Esempio n. 1
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static ssize_t
fi_ibv_msg_ep_send(struct fid_ep *ep_fid, const void *buf, size_t len,
		void *desc, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr = { 0 };

	wr.opcode = IBV_WR_SEND;

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);
	wr.send_flags = VERBS_INJECT(ep, len) | VERBS_COMP(ep);

	return fi_ibv_send_buf(ep, &wr, buf, len, desc, context);
}
Esempio n. 2
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static ssize_t
fi_ibv_msg_ep_atomic_readwritemsg(struct fid_ep *ep_fid,
				const struct fi_msg_atomic *msg,
				struct fi_ioc *resultv, void **result_desc,
				size_t result_count, uint64_t flags)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr;
	size_t count_copy;
	int ret;

	if (msg->iov_count != 1 || msg->msg_iov->count != 1)
		return -FI_E2BIG;

	count_copy = msg->iov_count;

	ret = fi_ibv_msg_ep_atomic_readwritevalid(ep_fid, msg->datatype, msg->op,
		       &count_copy);
	if (ret)
		return ret;

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);

	memset(&wr, 0, sizeof(wr));

	switch (msg->op) {
	case FI_ATOMIC_READ:
		wr.opcode = IBV_WR_RDMA_READ;
		wr.wr.rdma.remote_addr = msg->rma_iov->addr;
		wr.wr.rdma.rkey = (uint32_t) (uintptr_t) msg->rma_iov->key;
		break;
	case FI_SUM:
		wr.opcode = IBV_WR_ATOMIC_FETCH_AND_ADD;
		wr.wr.atomic.remote_addr = msg->rma_iov->addr;
		wr.wr.atomic.compare_add = (uintptr_t) msg->addr;
		wr.wr.atomic.swap = 0;
		wr.wr.atomic.rkey = (uint32_t) (uintptr_t) msg->rma_iov->key;
		break;
	default:
		return -ENOSYS;
	}

	wr.send_flags = VERBS_COMP_FLAGS(ep, flags) | IBV_SEND_FENCE;
	if (flags & FI_REMOTE_CQ_DATA)
		wr.imm_data = htonl((uint32_t) msg->data);

	return fi_ibv_send_buf(ep, &wr, resultv->addr, sizeof(uint64_t),
			result_desc[0], msg->context);
}
Esempio n. 3
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static ssize_t
fi_ibv_msg_ep_senddata(struct fid_ep *ep_fid, const void *buf, size_t len,
		    void *desc, uint64_t data, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr = { 0 };

	wr.opcode = IBV_WR_SEND_WITH_IMM;
	wr.imm_data = htonl((uint32_t)data);

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);
	wr.send_flags = VERBS_INJECT(ep, len) | VERBS_COMP(ep);

	return fi_ibv_send_buf(ep, &wr, buf, len, desc, context);
}
Esempio n. 4
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static ssize_t
fi_ibv_msg_ep_atomic_readwrite(struct fid_ep *ep_fid, const void *buf, size_t count,
			void *desc, void *result, void *result_desc,
			fi_addr_t dest_addr, uint64_t addr, uint64_t key,
			enum fi_datatype datatype,
			enum fi_op op, void *context)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr;
	size_t count_copy;
	int ret;

	if (count != 1)
		return -FI_E2BIG;

	count_copy = count;

	ret = fi_ibv_msg_ep_atomic_readwritevalid(ep_fid, datatype, op,
			&count_copy);
	if (ret)
		return ret;

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);
	memset(&wr, 0, sizeof(wr));

	switch (op) {
	case FI_ATOMIC_READ:
		wr.opcode = IBV_WR_RDMA_READ;
		wr.wr.rdma.remote_addr = addr;
		wr.wr.rdma.rkey = (uint32_t) (uintptr_t) key;
		break;
	case FI_SUM:
		wr.opcode = IBV_WR_ATOMIC_FETCH_AND_ADD;
		wr.wr.atomic.remote_addr = addr;
		wr.wr.atomic.compare_add = (uintptr_t) buf;
		wr.wr.atomic.swap = 0;
		wr.wr.atomic.rkey = (uint32_t) (uintptr_t) key;
		break;
	default:
		return -ENOSYS;
	}

