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microvm: add second ioapic

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Create second ioapic, route virtio-mmio IRQs to it,
allow more virtio-mmio devices (24 instead of 8).

Needs ACPI, enabled by default, can be turned off
using -machine ioapic2=off

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: 20201203105423.10431-8-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2020-12-03 11:54:18 +01:00
parent e57e9ae799
commit 4d01b8994c
3 changed files with 57 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

8
tests/qtest/bios-tables-test.c
View file

@ -1124,7 +1124,7 @@ static void test_acpi_microvm_tcg(void)
test_data data;
test_acpi_microvm_prepare(&data);
test_acpi_one(" -machine microvm,acpi=on,rtc=off",
test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,rtc=off",
&data);
free_test_data(&data);
}
@ -1135,7 +1135,7 @@ static void test_acpi_microvm_usb_tcg(void)
test_acpi_microvm_prepare(&data);
data.variant = ".usb";
test_acpi_one(" -machine microvm,acpi=on,usb=on,rtc=off",
test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,usb=on,rtc=off",
&data);
free_test_data(&data);
}
@ -1146,7 +1146,7 @@ static void test_acpi_microvm_rtc_tcg(void)
test_acpi_microvm_prepare(&data);
data.variant = ".rtc";
test_acpi_one(" -machine microvm,acpi=on,rtc=on",
test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,rtc=on",
&data);
free_test_data(&data);
}
@ -1158,7 +1158,7 @@ static void test_acpi_microvm_pcie_tcg(void)
test_acpi_microvm_prepare(&data);
data.variant = ".pcie";
data.tcg_only = true; /* need constant host-phys-bits */
test_acpi_one(" -machine microvm,acpi=on,rtc=off,pcie=on",
test_acpi_one(" -machine microvm,acpi=on,ioapic2=off,rtc=off,pcie=on",
&data);
free_test_data(&data);
}