167555Smsmith/*- 267555Smsmith * Copyright (c) 2000 Michael Smith 3123103Sps * Copyright (c) 2003 Paul Saab 4123103Sps * Copyright (c) 2003 Vinod Kashyap 567555Smsmith * Copyright (c) 2000 BSDi 667555Smsmith * All rights reserved. 767555Smsmith * 867555Smsmith * Redistribution and use in source and binary forms, with or without 967555Smsmith * modification, are permitted provided that the following conditions 1067555Smsmith * are met: 1167555Smsmith * 1. Redistributions of source code must retain the above copyright 1267555Smsmith * notice, this list of conditions and the following disclaimer. 1367555Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1467555Smsmith * notice, this list of conditions and the following disclaimer in the 1567555Smsmith * documentation and/or other materials provided with the distribution. 1667555Smsmith * 1767555Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1867555Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1967555Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2067555Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2167555Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2267555Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2367555Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2467555Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2567555Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2667555Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2767555Smsmith * SUCH DAMAGE. 2867555Smsmith * 2967555Smsmith * $FreeBSD: releng/10.2/sys/dev/twe/tweio.h 142025 2005-02-17 19:05:42Z vkashyap $ 3067555Smsmith */ 3167555Smsmith 3267555Smsmith 3367555Smsmith/* 3467555Smsmith * User-space command 3567555Smsmith * 3667555Smsmith * Note that the command's scatter/gather list will be computed by the 3767555Smsmith * driver, and cannot be filled in by the consumer. 3867555Smsmith */ 3967555Smsmithstruct twe_usercommand { 4067555Smsmith TWE_Command tu_command; /* command ready for the controller */ 4167555Smsmith void *tu_data; /* pointer to data in userspace */ 4267555Smsmith size_t tu_size; /* userspace data length */ 4367555Smsmith}; 4467555Smsmith 4567555Smsmith#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand) 4667555Smsmith 4767555Smsmith/* 4867555Smsmith * Command queue statistics 4967555Smsmith */ 5067555Smsmith#define TWEQ_FREE 0 5167555Smsmith#define TWEQ_BIO 1 5267555Smsmith#define TWEQ_READY 2 5367555Smsmith#define TWEQ_BUSY 3 5467555Smsmith#define TWEQ_COMPLETE 4 5567555Smsmith#define TWEQ_COUNT 5 /* total number of queues */ 5667555Smsmith 5767555Smsmithstruct twe_qstat { 5867555Smsmith u_int32_t q_length; 5967555Smsmith u_int32_t q_max; 60123103Sps u_int32_t q_min; 6167555Smsmith}; 6267555Smsmith 6367555Smsmith/* 6467555Smsmith * Statistics request 6567555Smsmith */ 6667555Smsmithunion twe_statrequest { 6767555Smsmith u_int32_t ts_item; 6867555Smsmith struct twe_qstat ts_qstat; 6967555Smsmith}; 7067555Smsmith 7167555Smsmith#define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) 7267555Smsmith 7367555Smsmith/* 7467555Smsmith * AEN listen 7567555Smsmith */ 76123103Sps#define TWEIO_AEN_POLL _IOR('T', 102, u_int16_t) 77123103Sps#define TWEIO_AEN_WAIT _IOR('T', 103, u_int16_t) 7867555Smsmith 7967555Smsmith/* 8067555Smsmith * Controller parameter access 8167555Smsmith */ 8267555Smsmithstruct twe_paramcommand { 8367555Smsmith u_int16_t tp_table_id; 8467555Smsmith u_int8_t tp_param_id; 8567555Smsmith void *tp_data; 8667555Smsmith u_int8_t tp_size; 8767555Smsmith}; 8867555Smsmith 8967555Smsmith#define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand) 9067555Smsmith#define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand) 9167555Smsmith 9267555Smsmith/* 9367555Smsmith * Request a controller soft-reset 9467555Smsmith */ 9567555Smsmith#define TWEIO_RESET _IO ('T', 106) 96118508Sps 97118508Sps/* 98118508Sps * Request a drive addition or deletion 99118508Sps */ 100118508Spsstruct twe_drivecommand { 101118508Sps int td_unit; 102118508Sps}; 103118508Sps 104118508Sps#define TWEIO_ADD_UNIT _IOW ('U', 107, int) 105118508Sps#define TWEIO_DEL_UNIT _IOW ('U', 108, int) 106