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Diffstat (limited to 'arch/s390/include/asm/tape390.h')
-rw-r--r-- | arch/s390/include/asm/tape390.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/arch/s390/include/asm/tape390.h b/arch/s390/include/asm/tape390.h deleted file mode 100644 index b2bc4bab7929..000000000000 --- a/arch/s390/include/asm/tape390.h +++ /dev/null | |||
@@ -1,102 +0,0 @@ | |||
1 | /************************************************************************* | ||
2 | * | ||
3 | * enables user programs to display messages and control encryption | ||
4 | * on s390 tape devices | ||
5 | * | ||
6 | * Copyright IBM Corp. 2001, 2006 | ||
7 | * Author(s): Michael Holzheu <holzheu@de.ibm.com> | ||
8 | * | ||
9 | *************************************************************************/ | ||
10 | |||
11 | #ifndef _TAPE390_H | ||
12 | #define _TAPE390_H | ||
13 | |||
14 | #define TAPE390_DISPLAY _IOW('d', 1, struct display_struct) | ||
15 | |||
16 | /* | ||
17 | * The TAPE390_DISPLAY ioctl calls the Load Display command | ||
18 | * which transfers 17 bytes of data from the channel to the subsystem: | ||
19 | * - 1 format control byte, and | ||
20 | * - two 8-byte messages | ||
21 | * | ||
22 | * Format control byte: | ||
23 | * 0-2: New Message Overlay | ||
24 | * 3: Alternate Messages | ||
25 | * 4: Blink Message | ||
26 | * 5: Display Low/High Message | ||
27 | * 6: Reserved | ||
28 | * 7: Automatic Load Request | ||
29 | * | ||
30 | */ | ||
31 | |||
32 | typedef struct display_struct { | ||
33 | char cntrl; | ||
34 | char message1[8]; | ||
35 | char message2[8]; | ||
36 | } display_struct; | ||
37 | |||
38 | /* | ||
39 | * Tape encryption support | ||
40 | */ | ||
41 | |||
42 | struct tape390_crypt_info { | ||
43 | char capability; | ||
44 | char status; | ||
45 | char medium_status; | ||
46 | } __attribute__ ((packed)); | ||
47 | |||
48 | |||
49 | /* Macros for "capable" field */ | ||
50 | #define TAPE390_CRYPT_SUPPORTED_MASK 0x01 | ||
51 | #define TAPE390_CRYPT_SUPPORTED(x) \ | ||
52 | ((x.capability & TAPE390_CRYPT_SUPPORTED_MASK)) | ||
53 | |||
54 | /* Macros for "status" field */ | ||
55 | #define TAPE390_CRYPT_ON_MASK 0x01 | ||
56 | #define TAPE390_CRYPT_ON(x) (((x.status) & TAPE390_CRYPT_ON_MASK)) | ||
57 | |||
58 | /* Macros for "medium status" field */ | ||
59 | #define TAPE390_MEDIUM_LOADED_MASK 0x01 | ||
60 | #define TAPE390_MEDIUM_ENCRYPTED_MASK 0x02 | ||
61 | #define TAPE390_MEDIUM_ENCRYPTED(x) \ | ||
62 | (((x.medium_status) & TAPE390_MEDIUM_ENCRYPTED_MASK)) | ||
63 | #define TAPE390_MEDIUM_LOADED(x) \ | ||
64 | (((x.medium_status) & TAPE390_MEDIUM_LOADED_MASK)) | ||
65 | |||
66 | /* | ||
67 | * The TAPE390_CRYPT_SET ioctl is used to switch on/off encryption. | ||
68 | * The "encryption_capable" and "tape_status" fields are ignored for this ioctl! | ||
69 | */ | ||
70 | #define TAPE390_CRYPT_SET _IOW('d', 2, struct tape390_crypt_info) | ||
71 | |||
72 | /* | ||
73 | * The TAPE390_CRYPT_QUERY ioctl is used to query the encryption state. | ||
74 | */ | ||
75 | #define TAPE390_CRYPT_QUERY _IOR('d', 3, struct tape390_crypt_info) | ||
76 | |||
77 | /* Values for "kekl1/2_type" and "kekl1/2_type_on_tape" fields */ | ||
78 | #define TAPE390_KEKL_TYPE_NONE 0 | ||
79 | #define TAPE390_KEKL_TYPE_LABEL 1 | ||
80 | #define TAPE390_KEKL_TYPE_HASH 2 | ||
81 | |||
82 | struct tape390_kekl { | ||
83 | unsigned char type; | ||
84 | unsigned char type_on_tape; | ||
85 | char label[65]; | ||
86 | } __attribute__ ((packed)); | ||
87 | |||
88 | struct tape390_kekl_pair { | ||
89 | struct tape390_kekl kekl[2]; | ||
90 | } __attribute__ ((packed)); | ||
91 | |||
92 | /* | ||
93 | * The TAPE390_KEKL_SET ioctl is used to set Key Encrypting Key labels. | ||
94 | */ | ||
95 | #define TAPE390_KEKL_SET _IOW('d', 4, struct tape390_kekl_pair) | ||
96 | |||
97 | /* | ||
98 | * The TAPE390_KEKL_QUERY ioctl is used to query Key Encrypting Key labels. | ||
99 | */ | ||
100 | #define TAPE390_KEKL_QUERY _IOR('d', 5, struct tape390_kekl_pair) | ||
101 | |||
102 | #endif | ||