| /linux/fs/bcachefs/ |
| H A D | btree_journal_iter.c | 13 * For managing keys we read from the journal: until journal replay works normal
14 * btree lookups need to be able to find and return keys from the journal where
19 static inline size_t pos_to_idx(struct journal_keys *keys, size_t pos) in pos_to_idx() argument
21 size_t gap_size = keys->size - keys->nr; in pos_to_idx()
23 BUG_ON(pos >= keys->gap && pos < keys->gap + gap_size); in pos_to_idx()
25 if (pos >= keys->gap) in pos_to_idx()
30 static inline size_t idx_to_pos(struct journal_keys *keys, size_t idx) in idx_to_pos() argument
32 size_t gap_size = keys->size - keys->nr; in idx_to_pos()
34 if (idx >= keys->gap) in idx_to_pos()
39 static inline struct journal_key *idx_to_key(struct journal_keys *keys, size_t idx) in idx_to_key() argument
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| H A D | btree_write_buffer.c | 223 if (!wb->inc.keys.nr) in move_keys_from_inc_to_flushing()
226 bch2_journal_pin_add(j, wb->inc.keys.data[0].journal_seq, &wb->flushing.pin, in move_keys_from_inc_to_flushing()
229 darray_resize(&wb->flushing.keys, min_t(size_t, 1U << 20, wb->flushing.keys.nr + wb->inc.keys.nr)); in move_keys_from_inc_to_flushing()
230 darray_resize(&wb->sorted, wb->flushing.keys.size); in move_keys_from_inc_to_flushing()
232 if (!wb->flushing.keys.nr && wb->sorted.size >= wb->inc.keys.nr) { in move_keys_from_inc_to_flushing()
233 swap(wb->flushing.keys, wb->inc.keys); in move_keys_from_inc_to_flushing()
237 size_t nr = min(darray_room(wb->flushing.keys), in move_keys_from_inc_to_flushing()
238 wb->sorted.size - wb->flushing.keys.nr); in move_keys_from_inc_to_flushing()
239 nr = min(nr, wb->inc.keys.nr); in move_keys_from_inc_to_flushing()
241 memcpy(&darray_top(wb->flushing.keys), in move_keys_from_inc_to_flushing()
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| /linux/drivers/input/keyboard/ |
| H A D | mtk-pmic-keys.c | 121 struct mtk_pmic_keys *keys; member
133 struct mtk_pmic_keys_info keys[MTK_PMIC_MAX_KEY_COUNT]; member
142 static void mtk_pmic_keys_lp_reset_setup(struct mtk_pmic_keys *keys, in mtk_pmic_keys_lp_reset_setup() argument
150 kregs_home = keys->keys[MTK_PMIC_HOMEKEY_INDEX].regs; in mtk_pmic_keys_lp_reset_setup()
151 kregs_pwr = keys->keys[MTK_PMIC_PWRKEY_INDEX].regs; in mtk_pmic_keys_lp_reset_setup()
153 error = of_property_read_u32(keys->dev->of_node, "power-off-time-sec", in mtk_pmic_keys_lp_reset_setup()
161 error = of_property_read_u32(keys->dev->of_node, in mtk_pmic_keys_lp_reset_setup()
185 regmap_update_bits(keys->regmap, regs->pmic_rst_reg, mask, value); in mtk_pmic_keys_lp_reset_setup()
193 regmap_read(info->keys->regmap, info->regs->deb_reg, &key_deb); in mtk_pmic_keys_irq_handler_thread()
199 input_report_key(info->keys->input_dev, info->keycode, pressed); in mtk_pmic_keys_irq_handler_thread()
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| H A D | ipaq-micro-keys.c | 43 struct ipaq_micro_keys *keys = data; in micro_key_receive() local
50 input_report_key(keys->input, keys->codes[key], down); in micro_key_receive()
51 input_sync(keys->input); in micro_key_receive()
55 static void micro_key_start(struct ipaq_micro_keys *keys) in micro_key_start() argument
57 guard(spinlock)(&keys->micro->lock); in micro_key_start()
59 keys->micro->key = micro_key_receive; in micro_key_start()
60 keys->micro->key_data = keys; in micro_key_start()
63 static void micro_key_stop(struct ipaq_micro_keys *keys) in micro_key_stop() argument
65 guard(spinlock)(&keys->micro->lock); in micro_key_stop()
67 keys->micro->key = NULL; in micro_key_stop()
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| /linux/tools/testing/selftests/bpf/progs/ |
| H A D | bpf_flow.c | 75 static __always_inline int export_flow_keys(struct bpf_flow_keys *keys, in export_flow_keys() argument
78 __u32 key = (__u32)(keys->sport) << 16 | keys->dport; in export_flow_keys()
81 memcpy(&val, keys, sizeof(val)); in export_flow_keys()
118 struct bpf_flow_keys *keys = skb->flow_keys; in parse_eth_proto() local
137 return export_flow_keys(keys, BPF_DROP); in parse_eth_proto()
140 return export_flow_keys(keys, BPF_DROP); in parse_eth_proto()
146 struct bpf_flow_keys *keys = skb->flow_keys; in _dissect() local
148 if (keys->n_proto == bpf_htons(ETH_P_IP)) { in _dissect()
161 return parse_eth_proto(skb, keys->n_proto); in _dissect()
167 struct bpf_flow_keys *keys = skb->flow_keys; in parse_ip_proto() local
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| /linux/security/keys/ |
| H A D | Kconfig | 6 config KEYS config
11 access keys in the kernel.
