xref: /openbmc/linux/arch/powerpc/sysdev/mpic.h (revision 8730046c)
1 #ifndef _POWERPC_SYSDEV_MPIC_H
2 #define _POWERPC_SYSDEV_MPIC_H
3 
4 /*
5  * Copyright 2006-2007, Michael Ellerman, IBM Corporation.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; version 2 of the
10  * License.
11  *
12  */
13 
14 #ifdef CONFIG_PCI_MSI
15 extern void mpic_msi_reserve_hwirq(struct mpic *mpic, irq_hw_number_t hwirq);
16 extern int mpic_msi_init_allocator(struct mpic *mpic);
17 extern int mpic_u3msi_init(struct mpic *mpic);
18 #else
19 static inline void mpic_msi_reserve_hwirq(struct mpic *mpic,
20 					  irq_hw_number_t hwirq)
21 {
22 	return;
23 }
24 
25 static inline int mpic_u3msi_init(struct mpic *mpic)
26 {
27 	return -1;
28 }
29 #endif
30 
31 #if defined(CONFIG_PCI_MSI) && defined(CONFIG_PPC_PASEMI)
32 int mpic_pasemi_msi_init(struct mpic *mpic);
33 #else
34 static inline int mpic_pasemi_msi_init(struct mpic *mpic) { return -1; }
35 #endif
36 
37 extern int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type);
38 extern void mpic_set_vector(unsigned int virq, unsigned int vector);
39 extern int mpic_set_affinity(struct irq_data *d,
40 			     const struct cpumask *cpumask, bool force);
41 extern void mpic_reset_core(int cpu);
42 
43 #ifdef CONFIG_FSL_SOC
44 extern int mpic_map_error_int(struct mpic *mpic, unsigned int virq, irq_hw_number_t  hw);
45 extern void mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum);
46 extern int mpic_setup_error_int(struct mpic *mpic, int intvec);
47 #else
48 static inline int mpic_map_error_int(struct mpic *mpic, unsigned int virq, irq_hw_number_t  hw)
49 {
50 	return 0;
51 }
52 
53 
54 static inline void mpic_err_int_init(struct mpic *mpic, irq_hw_number_t irqnum)
55 {
56 	return;
57 }
58 
59 static inline int mpic_setup_error_int(struct mpic *mpic, int intvec)
60 {
61 	return -1;
62 }
63 #endif
64 
65 #endif /* _POWERPC_SYSDEV_MPIC_H */
66