1 /**************************************************************************
2 * Initio 9100 device driver for Linux.
3 *
4 * Copyright (c) 1994-1998 Initio Corporation
5 * All rights reserved.
6 *
7 * Cleanups (c) Copyright 2007 Red Hat <alan@lxorguk.ukuu.org.uk>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2, or (at your option)
12 * any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; see the file COPYING. If not, write to
21 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 **************************************************************************/
36
37
38 #include <linux/types.h>
39
40 #define TOTAL_SG_ENTRY 32
41 #define MAX_SUPPORTED_ADAPTERS 8
42 #define MAX_OFFSET 15
43 #define MAX_TARGETS 16
44
45 typedef struct {
46 unsigned short base;
47 unsigned short vec;
48 } i91u_config;
49
50 /***************************************/
51 /* Tulip Configuration Register Set */
52 /***************************************/
53 #define TUL_PVID 0x00 /* Vendor ID */
54 #define TUL_PDID 0x02 /* Device ID */
55 #define TUL_PCMD 0x04 /* Command */
56 #define TUL_PSTUS 0x06 /* Status */
57 #define TUL_PRID 0x08 /* Revision number */
58 #define TUL_PPI 0x09 /* Programming interface */
59 #define TUL_PSC 0x0A /* Sub Class */
60 #define TUL_PBC 0x0B /* Base Class */
61 #define TUL_PCLS 0x0C /* Cache line size */
62 #define TUL_PLTR 0x0D /* Latency timer */
63 #define TUL_PHDT 0x0E /* Header type */
64 #define TUL_PBIST 0x0F /* BIST */
65 #define TUL_PBAD 0x10 /* Base address */
66 #define TUL_PBAD1 0x14 /* Base address */
67 #define TUL_PBAD2 0x18 /* Base address */
68 #define TUL_PBAD3 0x1C /* Base address */
69 #define TUL_PBAD4 0x20 /* Base address */
70 #define TUL_PBAD5 0x24 /* Base address */
71 #define TUL_PRSVD 0x28 /* Reserved */
72 #define TUL_PRSVD1 0x2C /* Reserved */
73 #define TUL_PRAD 0x30 /* Expansion ROM base address */
74 #define TUL_PRSVD2 0x34 /* Reserved */
75 #define TUL_PRSVD3 0x38 /* Reserved */
76 #define TUL_PINTL 0x3C /* Interrupt line */
77 #define TUL_PINTP 0x3D /* Interrupt pin */
78 #define TUL_PIGNT 0x3E /* MIN_GNT */
79 #define TUL_PMGNT 0x3F /* MAX_GNT */
80
81 /************************/
82 /* Jasmin Register Set */
83 /************************/
84 #define TUL_HACFG0 0x40 /* H/A Configuration Register 0 */
85 #define TUL_HACFG1 0x41 /* H/A Configuration Register 1 */
86 #define TUL_HACFG2 0x42 /* H/A Configuration Register 2 */
87
88 #define TUL_SDCFG0 0x44 /* SCSI Device Configuration 0 */
89 #define TUL_SDCFG1 0x45 /* SCSI Device Configuration 1 */
90 #define TUL_SDCFG2 0x46 /* SCSI Device Configuration 2 */
91 #define TUL_SDCFG3 0x47 /* SCSI Device Configuration 3 */
92
93 #define TUL_GINTS 0x50 /* Global Interrupt Status Register */
94 #define TUL_GIMSK 0x52 /* Global Interrupt MASK Register */
95 #define TUL_GCTRL 0x54 /* Global Control Register */
96 #define TUL_GCTRL_EEPROM_BIT 0x04
97 #define TUL_GCTRL1 0x55 /* Global Control Register */
98 #define TUL_DMACFG 0x5B /* DMA configuration */
99 #define TUL_NVRAM 0x5D /* Non-volatile RAM port */
100
101 #define TUL_SCnt0 0x80 /* 00 R/W Transfer Counter Low */
102 #define TUL_SCnt1 0x81 /* 01 R/W Transfer Counter Mid */
