Searched +full:scatter +full:- +full:gather (Results 1 – 25 of 50) sorted by relevance
12
| /Documentation/driver-api/fpga/ |
| D | fpga-mgr.rst | 5 --------
13 The FPGA image to be programmed can be in a scatter gather list, a single
15 memory for the buffer should be avoided, users are encouraged to use a scatter
16 gather list instead if possible.
20 FPGA image as well as image-specific particulars such as whether the image was
24 --------------------------------
39 struct device *dev = &pdev->dev;
46 return -ENOMEM;
97 whole buffer will be passed into .parse_header. If image is in scatter-gather
100 size into info->header_size and return -EAGAIN, then it will be called again
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| D | fpga-programming.rst | 1 In-kernel API for FPGA Programming
5 --------
7 The in-kernel API for FPGA programming is a combination of APIs from
18 * program the FPGA using info passed in :c:expr:`fpga_region->info`.
19 * re-enable the bridges
27 -------------------------------------
34 #include <linux/fpga/fpga-mgr.h>
35 #include <linux/fpga/fpga-region.h>
46 return -ENOMEM;
49 info->flags = FPGA_MGR_PARTIAL_RECONFIG;
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| D | fpga-region.rst | 5 --------
16 Currently the only layer above fpga-region.c in the kernel is the Device Tree
17 support (of-fpga-region.c) described in [#f1]_. The DT support layer uses regions
22 An fpga-region can be set up to know the following things:
31 * pointers to the image as either a scatter-gather buffer, a contiguous
38 ----------------------------
42 .. [#f1] ../devicetree/bindings/fpga/fpga-region.txt
43 .. [#f2] ../../drivers/fpga/of-fpga-region.c
46 ----------------------------
48 * struct fpga_region - The FPGA region struct
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| /Documentation/scsi/ |
| D | st.rst | 1 .. SPDX-License-Identifier: GPL-2.0
23 flexible method and applicable to single-user workstations. However,
32 drive performs auto-detection of the tape format well (like some
33 QIC-drives). The result is that any tape can be read, writing can be
37 does not perform auto-detection well enough and there is a single
40 or not :-).
57 between formats in multi-tape operations (the explicitly overridden
72 limits). Both the auto-rewind (minor equals device number) and
73 non-rewind devices (minor is 128 + device number) are implemented.
128 dev_upper non-rew mode dev-lower
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| D | ChangeLog.ips | 4 5.00.01 - Sarasota ( 5i ) adapters must always be scanned first
5 - Get rid on IOCTL_NEW_COMMAND code
6 - Add Extended DCDB Commands for Tape Support in 5I
8 4.90.11 - Don't actually RESET unless it's physically required
9 - Remove unused compile options
11 4.90.08 - Data Corruption if First Scatter Gather Element is > 64K
13 4.90.08 - Increase Delays in Flashing ( Trombone Only - 4H )
15 4.90.05 - Use New PCI Architecture to facilitate Hot Plug Development
17 4.90.01 - Add ServeRAID Version Checking
19 4.80.26 - Clean up potential code problems ( Arjan's recommendations )
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| D | dpti.rst | 1 .. SPDX-License-Identifier: GPL-2.0
30 non-Linux driver. Mark Salyzyn and Bob Pasteur consulted on the original
41 V2.0 Rewrite of driver. Re-architectured based on i2o subsystem.
49 - Added Raptor Support
50 - Fixed bug causing system to hang under extreme load with
51 - management utilities running (removed GFP_DMA from kmalloc flags)
57 - Implemented suggestions from Alan Cox
58 - Added calculation of resid for sg layer
59 - Better error handling
60 - Added checking underflow conditions
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| D | libsas.rst | 1 .. SPDX-License-Identifier: GPL-2.0
47 ------------------
75 - must be set (0/1)
78 - must be set [0,MAX_PHYS)]
81 - must be set
84 - you set this when OOB has finished and then notify
88 - this normally points to an array holding the sas
93 - set this when you (LLDD) receive an
103 - this is where you copy the IDENTIFY/FIS frame
112 - this is where primitives go when they're
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| /Documentation/devicetree/bindings/dma/ |
| D | altr,msgdma.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Olivier Dautricourt <olivierdautricourt@gmail.com>
13 Altera / Intel modular Scatter-Gather Direct Memory Access (mSGDMA)
17 - $ref: dma-controller.yaml#
21 const: altr,socfpga-msgdma
25 - description: Control and Status Register Slave Port
26 - description: Descriptor Slave Port
27 - description: Response Slave Port (Optional)
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| D | fsl-qdma.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/dma/fsl-qdma.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Frank Li <Frank.Li@nxp.com>
15 - const: fsl,ls1021a-qdma
16 - items:
17 - enum:
18 - fsl,ls1028a-qdma
19 - fsl,ls1043a-qdma
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| D | fsl,edma.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 memory-mapped registers. channels are split into two groups, called
16 - Peng Fan <peng.fan@nxp.com>
21 - enum:
22 - fsl,vf610-edma
23 - fsl,imx7ulp-edma
24 - fsl,imx8qm-edma
25 - fsl,imx8ulp-edma
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| /Documentation/driver-api/dmaengine/ |
| D | provider.rst | 20 DMA-eligible devices to the controller itself. Whenever the device
44 transfer into smaller sub-transfers.
