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/Linux-v5.15/Documentation/ABI/testing/
Dsysfs-platform-dfl-fme5 Description: Read-only. One DFL FPGA device may have more than 1
13 Description: Read-only. It returns Bitstream (static FPGA region)
21 Description: Read-only. It returns Bitstream (static FPGA region) meta
29 Description: Read-only. It returns cache size of this FPGA device.
35 Description: Read-only. It returns fabric version of this FPGA device.
43 Description: Read-only. It returns socket_id to indicate which socket
52 Description: Read-Write. Read this file for errors detected on pcie0 link.
61 Description: Read-Write. Read this file for errors detected on pcie1 link.
70 Description: Read-only. It returns non-fatal errors detected.
76 Description: Read-only. It returns catastrophic and fatal errors detected.
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Dsysfs-platform-dfl-port5 Description: Read-only. It returns id of this port. One DFL FPGA device
13 Description: Read-only. User can program different PR bitstreams to FPGA
22 Description: Read-only. It reports the APx (AFU Power) state, different APx
30 Description: Read-write. Read this file for AP1 (AFU Power State 1) event.
38 Description: Read-write. Read this file for AP2 (AFU Power State 2) event.
46 Description: Read-write. Read or set AFU latency tolerance reporting value.
61 Description: Read-only. Read this file to get the status of issued command
75 Description: Read-only. Read this file to get the status of issued command
82 Description: Read-Write. Read this file to get errors detected on port and
93 Description: Read-only. Read this file to get the first error detected by
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Dsysfs-bus-coresight-devices-cti11 Description: (Read) Indicate if the CTI hardware is powered.
17 Description: (Read) Display the associated CTM ID
23 Description: (Read) Number of devices connected to triggers on this CTI
29 Description: (Read) Name of connected device <N>
35 Description: (Read) Input trigger signals from connected device <N>
41 Description: (Read) Functional types for the input trigger signals
48 Description: (Read) Output trigger signals to connected device <N>
54 Description: (Read) Functional types for the output trigger signals
67 Description: (RW) Read or write the CTIINEN register selected by inout_sel.
73 Description: (RW) Read or write the CTIOUTEN register selected by inout_sel.
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Dsysfs-class-power9 Access: Read
18 Access: Read
27 Access: Read
36 Access: Read
58 Access: Read
76 Access: Read
89 Access: Read
98 Access: Read, Write
118 Access: Read
142 Access: Read
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Dsysfs-bus-coresight-devices-etm4x15 Description: (Read) The CPU this tracing entity is associated with.
21 Description: (Read) Indicates the number of PE comparator inputs that are
28 Description: (Read) Indicates the number of address comparator pairs that are
35 Description: (Read) Indicates the number of counters that are available for
42 Description: (Read) Indicates how many external inputs are implemented.
48 Description: (Read) Indicates the number of Context ID comparators that are
55 Description: (Read) Indicates the number of VMID comparators that are available
62 Description: (Read) Indicates the number of sequencer states that are
69 Description: (Read) Indicates the number of resource selection pairs that are
76 Description: (Read) Indicates the number of single-shot comparator controls that
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Dsysfs-bus-coresight-devices-tmc14 Description: (Read) Defines the size, in 32-bit words, of the local RAM buffer.
21 Description: (Read) Shows the value held by the TMC status register. The value
28 Description: (Read) Shows the value held by the TMC RAM Read Pointer register
37 Description: (Read) Shows the value held by the TMC RAM Write Pointer register
46 Description: (Read) Similar to "trigger_cntr" above except that this value is
53 Description: (Read) Shows the value held by the TMC Control register. The value
60 Description: (Read) Shows the value held by the TMC Formatter and Flush Status
68 Description: (Read) Shows the value held by the TMC Formatter and Flush Control
76 Description: (Read) Shows the value held by the TMC Mode register, which
84 Description: (Read) Indicates the capabilities of the Coresight TMC.
Dsysfs-bus-coresight-devices-etb1026 Description: (Read) Defines the depth, in words, of the trace RAM in powers of
33 Description: (Read) Shows the value held by the ETB status register. The value
40 Description: (Read) Shows the value held by the ETB RAM Read Pointer register
49 Description: (Read) Shows the value held by the ETB RAM Write Pointer register
58 Description: (Read) Similar to "trigger_cntr" above except that this value is
65 Description: (Read) Shows the value held by the ETB Control register. The value
72 Description: (Read) Shows the value held by the ETB Formatter and Flush Status
80 Description: (Read) Shows the value held by the ETB Formatter and Flush Control
Dsysfs-firmware-turris-mox-rwtm5 Description: (Read) Board version burned into eFuses of this Turris Mox board.
