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twareg.h revision 1.2.8.2
      1 /*	$NetBSD: twareg.h,v 1.2.8.2 2006/06/21 15:05:07 yamt Exp $ */
      2 /*	$wasabi: twareg.h,v 1.11 2006/04/27 17:12:39 wrstuden Exp $	*/
      3 /*
      4  * Copyright (c) 2005-2006 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Your Wasabi Systems License Agreement specifies the terms and
      8  * conditions for use and redistribution.
      9  */
     10 
     11 
     12 /*-
     13  * Copyright (c) 2003-04 3ware, Inc.
     14  * All rights reserved.
     15  *
     16  * Redistribution and use in source and binary forms, with or without
     17  * modification, are permitted provided that the following conditions
     18  * are met:
     19  * 1. Redistributions of source code must retain the above copyright
     20  *    notice, this list of conditions and the following disclaimer.
     21  * 2. Redistributions in binary form must reproduce the above copyright
     22  *    notice, this list of conditions and the following disclaimer in the
     23  *    documentation and/or other materials provided with the distribution.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     35  * SUCH DAMAGE.
     36  *
     37  *	$FreeBSD: src/sys/dev/twa/twa_reg.h,v 1.2 2004/08/18 16:14:44 vkashyap Exp $
     38  */
     39 
     40 /*
     41  * 3ware driver for 9000 series storage controllers.
     42  *
     43  * Author: Vinod Kashyap
     44  */
     45 
     46 #ifndef _PCI_TWAREG_H_
     47 #define	_PCI_TWAREG_H_
     48 
     49 #if defined(_KERNEL)
     50 #include <machine/bus.h>
     51 
     52 /*
     53  * The following macro has no business being in twa_reg.h.  It should probably
     54  * be defined in twa_includes.h, before the #include twa_reg.h....  But that
     55  * causes the API to run into build errors.  Will leave it here for now...
     56  */
     57 #define TWA_64BIT_ADDRESSES	((sizeof(bus_addr_t) == 8) ? 1 : 0)
     58 
     59 /*
     60  * Define the following here since it relies on TWA_64BIT_ADDRESSES which
     61  * depends on sizeof(bus_addr_t), which is not exported to userland.
     62  * The userland API shouldn't care about the kernel's bus_addr_t.
     63  * For the userland API, use the array size that we would use for 32-bit
     64  * addresses since that's what we use in the sg structure definition.
     65  * The userland API does not actually appear to use the array, but it
     66  * does include the array in various command structures.
     67  */
     68 #define TWA_MAX_SG_ELEMENTS		(TWA_64BIT_ADDRESSES ? 70 : 105)
     69 #else
     70 #define TWA_MAX_SG_ELEMENTS		105
     71 #endif
     72 
     73 #define TWAQ_FREE	0
     74 #define TWAQ_BUSY	1
     75 #define TWAQ_PENDING	2
     76 #define TWAQ_COMPLETE	3
     77 #define TWAQ_IO_PENDING 4
     78 #define TWAQ_COUNT	5	/* total number of queues */
     79 
     80 #define TWA_DRIVER_VERSION_STRING		"1.00.00.000"
     81 
     82 #define TWA_REQUEST_TIMEOUT_PERIOD		60 /* seconds */
     83 
     84 #define TWA_MESSAGE_SOURCE_CONTROLLER_ERROR	3
     85 
     86 /* Register offsets from base address. */
