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Commit 3cb01c57 authored by James Smart's avatar James Smart Committed by James Bottomley
Browse files

[SCSI] lpfc 8.3.41: Add first burst support to driver 



Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 71157c9e

drivers/scsi/lpfc/lpfc.h

+1 −0
Original line number Diff line number Diff line
@@ -421,6 +421,7 @@ struct lpfc_vport { 
	uint32_t cfg_enable_da_id;

	uint32_t cfg_max_scsicmpl_time;

	uint32_t cfg_tgt_queue_depth;

	uint32_t cfg_first_burst_size;



	uint32_t dev_loss_tmo_changed;

drivers/scsi/lpfc/lpfc_attr.c

+11 −0
Original line number Diff line number Diff line
@@ -3949,6 +3949,14 @@ LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3, 
LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,

		   "Use ADISC on rediscovery to authenticate FCP devices");



/*

# lpfc_first_burst_size: First burst size to use on the NPorts

# that support first burst.

# Value range is [0,65536]. Default value is 0.

*/

LPFC_VPORT_ATTR_RW(first_burst_size, 0, 0, 65536,

		   "First burst size for Targets that support first burst");



/*

# lpfc_max_scsicmpl_time: Use scsi command completion time to control I/O queue

# depth. Default value is 0. When the value of this parameter is zero the
@@ -4277,6 +4285,7 @@ struct device_attribute *lpfc_hba_attrs[] = { 
	&dev_attr_lpfc_devloss_tmo,

	&dev_attr_lpfc_fcp_class,

	&dev_attr_lpfc_use_adisc,

	&dev_attr_lpfc_first_burst_size,

	&dev_attr_lpfc_ack0,

	&dev_attr_lpfc_topology,

	&dev_attr_lpfc_scan_down,
@@ -4353,6 +4362,7 @@ struct device_attribute *lpfc_vport_attrs[] = { 
	&dev_attr_lpfc_restrict_login,

	&dev_attr_lpfc_fcp_class,

	&dev_attr_lpfc_use_adisc,

	&dev_attr_lpfc_first_burst_size,

	&dev_attr_lpfc_fdmi_on,

	&dev_attr_lpfc_max_luns,

	&dev_attr_nport_evt_cnt,
@@ -5332,6 +5342,7 @@ lpfc_get_vport_cfgparam(struct lpfc_vport *vport) 
	lpfc_restrict_login_init(vport, lpfc_restrict_login);

	lpfc_fcp_class_init(vport, lpfc_fcp_class);

	lpfc_use_adisc_init(vport, lpfc_use_adisc);

	lpfc_first_burst_size_init(vport, lpfc_first_burst_size);

	lpfc_max_scsicmpl_time_init(vport, lpfc_max_scsicmpl_time);

	lpfc_fdmi_on_init(vport, lpfc_fdmi_on);

	lpfc_discovery_threads_init(vport, lpfc_discovery_threads);

drivers/scsi/lpfc/lpfc_disc.h

+1 −0
Original line number Diff line number Diff line
@@ -154,6 +154,7 @@ struct lpfc_node_rrq { 
#define NLP_NODEV_REMOVE   0x08000000	/* Defer removal till discovery ends */

#define NLP_TARGET_REMOVE  0x10000000   /* Target remove in process */

#define NLP_SC_REQ         0x20000000	/* Target requires authentication */

#define NLP_FIRSTBURST     0x40000000	/* Target supports FirstBurst */

#define NLP_RPI_REGISTERED 0x80000000	/* nlp_rpi is valid */



/* ndlp usage management macros */

drivers/scsi/lpfc/lpfc_els.c

+2 −0
Original line number Diff line number Diff line
@@ -2122,6 +2122,8 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 
	}

	npr->estabImagePair = 1;

	npr->readXferRdyDis = 1;

	 if (vport->cfg_first_burst_size)

		npr->writeXferRdyDis = 1;



	/* For FCP support */

	npr->prliType = PRLI_FCP_TYPE;

drivers/scsi/lpfc/lpfc_nportdisc.c

+10 −2
Original line number Diff line number Diff line
@@ -690,11 +690,15 @@ lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 


	ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);

	ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;

	ndlp->nlp_flag &= ~NLP_FIRSTBURST;

	if (npr->prliType == PRLI_FCP_TYPE) {

		if (npr->initiatorFunc)

			ndlp->nlp_type |= NLP_FCP_INITIATOR;

		if (npr->targetFunc)

		if (npr->targetFunc) {

			ndlp->nlp_type |= NLP_FCP_TARGET;

			if (npr->writeXferRdyDis)

				ndlp->nlp_flag |= NLP_FIRSTBURST;

		}

		if (npr->Retry)

			ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;

	}
@@ -1676,12 +1680,16 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, 
	/* Check out PRLI rsp */

	ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);

	ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;

	ndlp->nlp_flag &= ~NLP_FIRSTBURST;

	if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) &&

	    (npr->prliType == PRLI_FCP_TYPE)) {

		if (npr->initiatorFunc)

			ndlp->nlp_type |= NLP_FCP_INITIATOR;

		if (npr->targetFunc)

		if (npr->targetFunc) {

			ndlp->nlp_type |= NLP_FCP_TARGET;

			if (npr->writeXferRdyDis)

				ndlp->nlp_flag |= NLP_FIRSTBURST;

		}

		if (npr->Retry)

			ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;

	}