1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_VHOST_H 20 #define _LINUX_VHOST_H 21 #include <linux/types.h> 22 #include <linux/compiler.h> 23 #include <linux/ioctl.h> 24 #include <linux/virtio_config.h> 25 #include <linux/virtio_ring.h> 26 struct vhost_vring_state { 27 unsigned int index; 28 unsigned int num; 29 }; 30 struct vhost_vring_file { 31 unsigned int index; 32 int fd; 33 }; 34 struct vhost_vring_addr { 35 unsigned int index; 36 unsigned int flags; 37 #define VHOST_VRING_F_LOG 0 38 __u64 desc_user_addr; 39 __u64 used_user_addr; 40 __u64 avail_user_addr; 41 __u64 log_guest_addr; 42 }; 43 struct vhost_iotlb_msg { 44 __u64 iova; 45 __u64 size; 46 __u64 uaddr; 47 #define VHOST_ACCESS_RO 0x1 48 #define VHOST_ACCESS_WO 0x2 49 #define VHOST_ACCESS_RW 0x3 50 __u8 perm; 51 #define VHOST_IOTLB_MISS 1 52 #define VHOST_IOTLB_UPDATE 2 53 #define VHOST_IOTLB_INVALIDATE 3 54 #define VHOST_IOTLB_ACCESS_FAIL 4 55 __u8 type; 56 }; 57 #define VHOST_IOTLB_MSG 0x1 58 struct vhost_msg { 59 int type; 60 union { 61 struct vhost_iotlb_msg iotlb; 62 __u8 padding[64]; 63 }; 64 }; 65 struct vhost_memory_region { 66 __u64 guest_phys_addr; 67 __u64 memory_size; 68 __u64 userspace_addr; 69 __u64 flags_padding; 70 }; 71 #define VHOST_PAGE_SIZE 0x1000 72 struct vhost_memory { 73 __u32 nregions; 74 __u32 padding; 75 struct vhost_memory_region regions[0]; 76 }; 77 #define VHOST_VIRTIO 0xAF 78 #define VHOST_GET_FEATURES _IOR(VHOST_VIRTIO, 0x00, __u64) 79 #define VHOST_SET_FEATURES _IOW(VHOST_VIRTIO, 0x00, __u64) 80 #define VHOST_SET_OWNER _IO(VHOST_VIRTIO, 0x01) 81 #define VHOST_RESET_OWNER _IO(VHOST_VIRTIO, 0x02) 82 #define VHOST_SET_MEM_TABLE _IOW(VHOST_VIRTIO, 0x03, struct vhost_memory) 83 #define VHOST_SET_LOG_BASE _IOW(VHOST_VIRTIO, 0x04, __u64) 84 #define VHOST_SET_LOG_FD _IOW(VHOST_VIRTIO, 0x07, int) 85 #define VHOST_SET_VRING_NUM _IOW(VHOST_VIRTIO, 0x10, struct vhost_vring_state) 86 #define VHOST_SET_VRING_ADDR _IOW(VHOST_VIRTIO, 0x11, struct vhost_vring_addr) 87 #define VHOST_SET_VRING_BASE _IOW(VHOST_VIRTIO, 0x12, struct vhost_vring_state) 88 #define VHOST_GET_VRING_BASE _IOWR(VHOST_VIRTIO, 0x12, struct vhost_vring_state) 89 #define VHOST_VRING_LITTLE_ENDIAN 0 90 #define VHOST_VRING_BIG_ENDIAN 1 91 #define VHOST_SET_VRING_ENDIAN _IOW(VHOST_VIRTIO, 0x13, struct vhost_vring_state) 92 #define VHOST_GET_VRING_ENDIAN _IOW(VHOST_VIRTIO, 0x14, struct vhost_vring_state) 93 #define VHOST_SET_VRING_KICK _IOW(VHOST_VIRTIO, 0x20, struct vhost_vring_file) 94 #define VHOST_SET_VRING_CALL _IOW(VHOST_VIRTIO, 0x21, struct vhost_vring_file) 95 #define VHOST_SET_VRING_ERR _IOW(VHOST_VIRTIO, 0x22, struct vhost_vring_file) 96 #define VHOST_SET_VRING_BUSYLOOP_TIMEOUT _IOW(VHOST_VIRTIO, 0x23, struct vhost_vring_state) 97 #define VHOST_GET_VRING_BUSYLOOP_TIMEOUT _IOW(VHOST_VIRTIO, 0x24, struct vhost_vring_state) 98 #define VHOST_NET_SET_BACKEND _IOW(VHOST_VIRTIO, 0x30, struct vhost_vring_file) 99 #define VHOST_F_LOG_ALL 26 100 #define VHOST_NET_F_VIRTIO_NET_HDR 27 101 #define VHOST_SCSI_ABI_VERSION 1 102 struct vhost_scsi_target { 103 int abi_version; 104 char vhost_wwpn[224]; 105 unsigned short vhost_tpgt; 106 unsigned short reserved; 107 }; 108 #define VHOST_SCSI_SET_ENDPOINT _IOW(VHOST_VIRTIO, 0x40, struct vhost_scsi_target) 109 #define VHOST_SCSI_CLEAR_ENDPOINT _IOW(VHOST_VIRTIO, 0x41, struct vhost_scsi_target) 110 #define VHOST_SCSI_GET_ABI_VERSION _IOW(VHOST_VIRTIO, 0x42, int) 111 #define VHOST_SCSI_SET_EVENTS_MISSED _IOW(VHOST_VIRTIO, 0x43, __u32) 112 #define VHOST_SCSI_GET_EVENTS_MISSED _IOW(VHOST_VIRTIO, 0x44, __u32) 113 #define VHOST_VSOCK_SET_GUEST_CID _IOW(VHOST_VIRTIO, 0x60, __u64) 114 #define VHOST_VSOCK_SET_RUNNING _IOW(VHOST_VIRTIO, 0x61, int) 115 #endif 116