1 /* 2 * Copyright IBM Corp. 2006 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/diag.h> 11 #include <asm/io.h> 12 13 #define APPLDATA_START_INTERVAL_REC 0x80 14 #define APPLDATA_STOP_REC 0x81 15 #define APPLDATA_GEN_EVENT_REC 0x82 16 #define APPLDATA_START_CONFIG_REC 0x83 17 18 /* 19 * Parameter list for DIAGNOSE X'DC' 20 */ 21 struct appldata_parameter_list { 22 u16 diag; 23 u8 function; 24 u8 parlist_length; 25 u32 unused01; 26 u16 reserved; 27 u16 buffer_length; 28 u32 unused02; 29 u64 product_id_addr; 30 u64 buffer_addr; 31 } __attribute__ ((packed)); 32 33 struct appldata_product_id { 34 char prod_nr[7]; /* product number */ 35 u16 prod_fn; /* product function */ 36 u8 record_nr; /* record number */ 37 u16 version_nr; /* version */ 38 u16 release_nr; /* release */ 39 u16 mod_lvl; /* modification level */ 40 } __attribute__ ((packed)); 41 42 static inline int appldata_asm(struct appldata_product_id *id, 43 unsigned short fn, void *buffer, 44 unsigned short length) 45 { 46 struct appldata_parameter_list parm_list; 47 int ry; 48 49 if (!MACHINE_IS_VM) 50 return -EOPNOTSUPP; 51 parm_list.diag = 0xdc; 52 parm_list.function = fn; 53 parm_list.parlist_length = sizeof(parm_list); 54 parm_list.buffer_length = length; 55 parm_list.product_id_addr = (unsigned long) id; 56 parm_list.buffer_addr = virt_to_phys(buffer); 57 diag_stat_inc(DIAG_STAT_X0DC); 58 asm volatile( 59 " diag %1,%0,0xdc" 60 : "=d" (ry) 61 : "d" (&parm_list), "m" (parm_list), "m" (*id) 62 : "cc"); 63 return ry; 64 } 65 66 #endif /* _ASM_S390_APPLDATA_H */ 67