com32/gplinclude/disk/geom.h - platform/external/syslinux - Git at Google

 /* ----------------------------------------------------------------------- *
  *
  *   Copyright 2009 Pierre-Alexandre Meyer
  *
  *   Some parts borrowed from chain.c32:
  *
  *   Copyright 2003-2009 H. Peter Anvin - All Rights Reserved
  *   Copyright 2009 Intel Corporation; author: H. Peter Anvin
  *
  *   Some parts borrowed from Linux:
  *
  *   Copyright (C) 2002, 2003, 2004 Dell Inc.
  *   by Matt Domsch <Matt_Domsch@dell.com>
  *
  *   This file is part of Syslinux, and is made available under
  *   the terms of the GNU General Public License version 2.
  *
  * ----------------------------------------------------------------------- */

 #ifndef _GEOM_H_
 #define _GEOM_H_

 #include <stdint.h>

 /**
  * INT 13 Extensions
  *
  * Note: if the size is less than 30 on call, the final DWORD will not be
  *       returned by a v2.x implementation; similarly for the Device Path info
  **/
 struct edd_device_parameters {
     uint16_t len;		/* size of returned data */
 	/**
 	 * Bitfields for IBM/MS INT 13 Extensions information flags:
 	 * Bit(s)    Description    (Table 00274)
 	 * 0    DMA boundary errors handled transparently
 	 * 1    cylinder/head/sectors-per-track information is valid
 	 * 2    removable drive
 	 * 3    write with verify supported
 	 * 4    drive has change-line support (required if drive >= 80h is removable)
 	 * 5    drive can be locked (required if drive >= 80h is removable)
 	 * 6    CHS information set to maximum supported values, not current media
 	 * 15-7    reserved (0)
 	 **/
     uint16_t info;		/* information flags */
     uint32_t cylinders;		/* number of physical cylinders on drive */
     uint32_t heads;		/* number of physical heads on drive */
     uint32_t sectors_per_track;	/* number of physical sectors per track */
     uint64_t sectors;		/* total number of sectors on drive */
     uint16_t bytes_per_sector;	/* bytes per sector */
     /* --- v2.0+ --- */
     uint32_t dpte_pointer;	/* EDD configuration parameters, FFFFh:FFFFh if not available */
     /* --- v3.0 --- */
     uint16_t device_path_information;	/* signature BEDDh to indicate presence of Device Path info */
     uint8_t device_path_length;	/* length of Device Path information, including signature and this byte (24h for v3.0) */
     uint8_t device_path_reserved;	/* reserved (0) */
     uint16_t device_path_reserved_2;	/* reserved (0) */
     uint8_t host_bus_type[4];	/* ASCIZ name of host bus ("ISA" or "PCI") */
     uint8_t interface_type[8];	/* ASCIZ name of interface type
 				 *         "ATA"
 				 *         "ATAPI"
 				 *         "SCSI"
 				 *         "USB"
 				 *         "1394" IEEE 1394 (FireWire)
 				 *         "FIBRE" Fibre Channel
 				 */
 	/**
 	 * Format of EDD v3.0 Interface Path:
 	 * Offset    Size    Description    (Table 00275)
 	 * ---ISA---
 	 * 00h    WORD    16-bit base address
 	 * 02h 6 BYTEs    reserved (0)
 	 * ---PCI---
