diff options
Diffstat (limited to 'include/xen/interface/io')
-rw-r--r-- | include/xen/interface/io/fbif.h | 124 | ||||
-rw-r--r-- | include/xen/interface/io/kbdif.h | 114 |
2 files changed, 238 insertions, 0 deletions
diff --git a/include/xen/interface/io/fbif.h b/include/xen/interface/io/fbif.h new file mode 100644 index 000000000000..5a934dd7796d --- /dev/null +++ b/include/xen/interface/io/fbif.h | |||
@@ -0,0 +1,124 @@ | |||
1 | /* | ||
2 | * fbif.h -- Xen virtual frame buffer device | ||
3 | * | ||
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
5 | * of this software and associated documentation files (the "Software"), to | ||
6 | * deal in the Software without restriction, including without limitation the | ||
7 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | ||
8 | * sell copies of the Software, and to permit persons to whom the Software is | ||
9 | * furnished to do so, subject to the following conditions: | ||
10 | * | ||
11 | * The above copyright notice and this permission notice shall be included in | ||
12 | * all copies or substantial portions of the Software. | ||
13 | * | ||
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | * DEALINGS IN THE SOFTWARE. | ||
21 | * | ||
22 | * Copyright (C) 2005 Anthony Liguori <aliguori@us.ibm.com> | ||
23 | * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster <armbru@redhat.com> | ||
24 | */ | ||
25 | |||
26 | #ifndef __XEN_PUBLIC_IO_FBIF_H__ | ||
27 | #define __XEN_PUBLIC_IO_FBIF_H__ | ||
28 | |||
29 | /* Out events (frontend -> backend) */ | ||
30 | |||
31 | /* | ||
32 | * Out events may be sent only when requested by backend, and receipt | ||
33 | * of an unknown out event is an error. | ||
34 | */ | ||
35 | |||
36 | /* Event type 1 currently not used */ | ||
37 | /* | ||
38 | * Framebuffer update notification event | ||
39 | * Capable frontend sets feature-update in xenstore. | ||
40 | * Backend requests it by setting request-update in xenstore. | ||
41 | */ | ||
42 | #define XENFB_TYPE_UPDATE 2 | ||
43 | |||
44 | struct xenfb_update { | ||
45 | uint8_t type; /* XENFB_TYPE_UPDATE */ | ||
46 | int32_t x; /* source x */ | ||
47 | int32_t y; /* source y */ | ||
48 | int32_t width; /* rect width */ | ||
49 | int32_t height; /* rect height */ | ||
50 | }; | ||
51 | |||
52 | #define XENFB_OUT_EVENT_SIZE 40 | ||
53 | |||
54 | union xenfb_out_event { | ||
55 | uint8_t type; | ||
56 | struct xenfb_update update; | ||
57 | char pad[XENFB_OUT_EVENT_SIZE]; | ||
58 | }; | ||
59 | |||
60 | /* In events (backend -> frontend) */ | ||
61 | |||
62 | /* | ||
63 | * Frontends should ignore unknown in events. | ||
64 | * No in events currently defined. | ||
65 | */ | ||
66 | |||
67 | #define XENFB_IN_EVENT_SIZE 40 | ||
68 | |||
69 | union xenfb_in_event { | ||
70 | uint8_t type; | ||
71 | char pad[XENFB_IN_EVENT_SIZE]; | ||
72 | }; | ||
73 | |||
74 | /* shared page */ | ||
75 | |||
76 | #define XENFB_IN_RING_SIZE 1024 | ||
77 | #define XENFB_IN_RING_LEN (XENFB_IN_RING_SIZE / XENFB_IN_EVENT_SIZE) | ||
78 | #define XENFB_IN_RING_OFFS 1024 | ||
79 | #define XENFB_IN_RING(page) \ | ||
