Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / drivers / s390 / scsi / zfcp_def.h

diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 527ba48..ed5d921 100644 (file)
--- 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 */