File: /usr/src/linux/drivers/scsi/i60uscsi.h

1     /**************************************************************************
2      * Initio A100 device driver for Linux.
3      *
4      * Copyright (c) 1994-1998 Initio Corporation
5      * All rights reserved.
6      *
7      * This program is free software; you can redistribute it and/or modify
8      * it under the terms of the GNU General Public License as published by
9      * the Free Software Foundation; either version 2, or (at your option)
10      * any later version.
11      *
12      * This program is distributed in the hope that it will be useful,
13      * but WITHOUT ANY WARRANTY; without even the implied warranty of
14      * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15      * GNU General Public License for more details.
16      *
17      * You should have received a copy of the GNU General Public License
18      * along with this program; see the file COPYING.  If not, write to
19      * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
20      *
21      * --------------------------------------------------------------------------
22      *
23      * Redistribution and use in source and binary forms, with or without
24      * modification, are permitted provided that the following conditions
25      * are met:
26      * 1. Redistributions of source code must retain the above copyright
27      *    notice, this list of conditions, and the following disclaimer,
28      *    without modification, immediately at the beginning of the file.
29      * 2. Redistributions in binary form must reproduce the above copyright
30      *    notice, this list of conditions and the following disclaimer in the
31      *    documentation and/or other materials provided with the distribution.
32      * 3. The name of the author may not be used to endorse or promote products
33      *    derived from this software without specific prior written permission.
34      *
35      * Where this Software is combined with software released under the terms of 
36      * the GNU General Public License ("GPL") and the terms of the GPL would require the 
37      * combined work to also be released under the terms of the GPL, the terms
38      * and conditions of this License will apply in addition to those of the
39      * GPL with the exception of any terms or conditions of this License that
40      * conflict with, or are expressly prohibited by, the GPL.
41      *
42      * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
43      * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
44      * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
45      * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
46      * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
47      * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
48      * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49      * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
50      * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
51      * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52      * SUCH DAMAGE.
53      *
54      **************************************************************************
55      *
56      * Module: inia100.h
57      * Description: INI-A100U2W LINUX device driver header
58      * Revision History:
59      *	06/18/98 HL, Initial Version 1.02
60      *	12/19/98 bv, v1.02a Use spinlocks for 2.1.95 and up.
