X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Flinux%2Fvm_sockets.h;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Flinux%2Fvm_sockets.h;h=f74172e0301b7911fc51e355461b36d6a5af5146;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git diff --git a/i686-linux-gnu-4.7/usr/include/linux/vm_sockets.h b/i686-linux-gnu-4.7/usr/include/linux/vm_sockets.h new file mode 100644 index 0000000..f74172e --- /dev/null +++ b/i686-linux-gnu-4.7/usr/include/linux/vm_sockets.h @@ -0,0 +1,157 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * VMware vSockets Driver + * + * Copyright (C) 2007-2013 VMware, Inc. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation version 2 and no later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef _VM_SOCKETS_H +#define _VM_SOCKETS_H + +#include + +/* Option name for STREAM socket buffer size. Use as the option name in + * setsockopt(3) or getsockopt(3) to set or get an unsigned long long that + * specifies the size of the buffer underlying a vSockets STREAM socket. + * Value is clamped to the MIN and MAX. + */ + +#define SO_VM_SOCKETS_BUFFER_SIZE 0 + +/* Option name for STREAM socket minimum buffer size. Use as the option name + * in setsockopt(3) or getsockopt(3) to set or get an unsigned long long that + * specifies the minimum size allowed for the buffer underlying a vSockets + * STREAM socket. + */ + +#define SO_VM_SOCKETS_BUFFER_MIN_SIZE 1 + +/* Option name for STREAM socket maximum buffer size. Use as the option name + * in setsockopt(3) or getsockopt(3) to set or get an unsigned long long + * that specifies the maximum size allowed for the buffer underlying a + * vSockets STREAM socket. + */ + +#define SO_VM_SOCKETS_BUFFER_MAX_SIZE 2 + +/* Option name for socket peer's host-specific VM ID. Use as the option name + * in getsockopt(3) to get a host-specific identifier for the peer endpoint's + * VM. The identifier is a signed integer. + * Only available for hypervisor endpoints. + */ + +#define SO_VM_SOCKETS_PEER_HOST_VM_ID 3 + +/* Option name for determining if a socket is trusted. Use as the option name + * in getsockopt(3) to determine if a socket is trusted. The value is a + * signed integer. + */ + +#define SO_VM_SOCKETS_TRUSTED 5 + +/* Option name for STREAM socket connection timeout. Use as the option name + * in setsockopt(3) or getsockopt(3) to set or get the connection + * timeout for a STREAM socket. + */ + +#define SO_VM_SOCKETS_CONNECT_TIMEOUT 6 + +/* Option name for using non-blocking send/receive. Use as the option name + * for setsockopt(3) or getsockopt(3) to set or get the non-blocking + * transmit/receive flag for a STREAM socket. This flag determines whether + * send() and recv() can be called in non-blocking contexts for the given + * socket. The value is a signed integer. + * + * This option is only relevant to kernel endpoints, where descheduling the + * thread of execution is not allowed, for example, while holding a spinlock. + * It is not to be confused with conventional non-blocking socket operations. + * + * Only available for hypervisor endpoints. + */ + +#define SO_VM_SOCKETS_NONBLOCK_TXRX 7 + +/* The vSocket equivalent of INADDR_ANY. This works for the svm_cid field of + * sockaddr_vm and indicates the context ID of the current endpoint. + */ + +#define VMADDR_CID_ANY -1U + +/* Bind to any available port. Works for the svm_port field of + * sockaddr_vm. + */ + +#define VMADDR_PORT_ANY -1U + +/* Use this as the destination CID in an address when referring to the + * hypervisor. VMCI relies on it being 0, but this would be useful for other + * transports too. + */ + +#define VMADDR_CID_HYPERVISOR 0 + +/* This CID is specific to VMCI and can be considered reserved (even VMCI + * doesn't use it anymore, it's a legacy value from an older release). + */ + +#define VMADDR_CID_RESERVED 1 + +/* Use this as the destination CID in an address when referring to the host + * (any process other than the hypervisor). VMCI relies on it being 2, but + * this would be useful for other transports too. + */ + +#define VMADDR_CID_HOST 2 + +/* Invalid vSockets version. */ + +#define VM_SOCKETS_INVALID_VERSION -1U + +/* The epoch (first) component of the vSockets version. A single byte + * representing the epoch component of the vSockets version. + */ + +#define VM_SOCKETS_VERSION_EPOCH(_v) (((_v) & 0xFF000000) >> 24) + +/* The major (second) component of the vSockets version. A single byte + * representing the major component of the vSockets version. Typically + * changes for every major release of a product. + */ + +#define VM_SOCKETS_VERSION_MAJOR(_v) (((_v) & 0x00FF0000) >> 16) + +/* The minor (third) component of the vSockets version. Two bytes representing + * the minor component of the vSockets version. + */ + +#define VM_SOCKETS_VERSION_MINOR(_v) (((_v) & 0x0000FFFF)) + +/* Address structure for vSockets. The address family should be set to + * AF_VSOCK. The structure members should all align on their natural + * boundaries without resorting to compiler packing directives. The total size + * of this structure should be exactly the same as that of struct sockaddr. + */ + +struct sockaddr_vm { + __kernel_sa_family_t svm_family; + unsigned short svm_reserved1; + unsigned int svm_port; + unsigned int svm_cid; + unsigned char svm_zero[sizeof(struct sockaddr) - + sizeof(sa_family_t) - + sizeof(unsigned short) - + sizeof(unsigned int) - sizeof(unsigned int)]; +}; + +#define IOCTL_VM_SOCKETS_GET_LOCAL_CID _IO(7, 0xb9) + +#endif /* _VM_SOCKETS_H */