1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | |
4 | Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters |
5 | |
6 | Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com> |
7 | |
8 | |
9 | The author respectfully requests that any modifications to this software be |
10 | sent directly to him for evaluation and testing. |
11 | |
12 | Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose |
13 | advice has been invaluable, to David Gentzel, for writing the original Linux |
14 | BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site. |
15 | |
16 | Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB |
17 | Manager available as freely redistributable source code. |
18 | |
19 | */ |
20 | |
21 | #ifndef _BUSLOGIC_H |
22 | #define _BUSLOGIC_H |
23 | |
24 | |
25 | #ifndef PACKED |
26 | #define PACKED __attribute__((packed)) |
27 | #endif |
28 | |
29 | /* |
30 | Define the maximum number of BusLogic Host Adapters supported by this driver. |
31 | */ |
32 | |
33 | #define BLOGIC_MAX_ADAPTERS 16 |
34 | |
35 | |
36 | /* |
37 | Define the maximum number of Target Devices supported by this driver. |
38 | */ |
39 | |
40 | #define BLOGIC_MAXDEV 16 |
41 | |
42 | |
43 | /* |
44 | Define the maximum number of Scatter/Gather Segments used by this driver. |
45 | For optimal performance, it is important that this limit be at least as |
46 | large as the largest single request generated by the I/O Subsystem. |
47 | */ |
48 | |
49 | #define BLOGIC_SG_LIMIT 128 |
50 | |
51 | |
52 | /* |
53 | Define the maximum, maximum automatic, minimum automatic, and default Queue |
54 | Depth to allow for Target Devices depending on whether or not they support |
55 | Tagged Queuing and whether or not ISA Bounce Buffers are required. |
56 | */ |
57 | |
58 | #define BLOGIC_MAX_TAG_DEPTH 64 |
59 | #define BLOGIC_MAX_AUTO_TAG_DEPTH 28 |
60 | #define BLOGIC_MIN_AUTO_TAG_DEPTH 7 |
61 | #define BLOGIC_TAG_DEPTH_BB 3 |
62 | #define BLOGIC_UNTAG_DEPTH 3 |
63 | #define BLOGIC_UNTAG_DEPTH_BB 2 |
64 | |
65 | |
66 | /* |
67 | Define the default amount of time in seconds to wait between a Host Adapter |
68 | Hard Reset which initiates a SCSI Bus Reset and issuing any SCSI commands. |
69 | Some SCSI devices get confused if they receive SCSI commands too soon after |
70 | a SCSI Bus Reset. |
71 | */ |
72 | |
73 | #define BLOGIC_BUS_SETTLE_TIME 2 |
74 | |
75 | |
76 | /* |
77 | Define the maximum number of Mailboxes that should be used for MultiMaster |
78 | Host Adapters. This number is chosen to be larger than the maximum Host |
79 | Adapter Queue Depth and small enough so that the Host Adapter structure |
80 | does not cross an allocation block size boundary. |
81 | */ |
82 | |
83 | #define BLOGIC_MAX_MAILBOX 211 |
84 | |
85 | |
86 | /* |
87 | Define the number of CCBs that should be allocated as a group to optimize |
88 | Kernel memory allocation. |
89 | */ |
90 | |
91 | #define BLOGIC_CCB_GRP_ALLOCSIZE 7 |
92 | |
93 | |
94 | /* |
95 | Define the Host Adapter Line and Message Buffer Sizes. |
96 | */ |
97 | |
98 | #define BLOGIC_LINEBUF_SIZE 100 |
99 | #define BLOGIC_MSGBUF_SIZE 9700 |
100 | |
101 | |
102 | /* |
103 | Define the Driver Message Levels. |
104 | */ |
105 | |
106 | enum blogic_msglevel { |
107 | BLOGIC_ANNOUNCE_LEVEL = 0, |
108 | BLOGIC_INFO_LEVEL = 1, |
109 | BLOGIC_NOTICE_LEVEL = 2, |
110 | BLOGIC_WARN_LEVEL = 3, |
111 | BLOGIC_ERR_LEVEL = 4 |
112 | }; |
113 | |
114 | static char *blogic_msglevelmap[] = { KERN_NOTICE, KERN_NOTICE, KERN_NOTICE, KERN_WARNING, KERN_ERR }; |
115 | |
116 | |
117 | /* |
118 | Define Driver Message macros. |
119 | */ |
120 | |
121 | #define blogic_announce(format, args...) \ |
122 | blogic_msg(BLOGIC_ANNOUNCE_LEVEL, format, ##args) |
123 | |
124 | #define blogic_info(format, args...) \ |
125 | blogic_msg(BLOGIC_INFO_LEVEL, format, ##args) |
126 | |
127 | #define blogic_notice(format, args...) \ |
128 | blogic_msg(BLOGIC_NOTICE_LEVEL, format, ##args) |
129 | |
130 | #define blogic_warn(format, args...) \ |
131 | blogic_msg(BLOGIC_WARN_LEVEL, format, ##args) |
132 | |
133 | #define blogic_err(format, args...) \ |
134 | blogic_msg(BLOGIC_ERR_LEVEL, format, ##args) |
135 | |
136 | |
137 | /* |
138 | Define the types of BusLogic Host Adapters that are supported and the number |
139 | of I/O Addresses required by each type. |
140 | */ |
141 | |
142 | enum blogic_adapter_type { |
143 | BLOGIC_MULTIMASTER = 1, |
144 | BLOGIC_FLASHPOINT = 2 |
145 | } PACKED; |
146 | |
147 | #define BLOGIC_MULTIMASTER_ADDR_COUNT 4 |
148 | #define BLOGIC_FLASHPOINT_ADDR_COUNT 256 |
149 | |
150 | static int blogic_adapter_addr_count[3] = { 0, BLOGIC_MULTIMASTER_ADDR_COUNT, BLOGIC_FLASHPOINT_ADDR_COUNT }; |
151 | |
152 | |
153 | /* |
154 | Define macros for testing the Host Adapter Type. |
155 | */ |
156 | |
157 | #ifdef CONFIG_SCSI_FLASHPOINT |
158 | |
159 | #define blogic_multimaster_type(adapter) \ |
160 | (adapter->adapter_type == BLOGIC_MULTIMASTER) |
161 | |
162 | #define blogic_flashpoint_type(adapter) \ |
163 | (adapter->adapter_type == BLOGIC_FLASHPOINT) |
164 | |
165 | #else |
166 | |
167 | #define blogic_multimaster_type(adapter) (true) |
168 | #define blogic_flashpoint_type(adapter) (false) |
169 | |
170 | #endif |
171 | |
172 | |
173 | /* |
174 | Define the possible Host Adapter Bus Types. |
175 | */ |
176 | |
177 | enum blogic_adapter_bus_type { |
178 | BLOGIC_UNKNOWN_BUS = 0, |
179 | BLOGIC_ISA_BUS = 1, |
