Home
last modified time | relevance | path

Searched refs:entropy (Results 1 – 25 of 51) sorted by relevance

123

/linux/drivers/media/platform/verisilicon/
H A 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()
[all …]
/linux/drivers/char/
H A Drandom.c19 * data is then "credited" as having a certain number of bits of entropy.
20 * When enough bits of entropy are available, the hash is finalized and
23 * entropy collectors, described below, add data to the input pool.
71 * being able to wait until the RNG has collected enough entropy and
81 CRNG_EMPTY = 0, /* Little to no entropy collected */
119 /* Used by wait_for_random_bytes(), and considered an entropy collector, below. */ in crng_set_ready()
170 * These functions expand entropy from the entropy extractor into
482 * Batched entropy returns random integers. The quality of the random in get_random_bytes_user()
497 type entropy[CHACHA_BLOCK_SIZ
828 unsigned long flags, entropy = random_get_entropy(); random_pm_notification() local
859 unsigned long entropy[BLAKE2S_BLOCK_SIZE / sizeof(long)]; random_init_early() local
900 unsigned long entropy = random_get_entropy(); random_init() local
934 unsigned long entropy = random_get_entropy(); add_device_randomness() local
949 add_hwgenerator_randomness(const void * buf,size_t len,size_t entropy,bool sleep_after) add_hwgenerator_randomness() argument
1106 unsigned long entropy = random_get_entropy(); add_interrupt_randomness() local
1144 unsigned long entropy = random_get_entropy(), now = jiffies, flags; add_timer_randomness() local
1250 unsigned long entropy; global() member
1270 unsigned long entropy = random_get_entropy(); entropy_timer() local
[all...]
/linux/lib/zstd/decompress/
H A Dzstd_ddict.c38 ZSTD_entropyDTables_t entropy; member
73 dctx->LLTptr = ddict->entropy.LLTable; in ZSTD_copyDDictParameters()
74 dctx->MLTptr = ddict->entropy.MLTable; in ZSTD_copyDDictParameters()
75 dctx->OFTptr = ddict->entropy.OFTable; in ZSTD_copyDDictParameters()
76 dctx->HUFptr = ddict->entropy.hufTable; in ZSTD_copyDDictParameters()
77 dctx->entropy.rep[0] = ddict->entropy.rep[0]; in ZSTD_copyDDictParameters()
78 dctx->entropy.rep[1] = ddict->entropy.rep[1]; in ZSTD_copyDDictParameters()
79 dctx->entropy.rep[2] = ddict->entropy.rep[2]; in ZSTD_copyDDictParameters()
111 &ddict->entropy, ddict->dictContent, ddict->dictSize)), in ZSTD_loadEntropy_intoDDict()
135 …ddict->entropy.hufTable[0] = (HUF_DTable)((ZSTD_HUFFDTABLE_CAPACITY_LOG)*0x1000001); /* cover bot… in ZSTD_initDDict_internal()
H A Dzstd_decompress.c1378 ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy, in ZSTD_loadDEntropy() argument
1388 …entropyDTables_t, OFTable) == offsetof(ZSTD_entropyDTables_t, LLTable) + sizeof(entropy->LLTable)); in ZSTD_loadDEntropy()
1389 …entropyDTables_t, MLTable) == offsetof(ZSTD_entropyDTables_t, OFTable) + sizeof(entropy->OFTable)); in ZSTD_loadDEntropy()
1390 …ZSTD_STATIC_ASSERT(sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy->MLTable) … in ZSTD_loadDEntropy()
1391 …{ void* const workspace = &entropy->LLTable; /* use fse tables as temporary workspace; implies… in ZSTD_loadDEntropy()
1392 …size_t const workspaceSize = sizeof(entropy->LLTable) + sizeof(entropy->OFTable) + sizeof(entropy-… in ZSTD_loadDEntropy()
1395 size_t const hSize = HUF_readDTableX1_wksp(entropy->hufTable, in ZSTD_loadDEntropy()
