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      1 /*	$NetBSD: dptreg.h,v 1.19 2008/09/08 23:36:54 gmcgarry Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1999, 2000, 2001 Andrew Doran <ad (at) NetBSD.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #ifndef	_IC_DPTREG_H_
     31 #define	_IC_DPTREG_H_	1
     32 
     33 /* Hardware limits */
     34 #define DPT_MAX_TARGETS		16
     35 #define DPT_MAX_LUNS		8
     36 #define DPT_MAX_CHANNELS	3
     37 
     38 /*
     39  * HBA registers
     40  */
     41 #define HA_DATA			0
     42 #define HA_ERROR		1
     43 #define HA_DMA_BASE		2
     44 #define HA_ICMD_CODE2	       	4
     45 #define HA_ICMD_CODE1	       	5
     46 #define HA_ICMD			6
     47 
     48 /* EATA commands. There are many more that we don't define or use. */
     49 #define HA_COMMAND		7
     50 #define   CP_PIO_GETCFG		0xf0	/* Read configuration data, PIO */
     51 #define   CP_PIO_CMD		0xf2	/* Execute command, PIO */
     52 #define   CP_DMA_GETCFG		0xfd	/* Read configuration data, DMA */
     53 #define   CP_DMA_CMD		0xff	/* Execute command, DMA */
     54 #define   CP_PIO_TRUNCATE	0xf4	/* Truncate transfer command, PIO */
     55 #define   CP_RESET		0xf9	/* Reset controller and SCSI bus */
     56 #define   CP_REBOOT		0x06	/* Reboot controller (last resort) */
     57 #define   CP_IMMEDIATE		0xfa	/* EATA immediate command */
     58 #define     CPI_GEN_ABORT	0x00	/* Generic abort */
     59 #define     CPI_SPEC_RESET	0x01	/* Specific reset */
     60 #define     CPI_BUS_RESET	0x02	/* Bus reset */
     61 #define     CPI_SPEC_ABORT	0x03	/* Specific abort */
     62 #define     CPI_QUIET_INTR	0x04	/* ?? */
     63 #define     CPI_ROM_DL_EN	0x05	/* ?? */
     64 #define     CPI_COLD_BOOT	0x06	/* Cold boot HBA */
     65 #define     CPI_FORCE_IO	0x07	/* ?? */
     66 #define     CPI_BUS_OFFLINE	0x08	/* Set SCSI bus offline */
     67 #define     CPI_RESET_MSKD_BUS	0x09	/* Reset masked bus */
     68 #define     CPI_POWEROFF_WARN	0x0a	/* Power about to fail */
     69 
     70 #define HA_STATUS		7
     71 #define   HA_ST_ERROR		0x01
     72 #define   HA_ST_MORE		0x02
     73 #define   HA_ST_CORRECTD	0x04
     74 #define   HA_ST_DRQ		0x08
     75 #define   HA_ST_SEEK_COMPLETE	0x10
     76 #define   HA_ST_WRT_FLT		0x20
     77 #define   HA_ST_READY		0x40
     78 #define   HA_ST_BUSY		0x80
     79 #define   HA_ST_DATA_RDY	(HA_ST_SEEK_COMPLETE|HA_ST_READY|HA_ST_DRQ)
     80 
     81 #define HA_AUX_STATUS		8
     82 #define   HA_AUX_BUSY		0x01
     83 #define   HA_AUX_INTR		0x02
     84 
     85 /*
     86  * Structure of an EATA command packet.