180 | BLOGIC_EISA_BUS = 2, |
181 | BLOGIC_PCI_BUS = 3, |
182 | BLOGIC_VESA_BUS = 4, |
183 | BLOGIC_MCA_BUS = 5 |
184 | } PACKED; |
185 | |
186 | static char *blogic_adapter_busnames[] = { "Unknown" , "ISA" , "EISA" , "PCI" , "VESA" , "MCA" }; |
187 | |
188 | static enum blogic_adapter_bus_type blogic_adater_bus_types[] = { |
189 | BLOGIC_VESA_BUS, /* BT-4xx */ |
190 | BLOGIC_ISA_BUS, /* BT-5xx */ |
191 | BLOGIC_MCA_BUS, /* BT-6xx */ |
192 | BLOGIC_EISA_BUS, /* BT-7xx */ |
193 | BLOGIC_UNKNOWN_BUS, /* BT-8xx */ |
194 | BLOGIC_PCI_BUS /* BT-9xx */ |
195 | }; |
196 | |
197 | /* |
198 | Define the possible Host Adapter BIOS Disk Geometry Translations. |
199 | */ |
200 | |
201 | enum blogic_bios_diskgeometry { |
202 | BLOGIC_BIOS_NODISK = 0, |
203 | BLOGIC_BIOS_DISK64x32 = 1, |
204 | BLOGIC_BIOS_DISK128x32 = 2, |
205 | BLOGIC_BIOS_DISK255x63 = 3 |
206 | } PACKED; |
207 | |
208 | |
209 | /* |
210 | Define a 10^18 Statistics Byte Counter data type. |
211 | */ |
212 | |
213 | struct blogic_byte_count { |
214 | unsigned int units; |
215 | unsigned int billions; |
216 | }; |
217 | |
218 | |
219 | /* |
220 | Define the structure for I/O Address and Bus Probing Information. |
221 | */ |
222 | |
223 | struct blogic_probeinfo { |
224 | enum blogic_adapter_type adapter_type; |
225 | enum blogic_adapter_bus_type adapter_bus_type; |
226 | unsigned long io_addr; |
227 | unsigned long pci_addr; |
228 | struct pci_dev *pci_device; |
229 | unsigned char bus; |
230 | unsigned char dev; |
231 | unsigned char irq_ch; |
232 | }; |
233 | |
234 | /* |
235 | Define the Probe Options. |
236 | */ |
237 | |
238 | struct blogic_probe_options { |
239 | bool noprobe:1; /* Bit 0 */ |
240 | bool noprobe_pci:1; /* Bit 2 */ |
241 | bool nosort_pci:1; /* Bit 3 */ |
242 | bool multimaster_first:1; /* Bit 4 */ |
243 | bool flashpoint_first:1; /* Bit 5 */ |
244 | }; |
245 | |
246 | /* |
247 | Define the Global Options. |
248 | */ |
249 | |
250 | struct blogic_global_options { |
251 | bool trace_probe:1; /* Bit 0 */ |
252 | bool trace_hw_reset:1; /* Bit 1 */ |
253 | bool trace_config:1; /* Bit 2 */ |
254 | bool trace_err:1; /* Bit 3 */ |
255 | }; |
256 | |
257 | /* |
258 | Define the BusLogic SCSI Host Adapter I/O Register Offsets. |
259 | */ |
260 | |
261 | #define BLOGIC_CNTRL_REG 0 /* WO register */ |
262 | #define BLOGIC_STATUS_REG 0 /* RO register */ |
263 | #define BLOGIC_CMD_PARM_REG 1 /* WO register */ |
264 | #define BLOGIC_DATAIN_REG 1 /* RO register */ |
265 | #define BLOGIC_INT_REG 2 /* RO register */ |
266 | #define BLOGIC_GEOMETRY_REG 3 /* RO register */ |
267 | |
268 | /* |
269 | Define the structure of the write-only Control Register. |
270 | */ |
271 | |
272 | union blogic_cntrl_reg { |
273 | unsigned char all; |
274 | struct { |
275 | unsigned char:4; /* Bits 0-3 */ |
276 | bool bus_reset:1; /* Bit 4 */ |
277 | bool int_reset:1; /* Bit 5 */ |
278 | bool soft_reset:1; /* Bit 6 */ |
279 | bool hard_reset:1; /* Bit 7 */ |
280 | } cr; |
281 | }; |
282 | |
283 | /* |
284 | Define the structure of the read-only Status Register. |
285 | */ |
286 | |
287 | union blogic_stat_reg { |
288 | unsigned char all; |
289 | struct { |
290 | bool cmd_invalid:1; /* Bit 0 */ |
291 | bool rsvd:1; /* Bit 1 */ |
292 | bool datain_ready:1; /* Bit 2 */ |
293 | bool cmd_param_busy:1; /* Bit 3 */ |
294 | bool adapter_ready:1; /* Bit 4 */ |
295 | bool init_reqd:1; /* Bit 5 */ |
296 | bool diag_failed:1; /* Bit 6 */ |
297 | bool diag_active:1; /* Bit 7 */ |
298 | } sr; |
299 | }; |
300 | |
301 | /* |
302 | Define the structure of the read-only Interrupt Register. |
303 | */ |
304 | |
305 | union blogic_int_reg { |
306 | unsigned char all; |
307 | struct { |
308 | bool mailin_loaded:1; /* Bit 0 */ |
309 | bool mailout_avail:1; /* Bit 1 */ |
310 | bool cmd_complete:1; /* Bit 2 */ |
311 | bool ext_busreset:1; /* Bit 3 */ |
312 | unsigned char rsvd:3; /* Bits 4-6 */ |
313 | bool int_valid:1; /* Bit 7 */ |
314 | } ir; |
315 | }; |
316 | |
317 | /* |
318 | Define the structure of the read-only Geometry Register. |
319 | */ |
320 | |
321 | union blogic_geo_reg { |
322 | unsigned char all; |
323 | struct { |
324 | enum blogic_bios_diskgeometry d0_geo:2; /* Bits 0-1 */ |
325 | enum blogic_bios_diskgeometry d1_geo:2; /* Bits 2-3 */ |
326 | unsigned char:3; /* Bits 4-6 */ |
327 | bool ext_trans_enable:1; /* Bit 7 */ |
328 | } gr; |
329 | }; |
330 | |
331 | /* |
332 | Define the BusLogic SCSI Host Adapter Command Register Operation Codes. |
333 | */ |
334 | |
335 | enum blogic_opcode { |
336 | BLOGIC_TEST_CMP_COMPLETE = 0x00, |
337 | BLOGIC_INIT_MBOX = 0x01, |
338 | BLOGIC_EXEC_MBOX_CMD = 0x02, |
339 | BLOGIC_EXEC_BIOS_CMD = 0x03, |
340 | BLOGIC_GET_BOARD_ID = 0x04, |
341 | BLOGIC_ENABLE_OUTBOX_AVAIL_INT = 0x05, |
342 | BLOGIC_SET_SELECT_TIMEOUT = 0x06, |
343 | BLOGIC_SET_PREEMPT_TIME = 0x07, |
344 | BLOGIC_SET_TIMEOFF_BUS = 0x08, |
345 | BLOGIC_SET_TXRATE = 0x09, |
346 | BLOGIC_INQ_DEV0TO7 = 0x0A, |
347 | BLOGIC_INQ_CONFIG = 0x0B, |
348 | BLOGIC_TGT_MODE = 0x0C, |
349 | BLOGIC_INQ_SETUPINFO = 0x0D, |
350 | BLOGIC_WRITE_LOCALRAM = 0x1A, |
351 | BLOGIC_READ_LOCALRAM = 0x1B, |
352 | BLOGIC_WRITE_BUSMASTER_FIFO = 0x1C, |
353 | BLOGIC_READ_BUSMASTER_FIFO = 0x1D, |
354 | BLOGIC_ECHO_CMDDATA = 0x1F, |
355 | BLOGIC_ADAPTER_DIAG = 0x20, |
356 | BLOGIC_SET_OPTIONS = 0x21, |
357 | BLOGIC_INQ_DEV8TO15 = 0x23, |
358 | BLOGIC_INQ_DEV = 0x24, |
359 | BLOGIC_DISABLE_INT = 0x25, |
