xref: /minix3/sys/dev/pci/tweio.h (revision 7eb99bda90fc3b15ed07bfd8809650d0818ad5f7)
1*7eb99bdaSLionel Sambuc /*	$NetBSD: tweio.h,v 1.5 2005/12/11 12:22:51 christos Exp $	*/
2*7eb99bdaSLionel Sambuc 
3*7eb99bdaSLionel Sambuc /*-
4*7eb99bdaSLionel Sambuc  * Copyright (c) 2000 Michael Smith
5*7eb99bdaSLionel Sambuc  * Copyright (c) 2000 BSDi
6*7eb99bdaSLionel Sambuc  * All rights reserved.
7*7eb99bdaSLionel Sambuc  *
8*7eb99bdaSLionel Sambuc  * Redistribution and use in source and binary forms, with or without
9*7eb99bdaSLionel Sambuc  * modification, are permitted provided that the following conditions
10*7eb99bdaSLionel Sambuc  * are met:
11*7eb99bdaSLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
12*7eb99bdaSLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
13*7eb99bdaSLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
14*7eb99bdaSLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
15*7eb99bdaSLionel Sambuc  *    documentation and/or other materials provided with the distribution.
16*7eb99bdaSLionel Sambuc  *
17*7eb99bdaSLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18*7eb99bdaSLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19*7eb99bdaSLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20*7eb99bdaSLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21*7eb99bdaSLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*7eb99bdaSLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23*7eb99bdaSLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24*7eb99bdaSLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25*7eb99bdaSLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26*7eb99bdaSLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27*7eb99bdaSLionel Sambuc  * SUCH DAMAGE.
28*7eb99bdaSLionel Sambuc  *
29*7eb99bdaSLionel Sambuc  * from FreeBSD: tweio.h,v 1.1 2000/10/25 06:59:05 msmith Exp
30*7eb99bdaSLionel Sambuc  */
31*7eb99bdaSLionel Sambuc 
32*7eb99bdaSLionel Sambuc #ifndef _DEV_PCI_TWEIO_H_
33*7eb99bdaSLionel Sambuc #define	_DEV_PCI_TWEIO_H_
34*7eb99bdaSLionel Sambuc 
35*7eb99bdaSLionel Sambuc #include <sys/ioccom.h>
36*7eb99bdaSLionel Sambuc #include <dev/pci/twereg.h>
37*7eb99bdaSLionel Sambuc 
38*7eb99bdaSLionel Sambuc /*
39*7eb99bdaSLionel Sambuc  * User-space command
40*7eb99bdaSLionel Sambuc  *
41*7eb99bdaSLionel Sambuc  * Note that the command's scatter/gather list will be computed by the
42*7eb99bdaSLionel Sambuc  * driver, and cannot be filled in by the consumer.
43*7eb99bdaSLionel Sambuc  */
44*7eb99bdaSLionel Sambuc struct twe_usercommand {
45*7eb99bdaSLionel Sambuc 	struct twe_cmd	tu_cmd;		/* command ready for the controller */
46*7eb99bdaSLionel Sambuc 	void		*tu_data;	/* pointer to data in userspace */
47*7eb99bdaSLionel Sambuc 	size_t		tu_size;	/* userspace data length */
48*7eb99bdaSLionel Sambuc };
