| /Linux-v5.4/drivers/crypto/ |
| D | exynos-rng.c | 66 struct exynos_rng_dev *rng; member
87 static u32 exynos_rng_readl(struct exynos_rng_dev *rng, u32 offset) in exynos_rng_readl() argument
89 return readl_relaxed(rng->mem + offset); in exynos_rng_readl()
92 static void exynos_rng_writel(struct exynos_rng_dev *rng, u32 val, u32 offset) in exynos_rng_writel() argument
94 writel_relaxed(val, rng->mem + offset); in exynos_rng_writel()
97 static int exynos_rng_set_seed(struct exynos_rng_dev *rng, in exynos_rng_set_seed() argument
117 exynos_rng_writel(rng, val, EXYNOS_RNG_SEED(seed_reg)); in exynos_rng_set_seed()
120 val = exynos_rng_readl(rng, EXYNOS_RNG_STATUS); in exynos_rng_set_seed()
122 dev_warn(rng->dev, "Seed setting not finished\n"); in exynos_rng_set_seed()
126 rng->last_seeding = jiffies; in exynos_rng_set_seed()
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| D | qcom-rng.c | 36 struct qcom_rng *rng; member
41 static int qcom_rng_read(struct qcom_rng *rng, u8 *data, unsigned int max) in qcom_rng_read() argument
48 val = readl_relaxed(rng->base + PRNG_STATUS); in qcom_rng_read()
52 val = readl_relaxed(rng->base + PRNG_DATA_OUT); in qcom_rng_read()
75 struct qcom_rng *rng = ctx->rng; in qcom_rng_generate() local
78 ret = clk_prepare_enable(rng->clk); in qcom_rng_generate()
82 mutex_lock(&rng->lock); in qcom_rng_generate()
84 ret = qcom_rng_read(rng, dstn, dlen); in qcom_rng_generate()
86 mutex_unlock(&rng->lock); in qcom_rng_generate()
87 clk_disable_unprepare(rng->clk); in qcom_rng_generate()
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| D | atmel-sha204a.c | 25 struct hwrng *rng = areq; in atmel_sha204a_rng_done() local
32 rng->priv = (unsigned long)work_data; in atmel_sha204a_rng_done()
36 static int atmel_sha204a_rng_read_nonblocking(struct hwrng *rng, void *data, in atmel_sha204a_rng_read_nonblocking() argument
42 i2c_priv = container_of(rng, struct atmel_i2c_client_priv, hwrng); in atmel_sha204a_rng_read_nonblocking()
48 if (rng->priv) { in atmel_sha204a_rng_read_nonblocking()
49 work_data = (struct atmel_i2c_work_data *)rng->priv; in atmel_sha204a_rng_read_nonblocking()
52 rng->priv = 0; in atmel_sha204a_rng_read_nonblocking()
65 atmel_i2c_enqueue(work_data, atmel_sha204a_rng_done, rng); in atmel_sha204a_rng_read_nonblocking()
70 static int atmel_sha204a_rng_read(struct hwrng *rng, void *data, size_t max, in atmel_sha204a_rng_read() argument
78 return atmel_sha204a_rng_read_nonblocking(rng, data, max); in atmel_sha204a_rng_read()
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| /Linux-v5.4/drivers/char/hw_random/ |
| D | core.c | 53 static int hwrng_init(struct hwrng *rng);
56 static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
64 static void add_early_randomness(struct hwrng *rng) in add_early_randomness() argument
70 bytes_read = rng_get_data(rng, rng_buffer, size, 0); in add_early_randomness()
78 struct hwrng *rng = container_of(kref, struct hwrng, ref); in cleanup_rng() local
80 if (rng->cleanup) in cleanup_rng()
81 rng->cleanup(rng); in cleanup_rng()
83 complete(&rng->cleanup_done); in cleanup_rng()
86 static int set_current_rng(struct hwrng *rng) in set_current_rng() argument
92 err = hwrng_init(rng); in set_current_rng()
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| D | Makefile | 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
11 obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o
12 obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o
13 obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o
14 n2-rng-y := n2-drv.o n2-asm.o
15 obj-$(CONFIG_HW_RANDOM_VIA) += via-rng.o
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| D | hisi-rng.c | 23 #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
79 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in hisi_rng_probe()
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| D | octeon-rng.c | 28 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()
