sys/sys/efiio.h

   1 /*-
   2  * Copyright (c) 2016 Netflix, Inc.
   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  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer
  10  *    in this position and unchanged.
  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: head/sys/sys/efiio.h 307070 2016-10-11 22:24:30Z imp $
  27  */
  28
  29 #ifndef _SYS_EFIIO_H_
  30 #define _SYS_EFIIO_H_
  31
  32 #include <sys/ioccom.h>
  33 #include <sys/uuid.h>
  34 #include <sys/efi.h>
  35
  36 struct efi_get_table_ioc
  37 {
  38         struct uuid uuid;       /* UUID to look up */
  39         void *ptr;              /* Pointer to table in KVA space */
  40 };
  41
  42 struct efi_var_ioc
  43 {
  44         efi_char *name;         /* User pointer to name, in wide chars */
  45         size_t namesize;        /* Number of wide characters in name */
  46         struct uuid vendor;     /* Vendor's UUID for variable */
  47         uint32_t attrib;        /* Attributes */
  48         void *data;             /* User pointer to the data */
  49         size_t datasize;        /* Number of *bytes* in the data */
  50 };
  51
  52 #define EFIIOC_GET_TABLE        _IOWR('E',  1, struct efi_get_table_ioc)
  53 #define EFIIOC_GET_TIME         _IOR('E',   2, struct efi_tm)
  54 #define EFIIOC_SET_TIME         _IOW('E',   3, struct efi_tm)
  55 #define EFIIOC_VAR_GET          _IOWR('E',  4, struct efi_var_ioc)
  56 #define EFIIOC_VAR_NEXT         _IOWR('E',  5, struct efi_var_ioc)
  57 #define EFIIOC_VAR_SET          _IOWR('E',  6, struct efi_var_ioc)
  58
  59 #endif /* _SYS_EFIIO_H_ */