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twareg.h revision 1.1
      1 /*	$wasabi: twareg.h,v 1.11 2006/04/27 17:12:39 wrstuden Exp $	*/
      2 /*
      3  * Copyright (c) 2005-2006 Wasabi Systems, Inc.
      4  * All rights reserved.
      5  *
      6  * Your Wasabi Systems License Agreement specifies the terms and
      7  * conditions for use and redistribution.
      8  */
      9 
     10 
     11 /*-
     12  * Copyright (c) 2003-04 3ware, Inc.
     13  * All rights reserved.
     14  *
     15  * Redistribution and use in source and binary forms, with or without
     16  * modification, are permitted provided that the following conditions
     17  * are met:
     18  * 1. Redistributions of source code must retain the above copyright
     19  *    notice, this list of conditions and the following disclaimer.
     20  * 2. Redistributions in binary form must reproduce the above copyright
     21  *    notice, this list of conditions and the following disclaimer in the
     22  *    documentation and/or other materials provided with the distribution.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  *	$FreeBSD: src/sys/dev/twa/twa_reg.h,v 1.2 2004/08/18 16:14:44 vkashyap Exp $
     37  */
     38 
     39 /*
     40  * 3ware driver for 9000 series storage controllers.
     41  *
     42  * Author: Vinod Kashyap
     43  */
     44 
     45 #ifndef _PCI_TWAREG_H_
     46 #define	_PCI_TWAREG_H_
     47 
     48 #if defined(_KERNEL)
     49 #include <machine/bus.h>
     50 
     51 /*
     52  * The following macro has no business being in twa_reg.h.  It should probably
     53  * be defined in twa_includes.h, before the #include twa_reg.h....  But that
     54  * causes the API to run into build errors.  Will leave it here for now...
     55  */
     56 #define TWA_64BIT_ADDRESSES	((sizeof(bus_addr_t) == 8) ? 1 : 0)
     57 
     58 /*
     59  * Define the following here since it relies on TWA_64BIT_ADDRESSES which
     60  * depends on sizeof(bus_addr_t), which is not exported to userland.
     61  * The userland API shouldn't care about the kernel's bus_addr_t.
     62  * For the userland API, use the array size that we would use for 32-bit
     63  * addresses since that's what we use in the sg structure definition.
     64  * The userland API does not actually appear to use the array, but it
     65  * does include the array in various command structures.
     66  */
     67 #define TWA_MAX_SG_ELEMENTS		(TWA_64BIT_ADDRESSES ? 70 : 105)
     68 #else
     69 #define TWA_MAX_SG_ELEMENTS		105
     70 #endif
     71 
     72 #define TWAQ_FREE	0
     73 #define TWAQ_BUSY	1
     74 #define TWAQ_PENDING	2
     75 #define TWAQ_COMPLETE	3
     76 #define TWAQ_IO_PENDING 4
     77 #define TWAQ_COUNT	5	/* total number of queues */
     78 
     79 #define TWA_DRIVER_VERSION_STRING		"1.00.00.000"
     80 
     81 #define TWA_REQUEST_TIMEOUT_PERIOD		60 /* seconds */
     82 
     83 #define TWA_MESSAGE_SOURCE_CONTROLLER_ERROR	3
     84 
     85 /* Register offsets from base address. */
     86 #define	TWA_CONTROL_REGISTER_OFFSET		0x0
     87 #define	TWA_STATUS_REGISTER_OFFSET		0x4
