wdccommandext
error = wdccommandext(chp, &wd_c);
static int wdccommandext(struct wdc_channel *, struct wdc_command *);
error = wdccommandext(wd, &wd_c);
int wdccommandext(struct wd_softc *, struct wdc_command *);
error = wdccommandext(wd, &wd_c);
int wdccommandext(struct wd_softc *, struct wdc_command *);
wdccommandext(chp, xfer->c_drive, cmd,
wdccommandext(chp, xfer->c_drive, atacmd_to48(cmd),
wdccommandext(chp, 0, atacmd_to48(cmd),
wdccommandext(chp, 0, ata_c->r_command,
wdccommandext(chp, drive, ata_c->r_command,
void wdccommandext(struct ata_channel *, u_int8_t, u_int8_t, u_int64_t,