76 lines
2.9 KiB
C
76 lines
2.9 KiB
C
/* $NetBSD: iopio.h,v 1.8 2017/10/28 06:27:32 riastradh Exp $ */
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/*-
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* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _I2O_IOPIO_H_
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#define _I2O_IOPIO_H_
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#include <sys/types.h>
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#include <sys/ioccom.h>
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#define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */
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#define IOP_MAX_OUTBOUND 256 /* Maximum outbound queue depth */
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#define IOP_MAX_INBOUND 256 /* Maximum inbound queue depth */
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#define IOP_MF_RESERVE 4 /* Frames to reserve for ctl ops */
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#define IOP_MAX_XFER 64*1024 /* Maximum transfer size */
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#define IOP_MAX_MSG_SIZE 160 /* Maximum message frame size */
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#define IOP_MIN_MSG_SIZE 128 /* Minumum size supported by IOP */
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struct iop_tidmap {
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u_short it_tid;
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u_short it_flags;
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char it_dvname[16];
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};
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#define IT_CONFIGURED 0x02 /* target configured */
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struct ioppt_buf {
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void *ptb_data; /* pointer to buffer */
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size_t ptb_datalen; /* buffer size in bytes */
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int ptb_out; /* non-zero if transfer is to IOP */
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};
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struct ioppt {
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void *pt_msg; /* pointer to message buffer */
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size_t pt_msglen; /* message buffer size in bytes */
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void *pt_reply; /* pointer to reply buffer */
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size_t pt_replylen; /* reply buffer size in bytes */
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int pt_timo; /* completion timeout in ms */
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int pt_nbufs; /* number of transfers */
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struct ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */
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};
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#define IOPIOCPT _IOWR('u', 0, struct ioppt)
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#define IOPIOCGLCT _IOWR('u', 1, struct iovec)
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#define IOPIOCGSTATUS _IOWR('u', 2, struct iovec)
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#define IOPIOCRECONFIG _IO('u', 3)
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#define IOPIOCGTIDMAP _IOWR('u', 4, struct iovec)
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#endif /* !_I2O_IOPIO_H_ */
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