xref: /openbmc/qemu/include/hw/pci-host/gpex.h (revision a68694cd)
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 typedef struct GPEXHost GPEXHost;
30 DECLARE_INSTANCE_CHECKER(GPEXHost, GPEX_HOST,
31                          TYPE_GPEX_HOST)
32 
33 #define TYPE_GPEX_ROOT_DEVICE "gpex-root"
34 typedef struct GPEXRootState GPEXRootState;
35 DECLARE_INSTANCE_CHECKER(GPEXRootState, GPEX_ROOT_DEVICE,
36                          TYPE_GPEX_ROOT_DEVICE)
37 
38 #define GPEX_NUM_IRQS 4
39 
40 struct GPEXRootState {
41     /*< private >*/
42     PCIDevice parent_obj;
43     /*< public >*/
44 };
45 
46 struct GPEXHost {
47     /*< private >*/
48     PCIExpressHost parent_obj;
49     /*< public >*/
50 
51     GPEXRootState gpex_root;
52 
53     MemoryRegion io_ioport;
54     MemoryRegion io_mmio;
55     qemu_irq irq[GPEX_NUM_IRQS];
56     int irq_num[GPEX_NUM_IRQS];
57 };
58 
59 int gpex_set_irq_num(GPEXHost *s, int index, int gsi);
60 
61 #endif /* HW_GPEX_H */
62