| /drivers/char/hw_random/ |
| D | core.c | 74 static int hwrng_init(struct hwrng *rng);
77 static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
85 static void add_early_randomness(struct hwrng *rng) in add_early_randomness() argument
91 bytes_read = rng_get_data(rng, rng_buffer, size, 1); in add_early_randomness()
99 struct hwrng *rng = container_of(kref, struct hwrng, ref); in cleanup_rng() local
101 if (rng->cleanup) in cleanup_rng()
102 rng->cleanup(rng); in cleanup_rng()
104 complete(&rng->cleanup_done); in cleanup_rng()
107 static int set_current_rng(struct hwrng *rng) in set_current_rng() argument
113 err = hwrng_init(rng); in set_current_rng()
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| D | Makefile | 5 obj-$(CONFIG_HW_RANDOM) += rng-core.o
6 rng-core-y := core.o
7 obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += timeriomem-rng.o
8 obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o
9 obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o
10 obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o
11 obj-$(CONFIG_HW_RANDOM_BCM63XX) += bcm63xx-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
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| D | msm-rng.c | 48 struct msm_rng *rng = to_msm_rng(hwrng); in msm_rng_enable() local
52 ret = clk_prepare_enable(rng->clk); in msm_rng_enable()
58 val = readl_relaxed(rng->base + PRNG_CONFIG); in msm_rng_enable()
62 val = readl_relaxed(rng->base + PRNG_LFSR_CFG); in msm_rng_enable()
65 writel(val, rng->base + PRNG_LFSR_CFG); in msm_rng_enable()
67 val = readl_relaxed(rng->base + PRNG_CONFIG); in msm_rng_enable()
69 writel(val, rng->base + PRNG_CONFIG); in msm_rng_enable()
71 val = readl_relaxed(rng->base + PRNG_CONFIG); in msm_rng_enable()
73 writel(val, rng->base + PRNG_CONFIG); in msm_rng_enable()
77 clk_disable_unprepare(rng->clk); in msm_rng_enable()
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| D | hisi-rng.c | 26 #define to_hisi_rng(p) container_of(p, struct hisi_rng, rng)
34 struct hwrng rng; member
37 static int hisi_rng_init(struct hwrng *rng) in hisi_rng_init() argument
39 struct hisi_rng *hrng = to_hisi_rng(rng); in hisi_rng_init()
60 static void hisi_rng_cleanup(struct hwrng *rng) in hisi_rng_cleanup() argument
62 struct hisi_rng *hrng = to_hisi_rng(rng); in hisi_rng_cleanup()
67 static int hisi_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in hisi_rng_read() argument
69 struct hisi_rng *hrng = to_hisi_rng(rng); in hisi_rng_read()
78 struct hisi_rng *rng; in hisi_rng_probe() local
82 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in hisi_rng_probe()
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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 = "cavium rng"; in cavium_rng_probe_vf()
61 rng->ops.read = cavium_rng_read; in cavium_rng_probe_vf()
62 rng->ops.quality = 1000; in cavium_rng_probe_vf()
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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 | stm32-rng.c | 46 struct hwrng rng; member
51 static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) in stm32_rng_read() argument
54 container_of(rng, struct stm32_rng_private, rng); in stm32_rng_read()
58 pm_runtime_get_sync((struct device *) priv->rng.priv); in stm32_rng_read()
86 pm_runtime_mark_last_busy((struct device *) priv->rng.priv); in stm32_rng_read()
87 pm_runtime_put_sync_autosuspend((struct device *) priv->rng.priv); in stm32_rng_read()
92 static int stm32_rng_init(struct hwrng *rng) in stm32_rng_init() argument
95 container_of(rng, struct stm32_rng_private, rng); in stm32_rng_init()
110 static void stm32_rng_cleanup(struct hwrng *rng) in stm32_rng_cleanup() argument
113 container_of(rng, struct stm32_rng_private, rng); in stm32_rng_cleanup()
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| D | bcm63xx-rng.c | 28 struct hwrng rng; member
33 #define to_rng_priv(rng) container_of(rng, struct bcm63xx_rng_priv, rng) argument
35 static int bcm63xx_rng_init(struct hwrng *rng) in bcm63xx_rng_init() argument
37 struct bcm63xx_rng_priv *priv = to_rng_priv(rng); in bcm63xx_rng_init()
52 static void bcm63xx_rng_cleanup(struct hwrng *rng) in bcm63xx_rng_cleanup() argument
54 struct bcm63xx_rng_priv *priv = to_rng_priv(rng); in bcm63xx_rng_cleanup()
64 static int bcm63xx_rng_data_present(struct hwrng *rng, int wait) in bcm63xx_rng_data_present() argument
66 struct bcm63xx_rng_priv *priv = to_rng_priv(rng); in bcm63xx_rng_data_present()
71 static int bcm63xx_rng_data_read(struct hwrng *rng, u32 *data) in bcm63xx_rng_data_read() argument