61      **************************************************************************/
62     
63     #include <linux/config.h>
64     
65     #define ULONG   unsigned long
66     #define PVOID   void *
67     #define USHORT  unsigned short
68     #define UCHAR   unsigned char
69     #define BYTE    unsigned char
70     #define WORD    unsigned short
71     #define DWORD   unsigned long
72     #define UBYTE   unsigned char
73     #define UWORD   unsigned short
74     #define UDWORD  unsigned long
75     #ifdef ALPHA
76     #define U32     unsigned int
77     #else
78     #define U32     unsigned long
79     #endif
80     
81     #ifndef NULL
82     #define NULL     0		/* zero          */
83     #endif
84     #ifndef TRUE
85     #define TRUE     (1)		/* boolean true  */
86     #endif
87     #ifndef FALSE
88     #define FALSE    (0)		/* boolean false */
89     #endif
90     #ifndef FAILURE
91     #define FAILURE  (-1)
92     #endif
93     #if 1
94     #define ORC_MAXQUEUE		245
95     #else
96     #define ORC_MAXQUEUE		25
97     #endif
98     
99     #define TOTAL_SG_ENTRY		32
100     #define MAX_TARGETS		16
101     #define IMAX_CDB			15
102     #define SENSE_SIZE		14
103     #define MAX_SUPPORTED_ADAPTERS  4
104     #define SUCCESSFUL              0x00
105     
106     #define I920_DEVICE_ID	0x0002	/* Initio's inic-950 product ID   */
107     
108     /************************************************************************/
109     /*              Scatter-Gather Element Structure                        */
110     /************************************************************************/
111     typedef struct ORC_SG_Struc {
112     	U32 SG_Ptr;		/* Data Pointer */
113     	U32 SG_Len;		/* Data Length */
114     } ORC_SG;
115     
116     typedef struct inia100_Adpt_Struc {
117     	UWORD ADPT_BIOS;	/* 0 */
118     	UWORD ADPT_BASE;	/* 1 */
119     	UBYTE ADPT_Bus;		/* 2 */
120     	UBYTE ADPT_Device;	/* 3 */
121     	UBYTE ADPT_INTR;	/* 4 */
122     } INIA100_ADPT_STRUCT;
123     
124     
125     /* SCSI related definition                                              */
126     #define DISC_NOT_ALLOW          0x80	/* Disconnect is not allowed    */
127     #define DISC_ALLOW              0xC0	/* Disconnect is allowed        */
128     
129     
130     #define ORC_OFFSET_SCB			16
131     #define ORC_MAX_SCBS		    250
132     #define MAX_CHANNELS       2
133     #define MAX_ESCB_ELE				64
134     #define TCF_DRV_255_63     0x0400
135     
136     /********************************************************/
137     /*      Orchid Configuration Register Set               */
138     /********************************************************/
139     #define ORC_PVID	0x00	/* Vendor ID                      */
140     #define ORC_VENDOR_ID	0x1101	/* Orchid vendor ID               */
141     #define ORC_PDID        0x02	/* Device ID                    */
142     #define ORC_DEVICE_ID	0x1060	/* Orchid device ID               */
143     #define ORC_COMMAND	0x04	/* Command                        */
144     #define BUSMS		0x04	/* BUS MASTER Enable              */
145     #define IOSPA		0x01	/* IO Space Enable                */
146     #define ORC_STATUS	0x06	/* Status register                */
147     #define ORC_REVISION	0x08	/* Revision number                */
148     #define ORC_BASE	0x10	/* Base address                   */
149     #define ORC_BIOS	0x50	/* Expansion ROM base address     */
