diff options
Diffstat (limited to 'tools/pkg/0/mlibc/linux-headers/linux/vm_sockets.h')
| -rw-r--r-- | tools/pkg/0/mlibc/linux-headers/linux/vm_sockets.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/tools/pkg/0/mlibc/linux-headers/linux/vm_sockets.h b/tools/pkg/0/mlibc/linux-headers/linux/vm_sockets.h deleted file mode 100644 index e401160..0000000 --- a/tools/pkg/0/mlibc/linux-headers/linux/vm_sockets.h +++ /dev/null @@ -1,211 +0,0 @@ -/* 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 <sys/socket.h> /* for struct sockaddr and sa_family_t */ - -#include <linux/socket.h> -#include <linux/types.h> - -/* 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_OLD 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 - -#define SO_VM_SOCKETS_CONNECT_TIMEOUT_NEW 8 - -#if __BITS_PER_LONG == 64 || (defined(__x86_64__) && defined(__ILP32__)) -#define SO_VM_SOCKETS_CONNECT_TIMEOUT SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD -#else -#define SO_VM_SOCKETS_CONNECT_TIMEOUT \ - (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_VM_SOCKETS_CONNECT_TIMEOUT_OLD : SO_VM_SOCKETS_CONNECT_TIMEOUT_NEW) -#endif - -/* 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 - -/* Use this as the destination CID in an address when referring to the - * local communication (loopback). - * (This was VMADDR_CID_RESERVED, but even VMCI doesn't use it anymore, - * it was a legacy value from an older release). - */ - -#define VMADDR_CID_LOCAL 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 - -/* The current default use case for the vsock channel is the following: - * local vsock communication between guest and host and nested VMs setup. - * In addition to this, implicitly, the vsock packets are forwarded to the host - * if no host->guest vsock transport is set. - * - * Set this flag value in the sockaddr_vm corresponding field if the vsock - * packets need to be always forwarded to the host. Using this behavior, - * vsock communication between sibling VMs can be setup. - * - * This way can explicitly distinguish between vsock channels created for - * different use cases, such as nested VMs (or local communication between - * guest and host) and sibling VMs. - * - * The flag can be set in the connect logic in the user space application flow. - * In the listen logic (from kernel space) the flag is set on the remote peer - * address. This happens for an incoming connection when it is routed from the - * host and comes from the guest (local CID and remote CID > VMADDR_CID_HOST). - */ -#define VMADDR_FLAG_TO_HOST 0x01 - -/* 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; - __u8 svm_flags; - unsigned char svm_zero[sizeof(struct sockaddr) - - sizeof(sa_family_t) - - sizeof(unsigned short) - - sizeof(unsigned int) - - sizeof(unsigned int) - - sizeof(__u8)]; -}; - -#define IOCTL_VM_SOCKETS_GET_LOCAL_CID _IO(7, 0xb9) - -/* MSG_ZEROCOPY notifications are encoded in the standard error format, - * sock_extended_err. See Documentation/networking/msg_zerocopy.rst in - * kernel source tree for more details. - */ - -/* 'cmsg_level' field value of 'struct cmsghdr' for notification parsing - * when MSG_ZEROCOPY flag is used on transmissions. - */ - -#define SOL_VSOCK 287 - -/* 'cmsg_type' field value of 'struct cmsghdr' for notification parsing - * when MSG_ZEROCOPY flag is used on transmissions. - */ - -#define VSOCK_RECVERR 1 - -#endif /* _VM_SOCKETS_H */ |