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[PATCH 13/13] microvm/acpi: use GSI 16-23 for virtio
From: |
Gerd Hoffmann |
Subject: |
[PATCH 13/13] microvm/acpi: use GSI 16-23 for virtio |
Date: |
Thu, 19 Mar 2020 09:01:17 +0100 |
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 8-15.
Signed-off-by: Gerd Hoffmann <address@hidden>
---
hw/i386/microvm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/i386/microvm.c b/hw/i386/microvm.c
index 834b10aee0a2..139181daed06 100644
--- a/hw/i386/microvm.c
+++ b/hw/i386/microvm.c
@@ -122,7 +122,7 @@ static void microvm_devices_init(MicrovmMachineState *mms)
kvmclock_create();
- mms->virtio_irq_base = 8;
+ mms->virtio_irq_base = acpi_enabled ? 16 : 8;
for (i = 0; i < VIRTIO_NUM_TRANSPORTS; i++) {
sysbus_create_simple("virtio-mmio",
VIRTIO_MMIO_BASE + i * 512,
--
2.18.2
- [PATCH 00/13] microvm: add acpi support, Gerd Hoffmann, 2020/03/19
- [PATCH 04/13] microvm: add minimal acpi support., Gerd Hoffmann, 2020/03/19
- [PATCH 02/13] acpi: factor out acpi_dsdt_add_fw_cfg(), Gerd Hoffmann, 2020/03/19
- [PATCH 13/13] microvm/acpi: use GSI 16-23 for virtio,
Gerd Hoffmann <=
- [PATCH 01/13] acpi: make build_madt() more generic., Gerd Hoffmann, 2020/03/19
- [PATCH 12/13] microvm: make virtio irq base runtime configurable, Gerd Hoffmann, 2020/03/19
- [PATCH 08/13] [testing] seabios: update config & build rules, Gerd Hoffmann, 2020/03/19
- [PATCH 10/13] microvm/acpi: add rtc, Gerd Hoffmann, 2020/03/19
- [PATCH 06/13] microvm: disable virtio-mmio cmdline hack, Gerd Hoffmann, 2020/03/19
- [PATCH 11/13] microvm/acpi: add serial, Gerd Hoffmann, 2020/03/19
- [PATCH 07/13] [testing] seabios: update submodule to experimental microvm branch, Gerd Hoffmann, 2020/03/19