root / lab4 / .minix-src / include / dev / pci / tweio.h @ 13
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/* $NetBSD: tweio.h,v 1.5 2005/12/11 12:22:51 christos Exp $ */
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/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from FreeBSD: tweio.h,v 1.1 2000/10/25 06:59:05 msmith Exp
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*/
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#ifndef _DEV_PCI_TWEIO_H_
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#define _DEV_PCI_TWEIO_H_
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#include <sys/ioccom.h> |
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#include <dev/pci/twereg.h> |
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/*
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* User-space command
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*
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* Note that the command's scatter/gather list will be computed by the
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* driver, and cannot be filled in by the consumer.
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*/
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struct twe_usercommand {
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struct twe_cmd tu_cmd; /* command ready for the controller */ |
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void *tu_data; /* pointer to data in userspace */ |
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size_t tu_size; /* userspace data length */
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}; |
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#define TWEIO_COMMAND _IOWR('T', 100, struct twe_usercommand) |
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/*
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* Command queue statistics
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*/
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#define TWEQ_FREE 0 |
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#define TWEQ_BIO 1 |
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#define TWEQ_READY 2 |
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#define TWEQ_BUSY 3 |
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#define TWEQ_COMPLETE 4 |
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#define TWEQ_COUNT 5 /* total number of queues */ |
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struct twe_qstat {
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u_int32_t q_length; |
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u_int32_t q_max; |
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}; |
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/*
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* Statistics request
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*/
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union twe_statrequest {
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u_int32_t ts_item; |
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struct twe_qstat ts_qstat;
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}; |
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#define TWEIO_STATS _IOWR('T', 101, union twe_statrequest) |
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/*
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* AEN listen
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*/
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#define TWEIO_AEN_POLL _IOR('T', 102, int) |
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#define TWEIO_AEN_WAIT _IOR('T', 103, int) |
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/*
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* Controller parameter access
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*/
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struct twe_paramcommand {
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u_int16_t tp_table_id; |
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u_int8_t tp_param_id; |
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void *tp_data;
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u_int8_t tp_size; |
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}; |
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#define TWEIO_SET_PARAM _IOW('T', 104, struct twe_paramcommand) |
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#define TWEIO_GET_PARAM _IOW('T', 105, struct twe_paramcommand) |
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/*
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* Request a controller soft-reset
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*/
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#define TWEIO_RESET _IO('T', 106) |
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/*
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* Request a drive addition or deletion
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*/
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struct twe_drivecommand {
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int td_unit;
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}; |
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#define TWEIO_ADD_UNIT _IOW('U', 107, struct twe_drivecommand) |
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#define TWEIO_DEL_UNIT _IOW('U', 108, struct twe_drivecommand) |
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#endif /* _DEV_PCI_TWEIO_H_ */ |