patch-2.4.21 linux-2.4.21/drivers/scsi/aic79xx/aic79xx.reg
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- Lines: 3951
- Date:
2003-06-13 07:51:36.000000000 -0700
- Orig file:
linux-2.4.20/drivers/scsi/aic79xx/aic79xx.reg
- Orig date:
1969-12-31 16:00:00.000000000 -0800
diff -urN linux-2.4.20/drivers/scsi/aic79xx/aic79xx.reg linux-2.4.21/drivers/scsi/aic79xx/aic79xx.reg
@@ -0,0 +1,3950 @@
+/*
+ * Aic79xx register and scratch ram definitions.
+ *
+ * Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2000-2002 Adaptec Inc.
+ * 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,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
+ *
+ * $FreeBSD$
+ */
+VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic79xx.reg#60 $"
+
+/*
+ * This file is processed by the aic7xxx_asm utility for use in assembling
+ * firmware for the aic79xx family of SCSI host adapters as well as to generate
+ * a C header file for use in the kernel portion of the Aic79xx driver.
+ */
+
+/* Register window Modes */
+#define M_DFF0 0
+#define M_DFF1 1
+#define M_CCHAN 2
+#define M_SCSI 3
+#define M_CFG 4
+#define M_DST_SHIFT 4
+
+#define MK_MODE(src, dst) ((src) | ((dst) << M_DST_SHIFT))
+#define SET_MODE(src, dst) \
+ SET_SRC_MODE src; \
+ SET_DST_MODE dst; \
+ if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
+ mvi MK_MODE(src, dst) call set_mode_work_around; \
+ } else { \
+ mvi MODE_PTR, MK_MODE(src, dst); \
+ }
+
+#define TOGGLE_DFF_MODE \
+ if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
+ call toggle_dff_mode_work_around; \
+ } else { \
+ xor MODE_PTR, MK_MODE(M_DFF1, M_DFF1); \
+ }
+
+#define RESTORE_MODE(mode) \
+ if ((ahd->bugs & AHD_SET_MODE_BUG) != 0) { \
+ mov mode call set_mode_work_around; \
+ } else { \
+ mov MODE_PTR, mode; \
+ }
+
+#define SET_SEQINTCODE(code) \
+ if ((ahd->bugs & AHD_INTCOLLISION_BUG) != 0) { \
+ mvi code call set_seqint_work_around; \
+ } else { \
+ mvi SEQINTCODE, code; \
+ }
+
+/*
+ * Mode Pointer
+ * Controls which of the 5, 512byte, address spaces should be used
+ * as the source and destination of any register accesses in our
+ * register window.
+ */
+register MODE_PTR {
+ address 0x000
+ access_mode RW
+ field DST_MODE 0x70
+ field SRC_MODE 0x07
+ mode_pointer
+}
+
+const SRC_MODE_SHIFT 0
+const DST_MODE_SHIFT 4
+
+/*
+ * Host Interrupt Status
+ */
+register INTSTAT {
+ address 0x001
+ access_mode RW
+ field HWERRINT 0x80
+ field BRKADRINT 0x40
+ field SWTMINT 0x20
+ field PCIINT 0x10
+ field SCSIINT 0x08
+ field SEQINT 0x04
+ field CMDCMPLT 0x02
+ field SPLTINT 0x01
+ mask INT_PEND 0xFF
+}
+
+/*
+ * Sequencer Interrupt Code
+ */
+register SEQINTCODE {
+ address 0x002
+ access_mode RW
+ field {
+ NO_SEQINT, /* No seqint pending. */
+ BAD_PHASE, /* unknown scsi bus phase */
+ SEND_REJECT, /* sending a message reject */
+ PROTO_VIOLATION, /* Protocol Violation */
+ NO_MATCH, /* no cmd match for reconnect */
+ IGN_WIDE_RES, /* Complex IGN Wide Res Msg */
+ PDATA_REINIT, /*
+ * Returned to data phase
+ * that requires data
+ * transfer pointers to be
+ * recalculated from the
+ * transfer residual.
+ */
+ HOST_MSG_LOOP, /*
+ * The bus is ready for the
+ * host to perform another
+ * message transaction. This
+ * mechanism is used for things
+ * like sync/wide negotiation
+ * that require a kernel based
+ * message state engine.
+ */
+ BAD_STATUS, /* Bad status from target */
+ DATA_OVERRUN, /*
+ * Target attempted to write
+ * beyond the bounds of its
+ * command.
+ */
+ MKMSG_FAILED, /*
+ * Target completed command
+ * without honoring our ATN
+ * request to issue a message.
+ */
+ MISSED_BUSFREE, /*
+ * The sequencer never saw
+ * the bus go free after
+ * either a command complete
+ * or disconnect message.
+ */
+ DUMP_CARD_STATE,
+ ILLEGAL_PHASE,
+ INVALID_SEQINT,
+ CFG4ISTAT_INTR,
+ STATUS_OVERRUN,
+ CFG4OVERRUN,
+ ENTERING_NONPACK,
+ TASKMGMT_FUNC_COMPLETE, /*
+ * Task management function
+ * request completed with
+ * an expected busfree.
+ */
+ TASKMGMT_CMD_CMPLT_OKAY, /*
+ * A command with a non-zero
+ * task management function
+ * has completed via the normal
+ * command completion method
+ * for commands with a zero
+ * task management function.
+ * This happens when an attempt
+ * to abort a command loses
+ * the race for the command to
+ * complete normally.
+ */
+ TRACEPOINT0,
+ TRACEPOINT1,
+ TRACEPOINT2,
+ TRACEPOINT3,
+ SAW_HWERR
+ }
+}
+
+/*
+ * Clear Host Interrupt
+ */
+register CLRINT {
+ address 0x003
+ access_mode WO
+ field CLRHWERRINT 0x80 /* Rev B or greater */
+ field CLRBRKADRINT 0x40
+ field CLRSWTMINT 0x20
+ field CLRPCIINT 0x10
+ field CLRSCSIINT 0x08
+ field CLRSEQINT 0x04
+ field CLRCMDINT 0x02
+ field CLRSPLTINT 0x01
+}
+
+/*
+ * Error Register
+ */
+register ERROR {
+ address 0x004
+ access_mode RO
+ field CIOPARERR 0x80
+ field CIOACCESFAIL 0x40 /* Rev B or greater */
+ field MPARERR 0x20
+ field DPARERR 0x10
+ field SQPARERR 0x08
+ field ILLOPCODE 0x04
+ field DSCTMOUT 0x02
+}
+
+/*
+ * Clear Error
+ */
+register CLRERR {
+ address 0x004
+ access_mode WO
+ field CLRCIOPARERR 0x80
+ field CLRCIOACCESFAIL 0x40 /* Rev B or greater */
+ field CLRMPARERR 0x20
+ field CLRDPARERR 0x10
+ field CLRSQPARERR 0x08
+ field CLRILLOPCODE 0x04
+ field CLRDSCTMOUT 0x02
+}
+
+/*
+ * Host Control Register
+ * Overall host control of the device.
+ */
+register HCNTRL {
+ address 0x005
+ access_mode RW
+ field SEQ_RESET 0x80 /* Rev B or greater */
+ field POWRDN 0x40
+ field SWINT 0x10
+ field SWTIMER_START_B 0x08 /* Rev B or greater */
+ field PAUSE 0x04
+ field INTEN 0x02
+ field CHIPRST 0x01
+ field CHIPRSTACK 0x01
+}
+
+/*
+ * Host New SCB Queue Offset
+ */
+register HNSCB_QOFF {
+ address 0x006
+ access_mode RW
+ size 2
+}
+
+/*
+ * Host Empty SCB Queue Offset
+ */
+register HESCB_QOFF {
+ address 0x008
+ access_mode RW
+}
+
+/*
+ * Host Mailbox
+ */
+register HS_MAILBOX {
+ address 0x00B
+ access_mode RW
+ mask HOST_TQINPOS 0x80 /* Boundary at either 0 or 128 */
+ mask ENINT_COALESS 0x40 /* Perform interrupt coalessing */
+}
+
+/*
+ * Sequencer Interupt Status
+ */
+register SEQINTSTAT {
+ address 0x00C
+ access_mode RO
+ field SEQ_SWTMRTO 0x10
+ field SEQ_SEQINT 0x08
+ field SEQ_SCSIINT 0x04
+ field SEQ_PCIINT 0x02
+ field SEQ_SPLTINT 0x01
+}
+
+/*
+ * Clear SEQ Interrupt
+ */
+register CLRSEQINTSTAT {
+ address 0x00C
+ access_mode WO
+ field CLRSEQ_SWTMRTO 0x10
+ field CLRSEQ_SEQINT 0x08
+ field CLRSEQ_SCSIINT 0x04
+ field CLRSEQ_PCIINT 0x02
+ field CLRSEQ_SPLTINT 0x01
+}
+
+/*
+ * Software Timer
+ */
+register SWTIMER {
+ address 0x00E
+ access_mode RW
+ size 2
+}
+
+/*
+ * SEQ New SCB Queue Offset
+ */
+register SNSCB_QOFF {
+ address 0x010
+ access_mode RW
+ size 2
+ modes M_CCHAN
+}
+
+/*
+ * SEQ Empty SCB Queue Offset
+ */
+register SESCB_QOFF {
+ address 0x012
+ access_mode RW
+ modes M_CCHAN
+}
+
+/*
+ * SEQ Done SCB Queue Offset
+ */
+register SDSCB_QOFF {
+ address 0x014
+ access_mode RW
+ modes M_CCHAN
+ size 2
+}
+
+/*
+ * Queue Offset Control & Status
+ */
+register QOFF_CTLSTA {
+ address 0x016
+ access_mode RW
+ modes M_CCHAN
+ field EMPTY_SCB_AVAIL 0x80
+ field NEW_SCB_AVAIL 0x40
+ field SDSCB_ROLLOVR 0x20
+ field HS_MAILBOX_ACT 0x10
+ field SCB_QSIZE 0x0F {
+ SCB_QSIZE_4,
+ SCB_QSIZE_8,
+ SCB_QSIZE_16,
+ SCB_QSIZE_32,
+ SCB_QSIZE_64,
+ SCB_QSIZE_128,
+ SCB_QSIZE_256,
+ SCB_QSIZE_512,
+ SCB_QSIZE_1024,
+ SCB_QSIZE_2048,
+ SCB_QSIZE_4096,
+ SCB_QSIZE_8192,
+ SCB_QSIZE_16384
+ }
+}
+
+/*
+ * Interrupt Control
+ */
+register INTCTL {
+ address 0x018
+ access_mode RW
+ field SWTMINTMASK 0x80
+ field SWTMINTEN 0x40
+ field SWTIMER_START 0x20
+ field AUTOCLRCMDINT 0x10
+ field PCIINTEN 0x08
+ field SCSIINTEN 0x04
+ field SEQINTEN 0x02
+ field SPLTINTEN 0x01
+}
+
+/*
+ * Data FIFO Control
+ */
+register DFCNTRL {
+ address 0x019
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field PRELOADEN 0x80
+ field SCSIENWRDIS 0x40 /* Rev B only. */
+ field SCSIEN 0x20
+ field SCSIENACK 0x20
+ field HDMAEN 0x08
+ field HDMAENACK 0x08
+ field DIRECTION 0x04
+ field DIRECTIONACK 0x04
+ field FIFOFLUSH 0x02
+ field FIFOFLUSHACK 0x02
+ field DIRECTIONEN 0x01
+}
+
+/*
+ * Device Space Command 0
+ */
+register DSCOMMAND0 {
+ address 0x019
+ access_mode RW
+ modes M_CFG
+ field CACHETHEN 0x80 /* Cache Threshold enable */
+ field DPARCKEN 0x40 /* Data Parity Check Enable */
+ field MPARCKEN 0x20 /* Memory Parity Check Enable */
+ field EXTREQLCK 0x10 /* External Request Lock */
+ field DISABLE_TWATE 0x02 /* Rev B or greater */
+ field CIOPARCKEN 0x01 /* Internal bus parity error enable */
+}
+
+/*
+ * Data FIFO Status
+ */
+register DFSTATUS {
+ address 0x01A
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field PRELOAD_AVAIL 0x80
+ field PKT_PRELOAD_AVAIL 0x40
+ field MREQPEND 0x10
+ field HDONE 0x08
+ field DFTHRESH 0x04
+ field FIFOFULL 0x02
+ field FIFOEMP 0x01
+}
+
+/*
+ * S/G Cache Pointer
+ */
+register SG_CACHE_PRE {
+ address 0x01B
+ access_mode WO
+ modes M_DFF0, M_DFF1
+ field SG_ADDR_MASK 0xf8
+ field ODD_SEG 0x04
+ field LAST_SEG 0x02
+}
+
+register SG_CACHE_SHADOW {
+ address 0x01B
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field SG_ADDR_MASK 0xf8
+ field ODD_SEG 0x04
+ field LAST_SEG 0x02
+ field LAST_SEG_DONE 0x01
+}
+
+/*
+ * Arbiter Control
+ */
+register ARBCTL {
+ address 0x01B
+ access_mode RW
+ modes M_CFG
+ field RESET_HARB 0x80
+ field RETRY_SWEN 0x08
+ field USE_TIME 0x07
+}
+
+/*
+ * Data Channel Host Address
+ */
+register HADDR {
+ address 0x070
+ access_mode RW
+ size 8
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Host Overlay DMA Address
+ */
+register HODMAADR {
+ address 0x070
+ access_mode RW
+ size 8
+ modes M_SCSI
+}
+
+/*
+ * PCI PLL Delay.