13 It also includes provision of methods by which such keys might be
18 a searchable sequence of keys. Each process is equipped with access
26 depends on KEYS
44 depends on KEYS
60 bool "Large payload keys"
61 depends on KEYS
65 This option provides support for holding large keys within the kernel
72 tristate "TRUSTED KEYS"
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| H A D | gc.c | 10 #include <keys/keyring-type.h>
19 * Reaper for unused keys.
25 * Reaper for links from keyrings to dead keys.
93 * reaper to go through a cycle finding expired keys.
103 * Reap keys of dead type.
106 * collector: the first to mark keys of that type as being dead, the second to
107 * collect dead links and the third to clean up the dead keys. We have to be
133 * Garbage collect a list of unreferenced, detached keys
135 static noinline void key_gc_unused_keys(struct list_head *keys) in key_gc_unused_keys() argument
137 while (!list_empty(keys)) { in key_gc_unused_keys()
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| /linux/arch/arm64/include/asm/ |
| H A D | pointer_auth.h | 33 * We give each process its own keys, which are shared by all threads. The keys
57 static __always_inline void ptrauth_keys_init_kernel(struct ptrauth_keys_kernel *keys) in ptrauth_keys_init_kernel() argument
60 get_random_bytes(&keys->apia, sizeof(keys->apia)); in ptrauth_keys_init_kernel()
63 static __always_inline void ptrauth_keys_switch_kernel(struct ptrauth_keys_kernel *keys) in ptrauth_keys_switch_kernel() argument
68 __ptrauth_key_install_nosync(APIA, keys->apia); in ptrauth_keys_switch_kernel()
74 static inline void ptrauth_keys_install_user(struct ptrauth_keys_user *keys) in ptrauth_keys_install_user() argument
77 __ptrauth_key_install_nosync(APIB, keys->apib); in ptrauth_keys_install_user()
78 __ptrauth_key_install_nosync(APDA, keys->apda); in ptrauth_keys_install_user()
79 __ptrauth_key_install_nosync(APDB, keys->apdb); in ptrauth_keys_install_user()
83 __ptrauth_key_install_nosync(APGA, keys->apga); in ptrauth_keys_install_user()
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| /linux/security/integrity/ |
| H A D | Kconfig | 22 select KEYS
29 to "lock" certain keyring to prevent adding new keys.
30 This is useful for evm and module keyrings, when keys are
34 bool "Enable asymmetric keys support"
43 asymmetric keys.
46 bool "Require all keys on the integrity keyrings be signed"
51 This option requires that all keys added to the .ima and
56 bool "Provide keyring for platform/firmware trusted keys"
60 Provide a separate, distinct keyring for platform trusted keys, which
66 bool "Provide a keyring to which Machine Owner Keys may be added"
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| /linux/certs/ |
| H A D | Kconfig | 39 Note: Remove all ECDSA signing keys, e.g. certs/signing_key.pem,
45 bool "Provide system-wide ring of trusted keys"
46 depends on KEYS
50 Provide a system keyring to which trusted keys can be added. Keys in
51 the keyring are considered to be trusted. Keys may be added at will
53 userspace may only add extra keys if those keys can be verified by
54 keys already in the keyring.
