tweio.h revision 67555
167555Smsmith/*- 267555Smsmith * Copyright (c) 2000 Michael Smith 367555Smsmith * Copyright (c) 2000 BSDi 467555Smsmith * All rights reserved. 567555Smsmith * 667555Smsmith * Redistribution and use in source and binary forms, with or without 767555Smsmith * modification, are permitted provided that the following conditions 867555Smsmith * are met: 967555Smsmith * 1. Redistributions of source code must retain the above copyright 1067555Smsmith * notice, this list of conditions and the following disclaimer. 1167555Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1267555Smsmith * notice, this list of conditions and the following disclaimer in the 1367555Smsmith * documentation and/or other materials provided with the distribution. 1467555Smsmith * 1567555Smsmith * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1667555Smsmith * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1767555Smsmith * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1867555Smsmith * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1967555Smsmith * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2067555Smsmith * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2167555Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2267555Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2367555Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2467555Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2567555Smsmith * SUCH DAMAGE. 2667555Smsmith * 2767555Smsmith * $FreeBSD: head/sys/dev/twe/tweio.h 67555 2000-10-25 06:59:06Z msmith $ 2867555Smsmith */ 2967555Smsmith 3067555Smsmith 3167555Smsmith/* 3267555Smsmith * User-space command 3367555Smsmith * 3467555Smsmith * Note that the command's scatter/gather list will be computed by the 3567555Smsmith * driver, and cannot be filled in by the consumer. 3667555Smsmith */ 3767555Smsmithstruct twe_usercommand { 3867555Smsmith TWE_Command tu_command; /* command ready for the controller */ 3967555Smsmith void *tu_data; /* pointer to data in userspace */ 4067555Smsmith size_t tu_size; /* userspace data length */ 4167555Smsmith}; 4267555Smsmith 4367555Smsmith#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand) 4467555Smsmith 4567555Smsmith/* 4667555Smsmith * Command queue statistics 4767555Smsmith */ 4867555Smsmith#define TWEQ_FREE 0 4967555Smsmith#define TWEQ_BIO 1 5067555Smsmith#define TWEQ_READY 2 5167555Smsmith#define TWEQ_BUSY 3 5267555Smsmith#define TWEQ_COMPLETE 4 5367555Smsmith#define TWEQ_COUNT 5 /* total number of queues */ 5467555Smsmith 5567555Smsmithstruct twe_qstat { 5667555Smsmith u_int32_t q_length; 5767555Smsmith u_int32_t q_max; 5867555Smsmith}; 5967555Smsmith 6067555Smsmith/* 6167555Smsmith * Statistics request 6267555Smsmith */ 6367555Smsmithunion twe_statrequest { 6467555Smsmith u_int32_t ts_item; 6567555Smsmith struct twe_qstat ts_qstat; 6667555Smsmith}; 6767555Smsmith 6867555Smsmith#define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) 6967555Smsmith 7067555Smsmith/* 7167555Smsmith * AEN listen 7267555Smsmith */ 7367555Smsmith#define TWEIO_AEN_POLL _IOR('T', 102, int) 7467555Smsmith#define TWEIO_AEN_WAIT _IOR('T', 103, int) 7567555Smsmith 7667555Smsmith/* 7767555Smsmith * Controller parameter access 7867555Smsmith */ 7967555Smsmithstruct twe_paramcommand { 8067555Smsmith u_int16_t tp_table_id; 8167555Smsmith u_int8_t tp_param_id; 8267555Smsmith void *tp_data; 8367555Smsmith u_int8_t tp_size; 8467555Smsmith}; 8567555Smsmith 8667555Smsmith#define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand) 8767555Smsmith#define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand) 8867555Smsmith 8967555Smsmith/* 9067555Smsmith * Request a controller soft-reset 9167555Smsmith */ 9267555Smsmith#define TWEIO_RESET _IO ('T', 106) 93