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authorGerd Hoffmann <kraxel@redhat.com>2020-09-28 12:42:48 +0200
committerGerd Hoffmann <kraxel@redhat.com>2020-09-30 11:29:56 +0200
commitebf187757048e972eea1054cb1b5b54a3e47356b (patch)
tree8053bbcc1a2ac119d5d22e759a596516eef3411b /include/hw/i386
parent06d2dd4911a9d2b7c8ac20f834cfdc2a950a13c2 (diff)
microvm: add irq table
Add a comment with a table listing the IRQs, both legacy pc and microvm side-by-side. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 20200928104256.9241-5-kraxel@redhat.com
Diffstat (limited to 'include/hw/i386')
-rw-r--r--include/hw/i386/microvm.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h
index 3b9fd4ff17..0d61697c97 100644
--- a/include/hw/i386/microvm.h
+++ b/include/hw/i386/microvm.h
@@ -27,6 +27,28 @@
#include "hw/acpi/acpi_dev_interface.h"
#include "qom/object.h"
+/*
+ * IRQ | pc | microvm (acpi=on)
+ * --------+------------+------------------
+ * 0 | pit |
+ * 1 | kbd |
+ * 2 | cascade |
+ * 3 | serial 1 |
+ * 4 | serial 0 | serial
+ * 5 | - |
+ * 6 | floppy |
+ * 7 | parallel |
+ * 8 | rtc | rtc (rtc=on)
+ * 9 | acpi | acpi (ged)
+ * 10 | pci lnk |
+ * 11 | pci lnk |
+ * 12 | ps2 |
+ * 13 | fpu |
+ * 14 | ide 0 |
+ * 15 | ide 1 |
+ * 16-23 | pci gsi | virtio
+ */
+
/* Platform virtio definitions */
#define VIRTIO_MMIO_BASE 0xfeb00000
#define VIRTIO_NUM_TRANSPORTS 8