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()
84 rng->control_status = devm_ioremap_nocache(&pdev->dev, in octeon_rng_probe()
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| D | mtk-rng.c | 33 #define to_mtk_rng(p) container_of(p, struct mtk_rng, rng)
38 struct hwrng rng; member
41 static int mtk_rng_init(struct hwrng *rng) in mtk_rng_init() argument
43 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_init()
58 static void mtk_rng_cleanup(struct hwrng *rng) in mtk_rng_cleanup() argument
60 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_cleanup()
70 static bool mtk_rng_wait_ready(struct hwrng *rng, bool wait) in mtk_rng_wait_ready() argument
72 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_wait_ready()
83 static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in mtk_rng_read() argument
85 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_read()
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| D | stm32-rng.c | 31 struct hwrng rng; member
38 static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) in stm32_rng_read() argument
41 container_of(rng, struct stm32_rng_private, rng); in stm32_rng_read()
45 pm_runtime_get_sync((struct device *) priv->rng.priv); in stm32_rng_read()
57 dev_err((struct device *)priv->rng.priv, in stm32_rng_read()
76 pm_runtime_mark_last_busy((struct device *) priv->rng.priv); in stm32_rng_read()
77 pm_runtime_put_sync_autosuspend((struct device *) priv->rng.priv); in stm32_rng_read()
82 static int stm32_rng_init(struct hwrng *rng) in stm32_rng_init() argument
85 container_of(rng, struct stm32_rng_private, rng); in stm32_rng_init()
104 static void stm32_rng_cleanup(struct hwrng *rng) in stm32_rng_cleanup() argument
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| D | cavium-rng-vf.c | 24 static int cavium_rng_read(struct hwrng *rng, void *dat, size_t max, bool wait) in cavium_rng_read() argument
26 struct cavium_rng *p = container_of(rng, struct cavium_rng, ops); in cavium_rng_read()
46 struct cavium_rng *rng; in cavium_rng_probe_vf() local
49 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in cavium_rng_probe_vf()
50 if (!rng) in cavium_rng_probe_vf()
54 rng->result = pcim_iomap(pdev, 0, 0); in cavium_rng_probe_vf()
55 if (!rng->result) { in cavium_rng_probe_vf()
60 rng->ops.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, in cavium_rng_probe_vf()
62 if (!rng->ops.name) in cavium_rng_probe_vf()
65 rng->ops.read = cavium_rng_read; in cavium_rng_probe_vf()
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| D | mxc-rnga.c | 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
126 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_cleanup()
144 mxc_rng->rng.name = "mxc-rnga"; in mxc_rnga_probe()
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| D | cavium-rng.c | 29 struct cavium_rng_pf *rng; in cavium_rng_probe() local
32 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in cavium_rng_probe()
33 if (!rng) in cavium_rng_probe()
37 rng->control_status = pcim_iomap(pdev, 0, 0); in cavium_rng_probe()
38 if (!rng->control_status) { in cavium_rng_probe()
46 rng->control_status); in cavium_rng_probe()
48 pci_set_drvdata(pdev, rng); in cavium_rng_probe()
54 writeq(0, rng->control_status); in cavium_rng_probe()
67 struct cavium_rng_pf *rng; in cavium_rng_remove() local
69 rng = pci_get_drvdata(pdev); in cavium_rng_remove()
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| D | bcm2835-rng.c | 31 struct hwrng rng; member
37 static inline struct bcm2835_rng_priv *to_rng_priv(struct hwrng *rng) in to_rng_priv() argument
39 return container_of(rng, struct bcm2835_rng_priv, rng); in to_rng_priv()
62 static int bcm2835_rng_read(struct hwrng *rng, void *buf, size_t max, in bcm2835_rng_read() argument
65 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_read()
85 static int bcm2835_rng_init(struct hwrng *rng) in bcm2835_rng_init() argument
