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/Documentation/driver-api/early-userspace/
Dbuffer-format.rst29 ALGN(n) means padding with null bytes to an n-byte boundary
44 formats); arbitrary amounts zero bytes (for padding) can be added
58 c_magic 6 bytes The string "070701" or "070702"
59 c_ino 8 bytes File inode number
60 c_mode 8 bytes File mode and permissions
61 c_uid 8 bytes File uid
62 c_gid 8 bytes File gid
63 c_nlink 8 bytes Number of links
64 c_mtime 8 bytes Modification time
65 c_filesize 8 bytes Size of data field
[all …]
/Documentation/ABI/testing/
Ddebugfs-wilco-ec21 bytes will be sent to the EC. Then, you can read the bytes of
24 For writing, bytes 0-1 indicate the message type, one of enum
26 request, starting at MBOX[0]. At least three bytes are required
42 Note that the first 16 bytes of the received MBOX[] will be
43 printed, even if some of the data is junk, and skipping bytes
44 17 to 32. It is up to you to know how many of the first bytes of
Dsysfs-bus-iio-dma-buffer9 This property reports the alignment requirements in bytes.
10 This means that the buffer size in bytes needs to be a integer
14 on the enabled channels and the bytes per channel. This means
17 the alignment requirement reported in bytes by this property
Dsysfs-class-bsr8 register in bytes.
16 (RO) The length of memory region that can be mapped in bytes.
24 (RO) The stride or the interval at which the allocated BSR bytes
Ddebugfs-pfo-nx-crypto29 The total number of bytes encrypted using AES in any of the driver's
36 The total number of bytes hashed by the hardware using SHA-256.
42 The total number of bytes hashed by the hardware using SHA-512.
/Documentation/networking/
Dudplite.rst70 sets the checksum coverage length to 20 bytes (12b data + 8b header).
71 Of each packet only the first 20 bytes (plus the pseudo-header) will be
179 Payload: 1536 bytes Send Buffer: 1024 bytes
180 MTU: 1500 bytes Coverage Length: 856 bytes
182 UDP-Lite will ship the 1536 bytes in two separate packets::
184 Packet 1: 1024 payload + 8 byte header + 20 byte IP header = 1052 bytes
185 Packet 2: 512 payload + 8 byte header + 20 byte IP header = 540 bytes
187 The coverage packet covers the UDP-Lite header and 848 bytes of the
196 Payload: 1024 bytes Send buffer size: 1024 bytes
197 MTU: 300 bytes Coverage length: 575 bytes
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/Documentation/PCI/endpoint/
Dpci-test-howto.rst215 READ ( 1 bytes): OKAY
216 READ ( 1024 bytes): OKAY
217 READ ( 1025 bytes): OKAY
218 READ (1024000 bytes): OKAY
219 READ (1024001 bytes): OKAY
223 WRITE ( 1 bytes): OKAY
224 WRITE ( 1024 bytes): OKAY
225 WRITE ( 1025 bytes): OKAY
226 WRITE (1024000 bytes): OKAY
227 WRITE (1024001 bytes): OKAY
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/Documentation/w1/slaves/
Dw1_ds2423.rst26 Each lines will contain the values of 42 bytes read from the counter and
32 Meaning of 42 bytes represented is following:
35 - 4 bytes for the counter value
36 - 4 zero bytes
37 - 2 bytes for crc16 which was calculated from the data read since the previous crc bytes
38 - 31 remaining bytes from the ram page
/Documentation/ABI/obsolete/
Dsysfs-driver-hid-roccat-ryos5 profile will be read next. The data has to be 3 bytes long.
17 The data has to be 3 bytes long.
26 The data has to be 125 bytes long.
36 in written data. The data has to be 95 bytes long.
46 written data. The data has to be 35 bytes long.
56 in written data. The data has to be 23 bytes long.
66 is included in written data. The data has to be 8 bytes long.
76 in written data. The data has to be 294 bytes long.
87 written data. The data has to be 6 bytes long.
98 The data has to be 16 bytes long.
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Dsysfs-driver-hid-roccat-isku16 The data is 6 bytes long.
