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aic7xxx.h (115917) aic7xxx.h (123579)
1/*
2 * Core definitions and data structures shareable across OS platforms.
3 *
4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
1/*
2 * Core definitions and data structures shareable across OS platforms.
3 *
4 * Copyright (c) 1994-2001 Justin T. Gibbs.
5 * Copyright (c) 2000-2001 Adaptec Inc.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without

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32 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
36 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
37 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGES.
39 *
40 * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#79 $
40 * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#85 $
41 *
41 *
42 * $FreeBSD: head/sys/dev/aic7xxx/aic7xxx.h 115917 2003-06-06 23:48:19Z gibbs $
42 * $FreeBSD: head/sys/dev/aic7xxx/aic7xxx.h 123579 2003-12-17 00:02:10Z gibbs $
43 */
44
45#ifndef _AIC7XXX_H_
46#define _AIC7XXX_H_
47
48/* Register Definitions */
49#include "aic7xxx_reg.h"
50

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238 * The real 7850 does not support Ultra modes, but there are
239 * several cards that use the generic 7850 PCI ID even though
240 * they are using an Ultra capable chip (7859/7860). We start
241 * out with the AHC_ULTRA feature set and then check the DEVSTATUS
242 * register to determine if the capability is really present.
243 */
244 AHC_AIC7850_FE = AHC_SPIOCAP|AHC_AUTOPAUSE|AHC_TARGETMODE|AHC_ULTRA,
245 AHC_AIC7860_FE = AHC_AIC7850_FE,
43 */
44
45#ifndef _AIC7XXX_H_
46#define _AIC7XXX_H_
47
48/* Register Definitions */
49#include "aic7xxx_reg.h"
50

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238 * The real 7850 does not support Ultra modes, but there are
239 * several cards that use the generic 7850 PCI ID even though
240 * they are using an Ultra capable chip (7859/7860). We start
241 * out with the AHC_ULTRA feature set and then check the DEVSTATUS
242 * register to determine if the capability is really present.
243 */
244 AHC_AIC7850_FE = AHC_SPIOCAP|AHC_AUTOPAUSE|AHC_TARGETMODE|AHC_ULTRA,
245 AHC_AIC7860_FE = AHC_AIC7850_FE,
246 AHC_AIC7870_FE = AHC_TARGETMODE,
246 AHC_AIC7870_FE = AHC_TARGETMODE|AHC_AUTOPAUSE,
247 AHC_AIC7880_FE = AHC_AIC7870_FE|AHC_ULTRA,
248 /*
249 * Although we have space for both the initiator and
250 * target roles on ULTRA2 chips, we currently disable
251 * the initiator role to allow multi-scsi-id target mode
252 * configurations. We can only respond on the same SCSI
253 * ID as our initiator role if we allow initiator operation.
254 * At some point, we should add a configuration knob to

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361 AHC_ALL_INTERRUPTS = 0x100000,
362 AHC_PAGESCBS = 0x400000, /* Enable SCB paging */
363 AHC_EDGE_INTERRUPT = 0x800000, /* Device uses edge triggered ints */
364 AHC_39BIT_ADDRESSING = 0x1000000, /* Use 39 bit addressing scheme. */
365 AHC_LSCBS_ENABLED = 0x2000000, /* 64Byte SCBs enabled */
366 AHC_SCB_CONFIG_USED = 0x4000000, /* No SEEPROM but SCB2 had info. */
367 AHC_NO_BIOS_INIT = 0x8000000, /* No BIOS left over settings. */
368 AHC_DISABLE_PCI_PERR = 0x10000000,
247 AHC_AIC7880_FE = AHC_AIC7870_FE|AHC_ULTRA,
248 /*
249 * Although we have space for both the initiator and
250 * target roles on ULTRA2 chips, we currently disable
251 * the initiator role to allow multi-scsi-id target mode
252 * configurations. We can only respond on the same SCSI
253 * ID as our initiator role if we allow initiator operation.
254 * At some point, we should add a configuration knob to

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361 AHC_ALL_INTERRUPTS = 0x100000,
362 AHC_PAGESCBS = 0x400000, /* Enable SCB paging */
363 AHC_EDGE_INTERRUPT = 0x800000, /* Device uses edge triggered ints */
364 AHC_39BIT_ADDRESSING = 0x1000000, /* Use 39 bit addressing scheme. */
365 AHC_LSCBS_ENABLED = 0x2000000, /* 64Byte SCBs enabled */
366 AHC_SCB_CONFIG_USED = 0x4000000, /* No SEEPROM but SCB2 had info. */
367 AHC_NO_BIOS_INIT = 0x8000000, /* No BIOS left over settings. */
368 AHC_DISABLE_PCI_PERR = 0x10000000,
369 AHC_HAS_TERM_LOGIC = 0x20000000
369 AHC_HAS_TERM_LOGIC = 0x20000000,
370 AHC_SHUTDOWN_RECOVERY = 0x40000000 /* Terminate recovery thread. */
370} ahc_flag;
371
372/************************* Hardware SCB Definition ***************************/
373
374/*
375 * The driver keeps up to MAX_SCB scb structures per card in memory. The SCB
376 * consists of a "hardware SCB" mirroring the fields available on the card
377 * and additional information the kernel stores for each transaction.