49 non-contiguous buffers to a contiguous buffer, which is called
50 scatter-gather.
53 scatter-gather. So we're left with two cases here: either we have a
56 that implements in hardware scatter-gather.
79 These were just the general memory-to-memory (also called mem2mem) or
80 memory-to-device (mem2dev) kind of transfers. Most devices often
98 documentation file in Documentation/crypto/async-tx-api.rst.
104 ------------------------------------
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| D | pxa_dma.rst | 2 PXA/MMP - DMA Slave controller
22 at the time of irq/dma tx2 is already finished, tx1->complete() and
23 tx2->complete() should be called.
36 A driver should be able to request a priority, especially the real-time
46 b) Transfer anatomy for a scatter-gather transfer
50 +------------+-----+---------------+----------------+-----------------+
51 | desc-sg[0] | ... | desc-sg[last] | status updater | finisher/linker |
52 +------------+-----+---------------+----------------+-----------------+
54 This structure is pointed by dma->sg_cpu.
57 - desc-sg[i]: i-th descriptor, transferring the i-th sg
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| 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
40 .. code-block:: c
66 .. code-block:: c
79 DMA-engine are:
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| /Documentation/devicetree/bindings/arm/ |
| D | arm,coresight-tmc.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
3 ---
4 $id: http://devicetree.org/schemas/arm/arm,coresight-tmc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Mathieu Poirier <mathieu.poirier@linaro.org>
11 - Mike Leach <mike.leach@linaro.org>
12 - Leo Yan <leo.yan@linaro.org>
13 - Suzuki K Poulose <suzuki.poulose@arm.com>
32 const: arm,coresight-tmc
34 - compatible
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| /Documentation/arch/x86/x86_64/ |
| D | boot-options.rst | 1 .. SPDX-License-Identifier: GPL-2.0
39 Do not opt-in to Local MCE delivery. Use legacy method
55 Don't overwrite the bios-set CMCI threshold. This boot option
62 Force-enable recoverable machine check code paths
73 Use IO-APIC. Default
76 Don't use the IO-APIC.
85 See Documentation/arch/x86/i386/IO-APIC.rst
91 Don't check the IO-APIC timer. This can work around
154 There are some built-in platform specific "quirks" - you may see:
157 newer BIOS, or newer board) using this option will ignore the built-in
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| /Documentation/networking/ |
| D | driver.rst | 1 .. SPDX-License-Identifier: GPL-2.0
11 ------------------
21 ----------
28 Auto-close
29 ----------
38 ----------------------
46 for a driver implementing scatter-gather this means:
48 .. code-block:: c
52 u32 used = READ_ONCE(dr->prod) - READ_ONCE(dr->cons);
54 return dr->tx_ring_size - (used & bp->tx_ring_mask);
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| /Documentation/networking/device_drivers/ethernet/3com/ |
| D | vortex.rst | 1 .. SPDX-License-Identifier: GPL-2.0
20 - Andrew Morton
21 - Netdev mailing list <netdev@vger.kernel.org>
22 - Linux kernel mailing list <linux-kernel@vger.kernel.org>
28 Since kernel 2.3.99-pre6, this driver incorporates the support for the
29 3c575-series Cardbus cards which used to be handled by 3c575_cb.c.
33 - 3c590 Vortex 10Mbps
34 - 3c592 EISA 10Mbps Demon/Vortex
35 - 3c597 EISA Fast Demon/Vortex
36 - 3c595 Vortex 100baseTx
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| /Documentation/driver-api/rapidio/ |
| D | tsi721.rst | 2 RapidIO subsystem mport driver for IDT Tsi721 PCI Express-to-SRIO bridge.
