diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/lmb.h | 58 |
1 files changed, 22 insertions, 36 deletions
diff --git a/include/lmb.h b/include/lmb.h index 03d5fac6aa7..d9d7435a431 100644 --- a/include/lmb.h +++ b/include/lmb.h @@ -19,18 +19,17 @@ #define LMB_ALIST_INITIAL_SIZE 4 /** - * enum lmb_flags - Definition of memory region attributes - * @LMB_NONE: No special request - * @LMB_NOMAP: Don't add to MMU configuration - * @LMB_NOOVERWRITE: The memory region cannot be overwritten/re-reserved - * @LMB_NONOTIFY: Do not notify other modules of changes to this memory region + * DOC: Memory region attribute flags. + * + * %LMB_NONE: No special request + * %LMB_NOMAP: Don't add to MMU configuration + * %LMB_NOOVERWRITE: The memory region cannot be overwritten/re-reserved + * %LMB_NONOTIFY: Do not notify other modules of changes to this memory region */ -enum lmb_flags { - LMB_NONE = 0, - LMB_NOMAP = BIT(1), - LMB_NOOVERWRITE = BIT(2), - LMB_NONOTIFY = BIT(3), -}; +#define LMB_NONE 0 +#define LMB_NOMAP BIT(0) +#define LMB_NOOVERWRITE BIT(1) +#define LMB_NONOTIFY BIT(2) /** * struct lmb_region - Description of one region @@ -41,17 +40,17 @@ enum lmb_flags { struct lmb_region { phys_addr_t base; phys_size_t size; - enum lmb_flags flags; + u32 flags; }; /** * struct lmb - The LMB structure - * @free_mem: List of free memory regions + * @available_mem: List of memory available to LMB * @used_mem: List of used/reserved memory regions * @test: Is structure being used for LMB tests */ struct lmb { - struct alist free_mem; + struct alist available_mem; struct alist used_mem; bool test; }; @@ -81,16 +80,7 @@ void lmb_add_memory(void); long lmb_add(phys_addr_t base, phys_size_t size); /** - * lmb_reserve() - Reserve a memory region (with no special flags) - * @base: Base address of the memory region - * @size: Size of the memory region - * - * Return: 0 on success, negative error code on failure. - */ -long lmb_reserve(phys_addr_t base, phys_size_t size); - -/** - * lmb_reserve_flags() - Reserve one region with a specific flags bitfield + * lmb_reserve() - Reserve one region with a specific flags bitfield * @base: Base address of the memory region * @size: Size of the memory region * @flags: Flags for the memory region @@ -100,16 +90,13 @@ long lmb_reserve(phys_addr_t base, phys_size_t size); * * %-EEXIST - The region is already added, and flags != LMB_NONE * * %-1 - Failure */ -long lmb_reserve_flags(phys_addr_t base, phys_size_t size, - enum lmb_flags flags); +long lmb_reserve(phys_addr_t base, phys_size_t size, u32 flags); phys_addr_t lmb_alloc(phys_size_t size, ulong align); -phys_addr_t lmb_alloc_base(phys_size_t size, ulong align, phys_addr_t max_addr); -phys_addr_t lmb_alloc_addr(phys_addr_t base, phys_size_t size); phys_size_t lmb_get_free_size(phys_addr_t addr); /** - * lmb_alloc_base_flags() - Allocate specified memory region with specified + * lmb_alloc_base() - Allocate specified memory region with specified * attributes * @size: Size of the region requested * @align: Alignment of the memory region requested @@ -122,12 +109,12 @@ phys_size_t lmb_get_free_size(phys_addr_t addr); * * Return: Base address on success, 0 on error. */ -phys_addr_t lmb_alloc_base_flags(phys_size_t size, ulong align, - phys_addr_t max_addr, uint flags); +phys_addr_t lmb_alloc_base(phys_size_t size, ulong align, phys_addr_t max_addr, + uint flags); /** - * lmb_alloc_addr_flags() - Allocate specified memory address with specified - * attributes + * lmb_alloc_addr() - Allocate specified memory address with specified attributes + * * @base: Base Address requested * @size: Size of the region requested * @flags: Memory region attributes to be set @@ -138,8 +125,7 @@ phys_addr_t lmb_alloc_base_flags(phys_size_t size, ulong align, * * Return: Base address on success, 0 on error. */ -phys_addr_t lmb_alloc_addr_flags(phys_addr_t base, phys_size_t size, - uint flags); +phys_addr_t lmb_alloc_addr(phys_addr_t base, phys_size_t size, u32 flags); /** * lmb_is_reserved_flags() - Test if address is in reserved region with flag @@ -177,7 +163,7 @@ void lmb_pop(struct lmb *store); static inline int lmb_read_check(phys_addr_t addr, phys_size_t len) { - return lmb_alloc_addr(addr, len) == addr ? 0 : -1; + return lmb_alloc_addr(addr, len, LMB_NONE) == addr ? 0 : -1; } /** |