103 #define TUL_SCnt2 0x82 /* 02 R/W Transfer Count High */
104 #define TUL_SFifoCnt 0x83 /* 03 R FIFO counter */
105 #define TUL_SIntEnable 0x84 /* 03 W Interrupt enble */
106 #define TUL_SInt 0x84 /* 04 R Interrupt Register */
107 #define TUL_SCtrl0 0x85 /* 05 W Control 0 */
108 #define TUL_SStatus0 0x85 /* 05 R Status 0 */
109 #define TUL_SCtrl1 0x86 /* 06 W Control 1 */
110 #define TUL_SStatus1 0x86 /* 06 R Status 1 */
111 #define TUL_SConfig 0x87 /* 07 W Configuration */
112 #define TUL_SStatus2 0x87 /* 07 R Status 2 */
113 #define TUL_SPeriod 0x88 /* 08 W Sync. Transfer Period & Offset */
114 #define TUL_SOffset 0x88 /* 08 R Offset */
115 #define TUL_SScsiId 0x89 /* 09 W SCSI ID */
116 #define TUL_SBusId 0x89 /* 09 R SCSI BUS ID */
117 #define TUL_STimeOut 0x8A /* 0A W Sel/Resel Time Out Register */
118 #define TUL_SIdent 0x8A /* 0A R Identify Message Register */
119 #define TUL_SAvail 0x8A /* 0A R Available Counter Register */
120 #define TUL_SData 0x8B /* 0B R/W SCSI data in/out */
121 #define TUL_SFifo 0x8C /* 0C R/W FIFO */
122 #define TUL_SSignal 0x90 /* 10 R/W SCSI signal in/out */
123 #define TUL_SCmd 0x91 /* 11 R/W Command */
124 #define TUL_STest0 0x92 /* 12 R/W Test0 */
125 #define TUL_STest1 0x93 /* 13 R/W Test1 */
126 #define TUL_SCFG1 0x94 /* 14 R/W Configuration */
127
128 #define TUL_XAddH 0xC0 /*DMA Transfer Physical Address */
129 #define TUL_XAddW 0xC8 /*DMA Current Transfer Physical Address */
130 #define TUL_XCntH 0xD0 /*DMA Transfer Counter */
131 #define TUL_XCntW 0xD4 /*DMA Current Transfer Counter */
132 #define TUL_XCmd 0xD8 /*DMA Command Register */
133 #define TUL_Int 0xDC /*Interrupt Register */
134 #define TUL_XStatus 0xDD /*DMA status Register */
135 #define TUL_Mask 0xE0 /*Interrupt Mask Register */
136 #define TUL_XCtrl 0xE4 /*DMA Control Register */
137 #define TUL_XCtrl1 0xE5 /*DMA Control Register 1 */
138 #define TUL_XFifo 0xE8 /*DMA FIFO */
139
140 #define TUL_WCtrl 0xF7 /*Bus master wait state control */
141 #define TUL_DCtrl 0xFB /*DMA delay control */
142
143 /*----------------------------------------------------------------------*/
144 /* bit definition for Command register of Configuration Space Header */
145 /*----------------------------------------------------------------------*/
146 #define BUSMS 0x04 /* BUS MASTER Enable */
147 #define IOSPA 0x01 /* IO Space Enable */
148
149 /*----------------------------------------------------------------------*/
150 /* Command Codes of Tulip SCSI Command register */
151 /*----------------------------------------------------------------------*/
152 #define TSC_EN_RESEL 0x80 /* Enable Reselection */
153 #define TSC_CMD_COMP 0x84 /* Command Complete Sequence */
154 #define TSC_SEL 0x01 /* Select Without ATN Sequence */
155 #define TSC_SEL_ATN 0x11 /* Select With ATN Sequence */
156 #define TSC_SEL_ATN_DMA 0x51 /* Select With ATN Sequence with DMA */
157 #define TSC_SEL_ATN3 0x31 /* Select With ATN3 Sequence */
158 #define TSC_SEL_ATNSTOP 0x12 /* Select With ATN and Stop Sequence */
159 #define TSC_SELATNSTOP 0x1E /* Select With ATN and Stop Sequence */
160
161 #define TSC_SEL_ATN_DIRECT_IN 0x95 /* Select With ATN Sequence */
