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authorWolfram Sang <wsa@kernel.org>2020-05-20 15:27:45 +0200
committerWolfram Sang <wsa@kernel.org>2020-05-20 15:27:45 +0200
commitf89c326dcaa0cb8c3af7764e75eeed4e3f3c879a (patch)
tree31a5967da1f04180a1a922258f6947ad17255ee8 /include/linux/vringh.h
parent6fe12cdbcfe35ad4726a619a9546822d34fc934c (diff)
parentefa7fb4c6c8e4171fd29a5935a9dc7a28e363278 (diff)
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Merge branch 'i2c/for-current-fixed' into i2c/for-5.8
Diffstat (limited to 'include/linux/vringh.h')
-rw-r--r--include/linux/vringh.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/vringh.h b/include/linux/vringh.h
index bd0503ca6f8f..9e2763d7c159 100644
--- a/include/linux/vringh.h
+++ b/include/linux/vringh.h
@@ -14,8 +14,10 @@
#include <linux/virtio_byteorder.h>
#include <linux/uio.h>
#include <linux/slab.h>
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
#include <linux/dma-direction.h>
#include <linux/vhost_iotlb.h>
+#endif
#include <asm/barrier.h>
/* virtio_ring with information needed for host access. */
@@ -254,6 +256,8 @@ static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val)
return __cpu_to_virtio64(vringh_is_little_endian(vrh), val);
}
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
+
void vringh_set_iotlb(struct vringh *vrh, struct vhost_iotlb *iotlb);
int vringh_init_iotlb(struct vringh *vrh, u64 features,
@@ -284,4 +288,6 @@ void vringh_notify_disable_iotlb(struct vringh *vrh);
int vringh_need_notify_iotlb(struct vringh *vrh);
+#endif /* CONFIG_VHOST_IOTLB */
+
#endif /* _LINUX_VRINGH_H */