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STRUCT IRQ_COMMON_DA(9) Structures STRUCT IRQ_COMMON_DA(9)

NAME

struct_irq_common_data - per irq data shared by all irqchips

SYNOPSIS

struct irq_common_data {
  unsigned int __private state_use_accessors;
#ifdef CONFIG_NUMA
  unsigned int node;
#endif
  void * handler_data;
  struct msi_desc * msi_desc;
  cpumask_var_t affinity;
#ifdef CONFIG_GENERIC_IRQ_IPI
  unsigned int ipi_offset;
#endif
};

MEMBERS

state_use_accessors
status information for irq chip functions. Use accessor functions to deal with it

node

node index useful for balancing

handler_data

per-IRQ data for the irq_chip methods

msi_desc

MSI descriptor

affinity

IRQ affinity on SMP. If this is an IPI related irq, then this is the mask of the CPUs to which an IPI can be sent.

ipi_offset

Offset of first IPI target cpu in affinity. Optional.

AUTHORS

Thomas Gleixner <tglx@linutronix.de>
Author.

Ingo Molnar <mingo@elte.hu>

Author.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.