xnu-1504.15.3.tar.gz

[apple/xnu.git] / bsd / sys / disk.h

diff --git a/bsd/sys/disk.h b/bsd/sys/disk.h
index 648ec9c9bea8d53f2af9d99cb2663320f968ee7e..0232617caec8be96ddd47319f68726d68dd386a3 100644 (file)
--- a/bsd/sys/disk.h
+++ b/bsd/sys/disk.h
@@ -1,5 +1,5 @@
 /*
 /*

- * 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@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -29,9 +29,8 @@
 #ifndef        _SYS_DISK_H_
 #define        _SYS_DISK_H_
 
 #ifndef        _SYS_DISK_H_
 #define        _SYS_DISK_H_
 

+#include <stdint.h>

 #include <sys/ioctl.h>
 #include <sys/ioctl.h>

-#include <sys/types.h>
-#include <sys/cdefs.h>

 
 /*
  * Definitions
 
 /*
  * Definitions


@@ -51,6 +50,9 @@
  * DKIOCISFORMATTED                      is media formatted?
  * DKIOCISWRITABLE                       is media writable?
  *
  * 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
  * DKIOCGETMAXBLOCKCOUNTREAD             get maximum block count for reads
  * DKIOCGETMAXBLOCKCOUNTWRITE            get maximum block count for writes
  * DKIOCGETMAXBYTECOUNTREAD              get maximum byte count for reads


@@ -63,33 +65,56 @@
  *
  * DKIOCGETMINSEGMENTALIGNMENTBYTECOUNT  get minimum segment alignment in bytes
  * DKIOCGETMAXSEGMENTADDRESSABLEBITCOUNT get maximum segment width in bits
  *
  * 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
 {
 
 typedef struct
 {

-    char path[128];
+    char                   path[128];

 } dk_firmware_path_t;
 
 typedef struct
 {
 } 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;
 
 } dk_format_capacity_t;
 

-/* LP64todo: not 64-bit clean */

 typedef struct
 {
     dk_format_capacity_t * capacities;
 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;
 
 } 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 DKIOCEJECT                            _IO('d', 21)
 #define DKIOCSYNCHRONIZECACHE                 _IO('d', 22)


@@ -97,32 +122,51 @@ typedef struct
 #define DKIOCFORMAT                           _IOW('d', 26, dk_format_capacity_t)
 #define DKIOCGETFORMATCAPACITIES              _IOWR('d', 26, dk_format_capacities_t)
 
 #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 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
 
 #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_ */
 #endif /* KERNEL */
 
 #endif /* _SYS_DISK_H_ */