| /openbmc/linux/include/linux/ |
| H A D | hw_random.h | 21 * struct hwrng - Hardware Random Number Generator driver
39 struct hwrng { struct
41 int (*init)(struct hwrng *rng); argument
42 void (*cleanup)(struct hwrng *rng); argument
43 int (*data_present)(struct hwrng *rng, int wait); argument
44 int (*data_read)(struct hwrng *rng, u32 *data); argument
45 int (*read)(struct hwrng *rng, void *data, size_t max, bool wait); argument
59 extern int hwrng_register(struct hwrng *rng); argument
60 extern int devm_hwrng_register(struct device *dev, struct hwrng *rng);
62 extern void hwrng_unregister(struct hwrng *rng);
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| /openbmc/linux/drivers/char/hw_random/ |
| H A D | core.c | 2 * hw_random/core.c: HWRNG core API
33 static struct hwrng *current_rng;
50 "current hwrng entropy estimation per 1024 bits of input -- obsolete, use rng_quality instead");
53 "default maximum entropy content of hwrng per 1024 bits of input");
56 static int hwrng_init(struct hwrng *rng);
59 static inline int rng_get_data(struct hwrng *rng, u8 *buffer, size_t size,
67 static void add_early_randomness(struct hwrng *rng) in add_early_randomness()
82 struct hwrng *rng = container_of(kref, struct hwrng, ref); in cleanup_rng()
90 static int set_current_rng(struct hwrng *rng) in set_current_rng()
103 /* if necessary, start hwrng thread */ in set_current_rng()
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| H A D | virtio-rng.c | 20 struct hwrng hwrng; member
78 static int virtio_read(struct hwrng *rng, void *buf, size_t size, bool wait) in virtio_read()
122 static void virtio_cleanup(struct hwrng *rng) in virtio_cleanup()
146 vi->hwrng = (struct hwrng) { in probe_common()
184 hwrng_unregister(&vi->hwrng); in remove_common()
206 err = hwrng_register(&vi->hwrng); in virtrng_scan()
232 err = hwrng_register(&vi->hwrng); in virtrng_restore()
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| H A D | mpfs-rng.c | 24 struct hwrng rng;
27 static int mpfs_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in mpfs_rng_read()
77 "Failed to register system controller hwrng sub device\n"); in mpfs_rng_probe()
86 return dev_err_probe(&pdev->dev, ret, "Failed to register MPFS hwrng\n"); in mpfs_rng_probe()
88 dev_info(&pdev->dev, "Registered MPFS hwrng\n"); in mpfs_rng_probe()
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| H A D | bcm2835-rng.c | 31 struct hwrng rng;
38 static inline struct bcm2835_rng_priv *to_rng_priv(struct hwrng *rng) in to_rng_priv()
63 static int bcm2835_rng_read(struct hwrng *rng, void *buf, size_t max, in bcm2835_rng_read()
86 static int bcm2835_rng_init(struct hwrng *rng) in bcm2835_rng_init()
116 static void bcm2835_rng_cleanup(struct hwrng *rng) in bcm2835_rng_cleanup()
189 dev_err(dev, "hwrng registration failed\n"); in bcm2835_rng_probe()
191 dev_info(dev, "hwrng registered\n"); in bcm2835_rng_probe()
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| H A D | pasemi-rng.c | 33 static int pasemi_rng_data_present(struct hwrng *rng, int wait) in pasemi_rng_data_present()
48 static int pasemi_rng_data_read(struct hwrng *rng, u32 *data) in pasemi_rng_data_read()
55 static int pasemi_rng_init(struct hwrng *rng) in pasemi_rng_init()
67 static void pasemi_rng_cleanup(struct hwrng *rng) in pasemi_rng_cleanup()
77 static struct hwrng pasemi_rng = {
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| H A D | octeon-rng.c | 23 struct hwrng ops;
28 static int octeon_rng_init(struct hwrng *rng) in octeon_rng_init()
40 static void octeon_rng_cleanup(struct hwrng *rng) in octeon_rng_cleanup()
50 static int octeon_rng_data_read(struct hwrng *rng, u32 *data) in octeon_rng_data_read()
64 struct hwrng ops = { in octeon_rng_probe()
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| H A D | hisi-rng.c | 31 struct hwrng rng;
34 static int hisi_rng_init(struct hwrng *rng) in hisi_rng_init()
57 static void hisi_rng_cleanup(struct hwrng *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()
95 dev_err(&pdev->dev, "failed to register hwrng\n"); in hisi_rng_probe()
