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/linux/drivers/gpu/drm/i915/gt/
H A Dselftest_migrate.c42 u32 sz, struct rnd_state *prng) in copy() argument
116 int x = i * 1024 + i915_prandom_u32_max_state(1024, prng); in copy()
261 u32 sz, struct rnd_state *prng) in clear() argument
335 i915_prandom_u32_max_state(1024, prng); in clear()
377 ccs_bytes_left), prng); in clear()
439 migrate_copy(struct intel_migrate *migrate, u32 sz, struct rnd_state *prng) in migrate_copy() argument
441 return copy(migrate, __migrate_copy, sz, prng); in migrate_copy()
445 global_copy(struct intel_migrate *migrate, u32 sz, struct rnd_state *prng) in global_copy() argument
447 return copy(migrate, __global_copy, sz, prng); in global_copy()
477 migrate_clear(struct intel_migrate *migrate, u32 sz, struct rnd_state *prng) in migrate_clear() argument
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H A Dselftest_timeline.c70 struct rnd_state prng; member
130 &state->prng); in __mock_hwsp_timeline()
133 &state->prng); in __mock_hwsp_timeline()
162 state.prng = I915_RND_STATE_INITIALIZER(i915_selftest.random_seed); in mock_hwsp_freelist()
289 struct rnd_state prng; in bench_sync() local
301 * of the prng and subtract it from the reported results. in bench_sync()
303 prandom_seed_state(&prng, i915_selftest.random_seed); in bench_sync()
310 /* Make sure the compiler doesn't optimise away the prng call */ in bench_sync()
311 WRITE_ONCE(x, prandom_u32_state(&prng)); in bench_sync()
316 pr_debug("%s: %lu random evaluations, %lluns/prng\n", in bench_sync()
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H A Dselftest_rc6.c160 struct rnd_state *prng, in randomised_engines() argument
181 i915_prandom_shuffle(engines, sizeof(*engines), n, prng); in randomised_engines()
192 I915_RND_STATE(prng); in live_rc6_ctx_wa()
199 engines = randomised_engines(gt, &prng, &count); in live_rc6_ctx_wa()
H A Dselftest_tlb.c38 struct rnd_state *prng) in pte_tlbinv() argument
67 addr = igt_random_offset(prng, addr, min(ce->vm->total, BIT_ULL(48)), in pte_tlbinv()
91 addr = igt_random_offset(prng, addr, addr + align, 8, 8); in pte_tlbinv()
238 I915_RND_STATE(prng); in mem_tlbinv()
327 &prng); in mem_tlbinv()
336 &prng); in mem_tlbinv()
/linux/drivers/gpu/drm/i915/selftests/
H A Dintel_memory_region.c165 I915_RND_STATE(prng); in igt_mock_reserve()
170 order = i915_random_order(count, &prng); in igt_mock_reserve()
184 u64 size = i915_prandom_u32_max_state(chunk_size, &prng); in igt_mock_reserve()
191 offset = igt_random_offset(&prng, 0, chunk_size, size, in igt_mock_reserve()
208 u32 size = i915_prandom_u32_max_state(cur_avail, &prng); in igt_mock_reserve()
243 I915_RND_STATE(prng); in igt_mock_contiguous()
279 target = i915_prandom_u64_state(&prng); in igt_mock_contiguous()
462 I915_RND_STATE(prng); in igt_mock_max_segment()
478 if (i915_prandom_u64_state(&prng) & 1) in igt_mock_max_segment()
565 I915_RND_STATE(prng); in igt_mock_io_size()
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H A Di915_syncmap.c204 I915_RND_STATE(prng); in igt_syncmap_one()
217 u64 context = i915_prandom_u64_state(&prng); in igt_syncmap_one()
226 prandom_u32_state(&prng)); in igt_syncmap_one()
402 I915_RND_STATE(prng); in igt_syncmap_neighbours()
414 u64 context = i915_prandom_u64_state(&prng) & ~MASK; in igt_syncmap_neighbours()
544 I915_RND_STATE(prng); in igt_syncmap_random()
562 u64 context = i915_prandom_u64_state(&prng); in igt_syncmap_random()
578 seqno = prandom_u32_state(&prng); in igt_syncmap_random()
/linux/crypto/
H A Dansi_cprng.c3 * PRNG: Pseudo Random Number Generator
4 * Based on NIST Recommended PRNG From ANSI X9.31 Appendix A.2.4 using
308 dbgprint(KERN_CRIT "PRNG: setkey() failed flags=%x\n", in reset_prng_context()
353 struct prng_context *prng = crypto_rng_ctx(tfm); in cprng_get_random() local
355 return get_prng_bytes(rdata, dlen, prng, 0); in cprng_get_random()