	wr.send_flags = VERBS_COMP(ep) | IBV_SEND_FENCE;

	return fi_ibv_send_buf(ep, &wr, result, sizeof(uint64_t), result_desc,
		context);
}
Esempio n. 5
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static ssize_t
fi_ibv_msg_ep_rma_write(struct fid_ep *ep_fid, const void *buf, size_t len,
		     void *desc, fi_addr_t dest_addr,
		     uint64_t addr, uint64_t key, void *context)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr;

	memset(&wr, 0, sizeof(wr));
	wr.opcode = IBV_WR_RDMA_WRITE;
	wr.wr.rdma.remote_addr = addr;
	wr.wr.rdma.rkey = (uint32_t) key;

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);
	wr.send_flags = VERBS_INJECT(ep, len) | VERBS_COMP(ep);

	return fi_ibv_send_buf(ep, &wr, buf, len, desc, context);
}
Esempio n. 6
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static ssize_t
fi_ibv_msg_ep_atomic_writemsg(struct fid_ep *ep_fid,
                        const struct fi_msg_atomic *msg, uint64_t flags)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr;
	size_t count_copy;
	int ret;

	if (msg->iov_count != 1 || msg->msg_iov->count != 1)
		return -FI_E2BIG;

	count_copy = msg->iov_count;

	ret = fi_ibv_msg_ep_atomic_writevalid(ep_fid, msg->datatype, msg->op,
			&count_copy);
	if (ret)
		return ret;

	memset(&wr, 0, sizeof(wr));

	switch (msg->op) {
	case FI_ATOMIC_WRITE:
		if (flags & FI_REMOTE_CQ_DATA) {
			wr.opcode = IBV_WR_RDMA_WRITE_WITH_IMM;
			wr.imm_data = htonl((uint32_t)msg->data);
		} else {
			wr.opcode = IBV_WR_RDMA_WRITE;
		}
		wr.wr.rdma.remote_addr = msg->rma_iov->addr;
		wr.wr.rdma.rkey = (uint32_t) (uintptr_t) msg->rma_iov->key;
		break;
	default:
		return -ENOSYS;
	}

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);

	wr.send_flags = VERBS_INJECT_FLAGS(ep, sizeof(uint64_t), flags) |
				VERBS_COMP_FLAGS(ep, flags) | IBV_SEND_FENCE;

	return fi_ibv_send_buf(ep, &wr, msg->msg_iov->addr, sizeof(uint64_t),
			msg->desc[0], msg->context);
}
Esempio n. 7
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static ssize_t
fi_ibv_msg_ep_atomic_compwritemsg(struct fid_ep *ep_fid,
				const struct fi_msg_atomic *msg,
				const struct fi_ioc *comparev,
				void **compare_desc, size_t compare_count,
				struct fi_ioc *resultv,
				void **result_desc, size_t result_count,
				uint64_t flags)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr;
	size_t count_copy;
	int ret;

	if (msg->iov_count != 1 || msg->msg_iov->count != 1)
		return -FI_E2BIG;

	count_copy = msg->iov_count;

	ret = fi_ibv_msg_ep_atomic_compwritevalid(ep_fid, msg->datatype, msg->op,
		       &count_copy);
	if (ret)
		return ret;

	memset(&wr, 0, sizeof(wr));

	wr.opcode = IBV_WR_ATOMIC_CMP_AND_SWP;
	wr.wr.atomic.remote_addr = msg->rma_iov->addr;
	wr.wr.atomic.compare_add = (uintptr_t) comparev->addr;
	wr.wr.atomic.swap = (uintptr_t) msg->addr;
	wr.wr.atomic.rkey = (uint32_t) (uintptr_t) msg->rma_iov->key;

