diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_diag.h')
| -rw-r--r-- | drivers/s390/scsi/zfcp_diag.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/s390/scsi/zfcp_diag.h b/drivers/s390/scsi/zfcp_diag.h index a3eb21cc201d..2deebccda17d 100644 --- a/drivers/s390/scsi/zfcp_diag.h +++ b/drivers/s390/scsi/zfcp_diag.h @@ -40,6 +40,8 @@ struct zfcp_diag_header { /** * struct zfcp_diag_adapter - central storage for all diagnostics concerning an * adapter. + * @sysfs_established: flag showing that the associated sysfs-group was created + * during run of zfcp_adapter_enqueue(). * @port_data: data retrieved using exchange port data. * @port_data.header: header with metadata for the cache in @port_data.data. * @port_data.data: cached QTCB Bottom of command exchange port data. @@ -48,6 +50,8 @@ struct zfcp_diag_header { * @config_data.data: cached QTCB Bottom of command exchange config data. */ struct zfcp_diag_adapter { + u64 sysfs_established :1; + struct { struct zfcp_diag_header header; struct fsf_qtcb_bottom_port data; @@ -61,7 +65,21 @@ struct zfcp_diag_adapter { int zfcp_diag_adapter_setup(struct zfcp_adapter *const adapter); void zfcp_diag_adapter_free(struct zfcp_adapter *const adapter); +int zfcp_diag_sysfs_setup(struct zfcp_adapter *const adapter); +void zfcp_diag_sysfs_destroy(struct zfcp_adapter *const adapter); + void zfcp_diag_update_xdata(struct zfcp_diag_header *const hdr, const void *const data, const bool incomplete); +/** + * zfcp_diag_support_sfp() - Return %true if the @adapter supports reporting + * SFP Data. + * @adapter: adapter to test the availability of SFP Data reporting for. + */ +static inline bool +zfcp_diag_support_sfp(const struct zfcp_adapter *const adapter) +{ + return !!(adapter->adapter_features & FSF_FEATURE_REPORT_SFP_DATA); +} + #endif /* ZFCP_DIAG_H */ |