285 lines
7.3 KiB
C
285 lines
7.3 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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*** To edit the content of this header, modify the corresponding
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*** source file (e.g. under external/kernel-headers/original/) then
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*** run bionic/libc/kernel/tools/update_all.py
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***
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*** Any manual change here will be lost the next time this script will
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*** be run. You've been warned!
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _LINUX_RDS_H
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#define _LINUX_RDS_H
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#include <linux/types.h>
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#include <linux/socket.h>
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#include <linux/in6.h>
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#define RDS_IB_ABI_VERSION 0x301
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#define SOL_RDS 276
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#define RDS_CANCEL_SENT_TO 1
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#define RDS_GET_MR 2
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#define RDS_FREE_MR 3
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#define RDS_RECVERR 5
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#define RDS_CONG_MONITOR 6
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#define RDS_GET_MR_FOR_DEST 7
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#define SO_RDS_TRANSPORT 8
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#define SO_RDS_MSG_RXPATH_LATENCY 10
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#define RDS_TRANS_IB 0
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#define RDS_TRANS_GAP 1
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#define RDS_TRANS_TCP 2
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#define RDS_TRANS_COUNT 3
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#define RDS_TRANS_NONE (~0)
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#define RDS_TRANS_IWARP RDS_TRANS_GAP
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#define SIOCRDSSETTOS (SIOCPROTOPRIVATE)
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#define SIOCRDSGETTOS (SIOCPROTOPRIVATE + 1)
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typedef __u8 rds_tos_t;
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#define RDS_CMSG_RDMA_ARGS 1
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#define RDS_CMSG_RDMA_DEST 2
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#define RDS_CMSG_RDMA_MAP 3
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#define RDS_CMSG_RDMA_STATUS 4
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#define RDS_CMSG_CONG_UPDATE 5
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#define RDS_CMSG_ATOMIC_FADD 6
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#define RDS_CMSG_ATOMIC_CSWP 7
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#define RDS_CMSG_MASKED_ATOMIC_FADD 8
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#define RDS_CMSG_MASKED_ATOMIC_CSWP 9
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#define RDS_CMSG_RXPATH_LATENCY 11
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#define RDS_CMSG_ZCOPY_COOKIE 12
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#define RDS_CMSG_ZCOPY_COMPLETION 13
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#define RDS_INFO_FIRST 10000
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#define RDS_INFO_COUNTERS 10000
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#define RDS_INFO_CONNECTIONS 10001
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#define RDS_INFO_SEND_MESSAGES 10003
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#define RDS_INFO_RETRANS_MESSAGES 10004
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#define RDS_INFO_RECV_MESSAGES 10005
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#define RDS_INFO_SOCKETS 10006
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#define RDS_INFO_TCP_SOCKETS 10007
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#define RDS_INFO_IB_CONNECTIONS 10008
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#define RDS_INFO_CONNECTION_STATS 10009
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#define RDS_INFO_IWARP_CONNECTIONS 10010
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#define RDS6_INFO_CONNECTIONS 10011
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#define RDS6_INFO_SEND_MESSAGES 10012
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#define RDS6_INFO_RETRANS_MESSAGES 10013
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#define RDS6_INFO_RECV_MESSAGES 10014
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#define RDS6_INFO_SOCKETS 10015
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#define RDS6_INFO_TCP_SOCKETS 10016
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#define RDS6_INFO_IB_CONNECTIONS 10017
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#define RDS_INFO_LAST 10017
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struct rds_info_counter {
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__u8 name[32];
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__u64 value;
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} __attribute__((packed));
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#define RDS_INFO_CONNECTION_FLAG_SENDING 0x01
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#define RDS_INFO_CONNECTION_FLAG_CONNECTING 0x02
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#define RDS_INFO_CONNECTION_FLAG_CONNECTED 0x04
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#define TRANSNAMSIZ 16
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struct rds_info_connection {
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__u64 next_tx_seq;
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__u64 next_rx_seq;
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__be32 laddr;
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__be32 faddr;
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__u8 transport[TRANSNAMSIZ];
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__u8 flags;
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__u8 tos;
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} __attribute__((packed));
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struct rds6_info_connection {
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__u64 next_tx_seq;
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__u64 next_rx_seq;
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struct in6_addr laddr;
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struct in6_addr faddr;
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__u8 transport[TRANSNAMSIZ];
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__u8 flags;
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} __attribute__((packed));
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#define RDS_INFO_MESSAGE_FLAG_ACK 0x01
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#define RDS_INFO_MESSAGE_FLAG_FAST_ACK 0x02
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struct rds_info_message {
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__u64 seq;
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__u32 len;
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__be32 laddr;
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__be32 faddr;
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__be16 lport;
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__be16 fport;
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__u8 flags;
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__u8 tos;
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} __attribute__((packed));
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struct rds6_info_message {
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__u64 seq;
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__u32 len;
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struct in6_addr laddr;
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struct in6_addr faddr;
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__be16 lport;
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__be16 fport;
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__u8 flags;
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__u8 tos;
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} __attribute__((packed));
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struct rds_info_socket {
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__u32 sndbuf;
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__be32 bound_addr;
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__be32 connected_addr;
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__be16 bound_port;
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__be16 connected_port;
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__u32 rcvbuf;
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__u64 inum;
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} __attribute__((packed));
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struct rds6_info_socket {
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__u32 sndbuf;
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struct in6_addr bound_addr;
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struct in6_addr connected_addr;
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__be16 bound_port;
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__be16 connected_port;
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__u32 rcvbuf;
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__u64 inum;
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} __attribute__((packed));
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struct rds_info_tcp_socket {
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__be32 local_addr;
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__be16 local_port;
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__be32 peer_addr;
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__be16 peer_port;
