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/linux/include/drm/bridge/
H A Dmhl.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Defines for Mobile High-Definition Link (MHL) interface
9 * Copyright (C) 2013-2014 Silicon Image, Inc.
209 MHL_MSC_MSG = 0x68, /* VS command to send RCP sub-commands */
210 MHL_GET_SC1_ERRORCODE = 0x69, /* Get Vendor-Specific error code */
213 MHL_WRITE_BURST = 0x6C, /* Write 1-16 bytes to responder's scratchpad */
226 MHL_MSC_MSG_RCP = 0x10, /* RCP sub-command */
227 MHL_MSC_MSG_RCPK = 0x11, /* RCP Acknowledge sub-command */
228 MHL_MSC_MSG_RCPE = 0x12, /* RCP Error sub-command */
229 MHL_MSC_MSG_RAP = 0x20, /* Mode Change Warning sub-command */
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/linux/Documentation/userspace-api/netlink/
H A Dnetlink-raw.rst1 .. SPDX-License-Identifier: BSD-3-Clause
8 families such as ``NETLINK_ROUTE`` which use the ``netlink-raw`` protocol
14 The netlink-raw schema extends the :doc:`genetlink-legacy <genetlink-legacy>`
17 information. The raw netlink families also make use of type-specific
18 sub-messages.
21 -------
29 .. code-block:: yaml
31 # SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
33 name: rt-addr
34 protocol: netlink-raw
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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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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.
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/linux/Documentation/sound/designs/
H A Dprocfile.rst15 card-specific files are stored in the ``card*`` subdirectories.
40 ``<card>-<device>: <name>``
44 ``<card>-<device>: <id>: <name> : <sub-streams>``
61 The card-specific files are found in ``/proc/asound/card*`` directories.
81 mapping by writing to this device. Read OSS-Emulation.txt for
104 * bit 0 = Enable XRUN/jiffies debug messages
108 When the bit 0 is set, the driver will show the messages to
123 ``card*/pcm*/sub*/info``
124 The general information of this PCM sub-stream.
126 ``card*/pcm*/sub*/status``
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/linux/Documentation/filesystems/
H A Drelay.rst1 .. SPDX-License-Identifier: GPL-2.0
9 to userspace via user-defined 'relay channels'.
11 A 'relay channel' is a kernel->user data relay mechanism implemented
12 as a set of per-cpu kernel buffers ('channel buffers'), each
25 filtering - this also is left to the kernel client. The purpose is to
30 functions in the relay interface code - please see that for details.
36 sub-buffers. Messages are written to the first sub-buffer until it is
38 the next (if available). Messages are never split across sub-buffers.
40 sub-buffer, while the kernel continues writing to the next.
42 When notified that a sub-buffer is full, the kernel knows how many
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/linux/Documentation/devicetree/bindings/mailbox/
H A Dti,omap-mailbox.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/ti,omap-mailbox.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
35 lines can also be routed to different processor sub-systems on DRA7xx as they
49 within a SoC. The sub-mailboxes (actual communication channels) are
56 "mbox-names" (please see Documentation/devicetree/bindings/mailbox/mailbox.txt
59 phandle to the intended sub-mailbox child node to be used for communication.
60 The equivalent "mbox-names" property value can be used to give a name to the
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/linux/include/uapi/linux/
H A Dnetlink.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
17 #define NETLINK_ISCSI 8 /* Open-iSCSI */
23 #define NETLINK_DNRTMSG 14 /* DECnet routing messages (obsolete) */
24 #define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */
45 * struct nlmsghdr - fixed format metadata header of Netlink messages
99 #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
104 #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
106 NLMSG_ALIGN((nlh)->nlmsg_len)))
108 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
109 (nlh)->nlmsg_len <= (len))
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/linux/drivers/gpu/drm/xe/
H A Dxe_gsc_types.h1 /* SPDX-License-Identifier: MIT */
9 #include <linux/iosys-map.h>
22 * struct xe_gsc - GSC
52 /** @proxy: sub-structure containing the SW proxy-related variables */
62 /** @proxy.to_gsc: map of the memory used to send messages to the GSC */
64 /** @proxy.from_gsc: map of the memory used to recv messages from the GSC */
66 /** @proxy.to_csme: pointer to the memory used to send messages to CSME */
68 /** @proxy.from_csme: pointer to the memory used to recv messages from CSME */
/linux/Documentation/devicetree/bindings/firmware/
H A Darm,scmi.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Sudeep Holla <sudeep.holla@arm.com>
26 - $ref: /schemas/firmware/nxp,imx95-scmi.yaml
34 - description: SCMI compliant firmware with mailbox transport
36 - const: arm,scmi
37 - description: SCMI compliant firmware with ARM SMC/HVC transport
39 - const: arm,scmi-smc
40 - description: SCMI compliant firmware with ARM SMC/HVC transport
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/linux/drivers/mtd/ubi/
H A Ddebug.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
20 __func__, __LINE__, current->pid); \
29 pr_debug("UBI DBG " type " (pid %d): " fmt "\n", current->pid, \
32 /* General debugging messages */
34 /* Messages from the eraseblock association sub-system */
36 /* Messages from the wear-leveling sub-system */
38 /* Messages from the input/output sub-system */
40 /* Initialization and build messages */
56 * The following function is a legacy implementation of UBI fault-injection
64 if (ubi->dbg.emulate_bitflips) in ubi_dbg_bitflip()
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/linux/Documentation/arch/m68k/
H A Dkernel-options.rst9 Author: Roman.Hodek@informatik.uni-erlangen.de (Roman Hodek)
11 Update: jds@kom.auc.dk (Jes Sorensen) and faq@linux-m68k.org (Chris Lawrence)
58 ----------
76 /dev/ram: -> 0x0100 (initial ramdisk)
77 /dev/hda: -> 0x0300 (first IDE disk)
78 /dev/hdb: -> 0x0340 (second IDE disk)
79 /dev/sda: -> 0x0800 (first SCSI disk)
80 /dev/sdb: -> 0x0810 (second SCSI disk)
81 /dev/sdc: -> 0x0820 (third SCSI disk)
82 /dev/sdd: -> 0x0830 (forth SCSI disk)
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/linux/drivers/hv/
H A Dhyperv_vmbus.h1 /* SPDX-License-Identifier: GPL-2.0-only */
31 * Timeout for guest-host handshake for services.
