xref: /dragonfly/sys/dev/raid/asr/osd_unix.h (revision ce7a3582)
1 /*-
2  * Copyright (c) 1996-1999 Distributed Processing Technology Corporation
3  * All rights reserved.
4  *
5  * Redistribution and use in source form, with or without modification, are
6  * permitted provided that redistributions of source code must retain the
7  * above copyright notice, this list of conditions and the following disclaimer.
8  *
9  * This software is provided `as is' by Distributed Processing Technology and
10  * any express or implied warranties, including, but not limited to, the
11  * implied warranties of merchantability and fitness for a particular purpose,
12  * are disclaimed. In no event shall Distributed Processing Technology be
13  * liable for any direct, indirect, incidental, special, exemplary or
14  * consequential damages (including, but not limited to, procurement of
15  * substitute goods or services; loss of use, data, or profits; or business
16  * interruptions) however caused and on any theory of liability, whether in
17  * contract, strict liability, or tort (including negligence or otherwise)
18  * arising in any way out of the use of this driver software, even if advised
19  * of the possibility of such damage.
20  *
21  * $FreeBSD: src/sys/dev/asr/osd_unix.h,v 1.9 2005/01/06 01:42:29 imp Exp $
22  */
23 
24 #ifndef		__OSD_UNIX_H
25 #define		__OSD_UNIX_H
26 
27 /*File - OSD_UNIX.H */
28 /*****************************************************************************/
29 /*									     */
30 /*Description:								     */
31 /*									     */
32 /*    This file contains definitions for the UNIX OS dependent layer of the  */
33 /*DPT engine.								     */
34 /*									     */
35 /*Copyright Distributed Processing Technology, Corp.			     */
36 /*	  140 Candace Dr.						     */
37 /*	  Maitland, Fl. 32751	USA					     */
38 /*	  Phone: (407) 830-5522	 Fax: (407) 260-5366			     */
39 /*	  All Rights Reserved						     */
40 /*									     */
41 /*Author:	Bob Pasteur						     */
42 /*Date:		5/28/93							     */
43 /*									     */
44 /*Editors:								     */
45 /*		3/7/96	salyzyn@dpt.com					     */
46 /*			Added BSDi extensions				     */
47 /*		30/9/99 salyzyn@dpt.com					     */
48 /*			Added I2ORESCANCMD				     */
49 /*		7/12/99 salyzyn@dpt.com					     */
50 /*			Added I2ORESETCMD				     */
51 /*									     */
52 /*Remarks:								     */
53 /*									     */
54 /*									     */
55 /*****************************************************************************/
56 
57 /* Definitions - Defines & Constants ---------------------------------------*/
58 
59 #define	DPT_TurnAroundKey  0x01	   /* TurnAround Message Type for engine      */
60 #define	DPT_EngineKey	   0x02	   /* Message Que and Type for engine	      */
61 #define	DPT_LoggerKey	   0x03	   /* Message Type For Logger		      */
62 #define	DPT_CommEngineKey  0x04	   /* Message Que Type Created		      */
63 
64 #define	MSG_RECEIVE    0x40000000  /* Ored Into Logger PID For Return Msg     */
65 
