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Searched refs:seed (Results 1 – 25 of 131) sorted by relevance

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/Linux-v4.19/lib/
Dxxhash.c94 static uint32_t xxh32_round(uint32_t seed, const uint32_t input) in xxh32_round() argument
96 seed += input * PRIME32_2; in xxh32_round()
97 seed = xxh_rotl32(seed, 13); in xxh32_round()
98 seed *= PRIME32_1; in xxh32_round()
99 return seed; in xxh32_round()
102 uint32_t xxh32(const void *input, const size_t len, const uint32_t seed) in xxh32() argument
110 uint32_t v1 = seed + PRIME32_1 + PRIME32_2; in xxh32()
111 uint32_t v2 = seed + PRIME32_2; in xxh32()
112 uint32_t v3 = seed + 0; in xxh32()
113 uint32_t v4 = seed - PRIME32_1; in xxh32()
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Dtest_hash.c27 xorshift(u32 seed) in xorshift() argument
29 seed ^= seed << 13; in xorshift()
30 seed ^= seed >> 17; in xorshift()
31 seed ^= seed << 5; in xorshift()
32 return seed; in xorshift()
48 fill_buf(char *buf, size_t len, u32 seed) in fill_buf() argument
53 seed = xorshift(seed); in fill_buf()
54 buf[i] = mod255(seed); in fill_buf()
Drandom32.c161 static void prandom_seed_early(struct rnd_state *state, u32 seed, in prandom_seed_early() argument
166 state->s1 = __seed(HWSEED() ^ LCG(seed), 2U); in prandom_seed_early()
307 u32 seed; member
317 u32 seed; member
432 prandom_seed_early(&state, test1[i].seed, false); in prandom_state_selftest()
447 prandom_seed_early(&state, test2[i].seed, false); in prandom_state_selftest()
/Linux-v4.19/kernel/trace/
Dtrace_benchmark.c43 u64 seed; in trace_do_benchmark() local
124 seed = avg; in trace_do_benchmark()
126 last_seed = seed; in trace_do_benchmark()
127 seed = stddev; in trace_do_benchmark()
130 do_div(seed, last_seed); in trace_do_benchmark()
131 seed += last_seed; in trace_do_benchmark()
132 do_div(seed, 2); in trace_do_benchmark()
133 } while (i++ < 10 && last_seed != seed); in trace_do_benchmark()
135 std = seed; in trace_do_benchmark()
/Linux-v4.19/drivers/firmware/efi/
Defi.c549 struct linux_efi_random_seed *seed; in efi_config_parse_tables() local
552 seed = early_memremap(efi.rng_seed, sizeof(*seed)); in efi_config_parse_tables()
553 if (seed != NULL) { in efi_config_parse_tables()
554 size = seed->size; in efi_config_parse_tables()
555 early_memunmap(seed, sizeof(*seed)); in efi_config_parse_tables()
560 seed = early_memremap(efi.rng_seed, in efi_config_parse_tables()
561 sizeof(*seed) + size); in efi_config_parse_tables()
562 if (seed != NULL) { in efi_config_parse_tables()
564 add_device_randomness(seed->bits, seed->size); in efi_config_parse_tables()
565 early_memunmap(seed, sizeof(*seed) + size); in efi_config_parse_tables()
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/Linux-v4.19/include/linux/
Drandom.h111 void prandom_seed(u32 seed);
155 static inline void prandom_seed_state(struct rnd_state *state, u64 seed) in prandom_seed_state() argument
157 u32 i = (seed >> 32) ^ (seed << 10) ^ seed; in prandom_seed_state()
195 static inline u32 next_pseudo_random32(u32 seed) in next_pseudo_random32() argument
197 return seed * 1664525 + 1013904223; in next_pseudo_random32()
Dxxhash.h95 uint32_t xxh32(const void *input, size_t length, uint32_t seed);
108 uint64_t xxh64(const void *input, size_t length, uint64_t seed);
155 void xxh32_reset(struct xxh32_state *state, uint32_t seed);
189 void xxh64_reset(struct xxh64_state *state, uint64_t seed);
/Linux-v4.19/drivers/firmware/efi/libstub/
Drandom.c154 struct linux_efi_random_seed *seed; in efi_random_get_seed() local
163 sizeof(*seed) + EFI_RANDOM_SEED_SIZE, in efi_random_get_seed()
