/usr/include/rdma/fi_domain.h is in libfabric-dev 1.5.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2013-2017 Intel Corporation. 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 FI_DOMAIN_H
#define FI_DOMAIN_H
#include <rdma/fabric.h>
#include <rdma/fi_eq.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* AV = Address Vector
* Maps and stores transport/network addresses.
*/
#define FI_SYMMETRIC (1ULL << 59)
#define FI_SYNC_ERR (1ULL << 58)
struct fi_av_attr {
enum fi_av_type type;
int rx_ctx_bits;
size_t count;
size_t ep_per_node;
const char *name;
void *map_addr;
uint64_t flags;
};
struct fi_ops_av {
size_t size;
int (*insert)(struct fid_av *av, const void *addr, size_t count,
fi_addr_t *fi_addr, uint64_t flags, void *context);
int (*insertsvc)(struct fid_av *av, const char *node,
const char *service, fi_addr_t *fi_addr,
uint64_t flags, void *context);
int (*insertsym)(struct fid_av *av, const char *node, size_t nodecnt,
const char *service, size_t svccnt, fi_addr_t *fi_addr,
uint64_t flags, void *context);
int (*remove)(struct fid_av *av, fi_addr_t *fi_addr, size_t count,
uint64_t flags);
int (*lookup)(struct fid_av *av, fi_addr_t fi_addr, void *addr,
size_t *addrlen);
const char * (*straddr)(struct fid_av *av, const void *addr,
char *buf, size_t *len);
};
struct fid_av {
struct fid fid;
struct fi_ops_av *ops;
};
/*
* MR = Memory Region
* Tracks registered memory regions, primarily for remote access,
* but also for local access until we can remove that need.
*/
struct fid_mr {
struct fid fid;
void *mem_desc;
uint64_t key;
};
struct fi_mr_attr {
const struct iovec *mr_iov;
size_t iov_count;
uint64_t access;
uint64_t offset;
uint64_t requested_key;
void *context;
size_t auth_key_size;
uint8_t *auth_key;
};
struct fi_mr_modify {
uint64_t flags;
struct fi_mr_attr attr;
};
#ifdef FABRIC_DIRECT
#include <rdma/fi_direct_atomic_def.h>
#endif /* FABRIC_DIRECT */
#ifndef FABRIC_DIRECT_ATOMIC_DEF
enum fi_datatype {
FI_INT8,
FI_UINT8,
FI_INT16,
FI_UINT16,
FI_INT32,
FI_UINT32,
FI_INT64,
FI_UINT64,
FI_FLOAT,
FI_DOUBLE,
FI_FLOAT_COMPLEX,
FI_DOUBLE_COMPLEX,
FI_LONG_DOUBLE,
FI_LONG_DOUBLE_COMPLEX,
FI_DATATYPE_LAST
};
enum fi_op {
FI_MIN,
FI_MAX,
FI_SUM,
FI_PROD,
FI_LOR,
FI_LAND,
FI_BOR,
FI_BAND,
FI_LXOR,
FI_BXOR,
FI_ATOMIC_READ,
FI_ATOMIC_WRITE,
FI_CSWAP,
FI_CSWAP_NE,
FI_CSWAP_LE,
FI_CSWAP_LT,
FI_CSWAP_GE,
FI_CSWAP_GT,
FI_MSWAP,
FI_ATOMIC_OP_LAST
};
#endif
struct fi_atomic_attr;
struct fi_cq_attr;
struct fi_cntr_attr;
struct fi_ops_domain {
size_t size;
int (*av_open)(struct fid_domain *domain, struct fi_av_attr *attr,
struct fid_av **av, void *context);
int (*cq_open)(struct fid_domain *domain, struct fi_cq_attr *attr,
struct fid_cq **cq, void *context);
int (*endpoint)(struct fid_domain *domain, struct fi_info *info,
struct fid_ep **ep, void *context);
int (*scalable_ep)(struct fid_domain *domain, struct fi_info *info,
struct fid_ep **sep, void *context);
int (*cntr_open)(struct fid_domain *domain, struct fi_cntr_attr *attr,
struct fid_cntr **cntr, void *context);
int (*poll_open)(struct fid_domain *domain, struct fi_poll_attr *attr,
struct fid_poll **pollset);
