| 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 | |