xref: /titanic_51/usr/src/uts/common/xen/public/io/console.h (revision 843e19887f64dde75055cf8842fc4db2171eff45)
1*843e1988Sjohnlev /******************************************************************************
2*843e1988Sjohnlev  * console.h
3*843e1988Sjohnlev  *
4*843e1988Sjohnlev  * Console I/O interface for Xen guest OSes.
5*843e1988Sjohnlev  *
6*843e1988Sjohnlev  * Permission is hereby granted, free of charge, to any person obtaining a copy
7*843e1988Sjohnlev  * of this software and associated documentation files (the "Software"), to
8*843e1988Sjohnlev  * deal in the Software without restriction, including without limitation the
9*843e1988Sjohnlev  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10*843e1988Sjohnlev  * sell copies of the Software, and to permit persons to whom the Software is
11*843e1988Sjohnlev  * furnished to do so, subject to the following conditions:
12*843e1988Sjohnlev  *
13*843e1988Sjohnlev  * The above copyright notice and this permission notice shall be included in
14*843e1988Sjohnlev  * all copies or substantial portions of the Software.
15*843e1988Sjohnlev  *
16*843e1988Sjohnlev  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17*843e1988Sjohnlev  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18*843e1988Sjohnlev  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19*843e1988Sjohnlev  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20*843e1988Sjohnlev  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21*843e1988Sjohnlev  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22*843e1988Sjohnlev  * DEALINGS IN THE SOFTWARE.
23*843e1988Sjohnlev  *
24*843e1988Sjohnlev  * Copyright (c) 2005, Keir Fraser
25*843e1988Sjohnlev  */
26*843e1988Sjohnlev 
27*843e1988Sjohnlev #ifndef __XEN_PUBLIC_IO_CONSOLE_H__
28*843e1988Sjohnlev #define __XEN_PUBLIC_IO_CONSOLE_H__
29*843e1988Sjohnlev 
30*843e1988Sjohnlev typedef uint32_t XENCONS_RING_IDX;
31*843e1988Sjohnlev 
32*843e1988Sjohnlev #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
33*843e1988Sjohnlev 
34*843e1988Sjohnlev struct xencons_interface {
35*843e1988Sjohnlev     char in[1024];
36*843e1988Sjohnlev     char out[2048];
37*843e1988Sjohnlev     XENCONS_RING_IDX in_cons, in_prod;
38*843e1988Sjohnlev     XENCONS_RING_IDX out_cons, out_prod;
39*843e1988Sjohnlev };
40*843e1988Sjohnlev 
41*843e1988Sjohnlev #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
42*843e1988Sjohnlev 
43*843e1988Sjohnlev /*
44*843e1988Sjohnlev  * Local variables:
45*843e1988Sjohnlev  * mode: C
46*843e1988Sjohnlev  * c-set-style: "BSD"
47*843e1988Sjohnlev  * c-basic-offset: 4
48*843e1988Sjohnlev  * tab-width: 4
49*843e1988Sjohnlev  * indent-tabs-mode: nil
50*843e1988Sjohnlev  * End:
51*843e1988Sjohnlev  */
52