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freebsd-dev/sys/dev/aic7xxx/aic79xx.reg
Justin T. Gibbs 17d2475554 Enter the ahd driver which supports the Adaptec AIC7902 Ultra320, PCI-X 
SCSI Controller chip.
2002-06-05 19:52:45 +00:00

3717 lines
59 KiB
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/*
* Aic79xx register and scratch ram definitions.
*
* Copyright (c) 1994-2001 Justin T. Gibbs.
* Copyright (c) 2000-2001 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#34 $"
/*
* 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; \
mvi MK_MODE(src, dst) call set_mode_work_around
/*
* 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
mask DST_MODE 0x70
mask 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
bit HWERRINT 0x80
bit BRKADRINT 0x40
bit SWTMINT 0x20
bit PCIINT 0x10
bit SCSIINT 0x08
bit SEQINT 0x04
bit CMDCMPLT 0x02
bit SPLTINT 0x01
mask INT_PEND 0xFF
}
/*
* Sequencer Interrupt Code
*/
register SEQINTCODE {
address 0x002
access_mode RW
mask BAD_PHASE 1 /* unknown scsi bus phase */
mask SEND_REJECT 2 /* sending a message reject */
mask PROTO_VIOLATION 3 /* Protocol Violation */
mask NO_MATCH 4 /* no cmd match for reconnect */
mask IGN_WIDE_RES 5 /* Complex IGN Wide Res Msg */
mask PDATA_REINIT 6 /*
* Returned to data phase
* that requires data
* transfer pointers to be
* recalculated from the
* transfer residual.
*/
mask HOST_MSG_LOOP 7 /*
* 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.
*/
mask BAD_STATUS 8 /* Bad status from target */
mask DATA_OVERRUN 9 /*
* Target attempted to write
* beyond the bounds of its
* command.
*/
mask MKMSG_FAILED 10 /*
* Target completed command
* without honoring our ATN
* request to issue a message.
*/
mask MISSED_BUSFREE 11 /*
* The sequencer never saw
* the bus go free after
* either a command complete
* or disconnect message.
*/
mask SCB_MISMATCH 12 /*
* Downloaded SCB's tag does
* not match the entry we
* intended to download.
*/
mask NO_FREE_SCB 13 /*
* get_free_or_disc_scb failed.
*/
mask OUT_OF_RANGE 14
mask NO_FREE_FIFO 15
mask DUMP_CARD_STATE 16
mask ILLEGAL_PHASE 17
mask INVALID_SEQINT 18
mask CFG4ISTAT_INTR 19
mask STATUS_OVERRUN 20
mask CFG4OVERRUN 21
mask SNAPSHOTCLRCHN 22
mask MONITORDRAIN 23
mask ENTERING_NONPACK 24
mask PCIX_ARBITOR_WW 25
}
/*
* Clear Host Interrupt
*/
register CLRINT {
address 0x003
access_mode WO
bit CLRBRKADRINT 0x40
bit CLRSWTMINT 0x20
bit CLRSCSIINT 0x08
bit CLRSEQINT 0x04
bit CLRCMDINT 0x02
bit CLRSPLTINT 0x01
}
/*
* Error Register
*/
register ERROR {
address 0x004
access_mode RO
bit CIOPARERR 0x80
bit MPARERR 0x20
bit DPARERR 0x10
bit SQPARERR 0x08
bit ILLOPCODE 0x04
bit DSCTMOUT 0x02
}
/*
* Clear Error
*/
register CLRERR {
address 0x004
access_mode WO
bit CLRCIOPARERR 0x80
bit CLRMPARERR 0x20
bit CLRDPARERR 0x10
bit CLRSQPARERR 0x08
bit CLRILLOPCODE 0x04
bit CLRDSCTMOUT 0x02
}
/*
* Host Control Register
* Overall host control of the device.
*/
register HCNTRL {
address 0x005
access_mode RW
bit POWRDN 0x40
bit SWINT 0x10
bit HCNTRL3 0x08
bit PAUSE 0x04
bit INTEN 0x02
bit CHIPRST 0x01
bit 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 0x0B
access_mode RW
mask HOST_TQINPOS 0x80 /* Boundary at either 0 or 128 */
}
/*
* Sequencer Interupt Status
*/
register SEQINTSTAT {
address 0x0C
access_mode RO
bit SEQ_SWTMRTO 0x10
bit SEQ_SEQINT 0x08
bit SEQ_SCSIINT 0x04
bit SEQ_PCIINT 0x02
bit SEQ_SPLTINT 0x01
}
/*
* Clear SEQ Interrupt
*/
register CLRSEQINTSTAT {
address 0x0C0
access_mode WO
bit CLRSEQ_SWTMRTO 0x10
bit CLRSEQ_SEQINT 0x08
bit CLRSEQ_SCSIINT 0x04
bit CLRSEQ_PCIINT 0x02
bit CLRSEQ_SPLTINT 0x01
}
/*
* Software Timer
*/
register SWTIMER {
address 0x0E0
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
bit EMPTY_SCB_AVAIL 0x80
bit NEW_SCB_AVAIL 0x40
bit SDSCB_ROLLOVR 0x20
bit HS_MAILBOX_ACT 0x10
mask SCB_QSIZE 0x0F
mask SCB_QSIZE_4 0x00
mask SCB_QSIZE_8 0x01
mask SCB_QSIZE_16 0x02
mask SCB_QSIZE_32 0x03
mask SCB_QSIZE_64 0x04
mask SCB_QSIZE_128 0x05
mask SCB_QSIZE_256 0x06
mask SCB_QSIZE_512 0x07
mask SCB_QSIZE_1024 0x08
mask SCB_QSIZE_2048 0x09
