Lines Matching refs:md
918 OSSharedPtr<IOMemoryDescriptor> md = state->fCopyMD; in prepare() local
919 if (md) { in prepare()
922 md = fMemory; in prepare()
926 ret = md->dmaCommandOperation(kIOMDDMAMap, &mapArgs, sizeof(mapArgs)); in prepare()
959 ret = md->dmaCommandOperation(mdOp, &walkState, sizeof(walkState)); in prepare()
1001 ret = md->dmaCommandOperation(mdOp, &walkState, sizeof(walkState)); in prepare()
1074 OSSharedPtr<IOMemoryDescriptor> md = fMemory; in complete() local
1075 … md->performOperation(kIOMemoryIncoherentIOFlush, state->fPreparedOffset, state->fPreparedLength); in complete()
1094 OSSharedPtr<IOMemoryDescriptor> md = copyMD; in complete() local
1095 if (md) { in complete()
1098 md = fMemory; in complete()
1102 ret = md->dmaCommandOperation(kIOMDDMAUnmap, &mapArgs, sizeof(mapArgs)); in complete()