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doc: random number generation

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Add random number generation APIs to the HTML documentation.
Fix style issues.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2020-06-13 12:29:52 +02:00
parent 9d886fd6a0
commit c7ff87e0ae
5 changed files with 40 additions and 11 deletions
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26
include/rng.h
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@ -10,22 +10,32 @@ struct udevice;
/**
* dm_rng_read() - read a random number seed from the rng device
* @buffer: input buffer to put the read random seed into
* @size: number of bytes of random seed read
*
* Return: 0 if OK, -ve on error
* The function blocks until the requested number of bytes is read.
*
* @dev: random number generator device
* @buffer: input buffer to put the read random seed into
* @size: number of random bytes to read
* Return: 0 if OK, -ve on error
*/
int dm_rng_read(struct udevice *dev, void *buffer, size_t size);
/* struct dm_rng_ops - Operations for the hwrng uclass */
/**
* struct dm_rng_ops - operations for the hwrng uclass
*
* This structures contains the function implemented by a hardware random
* number generation device.
*/
struct dm_rng_ops {
/**
* @read() - read a random number seed
* @read: read a random bytes
*
* @data: input buffer to read the random seed
* @max: total number of bytes to read
* The function blocks until the requested number of bytes is read.
*
* Return: 0 if OK, -ve on error
* @read.dev: random number generator device
* @read.data: input buffer to read the random seed into
* @read.max: number of random bytes to read
* @read.Return: 0 if OK, -ve on error
*/
int (*read)(struct udevice *dev, void *data, size_t max);
};