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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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988b86e69d
Provide a user space interface to issue call logical-processor instructions. Only selected CLP commands are allowed, enough to get the full overview of the installed PCI functions. Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
29 lines
486 B
C
29 lines
486 B
C
/*
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* ioctl interface for /dev/clp
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*
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* Copyright IBM Corp. 2016
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* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
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*/
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#ifndef _ASM_CLP_H
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#define _ASM_CLP_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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struct clp_req {
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unsigned int c : 1;
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unsigned int r : 1;
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unsigned int lps : 6;
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unsigned int cmd : 8;
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unsigned int : 16;
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unsigned int reserved;
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__u64 data_p;
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};
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#define CLP_IOCTL_MAGIC 'c'
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#define CLP_SYNC _IOWR(CLP_IOCTL_MAGIC, 0xC1, struct clp_req)
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#endif
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