696 lines
25 KiB
C
696 lines
25 KiB
C
/*
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3w-9xxx.h -- 3ware 9000 Storage Controller device driver for Linux.
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Written By: Adam Radford <aradford@gmail.com>
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Modifications By: Tom Couch
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Copyright (C) 2004-2009 Applied Micro Circuits Corporation.
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Copyright (C) 2010 LSI Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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NO WARRANTY
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THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
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LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
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solely responsible for determining the appropriateness of using and
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distributing the Program and assumes all risks associated with its
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exercise of rights under this Agreement, including but not limited to
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the risks and costs of program errors, damage to or loss of data,
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programs or equipment, and unavailability or interruption of operations.
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DISCLAIMER OF LIABILITY
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NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Bugs/Comments/Suggestions should be mailed to:
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aradford@gmail.com
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*/
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#ifndef _3W_9XXX_H
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#define _3W_9XXX_H
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/* AEN string type */
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typedef struct TAG_twa_message_type {
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unsigned int code;
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char *text;
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} twa_message_type;
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/* AEN strings */
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static twa_message_type twa_aen_table[] = {
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{0x0000, "AEN queue empty"},
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{0x0001, "Controller reset occurred"},
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{0x0002, "Degraded unit detected"},
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{0x0003, "Controller error occurred"},
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{0x0004, "Background rebuild failed"},
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{0x0005, "Background rebuild done"},
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{0x0006, "Incomplete unit detected"},
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{0x0007, "Background initialize done"},
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{0x0008, "Unclean shutdown detected"},
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{0x0009, "Drive timeout detected"},
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{0x000A, "Drive error detected"},
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{0x000B, "Rebuild started"},
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{0x000C, "Background initialize started"},
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{0x000D, "Entire logical unit was deleted"},
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{0x000E, "Background initialize failed"},
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{0x000F, "SMART attribute exceeded threshold"},
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{0x0010, "Power supply reported AC under range"},
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{0x0011, "Power supply reported DC out of range"},
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{0x0012, "Power supply reported a malfunction"},
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{0x0013, "Power supply predicted malfunction"},
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{0x0014, "Battery charge is below threshold"},
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{0x0015, "Fan speed is below threshold"},
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{0x0016, "Temperature sensor is above threshold"},
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{0x0017, "Power supply was removed"},
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{0x0018, "Power supply was inserted"},
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{0x0019, "Drive was removed from a bay"},
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{0x001A, "Drive was inserted into a bay"},
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{0x001B, "Drive bay cover door was opened"},
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{0x001C, "Drive bay cover door was closed"},
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{0x001D, "Product case was opened"},
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{0x0020, "Prepare for shutdown (power-off)"},
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{0x0021, "Downgrade UDMA mode to lower speed"},
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{0x0022, "Upgrade UDMA mode to higher speed"},
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{0x0023, "Sector repair completed"},
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{0x0024, "Sbuf memory test failed"},
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{0x0025, "Error flushing cached write data to array"},
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{0x0026, "Drive reported data ECC error"},
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{0x0027, "DCB has checksum error"},
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{0x0028, "DCB version is unsupported"},
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{0x0029, "Background verify started"},
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{0x002A, "Background verify failed"},
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{0x002B, "Background verify done"},
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{0x002C, "Bad sector overwritten during rebuild"},
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{0x002D, "Background rebuild error on source drive"},
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{0x002E, "Replace failed because replacement drive too small"},
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{0x002F, "Verify failed because array was never initialized"},
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{0x0030, "Unsupported ATA drive"},
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{0x0031, "Synchronize host/controller time"},
