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Signed-off-by: Amy Reyes <amy.reyes@intel.com>
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Amy Reyes 2021-10-28 10:38:09 -07:00 committed by David Kinder
parent d868f9fece
commit 6d61c2dfff
1 changed files with 7 additions and 7 deletions
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doc/developer-guides/hld/hv-vt-d.rst
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@ -255,9 +255,9 @@ units to be ignored. If some DMAR units are marked as ignored, they
would not be enabled. would not be enabled.
The hypervisor creates the Service VM domain using the Normal World's EPT table The hypervisor creates the Service VM domain using the Normal World's EPT table
of the Service VM as address translation table when creating the Service VM. All of the Service VM as the address translation table when creating the Service VM.
PCI devices on the platform are added to the Service VM domain. Then enable DMAR All PCI devices on the platform are added to the Service VM domain. Then enable
translation for DMAR units if they are not marked as ignored. DMAR translation for DMAR units if they are not marked as ignored.
.. _device-assignment: .. _device-assignment:
@ -292,11 +292,11 @@ units on the platform, except for the DMAR units marked ignored.
Error Handling Error Handling
************** **************
ACRN VT-d supports DMA remapping error reporting. ACRN VT-d requests a ACRN VT-d supports DMA remapping error reporting. ACRN VT-d requests an
IRQ / vector for DMAR error reporting. A DMAR fault handler is IRQ / vector for DMAR error reporting. A DMAR fault handler is
registered for the IRQ. DMAR units support report fault events via MSI. registered for the IRQ. DMAR units support reporting fault events via an MSI.
When a fault event occurs, an MSI is generated, so that the DMAR fault When a fault event occurs, an MSI is generated, and the DMAR fault
handler will be called to report the error event. handler reports the error event.
Data Structures and Interfaces Data Structures and Interfaces
****************************** ******************************