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[linux.git] / include / uapi / linux / smc.h
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6f52b16c 1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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2/*
3 * Shared Memory Communications over RDMA (SMC-R) and RoCE
4 *
5 * Definitions for generic netlink based configuration of an SMC-R PNET table
6 *
7 * Copyright IBM Corp. 2016
8 *
9 * Author(s): Thomas Richter <[email protected]>
10 */
11
12#ifndef _UAPI_LINUX_SMC_H_
13#define _UAPI_LINUX_SMC_H_
14
15/* Netlink SMC_PNETID attributes */
16enum {
17 SMC_PNETID_UNSPEC,
18 SMC_PNETID_NAME,
19 SMC_PNETID_ETHNAME,
20 SMC_PNETID_IBNAME,
21 SMC_PNETID_IBPORT,
22 __SMC_PNETID_MAX,
23 SMC_PNETID_MAX = __SMC_PNETID_MAX - 1
24};
25
26enum { /* SMC PNET Table commands */
27 SMC_PNETID_GET = 1,
28 SMC_PNETID_ADD,
29 SMC_PNETID_DEL,
30 SMC_PNETID_FLUSH
31};
32
33#define SMCR_GENL_FAMILY_NAME "SMC_PNETID"
34#define SMCR_GENL_FAMILY_VERSION 1
35
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36/* gennetlink interface to access non-socket information from SMC module */
37#define SMC_GENL_FAMILY_NAME "SMC_GEN_NETLINK"
38#define SMC_GENL_FAMILY_VERSION 1
39
aaf95523 40#define SMC_PCI_ID_STR_LEN 16 /* Max length of pci id string */
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41#define SMC_MAX_HOSTNAME_LEN 32 /* Max length of the hostname */
42#define SMC_MAX_UEID 4 /* Max number of user EIDs */
43#define SMC_MAX_EID_LEN 32 /* Max length of an EID */
aaf95523 44
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45/* SMC_GENL_FAMILY commands */
46enum {
47 SMC_NETLINK_GET_SYS_INFO = 1,
e9b8c845 48 SMC_NETLINK_GET_LGR_SMCR,
5a7e09d5 49 SMC_NETLINK_GET_LINK_SMCR,
8f9dde4b 50 SMC_NETLINK_GET_LGR_SMCD,
aaf95523 51 SMC_NETLINK_GET_DEV_SMCD,
a3db10ef 52 SMC_NETLINK_GET_DEV_SMCR,
8c40602b 53 SMC_NETLINK_GET_STATS,
f0dd7bf5 54 SMC_NETLINK_GET_FBACK_STATS,
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55 SMC_NETLINK_DUMP_UEID,
56 SMC_NETLINK_ADD_UEID,
57 SMC_NETLINK_REMOVE_UEID,
58 SMC_NETLINK_FLUSH_UEID,
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59 SMC_NETLINK_DUMP_SEID,
60 SMC_NETLINK_ENABLE_SEID,
61 SMC_NETLINK_DISABLE_SEID,
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62};
63
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64/* SMC_GENL_FAMILY top level attributes */
65enum {
66 SMC_GEN_UNSPEC,
099b990b 67 SMC_GEN_SYS_INFO, /* nest */
e9b8c845 68 SMC_GEN_LGR_SMCR, /* nest */
5a7e09d5 69 SMC_GEN_LINK_SMCR, /* nest */
8f9dde4b 70 SMC_GEN_LGR_SMCD, /* nest */
aaf95523 71 SMC_GEN_DEV_SMCD, /* nest */
a3db10ef 72 SMC_GEN_DEV_SMCR, /* nest */
8c40602b 73 SMC_GEN_STATS, /* nest */
