Exemplos de _bus_dmamem_free em C++ (Cpp)

Exemplo n.º 1

Arquivo: isadma_bounce.c Projeto: MarginC/kame

int
isadma_bounce_alloc_bouncebuf(bus_dma_tag_t t, bus_dmamap_t map,
    bus_size_t size, int flags)
{
	struct isadma_bounce_cookie *cookie = map->_dm_cookie;
	int error = 0;

	cookie->id_bouncebuflen = round_page(size);
	error = isadma_bounce_dmamem_alloc(t, cookie->id_bouncebuflen,
	    PAGE_SIZE, map->_dm_boundary, cookie->id_bouncesegs,
	    map->_dm_segcnt, &cookie->id_nbouncesegs, flags);
	if (error)
		goto out;
	error = _bus_dmamem_map(t, cookie->id_bouncesegs,
	    cookie->id_nbouncesegs, cookie->id_bouncebuflen,
	    (caddr_t *)&cookie->id_bouncebuf, flags);

 out:
	if (error) {
		_bus_dmamem_free(t, cookie->id_bouncesegs,
		    cookie->id_nbouncesegs);
		cookie->id_bouncebuflen = 0;
		cookie->id_nbouncesegs = 0;
	} else
		cookie->id_flags |= ID_HAS_BOUNCE;

	return (error);
}

Exemplo n.º 2

static int
_bus_dma_alloc_bouncebuf(bus_dma_tag_t t, bus_dmamap_t map,
    bus_size_t size, int flags)
{
	struct mips_bus_dma_cookie *cookie = map->_dm_cookie;
	int error = 0;

#ifdef DIAGNOSTIC
	if (cookie == NULL)
		panic("_bus_dma_alloc_bouncebuf: no cookie");
#endif

	cookie->id_bouncebuflen = round_page(size);
	error = _bus_dmamem_alloc(t, cookie->id_bouncebuflen,
	    PAGE_SIZE, map->_dm_boundary, cookie->id_bouncesegs,
	    map->_dm_segcnt, &cookie->id_nbouncesegs, flags);
	if (error)
		goto out;
	error = _bus_dmamem_map(t, cookie->id_bouncesegs,
	    cookie->id_nbouncesegs, cookie->id_bouncebuflen,
	    (void **)&cookie->id_bouncebuf, flags);

 out:
	if (error) {
		_bus_dmamem_free(t, cookie->id_bouncesegs,
		    cookie->id_nbouncesegs);
		cookie->id_bouncebuflen = 0;
		cookie->id_nbouncesegs = 0;
	} else {
		cookie->id_flags |= _BUS_DMA_HAS_BOUNCE;
	}

	return (error);
}

Exemplo n.º 3

Arquivo: isadma_bounce.c Projeto: MarginC/kame

void
isadma_bounce_free_bouncebuf(bus_dma_tag_t t, bus_dmamap_t map)
{
	struct isadma_bounce_cookie *cookie = map->_dm_cookie;

	_bus_dmamem_unmap(t, cookie->id_bouncebuf,
	    cookie->id_bouncebuflen);
	_bus_dmamem_free(t, cookie->id_bouncesegs,
	    cookie->id_nbouncesegs);
	cookie->id_bouncebuflen = 0;
	cookie->id_nbouncesegs = 0;
	cookie->id_flags &= ~ID_HAS_BOUNCE;
}

Exemplo n.º 4

Arquivo: isadma_machdep.c Projeto: MarginC/kame

void
_isa_dma_free_bouncebuf(bus_dma_tag_t t, bus_dmamap_t map)
{
	struct powerpc_isa_dma_cookie *cookie = map->_dm_cookie;

	STAT_DECR(isa_dma_stats_nbouncebufs);

	_bus_dmamem_unmap(t, cookie->id_bouncebuf,
	    cookie->id_bouncebuflen);
	_bus_dmamem_free(t, cookie->id_bouncesegs,
	    cookie->id_nbouncesegs);
	cookie->id_bouncebuflen = 0;
	cookie->id_nbouncesegs = 0;
	cookie->id_flags &= ~ID_HAS_BOUNCE;
}

Exemplo n.º 5

static void
_bus_dma_free_bouncebuf(bus_dma_tag_t t, bus_dmamap_t map)
{
	struct mips_bus_dma_cookie *cookie = map->_dm_cookie;

#ifdef DIAGNOSTIC
	if (cookie == NULL)
		panic("_bus_dma_alloc_bouncebuf: no cookie");
#endif

	_bus_dmamem_unmap(t, cookie->id_bouncebuf, cookie->id_bouncebuflen);
	_bus_dmamem_free(t, cookie->id_bouncesegs,
	    cookie->id_nbouncesegs);
	cookie->id_bouncebuflen = 0;
	cookie->id_nbouncesegs = 0;
	cookie->id_flags &= ~_BUS_DMA_HAS_BOUNCE;
}

Exemplo n.º 6

Arquivo: isa_machdep.c Projeto: avsm/openbsd-xen-sys

/*
 * Free memory safe for ISA DMA.
 */
void
_isa_bus_dmamem_free(bus_dma_tag_t t, bus_dma_segment_t *segs, int nsegs)
{

	_bus_dmamem_free(t, segs, nsegs);
}