56 Keys in this keyring are used by module signature checking.
59 string "Additional X.509 keys for default system keyring"
67 NOTE: If you previously provided keys for the system keyring in the
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| /linux/tools/testing/selftests/net/ |
| H A D | tcp_fastopen_backup_key.c | 5 * New keys are 'rotated' in two steps:
7 * 2) Make new key the primary by swapping the backup and primary keys
49 static void get_keys(int fd, uint32_t *keys) in get_keys() argument
55 if (getsockopt(fd, SOL_TCP, TCP_FASTOPEN_KEY, keys, &len)) in get_keys()
62 if (sscanf(buf, "%x-%x-%x-%x,%x-%x-%x-%x", keys, keys + 1, keys + 2, in get_keys()
63 keys + 3, keys + 4, keys + 5, keys + 6, keys + 7) != 8) in get_keys()
67 static void set_keys(int fd, uint32_t *keys) in set_keys() argument
72 if (setsockopt(fd, SOL_TCP, TCP_FASTOPEN_KEY, keys, in set_keys()
79 keys[0], keys[1], keys[2], keys[3], keys[4], keys[5], in set_keys()
80 keys[6], keys[7]); in set_keys()
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| /linux/tools/testing/selftests/bpf/map_tests/ |
| H A D | htab_map_batch_ops.c | 14 static void map_batch_update(int map_fd, __u32 max_entries, int *keys, in map_batch_update() argument
29 keys[i] = i + 1; in map_batch_update()
37 err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &opts); in map_batch_update()
42 int *keys, void *values, bool is_pcpu) in map_batch_verify() argument
56 CHECK(keys[i] + 1 + j != bpf_percpu(v[i], j), in map_batch_verify()
59 i, j, keys[i], bpf_percpu(v[i], j)); in map_batch_verify()
62 CHECK(keys[i] + 1 != ((int *)values)[i], in map_batch_verify()
64 "error: i %d key %d value %d\n", i, keys[i], in map_batch_verify()
73 "error: keys array at index %d missing\n", i); in map_batch_verify()
81 int map_fd, *keys, *visited, key; in __test_map_lookup_and_delete_batch() local
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| H A D | array_map_batch_ops.c | 15 static void map_batch_update(int map_fd, __u32 max_entries, int *keys, in map_batch_update() argument
26 keys[i] = i; in map_batch_update()
36 err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &opts); in map_batch_update()
40 static void map_batch_verify(int *visited, __u32 max_entries, int *keys, in map_batch_verify() argument
52 CHECK(keys[i] + j + 1 != value, in map_batch_verify()
55 j, keys[i], value); in map_batch_verify()
58 CHECK(keys[i] + 1 != values[i], "key/value checking", in map_batch_verify()
59 "error: i %d key %d value %lld\n", i, keys[i], in map_batch_verify()
66 "error: keys array at index %d missing\n", i); in map_batch_verify()
72 int map_fd, *keys, *visited; in __test_map_lookup_and_update_batch() local
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| H A D | lpm_trie_map_batch_ops.c | 23 struct test_lpm_key *keys, int *values) in map_batch_update() argument
34 keys[i].prefix = 32; in map_batch_update()
36 inet_pton(AF_INET, buff, &keys[i].ipv4); in map_batch_update()
40 err = bpf_map_update_batch(map_fd, keys, values, &max_entries, &opts); in map_batch_update()
45 struct test_lpm_key *keys, int *values) in map_batch_verify() argument
53 inet_ntop(AF_INET, &keys[i].ipv4, buff, 32); in map_batch_verify()
62 "error: keys array at index %d missing\n", i); in map_batch_verify()
69 struct test_lpm_key *keys, key; in test_lpm_trie_map_batch_ops() local
86 keys = malloc(max_entries * sizeof(struct test_lpm_key)); in test_lpm_trie_map_batch_ops()
89 CHECK(!keys || !values || !visited, "malloc()", "error:%s\n", in test_lpm_trie_map_batch_ops()
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| /linux/arch/arm64/kernel/ |
| H A D | pointer_auth.c | 13 struct ptrauth_keys_user *keys = &tsk->thread.keys_user; in ptrauth_prctl_reset_keys() local
25 ptrauth_keys_init_user(keys); in ptrauth_prctl_reset_keys()
37 get_random_bytes(&keys->apia, sizeof(keys->apia)); in ptrauth_prctl_reset_keys()
39 get_random_bytes(&keys->apib, sizeof(keys->apib)); in ptrauth_prctl_reset_keys()
41 get_random_bytes(&keys->apda, sizeof(keys->apda)); in ptrauth_prctl_reset_keys()
43 get_random_bytes(&keys->apdb, sizeof(keys->apdb)); in ptrauth_prctl_reset_keys()
