1afe0b380SShannon Zhao /* 2afe0b380SShannon Zhao * 3afe0b380SShannon Zhao * Copyright (c) 2015 Linaro Limited 4afe0b380SShannon Zhao * 5afe0b380SShannon Zhao * This program is free software; you can redistribute it and/or modify it 6afe0b380SShannon Zhao * under the terms and conditions of the GNU General Public License, 7afe0b380SShannon Zhao * version 2 or later, as published by the Free Software Foundation. 8afe0b380SShannon Zhao * 9afe0b380SShannon Zhao * This program is distributed in the hope it will be useful, but WITHOUT 10afe0b380SShannon Zhao * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11afe0b380SShannon Zhao * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12afe0b380SShannon Zhao * more details. 13afe0b380SShannon Zhao * 14afe0b380SShannon Zhao * You should have received a copy of the GNU General Public License along with 15afe0b380SShannon Zhao * this program. If not, see <http://www.gnu.org/licenses/>. 16afe0b380SShannon Zhao * 17afe0b380SShannon Zhao * Emulate a virtual board which works by passing Linux all the information 18afe0b380SShannon Zhao * it needs about what devices are present via the device tree. 19afe0b380SShannon Zhao * There are some restrictions about what we can do here: 20afe0b380SShannon Zhao * + we can only present devices whose Linux drivers will work based 21afe0b380SShannon Zhao * purely on the device tree with no platform data at all 22afe0b380SShannon Zhao * + we want to present a very stripped-down minimalist platform, 23afe0b380SShannon Zhao * both because this reduces the security attack surface from the guest 24afe0b380SShannon Zhao * and also because it reduces our exposure to being broken when 25afe0b380SShannon Zhao * the kernel updates its device tree bindings and requires further 26afe0b380SShannon Zhao * information in a device binding that we aren't providing. 27afe0b380SShannon Zhao * This is essentially the same approach kvmtool uses. 28afe0b380SShannon Zhao */ 29afe0b380SShannon Zhao 30afe0b380SShannon Zhao #ifndef QEMU_ARM_VIRT_H 31afe0b380SShannon Zhao #define QEMU_ARM_VIRT_H 32afe0b380SShannon Zhao 33afe0b380SShannon Zhao #include "qemu-common.h" 3433c11879SPaolo Bonzini #include "exec/hwaddr.h" 35d05fdab4SAndrew Jones #include "qemu/notify.h" 36a72d4363SAndrew Jones #include "hw/boards.h" 37a72d4363SAndrew Jones #include "hw/arm/arm.h" 38afe0b380SShannon Zhao 39bd204e63SChristoffer Dall #define NUM_GICV2M_SPIS 64 40afe0b380SShannon Zhao #define NUM_VIRTIO_TRANSPORTS 32 41afe0b380SShannon Zhao 425454006aSPeter Maydell #define ARCH_GICV3_MAINT_IRQ 9 435454006aSPeter Maydell 44ee246400SShannon Zhao #define ARCH_TIMER_VIRT_IRQ 11 45ee246400SShannon Zhao #define ARCH_TIMER_S_EL1_IRQ 13 46ee246400SShannon Zhao #define ARCH_TIMER_NS_EL1_IRQ 14 47ee246400SShannon Zhao #define ARCH_TIMER_NS_EL2_IRQ 10 48ee246400SShannon Zhao 4901fe6b60SShannon Zhao #define VIRTUAL_PMU_IRQ 7 5001fe6b60SShannon Zhao 5101fe6b60SShannon Zhao #define PPI(irq) ((irq) + 16) 5201fe6b60SShannon Zhao 