genirq: fix regression in irqfixup, irqpoll
[linux-2.6.git] / kernel / irq / settings.h
1 /*
2  * Internal header to deal with irq_desc->status which will be renamed
3  * to irq_desc->settings.
4  */
5 enum {
6         _IRQ_DEFAULT_INIT_FLAGS = IRQ_DEFAULT_INIT_FLAGS,
7         _IRQ_PER_CPU            = IRQ_PER_CPU,
8         _IRQ_LEVEL              = IRQ_LEVEL,
9         _IRQ_NOPROBE            = IRQ_NOPROBE,
10         _IRQ_NOREQUEST          = IRQ_NOREQUEST,
11         _IRQ_NOTHREAD           = IRQ_NOTHREAD,
12         _IRQ_NOAUTOEN           = IRQ_NOAUTOEN,
13         _IRQ_MOVE_PCNTXT        = IRQ_MOVE_PCNTXT,
14         _IRQ_NO_BALANCING       = IRQ_NO_BALANCING,
15         _IRQ_NESTED_THREAD      = IRQ_NESTED_THREAD,
16         _IRQF_MODIFY_MASK       = IRQF_MODIFY_MASK,
17 };
18
19 #define IRQ_PER_CPU             GOT_YOU_MORON
20 #define IRQ_NO_BALANCING        GOT_YOU_MORON
21 #define IRQ_LEVEL               GOT_YOU_MORON
22 #define IRQ_NOPROBE             GOT_YOU_MORON
23 #define IRQ_NOREQUEST           GOT_YOU_MORON
24 #define IRQ_NOTHREAD            GOT_YOU_MORON
25 #define IRQ_NOAUTOEN            GOT_YOU_MORON
26 #define IRQ_NESTED_THREAD       GOT_YOU_MORON
27 #undef IRQF_MODIFY_MASK
28 #define IRQF_MODIFY_MASK        GOT_YOU_MORON
29
30 static inline void
31 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
32 {
33         desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
34         desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
35 }
36
37 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
38 {
39         return desc->status_use_accessors & _IRQ_PER_CPU;
40 }
41
42 static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
43 {
44         desc->status_use_accessors |= _IRQ_PER_CPU;
45 }
46
47 static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
48 {
49         desc->status_use_accessors |= _IRQ_NO_BALANCING;
50 }
51
52 static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
53 {
54         return desc->status_use_accessors & _IRQ_NO_BALANCING;
55 }
56
57 static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
58 {
59         return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
60 }
61
62 static inline void
63 irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
64 {
65         desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
66         desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
67 }
68
69 static inline bool irq_settings_is_level(struct irq_desc *desc)
70 {
71         return desc->status_use_accessors & _IRQ_LEVEL;
72 }
73
74 static inline void irq_settings_clr_level(struct irq_desc *desc)
75 {
76         desc->status_use_accessors &= ~_IRQ_LEVEL;
77 }
78
79 static inline void irq_settings_set_level(struct irq_desc *desc)
80 {
81         desc->status_use_accessors |= _IRQ_LEVEL;
82 }
83
84 static inline bool irq_settings_can_request(struct irq_desc *desc)
85 {
86         return !(desc->status_use_accessors & _IRQ_NOREQUEST);
87 }
88
89 static inline void irq_settings_clr_norequest(struct irq_desc *desc)
90 {
91         desc->status_use_accessors &= ~_IRQ_NOREQUEST;
92 }
93
94 static inline void irq_settings_set_norequest(struct irq_desc *desc)
95 {
96         desc->status_use_accessors |= _IRQ_NOREQUEST;
97 }
98
99 static inline bool irq_settings_can_thread(struct irq_desc *desc)
100 {
101         return !(desc->status_use_accessors & _IRQ_NOTHREAD);
102 }
103
104 static inline void irq_settings_clr_nothread(struct irq_desc *desc)
105 {
106         desc->status_use_accessors &= ~_IRQ_NOTHREAD;
107 }
108
109 static inline void irq_settings_set_nothread(struct irq_desc *desc)
110 {
111         desc->status_use_accessors |= _IRQ_NOTHREAD;
112 }
113
114 static inline bool irq_settings_can_probe(struct irq_desc *desc)
115 {
116         return !(desc->status_use_accessors & _IRQ_NOPROBE);
117 }
118
119 static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
120 {
121         desc->status_use_accessors &= ~_IRQ_NOPROBE;
122 }
123
124 static inline void irq_settings_set_noprobe(struct irq_desc *desc)
125 {
126         desc->status_use_accessors |= _IRQ_NOPROBE;
127 }
128
129 static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
130 {
131         return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
132 }
133
134 static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
135 {
136         return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
137 }
138
139 static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
140 {
141         return desc->status_use_accessors & _IRQ_NESTED_THREAD;
142 }