360 | BLOGIC_INIT_EXT_MBOX = 0x81, |
361 | BLOGIC_EXEC_SCS_CMD = 0x83, |
362 | BLOGIC_INQ_FWVER_D3 = 0x84, |
363 | BLOGIC_INQ_FWVER_LETTER = 0x85, |
364 | BLOGIC_INQ_PCI_INFO = 0x86, |
365 | BLOGIC_INQ_MODELNO = 0x8B, |
366 | BLOGIC_INQ_SYNC_PERIOD = 0x8C, |
367 | BLOGIC_INQ_EXTSETUP = 0x8D, |
368 | BLOGIC_STRICT_RR = 0x8F, |
369 | BLOGIC_STORE_LOCALRAM = 0x90, |
370 | BLOGIC_FETCH_LOCALRAM = 0x91, |
371 | BLOGIC_STORE_TO_EEPROM = 0x92, |
372 | BLOGIC_LOAD_AUTOSCSICODE = 0x94, |
373 | BLOGIC_MOD_IOADDR = 0x95, |
374 | BLOGIC_SETCCB_FMT = 0x96, |
375 | BLOGIC_WRITE_INQBUF = 0x9A, |
376 | BLOGIC_READ_INQBUF = 0x9B, |
377 | BLOGIC_FLASH_LOAD = 0xA7, |
378 | BLOGIC_READ_SCAMDATA = 0xA8, |
379 | BLOGIC_WRITE_SCAMDATA = 0xA9 |
380 | }; |
381 | |
382 | /* |
383 | Define the Inquire Board ID reply structure. |
384 | */ |
385 | |
386 | struct blogic_board_id { |
387 | unsigned char type; /* Byte 0 */ |
388 | unsigned char custom_features; /* Byte 1 */ |
389 | unsigned char fw_ver_digit1; /* Byte 2 */ |
390 | unsigned char fw_ver_digit2; /* Byte 3 */ |
391 | }; |
392 | |
393 | /* |
394 | Define the Inquire Configuration reply structure. |
395 | */ |
396 | |
397 | struct blogic_config { |
398 | unsigned char:5; /* Byte 0 Bits 0-4 */ |
399 | bool dma_ch5:1; /* Byte 0 Bit 5 */ |
400 | bool dma_ch6:1; /* Byte 0 Bit 6 */ |
401 | bool dma_ch7:1; /* Byte 0 Bit 7 */ |
402 | bool irq_ch9:1; /* Byte 1 Bit 0 */ |
403 | bool irq_ch10:1; /* Byte 1 Bit 1 */ |
404 | bool irq_ch11:1; /* Byte 1 Bit 2 */ |
405 | bool irq_ch12:1; /* Byte 1 Bit 3 */ |
406 | unsigned char:1; /* Byte 1 Bit 4 */ |
407 | bool irq_ch14:1; /* Byte 1 Bit 5 */ |
408 | bool irq_ch15:1; /* Byte 1 Bit 6 */ |
409 | unsigned char:1; /* Byte 1 Bit 7 */ |
410 | unsigned char id:4; /* Byte 2 Bits 0-3 */ |
411 | unsigned char:4; /* Byte 2 Bits 4-7 */ |
412 | }; |
413 | |
414 | /* |
415 | Define the Inquire Setup Information reply structure. |
416 | */ |
417 | |
418 | struct blogic_syncval { |
419 | unsigned char offset:4; /* Bits 0-3 */ |
420 | unsigned char tx_period:3; /* Bits 4-6 */ |
421 | bool sync:1; /* Bit 7 */ |
422 | }; |
423 | |
424 | struct blogic_setup_info { |
425 | bool sync:1; /* Byte 0 Bit 0 */ |
426 | bool parity:1; /* Byte 0 Bit 1 */ |
427 | unsigned char:6; /* Byte 0 Bits 2-7 */ |
428 | unsigned char tx_rate; /* Byte 1 */ |
429 | unsigned char preempt_time; /* Byte 2 */ |
430 | unsigned char timeoff_bus; /* Byte 3 */ |
431 | unsigned char mbox_count; /* Byte 4 */ |
432 | unsigned char mbox_addr[3]; /* Bytes 5-7 */ |
433 | struct blogic_syncval sync0to7[8]; /* Bytes 8-15 */ |
434 | unsigned char disconnect_ok0to7; /* Byte 16 */ |
435 | unsigned char sig; /* Byte 17 */ |
436 | unsigned char char_d; /* Byte 18 */ |
437 | unsigned char bus_type; /* Byte 19 */ |
438 | unsigned char wide_tx_ok0to7; /* Byte 20 */ |
439 | unsigned char wide_tx_active0to7; /* Byte 21 */ |
440 | struct blogic_syncval sync8to15[8]; /* Bytes 22-29 */ |
441 | unsigned char disconnect_ok8to15; /* Byte 30 */ |
442 | unsigned char:8; /* Byte 31 */ |
443 | unsigned char wide_tx_ok8to15; /* Byte 32 */ |
444 | unsigned char wide_tx_active8to15; /* Byte 33 */ |
445 | }; |
446 | |
447 | /* |
448 | Define the Initialize Extended Mailbox request structure. |
449 | */ |
450 | |
451 | struct blogic_extmbox_req { |
452 | unsigned char mbox_count; /* Byte 0 */ |
453 | u32 base_mbox_addr; /* Bytes 1-4 */ |
454 | } PACKED; |
455 | |
456 | |
457 | /* |
458 | Define the Inquire PCI Host Adapter Information reply type. The ISA |
459 | Compatible I/O Port values are defined here and are also used with |
460 | the Modify I/O Address command. |
461 | */ |
462 | |
463 | enum blogic_isa_ioport { |
464 | BLOGIC_IO_330 = 0, |
465 | BLOGIC_IO_334 = 1, |
466 | BLOGIC_IO_230 = 2, |
467 | BLOGIC_IO_234 = 3, |
468 | BLOGIC_IO_130 = 4, |
469 | BLOGIC_IO_134 = 5, |
470 | BLOGIC_IO_DISABLE = 6, |
471 | BLOGIC_IO_DISABLE2 = 7 |
472 | } PACKED; |
473 | |
474 | struct blogic_adapter_info { |
475 | enum blogic_isa_ioport isa_port; /* Byte 0 */ |
476 | unsigned char irq_ch; /* Byte 1 */ |
477 | bool low_term:1; /* Byte 2 Bit 0 */ |
478 | bool high_term:1; /* Byte 2 Bit 1 */ |
479 | unsigned char:2; /* Byte 2 Bits 2-3 */ |
480 | bool JP1:1; /* Byte 2 Bit 4 */ |
481 | bool JP2:1; /* Byte 2 Bit 5 */ |
482 | bool JP3:1; /* Byte 2 Bit 6 */ |
483 | bool genericinfo_valid:1; /* Byte 2 Bit 7 */ |
484 | unsigned char:8; /* Byte 3 */ |
485 | }; |
486 | |
487 | /* |
488 | Define the Inquire Extended Setup Information reply structure. |
489 | */ |
490 | |
491 | struct blogic_ext_setup { |
492 | unsigned char bus_type; /* Byte 0 */ |
493 | unsigned char bios_addr; /* Byte 1 */ |
494 | unsigned short sg_limit; /* Bytes 2-3 */ |
495 | unsigned char mbox_count; /* Byte 4 */ |
496 | u32 base_mbox_addr; /* Bytes 5-8 */ |
497 | struct { |
498 | unsigned char:2; /* Byte 9 Bits 0-1 */ |
499 | bool fast_on_eisa:1; /* Byte 9 Bit 2 */ |
500 | unsigned char:3; /* Byte 9 Bits 3-5 */ |
501 | bool level_int:1; /* Byte 9 Bit 6 */ |
502 | unsigned char:1; /* Byte 9 Bit 7 */ |
503 | } misc; |
504 | unsigned char fw_rev[3]; /* Bytes 10-12 */ |
505 | bool wide:1; /* Byte 13 Bit 0 */ |
506 | bool differential:1; /* Byte 13 Bit 1 */ |
507 | bool scam:1; /* Byte 13 Bit 2 */ |
508 | bool ultra:1; /* Byte 13 Bit 3 */ |
509 | bool smart_term:1; /* Byte 13 Bit 4 */ |
510 | unsigned char:3; /* Byte 13 Bits 5-7 */ |
511 | } PACKED; |
512 | |
