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Searched refs:seed (Results 1 – 25 of 122) sorted by relevance

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/linux/drivers/firmware/efi/libstub/
H A Drandom.c70 struct linux_efi_random_seed *prev_seed, *seed = NULL; in efi_random_get_seed() local
106 struct_size(seed, bits, seed_size), in efi_random_get_seed()
107 (void **)&seed); in efi_random_get_seed()
115 EFI_RANDOM_SEED_SIZE, seed->bits); in efi_random_get_seed()
123 EFI_RANDOM_SEED_SIZE, seed->bits); in efi_random_get_seed()
131 &nv_seed_size, seed->bits + offset); in efi_random_get_seed()
148 memzero_explicit(seed->bits + offset, nv_seed_size); in efi_random_get_seed()
155 memcpy(seed->bits + offset, prev_seed->bits, prev_seed_size); in efi_random_get_seed()
159 seed->size = offset; in efi_random_get_seed()
160 status = efi_bs_call(install_configuration_table, &rng_table_guid, seed); in efi_random_get_seed()
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/linux/lib/
H A Dxxhash.c79 static uint32_t xxh32_round(uint32_t seed, const uint32_t input) in xxh32_round() argument
81 seed += input * PRIME32_2; in xxh32_round()
82 seed = xxh_rotl32(seed, 13); in xxh32_round()
83 seed *= PRIME32_1; in xxh32_round()
84 return seed; in xxh32_round()
87 uint32_t xxh32(const void *input, const size_t len, const uint32_t seed) in xxh32() argument
95 uint32_t v1 = seed + PRIME32_1 + PRIME32_2; in xxh32()
96 uint32_t v2 = seed + PRIME32_2; in xxh32()
97 uint32_t v3 = seed + 0; in xxh32()
98 uint32_t v4 = seed - PRIME32_1; in xxh32()
[all …]
/linux/drivers/crypto/allwinner/sun8i-ss/
H A Dsun8i-ss-prng.c19 int sun8i_ss_prng_seed(struct crypto_rng *tfm, const u8 *seed, in sun8i_ss_prng_seed() argument
24 if (ctx->seed && ctx->slen != slen) { in sun8i_ss_prng_seed()
25 kfree_sensitive(ctx->seed); in sun8i_ss_prng_seed()
27 ctx->seed = NULL; in sun8i_ss_prng_seed()
29 if (!ctx->seed) in sun8i_ss_prng_seed()
30 ctx->seed = kmalloc(slen, GFP_KERNEL); in sun8i_ss_prng_seed()
31 if (!ctx->seed) in sun8i_ss_prng_seed()
34 memcpy(ctx->seed, seed, slen); in sun8i_ss_prng_seed()
52 kfree_sensitive(ctx->seed); in sun8i_ss_prng_exit()
53 ctx->seed = NULL; in sun8i_ss_prng_exit()
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/linux/kernel/trace/
H A Dtrace_benchmark.c43 u64 seed; in trace_do_benchmark() local
123 seed = avg; in trace_do_benchmark()
125 last_seed = seed; in trace_do_benchmark()
126 seed = stddev; in trace_do_benchmark()
129 seed = div64_u64(seed, last_seed); in trace_do_benchmark()
130 seed += last_seed; in trace_do_benchmark()
131 do_div(seed, 2); in trace_do_benchmark()
132 } while (i++ < 10 && last_seed != seed); in trace_do_benchmark()
134 std = seed; in trace_do_benchmark()
/linux/scripts/basic/
H A DMakefile7 # randstruct: the seed is needed before building the gcc-plugin or
9 gen-randstruct-seed := $(srctree)/scripts/gen-randstruct-seed.sh
12 $(CONFIG_SHELL) $(gen-randstruct-seed) \
14 $(obj)/randstruct.seed: $(gen-randstruct-seed) FORCE
16 always-$(CONFIG_RANDSTRUCT) += randstruct.seed
/linux/include/linux/
H A 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);
124 uint64_t seed) in xxhash() argument
127 return xxh64(input, length, seed); in xxhash()
129 return xxh32(input, length, seed); in xxhash()
162 void xxh64_reset(struct xxh64_state *state, uint64_t seed);
