| /kernel/linux/linux-6.6/Documentation/filesystems/ |
| D | relay.rst | 1 .. 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
14 clients write into the channel buffers using efficient write
15 functions; these automatically log into the current cpu's channel
19 are associated with the channel buffers using the API described below.
21 The format of the data logged into the channel buffers is completely
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.
[all …]
|
| /kernel/linux/linux-5.10/Documentation/filesystems/ |
| D | relay.rst | 1 .. 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
14 clients write into the channel buffers using efficient write
15 functions; these automatically log into the current cpu's channel
19 are associated with the channel buffers using the API described below.
21 The format of the data logged into the channel buffers is completely
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.
[all …]
|
| /kernel/linux/linux-5.10/include/linux/ |
| D | visorbus.h | 1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2010 - 2013 UNISYS CORPORATION
26 * @CHANNELSRV_UNINITIALIZED: Channel is in an undefined state.
27 * @CHANNELSRV_READY: Channel has been initialized by server.
37 * @CHANNELCLI_DISABLED: Client can see channel but is NOT allowed to use it
41 * @CHANNELCLI_ATTACHED: Idle, but client may want to use channel any time.
42 * @CHANNELCLI_BUSY: Client either wants to use or is using channel.
43 * @CHANNELCLI_OWNED: "No worries" state - client can access channel
57 * a guest can look at the FeatureFlags in the io channel, and configure the
58 * driver to use interrupts or not based on this setting. All feature bits for
[all …]
|
| D | mISDNhw.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
18 * H - hardware driver specific bits
19 * G - for all drivers
34 /* channel->Flags bit field */
35 #define FLG_TX_BUSY 0 /* tx_buf in use */
36 #define FLG_TX_NEXT 1 /* next_skb in use */
39 #define FLG_OPEN 5 /* channel is in use */
40 #define FLG_ACTIVE 6 /* channel is activated */
42 /* channel type */
43 #define FLG_DCHANNEL 8 /* channel is D-channel */
[all …]
|
| /kernel/linux/linux-6.6/include/linux/ |
| D | mISDNhw.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
18 * H - hardware driver specific bits
19 * G - for all drivers
34 /* channel->Flags bit field */
35 #define FLG_TX_BUSY 0 /* tx_buf in use */
36 #define FLG_TX_NEXT 1 /* next_skb in use */
39 #define FLG_OPEN 5 /* channel is in use */
40 #define FLG_ACTIVE 6 /* channel is activated */
42 /* channel type */
43 #define FLG_DCHANNEL 8 /* channel is D-channel */
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/dma/ |
| D | stericsson,dma40.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: ST-Ericsson DMA40 DMA Engine
10 - Linus Walleij <linus.walleij@linaro.org>
13 - $ref: dma-controller.yaml#
16 "#dma-cells":
19 The first cell is the unique device channel number as indicated by this
20 table for DB8500 which is the only ASIC known to use DMA40:
32 10: Multi-Channel Display Engine MCDE RX
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/dma/ |
| D | ste-dma40.txt | 4 - compatible: "stericsson,dma40"
5 - reg: Address range of the DMAC registers
6 - reg-names: Names of the above areas to use during resource look-up
7 - interrupt: Should contain the DMAC interrupt number
8 - #dma-cells: must be <3>
9 - memcpy-channels: Channels to be used for memcpy
12 - dma-channels: Number of channels supported by hardware - if not present
14 - disabled-channels: Channels which can not be used
18 dma: dma-controller@801c0000 {
19 compatible = "stericsson,db8500-dma40", "stericsson,dma40";
[all …]
|
| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-bus-iio-counter-104-quad-8 | 7 Contact: linux-iio@vger.kernel.org
9 This interface is deprecated; please use the Counter subsystem.
16 Contact: linux-iio@vger.kernel.org
18 This interface is deprecated; please use the Counter subsystem.
20 Count mode for channel Y. Four count modes are available:
21 normal, range limit, non-recycle, and modulo-n. The preset value
22 for channel Y is used by the count mode where required.
36 Non-recycle:
37 Counter is disabled whenever a 24-bit count overflow or
38 underflow takes place. The counter is re-enabled when a
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/sound/ |
| D | fsl,ssi.txt | 4 be programmed in AC97, I2S, left-justified, or right-justified modes.
7 - compatible: Compatible list, should contain one of the following
9 fsl,mpc8610-ssi
10 fsl,imx51-ssi
11 fsl,imx35-ssi
12 fsl,imx21-ssi
13 - cell-index: The SSI, <0> = SSI1, <1> = SSI2, and so on.