162 #define TSC_SEL_ATN_DIRECT_OUT 0x15 /* Select With ATN Sequence */
163 #define TSC_SEL_ATN3_DIRECT_IN 0xB5 /* Select With ATN3 Sequence */
164 #define TSC_SEL_ATN3_DIRECT_OUT 0x35 /* Select With ATN3 Sequence */
165 #define TSC_XF_DMA_OUT_DIRECT 0x06 /* DMA Xfer Information out */
166 #define TSC_XF_DMA_IN_DIRECT 0x86 /* DMA Xfer Information in */
167
168 #define TSC_XF_DMA_OUT 0x43 /* DMA Xfer Information out */
169 #define TSC_XF_DMA_IN 0xC3 /* DMA Xfer Information in */
170 #define TSC_XF_FIFO_OUT 0x03 /* FIFO Xfer Information out */
171 #define TSC_XF_FIFO_IN 0x83 /* FIFO Xfer Information in */
172
173 #define TSC_MSG_ACCEPT 0x0F /* Message Accept */
174
175 /*----------------------------------------------------------------------*/
176 /* bit definition for Tulip SCSI Control 0 Register */
177 /*----------------------------------------------------------------------*/
178 #define TSC_RST_SEQ 0x20 /* Reset sequence counter */
179 #define TSC_FLUSH_FIFO 0x10 /* Flush FIFO */
180 #define TSC_ABT_CMD 0x04 /* Abort command (sequence) */
181 #define TSC_RST_CHIP 0x02 /* Reset SCSI Chip */
182 #define TSC_RST_BUS 0x01 /* Reset SCSI Bus */
183
184 /*----------------------------------------------------------------------*/
185 /* bit definition for Tulip SCSI Control 1 Register */
186 /*----------------------------------------------------------------------*/
187 #define TSC_EN_SCAM 0x80 /* Enable SCAM */
188 #define TSC_TIMER 0x40 /* Select timeout unit */
189 #define TSC_EN_SCSI2 0x20 /* SCSI-2 mode */
190 #define TSC_PWDN 0x10 /* Power down mode */
191 #define TSC_WIDE_CPU 0x08 /* Wide CPU */
192 #define TSC_HW_RESELECT 0x04 /* Enable HW reselect */
193 #define TSC_EN_BUS_OUT 0x02 /* Enable SCSI data bus out latch */
194 #define TSC_EN_BUS_IN 0x01 /* Enable SCSI data bus in latch */
195
196 /*----------------------------------------------------------------------*/
197 /* bit definition for Tulip SCSI Configuration Register */
198 /*----------------------------------------------------------------------*/
199 #define TSC_EN_LATCH 0x80 /* Enable phase latch */
200 #define TSC_INITIATOR 0x40 /* Initiator mode */
201 #define TSC_EN_SCSI_PAR 0x20 /* Enable SCSI parity */
202 #define TSC_DMA_8BIT 0x10 /* Alternate dma 8-bits mode */
203 #define TSC_DMA_16BIT 0x08 /* Alternate dma 16-bits mode */
204 #define TSC_EN_WDACK 0x04 /* Enable DACK while wide SCSI xfer */
205 #define TSC_ALT_PERIOD 0x02 /* Alternate sync period mode */
206 #define TSC_DIS_SCSIRST 0x01 /* Disable SCSI bus reset us */
207
208 #define TSC_INITDEFAULT (TSC_INITIATOR | TSC_EN_LATCH | TSC_ALT_PERIOD | TSC_DIS_SCSIRST)
209
210 #define TSC_WIDE_SCSI 0x80 /* Enable Wide SCSI */
211
212 /*----------------------------------------------------------------------*/
213 /* bit definition for Tulip SCSI signal Register */
214 /*----------------------------------------------------------------------*/
215 #define TSC_RST_ACK 0x00 /* Release ACK signal */
216 #define TSC_RST_ATN 0x00 /* Release ATN signal */
217 #define TSC_RST_BSY 0x00 /* Release BSY signal */
218
219 #define TSC_SET_ACK 0x40 /* ACK signal */
220 #define TSC_SET_ATN 0x08 /* ATN signal */
221
222 #define TSC_REQI 0x80 /* REQ signal */