H A Dprandom.h40 static inline void prandom_seed_state(struct rnd_state *state, u64 seed) in prandom_seed_state() argument
42 u32 i = ((seed >> 32) ^ (seed << 10) ^ seed) & 0xffffffffUL; in prandom_seed_state()
H A Drhashtable-types.h40 typedef u32 (*rht_hashfn_t)(const void *data, u32 len, u32 seed);
41 typedef u32 (*rht_obj_hashfn_t)(const void *data, u32 len, u32 seed);
/linux/drivers/firmware/efi/
H A Defi.c747 struct linux_efi_random_seed *seed; in efi_config_parse_tables() local
750 seed = early_memremap(efi_rng_seed, sizeof(*seed)); in efi_config_parse_tables()
751 if (seed != NULL) { in efi_config_parse_tables()
752 size = min_t(u32, seed->size, SZ_1K); // sanity check in efi_config_parse_tables()
753 early_memunmap(seed, sizeof(*seed)); in efi_config_parse_tables()
758 seed = early_memremap(efi_rng_seed, in efi_config_parse_tables()
759 sizeof(*seed) + size); in efi_config_parse_tables()
760 if (seed != NULL) { in efi_config_parse_tables()
761 add_bootloader_randomness(seed->bits, size); in efi_config_parse_tables()
762 memzero_explicit(seed->bits, size); in efi_config_parse_tables()
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/linux/arch/x86/tools/
H A Dinsn_sanity.c33 static unsigned int seed; /* Random seed */ variable
101 fprintf(fp, " $ %s -s 0x%x,%lu\n", prog, seed, nr_iter); in dump_stream()
113 if (read(fd, &seed, sizeof(seed)) != sizeof(seed)) in init_random_seed()
185 seed = (unsigned int)strtoul(optarg, &tmp, 0); in parse_args()
215 srand(seed); in parse_args()
262 seed); in main()
/linux/drivers/crypto/allwinner/sun4i-ss/
H A Dsun4i-ss-prng.c4 int sun4i_ss_prng_seed(struct crypto_rng *tfm, const u8 *seed, in sun4i_ss_prng_seed() argument
11 memcpy(algt->ss->seed, seed, slen); in sun4i_ss_prng_seed()
48 writel(ss->seed[i], ss->base + SS_KEY0 + i * 4); in sun4i_ss_prng_generate()
59 ss->seed[i] = v; in sun4i_ss_prng_generate()
/linux/arch/powerpc/mm/nohash/
H A Dkaslr_booke.c288 u64 seed; in kaslr_choose_location() local
297 seed = get_tb() << 32; in kaslr_choose_location()
298 seed ^= get_tb(); in kaslr_choose_location()
299 random = rotate_xor(random, &seed, sizeof(seed)); in kaslr_choose_location()
304 seed = get_kaslr_seed(dt_ptr); in kaslr_choose_location()
305 if (seed) in kaslr_choose_location()
306 random = rotate_xor(random, &seed, sizeof(seed)); in kaslr_choose_location()
/linux/arch/s390/boot/
H A Dkaslr.c57 unsigned long seed, random; in get_random() local
63 seed = get_tod_clock_fast(); in get_random()
70 (u8 *) &seed, sizeof(seed)); in get_random()
76 *(unsigned long *) prng.parm_block ^= seed; in get_random()
83 random = seed; in get_random()
/linux/arch/riscv/kernel/pi/
H A Darchrandom_early.c21 unsigned long seed = 0; in get_kaslr_seed_zkr() local
26 if (!csr_seed_long(&seed)) in get_kaslr_seed_zkr()
29 return seed; in get_kaslr_seed_zkr()
/linux/drivers/char/hw_random/
H A Dhisi-rng.c38 u32 seed; in hisi_rng_init() local
41 get_random_bytes(&seed, sizeof(seed)); in hisi_rng_init()
43 writel_relaxed(seed, hrng->base + RNG_SEED); in hisi_rng_init()
/linux/drivers/mtd/tests/
H A Dnandbiterrs.c49 static unsigned seed; variable
50 module_param(seed, uint, S_IRUGO);
51 MODULE_PARM_DESC(seed, "Random seed");
162 if (rbuffer[i] != hash(i+seed)) { in verify_page()
164 i, hash(i+seed), rbuffer[i]); in verify_page()
209 wbuffer[i] = hash(i+seed); in incremental_errors_test()