26 written data. The data has to be 6 bytes long.
36 in written data. The data has to be 6 bytes long.
46 in written data. The data has to be 65 bytes long.
56 in written data. The data has to be 41 bytes long.
66 written data. The data has to be 35 bytes long.
76 written data. The data has to be 29 bytes long.
86 in written data. The data has to be 23 bytes long.
96 The data has to be 20 bytes long.
104 The data has to be 10 bytes long for Isku, IskuFX needs 16 bytes
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Dsysfs-driver-hid-roccat-konepure9 The data has to be 3 bytes long.
17 profile will be read next. The data has to be 3 bytes long.
26 The data is 6 bytes long.
36 included in written data. The data has to be 2082 bytes long.
47 buttons back to the mouse. The data has to be 59 bytes long.
63 settings back to the mouse. The data has to be 31 bytes long.
76 set. The data has to be 6 bytes long.
84 The data has to be 16 bytes long.
94 The data has to be 4 bytes long.
103 The returned data is 1028 bytes in size.
Dsysfs-driver-hid-roccat-savu9 47 bytes long.
21 profile will be read next. The data has to be 3 bytes long.
33 settings back to the mouse. The data has to be 43 bytes long.
45 The data is 8 bytes long.
54 The data has to be 2083 bytes long.
67 The data has to be 3 bytes long.
76 The data has to be 4 bytes long.
/Documentation/filesystems/
Dromfs.rst15 defunct) filesystems, compiled as module need more than 20000 bytes,
16 while romfs is less than a page, about 4000 bytes (assuming i586
52 is 32 bytes (this is an empty file, with a less than 16 character
55 bytes. This is quite rare however, since most file names are longer
56 than 3 bytes, and shorter than 15 bytes.
64 +---+---+---+---+ The ASCII representation of those bytes
67 8 | full size | The number of accessible bytes in this fs.
69 12 | checksum | The checksum of the FIRST 512 BYTES.
80 The first eight bytes identify the filesystem, even for the casual
82 bytes accessible from the start of this filesystem. The 4th longword
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/Documentation/admin-guide/device-mapper/
Ddm-crypt.rst66 The encryption key size in bytes. The kernel key payload size must match
132 integrity:<bytes>:<type>
133 The device requires additional <bytes> metadata per-sector stored
144 sector_size:<bytes>
145 Use <bytes> as the encryption unit instead of 512 bytes sectors.
146 This option can be in range 512 - 4096 bytes and must be power of two.
151 instead of default 512 bytes sectors.
153 For example, if <sector_size> is 4096 bytes, plain64 IV for the second
155 The <iv_offset> must be multiple of <sector_size> (in 512 bytes units)
/Documentation/devicetree/bindings/dma/
Dqcom_hidma_mgmt.txt14 instance can use like maximum read/write request and number of bytes to
21 - max-write-burst-bytes: Maximum write burst in bytes that HIDMA can
26 - max-read-burst-bytes: Maximum read burst in bytes that HIDMA can
70 max-write-burst-bytes = <1024>;
71 max-read-burst-bytes = <1024>;
/Documentation/staging/
Dlzo.rst27 - a length (number of bytes to copy from dictionary)
35 The first byte of the block follows a different encoding from other bytes, it
41 length, up to 255 may be added in increments by consuming more bytes with a
48 length += 255*(number of zero bytes)
56 Certain encodings involve one extra byte, others involve two extra bytes
70 for the distance, thus requiring 3 bytes.
75 are called under the assumption that a certain number of bytes follow
77 They just have to "refill" this credit if they consume extra bytes. This
106 stream length is at least 5 bytes (length of shortest possible
136 bytes to encode a copy of 2 other bytes but it encodes the number of
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/Documentation/filesystems/ext4/
Dinlinedata.rst9 file is smaller than 60 bytes, then the data are stored inline in
18 inline data, one ought to be able to store 160 bytes of data in a
20 that, the limit was 156 bytes due to inefficient use of inode space.
