| 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/core/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 | struct GPEXRootState { |
| 36 | /*< private >*/ |
| 37 | PCIDevice parent_obj; |
| 38 | /*< public >*/ |
| 39 | }; |
| 40 | |
| 41 | struct GPEXConfig { |
| 42 | MemMapEntry ecam; |
| 43 | MemMapEntry mmio32; |
| 44 | MemMapEntry mmio64; |
| 45 | MemMapEntry pio; |
| 46 | int irq; |
| 47 | PCIBus *bus; |
| 48 | bool pci_native_hotplug; |
| 49 | bool preserve_config; |
| 50 | }; |
| 51 | |
| 52 | typedef struct GPEXIrq GPEXIrq; |
| 53 | struct GPEXHost { |
| 54 | /*< private >*/ |
| 55 | PCIExpressHost parent_obj; |
| 56 | /*< public >*/ |
| 57 | |
| 58 | GPEXRootState gpex_root; |
| 59 | |
| 60 | MemoryRegion io_ioport; |
| 61 | MemoryRegion io_mmio; |
| 62 | MemoryRegion io_ioport_window; |
| 63 | MemoryRegion io_mmio_window; |
| 64 | GPEXIrq *irq; |
| 65 | uint8_t num_irqs; |
| 66 | |
| 67 | bool allow_unmapped_accesses; |
| 68 | |
| 69 | struct GPEXConfig gpex_cfg; |
| 70 | }; |
| 71 | |
| 72 | int gpex_set_irq_num(GPEXHost *s, int index, int gsi); |
| 73 | |
| 74 | void acpi_dsdt_add_gpex(Aml *scope, struct GPEXConfig *cfg); |
| 75 | void acpi_dsdt_add_gpex_host(Aml *scope, uint32_t irq); |
| 76 | |
| 77 | #define PCI_HOST_PIO_BASE "x-pio-base" |
| 78 | #define PCI_HOST_PIO_SIZE "x-pio-size" |
| 79 | #define PCI_HOST_ECAM_BASE "x-ecam-base" |
| 80 | #define PCI_HOST_ECAM_SIZE "x-ecam-size" |
| 81 | #define PCI_HOST_BELOW_4G_MMIO_BASE "x-below-4g-mmio-base" |
| 82 | #define PCI_HOST_BELOW_4G_MMIO_SIZE "x-below-4g-mmio-size" |
| 83 | #define PCI_HOST_ABOVE_4G_MMIO_BASE "x-above-4g-mmio-base" |
| 84 | #define PCI_HOST_ABOVE_4G_MMIO_SIZE "x-above-4g-mmio-size" |
| 85 | |
| 86 | #endif /* HW_GPEX_H */ |