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Commit d613b6a7 authored by James Smart's avatar James Smart Committed by Martin K. Petersen
Browse files

scsi: lpfc: NVME Target: bind to nvmet_fc api 



NVME Target: Tie in to NVME Fabrics nvmet_fc LLDD target api

Adds the routines to:
- register and deregister the FC port as a nvmet-fc targetport
- binding of nvme queues to adapter WQs
- receipt and passing of NVME LS's to transport, sending transport response
- receipt of NVME FCP CMD IUs, processing FCP target io data transmission
  commands; transmission of FCP io response
- Abort operations for tgt io exchanges

[mkp: fixed space at end of file warning]

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 8c258641

drivers/scsi/lpfc/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -31,4 +31,4 @@ 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_nvme.o
 
	lpfc_nvme.o lpfc_nvmet.o

drivers/scsi/lpfc/lpfc_crtn.h

+10 −0
Original line number Diff line number Diff line
@@ -363,6 +363,8 @@ void *lpfc_nvmet_buf_alloc(struct lpfc_hba *phba, int flags, 
void lpfc_nvmet_buf_free(struct lpfc_hba *phba, void *virtp, dma_addr_t dma);



void lpfc_in_buf_free(struct lpfc_hba *, struct lpfc_dmabuf *);

void lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp);



/* Function prototypes. */

const char* lpfc_info(struct Scsi_Host *);

int lpfc_scan_finished(struct Scsi_Host *, unsigned long);
@@ -536,6 +538,14 @@ int lpfc_nvme_register_port(struct lpfc_vport *vport, 
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);

int lpfc_nvmet_create_targetport(struct lpfc_hba *phba);

int lpfc_nvmet_update_targetport(struct lpfc_hba *phba);

void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba);

void lpfc_nvmet_unsol_ls_event(struct lpfc_hba *phba,

			struct lpfc_sli_ring *pring, struct lpfc_iocbq *piocb);

void lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba,

			struct lpfc_sli_ring *pring,

			struct rqb_dmabuf *nvmebuf, uint64_t isr_ts);

void lpfc_nvme_mod_param_dep(struct lpfc_hba *phba);

void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,

				struct lpfc_iocbq *cmdiocb,

drivers/scsi/lpfc/lpfc_ct.c

+1 −1
Original line number Diff line number Diff line
@@ -1436,7 +1436,7 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode, 
			if ((vport == phba->pport) && phba->nvmet_support) {

				CtReq->un.rff.fbits = (FC4_FEATURE_TARGET |

					FC4_FEATURE_NVME_DISC);

				/* todo: update targetport attributes */

				lpfc_nvmet_update_targetport(phba);

			} else {

				lpfc_nvme_update_localport(vport);

			}

drivers/scsi/lpfc/lpfc_els.c

+3 −2
Original line number Diff line number Diff line
@@ -2636,9 +2636,10 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, 


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

		    (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {

			if (!phba->nvmet_support)

			if (phba->nvmet_support)

				lpfc_nvmet_update_targetport(phba);

			else

				lpfc_nvme_update_localport(phba->pport);

			/* todo: tgt: update targetport attributes */

		}



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

drivers/scsi/lpfc/lpfc_hbadisc.c

+6 −4
Original line number Diff line number Diff line
@@ -911,9 +911,10 @@ lpfc_linkdown(struct lpfc_hba *phba) 


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

			    (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {

				if (!phba->nvmet_support)

				if (phba->nvmet_support)

					lpfc_nvmet_update_targetport(phba);

				else

					lpfc_nvme_update_localport(vports[i]);

				/* todo: tgt: update targetport attributes */

			}

		}

	}
@@ -3587,9 +3588,10 @@ lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) 


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

		    (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {

			if (!phba->nvmet_support)

			if (phba->nvmet_support)

				lpfc_nvmet_update_targetport(phba);

			else

				lpfc_nvme_update_localport(vport);

			/* todo: update targetport attributes */

		}

		goto out;

	}