diff options
Diffstat (limited to 'drivers/scsi/ipr.h')
| -rw-r--r-- | drivers/scsi/ipr.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index f7fa8cd2ecad..c9cc40e5db24 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -302,6 +302,10 @@ struct ipr_config_table_entry { #define IPR_SUBTYPE_GENERIC_SCSI 1 #define IPR_SUBTYPE_VOLUME_SET 2 +#define IPR_QUEUEING_MODEL(res) ((((res)->cfgte.flags) & 0x70) >> 4) +#define IPR_QUEUE_FROZEN_MODEL 0 +#define IPR_QUEUE_NACA_MODEL 1 + struct ipr_res_addr res_addr; __be32 res_handle; __be32 reserved4[2]; @@ -1294,6 +1298,20 @@ static inline int ipr_is_gscsi(struct ipr_resource_entry *res) } /** + * ipr_is_naca_model - Determine if a resource is using NACA queueing model + * @res: resource entry struct + * + * Return value: + * 1 if NACA queueing model / 0 if not NACA queueing model + **/ +static inline int ipr_is_naca_model(struct ipr_resource_entry *res) +{ + if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL) + return 1; + return 0; +} + +/** * ipr_is_device - Determine if resource address is that of a device * @res_addr: resource address struct * |