2 * Generic register and struct definitions for the BusLogic
3 * MultiMaster SCSI host adapters. Product specific probe and
4 * attach routines can be found in:
5 * sys/dev/buslogic/bt_isa.c BT-54X, BT-445 cards
6 * sys/dev/buslogic/bt_mca.c BT-64X, SDC3211B, SDC3211F
7 * sys/dev/buslogic/bt_eisa.c BT-74X, BT-75x cards, SDC3222F
8 * sys/dev/buslogic/bt_pci.c BT-946, BT-948, BT-956, BT-958 cards
10 * Copyright (c) 1998, 1999 Justin T. Gibbs.
11 * All rights reserved.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions, and the following disclaimer,
18 * without modification, immediately at the beginning of the file.
19 * 2. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
26 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 #include <sys/queue.h>
42 #define BT_MAXTRANSFER_SIZE 0xffffffff /* limited by 32bit counter */
43 #define BT_NSEG 32 /* The number of dma segments supported.
44 * BT_NSEG can be maxed out at 8192 entries,
45 * but the kernel will never need to transfer
46 * such a large request. To reduce the
47 * driver's memory consumption, we reduce the
48 * max to 32. 16 would work if all transfers
49 * are paged alined since the kernel will only
50 * generate at most a 64k transfer, but to
51 * handle non-page aligned transfers, you need
52 * 17, so we round to the next power of two
53 * to make allocating SG space easy and
57 #define ALL_TARGETS (~0)
60 * Control Register pp. 1-8, 1-9 (Write Only)
62 #define CONTROL_REG 0x00
63 #define HARD_RESET 0x80 /* Hard Reset - return to POST state */
64 #define SOFT_RESET 0x40 /* Soft Reset - Clears Adapter state */
65 #define RESET_INTR 0x20 /* Reset/Ack Interrupt */
66 #define RESET_SBUS 0x10 /* Drive SCSI bus reset signal */
69 * Status Register pp. 1-9, 1-10 (Read Only)
71 #define STATUS_REG 0x00
72 #define DIAG_ACTIVE 0x80 /* Performing Internal Diags */
73 #define DIAG_FAIL 0x40 /* Internal Diags failed */
74 #define INIT_REQUIRED 0x20 /* MBOXes need initialization */
75 #define HA_READY 0x10 /* HA ready for new commands */
76 #define CMD_REG_BUSY 0x08 /* HA busy with last cmd byte */
77 #define DATAIN_REG_READY 0x04 /* Data-in Byte available */
78 #define STATUS_REG_RSVD 0x02
79 #define CMD_INVALID 0x01 /* Invalid Command detected */
82 * Command/Parameter Register pp. 1-10, 1-11 (Write Only)
84 #define COMMAND_REG 0x01
87 * Data in Register p. 1-11 (Read Only)
89 #define DATAIN_REG 0x01
92 * Interrupt Status Register pp. 1-12 -> 1-14 (Read Only)
94 #define INTSTAT_REG 0x02
95 #define INTR_PENDING 0x80 /* There is a pending INTR */
96 #define INTSTAT_REG_RSVD 0x70
97 #define SCSI_BUS_RESET 0x08 /* Bus Reset detected */
98 #define CMD_COMPLETE 0x04
99 #define OMB_READY 0x02 /* Outgoin Mailbox Ready */
100 #define IMB_LOADED 0x01 /* Incoming Mailbox loaded */
103 * Definitions for the "undocumented" geometry register
112 #define GEOMETRY_REG 0x03
113 #define DISK0_GEOMETRY 0x03
114 #define DISK1_GEOMETRY 0x0c
115 #define EXTENDED_TRANSLATION 0x80
116 #define GEOMETRY_DISK0(g_reg) (greg & DISK0_GEOMETRY)
117 #define GEOMETRY_DISK1(g_reg) ((greg & DISK1_GEOMETRY) >> 2)
121 * Opcodes for Adapter commands.
