vmbusicreg.h revision 1.1 1 /* $NetBSD: vmbusicreg.h,v 1.1 2019/02/15 08:54:02 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_IC_BUFRINGSIZE (4 * PAGE_SIZE)
36
37 #define VMBUS_ICMSG_TYPE_NEGOTIATE 0
38 #define VMBUS_ICMSG_TYPE_HEARTBEAT 1
39 #define VMBUS_ICMSG_TYPE_KVP 2
40 #define VMBUS_ICMSG_TYPE_SHUTDOWN 3
41 #define VMBUS_ICMSG_TYPE_TIMESYNC 4
42 #define VMBUS_ICMSG_TYPE_VSS 5
43
44 #define VMBUS_ICMSG_STATUS_OK 0x00000000
45 #define VMBUS_ICMSG_STATUS_FAIL 0x80004005
46
47 #define VMBUS_IC_VERSION(major, minor) ((major) | (((uint32_t)(minor)) << 16))
48 #define VMBUS_ICVER_MAJOR(ver) ((ver) & 0xffff)
49 #define VMBUS_ICVER_MINOR(ver) (((ver) & 0xffff0000) >> 16)
50 #define VMBUS_ICVER_SWAP(ver) \
51 ((VMBUS_ICVER_MAJOR((ver)) << 16) | VMBUS_ICVER_MINOR((ver)))
52 #define VMBUS_ICVER_LE(v1, v2) \
53 (VMBUS_ICVER_SWAP((v1)) <= VMBUS_ICVER_SWAP((v2)))
54 #define VMBUS_ICVER_GT(v1, v2) \
55 (VMBUS_ICVER_SWAP((v1)) > VMBUS_ICVER_SWAP((v2)))
56
57 struct vmbus_pipe_hdr {
58 uint32_t ph_flags;
59 uint32_t ph_msgsz;
60 } __packed;
61
62 struct vmbus_icmsg_hdr {
63 struct vmbus_pipe_hdr ic_pipe;
64 uint32_t ic_fwver; /* framework version */
65 uint16_t ic_type;
66 uint32_t ic_msgver; /* message version */
67 uint16_t ic_dsize; /* data size */
68 uint32_t ic_status; /* VMBUS_ICMSG_STATUS_ */
69 uint8_t ic_tid;
70 uint8_t ic_flags; /* VMBUS_ICMSG_FLAG_ */
71 uint8_t ic_rsvd[2];
72 } __packed;
73
74 #define VMBUS_ICMSG_FLAG_TRANSACTION 1
75 #define VMBUS_ICMSG_FLAG_REQUEST 2
76 #define VMBUS_ICMSG_FLAG_RESPONSE 4
77
78 /* VMBUS_ICMSG_TYPE_NEGOTIATE */
79 struct vmbus_icmsg_negotiate {
80 struct vmbus_icmsg_hdr ic_hdr;
81 uint16_t ic_fwver_cnt;
82 uint16_t ic_msgver_cnt;
83 uint32_t ic_rsvd;
84 /*
85 * This version array contains two set of supported
86 * versions:
87 * - The first set consists of #ic_fwver_cnt supported framework
88 * versions.
89 * - The second set consists of #ic_msgver_cnt supported message
90 * versions.
91 */
92 uint32_t ic_ver[0];
93 } __packed;
94
95 /* VMBUS_ICMSG_TYPE_HEARTBEAT */
96 struct vmbus_icmsg_heartbeat {
97 struct vmbus_icmsg_hdr ic_hdr;
98 uint64_t ic_seq;
99 uint32_t ic_rsvd[8];
100 } __packed;
101
102 #define VMBUS_ICMSG_HEARTBEAT_SIZE_MIN \
103 offsetof(struct vmbus_icmsg_heartbeat, ic_rsvd[0])
104
105 /* VMBUS_ICMSG_TYPE_SHUTDOWN */
106 struct vmbus_icmsg_shutdown {
107 struct vmbus_icmsg_hdr ic_hdr;
108 uint32_t ic_code;
109 uint32_t ic_timeo;
110 uint32_t ic_haltflags;
111 uint8_t ic_msg[2048];
112 } __packed;
113
114 #define VMBUS_ICMSG_SHUTDOWN_SIZE_MIN \
115 offsetof(struct vmbus_icmsg_shutdown, ic_msg[0])
116
117 /* VMBUS_ICMSG_TYPE_TIMESYNC */
118 struct vmbus_icmsg_timesync {
119 struct vmbus_icmsg_hdr ic_hdr;
120 uint64_t ic_hvtime;
121 uint64_t ic_vmtime;
122 uint64_t ic_rtt;
123 uint8_t ic_tsflags; /* VMBUS_ICMSG_TS_FLAG_ */
124 } __packed;
125
126 /* VMBUS_ICMSG_TYPE_TIMESYNC, MSGVER4 */
127 struct vmbus_icmsg_timesync4 {
128 struct vmbus_icmsg_hdr ic_hdr;
