Home | History | Annotate | Line # | Download | only in ic
bhareg.h revision 1.19.72.1
      1 /*	$NetBSD: bhareg.h,v 1.19.72.1 2008/05/18 12:33:41 yamt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
      9  * Simulation Facility, NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * Originally written by Julian Elischer (julian (at) tfs.com)
     35  * for TRW Financial Systems for use under the MACH(2.5) operating system.
     36  *
     37  * TRW Financial Systems, in accordance with their agreement with Carnegie
     38  * Mellon University, makes this software available to CMU to distribute
     39  * or use in any manner that they see fit as long as this message is kept with
     40  * the software. For this reason TFS also grants any other persons or
     41  * organisations permission to use or modify this software.
     42  *
     43  * TFS supplies this software to be publicly redistributed
     44  * on the understanding that TFS is not responsible for the correct
     45  * functioning of this software in any circumstances.
     46  */
     47 
     48 typedef u_int8_t physaddr[4];
     49 typedef u_int8_t physlen[4];
     50 #define	ltophys	_lto4l
     51 #define	phystol	_4ltol
     52 
     53 /*
     54  * I/O port offsets
     55  */
     56 #define	BHA_CTRL_PORT		0	/* control (wo) */
     57 #define	BHA_STAT_PORT		0	/* status (ro) */
     58 #define	BHA_CMD_PORT		1	/* command (wo) */
     59 #define	BHA_DATA_PORT		1	/* data (ro) */
     60 #define	BHA_INTR_PORT		2	/* interrupt status (ro) */
     61 #define	BHA_EXTGEOM_PORT	3	/* extended geometry (ro) */
     62 
     63 /*
     64  * BHA_CTRL bits
     65  */
     66 #define BHA_CTRL_HRST		0x80	/* Hardware reset */
     67 #define BHA_CTRL_SRST		0x40	/* Software reset */
     68 #define BHA_CTRL_IRST		0x20	/* Interrupt reset */
     69 #define BHA_CTRL_SCRST		0x10	/* SCSI bus reset */
     70 
     71 /*
     72  * BHA_STAT bits
     73  */
     74 #define BHA_STAT_STST		0x80	/* Self test in Progress */
     75 #define BHA_STAT_DIAGF		0x40	/* Diagnostic Failure */
     76 #define BHA_STAT_INIT		0x20	/* Mbx Init required */
     77 #define BHA_STAT_IDLE		0x10	/* Host Adapter Idle */
     78 #define BHA_STAT_CDF		0x08	/* cmd/data out port full */
     79 #define BHA_STAT_DF		0x04	/* Data in port full */
     80 #define BHA_STAT_INVDCMD	0x01	/* Invalid command */
     81 
     82 /*
     83  * BHA_CMD opcodes
     84  */
     85 #define	BHA_NOP			0x00	/* No operation */
     86 #define BHA_MBX_INIT		0x01	/* Mbx initialization */
     87 #define BHA_START_SCSI		0x02	/* start scsi command */
     88 #define	BHA_EXECUTE_BIOS_CMD	0x03	/* execute BIOS command */
     89 #define BHA_INQUIRE_REVISION	0x04	/* Adapter Inquiry */
     90 #define BHA_MBO_INTR_EN		0x05	/* Enable MBO available interrupt */
     91 #define BHA_SEL_TIMEOUT_SET	0x06	/* set selection time-out */
     92 #define BHA_BUS_ON_TIME_SET	0x07	/* set bus-on time */
     93 #define BHA_BUS_OFF_TIME_SET	0x08	/* set bus-off time */
     94 #define BHA_BUS_SPEED_SET	0x09	/* set bus transfer speed */
     95 #define BHA_INQUIRE_DEVICES	0x0a	/* return installed devices 0-7 */
