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/linux/drivers/gpu/drm/msm/registers/
H A Drules-fd.xsd4 xmlns:rng="http://nouveau.freedesktop.org/"
22 <element name="database" type="rng:databaseType" />
23 <element name="import" type="rng:importType" />
24 <element name="copyright" type="rng:copyrightType" />
25 <element name="domain" type="rng:domainType" />
26 <element name="array" type="rng:arrayType" />
27 <element name="stripe" type="rng:stripeType" />
28 <element name="reg64" type="rng:registerType" />
29 <element name="reg32" type="rng:registerType" />
30 <element name="bitset" type="rng:bitsetType" />
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/linux/drivers/char/hw_random/
H A DMakefile3 # Makefile for HW Random Number Generator (RNG) device drivers.
6 obj-$(CONFIG_HW_RANDOM) += rng-core.o
7 rng-core-y := core.o
8 obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += timeriomem-rng.o
9 obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o
10 obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o
12 obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o
13 obj-$(CONFIG_HW_RANDOM_BA431) += ba431-rng.o
14 obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o
15 obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o
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H A Dcavium-rng-vf.c82 static int check_rng_health(struct cavium_rng *rng) in check_rng_health() argument
90 if (!rng->pf_regbase) in check_rng_health()
93 status = readq(rng->pf_regbase + HEALTH_STATUS_REG); in check_rng_health()
95 dev_err(&rng->pdev->dev, "HWRNG: Startup health test failed\n"); in check_rng_health()
110 cur_err = (cycles * 1000000000) / rng->clock_rate; /* In nanosec */ in check_rng_health()
116 rng->prev_error = 0; in check_rng_health()
117 rng->prev_time = 0; in check_rng_health()
121 if (rng->prev_error) { in check_rng_health()
125 time_elapsed = (cur_time - rng->prev_time) * 10; in check_rng_health()
126 time_elapsed += rng->prev_error; in check_rng_health()
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H A Dcn10k-rng.c69 static unsigned long reset_rng_health_state(struct cn10k_rng *rng) in reset_rng_health_state() argument
78 static int check_rng_health(struct cn10k_rng *rng) in check_rng_health() argument
84 if (!rng->reg_base) in check_rng_health()
87 status = readq(rng->reg_base + RNM_PF_EBG_HEALTH); in check_rng_health()
89 err = reset_rng_health_state(rng); in check_rng_health()
91 dev_err(&rng->pdev->dev, "HWRNG: Health test failed (status=%llx)\n", in check_rng_health()
93 dev_err(&rng->pdev->dev, "HWRNG: error during reset (error=%lx)\n", in check_rng_health()
102 static bool cn10k_read_trng(struct cn10k_rng *rng, u64 *value) in cn10k_read_trng() argument
108 if (rng->extended_trng_regs) { in cn10k_read_trng()
110 *value = readq(rng->reg_base + RNM_PF_TRNG_DAT); in cn10k_read_trng()
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H A Dhisi-rng.c23 #define to_hisi_rng(p) container_of(p, struct hisi_rng, rng)
31 struct hwrng rng; member
34 static int hisi_rng_init(struct hwrng *rng) in hisi_rng_init() argument
36 struct hisi_rng *hrng = to_hisi_rng(rng); in hisi_rng_init()
57 static void hisi_rng_cleanup(struct hwrng *rng) in hisi_rng_cleanup() argument
59 struct hisi_rng *hrng = to_hisi_rng(rng); in hisi_rng_cleanup()
64 static int hisi_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in hisi_rng_read() argument
66 struct hisi_rng *hrng = to_hisi_rng(rng); in hisi_rng_read()
75 struct hisi_rng *rng; in hisi_rng_probe() local
78 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in hisi_rng_probe()
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H A Dcavium-rng.c22 /* Enable the RNG hardware and activate the VF */
26 struct cavium_rng_pf *rng; in cavium_rng_probe() local
29 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in cavium_rng_probe()
30 if (!rng) in cavium_rng_probe()
33 /*Map the RNG control */ in cavium_rng_probe()
34 rng->control_status = pcim_iomap(pdev, 0, 0); in cavium_rng_probe()
35 if (!rng->control_status) { in cavium_rng_probe()
41 /* Enable the RNG hardware and entropy source */ in cavium_rng_probe()
43 rng->control_status); in cavium_rng_probe()
45 pci_set_drvdata(pdev, rng); in cavium_rng_probe()
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H A Dbcm2835-rng.c22 /* enable rng */
