From 94c5a606379ddd04beecdb11fb34b51b4b28c7f2 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Thu, 3 Dec 2020 11:54:14 +0100 Subject: x86: add support for second ioapic Add ioapic_init_secondary to initialize it, wire up in gsi handling and acpi apic table creation. Signed-off-by: Gerd Hoffmann Reviewed-by: Michael S. Tsirkin Reviewed-by: Igor Mammedov Reviewed-by: Sergio Lopez Message-id: 20201203105423.10431-4-kraxel@redhat.com --- include/hw/i386/ioapic.h | 2 ++ include/hw/i386/ioapic_internal.h | 2 +- include/hw/i386/x86.h | 3 +++ 3 files changed, 6 insertions(+), 1 deletion(-) (limited to 'include/hw') diff --git a/include/hw/i386/ioapic.h b/include/hw/i386/ioapic.h index 06bfaaeac6..ef37b8a9fd 100644 --- a/include/hw/i386/ioapic.h +++ b/include/hw/i386/ioapic.h @@ -22,6 +22,8 @@ #define IOAPIC_NUM_PINS 24 #define IO_APIC_DEFAULT_ADDRESS 0xfec00000 +#define IO_APIC_SECONDARY_ADDRESS (IO_APIC_DEFAULT_ADDRESS + 0x10000) +#define IO_APIC_SECONDARY_IRQBASE 24 /* primary 0 -> 23, secondary 24 -> 47 */ #define TYPE_KVM_IOAPIC "kvm-ioapic" #define TYPE_IOAPIC "ioapic" diff --git a/include/hw/i386/ioapic_internal.h b/include/hw/i386/ioapic_internal.h index 0f9002a2c2..021e715f11 100644 --- a/include/hw/i386/ioapic_internal.h +++ b/include/hw/i386/ioapic_internal.h @@ -27,7 +27,7 @@ #include "qemu/notify.h" #include "qom/object.h" -#define MAX_IOAPICS 1 +#define MAX_IOAPICS 2 #define IOAPIC_LVT_DEST_SHIFT 56 #define IOAPIC_LVT_DEST_IDX_SHIFT 48 diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h index 739fac5087..3f9b052cfc 100644 --- a/include/hw/i386/x86.h +++ b/include/hw/i386/x86.h @@ -50,6 +50,7 @@ struct X86MachineState { ISADevice *rtc; FWCfgState *fw_cfg; qemu_irq *gsi; + DeviceState *ioapic2; GMappedFile *initrd_mapped_file; HotplugHandler *acpi_dev; @@ -120,10 +121,12 @@ bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms); typedef struct GSIState { qemu_irq i8259_irq[ISA_NUM_IRQS]; qemu_irq ioapic_irq[IOAPIC_NUM_PINS]; + qemu_irq ioapic2_irq[IOAPIC_NUM_PINS]; } GSIState; qemu_irq x86_allocate_cpu_irq(void); void gsi_handler(void *opaque, int n, int level); void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); +DeviceState *ioapic_init_secondary(GSIState *gsi_state); #endif -- cgit v1.2.3