     88 #define	TWA_COMMAND_QUEUE_OFFSET		0x8
     89 #define	TWA_RESPONSE_QUEUE_OFFSET		0xC
     90 #define	TWA_COMMAND_QUEUE_OFFSET_LOW		0x20
     91 #define	TWA_COMMAND_QUEUE_OFFSET_HIGH		0x24
     92 
     93 #if defined(_KERNEL)
     94 #define TWA_WRITE_REGISTER(sc, offset, val)	\
     95 	bus_space_write_4(sc->twa_bus_iot, sc->twa_bus_ioh, offset, (u_int32_t)val)
     96 
     97 #define TWA_WRITE_COMMAND_QUEUE(sc, val)				\
     98 	do {								\
     99 		if (TWA_64BIT_ADDRESSES) {				\
    100 			/* First write the low 4 bytes, then the high 4. */  \
    101 			TWA_WRITE_REGISTER(sc, TWA_COMMAND_QUEUE_OFFSET_LOW, \
    102 						(u_int32_t)(val));	\
    103 			TWA_WRITE_REGISTER(sc, TWA_COMMAND_QUEUE_OFFSET_HIGH,\
    104 					(u_int32_t)(((u_int64_t)val)>>32));  \
    105 		} else							\
    106 			TWA_WRITE_REGISTER(sc, TWA_COMMAND_QUEUE_OFFSET,\
    107 						(u_int32_t)(val)); \
    108 	} while (0)
    109 #endif
    110 
    111 /* Control register bit definitions. */
    112 #define TWA_CONTROL_CLEAR_SBUF_WRITE_ERROR	0x00000008
    113 #define TWA_CONTROL_ISSUE_HOST_INTERRUPT	0x00000020
    114 #define TWA_CONTROL_DISABLE_INTERRUPTS		0x00000040
    115 #define TWA_CONTROL_ENABLE_INTERRUPTS		0x00000080
    116 #define TWA_CONTROL_ISSUE_SOFT_RESET		0x00000100
    117 #define TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT	0x00004000
    118 #define TWA_CONTROL_UNMASK_COMMAND_INTERRUPT	0x00008000
    119 #define TWA_CONTROL_MASK_RESPONSE_INTERRUPT	0x00010000
    120 #define TWA_CONTROL_MASK_COMMAND_INTERRUPT	0x00020000
    121 #define TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT	0x00040000
    122 #define TWA_CONTROL_CLEAR_HOST_INTERRUPT	0x00080000
    123 #define TWA_CONTROL_CLEAR_PCI_ABORT		0x00100000
    124 #define TWA_CONTROL_CLEAR_QUEUE_ERROR		0x00400000
    125 #define TWA_CONTROL_CLEAR_PARITY_ERROR		0x00800000
    126 
    127 /* Status register bit definitions. */
    128 #define TWA_STATUS_ROM_BIOS_IN_SBUF		0x00000002
    129 #define TWA_STATUS_SBUF_WRITE_ERROR		0x00000008
    130 #define TWA_STATUS_COMMAND_QUEUE_EMPTY		0x00001000
    131 #define TWA_STATUS_MICROCONTROLLER_READY	0x00002000
    132 #define TWA_STATUS_RESPONSE_QUEUE_EMPTY		0x00004000
    133 #define TWA_STATUS_COMMAND_QUEUE_FULL		0x00008000
    134 #define TWA_STATUS_RESPONSE_INTERRUPT		0x00010000
    135 #define TWA_STATUS_COMMAND_INTERRUPT		0x00020000
    136 #define TWA_STATUS_ATTENTION_INTERRUPT		0x00040000
    137 #define TWA_STATUS_HOST_INTERRUPT		0x00080000
    138 #define TWA_STATUS_PCI_ABORT_INTERRUPT		0x00100000
    139 #define TWA_STATUS_MICROCONTROLLER_ERROR	0x00200000
    140 #define TWA_STATUS_QUEUE_ERROR_INTERRUPT	0x00400000
    141 #define TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT	0x00800000
    142 #define TWA_STATUS_MINOR_VERSION_MASK		0x0F000000
    143 #define TWA_STATUS_MAJOR_VERSION_MASK		0xF0000000
    144 
    145 #define TWA_STATUS_EXPECTED_BITS		0x00002000
    146 #define TWA_STATUS_UNEXPECTED_BITS		0x00F00000
    147 
    148 /* For use with the %b printf format. */
    149 #define TWA_STATUS_BITS_DESCRIPTION \