31 struct hwrng rng; member
38 static inline struct bcm2835_rng_priv *to_rng_priv(struct hwrng *rng) in to_rng_priv() argument
40 return container_of(rng, struct bcm2835_rng_priv, rng); in to_rng_priv()
63 static int bcm2835_rng_read(struct hwrng *rng, void *buf, size_t max, in bcm2835_rng_read() argument
66 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_read()
73 hwrng_yield(rng); in bcm2835_rng_read()
86 static int bcm2835_rng_init(struct hwrng *rng) in bcm2835_rng_init() argument
88 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_init()
116 static void bcm2835_rng_cleanup(struct hwrng *rng) in bcm2835_rng_cleanup() argument
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H A Dpic32-rng.c3 * PIC32 RNG driver
30 struct hwrng rng; member
40 static int pic32_rng_init(struct hwrng *rng) in pic32_rng_init() argument
42 struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); in pic32_rng_init()
49 static int pic32_rng_read(struct hwrng *rng, void *buf, size_t max, in pic32_rng_read() argument
52 struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); in pic32_rng_read()
70 static void pic32_rng_cleanup(struct hwrng *rng) in pic32_rng_cleanup() argument
72 struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); in pic32_rng_cleanup()
94 priv->rng.name = pdev->name; in pic32_rng_probe()
95 priv->rng.init = pic32_rng_init; in pic32_rng_probe()
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H A Docteon-rng.c28 static int octeon_rng_init(struct hwrng *rng) in octeon_rng_init() argument
31 struct octeon_rng *p = container_of(rng, struct octeon_rng, ops); in octeon_rng_init()
35 ctl.s.rng_en = 1; /* Enable the RNG hardware. */ in octeon_rng_init()
40 static void octeon_rng_cleanup(struct hwrng *rng) in octeon_rng_cleanup() argument
43 struct octeon_rng *p = container_of(rng, struct octeon_rng, ops); in octeon_rng_cleanup()
50 static int octeon_rng_data_read(struct hwrng *rng, u32 *data) in octeon_rng_data_read() argument
52 struct octeon_rng *p = container_of(rng, struct octeon_rng, ops); in octeon_rng_data_read()
62 struct octeon_rng *rng; in octeon_rng_probe() local
71 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in octeon_rng_probe()
72 if (!rng) in octeon_rng_probe()
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H A Dmxc-rnga.c3 * RNG driver for Freescale RNGA
11 * This driver is based on other RNG drivers.
56 struct hwrng rng; member
61 static int mxc_rnga_data_present(struct hwrng *rng, int wait) in mxc_rnga_data_present() argument
64 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_data_present()
77 static int mxc_rnga_data_read(struct hwrng *rng, u32 * data) in mxc_rnga_data_read() argument
81 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_data_read()
100 static int mxc_rnga_init(struct hwrng *rng) in mxc_rnga_init() argument
103 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_init()
123 static void mxc_rnga_cleanup(struct hwrng *rng) in mxc_rnga_cleanup() argument
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H A Diproc-rng200.c42 struct hwrng rng; member
46 #define to_rng_priv(rng) container_of(rng, struct iproc_rng200_dev, rng) argument
70 /* Reset RNG and RBG */ in iproc_rng200_restart()
90 static int iproc_rng200_read(struct hwrng *rng, void *buf, size_t max, in iproc_rng200_read() argument
93 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_read()
105 /* Is RNG sane? If not, reset it. */ in iproc_rng200_read()
151 static int iproc_rng200_init(struct hwrng *rng) in iproc_rng200_init() argument
153 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_init()
160 static void iproc_rng200_cleanup(struct hwrng *rng) in iproc_rng200_cleanup() argument
162 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_cleanup()
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H A Dpasemi-rng.c7 * Driver for the PWRficient onchip rng
33 static int pasemi_rng_data_present(struct hwrng *rng, int wait) in pasemi_rng_data_present() argument
35 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_data_present()
48 static int pasemi_rng_data_read(struct hwrng *rng, u32 *data) in pasemi_rng_data_read() argument
50 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_data_read()
55 static int pasemi_rng_init(struct hwrng *rng) in pasemi_rng_init() argument
57 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_init()
