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 <kra...@redhat.com> --- include/hw/i386/microvm.h | 2 +- hw/i386/microvm.c | 9 +++++++-- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h index 0fc216007777..c5d60bacb5e8 100644 --- a/include/hw/i386/microvm.h +++ b/include/hw/i386/microvm.h @@ -52,7 +52,6 @@ /* Platform virtio definitions */ #define VIRTIO_MMIO_BASE 0xfeb00000 -#define VIRTIO_NUM_TRANSPORTS 8 #define VIRTIO_CMDLINE_MAXLEN 64 #define GED_MMIO_BASE 0xfea00000 @@ -98,6 +97,7 @@ struct MicrovmMachineState { /* Machine state */ uint32_t virtio_irq_base; + uint32_t virtio_num_transports; bool kernel_cmdline_fixed; Notifier machine_done; Notifier powerdown_req; diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c index 5428448b7059..e92f236bf442 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]); -- 2.27.0