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/linux/kernel/bpf/
H A Dlocal_storage.c78 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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H A Dbpf_local_storage.c230 * is only supported in task local storage, where in bpf_selem_free()
385 * Unlink an selem from map and local storage with lock held.
431 * Unlink an selem from map and local storage with lockless fallback if callers
484 * Okay to skip clearing owner_storage and storage->owner in in bpf_selem_unlink_nofail()
558 struct bpf_local_storage *prev_storage, *storage; in bpf_local_storage_alloc() local
564 err = mem_charge(smap, owner, sizeof(*storage)); in bpf_local_storage_alloc()
569 storage = bpf_map_kmalloc_nolock(&smap->map, sizeof(*storage), in bpf_local_storage_alloc()
572 storage = bpf_map_kzalloc(&smap->map, sizeof(*storage), in bpf_local_storage_alloc()
574 if (!storage) { in bpf_local_storage_alloc()
579 INIT_HLIST_HEAD(&storage->list); in bpf_local_storage_alloc()
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/linux/tools/testing/selftests/bpf/progs/
H A Dlocal_storage.c65 struct local_storage *storage; in BPF_PROG()
78 storage = bpf_task_storage_get(&task_storage_map, task, 0, 0); in BPF_PROG()
79 if (!storage) in BPF_PROG()
83 is_self_unlink = storage->exec_inode == victim->d_inode; in BPF_PROG()
85 storage = bpf_task_storage_get(&task_storage_map2, task, 0, in BPF_PROG()
87 if (!storage || storage->value) in BPF_PROG()
106 struct local_storage *storage;
116 storage = bpf_inode_storage_get(&inode_storage_map, old_dentry->d_inode, in BPF_PROG()
118 if (!storage) in BPF_PROG()
66 struct local_storage *storage; BPF_PROG() local
112 struct local_storage *storage; BPF_PROG() local
142 struct local_storage *storage; BPF_PROG() local
188 struct local_storage *storage; BPF_PROG() local
211 struct local_storage *storage; BPF_PROG() local
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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()
67 return 0; /* EPERM, couldn't get sk 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()
98 return 0; /* EPERM, couldn't get sk storage */ in _setsockopt()
100 storage->val = optval[0]; in _setsockopt()
H A Dverifier_cgroup_storage.c31 __description("valid cgroup storage access")
50 __description("invalid cgroup storage access 1")
70 __description("invalid cgroup storage access 2")
89 __description("invalid cgroup storage access 3")
109 __description("invalid cgroup storage access 4")
130 __description("invalid cgroup storage access 5")
150 __description("invalid cgroup storage access 6")
170 __description("valid per-cpu cgroup storage access")
189 __description("invalid per-cpu cgroup storage access 1")
209 __description("invalid per-cpu cgroup storage access 2")
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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()
119 return 0; /* couldn't get sk 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()
224 return 0; /* couldn't get sk storage */ in _setsockopt()
226 storage->val = optval[0]; in _setsockopt()
/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_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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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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/linux/kernel/
H A Dstacktrace.c20 * @entries: Pointer to storage array
21 * @nr_entries: Number of entries in the storage array
41 * @entries: Pointer to storage array
42 * @nr_entries: Number of entries in the storage array
105 * stack_trace_save - Save a stack trace into a storage array
106 * @store: Pointer to storage array
107 * @size: Size of the storage array
128 * stack_trace_save_tsk - Save a task stack trace into a storage array
130 * @store: Pointer to storage array
131 * @size: Size of the storage array
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/linux/drivers/platform/x86/intel/uncore-frequency/
H A Duncore-frequency-common.h41 * @uncore_attr_group: Attribute group storage
42 * @max_freq_khz_kobj_attr: Storage for kobject attribute max_freq_khz
43 * @min_freq_khz_kobj_attr: Storage for kobject attribute min_freq_khz
44 * @initial_max_freq_khz_kobj_attr: Storage for kobject attribute initial_max_freq_khz
45 * @initial_min_freq_khz_kobj_attr: Storage for kobject attribute initial_min_freq_khz
46 * @current_freq_khz_kobj_attr: Storage for kobject attribute current_freq_khz
47 * @domain_id_kobj_attr: Storage for kobject attribute domain_id
48 * @fabric_cluster_id_kobj_attr: Storage for kobject attribute fabric_cluster_id
49 * @package_id_kobj_attr: Storage for kobject attribute package_id
51 * Storage for kobject attribute elc_low_threshold_percent
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/linux/Documentation/usb/
H A Dmass-storage.rst2 Mass Storage Gadget (MSG)
8 Mass Storage Gadget (or MSG) acts as a USB Mass Storage device,
10 multiple logical units (LUNs). Backing storage for each LUN is
27 relation to mass storage function (or MSF) and different gadgets
28 using it, and how it differs from File Storage Gadget (or FSG)
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
75 true. This has been changed to better match File Storage Gadget
110 MS Windows mounts removable storage in “Removal optimised mode” by
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/linux/drivers/usb/storage/
H A Dunusual_devs.h3 * Driver for USB Mass Storage compliant devices
58 "SND1 Storage",
290 "USB Mass Storage Device",
308 * Generic Mass Storage (PROTOTYPE--Remember to change idVendor)
404 "875DC Storage",
413 "785EPX Storage",
615 "File-backed Storage Gadget",
738 "PEG Mass Storage",
745 "PEG Mass Storage",
752 "PEG Mass Storage",
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H A DMakefile3 # Makefile for the USB Mass Storage device drivers.
