267 static struct pf_unit *pf_current;/* unit of current request */  variable
802 	return (((status_reg(pf_current) & (STAT_BUSY | pf_mask)) == pf_mask));  in pf_ready()
846 	pf_current = pf_req->rq_disk->private_data;  in pf_request()
862 		pi_do_claimed(pf_current->pi, do_pf_read);  in pf_request()
864 		pi_do_claimed(pf_current->pi, do_pf_write);  in pf_request()
928 	if (pf_start(pf_current, ATAPI_READ_10, pf_block, pf_run)) {  in do_pf_read_start()
929 		pi_disconnect(pf_current->pi);  in do_pf_read_start()
932 			pi_do_claimed(pf_current->pi, do_pf_read_start);  in do_pf_read_start()
945 		if (pf_wait(pf_current, STAT_BUSY, STAT_DRQ | STAT_ERR,  in do_pf_read_drq()
947 			pi_disconnect(pf_current->pi);  in do_pf_read_drq()
949 				pf_req_sense(pf_current, 0);  in do_pf_read_drq()
951 				pi_do_claimed(pf_current->pi, do_pf_read_start);  in do_pf_read_drq()
957 		pi_read_block(pf_current->pi, pf_buf, 512);  in do_pf_read_drq()
961 	pi_disconnect(pf_current->pi);  in do_pf_read_drq()
974 	if (pf_start(pf_current, ATAPI_WRITE_10, pf_block, pf_run)) {  in do_pf_write_start()
975 		pi_disconnect(pf_current->pi);  in do_pf_write_start()
978 			pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_start()
986 		if (pf_wait(pf_current, STAT_BUSY, STAT_DRQ | STAT_ERR,  in do_pf_write_start()
988 			pi_disconnect(pf_current->pi);  in do_pf_write_start()
991 				pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_start()
997 		pi_write_block(pf_current->pi, pf_buf, 512);  in do_pf_write_start()
1007 	if (pf_wait(pf_current, STAT_BUSY, 0, "write block", "done") & STAT_ERR) {  in do_pf_write_done()
1008 		pi_disconnect(pf_current->pi);  in do_pf_write_done()
1011 			pi_do_claimed(pf_current->pi, do_pf_write_start);  in do_pf_write_done()
1017 	pi_disconnect(pf_current->pi);  in do_pf_write_done()