f0dd7bf5 74 SMC_GEN_FBACK_STATS, /* nest */
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75 __SMC_GEN_MAX,
76 SMC_GEN_MAX = __SMC_GEN_MAX - 1
77};
78
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79/* SMC_GEN_SYS_INFO attributes */
80enum {
81 SMC_NLA_SYS_UNSPEC,
82 SMC_NLA_SYS_VER, /* u8 */
83 SMC_NLA_SYS_REL, /* u8 */
84 SMC_NLA_SYS_IS_ISM_V2, /* u8 */
85 SMC_NLA_SYS_LOCAL_HOST, /* string */
86 SMC_NLA_SYS_SEID, /* string */
b0539f5e 87 SMC_NLA_SYS_IS_SMCR_V2, /* u8 */
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88 __SMC_NLA_SYS_MAX,
89 SMC_NLA_SYS_MAX = __SMC_NLA_SYS_MAX - 1
90};
91
b0539f5e 92/* SMC_NLA_LGR_D_V2_COMMON and SMC_NLA_LGR_R_V2_COMMON nested attributes */
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93enum {
94 SMC_NLA_LGR_V2_VER, /* u8 */
95 SMC_NLA_LGR_V2_REL, /* u8 */
96 SMC_NLA_LGR_V2_OS, /* u8 */
97 SMC_NLA_LGR_V2_NEG_EID, /* string */
98 SMC_NLA_LGR_V2_PEER_HOST, /* string */
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99 __SMC_NLA_LGR_V2_MAX,
100 SMC_NLA_LGR_V2_MAX = __SMC_NLA_LGR_V2_MAX - 1
101};
102
103/* SMC_NLA_LGR_R_V2 nested attributes */
104enum {
105 SMC_NLA_LGR_R_V2_UNSPEC,
106 SMC_NLA_LGR_R_V2_DIRECT, /* u8 */
107 __SMC_NLA_LGR_R_V2_MAX,
108 SMC_NLA_LGR_R_V2_MAX = __SMC_NLA_LGR_R_V2_MAX - 1
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109};
110
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111/* SMC_GEN_LGR_SMCR attributes */
112enum {
113 SMC_NLA_LGR_R_UNSPEC,
114 SMC_NLA_LGR_R_ID, /* u32 */
115 SMC_NLA_LGR_R_ROLE, /* u8 */
116 SMC_NLA_LGR_R_TYPE, /* u8 */
117 SMC_NLA_LGR_R_PNETID, /* string */
118 SMC_NLA_LGR_R_VLAN_ID, /* u8 */
119 SMC_NLA_LGR_R_CONNS_NUM, /* u32 */
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120 SMC_NLA_LGR_R_V2_COMMON, /* nest */
121 SMC_NLA_LGR_R_V2, /* nest */
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122 SMC_NLA_LGR_R_NET_COOKIE, /* u64 */
123 SMC_NLA_LGR_R_PAD, /* flag */
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124 __SMC_NLA_LGR_R_MAX,
125 SMC_NLA_LGR_R_MAX = __SMC_NLA_LGR_R_MAX - 1
126};
127
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128/* SMC_GEN_LINK_SMCR attributes */
129enum {
130 SMC_NLA_LINK_UNSPEC,
131 SMC_NLA_LINK_ID, /* u8 */
132 SMC_NLA_LINK_IB_DEV, /* string */
133 SMC_NLA_LINK_IB_PORT, /* u8 */
134 SMC_NLA_LINK_GID, /* string */
135 SMC_NLA_LINK_PEER_GID, /* string */
136 SMC_NLA_LINK_CONN_CNT, /* u32 */
137 SMC_NLA_LINK_NET_DEV, /* u32 */
138 SMC_NLA_LINK_UID, /* u32 */
139 SMC_NLA_LINK_PEER_UID, /* u32 */
140 SMC_NLA_LINK_STATE, /* u32 */
141 __SMC_NLA_LINK_MAX,
142 SMC_NLA_LINK_MAX = __SMC_NLA_LINK_MAX - 1
143};
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144