10 doorbells, inbound maintenance port-writes and RapidIO messaging.
23 - 'dbg_level'
24 - This parameter allows to control amount of debug information
32 - 'dma_desc_per_channel'
33 - This parameter defines number of hardware buffer
37 - 'dma_txqueue_sz'
38 - DMA transactions queue size. Defines number of pending
42 - 'dma_sel'
43 - DMA channel selection mask. Bitmask that defines which hardware
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| /Documentation/core-api/ |
| D | dma-api.rst | 8 of the API (and actual examples), see Documentation/core-api/dma-api-howto.rst.
11 Part II describes extensions for supporting non-consistent memory
13 non-consistent platforms (this is usually only legacy platforms) you
16 Part I - dma_API
17 ----------------
19 To get the dma_API, you must #include <linux/dma-mapping.h>. This
27 Part Ia - Using large DMA-coherent buffers
28 ------------------------------------------
76 Part Ib - Using small DMA-coherent buffers
77 ------------------------------------------
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| /Documentation/networking/device_drivers/ethernet/altera/ |
| D | altera_tse.rst | 1 .. SPDX-License-Identifier: GPL-2.0
6 Altera Triple-Speed Ethernet MAC driver
9 Copyright |copy| 2008-2014 Altera Corporation
11 This is the driver for the Altera Triple-Speed Ethernet (TSE) controllers
24 The Triple-Speed Ethernet, SGDMA, and MSGDMA components are all soft IP
31 Triple-Speed Ethernet instance is using an SGDMA or MSGDMA component. The
36 The SGDMA component is to be deprecated in the near future (over the next 1-2
46 Scatter-gather DMA is not supported by the SGDMA or MSGDMA at this time.
47 Scatter-gather DMA will be added to a future maintenance update to this
60 Device Drivers ---> Network device support ---> Ethernet driver support --->
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| /Documentation/driver-api/pci/ |
| D | p2pdma.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 PCI Peer-to-Peer DMA Support
9 called Peer-to-Peer (or P2P). However, there are a number of issues that
36 * Provider - A driver which provides or publishes P2P resources like
38 * Client - A driver which makes use of a resource by setting up a
40 * Orchestrator - A driver which orchestrates the flow of data between
67 ----------------
84 --------------
92 --------------------
112 allocating scatter-gather lists with P2P memory.
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| /Documentation/userspace-api/media/v4l/ |
| D | userp.rst | 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
21 data are exchanged, these pointers and meta-information are passed in
23 :c:type:`v4l2_plane` in the multi-planar API case). The
33 .. code-block:: c
41 if (ioctl (fd, VIDIOC_REQBUFS, &reqbuf) == -1) {
74 application waits until a filled buffer can be dequeued, and re-enqueues
85 <func-select>` or :c:func:`poll()` function are always
109 Anyway, the process of swapping, locking or generating scatter-gather
|
| /Documentation/arch/m68k/ |
| D | kernel-options.rst | 9 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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|
| /Documentation/ABI/stable/ |
| D | sysfs-block | 7 with 4KB physical sectors exposing 512-byte logical
35 power-of-two and atomic_write_unit_max_bytes may also be
37 This parameter - along with atomic_write_unit_min_bytes
38 and atomic_write_unit_max_bytes - will not be larger than
50 atomic_write_unit_min. This value must be a power-of-two.
60 be a power-of-two. This value will not be larger than
72 power-of-two and at least the size as in
111 integrity metadata. Set if the device is T10 PI-capable.
119 E.g. T10-DIF-TYPE1-CRC.
163 scanning is enabled, or "0" if not. The value type is a 32-bit
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| /Documentation/networking/device_drivers/ethernet/freescale/dpaa2/ |
| D | dpio-driver.rst | 7 :Copyright: |copy| 2016-2018 NXP
29 ---------------
31 The DPIO driver is bound to DPIO objects discovered on the fsl-mc bus and
40 The Linux DPIO driver consists of 3 primary components--
41 DPIO object driver-- fsl-mc driver that manages the DPIO object
43 DPIO service-- provides APIs to other Linux drivers for services
45 QBman portal interface-- sends portal commands, gets responses::
47 fsl-mc other
50 +---+----+ +------+-----+
52 | driver |---| (DPIO) |
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12