diff options
Diffstat (limited to 'include/linux/irq.h')
| -rw-r--r-- | include/linux/irq.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h index 27a67536511e..ca507c9426b0 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -17,9 +17,12 @@ #include <linux/cache.h> #include <linux/spinlock.h> #include <linux/cpumask.h> +#include <linux/gfp.h> #include <linux/irqreturn.h> #include <linux/irqnr.h> #include <linux/errno.h> +#include <linux/topology.h> +#include <linux/wait.h> #include <asm/irq.h> #include <asm/ptrace.h> @@ -65,6 +68,7 @@ typedef void (*irq_flow_handler_t)(unsigned int irq, #define IRQ_SPURIOUS_DISABLED 0x00800000 /* IRQ was disabled by the spurious trap */ #define IRQ_MOVE_PCNTXT 0x01000000 /* IRQ migration from process context */ #define IRQ_AFFINITY_SET 0x02000000 /* IRQ affinity was set from userspace*/ +#define IRQ_SUSPENDED 0x04000000 /* IRQ has gone through suspend sequence */ #ifdef CONFIG_IRQ_PER_CPU # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU) @@ -155,17 +159,17 @@ struct irq_2_iommu; * @affinity: IRQ affinity on SMP * @cpu: cpu index useful for balancing * @pending_mask: pending rebalanced interrupts + * @threads_active: number of irqaction threads currently running + * @wait_for_threads: wait queue for sync_irq to wait for threaded handlers * @dir: /proc/irq/ procfs entry * @name: flow handler name for /proc/interrupts output */ struct irq_desc { unsigned int irq; -#ifdef CONFIG_SPARSE_IRQ struct timer_rand_state *timer_rand_state; unsigned int *kstat_irqs; -# ifdef CONFIG_INTR_REMAP +#ifdef CONFIG_INTR_REMAP struct irq_2_iommu *irq_2_iommu; -# endif #endif irq_flow_handler_t handle_irq; struct irq_chip *chip; @@ -188,6 +192,8 @@ struct irq_desc { cpumask_var_t pending_mask; #endif #endif + atomic_t threads_active; + wait_queue_head_t wait_for_threads; #ifdef CONFIG_PROC_FS struct proc_dir_entry *dir; #endif @@ -202,12 +208,6 @@ extern void arch_free_chip_data(struct irq_desc *old_desc, struct irq_desc *desc extern struct irq_desc irq_desc[NR_IRQS]; #else /* CONFIG_SPARSE_IRQ */ extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu); - -#define kstat_irqs_this_cpu(DESC) \ - ((DESC)->kstat_irqs[smp_processor_id()]) -#define kstat_incr_irqs_this_cpu(irqno, DESC) \ - ((DESC)->kstat_irqs[smp_processor_id()]++) - #endif /* CONFIG_SPARSE_IRQ */ extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu); @@ -226,7 +226,6 @@ irq_remap_to_desc(unsigned int irq, struct irq_desc *desc) * Migration helpers for obsolete names, they will go away: */ #define hw_interrupt_type irq_chip -typedef struct irq_chip hw_irq_controller; #define no_irq_type no_irq_chip typedef struct irq_desc irq_desc_t; @@ -236,6 +235,7 @@ typedef struct irq_desc irq_desc_t; #include <asm/hw_irq.h> extern int setup_irq(unsigned int irq, struct irqaction *new); +extern void remove_irq(unsigned int irq, struct irqaction *act); #ifdef CONFIG_GENERIC_HARDIRQS @@ -280,7 +280,7 @@ static inline int irq_balancing_disabled(unsigned int irq) } /* Handle irq action chains: */ -extern int handle_IRQ_event(unsigned int irq, struct irqaction *action); +extern irqreturn_t handle_IRQ_event(unsigned int irq, struct irqaction *action); /* * Built-in IRQ handlers for various IRQ types, @@ -325,7 +325,7 @@ static inline void generic_handle_irq(unsigned int irq) /* Handling of unhandled and spurious interrupts: */ extern void note_interrupt(unsigned int irq, struct irq_desc *desc, - int action_ret); + irqreturn_t action_ret); /* Resending of interrupts :*/ void check_irq_resend(struct irq_desc *desc, unsigned int irq); |