xref: /onnv-gate/usr/src/uts/sun/sys/dada/conf/autoconf.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 1996-2002 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #ifndef _SYS_DCD_CONF_AUTOCONF_H
28*0Sstevel@tonic-gate #define	_SYS_DCD_CONF_AUTOCONF_H
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
31*0Sstevel@tonic-gate 
32*0Sstevel@tonic-gate #ifdef	__cplusplus
33*0Sstevel@tonic-gate extern "C" {
34*0Sstevel@tonic-gate #endif
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate  * Following are for debugging purposes (few Sun drivers support this)
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate #define	DCD_DEBUG_TGT	0x1	/* debug statements in target drivers */
40*0Sstevel@tonic-gate #define	DCD_DEBUG_LIB	0x2	/* debug statements in library */
41*0Sstevel@tonic-gate #define	DCD_DEBUG_HA	0x4	/* debug statements in host adapters */
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate /*
44*0Sstevel@tonic-gate  * DCD autoconfiguration definitions.
45*0Sstevel@tonic-gate  *
46*0Sstevel@tonic-gate  * The library routine dcd_probe() is provided as a service to target
47*0Sstevel@tonic-gate  * driver to check for bare-bones existence of a dcd device. It is
48*0Sstevel@tonic-gate  * defined as:
49*0Sstevel@tonic-gate  *
50*0Sstevel@tonic-gate  *	int dcd_probe(struct scsi_device *devp, int (*callback()))
51*0Sstevel@tonic-gate  *
52*0Sstevel@tonic-gate  * dcd_probe() only executes an inquiry.
53*0Sstevel@tonic-gate  *
54*0Sstevel@tonic-gate  * Both functions return one of the integer values as defined below:
55*0Sstevel@tonic-gate  */
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate #define	DCDPROBE_EXISTS		0	/* device exists, inquiry data valid */
58*0Sstevel@tonic-gate #define	DCDPROBE_NONCCS		1	/* device exists, no inquiry data */
59*0Sstevel@tonic-gate #define	DCDPROBE_NORESP		2	/* device didn't respond */
60*0Sstevel@tonic-gate #define	DCDPROBE_NOMEM		3	/* no space available for structures */
61*0Sstevel@tonic-gate #define	DCDPROBE_FAILURE	4	/* polled cmnd failure- unspecified */
62*0Sstevel@tonic-gate #define	DCDPROBE_BUSY		5	/* device was busy */
63*0Sstevel@tonic-gate #define	DCDPROBE_NOMEM_CB	6
64*0Sstevel@tonic-gate 					/*
65*0Sstevel@tonic-gate 					 * no space available for structures
66*0Sstevel@tonic-gate 					 * but callback request has been
67*0Sstevel@tonic-gate 					 * queued
68*0Sstevel@tonic-gate 					 */
69*0Sstevel@tonic-gate /*
70*0Sstevel@tonic-gate  * The following are the defines for the dcd_options. The dcd_options
71*0Sstevel@tonic-gate  * is a 32 bit quantity which is split in the following way to make it easier
72*0Sstevel@tonic-gate  * for the current HBA driver to program it easily.
73*0Sstevel@tonic-gate  * The following is the layout of the dcd_options bit.
74*0Sstevel@tonic-gate  *
75*0Sstevel@tonic-gate  * Bit 0, 1, 2, 3, 4 - Indicate the mode that is requested.
76*0Sstevel@tonic-gate  * Bit 5 represent the support for Ultra ATA.
77*0Sstevel@tonic-gate  * Bit 6 represent the support for Block Mode.
78*0Sstevel@tonic-gate  * Bit 7 will indicate PIO or DMA (set means DMA).
79*0Sstevel@tonic-gate  */
80*0Sstevel@tonic-gate 
81*0Sstevel@tonic-gate 
82*0Sstevel@tonic-gate /* The following are the defines for the PIO Modes. */
83*0Sstevel@tonic-gate #define	DCD_PIO_MODE0		0
84*0Sstevel@tonic-gate #define	DCD_PIO_MODE1		1
85*0Sstevel@tonic-gate #define	DCD_PIO_MODE2		2
86*0Sstevel@tonic-gate #define	DCD_PIO_MODE3		3
87*0Sstevel@tonic-gate #define	DCD_PIO_MODE4		4
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate /* The following are the defines for the DMA modes */
90*0Sstevel@tonic-gate #define	DCD_MULT_DMA_MODE0	0
91*0Sstevel@tonic-gate #define	DCD_MULT_DMA_MODE1	1
92*0Sstevel@tonic-gate #define	DCD_MULT_DMA_MODE2	2
93*0Sstevel@tonic-gate #define	DCD_MULT_DMA_MODE3	3
94*0Sstevel@tonic-gate #define	DCD_MULT_DMA_MODE4	4
95*0Sstevel@tonic-gate #define	DCD_MULT_DMA_MODE5	5
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate /* The following ate the generic defines for the dcd_options */
98*0Sstevel@tonic-gate #define	DCD_BLOCK_MODE		0x40
99*0Sstevel@tonic-gate #define	DCD_ULTRA_ATA		0x20
100*0Sstevel@tonic-gate #define	DCD_DMA_MODE		0x80
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate #define	DEFAULT_DCD_OPTIONS	0xA5
103*0Sstevel@tonic-gate #define	DCD_CHECK_ULTRA		0xA0
104*0Sstevel@tonic-gate #define	DCD_CHECK_DMA		0x80
105*0Sstevel@tonic-gate #define	DCD_CHECK_PIO		0x00
106*0Sstevel@tonic-gate #ifdef	__cplusplus
107*0Sstevel@tonic-gate }
108*0Sstevel@tonic-gate #endif
109*0Sstevel@tonic-gate 
110*0Sstevel@tonic-gate #endif	/* _SYS_DCD_CONF_AUTOCONF_H */
111