| /kernel/linux/linux-4.19/drivers/crypto/ |
| D | exynos-rng.c | 3 * exynos-rng.c - Random Number Generator driver for the Exynos
7 * Loosely based on old driver from drivers/char/hw_random/exynos-rng.c:
21 #include <crypto/internal/rng.h>
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()
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| D | qcom-rng.c | 4 // Based on msm-rng.c and downstream driver
6 #include <crypto/internal/rng.h>
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()
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| /kernel/linux/linux-5.10/drivers/crypto/ |
| D | exynos-rng.c | 3 * exynos-rng.c - Random Number Generator driver for the Exynos
7 * Loosely based on old driver from drivers/char/hw_random/exynos-rng.c:
21 #include <crypto/internal/rng.h>
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()
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| D | qcom-rng.c | 4 // Based on msm-rng.c and downstream driver
6 #include <crypto/internal/rng.h>
37 struct qcom_rng *rng; member
42 static int qcom_rng_read(struct qcom_rng *rng, u8 *data, unsigned int max) in qcom_rng_read() argument
49 val = readl_relaxed(rng->base + PRNG_STATUS); in qcom_rng_read()
53 val = readl_relaxed(rng->base + PRNG_DATA_OUT); in qcom_rng_read()
76 struct qcom_rng *rng = ctx->rng; in qcom_rng_generate() local
79 ret = clk_prepare_enable(rng->clk); in qcom_rng_generate()
83 mutex_lock(&rng->lock); in qcom_rng_generate()
85 ret = qcom_rng_read(rng, dstn, dlen); in qcom_rng_generate()
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| /kernel/linux/linux-5.10/drivers/char/hw_random/ |
| D | Makefile | 3 # 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
11 obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o
12 obj-$(CONFIG_HW_RANDOM_BA431) += ba431-rng.o
13 obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o
14 obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o
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| D | core.c | 31 /* the current rng has been explicitly chosen by user via sysfs */
38 /* Protects rng read functions, data_avail, rng_buffer and rng_fillbuf */
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()
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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
78 rng = devm_kzalloc(&pdev->dev, sizeof(*rng), GFP_KERNEL); in hisi_rng_probe()
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| D | cavium-rng.c | 25 /* Enable the RNG hardware and activate the VF */
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()
36 /*Map the RNG control */ 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()
44 /* Enable the RNG hardware and entropy source */ in cavium_rng_probe()
46 rng->control_status); in cavium_rng_probe()
48 pci_set_drvdata(pdev, rng); in cavium_rng_probe()
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| D | ingenic-rng.c | 18 /* RNG register offsets */
36 struct hwrng rng; member
39 static int ingenic_rng_init(struct hwrng *rng) in ingenic_rng_init() argument
41 struct ingenic_rng *priv = container_of(rng, struct ingenic_rng, rng); in ingenic_rng_init()
48 static void ingenic_rng_cleanup(struct hwrng *rng) in ingenic_rng_cleanup() argument
50 struct ingenic_rng *priv = container_of(rng, struct ingenic_rng, rng); in ingenic_rng_cleanup()
55 static int ingenic_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in ingenic_rng_read() argument
57 struct ingenic_rng *priv = container_of(rng, struct ingenic_rng, rng); in ingenic_rng_read()
66 pr_err("%s: Wait for RNG data ready timeout\n", __func__); in ingenic_rng_read()
71 * A delay is required so that the current RNG data is not bit shifted in ingenic_rng_read()
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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()
50 /* care of initial delay time when enabling rng */ in stm32_rng_read()
57 dev_err((struct device *)priv->rng.priv, in stm32_rng_read()
64 "bad RNG status - %x\n", sr)) 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
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| D | npcm-rng.c | 29 #define to_npcm_rng(p) container_of(p, struct npcm_rng, rng)
33 struct hwrng rng; member
36 static int npcm_rng_init(struct hwrng *rng) in npcm_rng_init() argument
38 struct npcm_rng *priv = to_npcm_rng(rng); in npcm_rng_init()
46 static void npcm_rng_cleanup(struct hwrng *rng) in npcm_rng_cleanup() argument
48 struct npcm_rng *priv = to_npcm_rng(rng); in npcm_rng_cleanup()
53 static int npcm_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in npcm_rng_read() argument
55 struct npcm_rng *priv = to_npcm_rng(rng); in npcm_rng_read()
59 pm_runtime_get_sync((struct device *)priv->rng.priv); in npcm_rng_read()
81 pm_runtime_mark_last_busy((struct device *)priv->rng.priv); in npcm_rng_read()
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| D | cavium-rng-vf.c | 23 /* Read data from the RNG unit */
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()
42 /* Map Cavium RNG to an HWRNG object */
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()
