MappingOptions
Mapping types to indicate the desired mapper type for translating memory descriptors into I/O DMA Bus addresses.
Declaration
enum MappingOptions {
kMapped = 0x00000000,
kBypassed = 0x00000001,
kNonCoherent = 0x00000002,
kTypeMask = 0x0000000f,
kNoCacheStore = 0x00000010, // Memory in descriptor
kOnChip = 0x00000020, // Indicates DMA is on South Bridge
kIterateOnly = 0x00000040 // DMACommand will be used as a cursor only
};