     87  */
     88 struct eata_cp {
     89 	u_int8_t	cp_ctl0;		/* Control flags 0 */
     90 	u_int8_t	cp_senselen;		/* Request sense length */
     91 	u_int8_t	cp_unused0[3];		/* Unused */
     92 	u_int8_t	cp_ctl1;		/* Control flags 1 */
     93 	u_int8_t	cp_ctl2;		/* Control flags 2 */
     94 	u_int8_t	cp_ctl3;		/* Control flags 3 */
     95 	u_int8_t	cp_ctl4;		/* Control flags 4 */
     96 	u_int8_t	cp_msg[3];		/* Message bytes 0-3 */
     97 	u_int8_t	cp_cdb_cmd;		/* SCSI CDB */
     98 	u_int8_t	cp_cdb_more0[3];	/* SCSI CDB */
     99 	u_int8_t	cp_cdb_len;		/* SCSI CDB */
    100 	u_int8_t	cp_cdb_more1[7];	/* SCSI CDB */
    101 
    102 	u_int32_t	cp_datalen;		/* Bytes of data/SG list */
    103 	u_int32_t	cp_ccbid;		/* ID of software CCB */
    104 	u_int32_t	cp_dataaddr;		/* Addr of data/SG list */
    105 	u_int32_t	cp_stataddr;		/* Addr of status packet */
    106 	u_int32_t	cp_senseaddr;		/* Addr of req. sense */
    107 } __packed;
    108 
    109 struct eata_ucp {
    110 	u_int8_t	ucp_cp[sizeof(struct eata_cp) - 5*4];	/* XXX */
    111 	u_long		ucp_datalen;
    112 	u_long		ucp_ccbid;
    113 	void *		ucp_dataaddr;
    114 	void *		ucp_stataddr;
    115 	void *		ucp_senseaddr;
    116 	u_long		ucp_timeout;
    117 	u_int8_t	ucp_hstatus;
    118 	u_int8_t	ucp_tstatus;
    119 	u_int8_t	ucp_retries;
    120 	u_int8_t	ucp_padding;
    121 } __packed;
    122 
    123 #define CP_C0_SCSI_RESET	0x01	/* Cause a bus reset */
    124 #define CP_C0_HBA_INIT		0x02	/* Reinitialize HBA */
    125 #define CP_C0_AUTO_SENSE	0x04	/* Auto request sense on error */
    126 #define CP_C0_SCATTER		0x08	/* Do scatter/gather I/O */
    127 #define CP_C0_QUICK		0x10	/* Return no status packet */
    128 #define CP_C0_INTERPRET		0x20	/* HBA interprets SCSI CDB */
    129 #define CP_C0_DATA_OUT		0x40	/* Data out phase */
    130 #define CP_C0_DATA_IN		0x80	/* Data in phase */
    131 
    132 #define CP_C1_TO_PHYS		0x01	/* Send to RAID component */
    133 #define CP_C1_RESERVED		0xfe
    134 
    135 #define CP_C2_PHYS_UNIT		0x01	/* Physical unit on mirrored pair */
    136 #define CP_C2_NO_AT		0x02	/* No address translation */
    137 #define CP_C2_NO_CACHE		0x04	/* No HBA caching */
    138 #define CP_C2_RESERVED		0xf8
    139 
    140 #define CP_C3_ID_MASK		0x1f	/* Target ID */
    141 #define CP_C3_ID_SHIFT		0
    142 #define CP_C3_CHANNEL_MASK	0xe0	/* Target channel */
    143 #define CP_C3_CHANNEL_SHIFT	5
    144 
    145 #define CP_C4_LUN_MASK		0x07	/* Target LUN */
    146 #define CP_C4_LUN_SHIFT		0
    147 #define CP_C4_RESERVED		0x18
    148 #define CP_C4_LUN_TAR		0x20	/* CP is for target ROUTINE */
    149 #define CP_C4_DIS_PRI		0x40	/* Give disconnect privilege */
    150 #define CP_C4_IDENTIFY		0x80	/* Always true */
    151 
    152 /*
    153  * EATA status packet as returned by controller upon command completion.  It
    154  * contains status, message info and a handle on the initiating CCB.
    155  */
    156 struct eata_sp {
    157 	u_int8_t	sp_hba_status;		/* Host adapter status */
    158 	u_int8_t	sp_scsi_status;		/* SCSI bus status */
    159 	u_int8_t	sp_reserved[2];		/* Reserved */
    160 	u_int32_t	sp_inv_residue;		/* Bytes not transferred */
    161 	u_int32_t	sp_ccbid;		/* ID of software CCB */
    162 	u_int8_t	sp_id_message;
    163 	u_int8_t	sp_que_message;
    164 	u_int8_t	sp_tag_message;
    165 	u_int8_t	sp_messages[9];
    166 } __packed;
    167 
    168 /*
    169  * HBA status as returned by status packet.  Bit 7 signals end of command.
