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