LXR qemu/include/hw/or-irq.h

   1/*
   2 * QEMU IRQ/GPIO common code.
   3 *
   4 * Copyright (c) 2016 Alistair Francis <alistair@alistair23.me>.
   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 deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * 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
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24
  25#ifndef HW_OR_IRQ_H
  26#define HW_OR_IRQ_H
  27
  28#include "hw/sysbus.h"
  29#include "qom/object.h"
  30
  31#define TYPE_OR_IRQ "or-irq"
  32
  33/* This can safely be increased if necessary without breaking
  34 * migration compatibility (as long as it remains greater than 15).
  35 */
  36#define MAX_OR_LINES      32
  37
  38typedef struct OrIRQState qemu_or_irq;
  39
  40#define OR_IRQ(obj) OBJECT_CHECK(qemu_or_irq, (obj), TYPE_OR_IRQ)
  41
  42struct OrIRQState {
  43    DeviceState parent_obj;
  44
  45    qemu_irq out_irq;
  46    bool levels[MAX_OR_LINES];
  47    uint16_t num_lines;
  48};
  49
  50#endif
  51