1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2000 Michael Smith 5 * Copyright (c) 2003 Paul Saab 6 * Copyright (c) 2003 Vinod Kashyap 7 * Copyright (c) 2000 BSDi 8 * All rights reserved. 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 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 u_int32_t q_min; 60 }; 61 62 /* 63 * Statistics request 64 */ 65 union twe_statrequest { 66 u_int32_t ts_item; 67 struct twe_qstat ts_qstat; 68 }; 69 70 #define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) 71 72 /* 73 * AEN listen 74 */ 75 #define TWEIO_AEN_POLL _IOR('T', 102, u_int16_t) 76 #define TWEIO_AEN_WAIT _IOR('T', 103, u_int16_t) 77 78 /* 79 * Controller parameter access 80 */ 81 struct twe_paramcommand { 82 u_int16_t tp_table_id; 83 u_int8_t tp_param_id; 84 void *tp_data; 85 u_int8_t tp_size; 86 }; 87 88 #define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand) 89 #define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand) 90 91 /* 92 * Request a controller soft-reset 93 */ 94 #define TWEIO_RESET _IO ('T', 106) 95 96 /* 97 * Request a drive addition or deletion 98 */ 99 struct twe_drivecommand { 100 int td_unit; 101 }; 102 103 #define TWEIO_ADD_UNIT _IOW ('U', 107, int) 104 #define TWEIO_DEL_UNIT _IOW ('U', 108, int) 105