    150 	"\20\15CMD_Q_EMPTY\16MC_RDY\17RESP_Q_EMPTY\20CMD_Q_FULL\21RESP_INTR\22CMD_INTR\23ATTN_INTR\24HOST_INTR\25PCI_ABRT\26MC_ERR\27Q_ERR\30PCI_PERR\n"
    151 
    152 /* Detect inconsistencies in the status register. */
    153 #define TWA_STATUS_ERRORS(x)			\
    154 	((x & TWA_STATUS_UNEXPECTED_BITS) &&	\
    155 	 (x & TWA_STATUS_MICROCONTROLLER_READY))
    156 
    157 /* PCI related defines. */
    158 #define TWA_IO_CONFIG_REG		0x10
    159 #define TWA_DEVICE_NAME			"3ware 9000 series Storage Controller"
    160 #define TWA_VENDOR_ID			0x13C1
    161 #define TWA_DEVICE_ID_9K		0x1002
    162 
    163 #define TWA_PCI_CONFIG_CLEAR_PARITY_ERROR	0xc100
    164 #define TWA_PCI_CONFIG_CLEAR_PCI_ABORT		0x2000
    165 
    166 /* Command packet opcodes. */
    167 #define TWA_OP_NOP			0x00
    168 #define TWA_OP_INIT_CONNECTION		0x01
    169 #define TWA_OP_READ			0x02
    170 #define TWA_OP_WRITE			0x03
    171 #define TWA_OP_READVERIFY		0x04
    172 #define TWA_OP_VERIFY			0x05
    173 #define TWA_OP_ZEROUNIT			0x08
    174 #define TWA_OP_REPLACEUNIT		0x09
    175 #define TWA_OP_HOTSWAP			0x0A
    176 #define TWA_OP_SELFTESTS		0x0B
    177 #define TWA_OP_SYNC_PARAM		0x0C
    178 #define TWA_OP_REORDER_UNITS		0x0D
    179 #define TWA_OP_FLUSH			0x0E
    180 #define TWA_OP_EXECUTE_SCSI_COMMAND	0x10
    181 #define TWA_OP_ATA_PASSTHROUGH		0x11
    182 #define TWA_OP_GET_PARAM		0x12
    183 #define TWA_OP_SET_PARAM		0x13
    184 #define TWA_OP_CREATEUNIT		0x14
    185 #define TWA_OP_DELETEUNIT		0x15
    186 #define TWA_OP_DOWNLOAD_FIRMWARE	0x16
    187 #define TWA_OP_REBUILDUNIT		0x17
    188 #define TWA_OP_POWER_MANAGEMENT		0x18
    189 
    190 #define TWA_OP_REMOTE_PRINT		0x1B
    191 #define TWA_OP_RESET_FIRMWARE		0x1C
    192 #define TWA_OP_DEBUG			0x1D
    193 
    194 #define TWA_OP_DIAGNOSTICS		0x1F
    195 
    196 /* Misc defines. */
    197 #define TWA_ALIGNMENT			0x4
    198 #define TWA_MAX_UNITS			16
    199 #define TWA_INIT_MESSAGE_CREDITS	0x100
    200 #define TWA_SHUTDOWN_MESSAGE_CREDITS	0x001
    201 #define TWA_64BIT_SG_ADDRESSES		0x00000001
    202 #define TWA_EXTENDED_INIT_CONNECT	0x00000002
    203 #define TWA_BASE_MODE			1
    204 #define TWA_BASE_FW_SRL			24
    205 #define TWA_BASE_FW_BRANCH		0
    206 #define TWA_BASE_FW_BUILD		1
    207 #define TWA_CURRENT_FW_SRL		28
    208 #define TWA_CURRENT_FW_BRANCH		4
    209 #define TWA_CURRENT_FW_BUILD		9
    210 #define TWA_9000_ARCH_ID		0x5	/* 9000 series controllers */
    211 #define TWA_CTLR_FW_SAME_OR_NEWER	0x00000001
    212 #define TWA_CTLR_FW_COMPATIBLE		0x00000002
    213 #define TWA_BUNDLED_FW_SAFE_TO_FLASH	0x00000004
    214 #define TWA_CTLR_FW_RECOMMENDS_FLASH	0x00000008
    215 #define NUM_FW_IMAGE_CHUNKS		5
    216 #define TWA_MAX_IO_SIZE			0x20000	/* 128K */
    217 /* #define TWA_MAX_SG_ELEMENTS		defined above */
    218 #define TWA_MAX_ATA_SG_ELEMENTS		60
    219 #define TWA_Q_LENGTH			TWA_INIT_MESSAGE_CREDITS
    220 #define TWA_MAX_RESET_TRIES		3
    221 #define TWA_SECTOR_SIZE			0x200	/* generic I/O bufffer */
    222 #define TWA_SENSE_DATA_LENGTH		18
    223 
    224 #define TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED	0x010a
