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/linux/tools/testing/selftests/bpf/progs/
H A Dlocal_storage.c66 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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H A Dmptcp_sock.c31 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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H A Dtcp_rtt.c28 struct tcp_rtt_storage *storage; in _sockops() local
37 storage = bpf_sk_storage_get(&socket_storage_map, sk, 0, in _sockops()
39 if (!storage) in _sockops()
54 storage->invoked++; in _sockops()
56 storage->dsack_dups = tcp_sk->dsack_dups; in _sockops()
57 storage->delivered = tcp_sk->delivered; in _sockops()
58 storage->delivered_ce = tcp_sk->delivered_ce; in _sockops()
59 storage->icsk_retransmits = tcp_sk->icsk_retransmits; in _sockops()
61 storage->mrtt_us = ctx->args[0]; in _sockops()
62 storage->srtt = ctx->args[1]; in _sockops()
H A Dsockopt_inherit.c56 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()
H A Dsockopt_sk.c34 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()
H A Dbench_local_storage_create.c14 struct storage { struct
22 __type(value, struct storage); argument
29 __type(value, struct storage);
45 struct storage *stg; in BPF_PROG()
65 struct storage *stg; in BPF_PROG()
/linux/Documentation/bpf/
H A Dmap_sk_storage.rst11 ``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
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H A Dmap_cgrp_storage.rst9 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.
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H A Dmap_cgroup_storage.rst9 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/tools/perf/util/
H A Dllvm.c105 struct symbol_lookup_storage *storage = disinfo; in symbol_lookup_callback() local
108 storage->branch_addr = value; in symbol_lookup_callback()
110 storage->pcrel_load_addr = value; in symbol_lookup_callback()
135 struct symbol_lookup_storage storage; in symbol__disassemble_llvm() local
152 disasm = LLVMCreateDisasm(triplet, &storage, /*tag_type=*/0, in symbol__disassemble_llvm()
159 disasm = LLVMCreateDisasm(triplet, &storage, /*tag_type=*/0, in symbol__disassemble_llvm()
199 storage.branch_addr = 0; in symbol__disassemble_llvm()
200 storage.pcrel_load_addr = 0; in symbol__disassemble_llvm()
213 if (storage.branch_addr != 0) { in symbol__disassemble_llvm()
215 storage.branch_addr); in symbol__disassemble_llvm()
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H A Dpfm.c288 struct strbuf storage; in print_libpfm_events() local
296 strbuf_init(&storage, 2048); in print_libpfm_events()
317 print_libpfm_event(print_cb, print_state, &pinfo, &info, &storage); in print_libpfm_events()
320 strbuf_release(&storage); in print_libpfm_events()
H A Dlibbfd.c91 long storage; in slurp_symtab() local
99 storage = bfd_get_symtab_upper_bound(abfd); in slurp_symtab()
100 if (storage == 0L) { in slurp_symtab()
101 storage = bfd_get_dynamic_symtab_upper_bound(abfd); in slurp_symtab()
104 if (storage < 0L) in slurp_symtab()
107 syms = malloc(storage); in slurp_symtab()
/linux/drivers/iio/dac/
H A Dad5446.h15 #define _AD5446_CHANNEL(bits, storage, _shift, ext) { \ argument
25 .storagebits = (storage), \
31 #define AD5446_CHANNEL(bits, storage, shift) \ argument
32 _AD5446_CHANNEL(bits, storage, shift, NULL)
34 #define AD5446_CHANNEL_POWERDOWN(bits, storage, shift) \ argument
35 _AD5446_CHANNEL(bits, storage, shift, ad5446_ext_info_powerdown)
/linux/drivers/usb/storage/
H A DMakefile14 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
/linux/kernel/bpf/
H A Dbpf_local_storage.c225 * is only supported in task local storage, where in bpf_selem_free_trace_rcu()
295 * read if the freeing of the storage is done in bpf_selem_unlink_storage_nolock()
299 * to the caller which then calls then frees the storage after in bpf_selem_unlink_storage_nolock()
425 struct bpf_local_storage *prev_storage, *storage; in bpf_selem_unlink_map()
429 err = mem_charge(smap, owner, sizeof(*storage));
434 storage = bpf_map_kmalloc_nolock(&smap->map, sizeof(*storage), in bpf_selem_link_map()
437 storage = bpf_map_kzalloc(&smap->map, sizeof(*storage), in bpf_selem_link_map()
439 if (!storage) { in bpf_selem_link_map()
488 struct bpf_local_storage *prev_storage, *storage; bpf_local_storage_alloc() local
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/linux/drivers/target/iscsi/
H A DKconfig10 is software that makes local storage available over a storage network
11 to a SCSI initiator system. The supported storage network technologies
/linux/Documentation/block/
H A Dwriteback_cache_control.rst8 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/Documentation/admin-guide/device-mapper/
H A Dswitch.rst18 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
H A Dzero.rst13 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
H A Ddm-log.rst37 performance. This method can also be used if no storage device is
55 provide a cluster-coherent log for shared-storage. Device-mapper mirroring
56 can be used in a shared-storage environment when the cluster log implementations
/linux/Documentation/usb/
H A Dmass-storage.rst10 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/Documentation/ABI/testing/
H A Dpstore6 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.
H A Dsysfs-devices-virtual-misc-tdx_guest24 (RO) MRCONFIGID - 48-byte immutable storage typically used for
33 (RO) MROWNER - 48-byte immutable storage typically used for
41 (RO) MROWNERCONFIG - 48-byte immutable storage typically used
/linux/Documentation/devicetree/bindings/mmc/
H A Dbluefield-dw-mshc.txt6 The Synopsys designware mobile storage host controller is used to interface
7 a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
/linux/drivers/gpu/drm/i915/gt/uc/
H A Dintel_guc_ads.c260 struct guc_mmio_reg *storage; member
281 struct guc_mmio_reg *r = krealloc(regset->storage, in __mmio_reg_add()
289 regset->registers = r + (regset->registers - regset->storage); in __mmio_reg_add()
290 regset->storage = r; in __mmio_reg_add()
294 slot = &regset->storage[pos]; in __mmio_reg_add()
305 u32 count = regset->storage_used - (regset->registers - regset->storage); in guc_mmio_reg_add()
389 regset->registers = regset->storage + regset->storage_used; in guc_mmio_regset_init()
453 guc->ads_regset = temp_set.storage; in guc_mmio_reg_state_create()
461 kfree(temp_set.storage); in guc_mmio_reg_state_create()

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