xref: /openbmc/qemu/include/hw/pci-host/gpex.h (revision 6e2e2e8a)
1 /*
2  * QEMU Generic PCI Express Bridge Emulation
3  *
4  * Copyright (C) 2015 Alexander Graf <agraf@suse.de>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see <http://www.gnu.org/licenses/>
18  */
19 
20 #ifndef HW_GPEX_H
21 #define HW_GPEX_H
22 
23 #include "hw/sysbus.h"
24 #include "hw/pci/pci.h"
25 #include "hw/pci/pcie_host.h"
26 #include "qom/object.h"
27 
28 #define TYPE_GPEX_HOST "gpex-pcihost"
29 OBJECT_DECLARE_SIMPLE_TYPE(GPEXHost, GPEX_HOST)
30 
31 #define TYPE_GPEX_ROOT_DEVICE "gpex-root"
32 OBJECT_DECLARE_SIMPLE_TYPE(GPEXRootState, GPEX_ROOT_DEVICE)
33 
34 #define GPEX_NUM_IRQS 4
35 
36 struct GPEXRootState {
37     /*< private >*/
38     PCIDevice parent_obj;
39     /*< public >*/
40 };
41 
42 struct GPEXHost {
43     /*< private >*/
44     PCIExpressHost parent_obj;
45     /*< public >*/
46 
47     GPEXRootState gpex_root;
48 
49     MemoryRegion io_ioport;
50     MemoryRegion io_mmio;
51     qemu_irq irq[GPEX_NUM_IRQS];
52     int irq_num[GPEX_NUM_IRQS];
53 };
54 
55 int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
56 
57 #endif /* HW_GPEX_H */
58