efi.h

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    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: releng/11.0/sys/sys/efi.h 292472 2015-12-19 19:01:43Z imp $
   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 
   43 enum efi_reset {
   44         EFI_RESET_COLD,
   45         EFI_RESET_WARM
   46 };
   47 
   48 typedef uint16_t        efi_char;
   49 typedef unsigned long efi_status;
   50 
   51 struct efi_cfgtbl {
   52         struct uuid     ct_uuid;
   53         uint64_t        ct_data;
   54 };
   55 
   56 struct 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 
   88 struct 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 
  102 struct 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 
  108 struct 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 
  116 struct 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 
  136 struct 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 extern vm_paddr_t efi_systbl;
  155 #endif /* _SYS_EFI_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/sys/efi.h

FreeBSD/Linux Kernel Cross Reference
sys/sys/efi.h