     87 #define	TWA_CONTROL_REGISTER_OFFSET		0x0
     88 #define	TWA_STATUS_REGISTER_OFFSET		0x4
     89 #define	TWA_COMMAND_QUEUE_OFFSET		0x8
     90 #define	TWA_RESPONSE_QUEUE_OFFSET		0xC
     91 #define	TWA_COMMAND_QUEUE_OFFSET_LOW		0x20
     92 #define	TWA_COMMAND_QUEUE_OFFSET_HIGH		0x24
     93 
     94 #if defined(_KERNEL)
     95 #define TWA_WRITE_REGISTER(sc, offset, val)	\
     96 	bus_space_write_4(sc->twa_bus_iot, sc->twa_bus_ioh, offset, (u_int32_t)val)
     97 
     98 #define TWA_WRITE_COMMAND_QUEUE(sc, val)				\
     99 	do {								\
    100 		if (TWA_64BIT_ADDRESSES) {				\
    101 			/* First write the low 4 bytes, then the high 4. */  \
    102 			TWA_WRITE_REGISTER(sc, TWA_COMMAND_QUEUE_OFFSET_LOW, \
    103 						(u_int32_t)(val));	\
    104 			TWA_WRITE_REGISTER(sc, TWA_COMMAND_QUEUE_OFFSET_HIGH,\
    105 					(u_int32_t)(((u_int64_t)val)>>32));  \
    106 		} else							\
    107 			TWA_WRITE_REGISTER(sc, TWA_COMMAND_QUEUE_OFFSET,\
    108 						(u_int32_t)(val)); \
    109 	} while (0)
    110 #endif
    111 
    112 /* Control register bit definitions. */
    113 #define TWA_CONTROL_CLEAR_SBUF_WRITE_ERROR	0x00000008
    114 #define TWA_CONTROL_ISSUE_HOST_INTERRUPT	0x00000020
    115 #define TWA_CONTROL_DISABLE_INTERRUPTS		0x00000040
    116 #define TWA_CONTROL_ENABLE_INTERRUPTS		0x00000080
    117 #define TWA_CONTROL_ISSUE_SOFT_RESET		0x00000100
    118 #define TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT	0x00004000
    119 #define TWA_CONTROL_UNMASK_COMMAND_INTERRUPT	0x00008000
    120 #define TWA_CONTROL_MASK_RESPONSE_INTERRUPT	0x00010000
    121 #define TWA_CONTROL_MASK_COMMAND_INTERRUPT	0x00020000
    122 #define TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT	0x00040000
    123 #define TWA_CONTROL_CLEAR_HOST_INTERRUPT	0x00080000
    124 #define TWA_CONTROL_CLEAR_PCI_ABORT		0x00100000
    125 #define TWA_CONTROL_CLEAR_QUEUE_ERROR		0x00400000
    126 #define TWA_CONTROL_CLEAR_PARITY_ERROR		0x00800000
    127 
    128 /* Status register bit definitions. */
    129 #define TWA_STATUS_ROM_BIOS_IN_SBUF		0x00000002
    130 #define TWA_STATUS_SBUF_WRITE_ERROR		0x00000008
    131 #define TWA_STATUS_COMMAND_QUEUE_EMPTY		0x00001000
    132 #define TWA_STATUS_MICROCONTROLLER_READY	0x00002000
    133 #define TWA_STATUS_RESPONSE_QUEUE_EMPTY		0x00004000
    134 #define TWA_STATUS_COMMAND_QUEUE_FULL		0x00008000
    135 #define TWA_STATUS_RESPONSE_INTERRUPT		0x00010000
    136 #define TWA_STATUS_COMMAND_INTERRUPT		0x00020000
    137 #define TWA_STATUS_ATTENTION_INTERRUPT		0x00040000
    138 #define TWA_STATUS_HOST_INTERRUPT		0x00080000
    139 #define TWA_STATUS_PCI_ABORT_INTERRUPT		0x00100000
    140 #define TWA_STATUS_MICROCONTROLLER_ERROR	0x00200000
    141 #define TWA_STATUS_QUEUE_ERROR_INTERRUPT	0x00400000
    142 #define TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT	0x00800000
    143 #define TWA_STATUS_MINOR_VERSION_MASK		0x0F000000
    144 #define TWA_STATUS_MAJOR_VERSION_MASK		0xF0000000
    145 
    146 #define TWA_STATUS_EXPECTED_BITS		0x00002000
    147 #define TWA_STATUS_UNEXPECTED_BITS		0x00F00000
    148 