66 #define	ENGMSG_ECHO	   0x00	   /* Turnarround Echo Engine Message	      */
67 #define	ENGMSG_OPEN	   0x01	   /* Turnarround Open Engine Message	      */
68 #define	ENGMSG_CLOSE	   0x02	   /* Turnarround Close Engine Message	      */
69 
70   /* Message Que Creation Flags */
71 
72 #define	MSG_URD		   00400
73 #define	MSG_UWR		   00200
74 #define	MSG_GRD		   00040
75 #define	MSG_GWR		   00020
76 #define	MSG_ORD		   00004
77 #define	MSG_OWR		   00002
78 #define	MSG_ALLRD	   00444
79 #define	MSG_ALLWR	   00222
80 
81   /* Message Que Creation Flags */
82 
83 #define	SHM_URD		   00400
84 #define	SHM_UWR		   00200
85 #define	SHM_GRD		   00040
86 #define	SHM_GWR		   00020
87 #define	SHM_ORD		   00004
88 #define	SHM_OWR		   00002
89 #define	SHM_ALLRD	   00444
90 #define	SHM_ALLWR	   00222
91 
92   /* Program Exit Codes */
93 
94 #define	ExitGoodStatus		 0
95 #define	ExitBadParameter	 1
96 #define	ExitSignalFail		 3
97 #define	ExitMsqAllocFail	 5
98 #define	ExitBuffAllocFail	 6
99 #define	ExitMsgSendFail		 8
100 #define	ExitMsgReceiveFail	 9
101 
102 #define	ExitEngOpenFail		 10
103 #define	ExitDuplicateEngine	 11
104 
105 #define	ExitCommAllocFail	 12
106 #define	ExitDuplicateCommEng	 13
107 #define	ExitCommConnectFail	 14
108 
109 #ifndef MAX_HAS
110 
111 #define	MAX_HAS			 18
112 #define	MAX_NAME		 100
113 
114 #endif	/* ifndef MAX_HAS */
115 
116 
117 typedef struct {
118 	uCHAR ConfigLength[4];	     /* Len in bytes after this field.	    */
119 	uCHAR EATAsignature[4];
120 	uCHAR EATAversion;
121 	uCHAR Flags1;
122 	uCHAR PadLength[2];
123 	uCHAR HBA[4];
124 	uCHAR CPlength[4];	     /* Command Packet Length		    */
125 	uCHAR SPlength[4];	     /* Status Packet Length		    */
126 	uCHAR QueueSize[2];	     /* Controller Que depth		    */
127 	uCHAR SG_Size[4];
128 	uCHAR Flags2;
129 	uCHAR Reserved0;	     /* Reserved Field			     */
130 	uCHAR Flags3;
131 	uCHAR ScsiValues;
132 	uCHAR MaxLUN;		     /* Maximun LUN Supported		     */
133 	uCHAR Flags4;
134 	uCHAR RaidNum;		     /* RAID HBA Number For Stripping	     */
135 	uCHAR Reserved3;	     /* Reserved Field			     */
136 	       } DptReadConfig_t;
137 
138 #if defined(_DPT_SOLARIS)
139 
140 #include <sys/types.h>
141 #include <sys/ddidmareq.h>
142 #include <sys/mutex.h>
143 #include <sys/scsi/scsi.h>
144 /*#define	_KERNEL */
145 #include <sys/dditypes.h>
146 #include <sys/ddi_impldefs.h>
147 #include <sys/scsi/impl/transport.h>
148 /* #undef _KERNEL */
149 
150 #undef MSG_DISCONNECT
151 #define	MSG_DISCONNECT	0x11L
152 
153 #define	EATAUSRCMD     1
154 #define	DPT_SIGNATURE  2
155 #define	DPT_NUMCTRLS   3
156 #define	DPT_CTRLINFO   4
157 #define	DPT_SYSINFO    5
158 #define	DPT_BLINKLED   6
159 #define	I2OUSRCMD      7
160 /* #define	I2ORESCANCMD 8 */	/* Use DPT_IO_ACCESS instead */
161 /* #define	I2ORESETCMD  9 */	/* Use DPT_IO_ACCESS instead */
162 
163 #define	DPT_MAX_DMA_SEGS  32	     /* Max used Scatter/Gather seg	    */
164 
165 struct dpt_sg {
166        paddr_t data_addr;
167        uLONG data_len;
168 	      };
169 
170 typedef struct {
171 	uSHORT NumHBAs;
172 	uLONG IOAddrs[18];