mask SCB_QSIZE_4096 0x0A
mask SCB_QSIZE_8192 0x0B
mask SCB_QSIZE_16384 0x0C
}
/*
* Interrupt Control
*/
register INTCTL {
address 0x018
access_mode RW
bit SWTMINTMASK 0x80
bit SWTMINTEN 0x40
bit SWTIMER_START 0x20
bit AUTOCLRCMDINT 0x10
bit PCIINTEN 0x08
bit SCSIINTEN 0x04
bit SEQINTEN 0x02
bit SPLTINTEN 0x01
}
/*
* Data FIFO Control
*/
register DFCNTRL {
address 0x019
access_mode RW
modes M_DFF0, M_DFF1
bit PRELOADEN 0x80
bit SCSIEN 0x20
bit SCSIENACK 0x20
bit HDMAEN 0x08
bit HDMAENACK 0x08
bit DIRECTION 0x04
bit DIRECTIONACK 0x04
bit FIFOFLUSH 0x02
bit FIFOFLUSHACK 0x02
bit DIRECTIONEN 0x01
}
/*
* Device Space Command 0
*/
register DSCOMMAND0 {
address 0x019
access_mode RW
modes M_CFG
bit CACHETHEN 0x80 /* Cache Threshold enable */
bit DPARCKEN 0x40 /* Data Parity Check Enable */
bit MPARCKEN 0x20 /* Memory Parity Check Enable */
bit EXTREQLCK 0x10 /* External Request Lock */
bit CIOPARCKEN 0x01 /* Internal bus parity error enable */
}
/*
* Data FIFO Status
*/
register DFSTATUS {
address 0x01A
access_mode RO
modes M_DFF0, M_DFF1
bit PRELOAD_AVAIL 0x80
bit PKT_PRELOAD_AVAIL 0x40
bit MREQPEND 0x10
bit HDONE 0x08
bit DFTHRESH 0x04
bit FIFOFULL 0x02
bit FIFOEMP 0x01
}
/*
* S/G Cache Pointer
*/
register SG_CACHE_PRE {
address 0x01B
access_mode WO
modes M_DFF0, M_DFF1
mask SG_ADDR_MASK 0xf8
bit ODD_SEG 0x04
bit LAST_SEG 0x02
}
register SG_CACHE_SHADOW {
address 0x01B
access_mode RO
modes M_DFF0, M_DFF1
mask SG_ADDR_MASK 0xf8
bit ODD_SEG 0x04
bit LAST_SEG 0x02
bit LAST_SEG_DONE 0x01
}
/*
* Arbiter Control
*/
register ARBCTL {
address 0x01B
access_mode RW
modes M_CFG
bit RESET_HARB 0x80
bit RETRY_SWEN 0x08
mask 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
}
/*
* 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
mask WR_DFTHRSH 0x70
mask RD_DFTHRSH 0x07
mask RD_DFTHRSH_MIN 0x00
mask RD_DFTHRSH_25 0x01
mask RD_DFTHRSH_50 0x02
mask RD_DFTHRSH_63 0x03
mask RD_DFTHRSH_75 0x04
mask RD_DFTHRSH_85 0x05
mask RD_DFTHRSH_90 0x06
mask RD_DFTHRSH_MAX 0x07
mask WR_DFTHRSH_MIN 0x00
mask WR_DFTHRSH_25 0x10
mask WR_DFTHRSH_50 0x20
mask WR_DFTHRSH_63 0x30
mask WR_DFTHRSH_75 0x40
mask WR_DFTHRSH_85 0x50
mask WR_DFTHRSH_90 0x60
mask WR_DFTHRSH_MAX 0x70
}
/*
* ROM Address
*/
register ROMADDR {
address 0x08A
access_mode RW
size 3
}
/*
* ROM Control
*/
register ROMCNTRL {
address 0x08D
access_mode RW
mask ROMOP 0xE0
mask ROMSPD 0x18
bit REPEAT 0x02
bit 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
mask CDNUM 0xF8
mask CFNUM 0x07
}
/*
* CMC Recieve Message 0
*/
register CMCRXMSG0 {
address 0x090
access_mode RO
modes M_CCHAN
mask CDNUM 0xF8
mask CFNUM 0x07
}
/*
* Overlay Recieve Message 0
*/
register OVLYRXMSG0 {
address 0x090
access_mode RO
modes M_SCSI
mask CDNUM 0xF8
mask CFNUM 0x07
}
/*
* Relaxed Order Enable
*/
register ROENABLE {
address 0x090
access_mode RW
modes M_CFG
bit MSIROEN 0x20
bit OVLYROEN 0x10
bit CMCROEN 0x08
bit SGROEN 0x04
bit DCH1ROEN 0x02
bit DCH0ROEN 0x01
}
/*
* Data Channel Receive Message 1
*/
register DCHRXMSG1 {
address 0x091
access_mode RO
modes M_DFF0, M_DFF1
mask CBNUM 0xFF
}
/*
* CMC Recieve Message 1
*/
register CMCRXMSG1 {
address 0x091
access_mode RO
modes M_CCHAN
mask CBNUM 0xFF
}
/*
* Overlay Recieve Message 1
*/
register OVLYRXMSG1 {
address 0x091
access_mode RO
modes M_SCSI
mask CBNUM 0xFF
}
/*
* No Snoop Enable
*/
register NSENABLE {
address 0x091
access_mode RW
modes M_CFG
bit MSINSEN 0x20
bit OVLYNSEN 0x10
bit CMCNSEN 0x08
bit SGNSEN 0x04
bit DCH1NSEN 0x02
bit DCH0NSEN 0x01
}
/*
* Data Channel Receive Message 2
*/
register DCHRXMSG2 {
address 0x092
access_mode RO
modes M_DFF0, M_DFF1
mask MINDEX 0xFF
}
/*
* CMC Recieve Message 2
*/
register CMCRXMSG2 {
address 0x092
access_mode RO
modes M_CCHAN
mask MINDEX 0xFF
}
/*
* Overlay Recieve Message 2
*/
register OVLYRXMSG2 {
address 0x092
access_mode RO
modes M_SCSI
mask 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
mask MCLASS 0x0F
}
/*
* CMC Recieve Message 3
*/
register CMCRXMSG3 {
address 0x093
access_mode RO
modes M_CCHAN
mask MCLASS 0x0F
}
/*
* Overlay Recieve Message 3
*/