61 /* ------------------------------------------------------ */
78 /* ------------------------------------------------------ */
128 * paravisor) to post a messages to Hyper-V: when such a VM calls
139 * we will manage the tasklet that handles events messages on a per CPU
146 /* We only support running on top of Hyper-V
147 * So at this point this really can only contain the Hyper-V ID
220 * The CPU that Hyper-V will interrupt for VMBUS messages, such as
247 * 2 pages - 1st page for parent->child notification and 2nd
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/linux/tools/usb/usbip/
H A DINSTALL15 more-detailed instructions are generic; see the `README' file for
19 various system-dependent variables used during compilation. It uses
21 It may also create one or more `.h' files containing system-dependent
28 and enabled with `--cache-file=config.cache' or simply `-C') that saves
51 some messages telling which features it is checking for.
55 3. Optionally, type `make check' to run any self-tests that come with
65 also a `make maintainer-clean' target, but that is intended mainly
77 `configure' script does not know about. Run `./configure --help' for
84 ./configure CC=c99 CFLAGS=-g LIBS=-lposix
98 With a non-GNU `make', it is safer to compile the package for one
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/linux/include/linux/
H A Dhyperv.h1 /* SPDX-License-Identifier: GPL-2.0-only */
48 * gva: |-- 64k --|-- 64k --| ... |
59 * gva: |-- 64k --|-- 64k --| ... |-- 64k --|-- 64k --| ... |
69 * index: 0 1 2 ... 16 ... n-15 n-14 n-13 ... 2n-30
76 /* Single-page buffer */
83 /* Multiple-page buffer */
92 * Multiple-page buffer array; the pfn array is variable size:
123 * WS2012/Win8 and later versions of Hyper-V implement interrupt
125 * is set by the host on the host->guest ring buffer, and by the
126 * guest on the guest->host ring buffer.
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/linux/drivers/net/pse-pd/
H A Dpd692x0.c1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/pse-pd/pse.h>
44 u8 sub[3]; member
100 /* Template list of communication messages. The non-null bytes defined here
101 * constitute the fixed portion of the messages. The remaining bytes will
103 * Communication Protocol User Guide" for comprehensive details on messages
109 .sub = {0x07, 0x55, 0x00},
115 .sub = {0x07, 0xd0, 0x4e},
121 .sub = {0x07, 0x1e, 0x21},
127 .sub = {0x05, 0x43},
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/linux/include/linux/i3c/
H A Dccc.h1 /* SPDX-License-Identifier: GPL-2.0 */
30 /* Broadcast-only commands */
36 /* Unicast-only commands */
56 * struct i3c_ccc_events - payload passed to ENEC/DISEC CCC
69 * struct i3c_ccc_mwl - payload passed to SETMWL/GETMWL CCC
73 * The maximum write length is only applicable to SDR private messages or
81 * struct i3c_ccc_mrl - payload passed to SETMRL/GETMRL CCC
86 * The maximum read length is only applicable to SDR private messages or
97 * struct i3c_ccc_dev_desc - I3C/I2C device descriptor used for DEFSLVS
121 * struct i3c_ccc_defslvs - payload passed to DEFSLVS CCC
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/linux/Documentation/devicetree/bindings/pci/
H A Dsnps,dw-pcie-common.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/snps,dw-pcie-common.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jingoo Han <jingoohan1@gmail.com>
11 - Gustavo Pimentel <gustavo.pimentel@synopsys.com>
23 Interface - DBI. In accordance with the reference manual the register
24 configuration space belongs to the Configuration-Dependent Module (CDM)
25 and is split up into several sub-parts Standard PCIe configuration
26 space, Port Logic Registers (PL), Shadow Config-space Registers,
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/linux/drivers/scsi/
H A Dstorvsc_drv.c1 // SPDX-License-Identifier: GPL-2.0-only
24 #include <linux/dma-mapping.h>
135 * Platform neutral description of a scsi request -
161 "Logging level, 0 - None, 1 - Error (default), 2 - Warning.");
171 dev_warn(&(dev)->device, fmt, ##__VA_ARGS__); \
177 dev_warn_ratelimited(&(dev)->device, fmt, ##__VA_ARGS__); \
249 * Revision number is auto-incremented whenever this file is changed
251 * definitely indicate incompatibility--but it does indicate mismatched
266 /* Flags - see below for values */
289 /* Number of sub-channels to create */
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/linux/scripts/dtc/
H A Dof_unittest_expect2 # SPDX-License-Identifier: GPL-2.0
29 sub compare {
40 $expect =~ s/^.*?>>//; # '?' is non-greedy, minimal match
54 if ($got =~ /^[+-]*[0-9]+/) {
55 $got =~ s/^[+-]*[0-9]+//;
60 if ($got =~ /^(0x)*[0-9a-f]+/) {
61 $got =~ s/^(0x)*[0-9a-f]+//;
90 sub usage {
100 -h print program usage
101 --help print program usage
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/linux/include/linux/platform_data/
H A Dwilco-ec.h1 /* SPDX-License-Identifier: GPL-2.0 */
25 * struct wilco_ec_device - Wilco Embedded Controller handle.