513 | /* |
514 | Define the Enable Strict Round Robin Mode request type. |
515 | */ |
516 | |
517 | enum blogic_rr_req { |
518 | BLOGIC_AGGRESSIVE_RR = 0, |
519 | BLOGIC_STRICT_RR_MODE = 1 |
520 | } PACKED; |
521 | |
522 | |
523 | /* |
524 | Define the Fetch Host Adapter Local RAM request type. |
525 | */ |
526 | |
527 | #define BLOGIC_BIOS_BASE 0 |
528 | #define BLOGIC_AUTOSCSI_BASE 64 |
529 | |
530 | struct blogic_fetch_localram { |
531 | unsigned char offset; /* Byte 0 */ |
532 | unsigned char count; /* Byte 1 */ |
533 | }; |
534 | |
535 | /* |
536 | Define the Host Adapter Local RAM AutoSCSI structure. |
537 | */ |
538 | |
539 | struct blogic_autoscsi { |
540 | unsigned char factory_sig[2]; /* Bytes 0-1 */ |
541 | unsigned char info_bytes; /* Byte 2 */ |
542 | unsigned char adapter_type[6]; /* Bytes 3-8 */ |
543 | unsigned char:8; /* Byte 9 */ |
544 | bool floppy:1; /* Byte 10 Bit 0 */ |
545 | bool floppy_sec:1; /* Byte 10 Bit 1 */ |
546 | bool level_int:1; /* Byte 10 Bit 2 */ |
547 | unsigned char:2; /* Byte 10 Bits 3-4 */ |
548 | unsigned char systemram_bios:3; /* Byte 10 Bits 5-7 */ |
549 | unsigned char dma_ch:7; /* Byte 11 Bits 0-6 */ |
550 | bool dma_autoconf:1; /* Byte 11 Bit 7 */ |
551 | unsigned char irq_ch:7; /* Byte 12 Bits 0-6 */ |
552 | bool irq_autoconf:1; /* Byte 12 Bit 7 */ |
553 | unsigned char dma_tx_rate; /* Byte 13 */ |
554 | unsigned char scsi_id; /* Byte 14 */ |
555 | bool low_term:1; /* Byte 15 Bit 0 */ |
556 | bool parity:1; /* Byte 15 Bit 1 */ |
557 | bool high_term:1; /* Byte 15 Bit 2 */ |
558 | bool noisy_cable:1; /* Byte 15 Bit 3 */ |
559 | bool fast_sync_neg:1; /* Byte 15 Bit 4 */ |
560 | bool reset_enabled:1; /* Byte 15 Bit 5 */ |
561 | bool:1; /* Byte 15 Bit 6 */ |
562 | bool active_negation:1; /* Byte 15 Bit 7 */ |
563 | unsigned char bus_on_delay; /* Byte 16 */ |
564 | unsigned char bus_off_delay; /* Byte 17 */ |
565 | bool bios_enabled:1; /* Byte 18 Bit 0 */ |
566 | bool int19_redir_enabled:1; /* Byte 18 Bit 1 */ |
567 | bool ext_trans_enable:1; /* Byte 18 Bit 2 */ |
568 | bool removable_as_fixed:1; /* Byte 18 Bit 3 */ |
569 | bool:1; /* Byte 18 Bit 4 */ |
570 | bool morethan2_drives:1; /* Byte 18 Bit 5 */ |
571 | bool bios_int:1; /* Byte 18 Bit 6 */ |
572 | bool floptical:1; /* Byte 19 Bit 7 */ |
573 | unsigned short dev_enabled; /* Bytes 19-20 */ |
574 | unsigned short wide_ok; /* Bytes 21-22 */ |
575 | unsigned short fast_ok; /* Bytes 23-24 */ |
576 | unsigned short sync_ok; /* Bytes 25-26 */ |
577 | unsigned short discon_ok; /* Bytes 27-28 */ |
578 | unsigned short send_start_unit; /* Bytes 29-30 */ |
579 | unsigned short ignore_bios_scan; /* Bytes 31-32 */ |
580 | unsigned char pci_int_pin:2; /* Byte 33 Bits 0-1 */ |
581 | unsigned char adapter_ioport:2; /* Byte 33 Bits 2-3 */ |
582 | bool strict_rr_enabled:1; /* Byte 33 Bit 4 */ |
583 | bool vesabus_33mhzplus:1; /* Byte 33 Bit 5 */ |
584 | bool vesa_burst_write:1; /* Byte 33 Bit 6 */ |
585 | bool vesa_burst_read:1; /* Byte 33 Bit 7 */ |
586 | unsigned short ultra_ok; /* Bytes 34-35 */ |
587 | unsigned int:32; /* Bytes 36-39 */ |
588 | unsigned char:8; /* Byte 40 */ |
589 | unsigned char autoscsi_maxlun; /* Byte 41 */ |
590 | bool:1; /* Byte 42 Bit 0 */ |
591 | bool scam_dominant:1; /* Byte 42 Bit 1 */ |
592 | bool scam_enabled:1; /* Byte 42 Bit 2 */ |
593 | bool scam_lev2:1; /* Byte 42 Bit 3 */ |
594 | unsigned char:4; /* Byte 42 Bits 4-7 */ |
595 | bool int13_exten:1; /* Byte 43 Bit 0 */ |
596 | bool:1; /* Byte 43 Bit 1 */ |
597 | bool cd_boot:1; /* Byte 43 Bit 2 */ |
598 | unsigned char:5; /* Byte 43 Bits 3-7 */ |
599 | unsigned char boot_id:4; /* Byte 44 Bits 0-3 */ |
600 | unsigned char boot_ch:4; /* Byte 44 Bits 4-7 */ |
601 | unsigned char force_scan_order:1; /* Byte 45 Bit 0 */ |
602 | unsigned char:7; /* Byte 45 Bits 1-7 */ |
603 | unsigned short nontagged_to_alt_ok; /* Bytes 46-47 */ |
604 | unsigned short reneg_sync_on_check; /* Bytes 48-49 */ |
605 | unsigned char rsvd[10]; /* Bytes 50-59 */ |
606 | unsigned char manuf_diag[2]; /* Bytes 60-61 */ |
607 | unsigned short cksum; /* Bytes 62-63 */ |
608 | } PACKED; |
609 | |
610 | /* |
611 | Define the Host Adapter Local RAM Auto SCSI Byte 45 structure. |
612 | */ |
613 | |
614 | struct blogic_autoscsi_byte45 { |
615 | unsigned char force_scan_order:1; /* Bit 0 */ |
616 | unsigned char:7; /* Bits 1-7 */ |
617 | }; |
618 | |
619 | /* |
620 | Define the Host Adapter Local RAM BIOS Drive Map Byte structure. |
621 | */ |
622 | |
623 | #define BLOGIC_BIOS_DRVMAP 17 |
624 | |
625 | struct blogic_bios_drvmap { |
626 | unsigned char tgt_idbit3:1; /* Bit 0 */ |
627 | unsigned char:2; /* Bits 1-2 */ |
628 | enum blogic_bios_diskgeometry diskgeom:2; /* Bits 3-4 */ |
629 | unsigned char tgt_id:3; /* Bits 5-7 */ |
630 | }; |
631 | |
632 | /* |
633 | Define the Set CCB Format request type. Extended LUN Format CCBs are |
634 | necessary to support more than 8 Logical Units per Target Device. |
635 | */ |
636 | |
637 | enum blogic_setccb_fmt { |
638 | BLOGIC_LEGACY_LUN_CCB = 0, |
639 | BLOGIC_EXT_LUN_CCB = 1 |
640 | } PACKED; |
641 | |
642 | /* |
643 | Define the Outgoing Mailbox Action Codes. |
644 | */ |
645 | |
646 | enum blogic_action { |
647 | BLOGIC_OUTBOX_FREE = 0x00, |
648 | BLOGIC_MBOX_START = 0x01, |
649 | BLOGIC_MBOX_ABORT = 0x02 |
650 | } PACKED; |
651 | |
652 | |
653 | /* |
654 | Define the Incoming Mailbox Completion Codes. The MultiMaster Firmware |