    149 /* For use with the %b printf format. */
    150 #define TWA_STATUS_BITS_DESCRIPTION \
    151 	"\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"
    152 
    153 /* Detect inconsistencies in the status register. */
    154 #define TWA_STATUS_ERRORS(x)			\
    155 	((x & TWA_STATUS_UNEXPECTED_BITS) &&	\
    156 	 (x & TWA_STATUS_MICROCONTROLLER_READY))
    157 
    158 /* PCI related defines. */
    159 #define TWA_IO_CONFIG_REG		0x10
    160 #define TWA_DEVICE_NAME			"3ware 9000 series Storage Controller"
    161 #define TWA_VENDOR_ID			0x13C1
    162 #define TWA_DEVICE_ID_9K		0x1002
    163 
    164 #define TWA_PCI_CONFIG_CLEAR_PARITY_ERROR	0xc100
    165 #define TWA_PCI_CONFIG_CLEAR_PCI_ABORT		0x2000
    166 
    167 /* Command packet opcodes. */
    168 #define TWA_OP_NOP			0x00
    169 #define TWA_OP_INIT_CONNECTION		0x01
    170 #define TWA_OP_READ			0x02
    171 #define TWA_OP_WRITE			0x03
    172 #define TWA_OP_READVERIFY		0x04
    173 #define TWA_OP_VERIFY			0x05
    174 #define TWA_OP_ZEROUNIT			0x08
    175 #define TWA_OP_REPLACEUNIT		0x09
    176 #define TWA_OP_HOTSWAP			0x0A
    177 #define TWA_OP_SELFTESTS		0x0B
    178 #define TWA_OP_SYNC_PARAM		0x0C
    179 #define TWA_OP_REORDER_UNITS		0x0D
    180 #define TWA_OP_FLUSH			0x0E
    181 #define TWA_OP_EXECUTE_SCSI_COMMAND	0x10
    182 #define TWA_OP_ATA_PASSTHROUGH		0x11
    183 #define TWA_OP_GET_PARAM		0x12
    184 #define TWA_OP_SET_PARAM		0x13
    185 #define TWA_OP_CREATEUNIT		0x14
    186 #define TWA_OP_DELETEUNIT		0x15
    187 #define TWA_OP_DOWNLOAD_FIRMWARE	0x16
    188 #define TWA_OP_REBUILDUNIT		0x17
    189 #define TWA_OP_POWER_MANAGEMENT		0x18
    190 
    191 #define TWA_OP_REMOTE_PRINT		0x1B
    192 #define TWA_OP_RESET_FIRMWARE		0x1C
    193 #define TWA_OP_DEBUG			0x1D
    194 
    195 #define TWA_OP_DIAGNOSTICS		0x1F
    196 
    197 /* Misc defines. */
    198 #define TWA_ALIGNMENT			0x4
    199 #define TWA_MAX_UNITS			16
    200 #define TWA_INIT_MESSAGE_CREDITS	0x100
    201 #define TWA_SHUTDOWN_MESSAGE_CREDITS	0x001
    202 #define TWA_64BIT_SG_ADDRESSES		0x00000001
    203 #define TWA_EXTENDED_INIT_CONNECT	0x00000002
    204 #define TWA_BASE_MODE			1
    205 #define TWA_BASE_FW_SRL			24
    206 #define TWA_BASE_FW_BRANCH		0
    207 #define TWA_BASE_FW_BUILD		1
    208 #define TWA_CURRENT_FW_SRL		28
    209 #define TWA_CURRENT_FW_BRANCH		4
    210 #define TWA_CURRENT_FW_BUILD		9
    211 #define TWA_9000_ARCH_ID		0x5	/* 9000 series controllers */
    212 #define TWA_CTLR_FW_SAME_OR_NEWER	0x00000001
    213 #define TWA_CTLR_FW_COMPATIBLE		0x00000002
    214 #define TWA_BUNDLED_FW_SAFE_TO_FLASH	0x00000004
    215 #define TWA_CTLR_FW_RECOMMENDS_FLASH	0x00000008
    216 #define NUM_FW_IMAGE_CHUNKS		5
    217 #define TWA_MAX_IO_SIZE			0x20000	/* 128K */
    218 /* #define TWA_MAX_SG_ELEMENTS		defined above */
    219 #define TWA_MAX_ATA_SG_ELEMENTS		60
    220 #define TWA_Q_LENGTH			TWA_INIT_MESSAGE_CREDITS
    221 #define TWA_MAX_RESET_TRIES		3
    222 #define TWA_SECTOR_SIZE			0x200	/* generic I/O bufffer */
    223 #define TWA_SENSE_DATA_LENGTH		18
    224 
    225 #define TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED	0x010a
