diff options
| author | Gerd Hoffmann | 2020-12-03 11:54:15 +0100 |
|---|---|---|
| committer | Gerd Hoffmann | 2020-12-10 08:47:44 +0100 |
| commit | c214a7bcb6320c37777a662f38aea2a7c6919148 (patch) | |
| tree | ecae511fc67fb40e10fc45670796ff3b867ad0b1 /hw/i386 | |
| parent | x86: add support for second ioapic (diff) | |
| download | qemu-c214a7bcb6320c37777a662f38aea2a7c6919148.tar.gz qemu-c214a7bcb6320c37777a662f38aea2a7c6919148.tar.xz qemu-c214a7bcb6320c37777a662f38aea2a7c6919148.zip | |
microvm: make number of virtio transports runtime changeable
This will allow to increase the number of transports in
case we have enough irq lines available for them all.
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: 20201203105423.10431-5-kraxel@redhat.com
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/microvm.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 5428448b70..e92f236bf4 100644 --- a/hw/i386/microvm.c +++ b/hw/i386/microvm.c @@ -178,8 +178,13 @@ static void microvm_devices_init(MicrovmMachineState *mms) kvmclock_create(true); - mms->virtio_irq_base = x86_machine_is_acpi_enabled(x86ms) ? 16 : 5; - for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) { + mms->virtio_irq_base = 5; + mms->virtio_num_transports = 8; + if (x86_machine_is_acpi_enabled(x86ms)) { + mms->virtio_irq_base = 16; + } + + for (i = 0; i < mms->virtio_num_transports; i++) { sysbus_create_simple("virtio-mmio", VIRTIO_MMIO_BASE + i * 512, x86ms->gsi[mms->virtio_irq_base + i]); |