irq.h 1.0 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #ifndef _ASM_IA64_IRQ_H
  3. #define _ASM_IA64_IRQ_H
  4. /*
  5. * Copyright (C) 1999-2000, 2002 Hewlett-Packard Co
  6. * David Mosberger-Tang <davidm@hpl.hp.com>
  7. * Stephane Eranian <eranian@hpl.hp.com>
  8. *
  9. * 11/24/98 S.Eranian updated TIMER_IRQ and irq_canonicalize
  10. * 01/20/99 S.Eranian added keyboard interrupt
  11. * 02/29/00 D.Mosberger moved most things into hw_irq.h
  12. */
  13. #include <linux/types.h>
  14. #include <linux/cpumask.h>
  15. #include <generated/nr-irqs.h>
  16. static __inline__ int
  17. irq_canonicalize (int irq)
  18. {
  19. /*
  20. * We do the legacy thing here of pretending that irqs < 16
  21. * are 8259 irqs. This really shouldn't be necessary at all,
  22. * but we keep it here as serial.c still uses it...
  23. */
  24. return ((irq == 2) ? 9 : irq);
  25. }
  26. extern void set_irq_affinity_info (unsigned int irq, int dest, int redir);
  27. bool is_affinity_mask_valid(const struct cpumask *cpumask);
  28. #define is_affinity_mask_valid is_affinity_mask_valid
  29. int create_irq(void);
  30. void destroy_irq(unsigned int irq);
  31. #endif /* _ASM_IA64_IRQ_H */