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- /*
- * Copyright IBM Corp. 2006
- *
- * Author(s): Melissa Howland <melissah@us.ibm.com>
- */
- #ifndef _ASM_S390_APPLDATA_H
- #define _ASM_S390_APPLDATA_H
- #include <asm/diag.h>
- #include <asm/io.h>
- #define APPLDATA_START_INTERVAL_REC 0x80
- #define APPLDATA_STOP_REC 0x81
- #define APPLDATA_GEN_EVENT_REC 0x82
- #define APPLDATA_START_CONFIG_REC 0x83
- /*
- * Parameter list for DIAGNOSE X'DC'
- */
- struct appldata_parameter_list {
- u16 diag;
- u8 function;
- u8 parlist_length;
- u32 unused01;
- u16 reserved;
- u16 buffer_length;
- u32 unused02;
- u64 product_id_addr;
- u64 buffer_addr;
- } __attribute__ ((packed));
- struct appldata_product_id {
- char prod_nr[7]; /* product number */
- u16 prod_fn; /* product function */
- u8 record_nr; /* record number */
- u16 version_nr; /* version */
- u16 release_nr; /* release */
- u16 mod_lvl; /* modification level */
- } __attribute__ ((packed));
- static inline int appldata_asm(struct appldata_product_id *id,
- unsigned short fn, void *buffer,
- unsigned short length)
- {
- struct appldata_parameter_list parm_list;
- int ry;
- if (!MACHINE_IS_VM)
- return -EOPNOTSUPP;
- parm_list.diag = 0xdc;
- parm_list.function = fn;
- parm_list.parlist_length = sizeof(parm_list);
- parm_list.buffer_length = length;
- parm_list.product_id_addr = (unsigned long) id;
- parm_list.buffer_addr = virt_to_phys(buffer);
- diag_stat_inc(DIAG_STAT_X0DC);
- asm volatile(
- " diag %1,%0,0xdc"
- : "=d" (ry)
- : "d" (&parm_list), "m" (parm_list), "m" (*id)
- : "cc");
- return ry;
- }
- #endif /* _ASM_S390_APPLDATA_H */
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