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 3333c11879SPaolo Bonzini #include "exec/hwaddr.h" 34d05fdab4SAndrew Jones #include "qemu/notify.h" 35a72d4363SAndrew Jones #include "hw/boards.h" 3612ec8bd5SPeter Maydell #include "hw/arm/boot.h" 37e0561e60SMarkus Armbruster #include "hw/block/flash.h" 38f90747c4SEric Auger #include "sysemu/kvm.h" 39f90747c4SEric Auger #include "hw/intc/arm_gicv3_common.h" 40db1015e9SEduardo Habkost #include "qom/object.h" 41afe0b380SShannon Zhao 42bd204e63SChristoffer Dall #define NUM_GICV2M_SPIS 64 43afe0b380SShannon Zhao #define NUM_VIRTIO_TRANSPORTS 32 44584105eaSPrem Mallappa #define NUM_SMMU_IRQS 4 45afe0b380SShannon Zhao 4655ef3233SLuc Michel #define ARCH_GIC_MAINT_IRQ 9 475454006aSPeter Maydell 48ee246400SShannon Zhao #define ARCH_TIMER_VIRT_IRQ 11 49ee246400SShannon Zhao #define ARCH_TIMER_S_EL1_IRQ 13 50ee246400SShannon Zhao #define ARCH_TIMER_NS_EL1_IRQ 14 51ee246400SShannon Zhao #define ARCH_TIMER_NS_EL2_IRQ 10 52ee246400SShannon Zhao 5301fe6b60SShannon Zhao #define VIRTUAL_PMU_IRQ 7 5401fe6b60SShannon Zhao 5501fe6b60SShannon Zhao #define PPI(irq) ((irq) + 16) 5601fe6b60SShannon Zhao 57afe0b380SShannon Zhao enum { 58afe0b380SShannon Zhao VIRT_FLASH, 59afe0b380SShannon Zhao VIRT_MEM, 60afe0b380SShannon Zhao VIRT_CPUPERIPHS, 61afe0b380SShannon Zhao VIRT_GIC_DIST, 62afe0b380SShannon Zhao VIRT_GIC_CPU, 63b92ad394SPavel Fedin VIRT_GIC_V2M, 6455ef3233SLuc Michel VIRT_GIC_HYP, 6555ef3233SLuc Michel VIRT_GIC_VCPU, 66b92ad394SPavel Fedin VIRT_GIC_ITS, 67b92ad394SPavel Fedin VIRT_GIC_REDIST, 68584105eaSPrem Mallappa VIRT_SMMU, 69afe0b380SShannon Zhao VIRT_UART, 70afe0b380SShannon Zhao VIRT_MMIO, 71afe0b380SShannon Zhao VIRT_RTC, 72afe0b380SShannon Zhao VIRT_FW_CFG, 73afe0b380SShannon Zhao VIRT_PCIE, 746a1f001bSShannon Zhao VIRT_PCIE_MMIO, 756a1f001bSShannon Zhao VIRT_PCIE_PIO, 766a1f001bSShannon Zhao VIRT_PCIE_ECAM, 775f7a5a0eSEric Auger VIRT_PLATFORM_BUS, 78b0a3721eSShannon Zhao VIRT_GPIO, 793df708ebSPeter Maydell VIRT_SECURE_UART, 8083ec1923SPeter Maydell VIRT_SECURE_MEM, 81cff51ac9SShameer Kolothum VIRT_PCDIMM_ACPI, 82cff51ac9SShameer Kolothum VIRT_ACPI_GED, 83b5a60beeSKwangwoo Lee VIRT_NVDIMM_ACPI, 84350a9c9eSEric Auger VIRT_LOWMEMMAP_LAST, 85350a9c9eSEric Auger }; 86350a9c9eSEric Auger 87350a9c9eSEric Auger /* indices of IO regions located after the RAM */ 88350a9c9eSEric Auger enum { 89350a9c9eSEric Auger VIRT_HIGH_GIC_REDIST2 = VIRT_LOWMEMMAP_LAST, 90350a9c9eSEric Auger VIRT_HIGH_PCIE_ECAM, 91350a9c9eSEric Auger VIRT_HIGH_PCIE_MMIO, 92afe0b380SShannon Zhao }; 93afe0b380SShannon Zhao 94584105eaSPrem Mallappa typedef enum VirtIOMMUType { 95584105eaSPrem Mallappa VIRT_IOMMU_NONE, 96584105eaSPrem Mallappa VIRT_IOMMU_SMMUV3, 97584105eaSPrem Mallappa VIRT_IOMMU_VIRTIO, 98584105eaSPrem Mallappa } VirtIOMMUType; 99584105eaSPrem Mallappa 1001b6f99d8SEric Auger typedef enum VirtMSIControllerType { 1011b6f99d8SEric Auger VIRT_MSI_CTRL_NONE, 1021b6f99d8SEric Auger VIRT_MSI_CTRL_GICV2M, 1031b6f99d8SEric Auger VIRT_MSI_CTRL_ITS, 1041b6f99d8SEric Auger } VirtMSIControllerType; 1051b6f99d8SEric Auger 106d04460e5SEric Auger typedef enum VirtGICType { 107d04460e5SEric Auger VIRT_GIC_VERSION_MAX, 108d04460e5SEric Auger VIRT_GIC_VERSION_HOST, 109d04460e5SEric Auger VIRT_GIC_VERSION_2, 110d04460e5SEric Auger VIRT_GIC_VERSION_3, 11136bf4ec8SEric Auger VIRT_GIC_VERSION_NOSEL, 112d04460e5SEric Auger } VirtGICType; 113d04460e5SEric Auger 114afe0b380SShannon Zhao typedef struct MemMapEntry { 115afe0b380SShannon