logo

oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

random.h (1897B)

    

  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2. /*
  3.  * include/linux/random.h
  4.  *
  5.  * Include file for the random number generator.
  6.  */
  8. #ifndef _LINUX_RANDOM_H
  9. #define _LINUX_RANDOM_H
  11. #include <linux/types.h>
  12. #include <linux/ioctl.h>
  13. #include <linux/irqnr.h>
  15. /* ioctl()'s for the random number generator */
  17. /* Get the entropy count. */
  18. #define RNDGETENTCNT	_IOR( 'R', 0x00, int )
  20. /* Add to (or subtract from) the entropy count.  (Superuser only.) */
  21. #define RNDADDTOENTCNT	_IOW( 'R', 0x01, int )
  23. /* Get the contents of the entropy pool.  (Superuser only.) (Removed in 2.6.9-rc2.) */
  24. #define RNDGETPOOL	_IOR( 'R', 0x02, int [2] )
  26. /* 
  27.  * Write bytes into the entropy pool and add to the entropy count.
  28.  * (Superuser only.)
  29.  */
  30. #define RNDADDENTROPY	_IOW( 'R', 0x03, int [2] )
  32. /* Clear entropy count to 0.  (Superuser only.) */
  33. #define RNDZAPENTCNT	_IO( 'R', 0x04 )
  35. /* Clear the entropy pool and associated counters.  (Superuser only.) */
  36. #define RNDCLEARPOOL	_IO( 'R', 0x06 )
  38. /* Reseed CRNG.  (Superuser only.) */
  39. #define RNDRESEEDCRNG	_IO( 'R', 0x07 )
  41. struct rand_pool_info {
  42. 	int	entropy_count;
  43. 	int	buf_size;
  44. 	__u32	buf[];
  45. };
  47. /*
  48.  * Flags for getrandom(2)
  49.  *
  50.  * GRND_NONBLOCK	Don't block and return EAGAIN instead
  51.  * GRND_RANDOM		No effect
  52.  * GRND_INSECURE	Return non-cryptographic random bytes
  53.  */
  54. #define GRND_NONBLOCK	0x0001
  55. #define GRND_RANDOM	0x0002
  56. #define GRND_INSECURE	0x0004
  58. /**
  59.  * struct vgetrandom_opaque_params - arguments for allocating memory for vgetrandom
  60.  *
  61.  * @size_per_opaque_state:	Size of each state that is to be passed to vgetrandom().
  62.  * @mmap_prot:			Value of the prot argument in mmap(2).
  63.  * @mmap_flags:			Value of the flags argument in mmap(2).
  64.  * @reserved:			Reserved for future use.
  65.  */
  66. struct vgetrandom_opaque_params {
  67. 	__u32 size_of_opaque_state;
  68. 	__u32 mmap_prot;
  69. 	__u32 mmap_flags;
  70. 	__u32 reserved[13];
  71. };
  73. #endif /* _LINUX_RANDOM_H */