include/asm-ia64/efi.h - pub/scm/linux/kernel/git/joro/linux - Git at Google

 #ifndef _ASM_IA64_EFI_H
 #define _ASM_IA64_EFI_H

 /*
  * Extensible Firmware Interface
  * Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999
  *
  * Copyright (C) 1999 VA Linux Systems
  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
  * Copyright (C) 1999 Hewlett-Packard Co.
  * Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
  * Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com>
  */
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/time.h>
 #include <linux/types.h>
 #include <linux/proc_fs.h>

 #include <asm/page.h>
 #include <asm/system.h>

 #define EFI_SUCCESS		0
 #define EFI_LOAD_ERROR          (1L | (1L << 63))
 #define EFI_INVALID_PARAMETER	(2L | (1L << 63))
 #define EFI_UNSUPPORTED		(3L | (1L << 63))
 #define EFI_BAD_BUFFER_SIZE     (4L | (1L << 63))
 #define EFI_BUFFER_TOO_SMALL	(5L | (1L << 63))
 #define EFI_NOT_FOUND          (14L | (1L << 63))

 typedef unsigned long efi_status_t;
 typedef u8 efi_bool_t;
 typedef u16 efi_char16_t;		/* UNICODE character */

 typedef struct {
 	u32 data1;
 	u16 data2;
 	u16 data3;
 	u8 data4[8];
 } efi_guid_t;

 /*
  * Generic EFI table header
  */
 typedef	struct {
 	u64 signature;
 	u32 revision;
 	u32 headersize;
 	u32 crc32;
 	u32 reserved;
 } efi_table_hdr_t;

 /*
  * Memory map descriptor:
  */

 /* Memory types: */
 #define EFI_RESERVED_TYPE		 0
 #define EFI_LOADER_CODE			 1
 #define EFI_LOADER_DATA			 2
 #define EFI_BOOT_SERVICES_CODE		 3
 #define EFI_BOOT_SERVICES_DATA		 4
 #define EFI_RUNTIME_SERVICES_CODE	 5
 #define EFI_RUNTIME_SERVICES_DATA	 6
 #define EFI_CONVENTIONAL_MEMORY		 7
 #define EFI_UNUSABLE_MEMORY		 8
 #define EFI_ACPI_RECLAIM_MEMORY		 9
 #define EFI_ACPI_MEMORY_NVS		10
 #define EFI_MEMORY_MAPPED_IO		11
 #define EFI_MEMORY_MAPPED_IO_PORT_SPACE	12
 #define EFI_PAL_CODE			13
 #define EFI_MAX_MEMORY_TYPE		14

 /* Attribute values: */
 #define EFI_MEMORY_UC		0x0000000000000001	/* uncached */
 #define EFI_MEMORY_WC		0x0000000000000002	/* write-coalescing */
 #define EFI_MEMORY_WT		0x0000000000000004	/* write-through */
 #define EFI_MEMORY_WB		0x0000000000000008	/* write-back */
 #define EFI_MEMORY_WP		0x0000000000001000	/* write-protect */
 #define EFI_MEMORY_RP		0x0000000000002000	/* read-protect */
 #define EFI_MEMORY_XP		0x0000000000004000	/* execute-protect */
 #define EFI_MEMORY_RUNTIME	0x8000000000000000	/* range requires runtime mapping */
 #define EFI_MEMORY_DESCRIPTOR_VERSION	1

 typedef struct {
 	u32 type;
 	u32 pad;
 	u64 phys_addr;
 	u64 virt_addr;
 	u64 num_pages;
 	u64 attribute;
 } efi_memory_desc_t;

 typedef int efi_freemem_callback_t (u64 start, u64 end, void *arg);

 /*
  * Types and defines for Time Services
  */
 #define EFI_TIME_ADJUST_DAYLIGHT 0x1
 #define EFI_TIME_IN_DAYLIGHT     0x2
 #define EFI_UNSPECIFIED_TIMEZONE 0x07ff

 typedef struct {
 	u16 year;
 	u8 month;
 	u8 day;
 	u8 hour;
 	u8 minute;
 	u8 second;
 	u8 pad1;
 	u32 nanosecond;
 	s16 timezone;
 	u8 daylight;
 	u8 pad2;
 } efi_time_t;

 typedef struct {
 	u32 resolution;
 	u32 accuracy;
 	u8 sets_to_zero;
 } efi_time_cap_t;