register OVLYRXMSG3 {
address 0x093
access_mode RO
modes M_SCSI
mask MCLASS 0x0F
}
/*
* PCI-X Control
*/
register PCIXCTL {
address 0x093
access_mode RW
modes M_CFG
bit SERRPULSE 0x80
bit UNEXPSCIEN 0x20
bit SPLTSMADIS 0x10
bit SPLTSTADIS 0x08
bit SRSPDPEEN 0x04
bit TSCSERREN 0x02
bit 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
bit STAETERM 0x80
bit SCBCERR 0x40
bit SCADERR 0x20
bit SCDATBUCKET 0x10
bit CNTNOTCMPLT 0x08
bit RXOVRUN 0x04
bit RXSCEMSG 0x02
bit RXSPLTRSP 0x01
}
/*
* CMC Split Status 0
*/
register CMCSPLTSTAT0 {
address 0x096
access_mode RW
modes M_CCHAN
bit STAETERM 0x80
bit SCBCERR 0x40
bit SCADERR 0x20
bit SCDATBUCKET 0x10
bit CNTNOTCMPLT 0x08
bit RXOVRUN 0x04
bit RXSCEMSG 0x02
bit RXSPLTRSP 0x01
}
/*
* Overlay Split Status 0
*/
register OVLYSPLTSTAT0 {
address 0x096
access_mode RW
modes M_SCSI
bit STAETERM 0x80
bit SCBCERR 0x40
bit SCADERR 0x20
bit SCDATBUCKET 0x10
bit CNTNOTCMPLT 0x08
bit RXOVRUN 0x04
bit RXSCEMSG 0x02
bit RXSPLTRSP 0x01
}
/*
* Data Channel Split Status 1
*/
register DCHSPLTSTAT1 {
address 0x097
access_mode RW
modes M_DFF0, M_DFF1
bit RXDATABUCKET 0x01
}
/*
* CMC Split Status 1
*/
register CMCSPLTSTAT1 {
address 0x097
access_mode RW
modes M_CCHAN
bit RXDATABUCKET 0x01
}
/*
* Overlay Split Status 1
*/
register OVLYSPLTSTAT1 {
address 0x097
access_mode RW
modes M_SCSI
bit RXDATABUCKET 0x01
}
/*
* S/G Receive Message 0
*/
register SGRXMSG0 {
address 0x098
access_mode RO
modes M_DFF0, M_DFF1
mask CDNUM 0xF8
mask CFNUM 0x07
}
/*
* S/G Receive Message 1
*/
register SGRXMSG1 {
address 0x099
access_mode RO
modes M_DFF0, M_DFF1
mask CBNUM 0xFF
}
/*
* S/G Receive Message 2
*/
register SGRXMSG2 {
address 0x09A
access_mode RO
modes M_DFF0, M_DFF1
mask MINDEX 0xFF
}
/*
* S/G Receive Message 3
*/
register SGRXMSG3 {
address 0x09B
access_mode RO
modes M_DFF0, M_DFF1
mask MCLASS 0x0F
}
/*
* Slave Split Out Address 0
*/
register SLVSPLTOUTADR0 {
address 0x098
access_mode RO
modes M_SCSI
mask LOWER_ADDR 0x7F
}
/*
* Slave Split Out Address 1
*/
register SLVSPLTOUTADR1 {
address 0x099
access_mode RO
modes M_SCSI
mask REQ_DNUM 0xF8
mask REQ_FNUM 0x07
}
/*
* Slave Split Out Address 2
*/
register SLVSPLTOUTADR2 {
address 0x09A
access_mode RO
modes M_SCSI
mask REQ_BNUM 0xFF
}
/*
* Slave Split Out Address 3
*/
register SLVSPLTOUTADR3 {
address 0x09B
access_mode RO
modes M_SCSI
bit RLXORD 020
mask 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
mask LOWER_BCNT 0xFF
}
/*
* Slave Split Out Attribute 1
*/
register SLVSPLTOUTATTR1 {
address 0x09D
access_mode RO
modes M_SCSI
mask CMPLT_DNUM 0xF8
mask CMPLT_FNUM 0x07
}
/*
* Slave Split Out Attribute 2
*/
register SLVSPLTOUTATTR2 {
address 0x09E
access_mode RO
size 2
modes M_SCSI
mask CMPLT_BNUM 0xFF
}
/*
* S/G Split Status 0
*/
register SGSPLTSTAT0 {
address 0x09E
access_mode RW
modes M_DFF0, M_DFF1
bit STAETERM 0x80
bit SCBCERR 0x40
bit SCADERR 0x20
bit SCDATBUCKET 0x10
bit CNTNOTCMPLT 0x08
bit RXOVRUN 0x04
bit RXSCEMSG 0x02
bit RXSPLTRSP 0x01
}
/*
* S/G Split Status 1
*/
register SGSPLTSTAT1 {
address 0x09F
access_mode RW
modes M_DFF0, M_DFF1
bit RXDATABUCKET 0x01
}
/*
* Special Function
*/
register SFUNCT {
address 0x09f
access_mode RW
modes M_CFG
mask TEST_GROUP 0xF0
mask TEST_NUM 0x0F
}
/*
* Data FIFO 0 PCI Status
*/
register DF0PCISTAT {
address 0x0A0
access_mode RW
modes M_CFG
bit DPE 0x80
bit SSE 0x40
bit RMA 0x20
bit RTA 0x10
bit SCAAPERR 0x08
bit RDPERR 0x04
bit TWATERR 0x02
bit DPR 0x01
}
/*
* Data FIFO 1 PCI Status
*/
register DF1PCISTAT {
address 0x0A1
access_mode RW
modes M_CFG
bit DPE 0x80
bit SSE 0x40
bit RMA 0x20
bit RTA 0x10
bit SCAAPERR 0x08
bit RDPERR 0x04
bit TWATERR 0x02
bit DPR 0x01
}
/*
* S/G PCI Status
*/
register SGPCISTAT {
address 0x0A2
access_mode RW
modes M_CFG
bit DPE 0x80
bit SSE 0x40
bit RMA 0x20
bit RTA 0x10
bit SCAAPERR 0x08
bit RDPERR 0x04
bit DPR 0x01
}
/*
* CMC PCI Status
*/
register CMCPCISTAT {
address 0x0A3
access_mode RW
modes M_CFG
bit DPE 0x80
bit SSE 0x40
bit RMA 0x20
bit RTA 0x10
bit SCAAPERR 0x08
bit RDPERR 0x04
bit TWATERR 0x02
bit DPR 0x01
}
/*
* Overlay PCI Status
