tweio.h revision 67555
1/*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/dev/twe/tweio.h 67555 2000-10-25 06:59:06Z msmith $ 28 */ 29 30 31/* 32 * User-space command 33 * 34 * Note that the command's scatter/gather list will be computed by the 35 * driver, and cannot be filled in by the consumer. 36 */ 37struct twe_usercommand { 38 TWE_Command tu_command; /* command ready for the controller */ 39 void *tu_data; /* pointer to data in userspace */ 40 size_t tu_size; /* userspace data length */ 41}; 42 43#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand) 44 45/* 46 * Command queue statistics 47 */ 48#define TWEQ_FREE 0 49#define TWEQ_BIO 1 50#define TWEQ_READY 2 51#define TWEQ_BUSY 3 52#define TWEQ_COMPLETE 4 53#define TWEQ_COUNT 5 /* total number of queues */ 54 55struct twe_qstat { 56 u_int32_t q_length; 57 u_int32_t q_max; 58}; 59 60/* 61 * Statistics request 62 */ 63union twe_statrequest { 64 u_int32_t ts_item; 65 struct twe_qstat ts_qstat; 66}; 67 68#define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) 69 70/* 71 * AEN listen 72 */ 73#define TWEIO_AEN_POLL _IOR('T', 102, int) 74#define TWEIO_AEN_WAIT _IOR('T', 103, int) 75 76/* 77 * Controller parameter access 78 */ 79struct twe_paramcommand { 80 u_int16_t tp_table_id; 81 u_int8_t tp_param_id; 82 void *tp_data; 83 u_int8_t tp_size; 84}; 85 86#define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand) 87#define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand) 88 89/* 90 * Request a controller soft-reset 91 */ 92#define TWEIO_RESET _IO ('T', 106) 93