/*
* s390 diagnose functions
*
* Copyright IBM Corp. 2007
* Author(s): Michael Holzheu <[email protected]>
*/

#ifndef _ASM_S390_DIAG_H
#define _ASM_S390_DIAG_H

/*
* Diagnose 10: Release page range
*/
static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn)
{
unsigned long start_addr, end_addr;

start_addr = start_pfn << PAGE_SHIFT;
end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT;

asm volatile(
"0: diag %0,%1,0x10\n"
"1:\n"
EX_TABLE(0b, 1b)
EX_TABLE(1b, 1b)
: : "a" (start_addr), "a" (end_addr));
}

/*
* Diagnose 14: Input spool file manipulation
*/
extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode);

/*
* Diagnose 210: Get information about a virtual device
*/
struct diag210 {
u16 vrdcdvno; /* device number (input) */
u16 vrdclen; /* data block length (input) */
u8 vrdcvcla; /* virtual device class (output) */
u8 vrdcvtyp; /* virtual device type (output) */
u8 vrdcvsta; /* virtual device status (output) */
u8 vrdcvfla; /* virtual device flags (output) */
u8 vrdcrccl; /* real device class (output) */
u8 vrdccrty; /* real device type (output) */
u8 vrdccrmd; /* real device model (output) */
u8 vrdccrft; /* real device feature (output) */
} __attribute__((packed, aligned(4)));

extern int diag210(struct diag210 *addr);

#endif /* _ASM_S390_DIAG_H */