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71 lines
1.7 KiB
71 lines
1.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright © 2016 Intel Corporation |
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* |
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* Authors: |
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* Rafael Antognolli <[email protected]> |
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* Scott Bauer <[email protected]> |
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*/ |
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#ifndef LINUX_OPAL_H |
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#define LINUX_OPAL_H |
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#include <uapi/linux/sed-opal.h> |
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#include <linux/kernel.h> |
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struct opal_dev; |
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typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer, |
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size_t len, bool send); |
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#ifdef CONFIG_BLK_SED_OPAL |
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void free_opal_dev(struct opal_dev *dev); |
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bool opal_unlock_from_suspend(struct opal_dev *dev); |
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struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv); |
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int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr); |
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static inline bool is_sed_ioctl(unsigned int cmd) |
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{ |
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switch (cmd) { |
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case IOC_OPAL_SAVE: |
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case IOC_OPAL_LOCK_UNLOCK: |
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case IOC_OPAL_TAKE_OWNERSHIP: |
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case IOC_OPAL_ACTIVATE_LSP: |
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case IOC_OPAL_SET_PW: |
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case IOC_OPAL_ACTIVATE_USR: |
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case IOC_OPAL_REVERT_TPR: |
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case IOC_OPAL_LR_SETUP: |
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case IOC_OPAL_ADD_USR_TO_LR: |
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case IOC_OPAL_ENABLE_DISABLE_MBR: |
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case IOC_OPAL_ERASE_LR: |
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case IOC_OPAL_SECURE_ERASE_LR: |
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case IOC_OPAL_PSID_REVERT_TPR: |
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case IOC_OPAL_MBR_DONE: |
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case IOC_OPAL_WRITE_SHADOW_MBR: |
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case IOC_OPAL_GENERIC_TABLE_RW: |
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return true; |
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} |
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return false; |
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} |
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#else |
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static inline void free_opal_dev(struct opal_dev *dev) |
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{ |
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} |
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static inline bool is_sed_ioctl(unsigned int cmd) |
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{ |
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return false; |
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} |
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static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd, |
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void __user *ioctl_ptr) |
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{ |
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return 0; |
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} |
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static inline bool opal_unlock_from_suspend(struct opal_dev *dev) |
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{ |
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return false; |
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} |
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#define init_opal_dev(data, send_recv) NULL |
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#endif /* CONFIG_BLK_SED_OPAL */ |
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#endif /* LINUX_OPAL_H */
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