static void
pst_start(struct pst_softc *psc)
{
struct pst_request *request;
struct bio *bp;
u_int32_t mfa;
if (psc->iop->outstanding < (I2O_IOP_OUTBOUND_FRAME_COUNT - 1) &&
(bp = bioq_first(&psc->queue))) {
if ((mfa = iop_get_mfa(psc->iop)) != 0xffffffff) {
bioq_remove(&psc->queue, bp);
if (!(request = malloc(sizeof(struct pst_request),
M_PSTRAID, M_NOWAIT | M_ZERO))) {
printf("pst: out of memory in start\n");
biofinish(request->bp, NULL, ENOMEM);
iop_free_mfa(psc->iop, mfa);
return;
}
psc->iop->outstanding++;
request->psc = psc;
request->mfa = mfa;
request->bp = bp;
if (pst_rw(request)) {
biofinish(request->bp, NULL, EIO);
iop_free_mfa(request->psc->iop, request->mfa);
psc->iop->outstanding--;
free(request, M_PSTRAID);
}
}
}
}
static void
pst_timeout(struct pst_request *request)
{
printf("pst: timeout mfa=0x%08x cmd=0x%02x\n",
request->mfa, request->bp->bio_cmd);
mtx_lock(&request->psc->iop->mtx);
iop_free_mfa(request->psc->iop, request->mfa);
if ((request->mfa = iop_get_mfa(request->psc->iop)) == 0xffffffff) {
printf("pst: timeout no mfa possible\n");
biofinish(request->bp, NULL, EIO);
request->psc->iop->outstanding--;
mtx_unlock(&request->psc->iop->mtx);
return;
}
if (pst_rw(request)) {
iop_free_mfa(request->psc->iop, request->mfa);
biofinish(request->bp, NULL, EIO);
request->psc->iop->outstanding--;
}
mtx_unlock(&request->psc->iop->mtx);
}
static void
pst_timeout(void *arg)
{
struct pst_request *request;
request = arg;
printf("pst: timeout mfa=0x%08x cmd=0x%02x\n",
request->mfa, request->bp->bio_cmd);
mtx_assert(&request->psc->iop->mtx, MA_OWNED);
iop_free_mfa(request->psc->iop, request->mfa);
if ((request->mfa = iop_get_mfa(request->psc->iop)) == 0xffffffff) {
printf("pst: timeout no mfa possible\n");
biofinish(request->bp, NULL, EIO);
request->psc->iop->outstanding--;
return;
}
if (pst_rw(request)) {
iop_free_mfa(request->psc->iop, request->mfa);
biofinish(request->bp, NULL, EIO);
request->psc->iop->outstanding--;
}
}