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
/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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/linux/include/linux/
H A Drseq_types.h13 * struct rseq_event - Storage for rseq related event management
102 * struct rseq_data - Storage for all rseq related data
106 * @event: Storage for event management
107 * @ids: Storage for cached CPU ID and MM CID
108 * @slice: Storage for time slice extension data
132 * struct sched_mm_cid - Storage for per task MM CID data
145 * struct mm_cid_pcpu - Storage for per CPU MM_CID data
154 * struct mm_mm_cid - Storage for per MM CID data
155 * @pcpu: Per CPU storage for CIDs associated to a CPU
/linux/arch/powerpc/platforms/ps3/
H A DKconfig116 tristate "PS3 Disk Storage Driver"
120 Include support for the PS3 Disk Storage.
126 tristate "PS3 BD/DVD/CD-ROM Storage Driver"
130 Include support for the PS3 ROM Storage.
137 tristate "PS3 FLASH ROM Storage Driver"
141 Include support for the PS3 FLASH ROM Storage.
152 tristate "PS3 Video RAM Storage Driver"
156 storage or system swap.
/linux/arch/s390/include/asm/
H A Dnmi.h56 u64 se : 1; /* 16 storage error uncorrected */
57 u64 sc : 1; /* 17 storage error corrected */
58 u64 ke : 1; /* 18 storage-key error uncorrected */
59 u64 ds : 1; /* 19 storage degradation */
64 u64 fa : 1; /* 24 failing storage address validity */
71 u64 st : 1; /* 31 storage logical validity */
72 u64 ie : 1; /* 32 indirect storage error */
76 u64 gs : 1; /* 36 guarded storage registers validity */
H A Dqdio.h29 * @sliba: absolute address of storage list information block
30 * @sla: absolute address of storage list
31 * @slsba: absolute address of storage list state block
118 * struct slibe - storage list information block element (SLIBE)
134 * @sb_count: number of storage blocks
135 * @sba: storage block element addresses
136 * @dcount: size of storage block elements
158 * struct slib - storage list information block (SLIB)
216 * struct qdio_buffer - storage block address list (SBAL)
224 * struct sl_element - storage list entry
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/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
/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/md/
H A Dmd-bitmap.c9 * - added disk storage for bitmap
53 * a '1' bit is read from storage at startup.
186 } storage; member
240 bitmap->storage.filemap != NULL; in bitmap_enabled()
432 struct bitmap_storage *store = &bitmap->storage; in __write_sb_page()
433 unsigned long num_pages = bitmap->storage.file_pages; in __write_sb_page()
642 struct bitmap_storage *store = &bitmap->storage; in filemap_write_page()
663 if (bitmap->storage.file) in md_bitmap_wait_writes()
688 if (!bitmap->storage.sb_page) /* no superblock */ in bitmap_update_sb()
690 sb = kmap_local_page(bitmap->storage.sb_page); in bitmap_update_sb()
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/linux/drivers/net/ethernet/mellanox/mlxsw/
H A Dcore_acl_flex_keys.c13 /* For the purpose of the driver, define an internal storage scratchpad
15 * define an internal storage geometry.
446 __mlxsw_item_set32(values->storage.key, storage_item, 0, key_value); in mlxsw_afk_values_add_u32()
447 __mlxsw_item_set32(values->storage.mask, storage_item, 0, mask_value); in mlxsw_afk_values_add_u32()
466 __mlxsw_item_memcpy_to(values->storage.key, key_value, in mlxsw_afk_values_add_buf()
468 __mlxsw_item_memcpy_to(values->storage.mask, mask_value, in mlxsw_afk_values_add_buf()
476 char *storage, char *output, int diff) in mlxsw_sp_afk_encode_u32() argument
480 value = __mlxsw_item_get32(storage, storage_item, 0); in mlxsw_sp_afk_encode_u32()
486 char *storage, char *output) in mlxsw_sp_afk_encode_buf() argument
488 char *storage_data = __mlxsw_item_data(storage, storage_item, 0); in mlxsw_sp_afk_encode_buf()
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