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1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2 #ifndef _RDMA_NETLINK_H
3 #define _RDMA_NETLINK_H
4 
5 #include <linux/types.h>
6 
7 enum {
8 	RDMA_NL_RDMA_CM = 1,
9 	RDMA_NL_IWCM,
10 	RDMA_NL_RSVD,
11 	RDMA_NL_LS,	/* RDMA Local Services */
12 	RDMA_NL_NLDEV,	/* RDMA device interface */
13 	RDMA_NL_NUM_CLIENTS
14 };
15 
16 enum {
17 	RDMA_NL_GROUP_CM = 1,
18 	RDMA_NL_GROUP_IWPM,
19 	RDMA_NL_GROUP_LS,
20 	RDMA_NL_NUM_GROUPS
21 };
22 
23 #define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
24 #define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
25 #define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
26 
27 enum {
28 	RDMA_NL_RDMA_CM_ID_STATS = 0,
29 	RDMA_NL_RDMA_CM_NUM_OPS
30 };
31 
32 enum {
33 	RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1,
34 	RDMA_NL_RDMA_CM_ATTR_DST_ADDR,
35 	RDMA_NL_RDMA_CM_NUM_ATTR,
36 };
37 
38 /* iwarp port mapper op-codes */
39 enum {
40 	RDMA_NL_IWPM_REG_PID = 0,
41 	RDMA_NL_IWPM_ADD_MAPPING,
42 	RDMA_NL_IWPM_QUERY_MAPPING,
43 	RDMA_NL_IWPM_REMOVE_MAPPING,
44 	RDMA_NL_IWPM_REMOTE_INFO,
45 	RDMA_NL_IWPM_HANDLE_ERR,
46 	RDMA_NL_IWPM_MAPINFO,
47 	RDMA_NL_IWPM_MAPINFO_NUM,
48 	RDMA_NL_IWPM_NUM_OPS
49 };
50 
51 struct rdma_cm_id_stats {
52 	__u32	qp_num;
53 	__u32	bound_dev_if;
54 	__u32	port_space;
55 	__s32	pid;
56 	__u8	cm_state;
57 	__u8	node_type;
58 	__u8	port_num;
59 	__u8	qp_type;
60 };
61 
62 enum {
63 	IWPM_NLA_REG_PID_UNSPEC = 0,
64 	IWPM_NLA_REG_PID_SEQ,
65 	IWPM_NLA_REG_IF_NAME,
66 	IWPM_NLA_REG_IBDEV_NAME,
67 	IWPM_NLA_REG_ULIB_NAME,
68 	IWPM_NLA_REG_PID_MAX
69 };
70 
71 enum {
72 	IWPM_NLA_RREG_PID_UNSPEC = 0,
73 	IWPM_NLA_RREG_PID_SEQ,
74 	IWPM_NLA_RREG_IBDEV_NAME,
75 	IWPM_NLA_RREG_ULIB_NAME,
76 	IWPM_NLA_RREG_ULIB_VER,
77 	IWPM_NLA_RREG_PID_ERR,
78 	IWPM_NLA_RREG_PID_MAX
79 
80 };
81 
82 enum {
83 	IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
84 	IWPM_NLA_MANAGE_MAPPING_SEQ,
85 	IWPM_NLA_MANAGE_ADDR,
86 	IWPM_NLA_MANAGE_MAPPED_LOC_ADDR,
87 	IWPM_NLA_RMANAGE_MAPPING_ERR,
88 	IWPM_NLA_RMANAGE_MAPPING_MAX
89 };
90 
91 #define IWPM_NLA_MANAGE_MAPPING_MAX 3
92 #define IWPM_NLA_QUERY_MAPPING_MAX  4
93 #define IWPM_NLA_MAPINFO_SEND_MAX   3
94 
95 enum {
96 	IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
97 	IWPM_NLA_QUERY_MAPPING_SEQ,
98 	IWPM_NLA_QUERY_LOCAL_ADDR,
99 	IWPM_NLA_QUERY_REMOTE_ADDR,
100 	IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
101 	IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
102 	IWPM_NLA_RQUERY_MAPPING_ERR,
103 	IWPM_NLA_RQUERY_MAPPING_MAX
104 };
105 
106 enum {
107 	IWPM_NLA_MAPINFO_REQ_UNSPEC = 0,
108 	IWPM_NLA_MAPINFO_ULIB_NAME,
109 	IWPM_NLA_MAPINFO_ULIB_VER,
110 	IWPM_NLA_MAPINFO_REQ_MAX
111 };
112 
113 enum {
114 	IWPM_NLA_MAPINFO_UNSPEC = 0,
