| Message ID | 1604895845-2587-6-git-send-email-muneendra.kumar@broadcom.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | blkcg:Support to track FC storage blk io traffic | expand |
On 11/9/20 5:23 AM, Muneendra wrote: > From: Gaurav Srivastava <gaurav.srivastava@broadcom.com> > > This API will determine if VMID is enabled by the user or not. > > Signed-off-by: Gaurav Srivastava <gaurav.srivastava@broadcom.com> > Signed-off-by: James Smart <jsmart2021@gmail.com> > > --- > v4: > No change > > v3: > No change > > 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; > +} > Feels a bit weird, having this patch on its own; maybe merge it with the next one? But I'm not bothered either way. Reviewed-by: Hannes Reinecke <hare@suse.de> Cheers, Hannes
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; +}