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_NOAUTOEN           = IRQ_NOAUTOEN,
  12         _IRQ_MOVE_PCNTXT        = IRQ_MOVE_PCNTXT,
  13         _IRQ_NO_BALANCING       = IRQ_NO_BALANCING,
  14         _IRQ_NESTED_THREAD      = IRQ_NESTED_THREAD,
  15         _IRQF_MODIFY_MASK       = IRQF_MODIFY_MASK,
  16 };
  17
  18 #define IRQ_INPROGRESS          GOT_YOU_MORON
  19 #define IRQ_REPLAY              GOT_YOU_MORON
  20 #define IRQ_WAITING             GOT_YOU_MORON
  21 #define IRQ_DISABLED            GOT_YOU_MORON
  22 #define IRQ_PENDING             GOT_YOU_MORON
  23 #define IRQ_MASKED              GOT_YOU_MORON
  24 #define IRQ_WAKEUP              GOT_YOU_MORON
  25 #define IRQ_MOVE_PENDING        GOT_YOU_MORON
  26 #define IRQ_PER_CPU             GOT_YOU_MORON
  27 #define IRQ_NO_BALANCING        GOT_YOU_MORON
  28 #define IRQ_AFFINITY_SET        GOT_YOU_MORON
  29 #define IRQ_LEVEL               GOT_YOU_MORON
  30 #define IRQ_NOPROBE             GOT_YOU_MORON
  31 #define IRQ_NOREQUEST           GOT_YOU_MORON
  32 #define IRQ_NOAUTOEN            GOT_YOU_MORON
  33 #define IRQ_NESTED_THREAD       GOT_YOU_MORON
  34 #undef IRQF_MODIFY_MASK
  35 #define IRQF_MODIFY_MASK        GOT_YOU_MORON
  36
  37 static inline void
  38 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
  39 {
  40         desc->status &= ~(clr & _IRQF_MODIFY_MASK);
  41         desc->status |= (set & _IRQF_MODIFY_MASK);
  42 }
  43
  44 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
  45 {
  46         return desc->status & _IRQ_PER_CPU;
  47 }
  48
  49 static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
  50 {
  51         desc->status |= _IRQ_PER_CPU;
  52 }
  53
  54 static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
  55 {
  56         desc->status |= _IRQ_NO_BALANCING;
  57 }
  58
  59 static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
  60 {
  61         return desc->status & _IRQ_NO_BALANCING;
  62 }
  63
  64 static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
  65 {
  66         return desc->status & IRQ_TYPE_SENSE_MASK;
  67 }
  68
  69 static inline void
  70 irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
  71 {
  72         desc->status &= ~IRQ_TYPE_SENSE_MASK;
  73         desc->status |= mask & IRQ_TYPE_SENSE_MASK;
  74 }
  75
  76 static inline bool irq_settings_is_level(struct irq_desc *desc)
  77 {
  78         return desc->status & _IRQ_LEVEL;
  79 }
  80
  81 static inline void irq_settings_clr_level(struct irq_desc *desc)
  82 {
  83         desc->status &= ~_IRQ_LEVEL;
  84 }
  85
  86 static inline void irq_settings_set_level(struct irq_desc *desc)
  87 {
  88         desc->status |= _IRQ_LEVEL;
  89 }
  90
  91 static inline bool irq_settings_can_request(struct irq_desc *desc)
  92 {
  93         return !(desc->status & _IRQ_NOREQUEST);
  94 }
  95
  96 static inline void irq_settings_clr_norequest(struct irq_desc *desc)
  97 {
  98         desc->status &= ~_IRQ_NOREQUEST;
  99 }
 100
 101 static inline void irq_settings_set_norequest(struct irq_desc *desc)
 102 {
 103         desc->status |= _IRQ_NOREQUEST;
 104 }
 105
 106 static inline bool irq_settings_can_probe(struct irq_desc *desc)
 107 {
 108         return !(desc->status & _IRQ_NOPROBE);
 109 }
 110
 111 static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
 112 {
 113         desc->status &= ~_IRQ_NOPROBE;
 114 }
 115
 116 static inline void irq_settings_set_noprobe(struct irq_desc *desc)
 117 {
 118         desc->status |= _IRQ_NOPROBE;
 119 }
 120
 121 static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
 122 {
 123         return desc->status & _IRQ_MOVE_PCNTXT;
 124 }
 125
 126 static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
 127 {
 128         return !(desc->status & _IRQ_NOAUTOEN);
 129 }
 130
 131 static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
 132 {
 133         return desc->status & _IRQ_NESTED_THREAD;
 134 }
 135
 136 /* Nothing should touch desc->status from now on */
 137 #undef status
 138 #define status          USE_THE_PROPER_WRAPPERS_YOU_MORON