14 - reg: Offset and length of the register set for the device.
15 - interrupts: <a b> where a is the interrupt number and b is a
21 - fsl,fifo-depth: The number of elements in the transmit and receive FIFOs.
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/sound/ |
| D | fsl,ssi.txt | 4 be programmed in AC97, I2S, left-justified, or right-justified modes.
7 - compatible: Compatible list, should contain one of the following
9 fsl,mpc8610-ssi
10 fsl,imx51-ssi
11 fsl,imx35-ssi
12 fsl,imx21-ssi
13 - cell-index: The SSI, <0> = SSI1, <1> = SSI2, and so on.
14 - reg: Offset and length of the register set for the device.
15 - interrupts: <a b> where a is the interrupt number and b is a
21 - fsl,fifo-depth: The number of elements in the transmit and receive FIFOs.
[all …]
|
| /kernel/linux/linux-5.10/Documentation/driver-api/dmaengine/ |
| D | client.rst | 8 ``Documentation/crypto/async-tx-api.rst``
11 Below is a guide to device driver writers on how to use the Slave-DMA API of the
19 - Allocate a DMA slave channel
21 - Set slave and controller specific parameters
23 - Get a descriptor for transaction
25 - Submit the transaction
27 - Issue pending requests and wait for callback notification
31 1. Allocate a DMA slave channel
33 Channel allocation is slightly different in the slave DMA context,
34 client drivers typically need a channel from a particular DMA
[all …]
|
| /kernel/linux/linux-6.6/Documentation/driver-api/dmaengine/ |
| D | client.rst | 8 ``Documentation/crypto/async-tx-api.rst``
11 Below is a guide to device driver writers on how to use the Slave-DMA API of the
19 - Allocate a DMA slave channel
21 - Set slave and controller specific parameters
23 - Get a descriptor for transaction
25 - Submit the transaction
27 - Issue pending requests and wait for callback notification
31 1. Allocate a DMA slave channel
33 Channel allocation is slightly different in the slave DMA context,
34 client drivers typically need a channel from a particular DMA
[all …]
|
| /kernel/linux/linux-5.10/Documentation/driver-api/rapidio/ |
| D | rio_cm.rst | 19 This driver (RIO_CM) provides to user-space applications shared access to
23 messaging mailboxes in case of multi-packet message (up to 4KB) and
24 up to 64 mailboxes if single-packet messages (up to 256 B) are used. In addition
30 capability to large number of user-space processes by introducing socket-like
32 use the limited RapidIO messaging hardware resources efficiently.
39 Following ioctl commands are available to user-space applications:
41 - RIO_CM_MPORT_GET_LIST:
46 - RIO_CM_EP_GET_LIST_SIZE:
49 - RIO_CM_EP_GET_LIST:
53 - RIO_CM_CHAN_CREATE:
[all …]
|
| /kernel/linux/linux-6.6/Documentation/driver-api/rapidio/ |
| D | rio_cm.rst | 19 This driver (RIO_CM) provides to user-space applications shared access to
23 messaging mailboxes in case of multi-packet message (up to 4KB) and
24 up to 64 mailboxes if single-packet messages (up to 256 B) are used. In addition
30 capability to large number of user-space processes by introducing socket-like
32 use the limited RapidIO messaging hardware resources efficiently.
39 Following ioctl commands are available to user-space applications:
41 - RIO_CM_MPORT_GET_LIST:
46 - RIO_CM_EP_GET_LIST_SIZE:
49 - RIO_CM_EP_GET_LIST:
53 - RIO_CM_CHAN_CREATE:
[all …]
|
| /kernel/linux/linux-5.10/drivers/w1/slaves/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # 1-wire slaves configuration
6 menu "1-wire Slaves"
11 Say Y here if you want to connect 1-wire thermal sensors to your
17 Say Y here if you want to connect 1-wire
23 Say Y or M here if you want to use a DS2405 1-wire
24 single-channel addressable switch.
25 This device can also work as a single-channel
29 tristate "8-Channel Addressable Switch (IO Expander) 0x29 family support (DS2408)"
31 Say Y here if you want to use a 1-wire
[all …]
|
| /kernel/linux/linux-6.6/drivers/w1/slaves/ |
| D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
3 # 1-wire slaves configuration
6 menu "1-wire Slaves"
11 Say Y here if you want to connect 1-wire thermal sensors to your
17 Say Y here if you want to connect 1-wire
23 Say Y or M here if you want to use a DS2405 1-wire
24 single-channel addressable switch.
