projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 0a87c5cf MH |
1 | /* |
| 2 | * s390 diagnose functions | |
| 3 | * | |
| 4 | * Copyright IBM Corp. 2007 | |
| 5 | * Author(s): Michael Holzheu <holzheu@de.ibm.com> | |
| 6 | */ | |
| 7 | ||
| 8 | #ifndef _ASM_S390_DIAG_H | |
| 9 | #define _ASM_S390_DIAG_H | |
| 10 | ||
| 1ec2772e MS |
11 | #include <linux/percpu.h> |
| 12 | ||
| 13 | enum diag_stat_enum { | |
| 14 | DIAG_STAT_X008, | |
| 15 | DIAG_STAT_X00C, | |
| 16 | DIAG_STAT_X010, | |
| 17 | DIAG_STAT_X014, | |
| 18 | DIAG_STAT_X044, | |
| 19 | DIAG_STAT_X064, | |
| 20 | DIAG_STAT_X09C, | |
| 21 | DIAG_STAT_X0DC, | |
| 22 | DIAG_STAT_X204, | |
| 23 | DIAG_STAT_X210, | |
| 24 | DIAG_STAT_X224, | |
| 25 | DIAG_STAT_X250, | |
| 26 | DIAG_STAT_X258, | |
| 27 | DIAG_STAT_X288, | |
| 28 | DIAG_STAT_X2C4, | |
| 29 | DIAG_STAT_X2FC, | |
| 30 | DIAG_STAT_X304, | |
| 31 | DIAG_STAT_X308, | |
| 32 | DIAG_STAT_X500, | |
| 33 | NR_DIAG_STAT | |
| 34 | }; | |
| 35 | ||
| b5a6b71b MS |
36 | void diag_stat_inc(enum diag_stat_enum nr); |
| 37 | void diag_stat_inc_norecursion(enum diag_stat_enum nr); | |
| 1ec2772e | 38 | |
| 0a87c5cf | 39 | /* |
| 83ace270 | 40 | * Diagnose 10: Release page range |
| 0a87c5cf | 41 | */ |
| 83ace270 MH |
42 | static inline void diag10_range(unsigned long start_pfn, unsigned long num_pfn) |
| 43 | { | |
| 44 | unsigned long start_addr, end_addr; | |
| 45 | ||
| 46 | start_addr = start_pfn << PAGE_SHIFT; | |
| 47 | end_addr = (start_pfn + num_pfn - 1) << PAGE_SHIFT; | |
| 48 | ||
| 1ec2772e | 49 | diag_stat_inc(DIAG_STAT_X010); |
| 83ace270 MH |
50 | asm volatile( |
| 51 | "0: diag %0,%1,0x10\n" | |
| 52 | "1:\n" | |
| 53 | EX_TABLE(0b, 1b) | |
| 54 | EX_TABLE(1b, 1b) | |
| 55 | : : "a" (start_addr), "a" (end_addr)); | |
| 56 | } | |
| 0a87c5cf MH |
57 | |
| 58 | /* | |
| 59 | * Diagnose 14: Input spool file manipulation | |
| 60 | */ | |
| 61 | extern int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode); | |
| 62 | ||
| 63 | /* | |
| 64 | * Diagnose 210: Get information about a virtual device | |
| 65 | */ | |
| 66 | struct diag210 { | |
| 67 | u16 vrdcdvno; /* device number (input) */ | |
| 68 | u16 vrdclen; /* data block length (input) */ | |
| 69 | u8 vrdcvcla; /* virtual device class (output) */ | |
| 70 | u8 vrdcvtyp; /* virtual device type (output) */ | |
| 71 | u8 vrdcvsta; /* virtual device status (output) */ | |
| 72 | u8 vrdcvfla; /* virtual device flags (output) */ | |
| 73 | u8 vrdcrccl; /* real device class (output) */ | |
| 74 | u8 vrdccrty; /* real device type (output) */ | |
| 75 | u8 vrdccrmd; /* real device model (output) */ | |
| 76 | u8 vrdccrft; /* real device feature (output) */ | |
| 77 | } __attribute__((packed, aligned(4))); | |
| 78 | ||
| 79 | extern int diag210(struct diag210 *addr); | |
| 80 | ||
| 81 | #endif /* _ASM_S390_DIAG_H */ |