c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/*
16e76cdd6e3cfaac7d91c3b0644ee1bc6cf52347agiri * This file contains definitions imported from the OFED rds header ib.h.
16e76cdd6e3cfaac7d91c3b0644ee1bc6cf52347agiri * Oracle elects to have and use the contents of ib.h under and
16e76cdd6e3cfaac7d91c3b0644ee1bc6cf52347agiri * governed by the OpenIB.org BSD license.
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/*
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#ifndef _RDSV3_IB_H
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define _RDSV3_IB_H
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#include <sys/rds.h>
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#include <sys/ib/clients/rdsv3/rdsv3.h>
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#include <sys/ib/clients/rdsv3/rdma_transport.h>
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota#include <sys/ib/clients/rdsv3/rdsv3_af_thr.h>
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_FMR_SIZE 256
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_FMR_POOL_SIZE (12 * 1024)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_IB_MAX_SGE 8
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_IB_RECV_SGE 2
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_IB_DEFAULT_RECV_WR 1024
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_IB_DEFAULT_SEND_WR 256
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_IB_DEFAULT_RETRY_COUNT 2
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* minor versions supported */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_IB_SUPPORTED_PROTOCOLS 0x00000003
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
5e12ddada2833f3aa285210603ce9aaeb8be35ccEiji Ota#define RDSV3_IB_MAX_RECV_ALLOC ((512 * 1024 * 1024) / RDSV3_FRAG_SIZE)
5e12ddada2833f3aa285210603ce9aaeb8be35ccEiji Ota#define RDSV3_IB_WC_POLL_SIZE 16
5e12ddada2833f3aa285210603ce9aaeb8be35ccEiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern struct list rdsv3_ib_devices;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/*
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * IB posts RDSV3_FRAG_SIZE fragments of pages to the receive queues to
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * try and minimize the amount of memory tied up both the device and
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * socket receive queues.
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* page offset of the final full frag that fits in the page */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_PAGE_LAST_OFF \
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota (((PAGE_SIZE / RDSV3_FRAG_SIZE) - 1) * RDSV3_FRAG_SIZE)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_page_frag {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct list_node f_item;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota caddr_t f_page;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned long f_offset;
d2b539e744e90927cf7a57df3475145c279d68f9agiri ibt_wr_ds_t f_sge;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ibt_mi_hdl_t f_mapped;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_incoming {
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota list_node_t ii_obj; /* list obj of rdsv3_inc_pool list */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct list ii_frags;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_incoming ii_inc;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota struct rdsv3_inc_pool *ii_pool;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota struct rdsv3_ib_device *ii_ibdev;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_connect_private {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /* Add new fields at the end, and don't permute existing fields. */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_be_t dp_saddr;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_be_t dp_daddr;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint8_t dp_protocol_major;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint8_t dp_protocol_minor;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint16_be_t dp_protocol_minor_mask; /* bitmask */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_be_t dp_reserved1;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_be_t dp_ack_seq;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_be_t dp_credit; /* non-zero enables flow ctl */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_send_work {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_message *s_rm;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_rdma_op *s_op;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ibt_wrc_opcode_t s_opcode;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned long s_queued;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_recv_work {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_ib_incoming *r_ibinc;
d2b539e744e90927cf7a57df3475145c279d68f9agiri struct rdsv3_page_frag *r_frag;
d2b539e744e90927cf7a57df3475145c279d68f9agiri ibt_wr_ds_t r_sge[2];
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_work_ring {
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint32_t w_nr;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint32_t w_alloc_ptr;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint32_t w_alloc_ctr;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint32_t w_free_ptr;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota atomic_t w_free_ctr;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota rdsv3_wait_queue_t w_empty_wait;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota};
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota/*
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota * Rings are posted with all the allocations they'll need to queue the
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota * incoming message to the receiving socket so this can't fail.
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota * All fragments start with a header, so we can make sure we're not receiving
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota * garbage, and we can tell a small 8 byte fragment from an ACK frame.
