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aic7xxx.reg (58258) aic7xxx.reg (63457)
1/*
2 * Aic7xxx register and scratch ram definitions.
3 *
4 * Copyright (c) 1994-2000 Justin Gibbs.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * Alternatively, this software may be distributed under the terms of the
1/*
2 * Aic7xxx register and scratch ram definitions.
3 *
4 * Copyright (c) 1994-2000 Justin Gibbs.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * Alternatively, this software may be distributed under the terms of the
17 * the GNU Public License ("GPL").
17 * GNU Public License ("GPL").
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: head/sys/dev/aic7xxx/aic7xxx.reg 58258 2000-03-18 22:28:20Z gibbs $
31 * $FreeBSD: head/sys/dev/aic7xxx/aic7xxx.reg 63457 2000-07-18 20:12:14Z gibbs $
32 */
33
34/*
35 * This file is processed by the aic7xxx_asm utility for use in assembling
36 * firmware for the aic7xxx family of SCSI host adapters as well as to generate
37 * a C header file for use in the kernel portion of the Aic7xxx driver.
38 *
39 * All page numbers refer to the Adaptec AIC-7770 Data Book available from

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167 * SCSI ID (p. 3-18).
168 * Contains the ID of the board and the current target on the
169 * selected channel.
170 */
171register SCSIID {
172 address 0x005
173 access_mode RW
174 mask TID 0xf0 /* Target ID mask */
32 */
33
34/*
35 * This file is processed by the aic7xxx_asm utility for use in assembling
36 * firmware for the aic7xxx family of SCSI host adapters as well as to generate
37 * a C header file for use in the kernel portion of the Aic7xxx driver.
38 *
39 * All page numbers refer to the Adaptec AIC-7770 Data Book available from

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167 * SCSI ID (p. 3-18).
168 * Contains the ID of the board and the current target on the
169 * selected channel.
170 */
171register SCSIID {
172 address 0x005
173 access_mode RW
174 mask TID 0xf0 /* Target ID mask */
175 mask TWIN_TID 0x70
176 bit TWIN_CHNLB 0x80
175 mask OID 0x0f /* Our ID mask */
176 /*
177 * SCSI Maximum Offset (p. 4-61 aic7890/91 Data Book)
178 * The aic7890/91 allow an offset of up to 127 transfers in both wide
179 * and narrow mode.
180 */
181 alias SCSIOFFSET
182 mask SOFS_ULTRA2 0x7f /* Sync offset U2 chips */

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699 mask DFTHRSH_100 0xc0
700}
701
702/* aic7890/91/96/97 only */
703register HS_MAILBOX {
704 address 0x086
705 mask HOST_MAILBOX 0xF0
706 mask SEQ_MAILBOX 0x0F
177 mask OID 0x0f /* Our ID mask */
178 /*
179 * SCSI Maximum Offset (p. 4-61 aic7890/91 Data Book)
180 * The aic7890/91 allow an offset of up to 127 transfers in both wide
181 * and narrow mode.
182 */
183 alias SCSIOFFSET
184 mask SOFS_ULTRA2 0x7f /* Sync offset U2 chips */

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701 mask DFTHRSH_100 0xc0
702}
703
704/* aic7890/91/96/97 only */
705register HS_MAILBOX {
706 address 0x086
707 mask HOST_MAILBOX 0xF0
708 mask SEQ_MAILBOX 0x0F
707 mask HOST_REQ_INT 0x10
708 mask HOST_TQINPOS 0x80 /* Boundary at either 0 or 128 */
709}
710
711const HOST_MAILBOX_SHIFT 4
712const SEQ_MAILBOX_SHIFT 0
713
714/*
715 * Host Control (p. 3-47) R/W

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741register HCNT {
742 address 0x08c
743 size 3
744 access_mode RW
745}
746
747/*
748 * SCB Pointer (p. 3-49)
709 mask HOST_TQINPOS 0x80 /* Boundary at either 0 or 128 */
710}
711
712const HOST_MAILBOX_SHIFT 4
713const SEQ_MAILBOX_SHIFT 0
714
715/*
716 * Host Control (p. 3-47) R/W

