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/linux-6.15/drivers/eisa/
Deisa.ids6 # 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"
[all …]
/linux-6.15/Documentation/devicetree/bindings/
Dtrivial-devices.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/trivial-devices.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Rob Herring <robh@kernel.org>
27 spi-max-frequency: true
32 - enum:
34 - acbel,fsg032
35 … # SMBus/I2C Digital Temperature Sensor in 6-Pin SOT with SMBus Alert and Over Temperature Pin
36 - ad,ad7414 # Deprecated, use adi,ad7414
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/linux-6.15/arch/powerpc/boot/dts/
Dturris1x.dts1 // SPDX-License-Identifier: GPL-2.0+
5 * Copyright 2013 - 2022 CZ.NIC z.s.p.o. (http://www.nic.cz/)
8 * and available at: https://docs.turris.cz/hw/turris-1x/turris-1x/
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/leds/common.h>
14 /include/ "fsl/p2020si-pre.dtsi"
41 gpio-controller@18 {
45 #gpio-cells = <2>;
46 gpio-controller;
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/linux-6.15/Documentation/core-api/
Dcpu_hotplug.rst16 Modern advances in system architectures have introduced advanced error
23 system execution path. Hence the need for CPU hotplug support in the
26 A more novel use of CPU-hotplug support is its use today in suspend resume
27 support for SMP. Dual-core and HT support makes even a laptop run SMP kernels
58 system. This is used to allocate some boot time memory for per_cpu variables
61 are added or removed anytime. Trimming it accurately for your system needs
72 Bitmap of CPUs currently present in the system. Not all
75 from the map depending on the event is hot-add/hot-remove. There are currently
79 You really don't need to manipulate any of the system CPU maps. They should
80 be read-only for most use. When setting up per-cpu resources almost always use
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/linux-6.15/arch/sparc/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
10 Say yes to build a 64-bit kernel - formerly known as sparc64
11 Say no to build a 32-bit kernel - formerly known as sparc
155 bool "Symmetric multi-processing support"
158 a system with only one CPU, say N. If you have a system with more
161 If you say N here, the kernel will run on uni- and multiprocessor
171 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
226 bool "Support for hot-pluggable CPUs"
230 can be controlled through /sys/devices/system/cpu/cpu#.
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/linux-6.15/Documentation/block/
Dnull_blk.rst1 .. 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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Dblk-mq.rst1 .. 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-6.15/Documentation/devicetree/bindings/sound/
Drenesas,rsnd.txt1 Renesas R-Car sound
7 Renesas R-Car and RZ/G sound is constructed from below modules
11 - SRC : Sampling Rate Converter
12 - CMD
13 - CTU : Channel Transfer Unit
14 - MIX : Mixer
15 - DVC : Digital Volume and Mute Function
22 * Multi channel
25 Multi channel is supported by Multi-SSI, or TDM-SSI.
27 Multi-SSI : 6ch case, you can use stereo x 3 SSI
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/linux-6.15/tools/testing/ktest/examples/
Dtest.conf12 # 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-6.15/fs/netfs/
DKconfig1 # 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-6.15/Documentation/networking/
Daf_xdp.rst1 .. 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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Dscaling.rst1 .. 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
[all …]
/linux-6.15/drivers/clocksource/
DKconfig1 # 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.
190 Enable 24-bit TIMER0 and TIMER1 counters in the NPCM7xx architecture,
211 Support for Multi Timer Unit. MTU provides access
213 32-bit free running decrementing counters.
248 bool "Integrator-AP timer driver" if COMPILE_TEST
251 Enables support for the Integrator-AP timer.
276 available on many OMAP-like platforms.
