| /openbmc/linux/fs/gfs2/ |
| H A D | lock_dlm.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
4 * Copyright 2004-2011 Red Hat, Inc.
26 * gfs2_update_stats - Update time based stats
52 s64 delta = sample - s->stats[index]; in gfs2_update_stats()
53 s->stats[index] += (delta >> 3); in gfs2_update_stats()
55 s->stats[index] += (s64)(abs(delta) - s->stats[index]) >> 2; in gfs2_update_stats()
59 * gfs2_update_reply_times - Update locking statistics
62 * This assumes that gl->gl_dstamp has been set earlier.
72 * TRY_1CB flags are set are classified as non-blocking. All
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| /openbmc/linux/Documentation/mm/ |
| H A D | multigen_lru.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 Multi-Gen LRU
6 The multi-gen LRU is an alternative LRU implementation that optimizes
14 ----------
20 * Simple self-correcting heuristics
23 implementations. In the multi-gen LRU, each generation represents a
25 (time-based) common frame of reference and therefore help make better
41 choices; thus self-correction is necessary.
43 The benefits of simple self-correcting heuristics are self-evident.
45 attainable. Specifically, pages in the same generation can be
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| /openbmc/linux/Documentation/virt/kvm/x86/ |
| H A D | mmu.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 - correctness:
18 - security:
21 - performance:
23 - scaling:
25 - hardware:
27 - integration:
31 - dirty tracking:
33 and framebuffer-based displays
34 - footprint:
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| /openbmc/u-boot/fs/btrfs/ |
| H A D | conv-funcs.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
12 #include <u-boot/variadic-macro.h>
17 We want to define macro DEFINE_CONV(x, ...), where the first argument is the
55 first we declare the functions taking pointers to this types (these function
57 correspond functions taking non-pointers, so that they can be used in the
78 (d->x) = _Generic((d->x), \
88 )((d->x));
91 (d->x) = _Generic((d->x), \
101 )((d->x));
123 sector_size, type, generation, start_offset, dev_group)
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| /openbmc/linux/Documentation/sound/cards/ |
| H A D | pcmtest.rst | 1 .. SPDX-License-Identifier: GPL-2.0
16 * Generate random or pattern-based capturing data
21 non-interleaved access modes.
24 which is used in the corresponding selftest (alsa/pcmtest-test.sh) to check the PCM middle
29 -------------
33 * fill_mode (bool) - Buffer fill mode (see below)
40 Capture Data Generation
41 -----------------------
43 The driver has two modes of data generation: the first (0 in the fill_mode parameter)
44 means random data generation, the second (1 in the fill_mode) - pattern-based
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| /openbmc/linux/drivers/gpu/drm/i915/display/ |
| H A D | intel_tv_regs.h | 1 /* SPDX-License-Identifier: MIT */
28 /* Enables slow sync generation (945GM only) */
41 /* Sets the colorburst to PAL mode. Required for non-M PAL modes. */
56 /* Read-only state that reports all features enabled */
58 /* Read-only state that reports that Macrovision is disabled in hardware*/
60 /* Read-only state that reports that TV-out is disabled in hardware. */
64 /* Encoder test pattern 1 - combo pattern */
66 /* Encoder test pattern 2 - full screen vertical 75% color bars */
68 /* Encoder test pattern 3 - full screen horizontal 75% color bars */
70 /* Encoder test pattern 4 - random noise */
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| /openbmc/bmcweb/redfish-core/lib/ |
| H A D | pcie.hpp | 1 // SPDX-License-Identifier: Apache-2.0
2 // SPDX-FileCopyrightText: Copyright OpenBMC Authors
3 // SPDX-FileCopyrightText: Copyright 2018 Intel Corporation
23 #include <asm-generic/errno.h>
79 messages::internalError(asyncResp->res); in handlePCIeDevicePath()