173 	       } GetHbaInfo_t;
174 
175 #elif defined(_DPT_DGUX)
176 
177 #ifndef _IOWR
178 # define _IOWR(x,y,z)	(0x0fff3900|y)
179 #endif
180 #ifndef _IOW
181 # define _IOW(x,y,z)	(0x0fff3900|y)
182 #endif
183 #ifndef _IOR
184 # define _IOR(x,y,z)	(0x0fff3900|y)
185 #endif
186 #ifndef _IO
187 # define _IO(x,y)	(0x0fff3900|y)
188 #endif
189 /* EATA PassThrough Command	*/
190 #define	EATAUSRCMD	_IOWR('D',65,EATA_CP)
191 /* Get Signature Structure	*/
192 #define	DPT_SIGNATURE	_IOR('D',67,dpt_sig_S)
193 /* Get Number Of DPT Adapters	*/
194 #define	DPT_NUMCTRLS	_IOR('D',68,int)
195 /* Get Adapter Info Structure	*/
196 #define	DPT_CTRLINFO	_IOR('D',69,CtrlInfo)
197 /* Get System Info Structure	*/
198 #define	DPT_SYSINFO	_IOR('D',72,sysInfo_S)
199 /* Get Blink LED Code		*/
200 #define	DPT_BLINKLED	_IOR('D',75,int)
201 /* Get Statistical information (if available) */
202 #define	DPT_STATS_INFO	      _IOR('D',80,STATS_DATA)
203 /* Clear the statistical information	      */
204 #define	DPT_STATS_CLEAR	      _IO('D',81)
205 /* Send an I2O command */
206 #define	I2OUSRCMD	_IO('D',76)
207 /* Inform driver to re-acquire LCT information */
208 #define	I2ORESCANCMD	_IO('D',77)
209 /* Inform driver to reset adapter */
210 #define	I2ORESETCMD	_IO('D',78)
211 
212 #elif defined(SNI_MIPS)
213   /* Unix Ioctl Command definitions */
214 
215 #define	EATAUSRCMD     (('D'<<8)|65)
216 #define	DPT_DEBUG      (('D'<<8)|66)
217 #define	DPT_SIGNATURE  (('D'<<8)|67)
218 #define	DPT_NUMCTRLS   (('D'<<8)|68)
219 #define	DPT_CTRLINFO   (('D'<<8)|69)
220 #define	DPT_STATINFO   (('D'<<8)|70)
221 #define	DPT_CLRSTAT    (('D'<<8)|71)
222 #define	DPT_SYSINFO    (('D'<<8)|72)
223 /* Set Timeout Value		*/
224 #define	DPT_TIMEOUT    (('D'<<8)|73)
225 /* Get config Data		*/
226 #define	DPT_CONFIG     (('D'<<8)|74)
227 /* Get config Data		*/
228 #define	DPT_BLINKLED   (('D'<<8)|75)
229 /* Get Statistical information (if available) */
230 #define	DPT_STATS_INFO	      (('D'<<8)|80)
231 /* Clear the statistical information	      */
232 #define	DPT_STATS_CLEAR	      (('D'<<8)|81)
233 /* Send an I2O command */
234 #define	I2OUSRCMD	(('D'<<8)|76)
235 /* Inform driver to re-acquire LCT information */
236 #define	I2ORESCANCMD	(('D'<<8)|77)
237 /* Inform driver to reset adapter */
238 #define	I2ORESETCMD	(('D'<<8)|78)
239 
240 #else
241 
242   /* Unix Ioctl Command definitions */
243 
244 #ifdef _DPT_AIX
245 
246 #undef _IOWR
247 #undef _IOW
248 #undef _IOR
249 #undef _IO
250 #endif
251 
252 #ifndef _IOWR
253 # define _IOWR(x,y,z)	(((x)<<8)|y)
254 #endif
255 #ifndef _IOW
256 # define _IOW(x,y,z)	(((x)<<8)|y)
257 #endif
258 #ifndef _IOR
259 # define _IOR(x,y,z)	(((x)<<8)|y)
260 #endif
261 #ifndef _IO
262 # define _IO(x,y)	(((x)<<8)|y)
263 #endif
264 /* EATA PassThrough Command	*/
265 #define	EATAUSRCMD	_IOWR('D',65,EATA_CP)
266 /* Set Debug Level If Enabled	*/
267 #define	DPT_DEBUG	_IOW('D',66,int)
268 /* Get Signature Structure	*/
269 #define	DPT_SIGNATURE	_IOR('D',67,dpt_sig_S)
270 #if defined __bsdi__
271 #define	DPT_SIGNATURE_PACKED   _IOR('D',67,dpt_sig_S_Packed)
