Annotation of sys/dev/ic/dptreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: dptreg.h,v 1.3 2001/07/26 03:55:54 mickey Exp $ */
! 2: /* $NetBSD: dptreg.h,v 1.4 1999/10/19 20:16:48 ad Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: *
! 17: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 18: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 19: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 20: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 21: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 22: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 23: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 24: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 25: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 26: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 27: * SUCH DAMAGE.
! 28: *
! 29: */
! 30:
! 31: #ifndef _IC_DPTREG_H_
! 32: #define _IC_DPTREG_H_ 1
! 33:
! 34: /* Hardware limits */
! 35: #define DPT_MAX_TARGETS 16
! 36: #define DPT_MAX_LUNS 8
! 37: #define DPT_MAX_CHANNELS 3
! 38:
! 39: /* Software parameters */
! 40: #define DPT_MAX_XFER ((DPT_SG_SIZE - 1) << PGSHIFT)
! 41: #define DPT_MAX_CCBS 256
! 42: #define DPT_SG_SIZE 64
! 43: #define DPT_ABORT_TIMEOUT 2000 /* milliseconds */
! 44: #define DPT_MORE_TIMEOUT 1000 /* microseconds */
! 45:
! 46: #ifdef _KERNEL
! 47:
! 48: #if BYTE_ORDER == LITTLE_ENDIAN
! 49: #define SWAP32(x) bswap32((x))
! 50: #define SWAP16(x) bswap16((x))
! 51: #define RSWAP32(x) (x)
! 52: #define RSWAP16(x) (x)
! 53: #else
! 54: #define SWAP32(x) (x)
! 55: #define SWAP16(x) (x)
! 56: #define RSWAP32(x) bswap32((x))
! 57: #define RSWAP16(x) bswap16((x))
! 58: #endif
! 59:
! 60: #ifdef __OpenBSD__
! 61: #define bswap16 swap16
! 62: #define bswap32 swap32
! 63: #endif
! 64:
! 65: #define dpt_inb(x, o) \
! 66: bus_space_read_1((x)->sc_iot, (x)->sc_ioh, (o))
! 67:
! 68: #define dpt_inw(x, o) \
! 69: RSWAP16(bus_space_read_2((x)->sc_iot, (x)->sc_ioh, (o)))
! 70:
! 71: #define dpt_inl(x, o) \
! 72: RSWAP32(bus_space_read_4((x)->sc_iot, (x)->sc_ioh, (o)))
! 73:
! 74: #define dpt_outb(x, o, d) \
! 75: bus_space_write_1((x)->sc_iot, (x)->sc_ioh, (o), (d))
! 76:
! 77: #define dpt_outw(x, o, d) \
! 78: bus_space_write_2((x)->sc_iot, (x)->sc_ioh, (o), RSWAP16(d))
! 79:
! 80: #define dpt_outl(x, o, d) \
! 81: bus_space_write_4((x)->sc_iot, (x)->sc_ioh, (o), RSWAP32(d))
! 82:
! 83: #endif /* _KERNEL */
! 84:
! 85: /*
! 86: * HBA registers
! 87: */
! 88: #define HA_BASE 0x10
! 89: #define HA_DATA (HA_BASE + 0)
! 90: #define HA_ERROR (HA_BASE + 1)
! 91: #define HA_DMA_BASE (HA_BASE + 2)
! 92: #define HA_ICMD_CODE2 (HA_BASE + 4)
! 93: #define HA_ICMD_CODE1 (HA_BASE + 5)
! 94: #define HA_ICMD (HA_BASE + 6)
! 95:
! 96: /* EATA commands. There are many more the we don't define or use. */
! 97: #define HA_COMMAND (HA_BASE + 7)
! 98: #define CP_PIO_GETCFG 0xf0 /* Read configuration data, PIO */
! 99: #define CP_PIO_CMD 0xf2 /* Execute command, PIO */
! 100: #define CP_DMA_GETCFG 0xfd /* Read configuration data, DMA */
! 101: #define CP_DMA_CMD 0xff /* Execute command, DMA */
! 102: #define CP_PIO_TRUNCATE 0xf4 /* Truncate transfer command, PIO */
! 103: #define CP_RESET 0xf9 /* Reset controller and SCSI bus */
! 104: #define CP_REBOOT 0x06 /* Reboot controller (last resort) */
! 105: #define CP_IMMEDIATE 0xfa /* EATA immediate command */
! 106: #define CPI_GEN_ABORT 0x00 /* Generic abort */