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);

	wr.send_flags = VERBS_COMP_FLAGS(ep, flags) | IBV_SEND_FENCE;

	if (flags & FI_REMOTE_CQ_DATA)
		wr.imm_data = htonl((uint32_t) msg->data);

	return fi_ibv_send_buf(ep, &wr, resultv->addr, sizeof(uint64_t),
			result_desc[0], msg->context);
}
Esempio n. 8
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static ssize_t
fi_ibv_msg_ep_atomic_write(struct fid_ep *ep_fid, const void *buf, size_t count,
			void *desc, fi_addr_t dest_addr, uint64_t addr, uint64_t key,
			enum fi_datatype datatype, enum fi_op op, void *context)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr;
	size_t count_copy;
	int ret;

	if (count != 1)
		return -FI_E2BIG;

	count_copy = count;

	ret = fi_ibv_msg_ep_atomic_writevalid(ep_fid, datatype, op, &count_copy);
	if (ret)
		return ret;

	memset(&wr, 0, sizeof(wr));

	switch(op) {
	case FI_ATOMIC_WRITE:
		wr.opcode = IBV_WR_RDMA_WRITE;
		wr.wr.rdma.remote_addr = addr;
		wr.wr.rdma.rkey = (uint32_t) (uintptr_t) key;
		break;
	default:
		return -ENOSYS;
	}

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);

	wr.send_flags = VERBS_INJECT(ep, sizeof(uint64_t)) | VERBS_COMP(ep) |
				IBV_SEND_FENCE;

	return fi_ibv_send_buf(ep, &wr, buf, sizeof(uint64_t), desc, context);
}
Esempio n. 9
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static ssize_t
fi_ibv_msg_ep_atomic_compwrite(struct fid_ep *ep_fid, const void *buf, size_t count,
			void *desc, const void *compare,
			void *compare_desc, void *result,
			void *result_desc,
			fi_addr_t dest_addr, uint64_t addr, uint64_t key,
			enum fi_datatype datatype,
			enum fi_op op, void *context)
{
	struct fi_ibv_msg_ep *ep;
	struct ibv_send_wr wr;
	size_t count_copy;
	int ret;

	if (count != 1)
		return -FI_E2BIG;

	count_copy = count;

	ret = fi_ibv_msg_ep_atomic_compwritevalid(ep_fid, datatype, op, &count_copy);
	if (ret)
		return ret;

	memset(&wr, 0, sizeof(wr));

	wr.opcode = IBV_WR_ATOMIC_CMP_AND_SWP;
	wr.wr.atomic.remote_addr = addr;
	wr.wr.atomic.compare_add = (uintptr_t) compare;
	wr.wr.atomic.swap = (uintptr_t) buf;
	wr.wr.atomic.rkey = (uint32_t) (uintptr_t) key;

	ep = container_of(ep_fid, struct fi_ibv_msg_ep, ep_fid);

	wr.send_flags = VERBS_COMP(ep) | IBV_SEND_FENCE;

	return fi_ibv_send_buf(ep, &wr, result, sizeof(uint64_t), result_desc, context);
}
Esempio n. 10
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static inline ssize_t
fi_ibv_msg_ep_recvmsg(struct fid_ep *ep_fid, const struct fi_msg *msg, uint64_t flags)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_recv_wr wr = {
		.wr_id = (uintptr_t)msg->context,
		.num_sge = msg->iov_count,
		.next = NULL,
	};
	struct ibv_recv_wr *bad_wr;

	assert(ep->util_ep.rx_cq);

	fi_ibv_set_sge_iov(wr.sg_list, msg->msg_iov, msg->iov_count, msg->desc);

	return fi_ibv_handle_post(ibv_post_recv(ep->ibv_qp, &wr, &bad_wr));
}

static ssize_t
fi_ibv_msg_ep_recv(struct fid_ep *ep_fid, void *buf, size_t len,
		void *desc, fi_addr_t src_addr, void *context)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_sge sge = fi_ibv_init_sge(buf, len, desc);
	struct ibv_recv_wr wr = {
		.wr_id = (uintptr_t)context,
		.num_sge = 1,
		.sg_list = &sge,
		.next = NULL,
	};
	struct ibv_recv_wr *bad_wr;

	assert(ep->util_ep.rx_cq);

