| 1 | /* |
| 2 | * QEMU Xen PVH machine - common code. |
| 3 | * |
| 4 | * Copyright (c) 2024 Advanced Micro Devices, Inc. |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | |
| 9 | #ifndef XEN_PVH_COMMON_H__ |
| 10 | #define XEN_PVH_COMMON_H__ |
| 11 | |
| 12 | #include "system/memory.h" |
| 13 | #include "qom/object.h" |
| 14 | #include "hw/core/boards.h" |
| 15 | #include "hw/pci-host/gpex.h" |
| 16 | #include "hw/xen/xen-hvm-common.h" |
| 17 | |
| 18 | #define TYPE_XEN_PVH_MACHINE MACHINE_TYPE_NAME("xen-pvh-base") |
| 19 | OBJECT_DECLARE_TYPE(XenPVHMachineState, XenPVHMachineClass, |
| 20 | XEN_PVH_MACHINE) |
| 21 | |
| 22 | struct XenPVHMachineClass { |
| 23 | MachineClass parent; |
| 24 | |
| 25 | /* PVH implementation specific init. */ |
| 26 | void (*init)(MachineState *state); |
| 27 | |
| 28 | /* |
| 29 | * set_pci_intx_irq - Deliver INTX irqs to the guest. |
| 30 | * |
| 31 | * @opaque: pointer to XenPVHMachineState. |
| 32 | * @irq: IRQ after swizzling, between 0-3. |
| 33 | * @level: IRQ level. |
| 34 | */ |
| 35 | void (*set_pci_intx_irq)(void *opaque, int irq, int level); |
| 36 | |
| 37 | /* |
| 38 | * set_pci_link_route: - optional implementation call to setup |
| 39 | * routing between INTX IRQ (0 - 3) and GSI's. |
| 40 | * |
| 41 | * @line: line the INTx line (0 => A .. 3 => B) |
| 42 | * @irq: GSI |
| 43 | */ |
| 44 | int (*set_pci_link_route)(uint8_t line, uint8_t irq); |
| 45 | |
| 46 | /* Allow implementations to optionally enable buffered ioreqs. */ |
| 47 | uint8_t handle_bufioreq; |
| 48 | |
| 49 | /* |
| 50 | * Each implementation can optionally enable features that it |
| 51 | * supports and are known to work. |
| 52 | */ |
| 53 | bool has_pci; |
| 54 | bool has_tpm; |
| 55 | bool has_virtio_mmio; |
| 56 | }; |
| 57 | |
| 58 | struct XenPVHMachineState { |
| 59 | /*< private >*/ |
| 60 | MachineState parent; |
| 61 | |
| 62 | XenIOState ioreq; |
| 63 | |
| 64 | struct { |
| 65 | MemoryRegion low; |
| 66 | MemoryRegion high; |
| 67 | } ram; |
| 68 | |
| 69 | struct { |
| 70 | GPEXHost gpex; |
| 71 | MemoryRegion mmio_alias; |
| 72 | MemoryRegion mmio_high_alias; |
| 73 | } pci; |
| 74 | |
| 75 | struct { |
| 76 | MemMapEntry ram_low, ram_high; |
| 77 | MemMapEntry tpm; |
| 78 | |
| 79 | /* Virtio-mmio */ |
| 80 | MemMapEntry virtio_mmio; |
| 81 | uint32_t virtio_mmio_num; |
| 82 | uint32_t virtio_mmio_irq_base; |
| 83 | |
| 84 | /* PCI */ |
| 85 | MemMapEntry pci_ecam, pci_mmio, pci_mmio_high; |
| 86 | uint32_t pci_intx_irq_base; |
| 87 | |
| 88 | bool mapcache; |
| 89 | } cfg; |
| 90 | }; |
| 91 | |
| 92 | void xen_pvh_class_setup_common_props(XenPVHMachineClass *xpc); |
| 93 | #endif |