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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2003 Paul Saab
* Copyright (c) 2003 Vinod Kashyap
* Copyright (c) 2000 BSDi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
/*
* User-space command
*
* Note that the command's scatter/gather list will be computed by the
* driver, and cannot be filled in by the consumer.
*/
struct twe_usercommand {
TWE_Command tu_command; /* command ready for the controller */
void *tu_data; /* pointer to data in userspace */
size_t tu_size; /* userspace data length */
};
#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand)
/*
* Command queue statistics
*/
#define TWEQ_FREE 0
#define TWEQ_BIO 1
#define TWEQ_READY 2
#define TWEQ_BUSY 3
#define TWEQ_COMPLETE 4
#define TWEQ_COUNT 5 /* total number of queues */
struct twe_qstat {
u_int32_t q_length;
u_int32_t q_max;
u_int32_t q_min;
};
/*
* Statistics request
*/
union twe_statrequest {
u_int32_t ts_item;
struct twe_qstat ts_qstat;
};
#define TWEIO_STATS _IOWR('T', 101, union twe_statrequest)
/*
* AEN listen
*/
#define TWEIO_AEN_POLL _IOR('T', 102, u_int16_t)
#define TWEIO_AEN_WAIT _IOR('T', 103, u_int16_t)
/*
* Controller parameter access
*/
struct twe_paramcommand {
u_int16_t tp_table_id;
u_int8_t tp_param_id;
void *tp_data;
u_int8_t tp_size;
};
#define TWEIO_SET_PARAM _IOW ('T', 104, struct twe_paramcommand)
#define TWEIO_GET_PARAM _IOW ('T', 105, struct twe_paramcommand)
/*
* Request a controller soft-reset
*/
#define TWEIO_RESET _IO ('T', 106)
/*
* Request a drive addition or deletion
*/
struct twe_drivecommand {
int td_unit;
};
#define TWEIO_ADD_UNIT _IOW ('U', 107, int)
#define TWEIO_DEL_UNIT _IOW ('U', 108, int)
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