214     struct pst_request *request;  in pst_start()  local
222 	    if (!(request = malloc(sizeof(struct pst_request),  in pst_start()
225 		biofinish(request->bp, NULL, ENOMEM);  in pst_start()
229 	    callout_init_mtx(&request->timeout, &psc->iop->mtx, 0);  in pst_start()
231 	    request->psc = psc;  in pst_start()
232 	    request->mfa = mfa;  in pst_start()
233 	    request->bp = bp;  in pst_start()
234 	    if (pst_rw(request)) {  in pst_start()
235 		biofinish(request->bp, NULL, EIO);  in pst_start()
236 		iop_free_mfa(request->psc->iop, request->mfa);  in pst_start()
238 		free(request, M_PSTRAID);  in pst_start()
247     struct pst_request *request =  in pst_done()  local
249     struct pst_softc *psc = request->psc;  in pst_done()
251     callout_stop(&request->timeout);  in pst_done()
252     request->bp->bio_resid = request->bp->bio_bcount - reply->donecount;  in pst_done()
253     biofinish(request->bp, NULL, reply->status ? EIO : 0);  in pst_done()
254     free(request, M_PSTRAID);  in pst_done()
261 pst_rw(struct pst_request *request)  in pst_rw()  argument
267 	  (request->psc->iop->ibase + request->mfa);  in pst_rw()
272     msg->target_address = request->psc->lct->local_tid;  in pst_rw()
274     switch (request->bp->bio_cmd) {  in pst_rw()
288 	printf("pst: unknown command type 0x%02x\n", request->bp->bio_cmd);  in pst_rw()
292     msg->transaction_context = (u_int32_t)request;  in pst_rw()
294     msg->bytecount = request->bp->bio_bcount;  in pst_rw()
295     msg->lba = ((u_int64_t)request->bp->bio_pblkno) * (DEV_BSIZE * 1LL);  in pst_rw()
297     if (!iop_create_sgl((struct i2o_basic_message *)msg, request->bp->bio_data,  in pst_rw()
298 			request->bp->bio_bcount, sgl_flag))  in pst_rw()
301     request->psc->iop->reg->iqueue = request->mfa;  in pst_rw()
304 	callout_reset(&request->timeout, 10 * hz, pst_timeout, request);  in pst_rw()
311     struct pst_request *request;  in pst_timeout()  local
313     request = arg;  in pst_timeout()
315 	   request->mfa, request->bp->bio_cmd);  in pst_timeout()
316     mtx_assert(&request->psc->iop->mtx, MA_OWNED);  in pst_timeout()
317     iop_free_mfa(request->psc->iop, request->mfa);  in pst_timeout()
318     if ((request->mfa = iop_get_mfa(request->psc->iop)) == 0xffffffff) {  in pst_timeout()
320 	biofinish(request->bp, NULL, EIO);  in pst_timeout()
321 	request->psc->iop->outstanding--;  in pst_timeout()
324     if (pst_rw(request)) {  in pst_timeout()
325 	iop_free_mfa(request->psc->iop, request->mfa);  in pst_timeout()
326 	biofinish(request->bp, NULL, EIO);  in pst_timeout()
327 	request->psc->iop->outstanding--;  in pst_timeout()