Merge branches 'for-4.11/upstream-fixes', 'for-4.12/accutouch', 'for-4.12/cp2112...
[sfrench/cifs-2.6.git] / include / linux / sed-opal.h
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
24 struct opal_dev;
25
26 typedef int (sec_send_recv)(void *data, u16 spsp, u8 secp, void *buffer,
27                 size_t len, bool send);
28
29 #ifdef CONFIG_BLK_SED_OPAL
30 bool opal_unlock_from_suspend(struct opal_dev *dev);
31 struct opal_dev *init_opal_dev(void *data, sec_send_recv *send_recv);
32 int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *ioctl_ptr);
33
34 static inline bool is_sed_ioctl(unsigned int cmd)
35 {
36         switch (cmd) {
37         case IOC_OPAL_SAVE:
38         case IOC_OPAL_LOCK_UNLOCK:
39         case IOC_OPAL_TAKE_OWNERSHIP:
40         case IOC_OPAL_ACTIVATE_LSP:
41         case IOC_OPAL_SET_PW:
42         case IOC_OPAL_ACTIVATE_USR:
43         case IOC_OPAL_REVERT_TPR:
44         case IOC_OPAL_LR_SETUP:
45         case IOC_OPAL_ADD_USR_TO_LR:
46         case IOC_OPAL_ENABLE_DISABLE_MBR:
47         case IOC_OPAL_ERASE_LR:
48         case IOC_OPAL_SECURE_ERASE_LR:
49                 return true;
50         }
51         return false;
52 }
53 #else
54 static inline bool is_sed_ioctl(unsigned int cmd)
55 {
56         return false;
57 }
58
59 static inline int sed_ioctl(struct opal_dev *dev, unsigned int cmd,
60                             void __user *ioctl_ptr)
61 {
62         return 0;
63 }
64 static inline bool opal_unlock_from_suspend(struct opal_dev *dev)
65 {
66         return false;
67 }
68 #define init_opal_dev(data, send_recv)          NULL
69 #endif /* CONFIG_BLK_SED_OPAL */
70 #endif /* LINUX_OPAL_H */