150     #define ORC_INT_NUM	0x3C	/* Interrupt line         */
151     #define ORC_INT_PIN	0x3D	/* Interrupt pin          */
152     
153     
154     /********************************************************/
155     /*      Orchid Host Command Set                         */
156     /********************************************************/
157     #define ORC_CMD_NOP		0x00	/* Host command - NOP             */
158     #define ORC_CMD_VERSION		0x01	/* Host command - Get F/W version */
159     #define ORC_CMD_ECHO		0x02	/* Host command - ECHO            */
160     #define ORC_CMD_SET_NVM		0x03	/* Host command - Set NVRAM       */
161     #define ORC_CMD_GET_NVM		0x04	/* Host command - Get NVRAM       */
162     #define ORC_CMD_GET_BUS_STATUS	0x05	/* Host command - Get SCSI bus status */
163     #define ORC_CMD_ABORT_SCB	0x06	/* Host command - Abort SCB       */
164     #define ORC_CMD_ISSUE_SCB	0x07	/* Host command - Issue SCB       */
165     
166     /********************************************************/
167     /*              Orchid Register Set                     */
168     /********************************************************/
169     #define ORC_GINTS	0xA0	/* Global Interrupt Status        */
170     #define QINT		0x04	/* Reply Queue Interrupt  */
171     #define ORC_GIMSK	0xA1	/* Global Interrupt MASK  */
172     #define MQINT		0x04	/* Mask Reply Queue Interrupt     */
173     #define	ORC_GCFG	0xA2	/* Global Configure               */
174     #define EEPRG		0x01	/* Enable EEPROM programming */
175     #define	ORC_GSTAT	0xA3	/* Global status          */
176     #define WIDEBUS		0x10	/* Wide SCSI Devices connected    */
177     #define ORC_HDATA	0xA4	/* Host Data                      */
178     #define ORC_HCTRL	0xA5	/* Host Control                   */
179     #define SCSIRST		0x80	/* SCSI bus reset         */
180     #define HDO			0x40	/* Host data out          */
181     #define HOSTSTOP		0x02	/* Host stop RISC engine  */
182     #define DEVRST		0x01	/* Device reset                   */
183     #define ORC_HSTUS	0xA6	/* Host Status                    */
184     #define HDI			0x02	/* Host data in                   */
185     #define RREADY		0x01	/* RISC engine is ready to receive */
186     #define	ORC_NVRAM	0xA7	/* Nvram port address             */
187     #define SE2CS		0x008
188     #define SE2CLK		0x004
189     #define SE2DO		0x002
190     #define SE2DI		0x001
191     #define ORC_PQUEUE	0xA8	/* Posting queue FIFO             */
192     #define ORC_PQCNT	0xA9	/* Posting queue FIFO Cnt */
193     #define ORC_RQUEUE	0xAA	/* Reply queue FIFO               */
194     #define ORC_RQUEUECNT	0xAB	/* Reply queue FIFO Cnt           */
195     #define	ORC_FWBASEADR	0xAC	/* Firmware base address  */
196     
197     #define	ORC_EBIOSADR0 0xB0	/* External Bios address */
198     #define	ORC_EBIOSADR1 0xB1	/* External Bios address */
199     #define	ORC_EBIOSADR2 0xB2	/* External Bios address */
200     #define	ORC_EBIOSDATA 0xB3	/* External Bios address */
201     
202     #define	ORC_SCBSIZE	0xB7	/* SCB size register              */
203     #define	ORC_SCBBASE0	0xB8	/* SCB base address 0             */
204     #define	ORC_SCBBASE1	0xBC	/* SCB base address 1             */
205     
206     #define	ORC_RISCCTL	0xE0	/* RISC Control                   */
207     #define PRGMRST		0x002
208     #define DOWNLOAD		0x001
209     #define	ORC_PRGMCTR0	0xE2	/* RISC program counter           */