45 get_random_bytes(&keys->apga, sizeof(keys->apga)); in ptrauth_prctl_reset_keys()
46 ptrauth_keys_install_user(keys); in ptrauth_prctl_reset_keys()
67 int ptrauth_set_enabled_keys(struct task_struct *tsk, unsigned long keys, in ptrauth_set_enabled_keys() argument
78 if ((keys & ~PR_PAC_ENABLED_KEYS_MASK) || (enabled & ~keys)) in ptrauth_set_enabled_keys()
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| /linux/Documentation/security/keys/ |
| H A D | trusted-encrypted.rst | 2 Trusted and Encrypted Keys
5 Trusted and Encrypted Keys are two new key types added to the existing kernel
6 key ring service. Both of these new types are variable length symmetric keys,
7 and in both cases all keys are created in the kernel, and user space sees,
8 stores, and loads only encrypted blobs. Trusted Keys require the availability
9 of a Trust Source for greater security, while Encrypted Keys can be used on any
17 A trust source provides the source of security for Trusted Keys. This
23 consumer of the Trusted Keys to determine if the trust source is sufficiently
49 DCP provides two keys that can be used as root of trust: the OTP key
78 Keys can be optionally sealed to specified PCR (integrity measurement)
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| H A D | core.rst | 5 This service allows cryptographic keys, authentication tokens, cross-domain
10 other keys. Processes each have three standard keyring subscriptions that a
11 kernel service can search for relevant keys.
25 In this context, keys represent units of cryptographic data, authentication
47 kernel by a kernel service (such as a filesystem) before keys of that type
53 Should a type be removed from the system, all the keys of that type will
65 instantiation function. Keys can also be immortal.
68 actual "key". In the case of a keyring, this is a list of keys to which
86 Keys being requested from userspace will be in this state.
96 * Expired. Keys can have lifetimes set. If their lifetime is exceeded,
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| /linux/lib/ |
| H A D | test_static_keys.c | 3 * Kernel module for testing static keys.
14 /* old keys */
55 static void invert_keys(struct test_key *keys, int size) in invert_keys() argument
61 if (previous != keys[i].key) { in invert_keys()
62 invert_key(keys[i].key); in invert_keys()
63 previous = keys[i].key; in invert_keys()
68 static int verify_keys(struct test_key *keys, int size, bool invert) in verify_keys() argument
74 ret = static_key_enabled(keys[i].key); in verify_keys()
75 init = keys[i].init_state; in verify_keys()
78 ret = keys[i].test_key(); in verify_keys()
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| /linux/drivers/md/bcache/ |
| H A D | btree.c | 18 * as keys are inserted we only sort the pages that have not yet been written.
52 * Check for bad keys in replay
115 if (b->level && b->keys.nsets) in bch_btree_init_next()
116 bch_btree_sort(&b->keys, &b->c->sort); in bch_btree_init_next()
118 bch_btree_sort_lazy(&b->keys, &b->c->sort); in bch_btree_init_next()
121 bch_bset_init_next(&b->keys, write_block(b), in bch_btree_init_next()
164 iter.b = &b->keys; in bch_btree_node_read_done()
171 b->written < btree_blocks(b) && i->seq == b->keys.set[0].data->seq; in bch_btree_node_read_done()
199 if (i != b->keys.set[0].data && !i->keys) in bch_btree_node_read_done()
209 bset_sector_offset(&b->keys, i) < KEY_SIZE(&b->key); in bch_btree_node_read_done()
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| H A D | debug.c | 44 sorted = b->c->verify_data->keys.set->data; in bch_btree_verify()
45 inmemory = b->keys.set->data; in bch_btree_verify()
50 v->keys.ops = b->keys.ops; in bch_btree_verify()
65 sorted = v->keys.set->data; in bch_btree_verify()
67 if (inmemory->keys != sorted->keys || in bch_btree_verify()
78 bch_dump_bset(&b->keys, inmemory, 0); in bch_btree_verify()
81 bch_dump_bset(&v->keys, sorted, 0); in bch_btree_verify()
88 bch_dump_bset(&b->keys, i, block); in bch_btree_verify()
94 for (j = 0; j < inmemory->keys; j++) in bch_btree_verify()
164 struct keybuf keys; member
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| /linux/drivers/net/ethernet/cisco/enic/ |
