arch/powerpc/sysdev/mpic.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 #ifndef _POWERPC_SYSDEV_MPIC_H
   3 #define _POWERPC_SYSDEV_MPIC_H
   4
   5 /*
   6  * Copyright 2006-2007, Michael Ellerman, IBM Corporation.
   7  */
   8
   9 #ifdef CONFIG_PCI_MSI
  10 extern void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq);
  11 extern int mpic_msi_init_allocator(struct mpic *mpic);
  12 extern int mpic_u3msi_init(struct mpic *mpic);
  13 #else
  14 static inline void mpic_msi_reserve_hwirq(struct mpic *mpic,
  15                                           irq_hw_number_t hwirq)
  16 {
  17         return;
  18 }
  19
  20 static inline int mpic_u3msi_init(struct mpic *mpic)
  21 {
  22         return -1;
  23 }
  24 #endif
  25
  26 #if defined(CONFIG_PCI_MSI) && defined(CONFIG_PPC_PASEMI)
  27 int mpic_pasemi_msi_init(struct mpic *mpic);
  28 #else
  29 static inline int mpic_pasemi_msi_init(struct mpic *mpic) { return -1; }
  30 #endif
  31
  32 extern int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type);
  33 extern void mpic_set_vector(unsigned int virq, unsigned int vector);
  34 extern int mpic_set_affinity(struct irq_data *d,
  35                              const struct cpumask *cpumask, bool force);
  36 extern void mpic_reset_core(int cpu);
  37
  38 #ifdef CONFIG_FSL_SOC
  39 extern int mpic_map_error_int(struct mpic *mpic, unsigned int virq, irq_hw_number_t  hw);
  40 extern void mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum);
  41 extern int mpic_setup_error_int(struct mpic *mpic, int intvec);
  42 #else
  43 static inline int mpic_map_error_int(struct mpic *mpic, unsigned int virq, irq_hw_number_t  hw)
  44 {
  45         return 0;
  46 }
  47
  48
  49 static inline void mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum)
  50 {
  51         return;
  52 }
  53
  54 static inline int mpic_setup_error_int(struct mpic *mpic, int intvec)
  55 {
  56         return -1;
  57 }
  58 #endif
  59
  60 #endif /* _POWERPC_SYSDEV_MPIC_H */