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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
f16a7dd5 UB |
2 | #ifndef _UAPI_SMC_DIAG_H_ |
3 | #define _UAPI_SMC_DIAG_H_ | |
4 | ||
5 | #include <linux/types.h> | |
6 | #include <linux/inet_diag.h> | |
ea6819e1 | 7 | #include <rdma/ib_user_verbs.h> |
f16a7dd5 UB |
8 | |
9 | /* Request structure */ | |
10 | struct smc_diag_req { | |
11 | __u8 diag_family; | |
12 | __u8 pad[2]; | |
13 | __u8 diag_ext; /* Query extended information */ | |
14 | struct inet_diag_sockid id; | |
15 | }; | |
16 | ||
17 | /* Base info structure. It contains socket identity (addrs/ports/cookie) based | |
18 | * on the internal clcsock, and more SMC-related socket data | |
19 | */ | |
20 | struct smc_diag_msg { | |
a21048c8 ES |
21 | __u8 diag_family; |
22 | __u8 diag_state; | |
d4f0006a ES |
23 | union { |
24 | __u8 diag_mode; | |
25 | __u8 diag_fallback; /* the old name of the field */ | |
26 | }; | |
a21048c8 | 27 | __u8 diag_shutdown; |
f16a7dd5 UB |
28 | struct inet_diag_sockid id; |
29 | ||
a21048c8 ES |
30 | __u32 diag_uid; |
31 | __aligned_u64 diag_inode; | |
f16a7dd5 UB |
32 | }; |
33 | ||
c601171d KG |
34 | /* Mode of a connection */ |
35 | enum { | |
36 | SMC_DIAG_MODE_SMCR, | |
37 | SMC_DIAG_MODE_FALLBACK_TCP, | |
38 | SMC_DIAG_MODE_SMCD, | |
39 | }; | |
40 | ||
f16a7dd5 UB |
41 | /* Extensions */ |
42 | ||
43 | enum { | |
44 | SMC_DIAG_NONE, | |
45 | SMC_DIAG_CONNINFO, | |
46 | SMC_DIAG_LGRINFO, | |
47 | SMC_DIAG_SHUTDOWN, | |
4b1b7d3b | 48 | SMC_DIAG_DMBINFO, |
603cc149 | 49 | SMC_DIAG_FALLBACK, |
f16a7dd5 UB |
50 | __SMC_DIAG_MAX, |
51 | }; | |
52 | ||
53 | #define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1) | |
54 | ||
55 | /* SMC_DIAG_CONNINFO */ | |
56 | ||
57 | struct smc_diag_cursor { | |
58 | __u16 reserved; | |
59 | __u16 wrap; | |
60 | __u32 count; | |
61 | }; | |
62 | ||
63 | struct smc_diag_conninfo { | |
64 | __u32 token; /* unique connection id */ | |
65 | __u32 sndbuf_size; /* size of send buffer */ | |
66 | __u32 rmbe_size; /* size of RMB element */ | |
67 | __u32 peer_rmbe_size; /* size of peer RMB element */ | |
68 | /* local RMB element cursors */ | |
69 | struct smc_diag_cursor rx_prod; /* received producer cursor */ | |
70 | struct smc_diag_cursor rx_cons; /* received consumer cursor */ | |
71 | /* peer RMB element cursors */ | |
72 | struct smc_diag_cursor tx_prod; /* sent producer cursor */ | |
73 | struct smc_diag_cursor tx_cons; /* sent consumer cursor */ | |
74 | __u8 rx_prod_flags; /* received producer flags */ | |
75 | __u8 rx_conn_state_flags; /* recvd connection flags*/ | |
76 | __u8 tx_prod_flags; /* sent producer flags */ | |
77 | __u8 tx_conn_state_flags; /* sent connection flags*/ | |
78 | /* send buffer cursors */ | |
79 | struct smc_diag_cursor tx_prep; /* prepared to be sent cursor */ | |
80 | struct smc_diag_cursor tx_sent; /* sent cursor */ | |
81 | struct smc_diag_cursor tx_fin; /* confirmed sent cursor */ | |
82 | }; | |
83 | ||
84 | /* SMC_DIAG_LINKINFO */ | |
85 | ||
86 | struct smc_diag_linkinfo { | |
c86d8613 DL |
87 | __u8 link_id; /* link identifier */ |
88 | __u8 ibname[IB_DEVICE_NAME_MAX]; /* name of the RDMA device */ | |
89 | __u8 ibport; /* RDMA device port number */ | |
90 | __u8 gid[40]; /* local GID */ | |
91 | __u8 peer_gid[40]; /* peer GID */ | |
f16a7dd5 UB |
92 | }; |
93 | ||
94 | struct smc_diag_lgrinfo { | |
95 | struct smc_diag_linkinfo lnk[1]; | |
96 | __u8 role; | |
97 | }; | |
4b1b7d3b | 98 | |
603cc149 KG |
99 | struct smc_diag_fallback { |
100 | __u32 reason; | |
101 | __u32 peer_diagnosis; | |
102 | }; | |
103 | ||
4b1b7d3b | 104 | struct smcd_diag_dmbinfo { /* SMC-D Socket internals */ |
a21048c8 ES |
105 | __u32 linkid; /* Link identifier */ |
106 | __aligned_u64 peer_gid; /* Peer GID */ | |
107 | __aligned_u64 my_gid; /* My GID */ | |
108 | __aligned_u64 token; /* Token of DMB */ | |
109 | __aligned_u64 peer_token; /* Token of remote DMBE */ | |
4b1b7d3b HW |
110 | }; |
111 | ||
f16a7dd5 | 112 | #endif /* _UAPI_SMC_DIAG_H_ */ |