1/*- 2 * Copyright (c) 2016 Microsoft Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 *
| 1/*- 2 * Copyright (c) 2016 Microsoft Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 *
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27 */ 28 29#ifndef _VMBUS_REG_H_ 30#define _VMBUS_REG_H_ 31 32#include <sys/param.h> 33 34/* 35 * Hyper-V SynIC message format. 36 */ 37 38#define VMBUS_MSG_DSIZE_MAX 240 39#define VMBUS_MSG_SIZE 256 40 41struct vmbus_message { 42 uint32_t msg_type; /* HYPERV_MSGTYPE_ */ 43 uint8_t msg_dsize; /* data size */ 44 uint8_t msg_flags; /* VMBUS_MSGFLAG_ */ 45 uint16_t msg_rsvd; 46 uint64_t msg_id; 47 uint8_t msg_data[VMBUS_MSG_DSIZE_MAX]; 48} __packed; 49CTASSERT(sizeof(struct vmbus_message) == VMBUS_MSG_SIZE); 50 51#define VMBUS_MSGFLAG_PENDING 0x01 52 53/* 54 * Hyper-V SynIC event flags 55 */ 56 57#ifdef __LP64__ 58#define VMBUS_EVTFLAGS_MAX 32 59#define VMBUS_EVTFLAG_SHIFT 6 60#else 61#define VMBUS_EVTFLAGS_MAX 64 62#define VMBUS_EVTFLAG_SHIFT 5 63#endif 64#define VMBUS_EVTFLAG_LEN (1 << VMBUS_EVTFLAG_SHIFT) 65#define VMBUS_EVTFLAG_MASK (VMBUS_EVTFLAG_LEN - 1) 66#define VMBUS_EVTFLAGS_SIZE 256 67 68struct vmbus_evtflags { 69 u_long evt_flags[VMBUS_EVTFLAGS_MAX]; 70} __packed; 71CTASSERT(sizeof(struct vmbus_evtflags) == VMBUS_EVTFLAGS_SIZE); 72 73/* 74 * Channel 75 */ 76 77#define VMBUS_CHAN_MAX_COMPAT 256 78#define VMBUS_CHAN_MAX (VMBUS_EVTFLAG_LEN * VMBUS_EVTFLAGS_MAX) 79 80/* 81 * Channel messages 82 * - Embedded in vmbus_message.msg_data, e.g. response. 83 * - Embedded in hypercall_postmsg_in.hc_data, e.g. request. 84 */ 85
| 27 */ 28 29#ifndef _VMBUS_REG_H_ 30#define _VMBUS_REG_H_ 31 32#include <sys/param.h> 33 34/* 35 * Hyper-V SynIC message format. 36 */ 37 38#define VMBUS_MSG_DSIZE_MAX 240 39#define VMBUS_MSG_SIZE 256 40 41struct vmbus_message { 42 uint32_t msg_type; /* HYPERV_MSGTYPE_ */ 43 uint8_t msg_dsize; /* data size */ 44 uint8_t msg_flags; /* VMBUS_MSGFLAG_ */ 45 uint16_t msg_rsvd; 46 uint64_t msg_id; 47 uint8_t msg_data[VMBUS_MSG_DSIZE_MAX]; 48} __packed; 49CTASSERT(sizeof(struct vmbus_message) == VMBUS_MSG_SIZE); 50 51#define VMBUS_MSGFLAG_PENDING 0x01 52 53/* 54 * Hyper-V SynIC event flags 55 */ 56 57#ifdef __LP64__ 58#define VMBUS_EVTFLAGS_MAX 32 59#define VMBUS_EVTFLAG_SHIFT 6 60#else 61#define VMBUS_EVTFLAGS_MAX 64 62#define VMBUS_EVTFLAG_SHIFT 5 63#endif 64#define VMBUS_EVTFLAG_LEN (1 << VMBUS_EVTFLAG_SHIFT) 65#define VMBUS_EVTFLAG_MASK (VMBUS_EVTFLAG_LEN - 1) 66#define VMBUS_EVTFLAGS_SIZE 256 67 68struct vmbus_evtflags { 69 u_long evt_flags[VMBUS_EVTFLAGS_MAX]; 70} __packed; 71CTASSERT(sizeof(struct vmbus_evtflags) == VMBUS_EVTFLAGS_SIZE); 72 73/* 74 * Channel 75 */ 76 77#define VMBUS_CHAN_MAX_COMPAT 256 78#define VMBUS_CHAN_MAX (VMBUS_EVTFLAG_LEN * VMBUS_EVTFLAGS_MAX) 79 80/* 81 * Channel messages 82 * - Embedded in vmbus_message.msg_data, e.g. response. 83 * - Embedded in hypercall_postmsg_in.hc_data, e.g. request. 84 */ 85
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