*/
register OVLYPCISTAT {
address 0x0A4
access_mode RW
modes M_CFG
bit DPE 0x80
bit SSE 0x40
bit RMA 0x20
bit RTA 0x10
bit SCAAPERR 0x08
bit RDPERR 0x04
bit DPR 0x01
}
/*
* PCI Status for MSI Master DMA Transfer
*/
register MSIPCISTAT {
address 0x0A6
access_mode RW
modes M_CFG
bit SSE 0x40
bit RMA 0x20
bit RTA 0x10
bit CLRPENDMSI 0x08
bit TWATERR 0x02
bit DPR 0x01
}
/*
* PCI Status for Target
*/
register TARGPCISTAT {
address 0x0A6
access_mode RW
modes M_CFG
bit DPE 0x80
bit SSE 0x40
bit STA 0x08
bit 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
}
/*
* 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
mask LQITARGCLT 0xC0
mask LQIINITGCLT 0x30
mask LQ0TARGCLT 0x0C
mask LQ0INITGCLT 0x03
}
/*
* LQ Manager Control 1
*/
register LQCTL1 {
address 0x038
access_mode RW
modes M_DFF0, M_DFF1, M_SCSI
bit PCI2PCI 0x04
bit SINGLECMD 0x02
bit ABORTPENDING 0x01
}
/*
* LQ Manager Control 2
*/
register LQCTL2 {
address 0x039
access_mode RW
modes M_DFF0, M_DFF1, M_SCSI
bit LQIRETRY 0x80
bit LQICONTINUE 0x40
bit LQITOIDLE 0x20
bit LQIPAUSE 0x10
bit LQORETRY 0x08
bit LQOCONTINUE 0x04
bit LQOTOIDLE 0x02
bit LQOPAUSE 0x01
}
/*
* SCSI RAM BIST0
*/
register SCSBIST0 {
address 0x039
access_mode RW
modes M_CFG
bit GSBISTERR 0x40
bit GSBISTDONE 0x20
bit GSBISTRUN 0x10
bit OSBISTERR 0x04
bit OSBISTDONE 0x02
bit OSBISTRUN 0x01
}
/*
* SCSI Sequence Control0
*/
register SCSISEQ0 {
address 0x03A
access_mode RW
modes M_DFF0, M_DFF1, M_SCSI
bit TEMODEO 0x80
bit ENSELO 0x40
bit ENARBO 0x20
bit FORCEBUSFREE 0x10
bit SCSIRSTO 0x01
}
/*
* SCSI RAM BIST 1
*/
register SCSBIST1 {
address 0x03A
access_mode RW
modes M_CFG
bit NTBISTERR 0x04
bit NTBISTDONE 0x02
bit NTBISTRUN 0x01
}
/*
* SCSI Sequence Control 1
*/
register SCSISEQ1 {
address 0x03B
access_mode RW
modes M_DFF0, M_DFF1, M_SCSI
bit MANUALCTL 0x40
bit ENSELI 0x20
bit ENRSELI 0x10
mask MANUALP 0x0C
bit ENAUTOATNP 0x02
bit ALTSTIM 0x01
}
/*
* SCSI Transfer Control 0
*/
register SXFRCTL0 {
address 0x03C
access_mode RW
modes M_SCSI
bit DFON 0x80
bit DFPEXP 0x40
bit BIOSCANCELEN 0x10
bit SPIOEN 0x08
}
/*
* SCSI Transfer Control 1
*/
register SXFRCTL1 {
address 0x03D
access_mode RW
modes M_SCSI
bit BITBUCKET 0x80
bit ENSACHK 0x40
bit ENSPCHK 0x20
mask STIMESEL 0x18
bit ENSTIMER 0x04
bit ACTNEGEN 0x02
bit STPWEN 0x01
}
/*
* SCSI Transfer Control 2
*/
register SXFRCTL2 {
address 0x03E
access_mode RW
modes M_SCSI
bit AUTORSTDIS 0x10
bit CMDDMAEN 0x08
mask 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
bit FIFO1FREE 0x20
bit FIFO0FREE 0x10
bit CURRFIFO 0x01
}
/*
* 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
bit CDO 0x80
bit IOO 0x40
bit MSGO 0x20
bit ATNO 0x10
bit SELO 0x08
bit BSYO 0x04
bit REQO 0x02
bit ACKO 0x01
/*
* Possible phases to write into SCSISIG0
*/
mask PHASE_MASK CDO|IOO|MSGO
mask P_DATAOUT 0x00
mask P_DATAIN IOO
mask P_DATAOUT_DT P_DATAOUT|MSGO
mask P_DATAIN_DT P_DATAIN|MSGO
mask P_COMMAND CDO
mask P_MESGOUT CDO|MSGO
mask P_STATUS CDO|IOO
mask P_MESGIN CDO|IOO|MSGO
}
register SCSISIGI {
address 0x041
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
bit CDI 0x80
bit IOI 0x40
bit MSGI 0x20
bit ATNI 0x10
bit SELI 0x08
bit BSYI 0x04
bit REQI 0x02
bit ACKI 0x01
/*
* Possible phases in SCSISIGI
*/
mask PHASE_MASK CDI|IOI|MSGI
mask P_DATAOUT 0x00
mask P_DATAIN IOI
mask P_DATAOUT_DT P_DATAOUT|MSGI
mask P_DATAIN_DT P_DATAIN|MSGI
mask P_COMMAND CDI
mask P_MESGOUT CDI|MSGI
mask P_STATUS CDI|IOI
mask P_MESGIN CDI|IOI|MSGI
}
/*
* 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
bit STATUS_PHASE 0x20
bit COMMAND_PHASE 0x10
bit MSG_IN_PHASE 0x08
bit MSG_OUT_PHASE 0x04
bit DATA_IN_PHASE 0x02
bit DATA_OUT_PHASE 0x01
mask DATA_PHASE_MASK 0x03
}
/*
* 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
bit CLKOUT 0x80
mask 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
mask SELID_MASK 0xf0
bit 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
bit DIAGLEDEN 0x80
bit DIAGLEDON 0x40
bit ENAB40 0x08 /* LVD transceiver active */
bit ENAB20 0x04 /* SE/HVD transceiver active */
bit SELWIDE 0x02
}
/*
* Option Mode
*/