| H A D | enic_clsf.c | 15 * @keys: flow_keys of ipv4 5tuple
21 int enic_addfltr_5t(struct enic *enic, struct flow_keys *keys, u16 rq) in enic_addfltr_5t() argument
26 switch (keys->basic.ip_proto) { in enic_addfltr_5t()
38 data.u.ipv4.src_addr = ntohl(keys->addrs.v4addrs.src); in enic_addfltr_5t()
39 data.u.ipv4.dst_addr = ntohl(keys->addrs.v4addrs.dst); in enic_addfltr_5t()
40 data.u.ipv4.src_port = ntohs(keys->ports.src); in enic_addfltr_5t()
41 data.u.ipv4.dst_port = ntohs(keys->ports.dst); in enic_addfltr_5t()
162 if (tpos->keys.addrs.v4addrs.src == k->addrs.v4addrs.src && in htbl_key_search()
163 tpos->keys.addrs.v4addrs.dst == k->addrs.v4addrs.dst && in htbl_key_search()
164 tpos->keys.ports.ports == k->ports.ports && in htbl_key_search()
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| /linux/tools/testing/selftests/net/tcp_ao/ |
| H A D | key-management.c | 240 try_delete_key("closed socket, delete all keys", sk, 100, 100, 0, -1, -1, 0); in check_closed_socket()
245 test_error("failed to set current/rnext keys"); in check_closed_socket()
265 test_error("failed to set current/rnext keys"); in check_closed_socket()
286 test_xfail("%s: the socket has current/rnext keys: %d:%d", in assert_no_current_rnext()
291 test_ok("%s: the socket has no current/rnext keys", tst_msg); in assert_no_current_rnext()
326 try_delete_key("listen socket, delete all keys", sk, 100, 100, 0, -1, -1, 0); in check_listen_socket()
344 test_error("failed to set current/rnext keys"); in check_listen_socket()
347 assert_no_current_rnext("listen() after current/rnext keys set", sk); in check_listen_socket()
427 struct test_key *keys; member
454 struct test_key *key = &collection.keys[index]; in init_key_in_collection()
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| /linux/drivers/md/dm-vdo/indexer/ |
| H A D | radix-sort.c | 17 * keys to be sorted.
23 /* Sort keys are pointers to immutable fixed-length arrays of bytes. */
27 * The keys are separated into piles based on the byte in each keys at the current offset, so the
28 * number of keys with each byte must be counted.
52 /* The number of bytes remaining in the sort keys. */
65 /* Compare a segment of two fixed-length keys starting at an offset. */
71 /* Insert the next unsorted key into an array of sorted keys. */
88 * 256-way radix sort when the number of keys to sort is small.
118 * Count the number of times each byte value appears in the arrays of keys to sort at the current
157 * After the keys are moved to the appropriate pile, we'll need to sort each of the piles by the
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| /linux/drivers/mfd/ |
| H A D | ucb1x00-assabet.c | 41 struct gpio_keys_platform_data keys; in ucb1x00_assabet_add() local
46 memset(&keys, 0, sizeof(keys)); in ucb1x00_assabet_add()
55 keys.buttons = buttons; in ucb1x00_assabet_add()
56 keys.nbuttons = ARRAY_SIZE(buttons); in ucb1x00_assabet_add()
57 keys.poll_interval = 50; in ucb1x00_assabet_add()
58 keys.name = "ucb1x00"; in ucb1x00_assabet_add()
60 pdev = platform_device_register_data(&ucb->dev, "gpio-keys", -1, in ucb1x00_assabet_add()
61 &keys, sizeof(keys)); in ucb1x00_assabet_add()
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| /linux/net/core/ |
| H A D | flow_dissector.c | 1042 * @flow_dissector: list of keys to dissect
1051 * The function will try to retrieve individual keys into target specified
1767 static inline void __flow_hash_consistentify(struct flow_keys *keys) in __flow_hash_consistentify() argument
1771 switch (keys->control.addr_type) { in __flow_hash_consistentify()
1773 if ((__force u32)keys->addrs.v4addrs.dst < in __flow_hash_consistentify()
1774 (__force u32)keys->addrs.v4addrs.src) in __flow_hash_consistentify()
1775 swap(keys->addrs.v4addrs.src, keys->addrs.v4addrs.dst); in __flow_hash_consistentify()
1777 if ((__force u16)keys->ports.dst < in __flow_hash_consistentify()
1778 (__force u16)keys->ports.src) { in __flow_hash_consistentify()
1779 swap(keys->ports.src, keys->ports.dst); in __flow_hash_consistentify()
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