367 struct prng_context *prng = crypto_rng_ctx(tfm); in cprng_reset() local
377 reset_prng_context(prng, key, DEFAULT_PRNG_KSZ, seed, dt); in cprng_reset()
379 if (prng->flags & PRNG_NEED_RESET) in cprng_reset()
389 struct prng_context *prng = crypto_rng_ctx(tfm); in fips_cprng_get_random() local
391 return get_prng_bytes(rdata, dlen, prng, 1); in fips_cprng_get_random()
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/linux/drivers/gpu/drm/i915/gem/selftests/
H A Di915_gem_client_blt.c296 struct rnd_state *prng) in tiled_blits_create_buffers() argument
325 i915_prandom_u32_max_state(CLIENT_NUM_TILING_TYPES, prng); in tiled_blits_create_buffers()
416 struct rnd_state *prng) in verify_buffer() argument
422 x = i915_prandom_u32_max_state(t->width, prng); in verify_buffer()
423 y = i915_prandom_u32_max_state(t->height, prng); in verify_buffer()
532 tiled_blits_create(struct intel_engine_cs *engine, struct rnd_state *prng) in tiled_blits_create() argument
575 err = tiled_blits_create_buffers(t, WIDTH, HEIGHT, prng); in tiled_blits_create()
597 struct rnd_state *prng) in tiled_blits_prepare() argument
610 fill_scratch(t, map, prandom_u32_state(prng)); in tiled_blits_prepare()
611 GEM_BUG_ON(verify_buffer(t, &t->scratch, prng)); in tiled_blits_prepare()
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H A Di915_gem_coherency.c289 random_engine(struct drm_i915_private *i915, struct rnd_state *prng) in random_engine() argument
298 count = i915_prandom_u32_max_state(count, prng); in random_engine()
313 I915_RND_STATE(prng); in igt_gem_coherency()
332 ctx.engine = random_engine(i915, &prng); in igt_gem_coherency()
368 i915_random_reorder(offsets, ncachelines, &prng); in igt_gem_coherency()
370 values[n] = prandom_u32_state(&prng); in igt_gem_coherency()
/linux/Documentation/devicetree/bindings/crypto/
H A Dqcom,prng.yaml4 $id: http://devicetree.org/schemas/crypto/qcom,prng.yaml#
16 - qcom,prng # 8916 etc.
17 - qcom,prng-ee # 8996 and later using EE
59 compatible = "qcom,prng";
/linux/arch/s390/boot/
H A Dkaslr.c35 boot_printk("KASLR disabled: CPU has no PRNG\n"); in check_prng()
48 struct prng_parm prng = { in get_random() local
76 *(unsigned long *) prng.parm_block ^= seed; in get_random()
78 cpacf_kmc(CPACF_KMC_PRNG, prng.parm_block, in get_random()
81 memcpy(prng.parm_block, entropy, sizeof(entropy)); in get_random()
84 cpacf_kmc(CPACF_KMC_PRNG, prng.parm_block, (u8 *) &random, in get_random()
/linux/drivers/gpu/drm/tests/
H A Ddrm_buddy_test.c27 DRM_RND_STATE(prng, random_seed); in drm_test_buddy_alloc_range_bias()
35 ps = roundup_pow_of_two(prandom_u32_state(&prng) % bias_size); in drm_test_buddy_alloc_range_bias()
45 order = drm_random_order(count, &prng); in drm_test_buddy_alloc_range_bias()
121 size = max(round_up(prandom_u32_state(&prng) % bias_rem, ps), ps); in drm_test_buddy_alloc_range_bias()
143 size = max(round_up(prandom_u32_state(&prng) % bias_rem, ps), ps); in drm_test_buddy_alloc_range_bias()
180 bias_start = round_up(prandom_u32_state(&prng) % (mm_size - ps), ps); in drm_test_buddy_alloc_range_bias()
181 bias_end = round_up(bias_start + prandom_u32_state(&prng) % (mm_size - bias_start), ps); in drm_test_buddy_alloc_range_bias()
186 u32 size = max(round_up(prandom_u32_state(&prng) % bias_rem, ps), ps); in drm_test_buddy_alloc_range_bias()
206 bias_start -= round_up(prandom_u32_state(&prng) % bias_start, ps); in drm_test_buddy_alloc_range_bias()
208 bias_end += round_up(prandom_u32_state(&prng) % (mm_size - bias_end), ps); in drm_test_buddy_alloc_range_bias()
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/linux/drivers/crypto/allwinner/sun8i-ce/
H A Dsun8i-ce-prng.c3 * sun8i-ce-prng.c - hardware cryptographic offloader for
8 * This file handle the PRNG
89 dev_dbg(ce->dev, "%s PRNG slen=%u dlen=%u todo=%u multi=%u\n", __func__, in sun8i_ce_prng_generate()