 /*
  * Types and defines for EFI ResetSystem
  */
 #define EFI_RESET_COLD 0
 #define EFI_RESET_WARM 1

 /*
  * EFI Runtime Services table
  */
 #define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552
 #define EFI_RUNTIME_SERVICES_REVISION  0x00010000

 typedef struct {
 	efi_table_hdr_t hdr;
 	u64 get_time;
 	u64 set_time;
 	u64 get_wakeup_time;
 	u64 set_wakeup_time;
 	u64 set_virtual_address_map;
 	u64 convert_pointer;
 	u64 get_variable;
 	u64 get_next_variable;
 	u64 set_variable;
 	u64 get_next_high_mono_count;
 	u64 reset_system;
 } efi_runtime_services_t;

 typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc);
 typedef efi_status_t efi_set_time_t (efi_time_t *tm);
 typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending,
 					    efi_time_t *tm);
 typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm);
 typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr,
 					 unsigned long *data_size, void *data);
 typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name,
 					      efi_guid_t *vendor);
 typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 attr,
 					 unsigned long data_size, void *data);
 typedef efi_status_t efi_get_next_high_mono_count_t (u64 *count);
 typedef void efi_reset_system_t (int reset_type, efi_status_t status,
 				 unsigned long data_size, efi_char16_t *data);

 /*
  *  EFI Configuration Table and GUID definitions
  */

 #define MPS_TABLE_GUID    \
     ((efi_guid_t) { 0xeb9d2d2f, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

 #define ACPI_TABLE_GUID    \
     ((efi_guid_t) { 0xeb9d2d30, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

 #define ACPI_20_TABLE_GUID    \
     ((efi_guid_t) { 0x8868e871, 0xe4f1, 0x11d3, { 0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 }})

 #define SMBIOS_TABLE_GUID    \
     ((efi_guid_t) { 0xeb9d2d31, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

 #define SAL_SYSTEM_TABLE_GUID    \
     ((efi_guid_t) { 0xeb9d2d32, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

 typedef struct {
 	efi_guid_t guid;
 	u64 table;
 } efi_config_table_t;

 #define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249
 #define EFI_SYSTEM_TABLE_REVISION  ((1 << 16) | 00)

 typedef struct {
 	efi_table_hdr_t hdr;
 	u64 fw_vendor;		/* physical addr of CHAR16 vendor string */
 	u32 fw_revision;
 	u64 con_in_handle;
 	u64 con_in;
 	u64 con_out_handle;
 	u64 con_out;
 	u64 stderr_handle;
 	u64 stderr;
 	u64 runtime;
 	u64 boottime;
 	u64 nr_tables;
 	u64 tables;
 } efi_system_table_t;

 /*
  * 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 */
 	efi_get_time_t *get_time;
 	efi_set_time_t *set_time;
 	efi_get_wakeup_time_t *get_wakeup_time;
 	efi_set_wakeup_time_t *set_wakeup_time;
 	efi_get_variable_t *get_variable;
 	efi_get_next_variable_t *get_next_variable;
 	efi_set_variable_t *set_variable;
 	efi_get_next_high_mono_count_t *get_next_high_mono_count;
 	efi_reset_system_t *reset_system;
 } efi;

 static inline int
 efi_guidcmp (efi_guid_t left, efi_guid_t right)
 {
 	return memcmp(&left, &right, sizeof (efi_guid_t));
 }

 extern void efi_init (void);
 extern void efi_map_pal_code (void);
 extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
 extern void efi_gettimeofday (struct timeval *tv);
 extern void efi_enter_virtual_mode (void);	/* switch EFI to virtual mode, if possible */
 extern u64  efi_get_iobase (void);

 /*
  * Variable Attributes
  */
 #define EFI_VARIABLE_NON_VOLATILE       0x0000000000000001
 #define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
 #define EFI_VARIABLE_RUNTIME_ACCESS     0x0000000000000004


 /*
  * efi_dir is allocated in arch/ia64/kernel/efi.c.
  */
 #ifdef CONFIG_PROC_FS
 extern struct proc_dir_entry *efi_dir;
 #endif

