#include <linux/types.h>
#include <linux/vmalloc.h>
-#include <asm-generic/dma-coherent.h>
-
#include <xen/xen.h>
#include <asm/xen/hypervisor.h>
{
}
-#define dma_alloc_coherent(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL)
-#define dma_free_coherent(d, s, h, f) dma_free_attrs(d, s, h, f, NULL)
-
-static inline void *dma_alloc_attrs(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t flags,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
- void *vaddr;
-
- if (dma_alloc_from_coherent(dev, size, dma_handle, &vaddr))
- return vaddr;
-
- vaddr = ops->alloc(dev, size, dma_handle, flags, attrs);
- debug_dma_alloc_coherent(dev, size, *dma_handle, vaddr);
- return vaddr;
-}
-
-static inline void dma_free_attrs(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dev_addr,
- struct dma_attrs *attrs)
-{
- struct dma_map_ops *ops = get_dma_ops(dev);
-
- if (dma_release_from_coherent(dev, get_order(size), vaddr))
- return;
-
- debug_dma_free_coherent(dev, size, vaddr, dev_addr);
- ops->free(dev, size, vaddr, dev_addr, attrs);
-}
-
/*
* There is no dma_cache_sync() implementation, so just return NULL here.
*/