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