C++ (Cpp) vnic_wq_disable Examples

Example #1

File: vnic_wq.c Project: DirtyDroidX/android_kernel_htc_m8ul

int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
	unsigned int desc_count, unsigned int desc_size)
{
	int err;

	wq->index = index;
	wq->vdev = vdev;

	wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
	if (!wq->ctrl) {
		printk(KERN_ERR "Failed to hook WQ[%d] resource\n", index);
		return -EINVAL;
	}

	vnic_wq_disable(wq);

	err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
	if (err)
		return err;

	err = vnic_wq_alloc_bufs(wq);
	if (err) {
		vnic_wq_free(wq);
		return err;
	}

	return 0;
}

Example #2

File: vnic_wq.c Project: ParaStation/psmpi2

int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
	unsigned int desc_count, unsigned int desc_size)
{
	int err;

	wq->index = index;
	wq->vdev = vdev;

	err = vnic_wq_get_ctrl(vdev, wq, index, RES_TYPE_WQ);
	if (err) {
		pr_err("Failed to hook WQ[%d] resource, err %d\n", index, err);
		return err;
	}

	vnic_wq_disable(wq);

	err = vnic_wq_alloc_ring(vdev, wq, desc_count, desc_size);
	if (err)
		return err;

	err = vnic_wq_alloc_bufs(wq);
	if (err) {
		vnic_wq_free(wq);
		return err;
	}

	return 0;
}

Example #3

File: vnic_dev.c Project: 020gzh/linux

static void vnic_dev_deinit_devcmd2(struct vnic_dev *vdev)
{
	vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring);
	vnic_wq_disable(&vdev->devcmd2->wq);
	vnic_wq_free(&vdev->devcmd2->wq);
	kfree(vdev->devcmd2);
}

Example #4

File: vnic_dev.c Project: Anjali05/linux

void vnic_dev_deinit_devcmd2(struct vnic_dev *vdev)
{
	vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring);
	vnic_wq_disable(&vdev->devcmd2->wq);
	vnic_wq_free(&vdev->devcmd2->wq);
	kfree(vdev->devcmd2);
	vdev->devcmd2 = NULL;
	vdev->devcmd_rtn = &vnic_dev_cmd1;
}

Example #5

File: vnic_dev.c Project: a-abraham/libfabric-cray

static void vnic_dev_deinit_devcmd2(struct vnic_dev *vdev)
{
#if !defined(CONFIG_MIPS) && !defined(MGMT_VNIC)
	vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring);
	vnic_wq_disable(&vdev->devcmd2->wq);
	vnic_wq_free(&vdev->devcmd2->wq);
	kfree(vdev->devcmd2);
#endif
}

Example #6

File: fnic_main.c Project: 7799/linux

static int fnic_cleanup(struct fnic *fnic)
{
	unsigned int i;
	int err;

	vnic_dev_disable(fnic->vdev);
	for (i = 0; i < fnic->intr_count; i++)
		vnic_intr_mask(&fnic->intr[i]);

	for (i = 0; i < fnic->rq_count; i++) {
		err = vnic_rq_disable(&fnic->rq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < fnic->raw_wq_count; i++) {
		err = vnic_wq_disable(&fnic->wq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < fnic->wq_copy_count; i++) {
		err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
		if (err)
			return err;
	}

	/* Clean up completed IOs and FCS frames */
	fnic_wq_copy_cmpl_handler(fnic, -1);
	fnic_wq_cmpl_handler(fnic, -1);
	fnic_rq_cmpl_handler(fnic, -1);

	/* Clean up the IOs and FCS frames that have not completed */
	for (i = 0; i < fnic->raw_wq_count; i++)
		vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
	for (i = 0; i < fnic->rq_count; i++)
		vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
	for (i = 0; i < fnic->wq_copy_count; i++)
		vnic_wq_copy_clean(&fnic->wq_copy[i],
				   fnic_wq_copy_cleanup_handler);

	for (i = 0; i < fnic->cq_count; i++)
		vnic_cq_clean(&fnic->cq[i]);
	for (i = 0; i < fnic->intr_count; i++)
		vnic_intr_clean(&fnic->intr[i]);

	mempool_destroy(fnic->io_req_pool);
	for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
		mempool_destroy(fnic->io_sgl_pool[i]);

	return 0;
}

Example #7

static int enic_stop(struct net_device *netdev)
{
	struct enic *enic = netdev_priv(netdev);
	unsigned int i;
	int err;

	del_timer_sync(&enic->notify_timer);