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota */
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otastruct rdsv3_ib_ack_state {
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint64_t ack_next;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint64_t ack_recv;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota unsigned int ack_required:1;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota unsigned int ack_next_valid:1;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota unsigned int ack_recv_valid:1;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_device;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_connection {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct list_node ib_node;
d2b539e744e90927cf7a57df3475145c279d68f9agiri boolean_t i_on_dev_list;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_ib_device *rds_ibdev;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_connection *conn;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /* alphabet soup, IBTA style */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdma_cm_id *i_cm_id;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct ib_pd *i_pd;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_hdrs_mr *i_mr;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota struct ib_cq *i_cq;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota struct ib_cq *i_snd_cq;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /* tx */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_ib_work_ring i_send_ring;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_message *i_rm;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_header *i_send_hdrs;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t i_send_hdrs_dma;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_ib_send_work *i_sends;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ibt_send_wr_t *i_send_wrs;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota /* soft CQ */
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota rdsv3_af_thr_t *i_soft_cq;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota rdsv3_af_thr_t *i_snd_soft_cq;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota rdsv3_af_thr_t *i_refill_rq;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /* rx */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct mutex i_recv_mutex;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_ib_work_ring i_recv_ring;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_ib_incoming *i_ibinc;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_t i_recv_data_rem;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_header *i_recv_hdrs;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t i_recv_hdrs_dma;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_ib_recv_work *i_recvs;
d2b539e744e90927cf7a57df3475145c279d68f9agiri ibt_recv_wr_t *i_recv_wrs;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_page_frag i_frag;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t i_ack_recv; /* last ACK received */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /* sending acks */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned long i_ack_flags;
cadbfdc3bdb156e92d7a88978bc98ea87f6e037fEiji Ota#ifdef KERNEL_HAS_ATOMIC64
cadbfdc3bdb156e92d7a88978bc98ea87f6e037fEiji Ota atomic64_t i_ack_next; /* next ACK to send */
cadbfdc3bdb156e92d7a88978bc98ea87f6e037fEiji Ota#else
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota kmutex_t i_ack_lock; /* protect i_ack_next */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t i_ack_next; /* next ACK to send */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#endif
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_header *i_ack;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ibt_send_wr_t i_ack_wr;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ibt_wr_ds_t i_ack_sge;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t i_ack_dma;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned long i_ack_queued;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /*
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * Flow control related information
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota *
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * Our algorithm uses a pair variables that we need to access
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * atomically - one for the send credits, and one posted
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * recv credits we need to transfer to remote.
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * Rather than protect them using a slow spinlock, we put both into
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota * a single atomic_t and update it using cmpxchg
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota atomic_t i_credits;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /* Protocol version specific information */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int i_flowctl:1; /* enable/disable flow ctl */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota /* Batched completions */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int i_unsignaled_wrs;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota long i_unsignaled_bytes;
5e12ddada2833f3aa285210603ce9aaeb8be35ccEiji Ota
5e12ddada2833f3aa285210603ce9aaeb8be35ccEiji Ota unsigned long i_max_recv_alloc;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* This assumes that atomic_t is at least 32 bits */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define IB_GET_SEND_CREDITS(v) ((v) & 0xffff)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define IB_GET_POST_CREDITS(v) ((v) >> 16)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define IB_SET_SEND_CREDITS(v) ((v) & 0xffff)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define IB_SET_POST_CREDITS(v) ((v) << 16)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_ipaddr {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct list_node list;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_be_t ipaddr;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_device {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct list_node list;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct list ipaddr_list;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct list conn_list;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ib_device_t *dev;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct ib_pd *pd;
d2b539e744e90927cf7a57df3475145c279d68f9agiri struct kmem_cache *ib_frag_slab;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota kmutex_t spinlock; /* protect the above */
