xnu-517.3.15.tar.gz

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

diff --git a/bsd/sys/disk.h b/bsd/sys/disk.h
index 8edb0f368c1cd8bae8f6cabad5ab4cc8f220de83..20381118175aae25a5aece332eefb0547cededac 100644 (file)
--- a/bsd/sys/disk.h
+++ b/bsd/sys/disk.h
@@ -29,33 +29,82 @@
 #include <sys/ioctl.h>
 #include <sys/types.h>
 
+/*
+ * Definitions
+ *
+ * ioctl                            description
+ * -------------------------------- --------------------------------------------
+ * DKIOCEJECT                       eject media
+ * DKIOCSYNCHRONIZECACHE            flush media
+ *
+ * DKIOCFORMAT                      format media
+ * DKIOCGETFORMATCAPACITIES         get media's formattable capacities
+ *
+ * DKIOCGETBLOCKSIZE                get media's block size
+ * DKIOCGETBLOCKCOUNT               get media's block count
+ * DKIOCGETFIRMWAREPATH             get media's firmware path
+ *
+ * DKIOCISFORMATTED                 is media formatted?
+ * DKIOCISWRITABLE                  is media writable?
+ *
+ * DKIOCGETMAXBLOCKCOUNTREAD        get maximum block count for reads
+ * DKIOCGETMAXBLOCKCOUNTWRITE       get maximum block count for writes
+ * DKIOCGETMAXBYTECOUNTREAD         get maximum byte count for reads
+ * DKIOCGETMAXBYTECOUNTWRITE        get maximum byte count for writes
+ * DKIOCGETMAXSEGMENTCOUNTREAD      get maximum segment count for reads
+ * DKIOCGETMAXSEGMENTCOUNTWRITE     get maximum segment count for writes
+ * DKIOCGETMAXSEGMENTBYTECOUNTREAD  get maximum segment byte count for reads
+ * DKIOCGETMAXSEGMENTBYTECOUNTWRITE get maximum segment byte count for writes
+ */
+
 typedef struct
 {
     char path[128];
 } dk_firmware_path_t;
 
-#define DKIOCEJECT                   _IO('d', 21)
-#define DKIOCSYNCHRONIZECACHE        _IO('d', 22)
+typedef struct
+{
+    u_int64_t              blockCount;
+    u_int32_t              blockSize;
+
+    u_int8_t               reserved0096[4];        /* reserved, clear to zero */
+} dk_format_capacity_t;
+
+typedef struct
+{
+    dk_format_capacity_t * capacities;
+    u_int32_t              capacitiesCount;        /* use zero to probe count */
+
+    u_int8_t               reserved0064[8];        /* reserved, clear to zero */
+} dk_format_capacities_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 DKIOCGETBLOCKCOUNT32         _IOR('d', 25, u_int32_t)
-#define DKIOCGETFIRMWAREPATH         _IOR('d', 28, dk_firmware_path_t)
+#define DKIOCGETBLOCKSIZE                _IOR('d', 24, u_int32_t)
+#define DKIOCGETBLOCKCOUNT               _IOR('d', 25, u_int64_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, u_int32_t)
+#define DKIOCISWRITABLE                  _IOR('d', 29, u_int32_t)
 
-#define DKIOCGETMAXBLOCKCOUNTREAD    _IOR('d', 64, u_int64_t)
-#define DKIOCGETMAXBLOCKCOUNTWRITE   _IOR('d', 65, u_int64_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 DKIOCGETMAXSEGMENTCOUNTREAD  _IOR('d', 66, u_int64_t)
-#define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, u_int64_t)
+#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)
 
 #ifdef KERNEL
-#define DKIOCSETBLOCKSIZE            _IOW('d', 24, u_int32_t)
+#define DKIOCGETISVIRTUAL                _IOR('d', 72, u_int32_t)
+#define DKIOCGETBLOCKCOUNT32             _IOR('d', 25, u_int32_t)
+#define DKIOCSETBLOCKSIZE                _IOW('d', 24, u_int32_t)
+#define DKIOCGETBSDUNIT                  _IOR('d', 27, u_int32_t)
 #endif /* KERNEL */
 
 #endif /* _SYS_DISK_H_ */