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: src/sys/dev/twe/tweio.h,v 1.6 2012/11/17 01:52:19 svnexp Exp $ 30 */ 31 32 #include <sys/ioccom.h> 33 34 /* 35 * User-space command 36 * 37 * Note that the command's scatter/gather list will be computed by the 38 * driver, and cannot be filled in by the consumer. 39 */ 40 struct twe_usercommand { 41 TWE_Command tu_command; /* command ready for the controller */ 42 void *tu_data; /* pointer to data in userspace */ 43 size_t tu_size; /* userspace data length */ 44 }; 45 46 #define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand) 47 48 /* 49 * Command queue statistics 50 */ 51 #define TWEQ_FREE 0 52 #define TWEQ_BIO 1 53 #define TWEQ_READY 2 54 #define TWEQ_BUSY 3 55 #define TWEQ_COMPLETE 4 56 #define TWEQ_COUNT 5 /* total number of queues */ 57 58 struct twe_qstat { 59 u_int32_t q_length; 60 u_int32_t q_max; 61 u_int32_t q_min; 62 }; 63 64 /* 65 * Statistics request 66 */ 67 union twe_statrequest { 68 u_int32_t ts_item; 69 struct twe_qstat ts_qstat; 70 }; 71 72 #define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) 73 74 /* 75 * AEN listen 76 */ 77 #define TWEIO_AEN_POLL _IOR('T', 102, u_int16_t) 78 #define TWEIO_AEN_WAIT _IOR('T', 103, u_int16_t) 79 80 /* 81 * Controller parameter access 82 */ 83 struct twe_paramcommand { 84 u_int16_t tp_table_id; 85 u_int8_t tp_param_id; 86 void *tp_data; 87 u_int8_t tp_size; 88 }; 89 90 #define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand) 91 #define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand) 92 93 /* 94 * Request a controller soft-reset 95 */ 96 #define TWEIO_RESET _IO ('T', 106) 97 98 /* 99 * Request a drive addition or deletion 100 */ 101 struct twe_drivecommand { 102 int td_unit; 103 }; 104 105 #define TWEIO_ADD_UNIT _IOW ('U', 107, int) 106 #define TWEIO_DEL_UNIT _IOW ('U', 108, int) 107