     96 #define BHA_INQUIRE_CONFIG	0x0b	/* return configuration data */
     97 #define BHA_TARGET_EN		0x0c	/* enable target mode */
     98 #define BHA_INQUIRE_SETUP	0x0d	/* return setup data */
     99 #define	BHA_WRITE_LRAM		0x1a	/* write adapter local RAM */
    100 #define	BHA_READ_LRAM		0x1b	/* read adapter local RAM */
    101 #define	BHA_WRITE_CHIP_FIFO	0x1c	/* write bus master chip FIFO */
    102 #define	BHA_READ_CHIP_FIFO	0x1d	/* read bus master chip FIFO */
    103 #define BHA_ECHO		0x1f	/* Echo command byte */
    104 #define	BHA_ADAPTER_DIAGNOSTICS	0x20	/* host adapter diagnostics */
    105 #define	BHA_SET_ADAPTER_OPTIONS	0x21	/* set adapter options */
    106 #define BHA_INQUIRE_DEVICES_2	0x23	/* return installed devices 8-15 */
    107 #define	BHA_INQUIRE_TARG_DEVS	0x24	/* inquire target devices */
    108 #define	BHA_DISABLE_HAC_INTR	0x25	/* disable host adapter interrupt */
    109 #define BHA_MBX_INIT_EXTENDED	0x81	/* Mbx initialization */
    110 #define	BHA_EXECUTE_SCSI_CMD	0x83	/* execute SCSI command */
    111 #define BHA_INQUIRE_REVISION_3	0x84	/* Get 3rd firmware version byte */
    112 #define BHA_INQUIRE_REVISION_4	0x85	/* Get 4th firmware version byte */
    113 #define	BHA_INQUIRE_PCI_INFO	0x86	/* get PCI host adapter information */
    114 #define BHA_INQUIRE_MODEL	0x8b	/* Get hardware ID and revision */
    115 #define	BHA_INQUIRE_PERIOD	0x8c	/* Get synchronous period */
    116 #define BHA_INQUIRE_EXTENDED	0x8d	/* Adapter Setup Inquiry */
    117 #define	BHA_ROUND_ROBIN		0x8f	/* Enable/Disable(default)
    118 					   round robin */
    119 #define	BHA_STORE_LRAM		0x90	/* store host adapter local RAM */
    120 #define	BHA_FETCH_LRAM		0x91	/* fetch host adapter local RAM */
    121 #define	BHA_SAVE_TO_EEPROM	0x92	/* store local RAM data in EEPROM */
    122 #define	BHA_UPLOAD_AUTOSCSI	0x94	/* upload AutoSCSI code */
    123 #define BHA_MODIFY_IOPORT	0x95	/* change or disable I/O port */
    124 #define	BHA_SET_CCB_FORMAT	0x96	/* set CCB format (legacy/wide lun) */
    125 #define	BHA_WRITE_INQUIRY_BUF	0x9a	/* write inquiry buffer */
    126 #define	BHA_READ_INQUIRY_BUF	0x9b	/* read inquiry buffer */
    127 #define	BHA_FLASH_UP_DOWNLOAD	0xa7	/* flash upload/downlod */
    128 #define	BHA_READ_SCAM_DATA	0xa8	/* read SCAM data */
    129 #define	BHA_WRITE_SCAM_DATA	0xa9	/* write SCAM data */
    130 
    131 /*
    132  * BHA_INTR bits
    133  */
    134 #define BHA_INTR_ANYINTR	0x80	/* Any interrupt */
    135 #define BHA_INTR_SCRD		0x08	/* SCSI reset detected */
    136 #define BHA_INTR_HACC		0x04	/* Command complete */
    137 #define BHA_INTR_MBOA		0x02	/* MBX out empty */
    138 #define BHA_INTR_MBIF		0x01	/* MBX in full */
    139 
    140 struct bha_mbx_out {
    141 	physaddr ccb_addr;
    142 	u_int8_t reserved[3];
    143 	u_int8_t cmd;
    144 };
    145 
    146 struct bha_mbx_in {
    147 	physaddr ccb_addr;
    148 	u_int8_t host_stat;
    149 	u_int8_t target_stat;
    150 	u_int8_t reserved;
    151 	u_int8_t comp_stat;
    152 };
    153 
    154 /*
    155  * mbo.cmd values
    156  */
    157 #define BHA_MBO_FREE	0x0	/* MBO entry is free */
    158 #define BHA_MBO_START	0x1	/* MBO activate entry */