223 #define TSC_ACKI 0x40 /* ACK signal */
224 #define TSC_BSYI 0x20 /* BSY signal */
225 #define TSC_SELI 0x10 /* SEL signal */
226 #define TSC_ATNI 0x08 /* ATN signal */
227 #define TSC_MSGI 0x04 /* MSG signal */
228 #define TSC_CDI 0x02 /* C/D signal */
229 #define TSC_IOI 0x01 /* I/O signal */
230
231
232 /*----------------------------------------------------------------------*/
233 /* bit definition for Tulip SCSI Status 0 Register */
234 /*----------------------------------------------------------------------*/
235 #define TSS_INT_PENDING 0x80 /* Interrupt pending */
236 #define TSS_SEQ_ACTIVE 0x40 /* Sequencer active */
237 #define TSS_XFER_CNT 0x20 /* Transfer counter zero */
238 #define TSS_FIFO_EMPTY 0x10 /* FIFO empty */
239 #define TSS_PAR_ERROR 0x08 /* SCSI parity error */
240 #define TSS_PH_MASK 0x07 /* SCSI phase mask */
241
242 /*----------------------------------------------------------------------*/
243 /* bit definition for Tulip SCSI Status 1 Register */
244 /*----------------------------------------------------------------------*/
245 #define TSS_STATUS_RCV 0x08 /* Status received */
246 #define TSS_MSG_SEND 0x40 /* Message sent */
247 #define TSS_CMD_PH_CMP 0x20 /* command phase done */
248 #define TSS_DATA_PH_CMP 0x10 /* Data phase done */
249 #define TSS_STATUS_SEND 0x08 /* Status sent */
250 #define TSS_XFER_CMP 0x04 /* Transfer completed */
251 #define TSS_SEL_CMP 0x02 /* Selection completed */
252 #define TSS_ARB_CMP 0x01 /* Arbitration completed */
253
254 /*----------------------------------------------------------------------*/
255 /* bit definition for Tulip SCSI Status 2 Register */
256 /*----------------------------------------------------------------------*/
257 #define TSS_CMD_ABTED 0x80 /* Command aborted */
258 #define TSS_OFFSET_0 0x40 /* Offset counter zero */
259 #define TSS_FIFO_FULL 0x20 /* FIFO full */
260 #define TSS_TIMEOUT_0 0x10 /* Timeout counter zero */
261 #define TSS_BUSY_RLS 0x08 /* Busy release */
262 #define TSS_PH_MISMATCH 0x04 /* Phase mismatch */
263 #define TSS_SCSI_BUS_EN 0x02 /* SCSI data bus enable */
264 #define TSS_SCSIRST 0x01 /* SCSI bus reset in progress */
265
266 /*----------------------------------------------------------------------*/
267 /* bit definition for Tulip SCSI Interrupt Register */
268 /*----------------------------------------------------------------------*/
269 #define TSS_RESEL_INT 0x80 /* Reselected interrupt */
270 #define TSS_SEL_TIMEOUT 0x40 /* Selected/reselected timeout */
271 #define TSS_BUS_SERV 0x20
272 #define TSS_SCSIRST_INT 0x10 /* SCSI bus reset detected */
273 #define TSS_DISC_INT 0x08 /* Disconnected interrupt */
274 #define TSS_SEL_INT 0x04 /* Select interrupt */
275 #define TSS_SCAM_SEL 0x02 /* SCAM selected */
276 #define TSS_FUNC_COMP 0x01
277
278 /*----------------------------------------------------------------------*/
279 /* SCSI Phase Codes. */
280 /*----------------------------------------------------------------------*/
281 #define DATA_OUT 0
282 #define DATA_IN 1 /* 4 */
283 #define CMD_OUT 2
284 #define STATUS_IN 3 /* 6 */
285 #define MSG_OUT 6 /* 3 */
286 #define MSG_IN 7
287
288
289