53 /* Map the RNG result */ 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()
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| D | bcm2835-rng.c | 22 /* enable rng */
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()
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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()
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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| /kernel/linux/linux-4.19/drivers/char/hw_random/ |
| D | core.c | 31 /* the current rng has been explicitly chosen by user via sysfs */
38 /* Protects rng read functions, data_avail, rng_buffer and rng_fillbuf */
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()
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| D | Makefile | 3 # 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
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
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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.c | 25 /* Enable the RNG hardware and activate the VF */
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()
36 /*Map the RNG control */ 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()
44 /* Enable the RNG hardware and entropy source */ in cavium_rng_probe()
46 rng->control_status); in cavium_rng_probe()
48 pci_set_drvdata(pdev, rng); in cavium_rng_probe()
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| D | cavium-rng-vf.c | 23 /* Read data from the RNG unit */
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()
42 /* Map Cavium RNG to an HWRNG object */
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()
53 /* Map the RNG result */ 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()
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| D | stm32-rng.c | 40 struct hwrng rng; member
47 static int stm32_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) in stm32_rng_read() argument
50 container_of(rng, struct stm32_rng_private, rng); in stm32_rng_read()
54 pm_runtime_get_sync((struct device *) priv->rng.priv); in stm32_rng_read()
59 /* care of initial delay time when enabling rng */ in stm32_rng_read()
66 dev_err((struct device *)priv->rng.priv, in stm32_rng_read()
73 "bad RNG status - %x\n", sr)) in stm32_rng_read()
85 pm_runtime_mark_last_busy((struct device *) priv->rng.priv); in stm32_rng_read()
86 pm_runtime_put_sync_autosuspend((struct device *) priv->rng.priv); in stm32_rng_read()
91 static int stm32_rng_init(struct hwrng *rng) in stm32_rng_init() argument
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| D | mtk-rng.c | 42 #define to_mtk_rng(p) container_of(p, struct mtk_rng, rng)
47 struct hwrng rng; member
50 static int mtk_rng_init(struct hwrng *rng) in mtk_rng_init() argument
52 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_init()
67 static void mtk_rng_cleanup(struct hwrng *rng) in mtk_rng_cleanup() argument
69 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_cleanup()
79 static bool mtk_rng_wait_ready(struct hwrng *rng, bool wait) in mtk_rng_wait_ready() argument
81 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_wait_ready()
92 static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in mtk_rng_read() argument
94 struct mtk_rng *priv = to_mtk_rng(rng); in mtk_rng_read()
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| D | bcm2835-rng.c | 25 /* enable rng */
34 struct hwrng rng; member
40 static inline struct bcm2835_rng_priv *to_rng_priv(struct hwrng *rng) in to_rng_priv() argument
42 return container_of(rng, struct bcm2835_rng_priv, rng); in to_rng_priv()
65 static int bcm2835_rng_read(struct hwrng *rng, void *buf, size_t max, in bcm2835_rng_read() argument
68 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_read()
88 static int bcm2835_rng_init(struct hwrng *rng) in bcm2835_rng_init() argument
90 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_init()
114 static void bcm2835_rng_cleanup(struct hwrng *rng) in bcm2835_rng_cleanup() argument
116 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_cleanup()
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| /kernel/linux/linux-5.10/arch/powerpc/platforms/powernv/ |
| D | rng.c | 6 #define pr_fmt(fmt) "powernv-rng: " fmt
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()
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| /kernel/linux/linux-4.19/arch/powerpc/platforms/powernv/ |
| D | rng.c | 10 #define pr_fmt(fmt) "powernv-rng: " fmt
38 struct powernv_rng *rng; in powernv_hwrng_present() local
40 rng = get_cpu_var(powernv_rng); in powernv_hwrng_present()
41 put_cpu_var(rng); in powernv_hwrng_present()
42 return rng != NULL; in powernv_hwrng_present()
45 static unsigned long rng_whiten(struct powernv_rng *rng, unsigned long val) in rng_whiten() argument
53 val ^= rng->mask; in rng_whiten()
56 rng->mask = (rng->mask << 1) | (parity & 1); in rng_whiten()
63 struct powernv_rng *rng; in powernv_get_random_real_mode() local
65 rng = raw_cpu_read(powernv_rng); in powernv_get_random_real_mode()
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