67 static void pasemi_rng_cleanup(struct hwrng *rng) in pasemi_rng_cleanup() argument
69 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_cleanup()
95 pr_info("Registering PA Semi RNG\n"); in rng_probe()
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H A Dingenic-trng.c32 struct hwrng rng; member
35 static int ingenic_trng_init(struct hwrng *rng) in ingenic_trng_init() argument
37 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_init()
47 static void ingenic_trng_cleanup(struct hwrng *rng) in ingenic_trng_cleanup() argument
49 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_cleanup()
57 static int ingenic_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in ingenic_trng_read() argument
59 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_read()
96 trng->rng.name = pdev->name; in ingenic_trng_probe()
97 trng->rng.init = ingenic_trng_init; in ingenic_trng_probe()
98 trng->rng.cleanup = ingenic_trng_cleanup; in ingenic_trng_probe()
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H A Dba431-rng.c42 struct hwrng rng; member
115 static int ba431_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in ba431_trng_read() argument
117 struct ba431_trng *ba431 = container_of(rng, struct ba431_trng, rng); in ba431_trng_read()
155 static void ba431_trng_cleanup(struct hwrng *rng) in ba431_trng_cleanup() argument
157 struct ba431_trng *ba431 = container_of(rng, struct ba431_trng, rng); in ba431_trng_cleanup()
163 static int ba431_trng_init(struct hwrng *rng) in ba431_trng_init() argument
165 struct ba431_trng *ba431 = container_of(rng, struct ba431_trng, rng); in ba431_trng_init()
187 ba431->rng.name = pdev->name; in ba431_trng_probe()
188 ba431->rng.init = ba431_trng_init; in ba431_trng_probe()
189 ba431->rng.cleanup = ba431_trng_cleanup; in ba431_trng_probe()
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H A Dmeson-rng.c26 int (*read)(struct hwrng *rng, void *buf, size_t max, bool wait);
31 struct hwrng rng; member
35 static int meson_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in meson_rng_read() argument
38 container_of(rng, struct meson_rng_data, rng); in meson_rng_read()
59 static int meson_s4_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in meson_s4_rng_read() argument
62 container_of(rng, struct meson_rng_data, rng); in meson_s4_rng_read()
110 data->rng.name = pdev->name; in meson_rng_probe()
111 data->rng.read = priv->read; in meson_rng_probe()
115 return devm_hwrng_register(dev, &data->rng); in meson_rng_probe()
128 .compatible = "amlogic,meson-rng",
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/linux/drivers/crypto/
H A Dqcom-rng.c4 // Based on msm-rng.c and downstream driver
6 #include <crypto/internal/rng.h>
43 struct qcom_rng *rng; member
53 static int qcom_rng_read(struct qcom_rng *rng, u8 *data, unsigned int max) in qcom_rng_read() argument
61 ret = readl_poll_timeout(rng->base + PRNG_STATUS, val, in qcom_rng_read()
67 val = readl_relaxed(rng->base + PRNG_DATA_OUT); in qcom_rng_read()
90 struct qcom_rng *rng = ctx->rng; in qcom_rng_generate() local
93 ret = clk_prepare_enable(rng->clk); in qcom_rng_generate()
97 mutex_lock(&rng->lock); in qcom_rng_generate()
99 ret = qcom_rng_read(rng, dstn, dlen); in qcom_rng_generate()
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/linux/arch/powerpc/platforms/powernv/
H A Drng.c6 #define pr_fmt(fmt) "powernv-rng: " fmt
32 static unsigned long rng_whiten(struct pnv_rng *rng, unsigned long val) in rng_whiten() argument
44 val ^= rng->mask; in rng_whiten()
47 rng->mask = (rng->mask << 1) | (parity & 1); in rng_whiten()
86 struct pnv_rng *rng; in pnv_get_random_long() local
89 rng = get_cpu_var(pnv_rng); in pnv_get_random_long()
90 *v = rng_whiten(rng, in_be64(rng->regs)); in pnv_get_random_long()
91 put_cpu_var(rng); in pnv_get_random_long()
93 rng = raw_cpu_read(pnv_rng); in pnv_get_random_long()
94 *v = rng_whiten(rng, __raw_rm_readq(rng->regs_real)); in pnv_get_random_long()
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/linux/drivers/crypto/caam/
H A Dcaamrng.c36 /* rng per-device context */
38 struct hwrng rng; member
78 print_hex_dump_debug("rng job desc@: ", DUMP_PREFIX_ADDRESS, in caam_init_desc()
147 static int caam_read(struct hwrng *rng, void *dst, size_t max, bool wait) in caam_read() argument
149 struct caam_rng_ctx *ctx = to_caam_rng_ctx(rng); in caam_read()
