Esempio n. 1
0
ssize_t psmx2_sendv_generic(struct fid_ep *ep, const struct iovec *iov,
			    void *desc, size_t count, fi_addr_t dest_addr,
			    void *context, uint64_t flags, uint64_t data)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag;
	uint32_t tag32, tag32_base;
	struct fi_context * fi_context;
	int send_flag = 0;
	int err;
	size_t idx;
	int no_completion = 0;
	struct psmx2_cq_event *event;
	size_t real_count;
	size_t len, total_len;
	char *p;
	uint32_t *q;
	int i;
	struct psmx2_sendv_request *req;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_SENDV;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->sendv.ep = ep;
		trigger->sendv.iov = iov;
		trigger->sendv.desc = desc;
		trigger->sendv.count = count;
		trigger->sendv.dest_addr = dest_addr;
		trigger->sendv.context = context;
		trigger->sendv.flags = flags & ~FI_TRIGGER;
		trigger->sendv.data = data;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}

	total_len = 0;
	real_count = 0;
	for (i=0; i<count; i++) {
		if (iov[i].iov_len) {
			total_len += iov[i].iov_len;
			real_count++;
		}
	}

	req = malloc(sizeof(*req));
	if (!req)
		return -FI_ENOMEM;

	if (total_len <= PSMX2_IOV_BUF_SIZE) {
		req->iov_protocol = PSMX2_IOV_PROTO_PACK;
		p = req->buf;
		for (i=0; i<count; i++) {
			if (iov[i].iov_len) {
				memcpy(p, iov[i].iov_base, iov[i].iov_len);
				p += iov[i].iov_len;
			}
		}

		tag32_base = PSMX2_MSG_BIT;
		len = total_len;
	} else {
		req->iov_protocol = PSMX2_IOV_PROTO_MULTI;
		req->iov_done = 0;
		req->iov_info.seq_num = (++ep_priv->iov_seq_num) %
					PSMX2_IOV_MAX_SEQ_NUM + 1;
		req->iov_info.count = (uint32_t)real_count;
		req->iov_info.total_len = (uint32_t)total_len;

		q = req->iov_info.len;
		for (i=0; i<count; i++) {
			if (iov[i].iov_len)
				*q++ = (uint32_t)iov[i].iov_len;
		}

		tag32_base = PSMX2_MSG_BIT | PSMX2_IOV_BIT;
		len = (3 + real_count) * sizeof(uint32_t);
	}

	av = ep_priv->av;
	if (av && av->type == FI_AV_TABLE) {
		idx = (size_t)dest_addr;
		if (idx >= av->last) {
			free(req);
			return -FI_EINVAL;
		}

		psm2_epaddr = av->epaddrs[idx];
		vlane = av->vlanes[idx];
	} else  {
		psm2_epaddr = PSMX2_ADDR_TO_EP(dest_addr);
		vlane = PSMX2_ADDR_TO_VL(dest_addr);
	}

	tag32 = PSMX2_TAG32(tag32_base, ep_priv->vlane, vlane);
	if (flags & FI_REMOTE_CQ_DATA)
		tag32 |= PSMX2_IMM_BIT;
	PSMX2_SET_TAG(psm2_tag, data, tag32);

	if ((flags & PSMX2_NO_COMPLETION) ||
	    (ep_priv->send_selective_completion && !(flags & FI_COMPLETION)))
		no_completion = 1;

	if (flags & FI_INJECT) {
		if (len > PSMX2_INJECT_SIZE) {
			free(req);
			return -FI_EMSGSIZE;
		}

		err = psm2_mq_send2(ep_priv->domain->psm2_mq, psm2_epaddr,
				    send_flag, &psm2_tag, req->buf, len);

		free(req);

		if (err != PSM2_OK)
			return psmx2_errno(err);

		if (ep_priv->send_cntr)
			psmx2_cntr_inc(ep_priv->send_cntr);

		if (ep_priv->send_cq && !no_completion) {
			event = psmx2_cq_create_event(
					ep_priv->send_cq,
					context, NULL, flags, len,
					(uint64_t) data,
					0 /* tag */,
					0 /* olen */,
					0 /* err */);

			if (event)
				psmx2_cq_enqueue_event(ep_priv->send_cq, event);
			else
				return -FI_ENOMEM;
		}

		return 0;
	}

	req->no_completion = no_completion;
	req->user_context = context;
	req->comp_flag = FI_MSG;

	fi_context = &req->fi_context;
	PSMX2_CTXT_TYPE(fi_context) = PSMX2_SENDV_CONTEXT;
	PSMX2_CTXT_USER(fi_context) = req;
	PSMX2_CTXT_EP(fi_context) = ep_priv;

	err = psm2_mq_isend2(ep_priv->domain->psm2_mq, psm2_epaddr,
			     send_flag, &psm2_tag, req->buf, len,
			     (void *)fi_context, &psm2_req);

	if (err != PSM2_OK) {
		free(req);
		return psmx2_errno(err);
	}

	PSMX2_CTXT_REQ(fi_context) = psm2_req;

	if (req->iov_protocol == PSMX2_IOV_PROTO_MULTI) {
		fi_context = &req->fi_context_iov;
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_IOV_SEND_CONTEXT;
		PSMX2_CTXT_USER(fi_context) = req;
		PSMX2_CTXT_EP(fi_context) = ep_priv;
		tag32 &= ~PSMX2_IOV_BIT;
		PSMX2_TAG32_SET_SEQ(tag32, req->iov_info.seq_num);
		PSMX2_SET_TAG(psm2_tag, data, tag32);
		for (i=0; i<count; i++) {
			if (iov[i].iov_len) {
				err = psm2_mq_isend2(ep_priv->domain->psm2_mq,
						     psm2_epaddr, send_flag, &psm2_tag,
						     iov[i].iov_base, iov[i].iov_len,
						     (void *)fi_context, &psm2_req);
				if (err != PSM2_OK)
					return psmx2_errno(err);
			}
		}
	}