210     #define	ORC_PRGMCTR1	0xE3	/* RISC program counter           */
211     #define	ORC_RISCRAM	0xEC	/* RISC RAM data port 4 bytes     */
212     
213     typedef struct orc_extended_scb {	/* Extended SCB                 */
214     	ORC_SG ESCB_SGList[TOTAL_SG_ENTRY];	/*0 Start of SG list              */
215     	unsigned char *SCB_Srb;	/*50 SRB Pointer */
216     //         Scsi_Cmnd    *SCB_Srb;       /*50 SRB Pointer */
217     } ESCB;
218     
219     /***********************************************************************
220     		SCSI Control Block
221     ************************************************************************/
222     typedef struct orc_scb {	/* Scsi_Ctrl_Blk                */
223     	UBYTE SCB_Opcode;	/*00 SCB command code&residual  */
224     	UBYTE SCB_Flags;	/*01 SCB Flags                  */
225     	UBYTE SCB_Target;	/*02 Target Id                  */
226     	UBYTE SCB_Lun;		/*03 Lun                        */
227     	U32 SCB_Reserved0;	/*04 Reserved for ORCHID must 0 */
228     	U32 SCB_XferLen;	/*08 Data Transfer Length       */
229     	U32 SCB_Reserved1;	/*0C Reserved for ORCHID must 0 */
230     	U32 SCB_SGLen;		/*10 SG list # * 8              */
231     	U32 SCB_SGPAddr;	/*14 SG List Buf physical Addr  */
232     	U32 SCB_SGPAddrHigh;	/*18 SG Buffer high physical Addr */
233     	UBYTE SCB_HaStat;	/*1C Host Status                */
234     	UBYTE SCB_TaStat;	/*1D Target Status              */
235     	UBYTE SCB_Status;	/*1E SCB status                 */
236     	UBYTE SCB_Link;		/*1F Link pointer, default 0xFF */
237     	UBYTE SCB_SenseLen;	/*20 Sense Allocation Length    */
238     	UBYTE SCB_CDBLen;	/*21 CDB Length                 */
239     	UBYTE SCB_Ident;	/*22 Identify                   */
240     	UBYTE SCB_TagMsg;	/*23 Tag Message                */
241     	UBYTE SCB_CDB[IMAX_CDB];	/*24 SCSI CDBs                  */
242     	UBYTE SCB_ScbIdx;	/*3C Index for this ORCSCB      */
243     	U32 SCB_SensePAddr;	/*34 Sense Buffer physical Addr */
244     
245     	ESCB *SCB_EScb;		/*38 Extended SCB Pointer       */
246     #ifndef ALPHA
247     	UBYTE SCB_Reserved2[4];	/*3E Reserved for Driver use    */
248     #endif
249     } ORC_SCB;
250     
251     /* Opcodes of ORCSCB_Opcode */
252     #define ORC_EXECSCSI	0x00	/* SCSI initiator command with residual */
253     #define ORC_BUSDEVRST	0x01	/* SCSI Bus Device Reset  */
254     
255     /* Status of ORCSCB_Status */
256     #define SCB_COMPLETE	0x00	/* SCB request completed  */
257     #define SCB_POST	0x01	/* SCB is posted by the HOST      */
258     
259     /* Bit Definition for ORCSCB_Flags */
260     #define SCF_DISINT	0x01	/* Disable HOST interrupt */
261     #define SCF_DIR		0x18	/* Direction bits         */
262     #define SCF_NO_DCHK	0x00	/* Direction determined by SCSI   */
263     #define SCF_DIN		0x08	/* From Target to Initiator       */
264     #define SCF_DOUT	0x10	/* From Initiator to Target       */
265     #define SCF_NO_XF	0x18	/* No data transfer               */
266     #define SCF_POLL   0x40
267     
268     /* Error Codes for ORCSCB_HaStat */
269     #define HOST_SEL_TOUT	0x11
270     #define HOST_DO_DU	0x12
271     #define HOST_BUS_FREE	0x13
272     #define HOST_BAD_PHAS	0x14
273     #define HOST_INV_CMD	0x16
274     #define HOST_SCSI_RST	0x1B
275     #define HOST_DEV_RST	0x1C
276     
277     
278     /* Error Codes for ORCSCB_TaStat */
279     #define TARGET_CHK_COND	0x02
