Symbol: ATDC_HOB
usr/src/uts/common/io/sata/adapters/nv_sata/nv_sata.c
6143
nv_put8(ctlhdl, nvp->nvp_devctl, ATDC_HOB|ATDC_D3);
usr/src/uts/intel/io/dktp/controller/ata/ata_disk.c
2784
ddi_put8(io_hdl2, ata_ctlp->ac_devctl, (ATDC_D3 | ATDC_HOB));