290 /*----------------------------------------------------------------------*/
291 /* Command Codes of Tulip xfer Command register */
292 /*----------------------------------------------------------------------*/
293 #define TAX_X_FORC 0x02
294 #define TAX_X_ABT 0x04
295 #define TAX_X_CLR_FIFO 0x08
296
297 #define TAX_X_IN 0x21
298 #define TAX_X_OUT 0x01
299 #define TAX_SG_IN 0xA1
300 #define TAX_SG_OUT 0x81
301
302 /*----------------------------------------------------------------------*/
303 /* Tulip Interrupt Register */
304 /*----------------------------------------------------------------------*/
305 #define XCMP 0x01
306 #define FCMP 0x02
307 #define XABT 0x04
308 #define XERR 0x08
309 #define SCMP 0x10
310 #define IPEND 0x80
311
312 /*----------------------------------------------------------------------*/
313 /* Tulip DMA Status Register */
314 /*----------------------------------------------------------------------*/
315 #define XPEND 0x01 /* Transfer pending */
316 #define FEMPTY 0x02 /* FIFO empty */
317
318
319
320 /*----------------------------------------------------------------------*/
321 /* bit definition for TUL_GCTRL */
322 /*----------------------------------------------------------------------*/
323 #define EXTSG 0x80
324 #define EXTAD 0x60
325 #define SEG4K 0x08
326 #define EEPRG 0x04
327 #define MRMUL 0x02
328
329 /*----------------------------------------------------------------------*/
330 /* bit definition for TUL_NVRAM */
331 /*----------------------------------------------------------------------*/
332 #define SE2CS 0x08
333 #define SE2CLK 0x04
334 #define SE2DO 0x02
335 #define SE2DI 0x01
336
337
338 /************************************************************************/
339 /* Scatter-Gather Element Structure */
340 /************************************************************************/
341 struct sg_entry {
342 u32 data; /* Data Pointer */
343 u32 len; /* Data Length */
344 };
345
346 /***********************************************************************
347 SCSI Control Block
348 ************************************************************************/
349 struct scsi_ctrl_blk {
350 struct scsi_ctrl_blk *next;
351 u8 status; /*4 */
352 u8 next_state; /*5 */
353 u8 mode; /*6 */
354 u8 msgin; /*7 SCB_Res0 */
355 u16 sgidx; /*8 */
356 u16 sgmax; /*A */
357 #ifdef ALPHA
358 u32 reserved[2]; /*C */
359 #else
360 u32 reserved[3]; /*C */
361 #endif
362
363 u32 xferlen; /*18 Current xfer len */
364 u32 totxlen; /*1C Total xfer len */
365 u32 paddr; /*20 SCB phy. Addr. */
366
367 u8 opcode; /*24 SCB command code */
368 u8 flags; /*25 SCB Flags */
369 u8 target; /*26 Target Id */
370 u8 lun; /*27 Lun */
371 u32 bufptr; /*28 Data Buffer Pointer */
372 u32 buflen; /*2C Data Allocation Length */
373 u8 sglen; /*30 SG list # */
374 u8 senselen; /*31 Sense Allocation Length */
375 u8 hastat; /*32 */
376 u8 tastat; /*33 */
377 u8 cdblen; /*34 CDB Length */
378 u8 ident; /*35 Identify */
379 u8 tagmsg; /*36 Tag Message */
380 u8 tagid; /*37 Queue Tag */
381 u8 cdb[12]; /*38 */
382 u32 sgpaddr; /*44 SG List/Sense Buf phy. Addr. */
383 u32 senseptr; /*48 Sense data pointer */
384 void (*post) (u8 *, u8 *); /*4C POST routine */