129 uint64_t ic_hvtime;
130 uint64_t ic_sent_tc;
131 uint8_t ic_tsflags; /* VMBUS_ICMSG_TS_FLAG_ */
132 uint8_t ic_rsvd[5];
133 } __packed;
134
135 #define VMBUS_ICMSG_TS_FLAG_SYNC 0x01
136 #define VMBUS_ICMSG_TS_FLAG_SAMPLE 0x02
137
138 #define VMBUS_ICMSG_TS_BASE 116444736000000000ULL
139
140 /* Registry value types */
141 #define VMBUS_KVP_REG_SZ 1
142 #define VMBUS_KVP_REG_U32 4
143 #define VMBUS_KVP_REG_U64 8
144
145 /* Hyper-V status codes */
146 #define VMBUS_KVP_S_OK 0x00000000
147 #define VMBUS_KVP_E_FAIL 0x80004005
148 #define VMBUS_KVP_S_CONT 0x80070103
149
150 #define VMBUS_KVP_MAX_VAL_SIZE 2048
151 #define VMBUS_KVP_MAX_KEY_SIZE 512
152
153 enum vmbus_kvp_op {
154 VMBUS_KVP_OP_GET = 0,
155 VMBUS_KVP_OP_SET,
156 VMBUS_KVP_OP_DELETE,
157 VMBUS_KVP_OP_ENUMERATE,
158 VMBUS_KVP_OP_GET_IP_INFO,
159 VMBUS_KVP_OP_SET_IP_INFO,
160 VMBUS_KVP_OP_COUNT
161 };
162
163 enum vmbus_kvp_pool {
164 VMBUS_KVP_POOL_EXTERNAL = 0,
165 VMBUS_KVP_POOL_GUEST,
166 VMBUS_KVP_POOL_AUTO,
167 VMBUS_KVP_POOL_AUTO_EXTERNAL,
168 VMBUS_KVP_POOL_COUNT
169 };
170
171 union vmbus_kvp_hdr {
172 struct {
173 uint8_t kvu_op;
174 uint8_t kvu_pool;
175 uint16_t kvu_pad;
176 } req;
177 struct {
178 uint32_t kvu_err;
179 } rsp;
180 #define kvh_op req.kvu_op
181 #define kvh_pool req.kvu_pool
182 #define kvh_err rsp.kvu_err
183 } __packed;
184
185 struct vmbus_kvp_msg_val {
186 uint32_t kvm_valtype;
187 uint32_t kvm_keylen;
188 uint32_t kvm_vallen;
189 uint8_t kvm_key[VMBUS_KVP_MAX_KEY_SIZE];
190 uint8_t kvm_val[VMBUS_KVP_MAX_VAL_SIZE];
191 } __packed;
192
193 struct vmbus_kvp_msg_enum {
194 uint32_t kvm_index;
195 uint32_t kvm_valtype;
196 uint32_t kvm_keylen;
197 uint32_t kvm_vallen;
198 uint8_t kvm_key[VMBUS_KVP_MAX_KEY_SIZE];
199 uint8_t kvm_val[VMBUS_KVP_MAX_VAL_SIZE];
200 } __packed;
201
202 struct vmbus_kvp_msg_del {
203 uint32_t kvm_keylen;
204 uint8_t kvm_key[VMBUS_KVP_MAX_KEY_SIZE];
205 } __packed;
206
207 #define ADDR_FAMILY_NONE 0x00
208 #define ADDR_FAMILY_IPV4 0x01
209 #define ADDR_FAMILY_IPV6 0x02
210
211 #define MAX_MAC_ADDR_SIZE 256
212 #define MAX_IP_ADDR_SIZE 2048
213 #define MAX_GATEWAY_SIZE 1024
214
215 struct vmbus_kvp_msg_addr {
216 uint8_t kvm_mac[MAX_MAC_ADDR_SIZE];
217 uint8_t kvm_family;
218 uint8_t kvm_dhcp;
219 uint8_t kvm_addr[MAX_IP_ADDR_SIZE];
220 uint8_t kvm_netmask[MAX_IP_ADDR_SIZE];
221 uint8_t kvm_gateway[MAX_GATEWAY_SIZE];
222 uint8_t kvm_dns[MAX_IP_ADDR_SIZE];
223 } __packed;
224
225 union vmbus_kvp_msg {
226 struct vmbus_kvp_msg_val kvm_val;
227 struct vmbus_kvp_msg_enum kvm_enum;
228 struct vmbus_kvp_msg_del kvm_del;
229 };
230
231 struct vmbus_icmsg_kvp {
232 struct vmbus_icmsg_hdr ic_hdr;
233 union vmbus_kvp_hdr ic_kvh;
234 union vmbus_kvp_msg ic_kvm;
235 } __packed;
236
237 struct vmbus_icmsg_kvp_addr {
238 struct vmbus_icmsg_hdr ic_hdr;
239 struct {
240 struct {
241 uint8_t kvu_op;
242 uint8_t kvu_pool;
243 } req;
244 } ic_kvh;
245 struct vmbus_kvp_msg_addr ic_kvm;
246 } __packed;
247
248 #endif /* _VMBUSICREG_H_ */
249