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 #include <linux/in6.h> 24 #define RDS_IB_ABI_VERSION 0x301 25 #define SOL_RDS 276 26 #define RDS_CANCEL_SENT_TO 1 27 #define RDS_GET_MR 2 28 #define RDS_FREE_MR 3 29 #define RDS_RECVERR 5 30 #define RDS_CONG_MONITOR 6 31 #define RDS_GET_MR_FOR_DEST 7 32 #define SO_RDS_TRANSPORT 8 33 #define SO_RDS_MSG_RXPATH_LATENCY 10 34 #define RDS_TRANS_IB 0 35 #define RDS_TRANS_IWARP 1 36 #define RDS_TRANS_TCP 2 37 #define RDS_TRANS_COUNT 3 38 #define RDS_TRANS_NONE (~0) 39 #define RDS_CMSG_RDMA_ARGS 1 40 #define RDS_CMSG_RDMA_DEST 2 41 #define RDS_CMSG_RDMA_MAP 3 42 #define RDS_CMSG_RDMA_STATUS 4 43 #define RDS_CMSG_CONG_UPDATE 5 44 #define RDS_CMSG_ATOMIC_FADD 6 45 #define RDS_CMSG_ATOMIC_CSWP 7 46 #define RDS_CMSG_MASKED_ATOMIC_FADD 8 47 #define RDS_CMSG_MASKED_ATOMIC_CSWP 9 48 #define RDS_CMSG_RXPATH_LATENCY 11 49 #define RDS_CMSG_ZCOPY_COOKIE 12 50 #define RDS_CMSG_ZCOPY_COMPLETION 13 51 #define RDS_INFO_FIRST 10000 52 #define RDS_INFO_COUNTERS 10000 53 #define RDS_INFO_CONNECTIONS 10001 54 #define RDS_INFO_SEND_MESSAGES 10003 55 #define RDS_INFO_RETRANS_MESSAGES 10004 56 #define RDS_INFO_RECV_MESSAGES 10005 57 #define RDS_INFO_SOCKETS 10006 58 #define RDS_INFO_TCP_SOCKETS 10007 59 #define RDS_INFO_IB_CONNECTIONS 10008 60 #define RDS_INFO_CONNECTION_STATS 10009 61 #define RDS_INFO_IWARP_CONNECTIONS 10010 62 #define RDS6_INFO_CONNECTIONS 10011 63 #define RDS6_INFO_SEND_MESSAGES 10012 64 #define RDS6_INFO_RETRANS_MESSAGES 10013 65 #define RDS6_INFO_RECV_MESSAGES 10014 66 #define RDS6_INFO_SOCKETS 10015 67 #define RDS6_INFO_TCP_SOCKETS 10016 68 #define RDS6_INFO_IB_CONNECTIONS 10017 69 #define RDS_INFO_LAST 10017 70 struct rds_info_counter { 71 __u8 name[32]; 72 __u64 value; 73 } __attribute__((packed)); 74 #define RDS_INFO_CONNECTION_FLAG_SENDING 0x01 75 #define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02 76 #define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04 77 #define TRANSNAMSIZ 16 78 struct rds_info_connection { 79 __u64 next_tx_seq; 80 __u64 next_rx_seq; 81 __be32 laddr; 82 __be32 faddr; 83 __u8 transport[TRANSNAMSIZ]; 84 __u8 flags; 85 } __attribute__((packed)); 86 struct rds6_info_connection { 87 __u64 next_tx_seq; 88 __u64 next_rx_seq; 89 struct in6_addr laddr; 90 struct in6_addr faddr; 91 __u8 transport[TRANSNAMSIZ]; 92 __u8 flags; 93 } __attribute__((packed)); 94 #define RDS_INFO_MESSAGE_FLAG_ACK 0x01 95 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02 96 struct rds_info_message { 97 __u64 seq; 98 __u32 len; 99 __be32 laddr; 100 __be32 faddr; 101 __be16 lport; 102 __be16 fport; 103 __u8 flags; 104 } __attribute__((packed)); 105 struct rds6_info_message { 106 __u64 seq; 107 __u32 len; 108 struct in6_addr laddr; 109 struct in6_addr faddr; 110 __be16 lport; 111 __be16 fport; 112 __u8 flags; 113 __u8 tos; 114 } __attribute__((packed)); 115 struct rds_info_socket { 116 __u32 sndbuf; 117 __be32 bound_addr; 118 __be32 connected_addr; 119 __be16 bound_port; 120 __be16 connected_port; 121 __u32 rcvbuf; 122 __u64 inum; 123 } __attribute__((packed)); 124 struct rds6_info_socket { 125 __u32 sndbuf; 126 struct in6_addr bound_addr; 127 struct in6_addr connected_addr; 128 __be16 bound_port; 129 __be16 connected_port; 130 __u32 rcvbuf; 131 __u64 inum; 132 } __attribute__((packed)); 133 struct rds_info_tcp_socket { 134 __be32 local_addr; 135 __be16 local_port; 136 __be32 peer_addr; 