| /* 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 */ |