655 | only uses codes 0 - 4. The FlashPoint SCCB Manager has no mailboxes, so |
656 | completion codes are stored in the CCB; it only uses codes 1, 2, 4, and 5. |
657 | */ |
658 | |
659 | enum blogic_cmplt_code { |
660 | BLOGIC_INBOX_FREE = 0x00, |
661 | BLOGIC_CMD_COMPLETE_GOOD = 0x01, |
662 | BLOGIC_CMD_ABORT_BY_HOST = 0x02, |
663 | BLOGIC_CMD_NOTFOUND = 0x03, |
664 | BLOGIC_CMD_COMPLETE_ERROR = 0x04, |
665 | BLOGIC_INVALID_CCB = 0x05 |
666 | } PACKED; |
667 | |
668 | /* |
669 | Define the Command Control Block (CCB) Opcodes. |
670 | */ |
671 | |
672 | enum blogic_ccb_opcode { |
673 | BLOGIC_INITIATOR_CCB = 0x00, |
674 | BLOGIC_TGT_CCB = 0x01, |
675 | BLOGIC_INITIATOR_CCB_SG = 0x02, |
676 | BLOGIC_INITIATOR_CCBB_RESIDUAL = 0x03, |
677 | BLOGIC_INITIATOR_CCB_SG_RESIDUAL = 0x04, |
678 | BLOGIC_BDR = 0x81 |
679 | } PACKED; |
680 | |
681 | |
682 | /* |
683 | Define the CCB Data Direction Codes. |
684 | */ |
685 | |
686 | enum blogic_datadir { |
687 | BLOGIC_UNCHECKED_TX = 0, |
688 | BLOGIC_DATAIN_CHECKED = 1, |
689 | BLOGIC_DATAOUT_CHECKED = 2, |
690 | BLOGIC_NOTX = 3 |
691 | }; |
692 | |
693 | |
694 | /* |
695 | Define the Host Adapter Status Codes. The MultiMaster Firmware does not |
696 | return status code 0x0C; it uses 0x12 for both overruns and underruns. |
697 | */ |
698 | |
699 | enum blogic_adapter_status { |
700 | BLOGIC_CMD_CMPLT_NORMAL = 0x00, |
701 | BLOGIC_LINK_CMD_CMPLT = 0x0A, |
702 | BLOGIC_LINK_CMD_CMPLT_FLAG = 0x0B, |
703 | BLOGIC_DATA_UNDERRUN = 0x0C, |
704 | BLOGIC_SELECT_TIMEOUT = 0x11, |
705 | BLOGIC_DATA_OVERRUN = 0x12, |
706 | BLOGIC_NOEXPECT_BUSFREE = 0x13, |
707 | BLOGIC_INVALID_BUSPHASE = 0x14, |
708 | BLOGIC_INVALID_OUTBOX_CODE = 0x15, |
709 | BLOGIC_INVALID_CMD_CODE = 0x16, |
710 | BLOGIC_LINKCCB_BADLUN = 0x17, |
711 | BLOGIC_BAD_CMD_PARAM = 0x1A, |
712 | BLOGIC_AUTOREQSENSE_FAIL = 0x1B, |
713 | BLOGIC_TAGQUEUE_REJECT = 0x1C, |
714 | BLOGIC_BAD_MSG_RCVD = 0x1D, |
715 | BLOGIC_HW_FAIL = 0x20, |
716 | BLOGIC_NORESPONSE_TO_ATN = 0x21, |
717 | BLOGIC_HW_RESET = 0x22, |
718 | BLOGIC_RST_FROM_OTHERDEV = 0x23, |
719 | BLOGIC_BAD_RECONNECT = 0x24, |
720 | BLOGIC_HW_BDR = 0x25, |
721 | BLOGIC_ABRT_QUEUE = 0x26, |
722 | BLOGIC_ADAPTER_SW_ERROR = 0x27, |
723 | BLOGIC_HW_TIMEOUT = 0x30, |
724 | BLOGIC_PARITY_ERR = 0x34 |
725 | } PACKED; |
726 | |
727 | |
728 | /* |
729 | Define the SCSI Target Device Status Codes. |
730 | */ |
731 | |
732 | enum blogic_tgt_status { |
733 | BLOGIC_OP_GOOD = 0x00, |
734 | BLOGIC_CHECKCONDITION = 0x02, |
735 | BLOGIC_DEVBUSY = 0x08 |
736 | } PACKED; |
737 | |
738 | /* |
739 | Define the Queue Tag Codes. |
740 | */ |
741 | |
742 | enum blogic_queuetag { |
743 | BLOGIC_SIMPLETAG = 0, |
744 | BLOGIC_HEADTAG = 1, |
745 | BLOGIC_ORDEREDTAG = 2, |
746 | BLOGIC_RSVDTAG = 3 |
747 | }; |
748 | |
749 | /* |
750 | Define the SCSI Command Descriptor Block (CDB). |
751 | */ |
752 | |
753 | #define BLOGIC_CDB_MAXLEN 12 |
754 | |
755 | |
756 | /* |
757 | Define the Scatter/Gather Segment structure required by the MultiMaster |
758 | Firmware Interface and the FlashPoint SCCB Manager. |
759 | */ |
760 | |
761 | struct blogic_sg_seg { |
762 | u32 segbytes; /* Bytes 0-3 */ |
763 | u32 segdata; /* Bytes 4-7 */ |
764 | }; |
765 | |
766 | /* |
767 | Define the Driver CCB Status Codes. |
768 | */ |
769 | |
770 | enum blogic_ccb_status { |
771 | BLOGIC_CCB_FREE = 0, |
772 | BLOGIC_CCB_ACTIVE = 1, |
773 | BLOGIC_CCB_COMPLETE = 2, |
774 | BLOGIC_CCB_RESET = 3 |
775 | } PACKED; |
776 | |
777 | |
778 | /* |
779 | Define the 32 Bit Mode Command Control Block (CCB) structure. The first 40 |
780 | bytes are defined by and common to both the MultiMaster Firmware and the |
781 | FlashPoint SCCB Manager. The next 60 bytes are defined by the FlashPoint |
782 | SCCB Manager. The remaining components are defined by the Linux BusLogic |
783 | Driver. Extended LUN Format CCBs differ from Legacy LUN Format 32 Bit Mode |
784 | CCBs only in having the TagEnable and QueueTag fields moved from byte 17 to |
785 | byte 1, and the Logical Unit field in byte 17 expanded to 6 bits. In theory, |
786 | Extended LUN Format CCBs can support up to 64 Logical Units, but in practice |
787 | many devices will respond improperly to Logical Units between 32 and 63, and |
788 | the SCSI-2 specification defines Bit 5 as LUNTAR. Extended LUN Format CCBs |
789 | are used by recent versions of the MultiMaster Firmware, as well as by the |
790 | FlashPoint SCCB Manager; the FlashPoint SCCB Manager only supports 32 Logical |
791 | Units. Since 64 Logical Units are unlikely to be needed in practice, and |
792 | since they are problematic for the above reasons, and since limiting them to |
793 | 5 bits simplifies the CCB structure definition, this driver only supports |
794 | 32 Logical Units per Target Device. |
795 | */ |
796 | |
797 | struct blogic_ccb { |
798 | /* |
799 | MultiMaster Firmware and FlashPoint SCCB Manager Common Portion. |
800 | */ |
801 | enum blogic_ccb_opcode opcode; /* Byte 0 */ |
802 | unsigned char:3; /* Byte 1 Bits 0-2 */ |
803 | enum blogic_datadir datadir:2; /* Byte 1 Bits 3-4 */ |
804 | bool tag_enable:1; /* Byte 1 Bit 5 */ |
805 | enum blogic_queuetag queuetag:2; /* Byte 1 Bits 6-7 */ |
806 | unsigned char cdblen; /* Byte 2 */ |
807 | unsigned char sense_datalen; /* Byte 3 */ |
808 | u32 datalen; /* Bytes 4-7 */ |
809 | u32 data; /* Bytes 8-11 */ |
810 | unsigned char:8; /* Byte 12 */ |
