diff options
Diffstat (limited to 'tools/pkg/0/mlibc/linux-headers/linux/rds.h')
| -rw-r--r-- | tools/pkg/0/mlibc/linux-headers/linux/rds.h | 421 |
1 files changed, 0 insertions, 421 deletions
diff --git a/tools/pkg/0/mlibc/linux-headers/linux/rds.h b/tools/pkg/0/mlibc/linux-headers/linux/rds.h deleted file mode 100644 index c21edb9..0000000 --- a/tools/pkg/0/mlibc/linux-headers/linux/rds.h +++ /dev/null @@ -1,421 +0,0 @@ -/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ -/* - * Copyright (c) 2008, 2018 Oracle and/or its affiliates. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - */ - -#ifndef _LINUX_RDS_H -#define _LINUX_RDS_H - -#include <linux/types.h> -#include <linux/socket.h> /* For __kernel_sockaddr_storage. */ -#include <linux/in6.h> /* For struct in6_addr. */ - -#define RDS_IB_ABI_VERSION 0x301 - -#define SOL_RDS 276 - -/* - * setsockopt/getsockopt for SOL_RDS - */ -#define RDS_CANCEL_SENT_TO 1 -#define RDS_GET_MR 2 -#define RDS_FREE_MR 3 -/* deprecated: RDS_BARRIER 4 */ -#define RDS_RECVERR 5 -#define RDS_CONG_MONITOR 6 -#define RDS_GET_MR_FOR_DEST 7 -#define SO_RDS_TRANSPORT 8 - -/* Socket option to tap receive path latency - * SO_RDS: SO_RDS_MSG_RXPATH_LATENCY - * Format used struct rds_rx_trace_so - */ -#define SO_RDS_MSG_RXPATH_LATENCY 10 - - -/* supported values for SO_RDS_TRANSPORT */ -#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) -/* don't use RDS_TRANS_IWARP - it is deprecated */ -#define RDS_TRANS_IWARP RDS_TRANS_GAP - -/* IOCTLS commands for SOL_RDS */ -#define SIOCRDSSETTOS (SIOCPROTOPRIVATE) -#define SIOCRDSGETTOS (SIOCPROTOPRIVATE + 1) - -typedef __u8 rds_tos_t; - -/* - * Control message types for SOL_RDS. - * - * CMSG_RDMA_ARGS (sendmsg) - * Request a RDMA transfer to/from the specified - * memory ranges. - * The cmsg_data is a struct rds_rdma_args. - * RDS_CMSG_RDMA_DEST (recvmsg, sendmsg) - * Kernel informs application about intended - * source/destination of a RDMA transfer - * RDS_CMSG_RDMA_MAP (sendmsg) - * Application asks kernel to map the given - * memory range into a IB MR, and send the - * R_Key along in an RDS extension header. - * The cmsg_data is a struct rds_get_mr_args, - * the same as for the GET_MR setsockopt. - * RDS_CMSG_RDMA_STATUS (recvmsg) - * Returns the status of a completed RDMA operation. - * RDS_CMSG_RXPATH_LATENCY(recvmsg) - * Returns rds message latencies in various stages of receive - * path in nS. Its set per socket using SO_RDS_MSG_RXPATH_LATENCY - * socket option. Legitimate points are defined in - * enum rds_message_rxpath_latency. More points can be added in - * future. CSMG format is struct rds_cmsg_rx_trace. - */ -#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 -/* 10002 aka RDS_INFO_FLOWS is deprecated */ -#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 - -/* PF_RDS6 options */ -#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]; /* null term ascii */ - __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]; /* null term ascii */ - __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; -}; - -/* RDS message Receive Path Latency points */ -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]; -}; - -/* - * Congestion monitoring. - * Congestion control in RDS happens at the host connection - * level by exchanging a bitmap marking congested ports. - * By default, a process sleeping in poll() is always woken - * up when the congestion map is updated. - * With explicit monitoring, an application can have more - * fine-grained control. - * The application installs a 64bit mask value in the socket, - * where each bit corresponds to a group of ports. - * When a congestion update arrives, RDS checks the set of - * ports that are now uncongested against the list bit mask - * installed in the socket, and if they overlap, we queue a - * cong_notification on the socket. - * - * To install the congestion monitor bitmask, use RDS_CONG_MONITOR - * with the 64bit mask. - * Congestion updates are received via RDS_CMSG_CONG_UPDATE - * control messages. - * - * The correspondence between bits and ports is - * 1 << (portnum % 64) - */ -#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)) - -/* - * RDMA related types - */ - -/* - * This encapsulates a remote memory location. - * In the current implementation, it contains the R_Key - * of the remote memory region, and the offset into it - * (so that the application does not have to worry about - * alignment). - */ -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 __kernel_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]; -}; - -/* - * Common set of flags for all RDMA related structs - */ -#define RDS_RDMA_READWRITE 0x0001 -#define RDS_RDMA_FENCE 0x0002 /* use FENCE for immediate send */ -#define RDS_RDMA_INVALIDATE 0x0004 /* invalidate R_Key after freeing MR */ -#define RDS_RDMA_USE_ONCE 0x0008 /* free MR after use */ -#define RDS_RDMA_DONTWAIT 0x0010 /* Don't wait in SET_BARRIER */ -#define RDS_RDMA_NOTIFY_ME 0x0020 /* Notify when operation completes */ -#define RDS_RDMA_SILENT 0x0040 /* Do not interrupt remote */ - -#endif /* IB_RDS_H */ |