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chardev: Reduce "char-mux.h" scope, rename it "chardev-internal.h"

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Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200423202112.644-5-philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-04-23 22:21:09 +02:00 • committed by Marc-André Lureau
parent c383efd50a
commit ffa0f7eb57
4 changed files with 7 additions and 6 deletions
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62
chardev/chardev-internal.h Normal file
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/*
* QEMU Character device internals
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef CHARDEV_INTERNAL_H
#define CHARDEV_INTERNAL_H
#include "chardev/char.h"
#include "chardev/char-fe.h"
#define MAX_MUX 4
#define MUX_BUFFER_SIZE 32 /* Must be a power of 2. */
#define MUX_BUFFER_MASK (MUX_BUFFER_SIZE - 1)
typedef struct MuxChardev {
Chardev parent;
CharBackend *backends[MAX_MUX];
CharBackend chr;
int focus;
int mux_cnt;
int term_got_escape;
int max_size;
/* Intermediate input buffer catches escape sequences even if the
currently active device is not accepting any input - but only until it
is full as well. */
unsigned char buffer[MAX_MUX][MUX_BUFFER_SIZE];
int prod[MAX_MUX];
int cons[MAX_MUX];
int timestamps;
/* Protected by the Chardev chr_write_lock. */
int linestart;
int64_t timestamps_start;
} MuxChardev;
#define MUX_CHARDEV(obj) OBJECT_CHECK(MuxChardev, (obj), TYPE_CHARDEV_MUX)
#define CHARDEV_IS_MUX(chr) \
object_dynamic_cast(OBJECT(chr), TYPE_CHARDEV_MUX)
void mux_set_focus(Chardev *chr, int focus);
void mux_chr_send_all_event(Chardev *chr, QEMUChrEvent event);
#endif /* CHAR_MUX_H */