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| author | Gerd Hoffmann | 2020-09-15 14:08:58 +0200 |
|---|---|---|
| committer | Gerd Hoffmann | 2020-09-17 14:16:19 +0200 |
| commit | 55c4b069973196b1d9089162e31f5bd7d9f17630 (patch) | |
| tree | ae92aba74414dfd66c3a3377753271944d80e212 /hw/i386 | |
| parent | microvm/acpi: add acpi_dsdt_add_virtio() for x86 (diff) | |
| download | qemu-55c4b069973196b1d9089162e31f5bd7d9f17630.tar.gz qemu-55c4b069973196b1d9089162e31f5bd7d9f17630.tar.xz qemu-55c4b069973196b1d9089162e31f5bd7d9f17630.zip | |
microvm/acpi: use GSI 16-23 for virtio
With ACPI enabled and IO-APIC being properly declared in the ACPI tables
we can use interrupt lines 16-23 for virtio and avoid shared interrupts.
With acpi disabled we continue to use lines 5-12.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 20200915120909.20838-11-kraxel@redhat.com
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/microvm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index e1b86da8a9..ca0c9983f1 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -125,7 +125,7 @@ static void microvm_devices_init(MicrovmMachineState *mms) kvmclock_create(); - mms->virtio_irq_base = 5; + mms->virtio_irq_base = x86_machine_is_acpi_enabled(x86ms) ? 16 : 5; for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) { sysbus_create_simple("virtio-mmio", VIRTIO_MMIO_BASE + i * 512, |