xref: /illumos-gate/usr/src/uts/common/sys/dktp/cmpkt.h (revision 2d6eb4a5e0a47d30189497241345dc5466bb68ab)
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 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 struct	cmpkt {
35 	opaque_t	cp_objp;	/* ptr to generic ctlr object	*/
36 	opaque_t	cp_ctl_private;	/* ptr to controller private	*/
37 	opaque_t	cp_dev_private; /* ptr to device driver private */
38 
39 	int		cp_scblen;	/* len of status control blk	*/
40 	opaque_t	cp_scbp;	/* status control blk		*/
41 	int		cp_cdblen;	/* len of cmd description blk	*/
42 	opaque_t	cp_cdbp;	/* command description blk	*/
43 	long		cp_reason;	/* error status			*/
44 	void		(*cp_callback)(); /* callback function		*/
45 	long		cp_time;	/* timeout values		*/
46 	long		cp_flags;
47 
48 	struct buf	*cp_bp;		/* link to buf structure	*/
49 	long		cp_resid;	/* data bytes not transferred	*/
50 	long		cp_byteleft;	/* remaining bytes to do	*/
51 
52 					/* for a particular disk section */
53 	long		cp_bytexfer;	/* bytes xfer in this operation */
54 
55 	daddr_t		cp_srtsec;	/* starting sector number	*/
56 	long		cp_secleft;	/* # of sectors remains		*/
57 
58 	ushort_t	cp_retry;	/* retry count			*/
59 	ushort_t	cp_resv;
60 
61 	void		(*cp_iodone)(); /* target driver iodone()	*/
62 	struct cmpkt 	*cp_fltpktp;	/* fault recovery pkt pointer	*/
63 	opaque_t	cp_private;
64 	opaque_t	cp_passthru;	/* pass through command ptr	*/
65 };
66 
67 /*	reason code for completion status				*/
68 #define	CPS_SUCCESS	0		/* command completes with no err */
69 #define	CPS_FAILURE	1		/* command fails		*/
70 #define	CPS_CHKERR	2		/* command fails with status	*/
71 #define	CPS_ABORTED	3		/* command aborted		*/
72 
73 /*	flags definitions						*/
74 #define	CPF_NOINTR	0x0001		/* polling mode			*/
75 
76 #ifdef	__cplusplus
77 }
78 #endif
79 
80 #endif	/* _SYS_DKTP_CMPKT_H */
81