xref: /openbmc/qemu/hw/pci/pci-stub.c (revision bf616ce4)
1 /*
2  * PCI stubs for platforms that don't support pci bus.
3  *
4  * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
5  *                    VA Linux Systems Japan K.K.
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #include "qemu/osdep.h"
22 #include "monitor/monitor.h"
23 #include "monitor/hmp.h"
24 #include "qapi/qapi-commands-pci.h"
25 #include "hw/pci/pci.h"
26 #include "hw/pci/msi.h"
27 #include "hw/pci/msix.h"
28 
29 bool msi_nonbroken;
30 bool pci_available;
31 
32 PciInfoList *qmp_query_pci(Error **errp)
33 {
34     return NULL;
35 }
36 
37 void hmp_info_pci(Monitor *mon, const QDict *qdict)
38 {
39 }
40 
41 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict)
42 {
43     monitor_printf(mon, "PCI devices not supported\n");
44 }
45 
46 /* kvm-all wants this */
47 MSIMessage pci_get_msi_message(PCIDevice *dev, int vector)
48 {
49     g_assert(false);
50     return (MSIMessage){};
51 }
52 
53 uint16_t pci_requester_id(PCIDevice *dev)
54 {
55     g_assert(false);
56     return 0;
57 }
58 
59 /* Required by ahci.c */
60 bool msi_enabled(const PCIDevice *dev)
61 {
62     return false;
63 }
64 
65 void msi_notify(PCIDevice *dev, unsigned int vector)
66 {
67     g_assert_not_reached();
68 }
69 
70 /* Required by target/i386/kvm.c */
71 bool msi_is_masked(const PCIDevice *dev, unsigned vector)
72 {
73     g_assert_not_reached();
74 }
75 
76 MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector)
77 {
78     g_assert_not_reached();
79 }
80 
81 int msix_enabled(PCIDevice *dev)
82 {
83     return false;
84 }
85 
86 bool msix_is_masked(PCIDevice *dev, unsigned vector)
87 {
88     g_assert_not_reached();
89 }
90 
91 MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector)
92 {
93     g_assert_not_reached();
94 }
95