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#ifndef __BACKPORT_LINUX_SWIOTLB_H
#define __BACKPORT_LINUX_SWIOTLB_H
#include <linux/version.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28))
#include_next <linux/swiotlb.h>
#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)) */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,3,0))
#if (RHEL_RELEASE_CODE < RHEL_RELEASE_VERSION(6,4))
static inline unsigned long swiotlb_nr_tbl(void)
{
return 0;
}
#endif
#endif
#endif /* __BACKPORT_LINUX_SWIOTLB_H */
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