/* $NetBSD: dptreg.h,v 1.4 1999/10/19 20:16:48 ad Exp $ */ /* * Copyright (c) 1999 Andy Doran * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #ifndef _IC_DPTREG_H_ #define _IC_DPTREG_H_ 1 /* Hardware limits */ #define DPT_MAX_TARGETS 16 #define DPT_MAX_LUNS 8 #define DPT_MAX_CHANNELS 3 /* Software parameters */ #define DPT_MAX_XFER ((DPT_SG_SIZE - 1) << PGSHIFT) #define DPT_MAX_CCBS 256 #define DPT_SG_SIZE 64 #define DPT_ABORT_TIMEOUT 2000 /* milliseconds */ #define DPT_MORE_TIMEOUT 1000 /* microseconds */ #ifdef _KERNEL #if BYTE_ORDER == LITTLE_ENDIAN #define SWAP32(x) bswap32((x)) #define SWAP16(x) bswap16((x)) #define RSWAP32(x) (x) #define RSWAP16(x) (x) #else #define SWAP32(x) (x) #define SWAP16(x) (x) #define RSWAP32(x) bswap32((x)) #define RSWAP16(x) bswap16((x)) #endif #define dpt_inb(x, o) \ bus_space_read_1((x)->sc_iot, (x)->sc_ioh, (o)) #define dpt_inw(x, o) \ RSWAP16(bus_space_read_2((x)->sc_iot, (x)->sc_ioh, (o))) #define dpt_inl(x, o) \ RSWAP32(bus_space_read_4((x)->sc_iot, (x)->sc_ioh, (o))) #define dpt_outb(x, o, d) \ bus_space_write_1((x)->sc_iot, (x)->sc_ioh, (o), (d)) #define dpt_outw(x, o, d) \ bus_space_write_2((x)->sc_iot, (x)->sc_ioh, (o), RSWAP16(d)) #define dpt_outl(x, o, d) \ bus_space_write_4((x)->sc_iot, (x)->sc_ioh, (o), RSWAP32(d)) #endif /* _KERNEL */ /* * HBA registers */ #define HA_BASE 0x10 #define HA_DATA (HA_BASE + 0) #define HA_ERROR (HA_BASE + 1) #define HA_DMA_BASE (HA_BASE + 2) #define HA_ICMD_CODE2 (HA_BASE + 4) #define HA_ICMD_CODE1 (HA_BASE + 5) #define HA_ICMD (HA_BASE + 6) /* EATA commands. There are many more the we don't define or use. */ #define HA_COMMAND (HA_BASE + 7) #define CP_PIO_GETCFG 0xf0 /* Read configuration data, PIO */ #define CP_PIO_CMD 0xf2 /* Execute command, PIO */ #define CP_DMA_GETCFG 0xfd /* Read configuration data, DMA */ #define CP_DMA_CMD 0xff /* Execute command, DMA */ #define CP_PIO_TRUNCATE 0xf4 /* Truncate transfer command, PIO */ #define CP_RESET 0xf9 /* Reset controller and SCSI bus */ #define CP_REBOOT 0x06 /* Reboot controller (last resort) */ #define CP_IMMEDIATE 0xfa /* EATA immediate command */ #define CPI_GEN_ABORT 0x00 /* Generic abort */ #define CPI_SPEC_RESET 0x01 /* Specific reset */ #define CPI_BUS_RESET 0x02 /* Bus reset */ #define CPI_SPEC_ABORT 0x03 /* Specific abort */ #define CPI_QUIET_INTR 0x04 /* ?? */ #define CPI_ROM_DL_EN 0x05 /* ?? */ #define CPI_COLD_BOOT 0x06 /* Cold boot HBA */ #define CPI_FORCE_IO 0x07 /* ?? */ #define CPI_BUS_OFFLINE 0x08 /* Set SCSI bus offline */ #define CPI_RESET_MSKD_BUS 0x09 /* Reset masked bus */ #define CPI_POWEROFF_WARN 0x0a /* Power about to fail */ #define HA_STATUS (HA_BASE + 7) #define HA_ST_ERROR 0x01 #define HA_ST_MORE 0x02 #define HA_ST_CORRECTD 0x04 #define HA_ST_DRQ 0x08 #define HA_ST_SEEK_COMPLETE 0x10 #define HA_ST_WRT_FLT 0x20 #define HA_ST_READY 0x40 #define HA_ST_BUSY 0x80 #define HA_ST_DATA_RDY (HA_ST_SEEK_COMPLETE|HA_ST_READY|HA_ST_DRQ) #define HA_AUX_STATUS (HA_BASE + 8) #define HA_AUX_BUSY 0x01 #define HA_AUX_INTR 0x02 /* * Structure of an EATA command packet. */ struct eata_cp { u_int8_t cp_scsireset :1; /* cause a bus reset */ u_int8_t cp_hbainit :1; /* cause HBA to reinitialize */ u_int8_t