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/linux/include/uapi/linux/
H A Dvduse.h1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
15 * This is used for future extension.
23 * struct vduse_dev_config - basic configuration of a VDUSE device
34 * Structure used b
72 __u64 last; global() member
248 __u64 last; global() member
304 __u64 last; global() member
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H A Dmsg.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
17 /* Obsolete, used only for backwards compatibility and libc5 compiles */
21 struct msg *msg_last; /* last message in queue,unused */
22 __kernel_old_time_t msg_stime; /* last msgsnd time */
23 __kernel_old_time_t msg_rtime; /* last msgrcv time */
24 __kernel_old_time_t msg_ctime; /* last change time */
30 __kernel_ipc_pid_t msg_lspid; /* pid of last msgsnd */
31 __kernel_ipc_pid_t msg_lrpid; /* last receive pid */
65 * MSGMNB is the default size of a new message queue. Non-root tasks can
69 * 16384 is used because it was always used (since 0.99.10)
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/linux/net/netfilter/
H A Dnft_set_pipapo_avx2.c1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 2019-2020 Red Hat GmbH
29 /* Load from memory into YMM register with non-temporal hint ("stream load"),
33 * - loading buckets from lookup tables, as they are not going to be used
36 * - loading the result bitmap from the previous field, as it's never used
65 * are always used shortly after.
75 * nft_pipapo_avx2_prepare() - Prepare before main algorithm body
77 * This zeroes out ymm15, which is later used whenever we need to clear a
86 * nft_pipapo_avx2_fill() - Fill a bitmap region with ones
91 * This is nothing else than a version of bitmap_set(), as used e.g. by
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/linux/lib/
H A Dinterval_tree.c1 // SPDX-License-Identifier: GPL-2.0-only
7 #define START(node) ((node)->start)
8 #define LAST(node) ((node)->last) macro
12 START, LAST,, interval_tree)
22 * span of nodes. This makes nodes[0]->last the end of that contiguous used span
23 * indexes that started at the original nodes[1]->start. nodes[1] is now the
24 * first node starting the next used span. A hole span is between nodes[0]->last
25 * and nodes[1]->start. nodes[1] must be !NULL.
30 struct interval_tree_node *cur = state->nodes[1]; in interval_tree_span_iter_next_gap()
32 state->nodes[0] = cur; in interval_tree_span_iter_next_gap()
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/linux/drivers/net/wireless/marvell/mwifiex/
H A DREADME2 # Copyright 2011-2020 NXP
9 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
10 # worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
12 # THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
38 Following are some useful iw commands:-
45 iw dev mlan0 connect -w <SSID> [<freq in MHz>] [<bssid>] [key 0:abcde d:1123456789a]
46 The above command can be used to connect to an AP with a particular SSID.
49 …Note: Every time before connecting to an AP scan command (iw dev mlan0 scan) should be used by use…
52 This command will be used to disconnect from an AP.
55 iw dev mlan0 ibss join <SSID> <freq in MHz> [fixed-freq] [fixed-bssid] [key 0:abcde]
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/linux/net/mac80211/
H A Dkey.h1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright 2002-2004, Instant802 Networks, Inc.
5 * Copyright (C) 2019, 2022-2023 Intel Corporation
29 * enum ieee80211_internal_key_flags - internal key flags
74 /* last used TSC */
77 /* last received RSC */
85 * Last received packet number. The first
86 * IEEE80211_NUM_TIDS counters are used with Data
87 * frames and the last counter is used with Robust
107 /* Last received packet number. The first
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/linux/include/linux/platform_data/
H A Dcros_ec_sensorhub.h1 /* SPDX-License-Identifier: GPL-2.0 */
19 * struct cros_ec_sensor_platform - ChromeOS EC sensor platform information.
27 * typedef cros_ec_sensorhub_push_data_cb_t - Callback function to send datum
57 /* State used for cros_ec_ring_fix_overflow */
60 s64 last; member
67 * struct cros_ec_sensors_ts_filter_state - Timestamp filetr state.
69 * @x_offset: x is EC interrupt time. x_offset its last value.
