Home | History | Annotate | Line # | Download | only in ic
      1 /*	$NetBSD: bhareg.h,v 1.21 2017/02/26 23:30:14 jdolecek 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 #define BHA_MBI_BADCCB	0x5	/* invalid CCB */
    170 
    171 #if	defined(BIG_DMA)
    172 WARNING...THIS WON'T WORK(won't fit on 1 page)
    173 #if 0
    174 #define      BHA_NSEG 2048    /* Number of scatter gather segments - to much vm */
    175 #endif
    176 #define	BHA_NSEG	128
    177 #else
    178 #define	BHA_NSEG	33
    179 #endif /* BIG_DMA */
    180 
    181 struct bha_scat_gath {
    182 	physlen  seg_len;
    183 	physaddr seg_addr;
    184 };
    185 
    186 struct bha_ccb {
    187 	u_int8_t	opcode;
    188 #if BYTE_ORDER == LITTLE_ENDIAN
    189 	u_int8_t				:3,
    190 			data_in			:1,
    191 			data_out		:1,
    192 			wide_tag_enable		:1, /* Wide Lun CCB format */
    193 			wide_tag_type		:2; /* Wide Lun CCB format */
    194 #else
    195 	u_int8_t	wide_tag_type		:2, /* Wide Lun CCB format */
    196 			wide_tag_enable		:1, /* Wide Lun CCB format */
    197 			data_out		:1,
    198 			data_in			:1,
    199 						:3;
    200 #endif
    201 	u_int8_t	scsi_cmd_length;
    202 	u_int8_t	req_sense_length;
    203 	/*------------------------------------longword boundary */
    204 	physlen		data_length;
    205 	/*------------------------------------longword boundary */
    206 	physaddr	data_addr;
    207 	/*------------------------------------longword boundary */
    208 	u_int8_t	reserved1[2];
    209 	u_int8_t	host_stat;
    210 	u_int8_t	target_stat;
    211 	/*------------------------------------longword boundary */
    212 	u_int8_t	target;
    213 #if BYTE_ORDER == LITTLE_ENDIAN
    214 	u_int8_t	lun			:5,
    215 			tag_enable		:1,
    216 			tag_type		:2;
    217 #else
    218 	u_int8_t	tag_type		:2,
    219 			tag_enable		:1,
    220 			lun			:5;
    221 #endif
    222 	u_int8_t	scsi_cmd[12];
    223 	u_int8_t	reserved2[1];
    224 	u_int8_t	link_id;
    225 	/*------------------------------------longword boundary */
    226 	physaddr	link_addr;
    227 	/*------------------------------------longword boundary */
    228 	physaddr	sense_ptr;
    229 /*-----end of HW fields-----------------------longword boundary */
    230 	struct scsi_sense_data scsi_sense;
    231 	/*------------------------------------longword boundary */
    232 	struct bha_scat_gath scat_gath[BHA_NSEG];
    233 	/*------------------------------------longword boundary */
    234 	TAILQ_ENTRY(bha_ccb) chain;
    235 	struct bha_ccb	*nexthash;
    236 	bus_addr_t	hashkey;
    237 
    238 	struct scsipi_xfer *xs;		/* the scsipi_xfer for this cmd */
    239 
    240 	int flags;
    241 #define	CCB_ALLOC	0x01
    242 #define	CCB_ABORT	0x02
    243 #ifdef BHADIAG
    244 #define	CCB_SENDING	0x04
    245 #endif
    246 	int timeout;
    247 
    248 	/*
    249 	 * This DMA map maps the buffer involved in the transfer.
    250 	 * Its contents are loaded into "scat_gath" above.