    170  */
    171 #define SP_HBA_NO_ERROR		0x00    /* No error on command */
    172 #define SP_HBA_ERROR_SEL_TO	0x01    /* Device selection timeout */
    173 #define SP_HBA_ERROR_CMD_TO	0x02    /* Device command timeout */
    174 #define SP_HBA_ERROR_RESET	0x03    /* SCSI bus was reset */
    175 #define SP_HBA_INIT_POWERUP	0x04    /* Initial controller power up */
    176 #define SP_HBA_UNX_BUSPHASE	0x05    /* Unexpected bus phase */
    177 #define SP_HBA_UNX_BUS_FREE	0x06    /* Unexpected bus free */
    178 #define SP_HBA_BUS_PARITY	0x07    /* SCSI bus parity error */
    179 #define SP_HBA_SCSI_HUNG	0x08    /* SCSI bus hung */
    180 #define SP_HBA_UNX_MSGRJCT	0x09    /* Unexpected message reject */
    181 #define SP_HBA_RESET_STUCK	0x0a    /* SCSI bus reset stuck */
    182 #define SP_HBA_RSENSE_FAIL	0x0b    /* Auto-request sense failed */
    183 #define SP_HBA_PARITY		0x0c    /* HBA memory parity error */
    184 #define SP_HBA_ABORT_NA		0x0d    /* CP aborted - not on bus */
    185 #define SP_HBA_ABORTED		0x0e    /* CP aborted - was on bus */
    186 #define SP_HBA_RESET_NA		0x0f    /* CP reset - not on bus */
    187 #define SP_HBA_RESET		0x10    /* CP reset - was on bus */
    188 #define SP_HBA_ECC		0x11    /* HBA memory ECC error */
    189 #define SP_HBA_PCI_PARITY	0x12    /* PCI parity error */
    190 #define SP_HBA_PCI_MASTER	0x13    /* PCI master abort */
    191 #define SP_HBA_PCI_TARGET	0x14    /* PCI target abort */
    192 #define SP_HBA_PCI_SIG_TARGET	0x15    /* PCI signalled target abort */
    193 #define SP_HBA_ABORT		0x20    /* Software abort (too many retries) */
    194 
    195 /*
    196  * Scatter-gather list element.
    197  */
    198 struct eata_sg {
    199 	u_int32_t	sg_addr;
    200 	u_int32_t	sg_len;
    201 } __packed;
    202 
    203 /*
    204  * EATA configuration data as returned by HBA.  XXX This is bogus - it
    205  * doesn't sync up with the structure FreeBSD uses. [ad]
    206  */
    207 struct eata_cfg {
    208 	u_int8_t	ec_devtype;
    209 	u_int8_t	ec_pagecode;
    210 	u_int8_t	ec_reserved0;
    211 	u_int8_t	ec_cfglen;		/* Length in bytes past here */
    212 	u_int8_t	ec_eatasig[4];		/* EATA signature */
    213 	u_int8_t	ec_eataversion;		/* EATA version number */
    214 	u_int8_t	ec_feat0;		/* First feature byte */
    215 	u_int8_t	ec_padlength[2];	/* Pad bytes for PIO cmds */
    216 	u_int8_t	ec_hba[4];		/* Host adapter SCSI IDs */
    217 	u_int8_t	ec_cplen[4];		/* Command packet length */
    218 	u_int8_t	ec_splen[4];		/* Status packet length */
    219 	u_int8_t	ec_queuedepth[2];	/* Controller queue depth */
    220 	u_int8_t	ec_reserved1[2];
    221 	u_int8_t	ec_sglen[2];		/* Maximum s/g list size */
    222 	u_int8_t	ec_feat1;		/* 2nd feature byte */
    223 	u_int8_t	ec_irq;			/* IRQ address */
    224 	u_int8_t	ec_feat2;		/* 3rd feature byte */
    225 	u_int8_t	ec_feat3;		/* 4th feature byte */
    226 	u_int8_t	ec_maxlun;		/* Maximum LUN supported */
    227 	u_int8_t	ec_feat4;		/* 5th feature byte */
