup = 2 Force strong pullup
66 #define MIN_TEMP -55 /* min temperature that can be measured */
98 * return a pointer on the slave w1_therm_family_converter struct:
102 (((struct w1_therm_family_data *)(sl->family_data))->specific_functions)
105 * return the power mode of the sl slave : 1-ext, 0-parasite, <0 unknown
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| /openbmc/linux/arch/mips/include/asm/sn/ |
| H A D | nmi.h | 8 * Copyright (C) 1992 - 1997 Silicon Graphics, Inc.
17 * and is used to communicate between the master processor and the slave
21 * corresponding to a target processor that is in a slave loop, then sends
22 * an interrupt to the slave processor. The slave calls the desired
24 * the slave loop. The master does not wait for the slaves before
56 volatile void *call_addr; /* Routine for slave to call */
64 /* Following definitions are needed both in the prom & the kernel
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| /openbmc/linux/arch/powerpc/kexec/ |
| H A D | file_load.c | 1 // SPDX-License-Identifier: GPL-2.0-only
12 * Based on kexec-tools' kexec-elf-ppc64.c, fs2dt.c.
13 * Heavily modified for the kernel by
26 * setup_kdump_cmdline - Prepend "elfcorehdr=<addr> " to command line
27 * of kdump kernel for exporting the core.
34 * Returns new cmdline buffer for kdump kernel on success, NULL otherwise.
47 image->elf_load_addr); in setup_kdump_cmdline()
57 cmdline_ptr[COMMAND_LINE_SIZE - 1] = '\0'; in setup_kdump_cmdline()
62 * setup_purgatory - initialize the purgatory's global variables
64 * @slave_code: Slave code for the purgatory.
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