280     #define TARGET_BUSY	0x08
281     #define TARGET_TAG_FULL	0x28
282     
283     
284     /* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */
285     #define MSG_STAG	0x20
286     #define MSG_HTAG	0x21
287     #define MSG_OTAG	0x22
288     
289     #define MSG_IGNOREWIDE	0x23
290     
291     #define MSG_IDENT	0x80
292     #define MSG_DISC	0x40	/* Disconnect allowed             */
293     
294     
295     /* SCSI MESSAGE */
296     #define	MSG_EXTEND	0x01
297     #define	MSG_SDP		0x02
298     #define	MSG_ABORT	0x06
299     #define	MSG_REJ		0x07
300     #define	MSG_NOP		0x08
301     #define	MSG_PARITY	0x09
302     #define	MSG_DEVRST	0x0C
303     #define	MSG_STAG	0x20
304     
305     /***********************************************************************
306     		Target Device Control Structure
307     **********************************************************************/
308     
309     typedef struct ORC_Tar_Ctrl_Struc {
310     	UBYTE TCS_DrvDASD;	/* 6 */
311     	UBYTE TCS_DrvSCSI;	/* 7 */
312     	UBYTE TCS_DrvHead;	/* 8 */
313     	UWORD TCS_DrvFlags;	/* 4 */
314     	UBYTE TCS_DrvSector;	/* 7 */
315     } ORC_TCS, *PORC_TCS;
316     
317     /* Bit Definition for TCF_DrvFlags */
318     #define	TCS_DF_NODASD_SUPT	0x20	/* Suppress OS/2 DASD Mgr support */
319     #define	TCS_DF_NOSCSI_SUPT	0x40	/* Suppress OS/2 SCSI Mgr support */
320     
321     
322     /***********************************************************************
323                   Host Adapter Control Structure
324     ************************************************************************/
325     typedef struct ORC_Ha_Ctrl_Struc {
326     	USHORT HCS_Base;	/* 00 */
327     	UBYTE HCS_Index;	/* 02 */
328     	UBYTE HCS_Intr;		/* 04 */
329     	UBYTE HCS_SCSI_ID;	/* 06    H/A SCSI ID */
330     	UBYTE HCS_BIOS;		/* 07    BIOS configuration */
331     
332     	UBYTE HCS_Flags;	/* 0B */
333     	UBYTE HCS_HAConfig1;	/* 1B    SCSI0MAXTags */
334     	UBYTE HCS_MaxTar;	/* 1B    SCSI0MAXTags */
335     
336     	USHORT HCS_Units;	/* Number of units this adapter  */
337     	USHORT HCS_AFlags;	/* Adapter info. defined flags   */
338     	ULONG HCS_Timeout;	/* Adapter timeout value   */
339     	PVOID HCS_virScbArray;	/* 28 Virtual Pointer to SCB array     */
340     	U32 HCS_physScbArray;	/* Scb Physical address */
341     	PVOID HCS_virEscbArray;	/* Virtual pointer to ESCB Scatter list */
342     	U32 HCS_physEscbArray;	/* scatter list Physical address */
343     	UBYTE TargetFlag[16];	/* 30  target configuration, TCF_EN_TAG */
344     	UBYTE MaximumTags[16];	/* 40  ORC_MAX_SCBS */
345     	UBYTE ActiveTags[16][16];	/* 50 */
346     	ORC_TCS HCS_Tcs[16];	/* 28 */
347     	U32 BitAllocFlag[MAX_CHANNELS][8];	/* Max STB is 256, So 256/32 */
348     #if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
349     	spinlock_t BitAllocFlagLock;
350     #endif
351     	ULONG pSRB_head;
352     	ULONG pSRB_tail;
353     #if LINUX_VERSION_CODE >= CVT_LINUX_VERSION(2,1,95)
354     	spinlock_t pSRB_lock;
355     #endif
356     } ORC_HCS;
357     
358     /* Bit Definition for HCS_Flags */
359     
360     #define HCF_SCSI_RESET	0x01	/* SCSI BUS RESET         */
361     #define HCF_PARITY    	0x02	/* parity card                    */
362     #define HCF_LVDS     	0x10	/* parity card                    */
363     
364     /* Bit Definition for TargetFlag */
365     
366     #define TCF_EN_255	    0x08
367     #define TCF_EN_TAG	    0x10
