uncore

HasManagerSideCoherencePolicy

trait HasManagerSideCoherencePolicy extends HasDirectoryRepresentation

This API contains all functions required for manager coherence agents. Policies must enumerate the number of manager states. Policies must fill in functions to control which Probe and Grant messages are sent and how metadata should be updated in response to coherence events. These funtions are generally called from within the ManagerMetadata class in metadata.scala

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  1. abstract val dir: DirectoryRepresentation

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    HasDirectoryRepresentation
  2. abstract def getGrantType(acq: Acquire, meta: ManagerMetadata): UInt

  3. abstract def getProbeType(acq: Acquire, meta: ManagerMetadata): UInt

  4. abstract def getProbeType(cmd: UInt, meta: ManagerMetadata): UInt

  5. abstract def managerMetadataOnRelease(incoming: Release, src: UInt, meta: ManagerMetadata): ManagerMetadata

  6. abstract def managerMetadataOnReset: ManagerMetadata

  7. abstract val nManagerStates: Int

  8. abstract def requiresProbes(cmd: UInt, meta: ManagerMetadata): Bool

  9. abstract def requiresProbes(acq: Acquire, meta: ManagerMetadata): Bool

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  13. final def isInstanceOf[T0]: Boolean

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  14. def managerMetadataOnGrant(outgoing: Grant, dst: UInt, meta: ManagerMetadata): ManagerMetadata

  15. def masterStateWidth: Int

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