/*
- * Copyright (c) 1998-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1998-2006 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>
/*
* 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_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;
+
+#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, 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 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 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)
+ uint8_t reserved0128[16]; /* reserved, clear to zero */
+} dk_discard_t __attribute__ ((deprecated));
-#define DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT _IOR('d', 74, u_int64_t)
-#define DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT _IOR('d', 75, u_int64_t)
+#define DKIOCDISCARD _IOW('d', 31, dk_discard_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 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_ */
projects / apple / xnu.git / blobdiff