int (*stx_ctx)(struct fid_domain *domain,
struct fi_tx_attr *attr, struct fid_stx **stx,
void *context);
int (*srx_ctx)(struct fid_domain *domain,
struct fi_rx_attr *attr, struct fid_ep **rx_ep,
void *context);
int (*query_atomic)(struct fid_domain *domain,
enum fi_datatype datatype, enum fi_op op,
struct fi_atomic_attr *attr, uint64_t flags);
};
/* Memory registration flags */
/* #define FI_RMA_EVENT (1ULL << 56) */
struct fi_ops_mr {
size_t size;
int (*reg)(struct fid *fid, const void *buf, size_t len,
uint64_t access, uint64_t offset, uint64_t requested_key,
uint64_t flags, struct fid_mr **mr, void *context);
int (*regv)(struct fid *fid, const struct iovec *iov,
size_t count, uint64_t access,
uint64_t offset, uint64_t requested_key,
uint64_t flags, struct fid_mr **mr, void *context);
int (*regattr)(struct fid *fid, const struct fi_mr_attr *attr,
uint64_t flags, struct fid_mr **mr);
};
/* Domain bind flags */
#define FI_REG_MR (1ULL << 59)
struct fid_domain {
struct fid fid;
struct fi_ops_domain *ops;
struct fi_ops_mr *mr;
};
#ifdef FABRIC_DIRECT
#include <rdma/fi_direct_domain.h>
#endif /* FABRIC_DIRECT */
#ifndef FABRIC_DIRECT_DOMAIN
static inline int
fi_domain(struct fid_fabric *fabric, struct fi_info *info,
struct fid_domain **domain, void *context)
{
return fabric->ops->domain(fabric, info, domain, context);
}
static inline int
fi_domain_bind(struct fid_domain *domain, struct fid *fid, uint64_t flags)
{
return domain->fid.ops->bind(&domain->fid, fid, flags);
}
static inline int
fi_cq_open(struct fid_domain *domain, struct fi_cq_attr *attr,
struct fid_cq **cq, void *context)
{
return domain->ops->cq_open(domain, attr, cq, context);
}
static inline int
fi_cntr_open(struct fid_domain *domain, struct fi_cntr_attr *attr,
struct fid_cntr **cntr, void *context)
{
return domain->ops->cntr_open(domain, attr, cntr, context);
}
static inline int
fi_wait_open(struct fid_fabric *fabric, struct fi_wait_attr *attr,
struct fid_wait **waitset)
{
return fabric->ops->wait_open(fabric, attr, waitset);
}
static inline int
fi_poll_open(struct fid_domain *domain, struct fi_poll_attr *attr,
struct fid_poll **pollset)
{
return domain->ops->poll_open(domain, attr, pollset);
}
static inline int
fi_mr_reg(struct fid_domain *domain, const void *buf, size_t len,
uint64_t access, uint64_t offset, uint64_t requested_key,
uint64_t flags, struct fid_mr **mr, void *context)
{
return domain->mr->reg(&domain->fid, buf, len, access, offset,
requested_key, flags, mr, context);
}
static inline int
fi_mr_regv(struct fid_domain *domain, const struct iovec *iov,
size_t count, uint64_t access,
uint64_t offset, uint64_t requested_key,
uint64_t flags, struct fid_mr **mr, void *context)
{
return domain->mr->regv(&domain->fid, iov, count, access,
offset, requested_key, flags, mr, context);
}
static inline int
fi_mr_regattr(struct fid_domain *domain, const struct fi_mr_attr *attr,
uint64_t flags, struct fid_mr **mr)
{
return domain->mr->regattr(&domain->fid, attr, flags, mr);
}
static inline void *fi_mr_desc(struct fid_mr *mr)
{
return mr->mem_desc;
}
static inline uint64_t fi_mr_key(struct fid_mr *mr)
