diff options
| author | Gerd Hoffmann | 2020-12-03 11:54:14 +0100 |
|---|---|---|
| committer | Gerd Hoffmann | 2020-12-10 08:47:44 +0100 |
| commit | 94c5a606379ddd04beecdb11fb34b51b4b28c7f2 (patch) | |
| tree | 8da6e8b5c7b6b24b7fe525643d3dab61cd3e1279 /include/hw/i386 | |
| parent | x86: rewrite gsi_handler() (diff) | |
| download | qemu-94c5a606379ddd04beecdb11fb34b51b4b28c7f2.tar.gz qemu-94c5a606379ddd04beecdb11fb34b51b4b28c7f2.tar.xz qemu-94c5a606379ddd04beecdb11fb34b51b4b28c7f2.zip | |
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 <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-4-kraxel@redhat.com
Diffstat (limited to 'include/hw/i386')
| -rw-r--r-- | include/hw/i386/ioapic.h | 2 | ||||
| -rw-r--r-- | include/hw/i386/ioapic_internal.h | 2 | ||||
| -rw-r--r-- | include/hw/i386/x86.h | 3 |
3 files changed, 6 insertions, 1 deletions
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 |