 	 * 00h    BYTE    PCI bus number
 	 * 01h    BYTE    PCI device number
 	 * 02h    BYTE    PCI function number
 	 * 03h 5 BYTEs    reserved (0)
 	 **/
     union {
 	struct {
 	    uint16_t base_address;
 	    uint16_t reserved1;
 	    uint32_t reserved2;
 	} __attribute__ ((packed)) isa;
 	struct {
 	    uint8_t bus;
 	    uint8_t slot;
 	    uint8_t function;
 	    uint8_t channel;
 	    uint32_t reserved;
 	} __attribute__ ((packed)) pci;
 	/* pcix is same as pci */
 	struct {
 	    uint64_t reserved;
 	} __attribute__ ((packed)) ibnd;
 	struct {
 	    uint64_t reserved;
 	} __attribute__ ((packed)) xprs;
 	struct {
 	    uint64_t reserved;
 	} __attribute__ ((packed)) htpt;
 	struct {
 	    uint64_t reserved;
 	} __attribute__ ((packed)) unknown;
     } interface_path;
 	/**
 	 * Format of EDD v3.0 Device Path:
 	 * Offset    Size    Description    (Table 00276)
 	 * ---ATA---
 	 * 00h    BYTE    flag: 00h = master, 01h = slave
 	 * 01h 7 BYTEs    reserved (0)
 	 * ---ATAPI---
 	 * 00h    BYTE    flag: 00h = master, 01h = slave
 	 * 01h    BYTE    logical unit number
 	 * 02h 6 BYTEs    reserved (0)
 	 * ---SCSI---
 	 * 00h    BYTE    logical unit number
 	 * 01h 7 BYTEs    reserved (0)
 	 * ---USB---
 	 * 00h    BYTE    to be determined
 	 * 01h 7 BYTEs    reserved (0)
 	 * ---IEEE1394---
 	 * 00h    QWORD    64-bit FireWire General Unique Identifier (GUID)
 	 * ---FibreChannel---
 	 * 00h    QWORD    Word Wide Number (WWN)
 	 **/
     union {
 	struct {
 	    uint8_t device;
 	    uint8_t reserved1;
 	    uint16_t reserved2;
 	    uint32_t reserved3;
 	    uint64_t reserved4;
 	} __attribute__ ((packed)) ata;
 	struct {
 	    uint8_t device;
 	    uint8_t lun;
 	    uint8_t reserved1;
 	    uint8_t reserved2;
 	    uint32_t reserved3;
 	    uint64_t reserved4;
 	} __attribute__ ((packed)) atapi;
 	struct {
 	    uint16_t id;
 	    uint64_t lun;
 	    uint16_t reserved1;
 	    uint32_t reserved2;
 	} __attribute__ ((packed)) scsi;
 	struct {
 	    uint64_t serial_number;
 	    uint64_t reserved;
 	} __attribute__ ((packed)) usb;
 	struct {
 	    uint64_t eui;
 	    uint64_t reserved;
 	} __attribute__ ((packed)) i1394;
 	struct {
 	    uint64_t wwid;
 	    uint64_t lun;
 	} __attribute__ ((packed)) fibre;
 	struct {
 	    uint64_t identity_tag;
 	    uint64_t reserved;
 	} __attribute__ ((packed)) i2o;
 	struct {
 	    uint32_t array_number;
 	    uint32_t reserved1;
 	    uint64_t reserved2;
 	} __attribute__ ((packed)) raid;
 	struct {
 	    uint8_t device;
 	    uint8_t reserved1;
 	    uint16_t reserved2;
 	    uint32_t reserved3;
 	    uint64_t reserved4;
 	} __attribute__ ((packed)) sata;
 	struct {
 	    uint64_t reserved1;
 	    uint64_t reserved2;
 	} __attribute__ ((packed)) unknown;
     } device_path;
     uint8_t reserved;		/* reserved (0) */
     uint8_t checksum;		/* checksum of bytes 1Eh-40h (two's complement of sum, which makes
 				 * the 8-bit sum of bytes 1Eh-41h equal 00h) */
 } __attribute__ ((packed));

