219     struct pst_request *request;  in pst_start()  local
228 	    if (!(request = malloc(sizeof(struct pst_request),  in pst_start()
231 		biofinish(request->bp, NULL, ENOMEM);  in pst_start()
235 	    callout_init_mtx(&request->timeout, &psc->iop->mtx, 0);  in pst_start()
237 	    request->psc = psc;  in pst_start()
238 	    request->mfa = mfa;  in pst_start()
239 	    request->bp = bp;  in pst_start()
240 	    if ((error = pst_rw(request)) != 0) {  in pst_start()
241 		biofinish(request->bp, NULL, error);  in pst_start()
242 		iop_free_mfa(request->psc->iop, request->mfa);  in pst_start()
244 		free(request, M_PSTRAID);  in pst_start()
253     struct pst_request *request =  in pst_done()  local
255     struct pst_softc *psc = request->psc;  in pst_done()
257     callout_stop(&request->timeout);  in pst_done()
258     request->bp->bio_resid = request->bp->bio_bcount - reply->donecount;  in pst_done()
259     biofinish(request->bp, NULL, reply->status ? EIO : 0);  in pst_done()
260     free(request, M_PSTRAID);  in pst_done()
267 pst_rw(struct pst_request *request)  in pst_rw()  argument
273 	  (request->psc->iop->ibase + request->mfa);  in pst_rw()
278     msg->target_address = request->psc->lct->local_tid;  in pst_rw()
280     switch (request->bp->bio_cmd) {  in pst_rw()
294 	printf("pst: unknown command type 0x%02x\n", request->bp->bio_cmd);  in pst_rw()
298     msg->transaction_context = (u_int32_t)request;  in pst_rw()
300     msg->bytecount = request->bp->bio_bcount;  in pst_rw()
301     msg->lba = ((u_int64_t)request->bp->bio_pblkno) * (DEV_BSIZE * 1LL);  in pst_rw()
303     if (!iop_create_sgl((struct i2o_basic_message *)msg, request->bp->bio_data,  in pst_rw()
304 			request->bp->bio_bcount, sgl_flag))  in pst_rw()
307     request->psc->iop->reg->iqueue = request->mfa;  in pst_rw()
310 	callout_reset(&request->timeout, 10 * hz, pst_timeout, request);  in pst_rw()
317     struct pst_request *request;  in pst_timeout()  local
320     request = arg;  in pst_timeout()
322 	   request->mfa, request->bp->bio_cmd);  in pst_timeout()
323     mtx_assert(&request->psc->iop->mtx, MA_OWNED);  in pst_timeout()
324     iop_free_mfa(request->psc->iop, request->mfa);  in pst_timeout()
325     if ((request->mfa = iop_get_mfa(request->psc->iop)) == 0xffffffff) {  in pst_timeout()
327 	biofinish(request->bp, NULL, EIO);  in pst_timeout()
328 	request->psc->iop->outstanding--;  in pst_timeout()
331     if ((error = pst_rw(request)) != 0) {  in pst_timeout()
332 	iop_free_mfa(request->psc->iop, request->mfa);  in pst_timeout()
333 	biofinish(request->bp, NULL, error);  in pst_timeout()
334 	request->psc->iop->outstanding--;  in pst_timeout()