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota krwlock_t rwlock; /* protect paddr_list */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int fmr_max_remaps;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int max_fmrs;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int fmr_message_size;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota int max_sge;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int max_wrs;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota unsigned int max_initiator_depth;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota unsigned int max_responder_resources;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota struct rdsv3_fmr_pool *fmr_pool;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota struct rdsv3_inc_pool *inc_pool;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ibt_fmr_pool_hdl_t fmr_pool_hdl;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota ibt_hca_attr_t hca_attr;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota rdsv3_af_thr_t *fmr_soft_cq;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota rdsv3_af_thr_t *inc_soft_cq;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota ibt_hca_hdl_t ibt_hca_hdl;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota rdsv3_af_grp_t *aft_hcagp;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* bits for i_ack_flags */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define IB_ACK_IN_FLIGHT 0
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define IB_ACK_REQUESTED 1
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota#define RDSV3_IB_SEND_OP (1ULL << 63)
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* Magic WR_ID for ACKs */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#define RDSV3_IB_ACK_WR_ID (~(uint64_t)0)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastruct rdsv3_ib_statistics {
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_connect_raced;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_listen_closed_stale;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint64_t s_ib_evt_handler_call;
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota uint64_t s_ib_tasklet_call;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_tx_cq_event;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_tx_ring_full;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_tx_throttle;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_tx_sg_mapping_failure;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_tx_stalled;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_tx_credit_updates;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rx_cq_event;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rx_ring_empty;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rx_refill_from_cq;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rx_refill_from_thread;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rx_alloc_limit;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rx_credit_updates;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_ack_sent;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_ack_send_failure;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_ack_send_delayed;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_ack_send_piggybacked;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_ack_received;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rdma_mr_alloc;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rdma_mr_free;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rdma_mr_used;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rdma_mr_pool_flush;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rdma_mr_pool_wait;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint64_t s_ib_rdma_mr_pool_depleted;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota};
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern struct rdsv3_workqueue_struct_s *rds_ib_wq;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib.c */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern struct rdsv3_transport rdsv3_ib_transport;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern void rdsv3_ib_add_one(ib_device_t *device);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern void rdsv3_ib_remove_one(ib_device_t *device);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern struct ib_client rdsv3_ib_client;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned int fmr_pool_size;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned int fmr_message_size;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned int rdsv3_ib_retry_count;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern kmutex_t ib_nodev_conns_lock;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern struct list ib_nodev_conns;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib_cm.c */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_conn_alloc(struct rdsv3_connection *conn, int gfp);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_conn_free(void *arg);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_conn_connect(struct rdsv3_connection *conn);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_conn_shutdown(struct rdsv3_connection *conn);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_conn_drop(struct rdsv3_connection *conn);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_cm_handle_connect(struct rdma_cm_id *cm_id,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdma_cm_event *event);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_cm_initiate_connect(struct rdma_cm_id *cm_id);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_cm_connect_complete(struct rdsv3_connection *conn,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdma_cm_event *event);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_tasklet_fn(void *data);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_snd_tasklet_fn(void *data);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_refill_fn(void *data);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib_rdma.c */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_update_ipaddr(struct rdsv3_ib_device *rds_ibdev,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_be_t ipaddr);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_add_conn(struct rdsv3_ib_device *rds_ibdev,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_connection *conn);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_remove_conn(struct rdsv3_ib_device *rds_ibdev,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_connection *conn);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid __rdsv3_ib_destroy_conns(struct list *list, kmutex_t *list_lock);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastatic inline void rdsv3_ib_destroy_nodev_conns(void)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota{
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota __rdsv3_ib_destroy_conns(&ib_nodev_conns, &ib_nodev_conns_lock);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota}
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otastatic inline void rdsv3_ib_destroy_conns(struct rdsv3_ib_device *rds_ibdev)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota{
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota __rdsv3_ib_destroy_conns(&rds_ibdev->conn_list, &rds_ibdev->spinlock);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota}
