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68 lines
1.6 KiB
68 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright IBM Corp. 2006 |
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* |
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* Author(s): Melissa Howland <[email protected]> |
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*/ |
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#ifndef _ASM_S390_APPLDATA_H |
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#define _ASM_S390_APPLDATA_H |
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#include <asm/diag.h> |
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#include <asm/io.h> |
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#define APPLDATA_START_INTERVAL_REC 0x80 |
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#define APPLDATA_STOP_REC 0x81 |
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#define APPLDATA_GEN_EVENT_REC 0x82 |
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#define APPLDATA_START_CONFIG_REC 0x83 |
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/* |
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* Parameter list for DIAGNOSE X'DC' |
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*/ |
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struct appldata_parameter_list { |
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u16 diag; |
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u8 function; |
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u8 parlist_length; |
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u32 unused01; |
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u16 reserved; |
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u16 buffer_length; |
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u32 unused02; |
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u64 product_id_addr; |
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u64 buffer_addr; |
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} __attribute__ ((packed)); |
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struct appldata_product_id { |
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char prod_nr[7]; /* product number */ |
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u16 prod_fn; /* product function */ |
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u8 record_nr; /* record number */ |
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u16 version_nr; /* version */ |
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u16 release_nr; /* release */ |
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u16 mod_lvl; /* modification level */ |
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} __attribute__ ((packed)); |
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static inline int appldata_asm(struct appldata_parameter_list *parm_list, |
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struct appldata_product_id *id, |
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unsigned short fn, void *buffer, |
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unsigned short length) |
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{ |
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int ry; |
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if (!MACHINE_IS_VM) |
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return -EOPNOTSUPP; |
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parm_list->diag = 0xdc; |
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parm_list->function = fn; |
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parm_list->parlist_length = sizeof(*parm_list); |
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parm_list->buffer_length = length; |
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parm_list->product_id_addr = (unsigned long) id; |
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parm_list->buffer_addr = virt_to_phys(buffer); |
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diag_stat_inc(DIAG_STAT_X0DC); |
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asm volatile( |
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" diag %1,%0,0xdc" |
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: "=d" (ry) |
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: "d" (parm_list), "m" (*parm_list), "m" (*id) |
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: "cc"); |
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return ry; |
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} |
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#endif /* _ASM_S390_APPLDATA_H */
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