| /linux/drivers/eisa/ |
| H A D | eisa.ids | 6 # Marc Zyngier <maz@wild-wind.fr.eu.org>
10 ABP0510 "Advansys ABP-510 ISA SCSI Host Adapter"
11 ABP0540 "Advansys ABP-540/542 ISA SCSI Host Adapter"
12 ABP7401 "AdvanSys ABP-740/742 EISA Single Channel SCSI Host Adapter"
13 ABP7501 "AdvanSys ABP-750/752 EISA Dual Channel SCSI Host Adapter"
14 ACC1200 "ACCTON EtherCombo-32 Ethernet Adapter"
15 ACC120A "ACCTON EtherCombo-32 Ethernet Adapter"
18 ACE1010 "ACME Super Fast System Board"
25 ACE7010 "ACME Multi-Function Board"
26 ACR1201 "Acer 1200 486/25 EISA System Board"
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| /linux/arch/powerpc/boot/dts/ |
| H A D | turris1x.dts | 1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright 2013 - 2022 CZ.NIC z.s.p.o. (http://www.nic.cz/)
8 * and available at: https://docs.turris.cz/hw/turris-1x/turris-1x/
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/leds/common.h>
14 /include/ "fsl/p2020si-pre.dtsi"
41 gpio-controller@18 {
45 #gpio-cells = <2>;
46 gpio-controller;
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| /linux/Documentation/core-api/ |
| H A D | cpu_hotplug.rst | 16 Modern advances in system architectures have introduced advanced error
23 system execution path. Hence the need for CPU hotplug support in the
26 A more novel use of CPU-hotplug support is its use today in suspend resume
27 support for SMP. Dual-core and HT support makes even a laptop run SMP kernels
58 system. This is used to allocate some boot time memory for per_cpu variables
61 are added or removed anytime. Trimming it accurately for your system needs
72 Bitmap of CPUs currently present in the system. Not all
75 from the map depending on the event is hot-add/hot-remove. There are currently
79 You really don't need to manipulate any of the system CPU maps. They should
80 be read-only for most use. When setting up per-cpu resources almost always use
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| /linux/Documentation/block/ |
| H A D | null_blk.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 block-layer implementations. It emulates a block device of X gigabytes in size.
15 Multi-queue block-layer
17 - Request-based.
18 - Configurable submission queues per device.
20 No block-layer (Known as bio-based)
22 - Bio-based. IO requests are submitted directly to the device driver.
23 - Directly accepts bio data structure and returns them.
25 All of them have a completion queue for each core in the system.
30 queue_mode=[0-2]: Default: 2-Multi-queue
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| H A D | blk-mq.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Multi-Queue Block IO Queueing Mechanism (blk-mq)
7 The Multi-Queue Block IO Queueing Mechanism is an API to enable fast storage
16 ----------
26 However, with the development of Solid State Drives and Non-Volatile Memories
29 device to the operating system. In order to take advantage of the parallelism
30 in those devices' design, the multi-queue mechanism was introduced.
36 to different CPUs) wanted to perform block IO. Instead of this, the blk-mq API
42 ---------
45 for instance), blk-mq takes action: it will store and manage IO requests to
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| /linux/drivers/soc/sophgo/ |
| H A D | sg2044-topsys.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Sophgo SG2044 multi-function system controller driver
16 .name = "sg2044-pll",
22 return devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO, in sg2044_topsys_probe()
29 { .compatible = "sophgo,sg2044-top-syscon" },
37 .name = "sg2044-topsys",
44 MODULE_DESCRIPTION("Sophgo SG2044 multi-function system controller driver");
|
| /linux/tools/testing/ktest/examples/ |
| H A D | test.conf | 12 # machine, which may be different between which system the machine
14 # the machine, where it does not matter which system the machine boots into.
19 CONSOLE = stty -F /dev/ttyS0 115200 parodd; cat /dev/ttyS0
24 # TESTS = patchcheck, randconfig, boot, test, config-bisect, bisect, min-config
30 # Some tests may have more than one test to run. Define MULTI := 1 to run
32 MULTI := 0
34 # In case you want to differentiate which type of system you are testing
46 #PRE_BUILD = patch -p1 < ${THIS_DIR}/fix.patch
52 DO_POST_BUILD := git reset --hard
53 POST_BUILD = ${SSH} 'rm -rf /lib/modules/*-test*'; ${DO_POST_BUILD}
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| /linux/Documentation/networking/ |
| H A D | af_xdp.rst | 1 .. SPDX-License-Identifier: GPL-2.0
20 XDP programs to redirect frames to a memory buffer in a user-space
64 single-consumer / single-producer (for performance reasons), the new
72 user-space application can place an XSK at an arbitrary place in this
99 http://vger.kernel.org/lpc_net2018_talks/lpc18_paper_af_xdp_perf-v2.pdf. Do
106 ----
109 equal-sized frames. An UMEM is associated to a netdev and a specific
112 system call. A UMEM is bound to a netdev and queue id, via the bind()
113 system call.
