diff options
Diffstat (limited to 'drivers/s390/block/dasd_eckd.h')
| -rw-r--r-- | drivers/s390/block/dasd_eckd.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h index 8cd4768edb94..bc5998068ddf 100644 --- a/drivers/s390/block/dasd_eckd.h +++ b/drivers/s390/block/dasd_eckd.h @@ -62,6 +62,8 @@ * Perform Subsystem Function / Sub-Orders */ #define PSF_SUBORDER_QHA 0x1C /* Query Host Access */ +#define PSF_SUBORDER_VSQ 0x52 /* Volume Storage Query */ +#define PSF_SUBORDER_LCQ 0x53 /* Logical Configuration Query */ /* * CUIR response condition codes @@ -368,6 +370,75 @@ struct dasd_rssd_messages { char messages[4087]; } __packed; +/* + * Read Subsystem Data - Volume Storage Query + */ +struct dasd_rssd_vsq { + struct { + __u8 tse:1; + __u8 space_not_available:1; + __u8 ese:1; + __u8 unused:5; + } __packed vol_info; + __u8 unused1; + __u16 extent_pool_id; + __u8 warn_cap_limit; + __u8 warn_cap_guaranteed; + __u16 unused2; + __u32 limit_capacity; + __u32 guaranteed_capacity; + __u32 space_allocated; + __u32 space_configured; + __u32 logical_capacity; +} __packed; + +/* + * Extent Pool Summary + */ +struct dasd_ext_pool_sum { + __u16 pool_id; + __u8 repo_warn_thrshld; + __u8 warn_thrshld; + struct { + __u8 type:1; /* 0 - CKD / 1 - FB */ + __u8 track_space_efficient:1; + __u8 extent_space_efficient:1; + __u8 standard_volume:1; + __u8 extent_size_valid:1; + __u8 capacity_at_warnlevel:1; + __u8 pool_oos:1; + __u8 unused0:1; + __u8 unused1; + } __packed flags; + struct { + __u8 reserved0:1; + __u8 size_1G:1; + __u8 reserved1:5; + __u8 size_16M:1; + } __packed extent_size; + __u8 unused; +} __packed; + +/* + * Read Subsystem Data-Response - Logical Configuration Query - Header + */ +struct dasd_rssd_lcq { + __u16 data_length; /* Length of data returned */ + __u16 pool_count; /* Count of extent pools returned - Max: 448 */ + struct { + __u8 pool_info_valid:1; /* Detailed Information valid */ + __u8 pool_id_volume:1; + __u8 pool_id_cec:1; + __u8 unused0:5; + __u8 unused1; + } __packed header_flags; + char sfi_type[6]; /* Storage Facility Image Type (EBCDIC) */ + char sfi_model[3]; /* Storage Facility Image Model (EBCDIC) */ + __u8 sfi_seq_num[10]; /* Storage Facility Image Sequence Number */ + __u8 reserved[7]; + struct dasd_ext_pool_sum ext_pool_sum[448]; +} __packed; + struct dasd_cuir_message { __u16 length; __u8 format; @@ -532,6 +603,8 @@ struct dasd_eckd_private { int uses_cdl; struct attrib_data_t attrib; /* e.g. cache operations */ struct dasd_rssd_features features; + struct dasd_rssd_vsq vsq; + struct dasd_ext_pool_sum eps; u32 real_cyl; /* alias managemnet */ |