xref: /libpciaccess/src/common_vgaarb_stub.c (revision 566a6776)
1 /*
2  * Copyright (c) 2009 Tiago Vignatti
3  *
4  * Permission is hereby granted, free of charge, to any person
5  * obtaining a copy of this software and associated documentation
6  * files (the "Software"), to deal in the Software without
7  * restriction, including without limitation the rights to use,
8  * copy, modify, merge, publish, distribute, sublicense, and/or sell
9  * copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following
11  * conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
18  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23  * OTHER DEALINGS IN THE SOFTWARE.
24  *
25  */
26 
27 #include <stdio.h>
28 #include "pciaccess.h"
29 
30 int
pci_device_vgaarb_init(void)31 pci_device_vgaarb_init(void)
32 {
33 #ifdef DEBUG
34     fprintf(stderr, "%s: You're using VGA arbiter stub functions!\n",
35                                                             __FUNCTION__);
36 #endif
37     return -1;
38 }
39 
40 void
pci_device_vgaarb_fini(void)41 pci_device_vgaarb_fini(void)
42 {
43 }
44 
45 int
pci_device_vgaarb_set_target(struct pci_device * dev)46 pci_device_vgaarb_set_target(struct pci_device *dev)
47 {
48     return -1;
49 }
50 
51 int
pci_device_vgaarb_decodes(int new_vga_rsrc)52 pci_device_vgaarb_decodes(int new_vga_rsrc)
53 {
54     return -1;
55 }
56 
57 int
pci_device_vgaarb_lock(void)58 pci_device_vgaarb_lock(void)
59 {
60     return -1;
61 }
62 
63 int
pci_device_vgaarb_trylock(void)64 pci_device_vgaarb_trylock(void)
65 {
66     return -1;
67 }
68 
69 int
pci_device_vgaarb_unlock(void)70 pci_device_vgaarb_unlock(void)
71 {
72     return 0;
73 }
74 
pci_device_vgaarb_get_info(struct pci_device * dev,int * vga_count,int * rsrc_decodes)75 int pci_device_vgaarb_get_info(struct pci_device *dev, int *vga_count,
76 			       int *rsrc_decodes)
77 {
78     return -1;
79 }
80