121 The UMEM has two single-producer/single-consumer rings that are used
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| H A D | scaling.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 multi-processor systems.
17 - RSS: Receive Side Scaling
18 - RPS: Receive Packet Steering
19 - RFS: Receive Flow Steering
20 - Accelerated Receive Flow Steering
21 - XPS: Transmit Packet Steering
28 (multi-queue). On reception, a NIC can send different packets to different
33 generally known as “Receive-side Scaling” (RSS). The goal of RSS and
35 Multi-queue distribution can also be used for traffic prioritization, but
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| /linux/fs/netfs/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
7 helpers for high-level buffered I/O, abstracting out read
21 multi-CPU system these may be on cachelines that keep bouncing
26 bool "Enable dynamic debugging netfslib and FS-Cache"
56 multi-CPU system these may be on cachelines that keep bouncing
|
| /linux/drivers/clocksource/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
60 bool "OMAP dual-mode timer driver" if ARCH_K3 || COMPILE_TEST
64 Enables the support for the TI dual-mode timer driver.
198 Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
219 Support for Multi Timer Unit. MTU provides access
221 32-bit free running decrementing counters.
256 bool "Integrator-AP timer driver" if COMPILE_TEST
259 Enables support for the Integrator-AP timer.
284 available on many OMAP-like platforms.
303 bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
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| /linux/Documentation/devicetree/bindings/soc/ti/ |
| H A D | keystone-navigator-qmss.txt | 3 The QMSS (Queue Manager Sub System) found on Keystone SOCs is one of
4 the main hardware sub system which forms the backbone of the Keystone
5 multi-core Navigator. QMSS consist of queue managers, packed-data structure
9 management of the packet queues. Packets are queued/de-queued by writing or
20 - compatible : Must be "ti,keystone-navigator-qmss".
21 : Must be "ti,66ak2g-navss-qm" for QMSS on K2G SoC.
22 - clocks : phandle to the reference clock for this device.
23 - queue-range : <start number> total range of queue numbers for the device.
24 - linkram0 : <address size> for internal link ram, where size is the total
26 - linkram1 : <address size> for external link ram, where size is the total
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| /linux/Documentation/devicetree/bindings/interrupt-controller/ |
| H A D | csky,mpintc.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/interrupt-controller/csky,mpintc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: C-SKY Multi-processors Interrupt Controller
10 - Guo Ren <guoren@kernel.org>
13 C-SKY Multi-processors Interrupt Controller is designed for ck807/ck810/ck860
14 SMP soc, and it also could be used in non-SMP system.
17 0-15 : software irq, and we use 15 as our IPI_IRQ.
18 16-31 : private irq, and we use 16 as the co-processor timer.
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| /linux/Documentation/devicetree/bindings/timer/ |
| H A D | csky,mptimer.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: C-SKY Multi-processors Timer
10 - Flavio Suligoi <f.suligoi@asem.it>
11 - Guo Ren <guoren@kernel.org>
14 C-SKY multi-processors timer is designed for C-SKY SMP system and the regs are
15 accessed by cpu co-processor 4 registers with mtcr/mfcr.
17 - PTIM_CTLR "cr<0, 14>" Control reg to start reset timer.
18 - PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg.
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| /linux/Documentation/trace/ |
| H A D | intel_th.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 --------
12 sources over several types of trace output ports encoded in System
13 Trace Protocol (MIPI STPv2) and is intended to perform full system
23 - Software Trace Hub (STH), trace source, which is a System Trace
25 - Memory Storage Unit (MSU), trace output, which allows storing
26 trace hub output in system memory,
27 - Parallel Trace Interface output (PTI), trace output to an external
29 - Global Trace Hub (GTH), which is a switch and a central component
33 Documentation/ABI/testing/sysfs-bus-intel_th-output-devices, the most
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| /linux/Documentation/admin-guide/cgroup-v1/ |
| H A D | cpuacct.rst | 8 The CPU accounting controller supports multi-hierarchy groups. An accounting
14 # mount -t cgroup -ocpuacct none /sys/fs/cgroup
18 the system. /sys/fs/cgroup/tasks lists the tasks in this cgroup.
21 in the system.
35 CPU time obtained by the cgroup into user and system times. Currently
39 system: Time spent by tasks of the cgroup in kernel mode.
41 user and system are in USER_HZ unit.
44 system times. This has two side effects:
46 - It is theoretically possible to see wrong values for user and system times.