811 | unsigned char:8; /* Byte 13 */ |
812 | enum blogic_adapter_status adapter_status; /* Byte 14 */ |
813 | enum blogic_tgt_status tgt_status; /* Byte 15 */ |
814 | unsigned char tgt_id; /* Byte 16 */ |
815 | unsigned char lun:5; /* Byte 17 Bits 0-4 */ |
816 | bool legacytag_enable:1; /* Byte 17 Bit 5 */ |
817 | enum blogic_queuetag legacy_tag:2; /* Byte 17 Bits 6-7 */ |
818 | unsigned char cdb[BLOGIC_CDB_MAXLEN]; /* Bytes 18-29 */ |
819 | unsigned char:8; /* Byte 30 */ |
820 | unsigned char:8; /* Byte 31 */ |
821 | u32 rsvd_int; /* Bytes 32-35 */ |
822 | u32 sensedata; /* Bytes 36-39 */ |
823 | /* |
824 | FlashPoint SCCB Manager Defined Portion. |
825 | */ |
826 | void (*callback) (struct blogic_ccb *); /* Bytes 40-43 */ |
827 | u32 base_addr; /* Bytes 44-47 */ |
828 | enum blogic_cmplt_code comp_code; /* Byte 48 */ |
829 | #ifdef CONFIG_SCSI_FLASHPOINT |
830 | unsigned char:8; /* Byte 49 */ |
831 | u16 os_flags; /* Bytes 50-51 */ |
832 | unsigned char private[24]; /* Bytes 52-99 */ |
833 | void *rsvd1; |
834 | void *rsvd2; |
835 | unsigned char private2[16]; |
836 | #endif |
837 | /* |
838 | BusLogic Linux Driver Defined Portion. |
839 | */ |
840 | dma_addr_t allocgrp_head; |
841 | unsigned int allocgrp_size; |
842 | u32 dma_handle; |
843 | enum blogic_ccb_status status; |
844 | unsigned long serial; |
845 | struct scsi_cmnd *command; |
846 | struct blogic_adapter *adapter; |
847 | struct blogic_ccb *next; |
848 | struct blogic_ccb *next_all; |
849 | struct blogic_sg_seg sglist[BLOGIC_SG_LIMIT]; |
850 | }; |
851 | |
852 | /* |
853 | Define the 32 Bit Mode Outgoing Mailbox structure. |
854 | */ |
855 | |
856 | struct blogic_outbox { |
857 | u32 ccb; /* Bytes 0-3 */ |
858 | u32:24; /* Bytes 4-6 */ |
859 | enum blogic_action action; /* Byte 7 */ |
860 | }; |
861 | |
862 | /* |
863 | Define the 32 Bit Mode Incoming Mailbox structure. |
864 | */ |
865 | |
866 | struct blogic_inbox { |
867 | u32 ccb; /* Bytes 0-3 */ |
868 | enum blogic_adapter_status adapter_status; /* Byte 4 */ |
869 | enum blogic_tgt_status tgt_status; /* Byte 5 */ |
870 | unsigned char:8; /* Byte 6 */ |
871 | enum blogic_cmplt_code comp_code; /* Byte 7 */ |
872 | }; |
873 | |
874 | |
875 | /* |
876 | Define the BusLogic Driver Options structure. |
877 | */ |
878 | |
879 | struct blogic_drvr_options { |
880 | unsigned short tagq_ok; |
881 | unsigned short tagq_ok_mask; |
882 | unsigned short bus_settle_time; |
883 | unsigned short stop_tgt_inquiry; |
884 | unsigned char common_qdepth; |
885 | unsigned char qdepth[BLOGIC_MAXDEV]; |
886 | }; |
887 | |
888 | /* |
889 | Define the Host Adapter Target Flags structure. |
890 | */ |
891 | |
892 | struct blogic_tgt_flags { |
893 | bool tgt_exists:1; |
894 | bool tagq_ok:1; |
895 | bool wide_ok:1; |
896 | bool tagq_active:1; |
897 | bool wide_active:1; |
898 | bool cmd_good:1; |
899 | bool tgt_info_in:1; |
900 | }; |
901 | |
902 | /* |
903 | Define the Host Adapter Target Statistics structure. |
904 | */ |
905 | |
906 | #define BLOGIC_SZ_BUCKETS 10 |
907 | |
908 | struct blogic_tgt_stats { |
909 | unsigned int cmds_tried; |
910 | unsigned int cmds_complete; |
911 | unsigned int read_cmds; |
912 | unsigned int write_cmds; |
913 | struct blogic_byte_count bytesread; |
914 | struct blogic_byte_count byteswritten; |
915 | unsigned int read_sz_buckets[BLOGIC_SZ_BUCKETS]; |
916 | unsigned int write_sz_buckets[BLOGIC_SZ_BUCKETS]; |
917 | unsigned short aborts_request; |
918 | unsigned short aborts_tried; |
919 | unsigned short aborts_done; |
920 | unsigned short bdr_request; |
921 | unsigned short bdr_tried; |
922 | unsigned short bdr_done; |
923 | unsigned short adapter_reset_req; |
924 | unsigned short adapter_reset_attempt; |
925 | unsigned short adapter_reset_done; |
926 | }; |
927 | |
928 | /* |
929 | Define the FlashPoint Card Handle data type. |
930 | */ |
931 | |
932 | #define FPOINT_BADCARD_HANDLE 0xFFFFFFFFL |
933 | |
934 | |
935 | /* |
936 | Define the FlashPoint Information structure. This structure is defined |
937 | by the FlashPoint SCCB Manager. |
938 | */ |
939 | |
940 | struct fpoint_info { |
941 | u32 base_addr; /* Bytes 0-3 */ |
942 | bool present; /* Byte 4 */ |
943 | unsigned char irq_ch; /* Byte 5 */ |
944 | unsigned char scsi_id; /* Byte 6 */ |
945 | unsigned char scsi_lun; /* Byte 7 */ |
946 | u16 fw_rev; /* Bytes 8-9 */ |
947 | u16 sync_ok; /* Bytes 10-11 */ |
948 | u16 fast_ok; /* Bytes 12-13 */ |
949 | u16 ultra_ok; /* Bytes 14-15 */ |
950 | u16 discon_ok; /* Bytes 16-17 */ |
951 | u16 wide_ok; /* Bytes 18-19 */ |
952 | bool parity:1; /* Byte 20 Bit 0 */ |
953 | bool wide:1; /* Byte 20 Bit 1 */ |
954 | bool softreset:1; /* Byte 20 Bit 2 */ |
955 | bool ext_trans_enable:1; /* Byte 20 Bit 3 */ |
956 | bool low_term:1; /* Byte 20 Bit 4 */ |
957 | bool high_term:1; /* Byte 20 Bit 5 */ |
958 | bool report_underrun:1; /* Byte 20 Bit 6 */ |
959 | bool scam_enabled:1; /* Byte 20 Bit 7 */ |
960 | bool scam_lev2:1; /* Byte 21 Bit 0 */ |
961 | unsigned char:7; /* Byte 21 Bits 1-7 */ |
962 | unsigned char family; /* Byte 22 */ |
963 | unsigned char bus_type; /* Byte 23 */ |
964 | unsigned char model[3]; /* Bytes 24-26 */ |
965 | unsigned char relative_cardnum; /* Byte 27 */ |
966 | unsigned char rsvd[4]; /* Bytes 28-31 */ |
967 | u32 os_rsvd; /* Bytes 32-35 */ |
968 | unsigned char translation_info[4]; /* Bytes 36-39 */ |
969 | u32 rsvd2[5]; /* Bytes 40-59 */ |
