/* $NetBSD: efi.h,v 1.1 2006/04/07 14:21:18 cherry Exp $ */ | |
/*- | |
* Copyright (c) 2004 Marcel Moolenaar | |
* All rights reserved. | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
* | |
* $FreeBSD$ | |
*/ | |
#ifndef _MACHINE_EFI_H_ | |
#define _MACHINE_EFI_H_ | |
#include <sys/uuid.h> | |
#define EFI_PAGE_SHIFT 12 | |
#define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT) | |
#define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1) | |
#define EFI_TABLE_ACPI20 \ | |
{0x8868e871,0xe4f1,0x11d3,0xbc,0x22,{0x00,0x80,0xc7,0x3c,0x88,0x81}} | |
#define EFI_TABLE_SAL \ | |
{0xeb9d2d32,0x2d88,0x11d3,0x9a,0x16,{0x00,0x90,0x27,0x3f,0xc1,0x4d}} | |
enum efi_reset { | |
EFI_RESET_COLD, | |
EFI_RESET_WARM | |
}; | |
typedef uint16_t efi_char; | |
typedef unsigned long efi_status; | |
struct efi_cfgtbl { | |
struct uuid ct_uuid; | |
uint64_t ct_data; | |
}; | |
struct efi_md { | |
uint32_t md_type; | |
#define EFI_MD_TYPE_NULL 0 | |
#define EFI_MD_TYPE_CODE 1 /* Loader text. */ | |
#define EFI_MD_TYPE_DATA 2 /* Loader data. */ | |
#define EFI_MD_TYPE_BS_CODE 3 /* Boot services text. */ | |
#define EFI_MD_TYPE_BS_DATA 4 /* Boot services data. */ | |
#define EFI_MD_TYPE_RT_CODE 5 /* Runtime services text. */ | |
#define EFI_MD_TYPE_RT_DATA 6 /* Runtime services data. */ | |
#define EFI_MD_TYPE_FREE 7 /* Unused/free memory. */ | |
#define EFI_MD_TYPE_BAD 8 /* Bad memory */ | |
#define EFI_MD_TYPE_RECLAIM 9 /* ACPI reclaimable memory. */ | |
#define EFI_MD_TYPE_FIRMWARE 10 /* ACPI NV memory */ | |
#define EFI_MD_TYPE_IOMEM 11 /* Memory-mapped I/O. */ | |
#define EFI_MD_TYPE_IOPORT 12 /* I/O port space. */ | |
#define EFI_MD_TYPE_PALCODE 13 /* PAL */ | |
uint32_t __pad; | |
uint64_t md_phys; | |
void *md_virt; | |
uint64_t md_pages; | |
uint64_t md_attr; | |
#define EFI_MD_ATTR_UC 0x0000000000000001UL | |
#define EFI_MD_ATTR_WC 0x0000000000000002UL | |
#define EFI_MD_ATTR_WT 0x0000000000000004UL | |
#define EFI_MD_ATTR_WB 0x0000000000000008UL | |
#define EFI_MD_ATTR_UCE 0x0000000000000010UL | |
#define EFI_MD_ATTR_WP 0x0000000000001000UL | |
#define EFI_MD_ATTR_RP 0x0000000000002000UL | |
#define EFI_MD_ATTR_XP 0x0000000000004000UL | |
#define EFI_MD_ATTR_RT 0x8000000000000000UL | |
}; | |
struct efi_tm { | |
uint16_t tm_year; /* 1998 - 20XX */ | |
uint8_t tm_mon; /* 1 - 12 */ | |
uint8_t tm_mday; /* 1 - 31 */ | |
uint8_t tm_hour; /* 0 - 23 */ | |
uint8_t tm_min; /* 0 - 59 */ | |
uint8_t tm_sec; /* 0 - 59 */ | |
uint8_t __pad1; | |
uint32_t tm_nsec; /* 0 - 999,999,999 */ | |
int16_t tm_tz; /* -1440 to 1440 or 2047 */ | |
uint8_t tm_dst; | |
uint8_t __pad2; | |
}; | |
struct efi_tmcap { | |
uint32_t tc_res; /* 1e-6 parts per million */ | |
uint32_t tc_prec; /* hertz */ | |
uint8_t tc_stz; /* Set clears sub-second time */ | |
}; | |
struct efi_tblhdr { | |
uint64_t th_sig; | |
uint32_t th_rev; | |
uint32_t th_hdrsz; | |
uint32_t th_crc32; | |
uint32_t __res; | |
}; | |
struct efi_rt { | |
struct efi_tblhdr rt_hdr; | |
efi_status (*rt_gettime)(struct efi_tm *, struct efi_tmcap *); | |
efi_status (*rt_settime)(struct efi_tm *); | |
efi_status (*rt_getwaketime)(uint8_t *, uint8_t *, | |
struct efi_tm *); | |
efi_status (*rt_setwaketime)(uint8_t, struct efi_tm *); | |
efi_status (*rt_setvirtual)(u_long, u_long, uint32_t, | |
struct efi_md *); | |
efi_status (*rt_cvtptr)(u_long, void **); | |
efi_status (*rt_getvar)(efi_char *, struct uuid *, uint32_t *, | |
u_long *, void *); | |
efi_status (*rt_scanvar)(u_long *, efi_char *, struct uuid *); | |
efi_status (*rt_setvar)(efi_char *, struct uuid *, uint32_t, | |
u_long, void *); | |
efi_status (*rt_gethicnt)(uint32_t *); | |
efi_status (*rt_reset)(enum efi_reset, efi_status, u_long, | |
efi_char *); | |
}; | |
struct efi_systbl { | |
struct efi_tblhdr st_hdr; | |
#define EFI_SYSTBL_SIG 0x5453595320494249UL | |
efi_char *st_fwvendor; | |
uint32_t st_fwrev; | |
uint32_t __pad; | |
void *st_cin; | |
void *st_cinif; | |
void *st_cout; | |
void *st_coutif; | |
void *st_cerr; | |
void *st_cerrif; | |
uint64_t st_rt; | |
void *st_bs; | |
u_long st_entries; | |
uint64_t st_cfgtbl; | |
}; | |
void efi_boot_finish(void); | |
int efi_boot_minimal(uint64_t); | |
void *efi_get_table(struct uuid *); | |
void efi_get_time(struct efi_tm *); | |
struct efi_md *efi_md_first(void); | |
struct efi_md *efi_md_next(struct efi_md *); | |
void efi_reset_system(void); | |
efi_status efi_set_time(struct efi_tm *); | |
#endif /* _MACHINE_EFI_H_ */ |