kernel/arch/ia32/include/smp/smp.h

   1 /*
   2  * Copyright (c) 2005 Jakub Jermar
   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 ia32
  30  * @{
  31  */
  32 /** @file
  33  */
  34
  35 #ifndef KERN_ia32_SMP_H_
  36 #define KERN_ia32_SMP_H_
  37
  38 #include <arch/types.h>
  39 #include <typedefs.h>
  40
  41 /** SMP config opertaions interface. */
  42 struct smp_config_operations {
  43         count_t (* cpu_count)(void);            /**< Return number of detected processors. */
  44         bool (* cpu_enabled)(index_t i);        /**< Check whether the processor of index i is enabled. */
  45         bool (*cpu_bootstrap)(index_t i);       /**< Check whether the processor of index i is BSP. */
  46         uint8_t (*cpu_apic_id)(index_t i);              /**< Return APIC ID of the processor of index i. */
  47         int (*irq_to_pin)(int irq);             /**< Return mapping between irq and APIC pin. */
  48 };
  49
  50 extern int smp_irq_to_pin(int irq);
  51
  52 #endif
  53
  54 /** @}
  55  */