xref: /openbmc/qemu/include/hw/pci-host/gpex.h (revision fcf5ef2a)
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 Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>
18  */
19 
20 #ifndef HW_GPEX_H
21 #define HW_GPEX_H
22 
23 #include "hw/hw.h"
24 #include "hw/sysbus.h"
25 #include "hw/pci/pci.h"
26 #include "hw/pci/pcie_host.h"
27 
28 #define TYPE_GPEX_HOST "gpex-pcihost"
29 #define GPEX_HOST(obj) \
30      OBJECT_CHECK(GPEXHost, (obj), TYPE_GPEX_HOST)
31 
32 #define TYPE_GPEX_ROOT_DEVICE "gpex-root"
33 #define MCH_PCI_DEVICE(obj) \
34      OBJECT_CHECK(GPEXRootState, (obj), TYPE_GPEX_ROOT_DEVICE)
35 
36 #define GPEX_NUM_IRQS 4
37 
38 typedef struct GPEXRootState {
39     /*< private >*/
40     PCIDevice parent_obj;
41     /*< public >*/
42 } GPEXRootState;
43 
44 typedef struct GPEXHost {
45     /*< private >*/
46     PCIExpressHost parent_obj;
47     /*< public >*/
48 
49     GPEXRootState gpex_root;
50 
51     MemoryRegion io_ioport;
52     MemoryRegion io_mmio;
53     qemu_irq irq[GPEX_NUM_IRQS];
54 } GPEXHost;
55 
56 #endif /* HW_GPEX_H */
57