IRQ_SET_AFFINITY_NOT(9) Public Functions Provided IRQ_SET_AFFINITY_NOT(9)NAME
irq_set_affinity_notifier - control notification of IRQ affinity changes
SYNOPSIS
int irq_set_affinity_notifier(unsigned int irq, struct irq_affinity_notify * notify);
ARGUMENTS
irq
Interrupt for which to enable/disable notification
notify
Context for notification, or NULL to disable notification. Function pointers must be initialised; the other fields will be initialised
by this function.
DESCRIPTION
Must be called in process context. Notification may only be enabled after the IRQ is allocated and must be disabled before the IRQ is freed
using free_irq.
AUTHORS
Thomas Gleixner <tglx@linutronix.de>
Author.
Ingo Molnar <mingo@elte.hu>
Author.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 IRQ_SET_AFFINITY_NOT(9)
Check Out this Related Man Page
STRUCT IRQ_DATA(9) Structures STRUCT IRQ_DATA(9)NAME
struct_irq_data - per irq and irq chip data passed down to chip functions
SYNOPSIS
struct irq_data {
unsigned int irq;
unsigned long hwirq;
unsigned int node;
unsigned int state_use_accessors;
struct irq_chip * chip;
struct irq_domain * domain;
void * handler_data;
void * chip_data;
struct msi_desc * msi_desc;
cpumask_var_t affinity;
};
MEMBERS
irq
interrupt number
hwirq
hardware interrupt number, local to the interrupt domain
node
node index useful for balancing
state_use_accessors
status information for irq chip functions. Use accessor functions to deal with it
chip
low level interrupt hardware access
domain
Interrupt translation domain; responsible for mapping between hwirq number and linux irq number.
handler_data
per-IRQ data for the irq_chip methods
chip_data
platform-specific per-chip private data for the chip methods, to allow shared chip implementations
msi_desc
MSI descriptor
affinity
IRQ affinity on SMP
DESCRIPTION
The fields here need to overlay the ones in irq_desc until we cleaned up the direct references and switched everything over to irq_data.
AUTHORS
Thomas Gleixner <tglx@linutronix.de>
Author.
Ingo Molnar <mingo@elte.hu>
Author.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 STRUCT IRQ_DATA(9)
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