272 #endif
273 /* Get Number Of DPT Adapters	*/
274 #define	DPT_NUMCTRLS	_IOR('D',68,int)
275 /* Get Adapter Info Structure	*/
276 #define	DPT_CTRLINFO	_IOR('D',69,CtrlInfo)
277 /* Get Statistics If Enabled	*/
278 #define	DPT_STATINFO	_IO('D',70)
279 /* Clear Stats If Enabled	*/
280 #define	DPT_CLRSTAT	_IO('D',71)
281 /* Get System Info Structure	*/
282 #define	DPT_SYSINFO	_IOR('D',72,sysInfo_S)
283 /* Set Timeout Value		*/
284 #define	DPT_TIMEOUT	_IO('D',73)
285 /* Get config Data		*/
286 #define	DPT_CONFIG	_IO('D',74)
287 /* Get Blink LED Code		*/
288 #define	DPT_BLINKLED	_IOR('D',75,int)
289 /* Get Statistical information (if available) */
290 #define	DPT_STATS_INFO	      _IOR('D',80,STATS_DATA)
291 /* Clear the statistical information	      */
292 #define	DPT_STATS_CLEAR	      _IO('D',81)
293 /* Get Performance metrics */
294 #define	DPT_PERF_INFO	     _IOR('D',82,dpt_perf_t)
295 /* Send an I2O command */
296 #define	I2OUSRCMD	_IO('D',76)
297 /* Inform driver to re-acquire LCT information */
298 #define	I2ORESCANCMD	_IO('D',77)
299 /* Inform driver to reset adapter */
300 #define	I2ORESETCMD	_IO('D',78)
301 #if defined _DPT_LINUX
302 /* See if the target is mounted */
303 #define	DPT_TARGET_BUSY _IOR('D',79, TARGET_BUSY_T)
304 #endif
305 
306 
307 #endif	/* _DPT_SOLARIS else */
308 
309 		 /* Adapter Flags Field Bit Definitions */
310 
311 #define	CTLR_INSTALLED	0x00000001  /* Adapter Was Installed	    */
312 #define	CTLR_DMA	0x00000002  /* DMA Supported		    */
313 #define	CTLR_OVERLAP	0x00000004  /* Overlapped Commands Support  */
314 #define	CTLR_SECONDARY	0x00000008  /* I/O Address Not 0x1f0	    */
315 #define	CTLR_BLINKLED	0x00000010  /* Adapter In Blink LED State   */
316 #define	CTLR_HBACI	0x00000020  /* Cache Inhibit Supported	    */
317 #define	CTLR_CACHE	0x00000040  /* Adapter Has Cache	    */
318 #define	CTLR_SANE	0x00000080  /* Adapter Functioning OK	    */
319 #define	CTLR_BUS_QUIET	0x00000100  /* Bus Quite On This Adapter    */
320 #define	CTLR_ABOVE_16	0x00000200  /* Support For Mem. Above 16 MB */
321 #define	CTLR_SCAT_GATH	0x00000400  /* Scatter Gather Supported	    */
322 
323 
324 /* Definitions - Structure & Typedef ---------------------------------------*/
325 
326 typedef struct {
327 		 uLONG	   MsgID;
328 		 DPT_TAG_T engineTag;
329 		 DPT_TAG_T targetTag;
330 		 DPT_MSG_T engEvent;
331 		 long	   BufferID;
332 		 uLONG	   FromEngBuffOffset;
333 		 uLONG	   callerID;
334 		 DPT_RTN_T result;
335 		 uLONG	   timeOut;
336 	       } MsgHdr;
337 
338 #define	MsgDataSize sizeof(MsgHdr) - 4
339 
340 #ifndef SNI_MIPS
341 
342 /*-------------------------------------------------------------------------*/
343 /*		       EATA Command Packet definition			   */
344 /*-------------------------------------------------------------------------*/
345 
346 typedef struct EATACommandPacket {
347 
348 #ifdef _DPT_UNIXWARE
349 
350 	uCHAR	  EataID[4];
351 	uINT	  EataCmd;
352 	uCHAR	  *CmdBuffer;
353 
354 #endif	 /* _DPT_UNIXWARE */
355 
356 #ifdef _DPT_AIX
357 
358 	uCHAR	  HbaTargetID;
