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