	return 0;
}
Esempio n. 2
0
ssize_t psmx2_recv_generic(struct fid_ep *ep, void *buf, size_t len,
			   void *desc, fi_addr_t src_addr, void *context,
			   uint64_t flags)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag, psm2_tagsel;
	uint32_t tag32, tagsel32;
	struct fi_context *fi_context;
	int recv_flag = 0;
	size_t idx;
	int err;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_RECV;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->recv.ep = ep;
		trigger->recv.buf = buf;
		trigger->recv.len = len;
		trigger->recv.desc = desc;
		trigger->recv.src_addr = src_addr;
		trigger->recv.context = context;
		trigger->recv.flags = flags & ~FI_TRIGGER;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}

	if ((ep_priv->caps & FI_DIRECTED_RECV) && src_addr != FI_ADDR_UNSPEC) {
		av = ep_priv->av;
		if (av && av->type == FI_AV_TABLE) {
			idx = (size_t)src_addr;
			if (idx >= av->last)
				return -FI_EINVAL;

			psm2_epaddr = av->epaddrs[idx];
			vlane = av->vlanes[idx];
		} else {
			psm2_epaddr = PSMX2_ADDR_TO_EP(src_addr);
			vlane = PSMX2_ADDR_TO_VL(src_addr);
		}
		tag32 = PSMX2_TAG32(PSMX2_MSG_BIT, vlane, ep_priv->vlane);
		tagsel32 = ~(PSMX2_IOV_BIT | PSMX2_IMM_BIT);
	} else {
		psm2_epaddr = 0;
		tag32 = PSMX2_TAG32(PSMX2_MSG_BIT, 0, ep_priv->vlane);
		tagsel32 = ~(PSMX2_IOV_BIT | PSMX2_IMM_BIT | PSMX2_SRC_BITS);
	}

	PSMX2_SET_TAG(psm2_tag, 0ULL, tag32);
	PSMX2_SET_TAG(psm2_tagsel, 0ULL, tagsel32);

	if (ep_priv->recv_selective_completion && !(flags & FI_COMPLETION)) {
		fi_context = psmx2_ep_get_op_context(ep_priv);
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_NOCOMP_RECV_CONTEXT_ALLOC;
		PSMX2_CTXT_EP(fi_context) = ep_priv;
		PSMX2_CTXT_USER(fi_context) = buf;
		PSMX2_CTXT_SIZE(fi_context) = len;
	} else {
		if (!context)
			return -FI_EINVAL;

		fi_context = context;
		if (flags & FI_MULTI_RECV) {
			struct psmx2_multi_recv *req;

			req = calloc(1, sizeof(*req));
			if (!req)
				return -FI_ENOMEM;

			req->src_addr = psm2_epaddr;
			req->tag = psm2_tag;
			req->tagsel = psm2_tagsel;
			req->flag = recv_flag;
			req->buf = buf;
			req->len = len;
			req->offset = 0;
			req->min_buf_size = ep_priv->min_multi_recv;
			req->context = fi_context; 
			PSMX2_CTXT_TYPE(fi_context) = PSMX2_MULTI_RECV_CONTEXT;
			PSMX2_CTXT_USER(fi_context) = req;
			if (len > PSMX2_MAX_MSG_SIZE)
				len = PSMX2_MAX_MSG_SIZE;
		} else {
			PSMX2_CTXT_TYPE(fi_context) = PSMX2_RECV_CONTEXT;
			PSMX2_CTXT_USER(fi_context) = buf;
		}
		PSMX2_CTXT_EP(fi_context) = ep_priv;
		PSMX2_CTXT_SIZE(fi_context) = len;
	}

	err = psm2_mq_irecv2(ep_priv->domain->psm2_mq, psm2_epaddr,
			     &psm2_tag, &psm2_tagsel, recv_flag, buf, len,
			     (void *)fi_context, &psm2_req);
	if (err != PSM2_OK)
		return psmx2_errno(err);

	if (fi_context == context)
		PSMX2_CTXT_REQ(fi_context) = psm2_req;

	return 0;
}
Esempio n. 3
0
ssize_t psmx2_write_generic(struct fid_ep *ep, const void *buf, size_t len,
			    void *desc, fi_addr_t dest_addr,
			    uint64_t addr, uint64_t key, void *context,
			    uint64_t flags, uint64_t data)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	struct psmx2_epaddr_context *epaddr_context;
	struct psmx2_am_request *req;
	psm2_amarg_t args[8];
	int nargs;
	int am_flags = PSM2_AM_FLAG_ASYNC;
	int chunk_size;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag;
	uint32_t tag32;
	size_t idx;
	void *psm2_context;
	int no_event;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_WRITE;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->write.ep = ep;
		trigger->write.buf = buf;
		trigger->write.len = len;
		trigger->write.desc = desc;
		trigger->write.dest_addr = dest_addr;
		trigger->write.addr = addr;
		trigger->write.key = key;
		trigger->write.context = context;
		trigger->write.flags = flags & ~FI_TRIGGER;
		trigger->write.data = data;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}

	if (!buf)
		return -FI_EINVAL;

	av = ep_priv->av;
	if (av && av->type == FI_AV_TABLE) {
		idx = dest_addr;
		if (idx >= av->last)
			return -FI_EINVAL;

		psm2_epaddr = av->epaddrs[idx];
		vlane = av->vlanes[idx];
	} else {
		if (!dest_addr)
			return -FI_EINVAL;

		psm2_epaddr = PSMX2_ADDR_TO_EP(dest_addr);
		vlane = PSMX2_ADDR_TO_VL(dest_addr);
	}

	epaddr_context = psm2_epaddr_getctxt((void *)psm2_epaddr);
	if (epaddr_context->epid == ep_priv->domain->psm2_epid)
		return psmx2_rma_self(PSMX2_AM_REQ_WRITE, ep_priv,
				      ep_priv->domain->eps[vlane],
				      (void *)buf, len, desc, addr,
				      key, context, flags, data);

	no_event = (flags & PSMX2_NO_COMPLETION) ||
		   (ep_priv->send_selective_completion && !(flags & FI_COMPLETION));

	if (flags & FI_INJECT) {
		if (len > PSMX2_INJECT_SIZE)
			return -FI_EMSGSIZE;

		req = malloc(sizeof(*req) + len);
		if (!req)
			return -FI_ENOMEM;

		memset(req, 0, sizeof(*req));
		memcpy((uint8_t *)req + sizeof(*req), (void *)buf, len);
		buf = (uint8_t *)req + sizeof(*req);
	} else {
		req = calloc(1, sizeof(*req));
		if (!req)
			return -FI_ENOMEM;

