diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_def.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_def.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h index 527ba48eea5..d91173f326c 100644 --- a/drivers/s390/scsi/zfcp_def.h +++ b/drivers/s390/scsi/zfcp_def.h @@ -3,7 +3,7 @@ * * Global definitions for the zfcp device driver. * - * Copyright IBM Corporation 2002, 2010 + * Copyright IBM Corp. 2002, 2010 */ #ifndef ZFCP_DEF_H @@ -72,10 +72,12 @@ 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 #define ZFCP_STATUS_ADAPTER_HOST_CON_INIT 0x00000010 +#define ZFCP_STATUS_ADAPTER_SUSPENDED 0x00000040 #define ZFCP_STATUS_ADAPTER_ERP_PENDING 0x00000100 #define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200 #define ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED 0x00000400 @@ -84,10 +86,6 @@ struct zfcp_reqlist; #define ZFCP_STATUS_PORT_PHYS_OPEN 0x00000001 #define ZFCP_STATUS_PORT_LINK_TEST 0x00000002 -/* logical unit status */ -#define ZFCP_STATUS_LUN_SHARED 0x00000004 -#define ZFCP_STATUS_LUN_READONLY 0x00000008 - /* FSF request status (this does not have a common part) */ #define ZFCP_STATUS_FSFREQ_ERROR 0x00000008 #define ZFCP_STATUS_FSFREQ_CLEANUP 0x00000010 @@ -203,6 +201,7 @@ struct zfcp_port { struct zfcp_adapter *adapter; /* adapter used to access port */ struct list_head unit_list; /* head of logical unit list */ rwlock_t unit_list_lock; /* unit list lock */ + atomic_t units; /* zfcp_unit count */ atomic_t status; /* status of this remote port */ u64 wwnn; /* WWNN if known */ u64 wwpn; /* WWPN */ @@ -314,4 +313,10 @@ 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 */ |