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/OK3568_Linux_fs/kernel/Documentation/block/
H A Dnull_blk.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Null block device driver
10 The null block device (``/dev/nullb*``) is used for benchmarking the various
11 block-layer implementations. It emulates a block device of X gigabytes in size.
15 Multi-queue block-layer
17 - Request-based.
18 - Configurable submission queues per device.
20 No block-layer (Known as bio-based)
22 - Bio-based. IO requests are submitted directly to the device driver.
23 - Directly accepts bio data structure and returns them.
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H A Dblk-mq.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Multi-Queue Block IO Queueing Mechanism (blk-mq)
7 The Multi-Queue Block IO Queueing Mechanism is an API to enable fast storage
9 through queueing and submitting IO requests to block devices simultaneously,
16 ----------
19 development of the kernel. The Block IO subsystem aimed to achieve the best
26 However, with the development of Solid State Drives and Non-Volatile Memories
30 in those devices' design, the multi-queue mechanism was introduced.
32 The former design had a single queue to store block IO requests with a single
36 to different CPUs) wanted to perform block IO. Instead of this, the blk-mq API
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H A Dbiodoc.rst2 Notes on the Generic Block Layer Rewrite in Linux 2.5
13 - Jens Axboe <jens.axboe@oracle.com>
14 - Suparna Bhattacharya <suparna@in.ibm.com>
19 - Nick Piggin <npiggin@kernel.dk>
24 These are some notes describing some aspects of the 2.5 block layer in the
34 - Jens Axboe <jens.axboe@oracle.com>
36 Many aspects of the generic block layer redesign were driven by and evolved
43 - Christoph Hellwig <hch@infradead.org>
44 - Arjan van de Ven <arjanv@redhat.com>
45 - Randy Dunlap <rdunlap@xenotime.net>
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/OK3568_Linux_fs/kernel/drivers/net/ethernet/mellanox/mlxfw/
H A Dmlxfw_mfa2.c1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
2 /* Copyright (c) 2017-2019 Mellanox Technologies. All rights reserved */
18 * +----------------------------------+
20 * +----------------------------------+
22 * | +------------------------------+ | +-----------------+
23 * | | package descriptor tlv +-----> |num_devices=n |
24 * | +------------------------------+ | |num_components=m |
25 * +----------------------------------+ |CB offset |
27 * | +------------------------------+ | | |
28 * | | PSID tlv | | +-----------------+
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/OK3568_Linux_fs/kernel/include/xen/interface/io/
H A Dblkif.h1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Unified block-device I/O interface for Xen guest OSes.
7 * Copyright (c) 2003-2004, Keir Fraser
17 * Front->back notifications: When enqueuing a new request, sending a
19 * hold-off mechanism provided by the ring macros). Backends must set
22 * Back->front notifications: When enqueuing a new response, sending a
24 * hold-off mechanism provided by the ring macros). Frontends must set
33 * If supported, the backend will write the key "multi-queue-max-queues" to
37 * key "multi-queue-num-queues" with the number they wish to use, which must be
39 * "multi-queue-max-queues".
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/OK3568_Linux_fs/yocto/poky/bitbake/lib/toaster/toastergui/static/css/
H A Djquery-ui.structure.min.css1 /*! jQuery UI - v1.11.4 - 2015-03-15
5 …-helper-hidden{display:none}.ui-helper-hidden-accessible{border:0;clip:rect(0 0 0 0);height:1px;ma…
/OK3568_Linux_fs/kernel/Documentation/crypto/
H A Ddevel-algos.rst5 --------------------------------------------
14 filled with each, struct crypto_alg, must be considered -- see below
47 Single-Block Symmetric Ciphers [CIPHER]
48 ---------------------------------------
55 block at a time and there are no dependencies between blocks at all.
69 Struct cipher_alg defines a single block cipher.
74 during any of these are in-flight.
