vringh: introduce vringh_is_little_endian() helper

gkurz · mstsirkin · commit 5da7b160b36a · 2015-06-01T15:48:52.000+02:00
Signed-off-by: Greg Kurz &lt;gkurz@linux.vnet.ibm.com&gt;

Signed-off-by: Michael S. Tsirkin &lt;mst@redhat.com&gt;
Acked-by: Cornelia Huck &lt;cornelia.huck@de.ibm.com&gt;
Reviewed-by: David Gibson &lt;david@gibson.dropbear.id.au&gt;
diff --git a/include/linux/vringh.h b/include/linux/vringh.h
@@ -226,33 +226,38 @@ static inline void vringh_notify(struct vringh *vrh)
 		vrh->notify(vrh);
 }
 
+static inline bool vringh_is_little_endian(const struct vringh *vrh)
+{
+	return vrh->little_endian;
+}
+
 static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)
 {
-	return __virtio16_to_cpu(vrh->little_endian, val);
+	return __virtio16_to_cpu(vringh_is_little_endian(vrh), val);
 }
 
 static inline __virtio16 cpu_to_vringh16(const struct vringh *vrh, u16 val)
 {
-	return __cpu_to_virtio16(vrh->little_endian, val);
+	return __cpu_to_virtio16(vringh_is_little_endian(vrh), val);
 }
 
 static inline u32 vringh32_to_cpu(const struct vringh *vrh, __virtio32 val)
 {
-	return __virtio32_to_cpu(vrh->little_endian, val);
+	return __virtio32_to_cpu(vringh_is_little_endian(vrh), val);
 }
 
 static inline __virtio32 cpu_to_vringh32(const struct vringh *vrh, u32 val)
 {
-	return __cpu_to_virtio32(vrh->little_endian, val);
+	return __cpu_to_virtio32(vringh_is_little_endian(vrh), val);
 }
 
 static inline u64 vringh64_to_cpu(const struct vringh *vrh, __virtio64 val)
 {
-	return __virtio64_to_cpu(vrh->little_endian, val);
+	return __virtio64_to_cpu(vringh_is_little_endian(vrh), val);
 }
 
 static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val)
 {
-	return __cpu_to_virtio64(vrh->little_endian, val);
+	return __cpu_to_virtio64(vringh_is_little_endian(vrh), val);
 }
 #endif /* _LINUX_VRINGH_H */

Original file line number	Diff line number	Diff line change
`@@ -226,33 +226,38 @@ static inline void vringh_notify(struct vringh *vrh)`
`226`	`226`	`vrh->notify(vrh);`
`227`	`227`	`}`
`228`	`228`
	`229`	`+static inline bool vringh_is_little_endian(const struct vringh *vrh)`
	`230`	`+{`
	`231`	`+ return vrh->little_endian;`
	`232`	`+}`
	`233`	`+`
`229`	`234`	`static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)`
`230`	`235`	`{`
`231`		`- return __virtio16_to_cpu(vrh->little_endian, val);`
	`236`	`+ return __virtio16_to_cpu(vringh_is_little_endian(vrh), val);`
`232`	`237`	`}`
`233`	`238`
`234`	`239`	`static inline __virtio16 cpu_to_vringh16(const struct vringh *vrh, u16 val)`
`235`	`240`	`{`
`236`		`- return __cpu_to_virtio16(vrh->little_endian, val);`
	`241`	`+ return __cpu_to_virtio16(vringh_is_little_endian(vrh), val);`
`237`	`242`	`}`
`238`	`243`
`239`	`244`	`static inline u32 vringh32_to_cpu(const struct vringh *vrh, __virtio32 val)`
`240`	`245`	`{`
`241`		`- return __virtio32_to_cpu(vrh->little_endian, val);`
	`246`	`+ return __virtio32_to_cpu(vringh_is_little_endian(vrh), val);`
`242`	`247`	`}`
`243`	`248`
`244`	`249`	`static inline __virtio32 cpu_to_vringh32(const struct vringh *vrh, u32 val)`
`245`	`250`	`{`
`246`		`- return __cpu_to_virtio32(vrh->little_endian, val);`
	`251`	`+ return __cpu_to_virtio32(vringh_is_little_endian(vrh), val);`
`247`	`252`	`}`
`248`	`253`
`249`	`254`	`static inline u64 vringh64_to_cpu(const struct vringh *vrh, __virtio64 val)`
`250`	`255`	`{`
`251`		`- return __virtio64_to_cpu(vrh->little_endian, val);`
	`256`	`+ return __virtio64_to_cpu(vringh_is_little_endian(vrh), val);`
`252`	`257`	`}`
`253`	`258`
`254`	`259`	`static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val)`
`255`	`260`	`{`
`256`		`- return __cpu_to_virtio64(vrh->little_endian, val);`
	`261`	`+ return __cpu_to_virtio64(vringh_is_little_endian(vrh), val);`
`257`	`262`	`}`
`258`	`263`	`#endif /* _LINUX_VRINGH_H */`