fa4828b0ab
And fix message processing; only channel messages are supported. MFC after: 1 week Sponsored by: Microsoft OSTC Differential Revision: https://reviews.freebsd.org/D6706
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*-
|
|
* Copyright (c) 2016 Microsoft Corp.
|
|
* 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 _VMBUS_REG_H_
|
|
#define _VMBUS_REG_H_
|
|
|
|
#include <sys/param.h>
|
|
|
|
/*
|
|
* Hyper-V SynIC message format.
|
|
*/
|
|
|
|
#define VMBUS_MSG_DSIZE_MAX 240
|
|
#define VMBUS_MSG_SIZE 256
|
|
|
|
struct vmbus_message {
|
|
uint32_t msg_type; /* VMBUS_MSGTYPE_ */
|
|
uint8_t msg_dsize; /* data size */
|
|
uint8_t msg_flags; /* VMBUS_MSGFLAG_ */
|
|
uint16_t msg_rsvd;
|
|
uint64_t msg_id;
|
|
uint8_t msg_data[VMBUS_MSG_DSIZE_MAX];
|
|
} __packed;
|
|
CTASSERT(sizeof(struct vmbus_message) == VMBUS_MSG_SIZE);
|
|
|
|
#define VMBUS_MSGTYPE_NONE 0
|
|
#define VMBUS_MSGTYPE_CHANNEL 1
|
|
#define VMBUS_MSGTYPE_TIMER_EXPIRED 0x80000010
|
|
|
|
#define VMBUS_MSGFLAG_PENDING 0x01
|
|
|
|
/*
|
|
* Hyper-V SynIC event flags
|
|
*/
|
|
|
|
#ifdef __LP64__
|
|
#define VMBUS_EVTFLAGS_MAX 32
|
|
#define VMBUS_EVTFLAG_SHIFT 6
|
|
#else
|
|
#define VMBUS_EVTFLAGS_MAX 64
|
|
#define VMBUS_EVTFLAG_SHIFT 5
|
|
#endif
|
|
#define VMBUS_EVTFLAG_LEN (1 << VMBUS_EVTFLAG_SHIFT)
|
|
#define VMBUS_EVTFLAGS_SIZE 256
|
|
|
|
struct vmbus_evtflags {
|
|
u_long evt_flags[VMBUS_EVTFLAGS_MAX];
|
|
} __packed;
|
|
CTASSERT(sizeof(struct vmbus_evtflags) == VMBUS_EVTFLAGS_SIZE);
|
|
|
|
/*
|
|
* Channel
|
|
*/
|
|
|
|
#define VMBUS_CHAN_MAX_COMPAT 256
|
|
#define VMBUS_CHAN_MAX (VMBUS_EVTFLAG_LEN * VMBUS_EVTFLAGS_MAX)
|
|
|
|
#endif /* !_VMBUS_REG_H_ */
|