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  1. /*
  2.  * Copyright (C) 2006 Ondrej Palkovsky
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #ifndef __IRQ_H__
  30. #define __IRQ_H__
  31.  
  32. #define IRQ_MAX_PROG_SIZE 10
  33.  
  34. typedef enum {
  35.     CMD_MEM_READ_1 = 0,
  36.     CMD_MEM_READ_2,
  37.     CMD_MEM_READ_4,
  38.     CMD_MEM_READ_8,
  39.     CMD_MEM_WRITE_1,
  40.     CMD_MEM_WRITE_2,
  41.     CMD_MEM_WRITE_4,
  42.     CMD_MEM_WRITE_8,
  43.     CMD_PORT_READ_1,
  44.     CMD_PORT_WRITE_1,
  45.     CMD_LAST
  46. } irq_cmd_type;
  47.  
  48. typedef struct {
  49.     irq_cmd_type cmd;
  50.     void *addr;
  51.     unsigned long long value;
  52. } irq_cmd_t;
  53.  
  54. typedef struct {
  55.     unsigned int cmdcount;
  56.     irq_cmd_t *cmds;
  57. } irq_code_t;
  58.  
  59. #ifdef KERNEL
  60.  
  61. extern void ipc_irq_make_table(int irqcount);
  62. extern int ipc_irq_register(answerbox_t *box, int irq, irq_code_t *ucode);
  63. extern void ipc_irq_send_notif(int irq);
  64. extern void ipc_irq_unregister(answerbox_t *box, int irq);
  65. extern void irq_ipc_bind_arch(__native irq);
  66. extern void ipc_irq_cleanup(answerbox_t *box);
  67.  
  68. #endif
  69.  
  70. #endif
  71.