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; }