    225 #define TWA_ERROR_UNIT_OFFLINE			0x0128
    226 #define TWA_ERROR_MORE_DATA			0x0231
    227 
    228 /* Scatter/Gather list entry. */
    229 struct twa_sg {
    230 #if defined(_KERNEL)
    231 	bus_addr_t	address;
    232 #else
    233 	u_int32_t	xx_address_xx;	/* Fail if userland tries to use this */
    234 #endif
    235 	u_int32_t	length;
    236 } __attribute__ ((packed));
    237 
    238 
    239 /* 7000 structures. */
    240 struct twa_command_init_connect {
    241 	u_int8_t	opcode:5;	/* TWA_OP_INITCONNECTION */
    242 	u_int8_t	res1:3;
    243 	u_int8_t	size;
    244 	u_int8_t	request_id;
    245 	u_int8_t	res2;
    246 	u_int8_t	status;
    247 	u_int8_t	flags;
    248 	u_int16_t	message_credits;
    249 	u_int32_t	features;
    250 	u_int16_t	fw_srl;
    251 	u_int16_t	fw_arch_id;
    252 	u_int16_t	fw_branch;
    253 	u_int16_t	fw_build;
    254 	u_int32_t	result;
    255 }__attribute__ ((packed));
    256 
    257 struct twa_command_download_firmware {
    258 	u_int8_t	opcode:5;	/* TWA_DOWNLOAD_FIRMWARE */
    259 	u_int8_t	sgl_offset:3;
    260 	u_int8_t	size;
    261 	u_int8_t	request_id;
    262 	u_int8_t	unit;
    263 	u_int8_t	status;
    264 	u_int8_t	flags;
    265 	u_int16_t	param;
    266 	struct twa_sg	sgl[TWA_MAX_SG_ELEMENTS];
    267 } __attribute__ ((packed));
    268 
    269 
    270 struct twa_command_reset_firmware {
    271 	u_int8_t	opcode:5;	/* TWA_OP_RESET_FIRMWARE */
    272 	u_int8_t	res1:3;
    273 	u_int8_t	size;
    274 	u_int8_t	request_id;
    275 	u_int8_t	unit;
    276 	u_int8_t	status;
    277 	u_int8_t	flags;
    278 	u_int8_t	res2;
    279 	u_int8_t	param;
    280 } __attribute__ ((packed));
    281 
    282 
    283 struct twa_command_io {
    284 	u_int8_t	opcode:5;	/* TWA_OP_READ/TWA_OP_WRITE */
    285 	u_int8_t	sgl_offset:3;
    286 	u_int8_t	size;
    287 	u_int8_t	request_id;
    288 	u_int8_t	unit:4;
    289 	u_int8_t	host_id:4;
    290 	u_int8_t	status;
    291 	u_int8_t	flags;
    292 	u_int16_t	block_count;
    293 	u_int32_t	lba;
    294 	struct twa_sg	sgl[TWA_MAX_SG_ELEMENTS];
    295 } __attribute__ ((packed));
    296 
    297 
    298 struct twa_command_hotswap {
    299 	u_int8_t	opcode:5;	/* TWA_OP_HOTSWAP */
    300 	u_int8_t	res1:3;
    301 	u_int8_t	size;
    302 	u_int8_t	request_id;
    303 	u_int8_t	unit:4;
    304 	u_int8_t	host_id:4;
    305 	u_int8_t	status;
    306 	u_int8_t	flags;
    307 	u_int8_t	action;
    308 #define TWA_OP_HOTSWAP_REMOVE		0x00	/* remove assumed-degraded unit */
    309 #define TWA_OP_HOTSWAP_ADD_CBOD		0x01	/* add CBOD to empty port */
    310 #define TWA_OP_HOTSWAP_ADD_SPARE	0x02	/* add spare to empty port */
    311 	u_int8_t	aport;
    312 } __attribute__ ((packed));
    313 
    314 
    315 struct twa_command_param {
    316 	u_int8_t	opcode:5;	/* TWA_OP_GETPARAM, TWA_OP_SETPARAM */
    317 	u_int8_t	sgl_offset:3;
    318 	u_int8_t	size;
    319 	u_int8_t	request_id;
    320 	u_int8_t	unit:4;
    321 	u_int8_t	host_id:4;
    322 	u_int8_t	status;
    323 	u_int8_t	flags;
    324 	u_int16_t	param_count;
    325 	struct twa_sg	sgl[TWA_MAX_SG_ELEMENTS];
