/*
- * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2014 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#ifndef _SYS_DISK_H_
#define _SYS_DISK_H_
+#include <stdint.h>
#include <sys/ioctl.h>
-#include <sys/types.h>
-#include <sys/cdefs.h>
+
+#ifdef XNU_KERNEL_PRIVATE
+#include <mach/boolean.h>
+#endif /* XNU_KERNEL_PRIVATE */
/*
* Definitions
* 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
*
* 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
*/
-#pragma pack(4)
+#define DK_FEATURE_PRIORITY 0x00000004
+#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;
typedef struct
{
- u_int64_t blockCount;
- u_int32_t blockSize;
+ uint64_t blockCount;
+ uint32_t blockSize;
- u_int8_t reserved0096[4]; /* reserved, clear to zero */
+ uint8_t reserved0096[4]; /* reserved, clear to zero */
} dk_format_capacity_t;
-/* LP64todo: not 64-bit clean */
typedef struct
{
dk_format_capacity_t * capacities;
- u_int32_t capacitiesCount; /* use zero to probe count */
+ uint32_t capacitiesCount; /* use zero to probe count */
- u_int8_t reserved0064[8]; /* reserved, clear to zero */
+#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;
-#pragma pack()
+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;
+
+
+#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 DKIOCFORMAT _IOW('d', 26, dk_format_capacity_t)
#define DKIOCGETFORMATCAPACITIES _IOWR('d', 26, dk_format_capacities_t)
-#define DKIOCGETBLOCKSIZE _IOR('d', 24, u_int32_t)
-#define DKIOCGETBLOCKCOUNT _IOR('d', 25, u_int64_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, u_int32_t)
-#define DKIOCISWRITABLE _IOR('d', 29, u_int32_t)
+#define DKIOCISFORMATTED _IOR('d', 23, uint32_t)
+#define DKIOCISWRITABLE _IOR('d', 29, uint32_t)
-#define DKIOCGETMAXBLOCKCOUNTREAD _IOR('d', 64, u_int64_t)
-#define DKIOCGETMAXBLOCKCOUNTWRITE _IOR('d', 65, u_int64_t)
-#define DKIOCGETMAXBYTECOUNTREAD _IOR('d', 70, u_int64_t)
-#define DKIOCGETMAXBYTECOUNTWRITE _IOR('d', 71, u_int64_t)
+#define DKIOCREQUESTIDLE _IO('d', 30)
+#define DKIOCUNMAP _IOW('d', 31, dk_unmap_t)
+#define _DKIOCCORESTORAGE _IO('d', 32)
-#define DKIOCGETMAXSEGMENTCOUNTREAD _IOR('d', 66, u_int64_t)
-#define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, u_int64_t)
-#define DKIOCGETMAXSEGMENTBYTECOUNTREAD _IOR('d', 68, u_int64_t)
-#define DKIOCGETMAXSEGMENTBYTECOUNTWRITE _IOR('d', 69, u_int64_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 DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT _IOR('d', 74, u_int64_t)
-#define DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT _IOR('d', 75, u_int64_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)
#ifdef KERNEL
-#define DKIOCGETBLOCKCOUNT32 _IOR('d', 25, u_int32_t)
-#define DKIOCSETBLOCKSIZE _IOW('d', 24, u_int32_t)
-#define DKIOCGETBSDUNIT _IOR('d', 27, u_int32_t)
-#define DKIOCISVIRTUAL _IOR('d', 72, u_int32_t)
-#define DKIOCGETBASE _IOR('d', 73, u_int64_t)
+#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 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)
+#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;
+#define _DKIOCCSPINFORHIBERNATION (1 << 0)
+#define _DKIOCCSPINDISCARDBLACKLIST (1 << 1)
+#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)
+#define _DKIOCCSSETFSVNODE _IOW('d', 203, vnode_t)
+#define _DKIOCCSGETFREEBYTES _IOR('d', 204, uint64_t)
+#define _DKIOCCSUNMAP _IOWR('d', 205, _dk_cs_unmap_t)
+#endif /* PRIVATE */
#endif /* KERNEL */
+#ifdef PRIVATE
+#endif /* PRIVATE */
+
#endif /* _SYS_DISK_H_ */