1. NAME▲

struct_irq_chip - hardware interrupt chip descriptor

2. SYNOPSIS ▲



 
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struct irq_chip {
  const char * name;
  unsigned int	(* irq_startup) (struct irq_data *data);
  void (* irq_shutdown) (struct irq_data *data);
  void (* irq_enable) (struct irq_data *data);
  void (* irq_disable) (struct irq_data *data);
  void (* irq_ack) (struct irq_data *data);
  void (* irq_mask) (struct irq_data *data);
  void (* irq_mask_ack) (struct irq_data *data);
  void (* irq_unmask) (struct irq_data *data);
  void (* irq_eoi) (struct irq_data *data);
  int (* irq_set_affinity) (struct irq_data *data, const struct cpumask *dest, bool force);
  int (* irq_retrigger) (struct irq_data *data);
  int (* irq_set_type) (struct irq_data *data, unsigned int flow_type);
  int (* irq_set_wake) (struct irq_data *data, unsigned int on);
  void (* irq_bus_lock) (struct irq_data *data);
  void (* irq_bus_sync_unlock) (struct irq_data *data);
  void (* irq_cpu_online) (struct irq_data *data);
  void (* irq_cpu_offline) (struct irq_data *data);
  void (* irq_suspend) (struct irq_data *data);
  void (* irq_resume) (struct irq_data *data);
  void (* irq_pm_shutdown) (struct irq_data *data);
  void (* irq_print_chip) (struct irq_data *data, struct seq_file *p);
  unsigned long flags;
};

3. MEMBERS ▲

name
    name for /proc/interrupts

irq_startup
    start up the interrupt (defaults to ->enable if NULL)

irq_shutdown
    shut down the interrupt (defaults to ->disable if NULL)

irq_enable
    enable the interrupt (defaults to chip->unmask if NULL)

irq_disable
    disable the interrupt

irq_ack
    start of a new interrupt

irq_mask
    mask an interrupt source

irq_mask_ack
    ack and mask an interrupt source

irq_unmask
    unmask an interrupt source

irq_eoi
    end of interrupt

irq_set_affinity
    set the CPU affinity on SMP machines

irq_retrigger
    resend an IRQ to the CPU

irq_set_type
    set the flow type (IRQ_TYPE_LEVEL/etc.) of an IRQ

irq_set_wake
    enable/disable power-management wake-on of an IRQ

irq_bus_lock
    function to lock access to slow bus (i2c) chips

irq_bus_sync_unlock
    function to sync and unlock slow bus (i2c) chips

irq_cpu_online
    configure an interrupt source for a secondary CPU

irq_cpu_offline
    un-configure an interrupt source for a secondary CPU

irq_suspend
    function called from core code on suspend once per chip

irq_resume
    function called from core code on resume once per chip

irq_pm_shutdown
    function called from core code on shutdown once per chip

irq_print_chip
    optional to print special chip info in show_interrupts

flags
    chip specific flags

4. AUTHORS ▲

Thomas Gleixner <>
    Author.

Ingo Molnar <>
    Author.

5. COPYRIGHT ▲