| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * SED key operations. |
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| 4 | * |
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| 5 | * Copyright (C) 2023 IBM Corporation |
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| 6 | * |
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| 7 | * These are the accessor functions (read/write) for SED Opal |
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| 8 | * keys. Specific keystores can provide overrides. |
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| 9 | * |
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| 10 | */ |
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| 11 | |
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| 12 | #include <linux/kernel.h> |
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| 13 | |
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| 14 | #ifdef CONFIG_PSERIES_PLPKS_SED |
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| 15 | int sed_read_key(char *keyname, char *key, u_int *keylen); |
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| 16 | int sed_write_key(char *keyname, char *key, u_int keylen); |
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| 17 | #else |
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| 18 | static inline |
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| 19 | int sed_read_key(char *keyname, char *key, u_int *keylen) { |
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| 20 | return -EOPNOTSUPP; |
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| 21 | } |
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| 22 | static inline |
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| 23 | int sed_write_key(char *keyname, char *key, u_int keylen) { |
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| 24 | return -EOPNOTSUPP; |
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| 25 | } |
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| 26 | #endif |
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| 27 | |
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