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_ */ 80