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-rw-r--r--include/linux/efi.h20
1 files changed, 12 insertions, 8 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h
index c7c5dd31618..e203613d3ae 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -240,19 +240,21 @@ struct efi_memory_map {
unsigned long desc_size;
};
+#define EFI_INVALID_TABLE_ADDR (~0UL)
+
/*
* All runtime access to EFI goes through this structure:
*/
extern struct efi {
efi_system_table_t *systab; /* EFI system table */
- void *mps; /* MPS table */
- void *acpi; /* ACPI table (IA64 ext 0.71) */
- void *acpi20; /* ACPI table (ACPI 2.0) */
- void *smbios; /* SM BIOS table */
- void *sal_systab; /* SAL system table */
- void *boot_info; /* boot info table */
- void *hcdp; /* HCDP table */
- void *uga; /* UGA table */
+ unsigned long mps; /* MPS table */
+ unsigned long acpi; /* ACPI table (IA64 ext 0.71) */
+ unsigned long acpi20; /* ACPI table (ACPI 2.0) */
+ unsigned long smbios; /* SM BIOS table */
+ unsigned long sal_systab; /* SAL system table */
+ unsigned long boot_info; /* boot info table */
+ unsigned long hcdp; /* HCDP table */
+ unsigned long uga; /* UGA table */
efi_get_time_t *get_time;
efi_set_time_t *set_time;
efi_get_wakeup_time_t *get_wakeup_time;
@@ -292,6 +294,8 @@ extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if pos
extern u64 efi_get_iobase (void);
extern u32 efi_mem_type (unsigned long phys_addr);
extern u64 efi_mem_attributes (unsigned long phys_addr);
+extern int efi_mem_attribute_range (unsigned long phys_addr, unsigned long size,
+ u64 attr);
extern int __init efi_uart_console_only (void);
extern void efi_initialize_iomem_resources(struct resource *code_resource,
struct resource *data_resource);