Pre-allocating page table entries to provide virtual machine access to single root input-output virtualization devices

A method comprising:

• allocating, by an input-output memory management unit (IOMMU) of a computing device, a page table comprising a plurality of page table entries to a physical function executed by a single root input-output virtualization (SR-IOV) device;
• in response to allocating the page table comprising the plurality of page table entries, deploying, by a hypervisor, a virtual machine, the virtual machine comprising a virtual page table comprising a plurality of virtual page table entries corresponding to the page table comprising the plurality of page table entries;
• requesting, by the virtual machine, a virtual function that is configurable by the physical function;
• forwarding the request to the SR-IOV device;
• and
• transmitting an SR-IOV device memory address for the virtual function created by the SR-IOV device to the virtual machine for enabling the virtual function.

A non-transitory computer-readable medium comprising program code that is executable by a processor for causing the processor to:

• allocate, by an input-output memory management unit (IOMMU), a page table comprising a plurality of page table entries to a physical function executed by a single root input-output virtualization (SR-IOV) device;
• in response to allocating the page table comprising the plurality of page table entries, deploy, by a hypervisor, a virtual machine, the virtual machine comprising a virtual page table comprising a plurality of virtual page table entries corresponding to the plurality of page table entries;
• request, by the virtual machine, a virtual function that is configurable by the physical function;
• forward the request to the SR-IOV device;
• and
• transmit an SR-IOV device memory address for the virtual function created by the SR-IOV device to the virtual machine for enabling the virtual function.