freebsd-dev/sys/dev/twe/tweio.h
Pedro F. Giffuni 718cf2ccb9 sys/dev: further adoption of SPDX licensing ID tags.
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
2017-11-27 14:52:40 +00:00

108 lines
3.0 KiB
C

/*-
* 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)