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 */ 39 struct 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 57 struct 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 */ 66 union 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 */ 82 struct 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 */ 100 struct 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