	return fi_ibv_handle_post(ibv_post_recv(ep->ibv_qp, &wr, &bad_wr));
}

static ssize_t
fi_ibv_msg_ep_recvv(struct fid_ep *ep_fid, const struct iovec *iov, void **desc,
                 size_t count, fi_addr_t src_addr, void *context)
{
	struct fi_msg msg = {
		.msg_iov = iov,
		.desc = desc,
		.iov_count = count,
		.addr = src_addr,
		.context = context,
	};

	return fi_ibv_msg_ep_recvmsg(ep_fid, &msg, 0);
}

static ssize_t
fi_ibv_msg_ep_sendmsg(struct fid_ep *ep_fid, const struct fi_msg *msg, uint64_t flags)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = (uintptr_t)msg->context,
	};

	if (flags & FI_REMOTE_CQ_DATA) {
		wr.opcode = IBV_WR_SEND_WITH_IMM;
		wr.imm_data = htonl((uint32_t)msg->data);
	} else {
		wr.opcode = IBV_WR_SEND;
	}

	return fi_ibv_send_msg(ep, &wr, msg, flags);
}

static ssize_t
fi_ibv_msg_ep_send(struct fid_ep *ep_fid, const void *buf, size_t len,
		void *desc, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_COMP(ep, (uintptr_t)context),
		.opcode = IBV_WR_SEND,
		.send_flags = VERBS_INJECT(ep, len),
	};

	return fi_ibv_send_buf(ep, &wr, buf, len, desc);
}

static ssize_t
fi_ibv_msg_ep_senddata(struct fid_ep *ep_fid, const void *buf, size_t len,
		       void *desc, uint64_t data, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_COMP(ep, (uintptr_t)context),
		.opcode = IBV_WR_SEND_WITH_IMM,
		.imm_data = htonl((uint32_t)data),
		.send_flags = VERBS_INJECT(ep, len),
	};

	return fi_ibv_send_buf(ep, &wr, buf, len, desc);
}

static ssize_t
fi_ibv_msg_ep_sendv(struct fid_ep *ep_fid, const struct iovec *iov, void **desc,
		    size_t count, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = (uintptr_t)context,
		.opcode = IBV_WR_SEND,
	};

	return fi_ibv_send_iov(ep, &wr, iov, desc, count);
}

static ssize_t fi_ibv_msg_ep_inject(struct fid_ep *ep_fid, const void *buf, size_t len,
		fi_addr_t dest_addr)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_NO_COMP_FLAG,
		.opcode = IBV_WR_SEND,
		.send_flags = IBV_SEND_INLINE,
	};

	return fi_ibv_send_buf_inline(ep, &wr, buf, len);
}

static ssize_t fi_ibv_msg_ep_injectdata(struct fid_ep *ep_fid, const void *buf, size_t len,
		    uint64_t data, fi_addr_t dest_addr)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_NO_COMP_FLAG,
		.opcode = IBV_WR_SEND_WITH_IMM,
		.imm_data = htonl((uint32_t)data),
		.send_flags = IBV_SEND_INLINE,
	};

	return fi_ibv_send_buf_inline(ep, &wr, buf, len);
}

static ssize_t
fi_ibv_msg_inject_fast(struct fid_ep *ep_fid, const void *buf, size_t len,
		       fi_addr_t dest_addr)
{
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);

	ep->wrs->sge.addr = (uintptr_t) buf;
	ep->wrs->sge.length = (uint32_t) len;

	return fi_ibv_send_poll_cq_if_needed(ep, &ep->wrs->msg_wr);
}

static ssize_t fi_ibv_msg_ep_injectdata_fast(struct fid_ep *ep_fid, const void *buf, size_t len,
					     uint64_t data, fi_addr_t dest_addr)
{
	ssize_t ret;
	struct fi_ibv_ep *ep =
		container_of(ep_fid, struct fi_ibv_ep, util_ep.ep_fid);

	ep->wrs->msg_wr.imm_data = htonl((uint32_t)data);
	ep->wrs->msg_wr.opcode = IBV_WR_SEND_WITH_IMM;

	ep->wrs->sge.addr = (uintptr_t) buf;
	ep->wrs->sge.length = (uint32_t) len;

	ret = fi_ibv_send_poll_cq_if_needed(ep, &ep->wrs->msg_wr);
	ep->wrs->msg_wr.opcode = IBV_WR_SEND;
	return ret;
}

