/**************************************************************************** **************************************************************************** *** *** This header was automatically generated from a Linux kernel header *** of the same name, to make information necessary for userspace to *** call into the kernel available to libc. It contains only constants, *** structures, and macros generated from the original header, and thus, *** contains no copyrightable information. *** *** To edit the content of this header, modify the corresponding *** source file (e.g. under external/kernel-headers/original/) then *** run bionic/libc/kernel/tools/update_all.py *** *** Any manual change here will be lost the next time this script will *** be run. You've been warned! *** **************************************************************************** ****************************************************************************/ #ifndef _LINUX_RDS_H #define _LINUX_RDS_H #include #include #include #define RDS_IB_ABI_VERSION 0x301 #define SOL_RDS 276 #define RDS_CANCEL_SENT_TO 1 #define RDS_GET_MR 2 #define RDS_FREE_MR 3 #define RDS_RECVERR 5 #define RDS_CONG_MONITOR 6 #define RDS_GET_MR_FOR_DEST 7 #define SO_RDS_TRANSPORT 8 #define SO_RDS_MSG_RXPATH_LATENCY 10 #define RDS_TRANS_IB 0 #define RDS_TRANS_GAP 1 #define RDS_TRANS_TCP 2 #define RDS_TRANS_COUNT 3 #define RDS_TRANS_NONE (~0) #define RDS_TRANS_IWARP RDS_TRANS_GAP #define SIOCRDSSETTOS (SIOCPROTOPRIVATE) #define SIOCRDSGETTOS (SIOCPROTOPRIVATE + 1) typedef __u8 rds_tos_t; #define RDS_CMSG_RDMA_ARGS 1 #define RDS_CMSG_RDMA_DEST 2 #define RDS_CMSG_RDMA_MAP 3 #define RDS_CMSG_RDMA_STATUS 4 #define RDS_CMSG_CONG_UPDATE 5 #define RDS_CMSG_ATOMIC_FADD 6 #define RDS_CMSG_ATOMIC_CSWP 7 #define RDS_CMSG_MASKED_ATOMIC_FADD 8 #define RDS_CMSG_MASKED_ATOMIC_CSWP 9 #define RDS_CMSG_RXPATH_LATENCY 11 #define RDS_CMSG_ZCOPY_COOKIE 12 #define RDS_CMSG_ZCOPY_COMPLETION 13 #define RDS_INFO_FIRST 10000 #define RDS_INFO_COUNTERS 10000 #define RDS_INFO_CONNECTIONS 10001 #define RDS_INFO_SEND_MESSAGES 10003 #define RDS_INFO_RETRANS_MESSAGES 10004 #define RDS_INFO_RECV_MESSAGES 10005 #define RDS_INFO_SOCKETS 10006 #define RDS_INFO_TCP_SOCKETS 10007 #define RDS_INFO_IB_CONNECTIONS 10008 #define RDS_INFO_CONNECTION_STATS 10009 #define RDS_INFO_IWARP_CONNECTIONS 10010 #define RDS6_INFO_CONNECTIONS 10011 #define RDS6_INFO_SEND_MESSAGES 10012 #define RDS6_INFO_RETRANS_MESSAGES 10013 #define RDS6_INFO_RECV_MESSAGES 10014 #define RDS6_INFO_SOCKETS 10015 #define RDS6_INFO_TCP_SOCKETS 10016 #define RDS6_INFO_IB_CONNECTIONS 10017 #define RDS_INFO_LAST 10017 struct rds_info_counter { __u8 name[32]; __u64 value; } __attribute__((packed)); #define RDS_INFO_CONNECTION_FLAG_SENDING 0x01 #define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02 #define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04 #define TRANSNAMSIZ 16 struct rds_info_connection { __u64 next_tx_seq; __u64 next_rx_seq; __be32 laddr; __be32 faddr; __u8 transport[TRANSNAMSIZ]; __u8 flags; __u8 tos; } __attribute__((packed)); struct rds6_info_connection { __u64 next_tx_seq; __u64 next_rx_seq; struct in6_addr laddr; struct in6_addr faddr; __u8 transport[TRANSNAMSIZ]; __u8 flags; } __attribute__((packed)); #define RDS_INFO_MESSAGE_FLAG_ACK 0x01 #define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02 struct rds_info_message { __u64 seq; __u32 len; __be32 laddr; __be32 faddr; __be16 lport; __be16 fport; __u8 flags; __u8 tos; } __attribute__((packed)); struct rds6_info_message { __u64 