122 common = ce->variant->prng | CE_COMM_INT; in sun8i_ce_prng_generate()
142 err = sun8i_ce_run_task(ce, 3, "PRNG"); in sun8i_ce_prng_generate()
H A Dsun8i-ce.h135 * @prng_t_dlen_in_bytes: Does the request size for PRNG is in
141 * @prng: The CE_ALG_XXX value for the PRNG
155 unsigned char prng; member
316 * struct sun8i_ce_prng_ctx - context for PRNG TFM
/linux/drivers/crypto/caam/
H A Dcaamprng.c3 * Driver to expose SEC4 PRNG via crypto RNG API
27 /* prng per-device context */
55 print_hex_dump_debug("prng reseed desc@: ", DUMP_PREFIX_ADDRESS, in caam_init_reseed_desc()
70 print_hex_dump_debug("prng job desc@: ", DUMP_PREFIX_ADDRESS, in caam_init_prng_desc()
193 .cra_driver_name = "prng-caam",
/linux/drivers/crypto/allwinner/sun8i-ss/
H A Dsun8i-ss-prng.c3 * sun8i-ss-prng.c - hardware cryptographic offloader for
8 * This file handle the PRNG found in the SS
76 dev_err(ss->dev, "The PRNG is not seeded\n"); in sun8i_ss_prng_generate()
129 /* the PRNG act badly (failing rngtest) without SS_KEY_ADR_REG set */ in sun8i_ss_prng_generate()
144 dev_err(ss->dev, "DMA timeout for PRNG (size=%u)\n", todo); in sun8i_ss_prng_generate()
/linux/tools/perf/pmu-events/arch/s390/cf_z14/
H A Dcrypto.json6 "BriefDescription": "PRNG Function Count",
13 "BriefDescription": "PRNG Cycle Count",
20 "BriefDescription": "PRNG Blocked Function Count",
27 "BriefDescription": "PRNG Blocked Cycle Count",
/linux/tools/perf/pmu-events/arch/s390/cf_z13/
H A Dcrypto.json6 "BriefDescription": "PRNG Function Count",
13 "BriefDescription": "PRNG Cycle Count",
20 "BriefDescription": "PRNG Blocked Function Count",
27 "BriefDescription": "PRNG Blocked Cycle Count",
/linux/tools/perf/pmu-events/arch/s390/cf_z10/
H A Dcrypto.json6 "BriefDescription": "PRNG Function Count",
13 "BriefDescription": "PRNG Cycle Count",
20 "BriefDescription": "PRNG Blocked Function Count",
27 "BriefDescription": "PRNG Blocked Cycle Count",
/linux/tools/perf/pmu-events/arch/s390/cf_zec12/
H A Dcrypto.json6 "BriefDescription": "PRNG Function Count",
13 "BriefDescription": "PRNG Cycle Count",
20 "BriefDescription": "PRNG Blocked Function Count",
27 "BriefDescription": "PRNG Blocked Cycle Count",
/linux/tools/perf/pmu-events/arch/s390/cf_z196/
H A Dcrypto.json6 "BriefDescription": "PRNG Function Count",
13 "BriefDescription": "PRNG Cycle Count",
20 "BriefDescription": "PRNG Blocked Function Count",
27 "BriefDescription": "PRNG Blocked Cycle Count",
/linux/net/sched/
H A Dsch_netem.c111 struct prng { struct
114 } prng; member
190 static u32 get_crandom(struct crndstate *state, struct prng *p) in get_crandom()
213 u32 rnd = prandom_u32_state(&q->prng.prng_state); in loss_4state()
278 struct rnd_state *s = &q->prng.prng_state; in loss_gilb_ell()
302 return q->loss && q->loss >= get_crandom(&q->loss_cor, &q->prng); in loss_event()
331 struct prng *prng, in tabledist() argument
341 rnd = get_crandom(state, prng); in tabledist()
463 if (q->duplicate && q->duplicate >= get_crandom(&q->dup_cor, &q->prng)) in netem_enqueue()
498 if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor, &q->prng)) { in netem_enqueue()
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/linux/tools/perf/pmu-events/arch/s390/cf_z16/
H A Dcrypto6.json6 "BriefDescription": "PRNG Function Count",
13 "BriefDescription": "PRNG Cycle Count",
20 "BriefDescription": "PRNG Blocked Function Count",
27 "BriefDescription": "PRNG Blocked Cycle Count",
/linux/tools/perf/pmu-events/arch/s390/cf_z15/
H A Dcrypto6.json6 "BriefDescription": "PRNG Function Count",
13 "BriefDescription": "PRNG Cycle Count",
20 "BriefDescription": "PRNG Blocked Function Count",
27 "BriefDescription": "PRNG Blocked Cycle Count",
/linux/drivers/crypto/allwinner/
H A DKconfig28 bool "Support for Allwinner Security System PRNG"
82 bool "Support for Allwinner Crypto Engine PRNG"
125 bool "Support for Allwinner Security System PRNG"

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