diff options
Diffstat (limited to '9/platforms/android-21/arch-mips/usr/include/linux/virtio_ring.h')
-rw-r--r-- | 9/platforms/android-21/arch-mips/usr/include/linux/virtio_ring.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/9/platforms/android-21/arch-mips/usr/include/linux/virtio_ring.h b/9/platforms/android-21/arch-mips/usr/include/linux/virtio_ring.h new file mode 100644 index 0000000..05740e7 --- /dev/null +++ b/9/platforms/android-21/arch-mips/usr/include/linux/virtio_ring.h @@ -0,0 +1,66 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + *** To edit the content of this header, modify the corresponding + *** source file (e.g. under external/kernel-headers/original/) then + *** run bionic/libc/kernel/tools/update_all.py + *** + *** Any manual change here will be lost the next time this script will + *** be run. You've been warned! + *** + **************************************************************************** + ****************************************************************************/ +#ifndef _UAPI_LINUX_VIRTIO_RING_H +#define _UAPI_LINUX_VIRTIO_RING_H +#include <linux/types.h> +#define VRING_DESC_F_NEXT 1 +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ +#define VRING_DESC_F_WRITE 2 +#define VRING_DESC_F_INDIRECT 4 +#define VRING_USED_F_NO_NOTIFY 1 +#define VRING_AVAIL_F_NO_INTERRUPT 1 +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ +#define VIRTIO_RING_F_INDIRECT_DESC 28 +#define VIRTIO_RING_F_EVENT_IDX 29 +struct vring_desc { + __u64 addr; +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + __u32 len; + __u16 flags; + __u16 next; +}; +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ +struct vring_avail { + __u16 flags; + __u16 idx; + __u16 ring[]; +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ +}; +struct vring_used_elem { + __u32 id; + __u32 len; +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ +}; +struct vring_used { + __u16 flags; + __u16 idx; +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + struct vring_used_elem ring[]; +}; +struct vring { + unsigned int num; +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ + struct vring_desc *desc; + struct vring_avail *avail; + struct vring_used *used; +}; +/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ +#define vring_used_event(vr) ((vr)->avail->ring[(vr)->num]) +#define vring_avail_event(vr) (*(__u16 *)&(vr)->used->ring[(vr)->num]) +#endif |