/* * $Id: ftl.h,v 1.5 2001/06/02 20:35:51 dwmw2 Exp $ * * 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 * . 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 { u_int8_t LinkTargetTuple[5]; u_int8_t DataOrgTuple[10]; u_int8_t NumTransferUnits; u_int32_t EraseCount; u_int16_t LogicalEUN; u_int8_t BlockSize; u_int8_t EraseUnitSize; u_int16_t FirstPhysicalEUN; u_int16_t NumEraseUnits; u_int32_t FormattedSize; u_int32_t FirstVMAddress; u_int16_t NumVMPages; u_int8_t Flags; u_int8_t Code; u_int32_t SerialNumber; u_int32_t AltEUHOffset; u_int32_t BAMOffset; u_int8_t Reserved[12]; u_int8_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 */
