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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 KERN_IPC_IRQ_H_
  36. #define KERN_IPC_IRQ_H_
  37.  
  38. /** Maximum length of IPC IRQ program */
  39. #define IRQ_MAX_PROG_SIZE   20
  40.  
  41. #include <ipc/ipc.h>
  42. #include <ddi/irq.h>
  43. #include <arch/types.h>
  44. #include <adt/list.h>
  45.  
  46. extern int ipc_irq_register(answerbox_t *, inr_t, devno_t, unative_t,
  47.     irq_code_t *);
  48.  
  49. extern irq_ownership_t ipc_irq_top_half_claim(irq_t *);
  50. extern void ipc_irq_top_half_handler(irq_t *);
  51.  
  52. extern int ipc_irq_unregister(answerbox_t *, inr_t, devno_t);
  53. extern void ipc_irq_cleanup(answerbox_t *);
  54.  
  55. /*
  56.  * User friendly wrappers for ipc_irq_send_msg(). They are in the form
  57.  * ipc_irq_send_msg_m(), where m is the number of payload arguments.
  58.  */
  59. #define ipc_irq_send_msg_0(irq) \
  60.     ipc_irq_send_msg((irq), 0, 0, 0, 0, 0)
  61. #define ipc_irq_send_msg_1(irq, a1) \
  62.     ipc_irq_send_msg((irq), (a1), 0, 0, 0, 0)
  63. #define ipc_irq_send_msg_2(irq, a1, a2) \
  64.     ipc_irq_send_msg((irq), (a1), (a2), 0, 0, 0)
  65. #define ipc_irq_send_msg_3(irq, a1, a2, a3) \
  66.     ipc_irq_send_msg((irq), (a1), (a2), (a3), 0, 0)
  67. #define ipc_irq_send_msg_4(irq, a1, a2, a3, a4) \
  68.     ipc_irq_send_msg((irq), (a1), (a2), (a3), (a4), 0)
  69. #define ipc_irq_send_msg_5(irq, a1, a2, a3, a4, a5) \
  70.     ipc_irq_send_msg((irq), (a1), (a2), (a3), (a4), (a5))
  71.  
  72. extern void ipc_irq_send_msg(irq_t *, unative_t, unative_t, unative_t, unative_t,
  73.     unative_t);
  74.  
  75. #endif
  76.  
  77. /** @}
  78.  */
  79.