struct fi_ops_msg fi_ibv_msg_ep_msg_ops_ts = {
	.size = sizeof(struct fi_ops_msg),
	.recv = fi_ibv_msg_ep_recv,
	.recvv = fi_ibv_msg_ep_recvv,
	.recvmsg = fi_ibv_msg_ep_recvmsg,
	.send = fi_ibv_msg_ep_send,
	.sendv = fi_ibv_msg_ep_sendv,
	.sendmsg = fi_ibv_msg_ep_sendmsg,
	.inject = fi_ibv_msg_ep_inject,
	.senddata = fi_ibv_msg_ep_senddata,
	.injectdata = fi_ibv_msg_ep_injectdata,
};

struct fi_ops_msg fi_ibv_msg_ep_msg_ops = {
	.size = sizeof(struct fi_ops_msg),
	.recv = fi_ibv_msg_ep_recv,
	.recvv = fi_ibv_msg_ep_recvv,
	.recvmsg = fi_ibv_msg_ep_recvmsg,
	.send = fi_ibv_msg_ep_send,
	.sendv = fi_ibv_msg_ep_sendv,
	.sendmsg = fi_ibv_msg_ep_sendmsg,
	.inject = fi_ibv_msg_inject_fast,
	.senddata = fi_ibv_msg_ep_senddata,
	.injectdata = fi_ibv_msg_ep_injectdata_fast,
};

struct fi_ops_msg fi_ibv_msg_srq_ep_msg_ops = {
	.size = sizeof(struct fi_ops_msg),
	.recv = fi_no_msg_recv,
	.recvv = fi_no_msg_recvv,
	.recvmsg = fi_no_msg_recvmsg,
	.send = fi_ibv_msg_ep_send,
	.sendv = fi_ibv_msg_ep_sendv,
	.sendmsg = fi_ibv_msg_ep_sendmsg,
	.inject = fi_ibv_msg_ep_inject,
	.senddata = fi_ibv_msg_ep_senddata,
	.injectdata = fi_ibv_msg_ep_injectdata,
};

static ssize_t
fi_ibv_msg_xrc_ep_sendmsg(struct fid_ep *ep_fid, const struct fi_msg *msg, uint64_t flags)
{
	struct fi_ibv_xrc_ep *ep = container_of(ep_fid, struct fi_ibv_xrc_ep,
						base_ep.util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = (uintptr_t)msg->context,
		.qp_type.xrc.remote_srqn = ep->peer_srqn,
	};

	if (flags & FI_REMOTE_CQ_DATA) {
		wr.opcode = IBV_WR_SEND_WITH_IMM;
		wr.imm_data = htonl((uint32_t)msg->data);
	} else {
		wr.opcode = IBV_WR_SEND;
	}

	return fi_ibv_send_msg(&ep->base_ep, &wr, msg, flags);
}

static ssize_t
fi_ibv_msg_xrc_ep_send(struct fid_ep *ep_fid, const void *buf, size_t len,
		void *desc, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_xrc_ep *ep = container_of(ep_fid, struct fi_ibv_xrc_ep,
						base_ep.util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_COMP(&ep->base_ep, (uintptr_t)context),
		.opcode = IBV_WR_SEND,
		.send_flags = VERBS_INJECT(&ep->base_ep, len),
		.qp_type.xrc.remote_srqn = ep->peer_srqn,
	};

	return fi_ibv_send_buf(&ep->base_ep, &wr, buf, len, desc);
}

static ssize_t
fi_ibv_msg_xrc_ep_senddata(struct fid_ep *ep_fid, const void *buf, size_t len,
		       void *desc, uint64_t data, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_xrc_ep *ep = container_of(ep_fid, struct fi_ibv_xrc_ep,
						base_ep.util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_COMP(&ep->base_ep, (uintptr_t)context),
		.opcode = IBV_WR_SEND_WITH_IMM,
		.imm_data = htonl((uint32_t)data),
		.send_flags = VERBS_INJECT(&ep->base_ep, len),
		.qp_type.xrc.remote_srqn = ep->peer_srqn,
	};

