efi.h revision 1.3
1 /* $NetBSD: efi.h,v 1.3 2017/02/09 11:56:40 nonaka Exp $ */ 2 3 /*- 4 * Copyright (c) 2004 Marcel Moolenaar 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 /* This file is mainly ia64/include/efi.h with little modifications. */ 32 33 #ifndef _X86_EFI_H_ 34 #define _X86_EFI_H_ 35 36 #include <sys/uuid.h> 37 38 #define EFI_PAGE_SHIFT 12 39 #define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT) 40 #define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1) 41 42 extern const struct uuid EFI_UUID_ACPI20; 43 extern const struct uuid EFI_UUID_ACPI10; 44 45 #define EFI_TABLE_SAL \ 46 {0xeb9d2d32,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}} 47 48 enum efi_reset { 49 EFI_RESET_COLD, 50 EFI_RESET_WARM 51 }; 52 53 typedef uint16_t efi_char; 54 typedef unsigned long efi_status; 55 56 57 struct efi_cfgtbl { 58 struct uuid ct_uuid; 59 void *ct_data; 60 }; 61 struct efi_md { 62 uint32_t md_type; 63 #define EFI_MD_TYPE_NULL 0 64 #define EFI_MD_TYPE_CODE 1 /* Loader text. */ 65 #define EFI_MD_TYPE_DATA 2 /* Loader data. */ 66 #define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */ 67 #define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */ 68 #define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */ 69 #define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */ 70 #define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */ 71 #define EFI_MD_TYPE_BAD 8 /* Bad memory */ 72 #define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */ 73 #define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */ 74 #define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */ 75 #define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */ 76 #define EFI_MD_TYPE_PALCODE 13 /* PAL */ 77 uint32_t __pad; 78 uint64_t md_phys; 79 uint64_t md_virt; 80 uint64_t md_pages; 81 uint64_t md_attr; 82 #define EFI_MD_ATTR_UC 0x0000000000000001UL 83 #define EFI_MD_ATTR_WC 0x0000000000000002UL 84 #define EFI_MD_ATTR_WT 0x0000000000000004UL 85 #define EFI_MD_ATTR_WB 0x0000000000000008UL 86 #define EFI_MD_ATTR_UCE 0x0000000000000010UL 87 #define EFI_MD_ATTR_WP 0x0000000000001000UL 88 #define EFI_MD_ATTR_RP 0x0000000000002000UL 89 #define EFI_MD_ATTR_XP 0x0000000000004000UL 90 #define EFI_MD_ATTR_RT 0x8000000000000000UL 91 }; 92 93 struct efi_tm { 94 uint16_t tm_year; /* 1998 - 20XX */ 95 uint8_t tm_mon; /* 1 - 12 */ 96 uint8_t tm_mday; /* 1 - 31 */ 97 uint8_t tm_hour; /* 0 - 23 */ 98 uint8_t tm_min; /* 0 - 59 */ 99 uint8_t tm_sec; /* 0 - 59 */ 100 uint8_t __pad1; 101 uint32_t tm_nsec; /* 0 - 999,999,999 */ 102 int16_t tm_tz; /* -1440 to 1440 or 2047 */ 103 uint8_t tm_dst; 104 uint8_t __pad2; 105 }; 106 107 struct efi_tmcap { 108 uint32_t tc_res; /* 1e-6 parts per million */ 109 uint32_t tc_prec; /* hertz */ 110 uint8_t tc_stz; /* Set clears sub-second time */ 111 }; 112 113 struct efi_tblhdr { 114 uint64_t th_sig; 115 uint32_t th_rev; 116 uint32_t th_hdrsz; 117 uint32_t th_crc32; 118 uint32_t __res; 119 }; 120 121 struct efi_rt { 122 struct efi_tblhdr rt_hdr; 123 efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *); 124 efi_status (*rt_settime)(struct efi_tm *); 125 efi_status (*rt_getwaketime)(uint8_t *, uint8_t *, 126 struct efi_tm *); 127 efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *); 128 efi_status (*rt_setvirtual)(u_long, u_long, uint32_t, 129 struct efi_md *); 130 efi_status (*rt_cvtptr)(u_long, void **); 131 efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *, 132 u_long *, void *); 133 efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *); 134 efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t, 135 u_long, void *); 136 efi_status (*rt_gethicnt)(uint32_t *); 137 efi_status (*rt_reset)(enum efi_reset, efi_status, u_long, 138 efi_char *); 139 }; 140 141 struct efi_systbl { 142 struct efi_tblhdr st_hdr; 143 #define EFI_SYSTBL_SIG 0x5453595320494249UL 144 efi_char *st_fwvendor; 145 uint32_t st_fwrev; 146 #ifdef __amd64__ 147 uint32_t __pad; 148 #endif 149 void *st_cin; 150 void *st_cinif; 151 void *st_cout; 152 void *st_coutif; 153 void *st_cerr; 154 void *st_cerrif; 155 struct efi_rt *st_rt; 156 void *st_bs; 157 u_long st_entries; 158 struct efi_cfgtbl *st_cfgtbl; 159 }; 160 161 bool efi_probe(void); 162 paddr_t efi_getsystblpa(void); 163 struct efi_systbl *efi_getsystbl(void); 164 paddr_t efi_getcfgtblpa(const struct uuid*); 165 void *efi_getcfgtbl(const struct uuid*); 166 int efi_getbiosmemtype(uint32_t, uint64_t); 167 const char *efi_getmemtype_str(uint32_t); 168 /* 169 void efi_boot_finish(void); 170 int efi_boot_minimal(uint64_t); 171 void *efi_get_table(struct uuid *); 172 void efi_get_time(struct efi_tm *); 173 struct efi_md *efi_md_first(void); 174 struct efi_md *efi_md_next(struct efi_md *); 175 void efi_reset_system(void); 176 efi_status efi_set_time(struct efi_tm *); 177 */ 178 179 #endif /* _X86_EFI_H_ */ 180
Indexes created Mon Sep 22 13:09:51 GMT 2025