kernel/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         _IRQ_PER_CPU_DEVID      = IRQ_PER_CPU_DEVID,
  17         _IRQ_IS_POLLED          = IRQ_IS_POLLED,
  18         _IRQ_DISABLE_UNLAZY     = IRQ_DISABLE_UNLAZY,
  19         _IRQ_NO_SOFTIRQ_CALL    = IRQ_NO_SOFTIRQ_CALL,
  20         _IRQF_MODIFY_MASK       = IRQF_MODIFY_MASK,
  21 };
  22
  23 #define IRQ_PER_CPU             GOT_YOU_MORON
  24 #define IRQ_NO_BALANCING        GOT_YOU_MORON
  25 #define IRQ_LEVEL               GOT_YOU_MORON
  26 #define IRQ_NOPROBE             GOT_YOU_MORON
  27 #define IRQ_NOREQUEST           GOT_YOU_MORON
  28 #define IRQ_NOTHREAD            GOT_YOU_MORON
  29 #define IRQ_NOAUTOEN            GOT_YOU_MORON
  30 #define IRQ_NESTED_THREAD       GOT_YOU_MORON
  31 #define IRQ_PER_CPU_DEVID       GOT_YOU_MORON
  32 #define IRQ_IS_POLLED           GOT_YOU_MORON
  33 #define IRQ_DISABLE_UNLAZY      GOT_YOU_MORON
  34 #define IRQ_NO_SOFTIRQ_CALL     GOT_YOU_MORON
  35 #undef IRQF_MODIFY_MASK
  36 #define IRQF_MODIFY_MASK        GOT_YOU_MORON
  37
  38 static inline void
  39 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
  40 {
  41         desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
  42         desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
  43 }
  44
  45 static inline bool irq_settings_no_softirq_call(struct irq_desc *desc)
  46 {
  47         return desc->status_use_accessors & _IRQ_NO_SOFTIRQ_CALL;
  48 }
  49
  50 static inline void irq_settings_set_no_softirq_call(struct irq_desc *desc)
  51 {
  52         desc->status_use_accessors |= _IRQ_NO_SOFTIRQ_CALL;
  53 }
  54
  55 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
  56 {
  57         return desc->status_use_accessors & _IRQ_PER_CPU;
  58 }
  59
  60 static inline bool irq_settings_is_per_cpu_devid(struct irq_desc *desc)
  61 {
  62         return desc->status_use_accessors & _IRQ_PER_CPU_DEVID;
  63 }
  64
  65 static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
  66 {
  67         desc->status_use_accessors |= _IRQ_PER_CPU;
  68 }
  69
  70 static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
  71 {
  72         desc->status_use_accessors |= _IRQ_NO_BALANCING;
  73 }
  74
  75 static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
  76 {
  77         return desc->status_use_accessors & _IRQ_NO_BALANCING;
  78 }
  79
  80 static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
  81 {
  82         return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
  83 }
  84
  85 static inline void
  86 irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
  87 {
  88         desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
  89         desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
  90 }
  91
  92 static inline bool irq_settings_is_level(struct irq_desc *desc)
  93 {
  94         return desc->status_use_accessors & _IRQ_LEVEL;
  95 }
  96
  97 static inline void irq_settings_clr_level(struct irq_desc *desc)
  98 {
  99         desc->status_use_accessors &= ~_IRQ_LEVEL;
 100 }
 101
 102 static inline void irq_settings_set_level(struct irq_desc *desc)
 103 {
 104         desc->status_use_accessors |= _IRQ_LEVEL;
 105 }
 106
 107 static inline bool irq_settings_can_request(struct irq_desc *desc)
 108 {
 109         return !(desc->status_use_accessors & _IRQ_NOREQUEST);
 110 }
 111
 112 static inline void irq_settings_clr_norequest(struct irq_desc *desc)
 113 {
 114         desc->status_use_accessors &= ~_IRQ_NOREQUEST;
 115 }
 116
 117 static inline void irq_settings_set_norequest(struct irq_desc *desc)
 118 {
 119         desc->status_use_accessors |= _IRQ_NOREQUEST;
 120 }
 121
 122 static inline bool irq_settings_can_thread(struct irq_desc *desc)
 123 {
 124         return !(desc->status_use_accessors & _IRQ_NOTHREAD);
 125 }
 126
 127 static inline void irq_settings_clr_nothread(struct irq_desc *desc)
 128 {
 129         desc->status_use_accessors &= ~_IRQ_NOTHREAD;
 130 }
 131
 132 static inline void irq_settings_set_nothread(struct irq_desc *desc)
 133 {
 134         desc->status_use_accessors |= _IRQ_NOTHREAD;
 135 }
 136
 137 static inline bool irq_settings_can_probe(struct irq_desc *desc)
 138 {
 139         return !(desc->status_use_accessors & _IRQ_NOPROBE);
 140 }
 141
 142 static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
 143 {
 144         desc->status_use_accessors &= ~_IRQ_NOPROBE;
 145 }
 146
 147 static inline void irq_settings_set_noprobe(struct irq_desc *desc)
 148 {
 149         desc->status_use_accessors |= _IRQ_NOPROBE;
 150 }
 151
 152 static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
 153 {
 154         return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
 155 }
 156
 157 static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
 158 {
 159         return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
 160 }
 161
 162 static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
 163 {
 164         return desc->status_use_accessors & _IRQ_NESTED_THREAD;
 165 }
 166
 167 static inline bool irq_settings_is_polled(struct irq_desc *desc)
 168 {
 169         return desc->status_use_accessors & _IRQ_IS_POLLED;
 170 }
 171
 172 static inline bool irq_settings_disable_unlazy(struct irq_desc *desc)
 173 {
 174         return desc->status_use_accessors & _IRQ_DISABLE_UNLAZY;
 175 }
 176
 177 static inline void irq_settings_clr_disable_unlazy(struct irq_desc *desc)
 178 {
 179         desc->status_use_accessors &= ~_IRQ_DISABLE_UNLAZY;
 180 }