summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--sys/mips/mips/busdma_machdep.c128
1 files changed, 64 insertions, 64 deletions
diff --git a/sys/mips/mips/busdma_machdep.c b/sys/mips/mips/busdma_machdep.c
index 4bdfc82..93ae8d2 100644
--- a/sys/mips/mips/busdma_machdep.c
+++ b/sys/mips/mips/busdma_machdep.c
@@ -133,7 +133,7 @@ struct bus_dmamap {
struct bp_list bpages;
int pagesneeded;
int pagesreserved;
- bus_dma_tag_t dmat;
+ bus_dma_tag_t dmat;
int flags;
void *buffer;
void *origbuffer;
@@ -142,7 +142,7 @@ struct bus_dmamap {
int len;
STAILQ_ENTRY(bus_dmamap) links;
bus_dmamap_callback_t *callback;
- void *callback_arg;
+ void *callback_arg;
};
@@ -310,11 +310,11 @@ _busdma_free_dmamap(bus_dmamap_t map)
int
bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
- bus_size_t boundary, bus_addr_t lowaddr,
- bus_addr_t highaddr, bus_dma_filter_t *filter,
- void *filterarg, bus_size_t maxsize, int nsegments,
- bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc,
- void *lockfuncarg, bus_dma_tag_t *dmat)
+ bus_size_t boundary, bus_addr_t lowaddr,
+ bus_addr_t highaddr, bus_dma_filter_t *filter,
+ void *filterarg, bus_size_t maxsize, int nsegments,
+ bus_size_t maxsegsz, int flags, bus_dma_lock_t *lockfunc,
+ void *lockfuncarg, bus_dma_tag_t *dmat)
{
bus_dma_tag_t newtag;
int error = 0;
@@ -337,8 +337,8 @@ bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
newtag->highaddr = trunc_page((vm_offset_t)highaddr) + (PAGE_SIZE - 1);
newtag->filter = filter;
newtag->filterarg = filterarg;
- newtag->maxsize = maxsize;
- newtag->nsegments = nsegments;
+ newtag->maxsize = maxsize;
+ newtag->nsegments = nsegments;
newtag->maxsegsz = maxsegsz;
newtag->flags = flags;
if (cpuinfo.cache_coherent_dma)
@@ -352,28 +352,28 @@ bus_dma_tag_create(bus_dma_tag_t parent, bus_size_t alignment,
newtag->lockfunc = dflt_lock;
newtag->lockfuncarg = NULL;
}
- /*
+ /*
* Take into account any restrictions imposed by our parent tag
*/
- if (parent != NULL) {
- newtag->lowaddr = min(parent->lowaddr, newtag->lowaddr);
- newtag->highaddr = max(parent->highaddr, newtag->highaddr);
+ if (parent != NULL) {
+ newtag->lowaddr = min(parent->lowaddr, newtag->lowaddr);
+ newtag->highaddr = max(parent->highaddr, newtag->highaddr);
if (newtag->boundary == 0)
newtag->boundary = parent->boundary;
else if (parent->boundary != 0)
- newtag->boundary = min(parent->boundary,
- newtag->boundary);
+ newtag->boundary =
+ min(parent->boundary, newtag->boundary);
if ((newtag->filter != NULL) ||
((parent->flags & BUS_DMA_COULD_BOUNCE) != 0))
newtag->flags |= BUS_DMA_COULD_BOUNCE;
- if (newtag->filter == NULL) {
- /*
- * Short circuit looking at our parent directly
- * since we have encapsulated all of its information
- */
- newtag->filter = parent->filter;
- newtag->filterarg = parent->filterarg;
- newtag->parent = parent->parent;
+ if (newtag->filter == NULL) {
+ /*
+ * Short circuit looking at our parent directly
+ * since we have encapsulated all of its information
+ */
+ newtag->filter = parent->filter;
+ newtag->filterarg = parent->filterarg;
+ newtag->parent = parent->parent;
}
if (newtag->parent != NULL)
atomic_add_int(&parent->ref_count, 1);
@@ -425,29 +425,29 @@ bus_dma_tag_destroy(bus_dma_tag_t dmat)
#endif
if (dmat != NULL) {
- if (dmat->map_count != 0)
- return (EBUSY);
+ if (dmat->map_count != 0)
+ return (EBUSY);
- while (dmat != NULL) {
- bus_dma_tag_t parent;
+ while (dmat != NULL) {
+ bus_dma_tag_t parent;
- parent = dmat->parent;
- atomic_subtract_int(&dmat->ref_count, 1);
- if (dmat->ref_count == 0) {
- free(dmat, M_DEVBUF);
- /*
- * Last reference count, so
- * release our reference
- * count on our parent.