49 - It is possible to see slightly outdated values for user and system times
|
| /linux/Documentation/arch/s390/ |
| H A D | pci.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 - Pierre Morel
17 -----------------------
28 ---------------
36 - /sys/kernel/debug/s390dbf/pci_msg/sprintf
56 - /sys/bus/pci/slots/XXXXXXXX/power
64 - function_id
67 - function_handle
68 Low-level identifier used for a configured PCI function.
71 - pchid
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| /linux/drivers/firmware/arm_scmi/ |
| H A D | protocols.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
3 * System Control and Management Interface (SCMI) Message Protocol
44 * struct scmi_msg_resp_prot_version - Response for a message
61 * struct scmi_msg - Message(Tx/Rx) structure
72 * struct scmi_msg_hdr - Message(Tx/Rx) header
94 * struct scmi_xfer - Structure representing a message flow
99 * @rx: Receive message, the buffer should be pre-allocated to store
100 * message. If request-ACK protocol is used, we can reuse the same
113 * though the timed-out transaction will anyway cause the command
114 * request to be reported as failed by time-out, the underlying xfer
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| /linux/drivers/tty/serial/8250/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0
23 non-standard serial ports, since the configuration information will
28 the X window system, try running gpm first.
51 If you did not notice yet and/or you have userspace from pre-3.7, it
94 system console (the system console is the device which receives all
100 (/dev/tty0) will still be used as the system console by default, but
108 system console.
146 Note that serial ports on NetMos 9835 Multi-I/O cards are handled
169 Say Y here to enable support for 16-bit PCMCIA serial devices,
171 multi-function Ethernet/modem cards. (PCMCIA- or PC-cards are
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| /linux/Documentation/devicetree/bindings/mfd/ |
| H A D | mfd.txt | 1 Multi-Function Devices (MFD)
4 more than one non-unique yet varying hardware functionality.
8 - A mixed signal ASIC on an external bus, sometimes a PMIC (Power Management
14 - A range of memory registers containing "miscellaneous system registers" also
15 known as a system controller "syscon" or any other memory range containing a
20 - compatible : "simple-mfd" - this signifies that the operating system
23 Similarly to how "simple-bus" indicates when to see subnodes as children for
24 a simple memory-mapped bus.
27 latter case the child devices will be determined by the operating system.
29 - ranges: Describes the address mapping relationship to the parent. Should set
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| /linux/drivers/media/platform/chips-media/wave5/ |
| H A D | wave5-vdi.h | 1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
3 * Wave5 series multi-standard codec IP - low level access functions
5 * Copyright (C) 2021-2023 CHIPS&MEDIA INC
11 #include "wave5-vpuconfig.h"
21 /* system register write */
23 /* system register read */
33 int wave5_vdi_release(struct device *dev); //this function may be called only at system off.
|
| /linux/Documentation/sound/hd-audio/ |
| H A D | controls.rst | 2 HD-Audio Codec-Specific Mixer Controls
6 This file explains the codec-specific mixer controls.
9 --------------
12 This is an enum control to change the surround-channel setup,
16 jack-retasking of multi-I/O jacks.
18 Auto-Mute Mode
19 This is an enum control to change the auto-mute behavior of the
20 headphone and line-out jacks. If built-in speakers and headphone
21 and/or line-out jacks are available on a machine, this controls
23 When there are only either headphones or line-out jacks, it gives
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| /linux/Documentation/PCI/ |
| H A D | pci-error-recovery.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 :Authors: - Linas Vepstas <linasvepstas@gmail.com>
9 - Richard Lary <rlary@us.ibm.com>
10 - Mike Mason <mmlnx@us.ibm.com>
17 and the PCI-host bridges found on IBM Power4, Power5 and Power6-based
19 halting all I/O to it. The goal of a disconnection is to avoid system
20 corruption; for example, to halt system memory corruption due to DMAs
32 including multiple instances of a device driver on multi-function
34 waiting for some i/o-space register to change, when it never will.
39 is forced by the need to handle multi-function devices, that is,
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| /linux/tools/perf/Documentation/ |
| H A D | perf-bench.txt | 1 perf-bench(1)
5 ----
6 perf-bench - General framework for benchmark suites
9 --------
14 -----------
18 --------------
19 -r::
20 --repeat=::
23 -f::
24 --format=::
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| /linux/drivers/pinctrl/ |
| H A D | pinctrl-at91.h | 1 /* SPDX-License-Identifier: GPL-2.0-or-later */
6 * Parallel I/O Controller (PIO) - System peripherals registers.
29 #define PIO_MDER 0x50 /* Multi-driver Enable Register */
30 #define PIO_MDDR 0x54 /* Multi-driver Disable Register */
31 #define PIO_MDSR 0x58 /* Multi-driver Status Register */
32 #define PIO_PUDR 0x60 /* Pull-up Disable Register */
33 #define PIO_PUER 0x64 /* Pull-up Enable Register */
34 #define PIO_PUSR 0x68 /* Pull-up Status Register */
45 #define PIO_PPDDR 0x90 /* Pad Pull-down Disable Register */
46 #define PIO_PPDER 0x94 /* Pad Pull-down Enable Register */
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