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Searched refs:entropy (Results 1 – 25 of 67) sorted by relevance

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/linux-6.12.1/drivers/media/platform/verisilicon/
Dhantro_vp8.c52 const struct v4l2_vp8_entropy *entropy = &hdr->entropy; in hantro_vp8_prob_update() local
69 dst[0] = entropy->y_mode_probs[0]; in hantro_vp8_prob_update()
70 dst[1] = entropy->y_mode_probs[1]; in hantro_vp8_prob_update()
71 dst[2] = entropy->y_mode_probs[2]; in hantro_vp8_prob_update()
72 dst[3] = entropy->y_mode_probs[3]; in hantro_vp8_prob_update()
73 dst[4] = entropy->uv_mode_probs[0]; in hantro_vp8_prob_update()
74 dst[5] = entropy->uv_mode_probs[1]; in hantro_vp8_prob_update()
75 dst[6] = entropy->uv_mode_probs[2]; in hantro_vp8_prob_update()
80 dst[0] = entropy->mv_probs[0][0]; /* is short */ in hantro_vp8_prob_update()
81 dst[1] = entropy->mv_probs[1][0]; in hantro_vp8_prob_update()
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/linux-6.12.1/drivers/char/
Drandom.c507 type entropy[CHACHA_BLOCK_SIZE * 3 / (2 * sizeof(type))]; \
536 if (batch->position >= ARRAY_SIZE(batch->entropy) || \
538 _get_random_bytes(batch->entropy, sizeof(batch->entropy)); \
543 ret = batch->entropy[batch->position]; \
544 batch->entropy[batch->position] = 0; \
836 unsigned long flags, entropy = random_get_entropy(); in random_pm_notification() local
847 _mix_pool_bytes(&entropy, sizeof(entropy)); in random_pm_notification()
867 unsigned long entropy[BLAKE2S_BLOCK_SIZE / sizeof(long)]; in random_init_early() local
875 for (i = 0, arch_bits = sizeof(entropy) * 8; i < ARRAY_SIZE(entropy);) { in random_init_early()
876 longs = arch_get_random_seed_longs(entropy, ARRAY_SIZE(entropy) - i); in random_init_early()
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/linux-6.12.1/lib/zstd/decompress/
Dzstd_ddict.c37 ZSTD_entropyDTables_t entropy; member
72 dctx->LLTptr = ddict->entropy.LLTable; in ZSTD_copyDDictParameters()
73 dctx->MLTptr = ddict->entropy.MLTable; in ZSTD_copyDDictParameters()
74 dctx->OFTptr = ddict->entropy.OFTable; in ZSTD_copyDDictParameters()
75 dctx->HUFptr = ddict->entropy.hufTable; in ZSTD_copyDDictParameters()
76 dctx->entropy.rep[0] = ddict->entropy.rep[0]; in ZSTD_copyDDictParameters()
77 dctx->entropy.rep[1] = ddict->entropy.rep[1]; in ZSTD_copyDDictParameters()
78 dctx->entropy.rep[2] = ddict->entropy.rep[2]; in ZSTD_copyDDictParameters()
110 &ddict->entropy, ddict->dictContent, ddict->dictSize)), in ZSTD_loadEntropy_intoDDict()
134 …ddict->entropy.hufTable[0] = (HUF_DTable)((HufLog)*0x1000001); /* cover both little and big endia… in ZSTD_initDDict_internal()
Dzstd_decompress.c1287 ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy, in ZSTD_loadDEntropy() argument
1297 …entropyDTables_t, OFTable) == offsetof(ZSTD_entropyDTables_t, LLTable) + sizeof(entropy->LLTable)); in ZSTD_loadDEntropy()
1298 …entropyDTables_t, MLTable) == offsetof(ZSTD_entropyDTables_t, OFTable) + sizeof(entropy->OFTable)); in ZSTD_loadDEntropy()
1299 …ZSTD_STATIC_ASSERT(sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable) … in ZSTD_loadDEntropy()
1300 …{ void* const workspace = &entropy->LLTable; /* use fse tables as temporary workspace; implies… in ZSTD_loadDEntropy()
1301 …size_t const workspaceSize = sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy-… in ZSTD_loadDEntropy()
1304 size_t const hSize = HUF_readDTableX1_wksp(entropy->hufTable, in ZSTD_loadDEntropy()
1308 size_t const hSize = HUF_readDTableX2_wksp(entropy->hufTable, in ZSTD_loadDEntropy()
1322 ZSTD_buildFSETable( entropy->OFTable, in ZSTD_loadDEntropy()
1326 entropy->workspace, sizeof(entropy->workspace), in ZSTD_loadDEntropy()
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Dzstd_decompress_internal.h131 ZSTD_entropyDTables_t entropy; member
