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/linux/Documentation/netlink/specs/
H A Drt-link.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 name: rt-link
4 protocol: netlink-raw
5 uapi-header: linux/rtnetlink.h
12 -
13 name: ifinfo-flags
16 enum-name: net-device-flags
17 name-prefix: iff-
19 -
21 -
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H A Dnfsd.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
5 uapi-header: linux/nfsd_netlink.h
9 attribute-sets:
10 -
11 name: rpc-status
13 -
16 byte-order: big-endian
17 -
20 -
23 -
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H A Dovs_flow.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
5 protocol: genetlink-legacy
6 uapi-header: linux/openvswitch.h
12 -
13 name: ovs-header
18 -
19 name: dp-ifindex
24 -
25 name: ovs-flow-stats
28 -
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H A Dtcp_metrics.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
5 protocol: genetlink-legacy
10 c-family-name: tcp-metrics-genl-name
11 c-version-name: tcp-metrics-genl-version
12 max-by-define: true
13 kernel-policy: global
16 -
17 name: tcp-fastopen-cookie-max
21 attribute-sets:
22 -
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H A Dtc.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
4 protocol: netlink-raw
5 uapi-header: linux/pkt_cls.h
13 -
18 -
21 -
25 -
28 -
31 -
34 -
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H A Dconntrack.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
4 protocol: netlink-raw
11 -
15 -
16 name: nfgen-family
18 -
21 -
22 name: res-id
23 byte-order: big-endian
25 -
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/linux/Documentation/netlink/
H A Dnetlink-raw.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 ---
4 $id: http://kernel.org/schemas/netlink/netlink-raw.yaml#
5 $schema: https://json-schema.org/draft-07/schema
11 pattern: ^[0-9a-z-]+$
12 name-cap:
14 pattern: ^[0-9a-zA-Z-]+$
18 len-or-define:
20 pattern: ^[0-9A-Za-z_-]+( - 1)?$
27 required: [ name, doc, attribute-sets, operations ]
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H A Dgenetlink-legacy.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 ---
4 $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml#
5 $schema: https://json-schema.org/draft-07/schema
11 pattern: ^[0-9a-z-]+$
15 len-or-define:
17 pattern: ^[0-9A-Za-z_-]+( - 1)?$
19 len-or-limit:
20 # literal int, const name, or limit based on fixed-width type
21 # e.g. u8-min, u16-max, etc.
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H A Dgenetlink.yaml1 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
3 ---
4 $id: http://kernel.org/schemas/netlink/genetlink-legacy.yaml#
5 $schema: https://json-schema.org/draft-07/schema
11 pattern: ^[0-9a-z-]+$
15 len-or-define:
17 pattern: ^[0-9A-Za-z_-]+( - 1)?$
19 len-or-limit:
20 # literal int, const name, or limit based on fixed-width type
21 # e.g. u8-min, u16-max, etc.
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/linux/drivers/gpu/drm/msm/
H A DNOTES4 display controller blocks at play:
5 + MDP3 - ?? seems to be what is on geeksphone peak device
6 + MDP4 - S3 (APQ8060, touchpad), S4-pro (APQ8064, nexus4 & ifc6410)
7 + MDP5 - snapdragon 800
9 (I don't have a completely clear picture on which display controller
19 display controller blocks. And I for sure don't want to have to deal
20 with N different kms devices from xf86-video-freedreno. Plus, it
26 'struct msm_kms' implementations, depending on display controller.
27 And one or more 'struct msm_gpu' for the various different gpu sub-
38 plane -> PIPE{RGBn,VGn} \
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/linux/drivers/gpu/drm/arm/display/komeda/
H A Dkomeda_dev.h1 /* SPDX-License-Identifier: GPL-2.0 */
93 * initialize &komeda_dev->format_table, this function should be called
103 /** @cleanup: call to chip to cleanup komeda_dev->chip data */
129 * Notify HW to switch to a new display operation mode.
138 * DISPLAY_MODE describes how many display been enabled, and which will be
139 * passed to CHIP by &komeda_dev_funcs->change_opmode(), then CHIP can do the
140 * pipeline resources assignment according to this usage hint.
141 * - KOMEDA_MODE_DISP0: Only one display enabled, pipeline-0 work as master.
142 * - KOMEDA_MODE_DISP1: Only one display enabled, pipeline-0 work as master.
143 * - KOMEDA_MODE_DUAL_DISP: Dual display mode, both display has been enabled.
