1 /* $NetBSD: iopio.h,v 1.7 2015/09/06 06:01:00 dholland 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/ioccom.h> 36 37 #define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */ 38 #define IOP_MAX_OUTBOUND 256 /* Maximum outbound queue depth */ 39 #define IOP_MAX_INBOUND 256 /* Maximum inbound queue depth */ 40 #define IOP_MF_RESERVE 4 /* Frames to reserve for ctl ops */ 41 #define IOP_MAX_XFER 64*1024 /* Maximum transfer size */ 42 #define IOP_MAX_MSG_SIZE 160 /* Maximum message frame size */ 43 #define IOP_MIN_MSG_SIZE 128 /* Minumum size supported by IOP */ 44 45 struct iop_tidmap { 46 u_short it_tid; 47 u_short it_flags; 48 char it_dvname[16]; 49 }; 50 #define IT_CONFIGURED 0x02 /* target configured */ 51 52 struct ioppt_buf { 53 void *ptb_data; /* pointer to buffer */ 54 size_t ptb_datalen; /* buffer size in bytes */ 55 int ptb_out; /* non-zero if transfer is to IOP */ 56 }; 57 58 struct ioppt { 59 void *pt_msg; /* pointer to message buffer */ 60 size_t pt_msglen; /* message buffer size in bytes */ 61 void *pt_reply; /* pointer to reply buffer */ 62 size_t pt_replylen; /* reply buffer size in bytes */ 63 int pt_timo; /* completion timeout in ms */ 64 int pt_nbufs; /* number of transfers */ 65 struct ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */ 66 }; 67 68 #define IOPIOCPT _IOWR('u', 0, struct ioppt) 69 #define IOPIOCGLCT _IOWR('u', 1, struct iovec) 70 #define IOPIOCGSTATUS _IOWR('u', 2, struct iovec) 71 #define IOPIOCRECONFIG _IO('u', 3) 72 #define IOPIOCGTIDMAP _IOWR('u', 4, struct iovec) 73 74 #endif /* !_I2O_IOPIO_H_ */ 75