The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/xen/interface/io/console.h

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

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