78 KEY ---. PLAINTEXT ---.
80 .cia_setkey() -> .cia_encrypt()
82 '-----> CIPHERTEXT
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H A Darchitecture.rst5 ----------------------
10 - Symmetric ciphers
12 - AEAD ciphers
14 - Message digest, including keyed message digest
16 - Random number generation
18 - User space interface
21 ---------------------
23 The kernel crypto API provides implementations of single block ciphers
26 block ciphers and message digests. Templates include all types of block
29 Single block ciphers and message digests can either be directly used by
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/OK3568_Linux_fs/kernel/Documentation/filesystems/ext4/
H A Dallocators.rst1 .. SPDX-License-Identifier: GPL-2.0
3 Block and Inode Allocation Policy
4 ---------------------------------
9 that the head actuator and disk must perform to access a data block,
13 effect of concentrating writes on a single erase block, which can speed
17 The first tool that ext4 uses to combat fragmentation is the multi-block
18 allocator. When a file is first created, the block allocator
23 files) then the file data gets written out in a single multi-block
33 file's data blocks in the same block group as its inode. This cuts down
39 same block group as the directory, when feasible. The working assumption
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/OK3568_Linux_fs/kernel/drivers/staging/media/atomisp/pci/isp/kernels/macc/macc1_5/
H A Dia_css_macc1_5_types.h1 /* SPDX-License-Identifier: GPL-2.0 */
20 * CSS-API header file for Multi-Axis Color Conversion algorithm parameters.
23 /* Multi-Axis Color Conversion configuration
33 /* Multi-Axes Color Correction (MACC) table.
35 * ISP block: MACC (MACC by only matrix)
49 * OutU = (data00 * InU + data01 * InV) >> (13 - exp)
50 * OutV = (data10 * InU + data11 * InV) >> (13 - exp)
53 * OutU = (4096 * InU + 0 * InV) >> (13 - 1)
54 * OutV = ( 0 * InU + 4096 * InV) >> (13 - 1)
59 MACC1_5: s[macc_config.exp].[13-macc_config.exp], [-8192,8191]
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/dma/
H A Dsnps,dma-spear1340.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/dma/snps,dma-spear1340.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Viresh Kumar <vireshk@kernel.org>
11 - Andy Shevchenko <andriy.shevchenko@linux.intel.com>
14 - $ref: "dma-controller.yaml#"
18 const: snps,dma-spear1340
20 "#dma-cells":
40 clock-names:
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/OK3568_Linux_fs/kernel/arch/x86/crypto/
H A Dglue_helper.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Shared glue code for 128bit block ciphers
5 * Copyright © 2012-2013 Jussi Kivilinna <jussi.kivilinna@iki.fi>
10 * (C) Copyright IBM Corp. 2007 - Joy Latten <latten@us.ibm.com>
39 fpu_enabled = glue_fpu_begin(bsize, gctx->fpu_blocks_limit, in glue_ecb_req_128bit()
41 for (i = 0; i < gctx->num_funcs; i++) { in glue_ecb_req_128bit()
42 func_bytes = bsize * gctx->funcs[i].num_blocks; in glue_ecb_req_128bit()
47 /* Process multi-block batch */ in glue_ecb_req_128bit()
49 gctx->funcs[i].fn_u.ecb(ctx, dst, src); in glue_ecb_req_128bit()
52 nbytes -= func_bytes; in glue_ecb_req_128bit()
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/OK3568_Linux_fs/kernel/Documentation/driver-api/media/drivers/
H A Dtuners.rst1 .. SPDX-License-Identifier: GPL-2.0
7 ------------------------
12 - L= LG_API (VHF_LO=0x01, VHF_HI=0x02, UHF=0x08, radio=0x04)
13 - P= PHILIPS_API (VHF_LO=0xA0, VHF_HI=0x90, UHF=0x30, radio=0x04)
14 - T= TEMIC_API (VHF_LO=0x02, VHF_HI=0x04, UHF=0x01)
15 - A= ALPS_API (VHF_LO=0x14, VHF_HI=0x12, UHF=0x11)
16 - M= PHILIPS_MK3 (VHF_LO=0x01, VHF_HI=0x02, UHF=0x04, radio=0x19)
19 -------------------
21 - Samsung Tuner identification: (e.g. TCPM9091PD27)
23 .. code-block:: none
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/OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/mfd/
H A Dsamsung,sec-core.txt1 Binding for Samsung S2M and S5M family multi-function device
