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         _IRQF_MODIFY_MASK       = IRQF_MODIFY_MASK,
  17 };
  18
  19 #define IRQ_PER_CPU             GOT_YOU_MORON
  20 #define IRQ_NO_BALANCING        GOT_YOU_MORON
  21 #define IRQ_LEVEL               GOT_YOU_MORON
  22 #define IRQ_NOPROBE             GOT_YOU_MORON
  23 #define IRQ_NOREQUEST           GOT_YOU_MORON
  24 #define IRQ_NOTHREAD            GOT_YOU_MORON
  25 #define IRQ_NOAUTOEN            GOT_YOU_MORON
  26 #define IRQ_NESTED_THREAD       GOT_YOU_MORON
  27 #undef IRQF_MODIFY_MASK
  28 #define IRQF_MODIFY_MASK        GOT_YOU_MORON
  29
  30 static inline void
  31 irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
  32 {
  33         desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
  34         desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
  35 }
  36
  37 static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
  38 {
  39         return desc->status_use_accessors & _IRQ_PER_CPU;
  40 }
  41
  42 static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
  43 {
  44         desc->status_use_accessors |= _IRQ_PER_CPU;
  45 }
  46
  47 static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
  48 {
  49         desc->status_use_accessors |= _IRQ_NO_BALANCING;
  50 }
  51
  52 static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
  53 {
  54         return desc->status_use_accessors & _IRQ_NO_BALANCING;
  55 }
  56
  57 static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
  58 {
  59         return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
  60 }
  61
  62 static inline void
  63 irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
  64 {
  65         desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
  66         desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
  67 }
  68
  69 static inline bool irq_settings_is_level(struct irq_desc *desc)
  70 {
  71         return desc->status_use_accessors & _IRQ_LEVEL;
  72 }
  73
  74 static inline void irq_settings_clr_level(struct irq_desc *desc)
  75 {
  76         desc->status_use_accessors &= ~_IRQ_LEVEL;
  77 }
  78
  79 static inline void irq_settings_set_level(struct irq_desc *desc)
  80 {
  81         desc->status_use_accessors |= _IRQ_LEVEL;
  82 }
  83
  84 static inline bool irq_settings_can_request(struct irq_desc *desc)
  85 {
  86         return !(desc->status_use_accessors & _IRQ_NOREQUEST);
  87 }
  88
  89 static inline void irq_settings_clr_norequest(struct irq_desc *desc)
  90 {
  91         desc->status_use_accessors &= ~_IRQ_NOREQUEST;
  92 }
  93
  94 static inline void irq_settings_set_norequest(struct irq_desc *desc)
  95 {
  96         desc->status_use_accessors |= _IRQ_NOREQUEST;
  97 }
  98
  99 static inline bool irq_settings_can_thread(struct irq_desc *desc)
 100 {
 101         return !(desc->status_use_accessors & _IRQ_NOTHREAD);
 102 }
 103
 104 static inline void irq_settings_clr_nothread(struct irq_desc *desc)
 105 {
 106         desc->status_use_accessors &= ~_IRQ_NOTHREAD;
 107 }
 108
 109 static inline void irq_settings_set_nothread(struct irq_desc *desc)
 110 {
 111         desc->status_use_accessors |= _IRQ_NOTHREAD;
 112 }
 113
 114 static inline bool irq_settings_can_probe(struct irq_desc *desc)
 115 {
 116         return !(desc->status_use_accessors & _IRQ_NOPROBE);
 117 }
 118
 119 static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
 120 {
 121         desc->status_use_accessors &= ~_IRQ_NOPROBE;
 122 }
 123
 124 static inline void irq_settings_set_noprobe(struct irq_desc *desc)
 125 {
 126         desc->status_use_accessors |= _IRQ_NOPROBE;
 127 }
 128
 129 static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
 130 {
 131         return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
 132 }
 133
 134 static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
 135 {
 136         return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
 137 }
 138
 139 static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
 140 {
 141         return desc->status_use_accessors & _IRQ_NESTED_THREAD;
 142 }