 /*
  * Disk parameters
  */
 struct driveinfo {
     int disk;			/* Disk port (0x80 - 0xff) */
     /* Legacy C/H/S */
     int cbios;			/* CHS geometry is valid */
     int legacy_max_head;
     int legacy_max_cylinder;
     int legacy_sectors_per_track;
     int legacy_max_drive;
     int legacy_type;		/* Drive type (AT/PS2 floppies only) */
     /* EDD support */
     int ebios;			/* EBIOS supported on this disk */
     int edd_version;		/* EBIOS major version */
     int edd_functionality_subset;
     struct edd_device_parameters edd_params;	/* EDD parameters */
 };

 /**
  * Format of Phoenix Enhanced Disk Drive Spec translated drive parameter table:
  * Offset    Size    Description    (Table 00277)
  * 00h    WORD    number of cylinders
  * 02h    BYTE    number of heads
  * 03h    BYTE    A0h (signature indicating translated table)
  * 04h    BYTE    number of physical sectors per track
  * 05h    WORD    starting write precompensation cylinder number
  * 07h    BYTE    reserved
  * 08h    BYTE    control byte (see #03198 at INT 41"DISK 0")
  * 09h    WORD    number of physical cylinders
  * 0Bh    BYTE    number of physical heads
  * 0Ch    WORD    cylinder number of landing zone
  * 0Eh    BYTE    number of logical sectors per track
  * 0Fh    BYTE    checksum
  * Program: the Phoenix Enhanced Disk Drive Specification is an addition to the
  *     IBM/MS INT 13 extensions
  *
  * Format of Phoenix Enhanced Disk Drive Spec Fixed Disk Parameter Table:
  * Offset    Size    Description    (Table 00278)
  * 00h    WORD    physical I/O port base address
  * 02h    WORD    disk-drive control port address
  * 04h    BYTE    drive flags (see #00279)
  * 05h    BYTE    proprietary information
  *         bits 7-4 reserved (0)
  *         bits 3-0: Phoenix proprietary (used by BIOS)
  * 06h    BYTE    IRQ for drive (bits 3-0; bits 7-4 reserved and must be 0)
  * 07h    BYTE    sector count for multi-sector transfers
  * 08h    BYTE    DMA control
  *         bits 7-4: DMA type (0-2) as per ATA-2 specification
  *         bits 3-0: DMA channel
  * 09h    BYTE    programmed I/O control
  *         bits 7-4: reserved (0)
  *         bits 3-0: PIO type (1-4) as per ATA-2 specification
  * 0Ah    WORD    drive options (see #00280)
  * 0Ch 2 BYTEs    reserved (0)
  * 0Eh    BYTE    extension revision level (high nybble=major, low nybble=minor)
  *         (currently 10h for v1.0 and 11h for v1.1-3.0)
  * 0Fh    BYTE    2's complement checksum of bytes 00h-0Eh
  *         8-bit sum of all bytes 00h-0Fh should equal 00h
  * SeeAlso: #00277
  *
  * Bitfields for Phoenix Enhanced Disk Drive Spec drive flags:
  * Bit(s)    Description    (Table 00279)
  * 7    reserved (1)
  * 6    LBA enabled
  * 5    reserved (1)
  * 4    drive is slave
  * 3-0    reserved (0)
  * SeeAlso: #00278,#00280
  *
  * Bitfields for Phoenix Enhanced Disk Drive Spec drive options:
  * Bit(s)    Description    (Table 00280)
  * 0    fast PIO enabled
  * 1    fast DMA access enabled
  * 2    block PIO (multi-sector transfers) enabled
  * 3    CHS translation enabled
  * 4    LBA translation enabled
  * 5    removable media
  * 6    ATAPI device (CD-ROM)
  * 7    32-bit transfer mode
  * ---v1.1+ ---
  * 8    ATAPI device uses DRQ to signal readiness for packet command
  *     (must be 0 if bit 6 is 0)
  * 10-9    translation type (must be 00 if bit 3 is 0)
  *     00 Phoenix bit-shifting translation
  *     01 LBA-assisted translation
  *     10 reserved
  *     11 proprietary translation
  * ---v3.0---
  * 11    Ultra DMA access enabled
  * 15-12    reserved
  **/

 /*
  * Values for diskette drive type:
  *     01h    360K
  *     02h    1.2M
  *     03h    720K
  *     04h    1.44M
  *     05h    ???
  *            reportedly an obscure drive type shipped on some IBM machines,
  *            2.88M on some machines (at least AMI 486 BIOS)
  *     06h    2.88M
  *     10h    ATAPI Removable Media Device
  */
 enum diskette_drive_types {
     DISKETTE_360K = 1,
     DISKETTE_1_2M = 2,
     DISKETTE_720K = 3,
     DISKETTE_1_44M = 4,
     DISKETTE_2_88M = 6,
     DISKETTE_ATAPI = 10,
 };

 /**
  * chs_to_lba - compute lba value from cylinder, head and sector number
  **/
 static inline int chs_to_lba(const struct driveinfo *drive_info,
 			     const unsigned int cylinder,
 			     const unsigned int head, const unsigned int sector)
 {
     /* Use EDD, if valid */
     if (drive_info->edd_params.sectors_per_track > 0 &&
 	drive_info->edd_params.heads > 0)
 	return (sector - 1) +
 	    (head * drive_info->edd_params.sectors_per_track) +
 	    (cylinder * (drive_info->edd_params.heads) *
 	     drive_info->edd_params.sectors_per_track);
     else if (drive_info->cbios)
 	return (sector - 1) + (head * drive_info->legacy_sectors_per_track) +
 	    (cylinder * (drive_info->legacy_max_head + 1) *
 	     drive_info->legacy_sectors_per_track);
 }

 void lba_to_chs(const struct driveinfo *drive_info, const int lba,
 		unsigned int *cylinder, unsigned int *head,
 		unsigned int *sector);
 int get_drive_parameters(struct driveinfo *drive_info);