+ */
+register PLLDELAY {
+ address 0x070
+ access_mode RW
+ size 1
+ modes M_CFG
+ field SPLIT_DROP_REQ 0x80
+}
+
+/*
+ * Data Channel Host Count
+ */
+register HCNT {
+ address 0x078
+ access_mode RW
+ size 3
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Host Overlay DMA Count
+ */
+register HODMACNT {
+ address 0x078
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * Host Overlay DMA Enable
+ */
+register HODMAEN {
+ address 0x07A
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Scatter/Gather Host Address
+ */
+register SGHADDR {
+ address 0x07C
+ access_mode RW
+ size 8
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * SCB Host Address
+ */
+register SCBHADDR {
+ address 0x07C
+ access_mode RW
+ size 8
+ modes M_CCHAN
+}
+
+/*
+ * Scatter/Gather Host Count
+ */
+register SGHCNT {
+ address 0x084
+ access_mode RW
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * SCB Host Count
+ */
+register SCBHCNT {
+ address 0x084
+ access_mode RW
+ modes M_CCHAN
+}
+
+/*
+ * Data FIFO Threshold
+ */
+register DFF_THRSH {
+ address 0x088
+ access_mode RW
+ modes M_CFG
+ field WR_DFTHRSH 0x70 {
+ WR_DFTHRSH_MIN,
+ WR_DFTHRSH_25,
+ WR_DFTHRSH_50,
+ WR_DFTHRSH_63,
+ WR_DFTHRSH_75,
+ WR_DFTHRSH_85,
+ WR_DFTHRSH_90,
+ WR_DFTHRSH_MAX
+ }
+ field RD_DFTHRSH 0x07 {
+ RD_DFTHRSH_MIN,
+ RD_DFTHRSH_25,
+ RD_DFTHRSH_50,
+ RD_DFTHRSH_63,
+ RD_DFTHRSH_75,
+ RD_DFTHRSH_85,
+ RD_DFTHRSH_90,
+ RD_DFTHRSH_MAX
+ }
+}
+
+/*
+ * ROM Address
+ */
+register ROMADDR {
+ address 0x08A
+ access_mode RW
+ size 3
+}
+
+/*
+ * ROM Control
+ */
+register ROMCNTRL {
+ address 0x08D
+ access_mode RW
+ field ROMOP 0xE0
+ field ROMSPD 0x18
+ field REPEAT 0x02
+ field RDY 0x01
+}
+
+/*
+ * ROM Data
+ */
+register ROMDATA {
+ address 0x08E
+ access_mode RW
+}
+
+/*
+ * Data Channel Receive Message 0
+ */
+register DCHRXMSG0 {
+ address 0x090
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field CDNUM 0xF8
+ field CFNUM 0x07
+}
+
+/*
+ * CMC Recieve Message 0
+ */
+register CMCRXMSG0 {
+ address 0x090
+ access_mode RO
+ modes M_CCHAN
+ field CDNUM 0xF8
+ field CFNUM 0x07
+}
+
+/*
+ * Overlay Recieve Message 0
+ */
+register OVLYRXMSG0 {
+ address 0x090
+ access_mode RO
+ modes M_SCSI
+ field CDNUM 0xF8
+ field CFNUM 0x07
+}
+
+/*
+ * Relaxed Order Enable
+ */
+register ROENABLE {
+ address 0x090
+ access_mode RW
+ modes M_CFG
+ field MSIROEN 0x20
+ field OVLYROEN 0x10
+ field CMCROEN 0x08
+ field SGROEN 0x04
+ field DCH1ROEN 0x02
+ field DCH0ROEN 0x01
+}
+
+/*
+ * Data Channel Receive Message 1
+ */
+register DCHRXMSG1 {
+ address 0x091
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field CBNUM 0xFF
+}
+
+/*
+ * CMC Recieve Message 1
+ */
+register CMCRXMSG1 {
+ address 0x091
+ access_mode RO
+ modes M_CCHAN
+ field CBNUM 0xFF
+}
+
+/*
+ * Overlay Recieve Message 1
+ */
+register OVLYRXMSG1 {
+ address 0x091
+ access_mode RO
+ modes M_SCSI
+ field CBNUM 0xFF
+}
+
+/*
+ * No Snoop Enable
+ */
+register NSENABLE {
+ address 0x091
+ access_mode RW
+ modes M_CFG
+ field MSINSEN 0x20
+ field OVLYNSEN 0x10
+ field CMCNSEN 0x08
+ field SGNSEN 0x04
+ field DCH1NSEN 0x02
+ field DCH0NSEN 0x01
+}
+
+/*
+ * Data Channel Receive Message 2
+ */
+register DCHRXMSG2 {
+ address 0x092
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field MINDEX 0xFF
+}
+
+/*
+ * CMC Recieve Message 2
+ */
+register CMCRXMSG2 {
+ address 0x092
+ access_mode RO
+ modes M_CCHAN
+ field MINDEX 0xFF
+}
+
+/*
+ * Overlay Recieve Message 2
+ */
+register OVLYRXMSG2 {
+ address 0x092
+ access_mode RO
+ modes M_SCSI
+ field MINDEX 0xFF
+}
+
+/*
+ * Outstanding Split Transactions
+ */
+register OST {
+ address 0x092
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Data Channel Receive Message 3
+ */
+register DCHRXMSG3 {
+ address 0x093
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field MCLASS 0x0F
+}
+
+/*
+ * CMC Recieve Message 3
+ */
+register CMCRXMSG3 {
+ address 0x093
+ access_mode RO
+ modes M_CCHAN
+ field MCLASS 0x0F
+}
+
+/*
+ * Overlay Recieve Message 3
+ */
+register OVLYRXMSG3 {
+ address 0x093
+ access_mode RO
+ modes M_SCSI
+ field MCLASS 0x0F
+}
+
+/*
+ * PCI-X Control
+ */
+register PCIXCTL {
+ address 0x093
+ access_mode RW
+ modes M_CFG
+ field SERRPULSE 0x80
+ field UNEXPSCIEN 0x20
+ field SPLTSMADIS 0x10
+ field SPLTSTADIS 0x08
+ field SRSPDPEEN 0x04
+ field TSCSERREN 0x02
+ field CMPABCDIS 0x01
+}
+
+/*
+ * CMC Sequencer Byte Count
+ */
+register CMCSEQBCNT {
+ address 0x094
+ access_mode RO
+ modes M_CCHAN
+}
+
+/*
+ * Overlay Sequencer Byte Count
+ */
+register OVLYSEQBCNT {
+ address 0x094
+ access_mode RO
+ modes M_SCSI
+}
+
+/*
+ * Data Channel Sequencer Byte Count
+ */
+register DCHSEQBCNT {
+ address 0x094
+ access_mode RO
+ size 2
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Data Channel Split Status 0
+ */
+register DCHSPLTSTAT0 {
+ address 0x096
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field STAETERM 0x80
+ field SCBCERR 0x40
+ field SCADERR 0x20
+ field SCDATBUCKET 0x10
+ field CNTNOTCMPLT 0x08
+ field RXOVRUN 0x04
+ field RXSCEMSG 0x02
+ field RXSPLTRSP 0x01
+}
+
+/*
+ * CMC Split Status 0
+ */
+register CMCSPLTSTAT0 {
+ address 0x096
+ access_mode RW
+ modes M_CCHAN
+ field STAETERM 0x80
+ field SCBCERR 0x40
+ field SCADERR 0x20
+ field SCDATBUCKET 0x10
+ field CNTNOTCMPLT 0x08
+ field RXOVRUN 0x04
+ field RXSCEMSG 0x02
+ field RXSPLTRSP 0x01
+}
+
+/*
+ * Overlay Split Status 0
+ */
+register OVLYSPLTSTAT0 {
+ address 0x096
+ access_mode RW
+ modes M_SCSI
+ field STAETERM 0x80
+ field SCBCERR 0x40
+ field SCADERR 0x20
+ field SCDATBUCKET 0x10
+ field CNTNOTCMPLT 0x08
+ field RXOVRUN 0x04
+ field RXSCEMSG 0x02
+ field RXSPLTRSP 0x01
+}
+
+/*
+ * Data Channel Split Status 1
+ */
+register DCHSPLTSTAT1 {
+ address 0x097
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field RXDATABUCKET 0x01
+}
+
+/*
+ * CMC Split Status 1
+ */
+register CMCSPLTSTAT1 {
+ address 0x097
+ access_mode RW
+ modes M_CCHAN
+ field RXDATABUCKET 0x01
+}
+
+/*
+ * Overlay Split Status 1
+ */
+register OVLYSPLTSTAT1 {
+ address 0x097
+ access_mode RW
+ modes M_SCSI
+ field RXDATABUCKET 0x01
+}
+
+/*
+ * S/G Receive Message 0
+ */
+register SGRXMSG0 {
+ address 0x098
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field CDNUM 0xF8
+ field CFNUM 0x07
+}
+
+/*
+ * S/G Receive Message 1
+ */
+register SGRXMSG1 {
+ address 0x099
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field CBNUM 0xFF
+}
+
+/*
+ * S/G Receive Message 2
+ */
+register SGRXMSG2 {
+ address 0x09A
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field MINDEX 0xFF
+}
+
+/*
+ * S/G Receive Message 3
+ */
+register SGRXMSG3 {
+ address 0x09B
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field MCLASS 0x0F
+}
+
+/*
+ * Slave Split Out Address 0
+ */
+register SLVSPLTOUTADR0 {
+ address 0x098
+ access_mode RO
+ modes M_SCSI
+ field LOWER_ADDR 0x7F
+}
+
+/*
+ * Slave Split Out Address 1
+ */
+register SLVSPLTOUTADR1 {
+ address 0x099
+ access_mode RO
+ modes M_SCSI
+ field REQ_DNUM 0xF8
+ field REQ_FNUM 0x07
+}
+
+/*
+ * Slave Split Out Address 2
+ */
+register SLVSPLTOUTADR2 {
+ address 0x09A
+ access_mode RO
+ modes M_SCSI
+ field REQ_BNUM 0xFF
+}
+
+/*
+ * Slave Split Out Address 3
+ */
+register SLVSPLTOUTADR3 {
+ address 0x09B
+ access_mode RO
+ modes M_SCSI
+ field RLXORD 020
+ field TAG_NUM 0x1F
+}
+
+/*
+ * SG Sequencer Byte Count
+ */
+register SGSEQBCNT {
+ address 0x09C
+ access_mode RO
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Slave Split Out Attribute 0
+ */
+register SLVSPLTOUTATTR0 {
+ address 0x09C
+ access_mode RO
+ modes M_SCSI
+ field LOWER_BCNT 0xFF
+}
+
+/*
+ * Slave Split Out Attribute 1
+ */
+register SLVSPLTOUTATTR1 {
+ address 0x09D
+ access_mode RO
+ modes M_SCSI
+ field CMPLT_DNUM 0xF8
+ field CMPLT_FNUM 0x07
+}
+
+/*
+ * Slave Split Out Attribute 2
+ */
+register SLVSPLTOUTATTR2 {
+ address 0x09E
+ access_mode RO
+ size 2
+ modes M_SCSI
+ field CMPLT_BNUM 0xFF
+}
+/*
+ * S/G Split Status 0
+ */
+register SGSPLTSTAT0 {
+ address 0x09E
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field STAETERM 0x80
+ field SCBCERR 0x40
+ field SCADERR 0x20
+ field SCDATBUCKET 0x10
+ field CNTNOTCMPLT 0x08
+ field RXOVRUN 0x04
+ field RXSCEMSG 0x02
+ field RXSPLTRSP 0x01
+}
+
+/*
+ * S/G Split Status 1
+ */
+register SGSPLTSTAT1 {
+ address 0x09F
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field RXDATABUCKET 0x01
