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