This source file includes following definitions.
- set_softint
- clear_softint
- get_softint
1
2
3
4
5
6
7
8 #ifndef _SPARC64_IRQ_H
9 #define _SPARC64_IRQ_H
10
11 #include <linux/linkage.h>
12 #include <linux/kernel.h>
13 #include <linux/errno.h>
14 #include <linux/interrupt.h>
15 #include <asm/pil.h>
16 #include <asm/ptrace.h>
17
18
19 #define IMAP_VALID 0x80000000UL
20 #define IMAP_TID_UPA 0x7c000000UL
21 #define IMAP_TID_JBUS 0x7c000000UL
22 #define IMAP_TID_SHIFT 26
23 #define IMAP_AID_SAFARI 0x7c000000UL
24 #define IMAP_AID_SHIFT 26
25 #define IMAP_NID_SAFARI 0x03e00000UL
26 #define IMAP_NID_SHIFT 21
27 #define IMAP_IGN 0x000007c0UL
28 #define IMAP_INO 0x0000003fUL
29 #define IMAP_INR 0x000007ffUL
30
31 #define ICLR_IDLE 0x00000000UL
32 #define ICLR_TRANSMIT 0x00000001UL
33 #define ICLR_PENDING 0x00000003UL
34
35
36
37
38
39
40
41 #define NR_IRQS (2048)
42
43 void irq_install_pre_handler(int irq,
44 void (*func)(unsigned int, void *, void *),
45 void *arg1, void *arg2);
46 #define irq_canonicalize(irq) (irq)
47 unsigned int build_irq(int inofixup, unsigned long iclr, unsigned long imap);
48 unsigned int sun4v_build_irq(u32 devhandle, unsigned int devino);
49 unsigned int sun4v_build_virq(u32 devhandle, unsigned int devino);
50 unsigned int sun4v_build_msi(u32 devhandle, unsigned int *irq_p,
51 unsigned int msi_devino_start,
52 unsigned int msi_devino_end);
53 void sun4v_destroy_msi(unsigned int irq);
54 unsigned int sun4u_build_msi(u32 portid, unsigned int *irq_p,
55 unsigned int msi_devino_start,
56 unsigned int msi_devino_end,
57 unsigned long imap_base,
58 unsigned long iclr_base);
59 void sun4u_destroy_msi(unsigned int irq);
60
61 unsigned int irq_alloc(unsigned int dev_handle, unsigned int dev_ino);
62 void irq_free(unsigned int irq);
63
64 void __init init_IRQ(void);
65 void fixup_irqs(void);
66
67 static inline void set_softint(unsigned long bits)
68 {
69 __asm__ __volatile__("wr %0, 0x0, %%set_softint"
70 :
71 : "r" (bits));
72 }
73
74 static inline void clear_softint(unsigned long bits)
75 {
76 __asm__ __volatile__("wr %0, 0x0, %%clear_softint"
77 :
78 : "r" (bits));
79 }
80
81 static inline unsigned long get_softint(void)
82 {
83 unsigned long retval;
84
85 __asm__ __volatile__("rd %%softint, %0"
86 : "=r" (retval));
87 return retval;
88 }
89
90 void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
91 bool exclude_self);
92 #define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
93
94 extern void *hardirq_stack[NR_CPUS];
95 extern void *softirq_stack[NR_CPUS];
96 #define __ARCH_HAS_DO_SOFTIRQ
97
98 #define NO_IRQ 0xffffffff
99
100 #endif