    226 #define TWA_ERROR_UNIT_OFFLINE			0x0128
    227 #define TWA_ERROR_MORE_DATA			0x0231
    228 
    229 /* Scatter/Gather list entry. */
    230 struct twa_sg {
    231 #if defined(_KERNEL)
    232 	bus_addr_t	address;
    233 #else
    234 	u_int32_t	xx_address_xx;	/* Fail if userland tries to use this */
    235 #endif
    236 	u_int32_t	length;
    237 } __attribute__ ((packed));
    238 
    239 
    240 /* 7000 structures. */
    241 struct twa_command_init_connect {
    242 	u_int8_t	opcode:5;	/* TWA_OP_INITCONNECTION */
    243 	u_int8_t	res1:3;
    244 	u_int8_t	size;
    245 	u_int8_t	request_id;
    246 	u_int8_t	res2;
    247 	u_int8_t	status;
    248 	u_int8_t	flags;
    249 	u_int16_t	message_credits;
    250 	u_int32_t	features;
    251 	u_int16_t	fw_srl;
    252 	u_int16_t	fw_arch_id;
    253 	u_int16_t	fw_branch;
    254 	u_int16_t	fw_build;
    255 	u_int32_t	result;
    256 }__attribute__ ((packed));
    257 
    258 struct twa_command_download_firmware {
    259 	u_int8_t	opcode:5;	/* TWA_DOWNLOAD_FIRMWARE */
    260 	u_int8_t	sgl_offset:3;
    261 	u_int8_t	size;
    262 	u_int8_t	request_id;
    263 	u_int8_t	unit;
    264 	u_int8_t	status;
    265 	u_int8_t	flags;
    266 	u_int16_t	param;
    267 	struct twa_sg	sgl[TWA_MAX_SG_ELEMENTS];
    268 } __attribute__ ((packed));
    269 
    270 
    271 struct twa_command_reset_firmware {
    272 	u_int8_t	opcode:5;	/* TWA_OP_RESET_FIRMWARE */
    273 	u_int8_t	res1:3;
    274 	u_int8_t	size;
    275 	u_int8_t	request_id;
    276 	u_int8_t	unit;
    277 	u_int8_t	status;
    278 	u_int8_t	flags;
    279 	u_int8_t	res2;
    280 	u_int8_t	param;
    281 } __attribute__ ((packed));
    282 
    283 
    284 struct twa_command_io {
    285 	u_int8_t	opcode:5;	/* TWA_OP_READ/TWA_OP_WRITE */
    286 	u_int8_t	sgl_offset:3;
    287 	u_int8_t	size;
    288 	u_int8_t	request_id;
    289 	u_int8_t	unit:4;
    290 	u_int8_t	host_id:4;
    291 	u_int8_t	status;
    292 	u_int8_t	flags;
    293 	u_int16_t	block_count;
    294 	u_int32_t	lba;
    295 	struct twa_sg	sgl[TWA_MAX_SG_ELEMENTS];
    296 } __attribute__ ((packed));
    297 
    298 
    299 struct twa_command_hotswap {
    300 	u_int8_t	opcode:5;	/* TWA_OP_HOTSWAP */
    301 	u_int8_t	res1:3;
    302 	u_int8_t	size;
    303 	u_int8_t	request_id;
    304 	u_int8_t	unit:4;
    305 	u_int8_t	host_id:4;
    306 	u_int8_t	status;
    307 	u_int8_t	flags;
    308 	u_int8_t	action;
    309 #define TWA_OP_HOTSWAP_REMOVE		0x00	/* remove assumed-degraded unit */
    310 #define TWA_OP_HOTSWAP_ADD_CBOD		0x01	/* add CBOD to empty port */
    311 #define TWA_OP_HOTSWAP_ADD_SPARE	0x02	/* add spare to empty port */
    312 	u_int8_t	aport;
    313 } __attribute__ ((packed));
    314 
    315 
    316 struct twa_command_param {
    317 	u_int8_t	opcode:5;	/* TWA_OP_GETPARAM, TWA_OP_SETPARAM */
    318 	u_int8_t	sgl_offset:3;
    319 	u_int8_t	size;
    320 	u_int8_t	request_id;
    321 	u_int8_t	unit:4;
    322 	u_int8_t	host_id:4;
    323 	u_int8_t	status;
    324 	u_int8_t	flags;
    325 	u_int16_t	param_count;
    326 	struct twa_sg	sgl[TWA_MAX_SG_ELEMENTS];
