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/openbmc/linux/drivers/net/wireless/intel/iwlwifi/mvm/
H A Dcoex.c1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
3 * Copyright (C) 2013-2014, 2018-2020, 2022 Intel Corporation
4 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
11 #include "iwl-modparams.h"
13 #include "iwl-debug.h"
100 * Checking that we hold mvm->mutex is a good idea, but the rate in iwl_get_coex_type()
109 chanctx_conf = rcu_dereference(vif->bss_conf.chanctx_conf); in iwl_get_coex_type()
112 chanctx_conf->def.chan->band != NL80211_BAND_2GHZ) { in iwl_get_coex_type()
119 if (mvm->cfg->bt_shared_single_ant) { in iwl_get_coex_type()
124 phy_ctx_id = *((u16 *)chanctx_conf->drv_priv); in iwl_get_coex_type()
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/openbmc/linux/Documentation/sound/soc/
H A Dpops-clicks.rst7 audio module is either loaded or unloaded (at module load time the sound card is
21 suppression. Pops can be reduced within playback by powering the audio
23 shutdown and follows some basic rules:-
26 Startup Order :- DAC --> Mixers --> Output PGA --> Digital Unmute
28 Shutdown Order :- Digital Mute --> Output PGA --> Mixers --> DAC
43 Startup Order - Input PGA --> Mixers --> ADC
45 Shutdown Order - ADC --> Mixers --> Input PGA
/openbmc/linux/drivers/net/wireless/intel/iwlwifi/dvm/
H A Dlib.c1 // SPDX-License-Identifier: GPL-2.0-only
4 * Copyright(c) 2008 - 2014, 2022 Intel Corporation. All rights reserved.
12 #include "iwl-io.h"
13 #include "iwl-agn-hw.h"
14 #include "iwl-trans.h"
15 #include "iwl-modparams.h"
31 if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->status), in iwlagn_send_tx_power()
33 return -EAGAIN; in iwlagn_send_tx_power()
36 tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt); in iwlagn_send_tx_power()
38 if (tx_power_cmd.global_lmt > priv->nvm_data->max_tx_pwr_half_dbm) { in iwlagn_send_tx_power()
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/openbmc/linux/include/linux/
H A Dedac.h6 * 2006-2008 (c) MontaVista Software, Inc. This file is licensed under
26 #define EDAC_OPSTATE_INVAL -1
60 * enum dev_type - describe the type of memory DRAM chips used at the stick
93 * enum hw_event_mc_err_type - type of the detected error
95 * @HW_EVENT_ERR_CORRECTED: Corrected Error - Indicates that an ECC
97 * @HW_EVENT_ERR_UNCORRECTED: Uncorrected Error - Indicates an error that
101 * it for example, by re-trying the operation).
102 * @HW_EVENT_ERR_DEFERRED: Deferred Error - Indicates an uncorrectable
108 * @HW_EVENT_ERR_FATAL: Fatal Error - Uncorrected error that could not
110 * @HW_EVENT_ERR_INFO: Informational - The CPER spec defines a forth
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/openbmc/linux/tools/perf/pmu-events/arch/x86/goldmontplus/
H A Dpipeline.json205 "BriefDescription": "Instructions retired - using Reduced Skid PEBS feature",
209 …"PublicDescription": "Counts INST_RETIRED.ANY using the Reduced Skid PEBS feature that reduces the…
223 …ocation is stalled waiting for a mispredicted jump to retire or other branch-like conditions (e.g.…
231 …luding but not limited to resources such as the Re-order Buffer (ROB), reservation stations (RS), …
249 "PublicDescription": "Counts anytime a load that retires is blocked for any reason.",
258 …"PublicDescription": "Counts a load blocked from using a store forward, but did not occur because …
267 …"PublicDescription": "Counts a load blocked from using a store forward because of an address/size …
291 …load which has been issued conflicts with a previous unretired store in the pipeline whose address…
299 …r of times that the machines clears due to a page fault. Covers both I-side and D-side(Loads/Store…
304 "BriefDescription": "Self-Modifying Code detected",
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/openbmc/linux/Documentation/admin-guide/pm/
H A Dsleep-states.rst1 .. SPDX-License-Identifier: GPL-2.0
13 Sleep states are global low-power states of the entire system in which user
15 reduced.
