diff options
Diffstat (limited to 'include/linux/iova_bitmap.h')
| -rw-r--r-- | include/linux/iova_bitmap.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/iova_bitmap.h b/include/linux/iova_bitmap.h index c006cf0a25f3..1c338f5e5b7a 100644 --- a/include/linux/iova_bitmap.h +++ b/include/linux/iova_bitmap.h @@ -7,6 +7,7 @@ #define _IOVA_BITMAP_H_ #include <linux/types.h> +#include <linux/errno.h> struct iova_bitmap; @@ -14,6 +15,7 @@ typedef int (*iova_bitmap_fn_t)(struct iova_bitmap *bitmap, unsigned long iova, size_t length, void *opaque); +#if IS_ENABLED(CONFIG_IOMMUFD_DRIVER) struct iova_bitmap *iova_bitmap_alloc(unsigned long iova, size_t length, unsigned long page_size, u64 __user *data); @@ -22,5 +24,29 @@ int iova_bitmap_for_each(struct iova_bitmap *bitmap, void *opaque, iova_bitmap_fn_t fn); void iova_bitmap_set(struct iova_bitmap *bitmap, unsigned long iova, size_t length); +#else +static inline struct iova_bitmap *iova_bitmap_alloc(unsigned long iova, + size_t length, + unsigned long page_size, + u64 __user *data) +{ + return NULL; +} + +static inline void iova_bitmap_free(struct iova_bitmap *bitmap) +{ +} + +static inline int iova_bitmap_for_each(struct iova_bitmap *bitmap, void *opaque, + iova_bitmap_fn_t fn) +{ + return -EOPNOTSUPP; +} + +static inline void iova_bitmap_set(struct iova_bitmap *bitmap, + unsigned long iova, size_t length) +{ +} +#endif #endif |