1399 size_t const hSize = HUF_readDTableX2_wksp(entropy->hufTable, in ZSTD_loadDEntropy()
1413 ZSTD_buildFSETable( entropy->OFTable, in ZSTD_loadDEntropy()
1417 entropy->workspace, sizeof(entropy->workspace), in ZSTD_loadDEntropy()
[all …]
H A Dzstd_decompress_internal.h133 ZSTD_entropyDTables_t entropy; member
222 size_t ZSTD_loadDEntropy(ZSTD_entropyDTables_t* entropy,
H A Dzstd_decompress_block.c198 PREFETCH_AREA(dctx->HUFptr, sizeof(dctx->entropy.hufTable)); in ZSTD_decodeLiteralsBlock()
216 dctx->entropy.hufTable, dctx->litBuffer, litSize, in ZSTD_decodeLiteralsBlock()
221 dctx->entropy.hufTable, dctx->litBuffer, litSize, in ZSTD_decodeLiteralsBlock()
227 dctx->entropy.hufTable, dctx->litBuffer, litSize, in ZSTD_decodeLiteralsBlock()
247 if (litEncType==set_compressed) dctx->HUFptr = dctx->entropy.hufTable; in ZSTD_decodeLiteralsBlock()
738 { size_t const llhSize = ZSTD_buildSeqTable(dctx->entropy.LLTable, &dctx->LLTptr, in ZSTD_decodeSeqHeaders()
750 { size_t const ofhSize = ZSTD_buildSeqTable(dctx->entropy.OFTable, &dctx->OFTptr, in ZSTD_decodeSeqHeaders()
762 { size_t const mlhSize = ZSTD_buildSeqTable(dctx->entropy.MLTable, &dctx->MLTptr, in ZSTD_decodeSeqHeaders()
1425 { U32 i; for (i=0; i<ZSTD_REP_NUM; i++) seqState.prevOffset[i] = dctx->entropy.rep[i]; } in ZSTD_decompressSequences_bodySplitLitBuffer()
1584 … { U32 i; for (i=0; i<ZSTD_REP_NUM; i++) dctx->entropy.rep[i] = (U32)(seqState.prevOffset[i]); } in ZSTD_decompressSequences_bodySplitLitBuffer()
[all …]
/linux/drivers/media/test-drivers/visl/
H A 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/arch/x86/mm/
H A Dkaslr.c142 unsigned long entropy; in kernel_randomize_memory() local
148 entropy = remain_entropy / (ARRAY_SIZE(kaslr_regions) - i); in kernel_randomize_memory()
150 entropy = (rand % (entropy + 1)) & PUD_MASK; in kernel_randomize_memory()
151 vaddr += entropy; in kernel_randomize_memory()
167 remain_entropy -= entropy; in kernel_randomize_memory()
/linux/arch/s390/boot/
H A 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/drivers/infiniband/ulp/opa_vnic/
H A 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/crypto/
H A Dalgif_rng.c63 u8 *entropy; member
226 kfree_sensitive(pctx->entropy); in rng_release()
268 if (IS_ENABLED(CONFIG_CRYPTO_USER_API_RNG_CAVP) && pctx->entropy) in rng_accept_parent()
284 static int __maybe_unused rng_setentropy(void *private, sockptr_t entropy, in rng_setentropy() argument
293 if (pctx->entropy) in rng_setentropy()
300 kentropy = memdup_sockptr(entropy, len); in rng_setentropy()
310 pctx->entropy = kentropy; in rng_setentropy()
H A Ddrbg.c233 const unsigned char *entropy) in drbg_fips_continuous_test() argument
250 memcpy(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
255 if (!memcmp(drbg->prev, entropy, entropylen)) in drbg_fips_continuous_test()
257 memcpy(drbg->prev, entropy, entropylen); in drbg_fips_continuous_test()
847 unsigned char *entropy, in drbg_get_random_bytes() argument
852 get_random_bytes(entropy, entropylen); in drbg_get_random_bytes()
853 while (!drbg_fips_continuous_test(drbg, entropy)); in drbg_get_random_bytes()
862 unsigned char entropy[32]; in drbg_seed_from_random() local
866 BUG_ON(entropylen > sizeof(entropy)); in drbg_seed_from_random()
868 drbg_string_fill(&data, entropy, entropylen); in drbg_seed_from_random()
[all …]
/linux/scripts/gcc-plugins/
H A DKconfig23 bool "Generate some entropy during boot and runtime"
