267 static struct pf_unit *pf_current;/* unit of current request */  variable
798 	return (((status_reg(pf_current) & (STAT_BUSY | pf_mask)) == pf_mask));  in pf_ready()
842 	pf_current = pf_req->rq_disk->private_data;  in pf_request()
858 		pi_do_claimed(pf_current->pi, do_pf_read);  in pf_request()
860 		pi_do_claimed(pf_current->pi, do_pf_write);  in pf_request()
924 	if (pf_start(pf_current, ATAPI_READ_10, pf_block, pf_run)) {  in do_pf_read_start()
925 		pi_disconnect(pf_current->pi);  in do_pf_read_start()
928 			pi_do_claimed(pf_current->pi, do_pf_read_start);  in do_pf_read_start()
941 		if (pf_wait(pf_current, STAT_BUSY, STAT_DRQ | STAT_ERR,  in do_pf_read_drq()
943 			pi_disconnect(pf_current->pi);  in do_pf_read_drq()
945 				pf_req_sense(pf_current, 0);  in do_pf_read_drq()
947 				pi_do_claimed(pf_current->pi, do_pf_read_start);  in do_pf_read_drq()
953 		pi_read_block(pf_current->pi, pf_buf, 512);  in do_pf_read_drq()
957 	pi_disconnect(pf_current->pi);  in do_pf_read_drq()
970 	if (pf_start(pf_current, ATAPI_WRITE_10, pf_block, pf_run)) {  in do_pf_write_start()
971 		pi_disconnect(pf_current->pi);  in do_pf_write_start()
974 			pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_start()
982 		if (pf_wait(pf_current, STAT_BUSY, STAT_DRQ | STAT_ERR,  in do_pf_write_start()
984 			pi_disconnect(pf_current->pi);  in do_pf_write_start()
987 				pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_start()
993 		pi_write_block(pf_current->pi, pf_buf, 512);  in do_pf_write_start()
1003 	if (pf_wait(pf_current, STAT_BUSY, 0, "write block", "done") & STAT_ERR) {  in do_pf_write_done()
1004 		pi_disconnect(pf_current->pi);  in do_pf_write_done()
1007 			pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_done()
1013 	pi_disconnect(pf_current->pi);  in do_pf_write_done()