xref: /illumos-gate/usr/src/uts/common/sys/dktp/cmpkt.h (revision 88f8b78a88cbdc6d8c1af5c3e54bc49d25095c98)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright (c) 1992,1997-1998 by Sun Microsystems, Inc.
24  * All rights reserved.
25  */
26 
27 #ifndef _SYS_DKTP_CMPKT_H
28 #define	_SYS_DKTP_CMPKT_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 struct	cmpkt {
37 	opaque_t	cp_objp;	/* ptr to generic ctlr object	*/
38 	opaque_t	cp_ctl_private;	/* ptr to controller private	*/
39 	opaque_t	cp_dev_private; /* ptr to device driver private */
40 
41 	int		cp_scblen;	/* len of status control blk	*/
42 	opaque_t	cp_scbp;	/* status control blk		*/
43 	int		cp_cdblen;	/* len of cmd description blk	*/
44 	opaque_t	cp_cdbp;	/* command description blk	*/
45 	long		cp_reason;	/* error status			*/
46 	void		(*cp_callback)(); /* callback function		*/
47 	long		cp_time;	/* timeout values		*/
48 	long		cp_flags;
49 
50 	struct buf	*cp_bp;		/* link to buf structure	*/
51 	long		cp_resid;	/* data bytes not transferred	*/
52 	long		cp_byteleft;	/* remaining bytes to do	*/
53 
54 					/* for a particular disk section */
55 	long		cp_bytexfer;	/* bytes xfer in this operation */
56 
57 	daddr_t		cp_srtsec;	/* starting sector number	*/
58 	long		cp_secleft;	/* # of sectors remains		*/
59 
60 	ushort_t	cp_retry;	/* retry count			*/
61 	ushort_t	cp_resv;
62 
63 	void		(*cp_iodone)(); /* target driver iodone()	*/
64 	struct cmpkt 	*cp_fltpktp;	/* fault recovery pkt pointer	*/
65 	opaque_t	cp_private;
66 	opaque_t	cp_passthru;	/* pass through command ptr	*/
67 };
68 
69 /*	reason code for completion status				*/
70 #define	CPS_SUCCESS	0		/* command completes with no err */
71 #define	CPS_FAILURE	1		/* command fails		*/
72 #define	CPS_CHKERR	2		/* command fails with status	*/
73 #define	CPS_ABORTED	3		/* command aborted		*/
74 
75 /*	flags definitions						*/
76 #define	CPF_NOINTR	0x0001		/* polling mode			*/
77 
78 #ifdef	__cplusplus
79 }
80 #endif
81 
82 #endif	/* _SYS_DKTP_CMPKT_H */
83