hw/block-common.h

   1 /*
   2  * Common code for block device models
   3  *
   4  * Copyright (C) 2012 Red Hat, Inc.
   5  * Copyright (c) 2003-2008 Fabrice Bellard
   6  *
   7  * This work is licensed under the terms of the GNU GPL, version 2 or
   8  * later.  See the COPYING file in the top-level directory.
   9  */
  10
  11 #ifndef HW_BLOCK_COMMON_H
  12 #define HW_BLOCK_COMMON_H
  13
  14 #include "qemu-common.h"
  15
  16 /* Hard disk geometry */
  17
  18 #define BIOS_ATA_TRANSLATION_AUTO   0
  19 #define BIOS_ATA_TRANSLATION_NONE   1
  20 #define BIOS_ATA_TRANSLATION_LBA    2
  21 #define BIOS_ATA_TRANSLATION_LARGE  3
  22 #define BIOS_ATA_TRANSLATION_RECHS  4
  23
  24 void hd_geometry_guess(BlockDriverState *bs,
  25                        uint32_t *pcyls, uint32_t *pheads, uint32_t *psecs,
  26                        int *ptrans);
  27 int hd_bios_chs_auto_trans(uint32_t cyls, uint32_t heads, uint32_t secs);
  28
  29 #endif