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/* $OpenBSD: iopio.h,v 1.2 2008/06/26 05:42:15 ray Exp $ */
/* $NetBSD$ */
/*-
* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _I2O_IOPIO_H_
#define _I2O_IOPIO_H_
#define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */
#define IOP_MAX_OUTBOUND 256 /* Maximum outbound queue depth */
#define IOP_MAX_INBOUND 256 /* Maximum inbound queue depth */
#define IOP_MF_RESERVE 4 /* Frames to reserve for ctl ops */
#define IOP_MAX_XFER 64*1024 /* Maximum transfer size */
#define IOP_MAX_MSG_SIZE 128 /* Maximum message frame size */
struct iop_tidmap {
u_short it_tid;
u_short it_flags;
char it_dvname[sizeof(((struct device *)NULL)->dv_xname)];
};
#define IT_CONFIGURED 0x02 /* target configured */
struct ioppt_buf {
void *ptb_data; /* pointer to buffer */
size_t ptb_datalen; /* buffer size in bytes */
int ptb_out; /* non-zero if transfer is to IOP */
};
struct ioppt {
void *pt_msg; /* pointer to message buffer */
size_t pt_msglen; /* message buffer size in bytes */
void *pt_reply; /* pointer to reply buffer */
size_t pt_replylen; /* reply buffer size in bytes */
int pt_timo; /* completion timeout in ms */
int pt_nbufs; /* number of transfers */
struct ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */
};
#define IOPIOCPT _IOWR('u', 0, struct ioppt)
#define IOPIOCGLCT _IOWR('u', 1, struct iovec)
#define IOPIOCGSTATUS _IOWR('u', 2, struct iovec)
#define IOPIOCRECONFIG _IO('u', 3)
#define IOPIOCGTIDMAP _IOWR('u', 4, struct iovec)
#endif /* !_I2O_IOPIO_H_ */
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