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8c16567d | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
455a7b23 SB |
2 | /* |
3 | * Copyright © 2016 Intel Corporation | |
4 | * | |
5 | * Authors: | |
6 | * Rafael Antognolli <rafael.antognolli@intel.com> | |
7 | * Scott Bauer <scott.bauer@intel.com> | |
455a7b23 SB |
8 | */ |
9 | ||
10 | #ifndef LINUX_OPAL_H | |
11 | #define LINUX_OPAL_H | |
12 | ||
13 | #include <uapi/linux/sed-opal.h> | |
14 | #include <linux/kernel.h> | |
15 | ||
455a7b23 SB |
16 | struct opal_dev; |
17 | ||
4f1244c8 CH |
18 | typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer, |
19 | size_t len, bool send); | |
455a7b23 SB |
20 | |
21 | #ifdef CONFIG_BLK_SED_OPAL | |
7d6d1578 | 22 | void free_opal_dev(struct opal_dev *dev); |
455a7b23 | 23 | bool opal_unlock_from_suspend(struct opal_dev *dev); |
4f1244c8 | 24 | struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv); |
e225c20e | 25 | int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr); |
455a7b23 SB |
26 | |
27 | static inline bool is_sed_ioctl(unsigned int cmd) | |
28 | { | |
29 | switch (cmd) { | |
30 | case IOC_OPAL_SAVE: | |
31 | case IOC_OPAL_LOCK_UNLOCK: | |
32 | case IOC_OPAL_TAKE_OWNERSHIP: | |
33 | case IOC_OPAL_ACTIVATE_LSP: | |
34 | case IOC_OPAL_SET_PW: | |
35 | case IOC_OPAL_ACTIVATE_USR: | |
36 | case IOC_OPAL_REVERT_TPR: | |
37 | case IOC_OPAL_LR_SETUP: | |
38 | case IOC_OPAL_ADD_USR_TO_LR: | |
39 | case IOC_OPAL_ENABLE_DISABLE_MBR: | |
40 | case IOC_OPAL_ERASE_LR: | |
41 | case IOC_OPAL_SECURE_ERASE_LR: | |
5e4c7cf6 | 42 | case IOC_OPAL_PSID_REVERT_TPR: |
c9888443 | 43 | case IOC_OPAL_MBR_DONE: |
455a7b23 SB |
44 | return true; |
45 | } | |
46 | return false; | |
47 | } | |
48 | #else | |
7d6d1578 SB |
49 | static inline void free_opal_dev(struct opal_dev *dev) |
50 | { | |
51 | } | |
52 | ||
455a7b23 SB |
53 | static inline bool is_sed_ioctl(unsigned int cmd) |
54 | { | |
55 | return false; | |
56 | } | |
57 | ||
58 | static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd, | |
e225c20e | 59 | void __user *ioctl_ptr) |
455a7b23 SB |
60 | { |
61 | return 0; | |
62 | } | |
63 | static inline bool opal_unlock_from_suspend(struct opal_dev *dev) | |
64 | { | |
65 | return false; | |
66 | } | |
4f1244c8 | 67 | #define init_opal_dev(data, send_recv) NULL |
455a7b23 SB |
68 | #endif /* CONFIG_BLK_SED_OPAL */ |
69 | #endif /* LINUX_OPAL_H */ |