82 callback(pcieDevicePath, object.begin()->first); in handlePCIeDevicePath()
88 messages::resourceNotFound(asyncResp->res, "PCIeDevice", pcieDeviceId); in handlePCIeDevicePath()
105 BMCWEB_LOG_ERROR("D-Bus response error on GetSubTree {}", ec); in getValidPCIeDevicePath()
106 messages::internalError(asyncResp->res); in getValidPCIeDevicePath()
127 messages::resourceNotFound(asyncResp->res, "ComputerSystem", in handlePCIeDeviceCollectionGet()
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| H A D | pcie_slots.hpp | 1 // SPDX-License-Identifier: Apache-2.0
2 // SPDX-FileCopyrightText: Copyright OpenBMC Authors
18 #include <asm-generic/errno.h>
47 messages::internalError(asyncResp->res); in onPcieSlotGetAllDone()
51 nlohmann::json& slots = asyncResp->res.jsonValue["Slots"]; in onPcieSlotGetAllDone()
58 messages::internalError(asyncResp->res); in onPcieSlotGetAllDone()
64 const std::string* generation = nullptr; in onPcieSlotGetAllDone() local
70 dbus_utils::UnpackErrorPrinter(), propertiesList, "Generation", in onPcieSlotGetAllDone()
71 generation, "Lanes", lanes, "SlotType", slotType, "HotPluggable", in onPcieSlotGetAllDone()
76 messages::internalError(asyncResp->res); in onPcieSlotGetAllDone()
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| /openbmc/linux/Documentation/devicetree/bindings/pci/ |
| H A D | brcm,iproc-pcie.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pci/brcm,iproc-pcie.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ray Jui <ray.jui@broadcom.com>
11 - Scott Branden <scott.branden@broadcom.com>
14 - $ref: /schemas/pci/pci-bus.yaml#
19 - enum:
20 # for the first generation of PAXB based controller, used in SoCs
22 - brcm,iproc-pcie
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| /openbmc/linux/arch/nios2/mm/ |
| H A D | mmu_context.c | 22 #define PID_MASK ((1UL << PID_BITS) - 1)
25 #define VERSION_BITS (32 - PID_BITS)
27 #define VERSION_MASK ((1UL << VERSION_BITS) - 1)
35 /* Value of the first context (version 1, pid 0) */
72 /* If the version wraps we start over with the first generation, we do in get_new_context()
88 * generation then we have it should get a new generation/pid */ in switch_mm()
89 if (unlikely(CTX_VERSION(next->context) != in switch_mm()
91 next->context = get_new_context(); in switch_mm()
94 pgd_current = next->pgd; in switch_mm()
97 set_context(next->context); in switch_mm()
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| /openbmc/linux/include/dt-bindings/memory/ |
| H A D | mt2701-larb-port.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
11 * Mediatek m4u generation 1 such as mt2701 has flat m4u port numbers,
12 * the first port's id for larb[N] would be the last port's id of larb[N - 1]
13 * plus one while larb[0]'s first port number is 0. The definition of
15 * But m4u generation 2 like mt8173 have different port number, it use fixed
16 * offset for each larb, the first port's id for larb[N] would be (N * 32).
|
| /openbmc/linux/Documentation/devicetree/bindings/nvmem/ |
| H A D | brcm,ocotp.txt | 4 - compatible: "brcm,ocotp" for the first generation Broadcom OTPC which is used
5 in Cygnus and supports 32 bit read/write. Use "brcm,ocotp-v2" for the second
6 generation Broadcom OTPC which is used in SoC's such as Stingray and supports
7 64-bit read/write.
8 - reg: Base address of the OTP controller.
9 - brcm,ocotp-size: Amount of memory available, in 32 bit words
16 brcm,ocotp-size = <2048>;
|
| /openbmc/linux/drivers/media/pci/tw686x/ |
| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
10 Support for Intersil/Techwell TW686x-based frame grabber cards.
13 - TW6864 (4 video channels),
14 - TW6865 (4 video channels, not tested, second generation chip),
15 - TW6868 (8 video channels but only 4 first channels using
16 built-in video decoder are supported, not tested),
17 - TW6869 (8 video channels, second generation chip).
