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Diffstat (limited to 'sys/arch/alpha/pci')
-rw-r--r--sys/arch/alpha/pci/cia_dma.c25
-rw-r--r--sys/arch/alpha/pci/mcpcia_dma.c10
-rw-r--r--sys/arch/alpha/pci/tsp_dma.c10
3 files changed, 37 insertions, 8 deletions
diff --git a/sys/arch/alpha/pci/cia_dma.c b/sys/arch/alpha/pci/cia_dma.c
index 29b3ddae8f2..54b0d74be67 100644
--- a/sys/arch/alpha/pci/cia_dma.c
+++ b/sys/arch/alpha/pci/cia_dma.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cia_dma.c,v 1.10 2009/02/01 14:34:00 miod Exp $ */
+/* $OpenBSD: cia_dma.c,v 1.11 2014/06/14 23:11:20 jmatthew Exp $ */
/* $NetBSD: cia_dma.c,v 1.16 2000/06/29 08:58:46 mrg Exp $ */
/*-
@@ -56,6 +56,7 @@ bus_dma_tag_t cia_dma_get_tag(bus_dma_tag_t, alpha_bus_t);
int cia_bus_dmamap_create_direct(bus_dma_tag_t, bus_size_t, int,
bus_size_t, bus_size_t, int, bus_dmamap_t *);
+void cia_bus_dmamap_destroy_direct(bus_dma_tag_t, bus_dmamap_t);
int cia_bus_dmamap_load_sgmap(bus_dma_tag_t, bus_dmamap_t, void *,
bus_size_t, struct proc *, int);
@@ -113,7 +114,7 @@ cia_dma_init(ccp)
t->_sgmap = NULL;
t->_get_tag = cia_dma_get_tag;
t->_dmamap_create = cia_bus_dmamap_create_direct;
- t->_dmamap_destroy = _bus_dmamap_destroy;
+ t->_dmamap_destroy = cia_bus_dmamap_destroy_direct;
t->_dmamap_load = _bus_dmamap_load_direct;
t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf_direct;
t->_dmamap_load_uio = _bus_dmamap_load_uio_direct;
@@ -307,7 +308,15 @@ cia_bus_dmamap_create_direct(t, size, nsegments, maxsegsz, boundary,
if (error)
return (error);
+ /*
+ * Since we fall back to sgmap if the direct mapping fails,
+ * we need to set up for sgmap in any case.
+ */
map = *dmamp;
+ if (alpha_sgmap_dmamap_setup(map, nsegments, flags)) {
+ _bus_dmamap_destroy(t, map);
+ return (ENOMEM);
+ }
if ((ccp->cc_flags & CCF_PYXISBUG) != 0 &&
map->_dm_segcnt > 1) {
@@ -329,6 +338,18 @@ cia_bus_dmamap_create_direct(t, size, nsegments, maxsegsz, boundary,
}
/*
+ * Destroy a CIA direct-mapped DMA map.
+ */
+void
+cia_bus_dmamap_destroy_direct(t, map)
+ bus_dma_tag_t t;
+ bus_dmamap_t map;
+{
+ alpha_sgmap_dmamap_teardown(map);
+ _bus_dmamap_destroy(t, map);
+}
+
+/*
* Load a CIA SGMAP-mapped DMA map with a linear buffer.
*/
int
diff --git a/sys/arch/alpha/pci/mcpcia_dma.c b/sys/arch/alpha/pci/mcpcia_dma.c
index 7dba6aa8823..4d019dbb2cf 100644
--- a/sys/arch/alpha/pci/mcpcia_dma.c
+++ b/sys/arch/alpha/pci/mcpcia_dma.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: mcpcia_dma.c,v 1.4 2012/12/05 23:20:10 deraadt Exp $ */
+/* $OpenBSD: mcpcia_dma.c,v 1.5 2014/06/14 23:11:20 jmatthew Exp $ */
/* $NetBSD: mcpcia_dma.c,v 1.15 2001/07/19 18:55:40 thorpej Exp $ */
/*-
@@ -108,8 +108,12 @@ mcpcia_dma_init(ccp)
t->_boundary = 0;
t->_sgmap = NULL;
t->_get_tag = mcpcia_dma_get_tag;
- t->_dmamap_create = _bus_dmamap_create;
- t->_dmamap_destroy = _bus_dmamap_destroy;
+ /*
+ * Since we fall back to sgmap if the direct mapping fails,
+ * we need to set up for sgmap in any case.
+ */
+ t->_dmamap_create = alpha_sgmap_dmamap_create;
+ t->_dmamap_destroy = alpha_sgmap_dmamap_destroy;
t->_dmamap_load = _bus_dmamap_load_direct;
t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf_direct;
t->_dmamap_load_uio = _bus_dmamap_load_uio_direct;
diff --git a/sys/arch/alpha/pci/tsp_dma.c b/sys/arch/alpha/pci/tsp_dma.c
index 32f5d3fb695..819a3c710ee 100644
--- a/sys/arch/alpha/pci/tsp_dma.c
+++ b/sys/arch/alpha/pci/tsp_dma.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tsp_dma.c,v 1.10 2014/05/08 20:46:49 miod Exp $ */
+/* $OpenBSD: tsp_dma.c,v 1.11 2014/06/14 23:11:20 jmatthew Exp $ */
/* $NetBSD: tsp_dma.c,v 1.1 1999/06/29 06:46:47 ross Exp $ */
/*-
@@ -153,8 +153,12 @@ tsp_dma_init(struct device *tsp, struct tsp_config *pcp)
t->_boundary = 0;
t->_sgmap = NULL;
t->_get_tag = tsp_dma_get_tag;
- t->_dmamap_create = _bus_dmamap_create;
- t->_dmamap_destroy = _bus_dmamap_destroy;
+ /*
+ * Since we fall back to sgmap if the direct mapping fails,
+ * we need to set up for sgmap in any case.
+ */
+ t->_dmamap_create = alpha_sgmap_dmamap_create;
+ t->_dmamap_destroy = alpha_sgmap_dmamap_destroy;
t->_dmamap_load = _bus_dmamap_load_direct;
t->_dmamap_load_mbuf = _bus_dmamap_load_mbuf_direct;
t->_dmamap_load_uio = _bus_dmamap_load_uio_direct;