/*
* adf_isr_resource_alloc
* Allocate the required ISR services.
*/
int adf_isr_resource_alloc(icp_accel_dev_t *accel_dev)
{
int status = SUCCESS, flags = 0;
/* setup bottom half handlers */
adf_setup_bh(accel_dev);
adf_setup_pf2vf_bh(accel_dev);
/* Try to enable MSIX or MSI mode */
status = adf_enable_msi(&accel_dev->pciAccelDev);
if( SUCCESS != status ) {
ADF_ERROR("failed request_irq %d, status=%d\n",
accel_dev->pciAccelDev.irq, status);
}
if (accel_dev->pciAccelDev.irq) {
status = request_irq(accel_dev->pciAccelDev.irq,
adf_isr,
flags, adf_driver_name,
(void*)accel_dev);
if( SUCCESS != status ) {
ADF_ERROR("failed request_irq %d, status=%d\n",
accel_dev->pciAccelDev.irq, status);
adf_isr_resource_free(accel_dev);
}
}
return status;
}
/**
* adf_vf_isr_resource_alloc() - Allocate IRQ for acceleration device
* @accel_dev: Pointer to acceleration device.
*
* Function allocates interrupts for acceleration device virtual function.
*
* Return: 0 on success, error code otherwise.
*/
int adf_vf_isr_resource_alloc(struct adf_accel_dev *accel_dev)
{
if (adf_enable_msi(accel_dev))
goto err_out;
if (adf_setup_pf2vf_bh(accel_dev))
goto err_out;
if (adf_setup_bh(accel_dev))
goto err_out;
if (adf_request_msi_irq(accel_dev))
goto err_out;
return 0;
err_out:
adf_vf_isr_resource_free(accel_dev);
return -EFAULT;
}