28 Suspend-to-Idle
29 ---------------
31 This is a generic, pure software, light-weight variant of system suspend (also
34 I/O devices into low-power states (possibly lower-power than available in the
38 The system is woken up from this state by in-band interrupts, so theoretically
43 or :ref:`suspend-to-RAM <s2ram>`, or it can be used in addition to any of the
44 deeper system suspend variants to provide reduced resume latency. It is always
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/openbmc/linux/Documentation/filesystems/nfs/
H A Dknfsd-stats.rst5 :Authors: Greg Banks <gnb@sgi.com> - 26 Mar 2009
13 program from the nfs-utils distribution provides a helpful command-line
48 packets-arrived
58 However this is a more accurate and less workload-dependent measure
59 of how much CPU load is being placed on the sunrpc server layer
62 sockets-enqueued
68 network-facing work to be done but it couldn't be done immediately,
70 rate of change for this counter is zero; significantly non-zero
74 pool for the NFS workload (the workload is thread-limited), in which
78 threads-woken
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/openbmc/linux/include/acpi/
H A Dacpixf.h1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
4 * Name: acpixf.h - External interfaces to the ACPI subsystem
6 * Copyright (C) 2000 - 2023, Intel Corp.
99 * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
109 * table load time to determine those that create named objects. Methods
111 * possible run-time problems if they are entered by more than one thread.
118 * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
154 * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
160 * Optionally use 32-bit FADT addresses if and when there is a conflict
161 * (address mismatch) between the 32-bit and 64-bit versions of the
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/openbmc/u-boot/doc/
H A DREADME.iscsi1 # iSCSI booting with U-Boot and iPXE
5 U-Boot has only a reduced set of supported network protocols. The focus for
10 address of a boot script. TFTP or NFS can be used to load the boot script, the
30 Thus a better solution than DHCP/TFTP/NFS boot would be to load a boot script
34 An alternative to implementing these protocols in U-Boot is to use an existing
35 software that can run on top of U-Boot. iPXE[1] is the "swiss army knife" of
40 run by U-Boot.
44 U-Boot loads the EFI application iPXE snp.efi using the bootefi command. This
46 U-Boot.
48 iPXE executes its internal script. This script may optionally chain load a
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/openbmc/linux/Documentation/hwmon/
H A Dmax6650.rst12 Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
20 Datasheet: http://pdfserv.maxim-ic.com/en/ds/MAX6650-MAX6651.pdf
23 - Hans J. Koch <hjk@hansjkoch.de>
24 - John Morris <john.morris@spirentcom.com>
25 - Claus Gindhart <claus.gindhart@kontron.com>
28 -----------
32 The 2 devices are very similar, but the MAX6550 has a reduced feature
33 set, e.g. only one fan-input, instead of 4 for the MAX6651.
47 pwm1 rw relative speed (0-255), 255=max. speed.
55 -----------
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/openbmc/linux/Documentation/security/
H A Dself-protection.rst2 Kernel Self-Protection
5 Kernel self-protection is the design and implementation of systems and
13 In the worst-case scenario, we assume an unprivileged local attacker
20 attack surface. (Especially when they have the ability to load arbitrary
23 The goals for successful self-protection systems would be that they
24 are effective, on by default, require no opt-in by developers, have no
36 from limiting the exposed APIs available to userspace, making in-kernel
41 --------------------------------
47 Executable code and read-only data must not be writable
61 writable, data is not executable, and read-only data is neither writable
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/openbmc/linux/Documentation/networking/
H A 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
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/openbmc/linux/Documentation/arch/loongarch/
H A Dintroduction.rst1 .. SPDX-License-Identifier: GPL-2.0
7 LoongArch is a new RISC ISA, which is a bit like MIPS or RISC-V. There are
8 currently 3 variants: a reduced 32-bit version (LA32R), a standard 32-bit
9 version (LA32S) and a 64-bit version (LA64). There are 4 privilege levels
22 ----
24 LoongArch has 32 GPRs ( ``$r0`` ~ ``$r31`` ); each one is 32-bit wide in LA32
25 and 64-bit wide in LA64. ``$r0`` is hard-wired to zero, and the other registers
26 are not architecturally special. (Except ``$r1``, which is hard-wired as the
30 the LoongArch ELF psABI spec, in :ref:`References <loongarch-references>`:
40 ``$r4``-``$r11`` ``$a0``-``$a7`` Argument registers No
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/openbmc/linux/kernel/module/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
46 existing module taking too long to load or that module was already
63 bool "Debug duplicate modules with auto-loading"
65 Module autoloading allows in-kernel code to request modules through
68 loaded before trying to load a module there is a small time window in
74 requests are non-fatal virtual memory is a limited resource and each
79 module requests to help identify if module auto-loading may be the
92 non-wait request_module() call is synchronous and waits until modprobe
93 completes. Subsequent auto-loading requests for the same module do
101 abuse was due to module auto-loading. These issues are currently only
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/openbmc/linux/kernel/rcu/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
3 # RCU-related configuration options
11 # Dynticks-idle tracking
26 thousands of CPUs, but for which real-time response
37 designed for UP systems from which real-time response
42 bool "Make expert-level adjustments to RCU configuration"
