xnu-344.tar.gz

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

diff --git a/bsd/dev/disk.h b/bsd/dev/disk.h
index ef8b7504e276d7a2518e6b2a3dbba932d2132ba6..f174e4ef196ba932fd587ad6e8923c68bcb3f249 100644 (file)
--- a/bsd/dev/disk.h
+++ b/bsd/dev/disk.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -21,44 +21,12 @@
  */
 /*     @(#)disk.h      1.0     08/29/87        (c) 1987 NeXT   */
 
-/* 
- * HISTORY
- * 28-Mar-92  Doug Mitchell
- *     Moved disk_label struct to <bsd/dev/disk_label.h>.
- *
- * 22-May-91  Gregg Kellogg (gk) at NeXT
- *     Split out public interface.
- *
- * 20-Jul-90  Doug Mitchell
- *     Added DKIOCSFORMAT, DKIOCGFORMAT
- *
- * 16-Apr-90  Doug Mitchell at NeXT
- *     Added DKIOCPANELPRT.
- *
- * 25-Mar-90  John Seamons (jks) at NeXT
- *     Removed obsolete DKIOCNOTIFY and DKIOCINSERT.
- *
- * 23-Mar-90  Doug Mitchell
- *     Added DKIOCEJECT.
- * 
- * 14-Feb-90  Doug Mitchell at NeXT
- *     Added DKIOCMNOTIFY.
- *
- * 16-Mar-88  John Seamons (jks) at NeXT
- *     Cleaned up to support standard disk label definitions.
- *
- * 24-Feb-88  Mike DeMoney (mike) at NeXT
- *     Added defines for dl_bootfile and dl_boot0_blkno.
- *     Reduced NBAD to allow for these entries in disktab.
- *
- * 29-Aug-87  John Seamons (jks) at NeXT
- *     Created.
- *
- */
-
 #ifndef        _BSD_DEV_DISK_
 #define        _BSD_DEV_DISK_
+#ifndef        _SYS_DISK_H_
+#define        _SYS_DISK_H_
 
+#include <sys/appleapiopts.h>
 #include <mach/machine/vm_types.h>
 #include <mach/machine/boolean.h>
 #include <sys/types.h>
@@ -66,6 +34,12 @@
 #include <sys/time.h>
 #include <dev/disk_label.h>
 
+/*
+ * USE <sys/disk.h> INSTEAD (NOTE: DKIOCGETBLOCKCOUNT -> DKIOCGETBLOCKCOUNT32)
+ */
+
+#ifdef __APPLE_API_OBSOLETE
+
 #define        DR_CMDSIZE      32
 #define        DR_ERRSIZE      32
 
@@ -156,9 +130,18 @@ struct drive_location {
 #define DKIOCGLOCATION _IOR('d',28, struct drive_location)     /* arch dependent location descrip */
 #define DKIOCSETBLOCKSIZE   _IOW('d', 24, int)  /* set media's preferred sector size */
 #define DKIOCGETBLOCKSIZE   DKIOCBLKSIZE        /* get media's preferred sector size */
-#define DKIOCGETBLOCKCOUNT  DKIOCNUMBLKS        /* get media's sector count */
+#define DKIOCGETBLOCKCOUNT32   DKIOCNUMBLKS    /* get media's sector count */
+#define DKIOCGETBLOCKCOUNT64   _IOR('d', 25, u_int64_t) /* get media's sector count */
 #define DKIOCGETLOCATION    DKIOCGLOCATION      /* get media's location description */
 #define DKIOCISFORMATTED    DKIOCGFORMAT        /* is media formatted? */
 #define DKIOCISWRITABLE     _IOR('d', 29, int)  /* is media writable? */
-#endif /* _BSD_DEV_DISK_ */
 
+#define DKIOCGETMAXBLOCKCOUNTREAD    _IOR('d', 64, u_int64_t) /* get device's maximum block count for read requests */
+#define DKIOCGETMAXBLOCKCOUNTWRITE   _IOR('d', 65, u_int64_t) /* get device's maximum block count for write requests */
+#define DKIOCGETMAXSEGMENTCOUNTREAD  _IOR('d', 66, u_int64_t) /* get device's maximum physical segment count for read buffers */
+#define DKIOCGETMAXSEGMENTCOUNTWRITE _IOR('d', 67, u_int64_t) /* get device's maximum physical segment count for write buffers */
+
+#endif /* __APPLE_API_OBSOLETE */
+
+#endif /* _SYS_DISK_H_ */
+#endif /* _BSD_DEV_DISK_ */