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{0x0032, "Spare capacity is inadequate for some units"},
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{0x0033, "Background migration started"},
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{0x0034, "Background migration failed"},
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{0x0035, "Background migration done"},
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{0x0036, "Verify detected and fixed data/parity mismatch"},
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{0x0037, "SO-DIMM incompatible"},
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{0x0038, "SO-DIMM not detected"},
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{0x0039, "Corrected Sbuf ECC error"},
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{0x003A, "Drive power on reset detected"},
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{0x003B, "Background rebuild paused"},
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{0x003C, "Background initialize paused"},
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{0x003D, "Background verify paused"},
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{0x003E, "Background migration paused"},
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{0x003F, "Corrupt flash file system detected"},
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{0x0040, "Flash file system repaired"},
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{0x0041, "Unit number assignments were lost"},
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{0x0042, "Error during read of primary DCB"},
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{0x0043, "Latent error found in backup DCB"},
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{0x00FC, "Recovered/finished array membership update"},
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{0x00FD, "Handler lockup"},
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{0x00FE, "Retrying PCI transfer"},
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{0x00FF, "AEN queue is full"},
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{0xFFFFFFFF, (char*) 0}
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};
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/* AEN severity table */
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static char *twa_aen_severity_table[] =
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{
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"None", "ERROR", "WARNING", "INFO", "DEBUG", (char*) 0
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};
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/* Error strings */
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static twa_message_type twa_error_table[] = {
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{0x0100, "SGL entry contains zero data"},
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{0x0101, "Invalid command opcode"},
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{0x0102, "SGL entry has unaligned address"},
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{0x0103, "SGL size does not match command"},
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{0x0104, "SGL entry has illegal length"},
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{0x0105, "Command packet is not aligned"},
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{0x0106, "Invalid request ID"},
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{0x0107, "Duplicate request ID"},
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{0x0108, "ID not locked"},
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{0x0109, "LBA out of range"},
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{0x010A, "Logical unit not supported"},
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{0x010B, "Parameter table does not exist"},
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{0x010C, "Parameter index does not exist"},
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{0x010D, "Invalid field in CDB"},
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{0x010E, "Specified port has invalid drive"},
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{0x010F, "Parameter item size mismatch"},
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{0x0110, "Failed memory allocation"},
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{0x0111, "Memory request too large"},
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{0x0112, "Out of memory segments"},
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{0x0113, "Invalid address to deallocate"},
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{0x0114, "Out of memory"},
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{0x0115, "Out of heap"},
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{0x0120, "Double degrade"},
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{0x0121, "Drive not degraded"},
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{0x0122, "Reconstruct error"},
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{0x0123, "Replace not accepted"},
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{0x0124, "Replace drive capacity too small"},
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{0x0125, "Sector count not allowed"},
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{0x0126, "No spares left"},
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{0x0127, "Reconstruct error"},
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{0x0128, "Unit is offline"},
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{0x0129, "Cannot update status to DCB"},
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{0x0130, "Invalid stripe handle"},
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{0x0131, "Handle that was not locked"},
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{0x0132, "Handle that was not empty"},
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{0x0133, "Handle has different owner"},
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{0x0140, "IPR has parent"},
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{0x0150, "Illegal Pbuf address alignment"},
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{0x0151, "Illegal Pbuf transfer length"},
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{0x0152, "Illegal Sbuf address alignment"},
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{0x0153, "Illegal Sbuf transfer length"},
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{0x0160, "Command packet too large"},
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{0x0161, "SGL exceeds maximum length"},
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{0x0162, "SGL has too many entries"},
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{0x0170, "Insufficient resources for rebuilder"},
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{0x0171, "Verify error (data != parity)"},
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{0x0180, "Requested segment not in directory of this DCB"},