	spin_lock(&enic->devcmd_lock);
	vnic_dev_disable(enic->vdev);
	spin_unlock(&enic->devcmd_lock);
	napi_disable(&enic->napi);
	netif_stop_queue(netdev);

	for (i = 0; i < enic->intr_count; i++)
		vnic_intr_mask(&enic->intr[i]);

	for (i = 0; i < enic->wq_count; i++) {
		err = vnic_wq_disable(&enic->wq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < enic->rq_count; i++) {
		err = vnic_rq_disable(&enic->rq[i]);
		if (err)
			return err;
	}

	spin_lock(&enic->devcmd_lock);
	vnic_dev_notify_unset(enic->vdev);
	spin_unlock(&enic->devcmd_lock);
	enic_free_intr(enic);

	(void)vnic_cq_service(&enic->cq[ENIC_CQ_RQ],
		-1, enic_rq_service_drop, NULL);
	(void)vnic_cq_service(&enic->cq[ENIC_CQ_WQ],
		-1, enic_wq_service, NULL);

	for (i = 0; i < enic->wq_count; i++)
		vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
	for (i = 0; i < enic->rq_count; i++)
		vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
	for (i = 0; i < enic->cq_count; i++)
		vnic_cq_clean(&enic->cq[i]);
	for (i = 0; i < enic->intr_count; i++)
		vnic_intr_clean(&enic->intr[i]);

	return 0;
}

Example #8

File: vnic_wq.c Project: ParaStation/psmpi2

int vnic_wq_devcmd2_alloc(struct vnic_dev *vdev, struct vnic_wq *wq,
	unsigned int desc_count, unsigned int desc_size)
{
	int err;

	wq->index = 0;
	wq->vdev = vdev;

	err = vnic_wq_get_ctrl(vdev, wq, 0, RES_TYPE_DEVCMD2);
	if (err) {
		pr_err("Failed to get devcmd2 resource\n");
		return err;
	}
	vnic_wq_disable(wq);

	err = vnic_wq_alloc_ring(vdev, wq, desc_count, desc_size);
	if (err)
		return err;
	return 0;
}

Example #9

File: enic_main.c Project: donlet/dpdk

int enic_disable(struct enic *enic)
{
	unsigned int i;
	int err;

	vnic_intr_mask(&enic->intr);
	(void)vnic_intr_masked(&enic->intr); /* flush write */

	vnic_dev_disable(enic->vdev);

	enic_clsf_destroy(enic);

	if (!enic_is_sriov_vf(enic))
		vnic_dev_del_addr(enic->vdev, enic->mac_addr);

	for (i = 0; i < enic->wq_count; i++) {
		err = vnic_wq_disable(&enic->wq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < enic->rq_count; i++) {
		err = vnic_rq_disable(&enic->rq[i]);
		if (err)
			return err;
	}

	vnic_dev_set_reset_flag(enic->vdev, 1);
	vnic_dev_notify_unset(enic->vdev);

	for (i = 0; i < enic->wq_count; i++)
		vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);

	for (i = 0; i < enic->rq_count; i++)
		vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
	for (i = 0; i < enic->cq_count; i++)
		vnic_cq_clean(&enic->cq[i]);
	vnic_intr_clean(&enic->intr);

	return 0;
}

Example #10

File: vnic_dev.c Project: Anjali05/linux

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;
}

Example #11

File: enic_main.c Project: zzl133/fastpath

int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
{
	return vnic_wq_disable(&enic->wq[queue_idx]);
}

Example #12

File: vnic_dev.c Project: 020gzh/linux

static 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_KERNEL);
	if (!vdev->devcmd2)
		return -ENOMEM;

	vdev->devcmd2->color = 1;
	vdev->devcmd2->result_size = DEVCMD2_RING_SIZE;
	err = enic_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  */
		vdev_err(vdev, "Fatal error in devcmd2 init - hardware surprise removal\n");

		return -ENODEV;
	}

	enic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index, fetch_index, 0,
			   0);
	vdev->devcmd2->posted = fetch_index;
	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 = vdev->devcmd2->results_ring.descs;
	vdev->devcmd2->cmd_ring = 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;
}

