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| author | Sean Christopherson <sean.j.christopherson@intel.com> | 2021-07-19 19:21:04 +0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-09-30 14:50:19 +0200 |
| commit | 56918a126ae25383cb0c2c74a6f0f784a6d59ac1 (patch) | |
| tree | 2694e522c8582fb67fed63bfcad65fe3649ca3bc /python | |
| parent | ba0fa56bc06e563de68d2a2bf3ddb0cfea1be4f9 (diff) | |
| download | focaccia-qemu-56918a126ae25383cb0c2c74a6f0f784a6d59ac1.tar.gz focaccia-qemu-56918a126ae25383cb0c2c74a6f0f784a6d59ac1.zip | |
memory: Add RAM_PROTECTED flag to skip IOMMU mappings
Add a new RAMBlock flag to denote "protected" memory, i.e. memory that looks and acts like RAM but is inaccessible via normal mechanisms, including DMA. Use the flag to skip protected memory regions when mapping RAM for DMA in VFIO. Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com> Signed-off-by: Yang Zhong <yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'python')
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