125 BOP_TEST_CMDC_INTR = 0x00,
126 BOP_INITIALIZE_24BMBOX = 0x01,
127 BOP_START_MBOX = 0x02,
128 BOP_EXECUTE_BIOS_CMD = 0x03,
129 BOP_INQUIRE_BOARD_ID = 0x04,
130 BOP_ENABLE_OMBR_INT = 0x05,
131 BOP_SET_SEL_TIMOUT = 0x06,
132 BOP_SET_TIME_ON_BUS = 0x07,
133 BOP_SET_TIME_OFF_BUS = 0x08,
134 BOP_SET_BUS_TRANS_RATE = 0x09,
135 BOP_INQUIRE_INST_LDEVS = 0x0A,
136 BOP_INQUIRE_CONFIG = 0x0B,
137 BOP_ENABLE_TARGET_MODE = 0x0C,
138 BOP_INQUIRE_SETUP_INFO = 0x0D,
139 BOP_WRITE_LRAM = 0x1A,
140 BOP_READ_LRAM = 0x1B,
141 BOP_WRITE_CHIP_FIFO = 0x1C,
142 BOP_READ_CHIP_FIFO = 0x1C,
143 BOP_ECHO_DATA_BYTE = 0x1F,
144 BOP_ADAPTER_DIAGNOSTICS = 0x20,
145 BOP_SET_ADAPTER_OPTIONS = 0x21,
146 BOP_INQUIRE_INST_HDEVS = 0x23,
147 BOP_INQUIRE_TARG_DEVS = 0x24,
148 BOP_DISABLE_HAC_INTR = 0x25,
149 BOP_INITIALIZE_32BMBOX = 0x81,
150 BOP_EXECUTE_SCSI_CMD = 0x83,
151 BOP_INQUIRE_FW_VER_3DIG = 0x84,
152 BOP_INQUIRE_FW_VER_4DIG = 0x85,
153 BOP_INQUIRE_PCI_INFO = 0x86,
154 BOP_INQUIRE_MODEL = 0x8B,
155 BOP_TARG_SYNC_INFO = 0x8C,
156 BOP_INQUIRE_ESETUP_INFO = 0x8D,
157 BOP_ENABLE_STRICT_RR = 0x8F,
158 BOP_STORE_LRAM = 0x90,
159 BOP_FETCH_LRAM = 0x91,
160 BOP_SAVE_TO_EEPROM = 0x92,
161 BOP_UPLOAD_AUTO_SCSI = 0x94,
162 BOP_MODIFY_IO_ADDR = 0x95,
163 BOP_SET_CCB_FORMAT = 0x96,
164 BOP_FLASH_ROM_DOWNLOAD = 0x97,
165 BOP_FLASH_WRITE_ENABLE = 0x98,
166 BOP_WRITE_INQ_BUFFER = 0x9A,
167 BOP_READ_INQ_BUFFER = 0x9B,
168 BOP_FLASH_UP_DOWNLOAD = 0xA7,
169 BOP_READ_SCAM_DATA = 0xA8,
170 BOP_WRITE_SCAM_DATA = 0xA9
173 /************** Definitions of Multi-byte commands and responses ************/
177 u_int8_t base_addr[3];
178 } init_24b_mbox_params_t;
182 #define BOARD_TYPE_NON_MCA 0x41
183 #define BOARD_TYPE_MCA 0x42
184 u_int8_t cust_features;
185 #define FEATURES_STANDARD 0x41
186 u_int8_t firmware_rev_major;
187 u_int8_t firmware_rev_minor;
192 } enable_ombr_intr_params_t;
197 u_int8_t timeout[2]; /* timeout in milliseconds */
198 } set_selto_parmas_t;
201 u_int8_t time; /* time in milliseconds (2-15) */
202 } set_timeon_bus_params_t;
205 u_int8_t time; /* time in milliseconds (2-15) */
206 } set_timeoff_bus_params_t;
210 } set_bus_trasfer_rate_params_t;
214 } installed_ldevs_data_t;
218 #define DMA_CHAN_5 0x20
219 #define DMA_CHAN_6 0x40
220 #define DMA_CHAN_7 0x80
233 } target_mode_params_t;
251 u_int8_t initiate_sync : 1,
255 u_int8_t bus_transfer_rate;
256 u_int8_t time_on_bus;
257 u_int8_t time_off_bus;
259 u_int8_t mbox_base_addr[3];
260 targ_syncinfo_t low_syncinfo[8]; /* For fast and ultra, use 8C */
261 u_int8_t low_discinfo;
262 u_int8_t customer_sig;
265 u_int8_t low_wide_allowed;
266 u_int8_t low_wide_active;