359 	uCHAR	  HbaLUN;
360 
361 #endif	/* _DPT_AIX */
362 
363 	uCHAR	 cp_Flags1;	     /* Command Flags			    */
364 	uCHAR	 cp_Req_Len;	     /* AutoRequestSense Data length.	    */
365 	uCHAR	 cp_Resv1[3];	     /* Reserved Fields			    */
366 	uCHAR	 cp_Flags2;
367 	uCHAR	 cp_Flags3;
368 	uCHAR	 cp_ScsiAddr;
369 	uCHAR	 cp_msg0;	     /* Identify and Disconnect Message.    */
370 	uCHAR	 cp_msg1;
371 	uCHAR	 cp_msg2;
372 	uCHAR	 cp_msg3;
373 	uCHAR	 cp_cdb[12];	     /* SCSI cdb for command.		    */
374 	uLONG	 cp_dataLen;	     /* Data length in Bytes for command.   */
375 	uLONG	 cp_Vue;	     /* Vendor Unique Area		    */
376 	uCHAR	 *cp_DataAddr;	     /* Data Address For The Command.	    */
377 	uCHAR	 *cp_SpAddr;	     /* Status Packet Physical Address.	    */
378 	uCHAR	 *cp_SenseAddr;	     /* AutoRequestSense Data Phy Address.  */
379 
380 #ifdef _DPT_SOLARIS
381 
382 	uCHAR	  HostStatus;
383 	uCHAR	  TargetStatus;
384 	uCHAR	  CdbLength;
385 	uCHAR	  SG_Size;
386 	struct scsi_arq_status ReqSenseData;
387 	struct	dpt_sg SG_List[DPT_MAX_DMA_SEGS];
388 	union {
389 		char *b_scratch;
390 		struct scsi_cmd *b_ownerp;
391 	      } cc;
392 	paddr_t ccb_paddr;
393 	uSHORT IOAddress;
394 
395 #else  /* _DPT_SOLARIS */
396 
397 	uLONG	  TimeOut ;
398 	uCHAR	  HostStatus;
399 	uCHAR	  TargetStatus;
400 	uCHAR	  Retries;
401 
402 #endif	/* _DPT_SOLARIS else */
403 
404 				  } EATA_CP;
405 #endif /* SNI_MIPS */
406 
407 
408 		      /* Control Flags 1 Definitions */
409 
410 #define	SCSI_RESET	  0x01	     /* Cause a SCSI Bus reset on the cmd */
411 #define	HBA_INIT	  0x02	     /* Cause Controller to reInitialize  */
412 #define	AUTO_REQ_SENSE	  0x04	     /* Do Auto Request Sense on errors	  */
413 #define	SCATTER_GATHER	  0x08	     /* Data Ptr points to a SG Packet	  */
414 #define	INTERPRET	  0x20	     /* Interpret the SCSI cdb of own use */
415 #define	DATA_OUT	  0x04	     /* Data Out phase with command	  */
416 #define	DATA_IN		  0x08	     /* Data In phase with command	  */
417 
418 		      /* Control Flags 2 Definitions */
419 
420 #define	FIRMWARE_NESTED	  0x01
421 
422 
423 		      /* Control Flags 3 Definitions */
424 
425 #define	PHYSICAL_UNIT	  0x01	     /* Send Command Directly To Target	  */
426 #define	IAT		  0x02	     /* Inhibit Address Translation	  */
427 #define	HBACI		  0x04	     /* Inhibit Caching			  */
428 
429 
430   /* Structure Returned From Get Controller Info			     */
431 
432 typedef struct {
433 
434 	uCHAR	 state;		   /* Operational state		      */
435 	uCHAR	 id;		   /* Host adapter SCSI id	      */
436 	int	 vect;		   /* Interrupt vector number	      */
437 	int	 base;		   /* Base I/O address		      */
438 	int	 njobs;		   /* # of jobs sent to HA	      */
439 	int	 qdepth;	   /* Controller queue depth.	      */
440 	int	 wakebase;	   /* mpx wakeup base index.	      */
441 	uLONG	 SGsize;	   /* Scatter/Gather list size.	      */
442 	unsigned heads;		   /* heads for drives on cntlr.      */
443 	unsigned sectors;	   /* sectors for drives on cntlr.    */