164 (void **)&seed); in efi_random_get_seed()
169 seed->bits); in efi_random_get_seed()
176 seed->bits); in efi_random_get_seed()
181 seed->size = EFI_RANDOM_SEED_SIZE; in efi_random_get_seed()
183 seed); in efi_random_get_seed()
190 efi_call_early(free_pool, seed); in efi_random_get_seed()
/Linux-v4.19/drivers/crypto/
Dexynos-rng.c98 const u8 *seed, unsigned int slen) in exynos_rng_set_seed() argument
112 val = seed[i] << 24; in exynos_rng_set_seed()
113 val |= seed[i + 1] << 16; in exynos_rng_set_seed()
114 val |= seed[i + 2] << 8; in exynos_rng_set_seed()
115 val |= seed[i + 3] << 0; in exynos_rng_set_seed()
178 u8 seed[EXYNOS_RNG_SEED_SIZE]; in exynos_rng_reseed() local
184 if (exynos_rng_get_random(rng, seed, sizeof(seed), &read)) in exynos_rng_reseed()
187 exynos_rng_set_seed(rng, seed, read); in exynos_rng_reseed()
225 static int exynos_rng_seed(struct crypto_rng *tfm, const u8 *seed, in exynos_rng_seed() argument
237 ret = exynos_rng_set_seed(ctx->rng, seed, slen); in exynos_rng_seed()
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/Linux-v4.19/arch/arm64/kernel/
Dkaslr.c81 u64 seed, offset, mask, module_range; in kaslr_early_init() local
104 seed = get_kaslr_seed(fdt); in kaslr_early_init()
105 if (!seed) in kaslr_early_init()
128 offset = BIT(VA_BITS - 3) + (seed & mask); in kaslr_early_init()
131 memstart_offset_seed = seed >> 48; in kaslr_early_init()
169 module_alloc_base += (module_range * (seed & ((1 << 21) - 1))) >> 21; in kaslr_early_init()
/Linux-v4.19/arch/s390/crypto/
Darch_random.c83 u8 seed[ARCH_PRNG_SEED_SIZE]; in arch_rng_refill_buffer() local
86 cpacf_trng(NULL, 0, seed, sizeof(seed)); in arch_rng_refill_buffer()
90 &prng_wa, NULL, 0, seed, sizeof(seed)); in arch_rng_refill_buffer()
Dprng.c238 static const u8 seed[] __initconst = { in prng_sha512_selftest() local
316 &ws, NULL, 0, seed, sizeof(seed)); in prng_sha512_selftest()
348 u8 seed[64 + 32 + 16]; in prng_sha512_instantiate() local
372 ret = generate_entropy(seed, 64 + 32); in prng_sha512_instantiate()
376 get_tod_clock_ext(seed + 64 + 32); in prng_sha512_instantiate()
380 &prng_data->prnows, NULL, 0, seed, sizeof(seed)); in prng_sha512_instantiate()
409 u8 seed[64]; in prng_sha512_reseed() local
412 ret = generate_entropy(seed, sizeof(seed)); in prng_sha512_reseed()
413 if (ret != sizeof(seed)) in prng_sha512_reseed()
418 &prng_data->prnows, NULL, 0, seed, sizeof(seed)); in prng_sha512_reseed()
/Linux-v4.19/drivers/crypto/sunxi-ss/
Dsun4i-ss-prng.c3 int sun4i_ss_prng_seed(struct crypto_rng *tfm, const u8 *seed, in sun4i_ss_prng_seed() argument
10 memcpy(algt->ss->seed, seed, slen); in sun4i_ss_prng_seed()
38 writel(ss->seed[i], ss->base + SS_KEY0 + i * 4); in sun4i_ss_prng_generate()
49 ss->seed[i] = v; in sun4i_ss_prng_generate()
/Linux-v4.19/arch/x86/tools/
Dinsn_sanity.c50 static unsigned int seed; /* Random seed */ variable
118 fprintf(fp, " $ %s -s 0x%x,%lu\n", prog, seed, nr_iter); in dump_stream()
130 if (read(fd, &seed, sizeof(seed)) != sizeof(seed)) in init_random_seed()
202 seed = (unsigned int)strtoul(optarg, &tmp, 0); in parse_args()
232 srand(seed); in parse_args()
279 seed); in main()
/Linux-v4.19/drivers/base/power/
Dtrace.c138 static unsigned int hash_string(unsigned int seed, const char *data, unsigned int mod) in hash_string() argument
142 seed = (seed << 16) + (seed << 6) - seed + c; in hash_string()
144 return seed % mod; in hash_string()
/Linux-v4.19/crypto/
Dansi_cprng.c370 const u8 *seed, unsigned int slen) in cprng_reset() argument
373 const u8 *key = seed + DEFAULT_BLK_SZ; in cprng_reset()
382 reset_prng_context(prng, key, DEFAULT_PRNG_KSZ, seed, dt); in cprng_reset()