34 * @debugfs_pdev: The child platform_device used by the debugfs sub-driver.
35 * @rtc_pdev: The child platform_device used by the RTC sub-driver.
36 * @charger_pdev: Child platform_device used by the charger config sub-driver.
37 * @telem_pdev: The child platform_device used by the telemetry sub-driver.
54 * struct wilco_ec_request - Mailbox request message format.
72 * struct wilco_ec_response - Mailbox response message format.
75 * @result: Result code from the EC. Non-zero indicates an error.
90 * enum wilco_ec_msg_type - Message type to select a set of command codes.
[all …]
/linux/drivers/watchdog/
H A Dintel-mid_wdt.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * intel-mid_wdt: generic Intel MID SCU watchdog driver
6 * - Merrifield only
23 #include <linux/platform_data/x86/intel-mid_wdt.h>
33 /* SCU watchdog messages */
47 wdt_command(struct mid_wdt *mid, int sub, const void *in, size_t inlen, size_t size) in wdt_command() argument
49 struct intel_scu_ipc_dev *scu = mid->scu; in wdt_command()
51 return intel_scu_ipc_dev_command_with_size(scu, IPC_WATCHDOG, sub, in, in wdt_command()
59 int timeout = wd->timeout; in wdt_start()
63 } ipc_wd_start = { timeout - MID_WDT_PRETIMEOUT, timeout }; in wdt_start()
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/linux/drivers/media/usb/stk1160/
H A Dstk1160-i2c.c1 // SPDX-License-Identifier: GPL-2.0-or-later
6 * <elezegarcia--a.t--gmail.com>
10 * <rmthomas--a.t--sciolus.org>
18 #include "stk1160-reg.h"
22 MODULE_PARM_DESC(i2c_debug, "enable debug messages [i2c]");
47 return -ETIMEDOUT; in stk1160_i2c_busy_wait()
63 /* Set i2c device register sub-address */ in stk1160_i2c_write_reg()
95 /* Set i2c device register sub-address */ in stk1160_i2c_read_reg()
130 /* Set device sub-address, we'll chip version reg */ in stk1160_i2c_check_for_device()
142 return -ENODEV; in stk1160_i2c_check_for_device()
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/linux/drivers/net/wireless/ath/ath6kl/
H A Dtarget.h2 * Copyright (c) 2004-2010 Atheros Communications Inc.
161 * Pointer to application-defined area, if any.
175 * General-purpose flag bits, similar to ATH6KL_OPTION_* flags.
182 * display messages on the serial port.
225 u32 hi_num_bpatch_streams; /* 0x70 -- unused */
251 * 0xa8 - [1]: 0 = UART FC active low, 1 = UART FC active high
273 * 0xbc - [31:0]: idle timeout in ms
281 /* If non-zero, override values sent to Host in WMI_READY event. */
286 * Percentage of high priority RX traffic to total expected RX traffic -
320 |------------------------------------------------------------------------------|
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/linux/tools/bpf/bpftool/Documentation/
H A Dbpftool-prog.rst1 .. SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 bpftool-prog
6 -------------------------------------------------------------------------------
8 -------------------------------------------------------------------------------
20 { **-f** | **--bpffs** } | { **-m** | **--mapcompat** } | { **-n** | **--nomount** } |
21 { **-L** | **--use-loader** } }
92 will be disassembled and printed to standard output in human-readable
143 will become device-bound without offloading, this facilitates access to XDP
150 show -f**, only show in **bpftool link show -f**. Also, this only works
174 perf events (see also **bpftool-map**\ (8)).
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