Add micro "disk" layer which should enable us to pull all the slice/label

stuff out of the device drivers.

1 files changed, 35 insertions, 0 deletions

diff --git a/sys/sys/disk.h b/sys/sys/disk.h
new file mode 100644
index 0000000..b292128
--- /dev/null
+++ b/sys/sys/disk.h
@@ -0,0 +1,35 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.ORG> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ *
+ * $FreeBSD$
+ *
+ */
+
+#ifndef _SYS_DISK_H_
+#define	_SYS_DISK_H_
+
+#ifndef _SYS_DISKSLICE_H_
+#include <sys/diskslice.h>
+#endif /* _SYS_DISKSLICE_H_ */
+
+#ifndef _SYS_DISKLABEL
+#include <sys/disklabel.h>
+#endif /* _SYS_DISKLABEL */
+
+struct disk {
+	int			d_opencount;
+	struct cdevsw		*d_devsw;
+	dev_t			d_dev;
+	struct diskslices	*d_slice;
+	struct disklabel	d_label;
+};
+
+dev_t disk_create __P((int unit, struct disk *disk, struct cdevsw *cdevsw));
+void disk_delete __P((dev_t dev));
+
+#endif /* _SYS_DISK_H_ */