1/* $NetBSD: iopio.h,v 1.8 2017/10/28 06:27:32 riastradh Exp $ */
2
3/*-
4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Andrew Doran.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _I2O_IOPIO_H_
33#define _I2O_IOPIO_H_
34
35#include <sys/types.h>
36#include <sys/ioccom.h>
37
38#define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */
39#define IOP_MAX_OUTBOUND 256 /* Maximum outbound queue depth */
40#define IOP_MAX_INBOUND 256 /* Maximum inbound queue depth */
41#define IOP_MF_RESERVE 4 /* Frames to reserve for ctl ops */
42#define IOP_MAX_XFER 64*1024 /* Maximum transfer size */
43#define IOP_MAX_MSG_SIZE 160 /* Maximum message frame size */
44#define IOP_MIN_MSG_SIZE 128 /* Minumum size supported by IOP */
45
46struct iop_tidmap {
47 u_short it_tid;
48 u_short it_flags;
49 char it_dvname[16];
50};
51#define IT_CONFIGURED 0x02 /* target configured */
52
53struct ioppt_buf {
54 void *ptb_data; /* pointer to buffer */
55 size_t ptb_datalen; /* buffer size in bytes */
56 int ptb_out; /* non-zero if transfer is to IOP */
57};
58
59struct ioppt {
60 void *pt_msg; /* pointer to message buffer */
61 size_t pt_msglen; /* message buffer size in bytes */
62 void *pt_reply; /* pointer to reply buffer */
63 size_t pt_replylen; /* reply buffer size in bytes */
64 int pt_timo; /* completion timeout in ms */
65 int pt_nbufs; /* number of transfers */
66 struct ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */
67};
68
69#define IOPIOCPT _IOWR('u', 0, struct ioppt)
70#define IOPIOCGLCT _IOWR('u', 1, struct iovec)
71#define IOPIOCGSTATUS _IOWR('u', 2, struct iovec)
72#define IOPIOCRECONFIG _IO('u', 3)
73#define IOPIOCGTIDMAP _IOWR('u', 4, struct iovec)
74
75#endif /* !_I2O_IOPIO_H_ */
76