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_GAP 1 36 #define RDS_TRANS_TCP 2 37 #define RDS_TRANS_COUNT 3 38 #define RDS_TRANS_NONE (~0) 39 #define RDS_TRANS_IWARP RDS_TRANS_GAP 40 #define SIOCRDSSETTOS (SIOCPROTOPRIVATE) 41 #define SIOCRDSGETTOS (SIOCPROTOPRIVATE + 1) 42 typedef __u8 rds_tos_t; 43 #define RDS_CMSG_RDMA_ARGS 1 44 #define RDS_CMSG_RDMA_DEST 2 45 #define RDS_CMSG_RDMA_MAP 3 46 #define RDS_CMSG_RDMA_STATUS 4 47 #define RDS_CMSG_CONG_UPDATE 5 48 #define RDS_CMSG_ATOMIC_FADD 6 49 #define RDS_CMSG_ATOMIC_CSWP 7 50 #define RDS_CMSG_MASKED_ATOMIC_FADD 8 51 #define RDS_CMSG_MASKED_ATOMIC_CSWP 9 52 #define RDS_CMSG_RXPATH_LATENCY 11 53 #define RDS_CMSG_ZCOPY_COOKIE 12 54 #define RDS_CMSG_ZCOPY_COMPLETION 13 55 #define RDS_INFO_FIRST 10000 56 #define RDS_INFO_COUNTERS 10000 57 #define RDS_INFO_CONNECTIONS 10001 58 #define RDS_INFO_SEND_MESSAGES 10003 59 #define RDS_INFO_RETRANS_MESSAGES 10004 60 #define RDS_INFO_RECV_MESSAGES 10005 61 #define RDS_INFO_SOCKETS 10006 62 #define RDS_INFO_TCP_SOCKETS 10007 63 #define RDS_INFO_IB_CONNECTIONS 10008 64 #define RDS_INFO_CONNECTION_STATS 10009 65 #define RDS_INFO_IWARP_CONNECTIONS 10010 66 #define RDS6_INFO_CONNECTIONS 10011 67 #define RDS6_INFO_SEND_MESSAGES 10012 68 #define RDS6_INFO_RETRANS_MESSAGES 10013 69 #define RDS6_INFO_RECV_MESSAGES 10014 70 #define RDS6_INFO_SOCKETS 10015 71 #define RDS6_INFO_TCP_SOCKETS 10016 72 #define RDS6_INFO_IB_CONNECTIONS 10017 73 #define RDS_INFO_LAST 10017 74 struct rds_info_counter { 75 __u8 name[32]; 76 __u64 value; 77 } __attribute__((packed)); 78 #define RDS_INFO_CONNECTION_FLAG_SENDING 0x01 79 #define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02 80 #define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04 81 #define TRANSNAMSIZ 16 82 struct rds_info_connection { 83 __u64 next_tx_seq; 84 __u64 next_rx_seq; 85 __be32 laddr; 86 __be32 faddr; 87 __u8 transport[TRANSNAMSIZ]; 88 __u8 flags; 89 __u8 tos; 90 } __attribute__((packed)); 91 struct rds6_info_connection { 92 __u64 next_tx_seq; 93 __u64 next_rx_seq; 94 struct in6_addr laddr; 95 struct in6_addr faddr; 96 __u8 transport[TRANSNAMSIZ]; 97 __u8 flags; 98 } __attribute__((packed)); 99 #define RDS_INFO_MESSAGE_FLAG_ACK 0x01 100 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02 101 struct rds_info_message { 102 __u64 seq; 103 __u32 len; 104 __be32 laddr; 105 __be32 faddr; 106 __be16 lport; 107 __be16 fport; 108 __u8 flags; 109 __u8 tos; 110 } __attribute__((packed)); 111 struct rds6_info_message { 112 __u64 seq; 113 __u32 len; 114 struct in6_addr laddr; 115 struct in6_addr faddr; 116 __be16 lport; 117 __be16 fport; 118 __u8 flags; 119 __u8 tos; 120 } __attribute__((packed)); 121 struct rds_info_socket { 122 __u32 sndbuf; 123 __be32 bound_addr; 124 __be32 connected_addr; 125 __be16 bound_port; 126 __be16 connected_port; 127 __u32 rcvbuf; 128 __u64 inum; 129 } __attribute__((packed)); 130 struct rds6_info_socket { 131 __u32 sndbuf; 132 struct in6_addr bound_addr; 133 struct in6_addr connected_addr; 134 __be16 bound_port; 135 __be16 connected_port; 136 __u32 rcvbuf; 137 __u64 inum; 138 } __attribute__((packed)); 139 struct rds_info_tcp_socket { 140 __be32 local_addr; 141 __be16 local_port; 142 __be32 peer_addr; 143 __be16 peer_port; 144 __u64 hdr_rem; 145 __u64 data_rem; 146 __u32 last_sent_nxt; 147 __u32 last_expected_una; 148 __u32 last_seen_una; 149 __u8 tos; 150 } __attribute__((packed)); 151 struct rds6_info_tcp_socket { 152 struct in6_addr local_addr; 153 __be16 local_port; 154 struct in6_addr peer_addr; 155 __be16 peer_port; 156 __u64 hdr_rem; 157 __u64 data_rem; 158 __u32 last_sent_nxt; 159 __u32 last_expected_una; 160 __u32 last_seen_una; 161 } __attribute__((packed)); 162 #define RDS_IB_GID_LEN 16 163 struct rds_info_rdma_connection { 164 __be32 src_addr; 165 __be32 dst_addr; 166 __u8 src_gid[RDS_IB_GID_LEN]; 167 __u8 dst_gid[RDS_IB_GID_LEN]; 168 __u32 max_send_wr; 169 __u32 max_recv_wr; 170 __u32 max_send_sge; 171 __u32 rdma_mr_max; 172 __u32 rdma_mr_size; 173 __u8 tos; 174 __u8 sl; 175 __u32 cache_allocs; 176 }; 177 struct rds6_info_rdma_connection { 178 struct in6_addr src_addr; 179 struct in6_addr dst_addr; 180 __u8 src_gid[RDS_IB_GID_LEN]; 181 __u8 dst_gid[RDS_IB_GID_LEN]; 182 __u32 max_send_wr; 183 __u32 max_recv_wr; 184 __u32 max_send_sge; 185 __u32 rdma_mr_max; 186 __u32 rdma_mr_size; 187 __u8 tos; 188 __u8 sl; 189 __u32 cache_allocs; 190 }; 191 enum rds_message_rxpath_latency { 192 RDS_MSG_RX_HDR_TO_DGRAM_START = 0, 193 RDS_MSG_RX_DGRAM_REASSEMBLE, 194 RDS_MSG_RX_DGRAM_DELIVERED, 195 RDS_MSG_RX_DGRAM_TRACE_MAX 196 }; 197 struct rds_rx_trace_so { 198 __u8 rx_traces; 199 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 200 }; 201 struct rds_cmsg_rx_trace { 202 __u8 rx_traces; 203 __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; 204 __u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX]; 205 }; 206 #define RDS_CONG_MONITOR_SIZE 64 207 #define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE) 208 #define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port)) 209 typedef __u64 rds_rdma_cookie_t; 210 struct rds_iovec { 211 __u64 addr; 212 __u64 bytes; 213 }; 214 struct rds_get_mr_args { 215 struct rds_iovec vec; 216 __u64 cookie_addr; 217 __u64 flags; 218 }; 219 struct rds_get_mr_for_dest_args { 220 struct sockaddr_storage dest_addr; 221 struct rds_iovec vec; 222 __u64 cookie_addr; 223 __u64 flags; 224 }; 225 struct rds_free_mr_args { 226 rds_rdma_cookie_t cookie; 227 __u64 flags; 228 }; 229 struct rds_rdma_args { 230 rds_rdma_cookie_t cookie; 231 struct rds_iovec remote_vec; 232 __u64 local_vec_addr; 233 __u64 nr_local; 234 __u64 flags; 235 __u64 user_token; 236 }; 237 struct rds_atomic_args { 238 rds_rdma_cookie_t cookie; 239 __u64 local_addr; 240 __u64 remote_addr; 241 union { 242 struct { 243 __u64 compare; 244 __u64 swap; 245 } cswp; 246 struct { 247 __u64 add; 248 } fadd; 249 struct { 250 __u64 compare; 251 __u64 swap; 252 __u64 compare_mask; 253 __u64 swap_mask; 254 } m_cswp; 255 struct { 256 __u64 add; 257 __u64 nocarry_mask; 258 } m_fadd; 259 }; 260 __u64 flags; 261 __u64 user_token; 262 }; 263 struct rds_rdma_notify { 264 __u64 user_token; 265 __s32 status; 266 }; 267 #define RDS_RDMA_SUCCESS 0 268 #define RDS_RDMA_REMOTE_ERROR 1 269 #define RDS_RDMA_CANCELED 2 270 #define RDS_RDMA_DROPPED 3 271 #define RDS_RDMA_OTHER_ERROR 4 272 #define RDS_MAX_ZCOOKIES 8 273 struct rds_zcopy_cookies { 274 __u32 num; 275 __u32 cookies[RDS_MAX_ZCOOKIES]; 276 }; 277 #define RDS_RDMA_READWRITE 0x0001 278 #define RDS_RDMA_FENCE 0x0002 279 #define RDS_RDMA_INVALIDATE 0x0004 280 #define RDS_RDMA_USE_ONCE 0x0008 281 #define RDS_RDMA_DONTWAIT 0x0010 282 #define RDS_RDMA_NOTIFY_ME 0x0020 283 #define RDS_RDMA_SILENT 0x0040 284 #endif 285