267 targ_syncinfo_t high_syncinfo[8];
268 u_int8_t high_discinfo;
269 u_int8_t high_wide_allowed;
270 u_int8_t high_wide_active;
274 u_int8_t phys_addr[3];
275 } write_adapter_lram_params_t;
278 u_int8_t phys_addr[3];
279 } read_adapter_lram_params_t;
282 u_int8_t phys_addr[3];
283 } write_chip_fifo_params_t;
286 u_int8_t phys_addr[3];
287 } read_chip_fifo_params_t;
290 u_int8_t length; /* Excludes this member */
291 u_int8_t low_disc_disable;
292 u_int8_t low_busy_retry_disable;
293 u_int8_t high_disc_disable;
294 u_int8_t high_busy_retry_disable;
295 } set_adapter_options_params_t;
299 } installed_hdevs_data_t;
304 } target_devs_data_t;
308 } enable_hac_interrupt_params_t;
312 u_int8_t base_addr[4];
313 } init_32b_mbox_params_t;
315 typedef u_int8_t fw_ver_3dig_data_t;
317 typedef u_int8_t fw_ver_4dig_data_t;
321 u_int8_t response_len;
322 } fetch_lram_params_t;
324 #define AUTO_SCSI_BYTE_OFFSET 64
326 u_int8_t factory_sig[2];
327 u_int8_t auto_scsi_data_size; /* 2 -> 64 bytes */
328 u_int8_t model_num[6];
329 u_int8_t adapter_ioport;
330 u_int8_t floppy_enabled :1,
335 u_int8_t dma_channel :7,
337 u_int8_t irq_channel :7,
339 u_int8_t dma_trans_rate;
341 u_int8_t low_termination :1,
349 u_int8_t bus_on_delay;
350 u_int8_t bus_off_delay;
351 u_int8_t bios_enabled :1,
359 u_int8_t low_device_enabled;
360 u_int8_t high_device_enabled;
361 u_int8_t low_wide_permitted;
362 u_int8_t high_wide_permitted;
363 u_int8_t low_fast_permitted;
364 u_int8_t high_fast_permitted;
365 u_int8_t low_sync_permitted;
366 u_int8_t high_sync_permitted;
367 u_int8_t low_disc_permitted;
368 u_int8_t high_disc_permitted;
369 u_int8_t low_send_start_unit;
370 u_int8_t high_send_start_unit;
371 u_int8_t low_ignore_in_bios_scan;
372 u_int8_t high_ignore_in_bios_scan;
373 u_int8_t pci_int_pin :2,
379 u_int8_t low_ultra_permitted;
380 u_int8_t high_ultra_permitted;
381 u_int8_t reserved[5];
382 u_int8_t auto_scsi_max_lun;
388 u_int8_t int13_extensions :1,
394 u_int8_t boot_target_id :4,
396 u_int8_t force_dev_scan :1,
398 u_int8_t low_tagged_lun_independance;
399 u_int8_t high_tagged_lun_independance;
400 u_int8_t low_renegotiate_after_cc;
401 u_int8_t high_renegotiate_after_cc;
402 u_int8_t reserverd2[10];
403 u_int8_t manufacturing_diagnotic[2];
404 u_int8_t checksum[2];
413 extern struct bt_isa_port bt_isa_ports[];
415 #define BT_NUM_ISAPORTS 6
431 u_int8_t low_byte_term :1,
442 u_int8_t ascii_model[5]; /* Fifth byte is always 0 */
446 u_int8_t sync_rate[16]; /* Sync in 10ns units */
447 } target_sync_info_data_t;
454 u_int8_t mbox_base[4];
458 floppy_secondary_port :1,
459 burst_mode_enabled :1,