    159 #define BHA_MBO_ABORT	0x2	/* MBO abort entry */
    160 
    161 /*
    162  * mbi.comp_stat values
    163  */
    164 #define BHA_MBI_FREE	0x0	/* MBI entry is free */
    165 #define BHA_MBI_OK	0x1	/* completed without error */
    166 #define BHA_MBI_ABORT	0x2	/* aborted ccb */
    167 #define BHA_MBI_UNKNOWN	0x3	/* Tried to abort invalid CCB */
    168 #define BHA_MBI_ERROR	0x4	/* Completed with error */
    169 
    170 #if	defined(BIG_DMA)
    171 WARNING...THIS WON'T WORK(won't fit on 1 page)
    172 #if 0
    173 #define      BHA_NSEG 2048    /* Number of scatter gather segments - to much vm */
    174 #endif
    175 #define	BHA_NSEG	128
    176 #else
    177 #define	BHA_NSEG	33
    178 #endif /* BIG_DMA */
    179 
    180 struct bha_scat_gath {
    181 	physlen  seg_len;
    182 	physaddr seg_addr;
    183 };
    184 
    185 struct bha_ccb {
    186 	u_int8_t	opcode;
    187 #if BYTE_ORDER == LITTLE_ENDIAN
    188 	u_int8_t				:3,
    189 			data_in			:1,
    190 			data_out		:1,
    191 			wide_tag_enable		:1, /* Wide Lun CCB format */
    192 			wide_tag_type		:2; /* Wide Lun CCB format */
    193 #else
    194 	u_int8_t	wide_tag_type		:2, /* Wide Lun CCB format */
    195 			wide_tag_enable		:1, /* Wide Lun CCB format */
    196 			data_out		:1,
    197 			data_in			:1,
    198 						:3;
    199 #endif
    200 	u_int8_t	scsi_cmd_length;
    201 	u_int8_t	req_sense_length;
    202 	/*------------------------------------longword boundary */
    203 	physlen		data_length;
    204 	/*------------------------------------longword boundary */
    205 	physaddr	data_addr;
    206 	/*------------------------------------longword boundary */
    207 	u_int8_t	reserved1[2];
    208 	u_int8_t	host_stat;
    209 	u_int8_t	target_stat;
    210 	/*------------------------------------longword boundary */
    211 	u_int8_t	target;
    212 #if BYTE_ORDER == LITTLE_ENDIAN
    213 	u_int8_t	lun			:5,
    214 			tag_enable		:1,
    215 			tag_type		:2;
    216 #else
    217 	u_int8_t	tag_type		:2,
    218 			tag_enable		:1,
    219 			lun			:5;
    220 #endif
    221 	u_int8_t	scsi_cmd[12];
    222 	u_int8_t	reserved2[1];
    223 	u_int8_t	link_id;
    224 	/*------------------------------------longword boundary */
    225 	physaddr	link_addr;
    226 	/*------------------------------------longword boundary */
    227 	physaddr	sense_ptr;
    228 /*-----end of HW fields-----------------------longword boundary */
    229 	struct scsi_sense_data scsi_sense;
    230 	/*------------------------------------longword boundary */
    231 	struct bha_scat_gath scat_gath[BHA_NSEG];
    232 	/*------------------------------------longword boundary */
    233 	TAILQ_ENTRY(bha_ccb) chain;
    234 	struct bha_ccb	*nexthash;
    235 	bus_addr_t	hashkey;
    236 
    237 	struct scsipi_xfer *xs;		/* the scsipi_xfer for this cmd */
    238 
    239 	int flags;
    240 #define	CCB_ALLOC	0x01
    241 #define	CCB_ABORT	0x02
    242 #ifdef BHADIAG
    243 #define	CCB_SENDING	0x04
    244 #endif
    245 	int timeout;
    246 
    247 	/*
    248 	 * This DMA map maps the buffer involved in the transfer.
    249 	 * Its contents are loaded into "scat_gath" above.
