/* $NetBSD: efi.h,v 1.1 2016/01/28 01:09:56 christos 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. * * $FreeBSD$ */ /* This file is mainly ia64/include/efi.h with little modifications. */ #ifndef _X86_EFI_H_ #define _X86_EFI_H_ #include #define EFI_PAGE_SHIFT 12 #define EFI_PAGE_SIZE (1 << EFI_PAGE_SHIFT) #define EFI_PAGE_MASK (EFI_PAGE_SIZE - 1) extern const struct uuid EFI_UUID_ACPI20; extern const struct uuid EFI_UUID_ACPI10; #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; }; bool efi_probe(void); paddr_t efi_getsystblpa(void); struct efi_systbl *efi_getsystbl(void); paddr_t efi_getcfgtblpa(const struct uuid*); void *efi_getcfgtbl(const struct uuid*); /* 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 /* _X86_EFI_H_ */