| /linux/drivers/char/hw_random/ |
| H A D | cavium-rng-vf.c | 82 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()
[all …]
|
| H A 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()
[all …]
|
| H A D | xilinx-trng.c | 81 static void xtrng_softreset(struct xilinx_rng *rng) in xtrng_softreset() argument
83 xtrng_readwrite32(rng->rng_base + TRNG_CTRL_OFFSET, TRNG_CTRL_PRNGSRST_MASK, in xtrng_softreset()
86 xtrng_readwrite32(rng->rng_base + TRNG_CTRL_OFFSET, TRNG_CTRL_PRNGSRST_MASK, 0); in xtrng_softreset()
119 static int xtrng_collect_random_data(struct xilinx_rng *rng, u8 *rand_gen_buf, in xtrng_collect_random_data() argument
130 xtrng_readwrite32(rng->rng_base + TRNG_CTRL_OFFSET, TRNG_CTRL_PRNGSTART_MASK, in xtrng_collect_random_data()
133 ret = xtrng_readblock32(rng->rng_base, (__be32 *)rand_gen_buf, blocks, wait); in xtrng_collect_random_data()
144 ret = xtrng_readblock32(rng->rng_base, (__be32 *)randbuf, 1, wait); in xtrng_collect_random_data()
158 xtrng_readwrite32(rng->rng_base + TRNG_CTRL_OFFSET, in xtrng_collect_random_data()
176 static void xtrng_enable_entropy(struct xilinx_rng *rng) in xtrng_enable_entropy() argument
178 iowrite32(TRNG_OSC_EN_VAL_MASK, rng->rng_base + TRNG_OSC_EN_OFFSET); in xtrng_enable_entropy()
[all …]
|
| H A 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(&pdev->dev, in octeon_rng_probe()
[all …]
|
| H A 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()
[all …]
|
| H A D | pic32-rng.c | 29 struct hwrng rng; member
39 static int pic32_rng_init(struct hwrng *rng) in pic32_rng_init() argument
41 struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); in pic32_rng_init()
48 static int pic32_rng_read(struct hwrng *rng, void *buf, size_t max, in pic32_rng_read() argument
51 struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); in pic32_rng_read()
69 static void pic32_rng_cleanup(struct hwrng *rng) in pic32_rng_cleanup() argument
71 struct pic32_rng *priv = container_of(rng, struct pic32_rng, rng); in pic32_rng_cleanup()
93 priv->rng.name = pdev->name; in pic32_rng_probe()
94 priv->rng.init = pic32_rng_init; in pic32_rng_probe()
95 priv->rng.read = pic32_rng_read; in pic32_rng_probe()
[all …]
|
| H A D | ingenic-trng.c | 31 struct hwrng rng; member
34 static int ingenic_trng_init(struct hwrng *rng) in ingenic_trng_init() argument
36 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_init()
46 static void ingenic_trng_cleanup(struct hwrng *rng) in ingenic_trng_cleanup() argument
48 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_cleanup()
56 static int ingenic_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in ingenic_trng_read() argument
58 struct ingenic_trng *trng = container_of(rng, struct ingenic_trng, rng); in ingenic_trng_read()
95 trng->rng.name = pdev->name; in ingenic_trng_probe()
96 trng->rng.init = ingenic_trng_init; in ingenic_trng_probe()
97 trng->rng.cleanup = ingenic_trng_cleanup; in ingenic_trng_probe()
[all …]
|
| H A D | iproc-rng200.c | 41 struct hwrng rng; member
45 #define to_rng_priv(rng) container_of(rng, struct iproc_rng200_dev, rng) argument
89 static int iproc_rng200_read(struct hwrng *rng, void *buf, size_t max, in iproc_rng200_read() argument
92 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_read()
150 static int iproc_rng200_init(struct hwrng *rng) in iproc_rng200_init() argument
152 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_init()
159 static void iproc_rng200_cleanup(struct hwrng *rng) in iproc_rng200_cleanup() argument
161 struct iproc_rng200_dev *priv = to_rng_priv(rng); in iproc_rng200_cleanup()
185 priv->rng.name = "iproc-rng200"; in iproc_rng200_probe()
186 priv->rng.read = iproc_rng200_read; in iproc_rng200_probe()
[all …]
|
| H A D | bcm2835-rng.c | 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
118 struct bcm2835_rng_priv *priv = to_rng_priv(rng); in bcm2835_rng_cleanup()
[all …]
|
