X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..060df5ea7c632b1ac8cc8aac1fb59758165c2084:/bsd/sys/disk.h diff --git a/bsd/sys/disk.h b/bsd/sys/disk.h index 74b269c58..0232617ca 100644 --- a/bsd/sys/disk.h +++ b/bsd/sys/disk.h @@ -1,54 +1,172 @@ /* - * Copyright (c) 1998-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * 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. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * 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@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _SYS_DISK_H_ #define _SYS_DISK_H_ +#include #include -#include + +/* + * Definitions + * + * ioctl description + * ------------------------------------- --------------------------------------- + * DKIOCEJECT eject media + * DKIOCSYNCHRONIZECACHE flush media + * + * DKIOCFORMAT format media + * DKIOCGETFORMATCAPACITIES get media's formattable capacities + * + * DKIOCGETBLOCKSIZE get media's block size + * DKIOCGETBLOCKCOUNT get media's block count + * DKIOCGETFIRMWAREPATH get media's firmware path + * + * DKIOCISFORMATTED is media formatted? + * DKIOCISWRITABLE is media writable? + * + * DKIOCREQUESTIDLE idle media + * DKIOCUNMAP delete unused data + * + * DKIOCGETMAXBLOCKCOUNTREAD get maximum block count for reads + * DKIOCGETMAXBLOCKCOUNTWRITE get maximum block count for writes + * DKIOCGETMAXBYTECOUNTREAD get maximum byte count for reads + * DKIOCGETMAXBYTECOUNTWRITE get maximum byte count for writes + * + * DKIOCGETMAXSEGMENTCOUNTREAD get maximum segment count for reads + * DKIOCGETMAXSEGMENTCOUNTWRITE get maximum segment count for writes + * DKIOCGETMAXSEGMENTBYTECOUNTREAD get maximum segment byte count for reads + * DKIOCGETMAXSEGMENTBYTECOUNTWRITE get maximum segment byte count for writes + * + * DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT get minimum segment alignment in bytes + * DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT get maximum segment width in bits + * + * DKIOCGETFEATURES get device's feature set + * DKIOCGETPHYSICALBLOCKSIZE get device's block size + * DKIOCGETCOMMANDPOOLSIZE get device's queue depth + */ + +#define DK_FEATURE_UNMAP 0x00000010 + +typedef struct +{ + uint64_t offset; + uint64_t length; +} dk_extent_t; typedef struct { - char path[128]; + char path[128]; } dk_firmware_path_t; -#define DKIOCEJECT _IO('d', 21) -#define DKIOCSYNCHRONIZECACHE _IO('d', 22) +typedef struct +{ + uint64_t blockCount; + uint32_t blockSize; + + uint8_t reserved0096[4]; /* reserved, clear to zero */ +} dk_format_capacity_t; -#define DKIOCGETBLOCKSIZE _IOR('d', 24, u_int32_t) -#define DKIOCGETBLOCKCOUNT _IOR('d', 25, u_int64_t) -#define DKIOCGETBLOCKCOUNT32 _IOR('d', 25, u_int32_t) -#define DKIOCGETFIRMWAREPATH _IOR('d', 28, dk_firmware_path_t) +typedef struct +{ + dk_format_capacity_t * capacities; + uint32_t capacitiesCount; /* use zero to probe count */ + +#ifdef __LP64__ + uint8_t reserved0096[4]; /* reserved, clear to zero */ +#else /* !__LP64__ */ + uint8_t reserved0064[8]; /* reserved, clear to zero */ +#endif /* !__LP64__ */ +} dk_format_capacities_t; + +typedef struct +{ + dk_extent_t * extents; + uint32_t extentsCount; + +#ifdef __LP64__ + uint8_t reserved0096[4]; /* reserved, clear to zero */ +#else /* !__LP64__ */ + uint8_t reserved0064[8]; /* reserved, clear to zero */ +#endif /* !__LP64__ */ +} dk_unmap_t; + +#define DKIOCEJECT _IO('d', 21) +#define DKIOCSYNCHRONIZECACHE _IO('d', 22) + +#define DKIOCFORMAT _IOW('d', 26, dk_format_capacity_t) +#define DKIOCGETFORMATCAPACITIES _IOWR('d', 26, dk_format_capacities_t) + +#define DKIOCGETBLOCKSIZE _IOR('d', 24, uint32_t) +#define DKIOCGETBLOCKCOUNT _IOR('d', 25, uint64_t) +#define DKIOCGETFIRMWAREPATH _IOR('d', 28, dk_firmware_path_t) + +#define DKIOCISFORMATTED _IOR('d', 23, uint32_t) +#define DKIOCISWRITABLE _IOR('d', 29, uint32_t) + +#define DKIOCREQUESTIDLE _IO('d', 30) +#define DKIOCUNMAP _IOW('d', 31, dk_unmap_t) + +#define DKIOCGETMAXBLOCKCOUNTREAD _IOR('d', 64, uint64_t) +#define DKIOCGETMAXBLOCKCOUNTWRITE _IOR('d', 65, uint64_t) +#define DKIOCGETMAXBYTECOUNTREAD _IOR('d', 70, uint64_t) +#define DKIOCGETMAXBYTECOUNTWRITE _IOR('d', 71, uint64_t) + +#define DKIOCGETMAXSEGMENTCOUNTREAD _IOR('d', 66, uint64_t) +#define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, uint64_t) +#define DKIOCGETMAXSEGMENTBYTECOUNTREAD _IOR('d', 68, uint64_t) +#define DKIOCGETMAXSEGMENTBYTECOUNTWRITE _IOR('d', 69, uint64_t) + +#define DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT _IOR('d', 74, uint64_t) +#define DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT _IOR('d', 75, uint64_t) + +#define DKIOCGETFEATURES _IOR('d', 76, uint32_t) +#define DKIOCGETPHYSICALBLOCKSIZE _IOR('d', 77, uint32_t) +#define DKIOCGETCOMMANDPOOLSIZE _IOR('d', 78, uint32_t) + +typedef struct +{ + uint64_t offset; + uint64_t length; -#define DKIOCISFORMATTED _IOR('d', 23, u_int32_t) -#define DKIOCISWRITABLE _IOR('d', 29, u_int32_t) + uint8_t reserved0128[16]; /* reserved, clear to zero */ +} dk_discard_t __attribute__ ((deprecated)); -#define DKIOCGETMAXBLOCKCOUNTREAD _IOR('d', 64, u_int64_t) -#define DKIOCGETMAXBLOCKCOUNTWRITE _IOR('d', 65, u_int64_t) -#define DKIOCGETMAXSEGMENTCOUNTREAD _IOR('d', 66, u_int64_t) -#define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, u_int64_t) +#define DKIOCDISCARD _IOW('d', 31, dk_discard_t) #ifdef KERNEL -#define DKIOCSETBLOCKSIZE _IOW('d', 24, u_int32_t) +#define DK_FEATURE_FORCE_UNIT_ACCESS 0x00000001 +#define DKIOCGETBLOCKCOUNT32 _IOR('d', 25, uint32_t) +#define DKIOCSETBLOCKSIZE _IOW('d', 24, uint32_t) +#define DKIOCGETBSDUNIT _IOR('d', 27, uint32_t) +#define DKIOCISSOLIDSTATE _IOR('d', 79, uint32_t) +#define DKIOCISVIRTUAL _IOR('d', 72, uint32_t) +#define DKIOCGETBASE _IOR('d', 73, uint64_t) #endif /* KERNEL */ #endif /* _SYS_DISK_H_ */