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 "exec/hwaddr.h" 24 #include "hw/sysbus.h" 25 #include "hw/pci/pci_device.h" 26 #include "hw/pci/pcie_host.h" 27 #include "qom/object.h" 28 29 #define TYPE_GPEX_HOST "gpex-pcihost" 30 OBJECT_DECLARE_SIMPLE_TYPE(GPEXHost, GPEX_HOST) 31 32 #define TYPE_GPEX_ROOT_DEVICE "gpex-root" 33 OBJECT_DECLARE_SIMPLE_TYPE(GPEXRootState, GPEX_ROOT_DEVICE) 34 35 #define GPEX_NUM_IRQS 4 36 37 struct GPEXRootState { 38 /*< private >*/ 39 PCIDevice parent_obj; 40 /*< public >*/ 41 }; 42 43 struct GPEXConfig { 44 MemMapEntry ecam; 45 MemMapEntry mmio32; 46 MemMapEntry mmio64; 47 MemMapEntry pio; 48 int irq; 49 PCIBus *bus; 50 }; 51 52 struct GPEXHost { 53 /*< private >*/ 54 PCIExpressHost parent_obj; 55 /*< public >*/ 56 57 GPEXRootState gpex_root; 58 59 MemoryRegion io_ioport; 60 MemoryRegion io_mmio; 61 MemoryRegion io_ioport_window; 62 MemoryRegion io_mmio_window; 63 qemu_irq irq[GPEX_NUM_IRQS]; 64 int irq_num[GPEX_NUM_IRQS]; 65 66 bool allow_unmapped_accesses; 67 68 struct GPEXConfig gpex_cfg; 69 }; 70 71 int gpex_set_irq_num(GPEXHost *s, int index, int gsi); 72 73 void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg); 74 void acpi_dsdt_add_gpex_host(Aml *scope, uint32_t irq); 75 76 #define PCI_HOST_PIO_BASE "x-pio-base" 77 #define PCI_HOST_PIO_SIZE "x-pio-size" 78 #define PCI_HOST_ECAM_BASE "x-ecam-base" 79 #define PCI_HOST_ECAM_SIZE "x-ecam-size" 80 #define PCI_HOST_BELOW_4G_MMIO_BASE "x-below-4g-mmio-base" 81 #define PCI_HOST_BELOW_4G_MMIO_SIZE "x-below-4g-mmio-size" 82 #define PCI_HOST_ABOVE_4G_MMIO_BASE "x-above-4g-mmio-base" 83 #define PCI_HOST_ABOVE_4G_MMIO_SIZE "x-above-4g-mmio-size" 84 85 #endif /* HW_GPEX_H */ 86