| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Copyright © 2016 Intel Corporation |
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| 4 | * |
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| 5 | * Authors: |
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| 6 | * Rafael Antognolli <rafael.antognolli@intel.com> |
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| 7 | * Scott Bauer <scott.bauer@intel.com> |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef LINUX_OPAL_H |
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| 11 | #define LINUX_OPAL_H |
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| 12 | |
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| 13 | #include <uapi/linux/sed-opal.h> |
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| 14 | #include <linux/compiler_types.h> |
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| 15 | #include <linux/types.h> |
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| 16 | |
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| 17 | struct opal_dev; |
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| 18 | |
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| 19 | typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer, |
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| 20 | size_t len, bool send); |
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| 21 | |
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| 22 | #ifdef CONFIG_BLK_SED_OPAL |
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| 23 | void free_opal_dev(struct opal_dev *dev); |
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| 24 | bool opal_unlock_from_suspend(struct opal_dev *dev); |
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| 25 | struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv); |
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| 26 | int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr); |
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| 27 | |
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| 28 | #define OPAL_AUTH_KEY "opal-boot-pin" |
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| 29 | #define OPAL_AUTH_KEY_PREV "opal-boot-pin-prev" |
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| 30 | |
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| 31 | static inline bool is_sed_ioctl(unsigned int cmd) |
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| 32 | { |
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| 33 | switch (cmd) { |
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| 34 | case IOC_OPAL_SAVE: |
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| 35 | case IOC_OPAL_LOCK_UNLOCK: |
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| 36 | case IOC_OPAL_TAKE_OWNERSHIP: |
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| 37 | case IOC_OPAL_ACTIVATE_LSP: |
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| 38 | case IOC_OPAL_SET_PW: |
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| 39 | case IOC_OPAL_ACTIVATE_USR: |
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| 40 | case IOC_OPAL_REVERT_TPR: |
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| 41 | case IOC_OPAL_LR_SETUP: |
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| 42 | case IOC_OPAL_ADD_USR_TO_LR: |
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| 43 | case IOC_OPAL_ENABLE_DISABLE_MBR: |
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| 44 | case IOC_OPAL_ERASE_LR: |
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| 45 | case IOC_OPAL_SECURE_ERASE_LR: |
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| 46 | case IOC_OPAL_PSID_REVERT_TPR: |
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| 47 | case IOC_OPAL_MBR_DONE: |
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| 48 | case IOC_OPAL_WRITE_SHADOW_MBR: |
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| 49 | case IOC_OPAL_GENERIC_TABLE_RW: |
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| 50 | case IOC_OPAL_GET_STATUS: |
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| 51 | case IOC_OPAL_GET_LR_STATUS: |
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| 52 | case IOC_OPAL_GET_GEOMETRY: |
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| 53 | case IOC_OPAL_DISCOVERY: |
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| 54 | case IOC_OPAL_REVERT_LSP: |
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| 55 | case IOC_OPAL_SET_SID_PW: |
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| 56 | return true; |
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| 57 | } |
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| 58 | return false; |
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| 59 | } |
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| 60 | #else |
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| 61 | static inline void free_opal_dev(struct opal_dev *dev) |
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| 62 | { |
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| 63 | } |
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| 64 | |
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| 65 | static inline bool is_sed_ioctl(unsigned int cmd) |
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| 66 | { |
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| 67 | return false; |
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| 68 | } |
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| 69 | |
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| 70 | static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd, |
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| 71 | void __user *ioctl_ptr) |
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| 72 | { |
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| 73 | return 0; |
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| 74 | } |
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| 75 | static inline bool opal_unlock_from_suspend(struct opal_dev *dev) |
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| 76 | { |
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| 77 | return false; |
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| 78 | } |
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| 79 | #define init_opal_dev(data, send_recv) NULL |
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| 80 | #endif /* CONFIG_BLK_SED_OPAL */ |
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| 81 | #endif /* LINUX_OPAL_H */ |
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| 82 | |
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