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{0x0181, "DCB segment has unsupported version"},
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{0x0182, "DCB segment has checksum error"},
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{0x0183, "DCB support (settings) segment invalid"},
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{0x0184, "DCB UDB (unit descriptor block) segment invalid"},
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{0x0185, "DCB GUID (globally unique identifier) segment invalid"},
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{0x01A0, "Could not clear Sbuf"},
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{0x01C0, "Flash identify failed"},
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{0x01C1, "Flash out of bounds"},
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{0x01C2, "Flash verify error"},
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{0x01C3, "Flash file object not found"},
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{0x01C4, "Flash file already present"},
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{0x01C5, "Flash file system full"},
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{0x01C6, "Flash file not present"},
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{0x01C7, "Flash file size error"},
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{0x01C8, "Bad flash file checksum"},
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{0x01CA, "Corrupt flash file system detected"},
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{0x01D0, "Invalid field in parameter list"},
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{0x01D1, "Parameter list length error"},
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{0x01D2, "Parameter item is not changeable"},
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{0x01D3, "Parameter item is not saveable"},
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{0x0200, "UDMA CRC error"},
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{0x0201, "Internal CRC error"},
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{0x0202, "Data ECC error"},
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{0x0203, "ADP level 1 error"},
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{0x0204, "Port timeout"},
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{0x0205, "Drive power on reset"},
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{0x0206, "ADP level 2 error"},
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{0x0207, "Soft reset failed"},
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{0x0208, "Drive not ready"},
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{0x0209, "Unclassified port error"},
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{0x020A, "Drive aborted command"},
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{0x0210, "Internal CRC error"},
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{0x0211, "PCI abort error"},
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{0x0212, "PCI parity error"},
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{0x0213, "Port handler error"},
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{0x0214, "Token interrupt count error"},
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{0x0215, "Timeout waiting for PCI transfer"},
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{0x0216, "Corrected buffer ECC"},
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{0x0217, "Uncorrected buffer ECC"},
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{0x0230, "Unsupported command during flash recovery"},
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{0x0231, "Next image buffer expected"},
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{0x0232, "Binary image architecture incompatible"},
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{0x0233, "Binary image has no signature"},
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{0x0234, "Binary image has bad checksum"},
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{0x0235, "Image downloaded overflowed buffer"},
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{0x0240, "I2C device not found"},
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{0x0241, "I2C transaction aborted"},
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{0x0242, "SO-DIMM parameter(s) incompatible using defaults"},
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{0x0243, "SO-DIMM unsupported"},
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{0x0248, "SPI transfer status error"},
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{0x0249, "SPI transfer timeout error"},
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{0x0250, "Invalid unit descriptor size in CreateUnit"},
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{0x0251, "Unit descriptor size exceeds data buffer in CreateUnit"},
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{0x0252, "Invalid value in CreateUnit descriptor"},
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{0x0253, "Inadequate disk space to support descriptor in CreateUnit"},
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{0x0254, "Unable to create data channel for this unit descriptor"},
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{0x0255, "CreateUnit descriptor specifies a drive already in use"},
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{0x0256, "Unable to write configuration to all disks during CreateUnit"},
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{0x0257, "CreateUnit does not support this descriptor version"},
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{0x0258, "Invalid subunit for RAID 0 or 5 in CreateUnit"},
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{0x0259, "Too many descriptors in CreateUnit"},
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{0x025A, "Invalid configuration specified in CreateUnit descriptor"},
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{0x025B, "Invalid LBA offset specified in CreateUnit descriptor"},
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{0x025C, "Invalid stripelet size specified in CreateUnit descriptor"},
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{0x0260, "SMART attribute exceeded threshold"},
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{0xFFFFFFFF, (char*) 0}
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};
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/* Control register bit definitions */
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#define TW_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000
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#define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT 0x00040000
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#define TW_CONTROL_MASK_COMMAND_INTERRUPT 0x00020000
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#define TW_CONTROL_MASK_RESPONSE_INTERRUPT 0x00010000