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| H A D | powernv-rng.c | 16 static int powernv_rng_read(struct hwrng *rng, void *data, size_t max, bool wait) in powernv_rng_read()
32 static struct hwrng powernv_hwrng = {
50 pr_info("Registered powernv hwrng.\n"); in powernv_rng_probe()
71 MODULE_DESCRIPTION("Bare metal HWRNG driver for POWER7+ and above");
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| H A D | cn10k-rng.c | 32 struct hwrng ops;
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()
137 static int cn10k_rng_read(struct hwrng *hwrng, void *data, in cn10k_rng_read() argument
140 struct cn10k_rng *rng = (struct cn10k_rng *)hwrng->priv; in cn10k_rng_read()
207 return dev_err_probe(&pdev->dev, err, "Could not register hwrng device.\n"); in cn10k_rng_probe()
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| H A D | ingenic-trng.c | 32 struct hwrng rng;
35 static int ingenic_trng_init(struct hwrng *rng) in ingenic_trng_init()
47 static void ingenic_trng_cleanup(struct hwrng *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()
103 return dev_err_probe(&pdev->dev, ret, "Failed to register hwrng\n"); in ingenic_trng_probe()
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| H A D | iproc-rng200.c | 42 struct hwrng rng;
90 static int iproc_rng200_read(struct hwrng *rng, void *buf, size_t max, in iproc_rng200_read()
151 static int iproc_rng200_init(struct hwrng *rng) in iproc_rng200_init()
160 static void iproc_rng200_cleanup(struct hwrng *rng) in iproc_rng200_cleanup()
194 dev_err(dev, "hwrng registration failed\n"); in iproc_rng200_probe()
198 dev_info(dev, "hwrng registered\n"); in iproc_rng200_probe()
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| H A D | ingenic-rng.c | 36 struct hwrng rng;
39 static int ingenic_rng_init(struct hwrng *rng) in ingenic_rng_init()
48 static void ingenic_rng_cleanup(struct hwrng *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()
107 dev_err(&pdev->dev, "Failed to register hwrng\n"); in ingenic_rng_probe()
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| H A D | pic32-rng.c | 30 struct hwrng rng;
40 static int pic32_rng_init(struct hwrng *rng) in pic32_rng_init()
49 static int pic32_rng_read(struct hwrng *rng, void *buf, size_t max, in pic32_rng_read()
70 static void pic32_rng_cleanup(struct hwrng *rng) in pic32_rng_cleanup()
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| H A D | mtk-rng.c | 38 struct hwrng rng;
41 static int mtk_rng_init(struct hwrng *rng) in mtk_rng_init()
58 static void mtk_rng_cleanup(struct hwrng *rng) in mtk_rng_cleanup()
70 static bool mtk_rng_wait_ready(struct hwrng *rng, bool wait) 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()
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| H A D | cavium-rng-vf.c | 30 struct hwrng ops;
95 dev_err(&rng->pdev->dev, "HWRNG: Startup health test failed\n"); in check_rng_health()
133 dev_err(&rng->pdev->dev, "HWRNG failure detected\n"); in check_rng_health()
146 static int cavium_rng_read(struct hwrng *rng, void *dat, size_t max, bool wait) in cavium_rng_read()
202 /* Map Cavium RNG to an HWRNG object */
238 dev_err(&pdev->dev, "Error registering device as HWRNG.\n"); in cavium_rng_probe_vf()
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| H A D | optee-rng.c | 67 struct hwrng optee_rng;
115 static int optee_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in optee_rng_read()
143 static int optee_rng_init(struct hwrng *rng) in optee_rng_init()
160 static void optee_rng_cleanup(struct hwrng *rng) in optee_rng_cleanup()
228 /* Open session with hwrng Trusted App */ in optee_rng_probe()
248 dev_err(dev, "hwrng registration failed (%d)\n", err); in optee_rng_probe()
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| H A D | ks-sa-rng.c | 85 struct hwrng rng;
113 static int ks_sa_rng_init(struct hwrng *rng) in ks_sa_rng_init()
154 static void ks_sa_rng_cleanup(struct hwrng *rng) in ks_sa_rng_cleanup()
165 static int ks_sa_rng_data_read(struct hwrng *rng, u32 *data) in ks_sa_rng_data_read()
180 static int ks_sa_rng_data_present(struct hwrng *rng, int wait) in ks_sa_rng_data_present()
221 ks_sa_rng->rng = (struct hwrng) { in ks_sa_rng_probe()
