efi.h revision 1.4
1/* $NetBSD: efi.h,v 1.4 2022/08/20 09:43:27 riastradh 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/* 32 * This file is mainly x86/include/efi.h, which in turn is mainly 33 * ia64/include/efi.h with little modifications. 34 */ 35 36#ifndef _ARM_EFI_H_ 37#define _ARM_EFI_H_ 38 39#include <sys/uuid.h> 40 41#define EFI_PAGE_SHIFT 12 42#define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT) 43#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1) 44 45#define EFI_TABLE_ACPI20 \ 46 {0x8868e871,0xe4f1,0x11d3,0xbc,0x22,{0x00,0x80,0xc7,0x3c,0x88,0x81}} 47#define EFI_TABLE_ACPI10 \ 48 {0xeb9d2d30,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}} 49#define EFI_TABLE_SMBIOS \ 50 {0xeb9d2d31,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}} 51#define EFI_TABLE_SMBIOS3 \ 52 {0xf2fd1544,0x9794,0x4a2c,0x99,0x2e,{0xe5,0xbb,0xcf,0x20,0xe3,0x94}} 53 54extern const struct uuid EFI_UUID_ACPI20; 55extern const struct uuid EFI_UUID_ACPI10; 56extern const struct uuid EFI_UUID_SMBIOS; 57extern const struct uuid EFI_UUID_SMBIOS3; 58 59extern bool bootmethod_efi; 60 61enum efi_reset { 62 EFI_RESET_COLD, 63 EFI_RESET_WARM, 64 EFI_RESET_SHUTDOWN, 65 EFI_RESET_PLATFORM_SPECIFIC, 66}; 67 68typedef uint16_t efi_char; 69typedef unsigned long efi_status; 70 71struct efi_cfgtbl { 72 struct uuid ct_uuid; 73 void *ct_data; 74}; 75 76struct efi_md { 77 uint32_t md_type; 78#define EFI_MD_TYPE_NULL 0 79#define EFI_MD_TYPE_CODE 1 /* Loader text. */ 80#define EFI_MD_TYPE_DATA 2 /* Loader data. */ 81#define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */ 82#define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */ 83#define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */ 84#define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */ 85#define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */ 86#define EFI_MD_TYPE_BAD 8 /* Bad memory */ 87#define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */ 88#define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */ 89#define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */ 90#define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */ 91#define EFI_MD_TYPE_PALCODE 13 /* PAL */ 92#define EFI_MD_TYPE_PMEM 14 /* Persistent memory. */ 93 uint32_t __pad; 94 uint64_t md_phys; 95 uint64_t md_virt; 96 uint64_t md_pages; 97 uint64_t md_attr; 98#define EFI_MD_ATTR_UC 0x0000000000000001UL 99#define EFI_MD_ATTR_WC 0x0000000000000002UL 100#define EFI_MD_ATTR_WT 0x0000000000000004UL 101#define EFI_MD_ATTR_WB 0x0000000000000008UL 102#define EFI_MD_ATTR_UCE 0x0000000000000010UL 103#define EFI_MD_ATTR_WP 0x0000000000001000UL 104#define EFI_MD_ATTR_RP 0x0000000000002000UL 105#define EFI_MD_ATTR_XP 0x0000000000004000UL 106#define EFI_MD_ATTR_NV 0x0000000000008000UL 107#define EFI_MD_ATTR_MORE_RELIABLE 0x0000000000010000UL 108#define EFI_MD_ATTR_RO 0x0000000000020000UL 109#define EFI_MD_ATTR_SP 0x0000000000040000UL 110#define EFI_MD_ATTR_CPU_CRYPTO 0x0000000000080000UL 111#define EFI_MD_ATTR_RT 0x8000000000000000UL 112}; 113 114struct efi_tm { 115 uint16_t tm_year; /* 1998 - 20XX */ 116 uint8_t tm_mon; /* 1 - 12 */ 117 uint8_t tm_mday; /* 1 - 31 */ 118 uint8_t tm_hour; /* 0 - 23 */ 119 uint8_t tm_min; /* 0 - 59 */ 120 uint8_t tm_sec; /* 0 - 59 */ 121 uint8_t __pad1; 122 uint32_t tm_nsec; /* 0 - 999,999,999 */ 123 int16_t tm_tz; /* -1440 to 1440 or 2047 */ 124 uint8_t tm_dst; 125 uint8_t __pad2; 126}; 127 128struct efi_tmcap { 129 uint32_t tc_res; /* 1e-6 parts per million */ 130 uint32_t tc_prec; /* hertz */ 131 uint8_t tc_stz; /* Set clears sub-second time */ 132}; 133 134struct efi_tblhdr { 135 uint64_t th_sig; 136 uint32_t th_rev; 137 uint32_t th_hdrsz; 138 uint32_t th_crc32; 139 uint32_t __res; 140}; 141 142struct efi_rt { 143 struct efi_tblhdr rt_hdr; 144 efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *); 145 efi_status (*rt_settime)(struct efi_tm *); 146 efi_status (*rt_getwaketime)(uint8_t *, uint8_t *, 147 struct efi_tm *); 148 efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *); 149 efi_status (*rt_setvirtual)(u_long, u_long, uint32_t, 150 struct efi_md *); 151 efi_status (*rt_cvtptr)(u_long, void **); 152 efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *, 153 u_long *, void *); 154 efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *); 155 efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t, 156 u_long, void *); 157 efi_status (*rt_gethicnt)(uint32_t *); 158 efi_status (*rt_reset)(enum efi_reset, efi_status, u_long, 159 efi_char *); 160}; 161 162struct efi_systbl { 163 struct efi_tblhdr st_hdr; 164#define EFI_SYSTBL_SIG 0x5453595320494249UL 165 efi_char *st_fwvendor; 166 uint32_t st_fwrev; 167 void *st_cin; 168 void *st_cinif; 169 void *st_cout; 170 void *st_coutif; 171 void *st_cerr; 172 void *st_cerrif; 173 struct efi_rt *st_rt; 174 void *st_bs; 175 u_long st_entries; 176 struct efi_cfgtbl *st_cfgtbl; 177}; 178 179#endif /* _ARM_EFI_H_ */ 180