| H A D | ba431-rng.c | 41 struct hwrng rng; member
114 static int ba431_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in ba431_trng_read() argument
116 struct ba431_trng *ba431 = container_of(rng, struct ba431_trng, rng); in ba431_trng_read()
154 static void ba431_trng_cleanup(struct hwrng *rng) in ba431_trng_cleanup() argument
156 struct ba431_trng *ba431 = container_of(rng, struct ba431_trng, rng); in ba431_trng_cleanup()
162 static int ba431_trng_init(struct hwrng *rng) in ba431_trng_init() argument
164 struct ba431_trng *ba431 = container_of(rng, struct ba431_trng, rng); in ba431_trng_init()
186 ba431->rng.name = pdev->name; in ba431_trng_probe()
187 ba431->rng.init = ba431_trng_init; in ba431_trng_probe()
188 ba431->rng.cleanup = ba431_trng_cleanup; in ba431_trng_probe()
[all …]
|
| H A D | airoha-trng.c | 47 struct hwrng rng; member
75 static int airoha_trng_init(struct hwrng *rng) in airoha_trng_init() argument
77 struct airoha_trng *trng = container_of(rng, struct airoha_trng, rng); in airoha_trng_init()
124 static void airoha_trng_cleanup(struct hwrng *rng) in airoha_trng_cleanup() argument
126 struct airoha_trng *trng = container_of(rng, struct airoha_trng, rng); in airoha_trng_cleanup()
137 static int airoha_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in airoha_trng_read() argument
139 struct airoha_trng *trng = container_of(rng, struct airoha_trng, rng); in airoha_trng_read()
208 trng->rng.name = pdev->name; in airoha_trng_probe()
209 trng->rng.init = airoha_trng_init; in airoha_trng_probe()
210 trng->rng.cleanup = airoha_trng_cleanup; in airoha_trng_probe()
[all …]
|
| H A D | meson-rng.c | 26 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()
|
| H A D | exynos-trng.c | 77 struct hwrng rng; member
81 static int exynos_trng_do_read_reg(struct hwrng *rng, void *data, size_t max, in exynos_trng_do_read_reg() argument
84 struct exynos_trng_dev *trng = (struct exynos_trng_dev *)rng->priv; in exynos_trng_do_read_reg()
99 static int exynos_trng_do_read_smc(struct hwrng *rng, void *data, size_t max, in exynos_trng_do_read_smc() argument
132 static int exynos_trng_init_reg(struct hwrng *rng) in exynos_trng_init_reg() argument
134 struct exynos_trng_dev *trng = (struct exynos_trng_dev *)rng->priv; in exynos_trng_init_reg()
165 static int exynos_trng_init_smc(struct hwrng *rng) in exynos_trng_init_smc() argument
167 struct exynos_trng_dev *trng = (struct exynos_trng_dev *)rng->priv; in exynos_trng_init_smc()
197 trng->rng.name = devm_kstrdup(&pdev->dev, dev_name(&pdev->dev), in exynos_trng_probe()
199 if (!trng->rng.name) in exynos_trng_probe()
[all …]
|
| H A D | imx-rngc.c | 66 struct hwrng rng; member
124 static int imx_rngc_read(struct hwrng *rng, void *data, size_t max, bool wait) in imx_rngc_read() argument
126 struct imx_rngc *rngc = container_of(rng, struct imx_rngc, rng); in imx_rngc_read()
176 static int imx_rngc_init(struct hwrng *rng) in imx_rngc_init() argument
178 struct imx_rngc *rngc = container_of(rng, struct imx_rngc, rng); in imx_rngc_init()
233 static void imx_rngc_cleanup(struct hwrng *rng) in imx_rngc_cleanup() argument
235 struct imx_rngc *rngc = container_of(rng, struct imx_rngc, rng); in imx_rngc_cleanup()
284 rngc->rng.name = pdev->name; in imx_rngc_probe()
285 rngc->rng.init = imx_rngc_init; in imx_rngc_probe()
286 rngc->rng.read = imx_rngc_read; in imx_rngc_probe()
[all …]
|
| H A D | pasemi-rng.c | 32 static int pasemi_rng_data_present(struct hwrng *rng, int wait) in pasemi_rng_data_present() argument
34 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_data_present()
47 static int pasemi_rng_data_read(struct hwrng *rng, u32 *data) in pasemi_rng_data_read() argument
49 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_data_read()
54 static int pasemi_rng_init(struct hwrng *rng) in pasemi_rng_init() argument
56 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_init()