 #endif /* _GEOM_H */
	/* ----------------------------------------------------------------------- *
	*
	* Copyright 2009 Pierre-Alexandre Meyer
	*
	* Some parts borrowed from chain.c32:
	*
	* Copyright 2003-2009 H. Peter Anvin - All Rights Reserved
	* Copyright 2009 Intel Corporation; author: H. Peter Anvin
	*
	* Some parts borrowed from Linux:
	*
	* Copyright (C) 2002, 2003, 2004 Dell Inc.
	* by Matt Domsch <Matt_Domsch@dell.com>
	*
	* This file is part of Syslinux, and is made available under
	* the terms of the GNU General Public License version 2.
	*
	* ----------------------------------------------------------------------- */

	#ifndef _GEOM_H_
	#define _GEOM_H_

	#include <stdint.h>

	/**
	* INT 13 Extensions
	*
	* Note: if the size is less than 30 on call, the final DWORD will not be
	* returned by a v2.x implementation; similarly for the Device Path info
	**/
	struct edd_device_parameters {
	uint16_t len; /* size of returned data */
	/**
	* Bitfields for IBM/MS INT 13 Extensions information flags:
	* Bit(s) Description (Table 00274)
	* 0 DMA boundary errors handled transparently
	* 1 cylinder/head/sectors-per-track information is valid
	* 2 removable drive
	* 3 write with verify supported
	* 4 drive has change-line support (required if drive >= 80h is removable)
	* 5 drive can be locked (required if drive >= 80h is removable)
	* 6 CHS information set to maximum supported values, not current media
	* 15-7 reserved (0)
	**/
	uint16_t info; /* information flags */
	uint32_t cylinders; /* number of physical cylinders on drive */
	uint32_t heads; /* number of physical heads on drive */
	uint32_t sectors_per_track; /* number of physical sectors per track */
	uint64_t sectors; /* total number of sectors on drive */
	uint16_t bytes_per_sector; /* bytes per sector */
	/* --- v2.0+ --- */
	uint32_t dpte_pointer; /* EDD configuration parameters, FFFFh:FFFFh if not available */
	/* --- v3.0 --- */
	uint16_t device_path_information; /* signature BEDDh to indicate presence of Device Path info */
	uint8_t device_path_length; /* length of Device Path information, including signature and this byte (24h for v3.0) */
	uint8_t device_path_reserved; /* reserved (0) */
	uint16_t device_path_reserved_2; /* reserved (0) */
	uint8_t host_bus_type[4]; /* ASCIZ name of host bus ("ISA" or "PCI") */
	uint8_t interface_type[8]; /* ASCIZ name of interface type
	* "ATA"
	* "ATAPI"
	* "SCSI"
	* "USB"
	* "1394" IEEE 1394 (FireWire)
	* "FIBRE" Fibre Channel
	*/
	/**
	* Format of EDD v3.0 Interface Path:
	* Offset Size Description (Table 00275)
	* ---ISA---
	* 00h WORD 16-bit base address
