patch-2.3.43 linux/include/asm-ia64/efi.h

• Lines: 234
• Date: Sun Feb 6 18:42:40 2000
• Orig file: v2.3.42/linux/include/asm-ia64/efi.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.42/linux/include/asm-ia64/efi.h linux/include/asm-ia64/efi.h
@@ -0,0 +1,233 @@
+#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 <asm/page.h>
+#include <asm/system.h>
+
+#define EFI_SUCCESS		0
+#define EFI_INVALID_PARAMETER	2
+#define EFI_UNSUPPORTED		3
+#define EFI_BUFFER_TOO_SMALL	4
+
+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 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  ((0 << 16) | (91))
+
+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 */
+	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;
+
+extern 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_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 */
+
+#endif /* _ASM_IA64_EFI_H */