+}
+
+/*
+ * Special Function
+ */
+register SFUNCT {
+ address 0x09f
+ access_mode RW
+ modes M_CFG
+ field TEST_GROUP 0xF0
+ field TEST_NUM 0x0F
+}
+
+/*
+ * Data FIFO 0 PCI Status
+ */
+register DF0PCISTAT {
+ address 0x0A0
+ access_mode RW
+ modes M_CFG
+ field DPE 0x80
+ field SSE 0x40
+ field RMA 0x20
+ field RTA 0x10
+ field SCAAPERR 0x08
+ field RDPERR 0x04
+ field TWATERR 0x02
+ field DPR 0x01
+}
+
+/*
+ * Data FIFO 1 PCI Status
+ */
+register DF1PCISTAT {
+ address 0x0A1
+ access_mode RW
+ modes M_CFG
+ field DPE 0x80
+ field SSE 0x40
+ field RMA 0x20
+ field RTA 0x10
+ field SCAAPERR 0x08
+ field RDPERR 0x04
+ field TWATERR 0x02
+ field DPR 0x01
+}
+
+/*
+ * S/G PCI Status
+ */
+register SGPCISTAT {
+ address 0x0A2
+ access_mode RW
+ modes M_CFG
+ field DPE 0x80
+ field SSE 0x40
+ field RMA 0x20
+ field RTA 0x10
+ field SCAAPERR 0x08
+ field RDPERR 0x04
+ field DPR 0x01
+}
+
+/*
+ * CMC PCI Status
+ */
+register CMCPCISTAT {
+ address 0x0A3
+ access_mode RW
+ modes M_CFG
+ field DPE 0x80
+ field SSE 0x40
+ field RMA 0x20
+ field RTA 0x10
+ field SCAAPERR 0x08
+ field RDPERR 0x04
+ field TWATERR 0x02
+ field DPR 0x01
+}
+
+/*
+ * Overlay PCI Status
+ */
+register OVLYPCISTAT {
+ address 0x0A4
+ access_mode RW
+ modes M_CFG
+ field DPE 0x80
+ field SSE 0x40
+ field RMA 0x20
+ field RTA 0x10
+ field SCAAPERR 0x08
+ field RDPERR 0x04
+ field DPR 0x01
+}
+
+/*
+ * PCI Status for MSI Master DMA Transfer
+ */
+register MSIPCISTAT {
+ address 0x0A6
+ access_mode RW
+ modes M_CFG
+ field SSE 0x40
+ field RMA 0x20
+ field RTA 0x10
+ field CLRPENDMSI 0x08
+ field TWATERR 0x02
+ field DPR 0x01
+}
+
+/*
+ * PCI Status for Target
+ */
+register TARGPCISTAT {
+ address 0x0A7
+ access_mode RW
+ modes M_CFG
+ field DPE 0x80
+ field SSE 0x40
+ field STA 0x08
+ field TWATERR 0x02
+}
+
+/*
+ * LQ Packet In
+ * The last LQ Packet recieved
+ */
+register LQIN {
+ address 0x020
+ access_mode RW
+ size 20
+ modes M_DFF0, M_DFF1, M_SCSI
+}
+
+/*
+ * SCB Type Pointer
+ * SCB offset for Target Mode SCB type information
+ */
+register TYPEPTR {
+ address 0x020
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Queue Tag Pointer
+ * SCB offset to the Two Byte tag identifier used for target mode.
+ */
+register TAGPTR {
+ address 0x021
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Logical Unit Number Pointer
+ * SCB offset to the LSB (little endian) of the lun field.
+ */
+register LUNPTR {
+ address 0x022
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Data Length Pointer
+ * SCB offset for the 4 byte data length field in target mode.
+ */
+register DATALENPTR {
+ address 0x023
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Status Length Pointer
+ * SCB offset to the two byte status field in target SCBs.
+ */
+register STATLENPTR {
+ address 0x024
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Command Length Pointer
+ * Scb offset for the CDB length field in initiator SCBs.
+ */
+register CMDLENPTR {
+ address 0x025
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Task Attribute Pointer
+ * Scb offset for the byte field specifying the attribute byte
+ * to be used in command packets.
+ */
+register ATTRPTR {
+ address 0x026
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Task Management Flags Pointer
+ * Scb offset for the byte field specifying the attribute flags
+ * byte to be used in command packets.
+ */
+register FLAGPTR {
+ address 0x027
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Command Pointer
+ * Scb offset for the first byte in the CDB for initiator SCBs.
+ */
+register CMDPTR {
+ address 0x028
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Queue Next Pointer
+ * Scb offset for the 2 byte "next scb link".
+ */
+register QNEXTPTR {
+ address 0x029
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * SCSI ID Pointer
+ * Scb offset to the value to place in the SCSIID register
+ * during target mode connections.
+ */
+register IDPTR {
+ address 0x02A
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Command Aborted Byte Pointer
+ * Offset to the SCB flags field that includes the
+ * "SCB aborted" status bit.
+ */
+register ABRTBYTEPTR {
+ address 0x02B
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Command Aborted Bit Pointer
+ * Bit offset in the SCB flags field for "SCB aborted" status.
+ */
+register ABRTBITPTR {
+ address 0x02C
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Rev B or greater.
+ */
+register MAXCMDBYTES {
+ address 0x02D
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Rev B or greater.
+ */
+register MAXCMD2RCV {
+ address 0x02E
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Rev B or greater.
+ */
+register SHORTTHRESH {
+ address 0x02F
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Logical Unit Number Length
+ * The length, in bytes, of the SCB lun field.
+ */
+register LUNLEN {
+ address 0x030
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * CDB Limit
+ * The size, in bytes, of the embedded CDB field in initator SCBs.
+ */
+register CDBLIMIT {
+ address 0x031
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Maximum Commands
+ * The maximum number of commands to issue during a
+ * single packetized connection.
+ */
+register MAXCMD {
+ address 0x032
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * Maximum Command Counter
+ * The number of commands already sent during this connection
+ */
+register MAXCMDCNT {
+ address 0x033
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * LQ Packet Reserved Bytes
+ * The bytes to be sent in the currently reserved fileds
+ * of all LQ packets.
+ */
+register LQRSVD01 {
+ address 0x034
+ access_mode RW
+ modes M_SCSI
+}
+register LQRSVD16 {
+ address 0x035
+ access_mode RW
+ modes M_SCSI
+}
+register LQRSVD17 {
+ address 0x036
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Command Reserved 0
+ * The byte to be sent for the reserved byte 0 of
+ * outgoing command packets.
+ */
+register CMDRSVD0 {
+ address 0x037
+ access_mode RW
+ modes M_CFG
+}
+
+/*
+ * LQ Manager Control 0
+ */
+register LQCTL0 {
+ address 0x038
+ access_mode RW
+ modes M_CFG
+ field LQITARGCLT 0xC0
+ field LQIINITGCLT 0x30
+ field LQ0TARGCLT 0x0C
+ field LQ0INITGCLT 0x03
+}
+
+/*
+ * LQ Manager Control 1
+ */
+register LQCTL1 {
+ address 0x038
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field PCI2PCI 0x04
+ field SINGLECMD 0x02
+ field ABORTPENDING 0x01
+}
+
+/*
+ * LQ Manager Control 2
+ */
+register LQCTL2 {
+ address 0x039
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field LQIRETRY 0x80
+ field LQICONTINUE 0x40
+ field LQITOIDLE 0x20
+ field LQIPAUSE 0x10
+ field LQORETRY 0x08
+ field LQOCONTINUE 0x04
+ field LQOTOIDLE 0x02
+ field LQOPAUSE 0x01
+}
+
+/*
+ * SCSI RAM BIST0
+ */
+register SCSBIST0 {
+ address 0x039
+ access_mode RW
+ modes M_CFG
+ field GSBISTERR 0x40
+ field GSBISTDONE 0x20
+ field GSBISTRUN 0x10
+ field OSBISTERR 0x04
+ field OSBISTDONE 0x02
+ field OSBISTRUN 0x01
+}
+
+/*
+ * SCSI Sequence Control0
+ */
+register SCSISEQ0 {
+ address 0x03A
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field TEMODEO 0x80
+ field ENSELO 0x40
+ field ENARBO 0x20
+ field FORCEBUSFREE 0x10
+ field SCSIRSTO 0x01
+}
+
+/*
+ * SCSI RAM BIST 1
+ */
+register SCSBIST1 {
+ address 0x03A
+ access_mode RW
+ modes M_CFG
+ field NTBISTERR 0x04
+ field NTBISTDONE 0x02
+ field NTBISTRUN 0x01
+}
+
+/*
+ * SCSI Sequence Control 1
+ */
+register SCSISEQ1 {
+ address 0x03B
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field MANUALCTL 0x40
+ field ENSELI 0x20
+ field ENRSELI 0x10
+ field MANUALP 0x0C
+ field ENAUTOATNP 0x02
+ field ALTSTIM 0x01
+}
+
+/*
+ * SCSI Transfer Control 0
+ */
+register SXFRCTL0 {
+ address 0x03C
+ access_mode RW
+ modes M_SCSI
+ field DFON 0x80
+ field DFPEXP 0x40
+ field BIOSCANCELEN 0x10
+ field SPIOEN 0x08
+}
+
+/*
+ * SCSI Transfer Control 1
+ */
+register SXFRCTL1 {
+ address 0x03D
+ access_mode RW
+ modes M_SCSI
+ field BITBUCKET 0x80
+ field ENSACHK 0x40
+ field ENSPCHK 0x20
+ field STIMESEL 0x18
+ field ENSTIMER 0x04
+ field ACTNEGEN 0x02
+ field STPWEN 0x01
+}
+
+/*
+ * SCSI Transfer Control 2
+ */
+register SXFRCTL2 {
+ address 0x03E
+ access_mode RW
+ modes M_SCSI
+ field AUTORSTDIS 0x10
+ field CMDDMAEN 0x08
+ field ASU 0x07
+}
+
+/*
+ * SCSI Bus Initiator IDs
+ * Bitmask of observed initiators on the bus.