970 | u32 sec_range; /* Bytes 60-63 */ |
971 | }; |
972 | |
973 | /* |
974 | Define the BusLogic Driver Host Adapter structure. |
975 | */ |
976 | |
977 | struct blogic_adapter { |
978 | struct Scsi_Host *scsi_host; |
979 | struct pci_dev *pci_device; |
980 | enum blogic_adapter_type adapter_type; |
981 | enum blogic_adapter_bus_type adapter_bus_type; |
982 | unsigned long io_addr; |
983 | unsigned long pci_addr; |
984 | unsigned short addr_count; |
985 | unsigned char host_no; |
986 | unsigned char model[9]; |
987 | unsigned char fw_ver[6]; |
988 | unsigned char full_model[18]; |
989 | unsigned char bus; |
990 | unsigned char dev; |
991 | unsigned char irq_ch; |
992 | unsigned char scsi_id; |
993 | bool irq_acquired:1; |
994 | bool ext_trans_enable:1; |
995 | bool parity:1; |
996 | bool reset_enabled:1; |
997 | bool level_int:1; |
998 | bool wide:1; |
999 | bool differential:1; |
1000 | bool scam:1; |
1001 | bool ultra:1; |
1002 | bool ext_lun:1; |
1003 | bool terminfo_valid:1; |
1004 | bool low_term:1; |
1005 | bool high_term:1; |
1006 | bool strict_rr:1; |
1007 | bool scam_enabled:1; |
1008 | bool scam_lev2:1; |
1009 | bool adapter_initd:1; |
1010 | bool adapter_extreset:1; |
1011 | bool adapter_intern_err:1; |
1012 | bool processing_ccbs; |
1013 | volatile bool adapter_cmd_complete; |
1014 | unsigned short adapter_sglimit; |
1015 | unsigned short drvr_sglimit; |
1016 | unsigned short maxdev; |
1017 | unsigned short maxlun; |
1018 | unsigned short mbox_count; |
1019 | unsigned short initccbs; |
1020 | unsigned short inc_ccbs; |
1021 | unsigned short alloc_ccbs; |
1022 | unsigned short drvr_qdepth; |
1023 | unsigned short adapter_qdepth; |
1024 | unsigned short untag_qdepth; |
1025 | unsigned short common_qdepth; |
1026 | unsigned short bus_settle_time; |
1027 | unsigned short sync_ok; |
1028 | unsigned short fast_ok; |
1029 | unsigned short ultra_ok; |
1030 | unsigned short wide_ok; |
1031 | unsigned short discon_ok; |
1032 | unsigned short tagq_ok; |
1033 | unsigned short ext_resets; |
1034 | unsigned short adapter_intern_errors; |
1035 | unsigned short tgt_count; |
1036 | unsigned short msgbuflen; |
1037 | u32 bios_addr; |
1038 | struct blogic_drvr_options *drvr_opts; |
1039 | struct fpoint_info fpinfo; |
1040 | void *cardhandle; |
1041 | struct list_head host_list; |
1042 | struct blogic_ccb *all_ccbs; |
1043 | struct blogic_ccb *free_ccbs; |
1044 | struct blogic_ccb *firstccb; |
1045 | struct blogic_ccb *lastccb; |
1046 | struct blogic_ccb *bdr_pend[BLOGIC_MAXDEV]; |
1047 | struct blogic_tgt_flags tgt_flags[BLOGIC_MAXDEV]; |
1048 | unsigned char qdepth[BLOGIC_MAXDEV]; |
1049 | unsigned char sync_period[BLOGIC_MAXDEV]; |
1050 | unsigned char sync_offset[BLOGIC_MAXDEV]; |
1051 | unsigned char active_cmds[BLOGIC_MAXDEV]; |
1052 | unsigned int cmds_since_rst[BLOGIC_MAXDEV]; |
1053 | unsigned long last_seqpoint[BLOGIC_MAXDEV]; |
1054 | unsigned long last_resettried[BLOGIC_MAXDEV]; |
1055 | unsigned long last_resetdone[BLOGIC_MAXDEV]; |
1056 | struct blogic_outbox *first_outbox; |
1057 | struct blogic_outbox *last_outbox; |
1058 | struct blogic_outbox *next_outbox; |
1059 | struct blogic_inbox *first_inbox; |
1060 | struct blogic_inbox *last_inbox; |
1061 | struct blogic_inbox *next_inbox; |
1062 | struct blogic_tgt_stats tgt_stats[BLOGIC_MAXDEV]; |
1063 | unsigned char *mbox_space; |
1064 | dma_addr_t mbox_space_handle; |
1065 | unsigned int mbox_sz; |
1066 | unsigned long ccb_offset; |
1067 | char msgbuf[BLOGIC_MSGBUF_SIZE]; |
1068 | }; |
1069 | |
1070 | /* |
1071 | Define a structure for the BIOS Disk Parameters. |
1072 | */ |
1073 | |
1074 | struct bios_diskparam { |
1075 | int heads; |
1076 | int sectors; |
1077 | int cylinders; |
1078 | }; |
1079 | |
1080 | /* |
1081 | Define a structure for the SCSI Inquiry command results. |
1082 | */ |
1083 | |
1084 | struct scsi_inquiry { |
1085 | unsigned char devtype:5; /* Byte 0 Bits 0-4 */ |
1086 | unsigned char dev_qual:3; /* Byte 0 Bits 5-7 */ |
1087 | unsigned char dev_modifier:7; /* Byte 1 Bits 0-6 */ |
1088 | bool rmb:1; /* Byte 1 Bit 7 */ |
1089 | unsigned char ansi_ver:3; /* Byte 2 Bits 0-2 */ |
1090 | unsigned char ecma_ver:3; /* Byte 2 Bits 3-5 */ |
1091 | unsigned char iso_ver:2; /* Byte 2 Bits 6-7 */ |
1092 | unsigned char resp_fmt:4; /* Byte 3 Bits 0-3 */ |
1093 | unsigned char:2; /* Byte 3 Bits 4-5 */ |
1094 | bool TrmIOP:1; /* Byte 3 Bit 6 */ |
1095 | bool AENC:1; /* Byte 3 Bit 7 */ |
1096 | unsigned char addl_len; /* Byte 4 */ |
1097 | unsigned char:8; /* Byte 5 */ |
1098 | unsigned char:8; /* Byte 6 */ |
1099 | bool SftRe:1; /* Byte 7 Bit 0 */ |
1100 | bool CmdQue:1; /* Byte 7 Bit 1 */ |
1101 | bool:1; /* Byte 7 Bit 2 */ |
1102 | bool linked:1; /* Byte 7 Bit 3 */ |
1103 | bool sync:1; /* Byte 7 Bit 4 */ |
1104 | bool WBus16:1; /* Byte 7 Bit 5 */ |
1105 | bool WBus32:1; /* Byte 7 Bit 6 */ |
1106 | bool RelAdr:1; /* Byte 7 Bit 7 */ |
1107 | unsigned char vendor[8]; /* Bytes 8-15 */ |
1108 | unsigned char product[16]; /* Bytes 16-31 */ |
1109 | unsigned char product_rev[4]; /* Bytes 32-35 */ |
1110 | }; |
1111 | |
1112 | |
1113 | /* |
1114 | Define functions to provide an abstraction for reading and writing the |
1115 | Host Adapter I/O Registers. |
1116 | */ |
1117 | |
1118 | static inline void blogic_busreset(struct blogic_adapter *adapter) |
1119 | { |
1120 | union blogic_cntrl_reg cr; |
1121 | cr.all = 0; |
1122 | cr.cr.bus_reset = true; |
