| #ifndef READ_WRITE_HANDLER_H |
| #define READ_WRITE_HANDLER_H |
| typedef struct ReadWriteHandler ReadWriteHandler; |
| /* len is guaranteed to be one of 1, 2 or 4, addr is guaranteed to fit in an |
| * appropriate type (io/memory/etc). They do not need to be range checked. */ |
| typedef void WriteHandlerFunc(ReadWriteHandler *, pcibus_t addr, |
| uint32_t value, int len); |
| typedef uint32_t ReadHandlerFunc(ReadWriteHandler *, pcibus_t addr, int len); |
| struct ReadWriteHandler { |
| /* Helpers for when we want to use a single routine with length. */ |
| /* CPU memory handler: both read and write must be present. */ |
| int cpu_register_io_memory_simple(ReadWriteHandler *); |
| /* io port handler: can supply only read or write handlers. */ |
| int register_ioport_simple(ReadWriteHandler *, |
| pio_addr_t start, int length, int size); |