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 2004 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_DKTP_CONTROLLER_H
28#define	_SYS_DKTP_CONTROLLER_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36struct	ctl_ext {
37	opaque_t	c_type_cookie;	/* controller info 		*/
38	dev_info_t	*c_ctldip;	/* dip to controller driver	*/
39	dev_info_t	*c_devdip;	/* dip to target device driver	*/
40	int		c_targ;		/* device target number		*/
41	int		c_blksz;	/* device unit size (secsz)	*/
42};
43
44struct	ctl_obj {
45	opaque_t		c_data;
46	struct ctl_objops	*c_ops;
47	struct ctl_ext		*c_ext;
48	struct ctl_ext		c_extblk;	/* extended blk defined	*/
49						/* for easy of alloc	*/
50};
51
52struct	ctl_objops {
53	struct 	cmpkt *(*c_pktalloc)(opaque_t, int (*)(caddr_t), caddr_t);
54	void	(*c_pktfree)(opaque_t, struct cmpkt *);
55	struct 	cmpkt *(*c_memsetup)(opaque_t, struct cmpkt *, struct buf *,
56	    int (*)(caddr_t), caddr_t);
57	void	(*c_memfree)(opaque_t, struct cmpkt *);
58	struct 	cmpkt *(*c_iosetup)(opaque_t, struct cmpkt *);
59	int	(*c_transport)(opaque_t, struct cmpkt *);
60	int	(*c_reset)(opaque_t, int);
61	int	(*c_abort)(opaque_t, struct cmpkt *);
62	int	(*c_getcap)(opaque_t, char *, int);
63	int	(*c_setcap)(opaque_t, char *, int);
64	int	(*c_ioctl)(opaque_t, int, intptr_t, int);
65	void 	*c_resv[2];
66};
67
68#define	CTL_DIP_CTL(X) (((struct ctl_obj *)(X))->c_ext->c_ctldip)
69#define	CTL_DIP_DEV(X) (((struct ctl_obj *)(X))->c_ext->c_devdip)
70#define	CTL_GET_TYPE(X) (((struct ctl_obj *)(X))->c_ext->c_type_cookie)
71#define	CTL_GET_LKARG(X) (((struct ctl_obj *)(X))->c_ext->c_lkarg)
72#define	CTL_GET_TARG(X) (((struct ctl_obj *)(X))->c_ext->c_targ)
73#define	CTL_GET_BLKSZ(X) (((struct ctl_obj *)(X))->c_ext->c_blksz)
74
75#define	CTL_PKTALLOC(X, callback, arg) \
76	(*((struct ctl_obj *)(X))->c_ops->c_pktalloc) \
77	(((struct ctl_obj *)(X))->c_data, (callback), (arg))
78#define	CTL_PKTFREE(X, pktp) \
79	(*((struct ctl_obj *)(X))->c_ops->c_pktfree) \
80	(((struct ctl_obj *)(X))->c_data, (pktp))
81#define	CTL_MEMSETUP(X, pktp, bp, callback, arg) \
82	(*((struct ctl_obj *)(X))->c_ops->c_memsetup) \
83	(((struct ctl_obj *)(X))->c_data, (pktp), (bp), (callback), (arg))
84#define	CTL_MEMFREE(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_memfree) \
85	(((struct ctl_obj *)(X))->c_data, (pktp))
86#define	CTL_IOSETUP(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_iosetup) \
87	(((struct ctl_obj *)(X))->c_data, (pktp))
88#define	CTL_TRANSPORT(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_transport) \
89	(((struct ctl_obj *)(X))->c_data, (pktp))
90#define	CTL_ABORT(X, pktp) (*((struct ctl_obj *)(X))->c_ops->c_abort) \
91	(((struct ctl_obj *)(X))->c_data, (pktp))
92#define	CTL_RESET(X, level) (*((struct ctl_obj *)(X))->c_ops->c_reset) \
93	(((struct ctl_obj *)(X))->c_data, (level))
94#define	CTL_IOCTL(X, cmd, arg, flag) \
95	(*((struct ctl_obj *)(X))->c_ops->c_ioctl) \
96	(((struct ctl_obj *)(X))->c_data, (cmd), (arg), (flag))
97
98/*	transport return code						*/
99#define	CTL_SEND_SUCCESS	0
100#define	CTL_SEND_FAILURE	1
101#define	CTL_SEND_BUSY		2
102
103#ifdef	__cplusplus
104}
105#endif
106
107#endif	/* _SYS_DKTP_CONTROLLER_H */
108