1/*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2003 Paul Saab 4 * Copyright (c) 2003 Vinod Kashyap 5 * Copyright (c) 2000 BSDi 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 33/* 34 * User-space command 35 * 36 * Note that the command's scatter/gather list will be computed by the 37 * driver, and cannot be filled in by the consumer. 38 */ 39struct twe_usercommand { 40 TWE_Command tu_command; /* command ready for the controller */ 41 void *tu_data; /* pointer to data in userspace */ 42 size_t tu_size; /* userspace data length */ 43}; 44 45#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand) 46 47/* 48 * Command queue statistics 49 */ 50#define TWEQ_FREE 0 51#define TWEQ_BIO 1 52#define TWEQ_READY 2 53#define TWEQ_BUSY 3 54#define TWEQ_COMPLETE 4 55#define TWEQ_COUNT 5 /* total number of queues */ 56 57struct twe_qstat { 58 u_int32_t q_length; 59 u_int32_t q_max; 60 u_int32_t q_min; 61}; 62 63/* 64 * Statistics request 65 */ 66union twe_statrequest { 67 u_int32_t ts_item; 68 struct twe_qstat ts_qstat; 69}; 70 71#define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) 72 73/* 74 * AEN listen 75 */ 76#define TWEIO_AEN_POLL _IOR('T', 102, u_int16_t) 77#define TWEIO_AEN_WAIT _IOR('T', 103, u_int16_t) 78 79/* 80 * Controller parameter access 81 */ 82struct twe_paramcommand { 83 u_int16_t tp_table_id; 84 u_int8_t tp_param_id; 85 void *tp_data; 86 u_int8_t tp_size; 87}; 88 89#define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand) 90#define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand) 91 92/* 93 * Request a controller soft-reset 94 */ 95#define TWEIO_RESET _IO ('T', 106) 96 97/* 98 * Request a drive addition or deletion 99 */ 100struct twe_drivecommand { 101 int td_unit; 102}; 103 104#define TWEIO_ADD_UNIT _IOW ('U', 107, int) 105#define TWEIO_DEL_UNIT _IOW ('U', 108, int) 106