root / prex-0.9.0 / sys / include / device.h @ 03e9c04a
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/*-
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* Copyright (c) 2005-2007, Kohsuke Ohtani
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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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* 3. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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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#ifndef _DEVICE_H
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#define _DEVICE_H
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#include <sys/cdefs.h> |
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#include <types.h> |
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#include <sys/device.h> |
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/*
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* Device object
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*/
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struct device {
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struct device *next; /* linkage on list of all devices */ |
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struct driver *driver; /* pointer to the driver object */ |
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char name[MAXDEVNAME]; /* name of device */ |
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int flags; /* D_* flags defined above */ |
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int active; /* device has not been destroyed */ |
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int refcnt; /* reference count */ |
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void *private; /* private storage */ |
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}; |
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__BEGIN_DECLS |
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int device_open(const char *, int, device_t *); |
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int device_close(device_t);
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int device_read(device_t, void *, size_t *, int); |
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int device_write(device_t, void *, size_t *, int); |
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int device_ioctl(device_t, u_long, void *); |
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int device_info(struct devinfo *); |
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void device_init(void); |
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__BEGIN_DECLS |
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#endif /* !_DEVICE_H */ |