xref: /openbmc/linux/include/uapi/rdma/rdma_netlink.h (revision 110e6f26)
1 #ifndef _UAPI_RDMA_NETLINK_H
2 #define _UAPI_RDMA_NETLINK_H
3 
4 #include <linux/types.h>
5 
6 enum {
7 	RDMA_NL_RDMA_CM = 1,
8 	RDMA_NL_IWCM,
9 	RDMA_NL_RSVD,
10 	RDMA_NL_LS,	/* RDMA Local Services */
11 	RDMA_NL_I40IW,
12 	RDMA_NL_NUM_CLIENTS
13 };
14 
15 enum {
16 	RDMA_NL_GROUP_CM = 1,
17 	RDMA_NL_GROUP_IWPM,
18 	RDMA_NL_GROUP_LS,
19 	RDMA_NL_NUM_GROUPS
20 };
21 
22 #define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
23 #define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
24 #define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
25 
26 enum {
27 	RDMA_NL_RDMA_CM_ID_STATS = 0,
28 	RDMA_NL_RDMA_CM_NUM_OPS
29 };
30 
31 enum {
32 	RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1,
33 	RDMA_NL_RDMA_CM_ATTR_DST_ADDR,
34 	RDMA_NL_RDMA_CM_NUM_ATTR,
35 };
36 
37 /* iwarp port mapper op-codes */
38 enum {
39 	RDMA_NL_IWPM_REG_PID = 0,
40 	RDMA_NL_IWPM_ADD_MAPPING,
41 	RDMA_NL_IWPM_QUERY_MAPPING,
42 	RDMA_NL_IWPM_REMOVE_MAPPING,
43 	RDMA_NL_IWPM_REMOTE_INFO,
44 	RDMA_NL_IWPM_HANDLE_ERR,
45 	RDMA_NL_IWPM_MAPINFO,
46 	RDMA_NL_IWPM_MAPINFO_NUM,
47 	RDMA_NL_IWPM_NUM_OPS
48 };
49 
50 struct rdma_cm_id_stats {
51 	__u32	qp_num;
52 	__u32	bound_dev_if;
53 	__u32	port_space;
54 	__s32	pid;
55 	__u8	cm_state;
56 	__u8	node_type;
57 	__u8	port_num;
58 	__u8	qp_type;
59 };
60 
61 enum {
62 	IWPM_NLA_REG_PID_UNSPEC = 0,
63 	IWPM_NLA_REG_PID_SEQ,
64 	IWPM_NLA_REG_IF_NAME,
65 	IWPM_NLA_REG_IBDEV_NAME,
66 	IWPM_NLA_REG_ULIB_NAME,
67 	IWPM_NLA_REG_PID_MAX
68 };
69 
70 enum {
71 	IWPM_NLA_RREG_PID_UNSPEC = 0,
72 	IWPM_NLA_RREG_PID_SEQ,
73 	IWPM_NLA_RREG_IBDEV_NAME,
74 	IWPM_NLA_RREG_ULIB_NAME,
75 	IWPM_NLA_RREG_ULIB_VER,
76 	IWPM_NLA_RREG_PID_ERR,
77 	IWPM_NLA_RREG_PID_MAX
78 
79 };
80 
81 enum {
82 	IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
83 	IWPM_NLA_MANAGE_MAPPING_SEQ,
84 	IWPM_NLA_MANAGE_ADDR,
85 	IWPM_NLA_MANAGE_MAPPED_LOC_ADDR,
86 	IWPM_NLA_RMANAGE_MAPPING_ERR,
87 	IWPM_NLA_RMANAGE_MAPPING_MAX
88 };
89 
90 #define IWPM_NLA_MANAGE_MAPPING_MAX 3
91 #define IWPM_NLA_QUERY_MAPPING_MAX  4
92 #define IWPM_NLA_MAPINFO_SEND_MAX   3
93 
94 enum {
95 	IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
96 	IWPM_NLA_QUERY_MAPPING_SEQ,
97 	IWPM_NLA_QUERY_LOCAL_ADDR,
98 	IWPM_NLA_QUERY_REMOTE_ADDR,
99 	IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
100 	IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
101 	IWPM_NLA_RQUERY_MAPPING_ERR,
102 	IWPM_NLA_RQUERY_MAPPING_MAX
103 };
104 
105 enum {
106 	IWPM_NLA_MAPINFO_REQ_UNSPEC = 0,
107 	IWPM_NLA_MAPINFO_ULIB_NAME,
108 	IWPM_NLA_MAPINFO_ULIB_VER,
109 	IWPM_NLA_MAPINFO_REQ_MAX
110 };
111 
112 enum {
113 	IWPM_NLA_MAPINFO_UNSPEC = 0,
114 	IWPM_NLA_MAPINFO_LOCAL_ADDR,
115 	IWPM_NLA_MAPINFO_MAPPED_ADDR,
116 	IWPM_NLA_MAPINFO_MAX