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742register HCNT {
743 address 0x08c
744 size 3
745 access_mode RW
746}
747
748/*
749 * SCB Pointer (p. 3-49)
749 * Gate one of the four SCBs into the SCBARRAY window.
750 * Gate one of the SCBs into the SCBARRAY window.
750 */
751register SCBPTR {
752 address 0x090
753 access_mode RW
754}
755
756/*
757 * Interrupt Status (p. 3-50)

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763 bit BRKADRINT 0x08
764 bit SCSIINT 0x04
765 bit CMDCMPLT 0x02
766 bit SEQINT 0x01
767 mask BAD_PHASE SEQINT /* unknown scsi bus phase */
768 mask SEND_REJECT 0x10|SEQINT /* sending a message reject */
769 mask NO_IDENT 0x20|SEQINT /* no IDENTIFY after reconnect*/
770 mask NO_MATCH 0x30|SEQINT /* no cmd match for reconnect */
751 */
752register SCBPTR {
753 address 0x090
754 access_mode RW
755}
756
757/*
758 * Interrupt Status (p. 3-50)

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764 bit BRKADRINT 0x08
765 bit SCSIINT 0x04
766 bit CMDCMPLT 0x02
767 bit SEQINT 0x01
768 mask BAD_PHASE SEQINT /* unknown scsi bus phase */
769 mask SEND_REJECT 0x10|SEQINT /* sending a message reject */
770 mask NO_IDENT 0x20|SEQINT /* no IDENTIFY after reconnect*/
771 mask NO_MATCH 0x30|SEQINT /* no cmd match for reconnect */
771 mask UPDATE_TMSG_REQ 0x60|SEQINT /* Update TMSG_REQ values */
772 mask IGN_WIDE_RES 0x40|SEQINT /* Complex IGN Wide Res Msg */
772 mask BAD_STATUS 0x70|SEQINT /* Bad status from target */
773 mask RESIDUAL 0x80|SEQINT /* Residual byte count != 0 */
773 mask BAD_STATUS 0x70|SEQINT /* Bad status from target */
774 mask RESIDUAL 0x80|SEQINT /* Residual byte count != 0 */
774 mask TRACE_POINT 0x90|SEQINT
775 mask TRACEPOINT2 0x90|SEQINT
775 mask HOST_MSG_LOOP 0xa0|SEQINT /*
776 * The bus is ready for the
777 * host to perform another
778 * message transaction. This
779 * mechanism is used for things
780 * like sync/wide negotiation
781 * that require a kernel based
782 * message state engine.
783 */
784 mask PERR_DETECTED 0xb0|SEQINT /*
785 * Either the phase_lock
786 * or inb_next routine has
787 * noticed a parity error.
788 */
789 mask TRACEPOINT 0xd0|SEQINT
776 mask HOST_MSG_LOOP 0xa0|SEQINT /*
777 * The bus is ready for the
778 * host to perform another
779 * message transaction. This
780 * mechanism is used for things
781 * like sync/wide negotiation
782 * that require a kernel based
783 * message state engine.
784 */
785 mask PERR_DETECTED 0xb0|SEQINT /*
786 * Either the phase_lock
787 * or inb_next routine has
788 * noticed a parity error.
789 */
790 mask TRACEPOINT 0xd0|SEQINT
790 mask MSGIN_PHASEMIS 0xe0|SEQINT /*
791 * Target changed phase on us
792 * when we were expecting
793 * another msgin byte.
794 */
795 mask DATA_OVERRUN 0xf0|SEQINT /*
796 * Target attempted to write
797 * beyond the bounds of its
798 * command.
799 */
800
801 mask SEQINT_MASK 0xf0|SEQINT /* SEQINT Status Codes */
802 mask INT_PEND (BRKADRINT|SEQINT|SCSIINT|CMDCMPLT)

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957
958/*
959 * SCB Definition (p. 5-4)
960 */
961scb {
962 address 0x0a0
963 SCB_CONTROL {
964 size 1
791 mask DATA_OVERRUN 0xf0|SEQINT /*
792 * Target attempted to write
793 * beyond the bounds of its
794 * command.
795 */
796
797 mask SEQINT_MASK 0xf0|SEQINT /* SEQINT Status Codes */
798 mask INT_PEND (BRKADRINT|SEQINT|SCSIINT|CMDCMPLT)

