/* * Copyright © 2016 Intel Corporation * * Authors: * Rafael Antognolli <rafael.antognolli@intel.com> * Scott Bauer <scott.bauer@intel.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #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: 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 */