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| author | Patrick Delaunay <patrick.delaunay@foss.st.com> | 2021-05-07 15:50:30 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-06-07 17:48:40 +0300 |
| commit | e359a4a5c1f01add83b8f39f5da0c61ce51e918a (patch) | |
| tree | 90fcf2541a1902a7a3be3ec425ffbeb517c8f9b9 /include/lmb.h | |
| parent | 59c0ea5df33fc4d9b62226d29e3b5c61d639303f (diff) | |
| download | u-boot-e359a4a5c1f01add83b8f39f5da0c61ce51e918a.tar.xz | |
lmb: add lmb_is_reserved_flags
Add a new function lmb_is_reserved_flags to check if
an address is reserved with a specific flags.
This function can be used to check if an address was
reserved with no-map flags with:
lmb_is_reserved_flags(lmb, addr, LMB_NOMAP);
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Diffstat (limited to 'include/lmb.h')
| -rw-r--r-- | include/lmb.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/lmb.h b/include/lmb.h index e900b3dd65..3c4afdf9f0 100644 --- a/include/lmb.h +++ b/include/lmb.h @@ -100,6 +100,15 @@ extern phys_addr_t lmb_alloc_addr(struct lmb *lmb, phys_addr_t base, phys_size_t size); extern phys_size_t lmb_get_free_size(struct lmb *lmb, phys_addr_t addr); extern 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 the logical memory block struct + * @addr address to be tested + * @flags flags bitfied to be tested + * @return 0 if not reserved or reserved without the requested flag else 1 + */ +int lmb_is_reserved_flags(struct lmb *lmb, phys_addr_t addr, int flags); extern long lmb_free(struct lmb *lmb, phys_addr_t base, phys_size_t size); extern void lmb_dump_all(struct lmb *lmb); |