! 107: #define CPI_SPEC_RESET 0x01 /* Specific reset */
! 108: #define CPI_BUS_RESET 0x02 /* Bus reset */
! 109: #define CPI_SPEC_ABORT 0x03 /* Specific abort */
! 110: #define CPI_QUIET_INTR 0x04 /* ?? */
! 111: #define CPI_ROM_DL_EN 0x05 /* ?? */
! 112: #define CPI_COLD_BOOT 0x06 /* Cold boot HBA */
! 113: #define CPI_FORCE_IO 0x07 /* ?? */
! 114: #define CPI_BUS_OFFLINE 0x08 /* Set SCSI bus offline */
! 115: #define CPI_RESET_MSKD_BUS 0x09 /* Reset masked bus */
! 116: #define CPI_POWEROFF_WARN 0x0a /* Power about to fail */
! 117:
! 118: #define HA_STATUS (HA_BASE + 7)
! 119: #define HA_ST_ERROR 0x01
! 120: #define HA_ST_MORE 0x02
! 121: #define HA_ST_CORRECTD 0x04
! 122: #define HA_ST_DRQ 0x08
! 123: #define HA_ST_SEEK_COMPLETE 0x10
! 124: #define HA_ST_WRT_FLT 0x20
! 125: #define HA_ST_READY 0x40
! 126: #define HA_ST_BUSY 0x80
! 127: #define HA_ST_DATA_RDY (HA_ST_SEEK_COMPLETE|HA_ST_READY|HA_ST_DRQ)
! 128:
! 129: #define HA_AUX_STATUS (HA_BASE + 8)
! 130: #define HA_AUX_BUSY 0x01
! 131: #define HA_AUX_INTR 0x02
! 132:
! 133: /*
! 134: * Structure of an EATA command packet.
! 135: */
! 136: struct eata_cp {
! 137: u_int8_t cp_scsireset :1; /* cause a bus reset */
! 138: u_int8_t cp_hbainit :1; /* cause HBA to reinitialize */
! 139: u_int8_t cp_autosense :1; /* auto request sense on err */
! 140: u_int8_t cp_scatter :1; /* doing SG I/O */
! 141: u_int8_t cp_quick :1; /* return no status packet */
! 142: u_int8_t cp_interpret :1; /* HBA interprets SCSI CDB */
! 143: u_int8_t cp_dataout :1; /* data out phase */
! 144: u_int8_t cp_datain :1; /* data in phase */
! 145: u_int8_t cp_senselen; /* request sense length */
! 146: u_int8_t cp_unused0[3]; /* unused */
! 147: u_int8_t cp_tophys :1; /* send to RAID component */
! 148: u_int8_t cp_unused1 :7; /* unused */
! 149: u_int8_t cp_physunit :1; /* phys unit on mirrored pair */
! 150: u_int8_t cp_noat :1; /* no address translation */
! 151: u_int8_t cp_nocache :1; /* no HBA caching */
! 152: u_int8_t cp_unused2 :5; /* unused */
! 153: u_int8_t cp_id :5; /* SCSI device id of target */
! 154: u_int8_t cp_channel :3; /* SCSI channel id */
! 155: u_int8_t cp_lun :3; /* SCSI LUN id */
! 156: u_int8_t cp_unused3 :2; /* unused */
! 157: u_int8_t cp_luntar :1; /* CP is for target ROUTINE */
! 158: u_int8_t cp_dispri :1; /* give disconnect privilege */
! 159: u_int8_t cp_identify :1; /* always true */
! 160: u_int8_t cp_msg[3]; /* message bytes 0-3 */
! 161:
! 162: /* Partial SCSI CDB ref */
! 163: u_int8_t cp_scsi_cmd;
! 164: u_int8_t cp_extent :1;
! 165: u_int8_t cp_bytchk :1;
! 166: u_int8_t cp_reladr :1;
! 167: u_int8_t cp_cmplst :1;
! 168: u_int8_t cp_fmtdata :1;
! 169: u_int8_t cp_cdblun :3;
! 170: u_int8_t cp_page;
! 171: u_int8_t cp_unused4;
! 172: u_int8_t cp_len;
! 173: u_int8_t cp_link :1;
! 174: u_int8_t cp_flag :1;
! 175: u_int8_t cp_unused5 :4;
! 176: u_int8_t cp_vendor :2;
! 177: u_int8_t cp_cdbmore[6];
! 178:
! 179: u_int32_t cp_datalen; /* length in bytes of data/SG list */
! 180: u_int32_t cp_ccbid; /* ID of software CCB */
! 181: u_int32_t cp_dataaddr; /* address of data/SG list */
! 182: u_int32_t cp_stataddr; /* addr for status packet */
! 183: u_int32_t cp_senseaddr; /* addr of req. sense (err only) */
! 184: };
! 185:
! 186: /*
! 187: * EATA status packet as returned by controller upon command completion. It
! 188: * contains status, message info and a handle on the initiating CCB.
