Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2021-10-15' into staging
[qemu.git] / include / hw / pci-host / xilinx-pcie.h
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 */