295 bool "Support for 32-bit TIMERn counters in ARC Cores" if COMPILE_TEST
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/linux-6.15/tools/power/pm-graph/
Dsleepgraph.83 sleepgraph \- Suspend/Resume timing analysis
21 Generates output files in subdirectory: suspend-yymmdd-HHMMSS
27 \fB-h\fR
30 \fB-v\fR
33 \fB-verbose\fR
36 \fB-config \fIfile\fR
39 \fB-m \fImode\fR
42 \fB-o \fIname\fR
46 e.g. suspend-{hostname}-{date}-{time}
48 \fB-rtcwake \fIt\fR | off
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/linux-6.15/Documentation/devicetree/bindings/soc/ti/
Dkeystone-navigator-qmss.txt3 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
[all …]
/linux-6.15/arch/arm/boot/dts/marvell/
Darmada-385-turris-omnia.dts1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 * Copyright (C) 2016 Uwe Kleine-König <uwe@kleine-koenig.org>
8 * Schematic available at https://www.turris.cz/doc/_media/rtrom01-schema.pdf
11 /dts-v1/;
13 #include <dt-bindings/gpio/gpio.h>
14 #include <dt-bindings/input/input.h>
15 #include <dt-bindings/leds/common.h>
16 #include "armada-385.dtsi"
20 compatible = "cznic,turris-omnia", "marvell,armada385", "marvell,armada380";
23 stdout-path = &uart0;
[all …]
/linux-6.15/drivers/soc/hisilicon/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
12 The Huawei Cache Coherence System (HCCS) is a multi-chip
16 errors and so on. This may support for reducing system power
21 health status and port information of HCCS, or reducing system
/linux-6.15/drivers/hwmon/pmbus/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
37 be called acbel-fsg032.
55 ADM1293, and ADM1294 Hot-Swap Controller and Digital Power Monitors.
77 be called bel-pfe.
80 tristate "BluTek BPA-RS600 Power Supplies"
83 BPA-RS600 Power Supplies.
86 be called bpa-rs600.
98 tristate "Delta AHE-50DC fan control module"
101 the integrated fan control module of the Delta AHE-50DC
105 will be called delta-ahe50dc-fan.
[all …]
/linux-6.15/arch/parisc/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
83 select HAVE_DYNAMIC_FTRACE if $(cc-option,-fpatchable-function-entry=1,1)
94 The PA-RISC microprocessor is designed by Hewlett-Packard and used
96 and later HP3000 series). The PA-RISC Linux project home page is
156 # unless you want to implement ACPI on PA-RISC ... ;-)
191 that can run on all 32-bit PA CPUs (albeit not optimally fast),
194 Specifying "PA8000" here will allow you to select a 64-bit kernel
200 Select this option for the PCX-L processor, as used in the
202 D200, D210, D300, D310 and E-class
207 Select this option for the PCX-T' processor, as used in the
[all …]
/linux-6.15/tools/perf/Documentation/
Dperf-bench.txt1 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-6.15/Documentation/admin-guide/cgroup-v1/
Dcpuacct.rst8 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-6.15/Documentation/devicetree/bindings/timer/
Dcsky,mptimer.txt2 C-SKY Multi-processors Timer
5 C-SKY multi-processors timer is designed for C-SKY SMP system and the
6 regs is accessed by cpu co-processor 4 registers with mtcr/mfcr.
8 - PTIM_CTLR "cr<0, 14>" Control reg to start reset timer.
9 - PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg.
10 - PTIM_CCVR "cr<3, 14>" Current counter value reg.
11 - PTIM_LVR "cr<6, 14>" Window value reg to trigger next event.
21 - compatible
25 - clocks
29 - interrupts
[all …]
/linux-6.15/Documentation/admin-guide/kdump/
Dkdump.rst2 Documentation for Kdump - The kexec-based Crash Dumping Solution
11 Kdump uses kexec to quickly boot to a dump-capture kernel whenever a
12 dump of the system kernel's memory needs to be taken (for example, when
13 the system panics). The system kernel's memory image is preserved across
14 the reboot and is accessible to the dump-capture kernel.
18 to a remote system.
23 When the system kernel boots, it reserves a small section of memory for
24 the dump-capture kernel. This ensures that ongoing Direct Memory Access
25 (DMA) from the system kernel does not corrupt the dump-capture kernel.
26 The kexec -p command loads the dump-capture kernel into this reserved
[all …]
/linux-6.15/Documentation/trace/
Dintel_th.rst1 .. 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-6.15/Documentation/arch/s390/
Dpci.rst1 .. 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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