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#define TW_CONTROL_UNMASK_COMMAND_INTERRUPT 0x00008000
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#define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT 0x00004000
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#define TW_CONTROL_CLEAR_ERROR_STATUS 0x00000200
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#define TW_CONTROL_ISSUE_SOFT_RESET 0x00000100
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#define TW_CONTROL_ENABLE_INTERRUPTS 0x00000080
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#define TW_CONTROL_DISABLE_INTERRUPTS 0x00000040
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#define TW_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
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#define TW_CONTROL_CLEAR_PARITY_ERROR 0x00800000
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#define TW_CONTROL_CLEAR_QUEUE_ERROR 0x00400000
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#define TW_CONTROL_CLEAR_PCI_ABORT 0x00100000
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/* Status register bit definitions */
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#define TW_STATUS_MAJOR_VERSION_MASK 0xF0000000
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#define TW_STATUS_MINOR_VERSION_MASK 0x0F000000
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#define TW_STATUS_PCI_PARITY_ERROR 0x00800000
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#define TW_STATUS_QUEUE_ERROR 0x00400000
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#define TW_STATUS_MICROCONTROLLER_ERROR 0x00200000
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#define TW_STATUS_PCI_ABORT 0x00100000
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#define TW_STATUS_HOST_INTERRUPT 0x00080000
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#define TW_STATUS_ATTENTION_INTERRUPT 0x00040000
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#define TW_STATUS_COMMAND_INTERRUPT 0x00020000
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#define TW_STATUS_RESPONSE_INTERRUPT 0x00010000
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#define TW_STATUS_COMMAND_QUEUE_FULL 0x00008000
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#define TW_STATUS_RESPONSE_QUEUE_EMPTY 0x00004000
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#define TW_STATUS_MICROCONTROLLER_READY 0x00002000
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#define TW_STATUS_COMMAND_QUEUE_EMPTY 0x00001000
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#define TW_STATUS_EXPECTED_BITS 0x00002000
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#define TW_STATUS_UNEXPECTED_BITS 0x00F00000
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#define TW_STATUS_VALID_INTERRUPT 0x00DF0000
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/* PCI related defines */
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#define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
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#define TW_PCI_CLEAR_PCI_ABORT 0x2000
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/* Command packet opcodes used by the driver */
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#define TW_OP_INIT_CONNECTION 0x1
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#define TW_OP_GET_PARAM 0x12
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#define TW_OP_SET_PARAM 0x13
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#define TW_OP_EXECUTE_SCSI 0x10
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#define TW_OP_DOWNLOAD_FIRMWARE 0x16
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#define TW_OP_RESET 0x1C
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/* Asynchronous Event Notification (AEN) codes used by the driver */
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#define TW_AEN_QUEUE_EMPTY 0x0000
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#define TW_AEN_SOFT_RESET 0x0001
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#define TW_AEN_SYNC_TIME_WITH_HOST 0x031
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#define TW_AEN_SEVERITY_ERROR 0x1
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#define TW_AEN_SEVERITY_DEBUG 0x4
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#define TW_AEN_NOT_RETRIEVED 0x1
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#define TW_AEN_RETRIEVED 0x2
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/* Command state defines */
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#define TW_S_INITIAL 0x1 /* Initial state */
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#define TW_S_STARTED 0x2 /* Id in use */
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#define TW_S_POSTED 0x4 /* Posted to the controller */
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#define TW_S_PENDING 0x8 /* Waiting to be posted in isr */
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#define TW_S_COMPLETED 0x10 /* Completed by isr */
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#define TW_S_FINISHED 0x20 /* I/O completely done */
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/* Compatibility defines */
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#define TW_9000_ARCH_ID 0x5
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#define TW_CURRENT_DRIVER_SRL 35
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#define TW_CURRENT_DRIVER_BUILD 0
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#define TW_CURRENT_DRIVER_BRANCH 0
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/* Misc defines */
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#define TW_9550SX_DRAIN_COMPLETED 0xFFFF
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#define TW_SECTOR_SIZE 512
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#define TW_ALIGNMENT_9000 4 /* 4 bytes */
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#define TW_ALIGNMENT_9000_SGL 0x3
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#define TW_MAX_UNITS 16
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#define TW_MAX_UNITS_9650SE 32
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#define TW_INIT_MESSAGE_CREDITS 0x100
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#define TW_INIT_COMMAND_PACKET_SIZE 0x3
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#define TW_INIT_COMMAND_PACKET_SIZE_EXTENDED 0x6
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#define TW_EXTENDED_INIT_CONNECT 0x2
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#define TW_BUNDLED_FW_SAFE_TO_FLASH 0x4
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#define TW_CTLR_FW_RECOMMENDS_FLASH 0x8
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#define TW_CTLR_FW_COMPATIBLE 0x2
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#define TW_BASE_FW_SRL 24
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#define TW_BASE_FW_BRANCH 0
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#define TW_BASE_FW_BUILD 1
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#define TW_FW_SRL_LUNS_SUPPORTED 28