70 * @y_offset: y is the difference between AP and EC time, y_offset its last
76 * @temp_buf: Temporary buffer used when updating the filter.
94 /* struct cros_ec_sensors_ts_batch_state - State of batch of a single sensor.
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/linux/net/batman-adv/
H A Dtypes.h1 /* SPDX-License-Identifier: GPL-2.0 */
36 * typedef batadv_dat_addr_t - type used for all DHT addresses
47 * enum batadv_dhcp_recipient - dhcp destination
61 * BATADV_TT_REMOTE_MASK - bitmask selecting the flags that are sent over the
67 * BATADV_TT_SYNC_MASK - bitmask of the flags that need to be kept in sync
68 * among the nodes. These flags are used to compute the global/local CRC
73 * struct batadv_hard_iface_bat_iv - per hard-interface B.A.T.M.A.N. IV data
82 /** @ogm_seqno: OGM sequence number - used to identify each OGM */
90 * enum batadv_v_hard_iface_flags - interface flags useful to B.A.T.M.A.N. V
95 * full-duplex
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/linux/include/linux/
H A Dinterval_tree.h1 /* SPDX-License-Identifier: GPL-2.0 */
10 unsigned long last; /* Last location _in_ interval */ member
24 unsigned long start, unsigned long last);
28 unsigned long start, unsigned long last);
31 * struct interval_tree_span_iter - Find used and unused spans.
34 * @start_used: Start of a used interval when is_hole == 0
35 * @last_used: Inclusive end of a used interval when is_hole == 0
36 * @is_hole: 0 == used, 1 == is_hole, -1 == done iteration
40 * a used, which is fully covered by nodes. Each iteration step toggles between
41 * hole and used until the entire range is covered. The returned spans always
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H A Dsysv_fs.h1 /* SPDX-License-Identifier: GPL-2.0 */
17 On Coherent FS, they are always stored in PDP-11 manner: the least
18 significant 16 bits come last. */
21 /* 0 is non-existent */
26 /* Xenix super-block data on disk */
38 /* locks, not used by Linux: */
41 char s_fmod; /* super-block modified flag */
42 char s_ronly; /* flag whether fs is mounted read-only */
43 __fs32 s_time __packed2__; /* time of last super block update */
66 /* SystemV4 super-block data on disk */
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H A Drculist_nulls.h1 /* SPDX-License-Identifier: GPL-2.0 */
8 * RCU-protected list version
14 * hlist_nulls_del_init_rcu - deletes entry from hash list with re-initialization
22 * that may still be used for walking the hash list and we can only
28 * list-mutation primitive, such as hlist_nulls_add_head_rcu() or
30 * perfectly legal to run concurrently with the _rcu list-traversal
37 WRITE_ONCE(n->pprev, NULL); in hlist_nulls_del_init_rcu()
42 * hlist_nulls_first_rcu - returns the first element of the hash list.
46 (*((struct hlist_nulls_node __rcu __force **)&(head)->first))
49 * hlist_nulls_next_rcu - returns the element of the list after @node.
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/linux/include/net/
H A Dnl802154.h88 /* used to define NL802154_CMD_MAX below */
90 NL802154_CMD_MAX = __NL802154_CMD_AFTER_LAST - 1
172 NL802154_ATTR_MAX = __NL802154_ATTR_AFTER_LAST - 1
182 /* keep last */
184 NL802154_IFTYPE_MAX = NUM_NL802154_IFTYPES - 1
188 * enum nl802154_wpan_phy_capability_attr - wpan phy capability attributes
237 /* keep last */
239 NL802154_CAP_ATTR_MAX = __NL802154_CAP_ATTR_AFTER_LAST - 1
243 * enum nl802154_coord - Netlink attributes for a coord
250 * @NL802154_COORD_PREAMBLE_CODE: Preamble code used when the beacon was received,
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/linux/block/
H A Dbfq-iosched.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 #include "blk-cgroup-rwstat.h"
29 * Soft real-time applications are extremely more latency sensitive
30 * than interactive ones. Over-raise the weight of the former to
36 * Maximum number of actuators supported. This constant is used simply
38 * per-actuator data. The current value is hopefully a good upper
46 * struct bfq_service_tree - per ioprio_class service tree.
