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Diffstat (limited to 'bsd-core/drm_scatter.c')
-rw-r--r--bsd-core/drm_scatter.c39
1 files changed, 24 insertions, 15 deletions
diff --git a/bsd-core/drm_scatter.c b/bsd-core/drm_scatter.c
index 9dc280a4..46222f18 100644
--- a/bsd-core/drm_scatter.c
+++ b/bsd-core/drm_scatter.c
@@ -40,28 +40,20 @@ void drm_sg_cleanup(drm_sg_mem_t *entry)
free(entry, M_DRM);
}
-int drm_sg_alloc(DRM_IOCTL_ARGS)
+int drm_sg_alloc(drm_device_t * dev, drm_scatter_gather_t * request)
{
- DRM_DEVICE;
- drm_scatter_gather_t request;
drm_sg_mem_t *entry;
unsigned long pages;
- int i;
-
- DRM_DEBUG( "%s\n", __FUNCTION__ );
if ( dev->sg )
return EINVAL;
- DRM_COPY_FROM_USER_IOCTL(request, (drm_scatter_gather_t *)data,
- sizeof(request) );
-
entry = malloc(sizeof(*entry), M_DRM, M_WAITOK | M_ZERO);
if ( !entry )
return ENOMEM;
pages = round_page(request.size) / PAGE_SIZE;
- DRM_DEBUG( "sg size=%ld pages=%ld\n", request.size, pages );
+ DRM_DEBUG( "sg size=%ld pages=%ld\n", request->size, pages );
entry->pages = pages;
@@ -86,11 +78,7 @@ int drm_sg_alloc(DRM_IOCTL_ARGS)
DRM_DEBUG( "sg alloc handle = %08lx\n", entry->handle );
entry->virtual = (void *)entry->handle;
- request.handle = entry->handle;
-
- DRM_COPY_TO_USER_IOCTL( (drm_scatter_gather_t *)data,
- request,
- sizeof(request) );
+ request->handle = entry->handle;
DRM_LOCK();
if (dev->sg) {
@@ -101,6 +89,27 @@ int drm_sg_alloc(DRM_IOCTL_ARGS)
dev->sg = entry;
DRM_UNLOCK();
+}
+
+int drm_sg_alloc_ioctl(DRM_IOCTL_ARGS)
+{
+ DRM_DEVICE;
+ drm_scatter_gather_t request;
+ int ret;
+
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
+
+ DRM_COPY_FROM_USER_IOCTL(request, (drm_scatter_gather_t *)data,
+ sizeof(request) );
+
+ ret = drm_sg_alloc(dev, &request);
+ if ( ret ) return ret;
+
+ DRM_COPY_TO_USER_IOCTL( (drm_scatter_gather_t *)data,
+ request,
+ sizeof(request) );
+
return 0;
}