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#define TW_Q_LENGTH 256
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#define TW_Q_START 0
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#define TW_MAX_SLOT 32
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#define TW_MAX_RESET_TRIES 2
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#define TW_MAX_CMDS_PER_LUN 254
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#define TW_MAX_RESPONSE_DRAIN 256
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#define TW_MAX_AEN_DRAIN 255
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#define TW_IN_RESET 2
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#define TW_USING_MSI 3
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#define TW_IN_ATTENTION_LOOP 4
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#define TW_MAX_SECTORS 256
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#define TW_AEN_WAIT_TIME 1000
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#define TW_IOCTL_WAIT_TIME (1 * HZ) /* 1 second */
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#define TW_MAX_CDB_LEN 16
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#define TW_ISR_DONT_COMPLETE 2
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#define TW_ISR_DONT_RESULT 3
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#define TW_IOCTL_CHRDEV_TIMEOUT 60 /* 60 seconds */
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#define TW_IOCTL_CHRDEV_FREE -1
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#define TW_COMMAND_OFFSET 128 /* 128 bytes */
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#define TW_VERSION_TABLE 0x0402
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#define TW_TIMEKEEP_TABLE 0x040A
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#define TW_INFORMATION_TABLE 0x0403
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#define TW_PARAM_FWVER 3
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#define TW_PARAM_FWVER_LENGTH 16
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#define TW_PARAM_BIOSVER 4
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#define TW_PARAM_BIOSVER_LENGTH 16
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#define TW_PARAM_PORTCOUNT 3
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#define TW_PARAM_PORTCOUNT_LENGTH 1
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#define TW_MIN_SGL_LENGTH 0x200 /* 512 bytes */
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#define TW_MAX_SENSE_LENGTH 256
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#define TW_EVENT_SOURCE_AEN 0x1000
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#define TW_EVENT_SOURCE_COMMAND 0x1001
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#define TW_EVENT_SOURCE_PCHIP 0x1002
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#define TW_EVENT_SOURCE_DRIVER 0x1003
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#define TW_IOCTL_GET_COMPATIBILITY_INFO 0x101
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#define TW_IOCTL_GET_LAST_EVENT 0x102
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#define TW_IOCTL_GET_FIRST_EVENT 0x103
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#define TW_IOCTL_GET_NEXT_EVENT 0x104
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#define TW_IOCTL_GET_PREVIOUS_EVENT 0x105
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#define TW_IOCTL_GET_LOCK 0x106
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#define TW_IOCTL_RELEASE_LOCK 0x107
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#define TW_IOCTL_FIRMWARE_PASS_THROUGH 0x108
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#define TW_IOCTL_ERROR_STATUS_NOT_LOCKED 0x1001 // Not locked
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#define TW_IOCTL_ERROR_STATUS_LOCKED 0x1002 // Already locked
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#define TW_IOCTL_ERROR_STATUS_NO_MORE_EVENTS 0x1003 // No more events
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#define TW_IOCTL_ERROR_STATUS_AEN_CLOBBER 0x1004 // AEN clobber occurred
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#define TW_IOCTL_ERROR_OS_EFAULT -EFAULT // Bad address
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#define TW_IOCTL_ERROR_OS_EINTR -EINTR // Interrupted system call
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#define TW_IOCTL_ERROR_OS_EINVAL -EINVAL // Invalid argument
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#define TW_IOCTL_ERROR_OS_ENOMEM -ENOMEM // Out of memory
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#define TW_IOCTL_ERROR_OS_ERESTARTSYS -ERESTARTSYS // Restart system call
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#define TW_IOCTL_ERROR_OS_EIO -EIO // I/O error
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#define TW_IOCTL_ERROR_OS_ENOTTY -ENOTTY // Not a typewriter
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#define TW_IOCTL_ERROR_OS_ENODEV -ENODEV // No such device
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#define TW_ALLOCATION_LENGTH 128
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#define TW_SENSE_DATA_LENGTH 18
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#define TW_STATUS_CHECK_CONDITION 2
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#define TW_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x10a
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#define TW_ERROR_UNIT_OFFLINE 0x128
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#define TW_MESSAGE_SOURCE_CONTROLLER_ERROR 3
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#define TW_MESSAGE_SOURCE_CONTROLLER_EVENT 4
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#define TW_MESSAGE_SOURCE_LINUX_DRIVER 6
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#define TW_DRIVER TW_MESSAGE_SOURCE_LINUX_DRIVER
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#define TW_MESSAGE_SOURCE_LINUX_OS 9
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#define TW_OS TW_MESSAGE_SOURCE_LINUX_OS
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#ifndef PCI_DEVICE_ID_3WARE_9000
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#define PCI_DEVICE_ID_3WARE_9000 0x1002
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#endif
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#ifndef PCI_DEVICE_ID_3WARE_9550SX
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#define PCI_DEVICE_ID_3WARE_9550SX 0x1003
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#endif
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#ifndef PCI_DEVICE_ID_3WARE_9650SE
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#define PCI_DEVICE_ID_3WARE_9650SE 0x1004
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#endif
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#ifndef PCI_DEVICE_ID_3WARE_9690SA
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#define PCI_DEVICE_ID_3WARE_9690SA 0x1005
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#endif
