*/
static unsigned long vmw_gmr_count_descriptors(struct page *pages[],
- unsigned long num_pages)
+ unsigned long num_pages)
{
unsigned long prev_pfn = ~(0UL);
unsigned long pfn;
}
int vmw_gmr_bind(struct vmw_private *dev_priv,
- struct ttm_buffer_object *bo)
+ struct page *pages[],
+ unsigned long num_pages,
+ int gmr_id)
{
- struct ttm_tt *ttm = bo->ttm;
- unsigned long descriptors;
- int ret;
- uint32_t id;
struct list_head desc_pages;
+ int ret;
- if (!(dev_priv->capabilities & SVGA_CAP_GMR))
+ if (unlikely(!(dev_priv->capabilities & SVGA_CAP_GMR)))
return -EINVAL;
- ret = ttm_tt_populate(ttm);
- if (unlikely(ret != 0))
- return ret;
-
- descriptors = vmw_gmr_count_descriptors(ttm->pages, ttm->num_pages);
- if (unlikely(descriptors > dev_priv->max_gmr_descriptors))
+ if (vmw_gmr_count_descriptors(pages, num_pages) >
+ dev_priv->max_gmr_descriptors)
return -EINVAL;
INIT_LIST_HEAD(&desc_pages);
- ret = vmw_gmr_build_descriptors(&desc_pages, ttm->pages,
- ttm->num_pages);
- if (unlikely(ret != 0))
- return ret;
- ret = vmw_gmr_id_alloc(dev_priv, &id);
+ ret = vmw_gmr_build_descriptors(&desc_pages, pages, num_pages);
if (unlikely(ret != 0))
- goto out_no_id;
+ return ret;
- vmw_gmr_fire_descriptors(dev_priv, id, &desc_pages);
+ vmw_gmr_fire_descriptors(dev_priv, gmr_id, &desc_pages);
vmw_gmr_free_descriptors(&desc_pages);
- vmw_dmabuf_set_gmr(bo, id);
- return 0;
-out_no_id:
- vmw_gmr_free_descriptors(&desc_pages);
- return ret;
+ return 0;
}
+
void vmw_gmr_unbind(struct vmw_private *dev_priv, int gmr_id)
{
mutex_lock(&dev_priv->hw_mutex);