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953
954/*
955 * SCB Definition (p. 5-4)
956 */
957scb {
958 address 0x0a0
959 SCB_CONTROL {
960 size 1
965 bit TARGET_SCB 0x80
966 bit DISCENB 0x40
967 bit TAG_ENB 0x20
968 bit MK_MESSAGE 0x10
969 bit ULTRAENB 0x08
970 bit DISCONNECTED 0x04
971 mask SCB_TAG_TYPE 0x03
961 bit TARGET_SCB 0x80
962 bit DISCENB 0x40
963 bit TAG_ENB 0x20
964 bit MK_MESSAGE 0x10
965 bit ULTRAENB 0x08
966 bit DISCONNECTED 0x04
967 mask SCB_TAG_TYPE 0x03
972 }
968 }
973 SCB_TCL {
969 SCB_SCSIID {
974 size 1
970 size 1
975 bit SELBUSB 0x08
976 mask TID 0xf0
977 mask LID 0x07
971 bit TWIN_CHNLB 0x80
972 mask TWIN_TID 0x70
973 mask TID 0xf0
974 mask OID 0x0f
978 }
975 }
979 SCB_TARGET_STATUS {
976 SCB_LUN {
977 mask LID 0xff
980 size 1
981 }
978 size 1
979 }
982 SCB_SGCOUNT {
980 SCB_CDB_LEN {
983 size 1
984 }
981 size 1
982 }
985 SCB_SGPTR {
983 SCB_CDB_PTR {
986 size 4
984 size 4
985 alias SCB_RESIDUAL_DATACNT
986 alias SCB_CDB_STORE
987 alias SCB_TARGET_INFO
987 }
988 }
988 SCB_RESID_SGCNT {
989 SCB_RESIDUAL_SGPTR {
990 size 4
991 }
992 SCB_SCSI_STATUS {
989 size 1
990 }
993 size 1
994 }
991 SCB_RESID_DCNT {
995 SCB_CDB_STORE_PAD {
992 size 3
993 }
994 SCB_DATAPTR {
995 size 4
996 }
997 SCB_DATACNT {
998 /*
996 size 3
997 }
998 SCB_DATAPTR {
999 size 4
1000 }
1001 SCB_DATACNT {
1002 /*
999 * Really only 3 bytes, but padded to make
1000 * the kernel's job easier.
1003 * The last byte is really the high address bits for
1004 * the data address.
1001 */
1002 size 4
1005 */
1006 size 4
1007 bit SG_LAST_SEG 0x80 /* In the fourth byte */
1008 mask SG_HIGH_ADDR_BITS 0x7F /* In the fourth byte */
1003 }
1009 }
1004 SCB_CMDPTR {
1005 alias SCB_TARGET_PHASES
1006 bit TARGET_DATA_IN 0x1 /* In the second byte */
1010 SCB_SGPTR {
1007 size 4
1011 size 4
1012 bit SG_RESID_VALID 0x04 /* In the first byte */
1013 bit SG_FULL_RESID 0x02 /* In the first byte */
1014 bit SG_LIST_NULL 0x01 /* In the first byte */
1008 }
1015 }
1009 SCB_CMDLEN {
1010 alias SCB_INITIATOR_TAG
1011 size 1
1012 }
1013 SCB_TAG {
1014 size 1
1015 }
1016 SCB_TAG {
1017 size 1
1018 }
1016 SCB_NEXT {
1017 size 1
1018 }
1019 SCB_SCSIRATE {
1020 size 1
1021 }
1022 SCB_SCSIOFFSET {
1023 size 1
1024 }
1019 SCB_SCSIRATE {
1020 size 1
1021 }
1022 SCB_SCSIOFFSET {
1023 size 1
1024 }
1025 SCB_SPARE {
1026 size 3
1025 SCB_NEXT {
1026 size 1
1027 }
1027 }
1028 SCB_CMDSTORE {
1028 SCB_64_BTT {
1029 size 16
1030 }
1029 size 16
1030 }
1031 SCB_CMDSTORE_BUSADDR {
1032 size 4
1031 SCB_64_SPARE {
1032 size 16
1033 }
1033 }
1034 SCB_64BYTE_SPARE {
1035 size 12
1036 }
1037}
1038
1034}
1035
1039const SCB_32BYTE_SIZE 28
1040const SCB_64BYTE_SIZE 48
1036const SCB_32BYTE_SIZE 30 /* Cards supporting 32byte scbs */
1037const SCB_64BYTE_SIZE 32 /* Cards supporting 64byte scbs */
1041
1042const SG_SIZEOF 0x08 /* sizeof(struct ahc_dma) */
1043
1044/* --------------------- AHA-2840-only definitions -------------------- */
1045
1046register SEECTL_2840 {
1047 address 0x0c0
1048 access_mode RW