80 | ((union xenfb_in_event *)((char *)(page) + XENFB_IN_RING_OFFS)) | ||
81 | #define XENFB_IN_RING_REF(page, idx) \ | ||
82 | (XENFB_IN_RING((page))[(idx) % XENFB_IN_RING_LEN]) | ||
83 | |||
84 | #define XENFB_OUT_RING_SIZE 2048 | ||
85 | #define XENFB_OUT_RING_LEN (XENFB_OUT_RING_SIZE / XENFB_OUT_EVENT_SIZE) | ||
86 | #define XENFB_OUT_RING_OFFS (XENFB_IN_RING_OFFS + XENFB_IN_RING_SIZE) | ||
87 | #define XENFB_OUT_RING(page) \ | ||
88 | ((union xenfb_out_event *)((char *)(page) + XENFB_OUT_RING_OFFS)) | ||
89 | #define XENFB_OUT_RING_REF(page, idx) \ | ||
90 | (XENFB_OUT_RING((page))[(idx) % XENFB_OUT_RING_LEN]) | ||
91 | |||
92 | struct xenfb_page { | ||
93 | uint32_t in_cons, in_prod; | ||
94 | uint32_t out_cons, out_prod; | ||
95 | |||
96 | int32_t width; /* width of the framebuffer (in pixels) */ | ||
97 | int32_t height; /* height of the framebuffer (in pixels) */ | ||
98 | uint32_t line_length; /* length of a row of pixels (in bytes) */ | ||
99 | uint32_t mem_length; /* length of the framebuffer (in bytes) */ | ||
100 | uint8_t depth; /* depth of a pixel (in bits) */ | ||
101 | |||
102 | /* | ||
103 | * Framebuffer page directory | ||
104 | * | ||
105 | * Each directory page holds PAGE_SIZE / sizeof(*pd) | ||
106 | * framebuffer pages, and can thus map up to PAGE_SIZE * | ||
107 | * PAGE_SIZE / sizeof(*pd) bytes. With PAGE_SIZE == 4096 and | ||
108 | * sizeof(unsigned long) == 4, that's 4 Megs. Two directory | ||
109 | * pages should be enough for a while. | ||
110 | */ | ||
111 | unsigned long pd[2]; | ||
112 | }; | ||
113 | |||
114 | /* | ||
115 | * Wart: xenkbd needs to know resolution. Put it here until a better | ||
116 | * solution is found, but don't leak it to the backend. | ||
117 | */ | ||
118 | #ifdef __KERNEL__ | ||
119 | #define XENFB_WIDTH 800 | ||
120 | #define XENFB_HEIGHT 600 | ||
121 | #define XENFB_DEPTH 32 | ||
122 | #endif | ||
123 | |||
124 | #endif | ||
diff --git a/include/xen/interface/io/kbdif.h b/include/xen/interface/io/kbdif.h new file mode 100644 index 000000000000..fb97f4284ffd --- /dev/null +++ b/include/xen/interface/io/kbdif.h | |||
@@ -0,0 +1,114 @@ | |||
1 | /* | ||
2 | * kbdif.h -- Xen virtual keyboard/mouse | ||
3 | * | ||
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
5 | * of this software and associated documentation files (the "Software"), to | ||
6 | * deal in the Software without restriction, including without limitation the | ||
7 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | ||
8 | * sell copies of the Software, and to permit persons to whom the Software is | ||
9 | * furnished to do so, subject to the following conditions: | ||
10 | * | ||
11 | * The above copyright notice and this permission notice shall be included in | ||
12 | * all copies or substantial portions of the Software. | ||
13 | * | ||
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | * DEALINGS IN THE SOFTWARE. | ||
21 | * | ||
22 | * Copyright (C) 2005 Anthony Liguori <aliguori@us.ibm.com> | ||
23 | * Copyright (C) 2006 Red Hat, Inc., Markus Armbruster <armbru@redhat.com> | ||
24 | */ | ||
25 | |||
26 | #ifndef __XEN_PUBLIC_IO_KBDIF_H__ | ||
