| /Linux-v6.1/fs/gfs2/ |
| 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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| /Linux-v6.1/Documentation/mm/ |
| 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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| /Linux-v6.1/Documentation/virt/kvm/x86/ |
| 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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| /Linux-v6.1/Documentation/devicetree/bindings/pci/ |
| 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#
15 - $ref: /schemas/interrupt-controller/msi-controller.yaml#
20 - enum:
21 # for the first generation of PAXB based controller, used in SoCs
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| /Linux-v6.1/arch/nios2/mm/ |
| 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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| /Linux-v6.1/include/dt-bindings/memory/ |
| 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).
|
| /Linux-v6.1/drivers/firewire/ |
| 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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| /Linux-v6.1/Documentation/devicetree/bindings/nvmem/ |
| 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>;
|
| /Linux-v6.1/drivers/media/pci/tw686x/ |
| 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).
|
| /Linux-v6.1/Documentation/admin-guide/media/ |
| 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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| /Linux-v6.1/net/batman-adv/ |
| 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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|
| /Linux-v6.1/sound/firewire/fireworks/ |
| 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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|
| /Linux-v6.1/drivers/pinctrl/meson/ |
| 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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| D | pinctrl-meson-axg-pmx.c | 2 * Second generation of pinmux driver for Amlogic Meson-AXG SoC.
10 * SPDX-License-Identifier: (GPL-2.0+ or MIT)
14 * This new generation of pinctrl IP is mainly adopted by the
15 * Meson-AXG SoC and later series, which use 4-width continuous
26 #include "pinctrl-meson.h"
27 #include "pinctrl-meson-axg-pmx.h"
34 struct meson_axg_pmx_data *pmx = pc->data->pmx_data; in meson_axg_pmx_get_bank()
36 for (i = 0; i < pmx->num_pmx_banks; i++) in meson_axg_pmx_get_bank()
37 if (pin >= pmx->pmx_banks[i].first && in meson_axg_pmx_get_bank()
38 pin <= pmx->pmx_banks[i].last) { in meson_axg_pmx_get_bank()
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|
| /Linux-v6.1/arch/arc/include/asm/ |
| 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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|
| /Linux-v6.1/sound/firewire/tascam/ |
| 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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|
| /Linux-v6.1/fs/btrfs/ |
| D | extent_map.c | 1 // SPDX-License-Identifier: GPL-2.0
21 return -ENOMEM; in extent_map_init()
31 * extent_map_tree_init - initialize extent map tree
39 tree->map = RB_ROOT_CACHED; in extent_map_tree_init()
40 INIT_LIST_HEAD(&tree->modified_extents); in extent_map_tree_init()
41 rwlock_init(&tree->lock); in extent_map_tree_init()
45 * alloc_extent_map - allocate new extent map structure
57 RB_CLEAR_NODE(&em->rb_node); in alloc_extent_map()
58 em->compress_type = BTRFS_COMPRESS_NONE; in alloc_extent_map()
59 refcount_set(&em->refs, 1); in alloc_extent_map()
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|
| /Linux-v6.1/drivers/infiniband/hw/qib/ |
| D | qib_tx.c | 14 * - Redistributions of source code must retain the above
18 * - Redistributions in binary form must reproduce the above
53 * qib_disarm_piobufs - cancel a range of PIO buffers
55 * @first: the first PIO buffer to cancel
61 void qib_disarm_piobufs(struct qib_devdata *dd, unsigned first, unsigned cnt) in qib_disarm_piobufs() argument
67 last = first + cnt; in qib_disarm_piobufs()
68 spin_lock_irqsave(&dd->pioavail_lock, flags); in qib_disarm_piobufs()
69 for (i = first; i < last; i++) { in qib_disarm_piobufs()
70 __clear_bit(i, dd->pio_need_disarm); in qib_disarm_piobufs()
71 dd->f_sendctrl(dd->pport, QIB_SENDCTRL_DISARM_BUF(i)); in qib_disarm_piobufs()
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|
| /Linux-v6.1/Documentation/ABI/testing/ |
| D | sysfs-driver-hid-wiimote | 24 Starting with kernel-version 3.11 Motion Plus hotplugging is
26 extension. You will get uevent notifications for the motion-plus
40 Other strings for each device-type are available and may be
41 added if new device-specific detections are added.
45 gen10: First Wii Remote generation
46 gen20: Second Wii Remote Plus generation
59 First, 0kg values for all 4 sensors are written, followed by the
64 values but may be used by user-space to perform other
72 pro-controller. It provides a single line with 4 calibration
74 is prefixed with a +/-. Each value is a signed 16bit number.
