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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.  /** @addtogroup genericipc
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef __IRQ_H__
  36. #define __IRQ_H__
  37.  
  38. /** Maximum length of IPC IRQ program */
  39. #define IRQ_MAX_PROG_SIZE 10
  40.  
  41. /** Reserved 'virtual' messages for kernel notifications */
  42. #define IPC_IRQ_RESERVED_VIRTUAL 10
  43.  
  44. #define IPC_IRQ_KLOG       (-1)
  45. #define IPC_IRQ_KBDRESTART (-2)
  46.  
  47. typedef enum {
  48.     CMD_MEM_READ_1 = 0,
  49.     CMD_MEM_READ_2,
  50.     CMD_MEM_READ_4,
  51.     CMD_MEM_READ_8,
  52.     CMD_MEM_WRITE_1,
  53.     CMD_MEM_WRITE_2,
  54.     CMD_MEM_WRITE_4,
  55.     CMD_MEM_WRITE_8,
  56.     CMD_PORT_READ_1,
  57.     CMD_PORT_WRITE_1,
  58.     CMD_IA64_GETCHAR,
  59.     CMD_PPC32_GETCHAR,
  60.     CMD_LAST
  61. } irq_cmd_type;
  62.  
  63. typedef struct {
  64.     irq_cmd_type cmd;
  65.     void *addr;
  66.     unsigned long long value;
  67.     int dstarg;
  68. } irq_cmd_t;
  69.  
  70. typedef struct {
  71.     unsigned int cmdcount;
  72.     irq_cmd_t *cmds;
  73. } irq_code_t;
  74.  
  75. #ifdef KERNEL
  76.  
  77. #include <ipc/ipc.h>
  78.  
  79. extern void ipc_irq_make_table(int irqcount);
  80. extern int ipc_irq_register(answerbox_t *box, int irq, irq_code_t *ucode);
  81. extern void ipc_irq_send_notif(int irq);
  82. extern void ipc_irq_send_msg(int irq, __native a1, __native a2, __native a3);
  83. extern void ipc_irq_unregister(answerbox_t *box, int irq);
  84. extern void irq_ipc_bind_arch(__native irq);
  85. extern void ipc_irq_cleanup(answerbox_t *box);
  86.  
  87. #endif
  88.  
  89. #endif
  90.  
  91.  /** @}
  92.  */
  93.  
  94.