| /linux-6.6.21/kernel/bpf/ |
| D | local_storage.c | 78 struct bpf_cgroup_storage *storage; in cgroup_storage_lookup() local
80 storage = container_of(node, struct bpf_cgroup_storage, node); in cgroup_storage_lookup()
82 switch (bpf_cgroup_storage_key_cmp(map, key, &storage->key)) { in cgroup_storage_lookup()
92 return storage; in cgroup_storage_lookup()
103 struct bpf_cgroup_storage *storage) in cgroup_storage_insert() argument
114 switch (bpf_cgroup_storage_key_cmp(map, &storage->key, &this->key)) { in cgroup_storage_insert()
126 rb_link_node(&storage->node, parent, new); in cgroup_storage_insert()
127 rb_insert_color(&storage->node, root); in cgroup_storage_insert()
135 struct bpf_cgroup_storage *storage; in cgroup_storage_lookup_elem() local
137 storage = cgroup_storage_lookup(map, key, false); in cgroup_storage_lookup_elem()
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| D | bpf_local_storage.c | 479 struct bpf_local_storage *prev_storage, *storage; in bpf_local_storage_alloc() local
483 err = mem_charge(smap, owner, sizeof(*storage)); in bpf_local_storage_alloc()
489 storage = bpf_mem_cache_alloc_flags(&smap->storage_ma, gfp_flags); in bpf_local_storage_alloc()
492 storage = bpf_map_kzalloc(&smap->map, sizeof(*storage), in bpf_local_storage_alloc()
496 if (!storage) { in bpf_local_storage_alloc()
501 RCU_INIT_POINTER(storage->smap, smap); in bpf_local_storage_alloc()
502 INIT_HLIST_HEAD(&storage->list); in bpf_local_storage_alloc()
503 raw_spin_lock_init(&storage->lock); in bpf_local_storage_alloc()
504 storage->owner = owner; in bpf_local_storage_alloc()
506 bpf_selem_link_storage_nolock(storage, first_selem); in bpf_local_storage_alloc()
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| D | bpf_inode_storage.c | 33 return &bsb->storage; in inode_storage_ptr()
49 rcu_dereference_check(bsb->storage, bpf_rcu_lock_held()); in inode_storage_lookup()
68 local_storage = rcu_dereference(bsb->storage); in bpf_inode_storage_free()
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| /linux-6.6.21/tools/testing/selftests/bpf/progs/ |
| D | local_storage.c | 66 struct local_storage *storage; in BPF_PROG() local
79 storage = bpf_task_storage_get(&task_storage_map, task, 0, 0); in BPF_PROG()
80 if (!storage) in BPF_PROG()
84 is_self_unlink = storage->exec_inode == victim->d_inode; in BPF_PROG()
86 storage = bpf_task_storage_get(&task_storage_map2, task, 0, in BPF_PROG()
88 if (!storage || storage->value) in BPF_PROG()
112 struct local_storage *storage; in BPF_PROG() local
122 storage = bpf_inode_storage_get(&inode_storage_map, old_dentry->d_inode, in BPF_PROG()
124 if (!storage) in BPF_PROG()
127 if (storage->value != DUMMY_STORAGE_VALUE) in BPF_PROG()
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| D | mptcp_sock.c | 31 struct mptcp_storage *storage; in _sockops() local
51 storage = bpf_sk_storage_get(&socket_storage_map, sk, 0, in _sockops()
53 if (!storage) in _sockops()
56 storage->token = 0; in _sockops()
57 __builtin_memset(storage->ca_name, 0, TCP_CA_NAME_MAX); in _sockops()
58 storage->first = NULL; in _sockops()
64 storage = bpf_sk_storage_get(&socket_storage_map, msk, 0, in _sockops()
66 if (!storage) in _sockops()
69 storage->token = msk->token; in _sockops()
70 __builtin_memcpy(storage->ca_name, msk->ca_name, TCP_CA_NAME_MAX); in _sockops()
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| D | tcp_rtt.c | 25 struct tcp_rtt_storage *storage; in _sockops() local
34 storage = bpf_sk_storage_get(&socket_storage_map, sk, 0, in _sockops()
36 if (!storage) in _sockops()
51 storage->invoked++; in _sockops()
53 storage->dsack_dups = tcp_sk->dsack_dups; in _sockops()
54 storage->delivered = tcp_sk->delivered; in _sockops()
55 storage->delivered_ce = tcp_sk->delivered_ce; in _sockops()
56 storage->icsk_retransmits = tcp_sk->icsk_retransmits; in _sockops()
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| D | sockopt_inherit.c | 56 struct sockopt_inherit *storage; in _getsockopt() local
65 storage = get_storage(ctx); in _getsockopt()
66 if (!storage) in _getsockopt()
71 optval[0] = storage->val; in _getsockopt()
87 struct sockopt_inherit *storage; in _setsockopt() local
96 storage = get_storage(ctx); in _setsockopt()
97 if (!storage) in _setsockopt()
100 storage->val = optval[0]; in _setsockopt()
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| D | sockopt_sk.c | 34 struct sockopt_sk *storage; in _getsockopt() local
116 storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0, in _getsockopt()
118 if (!storage) in _getsockopt()
127 optval[0] = storage->val; in _getsockopt()
144 struct sockopt_sk *storage; in _setsockopt() local
221 storage = bpf_sk_storage_get(&socket_storage_map, ctx->sk, 0, in _setsockopt()
223 if (!storage) in _setsockopt()
226 storage->val = optval[0]; in _setsockopt()
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| D | bench_local_storage_create.c | 14 struct storage { struct
22 __type(value, struct storage); argument
29 __type(value, struct storage);
45 struct storage *stg; in BPF_PROG()
64 struct storage *stg; in BPF_PROG()
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| /linux-6.6.21/Documentation/bpf/ |
| D | map_sk_storage.rst | 11 ``BPF_MAP_TYPE_SK_STORAGE`` is used to provide socket-local storage for BPF
12 programs. A map of type ``BPF_MAP_TYPE_SK_STORAGE`` declares the type of storage
14 storage. The values for maps of type ``BPF_MAP_TYPE_SK_STORAGE`` are stored
16 allocating storage for a socket when requested and for freeing the storage when
22 socket-local storage.