    327 } __attribute__ ((packed));
    328 
    329 
    330 struct twa_command_rebuildunit {
    331 	u_int8_t	opcode:5;	/* TWA_OP_REBUILDUNIT */
    332 	u_int8_t	res1:3;
    333 	u_int8_t	size;
    334 	u_int8_t	request_id;
    335 	u_int8_t	src_unit:4;
    336 	u_int8_t	host_id:4;
    337 	u_int8_t	status;
    338 	u_int8_t	flags;
    339 	u_int8_t	action:7;
    340 #define TWA_OP_REBUILDUNIT_NOP		0
    341 #define TWA_OP_REBUILDUNIT_STOP		2	/* stop all rebuilds */
    342 #define TWA_OP_REBUILDUNIT_START	4	/* start rebuild with lowest unit */
    343 #define TWA_OP_REBUILDUNIT_STARTUNIT	5	/* rebuild src_unit (not supported) */
    344 	u_int8_t	cs:1;			/* request state change on src_unit */
    345 	u_int8_t	logical_subunit;	/* for RAID10 rebuild of logical subunit */
    346 } __attribute__ ((packed));
    347 
    348 
    349 struct twa_command_ata {
    350 	u_int8_t	opcode:5;	/* TWA_OP_ATA_PASSTHROUGH */
    351 	u_int8_t	sgl_offset:3;
    352 	u_int8_t	size;
    353 	u_int8_t	request_id;
    354 	u_int8_t	unit:4;
    355 	u_int8_t	host_id:4;
    356 	u_int8_t	status;
    357 	u_int8_t	flags;
    358 	u_int16_t	param;
    359 	u_int16_t	features;
    360 	u_int16_t	sector_count;
    361 	u_int16_t	sector_num;
    362 	u_int16_t	cylinder_lo;
    363 	u_int16_t	cylinder_hi;
    364 	u_int8_t	drive_head;
    365 	u_int8_t	command;
    366 	struct twa_sg	sgl[TWA_MAX_ATA_SG_ELEMENTS];
    367 } __attribute__ ((packed));
    368 
    369 
    370 struct twa_command_generic {
    371 	u_int8_t	opcode:5;
    372 	u_int8_t	sgl_offset:3;
    373 	u_int8_t	size;
    374 	u_int8_t	request_id;
    375 	u_int8_t	unit:4;
    376 	u_int8_t	host_id:4;
    377 	u_int8_t	status;
    378 	u_int8_t	flags;
    379 #define TWA_FLAGS_SUCCESS	0x00
    380 #define TWA_FLAGS_INFORMATIONAL	0x01
    381 #define TWA_FLAGS_WARNING	0x02
    382 #define TWA_FLAGS_FATAL		0x03
    383 #define TWA_FLAGS_PERCENTAGE	(1<<8)	/* bits 0-6 indicate completion percentage */
    384 	u_int16_t	count;		/* block count, parameter count, message credits */
    385 } __attribute__ ((packed));
    386 
    387 
    388 /* Command packet - must be TWA_ALIGNMENT aligned. */
    389 union twa_command_7k {
    390 	struct twa_command_init_connect		init_connect;
    391 	struct twa_command_download_firmware	download_fw;
    392 	struct twa_command_reset_firmware	reset_fw;
    393 	struct twa_command_io			io;
    394 	struct twa_command_hotswap		hotswap;
    395 	struct twa_command_param		param;
    396 	struct twa_command_rebuildunit		rebuildunit;
    397 	struct twa_command_ata			ata;
    398 	struct twa_command_generic		generic;
    399 } __attribute__ ((packed));
    400 
    401 
    402 /* 9000 structures. */
    403 
    404 /* Command Packet. */
    405 struct twa_command_9k {
    406 	struct {
    407 		u_int8_t	opcode:5;
    408 		u_int8_t	reserved:3;
    409 	} command;
    410 	u_int8_t	unit;
    411 	u_int16_t	request_id;
    412 	u_int8_t	status;
    413 	u_int8_t	sgl_offset; /* offset (in bytes) to sg_list, from the end of sgl_entries */
    414 	u_int16_t	sgl_entries;
    415 	u_int8_t	cdb[16];
