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-rw-r--r--include/xen/interface/io/fbif.h124
-rw-r--r--include/xen/interface/io/kbdif.h114
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
44struct 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
54union 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
69union 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
92struct 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
48struct 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
54struct 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
60struct 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
68union 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
86union 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
109struct xenkbd_page {
110 uint32_t in_cons, in_prod;
111 uint32_t out_cons, out_prod;
112};
113
114#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-30 04:05:04 -0500