#include <linux/proc_fs.h>
#include <linux/rtc.h>
#include <linux/ioport.h>
+#include <linux/pfn.h>
#include <asm/page.h>
#include <asm/system.h>
#define EFI_PAGE_SHIFT 12
-/*
- * For current x86 implementations of EFI, there is
- * additional padding in the mem descriptors. This is not
- * the case in ia64. Need to have this fixed in the f/w.
- */
typedef struct {
u32 type;
u32 pad;
u64 virt_addr;
u64 num_pages;
u64 attribute;
-#if defined (__i386__)
- u64 pad1;
-#endif
} efi_memory_desc_t;
typedef int (*efi_freemem_callback_t) (unsigned long start, unsigned long end, void *arg);
#define EFI_GLOBAL_VARIABLE_GUID \
EFI_GUID( 0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c )
+#define UV_SYSTEM_TABLE_GUID \
+ EFI_GUID( 0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93 )
+
typedef struct {
efi_guid_t guid;
unsigned long table;
} efi_config_table_t;
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
-#define EFI_SYSTEM_TABLE_REVISION ((1 << 16) | 00)
typedef struct {
efi_table_hdr_t hdr;
} efi_system_table_t;
struct efi_memory_map {
- efi_memory_desc_t *phys_map;
- efi_memory_desc_t *map;
+ void *phys_map;
+ void *map;
+ void *map_end;
int nr_map;
unsigned long desc_version;
+ 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 */
+ unsigned long uv_systab; /* UV system table */
efi_get_time_t *get_time;
efi_set_time_t *set_time;
efi_get_wakeup_time_t *get_wakeup_time;
extern void efi_init (void);
extern void *efi_get_pal_addr (void);
extern void efi_map_pal_code (void);
-extern void efi_map_memmap(void);
extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
extern void efi_gettimeofday (struct timespec *ts);
extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */
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 u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size);
extern int __init efi_uart_console_only (void);
extern void efi_initialize_iomem_resources(struct resource *code_resource,
- struct resource *data_resource);
-extern unsigned long __init efi_get_time(void);
-extern int __init efi_set_rtc_mmss(unsigned long nowtime);
+ struct resource *data_resource, struct resource *bss_resource);
+extern unsigned long efi_get_time(void);
+extern int efi_set_rtc_mmss(unsigned long nowtime);
extern struct efi_memory_map memmap;
/**
*/
static inline int efi_range_is_wc(unsigned long start, unsigned long len)
{
- int i;
+ unsigned long i;
for (i = 0; i < len; i += (1UL << EFI_PAGE_SHIFT)) {
unsigned long paddr = __pa(start + i);
u16 length;
} __attribute ((packed));
+static inline void memrange_efi_to_native(u64 *addr, u64 *npages)
+{
+ *npages = PFN_UP(*addr + (*npages<<EFI_PAGE_SHIFT)) - PFN_DOWN(*addr);
+ *addr &= PAGE_MASK;
+}
+
#endif /* _LINUX_EFI_H */