cp_autosense :1; /* auto request sense on err */ u_int8_t cp_scatter :1; /* doing SG I/O */ u_int8_t cp_quick :1; /* return no status packet */ u_int8_t cp_interpret :1; /* HBA interprets SCSI CDB */ u_int8_t cp_dataout :1; /* data out phase */ u_int8_t cp_datain :1; /* data in phase */ u_int8_t cp_senselen; /* request sense length */ u_int8_t cp_unused0[3]; /* unused */ u_int8_t cp_tophys :1; /* send to RAID component */ u_int8_t cp_unused1 :7; /* unused */ u_int8_t cp_physunit :1; /* phys unit on mirrored pair */ u_int8_t cp_noat :1; /* no address translation */ u_int8_t cp_nocache :1; /* no HBA caching */ u_int8_t cp_unused2 :5; /* unused */ u_int8_t cp_id :5; /* SCSI device id of target */ u_int8_t cp_channel :3; /* SCSI channel id */ u_int8_t cp_lun :3; /* SCSI LUN id */ u_int8_t cp_unused3 :2; /* unused */ u_int8_t cp_luntar :1; /* CP is for target ROUTINE */ u_int8_t cp_dispri :1; /* give disconnect privilege */ u_int8_t cp_identify :1; /* always true */ u_int8_t cp_msg[3]; /* message bytes 0-3 */ /* Partial SCSI CDB ref */ u_int8_t cp_scsi_cmd; u_int8_t cp_extent :1; u_int8_t cp_bytchk :1; u_int8_t cp_reladr :1; u_int8_t cp_cmplst :1; u_int8_t cp_fmtdata :1; u_int8_t cp_cdblun :3; u_int8_t cp_page; u_int8_t cp_unused4; u_int8_t cp_len; u_int8_t cp_link :1; u_int8_t cp_flag :1; u_int8_t cp_unused5 :4; u_int8_t cp_vendor :2; u_int8_t cp_cdbmore[6]; u_int32_t cp_datalen; /* length in bytes of data/SG list */ u_int32_t cp_ccbid; /* ID of software CCB */ u_int32_t cp_dataaddr; /* address of data/SG list */ u_int32_t cp_stataddr; /* addr for status packet */ u_int32_t cp_senseaddr; /* addr of req. sense (err only) */ }; /* * EATA status packet as returned by controller upon command completion. It * contains status, message info and a handle on the initiating CCB. */ struct eata_sp { u_int8_t sp_hba_status; /* host adapter status */ u_int8_t sp_scsi_status; /* SCSI bus status */ u_int8_t sp_reserved[2]; /* reserved */ u_int32_t sp_inv_residue; /* bytes not transfered */ u_int32_t sp_ccbid; /* ID of software CCB */ u_int8_t sp_id_message; u_int8_t sp_que_message; u_int8_t sp_tag_message; u_int8_t sp_messages[9]; }; /* * HBA status as returned by status packet. Bit 7 signals end of command. */ #define HA_NO_ERROR 0x00 /* No error on command */ #define HA_ERROR_SEL_TO 0x01 /* Device selection timeout */ #define HA_ERROR_CMD_TO 0x02 /* Device command timeout */ #define HA_ERROR_RESET 0x03 /* SCSI bus was reset */ #define HA_INIT_POWERUP 0x04 /* Initial controller power up */ #define HA_UNX_BUSPHASE 0x05 /* Unexpected bus phase */ #define HA_UNX_BUS_FREE 0x06 /* Unexpected bus free */ #define HA_BUS_PARITY 0x07 /* SCSI bus parity error */ #define HA_SCSI_HUNG 0x08 /* SCSI bus hung */ #define HA_UNX_MSGRJCT 0x09 /* Unexpected message reject */ #define HA_RESET_STUCK 0x0A /* SCSI bus reset stuck */ #define HA_RSENSE_FAIL 0x0B /* Auto-request sense failed */ #define HA_PARITY 0x0C /* HBA memory parity error */ #define HA_ABORT_NA 0x0D /* CP aborted - not on bus */ #define HA_ABORTED 0x0E /* CP aborted - was on bus */ #define HA_RESET_NA 0x0F /* CP reset - not on bus */ #define HA_RESET 0x10 /* CP reset - was on bus */ #define HA_ECC 0x11 /* HBA memory ECC