73 struct bcm63xx_rng_priv *priv = to_rng_priv(rng); in bcm63xx_rng_data_read()
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| D | mxc-rnga.c | 64 struct hwrng rng; member
69 static int mxc_rnga_data_present(struct hwrng *rng, int wait) in mxc_rnga_data_present() argument
72 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_data_present()
85 static int mxc_rnga_data_read(struct hwrng *rng, u32 * data) in mxc_rnga_data_read() argument
89 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_data_read()
108 static int mxc_rnga_init(struct hwrng *rng) in mxc_rnga_init() argument
111 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_init()
131 static void mxc_rnga_cleanup(struct hwrng *rng) in mxc_rnga_cleanup() argument
134 struct mxc_rng *mxc_rng = container_of(rng, struct mxc_rng, rng); in mxc_rnga_cleanup()
153 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 | pic32-rng.c | 46 struct hwrng rng; member
57 static int pic32_rng_read(struct hwrng *rng, void *buf, size_t max, in pic32_rng_read() argument
60 struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); in pic32_rng_read()
109 priv->rng.name = pdev->name; in pic32_rng_probe()
110 priv->rng.read = pic32_rng_read; in pic32_rng_probe()
112 ret = hwrng_register(&priv->rng); in pic32_rng_probe()
127 struct pic32_rng *rng = platform_get_drvdata(pdev); in pic32_rng_remove() local
129 hwrng_unregister(&rng->rng); in pic32_rng_remove()
130 writel(0, rng->base + RNGCON); in pic32_rng_remove()
131 clk_disable_unprepare(rng->clk); in pic32_rng_remove()
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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 | exynos-rng.c | 41 struct hwrng rng; member
46 static u32 exynos_rng_readl(struct exynos_rng *rng, u32 offset) in exynos_rng_readl() argument
48 return readl_relaxed(rng->mem + offset); in exynos_rng_readl()
51 static void exynos_rng_writel(struct exynos_rng *rng, u32 val, u32 offset) in exynos_rng_writel() argument
53 writel_relaxed(val, rng->mem + offset); in exynos_rng_writel()
72 static int exynos_init(struct hwrng *rng) in exynos_init() argument
74 struct exynos_rng *exynos_rng = container_of(rng, in exynos_init()
75 struct exynos_rng, rng); in exynos_init()
86 static int exynos_read(struct hwrng *rng, void *buf, in exynos_read() argument
89 struct exynos_rng *exynos_rng = container_of(rng, in exynos_read()
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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 | meson-rng.c | 71 struct hwrng rng; member
74 static int meson_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in meson_rng_read() argument
77 container_of(rng, struct meson_rng_data, rng); in meson_rng_read()
101 data->rng.name = pdev->name; in meson_rng_probe()
102 data->rng.read = meson_rng_read; in meson_rng_probe()
106 return devm_hwrng_register(dev, &data->rng); in meson_rng_probe()
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| D | pasemi-rng.c | 46 static int pasemi_rng_data_present(struct hwrng *rng, int wait) in pasemi_rng_data_present() argument
48 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_data_present()
61 static int pasemi_rng_data_read(struct hwrng *rng, u32 *data) in pasemi_rng_data_read() argument
63 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_data_read()
68 static int pasemi_rng_init(struct hwrng *rng) in pasemi_rng_init() argument
70 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_init()
80 static void pasemi_rng_cleanup(struct hwrng *rng) in pasemi_rng_cleanup() argument
82 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_cleanup()
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| D | atmel-rng.c | 27 struct hwrng rng; member
30 static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max, in atmel_trng_read() argument
33 struct atmel_trng *trng = container_of(rng, struct atmel_trng, rng); in atmel_trng_read()
75 trng->rng.name = pdev->name; in atmel_trng_probe()
76 trng->rng.read = atmel_trng_read; in atmel_trng_probe()
78 ret = hwrng_register(&trng->rng); in atmel_trng_probe()
95 hwrng_unregister(&trng->rng); in atmel_trng_remove()
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| D | Kconfig | 12 module will be called rng-core. This provides a device
35 module will be called timeriomem-rng.
48 module will be called intel-rng.
61 module will be called amd-rng.
74 module will be called atmel-rng.
87 module will be called bcm63xx-rng
100 module will be called bcm2835-rng
126 module will be called geode-rng.
139 module will be called n2-rng.
152 module will be called via-rng.
