xref: /minix/sys/dev/pci/tweio.h (revision e3b78ef1)
1 /*	$NetBSD: tweio.h,v 1.5 2005/12/11 12:22:51 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2000 Michael Smith
5  * Copyright (c) 2000 BSDi
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * from FreeBSD: tweio.h,v 1.1 2000/10/25 06:59:05 msmith Exp
30  */
31 
32 #ifndef _DEV_PCI_TWEIO_H_
33 #define	_DEV_PCI_TWEIO_H_
34 
35 #include <sys/ioccom.h>
36 #include <dev/pci/twereg.h>
37 
38 /*
39  * User-space command
40  *
41  * Note that the command's scatter/gather list will be computed by the
42  * driver, and cannot be filled in by the consumer.
43  */
44 struct twe_usercommand {
45 	struct twe_cmd	tu_cmd;		/* command ready for the controller */
46 	void		*tu_data;	/* pointer to data in userspace */
47 	size_t		tu_size;	/* userspace data length */
48 };
49 
50 #define TWEIO_COMMAND	_IOWR('T', 100, struct twe_usercommand)
51 
52 /*
53  * Command queue statistics
54  */
55 #define	TWEQ_FREE	0
56 #define	TWEQ_BIO	1
57 #define	TWEQ_READY	2
58 #define	TWEQ_BUSY	3
59 #define	TWEQ_COMPLETE	4
60 #define	TWEQ_COUNT	5	/* total number of queues */
61 
62 struct twe_qstat {
63 	u_int32_t	q_length;
64 	u_int32_t	q_max;
65 };
66 
67 /*
68  * Statistics request
69  */
70 union twe_statrequest {
71 	u_int32_t		ts_item;
72 	struct twe_qstat	ts_qstat;
73 };
74 
75 #define	TWEIO_STATS	_IOWR('T', 101, union twe_statrequest)
76 
77 /*
78  * AEN listen
79  */
80 #define	TWEIO_AEN_POLL	_IOR('T', 102, int)
81 #define	TWEIO_AEN_WAIT	_IOR('T', 103, int)
82 
83 /*
84  * Controller parameter access
85  */
86 struct twe_paramcommand {
87 	u_int16_t	tp_table_id;
88 	u_int8_t	tp_param_id;
89 	void		*tp_data;
90 	u_int8_t	tp_size;
91 };
92 
93 #define	TWEIO_SET_PARAM	_IOW('T', 104, struct twe_paramcommand)
94 #define	TWEIO_GET_PARAM	_IOW('T', 105, struct twe_paramcommand)
95 
96 /*
97  * Request a controller soft-reset
98  */
99 #define	TWEIO_RESET	_IO('T', 106)
100 
101 /*
102  * Request a drive addition or deletion
103  */
104 struct twe_drivecommand {
105 	int		td_unit;
106 };
107 #define	TWEIO_ADD_UNIT	_IOW('U', 107, struct twe_drivecommand)
108 #define	TWEIO_DEL_UNIT	_IOW('U', 108, struct twe_drivecommand)
109 
110 #endif /* _DEV_PCI_TWEIO_H_ */
111