25 This device can also work as a single-channel
29 tristate "8-Channel Addressable Switch (IO Expander) 0x29 family support (DS2408)"
31 Say Y here if you want to use a 1-wire
[all …]
|
| /kernel/linux/linux-6.6/include/linux/iio/ |
| D | consumer.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
19 * struct iio_channel - everything needed for a consumer to use a channel
20 * @indio_dev: Device on which the channel exists.
21 * @channel: Full description of the channel.
22 * @data: Data about the channel used by consumer.
26 const struct iio_chan_spec *channel; member
31 * iio_channel_get() - get description of all that is needed to access channel.
36 * @consumer_channel: Unique name to identify the channel on the consumer
37 * side. This typically describes the channels use within
44 * iio_channel_release() - release channels obtained via iio_channel_get
[all …]
|
| /kernel/linux/linux-6.6/Documentation/driver-api/ |
| D | edac.rst | 5 ----------------------------------------
8 *sockets, *socket sets*, *banks*, *rows*, *chip-select rows*, *channels*,
35 * Channel
37 A memory controller channel, responsible to communicate with a group of
38 DIMMs. Each channel has its own independent control (command) and data
43 It is typically the highest hierarchy on a Fully-Buffered DIMM memory
52 * Single-channel
55 only. E. g. if the data is 64 bits-wide, the data flows to the CPU using
57 memories. FB-DIMM and RAMBUS use a different concept for channel, so
60 * Double-channel
[all …]
|
| /kernel/linux/linux-5.10/arch/powerpc/boot/dts/fsl/ |
| D | elo3-dma-2.dtsi | 6 * Redistribution and use in source and binary forms, with or without
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 #address-cells = <1>;
37 #size-cells = <1>;
38 compatible = "fsl,elo3-dma";
42 dma-channel@0 {
43 compatible = "fsl,eloplus-dma-channel";
47 dma-channel@80 {
48 compatible = "fsl,eloplus-dma-channel";
[all …]
|
| D | elo3-dma-1.dtsi | 6 * Redistribution and use in source and binary forms, with or without
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 #address-cells = <1>;
37 #size-cells = <1>;
38 compatible = "fsl,elo3-dma";
42 dma-channel@0 {
43 compatible = "fsl,eloplus-dma-channel";
47 dma-channel@80 {
48 compatible = "fsl,eloplus-dma-channel";
[all …]
|
| D | elo3-dma-0.dtsi | 6 * Redistribution and use in source and binary forms, with or without
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 #address-cells = <1>;
37 #size-cells = <1>;
38 compatible = "fsl,elo3-dma";
42 dma-channel@0 {
43 compatible = "fsl,eloplus-dma-channel";
47 dma-channel@80 {
48 compatible = "fsl,eloplus-dma-channel";
[all …]
|
| /kernel/linux/linux-6.6/arch/powerpc/boot/dts/fsl/ |
| D | elo3-dma-1.dtsi | 6 * Redistribution and use in source and binary forms, with or without
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 #address-cells = <1>;
37 #size-cells = <1>;
38 compatible = "fsl,elo3-dma";
42 dma-channel@0 {
43 compatible = "fsl,eloplus-dma-channel";
47 dma-channel@80 {
48 compatible = "fsl,eloplus-dma-channel";
[all …]
|
| D | elo3-dma-0.dtsi | 6 * Redistribution and use in source and binary forms, with or without
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 #address-cells = <1>;
37 #size-cells = <1>;
38 compatible = "fsl,elo3-dma";
42 dma-channel@0 {
43 compatible = "fsl,eloplus-dma-channel";
47 dma-channel@80 {
48 compatible = "fsl,eloplus-dma-channel";
[all …]
|
| D | elo3-dma-2.dtsi | 6 * Redistribution and use in source and binary forms, with or without
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36 #address-cells = <1>;
37 #size-cells = <1>;
38 compatible = "fsl,elo3-dma";
42 dma-channel@0 {
43 compatible = "fsl,eloplus-dma-channel";
47 dma-channel@80 {
48 compatible = "fsl,eloplus-dma-channel";
[all …]
|
| /kernel/linux/linux-5.10/drivers/net/wireless/intel/iwlwifi/fw/api/ |
| D | scan.h | 8 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
9 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
10 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
11 * Copyright(c) 2018 - 2020 Intel Corporation
27 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
31 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
32 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
33 * Copyright(c) 2016 - 2017 Intel Deutschland GmbH
34 * Copyright(c) 2018 - 2020 Intel Corporation
37 * Redistribution and use in source and binary forms, with or without
[all …]
|