freebsd-dev/sys/dev/hyperv/vmbus/hv_vmbus_priv.h
Sepherosa Ziehau 66e132bd0f hyeprv/vmbus: Rework prplist sending.
MFC after:	1 week
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D7175
2016-07-15 06:40:59 +00:00

88 lines
2.7 KiB
C

/*-
* Copyright (c) 2009-2012,2016 Microsoft Corp.
* Copyright (c) 2012 NetApp Inc.
* Copyright (c) 2012 Citrix Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef __HYPERV_PRIV_H__
#define __HYPERV_PRIV_H__
#include <sys/param.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sema.h>
#include <sys/_iovec.h>
#include <dev/hyperv/include/hyperv.h>
struct vmbus_softc;
/*
* Private, VM Bus functions
*/
struct sysctl_ctx_list;
struct sysctl_oid_list;
void hv_ring_buffer_stat(
struct sysctl_ctx_list *ctx,
struct sysctl_oid_list *tree_node,
hv_vmbus_ring_buffer_info *rbi,
const char *desc);
int hv_vmbus_ring_buffer_init(
hv_vmbus_ring_buffer_info *ring_info,
void *buffer,
uint32_t buffer_len);
void hv_ring_buffer_cleanup(
hv_vmbus_ring_buffer_info *ring_info);
int hv_ring_buffer_write(
hv_vmbus_ring_buffer_info *ring_info,
const struct iovec iov[],
uint32_t iovlen,
boolean_t *need_sig);
int hv_ring_buffer_peek(
hv_vmbus_ring_buffer_info *ring_info,
void *buffer,
uint32_t buffer_len);
int hv_ring_buffer_read(
hv_vmbus_ring_buffer_info *ring_info,
void *buffer,
uint32_t buffer_len,
uint32_t offset);
void hv_ring_buffer_read_begin(
hv_vmbus_ring_buffer_info *ring_info);
uint32_t hv_ring_buffer_read_end(
hv_vmbus_ring_buffer_info *ring_info);
#endif /* __HYPERV_PRIV_H__ */