* Copyright 2004-2006, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*/
#ifndef KERNEL_BOOT_DISK_IDENTIFIER_H
#define KERNEL_BOOT_DISK_IDENTIFIER_H
#include <SupportDefs.h>
enum bus_types {
UNKNOWN_BUS,
LEGACY_BUS,
PCI_BUS,
};
enum device_types {
UNKNOWN_DEVICE,
ATA_DEVICE,
ATAPI_DEVICE,
SCSI_DEVICE,
USB_DEVICE,
FIREWIRE_DEVICE,
FIBRE_DEVICE,
};
#define NUM_DISK_CHECK_SUMS 5
typedef struct disk_identifier {
int32 bus_type;
int32 device_type;
union {
struct {
uint16 base_address;
} _PACKED legacy;
struct {
uint8 bus;
uint8 slot;
uint8 function;
} _PACKED pci;
} bus;
union {
struct {
bool master;
} _PACKED ata;
struct {
bool master;
uint8 logical_unit;
} _PACKED atapi;
struct {
uint8 logical_unit;
} _PACKED scsi;
struct {
uint8 tbd;
} _PACKED usb;
struct {
uint64 guid;
} _PACKED firewire;
struct {
uint64 wwd;
} _PACKED fibre;
struct {
off_t size;
struct {
off_t offset;
uint32 sum;
} _PACKED check_sums[NUM_DISK_CHECK_SUMS];
} _PACKED unknown;
} device;
} _PACKED disk_identifier;
#endif