! 189: */
! 190: struct eata_sp {
! 191: u_int8_t sp_hba_status; /* host adapter status */
! 192: u_int8_t sp_scsi_status; /* SCSI bus status */
! 193: u_int8_t sp_reserved[2]; /* reserved */
! 194: u_int32_t sp_inv_residue; /* bytes not transferred */
! 195: u_int32_t sp_ccbid; /* ID of software CCB */
! 196: u_int8_t sp_id_message;
! 197: u_int8_t sp_que_message;
! 198: u_int8_t sp_tag_message;
! 199: u_int8_t sp_messages[9];
! 200: };
! 201:
! 202: /*
! 203: * HBA status as returned by status packet. Bit 7 signals end of command.
! 204: */
! 205: #define HA_NO_ERROR 0x00 /* No error on command */
! 206: #define HA_ERROR_SEL_TO 0x01 /* Device selection timeout */
! 207: #define HA_ERROR_CMD_TO 0x02 /* Device command timeout */
! 208: #define HA_ERROR_RESET 0x03 /* SCSI bus was reset */
! 209: #define HA_INIT_POWERUP 0x04 /* Initial controller power up */
! 210: #define HA_UNX_BUSPHASE 0x05 /* Unexpected bus phase */
! 211: #define HA_UNX_BUS_FREE 0x06 /* Unexpected bus free */
! 212: #define HA_BUS_PARITY 0x07 /* SCSI bus parity error */
! 213: #define HA_SCSI_HUNG 0x08 /* SCSI bus hung */
! 214: #define HA_UNX_MSGRJCT 0x09 /* Unexpected message reject */
! 215: #define HA_RESET_STUCK 0x0A /* SCSI bus reset stuck */
! 216: #define HA_RSENSE_FAIL 0x0B /* Auto-request sense failed */
! 217: #define HA_PARITY 0x0C /* HBA memory parity error */
! 218: #define HA_ABORT_NA 0x0D /* CP aborted - not on bus */
! 219: #define HA_ABORTED 0x0E /* CP aborted - was on bus */
! 220: #define HA_RESET_NA 0x0F /* CP reset - not on bus */
! 221: #define HA_RESET 0x10 /* CP reset - was on bus */
! 222: #define HA_ECC 0x11 /* HBA memory ECC error */
! 223: #define HA_PCI_PARITY 0x12 /* PCI parity error */
! 224: #define HA_PCI_MASTER 0x13 /* PCI master abort */
! 225: #define HA_PCI_TARGET 0x14 /* PCI target abort */
! 226: #define HA_PCI_SIGNAL_TARGET 0x15 /* PCI signalled target abort */
! 227: #define HA_ABORT 0x20 /* Software abort (too many retries) */
! 228:
! 229: /*
! 230: * Scatter-gather list element.
