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/Documentation/driver-api/soundwire/
Dlocking.rst11 - Message lock
26 Message lock
29 SoundWire message transfer lock. This mutex is part of
30 Bus data structure (sdw_bus). This lock is used to serialize the message
38 Message transfer.
40 1. For every message transfer
42 a. Acquire Message lock.
44 b. Transfer message (Read/Write) to Slave1 or broadcast message on
47 c. Release Message lock
59 <-------------------------------+ a. Acquire Message lock
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/Documentation/admin-guide/device-mapper/
Ddm-dust.txt9 the user can send a message to the target to start failing read
79 $ sudo dmsetup message dust1 0 addbadblock 60
82 $ sudo dmsetup message dust1 0 addbadblock 67
85 $ sudo dmsetup message dust1 0 addbadblock 72
97 To enable the "fail read on bad block" behavior, send the "enable" message:
99 $ sudo dmsetup message dust1 0 enable
130 result in an "Invalid argument" error, as well as a helpful message:
132 $ sudo dmsetup message dust1 0 addbadblock 88
133 device-mapper: message ioctl on dust1 failed: Invalid argument
137 result in an "Invalid argument" error, as well as a helpful message:
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/Documentation/sphinx/
Dkernellog.py16 def warn(app, message): argument
18 logger.warning(message)
20 app.warn(message)
22 def verbose(app, message): argument
24 logger.verbose(message)
26 app.verbose(message)
/Documentation/devicetree/bindings/powerpc/fsl/
Dmpic-msgr.txt1 * FSL MPIC Message Registers
4 representation of the message register blocks found in some FSL MPIC
9 - compatible: Specifies the compatibility list for the message register
12 the MPIC containing the message registers.
15 message register block's addressable register space. The type shall be
27 bit at bit 'n' indicates that message register 'n' can receive interrupts.
29 be <u32>. If not present, then all of the message registers in the block
34 An alias should be created for every message register block. They are not
50 // Message registers 0 and 2 in this block can receive interrupts on
59 // Message registers 0 and 2 in this block can receive interrupts on
Dsrio-rmu.txt1 Message unit node:
3 For SRIO controllers that implement the message unit as part of the controller
22 length of the SRIO configuration registers for message units
39 Message Unit:
53 length of the SRIO configuration registers for message units
83 length of the SRIO configuration registers for message units
113 length of the SRIO configuration registers for message units
137 message-unit@0 {
144 message-unit@100 {
/Documentation/media/uapi/cec/
Dcec-ioc-receive.rst20 CEC_RECEIVE, CEC_TRANSMIT - Receive or transmit a CEC message
44 To receive a CEC message the application has to fill in the
50 is non-zero and no message arrived within ``timeout`` milliseconds, then
53 A received message can be:
55 1. a message received from another CEC device (the ``sequence`` field will
60 To send a CEC message the application has to fill in the struct
105 - Timestamp in ns of when the last byte of the message was transmitted.
110 - Timestamp in ns of when the last byte of the message was received.
115 - The length of the message. For :ref:`ioctl CEC_TRANSMIT <CEC_TRANSMIT>` this is filled in
118 filled in by the driver with the length of the reply message if ``reply`` was set.
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Dcec-pin-error-inj.rst50 # <op>[,<mode>] rx-nack NACK the message instead of sending an ACK
52 # <op>[,<mode>] rx-add-byte add a spurious byte to the received CEC message
53 # <op>[,<mode>] rx-remove-byte remove the last byte from the received CEC message
54 # <op>[,<mode>] rx-arb-lost <poll> generate a POLL message to trigger an arbitration lost
65 # <op>[,<mode>] tx-add-bytes <num> append <num> (1-255) spurious bytes to the message
66 # <op>[,<mode>] tx-remove-byte drop the last byte from the message
76 # <op> CEC message opcode (0-255) or 'any'
78 # <bit> CEC message bit (0-159)
80 # <poll> CEC poll message used to test arbitration lost (0x00-0xff, default 0x0f)
106 received or transmitted message, ``always`` to always trigger the error
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Dcec-ioc-g-mode.rst51 When a CEC message is received, then the CEC framework will decide how
52 it will be processed. If the message is a reply to an earlier
53 transmitted message, then the reply is sent back to the filehandle that
56 If the message is not a reply, then the CEC framework will process it
57 first. If there is no follower, then the message is just discarded and a
59 process it. If there is a follower, then the message is passed on to the
61 the new message. The framework expects the follower to make the right
204 Core message processing details:
210 .. flat-table:: Core Message Processing
221 does nothing and this message has to be handled by a follower
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/Documentation/infiniband/
Dtag_matching.rst15 message envelopes may match, the pair that includes the earliest posted-send
21 When a message is sent from the sender to the receiver, the communication
24 this is an expected message, otherwise it is called an unexpected message.
