lpfc: add nvmet discovery_event op support (ab723121) · Commits · 戴 / test

This patch adds support for the nvmet discovery op. When the callback routine is called, the driver will call the routine to generate an RSCN to the port on the other end of the link. Signed-off-by:

Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by:

James Smart <jsmart2021@gmail.com> Reviewed-by:

Hannes Reinecke <hare@suse.com> Reviewed-by:

Arun Easi <aeasi@marvell.com> Signed-off-by:

Sagi Grimberg <sagi@grimberg.me> Signed-off-by:

Christoph Hellwig <hch@lst.de>

drivers/scsi/lpfc/lpfc_nvmet.c

+17 −0

Original line number	Diff line number	Diff line
		@@ -1139,6 +1139,22 @@ lpfc_nvmet_defer_rcv(struct nvmet_fc_target_port *tgtport,
		spin_unlock_irqrestore(&ctxp->ctxlock, iflag);
		}

		static void
		lpfc_nvmet_discovery_event(struct nvmet_fc_target_port *tgtport)
		{
		struct lpfc_nvmet_tgtport *tgtp;
		struct lpfc_hba *phba;
		uint32_t rc;

		tgtp = tgtport->private;
		phba = tgtp->phba;

		rc = lpfc_issue_els_rscn(phba->pport, 0);
		lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
		"6420 NVMET subsystem change: Notification %s\n",
		(rc) ? "Failed" : "Sent");
		}

		static struct nvmet_fc_target_template lpfc_tgttemplate = {
		.targetport_delete = lpfc_nvmet_targetport_delete,
		.xmt_ls_rsp = lpfc_nvmet_xmt_ls_rsp,
		@@ -1146,6 +1162,7 @@ static struct nvmet_fc_target_template lpfc_tgttemplate = {
		.fcp_abort = lpfc_nvmet_xmt_fcp_abort,
		.fcp_req_release = lpfc_nvmet_xmt_fcp_release,
		.defer_rcv = lpfc_nvmet_defer_rcv,
		.discovery_event = lpfc_nvmet_discovery_event,

		.max_hw_queues = 1,
		.max_sgl_segments = LPFC_NVMET_DEFAULT_SEGS,

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