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__u64 hdr_rem;
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__u64 data_rem;
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__u32 last_sent_nxt;
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__u32 last_expected_una;
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__u32 last_seen_una;
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__u8 tos;
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} __attribute__((packed));
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struct rds6_info_tcp_socket {
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struct in6_addr local_addr;
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__be16 local_port;
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struct in6_addr peer_addr;
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__be16 peer_port;
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__u64 hdr_rem;
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__u64 data_rem;
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__u32 last_sent_nxt;
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__u32 last_expected_una;
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__u32 last_seen_una;
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} __attribute__((packed));
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#define RDS_IB_GID_LEN 16
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struct rds_info_rdma_connection {
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__be32 src_addr;
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__be32 dst_addr;
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__u8 src_gid[RDS_IB_GID_LEN];
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__u8 dst_gid[RDS_IB_GID_LEN];
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__u32 max_send_wr;
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__u32 max_recv_wr;
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__u32 max_send_sge;
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__u32 rdma_mr_max;
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__u32 rdma_mr_size;
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__u8 tos;
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__u8 sl;
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__u32 cache_allocs;
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};
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struct rds6_info_rdma_connection {
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struct in6_addr src_addr;
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struct in6_addr dst_addr;
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__u8 src_gid[RDS_IB_GID_LEN];
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__u8 dst_gid[RDS_IB_GID_LEN];
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__u32 max_send_wr;
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__u32 max_recv_wr;
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__u32 max_send_sge;
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__u32 rdma_mr_max;
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__u32 rdma_mr_size;
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__u8 tos;
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__u8 sl;
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__u32 cache_allocs;
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};
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enum rds_message_rxpath_latency {
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RDS_MSG_RX_HDR_TO_DGRAM_START = 0,
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RDS_MSG_RX_DGRAM_REASSEMBLE,
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RDS_MSG_RX_DGRAM_DELIVERED,
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RDS_MSG_RX_DGRAM_TRACE_MAX
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};
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struct rds_rx_trace_so {
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__u8 rx_traces;
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__u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX];
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};
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struct rds_cmsg_rx_trace {
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__u8 rx_traces;
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__u8 rx_trace_pos[RDS_MSG_RX_DGRAM_TRACE_MAX];
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__u64 rx_trace[RDS_MSG_RX_DGRAM_TRACE_MAX];
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};
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#define RDS_CONG_MONITOR_SIZE 64
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#define RDS_CONG_MONITOR_BIT(port) (((unsigned int) port) % RDS_CONG_MONITOR_SIZE)
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#define RDS_CONG_MONITOR_MASK(port) (1ULL << RDS_CONG_MONITOR_BIT(port))
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typedef __u64 rds_rdma_cookie_t;
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struct rds_iovec {
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__u64 addr;
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__u64 bytes;
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};
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struct rds_get_mr_args {
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struct rds_iovec vec;
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__u64 cookie_addr;
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__u64 flags;
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};
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struct rds_get_mr_for_dest_args {
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struct __kernel_sockaddr_storage dest_addr;
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struct rds_iovec vec;
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__u64 cookie_addr;
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__u64 flags;
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};
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struct rds_free_mr_args {
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rds_rdma_cookie_t cookie;
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__u64 flags;
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};
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struct rds_rdma_args {
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rds_rdma_cookie_t cookie;
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struct rds_iovec remote_vec;
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__u64 local_vec_addr;
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__u64 nr_local;
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__u64 flags;
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__u64 user_token;
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};
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struct rds_atomic_args {
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rds_rdma_cookie_t cookie;
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__u64 local_addr;
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__u64 remote_addr;
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union {
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struct {
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__u64 compare;
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__u64 swap;
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} cswp;
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struct {
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__u64 add;
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} fadd;
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struct {
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__u64 compare;
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__u64 swap;
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__u64 compare_mask;
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__u64 swap_mask;
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} m_cswp;
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struct {
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__u64 add;
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__u64 nocarry_mask;
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} m_fadd;
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};
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__u64 flags;
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__u64 user_token;
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};
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struct rds_rdma_notify {
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__u64 user_token;
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__s32 status;
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};
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#define RDS_RDMA_SUCCESS 0
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#define RDS_RDMA_REMOTE_ERROR 1
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#define RDS_RDMA_CANCELED 2
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#define RDS_RDMA_DROPPED 3
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#define RDS_RDMA_OTHER_ERROR 4
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#define RDS_MAX_ZCOOKIES 8
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struct rds_zcopy_cookies {
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__u32 num;
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__u32 cookies[RDS_MAX_ZCOOKIES];
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};
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#define RDS_RDMA_READWRITE 0x0001
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#define RDS_RDMA_FENCE 0x0002
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#define RDS_RDMA_INVALIDATE 0x0004
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#define RDS_RDMA_USE_ONCE 0x0008
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#define RDS_RDMA_DONTWAIT 0x0010
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#define RDS_RDMA_NOTIFY_ME 0x0020
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#define RDS_RDMA_SILENT 0x0040
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#endif
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