31 1. The Eager protocol- the complete message is sent when the send is
39 A fin message needs to be received in order for the buffer to be reused.
45 unexpected message list. The application posts receive buffers through calls
51 pre-posted receive for this arriving message, it is passed to the software and
52 placed in the unexpected message list. Otherwise the match is processed,
57 When a receive-message is posted, the communication library will first check
58 the software unexpected message list for a matching receive. If a match is
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/Documentation/networking/
Dstrparser.txt21 outside source. Message are parsed and delivered as the sequence is
32 that is called when a full message has been completed.
48 Temporarily pause a stream parser. Message parsing is suspended
76 parser will parse. timeo is timeout for completing a message.
84 buffer and message timeout is the receive timeout for the socket.
99 parse_msg is called to determine the length of the next message
102 next application layer message in the stream.
106 where the message starts in the skb.
110 >0 : indicates length of successfully parsed message
111 0 : indicates more data must be received to parse the message
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Dnetif-msg.txt5 The design of the network interface message level setting.
9 The design of the debugging message interface was guided and
15 integer variable that controls the debug message level. The message
18 The message level was not precisely defined past level 3, but were
30 Initially this message level variable was uniquely named in each driver
40 Per-interface rather than per-driver message level setting.
64 The set of message levels is named
Dkcm.txt4 Kernel Connection Multiplexor (KCM) is a mechanism that provides a message based
42 The multiplexor provides the message steering. In the transmit path, messages
67 Message delineation
70 Messages are sent over a TCP stream with some application protocol message
72 of a received message can be deduced from the application protocol header
75 A TCP stream must be parsed to determine message boundaries. Berkeley Packet
78 a new message and is given an skbuff that contains the bytes received so far.
79 It parses the message header and returns the length of the message. Given this
80 information, KCM will construct the message of the stated length and deliver it
95 KCM limits the maximum receive message size to be the size of the receive
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/Documentation/scsi/
Dhptiop.txt13 0x10 Inbound Message Register 0
14 0x14 Inbound Message Register 1
15 0x18 Outbound Message Register 0
16 0x1C Outbound Message Register 1
28 0x10 Inbound Message Register 0
29 0x14 Inbound Message Register 1
30 0x18 Outbound Message Register 0
31 0x1C Outbound Message Register 1
53 0x10 Inbound Message Register
54 0x14 Outbound Message Register
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/Documentation/driver-api/md/
Dmd-cluster.rst57 2.2 Message passing locks
62 managed through three locks: "token", "message", and "ack", together
63 with the Lock Value Block (LVB) of one of the "message" lock.
76 other nodes to acknowledge the message before proceeding. Only one
77 message can be processed at a time.
79 3.1 Message Types
96 RESYNCING message identifies a range of the devices that the
105 the array. Message contains an identifier for that device. See
112 array. The slot-number of the device is included in the message.
137 3.2.2 message
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/Documentation/driver-api/
Dmessage-based.rst1 Message-based devices
4 Fusion message devices
7 .. kernel-doc:: drivers/message/fusion/mptbase.c
10 .. kernel-doc:: drivers/message/fusion/mptscsih.c
Dconnector.rst12 When the driver receives a special netlink message with the appropriate
40 callback function which will be called when a message with above idx.val
70 msg->seq and msg->ack are used to determine message genealogy. When
71 someone sends a message, they use a locally unique sequence and random
75 The sequence number is incremented with each message sent.
77 If you expect a reply to the message, then the sequence number in the
78 received message MUST be the same as in the original message, and the
81 If we receive a message and its sequence number is not equal to one we
82 are expecting, then it is a new message. If we receive a message and
85 message + 1, then it is a new message.