		PSMX2_CTXT_TYPE(&req->fi_context) = no_event ?
						    PSMX2_NOCOMP_WRITE_CONTEXT :
						    PSMX2_WRITE_CONTEXT;
	}

	req->no_event = no_event;
	req->op = PSMX2_AM_REQ_WRITE;
	req->write.buf = (void *)buf;
	req->write.len = len;
	req->write.addr = addr;	/* needed? */
	req->write.key = key; 	/* needed? */
	req->write.context = context;
	req->ep = ep_priv;
	req->cq_flags = FI_WRITE | FI_RMA;
	PSMX2_CTXT_USER(&req->fi_context) = context;
	PSMX2_CTXT_EP(&req->fi_context) = ep_priv;

	chunk_size = psmx2_am_param.max_request_short;

	args[0].u32w0 = 0;
	PSMX2_AM_SET_SRC(args[0].u32w0, ep_priv->vlane);
	PSMX2_AM_SET_DST(args[0].u32w0, vlane);

	if (psmx2_env.tagged_rma && len > chunk_size) {
		tag32 = PSMX2_TAG32(PSMX2_RMA_BIT, ep_priv->vlane, vlane);
		PSMX2_SET_TAG(psm2_tag, (uint64_t)req, tag32);
		PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_WRITE_LONG);
		args[0].u32w1 = len;
		args[1].u64 = (uint64_t)req;
		args[2].u64 = addr;
		args[3].u64 = key;
		nargs = 4;
		if (flags & FI_REMOTE_CQ_DATA) {
			PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_DATA);
			args[4].u64 = data;
			nargs++;
		}

		if (flags & FI_DELIVERY_COMPLETE) {
			args[0].u32w0 |= PSMX2_AM_FORCE_ACK;
			psm2_context = NULL;
		} else {
			psm2_context = (void *)&req->fi_context;
		}

		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER, args,
				      nargs, NULL, 0, am_flags, NULL, NULL);

		psm2_mq_isend2(ep_priv->domain->psm2_mq, psm2_epaddr, 0,
			       &psm2_tag, buf, len, psm2_context, &psm2_req);

		return 0;
	}

	PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_WRITE);
	nargs = 4;
	while (len > chunk_size) {
		args[0].u32w1 = chunk_size;
		args[1].u64 = (uint64_t)(uintptr_t)req;
		args[2].u64 = addr;
		args[3].u64 = key;
		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER, args,
				      nargs, (void *)buf, chunk_size, am_flags,
				      NULL, NULL);
		buf = (const uint8_t *)buf + chunk_size;
		addr += chunk_size;
		len -= chunk_size;
	}

	args[0].u32w1 = len;
	args[1].u64 = (uint64_t)(uintptr_t)req;
	args[2].u64 = addr;
	args[3].u64 = key;
	if (flags & FI_REMOTE_CQ_DATA) {
		PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_DATA | PSMX2_AM_EOM);
		args[4].u64 = data;
		nargs++;
	} else {
		PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_EOM);
	}
	psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER, args, nargs,
			      (void *)buf, len, am_flags, NULL, NULL);

	return 0;
}
Esempio n. 4
0
ssize_t psmx2_send_generic(struct fid_ep *ep, const void *buf, size_t len,
			   void *desc, fi_addr_t dest_addr, void *context,
			   uint64_t flags, uint64_t data)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag;
	uint32_t tag32;
	struct fi_context * fi_context;
	int send_flag = 0;
	int err;
	size_t idx;
	int no_completion = 0;
	struct psmx2_cq_event *event;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_SEND;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->send.ep = ep;
		trigger->send.buf = buf;
		trigger->send.len = len;
		trigger->send.desc = desc;
		trigger->send.dest_addr = dest_addr;
		trigger->send.context = context;
		trigger->send.flags = flags & ~FI_TRIGGER;
		trigger->send.data = data;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}

	av = ep_priv->av;
	if (av && av->type == FI_AV_TABLE) {
		idx = (size_t)dest_addr;
		if (idx >= av->last)
			return -FI_EINVAL;

		psm2_epaddr = av->epaddrs[idx];
		vlane = av->vlanes[idx];
	} else  {
		psm2_epaddr = PSMX2_ADDR_TO_EP(dest_addr);
		vlane = PSMX2_ADDR_TO_VL(dest_addr);
	}

	tag32 = PSMX2_TAG32(PSMX2_MSG_BIT, ep_priv->vlane, vlane);
	if (flags & FI_REMOTE_CQ_DATA)
		tag32 |= PSMX2_IMM_BIT;
	PSMX2_SET_TAG(psm2_tag, data, tag32);

	if ((flags & PSMX2_NO_COMPLETION) ||
	    (ep_priv->send_selective_completion && !(flags & FI_COMPLETION)))
		no_completion = 1;

	if (flags & FI_INJECT) {
		if (len > PSMX2_INJECT_SIZE)
			return -FI_EMSGSIZE;

		err = psm2_mq_send2(ep_priv->domain->psm2_mq, psm2_epaddr,
				    send_flag, &psm2_tag, buf, len);

		if (err != PSM2_OK)
			return psmx2_errno(err);

		if (ep_priv->send_cntr)
			psmx2_cntr_inc(ep_priv->send_cntr);