+ */
+register BUSINITID {
+ address 0x03C
+ access_mode RW
+ modes M_CFG
+ size 2
+}
+
+/*
+ * Data Length Counters
+ * Packet byte counter.
+ */
+register DLCOUNT {
+ address 0x03C
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ size 3
+}
+
+/*
+ * Data FIFO Status
+ */
+register DFFSTAT {
+ address 0x03F
+ access_mode RW
+ modes M_SCSI
+ field FIFO1FREE 0x20
+ field FIFO0FREE 0x10
+ /*
+ * On the B, this enum only works
+ * in the read direction. For writes,
+ * you must use the B version of the
+ * CURRFIFO_0 definition which is defined
+ * as a constant outside of this register
+ * definition to avoid confusing the
+ * register pretty printing code.
+ */
+ enum CURRFIFO 0x03 {
+ CURRFIFO_0,
+ CURRFIFO_1,
+ CURRFIFO_NONE 0x3
+ }
+}
+
+const B_CURRFIFO_0 0x2
+
+/*
+ * SCSI Bus Target IDs
+ * Bitmask of observed targets on the bus.
+ */
+register BUSTARGID {
+ address 0x03E
+ access_mode RW
+ modes M_CFG
+ size 2
+}
+
+/*
+ * SCSI Control Signal Out
+ */
+register SCSISIGO {
+ address 0x040
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CDO 0x80
+ field IOO 0x40
+ field MSGO 0x20
+ field ATNO 0x10
+ field SELO 0x08
+ field BSYO 0x04
+ field REQO 0x02
+ field ACKO 0x01
+/*
+ * Possible phases to write into SCSISIG0
+ */
+ enum PHASE_MASK CDO|IOO|MSGO {
+ P_DATAOUT 0x0,
+ P_DATAIN IOO,
+ P_DATAOUT_DT P_DATAOUT|MSGO,
+ P_DATAIN_DT P_DATAIN|MSGO,
+ P_COMMAND CDO,
+ P_MESGOUT CDO|MSGO,
+ P_STATUS CDO|IOO,
+ P_MESGIN CDO|IOO|MSGO
+ }
+}
+
+register SCSISIGI {
+ address 0x041
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CDI 0x80
+ field IOI 0x40
+ field MSGI 0x20
+ field ATNI 0x10
+ field SELI 0x08
+ field BSYI 0x04
+ field REQI 0x02
+ field ACKI 0x01
+/*
+ * Possible phases in SCSISIGI
+ */
+ enum PHASE_MASK CDO|IOO|MSGO {
+ P_DATAOUT 0x0,
+ P_DATAIN IOO,
+ P_DATAOUT_DT P_DATAOUT|MSGO,
+ P_DATAIN_DT P_DATAIN|MSGO,
+ P_COMMAND CDO,
+ P_MESGOUT CDO|MSGO,
+ P_STATUS CDO|IOO,
+ P_MESGIN CDO|IOO|MSGO
+ }
+}
+
+/*
+ * Multiple Target IDs
+ * Bitmask of ids to respond as a target.
+ */
+register MULTARGID {
+ address 0x040
+ access_mode RW
+ modes M_CFG
+ size 2
+}
+
+/*
+ * SCSI Phase
+ */
+register SCSIPHASE {
+ address 0x042
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field STATUS_PHASE 0x20
+ field COMMAND_PHASE 0x10
+ field MSG_IN_PHASE 0x08
+ field MSG_OUT_PHASE 0x04
+ field DATA_PHASE_MASK 0x03 {
+ DATA_OUT_PHASE 0x01,
+ DATA_IN_PHASE 0x02
+ }
+}
+
+/*
+ * SCSI Data 0 Image
+ */
+register SCSIDAT0_IMG {
+ address 0x043
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+}
+
+/*
+ * SCSI Latched Data
+ */
+register SCSIDAT {
+ address 0x044
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ size 2
+}
+
+/*
+ * SCSI Data Bus
+ */
+register SCSIBUS {
+ address 0x046
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ size 2
+}
+
+/*
+ * Target ID In
+ */
+register TARGIDIN {
+ address 0x048
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLKOUT 0x80
+ field TARGID 0x0F
+}
+
+/*
+ * Selection/Reselection ID
+ * Upper four bits are the device id. The ONEBIT is set when the re/selecting
+ * device did not set its own ID.
+ */
+register SELID {
+ address 0x049
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field SELID_MASK 0xf0
+ field ONEBIT 0x08
+}
+
+/*
+ * SCSI Block Control
+ * Controls Bus type and channel selection. SELWIDE allows for the
+ * coexistence of 8bit and 16bit devices on a wide bus.
+ */
+register SBLKCTL {
+ address 0x04A
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field DIAGLEDEN 0x80
+ field DIAGLEDON 0x40
+ field ENAB40 0x08 /* LVD transceiver active */
+ field ENAB20 0x04 /* SE/HVD transceiver active */
+ field SELWIDE 0x02
+}
+
+/*
+ * Option Mode
+ */
+register OPTIONMODE {
+ address 0x04A
+ access_mode RW
+ modes M_CFG
+ field BIOSCANCTL 0x80
+ field AUTOACKEN 0x40
+ field BIASCANCTL 0x20
+ field BUSFREEREV 0x10
+ field ENDGFORMCHK 0x04
+ field AUTO_MSGOUT_DE 0x02
+ mask OPTIONMODE_DEFAULTS AUTO_MSGOUT_DE
+}
+
+/*
+ * SCSI Status 0
+ */
+register SSTAT0 {
+ address 0x04B
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field TARGET 0x80 /* Board acting as target */
+ field SELDO 0x40 /* Selection Done */
+ field SELDI 0x20 /* Board has been selected */
+ field SELINGO 0x10 /* Selection In Progress */
+ field IOERR 0x08 /* LVD Tranceiver mode changed */
+ field OVERRUN 0x04 /* SCSI Offset overrun detected */
+ field SPIORDY 0x02 /* SCSI PIO Ready */
+ field ARBDO 0x01 /* Arbitration Done Out */
+}
+
+/*
+ * Clear SCSI Interrupt 0
+ * Writing a 1 to a bit clears the associated SCSI Interrupt in SSTAT0.
+ */
+register CLRSINT0 {
+ address 0x04B
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRSELDO 0x40
+ field CLRSELDI 0x20
+ field CLRSELINGO 0x10
+ field CLRIOERR 0x08
+ field CLROVERRUN 0x04
+ field CLRSPIORDY 0x02
+ field CLRARBDO 0x01
+}
+
+/*
+ * SCSI Interrupt Mode 0
+ * Setting any bit will enable the corresponding function
+ * in SIMODE0 to interrupt via the IRQ pin.
+ */
+register SIMODE0 {
+ address 0x04B
+ access_mode RW
+ modes M_CFG
+ field ENSELDO 0x40
+ field ENSELDI 0x20
+ field ENSELINGO 0x10
+ field ENIOERR 0x08
+ field ENOVERRUN 0x04
+ field ENSPIORDY 0x02
+ field ENARBDO 0x01
+}
+
+/*
+ * SCSI Status 1
+ */
+register SSTAT1 {
+ address 0x04C
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field SELTO 0x80
+ field ATNTARG 0x40
+ field SCSIRSTI 0x20
+ field PHASEMIS 0x10
+ field BUSFREE 0x08
+ field SCSIPERR 0x04
+ field STRB2FAST 0x02
+ field REQINIT 0x01
+}
+
+/*
+ * Clear SCSI Interrupt 1
+ * Writing a 1 to a bit clears the associated SCSI Interrupt in SSTAT1.
+ */
+register CLRSINT1 {
+ address 0x04C
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRSELTIMEO 0x80
+ field CLRATNO 0x40
+ field CLRSCSIRSTI 0x20
+ field CLRBUSFREE 0x08
+ field CLRSCSIPERR 0x04
+ field CLRSTRB2FAST 0x02
+ field CLRREQINIT 0x01
+}
+
+/*
+ * SCSI Status 2
+ */
+register SSTAT2 {
+ address 0x04d
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field BUSFREETIME 0xc0 {
+ BUSFREE_LQO 0x40,
+ BUSFREE_DFF0 0x80,
+ BUSFREE_DFF1 0xC0
+ }
+ field NONPACKREQ 0x20
+ field EXP_ACTIVE 0x10 /* SCSI Expander Active */
+ field BSYX 0x08 /* Busy Expander */
+ field WIDE_RES 0x04 /* Modes 0 and 1 only */
+ field SDONE 0x02 /* Modes 0 and 1 only */
+ field DMADONE 0x01 /* Modes 0 and 1 only */
+}
+
+/*
+ * Clear SCSI Interrupt 2
+ */
+register CLRSINT2 {
+ address 0x04D
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRNONPACKREQ 0x20
+ field CLRWIDE_RES 0x04 /* Modes 0 and 1 only */
+ field CLRSDONE 0x02 /* Modes 0 and 1 only */
+ field CLRDMADONE 0x01 /* Modes 0 and 1 only */
+}
+
+/*
+ * SCSI Interrupt Mode 2
+ */
+register SIMODE2 {
+ address 0x04D
+ access_mode RW
+ modes M_CFG
+ field ENWIDE_RES 0x04
+ field ENSDONE 0x02
+ field ENDMADONE 0x01
+}
+
+/*
+ * Physical Error Diagnosis
+ */
+register PERRDIAG {
+ address 0x04E
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field HIZERO 0x80
+ field HIPERR 0x40
+ field PREVPHASE 0x20
+ field PARITYERR 0x10
+ field AIPERR 0x08
+ field CRCERR 0x04
+ field DGFORMERR 0x02
+ field DTERR 0x01
+}
+
+/*
+ * LQI Manager Current State
+ */
+register LQISTATE {
+ address 0x04E
+ access_mode RO
+ modes M_CFG
+}
+
+/*
+ * SCSI Offset Count
+ */
+register SOFFCNT {
+ address 0x04F
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+}
+
+/*
+ * LQO Manager Current State
+ */
+register LQOSTATE {
+ address 0x04F
+ access_mode RO
+ modes M_CFG
+}
+
+/*
+ * LQI Manager Status
+ */
+register LQISTAT0 {
+ address 0x050
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field LQIATNQAS 0x20
+ field LQICRCT1 0x10
+ field LQICRCT2 0x08
+ field LQIBADLQT 0x04
+ field LQIATNLQ 0x02
+ field LQIATNCMD 0x01
+}
+
+/*
+ * Clear LQI Interrupts 0
+ */
+register CLRLQIINT0 {
+ address 0x050
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRLQIATNQAS 0x20
+ field CLRLQICRCT1 0x10
+ field CLRLQICRCT2 0x08
+ field CLRLQIBADLQT 0x04
+ field CLRLQIATNLQ 0x02
+ field CLRLQIATNCMD 0x01
+}
+
+/*
+ * LQI Manager Interrupt Mode 0
+ */
+register LQIMODE0 {
+ address 0x050
+ access_mode RW
+ modes M_CFG
+ field ENLQIATNQASK 0x20
+ field ENLQICRCT1 0x10
+ field ENLQICRCT2 0x08
+ field ENLQIBADLQT 0x04
+ field ENLQIATNLQ 0x02
+ field ENLQIATNCMD 0x01
+}
+
+/*
+ * LQI Manager Status 1
+ */
+register LQISTAT1 {