- */
- dmat = parent;
- } else
- dmat = NULL;
- }
- }
+ parent = dmat->parent;
+ atomic_subtract_int(&dmat->ref_count, 1);
+ if (dmat->ref_count == 0) {
+ free(dmat, M_DEVBUF);
+ /*
+ * Last reference count, so
+ * release our reference
+ * count on our parent.
+ */
+ dmat = parent;
+ } else
+ dmat = NULL;
+ }
+ }
CTR2(KTR_BUSDMA, "%s tag %p", __func__, dmat_copy);
- return (0);
+ return (0);
}
#include <sys/kdb.h>
@@ -553,7 +553,7 @@ bus_dmamap_destroy(bus_dma_tag_t dmat, bus_dmamap_t map)
*/
int
bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
- bus_dmamap_t *mapp)
+ bus_dmamap_t *mapp)
{
bus_dmamap_t newmap = NULL;
@@ -589,29 +589,29 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
if (flags & BUS_DMA_COHERENT)
newmap->flags |= DMAMAP_UNCACHEABLE;
- if (dmat->maxsize <= PAGE_SIZE &&
+ if (dmat->maxsize <= PAGE_SIZE &&
(dmat->alignment < dmat->maxsize) &&
!_bus_dma_can_bounce(dmat->lowaddr, dmat->highaddr) &&
!(newmap->flags & DMAMAP_UNCACHEABLE)) {
*vaddr = malloc(dmat->maxsize, M_DEVBUF, mflags);
newmap->flags |= DMAMAP_MALLOCUSED;
- } else {
- /*
- * XXX Use Contigmalloc until it is merged into this facility
- * and handles multi-seg allocations. Nobody is doing
- * multi-seg allocations yet though.
- */
- *vaddr = contigmalloc(dmat->maxsize, M_DEVBUF, mflags,
- 0ul, dmat->lowaddr, dmat->alignment? dmat->alignment : 1ul,
- dmat->boundary);
- }
- if (*vaddr == NULL) {
+ } else {
+ /*
+ * XXX Use Contigmalloc until it is merged into this facility
+ * and handles multi-seg allocations. Nobody is doing
+ * multi-seg allocations yet though.
+ */
+ *vaddr = contigmalloc(dmat->maxsize, M_DEVBUF, mflags,
+ 0ul, dmat->lowaddr, dmat->alignment? dmat->alignment : 1ul,
+ dmat->boundary);
+ }
+ if (*vaddr == NULL) {
if (newmap != NULL) {
_busdma_free_dmamap(newmap);
dmat->map_count--;
}
*mapp = NULL;
- return (ENOMEM);
+ return (ENOMEM);
}
if (newmap->flags & DMAMAP_UNCACHEABLE) {
@@ -630,7 +630,7 @@ bus_dmamem_alloc(bus_dma_tag_t dmat, void** vaddr, int flags,
} else
newmap->origbuffer = newmap->allocbuffer = NULL;
- return (0);
+ return (0);
}
/*
@@ -648,9 +648,9 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
if (map->flags & DMAMAP_UNCACHEABLE)
pmap_unmapdev((vm_offset_t)map->allocbuffer, dmat->maxsize);
- if (map->flags & DMAMAP_MALLOCUSED)
+ if (map->flags & DMAMAP_MALLOCUSED)
free(vaddr, M_DEVBUF);
- else
+ else
contigfree(vaddr, dmat->maxsize, M_DEVBUF);
dmat->map_count--;
@@ -819,10 +819,10 @@ segdone:
*/
int
bus_dmamap_load(bus_dma_tag_t dmat, bus_dmamap_t map, void *buf,
- bus_size_t buflen, bus_dmamap_callback_t *callback,
- void *callback_arg, int flags)
+ bus_size_t buflen, bus_dmamap_callback_t *callback,
+ void *callback_arg, int flags)
{
- vm_offset_t lastaddr = 0;
+ vm_offset_t lastaddr = 0;
int error, nsegs = -1;
#ifdef __CC_SUPPORTS_DYNAMIC_ARRAY_INIT
bus_dma_segment_t dm_segments[dmat->nsegments];
@@ -859,8 +859,8 @@ bus_dmamap_load(bus_dma_tag_t dmat, bus_dmamap_t map, void *buf,
*/
int
bus_dmamap_load_mbuf(bus_dma_tag_t dmat, bus_dmamap_t map, struct mbuf *m0,
- bus_dmamap_callback2_t *callback, void *callback_arg,
- int flags)
+ bus_dmamap_callback2_t *callback, void *callback_arg,
+ int flags)
{
#ifdef __CC_SUPPORTS_DYNAMIC_ARRAY_INIT
bus_dma_segment_t dm_segments[dmat->nsegments];
OpenPOWER on IntegriCloud