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/*
* Copyright (c) 2019-2022 Intel Corporation, Inc. 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
* 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 _OFI_COLL_H_
#define _OFI_COLL_H_
#include <rdma/fi_collective.h>
#include <ofi_list.h>
#include <ofi_atom.h>
#include <ofi_bitmask.h>
#include <ofi_util.h>
#define OFI_WORLD_GROUP_ID 0
#define OFI_MAX_GROUP_ID 256
enum util_coll_op_type {
UTIL_COLL_JOIN_OP,
UTIL_COLL_BARRIER_OP,
UTIL_COLL_ALLREDUCE_OP,
UTIL_COLL_BROADCAST_OP,
UTIL_COLL_ALLGATHER_OP,
UTIL_COLL_SCATTER_OP,
};
static const char * const log_util_coll_op_type[] = {
[UTIL_COLL_JOIN_OP] = "COLL_JOIN",
[UTIL_COLL_BARRIER_OP] = "COLL_BARRIER",
[UTIL_COLL_ALLREDUCE_OP] = "COLL_ALLREDUCE",
[UTIL_COLL_BROADCAST_OP] = "COLL_BROADCAST",
[UTIL_COLL_ALLGATHER_OP] = "COLL_ALLGATHER",
[UTIL_COLL_SCATTER_OP] = "COLL_SCATTER"
};
enum coll_work_type {
UTIL_COLL_SEND,
UTIL_COLL_RECV,
UTIL_COLL_REDUCE,
UTIL_COLL_COPY,
UTIL_COLL_COMP,
};
enum coll_state {
UTIL_COLL_WAITING,
UTIL_COLL_PROCESSING,
UTIL_COLL_COMPLETE
};
static const char * const log_util_coll_state[] = {
[UTIL_COLL_WAITING] = "COLL_WAITING",
[UTIL_COLL_PROCESSING] = "COLL_PROCESSING",
[UTIL_COLL_COMPLETE] = "COLL_COMPLETE"
};
struct util_coll_operation;
struct util_coll_work_item {
struct slist_entry ready_entry;
struct dlist_entry waiting_entry;
struct util_coll_operation *coll_op;
enum coll_work_type type;
enum coll_state state;
int fence;
};
struct util_coll_xfer_item {
struct util_coll_work_item hdr;
void *buf;
int count;
enum fi_datatype datatype;
uint64_t tag;
int remote_rank;
};
struct util_coll_copy_item {
struct util_coll_work_item hdr;
void *in_buf;
void *out_buf;
int count;
enum fi_datatype datatype;
};
struct util_coll_reduce_item {
struct util_coll_work_item hdr;
void *in_buf;
void *inout_buf;
int count;
enum fi_datatype datatype;
enum fi_op op;
};
struct join_data {
struct util_coll_mc *new_mc;
struct ofi_bitmask data;
struct ofi_bitmask tmp;
};
struct barrier_data {
uint64_t data;
uint64_t tmp;
};
struct allreduce_data {
void *data;
size_t size;
};
struct broadcast_data {
void *chunk;
size_t size;
void *scatter;
};
struct util_coll_operation;
typedef void (*util_coll_comp_fn_t)(struct util_coll_operation *coll_op);
struct util_coll_operation {
enum util_coll_op_type type;
uint32_t cid;
void *context;
struct fid_ep *ep;
struct util_coll_mc *mc;
struct dlist_entry work_queue;
union {
struct join_data join;
struct barrier_data barrier;
struct allreduce_data allreduce;
void *scatter;
struct broadcast_data broadcast;
} data;
util_coll_comp_fn_t comp_fn;
uint64_t flags;
};
struct ofi_coll_cq {
struct util_cq util_cq;
struct fid_peer_cq *peer_cq;
};
int ofi_coll_cq_open(struct fid_domain *domain, struct fi_cq_attr *attr,
struct fid_cq **cq_fid, void *context);
struct ofi_coll_eq {
struct util_eq util_eq;
struct fid_eq *peer_eq;
};
int ofi_coll_eq_open(struct fid_fabric *fabric, struct fi_eq_attr *attr,
struct fid_eq **eq_fid, void *context);
#endif // _OFI_COLL_H_
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