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/kernel/linux/linux-5.10/Documentation/ABI/testing/
Dsysfs-module1 What: /sys/module/pch_phub/drivers/.../pch_mac
4 Contact: masa-korg@dsn.okisemi.com
7 What: /sys/module/pch_phub/drivers/.../pch_firmware
10 Contact: masa-korg@dsn.okisemi.com
14 What: /sys/module/ehci_hcd/drivers/.../uframe_periodic_max
18 Description: Maximum time allowed for periodic transfers per microframe (μs)
21 USB 2.0 sets maximum allowed time for periodic transfers per
27 microseconds of isochronous bandwidth per microframe to work
32 microseconds of periodic bandwidth per microframe.
34 Beware, non-standard modes are usually not thoroughly tested by
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/kernel/linux/linux-5.10/Documentation/virt/
Dguest-halt-polling.rst15 2) The VM-exit cost can be avoided.
25 ("per-cpu guest_halt_poll_ns"), which is adjusted by the algorithm
28 Module Parameters
31 The haltpoll governor has 5 tunable module parameters:
42 Division factor used to shrink per-cpu guest_halt_poll_ns when
49 Multiplication factor used to grow per-cpu guest_halt_poll_ns
50 when event occurs after per-cpu guest_halt_poll_ns
57 The per-cpu guest_halt_poll_ns eventually reaches zero
59 per-cpu guest_halt_poll_ns when growing. This can
70 to avoid it (per-cpu guest_halt_poll_ns will remain
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/kernel/linux/linux-5.10/arch/arm/mach-omap2/
Dcm_common.c1 // SPDX-License-Identifier: GPL-2.0-only
25 * cm_ll_data: function pointers to SoC-specific implementations of
41 * omap2_set_globals_cm - set the CM/CM2 base addresses (for early use)
54 * cm_split_idlest_reg - split CM_IDLEST reg addr into its components
61 * via the @prcm_inst and @idlest_reg_id. Returns -EINVAL upon error,
69 if (!cm_ll_data->split_idlest_reg) { in cm_split_idlest_reg()
70 WARN_ONCE(1, "cm: %s: no low-level function defined\n", in cm_split_idlest_reg()
72 return -EINVAL; in cm_split_idlest_reg()
75 ret = cm_ll_data->split_idlest_reg(idlest_reg, prcm_inst, in cm_split_idlest_reg()
77 *prcm_inst -= cm_base.offset; in cm_split_idlest_reg()
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Dcm3xxx.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * OMAP3xxx CM module functions
6 * Copyright (C) 2008-2010, 2012 Texas Instruments, Inc.
21 #include "cm-regbits-34xx.h"
32 static void _write_clktrctrl(u8 c, s16 module, u32 mask) in _write_clktrctrl() argument
36 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL); in _write_clktrctrl()
39 omap2_cm_write_mod_reg(v, module, OMAP2_CM_CLKSTCTRL); in _write_clktrctrl()
42 static bool omap3xxx_cm_is_clkdm_in_hwsup(s16 module, u32 mask) in omap3xxx_cm_is_clkdm_in_hwsup() argument
46 v = omap2_cm_read_mod_reg(module, OMAP2_CM_CLKSTCTRL); in omap3xxx_cm_is_clkdm_in_hwsup()
53 static void omap3xxx_cm_clkdm_enable_hwsup(s16 module, u32 mask) in omap3xxx_cm_clkdm_enable_hwsup() argument
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/kernel/linux/linux-5.10/include/uapi/sound/
Dsnd_sst_tokens.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
3 * snd_sst_tokens.h - Intel SST tokens definition
22 * %SKL_TKN_UUID: Module UUID
44 * %SKL_TKN_U8_CORE_ID: Stores module affinity value.Can take
50 * %SKL_TKN_U8_MOD_TYPE: Module type value.
52 * %SKL_TKN_U8_CONN_TYPE: Module connection type can be a FE,
58 * %SKL_TKN_U8_DEV_TYPE: Type of device to which the module is
70 * module is connected
79 * %SKL_TKN_U32_MAX_MCPS: Module max mcps value
81 * %SKL_TKN_U32_MEM_PAGES: Module resource pages
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/kernel/linux/linux-5.10/drivers/crypto/allwinner/
DKconfig24 To compile this driver as a module, choose M here: the module
25 will be called sun4i-ss.
