1 /* $OpenBSD: iopio.h,v 1.1 2001/06/25 23:04:30 niklas Exp $ */
2 /* $NetBSD$ */
3
4 /*-
5 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Andrew Doran.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #ifndef _I2O_IOPIO_H_
41 #define _I2O_IOPIO_H_
42
43 #define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */
44 #define IOP_MAX_OUTBOUND 256 /* Maximum outbound queue depth */
45 #define IOP_MAX_INBOUND 256 /* Maximum inbound queue depth */
46 #define IOP_MF_RESERVE 4 /* Frames to reserve for ctl ops */
47 #define IOP_MAX_XFER 64*1024 /* Maximum transfer size */
48 #define IOP_MAX_MSG_SIZE 128 /* Maximum message frame size */
49
50 struct iop_tidmap {
51 u_short it_tid;
52 u_short it_flags;
53 char it_dvname[sizeof(((struct device *)NULL)->dv_xname)];
54 };
55 #define IT_CONFIGURED 0x02 /* target configured */
56
57 struct ioppt_buf {
58 void *ptb_data; /* pointer to buffer */
59 size_t ptb_datalen; /* buffer size in bytes */
60 int ptb_out; /* non-zero if transfer is to IOP */
61 };
62
63 struct ioppt {
64 void *pt_msg; /* pointer to message buffer */
65 size_t pt_msglen; /* message buffer size in bytes */
66 void *pt_reply; /* pointer to reply buffer */
67 size_t pt_replylen; /* reply buffer size in bytes */
68 int pt_timo; /* completion timeout in ms */
69 int pt_nbufs; /* number of transfers */
70 struct ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */
71 };
72
73 #define IOPIOCPT _IOWR('u', 0, struct ioppt)
74 #define IOPIOCGLCT _IOWR('u', 1, struct iovec)
75 #define IOPIOCGSTATUS _IOWR('u', 2, struct iovec)
76 #define IOPIOCRECONFIG _IO('u', 3)
77 #define IOPIOCGTIDMAP _IOWR('u', 4, struct iovec)
78
79 #endif /* !_I2O_IOPIO_H_ */