+ address 0x051
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field LQIPHASE_LQ 0x80
+ field LQIPHASE_NLQ 0x40
+ field LQIABORT 0x20
+ field LQICRCI_LQ 0x10
+ field LQICRCI_NLQ 0x08
+ field LQIBADLQI 0x04
+ field LQIOVERI_LQ 0x02
+ field LQIOVERI_NLQ 0x01
+}
+
+/*
+ * Clear LQI Manager Interrupts1
+ */
+register CLRLQIINT1 {
+ address 0x051
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRLQIPHASE_LQ 0x80
+ field CLRLQIPHASE_NLQ 0x40
+ field CLRLIQABORT 0x20
+ field CLRLQICRCI_LQ 0x10
+ field CLRLQICRCI_NLQ 0x08
+ field CLRLQIBADLQI 0x04
+ field CLRLQIOVERI_LQ 0x02
+ field CLRLQIOVERI_NLQ 0x01
+}
+
+/*
+ * LQI Manager Interrupt Mode 1
+ */
+register LQIMODE1 {
+ address 0x051
+ access_mode RW
+ modes M_CFG
+ field ENLQIPHASE_LQ 0x80
+ field ENLQIPHASE_NLQ 0x40
+ field ENLIQABORT 0x20
+ field ENLQICRCI_LQ 0x10
+ field ENLQICRCI_NLQ 0x08
+ field ENLQIBADLQI 0x04
+ field ENLQIOVERI_LQ 0x02
+ field ENLQIOVERI_NLQ 0x01
+}
+
+/*
+ * LQI Manager Status 2
+ */
+register LQISTAT2 {
+ address 0x052
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field PACKETIZED 0x80
+ field LQIPHASE_OUTPKT 0x40
+ field LQIWORKONLQ 0x20
+ field LQIWAITFIFO 0x10
+ field LQISTOPPKT 0x08
+ field LQISTOPLQ 0x04
+ field LQISTOPCMD 0x02
+ field LQIGSAVAIL 0x01
+}
+
+/*
+ * SCSI Status 3
+ */
+register SSTAT3 {
+ address 0x053
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field NTRAMPERR 0x02
+ field OSRAMPERR 0x01
+}
+
+/*
+ * Clear SCSI Status 3
+ */
+register CLRSINT3 {
+ address 0x053
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRNTRAMPERR 0x02
+ field CLROSRAMPERR 0x01
+}
+
+/*
+ * SCSI Interrupt Mode 3
+ */
+register SIMODE3 {
+ address 0x053
+ access_mode RW
+ modes M_CFG
+ field ENNTRAMPERR 0x02
+ field ENOSRAMPERR 0x01
+}
+
+/*
+ * LQO Manager Status 0
+ */
+register LQOSTAT0 {
+ address 0x054
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field LQOTARGSCBPERR 0x10
+ field LQOSTOPT2 0x08
+ field LQOATNLQ 0x04
+ field LQOATNPKT 0x02
+ field LQOTCRC 0x01
+}
+
+/*
+ * Clear LQO Manager interrupt 0
+ */
+register CLRLQOINT0 {
+ address 0x054
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRLQOTARGSCBPERR 0x10
+ field CLRLQOSTOPT2 0x08
+ field CLRLQOATNLQ 0x04
+ field CLRLQOATNPKT 0x02
+ field CLRLQOTCRC 0x01
+}
+
+/*
+ * LQO Manager Interrupt Mode 0
+ */
+register LQOMODE0 {
+ address 0x054
+ access_mode RW
+ modes M_CFG
+ field ENLQOTARGSCBPERR 0x10
+ field ENLQOSTOPT2 0x08
+ field ENLQOATNLQ 0x04
+ field ENLQOATNPKT 0x02
+ field ENLQOTCRC 0x01
+}
+
+/*
+ * LQO Manager Status 1
+ */
+register LQOSTAT1 {
+ address 0x055
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field LQOINITSCBPERR 0x10
+ field LQOSTOPI2 0x08
+ field LQOBADQAS 0x04
+ field LQOBUSFREE 0x02
+ field LQOPHACHGINPKT 0x01
+}
+
+/*
+ * Clear LOQ Interrupt 1
+ */
+register CLRLQOINT1 {
+ address 0x055
+ access_mode WO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field CLRLQOINITSCBPERR 0x10
+ field CLRLQOSTOPI2 0x08
+ field CLRLQOBADQAS 0x04
+ field CLRLQOBUSFREE 0x02
+ field CLRLQOPHACHGINPKT 0x01
+}
+
+/*
+ * LQO Manager Interrupt Mode 1
+ */
+register LQOMODE1 {
+ address 0x055
+ access_mode RW
+ modes M_CFG
+ field ENLQOINITSCBPERR 0x10
+ field ENLQOSTOPI2 0x08
+ field ENLQOBADQAS 0x04
+ field ENLQOBUSFREE 0x02
+ field ENLQOPHACHGINPKT 0x01
+}
+
+/*
+ * LQO Manager Status 2
+ */
+register LQOSTAT2 {
+ address 0x056
+ access_mode RO
+ modes M_DFF0, M_DFF1, M_SCSI
+ field LQOPKT 0xE0
+ field LQOWAITFIFO 0x10
+ field LQOPHACHGOUTPKT 0x02 /* outside of packet boundaries. */
+ field LQOSTOP0 0x01 /* Stopped after sending all packets */
+}
+
+/*
+ * Output Synchronizer Space Count
+ */
+register OS_SPACE_CNT {
+ address 0x056
+ access_mode RO
+ modes M_CFG
+}
+
+/*
+ * SCSI Interrupt Mode 1
+ * Setting any bit will enable the corresponding function
+ * in SIMODE1 to interrupt via the IRQ pin.
+ */
+register SIMODE1 {
+ address 0x057
+ access_mode RW
+ modes M_DFF0, M_DFF1, M_SCSI
+ field ENSELTIMO 0x80
+ field ENATNTARG 0x40
+ field ENSCSIRST 0x20
+ field ENPHASEMIS 0x10
+ field ENBUSFREE 0x08
+ field ENSCSIPERR 0x04
+ field ENSTRB2FAST 0x02
+ field ENREQINIT 0x01
+}
+
+/*
+ * Good Status FIFO
+ */
+register GSFIFO {
+ address 0x058
+ access_mode RO
+ size 2
+ modes M_DFF0, M_DFF1, M_SCSI
+}
+
+/*
+ * Data FIFO SCSI Transfer Control
+ */
+register DFFSXFRCTL {
+ address 0x05A
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field DFFBITBUCKET 0x08
+ field CLRSHCNT 0x04
+ field CLRCHN 0x02
+ field RSTCHN 0x01
+}
+
+/*
+ * Next SCSI Control Block
+ */
+register NEXTSCB {
+ address 0x05A
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/* Rev B only. */
+register LQOSCSCTL {
+ address 0x05A
+ access_mode RW
+ size 1
+ modes M_CFG
+ field LQOH2A_VERSION 0x80
+ field LQONOCHKOVER 0x01
+}
+
+/*
+ * SEQ Interrupts
+ */
+register SEQINTSRC {
+ address 0x05B
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field CTXTDONE 0x40
+ field SAVEPTRS 0x20
+ field CFG4DATA 0x10
+ field CFG4ISTAT 0x08
+ field CFG4TSTAT 0x04
+ field CFG4ICMD 0x02
+ field CFG4TCMD 0x01
+}
+
+/*
+ * Clear Arp Interrupts
+ */
+register CLRSEQINTSRC {
+ address 0x05B
+ access_mode WO
+ modes M_DFF0, M_DFF1
+ field CLRCTXTDONE 0x40
+ field CLRSAVEPTRS 0x20
+ field CLRCFG4DATA 0x10
+ field CLRCFG4ISTAT 0x08
+ field CLRCFG4TSTAT 0x04
+ field CLRCFG4ICMD 0x02
+ field CLRCFG4TCMD 0x01
+}
+
+/*
+ * SEQ Interrupt Enabled (Shared)
+ */
+register SEQIMODE {
+ address 0x05C
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field ENCTXTDONE 0x40
+ field ENSAVEPTRS 0x20
+ field ENCFG4DATA 0x10
+ field ENCFG4ISTAT 0x08
+ field ENCFG4TSTAT 0x04
+ field ENCFG4ICMD 0x02
+ field ENCFG4TCMD 0x01
+}
+
+/*
+ * Current SCSI Control Block
+ */
+register CURRSCB {
+ address 0x05C
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * Data FIFO Status
+ */
+register MDFFSTAT {
+ address 0x05D
+ access_mode RO
+ modes M_DFF0, M_DFF1
+ field SHCNTNEGATIVE 0x40 /* Rev B or higher */
+ field SHCNTMINUS1 0x20 /* Rev B or higher */
+ field LASTSDONE 0x10
+ field SHVALID 0x08
+ field DLZERO 0x04 /* FIFO data ends on packet boundary. */
+ field DATAINFIFO 0x02
+ field FIFOFREE 0x01
+}
+
+/*
+ * CRC Control
+ */
+register CRCCONTROL {
+ address 0x05d
+ access_mode RW
+ modes M_CFG
+ field CRCVALCHKEN 0x40
+}
+
+/*
+ * SCSI Test Control
+ */
+register SCSITEST {
+ address 0x05E
+ access_mode RW
+ modes M_CFG
+ field CNTRTEST 0x08
+ field SEL_TXPLL_DEBUG 0x04
+}
+
+/*
+ * Data FIFO Queue Tag
+ */
+register DFFTAG {
+ address 0x05E
+ access_mode RW
+ size 2
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Last SCSI Control Block
+ */
+register LASTSCB {
+ address 0x05E
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * SCSI I/O Cell Power-down Control
+ */
+register IOPDNCTL {
+ address 0x05F
+ access_mode RW
+ modes M_CFG
+ field DISABLE_OE 0x80
+ field PDN_IDIST 0x04
+ field PDN_DIFFSENSE 0x01
+}
+
+/*
+ * Shaddow Host Address.
+ */
+register SHADDR {
+ address 0x060
+ access_mode RO
+ size 8
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Data Group CRC Interval.
+ */
+register DGRPCRCI {
+ address 0x060
+ access_mode RW
+ size 2
+ modes M_CFG
+}
+
+/*
+ * Data Transfer Negotiation Address
+ */
+register NEGOADDR {
+ address 0x060
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Data Transfer Negotiation Data - Period Byte
+ */
+register NEGPERIOD {
+ address 0x061
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Packetized CRC Interval
+ */
+register PACKCRCI {
+ address 0x062
+ access_mode RW
+ size 2
+ modes M_CFG
+}
+
+/*
+ * Data Transfer Negotiation Data - Offset Byte
+ */
+register NEGOFFSET {
+ address 0x062
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Data Transfer Negotiation Data - PPR Options
+ */
+register NEGPPROPTS {
+ address 0x063
+ access_mode RW
+ modes M_SCSI
+ field PPROPT_PACE 0x08
+ field PPROPT_QAS 0x04
+ field PPROPT_DT 0x02
+ field PPROPT_IUT 0x01
+}
+
+/*
+ * Data Transfer Negotiation Data - Connection Options
+ */
+register NEGCONOPTS {
+ address 0x064
+ access_mode RW
+ modes M_SCSI
+ field ENSNAPSHOT 0x40
+ field RTI_WRTDIS 0x20
+ field RTI_OVRDTRN 0x10
+ field ENSLOWCRC 0x08
+ field ENAUTOATNI 0x04
+ field ENAUTOATNO 0x02
+ field WIDEXFER 0x01
+}
+
+/*
+ * Negotiation Table Annex Column Index.
