xref: /linux/kernel/irq/settings.h (revision 18ca45f5ba1e31704bcca038b8b612e9b1f52b4f)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Internal header to deal with irq_desc->status which will be renamed
4  * to irq_desc->settings.
5  */
6 enum {
7 	_IRQ_DEFAULT_INIT_FLAGS	= IRQ_DEFAULT_INIT_FLAGS,
8 	_IRQ_PER_CPU		= IRQ_PER_CPU,
9 	_IRQ_LEVEL		= IRQ_LEVEL,
10 	_IRQ_NOPROBE		= IRQ_NOPROBE,
11 	_IRQ_NOREQUEST		= IRQ_NOREQUEST,
12 	_IRQ_NOTHREAD		= IRQ_NOTHREAD,
13 	_IRQ_NOAUTOEN		= IRQ_NOAUTOEN,
14 	_IRQ_MOVE_PCNTXT	= IRQ_MOVE_PCNTXT,
15 	_IRQ_NO_BALANCING	= IRQ_NO_BALANCING,
16 	_IRQ_NESTED_THREAD	= IRQ_NESTED_THREAD,
17 	_IRQ_PER_CPU_DEVID	= IRQ_PER_CPU_DEVID,
18 	_IRQ_IS_POLLED		= IRQ_IS_POLLED,
19 	_IRQ_DISABLE_UNLAZY	= IRQ_DISABLE_UNLAZY,
20 	_IRQ_HIDDEN		= IRQ_HIDDEN,
21 	_IRQF_MODIFY_MASK	= IRQF_MODIFY_MASK,
22 };
23 
24 #define IRQ_PER_CPU		GOT_YOU_MORON
25 #define IRQ_NO_BALANCING	GOT_YOU_MORON
26 #define IRQ_LEVEL		GOT_YOU_MORON
27 #define IRQ_NOPROBE		GOT_YOU_MORON
28 #define IRQ_NOREQUEST		GOT_YOU_MORON
29 #define IRQ_NOTHREAD		GOT_YOU_MORON
30 #define IRQ_NOAUTOEN		GOT_YOU_MORON
31 #define IRQ_NESTED_THREAD	GOT_YOU_MORON
32 #define IRQ_PER_CPU_DEVID	GOT_YOU_MORON
33 #define IRQ_IS_POLLED		GOT_YOU_MORON
34 #define IRQ_DISABLE_UNLAZY	GOT_YOU_MORON
35 #define IRQ_HIDDEN		GOT_YOU_MORON
36 #undef IRQF_MODIFY_MASK
37 #define IRQF_MODIFY_MASK	GOT_YOU_MORON
38 
39 static inline void
40 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
41 {
42 	desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
43 	desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
44 }
45 
46 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
47 {
48 	return desc->status_use_accessors & _IRQ_PER_CPU;
49 }
50 
51 static inline bool irq_settings_is_per_cpu_devid(struct irq_desc *desc)
52 {
53 	return desc->status_use_accessors & _IRQ_PER_CPU_DEVID;
54 }
55 
56 static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
57 {
58 	desc->status_use_accessors |= _IRQ_PER_CPU;
59 }
60 
61 static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
62 {
63 	desc->status_use_accessors |= _IRQ_NO_BALANCING;
64 }
65 
66 static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
67 {
68 	return desc->status_use_accessors & _IRQ_NO_BALANCING;
69 }
70 
71 static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
72 {
73 	return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
74 }
75 
76 static inline void
77 irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
78 {
79 	desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
80 	desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
81 }
82 
83 static inline bool irq_settings_is_level(struct irq_desc *desc)
84 {
85 	return desc->status_use_accessors & _IRQ_LEVEL;
86 }
87 
88 static inline void irq_settings_clr_level(struct irq_desc *desc)
89 {
90 	desc->status_use_accessors &= ~_IRQ_LEVEL;
91 }
92 
93 static inline void irq_settings_set_level(struct irq_desc *desc)
94 {
95 	desc->status_use_accessors |= _IRQ_LEVEL;
96 }
97 
98 static inline bool irq_settings_can_request(struct irq_desc *desc)
99 {
100 	return !(desc->status_use_accessors & _IRQ_NOREQUEST);
101 }
102 
103 static inline void irq_settings_clr_norequest(struct irq_desc *desc)
104 {
105 	desc->status_use_accessors &= ~_IRQ_NOREQUEST;
106 }
107 
108 static inline void irq_settings_set_norequest(struct irq_desc *desc)
109 {
110 	desc->status_use_accessors |= _IRQ_NOREQUEST;
111 }
112 
113 static inline bool irq_settings_can_thread(struct irq_desc *desc)
114 {
115 	return !(desc->status_use_accessors & _IRQ_NOTHREAD);
116 }
117 
118 static inline void irq_settings_clr_nothread(struct irq_desc *desc)
119 {
120 	desc->status_use_accessors &= ~_IRQ_NOTHREAD;
121 }
122 
123 static inline void irq_settings_set_nothread(struct irq_desc *desc)
124 {
125 	desc->status_use_accessors |= _IRQ_NOTHREAD;
126 }
127 
128 static inline bool irq_settings_can_probe(struct irq_desc *desc)
129 {
130 	return !(desc->status_use_accessors & _IRQ_NOPROBE);
131 }
132 
133 static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
134 {
135 	desc->status_use_accessors &= ~_IRQ_NOPROBE;
136 }
137 
138 static inline void irq_settings_set_noprobe(struct irq_desc *desc)
139 {
140 	desc->status_use_accessors |= _IRQ_NOPROBE;
141 }
142 
143 static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
144 {
145 	return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
146 }
147 
148 static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
149 {
150 	return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
151 }
152 
153 static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
154 {
155 	return desc->status_use_accessors & _IRQ_NESTED_THREAD;
156 }
157 
158 static inline bool irq_settings_is_polled(struct irq_desc *desc)
159 {
160 	return desc->status_use_accessors & _IRQ_IS_POLLED;
161 }
162 
163 static inline bool irq_settings_disable_unlazy(struct irq_desc *desc)
164 {
165 	return desc->status_use_accessors & _IRQ_DISABLE_UNLAZY;
166 }
167 
168 static inline void irq_settings_clr_disable_unlazy(struct irq_desc *desc)
169 {
170 	desc->status_use_accessors &= ~_IRQ_DISABLE_UNLAZY;
171 }
172 
173 static inline bool irq_settings_is_hidden(struct irq_desc *desc)
174 {
175 	return desc->status_use_accessors & _IRQ_HIDDEN;
176 }
177