-/*
+/*
* File...........: linux/drivers/s390/block/dasd_eckd.h
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
- * Horst Hummel <Horst.Hummel@de.ibm.com>
+ * Horst Hummel <Horst.Hummel@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
*
- * $Revision: 1.10 $
*/
#ifndef DASD_ECKD_H
#define DASD_ECKD_CCW_PSF 0x27
#define DASD_ECKD_CCW_RSSD 0x3e
#define DASD_ECKD_CCW_LOCATE_RECORD 0x47
+#define DASD_ECKD_CCW_SNSS 0x54
#define DASD_ECKD_CCW_DEFINE_EXTENT 0x63
#define DASD_ECKD_CCW_WRITE_MT 0x85
#define DASD_ECKD_CCW_READ_MT 0x86
#define DASD_ECKD_CCW_RESERVE 0xB4
/*
- *Perform Subsystem Function / Sub-Orders
+ * Perform Subsystem Function / Sub-Orders
*/
-#define PSF_ORDER_PRSSD 0x18
+#define PSF_ORDER_PRSSD 0x18
+#define PSF_ORDER_SSC 0x1D
/*****************************************************************************
* SECTION: Type Definitions
unsigned char reserved2:4;
unsigned char reserved3:8;
unsigned char defect_wr:1;
- unsigned char XRC_supported:1;
+ unsigned char XRC_supported:1;
unsigned char reserved4:1;
unsigned char striping:1;
unsigned char reserved5:4;
unsigned char HDA_manufacturer[3];
unsigned char HDA_location[2];
unsigned char HDA_seqno[12];
- __u16 ID;
+ __u8 ID;
+ __u8 unit_addr;
} __attribute__ ((packed)) ned1;
- struct {
+ union {
struct {
- unsigned char identifier:2;
- unsigned char token_id:1;
- unsigned char sno_valid:1;
- unsigned char subst_sno:1;
- unsigned char recNED:1;
- unsigned char emuNED:1;
- unsigned char reserved:1;
- } __attribute__ ((packed)) flags;
- __u8 descriptor;
- __u8 reserved[2];
- unsigned char dev_type[6];
- unsigned char dev_model[3];
- unsigned char DASD_manufacturer[3];
- unsigned char DASD_location[2];
- unsigned char DASD_seqno[12];
- __u16 ID;
+ struct {
+ unsigned char identifier:2;
+ unsigned char token_id:1;
+ unsigned char sno_valid:1;
+ unsigned char subst_sno:1;
+ unsigned char recNED:1;
+ unsigned char emuNED:1;
+ unsigned char reserved:1;
+ } __attribute__ ((packed)) flags;
+ __u8 descriptor;
+ __u8 reserved[2];
+ unsigned char dev_type[6];
+ unsigned char dev_model[3];
+ unsigned char DASD_manufacturer[3];
+ unsigned char DASD_location[2];
+ unsigned char DASD_seqno[12];
+ __u16 ID;
+ } __attribute__ ((packed)) ned;
+ struct {
+ unsigned char flags; /* byte 0 */
+ unsigned char res2[7]; /* byte 1- 7 */
+ unsigned char sua_flags; /* byte 8 */
+ __u8 base_unit_addr; /* byte 9 */
+ unsigned char res3[22]; /* byte 10-31 */
+ } __attribute__ ((packed)) sneq;
} __attribute__ ((packed)) ned2;
struct {
struct {
};
/*
- * Perform Subsystem Function - Prepare for Read Subsystem Data
+ * Perform Subsystem Function - Prepare for Read Subsystem Data
*/
struct dasd_psf_prssd_data {
unsigned char order;
unsigned char varies[9];
} __attribute__ ((packed));
+/*
+ * Perform Subsystem Function - Set Subsystem Characteristics
+ */
+struct dasd_psf_ssc_data {
+ unsigned char order;
+ unsigned char flags;
+ unsigned char cu_type[4];
+ unsigned char suborder;
+ unsigned char reserved[59];
+} __attribute__((packed));
+
#endif /* DASD_ECKD_H */