diff options
| author | Russell Currey <ruscur@russell.cc> | 2023-02-10 19:03:49 +1100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2023-02-12 22:12:38 +1100 |
| commit | 90b74e305d6b5a444b1283dd7ad1caf6acaa0340 (patch) | |
| tree | 53917ed40fb4fe341caab16c6be4e84744957bb7 /arch/powerpc/include/asm | |
| parent | c96db155ebc6be868d5dde1b5caf6879c181cda4 (diff) | |
powerpc/pseries: Move plpks.h to include directory
Move plpks.h from platforms/pseries/ to include/asm/. This is necessary
for later patches to make use of the PLPKS from code in other subsystems.
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Andrew Donnellan <ajd@linux.ibm.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230210080401.345462-15-ajd@linux.ibm.com
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/plpks.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/plpks.h b/arch/powerpc/include/asm/plpks.h new file mode 100644 index 000000000000..8295502ee93b --- /dev/null +++ b/arch/powerpc/include/asm/plpks.h @@ -0,0 +1,75 @@ +/* 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 _ASM_POWERPC_PLPKS_H +#define _ASM_POWERPC_PLPKS_H + +#ifdef CONFIG_PSERIES_PLPKS + +#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 // CONFIG_PSERIES_PLPKS + +#endif // _ASM_POWERPC_PLPKS_H |