	* 02h 6 BYTEs reserved (0)
	* ---PCI---
	* 00h BYTE PCI bus number
	* 01h BYTE PCI device number
	* 02h BYTE PCI function number
	* 03h 5 BYTEs reserved (0)
	**/
	union {
	struct {
	uint16_t base_address;
	uint16_t reserved1;
	uint32_t reserved2;
	} __attribute__ ((packed)) isa;
	struct {
	uint8_t bus;
	uint8_t slot;
	uint8_t function;
	uint8_t channel;
	uint32_t reserved;
	} __attribute__ ((packed)) pci;
	/* pcix is same as pci */
	struct {
	uint64_t reserved;
	} __attribute__ ((packed)) ibnd;
	struct {
	uint64_t reserved;
	} __attribute__ ((packed)) xprs;
	struct {
	uint64_t reserved;
	} __attribute__ ((packed)) htpt;
	struct {
	uint64_t reserved;
	} __attribute__ ((packed)) unknown;
	} interface_path;
	/**
	* Format of EDD v3.0 Device Path:
	* Offset Size Description (Table 00276)
	* ---ATA---
	* 00h BYTE flag: 00h = master, 01h = slave
	* 01h 7 BYTEs reserved (0)
	* ---ATAPI---
	* 00h BYTE flag: 00h = master, 01h = slave
	* 01h BYTE logical unit number
	* 02h 6 BYTEs reserved (0)
	* ---SCSI---
	* 00h BYTE logical unit number
	* 01h 7 BYTEs reserved (0)
	* ---USB---
	* 00h BYTE to be determined
	* 01h 7 BYTEs reserved (0)
	* ---IEEE1394---
	* 00h QWORD 64-bit FireWire General Unique Identifier (GUID)
	* ---FibreChannel---
	* 00h QWORD Word Wide Number (WWN)
	**/
	union {
	struct {
	uint8_t device;
	uint8_t reserved1;
	uint16_t reserved2;
	uint32_t reserved3;
	uint64_t reserved4;
	} __attribute__ ((packed)) ata;
	struct {
	uint8_t device;
	uint8_t lun;
	uint8_t reserved1;
	uint8_t reserved2;
	uint32_t reserved3;
	uint64_t reserved4;
	} __attribute__ ((packed)) atapi;
	struct {
	uint16_t id;
	uint64_t lun;
	uint16_t reserved1;
	uint32_t reserved2;
	} __attribute__ ((packed)) scsi;
	struct {
	uint64_t serial_number;
	uint64_t reserved;
	} __attribute__ ((packed)) usb;
	struct {
	uint64_t eui;
	uint64_t reserved;
	} __attribute__ ((packed)) i1394;
	struct {
	uint64_t wwid;
	uint64_t lun;
	} __attribute__ ((packed)) fibre;
	struct {
	uint64_t identity_tag;
	uint64_t reserved;
	} __attribute__ ((packed)) i2o;
	struct {
	uint32_t array_number;
	uint32_t reserved1;
	uint64_t reserved2;
	} __attribute__ ((packed)) raid;
	struct {
	uint8_t device;
	uint8_t reserved1;
	uint16_t reserved2;
	uint32_t reserved3;
	uint64_t reserved4;
	} __attribute__ ((packed)) sata;
	struct {
	uint64_t reserved1;
	uint64_t reserved2;
	} __attribute__ ((packed)) unknown;
	} device_path;
	uint8_t reserved; /* reserved (0) */
	uint8_t checksum; /* checksum of bytes 1Eh-40h (two's complement of sum, which makes
	* the 8-bit sum of bytes 1Eh-41h equal 00h) */
	} __attribute__ ((packed));