145/* SMC_GEN_LGR_SMCD attributes */
146enum {
147 SMC_NLA_LGR_D_UNSPEC,
148 SMC_NLA_LGR_D_ID, /* u32 */
149 SMC_NLA_LGR_D_GID, /* u64 */
150 SMC_NLA_LGR_D_PEER_GID, /* u64 */
151 SMC_NLA_LGR_D_VLAN_ID, /* u8 */
152 SMC_NLA_LGR_D_CONNS_NUM, /* u32 */
153 SMC_NLA_LGR_D_PNETID, /* string */
154 SMC_NLA_LGR_D_CHID, /* u16 */
155 SMC_NLA_LGR_D_PAD, /* flag */
b0539f5e 156 SMC_NLA_LGR_D_V2_COMMON, /* nest */
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157 __SMC_NLA_LGR_D_MAX,
158 SMC_NLA_LGR_D_MAX = __SMC_NLA_LGR_D_MAX - 1
159};
aaf95523 160
a3db10ef 161/* SMC_NLA_DEV_PORT nested attributes */
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162enum {
163 SMC_NLA_DEV_PORT_UNSPEC,
164 SMC_NLA_DEV_PORT_PNET_USR, /* u8 */
165 SMC_NLA_DEV_PORT_PNETID, /* string */
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166 SMC_NLA_DEV_PORT_NETDEV, /* u32 */
167 SMC_NLA_DEV_PORT_STATE, /* u8 */
168 SMC_NLA_DEV_PORT_VALID, /* u8 */
169 SMC_NLA_DEV_PORT_LNK_CNT, /* u32 */
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170 __SMC_NLA_DEV_PORT_MAX,
171 SMC_NLA_DEV_PORT_MAX = __SMC_NLA_DEV_PORT_MAX - 1
172};
173
a3db10ef 174/* SMC_GEN_DEV_SMCD and SMC_GEN_DEV_SMCR attributes */
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175enum {
176 SMC_NLA_DEV_UNSPEC,
177 SMC_NLA_DEV_USE_CNT, /* u32 */
178 SMC_NLA_DEV_IS_CRIT, /* u8 */
179 SMC_NLA_DEV_PCI_FID, /* u32 */
180 SMC_NLA_DEV_PCI_CHID, /* u16 */
181 SMC_NLA_DEV_PCI_VENDOR, /* u16 */
182 SMC_NLA_DEV_PCI_DEVICE, /* u16 */
183 SMC_NLA_DEV_PCI_ID, /* string */
184 SMC_NLA_DEV_PORT, /* nest */
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185 SMC_NLA_DEV_PORT2, /* nest */
186 SMC_NLA_DEV_IB_NAME, /* string */
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187 __SMC_NLA_DEV_MAX,
188 SMC_NLA_DEV_MAX = __SMC_NLA_DEV_MAX - 1
189};
a3db10ef 190
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191/* SMC_NLA_STATS_T_TX(RX)_RMB_SIZE nested attributes */
192/* SMC_NLA_STATS_TX(RX)PLOAD_SIZE nested attributes */
193enum {
194 SMC_NLA_STATS_PLOAD_PAD,
195 SMC_NLA_STATS_PLOAD_8K, /* u64 */
196 SMC_NLA_STATS_PLOAD_16K, /* u64 */
197 SMC_NLA_STATS_PLOAD_32K, /* u64 */
198 SMC_NLA_STATS_PLOAD_64K, /* u64 */
199 SMC_NLA_STATS_PLOAD_128K, /* u64 */
200 SMC_NLA_STATS_PLOAD_256K, /* u64 */
201 SMC_NLA_STATS_PLOAD_512K, /* u64 */
202 SMC_NLA_STATS_PLOAD_1024K, /* u64 */
203 SMC_NLA_STATS_PLOAD_G_1024K, /* u64 */
204 __SMC_NLA_STATS_PLOAD_MAX,
205 SMC_NLA_STATS_PLOAD_MAX = __SMC_NLA_STATS_PLOAD_MAX - 1
206};
207
208/* SMC_NLA_STATS_T_TX(RX)_RMB_STATS nested attributes */
209enum {
210 SMC_NLA_STATS_RMB_PAD,
211 SMC_NLA_STATS_RMB_SIZE_SM_PEER_CNT, /* u64 */
212 SMC_NLA_STATS_RMB_SIZE_SM_CNT, /* u64 */
213 SMC_NLA_STATS_RMB_FULL_PEER_CNT, /* u64 */
