efi.h revision 270296
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/10/sys/sys/efi.h 270296 2014-08-21 19:51:07Z emaste $ 27 */ 28 29#ifndef _SYS_EFI_H_ 30#define _SYS_EFI_H_ 31 32#include <sys/uuid.h> 33 34#define EFI_PAGE_SHIFT 12 35#define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT) 36#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1) 37 38#define EFI_TABLE_ACPI20 \ 39 {0x8868e871,0xe4f1,0x11d3,0xbc,0x22,{0x00,0x80,0xc7,0x3c,0x88,0x81}} 40#define EFI_TABLE_SAL \ 41 {0xeb9d2d32,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}} 42 43enum efi_reset { 44 EFI_RESET_COLD, 45 EFI_RESET_WARM 46}; 47 48typedef uint16_t efi_char; 49typedef unsigned long efi_status; 50 51struct efi_cfgtbl { 52 struct uuid ct_uuid; 53 uint64_t ct_data; 54}; 55 56struct efi_md { 57 uint32_t md_type; 58#define EFI_MD_TYPE_NULL 0 59#define EFI_MD_TYPE_CODE 1 /* Loader text. */ 60#define EFI_MD_TYPE_DATA 2 /* Loader data. */ 61#define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */ 62#define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */ 63#define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */ 64#define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */ 65#define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */ 66#define EFI_MD_TYPE_BAD 8 /* Bad memory */ 67#define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */ 68#define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */ 69#define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */ 70#define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */ 71#define EFI_MD_TYPE_PALCODE 13 /* PAL */ 72 uint32_t __pad; 73 uint64_t md_phys; 74 void *md_virt; 75 uint64_t md_pages; 76 uint64_t md_attr; 77#define EFI_MD_ATTR_UC 0x0000000000000001UL 78#define EFI_MD_ATTR_WC 0x0000000000000002UL 79#define EFI_MD_ATTR_WT 0x0000000000000004UL 80#define EFI_MD_ATTR_WB 0x0000000000000008UL 81#define EFI_MD_ATTR_UCE 0x0000000000000010UL 82#define EFI_MD_ATTR_WP 0x0000000000001000UL 83#define EFI_MD_ATTR_RP 0x0000000000002000UL 84#define EFI_MD_ATTR_XP 0x0000000000004000UL 85#define EFI_MD_ATTR_RT 0x8000000000000000UL 86}; 87 88struct efi_tm { 89 uint16_t tm_year; /* 1998 - 20XX */ 90 uint8_t tm_mon; /* 1 - 12 */ 91 uint8_t tm_mday; /* 1 - 31 */ 92 uint8_t tm_hour; /* 0 - 23 */ 93 uint8_t tm_min; /* 0 - 59 */ 94 uint8_t tm_sec; /* 0 - 59 */ 95 uint8_t __pad1; 96 uint32_t tm_nsec; /* 0 - 999,999,999 */ 97 int16_t tm_tz; /* -1440 to 1440 or 2047 */ 98 uint8_t tm_dst; 99 uint8_t __pad2; 100}; 101 102struct efi_tmcap { 103 uint32_t tc_res; /* 1e-6 parts per million */ 104 uint32_t tc_prec; /* hertz */ 105 uint8_t tc_stz; /* Set clears sub-second time */ 106}; 107 108struct efi_tblhdr { 109 uint64_t th_sig; 110 uint32_t th_rev; 111 uint32_t th_hdrsz; 112 uint32_t th_crc32; 113 uint32_t __res; 114}; 115 116struct efi_rt { 117 struct efi_tblhdr rt_hdr; 118 efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *); 119 efi_status (*rt_settime)(struct efi_tm *); 120 efi_status (*rt_getwaketime)(uint8_t *, uint8_t *, 121 struct efi_tm *); 122 efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *); 123 efi_status (*rt_setvirtual)(u_long, u_long, uint32_t, 124 struct efi_md *); 125 efi_status (*rt_cvtptr)(u_long, void **); 126 efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *, 127 u_long *, void *); 128 efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *); 129 efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t, 130 u_long, void *); 131 efi_status (*rt_gethicnt)(uint32_t *); 132 efi_status (*rt_reset)(enum efi_reset, efi_status, u_long, 133 efi_char *); 134}; 135 136struct efi_systbl { 137 struct efi_tblhdr st_hdr; 138#define EFI_SYSTBL_SIG 0x5453595320494249UL 139 efi_char *st_fwvendor; 140 uint32_t st_fwrev; 141 uint32_t __pad; 142 void *st_cin; 143 void *st_cinif; 144 void *st_cout; 145 void *st_coutif; 146 void *st_cerr; 147 void *st_cerrif; 148 uint64_t st_rt; 149 void *st_bs; 150 u_long st_entries; 151 uint64_t st_cfgtbl; 152}; 153 154#if defined(_KERNEL) && defined(__ia64__) 155 156typedef u_long (*ia64_efi_f)(u_long, u_long, u_long, u_long); 157 158u_long ia64_efi_physical(ia64_efi_f, u_long, u_long, u_long, u_long); 159 160void efi_boot_finish(void); 161int efi_boot_minimal(uint64_t); 162void *efi_get_table(struct uuid *); 163void efi_get_time(struct efi_tm *); 164struct efi_md *efi_md_find(vm_paddr_t); 165struct efi_md *efi_md_first(void); 166struct efi_md *efi_md_last(void); 167struct efi_md *efi_md_next(struct efi_md *); 168struct efi_md *efi_md_prev(struct efi_md *); 169void efi_reset_system(void); 170int efi_set_time(struct efi_tm *); 171int efi_var_get(efi_char *, struct uuid *, uint32_t *, size_t *, void *); 172int efi_var_nextname(size_t *, efi_char *, struct uuid *); 173int efi_var_set(efi_char *, struct uuid *, uint32_t, size_t, void *); 174 175#endif /* _KERNEL && __ia64__ */ 176 177#endif /* _SYS_EFI_H_ */ 178