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: src/sys/dev/twe/tweio.h,v 1.1.2.2 2002/03/07 09:57:02 msmith Exp $ 28 * $DragonFly: src/sys/dev/raid/twe/tweio.h,v 1.3 2004/01/05 17:40:00 drhodus Exp $ 29 */ 30 31 32 /* 33 * User-space command 34 * 35 * Note that the command's scatter/gather list will be computed by the 36 * driver, and cannot be filled in by the consumer. 37 */ 38 struct twe_usercommand { 39 TWE_Command tu_command; /* command ready for the controller */ 40 void *tu_data; /* pointer to data in userspace */ 41 size_t tu_size; /* userspace data length */ 42 }; 43 44 #define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand) 45 46 /* 47 * Command queue statistics 48 */ 49 #define TWEQ_FREE 0 50 #define TWEQ_BIO 1 51 #define TWEQ_READY 2 52 #define TWEQ_BUSY 3 53 #define TWEQ_COMPLETE 4 54 #define TWEQ_COUNT 5 /* total number of queues */ 55 56 struct twe_qstat { 57 u_int32_t q_length; 58 u_int32_t q_max; 59 }; 60 61 /* 62 * Statistics request 63 */ 64 union twe_statrequest { 65 u_int32_t ts_item; 66 struct twe_qstat ts_qstat; 67 }; 68 69 #define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) 70 71 /* 72 * AEN listen 73 */ 74 #define TWEIO_AEN_POLL _IOR('T', 102, int) 75 #define TWEIO_AEN_WAIT _IOR('T', 103, int) 76 77 /* 78 * Controller parameter access 79 */ 80 struct twe_paramcommand { 81 u_int16_t tp_table_id; 82 u_int8_t tp_param_id; 83 void *tp_data; 84 u_int8_t tp_size; 85 }; 86 87 #define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand) 88 #define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand) 89 90 /* 91 * Request a controller soft-reset 92 */ 93 #define TWEIO_RESET _IO ('T', 106) 94 95 /* 96 * Request a drive addition or deletion 97 */ 98 struct twe_drivecommand { 99 int td_unit; 100 }; 101 102 #define TWEIO_ADD_UNIT _IOW ('U', 107, int) 103 #define TWEIO_DEL_UNIT _IOW ('U', 108, int) 104