214 SMC_NLA_STATS_RMB_FULL_CNT, /* u64 */
215 SMC_NLA_STATS_RMB_REUSE_CNT, /* u64 */
216 SMC_NLA_STATS_RMB_ALLOC_CNT, /* u64 */
217 SMC_NLA_STATS_RMB_DGRADE_CNT, /* u64 */
218 __SMC_NLA_STATS_RMB_MAX,
219 SMC_NLA_STATS_RMB_MAX = __SMC_NLA_STATS_RMB_MAX - 1
220};
221
222/* SMC_NLA_STATS_SMCD_TECH and _SMCR_TECH nested attributes */
223enum {
224 SMC_NLA_STATS_T_PAD,
225 SMC_NLA_STATS_T_TX_RMB_SIZE, /* nest */
226 SMC_NLA_STATS_T_RX_RMB_SIZE, /* nest */
227 SMC_NLA_STATS_T_TXPLOAD_SIZE, /* nest */
228 SMC_NLA_STATS_T_RXPLOAD_SIZE, /* nest */
229 SMC_NLA_STATS_T_TX_RMB_STATS, /* nest */
230 SMC_NLA_STATS_T_RX_RMB_STATS, /* nest */
231 SMC_NLA_STATS_T_CLNT_V1_SUCC, /* u64 */
232 SMC_NLA_STATS_T_CLNT_V2_SUCC, /* u64 */
233 SMC_NLA_STATS_T_SRV_V1_SUCC, /* u64 */
234 SMC_NLA_STATS_T_SRV_V2_SUCC, /* u64 */
235 SMC_NLA_STATS_T_SENDPAGE_CNT, /* u64 */
236 SMC_NLA_STATS_T_SPLICE_CNT, /* u64 */
237 SMC_NLA_STATS_T_CORK_CNT, /* u64 */
238 SMC_NLA_STATS_T_NDLY_CNT, /* u64 */
239 SMC_NLA_STATS_T_URG_DATA_CNT, /* u64 */
240 SMC_NLA_STATS_T_RX_BYTES, /* u64 */
241 SMC_NLA_STATS_T_TX_BYTES, /* u64 */
242 SMC_NLA_STATS_T_RX_CNT, /* u64 */
243 SMC_NLA_STATS_T_TX_CNT, /* u64 */
244 __SMC_NLA_STATS_T_MAX,
245 SMC_NLA_STATS_T_MAX = __SMC_NLA_STATS_T_MAX - 1
246};
247
248/* SMC_GEN_STATS attributes */
249enum {
250 SMC_NLA_STATS_PAD,
251 SMC_NLA_STATS_SMCD_TECH, /* nest */
252 SMC_NLA_STATS_SMCR_TECH, /* nest */
253 SMC_NLA_STATS_CLNT_HS_ERR_CNT, /* u64 */
254 SMC_NLA_STATS_SRV_HS_ERR_CNT, /* u64 */
255 __SMC_NLA_STATS_MAX,
256 SMC_NLA_STATS_MAX = __SMC_NLA_STATS_MAX - 1
257};
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258
259/* SMC_GEN_FBACK_STATS attributes */
260enum {
261 SMC_NLA_FBACK_STATS_PAD,
262 SMC_NLA_FBACK_STATS_TYPE, /* u8 */
263 SMC_NLA_FBACK_STATS_SRV_CNT, /* u64 */
264 SMC_NLA_FBACK_STATS_CLNT_CNT, /* u64 */
265 SMC_NLA_FBACK_STATS_RSN_CODE, /* u32 */
266 SMC_NLA_FBACK_STATS_RSN_CNT, /* u16 */
267 __SMC_NLA_FBACK_STATS_MAX,
268 SMC_NLA_FBACK_STATS_MAX = __SMC_NLA_FBACK_STATS_MAX - 1
269};
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270
271/* SMC_NETLINK_UEID attributes */
272enum {
273 SMC_NLA_EID_TABLE_UNSPEC,
274 SMC_NLA_EID_TABLE_ENTRY, /* string */
275 __SMC_NLA_EID_TABLE_MAX,
276 SMC_NLA_EID_TABLE_MAX = __SMC_NLA_EID_TABLE_MAX - 1
277};
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278
279/* SMC_NETLINK_SEID attributes */
280enum {
281 SMC_NLA_SEID_UNSPEC,
282 SMC_NLA_SEID_ENTRY, /* string */
283 SMC_NLA_SEID_ENABLED, /* u8 */
284 __SMC_NLA_SEID_TABLE_MAX,
285 SMC_NLA_SEID_TABLE_MAX = __SMC_NLA_SEID_TABLE_MAX - 1
286};
6812baab 287#endif /* _UAPI_LINUX_SMC_H */
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