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microvm: make number of virtio transports runtime changeable

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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
This commit is contained in:
Gerd Hoffmann 2020-12-03 11:54:15 +01:00
parent 94c5a60637
commit c214a7bcb6
2 changed files with 8 additions and 3 deletions
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2
include/hw/i386/microvm.h
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@ -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;