    326 } __attribute__ ((packed));
    327 
    328 
    329 struct twa_command_rebuildunit {
    330 	u_int8_t	opcode:5;	/* TWA_OP_REBUILDUNIT */
    331 	u_int8_t	res1:3;
    332 	u_int8_t	size;
    333 	u_int8_t	request_id;
    334 	u_int8_t	src_unit:4;
    335 	u_int8_t	host_id:4;
    336 	u_int8_t	status;
    337 	u_int8_t	flags;
    338 	u_int8_t	action:7;
    339 #define TWA_OP_REBUILDUNIT_NOP		0
    340 #define TWA_OP_REBUILDUNIT_STOP		2	/* stop all rebuilds */
    341 #define TWA_OP_REBUILDUNIT_START	4	/* start rebuild with lowest unit */
    342 #define TWA_OP_REBUILDUNIT_STARTUNIT	5	/* rebuild src_unit (not supported) */
    343 	u_int8_t	cs:1;			/* request state change on src_unit */
    344 	u_int8_t	logical_subunit;	/* for RAID10 rebuild of logical subunit */
    345 } __attribute__ ((packed));
    346 
    347 
    348 struct twa_command_ata {
    349 	u_int8_t	opcode:5;	/* TWA_OP_ATA_PASSTHROUGH */
    350 	u_int8_t	sgl_offset:3;
    351 	u_int8_t	size;
    352 	u_int8_t	request_id;
    353 	u_int8_t	unit:4;
    354 	u_int8_t	host_id:4;
    355 	u_int8_t	status;
    356 	u_int8_t	flags;
    357 	u_int16_t	param;
    358 	u_int16_t	features;
    359 	u_int16_t	sector_count;
    360 	u_int16_t	sector_num;
    361 	u_int16_t	cylinder_lo;
    362 	u_int16_t	cylinder_hi;
    363 	u_int8_t	drive_head;
    364 	u_int8_t	command;
    365 	struct twa_sg	sgl[TWA_MAX_ATA_SG_ELEMENTS];
    366 } __attribute__ ((packed));
    367 
    368 
    369 struct twa_command_generic {
    370 	u_int8_t	opcode:5;
    371 	u_int8_t	sgl_offset:3;
    372 	u_int8_t	size;
    373 	u_int8_t	request_id;
    374 	u_int8_t	unit:4;
    375 	u_int8_t	host_id:4;
    376 	u_int8_t	status;
    377 	u_int8_t	flags;
    378 #define TWA_FLAGS_SUCCESS	0x00
    379 #define TWA_FLAGS_INFORMATIONAL	0x01
    380 #define TWA_FLAGS_WARNING	0x02
    381 #define TWA_FLAGS_FATAL		0x03
    382 #define TWA_FLAGS_PERCENTAGE	(1<<8)	/* bits 0-6 indicate completion percentage */
    383 	u_int16_t	count;		/* block count, parameter count, message credits */
    384 } __attribute__ ((packed));
    385 
    386 
    387 /* Command packet - must be TWA_ALIGNMENT aligned. */
    388 union twa_command_7k {
    389 	struct twa_command_init_connect		init_connect;
    390 	struct twa_command_download_firmware	download_fw;
    391 	struct twa_command_reset_firmware	reset_fw;
    392 	struct twa_command_io			io;
    393 	struct twa_command_hotswap		hotswap;
    394 	struct twa_command_param		param;
    395 	struct twa_command_rebuildunit		rebuildunit;
    396 	struct twa_command_ata			ata;
    397 	struct twa_command_generic		generic;
    398 } __attribute__ ((packed));
    399 
    400 
    401 /* 9000 structures. */
    402 
    403 /* Command Packet. */
    404 struct twa_command_9k {
    405 	struct {
    406 		u_int8_t	opcode:5;
    407 		u_int8_t	reserved:3;
    408 	} command;
    409 	u_int8_t	unit;
    410 	u_int16_t	request_id;
    411 	u_int8_t	status;
    412 	u_int8_t	sgl_offset; /* offset (in bytes) to sg_list, from the end of sgl_entries */
    413 	u_int16_t	sgl_entries;
    414 	u_int8_t	cdb[16];