37 Socket-local storage for ``map`` can be retrieved from socket ``sk`` using the
39 flag is used then ``bpf_sk_storage_get()`` will create the storage for ``sk``
41 ``BPF_LOCAL_STORAGE_GET_F_CREATE`` to initialize the storage value, otherwise
42 it will be zero initialized. Returns a pointer to the storage on success, or
56 Socket-local storage for ``map`` can be deleted from socket ``sk`` using the
[all …]
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| D | map_cgrp_storage.rst | 9 storage for cgroups. It is only available with ``CONFIG_CGROUPS``.
21 To access the storage in a program, use ``bpf_cgrp_storage_get``::
26 a new local storage will be created if one does not exist.
28 The local storage can be removed with ``bpf_cgrp_storage_delete``::
81 The old cgroup storage map ``BPF_MAP_TYPE_CGROUP_STORAGE`` has been marked as
91 (2). ``BPF_MAP_TYPE_CGRP_STORAGE`` supports local storage for more than one
95 (3). ``BPF_MAP_TYPE_CGROUP_STORAGE_DEPRECATED`` allocates local storage at attach time so
96 ``bpf_get_local_storage()`` always returns non-NULL local storage.
97 ``BPF_MAP_TYPE_CGRP_STORAGE`` allocates local storage at runtime so
98 it is possible that ``bpf_cgrp_storage_get()`` may return null local storage.
[all …]
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| D | map_cgroup_storage.rst | 9 storage. It is only available with ``CONFIG_CGROUP_BPF``, and to programs that
11 storage is identified by the cgroup the program is attached to.
13 The map provide a local storage at the cgroup that the BPF program is attached
38 map will share the same storage. Otherwise, if the type is
42 To access the storage in a program, use ``bpf_get_local_storage``::
51 ``struct bpf_spin_lock`` to synchronize the storage. See
128 storage. The non-per-CPU will have the same memory region for each storage.
130 Prior to Linux 5.9, the lifetime of a storage is precisely per-attachment, and
133 multiple attach types, and each attach creates a fresh zeroed storage. The
134 storage is freed upon detach.
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| /linux-6.6.21/drivers/md/ |
| D | md-bitmap.c | 229 struct bitmap_storage *store = &bitmap->storage; in __write_sb_page()
437 struct bitmap_storage *store = &bitmap->storage; in filemap_write_page()
458 if (bitmap->storage.file) in md_bitmap_wait_writes()
482 if (!bitmap->storage.sb_page) /* no superblock */ in md_bitmap_update_sb()
484 sb = kmap_atomic(bitmap->storage.sb_page); in md_bitmap_update_sb()
506 if (bitmap->storage.file) in md_bitmap_update_sb()
507 write_file_page(bitmap, bitmap->storage.sb_page, 1); in md_bitmap_update_sb()
509 write_sb_page(bitmap, bitmap->storage.sb_index, in md_bitmap_update_sb()
510 bitmap->storage.sb_page, 1); in md_bitmap_update_sb()
519 if (!bitmap || !bitmap->storage.sb_page) in md_bitmap_print_sb()
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| /linux-6.6.21/drivers/usb/storage/ |
| D | Makefile | 14 obj-$(CONFIG_USB_STORAGE) += usb-storage.o
16 usb-storage-y := scsiglue.o protocol.o transport.o usb.o
17 usb-storage-y += initializers.o sierra_ms.o option_ms.o
18 usb-storage-y += usual-tables.o
19 usb-storage-$(CONFIG_USB_STORAGE_DEBUG) += debug.o
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| D | Kconfig | 13 Say Y here if you want to connect USB mass storage devices to your
22 (BLK_DEV_SD) for most USB storage devices.
25 module will be called usb-storage.
82 tristate "USBAT/USBAT02-based storage support"
84 Say Y here to include additional code to support storage devices
159 This code places the Rio Karma into mass storage mode, enabling
174 mass storage class.