444 	uCHAR	 do_drive32;	   /* Flag for Above 16 MB Ability    */
445 	uCHAR	 BusQuiet;	   /* SCSI Bus Quiet Flag	      */
446 	char	 idPAL[4];	   /* 4 Bytes Of The ID Pal	      */
447 	uCHAR	 primary;	   /* 1 For Primary, 0 For Secondary  */
448 	uCHAR	 eataVersion;	   /* EATA Version		      */
449 	uLONG	 cpLength;	   /* EATA Command Packet Length      */
450 	uLONG	 spLength;	   /* EATA Status Packet Length	      */
451 	uCHAR	 drqNum;	   /* DRQ Index (0,5,6,7)	      */
452 	uCHAR	 flag1;		   /* EATA Flags 1 (Byte 9)	      */
453 	uCHAR	 flag2;		   /* EATA Flags 2 (Byte 30)	      */
454 
455 	       } CtrlInfo;
456 
457 #ifndef SNI_MIPS
458 #ifdef _DPT_UNIXWARE
459 
460 typedef struct {
461 
462 	uINT	 state;		   /* Operational state		   */
463 	uCHAR	 id[4];		   /* Host adapter SCSI id	   */
464 	uINT	 vect;		   /* Interrupt vector number	   */
465 	uLONG	 base;		   /* Base I/O address		   */
466 	int	 ha_max_jobs;	   /* Max number of Active Jobs	   */
467 	uLONG	 ha_cacheParams;
468 	int	 ha_nbus;	   /* Number Of Busses on HBA	   */
469 	int	 ha_ntargets;	   /* Number Of Targets Supported  */
470 	int	 ha_nluns;	   /* Number Of LUNs Supported	   */
471 	int	 ha_tshift;	   /* Shift value for target	   */
472 	int	 ha_bshift;	   /* Shift value for bus	   */
473 	uINT	 ha_npend;	   /* # of jobs sent to HA	   */
474 	int	 ha_active_jobs;   /* Number Of Active Jobs	   */
475 
476 	       } HbaInfo;
477 
478 	/* SDI ioctl prefix for hba specific ioctl's */
479 
480 #define	SDI_IOC	       (('S'<<24)|('D'<<16)|('I'<<8))
481 
482 #define	SDI_HBANAME    ((SDI_IOC)|0x14) /* Get HBA module name	    */
483 #define	SDI_SEND       0x0081		/* Send a SCSI command	    */
484 
485 #else
486 
487 typedef struct {
488 
489 	uLONG  flags;		 /* Operational State Flags	    */
490 	uCHAR  id[4];		 /* Host Adapter SCSI ID	    */
491 	int    vect;		 /* Interrupt Vector Number	    */
492 	int    base;		 /* Base I/O Address		    */
493 	int    njobs;		 /* # Of CCBs Outstanding To HBA    */
494 	int    qdepth;		 /* Controller Queue depth.	    */
495 	uLONG  SGsize;		 /* Scatter/Gather List Size.	    */
496 	char   idPAL[4];	 /* 4 Bytes Of The ID Pal	    */
497 	uCHAR  eataVersion;	 /* EATA Version		    */
498 	uLONG  cpLength;	 /* EATA Command Packet Length	    */
499 	uLONG  spLength;	 /* EATA Status Packet Length	    */
500 	uCHAR  drqNum;		 /* DRQ Index (0,5,6,7)		    */
501 	uCHAR  eataflag1;	 /* EATA Flags 1 (Byte 9)	    */
502 	uCHAR  eataflag2;	 /* EATA Flags 2 (Byte 30)	    */
503 	uCHAR  maxChannel;	 /* Maximum Channel Number	    */
504 	uCHAR  maxID;		 /* Maximum Target ID		    */
505 	uCHAR  maxLUN;		 /* Maximum LUN			    */
506 	uCHAR  HbaBusType;	 /* HBA Bus Type, EISA, PCI, etc    */
507 	uCHAR  RaidNum;		 /* Host Adapter RAID Number	    */
508 
509 	       } HbaInfo;
510 
511 #endif	/* _DPT_UNIXWARE */
512 #endif /* SNI_MIPS */
513 
514 
515 #ifdef _DPT_AIX
516 
517 /*
518  * DPT Host Adapter config information structure - this structure contains
519  * configuration information about an adapter.	It is imbedded into the
520  * dpt_ctl structure.