4 This is a part of device tree bindings for S2M and S5M family multi-function
8 of multi-function devices which include voltage and current regulators, RTC,
9 charger controller, clock outputs and other sub-blocks. It is interfaced
10 to the host controller using an I2C interface. Each sub-block is usually
14 This document describes bindings for main device node. Optional sub-blocks
15 must be a sub-nodes to it. Bindings for them can be found in:
16 - bindings/regulator/samsung,s2mpa01.txt
17 - bindings/regulator/samsung,s2mps11.txt
18 - bindings/regulator/samsung,s5m8767.txt
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H A Dmax8998.txt1 * Maxim MAX8998, National/TI LP3974 multi-function device
3 The Maxim MAX8998 is a multi-function device which includes voltage/current
5 other sub-blocks. It is interfaced using an I2C interface. Each sub-block
8 PMIC sub-block
9 --------------
11 The PMIC sub-block contains a number of voltage and current regulators,
17 - compatible: Should be one of the following:
18 - "maxim,max8998" for Maxim MAX8998
19 - "national,lp3974" or "ti,lp3974" for National/TI LP3974.
20 - reg: Specifies the i2c slave address of the pmic block. It should be 0x66.
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H A Dbrcm,iproc-mhb.txt1 Broadcom iProc Multi Host Bridge (MHB)
3 Certain Broadcom iProc SoCs have a multi host bridge (MHB) block that controls
10 - compatible: should contain:
11 "brcm,sr-mhb", "syscon" for Stingray
12 - reg: base address and range of the MHB registers
16 compatible = "brcm,sr-mhb", "syscon";
/OK3568_Linux_fs/kernel/lib/
H A Ddecompress_unxz.c2 * Wrapper for decompressing XZ-compressed kernel, initramfs, and initrd
11 * Important notes about in-place decompression
21 * The worst case for in-place decompression is that the beginning of
23 * uncompressible. Thus, we must look for worst-case expansion when the
30 * Block Header:
31 * Block Header (8-12)
33 * Block Padding (0-3)
35 * Index (8-20)
38 * Normally there is exactly one Block, but let's assume that there are
39 * 2-4 Blocks just in case. Because Stream Header and also Block Header
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/OK3568_Linux_fs/kernel/sound/pci/ctxfi/
H A Dctresource.c1 // SPDX-License-Identifier: GPL-2.0-only
21 /* Resource allocation based on bit-map management mechanism */
24 unsigned int multi, unsigned int *ridx) in get_resource() argument
29 for (i = 0, n = multi; i < amount; i++) { in get_resource()
33 n = multi; in get_resource()
36 if (!(--n)) in get_resource()
42 return -ENOENT; in get_resource()
45 /* Mark the contiguous bits in resource bit-map as used */ in get_resource()
46 for (n = multi; n > 0; n--) { in get_resource()
50 i--; in get_resource()
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/OK3568_Linux_fs/kernel/fs/ntfs/
H A Dlogfile.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * logfile.c - NTFS kernel journal handling. Part of the Linux-NTFS project.
5 * Copyright (c) 2002-2007 Anton Altaparmakov
27 * ntfs_check_restart_page_header - check the page header for consistency
47 * If the system or log page sizes are smaller than the ntfs block size in ntfs_check_restart_page_header()
50 logfile_system_page_size = le32_to_cpu(rp->system_page_size); in ntfs_check_restart_page_header()
51 logfile_log_page_size = le32_to_cpu(rp->log_page_size); in ntfs_check_restart_page_header()
55 (logfile_system_page_size - 1) || in ntfs_check_restart_page_header()
57 ntfs_error(vi->i_sb, "$LogFile uses unsupported page size."); in ntfs_check_restart_page_header()
65 ntfs_error(vi->i_sb, "Found restart area in incorrect " in ntfs_check_restart_page_header()
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/OK3568_Linux_fs/kernel/tools/testing/selftests/drivers/net/mlxsw/
H A Dtc_restrictions.sh2 # SPDX-License-Identifier: GPL-2.0
38 # It is forbidden in mlxsw driver to have mixed-bound
39 # shared block with a drop rule.
