| /* |
| * 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 */ |
