From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/s390/include/asm/appldata.h | 68 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 arch/s390/include/asm/appldata.h (limited to 'arch/s390/include/asm/appldata.h') diff --git a/arch/s390/include/asm/appldata.h b/arch/s390/include/asm/appldata.h new file mode 100644 index 0000000000..f2240392c7 --- /dev/null +++ b/arch/s390/include/asm/appldata.h @@ -0,0 +1,68 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright IBM Corp. 2006 + * + * Author(s): Melissa Howland + */ + +#ifndef _ASM_S390_APPLDATA_H +#define _ASM_S390_APPLDATA_H + +#include +#include + +#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)); + +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_parameter_list *parm_list, + struct appldata_product_id *id, + unsigned short fn, void *buffer, + unsigned short length) +{ + int ry; + + if (!MACHINE_IS_VM) + return -EOPNOTSUPP; + 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); + diag_stat_inc(DIAG_STAT_X0DC); + asm volatile( + " diag %1,%0,0xdc" + : "=d" (ry) + : "d" (parm_list), "m" (*parm_list), "m" (*id) + : "cc"); + return ry; +} + +#endif /* _ASM_S390_APPLDATA_H */ -- cgit v1.2.3