[PATCH v5 5/8] vhost: introduce vhost_is_little_endian() helper

2015-04-23 Thread Greg Kurz 
Signed-off-by: Greg Kurz gk...@linux.vnet.ibm.com
---
 drivers/vhost/vhost.h |   17 +++--
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 8c1c792..6a49960 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -173,34 +173,39 @@ static inline bool vhost_has_feature(struct 
vhost_virtqueue *vq, int bit)
return vq-acked_features  (1ULL  bit);
 }
 
+static inline bool vhost_is_little_endian(struct vhost_virtqueue *vq)
+{
+   return vhost_has_feature(vq, VIRTIO_F_VERSION_1);
+}
+
 /* Memory accessors */
 static inline u16 vhost16_to_cpu(struct vhost_virtqueue *vq, __virtio16 val)
 {
-   return __virtio16_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
val);
+   return __virtio16_to_cpu(vhost_is_little_endian(vq), val);
 }
 
 static inline __virtio16 cpu_to_vhost16(struct vhost_virtqueue *vq, u16 val)
 {
-   return __cpu_to_virtio16(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
val);
+   return __cpu_to_virtio16(vhost_is_little_endian(vq), val);
 }
 
 static inline u32 vhost32_to_cpu(struct vhost_virtqueue *vq, __virtio32 val)
 {
-   return __virtio32_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
val);
+   return __virtio32_to_cpu(vhost_is_little_endian(vq), val);
 }
 
 static inline __virtio32 cpu_to_vhost32(struct vhost_virtqueue *vq, u32 val)
 {
-   return __cpu_to_virtio32(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
val);
+   return __cpu_to_virtio32(vhost_is_little_endian(vq), val);
 }
 
 static inline u64 vhost64_to_cpu(struct vhost_virtqueue *vq, __virtio64 val)
 {
-   return __virtio64_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
val);
+   return __virtio64_to_cpu(vhost_is_little_endian(vq), val);
 }
 
 static inline __virtio64 cpu_to_vhost64(struct vhost_virtqueue *vq, u64 val)
 {
-   return __cpu_to_virtio64(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
val);
+   return __cpu_to_virtio64(vhost_is_little_endian(vq), val);
 }
 #endif

--
To unsubscribe from this list: send the line unsubscribe kvm in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Re: [PATCH v5 5/8] vhost: introduce vhost_is_little_endian() helper

2015-04-23 Thread Thomas Huth 
On Thu, 23 Apr 2015 17:27:05 +0200
Greg Kurz gk...@linux.vnet.ibm.com wrote:

 Signed-off-by: Greg Kurz gk...@linux.vnet.ibm.com
 ---
  drivers/vhost/vhost.h |   17 +++--
  1 file changed, 11 insertions(+), 6 deletions(-)
 
 diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
 index 8c1c792..6a49960 100644
 --- a/drivers/vhost/vhost.h
 +++ b/drivers/vhost/vhost.h
 @@ -173,34 +173,39 @@ static inline bool vhost_has_feature(struct 
 vhost_virtqueue *vq, int bit)
   return vq-acked_features  (1ULL  bit);
  }
  
 +static inline bool vhost_is_little_endian(struct vhost_virtqueue *vq)
 +{
 + return vhost_has_feature(vq, VIRTIO_F_VERSION_1);
 +}
 +
  /* Memory accessors */
  static inline u16 vhost16_to_cpu(struct vhost_virtqueue *vq, __virtio16 val)
  {
 - return __virtio16_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
 val);
 + return __virtio16_to_cpu(vhost_is_little_endian(vq), val);
  }
  
  static inline __virtio16 cpu_to_vhost16(struct vhost_virtqueue *vq, u16 val)
  {
 - return __cpu_to_virtio16(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
 val);
 + return __cpu_to_virtio16(vhost_is_little_endian(vq), val);
  }
  
  static inline u32 vhost32_to_cpu(struct vhost_virtqueue *vq, __virtio32 val)
  {
 - return __virtio32_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
 val);
 + return __virtio32_to_cpu(vhost_is_little_endian(vq), val);
  }
  
  static inline __virtio32 cpu_to_vhost32(struct vhost_virtqueue *vq, u32 val)
  {
 - return __cpu_to_virtio32(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
 val);
 + return __cpu_to_virtio32(vhost_is_little_endian(vq), val);
  }
  
  static inline u64 vhost64_to_cpu(struct vhost_virtqueue *vq, __virtio64 val)
  {
 - return __virtio64_to_cpu(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
 val);
 + return __virtio64_to_cpu(vhost_is_little_endian(vq), val);
  }
  
  static inline __virtio64 cpu_to_vhost64(struct vhost_virtqueue *vq, u64 val)
  {
 - return __cpu_to_virtio64(vhost_has_feature(vq, VIRTIO_F_VERSION_1), 
 val);
 + return __cpu_to_virtio64(vhost_is_little_endian(vq), val);
  }
  #endif

Reviewed-by: Thomas Huth th...@redhat.com
--
To unsubscribe from this list: send the line unsubscribe kvm in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html