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1078register CCSGADDR {
1079 address 0x0EA
1080}
1081
1082register CCSGCTL {
1083 address 0x0EB
1084 bit CCSGDONE 0x80
1085 bit CCSGEN 0x08
1038
1039const SG_SIZEOF 0x08 /* sizeof(struct ahc_dma) */
1040
1041/* --------------------- AHA-2840-only definitions -------------------- */
1042
1043register SEECTL_2840 {
1044 address 0x0c0
1045 access_mode RW

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1075register CCSGADDR {
1076 address 0x0EA
1077}
1078
1079register CCSGCTL {
1080 address 0x0EB
1081 bit CCSGDONE 0x80
1082 bit CCSGEN 0x08
1086 bit FLAG 0x02
1083 bit SG_FETCH_NEEDED 0x02 /* Bit used for software state */
1087 bit CCSGRESET 0x01
1088}
1089
1090register CCSCBCNT {
1091 address 0xEF
1092}
1093
1094register CCSCBCTL {

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1159 mask WR_DFTHRSH_50 0x20
1160 mask WR_DFTHRSH_63 0x30
1161 mask WR_DFTHRSH_75 0x40
1162 mask WR_DFTHRSH_85 0x50
1163 mask WR_DFTHRSH_90 0x60
1164 mask WR_DFTHRSH_MAX 0x70
1165}
1166
1084 bit CCSGRESET 0x01
1085}
1086
1087register CCSCBCNT {
1088 address 0xEF
1089}
1090
1091register CCSCBCTL {

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1156 mask WR_DFTHRSH_50 0x20
1157 mask WR_DFTHRSH_63 0x30
1158 mask WR_DFTHRSH_75 0x40
1159 mask WR_DFTHRSH_85 0x50
1160 mask WR_DFTHRSH_90 0x60
1161 mask WR_DFTHRSH_MAX 0x70
1162}
1163
1167register SG_CACHEPTR {
1168 access_mode RW
1164register SG_CACHE_PRE {
1165 access_mode WO
1169 address 0x0fc
1166 address 0x0fc
1170 mask SG_USER_DATA 0xfc
1167 mask SG_ADDR_MASK 0xf8
1168 bit ODD_SEG 0x04
1171 bit LAST_SEG 0x02
1172 bit LAST_SEG_DONE 0x01
1173}
1174
1169 bit LAST_SEG 0x02
1170 bit LAST_SEG_DONE 0x01
1171}
1172
1173register SG_CACHE_SHADOW {
1174 access_mode RO
1175 address 0x0fc
1176 mask SG_ADDR_MASK 0xf8
1177 bit ODD_SEG 0x04
1178 bit LAST_SEG 0x02
1179 bit LAST_SEG_DONE 0x01
1180}
1175/* ---------------------- Scratch RAM Offsets ------------------------- */
1176/* These offsets are either to values that are initialized by the board's
1177 * BIOS or are specified by the sequencer code.
1178 *
1179 * The host adapter card (at least the BIOS) uses 20-2f for SCSI
1180 * device information, 32-33 and 5a-5f as well. As it turns out, the
1181 * BIOS trashes 20-2f, writing the synchronous negotiation results
1182 * on top of the BIOS values, so we re-use those for our per-target

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1188 */
1189
1190scratch_ram {
1191 address 0x020
1192
1193 /*
1194 * 1 byte per target starting at this address for configuration values
1195 */
1181/* ---------------------- Scratch RAM Offsets ------------------------- */
1182/* These offsets are either to values that are initialized by the board's
1183 * BIOS or are specified by the sequencer code.
1184 *
1185 * The host adapter card (at least the BIOS) uses 20-2f for SCSI
1186 * device information, 32-33 and 5a-5f as well. As it turns out, the
1187 * BIOS trashes 20-2f, writing the synchronous negotiation results
1188 * on top of the BIOS values, so we re-use those for our per-target