 #endif /* _ASM_IA64_EFI_H */
	#ifndef _ASM_IA64_EFI_H
	#define _ASM_IA64_EFI_H

	/*
	* Extensible Firmware Interface
	* Based on 'Extensible Firmware Interface Specification' version 0.9, April 30, 1999
	*
	* Copyright (C) 1999 VA Linux Systems
	* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
	* Copyright (C) 1999 Hewlett-Packard Co.
	* Copyright (C) 1999 David Mosberger-Tang <davidm@hpl.hp.com>
	* Copyright (C) 1999 Stephane Eranian <eranian@hpl.hp.com>
	*/
	#include <linux/init.h>
	#include <linux/string.h>
	#include <linux/time.h>
	#include <linux/types.h>
	#include <linux/proc_fs.h>

	#include <asm/page.h>
	#include <asm/system.h>

	#define EFI_SUCCESS 0
	#define EFI_LOAD_ERROR (1L \| (1L << 63))
	#define EFI_INVALID_PARAMETER (2L \| (1L << 63))
	#define EFI_UNSUPPORTED (3L \| (1L << 63))
	#define EFI_BAD_BUFFER_SIZE (4L \| (1L << 63))
	#define EFI_BUFFER_TOO_SMALL (5L \| (1L << 63))
	#define EFI_NOT_FOUND (14L \| (1L << 63))

	typedef unsigned long efi_status_t;
	typedef u8 efi_bool_t;
	typedef u16 efi_char16_t; /* UNICODE character */

	typedef struct {
	u32 data1;
	u16 data2;
	u16 data3;
	u8 data4[8];
	} efi_guid_t;

	/*
	* Generic EFI table header
	*/
	typedef struct {
	u64 signature;
	u32 revision;
	u32 headersize;
	u32 crc32;
	u32 reserved;
	} efi_table_hdr_t;

	/*
	* Memory map descriptor:
	*/

	/* Memory types: */
	#define EFI_RESERVED_TYPE 0
	#define EFI_LOADER_CODE 1
	#define EFI_LOADER_DATA 2
	#define EFI_BOOT_SERVICES_CODE 3
	#define EFI_BOOT_SERVICES_DATA 4
	#define EFI_RUNTIME_SERVICES_CODE 5
	#define EFI_RUNTIME_SERVICES_DATA 6
	#define EFI_CONVENTIONAL_MEMORY 7
	#define EFI_UNUSABLE_MEMORY 8
	#define EFI_ACPI_RECLAIM_MEMORY 9
	#define EFI_ACPI_MEMORY_NVS 10
	#define EFI_MEMORY_MAPPED_IO 11
	#define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12
	#define EFI_PAL_CODE 13
	#define EFI_MAX_MEMORY_TYPE 14

	/* Attribute values: */
	#define EFI_MEMORY_UC 0x0000000000000001 /* uncached */
	#define EFI_MEMORY_WC 0x0000000000000002 /* write-coalescing */
	#define EFI_MEMORY_WT 0x0000000000000004 /* write-through */
	#define EFI_MEMORY_WB 0x0000000000000008 /* write-back */
	#define EFI_MEMORY_WP 0x0000000000001000 /* write-protect */
	#define EFI_MEMORY_RP 0x0000000000002000 /* read-protect */
	#define EFI_MEMORY_XP 0x0000000000004000 /* execute-protect */
	#define EFI_MEMORY_RUNTIME 0x8000000000000000 /* range requires runtime mapping */
	#define EFI_MEMORY_DESCRIPTOR_VERSION 1

	typedef struct {
	u32 type;
	u32 pad;
	u64 phys_addr;
	u64 virt_addr;
	u64 num_pages;
	u64 attribute;
	} efi_memory_desc_t;

	typedef int efi_freemem_callback_t (u64 start, u64 end, void *arg);

	/*
	* Types and defines for Time Services
	*/
	#define EFI_TIME_ADJUST_DAYLIGHT 0x1
	#define EFI_TIME_IN_DAYLIGHT 0x2
	#define EFI_UNSPECIFIED_TIMEZONE 0x07ff

	typedef struct {
	u16 year;
	u8 month;
	u8 day;
	u8 hour;
	u8 minute;
	u8 second;
	u8 pad1;
	u32 nanosecond;
	s16 timezone;
	u8 daylight;
	u8 pad2;
	} efi_time_t;

	typedef struct {
	u32 resolution;
	u32 accuracy;
	u8 sets_to_zero;
	} efi_time_cap_t;

	/*
	* Types and defines for EFI ResetSystem
	*/
	#define EFI_RESET_COLD 0
	#define EFI_RESET_WARM 1

