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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/io.h>
#ifndef CONFIG_64BIT
#define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */
#define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */
#define APPLDATA_GEN_EVENT_REC 0x02
#define APPLDATA_START_CONFIG_REC 0x03
/*
* Parameter list for DIAGNOSE X'DC'
*/
struct appldata_parameter_list {
u16 diag; /* The DIAGNOSE code X'00DC' */
u8 function; /* The function code for the DIAGNOSE */
u8 parlist_length; /* Length of the parameter list */
u32 product_id_addr; /* Address of the 16-byte product ID */
u16 reserved;
u16 buffer_length; /* Length of the application data buffer */
u32 buffer_addr; /* Address of the application data buffer */
} __attribute__ ((packed));
#else /* CONFIG_64BIT */
#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));
#endif /* CONFIG_64BIT */
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);
asm volatile(
" diag %1,%0,0xdc"
: "=d" (ry)
: "d" (&parm_list), "m" (parm_list), "m" (*id)
: "cc");
return ry;
}
#endif /* _ASM_S390_APPLDATA_H */