HIPC: Difference between revisions

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 [[SVC|MemoryAttribute]] IsBorrowed and IsUncached are never allowed for the source address.
+"Send" means buffer is sent from source process into service process.
+"Receive" means that data is copied from service process into user process.
+"Exchange" means both "Send" and "Receive".
 ==== Flags ====
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 Used to enforce whether or not device mapping is allowed for src and dst buffers respectively.
-* Flag0: [[SVC|MemoryAttribute]] IsDeviceMapped is *not* allowed in the source addr.
+* Flag0: Device mapping *not* allowed for src or dst.
-* Flag0: Destination mapping has MapDeviceAlignedAllowed clear in [[SVC|MemoryState]].
+* Flag1: Device mapping allowed for src and dst.
-* Flag1: [[SVC|MemoryAttribute]] IsDeviceMapped is allowed in the source addr.
+* Flag3: Device mapping allowed for src but not for dst.
-* Flag1: Destination mapping has MapDeviceAlignedAllowed set in [[SVC|MemoryState]].
-* Flag3: [[SVC|MemoryAttribute]] IsDeviceMapped is allowed in the source addr.
-* Flag3: Destination mapping has MapDeviceAlignedAllowed clear in [[SVC|MemoryState]].
 === Buffer descriptor C "ReceiveList" ===