385 struct scsi_cmnd *srb; /*50 SRB Pointer */
386 struct sg_entry sglist[TOTAL_SG_ENTRY]; /*54 Start of SG list */
387 };
388
389 /* Bit Definition for status */
390 #define SCB_RENT 0x01
391 #define SCB_PEND 0x02
392 #define SCB_CONTIG 0x04 /* Contingent Allegiance */
393 #define SCB_SELECT 0x08
394 #define SCB_BUSY 0x10
395 #define SCB_DONE 0x20
396
397
398 /* Opcodes for opcode */
399 #define ExecSCSI 0x1
400 #define BusDevRst 0x2
401 #define AbortCmd 0x3
402
403
404 /* Bit Definition for mode */
405 #define SCM_RSENS 0x01 /* request sense mode */
406
407
408 /* Bit Definition for flags */
409 #define SCF_DONE 0x01
410 #define SCF_POST 0x02
411 #define SCF_SENSE 0x04
412 #define SCF_DIR 0x18
413 #define SCF_NO_DCHK 0x00
414 #define SCF_DIN 0x08
415 #define SCF_DOUT 0x10
416 #define SCF_NO_XF 0x18
417 #define SCF_WR_VF 0x20 /* Write verify turn on */
418 #define SCF_POLL 0x40
419 #define SCF_SG 0x80
420
421 /* Error Codes for SCB_HaStat */
422 #define HOST_SEL_TOUT 0x11
423 #define HOST_DO_DU 0x12
424 #define HOST_BUS_FREE 0x13
425 #define HOST_BAD_PHAS 0x14
426 #define HOST_INV_CMD 0x16
427 #define HOST_ABORTED 0x1A /* 07/21/98 */
428 #define HOST_SCSI_RST 0x1B
429 #define HOST_DEV_RST 0x1C
430
431 /* Error Codes for SCB_TaStat */
432 #define TARGET_CHKCOND 0x02
433 #define TARGET_BUSY 0x08
434 #define INI_QUEUE_FULL 0x28
435
436 /***********************************************************************
437 Target Device Control Structure
438 **********************************************************************/
439
440 struct target_control {
441 u16 flags;
442 u8 js_period;
443 u8 sconfig0;
444 u16 drv_flags;
445 u8 heads;
446 u8 sectors;
447 };
448
449 /***********************************************************************
450 Target Device Control Structure
451 **********************************************************************/
452
453 /* Bit Definition for TCF_Flags */
454 #define TCF_SCSI_RATE 0x0007
455 #define TCF_EN_DISC 0x0008
456 #define TCF_NO_SYNC_NEGO 0x0010
457 #define TCF_NO_WDTR 0x0020
458 #define TCF_EN_255 0x0040
459 #define TCF_EN_START 0x0080
460 #define TCF_WDTR_DONE 0x0100
461 #define TCF_SYNC_DONE 0x0200
462 #define TCF_BUSY 0x0400
463
464
465 /* Bit Definition for TCF_DrvFlags */
466 #define TCF_DRV_BUSY 0x01 /* Indicate target busy(driver) */
467 #define TCF_DRV_EN_TAG 0x0800
468 #define TCF_DRV_255_63 0x0400
469
470 /***********************************************************************
471 Host Adapter Control Structure
472 ************************************************************************/
473 struct initio_host {
474 u16 addr; /* 00 */
475 u16 bios_addr; /* 02 */
476 u8 irq; /* 04 */
477 u8 scsi_id; /* 05 */
478 u8 max_tar; /* 06 */
479 u8 num_scbs; /* 07 */
480
481 u8 flags; /* 08 */
482 u8 index; /* 09 */
483 u8 ha_id; /* 0A */
484 u8 config; /* 0B */
485 u16 idmask; /* 0C */
486 u8 semaph; /* 0E */
487 u8 phase; /* 0F */
488 u8 jsstatus0; /* 10 */
489 u8 jsint; /* 11 */
490 u8 jsstatus1; /* 12 */
491 u8 sconf1; /* 13 */
492
493 u8 msg[8]; /* 14 */
494 struct scsi_ctrl_blk *next_avail; /* 1C */
495 struct scsi_ctrl_blk *scb; /* 20 */
