xref: /openbmc/qemu/include/hw/pci-host/xilinx-pcie.h (revision b492a4b8)
1 /*
2  * Xilinx PCIe host controller emulation.
3  *
4  * Copyright (c) 2016 Imagination Technologies
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library 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 GNU
14  * Lesser 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_XILINX_PCIE_H
21 #define HW_XILINX_PCIE_H
22 
23 #include "hw/sysbus.h"
24 #include "hw/pci/pci.h"
25 #include "hw/pci/pci_bridge.h"
26 #include "hw/pci/pcie_host.h"
27 #include "qom/object.h"
28 
29 #define TYPE_XILINX_PCIE_HOST "xilinx-pcie-host"
30 OBJECT_DECLARE_SIMPLE_TYPE(XilinxPCIEHost, XILINX_PCIE_HOST)
31 
32 #define TYPE_XILINX_PCIE_ROOT "xilinx-pcie-root"
33 OBJECT_DECLARE_SIMPLE_TYPE(XilinxPCIERoot, XILINX_PCIE_ROOT)
34 
35 struct XilinxPCIERoot {
36     PCIBridge parent_obj;
37 };
38 
39 typedef struct XilinxPCIEInt {
40     uint32_t fifo_reg1;
41     uint32_t fifo_reg2;
42 } XilinxPCIEInt;
43 
44 struct XilinxPCIEHost {
45     PCIExpressHost parent_obj;
46 
47     char name[16];
48 
49     uint32_t bus_nr;
50     uint64_t cfg_base, cfg_size;
51     uint64_t mmio_base, mmio_size;
52     bool link_up;
53     qemu_irq irq;
54 
55     MemoryRegion mmio, io;
56 
57     XilinxPCIERoot root;
58 
59     uint32_t intr;
60     uint32_t intr_mask;
61     XilinxPCIEInt intr_fifo[16];
62     unsigned int intr_fifo_r, intr_fifo_w;
63     uint32_t rpscr;
64 };
65 
66 #endif /* HW_XILINX_PCIE_H */
67