Zhao hwaddr base; 116afe0b380SShannon Zhao hwaddr size; 117afe0b380SShannon Zhao } MemMapEntry; 118afe0b380SShannon Zhao 119db1015e9SEduardo Habkost struct VirtMachineClass { 120a72d4363SAndrew Jones MachineClass parent; 121a72d4363SAndrew Jones bool disallow_affinity_adjustment; 122a72d4363SAndrew Jones bool no_its; 123a72d4363SAndrew Jones bool no_pmu; 124a72d4363SAndrew Jones bool claim_edge_triggered_timers; 125dfadc3bfSWei Huang bool smbios_old_sys_ver; 12617ec075aSEric Auger bool no_highmem_ecam; 127cff51ac9SShameer Kolothum bool no_ged; /* Machines < 4.2 has no support for ACPI GED device */ 128dea101a1SAndrew Jones bool kvm_no_adjvtime; 1292c1fb4d5SAndrew Jones bool acpi_expose_flash; 130db1015e9SEduardo Habkost }; 131a72d4363SAndrew Jones 132db1015e9SEduardo Habkost struct VirtMachineState { 133a72d4363SAndrew Jones MachineState parent; 134a72d4363SAndrew Jones Notifier machine_done; 135a3fc8396SIgor Mammedov DeviceState *platform_bus_dev; 136af1f60a4SAndrew Jones FWCfgState *fw_cfg; 137e0561e60SMarkus Armbruster PFlashCFI01 *flash[2]; 138a72d4363SAndrew Jones bool secure; 139a72d4363SAndrew Jones bool highmem; 140601d626dSEric Auger bool highmem_ecam; 141ccc11b02SEric Auger bool its; 142f29cacfbSPeter Maydell bool virt; 1432afa8c85SDongjiu Geng bool ras; 1446f4e1405SRichard Henderson bool mte; 14517e89077SGerd Hoffmann OnOffAuto acpi; 146d04460e5SEric Auger VirtGICType gic_version; 147584105eaSPrem Mallappa VirtIOMMUType iommu; 1481b6f99d8SEric Auger VirtMSIControllerType msi_controller; 14970e89132SEric Auger uint16_t virtio_iommu_bdf; 150a72d4363SAndrew Jones struct arm_boot_info bootinfo; 151350a9c9eSEric Auger MemMapEntry *memmap; 15270e89132SEric Auger char *pciehb_nodename; 153a72d4363SAndrew Jones const int *irqmap; 154a72d4363SAndrew Jones int smp_cpus; 155a72d4363SAndrew Jones void *fdt; 156a72d4363SAndrew Jones int fdt_size; 157a72d4363SAndrew Jones uint32_t clock_phandle; 158a72d4363SAndrew Jones uint32_t gic_phandle; 159a72d4363SAndrew Jones uint32_t msi_phandle; 160584105eaSPrem Mallappa uint32_t iommu_phandle; 1612013c566SPeter Maydell int psci_conduit; 162957e32cfSEric Auger hwaddr highest_gpa; 163b8b69f4cSPhilippe Mathieu-Daudé DeviceState *gic; 164cff51ac9SShameer Kolothum DeviceState *acpi_dev; 165c345680cSShameer Kolothum Notifier powerdown_notifier; 166db1015e9SEduardo Habkost }; 167a72d4363SAndrew Jones 168bf424a12SEric Auger #define VIRT_ECAM_ID(high) (high ? VIRT_HIGH_PCIE_ECAM : VIRT_PCIE_ECAM) 169601d626dSEric Auger 170a72d4363SAndrew Jones #define TYPE_VIRT_MACHINE MACHINE_TYPE_NAME("virt") 171*a489d195SEduardo Habkost OBJECT_DECLARE_TYPE(VirtMachineState, VirtMachineClass, VIRT_MACHINE) 172a72d4363SAndrew Jones 173e9a8e474SAndrew Jones void virt_acpi_setup(VirtMachineState *vms); 17417e89077SGerd Hoffmann bool virt_is_acpi_enabled(VirtMachineState *vms); 175d05fdab4SAndrew Jones 176f90747c4SEric Auger /* Return the number of used redistributor regions */ 177f90747c4SEric Auger static inline int virt_gicv3_redist_region_count(VirtMachineState *vms) 178f90747c4SEric Auger { 179f90747c4SEric Auger uint32_t redist0_capacity = 180f90747c4SEric Auger vms->memmap[VIRT_GIC_REDIST].size / GICV3_REDIST_SIZE; 181f90747c4SEric Auger 182d04460e5SEric Auger assert(vms->gic_version == VIRT_GIC_VERSION_3); 183f90747c4SEric Auger 184f90747c4SEric Auger return vms->smp_cpus > redist0_capacity ? 2 : 1; 185f90747c4SEric Auger } 186f90747c4SEric Auger 187d05fdab4SAndrew Jones #endif /* QEMU_ARM_VIRT_H */ 188