1a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich/**************************************************************************** 2a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich **************************************************************************** 3a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** 4a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** This header was automatically generated from a Linux kernel header 5a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** of the same name, to make information necessary for userspace to 6a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** call into the kernel available to libc. It contains only constants, 7a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** structures, and macros generated from the original header, and thus, 8a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** contains no copyrightable information. 9a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** 10a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** To edit the content of this header, modify the corresponding 11a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** source file (e.g. under external/kernel-headers/original/) then 12a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** run bionic/libc/kernel/tools/update_all.py 13a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** 14a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** Any manual change here will be lost the next time this script will 15a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** be run. You've been warned! 16a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich *** 17a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich **************************************************************************** 18a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich ****************************************************************************/ 19655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#ifndef _UAPI_LINUX_VIRTIO_RING_H 20655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define _UAPI_LINUX_VIRTIO_RING_H 2105d08e9716b5974d6ed08973f44930804890b902Christopher Ferris#include <stdint.h> 22655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <linux/types.h> 23655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 2405d08e9716b5974d6ed08973f44930804890b902Christopher Ferris#include <linux/virtio_types.h> 2505d08e9716b5974d6ed08973f44930804890b902Christopher Ferris#define VRING_DESC_F_NEXT 1 26655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define VRING_DESC_F_WRITE 2 27655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define VRING_DESC_F_INDIRECT 4 2805d08e9716b5974d6ed08973f44930804890b902Christopher Ferris/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 29655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define VRING_USED_F_NO_NOTIFY 1 30655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define VRING_AVAIL_F_NO_INTERRUPT 1 31655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define VIRTIO_RING_F_INDIRECT_DESC 28 32655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define VIRTIO_RING_F_EVENT_IDX 29 3305d08e9716b5974d6ed08973f44930804890b902Christopher Ferris/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 34655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct vring_desc { 3505d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio64 addr; 3605d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio32 len; 3705d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio16 flags; 38655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 3905d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio16 next; 40655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 41655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct vring_avail { 4205d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio16 flags; 43655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 4405d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio16 idx; 4505d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio16 ring[]; 46655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 47655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct vring_used_elem { 48655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 4905d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio32 id; 5005d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio32 len; 51655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 52655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct vring_used { 53655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 5405d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio16 flags; 5505d08e9716b5974d6ed08973f44930804890b902Christopher Ferris __virtio16 idx; 56d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct vring_used_elem ring[]; 57655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 5805d08e9716b5974d6ed08973f44930804890b902Christopher Ferris/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 59655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct vring { 60d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao unsigned int num; 61d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct vring_desc * desc; 62d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct vring_avail * avail; 6305d08e9716b5974d6ed08973f44930804890b902Christopher Ferris/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 64d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct vring_used * used; 65655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 6605d08e9716b5974d6ed08973f44930804890b902Christopher Ferris#define VRING_AVAIL_ALIGN_SIZE 2 6705d08e9716b5974d6ed08973f44930804890b902Christopher Ferris#define VRING_USED_ALIGN_SIZE 4 68655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 6905d08e9716b5974d6ed08973f44930804890b902Christopher Ferris#define VRING_DESC_ALIGN_SIZE 16 70655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define vring_used_event(vr) ((vr)->avail->ring[(vr)->num]) 7105d08e9716b5974d6ed08973f44930804890b902Christopher Ferris#define vring_avail_event(vr) (* (__virtio16 *) & (vr)->used->ring[(vr)->num]) 72a67e4de6620b570dabe0f92985228af0d0204f2cNick Kralevich#endif 7305d08e9716b5974d6ed08973f44930804890b902Christopher Ferris/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */ 74