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/* Bitmask macros to eliminate bitfields */
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/* opcode: 5, reserved: 3 */
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#define TW_OPRES_IN(x,y) ((x << 5) | (y & 0x1f))
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#define TW_OP_OUT(x) (x & 0x1f)
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/* opcode: 5, sgloffset: 3 */
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#define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f))
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#define TW_SGL_OUT(x) ((x >> 5) & 0x7)
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/* severity: 3, reserved: 5 */
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#define TW_SEV_OUT(x) (x & 0x7)
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/* reserved_1: 4, response_id: 8, reserved_2: 20 */
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#define TW_RESID_OUT(x) ((x >> 4) & 0xff)
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/* request_id: 12, lun: 4 */
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#define TW_REQ_LUN_IN(lun, request_id) \
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cpu_to_le16(((lun << 12) & 0xf000) | (request_id & 0xfff))
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#define TW_LUN_OUT(lun) ((le16_to_cpu(lun) >> 12) & 0xf)
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/* Macros */
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#define TW_CONTROL_REG_ADDR(x) (x->base_addr)
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#define TW_STATUS_REG_ADDR(x) ((unsigned char __iomem *)x->base_addr + 0x4)
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#define TW_COMMAND_QUEUE_REG_ADDR(x) \
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(sizeof(dma_addr_t) > 4 ? ((unsigned char __iomem *)x->base_addr + 0x20) : ((unsigned char __iomem *)x->base_addr + 0x8))
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#define TW_COMMAND_QUEUE_REG_ADDR_LARGE(x) \
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((unsigned char __iomem *)x->base_addr + 0x20)
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#define TW_RESPONSE_QUEUE_REG_ADDR(x) \
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((unsigned char __iomem *)x->base_addr + 0xC)
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#define TW_RESPONSE_QUEUE_REG_ADDR_LARGE(x) \
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((unsigned char __iomem *)x->base_addr + 0x30)
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#define TW_CLEAR_ALL_INTERRUPTS(x) \
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(writel(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
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#define TW_CLEAR_ATTENTION_INTERRUPT(x) \
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(writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
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#define TW_CLEAR_HOST_INTERRUPT(x) \
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(writel(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
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#define TW_DISABLE_INTERRUPTS(x) \
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(writel(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
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#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x) \
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(writel(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
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TW_CONTROL_UNMASK_RESPONSE_INTERRUPT | \
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TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
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#define TW_MASK_COMMAND_INTERRUPT(x) \
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(writel(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
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#define TW_UNMASK_COMMAND_INTERRUPT(x) \
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(writel(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
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#define TW_SOFT_RESET(x) (writel(TW_CONTROL_ISSUE_SOFT_RESET | \
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TW_CONTROL_CLEAR_HOST_INTERRUPT | \
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TW_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
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TW_CONTROL_MASK_COMMAND_INTERRUPT | \
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TW_CONTROL_MASK_RESPONSE_INTERRUPT | \
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TW_CONTROL_CLEAR_ERROR_STATUS | \
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TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
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#define TW_PRINTK(h,a,b,c) { \
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if (h) \
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printk(KERN_WARNING "3w-9xxx: scsi%d: ERROR: (0x%02X:0x%04X): %s.\n",h->host_no,a,b,c); \
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else \
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printk(KERN_WARNING "3w-9xxx: ERROR: (0x%02X:0x%04X): %s.\n",a,b,c); \
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}
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#define TW_MAX_LUNS(srl) (srl < TW_FW_SRL_LUNS_SUPPORTED ? 1 : 16)
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#define TW_COMMAND_SIZE (sizeof(dma_addr_t) > 4 ? 5 : 4)
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#define TW_APACHE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 72 : 109)
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#define TW_ESCALADE_MAX_SGL_LENGTH (sizeof(dma_addr_t) > 4 ? 41 : 62)
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#define TW_PADDING_LENGTH (sizeof(dma_addr_t) > 4 ? 8 : 0)
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#if IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT)
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typedef __le64 twa_addr_t;
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#define TW_CPU_TO_SGL(x) cpu_to_le64(x)
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#else
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typedef __le32 twa_addr_t;
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#define TW_CPU_TO_SGL(x) cpu_to_le32(x)
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#endif
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/* Scatter Gather List Entry */
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typedef struct TAG_TW_SG_Entry {
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twa_addr_t address;
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__le32 length;
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} __packed TW_SG_Entry;
