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[Bug 1090604] Re: RFE: Implement support for SMBIOS Type 41 structures

From: Jiajie Li
Subject: [Bug 1090604] Re: RFE: Implement support for SMBIOS Type 41 structures
Date: Fri, 18 Sep 2020 01:45:59 -0000

Hello, I'm intersted in this bug fix and have some free time. maybe I
can do this bug-fix.

** Changed in: qemu
       Status: New => In Progress

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  RFE: Implement support for SMBIOS Type 41 structures

Status in QEMU:
  In Progress

Bug description:
  This was originally filed in Fedora bugzilla:

  Please extend the existing support for SMBIOS in qemu to add a capability to 
provide "Onboard Devices Extended Information" (Type 41). Not only is this 
replacing one of the existing types, but it also provides a mapping between 
devices and physical system chassis locations. But there is no physical 
chassis! Right. However, this doesn't mean you don't want to tell the guest OS 
which virtual (e.g. network) interface is which. You can do that, if you 
implement this extension that is already going into real hardware, and likely 
other VMs too.

  See also page 117 of the v2.7 of the SMBIOS spec.

  FWIW, VMware ESX and Workstation expose their PCI NICs in the PCI IRQ Routing 
Table.  Kind of odd the first time you see it with biosdevname, as your NIC 
becomes pci3#1, but that's "correct" from a BIOS perspective. :-)

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