xnu-4903.221.2.tar.gz

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

diff --git a/bsd/sys/fsctl.h b/bsd/sys/fsctl.h
index 8a3624d3b7329d77e91675dd740f3c523b6c402b..eafcb9b45307463993a8f0d2d53ab340ccddc073 100644 (file)
--- a/bsd/sys/fsctl.h
+++ b/bsd/sys/fsctl.h
@@ -251,6 +251,13 @@ typedef struct disk_conditioner_info {
   uint64_t read_throughput_mbps; // maximum throughput for reads
   uint64_t write_throughput_mbps; // maximum throughput for writes
   int is_ssd; // behave like an SSD
+
+  /* revision 2 */
+  uint32_t ioqueue_depth;
+  uint32_t maxreadcnt;
+  uint32_t maxwritecnt;
+  uint32_t segreadcnt;
+  uint32_t segwritecnt;
 } disk_conditioner_info;
 
 #define        FSCTL_SYNC_FULLSYNC     (1<<0)  /* Flush the data fully to disk, if supported by the filesystem */
@@ -328,6 +335,14 @@ typedef struct disk_conditioner_info {
 #define SPOTLIGHT_IOC_GET_LAST_MTIME             _IOR('h', 19, u_int32_t)
 #define SPOTLIGHT_FSCTL_GET_LAST_MTIME           IOCBASECMD(SPOTLIGHT_IOC_GET_LAST_MTIME)
 
+/* Mark file's extents as "frozen" because someone has references to physical address */
+#define FSIOC_FREEZE_EXTENTS                           _IO('h', 20)
+#define FSCTL_FREEZE_EXTENTS                           IOCBASECMD(FSIOC_FREEZE_EXTENTS)
+
+/* Clear the "frozen" status of file's extents */
+#define FSIOC_THAW_EXTENTS                             _IO('h', 21)
+#define FSCTL_THAW_EXTENTS                             IOCBASECMD(FSIOC_THAW_EXTENTS)
+
 #ifndef KERNEL
 
 #include <sys/cdefs.h>