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PurnaChandar
Contributor
Contributor

Creating VFs on Intel 82576 running on VMWare ESXi 4.0

Hi,

I installed vmware esxi 4.0 on HP proliant ML115 G5 system

that has AMD DUal core 4450B processor. Inserted a Intel 82576 dual

port gigabit NIC card and installed vmware version of the latest igb

driver - ver. 1.3.19 (I think this is the latest version) on the

hypervisor. I could see on the vSphere client interface that the got is

detected. I have two questions here:

1. How can I

create virtual functions (VFs) on the intel card so that I can assign a

VF to a guest OS. I tried looking at the source code of the above

driver, but looks like the max_vfs module parameter is removed

altogether. Does this mean creating VFs is not supported on vmware or

is there a different way to configure the VFs?

2. I

want to configure the VFs in pass-through mode and assign to guest

OSes. I know this needs VT-d support and I also know that my hardware

doesn't have that support. I think assigning VFs to a guest OS needs

VT-d support in the hardware, but creation of the VFs, I thought,

should be possible in the first place independent of the hardware. Does

creation of VFs (point 1) depends on the VT-d support? If this gets

confirmed, I can buy VT-d supported hardware and assign them to guest

OSes.

Thanks in advance,

PurnaChandar M

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