48 * Each service tree represents a B-WF2Q+ scheduler on its own. Each
71 * struct bfq_sched_data - multi-class scheduler.
74 * ioprio_classes, and can be used either as a toplevel queue or as an
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/linux/Documentation/userspace-api/
H A DELF.rst1 .. SPDX-License-Identifier: GPL-2.0
4 Linux-specific ELF idiosyncrasies
13 "Last" program header is the one with the biggest offset in the file:
14 e_phoff + (e_phnum - 1) * sizeof(Elf_Phdr).
19 First PT_INTERP program header is used to locate the filename of ELF
25 Last PT_GNU_STACK program header defines userspace stack executability
31 ELF interpreter's last PT_GNU_PROPERTY program header is used (since
32 Linux 5.8). If interpreter doesn't have one, then the last PT_GNU_PROPERTY
33 program header of an executable is used. Other PT_GNU_PROPERTY headers
/linux/drivers/s390/scsi/
H A Dzfcp_qdio.h1 /* SPDX-License-Identifier: GPL-2.0 */
22 * struct zfcp_qdio - basic qdio data structure
29 * @req_q_time: time of last fill level change
30 * @req_q_util: used for accounting
32 * @req_q_wq: used to wait for SBAL availability
33 * @irq_tasklet: used for QDIO interrupt processing
34 * @request_tasklet: used for Request Queue completion processing
35 * @request_timer: used to trigger the Request Queue completion processing
36 * @adapter: adapter used in conjunction with this qdio structure
60 * struct zfcp_qdio_req - qdio queue related values for a request
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/linux/drivers/md/dm-vdo/indexer/
H A Dradix-sort.c1 // SPDX-License-Identifier: GPL-2.0-only
6 #include "radix-sort.h"
11 #include "memory-alloc.h"
12 #include "string-utils.h"
23 /* Sort keys are pointers to immutable fixed-length arrays of bytes. */
31 /* The number of non-empty bins */
32 u16 used; member
33 /* The index (key byte) of the first non-empty bin */
35 /* The index (key byte) of the last non-empty bin */
36 u16 last; member
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/linux/kernel/
H A Dworkqueue_internal.h1 /* SPDX-License-Identifier: GPL-2.0 */
18 * The poor guys doing the actual heavy lifting. All on-duty workers are
22 * Only to be used in workqueue and async.
34 u64 current_at; /* K: runtime at start or last wakeup */
39 /* used by the scheduler to determine a worker's last known identity */
40 work_func_t last_func; /* K: last work's fn */
47 struct list_head node; /* A: anchored at pool->workers */
48 /* A: runs through worker->node */
50 unsigned long last_active; /* K: last active timestamp */
56 * dump for debugging - WARN, BUG, panic or sysrq.
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/linux/Documentation/wmi/
H A Dacpi-interface.rst1 .. SPDX-License-Identifier: GPL-2.0-or-later
13 -------------------
17 used for mapping and execution of WMI methods and/or queries. If there exist
22 -----------
24 The ``_WDG`` buffer is used to discover WMI objects and is required to be
37 The WMI object flags control whether the method or notification ID is used:
39 - 0x1: Data block usage is expensive and must be explicitly enabled/disabled.
40 - 0x2: Data block contains WMI methods.
41 - 0x4: Data block contains ASCIZ string.