		if (ep_priv->send_cq && !no_completion) {
			event = psmx2_cq_create_event(
					ep_priv->send_cq,
					context, (void *)buf, flags, len,
					(uint64_t) data,
					0 /* tag */,
					0 /* olen */,
					0 /* err */);

			if (event)
				psmx2_cq_enqueue_event(ep_priv->send_cq, event);
			else
				return -FI_ENOMEM;
		}

		return 0;
	}

	if (no_completion && !context) {
		fi_context = &ep_priv->nocomp_send_context;
	} else {
		if (!context)
			return -FI_EINVAL;

		fi_context = context;
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_SEND_CONTEXT;
		PSMX2_CTXT_USER(fi_context) = (void *)buf;
		PSMX2_CTXT_EP(fi_context) = ep_priv;
	}

	err = psm2_mq_isend2(ep_priv->domain->psm2_mq, psm2_epaddr,
			     send_flag, &psm2_tag, buf, len,
			     (void *)fi_context, &psm2_req);

	if (err != PSM2_OK)
		return psmx2_errno(err);

	if (fi_context == context)
		PSMX2_CTXT_REQ(fi_context) = psm2_req;

	return 0;
}
Esempio n. 5
0
ssize_t psmx2_readv_generic(struct fid_ep *ep, const struct iovec *iov,
			    void *desc, size_t count, fi_addr_t src_addr,
			    uint64_t addr, uint64_t key, void *context,
			    uint64_t flags)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	struct psmx2_epaddr_context *epaddr_context;
	struct psmx2_am_request *req;
	psm2_amarg_t args[8];
	int chunk_size;
	size_t offset = 0;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag, psm2_tagsel;
	uint32_t tag32;
	size_t idx;
	size_t total_len, long_len, short_len;
	void *long_buf;
	int i;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_READV;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->readv.ep = ep;
		trigger->readv.iov = iov;
		trigger->readv.count = count;
		trigger->readv.desc = desc;
		trigger->readv.src_addr = src_addr;
		trigger->readv.addr = addr;
		trigger->readv.key = key;
		trigger->readv.context = context;
		trigger->readv.flags = flags & ~FI_TRIGGER;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}

	av = ep_priv->av;
	if (av && av->type == FI_AV_TABLE) {
		idx = src_addr;
		if (idx >= av->last)
			return -FI_EINVAL;

		psm2_epaddr = av->epaddrs[idx];
		vlane = av->vlanes[idx];
	} else {
		if (!src_addr)
			return -FI_EINVAL;

		psm2_epaddr = PSMX2_ADDR_TO_EP(src_addr);
		vlane = PSMX2_ADDR_TO_VL(src_addr);
	}

	epaddr_context = psm2_epaddr_getctxt((void *)psm2_epaddr);
	if (epaddr_context->epid == ep_priv->domain->psm2_epid)
		return psmx2_rma_self(PSMX2_AM_REQ_READV, ep_priv,
				      ep_priv->domain->eps[vlane],
				      (void *)iov, count, desc, addr,
				      key, context, flags, 0);

	total_len = 0;
	for (i=0; i<count; i++)
		total_len += iov[i].iov_len;

	req = calloc(1, sizeof(*req) + count * sizeof(struct iovec));
	if (!req)
		return -FI_ENOMEM;

	memcpy(req->iov, iov, count * sizeof(struct iovec));

	req->op = PSMX2_AM_REQ_READV;
	req->read.iov_count = count;
	req->read.len = total_len;
	req->read.addr = addr;	/* needed? */
	req->read.key = key; 	/* needed? */
	req->read.context = context;
	req->ep = ep_priv;
	req->cq_flags = FI_READ | FI_RMA;
	PSMX2_CTXT_TYPE(&req->fi_context) = PSMX2_READ_CONTEXT;
	PSMX2_CTXT_USER(&req->fi_context) = context;
	PSMX2_CTXT_EP(&req->fi_context) = ep_priv;

	if (ep_priv->send_selective_completion && !(flags & FI_COMPLETION)) {
		PSMX2_CTXT_TYPE(&req->fi_context) = PSMX2_NOCOMP_READ_CONTEXT;
		req->no_event = 1;
	}

	chunk_size = psmx2_am_param.max_reply_short;

	long_len = 0;
	if (psmx2_env.tagged_rma) {
		for (i=count-1; i>=0; i--) {
			if (iov[i].iov_len > chunk_size) {
				long_buf = iov[i].iov_base;
				long_len = iov[i].iov_len;
				break;
			} else if (iov[i].iov_len) {
				break;
			}
		}
	}

	short_len = total_len - long_len;

	/* Use short protocol for all but the last segment (long_len) */
	args[0].u32w0 = 0;
	PSMX2_AM_SET_SRC(args[0].u32w0, ep_priv->vlane);
	PSMX2_AM_SET_DST(args[0].u32w0, vlane);
	PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_READ);
	args[1].u64 = (uint64_t)(uintptr_t)req;
	args[3].u64 = key;
	while (short_len > chunk_size) {
		args[0].u32w1 = chunk_size;
		args[2].u64 = addr;
		args[4].u64 = offset;
		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER,
				      args, 5, NULL, 0, 0, NULL, NULL);
		addr += chunk_size;
		short_len -= chunk_size;
		offset += chunk_size;
	}

	if (!long_len)
		PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_EOM);
	args[0].u32w1 = short_len;
	args[2].u64 = addr;
	args[4].u64 = offset;
	psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER,
			      args, 5, NULL, 0, 0, NULL, NULL);

	/* Use the long protocol for the last segment */
	if (long_len) {
		tag32 = PSMX2_TAG32(PSMX2_RMA_BIT, vlane, ep_priv->vlane);
		PSMX2_SET_TAG(psm2_tag, (uint64_t)req, tag32);
		PSMX2_SET_TAG(psm2_tagsel, -1ULL, -1);
		psm2_mq_irecv2(ep_priv->domain->psm2_mq, psm2_epaddr,
			       &psm2_tag, &psm2_tagsel, 0,
			       long_buf, long_len,
			       (void *)&req->fi_context, &psm2_req);

		PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_READ_LONG);
		args[0].u32w1 = long_len;
		args[1].u64 = (uint64_t)req;
		args[2].u64 = addr + short_len;
		args[3].u64 = key;
		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER,
				      args, 4, NULL, 0, 0, NULL, NULL);
	}

	return 0;
}
Esempio n. 6
0
ssize_t psmx2_read_generic(struct fid_ep *ep, void *buf, size_t len,
			   void *desc, fi_addr_t src_addr,
			   uint64_t addr, uint64_t key, void *context,
			   uint64_t flags)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	struct psmx2_epaddr_context *epaddr_context;
	struct psmx2_am_request *req;
	psm2_amarg_t args[8];
	int chunk_size;
	size_t offset = 0;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag, psm2_tagsel;
	uint32_t tag32;
	size_t idx;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_READ;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->read.ep = ep;
		trigger->read.buf = buf;
		trigger->read.len = len;
		trigger->read.desc = desc;
		trigger->read.src_addr = src_addr;
		trigger->read.addr = addr;
		trigger->read.key = key;
		trigger->read.context = context;
		trigger->read.flags = flags & ~FI_TRIGGER;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}

	if (!buf)
		return -FI_EINVAL;

	av = ep_priv->av;
	if (av && av->type == FI_AV_TABLE) {
		idx = src_addr;
		if (idx >= av->last)
			return -FI_EINVAL;

		psm2_epaddr = av->epaddrs[idx];
		vlane = av->vlanes[idx];
	} else {
		if (!src_addr)
			return -FI_EINVAL;

		psm2_epaddr = PSMX2_ADDR_TO_EP(src_addr);
		vlane = PSMX2_ADDR_TO_VL(src_addr);
	}

	epaddr_context = psm2_epaddr_getctxt((void *)psm2_epaddr);
	if (epaddr_context->epid == ep_priv->domain->psm2_epid)
		return psmx2_rma_self(PSMX2_AM_REQ_READ, ep_priv,
				      ep_priv->domain->eps[vlane],
				      buf, len, desc, addr, key,
				      context, flags, 0);

	req = calloc(1, sizeof(*req));
	if (!req)
		return -FI_ENOMEM;

	req->op = PSMX2_AM_REQ_READ;
	req->read.buf = buf;
	req->read.len = len;
	req->read.addr = addr;	/* needed? */
	req->read.key = key; 	/* needed? */
	req->read.context = context;
	req->ep = ep_priv;
	req->cq_flags = FI_READ | FI_RMA;
	PSMX2_CTXT_TYPE(&req->fi_context) = PSMX2_READ_CONTEXT;
	PSMX2_CTXT_USER(&req->fi_context) = context;
	PSMX2_CTXT_EP(&req->fi_context) = ep_priv;

	if (ep_priv->send_selective_completion && !(flags & FI_COMPLETION)) {
		PSMX2_CTXT_TYPE(&req->fi_context) = PSMX2_NOCOMP_READ_CONTEXT;
		req->no_event = 1;
	}

	chunk_size = psmx2_am_param.max_reply_short;

	args[0].u32w0 = 0;
	PSMX2_AM_SET_SRC(args[0].u32w0, ep_priv->vlane);
	PSMX2_AM_SET_DST(args[0].u32w0, vlane);

	if (psmx2_env.tagged_rma && len > chunk_size) {
		tag32 = PSMX2_TAG32(PSMX2_RMA_BIT, vlane, ep_priv->vlane);
		PSMX2_SET_TAG(psm2_tag, (uint64_t)req, tag32);
		PSMX2_SET_TAG(psm2_tagsel, -1ULL, -1);
		psm2_mq_irecv2(ep_priv->domain->psm2_mq, psm2_epaddr,
			       &psm2_tag, &psm2_tagsel, 0, buf, len,
			       (void *)&req->fi_context, &psm2_req);

		PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_READ_LONG);
		args[0].u32w1 = len;
		args[1].u64 = (uint64_t)req;
		args[2].u64 = addr;
		args[3].u64 = key;
		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER,
				      args, 4, NULL, 0, 0, NULL, NULL);

		return 0;
	}

	PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_READ);
	args[1].u64 = (uint64_t)(uintptr_t)req;
	args[3].u64 = key;
	while (len > chunk_size) {
		args[0].u32w1 = chunk_size;
		args[2].u64 = addr;
		args[4].u64 = offset;
		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER,
				      args, 5, NULL, 0, 0, NULL, NULL);
		addr += chunk_size;
		len -= chunk_size;
		offset += chunk_size;
	}

	PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_EOM);
	args[0].u32w1 = len;
	args[2].u64 = addr;
	args[4].u64 = offset;
	psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER,
			      args, 5, NULL, 0, 0, NULL, NULL);

	return 0;
}
Esempio n. 7
0
ssize_t psmx2_writev_generic(struct fid_ep *ep, const struct iovec *iov,
		             void **desc, size_t count, fi_addr_t dest_addr,
		             uint64_t addr, uint64_t key, void *context,
			     uint64_t flags, uint64_t data)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	struct psmx2_epaddr_context *epaddr_context;
	struct psmx2_am_request *req;
	psm2_amarg_t args[8];
	int nargs;
	int am_flags = PSM2_AM_FLAG_ASYNC;
	int chunk_size;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag;
	uint32_t tag32;
	size_t idx;
	void *psm2_context;
	int no_event;
	size_t total_len, len, len_sent;
	uint8_t *buf, *p;
	int i;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_WRITEV;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->writev.ep = ep;
		trigger->writev.iov = iov;
		trigger->writev.count = count;
		trigger->writev.desc = desc;
		trigger->writev.dest_addr = dest_addr;
		trigger->writev.addr = addr;
		trigger->writev.key = key;
		trigger->writev.context = context;
		trigger->writev.flags = flags & ~FI_TRIGGER;
		trigger->writev.data = data;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}