496 struct scsi_ctrl_blk *scb_end; /* 24 */ /*UNUSED*/
497 struct scsi_ctrl_blk *next_pending; /* 28 */
498 struct scsi_ctrl_blk *next_contig; /* 2C */ /*UNUSED*/
499 struct scsi_ctrl_blk *active; /* 30 */
500 struct target_control *active_tc; /* 34 */
501
502 struct scsi_ctrl_blk *first_avail; /* 38 */
503 struct scsi_ctrl_blk *last_avail; /* 3C */
504 struct scsi_ctrl_blk *first_pending; /* 40 */
505 struct scsi_ctrl_blk *last_pending; /* 44 */
506 struct scsi_ctrl_blk *first_busy; /* 48 */
507 struct scsi_ctrl_blk *last_busy; /* 4C */
508 struct scsi_ctrl_blk *first_done; /* 50 */
509 struct scsi_ctrl_blk *last_done; /* 54 */
510 u8 max_tags[16]; /* 58 */
511 u8 act_tags[16]; /* 68 */
512 struct target_control targets[MAX_TARGETS]; /* 78 */
513 spinlock_t avail_lock;
514 spinlock_t semaph_lock;
515 struct pci_dev *pci_dev;
516 };
517
518 /* Bit Definition for HCB_Config */
519 #define HCC_SCSI_RESET 0x01
520 #define HCC_EN_PAR 0x02
521 #define HCC_ACT_TERM1 0x04
522 #define HCC_ACT_TERM2 0x08
523 #define HCC_AUTO_TERM 0x10
524 #define HCC_EN_PWR 0x80
525
526 /* Bit Definition for HCB_Flags */
527 #define HCF_EXPECT_DISC 0x01
528 #define HCF_EXPECT_SELECT 0x02
529 #define HCF_EXPECT_RESET 0x10
530 #define HCF_EXPECT_DONE_DISC 0x20
531
532 /******************************************************************
533 Serial EEProm
534 *******************************************************************/
535
536 typedef struct _NVRAM_SCSI { /* SCSI channel configuration */
537 u8 NVM_ChSCSIID; /* 0Ch -> Channel SCSI ID */
538 u8 NVM_ChConfig1; /* 0Dh -> Channel config 1 */
539 u8 NVM_ChConfig2; /* 0Eh -> Channel config 2 */
540 u8 NVM_NumOfTarg; /* 0Fh -> Number of SCSI target */
541 /* SCSI target configuration */
542 u8 NVM_Targ0Config; /* 10h -> Target 0 configuration */
543 u8 NVM_Targ1Config; /* 11h -> Target 1 configuration */
544 u8 NVM_Targ2Config; /* 12h -> Target 2 configuration */
545 u8 NVM_Targ3Config; /* 13h -> Target 3 configuration */
546 u8 NVM_Targ4Config; /* 14h -> Target 4 configuration */
547 u8 NVM_Targ5Config; /* 15h -> Target 5 configuration */
548 u8 NVM_Targ6Config; /* 16h -> Target 6 configuration */
549 u8 NVM_Targ7Config; /* 17h -> Target 7 configuration */
550 u8 NVM_Targ8Config; /* 18h -> Target 8 configuration */
551 u8 NVM_Targ9Config; /* 19h -> Target 9 configuration */
552 u8 NVM_TargAConfig; /* 1Ah -> Target A configuration */
553 u8 NVM_TargBConfig; /* 1Bh -> Target B configuration */
554 u8 NVM_TargCConfig; /* 1Ch -> Target C configuration */
555 u8 NVM_TargDConfig; /* 1Dh -> Target D configuration */
556 u8 NVM_TargEConfig; /* 1Eh -> Target E configuration */
557 u8 NVM_TargFConfig; /* 1Fh -> Target F configuration */
558 } NVRAM_SCSI;
559
560 typedef struct _NVRAM {
561 /*----------header ---------------*/
562 u16 NVM_Signature; /* 0,1: Signature */
563 u8 NVM_Size; /* 2: Size of data structure */
564 u8 NVM_Revision; /* 3: Revision of data structure */
565 /* ----Host Adapter Structure ---- */
566 u8 NVM_ModelByte0; /* 4: Model number (byte 0) */
567 u8 NVM_ModelByte1; /* 5: Model number (byte 1) */
568 u8 NVM_ModelInfo; /* 6: Model information */
569 u8 NVM_NumOfCh; /* 7: Number of SCSI channel */
