Linux libmetal irq operations. More...

#include <pthread.h>
#include <sched.h>
#include <metal/device.h>
#include <metal/irq.h>
#include <metal/sys.h>
#include <metal/mutex.h>
#include <metal/list.h>
#include <metal/utilities.h>
#include <metal/alloc.h>
#include <sys/time.h>
#include <sys/eventfd.h>
#include <stdint.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <poll.h>

Data Structures
struct	metal_irq_hddesc

struct	metal_irqs_state

Macros
#define	MAX_IRQS FD_SETSIZE

#define	METAL_IRQ_STOP 0xFFFFFFFF

Functions
int	metal_irq_register (int irq, metal_irq_handler hd, struct metal_device dev, void drv_id)
	Register interrupt handler for driver ID/device. More...

int	metal_irq_unregister (int irq, metal_irq_handler hd, struct metal_device dev, void drv_id)
	Unregister interrupt handler for driver ID and/or device. More...

unsigned int	metal_irq_save_disable ()
	disable interrupts More...

void	metal_irq_restore_enable (unsigned flags)

void	metal_irq_enable (unsigned int vector)
	metal_irq_enable More...

void	metal_irq_disable (unsigned int vector)
	metal_irq_disable More...

static void *	metal_linux_irq_handling (void *args)
	IRQ handler. More...

int	metal_linux_irq_init ()
	irq handling initialization More...

void	metal_linux_irq_shutdown ()
	irq handling shutdown More...

Variables
struct metal_irqs_state	_irqs

Detailed Description

Linux libmetal irq operations.

Macro Definition Documentation

◆ MAX_IRQS

#define MAX_IRQS FD_SETSIZE

maximum number of irqs

◆ METAL_IRQ_STOP

#define METAL_IRQ_STOP 0xFFFFFFFF

stop interrupts handling thread

Function Documentation

◆ metal_irq_restore_enable()

void metal_irq_restore_enable ( unsigned flags )

◆ metal_linux_irq_handling()

static void* metal_linux_irq_handling ( void * args )

static

IRQ handler.

Parameters

[in] args not used. required for pthread.

< irq handler descriptor

< metal device IRQ belongs to

< flag to indicate if irq is handled

◆ metal_linux_irq_init()

int metal_linux_irq_init ( )

irq handling initialization

Returns: 0 on sucess, non-zero on failure

◆ metal_linux_irq_shutdown()

void metal_linux_irq_shutdown ( )

irq handling shutdown

Variable Documentation

◆ _irqs

struct metal_irqs_state _irqs

Data Structures

Macros

Functions

Variables