    416 	struct twa_sg	sg_list[TWA_MAX_SG_ELEMENTS];
    417 	u_int8_t	padding[32];
    418 } __attribute__ ((packed));
    419 
    420 
    421 /* Command packet header. */
    422 struct twa_command_header {
    423 	u_int8_t	sense_data[TWA_SENSE_DATA_LENGTH];
    424 	struct {
    425 		int8_t		reserved[4];
    426 		u_int16_t	error;
    427 		u_int8_t	padding;
    428 		struct {
    429 			u_int8_t	severity:3;
    430 			u_int8_t	reserved:5;
    431 		} substatus_block;
    432 	} status_block;
    433 	u_int8_t	err_specific_desc[98];
    434 	struct {
    435 		u_int8_t	size_header;
    436 		u_int16_t	reserved;
    437 		u_int8_t	size_sense;
    438 	} header_desc;
    439 	u_int8_t	reserved[2];
    440 } __attribute__ ((packed));
    441 
    442 
    443 /* Full command packet. */
    444 struct twa_command_packet {
    445 	struct twa_command_header	cmd_hdr;
    446 	union {
    447 		union twa_command_7k	cmd_pkt_7k;
    448 		struct twa_command_9k 	cmd_pkt_9k;
    449 	} command;
    450 } __attribute__ ((packed));
    451 
    452 
    453 /* Response queue entry. */
    454 union twa_response_queue {
    455 	struct {
    456 		u_int32_t	undefined_1:4;
    457 		u_int32_t	response_id:8;
    458 		u_int32_t	undefined_2:20;
    459 	} u;
    460 	u_int32_t	value;
    461 } __attribute__ ((packed));
    462 
    463 
    464 #define TWA_AEN_QUEUE_EMPTY		0x00
    465 #define TWA_AEN_SOFT_RESET		0x01
    466 #define TWA_AEN_SYNC_TIME_WITH_HOST	0x31
    467 #define TWA_AEN_SEVERITY_ERROR		0x1
    468 #define TWA_AEN_SEVERITY_WARNING	0x1
    469 #define TWA_AEN_SEVERITY_INFO		0x1
    470 #define TWA_AEN_SEVERITY_DEBUG		0x4
    471 
    472 #define	TWA_PARAM_DRIVESUMMARY		0x0002
    473 #define TWA_PARAM_DRIVESTATUS		3
    474 
    475 #define TWA_DRIVE_DETECTED		0x80
    476 
    477 #define	TWA_PARAM_DRIVE_TABLE		0x0200
    478 #define TWA_PARAM_DRIVESIZEINDEX	2
    479 #define TWA_PARAM_DRIVEMODELINDEX	3
    480 
    481 #define TWA_PARAM_DRIVESIZE_LENGTH	4
    482 #define TWA_PARAM_DRIVEMODEL_LENGTH	40
    483 
    484 
    485 #define TWA_PARAM_VERSION		0x0402
    486 #define TWA_PARAM_VERSION_Mon		2	/* monitor version [16] */
    487 #define TWA_PARAM_VERSION_FW		3	/* firmware version [16] */
    488 #define TWA_PARAM_VERSION_BIOS		4	/* BIOSs version [16] */
    489 #define TWA_PARAM_VERSION_PCBA		5	/* PCB version [8] */
    490 #define TWA_PARAM_VERSION_ATA		6	/* A-chip version [8] */
    491 #define TWA_PARAM_VERSION_PCI		7	/* P-chip version [8] */
    492 
    493 #define TWA_PARAM_CONTROLLER		0x0403
    494 #define TWA_PARAM_CONTROLLER_PortCount	3	/* number of ports [1] */
    495 
    496 #define TWA_PARAM_TIME_TABLE		0x40A
    497 #define TWA_PARAM_TIME_SchedulerTime	0x3
    498 
    499 #define TWA_9K_PARAM_DESCRIPTOR		0x8000
    500 
    501 
    502 struct twa_param_9k {
    503 	u_int16_t	table_id;
    504 	u_int8_t	parameter_id;
    505 	u_int8_t	reserved;
    506 	u_int16_t	parameter_size_bytes;
    507 	u_int16_t	parameter_actual_size_bytes;
    508 	u_int8_t	data[1];
    509 } __attribute__ ((packed));
    510 
    511 #endif	/* !_PCI_TWAREG_H_ */
    512