register OPTIONMODE {
address 0x04A
access_mode RW
modes M_CFG
bit BIOSCANCTL 0x80
bit AUTOACKEN 0x40
bit BIASCANCTL 0x20
bit BUSFREEREV 0x10
bit ENDGFORMCHK 0x04
bit 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
bit TARGET 0x80 /* Board acting as target */
bit SELDO 0x40 /* Selection Done */
bit SELDI 0x20 /* Board has been selected */
bit SELINGO 0x10 /* Selection In Progress */
bit IOERR 0x08 /* LVD Tranceiver mode changed */
bit OVERRUN 0x04 /* SCSI Offset overrun detected */
bit SPIORDY 0x02 /* SCSI PIO Ready */
bit 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
bit CLRSELDO 0x40
bit CLRSELDI 0x20
bit CLRSELINGO 0x10
bit CLRIOERR 0x08
bit CLROVERRUN 0x04
bit CLRSPIORDY 0x02
bit 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
bit ENSELDO 0x40
bit ENSELDI 0x20
bit ENSELINGO 0x10
bit ENIOERR 0x08
bit ENOVERRUN 0x04
bit ENSPIORDY 0x02
bit ENARBDO 0x01
}
/*
* SCSI Status 1
*/
register SSTAT1 {
address 0x04C
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
bit SELTO 0x80
bit ATNTARG 0x40
bit SCSIRSTI 0x20
bit PHASEMIS 0x10
bit BUSFREE 0x08
bit SCSIPERR 0x04
bit STRB2FAST 0x02
bit 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
bit CLRSELTIMEO 0x80
bit CLRATNO 0x40
bit CLRSCSIRSTI 0x20
bit CLRBUSFREE 0x08
bit CLRSCSIPERR 0x04
bit CLRSTRB2FAST 0x02
bit CLRREQINIT 0x01
}
/*
* SCSI Status 2
*/
register SSTAT2 {
address 0x04d
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
mask BUSFREETIME 0xc0
mask BUSFREE_LQO 0x40
mask BUSFREE_DFF0 0x80
mask BUSFREE_DFF1 0xC0
bit NONPACKREQ 0x20
bit EXP_ACTIVE 0x10 /* SCSI Expander Active */
bit BSYX 0x08 /* Busy Expander */
bit WIDE_RES 0x04 /* Modes 0 and 1 only */
bit SDONE 0x02 /* Modes 0 and 1 only */
bit 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
bit CLRNONPACKREQ 0x20
bit CLRWIDE_RES 0x04 /* Modes 0 and 1 only */
bit CLRSDONE 0x02 /* Modes 0 and 1 only */
bit CLRDMADONE 0x01 /* Modes 0 and 1 only */
}
/*
* SCSI Interrupt Mode 2
*/
register SIMODE2 {
address 0x04D
access_mode RW
modes M_CFG
bit ENWIDE_RES 0x04
bit ENSDONE 0x02
bit ENDMADONE 0x01
}
/*
* Physical Error Diagnosis
*/
register PERRDIAG {
address 0x04E
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
bit HIZERO 0x80
bit HIPERR 0x40
bit PREVPHASE 0x20
bit PARITYERR 0x10
bit AIPERR 0x08
bit CRCERR 0x04
bit DGFORMERR 0x02
bit 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
bit LQIATNQAS 0x20
bit LQICRCT1 0x10
bit LQICRCT2 0x08
bit LQIBADLQT 0x04
bit LQIATNLQ 0x02
bit LQIATNCMD 0x01
}
/*
* Clear LQI Interrupts 0
*/
register CLRLQIINTO {
address 0x050
access_mode WO
modes M_DFF0, M_DFF1, M_SCSI
bit CLRLQIATNQAS 0x20
bit CLRLQICRCT1 0x10
bit CLRLQICRCT2 0x08
bit CLRLQIBADLQT 0x04
bit CLRLQIATNLQ 0x02
bit CLRLQIATNCMD 0x01
}
/*
* LQI Manager Interrupt Mode 0
*/
register LQIMODE0 {
address 0x050
access_mode RW
modes M_CFG
bit ENLQIATNQASK 0x20
bit ENLQICRCT1 0x10
bit ENLQICRCT2 0x08
bit ENLQIBADLQT 0x04
bit ENLQIATNLQ 0x02
bit ENLQIATNCMD 0x01
}
/*
* LQI Manager Status 1
*/
register LQISTAT1 {
address 0x051
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
mask LQIPHASE_LQ 0x80
mask LQIPHASE_NLQ 0x40
bit LQIABORT 0x20
mask LQICRCI_LQ 0x10
mask LQICRCI_NLQ 0x08
bit LQIBADLQI 0x04
mask LQIOVERI_LQ 0x02
mask LQIOVERI_NLQ 0x01
}
/*
* Clear LQI Manager Interrupts1
*/
register CLRLQIINT1 {
address 0x051
access_mode WO
modes M_DFF0, M_DFF1, M_SCSI
mask CLRLQIPHASE_LQ 0x80
mask CLRLQIPHASE_NLQ 0x40
bit CLRLIQABORT 0x20
mask CLRLQICRCI_LQ 0x10
mask CLRLQICRCI_NLQ 0x08
bit CLRLQIBADLQI 0x04
mask CLRLQIOVERI_LQ 0x02
mask CLRLQIOVERI_NLQ 0x01
}
/*
* LQI Manager Interrupt Mode 1
*/
register LQIMODE1 {
address 0x051
access_mode RW
modes M_CFG
mask ENLQIPHASE_LQ 0x80
mask ENLQIPHASE_NLQ 0x40
bit ENLIQABORT 0x20
mask ENLQICRCI_LQ 0x10
mask ENLQICRCI_NLQ 0x08
bit ENLQIBADLQI 0x04
mask ENLQIOVERI_LQ 0x02
mask ENLQIOVERI_NLQ 0x01
}
/*
* LQI Manager Status 2
*/
register LQISTAT2 {
address 0x052
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
bit PACKETIZED 0x80
bit LQIPHASE_OUTPKT 0x40
bit LQIWORKONLQ 0x20
bit LQIWAITFIFO 0x10