    228 	u_int8_t	ec_raidnum;		/* RAID host adapter humber */
    229 } __packed;
    230 
    231 #define EC_F0_OVERLAP_CMDS	0x01	/* Overlapped cmds supported */
    232 #define EC_F0_TARGET_MODE	0x02	/* Target mode supported */
    233 #define EC_F0_TRUNC_NOT_REC	0x04	/* Truncate cmd not supported */
    234 #define EC_F0_MORE_SUPPORTED	0x08	/* More cmd supported */
    235 #define EC_F0_DMA_SUPPORTED	0x10	/* DMA mode supported */
    236 #define EC_F0_DMA_NUM_VALID	0x20	/* DMA channel field is valid */
    237 #define EC_F0_ATA_DEV		0x40	/* This is an ATA device */
    238 #define EC_F0_HBA_VALID		0x80	/* HBA field is valid */
    239 
    240 #define EC_F1_IRQ_NUM_MASK	0x0f	/* IRQ number mask */
    241 #define EC_F1_IRQ_NUM_SHIFT	0
    242 #define EC_F1_IRQ_TRIGGER	0x10	/* IRQ trigger: 0 = edge, 1 = level */
    243 #define EC_F1_SECONDARY		0x20	/* Controller not at address 0x170 */
    244 #define EC_F1_DMA_NUM_MASK	0xc0 	/* DMA channel *index* for ISA */
    245 #define EC_F1_DMA_NUM_SHIFT	6
    246 
    247 #define EC_F2_ISA_IO_DISABLE	0x01	/* ISA I/O address disabled */
    248 #define EC_F2_FORCE_ADDR	0x02	/* HBA forced to EISA/ISA address */
    249 #define EC_F2_SG_64K		0x04	/* 64kB of scatter/gather space */
    250 #define EC_F2_SG_UNALIGNED	0x08	/* Can do unaligned scatter/gather */
    251 #define EC_F2_RESERVED0		0x10	/* Reserved */
    252 #define EC_F2_RESERVED1		0x20	/* Reserved */
    253 #define EC_F2_RESERVED2		0x40	/* Reserved */
    254 #define EC_F2_RESERVED3		0x40	/* Reserved */
    255 
    256 #define EC_F3_MAX_TARGET_MASK	0x1f	/* Maximum target ID supported */
    257 #define EC_F3_MAX_TARGET_SHIFT	0
    258 #define EC_F3_MAX_CHANNEL_MASK	0xe0	/* Maximum channel ID supported */
    259 #define EC_F3_MAX_CHANNEL_SHIFT	5
    260 
    261 #define EC_F4_RESERVED0		0x01	/* Reserved */
    262 #define EC_F4_RESERVED1		0x02	/* Reserved */
    263 #define EC_F4_RESERVED2		0x04	/* Reserved */
    264 #define EC_F4_AUTO_TERM		0x08	/* Supports auto termination */
    265 #define EC_F4_PCIM1		0x10	/* PCI M1 chipset */
    266 #define EC_F4_BOGUS_RAID_ID	0x20	/* RAID ID may be questionable  */
    267 #define EC_F4_HBA_PCI		0x40	/* PCI adapter */
    268 #define EC_F4_HBA_EISA		0x80	/* EISA adapter */
    269 
    270 /*
    271  * How SCSI inquiry data breaks down for EATA boards.
    272  */
    273 struct eata_inquiry_data {
    274 	u_int8_t	ei_device;
    275 	u_int8_t	ei_dev_qual2;
    276 	u_int8_t	ei_version;
    277 	u_int8_t 	ei_response_format;
    278 	u_int8_t 	ei_additional_length;
    279 	u_int8_t 	ei_unused[2];
    280 	u_int8_t	ei_flags;
    281 	char		ei_vendor[8];		/* Vendor, e.g: DPT, NEC */
    282 	char		ei_model[7];		/* Model number */
    283 	char		ei_suffix[9];		/* Model number suffix */
    284 	char		ei_fw[3];		/* Firmware */
    285 	char		ei_fwrev[1];		/* Firmware revision */
    286 	u_int8_t	ei_extra[8];
    287 } __packed;
    288 
    289 #endif	/* !defined _IC_DPTREG_H_ */
    290