From: Gaurav Srivastava This API will determine if VMID is enabled by the user or not. Signed-off-by: Gaurav Srivastava Signed-off-by: James Smart --- v2: Ported the patch on top of 5.10/scsi-queue --- drivers/scsi/lpfc/lpfc.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 8f0062d2b891..a62e985aa180 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1506,3 +1506,27 @@ static const char *routine(enum enum_name table_key) \ } \ return name; \ } + +/** + * lpfc_is_vmid_enabled - returns if VMID is enabled for either switch types + * @phba: Pointer to HBA context object. + * + * Relationship between the enable, target support and if vmid tag is required + * for the particular combination + * --------------------------------------------------- + * Switch Enable Flag Target Support VMID Needed + * --------------------------------------------------- + * App Id 0 NA N + * App Id 1 0 N + * App Id 1 1 Y + * Pr Tag 0 NA N + * Pr Tag 1 0 N + * Pr Tag 1 1 Y + * Pr Tag 2 * Y + --------------------------------------------------- + * + **/ +static inline int lpfc_is_vmid_enabled(struct lpfc_hba *phba) +{ + return phba->cfg_vmid_app_header || phba->cfg_vmid_priority_tagging; +} -- 2.26.2