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/Documentation/crypto/
Dapi-digest.rst1 Message Digest Algorithm Definitions
5 :doc: Message Digest Algorithm Definitions
10 Asynchronous Message Digest API
14 :doc: Asynchronous Message Digest API
28 Synchronous Message Digest API
32 :doc: Synchronous Message Digest API
/Documentation/devicetree/bindings/mailbox/
Dti,message-manager.txt1 Texas Instruments' Message Manager Driver
4 The Texas Instruments' Message Manager is a mailbox controller that has
5 configurable queues selectable at SoC(System on Chip) integration. The Message
10 Message Manager Device Node:
14 - compatible: Shall be: "ti,k2g-message-manager"
24 For ti,k2g-message-manager, this shall contain:
33 compatible = "ti,k2g-message-manager";
/Documentation/devicetree/bindings/net/can/
Dm_can.txt7 registers map and Message RAM
18 - bosch,mram-cfg : Message RAM configuration data.
19 Multiple M_CAN instances can share the same Message
21 number in Message RAM is also configurable,
23 private Message RAM are used by this M_CAN controller.
28 The 'offset' is an address offset of the Message RAM
30 usually set to 0x0 if you're using a private Message
43 Please refer to 2.4.1 Message RAM Configuration in
/Documentation/driver-api/nfc/
Dnfc-pn544.rst19 write functions behave a bit differently because the message formats
26 HCI messages consist of an eight bit header and the message body. The
27 header contains the message length. Maximum size for an HCI message is
30 and third (LSB) bytes of the message. The maximum FW message length is
/Documentation/w1/
Dw1-netlink.rst5 Message types
24 __u8 type - message type.
65 Each connector message can include one or more w1_netlink_msg with
87 Replies to W1_LIST_MASTERS should send a message back to the userspace
97 Each message is at most 4k in size, so if number of master devices
111 [cn_msg, ack = 1 and increasing, 0 means the last message,
119 w1_netlink_cmd->len = N * 8; where N is number of IDs in this message.
142 as request message except that length parameters do not account for data
155 request message (except lengths as described above).
162 even if there were errors, only length mismatch interrupts message processing.
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/Documentation/
Drpmsg.txt63 with the payload of the inbound message).
73 sends a message across to the remote processor on a given channel.
75 and its length (in bytes). The message will be sent on the specified
92 sends a message across to the remote processor on a given channel,
98 The message will then be sent to the remote processor to which the
117 sends a message across to the remote processor, using the src and dst
122 The message will then be sent to the remote processor to which the
139 sends a message across to the remote processor on a given channel.
141 and its length (in bytes). The message will be sent on the specified
156 sends a message across to the remote processor on a given channel,
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/Documentation/media/kapi/
Dcec-core.rst180 To transmit a new message:
186 This transmits a new message. The attempts argument is the suggested number of
190 wait when the line is free before attempting to send a message. This value
191 depends on whether this transmit is a retry, a message from a new initiator or
192 a new message for the same initiator. Most hardware will handle this
240 the message was nacked (for a directed message) or
241 acked (for a broadcast message). A retransmission is needed.
257 could not transmit the message after trying multiple times.
260 doesn't have to make another attempt to transmit the message
282 When a CEC message was received:
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/Documentation/devicetree/bindings/soc/qcom/
Dqcom,aoss-qmp.txt6 SoC has it's own block of message RAM and IRQ for communication with the AOSS.
7 The protocol used to communicate in the message RAM is known as Qualcomm
26 Definition: the base address and size of the message RAM for this
32 Definition: should specify the AOSS message IRQ for this client
66 The following example represents the AOSS side-channel message RAM and the
/Documentation/isdn/
Dinterface_capi.rst68 CAPI's capi_ctr_handle_message() function to pass a received CAPI message to
157 pointer to a callback function for sending a CAPI message to the
168 to accepting or queueing the message. Errors occurring during the
169 actual processing of the message should be signaled with an
170 appropriate reply message.
212 (skb). Each skb contains a single CAPI message coded according to the CAPI 2.0
216 payload data immediately follows the CAPI message itself within the same skb.
218 parameter may be omitted by setting the length field of the CAPI message to 22
227 The _cmsg structure stores the contents of a CAPI 2.0 message in an easily
241 Only those parameters appearing in the message type currently being processed
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