xref: /onnv-gate/usr/src/uts/common/xen/public/io/console.h (revision 5084:7d838c5c0eed)
1*5084Sjohnlev /******************************************************************************
2*5084Sjohnlev  * console.h
3*5084Sjohnlev  *
4*5084Sjohnlev  * Console I/O interface for Xen guest OSes.
5*5084Sjohnlev  *
6*5084Sjohnlev  * Permission is hereby granted, free of charge, to any person obtaining a copy
7*5084Sjohnlev  * of this software and associated documentation files (the "Software"), to
8*5084Sjohnlev  * deal in the Software without restriction, including without limitation the
9*5084Sjohnlev  * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
10*5084Sjohnlev  * sell copies of the Software, and to permit persons to whom the Software is
11*5084Sjohnlev  * furnished to do so, subject to the following conditions:
12*5084Sjohnlev  *
13*5084Sjohnlev  * The above copyright notice and this permission notice shall be included in
14*5084Sjohnlev  * all copies or substantial portions of the Software.
15*5084Sjohnlev  *
16*5084Sjohnlev  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17*5084Sjohnlev  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18*5084Sjohnlev  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19*5084Sjohnlev  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20*5084Sjohnlev  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21*5084Sjohnlev  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22*5084Sjohnlev  * DEALINGS IN THE SOFTWARE.
23*5084Sjohnlev  *
24*5084Sjohnlev  * Copyright (c) 2005, Keir Fraser
25*5084Sjohnlev  */
26*5084Sjohnlev 
27*5084Sjohnlev #ifndef __XEN_PUBLIC_IO_CONSOLE_H__
28*5084Sjohnlev #define __XEN_PUBLIC_IO_CONSOLE_H__
29*5084Sjohnlev 
30*5084Sjohnlev typedef uint32_t XENCONS_RING_IDX;
31*5084Sjohnlev 
32*5084Sjohnlev #define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
33*5084Sjohnlev 
34*5084Sjohnlev struct xencons_interface {
35*5084Sjohnlev     char in[1024];
36*5084Sjohnlev     char out[2048];
37*5084Sjohnlev     XENCONS_RING_IDX in_cons, in_prod;
38*5084Sjohnlev     XENCONS_RING_IDX out_cons, out_prod;
39*5084Sjohnlev };
40*5084Sjohnlev 
41*5084Sjohnlev #endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
42*5084Sjohnlev 
43*5084Sjohnlev /*
44*5084Sjohnlev  * Local variables:
45*5084Sjohnlev  * mode: C
46*5084Sjohnlev  * c-set-style: "BSD"
47*5084Sjohnlev  * c-basic-offset: 4
48*5084Sjohnlev  * tab-width: 4
49*5084Sjohnlev  * indent-tabs-mode: nil
50*5084Sjohnlev  * End:
51*5084Sjohnlev  */
52