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1194 */
1195
1196scratch_ram {
1197 address 0x020
1198
1199 /*
1200 * 1 byte per target starting at this address for configuration values
1201 */
1196 TARG_SCSIRATE {
1197 alias CMDSIZE_TABLE
1202 CMDSIZE_TABLE {
1203 alias TARG_SCSIRATE
1204 size 8
1205 }
1206 BUSY_TARGETS {
1198 size 16
1199 }
1200 /*
1201 * Bit vector of targets that have ULTRA enabled.
1202 */
1203 ULTRA_ENB {
1204 size 2
1205 }

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1229 bit DIRECTION 0x04
1230 bit FIFOFLUSH 0x02
1231 bit FIFORESET 0x01
1232 }
1233 SEQ_FLAGS {
1234 size 1
1235 bit IDENTIFY_SEEN 0x80
1236 bit SCBPTR_VALID 0x40
1207 size 16
1208 }
1209 /*
1210 * Bit vector of targets that have ULTRA enabled.
1211 */
1212 ULTRA_ENB {
1213 size 2
1214 }

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1238 bit DIRECTION 0x04
1239 bit FIFOFLUSH 0x02
1240 bit FIFORESET 0x01
1241 }
1242 SEQ_FLAGS {
1243 size 1
1244 bit IDENTIFY_SEEN 0x80
1245 bit SCBPTR_VALID 0x40
1246 bit TARGET_CMD_IS_TAGGED 0x40
1237 bit DPHASE 0x20
1238 /* Target flags */
1239 bit TARG_CMD_PENDING 0x10
1240 bit CMDPHASE_PENDING 0x08
1241 bit DPHASE_PENDING 0x04
1242 bit SPHASE_PENDING 0x02
1243 bit NO_DISCONNECT 0x01
1244 }
1245 /*
1246 * Temporary storage for the
1247 * target/channel/lun of a
1248 * reconnecting target
1249 */
1247 bit DPHASE 0x20
1248 /* Target flags */
1249 bit TARG_CMD_PENDING 0x10
1250 bit CMDPHASE_PENDING 0x08
1251 bit DPHASE_PENDING 0x04
1252 bit SPHASE_PENDING 0x02
1253 bit NO_DISCONNECT 0x01
1254 }
1255 /*
1256 * Temporary storage for the
1257 * target/channel/lun of a
1258 * reconnecting target
1259 */
1250 SAVED_TCL {
1260 SAVED_SCSIID {
1251 size 1
1252 }
1261 size 1
1262 }
1253 /* Working value of the number of SG segments left */
1254 SG_COUNT {
1263 SAVED_LUN {
1255 size 1
1256 }
1264 size 1
1265 }
1257 /* Working value of SG pointer */
1258 SG_NEXT {
1259 size 4
1260 }
1261 /*
1262 * The last bus phase as seen by the sequencer.
1263 */
1264 LASTPHASE {
1265 size 1
1266 bit CDI 0x80
1267 bit IOI 0x40
1268 bit MSGI 0x20

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1299 }
1300 /*
1301 * Address of the hardware scb array in the host.
1302 */
1303 HSCB_ADDR {
1304 size 4
1305 }
1306 /*
1266 /*
1267 * The last bus phase as seen by the sequencer.
1268 */
1269 LASTPHASE {
1270 size 1
1271 bit CDI 0x80
1272 bit IOI 0x40
1273 bit MSGI 0x20

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1304 }
1305 /*
1306 * Address of the hardware scb array in the host.
1307 */
1308 HSCB_ADDR {
1309 size 4
1310 }
1311 /*
1307 * Address of the 256 byte array storing the SCBID of outstanding
1308 * untagged SCBs indexed by TCL.
1312 * Base address of our shared data with the kernel driver in host
1313 * memory. This includes the qinfifo, qoutfifo, and target mode
1314 * incoming command queue.
1309 */
1315 */
1310 SCBID_ADDR {
1316 SHARED_DATA_ADDR {
1311 size 4
1312 }
1317 size 4
1318 }
1313 /*
1314 * Address of the array of command descriptors used to store
1315 * information about incoming selections.
1316 */
1317 TMODE_CMDADDR {
1318 size 4
1319 }
1320 KERNEL_QINPOS {
1321 size 1
1322 }
1323 QINPOS {
1324 size 1
1325 }
1326 QOUTPOS {
1327 size 1

