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Diffstat (limited to 'sys/dev/twe/tweio.h')
| -rw-r--r-- | sys/dev/twe/tweio.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sys/dev/twe/tweio.h b/sys/dev/twe/tweio.h new file mode 100644 index 0000000..eaf0d7b --- /dev/null +++ b/sys/dev/twe/tweio.h @@ -0,0 +1,92 @@ +/*- + * Copyright (c) 2000 Michael Smith + * 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; +}; + +/* + * 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, int) +#define TWEIO_AEN_WAIT _IOR('T', 103, int) + +/* + * 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) |
