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scsi: lpfc: Add 256 Gb link speed support

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Update routines to support 256 Gb link speed for LPe37000/LPe38000
adapters. 256 Gb speeds can be seen on trunk links.

Link: https://lore.kernel.org/r/20210722221721.74388-5-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart 2021-07-22 15:17:19 -07:00 • committed by Martin K. Petersen
parent f6c5e6c456
commit bfc477854a
6 changed files with 26 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/scsi/lpfc/lpfc_attr.c
View file

@ -6745,6 +6745,9 @@ lpfc_get_host_speed(struct Scsi_Host *shost)
case LPFC_LINK_SPEED_128GHZ:
fc_host_speed(shost) = FC_PORTSPEED_128GBIT;
break;
case LPFC_LINK_SPEED_256GHZ:
fc_host_speed(shost) = FC_PORTSPEED_256GBIT;
break;
default:
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
break;

5
drivers/scsi/lpfc/lpfc_ct.c
View file

@ -2846,6 +2846,8 @@ lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
ae->un.AttrInt = 0;
if (!(phba->hba_flag & HBA_FCOE_MODE)) {
if (phba->lmt & LMT_256Gb)
ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
if (phba->lmt & LMT_128Gb)
ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
if (phba->lmt & LMT_64Gb)
@ -2927,6 +2929,9 @@ lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
case LPFC_LINK_SPEED_128GHZ:
ae->un.AttrInt = HBA_PORTSPEED_128GFC;
break;
case LPFC_LINK_SPEED_256GHZ:
ae->un.AttrInt = HBA_PORTSPEED_256GFC;
break;
default:
ae->un.AttrInt = HBA_PORTSPEED_UNKNOWN;
break;

8
drivers/scsi/lpfc/lpfc_els.c
View file

@ -6105,6 +6105,12 @@ lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, struct lpfc_hba *phba)
case LPFC_LINK_SPEED_64GHZ:
rdp_speed = RDP_PS_64GB;
break;
case LPFC_LINK_SPEED_128GHZ:
rdp_speed = RDP_PS_128GB;
break;
case LPFC_LINK_SPEED_256GHZ:
rdp_speed = RDP_PS_256GB;
break;
default:
rdp_speed = RDP_PS_UNKNOWN;
break;
@ -6112,6 +6118,8 @@ lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, struct lpfc_hba *phba)
desc->info.port_speed.speed = cpu_to_be16(rdp_speed);
if (phba->lmt & LMT_256Gb)
rdp_cap |= RDP_PS_256GB;
if (phba->lmt & LMT_128Gb)
rdp_cap |= RDP_PS_128GB;
if (phba->lmt & LMT_64Gb)

1
drivers/scsi/lpfc/lpfc_hbadisc.c
View file

@ -3331,6 +3331,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
case LPFC_LINK_SPEED_32GHZ:
case LPFC_LINK_SPEED_64GHZ:
case LPFC_LINK_SPEED_128GHZ:
case LPFC_LINK_SPEED_256GHZ:
break;
default:
phba->fc_linkspeed = LPFC_LINK_SPEED_UNKNOWN;

5
drivers/scsi/lpfc/lpfc_init.c
View file

@ -4679,6 +4679,8 @@ static void lpfc_host_supported_speeds_set(struct Scsi_Host *shost)
if (phba->hba_flag & HBA_FCOE_MODE)
return;
if (phba->lmt & LMT_256Gb)
fc_host_supported_speeds(shost) |= FC_PORTSPEED_256GBIT;
if (phba->lmt & LMT_128Gb)
fc_host_supported_speeds(shost) |= FC_PORTSPEED_128GBIT;
if (phba->lmt & LMT_64Gb)
@ -5087,6 +5089,9 @@ lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
case LPFC_FC_LA_SPEED_128G:
port_speed = 128000;
break;
case LPFC_FC_LA_SPEED_256G:
port_speed = 256000;
break;
default:
port_speed = 0;
}

4
drivers/scsi/lpfc/lpfc_scsi.h
View file

@ -142,6 +142,10 @@ struct lpfc_scsicmd_bkt {
#define FC_PORTSPEED_128GBIT 0x2000
#endif
#ifndef FC_PORTSPEED_256GBIT
#define FC_PORTSPEED_256GBIT 0x4000
#endif
#define TXRDY_PAYLOAD_LEN 12
/* For sysfs/debugfs tmp string max len */