+ */
+register ANNEXCOL {
+ address 0x065
+ access_mode RW
+ modes M_SCSI
+}
+
+register SCSCHKN {
+ address 0x066
+ access_mode RW
+ modes M_CFG
+ field STSELSKIDDIS 0x40
+ field CURRFIFODEF 0x20
+ field WIDERESEN 0x10
+ field SDONEMSKDIS 0x08
+ field DFFACTCLR 0x04
+ field SHVALIDSTDIS 0x02
+ field LSTSGCLRDIS 0x01
+}
+
+const AHD_ANNEXCOL_PER_DEV0 4
+const AHD_NUM_PER_DEV_ANNEXCOLS 4
+const AHD_ANNEXCOL_PRECOMP_SLEW 4
+const AHD_PRECOMP_MASK 0x07
+const AHD_PRECOMP_SHIFT 0
+const AHD_PRECOMP_CUTBACK_17 0x04
+const AHD_PRECOMP_CUTBACK_29 0x06
+const AHD_PRECOMP_CUTBACK_37 0x07
+const AHD_SLEWRATE_MASK 0x78
+const AHD_SLEWRATE_SHIFT 3
+/*
+ * Rev A has only a single bit of slew adjustment.
+ * Rev B has 4 bits.
+ */
+const AHD_SLEWRATE_DEF_REVA 0x01
+const AHD_SLEWRATE_DEF_REVB 0x08
+
+/* Rev A does not have any amplitude setting. */
+const AHD_ANNEXCOL_AMPLITUDE 6
+const AHD_AMPLITUDE_MASK 0x7
+const AHD_AMPLITUDE_SHIFT 0
+const AHD_AMPLITUDE_DEF 0x7
+
+/*
+ * Negotiation Table Annex Data Port.
+ */
+register ANNEXDAT {
+ address 0x066
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Initiator's Own Id.
+ * The SCSI ID to use for Selection Out and seen during a reselection..
+ */
+register IOWNID {
+ address 0x067
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * 960MHz Phase-Locked Loop Control 0
+ */
+register PLL960CTL0 {
+ address 0x068
+ access_mode RW
+ modes M_CFG
+ field PLL_VCOSEL 0x80
+ field PLL_PWDN 0x40
+ field PLL_NS 0x30
+ field PLL_ENLUD 0x08
+ field PLL_ENLPF 0x04
+ field PLL_DLPF 0x02
+ field PLL_ENFBM 0x01
+}
+
+/*
+ * Target Own Id
+ */
+register TOWNID {
+ address 0x069
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * 960MHz Phase-Locked Loop Control 1
+ */
+register PLL960CTL1 {
+ address 0x069
+ access_mode RW
+ modes M_CFG
+ field PLL_CNTEN 0x80
+ field PLL_CNTCLR 0x40
+ field PLL_RST 0x01
+}
+
+/*
+ * Expander Signature
+ */
+register XSIG {
+ address 0x06A
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Shadow Byte Count
+ */
+register SHCNT {
+ address 0x068
+ access_mode RW
+ size 3
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Selection Out ID
+ */
+register SELOID {
+ address 0x06B
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * 960-MHz Phase-Locked Loop Test Count
+ */
+register PLL960CNT0 {
+ address 0x06A
+ access_mode RO
+ size 2
+ modes M_CFG
+}
+
+/*
+ * 400-MHz Phase-Locked Loop Control 0
+ */
+register PLL400CTL0 {
+ address 0x06C
+ access_mode RW
+ modes M_CFG
+ field PLL_VCOSEL 0x80
+ field PLL_PWDN 0x40
+ field PLL_NS 0x30
+ field PLL_ENLUD 0x08
+ field PLL_ENLPF 0x04
+ field PLL_DLPF 0x02
+ field PLL_ENFBM 0x01
+}
+
+/*
+ * Arbitration Fairness
+ */
+register FAIRNESS {
+ address 0x06C
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * 400-MHz Phase-Locked Loop Control 1
+ */
+register PLL400CTL1 {
+ address 0x06D
+ access_mode RW
+ modes M_CFG
+ field PLL_CNTEN 0x80
+ field PLL_CNTCLR 0x40
+ field PLL_RST 0x01
+}
+
+/*
+ * Arbitration Unfairness
+ */
+register UNFAIRNESS {
+ address 0x06E
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * 400-MHz Phase-Locked Loop Test Count
+ */
+register PLL400CNT0 {
+ address 0x06E
+ access_mode RO
+ size 2
+ modes M_CFG
+}
+
+/*
+ * SCB Page Pointer
+ */
+register SCBPTR {
+ address 0x0A8
+ access_mode RW
+ size 2
+ modes M_DFF0, M_DFF1, M_CCHAN, M_SCSI
+}
+
+/*
+ * CMC SCB Array Count
+ * Number of bytes to transfer between CMC SCB memory and SCBRAM.
+ * Transfers must be 8byte aligned and sized.
+ */
+register CCSCBACNT {
+ address 0x0AB
+ access_mode RW
+ modes M_CCHAN
+}
+
+/*
+ * SCB Autopointer
+ * SCB-Next Address Snooping logic. When an SCB is transferred to
+ * the card, the next SCB address to be used by the CMC array can
+ * be autoloaded from that transfer.
+ */
+register SCBAUTOPTR {
+ address 0x0AB
+ access_mode RW
+ modes M_CFG
+ field AUSCBPTR_EN 0x80
+ field SCBPTR_ADDR 0x38
+ field SCBPTR_OFF 0x07
+}
+
+/*
+ * CMC SG Ram Address Pointer
+ */
+register CCSGADDR {
+ address 0x0AC
+ access_mode RW
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * CMC SCB RAM Address Pointer
+ */
+register CCSCBADDR {
+ address 0x0AC
+ access_mode RW
+ modes M_CCHAN
+}
+
+/*
+ * CMC SCB Ram Back-up Address Pointer
+ * Indicates the true stop location of transfers halted prior
+ * to SCBHCNT going to 0.
+ */
+register CCSCBADR_BK {
+ address 0x0AC
+ access_mode RO
+ modes M_CFG
+}
+
+/*
+ * CMC SG Control
+ */
+register CCSGCTL {
+ address 0x0AD
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field CCSGDONE 0x80
+ field SG_CACHE_AVAIL 0x10
+ field CCSGENACK 0x08
+ mask CCSGEN 0x0C
+ field SG_FETCH_REQ 0x02
+ field CCSGRESET 0x01
+}
+
+/*
+ * CMD SCB Control
+ */
+register CCSCBCTL {
+ address 0x0AD
+ access_mode RW
+ modes M_CCHAN
+ field CCSCBDONE 0x80
+ field ARRDONE 0x40
+ field CCARREN 0x10
+ field CCSCBEN 0x08
+ field CCSCBDIR 0x04
+ field CCSCBRESET 0x01
+}
+
+/*
+ * CMC Ram BIST
+ */
+register CMC_RAMBIST {
+ address 0x0AD
+ access_mode RW
+ modes M_CFG
+ field SG_ELEMENT_SIZE 0x80
+ field SCBRAMBIST_FAIL 0x40
+ field SG_BIST_FAIL 0x20
+ field SG_BIST_EN 0x10
+ field CMC_BUFFER_BIST_FAIL 0x02
+ field CMC_BUFFER_BIST_EN 0x01
+}
+
+/*
+ * CMC SG RAM Data Port
+ */
+register CCSGRAM {
+ address 0x0B0
+ access_mode RW
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * CMC SCB RAM Data Port
+ */
+register CCSCBRAM {
+ address 0x0B0
+ access_mode RW
+ modes M_CCHAN
+}
+
+/*
+ * Flex DMA Address.
+ */
+register FLEXADR {
+ address 0x0B0
+ access_mode RW
+ size 3
+ modes M_SCSI
+}
+
+/*
+ * Flex DMA Byte Count
+ */
+register FLEXCNT {
+ address 0x0B3
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * Flex DMA Status
+ */
+register FLEXDMASTAT {
+ address 0x0B5
+ access_mode RW
+ modes M_SCSI
+ field FLEXDMAERR 0x02
+ field FLEXDMADONE 0x01
+}
+
+/*
+ * Flex DMA Data Port
+ */
+register FLEXDATA {
+ address 0x0B6
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Board Data
+ */
+register BRDDAT {
+ address 0x0B8
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Board Control
+ */
+register BRDCTL {
+ address 0x0B9
+ access_mode RW
+ modes M_SCSI
+ field FLXARBACK 0x80
+ field FLXARBREQ 0x40
+ field BRDADDR 0x38
+ field BRDEN 0x04
+ field BRDRW 0x02
+ field BRDSTB 0x01
+}
+
+/*
+ * Serial EEPROM Address
+ */
+register SEEADR {
+ address 0x0BA
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Serial EEPROM Data
+ */
+register SEEDAT {
+ address 0x0BC
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * Serial EEPROM Status
+ */
+register SEESTAT {
+ address 0x0BE
+ access_mode RO
+ modes M_SCSI
+ field INIT_DONE 0x80
+ field SEEOPCODE 0x70
+ field LDALTID_L 0x08
+ field SEEARBACK 0x04
+ field SEEBUSY 0x02
+ field SEESTART 0x01
+}
+
+/*
+ * Serial EEPROM Control
+ */
+register SEECTL {
+ address 0x0BE
+ access_mode RW
+ modes M_SCSI
+ field SEEOPCODE 0x70 {
+ SEEOP_ERASE 0x70,
+ SEEOP_READ 0x60,
+ SEEOP_WRITE 0x50,
+ /*
+ * The following four commands use special
+ * addresses for differentiation.
+ */
+ SEEOP_ERAL 0x40
+ }
+ mask SEEOP_EWEN 0x40
+ mask SEEOP_WALL 0x40
+ mask SEEOP_EWDS 0x40
+ field SEERST 0x02
+ field SEESTART 0x01
+}
+
+const SEEOP_ERAL_ADDR 0x80
+const SEEOP_EWEN_ADDR 0xC0
+const SEEOP_WRAL_ADDR 0x40
+const SEEOP_EWDS_ADDR 0x00
+
+/*
+ * SCB Counter
+ */
+register SCBCNT {
+ address 0x0BF
+ access_mode RW
+ modes M_SCSI
+}
+
+/*
+ * Data FIFO Write Address
+ * Pointer to the next QWD location to be written to the data FIFO.
+ */
+register DFWADDR {
+ address 0x0C0
+ access_mode RW
+ size 2
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * DSP Filter Control
+ */
+register DSPFLTRCTL {
+ address 0x0C0
+ access_mode RW
+ modes M_CFG
+ field FLTRDISABLE 0x20
+ field EDGESENSE 0x10
+ field DSPFCNTSEL 0x0F
+}
+
+/*
+ * DSP Data Channel Control
+ */
+register DSPDATACTL {
+ address 0x0C1
+ access_mode RW
+ modes M_CFG
+ field BYPASSENAB 0x80
+ field DESQDIS 0x10
+ field RCVROFFSTDIS 0x04
+ field XMITOFFSTDIS 0x02
+}
+
+/*
+ * Data FIFO Read Address
+ * Pointer to the next QWD location to be read from the data FIFO.
+ */
+register DFRADDR {
+ address 0x0C2
+ access_mode RW
+ size 2
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * DSP REQ Control
+ */
+register DSPREQCTL {
+ address 0x0C2
+ access_mode RW
+ modes M_CFG
+ field MANREQCTL 0xC0
+ field MANREQDLY 0x3F
+}
+
+/*
+ * DSP ACK Control
+ */
+register DSPACKCTL {
+ address 0x0C3
+ access_mode RW
+ modes M_CFG
+ field MANACKCTL 0xC0
+ field MANACKDLY 0x3F
+}
+
+/*
+ * Data FIFO Data
+ * Read/Write byte port into the data FIFO. The read and write
+ * FIFO pointers increment with each read and write respectively
+ * to this port.
