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