pnp_dma
struct pnp_dma *dma;
dma = malloc(sizeof(struct pnp_dma), M_DEVBUF, M_WAITOK);
struct pnp_dma *dma;
struct pnp_dma *dma;
SIMPLEQ_ENTRY(pnp_dma) next;
SIMPLEQ_HEAD(, pnp_dma) dma;