PXE_VOID Mem_IO(UINT64 UnqId, UINT8 read_write, UINT8 len, UINT64 port, UINT64 buf_addr);
UNDI will read or write the device io space using this call back function. It passes the number of bytes as the len parameter and it will be either 1,2,4 or 8.
This field can not be set to zero.
See Implementation
PXE_VOID Mem_IO(UINT64 UnqId, UINT8 read_write, UINT8 len, UINT64 port, UINT64 buf_addr);
UNDI will read or write the device io space using this call back function. It passes the number of bytes as the len parameter and it will be either 1,2,4 or 8.
This field can not be set to zero.