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406 uint32_t residual_datacnt; /* Residual in the current S/G seg */
407 uint32_t residual_sg_ptr; /* The next S/G for this transfer */
408 uint8_t scsi_status; /* SCSI status to give to initiator */
409 uint8_t target_phases; /* Bitmap of phases to execute */
410 uint8_t data_phase; /* Data-In or Data-Out */
411 uint8_t initiator_tag; /* Initiator's transaction tag */
412};
413
371} ahc_flag;
372
373/************************* Hardware SCB Definition ***************************/
374
375/*
376 * The driver keeps up to MAX_SCB scb structures per card in memory. The SCB
377 * consists of a "hardware SCB" mirroring the fields available on the card
378 * and additional information the kernel stores for each transaction.

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407 uint32_t residual_datacnt; /* Residual in the current S/G seg */
408 uint32_t residual_sg_ptr; /* The next S/G for this transfer */
409 uint8_t scsi_status; /* SCSI status to give to initiator */
410 uint8_t target_phases; /* Bitmap of phases to execute */
411 uint8_t data_phase; /* Data-In or Data-Out */
412 uint8_t initiator_tag; /* Initiator's transaction tag */
413};
414
415#define MAX_CDB_LEN 16
414struct hardware_scb {
415/*0*/ union {
416 /*
417 * If the cdb is 12 bytes or less, we embed it directly
418 * in the SCB. For longer cdbs, we embed the address
419 * of the cdb payload as seen by the chip and a DMA
420 * is used to pull it in.
421 */

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525 struct ahc_dma_seg* sg_vaddr;
526 SLIST_ENTRY(sg_map_node) links;
527};
528
529/*
530 * The current state of this SCB.
531 */
532typedef enum {
416struct hardware_scb {
417/*0*/ union {
418 /*
419 * If the cdb is 12 bytes or less, we embed it directly
420 * in the SCB. For longer cdbs, we embed the address
421 * of the cdb payload as seen by the chip and a DMA
422 * is used to pull it in.
423 */

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527 struct ahc_dma_seg* sg_vaddr;
528 SLIST_ENTRY(sg_map_node) links;
529};
530
531/*
532 * The current state of this SCB.
533 */
534typedef enum {
533 SCB_FREE = 0x0000,
535 SCB_FLAG_NONE = 0x0000,
534 SCB_OTHERTCL_TIMEOUT = 0x0002,/*
535 * Another device was active
536 * during the first timeout for
537 * this SCB so we gave ourselves
538 * an additional timeout period
539 * in case it was hogging the
540 * bus.
541 */

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555 * payload of the command. This
556 * flag is checked when normal
557 * status is returned to catch
558 * the case of a target not
559 * responding to our attempt
560 * to report the error.
561 */
562 SCB_TARGET_SCB = 0x2000,
536 SCB_OTHERTCL_TIMEOUT = 0x0002,/*
537 * Another device was active
538 * during the first timeout for
539 * this SCB so we gave ourselves
540 * an additional timeout period
541 * in case it was hogging the
542 * bus.
543 */

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557 * payload of the command. This
558 * flag is checked when normal
559 * status is returned to catch
560 * the case of a target not
561 * responding to our attempt
562 * to report the error.
563 */
564 SCB_TARGET_SCB = 0x2000,
563 SCB_SILENT = 0x4000 /*
565 SCB_SILENT = 0x4000,/*
564 * Be quiet about transmission type
565 * errors. They are expected and we
566 * don't want to upset the user. This
567 * flag is typically used during DV.
568 */
566 * Be quiet about transmission type
567 * errors. They are expected and we
568 * don't want to upset the user. This
569 * flag is typically used during DV.
570 */
571 SCB_TIMEDOUT = 0x8000 /*
572 * SCB has timed out and is on the
573 * timedout list.
574 */
569} scb_flag;
570
571struct scb {
572 struct hardware_scb *hscb;
573 union {
574 SLIST_ENTRY(scb) sle;
575 TAILQ_ENTRY(scb) tqe;
576 } links;
577 LIST_ENTRY(scb) pending_links;
575} scb_flag;
576
577struct scb {
578 struct hardware_scb *hscb;
579 union {
580 SLIST_ENTRY(scb) sle;
581 TAILQ_ENTRY(scb) tqe;
582 } links;
583 LIST_ENTRY(scb) pending_links;
578 ahc_io_ctx_t io_ctx;
584 LIST_ENTRY(scb) timedout_links;
585 aic_io_ctx_t io_ctx;
579 struct ahc_softc *ahc_softc;
580 scb_flag flags;
581#ifndef __linux__
582 bus_dmamap_t dmamap;
583#endif
584 struct scb_platform_data *platform_data;
585 struct sg_map_node *sg_map;
586 struct ahc_dma_seg *sg_list;

