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vm2vm_mst [2015/09/03 04:33]
Jun Nakajima
vm2vm_mst [2015/09/03 04:33] (current)
Jun Nakajima
Line 24: Line 24:
   - The vhost-pci (implemented by the extension) sets BAR in VM2.    - The vhost-pci (implemented by the extension) sets BAR in VM2. 
   - A process (e.g. DPDK) or kernel in VM2 accesses BAR + (**bus address**) in its GPA to copy data to VM1. This operation can be done by data-copying or DMA (by SR-IOV VFs, for example).   - A process (e.g. DPDK) or kernel in VM2 accesses BAR + (**bus address**) in its GPA to copy data to VM1. This operation can be done by data-copying or DMA (by SR-IOV VFs, for example).
-  - The mapping from the **bus address** to GPA in VM1 is done by virtual IOMMU configured for the device R. +  - The mapping from the **bus address** to GPA in VM1 is done by virtual IOMMU configured for the device ​**R**
  
  
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vm2vm_mst.txt ยท Last modified: 2015/09/03 04:33 by Jun Nakajima