    250 	 */
    251 	bus_dmamap_t	dmamap_xfer;
    252 };
    253 
    254 /*
    255  * opcode fields
    256  */
    257 #define BHA_INITIATOR_CCB	0x00	/* SCSI Initiator CCB */
    258 #define BHA_TARGET_CCB		0x01	/* SCSI Target CCB */
    259 #define BHA_INIT_SCAT_GATH_CCB	0x02	/* SCSI Initiator with S/G */
    260 #define	BHA_INIT_RESID_CCB	0x03	/* SCSI Initiator w/ residual */
    261 #define	BHA_INIT_RESID_SG_CCB	0x04	/* SCSI Initiator w/ residual and S/G */
    262 #define BHA_RESET_CCB		0x81	/* SCSI Bus reset */
    263 
    264 /*
    265  * bha_ccb.host_stat values
    266  */
    267 #define BHA_OK			0x00	/* cmd ok */
    268 #define BHA_LINK_OK		0x0a	/* Link cmd ok */
    269 #define BHA_LINK_IT		0x0b	/* Link cmd ok + int */
    270 #define	BHA_DATA_UNDRN		0x0c	/* data underrun error */
    271 #define BHA_SEL_TIMEOUT		0x11	/* Selection time out */
    272 #define BHA_OVER_UNDER		0x12	/* Data over/under run */
    273 #define BHA_BUS_FREE		0x13	/* Bus dropped at unexpected time */
    274 #define BHA_INV_BUS		0x14	/* Invalid bus phase/sequence */
    275 #define BHA_BAD_MBO		0x15	/* Incorrect MBO cmd */
    276 #define BHA_BAD_CCB		0x16	/* Incorrect ccb opcode */
    277 #define BHA_BAD_LINK		0x17	/* Not same values of LUN for links */
    278 #define BHA_INV_TARGET		0x18	/* Invalid target direction */
    279 #define BHA_CCB_DUP		0x19	/* Duplicate CCB received */
    280 #define BHA_INV_CCB		0x1a	/* Invalid CCB or segment list */
    281 #define	BHA_AUTOSENSE_FAILED	0x1b	/* auto REQUEST SENSE failed */
    282 #define	BHA_TAGGED_MSG_REJ	0x1c	/* tagged queueing message rejected */
    283 #define	BHA_UNSUP_MSG_RECVD	0x1d	/* unsupported message received */
    284 #define	BHA_HARDWARE_FAILURE	0x20	/* host adapter hardware failure */
    285 #define	BHA_TARG_IGNORED_ATN	0x21	/* target ignored ATN signal */
    286 #define	BHA_HA_SCSI_BUS_RESET	0x22	/* host adapter asserted RST */
    287 #define	BHA_OTHER_SCSI_BUS_RESET 0x23	/* other device asserted RST */
    288 #define	BHA_BAD_RECONNECT	0x24	/* target reconnected improperly */
    289 #define	BHA_HA_BUS_DEVICE_RESET	0x25	/* host adapter performed BDR */
    290 #define	BHA_ABORT_QUEUE		0x26	/* abort queue generated */
    291 #define	BHA_SOFTWARE_FAILURE	0x27	/* host adapter software failure */
    292 #define	BHA_HARDWARE_WATCHDOG	0x30	/* host adapter watchdog timer fired */
    293 #define	BHA_SCSI_PARITY_ERROR	0x34	/* SCSI parity error detected */
    294 
    295 struct bha_extended_inquire {
    296 	struct {
    297 		u_char	opcode;
    298 		u_char	len;
    299 	} cmd;
    300 	struct {
    301 		u_char	bus_type;	/* Type of bus connected to */
    302 #define	BHA_BUS_TYPE_24BIT	'A'	/* ISA bus */
    303 #define	BHA_BUS_TYPE_32BIT	'E'	/* EISA/VLB/PCI bus */
    304 #define	BHA_BUS_TYPE_MCA	'M'	/* MicroChannel bus */
    305 		u_char	bios_address;	/* Address of adapter BIOS */
    306 		u_short sg_limit;
    307 		u_char	mbox_count;
    308 		u_char	mbox_baseaddr[4]; /* packed/unaligned u_int32_t */
    309 		u_char	intrflags;
    310 #define	BHA_INTR_FASTEISA	0x04
    311 #define BHA_INTR_LEVEL		0x40	/* bit 6: level-sensitive interrupt */
    312 		u_char	firmware_level[3]; /* last 3 digits of firmware rev */
    313 		u_char	scsi_flags;	/* supported SCSI features */
    314 #define BHA_SCSI_WIDE		0x01	/* host adapter is wide */
    315 #define BHA_SCSI_DIFFERENTIAL	0x02	/* host adapter is differential */
    316 #define BHA_SCSI_SCAM		0x04	/* host adapter supports SCAM */
    317 #define BHA_SCSI_ULTRA		0x08	/* host adapter supports Ultra */
    318 #define BHA_SCSI_TERMINATION	0x10	/* host adapter supports smart
    319 					   termination */
    320 	} reply;
    321 };
    322 
    323 struct bha_config {
    324 	struct {
    325 		u_char	opcode;
    326 	} cmd;
    327 	struct {
    328 		u_char  chan;
    329 		u_char  intr;