{
return mr->key;
}
static inline int
fi_mr_raw_attr(struct fid_mr *mr, uint64_t *base_addr,
uint8_t *raw_key, size_t *key_size, uint64_t flags)
{
struct fi_mr_raw_attr attr = {
.flags = flags,
.base_addr = base_addr,
.raw_key = raw_key,
.key_size = key_size
};
return mr->fid.ops->control(&mr->fid, FI_GET_RAW_MR, &attr);
}
static inline int
fi_mr_map_raw(struct fid_domain *domain, uint64_t base_addr,
uint8_t *raw_key, size_t key_size, uint64_t *key, uint64_t flags)
{
struct fi_mr_map_raw map = {
.flags = flags,
.base_addr = base_addr,
.raw_key = raw_key,
.key_size = key_size,
.key = key
};
return domain->fid.ops->control(&domain->fid, FI_MAP_RAW_MR, &map);
}
static inline int
fi_mr_unmap_key(struct fid_domain *domain, uint64_t key)
{
return domain->fid.ops->control(&domain->fid, FI_UNMAP_KEY, &key);
}
static inline int fi_mr_bind(struct fid_mr *mr, struct fid *bfid, uint64_t flags)
{
return mr->fid.ops->bind(&mr->fid, bfid, flags);
}
static inline int
fi_mr_refresh(struct fid_mr *mr, const struct iovec *iov, size_t count,
uint64_t flags)
{
struct fi_mr_modify modify = {0};
modify.flags = flags;
modify.attr.mr_iov = iov;
modify.attr.iov_count = count;
return mr->fid.ops->control(&mr->fid, FI_REFRESH, &modify);
}
static inline int fi_mr_enable(struct fid_mr *mr)
{
return mr->fid.ops->control(&mr->fid, FI_ENABLE, NULL);
}
static inline int
fi_av_open(struct fid_domain *domain, struct fi_av_attr *attr,
struct fid_av **av, void *context)
{
return domain->ops->av_open(domain, attr, av, context);
}
static inline int
fi_av_bind(struct fid_av *av, struct fid *fid, uint64_t flags)
{
return av->fid.ops->bind(&av->fid, fid, flags);
}
static inline int
fi_av_insert(struct fid_av *av, const void *addr, size_t count,
fi_addr_t *fi_addr, uint64_t flags, void *context)
{
return av->ops->insert(av, addr, count, fi_addr, flags, context);
}
static inline int
fi_av_insertsvc(struct fid_av *av, const char *node, const char *service,
fi_addr_t *fi_addr, uint64_t flags, void *context)
{
return av->ops->insertsvc(av, node, service, fi_addr, flags, context);
}
static inline int
fi_av_insertsym(struct fid_av *av, const char *node, size_t nodecnt,
const char *service, size_t svccnt,
fi_addr_t *fi_addr, uint64_t flags, void *context)
{
return av->ops->insertsym(av, node, nodecnt, service, svccnt,
fi_addr, flags, context);
}
static inline int
fi_av_remove(struct fid_av *av, fi_addr_t *fi_addr, size_t count, uint64_t flags)
{
return av->ops->remove(av, fi_addr, count, flags);
}
static inline int
fi_av_lookup(struct fid_av *av, fi_addr_t fi_addr, void *addr, size_t *addrlen)
{
return av->ops->lookup(av, fi_addr, addr, addrlen);
}
static inline const char *
fi_av_straddr(struct fid_av *av, const void *addr, char *buf, size_t *len)
{
return av->ops->straddr(av, addr, buf, len);
}
static inline fi_addr_t
fi_rx_addr(fi_addr_t fi_addr, int rx_index, int rx_ctx_bits)
{
return (fi_addr_t) (((uint64_t) rx_index << (64 - rx_ctx_bits)) | fi_addr);
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* FI_DOMAIN_H */
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