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| author | Ahmad Fatoum <ahmad@a3f.at> | 2019-09-09 11:31:30 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-09-09 15:23:42 +0200 |
| commit | 9feb86e11d491981c0848a8923d0407d2f9abf0d (patch) | |
| tree | bea1e5885737372d4b036ec7d771c9cb771960d9 /arch/sandbox/mach-sandbox/include/mach/linux.h | |
| parent | c7d68aad12e739be7793b37ff4e02479883d7707 (diff) | |
| download | barebox-9feb86e11d491981c0848a8923d0407d2f9abf0d.tar.gz barebox-9feb86e11d491981c0848a8923d0407d2f9abf0d.tar.xz | |
hwrng: add sandbox driver interface to host /dev/random
Linux as well as other operating systems can provide /dev/random and
/dev/urandom device to service userspace need for randomness.
Add a driver to use /dev/random for blocking and /dev/urandom for
non-blocking barebox random numbers.
Signed-off-by: Ahmad Fatoum <ahmad@a3f.at>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/sandbox/mach-sandbox/include/mach/linux.h')
| -rw-r--r-- | arch/sandbox/mach-sandbox/include/mach/linux.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/sandbox/mach-sandbox/include/mach/linux.h b/arch/sandbox/mach-sandbox/include/mach/linux.h index c344285473..1e64d41c6a 100644 --- a/arch/sandbox/mach-sandbox/include/mach/linux.h +++ b/arch/sandbox/mach-sandbox/include/mach/linux.h @@ -51,4 +51,11 @@ void barebox_libftdi1_gpio_set_value(struct ft2232_bitbang *ftbb, int barebox_libftdi1_update(struct ft2232_bitbang *ftbb); void barebox_libftdi1_close(void); +typedef struct { + int randomfd; + int urandomfd; +} devrandom_t; +devrandom_t *devrandom_init(void); +int devrandom_read(devrandom_t *devrandom, void *buf, size_t len, int wait); + #endif /* __ASM_ARCH_LINUX_H */ |