	/*
	* EFI Runtime Services table
	*/
	#define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552
	#define EFI_RUNTIME_SERVICES_REVISION 0x00010000

	typedef struct {
	efi_table_hdr_t hdr;
	u64 get_time;
	u64 set_time;
	u64 get_wakeup_time;
	u64 set_wakeup_time;
	u64 set_virtual_address_map;
	u64 convert_pointer;
	u64 get_variable;
	u64 get_next_variable;
	u64 set_variable;
	u64 get_next_high_mono_count;
	u64 reset_system;
	} efi_runtime_services_t;

	typedef efi_status_t efi_get_time_t (efi_time_t tm, efi_time_cap_t tc);
	typedef efi_status_t efi_set_time_t (efi_time_t *tm);
	typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t enabled, efi_bool_t pending,
	efi_time_t *tm);
	typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm);
	typedef efi_status_t efi_get_variable_t (efi_char16_t name, efi_guid_t vendor, u32 *attr,
	unsigned long data_size, void data);
	typedef efi_status_t efi_get_next_variable_t (unsigned long name_size, efi_char16_t name,
	efi_guid_t *vendor);
	typedef efi_status_t efi_set_variable_t (efi_char16_t name, efi_guid_t vendor, u32 attr,
	unsigned long data_size, void *data);
	typedef efi_status_t efi_get_next_high_mono_count_t (u64 *count);
	typedef void efi_reset_system_t (int reset_type, efi_status_t status,
	unsigned long data_size, efi_char16_t *data);

	/*
	* EFI Configuration Table and GUID definitions
	*/

	#define MPS_TABLE_GUID \
	((efi_guid_t) { 0xeb9d2d2f, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

	#define ACPI_TABLE_GUID \
	((efi_guid_t) { 0xeb9d2d30, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

	#define ACPI_20_TABLE_GUID \
	((efi_guid_t) { 0x8868e871, 0xe4f1, 0x11d3, { 0xbc, 0x22, 0x0, 0x80, 0xc7, 0x3c, 0x88, 0x81 }})

	#define SMBIOS_TABLE_GUID \
	((efi_guid_t) { 0xeb9d2d31, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

	#define SAL_SYSTEM_TABLE_GUID \
	((efi_guid_t) { 0xeb9d2d32, 0x2d88, 0x11d3, { 0x9a, 0x16, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d }})

	typedef struct {
	efi_guid_t guid;
	u64 table;
	} efi_config_table_t;

	#define EFI_SYSTEM_TABLE_SIGNATURE 0x5453595320494249
	#define EFI_SYSTEM_TABLE_REVISION ((1 << 16) \| 00)

	typedef struct {
	efi_table_hdr_t hdr;
	u64 fw_vendor; /* physical addr of CHAR16 vendor string */
	u32 fw_revision;
	u64 con_in_handle;
	u64 con_in;
	u64 con_out_handle;
	u64 con_out;
	u64 stderr_handle;
	u64 stderr;
	u64 runtime;
	u64 boottime;
	u64 nr_tables;
	u64 tables;
	} efi_system_table_t;

	/*
	* 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 */
	efi_get_time_t *get_time;
	efi_set_time_t *set_time;
	efi_get_wakeup_time_t *get_wakeup_time;
	efi_set_wakeup_time_t *set_wakeup_time;
	efi_get_variable_t *get_variable;
	efi_get_next_variable_t *get_next_variable;
	efi_set_variable_t *set_variable;
	efi_get_next_high_mono_count_t *get_next_high_mono_count;
	efi_reset_system_t *reset_system;
	} efi;

	static inline int
	efi_guidcmp (efi_guid_t left, efi_guid_t right)
	{
	return memcmp(&left, &right, sizeof (efi_guid_t));
	}

	extern void efi_init (void);
	extern void efi_map_pal_code (void);
	extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
	extern void efi_gettimeofday (struct timeval *tv);
	extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */
	extern u64 efi_get_iobase (void);

	/*
	* Variable Attributes
	*/
	#define EFI_VARIABLE_NON_VOLATILE 0x0000000000000001
	#define EFI_VARIABLE_BOOTSERVICE_ACCESS 0x0000000000000002
	#define EFI_VARIABLE_RUNTIME_ACCESS 0x0000000000000004


	/*
	* efi_dir is allocated in arch/ia64/kernel/efi.c.
	*/
	#ifdef CONFIG_PROC_FS
	extern struct proc_dir_entry *efi_dir;
	#endif

	#endif /* _ASM_IA64_EFI_H */