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 1996-2002 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_DCD_CONF_AUTOCONF_H
28#define	_SYS_DCD_CONF_AUTOCONF_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36/*
37 * Following are for debugging purposes (few Sun drivers support this)
38 */
39#define	DCD_DEBUG_TGT	0x1	/* debug statements in target drivers */
40#define	DCD_DEBUG_LIB	0x2	/* debug statements in library */
41#define	DCD_DEBUG_HA	0x4	/* debug statements in host adapters */
42
43/*
44 * DCD autoconfiguration definitions.
45 *
46 * The library routine dcd_probe() is provided as a service to target
47 * driver to check for bare-bones existence of a dcd device. It is
48 * defined as:
49 *
50 *	int dcd_probe(struct scsi_device *devp, int (*callback()))
51 *
52 * dcd_probe() only executes an inquiry.
53 *
54 * Both functions return one of the integer values as defined below:
55 */
56
57#define	DCDPROBE_EXISTS		0	/* device exists, inquiry data valid */
58#define	DCDPROBE_NONCCS		1	/* device exists, no inquiry data */
59#define	DCDPROBE_NORESP		2	/* device didn't respond */
60#define	DCDPROBE_NOMEM		3	/* no space available for structures */
61#define	DCDPROBE_FAILURE	4	/* polled cmnd failure- unspecified */
62#define	DCDPROBE_BUSY		5	/* device was busy */
63#define	DCDPROBE_NOMEM_CB	6
64					/*
65					 * no space available for structures
66					 * but callback request has been
67					 * queued
68					 */
69/*
70 * The following are the defines for the dcd_options. The dcd_options
71 * is a 32 bit quantity which is split in the following way to make it easier
72 * for the current HBA driver to program it easily.
73 * The following is the layout of the dcd_options bit.
74 *
75 * Bit 0, 1, 2, 3, 4 - Indicate the mode that is requested.
76 * Bit 5 represent the support for Ultra ATA.
77 * Bit 6 represent the support for Block Mode.
78 * Bit 7 will indicate PIO or DMA (set means DMA).
79 */
80
81
82/* The following are the defines for the PIO Modes. */
83#define	DCD_PIO_MODE0		0
84#define	DCD_PIO_MODE1		1
85#define	DCD_PIO_MODE2		2
86#define	DCD_PIO_MODE3		3
87#define	DCD_PIO_MODE4		4
88
89/* The following are the defines for the DMA modes */
90#define	DCD_MULT_DMA_MODE0	0
91#define	DCD_MULT_DMA_MODE1	1
92#define	DCD_MULT_DMA_MODE2	2
93#define	DCD_MULT_DMA_MODE3	3
94#define	DCD_MULT_DMA_MODE4	4
95#define	DCD_MULT_DMA_MODE5	5
96
97/* The following ate the generic defines for the dcd_options */
98#define	DCD_BLOCK_MODE		0x40
99#define	DCD_ULTRA_ATA		0x20
100#define	DCD_DMA_MODE		0x80
101
102#define	DEFAULT_DCD_OPTIONS	0xA5
103#define	DCD_CHECK_ULTRA		0xA0
104#define	DCD_CHECK_DMA		0x80
105#define	DCD_CHECK_PIO		0x00
106#ifdef	__cplusplus
107}
108#endif
109
110#endif	/* _SYS_DCD_CONF_AUTOCONF_H */
111