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	1	/*
	2	* Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22
	23	#ifndef _SYS_DISK_H_
	24	#define _SYS_DISK_H_
	25
	26	#include <sys/ioctl.h>
	27	#include <sys/types.h>
	28	#include <sys/cdefs.h>
	29
	30	/*
	31	* Definitions
	32	*
	33	* ioctl description
	34	* ------------------------------------- ---------------------------------------
	35	* DKIOCEJECT eject media
	36	* DKIOCSYNCHRONIZECACHE flush media
	37	*
	38	* DKIOCFORMAT format media
	39	* DKIOCGETFORMATCAPACITIES get media's formattable capacities
	40	*
	41	* DKIOCGETBLOCKSIZE get media's block size
	42	* DKIOCGETBLOCKCOUNT get media's block count
	43	* DKIOCGETFIRMWAREPATH get media's firmware path
	44	*
	45	* DKIOCISFORMATTED is media formatted?
	46	* DKIOCISWRITABLE is media writable?
	47	*
	48	* DKIOCGETMAXBLOCKCOUNTREAD get maximum block count for reads
	49	* DKIOCGETMAXBLOCKCOUNTWRITE get maximum block count for writes
	50	* DKIOCGETMAXBYTECOUNTREAD get maximum byte count for reads
	51	* DKIOCGETMAXBYTECOUNTWRITE get maximum byte count for writes
	52	*
	53	* DKIOCGETMAXSEGMENTCOUNTREAD get maximum segment count for reads
	54	* DKIOCGETMAXSEGMENTCOUNTWRITE get maximum segment count for writes
	55	* DKIOCGETMAXSEGMENTBYTECOUNTREAD get maximum segment byte count for reads
	56	* DKIOCGETMAXSEGMENTBYTECOUNTWRITE get maximum segment byte count for writes
	57	*
	58	* DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT get minimum segment alignment in bytes
	59	* DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT get maximum segment width in bits
	60	*/
	61
	62	#pragma pack(4)
	63
	64	typedef struct
	65	{
	66	char path[128];
	67	} dk_firmware_path_t;
	68
	69	typedef struct
	70	{
	71	u_int64_t blockCount;
	72	u_int32_t blockSize;
	73
	74	u_int8_t reserved0096[4]; /* reserved, clear to zero */
	75	} dk_format_capacity_t;
	76
	77	/* LP64todo: not 64-bit clean */
	78	typedef struct
	79	{
	80	dk_format_capacity_t * capacities;
	81	u_int32_t capacitiesCount; /* use zero to probe count */
	82
	83	u_int8_t reserved0064[8]; /* reserved, clear to zero */
	84	} dk_format_capacities_t;
	85
	86	#pragma pack()
	87
	88	#define DKIOCEJECT _IO('d', 21)
	89	#define DKIOCSYNCHRONIZECACHE _IO('d', 22)
	90
	91	#define DKIOCFORMAT _IOW('d', 26, dk_format_capacity_t)
	92	#define DKIOCGETFORMATCAPACITIES _IOWR('d', 26, dk_format_capacities_t)
	93
	94	#define DKIOCGETBLOCKSIZE _IOR('d', 24, u_int32_t)
	95	#define DKIOCGETBLOCKCOUNT _IOR('d', 25, u_int64_t)
	96	#define DKIOCGETFIRMWAREPATH _IOR('d', 28, dk_firmware_path_t)
	97
	98	#define DKIOCISFORMATTED _IOR('d', 23, u_int32_t)
	99	#define DKIOCISWRITABLE _IOR('d', 29, u_int32_t)
	100
	101	#define DKIOCGETMAXBLOCKCOUNTREAD _IOR('d', 64, u_int64_t)
	102	#define DKIOCGETMAXBLOCKCOUNTWRITE _IOR('d', 65, u_int64_t)
	103	#define DKIOCGETMAXBYTECOUNTREAD _IOR('d', 70, u_int64_t)
	104	#define DKIOCGETMAXBYTECOUNTWRITE _IOR('d', 71, u_int64_t)
	105
	106	#define DKIOCGETMAXSEGMENTCOUNTREAD _IOR('d', 66, u_int64_t)
	107	#define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, u_int64_t)
	108	#define DKIOCGETMAXSEGMENTBYTECOUNTREAD _IOR('d', 68, u_int64_t)
	109	#define DKIOCGETMAXSEGMENTBYTECOUNTWRITE _IOR('d', 69, u_int64_t)
	110
	111	#define DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT _IOR('d', 74, u_int64_t)
	112	#define DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT _IOR('d', 75, u_int64_t)
	113
	114	#ifdef KERNEL
	115	#define DKIOCGETBLOCKCOUNT32 _IOR('d', 25, u_int32_t)
	116	#define DKIOCSETBLOCKSIZE _IOW('d', 24, u_int32_t)
	117	#define DKIOCGETBSDUNIT _IOR('d', 27, u_int32_t)
	118	#define DKIOCISVIRTUAL _IOR('d', 72, u_int32_t)
	119	#define DKIOCGETBASE _IOR('d', 73, u_int64_t)
	120	#endif /* KERNEL */
	121
	122	#endif /* _SYS_DISK_H_ */