GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-22 23:04:43 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

vringh: update for virtio 1.0 APIs

Browse source 
When switching everything over to virtio 1.0 memory access APIs,
I missed converting vringh.
Fortunately, it's straight-forward.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2014-12-12 01:10:49 +02:00
parent b97a8a9006
commit b9f7ac8c72
2 changed files with 107 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

33
include/linux/vringh.h
View file

@ -24,12 +24,16 @@
#ifndef _LINUX_VRINGH_H
#define _LINUX_VRINGH_H
#include <uapi/linux/virtio_ring.h>
#include <linux/virtio_byteorder.h>
#include <linux/uio.h>
#include <linux/slab.h>
#include <asm/barrier.h>
/* virtio_ring with information needed for host access. */
struct vringh {
/* Everything is little endian */
bool little_endian;
/* Guest publishes used event idx (note: we always do). */
bool event_indices;
@ -222,4 +226,33 @@ static inline void vringh_notify(struct vringh *vrh)
vrh->notify(vrh);
}
static inline u16 vringh16_to_cpu(const struct vringh *vrh, __virtio16 val)
{
return __virtio16_to_cpu(vrh->little_endian, val);
}
static inline __virtio16 cpu_to_vringh16(const struct vringh *vrh, u16 val)
{
return __cpu_to_virtio16(vrh->little_endian, val);
}
static inline u32 vringh32_to_cpu(const struct vringh *vrh, __virtio32 val)
{
return __virtio32_to_cpu(vrh->little_endian, val);
}
static inline __virtio32 cpu_to_vringh32(const struct vringh *vrh, u32 val)
{
return __cpu_to_virtio32(vrh->little_endian, val);
}
static inline u64 vringh64_to_cpu(const struct vringh *vrh, __virtio64 val)
{
return __virtio64_to_cpu(vrh->little_endian, val);
}
static inline __virtio64 cpu_to_vringh64(const struct vringh *vrh, u64 val)
{
return __cpu_to_virtio64(vrh->little_endian, val);
}
#endif /* _LINUX_VRINGH_H */