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* Added missing definitions to support the concept of physical vs. logical

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block sizes.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36411 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2010-04-22 12:12:32 +00:00
parent a2f2499840
commit 0b46a85e47
1 changed files with 28 additions and 2 deletions
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30
src/add-ons/kernel/bus_managers/ata/ATAInfoblock.h
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@ -1,12 +1,15 @@
/*
* Copyright 2010, Michael Lotz, mmlr@mlotz.ch.
* Copyright 2009, Michael Lotz, mmlr@mlotz.ch.
* Distributed under the terms of the MIT License.
*/
#ifndef ATA_INFOBLOCK_H
#define ATA_INFOBLOCK_H
#include <lendian_bitfield.h>
#define ATA_WORD_0_ATA_DEVICE 0
#define ATA_WORD_0_ATAPI_DEVICE 2
#define ATA_WORD_0_CFA_MAGIC 0x848a
@ -291,7 +294,22 @@ typedef struct ata_device_infoblock {
uint16 word_95_99_reserved[5];
uint64 lba48_sector_count;
uint16 word_104_126_reserved[23];
uint16 word_104_105_reserved[2];
LBITFIELD6(
logical_sectors_per_physical_sector : 4, // 2^x exponent
word_106_bit_4_11_reserved : 8,
logical_sector_not_512_bytes : 1,
multiple_logical_per_physical_sectors : 1,
word_106_bit_14_one : 1,
word_106_bit_15_zero : 1
);
uint16 word_107_116_reserved[10];
uint32 logical_sector_size; // in words, see 106
uint16 word_119_126_reserved[8];
LBITFIELD2(
removable_media_status_supported_2 : 2, // 1 = supported
@ -322,7 +340,15 @@ typedef struct ata_device_infoblock {
uint16 word_161_175_reserved_compact_flash_assoc[15];
uint16 current_media_serial_number[30];
uint16 word_206_254_reserved[49];
uint16 word_206_208_reserved[3];
LBITFIELD3(
logical_sector_offset : 14,
word_209_bit_14_one : 1,
word_209_bit_15_zero : 1
);
uint16 word_210_254_reserved[45];
LBITFIELD2(
signature : 8,