72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2022 IBM Corporation
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* Author: Nayna Jain <nayna@linux.ibm.com>
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*
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* Platform keystore for pseries LPAR(PLPKS).
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*/
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#ifndef _PSERIES_PLPKS_H
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#define _PSERIES_PLPKS_H
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#include <linux/types.h>
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#include <linux/list.h>
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#define OSSECBOOTAUDIT 0x40000000
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#define OSSECBOOTENFORCE 0x20000000
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#define WORLDREADABLE 0x08000000
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#define SIGNEDUPDATE 0x01000000
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#define PLPKS_VAR_LINUX 0x02
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#define PLPKS_VAR_COMMON 0x04
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struct plpks_var {
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char *component;
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u8 *name;
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u8 *data;
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u32 policy;
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u16 namelen;
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u16 datalen;
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u8 os;
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};
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struct plpks_var_name {
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u8 *name;
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u16 namelen;
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};
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struct plpks_var_name_list {
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u32 varcount;
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struct plpks_var_name varlist[];
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};
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/**
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* Writes the specified var and its data to PKS.
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* Any caller of PKS driver should present a valid component type for
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* their variable.
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*/
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int plpks_write_var(struct plpks_var var);
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/**
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* Removes the specified var and its data from PKS.
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*/
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int plpks_remove_var(char *component, u8 varos,
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struct plpks_var_name vname);
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/**
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* Returns the data for the specified os variable.
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*/
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int plpks_read_os_var(struct plpks_var *var);
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/**
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* Returns the data for the specified firmware variable.
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*/
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int plpks_read_fw_var(struct plpks_var *var);
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/**
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* Returns the data for the specified bootloader variable.
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*/
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int plpks_read_bootloader_var(struct plpks_var *var);
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#endif
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