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| H A D | amd-rng.c | 34 #define DRV_NAME "AMD768-HWRNG"
62 static int amd_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) in amd_rng_read()
95 static int amd_rng_init(struct hwrng *rng) in amd_rng_init()
111 static void amd_rng_cleanup(struct hwrng *rng) in amd_rng_cleanup()
121 static struct hwrng amd_rng = {
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| /openbmc/linux/drivers/crypto/ |
| H A D | atmel-sha204a.c | 25 struct hwrng *rng = areq; in atmel_sha204a_rng_done()
36 static int atmel_sha204a_rng_read_nonblocking(struct hwrng *rng, void *data, in atmel_sha204a_rng_read_nonblocking()
42 i2c_priv = container_of(rng, struct atmel_i2c_client_priv, hwrng); 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()
80 i2c_priv = container_of(rng, struct atmel_i2c_client_priv, hwrng); in atmel_sha204a_rng_read()
105 memset(&i2c_priv->hwrng, 0, sizeof(i2c_priv->hwrng)); in atmel_sha204a_probe()
107 i2c_priv->hwrng.name = dev_name(&client->dev); in atmel_sha204a_probe()
108 i2c_priv->hwrng.read = atmel_sha204a_rng_read; in atmel_sha204a_probe()
110 ret = devm_hwrng_register(&client->dev, &i2c_priv->hwrng); in atmel_sha204a_probe()
126 kfree((void *)i2c_priv->hwrng.priv); in atmel_sha204a_remove()
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| /openbmc/linux/arch/um/drivers/ |
| H A D | random.c | 31 static struct hwrng hwrng; variable
34 static int rng_dev_read(struct hwrng *rng, void *buf, size_t max, bool block) in rng_dev_read()
83 hwrng.name = RNG_MODULE_NAME; in rng_init()
84 hwrng.read = rng_dev_read; in rng_init()
86 err = hwrng_register(&hwrng); in rng_init()
112 hwrng_unregister(&hwrng); in rng_cleanup()
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| /openbmc/linux/drivers/usb/misc/ |
| H A D | chaoskey.c | 27 static int chaoskey_rng_read(struct hwrng *rng, void *data,
89 struct hwrng hwrng; /* Embedded struct for hwrng */ member
90 int hwrng_registered; /* registered with hwrng API */
172 * device needs a unique name for the hwrng code in chaoskey_probe()
203 dev->hwrng.name = dev->name ? dev->name : chaoskey_driver.name; in chaoskey_probe()
204 dev->hwrng.read = chaoskey_rng_read; in chaoskey_probe()
206 dev->hwrng_registered = (hwrng_register(&dev->hwrng) == 0); in chaoskey_probe()
208 usb_err(interface, "Unable to register with hwrng"); in chaoskey_probe()
233 hwrng_unregister(&dev->hwrng); in chaoskey_disconnect()
439 /* Grab the rng_lock briefly to ensure that the hwrng interface in chaoskey_read()
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| /openbmc/linux/drivers/crypto/caam/ |
| H A D | caamrng.c | 38 struct hwrng rng;
52 static struct caam_rng_ctx *to_caam_rng_ctx(struct hwrng *r) in to_caam_rng_ctx()
147 static int caam_read(struct hwrng *rng, void *dst, size_t max, bool wait) in caam_read()
166 static void caam_cleanup(struct hwrng *rng) in caam_cleanup()
176 static inline void test_len(struct hwrng *rng, size_t len, bool wait) in test_len()
205 static inline void test_mode_once(struct hwrng *rng, bool wait) in test_mode_once()
212 static void self_test(struct hwrng *rng) in self_test()
219 static int caam_init(struct hwrng *rng) in caam_init()
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| /openbmc/linux/drivers/hid/ |
| H A D | hid-u2fzero.c | 83 struct hwrng hwrng; /* Embedded struct for hwrng */ member
197 static int u2fzero_rng_read(struct hwrng *rng, void *data, in u2fzero_rng_read()
201 struct u2fzero_device, hwrng); in u2fzero_rng_read()
262 dev->hwrng.name = dev->rng_name; in u2fzero_init_hwrng()
263 dev->hwrng.read = u2fzero_rng_read; in u2fzero_init_hwrng()
265 return devm_hwrng_register(&dev->hdev->dev, &dev->hwrng); in u2fzero_init_hwrng()
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| /openbmc/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()
45 static int ppc4xx_trng_data_read(struct hwrng *rng, u32 *data) in ppc4xx_trng_data_read()
75 struct hwrng *rng = NULL; in ppc4xx_trng_probe()
104 dev_err(core_dev->device, "failed to register hwrng (%d).\n", in ppc4xx_trng_probe()
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