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|
| /Linux-v6.1/virt/kvm/ |
| D | pfncache.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * Kernel-based Virtual Machine driver for Linux
5 * This module enables kernel and guest-mode vCPU access to guest physical
32 spin_lock(&kvm->gpc_lock); in gfn_to_pfn_cache_invalidate_start()
33 list_for_each_entry(gpc, &kvm->gpc_list, list) { in gfn_to_pfn_cache_invalidate_start()
34 write_lock_irq(&gpc->lock); in gfn_to_pfn_cache_invalidate_start()
37 if (gpc->valid && !is_error_noslot_pfn(gpc->pfn) && in gfn_to_pfn_cache_invalidate_start()
38 gpc->uhva >= start && gpc->uhva < end) { in gfn_to_pfn_cache_invalidate_start()
39 gpc->valid = false; in gfn_to_pfn_cache_invalidate_start()
45 if (gpc->usage & KVM_GUEST_USES_PFN) { in gfn_to_pfn_cache_invalidate_start()
[all …]
|
| /Linux-v6.1/Documentation/admin-guide/device-mapper/ |
| D | dm-zoned.rst | 2 dm-zoned
5 The dm-zoned device mapper target exposes a zoned block device (ZBC and
7 pattern constraints. In effect, it implements a drive-managed zoned
10 host-managed zoned block devices and can mitigate the potential
11 device-side performance degradation due to excessive random writes on
12 host-aware zoned block devices.
21 http://www.t13.org/Documents/UploadedDocuments/docs2015/di537r05-Zoned_Device_ATA_Command_Set_ZAC.p…
23 The dm-zoned implementation is simple and minimizes system overhead (CPU
25 host-managed disk with 256 MB zones, dm-zoned memory usage per disk
29 dm-zoned target devices are formatted and checked using the dmzadm
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| /Linux-v6.1/drivers/infiniband/hw/hfi1/ |
| D | tid_rdma.c | 1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
3 * Copyright(c) 2018 - 2020 Intel Corporation.
18 * This is an end-to-end protocol at the hfi1 level between two nodes that
24 * -- The total data length should be greater than 256K;
25 * -- The total data length should be a multiple of 4K page size;
26 * -- Each local scatter-gather entry should be 4K page aligned;
27 * -- Each local scatter-gather entry should be a multiple of 4K page size;
37 /* Maximum number of packets within a flow generation. */
47 /* Reserved generation value to set to unused flows for kernel contexts */
56 #define HFI1_KERNEL_MAX_JKEY (2 * HFI1_ADMIN_JKEY_RANGE - 1)
[all …]
|
| /Linux-v6.1/drivers/thunderbolt/ |
| D | lc.c | 1 // SPDX-License-Identifier: GPL-2.0
12 * tb_lc_read_uuid() - Read switch UUID from link controller common register
18 if (!sw->cap_lc) in tb_lc_read_uuid()
19 return -EINVAL; in tb_lc_read_uuid()
20 return tb_sw_read(sw, uuid, TB_CFG_SWITCH, sw->cap_lc + TB_LC_FUSE, 4); in tb_lc_read_uuid()
25 if (!sw->cap_lc) in read_lc_desc()
26 return -EINVAL; in read_lc_desc()
27 return tb_sw_read(sw, desc, TB_CFG_SWITCH, sw->cap_lc + TB_LC_DESC, 1); in read_lc_desc()
32 struct tb_switch *sw = port->sw; in find_port_lc_cap()
43 phys = tb_phy_port_from_link(port->port); in find_port_lc_cap()
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|
| /Linux-v6.1/Documentation/networking/dsa/ |
| D | sja1105.rst | 8 The NXP SJA1105 is a family of 10 SPI-managed automotive switches:
10 - SJA1105E: First generation, no TTEthernet
11 - SJA1105T: First generation, TTEthernet
12 - SJA1105P: Second generation, no TTEthernet, no SGMII
13 - SJA1105Q: Second generation, TTEthernet, no SGMII
14 - SJA1105R: Second generation, no TTEthernet, SGMII
15 - SJA1105S: Second generation, TTEthernet, SGMII
16 - SJA1110A: Third generation, TTEthernet, SGMII, integrated 100base-T1 and
17 100base-TX PHYs
18 - SJA1110B: Third generation, TTEthernet, SGMII, 100base-T1, 100base-TX
[all …]
|
| /Linux-v6.1/Documentation/filesystems/ext4/ |
| D | ifork.rst | 1 .. SPDX-License-Identifier: GPL-2.0
4 ------------------------------
22 means of an (up to) three level 1-1 block map. To find the logical block
64 stored in ``inode.i_block``, which allows for the first four extents to
70 .. list-table::
72 :header-rows: 1
74 * - Offset
75 - Size
76 - Name
77 - Description
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