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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/s390/include/asm/diag.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/s390/include/asm/diag.h')
-rw-r--r-- | arch/s390/include/asm/diag.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h new file mode 100644 index 00000000..7e91c580 --- /dev/null +++ b/arch/s390/include/asm/diag.h @@ -0,0 +1,52 @@ +/* + * 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 */ |