diff options
Diffstat (limited to 'drivers/s390/block/dasd_eckd.h')
| -rw-r--r-- | drivers/s390/block/dasd_eckd.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h index a91b265441cc..f9299bd184ba 100644 --- a/drivers/s390/block/dasd_eckd.h +++ b/drivers/s390/block/dasd_eckd.h @@ -13,6 +13,7 @@ /***************************************************************************** * SECTION: CCW Definitions ****************************************************************************/ +#define DASD_ECKD_CCW_NOP 0x03 #define DASD_ECKD_CCW_WRITE 0x05 #define DASD_ECKD_CCW_READ 0x06 #define DASD_ECKD_CCW_WRITE_HOME_ADDRESS 0x09 @@ -66,10 +67,16 @@ * Perform Subsystem Function / Sub-Orders */ #define PSF_SUBORDER_QHA 0x1C /* Query Host Access */ +#define PSF_SUBORDER_PPRCEQ 0x50 /* PPRC Extended Query */ #define PSF_SUBORDER_VSQ 0x52 /* Volume Storage Query */ #define PSF_SUBORDER_LCQ 0x53 /* Logical Configuration Query */ /* + * PPRC Extended Query Scopes + */ +#define PPRCEQ_SCOPE_4 0x04 /* Scope 4 for PPRC Extended Query */ + +/* * CUIR response condition codes */ #define PSF_CUIR_INVALID 0x00 @@ -261,7 +268,7 @@ struct dasd_eckd_characteristics { unsigned char reserved3:8; unsigned char defect_wr:1; unsigned char XRC_supported:1; - unsigned char reserved4:1; + unsigned char PPRC_enabled:1; unsigned char striping:1; unsigned char reserved5:4; unsigned char cfw:1; |