xref: /linux/kernel/irq/settings.h (revision b6ebbac51bedf9e98e837688bc838f400196da5e)
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 	_IRQ_PER_CPU_DEVID	= IRQ_PER_CPU_DEVID,
17 	_IRQ_IS_POLLED		= IRQ_IS_POLLED,
18 	_IRQ_DISABLE_UNLAZY	= IRQ_DISABLE_UNLAZY,
19 	_IRQF_MODIFY_MASK	= IRQF_MODIFY_MASK,
20 };
21 
22 #define IRQ_PER_CPU		GOT_YOU_MORON
23 #define IRQ_NO_BALANCING	GOT_YOU_MORON
24 #define IRQ_LEVEL		GOT_YOU_MORON
25 #define IRQ_NOPROBE		GOT_YOU_MORON
26 #define IRQ_NOREQUEST		GOT_YOU_MORON
27 #define IRQ_NOTHREAD		GOT_YOU_MORON
28 #define IRQ_NOAUTOEN		GOT_YOU_MORON
29 #define IRQ_NESTED_THREAD	GOT_YOU_MORON
30 #define IRQ_PER_CPU_DEVID	GOT_YOU_MORON
31 #define IRQ_IS_POLLED		GOT_YOU_MORON
32 #define IRQ_DISABLE_UNLAZY	GOT_YOU_MORON
33 #undef IRQF_MODIFY_MASK
34 #define IRQF_MODIFY_MASK	GOT_YOU_MORON
35 
36 static inline void
37 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
38 {
39 	desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
40 	desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
41 }
42 
43 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
44 {
45 	return desc->status_use_accessors & _IRQ_PER_CPU;
46 }
47 
48 static inline bool irq_settings_is_per_cpu_devid(struct irq_desc *desc)
49 {
50 	return desc->status_use_accessors & _IRQ_PER_CPU_DEVID;
51 }
52 
53 static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
54 {
55 	desc->status_use_accessors |= _IRQ_PER_CPU;
56 }
57 
58 static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
59 {
60 	desc->status_use_accessors |= _IRQ_NO_BALANCING;
61 }
62 
63 static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
64 {
65 	return desc->status_use_accessors & _IRQ_NO_BALANCING;
66 }
67 
68 static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
69 {
70 	return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
71 }
72 
73 static inline void
74 irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
75 {
76 	desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
77 	desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
78 }
79 
80 static inline bool irq_settings_is_level(struct irq_desc *desc)
81 {
82 	return desc->status_use_accessors & _IRQ_LEVEL;
83 }
84 
85 static inline void irq_settings_clr_level(struct irq_desc *desc)
86 {
87 	desc->status_use_accessors &= ~_IRQ_LEVEL;
88 }
89 
90 static inline void irq_settings_set_level(struct irq_desc *desc)
91 {
92 	desc->status_use_accessors |= _IRQ_LEVEL;
93 }
94 
95 static inline bool irq_settings_can_request(struct irq_desc *desc)
96 {
97 	return !(desc->status_use_accessors & _IRQ_NOREQUEST);
98 }
99 
100 static inline void irq_settings_clr_norequest(struct irq_desc *desc)
101 {
102 	desc->status_use_accessors &= ~_IRQ_NOREQUEST;
103 }
104 
105 static inline void irq_settings_set_norequest(struct irq_desc *desc)
106 {
107 	desc->status_use_accessors |= _IRQ_NOREQUEST;
108 }
109 
110 static inline bool irq_settings_can_thread(struct irq_desc *desc)
111 {
112 	return !(desc->status_use_accessors & _IRQ_NOTHREAD);
113 }
114 
115 static inline void irq_settings_clr_nothread(struct irq_desc *desc)
116 {
117 	desc->status_use_accessors &= ~_IRQ_NOTHREAD;
118 }
119 
120 static inline void irq_settings_set_nothread(struct irq_desc *desc)
121 {
122 	desc->status_use_accessors |= _IRQ_NOTHREAD;
123 }
124 
125 static inline bool irq_settings_can_probe(struct irq_desc *desc)
126 {
127 	return !(desc->status_use_accessors & _IRQ_NOPROBE);
128 }
129 
130 static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
131 {
132 	desc->status_use_accessors &= ~_IRQ_NOPROBE;
133 }
134 
135 static inline void irq_settings_set_noprobe(struct irq_desc *desc)
136 {
137 	desc->status_use_accessors |= _IRQ_NOPROBE;
138 }
139 
140 static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
141 {
142 	return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
143 }
144 
145 static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
146 {
147 	return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
148 }
149 
150 static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
151 {
152 	return desc->status_use_accessors & _IRQ_NESTED_THREAD;
153 }
154 
155 static inline bool irq_settings_is_polled(struct irq_desc *desc)
156 {
157 	return desc->status_use_accessors & _IRQ_IS_POLLED;
158 }
159 
160 static inline bool irq_settings_disable_unlazy(struct irq_desc *desc)
161 {
162 	return desc->status_use_accessors & _IRQ_DISABLE_UNLAZY;
163 }
164 
165 static inline void irq_settings_clr_disable_unlazy(struct irq_desc *desc)
166 {
167 	desc->status_use_accessors &= ~_IRQ_DISABLE_UNLAZY;
168 }
169