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[Qemu-devel] [PATCH] pci: fix requester id with PCI bridges

From: Peter Xu
Subject: [Qemu-devel] [PATCH] pci: fix requester id with PCI bridges
Date: Wed, 11 May 2016 14:40:30 +0800

Recently I encountered issue when debugging Intel IOMMU IR codes,
that interrupts are not working correctly with PCI bridges (reported
by Radim). This patch fixes the problem. I assume requester ID
should be the devfn on root PCI bus (that's how I understand it
before, and also in guest kernel, IRTE entry SID is filled in that
way), however I failed to find any good document to confirm
this. Please let me know if this is correct (or I made any


Peter Xu (1):
  pci: fix requester id to be the one on root bus

 hw/pci/msi.c         | 2 +-
 hw/pci/pci.c         | 9 +++++++++
 include/hw/pci/pci.h | 2 ++
 3 files changed, 12 insertions(+), 1 deletion(-)


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