X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..765c9de3b4af7c2078d16a03812ae2c7c2b24938:/bsd/dev/disk.h?ds=inline

diff --git a/bsd/dev/disk.h b/bsd/dev/disk.h
index ef8b7504e..6431ff276 100644
--- a/bsd/dev/disk.h
+++ b/bsd/dev/disk.h
@@ -160,5 +160,10 @@ struct drive_location {
 #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	/* _BSD_DEV_DISK_ */