seq; __u32 len; struct in6_addr laddr; struct in6_addr faddr; __be16 lport; __be16 fport; __u8 flags; __u8 tos; } __attribute__((packed)); struct rds_info_socket { __u32 sndbuf; __be32 bound_addr; __be32 connected_addr; __be16 bound_port; __be16 connected_port; __u32 rcvbuf; __u64 inum; } __attribute__((packed)); struct rds6_info_socket { __u32 sndbuf; struct in6_addr bound_addr; struct in6_addr connected_addr; __be16 bound_port; __be16 connected_port; __u32 rcvbuf; __u64 inum; } __attribute__((packed)); struct rds_info_tcp_socket { __be32 local_addr; __be16 local_port; __be32 peer_addr; __be16 peer_port; __u64 hdr_rem; __u64 data_rem; __u32 last_sent_nxt; __u32 last_expected_una; __u32 last_seen_una; __u8 tos; } __attribute__((packed)); struct rds6_info_tcp_socket { struct in6_addr local_addr; __be16 local_port; struct in6_addr peer_addr; __be16 peer_port; __u64 hdr_rem; __u64 data_rem; __u32 last_sent_nxt; __u32 last_expected_una; __u32 last_seen_una; } __attribute__((packed)); #define RDS_IB_GID_LEN 16 struct rds_info_rdma_connection { __be32 src_addr; __be32 dst_addr; __u8 src_gid[RDS_IB_GID_LEN]; __u8 dst_gid[RDS_IB_GID_LEN]; __u32 max_send_wr; __u32 max_recv_wr; __u32 max_send_sge; __u32 rdma_mr_max; __u32 rdma_mr_size; __u8 tos; __u8 sl; __u32 cache_allocs; }; struct rds6_info_rdma_connection { struct in6_addr src_addr; struct in6_addr dst_addr; __u8 src_gid[RDS_IB_GID_LEN]; __u8 dst_gid[RDS_IB_GID_LEN]; __u32 max_send_wr; __u32 max_recv_wr; __u32 max_send_sge; __u32 rdma_mr_max; __u32 rdma_mr_size; __u8 tos; __u8 sl; __u32 cache_allocs; }; enum rds_message_rxpath_latency { RDS_MSG_RX_HDR_TO_DGRAM_START = 0, RDS_MSG_RX_DGRAM_REASSEMBLE, RDS_MSG_RX_DGRAM_DELIVERED, RDS_MSG_RX_DGRAM_TRACE_MAX }; struct rds_rx_trace_so { __u8 rx_traces; __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; }; struct rds_cmsg_rx_trace { __u8 rx_traces; __u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX]; __u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX]; }; #define RDS_CONG_MONITOR_SIZE 64 #define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE) #define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port)) typedef __u64 rds_rdma_cookie_t; struct rds_iovec { __u64 addr; __u64 bytes; }; struct rds_get_mr_args { struct rds_iovec vec; __u64 cookie_addr; __u64 flags; }; struct rds_get_mr_for_dest_args { struct sockaddr_storage dest_addr; struct rds_iovec vec; __u64 cookie_addr; __u64 flags; }; struct rds_free_mr_args { rds_rdma_cookie_t cookie; __u64 flags; }; struct rds_rdma_args { rds_rdma_cookie_t cookie; struct rds_iovec remote_vec; __u64 local_vec_addr; __u64 nr_local; __u64 flags; __u64 user_token; }; struct rds_atomic_args { rds_rdma_cookie_t cookie; __u64 local_addr; __u64 remote_addr; union { struct { __u64 compare; __u64 swap; } cswp; struct { __u64 add; } fadd; struct { __u64 compare; __u64 swap; __u64 compare_mask; __u64 swap_mask; } m_cswp; struct { __u64 add; __u64 nocarry_mask; } m_fadd; }; __u64 flags; __u64 user_token; }; struct rds_rdma_notify { __u64 user_token; __s32 status; }; #define RDS_RDMA_SUCCESS 0 #define RDS_RDMA_REMOTE_ERROR 1 #define RDS_RDMA_CANCELED 2 #define RDS_RDMA_DROPPED 3 #define RDS_RDMA_OTHER_ERROR 4 #define RDS_MAX_ZCOOKIES 8 struct rds_zcopy_cookies { __u32 num; __u32 cookies[RDS_MAX_ZCOOKIES]; }; #define RDS_RDMA_READWRITE 0x0001 #define RDS_RDMA_FENCE 0x0002 #define RDS_RDMA_INVALIDATE 0x0004 #define RDS_RDMA_USE_ONCE 0x0008 #define RDS_RDMA_DONTWAIT 0x0010 #define RDS_RDMA_NOTIFY_ME 0x0020 #define RDS_RDMA_SILENT 0x0040 #endif