diff options
Diffstat (limited to 'include/efi.h')
| -rw-r--r-- | include/efi.h | 64 |
1 files changed, 56 insertions, 8 deletions
diff --git a/include/efi.h b/include/efi.h index 877a2e5..6159f34 100644 --- a/include/efi.h +++ b/include/efi.h @@ -395,9 +395,9 @@ struct efi_entry_systable { }; static inline struct efi_mem_desc *efi_get_next_mem_desc( - struct efi_entry_memmap *map, struct efi_mem_desc *desc) + struct efi_mem_desc *desc, int desc_size) { - return (struct efi_mem_desc *)((ulong)desc + map->desc_size); + return (struct efi_mem_desc *)((ulong)desc + desc_size); } /** @@ -407,6 +407,12 @@ static inline struct efi_mem_desc *efi_get_next_mem_desc( * @sys_table: Pointer to system table * @boot: Pointer to boot-services table * @run: Pointer to runtime-services table + * @memmap_key: Key returned from get_memory_map() + * @memmap_desc: List of memory-map records + * @memmap_alloc: Amount of memory allocated for memory map list + * @memmap_size Size of memory-map list in bytes + * @memmap_desc_size: Size of an individual memory-map record, in bytes + * @memmap_version: Memory-map version * * @use_pool_for_malloc: true if all allocation should go through the EFI 'pool' * methods allocate_pool() and free_pool(); false to use 'pages' methods @@ -424,6 +430,12 @@ struct efi_priv { struct efi_system_table *sys_table; struct efi_boot_services *boot; struct efi_runtime_services *run; + efi_uintn_t memmap_key; + struct efi_mem_desc *memmap_desc; + efi_uintn_t memmap_alloc; + efi_uintn_t memmap_size; + efi_uintn_t memmap_desc_size; + u32 memmap_version; /* app: */ bool use_pool_for_malloc; @@ -498,14 +510,14 @@ void efi_set_priv(struct efi_priv *priv); /** * efi_get_sys_table() - Get access to the main EFI system table * - * @return pointer to EFI system table + * Returns: pointer to EFI system table */ struct efi_system_table *efi_get_sys_table(void); /** * efi_get_boot() - Get access to the EFI boot services table * - * @return pointer to EFI boot services table + * Returns: pointer to EFI boot services table */ struct efi_boot_services *efi_get_boot(void); @@ -514,7 +526,7 @@ struct efi_boot_services *efi_get_boot(void); * * This is used when U-Boot is built as an EFI application. * - * @return the base of RAM as known to U-Boot + * Returns: the base of RAM as known to U-Boot */ unsigned long efi_get_ram_base(void); @@ -525,6 +537,7 @@ unsigned long efi_get_ram_base(void); * @banner: Banner to display when starting * @image: The image handle passed to efi_main() * @sys_table: The EFI system table pointer passed to efi_main() + * Return: 0 on succcess, EFI error code on failure */ int efi_init(struct efi_priv *priv, const char *banner, efi_handle_t image, struct efi_system_table *sys_table); @@ -535,7 +548,7 @@ int efi_init(struct efi_priv *priv, const char *banner, efi_handle_t image, * @priv: Pointer to private EFI structure * @size: Number of bytes to allocate * @retp: Return EFI status result - * @return pointer to memory allocated, or NULL on error + * Returns: pointer to memory allocated, or NULL on error */ void *efi_malloc(struct efi_priv *priv, int size, efi_status_t *retp); @@ -572,10 +585,45 @@ void efi_putc(struct efi_priv *priv, const char ch); * * @type: Entry type to search for * @datap: Returns pointer to entry data - * @sizep: Returns pointer to entry size - * @return 0 if OK, -ENODATA if there is no table, -ENOENT if there is no entry + * @sizep: Returns entry size + * Return: 0 if OK, -ENODATA if there is no table, -ENOENT if there is no entry * of the requested type, -EPROTONOSUPPORT if the table has the wrong version */ int efi_info_get(enum efi_entry_t type, void **datap, int *sizep); +/** + * efi_store_memory_map() - Collect the memory-map info from EFI + * + * Collect the memory info and store it for later use, e.g. in calling + * exit_boot_services() + * + * @priv: Pointer to private EFI structure + * Returns: 0 if OK, non-zero on error + */ +int efi_store_memory_map(struct efi_priv *priv); + +/** + * efi_call_exit_boot_services() - Handle the exit-boot-service procedure + * + * Tell EFI we don't want their boot services anymore + * + * Return: 0 if OK, non-zero on error + */ +int efi_call_exit_boot_services(void); + +/** + * efi_get_mmap() - Get the memory map from EFI + * + * This is used in the app. The caller must free *@descp when done + * + * @descp: Returns allocated pointer to EFI memory map table + * @sizep: Returns size of table in bytes + * @keyp: Returns memory-map key + * @desc_sizep: Returns size of each @desc_base record + * @versionp: Returns version number of memory map + * Returns: 0 on success, -ve on error + */ +int efi_get_mmap(struct efi_mem_desc **descp, int *sizep, uint *keyp, + int *desc_sizep, uint *versionp); + #endif /* _LINUX_EFI_H */ |