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[Xen-devel] [PATCH 0/2] Disable xen platform PCI device when xen_platfor
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] [PATCH 0/2] Disable xen platform PCI device when xen_platform_pci=0 is specified |
| From: | Yuji Shimada <shimada-yxb@xxxxxxxxxxxxxxx> |
| Date: | Wed, 18 Mar 2009 16:41:25 +0900 |
| Cc: | |
| Delivery-date: | Wed, 18 Mar 2009 00:41:59 -0700 |
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This series of patches disables xen platform PCI device of HVM domain
when "xen_platform_pci=0" is specified.
- Alias the "platform_flags" byte of the ioport BAR to fixed byte port
0x10, and don't remove existing "platform_flags" byte.
- Change guest firmware to use new fixed byte port 0x10.
- Add "xen_platform_pci" option into guest config file and APIs.
xen_platform_pci=0: Disable xen platform device.
xen_platform_pci=1: Enable xen platform device. (default)
- Add "disable_pf" entry into xenstore.
- Disable xen platform PCI device if "disable_pf" entry is 1. If there
is not "disable_pf" entry, xen platform PCI device is enabled.
Thanks,
--
Yuji Shimada
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