vmbusicreg.h revision 1.2 1 /* $NetBSD: vmbusicreg.h,v 1.2 2019/03/01 10:02:33 nonaka Exp $ */
2 /* $OpenBSD: hypervicreg.h,v 1.6 2017/11/07 16:49:42 mikeb Exp $ */
3
4 /*-
5 * Copyright (c) 2016 Microsoft Corp.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
13 * disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: head/sys/dev/hyperv/utilities/vmbus_icreg.h 305281 2016-09-02 06:23:28Z sephe $
30 */
31
32 #ifndef _VMBUSICREG_H_
33 #define _VMBUSICREG_H_
34
35 #define VMBUS_ICMSG_TYPE_NEGOTIATE 0
36 #define VMBUS_ICMSG_TYPE_HEARTBEAT 1
37 #define VMBUS_ICMSG_TYPE_KVP 2
38 #define VMBUS_ICMSG_TYPE_SHUTDOWN 3
39 #define VMBUS_ICMSG_TYPE_TIMESYNC 4
40 #define VMBUS_ICMSG_TYPE_VSS 5
41
42 #define VMBUS_ICMSG_STATUS_OK 0x00000000
43 #define VMBUS_ICMSG_STATUS_FAIL 0x80004005
44
45 #define VMBUS_IC_VERSION(major, minor) ((major) | (((uint32_t)(minor)) << 16))
46 #define VMBUS_ICVER_MAJOR(ver) ((ver) & 0xffff)
47 #define VMBUS_ICVER_MINOR(ver) (((ver) & 0xffff0000) >> 16)
48 #define VMBUS_ICVER_SWAP(ver) \
49 ((VMBUS_ICVER_MAJOR((ver)) << 16) | VMBUS_ICVER_MINOR((ver)))
50 #define VMBUS_ICVER_LE(v1, v2) \
51 (VMBUS_ICVER_SWAP((v1)) <= VMBUS_ICVER_SWAP((v2)))
52 #define VMBUS_ICVER_GT(v1, v2) \
53 (VMBUS_ICVER_SWAP((v1)) > VMBUS_ICVER_SWAP((v2)))
54
55 struct vmbus_pipe_hdr {
56 uint32_t ph_flags;
57 uint32_t ph_msgsz;
58 } __packed;
59
60 struct vmbus_icmsg_hdr {
61 struct vmbus_pipe_hdr ic_pipe;
62 uint32_t ic_fwver; /* framework version */
63 uint16_t ic_type;
64 uint32_t ic_msgver; /* message version */
65 uint16_t ic_dsize; /* data size */
66 uint32_t ic_status; /* VMBUS_ICMSG_STATUS_ */
67 uint8_t ic_tid;
68 uint8_t ic_flags; /* VMBUS_ICMSG_FLAG_ */
69 uint8_t ic_rsvd[2];
70 } __packed;
71
72 #define VMBUS_ICMSG_FLAG_TRANSACTION 1
73 #define VMBUS_ICMSG_FLAG_REQUEST 2
74 #define VMBUS_ICMSG_FLAG_RESPONSE 4
75
76 /* VMBUS_ICMSG_TYPE_NEGOTIATE */
77 struct vmbus_icmsg_negotiate {
78 struct vmbus_icmsg_hdr ic_hdr;
79 uint16_t ic_fwver_cnt;
80 uint16_t ic_msgver_cnt;
81 uint32_t ic_rsvd;
82 /*
83 * This version array contains two set of supported
84 * versions:
85 * - The first set consists of #ic_fwver_cnt supported framework
86 * versions.
87 * - The second set consists of #ic_msgver_cnt supported message
88 * versions.
89 */
90 uint32_t ic_ver[0];
91 } __packed;
92
93 /* VMBUS_ICMSG_TYPE_HEARTBEAT */
94 struct vmbus_icmsg_heartbeat {
95 struct vmbus_icmsg_hdr ic_hdr;
96 uint64_t ic_seq;
97 uint32_t ic_rsvd[8];
98 } __packed;
99
100 #define VMBUS_ICMSG_HEARTBEAT_SIZE_MIN \
101 offsetof(struct vmbus_icmsg_heartbeat, ic_rsvd[0])
102
103 /* VMBUS_ICMSG_TYPE_SHUTDOWN */
104 struct vmbus_icmsg_shutdown {
105 struct vmbus_icmsg_hdr ic_hdr;
106 uint32_t ic_code;
107 uint32_t ic_timeo;
108 uint32_t ic_haltflags;
109 uint8_t ic_msg[2048];
110 } __packed;
111
112 #define VMBUS_ICMSG_SHUTDOWN_SIZE_MIN \
113 offsetof(struct vmbus_icmsg_shutdown, ic_msg[0])
114
115 /* VMBUS_ICMSG_TYPE_TIMESYNC */
116 struct vmbus_icmsg_timesync {
117 struct vmbus_icmsg_hdr ic_hdr;
118 uint64_t ic_hvtime;
119 uint64_t ic_vmtime;
120 uint64_t ic_rtt;
121 uint8_t ic_tsflags; /* VMBUS_ICMSG_TS_FLAG_ */