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/linux/Documentation/fb/
H A Dmodedb.rst9 - one routine to probe for video modes, which can be used by all frame buffer
11 - one generic video mode database with a fair amount of standard videomodes
13 - the possibility to supply your own mode database for graphics hardware that
14 needs non-standard modes, like amifb and Mac frame buffer drivers (which
23 <xres>x<yres>[M][R][-<bpp>][@<refresh>][i][m][eDd]
24 <name>[-<bpp>][@<refresh>]
31 - NSTC: 480i output, with the CCIR System-M TV mode and NTSC color encoding
32 - NTSC-J: 480i output, with the CCIR System-M TV mode, the NTSC color
34 - PAL: 576i output, with the CCIR System-B TV mode and PAL color encoding
35 - PAL-M: 480i output, with the CCIR System-M TV mode and PAL color encoding
[all …]
H A Duvesafb.rst2 uvesafb - A Generic Driver for VBE2+ compliant video cards
6 ---------------
30 --------------------------
36 - Lack of any type of acceleration.
37 - A strict and limited set of supported video modes. Often the native
42 ratio, which is what most BIOS-es are limited to.
43 - Adjusting the refresh rate is only possible with a VBE 3.0 compliant
44 Video BIOS. Note that many nVidia Video BIOS-es claim to be VBE 3.0
48 ----------------
54 video=uvesafb:1024x768-32,mtrr:3,ywrap (compiled into the kernel)
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/linux/fs/exfat/
H A Dexfat_fs.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * Copyright (C) 2012-2013 Samsung Electronics Co., Ltd.
50 (ES_IDX_FIRST_FILENAME + EXFAT_FILENAME_ENTRY_NUM(name_len) - 1)
76 #define MAX_CHARSET_SIZE 6 /* max size of multi-byte character */
80 #define EXFAT_HINT_NONE -1
86 #define EXFAT_CLU_TO_B(b, sbi) ((b) << (sbi)->cluster_size_bits)
87 #define EXFAT_B_TO_CLU(b, sbi) ((b) >> (sbi)->cluster_size_bits)
89 (((b - 1) >> (sbi)->cluster_size_bits) + 1)
90 #define EXFAT_CLU_OFFSET(off, sbi) ((off) & ((sbi)->cluster_size - 1))
95 #define EXFAT_BLK_TO_B(b, sb) ((b) << (sb)->s_blocksize_bits)
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/linux/tools/testing/selftests/powerpc/dexcr/
H A Ddexcr.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
17 #define DEXCR_PR_BIT(aspect) __MASK(63 - (32 + (aspect)))
31 const char *name; /* Short display name */
42 .desc = "Speculative branch hint enable",
63 .desc = "Non-privileged hash instruction enable",
72 .prctl = -1,
/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
48 The LCD is divided and organised as a 3 line display::
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/linux/tools/include/uapi/drm/
H A Ddrm.h94 * backwards-compatibility reasons.
125 * The lock structure is a simple cache-line aligned integer. To avoid
146 char __user *date; /**< User-space buffer to hold date */
148 char __user *desc; /**< User-space buffer to hold desc */
162 int count; /**< Length of user-space structures */
201 _DRM_RESTRICTED = 0x01, /**< Cannot be mapped to user-virtual */
205 _DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
227 void *handle; /**< User-space: "Handle" to pass to mmap() */
228 /**< Kernel-space: kernel-virtual address */
254 _DRM_STAT_COUNT, /**< Generic non-byte counter (1000/k) */
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/linux/drivers/usb/misc/sisusbvga/
H A Dsisusb.h1 /* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
3 * sisusb - usb kernel driver for Net2280/SiS315 based USB2VGA dongles
72 * the data has to be prepared properly. (Hint:
83 p->header = cpu_to_le16(p->header); \
84 p->address = cpu_to_le32(p->address); \
85 p->data = cpu_to_le32(p->data); \
93 struct sisusb_urb_context { /* urb->context for outbound bulk URBs */
148 #define SISUSB_EP_UNKNOWN_04 0x04 /* ? 4 is "OUT" ? - unused */
214 #define SISCOLIDXR SISUSB_PCI_IOPORTBASE + COLREGOFFSET - 1
271 #define SUCMD_SETMODE 0x09 /* Set a display mode (data3 = SiS mode) */
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/linux/tools/power/x86/x86_energy_perf_policy/
H A Dx86_energy_perf_policy.81 .\" This page Copyright (C) 2010 - 2015 Len Brown <len.brown@intel.com>
5 x86_energy_perf_policy \- Manage Energy vs. Performance Policy via x86 Model Specific Registers
10 .RB "scope: \-\-cpu\ cpu-list | \-\-pkg\ pkg-list"
12 .RB "cpu-list, pkg-list: # | #,# | #-# | all"
14 .RB "field: \-\-all | \-\-epb | \-\-hwp-epp | \-\-hwp-min | \-\-hwp-max | \-\-hwp-desired"
16 .RB "other: (\-\-force | \-\-hwp-enable | \-\-turbo-enable) value)"
18 .RB "value: # | default | performance | balance-performance | balance-power | power"
21 displays and updates energy-performance policy settings specific to
23 updates, no matter if the Linux cpufreq sub-system is enabled or not.
