Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / mtd / ftl.h

diff --git a/kernel/include/linux/mtd/ftl.h b/kernel/include/linux/mtd/ftl.h
new file mode 100644 (file)
index 0000000..0555f7a
--- /dev/null
+++ b/kernel/include/linux/mtd/ftl.h
@@ -0,0 +1,74 @@
+/*
+ * Derived from (and probably identical to):
+ * ftl.h 1.7 1999/10/25 20:23:17
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (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
+ * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
+ *
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License version 2 (the "GPL"), in
+ * which case the provisions of the GPL are applicable instead of the
+ * above.  If you wish to allow the use of your version of this file
+ * only under the terms of the GPL and not to allow others to use
+ * your version of this file under the MPL, indicate your decision by
+ * deleting the provisions above and replace them with the notice and
+ * other provisions required by the GPL.  If you do not delete the
+ * provisions above, a recipient may use your version of this file
+ * under either the MPL or the GPL.
+ */
+
+#ifndef _LINUX_FTL_H
+#define _LINUX_FTL_H
+
+typedef struct erase_unit_header_t {
+    uint8_t    LinkTargetTuple[5];
+    uint8_t    DataOrgTuple[10];
+    uint8_t    NumTransferUnits;
+    uint32_t   EraseCount;
+    uint16_t   LogicalEUN;
+    uint8_t    BlockSize;
+    uint8_t    EraseUnitSize;
+    uint16_t   FirstPhysicalEUN;
+    uint16_t   NumEraseUnits;
+    uint32_t   FormattedSize;
+    uint32_t   FirstVMAddress;
+    uint16_t   NumVMPages;
+    uint8_t    Flags;
+    uint8_t    Code;
+    uint32_t   SerialNumber;
+    uint32_t   AltEUHOffset;
+    uint32_t   BAMOffset;
+    uint8_t    Reserved[12];
+    uint8_t    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 */