32 Select this option if you want to provide kernel-side support for
33 the Pseudo-Random Number Generator found in the Security System.
50 To compile this driver as a module, choose M here: the module
51 will be called sun8i-ce.
54 bool "Enable sun8i-ce stats"
58 Say y to enable sun8i-ce debug stats.
59 This will create /sys/kernel/debug/sun8i-ce/stats for displaying
60 the number of requests per flow and per algorithm.
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/kernel/linux/linux-5.10/tools/perf/pmu-events/arch/x86/goldmontplus/
Dcache.json28 …from the intra-die interconnect (IDI) fabric. The XQ may reject transactions from the L2Q (non-cac…
72 "BriefDescription": "Cycles code-fetch stalled due to an outstanding ICache miss."
108 "BriefDescription": "Load uops retired that split a cache-line (Precise event capable)",
121 "BriefDescription": "Stores uops retired that split a cache-line (Precise event capable)",
134 "BriefDescription": "Memory uops retired that split a cache-line (Precise event capable)",
238 …"BriefDescription": "Memory uop retired where cross core or cross module HITM occurred (Precise ev…
299 …ines true miss for the L2 cache with a snoop miss in the other processor module. Requires MSR_OFF…
309 …s of full cache lines true miss for the L2 cache with a snoop miss in the other processor module.",
314 …ll cache lines miss the L2 cache with a snoop hit in the other processor module, data forwarding i…
324 …ll cache lines miss the L2 cache with a snoop hit in the other processor module, data forwarding i…
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/kernel/linux/linux-5.10/drivers/usb/usbip/
DKconfig1 # SPDX-License-Identifier: GPL-2.0
16 To compile this as a module, choose M here: the module will
17 be called usbip-core.
28 To compile this driver as a module, choose M here: the
29 module will be called vhci-hcd.
32 int "Number of ports per USB/IP virtual host controller"
38 host controller driver, this defines number of ports per
59 To compile this driver as a module, choose M here: the
60 module will be called usbip-host.
70 To compile this driver as a module, choose M here: the
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/kernel/linux/linux-5.10/drivers/mmc/core/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
10 This selects Hardware reset support aka pwrseq-emmc for eMMC
13 This driver can also be built as a module. If so, the module
17 tristate "HW reset support for SD8787 BT + Wifi module"
21 module. By default this option is set to n.
23 This driver can also be built as a module. If so, the module
31 This selects simple hardware reset support aka pwrseq-simple for MMC
34 This driver can also be built as a module. If so, the module
48 int "Number of minors per block device"
53 Number of minors per block device. One is needed for every
/kernel/linux/linux-5.10/drivers/gpu/drm/panel/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
38 TFT-LCD modules. The panel has a 1200x1920 resolution and uses
39 24 bit RGB per pixel. It provides a MIPI DSI interface to
40 the host and has a built-in LED backlight.
57 This driver supports LVDS panels that don't require device-specific
79 KD35T133 controller for 320x480 LCD panels with MIPI-DSI
89 4-lane 800x1280 MIPI DSI panel.
92 tristate "Feiyang FY07024DI26A30-D MIPI-DSI LCD panel"
98 Feiyang FY07024DI26A30-D MIPI-DSI interface.
106 QVGA (320x240) RGB, YUV and ITU-T BT.656 panels.
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/bus/
Darm,integrator-ap-lm.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/bus/arm,integrator-ap-lm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Integrator/AP Logic Module extension bus
10 - Linus Walleij <linusw@kernel.org>
15 determine if a logic module is connected at index 0, 1, 2 or 3. The logic
16 module connector is described in this binding. The logic modules per se
17 then have their own specific per-module bindings and they will be described
18 as subnodes under this logic module extension bus.
