global: Migrate CONFIG_STACKBASE to CFG

[platform/kernel/u-boot.git] / include / efi.h

diff --git a/include/efi.h b/include/efi.h
index 877a2e5..42f4e58 100644 (file)
--- a/include/efi.h
+++ b/include/efi.h
@@ -37,12 +37,14 @@
 #define EFIAPI __attribute__((ms_abi))
 #define efi_va_list __builtin_ms_va_list
 #define efi_va_start __builtin_ms_va_start
+#define efi_va_copy __builtin_ms_va_copy
 #define efi_va_arg __builtin_va_arg
 #define efi_va_end __builtin_ms_va_end
 #else
 #define EFIAPI asmlinkage
 #define efi_va_list va_list
 #define efi_va_start va_start
+#define efi_va_copy va_copy
 #define efi_va_arg va_arg
 #define efi_va_end va_end
 #endif /* __x86_64__ */
@@ -395,9 +397,9 @@ 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 +409,12 @@ 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 +432,12 @@ 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 +512,14 @@ 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 +528,7 @@ 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 +539,7 @@ 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 +550,7 @@ 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 +587,45 @@ 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 */