	return fi_ibv_send_buf(&ep->base_ep, &wr, buf, len, desc);
}

static ssize_t
fi_ibv_msg_xrc_ep_sendv(struct fid_ep *ep_fid, const struct iovec *iov, void **desc,
		    size_t count, fi_addr_t dest_addr, void *context)
{
	struct fi_ibv_xrc_ep *ep = container_of(ep_fid, struct fi_ibv_xrc_ep,
						base_ep.util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = (uintptr_t)context,
		.opcode = IBV_WR_SEND,
		.qp_type.xrc.remote_srqn = ep->peer_srqn,
	};

	return fi_ibv_send_iov(&ep->base_ep, &wr, iov, desc, count);
}

static ssize_t fi_ibv_msg_xrc_ep_inject(struct fid_ep *ep_fid, const void *buf, size_t len,
		fi_addr_t dest_addr)
{
	struct fi_ibv_xrc_ep *ep = container_of(ep_fid, struct fi_ibv_xrc_ep,
						base_ep.util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_NO_COMP_FLAG,
		.opcode = IBV_WR_SEND,
		.send_flags = IBV_SEND_INLINE,
		.qp_type.xrc.remote_srqn = ep->peer_srqn,
	};

	return fi_ibv_send_buf_inline(&ep->base_ep, &wr, buf, len);
}

static ssize_t fi_ibv_msg_xrc_ep_injectdata(struct fid_ep *ep_fid, const void *buf, size_t len,
		    uint64_t data, fi_addr_t dest_addr)
{
	struct fi_ibv_xrc_ep *ep = container_of(ep_fid, struct fi_ibv_xrc_ep,
						base_ep.util_ep.ep_fid);
	struct ibv_send_wr wr = {
		.wr_id = VERBS_NO_COMP_FLAG,
		.opcode = IBV_WR_SEND_WITH_IMM,
		.imm_data = htonl((uint32_t)data),
		.send_flags = IBV_SEND_INLINE,
		.qp_type.xrc.remote_srqn = ep->peer_srqn,
	};

	return fi_ibv_send_buf_inline(&ep->base_ep, &wr, buf, len);
}

/* NOTE: Initially the XRC endpoint must be used with a SRQ. */
struct fi_ops_msg fi_ibv_msg_xrc_ep_msg_ops_ts = {
	.size = sizeof(struct fi_ops_msg),
	.recv = fi_no_msg_recv,
	.recvv = fi_no_msg_recvv,
	.recvmsg = fi_no_msg_recvmsg,
	.send = fi_no_msg_send,
	.sendv = fi_no_msg_sendv,
	.sendmsg = fi_no_msg_sendmsg,
	.inject = fi_no_msg_inject,
	.senddata = fi_no_msg_senddata,
	.injectdata = fi_no_msg_injectdata,
};

struct fi_ops_msg fi_ibv_msg_xrc_ep_msg_ops = {
	.size = sizeof(struct fi_ops_msg),
	.recv = fi_no_msg_recv,
	.recvv = fi_no_msg_recvv,
	.recvmsg = fi_no_msg_recvmsg,
	.send = fi_no_msg_send,
	.sendv = fi_no_msg_sendv,
	.sendmsg = fi_no_msg_sendmsg,
	.inject = fi_no_msg_inject,
	.senddata = fi_no_msg_senddata,
	.injectdata = fi_no_msg_injectdata,
};

struct fi_ops_msg fi_ibv_msg_srq_xrc_ep_msg_ops = {
	.size = sizeof(struct fi_ops_msg),
	.recv = fi_no_msg_recv,
	.recvv = fi_no_msg_recvv,
	.recvmsg = fi_no_msg_recvmsg,
	.send = fi_ibv_msg_xrc_ep_send,
	.sendv = fi_ibv_msg_xrc_ep_sendv,
	.sendmsg = fi_ibv_msg_xrc_ep_sendmsg,
	.inject = fi_ibv_msg_xrc_ep_inject,
	.senddata = fi_ibv_msg_xrc_ep_senddata,
	.injectdata = fi_ibv_msg_xrc_ep_injectdata,
};