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/* Command Packet */
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typedef struct TW_Command {
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u8 opcode__sgloffset;
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u8 size;
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u8 request_id;
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u8 unit__hostid;
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/* Second DWORD */
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u8 status;
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u8 flags;
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union {
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__le16 block_count;
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__le16 parameter_count;
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} byte6_offset;
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union {
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struct {
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__le32 lba;
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TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
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twa_addr_t padding;
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} io;
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struct {
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TW_SG_Entry sgl[TW_ESCALADE_MAX_SGL_LENGTH];
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__le32 padding;
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twa_addr_t padding2;
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} param;
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} byte8_offset;
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} TW_Command;
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/* Command Packet for 9000+ controllers */
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typedef struct TAG_TW_Command_Apache {
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u8 opcode__reserved;
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u8 unit;
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__le16 request_id__lunl;
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u8 status;
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u8 sgl_offset;
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__le16 sgl_entries__lunh;
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u8 cdb[16];
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TW_SG_Entry sg_list[TW_APACHE_MAX_SGL_LENGTH];
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u8 padding[TW_PADDING_LENGTH];
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} TW_Command_Apache;
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/* New command packet header */
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typedef struct TAG_TW_Command_Apache_Header {
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unsigned char sense_data[TW_SENSE_DATA_LENGTH];
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struct {
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u8 reserved[4];
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__le16 error;
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u8 padding;
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u8 severity__reserved;
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} status_block;
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unsigned char err_specific_desc[98];
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struct {
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u8 size_header;
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u8 reserved[2];
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u8 size_sense;
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} header_desc;
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} TW_Command_Apache_Header;
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/* This struct is a union of the 2 command packets */
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typedef struct TAG_TW_Command_Full {
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TW_Command_Apache_Header header;
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union {
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TW_Command oldcommand;
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TW_Command_Apache newcommand;
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} command;
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} TW_Command_Full;
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/* Initconnection structure */
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typedef struct TAG_TW_Initconnect {
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u8 opcode__reserved;
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u8 size;
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u8 request_id;
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u8 res2;
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u8 status;
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u8 flags;
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__le16 message_credits;
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__le32 features;
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__le16 fw_srl;
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__le16 fw_arch_id;
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__le16 fw_branch;
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__le16 fw_build;
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__le32 result;
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} TW_Initconnect;
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/* Event info structure */
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typedef struct TAG_TW_Event
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{
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unsigned int sequence_id;
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unsigned int time_stamp_sec;
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unsigned short aen_code;
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unsigned char severity;
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unsigned char retrieved;
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unsigned char repeat_count;
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unsigned char parameter_len;
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unsigned char parameter_data[98];
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} TW_Event;
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typedef struct TAG_TW_Ioctl_Driver_Command {
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unsigned int control_code;
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unsigned int status;
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unsigned int unique_id;
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unsigned int sequence_id;
