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path: root/drivers/scsi/lpfc/lpfc_nvme.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_nvme.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_nvme.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index cb1e82b90719..278ae00dff83 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -1114,12 +1114,12 @@ lpfc_nvme_prep_io_dma(struct lpfc_vport *vport,
first_data_sgl = sgl;
lpfc_ncmd->seg_cnt = nCmd->sg_cnt;
- if (lpfc_ncmd->seg_cnt > phba->cfg_sg_seg_cnt) {
+ if (lpfc_ncmd->seg_cnt > phba->cfg_nvme_seg_cnt) {
lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR,
"6058 Too many sg segments from "
"NVME Transport. Max %d, "
"nvmeIO sg_cnt %d\n",
- phba->cfg_sg_seg_cnt,
+ phba->cfg_nvme_seg_cnt,
lpfc_ncmd->seg_cnt);
lpfc_ncmd->seg_cnt = 0;
return 1;
@@ -2158,8 +2158,18 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport)
nfcp_info.node_name = wwn_to_u64(vport->fc_nodename.u.wwn);
nfcp_info.port_name = wwn_to_u64(vport->fc_portname.u.wwn);
- /* For now need + 1 to get around NVME transport logic */
- lpfc_nvme_template.max_sgl_segments = phba->cfg_sg_seg_cnt + 1;
+ /* Limit to LPFC_MAX_NVME_SEG_CNT.
+ * For now need + 1 to get around NVME transport logic.
+ */
+ if (phba->cfg_sg_seg_cnt > LPFC_MAX_NVME_SEG_CNT) {
+ lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_INIT,
+ "6300 Reducing sg segment cnt to %d\n",
+ LPFC_MAX_NVME_SEG_CNT);
+ phba->cfg_nvme_seg_cnt = LPFC_MAX_NVME_SEG_CNT;
+ } else {
+ phba->cfg_nvme_seg_cnt = phba->cfg_sg_seg_cnt;
+ }
+ lpfc_nvme_template.max_sgl_segments = phba->cfg_nvme_seg_cnt + 1;
lpfc_nvme_template.max_hw_queues = phba->cfg_nvme_io_channel;
/* localport is allocated from the stack, but the registration