101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
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/*
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** Copyright 2001, Travis Geiselbrecht. All rights reserved.
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** Modified Sep 2001 by Rob Judd <judd@ob-wan.com>
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** Distributed under the terms of the NewOS License.
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*/
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#ifndef __IDE_PRIVATE_H__
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#define __IDE_PRIVATE_H__
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#include <types.h>
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#include "partition.h"
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typedef struct
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{
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unsigned short config; /* obsolete stuff */
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unsigned short cyls; /* logical cylinders */
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unsigned short _reserved_2;
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unsigned short heads; /* logical heads */
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unsigned short _vendor_4; /* bytes per track unformatted */
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unsigned short _vendor_5; /* sectors per track unformatted */
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unsigned short sectors; /* logical sectors */
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unsigned short _vendor_7;
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unsigned short _vendor_8;
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unsigned short _vendor_9;
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char serial[20]; //40 /* serial number */
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unsigned short _vendor_20;
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unsigned short _vendor_21;
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unsigned short vend_bytes_long; /* number of ECC bytes on long cmd */
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char firmware[8]; /* firmware revision */
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char model[40]; //94 /* model name */
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unsigned short mult_support; /* vendor stuff and multiple cmds */
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unsigned short _reserved_48; /* bit 0: double word i/o possible */
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unsigned short capabilities; /* bit 9: LBA; bit 8: DMA support */
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unsigned short _reserved_50;
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unsigned short pio; /* bit 15-8: timing mode for PIO */
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unsigned short dma; /* bit 15-8: timing mode for DMA */
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unsigned short _reserved_53;
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unsigned short curr_cyls; /* current logical cylinders */
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unsigned short curr_heads; /* current logical heads */
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unsigned short curr_sectors; /* current logical sectors */
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unsigned long capacity; //118 /* apparent capacity in sectors */
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unsigned short _pad[511-59]; /* don't need this stuff for now */
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} ide_hw_id_t;
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#define IDE_MAGIC_COOKIE 0xABCDEF10
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#define IDE_MAGIC_COOKIE2 0x12345678
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#define NO_DEVICE -1
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#define UNKNOWN_DEVICE 0
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#define ATA_DEVICE 1
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#define ATAPI_DEVICE 2
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#define IDE_NAME 40
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typedef struct s_ide_device
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{
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uint32 magic;
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ide_hw_id_t hardware_device;
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uint32 magic2;
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int iobase;
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int bus;
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int device;
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int device_type;
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uint32 sector_count;
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int bytes_per_sector;
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int lba_supported;
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int start_block;
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int end_block;
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tPartition partitions[8]; // 4 Primary + 4 Extended
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} ide_device;
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#define MAX_IDE_BUSES 2
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#define MAX_DEVICES 4
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extern ide_device devices[MAX_DEVICES];
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#define DISK_GET_GEOMETRY 1
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#define DISK_USE_DMA 2
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#define DISK_USE_BUS_MASTERING 3
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#define DISK_USE_PIO 4
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#define DISK_GET_ACCOUSTIC_LEVEL 5
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#define DISK_SET_ACCOUSTIC_LEVEL 6
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typedef struct s_drive_geometry
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{
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uint32 blocks;
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uint32 heads;
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uint32 cylinders;
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uint32 sectors;
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int removable;
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uint32 bytes_per_sector;
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int read_only;
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char model[40];
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char serial[20];
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char firmware[8];
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} drive_geometry;
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#endif
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