264 static struct pf_unit *pf_current;/* unit of current request */  variable
779 	return (((status_reg(pf_current) & (STAT_BUSY | pf_mask)) == pf_mask));  in pf_ready()
819 	pf_current = pf_req->rq_disk->private_data;  in pf_request()
835 		pi_do_claimed(pf_current->pi, do_pf_read);  in pf_request()
837 		pi_do_claimed(pf_current->pi, do_pf_write);  in pf_request()
893 	if (pf_start(pf_current, ATAPI_READ_10, pf_block, pf_run)) {  in do_pf_read_start()
894 		pi_disconnect(pf_current->pi);  in do_pf_read_start()
897 			pi_do_claimed(pf_current->pi, do_pf_read_start);  in do_pf_read_start()
910 		if (pf_wait(pf_current, STAT_BUSY, STAT_DRQ | STAT_ERR,  in do_pf_read_drq()
912 			pi_disconnect(pf_current->pi);  in do_pf_read_drq()
914 				pf_req_sense(pf_current, 0);  in do_pf_read_drq()
916 				pi_do_claimed(pf_current->pi, do_pf_read_start);  in do_pf_read_drq()
922 		pi_read_block(pf_current->pi, pf_buf, 512);  in do_pf_read_drq()
926 	pi_disconnect(pf_current->pi);  in do_pf_read_drq()
939 	if (pf_start(pf_current, ATAPI_WRITE_10, pf_block, pf_run)) {  in do_pf_write_start()
940 		pi_disconnect(pf_current->pi);  in do_pf_write_start()
943 			pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_start()
951 		if (pf_wait(pf_current, STAT_BUSY, STAT_DRQ | STAT_ERR,  in do_pf_write_start()
953 			pi_disconnect(pf_current->pi);  in do_pf_write_start()
956 				pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_start()
962 		pi_write_block(pf_current->pi, pf_buf, 512);  in do_pf_write_start()
972 	if (pf_wait(pf_current, STAT_BUSY, 0, "write block", "done") & STAT_ERR) {  in do_pf_write_done()
973 		pi_disconnect(pf_current->pi);  in do_pf_write_done()
976 			pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_done()
982 	pi_disconnect(pf_current->pi);  in do_pf_write_done()