1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* PCIDEV: PCI host device mapping
* Copyright (C) 2003 Frank Cornelis <fcorneli@pandora.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _KERNEL_PCIDEV_H
#define _KERNEL_PCIDEV_H
#define PCIDEV_MAJOR 240
#define PCIDEV_NAME "pcidev"
#define PCIDEV_COUNT_RESOURCES 6
struct pcidev_find_struct {
unsigned long vendorID;
unsigned long deviceID;
unsigned long bus;
unsigned long device;
unsigned long func;
struct {
unsigned long start;
unsigned long end;
unsigned long flags; // see linux/ioport.h
} resources [PCIDEV_COUNT_RESOURCES];
};
// we copied these values from linux/ioport.h since these
// are not accessible from within user space code
#define PCIDEV_RESOURCE_IO 0x100
#define PCIDEV_RESOURCE_MEM 0x200
struct pcidev_io_struct {
unsigned long address;
unsigned long value;
};
#define PCIDEV_IOCTL_MAGIC 'p'
#define PCIDEV_IOCTL_FIND _IOWR(PCIDEV_IOCTL_MAGIC, 0, struct pcidev_find_struct)
#define PCIDEV_IOCTL_READ_CONFIG_BYTE _IOWR(PCIDEV_IOCTL_MAGIC, 1, struct pcidev_io_struct)
#define PCIDEV_IOCTL_READ_CONFIG_WORD _IOWR(PCIDEV_IOCTL_MAGIC, 2, struct pcidev_io_struct)
#define PCIDEV_IOCTL_READ_CONFIG_DWORD _IOWR(PCIDEV_IOCTL_MAGIC, 3, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_CONFIG_BYTE _IOR(PCIDEV_IOCTL_MAGIC, 4, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_CONFIG_WORD _IOR(PCIDEV_IOCTL_MAGIC, 5, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_CONFIG_DWORD _IOR(PCIDEV_IOCTL_MAGIC, 6, struct pcidev_io_struct)
#define PCIDEV_IOCTL_INTERRUPT _IO(PCIDEV_IOCTL_MAGIC, 7)
#define PCIDEV_IOCTL_INTERRUPT_TEST _IO(PCIDEV_IOCTL_MAGIC, 8)
#define PCIDEV_IOCTL_READ_IO_BYTE _IOWR(PCIDEV_IOCTL_MAGIC, 9, struct pcidev_io_struct)
#define PCIDEV_IOCTL_READ_IO_WORD _IOWR(PCIDEV_IOCTL_MAGIC, 10, struct pcidev_io_struct)
#define PCIDEV_IOCTL_READ_IO_DWORD _IOWR(PCIDEV_IOCTL_MAGIC, 11, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_IO_BYTE _IOR(PCIDEV_IOCTL_MAGIC, 12, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_IO_WORD _IOR(PCIDEV_IOCTL_MAGIC, 13, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_IO_DWORD _IOR(PCIDEV_IOCTL_MAGIC, 14, struct pcidev_io_struct)
#define PCIDEV_IOCTL_READ_MEM_BYTE _IOWR(PCIDEV_IOCTL_MAGIC, 15, struct pcidev_io_struct)
#define PCIDEV_IOCTL_READ_MEM_WORD _IOWR(PCIDEV_IOCTL_MAGIC, 16, struct pcidev_io_struct)
#define PCIDEV_IOCTL_READ_MEM_DWORD _IOWR(PCIDEV_IOCTL_MAGIC, 17, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_MEM_BYTE _IOR(PCIDEV_IOCTL_MAGIC, 18, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_MEM_WORD _IOR(PCIDEV_IOCTL_MAGIC, 19, struct pcidev_io_struct)
#define PCIDEV_IOCTL_WRITE_MEM_DWORD _IOR(PCIDEV_IOCTL_MAGIC, 20, struct pcidev_io_struct)
#define PCIDEV_IOCTL_PROBE_CONFIG_DWORD _IOWR(PCIDEV_IOCTL_MAGIC, 21, struct pcidev_io_struct)
#ifdef __KERNEL__
struct pcidev_struct {
struct pci_dev *dev;
int pid; // send irq signals to this task
struct timer_list irq_timer; // for testing the irq signals
void *mapped_mem [PCIDEV_COUNT_RESOURCES];
};
#endif // __KERNEL__
#endif // _KERNEL_PCIDEV_H
|
