source: mainline/kernel/arch/ia32/include/smp/smp.h@ 8ccd2ea

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 8ccd2ea was 623b49f1, checked in by Martin Decky <martin@…>, 18 years ago

fix signed/unsigned comparison and integer overflow

  • Property mode set to 100644
File size: 2.1 KB
Line 
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
40/** SMP config opertaions interface. */
41struct smp_config_operations {
42 count_t (* cpu_count)(void); /**< Return number of detected processors. */
43 bool (* cpu_enabled)(index_t i); /**< Check whether the processor of index i is enabled. */
44 bool (*cpu_bootstrap)(index_t i); /**< Check whether the processor of index i is BSP. */
45 uint8_t (*cpu_apic_id)(index_t i); /**< Return APIC ID of the processor of index i. */
46 int (*irq_to_pin)(unsigned int irq); /**< Return mapping between irq and APIC pin. */
47};
48
49extern int smp_irq_to_pin(unsigned int irq);
50
51#endif
52
53/** @}
54 */
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