46 expert-level adjustments to RCU configuration. By default,
47 no such adjustments can be made, which has the often-beneficial
48 side-effect of preventing "make oldconfig" from asking you all
52 Say Y if you need to make expert-level adjustments to RCU.
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/openbmc/openbmc/poky/documentation/dev-manual/
H A Dinit-manager.rst1 .. SPDX-License-Identifier: CC-BY-SA-2.0-UK
3 .. _init-manager:
8 By default, the Yocto Project uses :wikipedia:`SysVinit <Init#SysV-style>` as
11 is a full replacement for init with parallel starting of services, reduced
39 In systems with SysVinit or BusyBox init, services load sequentially (i.e. one
51 The ":ref:`device-manager`" chapter has more details about device managers.
68 INIT_MANAGER = "mdev-busybox"
80 See :yocto_git:`meta/conf/distro/include/init-manager-systemd.inc
81 </poky/tree/meta/conf/distro/include/init-manager-systemd.inc>` for exact
85 -----------------------------------------------
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/openbmc/linux/Documentation/devicetree/bindings/sound/
H A Dcs35l36.txt5 - compatible : "cirrus,cs35l36"
7 - reg : the I2C address of the device for I2C
9 - VA-supply, VP-supply : power supplies for the device,
13 - cirrus,boost-ctl-millivolt : Boost Voltage Value. Configures the boost
18 - cirrus,boost-peak-milliamp : Boost-converter peak current limit in mA.
24 - cirrus,boost-ind-nanohenry : Inductor estimation LBST reference value.
32 - cirrus,multi-amp-mode : Boolean to determine if there are more than
33 one amplifier in the system. If more than one it is best to Hi-Z the ASP
36 - cirrus,boost-ctl-select : Boost converter control source selection.
39 0x00 - Control Port Value
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/openbmc/phosphor-dbus-interfaces/yaml/xyz/openbmc_project/Inventory/Item/
H A DDimm.interface.yaml4 - name: MemoryDataWidth
8 - name: MemorySizeInKB
12 - name: MemoryDeviceLocator
16 - name: MemoryType
20 - name: MemoryTypeDetail
24 - name: MaxMemorySpeedInMhz
28 - name: MemoryAttributes
33 - name: MemoryConfiguredSpeedInMhz
37 - name: ECC
40 Error-Correcting Code.
[all …]
/openbmc/linux/drivers/acpi/
H A DKconfig1 # SPDX-License-Identifier: GPL-2.0
18 Linux requires an ACPI-compliant platform (hardware/firmware),
19 and assumes the presence of OS-directed configuration and power
25 the Plug-and-Play BIOS specification (PnP BIOS), the
35 ACPI is an open industry specification originally co-developed by
36 Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently,
67 Enable in-kernel debugging of AML facilities: statistics,
125 This option enables a DMI-based quirk for the above Dell machine (so
178 performs user-defined actions such as shutting down the system.