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| D | amd-rng.c | 61 static int amd_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in amd_rng_read() argument
64 struct amd768_priv *priv = (struct amd768_priv *)rng->priv; in amd_rng_read()
94 static int amd_rng_init(struct hwrng *rng) in amd_rng_init() argument
96 struct amd768_priv *priv = (struct amd768_priv *)rng->priv; in amd_rng_init()
110 static void amd_rng_cleanup(struct hwrng *rng) in amd_rng_cleanup() argument
112 struct amd768_priv *priv = (struct amd768_priv *)rng->priv; in amd_rng_cleanup()
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| D | timeriomem-rng.c | 48 #define to_rng_priv(rng) \ argument
49 ((struct timeriomem_rng_private_data *)rng->priv)
54 static int timeriomem_rng_data_present(struct hwrng *rng, int wait) in timeriomem_rng_data_present() argument
56 struct timeriomem_rng_private_data *priv = to_rng_priv(rng); in timeriomem_rng_data_present()
66 static int timeriomem_rng_data_read(struct hwrng *rng, u32 *data) in timeriomem_rng_data_read() argument
68 struct timeriomem_rng_private_data *priv = to_rng_priv(rng); in timeriomem_rng_data_read()
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| D | intel-rng.c | 167 static int intel_rng_data_present(struct hwrng *rng, int wait) in intel_rng_data_present() argument
169 void __iomem *mem = (void __iomem *)rng->priv; in intel_rng_data_present()
182 static int intel_rng_data_read(struct hwrng *rng, u32 *data) in intel_rng_data_read() argument
184 void __iomem *mem = (void __iomem *)rng->priv; in intel_rng_data_read()
191 static int intel_rng_init(struct hwrng *rng) in intel_rng_init() argument
193 void __iomem *mem = (void __iomem *)rng->priv; in intel_rng_init()
210 static void intel_rng_cleanup(struct hwrng *rng) in intel_rng_cleanup() argument
212 void __iomem *mem = (void __iomem *)rng->priv; in intel_rng_cleanup()
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| D | via-rng.c | 91 static int via_rng_data_present(struct hwrng *rng, int wait) in via_rng_data_present() argument
120 rng->priv = *via_rng_datum; in via_rng_data_present()
124 static int via_rng_data_read(struct hwrng *rng, u32 *data) in via_rng_data_read() argument
126 u32 via_rng_datum = (u32)rng->priv; in via_rng_data_read()
133 static int via_rng_init(struct hwrng *rng) in via_rng_init() argument
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| D | geode-rng.c | 55 static int geode_rng_data_read(struct hwrng *rng, u32 *data) in geode_rng_data_read() argument
57 void __iomem *mem = (void __iomem *)rng->priv; in geode_rng_data_read()
64 static int geode_rng_data_present(struct hwrng *rng, int wait) in geode_rng_data_present() argument
66 void __iomem *mem = (void __iomem *)rng->priv; in geode_rng_data_present()
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| D | omap-rng.c | 143 static int omap_rng_data_present(struct hwrng *rng, int wait) in omap_rng_data_present() argument
148 priv = (struct omap_rng_dev *)rng->priv; in omap_rng_data_present()
164 static int omap_rng_data_read(struct hwrng *rng, u32 *data) in omap_rng_data_read() argument
169 priv = (struct omap_rng_dev *)rng->priv; in omap_rng_data_read()
180 static int omap_rng_init(struct hwrng *rng) in omap_rng_init() argument
184 priv = (struct omap_rng_dev *)rng->priv; in omap_rng_init()
188 static void omap_rng_cleanup(struct hwrng *rng) in omap_rng_cleanup() argument
192 priv = (struct omap_rng_dev *)rng->priv; in omap_rng_cleanup()
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| /drivers/crypto/amcc/ |
| D | crypto4xx_trng.c | 31 static int ppc4xx_trng_data_present(struct hwrng *rng, int wait) in ppc4xx_trng_data_present() argument
33 struct crypto4xx_device *dev = (void *)rng->priv; in ppc4xx_trng_data_present()
48 static int ppc4xx_trng_data_read(struct hwrng *rng, u32 *data) in ppc4xx_trng_data_read() argument
50 struct crypto4xx_device *dev = (void *)rng->priv; in ppc4xx_trng_data_read()
78 struct hwrng *rng = NULL; in ppc4xx_trng_probe() local
91 rng = kzalloc(sizeof(*rng), GFP_KERNEL); in ppc4xx_trng_probe()
92 if (!rng) in ppc4xx_trng_probe()
95 rng->name = MODULE_NAME; in ppc4xx_trng_probe()
96 rng->data_present = ppc4xx_trng_data_present; in ppc4xx_trng_probe()
97 rng->data_read = ppc4xx_trng_data_read; in ppc4xx_trng_probe()
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