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Commit 166d7211 authored by James Smart's avatar James Smart Committed by Martin K. Petersen
Browse files

scsi: lpfc: Rework lpfc Kconfig for NVME options 



Reworked Kconfig so that lfpc only requires the scsi stack.
NVME Initiator and NVME Target support can be enabled if
the other NVMe subsystems have been enabled.

Signed-off-by: default avatarDick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: default avatarJames Smart <james.smart@broadcom.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 856984b7

drivers/scsi/Kconfig

+16 −3
Original line number Diff line number Diff line
@@ -1241,19 +1241,32 @@ config SCSI_LPFC 
	tristate "Emulex LightPulse Fibre Channel Support"

	depends on PCI && SCSI

	depends on SCSI_FC_ATTRS

	depends on NVME_FC && NVME_TARGET_FC

	select CRC_T10DIF

	help

	---help---

          This lpfc driver supports the Emulex LightPulse

          Family of Fibre Channel PCI host adapters.



config SCSI_LPFC_DEBUG_FS

	bool "Emulex LightPulse Fibre Channel debugfs Support"

	depends on SCSI_LPFC && DEBUG_FS

	help

	---help---

	  This makes debugging information from the lpfc driver

	  available via the debugfs filesystem.



config LPFC_NVME_INITIATOR

	bool "Emulex LightPulse Fibre Channel NVME Initiator Support"

	depends on SCSI_LPFC && NVME_FC

	---help---

	  This enables NVME Initiator support in the Emulex lpfc driver.



config LPFC_NVME_TARGET

	bool "Emulex LightPulse Fibre Channel NVME Initiator Support"

	depends on SCSI_LPFC && NVME_TARGET_FC

	---help---

	  This enables NVME Target support in the Emulex lpfc driver.

	  Target enablement must still be enabled on a per adapter

	  basis by module parameters.



config SCSI_SIM710

	tristate "Simple 53c710 SCSI support (Compaq, NCR machines)"

	depends on (EISA || MCA) && SCSI

drivers/scsi/lpfc/lpfc_nvme.c

+15 −3
Original line number Diff line number Diff line
@@ -2127,11 +2127,12 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd) 
int

lpfc_nvme_create_localport(struct lpfc_vport *vport)

{

	int ret = 0;

	struct lpfc_hba  *phba = vport->phba;

	struct nvme_fc_port_info nfcp_info;

	struct nvme_fc_local_port *localport;

	struct lpfc_nvme_lport *lport;

	int len, ret = 0;

	int len;



	/* Initialize this localport instance.  The vport wwn usage ensures

	 * that NPIV is accounted for.
@@ -2148,8 +2149,12 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) 
	/* localport is allocated from the stack, but the registration

	 * call allocates heap memory as well as the private area.

	 */

#ifdef CONFIG_LPFC_NVME_INITIATOR

	ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template,

					 &vport->phba->pcidev->dev, &localport);

#else

	ret = -ENOMEM;

#endif

	if (!ret) {

		lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_NVME_DISC,

				 "6005 Successfully registered local "
@@ -2185,6 +2190,7 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) 
void

lpfc_nvme_destroy_localport(struct lpfc_vport *vport)

{

#ifdef CONFIG_LPFC_NVME_INITIATOR

	struct nvme_fc_local_port *localport;

	struct lpfc_nvme_lport *lport;

	struct lpfc_nvme_rport *rport = NULL, *rport_next = NULL;
@@ -2200,7 +2206,6 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) 
	lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME,

			 "6011 Destroying NVME localport %p\n",

			 localport);



	list_for_each_entry_safe(rport, rport_next, &lport->rport_list, list) {

		/* The last node ref has to get released now before the rport

		 * private memory area is released by the transport.
@@ -2214,6 +2219,7 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) 
					 "6008 rport fail destroy %x\n", ret);

		wait_for_completion_timeout(&rport->rport_unreg_done, 5);

	}



	/* lport's rport list is clear.  Unregister

	 * lport and release resources.

	 */
@@ -2237,6 +2243,7 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) 
				 "Failed, status x%x\n",

				 ret);

	}

#endif

}



void
@@ -2267,6 +2274,7 @@ lpfc_nvme_update_localport(struct lpfc_vport *vport) 
int

lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)

{

#ifdef CONFIG_LPFC_NVME_INITIATOR

	int ret = 0;

	struct nvme_fc_local_port *localport;

	struct lpfc_nvme_lport *lport;
@@ -2340,7 +2348,6 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 
			rpinfo.port_role |= FC_PORT_ROLE_NVME_INITIATOR;

		rpinfo.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);

		rpinfo.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);



		ret = nvme_fc_register_remoteport(localport, &rpinfo,

						  &remote_port);

		if (!ret) {
@@ -2376,6 +2383,9 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 
				 ndlp->nlp_type, ndlp->nlp_DID, ndlp);

	}

	return ret;

#else

	return 0;

#endif

}



/* lpfc_nvme_unregister_port - unbind the DID and port_role from this rport.
@@ -2393,6 +2403,7 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 
void

lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)

{

#ifdef CONFIG_LPFC_NVME_INITIATOR

	int ret;

	struct nvme_fc_local_port *localport;

	struct lpfc_nvme_lport *lport;
@@ -2450,6 +2461,7 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) 
	return;



 input_err:

#endif

	lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC,

			 "6168: State error: lport %p, rport%p FCID x%06x\n",

			 vport->localport, ndlp->rport, ndlp->nlp_DID);

drivers/scsi/lpfc/lpfc_nvmet.c

+10 −0
Original line number Diff line number Diff line
@@ -671,9 +671,13 @@ lpfc_nvmet_create_targetport(struct lpfc_hba *phba) 
	lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP |

					   NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED;



#ifdef CONFIG_LPFC_NVME_TARGET

	error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate,

					     &phba->pcidev->dev,

					     &phba->targetport);

#else

	error = -ENOMEM;

#endif

	if (error) {

		lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC,

				"6025 Cannot register NVME targetport "
@@ -752,6 +756,7 @@ lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, 
void

lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba)

{

#ifdef CONFIG_LPFC_NVME_TARGET

	struct lpfc_nvmet_tgtport *tgtp;



	if (phba->nvmet_support == 0)
@@ -763,6 +768,7 @@ lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) 
		wait_for_completion_timeout(&tgtp->tport_unreg_done, 5);

	}

	phba->targetport = NULL;

#endif

}



/**
@@ -782,6 +788,7 @@ static void 
lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,

			   struct hbq_dmabuf *nvmebuf)

{

#ifdef CONFIG_LPFC_NVME_TARGET

	struct lpfc_nvmet_tgtport *tgtp;

	struct fc_frame_header *fc_hdr;

	struct lpfc_nvmet_rcv_ctx *ctxp;
@@ -862,6 +869,7 @@ lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, 


	atomic_inc(&tgtp->xmt_ls_abort);

	lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid);

#endif

}



/**
@@ -883,6 +891,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, 
			    struct rqb_dmabuf *nvmebuf,

			    uint64_t isr_timestamp)

{

#ifdef CONFIG_LPFC_NVME_TARGET

	struct lpfc_nvmet_rcv_ctx *ctxp;

	struct lpfc_nvmet_tgtport *tgtp;

	struct fc_frame_header *fc_hdr;
@@ -988,6 +997,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, 
		/* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */

		lpfc_nvmet_rq_post(phba, NULL, &nvmebuf->hbuf);

	}

#endif

}



/**