void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
unsigned int error_interrupt_enable,
unsigned int error_interrupt_offset)
{
vnic_wq_init_start(wq, cq_index, 0, 0,
error_interrupt_enable,
error_interrupt_offset);
}
void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index,
unsigned int error_interrupt_enable,
unsigned int error_interrupt_offset)
{
vnic_wq_init_start(wq, cq_index, 0, 0,
error_interrupt_enable,
error_interrupt_offset);
wq->last_completed_index = 0;
}
int vnic_dev_init_devcmd2(struct vnic_dev *vdev)
{
int err;
unsigned int fetch_index;
if (vdev->devcmd2)
return 0;
vdev->devcmd2 = kzalloc(sizeof(*vdev->devcmd2), GFP_ATOMIC);
if (!vdev->devcmd2)
return -ENOMEM;
vdev->devcmd2->color = 1;
vdev->devcmd2->result_size = DEVCMD2_RING_SIZE;
err = vnic_wq_devcmd2_alloc(vdev, &vdev->devcmd2->wq,
DEVCMD2_RING_SIZE, DEVCMD2_DESC_SIZE);
if (err)
goto err_free_devcmd2;
fetch_index = ioread32(&vdev->devcmd2->wq.ctrl->fetch_index);
if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */
pr_err("error in devcmd2 init");
return -ENODEV;
}
/*
* Don't change fetch_index ever and
* set posted_index same as fetch_index
* when setting up the WQ for devcmd2.
*/
vnic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index,
fetch_index, 0, 0);
vnic_wq_enable(&vdev->devcmd2->wq);
err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring,
DEVCMD2_RING_SIZE, DEVCMD2_DESC_SIZE);
if (err)
goto err_free_wq;
vdev->devcmd2->result =
(struct devcmd2_result *) vdev->devcmd2->results_ring.descs;
vdev->devcmd2->cmd_ring =
(struct vnic_devcmd2 *) vdev->devcmd2->wq.ring.descs;
vdev->devcmd2->wq_ctrl = vdev->devcmd2->wq.ctrl;
vdev->args[0] = (u64) vdev->devcmd2->results_ring.base_addr |
VNIC_PADDR_TARGET;
vdev->args[1] = DEVCMD2_RING_SIZE;
err = vnic_dev_cmd2(vdev, CMD_INITIALIZE_DEVCMD2, 1000);
if (err)
goto err_free_desc_ring;
vdev->devcmd_rtn = &vnic_dev_cmd2;
return 0;
err_free_desc_ring:
vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring);
err_free_wq:
vnic_wq_disable(&vdev->devcmd2->wq);
vnic_wq_free(&vdev->devcmd2->wq);
err_free_devcmd2:
kfree(vdev->devcmd2);
vdev->devcmd2 = NULL;
return err;
}