    330 #if BYTE_ORDER == LITTLE_ENDIAN
    331 		u_char  scsi_dev :3,
    332 				 :5;
    333 #else
    334 		u_char		 :5,
    335 			scsi_dev :3;
    336 #endif
    337 	} reply;
    338 };
    339 
    340 struct bha_toggle {
    341 	struct {
    342 		u_char	opcode;
    343 		u_char	enable;
    344 	} cmd;
    345 };
    346 
    347 struct bha_mailbox {
    348 	struct {
    349 		u_char	opcode;
    350 		u_char	nmbx;
    351 		physaddr addr;
    352 	} cmd;
    353 };
    354 
    355 struct bha_model {
    356 	struct {
    357 		u_char	opcode;
    358 		u_char	len;
    359 	} cmd;
    360 	struct {
    361 		u_char	id[4];		/* i.e bt742a -> '7','4','2','A' */
    362 		u_char	version[2];	/* i.e Board Revision 'H' -> 'H', 0x00 */
    363 	} reply;
    364 };
    365 
    366 struct bha_revision {
    367 	struct {
    368 		u_char	opcode;
    369 	} cmd;
    370 	struct {
    371 		u_char  board_type;
    372 		u_char  custom_feature;
    373 		char    firm_revision;
    374 		u_char  firm_version;
    375 	} reply;
    376 };
    377 
    378 struct bha_digit {
    379 	struct {
    380 		u_char	opcode;
    381 	} cmd;
    382 	struct {
    383 		u_char  digit;
    384 	} reply;
    385 };
    386 
    387 struct bha_devices {
    388 	struct {
    389 		u_char	opcode;
    390 	} cmd;
    391 	struct {
    392 		u_char	lun_map[8];
    393 	} reply;
    394 };
    395 
    396 struct bha_sync {
    397 #if BYTE_ORDER == LITTLE_ENDIAN
    398 	u_char	offset	:4,
    399 		period	:3,
    400 		valid	:1;
    401 #else
    402 	u_char	valid	:1,
    403 		period	:3,
    404 		offset	:4;
    405 #endif
    406 };
    407 
    408 struct bha_setup_reply {
    409 #if BYTE_ORDER == LITTLE_ENDIAN
    410 	u_int8_t	sync_neg	:1,
    411 			parity		:1,
    412 					:6;
    413 #else
    414 	u_int8_t			:6,
    415 			parity		:1,
    416 			sync_neg	:1;
    417 #endif
    418 	u_int8_t	speed;
    419 	u_int8_t	bus_on;
    420 	u_int8_t	bus_off;
    421 	u_int8_t	num_mbx;
    422 	u_int8_t	mbx[3];		/*XXX */
    423 	/* doesn't make sense with 32bit addresses */
    424 	struct bha_sync	sync_low[8];
    425 	u_int8_t	low_disc_info;
    426 };
    427 
    428 /* additional reply data supplied by wide controllers */
    429 struct bha_setup_reply_wide {
    430 	u_int8_t	signature;
    431 	u_int8_t	letter_d;
    432 	u_int8_t	ha_type;
    433 	u_int8_t	low_wide_allowed;
    434 	u_int8_t	low_wide_active;
    435 	struct bha_sync	sync_high[8];
    436 	u_int8_t	high_disc_info;
    437 	u_int8_t	reserved;
    438 	u_int8_t	high_wide_allowed;
    439 	u_int8_t	high_wide_active;
    440 };
    441 
    442 struct bha_setup {
    443 	struct {
    444 		u_char	opcode;
    445 		u_char	len;
    446 	} cmd;
    447 	struct bha_setup_reply reply;
    448 	struct bha_setup_reply_wide reply_w;	/* for wide controllers */
    449 };
    450 
    451 struct bha_period_reply {
    452 	u_char	period[8];
    453 };
    454 
    455 struct bha_period {
    456 	struct {
    457 		u_char	opcode;
    458 		u_char	len;
    459 	} cmd;
    460 	struct bha_period_reply reply;
    461 	struct bha_period_reply reply_w;	/* for wide controllers */
    462 };
    463 
    464 struct bha_isadisable {
    465 	struct {
    466 		u_char	opcode;
    467 		u_char	modifier;
    468 	} cmd;
    469 };
    470 
    471 /*
    472  * bha_isadisable.modifier parameters
    473  */
    474 #define BHA_IOMODIFY_330	0x00
    475 #define BHA_IOMODIFY_334	0x01
    476 #define BHA_IOMODIFY_DISABLE1	0x06
    477 #define BHA_IOMODIFY_DISABLE2	0x07
    478 
    479 #define INT9	0x01
    480 #define INT10	0x02
    481 #define INT11	0x04
    482 #define INT12	0x08
    483 #define INT14	0x20
    484 #define INT15	0x40
    485 
    486 #define EISADMA	0x00
    487 #define CHAN0	0x01
    488 #define CHAN5	0x20
    489 #define CHAN6	0x40
    490 #define CHAN7	0x80
    491