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924 struct scb *next_queued_scb;
925
926 /*
927 * SCBs that have been sent to the controller
928 */
929 LIST_HEAD(, scb) pending_scbs;
930
931 /*
586 struct ahc_softc *ahc_softc;
587 scb_flag flags;
588#ifndef __linux__
589 bus_dmamap_t dmamap;
590#endif
591 struct scb_platform_data *platform_data;
592 struct sg_map_node *sg_map;
593 struct ahc_dma_seg *sg_list;

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931 struct scb *next_queued_scb;
932
933 /*
934 * SCBs that have been sent to the controller
935 */
936 LIST_HEAD(, scb) pending_scbs;
937
938 /*
939 * SCBs whose timeout routine has been called.
940 */
941 LIST_HEAD(, scb) timedout_scbs;
942
943 /*
932 * Counting lock for deferring the release of additional
933 * untagged transactions from the untagged_queues. When
934 * the lock is decremented to 0, all queues in the
935 * untagged_queues array are run.
936 */
937 u_int untagged_queue_lock;
938
939 /*

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953 /*
954 * Platform specific data.
955 */
956 struct ahc_platform_data *platform_data;
957
958 /*
959 * Platform specific device information.
960 */
944 * Counting lock for deferring the release of additional
945 * untagged transactions from the untagged_queues. When
946 * the lock is decremented to 0, all queues in the
947 * untagged_queues array are run.
948 */
949 u_int untagged_queue_lock;
950
951 /*

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965 /*
966 * Platform specific data.
967 */
968 struct ahc_platform_data *platform_data;
969
970 /*
971 * Platform specific device information.
972 */
961 ahc_dev_softc_t dev_softc;
973 aic_dev_softc_t dev_softc;
962
963 /*
964 * Bus specific device information.
965 */
966 ahc_bus_intr_t bus_intr;
967
968 /*
969 * Bus specific initialization required

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1130 char channel;
1131 role_t role; /*
1132 * Only guaranteed to be correct if not
1133 * in the busfree state.
1134 */
1135};
1136
1137/****************************** PCI Structures ********************************/
974
975 /*
976 * Bus specific device information.
977 */
978 ahc_bus_intr_t bus_intr;
979
980 /*
981 * Bus specific initialization required

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1142 char channel;
1143 role_t role; /*
1144 * Only guaranteed to be correct if not
1145 * in the busfree state.
1146 */
1147};
1148
1149/****************************** PCI Structures ********************************/
1150#define AHC_PCI_IOADDR PCIR_BAR(0) /* I/O Address */
1151#define AHC_PCI_MEMADDR PCIR_BAR(1) /* Mem I/O Address */
1152
1138typedef int (ahc_device_setup_t)(struct ahc_softc *);
1139
1140struct ahc_pci_identity {
1141 uint64_t full_id;
1142 uint64_t id_mask;
1143 char *name;
1144 ahc_device_setup_t *setup;
1145};

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1162/*************************** Function Declarations ****************************/
1163/******************************************************************************/
1164u_int ahc_index_busy_tcl(struct ahc_softc *ahc, u_int tcl);
1165void ahc_unbusy_tcl(struct ahc_softc *ahc, u_int tcl);
1166void ahc_busy_tcl(struct ahc_softc *ahc,
1167 u_int tcl, u_int busyid);
1168
1169/***************************** PCI Front End *********************************/
1153typedef int (ahc_device_setup_t)(struct ahc_softc *);
1154
1155struct ahc_pci_identity {
1156 uint64_t full_id;
1157 uint64_t id_mask;
1158 char *name;
1159 ahc_device_setup_t *setup;
1160};

