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Diffstat (limited to 'drivers/s390/scsi/zfcp_def.h')
-rw-r--r--drivers/s390/scsi/zfcp_def.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 527ba48eea57..ed5d921e82cd 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -72,6 +72,7 @@ struct zfcp_reqlist;
#define ZFCP_STATUS_COMMON_NOESC 0x00200000
/* adapter status */
+#define ZFCP_STATUS_ADAPTER_MB_ACT 0x00000001
#define ZFCP_STATUS_ADAPTER_QDIOUP 0x00000002
#define ZFCP_STATUS_ADAPTER_SIOSL_ISSUED 0x00000004
#define ZFCP_STATUS_ADAPTER_XCONFIG_OK 0x00000008
@@ -314,4 +315,10 @@ struct zfcp_fsf_req {
void (*handler)(struct zfcp_fsf_req *);
};
+static inline
+int zfcp_adapter_multi_buffer_active(struct zfcp_adapter *adapter)
+{
+ return atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_MB_ACT;
+}
+
#endif /* ZFCP_DEF_H */