1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _LINUX_RDS_H 20 #define _LINUX_RDS_H 21 #include <linux/types.h> 22 #include <linux/socket.h> 23 #define RDS_IB_ABI_VERSION 0x301 24 #define SOL_RDS 276 25 #define RDS_CANCEL_SENT_TO 1 26 #define RDS_GET_MR 2 27 #define RDS_FREE_MR 3 28 #define RDS_RECVERR 5 29 #define RDS_CONG_MONITOR 6 30 #define RDS_GET_MR_FOR_DEST 7 31 #define SO_RDS_TRANSPORT 8 32 #define SO_RDS_MSG_RXPATH_LATENCY 10 33 #define RDS_TRANS_IB 0 34 #define RDS_TRANS_IWARP 1 35 #define RDS_TRANS_TCP 2 36 #define RDS_TRANS_COUNT 3 37 #define RDS_TRANS_NONE (~0) 38 #define RDS_CMSG_RDMA_ARGS 1 39 #define RDS_CMSG_RDMA_DEST 2 40 #define RDS_CMSG_RDMA_MAP 3 41 #define RDS_CMSG_RDMA_STATUS 4 42 #define RDS_CMSG_CONG_UPDATE 5 43 #define RDS_CMSG_ATOMIC_FADD 6 44 #define RDS_CMSG_ATOMIC_CSWP 7 45 #define RDS_CMSG_MASKED_ATOMIC_FADD 8 46 #define RDS_CMSG_MASKED_ATOMIC_CSWP 9 47 #define RDS_CMSG_RXPATH_LATENCY 11 48 #define RDS_INFO_FIRST 10000 49 #define RDS_INFO_COUNTERS 10000 50 #define RDS_INFO_CONNECTIONS 10001 51 #define RDS_INFO_SEND_MESSAGES 10003 52 #define RDS_INFO_RETRANS_MESSAGES 10004 53 #define RDS_INFO_RECV_MESSAGES 10005 54 #define RDS_INFO_SOCKETS 10006 55 #define RDS_INFO_TCP_SOCKETS 10007 56 #define RDS_INFO_IB_CONNECTIONS 10008 57 #define RDS_INFO_CONNECTION_STATS 10009 58 #define RDS_INFO_IWARP_CONNECTIONS 10010 59 #define RDS_INFO_LAST 10010 60 struct rds_info_counter { 61 __u8 name[32]; 62 __u64 value; 63 } __attribute__((packed)); 64 #define RDS_INFO_CONNECTION_FLAG_SENDING 0x01 65 #define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02 66 #define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04 67 #define TRANSNAMSIZ 16 68 struct rds_info_connection { 69 __u64 next_tx_seq; 70 __u64 next_rx_seq; 71 __be32 laddr; 72 __be32 faddr; 73 __u8 transport[TRANSNAMSIZ]; 74 __u8 flags; 75 } __attribute__((packed)); 76 #define RDS_INFO_MESSAGE_FLAG_ACK 0x01 77 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02 78 struct rds_info_message { 79 __u64 seq; 80 __u32 len; 81 __be32 laddr; 82 __be32 faddr; 83 __be16 lport; 84 __be16 fport; 85 __u8 flags; 86 } __attribute__((packed)); 87 struct rds_info_socket { 88 __u32 sndbuf; 89 __be32 bound_addr; 90 __be32 connected_addr; 91 __be16 bound_port; 92 __be16 connected_port; 93 __u32 rcvbuf; 94 __u64 inum; 95 } __attribute__((packed)); 96 struct rds_info_tcp_socket { 97 __be32 local_addr; 98 __be16 local_port; 99 __be32 peer_addr; 100 __be16 peer_port; 101 __u64 hdr_rem; 102 __u64 data_rem; 103 __u32 last_sent_nxt; 104 __u32 last_expected_una; 105 __u32 last_seen_una; 106 } __attribute__((packed)); 107 #define RDS_IB_GID_LEN 16 108 struct rds_info_rdma_connection { 109 __be32 src_addr; 110 __be32 dst_addr; 111 __u8 src_gid[RDS_IB_GID_LEN]; 112 __u8 dst_gid[RDS_IB_GID_LEN]; 113 __u32 max_send_wr; 114 __u32 max_recv_wr; 115 __u32 max_send_sge; 116 __u32 rdma_mr_max; 117 __u32 rdma_mr_size; 118 }; 119 enum rds_message_rxpath_latency { 120 RDS_MSG_RX_HDR_TO_DGRAM_START = 0, 121 RDS_MSG_RX_DGRAM_REASSEMBLE, 122 RDS_MSG_RX_DGRAM_DELIVERED, 123 RDS_MSG_RX_DGRAM_TRACE_MAX 124 }; 125 struct rds_rx_trace_so { 126 __u8 rx_traces; 127 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 128 }; 129 struct rds_cmsg_rx_trace { 130 __u8 rx_traces; 131 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 132 __u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX]; 133 }; 134 #define RDS_CONG_MONITOR_SIZE 64 135 #define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE) 136 #define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port)) 137 typedef __u64 rds_rdma_cookie_t; 138 struct rds_iovec { 139 __u64 addr; 140 __u64 bytes; 141 }; 142 struct rds_get_mr_args { 143 struct rds_iovec vec; 144 __u64 cookie_addr; 145 __u64 flags; 146 }; 147 struct rds_get_mr_for_dest_args { 148 struct sockaddr_storage dest_addr; 149 struct rds_iovec vec; 150 __u64 cookie_addr; 151 __u64 flags; 152 }; 153 struct rds_free_mr_args { 154 rds_rdma_cookie_t cookie; 155 __u64 flags; 156 }; 157 struct rds_rdma_args { 158 rds_rdma_cookie_t cookie; 159 struct rds_iovec remote_vec; 160 __u64 local_vec_addr; 161 __u64 nr_local; 162 __u64 flags; 163 __u64 user_token; 164 }; 165 struct rds_atomic_args { 166 rds_rdma_cookie_t cookie; 167 __u64 local_addr; 168 __u64 remote_addr; 169 union { 170 struct { 171 __u64 compare; 172 __u64 swap; 173 } cswp; 174 struct { 175 __u64 add; 176 } fadd; 177 struct { 178 __u64 compare; 179 __u64 swap; 180 __u64 compare_mask; 181 __u64 swap_mask; 182 } m_cswp; 183 struct { 184 __u64 add; 185 __u64 nocarry_mask; 186 } m_fadd; 187 }; 188 __u64 flags; 189 __u64 user_token; 190 }; 191 struct rds_rdma_notify { 192 __u64 user_token; 193 __s32 status; 194 }; 195 #define RDS_RDMA_SUCCESS 0 196 #define RDS_RDMA_REMOTE_ERROR 1 197 #define RDS_RDMA_CANCELED 2 198 #define RDS_RDMA_DROPPED 3 199 #define RDS_RDMA_OTHER_ERROR 4 200 #define RDS_RDMA_READWRITE 0x0001 201 #define RDS_RDMA_FENCE 0x0002 202 #define RDS_RDMA_INVALIDATE 0x0004 203 #define RDS_RDMA_USE_ONCE 0x0008 204 #define RDS_RDMA_DONTWAIT 0x0010 205 #define RDS_RDMA_NOTIFY_ME 0x0020 206 #define RDS_RDMA_SILENT 0x0040 207 #endif 208