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unsigned int os_specific;
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unsigned int buffer_length;
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} TW_Ioctl_Driver_Command;
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typedef struct TAG_TW_Ioctl_Apache {
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TW_Ioctl_Driver_Command driver_command;
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char padding[488];
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TW_Command_Full firmware_command;
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char data_buffer[];
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} TW_Ioctl_Buf_Apache;
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/* Lock structure for ioctl get/release lock */
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typedef struct TAG_TW_Lock {
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unsigned long timeout_msec;
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unsigned long time_remaining_msec;
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unsigned long force_flag;
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} TW_Lock;
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/* GetParam descriptor */
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typedef struct {
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__le16 table_id;
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__le16 parameter_id;
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__le16 parameter_size_bytes;
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__le16 actual_parameter_size_bytes;
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u8 data[];
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} TW_Param_Apache, *PTW_Param_Apache;
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/* Response queue */
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typedef union TAG_TW_Response_Queue {
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u32 response_id;
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u32 value;
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} TW_Response_Queue;
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/* Compatibility information structure */
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typedef struct TAG_TW_Compatibility_Info
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{
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char driver_version[32];
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unsigned short working_srl;
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unsigned short working_branch;
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unsigned short working_build;
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unsigned short driver_srl_high;
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unsigned short driver_branch_high;
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unsigned short driver_build_high;
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unsigned short driver_srl_low;
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unsigned short driver_branch_low;
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unsigned short driver_build_low;
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unsigned short fw_on_ctlr_srl;
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unsigned short fw_on_ctlr_branch;
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unsigned short fw_on_ctlr_build;
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} TW_Compatibility_Info;
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typedef struct TAG_TW_Device_Extension {
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u32 __iomem *base_addr;
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unsigned long *generic_buffer_virt[TW_Q_LENGTH];
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dma_addr_t generic_buffer_phys[TW_Q_LENGTH];
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TW_Command_Full *command_packet_virt[TW_Q_LENGTH];
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dma_addr_t command_packet_phys[TW_Q_LENGTH];
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struct pci_dev *tw_pci_dev;
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struct scsi_cmnd *srb[TW_Q_LENGTH];
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unsigned char free_queue[TW_Q_LENGTH];
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unsigned char free_head;
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unsigned char free_tail;
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unsigned char pending_queue[TW_Q_LENGTH];
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unsigned char pending_head;
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unsigned char pending_tail;
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int state[TW_Q_LENGTH];
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unsigned int posted_request_count;
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unsigned int max_posted_request_count;
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unsigned int pending_request_count;
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unsigned int max_pending_request_count;
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unsigned int max_sgl_entries;
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unsigned int sgl_entries;
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unsigned int num_resets;
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unsigned int sector_count;
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unsigned int max_sector_count;
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unsigned int aen_count;
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struct Scsi_Host *host;
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long flags;
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int reset_print;
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TW_Event *event_queue[TW_Q_LENGTH];
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unsigned char error_index;
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unsigned char event_queue_wrapped;
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unsigned int error_sequence_id;
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int ioctl_sem_lock;
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ktime_t ioctl_time;
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int chrdev_request_id;
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|
wait_queue_head_t ioctl_wqueue;
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struct mutex ioctl_lock;
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|
char aen_clobber;
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TW_Compatibility_Info tw_compat_info;
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} TW_Device_Extension;
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#endif /* _3W_9XXX_H */
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