/* * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #ifndef _IOKIT_SCSI_CMDS_READ_CAPACITY_H_ #define _IOKIT_SCSI_CMDS_READ_CAPACITY_H_ #if KERNEL #include <IOKit/IOTypes.h> #else #include <CoreFoundation/CoreFoundation.h> #endif #pragma mark About this file /* This file contains all the definitions for the data returned from * the READ CAPACITY 10 (0x25) and READ CAPACITY 16 (0x9E). */ enum { kREPORT_CAPACITY_DataSize = 8, kREPORT_CAPACITY_16_DataSize = 32 }; /* NB: These are #defines instead of enums since * enums greater than 32 bits in size are not well-defined * by C99. */ #define kREPORT_CAPACITY_MaximumLBA 0xFFFFFFFFUL #define kREPORT_CAPACITY_16_MaximumLBA 0xFFFFFFFFFFFFFFFFULL /* Capacity return structure for READ CAPACITY 10 */ struct SCSI_Capacity_Data { UInt32 RETURNED_LOGICAL_BLOCK_ADDRESS; UInt32 BLOCK_LENGTH_IN_BYTES; }; typedef struct SCSI_Capacity_Data SCSI_Capacity_Data; /* Capacity return structure for READ CAPACITY 16 */ struct SCSI_Capacity_Data_Long { UInt64 RETURNED_LOGICAL_BLOCK_ADDRESS; UInt32 BLOCK_LENGTH_IN_BYTES; UInt8 RTO_EN_PROT_EN; UInt8 Reserved[19]; }; typedef struct SCSI_Capacity_Data_Long SCSI_Capacity_Data_Long; /* Values for the REFERENCE TAG OWN (RTO_EN) bit in the READ CAPACITY * Long Data structure. */ enum { kREAD_CAPACITY_RTO_Enabled = 0x02, kREAD_CAPACITY_RTO_Disabled = 0x00, kREAD_CAPACITY_RTO_Mask = 0x02 }; /* Values for the PROTECTION INFORMATION (RTO_EN) bit in the READ CAPACITY * Long Data structure. */ enum { kREAD_CAPACITY_PROT_Enabled = 0x01, kREAD_CAPACITY_PROT_Disabled = 0x00, kREAD_CAPACITY_PROT_Mask = 0x01 }; #endif /* _IOKIT_SCSI_CMDS_READ_CAPACITY_H_ */