	av = ep_priv->av;
	if (av && av->type == FI_AV_TABLE) {
		idx = dest_addr;
		if (idx >= av->last)
			return -FI_EINVAL;

		psm2_epaddr = av->epaddrs[idx];
		vlane = av->vlanes[idx];
	} else {
		if (!dest_addr)
			return -FI_EINVAL;

		psm2_epaddr = PSMX2_ADDR_TO_EP(dest_addr);
		vlane = PSMX2_ADDR_TO_VL(dest_addr);
	}

	epaddr_context = psm2_epaddr_getctxt((void *)psm2_epaddr);
	if (epaddr_context->epid == ep_priv->domain->psm2_epid)
		return psmx2_rma_self(PSMX2_AM_REQ_WRITEV, ep_priv,
				      ep_priv->domain->eps[vlane],
				      (void *)iov, count, desc, addr,
				      key, context, flags, data);

	no_event = (flags & PSMX2_NO_COMPLETION) ||
		   (ep_priv->send_selective_completion && !(flags & FI_COMPLETION));

	total_len = 0;
	for (i=0; i<count; i++)
		total_len += iov[i].iov_len;

	chunk_size = psmx2_am_param.max_request_short;

	/* Case 1: fit into a AM message, then pack and send */
	if (total_len <= chunk_size) {
		req = malloc(sizeof(*req) + total_len);
		if (!req)
			return -FI_ENOMEM;

		memset(req, 0, sizeof(*req));
		p = (uint8_t *)req + sizeof(*req);
		for (i=0; i<count; i++) {
			if (iov[i].iov_len) {
				memcpy(p, iov[i].iov_base, iov[i].iov_len);
				p += iov[i].iov_len;
			}
		}
		buf = (uint8_t *)req + sizeof(*req);
		len = total_len;

		req->no_event = no_event;
		req->op = PSMX2_AM_REQ_WRITE;
		req->write.buf = (void *)buf;
		req->write.len = len;
		req->write.addr = addr;	/* needed? */
		req->write.key = key; 	/* needed? */
		req->write.context = context;
		req->ep = ep_priv;
		req->cq_flags = FI_WRITE | FI_RMA;
		PSMX2_CTXT_USER(&req->fi_context) = context;
		PSMX2_CTXT_EP(&req->fi_context) = ep_priv;

		args[0].u32w0 = 0;
		PSMX2_AM_SET_SRC(args[0].u32w0, ep_priv->vlane);
		PSMX2_AM_SET_DST(args[0].u32w0, vlane);
		PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_WRITE);
		args[0].u32w1 = len;
		args[1].u64 = (uint64_t)(uintptr_t)req;
		args[2].u64 = addr;
		args[3].u64 = key;
		nargs = 4;
		if (flags & FI_REMOTE_CQ_DATA) {
			PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_DATA | PSMX2_AM_EOM);
			args[4].u64 = data;
			nargs++;
		} else {
			PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_EOM);
		}
		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER, args, nargs,
				      (void *)buf, len, am_flags, NULL, NULL);

		return 0;
	}

	if (flags & FI_INJECT)
		return -FI_EMSGSIZE;

	req = calloc(1, sizeof(*req));
	if (!req)
		return -FI_ENOMEM;

	PSMX2_CTXT_TYPE(&req->fi_context) = no_event ?
					    PSMX2_NOCOMP_WRITE_CONTEXT :
					    PSMX2_WRITE_CONTEXT;

	req->no_event = no_event;
	req->op = PSMX2_AM_REQ_WRITE;
	req->write.buf = (void *)iov[0].iov_base;
	req->write.len = total_len;
	req->write.addr = addr;	/* needed? */
	req->write.key = key; 	/* needed? */
	req->write.context = context;
	req->ep = ep_priv;
	req->cq_flags = FI_WRITE | FI_RMA;
	PSMX2_CTXT_USER(&req->fi_context) = context;
	PSMX2_CTXT_EP(&req->fi_context) = ep_priv;

	/* Case 2: send iov in sequence */
	args[0].u32w0 = 0;
	PSMX2_AM_SET_SRC(args[0].u32w0, ep_priv->vlane);
	PSMX2_AM_SET_DST(args[0].u32w0, vlane);

	len_sent = 0;
	for (i=0; i<count; i++) {
		if (!iov[i].iov_len)
			continue;

		/* Case 2.1: use long protocol for the last segment if it is large */
		if (psmx2_env.tagged_rma && iov[i].iov_len > chunk_size &&
		    len_sent + iov[i].iov_len == total_len) {
			tag32 = PSMX2_TAG32(PSMX2_RMA_BIT, ep_priv->vlane, vlane);
			PSMX2_SET_TAG(psm2_tag, (uint64_t)req, tag32);
			PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_WRITE_LONG);
			args[0].u32w1 = iov[i].iov_len;
			args[1].u64 = (uint64_t)req;
			args[2].u64 = addr;
			args[3].u64 = key;
			nargs = 4;
			if (flags & FI_REMOTE_CQ_DATA) {
				PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_DATA);
				args[4].u64 = data;
				nargs++;
			}

			if (flags & FI_DELIVERY_COMPLETE) {
				args[0].u32w0 |= PSMX2_AM_FORCE_ACK;
				psm2_context = NULL;
			} else {
				psm2_context = (void *)&req->fi_context;
			}

			psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER, args,
					      nargs, NULL, 0, am_flags, NULL, NULL);

			psm2_mq_isend2(ep_priv->domain->psm2_mq, psm2_epaddr, 0,
				       &psm2_tag, iov[i].iov_base, iov[i].iov_len,
				       psm2_context, &psm2_req);