368     #define TCF_BUSY	      0x20
369     #define TCF_DISCONNECT	0x40
370     #define TCF_SPIN_UP	  0x80
371     
372     /* Bit Definition for HCS_AFlags */
373     #define	HCS_AF_IGNORE		0x01	/* Adapter ignore         */
374     #define	HCS_AF_DISABLE_RESET	0x10	/* Adapter disable reset  */
375     #define	HCS_AF_DISABLE_ADPT	0x80	/* Adapter disable                */
376     
377     
378     /*---------------------------------------*/
379     /* TimeOut for RESET to complete (30s)   */
380     /*                                       */
381     /* After a RESET the drive is checked    */
382     /* every 200ms.                          */
383     /*---------------------------------------*/
384     #define DELAYED_RESET_MAX       (30*1000L)
385     #define DELAYED_RESET_INTERVAL  200L
386     
387     /*----------------------------------------------*/
388     /* TimeOut for IRQ from last interrupt (5s)     */
389     /*----------------------------------------------*/
390     #define IRQ_TIMEOUT_INTERVAL    (5*1000L)
391     
392     /*----------------------------------------------*/
393     /* Retry Delay interval (200ms)                 */
394     /*----------------------------------------------*/
395     #define DELAYED_RETRY_INTERVAL  200L
396     
397     #define	INQUIRY_SIZE		36
398     #define	CAPACITY_SIZE		8
399     #define	DEFAULT_SENSE_LEN	14
400     
401     #define	DEVICE_NOT_FOUND	0x86
402     
403     /*----------------------------------------------*/
404     /* Definition for PCI device                    */
405     /*----------------------------------------------*/
406     #define	MAX_PCI_DEVICES	21
407     #define	MAX_PCI_BUSES	8
408     
409     typedef struct Adpt_Struc {
410     	USHORT ADPT_BIOS;	/* 0 */
411     	UBYTE ADPT_BASE;	/* 1 */
412     	UBYTE ADPT_Bus;		/* 2 */
413     	UBYTE ADPT_Device;	/* 3 */
414     	UBYTE ADPT_Reserved[3];
415     } JACS, *PJACS;
416     
417     typedef struct _NVRAM {
418     /*----------header ---------------*/
419     	UCHAR SubVendorID0;	/* 00 - Sub Vendor ID           */
420     	UCHAR SubVendorID1;	/* 00 - Sub Vendor ID           */
421     	UCHAR SubSysID0;	/* 02 - Sub System ID           */
422     	UCHAR SubSysID1;	/* 02 - Sub System ID           */
423     	UCHAR SubClass;		/* 04 - Sub Class               */
424     	UCHAR VendorID0;	/* 05 - Vendor ID               */
425     	UCHAR VendorID1;	/* 05 - Vendor ID               */
426     	UCHAR DeviceID0;	/* 07 - Device ID               */
427     	UCHAR DeviceID1;	/* 07 - Device ID               */
428     	UCHAR Reserved0[2];	/* 09 - Reserved                */
429     	UCHAR Revision;		/* 0B - Revision of data structure */
430     	/* ----Host Adapter Structure ---- */
431     	UCHAR NumOfCh;		/* 0C - Number of SCSI channel  */
432     	UCHAR BIOSConfig1;	/* 0D - BIOS configuration 1    */
433     	UCHAR BIOSConfig2;	/* 0E - BIOS boot channel&target ID */
434     	UCHAR BIOSConfig3;	/* 0F - BIOS configuration 3    */
435     	/* ----SCSI channel Structure ---- */
436     	/* from "CTRL-I SCSI Host Adapter SetUp menu "  */
437     	UCHAR SCSI0Id;		/* 10 - Channel 0 SCSI ID       */
438     	UCHAR SCSI0Config;	/* 11 - Channel 0 SCSI configuration */
439     	UCHAR SCSI0MaxTags;	/* 12 - Channel 0 Maximum tags  */
440     	UCHAR SCSI0ResetTime;	/* 13 - Channel 0 Reset recovering time */
441     	UCHAR ReservedforChannel0[2];	/* 14 - Reserved                */