460 level_trigger_ints :1,
462 u_int8_t fw_ver_bytes_2_to_4[3];
463 u_int8_t wide_bus :1,
469 } esetup_info_data_t;
476 /********************** Mail Box definitions *******************************/
479 BMBO_FREE = 0x0, /* MBO intry is free */
480 BMBO_START = 0x1, /* MBO activate entry */
481 BMBO_ABORT = 0x2 /* MBO abort entry */
482 } bt_mbo_action_code_t;
484 typedef struct bt_mbox_out {
486 u_int8_t reserved[3];
487 u_int8_t action_code;
491 BMBI_FREE = 0x0, /* MBI entry is free */
492 BMBI_OK = 0x1, /* completed without error */
493 BMBI_ABORT = 0x2, /* aborted ccb */
494 BMBI_NOT_FOUND = 0x3, /* Tried to abort invalid CCB */
495 BMBI_ERROR = 0x4 /* Completed with error */
496 } bt_mbi_comp_code_t;
498 typedef struct bt_mbox_in {
506 /***************** Compiled Probe Information *******************************/
507 struct bt_probe_info {
512 /****************** Hardware CCB definition *********************************/
514 INITIATOR_CCB = 0x00,
515 INITIATOR_SG_CCB = 0x02,
516 INITIATOR_CCB_WRESID = 0x03,
517 INITIATOR_SG_CCB_WRESID = 0x04,
518 INITIATOR_BUS_DEV_RESET = 0x81
522 BTSTAT_NOERROR = 0x00,
523 BTSTAT_LINKED_CMD_COMPLETE = 0x0A,
524 BTSTAT_LINKED_CMD_FLAG_COMPLETE = 0x0B,
525 BTSTAT_DATAUNDERUN_ERROR = 0x0C,
526 BTSTAT_SELTIMEOUT = 0x11,
527 BTSTAT_DATARUN_ERROR = 0x12,
528 BTSTAT_UNEXPECTED_BUSFREE = 0x13,
529 BTSTAT_INVALID_PHASE = 0x14,
530 BTSTAT_INVALID_ACTION_CODE = 0x15,
531 BTSTAT_INVALID_OPCODE = 0x16,
532 BTSTAT_LINKED_CCB_LUN_MISMATCH = 0x17,
533 BTSTAT_INVALID_CCB_OR_SG_PARAM = 0x1A,
534 BTSTAT_AUTOSENSE_FAILED = 0x1B,
535 BTSTAT_TAGGED_MSG_REJECTED = 0x1C,
536 BTSTAT_UNSUPPORTED_MSG_RECEIVED = 0x1D,
537 BTSTAT_HARDWARE_FAILURE = 0x20,
538 BTSTAT_TARGET_IGNORED_ATN = 0x21,
539 BTSTAT_HA_SCSI_BUS_RESET = 0x22,
540 BTSTAT_OTHER_SCSI_BUS_RESET = 0x23,
541 BTSTAT_INVALID_RECONNECT = 0x24,
542 BTSTAT_HA_BDR = 0x25,
543 BTSTAT_ABORT_QUEUE_GENERATED = 0x26,
544 BTSTAT_HA_SOFTWARE_ERROR = 0x27,
545 BTSTAT_HA_WATCHDOG_ERROR = 0x28,
546 BTSTAT_SCSI_PERROR_DETECTED = 0x30
554 wide_tag_enable :1, /* Wide Lun CCB format */
555 wide_tag_type :2; /* Wide Lun CCB format */
558 int32_t data_len; /* residuals can be negative */
560 u_int8_t reserved[2];
564 u_int8_t target_lun :5,
567 u_int8_t scsi_cdb[12];
568 u_int8_t reserved2[6];
569 u_int32_t sense_addr;
575 BCCB_DEVICE_RESET = 0x2,
576 BCCB_RELEASE_SIMQ = 0x4
581 SLIST_ENTRY(bt_ccb) links;
585 struct callout timer;
587 u_int32_t sg_list_phys;
591 bus_dmamap_t sg_dmamap;
592 bus_addr_t sg_physaddr;
594 SLIST_ENTRY(sg_map_node) links;
599 struct resource *port;
600 struct resource *irq;