			return 0;
		}

		/* Case 2.2: use short protocol all other segments */
		PSMX2_AM_SET_OP(args[0].u32w0, PSMX2_AM_REQ_WRITE);
		nargs = 4;
		buf = iov[i].iov_base;
		len = iov[i].iov_len;
		while (len > chunk_size) {
			args[0].u32w1 = chunk_size;
			args[1].u64 = (uint64_t)(uintptr_t)req;
			args[2].u64 = addr;
			args[3].u64 = key;
			psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER, args,
					      nargs, (void *)buf, chunk_size, am_flags,
					      NULL, NULL);
			buf += chunk_size;
			addr += chunk_size;
			len -= chunk_size;
			len_sent += chunk_size;
		}

		args[0].u32w1 = len;
		args[1].u64 = (uint64_t)(uintptr_t)req;
		args[2].u64 = addr;
		args[3].u64 = key;
		if (len_sent + len == total_len) {
			if (flags & FI_REMOTE_CQ_DATA) {
				PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_DATA | PSMX2_AM_EOM);
				args[4].u64 = data;
				nargs++;
			} else {
				PSMX2_AM_SET_FLAG(args[0].u32w0, PSMX2_AM_EOM);
			}
		}
		psm2_am_request_short(psm2_epaddr, PSMX2_AM_RMA_HANDLER, args, nargs,
				      (void *)buf, len, am_flags, NULL, NULL);

		addr += len;
		len_sent += len;
	}

	return 0;
}
Esempio n. 8
0
ssize_t psmx2_tagged_recv_generic(struct fid_ep *ep, void *buf,
				  size_t len, void *desc,
				  fi_addr_t src_addr, 
				  uint64_t tag, uint64_t ignore,
				  void *context, uint64_t flags)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag, psm2_tagsel;
	uint32_t tag32, tagsel32;	
	struct fi_context *fi_context;
	size_t idx;
	int err;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_PEEK)
		return psmx2_tagged_peek_generic(ep, buf, len, desc,
						 src_addr, tag, ignore,
						 context, flags);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_TRECV;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->trecv.ep = ep;
		trigger->trecv.buf = buf;
		trigger->trecv.len = len;
		trigger->trecv.desc = desc;
		trigger->trecv.src_addr = src_addr;
		trigger->trecv.tag = tag;
		trigger->trecv.ignore = ignore;
		trigger->trecv.context = context;
		trigger->trecv.flags = flags & ~FI_TRIGGER;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}
 
	if (flags & FI_CLAIM) {
		if (!context)
			return -FI_EINVAL;

		if (flags & FI_DISCARD) {
			psm2_mq_status2_t psm2_status;
			struct psmx2_cq_event *event;

			fi_context = context;
			psm2_req = PSMX2_CTXT_REQ(fi_context);
			err = psm2_mq_imrecv(ep_priv->trx_ctxt->psm2_mq, 0,
					     NULL, 0, context, &psm2_req);
			if (err != PSM2_OK)
				return psmx2_errno(err);

			psm2_mq_wait2(&psm2_req, &psm2_status);

			if (ep_priv->recv_cq &&
			    (!ep_priv->recv_selective_completion || (flags & FI_COMPLETION))) {
				tag = PSMX2_GET_TAG64(psm2_status.msg_tag);
				event = psmx2_cq_create_event(
						ep_priv->recv_cq,
						context,		/* op_context */
						NULL,			/* buf */
						flags|FI_RECV|FI_TAGGED,/* flags */
						0,			/* len */
						0,			/* data */
						tag,			/* tag */
						0,			/* olen */
						0);			/* err */

				if (!event)
					return -FI_ENOMEM;

				vlane = PSMX2_TAG32_GET_SRC(psm2_status.msg_tag.tag2);
				event->source_is_valid = 1;
				event->source = PSMX2_EP_TO_ADDR(psm2_status.msg_peer, vlane);
				event->source_av = ep_priv->av;
				psmx2_cq_enqueue_event(ep_priv->recv_cq, event);
			}

			if (ep_priv->recv_cntr)
				psmx2_cntr_inc(ep_priv->recv_cntr);

			return 0;
		}

		fi_context = context;
		psm2_req = PSMX2_CTXT_REQ(fi_context);
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_TRECV_CONTEXT;
		PSMX2_CTXT_USER(fi_context) = buf;
		PSMX2_CTXT_EP(fi_context) = ep_priv;

		err = psm2_mq_imrecv(ep_priv->trx_ctxt->psm2_mq, 0,
				     buf, len, context, &psm2_req);
		if (err != PSM2_OK)
			return psmx2_errno(err);

		PSMX2_CTXT_REQ(fi_context) = psm2_req;
		return 0;
	}

	if (ep_priv->recv_selective_completion && !(flags & FI_COMPLETION)) {
		fi_context = psmx2_ep_get_op_context(ep_priv);
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_NOCOMP_RECV_CONTEXT_ALLOC;
		PSMX2_CTXT_EP(fi_context) = ep_priv;
		PSMX2_CTXT_USER(fi_context) = buf;
		PSMX2_CTXT_SIZE(fi_context) = len;
	} else {
		if (!context)
			return -FI_EINVAL;

		fi_context = context;
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_TRECV_CONTEXT;
		PSMX2_CTXT_USER(fi_context) = buf;
		PSMX2_CTXT_EP(fi_context) = ep_priv;
		PSMX2_CTXT_SIZE(fi_context) = len;
	}

	if ((ep_priv->caps & FI_DIRECTED_RECV) && src_addr != FI_ADDR_UNSPEC) {
		av = ep_priv->av;
		if (av && PSMX2_SEP_ADDR_TEST(src_addr)) {
			psm2_epaddr = psmx2_av_translate_sep(av, ep_priv->trx_ctxt, src_addr);
			vlane = 0;
		} else if (av && av->type == FI_AV_TABLE) {
			idx = (size_t)src_addr;
			if (idx >= av->last)
				return -FI_EINVAL;

			psm2_epaddr = av->epaddrs[idx];
			vlane = av->vlanes[idx];
		} else {
			psm2_epaddr = PSMX2_ADDR_TO_EP(src_addr);
			vlane = PSMX2_ADDR_TO_VL(src_addr);
		}
		tag32 = PSMX2_TAG32(0, vlane, ep_priv->vlane);
		tagsel32 = ~PSMX2_IOV_BIT;
	} else {
		psm2_epaddr = 0;
		tag32 = PSMX2_TAG32(0, 0, ep_priv->vlane);
		tagsel32 = ~(PSMX2_IOV_BIT | PSMX2_SRC_BITS);
	}