53afe0b380SShannon Zhao enum { 54afe0b380SShannon Zhao VIRT_FLASH, 55afe0b380SShannon Zhao VIRT_MEM, 56afe0b380SShannon Zhao VIRT_CPUPERIPHS, 57afe0b380SShannon Zhao VIRT_GIC_DIST, 58afe0b380SShannon Zhao VIRT_GIC_CPU, 59b92ad394SPavel Fedin VIRT_GIC_V2M, 60b92ad394SPavel Fedin VIRT_GIC_ITS, 61b92ad394SPavel Fedin VIRT_GIC_REDIST, 62afe0b380SShannon Zhao VIRT_UART, 63afe0b380SShannon Zhao VIRT_MMIO, 64afe0b380SShannon Zhao VIRT_RTC, 65afe0b380SShannon Zhao VIRT_FW_CFG, 66afe0b380SShannon Zhao VIRT_PCIE, 676a1f001bSShannon Zhao VIRT_PCIE_MMIO, 686a1f001bSShannon Zhao VIRT_PCIE_PIO, 696a1f001bSShannon Zhao VIRT_PCIE_ECAM, 705f7a5a0eSEric Auger VIRT_PLATFORM_BUS, 715125f9cdSPavel Fedin VIRT_PCIE_MMIO_HIGH, 72b0a3721eSShannon Zhao VIRT_GPIO, 733df708ebSPeter Maydell VIRT_SECURE_UART, 7483ec1923SPeter Maydell VIRT_SECURE_MEM, 75afe0b380SShannon Zhao }; 76afe0b380SShannon Zhao 77afe0b380SShannon Zhao typedef struct MemMapEntry { 78afe0b380SShannon Zhao hwaddr base; 79afe0b380SShannon Zhao hwaddr size; 80afe0b380SShannon Zhao } MemMapEntry; 81afe0b380SShannon Zhao 82a72d4363SAndrew Jones typedef struct { 83a72d4363SAndrew Jones MachineClass parent; 84a72d4363SAndrew Jones bool disallow_affinity_adjustment; 85a72d4363SAndrew Jones bool no_its; 86a72d4363SAndrew Jones bool no_pmu; 87a72d4363SAndrew Jones bool claim_edge_triggered_timers; 88a72d4363SAndrew Jones } VirtMachineClass; 89a72d4363SAndrew Jones 90a72d4363SAndrew Jones typedef struct { 91a72d4363SAndrew Jones MachineState parent; 92a72d4363SAndrew Jones Notifier machine_done; 93af1f60a4SAndrew Jones FWCfgState *fw_cfg; 94a72d4363SAndrew Jones bool secure; 95a72d4363SAndrew Jones bool highmem; 96*ccc11b02SEric Auger bool its; 97f29cacfbSPeter Maydell bool virt; 98a72d4363SAndrew Jones int32_t gic_version; 99a72d4363SAndrew Jones struct arm_boot_info bootinfo; 100a72d4363SAndrew Jones const MemMapEntry *memmap; 101a72d4363SAndrew Jones const int *irqmap; 102a72d4363SAndrew Jones int smp_cpus; 103a72d4363SAndrew Jones void *fdt; 104a72d4363SAndrew Jones int fdt_size; 105a72d4363SAndrew Jones uint32_t clock_phandle; 106a72d4363SAndrew Jones uint32_t gic_phandle; 107a72d4363SAndrew Jones uint32_t msi_phandle; 1082013c566SPeter Maydell int psci_conduit; 109a72d4363SAndrew Jones } VirtMachineState; 110a72d4363SAndrew Jones 111a72d4363SAndrew Jones #define TYPE_VIRT_MACHINE MACHINE_TYPE_NAME("virt") 112a72d4363SAndrew Jones #define VIRT_MACHINE(obj) \ 113a72d4363SAndrew Jones OBJECT_CHECK(VirtMachineState, (obj), TYPE_VIRT_MACHINE) 114a72d4363SAndrew Jones #define VIRT_MACHINE_GET_CLASS(obj) \ 115a72d4363SAndrew Jones OBJECT_GET_CLASS(VirtMachineClass, obj, TYPE_VIRT_MACHINE) 116a72d4363SAndrew Jones #define VIRT_MACHINE_CLASS(klass) \ 117a72d4363SAndrew Jones OBJECT_CLASS_CHECK(VirtMachineClass, klass, TYPE_VIRT_MACHINE) 118a72d4363SAndrew Jones 119e9a8e474SAndrew Jones void virt_acpi_setup(VirtMachineState *vms); 120d05fdab4SAndrew Jones 121d05fdab4SAndrew Jones #endif /* QEMU_ARM_VIRT_H */ 122