Commit d4875ed8 authored by Ziye Yang's avatar Ziye Yang Committed by Jim Harris
Browse files

nvme/tcp: add nvme_tcp_qpair_check_timeout function. 



To enable the timeout function.

Change-Id: Id5c40848957743683b6a5c2d085e7f777f14497d
Signed-off-by: default avatarZiye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/c/444803


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
parent c3da46d5

lib/nvme/nvme_tcp.c

+43 −0
Original line number Diff line number Diff line
@@ -1554,6 +1554,45 @@ nvme_tcp_read_pdu(struct nvme_tcp_qpair *tqpair, uint32_t *reaped) 
	return rc;

}



static void

nvme_tcp_qpair_check_timeout(struct spdk_nvme_qpair *qpair)

{

	uint64_t t02;

	struct nvme_tcp_req *tcp_req, *tmp;

	struct nvme_tcp_qpair *tqpair = nvme_tcp_qpair(qpair);

	struct spdk_nvme_ctrlr *ctrlr = qpair->ctrlr;

	struct spdk_nvme_ctrlr_process *active_proc;



	/* Don't check timeouts during controller initialization. */

	if (ctrlr->state != NVME_CTRLR_STATE_READY) {

		return;

	}



	if (nvme_qpair_is_admin_queue(qpair)) {

		active_proc = spdk_nvme_ctrlr_get_current_process(ctrlr);

	} else {

		active_proc = qpair->active_proc;

	}



	/* Only check timeouts if the current process has a timeout callback. */

	if (active_proc == NULL || active_proc->timeout_cb_fn == NULL) {

		return;

	}



	t02 = spdk_get_ticks();

	TAILQ_FOREACH_SAFE(tcp_req, &tqpair->outstanding_reqs, link, tmp) {

		assert(tcp_req->req != NULL);



		if (nvme_request_check_timeout(tcp_req->req, tcp_req->cid, active_proc, t02)) {

			/*

			 * The requests are in order, so as soon as one has not timed out,

			 * stop iterating.

			 */

			break;

		}

	}

}



int

nvme_tcp_qpair_process_completions(struct spdk_nvme_qpair *qpair, uint32_t max_completions)

{
@@ -1586,6 +1625,10 @@ nvme_tcp_qpair_process_completions(struct spdk_nvme_qpair *qpair, uint32_t max_c 


	} while (reaped < max_completions);



	if (spdk_unlikely(tqpair->qpair.ctrlr->timeout_enabled)) {

		nvme_tcp_qpair_check_timeout(qpair);

	}



	return reaped;

}