Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / kernel / irq / settings.h

diff --git a/kernel/kernel/irq/settings.h b/kernel/kernel/irq/settings.h
new file mode 100644 (file)
index 0000000..34b803b
--- /dev/null
+++ b/kernel/kernel/irq/settings.h
@@ -0,0 +1,168 @@
+/*
+ * Internal header to deal with irq_desc->status which will be renamed
+ * to irq_desc->settings.
+ */
+enum {
+       _IRQ_DEFAULT_INIT_FLAGS = IRQ_DEFAULT_INIT_FLAGS,
+       _IRQ_PER_CPU            = IRQ_PER_CPU,
+       _IRQ_LEVEL              = IRQ_LEVEL,
+       _IRQ_NOPROBE            = IRQ_NOPROBE,
+       _IRQ_NOREQUEST          = IRQ_NOREQUEST,
+       _IRQ_NOTHREAD           = IRQ_NOTHREAD,
+       _IRQ_NOAUTOEN           = IRQ_NOAUTOEN,
+       _IRQ_MOVE_PCNTXT        = IRQ_MOVE_PCNTXT,
+       _IRQ_NO_BALANCING       = IRQ_NO_BALANCING,
+       _IRQ_NESTED_THREAD      = IRQ_NESTED_THREAD,
+       _IRQ_PER_CPU_DEVID      = IRQ_PER_CPU_DEVID,
+       _IRQ_IS_POLLED          = IRQ_IS_POLLED,
+       _IRQ_NO_SOFTIRQ_CALL    = IRQ_NO_SOFTIRQ_CALL,
+       _IRQF_MODIFY_MASK       = IRQF_MODIFY_MASK,
+};
+
+#define IRQ_PER_CPU            GOT_YOU_MORON
+#define IRQ_NO_BALANCING       GOT_YOU_MORON
+#define IRQ_LEVEL              GOT_YOU_MORON
+#define IRQ_NOPROBE            GOT_YOU_MORON
+#define IRQ_NOREQUEST          GOT_YOU_MORON
+#define IRQ_NOTHREAD           GOT_YOU_MORON
+#define IRQ_NOAUTOEN           GOT_YOU_MORON
+#define IRQ_NESTED_THREAD      GOT_YOU_MORON
+#define IRQ_PER_CPU_DEVID      GOT_YOU_MORON
+#define IRQ_IS_POLLED          GOT_YOU_MORON
+#define IRQ_NO_SOFTIRQ_CALL    GOT_YOU_MORON
+#undef IRQF_MODIFY_MASK
+#define IRQF_MODIFY_MASK       GOT_YOU_MORON
+
+static inline void
+irq_settings_clr_and_set(struct irq_desc *desc, u32 clr, u32 set)
+{
+       desc->status_use_accessors &= ~(clr & _IRQF_MODIFY_MASK);
+       desc->status_use_accessors |= (set & _IRQF_MODIFY_MASK);
+}
+
+static inline bool irq_settings_no_softirq_call(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_NO_SOFTIRQ_CALL;
+}
+
+static inline void irq_settings_set_no_softirq_call(struct irq_desc *desc)
+{
+       desc->status_use_accessors |= _IRQ_NO_SOFTIRQ_CALL;
+}
+
+static inline bool irq_settings_is_per_cpu(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_PER_CPU;
+}
+
+static inline bool irq_settings_is_per_cpu_devid(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_PER_CPU_DEVID;
+}
+
+static inline void irq_settings_set_per_cpu(struct irq_desc *desc)
+{
+       desc->status_use_accessors |= _IRQ_PER_CPU;
+}
+
+static inline void irq_settings_set_no_balancing(struct irq_desc *desc)
+{
+       desc->status_use_accessors |= _IRQ_NO_BALANCING;
+}
+
+static inline bool irq_settings_has_no_balance_set(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_NO_BALANCING;
+}
+
+static inline u32 irq_settings_get_trigger_mask(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & IRQ_TYPE_SENSE_MASK;
+}
+
+static inline void
+irq_settings_set_trigger_mask(struct irq_desc *desc, u32 mask)
+{
+       desc->status_use_accessors &= ~IRQ_TYPE_SENSE_MASK;
+       desc->status_use_accessors |= mask & IRQ_TYPE_SENSE_MASK;
+}
+
+static inline bool irq_settings_is_level(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_LEVEL;
+}
+
+static inline void irq_settings_clr_level(struct irq_desc *desc)
+{
+       desc->status_use_accessors &= ~_IRQ_LEVEL;
+}
+
+static inline void irq_settings_set_level(struct irq_desc *desc)
+{
+       desc->status_use_accessors |= _IRQ_LEVEL;
+}
+
+static inline bool irq_settings_can_request(struct irq_desc *desc)
+{
+       return !(desc->status_use_accessors & _IRQ_NOREQUEST);
+}
+
+static inline void irq_settings_clr_norequest(struct irq_desc *desc)
+{
+       desc->status_use_accessors &= ~_IRQ_NOREQUEST;
+}
+
+static inline void irq_settings_set_norequest(struct irq_desc *desc)
+{
+       desc->status_use_accessors |= _IRQ_NOREQUEST;
+}
+
+static inline bool irq_settings_can_thread(struct irq_desc *desc)
+{
+       return !(desc->status_use_accessors & _IRQ_NOTHREAD);
+}
+
+static inline void irq_settings_clr_nothread(struct irq_desc *desc)
+{
+       desc->status_use_accessors &= ~_IRQ_NOTHREAD;
+}
+
+static inline void irq_settings_set_nothread(struct irq_desc *desc)
+{
+       desc->status_use_accessors |= _IRQ_NOTHREAD;
+}
+
+static inline bool irq_settings_can_probe(struct irq_desc *desc)
+{
+       return !(desc->status_use_accessors & _IRQ_NOPROBE);
+}
+
+static inline void irq_settings_clr_noprobe(struct irq_desc *desc)
+{
+       desc->status_use_accessors &= ~_IRQ_NOPROBE;
+}
+
+static inline void irq_settings_set_noprobe(struct irq_desc *desc)
+{
+       desc->status_use_accessors |= _IRQ_NOPROBE;
+}
+
+static inline bool irq_settings_can_move_pcntxt(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_MOVE_PCNTXT;
+}
+
+static inline bool irq_settings_can_autoenable(struct irq_desc *desc)
+{
+       return !(desc->status_use_accessors & _IRQ_NOAUTOEN);
+}
+
+static inline bool irq_settings_is_nested_thread(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_NESTED_THREAD;
+}
+
+static inline bool irq_settings_is_polled(struct irq_desc *desc)
+{
+       return desc->status_use_accessors & _IRQ_IS_POLLED;
+}