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_create_mr_pool(struct rdsv3_ib_device *);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_destroy_mr_pool(struct rdsv3_ib_device *);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_get_mr_info(struct rdsv3_ib_device *rds_ibdev,
fe817b6022080da0a98b5d2d8cd179f594d6ca5eEiji Ota struct rds_info_rdma_connection *iinfo);
fe817b6022080da0a98b5d2d8cd179f594d6ca5eEiji Otavoid *rdsv3_ib_get_mr(struct rds_iovec *args, unsigned long nents,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota struct rdsv3_sock *rs, uint32_t *key_ret);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_sync_mr(void *trans_private, int dir);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_free_mr(void *trans_private, int invalidate);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_flush_mrs(void);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_drain_mrlist_fn(void *data);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib_recv.c */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_recv_init(void);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_recv_exit(void);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_recv(struct rdsv3_connection *conn);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otaint rdsv3_ib_recv_refill(struct rdsv3_connection *conn, int prefill);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_inc_free(struct rdsv3_incoming *inc);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_inc_copy_to_user(struct rdsv3_incoming *inc, uio_t *uiop,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota size_t size);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_recv_cqe_handler(struct rdsv3_ib_connection *ic, ibt_wc_t *wc,
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota struct rdsv3_ib_ack_state *state);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_recv_init_ring(struct rdsv3_ib_connection *ic);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_recv_clear_ring(struct rdsv3_ib_connection *ic);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_recv_init_ack(struct rdsv3_ib_connection *ic);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_attempt_ack(struct rdsv3_ib_connection *ic);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_ack_send_complete(struct rdsv3_ib_connection *ic);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otauint64_t rdsv3_ib_piggyb_ack(struct rdsv3_ib_connection *ic);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_set_ack(struct rdsv3_ib_connection *ic, uint64_t seq,
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Ota int ack_required);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otaint rdsv3_ib_create_inc_pool(struct rdsv3_ib_device *);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_destroy_inc_pool(struct rdsv3_ib_device *);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_drain_inclist(void *);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib_ring.c */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_ring_init(struct rdsv3_ib_work_ring *ring, uint32_t nr);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_ring_resize(struct rdsv3_ib_work_ring *ring, uint32_t nr);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otauint32_t rdsv3_ib_ring_alloc(struct rdsv3_ib_work_ring *ring, uint32_t val,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_t *pos);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_ring_free(struct rdsv3_ib_work_ring *ring, uint32_t val);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_ring_unalloc(struct rdsv3_ib_work_ring *ring, uint32_t val);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_ring_empty(struct rdsv3_ib_work_ring *ring);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_ring_low(struct rdsv3_ib_work_ring *ring);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otauint32_t rdsv3_ib_ring_oldest(struct rdsv3_ib_work_ring *ring);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otauint32_t rdsv3_ib_ring_completed(struct rdsv3_ib_work_ring *ring,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota uint32_t wr_id, uint32_t oldest);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib_send.c */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_xmit_complete(struct rdsv3_connection *conn);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_xmit(struct rdsv3_connection *conn, struct rdsv3_message *rm,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int hdr_off, unsigned int sg, unsigned int off);
5d5562f583b2b6affe19bdce0b3c8b1840d667a4Eiji Otavoid rdsv3_ib_send_cqe_handler(struct rdsv3_ib_connection *ic, ibt_wc_t *wc);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_send_init_ring(struct rdsv3_ib_connection *ic);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_send_clear_ring(struct rdsv3_ib_connection *ic);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_xmit_rdma(struct rdsv3_connection *conn, struct rdsv3_rdma_op *op);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_send_add_credits(struct rdsv3_connection *conn,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int credits);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_advertise_credits(struct rdsv3_connection *conn,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int posted);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_send_grab_credits(struct rdsv3_ib_connection *ic, uint32_t wanted,
cadbfdc3bdb156e92d7a88978bc98ea87f6e037fEiji Ota uint32_t *adv_credits, int need_posted);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib_stats.c */
a530e0a9c7875fde3c123c906ca193a70dfacc4fagiriextern struct rdsv3_ib_statistics *rdsv3_ib_stats;
a530e0a9c7875fde3c123c906ca193a70dfacc4fagiri#define rdsv3_ib_stats_inc(member) \
a530e0a9c7875fde3c123c906ca193a70dfacc4fagiri rdsv3_stats_add_which(rdsv3_ib_stats, member, 1)
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaunsigned int rdsv3_ib_stats_info_copy(struct rdsv3_info_iterator *iter,
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota unsigned int avail);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota/* ib_sysctl.c */
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaint rdsv3_ib_sysctl_init(void);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otavoid rdsv3_ib_sysctl_exit(void);
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned long rdsv3_ib_sysctl_max_send_wr;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned long rdsv3_ib_sysctl_max_recv_wr;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned long rdsv3_ib_sysctl_max_unsig_wrs;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned long rdsv3_ib_sysctl_max_unsig_bytes;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned long rdsv3_ib_sysctl_max_recv_allocation;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Otaextern unsigned int rdsv3_ib_sysctl_flow_control;
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota
c0dd49bdd68c0d758a67d56f07826f3b45cfc664Eiji Ota#endif /* _RDSV3_IB_H */