42 check_err $? "Failed to create clsact with ingress block"
44 tc filter add block 22 protocol ip pref 1 handle 101 flower \
46 check_err $? "Failed to add drop rule to ingress bound block"
49 check_err $? "Failed to create another clsact with ingress shared block"
54 check_fail $? "Incorrect success to create another clsact with egress shared block"
56 tc filter del block 22 protocol ip pref 1 handle 101 flower
59 …check_err $? "Failed to create another clsact with egress shared block after blocker drop rule rem…
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/OK3568_Linux_fs/tools/windows/RKDevTool/RKDevTool_Release/Language/
H A DEnglish.ini138 INFO_UNPACK_STORAGE_START=Start to unpack multi-storage firmware...
139 INFO_UNPACK_STORAGE_OK=Unpack multi-storage firmware ok
140 ERROR_UNPACK_STORAGE_FAIL=Unpack multi-storage firmware failed
156 IDS_TAGBADBLOCKPROGRESSINFO=Tag Bad Block(%d%%)...
157 IDS_TESTBLOCKPROGRESSINFO=Test Block(%d%%)...
232 IDS_GETBLOCKSTATE_START=Get Block State Start
233 IDS_GETBLOCKSTATE_FAIL=Get Block State Fail
234 IDS_GETBLOCKSTATE_PASS=Get Block State Success
/OK3568_Linux_fs/kernel/Documentation/userspace-api/media/v4l/
H A Dvidioc-expbuf.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
13 VIDIOC_EXPBUF - Export a buffer as a DMABUF file descriptor.
48 one. For the multi-planar API, applications set the ``plane`` field to
51 the single-planar API, applications must set ``plane`` to zero.
55 case of multi-planar API, every plane is exported separately using
60 other DMABUF-aware devices. Refer to :ref:`DMABUF importing <dmabuf>`
68 .. code-block:: c
77 if (ioctl(v4lfd, VIDIOC_EXPBUF, &expbuf) == -1) {
79 return -1;
87 .. code-block:: c
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/OK3568_Linux_fs/tools/linux/Linux_Upgrade_Tool/Linux_Upgrade_Tool/
H A Drevision.txt27 1.fix multi-storage firmware compatible bug
30 1.fix upgrade multi-storage firmware bug
34 1.support new multi-storage firmware
40 1.support multi-storage firmware with div
55 1.add block align check on writing lba for nand
/OK3568_Linux_fs/kernel/include/linux/ceph/
H A Drados.h1 /* SPDX-License-Identifier: GPL-2.0 */
29 #define CEPH_SNAPDIR ((__u64)(-1)) /* reserved for hidden .snap dir */
30 #define CEPH_NOSNAP ((__u64)(-2)) /* "head", "live" revision */
31 #define CEPH_MAXSNAP ((__u64)(-3)) /* largest valid snapid */
40 * object layout - how objects are mapped into PGs
47 * pg layout -- how PGs are mapped onto (sets of) OSDs
69 * pg_num -- base number of pseudorandomly placed pgs
71 * pgp_num -- effective number when calculating pg placement. this
78 * lpg_num -- localized pg count (per device). replicas are randomly
81 * lpgp_num -- as above.
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/OK3568_Linux_fs/kernel/Documentation/userspace-api/media/
H A Dglossary.rst1 .. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
51 **Field-programmable Gate Array**
56 See https://en.wikipedia.org/wiki/Field-programmable_gate_array.
60 :term:`SPI` device, or an :term:`IP Block` inside an
65 together make a larger user-facing functional peripheral. For
66 instance, the :term:`SoC` :term:`ISP` :term:`IP Block`
73 **Inter-Integrated Circuit**
75 A multi-master, multi-slave, packet switched, single-ended,
77 like sub-device hardware components.
79 See http://www.nxp.com/docs/en/user-guide/UM10204.pdf.
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