tbuf_t
chp->toe_free = (void (*)(void *, tbuf_t *))toe_free;
void (*toe_free)(void *, tbuf_t *);
hmp->ce_pa = ((tbuf_t *)mp)->tb_pa;
hmp->ce_len = ((tbuf_t *)mp)->tb_len;
(void) ddi_dma_sync((ddi_dma_handle_t)((tbuf_t *)mp)->tb_dh,
chp->toe_free(chp->ch_toeinst, (tbuf_t *)(ce->ce_mp));