net: hns3: add interrupt affinity support for misc interrupt
The misc interrupt is used to schedule the reset and mailbox subtask, and service_task delayed_work is used to do periodic management work each second. This patch sets the above three subtask's affinity using the misc interrupt' affinity. Also this patch setups a affinity notify for misc interrupt to allow user to change the above three subtask's affinity. Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com> Signed-off-by: Peng Li <lipeng321@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1270,6 +1270,12 @@ static int hclge_configure(struct hclge_dev *hdev)
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hclge_init_kdump_kernel_config(hdev);
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/* Set the init affinity based on pci func number */
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i = cpumask_weight(cpumask_of_node(dev_to_node(&hdev->pdev->dev)));
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i = i ? PCI_FUNC(hdev->pdev->devfn) % i : 0;
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cpumask_set_cpu(cpumask_local_spread(i, dev_to_node(&hdev->pdev->dev)),
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&hdev->affinity_mask);
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return ret;
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}
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@ -2499,14 +2505,16 @@ static void hclge_mbx_task_schedule(struct hclge_dev *hdev)
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{
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if (!test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state) &&
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!test_and_set_bit(HCLGE_STATE_MBX_SERVICE_SCHED, &hdev->state))
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schedule_work(&hdev->mbx_service_task);
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queue_work_on(cpumask_first(&hdev->affinity_mask), system_wq,
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&hdev->mbx_service_task);
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}
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static void hclge_reset_task_schedule(struct hclge_dev *hdev)
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{
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if (!test_bit(HCLGE_STATE_REMOVING, &hdev->state) &&
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!test_and_set_bit(HCLGE_STATE_RST_SERVICE_SCHED, &hdev->state))
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schedule_work(&hdev->rst_service_task);
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queue_work_on(cpumask_first(&hdev->affinity_mask), system_wq,
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&hdev->rst_service_task);
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}
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static void hclge_task_schedule(struct hclge_dev *hdev)
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@ -2516,8 +2524,9 @@ static void hclge_task_schedule(struct hclge_dev *hdev)
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!test_and_set_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state)) {
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hdev->hw_stats.stats_timer++;
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hdev->fd_arfs_expire_timer++;
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mod_delayed_work(system_wq, &hdev->service_task,
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round_jiffies_relative(HZ));
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mod_delayed_work_on(cpumask_first(&hdev->affinity_mask),
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system_wq, &hdev->service_task,
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round_jiffies_relative(HZ));
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}
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}
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@ -2903,6 +2912,36 @@ static void hclge_get_misc_vector(struct hclge_dev *hdev)
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hdev->num_msi_used += 1;
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}
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static void hclge_irq_affinity_notify(struct irq_affinity_notify *notify,
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const cpumask_t *mask)
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{
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struct hclge_dev *hdev = container_of(notify, struct hclge_dev,
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affinity_notify);
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cpumask_copy(&hdev->affinity_mask, mask);
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}
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static void hclge_irq_affinity_release(struct kref *ref)
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{
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}
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static void hclge_misc_affinity_setup(struct hclge_dev *hdev)
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{
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irq_set_affinity_hint(hdev->misc_vector.vector_irq,
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&hdev->affinity_mask);
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hdev->affinity_notify.notify = hclge_irq_affinity_notify;
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hdev->affinity_notify.release = hclge_irq_affinity_release;
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irq_set_affinity_notifier(hdev->misc_vector.vector_irq,
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&hdev->affinity_notify);
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}
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static void hclge_misc_affinity_teardown(struct hclge_dev *hdev)
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{
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irq_set_affinity_notifier(hdev->misc_vector.vector_irq, NULL);
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irq_set_affinity_hint(hdev->misc_vector.vector_irq, NULL);
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}
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static int hclge_misc_irq_init(struct hclge_dev *hdev)
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{
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int ret;
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@ -8794,6 +8833,11 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev)
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INIT_WORK(&hdev->rst_service_task, hclge_reset_service_task);
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INIT_WORK(&hdev->mbx_service_task, hclge_mailbox_service_task);
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/* Setup affinity after service timer setup because add_timer_on
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* is called in affinity notify.
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*/
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hclge_misc_affinity_setup(hdev);
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hclge_clear_all_event_cause(hdev);
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hclge_clear_resetting_state(hdev);
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@ -8955,6 +8999,7 @@ static void hclge_uninit_ae_dev(struct hnae3_ae_dev *ae_dev)
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struct hclge_dev *hdev = ae_dev->priv;
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struct hclge_mac *mac = &hdev->hw.mac;
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hclge_misc_affinity_teardown(hdev);
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hclge_state_uninit(hdev);
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if (mac->phydev)
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@ -863,6 +863,10 @@ struct hclge_dev {
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DECLARE_KFIFO(mac_tnl_log, struct hclge_mac_tnl_stats,
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HCLGE_MAC_TNL_LOG_SIZE);
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/* affinity mask and notify for misc interrupt */
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cpumask_t affinity_mask;
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struct irq_affinity_notify affinity_notify;
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};
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/* VPort level vlan tag configuration for TX direction */
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