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[1/2] kvm tools: Fix IRQ assignments

Message ID 1304666795-15251-1-git-send-email-levinsasha928@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sasha Levin May 6, 2011, 7:26 a.m. UTC
virtio-blk needs a block of 4 IRQs (currently - staticly defined).
Giving the initial IRQ of 15 causes breakage when adding more
than one device.

Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
---
 tools/kvm/include/kvm/virtio-pci-dev.h |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)
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Patch

diff --git a/tools/kvm/include/kvm/virtio-pci-dev.h b/tools/kvm/include/kvm/virtio-pci-dev.h
index 431289d..41125c2 100644
--- a/tools/kvm/include/kvm/virtio-pci-dev.h
+++ b/tools/kvm/include/kvm/virtio-pci-dev.h
@@ -31,10 +31,16 @@  enum {
 };
 
 enum {
-	VIRTIO_RNG_IRQ				= 11,
-	VIRTIO_CONSOLE_IRQ			= 13,
-	VIRTIO_NET_IRQ				= 14,
-	VIRTIO_BLK_IRQ				= 15,
+	VIRTIO_RNG_IRQ				= 9,
+	VIRTIO_CONSOLE_IRQ			= 10,
+	VIRTIO_NET_IRQ				= 11,
+	VIRTIO_BLK_IRQ				= 12,
+	/*
+	 * FIXME: Currently IRQs 12-15 are reserved for possible
+	 * virtio-blk devices. Static assignment will be avoided
+	 * once dynamic IRQ assignment is added (or switch to
+	 * MSI-X).
+	 */
 };
 
 #endif /* VIRTIO_PCI_DEV_H_ */