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