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_TYPES_H 20 #define _LINUX_VHOST_TYPES_H 21 #include <linux/types.h> 22 #include <linux/compiler.h> 23 #include <linux/virtio_config.h> 24 #include <linux/virtio_ring.h> 25 struct vhost_vring_state { 26 unsigned int index; 27 unsigned int num; 28 }; 29 struct vhost_vring_file { 30 unsigned int index; 31 int fd; 32 }; 33 struct vhost_vring_addr { 34 unsigned int index; 35 unsigned int flags; 36 #define VHOST_VRING_F_LOG 0 37 __u64 desc_user_addr; 38 __u64 used_user_addr; 39 __u64 avail_user_addr; 40 __u64 log_guest_addr; 41 }; 42 struct vhost_iotlb_msg { 43 __u64 iova; 44 __u64 size; 45 __u64 uaddr; 46 #define VHOST_ACCESS_RO 0x1 47 #define VHOST_ACCESS_WO 0x2 48 #define VHOST_ACCESS_RW 0x3 49 __u8 perm; 50 #define VHOST_IOTLB_MISS 1 51 #define VHOST_IOTLB_UPDATE 2 52 #define VHOST_IOTLB_INVALIDATE 3 53 #define VHOST_IOTLB_ACCESS_FAIL 4 54 __u8 type; 55 }; 56 #define VHOST_IOTLB_MSG 0x1 57 #define VHOST_IOTLB_MSG_V2 0x2 58 struct vhost_msg { 59 int type; 60 union { 61 struct vhost_iotlb_msg iotlb; 62 __u8 padding[64]; 63 }; 64 }; 65 struct vhost_msg_v2 { 66 __u32 type; 67 __u32 reserved; 68 union { 69 struct vhost_iotlb_msg iotlb; 70 __u8 padding[64]; 71 }; 72 }; 73 struct vhost_memory_region { 74 __u64 guest_phys_addr; 75 __u64 memory_size; 76 __u64 userspace_addr; 77 __u64 flags_padding; 78 }; 79 #define VHOST_PAGE_SIZE 0x1000 80 struct vhost_memory { 81 __u32 nregions; 82 __u32 padding; 83 struct vhost_memory_region regions[0]; 84 }; 85 #define VHOST_SCSI_ABI_VERSION 1 86 struct vhost_scsi_target { 87 int abi_version; 88 char vhost_wwpn[224]; 89 unsigned short vhost_tpgt; 90 unsigned short reserved; 91 }; 92 #define VHOST_F_LOG_ALL 26 93 #define VHOST_NET_F_VIRTIO_NET_HDR 27 94 #endif 95