minix/lib/syslib/sys_irqctl.c
2005-04-21 14:53:53 +00:00

30 lines
994 B
C

#include "syslib.h"
/*===========================================================================*
* sys_irqctl *
*===========================================================================*/
PUBLIC int sys_irqctl(req, irq_vec, policy, proc_nr, port, val_ptr, mask_val)
int req; /* IRQ control request */
int irq_vec; /* IRQ vector to control */
int policy; /* bit mask for policy flags */
int proc_nr; /* process number to notify */
long port; /* port to read or write */
void *val_ptr; /* address store value read */
long mask_val; /* strobe mask or value to write */
{
message m_irq;
int s;
m_irq.m_type = SYS_IRQCTL;
m_irq.IRQ_REQUEST = req;
m_irq.IRQ_VECTOR = irq_vec;
m_irq.IRQ_POLICY = policy;
m_irq.IRQ_PROC_NR = proc_nr;
m_irq.IRQ_PORT = port;
m_irq.IRQ_VIR_ADDR = (vir_bytes) val_ptr;
m_irq.IRQ_MASK_VAL = mask_val;
return _taskcall(SYSTASK, SYS_IRQCTL, &m_irq);
}