521  */
522 
523 typedef struct dpt_cfg {
524     uchar	flags;			/* Operational state flags	*/
525     uchar	id[4];			/* Host adapter SCSI IDs	*/
526     int		vect;			/* Interrupt vector number	*/
527     ulong	base_addr;		/* Base I/O address		*/
528     int		qdepth;			/* Controller queue depth.	*/
529     ulong	SGsize;			/* Max scatter/gather list sz	*/
530     ulong	SGmax;			/* Max s/g we can use per req	*/
531     uchar	eataVersion;		/* EATA version			*/
532     ushort	cpPadLen;		/* # of pad bytes sent to HA for
533 					   PIO commands			*/
534     ulong	cpLength;		/* EATA Command Packet length	*/
535     ulong	spLength;		/* EATA Status Packet length	*/
536     uchar	eataflag1;		/* EATA Flags 1 (Byte 9)	*/
537     uchar	eataflag2;		/* EATA Flags 2 (Byte 30)	*/
538     uchar	maxChan;		/* Maximum Channel number	*/
539     uchar	maxID;			/* Maximum target ID		*/
540     uchar	maxLUN;			/* Maximum LUN			*/
541     uchar	HbaBusType;		/* HBA bus type, EISA, PCI, etc */
542     uchar	RaidNum;		/* Host adapter RAID number	*/
543 } DptCfg_t;
544 
545 #endif /* _DPT_AIX */
546 
547 
548 #define	MAX_ELEMENT_COUNT	 64
549 #define	MAX_BUCKET_COUNT	 10
550 
551 /*
552  * DPT statistics structure definitions
553  */
554 typedef struct IO_SIZE_STATS
555 {
556   uLONG TotalIoCount;
557   uLONG IoCountRead;
558   uLONG IoCountReadSg;
559   uLONG IoCountWrite;
560   uLONG IoCountWriteSg;
561   uLONG UnalignedIoAddress;
562   uLONG SgElementCount[MAX_ELEMENT_COUNT];
563 
564 } IO_SIZE_STATS_T, *pIO_SIZE_STATS_T;
565 
566 typedef struct STATS_DATA
567 {
568   uLONG TotalIoCount;
569   uLONG TotalUnCachedIoCount;
570   uLONG MaxOutstandingIoCount;
571   uLONG CurrentOutstandingIoCount;
572   uLONG OutstandingIoRunningCount;
573   uLONG UnalignedPktCount;
574   uLONG UnalignedSgCount;
575   uLONG NonPageListAddressSgCount;
576   uLONG MaxMessagesPerInterrupt;
577   IO_SIZE_STATS_T IoSize[MAX_BUCKET_COUNT];
578 
579 } STATS_DATA_T, *pSTATS_DATA_T;
580 
581 typedef struct TARGET_BUSY
582 {
583   uLONG channel;
584   uLONG id;
585   uLONG lun;
586   uLONG isBusy;
587 } TARGET_BUSY_T;
588 #endif /* __OSD_UNIX_H */
589