    415 	struct twa_sg	sg_list[TWA_MAX_SG_ELEMENTS];
    416 	u_int8_t	padding[32];
    417 } __attribute__ ((packed));
    418 
    419 
    420 /* Command packet header. */
    421 struct twa_command_header {
    422 	u_int8_t	sense_data[TWA_SENSE_DATA_LENGTH];
    423 	struct {
    424 		int8_t		reserved[4];
    425 		u_int16_t	error;
    426 		u_int8_t	padding;
    427 		struct {
    428 			u_int8_t	severity:3;
    429 			u_int8_t	reserved:5;
    430 		} substatus_block;
    431 	} status_block;
    432 	u_int8_t	err_specific_desc[98];
    433 	struct {
    434 		u_int8_t	size_header;
    435 		u_int16_t	reserved;
    436 		u_int8_t	size_sense;
    437 	} header_desc;
    438 	u_int8_t	reserved[2];
    439 } __attribute__ ((packed));
    440 
    441 
    442 /* Full command packet. */
    443 struct twa_command_packet {
    444 	struct twa_command_header	cmd_hdr;
    445 	union {
    446 		union twa_command_7k	cmd_pkt_7k;
    447 		struct twa_command_9k 	cmd_pkt_9k;
    448 	} command;
    449 } __attribute__ ((packed));
    450 
    451 
    452 /* Response queue entry. */
    453 union twa_response_queue {
    454 	struct {
    455 		u_int32_t	undefined_1:4;
    456 		u_int32_t	response_id:8;
    457 		u_int32_t	undefined_2:20;
    458 	} u;
    459 	u_int32_t	value;
    460 } __attribute__ ((packed));
    461 
    462 
    463 #define TWA_AEN_QUEUE_EMPTY		0x00
    464 #define TWA_AEN_SOFT_RESET		0x01
    465 #define TWA_AEN_SYNC_TIME_WITH_HOST	0x31
    466 #define TWA_AEN_SEVERITY_ERROR		0x1
    467 #define TWA_AEN_SEVERITY_WARNING	0x1
    468 #define TWA_AEN_SEVERITY_INFO		0x1
    469 #define TWA_AEN_SEVERITY_DEBUG		0x4
    470 
    471 #define	TWA_PARAM_DRIVESUMMARY		0x0002
    472 #define TWA_PARAM_DRIVESTATUS		3
    473 
    474 #define TWA_DRIVE_DETECTED		0x80
    475 
    476 #define	TWA_PARAM_DRIVE_TABLE		0x0200
    477 #define TWA_PARAM_DRIVESIZEINDEX	2
    478 #define TWA_PARAM_DRIVEMODELINDEX	3
    479 
    480 #define TWA_PARAM_DRIVESIZE_LENGTH	4
    481 #define TWA_PARAM_DRIVEMODEL_LENGTH	40
    482 
    483 
    484 #define TWA_PARAM_VERSION		0x0402
    485 #define TWA_PARAM_VERSION_Mon		2	/* monitor version [16] */
    486 #define TWA_PARAM_VERSION_FW		3	/* firmware version [16] */
    487 #define TWA_PARAM_VERSION_BIOS		4	/* BIOSs version [16] */
    488 #define TWA_PARAM_VERSION_PCBA		5	/* PCB version [8] */
    489 #define TWA_PARAM_VERSION_ATA		6	/* A-chip version [8] */
    490 #define TWA_PARAM_VERSION_PCI		7	/* P-chip version [8] */
    491 
    492 #define TWA_PARAM_CONTROLLER		0x0403
    493 #define TWA_PARAM_CONTROLLER_PortCount	3	/* number of ports [1] */
    494 
    495 #define TWA_PARAM_TIME_TABLE		0x40A
    496 #define TWA_PARAM_TIME_SchedulerTime	0x3
    497 
    498 #define TWA_9K_PARAM_DESCRIPTOR		0x8000
    499 
    500 
    501 struct twa_param_9k {
    502 	u_int16_t	table_id;
    503 	u_int8_t	parameter_id;
    504 	u_int8_t	reserved;
    505 	u_int16_t	parameter_size_bytes;
    506 	u_int16_t	parameter_actual_size_bytes;
    507 	u_int8_t	data[1];
    508 } __attribute__ ((packed));
    509 
    510 #endif	/* !_PCI_TWAREG_H_ */
    511