1*e2710f6fSandvar /* $NetBSD: iopio.h,v 1.9 2022/04/17 21:24:53 andvar Exp $ */ 2ef80e73aSad 3ef80e73aSad /*- 4ef80e73aSad * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. 5ef80e73aSad * All rights reserved. 6ef80e73aSad * 7ef80e73aSad * This code is derived from software contributed to The NetBSD Foundation 8ef80e73aSad * by Andrew Doran. 9ef80e73aSad * 10ef80e73aSad * Redistribution and use in source and binary forms, with or without 11ef80e73aSad * modification, are permitted provided that the following conditions 12ef80e73aSad * are met: 13ef80e73aSad * 1. Redistributions of source code must retain the above copyright 14ef80e73aSad * notice, this list of conditions and the following disclaimer. 15ef80e73aSad * 2. Redistributions in binary form must reproduce the above copyright 16ef80e73aSad * notice, this list of conditions and the following disclaimer in the 17ef80e73aSad * documentation and/or other materials provided with the distribution. 18ef80e73aSad * 19ef80e73aSad * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20ef80e73aSad * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21ef80e73aSad * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22ef80e73aSad * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23ef80e73aSad * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24ef80e73aSad * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25ef80e73aSad * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26ef80e73aSad * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27ef80e73aSad * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28ef80e73aSad * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29ef80e73aSad * POSSIBILITY OF SUCH DAMAGE. 30ef80e73aSad */ 31ef80e73aSad 32ef80e73aSad #ifndef _I2O_IOPIO_H_ 33ef80e73aSad #define _I2O_IOPIO_H_ 34ef80e73aSad 3579203164Sriastradh #include <sys/types.h> 361fbab01aSdholland #include <sys/ioccom.h> 371fbab01aSdholland 38ef80e73aSad #define IOP_MAX_MSG_XFERS 3 /* Maximum transfer count per msg */ 39ef80e73aSad #define IOP_MAX_OUTBOUND 256 /* Maximum outbound queue depth */ 40ef80e73aSad #define IOP_MAX_INBOUND 256 /* Maximum inbound queue depth */ 41ef80e73aSad #define IOP_MF_RESERVE 4 /* Frames to reserve for ctl ops */ 42ef80e73aSad #define IOP_MAX_XFER 64*1024 /* Maximum transfer size */ 4340470684Sad #define IOP_MAX_MSG_SIZE 160 /* Maximum message frame size */ 44*e2710f6fSandvar #define IOP_MIN_MSG_SIZE 128 /* Minimum size supported by IOP */ 45ef80e73aSad 46ef80e73aSad struct iop_tidmap { 47ef80e73aSad u_short it_tid; 48ef80e73aSad u_short it_flags; 496127f4edSdyoung char it_dvname[16]; 50ef80e73aSad }; 51ef80e73aSad #define IT_CONFIGURED 0x02 /* target configured */ 52ef80e73aSad 53ef80e73aSad struct ioppt_buf { 54ef80e73aSad void *ptb_data; /* pointer to buffer */ 55ef80e73aSad size_t ptb_datalen; /* buffer size in bytes */ 56ef80e73aSad int ptb_out; /* non-zero if transfer is to IOP */ 57ef80e73aSad }; 58ef80e73aSad 59ef80e73aSad struct ioppt { 60ef80e73aSad void *pt_msg; /* pointer to message buffer */ 61ef80e73aSad size_t pt_msglen; /* message buffer size in bytes */ 62ef80e73aSad void *pt_reply; /* pointer to reply buffer */ 63ef80e73aSad size_t pt_replylen; /* reply buffer size in bytes */ 64ef80e73aSad int pt_timo; /* completion timeout in ms */ 65ef80e73aSad int pt_nbufs; /* number of transfers */ 66ef80e73aSad struct ioppt_buf pt_bufs[IOP_MAX_MSG_XFERS]; /* transfers */ 67ef80e73aSad }; 68ef80e73aSad 69ef80e73aSad #define IOPIOCPT _IOWR('u', 0, struct ioppt) 70ef80e73aSad #define IOPIOCGLCT _IOWR('u', 1, struct iovec) 71ef80e73aSad #define IOPIOCGSTATUS _IOWR('u', 2, struct iovec) 72ef80e73aSad #define IOPIOCRECONFIG _IO('u', 3) 73ef80e73aSad #define IOPIOCGTIDMAP _IOWR('u', 4, struct iovec) 74ef80e73aSad 75ef80e73aSad #endif /* !_I2O_IOPIO_H_ */ 76