217 size_t ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy,
/linux-6.12.1/drivers/media/test-drivers/visl/
Dvisl-trace-vp8.h21 __entry->f.entropy.coeff_probs,
22 sizeof(__entry->f.entropy.coeff_probs),
24 __print_array(__entry->f.entropy.y_mode_probs,
25 ARRAY_SIZE(__entry->f.entropy.y_mode_probs),
26 sizeof(__entry->f.entropy.y_mode_probs[0])),
27 __print_array(__entry->f.entropy.uv_mode_probs,
28 ARRAY_SIZE(__entry->f.entropy.uv_mode_probs),
29 sizeof(__entry->f.entropy.uv_mode_probs[0])),
31 __entry->f.entropy.mv_probs,
32 sizeof(__entry->f.entropy.mv_probs),
/linux-6.12.1/arch/x86/mm/
Dkaslr.c132 unsigned long entropy; in kernel_randomize_memory() local
138 entropy = remain_entropy / (ARRAY_SIZE(kaslr_regions) - i); in kernel_randomize_memory()
140 entropy = (rand % (entropy + 1)) & PUD_MASK; in kernel_randomize_memory()
141 vaddr += entropy; in kernel_randomize_memory()
157 remain_entropy -= entropy; in kernel_randomize_memory()
/linux-6.12.1/arch/s390/boot/
Dkaslr.c59 __u64 entropy[4]; in get_random() local
79 (u8 *) entropy, (u8 *) entropy, in get_random()
80 sizeof(entropy)); in get_random()
81 memcpy(prng.parm_block, entropy, sizeof(entropy)); in get_random()
/linux-6.12.1/drivers/infiniband/ulp/opa_vnic/
Dopa_vnic_encap.c74 u16 pkey, u16 entropy, u8 sc, u8 rc, in opa_vnic_make_header() argument
81 h[3] = entropy; in opa_vnic_make_header()
461 u8 entropy) in opa_vnic_get_def_port() argument
466 flow_id = ((entropy & 0xf) + (entropy >> 4)); in opa_vnic_get_def_port()
487 u8 def_port, sc, rc, entropy, *hdr; in opa_vnic_encap_skb() local
493 entropy = opa_vnic_calc_entropy(skb); in opa_vnic_encap_skb()
494 def_port = opa_vnic_get_def_port(adapter, entropy); in opa_vnic_encap_skb()
503 mdata->entropy = entropy; in opa_vnic_encap_skb()
511 info->vesw.pkey, entropy, sc, rc, in opa_vnic_encap_skb()
/linux-6.12.1/crypto/
Dalgif_rng.c63 u8 *entropy; member
226 kfree_sensitive(pctx->entropy); in rng_release()
269 if (IS_ENABLED(CONFIG_CRYPTO_USER_API_RNG_CAVP) && pctx->entropy) in rng_accept_parent()
285 static int __maybe_unused rng_setentropy(void *private, sockptr_t entropy, in rng_setentropy() argument
294 if (pctx->entropy) in rng_setentropy()
301 kentropy = memdup_sockptr(entropy, len); in rng_setentropy()
311 pctx->entropy = kentropy; in rng_setentropy()
Ddrbg.c232 const unsigned char *entropy) in drbg_fips_continuous_test() argument
249 memcpy(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
254 ret = memcmp(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
257 memcpy(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
1061 unsigned char *entropy, in drbg_get_random_bytes() argument
1067 get_random_bytes(entropy, entropylen); in drbg_get_random_bytes()
1068 ret = drbg_fips_continuous_test(drbg, entropy); in drbg_get_random_bytes()
1081 unsigned char entropy[32]; in drbg_seed_from_random() local
1085 BUG_ON(entropylen > sizeof(entropy)); in drbg_seed_from_random()
1087 drbg_string_fill(&data, entropy, entropylen); in drbg_seed_from_random()
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Dtestmgr.h137 const unsigned char *entropy; member
23826 .entropy = (unsigned char *)
23860 .entropy = (unsigned char *)
23900 .entropy = (unsigned char *)
23937 .entropy = (unsigned char *)
23984 .entropy = (unsigned char *)
24018 .entropy = (unsigned char *)
24058 .entropy = (unsigned char *)
24095 .entropy = (unsigned char *)
24142 .entropy = (unsigned char *)
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/linux-6.12.1/lib/zstd/compress/
Dzstd_compress_superblock.c259 static size_t ZSTD_compressSubBlock(const ZSTD_entropyCTables_t* entropy, in ZSTD_compressSubBlock() argument
276 { size_t cLitSize = ZSTD_compressSubBlock_literal((const HUF_CElt*)entropy->huf.CTable, in ZSTD_compressSubBlock()
283 { size_t cSeqSize = ZSTD_compressSubBlock_sequences(&entropy->fse, in ZSTD_compressSubBlock()