166 static void caam_cleanup(struct hwrng *rng) in caam_cleanup() argument
168 struct caam_rng_ctx *ctx = to_caam_rng_ctx(rng); in caam_cleanup()
176 static inline void test_len(struct hwrng *rng, size_t len, bool wait) in test_len() argument
180 struct caam_rng_ctx *ctx = to_caam_rng_ctx(rng); in test_len()
186 read_len = rng->read(rng, buf, len, wait); in test_len()
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/linux/Documentation/devicetree/bindings/rng/
H A Dmtk-rng.yaml4 $id: http://devicetree.org/schemas/rng/mtk-rng.yaml#
14 pattern: "^rng@[0-9a-f]+$"
19 - mediatek,mt7623-rng
22 - mediatek,mt7622-rng
23 - mediatek,mt7629-rng
24 - mediatek,mt7986-rng
25 - mediatek,mt8365-rng
26 - mediatek,mt8516-rng
27 - const: mediatek,mt7623-rng
37 - const: rng
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H A Dbrcm,bcm2835.yaml4 $id: http://devicetree.org/schemas/rng/brcm,bcm2835.yaml#
17 - brcm,bcm2835-rng
18 - brcm,bcm-nsp-rng
19 - brcm,bcm5301x-rng
20 - brcm,bcm6368-rng
48 - brcm,bcm6368-rng
60 rng@7e104000 {
61 compatible = "brcm,bcm2835-rng";
67 rng@18033000 {
68 compatible = "brcm,bcm-nsp-rng";
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H A Dsparc_sun_oracle_rng.txt6 RNG versions:
7 - 'SUNW,n2-rng' for Niagara 2 Platform (SUN UltraSPARC T2 CPU)
8 - 'SUNW,vf-rng' for Victoria Falls Platform (SUN UltraSPARC T2 Plus CPU)
9 …- 'SUNW,kt-rng' for Rainbow/Yosemite Falls Platform (SUN SPARC T3/T4), (UltraSPARC KT/Niagara 3 - …
11 - 'ORCL,m4-rng' for SPARC T5/M5
12 - 'ORCL,m7-rng' for SPARC T7/M7
18 rng-#units: 00000002
19 compatible: 'ORCL,m4-rng'
25 rng-#units: 00000003
26 compatible: 'ORCL,m7-rng'
/linux/drivers/crypto/amcc/
H A Dcrypto4xx_trng.c3 * Generic PowerPC 44x RNG driver
28 static int ppc4xx_trng_data_present(struct hwrng *rng, int wait) in ppc4xx_trng_data_present() argument
30 struct crypto4xx_device *dev = (void *)rng->priv; in ppc4xx_trng_data_present()
45 static int ppc4xx_trng_data_read(struct hwrng *rng, u32 *data) in ppc4xx_trng_data_read() argument
47 struct crypto4xx_device *dev = (void *)rng->priv; in ppc4xx_trng_data_read()
65 { .compatible = "ppc4xx-rng", },
66 { .compatible = "amcc,ppc460ex-rng", },
67 { .compatible = "amcc,ppc440epx-rng", },
75 struct hwrng *rng = NULL; in ppc4xx_trng_probe() local
90 rng = kzalloc(sizeof(*rng), GFP_KERNEL); in ppc4xx_trng_probe()
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/linux/include/linux/
H A Dhw_random.h21 * @name: Unique RNG name.
25 * on the RNG. If NULL, it is assumed that
27 * @data_read: Read data from the RNG device.
33 * @priv: Private data, for use by the RNG driver.
34 * @quality: Estimation of true entropy in RNG's bitstream
40 int (*init)(struct hwrng *rng);
41 void (*cleanup)(struct hwrng *rng);
42 int (*data_present)(struct hwrng *rng, int wait);
43 int (*data_read)(struct hwrng *rng, u32 *data);
44 int (*read)(struct hwrng *rng, void *data, size_t max, bool wait);
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/linux/crypto/
H A Djitterentropy-kcapi.c47 #include <crypto/internal/rng.h>
83 * implement a high-resolution time stamp, the RNG code's runtime test
202 struct jitterentropy *rng = crypto_tfm_ctx(tfm); in jent_kcapi_cleanup() local
204 spin_lock(&rng->jent_lock); in jent_kcapi_cleanup()
206 if (rng->sdesc) { in jent_kcapi_cleanup()
207 shash_desc_zero(rng->sdesc); in jent_kcapi_cleanup()
208 kfree(rng->sdesc); in jent_kcapi_cleanup()
210 rng->sdesc = NULL; in jent_kcapi_cleanup()
212 if (rng->tfm) in jent_kcapi_cleanup()
213 crypto_free_shash(rng->tfm); in jent_kcapi_cleanup()
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/linux/Documentation/admin-guide/
H A Dhw_random.rst10 a Random Number Generator (RNG). The software has two parts:
17 latest version of the "rng-tools" package from:
19 https://github.com/nhorman/rng-tools
30 the hardware RNG device. This data is NOT CHECKED by any
37 The rng-tools package uses such tests in "rngd", and lets you
47 RNG available, you may change the one used by writing a name from
53 Hardware driver for Intel/AMD/VIA Random Number Generators (RNG)
58 About the Intel RNG hardware, from the firmware hub datasheet
61 The Firmware Hub integrates a Random Number Generator (RNG)
64 bits the RNG circuitry will enter a low power state. Intel will
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