+ */
+register DFDAT {
+ address 0x0C4
+ access_mode RW
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * DSP Channel Select
+ */
+register DSPSELECT {
+ address 0x0C4
+ access_mode RW
+ modes M_CFG
+ field AUTOINCEN 0x80
+ field DSPSEL 0x1F
+}
+
+const NUMDSPS 0x14
+
+/*
+ * Write Bias Control
+ */
+register WRTBIASCTL {
+ address 0x0C5
+ access_mode WO
+ modes M_CFG
+ field AUTOXBCDIS 0x80
+ field XMITMANVAL 0x3F
+}
+
+/*
+ * Currently the WRTBIASCTL is the same as the default.
+ */
+const WRTBIASCTL_HP_DEFAULT 0x0
+
+/*
+ * Receiver Bias Control
+ */
+register RCVRBIOSCTL {
+ address 0x0C6
+ access_mode WO
+ modes M_CFG
+ field AUTORBCDIS 0x80
+ field RCVRMANVAL 0x3F
+}
+
+/*
+ * Write Bias Calculator
+ */
+register WRTBIASCALC {
+ address 0x0C7
+ access_mode RO
+ modes M_CFG
+}
+
+/*
+ * Data FIFO Pointers
+ * Contains the byte offset from DFWADDR and DWRADDR to the current
+ * FIFO write/read locations.
+ */
+register DFPTRS {
+ address 0x0C8
+ access_mode RW
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Receiver Bias Calculator
+ */
+register RCVRBIASCALC {
+ address 0x0C8
+ access_mode RO
+ modes M_CFG
+}
+
+/*
+ * Data FIFO Backup Read Pointer
+ * Contains the data FIFO address to be restored if the last
+ * data accessed from the data FIFO was not transferred successfully.
+ */
+register DFBKPTR {
+ address 0x0C9
+ access_mode RW
+ size 2
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Skew Calculator
+ */
+register SKEWCALC {
+ address 0x0C9
+ access_mode RO
+ modes M_CFG
+}
+
+/*
+ * Data FIFO Debug Control
+ */
+register DFDBCTL {
+ address 0x0CB
+ access_mode RW
+ modes M_DFF0, M_DFF1
+ field DFF_CIO_WR_RDY 0x20
+ field DFF_CIO_RD_RDY 0x10
+ field DFF_DIR_ERR 0x08
+ field DFF_RAMBIST_FAIL 0x04
+ field DFF_RAMBIST_DONE 0x02
+ field DFF_RAMBIST_EN 0x01
+}
+
+/*
+ * Data FIFO Space Count
+ * Number of FIFO locations that are free.
+ */
+register DFSCNT {
+ address 0x0CC
+ access_mode RO
+ size 2
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Data FIFO Byte Count
+ * Number of filled FIFO locations.
+ */
+register DFBCNT {
+ address 0x0CE
+ access_mode RO
+ size 2
+ modes M_DFF0, M_DFF1
+}
+
+/*
+ * Sequencer Program Overlay Address.
+ * Low address must be written prior to high address.
+ */
+register OVLYADDR {
+ address 0x0D4
+ modes M_SCSI
+ size 2
+ access_mode RW
+}
+
+/*
+ * Sequencer Control 0
+ * Error detection mode, speed configuration,
+ * single step, breakpoints and program load.
+ */
+register SEQCTL0 {
+ address 0x0D6
+ access_mode RW
+ field PERRORDIS 0x80
+ field PAUSEDIS 0x40
+ field FAILDIS 0x20
+ field FASTMODE 0x10
+ field BRKADRINTEN 0x08
+ field STEP 0x04
+ field SEQRESET 0x02
+ field LOADRAM 0x01
+}
+
+/*
+ * Sequencer Control 1
+ * Instruction RAM Diagnostics
+ */
+register SEQCTL1 {
+ address 0x0D7
+ access_mode RW
+ field OVRLAY_DATA_CHK 0x08
+ field RAMBIST_DONE 0x04
+ field RAMBIST_FAIL 0x02
+ field RAMBIST_EN 0x01
+}
+
+/*
+ * Sequencer Flags
+ * Zero and Carry state of the ALU.
+ */
+register FLAGS {
+ address 0x0D8
+ access_mode RO
+ field ZERO 0x02
+ field CARRY 0x01
+}
+
+/*
+ * Sequencer Interrupt Control
+ */
+register SEQINTCTL {
+ address 0x0D9
+ access_mode RW
+ field INTVEC1DSL 0x80
+ field INT1_CONTEXT 0x20
+ field SCS_SEQ_INT1M1 0x10
+ field SCS_SEQ_INT1M0 0x08
+ field INTMASK2 0x04
+ field INTMASK1 0x02
+ field IRET 0x01
+}
+
+/*
+ * Sequencer RAM Data Port
+ * Single byte window into the Sequencer Instruction Ram area starting
+ * at the address specified by OVLYADDR. To write a full instruction word,
+ * simply write four bytes in succession. OVLYADDR will increment after the
+ * most significant instrution byte (the byte with the parity bit) is written.
+ */
+register SEQRAM {
+ address 0x0DA
+ access_mode RW
+}
+
+/*
+ * Sequencer Program Counter
+ * Low byte must be written prior to high byte.
+ */
+register PRGMCNT {
+ address 0x0DE
+ access_mode RW
+ size 2
+}
+
+/*
+ * Accumulator
+ */
+register ACCUM {
+ address 0x0E0
+ access_mode RW
+ accumulator
+}
+
+/*
+ * Source Index Register
+ * Incrementing index for reads of SINDIR and the destination (low byte only)
+ * for any immediate operands passed in jmp, jc, jnc, call instructions.
+ * Example:
+ * mvi 0xFF call some_routine;
+ *
+ * Will set SINDEX[0] to 0xFF and call the routine "some_routine.
+ */
+register SINDEX {
+ address 0x0E2
+ access_mode RW
+ size 2
+ sindex
+}
+
+/*
+ * Destination Index Register
+ * Incrementing index for writes to DINDIR. Can be used as a scratch register.
+ */
+register DINDEX {
+ address 0x0E4
+ access_mode RW
+ size 2
+}
+
+/*
+ * Break Address
+ * Sequencer instruction breakpoint address address.
+ */
+register BRKADDR0 {
+ address 0x0E6
+ access_mode RW
+}
+
+register BRKADDR1 {
+ address 0x0E6
+ access_mode RW
+ field BRKDIS 0x80 /* Disable Breakpoint */
+}
+
+/*
+ * All Ones
+ * All reads to this register return the value 0xFF.
+ */
+register ALLONES {
+ address 0x0E8
+ access_mode RO
+ allones
+}
+
+/*
+ * All Zeros
+ * All reads to this register return the value 0.
+ */
+register ALLZEROS {
+ address 0x0EA
+ access_mode RO
+ allzeros
+}
+
+/*
+ * No Destination
+ * Writes to this register have no effect.
+ */
+register NONE {
+ address 0x0EA
+ access_mode WO
+ none
+}
+
+/*
+ * Source Index Indirect
+ * Reading this register is equivalent to reading (register_base + SINDEX) and
+ * incrementing SINDEX by 1.
+ */
+register SINDIR {
+ address 0x0EC
+ access_mode RO
+}
+
+/*
+ * Destination Index Indirect
+ * Writing this register is equivalent to writing to (register_base + DINDEX)
+ * and incrementing DINDEX by 1.
+ */
+register DINDIR {
+ address 0x0ED
+ access_mode WO
+}
+
+/*
+ * Function One
+ * 2's complement to bit value conversion. Write the 2's complement value
+ * (0-7 only) to the top nibble and retrieve the bit indexed by that value
+ * on the next read of this register.
+ * Example:
+ * Write 0x60
+ * Read 0x40
+ */
+register FUNCTION1 {
+ address 0x0F0
+ access_mode RW
+}
+
+/*
+ * Stack
+ * Window into the stack. Each stack location is 10 bits wide reported
+ * low byte followed by high byte. There are 8 stack locations.
+ */
+register STACK {
+ address 0x0F2
+ access_mode RW
+}
+
+/*
+ * Interrupt Vector 1 Address
+ * Interrupt branch address for SCS SEQ_INT1 mode 0 and 1 interrupts.
+ */
+register INTVEC1_ADDR {
+ address 0x0F4
+ access_mode RW
+ size 2
+ modes M_CFG
+}
+
+/*
+ * Current Address
+ * Address of the SEQRAM instruction currently executing instruction.
+ */
+register CURADDR {
+ address 0x0F4
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+/*
+ * Interrupt Vector 2 Address
+ * Interrupt branch address for HST_SEQ_INT2 interrupts.
+ */
+register INTVEC2_ADDR {
+ address 0x0F6
+ access_mode RW
+ size 2
+ modes M_CFG
+}
+
+/*
+ * Last Address
+ * Address of the SEQRAM instruction executed prior to the current instruction.
+ */
+register LASTADDR {
+ address 0x0F6
+ access_mode RW
+ size 2
+ modes M_SCSI
+}
+
+register AHD_PCI_CONFIG_BASE {
+ address 0x100
+ access_mode RW
+ size 256
+ modes M_CFG
+}
+
+/* ---------------------- Scratch RAM Offsets ------------------------- */
+scratch_ram {
+ /* Mode Specific */
+ address 0x0A0
+ size 8
+ modes 0, 1, 2, 3
+ REG0 {
+ size 2
+ }
+ REG1 {
+ size 2
+ }
+ REG_ISR {
+ size 2
+ }
+ SG_STATE {
+ size 1
+ field SEGS_AVAIL 0x01
+ field LOADING_NEEDED 0x02
+ field FETCH_INPROG 0x04
+ }
+ /*
+ * Track whether the transfer byte count for
+ * the current data phase is odd.
+ */
+ DATA_COUNT_ODD {
+ size 1
+ }
+}
+
+scratch_ram {
+ /* Mode Specific */
+ address 0x0F8
+ size 8
+ modes 0, 1, 2, 3
+ LONGJMP_ADDR {
+ size 2
+ }
+ LONGJMP_SCB {
+ size 2
+ }
+ ACCUM_SAVE {
+ size 1
+ }
+}
+
+
+scratch_ram {
+ address 0x100
+ size 128
+ modes 0, 1, 2, 3
+ /*
+ * Per "other-id" execution queues. We use an array of
+ * tail pointers into lists of SCBs sorted by "other-id".
+ * The execution head pointer threads the head SCBs for
+ * each list.
+ */
+ WAITING_SCB_TAILS {
+ size 32
+ }
+ WAITING_TID_HEAD {
+ size 2
+ }
+ WAITING_TID_TAIL {
+ size 2
+ }
+ /*
+ * SCBID of the next SCB in the new SCB queue.
+ */
+ NEXT_QUEUED_SCB_ADDR {
+ size 4
+ }
+ /*
+ * head of list of SCBs that have
+ * completed but have not been
+ * put into the qoutfifo.
+ */
+ COMPLETE_SCB_HEAD {
+ size 2
+ }
+ /*
+ * The list of completed SCBs in
+ * the active DMA.
+ */
+ COMPLETE_SCB_DMAINPROG_HEAD {
+ size 2
+ }
+ /*
+ * head of list of SCBs that have
+ * completed but need to be uploaded
+ * to the host prior to being completed.
+ */
+ COMPLETE_DMA_SCB_HEAD {
+ size 2
+ }
+ /* Counting semaphore to prevent new select-outs */
+ QFREEZE_COUNT {
+ size 2
+ }
+ /*
+ * Mode to restore on legacy idle loop exit.
+ */
+ SAVED_MODE {
+ size 1
+ }
+ /*
+ * Single byte buffer used to designate the type or message
+ * to send to a target.
