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lmb: description lmb_is_reserved, lmb_is_reserved_flags

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* provide a description for function lmb_is_reserved()
* improve the description of funciton lmb_is_reserved_flags()

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2023-08-12 19:09:32 +02:00
parent f26c54ddde
commit 78246baa8d
1 changed files with 19 additions and 4 deletions
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23
include/lmb.h
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@ -116,16 +116,31 @@ phys_addr_t __lmb_alloc_base(struct lmb *lmb, phys_size_t size, ulong align,
phys_addr_t max_addr);
phys_addr_t lmb_alloc_addr(struct lmb *lmb, phys_addr_t base, phys_size_t size);
phys_size_t lmb_get_free_size(struct lmb *lmb, phys_addr_t addr);
int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr);
/**
* lmb_is_reserved_flags - test if tha address is in reserved region with a bitfield flag
* lmb_is_reserved() - test if address is in reserved region
*
* The function checks if a reserved region comprising @addr exists.
*
* @lmb: the logical memory block struct
* @addr: address to be tested
* @flags: flags bitfied to be tested
* Return: if not reserved or reserved without the requested flag else 1
* Return: 1 if reservation exists, 0 otherwise
*/
int lmb_is_reserved(struct lmb *lmb, phys_addr_t addr);
/**
* lmb_is_reserved_flags() - test if address is in reserved region with flag bits set
*
* The function checks if a reserved region comprising @addr exists which has
* all flag bits set which are set in @flags.
*
* @lmb: the logical memory block struct
* @addr: address to be tested
* @flags: bitmap with bits to be tested
* Return: 1 if matching reservation exists, 0 otherwise
*/
int lmb_is_reserved_flags(struct lmb *lmb, phys_addr_t addr, int flags);
long lmb_free(struct lmb *lmb, phys_addr_t base, phys_size_t size);
void lmb_dump_all(struct lmb *lmb);