115 	IWPM_NLA_MAPINFO_LOCAL_ADDR,
116 	IWPM_NLA_MAPINFO_MAPPED_ADDR,
117 	IWPM_NLA_MAPINFO_MAX
118 };
119 
120 enum {
121 	IWPM_NLA_MAPINFO_NUM_UNSPEC = 0,
122 	IWPM_NLA_MAPINFO_SEQ,
123 	IWPM_NLA_MAPINFO_SEND_NUM,
124 	IWPM_NLA_MAPINFO_ACK_NUM,
125 	IWPM_NLA_MAPINFO_NUM_MAX
126 };
127 
128 enum {
129 	IWPM_NLA_ERR_UNSPEC = 0,
130 	IWPM_NLA_ERR_SEQ,
131 	IWPM_NLA_ERR_CODE,
132 	IWPM_NLA_ERR_MAX
133 };
134 
135 /*
136  * Local service operations:
137  *   RESOLVE - The client requests the local service to resolve a path.
138  *   SET_TIMEOUT - The local service requests the client to set the timeout.
139  *   IP_RESOLVE - The client requests the local service to resolve an IP to GID.
140  */
141 enum {
142 	RDMA_NL_LS_OP_RESOLVE = 0,
143 	RDMA_NL_LS_OP_SET_TIMEOUT,
144 	RDMA_NL_LS_OP_IP_RESOLVE,
145 	RDMA_NL_LS_NUM_OPS
146 };
147 
148 /* Local service netlink message flags */
149 #define RDMA_NL_LS_F_ERR	0x0100	/* Failed response */
150 
151 /*
152  * Local service resolve operation family header.
153  * The layout for the resolve operation:
154  *    nlmsg header
155  *    family header
156  *    attributes
157  */
158 
159 /*
160  * Local service path use:
161  * Specify how the path(s) will be used.
162  *   ALL - For connected CM operation (6 pathrecords)
163  *   UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
164  *   GMP - For miscellaneous GMP like operation (at least 1 reversible
165  *         pathrecord)
166  */
167 enum {
168 	LS_RESOLVE_PATH_USE_ALL = 0,
169 	LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
170 	LS_RESOLVE_PATH_USE_GMP,
171 	LS_RESOLVE_PATH_USE_MAX
172 };
173 
174 #define LS_DEVICE_NAME_MAX 64
175 
176 struct rdma_ls_resolve_header {
177 	__u8 device_name[LS_DEVICE_NAME_MAX];
178 	__u8 port_num;
179 	__u8 path_use;
180 };
181 
182 struct rdma_ls_ip_resolve_header {
183 	__u32 ifindex;
184 };
185 
186 /* Local service attribute type */
187 #define RDMA_NLA_F_MANDATORY	(1 << 13)
188 #define RDMA_NLA_TYPE_MASK	(~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
189 				  RDMA_NLA_F_MANDATORY))
190 
191 /*
192  * Local service attributes:
193  *   Attr Name       Size                       Byte order
194  *   -----------------------------------------------------
195  *   PATH_RECORD     struct ib_path_rec_data
196  *   TIMEOUT         u32                        cpu
197  *   SERVICE_ID      u64                        cpu
198  *   DGID            u8[16]                     BE
199  *   SGID            u8[16]                     BE
200  *   TCLASS          u8
201  *   PKEY            u16                        cpu
202  *   QOS_CLASS       u16                        cpu
203  *   IPV4            u32                        BE
204  *   IPV6            u8[16]                     BE
