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Commit 01649561 authored by James Smart's avatar James Smart Committed by Martin K. Petersen
Browse files

scsi: lpfc: NVME Initiator: bind to nvme_fc api 



NVME Initiator: Tie in to NVME Fabrics nvme_fc LLDD initiator api

Adds the routines to:
- register and deregister the FC port as a nvme-fc initiator localport
- register and deregister remote FC ports as a nvme-fc remoteport
- binding of nvme queues to adapter WQs
- send/perform NVME LS's
- send/perform NVME FCP initiator io operations

Signed-off-by: default avatarDick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: default avatarJames Smart <james.smart@broadcom.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent a0f2d3ef

drivers/scsi/lpfc/Makefile

+4 −3
Original line number Diff line number Diff line
@@ -28,6 +28,7 @@ endif 


obj-$(CONFIG_SCSI_LPFC) := lpfc.o



lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o	\

	lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o lpfc_scsi.o lpfc_attr.o \

	lpfc_vport.o lpfc_debugfs.o lpfc_bsg.o
 
lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o \

	lpfc_hbadisc.o	lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o   \

	lpfc_scsi.o lpfc_attr.o lpfc_vport.o lpfc_debugfs.o lpfc_bsg.o \

	lpfc_nvme.o

drivers/scsi/lpfc/lpfc.h

+5 −0
Original line number Diff line number Diff line
@@ -123,6 +123,11 @@ struct perf_prof { 
	uint16_t wqidx[40];

};



/*

 * Provide for FC4 TYPE x28 - NVME.  The

 * bit mask for FCP and NVME is 0x8 identically

 * because they are 32 bit positions distance.

 */

#define LPFC_FC4_TYPE_BITMASK	0x00000100



/* Provide DMA memory definitions the driver uses per port instance. */

drivers/scsi/lpfc/lpfc_crtn.h

+10 −0
Original line number Diff line number Diff line
@@ -518,4 +518,14 @@ int lpfc_sli4_dump_page_a0(struct lpfc_hba *phba, struct lpfcMboxq *mbox); 
void lpfc_mbx_cmpl_rdp_page_a0(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb);



/* NVME interfaces. */

void lpfc_nvme_unregister_port(struct lpfc_vport *vport,

			struct lpfc_nodelist *ndlp);

int lpfc_nvme_register_port(struct lpfc_vport *vport,

			struct lpfc_nodelist *ndlp);

int lpfc_nvme_create_localport(struct lpfc_vport *vport);

void lpfc_nvme_destroy_localport(struct lpfc_vport *vport);

void lpfc_nvme_update_localport(struct lpfc_vport *vport);

void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);

void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,

				struct lpfc_iocbq *cmdiocb,

				struct lpfc_wcqe_complete *abts_cmpl);

drivers/scsi/lpfc/lpfc_ct.c

+1 −1
Original line number Diff line number Diff line
@@ -1412,7 +1412,7 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, 
		if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||

		     (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&

		    (context == FC_TYPE_NVME)) {

			/* todo: init: revise localport nvme attributes */

			lpfc_nvme_update_localport(vport);

			CtReq->un.rff.type_code = context;



		} else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||

drivers/scsi/lpfc/lpfc_els.c

+3 −1
Original line number Diff line number Diff line
@@ -2618,7 +2618,9 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 
		!(vport->fc_flag & FC_PT2PT_PLOGI)) {

		phba->pport->fc_myDID = 0;



		/* todo: init: revise localport nvme attributes */

		if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||

		    (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))

			lpfc_nvme_update_localport(phba->pport);



		mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);

		if (mbox) {