122 } __packed;
123
124 /* VMBUS_ICMSG_TYPE_TIMESYNC, MSGVER4 */
125 struct vmbus_icmsg_timesync4 {
126 struct vmbus_icmsg_hdr ic_hdr;
127 uint64_t ic_hvtime;
128 uint64_t ic_sent_tc;
129 uint8_t ic_tsflags; /* VMBUS_ICMSG_TS_FLAG_ */
130 uint8_t ic_rsvd[5];
131 } __packed;
132
133 #define VMBUS_ICMSG_TS_FLAG_SYNC 0x01
134 #define VMBUS_ICMSG_TS_FLAG_SAMPLE 0x02
135
136 #define VMBUS_ICMSG_TS_BASE 116444736000000000ULL
137
138 /* Registry value types */
139 #define VMBUS_KVP_REG_SZ 1
140 #define VMBUS_KVP_REG_U32 4
141 #define VMBUS_KVP_REG_U64 8
142
143 /* Hyper-V status codes */
144 #define VMBUS_KVP_S_OK 0x00000000
145 #define VMBUS_KVP_E_FAIL 0x80004005
146 #define VMBUS_KVP_S_CONT 0x80070103
147
148 #define VMBUS_KVP_MAX_VAL_SIZE 2048
149 #define VMBUS_KVP_MAX_KEY_SIZE 512
150
151 enum vmbus_kvp_op {
152 VMBUS_KVP_OP_GET = 0,
153 VMBUS_KVP_OP_SET,
154 VMBUS_KVP_OP_DELETE,
155 VMBUS_KVP_OP_ENUMERATE,
156 VMBUS_KVP_OP_GET_IP_INFO,
157 VMBUS_KVP_OP_SET_IP_INFO,
158 VMBUS_KVP_OP_COUNT
159 };
160
161 enum vmbus_kvp_pool {
162 VMBUS_KVP_POOL_EXTERNAL = 0,
163 VMBUS_KVP_POOL_GUEST,
164 VMBUS_KVP_POOL_AUTO,
165 VMBUS_KVP_POOL_AUTO_EXTERNAL,
166 VMBUS_KVP_POOL_COUNT
167 };
168
169 union vmbus_kvp_hdr {
170 struct {
171 uint8_t kvu_op;
172 uint8_t kvu_pool;
173 uint16_t kvu_pad;
174 } req;
175 struct {
176 uint32_t kvu_err;
177 } rsp;
178 #define kvh_op req.kvu_op
179 #define kvh_pool req.kvu_pool
180 #define kvh_err rsp.kvu_err
181 } __packed;
182
183 struct vmbus_kvp_msg_val {
184 uint32_t kvm_valtype;
185 uint32_t kvm_keylen;
186 uint32_t kvm_vallen;
187 uint8_t kvm_key[VMBUS_KVP_MAX_KEY_SIZE];
188 uint8_t kvm_val[VMBUS_KVP_MAX_VAL_SIZE];
189 } __packed;
190
191 struct vmbus_kvp_msg_enum {
192 uint32_t kvm_index;
193 uint32_t kvm_valtype;
194 uint32_t kvm_keylen;
195 uint32_t kvm_vallen;
196 uint8_t kvm_key[VMBUS_KVP_MAX_KEY_SIZE];
197 uint8_t kvm_val[VMBUS_KVP_MAX_VAL_SIZE];
198 } __packed;
199
200 struct vmbus_kvp_msg_del {
201 uint32_t kvm_keylen;
202 uint8_t kvm_key[VMBUS_KVP_MAX_KEY_SIZE];
203 } __packed;
204
205 #define ADDR_FAMILY_NONE 0x00
206 #define ADDR_FAMILY_IPV4 0x01
207 #define ADDR_FAMILY_IPV6 0x02
208
209 #define MAX_MAC_ADDR_SIZE 256
210 #define MAX_IP_ADDR_SIZE 2048
211 #define MAX_GATEWAY_SIZE 1024
212
213 struct vmbus_kvp_msg_addr {
214 uint8_t kvm_mac[MAX_MAC_ADDR_SIZE];
215 uint8_t kvm_family;
216 uint8_t kvm_dhcp;
217 uint8_t kvm_addr[MAX_IP_ADDR_SIZE];
218 uint8_t kvm_netmask[MAX_IP_ADDR_SIZE];
219 uint8_t kvm_gateway[MAX_GATEWAY_SIZE];
220 uint8_t kvm_dns[MAX_IP_ADDR_SIZE];
221 } __packed;
222
223 union vmbus_kvp_msg {
224 struct vmbus_kvp_msg_val kvm_val;
225 struct vmbus_kvp_msg_enum kvm_enum;
226 struct vmbus_kvp_msg_del kvm_del;
227 };
228
229 struct vmbus_icmsg_kvp {
230 struct vmbus_icmsg_hdr ic_hdr;
231 union vmbus_kvp_hdr ic_kvh;
232 union vmbus_kvp_msg ic_kvm;
233 } __packed;
234
235 struct vmbus_icmsg_kvp_addr {
236 struct vmbus_icmsg_hdr ic_hdr;
237 struct {
238 struct {
239 uint8_t kvu_op;
240 uint8_t kvu_pool;
241 } req;
242 } ic_kvh;
243 struct vmbus_kvp_msg_addr ic_kvm;
244 } __packed;
245
246 #endif /* _VMBUSICREG_H_ */
247