1 /* 2 * Copyright (c) 2019 Red Hat, Inc. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms and conditions of the GNU General Public License, 6 * version 2 or later, as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope it will be useful, but WITHOUT 9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11 * more details. 12 * 13 * You should have received a copy of the GNU General Public License along with 14 * this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 17 #ifndef HW_I386_X86_H 18 #define HW_I386_X86_H 19 20 #include "qemu-common.h" 21 #include "exec/hwaddr.h" 22 #include "qemu/notify.h" 23 24 #include "hw/i386/topology.h" 25 #include "hw/boards.h" 26 #include "hw/nmi.h" 27 #include "hw/isa/isa.h" 28 #include "hw/i386/ioapic.h" 29 #include "qom/object.h" 30 31 struct X86MachineClass { 32 /*< private >*/ 33 MachineClass parent; 34 35 /*< public >*/ 36 37 /* TSC rate migration: */ 38 bool save_tsc_khz; 39 /* Enables contiguous-apic-ID mode */ 40 bool compat_apic_id_mode; 41 }; 42 43 struct X86MachineState { 44 /*< private >*/ 45 MachineState parent; 46 47 /*< public >*/ 48 49 /* Pointers to devices and objects: */ 50 ISADevice *rtc; 51 FWCfgState *fw_cfg; 52 qemu_irq *gsi; 53 DeviceState *ioapic2; 54 GMappedFile *initrd_mapped_file; 55 HotplugHandler *acpi_dev; 56 57 /* RAM information (sizes, addresses, configuration): */ 58 ram_addr_t below_4g_mem_size, above_4g_mem_size; 59 60 /* CPU and apic information: */ 61 bool apic_xrupt_override; 62 unsigned pci_irq_mask; 63 unsigned apic_id_limit; 64 uint16_t boot_cpus; 65 unsigned smp_dies; 66 67 OnOffAuto smm; 68 OnOffAuto acpi; 69 70 /* 71 * Address space used by IOAPIC device. All IOAPIC interrupts 72 * will be translated to MSI messages in the address space. 73 */ 74 AddressSpace *ioapic_as; 75 }; 76 77 #define X86_MACHINE_SMM "smm" 78 #define X86_MACHINE_ACPI "acpi" 79 80 #define TYPE_X86_MACHINE MACHINE_TYPE_NAME("x86") 81 OBJECT_DECLARE_TYPE(X86MachineState, X86MachineClass, X86_MACHINE) 82 83 void init_topo_info(X86CPUTopoInfo *topo_info, const X86MachineState *x86ms); 84 85 uint32_t x86_cpu_apic_id_from_index(X86MachineState *pcms, 86 unsigned int cpu_index); 87 88 void x86_cpu_new(X86MachineState *pcms, int64_t apic_id, Error **errp); 89 void x86_cpus_init(X86MachineState *pcms, int default_cpu_version); 90 CpuInstanceProperties x86_cpu_index_to_props(MachineState *ms, 91 unsigned cpu_index); 92 int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx); 93 const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms); 94 CPUArchId *x86_find_cpu_slot(MachineState *ms, uint32_t id, int *idx); 95 void x86_rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count); 96 void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, 97 DeviceState *dev, Error **errp); 98 void x86_cpu_plug(HotplugHandler *hotplug_dev, 99 DeviceState *dev, Error **errp); 100 void x86_cpu_unplug_request_cb(HotplugHandler *hotplug_dev, 101 DeviceState *dev, Error **errp); 102 void x86_cpu_unplug_cb(HotplugHandler *hotplug_dev, 103 DeviceState *dev, Error **errp); 104 105 void x86_bios_rom_init(MachineState *ms, const char *default_firmware, 106 MemoryRegion *rom_memory, bool isapc_ram_fw); 107 108 void x86_load_linux(X86MachineState *x86ms, 109 FWCfgState *fw_cfg, 110 int acpi_data_size, 111 bool pvh_enabled, 112 bool linuxboot_dma_enabled); 113 114 bool x86_machine_is_smm_enabled(const X86MachineState *x86ms); 115 bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms); 116 117 /* Global System Interrupts */ 118 119 #define GSI_NUM_PINS IOAPIC_NUM_PINS 120 #define ACPI_BUILD_PCI_IRQS ((1<<5) | (1<<9) | (1<<10) | (1<<11)) 121 122 typedef struct GSIState { 123 qemu_irq i8259_irq[ISA_NUM_IRQS]; 124 qemu_irq ioapic_irq[IOAPIC_NUM_PINS]; 125 qemu_irq ioapic2_irq[IOAPIC_NUM_PINS]; 126 } GSIState; 127 128 qemu_irq x86_allocate_cpu_irq(void); 129 void gsi_handler(void *opaque, int n, int level); 130 void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); 131 DeviceState *ioapic_init_secondary(GSIState *gsi_state); 132 133 #endif 134