|
| /openbmc/linux/fs/btrfs/ |
| H A D | extent_map.c | 1 // SPDX-License-Identifier: GPL-2.0
22 return -ENOMEM; in extent_map_init()
37 tree->map = RB_ROOT_CACHED; in extent_map_tree_init()
38 INIT_LIST_HEAD(&tree->modified_extents); in extent_map_tree_init()
39 rwlock_init(&tree->lock); in extent_map_tree_init()
52 RB_CLEAR_NODE(&em->rb_node); in alloc_extent_map()
53 em->compress_type = BTRFS_COMPRESS_NONE; in alloc_extent_map()
54 refcount_set(&em->refs, 1); in alloc_extent_map()
55 INIT_LIST_HEAD(&em->list); in alloc_extent_map()
67 if (refcount_dec_and_test(&em->refs)) { in free_extent_map()
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| /openbmc/linux/drivers/firewire/ |
| H A D | core-device.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 * Copyright (C) 2005-2006 Kristian Hoegsberg <krh@bitplanet.net>
14 #include <linux/firewire-constants.h>
36 ci->p = p + 1; in fw_csr_iterator_init()
37 ci->end = ci->p + (p[0] >> 16); in fw_csr_iterator_init()
43 *key = *ci->p >> 24; in fw_csr_iterator_next()
44 *value = *ci->p & 0xffffff; in fw_csr_iterator_next()
46 return ci->p++ < ci->end; in fw_csr_iterator_next()
59 return ci.p - 1 + value; in search_leaf()
73 return -EINVAL; in textual_leaf_to_string()
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| /openbmc/linux/Documentation/admin-guide/media/ |
| H A D | technisat.rst | 1 .. SPDX-License-Identifier: GPL-2.0
13 -----------------------------
17 First start your linux box with a shipped kernel:
19 .. code-block:: none
21 lspci -vvv for a PCI device (lsusb -vvv for an USB device) will show you for example:
29 -------------------
37 (except ``Simple tuner support`` for ATSC 3rd generation only -> see case 9 please).
41 - Main module part:
50 - Frontend / Tuner / Demodulator module part:
55 - SkyStar DVB-S Revision 2.3:
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| /openbmc/linux/drivers/pinctrl/meson/ |
| H A D | pinctrl-meson8-pmx.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * First generation of pinmux driver for Amlogic Meson SoCs
9 /* For this first generation of pinctrl driver every pinmux group can be
10 * enabled by a specific bit in the first register range. When all groups for
18 #include "pinctrl-meson.h"
19 #include "pinctrl-meson8-pmx.h"
22 * meson8_pmx_disable_other_groups() - disable other groups using a given pin
26 * @sel_group: index of the selected group, or -1 if none
29 * selected one. If @sel_group is -1 all groups are disabled, leaving
39 for (i = 0; i < pc->data->num_groups; i++) { in meson8_pmx_disable_other_groups()
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| /openbmc/linux/net/batman-adv/ |
| H A D | hash.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
31 * Return: an index based on the key in the data of the first argument and the
38 * struct batadv_hashtable - Wrapper of simple hlist based hashtable
50 /** @generation: current (generation) sequence number */
51 atomic_t generation; member
65 * batadv_hash_add() - adds data to the hashtable
73 * and -1 on error.
82 int ret = -1; in batadv_hash_add()
90 index = choose(data, hash->size); in batadv_hash_add()
91 head = &hash->table[index]; in batadv_hash_add()
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| /openbmc/linux/sound/firewire/fireworks/ |
| H A D | fireworks_transaction.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * fireworks_transaction.c - a part of driver for Fireworks based devices
5 * Copyright (c) 2013-2014 Takashi Sakamoto
14 * At first, 6 data exist. Following to the data, parameters for each command
22 * data[6-]: Parameters
81 t.seqnum = be32_to_cpu(((struct snd_efw_transaction *)cmd)->seqnum) + 1; in snd_efw_transaction_run()
104 dev_err(&t.unit->device, "EFW transaction timed out\n"); in snd_efw_transaction_run()
105 ret = -EIO; in snd_efw_transaction_run()
124 length = min_t(size_t, be32_to_cpu(t->length) * sizeof(u32), length); in copy_resp_to_buf()
126 spin_lock(&efw->lock); in copy_resp_to_buf()
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| /openbmc/linux/include/linux/ |
| H A D | mmzone.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
19 #include <linux/pageblock-flags.h>
20 #include <linux/page-flags-layout.h>
23 #include <linux/page-flags.h>
27 /* Free memory management - zoned buddy allocator. */
105 #define MIGRATETYPE_MASK ((1UL << PB_migratetype_bits) - 1)
111 get_pfnblock_flags_mask(&folio->page, folio_pfn(folio), \
135 /* First 128 byte cacheline (assuming 64 bit words) */
196 NR_KERNEL_MISC_RECLAIMABLE, /* reclaimable non-slab kernel pages */
240 * Global and per-node slab counters track slab pages. in vmstat_item_in_bytes()
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| /openbmc/qemu/scripts/performance/ |
| H A D | dissect.py | 7 # dissect.py [-h] -- <qemu executable> [<qemu executable options>] \
10 # [-h] - Print the script arguments help message.
