scoutos / prex-0.9.0 / sys / include / device.h @ 03e9c04a
History | View | Annotate | Download (2.33 KB)
| 1 | 03e9c04a | Brad Neuman | /*-
|
|---|---|---|---|
| 2 | * Copyright (c) 2005-2007, Kohsuke Ohtani
|
||
| 3 | * All rights reserved.
|
||
| 4 | *
|
||
| 5 | * Redistribution and use in source and binary forms, with or without
|
||
| 6 | * modification, are permitted provided that the following conditions
|
||
| 7 | * are met:
|
||
| 8 | * 1. Redistributions of source code must retain the above copyright
|
||
| 9 | * notice, this list of conditions and the following disclaimer.
|
||
| 10 | * 2. Redistributions in binary form must reproduce the above copyright
|
||
| 11 | * notice, this list of conditions and the following disclaimer in the
|
||
| 12 | * documentation and/or other materials provided with the distribution.
|
||
| 13 | * 3. Neither the name of the author nor the names of any co-contributors
|
||
| 14 | * may be used to endorse or promote products derived from this software
|
||
| 15 | * without specific prior written permission.
|
||
| 16 | *
|
||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
| 18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
| 21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
| 22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
| 23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
| 24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
| 25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
| 26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
| 27 | * SUCH DAMAGE.
|
||
| 28 | */
|
||
| 29 | |||
| 30 | #ifndef _DEVICE_H
|
||
| 31 | #define _DEVICE_H
|
||
| 32 | |||
| 33 | #include <sys/cdefs.h> |
||
| 34 | #include <types.h> |
||
| 35 | #include <sys/device.h> |
||
| 36 | |||
| 37 | /*
|
||
| 38 | * Device object
|
||
| 39 | */
|
||
| 40 | struct device {
|
||
| 41 | struct device *next; /* linkage on list of all devices */ |
||
| 42 | struct driver *driver; /* pointer to the driver object */ |
||
| 43 | char name[MAXDEVNAME]; /* name of device */ |
||
| 44 | int flags; /* D_* flags defined above */ |
||
| 45 | int active; /* device has not been destroyed */ |
||
| 46 | int refcnt; /* reference count */ |
||
| 47 | void *private; /* private storage */ |
||
| 48 | }; |
||
| 49 | |||
| 50 | __BEGIN_DECLS |
||
| 51 | int device_open(const char *, int, device_t *); |
||
| 52 | int device_close(device_t);
|
||
| 53 | int device_read(device_t, void *, size_t *, int); |
||
| 54 | int device_write(device_t, void *, size_t *, int); |
||
| 55 | int device_ioctl(device_t, u_long, void *); |
||
| 56 | int device_info(struct devinfo *); |
||
| 57 | void device_init(void); |
||
| 58 | __BEGIN_DECLS |
||
| 59 | |||
| 60 | #endif /* !_DEVICE_H */ |