272 wbuffer[i] = hash(i+seed); in overwrite_test()
/linux/tools/testing/selftests/powerpc/ptrace/
H A Dptrace-gpr.c119 unsigned long seed; in ptrace_gpr() local
123 seed = getpid() ^ time(NULL); in ptrace_gpr()
124 printf("srand(%lu)\n", seed); in ptrace_gpr()
125 srand(seed); in ptrace_gpr()
/linux/include/net/
H A Dipv6_frag.h41 static inline u32 ip6frag_key_hashfn(const void *data, u32 len, u32 seed) in ip6frag_key_hashfn() argument
44 sizeof(struct frag_v6_compare_key) / sizeof(u32), seed); in ip6frag_key_hashfn()
47 static inline u32 ip6frag_obj_hashfn(const void *data, u32 len, u32 seed) in ip6frag_obj_hashfn() argument
52 sizeof(struct frag_v6_compare_key) / sizeof(u32), seed); in ip6frag_obj_hashfn()
/linux/tools/testing/selftests/kvm/lib/
H A Dtest_util.c33 struct guest_random_state new_guest_random_state(u32 seed) in new_guest_random_state() argument
35 struct guest_random_state s = {.seed = seed}; in new_guest_random_state()
41 state->seed = (u64)state->seed * 48271 % ((u32)(1 << 31) - 1); in guest_random_u32()
42 return state->seed; in guest_random_u32()
/linux/tools/perf/bench/
H A Dmem-functions.c45 static unsigned int seed;
88 unsigned int seed;
297 p.seed = seed; in bench_mem_common()
513 unsigned int seed; in do_mmap()
527 if (data->seed) in do_mmap()
528 srand(data->seed);
536 fn(dst, p->size, p->page_shift, p->seed);
566 if (p->seed)
567 data[i].seed
43 static unsigned int seed; global() variable
85 unsigned int seed; global() member
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/linux/net/netfilter/
H A Dnft_set_hash.c45 static inline u32 nft_rhash_key(const void *data, u32 len, u32 seed) in nft_rhash_key() argument
49 return jhash(arg->key, len, seed); in nft_rhash_key()
52 static inline u32 nft_rhash_obj(const void *data, u32 len, u32 seed) in nft_rhash_obj() argument
56 return jhash(nft_set_ext_key(&he->ext), len, seed); in nft_rhash_obj()
588 u32 seed; member
609 hash = jhash(key, set->klen, priv->seed); in nft_hash_lookup()
630 hash = jhash_1word(*key, priv->seed); in nft_hash_get()
632 hash = jhash(key, set->klen, priv->seed); in nft_hash_get()
654 hash = jhash_1word(k1, priv->seed); in nft_hash_lookup_fast()
673 hash = jhash_1word(k1, priv->seed); in nft_jhash()
[all …]
/linux/scripts/
H A DMakefile.randstruct12 += -frandomize-layout-seed-file=$(objtree)/scripts/basic/randstruct.seed
/linux/drivers/nvdimm/
H A Dclaim.c61 struct device *seed = NULL; in is_idle() local
64 seed = nd_region->btt_seed; in is_idle()
66 seed = nd_region->pfn_seed; in is_idle()
68 seed = nd_region->dax_seed; in is_idle()
70 if (seed == dev || ndns || dev->driver) in is_idle()
/linux/scripts/gcc-plugins/
H A Drandomize_layout_plugin.c135 static void raninit(ranctx *x, u64 *seed) { in raninit() argument
138 x->a = seed[0]; in raninit()
139 x->b = seed[1]; in raninit()
140 x->c = seed[2]; in raninit()
141 x->d = seed[3]; in raninit()
245 u64 seed[4]; in shuffle() local
264 seed[i] = shuffle_seed[i]; in shuffle()
265 seed[i] ^= name_hash(structname); in shuffle()
268 raninit(&prng_state, (u64 *)&seed); in shuffle()
/linux/tools/testing/radix-tree/
H A Dmain.c288 unsigned int seed = time(NULL); in main() local
294 seed = strtoul(optarg, NULL, 0); in main()
299 printf("random seed %u\n", seed); in main()
300 srand(seed); in main()

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