    251 	 */
    252 	bus_dmamap_t	dmamap_xfer;
    253 };
    254 
    255 /*
    256  * opcode fields
    257  */
    258 #define BHA_INITIATOR_CCB	0x00	/* SCSI Initiator CCB */
    259 #define BHA_TARGET_CCB		0x01	/* SCSI Target CCB */
    260 #define BHA_INIT_SCAT_GATH_CCB	0x02	/* SCSI Initiator with S/G */
    261 #define	BHA_INIT_RESID_CCB	0x03	/* SCSI Initiator w/ residual */
    262 #define	BHA_INIT_RESID_SG_CCB	0x04	/* SCSI Initiator w/ residual and S/G */
    263 #define BHA_RESET_CCB		0x81	/* SCSI Bus reset */
    264 
    265 /*
    266  * bha_ccb.host_stat values
    267  */
    268 #define BHA_OK			0x00	/* cmd ok */
    269 #define BHA_LINK_OK		0x0a	/* Link cmd ok */
    270 #define BHA_LINK_IT		0x0b	/* Link cmd ok + int */
    271 #define	BHA_DATA_UNDRN		0x0c	/* data underrun error */
    272 #define BHA_SEL_TIMEOUT		0x11	/* Selection time out */
    273 #define BHA_OVER_UNDER		0x12	/* Data over/under run */
    274 #define BHA_BUS_FREE		0x13	/* Bus dropped at unexpected time */
    275 #define BHA_INV_BUS		0x14	/* Invalid bus phase/sequence */
    276 #define BHA_BAD_MBO		0x15	/* Incorrect MBO cmd */
    277 #define BHA_BAD_CCB		0x16	/* Incorrect ccb opcode */
    278 #define BHA_BAD_LINK		0x17	/* Not same values of LUN for links */
    279 #define BHA_INV_TARGET		0x18	/* Invalid target direction */
    280 #define BHA_CCB_DUP		0x19	/* Duplicate CCB received */
    281 #define BHA_INV_CCB		0x1a	/* Invalid CCB or segment list */
    282 #define	BHA_AUTOSENSE_FAILED	0x1b	/* auto REQUEST SENSE failed */
    283 #define	BHA_TAGGED_MSG_REJ	0x1c	/* tagged queueing message rejected */
    284 #define	BHA_UNSUP_MSG_RECVD	0x1d	/* unsupported message received */
    285 #define	BHA_HARDWARE_FAILURE	0x20	/* host adapter hardware failure */
    286 #define	BHA_TARG_IGNORED_ATN	0x21	/* target ignored ATN signal */
    287 #define	BHA_HA_SCSI_BUS_RESET	0x22	/* host adapter asserted RST */
    288 #define	BHA_OTHER_SCSI_BUS_RESET 0x23	/* other device asserted RST */
    289 #define	BHA_BAD_RECONNECT	0x24	/* target reconnected improperly */
    290 #define	BHA_HA_BUS_DEVICE_RESET	0x25	/* host adapter performed BDR */
    291 #define	BHA_ABORT_QUEUE		0x26	/* abort queue generated */
    292 #define	BHA_SOFTWARE_FAILURE	0x27	/* host adapter software failure */
    293 #define	BHA_HARDWARE_WATCHDOG	0x30	/* host adapter watchdog timer fired */
    294 #define	BHA_SCSI_PARITY_ERROR	0x34	/* SCSI parity error detected */
    295 
    296 struct bha_extended_inquire {
    297 	struct {
    298 		u_char	opcode;
    299 		u_char	len;
    300 	} cmd;
    301 	struct {
    302 		u_char	bus_type;	/* Type of bus connected to */
    303 #define	BHA_BUS_TYPE_24BIT	'A'	/* ISA bus */
    304 #define	BHA_BUS_TYPE_32BIT	'E'	/* EISA/VLB/PCI bus */
    305 #define	BHA_BUS_TYPE_MCA	'M'	/* MicroChannel bus */
    306 		u_char	bios_address;	/* Address of adapter BIOS */
    307 		u_short sg_limit;
    308 		u_char	mbox_count;
    309 		u_char	mbox_baseaddr[4]; /* packed/unaligned u_int32_t */
    310 		u_char	intrflags;
    311 #define	BHA_INTR_FASTEISA	0x04
    312 #define BHA_INTR_LEVEL		0x40	/* bit 6: level-sensitive interrupt */
    313 		u_char	firmware_level[3]; /* last 3 digits of firmware rev */
    314 		u_char	scsi_flags;	/* supported SCSI features */
    315 #define BHA_SCSI_WIDE		0x01	/* host adapter is wide */
    316 #define BHA_SCSI_DIFFERENTIAL	0x02	/* host adapter is differential */
    317 #define BHA_SCSI_SCAM		0x04	/* host adapter supports SCAM */
    318 #define BHA_SCSI_ULTRA		0x08	/* host adapter supports Ultra */
    319 #define BHA_SCSI_TERMINATION	0x10	/* host adapter supports smart
    320 					   termination */
    321 	} reply;
    322 };
    323 
    324 struct bha_config {
    325 	struct {
    326 		u_char	opcode;
    327 	} cmd;
    328 	struct {
    329 		u_char  chan;
    330 		u_char  intr;
