Lines Matching +full:implementation +full:- +full:defined
8 The io_mapping functions in linux/io-mapping.h provide an abstraction for
10 usage is to support the large graphics aperture on 32-bit processors where
33 'offset' is the offset within the defined mapping region.
39 This _wc variant returns a write-combining map to the
54 If you need to sleep while holding the lock, you can use the non-atomic
77 Current Implementation
80 The initial implementation of these functions uses existing mapping
84 On 64-bit processors, io_mapping_create_wc calls ioremap_wc for the whole
85 range, creating a permanent kernel-visible mapping to the resource. The
89 On 32-bit processors with HIGHMEM defined, io_mapping_map_atomic_wc uses
94 On 32-bit processors without HIGHMEM defined, io_mapping_map_atomic_wc and