! 231: */
! 232: struct eata_sg {
! 233: u_int32_t sg_addr;
! 234: u_int32_t sg_len;
! 235: };
! 236:
! 237: /*
! 238: * EATA configuration data as returned by HBA. XXX this is bogus, some fields
! 239: * don't *seem* to be filled on my SmartCache III. Also, it doesn't sync up
! 240: * with the structure FreeBSD uses. [ad]
! 241: */
! 242: struct eata_cfg {
! 243: u_int8_t ec_devtype;
! 244: u_int8_t ec_pagecode;
! 245: u_int8_t ec_reserved0;
! 246: u_int8_t ec_cfglen; /* Length in bytes after this field */
! 247: u_int8_t ec_eatasig[4]; /* EATA signature */
! 248: u_int8_t ec_eataversion; /* EATA version number */
! 249: u_int8_t ec_overlapcmds : 1; /* Overlapped cmds supported */
! 250: u_int8_t ec_targetmode : 1; /* Target mode supported */
! 251: u_int8_t ec_trunnotrec : 1; /* Truncate cmd not supported */
! 252: u_int8_t ec_moresupported:1; /* More cmd supported */
! 253: u_int8_t ec_dmasupported : 1; /* DMA mode supported */
! 254: u_int8_t ec_dmanumvalid : 1; /* DMA channel field is valid */
! 255: u_int8_t ec_atadev : 1; /* This is an ATA device */
! 256: u_int8_t ec_hbavalid : 1; /* HBA field is valid */
! 257: u_int8_t ec_padlength[2]; /* Pad bytes for PIO cmds */
! 258: u_int8_t ec_hba[4]; /* Host adapter SCSI IDs */
! 259: u_int8_t ec_cplen[4]; /* Command packet length */
! 260: u_int8_t ec_splen[4]; /* Status packet length */
! 261: u_int8_t ec_queuedepth[2]; /* Controller queue depth */
! 262: u_int8_t ec_reserved1[2];
! 263: u_int8_t ec_sglen[2]; /* Maximum scatter gather list size */
! 264: u_int8_t ec_irqnum : 4; /* IRQ number */
! 265: u_int8_t ec_irqtrigger : 1; /* IRQ trigger: 0 = edge, 1 = level */
! 266: u_int8_t ec_secondary : 1; /* Controller not at address 0x170 */
! 267: u_int8_t ec_dmanum : 2; /* DMA channel index for ISA */
! 268: u_int8_t ec_irq; /* IRQ address */
! 269: u_int8_t ec_iodisable : 1; /* ISA I/O address disabled */
! 270: u_int8_t ec_forceaddr : 1; /* PCI forced to an EISA/ISA addr */
! 271: u_int8_t ec_sg64k : 1; /* 64K of SG space */
! 272: u_int8_t ec_sgunaligned : 1; /* Can do unaligned SG, otherwise 4 */
! 273: u_int8_t ec_reserved2 : 4; /* Reserved */
! 274: u_int8_t ec_maxtarget : 5; /* Maximun SCSI target ID supported */
! 275: u_int8_t ec_maxchannel : 3; /* Maximun channel number supported */
! 276: u_int8_t ec_maxlun; /* Maximum LUN supported */
! 277: u_int8_t ec_reserved3 : 3; /* Reserved field */
! 278: u_int8_t ec_autoterm : 1; /* Support auto term (low byte) */
! 279: u_int8_t ec_pcim1 : 1; /* PCI M1 chipset */
! 280: u_int8_t ec_bogusraidid : 1; /* Raid ID may be questionable */
! 281: u_int8_t ec_pci : 1; /* PCI adapter */
! 282: u_int8_t ec_eisa : 1; /* EISA adapter */
! 283: u_int8_t ec_raidnum; /* RAID host adapter humber */
! 284: };
! 285:
! 286: /*
! 287: * How SCSI inquiry data breaks down for EATA boards.
! 288: */
! 289: struct eata_inquiry_data {
! 290: u_int8_t ei_device;
! 291: u_int8_t ei_dev_qual2;
! 292: u_int8_t ei_version;
! 293: u_int8_t ei_response_format;
! 294: u_int8_t ei_additional_length;
! 295: u_int8_t ei_unused[2];
! 296: u_int8_t ei_flags;
! 297: char ei_vendor[8]; /* Vendor, e.g: DPT, NEC */
! 298: char ei_model[7]; /* Model number */
! 299: char ei_suffix[9]; /* Model number suffix */
! 300: char ei_fw[3]; /* Firmware */
! 301: char ei_fwrev[1]; /* Firmware revision */
! 302: u_int8_t ei_extra[8];
! 303: };
! 304:
! 305: #endif /* !defined _IC_DPTREG_H_ */
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