Example #13

File: fnic_main.c Project: AppEngine/linux-2.6

static int fnic_cleanup(struct fnic *fnic)
{
	unsigned int i;
	int err;
	unsigned long flags;
	struct fc_frame *flogi = NULL;
	struct fc_frame *flogi_resp = NULL;

	vnic_dev_disable(fnic->vdev);
	for (i = 0; i < fnic->intr_count; i++)
		vnic_intr_mask(&fnic->intr[i]);

	for (i = 0; i < fnic->rq_count; i++) {
		err = vnic_rq_disable(&fnic->rq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < fnic->raw_wq_count; i++) {
		err = vnic_wq_disable(&fnic->wq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < fnic->wq_copy_count; i++) {
		err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
		if (err)
			return err;
	}

	/* Clean up completed IOs and FCS frames */
	fnic_wq_copy_cmpl_handler(fnic, -1);
	fnic_wq_cmpl_handler(fnic, -1);
	fnic_rq_cmpl_handler(fnic, -1);

	/* Clean up the IOs and FCS frames that have not completed */
	for (i = 0; i < fnic->raw_wq_count; i++)
		vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
	for (i = 0; i < fnic->rq_count; i++)
		vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
	for (i = 0; i < fnic->wq_copy_count; i++)
		vnic_wq_copy_clean(&fnic->wq_copy[i],
				   fnic_wq_copy_cleanup_handler);

	for (i = 0; i < fnic->cq_count; i++)
		vnic_cq_clean(&fnic->cq[i]);
	for (i = 0; i < fnic->intr_count; i++)
		vnic_intr_clean(&fnic->intr[i]);

	/*
	 * Remove cached flogi and flogi resp frames if any
	 * These frames are not in any queue, and therefore queue
	 * cleanup does not clean them. So clean them explicitly
	 */
	spin_lock_irqsave(&fnic->fnic_lock, flags);
	flogi = fnic->flogi;
	fnic->flogi = NULL;
	flogi_resp = fnic->flogi_resp;
	fnic->flogi_resp = NULL;
	spin_unlock_irqrestore(&fnic->fnic_lock, flags);

	if (flogi)
		dev_kfree_skb(fp_skb(flogi));

	if (flogi_resp)
		dev_kfree_skb(fp_skb(flogi_resp));

	mempool_destroy(fnic->io_req_pool);
	for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
		mempool_destroy(fnic->io_sgl_pool[i]);

	return 0;
}

Example #14

static int fnic_cleanup(struct fnic *fnic)
{
	unsigned int i;
	int err;
	unsigned long flags;
	struct fc_frame *flogi = NULL;
	struct fc_frame *flogi_resp = NULL;

	vnic_dev_disable(fnic->vdev);
	for (i = 0; i < fnic->intr_count; i++)
		vnic_intr_mask(&fnic->intr[i]);

	for (i = 0; i < fnic->rq_count; i++) {
		err = vnic_rq_disable(&fnic->rq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < fnic->raw_wq_count; i++) {
		err = vnic_wq_disable(&fnic->wq[i]);
		if (err)
			return err;
	}
	for (i = 0; i < fnic->wq_copy_count; i++) {
		err = vnic_wq_copy_disable(&fnic->wq_copy[i]);
		if (err)
			return err;
	}

	
	fnic_wq_copy_cmpl_handler(fnic, -1);
	fnic_wq_cmpl_handler(fnic, -1);
	fnic_rq_cmpl_handler(fnic, -1);

	
	for (i = 0; i < fnic->raw_wq_count; i++)
		vnic_wq_clean(&fnic->wq[i], fnic_free_wq_buf);
	for (i = 0; i < fnic->rq_count; i++)
		vnic_rq_clean(&fnic->rq[i], fnic_free_rq_buf);
	for (i = 0; i < fnic->wq_copy_count; i++)
		vnic_wq_copy_clean(&fnic->wq_copy[i],
				   fnic_wq_copy_cleanup_handler);

	for (i = 0; i < fnic->cq_count; i++)
		vnic_cq_clean(&fnic->cq[i]);
	for (i = 0; i < fnic->intr_count; i++)
		vnic_intr_clean(&fnic->intr[i]);

	
	spin_lock_irqsave(&fnic->fnic_lock, flags);
	flogi = fnic->flogi;
	fnic->flogi = NULL;
	flogi_resp = fnic->flogi_resp;
	fnic->flogi_resp = NULL;
	spin_unlock_irqrestore(&fnic->fnic_lock, flags);

	if (flogi)
		dev_kfree_skb(fp_skb(flogi));

	if (flogi_resp)
		dev_kfree_skb(fp_skb(flogi_resp));

	mempool_destroy(fnic->io_req_pool);
	for (i = 0; i < FNIC_SGL_NUM_CACHES; i++)
		mempool_destroy(fnic->io_sgl_pool[i]);

	return 0;
}