	/*
	* Disk parameters
	*/
	struct driveinfo {
	int disk; /* Disk port (0x80 - 0xff) */
	/* Legacy C/H/S */
	int cbios; /* CHS geometry is valid */
	int legacy_max_head;
	int legacy_max_cylinder;
	int legacy_sectors_per_track;
	int legacy_max_drive;
	int legacy_type; /* Drive type (AT/PS2 floppies only) */
	/* EDD support */
	int ebios; /* EBIOS supported on this disk */
	int edd_version; /* EBIOS major version */
	int edd_functionality_subset;
	struct edd_device_parameters edd_params; /* EDD parameters */
	};

	/**
	* Format of Phoenix Enhanced Disk Drive Spec translated drive parameter table:
	* Offset Size Description (Table 00277)
	* 00h WORD number of cylinders
	* 02h BYTE number of heads
	* 03h BYTE A0h (signature indicating translated table)
	* 04h BYTE number of physical sectors per track
	* 05h WORD starting write precompensation cylinder number
	* 07h BYTE reserved
	* 08h BYTE control byte (see #03198 at INT 41"DISK 0")
	* 09h WORD number of physical cylinders
	* 0Bh BYTE number of physical heads
	* 0Ch WORD cylinder number of landing zone
	* 0Eh BYTE number of logical sectors per track
	* 0Fh BYTE checksum
	* Program: the Phoenix Enhanced Disk Drive Specification is an addition to the
	* IBM/MS INT 13 extensions
	*
	* Format of Phoenix Enhanced Disk Drive Spec Fixed Disk Parameter Table:
	* Offset Size Description (Table 00278)
	* 00h WORD physical I/O port base address
	* 02h WORD disk-drive control port address
	* 04h BYTE drive flags (see #00279)
	* 05h BYTE proprietary information
	* bits 7-4 reserved (0)
	* bits 3-0: Phoenix proprietary (used by BIOS)
	* 06h BYTE IRQ for drive (bits 3-0; bits 7-4 reserved and must be 0)
	* 07h BYTE sector count for multi-sector transfers
	* 08h BYTE DMA control
	* bits 7-4: DMA type (0-2) as per ATA-2 specification
	* bits 3-0: DMA channel
	* 09h BYTE programmed I/O control
	* bits 7-4: reserved (0)
	* bits 3-0: PIO type (1-4) as per ATA-2 specification
	* 0Ah WORD drive options (see #00280)
	* 0Ch 2 BYTEs reserved (0)
	* 0Eh BYTE extension revision level (high nybble=major, low nybble=minor)
	* (currently 10h for v1.0 and 11h for v1.1-3.0)
	* 0Fh BYTE 2's complement checksum of bytes 00h-0Eh
	* 8-bit sum of all bytes 00h-0Fh should equal 00h
	* SeeAlso: #00277
	*
	* Bitfields for Phoenix Enhanced Disk Drive Spec drive flags:
	* Bit(s) Description (Table 00279)
	* 7 reserved (1)
	* 6 LBA enabled
	* 5 reserved (1)
	* 4 drive is slave
	* 3-0 reserved (0)
	* SeeAlso: #00278,#00280
	*
	* Bitfields for Phoenix Enhanced Disk Drive Spec drive options:
	* Bit(s) Description (Table 00280)
	* 0 fast PIO enabled
	* 1 fast DMA access enabled
	* 2 block PIO (multi-sector transfers) enabled
	* 3 CHS translation enabled
	* 4 LBA translation enabled
	* 5 removable media
	* 6 ATAPI device (CD-ROM)
	* 7 32-bit transfer mode
	* ---v1.1+ ---
	* 8 ATAPI device uses DRQ to signal readiness for packet command
	* (must be 0 if bit 6 is 0)
	* 10-9 translation type (must be 00 if bit 3 is 0)
	* 00 Phoenix bit-shifting translation
	* 01 LBA-assisted translation
	* 10 reserved
	* 11 proprietary translation
	* ---v3.0---
	* 11 Ultra DMA access enabled
	* 15-12 reserved
	**/

	/*
	* Values for diskette drive type:
	* 01h 360K
	* 02h 1.2M
	* 03h 720K
	* 04h 1.44M
	* 05h ???
	* reportedly an obscure drive type shipped on some IBM machines,
	* 2.88M on some machines (at least AMI 486 BIOS)
	* 06h 2.88M
	* 10h ATAPI Removable Media Device
	*/
	enum diskette_drive_types {
	DISKETTE_360K = 1,
	DISKETTE_1_2M = 2,
	DISKETTE_720K = 3,
	DISKETTE_1_44M = 4,
	DISKETTE_2_88M = 6,
	DISKETTE_ATAPI = 10,
	};

	/**
	* chs_to_lba - compute lba value from cylinder, head and sector number
	**/
	static inline int chs_to_lba(const struct driveinfo *drive_info,
	const unsigned int cylinder,
	const unsigned int head, const unsigned int sector)
	{
	/* Use EDD, if valid */
	if (drive_info->edd_params.sectors_per_track > 0 &&
	drive_info->edd_params.heads > 0)
	return (sector - 1) +
	(head * drive_info->edd_params.sectors_per_track) +
	(cylinder * (drive_info->edd_params.heads) *
	drive_info->edd_params.sectors_per_track);
	else if (drive_info->cbios)
	return (sector - 1) + (head * drive_info->legacy_sectors_per_track) +
	(cylinder * (drive_info->legacy_max_head + 1) *
	drive_info->legacy_sectors_per_track);
	}

	void lba_to_chs(const struct driveinfo *drive_info, const int lba,
	unsigned int cylinder, unsigned int head,
	unsigned int *sector);
	int get_drive_parameters(struct driveinfo *drive_info);

	#endif /* _GEOM_H */