bit LQISTOPPKT 0x08
bit LQISTOPLQ 0x04
bit LQISTOPCMD 0x02
bit LQIGSAVAIL 0x01
}
/*
* SCSI Status 3
*/
register SSTAT3 {
address 0x053
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
bit NTRAMPERR 0x02
bit OSRAMPERR 0x01
}
/*
* Clear SCSI Status 3
*/
register CLRSINT3 {
address 0x053
access_mode WO
modes M_DFF0, M_DFF1, M_SCSI
bit CLRNTRAMPERR 0x02
bit CLROSRAMPERR 0x01
}
/*
* SCSI Interrupt Mode 3
*/
register SIMODE3 {
address 0x053
access_mode RW
modes M_CFG
bit ENNTRAMPERR 0x02
bit ENOSRAMPERR 0x01
}
/*
* LQO Manager Status 0
*/
register LQOSTAT0 {
address 0x054
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
bit LQOTARGSCBPERR 0x10
bit LQOSTOPT2 0x08
bit LQOATNLQ 0x04
bit LQOATNPKT 0x02
bit LQOTCRC 0x01
}
/*
* Clear LQO Manager interrupt 0
*/
register CLRLQOINT0 {
address 0x054
access_mode WO
modes M_DFF0, M_DFF1, M_SCSI
bit CLRLQOTARGSCBPERR 0x10
bit CLRLQOSTOPT2 0x08
bit CLRLQOATNLQ 0x04
bit CLRLQOATNPKT 0x02
bit CLRLQOTCRC 0x01
}
/*
* LQO Manager Interrupt Mode 0
*/
register LQOMODE0 {
address 0x054
access_mode RW
modes M_CFG
bit ENLQOTARGSCBPERR 0x10
bit ENLQOSTOPT2 0x08
bit ENLQOATNLQ 0x04
bit ENLQOATNPKT 0x02
bit ENLQOTCRC 0x01
}
/*
* LQO Manager Status 1
*/
register LQOSTAT1 {
address 0x055
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
bit LQOINITSCBPERR 0x10
bit LQOSTOPI2 0x08
bit LQOBADQAS 0x04
bit LQOBUSFREE 0x02
bit LQOPHACHGINPKT 0x01
}
/*
* Clear LOQ Interrupt 1
*/
register CLRLQOINT1 {
address 0x055
access_mode WO
modes M_DFF0, M_DFF1, M_SCSI
bit CLRLQOINITSCBPERR 0x10
bit CLRLQOSTOPI2 0x08
bit CLRLQOBADQAS 0x04
bit CLRLQOBUSFREE 0x02
bit CLRLQOPHACHGINPKT 0x01
}
/*
* LQO Manager Interrupt Mode 1
*/
register LQOMODE1 {
address 0x055
access_mode RW
modes M_CFG
bit ENLQOINITSCBPERR 0x10
bit ENLQOSTOPI2 0x08
bit ENLQOBADQAS 0x04
bit ENLQOBUSFREE 0x02
bit ENLQOPHACHGINPKT 0x01
}
/*
* LQO Manager Status 2
*/
register LQOSTAT2 {
address 0x056
access_mode RO
modes M_DFF0, M_DFF1, M_SCSI
mask LQOPKT 0xE0
bit LQOWAITFIFO 0x10
bit LQOPHACHGOUTPKT 0x02 /* outside of packet boundaries. */
bit 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
bit ENSELTIMO 0x80
bit ENATNTARG 0x40
bit ENSCSIRST 0x20
bit ENPHASEMIS 0x10
bit ENBUSFREE 0x08
bit ENSCSIPERR 0x04
bit ENSTRB2FAST 0x02
bit 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
bit CLRSHCNT 0x04
bit CLRCHN 0x02
bit RSTCHN 0x01
}
/*
* Next SCSI Control Block
*/
register NEXTSCB {
address 0x05A
access_mode RW
size 2
modes M_SCSI
}
/*
* SEQ Interrupts
*/
register SEQINTSRC {
address 0x05B
access_mode RO
modes M_DFF0, M_DFF1
bit CTXTDONE 0x40
bit SAVEPTRS 0x20
bit CFG4DATA 0x10
bit CFG4ISTAT 0x08
bit CFG4TSTAT 0x04
bit CFG4ICMD 0x02
bit CFG4TCMD 0x01
}
/*
* Clear Arp Interrupts
*/
register CLRSEQINTSRC {
address 0x05B
access_mode WO
modes M_DFF0, M_DFF1
bit CLRCTXTDONE 0x40
bit CLRSAVEPTRS 0x20
bit CLRCFG4DATA 0x10
bit CLRCFG4ISTAT 0x08
bit CLRCFG4TSTAT 0x04
bit CLRCFG4ICMD 0x02
bit CLRCFG4TCMD 0x01
}
/*
* SEQ Interrupt Enabled (Shared)
*/
register SEQIMODE {
address 0x05C
access_mode RW
modes M_DFF0, M_DFF1
bit ENCTXTDONE 0x40
bit ENSAVEPTRS 0x20
bit ENCFG4DATA 0x10
bit ENCFG4ISTAT 0x08
bit ENCFG4TSTAT 0x04
bit ENCFG4ICMD 0x02
bit 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
bit LASTSDONE 0x10
bit SHVALID 0x08
bit DLZERO 0x04 /* FIFO data ends on packet boundary. */
bit DATAINFIFO 0x02
bit FIFOFREE 0x01
}
/*
* CRC Control
*/
register CRCCONTROL {
address 0x05d
access_mode RW
modes M_CFG
bit CRCVALCHKEN 0x40
}
/*
* SCSI Test Control
*/
register SCSITEST {
address 0x05E
access_mode RW
modes M_CFG
bit CNTRTEST 0x08
bit 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
bit DISABLE_OE 0x80
bit PDN_IDIST 0x04
bit 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
bit PPROPT_PACE 0x08
bit PPROPT_QAS 0x04
bit PPROPT_DT 0x02
bit PPROPT_IUT 0x01
}
/*
* Data Transfer Negotiation Data - Connection Options
*/
register NEGCONOPTS {
address 0x064
access_mode RW
modes M_SCSI
bit ENAIP 0x08
bit ENAUTOATNI 0x04
bit ENAUTOATNO 0x02
bit WIDEXFER 0x01
}
/*
* Negotiation Table Annex Column Index.
