xref: /openbmc/qemu/hw/pci/pci-stub.c (revision c2c139749733545516ffff0b54f949bb3343711f)
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 "sysemu/sysemu.h"
23 #include "monitor/monitor.h"
24 #include "monitor/hmp.h"
25 #include "qapi/qapi-commands-pci.h"
26 #include "hw/pci/pci.h"
27 #include "hw/pci/msi.h"
28 #include "hw/pci/msix.h"
29 
30 bool msi_nonbroken;
31 bool pci_available;
32 
33 PciInfoList *qmp_query_pci(Error **errp)
34 {
35     return NULL;
36 }
37 
38 void hmp_info_pci(Monitor *mon, const QDict *qdict)
39 {
40 }
41 
42 void hmp_pcie_aer_inject_error(Monitor *mon, const QDict *qdict)
43 {
44     monitor_printf(mon, "PCI devices not supported\n");
45 }
46 
47 /* kvm-all wants this */
48 MSIMessage pci_get_msi_message(PCIDevice *dev, int vector)
49 {
50     g_assert(false);
51     return (MSIMessage){};
52 }
53 
54 uint16_t pci_requester_id(PCIDevice *dev)
55 {
56     g_assert(false);
57     return 0;
58 }
59 
60 /* Required by ahci.c */
61 bool msi_enabled(const PCIDevice *dev)
62 {
63     return false;
64 }
65 
66 void msi_notify(PCIDevice *dev, unsigned int vector)
67 {
68     g_assert_not_reached();
69 }
70 
71 /* Required by target/i386/kvm.c */
72 bool msi_is_masked(const PCIDevice *dev, unsigned vector)
73 {
74     g_assert_not_reached();
75 }
76 
77 MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector)
78 {
79     g_assert_not_reached();
80 }
81 
82 int msix_enabled(PCIDevice *dev)
83 {
84     return false;
85 }
86 
87 bool msix_is_masked(PCIDevice *dev, unsigned vector)
88 {
89     g_assert_not_reached();
90 }
91 
92 MSIMessage msix_get_message(PCIDevice *dev, unsigned int vector)
93 {
94     g_assert_not_reached();
95 }
96