| Gerald Schaefer | 1f38d61 | 2006-09-20 15:59:26 +0200 | [diff] [blame] | 1 | /* |
| Heiko Carstens | a53c8fa | 2012-07-20 11:15:04 +0200 | [diff] [blame] | 2 | * Copyright IBM Corp. 2006 |
| Gerald Schaefer | 1f38d61 | 2006-09-20 15:59:26 +0200 | [diff] [blame] | 3 | * |
| 4 | * Author(s): Melissa Howland <melissah@us.ibm.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef _ASM_S390_APPLDATA_H |
| 8 | #define _ASM_S390_APPLDATA_H |
| 9 | |
| 10 | #include <asm/io.h> |
| 11 | |
| Gerald Schaefer | 1f38d61 | 2006-09-20 15:59:26 +0200 | [diff] [blame] | 12 | #define APPLDATA_START_INTERVAL_REC 0x80 |
| 13 | #define APPLDATA_STOP_REC 0x81 |
| 14 | #define APPLDATA_GEN_EVENT_REC 0x82 |
| 15 | #define APPLDATA_START_CONFIG_REC 0x83 |
| 16 | |
| 17 | /* |
| 18 | * Parameter list for DIAGNOSE X'DC' |
| 19 | */ |
| 20 | struct appldata_parameter_list { |
| 21 | u16 diag; |
| 22 | u8 function; |
| 23 | u8 parlist_length; |
| 24 | u32 unused01; |
| 25 | u16 reserved; |
| 26 | u16 buffer_length; |
| 27 | u32 unused02; |
| 28 | u64 product_id_addr; |
| 29 | u64 buffer_addr; |
| 30 | } __attribute__ ((packed)); |
| 31 | |
| Gerald Schaefer | 1f38d61 | 2006-09-20 15:59:26 +0200 | [diff] [blame] | 32 | struct appldata_product_id { |
| 33 | char prod_nr[7]; /* product number */ |
| 34 | u16 prod_fn; /* product function */ |
| 35 | u8 record_nr; /* record number */ |
| 36 | u16 version_nr; /* version */ |
| 37 | u16 release_nr; /* release */ |
| 38 | u16 mod_lvl; /* modification level */ |
| 39 | } __attribute__ ((packed)); |
| 40 | |
| 41 | static inline int appldata_asm(struct appldata_product_id *id, |
| 42 | unsigned short fn, void *buffer, |
| 43 | unsigned short length) |
| 44 | { |
| 45 | struct appldata_parameter_list parm_list; |
| 46 | int ry; |
| 47 | |
| 48 | if (!MACHINE_IS_VM) |
| Heiko Carstens | a11b2ef | 2012-09-06 16:53:44 +0200 | [diff] [blame] | 49 | return -EOPNOTSUPP; |
| Gerald Schaefer | 1f38d61 | 2006-09-20 15:59:26 +0200 | [diff] [blame] | 50 | parm_list.diag = 0xdc; |
| 51 | parm_list.function = fn; |
| 52 | parm_list.parlist_length = sizeof(parm_list); |
| 53 | parm_list.buffer_length = length; |
| 54 | parm_list.product_id_addr = (unsigned long) id; |
| 55 | parm_list.buffer_addr = virt_to_phys(buffer); |
| 56 | asm volatile( |
| Martin Schwidefsky | 94c12cc | 2006-09-28 16:56:43 +0200 | [diff] [blame] | 57 | " diag %1,%0,0xdc" |
| Gerald Schaefer | 1f38d61 | 2006-09-20 15:59:26 +0200 | [diff] [blame] | 58 | : "=d" (ry) |
| 59 | : "d" (&parm_list), "m" (parm_list), "m" (*id) |
| 60 | : "cc"); |
| 61 | return ry; |
| 62 | } |
| 63 | |
| 64 | #endif /* _ASM_S390_APPLDATA_H */ |