xref: /openbmc/qemu/include/hw/pci-host/xilinx-pcie.h (revision 438c78da)
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 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/hw.h"
24 #include "hw/sysbus.h"
25 #include "hw/pci/pci.h"
26 #include "hw/pci/pci_bridge.h"
27 #include "hw/pci/pcie_host.h"
28 
29 #define TYPE_XILINX_PCIE_HOST "xilinx-pcie-host"
30 #define XILINX_PCIE_HOST(obj) \
31      OBJECT_CHECK(XilinxPCIEHost, (obj), TYPE_XILINX_PCIE_HOST)
32 
33 #define TYPE_XILINX_PCIE_ROOT "xilinx-pcie-root"
34 #define XILINX_PCIE_ROOT(obj) \
35      OBJECT_CHECK(XilinxPCIERoot, (obj), TYPE_XILINX_PCIE_ROOT)
36 
37 typedef struct XilinxPCIERoot {
38     PCIBridge parent_obj;
39 } XilinxPCIERoot;
40 
41 typedef struct XilinxPCIEInt {
42     uint32_t fifo_reg1;
43     uint32_t fifo_reg2;
44 } XilinxPCIEInt;
45 
46 typedef struct XilinxPCIEHost {
47     PCIExpressHost parent_obj;
48 
49     char name[16];
50 
51     uint32_t bus_nr;
52     uint64_t cfg_base, cfg_size;
53     uint64_t mmio_base, mmio_size;
54     bool link_up;
55     qemu_irq irq;
56 
57     MemoryRegion mmio, io;
58 
59     XilinxPCIERoot root;
60 
61     uint32_t intr;
62     uint32_t intr_mask;
63     XilinxPCIEInt intr_fifo[16];
64     unsigned int intr_fifo_r, intr_fifo_w;
65     uint32_t rpscr;
66 } XilinxPCIEHost;
67 
68 #endif /* HW_XILINX_PCIE_H */
69