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 _IRQ_RAW = IRQ_RAW,
22 _IRQF_MODIFY_MASK = IRQF_MODIFY_MASK,
23 };
24
25 #define IRQ_PER_CPU GOT_YOU_MORON
26 #define IRQ_NO_BALANCING GOT_YOU_MORON
27 #define IRQ_LEVEL GOT_YOU_MORON
28 #define IRQ_NOPROBE GOT_YOU_MORON
29 #define IRQ_NOREQUEST GOT_YOU_MORON
30 #define IRQ_NOTHREAD GOT_YOU_MORON
31 #define IRQ_NOAUTOEN GOT_YOU_MORON
32 #define IRQ_NESTED_THREAD GOT_YOU_MORON
33 #define IRQ_PER_CPU_DEVID GOT_YOU_MORON
34 #define IRQ_IS_POLLED GOT_YOU_MORON
35 #define IRQ_DISABLE_UNLAZY GOT_YOU_MORON
36 #define IRQ_HIDDEN GOT_YOU_MORON
37 #define IRQ_RAW GOT_YOU_MORON
38 #undef IRQF_MODIFY_MASK
39 #define IRQF_MODIFY_MASK GOT_YOU_MORON
40
41 static inline void
__irq_settings_clr_and_set(struct irq_desc * desc,u32 clr,u32 set,u32 mask)42 __irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set, u32 mask)
43 {
44 desc->status_use_accessors &= ~(clr & mask);
45 desc->status_use_accessors |= (set & mask);
46 }
47
48 static inline void
irq_settings_clr_and_set(struct irq_desc * desc,u32 clr,u32 set)49 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
50 {
51 __irq_settings_clr_and_set(desc, clr, set, _IRQF_MODIFY_MASK);
52 }
53
irq_settings_is_per_cpu(struct irq_desc * desc)54 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
55 {
56 return desc->status_use_accessors & _IRQ_PER_CPU;
57 }
58
irq_settings_is_per_cpu_devid(struct irq_desc * desc)59 static inline bool irq_settings_is_per_cpu_devid(struct irq_desc *desc)
60 {
61 return desc->status_use_accessors & _IRQ_PER_CPU_DEVID;
62 }
63
irq_settings_set_per_cpu(struct irq_desc * desc)64 static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
65 {
66 desc->status_use_accessors |= _IRQ_PER_CPU;
67 }
68
irq_settings_set_no_balancing(struct irq_desc * desc)69 static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
70 {
71 desc->status_use_accessors |= _IRQ_NO_BALANCING;
72 }
73
irq_settings_has_no_balance_set(struct irq_desc * desc)74 static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
75 {
76 return desc->status_use_accessors & _IRQ_NO_BALANCING;
77 }
78
irq_settings_get_trigger_mask(struct irq_desc * desc)79 static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
80 {
81 return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
82 }
83
84 static inline void
irq_settings_set_trigger_mask(struct irq_desc * desc,u32 mask)85 irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
86 {
87 desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
88 desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
89 }
90
irq_settings_is_level(struct irq_desc * desc)91 static inline bool irq_settings_is_level(struct irq_desc *desc)
92 {
93 return desc->status_use_accessors & _IRQ_LEVEL;
94 }
95
irq_settings_clr_level(struct irq_desc * desc)96 static inline void irq_settings_clr_level(struct irq_desc *desc)
97 {
98 desc->status_use_accessors &= ~_IRQ_LEVEL;
99 }
100
irq_settings_set_level(struct irq_desc * desc)101 static inline void irq_settings_set_level(struct irq_desc *desc)
102 {
103 desc->status_use_accessors |= _IRQ_LEVEL;
104 }
105
irq_settings_can_request(struct irq_desc * desc)106 static inline bool irq_settings_can_request(struct irq_desc *desc)
107 {
108 return !(desc->status_use_accessors & _IRQ_NOREQUEST);
109 }
110
irq_settings_clr_norequest(struct irq_desc * desc)111 static inline void irq_settings_clr_norequest(struct irq_desc *desc)
112 {
113 desc->status_use_accessors &= ~_IRQ_NOREQUEST;
114 }
115
irq_settings_set_norequest(struct irq_desc * desc)116 static inline void irq_settings_set_norequest(struct irq_desc *desc)
117 {
118 desc->status_use_accessors |= _IRQ_NOREQUEST;
119 }
120
irq_settings_can_thread(struct irq_desc * desc)121 static inline bool irq_settings_can_thread(struct irq_desc *desc)
122 {
123 return !(desc->status_use_accessors & _IRQ_NOTHREAD);
124 }
125
irq_settings_clr_nothread(struct irq_desc * desc)126 static inline void irq_settings_clr_nothread(struct irq_desc *desc)
127 {
128 desc->status_use_accessors &= ~_IRQ_NOTHREAD;
129 }
130
irq_settings_set_nothread(struct irq_desc * desc)131 static inline void irq_settings_set_nothread(struct irq_desc *desc)
132 {
133 desc->status_use_accessors |= _IRQ_NOTHREAD;
134 }
135
irq_settings_can_probe(struct irq_desc * desc)136 static inline bool irq_settings_can_probe(struct irq_desc *desc)
137 {
138 return !(desc->status_use_accessors & _IRQ_NOPROBE);
139 }
140
irq_settings_clr_noprobe(struct irq_desc * desc)141 static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
142 {
143 desc->status_use_accessors &= ~_IRQ_NOPROBE;
144 }
145
irq_settings_set_noprobe(struct irq_desc * desc)146 static inline void irq_settings_set_noprobe(struct irq_desc *desc)
147 {
148 desc->status_use_accessors |= _IRQ_NOPROBE;
149 }
150
irq_settings_can_move_pcntxt(struct irq_desc * desc)151 static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
152 {
153 return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
154 }
155
irq_settings_can_autoenable(struct irq_desc * desc)156 static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
157 {
158 return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
159 }
160
irq_settings_is_nested_thread(struct irq_desc * desc)161 static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
162 {
163 return desc->status_use_accessors & _IRQ_NESTED_THREAD;
164 }
165
irq_settings_is_polled(struct irq_desc * desc)166 static inline bool irq_settings_is_polled(struct irq_desc *desc)
167 {
168 return desc->status_use_accessors & _IRQ_IS_POLLED;
169 }
170
irq_settings_disable_unlazy(struct irq_desc * desc)171 static inline bool irq_settings_disable_unlazy(struct irq_desc *desc)
172 {
173 return desc->status_use_accessors & _IRQ_DISABLE_UNLAZY;
174 }
175
irq_settings_clr_disable_unlazy(struct irq_desc * desc)176 static inline void irq_settings_clr_disable_unlazy(struct irq_desc *desc)
177 {
178 desc->status_use_accessors &= ~_IRQ_DISABLE_UNLAZY;
179 }
180
irq_settings_is_hidden(struct irq_desc * desc)181 static inline bool irq_settings_is_hidden(struct irq_desc *desc)
182 {
183 return desc->status_use_accessors & _IRQ_HIDDEN;
184 }
185
irq_settings_is_raw(struct irq_desc * desc)186 static inline bool irq_settings_is_raw(struct irq_desc *desc)
187 {
188 if (IS_ENABLED(CONFIG_ARCH_WANTS_IRQ_RAW))
189 return desc->status_use_accessors & _IRQ_RAW;
190
191 /*
192 * Using IRQ_RAW on architectures that don't expect it is
193 * likely to be wrong.
194 */
195 WARN_ON_ONCE(1);
196 return false;
197 }
198