*/
register ANNEXCOL {
address 0x065
access_mode RW
modes M_SCSI
}
const AHD_ANNEXCOL_PRECOMP 4
const AHD_PRECOMP_MASK 0x07
const AHD_PRECOMP_CUTBACK_17 0x04
const AHD_PRECOMP_CUTBACK_29 0x06
const AHD_PRECOMP_CUTBACK_37 0x07
const AHD_PRECOMP_FASTSLEW 0x40
const AHD_NUM_ANNEXCOLS 4
/*
* 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
bit PLL_VCOSEL 0x80
bit PLL_PWDN 0x40
mask PLL_NS 0x30
bit PLL_ENLUD 0x08
bit PLL_ENLPF 0x04
bit PLL_DLPF 0x02
bit 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
bit PLL_CNTEN 0x80
bit PLL_CNTCLR 0x40
bit 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
bit PLL_VCOSEL 0x80
bit PLL_PWDN 0x40
mask PLL_NS 0x30
bit PLL_ENLUD 0x08
bit PLL_ENLPF 0x04
bit PLL_DLPF 0x02
bit 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
bit PLL_CNTEN 0x80
bit PLL_CNTCLR 0x40
bit 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
bit AUSCBPTR_EN 0x80
mask SCBPTR_ADDR 0x38
mask 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
bit CCSGDONE 0x80
bit SG_CACHE_AVAIL 0x10
bit CCSGEN 0x08
bit SG_FETCH_REQ 0x02
bit CCSGRESET 0x01
}
/*
* CMD SCB Control
*/
register CCSCBCTL {
address 0x0AD
access_mode RW
modes M_CCHAN
bit CCSCBDONE 0x80
bit ARRDONE 0x40
bit CCARREN 0x10
bit CCSCBEN 0x08
bit CCSCBDIR 0x04
bit CCSCBRESET 0x01
}
/*
* CMC Ram BIST
*/
register CMC_RAMBIST {
address 0x0AD
access_mode RW
modes M_CFG
bit SG_ELEMENT_SIZE 0x80
bit SCBRAMBIST_FAIL 0x40
bit SG_BIST_FAIL 0x20
bit SG_BIST_EN 0x10
bit CMC_BUFFER_BIST_FAIL 0x02
bit 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
bit FLEXDMAERR 0x02
bit 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
bit FLXARBACK 0x80
bit FLXARBREQ 0x40
mask BRDADDR 0x38
bit BRDEN 0x04
bit BRDRW 0x02
bit 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
bit INIT_DONE 0x80
mask SEEOPCODE 0x70
bit LDALTID_L 0x08
bit SEEARBACK 0x04
bit SEEBUSY 0x02
bit SEESTART 0x01
}
/*
* Serial EEPROM Control
*/
register SEECTL {
address 0x0BE
access_mode RW
modes M_SCSI
mask SEEOPCODE 0x70
mask SEEOP_ERASE 0x70
mask SEEOP_READ 0x60
mask SEEOP_WRITE 0x50
/*
* The following four commands use special
* addresses for differentiation.
