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