400 const u8 *seed, unsigned int slen) in fips_cprng_reset() argument
403 const u8 *key = seed + DEFAULT_BLK_SZ; in fips_cprng_reset()
412 if (!memcmp(seed, key, DEFAULT_PRNG_KSZ)) in fips_cprng_reset()
415 rc = cprng_reset(tfm, seed, slen); in fips_cprng_reset()
431 .seed = cprng_reset,
445 .seed = fips_cprng_reset,
Drng.c36 int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed, unsigned int slen) in crypto_rng_reset() argument
41 if (!seed && slen) { in crypto_rng_reset()
49 seed = buf; in crypto_rng_reset()
52 err = crypto_rng_alg(tfm)->seed(tfm, seed, slen); in crypto_rng_reset()
/Linux-v4.19/Documentation/networking/
Dcops.txt52 dummy -seed -phase 2 -net 2000 -addr 2000.10 -zone "1033"
53 lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
56 eth0 -seed -phase 2 -net 3000 -addr 3000.20 -zone "1033"
57 lt0 -seed -phase 1 -net 1000 -addr 1000.50 -zone "1033"
61 lt0 -seed -phase 1 -net 1000 -addr 1000.10 -zone "LocalTalk1"
62 lt1 -seed -phase 1 -net 2000 -addr 2000.20 -zone "LocalTalk2"
63 eth0 -seed -phase 2 -net 3000 -addr 3000.30 -zone "EtherTalk"
/Linux-v4.19/include/net/
Dipv6_frag.h40 static inline u32 ip6frag_key_hashfn(const void *data, u32 len, u32 seed) in ip6frag_key_hashfn() argument
43 sizeof(struct frag_v6_compare_key) / sizeof(u32), seed); in ip6frag_key_hashfn()
46 static inline u32 ip6frag_obj_hashfn(const void *data, u32 len, u32 seed) in ip6frag_obj_hashfn() argument
51 sizeof(struct frag_v6_compare_key) / sizeof(u32), seed); in ip6frag_obj_hashfn()
/Linux-v4.19/drivers/char/hw_random/
Dhisi-rng.c41 u32 seed; in hisi_rng_init() local
44 get_random_bytes(&seed, sizeof(seed)); in hisi_rng_init()
46 writel_relaxed(seed, hrng->base + RNG_SEED); in hisi_rng_init()
/Linux-v4.19/drivers/mtd/tests/
Dnandbiterrs.c62 static unsigned seed; variable
63 module_param(seed, uint, S_IRUGO);
64 MODULE_PARM_DESC(seed, "Random seed");
175 if (rbuffer[i] != hash(i+seed)) { in verify_page()
177 i, hash(i+seed), rbuffer[i]); in verify_page()
222 wbuffer[i] = hash(i+seed); in incremental_errors_test()
285 wbuffer[i] = hash(i+seed); in overwrite_test()
/Linux-v4.19/block/
Dt10-pi.c58 pi->ref_tag = cpu_to_be32(lower_32_bits(iter->seed)); in t10_pi_generate()
64 iter->seed++; in t10_pi_generate()
86 lower_32_bits(iter->seed)) { in t10_pi_verify()
90 iter->seed, be32_to_cpu(pi->ref_tag)); in t10_pi_verify()
106 (unsigned long long)iter->seed, in t10_pi_verify()
114 iter->seed++; in t10_pi_verify()
/Linux-v4.19/arch/ia64/lib/
Dcarta_random.S20 #define seed r32 macro
25 pmpyshr2.u t0 = a, seed, 0
26 pmpyshr2.u t1 = a, seed, 16
/Linux-v4.19/include/crypto/
Drng.h50 int (*seed)(struct crypto_rng *tfm, const u8 *seed, unsigned int slen); member
180 int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed,
/Linux-v4.19/fs/nilfs2/
Dsegbuf.c170 nilfs_segbuf_fill_in_segsum_crc(struct nilfs_segment_buffer *segbuf, u32 seed) in nilfs_segbuf_fill_in_segsum_crc() argument
182 crc = crc32_le(seed, in nilfs_segbuf_fill_in_segsum_crc()
198 u32 seed) in nilfs_segbuf_fill_in_data_crc() argument
208 crc = crc32_le(seed, in nilfs_segbuf_fill_in_data_crc()
226 u32 seed) in nilfs_segbuf_fill_in_super_root_crc() argument
235 crc = crc32_le(seed, in nilfs_segbuf_fill_in_super_root_crc()
313 void nilfs_add_checksums_on_logs(struct list_head *logs, u32 seed) in nilfs_add_checksums_on_logs() argument
319 nilfs_segbuf_fill_in_super_root_crc(segbuf, seed); in nilfs_add_checksums_on_logs()
320 nilfs_segbuf_fill_in_segsum_crc(segbuf, seed); in nilfs_add_checksums_on_logs()
321 nilfs_segbuf_fill_in_data_crc(segbuf, seed); in nilfs_add_checksums_on_logs()

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