[Xen-users] How to find we are in Dom0 or DomU from a driver

[Venkatesh P N <venkateshpnv@xxxxxxxxx>]

Hi,

I am currently using Citrix Xen6.0 Server and installed a couple of guests on it.

I am writing a PCI driver common for Dom0 and DomU.
In the driver, I need to write the code like

If I am in Dom0
{
Do Dom0 related ops (physical driver)
}
else
{
Do DomU related ops. (virtual driver)
}

So, How can we find out whether we are in Dom0 or DomU from the driver level.
Other than "/proc/xen/capabilities", is there any kernel function or data structure to find out this.

Thanks
Petla Venkatesh

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