summaryrefslogtreecommitdiff
path: root/kernel/irq/settings.h
blob: 55ebe1e09da437851b8a5d569b1e6f42fb420c32 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
 * Internal header to deal with irq_desc->status which will be renamed
 * to irq_desc->settings.
 */
enum {
	_IRQ_DEFAULT_INIT_FLAGS	= IRQ_DEFAULT_INIT_FLAGS,
	_IRQ_PER_CPU		= IRQ_PER_CPU,
	_IRQ_LEVEL		= IRQ_LEVEL,
	_IRQ_NOPROBE		= IRQ_NOPROBE,
	_IRQ_NOREQUEST		= IRQ_NOREQUEST,
	_IRQ_NOAUTOEN		= IRQ_NOAUTOEN,
	_IRQ_MOVE_PCNTXT	= IRQ_MOVE_PCNTXT,
	_IRQ_NO_BALANCING	= IRQ_NO_BALANCING,
	_IRQ_NESTED_THREAD	= IRQ_NESTED_THREAD,
	_IRQF_MODIFY_MASK	= IRQF_MODIFY_MASK,
};

#define IRQ_INPROGRESS		GOT_YOU_MORON
#define IRQ_REPLAY		GOT_YOU_MORON
#define IRQ_WAITING		GOT_YOU_MORON
#define IRQ_DISABLED		GOT_YOU_MORON
#define IRQ_PENDING		GOT_YOU_MORON
#define IRQ_MASKED		GOT_YOU_MORON
#define IRQ_WAKEUP		GOT_YOU_MORON
#define IRQ_MOVE_PENDING	GOT_YOU_MORON
#define IRQ_PER_CPU		GOT_YOU_MORON
#define IRQ_NO_BALANCING	GOT_YOU_MORON
#define IRQ_AFFINITY_SET	GOT_YOU_MORON
#define IRQ_LEVEL		GOT_YOU_MORON
#define IRQ_NOPROBE		GOT_YOU_MORON
#define IRQ_NOREQUEST		GOT_YOU_MORON
#define IRQ_NOAUTOEN		GOT_YOU_MORON
#define IRQ_NESTED_THREAD	GOT_YOU_MORON
#undef IRQF_MODIFY_MASK
#define IRQF_MODIFY_MASK	GOT_YOU_MORON

static inline void
irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
{
	desc->status &= ~(clr & _IRQF_MODIFY_MASK);
	desc->status |= (set & _IRQF_MODIFY_MASK);
}

static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
{
	return desc->status & _IRQ_PER_CPU;
}

static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
{
	desc->status |= _IRQ_PER_CPU;
}

static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
{
	desc->status |= _IRQ_NO_BALANCING;
}

static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
{
	return desc->status & _IRQ_NO_BALANCING;
}

static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
{
	return desc->status & IRQ_TYPE_SENSE_MASK;
}

static inline void
irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
{
	desc->status &= ~IRQ_TYPE_SENSE_MASK;
	desc->status |= mask & IRQ_TYPE_SENSE_MASK;
}

static inline bool irq_settings_is_level(struct irq_desc *desc)
{
	return desc->status & _IRQ_LEVEL;
}

static inline void irq_settings_clr_level(struct irq_desc *desc)
{
	desc->status &= ~_IRQ_LEVEL;
}

static inline void irq_settings_set_level(struct irq_desc *desc)
{
	desc->status |= _IRQ_LEVEL;
}

static inline bool irq_settings_can_request(struct irq_desc *desc)
{
	return !(desc->status & _IRQ_NOREQUEST);
}

static inline void irq_settings_clr_norequest(struct irq_desc *desc)
{
	desc->status &= ~_IRQ_NOREQUEST;
}

static inline void irq_settings_set_norequest(struct irq_desc *desc)
{
	desc->status |= _IRQ_NOREQUEST;
}

static inline bool irq_settings_can_probe(struct irq_desc *desc)
{
	return !(desc->status & _IRQ_NOPROBE);
}

static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
{
	desc->status &= ~_IRQ_NOPROBE;
}

static inline void irq_settings_set_noprobe(struct irq_desc *desc)
{
	desc->status |= _IRQ_NOPROBE;
}

static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
{
	return desc->status & _IRQ_MOVE_PCNTXT;
}

static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
{
	return !(desc->status & _IRQ_NOAUTOEN);
}

static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
{
	return desc->status & _IRQ_NESTED_THREAD;
}

/* Nothing should touch desc->status from now on */
#define status		USE_THE_PROPER_WRAPPERS_YOU_MORON