1123 | outb(value: cr.all, port: adapter->io_addr + BLOGIC_CNTRL_REG); |
1124 | } |
1125 | |
1126 | static inline void blogic_intreset(struct blogic_adapter *adapter) |
1127 | { |
1128 | union blogic_cntrl_reg cr; |
1129 | cr.all = 0; |
1130 | cr.cr.int_reset = true; |
1131 | outb(value: cr.all, port: adapter->io_addr + BLOGIC_CNTRL_REG); |
1132 | } |
1133 | |
1134 | static inline void blogic_softreset(struct blogic_adapter *adapter) |
1135 | { |
1136 | union blogic_cntrl_reg cr; |
1137 | cr.all = 0; |
1138 | cr.cr.soft_reset = true; |
1139 | outb(value: cr.all, port: adapter->io_addr + BLOGIC_CNTRL_REG); |
1140 | } |
1141 | |
1142 | static inline void blogic_hardreset(struct blogic_adapter *adapter) |
1143 | { |
1144 | union blogic_cntrl_reg cr; |
1145 | cr.all = 0; |
1146 | cr.cr.hard_reset = true; |
1147 | outb(value: cr.all, port: adapter->io_addr + BLOGIC_CNTRL_REG); |
1148 | } |
1149 | |
1150 | static inline unsigned char blogic_rdstatus(struct blogic_adapter *adapter) |
1151 | { |
1152 | return inb(port: adapter->io_addr + BLOGIC_STATUS_REG); |
1153 | } |
1154 | |
1155 | static inline void blogic_setcmdparam(struct blogic_adapter *adapter, |
1156 | unsigned char value) |
1157 | { |
1158 | outb(value, port: adapter->io_addr + BLOGIC_CMD_PARM_REG); |
1159 | } |
1160 | |
1161 | static inline unsigned char blogic_rddatain(struct blogic_adapter *adapter) |
1162 | { |
1163 | return inb(port: adapter->io_addr + BLOGIC_DATAIN_REG); |
1164 | } |
1165 | |
1166 | static inline unsigned char blogic_rdint(struct blogic_adapter *adapter) |
1167 | { |
1168 | return inb(port: adapter->io_addr + BLOGIC_INT_REG); |
1169 | } |
1170 | |
1171 | static inline unsigned char blogic_rdgeom(struct blogic_adapter *adapter) |
1172 | { |
1173 | return inb(port: adapter->io_addr + BLOGIC_GEOMETRY_REG); |
1174 | } |
1175 | |
1176 | /* |
1177 | blogic_execmbox issues an Execute Mailbox Command, which |
1178 | notifies the Host Adapter that an entry has been made in an Outgoing |
1179 | Mailbox. |
1180 | */ |
1181 | |
1182 | static inline void blogic_execmbox(struct blogic_adapter *adapter) |
1183 | { |
1184 | blogic_setcmdparam(adapter, value: BLOGIC_EXEC_MBOX_CMD); |
1185 | } |
1186 | |
1187 | /* |
1188 | blogic_delay waits for Seconds to elapse. |
1189 | */ |
1190 | |
1191 | static inline void blogic_delay(int seconds) |
1192 | { |
1193 | mdelay(1000 * seconds); |
1194 | } |
1195 | |
1196 | /* |
1197 | virt_to_32bit_virt maps between Kernel Virtual Addresses and |
1198 | 32 bit Kernel Virtual Addresses. This avoids compilation warnings |
1199 | on 64 bit architectures. |
1200 | */ |
1201 | |
1202 | static inline u32 virt_to_32bit_virt(void *virt_addr) |
1203 | { |
1204 | return (u32) (unsigned long) virt_addr; |
1205 | } |
1206 | |
1207 | /* |
1208 | blogic_inc_count increments counter by 1, stopping at |
1209 | 65535 rather than wrapping around to 0. |
1210 | */ |
1211 | |
1212 | static inline void blogic_inc_count(unsigned short *count) |
1213 | { |
1214 | if (*count < 65535) |
1215 | (*count)++; |
1216 | } |
1217 | |
1218 | /* |
1219 | blogic_addcount increments Byte Counter by Amount. |
1220 | */ |
1221 | |
1222 | static inline void blogic_addcount(struct blogic_byte_count *bytecount, |
1223 | unsigned int amount) |
1224 | { |
1225 | bytecount->units += amount; |
1226 | if (bytecount->units > 999999999) { |
1227 | bytecount->units -= 1000000000; |
1228 | bytecount->billions++; |
1229 | } |
1230 | } |
1231 | |
1232 | /* |
1233 | blogic_incszbucket increments the Bucket for Amount. |
1234 | */ |
1235 | |
1236 | static inline void blogic_incszbucket(unsigned int *cmdsz_buckets, |
1237 | unsigned int amount) |
1238 | { |
1239 | int index = 0; |
1240 | if (amount < 8 * 1024) { |
1241 | if (amount < 2 * 1024) |
1242 | index = (amount < 1 * 1024 ? 0 : 1); |
1243 | else |
1244 | index = (amount < 4 * 1024 ? 2 : 3); |
1245 | } else if (amount < 128 * 1024) { |
1246 | if (amount < 32 * 1024) |
1247 | index = (amount < 16 * 1024 ? 4 : 5); |
1248 | else |
1249 | index = (amount < 64 * 1024 ? 6 : 7); |
1250 | } else |
1251 | index = (amount < 256 * 1024 ? 8 : 9); |
1252 | cmdsz_buckets[index]++; |
1253 | } |
1254 | |
1255 | /* |
1256 | Define the version number of the FlashPoint Firmware (SCCB Manager). |
1257 | */ |
1258 | |
1259 | #define FLASHPOINT_FW_VER "5.02" |
1260 | |
1261 | /* |
1262 | Define the possible return values from FlashPoint_HandleInterrupt. |
1263 | */ |
1264 | |
1265 | #define FPOINT_NORMAL_INT 0x00 |
1266 | #define FPOINT_INTERN_ERR 0xFE |
1267 | #define FPOINT_EXT_RESET 0xFF |
1268 | |
1269 | /* |
1270 | Define prototypes for the forward referenced BusLogic Driver |
1271 | Internal Functions. |
1272 | */ |
1273 | |
1274 | static const char *blogic_drvr_info(struct Scsi_Host *); |
1275 | static int blogic_qcmd(struct Scsi_Host *h, struct scsi_cmnd *); |
1276 | static int blogic_diskparam(struct scsi_device *, struct block_device *, sector_t, int *); |
1277 | static int blogic_slaveconfig(struct scsi_device *); |
1278 | static void blogic_qcompleted_ccb(struct blogic_ccb *); |
1279 | static irqreturn_t blogic_inthandler(int, void *); |
1280 | static int blogic_resetadapter(struct blogic_adapter *, bool hard_reset); |
1281 | static void blogic_msg(enum blogic_msglevel, char *, struct blogic_adapter *, ...); |
1282 | static int __init blogic_setup(char *); |
1283 | |
1284 | #endif /* _BUSLOGIC_H */ |
1285 | |