442     
443     	/* ----SCSI target Structure ----  */
444     	/* from "CTRL-I SCSI device SetUp menu "                        */
445     	UCHAR Target00Config;	/* 16 - Channel 0 Target 0 config */
446     	UCHAR Target01Config;	/* 17 - Channel 0 Target 1 config */
447     	UCHAR Target02Config;	/* 18 - Channel 0 Target 2 config */
448     	UCHAR Target03Config;	/* 19 - Channel 0 Target 3 config */
449     	UCHAR Target04Config;	/* 1A - Channel 0 Target 4 config */
450     	UCHAR Target05Config;	/* 1B - Channel 0 Target 5 config */
451     	UCHAR Target06Config;	/* 1C - Channel 0 Target 6 config */
452     	UCHAR Target07Config;	/* 1D - Channel 0 Target 7 config */
453     	UCHAR Target08Config;	/* 1E - Channel 0 Target 8 config */
454     	UCHAR Target09Config;	/* 1F - Channel 0 Target 9 config */
455     	UCHAR Target0AConfig;	/* 20 - Channel 0 Target A config */
456     	UCHAR Target0BConfig;	/* 21 - Channel 0 Target B config */
457     	UCHAR Target0CConfig;	/* 22 - Channel 0 Target C config */
458     	UCHAR Target0DConfig;	/* 23 - Channel 0 Target D config */
459     	UCHAR Target0EConfig;	/* 24 - Channel 0 Target E config */
460     	UCHAR Target0FConfig;	/* 25 - Channel 0 Target F config */
461     
462     	UCHAR SCSI1Id;		/* 26 - Channel 1 SCSI ID       */
463     	UCHAR SCSI1Config;	/* 27 - Channel 1 SCSI configuration */
464     	UCHAR SCSI1MaxTags;	/* 28 - Channel 1 Maximum tags  */
465     	UCHAR SCSI1ResetTime;	/* 29 - Channel 1 Reset recovering time */
466     	UCHAR ReservedforChannel1[2];	/* 2A - Reserved                */
467     
468     	/* ----SCSI target Structure ----  */
469     	/* from "CTRL-I SCSI device SetUp menu "                                          */
470     	UCHAR Target10Config;	/* 2C - Channel 1 Target 0 config */
471     	UCHAR Target11Config;	/* 2D - Channel 1 Target 1 config */
472     	UCHAR Target12Config;	/* 2E - Channel 1 Target 2 config */
473     	UCHAR Target13Config;	/* 2F - Channel 1 Target 3 config */
474     	UCHAR Target14Config;	/* 30 - Channel 1 Target 4 config */
475     	UCHAR Target15Config;	/* 31 - Channel 1 Target 5 config */
476     	UCHAR Target16Config;	/* 32 - Channel 1 Target 6 config */
477     	UCHAR Target17Config;	/* 33 - Channel 1 Target 7 config */
478     	UCHAR Target18Config;	/* 34 - Channel 1 Target 8 config */
479     	UCHAR Target19Config;	/* 35 - Channel 1 Target 9 config */
480     	UCHAR Target1AConfig;	/* 36 - Channel 1 Target A config */
481     	UCHAR Target1BConfig;	/* 37 - Channel 1 Target B config */
482     	UCHAR Target1CConfig;	/* 38 - Channel 1 Target C config */
483     	UCHAR Target1DConfig;	/* 39 - Channel 1 Target D config */
484     	UCHAR Target1EConfig;	/* 3A - Channel 1 Target E config */
485     	UCHAR Target1FConfig;	/* 3B - Channel 1 Target F config */
486     	UCHAR reserved[3];	/* 3C - Reserved                */
487     	/* ---------- CheckSum ----------       */
488     	UCHAR CheckSum;		/* 3F - Checksum of NVRam       */
489     } NVRAM, *PNVRAM;
490     
491     /* Bios Configuration for nvram->BIOSConfig1                            */
492     #define NBC_BIOSENABLE	0x01	/* BIOS enable                    */
493     #define NBC_CDROM	0x02	/* Support bootable CDROM */
494     #define NBC_REMOVABLE	0x04	/* Support removable drive        */
495     
496     /* Bios Configuration for nvram->BIOSConfig2                            */
497     #define	NBB_TARGET_MASK	0x0F	/* Boot SCSI target ID number     */