27 such as how aggressively the hardware enters and exits CPU idle states (C-states)
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/linux/Documentation/userspace-api/netlink/
H A Dgenetlink-legacy.rst1 .. SPDX-License-Identifier: BSD-3-Clause
9 the ``genetlink-legacy`` protocol level.
15 -------
29 --------------------
31 New Netlink families should use ``multi-attr`` to define arrays.
35 For reference the ``multi-attr`` array may look like this::
37 [ARRAY-ATTR]
41 [SOME-OTHER-ATTR]
42 [ARRAY-ATTR]
47 where ``ARRAY-ATTR`` is the array entry type.
[all …]
H A Dspecs.rst1 .. SPDX-License-Identifier: BSD-3-Clause
17 - the C uAPI header
18 …- documentation of the protocol as a ReST file - see :ref:`Documentation/networking/netlink_spec/i…
19 - policy tables for input attribute validation
20 - operation tables
25 See :doc:`intro-specs` for a practical starting guide.
28 ``((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)``
40 - ``genetlink`` - most streamlined, should be used by all new families
41 - ``genetlink-c`` - superset of ``genetlink`` with extra attributes allowing
45 - ``genetlink-legacy`` - Generic Netlink catch all schema supporting quirks of
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/linux/tools/kvm/kvm_stat/
H A Dkvm_stat2 # SPDX-License-Identifier: GPL-2.0-only
4 # top-like utility for displaying kvm statistics
6 # Copyright 2006-2008 Qumranet Technologies
7 # Copyright 2008-2011 Red Hat, Inc.
15 - as a top-like text ui
16 - in a key -> value format
17 - in an all keys, all values format
493 Used to set up performance events, returns a file descriptor or -1
497 - syscall number
498 - struct perf_event_attr *
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/linux/drivers/platform/x86/amd/pmc/
H A Dpmc.c1 // SPDX-License-Identifier: GPL-2.0-or-later
8 * Author: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
36 {"DISPLAY", BIT(0)},
64 {"DISPLAY", BIT(0)},
96 return ioread32(dev->regbase + reg_offset); in amd_pmc_reg_read()
101 iowrite32(val, dev->regbase + reg_offset); in amd_pmc_reg_write()
106 switch (dev->cpu_id) { in amd_pmc_get_ip_info()
111 dev->num_ips = 12; in amd_pmc_get_ip_info()
112 dev->ips_ptr = soc15_ip_blk; in amd_pmc_get_ip_info()
113 dev->smu_msg = 0x538; in amd_pmc_get_ip_info()
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/linux/Documentation/userspace-api/media/v4l/
H A Dext-ctrls-camera.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
3 .. _camera-controls:
13 .. _camera-control-id:
23 .. _v4l2-exposure-auto-type:
28 enum v4l2_exposure_auto_type -
37 .. flat-table::
38 :header-rows: 0
39 :stub-columns: 0
41 * - ``V4L2_EXPOSURE_AUTO``
42 - Automatic exposure time, automatic iris aperture.
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/linux/Documentation/scheduler/
H A Dsched-util-clamp.rst1 .. SPDX-License-Identifier: GPL-2.0
25 The right way to view util clamp is as a mechanism to make request or hint on
44 performance point required by its display pipeline to ensure no frame is
57 foreground, top-app, etc. Util clamp can be used to constrain how much
60 the ones belonging to the currently active app (top-app group). Beside this
65 1. The big cores are free to run top-app tasks immediately. top-app
106 Note that by design RT tasks don't have per-task PELT signal and must always
114 See :ref:`section 3.4 <uclamp-default-values>` for default values and
115 :ref:`3.4.1 <sched-util-clamp-min-rt-default>` on how to change RT tasks
150 task on the rq to only a subset of tasks on the top-most bucket.
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