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/* * 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
/* * 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 */
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