summaryrefslogtreecommitdiffstats
path: root/klaptopdaemon/linux/ftl.h
diff options
context:
space:
mode:
Diffstat (limited to 'klaptopdaemon/linux/ftl.h')
-rw-r--r--klaptopdaemon/linux/ftl.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/klaptopdaemon/linux/ftl.h b/klaptopdaemon/linux/ftl.h
new file mode 100644
index 0000000..9357d17
--- /dev/null
+++ b/klaptopdaemon/linux/ftl.h
@@ -0,0 +1,62 @@
+/*
+ * ftl.h 1.4 1998/05/10 12:10:34
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License
+ * at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dhinds@hyper.stanford.edu>. Portions created by David A. Hinds
+ * are Copyright (C) 1998 David A. Hinds. All Rights Reserved.
+ */
+
+#ifndef _LINUX_FTL_H
+#define _LINUX_FTL_H
+
+typedef struct erase_unit_header_t {
+ u_char LinkTargetTuple[5];
+ u_char DataOrgTuple[10];
+ u_char NumTransferUnits;
+ u_int EraseCount;
+ u_short LogicalEUN;
+ u_char BlockSize;
+ u_char EraseUnitSize;
+ u_short FirstPhysicalEUN;
+ u_short NumEraseUnits;
+ u_int FormattedSize;
+ u_int FirstVMAddress;
+ u_short NumVMPages;
+ u_char Flags;
+ u_char Code;
+ u_int SerialNumber;
+ u_int AltEUHOffset;
+ u_int BAMOffset;
+ u_char Reserved[12];
+ u_char EndTuple[2];
+} erase_unit_header_t;
+
+/* Flags in erase_unit_header_t */
+#define HIDDEN_AREA 0x01
+#define REVERSE_POLARITY 0x02
+#define DOUBLE_BAI 0x04
+
+/* Definitions for block allocation information */
+
+#define BLOCK_FREE(b) ((b) == 0xffffffff)
+#define BLOCK_DELETED(b) (((b) == 0) || ((b) == 0xfffffffe))
+
+#define BLOCK_TYPE(b) ((b) & 0x7f)
+#define BLOCK_ADDRESS(b) ((b) & ~0x7f)
+#define BLOCK_NUMBER(b) ((b) >> 9)
+#define BLOCK_CONTROL 0x30
+#define BLOCK_DATA 0x40
+#define BLOCK_REPLACEMENT 0x60
+#define BLOCK_BAD 0x70
+
+#endif /* _LINUX_FTL_H */