scsi_host_dix_capable
dix = scsi_host_dix_capable(sdp->host, sdkp->protection_type);
if (!dix && scsi_host_dix_capable(sdp->host, T10_PI_TYPE0_PROTECTION)) {
dix = scsi_host_dix_capable(sdp->host, type);
if (!dix && scsi_host_dix_capable(sdp->host, 0)) {