87 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_init()
111 static void bcm2835_rng_cleanup(struct hwrng *rng) in bcm2835_rng_cleanup() argument
113 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_cleanup()
166 priv->rng.name = pdev->name; in bcm2835_rng_probe()
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| D | pic32-rng.c | 38 struct hwrng rng; member
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()
98 priv->rng.name = pdev->name; in pic32_rng_probe()
99 priv->rng.read = pic32_rng_read; in pic32_rng_probe()
101 ret = hwrng_register(&priv->rng); in pic32_rng_probe()
116 struct pic32_rng *rng = platform_get_drvdata(pdev); in pic32_rng_remove() local
118 hwrng_unregister(&rng->rng); in pic32_rng_remove()
119 writel(0, rng->base + RNGCON); in pic32_rng_remove()
120 clk_disable_unprepare(rng->clk); in pic32_rng_remove()
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| D | tx4939-rng.c | 29 struct hwrng rng; member
65 static int tx4939_rng_data_present(struct hwrng *rng, int wait) in tx4939_rng_data_present() argument
67 struct tx4939_rng *rngdev = container_of(rng, struct tx4939_rng, rng); in tx4939_rng_data_present()
98 static int tx4939_rng_data_read(struct hwrng *rng, u32 *buffer) in tx4939_rng_data_read() argument
100 struct tx4939_rng *rngdev = container_of(rng, struct tx4939_rng, rng); in tx4939_rng_data_read()
121 rngdev->rng.name = dev_name(&dev->dev); in tx4939_rng_probe()
122 rngdev->rng.data_present = tx4939_rng_data_present; in tx4939_rng_probe()
123 rngdev->rng.data_read = tx4939_rng_data_read; in tx4939_rng_probe()
142 if (!tx4939_rng_data_present(&rngdev->rng, 1)) in tx4939_rng_probe()
147 return devm_hwrng_register(&dev->dev, &rngdev->rng); in tx4939_rng_probe()
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| D | iproc-rng200.c | 51 struct hwrng rng; member
55 #define to_rng_priv(rng) container_of(rng, struct iproc_rng200_dev, rng) argument
94 static int iproc_rng200_read(struct hwrng *rng, void *buf, size_t max, in iproc_rng200_read() argument
97 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_read()
155 static int iproc_rng200_init(struct hwrng *rng) in iproc_rng200_init() argument
157 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_init()
169 static void iproc_rng200_cleanup(struct hwrng *rng) in iproc_rng200_cleanup() argument
171 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_cleanup()
205 priv->rng.name = "iproc-rng200", in iproc_rng200_probe()
206 priv->rng.read = iproc_rng200_read, in iproc_rng200_probe()
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| D | ks-sa-rng.c | 84 struct hwrng rng; member
90 static int ks_sa_rng_init(struct hwrng *rng) in ks_sa_rng_init() argument
93 struct device *dev = (struct device *)rng->priv; in ks_sa_rng_init()
126 static void ks_sa_rng_cleanup(struct hwrng *rng) in ks_sa_rng_cleanup() argument
128 struct device *dev = (struct device *)rng->priv; in ks_sa_rng_cleanup()
137 static int ks_sa_rng_data_read(struct hwrng *rng, u32 *data) in ks_sa_rng_data_read() argument
139 struct device *dev = (struct device *)rng->priv; in ks_sa_rng_data_read()
151 static int ks_sa_rng_data_present(struct hwrng *rng, int wait) in ks_sa_rng_data_present() argument
153 struct device *dev = (struct device *)rng->priv; in ks_sa_rng_data_present()
184 ks_sa_rng->rng = (struct hwrng) { in ks_sa_rng_probe()
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| D | exynos-trng.c | 52 struct hwrng rng; member
55 static int exynos_trng_do_read(struct hwrng *rng, void *data, size_t max, in exynos_trng_do_read() argument
63 trng = (struct exynos_trng_dev *)rng->priv; in exynos_trng_do_read()
76 static int exynos_trng_init(struct hwrng *rng) in exynos_trng_init() argument
78 struct exynos_trng_dev *trng = (struct exynos_trng_dev *)rng->priv; in exynos_trng_init()
119 trng->rng.name = devm_kstrdup(&pdev->dev, dev_name(&pdev->dev), in exynos_trng_probe()
