X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/c910b4d9d2451126ae3917b931cd4390c11e1d52..490019cf9519204c5fb36b2fba54ceb983bb6b72:/bsd/sys/disk.h?ds=inline diff --git a/bsd/sys/disk.h b/bsd/sys/disk.h index 348253107..6a4718016 100644 --- a/bsd/sys/disk.h +++ b/bsd/sys/disk.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998-2006 Apple Computer, Inc. All rights reserved. + * Copyright (c) 1998-2014 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * @@ -32,13 +32,17 @@ #include #include +#ifdef XNU_KERNEL_PRIVATE +#include +#endif /* XNU_KERNEL_PRIVATE */ + /* * Definitions * * ioctl description * ------------------------------------- --------------------------------------- * DKIOCEJECT eject media - * DKIOCSYNCHRONIZECACHE flush media + * DKIOCSYNCHRONIZE flush media * * DKIOCFORMAT format media * DKIOCGETFORMATCAPACITIES get media's formattable capacities @@ -51,7 +55,7 @@ * DKIOCISWRITABLE is media writable? * * DKIOCREQUESTIDLE idle media - * DKIOCDISCARD delete unused data + * DKIOCUNMAP delete unused data * * DKIOCGETMAXBLOCKCOUNTREAD get maximum block count for reads * DKIOCGETMAXBLOCKCOUNTWRITE get maximum block count for writes @@ -66,16 +70,22 @@ * 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_BARRIER 0x00000002 +#define DK_FEATURE_PRIORITY 0x00000004 +#define DK_FEATURE_UNMAP 0x00000010 + +#define DK_SYNCHRONIZE_OPTION_BARRIER 0x00000002 + typedef struct { uint64_t offset; uint64_t length; - - uint8_t reserved0128[16]; /* reserved, clear to zero */ -} dk_discard_t; +} dk_extent_t; typedef struct { @@ -102,8 +112,55 @@ typedef struct #endif /* !__LP64__ */ } dk_format_capacities_t; +typedef struct +{ + uint64_t offset; + uint64_t length; + + uint32_t options; + + uint8_t reserved0160[4]; /* reserved, clear to zero */ +} dk_synchronize_t; + +typedef struct +{ + dk_extent_t * extents; + uint32_t extentsCount; + + uint32_t options; + +#ifndef __LP64__ + uint8_t reserved0096[4]; /* reserved, clear to zero */ +#endif /* !__LP64__ */ +} dk_unmap_t; + + +typedef struct +{ + uint64_t flags; + uint64_t hotfile_size; /* in bytes */ + uint64_t hibernate_minsize; + uint64_t swapfile_pinning; + + uint64_t padding[4]; +} dk_corestorage_info_t; + +#define DK_CORESTORAGE_PIN_YOUR_METADATA 0x00000001 +#define DK_CORESTORAGE_ENABLE_HOTFILES 0x00000002 +#define DK_CORESTORAGE_PIN_YOUR_SWAPFILE 0x00000004 + + +#ifdef KERNEL +#ifdef PRIVATE + +/* Definitions of option bits for dk_unmap_t */ +#define _DK_UNMAP_INITIALIZE 0x00000100 + +#endif /* PRIVATE */ +#endif /* KERNEL */ + #define DKIOCEJECT _IO('d', 21) -#define DKIOCSYNCHRONIZECACHE _IO('d', 22) +#define DKIOCSYNCHRONIZE _IOW('d', 22, dk_synchronize_t) #define DKIOCFORMAT _IOW('d', 26, dk_format_capacity_t) #define DKIOCGETFORMATCAPACITIES _IOWR('d', 26, dk_format_capacities_t) @@ -116,7 +173,8 @@ typedef struct #define DKIOCISWRITABLE _IOR('d', 29, uint32_t) #define DKIOCREQUESTIDLE _IO('d', 30) -#define DKIOCDISCARD _IOW('d', 31, dk_discard_t) +#define DKIOCUNMAP _IOW('d', 31, dk_unmap_t) +#define DKIOCCORESTORAGE _IOR('d', 32, dk_corestorage_info_t) #define DKIOCGETMAXBLOCKCOUNTREAD _IOR('d', 64, uint64_t) #define DKIOCGETMAXBLOCKCOUNTWRITE _IOR('d', 65, uint64_t) @@ -131,17 +189,112 @@ typedef struct #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) + +#define DKIOCSYNCHRONIZECACHE _IO('d', 22) #ifdef KERNEL -#define DK_FEATURE_DISCARD 0x00000010 #define DK_FEATURE_FORCE_UNIT_ACCESS 0x00000001 -#define DKIOCGETBLOCKCOUNT32 _IOR('d', 25, uint32_t) + +#define DK_ENCRYPTION_TYPE_AES_CBC 1 +#define DK_ENCRYPTION_TYPE_AES_XEX 2 +#define DK_ENCRYPTION_TYPE_AES_XTS 3 + +#define DK_TIER_MASK 0xC0 +#define DK_TIER_SHIFT 6 + +#define DK_TIER_TO_PRIORITY(tier) (((tier) << DK_TIER_SHIFT) | ~DK_TIER_MASK) +#define DK_PRIORITY_TO_TIER(priority) ((priority) >> DK_TIER_SHIFT) + +typedef struct +{ + uint64_t offset; + uint64_t length; + + uint8_t reserved0128[12]; /* reserved, clear to zero */ + + dev_t dev; +} dk_physical_extent_t; + +typedef struct +{ + dk_extent_t * extents; + uint32_t extentsCount; + + uint8_t tier; + +#ifdef __LP64__ + uint8_t reserved0104[3]; /* reserved, clear to zero */ +#else /* !__LP64__ */ + uint8_t reserved0072[7]; /* reserved, clear to zero */ +#endif /* !__LP64__ */ +} dk_set_tier_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) -#define DKIOCGETFEATURES _IOR('d', 76, uint32_t) +#define DKIOCGETTHROTTLEMASK _IOR('d', 80, uint64_t) +#define DKIOCLOCKPHYSICALEXTENTS _IO('d', 81) +#define DKIOCGETPHYSICALEXTENT _IOWR('d', 82, dk_physical_extent_t) +#define DKIOCUNLOCKPHYSICALEXTENTS _IO('d', 83) +#define DKIOCSETTIER _IOW('d', 85, dk_set_tier_t) +#define DKIOCGETENCRYPTIONTYPE _IOR('d', 86, uint32_t) +#define DKIOCISLOWPOWERMODE _IOR('d', 87, uint32_t) + +#ifdef XNU_KERNEL_PRIVATE +typedef struct +{ + boolean_t mi_mdev; /* Is this a memdev device? */ + boolean_t mi_phys; /* Physical memory? */ + uint32_t mi_base; /* Base page number of the device? */ + uint64_t mi_size; /* Size of the device (in ) */ +} dk_memdev_info_t; + +typedef dk_memdev_info_t memdev_info_t; + +#define DKIOCGETMEMDEVINFO _IOR('d', 90, dk_memdev_info_t) +#endif /* XNU_KERNEL_PRIVATE */ +#ifdef PRIVATE +typedef struct _dk_cs_pin { + dk_extent_t cp_extent; + int64_t cp_flags; +} _dk_cs_pin_t; +/* The following are modifiers to _DKIOCCSPINEXTENT/cp_flags operation */ +#define _DKIOCCSPINTOFASTMEDIA (0) /* Pin extent to the fast (SSD) media */ +#define _DKIOCCSPINFORHIBERNATION (1 << 0) /* Pin of hibernation file, content not preserved */ +#define _DKIOCCSPINDISCARDBLACKLIST (1 << 1) /* Hibernation complete/error, stop blacklisting */ +#define _DKIOCCSPINTOSLOWMEDIA (1 << 2) /* Pin extent to the slow (HDD) media */ +#define _DKIOCCSTEMPORARYPIN (1 << 3) /* Relocate, but do not pin, to indicated media */ +#define _DKIOCCSHIBERNATEIMGSIZE (1 << 4) /* Anticipate/Max size of the upcoming hibernate */ +#define _DKIOCCSPINFORSWAPFILE (1 << 5) /* Pin of swap file, content not preserved */ + +#define _DKIOCCSSETLVNAME _IOW('d', 198, char[256]) +#define _DKIOCCSPINEXTENT _IOW('d', 199, _dk_cs_pin_t) +#define _DKIOCCSUNPINEXTENT _IOW('d', 200, _dk_cs_pin_t) +#define _DKIOCGETMIGRATIONUNITBYTESIZE _IOR('d', 201, uint32_t) + +typedef struct _dk_cs_map { + dk_extent_t cm_extent; + uint64_t cm_bytes_mapped; +} _dk_cs_map_t; + +typedef struct _dk_cs_unmap { + dk_extent_t *extents; + uint32_t extentsCount; + uint32_t options; +} _dk_cs_unmap_t; + +#define _DKIOCCSMAP _IOWR('d', 202, _dk_cs_map_t) +// No longer used: _DKIOCCSSETFSVNODE (203) & _DKIOCCSGETFREEBYTES (204) +#define _DKIOCCSUNMAP _IOWR('d', 205, _dk_cs_unmap_t) +#endif /* PRIVATE */ #endif /* KERNEL */ +#ifdef PRIVATE +#endif /* PRIVATE */ + #endif /* _SYS_DISK_H_ */