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