194 storage devices. It permits higher performance by supporting
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| /linux-6.6.21/drivers/net/ethernet/mellanox/mlxsw/ |
| D | core_acl_flex_keys.c | 394 __mlxsw_item_set32(values->storage.key, storage_item, 0, key_value); in mlxsw_afk_values_add_u32()
395 __mlxsw_item_set32(values->storage.mask, storage_item, 0, mask_value); in mlxsw_afk_values_add_u32()
414 __mlxsw_item_memcpy_to(values->storage.key, key_value, in mlxsw_afk_values_add_buf()
416 __mlxsw_item_memcpy_to(values->storage.mask, mask_value, in mlxsw_afk_values_add_buf()
424 char *storage, char *output, int diff) in mlxsw_sp_afk_encode_u32() argument
428 value = __mlxsw_item_get32(storage, storage_item, 0); in mlxsw_sp_afk_encode_u32()
434 char *storage, char *output) in mlxsw_sp_afk_encode_buf() argument
436 char *storage_data = __mlxsw_item_data(storage, storage_item, 0); in mlxsw_sp_afk_encode_buf()
445 char *output, char *storage, int u32_diff) in mlxsw_sp_afk_encode_one() argument
455 storage, output, u32_diff); in mlxsw_sp_afk_encode_one()
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| /linux-6.6.21/Documentation/block/ |
| D | writeback_cache_control.rst | 8 Many storage devices, especially in the consumer market, come with volatile
10 operating system before data actually has hit the non-volatile storage. This
12 system needs to force data out to the non-volatile storage when it performs
16 control the caching behavior of the storage device. These mechanisms are
24 the filesystem and will make sure the volatile cache of the storage device
27 storage before the flagged bio starts. In addition the REQ_PREFLUSH flag can be
38 signaled after the data has been committed to non-volatile storage.
|
| /linux-6.6.21/Documentation/admin-guide/device-mapper/ |
| D | switch.rst | 18 Dell EqualLogic and some other iSCSI storage arrays use a distributed
19 frameless architecture. In this architecture, the storage group
20 consists of a number of distinct storage arrays ("members") each having
21 independent controllers, disk storage and network adapters. When a LUN
23 spreading are hidden from initiators connected to this storage system.
24 The storage group exposes a single target discovery portal, no matter
29 forwarding is invisible to the initiator. The storage layout is also
34 the storage group and initiators. In a multipathing configuration, it
38 robin algorithm to send I/O across all paths and let the storage array
|
| D | zero.rst | 13 than the amount of actual storage space available for that device. A user can
16 enough data has been written to fill up the actual storage space, the sparse
36 10GB of actual storage space available. If more than 10GB of data is written
|
| /linux-6.6.21/Documentation/usb/ |
| D | mass-storage.rst | 10 multiple logical units (LUNs). Backing storage for each LUN is
27 relation to mass storage function (or MSF) and different gadgets
35 The mass storage gadget accepts the following mass storage specific
41 backing storage for each logical unit. There may be at most
45 *BEWARE* that if a file is used as a backing storage, it may not
110 MS Windows mounts removable storage in “Removal optimised mode” by
196 Other gadgets using mass storage function
200 mass storage protocol. As a composite function, MSF may be used by
204 gadgets using MSF, except that support for mass storage related
209 For examples of how to include mass storage function in gadgets, one
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| /linux-6.6.21/Documentation/devicetree/bindings/arm/ |
| D | microchip,sparx5.yaml | 28 which has both spi-nor and eMMC storage. The modular design
36 either spi-nand or eMMC storage (mount option).
43 either spi-nand or eMMC storage (mount option).
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| /linux-6.6.21/drivers/iio/dac/ |
| D | ad5446.c | 149 #define _AD5446_CHANNEL(bits, storage, _shift, ext) { \ argument
159 .storagebits = (storage), \
165 #define AD5446_CHANNEL(bits, storage, shift) \ argument
166 _AD5446_CHANNEL(bits, storage, shift, NULL)
168 #define AD5446_CHANNEL_POWERDOWN(bits, storage, shift) \ argument
169 _AD5446_CHANNEL(bits, storage, shift, ad5446_ext_info_powerdown)
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| /linux-6.6.21/Documentation/ABI/testing/ |
| D | pstore | 6 Description: Generic interface to platform dependent persistent storage.
28 the file will signal to the underlying persistent storage
41 persistent storage until at least this amount is reached.
|
| /linux-6.6.21/arch/arm64/mm/ |
| D | mteswap.c | 18 void mte_free_tag_storage(char *storage) in mte_free_tag_storage() argument
20 kfree(storage); in mte_free_tag_storage()
|
| /linux-6.6.21/tools/perf/util/ |
| D | pfm.c | 276 struct strbuf storage; in print_libpfm_events() local
284 strbuf_init(&storage, 2048); in print_libpfm_events()
305 print_libpfm_event(print_cb, print_state, &pinfo, &info, &storage); in print_libpfm_events()
308 strbuf_release(&storage); in print_libpfm_events()
|