42 - 0x8: Data block describes a WMI event, use notification ID instead
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/linux/Documentation/networking/
H A Drxrpc.rst1 .. SPDX-License-Identifier: GPL-2.0
7 The RxRPC protocol driver provides a reliable two-phase transport on top of UDP
8 that can be used to perform RxRPC remote operations. This is done over sockets
38 RxRPC is a two-layer protocol. There is a session layer which provides
44 +-------------+
46 +-------------+
48 +-------------+
50 +-------------+
52 +-------------+
60 (2) A two-phase protocol. The client transmits a blob (the request) and then
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/linux/include/uapi/asm-generic/
H A Dstat.h1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
7 * eternity. Hopefully, this version gets used by new architectures
11 * stat is the same structure layout on 64-bit, without the 'long long'
36 long st_blocks; /* Number 512-byte blocks allocated. */
37 long st_atime; /* Time of last access. */
39 long st_mtime; /* Time of last modification. */
41 long st_ctime; /* Time of last status change. */
47 /* This matches struct stat64 in glibc2.1. Only used for 32 bit. */
61 long long st_blocks; /* Number 512-byte blocks allocated. */
62 int st_atime; /* Time of last access. */
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/linux/Documentation/core-api/
H A Dmaple_tree.rst1 .. SPDX-License-Identifier: GPL-2.0+
13 The Maple Tree is a B-Tree data type which is optimized for storing
14 non-overlapping ranges, including ranges of size 1. The tree was designed to
17 entry in a cache-efficient manner. The tree can also be put into an RCU-safe
24 use the normal API. An :ref:`maple-tree-advanced-api` exists for more complex
34 :ref:`maple-tree-advanced-api`, but are blocked by the normal API.
39 Pre-allocating of nodes is also supported using the
40 :ref:`maple-tree-advanced-api`. This is useful for users who must guarantee a
45 .. _maple-tree-normal-api:
52 freshly-initialised maple tree contains a ``NULL`` pointer for the range ``0``
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/linux/sound/isa/gus/
H A Dgus_mem.c1 // SPDX-License-Identifier: GPL-2.0-or-later
21 mutex_lock(&alloc->memory_mutex); in snd_gf1_mem_lock()
23 mutex_unlock(&alloc->memory_mutex); in snd_gf1_mem_lock()
37 nblock->name = kstrdup(name, GFP_KERNEL); in snd_gf1_mem_xalloc()
38 if (!nblock->name) { in snd_gf1_mem_xalloc()
43 pblock = alloc->first; in snd_gf1_mem_xalloc()
45 if (pblock->ptr > nblock->ptr) { in snd_gf1_mem_xalloc()
46 nblock->prev = pblock->prev; in snd_gf1_mem_xalloc()
47 nblock->next = pblock; in snd_gf1_mem_xalloc()
48 pblock->prev = nblock; in snd_gf1_mem_xalloc()
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/linux/Documentation/userspace-api/media/cec/
H A Dcec-pin-error-inj.rst1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
9 has low-level support for the CEC bus. Most hardware today will have
10 high-level CEC support where the hardware deals with driving the CEC bus,
19 Currently only the cec-gpio driver (when the CEC line is directly
20 connected to a pull-up GPIO line) and the AllWinner A10/A20 drm driver
25 now an ``error-inj`` file.
32 With ``cat error-inj`` you can see both the possible commands and the current
35 $ cat /sys/kernel/debug/cec/cec0/error-inj
38 # rx-clear clear all rx error injections
39 # tx-clear clear all tx error injections
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/linux/drivers/net/ethernet/chelsio/cxgb3/
H A Dcxgb3_ctl_defs.h2 * Copyright (c) 2003-2008 Chelsio, Inc. All rights reserved.
14 * - Redistributions of source code must retain the above
18 * - Redistributions in binary form must reproduce the above
66 * Structure used to describe a TID range. Valid TIDs are [base, base+num).
74 * Structure used to request the size and contents of the MTU table.
84 * Structure used to request the adapter net_device owning a given MAC address.
92 /* Structure used to request a port's iSCSI IPv4 address */
101 * Structure used to request the TCP DDP parameters.
116 * Structure used to return information to the iscsi layer.
130 * Structure used to return information to the RDMA layer.
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/linux/include/drm/ttm/
H A Dttm_resource.h31 #include <linux/iosys-map.h>
32 #include <linux/dma-fence.h>
54 * enum ttm_lru_item_type - enumerate ttm_lru_item subclasses
64 * struct ttm_lru_item - The TTM lru list node base class
74 * ttm_lru_item_init() - initialize a struct ttm_lru_item
81 item->type = type; in ttm_lru_item_init()
82 INIT_LIST_HEAD(&item->link); in ttm_lru_item_init()
87 return item->type == TTM_LRU_RESOURCE; in ttm_lru_item_is_res()
104 * If the manager can't fulfill the request -ENOSPC should be returned.
137 * Test if @res intersects with @place + @size. Used to judge if
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