205  */
206 enum {
207 	LS_NLA_TYPE_UNSPEC = 0,
208 	LS_NLA_TYPE_PATH_RECORD,
209 	LS_NLA_TYPE_TIMEOUT,
210 	LS_NLA_TYPE_SERVICE_ID,
211 	LS_NLA_TYPE_DGID,
212 	LS_NLA_TYPE_SGID,
213 	LS_NLA_TYPE_TCLASS,
214 	LS_NLA_TYPE_PKEY,
215 	LS_NLA_TYPE_QOS_CLASS,
216 	LS_NLA_TYPE_IPV4,
217 	LS_NLA_TYPE_IPV6,
218 	LS_NLA_TYPE_MAX
219 };
220 
221 /* Local service DGID/SGID attribute: big endian */
222 struct rdma_nla_ls_gid {
223 	__u8		gid[16];
224 };
225 
226 enum rdma_nldev_command {
227 	RDMA_NLDEV_CMD_UNSPEC,
228 
229 	RDMA_NLDEV_CMD_GET, /* can dump */
230 	RDMA_NLDEV_CMD_SET,
231 	RDMA_NLDEV_CMD_NEW,
232 	RDMA_NLDEV_CMD_DEL,
233 
234 	RDMA_NLDEV_CMD_PORT_GET, /* can dump */
235 	RDMA_NLDEV_CMD_PORT_SET,
236 	RDMA_NLDEV_CMD_PORT_NEW,
237 	RDMA_NLDEV_CMD_PORT_DEL,
238 
239 	RDMA_NLDEV_NUM_OPS
240 };
241 
242 enum rdma_nldev_attr {
243 	/* don't change the order or add anything between, this is ABI! */
244 	RDMA_NLDEV_ATTR_UNSPEC,
245 
246 	/* Identifier for ib_device */
247 	RDMA_NLDEV_ATTR_DEV_INDEX,		/* u32 */
248 
249 	RDMA_NLDEV_ATTR_DEV_NAME,		/* string */
250 	/*
251 	 * Device index together with port index are identifiers
252 	 * for port/link properties.
253 	 *
254 	 * For RDMA_NLDEV_CMD_GET commamnd, port index will return number
255 	 * of available ports in ib_device, while for port specific operations,
256 	 * it will be real port index as it appears in sysfs. Port index follows
257 	 * sysfs notation and starts from 1 for the first port.
258 	 */
259 	RDMA_NLDEV_ATTR_PORT_INDEX,		/* u32 */
260 
261 	/*
262 	 * Device and port capabilities
263 	 */
264 	RDMA_NLDEV_ATTR_CAP_FLAGS,		/* u64 */
265 
266 	/*
267 	 * FW version
268 	 */
269 	RDMA_NLDEV_ATTR_FW_VERSION,		/* string */
270 
271 	/*
272 	 * Node GUID (in host byte order) associated with the RDMA device.
273 	 */
274 	RDMA_NLDEV_ATTR_NODE_GUID,			/* u64 */
275 
276 	/*
277 	 * System image GUID (in host byte order) associated with
278 	 * this RDMA device and other devices which are part of a
279 	 * single system.
280 	 */
281 	RDMA_NLDEV_ATTR_SYS_IMAGE_GUID,		/* u64 */
282 
283 	/*
284 	 * Subnet prefix (in host byte order)
285 	 */
286 	RDMA_NLDEV_ATTR_SUBNET_PREFIX,		/* u64 */
287 
288 	/*
289 	 * Local Identifier (LID),
290 	 * According to IB specification, It is 16-bit address assigned
291 	 * by the Subnet Manager. Extended to be 32-bit for OmniPath users.
292 	 */
293 	RDMA_NLDEV_ATTR_LID,			/* u32 */
294 	RDMA_NLDEV_ATTR_SM_LID,			/* u32 */
295 
296 	/*
297 	 * LID mask control (LMC)
298 	 */
299 	RDMA_NLDEV_ATTR_LMC,			/* u8 */
300 
301 	RDMA_NLDEV_ATTR_PORT_STATE,		/* u8 */
302 	RDMA_NLDEV_ATTR_PORT_PHYS_STATE,	/* u8 */
303 
304 	RDMA_NLDEV_ATTR_DEV_NODE_TYPE,		/* u8 */
305 
306 	RDMA_NLDEV_ATTR_MAX
307 };
308 #endif /* _RDMA_NETLINK_H */
309