66 static void pasemi_rng_cleanup(struct hwrng *rng) in pasemi_rng_cleanup() argument
68 void __iomem *rng_regs = (void __iomem *)rng->priv; in pasemi_rng_cleanup()
|
| H A D | xiphera-trng.c | 31 struct hwrng rng; member
34 static int xiphera_trng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in xiphera_trng_read() argument
36 struct xiphera_trng *trng = container_of(rng, struct xiphera_trng, rng); in xiphera_trng_read()
113 trng->rng.name = pdev->name; in xiphera_trng_probe()
114 trng->rng.read = xiphera_trng_read; in xiphera_trng_probe()
115 trng->rng.quality = 900; in xiphera_trng_probe()
117 ret = devm_hwrng_register(dev, &trng->rng); in xiphera_trng_probe()
|
| H A D | mpfs-rng.c | 24 struct hwrng rng; member
27 static int mpfs_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in mpfs_rng_read() argument
29 struct mpfs_rng *rng_priv = container_of(rng, struct mpfs_rng, rng); in mpfs_rng_read()
79 rng_priv->rng.read = mpfs_rng_read; in mpfs_rng_probe()
80 rng_priv->rng.name = pdev->name; in mpfs_rng_probe()
82 ret = devm_hwrng_register(&pdev->dev, &rng_priv->rng); in mpfs_rng_probe()
|
| H A D | histb-rng.c | 24 struct hwrng rng; member
59 static int histb_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) in histb_rng_read() argument
61 struct histb_rng_priv *priv = container_of(rng, typeof(*priv), rng); in histb_rng_read()
140 priv->rng.name = pdev->name; in histb_rng_probe()
141 priv->rng.read = histb_rng_read; in histb_rng_probe()
142 ret = devm_hwrng_register(dev, &priv->rng); in histb_rng_probe()
|
| H A D | atmel-rng.c | 38 struct hwrng rng; member
55 static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max, in atmel_trng_read() argument
58 struct atmel_trng *trng = container_of(rng, struct atmel_trng, rng); in atmel_trng_read()
137 trng->rng.name = pdev->name; in atmel_trng_probe()
138 trng->rng.read = atmel_trng_read; in atmel_trng_probe()
151 ret = devm_hwrng_register(&pdev->dev, &trng->rng); in atmel_trng_probe()
|
| H A D | via-rng.c | 87 static int via_rng_data_present(struct hwrng *rng, int wait) in via_rng_data_present() argument
116 rng->priv = *via_rng_datum; in via_rng_data_present()
120 static int via_rng_data_read(struct hwrng *rng, u32 *data) in via_rng_data_read() argument
122 u32 via_rng_datum = (u32)rng->priv; in via_rng_data_read()
129 static int via_rng_init(struct hwrng *rng) in via_rng_init() argument
|
| H A 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()
|
| /linux/arch/powerpc/platforms/powernv/ |
| H A D | rng.c | 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()
100 static __init void rng_init_per_cpu(struct pnv_rng *rng, in rng_init_per_cpu() argument
[all …]
|
| /linux/drivers/crypto/caam/ |
| H A D | caamrng.c | 38 struct hwrng rng; member
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()
188 read_len = rng->read(rng, buf, len, wait); in test_len()
207 static inline void test_mode_once(struct hwrng *rng, bool wait) in test_mode_once() argument
209 test_len(rng, 32, wait); in test_mode_once()
[all …]
|
| /linux/drivers/crypto/amcc/ |
| H A 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_obj(*rng); 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()
[all …]
|
| /linux/drivers/firmware/efi/libstub/ |
| H A D | random.c | 43 efi_rng_protocol_t *rng = NULL; in efi_get_random_bytes() local
45 status = efi_bs_call(locate_protocol, &rng_proto, NULL, (void **)&rng); in efi_get_random_bytes()
49 return efi_call_proto(rng, get_rng, NULL, size, out); in efi_get_random_bytes()
73 efi_rng_protocol_t *rng = NULL; in efi_random_get_seed() local
76 status = efi_bs_call(locate_protocol, &rng_proto, NULL, (void **)&rng); in efi_random_get_seed()
113 if (rng) { in efi_random_get_seed()
114 status = efi_call_proto(rng, get_rng, &rng_algo_raw, in efi_random_get_seed()
122 status = efi_call_proto(rng, get_rng, NULL, in efi_random_get_seed()
|