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[Xen-devel] [PATCH 0/5] Add MSI support to xen environment


  • To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
  • From: "Jiang, Yunhong" <yunhong.jiang@xxxxxxxxx>
  • Date: Fri, 26 Oct 2007 00:46:31 +0800
  • Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 25 Oct 2007 09:49:44 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcgXJpgKtuetZtZRSk2SPUOVajTGGQ==
  • Thread-topic: [PATCH 0/5] Add MSI support to xen environment

Hi, 
The followed series patches add MSI support to xen environment. Please
have a look on it and give me any suggestion and I'd like to update
accordingly.

The basic idea including:
1) Keep vector global resource owned by xen, while split pirq into per
domain information.
2) domain0 kernel will operate msi resource for domain0/domU, while QEMU
will operate MSI resource for HVM domain.
3) Xen will do EOI for MSI interrupt.

pirq_per_domain.patch is mainly changes to xen source tree for
per-domain pirq.
domain_pirq_kernel.patch is changes to linux tree for per-domain pirq.

msi_irq_xen.patch changes xen to support msi for domain0/domainU.
msi_kernel.patch changes linux tree to support msi.

msi_passthrough.patch add msi support to passthrough hvm domain.

Signed-off-by: Yunhong Jiang <yunhong.jiang@xxxxxxxxx>

Thanks
Yunhong Jiang

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