IOP_REG_ID 868 drivers/scsi/advansys.c #define AscReadChipDvcID(port) (uchar)inp((port)+IOP_REG_ID) IOP_REG_ID 869 drivers/scsi/advansys.c #define AscWriteChipDvcID(port, data) outp((port)+IOP_REG_ID, data)