1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* |
3 | * Copyright © 2016 Intel Corporation |
4 | * |
5 | * Authors: |
6 | * Rafael Antognolli <rafael.antognolli@intel.com> |
7 | * Scott Bauer <scott.bauer@intel.com> |
8 | */ |
9 | |
10 | #ifndef LINUX_OPAL_H |
11 | #define LINUX_OPAL_H |
12 | |
13 | #include <uapi/linux/sed-opal.h> |
14 | #include <linux/compiler_types.h> |
15 | #include <linux/types.h> |
16 | |
17 | struct opal_dev; |
18 | |
19 | typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer, |
20 | size_t len, bool send); |
21 | |
22 | #ifdef CONFIG_BLK_SED_OPAL |
23 | void free_opal_dev(struct opal_dev *dev); |
24 | bool opal_unlock_from_suspend(struct opal_dev *dev); |
25 | struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv); |
26 | int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr); |
27 | |
28 | #define OPAL_AUTH_KEY "opal-boot-pin" |
29 | #define OPAL_AUTH_KEY_PREV "opal-boot-pin-prev" |
30 | |
31 | static inline bool is_sed_ioctl(unsigned int cmd) |
32 | { |
33 | switch (cmd) { |
34 | case IOC_OPAL_SAVE: |
35 | case IOC_OPAL_LOCK_UNLOCK: |
36 | case IOC_OPAL_TAKE_OWNERSHIP: |
37 | case IOC_OPAL_ACTIVATE_LSP: |
38 | case IOC_OPAL_SET_PW: |
39 | case IOC_OPAL_ACTIVATE_USR: |
40 | case IOC_OPAL_REVERT_TPR: |
41 | case IOC_OPAL_LR_SETUP: |
42 | case IOC_OPAL_ADD_USR_TO_LR: |
43 | case IOC_OPAL_ENABLE_DISABLE_MBR: |
44 | case IOC_OPAL_ERASE_LR: |
45 | case IOC_OPAL_SECURE_ERASE_LR: |
46 | case IOC_OPAL_PSID_REVERT_TPR: |
47 | case IOC_OPAL_MBR_DONE: |
48 | case IOC_OPAL_WRITE_SHADOW_MBR: |
49 | case IOC_OPAL_GENERIC_TABLE_RW: |
50 | case IOC_OPAL_GET_STATUS: |
51 | case IOC_OPAL_GET_LR_STATUS: |
52 | case IOC_OPAL_GET_GEOMETRY: |
53 | case IOC_OPAL_DISCOVERY: |
54 | case IOC_OPAL_REVERT_LSP: |
55 | return true; |
56 | } |
57 | return false; |
58 | } |
59 | #else |
60 | static inline void free_opal_dev(struct opal_dev *dev) |
61 | { |
62 | } |
63 | |
64 | static inline bool is_sed_ioctl(unsigned int cmd) |
65 | { |
66 | return false; |
67 | } |
68 | |
69 | static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd, |
70 | void __user *ioctl_ptr) |
71 | { |
72 | return 0; |
73 | } |
74 | static inline bool opal_unlock_from_suspend(struct opal_dev *dev) |
75 | { |
76 | return false; |
77 | } |
78 | #define init_opal_dev(data, send_recv) NULL |
79 | #endif /* CONFIG_BLK_SED_OPAL */ |
80 | #endif /* LINUX_OPAL_H */ |
81 | |