0cca1a918b
The cpu hotplug code handles the initialization of coldplugged cpus too, so it is needed even in case cpu hotplug is not supported. Move the code from pc to x86, so microvm can use it. Move both plug and unplug to keep everything in one place, even though microvm needs plug only. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Sergio Lopez <slp@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Message-id: 20200915120909.20838-16-kraxel@redhat.com
134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/*
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* Copyright (c) 2019 Red Hat, Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2 or later, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef HW_I386_X86_H
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#define HW_I386_X86_H
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#include "qemu-common.h"
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#include "exec/hwaddr.h"
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#include "qemu/notify.h"
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#include "hw/i386/topology.h"
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#include "hw/boards.h"
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#include "hw/nmi.h"
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#include "hw/isa/isa.h"
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#include "hw/i386/ioapic.h"
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#include "qom/object.h"
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struct X86MachineClass {
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/*< private >*/
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MachineClass parent;
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/*< public >*/
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/* TSC rate migration: */
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bool save_tsc_khz;
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/* Enables contiguous-apic-ID mode */
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bool compat_apic_id_mode;
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};
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typedef struct X86MachineClass X86MachineClass;
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struct X86MachineState {
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/*< private >*/
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MachineState parent;
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/*< public >*/
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/* Pointers to devices and objects: */
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ISADevice *rtc;
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FWCfgState *fw_cfg;
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qemu_irq *gsi;
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GMappedFile *initrd_mapped_file;
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HotplugHandler *acpi_dev;
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/* RAM information (sizes, addresses, configuration): */
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ram_addr_t below_4g_mem_size, above_4g_mem_size;
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/* CPU and apic information: */
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bool apic_xrupt_override;
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unsigned apic_id_limit;
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uint16_t boot_cpus;
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unsigned smp_dies;
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OnOffAuto smm;
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OnOffAuto acpi;
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/*
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* Address space used by IOAPIC device. All IOAPIC interrupts
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* will be translated to MSI messages in the address space.
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*/
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AddressSpace *ioapic_as;
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};
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typedef struct X86MachineState X86MachineState;
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#define X86_MACHINE_SMM "smm"
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#define X86_MACHINE_ACPI "acpi"
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#define TYPE_X86_MACHINE MACHINE_TYPE_NAME("x86")
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DECLARE_OBJ_CHECKERS(X86MachineState, X86MachineClass,
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X86_MACHINE, TYPE_X86_MACHINE)
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void init_topo_info(X86CPUTopoInfo *topo_info, const X86MachineState *x86ms);
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uint32_t x86_cpu_apic_id_from_index(X86MachineState *pcms,
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unsigned int cpu_index);
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void x86_cpu_new(X86MachineState *pcms, int64_t apic_id, Error **errp);
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void x86_cpus_init(X86MachineState *pcms, int default_cpu_version);
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CpuInstanceProperties x86_cpu_index_to_props(MachineState *ms,
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unsigned cpu_index);
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int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx);
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const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms);
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CPUArchId *x86_find_cpu_slot(MachineState *ms, uint32_t id, int *idx);
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void x86_rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count);
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void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp);
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void x86_cpu_plug(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp);
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void x86_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp);
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void x86_cpu_unplug_cb(HotplugHandler *hotplug_dev,
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DeviceState *dev, Error **errp);
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void x86_bios_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw);
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void x86_load_linux(X86MachineState *x86ms,
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FWCfgState *fw_cfg,
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int acpi_data_size,
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bool pvh_enabled,
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bool linuxboot_dma_enabled);
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bool x86_machine_is_smm_enabled(const X86MachineState *x86ms);
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bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);
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/* Global System Interrupts */
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#define GSI_NUM_PINS IOAPIC_NUM_PINS
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typedef struct GSIState {
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qemu_irq i8259_irq[ISA_NUM_IRQS];
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qemu_irq ioapic_irq[IOAPIC_NUM_PINS];
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} GSIState;
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qemu_irq x86_allocate_cpu_irq(void);
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void gsi_handler(void *opaque, int n, int level);
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void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
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/* hpet.c */
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extern int no_hpet;
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#endif
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