UbixOS V2  2.0
device.h
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1 /*****************************************************************************************
2  Copyright (c) 2002-2004 The UbixOS Project
3  All rights reserved.
4 
5  Redistribution and use in source and binary forms, with or without modification, are
6  permitted provided that the following conditions are met:
7 
8  Redistributions of source code must retain the above copyright notice, this list of
9  conditions, the following disclaimer and the list of authors. Redistributions in binary
10  form must reproduce the above copyright notice, this list of conditions, the following
11  disclaimer and the list of authors in the documentation and/or other materials provided
12  with the distribution. Neither the name of the UbixOS Project nor the names of its
13  contributors may be used to endorse or promote products derived from this software
14  without specific prior written permission.
15 
16  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
17  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
19  THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
21  OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
23  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 
26  $Id: device.h 54 2016-01-11 01:29:55Z reddawg $
27 
28 *****************************************************************************************/
29 /*
30 #ifndef _DEVICE_H
31 #define _DEVICE_H
32 
33 // #include <ubixos/types.h>
34 #include <sys/types.h>
35 #include "types.h"
36 
37 struct device_node {
38  struct device_node *prev;
39  struct device_node *next;
40  struct device_t *devInfo;
41  struct device_resource *devRec;
42  char type;
43  int minor;
44  };
45 
46 struct device_resource {
47  uInt8 irq;
48  };
49 
50 typedef struct device_t {
51  int major;
52  void *info;
53  uInt32 sectors;
54  int (*read)(device_t *, void *, off_t, size_t);
55  int (*write)(device_t *, void *, off_t, size_t);
56  int (*reset)(void *);
57  int (*init)(device_t *);
58  void (*ioctl)(void *);
59  void (*stop)(void *);
60  void (*start)(void *);
61  void (*standby)(void *);
62  };
63 
64 #endif
65 */
66 /***
67  $Log: device.h,v $
68  Revision 1.1.1.1 2006/06/01 12:46:15 reddawg
69  ubix2
70 
71  Revision 1.2 2005/10/12 00:13:38 reddawg
72  Removed
73 
74  Revision 1.1.1.1 2005/09/26 17:24:44 reddawg
75  no message
76 
77  Revision 1.4 2004/09/20 00:53:04 flameshadow
78  chg: UbixFS::vfs_read() now works for direct block extents
79  chg: UbixFS::vfs_read() returns ~0 on error, or the size read in on success
80  chg: UbixFS::root member is now a fileDescriptor
81  chg: UbixFS::vfs_init() creates a file descriptor for the root dir
82  chg: UbixFS::vfs_format() now sets all values in the bTreeHeader before writing
83  chg: UbixFS::vfs_format() sets the inode magic number
84  chg: device_t::read(device_t *, void *, off_t, size_t)
85  chg: device_t::write(device_t *, void *, off_t, size_t)
86  chg: vfs_abstract::vfs_read(fileDescriptor *, void *, off_t, size_t)
87  chg: vfs_abstract::vfs_write(fileDescriptor *, void *, off_t, size_t)
88  chg: ramDrive_read(device_t *dev,void *ptr,off_t offset,size_t length)
89  chg: ramDrive_write(device_t *dev,void *ptr,off_t offset,size_t length)
90 
91  Revision 1.3 2004/09/13 15:21:26 flameshadow
92  add: ramdrive.h
93  chg: renamed device_t.size to sectors
94  chg: made #define for size of ramdisk
95  chg: calculated sectors of ramdisk and stored in the device_t struct
96 
97  Revision 1.2 2004/09/11 22:05:59 flameshadow
98  chg: modified UbixFS::vfs_format() to properly init the device
99  chg: modified UbixFS::vfs_init() to verify that it's a ubixfs partition
100  add: added BAT blockRun in the superBlock
101 
102  Revision 1.1 2004/09/11 12:43:42 flameshadow
103  add: device.h, types.h. Temporarily moved custom ubix typedefs to types.h
104  (<ubixos/types.h> supercedes this file when this code is included into
105  the kernel)
106  chg: changed dev_t to device_interface so as to not conflict with bsd/linux
107  definitions
108  chg: fixed up compiler warnings in btree.cpp
109 
110  Revision 1.14 2004/08/15 00:33:02 reddawg
111  Wow the ide driver works again
112 
113  Revision 1.13 2004/08/14 21:56:44 reddawg
114  Added initialized byte to the device system to make it easy to add child devices which use parent hardware.
115 
116  Revision 1.12 2004/07/21 10:02:09 reddawg
117  devfs: renamed functions
118  device system: renamed functions
119  fdc: fixed a few potential bugs and cleaned up some unused variables
120  strol: fixed definition
121  endtask: made it print out freepage debug info
122  kmalloc: fixed a huge memory leak we had some unhandled descriptor insertion so some descriptors were lost
123  ld: fixed a pointer conversion
124  file: cleaned up a few unused variables
125  sched: broke task deletion
126  kprintf: fixed ogPrintf definition
127 
128  Revision 1.11 2004/05/22 02:40:04 ionix
129 
130 
131  fixed typo in device.h and initialized previous in device.c :)
132 
133  Revision 1.10 2004/05/22 02:34:03 ionix
134 
135 
136  Added proto
137 
138  Revision 1.9 2004/05/21 15:12:17 reddawg
139  Cleaned up
140 
141 
142  END
143  ***/
144