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/* * include/asm-s390/appldata.h * * Copyright (C) IBM Corp. 2006 * * Author(s): Melissa Howland <melissah@us.ibm.com> */ #ifndef _ASM_S390_APPLDATA_H #define _ASM_S390_APPLDATA_H #include <asm/io.h> #ifndef CONFIG_64BIT #define APPLDATA_START_INTERVAL_REC 0x00 /* Function codes for */ #define APPLDATA_STOP_REC 0x01 /* DIAG 0xDC */ #define APPLDATA_GEN_EVENT_REC 0x02 #define APPLDATA_START_CONFIG_REC 0x03 /* * Parameter list for DIAGNOSE X'DC' */ struct appldata_parameter_list { u16 diag; /* The DIAGNOSE code X'00DC' */ u8 function; /* The function code for the DIAGNOSE */ u8 parlist_length; /* Length of the parameter list */ u32 product_id_addr; /* Address of the 16-byte product ID */ u16 reserved; u16 buffer_length; /* Length of the application data buffer */ u32 buffer_addr; /* Address of the application data buffer */ } __attribute__ ((packed)); #else /* CONFIG_64BIT */ #define APPLDATA_START_INTERVAL_REC 0x80 #define APPLDATA_STOP_REC 0x81 #define APPLDATA_GEN_EVENT_REC 0x82 #define APPLDATA_START_CONFIG_REC 0x83 /* * Parameter list for DIAGNOSE X'DC' */ struct appldata_parameter_list { u16 diag; u8 function; u8 parlist_length; u32 unused01; u16 reserved; u16 buffer_length; u32 unused02; u64 product_id_addr; u64 buffer_addr; } __attribute__ ((packed)); #endif /* CONFIG_64BIT */ struct appldata_product_id { char prod_nr[7]; /* product number */ u16 prod_fn; /* product function */ u8 record_nr; /* record number */ u16 version_nr; /* version */ u16 release_nr; /* release */ u16 mod_lvl; /* modification level */ } __attribute__ ((packed)); static inline int appldata_asm(struct appldata_product_id *id, unsigned short fn, void *buffer, unsigned short length) { struct appldata_parameter_list parm_list; int ry; if (!MACHINE_IS_VM) return -ENOSYS; parm_list.diag = 0xdc; parm_list.function = fn; parm_list.parlist_length = sizeof(parm_list); parm_list.buffer_length = length; parm_list.product_id_addr = (unsigned long) id; parm_list.buffer_addr = virt_to_phys(buffer); asm volatile( " diag %1,%0,0xdc" : "=d" (ry) : "d" (&parm_list), "m" (parm_list), "m" (*id) : "cc"); return ry; } #endif /* _ASM_S390_APPLDATA_H */ |