linux-kernel - [PATCH 4.19 083/321] scsi: lpfc: Enable Management features for IF

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Date:   Tue,  3 Dec 2019 23:32:29 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dick Kennedy <dick.kennedy@...adcom.com>,
        James Smart <jsmart2021@...il.com>,
        "Ewan D. Milne" <emilne@...hat.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 083/321] scsi: lpfc: Enable Management features for IF_TYPE=6

From: James Smart <jsmart2021@...il.com>

[ Upstream commit 719162bd5bb968203397b9b1d0dd30a9797bbd09 ]

Addition of support for if_type=6 missed several checks for interface type,
resulting in the failure of several key management features such as
firmware dump and loopback testing.

Correct the checks on the if_type so that both SLI4 IF_TYPE's 2 and 6 are
supported.

Signed-off-by: Dick Kennedy <dick.kennedy@...adcom.com>
Signed-off-by: James Smart <jsmart2021@...il.com>
Reviewed-by: Ewan D. Milne <emilne@...hat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/lpfc/lpfc_attr.c    | 4 ++--
 drivers/scsi/lpfc/lpfc_bsg.c     | 6 +++---
 drivers/scsi/lpfc/lpfc_els.c     | 2 +-
 drivers/scsi/lpfc/lpfc_hbadisc.c | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 55cd96e2469c6..3f69a5e4e470a 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1332,7 +1332,7 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode)
 		return -EACCES;
 
 	if ((phba->sli_rev < LPFC_SLI_REV4) ||
-	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	    (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 	     LPFC_SLI_INTF_IF_TYPE_2))
 		return -EPERM;
 
@@ -4264,7 +4264,7 @@ lpfc_link_speed_store(struct device *dev, struct device_attribute *attr,
 	uint32_t prev_val, if_type;
 
 	if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf);
-	if (if_type == LPFC_SLI_INTF_IF_TYPE_2 &&
+	if (if_type >= LPFC_SLI_INTF_IF_TYPE_2 &&
 	    phba->hba_flag & HBA_FORCED_LINK_SPEED)
 		return -EPERM;
 
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index 90745feca8080..99aea52e584b0 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -2221,7 +2221,7 @@ lpfc_bsg_diag_loopback_mode(struct bsg_job *job)
 
 	if (phba->sli_rev < LPFC_SLI_REV4)
 		rc = lpfc_sli3_bsg_diag_loopback_mode(phba, job);
-	else if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) ==
+	else if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) >=
 		 LPFC_SLI_INTF_IF_TYPE_2)
 		rc = lpfc_sli4_bsg_diag_loopback_mode(phba, job);
 	else
@@ -2261,7 +2261,7 @@ lpfc_sli4_bsg_diag_mode_end(struct bsg_job *job)
 
 	if (phba->sli_rev < LPFC_SLI_REV4)
 		return -ENODEV;
-	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 	    LPFC_SLI_INTF_IF_TYPE_2)
 		return -ENODEV;
 
@@ -2353,7 +2353,7 @@ lpfc_sli4_bsg_link_diag_test(struct bsg_job *job)
 		rc = -ENODEV;
 		goto job_error;
 	}
-	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	if (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 	    LPFC_SLI_INTF_IF_TYPE_2) {
 		rc = -ENODEV;
 		goto job_error;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index ea2aa5f55ca44..4f4d1b3b3bbc4 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -5559,7 +5559,7 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
 	struct ls_rjt stat;
 
 	if (phba->sli_rev < LPFC_SLI_REV4 ||
-	    bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
+	    bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) <
 						LPFC_SLI_INTF_IF_TYPE_2) {
 		rjt_err = LSRJT_UNABLE_TPC;
 		rjt_expl = LSEXP_REQ_UNSUPPORTED;
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 68f223882d96b..b36b3da323a0a 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -4780,7 +4780,7 @@ lpfc_unreg_rpi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 				if (phba->sli_rev == LPFC_SLI_REV4 &&
 				    (!(vport->load_flag & FC_UNLOADING)) &&
 				    (bf_get(lpfc_sli_intf_if_type,
-				     &phba->sli4_hba.sli_intf) ==
+				     &phba->sli4_hba.sli_intf) >=
 				      LPFC_SLI_INTF_IF_TYPE_2) &&
 				    (kref_read(&ndlp->kref) > 0)) {
 					mbox->context1 = lpfc_nlp_get(ndlp);
-- 
2.20.1