179 This is necessary for software-controlled poweroff.
[all …]
/openbmc/linux/Documentation/networking/device_drivers/ethernet/intel/
H A Dfm10k.rst1 .. SPDX-License-Identifier: GPL-2.0+
4 Linux Base Driver for Intel(R) Ethernet Multi-host Controller
8 Copyright(c) 2015-2018 Intel Corporation.
12 - Identifying Your Adapter
13 - Additional Configurations
14 - Performance Tuning
15 - Known Issues
16 - Support
21 Ethernet Multi-host Controller.
29 ------------
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/openbmc/linux/arch/arm64/kvm/
H A Dreset.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2012,2013 - ARM Ltd
7 * Copyright (C) 2012 - Virtual Open Systems and Columbia University
82 return -EINVAL; in kvm_vcpu_enable_sve()
84 vcpu->arch.sve_max_vl = kvm_sve_max_vl; in kvm_vcpu_enable_sve()
98 * vcpu->arch.sve_state as necessary.
107 vl = vcpu->arch.sve_max_vl; in kvm_vcpu_finalize_sve()
112 * set_sve_vls(). Double-check here just to be sure: in kvm_vcpu_finalize_sve()
116 return -EIO; in kvm_vcpu_finalize_sve()
121 return -ENOMEM; in kvm_vcpu_finalize_sve()
[all …]
/openbmc/linux/drivers/edac/
H A Dedac_mc.c9 * http://www.anime.net/~goemon/linux-ecc/
64 struct mem_ctl_info *mci = dimm->mci; in edac_dimm_info_location()
68 for (i = 0; i < mci->n_layers; i++) { in edac_dimm_info_location()
70 edac_layer_name[mci->layers[i].type], in edac_dimm_info_location()
71 dimm->location[i]); in edac_dimm_info_location()
73 len -= n; in edac_dimm_info_location()
84 edac_dbg(4, " channel->chan_idx = %d\n", chan->chan_idx); in edac_mc_dump_channel()
86 edac_dbg(4, " channel->csrow = %p\n", chan->csrow); in edac_mc_dump_channel()
87 edac_dbg(4, " channel->dimm = %p\n", chan->dimm); in edac_mc_dump_channel()
94 if (!dimm->nr_pages) in edac_mc_dump_dimm()
[all …]
/openbmc/linux/Documentation/input/devices/
H A Dyealink.rst2 Driver documentation for yealink usb-p1k phones
10 - keyboard full support, yealink.ko / input event API
11 - LCD full support, yealink.ko / sysfs API
12 - LED full support, yealink.ko / sysfs API
13 - dialtone full support, yealink.ko / sysfs API
14 - ringtone full support, yealink.ko / sysfs API
15 - audio playback full support, snd_usb_audio.ko / alsa API
16 - audio record full support, snd_usb_audio.ko / alsa API
27 Physical USB-P1K button layout input events
75 Reduced capability 7 segment digit, when segments are hard wired together.
[all …]
/openbmc/linux/Documentation/admin-guide/mm/
H A Dzswap.rst10 dynamically allocated RAM-based memory pool. zswap basically trades CPU cycles
11 for potentially reduced swap I/O. This trade-off can also result in a
24 drastically reducing life-shortening writes.
69 means the compression ratio will always be 2:1 or worse (because of half-full
76 with a red-black tree per swap type. The swap offset is the search key for the
80 zswap load function to decompress the page into the page allocated by the page
90 * max_pool_percent - The maximum percentage of memory that the compressed
107 Some of the pages in zswap are same-value filled pages (i.e. contents of the
108 page have same value or repetitive pattern). These pages include zero-filled
110 checked if it is a same-value filled page before compressing it. If true, the
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/openbmc/linux/Documentation/arch/x86/
H A Dexception-tables.rst1 .. SPDX-License-Identifier: GPL-2.0
27 hardware present in every Linux-capable CPU handle this test.
51 (i.e. regs->eip) to find an address where the execution can continue
53 return address (again regs->eip) and returns. The execution will
73 long __gu_err = - 14 , __gu_val = 0;
75 if (((((0 + current_set[0])->tss.segment) == 0x18 ) ||
77 ((unsigned long)(__gu_addr ) <= 0xC0000000UL - (sizeof(*(buf)))))))
93 ( __gu_addr )) ), "i"(- 14 ), "0"( __gu_err )) ;
107 ( __gu_addr )) ), "i"(- 14 ), "0"( __gu_err ));
120 ( __gu_addr )) ), "i"(- 14 ), "0"(__gu_err));
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