Release 4.7 arch/s390/include/asm/diag.h

/*
 * s390 diagnose functions
 *
 * Copyright IBM Corp. 2007
 * Author(s): Michael Holzheu <holzheu@de.ibm.com>
 */

#ifndef _ASM_S390_DIAG_H

#define _ASM_S390_DIAG_H

#include <linux/percpu.h>


enum diag_stat_enum {
	
DIAG_STAT_X008,
	
DIAG_STAT_X00C,
	
DIAG_STAT_X010,
	
DIAG_STAT_X014,
	
DIAG_STAT_X044,
	
DIAG_STAT_X064,
	
DIAG_STAT_X09C,
	
DIAG_STAT_X0DC,
	
DIAG_STAT_X204,
	
DIAG_STAT_X210,
	
DIAG_STAT_X224,
	
DIAG_STAT_X250,
	
DIAG_STAT_X258,
	
DIAG_STAT_X288,
	
DIAG_STAT_X2C4,
	
DIAG_STAT_X2FC,
	
DIAG_STAT_X304,
	
DIAG_STAT_X308,
	
DIAG_STAT_X500,
	
NR_DIAG_STAT
};

void diag_stat_inc(enum diag_stat_enum nr);
void diag_stat_inc_norecursion(enum diag_stat_enum nr);

/*
 * 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;

	diag_stat_inc(DIAG_STAT_X010);
	asm volatile(
                "0:     diag    %0,%1,0x10\n"
                "1:\n"
                EX_TABLE(0b, 1b)
                EX_TABLE(1b, 1b)
                : : "a" (start_addr), "a" (end_addr));
}

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michael holzheu
michael holzheu
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martin schwidefsky
martin schwidefsky
5
10.64%
1
33.33%
Total
47
100.00%
3
100.00%

/*
 * 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 */
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michael holzheu
michael holzheu
138
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martin schwidefsky
68
33.01%
2
50.00%
Total
206
100.00%
4
100.00%
  
Directory: arch/s390/include/asm

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