*/
mask SEEOP_ERAL 0x40
mask SEEOP_EWEN 0x40
mask SEEOP_WALL 0x40
mask SEEOP_EWDS 0x40
bit SEERST 0x02
bit 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
bit FLTRDISABLE 0x20
bit EDGESENSE 0x10
mask DSPFCNTSEL 0x0F
}
/*
* DSP Data Channel Control
*/
register DSPDATACTL {
address 0x0C1
access_mode RW
modes M_CFG
bit BYPASSENAB 0x80
bit DESQDIS 0x10
bit RCVROFFSTDIS 0x04
bit 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
mask MANREQCTL 0xC0
mask MANREQDLY 0x3F
}
/*
* DSP ACK Control
*/
register DSPACKCTL {
address 0x0C3
access_mode RW
modes M_CFG
mask MANACKCTL 0xC0
mask 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
bit AUTOINCEN 0x80
mask DSPSEL 0x1F
}
const NUMDSPS 0x14
/*
* Write Bias Control
*/
register WRTBIASCTL {
address 0x0C5
access_mode WO
modes M_CFG
bit AUTOXBCDIS 0x80
mask XMITMANVAL 0x3F
}
const WRTBIASCTL_CPQ_DEFAULT 0x97
/*
* Receiver Bias Control
*/
register RCVRBIOSCTL {
address 0x0C6
access_mode WO
modes M_CFG
bit AUTORBCDIS 0x80
mask 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 Debug Control
*/
register DFDBCTL {
address 0x0C8
access_mode RW
modes M_DFF0, M_DFF1
bit DFF_CIO_WR_RDY 0x20
bit DFF_CIO_RD_RDY 0x10
bit DFF_DIR_ERR 0x08
bit DFF_RAMBIST_FAIL 0x04
bit DFF_RAMBIST_DONE 0x02
bit DFF_RAMBIST_EN 0x01
}
/*
* 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 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
bit PERRORDIS 0x80
bit PAUSEDIS 0x40
bit FAILDIS 0x20
bit FASTMODE 0x10
bit BRKADRINTEN 0x08
bit STEP 0x04
bit SEQRESET 0x02
bit LOADRAM 0x01
}
/*
* Sequencer Control 1
* Instruction RAM Diagnostics
*/
register SEQCTL1 {
address 0x0D7
access_mode RW
bit OVRLAY_DATA_CHK 0x08
bit RAMBIST_DONE 0x04
bit RAMBIST_FAIL 0x02
bit RAMBIST_EN 0x01
}
/*
* Sequencer Flags
* Zero and Carry state of the ALU.
*/
register FLAGS {
address 0x0D8
access_mode RO
bit ZERO 0x02
bit CARRY 0x01
}
/*
* Sequencer Interrupt Control
*/
register SEQINTCTL {
address 0x0D9
access_mode RW
bit INTVEC1DSL 0x80
bit INT1_CONTEXT 0x20
bit SCS_SEQ_INT1M1 0x10
bit SCS_SEQ_INT1M0 0x08
mask INTMASK 0x06
bit 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
bit 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
}
REG2 {
size 2
}
SG_STATE {
size 1
bit SEGS_AVAIL 0x01
bit LOADING_NEEDED 0x02
bit 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 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
bit PRELOADEN 0x80
bit WIDEODD 0x40
bit SCSIEN 0x20
bit SDMAEN 0x10
bit SDMAENACK 0x10
bit HDMAEN 0x08
bit HDMAENACK 0x08
bit DIRECTION 0x04 /* Set indicates PCI->SCSI */
bit FIFOFLUSH 0x02
bit FIFORESET 0x01
}
SEQ_FLAGS {
size 1
bit NOT_IDENTIFIED 0x80
bit TARGET_CMD_IS_TAGGED 0x40
bit NO_CDB_SENT 0x40
bit DPHASE 0x20
/* Target flags */
bit TARG_CMD_PENDING 0x10
bit CMDPHASE_PENDING 0x08
bit DPHASE_PENDING 0x04
bit SPHASE_PENDING 0x02
bit 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
bit CDI 0x80
bit IOI 0x40
bit MSGI 0x20
mask PHASE_MASK CDI|IOI|MSGI
mask P_DATAOUT 0x00
mask P_DATAIN IOI
mask P_DATAOUT_DT P_DATAOUT|MSGO
mask P_DATAIN_DT P_DATAIN|MSGO
mask P_COMMAND CDI
mask P_MESGOUT CDI|MSGI
mask P_STATUS CDI|IOI
mask P_MESGIN CDI|IOI|MSGI
mask P_BUSFREE 0x01
}
/*
* 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
bit MANUALCTL 0x40
bit ENSELI 0x20
bit ENRSELI 0x10
mask MANUALP 0x0C
bit ENAUTOATNP 0x02
bit ALTSTIM 0x01
}
/*
* The initiator specified tag for this target mode transaction.
*/
INITIATOR_TAG {
size 1
}
SEQ_FLAGS2 {
size 1
bit SCB_DMA 0x01
bit TARGET_MSG_PENDING 0x02
bit SELECTOUT_QFROZEN 0x04
}
/*
* 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
mask SG_ADDR_MASK 0xf8 /* In the last byte */
bit SG_OVERRUN_RESID 0x02 /* In the first byte */
bit 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_CDB_LEN {
size 1
bit SCB_CDB_LEN_PTR 0x80 /* CDB in host memory */
}
SCB_TASK_MANAGEMENT {
size 1
}
SCB_TAG {
size 2
}
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
bit SG_LAST_SEG 0x80 /* In the fourth byte */
mask SG_HIGH_ADDR_BITS 0x7F /* In the fourth byte */
}
SCB_SGPTR {
size 4
bit SG_STATUS_VALID 0x04 /* In the first byte */
bit SG_FULL_RESID 0x02 /* In the first byte */
bit SG_LIST_NULL 0x01 /* In the first byte */
}
SCB_CONTROL {
size 1
bit TARGET_SCB 0x80
bit DISCENB 0x40
bit TAG_ENB 0x20
bit MK_MESSAGE 0x10
bit STATUS_RCVD 0x08
bit DISCONNECTED 0x04
mask SCB_TAG_TYPE 0x03
}
SCB_SCSIID {
size 1
mask TID 0xF0
mask OID 0x0F
}
SCB_LUN {
size 1
mask LID 0xff
}
SCB_TASK_ATTRIBUTE {
size 1
alias SCB_NONPACKET_TAG
}
SCB_BUSADDR {
size 4
}
SCB_DISCONNECTED_LISTS {
size 16
}
}
/*********************************** Constants ********************************/
const SEQ_STACK_SIZE 8
const MK_MESSAGE_BIT_OFFSET 4
const TID_SHIFT 4
const TARGET_CMD_CMPLT 0xfe
const INVALID_ADDR 0x80
#define SCB_LIST_NULL 0xff
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 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 48
/* PKT_OVERRUN_BUFSIZE must be a multiple of 256 less than 64K */
const PKT_OVERRUN_BUFSIZE 512
/*
* 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
/*
* BIOS SCB offsets
*/
const NVRAM_SCB_OFFSET 0x2C
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