27 | #define __XEN_PUBLIC_IO_KBDIF_H__ | ||
28 | |||
29 | /* In events (backend -> frontend) */ | ||
30 | |||
31 | /* | ||
32 | * Frontends should ignore unknown in events. | ||
33 | */ | ||
34 | |||
35 | /* Pointer movement event */ | ||
36 | #define XENKBD_TYPE_MOTION 1 | ||
37 | /* Event type 2 currently not used */ | ||
38 | /* Key event (includes pointer buttons) */ | ||
39 | #define XENKBD_TYPE_KEY 3 | ||
40 | /* | ||
41 | * Pointer position event | ||
42 | * Capable backend sets feature-abs-pointer in xenstore. | ||
43 | * Frontend requests ot instead of XENKBD_TYPE_MOTION by setting | ||
44 | * request-abs-update in xenstore. | ||
45 | */ | ||
46 | #define XENKBD_TYPE_POS 4 | ||
47 | |||
48 | struct xenkbd_motion { | ||
49 | uint8_t type; /* XENKBD_TYPE_MOTION */ | ||
50 | int32_t rel_x; /* relative X motion */ | ||
51 | int32_t rel_y; /* relative Y motion */ | ||
52 | }; | ||
53 | |||
54 | struct xenkbd_key { | ||
55 | uint8_t type; /* XENKBD_TYPE_KEY */ | ||
56 | uint8_t pressed; /* 1 if pressed; 0 otherwise */ | ||
57 | uint32_t keycode; /* KEY_* from linux/input.h */ | ||
58 | }; | ||
59 | |||
60 | struct xenkbd_position { | ||
61 | uint8_t type; /* XENKBD_TYPE_POS */ | ||
62 | int32_t abs_x; /* absolute X position (in FB pixels) */ | ||
63 | int32_t abs_y; /* absolute Y position (in FB pixels) */ | ||
64 | }; | ||
65 | |||
66 | #define XENKBD_IN_EVENT_SIZE 40 | ||
67 | |||
68 | union xenkbd_in_event { | ||
69 | uint8_t type; | ||
70 | struct xenkbd_motion motion; | ||
71 | struct xenkbd_key key; | ||
72 | struct xenkbd_position pos; | ||
73 | char pad[XENKBD_IN_EVENT_SIZE]; | ||
74 | }; | ||
75 | |||
76 | /* Out events (frontend -> backend) */ | ||
77 | |||
78 | /* | ||
79 | * Out events may be sent only when requested by backend, and receipt | ||
80 | * of an unknown out event is an error. | ||
81 | * No out events currently defined. | ||
82 | */ | ||
83 | |||
84 | #define XENKBD_OUT_EVENT_SIZE 40 | ||
85 | |||
86 | union xenkbd_out_event { | ||
87 | uint8_t type; | ||
88 | char pad[XENKBD_OUT_EVENT_SIZE]; | ||
89 | }; | ||
90 | |||
91 | /* shared page */ | ||
92 | |||
93 | #define XENKBD_IN_RING_SIZE 2048 | ||
94 | #define XENKBD_IN_RING_LEN (XENKBD_IN_RING_SIZE / XENKBD_IN_EVENT_SIZE) | ||
95 | #define XENKBD_IN_RING_OFFS 1024 | ||
96 | #define XENKBD_IN_RING(page) \ | ||
97 | ((union xenkbd_in_event *)((char *)(page) + XENKBD_IN_RING_OFFS)) | ||
98 | #define XENKBD_IN_RING_REF(page, idx) \ | ||
99 | (XENKBD_IN_RING((page))[(idx) % XENKBD_IN_RING_LEN]) | ||
100 | |||
101 | #define XENKBD_OUT_RING_SIZE 1024 | ||
102 | #define XENKBD_OUT_RING_LEN (XENKBD_OUT_RING_SIZE / XENKBD_OUT_EVENT_SIZE) | ||
103 | #define XENKBD_OUT_RING_OFFS (XENKBD_IN_RING_OFFS + XENKBD_IN_RING_SIZE) | ||
104 | #define XENKBD_OUT_RING(page) \ | ||
105 | ((union xenkbd_out_event *)((char *)(page) + XENKBD_OUT_RING_OFFS)) | ||
106 | #define XENKBD_OUT_RING_REF(page, idx) \ | ||
107 | (XENKBD_OUT_RING((page))[(idx) % XENKBD_OUT_RING_LEN]) | ||
108 | |||
109 | struct xenkbd_page { | ||
110 | uint32_t in_cons, in_prod; | ||
111 | uint32_t out_cons, out_prod; | ||
112 | }; | ||
113 | |||
114 | #endif | ||