error */ #define HA_PCI_PARITY 0x12 /* PCI parity error */ #define HA_PCI_MASTER 0x13 /* PCI master abort */ #define HA_PCI_TARGET 0x14 /* PCI target abort */ #define HA_PCI_SIGNAL_TARGET 0x15 /* PCI signalled target abort */ #define HA_ABORT 0x20 /* Software abort (too many retries) */ /* * Scatter-gather list element. */ struct eata_sg { u_int32_t sg_addr; u_int32_t sg_len; }; /* * EATA configuration data as returned by HBA. XXX this is bogus, some fields * don't *seem* to be filled on my SmartCache III. Also, it doesn't sync up * with the structure FreeBSD uses. [ad] */ struct eata_cfg { u_int8_t ec_devtype; u_int8_t ec_pagecode; u_int8_t ec_reserved0; u_int8_t ec_cfglen; /* Length in bytes after this field */ u_int8_t ec_eatasig[4]; /* EATA signature */ u_int8_t ec_eataversion; /* EATA version number */ u_int8_t ec_overlapcmds : 1; /* Overlapped cmds supported */ u_int8_t ec_targetmode : 1; /* Target mode supported */ u_int8_t ec_trunnotrec : 1; /* Truncate cmd not supported */ u_int8_t ec_moresupported:1; /* More cmd supported */ u_int8_t ec_dmasupported : 1; /* DMA mode supported */ u_int8_t ec_dmanumvalid : 1; /* DMA channel field is valid */ u_int8_t ec_atadev : 1; /* This is an ATA device */ u_int8_t ec_hbavalid : 1; /* HBA field is valid */ u_int8_t ec_padlength[2]; /* Pad bytes for PIO cmds */ u_int8_t ec_hba[4]; /* Host adapter SCSI IDs */ u_int8_t ec_cplen[4]; /* Command packet length */ u_int8_t ec_splen[4]; /* Status packet length */ u_int8_t ec_queuedepth[2]; /* Controller queue depth */ u_int8_t ec_reserved1[2]; u_int8_t ec_sglen[2]; /* Maximum scatter gather list size */ u_int8_t ec_irqnum : 4; /* IRQ number */ u_int8_t ec_irqtrigger : 1; /* IRQ trigger: 0 = edge, 1 = level */ u_int8_t ec_secondary : 1; /* Controller not at address 0x170 */ u_int8_t ec_dmanum : 2; /* DMA channel index for ISA */ u_int8_t ec_irq; /* IRQ address */ u_int8_t ec_iodisable : 1; /* ISA I/O address disabled */ u_int8_t ec_forceaddr : 1; /* PCI forced to an EISA/ISA addr */ u_int8_t ec_sg64k : 1; /* 64K of SG space */ u_int8_t ec_sgunaligned : 1; /* Can do unaligned SG, otherwise 4 */ u_int8_t ec_reserved2 : 4; /* Reserved */ u_int8_t ec_maxtarget : 5; /* Maximun SCSI target ID supported */ u_int8_t ec_maxchannel : 3; /* Maximun channel number supported */ u_int8_t ec_maxlun; /* Maximum LUN supported */ u_int8_t ec_reserved3 : 3; /* Reserved field */ u_int8_t ec_autoterm : 1; /* Support auto term (low byte) */ u_int8_t ec_pcim1 : 1; /* PCI M1 chipset */ u_int8_t ec_bogusraidid : 1; /* Raid ID may be questionable */ u_int8_t ec_pci : 1; /* PCI adapter */ u_int8_t ec_eisa : 1; /* EISA adapter */ u_int8_t ec_raidnum; /* RAID host adapter humber */ }; /* * How SCSI inquiry data breaks down for EATA boards. */ struct eata_inquiry_data { u_int8_t ei_device; u_int8_t ei_dev_qual2; u_int8_t ei_version; u_int8_t ei_response_format; u_int8_t ei_additional_length; u_int8_t ei_unused[2]; u_int8_t ei_flags; char ei_vendor[8]; /* Vendor, e.g: DPT, NEC */ char ei_model[7]; /* Model number */ char ei_suffix[9]; /* Model number suffix */ char ei_fw[3]; /* Firmware */ char ei_fwrev[1]; /* Firmware revision */ u_int8_t ei_extra[8]; }; #endif /* !defined _IC_DPTREG_H_ */