601 struct resource *drq;
605 struct cam_path *path;
606 bt_mbox_out_t *cur_outbox;
607 bt_mbox_in_t *cur_inbox;
608 bt_mbox_out_t *last_outbox;
609 bt_mbox_in_t *last_inbox;
610 struct bt_ccb *bt_ccb_array;
611 SLIST_HEAD(,bt_ccb) free_bt_ccbs;
612 LIST_HEAD(,ccb_hdr) pending_ccbs;
614 u_int32_t bt_ccb_physbase;
615 bt_mbox_in_t *in_boxes;
616 bt_mbox_out_t *out_boxes;
617 struct scsi_sense_data *sense_buffers;
618 u_int32_t sense_buffers_physbase;
619 struct bt_ccb *recovery_bccb;
621 bus_dma_tag_t parent_dmat; /*
622 * All dmat's derive from
623 * the dmat defined by our
626 bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */
627 bus_dma_tag_t mailbox_dmat; /* dmat for our mailboxes */
628 bus_dmamap_t mailbox_dmamap;
629 bus_dma_tag_t ccb_dmat; /* dmat for our ccb array */
630 bus_dmamap_t ccb_dmamap;
631 bus_dma_tag_t sg_dmat; /* dmat for our sg segments */
632 bus_dma_tag_t sense_dmat; /* dmat for our sense buffers */
633 bus_dmamap_t sense_dmamap;
634 SLIST_HEAD(, sg_map_node) sg_maps;
635 bus_addr_t mailbox_physbase;
636 bus_addr_t mailbox_addrlimit;
637 u_int num_ccbs; /* Number of CCBs malloc'd */
638 u_int max_ccbs; /* Maximum allocatable CCBs */
641 u_int32_t extended_trans :1,
649 resource_shortage :1,
650 level_trigger_ints:1,
652 u_int16_t tags_permitted;
653 u_int16_t disc_permitted;
654 u_int16_t sync_permitted;
655 u_int16_t fast_permitted;
656 u_int16_t ultra_permitted;
657 u_int16_t wide_permitted;
659 volatile u_int8_t command_cmp;
660 volatile u_int8_t latched_status;
662 char firmware_ver[6];
666 #define BT_TEMP_UNIT 0xFF /* Unit for probes */
667 void bt_init_softc(device_t dev,
668 struct resource *port,
669 struct resource *irq,
670 struct resource *drq);
671 void bt_free_softc(device_t dev);
672 int bt_port_probe(device_t dev,
673 struct bt_probe_info *info);
674 int bt_probe(device_t dev);
675 int bt_fetch_adapter_info(device_t dev);
676 int bt_init(device_t dev);
677 int bt_attach(device_t dev);
678 void bt_intr(void *arg);
679 int bt_check_probed_iop(u_int ioport);
680 void bt_mark_probed_bio(isa_compat_io_t port);
681 void bt_mark_probed_iop(u_int ioport);
682 void bt_find_probe_range(int ioport,
684 int *max_port_index);
686 int bt_iop_from_bio(isa_compat_io_t bio_index);
688 #define DEFAULT_CMD_TIMEOUT 100000 /* 10 sec */
689 int bt_cmd(struct bt_softc *bt, bt_op_t opcode,
690 u_int8_t *params, u_int param_len,
691 u_int8_t *reply_data, u_int reply_len,
694 #define bt_name(bt) device_get_nameunit(bt->dev)
696 #define bt_inb(bt, reg) \
697 bus_read_1((bt)->port, reg)
699 #define bt_outb(bt, reg, value) \
700 bus_write_1((bt)->port, reg, value)