28 The first four bytes of i\_block are the inode number of the parent
/Documentation/i2c/busses/
Di2c-mlxcpld.rst45 Number of data bytes to write in read transaction
47 Number of address bytes to write in read transaction.
51 DATAx 0xa - 0x54 - 68 bytes data buffer regs.
52 For write transaction address is specified in four first bytes
55 specified in the four first bytes (DATA0 - DATA3). Data is read
/Documentation/devicetree/bindings/reserved-memory/
Dramoops.txt30 - ecc-size: enables ECC support and specifies ECC buffer size in bytes
33 - record-size: maximum size in bytes of each kmsg dump.
36 - console-size: size in bytes of log buffer reserved for kernel messages
39 - ftrace-size: size in bytes of log buffer reserved for function tracing and
42 - pmsg-size: size in bytes of log buffer reserved for userspace messages
/Documentation/sparc/oradax/
Ddax-hv-api.txt123 …CCBs are either 64 or 128 bytes long, depending on the operation type. The exact contents of the C…
203 … Long CCB flag indicates whether the submitted CCB is 64 or 128 bytes long; value is 0 for 64 bytes
204 and 1 for 128 bytes.
231 …The input of the target CCB must start within 64 bytes of the output of the source CCB or the pipe…
256 0x0 Fixed width byte packed Up to 16 bytes
262 … 0x4 Fixed width byte packed with run Up to 16 bytes; data stream of run lengths must be
268 … 0x8 Fixed width byte packed with Up to 16 bytes before the encoding; compressed stream
276 … 0xA Variable width byte packed with Up to 16 bytes before the encoding; compressed stream
288 …0xC Fixed width byte packed with Up to 16 bytes before the encoding; compressed str…
299 If OZIP encoding is used, there must be no reserved bytes in the table.
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/Documentation/userspace-api/media/rc/
Dlirc-read.rst34 Max number of bytes to read
39 :c:func:`read()` attempts to read up to ``count`` bytes from file
62 On success, the number of bytes read is returned. It is not an error if
63 this number is smaller than the number of bytes requested, or the amount
Dlirc-write.rst34 Number of bytes at the buffer
39 :c:func:`write()` writes up to ``count`` bytes to the device
68 On success, the number of bytes written is returned. It is not an error if
69 this number is smaller than the number of bytes requested, or the amount
/Documentation/driver-api/
Dmtdnand.rst367 Hardware ECC generator providing 3 bytes ECC per 256 byte.
371 Hardware ECC generator providing 3 bytes ECC per 512 byte.
375 Hardware ECC generator providing 6 bytes ECC per 512 byte.
379 Hardware ECC generator providing 8 bytes ECC per 512 byte.
417 The ECC bytes must be placed immediately after the data bytes in order
421 remaining free bytes in the oob area are managed by the autoplacement
578 is stored in 4 consecutive bytes in the spare area of the device. The
641 The eccbytes member defines the number of ecc bytes per page.
653 length in bytes. More than one area can be defined. The list is
681 Automatic placement uses the built in defaults to place the ecc bytes in
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/Documentation/driver-api/mtd/
Dnand_ecc.rst22 NAND flash (at least SLC one) typically has sectors of 256 bytes.
32 bytes. This is done by calculating several parity bits over the rows and
58 This figure represents a sector of 256 bytes.
78 - rp0 is the parity of all even bytes (0, 2, 4, 6, ... 252, 254)
79 - rp1 is the parity of all odd bytes (1, 3, 5, 7, ..., 253, 255)
80 - rp2 is the parity of all bytes 0, 1, 4, 5, 8, 9, ...
81 (so handle two bytes, then skip 2 bytes).
82 - rp3 is covers the half rp2 does not cover (bytes 2, 3, 6, 7, 10, 11, ...)
83 - for rp4 the rule is cover 4 bytes, skip 4 bytes, cover 4 bytes, skip 4 etc.
85 so rp4 calculates parity over bytes 0, 1, 2, 3, 8, 9, 10, 11, 16, ...)
[all …]
/Documentation/spi/
Dspi-sc18is602.rst32 The maximum SPI message size supported by SC18IS602/603 is 200 bytes. Attempts
35 200 bytes per SPI message (128 bytes of data per message is recommended). This

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