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Documentation: add UUID/GUID to kernel-api 

Update kernel-doc notation in lib/uuid.c and then add UUID/GUID
function interfaces to kernel-api.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
[jc: tweaked the uuid_is_valid() kerneldoc]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
hifive-unleashed-5.1
Randy Dunlap 2017-11-29 12:32:42 -08:00 committed by Jonathan Corbet
parent 3abaa5ccd9
commit d063623b6a
2 changed files with 23 additions and 17 deletions
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6
Documentation/core-api/kernel-api.rst
View File

@ -148,6 +148,12 @@ Sorting
.. kernel-doc:: lib/list_sort.c
:export:
UUID/GUID
---------
.. kernel-doc:: lib/uuid.c
:export:
Memory Management in Linux
==========================

34
lib/uuid.c
View File

@ -29,15 +29,14 @@ EXPORT_SYMBOL(uuid_null);
const u8 guid_index[16] = {3,2,1,0,5,4,7,6,8,9,10,11,12,13,14,15};
const u8 uuid_index[16] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
/***************************************************************
/**
* generate_random_uuid - generate a random UUID
* @uuid: where to put the generated UUID
*
* Random UUID interface
*
* Used here for a Boot ID, but can be useful for other kernel
* drivers.
***************************************************************/
/*
* Generate random UUID
* Used to create a Boot ID or a filesystem UUID/GUID, but can be
* useful for other kernel drivers.
*/
void generate_random_uuid(unsigned char uuid[16])
{
@ -73,16 +72,17 @@ void uuid_gen(uuid_t *bu)
EXPORT_SYMBOL_GPL(uuid_gen);
/**
* uuid_is_valid - checks if UUID string valid
* @uuid: UUID string to check
*
* Description:
* It checks if the UUID string is following the format:
* xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
* where x is a hex digit.
*
* Return: true if input is valid UUID string.
*/
* uuid_is_valid - checks if a UUID string is valid
* @uuid: UUID string to check
*
* Description:
* It checks if the UUID string is following the format:
* xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
*
* where x is a hex digit.
*
* Return: true if input is valid UUID string.
*/
bool uuid_is_valid(const char *uuid)
{
unsigned int i;