26 extract some entropy from both original and artificially created
28 there is little 'natural' source of entropy normally. The cost
32 Note that entropy extracted this way is not cryptographically
/linux/lib/zstd/compress/
H A Dzstd_compress_superblock.c264 static size_t ZSTD_compressSubBlock(const ZSTD_entropyCTables_t* entropy, in ZSTD_compressSubBlock() argument
281 { size_t cLitSize = ZSTD_compressSubBlock_literal((const HUF_CElt*)entropy->huf.CTable, in ZSTD_compressSubBlock()
289 { size_t cSeqSize = ZSTD_compressSubBlock_sequences(&entropy->fse, in ZSTD_compressSubBlock()
403 const ZSTD_entropyCTables_t* entropy, in ZSTD_estimateSubBlockSize() argument
410 … &entropy->huf, &entropyMetadata->hufMetadata, in ZSTD_estimateSubBlockSize()
413 … nbSeq, &entropy->fse, &entropyMetadata->fseMetadata, in ZSTD_estimateSubBlockSize()
519 &nextCBlock->entropy, entropyMetadata, in ZSTD_compressSubBlock_multi()
551 size_t const cSize = ZSTD_compressSubBlock(&nextCBlock->entropy, entropyMetadata, in ZSTD_compressSubBlock_multi()
595 size_t const cSize = ZSTD_compressSubBlock(&nextCBlock->entropy, entropyMetadata, in ZSTD_compressSubBlock_multi()
631 … ZSTD_memcpy(&nextCBlock->entropy.huf, &prevCBlock->entropy.huf, sizeof(prevCBlock->entropy.huf)); in ZSTD_compressSubBlock_multi()
[all …]
H A Dzstd_compress.c1849 bs->entropy.huf.repeatMode = HUF_repeat_none; in ZSTD_reset_compressedBlockState()
1850 bs->entropy.fse.offcode_repeatMode = FSE_repeat_none; in ZSTD_reset_compressedBlockState()
1851 bs->entropy.fse.matchlength_repeatMode = FSE_repeat_none; in ZSTD_reset_compressedBlockState()
1852 bs->entropy.fse.litlength_repeatMode = FSE_repeat_none; in ZSTD_reset_compressedBlockState()
3197 ms->opt.symbolCosts = &zc->blockState.prevCBlock->entropy; in ZSTD_buildSeqStore()
3843 const ZSTD_entropyCTables_t* entropy, in ZSTD_estimateBlockSize() argument
3849 &entropy->huf, &entropyMetadata->hufMetadata, in ZSTD_estimateBlockSize()
3852 nbSeq, &entropy->fse, &entropyMetadata->fseMetadata, in ZSTD_estimateBlockSize()
3867 &zc->blockState.prevCBlock->entropy, in ZSTD_buildEntropyStatisticsAndEstimateSubBlockSize()
3868 &zc->blockState.nextCBlock->entropy, in ZSTD_buildEntropyStatisticsAndEstimateSubBlockSize()
[all …]
/linux/drivers/infiniband/hw/hfi1/
H A 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,
H A Dtrace.c171 u16 *entropy, u16 *len, u16 *pkey, in hfi1_trace_parse_16b_hdr() argument
180 *entropy = hfi1_16B_get_entropy(hdr); in hfi1_trace_parse_16b_hdr()
194 u8 rc, u8 sc, u8 sl, u16 entropy, in hfi1_trace_fmt_lrh() argument
203 age, becn, fecn, l4, rc, sc, pkey, entropy); in hfi1_trace_fmt_lrh()
/linux/arch/riscv/include/asm/
H A 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/drivers/staging/media/sunxi/cedrus/
H A 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/arch/loongarch/kernel/
H A Drelocate.c118 unsigned long entropy = random_get_entropy(); in get_random_boot() local
124 hash = rotate_xor(hash, &entropy, sizeof(entropy)); in get_random_boot()
/linux/Documentation/arch/powerpc/
H A 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/tools/testing/selftests/lkdtm/
H A D.gitignore3 !stack-entropy.sh
H A DMakefile8 TEST_PROGS := stack-entropy.sh
H A Dstack-entropy.sh23 log=$(mktemp -t stack-entropy-XXXXXX)
/linux/drivers/media/platform/st/sti/hva/
H A 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()

123