117 };
118 
119 enum {
120 	IWPM_NLA_MAPINFO_NUM_UNSPEC = 0,
121 	IWPM_NLA_MAPINFO_SEQ,
122 	IWPM_NLA_MAPINFO_SEND_NUM,
123 	IWPM_NLA_MAPINFO_ACK_NUM,
124 	IWPM_NLA_MAPINFO_NUM_MAX
125 };
126 
127 enum {
128 	IWPM_NLA_ERR_UNSPEC = 0,
129 	IWPM_NLA_ERR_SEQ,
130 	IWPM_NLA_ERR_CODE,
131 	IWPM_NLA_ERR_MAX
132 };
133 
134 /*
135  * Local service operations:
136  *   RESOLVE - The client requests the local service to resolve a path.
137  *   SET_TIMEOUT - The local service requests the client to set the timeout.
138  */
139 enum {
140 	RDMA_NL_LS_OP_RESOLVE = 0,
141 	RDMA_NL_LS_OP_SET_TIMEOUT,
142 	RDMA_NL_LS_NUM_OPS
143 };
144 
145 /* Local service netlink message flags */
146 #define RDMA_NL_LS_F_ERR	0x0100	/* Failed response */
147 
148 /*
149  * Local service resolve operation family header.
150  * The layout for the resolve operation:
151  *    nlmsg header
152  *    family header
153  *    attributes
154  */
155 
156 /*
157  * Local service path use:
158  * Specify how the path(s) will be used.
159  *   ALL - For connected CM operation (6 pathrecords)
160  *   UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
161  *   GMP - For miscellaneous GMP like operation (at least 1 reversible
162  *         pathrecord)
163  */
164 enum {
165 	LS_RESOLVE_PATH_USE_ALL = 0,
166 	LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
167 	LS_RESOLVE_PATH_USE_GMP,
168 	LS_RESOLVE_PATH_USE_MAX
169 };
170 
171 #define LS_DEVICE_NAME_MAX 64
172 
173 struct rdma_ls_resolve_header {
174 	__u8 device_name[LS_DEVICE_NAME_MAX];
175 	__u8 port_num;
176 	__u8 path_use;
177 };
178 
179 /* Local service attribute type */
180 #define RDMA_NLA_F_MANDATORY	(1 << 13)
181 #define RDMA_NLA_TYPE_MASK	(~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
182 				  RDMA_NLA_F_MANDATORY))
183 
184 /*
185  * Local service attributes:
186  *   Attr Name       Size                       Byte order
187  *   -----------------------------------------------------
188  *   PATH_RECORD     struct ib_path_rec_data
189  *   TIMEOUT         u32                        cpu
190  *   SERVICE_ID      u64                        cpu
191  *   DGID            u8[16]                     BE
192  *   SGID            u8[16]                     BE
193  *   TCLASS          u8
194  *   PKEY            u16                        cpu
195  *   QOS_CLASS       u16                        cpu
196  */
197 enum {
198 	LS_NLA_TYPE_UNSPEC = 0,
199 	LS_NLA_TYPE_PATH_RECORD,
200 	LS_NLA_TYPE_TIMEOUT,
201 	LS_NLA_TYPE_SERVICE_ID,
202 	LS_NLA_TYPE_DGID,
203 	LS_NLA_TYPE_SGID,
204 	LS_NLA_TYPE_TCLASS,
205 	LS_NLA_TYPE_PKEY,
206 	LS_NLA_TYPE_QOS_CLASS,
207 	LS_NLA_TYPE_MAX
208 };
209 
210 /* Local service DGID/SGID attribute: big endian */
211 struct rdma_nla_ls_gid {
212 	__u8		gid[16];
213 };
214 
215 #endif /* _UAPI_RDMA_NETLINK_H */
216