1 #ifndef _UAPI_SMC_DIAG_H_ 2 #define _UAPI_SMC_DIAG_H_ 3 4 #include <linux/types.h> 5 #include <linux/inet_diag.h> 6 #include <rdma/ib_user_verbs.h> 7 8 /* Request structure */ 9 struct smc_diag_req { 10 __u8 diag_family; 11 __u8 pad[2]; 12 __u8 diag_ext; /* Query extended information */ 13 struct inet_diag_sockid id; 14 }; 15 16 /* Base info structure. It contains socket identity (addrs/ports/cookie) based 17 * on the internal clcsock, and more SMC-related socket data 18 */ 19 struct smc_diag_msg { 20 __u8 diag_family; 21 __u8 diag_state; 22 __u8 diag_fallback; 23 __u8 diag_shutdown; 24 struct inet_diag_sockid id; 25 26 __u32 diag_uid; 27 __u64 diag_inode; 28 }; 29 30 /* Extensions */ 31 32 enum { 33 SMC_DIAG_NONE, 34 SMC_DIAG_CONNINFO, 35 SMC_DIAG_LGRINFO, 36 SMC_DIAG_SHUTDOWN, 37 __SMC_DIAG_MAX, 38 }; 39 40 #define SMC_DIAG_MAX (__SMC_DIAG_MAX - 1) 41 42 /* SMC_DIAG_CONNINFO */ 43 44 struct smc_diag_cursor { 45 __u16 reserved; 46 __u16 wrap; 47 __u32 count; 48 }; 49 50 struct smc_diag_conninfo { 51 __u32 token; /* unique connection id */ 52 __u32 sndbuf_size; /* size of send buffer */ 53 __u32 rmbe_size; /* size of RMB element */ 54 __u32 peer_rmbe_size; /* size of peer RMB element */ 55 /* local RMB element cursors */ 56 struct smc_diag_cursor rx_prod; /* received producer cursor */ 57 struct smc_diag_cursor rx_cons; /* received consumer cursor */ 58 /* peer RMB element cursors */ 59 struct smc_diag_cursor tx_prod; /* sent producer cursor */ 60 struct smc_diag_cursor tx_cons; /* sent consumer cursor */ 61 __u8 rx_prod_flags; /* received producer flags */ 62 __u8 rx_conn_state_flags; /* recvd connection flags*/ 63 __u8 tx_prod_flags; /* sent producer flags */ 64 __u8 tx_conn_state_flags; /* sent connection flags*/ 65 /* send buffer cursors */ 66 struct smc_diag_cursor tx_prep; /* prepared to be sent cursor */ 67 struct smc_diag_cursor tx_sent; /* sent cursor */ 68 struct smc_diag_cursor tx_fin; /* confirmed sent cursor */ 69 }; 70 71 /* SMC_DIAG_LINKINFO */ 72 73 struct smc_diag_linkinfo { 74 __u8 link_id; /* link identifier */ 75 __u8 ibname[IB_DEVICE_NAME_MAX]; /* name of the RDMA device */ 76 __u8 ibport; /* RDMA device port number */ 77 __u8 gid[40]; /* local GID */ 78 __u8 peer_gid[40]; /* peer GID */ 79 }; 80 81 struct smc_diag_lgrinfo { 82 struct smc_diag_linkinfo lnk[1]; 83 __u8 role; 84 }; 85 #endif /* _UAPI_SMC_DIAG_H_ */ 86