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/kernel/linux/linux-5.10/include/drm/
Di915_mei_hdcp_interface.h1 /* SPDX-License-Identifier: (GPL-2.0+) */
3 * Copyright © 2017-2019 Intel Corporation
17 * enum hdcp_port_type - HDCP port implementation type defined by ME FW
19 * @HDCP_PORT_TYPE_INTEGRATED: In-Host HDCP2.x port
33 * enum hdcp_wired_protocol - HDCP adaptation used on the port
57 * enum mei_fw_tc - ME Firmware defined index for transcoders
79 * struct hdcp_port_data - intel specific HDCP port data
80 * @fw_ddi: ddi index as per ME FW
81 * @fw_tc: transcoder index as per ME FW
82 * @port_type: HDCP port type as per ME FW classification
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/timer/
Dnxp,tpm-timer.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/timer/nxp,tpm-timer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NXP Low Power Timer/Pulse Width Modulation Module (TPM)
10 - Dong Aisheng <aisheng.dong@nxp.com>
13 The Timer/PWM Module (TPM) supports input capture, output compare,
22 const: fsl,imx7ulp-tpm
32 - description: SoC TPM ipg clock
33 - description: SoC TPM per clock
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/kernel/linux/linux-5.10/Documentation/devicetree/bindings/clock/
Dti-clkctrl.txt4 interconnect target module. The clkctrl clock controller manages functional
5 and interface clocks for each module. Each clkctrl controller can also
6 gate one or more optional functional clocks for a module, and can have one
8 interconnect target module on omap4 and later variants.
16 Documentation/devicetree/bindings/clock/clock-bindings.txt.
19 - compatible : shall be "ti,clkctrl" or a clock domain specific name:
20 "ti,clkctrl-l4-cfg"
21 "ti,clkctrl-l4-per"
22 "ti,clkctrl-l4-secure"
23 "ti,clkctrl-l4-wkup"
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/kernel/linux/linux-5.10/drivers/crypto/amlogic/
DKconfig15 To compile this driver as a module, choose M here: the module
16 will be called amlogic-gxl-crypto.
23 Say y to enable amlogic-crypto debug stats.
24 This will create /sys/kernel/debug/gxl-crypto/stats for displaying
25 the number of requests per flow and per algorithm.
/kernel/linux/linux-5.10/drivers/scsi/aic7xxx/
DKconfig.aic7xxx1 # SPDX-License-Identifier: GPL-2.0-only
4 # $Id: //depot/linux-aic79xx-2.5.0/drivers/scsi/aic7xxx/Kconfig.aic7xxx#7 $
7 tristate "Adaptec AIC7xxx Fast -> U160 support"
16 To compile this driver as a module, choose M here: the
17 module will be called aic7xxx.
20 int "Maximum number of TCQ commands per device"
24 Specify the number of commands you would like to allocate per SCSI
33 Due to resource allocation issues in the Linux SCSI mid-layer, using
34 a high number of commands per device may result in memory allocation
39 Per device tag depth can be controlled via the kernel command line
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/kernel/linux/linux-5.10/Documentation/core-api/
Dlocal_ops.rst29 Local atomic operations are meant to provide fast and highly reentrant per CPU
34 Having fast per CPU atomic counters is interesting in many cases: it does not
41 CPU writes to the ``local_t`` data. This is done by using per cpu data and
54 ``asm-generic/local.h`` in your architecture's ``local.h`` is sufficient.
66 * Variables touched by local ops must be per cpu variables.
72 different CPU between getting the per-cpu variable and doing the
78 -rt kernels.
105 access to the per cpu variable. For instance::
110 If you are already in a preemption-safe context, you can use
136 Here is a sample module which implements a basic per cpu counter using
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/kernel/linux/linux-5.10/Documentation/networking/
Dnetif-msg.rst1 .. SPDX-License-Identifier: GPL-2.0
10 -------
22 always implemented within +-1 of the specified level. Drivers tended
25 - 0 Minimal messages, only essential information on fatal errors.
26 - 1 Standard messages, initialization status. No run-time messages
27 - 2 Special media selection messages, generally timer-driver.
28 - 3 Interface starts and stops, including normal status messages
29 - 4 Tx and Rx frame error messages, and abnormal driver operation
30 - 5 Tx packet queue information, interrupt events.
31 - 6 Status on each completed Tx packet and received Rx packets
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/kernel/linux/linux-5.10/Documentation/RCU/
Drcubarrier.rst8 RCU (read-copy update) is a synchronization mechanism that can be thought
9 of as a replacement for read-writer locking (among other things), but with
10 very low-overhead readers that are immune to deadlock, priority inversion,
11 and unbounded latency. RCU read-side critical sections are delimited
12 by rcu_read_lock() and rcu_read_unlock(), which, in non-CONFIG_PREEMPT
18 pre-existing readers have finished. These old versions are needed because
20 rather expensive, and RCU is thus best suited for read-mostly situations.