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1356 /*
1357 * Snapshot of MSG_OUT taken after each message is sent.
1358 */
1359 LAST_MSG {
1360 size 1
1361 }
1362
1363 /*
1319 KERNEL_QINPOS {
1320 size 1
1321 }
1322 QINPOS {
1323 size 1
1324 }
1325 QOUTPOS {
1326 size 1

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1355 /*
1356 * Snapshot of MSG_OUT taken after each message is sent.
1357 */
1358 LAST_MSG {
1359 size 1
1360 }
1361
1362 /*
1364 * Number of times we have filled the CCSGRAM with prefetched
1365 * SG elements.
1366 */
1367 PREFETCH_CNT {
1368 size 1
1369 }
1370
1371 /*
1372 * Interrupt kernel for a message to this target on
1373 * the next transaction. This is usually used for
1374 * negotiation requests.
1375 */
1376 TARGET_MSG_REQUEST {
1377 size 2
1378 }
1379

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1436 * Per target SCSI offset values for Ultra2 controllers.
1437 */
1438 TARG_OFFSET {
1439 address 0x070
1440 size 16
1441 }
1442}
1443
1363 * Interrupt kernel for a message to this target on
1364 * the next transaction. This is usually used for
1365 * negotiation requests.
1366 */
1367 TARGET_MSG_REQUEST {
1368 size 2
1369 }
1370

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1427 * Per target SCSI offset values for Ultra2 controllers.
1428 */
1429 TARG_OFFSET {
1430 address 0x070
1431 size 16
1432 }
1433}
1434
1435const TID_SHIFT 4
1444const SCB_LIST_NULL 0xff
1445const TARGET_CMD_CMPLT 0xfe
1446
1447const CCSGADDR_MAX 0x80
1448const CCSGRAM_MAXSEGS 16
1449
1436const SCB_LIST_NULL 0xff
1437const TARGET_CMD_CMPLT 0xfe
1438
1439const CCSGADDR_MAX 0x80
1440const CCSGRAM_MAXSEGS 16
1441
1450/* Offsets into the SCBID array where different data is stored */
1451const QOUTFIFO_OFFSET 0
1452const QINFIFO_OFFSET 1
1453const UNTAGGEDSCB_OFFSET 2
1454
1455/* WDTR Message values */
1456const BUS_8_BIT 0x00
1457const BUS_16_BIT 0x01
1458const BUS_32_BIT 0x02
1459
1460/* Offset maximums */
1461const MAX_OFFSET_8BIT 0x0f
1462const MAX_OFFSET_16BIT 0x08
1463const MAX_OFFSET_ULTRA2 0x7f
1464const HOST_MSG 0xff
1465
1466/* Target mode command processing constants */
1467const CMD_GROUP_CODE_SHIFT 0x05
1468
1442/* WDTR Message values */
1443const BUS_8_BIT 0x00
1444const BUS_16_BIT 0x01
1445const BUS_32_BIT 0x02
1446
1447/* Offset maximums */
1448const MAX_OFFSET_8BIT 0x0f
1449const MAX_OFFSET_16BIT 0x08
1450const MAX_OFFSET_ULTRA2 0x7f
1451const HOST_MSG 0xff
1452
1453/* Target mode command processing constants */
1454const CMD_GROUP_CODE_SHIFT 0x05
1455
1469const TCL_TARGET_SHIFT 4
1470
1471const STATUS_BUSY 0x08
1456const STATUS_BUSY 0x08
1472const STATUS_QUEUE_FULL 0x28
1457const STATUS_QUEUE_FULL 0x28
1458const SCB_TARGET_PHASES 0
1459const SCB_TARGET_DATA_DIR 1
1460const SCB_TARGET_STATUS 2
1461const SCB_INITIATOR_TAG 3
1462const TARGET_DATA_IN 1
1473
1474/*
1475 * Downloaded (kernel inserted) constants
1476 */
1463
1464/*
1465 * Downloaded (kernel inserted) constants
1466 */
1477
1478/*
1479 * Number of command descriptors in the command descriptor array.
1480 * No longer used, but left here as an example for how downloaded
1481 * constantants can be defined.
1482const TMODE_NUMCMDS download
1483 */
1467/* Offsets into the SCBID array where different data is stored */
1468const QOUTFIFO_OFFSET download
1469const QINFIFO_OFFSET download