projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 455a7b23 SB |
1 | /* |
| 2 | * Copyright © 2016 Intel Corporation | |
| 3 | * | |
| 4 | * Authors: | |
| 5 | * Rafael Antognolli <rafael.antognolli@intel.com> | |
| 6 | * Scott Bauer <scott.bauer@intel.com> | |
| 7 | * | |
| 8 | * This program is free software; you can redistribute it and/or modify it | |
| 9 | * under the terms and conditions of the GNU General Public License, | |
| 10 | * version 2, as published by the Free Software Foundation. | |
| 11 | * | |
| 12 | * This program is distributed in the hope it will be useful, but WITHOUT | |
| 13 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 15 | * more details. | |
| 16 | */ | |
| 17 | ||
| 18 | #ifndef LINUX_OPAL_H | |
| 19 | #define LINUX_OPAL_H | |
| 20 | ||
| 21 | #include <uapi/linux/sed-opal.h> | |
| 22 | #include <linux/kernel.h> | |
| 23 | ||
| 455a7b23 SB |
24 | struct opal_dev; |
| 25 | ||
| 4f1244c8 CH |
26 | typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer, |
| 27 | size_t len, bool send); | |
| 455a7b23 SB |
28 | |
| 29 | #ifdef CONFIG_BLK_SED_OPAL | |
| 7d6d1578 | 30 | void free_opal_dev(struct opal_dev *dev); |
| 455a7b23 | 31 | bool opal_unlock_from_suspend(struct opal_dev *dev); |
| 4f1244c8 | 32 | struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv); |
| e225c20e | 33 | int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr); |
| 455a7b23 SB |
34 | |
| 35 | static inline bool is_sed_ioctl(unsigned int cmd) | |
| 36 | { | |
| 37 | switch (cmd) { | |
| 38 | case IOC_OPAL_SAVE: | |
| 39 | case IOC_OPAL_LOCK_UNLOCK: | |
| 40 | case IOC_OPAL_TAKE_OWNERSHIP: | |
| 41 | case IOC_OPAL_ACTIVATE_LSP: | |
| 42 | case IOC_OPAL_SET_PW: | |
| 43 | case IOC_OPAL_ACTIVATE_USR: | |
| 44 | case IOC_OPAL_REVERT_TPR: | |
| 45 | case IOC_OPAL_LR_SETUP: | |
| 46 | case IOC_OPAL_ADD_USR_TO_LR: | |
| 47 | case IOC_OPAL_ENABLE_DISABLE_MBR: | |
| 48 | case IOC_OPAL_ERASE_LR: | |
| 49 | case IOC_OPAL_SECURE_ERASE_LR: | |
| 50 | return true; | |
| 51 | } | |
| 52 | return false; | |
| 53 | } | |
| 54 | #else | |
| 7d6d1578 SB |
55 | static inline void free_opal_dev(struct opal_dev *dev) |
| 56 | { | |
| 57 | } | |
| 58 | ||
| 455a7b23 SB |
59 | static inline bool is_sed_ioctl(unsigned int cmd) |
| 60 | { | |
| 61 | return false; | |
| 62 | } | |
| 63 | ||
| 64 | static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd, | |
| e225c20e | 65 | void __user *ioctl_ptr) |
| 455a7b23 SB |
66 | { |
| 67 | return 0; | |
| 68 | } | |
| 69 | static inline bool opal_unlock_from_suspend(struct opal_dev *dev) | |
| 70 | { | |
| 71 | return false; | |
| 72 | } | |
| 4f1244c8 | 73 | #define init_opal_dev(data, send_recv) NULL |
| 455a7b23 SB |
74 | #endif /* CONFIG_BLK_SED_OPAL */ |
| 75 | #endif /* LINUX_OPAL_H */ |