    331 #if BYTE_ORDER == LITTLE_ENDIAN
    332 		u_char  scsi_dev :3,
    333 				 :5;
    334 #else
    335 		u_char		 :5,
    336 			scsi_dev :3;
    337 #endif
    338 	} reply;
    339 };
    340 
    341 struct bha_toggle {
    342 	struct {
    343 		u_char	opcode;
    344 		u_char	enable;
    345 	} cmd;
    346 };
    347 
    348 struct bha_mailbox {
    349 	struct {
    350 		u_char	opcode;
    351 		u_char	nmbx;
    352 		physaddr addr;
    353 	} cmd;
    354 };
    355 
    356 struct bha_model {
    357 	struct {
    358 		u_char	opcode;
    359 		u_char	len;
    360 	} cmd;
    361 	struct {
    362 		u_char	id[4];		/* i.e bt742a -> '7','4','2','A' */
    363 		u_char	version[2];	/* i.e Board Revision 'H' -> 'H', 0x00 */
    364 	} reply;
    365 };
    366 
    367 struct bha_revision {
    368 	struct {
    369 		u_char	opcode;
    370 	} cmd;
    371 	struct {
    372 		u_char  board_type;
    373 		u_char  custom_feature;
    374 		char    firm_revision;
    375 		u_char  firm_version;
    376 	} reply;
    377 };
    378 
    379 struct bha_digit {
    380 	struct {
    381 		u_char	opcode;
    382 	} cmd;
    383 	struct {
    384 		u_char  digit;
    385 	} reply;
    386 };
    387 
    388 struct bha_devices {
    389 	struct {
    390 		u_char	opcode;
    391 	} cmd;
    392 	struct {
    393 		u_char	lun_map[8];
    394 	} reply;
    395 };
    396 
    397 struct bha_sync {
    398 #if BYTE_ORDER == LITTLE_ENDIAN
    399 	u_char	offset	:4,
    400 		period	:3,
    401 		valid	:1;
    402 #else
    403 	u_char	valid	:1,
    404 		period	:3,
    405 		offset	:4;
    406 #endif
    407 };
    408 
    409 struct bha_setup_reply {
    410 #if BYTE_ORDER == LITTLE_ENDIAN
    411 	u_int8_t	sync_neg	:1,
    412 			parity		:1,
    413 					:6;
    414 #else
    415 	u_int8_t			:6,
    416 			parity		:1,
    417 			sync_neg	:1;
    418 #endif
    419 	u_int8_t	speed;
    420 	u_int8_t	bus_on;
    421 	u_int8_t	bus_off;
    422 	u_int8_t	num_mbx;
    423 	u_int8_t	mbx[3];		/*XXX */
    424 	/* doesn't make sense with 32bit addresses */
    425 	struct bha_sync	sync_low[8];
    426 	u_int8_t	low_disc_info;
    427 };
    428 
    429 /* additional reply data supplied by wide controllers */
    430 struct bha_setup_reply_wide {
    431 	u_int8_t	signature;
    432 	u_int8_t	letter_d;
    433 	u_int8_t	ha_type;
    434 	u_int8_t	low_wide_allowed;
    435 	u_int8_t	low_wide_active;
    436 	struct bha_sync	sync_high[8];
    437 	u_int8_t	high_disc_info;
    438 	u_int8_t	reserved;
    439 	u_int8_t	high_wide_allowed;
    440 	u_int8_t	high_wide_active;
    441 };
    442 
    443 struct bha_setup {
    444 	struct {
    445 		u_char	opcode;
    446 		u_char	len;
    447 	} cmd;
    448 	struct bha_setup_reply reply;
    449 	struct bha_setup_reply_wide reply_w;	/* for wide controllers */
    450 };
    451 
    452 struct bha_period_reply {
    453 	u_char	period[8];
    454 };
    455 
    456 struct bha_period {
    457 	struct {
    458 		u_char	opcode;
    459 		u_char	len;
    460 	} cmd;
    461 	struct bha_period_reply reply;
    462 	struct bha_period_reply reply_w;	/* for wide controllers */
    463 };
    464 
    465 struct bha_isadisable {
    466 	struct {
    467 		u_char	opcode;
    468 		u_char	modifier;
    469 	} cmd;
    470 };
    471 
    472 /*
    473  * bha_isadisable.modifier parameters
    474  */
    475 #define BHA_IOMODIFY_330	0x00
    476 #define BHA_IOMODIFY_334	0x01
    477 #define BHA_IOMODIFY_DISABLE1	0x06
    478 #define BHA_IOMODIFY_DISABLE2	0x07
    479 
    480 #define INT9	0x01
    481 #define INT10	0x02
    482 #define INT11	0x04
    483 #define INT12	0x08
    484 #define INT14	0x20
    485 #define INT15	0x40
    486 
    487 #define EISADMA	0x00
    488 #define CHAN0	0x01
    489 #define CHAN5	0x20
    490 #define CHAN6	0x40
    491 #define CHAN7	0x80
    492