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1177/*************************** Function Declarations ****************************/
1178/******************************************************************************/
1179u_int ahc_index_busy_tcl(struct ahc_softc *ahc, u_int tcl);
1180void ahc_unbusy_tcl(struct ahc_softc *ahc, u_int tcl);
1181void ahc_busy_tcl(struct ahc_softc *ahc,
1182 u_int tcl, u_int busyid);
1183
1184/***************************** PCI Front End *********************************/
1170struct ahc_pci_identity *ahc_find_pci_device(ahc_dev_softc_t);
1185struct ahc_pci_identity *ahc_find_pci_device(aic_dev_softc_t);
1171int ahc_pci_config(struct ahc_softc *,
1172 struct ahc_pci_identity *);
1173int ahc_pci_test_register_access(struct ahc_softc *);
1174
1175/*************************** EISA/VL Front End ********************************/
1176struct aic7770_identity *aic7770_find_device(uint32_t);
1177int aic7770_config(struct ahc_softc *ahc,
1178 struct aic7770_identity *,

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1226 SEARCH_COUNT,
1227 SEARCH_REMOVE
1228} ahc_search_action;
1229int ahc_search_qinfifo(struct ahc_softc *ahc, int target,
1230 char channel, int lun, u_int tag,
1231 role_t role, uint32_t status,
1232 ahc_search_action action);
1233int ahc_search_untagged_queues(struct ahc_softc *ahc,
1186int ahc_pci_config(struct ahc_softc *,
1187 struct ahc_pci_identity *);
1188int ahc_pci_test_register_access(struct ahc_softc *);
1189
1190/*************************** EISA/VL Front End ********************************/
1191struct aic7770_identity *aic7770_find_device(uint32_t);
1192int aic7770_config(struct ahc_softc *ahc,
1193 struct aic7770_identity *,

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1241 SEARCH_COUNT,
1242 SEARCH_REMOVE
1243} ahc_search_action;
1244int ahc_search_qinfifo(struct ahc_softc *ahc, int target,
1245 char channel, int lun, u_int tag,
1246 role_t role, uint32_t status,
1247 ahc_search_action action);
1248int ahc_search_untagged_queues(struct ahc_softc *ahc,
1234 ahc_io_ctx_t ctx,
1249 aic_io_ctx_t ctx,
1235 int target, char channel,
1236 int lun, uint32_t status,
1237 ahc_search_action action);
1238int ahc_search_disc_list(struct ahc_softc *ahc, int target,
1239 char channel, int lun, u_int tag,
1240 int stop_on_first, int remove,
1241 int save_state);
1242void ahc_freeze_devq(struct ahc_softc *ahc, struct scb *scb);
1243int ahc_reset_channel(struct ahc_softc *ahc, char channel,
1244 int initiate_reset);
1245int ahc_abort_scbs(struct ahc_softc *ahc, int target,
1246 char channel, int lun, u_int tag,
1247 role_t role, uint32_t status);
1248void ahc_restart(struct ahc_softc *ahc);
1249void ahc_calc_residual(struct ahc_softc *ahc,
1250 struct scb *scb);
1250 int target, char channel,
1251 int lun, uint32_t status,
1252 ahc_search_action action);
1253int ahc_search_disc_list(struct ahc_softc *ahc, int target,
1254 char channel, int lun, u_int tag,
1255 int stop_on_first, int remove,
1256 int save_state);
1257void ahc_freeze_devq(struct ahc_softc *ahc, struct scb *scb);
1258int ahc_reset_channel(struct ahc_softc *ahc, char channel,
1259 int initiate_reset);
1260int ahc_abort_scbs(struct ahc_softc *ahc, int target,
1261 char channel, int lun, u_int tag,
1262 role_t role, uint32_t status);
1263void ahc_restart(struct ahc_softc *ahc);
1264void ahc_calc_residual(struct ahc_softc *ahc,
1265 struct scb *scb);
1266void ahc_timeout(struct scb *scb);
1267void ahc_recover_commands(struct ahc_softc *ahc);
1251/*************************** Utility Functions ********************************/
1252struct ahc_phase_table_entry*
1253 ahc_lookup_phase_entry(int phase);
1254void ahc_compile_devinfo(struct ahc_devinfo *devinfo,
1255 u_int our_id, u_int target,
1256 u_int lun, char channel,
1257 role_t role);
1258/************************** Transfer Negotiation ******************************/

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1269struct ahc_phase_table_entry*
1270 ahc_lookup_phase_entry(int phase);
1271void ahc_compile_devinfo(struct ahc_devinfo *devinfo,
1272 u_int our_id, u_int target,
1273 u_int lun, char channel,
1274 role_t role);
1275/************************** Transfer Negotiation ******************************/

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