efi.h revision 306404
1/*- 2 * Copyright (c) 2004 Marcel Moolenaar 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * 26 * $FreeBSD: stable/11/sys/sys/efi.h 306404 2016-09-28 09:48:39Z kib $ 27 */ 28 29#ifndef _SYS_EFI_H_ 30#define _SYS_EFI_H_ 31 32#include <sys/uuid.h> 33#include <machine/efi.h> 34 35#define EFI_PAGE_SHIFT 12 36#define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT) 37#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1) 38 39#define EFI_TABLE_ACPI20 \ 40 {0x8868e871,0xe4f1,0x11d3,0xbc,0x22,{0x00,0x80,0xc7,0x3c,0x88,0x81}} 41#define EFI_TABLE_SAL \ 42 {0xeb9d2d32,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}} 43 44enum efi_reset { 45 EFI_RESET_COLD, 46 EFI_RESET_WARM 47}; 48 49typedef uint16_t efi_char; 50typedef unsigned long efi_status; 51 52struct efi_cfgtbl { 53 struct uuid ct_uuid; 54 uint64_t ct_data; 55}; 56 57struct efi_md { 58 uint32_t md_type; 59#define EFI_MD_TYPE_NULL 0 60#define EFI_MD_TYPE_CODE 1 /* Loader text. */ 61#define EFI_MD_TYPE_DATA 2 /* Loader data. */ 62#define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */ 63#define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */ 64#define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */ 65#define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */ 66#define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */ 67#define EFI_MD_TYPE_BAD 8 /* Bad memory */ 68#define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */ 69#define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */ 70#define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */ 71#define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */ 72#define EFI_MD_TYPE_PALCODE 13 /* PAL */ 73 uint32_t __pad; 74 uint64_t md_phys; 75 void *md_virt; 76 uint64_t md_pages; 77 uint64_t md_attr; 78#define EFI_MD_ATTR_UC 0x0000000000000001UL 79#define EFI_MD_ATTR_WC 0x0000000000000002UL 80#define EFI_MD_ATTR_WT 0x0000000000000004UL 81#define EFI_MD_ATTR_WB 0x0000000000000008UL 82#define EFI_MD_ATTR_UCE 0x0000000000000010UL 83#define EFI_MD_ATTR_WP 0x0000000000001000UL 84#define EFI_MD_ATTR_RP 0x0000000000002000UL 85#define EFI_MD_ATTR_XP 0x0000000000004000UL 86#define EFI_MD_ATTR_RT 0x8000000000000000UL 87}; 88 89#define efi_next_descriptor(ptr, size) \ 90 ((struct efi_md *)(((uint8_t *)(ptr)) + (size))) 91 92struct efi_tm { 93 uint16_t tm_year; /* 1998 - 20XX */ 94 uint8_t tm_mon; /* 1 - 12 */ 95 uint8_t tm_mday; /* 1 - 31 */ 96 uint8_t tm_hour; /* 0 - 23 */ 97 uint8_t tm_min; /* 0 - 59 */ 98 uint8_t tm_sec; /* 0 - 59 */ 99 uint8_t __pad1; 100 uint32_t tm_nsec; /* 0 - 999,999,999 */ 101 int16_t tm_tz; /* -1440 to 1440 or 2047 */ 102 uint8_t tm_dst; 103 uint8_t __pad2; 104}; 105 106struct efi_tmcap { 107 uint32_t tc_res; /* 1e-6 parts per million */ 108 uint32_t tc_prec; /* hertz */ 109 uint8_t tc_stz; /* Set clears sub-second time */ 110}; 111 112struct efi_tblhdr { 113 uint64_t th_sig; 114 uint32_t th_rev; 115 uint32_t th_hdrsz; 116 uint32_t th_crc32; 117 uint32_t __res; 118}; 119 120struct efi_rt { 121 struct efi_tblhdr rt_hdr; 122 efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *) 123 EFIABI_ATTR; 124 efi_status (*rt_settime)(struct efi_tm *) EFIABI_ATTR; 125 efi_status (*rt_getwaketime)(uint8_t *, uint8_t *, 126 struct efi_tm *) EFIABI_ATTR; 127 efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *) 128 EFIABI_ATTR; 129 efi_status (*rt_setvirtual)(u_long, u_long, uint32_t, 130 struct efi_md *) EFIABI_ATTR; 131 efi_status (*rt_cvtptr)(u_long, void **) EFIABI_ATTR; 132 efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *, 133 u_long *, void *) EFIABI_ATTR; 134 efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *) 135 EFIABI_ATTR; 136 efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t, 137 u_long, void *) EFIABI_ATTR; 138 efi_status (*rt_gethicnt)(uint32_t *) EFIABI_ATTR; 139 efi_status (*rt_reset)(enum efi_reset, efi_status, u_long, 140 efi_char *) EFIABI_ATTR; 141}; 142 143struct efi_systbl { 144 struct efi_tblhdr st_hdr; 145#define EFI_SYSTBL_SIG 0x5453595320494249UL 146 efi_char *st_fwvendor; 147 uint32_t st_fwrev; 148 uint32_t __pad; 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 uint64_t st_rt; 156 void *st_bs; 157 u_long st_entries; 158 uint64_t st_cfgtbl; 159}; 160 161extern vm_paddr_t efi_systbl; 162#endif /* _SYS_EFI_H_ */ 163