d401a48741
This implements a SerialPortLib instance that wires up to the PV console ring used by domU guests. Also imports the required upstream Xen io/console.h header. Contributed-under: TianoCore Contribution Agreement 1.0 Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Acked-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Laszlo Ersek <lersek@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16976 6f19259b-4bc3-4df7-8a09-765794883524
52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/******************************************************************************
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* console.h
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*
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* Console I/O interface for Xen guest OSes.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Copyright (c) 2005, Keir Fraser
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*/
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#ifndef __XEN_PUBLIC_IO_CONSOLE_H__
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#define __XEN_PUBLIC_IO_CONSOLE_H__
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typedef UINT32 XENCONS_RING_IDX;
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#define MASK_XENCONS_IDX(idx, ring) ((idx) & (sizeof(ring)-1))
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struct xencons_interface {
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char in[1024];
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char out[2048];
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XENCONS_RING_IDX in_cons, in_prod;
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XENCONS_RING_IDX out_cons, out_prod;
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};
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#endif /* __XEN_PUBLIC_IO_CONSOLE_H__ */
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/*
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* Local variables:
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* mode: C
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* c-file-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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