137 __be16 peer_port; 138 __u64 hdr_rem; 139 __u64 data_rem; 140 __u32 last_sent_nxt; 141 __u32 last_expected_una; 142 __u32 last_seen_una; 143 } __attribute__((packed)); 144 struct rds6_info_tcp_socket { 145 struct in6_addr local_addr; 146 __be16 local_port; 147 struct in6_addr peer_addr; 148 __be16 peer_port; 149 __u64 hdr_rem; 150 __u64 data_rem; 151 __u32 last_sent_nxt; 152 __u32 last_expected_una; 153 __u32 last_seen_una; 154 } __attribute__((packed)); 155 #define RDS_IB_GID_LEN 16 156 struct rds_info_rdma_connection { 157 __be32 src_addr; 158 __be32 dst_addr; 159 __u8 src_gid[RDS_IB_GID_LEN]; 160 __u8 dst_gid[RDS_IB_GID_LEN]; 161 __u32 max_send_wr; 162 __u32 max_recv_wr; 163 __u32 max_send_sge; 164 __u32 rdma_mr_max; 165 __u32 rdma_mr_size; 166 }; 167 struct rds6_info_rdma_connection { 168 struct in6_addr src_addr; 169 struct in6_addr dst_addr; 170 __u8 src_gid[RDS_IB_GID_LEN]; 171 __u8 dst_gid[RDS_IB_GID_LEN]; 172 __u32 max_send_wr; 173 __u32 max_recv_wr; 174 __u32 max_send_sge; 175 __u32 rdma_mr_max; 176 __u32 rdma_mr_size; 177 }; 178 enum rds_message_rxpath_latency { 179 RDS_MSG_RX_HDR_TO_DGRAM_START = 0, 180 RDS_MSG_RX_DGRAM_REASSEMBLE, 181 RDS_MSG_RX_DGRAM_DELIVERED, 182 RDS_MSG_RX_DGRAM_TRACE_MAX 183 }; 184 struct rds_rx_trace_so { 185 __u8 rx_traces; 186 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 187 }; 188 struct rds_cmsg_rx_trace { 189 __u8 rx_traces; 190 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 191 __u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX]; 192 }; 193 #define RDS_CONG_MONITOR_SIZE 64 194 #define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE) 195 #define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port)) 196 typedef __u64 rds_rdma_cookie_t; 197 struct rds_iovec { 198 __u64 addr; 199 __u64 bytes; 200 }; 201 struct rds_get_mr_args { 202 struct rds_iovec vec; 203 __u64 cookie_addr; 204 __u64 flags; 205 }; 206 struct rds_get_mr_for_dest_args { 207 struct sockaddr_storage dest_addr; 208 struct rds_iovec vec; 209 __u64 cookie_addr; 210 __u64 flags; 211 }; 212 struct rds_free_mr_args { 213 rds_rdma_cookie_t cookie; 214 __u64 flags; 215 }; 216 struct rds_rdma_args { 217 rds_rdma_cookie_t cookie; 218 struct rds_iovec remote_vec; 219 __u64 local_vec_addr; 220 __u64 nr_local; 221 __u64 flags; 222 __u64 user_token; 223 }; 224 struct rds_atomic_args { 225 rds_rdma_cookie_t cookie; 226 __u64 local_addr; 227 __u64 remote_addr; 228 union { 229 struct { 230 __u64 compare; 231 __u64 swap; 232 } cswp; 233 struct { 234 __u64 add; 235 } fadd; 236 struct { 237 __u64 compare; 238 __u64 swap; 239 __u64 compare_mask; 240 __u64 swap_mask; 241 } m_cswp; 242 struct { 243 __u64 add; 244 __u64 nocarry_mask; 245 } m_fadd; 246 }; 247 __u64 flags; 248 __u64 user_token; 249 }; 250 struct rds_rdma_notify { 251 __u64 user_token; 252 __s32 status; 253 }; 254 #define RDS_RDMA_SUCCESS 0 255 #define RDS_RDMA_REMOTE_ERROR 1 256 #define RDS_RDMA_CANCELED 2 257 #define RDS_RDMA_DROPPED 3 258 #define RDS_RDMA_OTHER_ERROR 4 259 #define RDS_MAX_ZCOOKIES 8 260 struct rds_zcopy_cookies { 261 __u32 num; 262 __u32 cookies[RDS_MAX_ZCOOKIES]; 263 }; 264 #define RDS_RDMA_READWRITE 0x0001 265 #define RDS_RDMA_FENCE 0x0002 266 #define RDS_RDMA_INVALIDATE 0x0004 267 #define RDS_RDMA_USE_ONCE 0x0008 268 #define RDS_RDMA_DONTWAIT 0x0010 269 #define RDS_RDMA_NOTIFY_ME 0x0020 270 #define RDS_RDMA_SILENT 0x0040 271 #endif 272
