1 /* 2 * QEMU Generic PCI Express Bridge Emulation 3 * 4 * Copyright (C) 2015 Alexander Graf <agraf@suse.de> 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. 10 * 11 * This program 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 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, see <http://www.gnu.org/licenses/> 18 */ 19 20 #ifndef HW_GPEX_H 21 #define HW_GPEX_H 22 23 #include "hw/sysbus.h" 24 #include "hw/pci/pci.h" 25 #include "hw/pci/pcie_host.h" 26 #include "qom/object.h" 27 28 #define TYPE_GPEX_HOST "gpex-pcihost" 29 typedef struct GPEXHost GPEXHost; 30 DECLARE_INSTANCE_CHECKER(GPEXHost, GPEX_HOST, 31 TYPE_GPEX_HOST) 32 33 #define TYPE_GPEX_ROOT_DEVICE "gpex-root" 34 typedef struct GPEXRootState GPEXRootState; 35 DECLARE_INSTANCE_CHECKER(GPEXRootState, MCH_PCI_DEVICE, 36 TYPE_GPEX_ROOT_DEVICE) 37 38 #define GPEX_NUM_IRQS 4 39 40 struct GPEXRootState { 41 /*< private >*/ 42 PCIDevice parent_obj; 43 /*< public >*/ 44 }; 45 46 struct GPEXHost { 47 /*< private >*/ 48 PCIExpressHost parent_obj; 49 /*< public >*/ 50 51 GPEXRootState gpex_root; 52 53 MemoryRegion io_ioport; 54 MemoryRegion io_mmio; 55 qemu_irq irq[GPEX_NUM_IRQS]; 56 int irq_num[GPEX_NUM_IRQS]; 57 }; 58 59 int gpex_set_irq_num(GPEXHost *s, int index, int gsi); 60 61 #endif /* HW_GPEX_H */ 62