| /openbmc/qemu/tests/qemu-iotests/ |
| H A D | 307.out | 5 {"execute": "nbd-server-start", "arguments": {"addr": {"data": {"path": "SOCK_DIR/PID-socket"}, "ty…
7 {"execute": "query-block-exports", "arguments": {}}
10 === Create a read-only NBD export ===
11 {"execute": "block-export-add", "arguments": {"id": "export0", "node-name": "fmt", "type": "nbd"}}
13 {"execute": "query-block-exports", "arguments": {}}
14 {"return": [{"id": "export0", "node-name": "fmt", "shutting-down": false, "type": "nbd"}]}
18 flags: 0x158f ( readonly flush fua df multi cache block-status-payload )
19 min block: XXX
20 opt block: XXX
21 max block: XXX
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|
| H A D | 223.out | 14 …croseconds": TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false, "reason": "host-qmp-quit"}}
29 {"execute":"blockdev-add",
30 "arguments":{"driver":"IMGFMT", "node-name":"n",
33 {"execute":"block-dirty-bitmap-disable",
36 {"execute":"blockdev-add",
37 "arguments":{"driver":"null-co", "node-name":"null",
40 {"execute":"block-dirty-bitmap-add",
46 {"execute":"nbd-server-add",
49 {"execute":"nbd-server-start",
53 {"execute":"nbd-server-start",
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|
| /openbmc/linux/Documentation/block/ |
| H A D | null_blk.rst | 1 .. 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 D | blk-mq.rst | 1 .. 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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| /openbmc/linux/drivers/net/ethernet/mellanox/mlxfw/ |
| H A D | mlxfw_mfa2.c | 1 // 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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|
| /openbmc/openbmc/poky/bitbake/lib/toaster/toastergui/static/css/ |
| H A D | jquery-ui.structure.min.css | 1 /*! 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…
|
| /openbmc/linux/Documentation/filesystems/ext4/ |
| H A D | allocators.rst | 1 .. 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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| /openbmc/linux/include/xen/interface/io/ |
| H A D | blkif.h | 1 /* SPDX-License-Identifier: MIT */
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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| /openbmc/linux/Documentation/crypto/ |
| H A D | devel-algos.rst | 5 --------------------------------------------
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 D | architecture.rst | 5 ----------------------
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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| /openbmc/linux/drivers/staging/media/atomisp/pci/isp/kernels/macc/macc1_5/ |
| H A D | ia_css_macc1_5_types.h | 1 /* 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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| /openbmc/linux/Documentation/userspace-api/netlink/ |
| H A D | genetlink-legacy.rst | 1 .. SPDX-License-Identifier: BSD-3-Clause
9 the ``genetlink-legacy`` protocol level.
15 --------------------
17 New Netlink families should use ``multi-attr`` to define arrays.
21 For reference the ``multi-attr`` array may look like this::
23 [ARRAY-ATTR]
27 [SOME-OTHER-ATTR]
28 [ARRAY-ATTR]
33 where ``ARRAY-ATTR`` is the array entry type.
35 array-nest
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|
| /openbmc/linux/Documentation/devicetree/bindings/dma/ |
| H A D | snps,dma-spear1340.yaml | 1 # 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#
19 - const: snps,dma-spear1340
20 - items:
21 - enum:
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|
| /openbmc/qemu/include/hw/xen/interface/io/ |
| H A D | blkif.h | 1 /* SPDX-License-Identifier: MIT */
5 * Unified block-device I/O interface for Xen guest OSes.
7 * Copyright (c) 2003-2004, Keir Fraser
18 * Front->back notifications: When enqueuing a new request, sending a
20 * hold-off mechanism provided by the ring macros). Backends must set
23 * Back->front notifications: When enqueuing a new response, sending a
25 * hold-off mechanism provided by the ring macros). Frontends must set
37 * The two halves of a Xen block driver utilize nodes within the XenStore to
63 *------------------ Backend Device Identification (PRIVATE) ------------------
76 * handler (ie: a block device) for blkback to use.