12 Description: (Read) MAC addresses burned into eFuses of this Turris Mox board.
19 Description: (Read) ECDSA public key (in pubkey hex compressed form) computed
28 Description: (Read) RAM size in MiB of this Turris Mox board as was detected
36 Description: (Read) Serial number burned into eFuses of this Turris Mox device.
Dsysfs-class-power-ltc4162l7 Access: Read
25 Access: Read
35 Access: Read
45 Access: Read
61 Access: Read, Write
80 Access: Read, Write
Dsysfs-driver-intel-m10-bmc5 Description: Read only. Returns the hardware build version of Intel
13 Description: Read only. Returns the firmware version of Intel MAX10
21 Description: Read only. Returns the first MAC address in a block
32 Description: Read only. Returns the number of sequential MAC
Dsysfs-bus-moxtet-devices5 Description: (Read) Moxtet module description. Format: string
11 Description: (Read) Moxtet module ID. Format: %x
17 Description: (Read) Moxtet module name. Format: string
Dsysfs-driver-input-exc30006 Access: Read
15 Access: Read
24 Access: Read
Dsysfs-block-dm6 Read-only string containing mapped device name.
14 Read-only string containing DM-UUID or empty string
24 Otherwise it contains 0. Read-only attribute.
47 Otherwise it contains 0. Read-only attribute.
Ddebugfs-moxtet5 Description: (Read) Read input from the shift registers, in hexadecimal.
23 Description: (RW) Read last written value to the shift registers, in
Dsysfs-bus-dfl-devices-n3000-nios5 Description: Read-only. Returns the FEC mode of the 25G links of the
17 Description: Read-only. Returns the enumeration value of the working mode of
37 Description: Read-only. Returns the enumeration value of the working mode of
45 Description: Read-only. Returns the version of the Nios firmware in the
Dsysfs-driver-hid-prodikeys9 Type: Read/write
19 Type: Read/write
29 Type: Read/Write
Drtc-cdev9 * RTC_RD_TIME, RTC_SET_TIME: Read or set the RTC time. Time
16 * RTC_ALM_READ, RTC_ALM_SET: Read or set the alarm time for
31 * RTC_IRQP_READ, RTC_IRQP_SET: Read or set the frequency for
36 * RTC_VL_READ: Read the voltage inputs status of the RTC when
Dsysfs-bus-siox49 Read-only value. "0" means the Yth device on siox bus X isn't "connected" i.e.
56 Read-only value reporting the inbytes value provided to siox-X/device_add
69 Read-only value reporting the type value provided to siox-X/device_add.
75 Read-only value reporting if the watchdog of the siox device is
83 Read-only value reporting the number to time intervals when the
90 Read-only value reporting the outbytes value provided to siox-X/device_add.
Dsysfs-devices-soc19 Read-only attribute common to all SoCs. Contains the SoC machine
26 Read-only attribute common to all SoCs. Contains SoC family name
57 Read-only attribute supported by most SoCs. Contains the SoC's
64 Read-only attribute supported by most SoCs. In the case of
77 Read-only attribute supported by most SoCs. Contains the SoC's
84 Read-only attribute supported ST-Ericsson's silicon. Contains the
/Linux-v5.15/tools/perf/Documentation/
Dperf-iostat.txt18 - Inbound Read - I/O devices below root port read from the host memory, in MB
22 - Outbound Read - CPU reads from I/O devices below root port, in MB
61 … port Inbound Read(MB) Inbound Write(MB) Outbound Read(MB) Outbound Write(MB)
80 … port Inbound Read(MB) Inbound Write(MB) Outbound Read(MB) Outbound Write(MB)
/Linux-v5.15/Documentation/sound/cards/
Dhdspm.rst125 * Access -- Read Write
141 * Access -- Read Write
159 * Access -- Read Write
178 * Access -- Read Write
195 * Access -- Read Write
207 * Access -- Read Write
220 * Access -- Read Write
235 * Access -- Read Write
255 * Access -- Read Write
270 * Access -- Read-only
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/Linux-v5.15/Documentation/i2c/
Dsmbus-protocol.rst40 Rd/Wr (1 bit) Read/Write bit. Rd equals 1, Wr equals 0.
95 SMBus Read Byte
108 SMBus Read Word
113 This operation is very like Read Byte; again, data is read from a
133 the Read Byte operation.
147 This is the opposite of the Read Word operation. 16 bits
172 SMBus Block Read
194 The opposite of the Block Read command, this writes up to 32 bytes to
205 SMBus Block Write - Block Read Process Call
208 SMBus Block Write - Block Read Process Call was introduced in
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/Linux-v5.15/drivers/isdn/hardware/mISDN/
Diohelper.h26 static u8 Read##name##_IO(void *p, u8 off) { \
44 static u8 Read##name##_IND(void *p, u8 off) { \
66 static u8 Read##name##_MIO(void *p, u8 off) { \
86 dest.read_reg = &Read##name##_##typ; \
/Linux-v5.15/Documentation/ABI/stable/
Dsysfs-bus-firewire7 Read-only. Mutable during the node device's lifetime.
26 Read-only. Mutable during the node device's lifetime.
48 Read-only and immutable.
60 Read-only. Immutable during the unit device's lifetime.
78 Read-only. Mutable during the node device's lifetime.
126 Read-only attribute, immutable during the target's lifetime.
/Linux-v5.15/Documentation/devicetree/bindings/mtd/
Dlpc32xx-slc.txt18 - nxp,rwidth: Read pulse width (R_WIDTH)
19 - nxp,rhold: Read hold time (R_HOLD)
20 - nxp,rsetup: Read setup time (R_SETUP)

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