498     #define	NBB_CHANL_MASK	0xF0	/* Boot SCSI channel number       */
499     
500     /* Bit definition for nvram->SCSIConfig                                 */
501     #define NCC_BUSRESET	0x01	/* Reset SCSI bus at power up     */
502     #define NCC_PARITYCHK	0x02	/* SCSI parity enable             */
503     #define NCC_LVDS	0x10	/* Enable LVDS                    */
504     #define NCC_ACTTERM1	0x20	/* Enable active terminator 1     */
505     #define NCC_ACTTERM2	0x40	/* Enable active terminator 2     */
506     #define NCC_AUTOTERM	0x80	/* Enable auto termination        */
507     
508     /* Bit definition for nvram->TargetxConfig                              */
509     #define	NTC_PERIOD	0x07	/* Maximum Sync. Speed            */
510     #define NTC_1GIGA	0x08	/* 255 head / 63 sectors (64/32) */
511     #define NTC_NO_SYNC	0x10	/* NO SYNC. NEGO          */
512     #define NTC_NO_WIDESYNC	0x20	/* NO WIDE SYNC. NEGO             */
513     #define	NTC_DISC_ENABLE	0x40	/* Enable SCSI disconnect */
514     #define NTC_SPINUP	0x80	/* Start disk drive               */
515     
516     /* Default NVRam values                                                 */
517     #define NBC_DEFAULT	(NBC_ENABLE)
518     #define NCC_DEFAULT	(NCC_BUSRESET | NCC_AUTOTERM | NCC_PARITYCHK)
519     #define NCC_MAX_TAGS	0x20	/* Maximum tags per target        */
520     #define	NCC_RESET_TIME	0x0A	/* SCSI RESET recovering time     */
521     #define NTC_DEFAULT	(NTC_1GIGA | NTC_NO_WIDESYNC | NTC_DISC_ENABLE)
522     
523     typedef union {			/* Union define for mechanism 1   */
524     	struct {
525     		unsigned char RegNum;
526     		unsigned char FcnNum:3;
527     		unsigned char DeviceNum:5;
528     		unsigned char BusNum;
529     		unsigned char Reserved:7;
530     		unsigned char Enable:1;
531     	} sConfigAdr;
532     	unsigned long lConfigAdr;
533     } CONFIG_ADR;
534     
535     typedef union {			/* Union define for mechanism 2   */
536     	struct {
537     		unsigned char RegNum;
538     		unsigned char DeviceNum;
539     		unsigned short Reserved;
540     	} sHostAdr;
541     	unsigned long lHostAdr;
542     } HOST_ADR;
543     
544     #define ORC_RD(x,y)             (UCHAR)(inb(  (int)((ULONG)((ULONG)x+(UCHAR)y)) ))
545     #define ORC_RDLONG(x,y)         (long)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) ))
546     
547     #define ORC_WR(     adr,data)   outb( (UCHAR)(data), (int)(adr))
548     #define ORC_WRSHORT(adr,data)   outw( (UWORD)(data), (int)(adr))
549     #define ORC_WRLONG( adr,data)   outl( (ULONG)(data), (int)(adr))
550     
551     
552     #define SCSI_ABORT_SNOOZE 0
553     #define SCSI_ABORT_SUCCESS 1
554     #define SCSI_ABORT_PENDING 2
555     #define SCSI_ABORT_BUSY 3
556     #define SCSI_ABORT_NOT_RUNNING 4
557     #define SCSI_ABORT_ERROR 5
558     
559     #define SCSI_RESET_SNOOZE 0
560     #define SCSI_RESET_PUNT 1
561     #define SCSI_RESET_SUCCESS 2
562     #define SCSI_RESET_PENDING 3
563     #define SCSI_RESET_WAKEUP 4
564     #define SCSI_RESET_NOT_RUNNING 5
565     #define SCSI_RESET_ERROR 6
566     
567     #define SCSI_RESET_SYNCHRONOUS		0x01
568     #define SCSI_RESET_ASYNCHRONOUS		0x02
569     #define SCSI_RESET_SUGGEST_BUS_RESET	0x04
570     #define SCSI_RESET_SUGGEST_HOST_RESET	0x08
571     
572     #define SCSI_RESET_BUS_RESET 0x100
573     #define SCSI_RESET_HOST_RESET 0x200
574     #define SCSI_RESET_ACTION   0xff
575