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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | #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 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 ((0 << 16) | (92)) 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 */ #endif /* _ASM_IA64_EFI_H */ |