+#define DKIOCEJECT _IO('d', 21)
+#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)
+
+#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 DKIOCCORESTORAGE _IOR('d', 32, dk_corestorage_info_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)
+
+#define DKIOCGETPROVISIONSTATUS _IOWR('d', 79, dk_provision_status_t)
+
+#define DKIOCGETERRORDESCRIPTION _IOR('d', 80, dk_error_description_t)
+
+#define DKIOCSYNCHRONIZECACHE _IO('d', 22)
+
+#ifdef KERNEL
+#define DK_FEATURE_FORCE_UNIT_ACCESS 0x00000001
+
+#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 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)
+#define DKIOCGETIOMINSATURATIONBYTECOUNT _IOR('d', 88, 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)
+
+typedef enum {
+ DK_APFS_ONE_DEVICE = 1,
+ DK_APFS_FUSION
+} dk_apfs_flavour_t;
+
+#define DKIOCGETAPFSFLAVOUR _IOR('d', 91, dk_apfs_flavour_t)
+
+// Extent's offset and length returned in bytes
+typedef struct dk_apfs_wbc_range {
+ dev_t dev; // Physical device for extents
+ uint32_t count; // Number of extents
+ dk_extent_t extents[2]; // Addresses are relative to device we return
+} dk_apfs_wbc_range_t;
+
+#define DKIOCAPFSGETWBCRANGE _IOR('d', 92, dk_apfs_wbc_range_t)
+#define DKIOCAPFSRELEASEWBCRANGE _IO('d', 93)
+
+#define DKIOCGETMAXSWAPWRITE _IOR('d', 94, uint64_t)
+
+#endif /* PRIVATE */
+#endif /* KERNEL */
+
+#ifdef PRIVATE
+#if TARGET_OS_EMBEDDED
+#define _DKIOCSETSTATIC _IO('d', 84)
+#endif /* TARGET_OS_EMBEDDED */
+#endif /* PRIVATE */
+
+#endif /* _SYS_DISK_H_ */