1*8f555c7dSSepherosa Ziehau /*- 2*8f555c7dSSepherosa Ziehau * Copyright (c) 2016 Microsoft Corp. 3*8f555c7dSSepherosa Ziehau * All rights reserved. 4*8f555c7dSSepherosa Ziehau * 5*8f555c7dSSepherosa Ziehau * Redistribution and use in source and binary forms, with or without 6*8f555c7dSSepherosa Ziehau * modification, are permitted provided that the following conditions 7*8f555c7dSSepherosa Ziehau * are met: 8*8f555c7dSSepherosa Ziehau * 1. Redistributions of source code must retain the above copyright 9*8f555c7dSSepherosa Ziehau * notice unmodified, this list of conditions, and the following 10*8f555c7dSSepherosa Ziehau * disclaimer. 11*8f555c7dSSepherosa Ziehau * 2. Redistributions in binary form must reproduce the above copyright 12*8f555c7dSSepherosa Ziehau * notice, this list of conditions and the following disclaimer in the 13*8f555c7dSSepherosa Ziehau * documentation and/or other materials provided with the distribution. 14*8f555c7dSSepherosa Ziehau * 15*8f555c7dSSepherosa Ziehau * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16*8f555c7dSSepherosa Ziehau * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17*8f555c7dSSepherosa Ziehau * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18*8f555c7dSSepherosa Ziehau * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19*8f555c7dSSepherosa Ziehau * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20*8f555c7dSSepherosa Ziehau * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21*8f555c7dSSepherosa Ziehau * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22*8f555c7dSSepherosa Ziehau * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23*8f555c7dSSepherosa Ziehau * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24*8f555c7dSSepherosa Ziehau * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25*8f555c7dSSepherosa Ziehau * 26*8f555c7dSSepherosa Ziehau * $FreeBSD$ 27*8f555c7dSSepherosa Ziehau */ 28*8f555c7dSSepherosa Ziehau 29*8f555c7dSSepherosa Ziehau #ifndef _VMBUS_ICREG_H_ 30*8f555c7dSSepherosa Ziehau #define _VMBUS_ICREG_H_ 31*8f555c7dSSepherosa Ziehau 32*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_TYPE_NEGOTIATE 0 33*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_TYPE_HEARTBEAT 1 34*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_TYPE_KVP 2 35*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_TYPE_SHUTDOWN 3 36*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_TYPE_TIMESYNC 4 37*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_TYPE_VSS 5 38*8f555c7dSSepherosa Ziehau 39*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_STATUS_OK 0x00000000 40*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_STATUS_FAIL 0x80004005 41*8f555c7dSSepherosa Ziehau 42*8f555c7dSSepherosa Ziehau #define VMBUS_IC_VERSION(major, minor) ((major) | (((uint32_t)(minor)) << 16)) 43*8f555c7dSSepherosa Ziehau #define VMBUS_ICVER_MAJOR(ver) ((ver) & 0xffff) 44*8f555c7dSSepherosa Ziehau #define VMBUS_ICVER_MINOR(ver) (((ver) & 0xffff0000) >> 16) 45*8f555c7dSSepherosa Ziehau 46*8f555c7dSSepherosa Ziehau struct vmbus_pipe_hdr { 47*8f555c7dSSepherosa Ziehau uint32_t ph_flags; 48*8f555c7dSSepherosa Ziehau uint32_t ph_msgsz; 49*8f555c7dSSepherosa Ziehau } __packed; 50*8f555c7dSSepherosa Ziehau 51*8f555c7dSSepherosa Ziehau struct vmbus_icmsg_hdr { 52*8f555c7dSSepherosa Ziehau struct vmbus_pipe_hdr ic_pipe; 53*8f555c7dSSepherosa Ziehau uint32_t ic_fwver; /* framework version */ 54*8f555c7dSSepherosa Ziehau uint16_t ic_type; 55*8f555c7dSSepherosa Ziehau uint32_t ic_msgver; /* message version */ 56*8f555c7dSSepherosa Ziehau uint16_t ic_dsize; /* data size */ 57*8f555c7dSSepherosa Ziehau uint32_t ic_status; /* VMBUS_ICMSG_STATUS_ */ 58*8f555c7dSSepherosa Ziehau uint8_t ic_xactid; 59*8f555c7dSSepherosa Ziehau uint8_t ic_flags; /* VMBUS_ICMSG_FLAG_ */ 60*8f555c7dSSepherosa Ziehau uint8_t ic_rsvd[2]; 61*8f555c7dSSepherosa Ziehau } __packed; 62*8f555c7dSSepherosa Ziehau 63*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_FLAG_XACT 0x0001 64*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_FLAG_REQ 0x0002 65*8f555c7dSSepherosa Ziehau #define VMBUS_ICMSG_FLAG_RESP 0x0004 66*8f555c7dSSepherosa Ziehau 67*8f555c7dSSepherosa Ziehau /* VMBUS_ICMSG_TYPE_NEGOTIATE */ 68*8f555c7dSSepherosa Ziehau struct vmbus_icmsg_negotiate { 69*8f555c7dSSepherosa Ziehau struct vmbus_icmsg_hdr ic_hdr; 70*8f555c7dSSepherosa Ziehau uint16_t ic_fwver_cnt; 71*8f555c7dSSepherosa Ziehau uint16_t ic_msgver_cnt; 72*8f555c7dSSepherosa Ziehau uint32_t ic_rsvd; 73*8f555c7dSSepherosa Ziehau /* 74*8f555c7dSSepherosa Ziehau * This version array contains two set of supported 75*8f555c7dSSepherosa Ziehau * versions: 76*8f555c7dSSepherosa Ziehau * - The first set consists of #ic_fwver_cnt supported framework 77*8f555c7dSSepherosa Ziehau * versions. 78*8f555c7dSSepherosa Ziehau * - The second set consists of #ic_msgver_cnt supported message 79*8f555c7dSSepherosa Ziehau * versions. 80*8f555c7dSSepherosa Ziehau */ 81*8f555c7dSSepherosa Ziehau uint32_t ic_ver[]; 82*8f555c7dSSepherosa Ziehau } __packed; 83*8f555c7dSSepherosa Ziehau 84*8f555c7dSSepherosa Ziehau #endif /* !_VMBUS_ICREG_H_ */ 85