13 # dissect.py -- qemu-arm coulomb_double-arm
42 Search for the first instance of the JIT call in
43 the callgrind_annotate output when ran using --tree=caller
52 line = -1
55 callgrind_data[i].split()[-1] == "[???]":
58 if line == -1:
66 usage='dissect.py [-h] -- '
92 "--tool=callgrind",
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| /openbmc/linux/arch/arc/include/asm/ |
| H A D | mmu_context.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
6 * -Refactored get_new_mmu_context( ) to only handle live-mm.
7 * retiring-mm handled in other hooks
10 * -Major rewrite of Core ASID allocation routine get_new_mmu_context
21 #include <asm-generic/mm_hooks.h>
25 * MMU tags TLBs with an 8-bit ASID, avoiding need to flush the TLB on
26 * context-switch.
32 * Each task is assigned unique ASID, with a simple round-robin allocator
33 * tracked in @asid_cpu. When 8-bit value rolls over,a new cycle is started
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| /openbmc/qemu/docs/specs/ |
| H A D | vmgenid.rst | 1 Virtual Machine Generation ID Device
9 See the COPYING file in the top-level directory.
11 The VM generation ID (``vmgenid``) device is an emulated device which
12 exposes a 128-bit, cryptographically random, integer value identifier,
20 re-initializing its random number generator etc.
24 ------------
27 generation ID support in a virtualization platform" section of
28 `the Microsoft Virtual Machine Generation ID specification
31 - **R1a** The generation ID shall live in an 8-byte aligned buffer.
33 - **R1b** The buffer holding the generation ID shall be in guest RAM,
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| /openbmc/linux/sound/firewire/tascam/ |
| H A D | tascam-transaction.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * tascam-transaction.c - a part of driver for TASCAM FireWire series
57 return -EINVAL; in calculate_message_bytes()
67 /* The first byte is used for label, the rest for MIDI bytes. */ in fill_message()
68 label = port->buf; in fill_message()
69 msg = port->buf + 1; in fill_message()
76 if (port->on_sysex) { in fill_message()
80 port->on_sysex = false; in fill_message()
86 if (!port->on_sysex) { in fill_message()
88 *label = (substream->number << 4) | 0x07; in fill_message()
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| /openbmc/linux/drivers/platform/x86/intel/ifs/ |
| H A D | runtest.c | 1 // SPDX-License-Identifier: GPL-2.0-only
16 * execute together, but only the first thread on the
56 "Exceeded number of Logical Processors (LP) allowed to run Scan-At-Field concurrently",
90 cpumask_pr_args(cpu_smt_mask(cpu)), ifsd->cur_batch, ifsd->loaded_version); in message_fail()
102 cpumask_pr_args(cpu_smt_mask(cpu)), ifsd->cur_batch, ifsd->loaded_version); in message_fail()
139 int first; in doscan() local
141 /* Only the first logical CPU on a core reports result */ in doscan()
142 first = cpumask_first(cpu_smt_mask(cpu)); in doscan()
154 if (cpu == first) { in doscan()
185 to_stop = ifsd->valid_chunks - 1; in ifs_test_core()
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