121 if (!trng->rng.name) in exynos_trng_probe()
124 trng->rng.init = exynos_trng_init; in exynos_trng_probe()
125 trng->rng.read = exynos_trng_do_read; in exynos_trng_probe()
126 trng->rng.priv = (unsigned long) trng; in exynos_trng_probe()
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| /Linux-v5.4/arch/powerpc/platforms/powernv/ |
| D | rng.c | 34 struct powernv_rng *rng; in powernv_hwrng_present() local
36 rng = get_cpu_var(powernv_rng); in powernv_hwrng_present()
37 put_cpu_var(rng); in powernv_hwrng_present()
38 return rng != NULL; in powernv_hwrng_present()
41 static unsigned long rng_whiten(struct powernv_rng *rng, unsigned long val) in rng_whiten() argument
49 val ^= rng->mask; in rng_whiten()
52 rng->mask = (rng->mask << 1) | (parity & 1); in rng_whiten()
59 struct powernv_rng *rng; in powernv_get_random_real_mode() local
61 rng = raw_cpu_read(powernv_rng); in powernv_get_random_real_mode()
63 *v = rng_whiten(rng, __raw_rm_readq(rng->regs_real)); in powernv_get_random_real_mode()
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| /Linux-v5.4/Documentation/devicetree/bindings/rng/ |
| D | mtk-rng.txt | 6 "mediatek,mt7622-rng", "mediatek,mt7623-rng" : for MT7622
7 "mediatek,mt7629-rng", "mediatek,mt7623-rng" : for MT7629
8 "mediatek,mt7623-rng" : for MT7623
9 "mediatek,mt8516-rng", "mediatek,mt7623-rng" : for MT8516
12 - clock-names : Should contain "rng" entries;
17 rng: rng@1020f000 {
18 compatible = "mediatek,mt7623-rng";
21 clock-names = "rng";
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| D | brcm,bcm2835.txt | 6 "brcm,bcm2835-rng"
7 "brcm,bcm-nsp-rng"
8 "brcm,bcm5301x-rng" or
9 "brcm,bcm6368-rng"
23 rng {
24 compatible = "brcm,bcm2835-rng";
29 rng@18033000 {
30 compatible = "brcm,bcm-nsp-rng";
34 random: rng@10004180 {
35 compatible = "brcm,bcm6368-rng";
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| D | sparc_sun_oracle_rng.txt | 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'
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| /Linux-v5.4/crypto/ |
| D | jitterentropy-kcapi.c | 121 struct jitterentropy *rng = crypto_tfm_ctx(tfm); in jent_kcapi_init() local
124 rng->entropy_collector = jent_entropy_collector_alloc(1, 0); in jent_kcapi_init()
125 if (!rng->entropy_collector) in jent_kcapi_init()
128 spin_lock_init(&rng->jent_lock); in jent_kcapi_init()
134 struct jitterentropy *rng = crypto_tfm_ctx(tfm); in jent_kcapi_cleanup() local
136 spin_lock(&rng->jent_lock); in jent_kcapi_cleanup()
137 if (rng->entropy_collector) in jent_kcapi_cleanup()
138 jent_entropy_collector_free(rng->entropy_collector); in jent_kcapi_cleanup()
139 rng->entropy_collector = NULL; in jent_kcapi_cleanup()
140 spin_unlock(&rng->jent_lock); in jent_kcapi_cleanup()
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| /Linux-v5.4/drivers/crypto/amcc/ |
| D | crypto4xx_trng.c | 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()
75 struct hwrng *rng = NULL; in ppc4xx_trng_probe() local
90 rng = kzalloc(sizeof(*rng), GFP_KERNEL); in ppc4xx_trng_probe()
91 if (!rng) in ppc4xx_trng_probe()
94 rng->name = KBUILD_MODNAME; in ppc4xx_trng_probe()
95 rng->data_present = ppc4xx_trng_data_present; in ppc4xx_trng_probe()
96 rng->data_read = ppc4xx_trng_data_read; in ppc4xx_trng_probe()
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| /Linux-v5.4/include/linux/ |
| D | hw_random.h | 41 int (*init)(struct hwrng *rng);
42 void (*cleanup)(struct hwrng *rng);
43 int (*data_present)(struct hwrng *rng, int wait);
44 int (*data_read)(struct hwrng *rng, u32 *data);
45 int (*read)(struct hwrng *rng, void *data, size_t max, bool wait);
58 extern int hwrng_register(struct hwrng *rng);
59 extern int devm_hwrng_register(struct device *dev, struct hwrng *rng);
61 extern void hwrng_unregister(struct hwrng *rng);
62 extern void devm_hwrng_unregister(struct device *dve, struct hwrng *rng);
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