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 #define RDS_IB_ABI_VERSION 0x301 23 #define SOL_RDS 276 24 #define RDS_CANCEL_SENT_TO 1 25 #define RDS_GET_MR 2 26 #define RDS_FREE_MR 3 27 #define RDS_RECVERR 5 28 #define RDS_CONG_MONITOR 6 29 #define RDS_GET_MR_FOR_DEST 7 30 #define SO_RDS_TRANSPORT 8 31 #define RDS_TRANS_IB 0 32 #define RDS_TRANS_IWARP 1 33 #define RDS_TRANS_TCP 2 34 #define RDS_TRANS_COUNT 3 35 #define RDS_TRANS_NONE (~0) 36 #define RDS_CMSG_RDMA_ARGS 1 37 #define RDS_CMSG_RDMA_DEST 2 38 #define RDS_CMSG_RDMA_MAP 3 39 #define RDS_CMSG_RDMA_STATUS 4 40 #define RDS_CMSG_CONG_UPDATE 5 41 #define RDS_CMSG_ATOMIC_FADD 6 42 #define RDS_CMSG_ATOMIC_CSWP 7 43 #define RDS_CMSG_MASKED_ATOMIC_FADD 8 44 #define RDS_CMSG_MASKED_ATOMIC_CSWP 9 45 #define RDS_INFO_FIRST 10000 46 #define RDS_INFO_COUNTERS 10000 47 #define RDS_INFO_CONNECTIONS 10001 48 #define RDS_INFO_SEND_MESSAGES 10003 49 #define RDS_INFO_RETRANS_MESSAGES 10004 50 #define RDS_INFO_RECV_MESSAGES 10005 51 #define RDS_INFO_SOCKETS 10006 52 #define RDS_INFO_TCP_SOCKETS 10007 53 #define RDS_INFO_IB_CONNECTIONS 10008 54 #define RDS_INFO_CONNECTION_STATS 10009 55 #define RDS_INFO_IWARP_CONNECTIONS 10010 56 #define RDS_INFO_LAST 10010 57 struct rds_info_counter { 58 uint8_t name[32]; 59 uint64_t value; 60 } __attribute__((packed)); 61 #define RDS_INFO_CONNECTION_FLAG_SENDING 0x01 62 #define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02 63 #define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04 64 #define TRANSNAMSIZ 16 65 struct rds_info_connection { 66 uint64_t next_tx_seq; 67 uint64_t next_rx_seq; 68 __be32 laddr; 69 __be32 faddr; 70 uint8_t transport[TRANSNAMSIZ]; 71 uint8_t flags; 72 } __attribute__((packed)); 73 #define RDS_INFO_MESSAGE_FLAG_ACK 0x01 74 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02 75 struct rds_info_message { 76 uint64_t seq; 77 uint32_t len; 78 __be32 laddr; 79 __be32 faddr; 80 __be16 lport; 81 __be16 fport; 82 uint8_t flags; 83 } __attribute__((packed)); 84 struct rds_info_socket { 85 uint32_t sndbuf; 86 __be32 bound_addr; 87 __be32 connected_addr; 88 __be16 bound_port; 89 __be16 connected_port; 90 uint32_t rcvbuf; 91 uint64_t inum; 92 } __attribute__((packed)); 93 struct rds_info_tcp_socket { 94 __be32 local_addr; 95 __be16 local_port; 96 __be32 peer_addr; 97 __be16 peer_port; 98 uint64_t hdr_rem; 99 uint64_t data_rem; 100 uint32_t last_sent_nxt; 101 uint32_t last_expected_una; 102 uint32_t last_seen_una; 103 } __attribute__((packed)); 104 #define RDS_IB_GID_LEN 16 105 struct rds_info_rdma_connection { 106 __be32 src_addr; 107 __be32 dst_addr; 108 uint8_t src_gid[RDS_IB_GID_LEN]; 109 uint8_t dst_gid[RDS_IB_GID_LEN]; 110 uint32_t max_send_wr; 111 uint32_t max_recv_wr; 112 uint32_t max_send_sge; 113 uint32_t rdma_mr_max; 114 uint32_t rdma_mr_size; 115 }; 116 #define RDS_CONG_MONITOR_SIZE 64 117 #define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE) 118 #define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port)) 119 typedef uint64_t rds_rdma_cookie_t; 120 struct rds_iovec { 121 uint64_t addr; 122 uint64_t bytes; 123 }; 124 struct rds_get_mr_args { 125 struct rds_iovec vec; 126 uint64_t cookie_addr; 127 uint64_t flags; 128 }; 129 struct rds_get_mr_for_dest_args { 130 struct sockaddr_storage dest_addr; 131 struct rds_iovec vec; 132 uint64_t cookie_addr; 133 uint64_t flags; 134 }; 135 struct rds_free_mr_args { 136 rds_rdma_cookie_t cookie; 137 uint64_t flags; 138 }; 139 struct rds_rdma_args { 140 rds_rdma_cookie_t cookie; 141 struct rds_iovec remote_vec; 142 uint64_t local_vec_addr; 143 uint64_t nr_local; 144 uint64_t flags; 145 uint64_t user_token; 146 }; 147 struct rds_atomic_args { 148 rds_rdma_cookie_t cookie; 149 uint64_t local_addr; 150 uint64_t remote_addr; 151 union { 152 struct { 153 uint64_t compare; 154 uint64_t swap; 155 } cswp; 156 struct { 157 uint64_t add; 158 } fadd; 159 struct { 160 uint64_t compare; 161 uint64_t swap; 162 uint64_t compare_mask; 163 uint64_t swap_mask; 164 } m_cswp; 165 struct { 166 uint64_t add; 167 uint64_t nocarry_mask; 168 } m_fadd; 169 }; 170 uint64_t flags; 171 uint64_t user_token; 172 }; 173 struct rds_rdma_notify { 174 uint64_t user_token; 175 int32_t status; 176 }; 177 #define RDS_RDMA_SUCCESS 0 178 #define RDS_RDMA_REMOTE_ERROR 1 179 #define RDS_RDMA_CANCELED 2 180 #define RDS_RDMA_DROPPED 3 181 #define RDS_RDMA_OTHER_ERROR 4 182 #define RDS_RDMA_READWRITE 0x0001 183 #define RDS_RDMA_FENCE 0x0002 184 #define RDS_RDMA_INVALIDATE 0x0004 185 #define RDS_RDMA_USE_ONCE 0x0008 186 #define RDS_RDMA_DONTWAIT 0x0010 187 #define RDS_RDMA_NOTIFY_ME 0x0020 188 #define RDS_RDMA_SILENT 0x0040 189 #endif 190