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|
| /openbmc/linux/Documentation/driver-api/media/drivers/ |
| H A D | tuners.rst | 1 .. 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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|
| /openbmc/linux/Documentation/devicetree/bindings/mfd/ |
| H A D | max8998.txt | 1 * 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 D | brcm,iproc-mhb.txt | 1 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";
|
| /openbmc/u-boot/drivers/adc/ |
| H A D | Kconfig | 5 by single and multi-channel methods for:
6 - start/stop/get data for conversion of a single-channel selected by
7 a number or multi-channels selected by a bitmask
8 - get data mask (ADC resolution)
10 - methods for get Vdd/Vss reference Voltage values with polarity
11 - support supply's phandle with auto-enable
12 - supply polarity setting in fdt
19 - 10 analog input channels
20 - 12-bit resolution
21 - 600 KSPS of sample rate
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| /openbmc/linux/sound/pci/ctxfi/ |
| H A D | ctresource.c | 1 // 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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|
| /openbmc/linux/lib/ |
| H A D | decompress_unxz.c | 2 * 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 * incompressible. 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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|
| /openbmc/linux/Documentation/networking/ |
| H A D | af_xdp.rst | 1 .. SPDX-License-Identifier: GPL-2.0
20 XDP programs to redirect frames to a memory buffer in a user-space
64 single-consumer / single-producer (for performance reasons), the new
72 user-space application can place an XSK at an arbitrary place in this
99 http://vger.kernel.org/lpc_net2018_talks/lpc18_paper_af_xdp_perf-v2.pdf. Do
106 ----
109 equal-sized frames. An UMEM is associated to a netdev and a specific
121 The UMEM has two single-producer/single-consumer rings that are used
123 user-space application.
126 -----
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|
| /openbmc/qemu/block/ |
| H A D | curl.c | 2 * QEMU Block driver for CURL images
27 #include "qemu/error-report.h"
30 #include "block/block-io.h"
31 #include "block/block_int.h"
60 #define CURL_BLOCK_OPT_COOKIE_SECRET "cookie-secret"
62 #define CURL_BLOCK_OPT_PASSWORD_SECRET "password-secret"
63 #define CURL_BLOCK_OPT_PROXY_USERNAME "proxy-username"
64 #define CURL_BLOCK_OPT_PROXY_PASSWORD_SECRET "proxy-password-secret"
107 CURLM *multi; member
111 GHashTable *sockets; /* GINT_TO_POINTER(fd) -> socket */
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|
| /openbmc/qemu/docs/devel/ |
| H A D | multi-thread-tcg.rst | 2 Copyright (c) 2015-2020 Linaro Ltd.
5 later. See the COPYING file in the top-level directory.
8 Multi-threaded TCG
11 This document outlines the design for multi-threaded TCG (a.k.a MTTCG)
12 system-mode emulation. user-mode emulation has always mirrored the
15 linux-user emulation.
17 The original system-mode TCG implementation was single threaded and
18 dealt with multiple CPUs with simple round-robin scheduling. This
20 being emulated gained additional cores and per-core performance gains
27 user-space thread. This is enabled by default for all FE/BE
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| /openbmc/linux/Documentation/userspace-api/media/v4l/ |
| H A D | vidioc-expbuf.rst | 1 .. 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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| /openbmc/u-boot/doc/device-tree-bindings/timer/ |
| H A D | atcpit100_timer.txt | 2 ------------------------------------------------------------------
3 ATCPIT100 is a generic IP block from Andes Technology, embedded in
6 This timer is a set of compact multi-function timers, which can be
10 multi-function timer and provide the following usage scenarios:
11 One 32-bit timer
12 Two 16-bit timers
13 Four 8-bit timers
14 One 16-bit PWM
15 One 16-bit timer and one 8-bit PWM
16 Two 8-bit timer and one 8-bit PWM
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|