570 u8 NVM_BIOSConfig1; /* 8: BIOS configuration 1 */
571 u8 NVM_BIOSConfig2; /* 9: BIOS configuration 2 */
572 u8 NVM_HAConfig1; /* A: Hoat adapter configuration 1 */
573 u8 NVM_HAConfig2; /* B: Hoat adapter configuration 2 */
574 NVRAM_SCSI NVM_SCSIInfo[2];
575 u8 NVM_reserved[10];
576 /* ---------- CheckSum ---------- */
577 u16 NVM_CheckSum; /* 0x3E, 0x3F: Checksum of NVRam */
578 } NVRAM, *PNVRAM;
579
580 /* Bios Configuration for nvram->BIOSConfig1 */
581 #define NBC1_ENABLE 0x01 /* BIOS enable */
582 #define NBC1_8DRIVE 0x02 /* Support more than 2 drives */
583 #define NBC1_REMOVABLE 0x04 /* Support removable drive */
584 #define NBC1_INT19 0x08 /* Intercept int 19h */
585 #define NBC1_BIOSSCAN 0x10 /* Dynamic BIOS scan */
586 #define NBC1_LUNSUPPORT 0x40 /* Support LUN */
587
588 /* HA Configuration Byte 1 */
589 #define NHC1_BOOTIDMASK 0x0F /* Boot ID number */
590 #define NHC1_LUNMASK 0x70 /* Boot LUN number */
591 #define NHC1_CHANMASK 0x80 /* Boot Channel number */
592
593 /* Bit definition for nvram->SCSIconfig1 */
594 #define NCC1_BUSRESET 0x01 /* Reset SCSI bus at power up */
595 #define NCC1_PARITYCHK 0x02 /* SCSI parity enable */
596 #define NCC1_ACTTERM1 0x04 /* Enable active terminator 1 */
597 #define NCC1_ACTTERM2 0x08 /* Enable active terminator 2 */
598 #define NCC1_AUTOTERM 0x10 /* Enable auto terminator */
599 #define NCC1_PWRMGR 0x80 /* Enable power management */
600
601 /* Bit definition for SCSI Target configuration byte */
602 #define NTC_DISCONNECT 0x08 /* Enable SCSI disconnect */
603 #define NTC_SYNC 0x10 /* SYNC_NEGO */
604 #define NTC_NO_WDTR 0x20 /* SYNC_NEGO */
605 #define NTC_1GIGA 0x40 /* 255 head / 63 sectors (64/32) */
606 #define NTC_SPINUP 0x80 /* Start disk drive */
607
608 /* Default NVRam values */
609 #define INI_SIGNATURE 0xC925
610 #define NBC1_DEFAULT (NBC1_ENABLE)
611 #define NCC1_DEFAULT (NCC1_BUSRESET | NCC1_AUTOTERM | NCC1_PARITYCHK)
612 #define NTC_DEFAULT (NTC_NO_WDTR | NTC_1GIGA | NTC_DISCONNECT)
613
614 /* SCSI related definition */
615 #define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */
616 #define DISC_ALLOW 0xC0 /* Disconnect is allowed */
617 #define SCSICMD_RequestSense 0x03
618
619 #define SCSI_ABORT_SNOOZE 0
620 #define SCSI_ABORT_SUCCESS 1
621 #define SCSI_ABORT_PENDING 2
622 #define SCSI_ABORT_BUSY 3
623 #define SCSI_ABORT_NOT_RUNNING 4
624 #define SCSI_ABORT_ERROR 5
625
626 #define SCSI_RESET_SNOOZE 0
627 #define SCSI_RESET_PUNT 1
628 #define SCSI_RESET_SUCCESS 2
629 #define SCSI_RESET_PENDING 3
630 #define SCSI_RESET_WAKEUP 4
631 #define SCSI_RESET_NOT_RUNNING 5
632 #define SCSI_RESET_ERROR 6
633
634 #define SCSI_RESET_SYNCHRONOUS 0x01
635 #define SCSI_RESET_ASYNCHRONOUS 0x02
636 #define SCSI_RESET_SUGGEST_BUS_RESET 0x04
637 #define SCSI_RESET_SUGGEST_HOST_RESET 0x08
638
639 #define SCSI_RESET_BUS_RESET 0x100
640 #define SCSI_RESET_HOST_RESET 0x200
641 #define SCSI_RESET_ACTION 0xff
642
643 struct initio_cmd_priv {
644 dma_addr_t sense_dma_addr;
645 dma_addr_t sglist_dma_addr;
646 };
647
initio_priv(struct scsi_cmnd * cmd)648 static inline struct initio_cmd_priv *initio_priv(struct scsi_cmnd *cmd)
649 {
650 return scsi_cmd_priv(cmd);
651 }
652