include/uapi/linux/virtio_vsock.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/virtio_vsock.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/virtio_vsock.h
Extension
.h
Size
3363 bytes
Lines
105
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct virtio_vsock_config {
	__le64 guest_cid;
} __attribute__((packed));

enum virtio_vsock_event_id {
	VIRTIO_VSOCK_EVENT_TRANSPORT_RESET = 0,
};

struct virtio_vsock_event {
	__le32 id;
} __attribute__((packed));

struct virtio_vsock_hdr {
	__le64	src_cid;
	__le64	dst_cid;
	__le32	src_port;
	__le32	dst_port;
	__le32	len;
	__le16	type;		/* enum virtio_vsock_type */
	__le16	op;		/* enum virtio_vsock_op */
	__le32	flags;
	__le32	buf_alloc;
	__le32	fwd_cnt;
} __attribute__((packed));

enum virtio_vsock_type {
	VIRTIO_VSOCK_TYPE_STREAM = 1,
	VIRTIO_VSOCK_TYPE_SEQPACKET = 2,
};

enum virtio_vsock_op {
	VIRTIO_VSOCK_OP_INVALID = 0,

	/* Connect operations */
	VIRTIO_VSOCK_OP_REQUEST = 1,
	VIRTIO_VSOCK_OP_RESPONSE = 2,
	VIRTIO_VSOCK_OP_RST = 3,
	VIRTIO_VSOCK_OP_SHUTDOWN = 4,

	/* To send payload */
	VIRTIO_VSOCK_OP_RW = 5,

	/* Tell the peer our credit info */
	VIRTIO_VSOCK_OP_CREDIT_UPDATE = 6,
	/* Request the peer to send the credit info to us */
	VIRTIO_VSOCK_OP_CREDIT_REQUEST = 7,
};

/* VIRTIO_VSOCK_OP_SHUTDOWN flags values */
enum virtio_vsock_shutdown {
	VIRTIO_VSOCK_SHUTDOWN_RCV = 1,
	VIRTIO_VSOCK_SHUTDOWN_SEND = 2,
};

/* VIRTIO_VSOCK_OP_RW flags values */
enum virtio_vsock_rw {
	VIRTIO_VSOCK_SEQ_EOM = 1,
	VIRTIO_VSOCK_SEQ_EOR = 2,
};

#endif /* _UAPI_LINUX_VIRTIO_VSOCK_H */

Annotation

Implementation Notes