	PSMX2_SET_TAG(psm2_tag, tag, tag32);
	PSMX2_SET_TAG(psm2_tagsel, ~ignore, tagsel32);

	err = psm2_mq_irecv2(ep_priv->trx_ctxt->psm2_mq, psm2_epaddr,
			     &psm2_tag, &psm2_tagsel, 0, buf, len,
			     (void *)fi_context, &psm2_req);

	if (err != PSM2_OK)
		return psmx2_errno(err);

	if (fi_context == context)
		PSMX2_CTXT_REQ(fi_context) = psm2_req;

	return 0;
}
Esempio n. 9
0
ssize_t psmx2_tagged_recv_generic(struct fid_ep *ep, void *buf,
				  size_t len, void *desc,
				  fi_addr_t src_addr, 
				  uint64_t tag, uint64_t ignore,
				  void *context, uint64_t flags)
{
	struct psmx2_fid_ep *ep_priv;
	struct psmx2_fid_av *av;
	psm2_epaddr_t psm2_epaddr;
	uint8_t vlane;
	psm2_mq_req_t psm2_req;
	psm2_mq_tag_t psm2_tag, psm2_tagsel;
	uint32_t tag32, tagsel32;	
	struct fi_context *fi_context;
	size_t idx;
	int err;

	ep_priv = container_of(ep, struct psmx2_fid_ep, ep);

	if (flags & FI_PEEK)
		return psmx2_tagged_peek_generic(ep, buf, len, desc,
						 src_addr, tag, ignore,
						 context, flags);

	if (flags & FI_TRIGGER) {
		struct psmx2_trigger *trigger;
		struct fi_triggered_context *ctxt = context;

		trigger = calloc(1, sizeof(*trigger));
		if (!trigger)
			return -FI_ENOMEM;

		trigger->op = PSMX2_TRIGGERED_TRECV;
		trigger->cntr = container_of(ctxt->trigger.threshold.cntr,
					     struct psmx2_fid_cntr, cntr);
		trigger->threshold = ctxt->trigger.threshold.threshold;
		trigger->trecv.ep = ep;
		trigger->trecv.buf = buf;
		trigger->trecv.len = len;
		trigger->trecv.desc = desc;
		trigger->trecv.src_addr = src_addr;
		trigger->trecv.tag = tag;
		trigger->trecv.ignore = ignore;
		trigger->trecv.context = context;
		trigger->trecv.flags = flags & ~FI_TRIGGER;

		psmx2_cntr_add_trigger(trigger->cntr, trigger);
		return 0;
	}
 
	if (flags & FI_CLAIM) {
		if (!context)
			return -FI_EINVAL;

		/* TODO: handle FI_DISCARD */

		fi_context = context;
		psm2_req = PSMX2_CTXT_REQ(fi_context);
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_TRECV_CONTEXT;
		PSMX2_CTXT_USER(fi_context) = buf;
		PSMX2_CTXT_EP(fi_context) = ep_priv;

		err = psm2_mq_imrecv(ep_priv->domain->psm2_mq, 0,
				     buf, len, context, &psm2_req);
		if (err != PSM2_OK)
			return psmx2_errno(err);

		PSMX2_CTXT_REQ(fi_context) = psm2_req;
		return 0;
	}

	if (ep_priv->recv_selective_completion && !(flags & FI_COMPLETION)) {
		fi_context = psmx2_ep_get_op_context(ep_priv);
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_NOCOMP_RECV_CONTEXT_ALLOC;
		PSMX2_CTXT_EP(fi_context) = ep_priv;
		PSMX2_CTXT_USER(fi_context) = buf;
		PSMX2_CTXT_SIZE(fi_context) = len;
	} else {
		if (!context)
			return -FI_EINVAL;

		fi_context = context;
		PSMX2_CTXT_TYPE(fi_context) = PSMX2_TRECV_CONTEXT;
		PSMX2_CTXT_USER(fi_context) = buf;
		PSMX2_CTXT_EP(fi_context) = ep_priv;
		PSMX2_CTXT_SIZE(fi_context) = len;
	}

	if ((ep_priv->caps & FI_DIRECTED_RECV) && src_addr != FI_ADDR_UNSPEC) {
		av = ep_priv->av;
		if (av && av->type == FI_AV_TABLE) {
			idx = (size_t)src_addr;
			if (idx >= av->last)
				return -FI_EINVAL;

			psm2_epaddr = av->epaddrs[idx];
			vlane = av->vlanes[idx];
		} else {
			psm2_epaddr = PSMX2_ADDR_TO_EP(src_addr);
			vlane = PSMX2_ADDR_TO_VL(src_addr);
		}
		tag32 = PSMX2_TAG32(0, vlane, ep_priv->vlane);
		tagsel32 = ~PSMX2_IOV_BIT;
	} else {
		psm2_epaddr = 0;
		tag32 = PSMX2_TAG32(0, 0, ep_priv->vlane);
		tagsel32 = ~(PSMX2_IOV_BIT | PSMX2_SRC_BITS);
	}

	PSMX2_SET_TAG(psm2_tag, tag, tag32);
	PSMX2_SET_TAG(psm2_tagsel, ~ignore, tagsel32);

	err = psm2_mq_irecv2(ep_priv->domain->psm2_mq, psm2_epaddr,
			     &psm2_tag, &psm2_tagsel, 0, buf, len,
			     (void *)fi_context, &psm2_req);

	if (err != PSM2_OK)
		return psmx2_errno(err);

	if (fi_context == context)
		PSMX2_CTXT_REQ(fi_context) = psm2_req;

	return 0;
}