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| author | Sheng, W <w.sheng@intel.com> | 2022-01-24 05:43:47 +0300 |
|---|---|---|
| committer | Ray Ni <ray.ni@intel.com> | 2022-01-27 06:50:00 +0300 |
| commit | 9ffeebe07c4457dbd262ab8a65c2eed8bbd47dea (patch) | |
| tree | d85c3ae3333be6b5bd1d1fb76af8d67dd46acb37 /Features/Intel/Debugging/PostCodeDebugFeaturePkg/Library | |
| parent | f4f8e0027f95e6c5a2eb82d3492efc2a95c7c66a (diff) | |
| download | edk2-platforms-9ffeebe07c4457dbd262ab8a65c2eed8bbd47dea.tar.xz | |
IntelSiliconPkg/VTd: Support VTd Abort DMA Mode
If VTd ECAP_REG.ADMS bit is set, abort DMA mode is supported.
When VTd Abort DMA Mode is enabled, hardware will abort all DMA
operations without the need to set up a root-table with each
entry marked as not-present.
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3766
Reviewed-by: Ray Ni <ray.ni@intel.com>
Cc: Rangasai V Chaganty <rangasai.v.chaganty@intel.com>
Cc: Jenny Huang <jenny.huang@intel.com>
Cc: Robert Kowalewski <robert.kowalewski@intel.com>
Reviewed-by: Jenny Huang <jenny.huang@intel.com>
Signed-off-by: Sheng Wei <w.sheng@intel.com>
Diffstat (limited to 'Features/Intel/Debugging/PostCodeDebugFeaturePkg/Library')
0 files changed, 0 insertions, 0 deletions