How to enable IOMMU (Intel VT-d / AMD-Vi) support at the kernel level in RHEL for SR-IOV ?

Solution Verified - Updated -

Issue

  • SR-IOV Virtual Functions (VFs) do not appear or cannot be assigned to virtual machines.
  • How to verify and enable IOMMU/VT-d/AMD-Vi support at the kernel level in RHEL?

Environment

  • Red Hat Enterprise Linux (RHEL)

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