393 const ZSTD_entropyCTables_t* entropy, in ZSTD_estimateSubBlockSize() argument
399 … &entropy->huf, &entropyMetadata->hufMetadata, in ZSTD_estimateSubBlockSize()
402 … nbSeq, &entropy->fse, &entropyMetadata->fseMetadata, in ZSTD_estimateSubBlockSize()
481 &nextCBlock->entropy, entropyMetadata, in ZSTD_compressSubBlock_multi()
487 const size_t cSize = ZSTD_compressSubBlock(&nextCBlock->entropy, entropyMetadata, in ZSTD_compressSubBlock_multi()
521 … ZSTD_memcpy(&nextCBlock->entropy.huf, &prevCBlock->entropy.huf, sizeof(prevCBlock->entropy.huf)); in ZSTD_compressSubBlock_multi()
558 &zc->blockState.prevCBlock->entropy, in ZSTD_compressSuperBlock()
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/linux-6.12.1/scripts/gcc-plugins/
DKconfig33 bool "Generate some entropy during boot and runtime"
36 extract some entropy from both original and artificially created
38 there is little 'natural' source of entropy normally. The cost
42 Note that entropy extracted this way is not cryptographically
/linux-6.12.1/arch/riscv/include/asm/
Darchrandom.h21 u16 *entropy = (u16 *)v; in csr_seed_long() local
32 entropy[valid_seeds++] = csr_seed & SEED_ENTROPY_MASK; in csr_seed_long()
/linux-6.12.1/drivers/infiniband/hw/hfi1/
Dtrace_ibhdrs.h88 u16 *entropy, u16 *len, u16 *pkey,
94 u8 rc, u8 sc, u8 sl, u16 entropy,
138 __field(u16, entropy)
166 &__entry->entropy,
236 __entry->entropy,
297 __field(u16, entropy)
326 &__entry->entropy,
400 __entry->entropy,
/linux-6.12.1/drivers/staging/media/sunxi/cedrus/
Dcedrus_vp8.c599 memcpy(&prob_table[0x1008], slice->entropy.y_mode_probs, in cedrus_vp8_update_probs()
600 sizeof(slice->entropy.y_mode_probs)); in cedrus_vp8_update_probs()
601 memcpy(&prob_table[0x1010], slice->entropy.uv_mode_probs, in cedrus_vp8_update_probs()
602 sizeof(slice->entropy.uv_mode_probs)); in cedrus_vp8_update_probs()
612 memcpy(&prob_table[0x1020], slice->entropy.mv_probs[0], in cedrus_vp8_update_probs()
614 memcpy(&prob_table[0x1040], slice->entropy.mv_probs[1], in cedrus_vp8_update_probs()
621 slice->entropy.coeff_probs[i][j][k], 11); in cedrus_vp8_update_probs()
/linux-6.12.1/arch/s390/crypto/
Dprng.c189 __u64 entropy[4]; in prng_tdes_add_entropy() local
194 (char *) entropy, (char *) entropy, in prng_tdes_add_entropy()
195 sizeof(entropy)); in prng_tdes_add_entropy()
196 memcpy(prng_data->prngws.parm_block, entropy, sizeof(entropy)); in prng_tdes_add_entropy()
/linux-6.12.1/arch/loongarch/kernel/
Drelocate.c111 unsigned long entropy = random_get_entropy(); in get_random_boot() local
117 hash = rotate_xor(hash, &entropy, sizeof(entropy)); in get_random_boot()
/linux-6.12.1/drivers/char/hw_random/
Dcore.c474 size_t entropy, entropy_credit = 0; /* in 1/1024 of a bit */ in hwrng_fillfn() local
503 entropy = rc * quality * 8 + entropy_credit; in hwrng_fillfn()
504 if ((entropy >> 10) == 0) in hwrng_fillfn()
505 entropy_credit = entropy; in hwrng_fillfn()
509 entropy >> 10, true); in hwrng_fillfn()
/linux-6.12.1/Documentation/arch/powerpc/
Dkaslr-booke32.rst22 pass entropy via the /chosen/kaslr-seed node in device tree.
26 bit of the entropy to decide the index of the 64M zone. Then we chose a
/linux-6.12.1/arch/mips/kernel/
Drelocate.c217 unsigned long entropy = random_get_entropy(); in get_random_boot() local
224 hash = rotate_xor(hash, &entropy, sizeof(entropy)); in get_random_boot()
/linux-6.12.1/tools/testing/selftests/lkdtm/
D.gitignore3 !stack-entropy.sh
DMakefile8 TEST_PROGS := stack-entropy.sh
/linux-6.12.1/drivers/media/platform/st/sti/hva/
Dhva-debugfs.c19 u32 bitrate_mode, aspect, entropy, vui_sar, sei_fp; in format_ctx() local
59 entropy = V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE; in format_ctx()
72 v4l2_ctrl_get_menu(entropy)[ctrls->entropy_mode], in format_ctx()

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