25 pre-existing readers have completed. An updater wishing to delete an
33 But the above code cannot be used in IRQ context -- the call_rcu()
35 rcu_head struct placed within the RCU-protected data structure and
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/kernel/linux/linux-5.10/Documentation/virt/kvm/
Dhalt-polling.rst1 .. SPDX-License-Identifier: GPL-2.0
16 the order of a few micro-seconds, although performance benefits are workload
27 The powerpc kvm-hv specific case is implemented in:
39 kvm_vcpu->halt_poll_ns
41 or in the case of powerpc kvm-hv, in the vcore struct:
43 kvmppc_vcore->halt_poll_ns
45 Thus this is a per vcpu (or vcore) value.
51 the global max polling interval (see module params below), or the total block
59 is multiplied by the module parameters halt_poll_ns_grow and
66 shrink_halt_poll_ns() and is divided by the module parameter
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/kernel/linux/linux-5.10/drivers/media/pci/ddbridge/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
20 - Octopus PCIe Bridge
21 - Octopus mini PCIe Bridge
22 - Octopus LE
23 - DuoFlex S2 Octopus
24 - DuoFlex CT Octopus
25 - cineS2(v6)
26 - CineCTv6 and DuoFlex CT (STV0367-based)
27 - CineCTv7 and DuoFlex CT2/C2T2/C2T2I (Sony CXD28xx-based)
28 - MaxA8 series
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/kernel/linux/linux-5.10/init/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
6 default "/lib/modules/$(shell,uname -r)/.config"
7 default "/etc/kernel-config"
8 default "/boot/config-$(shell,uname -r)"
17 - Re-run Kconfig when the compiler is updated
22 - Ensure full rebuild when the compier is updated
24 fixdep adds include/config/cc/version/text.h into the auto-generated
29 def_bool $(success,echo "$(CC_VERSION_TEXT)" | grep -q gcc)
33 default $(shell,$(srctree)/scripts/gcc-version.sh $(CC)) if CC_IS_GCC
38 default $(shell,$(LD) --version | $(srctree)/scripts/ld-version.sh)
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/kernel/linux/linux-5.10/drivers/md/
DKconfig1 # SPDX-License-Identifier: GPL-2.0-only
29 Software RAID mini-HOWTO, available from
44 a several-second delay in the boot time due to various
54 use the so-called linear mode, i.e. it will combine the hard disk
57 To compile this as a module, choose M here: the module
63 tristate "RAID-0 (striping) mode"
67 use the so-called raid0 mode, i.e. it will combine the hard disk
73 Software-RAID mini-HOWTO, available from
77 To compile this as a module, choose M here: the module
83 tristate "RAID-1 (mirroring) mode"
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/kernel/linux/linux-5.10/drivers/net/wireless/broadcom/brcm80211/brcmsmac/
Dmain.h48 * Usage example, e.g. a three-bit field (bits 4-6):
52 * regval = R_REG(osh, &regs->regfoo);
55 * W_REG(osh, &regs->regfoo, regval);
58 (((unsigned)1 << (width)) - 1)
67 /* max # supported core revisions (0 .. MAXCOREREV - 1) */
76 #define BRCMS_SHORTSLOT_AUTO -1 /* Driver will manage Shortslot setting */
91 #define TXFID_QUEUE_MASK 0x0007 /* Bits 0-2 */
92 #define TXFID_SEQ_MASK 0x7FE0 /* Bits 5-15 */
145 ((uint)((wlc)->band->bandunit ? BAND_2G_INDEX : BAND_5G_INDEX))
152 * gmode_user: user config gmode, operating band->gmode is different.
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/kernel/linux/linux-5.10/drivers/virtio/
Dvirtio_pci_common.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
5 * Virtio PCI driver - APIs for common functionality for all device versions
7 * This module allows virtio devices to be used over a virtual PCI device.
19 #include <linux/module.h>
38 /* MSI-X vector (or none) */
47 /* In legacy mode, these two point to within ->legacy. */
52 /* The IO mapping for the PCI config space (non-legacy mode) */
54 /* Device-specific data (non-legacy mode) */
56 /* Base of vq notifications (non-legacy mode). */
59 /* So we can sanity-check accesses. */
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