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awilliam
GitHub Repository: awilliam/linux-vfio
Path: blob/master/kernel/irq/settings.h
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/*
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* Internal header to deal with irq_desc->status which will be renamed
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* to irq_desc->settings.
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*/
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enum {
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_IRQ_DEFAULT_INIT_FLAGS = IRQ_DEFAULT_INIT_FLAGS,
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_IRQ_PER_CPU = IRQ_PER_CPU,
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_IRQ_LEVEL = IRQ_LEVEL,
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_IRQ_NOPROBE = IRQ_NOPROBE,
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_IRQ_NOREQUEST = IRQ_NOREQUEST,
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_IRQ_NOTHREAD = IRQ_NOTHREAD,
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_IRQ_NOAUTOEN = IRQ_NOAUTOEN,
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_IRQ_MOVE_PCNTXT = IRQ_MOVE_PCNTXT,
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_IRQ_NO_BALANCING = IRQ_NO_BALANCING,
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_IRQ_NESTED_THREAD = IRQ_NESTED_THREAD,
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_IRQF_MODIFY_MASK = IRQF_MODIFY_MASK,
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};
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#define IRQ_PER_CPU GOT_YOU_MORON
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#define IRQ_NO_BALANCING GOT_YOU_MORON
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#define IRQ_LEVEL GOT_YOU_MORON
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#define IRQ_NOPROBE GOT_YOU_MORON
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#define IRQ_NOREQUEST GOT_YOU_MORON
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#define IRQ_NOTHREAD GOT_YOU_MORON
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#define IRQ_NOAUTOEN GOT_YOU_MORON
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#define IRQ_NESTED_THREAD GOT_YOU_MORON
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#undef IRQF_MODIFY_MASK
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#define IRQF_MODIFY_MASK GOT_YOU_MORON
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static inline void
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irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
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{
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desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
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desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
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}
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static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
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{
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return desc->status_use_accessors & _IRQ_PER_CPU;
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}
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static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
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{
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desc->status_use_accessors |= _IRQ_PER_CPU;
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}
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static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
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{
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desc->status_use_accessors |= _IRQ_NO_BALANCING;
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}
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static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
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{
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return desc->status_use_accessors & _IRQ_NO_BALANCING;
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}
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static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
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{
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return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
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}
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static inline void
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irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
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{
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desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
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desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
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}
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static inline bool irq_settings_is_level(struct irq_desc *desc)
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{
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return desc->status_use_accessors & _IRQ_LEVEL;
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}
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static inline void irq_settings_clr_level(struct irq_desc *desc)
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{
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desc->status_use_accessors &= ~_IRQ_LEVEL;
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}
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static inline void irq_settings_set_level(struct irq_desc *desc)
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{
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desc->status_use_accessors |= _IRQ_LEVEL;
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}
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static inline bool irq_settings_can_request(struct irq_desc *desc)
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{
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return !(desc->status_use_accessors & _IRQ_NOREQUEST);
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}
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static inline void irq_settings_clr_norequest(struct irq_desc *desc)
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{
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desc->status_use_accessors &= ~_IRQ_NOREQUEST;
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}
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static inline void irq_settings_set_norequest(struct irq_desc *desc)
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{
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desc->status_use_accessors |= _IRQ_NOREQUEST;
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}
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static inline bool irq_settings_can_thread(struct irq_desc *desc)
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{
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return !(desc->status_use_accessors & _IRQ_NOTHREAD);
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}
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static inline void irq_settings_clr_nothread(struct irq_desc *desc)
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{
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desc->status_use_accessors &= ~_IRQ_NOTHREAD;
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}
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static inline void irq_settings_set_nothread(struct irq_desc *desc)
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{
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desc->status_use_accessors |= _IRQ_NOTHREAD;
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}
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static inline bool irq_settings_can_probe(struct irq_desc *desc)
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{
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return !(desc->status_use_accessors & _IRQ_NOPROBE);
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}
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static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
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{
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desc->status_use_accessors &= ~_IRQ_NOPROBE;
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}
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static inline void irq_settings_set_noprobe(struct irq_desc *desc)
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{
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desc->status_use_accessors |= _IRQ_NOPROBE;
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}
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static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
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{
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return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
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}
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static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
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{
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return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
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}
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static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
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{
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return desc->status_use_accessors & _IRQ_NESTED_THREAD;
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}
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