+ */
+ MSG_OUT {
+ size 1
+ }
+ /* Parameters for DMA Logic */
+ DMAPARAMS {
+ size 1
+ field PRELOADEN 0x80
+ field WIDEODD 0x40
+ field SCSIEN 0x20
+ field SDMAEN 0x10
+ field SDMAENACK 0x10
+ field HDMAEN 0x08
+ field HDMAENACK 0x08
+ field DIRECTION 0x04 /* Set indicates PCI->SCSI */
+ field FIFOFLUSH 0x02
+ field FIFORESET 0x01
+ }
+ SEQ_FLAGS {
+ size 1
+ field NOT_IDENTIFIED 0x80
+ field NO_CDB_SENT 0x40
+ field TARGET_CMD_IS_TAGGED 0x40
+ field DPHASE 0x20
+ /* Target flags */
+ field TARG_CMD_PENDING 0x10
+ field CMDPHASE_PENDING 0x08
+ field DPHASE_PENDING 0x04
+ field SPHASE_PENDING 0x02
+ field NO_DISCONNECT 0x01
+ }
+ /*
+ * Temporary storage for the
+ * target/channel/lun of a
+ * reconnecting target
+ */
+ SAVED_SCSIID {
+ size 1
+ }
+ SAVED_LUN {
+ size 1
+ }
+ /*
+ * The last bus phase as seen by the sequencer.
+ */
+ LASTPHASE {
+ size 1
+ field CDI 0x80
+ field IOI 0x40
+ field MSGI 0x20
+ field P_BUSFREE 0x01
+ enum PHASE_MASK CDO|IOO|MSGO {
+ P_DATAOUT 0x0,
+ P_DATAIN IOO,
+ P_DATAOUT_DT P_DATAOUT|MSGO,
+ P_DATAIN_DT P_DATAIN|MSGO,
+ P_COMMAND CDO,
+ P_MESGOUT CDO|MSGO,
+ P_STATUS CDO|IOO,
+ P_MESGIN CDO|IOO|MSGO
+ }
+ }
+ /*
+ * Value to "or" into the SCBPTR[1] value to
+ * indicate that an entry in the QINFIFO is valid.
+ */
+ QOUTFIFO_ENTRY_VALID_TAG {
+ size 1
+ }
+ /*
+ * Base address of our shared data with the kernel driver in host
+ * memory. This includes the qoutfifo and target mode
+ * incoming command queue.
+ */
+ SHARED_DATA_ADDR {
+ size 4
+ }
+ /*
+ * Pointer to location in host memory for next
+ * position in the qoutfifo.
+ */
+ QOUTFIFO_NEXT_ADDR {
+ size 4
+ }
+ /*
+ * Kernel and sequencer offsets into the queue of
+ * incoming target mode command descriptors. The
+ * queue is full when the KERNEL_TQINPOS == TQINPOS.
+ */
+ KERNEL_TQINPOS {
+ size 1
+ }
+ TQINPOS {
+ size 1
+ }
+ ARG_1 {
+ size 1
+ mask SEND_MSG 0x80
+ mask SEND_SENSE 0x40
+ mask SEND_REJ 0x20
+ mask MSGOUT_PHASEMIS 0x10
+ mask EXIT_MSG_LOOP 0x08
+ mask CONT_MSG_LOOP_WRITE 0x04
+ mask CONT_MSG_LOOP_READ 0x03
+ mask CONT_MSG_LOOP_TARG 0x02
+ alias RETURN_1
+ }
+ ARG_2 {
+ size 1
+ alias RETURN_2
+ }
+
+ /*
+ * Snapshot of MSG_OUT taken after each message is sent.
+ */
+ LAST_MSG {
+ size 1
+ }
+
+ /*
+ * Sequences the kernel driver has okayed for us. This allows
+ * the driver to do things like prevent initiator or target
+ * operations.
+ */
+ SCSISEQ_TEMPLATE {
+ size 1
+ field MANUALCTL 0x40
+ field ENSELI 0x20
+ field ENRSELI 0x10
+ field MANUALP 0x0C
+ field ENAUTOATNP 0x02
+ field ALTSTIM 0x01
+ }
+
+ /*
+ * The initiator specified tag for this target mode transaction.
+ */
+ INITIATOR_TAG {
+ size 1
+ }
+
+ SEQ_FLAGS2 {
+ size 1
+ field TARGET_MSG_PENDING 0x02
+ field SELECTOUT_QFROZEN 0x04
+ }
+
+ ALLOCFIFO_SCBPTR {
+ size 2
+ }
+
+ /*
+ * The maximum amount of time to wait, when interrupt coalessing
+ * is enabled, before issueing a CMDCMPLT interrupt for a completed
+ * command.
+ */
+ INT_COALESSING_TIMER {
+ size 2
+ }
+
+ /*
+ * The maximum number of commands to coaless into a single interrupt.
+ * Actually the 2's complement of that value to simplify sequencer
+ * code.
+ */
+ INT_COALESSING_MAXCMDS {
+ size 1
+ }
+
+ /*
+ * The minimum number of commands still outstanding required
+ * to continue coalessing (2's compliment of value).
+ */
+ INT_COALESSING_MINCMDS {
+ size 1
+ }
+
+ /*
+ * Number of commands "in-flight".
+ */
+ CMDS_PENDING {
+ size 2
+ }
+
+ /*
+ * The count of commands that have been coalessed.
+ */
+ INT_COALESSING_CMDCOUNT {
+ size 1
+ }
+
+ /*
+ * Since the HS_MAIBOX is self clearing, copy its contents to
+ * this position in scratch ram every time it changes.
+ */
+ LOCAL_HS_MAILBOX {
+ size 1
+ }
+ /*
+ * Target-mode CDB type to CDB length table used
+ * in non-packetized operation.
+ */
+ CMDSIZE_TABLE {
+ size 8
+ }
+}
+
+/************************* Hardware SCB Definition ****************************/
+scb {
+ address 0x180
+ size 64
+ modes 0, 1, 2, 3
+ SCB_RESIDUAL_DATACNT {
+ size 4
+ alias SCB_CDB_STORE
+ }
+ SCB_RESIDUAL_SGPTR {
+ size 4
+ alias SCB_CDB_PTR
+ field SG_ADDR_MASK 0xf8 /* In the last byte */
+ field SG_OVERRUN_RESID 0x02 /* In the first byte */
+ field SG_LIST_NULL 0x01 /* In the first byte */
+ }
+ SCB_SCSI_STATUS {
+ size 1
+ }
+ SCB_TARGET_PHASES {
+ size 1
+ }
+ SCB_TARGET_DATA_DIR {
+ size 1
+ }
+ SCB_TARGET_ITAG {
+ size 1
+ }
+ SCB_SENSE_BUSADDR {
+ /*
+ * Only valid if CDB length is less than 13 bytes or
+ * we are using a CDB pointer. Otherwise contains
+ * the last 4 bytes of embedded cdb information.
+ */
+ size 4
+ alias SCB_NEXT_COMPLETE
+ }
+ SCB_TAG {
+ size 2
+ }
+ SCB_CDB_LEN {
+ size 1
+ field SCB_CDB_LEN_PTR 0x80 /* CDB in host memory */
+ }
+ SCB_TASK_MANAGEMENT {
+ size 1
+ }
+ SCB_NEXT {
+ alias SCB_NEXT_SCB_BUSADDR
+ size 2
+ }
+ SCB_NEXT2 {
+ size 2
+ }
+ SCB_DATAPTR {
+ size 8
+ }
+ SCB_DATACNT {
+ /*
+ * The last byte is really the high address bits for
+ * the data address.
+ */
+ size 4
+ field SG_LAST_SEG 0x80 /* In the fourth byte */
+ field SG_HIGH_ADDR_BITS 0x7F /* In the fourth byte */
+ }
+ SCB_SGPTR {
+ size 4
+ field SG_STATUS_VALID 0x04 /* In the first byte */
+ field SG_FULL_RESID 0x02 /* In the first byte */
+ field SG_LIST_NULL 0x01 /* In the first byte */
+ }
+ SCB_CONTROL {
+ size 1
+ field TARGET_SCB 0x80
+ field DISCENB 0x40
+ field TAG_ENB 0x20
+ field MK_MESSAGE 0x10
+ field STATUS_RCVD 0x08
+ field DISCONNECTED 0x04
+ field SCB_TAG_TYPE 0x03
+ }
+ SCB_SCSIID {
+ size 1
+ field TID 0xF0
+ field OID 0x0F
+ }
+ SCB_LUN {
+ size 1
+ field LID 0xff
+ }
+ SCB_TASK_ATTRIBUTE {
+ size 1
+ }
+ SCB_BUSADDR {
+ size 4
+ }
+ SCB_SPARE {
+ size 8
+ alias SCB_PKT_LUN
+ }
+ SCB_DISCONNECTED_LISTS {
+ size 8
+ }
+}
+
+/*********************************** Constants ********************************/
+const MK_MESSAGE_BIT_OFFSET 4
+const TID_SHIFT 4
+const TARGET_CMD_CMPLT 0xfe
+const INVALID_ADDR 0x80
+#define SCB_LIST_NULL 0xff
+#define QOUTFIFO_ENTRY_VALID_TOGGLE 0x80
+
+const CCSGADDR_MAX 0x80
+const CCSCBADDR_MAX 0x80
+const CCSGRAM_MAXSEGS 16
+
+/* Selection Timeout Timer Constants */
+const STIMESEL_SHIFT 3
+const STIMESEL_MIN 0x18
+const STIMESEL_BUG_ADJ 0x8
+
+/* WDTR Message values */
+const BUS_8_BIT 0x00
+const BUS_16_BIT 0x01
+const BUS_32_BIT 0x02
+
+/* Offset maximums */
+const MAX_OFFSET 0xfe
+const MAX_OFFSET_PACED 0xfe
+const MAX_OFFSET_PACED_BUG 0x7f
+/*
+ * Some 160 devices incorrectly accept 0xfe as a
+ * sync offset, but will overrun this value. Limit
+ * to 0x7f for speed lower than U320 which will
+ * avoid the persistent sync offset overruns.
+ */
+const MAX_OFFSET_NON_PACED 0x7f
+const HOST_MSG 0xff
+
+/*
+ * The size of our sense buffers.
+ * Sense buffer mapping can be handled in either of two ways.
+ * The first is to allocate a dmamap for each transaction.
+ * Depending on the architecture, dmamaps can be costly. The
+ * alternative is to statically map the buffers in much the same
+ * way we handle our scatter gather lists. The driver implements
+ * the later.
+ */
+const AHD_SENSE_BUFSIZE 256
+
+/* Target mode command processing constants */
+const CMD_GROUP_CODE_SHIFT 0x05
+
+const STATUS_BUSY 0x08
+const STATUS_QUEUE_FULL 0x28
+const STATUS_PKT_SENSE 0xFF
+const TARGET_DATA_IN 1
+
+const SCB_TRANSFER_SIZE_FULL_LUN 56
+const SCB_TRANSFER_SIZE_1BYTE_LUN 48
+/* PKT_OVERRUN_BUFSIZE must be a multiple of 256 less than 64K */
+const PKT_OVERRUN_BUFSIZE 512
+
+/*
+ * Timer parameters.
+ */
+const AHD_TIMER_US_PER_TICK 25
+const AHD_TIMER_MAX_TICKS 0xFFFF
+const AHD_TIMER_MAX_US (AHD_TIMER_MAX_TICKS * AHD_TIMER_US_PER_TICK)
+
+/*
+ * Downloaded (kernel inserted) constants
+ */
+const SG_PREFETCH_CNT download
+const SG_PREFETCH_CNT_LIMIT download
+const SG_PREFETCH_ALIGN_MASK download
+const SG_PREFETCH_ADDR_MASK download
+const SG_SIZEOF download
+const PKT_OVERRUN_BUFOFFSET download
+const SCB_TRANSFER_SIZE download
+
+/*
+ * BIOS SCB offsets
+ */
+const NVRAM_SCB_OFFSET 0x2C
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)