49*7eb99bdaSLionel Sambuc 
50*7eb99bdaSLionel Sambuc #define TWEIO_COMMAND	_IOWR('T', 100, struct twe_usercommand)
51*7eb99bdaSLionel Sambuc 
52*7eb99bdaSLionel Sambuc /*
53*7eb99bdaSLionel Sambuc  * Command queue statistics
54*7eb99bdaSLionel Sambuc  */
55*7eb99bdaSLionel Sambuc #define	TWEQ_FREE	0
56*7eb99bdaSLionel Sambuc #define	TWEQ_BIO	1
57*7eb99bdaSLionel Sambuc #define	TWEQ_READY	2
58*7eb99bdaSLionel Sambuc #define	TWEQ_BUSY	3
59*7eb99bdaSLionel Sambuc #define	TWEQ_COMPLETE	4
60*7eb99bdaSLionel Sambuc #define	TWEQ_COUNT	5	/* total number of queues */
61*7eb99bdaSLionel Sambuc 
62*7eb99bdaSLionel Sambuc struct twe_qstat {
63*7eb99bdaSLionel Sambuc 	u_int32_t	q_length;
64*7eb99bdaSLionel Sambuc 	u_int32_t	q_max;
65*7eb99bdaSLionel Sambuc };
66*7eb99bdaSLionel Sambuc 
67*7eb99bdaSLionel Sambuc /*
68*7eb99bdaSLionel Sambuc  * Statistics request
69*7eb99bdaSLionel Sambuc  */
70*7eb99bdaSLionel Sambuc union twe_statrequest {
71*7eb99bdaSLionel Sambuc 	u_int32_t		ts_item;
72*7eb99bdaSLionel Sambuc 	struct twe_qstat	ts_qstat;
73*7eb99bdaSLionel Sambuc };
74*7eb99bdaSLionel Sambuc 
75*7eb99bdaSLionel Sambuc #define	TWEIO_STATS	_IOWR('T', 101, union twe_statrequest)
76*7eb99bdaSLionel Sambuc 
77*7eb99bdaSLionel Sambuc /*
78*7eb99bdaSLionel Sambuc  * AEN listen
79*7eb99bdaSLionel Sambuc  */
80*7eb99bdaSLionel Sambuc #define	TWEIO_AEN_POLL	_IOR('T', 102, int)
81*7eb99bdaSLionel Sambuc #define	TWEIO_AEN_WAIT	_IOR('T', 103, int)
82*7eb99bdaSLionel Sambuc 
83*7eb99bdaSLionel Sambuc /*
84*7eb99bdaSLionel Sambuc  * Controller parameter access
85*7eb99bdaSLionel Sambuc  */
86*7eb99bdaSLionel Sambuc struct twe_paramcommand {
87*7eb99bdaSLionel Sambuc 	u_int16_t	tp_table_id;
88*7eb99bdaSLionel Sambuc 	u_int8_t	tp_param_id;
89*7eb99bdaSLionel Sambuc 	void		*tp_data;
90*7eb99bdaSLionel Sambuc 	u_int8_t	tp_size;
91*7eb99bdaSLionel Sambuc };
92*7eb99bdaSLionel Sambuc 
93*7eb99bdaSLionel Sambuc #define	TWEIO_SET_PARAM	_IOW('T', 104, struct twe_paramcommand)
94*7eb99bdaSLionel Sambuc #define	TWEIO_GET_PARAM	_IOW('T', 105, struct twe_paramcommand)
95*7eb99bdaSLionel Sambuc 
96*7eb99bdaSLionel Sambuc /*
97*7eb99bdaSLionel Sambuc  * Request a controller soft-reset
98*7eb99bdaSLionel Sambuc  */
99*7eb99bdaSLionel Sambuc #define	TWEIO_RESET	_IO('T', 106)
100*7eb99bdaSLionel Sambuc 
101*7eb99bdaSLionel Sambuc /*
102*7eb99bdaSLionel Sambuc  * Request a drive addition or deletion
103*7eb99bdaSLionel Sambuc  */
104*7eb99bdaSLionel Sambuc struct twe_drivecommand {
105*7eb99bdaSLionel Sambuc 	int		td_unit;
106*7eb99bdaSLionel Sambuc };
107*7eb99bdaSLionel Sambuc #define	TWEIO_ADD_UNIT	_IOW('U', 107, struct twe_drivecommand)
108*7eb99bdaSLionel Sambuc #define	TWEIO_DEL_UNIT	_IOW('U', 108, struct twe_drivecommand)
109*7eb99bdaSLionel Sambuc 
110*7eb99bdaSLionel Sambuc #endif /* _DEV_PCI_TWEIO_H_ */
111